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[bpt/emacs.git] / lwlib / xlwmenu.c
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5c520e0a 1/* Implements a lightweight menubar widget.
67f02b82 2
81e32ca3 3Copyright (C) 1992 Lucid, Inc.
73b0cd50 4Copyright (C) 1994-1995, 1997, 1999-2011 Free Software Foundation, Inc.
07bf635f
RS		 5
6This file is part of the Lucid Widget Library.
7
5c520e0a 8The Lucid Widget Library is free software; you can redistribute it and/or
07bf635f
RS		 9modify it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2, or (at your option)
11any later version.
12
13The Lucid Widget Library is distributed in the hope that it will be useful,
5c520e0a 14but WITHOUT ANY WARRANTY; without even the implied warranty of
07bf635f
RS		 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
1fb87c77 19along with GNU Emacs; see the file COPYING. If not, write to the
364c38d3
LK		 20Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21Boston, MA 02110-1301, USA. */
07bf635f
RS		 22
23/* Created by devin@lucid.com */
24
0f0912e6
PE		 25#ifdef HAVE_CONFIG_H
26#include <config.h>
27#endif
28
d7306fe6 29#include <setjmp.h>
67f02b82 30#include <lisp.h>
2f96293d 31
07bf635f 32#include <stdio.h>
99852628 33#include <ctype.h>
07bf635f
RS		 34
35#include <sys/types.h>
5c520e0a
SS		 36#if (defined __sun) && !(defined SUNOS41)
37#define SUNOS41
07bf635f 38#include <X11/Xos.h>
5c520e0a
SS		 39#undef SUNOS41
40#else
41#include <X11/Xos.h>
42#endif
07bf635f 43#include <X11/IntrinsicP.h>
2289f3f4 44#include <X11/ObjectP.h>
07bf635f
RS		 45#include <X11/StringDefs.h>
46#include <X11/cursorfont.h>
f0bd1598 47#include <X11/Shell.h>
07bf635f 48#include "xlwmenuP.h"
fc8fefed 49
a57a1605 50#ifdef emacs
f1c16db4
GM		 51
52/* Defined in xfns.c. When config.h defines `static' as empty, we get
53 redefinition errors when gray_bitmap is included more than once, so
54 we're referring to the one include in xfns.c here. */
55
56extern int gray_bitmap_width;
57extern int gray_bitmap_height;
5916243b 58extern char *gray_bitmap_bits;
f1c16db4 59
67f02b82 60#include <xterm.h>
1f5df1f7 61
f1c16db4
GM		 62#else /* not emacs */
63
64#include <X11/bitmaps/gray>
65#define gray_bitmap_width gray_width
66#define gray_bitmap_height gray_height
67#define gray_bitmap_bits gray_bits
68
69#endif /* not emacs */
d398028f
PR		 70
71static int pointer_grabbed;
72static XEvent menu_post_event;
07bf635f 73
5c520e0a
SS		 74static char
75xlwMenuTranslations [] =
ba624d0f
RS		 76"<BtnDown>: start()\n\
77<Motion>: drag()\n\
78<BtnUp>: select()\n\
79<Key>Shift_L: nothing()\n\
80<Key>Shift_R: nothing()\n\
81<Key>Meta_L: nothing()\n\
82<Key>Meta_R: nothing()\n\
83<Key>Control_L: nothing()\n\
84<Key>Control_R: nothing()\n\
85<Key>Hyper_L: nothing()\n\
86<Key>Hyper_R: nothing()\n\
87<Key>Super_L: nothing()\n\
88<Key>Super_R: nothing()\n\
89<Key>Alt_L: nothing()\n\
90<Key>Alt_R: nothing()\n\
91<Key>Caps_Lock: nothing()\n\
92<Key>Shift_Lock: nothing()\n\
93<KeyUp>Shift_L: nothing()\n\
94<KeyUp>Shift_R: nothing()\n\
95<KeyUp>Meta_L: nothing()\n\
96<KeyUp>Meta_R: nothing()\n\
97<KeyUp>Control_L: nothing()\n\
98<KeyUp>Control_R: nothing()\n\
99<KeyUp>Hyper_L: nothing()\n\
100<KeyUp>Hyper_R: nothing()\n\
101<KeyUp>Super_L: nothing()\n\
102<KeyUp>Super_R: nothing()\n\
103<KeyUp>Alt_L: nothing()\n\
104<KeyUp>Alt_R: nothing()\n\
105<KeyUp>Caps_Lock: nothing()\n\
106<KeyUp>Shift_Lock:nothing()\n\
a7e19a26
PJ		 107<Key>Return: select()\n\
108<Key>Down: down()\n\
109<Key>Up: up()\n\
110<Key>Left: left()\n\
111<Key>Right: right()\n\
ba624d0f
RS		 112<Key>: key()\n\
113<KeyUp>: key()\n\
07bf635f
RS		 114";
115
a7e19a26
PJ		 116/* FIXME: Space should toggle toggleable menu item but not remove the menu
117 so you can toggle the next one without entering the menu again. */
118
119/* FIXME: Should ESC close one level of menu structure or the complete menu? */
120
2376c841 121/* FIXME: F10 should enter the menu, the first one in the menu-bar. */
a7e19a26 122
07bf635f 123#define offset(field) XtOffset(XlwMenuWidget, field)
5c520e0a 124static XtResource
07bf635f 125xlwMenuResources[] =
5c520e0a 126{
423a3f59 127#ifdef HAVE_X_I18N
2015c054
JD		 128 {XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet),
129 offset(menu.fontSet), XtRFontSet, NULL},
99852628
JD		 130#endif
131#ifdef HAVE_XFT
3928f2b6
JD		 132#define DEFAULT_FONTNAME "Sans-10"
133#else
134#define DEFAULT_FONTNAME "XtDefaultFont"
2015c054 135#endif
3928f2b6
JD		 136 {XtNfont, XtCFont, XtRString, sizeof(String),
137 offset(menu.fontName), XtRString, DEFAULT_FONTNAME },
07bf635f
RS		 138 {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
139 offset(menu.foreground), XtRString, "XtDefaultForeground"},
8b71a9ca
PJ		 140 {XtNdisabledForeground, XtCDisabledForeground, XtRPixel, sizeof(Pixel),
141 offset(menu.disabled_foreground), XtRString, (XtPointer)NULL},
07bf635f
RS		 142 {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel),
143 offset(menu.button_foreground), XtRString, "XtDefaultForeground"},
144 {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension),
2376c841 145 offset(menu.margin), XtRImmediate, (XtPointer)1},
07bf635f
RS		 146 {XtNhorizontalSpacing, XtCMargin, XtRDimension, sizeof(Dimension),
147 offset(menu.horizontal_spacing), XtRImmediate, (XtPointer)3},
148 {XtNverticalSpacing, XtCMargin, XtRDimension, sizeof(Dimension),
2376c841 149 offset(menu.vertical_spacing), XtRImmediate, (XtPointer)2},
07bf635f
RS		 150 {XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension),
151 offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10},
152
d398028f 153 {XmNshadowThickness, XmCShadowThickness, XtRDimension,
07bf635f 154 sizeof (Dimension), offset (menu.shadow_thickness),
2376c841 155 XtRImmediate, (XtPointer)1},
07bf635f
RS		 156 {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel),
157 offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1},
158 {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel),
159 offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1},
160 {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap),
161 offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None},
162 {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap),
163 offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None},
164
5c520e0a 165 {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer),
07bf635f 166 offset(menu.open), XtRCallback, (XtPointer)NULL},
5c520e0a 167 {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer),
07bf635f 168 offset(menu.select), XtRCallback, (XtPointer)NULL},
5c520e0a 169 {XtNhighlightCallback, XtCCallback, XtRCallback, sizeof(XtPointer),
d6fd6371 170 offset(menu.highlight), XtRCallback, (XtPointer)NULL},
1ecd5086
JD		 171 {XtNenterCallback, XtCCallback, XtRCallback, sizeof(XtPointer),
172 offset(menu.enter), XtRCallback, (XtPointer)NULL},
173 {XtNleaveCallback, XtCCallback, XtRCallback, sizeof(XtPointer),
174 offset(menu.leave), XtRCallback, (XtPointer)NULL},
07bf635f
RS		 175 {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer),
176 offset(menu.contents), XtRImmediate, (XtPointer)NULL},
177 {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor),
178 offset(menu.cursor_shape), XtRString, (XtPointer)"right_ptr"},
179 {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int),
180 offset(menu.horizontal), XtRImmediate, (XtPointer)True},
181};
182#undef offset
183
e4c8d29a
J		 184static Boolean XlwMenuSetValues(Widget current, Widget request, Widget new,
185 ArgList args, Cardinal *num_args);
c825c0b6 186static void XlwMenuRealize(Widget, Mask *, XSetWindowAttributes *);
c3174d16 187static void XlwMenuResize(Widget w);
c825c0b6 188static void XlwMenuInitialize(Widget, Widget, ArgList, Cardinal *);
c3174d16
DN		 189static void XlwMenuRedisplay(Widget w, XEvent *ev, Region region);
190static void XlwMenuDestroy(Widget w);
191static void XlwMenuClassInitialize(void);
192static void Start(Widget w, XEvent *ev, String *params, Cardinal *num_params);
193static void Drag(Widget w, XEvent *ev, String *params, Cardinal *num_params);
194static void Down(Widget w, XEvent *ev, String *params, Cardinal *num_params);
195static void Up(Widget w, XEvent *ev, String *params, Cardinal *num_params);
196static void Left(Widget w, XEvent *ev, String *params, Cardinal *num_params);
197static void Right(Widget w, XEvent *ev, String *params, Cardinal *num_params);
198static void Select(Widget w, XEvent *ev, String *params, Cardinal *num_params);
199static void Key(Widget w, XEvent *ev, String *params, Cardinal *num_params);
200static void Nothing(Widget w, XEvent *ev, String *params, Cardinal *num_params);
f57e2426
J		 201static int separator_height (enum menu_separator);
202static void pop_up_menu (XlwMenuWidget, XButtonPressedEvent *);
b27f3b2f 203static void abort_gracefully (Widget w) NO_RETURN;
07bf635f 204
5c520e0a 205static XtActionsRec
07bf635f
RS		 206xlwMenuActionsList [] =
207{
208 {"start", Start},
209 {"drag", Drag},
a7e19a26
PJ		 210 {"down", Down},
211 {"up", Up},
212 {"left", Left},
213 {"right", Right},
07bf635f 214 {"select", Select},
ba624d0f 215 {"key", Key},
4220b2a5 216 {"MenuGadgetEscape", Key}, /* Compatibility with Lesstif/Motif. */
ba624d0f 217 {"nothing", Nothing},
07bf635f
RS		 218};
219
220#define SuperClass ((CoreWidgetClass)&coreClassRec)
221
222XlwMenuClassRec xlwMenuClassRec =
223{
224 { /* CoreClass fields initialization */
5c520e0a 225 (WidgetClass) SuperClass, /* superclass */
07bf635f
RS		 226 "XlwMenu", /* class_name */
227 sizeof(XlwMenuRec), /* size */
228 XlwMenuClassInitialize, /* class_initialize */
229 NULL, /* class_part_initialize */
230 FALSE, /* class_inited */
231 XlwMenuInitialize, /* initialize */
232 NULL, /* initialize_hook */
233 XlwMenuRealize, /* realize */
234 xlwMenuActionsList, /* actions */
235 XtNumber(xlwMenuActionsList), /* num_actions */
236 xlwMenuResources, /* resources */
237 XtNumber(xlwMenuResources), /* resource_count */
238 NULLQUARK, /* xrm_class */
239 TRUE, /* compress_motion */
423a3f59 240 XtExposeCompressMaximal, /* compress_exposure */
07bf635f
RS		 241 TRUE, /* compress_enterleave */
242 FALSE, /* visible_interest */
243 XlwMenuDestroy, /* destroy */
244 XlwMenuResize, /* resize */
245 XlwMenuRedisplay, /* expose */
246 XlwMenuSetValues, /* set_values */
247 NULL, /* set_values_hook */
248 XtInheritSetValuesAlmost, /* set_values_almost */
249 NULL, /* get_values_hook */
250 NULL, /* accept_focus */
251 XtVersion, /* version */
252 NULL, /* callback_private */
253 xlwMenuTranslations, /* tm_table */
254 XtInheritQueryGeometry, /* query_geometry */
255 XtInheritDisplayAccelerator, /* display_accelerator */
256 NULL /* extension */
257 }, /* XlwMenuClass fields initialization */
258 {
259 0 /* dummy */
260 },
261};
262
263WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec;
264
d398028f
PR		 265int submenu_destroyed;
266
005e0d57
JD		 267/* For debug, if installation-directory is non-nil this is not an installed
268 Emacs. In that case we do not grab the keyboard to make it easier to
269 debug. */
270#define GRAB_KEYBOARD (EQ (Vinstallation_directory, Qnil))
4db7db7d 271
d398028f
PR		 272static int next_release_must_exit;
273
07bf635f 274\f/* Utilities */
be06a3df 275
4db7db7d
JD		 276/* Ungrab pointer and keyboard */
277static void
c3174d16 278ungrab_all (Widget w, Time ungrabtime)
4db7db7d
JD		 279{
280 XtUngrabPointer (w, ungrabtime);
005e0d57 281 if (GRAB_KEYBOARD) XtUngrabKeyboard (w, ungrabtime);
4db7db7d 282}
be06a3df
GM		 283
284/* Like abort, but remove grabs from widget W before. */
285
286static void
c3174d16 287abort_gracefully (Widget w)
be06a3df
GM		 288{
289 if (XtIsShell (XtParent (w)))
290 XtRemoveGrab (w);
4db7db7d 291 ungrab_all (w, CurrentTime);
be06a3df
GM		 292 abort ();
293}
294
07bf635f 295static void
c3174d16 296push_new_stack (XlwMenuWidget mw, widget_value *val)
07bf635f
RS		 297{
298 if (!mw->menu.new_stack)
299 {
300 mw->menu.new_stack_length = 10;
301 mw->menu.new_stack =
302 (widget_value**)XtCalloc (mw->menu.new_stack_length,
303 sizeof (widget_value*));
304 }
305 else if (mw->menu.new_depth == mw->menu.new_stack_length)
306 {
307 mw->menu.new_stack_length *= 2;
308 mw->menu.new_stack =
309 (widget_value**)XtRealloc ((char*)mw->menu.new_stack,
310 mw->menu.new_stack_length * sizeof (widget_value*));
311 }
312 mw->menu.new_stack [mw->menu.new_depth++] = val;
313}
314
315static void
c3174d16 316pop_new_stack_if_no_contents (XlwMenuWidget mw)
07bf635f 317{
fa74535d 318 if (mw->menu.new_depth > 1)
07bf635f
RS		 319 {
320 if (!mw->menu.new_stack [mw->menu.new_depth - 1]->contents)
321 mw->menu.new_depth -= 1;
322 }
323}
324
325static void
c3174d16 326make_old_stack_space (XlwMenuWidget mw, int n)
07bf635f
RS		 327{
328 if (!mw->menu.old_stack)
329 {
330 mw->menu.old_stack_length = 10;
331 mw->menu.old_stack =
332 (widget_value**)XtCalloc (mw->menu.old_stack_length,
333 sizeof (widget_value*));
334 }
335 else if (mw->menu.old_stack_length < n)
336 {
337 mw->menu.old_stack_length *= 2;
338 mw->menu.old_stack =
339 (widget_value**)XtRealloc ((char*)mw->menu.old_stack,
340 mw->menu.old_stack_length * sizeof (widget_value*));
341 }
342}
343
344\f/* Size code */
1f5df1f7 345static int
c3174d16 346string_width (XlwMenuWidget mw, char *s)
07bf635f
RS		 347{
348 XCharStruct xcs;
349 int drop;
99852628
JD		 350#ifdef HAVE_XFT
351 if (mw->menu.xft_font)
352 {
353 XGlyphInfo gi;
354 XftTextExtentsUtf8 (XtDisplay (mw), mw->menu.xft_font,
355 (FcChar8 *) s,
356 strlen (s), &gi);
357 return gi.width;
358 }
359#endif
2015c054 360#ifdef HAVE_X_I18N
2015c054
JD		 361 if (mw->menu.fontSet)
362 {
99852628 363 XRectangle ink, logical;
2015c054
JD		 364 XmbTextExtents (mw->menu.fontSet, s, strlen (s), &ink, &logical);
365 return logical.width;
366 }
367#endif
5c520e0a 368
07bf635f
RS		 369 XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs);
370 return xcs.width;
2015c054 371
07bf635f
RS		 372}
373
99852628
JD		 374#ifdef HAVE_XFT
375#define MENU_FONT_HEIGHT(mw) \
376 ((mw)->menu.xft_font != NULL \
377 ? (mw)->menu.xft_font->height \
378 : ((mw)->menu.fontSet != NULL \
379 ? (mw)->menu.font_extents->max_logical_extent.height \
380 : (mw)->menu.font->ascent + (mw)->menu.font->descent))
381#define MENU_FONT_ASCENT(mw) \
382 ((mw)->menu.xft_font != NULL \
383 ? (mw)->menu.xft_font->ascent \
384 : ((mw)->menu.fontSet != NULL \
385 ? - (mw)->menu.font_extents->max_logical_extent.y \
386 : (mw)->menu.font->ascent))
387#else
423a3f59
SM		 388#ifdef HAVE_X_I18N
389#define MENU_FONT_HEIGHT(mw) \
2015c054
JD		 390 ((mw)->menu.fontSet != NULL \
391 ? (mw)->menu.font_extents->max_logical_extent.height \
392 : (mw)->menu.font->ascent + (mw)->menu.font->descent)
15df8e89 393#define MENU_FONT_ASCENT(mw) \
2015c054
JD		 394 ((mw)->menu.fontSet != NULL \
395 ? - (mw)->menu.font_extents->max_logical_extent.y \
396 : (mw)->menu.font->ascent)
423a3f59
SM		 397#else
398#define MENU_FONT_HEIGHT(mw) \
399 ((mw)->menu.font->ascent + (mw)->menu.font->descent)
400#define MENU_FONT_ASCENT(mw) ((mw)->menu.font->ascent)
401#endif
99852628 402#endif
423a3f59 403
07bf635f 404static int
c3174d16 405arrow_width (XlwMenuWidget mw)
07bf635f 406{
423a3f59 407 return (MENU_FONT_ASCENT (mw) * 3/4) | 1;
07bf635f
RS		 408}
409
be06a3df
GM		 410/* Return the width of toggle buttons of widget MW. */
411
412static int
c3174d16 413toggle_button_width (XlwMenuWidget mw)
be06a3df 414{
423a3f59 415 return (MENU_FONT_HEIGHT (mw) * 2 / 3) | 1;
be06a3df
GM		 416}
417
418
419/* Return the width of radio buttons of widget MW. */
420
421static int
c3174d16 422radio_button_width (XlwMenuWidget mw)
be06a3df
GM		 423{
424 return toggle_button_width (mw) * 1.41;
425}
426
427
07bf635f
RS		 428static XtResource
429nameResource[] =
5c520e0a 430{
07bf635f
RS		 431 {"labelString", "LabelString", XtRString, sizeof(String),
432 0, XtRImmediate, 0},
433};
434
435static char*
c3174d16 436resource_widget_value (XlwMenuWidget mw, widget_value *val)
07bf635f
RS		 437{
438 if (!val->toolkit_data)
439 {
440 char* resourced_name = NULL;
441 char* complete_name;
442 XtGetSubresources ((Widget) mw,
443 (XtPointer) &resourced_name,
444 val->name, val->name,
445 nameResource, 1, NULL, 0);
446 if (!resourced_name)
447 resourced_name = val->name;
448 if (!val->value)
d97342f3
RS		 449 {
450 complete_name = (char *) XtMalloc (strlen (resourced_name) + 1);
451 strcpy (complete_name, resourced_name);
452 }
07bf635f
RS		 453 else
454 {
455 int complete_length =
456 strlen (resourced_name) + strlen (val->value) + 2;
457 complete_name = XtMalloc (complete_length);
458 *complete_name = 0;
459 strcat (complete_name, resourced_name);
460 strcat (complete_name, " ");
461 strcat (complete_name, val->value);
462 }
463
464 val->toolkit_data = complete_name;
465 val->free_toolkit_data = True;
466 }
467 return (char*)val->toolkit_data;
468}
469
470/* Returns the sizes of an item */
471static void
c825c0b6
J		 472size_menu_item (XlwMenuWidget mw,
473 widget_value* val,
474 int horizontal_p,
475 int* label_width,
476 int* rest_width,
477 int* button_width,
478 int* height)
07bf635f 479{
be06a3df 480 enum menu_separator separator;
5c520e0a 481
be06a3df 482 if (lw_separator_p (val->name, &separator, 0))
07bf635f 483 {
be06a3df 484 *height = separator_height (separator);
07bf635f
RS		 485 *label_width = 1;
486 *rest_width = 0;
be06a3df 487 *button_width = 0;
07bf635f
RS		 488 }
489 else
490 {
423a3f59
SM		 491 *height = MENU_FONT_HEIGHT (mw)
492 + 2 * mw->menu.vertical_spacing + 2 * mw->menu.shadow_thickness;
5c520e0a 493
07bf635f
RS		 494 *label_width =
495 string_width (mw, resource_widget_value (mw, val))
496 + mw->menu.horizontal_spacing + mw->menu.shadow_thickness;
5c520e0a 497
07bf635f
RS		 498 *rest_width = mw->menu.horizontal_spacing + mw->menu.shadow_thickness;
499 if (!horizontal_p)
500 {
501 if (val->contents)
be06a3df 502 /* Add width of the arrow displayed for submenus. */
07bf635f
RS		 503 *rest_width += arrow_width (mw) + mw->menu.arrow_spacing;
504 else if (val->key)
be06a3df
GM		 505 /* Add width of key equivalent string. */
506 *rest_width += (string_width (mw, val->key)
507 + mw->menu.arrow_spacing);
508
509 if (val->button_type == BUTTON_TYPE_TOGGLE)
510 *button_width = (toggle_button_width (mw)
511 + mw->menu.horizontal_spacing);
512 else if (val->button_type == BUTTON_TYPE_RADIO)
513 *button_width = (radio_button_width (mw)
514 + mw->menu.horizontal_spacing);
07bf635f
RS		 515 }
516 }
517}
518
519static void
c3174d16 520size_menu (XlwMenuWidget mw, int level)
07bf635f 521{
c825c0b6 522 int label_width = 0;
07bf635f 523 int rest_width = 0;
be06a3df 524 int button_width = 0;
07bf635f 525 int max_rest_width = 0;
be06a3df 526 int max_button_width = 0;
c825c0b6 527 int height = 0;
07bf635f
RS		 528 int horizontal_p = mw->menu.horizontal && (level == 0);
529 widget_value* val;
530 window_state* ws;
531
532 if (level >= mw->menu.old_depth)
be06a3df 533 abort_gracefully ((Widget) mw);
07bf635f 534
5c520e0a 535 ws = &mw->menu.windows [level];
07bf635f
RS		 536 ws->width = 0;
537 ws->height = 0;
538 ws->label_width = 0;
be06a3df 539 ws->button_width = 0;
07bf635f
RS		 540
541 for (val = mw->menu.old_stack [level]->contents; val; val = val->next)
542 {
543 size_menu_item (mw, val, horizontal_p, &label_width, &rest_width,
be06a3df 544 &button_width, &height);
07bf635f
RS		 545 if (horizontal_p)
546 {
547 ws->width += label_width + rest_width;
548 if (height > ws->height)
549 ws->height = height;
550 }
551 else
552 {
553 if (label_width > ws->label_width)
554 ws->label_width = label_width;
555 if (rest_width > max_rest_width)
556 max_rest_width = rest_width;
be06a3df
GM		 557 if (button_width > max_button_width)
558 max_button_width = button_width;
07bf635f
RS		 559 ws->height += height;
560 }
561 }
5c520e0a 562
07bf635f 563 if (horizontal_p)
be06a3df 564 ws->label_width = ws->button_width = 0;
07bf635f 565 else
be06a3df
GM		 566 {
567 ws->width = ws->label_width + max_rest_width + max_button_width;
568 ws->button_width = max_button_width;
569 }
07bf635f
RS		 570
571 ws->width += 2 * mw->menu.shadow_thickness;
572 ws->height += 2 * mw->menu.shadow_thickness;
99852628 573 ws->max_rest_width = max_rest_width;
be06a3df
GM		 574
575 if (horizontal_p)
576 {
577 ws->width += 2 * mw->menu.margin;
578 ws->height += 2 * mw->menu.margin;
579 }
07bf635f
RS		 580}
581
582
583\f/* Display code */
be06a3df 584
07bf635f 585static void
c825c0b6
J		 586draw_arrow (XlwMenuWidget mw,
587 Window window,
588 GC gc,
589 int x,
590 int y,
591 int width,
592 int down_p)
07bf635f 593{
be06a3df
GM		 594 Display *dpy = XtDisplay (mw);
595 GC top_gc = mw->menu.shadow_top_gc;
596 GC bottom_gc = mw->menu.shadow_bottom_gc;
597 int thickness = mw->menu.shadow_thickness;
598 int height = width;
599 XPoint pt[10];
600 /* alpha = atan (0.5)
601 factor = (1 + sin (alpha)) / cos (alpha) */
602 double factor = 1.62;
603 int thickness2 = thickness * factor;
5c520e0a 604
423a3f59 605 y += (MENU_FONT_HEIGHT (mw) - height) / 2;
5c520e0a 606
be06a3df
GM		 607 if (down_p)
608 {
609 GC temp;
610 temp = top_gc;
611 top_gc = bottom_gc;
612 bottom_gc = temp;
613 }
614
615 pt[0].x = x;
616 pt[0].y = y + height;
617 pt[1].x = x + thickness;
618 pt[1].y = y + height - thickness2;
619 pt[2].x = x + thickness2;
620 pt[2].y = y + thickness2;
621 pt[3].x = x;
622 pt[3].y = y;
623 XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin);
5c520e0a 624
be06a3df
GM		 625 pt[0].x = x;
626 pt[0].y = y;
627 pt[1].x = x + thickness;
628 pt[1].y = y + thickness2;
629 pt[2].x = x + width - thickness2;
630 pt[2].y = y + height / 2;
631 pt[3].x = x + width;
632 pt[3].y = y + height / 2;
633 XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin);
5c520e0a 634
be06a3df
GM		 635 pt[0].x = x;
636 pt[0].y = y + height;
637 pt[1].x = x + thickness;
638 pt[1].y = y + height - thickness2;
639 pt[2].x = x + width - thickness2;
640 pt[2].y = y + height / 2;
641 pt[3].x = x + width;
642 pt[3].y = y + height / 2;
643 XFillPolygon (dpy, window, bottom_gc, pt, 4, Convex, CoordModeOrigin);
07bf635f
RS		 644}
645
be06a3df
GM		 646
647
07bf635f 648static void
c825c0b6
J		 649draw_shadow_rectangle (XlwMenuWidget mw,
650 Window window,
651 int x,
652 int y,
653 int width,
654 int height,
655 int erase_p,
656 int down_p)
07bf635f
RS		 657{
658 Display *dpy = XtDisplay (mw);
659 GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc;
660 GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc;
661 int thickness = mw->menu.shadow_thickness;
662 XPoint points [4];
be06a3df
GM		 663
664 if (!erase_p && down_p)
665 {
666 GC temp;
667 temp = top_gc;
668 top_gc = bottom_gc;
669 bottom_gc = temp;
670 }
5c520e0a 671
07bf635f
RS		 672 points [0].x = x;
673 points [0].y = y;
674 points [1].x = x + width;
675 points [1].y = y;
676 points [2].x = x + width - thickness;
677 points [2].y = y + thickness;
678 points [3].x = x;
679 points [3].y = y + thickness;
680 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
681 points [0].x = x;
682 points [0].y = y + thickness;
683 points [1].x = x;
684 points [1].y = y + height;
685 points [2].x = x + thickness;
686 points [2].y = y + height - thickness;
687 points [3].x = x + thickness;
688 points [3].y = y + thickness;
689 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
690 points [0].x = x + width;
691 points [0].y = y;
692 points [1].x = x + width - thickness;
693 points [1].y = y + thickness;
694 points [2].x = x + width - thickness;
695 points [2].y = y + height - thickness;
696 points [3].x = x + width;
697 points [3].y = y + height - thickness;
698 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
699 points [0].x = x;
700 points [0].y = y + height;
701 points [1].x = x + width;
702 points [1].y = y + height;
703 points [2].x = x + width;
704 points [2].y = y + height - thickness;
705 points [3].x = x + thickness;
706 points [3].y = y + height - thickness;
707 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
708}
709
710
be06a3df 711static void
c825c0b6
J		 712draw_shadow_rhombus (XlwMenuWidget mw,
713 Window window,
714 int x,
715 int y,
716 int width,
717 int height,
718 int erase_p,
719 int down_p)
be06a3df
GM		 720{
721 Display *dpy = XtDisplay (mw);
722 GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc;
723 GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc;
724 int thickness = mw->menu.shadow_thickness;
725 XPoint points [4];
be06a3df
GM		 726
727 if (!erase_p && down_p)
728 {
729 GC temp;
730 temp = top_gc;
731 top_gc = bottom_gc;
732 bottom_gc = temp;
733 }
734
735 points [0].x = x;
736 points [0].y = y + height / 2;
737 points [1].x = x + thickness;
738 points [1].y = y + height / 2;
739 points [2].x = x + width / 2;
740 points [2].y = y + thickness;
741 points [3].x = x + width / 2;
742 points [3].y = y;
743 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
744 points [0].x = x + width / 2;
745 points [0].y = y;
746 points [1].x = x + width / 2;
747 points [1].y = y + thickness;
748 points [2].x = x + width - thickness;
749 points [2].y = y + height / 2;
750 points [3].x = x + width;
751 points [3].y = y + height / 2;
752 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
753 points [0].x = x;
754 points [0].y = y + height / 2;
755 points [1].x = x + thickness;
756 points [1].y = y + height / 2;
757 points [2].x = x + width / 2;
758 points [2].y = y + height - thickness;
759 points [3].x = x + width / 2;
760 points [3].y = y + height;
761 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
762 points [0].x = x + width / 2;
763 points [0].y = y + height;
764 points [1].x = x + width / 2;
765 points [1].y = y + height - thickness;
766 points [2].x = x + width - thickness;
767 points [2].y = y + height / 2;
768 points [3].x = x + width;
769 points [3].y = y + height / 2;
770 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
771}
772
773
774/* Draw a toggle button on widget MW, X window WINDOW. X/Y is the
775 top-left corner of the menu item. SELECTED_P non-zero means the
776 toggle button is selected. */
777
778static void
c3174d16 779draw_toggle (XlwMenuWidget mw, Window window, int x, int y, int selected_p)
be06a3df
GM		 780{
781 int width, height;
782
783 width = toggle_button_width (mw);
784 height = width;
785 x += mw->menu.horizontal_spacing;
423a3f59 786 y += (MENU_FONT_ASCENT (mw) - height) / 2;
be06a3df
GM		 787 draw_shadow_rectangle (mw, window, x, y, width, height, False, selected_p);
788}
789
790
791/* Draw a radio button on widget MW, X window WINDOW. X/Y is the
792 top-left corner of the menu item. SELECTED_P non-zero means the
793 toggle button is selected. */
794
795static void
c3174d16 796draw_radio (XlwMenuWidget mw, Window window, int x, int y, int selected_p)
be06a3df
GM		 797{
798 int width, height;
799
800 width = radio_button_width (mw);
801 height = width;
802 x += mw->menu.horizontal_spacing;
423a3f59 803 y += (MENU_FONT_ASCENT (mw) - height) / 2;
be06a3df
GM		 804 draw_shadow_rhombus (mw, window, x, y, width, height, False, selected_p);
805}
806
807
808/* Draw a menu separator on widget MW, X window WINDOW. X/Y is the
809 top-left corner of the menu item. WIDTH is the width of the
810 separator to draw. TYPE is the separator type. */
811
812static void
c825c0b6
J		 813draw_separator (XlwMenuWidget mw,
814 Window window,
815 int x,
816 int y,
817 int width,
818 enum menu_separator type)
be06a3df
GM		 819{
820 Display *dpy = XtDisplay (mw);
821 XGCValues xgcv;
822
823 switch (type)
824 {
825 case SEPARATOR_NO_LINE:
826 break;
5c520e0a 827
be06a3df
GM		 828 case SEPARATOR_SINGLE_LINE:
829 XDrawLine (dpy, window, mw->menu.foreground_gc,
830 x, y, x + width, y);
831 break;
5c520e0a 832
be06a3df
GM		 833 case SEPARATOR_DOUBLE_LINE:
834 draw_separator (mw, window, x, y, width, SEPARATOR_SINGLE_LINE);
835 draw_separator (mw, window, x, y + 2, width, SEPARATOR_SINGLE_LINE);
836 break;
5c520e0a 837
be06a3df
GM		 838 case SEPARATOR_SINGLE_DASHED_LINE:
839 xgcv.line_style = LineOnOffDash;
840 XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv);
841 XDrawLine (dpy, window, mw->menu.foreground_gc,
842 x, y, x + width, y);
843 xgcv.line_style = LineSolid;
844 XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv);
845 break;
5c520e0a 846
be06a3df
GM		 847 case SEPARATOR_DOUBLE_DASHED_LINE:
848 draw_separator (mw, window, x, y, width,
849 SEPARATOR_SINGLE_DASHED_LINE);
850 draw_separator (mw, window, x, y + 2, width,
851 SEPARATOR_SINGLE_DASHED_LINE);
852 break;
5c520e0a 853
be06a3df
GM		 854 case SEPARATOR_SHADOW_ETCHED_IN:
855 XDrawLine (dpy, window, mw->menu.shadow_bottom_gc,
856 x, y, x + width, y);
857 XDrawLine (dpy, window, mw->menu.shadow_top_gc,
858 x, y + 1, x + width, y + 1);
859 break;
860
861 case SEPARATOR_SHADOW_ETCHED_OUT:
862 XDrawLine (dpy, window, mw->menu.shadow_top_gc,
863 x, y, x + width, y);
864 XDrawLine (dpy, window, mw->menu.shadow_bottom_gc,
865 x, y + 1, x + width, y + 1);
866 break;
5c520e0a 867
be06a3df
GM		 868 case SEPARATOR_SHADOW_ETCHED_IN_DASH:
869 xgcv.line_style = LineOnOffDash;
870 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
871 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
2f90328f 872 draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN);
be06a3df
GM		 873 xgcv.line_style = LineSolid;
874 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
875 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
876 break;
5c520e0a 877
be06a3df
GM		 878 case SEPARATOR_SHADOW_ETCHED_OUT_DASH:
879 xgcv.line_style = LineOnOffDash;
880 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
881 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
2f90328f 882 draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_OUT);
be06a3df
GM		 883 xgcv.line_style = LineSolid;
884 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
885 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
886 break;
887
888 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN:
889 draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN);
890 draw_separator (mw, window, x, y + 3, width, SEPARATOR_SHADOW_ETCHED_IN);
891 break;
5c520e0a 892
be06a3df
GM		 893 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT:
894 draw_separator (mw, window, x, y, width,
895 SEPARATOR_SHADOW_ETCHED_OUT);
896 draw_separator (mw, window, x, y + 3, width,
897 SEPARATOR_SHADOW_ETCHED_OUT);
898 break;
5c520e0a 899
be06a3df
GM		 900 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH:
901 xgcv.line_style = LineOnOffDash;
902 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
903 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
904 draw_separator (mw, window, x, y, width,
905 SEPARATOR_SHADOW_DOUBLE_ETCHED_IN);
906 xgcv.line_style = LineSolid;
907 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
908 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
909 break;
910
911 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH:
912 xgcv.line_style = LineOnOffDash;
913 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
914 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
915 draw_separator (mw, window, x, y, width,
916 SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT);
917 xgcv.line_style = LineSolid;
918 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
919 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
920 break;
921
922 default:
923 abort ();
924 }
925}
926
927
928/* Return the pixel height of menu separator SEPARATOR. */
929
930static int
c3174d16 931separator_height (enum menu_separator separator)
be06a3df
GM		 932{
933 switch (separator)
934 {
935 case SEPARATOR_NO_LINE:
936 return 2;
5c520e0a 937
be06a3df
GM		 938 case SEPARATOR_SINGLE_LINE:
939 case SEPARATOR_SINGLE_DASHED_LINE:
940 return 1;
5c520e0a 941
be06a3df
GM		 942 case SEPARATOR_DOUBLE_LINE:
943 case SEPARATOR_DOUBLE_DASHED_LINE:
944 return 3;
5c520e0a 945
be06a3df
GM		 946 case SEPARATOR_SHADOW_ETCHED_IN:
947 case SEPARATOR_SHADOW_ETCHED_OUT:
948 case SEPARATOR_SHADOW_ETCHED_IN_DASH:
949 case SEPARATOR_SHADOW_ETCHED_OUT_DASH:
950 return 2;
5c520e0a 951
be06a3df
GM		 952 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN:
953 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT:
954 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH:
955 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH:
956 return 5;
5c520e0a 957
be06a3df
GM		 958 default:
959 abort ();
960 }
961}
962
963
07bf635f 964/* Display the menu item and increment where.x and where.y to show how large
be06a3df
GM		 965 the menu item was. */
966
07bf635f 967static void
c825c0b6
J		 968display_menu_item (XlwMenuWidget mw,
969 widget_value* val,
970 window_state* ws,
971 XPoint* where,
972 Boolean highlighted_p,
973 Boolean horizontal_p,
974 Boolean just_compute_p)
07bf635f
RS		 975{
976 GC deco_gc;
977 GC text_gc;
423a3f59
SM		 978 int font_height = MENU_FONT_HEIGHT (mw);
979 int font_ascent = MENU_FONT_ASCENT (mw);
07bf635f 980 int shadow = mw->menu.shadow_thickness;
be06a3df 981 int margin = mw->menu.margin;
07bf635f
RS		 982 int h_spacing = mw->menu.horizontal_spacing;
983 int v_spacing = mw->menu.vertical_spacing;
984 int label_width;
985 int rest_width;
be06a3df 986 int button_width;
07bf635f
RS		 987 int height;
988 int width;
be06a3df
GM		 989 enum menu_separator separator;
990 int separator_p = lw_separator_p (val->name, &separator, 0);
99852628
JD		 991#ifdef HAVE_XFT
992 XftColor *xftfg;
993#endif
07bf635f
RS		 994
995 /* compute the sizes of the item */
be06a3df
GM		 996 size_menu_item (mw, val, horizontal_p, &label_width, &rest_width,
997 &button_width, &height);
07bf635f
RS		 998
999 if (horizontal_p)
1000 width = label_width + rest_width;
1001 else
1002 {
1003 label_width = ws->label_width;
1004 width = ws->width - 2 * shadow;
1005 }
1006
07bf635f
RS		 1007 /* Only highlight an enabled item that has a callback. */
1008 if (highlighted_p)
1009 if (!val->enabled || !(val->call_data || val->contents))
1010 highlighted_p = 0;
1011
1012 /* do the drawing. */
1013 if (!just_compute_p)
1014 {
1015 /* Add the shadow border of the containing menu */
1016 int x = where->x + shadow;
1017 int y = where->y + shadow;
1018
be06a3df
GM		 1019 if (horizontal_p)
1020 {
1021 x += margin;
1022 y += margin;
1023 }
1024
07bf635f
RS		 1025 /* pick the foreground and background GC. */
1026 if (val->enabled)
be06a3df 1027 text_gc = mw->menu.foreground_gc;
07bf635f 1028 else
8b71a9ca 1029 text_gc = mw->menu.disabled_gc;
07bf635f 1030 deco_gc = mw->menu.foreground_gc;
99852628
JD		 1031#ifdef HAVE_XFT
1032 xftfg = val->enabled ? &mw->menu.xft_fg : &mw->menu.xft_disabled_fg;
1033#endif
07bf635f
RS		 1034
1035 if (separator_p)
1036 {
f0bd1598 1037 draw_separator (mw, ws->pixmap, x, y, width, separator);
07bf635f 1038 }
5c520e0a 1039 else
07bf635f 1040 {
84593cae 1041 int x_offset = x + h_spacing + shadow;
07bf635f 1042 char* display_string = resource_widget_value (mw, val);
f0bd1598 1043 draw_shadow_rectangle (mw, ws->pixmap, x, y, width, height, True,
be06a3df 1044 False);
84593cae
PR		 1045
1046 /* Deal with centering a menu title. */
1047 if (!horizontal_p && !val->contents && !val->call_data)
1048 {
1049 int l = string_width (mw, display_string);
1050
1051 if (width > l)
1052 x_offset = (width - l) >> 1;
1053 }
be06a3df
GM		 1054 else if (!horizontal_p && ws->button_width)
1055 x_offset += ws->button_width;
5c520e0a
SS		 1056
1057
99852628
JD		 1058#ifdef HAVE_XFT
1059 if (ws->xft_draw)
1060 {
1061 int draw_y = y + v_spacing + shadow;
99852628
JD		 1062 XftDrawStringUtf8 (ws->xft_draw, xftfg,
1063 mw->menu.xft_font,
1064 x_offset, draw_y + font_ascent,
1065 (unsigned char *) display_string,
1066 strlen (display_string));
1067 }
1068 else
1069#endif
423a3f59 1070#ifdef HAVE_X_I18N
2015c054 1071 if (mw->menu.fontSet)
f0bd1598 1072 XmbDrawString (XtDisplay (mw), ws->pixmap, mw->menu.fontSet,
2015c054
JD		 1073 text_gc, x_offset,
1074 y + v_spacing + shadow + font_ascent,
1075 display_string, strlen (display_string));
1076 else
423a3f59 1077#endif
f0bd1598 1078 XDrawString (XtDisplay (mw), ws->pixmap,
423a3f59 1079 text_gc, x_offset,
07bf635f
RS		 1080 y + v_spacing + shadow + font_ascent,
1081 display_string, strlen (display_string));
5c520e0a 1082
07bf635f
RS		 1083 if (!horizontal_p)
1084 {
be06a3df 1085 if (val->button_type == BUTTON_TYPE_TOGGLE)
f0bd1598 1086 draw_toggle (mw, ws->pixmap, x, y + v_spacing + shadow,
be06a3df
GM		 1087 val->selected);
1088 else if (val->button_type == BUTTON_TYPE_RADIO)
f0bd1598 1089 draw_radio (mw, ws->pixmap, x, y + v_spacing + shadow,
be06a3df 1090 val->selected);
5c520e0a 1091
07bf635f
RS		 1092 if (val->contents)
1093 {
1094 int a_w = arrow_width (mw);
f0bd1598 1095 draw_arrow (mw, ws->pixmap, deco_gc,
be06a3df 1096 x + width - a_w
5c520e0a 1097 - mw->menu.horizontal_spacing
d398028f 1098 - mw->menu.shadow_thickness,
be06a3df
GM		 1099 y + v_spacing + shadow, a_w,
1100 highlighted_p);
07bf635f
RS		 1101 }
1102 else if (val->key)
1103 {
99852628
JD		 1104#ifdef HAVE_XFT
1105 if (ws->xft_draw)
1106 {
99852628
JD		 1107 int draw_x = ws->width - ws->max_rest_width
1108 + mw->menu.arrow_spacing;
1109 int draw_y = y + v_spacing + shadow + font_ascent;
1110 XftDrawStringUtf8 (ws->xft_draw, xftfg,
1111 mw->menu.xft_font,
1112 draw_x, draw_y,
1113 (unsigned char *) val->key,
1114 strlen (val->key));
1115 }
1116 else
1117#endif
423a3f59 1118#ifdef HAVE_X_I18N
2015c054 1119 if (mw->menu.fontSet)
f0bd1598 1120 XmbDrawString (XtDisplay (mw), ws->pixmap,
2015c054
JD		 1121 mw->menu.fontSet,
1122 text_gc,
1123 x + label_width + mw->menu.arrow_spacing,
1124 y + v_spacing + shadow + font_ascent,
1125 val->key, strlen (val->key));
1126 else
423a3f59 1127#endif
f0bd1598 1128 XDrawString (XtDisplay (mw), ws->pixmap,
423a3f59 1129 text_gc,
07bf635f
RS		 1130 x + label_width + mw->menu.arrow_spacing,
1131 y + v_spacing + shadow + font_ascent,
1132 val->key, strlen (val->key));
1133 }
1134 }
d398028f
PR		 1135 else
1136 {
f0bd1598 1137 XDrawRectangle (XtDisplay (mw), ws->pixmap,
d398028f
PR		 1138 mw->menu.background_gc,
1139 x + shadow, y + shadow,
1140 label_width + h_spacing - 1,
423a3f59 1141 font_height + 2 * v_spacing - 1);
f0bd1598 1142 draw_shadow_rectangle (mw, ws->pixmap, x, y, width, height,
be06a3df 1143 True, False);
d398028f 1144 }
07bf635f
RS		 1145
1146 if (highlighted_p)
f0bd1598 1147 draw_shadow_rectangle (mw, ws->pixmap, x, y, width, height, False,
be06a3df 1148 False);
07bf635f
RS		 1149 }
1150 }
5c520e0a 1151
07bf635f
RS		 1152 where->x += width;
1153 where->y += height;
1154}
1155
1156static void
c825c0b6
J		 1157display_menu (XlwMenuWidget mw,
1158 int level,
1159 Boolean just_compute_p,
1160 XPoint *highlighted_pos,
1161 XPoint *hit,
1162 widget_value **hit_return)
07bf635f
RS		 1163{
1164 widget_value* val;
1165 widget_value* following_item;
1166 window_state* ws;
1167 XPoint where;
1168 int horizontal_p = mw->menu.horizontal && (level == 0);
1169 int highlighted_p;
ccc1cac0 1170 int no_return = 0;
be06a3df 1171 enum menu_separator separator;
07bf635f
RS		 1172
1173 if (level >= mw->menu.old_depth)
be06a3df 1174 abort_gracefully ((Widget) mw);
07bf635f
RS		 1175
1176 if (level < mw->menu.old_depth - 1)
1177 following_item = mw->menu.old_stack [level + 1];
5c520e0a 1178 else
07bf635f
RS		 1179 following_item = NULL;
1180
1181 if (hit)
1182 *hit_return = NULL;
1183
1184 where.x = 0;
1185 where.y = 0;
1186
1187 ws = &mw->menu.windows [level];
f0bd1598
J		 1188
1189 if (!just_compute_p)
1190 XFillRectangle (XtDisplay (mw), ws->pixmap, mw->menu.background_gc,
1191 0, 0, ws->width, ws->height);
1192
07bf635f
RS		 1193 for (val = mw->menu.old_stack [level]->contents; val; val = val->next)
1194 {
1195 highlighted_p = val == following_item;
1196 if (highlighted_p && highlighted_pos)
1197 {
1198 if (horizontal_p)
1199 highlighted_pos->x = where.x;
1200 else
1201 highlighted_pos->y = where.y;
1202 }
5c520e0a 1203
07bf635f 1204 display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p,
f0bd1598 1205 just_compute_p);
07bf635f
RS		 1206
1207 if (highlighted_p && highlighted_pos)
1208 {
1209 if (horizontal_p)
1210 highlighted_pos->y = where.y;
1211 else
1212 highlighted_pos->x = where.x;
1213 }
1214
1215 if (hit
1216 && !*hit_return
1217 && (horizontal_p ? hit->x < where.x : hit->y < where.y)
be06a3df 1218 && !lw_separator_p (val->name, &separator, 0)
ccc1cac0
RS		 1219 && !no_return)
1220 {
1221 if (val->enabled)
1222 *hit_return = val;
1ecd5086
JD		 1223 else
1224 no_return = 1;
1225 if (mw->menu.inside_entry != val)
1226 {
1227 if (mw->menu.inside_entry)
1228 XtCallCallbackList ((Widget)mw, mw->menu.leave,
1229 (XtPointer) mw->menu.inside_entry);
1230 mw->menu.inside_entry = val;
1231 XtCallCallbackList ((Widget)mw, mw->menu.enter,
1232 (XtPointer) mw->menu.inside_entry);
1233 }
ccc1cac0 1234 }
07bf635f
RS		 1235
1236 if (horizontal_p)
1237 where.y = 0;
1238 else
1239 where.x = 0;
1240 }
5c520e0a 1241
07bf635f 1242 if (!just_compute_p)
f0bd1598
J		 1243 {
1244 draw_shadow_rectangle (mw, ws->pixmap, 0, 0, ws->width, ws->height,
1245 False, False);
1246 XCopyArea (XtDisplay (mw), ws->pixmap, ws->window,
1247 mw->menu.foreground_gc, 0, 0, ws->width, ws->height, 0, 0);
1248 }
07bf635f
RS		 1249}
1250
1251\f/* Motion code */
1252static void
c3174d16 1253set_new_state (XlwMenuWidget mw, widget_value *val, int level)
07bf635f
RS		 1254{
1255 int i;
5c520e0a 1256
07bf635f
RS		 1257 mw->menu.new_depth = 0;
1258 for (i = 0; i < level; i++)
1259 push_new_stack (mw, mw->menu.old_stack [i]);
1260 push_new_stack (mw, val);
1261}
1262
f0bd1598
J		 1263static void
1264expose_cb (Widget widget,
1265 XtPointer closure,
1266 XEvent* event,
1267 Boolean* continue_to_dispatch)
1268{
f0bd1598
J		 1269 XlwMenuWidget mw = (XlwMenuWidget) closure;
1270 int i;
1271
c632dfda 1272 *continue_to_dispatch = False;
f0bd1598
J		 1273 for (i = 0; i < mw->menu.windows_length; ++i)
1274 if (mw->menu.windows [i].w == widget) break;
1275 if (i < mw->menu.windows_length && i < mw->menu.old_depth)
c3174d16 1276 display_menu (mw, i, False, NULL, NULL, NULL);
f0bd1598
J		 1277}
1278
7aad87e8
JD		 1279static void
1280set_window_type (Widget w, XlwMenuWidget mw)
1281{
1282 int popup_menu_p = mw->menu.top_depth == 1;
1283 Atom type = XInternAtom (XtDisplay (w),
1284 popup_menu_p
1285 ? "_NET_WM_WINDOW_TYPE_POPUP_MENU"
1286 : "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU",
1287 False);
1288
1289 XChangeProperty (XtDisplay (w), XtWindow (w),
1290 XInternAtom (XtDisplay (w), "_NET_WM_WINDOW_TYPE", False),
1291 XA_ATOM, 32, PropModeReplace,
1292 (unsigned char *)&type, 1);
1293}
1294
1295
07bf635f 1296static void
c3174d16 1297make_windows_if_needed (XlwMenuWidget mw, int n)
07bf635f
RS		 1298{
1299 int i;
1300 int start_at;
07bf635f 1301 window_state* windows;
5c520e0a 1302
07bf635f
RS		 1303 if (mw->menu.windows_length >= n)
1304 return;
1305
07bf635f
RS		 1306 if (!mw->menu.windows)
1307 {
1308 mw->menu.windows =
1309 (window_state*)XtMalloc (n * sizeof (window_state));
1310 start_at = 0;
1311 }
1312 else
1313 {
1314 mw->menu.windows =
1315 (window_state*)XtRealloc ((char*)mw->menu.windows,
1316 n * sizeof (window_state));
1317 start_at = mw->menu.windows_length;
1318 }
1319 mw->menu.windows_length = n;
1320
1321 windows = mw->menu.windows;
1322
1323 for (i = start_at; i < n; i++)
1324 {
f0bd1598
J		 1325 Arg av[10];
1326 int ac = 0;
07bf635f
RS		 1327 windows [i].x = 0;
1328 windows [i].y = 0;
1329 windows [i].width = 1;
1330 windows [i].height = 1;
99852628 1331 windows [i].max_rest_width = 0;
f0bd1598
J		 1332 XtSetArg (av[ac], XtNwidth, 1); ++ac;
1333 XtSetArg (av[ac], XtNheight, 1); ++ac;
1334 XtSetArg (av[ac], XtNsaveUnder, True); ++ac;
1335 XtSetArg (av[ac], XtNbackground, mw->core.background_pixel); ++ac;
1336 XtSetArg (av[ac], XtNborderColor, mw->core.border_pixel); ++ac;
1337 XtSetArg (av[ac], XtNborderWidth, mw->core.border_width); ++ac;
1338 XtSetArg (av[ac], XtNcursor, mw->menu.cursor_shape); ++ac;
1339 windows [i].w =
1340 XtCreatePopupShell ("sub", overrideShellWidgetClass,
1341 (Widget) mw, av, ac);
1342 XtRealizeWidget (windows [i].w);
1343 XtAddEventHandler (windows [i].w, ExposureMask, False, expose_cb, mw);
1344 windows [i].window = XtWindow (windows [i].w);
1345 windows [i].pixmap = None;
99852628 1346#ifdef HAVE_XFT
f0bd1598 1347 windows [i].xft_draw = 0;
99852628 1348#endif
7aad87e8 1349 set_window_type (windows [i].w, mw);
99852628 1350 }
3928f2b6 1351 XFlush (XtDisplay (mw));
07bf635f
RS		 1352}
1353
2a692ba4
GM		 1354/* Value is non-zero if WINDOW is part of menu bar widget W. */
1355
1356int
c3174d16 1357xlwmenu_window_p (Widget w, Window window)
2a692ba4
GM		 1358{
1359 XlwMenuWidget mw = (XlwMenuWidget) w;
1360 int i;
177c0ea7 1361
2a692ba4
GM		 1362 for (i = 0; i < mw->menu.windows_length; ++i)
1363 if (window == mw->menu.windows[i].window)
1364 break;
1365
1366 return i < mw->menu.windows_length;
1367}
1368
07bf635f
RS		 1369/* Make the window fit in the screen */
1370static void
c825c0b6
J		 1371fit_to_screen (XlwMenuWidget mw,
1372 window_state *ws,
1373 window_state *previous_ws,
1374 Boolean horizontal_p)
07bf635f 1375{
ccf589a6
RS		 1376 unsigned int screen_width = WidthOfScreen (XtScreen (mw));
1377 unsigned int screen_height = HeightOfScreen (XtScreen (mw));
1ba46f7d
RS		 1378 /* 1 if we are unable to avoid an overlap between
1379 this menu and the parent menu in the X dimension. */
1380 int horizontal_overlap = 0;
07bf635f
RS		 1381
1382 if (ws->x < 0)
1383 ws->x = 0;
1384 else if (ws->x + ws->width > screen_width)
1385 {
1386 if (!horizontal_p)
b7fa4a06
MB		 1387 /* The addition of shadow-thickness for a sub-menu's position is
1388 to reflect a similar adjustment when the menu is displayed to
1389 the right of the invoking menu-item; it makes the sub-menu
1390 look more `attached' to the menu-item. */
1391 ws->x = previous_ws->x - ws->width + mw->menu.shadow_thickness;
07bf635f
RS		 1392 else
1393 ws->x = screen_width - ws->width;
525b8232 1394 if (ws->x < 0)
1ba46f7d
RS		 1395 {
1396 ws->x = 0;
1397 horizontal_overlap = 1;
1398 }
1399 }
1400 /* If we overlap in X, try to avoid overlap in Y. */
1401 if (horizontal_overlap
1402 && ws->y < previous_ws->y + previous_ws->height
1403 && previous_ws->y < ws->y + ws->height)
1404 {
1405 /* Put this menu right below or right above PREVIOUS_WS
1406 if there's room. */
1407 if (previous_ws->y + previous_ws->height + ws->height < screen_height)
1408 ws->y = previous_ws->y + previous_ws->height;
1409 else if (previous_ws->y - ws->height > 0)
1410 ws->y = previous_ws->y - ws->height;
07bf635f 1411 }
1ba46f7d 1412
07bf635f
RS		 1413 if (ws->y < 0)
1414 ws->y = 0;
1415 else if (ws->y + ws->height > screen_height)
1416 {
1417 if (horizontal_p)
1418 ws->y = previous_ws->y - ws->height;
1419 else
1420 ws->y = screen_height - ws->height;
5c520e0a 1421 if (ws->y < 0)
525b8232 1422 ws->y = 0;
07bf635f
RS		 1423 }
1424}
1425
f0bd1598
J		 1426static void
1427create_pixmap_for_menu (window_state* ws, XlwMenuWidget mw)
1428{
1429 if (ws->pixmap != None)
1430 {
1431 XFreePixmap (XtDisplay (ws->w), ws->pixmap);
1432 ws->pixmap = None;
1433 }
1434 ws->pixmap = XCreatePixmap (XtDisplay (ws->w), ws->window,
1435 ws->width, ws->height,
1436 DefaultDepthOfScreen (XtScreen (ws->w)));
1437#ifdef HAVE_XFT
1438 if (ws->xft_draw)
1439 XftDrawDestroy (ws->xft_draw);
1440 if (mw->menu.xft_font)
1441 {
1442 int screen = XScreenNumberOfScreen (mw->core.screen);
1443 ws->xft_draw = XftDrawCreate (XtDisplay (ws->w),
1444 ws->pixmap,
1445 DefaultVisual (XtDisplay (ws->w), screen),
1446 mw->core.colormap);
1447 }
1448 else
1449 ws->xft_draw = 0;
1450#endif
1451}
1452
07bf635f
RS		 1453/* Updates old_stack from new_stack and redisplays. */
1454static void
c3174d16 1455remap_menubar (XlwMenuWidget mw)
07bf635f
RS		 1456{
1457 int i;
1458 int last_same;
1459 XPoint selection_position;
1460 int old_depth = mw->menu.old_depth;
1461 int new_depth = mw->menu.new_depth;
1462 widget_value** old_stack;
1463 widget_value** new_stack;
1464 window_state* windows;
1465 widget_value* old_selection;
1466 widget_value* new_selection;
1467
1468 /* Check that enough windows and old_stack are ready. */
1469 make_windows_if_needed (mw, new_depth);
1470 make_old_stack_space (mw, new_depth);
1471 windows = mw->menu.windows;
1472 old_stack = mw->menu.old_stack;
1473 new_stack = mw->menu.new_stack;
1474
1475 /* compute the last identical different entry */
1476 for (i = 1; i < old_depth && i < new_depth; i++)
1477 if (old_stack [i] != new_stack [i])
1478 break;
1479 last_same = i - 1;
1480
1481 /* Memorize the previously selected item to be able to refresh it */
1482 old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL;
1483 if (old_selection && !old_selection->enabled)
1484 old_selection = NULL;
1485 new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL;
1486 if (new_selection && !new_selection->enabled)
1487 new_selection = NULL;
1488
d6fd6371
GM		 1489 /* Call callback when the hightlighted item changes. */
1490 if (old_selection || new_selection)
1491 XtCallCallbackList ((Widget)mw, mw->menu.highlight,
1492 (XtPointer) new_selection);
1493
07bf635f
RS		 1494 /* updates old_state from new_state. It has to be done now because
1495 display_menu (called below) uses the old_stack to know what to display. */
1496 for (i = last_same + 1; i < new_depth; i++)
f0bd1598
J		 1497 {
1498 XtPopdown (mw->menu.windows [i].w);
1499 old_stack [i] = new_stack [i];
1500 }
07bf635f
RS		 1501 mw->menu.old_depth = new_depth;
1502
908ff139 1503 /* refresh the last selection */
07bf635f
RS		 1504 selection_position.x = 0;
1505 selection_position.y = 0;
1506 display_menu (mw, last_same, new_selection == old_selection,
f0bd1598 1507 &selection_position, NULL, NULL);
07bf635f 1508
1ba46f7d
RS		 1509 /* Now place the new menus. */
1510 for (i = last_same + 1; i < new_depth && new_stack[i]->contents; i++)
07bf635f 1511 {
1ba46f7d
RS		 1512 window_state *previous_ws = &windows[i - 1];
1513 window_state *ws = &windows[i];
07bf635f 1514
be06a3df
GM		 1515 ws->x = (previous_ws->x + selection_position.x
1516 + mw->menu.shadow_thickness);
b7fa4a06 1517 if (mw->menu.horizontal && i == 1)
be06a3df
GM		 1518 ws->x += mw->menu.margin;
1519
1520#if 0
07bf635f
RS		 1521 if (!mw->menu.horizontal || i > 1)
1522 ws->x += mw->menu.shadow_thickness;
be06a3df 1523#endif
5c520e0a 1524
be06a3df
GM		 1525 ws->y = (previous_ws->y + selection_position.y
1526 + mw->menu.shadow_thickness);
b7fa4a06 1527 if (mw->menu.horizontal && i == 1)
be06a3df 1528 ws->y += mw->menu.margin;
07bf635f
RS		 1529
1530 size_menu (mw, i);
1531
1532 fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1);
1533
f0bd1598 1534 create_pixmap_for_menu (ws, mw);
3928f2b6 1535 XtMoveWidget (ws->w, ws->x, ws->y);
f0bd1598 1536 XtPopup (ws->w, XtGrabNone);
3928f2b6
JD		 1537 XtResizeWidget (ws->w, ws->width, ws->height,
1538 mw->core.border_width);
1539 XtResizeWindow (ws->w);
f0bd1598 1540 display_menu (mw, i, False, &selection_position, NULL, NULL);
07bf635f
RS		 1541 }
1542
1543 /* unmap the menus that popped down */
1544 for (i = new_depth - 1; i < old_depth; i++)
fa74535d 1545 if (i >= new_depth || (i > 0 && !new_stack[i]->contents))
f0bd1598 1546 XtPopdown (windows[i].w);
07bf635f
RS		 1547}
1548
1549static Boolean
c825c0b6
J		 1550motion_event_is_in_menu (XlwMenuWidget mw,
1551 XMotionEvent *ev,
1552 int level,
1553 XPoint *relative_pos)
07bf635f
RS		 1554{
1555 window_state* ws = &mw->menu.windows [level];
4f08464c
RS		 1556 int shadow = level == 0 ? 0 : mw->menu.shadow_thickness;
1557 int x = ws->x + shadow;
1558 int y = ws->y + shadow;
07bf635f
RS		 1559 relative_pos->x = ev->x_root - x;
1560 relative_pos->y = ev->y_root - y;
4f08464c 1561 return (x - shadow < ev->x_root && ev->x_root < x + ws->width
1ecd5086 1562 && y - shadow < ev->y_root && ev->y_root < y + ws->height);
07bf635f
RS		 1563}
1564
1565static Boolean
c825c0b6
J		 1566map_event_to_widget_value (XlwMenuWidget mw,
1567 XMotionEvent *ev,
1568 widget_value **val,
1569 int *level)
07bf635f
RS		 1570{
1571 int i;
1572 XPoint relative_pos;
1573 window_state* ws;
1ecd5086 1574 int inside = 0;
07bf635f
RS		 1575
1576 *val = NULL;
5c520e0a 1577
07bf635f
RS		 1578 /* Find the window */
1579 for (i = mw->menu.old_depth - 1; i >= 0; i--)
1580 {
1581 ws = &mw->menu.windows [i];
1582 if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos))
1583 {
1ecd5086 1584 inside = 1;
f0bd1598 1585 display_menu (mw, i, True, NULL, &relative_pos, val);
07bf635f
RS		 1586
1587 if (*val)
1588 {
1589 *level = i + 1;
1590 return True;
1591 }
1592 }
1593 }
1ecd5086
JD		 1594
1595 if (!inside)
1596 {
1597 if (mw->menu.inside_entry != NULL)
1598 XtCallCallbackList ((Widget)mw, mw->menu.leave,
1599 (XtPointer) mw->menu.inside_entry);
1600 mw->menu.inside_entry = NULL;
1601 }
1602
07bf635f
RS		 1603 return False;
1604}
1605
1606\f/* Procedures */
1607static void
c3174d16 1608make_drawing_gcs (XlwMenuWidget mw)
07bf635f
RS		 1609{
1610 XGCValues xgcv;
ef93458b 1611 float scale;
2015c054 1612 XtGCMask mask = GCForeground | GCBackground;
07bf635f 1613
2015c054 1614#ifdef HAVE_X_I18N
3928f2b6 1615 if (!mw->menu.fontSet && mw->menu.font)
2015c054
JD		 1616 {
1617 xgcv.font = mw->menu.font->fid;
1618 mask |= GCFont;
1619 }
1620#else
3928f2b6
JD		 1621 if (mw->menu.font)
1622 {
1623 xgcv.font = mw->menu.font->fid;
1624 mask |= GCFont;
1625 }
423a3f59 1626#endif
07bf635f
RS		 1627 xgcv.foreground = mw->menu.foreground;
1628 xgcv.background = mw->core.background_pixel;
2015c054 1629 mw->menu.foreground_gc = XtGetGC ((Widget)mw, mask, &xgcv);
5c520e0a 1630
07bf635f 1631 xgcv.foreground = mw->menu.button_foreground;
2015c054 1632 mw->menu.button_gc = XtGetGC ((Widget)mw, mask, &xgcv);
5c520e0a 1633
07bf635f 1634 xgcv.background = mw->core.background_pixel;
8b71a9ca
PJ		 1635
1636#define BRIGHTNESS(color) (((color) & 0xff) + (((color) >> 8) & 0xff) + (((color) >> 16) & 0xff))
1637
1638 /* Allocate color for disabled menu-items. */
ef93458b 1639 mw->menu.disabled_foreground = mw->menu.foreground;
8b71a9ca 1640 if (BRIGHTNESS(mw->menu.foreground) < BRIGHTNESS(mw->core.background_pixel))
ef93458b 1641 scale = 2.3;
8b71a9ca 1642 else
ef93458b 1643 scale = 0.55;
8b71a9ca
PJ		 1644
1645 x_alloc_lighter_color_for_widget ((Widget) mw, XtDisplay ((Widget) mw),
1646 mw->core.colormap,
ef93458b
PJ		 1647 &mw->menu.disabled_foreground,
1648 scale,
8b71a9ca 1649 0x8000);
8b71a9ca
PJ		 1650
1651 if (mw->menu.foreground == mw->menu.disabled_foreground
1652 || mw->core.background_pixel == mw->menu.disabled_foreground)
1653 {
1654 /* Too few colors, use stipple. */
1655 xgcv.foreground = mw->menu.foreground;
1656 xgcv.fill_style = FillStippled;
1657 xgcv.stipple = mw->menu.gray_pixmap;
2015c054 1658 mw->menu.disabled_gc = XtGetGC ((Widget)mw, mask
423a3f59 1659 | GCFillStyle | GCStipple, &xgcv);
8b71a9ca
PJ		 1660 }
1661 else
1662 {
1663 /* Many colors available, use disabled pixel. */
1664 xgcv.foreground = mw->menu.disabled_foreground;
2015c054 1665 mw->menu.disabled_gc = XtGetGC ((Widget)mw, mask, &xgcv);
8b71a9ca 1666 }
5c520e0a 1667
07bf635f
RS		 1668 xgcv.foreground = mw->menu.button_foreground;
1669 xgcv.background = mw->core.background_pixel;
1670 xgcv.fill_style = FillStippled;
1671 xgcv.stipple = mw->menu.gray_pixmap;
2015c054 1672 mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, mask
423a3f59 1673 | GCFillStyle | GCStipple, &xgcv);
5c520e0a 1674
07bf635f
RS		 1675 xgcv.foreground = mw->core.background_pixel;
1676 xgcv.background = mw->menu.foreground;
2015c054 1677 mw->menu.background_gc = XtGetGC ((Widget)mw, mask, &xgcv);
07bf635f
RS		 1678}
1679
1680static void
c3174d16 1681release_drawing_gcs (XlwMenuWidget mw)
07bf635f
RS		 1682{
1683 XtReleaseGC ((Widget) mw, mw->menu.foreground_gc);
1684 XtReleaseGC ((Widget) mw, mw->menu.button_gc);
8b71a9ca 1685 XtReleaseGC ((Widget) mw, mw->menu.disabled_gc);
07bf635f
RS		 1686 XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc);
1687 XtReleaseGC ((Widget) mw, mw->menu.background_gc);
1688 /* let's get some segvs if we try to use these... */
1689 mw->menu.foreground_gc = (GC) -1;
1690 mw->menu.button_gc = (GC) -1;
8b71a9ca 1691 mw->menu.disabled_gc = (GC) -1;
07bf635f
RS		 1692 mw->menu.inactive_button_gc = (GC) -1;
1693 mw->menu.background_gc = (GC) -1;
1694}
1695
1696#define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \
1697 ? ((unsigned long) (x)) : ((unsigned long) (y)))
1698
1699static void
c3174d16 1700make_shadow_gcs (XlwMenuWidget mw)
07bf635f
RS		 1701{
1702 XGCValues xgcv;
1703 unsigned long pm = 0;
1704 Display *dpy = XtDisplay ((Widget) mw);
be06a3df 1705 Screen *screen = XtScreen ((Widget) mw);
b0404f9f 1706 Colormap cmap = mw->core.colormap;
07bf635f
RS		 1707 XColor topc, botc;
1708 int top_frobbed = 0, bottom_frobbed = 0;
1709
bba2a923
GM		 1710 mw->menu.free_top_shadow_color_p = 0;
1711 mw->menu.free_bottom_shadow_color_p = 0;
1712
07bf635f
RS		 1713 if (mw->menu.top_shadow_color == -1)
1714 mw->menu.top_shadow_color = mw->core.background_pixel;
bba2a923
GM		 1715 else
1716 mw->menu.top_shadow_color = mw->menu.top_shadow_color;
5c520e0a 1717
07bf635f
RS		 1718 if (mw->menu.bottom_shadow_color == -1)
1719 mw->menu.bottom_shadow_color = mw->menu.foreground;
bba2a923
GM		 1720 else
1721 mw->menu.bottom_shadow_color = mw->menu.bottom_shadow_color;
07bf635f
RS		 1722
1723 if (mw->menu.top_shadow_color == mw->core.background_pixel ||
1724 mw->menu.top_shadow_color == mw->menu.foreground)
1725 {
1726 topc.pixel = mw->core.background_pixel;
65c0ae05
MB		 1727#ifdef emacs
1728 if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap,
1729 &topc.pixel,
1730 1.2, 0x8000))
1731#else
07bf635f
RS		 1732 XQueryColor (dpy, cmap, &topc);
1733 /* don't overflow/wrap! */
1734 topc.red = MINL (65535, topc.red * 1.2);
1735 topc.green = MINL (65535, topc.green * 1.2);
1736 topc.blue = MINL (65535, topc.blue * 1.2);
1737 if (XAllocColor (dpy, cmap, &topc))
be06a3df 1738#endif
07bf635f
RS		 1739 {
1740 mw->menu.top_shadow_color = topc.pixel;
bba2a923 1741 mw->menu.free_top_shadow_color_p = 1;
07bf635f
RS		 1742 top_frobbed = 1;
1743 }
1744 }
1745 if (mw->menu.bottom_shadow_color == mw->menu.foreground ||
1746 mw->menu.bottom_shadow_color == mw->core.background_pixel)
1747 {
1748 botc.pixel = mw->core.background_pixel;
65c0ae05
MB		 1749#ifdef emacs
1750 if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap,
1751 &botc.pixel,
1752 0.6, 0x4000))
1753#else
07bf635f
RS		 1754 XQueryColor (dpy, cmap, &botc);
1755 botc.red *= 0.6;
1756 botc.green *= 0.6;
1757 botc.blue *= 0.6;
1758 if (XAllocColor (dpy, cmap, &botc))
be06a3df 1759#endif
07bf635f
RS		 1760 {
1761 mw->menu.bottom_shadow_color = botc.pixel;
bba2a923 1762 mw->menu.free_bottom_shadow_color_p = 1;
07bf635f
RS		 1763 bottom_frobbed = 1;
1764 }
1765 }
1766
1767 if (top_frobbed && bottom_frobbed)
1768 {
65c0ae05 1769 if (topc.pixel == botc.pixel)
07bf635f
RS		 1770 {
1771 if (botc.pixel == mw->menu.foreground)
fc8fefed 1772 {
bba2a923
GM		 1773 if (mw->menu.free_top_shadow_color_p)
1774 {
1775 x_free_dpy_colors (dpy, screen, cmap,
1776 &mw->menu.top_shadow_color, 1);
1777 mw->menu.free_top_shadow_color_p = 0;
1778 }
1779 mw->menu.top_shadow_color = mw->core.background_pixel;
fc8fefed 1780 }
07bf635f 1781 else
fc8fefed 1782 {
bba2a923
GM		 1783 if (mw->menu.free_bottom_shadow_color_p)
1784 {
1785 x_free_dpy_colors (dpy, screen, cmap,
1786 &mw->menu.bottom_shadow_color, 1);
1787 mw->menu.free_bottom_shadow_color_p = 0;
1788 }
1789 mw->menu.bottom_shadow_color = mw->menu.foreground;
fc8fefed 1790 }
07bf635f
RS		 1791 }
1792 }
1793
1794 if (!mw->menu.top_shadow_pixmap &&
1795 mw->menu.top_shadow_color == mw->core.background_pixel)
1796 {
1797 mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap;
bba2a923
GM		 1798 if (mw->menu.free_top_shadow_color_p)
1799 {
1800 x_free_dpy_colors (dpy, screen, cmap, &mw->menu.top_shadow_color, 1);
1801 mw->menu.free_top_shadow_color_p = 0;
1802 }
1803 mw->menu.top_shadow_color = mw->menu.foreground;
07bf635f
RS		 1804 }
1805 if (!mw->menu.bottom_shadow_pixmap &&
1806 mw->menu.bottom_shadow_color == mw->core.background_pixel)
1807 {
1808 mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap;
bba2a923
GM		 1809 if (mw->menu.free_bottom_shadow_color_p)
1810 {
1811 x_free_dpy_colors (dpy, screen, cmap,
1812 &mw->menu.bottom_shadow_color, 1);
1813 mw->menu.free_bottom_shadow_color_p = 0;
1814 }
1815 mw->menu.bottom_shadow_color = mw->menu.foreground;
07bf635f
RS		 1816 }
1817
1818 xgcv.fill_style = FillStippled;
1819 xgcv.foreground = mw->menu.top_shadow_color;
1820 xgcv.stipple = mw->menu.top_shadow_pixmap;
1821 pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0);
1822 mw->menu.shadow_top_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv);
1823
1824 xgcv.foreground = mw->menu.bottom_shadow_color;
1825 xgcv.stipple = mw->menu.bottom_shadow_pixmap;
1826 pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0);
1827 mw->menu.shadow_bottom_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv);
1828}
1829
1830
1831static void
c3174d16 1832release_shadow_gcs (XlwMenuWidget mw)
07bf635f 1833{
fc8fefed
GM		 1834 Display *dpy = XtDisplay ((Widget) mw);
1835 Screen *screen = XtScreen ((Widget) mw);
1836 Colormap cmap = mw->core.colormap;
1837 Pixel px[2];
bba2a923
GM		 1838 int i = 0;
1839
1840 if (mw->menu.free_top_shadow_color_p)
1841 px[i++] = mw->menu.top_shadow_color;
1842 if (mw->menu.free_bottom_shadow_color_p)
1843 px[i++] = mw->menu.bottom_shadow_color;
1844 if (i > 0)
1845 x_free_dpy_colors (dpy, screen, cmap, px, i);
5c520e0a 1846
07bf635f
RS		 1847 XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc);
1848 XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc);
1849}
1850
99852628 1851#ifdef HAVE_XFT
3928f2b6
JD		 1852static XftFont *
1853getDefaultXftFont (XlwMenuWidget mw)
1854{
1855 int screen = XScreenNumberOfScreen (mw->core.screen);
1856 return XftFontOpenName (XtDisplay (mw), screen, DEFAULT_FONTNAME);
1857}
1858
99852628 1859static int
c3174d16 1860openXftFont (XlwMenuWidget mw)
99852628 1861{
3928f2b6 1862 char *fname = mw->menu.fontName;
99852628
JD		 1863
1864 mw->menu.xft_font = 0;
3928f2b6 1865 mw->menu.default_face = fname && strcmp (fname, DEFAULT_FONTNAME) == 0;
99852628
JD		 1866
1867 if (fname && strcmp (fname, "none") != 0)
1868 {
1869 int screen = XScreenNumberOfScreen (mw->core.screen);
1870 int len = strlen (fname), i = len-1;
1871 /* Try to convert Gtk-syntax (Sans 9) to Xft syntax Sans-9. */
1872 while (i > 0 && isdigit (fname[i]))
1873 --i;
1874 if (fname[i] == ' ')
1875 {
3928f2b6 1876 fname = xstrdup (mw->menu.fontName);
99852628
JD		 1877 fname[i] = '-';
1878 }
1879
3928f2b6
JD		 1880 mw->menu.font = XLoadQueryFont (XtDisplay (mw), fname);
1881 if (!mw->menu.font)
99852628 1882 {
3928f2b6
JD		 1883 mw->menu.xft_font = XftFontOpenName (XtDisplay (mw), screen, fname);
1884 if (!mw->menu.xft_font)
1885 {
1886 fprintf (stderr, "Can't find font '%s'\n", fname);
1887 mw->menu.xft_font = getDefaultXftFont (mw);
1888 }
99852628
JD		 1889 }
1890 }
1891
3928f2b6 1892 if (fname != mw->menu.fontName) free (fname);
99852628
JD		 1893
1894 return mw->menu.xft_font != 0;
1895}
1896#endif
1897
07bf635f 1898static void
e4c8d29a 1899XlwMenuInitialize (Widget request, Widget w, ArgList args, Cardinal *num_args)
07bf635f
RS		 1900{
1901 /* Get the GCs and the widget size */
e4c8d29a 1902 XlwMenuWidget mw = (XlwMenuWidget) w;
07bf635f
RS		 1903 Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw)));
1904 Display* display = XtDisplay (mw);
5c520e0a 1905
d398028f
PR		 1906#if 0
1907 widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value));
1908
1909 /* _XtCreate is freeing the object that was passed to us,
1910 so make a copy that we will actually keep. */
72af86bd 1911 memcpy (tem, mw->menu.contents, sizeof (widget_value));
d398028f
PR		 1912 mw->menu.contents = tem;
1913#endif
1914
99852628 1915 /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */
07bf635f 1916 mw->menu.cursor = mw->menu.cursor_shape;
5c520e0a 1917
a504c8fa 1918 mw->menu.gray_pixmap
f1c16db4
GM		 1919 = XCreatePixmapFromBitmapData (display, window, gray_bitmap_bits,
1920 gray_bitmap_width, gray_bitmap_height,
a504c8fa 1921 (unsigned long)1, (unsigned long)0, 1);
5c520e0a 1922
99852628
JD		 1923#ifdef HAVE_XFT
1924 if (openXftFont (mw))
1925 ;
1926 else
1927#endif
99852628 1928 {
3928f2b6
JD		 1929 mw->menu.font = XLoadQueryFont (display, mw->menu.fontName);
1930 if (!mw->menu.font)
99852628 1931 {
3928f2b6
JD		 1932 mw->menu.font = XLoadQueryFont (display, "fixed");
1933 if (!mw->menu.font)
1934 {
1935 fprintf (stderr, "Menu font fixed not found, can't continue.\n");
1936 abort ();
1937 }
99852628
JD		 1938 }
1939 }
3928f2b6 1940
2015c054
JD		 1941#ifdef HAVE_X_I18N
1942 if (mw->menu.fontSet)
1943 mw->menu.font_extents = XExtentsOfFontSet (mw->menu.fontSet);
423a3f59
SM		 1944#endif
1945
07bf635f
RS		 1946 make_drawing_gcs (mw);
1947 make_shadow_gcs (mw);
5c520e0a 1948
07bf635f 1949 mw->menu.popped_up = False;
5c520e0a 1950
07bf635f
RS		 1951 mw->menu.old_depth = 1;
1952 mw->menu.old_stack = (widget_value**)XtMalloc (sizeof (widget_value*));
1953 mw->menu.old_stack_length = 1;
1954 mw->menu.old_stack [0] = mw->menu.contents;
5c520e0a 1955
07bf635f
RS		 1956 mw->menu.new_depth = 0;
1957 mw->menu.new_stack = 0;
1958 mw->menu.new_stack_length = 0;
1959 push_new_stack (mw, mw->menu.contents);
5c520e0a 1960
07bf635f
RS		 1961 mw->menu.windows = (window_state*)XtMalloc (sizeof (window_state));
1962 mw->menu.windows_length = 1;
1963 mw->menu.windows [0].x = 0;
1964 mw->menu.windows [0].y = 0;
1965 mw->menu.windows [0].width = 0;
1966 mw->menu.windows [0].height = 0;
99852628 1967 mw->menu.windows [0].max_rest_width = 0;
f0bd1598 1968 mw->menu.windows [0].pixmap = None;
99852628
JD		 1969#ifdef HAVE_XFT
1970 mw->menu.windows [0].xft_draw = 0;
1971#endif
07bf635f 1972 size_menu (mw, 0);
5c520e0a 1973
07bf635f
RS		 1974 mw->core.width = mw->menu.windows [0].width;
1975 mw->core.height = mw->menu.windows [0].height;
1976}
1977
1978static void
c3174d16 1979XlwMenuClassInitialize (void)
07bf635f
RS		 1980{
1981}
1982
1983static void
c3174d16 1984XlwMenuRealize (Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
07bf635f
RS		 1985{
1986 XlwMenuWidget mw = (XlwMenuWidget)w;
1987 XSetWindowAttributes xswa;
1988 int mask;
1989
1990 (*xlwMenuWidgetClass->core_class.superclass->core_class.realize)
1991 (w, valueMask, attributes);
1992
1993 xswa.save_under = True;
1994 xswa.cursor = mw->menu.cursor_shape;
1995 mask = CWSaveUnder | CWCursor;
2dfa0fac
KL		 1996 /* I sometimes get random BadCursor errors while creating the first
1997 frame on a display. I can not find their reason, but they are
1998 annoying so for now let's ignore any errors here. -- lorentey */
1999#ifdef emacs
16b55533 2000 x_catch_errors (XtDisplay (w));
2dfa0fac 2001#endif
07bf635f 2002 XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa);
2dfa0fac 2003#ifdef emacs
16b55533 2004 x_uncatch_errors ();
2dfa0fac 2005#endif
07bf635f 2006
f0bd1598 2007 mw->menu.windows [0].w = w;
07bf635f
RS		 2008 mw->menu.windows [0].window = XtWindow (w);
2009 mw->menu.windows [0].x = w->core.x;
2010 mw->menu.windows [0].y = w->core.y;
2011 mw->menu.windows [0].width = w->core.width;
2012 mw->menu.windows [0].height = w->core.height;
99852628 2013
7aad87e8 2014 set_window_type (mw->menu.windows [0].w, mw);
f0bd1598
J		 2015 create_pixmap_for_menu (&mw->menu.windows [0], mw);
2016
99852628
JD		 2017#ifdef HAVE_XFT
2018 if (mw->menu.xft_font)
2019 {
2020 XColor colors[3];
99852628
JD		 2021 colors[0].pixel = mw->menu.xft_fg.pixel = mw->menu.foreground;
2022 colors[1].pixel = mw->menu.xft_bg.pixel = mw->core.background_pixel;
2023 colors[2].pixel = mw->menu.xft_disabled_fg.pixel
2024 = mw->menu.disabled_foreground;
2025 XQueryColors (XtDisplay (mw), mw->core.colormap, colors, 3);
2026 mw->menu.xft_fg.color.alpha = 0xFFFF;
2027 mw->menu.xft_fg.color.red = colors[0].red;
2028 mw->menu.xft_fg.color.green = colors[0].green;
2029 mw->menu.xft_fg.color.blue = colors[0].blue;
2030 mw->menu.xft_bg.color.alpha = 0xFFFF;
2031 mw->menu.xft_bg.color.red = colors[1].red;
2032 mw->menu.xft_bg.color.green = colors[1].green;
2033 mw->menu.xft_bg.color.blue = colors[1].blue;
2034 mw->menu.xft_disabled_fg.color.alpha = 0xFFFF;
2035 mw->menu.xft_disabled_fg.color.red = colors[2].red;
2036 mw->menu.xft_disabled_fg.color.green = colors[2].green;
2037 mw->menu.xft_disabled_fg.color.blue = colors[2].blue;
2038 }
99852628 2039#endif
07bf635f
RS		 2040}
2041
2042/* Only the toplevel menubar/popup is a widget so it's the only one that
2043 receives expose events through Xt. So we repaint all the other panes
2044 when receiving an Expose event. */
5c520e0a 2045static void
c3174d16 2046XlwMenuRedisplay (Widget w, XEvent *ev, Region region)
07bf635f
RS		 2047{
2048 XlwMenuWidget mw = (XlwMenuWidget)w;
07bf635f 2049
d398028f
PR		 2050 /* If we have a depth beyond 1, it's because a submenu was displayed.
2051 If the submenu has been destroyed, set the depth back to 1. */
2052 if (submenu_destroyed)
2053 {
2054 mw->menu.old_depth = 1;
2055 submenu_destroyed = 0;
2056 }
2057
f0bd1598 2058 display_menu (mw, 0, False, NULL, NULL, NULL);
07bf635f
RS		 2059}
2060
f3c9e544
GM		 2061
2062/* Part of a hack to make the menu redisplay when a tooltip frame
2063 over a menu item is unmapped. */
2064
2065void
c3174d16 2066xlwmenu_redisplay (Widget w)
f3c9e544
GM		 2067{
2068 XlwMenuRedisplay (w, NULL, None);
2069}
2070
5c520e0a 2071static void
c3174d16 2072XlwMenuDestroy (Widget w)
07bf635f
RS		 2073{
2074 int i;
2075 XlwMenuWidget mw = (XlwMenuWidget) w;
2076
d398028f 2077 if (pointer_grabbed)
4db7db7d 2078 ungrab_all ((Widget)w, CurrentTime);
d398028f
PR		 2079 pointer_grabbed = 0;
2080
2081 submenu_destroyed = 1;
2082
07bf635f
RS		 2083 release_drawing_gcs (mw);
2084 release_shadow_gcs (mw);
2085
2086 /* this doesn't come from the resource db but is created explicitly
2087 so we must free it ourselves. */
2088 XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap);
2089 mw->menu.gray_pixmap = (Pixmap) -1;
2090
d398028f
PR		 2091#if 0
2092 /* Do free mw->menu.contents because nowadays we copy it
2093 during initialization. */
2094 XtFree (mw->menu.contents);
2095#endif
2096
07bf635f
RS		 2097 /* Don't free mw->menu.contents because that comes from our creator.
2098 The `*_stack' elements are just pointers into `contents' so leave
2099 that alone too. But free the stacks themselves. */
2100 if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack);
2101 if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack);
2102
2103 /* Remember, you can't free anything that came from the resource
2104 database. This includes:
2105 mw->menu.cursor
2106 mw->menu.top_shadow_pixmap
2107 mw->menu.bottom_shadow_pixmap
2108 mw->menu.font
2109 Also the color cells of top_shadow_color, bottom_shadow_color,
2110 foreground, and button_foreground will never be freed until this
2111 client exits. Nice, eh?
2112 */
2113
99852628
JD		 2114#ifdef HAVE_XFT
2115 if (mw->menu.windows [0].xft_draw)
2116 XftDrawDestroy (mw->menu.windows [0].xft_draw);
2117 if (mw->menu.xft_font)
2118 XftFontClose (XtDisplay (mw), mw->menu.xft_font);
2119#endif
2120
f0bd1598
J		 2121 if (mw->menu.windows [0].pixmap != None)
2122 XFreePixmap (XtDisplay (mw), mw->menu.windows [0].pixmap);
07bf635f
RS		 2123 /* start from 1 because the one in slot 0 is w->core.window */
2124 for (i = 1; i < mw->menu.windows_length; i++)
99852628 2125 {
f0bd1598
J		 2126 if (mw->menu.windows [i].pixmap != None)
2127 XFreePixmap (XtDisplay (mw), mw->menu.windows [i].pixmap);
99852628
JD		 2128#ifdef HAVE_XFT
2129 if (mw->menu.windows [i].xft_draw)
2130 XftDrawDestroy (mw->menu.windows [i].xft_draw);
2131#endif
2132 }
2133
07bf635f
RS		 2134 if (mw->menu.windows)
2135 XtFree ((char *) mw->menu.windows);
2136}
2137
b117f7cc 2138#ifdef HAVE_XFT
99852628 2139static int
3928f2b6 2140fontname_changed (XlwMenuWidget newmw,
99852628
JD		 2141 XlwMenuWidget oldmw)
2142{
3928f2b6 2143 /* This will force a new XftFont even if the same string is set.
99852628
JD		 2144 This is good, as rendering parameters may have changed and
2145 we just want to do a redisplay. */
3928f2b6 2146 return newmw->menu.fontName != oldmw->menu.fontName;
99852628 2147}
b117f7cc 2148#endif
99852628 2149
5c520e0a 2150static Boolean
e4c8d29a
J		 2151XlwMenuSetValues (Widget current, Widget request, Widget new,
2152 ArgList args, Cardinal *num_args)
07bf635f
RS		 2153{
2154 XlwMenuWidget oldmw = (XlwMenuWidget)current;
2155 XlwMenuWidget newmw = (XlwMenuWidget)new;
2156 Boolean redisplay = False;
2157 int i;
2158
2159 if (newmw->menu.contents
2160 && newmw->menu.contents->contents
2161 && newmw->menu.contents->contents->change >= VISIBLE_CHANGE)
2162 redisplay = True;
ba624d0f
RS		 2163 /* Do redisplay if the contents are entirely eliminated. */
2164 if (newmw->menu.contents
2165 && newmw->menu.contents->contents == 0
2166 && newmw->menu.contents->change >= VISIBLE_CHANGE)
2167 redisplay = True;
07bf635f
RS		 2168
2169 if (newmw->core.background_pixel != oldmw->core.background_pixel
d398028f 2170 || newmw->menu.foreground != oldmw->menu.foreground
99852628 2171#ifdef HAVE_XFT
3928f2b6 2172 || fontname_changed (newmw, oldmw)
99852628 2173#endif
2015c054
JD		 2174#ifdef HAVE_X_I18N
2175 || newmw->menu.fontSet != oldmw->menu.fontSet
2176 || (newmw->menu.fontSet == NULL && newmw->menu.font != oldmw->menu.font)
2177#else
423a3f59
SM		 2178 || newmw->menu.font != oldmw->menu.font
2179#endif
2180 )
07bf635f
RS		 2181 {
2182 release_drawing_gcs (newmw);
2183 make_drawing_gcs (newmw);
90c7e9f0
MB		 2184
2185 release_shadow_gcs (newmw);
2186 /* Cause the shadow colors to be recalculated. */
2187 newmw->menu.top_shadow_color = -1;
2188 newmw->menu.bottom_shadow_color = -1;
2189 make_shadow_gcs (newmw);
2190
07bf635f 2191 redisplay = True;
5c520e0a 2192
43aa2f1b 2193 if (XtIsRealized (current))
da353f23
MB		 2194 /* If the menu is currently displayed, change the display. */
2195 for (i = 0; i < oldmw->menu.windows_length; i++)
2196 {
2197 XSetWindowBackground (XtDisplay (oldmw),
2198 oldmw->menu.windows [i].window,
2199 newmw->core.background_pixel);
2200 /* clear windows and generate expose events */
2201 XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window,
2202 0, 0, 0, 0, True);
2203 }
07bf635f
RS		 2204 }
2205
99852628 2206#ifdef HAVE_XFT
3928f2b6 2207 if (fontname_changed (newmw, oldmw))
99852628
JD		 2208 {
2209 int i;
2210 int screen = XScreenNumberOfScreen (newmw->core.screen);
2211 if (newmw->menu.xft_font)
2212 XftFontClose (XtDisplay (newmw), newmw->menu.xft_font);
2213 openXftFont (newmw);
2214 for (i = 0; i < newmw->menu.windows_length; i++)
2215 {
2216 if (newmw->menu.windows [i].xft_draw)
2217 XftDrawDestroy (newmw->menu.windows [i].xft_draw);
2218 newmw->menu.windows [i].xft_draw = 0;
2219 }
2220 if (newmw->menu.xft_font)
2221 for (i = 0; i < newmw->menu.windows_length; i++)
2222 newmw->menu.windows [i].xft_draw
2223 = XftDrawCreate (XtDisplay (newmw),
2224 newmw->menu.windows [i].window,
2225 DefaultVisual (XtDisplay (newmw), screen),
2226 newmw->core.colormap);
2227 }
2228#endif
423a3f59 2229#ifdef HAVE_X_I18N
2015c054 2230 if (newmw->menu.fontSet != oldmw->menu.fontSet && newmw->menu.fontSet != NULL)
423a3f59
SM		 2231 {
2232 redisplay = True;
2015c054 2233 newmw->menu.font_extents = XExtentsOfFontSet (newmw->menu.fontSet);
423a3f59
SM		 2234 }
2235#endif
2236
07bf635f
RS		 2237 return redisplay;
2238}
2239
5c520e0a 2240static void
c3174d16 2241XlwMenuResize (Widget w)
07bf635f
RS		 2242{
2243 XlwMenuWidget mw = (XlwMenuWidget)w;
2244
d398028f
PR		 2245 if (mw->menu.popped_up)
2246 {
2247 /* Don't allow the popup menu to resize itself. */
2248 mw->core.width = mw->menu.windows [0].width;
2249 mw->core.height = mw->menu.windows [0].height;
f0bd1598
J		 2250 mw->core.parent->core.width = mw->core.width;
2251 mw->core.parent->core.height = mw->core.height;
d398028f
PR		 2252 }
2253 else
2254 {
2255 mw->menu.windows [0].width = mw->core.width;
2256 mw->menu.windows [0].height = mw->core.height;
f0bd1598 2257 create_pixmap_for_menu (&mw->menu.windows [0], mw);
d398028f 2258 }
07bf635f
RS		 2259}
2260
2261\f/* Action procedures */
2262static void
c3174d16 2263handle_single_motion_event (XlwMenuWidget mw, XMotionEvent *ev)
07bf635f
RS		 2264{
2265 widget_value* val;
2266 int level;
2267
2268 if (!map_event_to_widget_value (mw, ev, &val, &level))
2269 pop_new_stack_if_no_contents (mw);
2270 else
2271 set_new_state (mw, val, level);
2272 remap_menubar (mw);
5c520e0a 2273
07bf635f
RS		 2274 /* Sync with the display. Makes it feel better on X terms. */
2275 XSync (XtDisplay (mw), False);
2276}
2277
2278static void
c3174d16 2279handle_motion_event (XlwMenuWidget mw, XMotionEvent *ev)
07bf635f
RS		 2280{
2281 int x = ev->x_root;
2282 int y = ev->y_root;
2283 int state = ev->state;
f0bd1598 2284 XMotionEvent oldev = *ev;
07bf635f
RS		 2285
2286 /* allow motion events to be generated again */
2287 if (ev->is_hint
2288 && XQueryPointer (XtDisplay (mw), ev->window,
2289 &ev->root, &ev->subwindow,
2290 &ev->x_root, &ev->y_root,
2291 &ev->x, &ev->y,
2292 &ev->state)
2293 && ev->state == state
2294 && (ev->x_root != x || ev->y_root != y))
2295 handle_single_motion_event (mw, ev);
f0bd1598
J		 2296 else
2297 handle_single_motion_event (mw, &oldev);
07bf635f
RS		 2298}
2299
5c520e0a 2300static void
c3174d16 2301Start (Widget w, XEvent *ev, String *params, Cardinal *num_params)
07bf635f
RS		 2302{
2303 XlwMenuWidget mw = (XlwMenuWidget)w;
2304
d398028f
PR		 2305 if (!mw->menu.popped_up)
2306 {
2307 menu_post_event = *ev;
244c93fe
JD		 2308 /* If event is set to CurrentTime, get the last known time stamp.
2309 This is for calculating if (popup) menus should stay up after
2310 a fast click. */
2311 if (menu_post_event.xbutton.time == CurrentTime)
2312 menu_post_event.xbutton.time
2313 = XtLastTimestampProcessed (XtDisplay (w));
2314
a57a1605 2315 pop_up_menu (mw, (XButtonPressedEvent*) ev);
d398028f
PR		 2316 }
2317 else
4cc76151
PR		 2318 {
2319 /* If we push a button while the menu is posted semipermanently,
2320 releasing the button should always pop the menu down. */
2321 next_release_must_exit = 1;
d398028f 2322
4cc76151
PR		 2323 /* notes the absolute position of the menubar window */
2324 mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x;
2325 mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y;
07bf635f 2326
4cc76151 2327 /* handles the down like a move, slots are compatible */
1f5df1f7 2328 ev->xmotion.is_hint = 0;
4cc76151
PR		 2329 handle_motion_event (mw, &ev->xmotion);
2330 }
07bf635f
RS		 2331}
2332
5c520e0a 2333static void
c3174d16 2334Drag (Widget w, XEvent *ev, String *params, Cardinal *num_params)
07bf635f
RS		 2335{
2336 XlwMenuWidget mw = (XlwMenuWidget)w;
3c9ce1c4
KH		 2337 if (mw->menu.popped_up)
2338 handle_motion_event (mw, &ev->xmotion);
07bf635f
RS		 2339}
2340
ba624d0f
RS		 2341/* Do nothing.
2342 This is how we handle presses and releases of modifier keys. */
2343static void
c3174d16 2344Nothing (Widget w, XEvent *ev, String *params, Cardinal *num_params)
ba624d0f
RS		 2345{
2346}
2347
244c93fe 2348static widget_value *
c3174d16 2349find_first_selectable (XlwMenuWidget mw, widget_value *item, int skip_titles)
1b8d91ab
PJ		 2350{
2351 widget_value *current = item;
2352 enum menu_separator separator;
2353
244c93fe 2354 while (lw_separator_p (current->name, &separator, 0) || !current->enabled
03a693b4 2355 || (skip_titles && !current->call_data && !current->contents))
1b8d91ab
PJ		 2356 if (current->next)
2357 current=current->next;
2358 else
03a693b4 2359 return NULL;
1b8d91ab
PJ		 2360
2361 return current;
2362}
2363
244c93fe 2364static widget_value *
c3174d16 2365find_next_selectable (XlwMenuWidget mw, widget_value *item, int skip_titles)
a7e19a26
PJ		 2366{
2367 widget_value *current = item;
2368 enum menu_separator separator;
2369
2370 while (current->next && (current=current->next) &&
244c93fe 2371 (lw_separator_p (current->name, &separator, 0) || !current->enabled
03a693b4 2372 || (skip_titles && !current->call_data && !current->contents)))
a7e19a26
PJ		 2373 ;
2374
2375 if (current == item)
2376 {
8b71a9ca
PJ		 2377 if (mw->menu.old_depth < 2)
2378 return current;
a7e19a26
PJ		 2379 current = mw->menu.old_stack [mw->menu.old_depth - 2]->contents;
2380
244c93fe
JD		 2381 while (lw_separator_p (current->name, &separator, 0)
2382 || !current->enabled
03a693b4
JD		 2383 || (skip_titles && !current->call_data
2384 && !current->contents))
1b8d91ab
PJ		 2385 {
2386 if (current->next)
2387 current=current->next;
2388
2389 if (current == item)
2390 break;
2391 }
2392
a7e19a26
PJ		 2393 }
2394
2395 return current;
2396}
2397
244c93fe 2398static widget_value *
c3174d16 2399find_prev_selectable (XlwMenuWidget mw, widget_value *item, int skip_titles)
a7e19a26
PJ		 2400{
2401 widget_value *current = item;
2402 widget_value *prev = item;
2403
03a693b4 2404 while ((current=find_next_selectable (mw, current, skip_titles))
244c93fe 2405 != item)
1b8d91ab
PJ		 2406 {
2407 if (prev == current)
2408 break;
a7e19a26 2409 prev=current;
1b8d91ab 2410 }
a7e19a26
PJ		 2411
2412 return prev;
2413}
2414
2415static void
c3174d16 2416Down (Widget w, XEvent *ev, String *params, Cardinal *num_params)
a7e19a26
PJ		 2417{
2418 XlwMenuWidget mw = (XlwMenuWidget) w;
2419 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe 2420 int popup_menu_p = mw->menu.top_depth == 1;
a7e19a26
PJ		 2421
2422 /* Inside top-level menu-bar? */
244c93fe 2423 if (mw->menu.old_depth == mw->menu.top_depth)
a7e19a26 2424 /* When <down> in the menu-bar is pressed, display the corresponding
244c93fe 2425 sub-menu and select the first selectable menu item there.
03a693b4 2426 If this is a popup menu, skip title item of the popup. */
244c93fe
JD		 2427 set_new_state (mw,
2428 find_first_selectable (mw,
2429 selected_item->contents,
2430 popup_menu_p),
2431 mw->menu.old_depth);
a7e19a26
PJ		 2432 else
2433 /* Highlight next possible (enabled and not separator) menu item. */
244c93fe
JD		 2434 set_new_state (mw, find_next_selectable (mw, selected_item, popup_menu_p),
2435 mw->menu.old_depth - 1);
a7e19a26
PJ		 2436
2437 remap_menubar (mw);
2438}
2439
2440static void
c3174d16 2441Up (Widget w, XEvent *ev, String *params, Cardinal *num_params)
a7e19a26
PJ		 2442{
2443 XlwMenuWidget mw = (XlwMenuWidget) w;
2444 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe 2445 int popup_menu_p = mw->menu.top_depth == 1;
a7e19a26
PJ		 2446
2447 /* Inside top-level menu-bar? */
244c93fe 2448 if (mw->menu.old_depth == mw->menu.top_depth)
a7e19a26
PJ		 2449 {
2450 /* FIXME: this is tricky. <up> in the menu-bar should select the
1b8d91ab
PJ		 2451 last selectable item in the list. So we select the first
2452 selectable one and find the previous selectable item. Is there
2453 a better way? */
03a693b4 2454 /* If this is a popup menu, skip title item of the popup. */
244c93fe
JD		 2455 set_new_state (mw,
2456 find_first_selectable (mw,
2457 selected_item->contents,
2458 popup_menu_p),
2459 mw->menu.old_depth);
a7e19a26
PJ		 2460 remap_menubar (mw);
2461 selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe
JD		 2462 set_new_state (mw,
2463 find_prev_selectable (mw,
2464 selected_item,
2465 popup_menu_p),
2466 mw->menu.old_depth - 1);
a7e19a26
PJ		 2467 }
2468 else
2469 /* Highlight previous (enabled and not separator) menu item. */
244c93fe
JD		 2470 set_new_state (mw, find_prev_selectable (mw, selected_item, popup_menu_p),
2471 mw->menu.old_depth - 1);
a7e19a26
PJ		 2472
2473 remap_menubar (mw);
2474}
2475
244c93fe 2476void
c3174d16 2477Left (Widget w, XEvent *ev, String *params, Cardinal *num_params)
a7e19a26
PJ		 2478{
2479 XlwMenuWidget mw = (XlwMenuWidget) w;
2480 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
2481
2482 /* Inside top-level menu-bar? */
244c93fe 2483 if (mw->menu.old_depth == mw->menu.top_depth)
a7e19a26
PJ		 2484 /* When <left> in the menu-bar is pressed, display the previous item on
2485 the menu-bar. If the current item is the first one, highlight the
2486 last item in the menubar (probably Help). */
244c93fe
JD		 2487 set_new_state (mw, find_prev_selectable (mw, selected_item, 0),
2488 mw->menu.old_depth - 1);
fa74535d
RS		 2489 else if (mw->menu.old_depth == 1
2490 && selected_item->contents) /* Is this menu item expandable? */
2491 {
2492 set_new_state (mw, selected_item->contents, mw->menu.old_depth);
2493 remap_menubar (mw);
2494 selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe
JD		 2495 if (!selected_item->enabled && find_first_selectable (mw,
2496 selected_item,
2497 0))
2498 set_new_state (mw, find_first_selectable (mw, selected_item, 0),
2499 mw->menu.old_depth - 1);
fa74535d
RS		 2500 }
2501
a7e19a26
PJ		 2502 else
2503 {
2504 pop_new_stack_if_no_contents (mw);
244c93fe
JD		 2505 set_new_state (mw, mw->menu.old_stack [mw->menu.old_depth - 2],
2506 mw->menu.old_depth - 2);
a7e19a26
PJ		 2507 }
2508
2509 remap_menubar (mw);
2510}
2511
244c93fe 2512void
c3174d16 2513Right (Widget w, XEvent *ev, String *params, Cardinal *num_params)
a7e19a26
PJ		 2514{
2515 XlwMenuWidget mw = (XlwMenuWidget) w;
2516 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
2517
2518 /* Inside top-level menu-bar? */
244c93fe 2519 if (mw->menu.old_depth == mw->menu.top_depth)
a7e19a26
PJ		 2520 /* When <right> in the menu-bar is pressed, display the next item on
2521 the menu-bar. If the current item is the last one, highlight the
2522 first item (probably File). */
244c93fe
JD		 2523 set_new_state (mw, find_next_selectable (mw, selected_item, 0),
2524 mw->menu.old_depth - 1);
a7e19a26 2525 else if (selected_item->contents) /* Is this menu item expandable? */
1b8d91ab
PJ		 2526 {
2527 set_new_state (mw, selected_item->contents, mw->menu.old_depth);
2528 remap_menubar (mw);
2529 selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe
JD		 2530 if (!selected_item->enabled && find_first_selectable (mw,
2531 selected_item,
2532 0))
2533 set_new_state (mw, find_first_selectable (mw, selected_item, 0),
2534 mw->menu.old_depth - 1);
1b8d91ab 2535 }
a7e19a26
PJ		 2536 else
2537 {
2538 pop_new_stack_if_no_contents (mw);
244c93fe
JD		 2539 set_new_state (mw, mw->menu.old_stack [mw->menu.old_depth - 2],
2540 mw->menu.old_depth - 2);
a7e19a26
PJ		 2541 }
2542
2543 remap_menubar (mw);
2544}
2545
ba624d0f
RS		 2546/* Handle key press and release events while menu is popped up.
2547 Our action is to get rid of the menu. */
2548static void
c3174d16 2549Key (Widget w, XEvent *ev, String *params, Cardinal *num_params)
ba624d0f
RS		 2550{
2551 XlwMenuWidget mw = (XlwMenuWidget)w;
2552
2553 /* Pop down everything. */
2554 mw->menu.new_depth = 1;
2555 remap_menubar (mw);
2556
2557 if (mw->menu.popped_up)
2558 {
2559 mw->menu.popped_up = False;
4db7db7d 2560 ungrab_all ((Widget)mw, ev->xmotion.time);
ba624d0f
RS		 2561 if (XtIsShell (XtParent ((Widget) mw)))
2562 XtPopdown (XtParent ((Widget) mw));
2563 else
2564 {
2565 XtRemoveGrab ((Widget) mw);
f0bd1598 2566 display_menu (mw, 0, False, NULL, NULL, NULL);
ba624d0f
RS		 2567 }
2568 }
2569
2570 /* callback */
2571 XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)0);
2572}
2573
2574static void
c3174d16 2575Select (Widget w, XEvent *ev, String *params, Cardinal *num_params)
07bf635f
RS		 2576{
2577 XlwMenuWidget mw = (XlwMenuWidget)w;
2578 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
5c520e0a 2579
d398028f
PR		 2580 /* If user releases the button quickly, without selecting anything,
2581 after the initial down-click that brought the menu up,
2582 do nothing. */
2583 if ((selected_item == 0
2584 || ((widget_value *) selected_item)->call_data == 0)
2585 && !next_release_must_exit
2586 && (ev->xbutton.time - menu_post_event.xbutton.time
2587 < XtGetMultiClickTime (XtDisplay (w))))
2588 return;
2589
2590 /* pop down everything. */
07bf635f
RS		 2591 mw->menu.new_depth = 1;
2592 remap_menubar (mw);
2593
2594 if (mw->menu.popped_up)
2595 {
2596 mw->menu.popped_up = False;
4db7db7d 2597 ungrab_all ((Widget)mw, ev->xmotion.time);
2289f3f4
PR		 2598 if (XtIsShell (XtParent ((Widget) mw)))
2599 XtPopdown (XtParent ((Widget) mw));
4cc76151
PR		 2600 else
2601 {
2602 XtRemoveGrab ((Widget) mw);
f0bd1598 2603 display_menu (mw, 0, False, NULL, NULL, NULL);
4cc76151 2604 }
07bf635f
RS		 2605 }
2606
2607 /* callback */
2608 XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)selected_item);
07bf635f
RS		 2609}
2610
2611
2612\f/* Special code to pop-up a menu */
244c93fe 2613static void
c3174d16 2614pop_up_menu (XlwMenuWidget mw, XButtonPressedEvent *event)
07bf635f
RS		 2615{
2616 int x = event->x_root;
2617 int y = event->y_root;
2618 int w;
2619 int h;
2620 int borderwidth = mw->menu.shadow_thickness;
2621 Screen* screen = XtScreen (mw);
8400b9ed 2622 Display *display = XtDisplay (mw);
07bf635f 2623
d398028f
PR		 2624 next_release_must_exit = 0;
2625
1ecd5086 2626 mw->menu.inside_entry = NULL;
07bf635f
RS		 2627 XtCallCallbackList ((Widget)mw, mw->menu.open, NULL);
2628
2289f3f4 2629 if (XtIsShell (XtParent ((Widget)mw)))
4cc76151 2630 size_menu (mw, 0);
07bf635f
RS		 2631
2632 w = mw->menu.windows [0].width;
2633 h = mw->menu.windows [0].height;
2634
2635 x -= borderwidth;
2636 y -= borderwidth;
2637 if (x < borderwidth)
2638 x = borderwidth;
2639 if (x + w + 2 * borderwidth > WidthOfScreen (screen))
2640 x = WidthOfScreen (screen) - w - 2 * borderwidth;
2641 if (y < borderwidth)
2642 y = borderwidth;
2643 if (y + h + 2 * borderwidth> HeightOfScreen (screen))
2644 y = HeightOfScreen (screen) - h - 2 * borderwidth;
2645
2646 mw->menu.popped_up = True;
2289f3f4 2647 if (XtIsShell (XtParent ((Widget)mw)))
4cc76151 2648 {
2289f3f4
PR		 2649 XtConfigureWidget (XtParent ((Widget)mw), x, y, w, h,
2650 XtParent ((Widget)mw)->core.border_width);
2651 XtPopup (XtParent ((Widget)mw), XtGrabExclusive);
f0bd1598 2652 display_menu (mw, 0, False, NULL, NULL, NULL);
4cc76151
PR		 2653 mw->menu.windows [0].x = x + borderwidth;
2654 mw->menu.windows [0].y = y + borderwidth;
244c93fe 2655 mw->menu.top_depth = 1; /* Popup menus don't have a bar so top is 1 */
4cc76151
PR		 2656 }
2657 else
2658 {
2659 XEvent *ev = (XEvent *) event;
2660
87a559bf 2661 XtAddGrab ((Widget) mw, True, True);
4cc76151
PR		 2662
2663 /* notes the absolute position of the menubar window */
2664 mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x;
2665 mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y;
244c93fe 2666 mw->menu.top_depth = 2;
4cc76151
PR		 2667 }
2668
d398028f 2669#ifdef emacs
1f5df1f7 2670 x_catch_errors (display);
d398028f 2671#endif
4db7db7d
JD		 2672 if (XtGrabPointer ((Widget)mw, False,
2673 (PointerMotionMask
2674 | PointerMotionHintMask
2675 | ButtonReleaseMask
2676 | ButtonPressMask),
2677 GrabModeAsync, GrabModeAsync, None,
2678 mw->menu.cursor_shape,
2679 event->time) == Success)
2680 {
005e0d57 2681 if (! GRAB_KEYBOARD
4db7db7d
JD		 2682 || XtGrabKeyboard ((Widget)mw, False, GrabModeAsync,
2683 GrabModeAsync, event->time) == Success)
2684 {
2685 XtSetKeyboardFocus((Widget)mw, None);
2686 pointer_grabbed = 1;
2687 }
2688 else
2689 XtUngrabPointer ((Widget)mw, event->time);
2690 }
2691
d398028f 2692#ifdef emacs
8400b9ed 2693 if (x_had_errors_p (display))
d398028f
PR		 2694 {
2695 pointer_grabbed = 0;
2696 XtUngrabPointer ((Widget)mw, event->time);
2697 }
1f5df1f7 2698 x_uncatch_errors ();
d398028f 2699#endif
07bf635f 2700
1f5df1f7 2701 ((XMotionEvent*)event)->is_hint = 0;
07bf635f
RS		 2702 handle_motion_event (mw, (XMotionEvent*)event);
2703}
Unnamed repository; edit this file 'description' to name the repository.