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* nsterm.m (keyDown): If ns_right_alternate_modifier is Qleft, check
[bpt/emacs.git] / src / nsterm.m
1 /* NeXT/Open/GNUstep / MacOSX communication module.
2 Copyright (C) 1989, 1993, 1994, 2005, 2006, 2008, 2009, 2010, 2011
3 Free Software Foundation, Inc.
4
5 This file is part of GNU Emacs.
6
7 GNU Emacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
19
20 /*
21 Originally by Carl Edman
22 Updated by Christian Limpach (chris@nice.ch)
23 OpenStep/Rhapsody port by Scott Bender (sbender@harmony-ds.com)
24 MacOSX/Aqua port by Christophe de Dinechin (descubes@earthlink.net)
25 GNUstep port and post-20 update by Adrian Robert (arobert@cogsci.ucsd.edu)
26 */
27
28 /* This should be the first include, as it may set up #defines affecting
29 interpretation of even the system includes. */
30 #include <config.h>
31
32 #include <math.h>
33 #include <sys/types.h>
34 #include <time.h>
35 #include <signal.h>
36 #include <unistd.h>
37 #include <setjmp.h>
38
39 #include "lisp.h"
40 #include "blockinput.h"
41 #include "sysselect.h"
42 #include "nsterm.h"
43 #include "systime.h"
44 #include "character.h"
45 #include "fontset.h"
46 #include "composite.h"
47 #include "ccl.h"
48
49 #include "termhooks.h"
50 #include "termopts.h"
51 #include "termchar.h"
52
53 #include "window.h"
54 #include "keyboard.h"
55
56 #include "font.h"
57
58 /* call tracing */
59 #if 0
60 int term_trace_num = 0;
61 #define NSTRACE(x) fprintf (stderr, "%s:%d: [%d] " #x "\n", \
62 __FILE__, __LINE__, ++term_trace_num)
63 #else
64 #define NSTRACE(x)
65 #endif
66
67
68 /* ==========================================================================
69
70 Local declarations
71
72 ========================================================================== */
73
74 /* Convert a symbol indexed with an NSxxx value to a value as defined
75 in keyboard.c (lispy_function_key). I hope this is a correct way
76 of doing things... */
77 static unsigned convert_ns_to_X_keysym[] =
78 {
79 NSHomeFunctionKey, 0x50,
80 NSLeftArrowFunctionKey, 0x51,
81 NSUpArrowFunctionKey, 0x52,
82 NSRightArrowFunctionKey, 0x53,
83 NSDownArrowFunctionKey, 0x54,
84 NSPageUpFunctionKey, 0x55,
85 NSPageDownFunctionKey, 0x56,
86 NSEndFunctionKey, 0x57,
87 NSBeginFunctionKey, 0x58,
88 NSSelectFunctionKey, 0x60,
89 NSPrintFunctionKey, 0x61,
90 NSExecuteFunctionKey, 0x62,
91 NSInsertFunctionKey, 0x63,
92 NSUndoFunctionKey, 0x65,
93 NSRedoFunctionKey, 0x66,
94 NSMenuFunctionKey, 0x67,
95 NSFindFunctionKey, 0x68,
96 NSHelpFunctionKey, 0x6A,
97 NSBreakFunctionKey, 0x6B,
98
99 NSF1FunctionKey, 0xBE,
100 NSF2FunctionKey, 0xBF,
101 NSF3FunctionKey, 0xC0,
102 NSF4FunctionKey, 0xC1,
103 NSF5FunctionKey, 0xC2,
104 NSF6FunctionKey, 0xC3,
105 NSF7FunctionKey, 0xC4,
106 NSF8FunctionKey, 0xC5,
107 NSF9FunctionKey, 0xC6,
108 NSF10FunctionKey, 0xC7,
109 NSF11FunctionKey, 0xC8,
110 NSF12FunctionKey, 0xC9,
111 NSF13FunctionKey, 0xCA,
112 NSF14FunctionKey, 0xCB,
113 NSF15FunctionKey, 0xCC,
114 NSF16FunctionKey, 0xCD,
115 NSF17FunctionKey, 0xCE,
116 NSF18FunctionKey, 0xCF,
117 NSF19FunctionKey, 0xD0,
118 NSF20FunctionKey, 0xD1,
119 NSF21FunctionKey, 0xD2,
120 NSF22FunctionKey, 0xD3,
121 NSF23FunctionKey, 0xD4,
122 NSF24FunctionKey, 0xD5,
123
124 NSBackspaceCharacter, 0x08, /* 8: Not on some KBs. */
125 NSDeleteCharacter, 0xFF, /* 127: Big 'delete' key upper right. */
126 NSDeleteFunctionKey, 0x9F, /* 63272: Del forw key off main array. */
127
128 NSTabCharacter, 0x09,
129 0x19, 0x09, /* left tab->regular since pass shift */
130 NSCarriageReturnCharacter, 0x0D,
131 NSNewlineCharacter, 0x0D,
132 NSEnterCharacter, 0x8D,
133
134 0x1B, 0x1B /* escape */
135 };
136
137
138 static Lisp_Object Qmodifier_value;
139 Lisp_Object Qalt, Qcontrol, Qhyper, Qmeta, Qsuper, Qnone;
140 extern Lisp_Object Qcursor_color, Qcursor_type, Qns, Qleft;
141
142 /* On OS X picks up the default NSGlobalDomain AppleAntiAliasingThreshold,
143 the maximum font size to NOT antialias. On GNUstep there is currently
144 no way to control this behavior. */
145 float ns_antialias_threshold;
146
147 /* Used to pick up AppleHighlightColor on OS X */
148 NSString *ns_selection_color;
149
150 NSArray *ns_send_types =0, *ns_return_types =0, *ns_drag_types =0;
151 NSString *ns_app_name = @"Emacs"; /* default changed later */
152
153 /* Display variables */
154 struct ns_display_info *x_display_list; /* Chain of existing displays */
155 Lisp_Object ns_display_name_list;
156 long context_menu_value = 0;
157
158 /* display update */
159 NSPoint last_mouse_motion_position;
160 static NSRect last_mouse_glyph;
161 static unsigned long last_mouse_movement_time = 0;
162 static Lisp_Object last_mouse_motion_frame;
163 static EmacsScroller *last_mouse_scroll_bar = nil;
164 static struct frame *ns_updating_frame;
165 static NSView *focus_view = NULL;
166 static int ns_window_num =0;
167 static NSRect uRect;
168 static BOOL gsaved = NO;
169 BOOL ns_in_resize = NO;
170 static BOOL ns_fake_keydown = NO;
171 int ns_tmp_flags; /* FIXME */
172 struct nsfont_info *ns_tmp_font; /* FIXME */
173 /*static int debug_lock = 0; */
174
175 /* event loop */
176 static BOOL send_appdefined = YES;
177 static NSEvent *last_appdefined_event = 0;
178 static NSTimer *timed_entry = 0;
179 static NSTimer *fd_entry = nil;
180 static NSTimer *scroll_repeat_entry = nil;
181 static fd_set select_readfds, t_readfds;
182 static struct timeval select_timeout;
183 static int select_nfds;
184 static NSAutoreleasePool *outerpool;
185 static struct input_event *emacs_event = NULL;
186 static struct input_event *q_event_ptr = NULL;
187 static int n_emacs_events_pending = 0;
188 static NSMutableArray *ns_pending_files, *ns_pending_service_names,
189 *ns_pending_service_args;
190 static BOOL inNsSelect = 0;
191
192 /* Convert modifiers in a NeXTSTEP event to emacs style modifiers. */
193 #define NS_FUNCTION_KEY_MASK 0x800000
194 #define NSLeftControlKeyMask (0x000001 | NSControlKeyMask)
195 #define NSRightControlKeyMask (0x002000 | NSControlKeyMask)
196 #define NSLeftCommandKeyMask (0x000008 | NSCommandKeyMask)
197 #define NSRightCommandKeyMask (0x000010 | NSCommandKeyMask)
198 #define NSLeftAlternateKeyMask (0x000020 | NSAlternateKeyMask)
199 #define NSRightAlternateKeyMask (0x000040 | NSAlternateKeyMask)
200 #define EV_MODIFIERS(e) \
201 ((([e modifierFlags] & NSHelpKeyMask) ? \
202 hyper_modifier : 0) \
203 | (!EQ (ns_right_alternate_modifier, Qleft) && \
204 (([e modifierFlags] & NSRightAlternateKeyMask) \
205 == NSRightAlternateKeyMask) ? \
206 parse_solitary_modifier (ns_right_alternate_modifier) : 0) \
207 | (([e modifierFlags] & NSAlternateKeyMask) ? \
208 parse_solitary_modifier (ns_alternate_modifier) : 0) \
209 | (([e modifierFlags] & NSShiftKeyMask) ? \
210 shift_modifier : 0) \
211 | (!EQ (ns_right_control_modifier, Qleft) && \
212 (([e modifierFlags] & NSRightControlKeyMask) \
213 == NSRightControlKeyMask) ? \
214 parse_solitary_modifier (ns_right_control_modifier) : 0) \
215 | (([e modifierFlags] & NSControlKeyMask) ? \
216 parse_solitary_modifier (ns_control_modifier) : 0) \
217 | (([e modifierFlags] & NS_FUNCTION_KEY_MASK) ? \
218 parse_solitary_modifier (ns_function_modifier) : 0) \
219 | (!EQ (ns_right_command_modifier, Qleft) && \
220 (([e modifierFlags] & NSRightCommandKeyMask) \
221 == NSRightCommandKeyMask) ? \
222 parse_solitary_modifier (ns_right_command_modifier) : 0) \
223 | (([e modifierFlags] & NSCommandKeyMask) ? \
224 parse_solitary_modifier (ns_command_modifier):0))
225
226 #define EV_UDMODIFIERS(e) \
227 ((([e type] == NSLeftMouseDown) ? down_modifier : 0) \
228 | (([e type] == NSRightMouseDown) ? down_modifier : 0) \
229 | (([e type] == NSOtherMouseDown) ? down_modifier : 0) \
230 | (([e type] == NSLeftMouseDragged) ? down_modifier : 0) \
231 | (([e type] == NSRightMouseDragged) ? down_modifier : 0) \
232 | (([e type] == NSOtherMouseDragged) ? down_modifier : 0) \
233 | (([e type] == NSLeftMouseUp) ? up_modifier : 0) \
234 | (([e type] == NSRightMouseUp) ? up_modifier : 0) \
235 | (([e type] == NSOtherMouseUp) ? up_modifier : 0))
236
237 #define EV_BUTTON(e) \
238 ((([e type] == NSLeftMouseDown) || ([e type] == NSLeftMouseUp)) ? 0 : \
239 (([e type] == NSRightMouseDown) || ([e type] == NSRightMouseUp)) ? 2 : \
240 [e buttonNumber] - 1)
241
242 /* Convert the time field to a timestamp in milliseconds. */
243 #define EV_TIMESTAMP(e) ([e timestamp] * 1000)
244
245 /* This is a piece of code which is common to all the event handling
246 methods. Maybe it should even be a function. */
247 #define EV_TRAILER(e) \
248 { \
249 XSETFRAME (emacs_event->frame_or_window, emacsframe); \
250 if (e) emacs_event->timestamp = EV_TIMESTAMP (e); \
251 n_emacs_events_pending++; \
252 kbd_buffer_store_event_hold (emacs_event, q_event_ptr); \
253 EVENT_INIT (*emacs_event); \
254 ns_send_appdefined (-1); \
255 }
256
257 void x_set_cursor_type (struct frame *, Lisp_Object, Lisp_Object);
258
259 /* TODO: get rid of need for these forward declarations */
260 static void ns_condemn_scroll_bars (struct frame *f);
261 static void ns_judge_scroll_bars (struct frame *f);
262 void x_set_frame_alpha (struct frame *f);
263
264 /* FIXME: figure out what to do with underline_minimum_offset. */
265
266
267 /* ==========================================================================
268
269 Utilities
270
271 ========================================================================== */
272
273
274 static Lisp_Object
275 append2 (Lisp_Object list, Lisp_Object item)
276 /* --------------------------------------------------------------------------
277 Utility to append to a list
278 -------------------------------------------------------------------------- */
279 {
280 Lisp_Object array[2];
281 array[0] = list;
282 array[1] = Fcons (item, Qnil);
283 return Fnconc (2, &array[0]);
284 }
285
286
287 void
288 ns_init_paths (void)
289 /* --------------------------------------------------------------------------
290 Used to allow emacs to find its resources under Emacs.app
291 Called from emacs.c at startup.
292 -------------------------------------------------------------------------- */
293 {
294 NSBundle *bundle = [NSBundle mainBundle];
295 NSString *binDir = [bundle bundlePath], *resourceDir = [bundle resourcePath];
296 NSString *resourcePath, *resourcePaths;
297 NSRange range;
298 BOOL onWindows = NO; /* how do I determine this? */
299 NSString *pathSeparator = onWindows ? @";" : @":";
300 NSFileManager *fileManager = [NSFileManager defaultManager];
301 BOOL isDir;
302 /*NSLog (@"ns_init_paths: '%@'\n%@\n", [[NSBundle mainBundle] bundlePath], [[NSBundle mainBundle] resourcePath]); */
303
304 /* get bindir from base */
305 range = [resourceDir rangeOfString: @"Contents"];
306 if (range.location != NSNotFound)
307 {
308 binDir = [binDir stringByAppendingPathComponent: @"Contents"];
309 #ifdef NS_IMPL_COCOA
310 binDir = [binDir stringByAppendingPathComponent: @"MacOS"];
311 #endif
312 }
313
314 /* the following based on Andrew Choi's init_mac_osx_environment () */
315 if (!getenv ("EMACSLOADPATH"))
316 {
317 NSArray *paths = [resourceDir stringsByAppendingPaths:
318 [NSArray arrayWithObjects:
319 @"site-lisp", @"lisp", @"leim", nil]];
320 NSEnumerator *pathEnum = [paths objectEnumerator];
321 resourcePaths = @"";
322 while (resourcePath = [pathEnum nextObject])
323 {
324 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
325 if (isDir)
326 {
327 if ([resourcePaths length] > 0)
328 resourcePaths
329 = [resourcePaths stringByAppendingString: pathSeparator];
330 resourcePaths
331 = [resourcePaths stringByAppendingString: resourcePath];
332 }
333 }
334 if ([resourcePaths length] > 0)
335 setenv ("EMACSLOADPATH", [resourcePaths UTF8String], 1);
336 /*NSLog (@"loadPath: '%@'\n", resourcePaths); */
337 }
338
339 if (!getenv ("EMACSPATH"))
340 {
341 NSArray *paths = [binDir stringsByAppendingPaths:
342 [NSArray arrayWithObjects: @"bin",
343 @"lib-exec", nil]];
344 NSEnumerator *pathEnum = [paths objectEnumerator];
345 resourcePaths = @"";
346 while (resourcePath = [pathEnum nextObject])
347 {
348 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
349 if (isDir)
350 {
351 if ([resourcePaths length] > 0)
352 resourcePaths
353 = [resourcePaths stringByAppendingString: pathSeparator];
354 resourcePaths
355 = [resourcePaths stringByAppendingString: resourcePath];
356 }
357 }
358 if ([resourcePaths length] > 0)
359 setenv ("EMACSPATH", [resourcePaths UTF8String], 1);
360 }
361
362 resourcePath = [resourceDir stringByAppendingPathComponent: @"etc"];
363 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
364 {
365 if (isDir)
366 {
367 if (!getenv ("EMACSDATA"))
368 setenv ("EMACSDATA", [resourcePath UTF8String], 1);
369 if (!getenv ("EMACSDOC"))
370 setenv ("EMACSDOC", [resourcePath UTF8String], 1);
371 }
372 }
373
374 if (!getenv ("INFOPATH"))
375 {
376 resourcePath = [resourceDir stringByAppendingPathComponent: @"info"];
377 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
378 if (isDir)
379 setenv ("INFOPATH", [[resourcePath stringByAppendingString: @":"]
380 UTF8String], 1);
381 /* Note, extra colon needed to cause merge w/later user additions. */
382 }
383 }
384
385
386 static int
387 timeval_subtract (struct timeval *result, struct timeval x, struct timeval y)
388 /* --------------------------------------------------------------------------
389 Subtract the `struct timeval' values X and Y, storing the result in RESULT.
390 Return 1 if the difference is negative, otherwise 0.
391 -------------------------------------------------------------------------- */
392 {
393 /* Perform the carry for the later subtraction by updating y.
394 This is safer because on some systems
395 the tv_sec member is unsigned. */
396 if (x.tv_usec < y.tv_usec)
397 {
398 int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1;
399 y.tv_usec -= 1000000 * nsec;
400 y.tv_sec += nsec;
401 }
402 if (x.tv_usec - y.tv_usec > 1000000)
403 {
404 int nsec = (y.tv_usec - x.tv_usec) / 1000000;
405 y.tv_usec += 1000000 * nsec;
406 y.tv_sec -= nsec;
407 }
408
409 /* Compute the time remaining to wait. tv_usec is certainly positive. */
410 result->tv_sec = x.tv_sec - y.tv_sec;
411 result->tv_usec = x.tv_usec - y.tv_usec;
412
413 /* Return indication of whether the result should be considered negative. */
414 return x.tv_sec < y.tv_sec;
415 }
416
417 static void
418 ns_timeout (int usecs)
419 /* --------------------------------------------------------------------------
420 Blocking timer utility used by ns_ring_bell
421 -------------------------------------------------------------------------- */
422 {
423 struct timeval wakeup;
424
425 EMACS_GET_TIME (wakeup);
426
427 /* Compute time to wait until, propagating carry from usecs. */
428 wakeup.tv_usec += usecs;
429 wakeup.tv_sec += (wakeup.tv_usec / 1000000);
430 wakeup.tv_usec %= 1000000;
431
432 /* Keep waiting until past the time wakeup. */
433 while (1)
434 {
435 struct timeval timeout;
436
437 EMACS_GET_TIME (timeout);
438
439 /* In effect, timeout = wakeup - timeout.
440 Break if result would be negative. */
441 if (timeval_subtract (&timeout, wakeup, timeout))
442 break;
443
444 /* Try to wait that long--but we might wake up sooner. */
445 select (0, NULL, NULL, NULL, &timeout);
446 }
447 }
448
449
450 void
451 ns_release_object (void *obj)
452 /* --------------------------------------------------------------------------
453 Release an object (callable from C)
454 -------------------------------------------------------------------------- */
455 {
456 [(id)obj release];
457 }
458
459
460 void
461 ns_retain_object (void *obj)
462 /* --------------------------------------------------------------------------
463 Retain an object (callable from C)
464 -------------------------------------------------------------------------- */
465 {
466 [(id)obj retain];
467 }
468
469
470 void *
471 ns_alloc_autorelease_pool (void)
472 /* --------------------------------------------------------------------------
473 Allocate a pool for temporary objects (callable from C)
474 -------------------------------------------------------------------------- */
475 {
476 return [[NSAutoreleasePool alloc] init];
477 }
478
479
480 void
481 ns_release_autorelease_pool (void *pool)
482 /* --------------------------------------------------------------------------
483 Free a pool and temporary objects it refers to (callable from C)
484 -------------------------------------------------------------------------- */
485 {
486 ns_release_object (pool);
487 }
488
489
490
491 /* ==========================================================================
492
493 Focus (clipping) and screen update
494
495 ========================================================================== */
496
497 static NSRect
498 ns_resize_handle_rect (NSWindow *window)
499 {
500 NSRect r = [window frame];
501 r.origin.x = r.size.width - RESIZE_HANDLE_SIZE;
502 r.origin.y = 0;
503 r.size.width = r.size.height = RESIZE_HANDLE_SIZE;
504 return r;
505 }
506
507
508 static void
509 ns_update_begin (struct frame *f)
510 /* --------------------------------------------------------------------------
511 Prepare for a grouped sequence of drawing calls
512 external (RIF) call; whole frame, called before update_window_begin
513 -------------------------------------------------------------------------- */
514 {
515 NSView *view = FRAME_NS_VIEW (f);
516 NSTRACE (ns_update_begin);
517
518 ns_updating_frame = f;
519 [view lockFocus];
520
521 #ifdef NS_IMPL_GNUSTEP
522 uRect = NSMakeRect (0, 0, 0, 0);
523 #endif
524 }
525
526
527 static void
528 ns_update_window_begin (struct window *w)
529 /* --------------------------------------------------------------------------
530 Prepare for a grouped sequence of drawing calls
531 external (RIF) call; for one window, called after update_begin
532 -------------------------------------------------------------------------- */
533 {
534 struct frame *f = XFRAME (WINDOW_FRAME (w));
535 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
536 NSTRACE (ns_update_window_begin);
537
538 updated_window = w;
539 set_output_cursor (&w->cursor);
540
541 BLOCK_INPUT;
542
543 if (f == hlinfo->mouse_face_mouse_frame)
544 {
545 /* Don't do highlighting for mouse motion during the update. */
546 hlinfo->mouse_face_defer = 1;
547
548 /* If the frame needs to be redrawn,
549 simply forget about any prior mouse highlighting. */
550 if (FRAME_GARBAGED_P (f))
551 hlinfo->mouse_face_window = Qnil;
552
553 /* (further code for mouse faces ifdef'd out in other terms elided) */
554 }
555
556 UNBLOCK_INPUT;
557 }
558
559
560 static void
561 ns_update_window_end (struct window *w, int cursor_on_p,
562 int mouse_face_overwritten_p)
563 /* --------------------------------------------------------------------------
564 Finished a grouped sequence of drawing calls
565 external (RIF) call; for one window called before update_end
566 -------------------------------------------------------------------------- */
567 {
568 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (XFRAME (w->frame));
569
570 /* note: this fn is nearly identical in all terms */
571 if (!w->pseudo_window_p)
572 {
573 BLOCK_INPUT;
574
575 if (cursor_on_p)
576 display_and_set_cursor (w, 1,
577 output_cursor.hpos, output_cursor.vpos,
578 output_cursor.x, output_cursor.y);
579
580 if (draw_window_fringes (w, 1))
581 x_draw_vertical_border (w);
582
583 UNBLOCK_INPUT;
584 }
585
586 /* If a row with mouse-face was overwritten, arrange for
587 frame_up_to_date to redisplay the mouse highlight. */
588 if (mouse_face_overwritten_p)
589 {
590 hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1;
591 hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1;
592 hlinfo->mouse_face_window = Qnil;
593 }
594
595 updated_window = NULL;
596 NSTRACE (update_window_end);
597 }
598
599
600 static void
601 ns_update_end (struct frame *f)
602 /* --------------------------------------------------------------------------
603 Finished a grouped sequence of drawing calls
604 external (RIF) call; for whole frame, called after update_window_end
605 -------------------------------------------------------------------------- */
606 {
607 NSView *view = FRAME_NS_VIEW (f);
608
609 /* if (f == MOUSE_HL_INFO (f)->mouse_face_mouse_frame) */
610 MOUSE_HL_INFO (f)->mouse_face_defer = 0;
611
612 BLOCK_INPUT;
613
614 #ifdef NS_IMPL_GNUSTEP
615 /* trigger flush only in the rectangle we tracked as being drawn */
616 [view unlockFocusNeedsFlush: NO];
617 /*fprintf (stderr, " (%.0f, %.0f : %.0f x %.0f)", uRect.origin.x, uRect.origin.y, uRect.size.width, uRect.size.height); */
618 [view lockFocusInRect: uRect];
619 #endif
620
621 [view unlockFocus];
622 [[view window] flushWindow];
623
624 UNBLOCK_INPUT;
625 ns_updating_frame = NULL;
626 NSTRACE (ns_update_end);
627 }
628
629
630 static void
631 ns_flush (struct frame *f)
632 /* --------------------------------------------------------------------------
633 external (RIF) call
634 NS impl is no-op since currently we flush in ns_update_end and elsewhere
635 -------------------------------------------------------------------------- */
636 {
637 NSTRACE (ns_flush);
638 }
639
640
641 static void
642 ns_focus (struct frame *f, NSRect *r, int n)
643 /* --------------------------------------------------------------------------
644 Internal: Focus on given frame. During small local updates this is used to
645 draw, however during large updates, ns_update_begin and ns_update_end are
646 called to wrap the whole thing, in which case these calls are stubbed out.
647 Except, on GNUstep, we accumulate the rectangle being drawn into, because
648 the back end won't do this automatically, and will just end up flushing
649 the entire window.
650 -------------------------------------------------------------------------- */
651 {
652 // NSTRACE (ns_focus);
653 #ifdef NS_IMPL_GNUSTEP
654 NSRect u;
655 if (n == 2)
656 u = NSUnionRect (r[0], r[1]);
657 else if (r)
658 u = *r;
659 #endif
660 /* static int c =0;
661 fprintf (stderr, "focus: %d", c++);
662 if (r) fprintf (stderr, " (%.0f, %.0f : %.0f x %.0f)", r->origin.x, r->origin.y, r->size.width, r->size.height);
663 fprintf (stderr, "\n"); */
664
665 if (f != ns_updating_frame)
666 {
667 NSView *view = FRAME_NS_VIEW (f);
668 if (view != focus_view)
669 {
670 if (focus_view != NULL)
671 {
672 [focus_view unlockFocus];
673 [[focus_view window] flushWindow];
674 /*debug_lock--; */
675 }
676
677 if (view)
678 #ifdef NS_IMPL_GNUSTEP
679 r ? [view lockFocusInRect: u] : [view lockFocus];
680 #else
681 [view lockFocus];
682 #endif
683 focus_view = view;
684 /*if (view) debug_lock++; */
685 }
686 #ifdef NS_IMPL_GNUSTEP
687 else
688 {
689 /* more than one rect being drawn into */
690 if (view && r)
691 {
692 [view unlockFocus]; /* add prev rect to redraw list */
693 [view lockFocusInRect: u]; /* focus for draw in new rect */
694 }
695 }
696 #endif
697 }
698 #ifdef NS_IMPL_GNUSTEP
699 else
700 {
701 /* in batch mode, but in GNUstep must still track rectangles explicitly */
702 uRect = (r ? NSUnionRect (uRect, u) : [FRAME_NS_VIEW (f) visibleRect]);
703 }
704 #endif
705
706 /* clipping */
707 if (r)
708 {
709 [[NSGraphicsContext currentContext] saveGraphicsState];
710 if (n == 2)
711 NSRectClipList (r, 2);
712 else
713 NSRectClip (*r);
714 gsaved = YES;
715 }
716 }
717
718
719 static void
720 ns_unfocus (struct frame *f)
721 /* --------------------------------------------------------------------------
722 Internal: Remove focus on given frame
723 -------------------------------------------------------------------------- */
724 {
725 // NSTRACE (ns_unfocus);
726
727 if (gsaved)
728 {
729 [[NSGraphicsContext currentContext] restoreGraphicsState];
730 gsaved = NO;
731 }
732
733 if (f != ns_updating_frame)
734 {
735 if (focus_view != NULL)
736 {
737 [focus_view unlockFocus];
738 [[focus_view window] flushWindow];
739 focus_view = NULL;
740 /*debug_lock--; */
741 }
742 }
743 }
744
745
746 static void
747 ns_clip_to_row (struct window *w, struct glyph_row *row, int area, BOOL gc)
748 /* --------------------------------------------------------------------------
749 Internal (but parallels other terms): Focus drawing on given row
750 -------------------------------------------------------------------------- */
751 {
752 struct frame *f = XFRAME (WINDOW_FRAME (w));
753 NSRect clip_rect;
754 int window_x, window_y, window_width;
755
756 window_box (w, area, &window_x, &window_y, &window_width, 0);
757
758 clip_rect.origin.x = window_x - FRAME_INTERNAL_BORDER_WIDTH (f);
759 clip_rect.origin.y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, row->y));
760 clip_rect.origin.y = max (clip_rect.origin.y, window_y);
761 clip_rect.size.width = window_width + 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
762 clip_rect.size.height = row->visible_height;
763
764 /* allow a full-height row at the top when requested
765 (used to draw fringe all the way through internal border area) */
766 if (gc && clip_rect.origin.y < 5)
767 {
768 clip_rect.origin.y -= FRAME_INTERNAL_BORDER_WIDTH (f);
769 clip_rect.size.height += FRAME_INTERNAL_BORDER_WIDTH (f);
770 }
771
772 /* likewise at bottom */
773 if (gc &&
774 FRAME_PIXEL_HEIGHT (f) - (clip_rect.origin.y + clip_rect.size.height) < 5)
775 clip_rect.size.height += FRAME_INTERNAL_BORDER_WIDTH (f);
776
777 ns_focus (f, &clip_rect, 1);
778 }
779
780
781 static void
782 ns_ring_bell (struct frame *f)
783 /* --------------------------------------------------------------------------
784 "Beep" routine
785 -------------------------------------------------------------------------- */
786 {
787 NSTRACE (ns_ring_bell);
788 if (visible_bell)
789 {
790 NSAutoreleasePool *pool;
791 struct frame *frame = SELECTED_FRAME ();
792 NSView *view;
793
794 BLOCK_INPUT;
795 pool = [[NSAutoreleasePool alloc] init];
796
797 view = FRAME_NS_VIEW (frame);
798 if (view != nil)
799 {
800 NSRect r, surr;
801 NSPoint dim = NSMakePoint (128, 128);
802
803 r = [view bounds];
804 r.origin.x += (r.size.width - dim.x) / 2;
805 r.origin.y += (r.size.height - dim.y) / 2;
806 r.size.width = dim.x;
807 r.size.height = dim.y;
808 surr = NSInsetRect (r, -2, -2);
809 ns_focus (frame, &surr, 1);
810 [[view window] cacheImageInRect: [view convertRect: surr toView:nil]];
811 [ns_lookup_indexed_color (NS_FACE_FOREGROUND
812 (FRAME_DEFAULT_FACE (frame)), frame) set];
813 NSRectFill (r);
814 [[view window] flushWindow];
815 ns_timeout (150000);
816 [[view window] restoreCachedImage];
817 [[view window] flushWindow];
818 ns_unfocus (frame);
819 }
820 [pool release];
821 UNBLOCK_INPUT;
822 }
823 else
824 {
825 NSBeep ();
826 }
827 }
828
829
830 static void
831 ns_reset_terminal_modes (struct terminal *terminal)
832 /* Externally called as hook */
833 {
834 NSTRACE (ns_reset_terminal_modes);
835 }
836
837
838 static void
839 ns_set_terminal_modes (struct terminal *terminal)
840 /* Externally called as hook */
841 {
842 NSTRACE (ns_set_terminal_modes);
843 }
844
845
846
847 /* ==========================================================================
848
849 Frame / window manager related functions
850
851 ========================================================================== */
852
853
854 static void
855 ns_raise_frame (struct frame *f)
856 /* --------------------------------------------------------------------------
857 Bring window to foreground and make it active
858 -------------------------------------------------------------------------- */
859 {
860 NSView *view = FRAME_NS_VIEW (f);
861 check_ns ();
862 BLOCK_INPUT;
863 FRAME_SAMPLE_VISIBILITY (f);
864 if (FRAME_VISIBLE_P (f))
865 {
866 [[view window] makeKeyAndOrderFront: NSApp];
867 }
868 UNBLOCK_INPUT;
869 }
870
871
872 static void
873 ns_lower_frame (struct frame *f)
874 /* --------------------------------------------------------------------------
875 Send window to back
876 -------------------------------------------------------------------------- */
877 {
878 NSView *view = FRAME_NS_VIEW (f);
879 check_ns ();
880 BLOCK_INPUT;
881 [[view window] orderBack: NSApp];
882 UNBLOCK_INPUT;
883 }
884
885
886 static void
887 ns_frame_raise_lower (struct frame *f, int raise)
888 /* --------------------------------------------------------------------------
889 External (hook)
890 -------------------------------------------------------------------------- */
891 {
892 NSTRACE (ns_frame_raise_lower);
893
894 if (raise)
895 ns_raise_frame (f);
896 else
897 ns_lower_frame (f);
898 }
899
900
901 static void
902 ns_frame_rehighlight (struct frame *frame)
903 /* --------------------------------------------------------------------------
904 External (hook): called on things like window switching within frame
905 -------------------------------------------------------------------------- */
906 {
907 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (frame);
908 struct frame *old_highlight = dpyinfo->x_highlight_frame;
909
910 NSTRACE (ns_frame_rehighlight);
911 if (dpyinfo->x_focus_frame)
912 {
913 dpyinfo->x_highlight_frame
914 = (FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
915 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
916 : dpyinfo->x_focus_frame);
917 if (!FRAME_LIVE_P (dpyinfo->x_highlight_frame))
918 {
919 FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil;
920 dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame;
921 }
922 }
923 else
924 dpyinfo->x_highlight_frame = 0;
925
926 if (dpyinfo->x_highlight_frame &&
927 dpyinfo->x_highlight_frame != old_highlight)
928 {
929 if (old_highlight)
930 {
931 x_update_cursor (old_highlight, 1);
932 x_set_frame_alpha (old_highlight);
933 }
934 if (dpyinfo->x_highlight_frame)
935 {
936 x_update_cursor (dpyinfo->x_highlight_frame, 1);
937 x_set_frame_alpha (dpyinfo->x_highlight_frame);
938 }
939 }
940 }
941
942
943 void
944 x_make_frame_visible (struct frame *f)
945 /* --------------------------------------------------------------------------
946 External: Show the window (X11 semantics)
947 -------------------------------------------------------------------------- */
948 {
949 NSTRACE (x_make_frame_visible);
950 /* XXX: at some points in past this was not needed, as the only place that
951 called this (frame.c:Fraise_frame ()) also called raise_lower;
952 if this ends up the case again, comment this out again. */
953 if (!FRAME_VISIBLE_P (f))
954 {
955 f->async_visible = 1;
956 ns_raise_frame (f);
957 }
958 }
959
960
961 void
962 x_make_frame_invisible (struct frame *f)
963 /* --------------------------------------------------------------------------
964 External: Hide the window (X11 semantics)
965 -------------------------------------------------------------------------- */
966 {
967 NSView * view = FRAME_NS_VIEW (f);
968 NSTRACE (x_make_frame_invisible);
969 check_ns ();
970 [[view window] orderOut: NSApp];
971 f->async_visible = 0;
972 f->async_iconified = 0;
973 }
974
975
976 void
977 x_iconify_frame (struct frame *f)
978 /* --------------------------------------------------------------------------
979 External: Iconify window
980 -------------------------------------------------------------------------- */
981 {
982 NSView * view = FRAME_NS_VIEW (f);
983 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
984 NSTRACE (x_iconify_frame);
985 check_ns ();
986
987 if (dpyinfo->x_highlight_frame == f)
988 dpyinfo->x_highlight_frame = 0;
989
990 if ([[view window] windowNumber] <= 0)
991 {
992 /* the window is still deferred. Make it very small, bring it
993 on screen and order it out. */
994 NSRect s = { { 100, 100}, {0, 0} };
995 NSRect t;
996 t = [[view window] frame];
997 [[view window] setFrame: s display: NO];
998 [[view window] orderBack: NSApp];
999 [[view window] orderOut: NSApp];
1000 [[view window] setFrame: t display: NO];
1001 }
1002 [[view window] miniaturize: NSApp];
1003 }
1004
1005
1006 void
1007 x_destroy_window (struct frame *f)
1008 /* --------------------------------------------------------------------------
1009 External: Delete the window
1010 -------------------------------------------------------------------------- */
1011 {
1012 NSView *view = FRAME_NS_VIEW (f);
1013 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
1014 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
1015 NSTRACE (x_destroy_window);
1016 check_ns ();
1017
1018 [(EmacsView *)view setWindowClosing: YES]; /* may not have been informed */
1019
1020 BLOCK_INPUT;
1021
1022 free_frame_menubar (f);
1023
1024 if (FRAME_FACE_CACHE (f))
1025 free_frame_faces (f);
1026
1027 if (f == dpyinfo->x_focus_frame)
1028 dpyinfo->x_focus_frame = 0;
1029 if (f == dpyinfo->x_highlight_frame)
1030 dpyinfo->x_highlight_frame = 0;
1031 if (f == hlinfo->mouse_face_mouse_frame)
1032 {
1033 hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1;
1034 hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1;
1035 hlinfo->mouse_face_window = Qnil;
1036 hlinfo->mouse_face_deferred_gc = 0;
1037 hlinfo->mouse_face_mouse_frame = 0;
1038 }
1039
1040 xfree (f->output_data.ns);
1041
1042 [[view window] close];
1043 [view release];
1044
1045 ns_window_num--;
1046 UNBLOCK_INPUT;
1047 }
1048
1049
1050 void
1051 x_set_offset (struct frame *f, int xoff, int yoff, int change_grav)
1052 /* --------------------------------------------------------------------------
1053 External: Position the window
1054 -------------------------------------------------------------------------- */
1055 {
1056 NSScreen *screen;
1057 NSView *view = FRAME_NS_VIEW (f);
1058
1059 NSTRACE (x_set_offset);
1060
1061 BLOCK_INPUT;
1062
1063 f->left_pos = xoff;
1064 f->top_pos = yoff;
1065
1066 if (view != nil && (screen = [[view window] screen]))
1067 {
1068 f->left_pos = f->size_hint_flags & XNegative
1069 ? [screen visibleFrame].size.width + f->left_pos - FRAME_PIXEL_WIDTH (f)
1070 : f->left_pos;
1071 /* We use visibleFrame here to take menu bar into account.
1072 Ideally we should also adjust left/top with visibleFrame.offset. */
1073
1074 f->top_pos = f->size_hint_flags & YNegative
1075 ? ([screen visibleFrame].size.height + f->top_pos
1076 - FRAME_PIXEL_HEIGHT (f) - FRAME_NS_TITLEBAR_HEIGHT (f)
1077 - FRAME_TOOLBAR_HEIGHT (f))
1078 : f->top_pos;
1079 #ifdef NS_IMPL_GNUSTEP
1080 if (f->left_pos < 100)
1081 f->left_pos = 100; /* don't overlap menu */
1082 #endif
1083 [[view window] setFrameTopLeftPoint:
1084 NSMakePoint (SCREENMAXBOUND (f->left_pos),
1085 SCREENMAXBOUND ([screen frame].size.height
1086 - NS_TOP_POS (f)))];
1087 f->size_hint_flags &= ~(XNegative|YNegative);
1088 }
1089
1090 UNBLOCK_INPUT;
1091 }
1092
1093
1094 void
1095 x_set_window_size (struct frame *f, int change_grav, int cols, int rows)
1096 /* --------------------------------------------------------------------------
1097 Adjust window pixel size based on given character grid size
1098 Impl is a bit more complex than other terms, need to do some
1099 internal clipping and also pay attention to screen constraints.
1100 -------------------------------------------------------------------------- */
1101 {
1102 EmacsView *view = FRAME_NS_VIEW (f);
1103 EmacsToolbar *toolbar = [view toolbar];
1104 NSWindow *window = [view window];
1105 NSScreen *screen = [window screen];
1106 NSRect wr = [window frame];
1107 int tb = FRAME_EXTERNAL_TOOL_BAR (f);
1108 int pixelwidth, pixelheight;
1109 static int oldRows, oldCols, oldFontWidth, oldFontHeight;
1110 static int oldTB;
1111 static struct frame *oldF;
1112
1113 NSTRACE (x_set_window_size);
1114
1115 if (view == nil ||
1116 (f == oldF
1117 && rows == oldRows && cols == oldCols
1118 && oldFontWidth == FRAME_COLUMN_WIDTH (f)
1119 && oldFontHeight == FRAME_LINE_HEIGHT (f)
1120 && oldTB == tb))
1121 return;
1122
1123 /*fprintf (stderr, "\tsetWindowSize: %d x %d, font size %d x %d\n", cols, rows, FRAME_COLUMN_WIDTH (f), FRAME_LINE_HEIGHT (f)); */
1124
1125 BLOCK_INPUT;
1126
1127 check_frame_size (f, &rows, &cols);
1128 oldF = f;
1129 oldRows = rows;
1130 oldCols = cols;
1131 oldFontWidth = FRAME_COLUMN_WIDTH (f);
1132 oldFontHeight = FRAME_LINE_HEIGHT (f);
1133 oldTB = tb;
1134
1135 f->scroll_bar_actual_width = NS_SCROLL_BAR_WIDTH (f);
1136 compute_fringe_widths (f, 0);
1137
1138 pixelwidth = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, cols);
1139 pixelheight = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, rows);
1140
1141 /* If we have a toolbar, take its height into account. */
1142 if (tb)
1143 /* NOTE: previously this would generate wrong result if toolbar not
1144 yet displayed and fixing toolbar_height=32 helped, but
1145 now (200903) seems no longer needed */
1146 FRAME_TOOLBAR_HEIGHT (f) =
1147 NSHeight ([window frameRectForContentRect: NSMakeRect (0, 0, 0, 0)])
1148 - FRAME_NS_TITLEBAR_HEIGHT (f);
1149 else
1150 FRAME_TOOLBAR_HEIGHT (f) = 0;
1151
1152 wr.size.width = pixelwidth + f->border_width;
1153 wr.size.height = pixelheight + FRAME_NS_TITLEBAR_HEIGHT (f)
1154 + FRAME_TOOLBAR_HEIGHT (f);
1155
1156 /* constrain to screen if we can */
1157 if (screen)
1158 {
1159 NSSize sz = [screen visibleFrame].size;
1160 NSSize ez = { wr.size.width - sz.width, wr.size.height - sz.height };
1161 if (ez.width > 0)
1162 {
1163 int cr = ez.width / FRAME_COLUMN_WIDTH (f) + 1;
1164 cols -= cr;
1165 oldCols = cols;
1166 wr.size.width -= cr * FRAME_COLUMN_WIDTH (f);
1167 pixelwidth -= cr * FRAME_COLUMN_WIDTH (f);
1168 }
1169 if (ez.height > 0)
1170 {
1171 int rr = ez.height / FRAME_LINE_HEIGHT (f) + 1;
1172 rows -= rr;
1173 oldRows = rows;
1174 wr.size.height -= rr * FRAME_LINE_HEIGHT (f);
1175 pixelheight -= rr * FRAME_LINE_HEIGHT (f);
1176 }
1177 wr.origin.x = f->left_pos;
1178 wr.origin.y = [screen frame].size.height - NS_TOP_POS (f)
1179 - wr.size.height;
1180 }
1181
1182 [view setRows: rows andColumns: cols];
1183 [window setFrame: wr display: YES];
1184
1185 /*fprintf (stderr, "\tx_set_window_size %d, %d\t%d, %d\n", cols, rows, pixelwidth, pixelheight); */
1186
1187 /* This is a trick to compensate for Emacs' managing the scrollbar area
1188 as a fixed number of standard character columns. Instead of leaving
1189 blank space for the extra, we chopped it off above. Now for
1190 left-hand scrollbars, we shift all rendering to the left by the
1191 difference between the real width and Emacs' imagined one. For
1192 right-hand bars, don't worry about it since the extra is never used.
1193 (Obviously doesn't work for vertically split windows tho..) */
1194 {
1195 NSPoint origin = FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)
1196 ? NSMakePoint (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f)
1197 - NS_SCROLL_BAR_WIDTH (f), 0)
1198 : NSMakePoint (0, 0);
1199 [view setFrame: NSMakeRect (0, 0, pixelwidth, pixelheight)];
1200 [view setBoundsOrigin: origin];
1201 }
1202
1203 change_frame_size (f, rows, cols, 0, 1, 0); /* pretend, delay, safe */
1204 FRAME_PIXEL_WIDTH (f) = pixelwidth;
1205 FRAME_PIXEL_HEIGHT (f) = pixelheight;
1206 /* SET_FRAME_GARBAGED (f); // this short-circuits expose call in drawRect */
1207
1208 mark_window_cursors_off (XWINDOW (f->root_window));
1209 cancel_mouse_face (f);
1210
1211 UNBLOCK_INPUT;
1212 }
1213
1214
1215
1216 /* ==========================================================================
1217
1218 Color management
1219
1220 ========================================================================== */
1221
1222
1223 NSColor *
1224 ns_lookup_indexed_color (unsigned long idx, struct frame *f)
1225 {
1226 struct ns_color_table *color_table = FRAME_NS_DISPLAY_INFO (f)->color_table;
1227 if (idx < 1 || idx >= color_table->avail)
1228 return nil;
1229 return color_table->colors[idx];
1230 }
1231
1232
1233 unsigned long
1234 ns_index_color (NSColor *color, struct frame *f)
1235 {
1236 struct ns_color_table *color_table = FRAME_NS_DISPLAY_INFO (f)->color_table;
1237 int idx;
1238 NSNumber *index;
1239
1240 if (!color_table->colors)
1241 {
1242 color_table->size = NS_COLOR_CAPACITY;
1243 color_table->avail = 1; /* skip idx=0 as marker */
1244 color_table->colors
1245 = (NSColor **)xmalloc (color_table->size * sizeof (NSColor *));
1246 color_table->colors[0] = nil;
1247 color_table->empty_indices = [[NSMutableSet alloc] init];
1248 }
1249
1250 /* do we already have this color ? */
1251 {
1252 int i;
1253 for (i = 1; i < color_table->avail; i++)
1254 {
1255 if (color_table->colors[i] && [color_table->colors[i] isEqual: color])
1256 {
1257 [color_table->colors[i] retain];
1258 return i;
1259 }
1260 }
1261 }
1262
1263 if ([color_table->empty_indices count] > 0)
1264 {
1265 index = [color_table->empty_indices anyObject];
1266 [color_table->empty_indices removeObject: index];
1267 idx = [index unsignedIntValue];
1268 }
1269 else
1270 {
1271 if (color_table->avail == color_table->size)
1272 {
1273 color_table->size += NS_COLOR_CAPACITY;
1274 color_table->colors
1275 = (NSColor **)xrealloc (color_table->colors,
1276 color_table->size * sizeof (NSColor *));
1277 }
1278 idx = color_table->avail++;
1279 }
1280
1281 color_table->colors[idx] = color;
1282 [color retain];
1283 /*fprintf(stderr, "color_table: allocated %d\n",idx);*/
1284 return idx;
1285 }
1286
1287
1288 void
1289 ns_free_indexed_color (unsigned long idx, struct frame *f)
1290 {
1291 struct ns_color_table *color_table;
1292 NSColor *color;
1293 NSNumber *index;
1294
1295 if (!f)
1296 return;
1297
1298 color_table = FRAME_NS_DISPLAY_INFO (f)->color_table;
1299
1300 if (idx <= 0 || idx >= color_table->size) {
1301 message1("ns_free_indexed_color: Color index out of range.\n");
1302 return;
1303 }
1304
1305 index = [NSNumber numberWithUnsignedInt: idx];
1306 if ([color_table->empty_indices containsObject: index]) {
1307 message1("ns_free_indexed_color: attempt to free already freed color.\n");
1308 return;
1309 }
1310
1311 color = color_table->colors[idx];
1312 [color release];
1313 color_table->colors[idx] = nil;
1314 [color_table->empty_indices addObject: [NSNumber numberWithUnsignedInt: idx]];
1315 /*fprintf(stderr, "color_table: FREED %d\n",idx);*/
1316 }
1317
1318
1319 static int
1320 ns_get_color (const char *name, NSColor **col)
1321 /* --------------------------------------------------------------------------
1322 Parse a color name
1323 -------------------------------------------------------------------------- */
1324 /* On *Step, we attempt to mimic the X11 platform here, down to installing an
1325 X11 rgb.txt-compatible color list in Emacs.clr (see ns_term_init()).
1326 See: http://thread.gmane.org/gmane.emacs.devel/113050/focus=113272). */
1327 {
1328 NSColor *new = nil;
1329 static char hex[20];
1330 int scaling;
1331 float r = -1.0, g, b;
1332 NSString *nsname = [NSString stringWithUTF8String: name];
1333
1334 /*fprintf (stderr, "ns_get_color: '%s'\n", name); */
1335 BLOCK_INPUT;
1336
1337 if ([nsname isEqualToString: @"ns_selection_color"])
1338 {
1339 nsname = ns_selection_color;
1340 name = [ns_selection_color UTF8String];
1341 }
1342
1343 /* First, check for some sort of numeric specification. */
1344 hex[0] = '\0';
1345
1346 if (name[0] == '0' || name[0] == '1' || name[0] == '.') /* RGB decimal */
1347 {
1348 NSScanner *scanner = [NSScanner scannerWithString: nsname];
1349 [scanner scanFloat: &r];
1350 [scanner scanFloat: &g];
1351 [scanner scanFloat: &b];
1352 }
1353 else if (!strncmp(name, "rgb:", 4)) /* A newer X11 format -- rgb:r/g/b */
1354 {
1355 strncpy (hex, name + 4, 19);
1356 hex[19] = '\0';
1357 scaling = (strlen(hex) - 2) / 3;
1358 }
1359 else if (name[0] == '#') /* An old X11 format; convert to newer */
1360 {
1361 int len = (strlen(name) - 1);
1362 int start = (len % 3 == 0) ? 1 : len / 4 + 1;
1363 int i;
1364 scaling = strlen(name+start) / 3;
1365 for (i=0; i<3; i++) {
1366 strncpy(hex + i * (scaling + 1), name + start + i * scaling, scaling);
1367 hex[(i+1) * (scaling + 1) - 1] = '/';
1368 }
1369 hex[3 * (scaling + 1) - 1] = '\0';
1370 }
1371
1372 if (hex[0])
1373 {
1374 int rr, gg, bb;
1375 float fscale = scaling == 4 ? 65535.0 : (scaling == 2 ? 255.0 : 15.0);
1376 if (sscanf (hex, "%x/%x/%x", &rr, &gg, &bb))
1377 {
1378 r = rr / fscale;
1379 g = gg / fscale;
1380 b = bb / fscale;
1381 }
1382 }
1383
1384 if (r >= 0.0)
1385 {
1386 *col = [NSColor colorWithCalibratedRed: r green: g blue: b alpha: 1.0];
1387 UNBLOCK_INPUT;
1388 return 0;
1389 }
1390
1391 /* Otherwise, color is expected to be from a list */
1392 {
1393 NSEnumerator *lenum, *cenum;
1394 NSString *name;
1395 NSColorList *clist;
1396
1397 #ifdef NS_IMPL_GNUSTEP
1398 /* XXX: who is wrong, the requestor or the implementation? */
1399 if ([nsname compare: @"Highlight" options: NSCaseInsensitiveSearch]
1400 == NSOrderedSame)
1401 nsname = @"highlightColor";
1402 #endif
1403
1404 lenum = [[NSColorList availableColorLists] objectEnumerator];
1405 while ( (clist = [lenum nextObject]) && new == nil)
1406 {
1407 cenum = [[clist allKeys] objectEnumerator];
1408 while ( (name = [cenum nextObject]) && new == nil )
1409 {
1410 if ([name compare: nsname
1411 options: NSCaseInsensitiveSearch] == NSOrderedSame )
1412 new = [clist colorWithKey: name];
1413 }
1414 }
1415 }
1416
1417 if (new)
1418 *col = [new colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
1419 UNBLOCK_INPUT;
1420 return new ? 0 : 1;
1421 }
1422
1423
1424 static NSColor *
1425 ns_get_color_default (const char *name, NSColor *dflt)
1426 /* --------------------------------------------------------------------------
1427 Parse a color or use a default value
1428 -------------------------------------------------------------------------- */
1429 {
1430 NSColor * col;
1431
1432 if (ns_get_color (name, &col))
1433 return dflt;
1434 else
1435 return col;
1436 }
1437
1438
1439 int
1440 ns_lisp_to_color (Lisp_Object color, NSColor **col)
1441 /* --------------------------------------------------------------------------
1442 Convert a Lisp string object to a NS color
1443 -------------------------------------------------------------------------- */
1444 {
1445 NSTRACE (ns_lisp_to_color);
1446 if (STRINGP (color))
1447 return ns_get_color (SDATA (color), col);
1448 else if (SYMBOLP (color))
1449 return ns_get_color (SDATA (SYMBOL_NAME (color)), col);
1450 return 1;
1451 }
1452
1453
1454 Lisp_Object
1455 ns_color_to_lisp (NSColor *col)
1456 /* --------------------------------------------------------------------------
1457 Convert a color to a lisp string with the RGB equivalent
1458 -------------------------------------------------------------------------- */
1459 {
1460 CGFloat red, green, blue, alpha, gray;
1461 char buf[1024];
1462 const char *str;
1463 NSTRACE (ns_color_to_lisp);
1464
1465 BLOCK_INPUT;
1466 if ([[col colorSpaceName] isEqualToString: NSNamedColorSpace])
1467
1468 if ((str =[[col colorNameComponent] UTF8String]))
1469 {
1470 UNBLOCK_INPUT;
1471 return build_string ((char *)str);
1472 }
1473
1474 [[col colorUsingColorSpaceName: NSCalibratedRGBColorSpace]
1475 getRed: &red green: &green blue: &blue alpha: &alpha];
1476 if (red ==green && red ==blue)
1477 {
1478 [[col colorUsingColorSpaceName: NSCalibratedWhiteColorSpace]
1479 getWhite: &gray alpha: &alpha];
1480 snprintf (buf, sizeof (buf), "#%2.2lx%2.2lx%2.2lx",
1481 lrint (gray * 0xff), lrint (gray * 0xff), lrint (gray * 0xff));
1482 UNBLOCK_INPUT;
1483 return build_string (buf);
1484 }
1485
1486 snprintf (buf, sizeof (buf), "#%2.2lx%2.2lx%2.2lx",
1487 lrint (red*0xff), lrint (green*0xff), lrint (blue*0xff));
1488
1489 UNBLOCK_INPUT;
1490 return build_string (buf);
1491 }
1492
1493
1494 void
1495 ns_query_color(void *col, XColor *color_def, int setPixel)
1496 /* --------------------------------------------------------------------------
1497 Get ARGB values out of NSColor col and put them into color_def.
1498 If setPixel, set the pixel to a concatenated version.
1499 and set color_def pixel to the resulting index.
1500 -------------------------------------------------------------------------- */
1501 {
1502 CGFloat r, g, b, a;
1503
1504 [((NSColor *)col) getRed: &r green: &g blue: &b alpha: &a];
1505 color_def->red = r * 65535;
1506 color_def->green = g * 65535;
1507 color_def->blue = b * 65535;
1508
1509 if (setPixel == YES)
1510 color_def->pixel
1511 = ARGB_TO_ULONG((int)(a*255),
1512 (int)(r*255), (int)(g*255), (int)(b*255));
1513 }
1514
1515
1516 int
1517 ns_defined_color (struct frame *f,
1518 const char *name,
1519 XColor *color_def,
1520 int alloc,
1521 char makeIndex)
1522 /* --------------------------------------------------------------------------
1523 Return 1 if named color found, and set color_def rgb accordingly.
1524 If makeIndex and alloc are nonzero put the color in the color_table,
1525 and set color_def pixel to the resulting index.
1526 If makeIndex is zero, set color_def pixel to ARGB.
1527 Return 0 if not found
1528 -------------------------------------------------------------------------- */
1529 {
1530 NSColor *col;
1531 NSTRACE (ns_defined_color);
1532
1533 BLOCK_INPUT;
1534 if (ns_get_color (name, &col) != 0) /* Color not found */
1535 {
1536 UNBLOCK_INPUT;
1537 return 0;
1538 }
1539 if (makeIndex && alloc)
1540 color_def->pixel = ns_index_color (col, f);
1541 ns_query_color (col, color_def, !makeIndex);
1542 UNBLOCK_INPUT;
1543 return 1;
1544 }
1545
1546
1547 unsigned long
1548 ns_get_rgb_color (struct frame *f, float r, float g, float b, float a)
1549 /* --------------------------------------------------------------------------
1550 return an autoreleased RGB color
1551 -------------------------------------------------------------------------- */
1552 {
1553 /*static int c = 1; fprintf (stderr, "color request %d\n", c++); */
1554 if (r < 0.0) r = 0.0;
1555 else if (r > 1.0) r = 1.0;
1556 if (g < 0.0) g = 0.0;
1557 else if (g > 1.0) g = 1.0;
1558 if (b < 0.0) b = 0.0;
1559 else if (b > 1.0) b = 1.0;
1560 if (a < 0.0) a = 0.0;
1561 else if (a > 1.0) a = 1.0;
1562 return (unsigned long) ns_index_color(
1563 [NSColor colorWithCalibratedRed: r green: g blue: b alpha: a], f);
1564 }
1565
1566
1567 void
1568 x_set_frame_alpha (struct frame *f)
1569 /* --------------------------------------------------------------------------
1570 change the entire-frame transparency
1571 -------------------------------------------------------------------------- */
1572 {
1573 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
1574 EmacsView *view = FRAME_NS_VIEW (f);
1575 double alpha = 1.0;
1576 double alpha_min = 1.0;
1577
1578 if (dpyinfo->x_highlight_frame == f)
1579 alpha = f->alpha[0];
1580 else
1581 alpha = f->alpha[1];
1582
1583 if (FLOATP (Vframe_alpha_lower_limit))
1584 alpha_min = XFLOAT_DATA (Vframe_alpha_lower_limit);
1585 else if (INTEGERP (Vframe_alpha_lower_limit))
1586 alpha_min = (XINT (Vframe_alpha_lower_limit)) / 100.0;
1587
1588 if (alpha < 0.0)
1589 return;
1590 else if (1.0 < alpha)
1591 alpha = 1.0;
1592 else if (0.0 <= alpha && alpha < alpha_min && alpha_min <= 1.0)
1593 alpha = alpha_min;
1594
1595 #ifdef NS_IMPL_COCOA
1596 [[view window] setAlphaValue: alpha];
1597 #endif
1598 }
1599
1600
1601 /* ==========================================================================
1602
1603 Mouse handling
1604
1605 ========================================================================== */
1606
1607
1608 void
1609 x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y)
1610 /* --------------------------------------------------------------------------
1611 Programmatically reposition mouse pointer in pixel coordinates
1612 -------------------------------------------------------------------------- */
1613 {
1614 NSTRACE (x_set_mouse_pixel_position);
1615 ns_raise_frame (f);
1616 #if 0
1617 /* FIXME: this does not work, and what about GNUstep? */
1618 #ifdef NS_IMPL_COCOA
1619 [FRAME_NS_VIEW (f) lockFocus];
1620 PSsetmouse ((float)pix_x, (float)pix_y);
1621 [FRAME_NS_VIEW (f) unlockFocus];
1622 #endif
1623 #endif
1624 }
1625
1626
1627 void
1628 x_set_mouse_position (struct frame *f, int h, int v)
1629 /* --------------------------------------------------------------------------
1630 Programmatically reposition mouse pointer in character coordinates
1631 -------------------------------------------------------------------------- */
1632 {
1633 int pix_x, pix_y;
1634
1635 pix_x = FRAME_COL_TO_PIXEL_X (f, h) + FRAME_COLUMN_WIDTH (f) / 2;
1636 pix_y = FRAME_LINE_TO_PIXEL_Y (f, v) + FRAME_LINE_HEIGHT (f) / 2;
1637
1638 if (pix_x < 0) pix_x = 0;
1639 if (pix_x > FRAME_PIXEL_WIDTH (f)) pix_x = FRAME_PIXEL_WIDTH (f);
1640
1641 if (pix_y < 0) pix_y = 0;
1642 if (pix_y > FRAME_PIXEL_HEIGHT (f)) pix_y = FRAME_PIXEL_HEIGHT (f);
1643
1644 x_set_mouse_pixel_position (f, pix_x, pix_y);
1645 }
1646
1647
1648 static int
1649 note_mouse_movement (struct frame *frame, float x, float y)
1650 /* ------------------------------------------------------------------------
1651 Called by EmacsView on mouseMovement events. Passes on
1652 to emacs mainstream code if we moved off of a rect of interest
1653 known as last_mouse_glyph.
1654 ------------------------------------------------------------------------ */
1655 {
1656 // NSTRACE (note_mouse_movement);
1657
1658 XSETFRAME (last_mouse_motion_frame, frame);
1659
1660 /* Note, this doesn't get called for enter/leave, since we don't have a
1661 position. Those are taken care of in the corresponding NSView methods. */
1662
1663 /* has movement gone beyond last rect we were tracking? */
1664 if (x < last_mouse_glyph.origin.x ||
1665 x >= (last_mouse_glyph.origin.x + last_mouse_glyph.size.width) ||
1666 y < last_mouse_glyph.origin.y ||
1667 y >= (last_mouse_glyph.origin.y + last_mouse_glyph.size.height))
1668 {
1669 ns_update_begin(frame);
1670 frame->mouse_moved = 1;
1671 note_mouse_highlight (frame, x, y);
1672 remember_mouse_glyph (frame, x, y, &last_mouse_glyph);
1673 ns_update_end(frame);
1674 return 1;
1675 }
1676
1677 return 0;
1678 }
1679
1680
1681 static void
1682 ns_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window,
1683 enum scroll_bar_part *part, Lisp_Object *x, Lisp_Object *y,
1684 unsigned long *time)
1685 /* --------------------------------------------------------------------------
1686 External (hook): inform emacs about mouse position and hit parts.
1687 If a scrollbar is being dragged, set bar_window, part, x, y, time.
1688 x & y should be position in the scrollbar (the whole bar, not the handle)
1689 and length of scrollbar respectively
1690 -------------------------------------------------------------------------- */
1691 {
1692 id view;
1693 NSPoint position;
1694 int xchar, ychar;
1695 Lisp_Object frame, tail;
1696 struct frame *f;
1697 struct ns_display_info *dpyinfo;
1698
1699 NSTRACE (ns_mouse_position);
1700
1701 if (*fp == NULL)
1702 {
1703 fprintf (stderr, "Warning: ns_mouse_position () called with null *fp.\n");
1704 return;
1705 }
1706
1707 dpyinfo = FRAME_NS_DISPLAY_INFO (*fp);
1708
1709 BLOCK_INPUT;
1710
1711 if (last_mouse_scroll_bar != nil && insist == 0)
1712 {
1713 /* TODO: we do not use this path at the moment because drag events will
1714 go directly to the EmacsScroller. Leaving code in for now. */
1715 [last_mouse_scroll_bar getMouseMotionPart: (int *)part window: bar_window
1716 x: x y: y];
1717 if (time) *time = last_mouse_movement_time;
1718 last_mouse_scroll_bar = nil;
1719 }
1720 else
1721 {
1722 /* Clear the mouse-moved flag for every frame on this display. */
1723 FOR_EACH_FRAME (tail, frame)
1724 if (FRAME_NS_P (XFRAME (frame))
1725 && FRAME_NS_DISPLAY (XFRAME (frame)) == FRAME_NS_DISPLAY (*fp))
1726 XFRAME (frame)->mouse_moved = 0;
1727
1728 last_mouse_scroll_bar = nil;
1729 if (last_mouse_frame && FRAME_LIVE_P (last_mouse_frame))
1730 f = last_mouse_frame;
1731 else
1732 f = dpyinfo->x_focus_frame ? dpyinfo->x_focus_frame
1733 : SELECTED_FRAME ();
1734
1735 if (f && f->output_data.ns) /* TODO: 2nd check no longer needed? */
1736 {
1737 view = FRAME_NS_VIEW (*fp);
1738
1739 position = [[view window] mouseLocationOutsideOfEventStream];
1740 position = [view convertPoint: position fromView: nil];
1741 remember_mouse_glyph (f, position.x, position.y, &last_mouse_glyph);
1742 /*fprintf (stderr, "ns_mouse_position: %.0f, %.0f\n", position.x, position.y); */
1743
1744 if (bar_window) *bar_window = Qnil;
1745 if (part) *part = 0; /*scroll_bar_handle; */
1746
1747 if (x) XSETINT (*x, lrint (position.x));
1748 if (y) XSETINT (*y, lrint (position.y));
1749 if (time) *time = last_mouse_movement_time;
1750 *fp = f;
1751 }
1752 }
1753
1754 UNBLOCK_INPUT;
1755 }
1756
1757
1758 static void
1759 ns_frame_up_to_date (struct frame *f)
1760 /* --------------------------------------------------------------------------
1761 External (hook): Fix up mouse highlighting right after a full update.
1762 Some highlighting was deferred if GC was happening during
1763 note_mouse_highlight (), while other highlighting was deferred for update.
1764 -------------------------------------------------------------------------- */
1765 {
1766 NSTRACE (ns_frame_up_to_date);
1767
1768 if (FRAME_NS_P (f))
1769 {
1770 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
1771 if ((hlinfo->mouse_face_deferred_gc || f ==hlinfo->mouse_face_mouse_frame)
1772 /*&& hlinfo->mouse_face_mouse_frame*/)
1773 {
1774 BLOCK_INPUT;
1775 ns_update_begin(f);
1776 if (hlinfo->mouse_face_mouse_frame)
1777 note_mouse_highlight (hlinfo->mouse_face_mouse_frame,
1778 hlinfo->mouse_face_mouse_x,
1779 hlinfo->mouse_face_mouse_y);
1780 hlinfo->mouse_face_deferred_gc = 0;
1781 ns_update_end(f);
1782 UNBLOCK_INPUT;
1783 }
1784 }
1785 }
1786
1787
1788 void
1789 ns_define_frame_cursor (struct frame *f, Cursor cursor)
1790 /* --------------------------------------------------------------------------
1791 External (RIF): set frame mouse pointer type.
1792 -------------------------------------------------------------------------- */
1793 {
1794 NSTRACE (ns_define_frame_cursor);
1795 if (FRAME_POINTER_TYPE (f) != cursor)
1796 {
1797 EmacsView *view = FRAME_NS_VIEW (f);
1798 FRAME_POINTER_TYPE (f) = cursor;
1799 [[view window] invalidateCursorRectsForView: view];
1800 /* Redisplay assumes this function also draws the changed frame
1801 cursor, but this function doesn't, so do it explicitly. */
1802 x_update_cursor (f, 1);
1803 }
1804 }
1805
1806
1807
1808 /* ==========================================================================
1809
1810 Keyboard handling
1811
1812 ========================================================================== */
1813
1814
1815 static unsigned
1816 ns_convert_key (unsigned code)
1817 /* --------------------------------------------------------------------------
1818 Internal call used by NSView-keyDown.
1819 -------------------------------------------------------------------------- */
1820 {
1821 const unsigned last_keysym = (sizeof (convert_ns_to_X_keysym)
1822 / sizeof (convert_ns_to_X_keysym[0]));
1823 unsigned keysym;
1824 /* An array would be faster, but less easy to read. */
1825 for (keysym = 0; keysym < last_keysym; keysym += 2)
1826 if (code == convert_ns_to_X_keysym[keysym])
1827 return 0xFF00 | convert_ns_to_X_keysym[keysym+1];
1828 return 0;
1829 /* if decide to use keyCode and Carbon table, use this line:
1830 return code > 0xff ? 0 : 0xFF00 | ns_keycode_to_xkeysym_table[code]; */
1831 }
1832
1833
1834 char *
1835 x_get_keysym_name (int keysym)
1836 /* --------------------------------------------------------------------------
1837 Called by keyboard.c. Not sure if the return val is important, except
1838 that it be unique.
1839 -------------------------------------------------------------------------- */
1840 {
1841 static char value[16];
1842 NSTRACE (x_get_keysym_name);
1843 sprintf (value, "%d", keysym);
1844 return value;
1845 }
1846
1847
1848
1849 /* ==========================================================================
1850
1851 Block drawing operations
1852
1853 ========================================================================== */
1854
1855
1856 static void
1857 ns_redraw_scroll_bars (struct frame *f)
1858 {
1859 int i;
1860 id view;
1861 NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
1862 NSTRACE (ns_judge_scroll_bars);
1863 for (i =[subviews count]-1; i >= 0; i--)
1864 {
1865 view = [subviews objectAtIndex: i];
1866 if (![view isKindOfClass: [EmacsScroller class]]) continue;
1867 [view display];
1868 }
1869 }
1870
1871
1872 void
1873 ns_clear_frame (struct frame *f)
1874 /* --------------------------------------------------------------------------
1875 External (hook): Erase the entire frame
1876 -------------------------------------------------------------------------- */
1877 {
1878 NSView *view = FRAME_NS_VIEW (f);
1879 NSRect r;
1880
1881 NSTRACE (ns_clear_frame);
1882 if (ns_in_resize)
1883 return;
1884
1885 /* comes on initial frame because we have
1886 after-make-frame-functions = select-frame */
1887 if (!FRAME_DEFAULT_FACE (f))
1888 return;
1889
1890 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f)));
1891
1892 output_cursor.hpos = output_cursor.vpos = 0;
1893 output_cursor.x = -1;
1894
1895 r = [view bounds];
1896
1897 BLOCK_INPUT;
1898 ns_focus (f, &r, 1);
1899 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (FRAME_DEFAULT_FACE (f)), f) set];
1900 NSRectFill (r);
1901 ns_unfocus (f);
1902
1903 #ifdef NS_IMPL_COCOA
1904 [[view window] display]; /* redraw resize handle */
1905 #endif
1906
1907 /* as of 2006/11 or so this is now needed */
1908 ns_redraw_scroll_bars (f);
1909 UNBLOCK_INPUT;
1910 }
1911
1912
1913 void
1914 ns_clear_frame_area (struct frame *f, int x, int y, int width, int height)
1915 /* --------------------------------------------------------------------------
1916 External (RIF): Clear section of frame
1917 -------------------------------------------------------------------------- */
1918 {
1919 NSRect r = NSMakeRect (x, y, width, height);
1920 NSView *view = FRAME_NS_VIEW (f);
1921 struct face *face = FRAME_DEFAULT_FACE (f);
1922
1923 if (!view || !face)
1924 return;
1925
1926 NSTRACE (ns_clear_frame_area);
1927
1928 r = NSIntersectionRect (r, [view frame]);
1929 ns_focus (f, &r, 1);
1930 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), f) set];
1931
1932 #ifdef NS_IMPL_COCOA
1933 {
1934 /* clip out the resize handle */
1935 NSWindow *window = [FRAME_NS_VIEW (f) window];
1936 NSRect ir
1937 = [view convertRect: ns_resize_handle_rect (window) fromView: nil];
1938
1939 ir = NSIntersectionRect (r, ir);
1940 if (NSIsEmptyRect (ir))
1941 {
1942 #endif
1943
1944 NSRectFill (r);
1945
1946 #ifdef NS_IMPL_COCOA
1947 }
1948 else
1949 {
1950 NSRect r1 = r, r2 = r; /* upper and lower non-intersecting */
1951 r1.size.height -= ir.size.height;
1952 r2.origin.y += r1.size.height;
1953 r2.size.width -= ir.size.width;
1954 r2.size.height = ir.size.height;
1955 NSRectFill (r1);
1956 NSRectFill (r2);
1957 }
1958 }
1959 #endif
1960
1961 ns_unfocus (f);
1962 return;
1963 }
1964
1965
1966 static void
1967 ns_scroll_run (struct window *w, struct run *run)
1968 /* --------------------------------------------------------------------------
1969 External (RIF): Insert or delete n lines at line vpos
1970 -------------------------------------------------------------------------- */
1971 {
1972 struct frame *f = XFRAME (w->frame);
1973 int x, y, width, height, from_y, to_y, bottom_y;
1974
1975 NSTRACE (ns_scroll_run);
1976
1977 /* begin copy from other terms */
1978 /* Get frame-relative bounding box of the text display area of W,
1979 without mode lines. Include in this box the left and right
1980 fringe of W. */
1981 window_box (w, -1, &x, &y, &width, &height);
1982
1983 from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y);
1984 to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y);
1985 bottom_y = y + height;
1986
1987 if (to_y < from_y)
1988 {
1989 /* Scrolling up. Make sure we don't copy part of the mode
1990 line at the bottom. */
1991 if (from_y + run->height > bottom_y)
1992 height = bottom_y - from_y;
1993 else
1994 height = run->height;
1995 }
1996 else
1997 {
1998 /* Scolling down. Make sure we don't copy over the mode line.
1999 at the bottom. */
2000 if (to_y + run->height > bottom_y)
2001 height = bottom_y - to_y;
2002 else
2003 height = run->height;
2004 }
2005 /* end copy from other terms */
2006
2007 if (height == 0)
2008 return;
2009
2010 BLOCK_INPUT;
2011
2012 updated_window = w;
2013 x_clear_cursor (w);
2014
2015 {
2016 NSRect srcRect = NSMakeRect (x, from_y, width, height);
2017 NSRect dstRect = NSMakeRect (x, to_y, width, height);
2018 NSPoint dstOrigin = NSMakePoint (x, to_y);
2019
2020 ns_focus (f, &dstRect, 1);
2021 NSCopyBits (0, srcRect , dstOrigin);
2022 ns_unfocus (f);
2023 }
2024
2025 UNBLOCK_INPUT;
2026 }
2027
2028
2029 static void
2030 ns_after_update_window_line (struct glyph_row *desired_row)
2031 /* --------------------------------------------------------------------------
2032 External (RIF): preparatory to fringe update after text was updated
2033 -------------------------------------------------------------------------- */
2034 {
2035 struct window *w = updated_window;
2036 struct frame *f;
2037 int width, height;
2038
2039 NSTRACE (ns_after_update_window_line);
2040
2041 /* begin copy from other terms */
2042 xassert (w);
2043
2044 if (!desired_row->mode_line_p && !w->pseudo_window_p)
2045 desired_row->redraw_fringe_bitmaps_p = 1;
2046
2047 /* When a window has disappeared, make sure that no rest of
2048 full-width rows stays visible in the internal border.
2049 Under NS this is drawn inside the fringes. */
2050 if (windows_or_buffers_changed
2051 && (f = XFRAME (w->frame),
2052 width = FRAME_INTERNAL_BORDER_WIDTH (f),
2053 width != 0)
2054 && (height = desired_row->visible_height,
2055 height > 0))
2056 {
2057 int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y));
2058
2059 /* Internal border is drawn below the tool bar. */
2060 if (WINDOWP (f->tool_bar_window)
2061 && w == XWINDOW (f->tool_bar_window))
2062 y -= width;
2063 /* end copy from other terms */
2064
2065 BLOCK_INPUT;
2066 if (!desired_row->full_width_p)
2067 {
2068 int x1 = WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH (w)
2069 + WINDOW_LEFT_FRINGE_WIDTH (w);
2070 int x2 = WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH (w)
2071 + FRAME_PIXEL_WIDTH (f) - NS_SCROLL_BAR_WIDTH (f)
2072 - WINDOW_RIGHT_FRINGE_WIDTH (w)
2073 - FRAME_INTERNAL_BORDER_WIDTH (f);
2074 ns_clear_frame_area (f, x1, y, width, height);
2075 ns_clear_frame_area (f, x2, y, width, height);
2076 }
2077 UNBLOCK_INPUT;
2078 }
2079 }
2080
2081
2082 static void
2083 ns_shift_glyphs_for_insert (struct frame *f,
2084 int x, int y, int width, int height,
2085 int shift_by)
2086 /* --------------------------------------------------------------------------
2087 External (RIF): copy an area horizontally, don't worry about clearing src
2088 -------------------------------------------------------------------------- */
2089 {
2090 NSRect srcRect = NSMakeRect (x, y, width, height);
2091 NSRect dstRect = NSMakeRect (x+shift_by, y, width, height);
2092 NSPoint dstOrigin = dstRect.origin;
2093
2094 NSTRACE (ns_shift_glyphs_for_insert);
2095
2096 ns_focus (f, &dstRect, 1);
2097 NSCopyBits (0, srcRect, dstOrigin);
2098 ns_unfocus (f);
2099 }
2100
2101
2102
2103 /* ==========================================================================
2104
2105 Character encoding and metrics
2106
2107 ========================================================================== */
2108
2109
2110 static inline void
2111 ns_compute_glyph_string_overhangs (struct glyph_string *s)
2112 /* --------------------------------------------------------------------------
2113 External (RIF); compute left/right overhang of whole string and set in s
2114 -------------------------------------------------------------------------- */
2115 {
2116 struct face *face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2117 struct font *font = s->font; /*face->font; */
2118
2119 if (s->char2b)
2120 {
2121 struct font_metrics metrics;
2122 unsigned int codes[2];
2123 codes[0] = *(s->char2b);
2124 codes[1] = *(s->char2b + s->nchars - 1);
2125
2126 font->driver->text_extents (font, codes, 2, &metrics);
2127 s->left_overhang = -metrics.lbearing;
2128 s->right_overhang
2129 = metrics.rbearing > metrics.width
2130 ? metrics.rbearing - metrics.width : 0;
2131 }
2132 else
2133 {
2134 s->left_overhang = 0;
2135 s->right_overhang = ((struct nsfont_info *)font)->ital ?
2136 FONT_HEIGHT (font) * 0.2 : 0;
2137 }
2138 }
2139
2140
2141
2142 /* ==========================================================================
2143
2144 Fringe and cursor drawing
2145
2146 ========================================================================== */
2147
2148
2149 extern int max_used_fringe_bitmap;
2150 static void
2151 ns_draw_fringe_bitmap (struct window *w, struct glyph_row *row,
2152 struct draw_fringe_bitmap_params *p)
2153 /* --------------------------------------------------------------------------
2154 External (RIF); fringe-related
2155 -------------------------------------------------------------------------- */
2156 {
2157 struct frame *f = XFRAME (WINDOW_FRAME (w));
2158 struct face *face = p->face;
2159 int rowY;
2160 static EmacsImage **bimgs = NULL;
2161 static int nBimgs = 0;
2162 /* NS-specific: move internal border inside fringe */
2163 int x = p->bx < 0 ? p->x : p->bx;
2164 int wd = p->bx < 0 ? p->wd : p->nx;
2165 BOOL fringeOnVeryLeft
2166 = x - WINDOW_LEFT_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)
2167 - FRAME_INTERNAL_BORDER_WIDTH (f) < 10;
2168 BOOL fringeOnVeryRight
2169 = FRAME_PIXEL_WIDTH (f) - x - wd - FRAME_INTERNAL_BORDER_WIDTH (f)
2170 - WINDOW_RIGHT_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w) < 10;
2171 int xAdjust = FRAME_INTERNAL_BORDER_WIDTH (f) *
2172 (fringeOnVeryLeft ? -1 : (fringeOnVeryRight ? 1 : 0));
2173
2174 /* grow bimgs if needed */
2175 if (nBimgs < max_used_fringe_bitmap)
2176 {
2177 EmacsImage **newBimgs
2178 = xmalloc (max_used_fringe_bitmap * sizeof (EmacsImage *));
2179 memset (newBimgs, 0, max_used_fringe_bitmap * sizeof (EmacsImage *));
2180
2181 if (nBimgs)
2182 {
2183 memcpy (newBimgs, bimgs, nBimgs * sizeof (EmacsImage *));
2184 xfree (bimgs);
2185 }
2186
2187 bimgs = newBimgs;
2188 nBimgs = max_used_fringe_bitmap;
2189 }
2190
2191 /* Must clip because of partially visible lines. */
2192 rowY = WINDOW_TO_FRAME_PIXEL_Y (w, row->y);
2193 ns_clip_to_row (w, row, -1, YES);
2194
2195 if (p->bx >= 0 && !p->overlay_p)
2196 {
2197 int yAdjust = rowY - FRAME_INTERNAL_BORDER_WIDTH (f) < 5 ?
2198 -FRAME_INTERNAL_BORDER_WIDTH (f) : 0;
2199 int yIncr = FRAME_PIXEL_HEIGHT (f) - (p->by+yAdjust + p->ny) < 5 ?
2200 FRAME_INTERNAL_BORDER_WIDTH (f) : 0
2201 + (yAdjust ? FRAME_INTERNAL_BORDER_WIDTH (f) : 0);
2202 NSRect r = NSMakeRect (p->bx+xAdjust, p->by+yAdjust, p->nx, p->ny+yIncr);
2203 NSRectClip (r);
2204 [ns_lookup_indexed_color(face->background, f) set];
2205 NSRectFill (r);
2206 }
2207
2208 if (p->which)
2209 {
2210 NSRect r = NSMakeRect (p->x+xAdjust, p->y, p->wd, p->h);
2211 NSPoint pt = r.origin;
2212 EmacsImage *img = bimgs[p->which - 1];
2213
2214 if (!img)
2215 {
2216 unsigned short *bits = p->bits + p->dh;
2217 int len = 8 * p->h/8;
2218 int i;
2219 unsigned char *cbits = xmalloc (len);
2220
2221 for (i =0; i<len; i++)
2222 cbits[i] = ~(bits[i] & 0xff);
2223 img = [[EmacsImage alloc] initFromXBM: cbits width: 8 height: p->h
2224 flip: NO];
2225 bimgs[p->which - 1] = img;
2226 xfree (cbits);
2227 }
2228
2229 NSRectClip (r);
2230 /* Since we composite the bitmap instead of just blitting it, we need
2231 to erase the whole background. */
2232 [ns_lookup_indexed_color(face->background, f) set];
2233 NSRectFill (r);
2234 pt.y += p->h;
2235 [img setXBMColor: ns_lookup_indexed_color(face->foreground, f)];
2236 [img compositeToPoint: pt operation: NSCompositeSourceOver];
2237 }
2238 ns_unfocus (f);
2239 }
2240
2241
2242 void
2243 ns_draw_window_cursor (struct window *w, struct glyph_row *glyph_row,
2244 int x, int y, int cursor_type, int cursor_width,
2245 int on_p, int active_p)
2246 /* --------------------------------------------------------------------------
2247 External call (RIF): draw cursor
2248 (modeled after x_draw_window_cursor
2249 FIXME: cursor_width is effectively bogus -- it sometimes gets set
2250 in xdisp.c set_frame_cursor_types, sometimes left uninitialized;
2251 DON'T USE IT (no other terms do)
2252 -------------------------------------------------------------------------- */
2253 {
2254 NSRect r, s;
2255 int fx, fy, h;
2256 struct frame *f = WINDOW_XFRAME (w);
2257 struct glyph *phys_cursor_glyph;
2258 int overspill;
2259 struct glyph *cursor_glyph;
2260 struct face *face;
2261 NSColor *hollow_color = FRAME_BACKGROUND_COLOR (f);
2262
2263 /* If cursor is out of bounds, don't draw garbage. This can happen
2264 in mini-buffer windows when switching between echo area glyphs
2265 and mini-buffer. */
2266
2267 NSTRACE (dumpcursor);
2268 //fprintf(stderr, "drawcursor (%d,%d) activep = %d\tonp = %d\tc_type = %d\twidth = %d\n",x,y, active_p,on_p,cursor_type,cursor_width);
2269
2270 if (!on_p)
2271 return;
2272
2273 w->phys_cursor_type = cursor_type;
2274 w->phys_cursor_on_p = on_p;
2275
2276 if (cursor_type == NO_CURSOR)
2277 {
2278 w->phys_cursor_width = 0;
2279 return;
2280 }
2281
2282 if ((phys_cursor_glyph = get_phys_cursor_glyph (w)) == NULL)
2283 {
2284 if (glyph_row->exact_window_width_line_p
2285 && w->phys_cursor.hpos >= glyph_row->used[TEXT_AREA])
2286 {
2287 glyph_row->cursor_in_fringe_p = 1;
2288 draw_fringe_bitmap (w, glyph_row, 0);
2289 }
2290 return;
2291 }
2292
2293 get_phys_cursor_geometry (w, glyph_row, phys_cursor_glyph, &fx, &fy, &h);
2294
2295 r.origin.x = fx, r.origin.y = fy;
2296 r.size.height = h;
2297 r.size.width = w->phys_cursor_width;
2298
2299 /* FIXME: if we overwrite the internal border area, it does not get erased;
2300 fix by truncating cursor, but better would be to erase properly */
2301 overspill = r.origin.x + r.size.width -
2302 WINDOW_TEXT_TO_FRAME_PIXEL_X (w, WINDOW_BOX_RIGHT_EDGE_X (w)
2303 - WINDOW_TOTAL_FRINGE_WIDTH (w) - FRAME_INTERNAL_BORDER_WIDTH (f));
2304 if (overspill > 0)
2305 r.size.width -= overspill;
2306
2307 /* TODO: only needed in rare cases with last-resort font in HELLO..
2308 should we do this more efficiently? */
2309 ns_clip_to_row (w, glyph_row, -1, NO); /* do ns_focus(f, &r, 1); if remove */
2310
2311
2312 face = FACE_FROM_ID (f, phys_cursor_glyph->face_id);
2313 if (face && NS_FACE_BACKGROUND (face)
2314 == ns_index_color (FRAME_CURSOR_COLOR (f), f))
2315 {
2316 [ns_lookup_indexed_color (NS_FACE_FOREGROUND (face), f) set];
2317 hollow_color = FRAME_CURSOR_COLOR (f);
2318 }
2319 else
2320 [FRAME_CURSOR_COLOR (f) set];
2321
2322 #ifdef NS_IMPL_COCOA
2323 /* TODO: This makes drawing of cursor plus that of phys_cursor_glyph
2324 atomic. Cleaner ways of doing this should be investigated.
2325 One way would be to set a global variable DRAWING_CURSOR
2326 when making the call to draw_phys..(), don't focus in that
2327 case, then move the ns_unfocus() here after that call. */
2328 NSDisableScreenUpdates ();
2329 #endif
2330
2331 switch (cursor_type)
2332 {
2333 case NO_CURSOR:
2334 break;
2335 case FILLED_BOX_CURSOR:
2336 NSRectFill (r);
2337 break;
2338 case HOLLOW_BOX_CURSOR:
2339 NSRectFill (r);
2340 [hollow_color set];
2341 NSRectFill (NSInsetRect (r, 1, 1));
2342 [FRAME_CURSOR_COLOR (f) set];
2343 break;
2344 case HBAR_CURSOR:
2345 s = r;
2346 s.origin.y += lrint (0.75 * s.size.height);
2347 s.size.height = lrint (s.size.height * 0.25);
2348 NSRectFill (s);
2349 break;
2350 case BAR_CURSOR:
2351 s = r;
2352 s.size.width = min (cursor_width, 2); //FIXME(see above)
2353
2354 /* If the character under cursor is R2L, draw the bar cursor
2355 on the right of its glyph, rather than on the left. */
2356 cursor_glyph = get_phys_cursor_glyph (w);
2357 if ((cursor_glyph->resolved_level & 1) != 0)
2358 s.origin.x += cursor_glyph->pixel_width - s.size.width;
2359
2360 NSRectFill (s);
2361 break;
2362 }
2363 ns_unfocus (f);
2364
2365 /* draw the character under the cursor */
2366 if (cursor_type != NO_CURSOR)
2367 draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR);
2368
2369 #ifdef NS_IMPL_COCOA
2370 NSEnableScreenUpdates ();
2371 #endif
2372
2373 }
2374
2375
2376 static void
2377 ns_draw_vertical_window_border (struct window *w, int x, int y0, int y1)
2378 /* --------------------------------------------------------------------------
2379 External (RIF): Draw a vertical line.
2380 -------------------------------------------------------------------------- */
2381 {
2382 struct frame *f = XFRAME (WINDOW_FRAME (w));
2383 struct face *face;
2384 NSRect r = NSMakeRect (x, y0, 1, y1-y0);
2385
2386 NSTRACE (ns_draw_vertical_window_border);
2387
2388 face = FACE_FROM_ID (f, VERTICAL_BORDER_FACE_ID);
2389 if (face)
2390 [ns_lookup_indexed_color(face->foreground, f) set];
2391
2392 ns_focus (f, &r, 1);
2393 NSRectFill(r);
2394 ns_unfocus (f);
2395 }
2396
2397
2398 void
2399 show_hourglass (struct atimer *timer)
2400 {
2401 if (hourglass_shown_p)
2402 return;
2403
2404 BLOCK_INPUT;
2405
2406 /* TODO: add NSProgressIndicator to selected frame (see macfns.c) */
2407
2408 hourglass_shown_p = 1;
2409 UNBLOCK_INPUT;
2410 }
2411
2412
2413 void
2414 hide_hourglass (void)
2415 {
2416 if (!hourglass_shown_p)
2417 return;
2418
2419 BLOCK_INPUT;
2420
2421 /* TODO: remove NSProgressIndicator from all frames */
2422
2423 hourglass_shown_p = 0;
2424 UNBLOCK_INPUT;
2425 }
2426
2427
2428
2429 /* ==========================================================================
2430
2431 Glyph drawing operations
2432
2433 ========================================================================== */
2434
2435
2436 static inline NSRect
2437 ns_fix_rect_ibw (NSRect r, int fibw, int frame_pixel_width)
2438 /* --------------------------------------------------------------------------
2439 Under NS we draw internal borders inside fringes, and want full-width
2440 rendering to go all the way to edge. This function makes that correction.
2441 -------------------------------------------------------------------------- */
2442 {
2443 if (r.origin.y <= fibw+1)
2444 {
2445 r.size.height += r.origin.y;
2446 r.origin.y = 0;
2447 }
2448 if (r.origin.x <= fibw+1)
2449 {
2450 r.size.width += r.origin.x;
2451 r.origin.x = 0;
2452 }
2453 if (frame_pixel_width - (r.origin.x+r.size.width) <= fibw+1)
2454 r.size.width += fibw;
2455
2456 return r;
2457 }
2458
2459
2460 static int
2461 ns_get_glyph_string_clip_rect (struct glyph_string *s, NativeRectangle *nr)
2462 /* --------------------------------------------------------------------------
2463 Wrapper utility to account for internal border width on full-width lines,
2464 and allow top full-width rows to hit the frame top. nr should be pointer
2465 to two successive NSRects. Number of rects actually used is returned.
2466 -------------------------------------------------------------------------- */
2467 {
2468 int n = get_glyph_string_clip_rects (s, nr, 2);
2469 if (s->row->full_width_p)
2470 {
2471 *nr = ns_fix_rect_ibw (*nr, FRAME_INTERNAL_BORDER_WIDTH (s->f),
2472 FRAME_PIXEL_WIDTH (s->f));
2473 if (n == 2)
2474 *nr = ns_fix_rect_ibw (*(nr+1), FRAME_INTERNAL_BORDER_WIDTH (s->f),
2475 FRAME_PIXEL_WIDTH (s->f));
2476 }
2477 return n;
2478 }
2479
2480
2481 static void
2482 ns_draw_box (NSRect r, float thickness, NSColor *col, char left_p, char right_p)
2483 /* --------------------------------------------------------------------------
2484 Draw an unfilled rect inside r, optionally leaving left and/or right open.
2485 Note we can't just use an NSDrawRect command, because of the possibility
2486 of some sides not being drawn, and because the rect will be filled.
2487 -------------------------------------------------------------------------- */
2488 {
2489 NSRect s = r;
2490 [col set];
2491
2492 /* top, bottom */
2493 s.size.height = thickness;
2494 NSRectFill (s);
2495 s.origin.y += r.size.height - thickness;
2496 NSRectFill (s);
2497
2498 s.size.height = r.size.height;
2499 s.origin.y = r.origin.y;
2500
2501 /* left, right (optional) */
2502 s.size.width = thickness;
2503 if (left_p)
2504 NSRectFill (s);
2505 if (right_p)
2506 {
2507 s.origin.x += r.size.width - thickness;
2508 NSRectFill (s);
2509 }
2510 }
2511
2512
2513 static void
2514 ns_draw_relief (NSRect r, int thickness, char raised_p,
2515 char top_p, char bottom_p, char left_p, char right_p,
2516 struct glyph_string *s)
2517 /* --------------------------------------------------------------------------
2518 Draw a relief rect inside r, optionally leaving some sides open.
2519 Note we can't just use an NSDrawBezel command, because of the possibility
2520 of some sides not being drawn, and because the rect will be filled.
2521 -------------------------------------------------------------------------- */
2522 {
2523 static NSColor *baseCol = nil, *lightCol = nil, *darkCol = nil;
2524 NSColor *newBaseCol = nil;
2525 NSRect sr = r;
2526
2527 NSTRACE (ns_draw_relief);
2528
2529 /* set up colors */
2530
2531 if (s->face->use_box_color_for_shadows_p)
2532 {
2533 newBaseCol = ns_lookup_indexed_color (s->face->box_color, s->f);
2534 }
2535 /* else if (s->first_glyph->type == IMAGE_GLYPH
2536 && s->img->pixmap
2537 && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0))
2538 {
2539 newBaseCol = IMAGE_BACKGROUND (s->img, s->f, 0);
2540 } */
2541 else
2542 {
2543 newBaseCol = ns_lookup_indexed_color (s->face->background, s->f);
2544 }
2545
2546 if (newBaseCol == nil)
2547 newBaseCol = [NSColor grayColor];
2548
2549 if (newBaseCol != baseCol) /* TODO: better check */
2550 {
2551 [baseCol release];
2552 baseCol = [newBaseCol retain];
2553 [lightCol release];
2554 lightCol = [[baseCol highlightWithLevel: 0.2] retain];
2555 [darkCol release];
2556 darkCol = [[baseCol shadowWithLevel: 0.3] retain];
2557 }
2558
2559 [(raised_p ? lightCol : darkCol) set];
2560
2561 /* TODO: mitering. Using NSBezierPath doesn't work because of color switch. */
2562
2563 /* top */
2564 sr.size.height = thickness;
2565 if (top_p) NSRectFill (sr);
2566
2567 /* left */
2568 sr.size.height = r.size.height;
2569 sr.size.width = thickness;
2570 if (left_p) NSRectFill (sr);
2571
2572 [(raised_p ? darkCol : lightCol) set];
2573
2574 /* bottom */
2575 sr.size.width = r.size.width;
2576 sr.size.height = thickness;
2577 sr.origin.y += r.size.height - thickness;
2578 if (bottom_p) NSRectFill (sr);
2579
2580 /* right */
2581 sr.size.height = r.size.height;
2582 sr.origin.y = r.origin.y;
2583 sr.size.width = thickness;
2584 sr.origin.x += r.size.width - thickness;
2585 if (right_p) NSRectFill (sr);
2586 }
2587
2588
2589 static void
2590 ns_dumpglyphs_box_or_relief (struct glyph_string *s)
2591 /* --------------------------------------------------------------------------
2592 Function modeled after x_draw_glyph_string_box ().
2593 Sets up parameters for drawing.
2594 -------------------------------------------------------------------------- */
2595 {
2596 int right_x, last_x;
2597 char left_p, right_p;
2598 struct glyph *last_glyph;
2599 NSRect r;
2600 int thickness;
2601 struct face *face;
2602
2603 if (s->hl == DRAW_MOUSE_FACE)
2604 {
2605 face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
2606 if (!face)
2607 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2608 }
2609 else
2610 face = s->face;
2611
2612 thickness = face->box_line_width;
2613
2614 NSTRACE (ns_dumpglyphs_box_or_relief);
2615
2616 last_x = ((s->row->full_width_p && !s->w->pseudo_window_p)
2617 ? WINDOW_RIGHT_EDGE_X (s->w)
2618 : window_box_right (s->w, s->area));
2619 last_glyph = (s->cmp || s->img
2620 ? s->first_glyph : s->first_glyph + s->nchars-1);
2621
2622 right_x = ((s->row->full_width_p && s->extends_to_end_of_line_p
2623 ? last_x - 1 : min (last_x, s->x + s->background_width) - 1));
2624
2625 left_p = (s->first_glyph->left_box_line_p
2626 || (s->hl == DRAW_MOUSE_FACE
2627 && (s->prev == NULL || s->prev->hl != s->hl)));
2628 right_p = (last_glyph->right_box_line_p
2629 || (s->hl == DRAW_MOUSE_FACE
2630 && (s->next == NULL || s->next->hl != s->hl)));
2631
2632 r = NSMakeRect (s->x, s->y, right_x - s->x + 1, s->height);
2633
2634 /* expand full-width row over internal borders */
2635 if (s->row->full_width_p)
2636 r = ns_fix_rect_ibw (r, FRAME_INTERNAL_BORDER_WIDTH (s->f),
2637 FRAME_PIXEL_WIDTH (s->f));
2638
2639 /* TODO: Sometimes box_color is 0 and this seems wrong; should investigate. */
2640 if (s->face->box == FACE_SIMPLE_BOX && s->face->box_color)
2641 {
2642 ns_draw_box (r, abs (thickness),
2643 ns_lookup_indexed_color (face->box_color, s->f),
2644 left_p, right_p);
2645 }
2646 else
2647 {
2648 ns_draw_relief (r, abs (thickness), s->face->box == FACE_RAISED_BOX,
2649 1, 1, left_p, right_p, s);
2650 }
2651 }
2652
2653
2654 static void
2655 ns_maybe_dumpglyphs_background (struct glyph_string *s, char force_p)
2656 /* --------------------------------------------------------------------------
2657 Modeled after x_draw_glyph_string_background, which draws BG in
2658 certain cases. Others are left to the text rendering routine.
2659 -------------------------------------------------------------------------- */
2660 {
2661 NSTRACE (ns_maybe_dumpglyphs_background);
2662
2663 if (!s->background_filled_p/* || s->hl == DRAW_MOUSE_FACE*/)
2664 {
2665 int box_line_width = max (s->face->box_line_width, 0);
2666 if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width
2667 || s->font_not_found_p || s->extends_to_end_of_line_p || force_p)
2668 {
2669 struct face *face;
2670 if (s->hl == DRAW_MOUSE_FACE)
2671 {
2672 face = FACE_FROM_ID (s->f,
2673 MOUSE_HL_INFO (s->f)->mouse_face_face_id);
2674 if (!face)
2675 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2676 }
2677 else
2678 face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2679 if (!face->stipple)
2680 [(NS_FACE_BACKGROUND (face) != 0
2681 ? ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f)
2682 : FRAME_BACKGROUND_COLOR (s->f)) set];
2683 else
2684 {
2685 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (s->f);
2686 [[dpyinfo->bitmaps[face->stipple-1].img stippleMask] set];
2687 }
2688
2689 if (s->hl != DRAW_CURSOR)
2690 {
2691 NSRect r = NSMakeRect (s->x, s->y + box_line_width,
2692 s->background_width,
2693 s->height-2*box_line_width);
2694
2695 /* expand full-width row over internal borders */
2696 if (s->row->full_width_p)
2697 {
2698 int fibw = FRAME_INTERNAL_BORDER_WIDTH (s->f);
2699 if (r.origin.y <= fibw+1 + box_line_width)
2700 {
2701 r.size.height += r.origin.y;
2702 r.origin.y = 0;
2703 }
2704 if (r.origin.x <= fibw+1)
2705 {
2706 r.size.width += 2*r.origin.x;
2707 r.origin.x = 0;
2708 }
2709 if (FRAME_PIXEL_WIDTH (s->f) - (r.origin.x + r.size.width)
2710 <= fibw+1)
2711 r.size.width += fibw;
2712 }
2713
2714 NSRectFill (r);
2715 }
2716
2717 s->background_filled_p = 1;
2718 }
2719 }
2720 }
2721
2722
2723 static void
2724 ns_dumpglyphs_image (struct glyph_string *s, NSRect r)
2725 /* --------------------------------------------------------------------------
2726 Renders an image and associated borders.
2727 -------------------------------------------------------------------------- */
2728 {
2729 EmacsImage *img = s->img->pixmap;
2730 int box_line_vwidth = max (s->face->box_line_width, 0);
2731 int x = s->x, y = s->ybase - image_ascent (s->img, s->face, &s->slice);
2732 int bg_x, bg_y, bg_height;
2733 int th;
2734 char raised_p;
2735 NSRect br;
2736 struct face *face;
2737
2738 NSTRACE (ns_dumpglyphs_image);
2739
2740 if (s->face->box != FACE_NO_BOX
2741 && s->first_glyph->left_box_line_p && s->slice.x == 0)
2742 x += abs (s->face->box_line_width);
2743
2744 bg_x = x;
2745 bg_y = s->slice.y == 0 ? s->y : s->y + box_line_vwidth;
2746 bg_height = s->height;
2747 /* other terms have this, but was causing problems w/tabbar mode */
2748 /* - 2 * box_line_vwidth; */
2749
2750 if (s->slice.x == 0) x += s->img->hmargin;
2751 if (s->slice.y == 0) y += s->img->vmargin;
2752
2753 /* Draw BG: if we need larger area than image itself cleared, do that,
2754 otherwise, since we composite the image under NS (instead of mucking
2755 with its background color), we must clear just the image area. */
2756 if (s->hl == DRAW_MOUSE_FACE)
2757 {
2758 face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
2759 if (!face)
2760 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2761 }
2762 else
2763 face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2764
2765 if (s->hl == DRAW_CURSOR)
2766 [FRAME_CURSOR_COLOR (s->f) set];
2767 else
2768 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f) set];
2769
2770 if (bg_height > s->slice.height || s->img->hmargin || s->img->vmargin
2771 || s->img->mask || s->img->pixmap == 0 || s->width != s->background_width)
2772 {
2773 br = NSMakeRect (bg_x, bg_y, s->background_width, bg_height);
2774 s->background_filled_p = 1;
2775 }
2776 else
2777 {
2778 br = NSMakeRect (x, y, s->slice.width, s->slice.height);
2779 }
2780
2781 /* expand full-width row over internal borders */
2782 if (s->row->full_width_p)
2783 {
2784 int fibw = FRAME_INTERNAL_BORDER_WIDTH (s->f);
2785 if (br.origin.y <= fibw+1 + box_line_vwidth)
2786 {
2787 br.size.height += br.origin.y;
2788 br.origin.y = 0;
2789 }
2790 if (br.origin.x <= fibw+1 + box_line_vwidth)
2791 {
2792 br.size.width += br.origin.x;
2793 br.origin.x = 0;
2794 }
2795 if (FRAME_PIXEL_WIDTH (s->f) - (br.origin.x + br.size.width) <= fibw+1)
2796 br.size.width += fibw;
2797 }
2798
2799 NSRectFill (br);
2800
2801 /* Draw the image.. do we need to draw placeholder if img ==nil? */
2802 if (img != nil)
2803 [img compositeToPoint: NSMakePoint (x, y + s->slice.height)
2804 operation: NSCompositeSourceOver];
2805
2806 /* Draw relief, if requested */
2807 if (s->img->relief || s->hl ==DRAW_IMAGE_RAISED || s->hl ==DRAW_IMAGE_SUNKEN)
2808 {
2809 if (s->hl == DRAW_IMAGE_SUNKEN || s->hl == DRAW_IMAGE_RAISED)
2810 {
2811 th = tool_bar_button_relief >= 0 ?
2812 tool_bar_button_relief : DEFAULT_TOOL_BAR_BUTTON_RELIEF;
2813 raised_p = (s->hl == DRAW_IMAGE_RAISED);
2814 }
2815 else
2816 {
2817 th = abs (s->img->relief);
2818 raised_p = (s->img->relief > 0);
2819 }
2820
2821 r.origin.x = x - th;
2822 r.origin.y = y - th;
2823 r.size.width = s->slice.width + 2*th-1;
2824 r.size.height = s->slice.height + 2*th-1;
2825 ns_draw_relief (r, th, raised_p,
2826 s->slice.y == 0,
2827 s->slice.y + s->slice.height == s->img->height,
2828 s->slice.x == 0,
2829 s->slice.x + s->slice.width == s->img->width, s);
2830 }
2831
2832 /* If there is no mask, the background won't be seen,
2833 so draw a rectangle on the image for the cursor.
2834 Do this for all images, getting trancparency right is not reliable. */
2835 if (s->hl == DRAW_CURSOR)
2836 {
2837 int thickness = abs (s->img->relief);
2838 if (thickness == 0) thickness = 1;
2839 ns_draw_box (br, thickness, FRAME_CURSOR_COLOR (s->f), 1, 1);
2840 }
2841 }
2842
2843
2844 static void
2845 ns_dumpglyphs_stretch (struct glyph_string *s)
2846 {
2847 NSRect r[2];
2848 int n, i;
2849 struct face *face;
2850
2851 if (!s->background_filled_p)
2852 {
2853 n = ns_get_glyph_string_clip_rect (s, r);
2854 *r = NSMakeRect (s->x, s->y, s->background_width, s->height);
2855
2856 for (i=0; i<n; i++)
2857 {
2858 if (!s->row->full_width_p)
2859 {
2860 /* truncate to avoid overwriting fringe and/or scrollbar */
2861 int overrun = max (0, (s->x + s->background_width)
2862 - (WINDOW_BOX_RIGHT_EDGE_X (s->w)
2863 - WINDOW_RIGHT_FRINGE_WIDTH (s->w)));
2864 r[i].size.width -= overrun;
2865
2866 /* XXX: Try to work between problem where a stretch glyph on
2867 a partially-visible bottom row will clear part of the
2868 modeline, and another where list-buffers headers and similar
2869 rows erroneously have visible_height set to 0. Not sure
2870 where this is coming from as other terms seem not to show. */
2871 r[i].size.height = min (s->height, s->row->visible_height);
2872 }
2873
2874 /* expand full-width rows over internal borders */
2875 else
2876 {
2877 r[i] = ns_fix_rect_ibw (r[i], FRAME_INTERNAL_BORDER_WIDTH (s->f),
2878 FRAME_PIXEL_WIDTH (s->f));
2879 }
2880
2881 /* NOTE: under NS this is NOT used to draw cursors, but we must avoid
2882 overwriting cursor (usually when cursor on a tab) */
2883 if (s->hl == DRAW_CURSOR)
2884 {
2885 r[i].origin.x += s->width;
2886 r[i].size.width -= s->width;
2887 }
2888 }
2889
2890 ns_focus (s->f, r, n);
2891
2892 if (s->hl == DRAW_MOUSE_FACE)
2893 {
2894 face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
2895 if (!face)
2896 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2897 }
2898 else
2899 face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2900
2901 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f) set];
2902
2903 NSRectFill (r[0]);
2904 NSRectFill (r[1]);
2905 ns_unfocus (s->f);
2906 s->background_filled_p = 1;
2907 }
2908 }
2909
2910
2911 static void
2912 ns_draw_glyph_string (struct glyph_string *s)
2913 /* --------------------------------------------------------------------------
2914 External (RIF): Main draw-text call.
2915 -------------------------------------------------------------------------- */
2916 {
2917 /* TODO (optimize): focus for box and contents draw */
2918 NSRect r[2];
2919 int n;
2920 char box_drawn_p = 0;
2921
2922 NSTRACE (ns_draw_glyph_string);
2923
2924 if (s->next && s->right_overhang && !s->for_overlaps/*&&s->hl!=DRAW_CURSOR*/)
2925 {
2926 int width;
2927 struct glyph_string *next;
2928
2929 for (width = 0, next = s->next;
2930 next && width < s->right_overhang;
2931 width += next->width, next = next->next)
2932 if (next->first_glyph->type != IMAGE_GLYPH)
2933 {
2934 if (next->first_glyph->type != STRETCH_GLYPH)
2935 {
2936 n = ns_get_glyph_string_clip_rect (s->next, r);
2937 ns_focus (s->f, r, n);
2938 ns_maybe_dumpglyphs_background (s->next, 1);
2939 ns_unfocus (s->f);
2940 }
2941 else
2942 {
2943 ns_dumpglyphs_stretch (s->next);
2944 }
2945 next->num_clips = 0;
2946 }
2947 }
2948
2949 if (!s->for_overlaps && s->face->box != FACE_NO_BOX
2950 && (s->first_glyph->type == CHAR_GLYPH
2951 || s->first_glyph->type == COMPOSITE_GLYPH))
2952 {
2953 n = ns_get_glyph_string_clip_rect (s, r);
2954 ns_focus (s->f, r, n);
2955 ns_maybe_dumpglyphs_background (s, 1);
2956 ns_dumpglyphs_box_or_relief (s);
2957 ns_unfocus (s->f);
2958 box_drawn_p = 1;
2959 }
2960
2961 switch (s->first_glyph->type)
2962 {
2963
2964 case IMAGE_GLYPH:
2965 n = ns_get_glyph_string_clip_rect (s, r);
2966 ns_focus (s->f, r, n);
2967 ns_dumpglyphs_image (s, r[0]);
2968 ns_unfocus (s->f);
2969 break;
2970
2971 case STRETCH_GLYPH:
2972 ns_dumpglyphs_stretch (s);
2973 break;
2974
2975 case CHAR_GLYPH:
2976 case COMPOSITE_GLYPH:
2977 n = ns_get_glyph_string_clip_rect (s, r);
2978 ns_focus (s->f, r, n);
2979
2980 if (s->for_overlaps || (s->cmp_from > 0
2981 && ! s->first_glyph->u.cmp.automatic))
2982 s->background_filled_p = 1;
2983 else
2984 ns_maybe_dumpglyphs_background
2985 (s, s->first_glyph->type == COMPOSITE_GLYPH);
2986
2987 ns_tmp_flags = s->hl == DRAW_CURSOR ? NS_DUMPGLYPH_CURSOR :
2988 (s->hl == DRAW_MOUSE_FACE ? NS_DUMPGLYPH_MOUSEFACE :
2989 (s->for_overlaps ? NS_DUMPGLYPH_FOREGROUND :
2990 NS_DUMPGLYPH_NORMAL));
2991 ns_tmp_font = (struct nsfont_info *)s->face->font;
2992 if (ns_tmp_font == NULL)
2993 ns_tmp_font = (struct nsfont_info *)FRAME_FONT (s->f);
2994
2995 if (s->hl == DRAW_CURSOR && s->w->phys_cursor_type == FILLED_BOX_CURSOR)
2996 {
2997 unsigned long tmp = NS_FACE_BACKGROUND (s->face);
2998 NS_FACE_BACKGROUND (s->face) = NS_FACE_FOREGROUND (s->face);
2999 NS_FACE_FOREGROUND (s->face) = tmp;
3000 }
3001
3002 ns_tmp_font->font.driver->draw
3003 (s, 0, s->nchars, s->x, s->y,
3004 (ns_tmp_flags == NS_DUMPGLYPH_NORMAL && !s->background_filled_p)
3005 || ns_tmp_flags == NS_DUMPGLYPH_MOUSEFACE);
3006
3007 if (s->hl == DRAW_CURSOR && s->w->phys_cursor_type == FILLED_BOX_CURSOR)
3008 {
3009 unsigned long tmp = NS_FACE_BACKGROUND (s->face);
3010 NS_FACE_BACKGROUND (s->face) = NS_FACE_FOREGROUND (s->face);
3011 NS_FACE_FOREGROUND (s->face) = tmp;
3012 }
3013
3014 ns_unfocus (s->f);
3015 break;
3016
3017 case GLYPHLESS_GLYPH:
3018 n = ns_get_glyph_string_clip_rect (s, r);
3019 ns_focus (s->f, r, n);
3020
3021 if (s->for_overlaps || (s->cmp_from > 0
3022 && ! s->first_glyph->u.cmp.automatic))
3023 s->background_filled_p = 1;
3024 else
3025 ns_maybe_dumpglyphs_background
3026 (s, s->first_glyph->type == COMPOSITE_GLYPH);
3027 /* ... */
3028 /* Not yet implemented. */
3029 /* ... */
3030 ns_unfocus (s->f);
3031 break;
3032
3033 default:
3034 abort ();
3035 }
3036
3037 /* Draw box if not done already. */
3038 if (!s->for_overlaps && !box_drawn_p && s->face->box != FACE_NO_BOX)
3039 {
3040 n = ns_get_glyph_string_clip_rect (s, r);
3041 ns_focus (s->f, r, n);
3042 ns_dumpglyphs_box_or_relief (s);
3043 ns_unfocus (s->f);
3044 }
3045
3046 s->num_clips = 0;
3047 }
3048
3049
3050
3051 /* ==========================================================================
3052
3053 Event loop
3054
3055 ========================================================================== */
3056
3057
3058 static void
3059 ns_send_appdefined (int value)
3060 /* --------------------------------------------------------------------------
3061 Internal: post an appdefined event which EmacsApp-sendEvent will
3062 recognize and take as a command to halt the event loop.
3063 -------------------------------------------------------------------------- */
3064 {
3065 /*NSTRACE (ns_send_appdefined); */
3066
3067 /* Only post this event if we haven't already posted one. This will end
3068 the [NXApp run] main loop after having processed all events queued at
3069 this moment. */
3070 if (send_appdefined)
3071 {
3072 NSEvent *nxev;
3073
3074 /* We only need one NX_APPDEFINED event to stop NXApp from running. */
3075 send_appdefined = NO;
3076
3077 /* Don't need wakeup timer any more */
3078 if (timed_entry)
3079 {
3080 [timed_entry invalidate];
3081 [timed_entry release];
3082 timed_entry = nil;
3083 }
3084
3085 /* Ditto for file descriptor poller */
3086 if (fd_entry)
3087 {
3088 [fd_entry invalidate];
3089 [fd_entry release];
3090 fd_entry = nil;
3091 }
3092
3093 nxev = [NSEvent otherEventWithType: NSApplicationDefined
3094 location: NSMakePoint (0, 0)
3095 modifierFlags: 0
3096 timestamp: 0
3097 windowNumber: [[NSApp mainWindow] windowNumber]
3098 context: [NSApp context]
3099 subtype: 0
3100 data1: value
3101 data2: 0];
3102
3103 /* Post an application defined event on the event queue. When this is
3104 received the [NXApp run] will return, thus having processed all
3105 events which are currently queued. */
3106 [NSApp postEvent: nxev atStart: NO];
3107 }
3108 }
3109
3110
3111 static int
3112 ns_read_socket (struct terminal *terminal, int expected,
3113 struct input_event *hold_quit)
3114 /* --------------------------------------------------------------------------
3115 External (hook): Post an event to ourself and keep reading events until
3116 we read it back again. In effect process all events which were waiting.
3117 From 21+ we have to manage the event buffer ourselves.
3118 -------------------------------------------------------------------------- */
3119 {
3120 struct input_event ev;
3121 int nevents;
3122
3123 /* NSTRACE (ns_read_socket); */
3124
3125 if (interrupt_input_blocked)
3126 {
3127 interrupt_input_pending = 1;
3128 #ifdef SYNC_INPUT
3129 pending_signals = 1;
3130 #endif
3131 return -1;
3132 }
3133
3134 interrupt_input_pending = 0;
3135 #ifdef SYNC_INPUT
3136 pending_signals = pending_atimers;
3137 #endif
3138
3139 BLOCK_INPUT;
3140 n_emacs_events_pending = 0;
3141 EVENT_INIT (ev);
3142 emacs_event = &ev;
3143 q_event_ptr = hold_quit;
3144
3145 /* we manage autorelease pools by allocate/reallocate each time around
3146 the loop; strict nesting is occasionally violated but seems not to
3147 matter.. earlier methods using full nesting caused major memory leaks */
3148 [outerpool release];
3149 outerpool = [[NSAutoreleasePool alloc] init];
3150
3151 /* If have pending open-file requests, attend to the next one of those. */
3152 if (ns_pending_files && [ns_pending_files count] != 0
3153 && [(EmacsApp *)NSApp openFile: [ns_pending_files objectAtIndex: 0]])
3154 {
3155 [ns_pending_files removeObjectAtIndex: 0];
3156 }
3157 /* Deal with pending service requests. */
3158 else if (ns_pending_service_names && [ns_pending_service_names count] != 0
3159 && [(EmacsApp *)
3160 NSApp fulfillService: [ns_pending_service_names objectAtIndex: 0]
3161 withArg: [ns_pending_service_args objectAtIndex: 0]])
3162 {
3163 [ns_pending_service_names removeObjectAtIndex: 0];
3164 [ns_pending_service_args removeObjectAtIndex: 0];
3165 }
3166 else
3167 {
3168 /* Run and wait for events. We must always send one NX_APPDEFINED event
3169 to ourself, otherwise [NXApp run] will never exit. */
3170 send_appdefined = YES;
3171
3172 /* If called via ns_select, this is called once with expected=1,
3173 because we expect either the timeout or file descriptor activity.
3174 In this case the first event through will either be real input or
3175 one of these. read_avail_input() then calls once more with expected=0
3176 and in that case we need to return quickly if there is nothing.
3177 If we're being called outside of that, it's also OK to return quickly
3178 after one iteration through the event loop, since other terms do
3179 this and emacs expects it. */
3180 if (!(inNsSelect && expected))
3181 {
3182 /* Post an application defined event on the event queue. When this is
3183 received the [NXApp run] will return, thus having processed all
3184 events which are currently queued, if any. */
3185 ns_send_appdefined (-1);
3186 }
3187
3188 [NSApp run];
3189 }
3190
3191 nevents = n_emacs_events_pending;
3192 n_emacs_events_pending = 0;
3193 emacs_event = q_event_ptr = NULL;
3194 UNBLOCK_INPUT;
3195
3196 return nevents;
3197 }
3198
3199
3200 int
3201 ns_select (int nfds, fd_set *readfds, fd_set *writefds,
3202 fd_set *exceptfds, struct timeval *timeout)
3203 /* --------------------------------------------------------------------------
3204 Replacement for select, checking for events
3205 -------------------------------------------------------------------------- */
3206 {
3207 int result;
3208 double time;
3209 NSEvent *ev;
3210 /* NSTRACE (ns_select); */
3211
3212 if (NSApp == nil || inNsSelect == 1 /* || ([NSApp isActive] == NO &&
3213 [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:nil
3214 inMode:NSDefaultRunLoopMode dequeue:NO] == nil) */)
3215 return select (nfds, readfds, writefds, exceptfds, timeout);
3216
3217 /* Save file descriptor set, which gets overwritten in calls to select ()
3218 Note, this is called from process.c, and only readfds is ever set */
3219 if (readfds)
3220 {
3221 memcpy (&select_readfds, readfds, sizeof (fd_set));
3222 select_nfds = nfds;
3223 }
3224 else
3225 select_nfds = 0;
3226
3227 /* Try an initial select for pending data on input files */
3228 select_timeout.tv_sec = select_timeout.tv_usec = 0;
3229 result = select (nfds, readfds, writefds, exceptfds, &select_timeout);
3230 if (result)
3231 return result;
3232
3233 /* if (!timeout || timed_entry || fd_entry)
3234 fprintf (stderr, "assertion failed: timeout null or timed_entry/fd_entry non-null in ns_select\n"); */
3235
3236 /* set a timeout and run the main AppKit event loop while continuing
3237 to monitor the files */
3238 time = ((double) timeout->tv_sec) + ((double) timeout->tv_usec)/1000000.0;
3239 timed_entry = [[NSTimer scheduledTimerWithTimeInterval: time
3240 target: NSApp
3241 selector: @selector (timeout_handler:)
3242 userInfo: 0
3243 repeats: YES] /* for safe removal */
3244 retain];
3245
3246 /* set a periodic task to try the select () again */
3247 fd_entry = [[NSTimer scheduledTimerWithTimeInterval: 0.1
3248 target: NSApp
3249 selector: @selector (fd_handler:)
3250 userInfo: 0
3251 repeats: YES]
3252 retain];
3253
3254 /* Let Application dispatch events until it receives an event of the type
3255 NX_APPDEFINED, which should only be sent by timeout_handler.
3256 We tell read_avail_input() that input is "expected" because we do expect
3257 either the timeout or fd handler to fire, and if they don't, the original
3258 call from process.c that got us here expects us to wait until some input
3259 comes. */
3260 inNsSelect = 1;
3261 gobble_input (1);
3262 ev = last_appdefined_event;
3263 inNsSelect = 0;
3264
3265 if (ev)
3266 {
3267 int t;
3268 if ([ev type] != NSApplicationDefined)
3269 abort ();
3270
3271 t = [ev data1];
3272 last_appdefined_event = 0;
3273
3274 if (t == -2)
3275 {
3276 /* The NX_APPDEFINED event we received was a timeout. */
3277 return 0;
3278 }
3279 else if (t == -1)
3280 {
3281 /* The NX_APPDEFINED event we received was the result of
3282 at least one real input event arriving. */
3283 errno = EINTR;
3284 return -1;
3285 }
3286 else
3287 {
3288 /* Received back from select () in fd_handler; copy the results */
3289 if (readfds)
3290 memcpy (readfds, &select_readfds, sizeof (fd_set));
3291 return t;
3292 }
3293 }
3294 /* never reached, shut compiler up */
3295 return 0;
3296 }
3297
3298
3299
3300 /* ==========================================================================
3301
3302 Scrollbar handling
3303
3304 ========================================================================== */
3305
3306
3307 static void
3308 ns_set_vertical_scroll_bar (struct window *window,
3309 int portion, int whole, int position)
3310 /* --------------------------------------------------------------------------
3311 External (hook): Update or add scrollbar
3312 -------------------------------------------------------------------------- */
3313 {
3314 Lisp_Object win;
3315 NSRect r, v;
3316 struct frame *f = XFRAME (WINDOW_FRAME (window));
3317 EmacsView *view = FRAME_NS_VIEW (f);
3318 int window_y, window_height;
3319 BOOL barOnVeryLeft, barOnVeryRight;
3320 int top, left, height, width, sb_width, sb_left;
3321 EmacsScroller *bar;
3322 static int count = 0;
3323
3324 /* optimization; display engine sends WAY too many of these.. */
3325 if (!NILP (window->vertical_scroll_bar))
3326 {
3327 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3328 if ([bar checkSamePosition: position portion: portion whole: whole])
3329 {
3330 if (view->scrollbarsNeedingUpdate == 0)
3331 {
3332 if (!windows_or_buffers_changed)
3333 return;
3334 }
3335 else
3336 view->scrollbarsNeedingUpdate--;
3337 }
3338 }
3339
3340 NSTRACE (ns_set_vertical_scroll_bar);
3341
3342 /* Get dimensions. */
3343 window_box (window, -1, 0, &window_y, 0, &window_height);
3344 top = window_y;
3345 height = window_height;
3346 width = WINDOW_CONFIG_SCROLL_BAR_COLS (window) * FRAME_COLUMN_WIDTH (f);
3347 left = WINDOW_SCROLL_BAR_AREA_X (window);
3348
3349 if (top < 5) /* top scrollbar adjustment */
3350 {
3351 top -= FRAME_INTERNAL_BORDER_WIDTH (f);
3352 height += FRAME_INTERNAL_BORDER_WIDTH (f);
3353 }
3354
3355 /* allow for displaying a skinnier scrollbar than char area allotted */
3356 sb_width = (WINDOW_CONFIG_SCROLL_BAR_WIDTH (window) > 0) ?
3357 WINDOW_CONFIG_SCROLL_BAR_WIDTH (window) : width;
3358
3359 barOnVeryLeft = left < 5;
3360 barOnVeryRight = FRAME_PIXEL_WIDTH (f) - left - width < 5;
3361 sb_left = left + FRAME_INTERNAL_BORDER_WIDTH (f)
3362 * (barOnVeryLeft ? -1 : (barOnVeryRight ? 1 : 0));
3363
3364 r = NSMakeRect (sb_left, top, sb_width, height);
3365 /* the parent view is flipped, so we need to flip y value */
3366 v = [view frame];
3367 r.origin.y = (v.size.height - r.size.height - r.origin.y);
3368
3369 XSETWINDOW (win, window);
3370 BLOCK_INPUT;
3371
3372 /* we want at least 5 lines to display a scrollbar */
3373 if (WINDOW_TOTAL_LINES (window) < 5)
3374 {
3375 if (!NILP (window->vertical_scroll_bar))
3376 {
3377 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3378 [bar removeFromSuperview];
3379 window->vertical_scroll_bar = Qnil;
3380 }
3381 ns_clear_frame_area (f, sb_left, top, width, height);
3382 UNBLOCK_INPUT;
3383 return;
3384 }
3385
3386 if (NILP (window->vertical_scroll_bar))
3387 {
3388 ns_clear_frame_area (f, sb_left, top, width, height);
3389 bar = [[EmacsScroller alloc] initFrame: r window: win];
3390 window->vertical_scroll_bar = make_save_value (bar, 0);
3391 }
3392 else
3393 {
3394 NSRect oldRect;
3395 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3396 oldRect = [bar frame];
3397 r.size.width = oldRect.size.width;
3398 if (FRAME_LIVE_P (f) && !NSEqualRects (oldRect, r))
3399 {
3400 if (oldRect.origin.x != r.origin.x)
3401 ns_clear_frame_area (f, sb_left, top, width, height);
3402 [bar setFrame: r];
3403 }
3404 }
3405
3406 [bar setPosition: position portion: portion whole: whole];
3407 UNBLOCK_INPUT;
3408 }
3409
3410
3411 static void
3412 ns_condemn_scroll_bars (struct frame *f)
3413 /* --------------------------------------------------------------------------
3414 External (hook): arrange for all frame's scrollbars to be removed
3415 at next call to judge_scroll_bars, except for those redeemed.
3416 -------------------------------------------------------------------------- */
3417 {
3418 int i;
3419 id view;
3420 NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
3421
3422 NSTRACE (ns_condemn_scroll_bars);
3423
3424 for (i =[subviews count]-1; i >= 0; i--)
3425 {
3426 view = [subviews objectAtIndex: i];
3427 if ([view isKindOfClass: [EmacsScroller class]])
3428 [view condemn];
3429 }
3430 }
3431
3432
3433 static void
3434 ns_redeem_scroll_bar (struct window *window)
3435 /* --------------------------------------------------------------------------
3436 External (hook): arrange to spare this window's scrollbar
3437 at next call to judge_scroll_bars.
3438 -------------------------------------------------------------------------- */
3439 {
3440 id bar;
3441 NSTRACE (ns_redeem_scroll_bar);
3442 if (!NILP (window->vertical_scroll_bar))
3443 {
3444 bar =XNS_SCROLL_BAR (window->vertical_scroll_bar);
3445 [bar reprieve];
3446 }
3447 }
3448
3449
3450 static void
3451 ns_judge_scroll_bars (struct frame *f)
3452 /* --------------------------------------------------------------------------
3453 External (hook): destroy all scrollbars on frame that weren't
3454 redeemed after call to condemn_scroll_bars.
3455 -------------------------------------------------------------------------- */
3456 {
3457 int i;
3458 id view;
3459 NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
3460 NSTRACE (ns_judge_scroll_bars);
3461 for (i =[subviews count]-1; i >= 0; i--)
3462 {
3463 view = [subviews objectAtIndex: i];
3464 if (![view isKindOfClass: [EmacsScroller class]]) continue;
3465 [view judge];
3466 }
3467 }
3468
3469
3470 void
3471 x_wm_set_icon_position (struct frame *f, int icon_x, int icon_y)
3472 {
3473 /* XXX irrelevant under NS */
3474 }
3475
3476
3477
3478 /* ==========================================================================
3479
3480 Initialization
3481
3482 ========================================================================== */
3483
3484 int
3485 x_display_pixel_height (struct ns_display_info *dpyinfo)
3486 {
3487 NSScreen *screen = [NSScreen mainScreen];
3488 return [screen frame].size.height;
3489 }
3490
3491 int
3492 x_display_pixel_width (struct ns_display_info *dpyinfo)
3493 {
3494 NSScreen *screen = [NSScreen mainScreen];
3495 return [screen frame].size.width;
3496 }
3497
3498
3499 static Lisp_Object ns_string_to_lispmod (const char *s)
3500 /* --------------------------------------------------------------------------
3501 Convert modifier name to lisp symbol
3502 -------------------------------------------------------------------------- */
3503 {
3504 if (!strncmp (SDATA (SYMBOL_NAME (Qmeta)), s, 10))
3505 return Qmeta;
3506 else if (!strncmp (SDATA (SYMBOL_NAME (Qsuper)), s, 10))
3507 return Qsuper;
3508 else if (!strncmp (SDATA (SYMBOL_NAME (Qcontrol)), s, 10))
3509 return Qcontrol;
3510 else if (!strncmp (SDATA (SYMBOL_NAME (Qalt)), s, 10))
3511 return Qalt;
3512 else if (!strncmp (SDATA (SYMBOL_NAME (Qhyper)), s, 10))
3513 return Qhyper;
3514 else if (!strncmp (SDATA (SYMBOL_NAME (Qnone)), s, 10))
3515 return Qnone;
3516 else
3517 return Qnil;
3518 }
3519
3520
3521 static Lisp_Object ns_mod_to_lisp (int m)
3522 /* --------------------------------------------------------------------------
3523 Convert modifier code (see lisp.h) to lisp symbol
3524 -------------------------------------------------------------------------- */
3525 {
3526 if (m == CHAR_META)
3527 return Qmeta;
3528 else if (m == CHAR_SUPER)
3529 return Qsuper;
3530 else if (m == CHAR_CTL)
3531 return Qcontrol;
3532 else if (m == CHAR_ALT)
3533 return Qalt;
3534 else if (m == CHAR_HYPER)
3535 return Qhyper;
3536 else /* if (m == 0) */
3537 return Qnone;
3538 }
3539
3540
3541 static void
3542 ns_default (const char *parameter, Lisp_Object *result,
3543 Lisp_Object yesval, Lisp_Object noval,
3544 BOOL is_float, BOOL is_modstring)
3545 /* --------------------------------------------------------------------------
3546 Check a parameter value in user's preferences
3547 -------------------------------------------------------------------------- */
3548 {
3549 const char *value;
3550
3551 if ( (value =[[[NSUserDefaults standardUserDefaults]
3552 stringForKey: [NSString stringWithUTF8String: parameter]]
3553 UTF8String]) )
3554 {
3555 double f;
3556 char *pos;
3557 if (strcasecmp (value, "YES") == 0)
3558 *result = yesval;
3559 else if (strcasecmp (value, "NO") == 0)
3560 *result = noval;
3561 else if (is_float && (f = strtod (value, &pos), pos != value))
3562 *result = make_float (f);
3563 else if (is_modstring && value)
3564 *result = ns_string_to_lispmod (value);
3565 else fprintf (stderr,
3566 "Bad value for default \"%s\": \"%s\"\n", parameter, value);
3567 }
3568 }
3569
3570
3571 void
3572 ns_initialize_display_info (struct ns_display_info *dpyinfo)
3573 /* --------------------------------------------------------------------------
3574 Initialize global info and storage for display.
3575 -------------------------------------------------------------------------- */
3576 {
3577 NSScreen *screen = [NSScreen mainScreen];
3578 NSWindowDepth depth = [screen depth];
3579 Mouse_HLInfo *hlinfo = &dpyinfo->mouse_highlight;
3580
3581 dpyinfo->resx = 72.27; /* used 75.0, but this makes pt == pixel, expected */
3582 dpyinfo->resy = 72.27;
3583 dpyinfo->color_p = ![NSDeviceWhiteColorSpace isEqualToString:
3584 NSColorSpaceFromDepth (depth)]
3585 && ![NSCalibratedWhiteColorSpace isEqualToString:
3586 NSColorSpaceFromDepth (depth)];
3587 dpyinfo->n_planes = NSBitsPerPixelFromDepth (depth);
3588 dpyinfo->image_cache = make_image_cache ();
3589 dpyinfo->color_table
3590 = (struct ns_color_table *)xmalloc (sizeof (struct ns_color_table));
3591 dpyinfo->color_table->colors = NULL;
3592 dpyinfo->root_window = 42; /* a placeholder.. */
3593
3594 hlinfo->mouse_face_mouse_frame = NULL;
3595 hlinfo->mouse_face_deferred_gc = 0;
3596 hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1;
3597 hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1;
3598 hlinfo->mouse_face_face_id = DEFAULT_FACE_ID;
3599 hlinfo->mouse_face_window = hlinfo->mouse_face_overlay = Qnil;
3600 hlinfo->mouse_face_hidden = 0;
3601
3602 hlinfo->mouse_face_mouse_x = hlinfo->mouse_face_mouse_y = 0;
3603 hlinfo->mouse_face_defer = 0;
3604
3605 dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame = NULL;
3606
3607 dpyinfo->n_fonts = 0;
3608 dpyinfo->smallest_font_height = 1;
3609 dpyinfo->smallest_char_width = 1;
3610 }
3611
3612
3613 /* This and next define (many of the) public functions in this file. */
3614 /* x_... are generic versions in xdisp.c that we, and other terms, get away
3615 with using despite presence in the "system dependent" redisplay
3616 interface. In addition, many of the ns_ methods have code that is
3617 shared with all terms, indicating need for further refactoring. */
3618 extern frame_parm_handler ns_frame_parm_handlers[];
3619 static struct redisplay_interface ns_redisplay_interface =
3620 {
3621 ns_frame_parm_handlers,
3622 x_produce_glyphs,
3623 x_write_glyphs,
3624 x_insert_glyphs,
3625 x_clear_end_of_line,
3626 ns_scroll_run,
3627 ns_after_update_window_line,
3628 ns_update_window_begin,
3629 ns_update_window_end,
3630 x_cursor_to,
3631 ns_flush,
3632 0, /* flush_display_optional */
3633 x_clear_window_mouse_face,
3634 x_get_glyph_overhangs,
3635 x_fix_overlapping_area,
3636 ns_draw_fringe_bitmap,
3637 0, /* define_fringe_bitmap */ /* FIXME: simplify ns_draw_fringe_bitmap */
3638 0, /* destroy_fringe_bitmap */
3639 ns_compute_glyph_string_overhangs,
3640 ns_draw_glyph_string, /* interface to nsfont.m */
3641 ns_define_frame_cursor,
3642 ns_clear_frame_area,
3643 ns_draw_window_cursor,
3644 ns_draw_vertical_window_border,
3645 ns_shift_glyphs_for_insert
3646 };
3647
3648
3649 static void
3650 ns_delete_display (struct ns_display_info *dpyinfo)
3651 {
3652 /* TODO... */
3653 }
3654
3655
3656 /* This function is called when the last frame on a display is deleted. */
3657 static void
3658 ns_delete_terminal (struct terminal *terminal)
3659 {
3660 struct ns_display_info *dpyinfo = terminal->display_info.ns;
3661 int i;
3662
3663 /* Protect against recursive calls. delete_frame in
3664 delete_terminal calls us back when it deletes our last frame. */
3665 if (!terminal->name)
3666 return;
3667
3668 BLOCK_INPUT;
3669
3670 x_destroy_all_bitmaps (dpyinfo);
3671 ns_delete_display (dpyinfo);
3672 UNBLOCK_INPUT;
3673 }
3674
3675
3676 static struct terminal *
3677 ns_create_terminal (struct ns_display_info *dpyinfo)
3678 /* --------------------------------------------------------------------------
3679 Set up use of NS before we make the first connection.
3680 -------------------------------------------------------------------------- */
3681 {
3682 struct terminal *terminal;
3683
3684 NSTRACE (ns_create_terminal);
3685
3686 terminal = create_terminal ();
3687
3688 terminal->type = output_ns;
3689 terminal->display_info.ns = dpyinfo;
3690 dpyinfo->terminal = terminal;
3691
3692 terminal->rif = &ns_redisplay_interface;
3693
3694 terminal->clear_frame_hook = ns_clear_frame;
3695 terminal->ins_del_lines_hook = 0; /* XXX vestigial? */
3696 terminal->delete_glyphs_hook = 0; /* XXX vestigial? */
3697 terminal->ring_bell_hook = ns_ring_bell;
3698 terminal->reset_terminal_modes_hook = ns_reset_terminal_modes;
3699 terminal->set_terminal_modes_hook = ns_set_terminal_modes;
3700 terminal->update_begin_hook = ns_update_begin;
3701 terminal->update_end_hook = ns_update_end;
3702 terminal->set_terminal_window_hook = NULL; /* XXX vestigial? */
3703 terminal->read_socket_hook = ns_read_socket;
3704 terminal->frame_up_to_date_hook = ns_frame_up_to_date;
3705 terminal->mouse_position_hook = ns_mouse_position;
3706 terminal->frame_rehighlight_hook = ns_frame_rehighlight;
3707 terminal->frame_raise_lower_hook = ns_frame_raise_lower;
3708
3709 terminal->fullscreen_hook = 0; /* see XTfullscreen_hook */
3710
3711 terminal->set_vertical_scroll_bar_hook = ns_set_vertical_scroll_bar;
3712 terminal->condemn_scroll_bars_hook = ns_condemn_scroll_bars;
3713 terminal->redeem_scroll_bar_hook = ns_redeem_scroll_bar;
3714 terminal->judge_scroll_bars_hook = ns_judge_scroll_bars;
3715
3716 terminal->delete_frame_hook = x_destroy_window;
3717 terminal->delete_terminal_hook = ns_delete_terminal;
3718
3719 terminal->scroll_region_ok = 1;
3720 terminal->char_ins_del_ok = 1;
3721 terminal->line_ins_del_ok = 1;
3722 terminal->fast_clear_end_of_line = 1;
3723 terminal->memory_below_frame = 0;
3724
3725 return terminal;
3726 }
3727
3728
3729 struct ns_display_info *
3730 ns_term_init (Lisp_Object display_name)
3731 /* --------------------------------------------------------------------------
3732 Start the Application and get things rolling.
3733 -------------------------------------------------------------------------- */
3734 {
3735 struct terminal *terminal;
3736 struct ns_display_info *dpyinfo;
3737 static int ns_initialized = 0;
3738 Lisp_Object tmp;
3739
3740 NSTRACE (ns_term_init);
3741
3742 /* count object allocs (About, click icon); on OS X use ObjectAlloc tool */
3743 /*GSDebugAllocationActive (YES); */
3744 BLOCK_INPUT;
3745 handling_signal = 0;
3746
3747 if (!ns_initialized)
3748 {
3749 baud_rate = 38400;
3750 Fset_input_interrupt_mode (Qnil);
3751 ns_initialized = 1;
3752 }
3753
3754 ns_pending_files = [[NSMutableArray alloc] init];
3755 ns_pending_service_names = [[NSMutableArray alloc] init];
3756 ns_pending_service_args = [[NSMutableArray alloc] init];
3757
3758 /* Start app and create the main menu, window, view.
3759 Needs to be here because ns_initialize_display_info () uses AppKit classes.
3760 The view will then ask the NSApp to stop and return to Emacs. */
3761 [EmacsApp sharedApplication];
3762 if (NSApp == nil)
3763 return NULL;
3764 [NSApp setDelegate: NSApp];
3765
3766 /* debugging: log all notifications */
3767 /* [[NSNotificationCenter defaultCenter] addObserver: NSApp
3768 selector: @selector (logNotification:)
3769 name: nil object: nil]; */
3770
3771 dpyinfo = (struct ns_display_info *)xmalloc (sizeof (struct ns_display_info));
3772 memset (dpyinfo, 0, sizeof (struct ns_display_info));
3773
3774 ns_initialize_display_info (dpyinfo);
3775 terminal = ns_create_terminal (dpyinfo);
3776
3777 terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
3778 init_kboard (terminal->kboard);
3779 terminal->kboard->Vwindow_system = Qns;
3780 terminal->kboard->next_kboard = all_kboards;
3781 all_kboards = terminal->kboard;
3782 /* Don't let the initial kboard remain current longer than necessary.
3783 That would cause problems if a file loaded on startup tries to
3784 prompt in the mini-buffer. */
3785 if (current_kboard == initial_kboard)
3786 current_kboard = terminal->kboard;
3787 terminal->kboard->reference_count++;
3788
3789 dpyinfo->next = x_display_list;
3790 x_display_list = dpyinfo;
3791
3792 /* Put it on ns_display_name_list */
3793 ns_display_name_list = Fcons (Fcons (display_name, Qnil),
3794 ns_display_name_list);
3795 dpyinfo->name_list_element = XCAR (ns_display_name_list);
3796
3797 /* Set the name of the terminal. */
3798 terminal->name = (char *) xmalloc (SBYTES (display_name) + 1);
3799 strncpy (terminal->name, SDATA (display_name), SBYTES (display_name));
3800 terminal->name[SBYTES (display_name)] = 0;
3801
3802 UNBLOCK_INPUT;
3803
3804 if (!inhibit_x_resources)
3805 {
3806 ns_default ("GSFontAntiAlias", &ns_antialias_text,
3807 Qt, Qnil, NO, NO);
3808 tmp = Qnil;
3809 /* this is a standard variable */
3810 ns_default ("AppleAntiAliasingThreshold", &tmp,
3811 make_float (10.0), make_float (6.0), YES, NO);
3812 ns_antialias_threshold = NILP (tmp) ? 10.0 : XFLOATINT (tmp);
3813 }
3814
3815 ns_selection_color = [[NSUserDefaults standardUserDefaults]
3816 stringForKey: @"AppleHighlightColor"];
3817 if (ns_selection_color == nil)
3818 ns_selection_color = NS_SELECTION_COLOR_DEFAULT;
3819
3820 {
3821 NSColorList *cl = [NSColorList colorListNamed: @"Emacs"];
3822
3823 if ( cl == nil )
3824 {
3825 Lisp_Object color_file, color_map, color;
3826 int r,g,b;
3827 unsigned long c;
3828 char *name;
3829
3830 color_file = Fexpand_file_name (build_string ("rgb.txt"),
3831 Fsymbol_value (intern ("data-directory")));
3832 if (NILP (Ffile_readable_p (color_file)))
3833 fatal ("Could not find %s.\n", SDATA (color_file));
3834
3835 color_map = Fx_load_color_file (color_file);
3836 if (NILP (color_map))
3837 fatal ("Could not read %s.\n", SDATA (color_file));
3838
3839 cl = [[NSColorList alloc] initWithName: @"Emacs"];
3840 for ( ; CONSP (color_map); color_map = XCDR (color_map))
3841 {
3842 color = XCAR (color_map);
3843 name = SDATA (XCAR (color));
3844 c = XINT (XCDR (color));
3845 [cl setColor:
3846 [NSColor colorWithCalibratedRed: RED_FROM_ULONG (c) / 255.0
3847 green: GREEN_FROM_ULONG (c) / 255.0
3848 blue: BLUE_FROM_ULONG (c) / 255.0
3849 alpha: 1.0]
3850 forKey: [NSString stringWithUTF8String: name]];
3851 }
3852 [cl writeToFile: nil];
3853 }
3854 }
3855
3856 {
3857 char c[128];
3858 #ifdef NS_IMPL_GNUSTEP
3859 strncpy (c, gnustep_base_version, sizeof (c));
3860 #else
3861 /*PSnextrelease (128, c); */
3862 snprintf (c, sizeof (c), "%g", NSAppKitVersionNumber);
3863 #endif
3864 Vwindow_system_version = build_string (c);
3865 }
3866
3867 delete_keyboard_wait_descriptor (0);
3868
3869 ns_app_name = [[NSProcessInfo processInfo] processName];
3870
3871 /* Set up OS X app menu */
3872 #ifdef NS_IMPL_COCOA
3873 {
3874 NSMenu *appMenu;
3875 NSMenuItem *item;
3876 /* set up the application menu */
3877 svcsMenu = [[EmacsMenu alloc] initWithTitle: @"Services"];
3878 [svcsMenu setAutoenablesItems: NO];
3879 appMenu = [[EmacsMenu alloc] initWithTitle: @"Emacs"];
3880 [appMenu setAutoenablesItems: NO];
3881 mainMenu = [[EmacsMenu alloc] initWithTitle: @""];
3882 dockMenu = [[EmacsMenu alloc] initWithTitle: @""];
3883
3884 [appMenu insertItemWithTitle: @"About Emacs"
3885 action: @selector (orderFrontStandardAboutPanel:)
3886 keyEquivalent: @""
3887 atIndex: 0];
3888 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 1];
3889 [appMenu insertItemWithTitle: @"Preferences..."
3890 action: @selector (showPreferencesWindow:)
3891 keyEquivalent: @","
3892 atIndex: 2];
3893 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 3];
3894 item = [appMenu insertItemWithTitle: @"Services"
3895 action: @selector (menuDown:)
3896 keyEquivalent: @""
3897 atIndex: 4];
3898 [appMenu setSubmenu: svcsMenu forItem: item];
3899 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 5];
3900 [appMenu insertItemWithTitle: @"Hide Emacs"
3901 action: @selector (hide:)
3902 keyEquivalent: @"h"
3903 atIndex: 6];
3904 item = [appMenu insertItemWithTitle: @"Hide Others"
3905 action: @selector (hideOtherApplications:)
3906 keyEquivalent: @"h"
3907 atIndex: 7];
3908 [item setKeyEquivalentModifierMask: NSCommandKeyMask | NSAlternateKeyMask];
3909 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 8];
3910 [appMenu insertItemWithTitle: @"Quit Emacs"
3911 action: @selector (terminate:)
3912 keyEquivalent: @"q"
3913 atIndex: 9];
3914
3915 item = [mainMenu insertItemWithTitle: ns_app_name
3916 action: @selector (menuDown:)
3917 keyEquivalent: @""
3918 atIndex: 0];
3919 [mainMenu setSubmenu: appMenu forItem: item];
3920 [dockMenu insertItemWithTitle: @"New Frame"
3921 action: @selector (newFrame:)
3922 keyEquivalent: @""
3923 atIndex: 0];
3924
3925 [NSApp setMainMenu: mainMenu];
3926 [NSApp setAppleMenu: appMenu];
3927 [NSApp setServicesMenu: svcsMenu];
3928 /* Needed at least on Cocoa, to get dock menu to show windows */
3929 [NSApp setWindowsMenu: [[NSMenu alloc] init]];
3930 }
3931 #endif /* MAC OS X menu setup */
3932
3933 [NSApp run];
3934
3935 return dpyinfo;
3936 }
3937
3938
3939 void
3940 ns_term_shutdown (int sig)
3941 {
3942 /* code not reached in emacs.c after this is called by shut_down_emacs: */
3943 if (STRINGP (Vauto_save_list_file_name))
3944 unlink (SDATA (Vauto_save_list_file_name));
3945
3946 if (sig == 0 || sig == SIGTERM)
3947 {
3948 [NSApp terminate: NSApp];
3949 }
3950 else // force a stack trace to happen
3951 {
3952 abort();
3953 }
3954 }
3955
3956
3957 /* ==========================================================================
3958
3959 EmacsApp implementation
3960
3961 ========================================================================== */
3962
3963
3964 @implementation EmacsApp
3965
3966 - (void)logNotification: (NSNotification *)notification
3967 {
3968 const char *name = [[notification name] UTF8String];
3969 if (!strstr (name, "Update") && !strstr (name, "NSMenu")
3970 && !strstr (name, "WindowNumber"))
3971 NSLog (@"notification: '%@'", [notification name]);
3972 }
3973
3974
3975 - (void)sendEvent: (NSEvent *)theEvent
3976 /* --------------------------------------------------------------------------
3977 Called when NSApp is running for each event received. Used to stop
3978 the loop when we choose, since there's no way to just run one iteration.
3979 -------------------------------------------------------------------------- */
3980 {
3981 int type = [theEvent type];
3982 NSWindow *window = [theEvent window];
3983 /* NSTRACE (sendEvent); */
3984 /*fprintf (stderr, "received event of type %d\t%d\n", type);*/
3985
3986 if (type == NSCursorUpdate && window == nil)
3987 {
3988 fprintf (stderr, "Dropping external cursor update event.\n");
3989 return;
3990 }
3991
3992 #ifdef NS_IMPL_COCOA
3993 /* pass mouse down in resize handle and subsequent drags directly to
3994 EmacsWindow so we can generate continuous redisplays */
3995 if (ns_in_resize)
3996 {
3997 if (type == NSLeftMouseDragged)
3998 {
3999 [window mouseDragged: theEvent];
4000 return;
4001 }
4002 else if (type == NSLeftMouseUp)
4003 {
4004 [window mouseUp: theEvent];
4005 return;
4006 }
4007 }
4008 else if (type == NSLeftMouseDown)
4009 {
4010 NSRect r = ns_resize_handle_rect (window);
4011 if (NSPointInRect ([theEvent locationInWindow], r))
4012 {
4013 ns_in_resize = YES;
4014 [window mouseDown: theEvent];
4015 return;
4016 }
4017 }
4018 #endif
4019
4020 if (type == NSApplicationDefined)
4021 {
4022 /* Events posted by ns_send_appdefined interrupt the run loop here.
4023 But, if a modal window is up, an appdefined can still come through,
4024 (e.g., from a makeKeyWindow event) but stopping self also stops the
4025 modal loop. Just defer it until later. */
4026 if ([NSApp modalWindow] == nil)
4027 {
4028 last_appdefined_event = theEvent;
4029 [self stop: self];
4030 }
4031 else
4032 {
4033 send_appdefined = YES;
4034 }
4035 }
4036
4037 [super sendEvent: theEvent];
4038 }
4039
4040
4041 - (void)showPreferencesWindow: (id)sender
4042 {
4043 struct frame *emacsframe = SELECTED_FRAME ();
4044 NSEvent *theEvent = [NSApp currentEvent];
4045
4046 if (!emacs_event)
4047 return;
4048 emacs_event->kind = NS_NONKEY_EVENT;
4049 emacs_event->code = KEY_NS_SHOW_PREFS;
4050 emacs_event->modifiers = 0;
4051 EV_TRAILER (theEvent);
4052 }
4053
4054
4055 - (void)newFrame: (id)sender
4056 {
4057 struct frame *emacsframe = SELECTED_FRAME ();
4058 NSEvent *theEvent = [NSApp currentEvent];
4059
4060 if (!emacs_event)
4061 return;
4062 emacs_event->kind = NS_NONKEY_EVENT;
4063 emacs_event->code = KEY_NS_NEW_FRAME;
4064 emacs_event->modifiers = 0;
4065 EV_TRAILER (theEvent);
4066 }
4067
4068
4069 /* Open a file (used by below, after going into queue read by ns_read_socket) */
4070 - (BOOL) openFile: (NSString *)fileName
4071 {
4072 struct frame *emacsframe = SELECTED_FRAME ();
4073 NSEvent *theEvent = [NSApp currentEvent];
4074
4075 if (!emacs_event)
4076 return NO;
4077
4078 emacs_event->kind = NS_NONKEY_EVENT;
4079 emacs_event->code = KEY_NS_OPEN_FILE_LINE;
4080 ns_input_file = append2 (ns_input_file, build_string ([fileName UTF8String]));
4081 ns_input_line = Qnil; /* can be start or cons start,end */
4082 emacs_event->modifiers =0;
4083 EV_TRAILER (theEvent);
4084
4085 return YES;
4086 }
4087
4088
4089 /* **************************************************************************
4090
4091 EmacsApp delegate implementation
4092
4093 ************************************************************************** */
4094
4095 - (void)applicationDidFinishLaunching: (NSNotification *)notification
4096 /* --------------------------------------------------------------------------
4097 When application is loaded, terminate event loop in ns_term_init
4098 -------------------------------------------------------------------------- */
4099 {
4100 NSTRACE (applicationDidFinishLaunching);
4101 [NSApp setServicesProvider: NSApp];
4102 ns_send_appdefined (-2);
4103 }
4104
4105
4106 /* Termination sequences:
4107 C-x C-c:
4108 Cmd-Q:
4109 MenuBar | File | Exit:
4110 Select Quit from App menubar:
4111 -terminate
4112 KEY_NS_POWER_OFF, (save-buffers-kill-emacs)
4113 ns_term_shutdown()
4114
4115 Select Quit from Dock menu:
4116 Logout attempt:
4117 -appShouldTerminate
4118 Cancel -> Nothing else
4119 Accept ->
4120
4121 -terminate
4122 KEY_NS_POWER_OFF, (save-buffers-kill-emacs)
4123 ns_term_shutdown()
4124
4125 */
4126
4127 - (void) terminate: (id)sender
4128 {
4129 struct frame *emacsframe = SELECTED_FRAME ();
4130
4131 if (!emacs_event)
4132 return;
4133
4134 emacs_event->kind = NS_NONKEY_EVENT;
4135 emacs_event->code = KEY_NS_POWER_OFF;
4136 emacs_event->arg = Qt; /* mark as non-key event */
4137 EV_TRAILER ((id)nil);
4138 }
4139
4140
4141 - (NSApplicationTerminateReply)applicationShouldTerminate: (id)sender
4142 {
4143 int ret;
4144
4145 if (NILP (ns_confirm_quit)) // || ns_shutdown_properly --> TO DO
4146 return NSTerminateNow;
4147
4148 ret = NSRunAlertPanel(ns_app_name,
4149 [NSString stringWithUTF8String:"Exit requested. Would you like to Save Buffers and Exit, or Cancel the request?"],
4150 @"Save Buffers and Exit", @"Cancel", nil);
4151
4152 if (ret == NSAlertDefaultReturn)
4153 return NSTerminateNow;
4154 else if (ret == NSAlertAlternateReturn)
4155 return NSTerminateCancel;
4156 return NSTerminateNow; /* just in case */
4157 }
4158
4159
4160 /* Notification from the Workspace to open a file */
4161 - (BOOL)application: sender openFile: (NSString *)file
4162 {
4163 [ns_pending_files addObject: file];
4164 return YES;
4165 }
4166
4167
4168 /* Open a file as a temporary file */
4169 - (BOOL)application: sender openTempFile: (NSString *)file
4170 {
4171 [ns_pending_files addObject: file];
4172 return YES;
4173 }
4174
4175
4176 /* Notification from the Workspace to open a file noninteractively (?) */
4177 - (BOOL)application: sender openFileWithoutUI: (NSString *)file
4178 {
4179 [ns_pending_files addObject: file];
4180 return YES;
4181 }
4182
4183
4184 /* Notification from the Workspace to open multiple files */
4185 - (void)application: sender openFiles: (NSArray *)fileList
4186 {
4187 NSEnumerator *files = [fileList objectEnumerator];
4188 NSString *file;
4189 while ((file = [files nextObject]) != nil)
4190 [ns_pending_files addObject: file];
4191
4192 [self replyToOpenOrPrint: NSApplicationDelegateReplySuccess];
4193
4194 }
4195
4196
4197 /* Handle dock menu requests. */
4198 - (NSMenu *)applicationDockMenu: (NSApplication *) sender
4199 {
4200 return dockMenu;
4201 }
4202
4203
4204 /* TODO: these may help w/IO switching btwn terminal and NSApp */
4205 - (void)applicationWillBecomeActive: (NSNotification *)notification
4206 {
4207 //ns_app_active=YES;
4208 }
4209 - (void)applicationDidBecomeActive: (NSNotification *)notification
4210 {
4211 //ns_app_active=YES;
4212 }
4213 - (void)applicationDidResignActive: (NSNotification *)notification
4214 {
4215 //ns_app_active=NO;
4216 ns_send_appdefined (-1);
4217 }
4218
4219
4220
4221 /* ==========================================================================
4222
4223 EmacsApp aux handlers for managing event loop
4224
4225 ========================================================================== */
4226
4227
4228 - (void)timeout_handler: (NSTimer *)timedEntry
4229 /* --------------------------------------------------------------------------
4230 The timeout specified to ns_select has passed.
4231 -------------------------------------------------------------------------- */
4232 {
4233 /*NSTRACE (timeout_handler); */
4234 ns_send_appdefined (-2);
4235 }
4236
4237 - (void)fd_handler: (NSTimer *) fdEntry
4238 /* --------------------------------------------------------------------------
4239 Check data waiting on file descriptors and terminate if so
4240 -------------------------------------------------------------------------- */
4241 {
4242 int result;
4243 /* NSTRACE (fd_handler); */
4244
4245 if (select_nfds == 0)
4246 return;
4247
4248 memcpy (&t_readfds, &select_readfds, sizeof (fd_set));
4249
4250 select_timeout.tv_sec = select_timeout.tv_usec = 0;
4251 result = select (select_nfds, &t_readfds, (SELECT_TYPE *)0, (SELECT_TYPE *)0,
4252 &select_timeout);
4253 if (result)
4254 {
4255 memcpy (&select_readfds, &t_readfds, sizeof (fd_set));
4256 ns_send_appdefined (result);
4257 }
4258 }
4259
4260
4261
4262 /* ==========================================================================
4263
4264 Service provision
4265
4266 ========================================================================== */
4267
4268 /* called from system: queue for next pass through event loop */
4269 - (void)requestService: (NSPasteboard *)pboard
4270 userData: (NSString *)userData
4271 error: (NSString **)error
4272 {
4273 [ns_pending_service_names addObject: userData];
4274 [ns_pending_service_args addObject: [NSString stringWithUTF8String:
4275 SDATA (ns_string_from_pasteboard (pboard))]];
4276 }
4277
4278
4279 /* called from ns_read_socket to clear queue */
4280 - (BOOL)fulfillService: (NSString *)name withArg: (NSString *)arg
4281 {
4282 struct frame *emacsframe = SELECTED_FRAME ();
4283 NSEvent *theEvent = [NSApp currentEvent];
4284
4285 if (!emacs_event)
4286 return NO;
4287
4288 emacs_event->kind = NS_NONKEY_EVENT;
4289 emacs_event->code = KEY_NS_SPI_SERVICE_CALL;
4290 ns_input_spi_name = build_string ([name UTF8String]);
4291 ns_input_spi_arg = build_string ([arg UTF8String]);
4292 emacs_event->modifiers = EV_MODIFIERS (theEvent);
4293 EV_TRAILER (theEvent);
4294
4295 return YES;
4296 }
4297
4298
4299 @end /* EmacsApp */
4300
4301
4302
4303 /* ==========================================================================
4304
4305 EmacsView implementation
4306
4307 ========================================================================== */
4308
4309
4310 @implementation EmacsView
4311
4312 /* needed to inform when window closed from LISP */
4313 - (void) setWindowClosing: (BOOL)closing
4314 {
4315 windowClosing = closing;
4316 }
4317
4318
4319 - (void)dealloc
4320 {
4321 NSTRACE (EmacsView_dealloc);
4322 [toolbar release];
4323 [super dealloc];
4324 }
4325
4326
4327 /* called on font panel selection */
4328 - (void)changeFont: (id)sender
4329 {
4330 NSEvent *e =[[self window] currentEvent];
4331 struct face *face =FRAME_DEFAULT_FACE (emacsframe);
4332 id newFont;
4333 float size;
4334
4335 NSTRACE (changeFont);
4336 if (!emacs_event)
4337 return;
4338
4339 if (newFont = [sender convertFont:
4340 ((struct nsfont_info *)face->font)->nsfont])
4341 {
4342 SET_FRAME_GARBAGED (emacsframe); /* now needed as of 2008/10 */
4343
4344 emacs_event->kind = NS_NONKEY_EVENT;
4345 emacs_event->modifiers = 0;
4346 emacs_event->code = KEY_NS_CHANGE_FONT;
4347
4348 size = [newFont pointSize];
4349 ns_input_fontsize = make_number (lrint (size));
4350 ns_input_font = build_string ([[newFont familyName] UTF8String]);
4351 EV_TRAILER (e);
4352 }
4353 }
4354
4355
4356 - (BOOL)acceptsFirstResponder
4357 {
4358 NSTRACE (acceptsFirstResponder);
4359 return YES;
4360 }
4361
4362
4363 - (void)resetCursorRects
4364 {
4365 NSRect visible = [self visibleRect];
4366 NSCursor *currentCursor = FRAME_POINTER_TYPE (emacsframe);
4367 NSTRACE (resetCursorRects);
4368
4369 if (currentCursor == nil)
4370 currentCursor = [NSCursor arrowCursor];
4371
4372 if (!NSIsEmptyRect (visible))
4373 [self addCursorRect: visible cursor: currentCursor];
4374 [currentCursor setOnMouseEntered: YES];
4375 }
4376
4377
4378
4379 /*****************************************************************************/
4380 /* Keyboard handling. */
4381 #define NS_KEYLOG 0
4382
4383 - (void)keyDown: (NSEvent *)theEvent
4384 {
4385 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (emacsframe);
4386 int code;
4387 unsigned fnKeysym = 0;
4388 int flags;
4389 static NSMutableArray *nsEvArray;
4390 static BOOL firstTime = YES;
4391 int left_is_none;
4392
4393 NSTRACE (keyDown);
4394
4395 /* Rhapsody and OS X give up and down events for the arrow keys */
4396 if (ns_fake_keydown == YES)
4397 ns_fake_keydown = NO;
4398 else if ([theEvent type] != NSKeyDown)
4399 return;
4400
4401 if (!emacs_event)
4402 return;
4403
4404 if (![[self window] isKeyWindow]
4405 && [[theEvent window] isKindOfClass: [EmacsWindow class]]
4406 /* we must avoid an infinite loop here. */
4407 && (EmacsView *)[[theEvent window] delegate] != self)
4408 {
4409 /* XXX: There is an occasional condition in which, when Emacs display
4410 updates a different frame from the current one, and temporarily
4411 selects it, then processes some interrupt-driven input
4412 (dispnew.c:3878), OS will send the event to the correct NSWindow, but
4413 for some reason that window has its first responder set to the NSView
4414 most recently updated (I guess), which is not the correct one. */
4415 [(EmacsView *)[[theEvent window] delegate] keyDown: theEvent];
4416 return;
4417 }
4418
4419 if (nsEvArray == nil)
4420 nsEvArray = [[NSMutableArray alloc] initWithCapacity: 1];
4421
4422 [NSCursor setHiddenUntilMouseMoves: YES];
4423
4424 if (hlinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight))
4425 {
4426 clear_mouse_face (hlinfo);
4427 hlinfo->mouse_face_hidden = 1;
4428 }
4429
4430 if (!processingCompose)
4431 {
4432 code = ([[theEvent charactersIgnoringModifiers] length] == 0) ?
4433 0 : [[theEvent charactersIgnoringModifiers] characterAtIndex: 0];
4434 /* (Carbon way: [theEvent keyCode]) */
4435
4436 /* is it a "function key"? */
4437 fnKeysym = ns_convert_key (code);
4438 if (fnKeysym)
4439 {
4440 /* COUNTERHACK: map 'Delete' on upper-right main KB to 'Backspace',
4441 because Emacs treats Delete and KP-Delete same (in simple.el). */
4442 if (fnKeysym == 0xFFFF && [theEvent keyCode] == 0x33)
4443 code = 0xFF08; /* backspace */
4444 else
4445 code = fnKeysym;
4446 }
4447
4448 /* are there modifiers? */
4449 emacs_event->modifiers = 0;
4450 flags = [theEvent modifierFlags];
4451
4452 if (flags & NSHelpKeyMask)
4453 emacs_event->modifiers |= hyper_modifier;
4454
4455 if (flags & NSShiftKeyMask)
4456 emacs_event->modifiers |= shift_modifier;
4457
4458 if ((flags & NSRightCommandKeyMask) == NSRightCommandKeyMask)
4459 emacs_event->modifiers |= parse_solitary_modifier
4460 (EQ (ns_right_command_modifier, Qleft)
4461 ? ns_command_modifier
4462 : ns_right_command_modifier);
4463
4464 if ((flags & NSLeftCommandKeyMask) == NSLeftCommandKeyMask)
4465 {
4466 emacs_event->modifiers |= parse_solitary_modifier
4467 (ns_command_modifier);
4468
4469 /* if super (default), take input manager's word so things like
4470 dvorak / qwerty layout work */
4471 if (EQ (ns_command_modifier, Qsuper)
4472 && !fnKeysym
4473 && [[theEvent characters] length] != 0)
4474 {
4475 /* XXX: the code we get will be unshifted, so if we have
4476 a shift modifier, must convert ourselves */
4477 if (!(flags & NSShiftKeyMask))
4478 code = [[theEvent characters] characterAtIndex: 0];
4479 #if 0
4480 /* this is ugly and also requires linking w/Carbon framework
4481 (for LMGetKbdType) so for now leave this rare (?) case
4482 undealt with.. in future look into CGEvent methods */
4483 else
4484 {
4485 long smv = GetScriptManagerVariable (smKeyScript);
4486 Handle uchrHandle = GetResource
4487 ('uchr', GetScriptVariable (smv, smScriptKeys));
4488 UInt32 dummy = 0;
4489 UCKeyTranslate ((UCKeyboardLayout*)*uchrHandle,
4490 [[theEvent characters] characterAtIndex: 0],
4491 kUCKeyActionDisplay,
4492 (flags & ~NSCommandKeyMask) >> 8,
4493 LMGetKbdType (), kUCKeyTranslateNoDeadKeysMask,
4494 &dummy, 1, &dummy, &code);
4495 code &= 0xFF;
4496 }
4497 #endif
4498 }
4499 }
4500
4501 if ((flags & NSRightControlKeyMask) == NSRightControlKeyMask)
4502 emacs_event->modifiers |= parse_solitary_modifier
4503 (EQ (ns_right_control_modifier, Qleft)
4504 ? ns_control_modifier
4505 : ns_right_control_modifier);
4506
4507 if ((flags & NSLeftControlKeyMask) == NSLeftControlKeyMask)
4508 emacs_event->modifiers |= parse_solitary_modifier
4509 (ns_control_modifier);
4510
4511 if (flags & NS_FUNCTION_KEY_MASK && !fnKeysym)
4512 emacs_event->modifiers |=
4513 parse_solitary_modifier (ns_function_modifier);
4514
4515 left_is_none = NILP (ns_alternate_modifier)
4516 || EQ (ns_alternate_modifier, Qnone);
4517
4518 if ((flags & NSRightAlternateKeyMask) == NSRightAlternateKeyMask)
4519 {
4520 if ((NILP (ns_right_alternate_modifier)
4521 || EQ (ns_right_alternate_modifier, Qnone)
4522 || (EQ (ns_right_alternate_modifier, Qleft) && left_is_none))
4523 && !fnKeysym)
4524 { /* accept pre-interp alt comb */
4525 if ([[theEvent characters] length] > 0)
4526 code = [[theEvent characters] characterAtIndex: 0];
4527 /*HACK: clear lone shift modifier to stop next if from firing */
4528 if (emacs_event->modifiers == shift_modifier)
4529 emacs_event->modifiers = 0;
4530 }
4531 else
4532 emacs_event->modifiers |= parse_solitary_modifier
4533 (EQ (ns_right_alternate_modifier, Qleft)
4534 ? ns_alternate_modifier
4535 : ns_right_alternate_modifier);
4536 }
4537
4538 if ((flags & NSLeftAlternateKeyMask) == NSLeftAlternateKeyMask) /* default = meta */
4539 {
4540 if (left_is_none && !fnKeysym)
4541 { /* accept pre-interp alt comb */
4542 if ([[theEvent characters] length] > 0)
4543 code = [[theEvent characters] characterAtIndex: 0];
4544 /*HACK: clear lone shift modifier to stop next if from firing */
4545 if (emacs_event->modifiers == shift_modifier)
4546 emacs_event->modifiers = 0;
4547 }
4548 else
4549 emacs_event->modifiers |=
4550 parse_solitary_modifier (ns_alternate_modifier);
4551 }
4552
4553 if (NS_KEYLOG)
4554 fprintf (stderr, "keyDown: code =%x\tfnKey =%x\tflags = %x\tmods = %x\n",
4555 code, fnKeysym, flags, emacs_event->modifiers);
4556
4557 /* if it was a function key or had modifiers, pass it directly to emacs */
4558 if (fnKeysym || (emacs_event->modifiers
4559 && [[theEvent charactersIgnoringModifiers] length] > 0))
4560 /*[[theEvent characters] length] */
4561 {
4562 emacs_event->kind = NON_ASCII_KEYSTROKE_EVENT;
4563 if (code < 0x20)
4564 code |= (1<<28)|(3<<16);
4565 else if (code == 0x7f)
4566 code |= (1<<28)|(3<<16);
4567 else if (!fnKeysym)
4568 emacs_event->kind = code > 0xFF
4569 ? MULTIBYTE_CHAR_KEYSTROKE_EVENT : ASCII_KEYSTROKE_EVENT;
4570
4571 emacs_event->code = code;
4572 EV_TRAILER (theEvent);
4573 return;
4574 }
4575 }
4576
4577 /* if we get here we should send the key for input manager processing */
4578 if (firstTime && [[NSInputManager currentInputManager]
4579 wantsToDelayTextChangeNotifications] == NO)
4580 fprintf (stderr,
4581 "Emacs: WARNING: TextInput mgr wants marked text to be permanent!\n");
4582 firstTime = NO;
4583
4584 if (NS_KEYLOG && !processingCompose)
4585 fprintf (stderr, "keyDown: Begin compose sequence.\n");
4586
4587 processingCompose = YES;
4588 [nsEvArray addObject: theEvent];
4589 [self interpretKeyEvents: nsEvArray];
4590 [nsEvArray removeObject: theEvent];
4591 }
4592
4593
4594 #ifdef NS_IMPL_COCOA
4595 /* Needed to pick up Ctrl-tab and possibly other events that OS X has
4596 decided not to send key-down for.
4597 See http://osdir.com/ml/editors.vim.mac/2007-10/msg00141.html
4598 This only applies on Tiger and earlier.
4599 If it matches one of these, send it on to keyDown. */
4600 -(void)keyUp: (NSEvent *)theEvent
4601 {
4602 int flags = [theEvent modifierFlags];
4603 int code = [theEvent keyCode];
4604 if (floor (NSAppKitVersionNumber) <= 824 /*NSAppKitVersionNumber10_4*/ &&
4605 code == 0x30 && (flags & NSControlKeyMask) && !(flags & NSCommandKeyMask))
4606 {
4607 if (NS_KEYLOG)
4608 fprintf (stderr, "keyUp: passed test");
4609 ns_fake_keydown = YES;
4610 [self keyDown: theEvent];
4611 }
4612 }
4613 #endif
4614
4615
4616 /* <NSTextInput> implementation (called through super interpretKeyEvents:]). */
4617
4618
4619 /* <NSTextInput>: called when done composing;
4620 NOTE: also called when we delete over working text, followed immed.
4621 by doCommandBySelector: deleteBackward: */
4622 - (void)insertText: (id)aString
4623 {
4624 int code;
4625 int len = [(NSString *)aString length];
4626 int i;
4627
4628 if (NS_KEYLOG)
4629 NSLog (@"insertText '%@'\tlen = %d", aString, len);
4630 processingCompose = NO;
4631
4632 if (!emacs_event)
4633 return;
4634
4635 /* first, clear any working text */
4636 if (workingText != nil)
4637 [self deleteWorkingText];
4638
4639 /* now insert the string as keystrokes */
4640 for (i =0; i<len; i++)
4641 {
4642 code = [aString characterAtIndex: i];
4643 /* TODO: still need this? */
4644 if (code == 0x2DC)
4645 code = '~'; /* 0x7E */
4646 emacs_event->modifiers = 0;
4647 emacs_event->kind
4648 = code > 0xFF ? MULTIBYTE_CHAR_KEYSTROKE_EVENT : ASCII_KEYSTROKE_EVENT;
4649 emacs_event->code = code;
4650 EV_TRAILER ((id)nil);
4651 }
4652 }
4653
4654
4655 /* <NSTextInput>: inserts display of composing characters */
4656 - (void)setMarkedText: (id)aString selectedRange: (NSRange)selRange
4657 {
4658 NSString *str = [aString respondsToSelector: @selector (string)] ?
4659 [aString string] : aString;
4660 if (NS_KEYLOG)
4661 NSLog (@"setMarkedText '%@' len =%d range %d from %d", str, [str length],
4662 selRange.length, selRange.location);
4663
4664 if (workingText != nil)
4665 [self deleteWorkingText];
4666 if ([str length] == 0)
4667 return;
4668
4669 if (!emacs_event)
4670 return;
4671
4672 processingCompose = YES;
4673 workingText = [str copy];
4674 ns_working_text = build_string ([workingText UTF8String]);
4675
4676 emacs_event->kind = NS_TEXT_EVENT;
4677 emacs_event->code = KEY_NS_PUT_WORKING_TEXT;
4678 EV_TRAILER ((id)nil);
4679 }
4680
4681
4682 /* delete display of composing characters [not in <NSTextInput>] */
4683 - (void)deleteWorkingText
4684 {
4685 if (workingText == nil)
4686 return;
4687 if (NS_KEYLOG)
4688 NSLog(@"deleteWorkingText len =%d\n", [workingText length]);
4689 [workingText release];
4690 workingText = nil;
4691 processingCompose = NO;
4692
4693 if (!emacs_event)
4694 return;
4695
4696 emacs_event->kind = NS_TEXT_EVENT;
4697 emacs_event->code = KEY_NS_UNPUT_WORKING_TEXT;
4698 EV_TRAILER ((id)nil);
4699 }
4700
4701
4702 - (BOOL)hasMarkedText
4703 {
4704 return workingText != nil;
4705 }
4706
4707
4708 - (NSRange)markedRange
4709 {
4710 NSRange rng = workingText != nil
4711 ? NSMakeRange (0, [workingText length]) : NSMakeRange (NSNotFound, 0);
4712 if (NS_KEYLOG)
4713 NSLog (@"markedRange request");
4714 return rng;
4715 }
4716
4717
4718 - (void)unmarkText
4719 {
4720 if (NS_KEYLOG)
4721 NSLog (@"unmark (accept) text");
4722 [self deleteWorkingText];
4723 processingCompose = NO;
4724 }
4725
4726
4727 /* used to position char selection windows, etc. */
4728 - (NSRect)firstRectForCharacterRange: (NSRange)theRange
4729 {
4730 NSRect rect;
4731 NSPoint pt;
4732 struct window *win = XWINDOW (FRAME_SELECTED_WINDOW (emacsframe));
4733 if (NS_KEYLOG)
4734 NSLog (@"firstRectForCharRange request");
4735
4736 rect.size.width = theRange.length * FRAME_COLUMN_WIDTH (emacsframe);
4737 rect.size.height = FRAME_LINE_HEIGHT (emacsframe);
4738 pt.x = WINDOW_TEXT_TO_FRAME_PIXEL_X (win, win->phys_cursor.x);
4739 pt.y = WINDOW_TO_FRAME_PIXEL_Y (win, win->phys_cursor.y
4740 +FRAME_LINE_HEIGHT (emacsframe));
4741
4742 pt = [self convertPoint: pt toView: nil];
4743 pt = [[self window] convertBaseToScreen: pt];
4744 rect.origin = pt;
4745 return rect;
4746 }
4747
4748
4749 - (long)conversationIdentifier
4750 {
4751 return (long)self;
4752 }
4753
4754
4755 - (void)doCommandBySelector: (SEL)aSelector
4756 {
4757 if (NS_KEYLOG)
4758 NSLog (@"doCommandBySelector: %@", NSStringFromSelector (aSelector));
4759
4760 if (aSelector == @selector (deleteBackward:))
4761 {
4762 /* happens when user backspaces over an ongoing composition:
4763 throw a 'delete' into the event queue */
4764 if (!emacs_event)
4765 return;
4766 emacs_event->kind = NON_ASCII_KEYSTROKE_EVENT;
4767 emacs_event->code = 0xFF08;
4768 EV_TRAILER ((id)nil);
4769 }
4770 }
4771
4772 - (NSArray *)validAttributesForMarkedText
4773 {
4774 static NSArray *arr = nil;
4775 if (arr == nil) arr = [NSArray new];
4776 /* [[NSArray arrayWithObject: NSUnderlineStyleAttributeName] retain]; */
4777 return arr;
4778 }
4779
4780 - (NSRange)selectedRange
4781 {
4782 if (NS_KEYLOG)
4783 NSLog (@"selectedRange request");
4784 return NSMakeRange (NSNotFound, 0);
4785 }
4786
4787 - (NSUInteger)characterIndexForPoint: (NSPoint)thePoint
4788 {
4789 if (NS_KEYLOG)
4790 NSLog (@"characterIndexForPoint request");
4791 return 0;
4792 }
4793
4794 - (NSAttributedString *)attributedSubstringFromRange: (NSRange)theRange
4795 {
4796 static NSAttributedString *str = nil;
4797 if (str == nil) str = [NSAttributedString new];
4798 if (NS_KEYLOG)
4799 NSLog (@"attributedSubstringFromRange request");
4800 return str;
4801 }
4802
4803 /* End <NSTextInput> impl. */
4804 /*****************************************************************************/
4805
4806
4807 /* This is what happens when the user presses a mouse button. */
4808 - (void)mouseDown: (NSEvent *)theEvent
4809 {
4810 NSPoint p = [self convertPoint: [theEvent locationInWindow] fromView: nil];
4811 Lisp_Object window;
4812
4813 NSTRACE (mouseDown);
4814
4815 [self deleteWorkingText];
4816
4817 if (!emacs_event)
4818 return;
4819
4820 last_mouse_frame = emacsframe;
4821 /* appears to be needed to prevent spurious movement events generated on
4822 button clicks */
4823 last_mouse_frame->mouse_moved = 0;
4824
4825 if ([theEvent type] == NSScrollWheel)
4826 {
4827 float delta = [theEvent deltaY];
4828 /* Mac notebooks send wheel events w/delta =0 when trackpad scrolling */
4829 if (delta == 0)
4830 return;
4831 emacs_event->kind = WHEEL_EVENT;
4832 emacs_event->code = 0;
4833 emacs_event->modifiers = EV_MODIFIERS (theEvent) |
4834 ((delta > 0) ? up_modifier : down_modifier);
4835 }
4836 else
4837 {
4838 emacs_event->kind = MOUSE_CLICK_EVENT;
4839 emacs_event->code = EV_BUTTON (theEvent);
4840 emacs_event->modifiers = EV_MODIFIERS (theEvent)
4841 | EV_UDMODIFIERS (theEvent);
4842 }
4843 XSETINT (emacs_event->x, lrint (p.x));
4844 XSETINT (emacs_event->y, lrint (p.y));
4845 EV_TRAILER (theEvent);
4846 }
4847
4848
4849 - (void)rightMouseDown: (NSEvent *)theEvent
4850 {
4851 NSTRACE (rightMouseDown);
4852 [self mouseDown: theEvent];
4853 }
4854
4855
4856 - (void)otherMouseDown: (NSEvent *)theEvent
4857 {
4858 NSTRACE (otherMouseDown);
4859 [self mouseDown: theEvent];
4860 }
4861
4862
4863 - (void)mouseUp: (NSEvent *)theEvent
4864 {
4865 NSTRACE (mouseUp);
4866 [self mouseDown: theEvent];
4867 }
4868
4869
4870 - (void)rightMouseUp: (NSEvent *)theEvent
4871 {
4872 NSTRACE (rightMouseUp);
4873 [self mouseDown: theEvent];
4874 }
4875
4876
4877 - (void)otherMouseUp: (NSEvent *)theEvent
4878 {
4879 NSTRACE (otherMouseUp);
4880 [self mouseDown: theEvent];
4881 }
4882
4883
4884 - (void) scrollWheel: (NSEvent *)theEvent
4885 {
4886 NSTRACE (scrollWheel);
4887 [self mouseDown: theEvent];
4888 }
4889
4890
4891 /* Tell emacs the mouse has moved. */
4892 - (void)mouseMoved: (NSEvent *)e
4893 {
4894 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (emacsframe);
4895 Lisp_Object frame;
4896
4897 // NSTRACE (mouseMoved);
4898
4899 last_mouse_movement_time = EV_TIMESTAMP (e);
4900 last_mouse_motion_position
4901 = [self convertPoint: [e locationInWindow] fromView: nil];
4902
4903 /* update any mouse face */
4904 if (hlinfo->mouse_face_hidden)
4905 {
4906 hlinfo->mouse_face_hidden = 0;
4907 clear_mouse_face (hlinfo);
4908 }
4909
4910 /* tooltip handling */
4911 previous_help_echo_string = help_echo_string;
4912 help_echo_string = Qnil;
4913
4914 if (!note_mouse_movement (emacsframe, last_mouse_motion_position.x,
4915 last_mouse_motion_position.y))
4916 help_echo_string = previous_help_echo_string;
4917
4918 XSETFRAME (frame, emacsframe);
4919 if (!NILP (help_echo_string) || !NILP (previous_help_echo_string))
4920 {
4921 /* NOTE: help_echo_{window,pos,object} are set in xdisp.c
4922 (note_mouse_highlight), which is called through the
4923 note_mouse_movement () call above */
4924 gen_help_event (help_echo_string, frame, help_echo_window,
4925 help_echo_object, help_echo_pos);
4926 }
4927 else
4928 {
4929 help_echo_string = Qnil;
4930 gen_help_event (Qnil, frame, Qnil, Qnil, 0);
4931 }
4932
4933 if (emacsframe->mouse_moved && send_appdefined)
4934 ns_send_appdefined (-1);
4935 }
4936
4937
4938 - (void)mouseDragged: (NSEvent *)e
4939 {
4940 NSTRACE (mouseDragged);
4941 [self mouseMoved: e];
4942 }
4943
4944
4945 - (void)rightMouseDragged: (NSEvent *)e
4946 {
4947 NSTRACE (rightMouseDragged);
4948 [self mouseMoved: e];
4949 }
4950
4951
4952 - (void)otherMouseDragged: (NSEvent *)e
4953 {
4954 NSTRACE (otherMouseDragged);
4955 [self mouseMoved: e];
4956 }
4957
4958
4959 - (BOOL)windowShouldClose: (id)sender
4960 {
4961 NSEvent *e =[[self window] currentEvent];
4962
4963 NSTRACE (windowShouldClose);
4964 windowClosing = YES;
4965 if (!emacs_event)
4966 return NO;
4967 emacs_event->kind = DELETE_WINDOW_EVENT;
4968 emacs_event->modifiers = 0;
4969 emacs_event->code = 0;
4970 EV_TRAILER (e);
4971 /* Don't close this window, let this be done from lisp code. */
4972 return NO;
4973 }
4974
4975
4976 - (NSSize)windowWillResize: (NSWindow *)sender toSize: (NSSize)frameSize
4977 /* normalize frame to gridded text size */
4978 {
4979 NSTRACE (windowWillResize);
4980 /*fprintf (stderr,"Window will resize: %.0f x %.0f\n",frameSize.width,frameSize.height); */
4981
4982 cols = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (emacsframe,
4983 #ifdef NS_IMPL_GNUSTEP
4984 frameSize.width + 3);
4985 #else
4986 frameSize.width);
4987 #endif
4988 if (cols < MINWIDTH)
4989 cols = MINWIDTH;
4990 frameSize.width = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (emacsframe, cols);
4991
4992 rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (emacsframe, frameSize.height
4993 #ifdef NS_IMPL_GNUSTEP
4994 - FRAME_NS_TITLEBAR_HEIGHT (emacsframe) + 3
4995 - FRAME_TOOLBAR_HEIGHT (emacsframe));
4996 #else
4997 - FRAME_NS_TITLEBAR_HEIGHT (emacsframe)
4998 - FRAME_TOOLBAR_HEIGHT (emacsframe));
4999 #endif
5000 if (rows < MINHEIGHT)
5001 rows = MINHEIGHT;
5002 frameSize.height = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (emacsframe, rows)
5003 + FRAME_NS_TITLEBAR_HEIGHT (emacsframe)
5004 + FRAME_TOOLBAR_HEIGHT (emacsframe);
5005 #ifdef NS_IMPL_COCOA
5006 {
5007 /* this sets window title to have size in it; the wm does this under GS */
5008 NSRect r = [[self window] frame];
5009 if (r.size.height == frameSize.height && r.size.width == frameSize.width)
5010 {
5011 if (old_title != 0)
5012 {
5013 xfree (old_title);
5014 old_title = 0;
5015 }
5016 }
5017 else
5018 {
5019 char *size_title;
5020 NSWindow *window = [self window];
5021 if (old_title == 0)
5022 {
5023 const char *t = [[[self window] title] UTF8String];
5024 char *pos = strstr (t, " — ");
5025 if (pos)
5026 *pos = '\0';
5027 old_title = (char *) xmalloc (strlen (t) + 1);
5028 strcpy (old_title, t);
5029 }
5030 size_title = xmalloc (strlen (old_title) + 40);
5031 sprintf (size_title, "%s — (%d x %d)", old_title, cols, rows);
5032 [window setTitle: [NSString stringWithUTF8String: size_title]];
5033 [window display];
5034 xfree (size_title);
5035 }
5036 }
5037 #endif /* NS_IMPL_COCOA */
5038 /*fprintf (stderr," ...size became %.0f x %.0f (%d x %d)\n",frameSize.width,frameSize.height,cols,rows); */
5039
5040 return frameSize;
5041 }
5042
5043
5044 - (void)windowDidResize: (NSNotification *)notification
5045 {
5046 NSWindow *theWindow = [notification object];
5047
5048 #ifdef NS_IMPL_GNUSTEP
5049 /* in GNUstep, at least currently, it's possible to get a didResize
5050 without getting a willResize.. therefore we need to act as if we got
5051 the willResize now */
5052 NSSize sz = [theWindow frame].size;
5053 sz = [self windowWillResize: theWindow toSize: sz];
5054 #endif /* NS_IMPL_GNUSTEP */
5055
5056 NSTRACE (windowDidResize);
5057 /*fprintf (stderr,"windowDidResize: %.0f\n",[theWindow frame].size.height); */
5058
5059 #ifdef NS_IMPL_COCOA
5060 if (old_title != 0)
5061 {
5062 xfree (old_title);
5063 old_title = 0;
5064 }
5065 #endif /* NS_IMPL_COCOA */
5066
5067 /* Avoid loop under GNUstep due to call at beginning of this function.
5068 (x_set_window_size causes a resize which causes
5069 a "windowDidResize" which calls x_set_window_size). */
5070 #ifndef NS_IMPL_GNUSTEP
5071 if (cols > 0 && rows > 0)
5072 x_set_window_size (emacsframe, 0, cols, rows);
5073 #endif
5074
5075 ns_send_appdefined (-1);
5076 }
5077
5078
5079 - (void)windowDidBecomeKey: (NSNotification *)notification
5080 /* cf. x_detect_focus_change(), x_focus_changed(), x_new_focus_frame() */
5081 {
5082 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
5083 struct frame *old_focus = dpyinfo->x_focus_frame;
5084
5085 NSTRACE (windowDidBecomeKey);
5086
5087 if (emacsframe != old_focus)
5088 dpyinfo->x_focus_frame = emacsframe;
5089
5090 ns_frame_rehighlight (emacsframe);
5091
5092 if (emacs_event)
5093 {
5094 emacs_event->kind = FOCUS_IN_EVENT;
5095 EV_TRAILER ((id)nil);
5096 }
5097 }
5098
5099
5100 - (void)windowDidResignKey: (NSNotification *)notification
5101 /* cf. x_detect_focus_change(), x_focus_changed(), x_new_focus_frame() */
5102 {
5103 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
5104 NSTRACE (windowDidResignKey);
5105
5106 if (dpyinfo->x_focus_frame == emacsframe)
5107 dpyinfo->x_focus_frame = 0;
5108
5109 ns_frame_rehighlight (emacsframe);
5110
5111 /* FIXME: for some reason needed on second and subsequent clicks away
5112 from sole-frame Emacs to get hollow box to show */
5113 if (!windowClosing && [[self window] isVisible] == YES)
5114 {
5115 x_update_cursor (emacsframe, 1);
5116 x_set_frame_alpha (emacsframe);
5117 }
5118
5119 if (emacs_event)
5120 {
5121 [self deleteWorkingText];
5122 emacs_event->kind = FOCUS_IN_EVENT;
5123 EV_TRAILER ((id)nil);
5124 }
5125 }
5126
5127
5128 - (void)windowWillMiniaturize: sender
5129 {
5130 NSTRACE (windowWillMiniaturize);
5131 }
5132
5133
5134 - (BOOL)isFlipped
5135 {
5136 return YES;
5137 }
5138
5139
5140 - (BOOL)isOpaque
5141 {
5142 return NO;
5143 }
5144
5145
5146 - initFrameFromEmacs: (struct frame *)f
5147 {
5148 NSRect r, wr;
5149 Lisp_Object tem;
5150 NSWindow *win;
5151 NSButton *toggleButton;
5152 int vbextra = NS_SCROLL_BAR_WIDTH (f);
5153 NSSize sz;
5154 NSColor *col;
5155 NSString *name;
5156
5157 NSTRACE (initFrameFromEmacs);
5158
5159 windowClosing = NO;
5160 processingCompose = NO;
5161 scrollbarsNeedingUpdate = 0;
5162
5163 /*fprintf (stderr,"init with %d, %d\n",f->text_cols, f->text_lines); */
5164
5165 r = NSMakeRect (0, 0, FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, f->text_cols),
5166 FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, f->text_lines));
5167 [self initWithFrame: r];
5168 [self setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable];
5169
5170 FRAME_NS_VIEW (f) = self;
5171 emacsframe = f;
5172 old_title = 0;
5173
5174 win = [[EmacsWindow alloc]
5175 initWithContentRect: r
5176 styleMask: (NSResizableWindowMask |
5177 NSMiniaturizableWindowMask |
5178 NSClosableWindowMask)
5179 backing: NSBackingStoreBuffered
5180 defer: YES];
5181
5182 wr = [win frame];
5183 f->border_width = wr.size.width - r.size.width;
5184 FRAME_NS_TITLEBAR_HEIGHT (f) = wr.size.height - r.size.height;
5185
5186 [win setAcceptsMouseMovedEvents: YES];
5187 [win setDelegate: self];
5188 [win useOptimizedDrawing: YES];
5189
5190 sz.width = FRAME_COLUMN_WIDTH (f);
5191 sz.height = FRAME_LINE_HEIGHT (f);
5192 [win setResizeIncrements: sz];
5193
5194 [[win contentView] addSubview: self];
5195
5196 if (ns_drag_types)
5197 [self registerForDraggedTypes: ns_drag_types];
5198
5199 tem = f->name;
5200 name = [NSString stringWithUTF8String:
5201 NILP (tem) ? (unsigned char *)"Emacs" : SDATA (tem)];
5202 [win setTitle: name];
5203
5204 /* toolbar support */
5205 toolbar = [[EmacsToolbar alloc] initForView: self withIdentifier:
5206 [NSString stringWithFormat: @"Emacs Frame %d",
5207 ns_window_num]];
5208 [win setToolbar: toolbar];
5209 [toolbar setVisible: NO];
5210 #ifdef NS_IMPL_COCOA
5211 toggleButton = [win standardWindowButton: NSWindowToolbarButton];
5212 [toggleButton setTarget: self];
5213 [toggleButton setAction: @selector (toggleToolbar: )];
5214 #endif
5215 FRAME_TOOLBAR_HEIGHT (f) = 0;
5216
5217 tem = f->icon_name;
5218 if (!NILP (tem))
5219 [win setMiniwindowTitle:
5220 [NSString stringWithUTF8String: SDATA (tem)]];
5221
5222 {
5223 NSScreen *screen = [win screen];
5224
5225 if (screen != 0)
5226 [win setFrameTopLeftPoint: NSMakePoint
5227 (IN_BOUND (-SCREENMAX, f->left_pos, SCREENMAX),
5228 IN_BOUND (-SCREENMAX,
5229 [screen frame].size.height - NS_TOP_POS (f), SCREENMAX))];
5230 }
5231
5232 [win makeFirstResponder: self];
5233
5234 col = ns_lookup_indexed_color (NS_FACE_BACKGROUND
5235 (FRAME_DEFAULT_FACE (emacsframe)), emacsframe);
5236 [win setBackgroundColor: col];
5237 if ([col alphaComponent] != 1.0)
5238 [win setOpaque: NO];
5239
5240 [self allocateGState];
5241
5242 ns_window_num++;
5243 return self;
5244 }
5245
5246
5247 - (void)windowDidMove: sender
5248 {
5249 NSWindow *win = [self window];
5250 NSRect r = [win frame];
5251 NSScreen *screen = [win screen];
5252
5253 NSTRACE (windowDidMove);
5254
5255 if (!emacsframe->output_data.ns)
5256 return;
5257 if (screen != nil)
5258 {
5259 emacsframe->left_pos = r.origin.x;
5260 emacsframe->top_pos =
5261 [screen frame].size.height - (r.origin.y + r.size.height);
5262 }
5263 }
5264
5265
5266 /* Called AFTER method below, but before our windowWillResize call there leads
5267 to windowDidResize -> x_set_window_size. Update emacs' notion of frame
5268 location so set_window_size moves the frame. */
5269 - (BOOL)windowShouldZoom: (NSWindow *)sender toFrame: (NSRect)newFrame
5270 {
5271 NSTRACE (windowShouldZoom);
5272 emacsframe->left_pos = (int)newFrame.origin.x;
5273 emacsframe->top_pos = [[sender screen] frame].size.height
5274 - (newFrame.origin.y+newFrame.size.height);
5275 return YES;
5276 }
5277
5278
5279 /* Override to do something slightly nonstandard, but nice. First click on
5280 zoom button will zoom vertically. Second will zoom completely. Third
5281 returns to original. */
5282 - (NSRect)windowWillUseStandardFrame:(NSWindow *)sender
5283 defaultFrame:(NSRect)defaultFrame
5284 {
5285 NSRect result = [sender frame];
5286 static NSRect ns_userRect = { 0, 0, 0, 0 };
5287
5288 NSTRACE (windowWillUseStandardFrame);
5289
5290 if (abs (defaultFrame.size.height - result.size.height)
5291 > FRAME_LINE_HEIGHT (emacsframe))
5292 {
5293 /* first click */
5294 ns_userRect = result;
5295 result.size.height = defaultFrame.size.height;
5296 result.origin.y = defaultFrame.origin.y;
5297 }
5298 else
5299 {
5300 if (abs (defaultFrame.size.width - result.size.width)
5301 > FRAME_COLUMN_WIDTH (emacsframe))
5302 result = defaultFrame; /* second click */
5303 else
5304 result = ns_userRect.size.height ? ns_userRect : result; /* restore */
5305 }
5306
5307 [self windowWillResize: sender toSize: result.size];
5308 return result;
5309 }
5310
5311
5312 - (void)windowDidDeminiaturize: sender
5313 {
5314 NSTRACE (windowDidDeminiaturize);
5315 if (!emacsframe->output_data.ns)
5316 return;
5317 emacsframe->async_iconified = 0;
5318 emacsframe->async_visible = 1;
5319 windows_or_buffers_changed++;
5320
5321 if (emacs_event)
5322 {
5323 emacs_event->kind = ICONIFY_EVENT;
5324 EV_TRAILER ((id)nil);
5325 }
5326 }
5327
5328
5329 - (void)windowDidExpose: sender
5330 {
5331 NSTRACE (windowDidExpose);
5332 if (!emacsframe->output_data.ns)
5333 return;
5334 emacsframe->async_visible = 1;
5335 SET_FRAME_GARBAGED (emacsframe);
5336
5337 if (send_appdefined)
5338 ns_send_appdefined (-1);
5339 }
5340
5341
5342 - (void)windowDidMiniaturize: sender
5343 {
5344 NSTRACE (windowDidMiniaturize);
5345 if (!emacsframe->output_data.ns)
5346 return;
5347
5348 emacsframe->async_iconified = 1;
5349 emacsframe->async_visible = 0;
5350
5351 if (emacs_event)
5352 {
5353 emacs_event->kind = ICONIFY_EVENT;
5354 EV_TRAILER ((id)nil);
5355 }
5356 }
5357
5358
5359 - (void)mouseEntered: (NSEvent *)theEvent
5360 {
5361 NSPoint p = [self convertPoint: [theEvent locationInWindow] fromView: nil];
5362 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
5363 NSTRACE (mouseEntered);
5364
5365 last_mouse_movement_time = EV_TIMESTAMP (theEvent);
5366 }
5367
5368
5369 - (void)mouseExited: (NSEvent *)theEvent
5370 {
5371 NSPoint p = [self convertPoint: [theEvent locationInWindow] fromView: nil];
5372 NSRect r;
5373 Mouse_HLInfo *hlinfo = emacsframe ? MOUSE_HL_INFO (emacsframe) : NULL;
5374
5375 NSTRACE (mouseExited);
5376
5377 if (!hlinfo)
5378 return;
5379
5380 last_mouse_movement_time = EV_TIMESTAMP (theEvent);
5381
5382 if (emacsframe == hlinfo->mouse_face_mouse_frame)
5383 {
5384 clear_mouse_face (hlinfo);
5385 hlinfo->mouse_face_mouse_frame = 0;
5386 }
5387 }
5388
5389
5390 - menuDown: sender
5391 {
5392 NSTRACE (menuDown);
5393 if (context_menu_value == -1)
5394 context_menu_value = [sender tag];
5395 else
5396 find_and_call_menu_selection (emacsframe, emacsframe->menu_bar_items_used,
5397 emacsframe->menu_bar_vector,
5398 (void *)[sender tag]);
5399 ns_send_appdefined (-1);
5400 return self;
5401 }
5402
5403
5404 - (EmacsToolbar *)toolbar
5405 {
5406 return toolbar;
5407 }
5408
5409
5410 /* this gets called on toolbar button click */
5411 - toolbarClicked: (id)item
5412 {
5413 NSEvent *theEvent;
5414 int idx = [item tag] * TOOL_BAR_ITEM_NSLOTS;
5415
5416 NSTRACE (toolbarClicked);
5417
5418 if (!emacs_event)
5419 return self;
5420
5421 /* send first event (for some reason two needed) */
5422 theEvent = [[self window] currentEvent];
5423 emacs_event->kind = TOOL_BAR_EVENT;
5424 XSETFRAME (emacs_event->arg, emacsframe);
5425 EV_TRAILER (theEvent);
5426
5427 emacs_event->kind = TOOL_BAR_EVENT;
5428 /* XSETINT (emacs_event->code, 0); */
5429 emacs_event->arg = AREF (emacsframe->tool_bar_items,
5430 idx + TOOL_BAR_ITEM_KEY);
5431 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5432 EV_TRAILER (theEvent);
5433 return self;
5434 }
5435
5436
5437 - toggleToolbar: (id)sender
5438 {
5439 if (!emacs_event)
5440 return self;
5441
5442 emacs_event->kind = NS_NONKEY_EVENT;
5443 emacs_event->code = KEY_NS_TOGGLE_TOOLBAR;
5444 EV_TRAILER ((id)nil);
5445 return self;
5446 }
5447
5448
5449 - (void)drawRect: (NSRect)rect
5450 {
5451 int x = NSMinX (rect), y = NSMinY (rect);
5452 int width = NSWidth (rect), height = NSHeight (rect);
5453
5454 NSTRACE (drawRect);
5455
5456 if (!emacsframe || !emacsframe->output_data.ns || ns_in_resize)
5457 return;
5458
5459 ns_clear_frame_area (emacsframe, x, y, width, height);
5460 expose_frame (emacsframe, x, y, width, height);
5461
5462 /*
5463 drawRect: may be called (at least in OS X 10.5) for invisible
5464 views as well for some reason. Thus, do not infer visibility
5465 here.
5466
5467 emacsframe->async_visible = 1;
5468 emacsframe->async_iconified = 0;
5469 */
5470 }
5471
5472
5473 /* NSDraggingDestination protocol methods. Actually this is not really a
5474 protocol, but a category of Object. O well... */
5475
5476 -(NSUInteger) draggingEntered: (id <NSDraggingInfo>) sender
5477 {
5478 NSTRACE (draggingEntered);
5479 return NSDragOperationGeneric;
5480 }
5481
5482
5483 -(BOOL)prepareForDragOperation: (id <NSDraggingInfo>) sender
5484 {
5485 return YES;
5486 }
5487
5488
5489 -(BOOL)performDragOperation: (id <NSDraggingInfo>) sender
5490 {
5491 id pb;
5492 int x, y;
5493 NSString *type;
5494 NSEvent *theEvent = [[self window] currentEvent];
5495 NSPoint position;
5496
5497 NSTRACE (performDragOperation);
5498
5499 if (!emacs_event)
5500 return NO;
5501
5502 position = [self convertPoint: [sender draggingLocation] fromView: nil];
5503 x = lrint (position.x); y = lrint (position.y);
5504
5505 pb = [sender draggingPasteboard];
5506 type = [pb availableTypeFromArray: ns_drag_types];
5507 if (type == 0)
5508 {
5509 return NO;
5510 }
5511 else if ([type isEqualToString: NSFilenamesPboardType])
5512 {
5513 NSArray *files;
5514 NSEnumerator *fenum;
5515 NSString *file;
5516
5517 if (!(files = [pb propertyListForType: type]))
5518 return NO;
5519
5520 fenum = [files objectEnumerator];
5521 while ( (file = [fenum nextObject]) )
5522 {
5523 emacs_event->kind = NS_NONKEY_EVENT;
5524 emacs_event->code = KEY_NS_DRAG_FILE;
5525 XSETINT (emacs_event->x, x);
5526 XSETINT (emacs_event->y, y);
5527 ns_input_file = append2 (ns_input_file,
5528 build_string ([file UTF8String]));
5529 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5530 EV_TRAILER (theEvent);
5531 }
5532 return YES;
5533 }
5534 else if ([type isEqualToString: NSURLPboardType])
5535 {
5536 NSString *file;
5537 NSURL *fileURL;
5538
5539 if (!(fileURL = [NSURL URLFromPasteboard: pb]) ||
5540 [fileURL isFileURL] == NO)
5541 return NO;
5542
5543 file = [fileURL path];
5544 emacs_event->kind = NS_NONKEY_EVENT;
5545 emacs_event->code = KEY_NS_DRAG_FILE;
5546 XSETINT (emacs_event->x, x);
5547 XSETINT (emacs_event->y, y);
5548 ns_input_file = append2 (ns_input_file, build_string ([file UTF8String]));
5549 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5550 EV_TRAILER (theEvent);
5551 return YES;
5552 }
5553 else if ([type isEqualToString: NSStringPboardType]
5554 || [type isEqualToString: NSTabularTextPboardType])
5555 {
5556 NSString *data;
5557
5558 if (! (data = [pb stringForType: type]))
5559 return NO;
5560
5561 emacs_event->kind = NS_NONKEY_EVENT;
5562 emacs_event->code = KEY_NS_DRAG_TEXT;
5563 XSETINT (emacs_event->x, x);
5564 XSETINT (emacs_event->y, y);
5565 ns_input_text = build_string ([data UTF8String]);
5566 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5567 EV_TRAILER (theEvent);
5568 return YES;
5569 }
5570 else if ([type isEqualToString: NSColorPboardType])
5571 {
5572 NSColor *c = [NSColor colorFromPasteboard: pb];
5573 emacs_event->kind = NS_NONKEY_EVENT;
5574 emacs_event->code = KEY_NS_DRAG_COLOR;
5575 XSETINT (emacs_event->x, x);
5576 XSETINT (emacs_event->y, y);
5577 ns_input_color = ns_color_to_lisp (c);
5578 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5579 EV_TRAILER (theEvent);
5580 return YES;
5581 }
5582 else if ([type isEqualToString: NSFontPboardType])
5583 {
5584 /* impl based on GNUstep NSTextView.m */
5585 NSData *data = [pb dataForType: NSFontPboardType];
5586 NSDictionary *dict = [NSUnarchiver unarchiveObjectWithData: data];
5587 NSFont *font = [dict objectForKey: NSFontAttributeName];
5588 char fontSize[10];
5589
5590 if (font == nil)
5591 return NO;
5592
5593 emacs_event->kind = NS_NONKEY_EVENT;
5594 emacs_event->code = KEY_NS_CHANGE_FONT;
5595 XSETINT (emacs_event->x, x);
5596 XSETINT (emacs_event->y, y);
5597 ns_input_font = build_string ([[font fontName] UTF8String]);
5598 snprintf (fontSize, 10, "%f", [font pointSize]);
5599 ns_input_fontsize = build_string (fontSize);
5600 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5601 EV_TRAILER (theEvent);
5602 return YES;
5603 }
5604 else
5605 {
5606 error ("Invalid data type in dragging pasteboard.");
5607 return NO;
5608 }
5609 }
5610
5611
5612 - validRequestorForSendType: (NSString *)typeSent
5613 returnType: (NSString *)typeReturned
5614 {
5615 NSTRACE (validRequestorForSendType);
5616 if ([ns_send_types indexOfObjectIdenticalTo: typeSent] != NSNotFound &&
5617 [ns_return_types indexOfObjectIdenticalTo: typeSent] != NSNotFound)
5618 return self;
5619
5620 return [super validRequestorForSendType: typeSent
5621 returnType: typeReturned];
5622 }
5623
5624
5625 /* The next two methods are part of NSServicesRequests informal protocol,
5626 supposedly called when a services menu item is chosen from this app.
5627 But this should not happen because we override the services menu with our
5628 own entries which call ns-perform-service.
5629 Nonetheless, it appeared to happen (under strange circumstances): bug#1435.
5630 So let's at least stub them out until further investigation can be done. */
5631
5632 - (BOOL) readSelectionFromPasteboard: (NSPasteboard *)pb
5633 {
5634 /* we could call ns_string_from_pasteboard(pboard) here but then it should
5635 be written into the buffer in place of the existing selection..
5636 ordinary service calls go through functions defined in ns-win.el */
5637 return NO;
5638 }
5639
5640 - (BOOL) writeSelectionToPasteboard: (NSPasteboard *)pb types: (NSArray *)types
5641 {
5642 /* supposed to write for as many of types as we are able */
5643 return NO;
5644 }
5645
5646
5647 /* setMini =YES means set from internal (gives a finder icon), NO means set nil
5648 (gives a miniaturized version of the window); currently we use the latter for
5649 frames whose active buffer doesn't correspond to any file
5650 (e.g., '*scratch*') */
5651 - setMiniwindowImage: (BOOL) setMini
5652 {
5653 id image = [[self window] miniwindowImage];
5654 NSTRACE (setMiniwindowImage);
5655
5656 /* NOTE: under Cocoa miniwindowImage always returns nil, documentation
5657 about "AppleDockIconEnabled" notwithstanding, however the set message
5658 below has its effect nonetheless. */
5659 if (image != emacsframe->output_data.ns->miniimage)
5660 {
5661 if (image && [image isKindOfClass: [EmacsImage class]])
5662 [image release];
5663 [[self window] setMiniwindowImage:
5664 setMini ? emacsframe->output_data.ns->miniimage : nil];
5665 }
5666
5667 return self;
5668 }
5669
5670
5671 - (void) setRows: (int) r andColumns: (int) c
5672 {
5673 rows = r;
5674 cols = c;
5675 }
5676
5677 @end /* EmacsView */
5678
5679
5680
5681 /* ==========================================================================
5682
5683 EmacsWindow implementation
5684
5685 ========================================================================== */
5686
5687 @implementation EmacsWindow
5688
5689 /* called only on resize clicks by special case in EmacsApp-sendEvent */
5690 - (void)mouseDown: (NSEvent *)theEvent
5691 {
5692 if (ns_in_resize)
5693 {
5694 NSSize size = [[theEvent window] frame].size;
5695 grabOffset = [theEvent locationInWindow];
5696 grabOffset.x = size.width - grabOffset.x;
5697 }
5698 else
5699 [super mouseDown: theEvent];
5700 }
5701
5702
5703 /* stop resizing */
5704 - (void)mouseUp: (NSEvent *)theEvent
5705 {
5706 if (ns_in_resize)
5707 {
5708 struct frame *f = ((EmacsView *)[self delegate])->emacsframe;
5709 ns_in_resize = NO;
5710 ns_set_name_as_filename (f);
5711 [self display];
5712 ns_send_appdefined (-1);
5713 }
5714 else
5715 [super mouseUp: theEvent];
5716 }
5717
5718
5719 /* send resize events */
5720 - (void)mouseDragged: (NSEvent *)theEvent
5721 {
5722 if (ns_in_resize)
5723 {
5724 NSPoint p = [theEvent locationInWindow];
5725 NSSize size, vettedSize, origSize = [self frame].size;
5726
5727 size.width = p.x + grabOffset.x;
5728 size.height = origSize.height - p.y + grabOffset.y;
5729
5730 if (size.width == origSize.width && size.height == origSize.height)
5731 return;
5732
5733 vettedSize = [[self delegate] windowWillResize: self toSize: size];
5734 if (vettedSize.width != size.width || vettedSize.height != size.height)
5735 {
5736 [[NSNotificationCenter defaultCenter]
5737 postNotificationName: NSWindowDidResizeNotification
5738 object: self];
5739 }
5740 }
5741 else
5742 [super mouseDragged: theEvent];
5743 }
5744
5745 @end /* EmacsWindow */
5746
5747
5748 /* ==========================================================================
5749
5750 EmacsScroller implementation
5751
5752 ========================================================================== */
5753
5754
5755 @implementation EmacsScroller
5756
5757 /* for repeat button push */
5758 #define SCROLL_BAR_FIRST_DELAY 0.5
5759 #define SCROLL_BAR_CONTINUOUS_DELAY (1.0 / 15)
5760
5761 + (CGFloat) scrollerWidth
5762 {
5763 /* TODO: if we want to allow variable widths, this is the place to do it,
5764 however neither GNUstep nor Cocoa support it very well */
5765 return [NSScroller scrollerWidth];
5766 }
5767
5768
5769 - initFrame: (NSRect )r window: (Lisp_Object)nwin
5770 {
5771 NSTRACE (EmacsScroller_initFrame);
5772
5773 r.size.width = [EmacsScroller scrollerWidth];
5774 [super initWithFrame: r/*NSMakeRect (0, 0, 0, 0)*/];
5775 [self setContinuous: YES];
5776 [self setEnabled: YES];
5777
5778 /* Ensure auto resizing of scrollbars occurs within the emacs frame's view
5779 locked against the top and bottom edges, and right edge on OS X, where
5780 scrollers are on right. */
5781 #ifdef NS_IMPL_GNUSTEP
5782 [self setAutoresizingMask: NSViewMaxXMargin | NSViewHeightSizable];
5783 #else
5784 [self setAutoresizingMask: NSViewMinXMargin | NSViewHeightSizable];
5785 #endif
5786
5787 win = nwin;
5788 condemned = NO;
5789 pixel_height = NSHeight (r);
5790 min_portion = 20 / pixel_height;
5791
5792 frame = XFRAME (XWINDOW (win)->frame);
5793 if (FRAME_LIVE_P (frame))
5794 {
5795 int i;
5796 EmacsView *view = FRAME_NS_VIEW (frame);
5797 NSView *sview = [[view window] contentView];
5798 NSArray *subs = [sview subviews];
5799
5800 /* disable optimization stopping redraw of other scrollbars */
5801 view->scrollbarsNeedingUpdate = 0;
5802 for (i =[subs count]-1; i >= 0; i--)
5803 if ([[subs objectAtIndex: i] isKindOfClass: [EmacsScroller class]])
5804 view->scrollbarsNeedingUpdate++;
5805 [sview addSubview: self];
5806 }
5807
5808 /* [self setFrame: r]; */
5809
5810 return self;
5811 }
5812
5813
5814 - (void)setFrame: (NSRect)newRect
5815 {
5816 NSTRACE (EmacsScroller_setFrame);
5817 /* BLOCK_INPUT; */
5818 pixel_height = NSHeight (newRect);
5819 min_portion = 20 / pixel_height;
5820 [super setFrame: newRect];
5821 [self display];
5822 /* UNBLOCK_INPUT; */
5823 }
5824
5825
5826 - (void)dealloc
5827 {
5828 NSTRACE (EmacsScroller_dealloc);
5829 if (!NILP (win))
5830 XWINDOW (win)->vertical_scroll_bar = Qnil;
5831 [super dealloc];
5832 }
5833
5834
5835 - condemn
5836 {
5837 NSTRACE (condemn);
5838 condemned =YES;
5839 return self;
5840 }
5841
5842
5843 - reprieve
5844 {
5845 NSTRACE (reprieve);
5846 condemned =NO;
5847 return self;
5848 }
5849
5850
5851 - judge
5852 {
5853 NSTRACE (judge);
5854 if (condemned)
5855 {
5856 EmacsView *view;
5857 BLOCK_INPUT;
5858 /* ensure other scrollbar updates after deletion */
5859 view = (EmacsView *)FRAME_NS_VIEW (frame);
5860 if (view != nil)
5861 view->scrollbarsNeedingUpdate++;
5862 [self removeFromSuperview];
5863 [self release];
5864 UNBLOCK_INPUT;
5865 }
5866 return self;
5867 }
5868
5869
5870 - (void)resetCursorRects
5871 {
5872 NSRect visible = [self visibleRect];
5873 NSTRACE (resetCursorRects);
5874
5875 if (!NSIsEmptyRect (visible))
5876 [self addCursorRect: visible cursor: [NSCursor arrowCursor]];
5877 [[NSCursor arrowCursor] setOnMouseEntered: YES];
5878 }
5879
5880
5881 - (int) checkSamePosition: (int) position portion: (int) portion
5882 whole: (int) whole
5883 {
5884 return em_position ==position && em_portion ==portion && em_whole ==whole
5885 && portion != whole; /* needed for resize empty buf */
5886 }
5887
5888
5889 - setPosition: (int)position portion: (int)portion whole: (int)whole
5890 {
5891 NSTRACE (setPosition);
5892
5893 em_position = position;
5894 em_portion = portion;
5895 em_whole = whole;
5896
5897 if (portion >= whole)
5898 [self setFloatValue: 0.0 knobProportion: 1.0];
5899 else
5900 {
5901 float pos, por;
5902 portion = max ((float)whole*min_portion/pixel_height, portion);
5903 pos = (float)position / (whole - portion);
5904 por = (float)portion/whole;
5905 [self setFloatValue: pos knobProportion: por];
5906 }
5907 return self;
5908 }
5909
5910 /* FIXME: unused at moment (see ns_mouse_position) at the moment because
5911 drag events will go directly to the EmacsScroller. Leaving in for now. */
5912 -(void)getMouseMotionPart: (int *)part window: (Lisp_Object *)window
5913 x: (Lisp_Object *)x y: ( Lisp_Object *)y
5914 {
5915 *part = last_hit_part;
5916 *window = win;
5917 XSETINT (*y, pixel_height);
5918 if ([self floatValue] > 0.999)
5919 XSETINT (*x, pixel_height);
5920 else
5921 XSETINT (*x, pixel_height * [self floatValue]);
5922 }
5923
5924
5925 /* set up emacs_event */
5926 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e
5927 {
5928 if (!emacs_event)
5929 return;
5930
5931 emacs_event->part = last_hit_part;
5932 emacs_event->code = 0;
5933 emacs_event->modifiers = EV_MODIFIERS (e) | down_modifier;
5934 emacs_event->frame_or_window = win;
5935 emacs_event->timestamp = EV_TIMESTAMP (e);
5936 emacs_event->kind = SCROLL_BAR_CLICK_EVENT;
5937 emacs_event->arg = Qnil;
5938 XSETINT (emacs_event->x, loc * pixel_height);
5939 XSETINT (emacs_event->y, pixel_height-20);
5940
5941 n_emacs_events_pending++;
5942 kbd_buffer_store_event_hold (emacs_event, q_event_ptr);
5943 EVENT_INIT (*emacs_event);
5944 ns_send_appdefined (-1);
5945 }
5946
5947
5948 /* called manually thru timer to implement repeated button action w/hold-down */
5949 - repeatScroll: (NSTimer *)scrollEntry
5950 {
5951 NSEvent *e = [[self window] currentEvent];
5952 NSPoint p = [[self window] mouseLocationOutsideOfEventStream];
5953 BOOL inKnob = [self testPart: p] == NSScrollerKnob;
5954
5955 /* clear timer if need be */
5956 if (inKnob || [scroll_repeat_entry timeInterval] == SCROLL_BAR_FIRST_DELAY)
5957 {
5958 [scroll_repeat_entry invalidate];
5959 [scroll_repeat_entry release];
5960 scroll_repeat_entry = nil;
5961
5962 if (inKnob)
5963 return self;
5964
5965 scroll_repeat_entry
5966 = [[NSTimer scheduledTimerWithTimeInterval:
5967 SCROLL_BAR_CONTINUOUS_DELAY
5968 target: self
5969 selector: @selector (repeatScroll:)
5970 userInfo: 0
5971 repeats: YES]
5972 retain];
5973 }
5974
5975 [self sendScrollEventAtLoc: 0 fromEvent: e];
5976 return self;
5977 }
5978
5979
5980 /* Asynchronous mouse tracking for scroller. This allows us to dispatch
5981 mouseDragged events without going into a modal loop. */
5982 - (void)mouseDown: (NSEvent *)e
5983 {
5984 NSRect sr, kr;
5985 /* hitPart is only updated AFTER event is passed on */
5986 NSScrollerPart part = [self testPart: [e locationInWindow]];
5987 double inc = 0.0, loc, kloc, pos;
5988 int edge = 0;
5989
5990 NSTRACE (EmacsScroller_mouseDown);
5991
5992 switch (part)
5993 {
5994 case NSScrollerDecrementPage:
5995 last_hit_part = scroll_bar_above_handle; inc = -1.0; break;
5996 case NSScrollerIncrementPage:
5997 last_hit_part = scroll_bar_below_handle; inc = 1.0; break;
5998 case NSScrollerDecrementLine:
5999 last_hit_part = scroll_bar_up_arrow; inc = -0.1; break;
6000 case NSScrollerIncrementLine:
6001 last_hit_part = scroll_bar_down_arrow; inc = 0.1; break;
6002 case NSScrollerKnob:
6003 last_hit_part = scroll_bar_handle; break;
6004 case NSScrollerKnobSlot: /* GNUstep-only */
6005 last_hit_part = scroll_bar_move_ratio; break;
6006 default: /* NSScrollerNoPart? */
6007 fprintf (stderr, "EmacsScoller-mouseDown: unexpected part %ld\n",
6008 (long) part);
6009 return;
6010 }
6011
6012 if (inc != 0.0)
6013 {
6014 pos = 0; /* ignored */
6015
6016 /* set a timer to repeat, as we can't let superclass do this modally */
6017 scroll_repeat_entry
6018 = [[NSTimer scheduledTimerWithTimeInterval: SCROLL_BAR_FIRST_DELAY
6019 target: self
6020 selector: @selector (repeatScroll:)
6021 userInfo: 0
6022 repeats: YES]
6023 retain];
6024 }
6025 else
6026 {
6027 /* handle, or on GNUstep possibly slot */
6028 NSEvent *fake_event;
6029
6030 /* compute float loc in slot and mouse offset on knob */
6031 sr = [self convertRect: [self rectForPart: NSScrollerKnobSlot]
6032 toView: nil];
6033 loc = NSHeight (sr) - ([e locationInWindow].y - NSMinY (sr));
6034 if (loc <= 0.0)
6035 {
6036 loc = 0.0;
6037 edge = -1;
6038 }
6039 else if (loc >= NSHeight (sr))
6040 {
6041 loc = NSHeight (sr);
6042 edge = 1;
6043 }
6044
6045 if (edge)
6046 kloc = 0.5 * edge;
6047 else
6048 {
6049 kr = [self convertRect: [self rectForPart: NSScrollerKnob]
6050 toView: nil];
6051 kloc = NSHeight (kr) - ([e locationInWindow].y - NSMinY (kr));
6052 }
6053 last_mouse_offset = kloc;
6054
6055 /* if knob, tell emacs a location offset by knob pos
6056 (to indicate top of handle) */
6057 if (part == NSScrollerKnob)
6058 pos = (loc - last_mouse_offset) / NSHeight (sr);
6059 else
6060 /* else this is a slot click on GNUstep: go straight there */
6061 pos = loc / NSHeight (sr);
6062
6063 /* send a fake mouse-up to super to preempt modal -trackKnob: mode */
6064 fake_event = [NSEvent mouseEventWithType: NSLeftMouseUp
6065 location: [e locationInWindow]
6066 modifierFlags: [e modifierFlags]
6067 timestamp: [e timestamp]
6068 windowNumber: [e windowNumber]
6069 context: [e context]
6070 eventNumber: [e eventNumber]
6071 clickCount: [e clickCount]
6072 pressure: [e pressure]];
6073 [super mouseUp: fake_event];
6074 }
6075
6076 if (part != NSScrollerKnob)
6077 [self sendScrollEventAtLoc: pos fromEvent: e];
6078 }
6079
6080
6081 /* Called as we manually track scroller drags, rather than superclass. */
6082 - (void)mouseDragged: (NSEvent *)e
6083 {
6084 NSRect sr;
6085 double loc, pos;
6086 int edge = 0;
6087
6088 NSTRACE (EmacsScroller_mouseDragged);
6089
6090 sr = [self convertRect: [self rectForPart: NSScrollerKnobSlot]
6091 toView: nil];
6092 loc = NSHeight (sr) - ([e locationInWindow].y - NSMinY (sr));
6093
6094 if (loc <= 0.0)
6095 {
6096 loc = 0.0;
6097 edge = -1;
6098 }
6099 else if (loc >= NSHeight (sr) + last_mouse_offset)
6100 {
6101 loc = NSHeight (sr) + last_mouse_offset;
6102 edge = 1;
6103 }
6104
6105 pos = /*(edge ? loc :*/ (loc - last_mouse_offset) / NSHeight (sr);
6106 [self sendScrollEventAtLoc: pos fromEvent: e];
6107 }
6108
6109
6110 - (void)mouseUp: (NSEvent *)e
6111 {
6112 if (scroll_repeat_entry)
6113 {
6114 [scroll_repeat_entry invalidate];
6115 [scroll_repeat_entry release];
6116 scroll_repeat_entry = nil;
6117 }
6118 last_hit_part = 0;
6119 }
6120
6121
6122 /* treat scrollwheel events in the bar as though they were in the main window */
6123 - (void) scrollWheel: (NSEvent *)theEvent
6124 {
6125 EmacsView *view = (EmacsView *)FRAME_NS_VIEW (frame);
6126 [view mouseDown: theEvent];
6127 }
6128
6129 @end /* EmacsScroller */
6130
6131
6132
6133
6134 /* ==========================================================================
6135
6136 Font-related functions; these used to be in nsfaces.m
6137
6138 ========================================================================== */
6139
6140
6141 Lisp_Object
6142 x_new_font (struct frame *f, Lisp_Object font_object, int fontset)
6143 {
6144 struct font *font = XFONT_OBJECT (font_object);
6145
6146 if (fontset < 0)
6147 fontset = fontset_from_font (font_object);
6148 FRAME_FONTSET (f) = fontset;
6149
6150 if (FRAME_FONT (f) == font)
6151 /* This font is already set in frame F. There's nothing more to
6152 do. */
6153 return font_object;
6154
6155 FRAME_FONT (f) = font;
6156
6157 FRAME_BASELINE_OFFSET (f) = font->baseline_offset;
6158 FRAME_COLUMN_WIDTH (f) = font->average_width;
6159 FRAME_SPACE_WIDTH (f) = font->space_width;
6160 FRAME_LINE_HEIGHT (f) = font->height;
6161
6162 compute_fringe_widths (f, 1);
6163
6164 /* Compute the scroll bar width in character columns. */
6165 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0)
6166 {
6167 int wid = FRAME_COLUMN_WIDTH (f);
6168 FRAME_CONFIG_SCROLL_BAR_COLS (f)
6169 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) + wid - 1) / wid;
6170 }
6171 else
6172 {
6173 int wid = FRAME_COLUMN_WIDTH (f);
6174 FRAME_CONFIG_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid;
6175 }
6176
6177 /* Now make the frame display the given font. */
6178 if (FRAME_NS_WINDOW (f) != 0)
6179 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
6180
6181 return font_object;
6182 }
6183
6184
6185 /* XLFD: -foundry-family-weight-slant-swidth-adstyle-pxlsz-ptSz-resx-resy-spc-avgWidth-rgstry-encoding */
6186 /* Note: ns_font_to_xlfd and ns_fontname_to_xlfd no longer needed, removed
6187 in 1.43. */
6188
6189 const char *
6190 ns_xlfd_to_fontname (const char *xlfd)
6191 /* --------------------------------------------------------------------------
6192 Convert an X font name (XLFD) to an NS font name.
6193 Only family is used.
6194 The string returned is temporarily allocated.
6195 -------------------------------------------------------------------------- */
6196 {
6197 char *name = xmalloc (180);
6198 int i, len;
6199 const char *ret;
6200
6201 if (!strncmp (xlfd, "--", 2))
6202 sscanf (xlfd, "--%*[^-]-%[^-]179-", name);
6203 else
6204 sscanf (xlfd, "-%*[^-]-%[^-]179-", name);
6205
6206 /* stopgap for malformed XLFD input */
6207 if (strlen (name) == 0)
6208 strcpy (name, "Monaco");
6209
6210 /* undo hack in ns_fontname_to_xlfd, converting '$' to '-', '_' to ' '
6211 also uppercase after '-' or ' ' */
6212 name[0] = toupper (name[0]);
6213 for (len =strlen (name), i =0; i<len; i++)
6214 {
6215 if (name[i] == '$')
6216 {
6217 name[i] = '-';
6218 if (i+1<len)
6219 name[i+1] = toupper (name[i+1]);
6220 }
6221 else if (name[i] == '_')
6222 {
6223 name[i] = ' ';
6224 if (i+1<len)
6225 name[i+1] = toupper (name[i+1]);
6226 }
6227 }
6228 /*fprintf (stderr, "converted '%s' to '%s'\n",xlfd,name); */
6229 ret = [[NSString stringWithUTF8String: name] UTF8String];
6230 xfree (name);
6231 return ret;
6232 }
6233
6234
6235 void
6236 syms_of_nsterm (void)
6237 {
6238 NSTRACE (syms_of_nsterm);
6239
6240 ns_antialias_threshold = 10.0;
6241
6242 /* from 23+ we need to tell emacs what modifiers there are.. */
6243 DEFSYM (Qmodifier_value, "modifier-value");
6244 DEFSYM (Qalt, "alt");
6245 DEFSYM (Qhyper, "hyper");
6246 DEFSYM (Qmeta, "meta");
6247 DEFSYM (Qsuper, "super");
6248 DEFSYM (Qcontrol, "control");
6249 DEFSYM (Qnone, "none");
6250 Fput (Qalt, Qmodifier_value, make_number (alt_modifier));
6251 Fput (Qhyper, Qmodifier_value, make_number (hyper_modifier));
6252 Fput (Qmeta, Qmodifier_value, make_number (meta_modifier));
6253 Fput (Qsuper, Qmodifier_value, make_number (super_modifier));
6254 Fput (Qcontrol, Qmodifier_value, make_number (ctrl_modifier));
6255
6256 DEFVAR_LISP ("ns-input-file", ns_input_file,
6257 "The file specified in the last NS event.");
6258 ns_input_file =Qnil;
6259
6260 DEFVAR_LISP ("ns-input-text", ns_input_text,
6261 "The data received in the last NS text drag event.");
6262 ns_input_text =Qnil;
6263
6264 DEFVAR_LISP ("ns-working-text", ns_working_text,
6265 "String for visualizing working composition sequence.");
6266 ns_working_text =Qnil;
6267
6268 DEFVAR_LISP ("ns-input-font", ns_input_font,
6269 "The font specified in the last NS event.");
6270 ns_input_font =Qnil;
6271
6272 DEFVAR_LISP ("ns-input-fontsize", ns_input_fontsize,
6273 "The fontsize specified in the last NS event.");
6274 ns_input_fontsize =Qnil;
6275
6276 DEFVAR_LISP ("ns-input-line", ns_input_line,
6277 "The line specified in the last NS event.");
6278 ns_input_line =Qnil;
6279
6280 DEFVAR_LISP ("ns-input-color", ns_input_color,
6281 "The color specified in the last NS event.");
6282 ns_input_color =Qnil;
6283
6284 DEFVAR_LISP ("ns-input-spi-name", ns_input_spi_name,
6285 "The service name specified in the last NS event.");
6286 ns_input_spi_name =Qnil;
6287
6288 DEFVAR_LISP ("ns-input-spi-arg", ns_input_spi_arg,
6289 "The service argument specified in the last NS event.");
6290 ns_input_spi_arg =Qnil;
6291
6292 DEFVAR_LISP ("ns-alternate-modifier", ns_alternate_modifier,
6293 "This variable describes the behavior of the alternate or option key.\n\
6294 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
6295 Set to none means that the alternate / option key is not interpreted by Emacs\n\
6296 at all, allowing it to be used at a lower level for accented character entry.");
6297 ns_alternate_modifier = Qmeta;
6298
6299 DEFVAR_LISP ("ns-right-alternate-modifier", ns_right_alternate_modifier,
6300 "This variable describes the behavior of the right alternate or option key.\n\
6301 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
6302 Set to left means be the same key as `ns-alternate-modifier'.\n\
6303 Set to none means that the alternate / option key is not interpreted by Emacs\n\
6304 at all, allowing it to be used at a lower level for accented character entry.");
6305 ns_right_alternate_modifier = Qleft;
6306
6307 DEFVAR_LISP ("ns-command-modifier", ns_command_modifier,
6308 "This variable describes the behavior of the command key.\n\
6309 Set to control, meta, alt, super, or hyper means it is taken to be that key.");
6310 ns_command_modifier = Qsuper;
6311
6312 DEFVAR_LISP ("ns-right-command-modifier", ns_right_command_modifier,
6313 "This variable describes the behavior of the right command key.\n\
6314 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
6315 Set to left means be the same key as `ns-command-modifier'.\n\
6316 Set to none means that the command / option key is not interpreted by Emacs\n\
6317 at all, allowing it to be used at a lower level for accented character entry.");
6318 ns_right_command_modifier = Qleft;
6319
6320 DEFVAR_LISP ("ns-control-modifier", ns_control_modifier,
6321 "This variable describes the behavior of the control key.\n\
6322 Set to control, meta, alt, super, or hyper means it is taken to be that key.");
6323 ns_control_modifier = Qcontrol;
6324
6325 DEFVAR_LISP ("ns-right-control-modifier", ns_right_control_modifier,
6326 "This variable describes the behavior of the right control key.\n\
6327 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
6328 Set to left means be the same key as `ns-control-modifier'.\n\
6329 Set to none means that the control / option key is not interpreted by Emacs\n\
6330 at all, allowing it to be used at a lower level for accented character entry.");
6331 ns_right_control_modifier = Qleft;
6332
6333 DEFVAR_LISP ("ns-function-modifier", ns_function_modifier,
6334 "This variable describes the behavior of the function key (on laptops).\n\
6335 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
6336 Set to none means that the function key is not interpreted by Emacs at all,\n\
6337 allowing it to be used at a lower level for accented character entry.");
6338 ns_function_modifier = Qnone;
6339
6340 DEFVAR_LISP ("ns-antialias-text", ns_antialias_text,
6341 "Non-nil (the default) means to render text antialiased. Only has an effect on OS X Panther and above.");
6342 ns_antialias_text = Qt;
6343
6344 DEFVAR_LISP ("ns-confirm-quit", ns_confirm_quit,
6345 "Whether to confirm application quit using dialog.");
6346 ns_confirm_quit = Qnil;
6347
6348 staticpro (&ns_display_name_list);
6349 ns_display_name_list = Qnil;
6350
6351 staticpro (&last_mouse_motion_frame);
6352 last_mouse_motion_frame = Qnil;
6353
6354 /* TODO: move to common code */
6355 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars,
6356 doc: /* If not nil, Emacs uses toolkit scroll bars. */);
6357 #ifdef USE_TOOLKIT_SCROLL_BARS
6358 Vx_toolkit_scroll_bars = Qt;
6359 #else
6360 Vx_toolkit_scroll_bars = Qnil;
6361 #endif
6362
6363 /* these are unsupported but we need the declarations to avoid whining
6364 messages from cus-start.el */
6365 DEFVAR_BOOL ("x-use-underline-position-properties",
6366 x_use_underline_position_properties,
6367 doc: /* NOT SUPPORTED UNDER NS.
6368 *Non-nil means make use of UNDERLINE_POSITION font properties.
6369 A value of nil means ignore them. If you encounter fonts with bogus
6370 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6371 to 4.1, set this to nil.
6372
6373 NOTE: Not supported on Mac yet. */);
6374 x_use_underline_position_properties = 0;
6375
6376 DEFVAR_BOOL ("x-underline-at-descent-line",
6377 x_underline_at_descent_line,
6378 doc: /* NOT SUPPORTED UNDER NS.
6379 *Non-nil means to draw the underline at the same place as the descent line.
6380 A value of nil means to draw the underline according to the value of the
6381 variable `x-use-underline-position-properties', which is usually at the
6382 baseline level. The default value is nil. */);
6383 x_underline_at_descent_line = 0;
6384
6385 /* Tell emacs about this window system. */
6386 Fprovide (intern ("ns"), Qnil);
6387 }
6388
6389
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