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Don't redraw lucid menus more than needed. Use double buffer to reduce flicker.
[bpt/emacs.git] / lwlib / xlwmenu.c
CommitLineData
5c520e0a 1/* Implements a lightweight menubar widget.
81e32ca3
GM		 2Copyright (C) 1992 Lucid, Inc.
3Copyright (C) 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003, 2004,
114f9c96 4 2005, 2006, 2007, 2008, 2009, 2010 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>
404074e2 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
1f5df1f7
JD		 60#include "xterm.h"
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
99852628 74static XFontStruct *xlwmenu_default_font;
47d52240 75
5c520e0a
SS		 76static char
77xlwMenuTranslations [] =
ba624d0f
RS		 78"<BtnDown>: start()\n\
79<Motion>: drag()\n\
80<BtnUp>: select()\n\
81<Key>Shift_L: nothing()\n\
82<Key>Shift_R: nothing()\n\
83<Key>Meta_L: nothing()\n\
84<Key>Meta_R: nothing()\n\
85<Key>Control_L: nothing()\n\
86<Key>Control_R: nothing()\n\
87<Key>Hyper_L: nothing()\n\
88<Key>Hyper_R: nothing()\n\
89<Key>Super_L: nothing()\n\
90<Key>Super_R: nothing()\n\
91<Key>Alt_L: nothing()\n\
92<Key>Alt_R: nothing()\n\
93<Key>Caps_Lock: nothing()\n\
94<Key>Shift_Lock: nothing()\n\
95<KeyUp>Shift_L: nothing()\n\
96<KeyUp>Shift_R: nothing()\n\
97<KeyUp>Meta_L: nothing()\n\
98<KeyUp>Meta_R: nothing()\n\
99<KeyUp>Control_L: nothing()\n\
100<KeyUp>Control_R: nothing()\n\
101<KeyUp>Hyper_L: nothing()\n\
102<KeyUp>Hyper_R: nothing()\n\
103<KeyUp>Super_L: nothing()\n\
104<KeyUp>Super_R: nothing()\n\
105<KeyUp>Alt_L: nothing()\n\
106<KeyUp>Alt_R: nothing()\n\
107<KeyUp>Caps_Lock: nothing()\n\
108<KeyUp>Shift_Lock:nothing()\n\
a7e19a26
PJ		 109<Key>Return: select()\n\
110<Key>Down: down()\n\
111<Key>Up: up()\n\
112<Key>Left: left()\n\
113<Key>Right: right()\n\
ba624d0f
RS		 114<Key>: key()\n\
115<KeyUp>: key()\n\
07bf635f
RS		 116";
117
a7e19a26
PJ		 118/* FIXME: Space should toggle toggleable menu item but not remove the menu
119 so you can toggle the next one without entering the menu again. */
120
121/* FIXME: Should ESC close one level of menu structure or the complete menu? */
122
2376c841 123/* FIXME: F10 should enter the menu, the first one in the menu-bar. */
a7e19a26 124
07bf635f 125#define offset(field) XtOffset(XlwMenuWidget, field)
5c520e0a 126static XtResource
07bf635f 127xlwMenuResources[] =
5c520e0a 128{
423a3f59 129#ifdef HAVE_X_I18N
2015c054
JD		 130 {XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet),
131 offset(menu.fontSet), XtRFontSet, NULL},
99852628
JD		 132#endif
133#ifdef HAVE_XFT
134#define DEFAULT_FACENAME "Sans-10"
135 {XtNfaceName, XtCFaceName, XtRString, sizeof(String),
136 offset(menu.faceName), XtRString, DEFAULT_FACENAME},
137 {XtNdefaultFace, XtCDefaultFace, XtRInt, sizeof(int),
138 offset(menu.default_face), XtRImmediate, (XtPointer)1},
2015c054 139#endif
07bf635f 140 {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *),
423a3f59 141 offset(menu.font), XtRString, "XtDefaultFont"},
07bf635f
RS		 142 {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
143 offset(menu.foreground), XtRString, "XtDefaultForeground"},
8b71a9ca
PJ		 144 {XtNdisabledForeground, XtCDisabledForeground, XtRPixel, sizeof(Pixel),
145 offset(menu.disabled_foreground), XtRString, (XtPointer)NULL},
07bf635f
RS		 146 {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel),
147 offset(menu.button_foreground), XtRString, "XtDefaultForeground"},
148 {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension),
2376c841 149 offset(menu.margin), XtRImmediate, (XtPointer)1},
07bf635f
RS		 150 {XtNhorizontalSpacing, XtCMargin, XtRDimension, sizeof(Dimension),
151 offset(menu.horizontal_spacing), XtRImmediate, (XtPointer)3},
152 {XtNverticalSpacing, XtCMargin, XtRDimension, sizeof(Dimension),
2376c841 153 offset(menu.vertical_spacing), XtRImmediate, (XtPointer)2},
07bf635f
RS		 154 {XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension),
155 offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10},
156
d398028f 157 {XmNshadowThickness, XmCShadowThickness, XtRDimension,
07bf635f 158 sizeof (Dimension), offset (menu.shadow_thickness),
2376c841 159 XtRImmediate, (XtPointer)1},
07bf635f
RS		 160 {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel),
161 offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1},
162 {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel),
163 offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1},
164 {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap),
165 offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None},
166 {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap),
167 offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None},
168
5c520e0a 169 {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer),
07bf635f 170 offset(menu.open), XtRCallback, (XtPointer)NULL},
5c520e0a 171 {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer),
07bf635f 172 offset(menu.select), XtRCallback, (XtPointer)NULL},
5c520e0a 173 {XtNhighlightCallback, XtCCallback, XtRCallback, sizeof(XtPointer),
d6fd6371 174 offset(menu.highlight), XtRCallback, (XtPointer)NULL},
1ecd5086
JD		 175 {XtNenterCallback, XtCCallback, XtRCallback, sizeof(XtPointer),
176 offset(menu.enter), XtRCallback, (XtPointer)NULL},
177 {XtNleaveCallback, XtCCallback, XtRCallback, sizeof(XtPointer),
178 offset(menu.leave), XtRCallback, (XtPointer)NULL},
07bf635f
RS		 179 {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer),
180 offset(menu.contents), XtRImmediate, (XtPointer)NULL},
181 {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor),
182 offset(menu.cursor_shape), XtRString, (XtPointer)"right_ptr"},
183 {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int),
184 offset(menu.horizontal), XtRImmediate, (XtPointer)True},
185};
186#undef offset
187
188static Boolean XlwMenuSetValues();
189static void XlwMenuRealize();
07bf635f
RS		 190static void XlwMenuResize();
191static void XlwMenuInitialize();
192static void XlwMenuRedisplay();
193static void XlwMenuDestroy();
194static void XlwMenuClassInitialize();
195static void Start();
196static void Drag();
a7e19a26
PJ		 197static void Down();
198static void Up();
199static void Left();
200static void Right();
07bf635f 201static void Select();
ba624d0f
RS		 202static void Key();
203static void Nothing();
8fdc9384 204static int separator_height __P ((enum menu_separator));
244c93fe
JD		 205static void pop_up_menu __P ((XlwMenuWidget, XButtonPressedEvent *));
206
07bf635f 207
5c520e0a 208static XtActionsRec
07bf635f
RS		 209xlwMenuActionsList [] =
210{
211 {"start", Start},
212 {"drag", Drag},
a7e19a26
PJ		 213 {"down", Down},
214 {"up", Up},
215 {"left", Left},
216 {"right", Right},
07bf635f 217 {"select", Select},
ba624d0f 218 {"key", Key},
4220b2a5 219 {"MenuGadgetEscape", Key}, /* Compatibility with Lesstif/Motif. */
ba624d0f 220 {"nothing", Nothing},
07bf635f
RS		 221};
222
223#define SuperClass ((CoreWidgetClass)&coreClassRec)
224
225XlwMenuClassRec xlwMenuClassRec =
226{
227 { /* CoreClass fields initialization */
5c520e0a 228 (WidgetClass) SuperClass, /* superclass */
07bf635f
RS		 229 "XlwMenu", /* class_name */
230 sizeof(XlwMenuRec), /* size */
231 XlwMenuClassInitialize, /* class_initialize */
232 NULL, /* class_part_initialize */
233 FALSE, /* class_inited */
234 XlwMenuInitialize, /* initialize */
235 NULL, /* initialize_hook */
236 XlwMenuRealize, /* realize */
237 xlwMenuActionsList, /* actions */
238 XtNumber(xlwMenuActionsList), /* num_actions */
239 xlwMenuResources, /* resources */
240 XtNumber(xlwMenuResources), /* resource_count */
241 NULLQUARK, /* xrm_class */
242 TRUE, /* compress_motion */
423a3f59 243 XtExposeCompressMaximal, /* compress_exposure */
07bf635f
RS		 244 TRUE, /* compress_enterleave */
245 FALSE, /* visible_interest */
246 XlwMenuDestroy, /* destroy */
247 XlwMenuResize, /* resize */
248 XlwMenuRedisplay, /* expose */
249 XlwMenuSetValues, /* set_values */
250 NULL, /* set_values_hook */
251 XtInheritSetValuesAlmost, /* set_values_almost */
252 NULL, /* get_values_hook */
253 NULL, /* accept_focus */
254 XtVersion, /* version */
255 NULL, /* callback_private */
256 xlwMenuTranslations, /* tm_table */
257 XtInheritQueryGeometry, /* query_geometry */
258 XtInheritDisplayAccelerator, /* display_accelerator */
259 NULL /* extension */
260 }, /* XlwMenuClass fields initialization */
261 {
262 0 /* dummy */
263 },
264};
265
266WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec;
267
d398028f
PR		 268int submenu_destroyed;
269
005e0d57
JD		 270/* For debug, if installation-directory is non-nil this is not an installed
271 Emacs. In that case we do not grab the keyboard to make it easier to
272 debug. */
273#define GRAB_KEYBOARD (EQ (Vinstallation_directory, Qnil))
4db7db7d 274
d398028f
PR		 275static int next_release_must_exit;
276
07bf635f 277\f/* Utilities */
be06a3df 278
4db7db7d
JD		 279/* Ungrab pointer and keyboard */
280static void
281ungrab_all (w, ungrabtime)
282 Widget w;
283 Time ungrabtime;
284{
285 XtUngrabPointer (w, ungrabtime);
005e0d57 286 if (GRAB_KEYBOARD) XtUngrabKeyboard (w, ungrabtime);
4db7db7d 287}
be06a3df
GM		 288
289/* Like abort, but remove grabs from widget W before. */
290
291static void
292abort_gracefully (w)
293 Widget w;
294{
295 if (XtIsShell (XtParent (w)))
296 XtRemoveGrab (w);
4db7db7d 297 ungrab_all (w, CurrentTime);
be06a3df
GM		 298 abort ();
299}
300
07bf635f 301static void
d398028f
PR		 302push_new_stack (mw, val)
303 XlwMenuWidget mw;
304 widget_value* val;
07bf635f
RS		 305{
306 if (!mw->menu.new_stack)
307 {
308 mw->menu.new_stack_length = 10;
309 mw->menu.new_stack =
310 (widget_value**)XtCalloc (mw->menu.new_stack_length,
311 sizeof (widget_value*));
312 }
313 else if (mw->menu.new_depth == mw->menu.new_stack_length)
314 {
315 mw->menu.new_stack_length *= 2;
316 mw->menu.new_stack =
317 (widget_value**)XtRealloc ((char*)mw->menu.new_stack,
318 mw->menu.new_stack_length * sizeof (widget_value*));
319 }
320 mw->menu.new_stack [mw->menu.new_depth++] = val;
321}
322
323static void
d398028f
PR		 324pop_new_stack_if_no_contents (mw)
325 XlwMenuWidget mw;
07bf635f 326{
fa74535d 327 if (mw->menu.new_depth > 1)
07bf635f
RS		 328 {
329 if (!mw->menu.new_stack [mw->menu.new_depth - 1]->contents)
330 mw->menu.new_depth -= 1;
331 }
332}
333
334static void
d398028f
PR		 335make_old_stack_space (mw, n)
336 XlwMenuWidget mw;
337 int n;
07bf635f
RS		 338{
339 if (!mw->menu.old_stack)
340 {
341 mw->menu.old_stack_length = 10;
342 mw->menu.old_stack =
343 (widget_value**)XtCalloc (mw->menu.old_stack_length,
344 sizeof (widget_value*));
345 }
346 else if (mw->menu.old_stack_length < n)
347 {
348 mw->menu.old_stack_length *= 2;
349 mw->menu.old_stack =
350 (widget_value**)XtRealloc ((char*)mw->menu.old_stack,
351 mw->menu.old_stack_length * sizeof (widget_value*));
352 }
353}
354
355\f/* Size code */
1f5df1f7 356static int
d398028f
PR		 357string_width (mw, s)
358 XlwMenuWidget mw;
359 char *s;
07bf635f
RS		 360{
361 XCharStruct xcs;
362 int drop;
99852628
JD		 363#ifdef HAVE_XFT
364 if (mw->menu.xft_font)
365 {
366 XGlyphInfo gi;
367 XftTextExtentsUtf8 (XtDisplay (mw), mw->menu.xft_font,
368 (FcChar8 *) s,
369 strlen (s), &gi);
370 return gi.width;
371 }
372#endif
2015c054 373#ifdef HAVE_X_I18N
2015c054
JD		 374 if (mw->menu.fontSet)
375 {
99852628 376 XRectangle ink, logical;
2015c054
JD		 377 XmbTextExtents (mw->menu.fontSet, s, strlen (s), &ink, &logical);
378 return logical.width;
379 }
380#endif
5c520e0a 381
07bf635f
RS		 382 XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs);
383 return xcs.width;
2015c054 384
07bf635f
RS		 385}
386
99852628
JD		 387#ifdef HAVE_XFT
388#define MENU_FONT_HEIGHT(mw) \
389 ((mw)->menu.xft_font != NULL \
390 ? (mw)->menu.xft_font->height \
391 : ((mw)->menu.fontSet != NULL \
392 ? (mw)->menu.font_extents->max_logical_extent.height \
393 : (mw)->menu.font->ascent + (mw)->menu.font->descent))
394#define MENU_FONT_ASCENT(mw) \
395 ((mw)->menu.xft_font != NULL \
396 ? (mw)->menu.xft_font->ascent \
397 : ((mw)->menu.fontSet != NULL \
398 ? - (mw)->menu.font_extents->max_logical_extent.y \
399 : (mw)->menu.font->ascent))
400#else
423a3f59
SM		 401#ifdef HAVE_X_I18N
402#define MENU_FONT_HEIGHT(mw) \
2015c054
JD		 403 ((mw)->menu.fontSet != NULL \
404 ? (mw)->menu.font_extents->max_logical_extent.height \
405 : (mw)->menu.font->ascent + (mw)->menu.font->descent)
15df8e89 406#define MENU_FONT_ASCENT(mw) \
2015c054
JD		 407 ((mw)->menu.fontSet != NULL \
408 ? - (mw)->menu.font_extents->max_logical_extent.y \
409 : (mw)->menu.font->ascent)
423a3f59
SM		 410#else
411#define MENU_FONT_HEIGHT(mw) \
412 ((mw)->menu.font->ascent + (mw)->menu.font->descent)
413#define MENU_FONT_ASCENT(mw) ((mw)->menu.font->ascent)
414#endif
99852628 415#endif
423a3f59 416
07bf635f 417static int
d398028f
PR		 418arrow_width (mw)
419 XlwMenuWidget mw;
07bf635f 420{
423a3f59 421 return (MENU_FONT_ASCENT (mw) * 3/4) | 1;
07bf635f
RS		 422}
423
be06a3df
GM		 424/* Return the width of toggle buttons of widget MW. */
425
426static int
427toggle_button_width (mw)
428 XlwMenuWidget mw;
429{
423a3f59 430 return (MENU_FONT_HEIGHT (mw) * 2 / 3) | 1;
be06a3df
GM		 431}
432
433
434/* Return the width of radio buttons of widget MW. */
435
436static int
437radio_button_width (mw)
438 XlwMenuWidget mw;
439{
440 return toggle_button_width (mw) * 1.41;
441}
442
443
07bf635f
RS		 444static XtResource
445nameResource[] =
5c520e0a 446{
07bf635f
RS		 447 {"labelString", "LabelString", XtRString, sizeof(String),
448 0, XtRImmediate, 0},
449};
450
451static char*
d398028f
PR		 452resource_widget_value (mw, val)
453 XlwMenuWidget mw;
454 widget_value *val;
07bf635f
RS		 455{
456 if (!val->toolkit_data)
457 {
458 char* resourced_name = NULL;
459 char* complete_name;
460 XtGetSubresources ((Widget) mw,
461 (XtPointer) &resourced_name,
462 val->name, val->name,
463 nameResource, 1, NULL, 0);
464 if (!resourced_name)
465 resourced_name = val->name;
466 if (!val->value)
d97342f3
RS		 467 {
468 complete_name = (char *) XtMalloc (strlen (resourced_name) + 1);
469 strcpy (complete_name, resourced_name);
470 }
07bf635f
RS		 471 else
472 {
473 int complete_length =
474 strlen (resourced_name) + strlen (val->value) + 2;
475 complete_name = XtMalloc (complete_length);
476 *complete_name = 0;
477 strcat (complete_name, resourced_name);
478 strcat (complete_name, " ");
479 strcat (complete_name, val->value);
480 }
481
482 val->toolkit_data = complete_name;
483 val->free_toolkit_data = True;
484 }
485 return (char*)val->toolkit_data;
486}
487
488/* Returns the sizes of an item */
489static void
be06a3df
GM		 490size_menu_item (mw, val, horizontal_p, label_width, rest_width, button_width,
491 height)
d398028f
PR		 492 XlwMenuWidget mw;
493 widget_value* val;
494 int horizontal_p;
495 int* label_width;
496 int* rest_width;
be06a3df 497 int* button_width;
d398028f 498 int* height;
07bf635f 499{
be06a3df 500 enum menu_separator separator;
5c520e0a 501
be06a3df 502 if (lw_separator_p (val->name, &separator, 0))
07bf635f 503 {
be06a3df 504 *height = separator_height (separator);
07bf635f
RS		 505 *label_width = 1;
506 *rest_width = 0;
be06a3df 507 *button_width = 0;
07bf635f
RS		 508 }
509 else
510 {
423a3f59
SM		 511 *height = MENU_FONT_HEIGHT (mw)
512 + 2 * mw->menu.vertical_spacing + 2 * mw->menu.shadow_thickness;
5c520e0a 513
07bf635f
RS		 514 *label_width =
515 string_width (mw, resource_widget_value (mw, val))
516 + mw->menu.horizontal_spacing + mw->menu.shadow_thickness;
5c520e0a 517
07bf635f
RS		 518 *rest_width = mw->menu.horizontal_spacing + mw->menu.shadow_thickness;
519 if (!horizontal_p)
520 {
521 if (val->contents)
be06a3df 522 /* Add width of the arrow displayed for submenus. */
07bf635f
RS		 523 *rest_width += arrow_width (mw) + mw->menu.arrow_spacing;
524 else if (val->key)
be06a3df
GM		 525 /* Add width of key equivalent string. */
526 *rest_width += (string_width (mw, val->key)
527 + mw->menu.arrow_spacing);
528
529 if (val->button_type == BUTTON_TYPE_TOGGLE)
530 *button_width = (toggle_button_width (mw)
531 + mw->menu.horizontal_spacing);
532 else if (val->button_type == BUTTON_TYPE_RADIO)
533 *button_width = (radio_button_width (mw)
534 + mw->menu.horizontal_spacing);
07bf635f
RS		 535 }
536 }
537}
538
539static void
d398028f
PR		 540size_menu (mw, level)
541 XlwMenuWidget mw;
542 int level;
07bf635f 543{
ccf589a6 544 unsigned int label_width = 0;
07bf635f 545 int rest_width = 0;
be06a3df 546 int button_width = 0;
07bf635f 547 int max_rest_width = 0;
be06a3df 548 int max_button_width = 0;
ccf589a6 549 unsigned int height = 0;
07bf635f
RS		 550 int horizontal_p = mw->menu.horizontal && (level == 0);
551 widget_value* val;
552 window_state* ws;
553
554 if (level >= mw->menu.old_depth)
be06a3df 555 abort_gracefully ((Widget) mw);
07bf635f 556
5c520e0a 557 ws = &mw->menu.windows [level];
07bf635f
RS		 558 ws->width = 0;
559 ws->height = 0;
560 ws->label_width = 0;
be06a3df 561 ws->button_width = 0;
07bf635f
RS		 562
563 for (val = mw->menu.old_stack [level]->contents; val; val = val->next)
564 {
565 size_menu_item (mw, val, horizontal_p, &label_width, &rest_width,
be06a3df 566 &button_width, &height);
07bf635f
RS		 567 if (horizontal_p)
568 {
569 ws->width += label_width + rest_width;
570 if (height > ws->height)
571 ws->height = height;
572 }
573 else
574 {
575 if (label_width > ws->label_width)
576 ws->label_width = label_width;
577 if (rest_width > max_rest_width)
578 max_rest_width = rest_width;
be06a3df
GM		 579 if (button_width > max_button_width)
580 max_button_width = button_width;
07bf635f
RS		 581 ws->height += height;
582 }
583 }
5c520e0a 584
07bf635f 585 if (horizontal_p)
be06a3df 586 ws->label_width = ws->button_width = 0;
07bf635f 587 else
be06a3df
GM		 588 {
589 ws->width = ws->label_width + max_rest_width + max_button_width;
590 ws->button_width = max_button_width;
591 }
07bf635f
RS		 592
593 ws->width += 2 * mw->menu.shadow_thickness;
594 ws->height += 2 * mw->menu.shadow_thickness;
99852628 595 ws->max_rest_width = max_rest_width;
be06a3df
GM		 596
597 if (horizontal_p)
598 {
599 ws->width += 2 * mw->menu.margin;
600 ws->height += 2 * mw->menu.margin;
601 }
07bf635f
RS		 602}
603
604
605\f/* Display code */
be06a3df 606
07bf635f 607static void
be06a3df 608draw_arrow (mw, window, gc, x, y, width, down_p)
d398028f
PR		 609 XlwMenuWidget mw;
610 Window window;
611 GC gc;
612 int x;
613 int y;
614 int width;
be06a3df 615 int down_p;
07bf635f 616{
be06a3df
GM		 617 Display *dpy = XtDisplay (mw);
618 GC top_gc = mw->menu.shadow_top_gc;
619 GC bottom_gc = mw->menu.shadow_bottom_gc;
620 int thickness = mw->menu.shadow_thickness;
621 int height = width;
622 XPoint pt[10];
623 /* alpha = atan (0.5)
624 factor = (1 + sin (alpha)) / cos (alpha) */
625 double factor = 1.62;
626 int thickness2 = thickness * factor;
5c520e0a 627
423a3f59 628 y += (MENU_FONT_HEIGHT (mw) - height) / 2;
5c520e0a 629
be06a3df
GM		 630 if (down_p)
631 {
632 GC temp;
633 temp = top_gc;
634 top_gc = bottom_gc;
635 bottom_gc = temp;
636 }
637
638 pt[0].x = x;
639 pt[0].y = y + height;
640 pt[1].x = x + thickness;
641 pt[1].y = y + height - thickness2;
642 pt[2].x = x + thickness2;
643 pt[2].y = y + thickness2;
644 pt[3].x = x;
645 pt[3].y = y;
646 XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin);
5c520e0a 647
be06a3df
GM		 648 pt[0].x = x;
649 pt[0].y = y;
650 pt[1].x = x + thickness;
651 pt[1].y = y + thickness2;
652 pt[2].x = x + width - thickness2;
653 pt[2].y = y + height / 2;
654 pt[3].x = x + width;
655 pt[3].y = y + height / 2;
656 XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin);
5c520e0a 657
be06a3df
GM		 658 pt[0].x = x;
659 pt[0].y = y + height;
660 pt[1].x = x + thickness;
661 pt[1].y = y + height - thickness2;
662 pt[2].x = x + width - thickness2;
663 pt[2].y = y + height / 2;
664 pt[3].x = x + width;
665 pt[3].y = y + height / 2;
666 XFillPolygon (dpy, window, bottom_gc, pt, 4, Convex, CoordModeOrigin);
07bf635f
RS		 667}
668
be06a3df
GM		 669
670
07bf635f 671static void
be06a3df 672draw_shadow_rectangle (mw, window, x, y, width, height, erase_p, down_p)
d398028f
PR		 673 XlwMenuWidget mw;
674 Window window;
675 int x;
676 int y;
677 int width;
678 int height;
679 int erase_p;
be06a3df 680 int down_p;
07bf635f
RS		 681{
682 Display *dpy = XtDisplay (mw);
683 GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc;
684 GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc;
685 int thickness = mw->menu.shadow_thickness;
686 XPoint points [4];
be06a3df
GM		 687
688 if (!erase_p && down_p)
689 {
690 GC temp;
691 temp = top_gc;
692 top_gc = bottom_gc;
693 bottom_gc = temp;
694 }
5c520e0a 695
07bf635f
RS		 696 points [0].x = x;
697 points [0].y = y;
698 points [1].x = x + width;
699 points [1].y = y;
700 points [2].x = x + width - thickness;
701 points [2].y = y + thickness;
702 points [3].x = x;
703 points [3].y = y + thickness;
704 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
705 points [0].x = x;
706 points [0].y = y + thickness;
707 points [1].x = x;
708 points [1].y = y + height;
709 points [2].x = x + thickness;
710 points [2].y = y + height - thickness;
711 points [3].x = x + thickness;
712 points [3].y = y + thickness;
713 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
714 points [0].x = x + width;
715 points [0].y = y;
716 points [1].x = x + width - thickness;
717 points [1].y = y + thickness;
718 points [2].x = x + width - thickness;
719 points [2].y = y + height - thickness;
720 points [3].x = x + width;
721 points [3].y = y + height - thickness;
722 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
723 points [0].x = x;
724 points [0].y = y + height;
725 points [1].x = x + width;
726 points [1].y = y + height;
727 points [2].x = x + width;
728 points [2].y = y + height - thickness;
729 points [3].x = x + thickness;
730 points [3].y = y + height - thickness;
731 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
732}
733
734
be06a3df
GM		 735static void
736draw_shadow_rhombus (mw, window, x, y, width, height, erase_p, down_p)
737 XlwMenuWidget mw;
738 Window window;
739 int x;
740 int y;
741 int width;
742 int height;
743 int erase_p;
744 int down_p;
745{
746 Display *dpy = XtDisplay (mw);
747 GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc;
748 GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc;
749 int thickness = mw->menu.shadow_thickness;
750 XPoint points [4];
be06a3df
GM		 751
752 if (!erase_p && down_p)
753 {
754 GC temp;
755 temp = top_gc;
756 top_gc = bottom_gc;
757 bottom_gc = temp;
758 }
759
760 points [0].x = x;
761 points [0].y = y + height / 2;
762 points [1].x = x + thickness;
763 points [1].y = y + height / 2;
764 points [2].x = x + width / 2;
765 points [2].y = y + thickness;
766 points [3].x = x + width / 2;
767 points [3].y = y;
768 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
769 points [0].x = x + width / 2;
770 points [0].y = y;
771 points [1].x = x + width / 2;
772 points [1].y = y + thickness;
773 points [2].x = x + width - thickness;
774 points [2].y = y + height / 2;
775 points [3].x = x + width;
776 points [3].y = y + height / 2;
777 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
778 points [0].x = x;
779 points [0].y = y + height / 2;
780 points [1].x = x + thickness;
781 points [1].y = y + height / 2;
782 points [2].x = x + width / 2;
783 points [2].y = y + height - thickness;
784 points [3].x = x + width / 2;
785 points [3].y = y + height;
786 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
787 points [0].x = x + width / 2;
788 points [0].y = y + height;
789 points [1].x = x + width / 2;
790 points [1].y = y + height - thickness;
791 points [2].x = x + width - thickness;
792 points [2].y = y + height / 2;
793 points [3].x = x + width;
794 points [3].y = y + height / 2;
795 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
796}
797
798
799/* Draw a toggle button on widget MW, X window WINDOW. X/Y is the
800 top-left corner of the menu item. SELECTED_P non-zero means the
801 toggle button is selected. */
802
803static void
804draw_toggle (mw, window, x, y, selected_p)
805 XlwMenuWidget mw;
806 Window window;
807 int x, y, selected_p;
808{
809 int width, height;
810
811 width = toggle_button_width (mw);
812 height = width;
813 x += mw->menu.horizontal_spacing;
423a3f59 814 y += (MENU_FONT_ASCENT (mw) - height) / 2;
be06a3df
GM		 815 draw_shadow_rectangle (mw, window, x, y, width, height, False, selected_p);
816}
817
818
819/* Draw a radio button on widget MW, X window WINDOW. X/Y is the
820 top-left corner of the menu item. SELECTED_P non-zero means the
821 toggle button is selected. */
822
823static void
824draw_radio (mw, window, x, y, selected_p)
825 XlwMenuWidget mw;
826 Window window;
827 int x, y, selected_p;
828{
829 int width, height;
830
831 width = radio_button_width (mw);
832 height = width;
833 x += mw->menu.horizontal_spacing;
423a3f59 834 y += (MENU_FONT_ASCENT (mw) - height) / 2;
be06a3df
GM		 835 draw_shadow_rhombus (mw, window, x, y, width, height, False, selected_p);
836}
837
838
839/* Draw a menu separator on widget MW, X window WINDOW. X/Y is the
840 top-left corner of the menu item. WIDTH is the width of the
841 separator to draw. TYPE is the separator type. */
842
843static void
844draw_separator (mw, window, x, y, width, type)
845 XlwMenuWidget mw;
846 Window window;
847 int x, y, width;
848 enum menu_separator type;
849{
850 Display *dpy = XtDisplay (mw);
851 XGCValues xgcv;
852
853 switch (type)
854 {
855 case SEPARATOR_NO_LINE:
856 break;
5c520e0a 857
be06a3df
GM		 858 case SEPARATOR_SINGLE_LINE:
859 XDrawLine (dpy, window, mw->menu.foreground_gc,
860 x, y, x + width, y);
861 break;
5c520e0a 862
be06a3df
GM		 863 case SEPARATOR_DOUBLE_LINE:
864 draw_separator (mw, window, x, y, width, SEPARATOR_SINGLE_LINE);
865 draw_separator (mw, window, x, y + 2, width, SEPARATOR_SINGLE_LINE);
866 break;
5c520e0a 867
be06a3df
GM		 868 case SEPARATOR_SINGLE_DASHED_LINE:
869 xgcv.line_style = LineOnOffDash;
870 XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv);
871 XDrawLine (dpy, window, mw->menu.foreground_gc,
872 x, y, x + width, y);
873 xgcv.line_style = LineSolid;
874 XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv);
875 break;
5c520e0a 876
be06a3df
GM		 877 case SEPARATOR_DOUBLE_DASHED_LINE:
878 draw_separator (mw, window, x, y, width,
879 SEPARATOR_SINGLE_DASHED_LINE);
880 draw_separator (mw, window, x, y + 2, width,
881 SEPARATOR_SINGLE_DASHED_LINE);
882 break;
5c520e0a 883
be06a3df
GM		 884 case SEPARATOR_SHADOW_ETCHED_IN:
885 XDrawLine (dpy, window, mw->menu.shadow_bottom_gc,
886 x, y, x + width, y);
887 XDrawLine (dpy, window, mw->menu.shadow_top_gc,
888 x, y + 1, x + width, y + 1);
889 break;
890
891 case SEPARATOR_SHADOW_ETCHED_OUT:
892 XDrawLine (dpy, window, mw->menu.shadow_top_gc,
893 x, y, x + width, y);
894 XDrawLine (dpy, window, mw->menu.shadow_bottom_gc,
895 x, y + 1, x + width, y + 1);
896 break;
5c520e0a 897
be06a3df
GM		 898 case SEPARATOR_SHADOW_ETCHED_IN_DASH:
899 xgcv.line_style = LineOnOffDash;
900 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
901 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
2f90328f 902 draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN);
be06a3df
GM		 903 xgcv.line_style = LineSolid;
904 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
905 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
906 break;
5c520e0a 907
be06a3df
GM		 908 case SEPARATOR_SHADOW_ETCHED_OUT_DASH:
909 xgcv.line_style = LineOnOffDash;
910 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
911 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
2f90328f 912 draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_OUT);
be06a3df
GM		 913 xgcv.line_style = LineSolid;
914 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
915 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
916 break;
917
918 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN:
919 draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN);
920 draw_separator (mw, window, x, y + 3, width, SEPARATOR_SHADOW_ETCHED_IN);
921 break;
5c520e0a 922
be06a3df
GM		 923 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT:
924 draw_separator (mw, window, x, y, width,
925 SEPARATOR_SHADOW_ETCHED_OUT);
926 draw_separator (mw, window, x, y + 3, width,
927 SEPARATOR_SHADOW_ETCHED_OUT);
928 break;
5c520e0a 929
be06a3df
GM		 930 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH:
931 xgcv.line_style = LineOnOffDash;
932 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
933 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
934 draw_separator (mw, window, x, y, width,
935 SEPARATOR_SHADOW_DOUBLE_ETCHED_IN);
936 xgcv.line_style = LineSolid;
937 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
938 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
939 break;
940
941 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH:
942 xgcv.line_style = LineOnOffDash;
943 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
944 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
945 draw_separator (mw, window, x, y, width,
946 SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT);
947 xgcv.line_style = LineSolid;
948 XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv);
949 XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv);
950 break;
951
952 default:
953 abort ();
954 }
955}
956
957
958/* Return the pixel height of menu separator SEPARATOR. */
959
960static int
961separator_height (separator)
962 enum menu_separator separator;
963{
964 switch (separator)
965 {
966 case SEPARATOR_NO_LINE:
967 return 2;
5c520e0a 968
be06a3df
GM		 969 case SEPARATOR_SINGLE_LINE:
970 case SEPARATOR_SINGLE_DASHED_LINE:
971 return 1;
5c520e0a 972
be06a3df
GM		 973 case SEPARATOR_DOUBLE_LINE:
974 case SEPARATOR_DOUBLE_DASHED_LINE:
975 return 3;
5c520e0a 976
be06a3df
GM		 977 case SEPARATOR_SHADOW_ETCHED_IN:
978 case SEPARATOR_SHADOW_ETCHED_OUT:
979 case SEPARATOR_SHADOW_ETCHED_IN_DASH:
980 case SEPARATOR_SHADOW_ETCHED_OUT_DASH:
981 return 2;
5c520e0a 982
be06a3df
GM		 983 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN:
984 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT:
985 case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH:
986 case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH:
987 return 5;
5c520e0a 988
be06a3df
GM		 989 default:
990 abort ();
991 }
992}
993
994
07bf635f 995/* Display the menu item and increment where.x and where.y to show how large
be06a3df
GM		 996 the menu item was. */
997
07bf635f 998static void
be06a3df
GM		 999display_menu_item (mw, val, ws, where, highlighted_p, horizontal_p,
1000 just_compute_p)
d398028f
PR		 1001 XlwMenuWidget mw;
1002 widget_value* val;
1003 window_state* ws;
1004 XPoint* where;
1005 Boolean highlighted_p;
1006 Boolean horizontal_p;
1007 Boolean just_compute_p;
07bf635f
RS		 1008{
1009 GC deco_gc;
1010 GC text_gc;
423a3f59
SM		 1011 int font_height = MENU_FONT_HEIGHT (mw);
1012 int font_ascent = MENU_FONT_ASCENT (mw);
07bf635f 1013 int shadow = mw->menu.shadow_thickness;
be06a3df 1014 int margin = mw->menu.margin;
07bf635f
RS		 1015 int h_spacing = mw->menu.horizontal_spacing;
1016 int v_spacing = mw->menu.vertical_spacing;
1017 int label_width;
1018 int rest_width;
be06a3df 1019 int button_width;
07bf635f
RS		 1020 int height;
1021 int width;
be06a3df
GM		 1022 enum menu_separator separator;
1023 int separator_p = lw_separator_p (val->name, &separator, 0);
99852628
JD		 1024#ifdef HAVE_XFT
1025 XftColor *xftfg;
1026#endif
07bf635f
RS		 1027
1028 /* compute the sizes of the item */
be06a3df
GM		 1029 size_menu_item (mw, val, horizontal_p, &label_width, &rest_width,
1030 &button_width, &height);
07bf635f
RS		 1031
1032 if (horizontal_p)
1033 width = label_width + rest_width;
1034 else
1035 {
1036 label_width = ws->label_width;
1037 width = ws->width - 2 * shadow;
1038 }
1039
07bf635f
RS		 1040 /* Only highlight an enabled item that has a callback. */
1041 if (highlighted_p)
1042 if (!val->enabled || !(val->call_data || val->contents))
1043 highlighted_p = 0;
1044
1045 /* do the drawing. */
1046 if (!just_compute_p)
1047 {
1048 /* Add the shadow border of the containing menu */
1049 int x = where->x + shadow;
1050 int y = where->y + shadow;
1051
be06a3df
GM		 1052 if (horizontal_p)
1053 {
1054 x += margin;
1055 y += margin;
1056 }
1057
07bf635f
RS		 1058 /* pick the foreground and background GC. */
1059 if (val->enabled)
be06a3df 1060 text_gc = mw->menu.foreground_gc;
07bf635f 1061 else
8b71a9ca 1062 text_gc = mw->menu.disabled_gc;
07bf635f 1063 deco_gc = mw->menu.foreground_gc;
99852628
JD		 1064#ifdef HAVE_XFT
1065 xftfg = val->enabled ? &mw->menu.xft_fg : &mw->menu.xft_disabled_fg;
1066#endif
07bf635f
RS		 1067
1068 if (separator_p)
1069 {
f0bd1598 1070 draw_separator (mw, ws->pixmap, x, y, width, separator);
07bf635f 1071 }
5c520e0a 1072 else
07bf635f 1073 {
84593cae 1074 int x_offset = x + h_spacing + shadow;
07bf635f 1075 char* display_string = resource_widget_value (mw, val);
f0bd1598 1076 draw_shadow_rectangle (mw, ws->pixmap, x, y, width, height, True,
be06a3df 1077 False);
84593cae
PR		 1078
1079 /* Deal with centering a menu title. */
1080 if (!horizontal_p && !val->contents && !val->call_data)
1081 {
1082 int l = string_width (mw, display_string);
1083
1084 if (width > l)
1085 x_offset = (width - l) >> 1;
1086 }
be06a3df
GM		 1087 else if (!horizontal_p && ws->button_width)
1088 x_offset += ws->button_width;
5c520e0a
SS		 1089
1090
99852628
JD		 1091#ifdef HAVE_XFT
1092 if (ws->xft_draw)
1093 {
1094 int draw_y = y + v_spacing + shadow;
99852628
JD		 1095 XftDrawStringUtf8 (ws->xft_draw, xftfg,
1096 mw->menu.xft_font,
1097 x_offset, draw_y + font_ascent,
1098 (unsigned char *) display_string,
1099 strlen (display_string));
1100 }
1101 else
1102#endif
423a3f59 1103#ifdef HAVE_X_I18N
2015c054 1104 if (mw->menu.fontSet)
f0bd1598 1105 XmbDrawString (XtDisplay (mw), ws->pixmap, mw->menu.fontSet,
2015c054
JD		 1106 text_gc, x_offset,
1107 y + v_spacing + shadow + font_ascent,
1108 display_string, strlen (display_string));
1109 else
423a3f59 1110#endif
f0bd1598 1111 XDrawString (XtDisplay (mw), ws->pixmap,
423a3f59 1112 text_gc, x_offset,
07bf635f
RS		 1113 y + v_spacing + shadow + font_ascent,
1114 display_string, strlen (display_string));
5c520e0a 1115
07bf635f
RS		 1116 if (!horizontal_p)
1117 {
be06a3df 1118 if (val->button_type == BUTTON_TYPE_TOGGLE)
f0bd1598 1119 draw_toggle (mw, ws->pixmap, x, y + v_spacing + shadow,
be06a3df
GM		 1120 val->selected);
1121 else if (val->button_type == BUTTON_TYPE_RADIO)
f0bd1598 1122 draw_radio (mw, ws->pixmap, x, y + v_spacing + shadow,
be06a3df 1123 val->selected);
5c520e0a 1124
07bf635f
RS		 1125 if (val->contents)
1126 {
1127 int a_w = arrow_width (mw);
f0bd1598 1128 draw_arrow (mw, ws->pixmap, deco_gc,
be06a3df 1129 x + width - a_w
5c520e0a 1130 - mw->menu.horizontal_spacing
d398028f 1131 - mw->menu.shadow_thickness,
be06a3df
GM		 1132 y + v_spacing + shadow, a_w,
1133 highlighted_p);
07bf635f
RS		 1134 }
1135 else if (val->key)
1136 {
99852628
JD		 1137#ifdef HAVE_XFT
1138 if (ws->xft_draw)
1139 {
1140 XGlyphInfo gi;
1141 int draw_x = ws->width - ws->max_rest_width
1142 + mw->menu.arrow_spacing;
1143 int draw_y = y + v_spacing + shadow + font_ascent;
1144 XftDrawStringUtf8 (ws->xft_draw, xftfg,
1145 mw->menu.xft_font,
1146 draw_x, draw_y,
1147 (unsigned char *) val->key,
1148 strlen (val->key));
1149 }
1150 else
1151#endif
423a3f59 1152#ifdef HAVE_X_I18N
2015c054 1153 if (mw->menu.fontSet)
f0bd1598 1154 XmbDrawString (XtDisplay (mw), ws->pixmap,
2015c054
JD		 1155 mw->menu.fontSet,
1156 text_gc,
1157 x + label_width + mw->menu.arrow_spacing,
1158 y + v_spacing + shadow + font_ascent,
1159 val->key, strlen (val->key));
1160 else
423a3f59 1161#endif
f0bd1598 1162 XDrawString (XtDisplay (mw), ws->pixmap,
423a3f59 1163 text_gc,
07bf635f
RS		 1164 x + label_width + mw->menu.arrow_spacing,
1165 y + v_spacing + shadow + font_ascent,
1166 val->key, strlen (val->key));
1167 }
1168 }
d398028f
PR		 1169 else
1170 {
f0bd1598 1171 XDrawRectangle (XtDisplay (mw), ws->pixmap,
d398028f
PR		 1172 mw->menu.background_gc,
1173 x + shadow, y + shadow,
1174 label_width + h_spacing - 1,
423a3f59 1175 font_height + 2 * v_spacing - 1);
f0bd1598 1176 draw_shadow_rectangle (mw, ws->pixmap, x, y, width, height,
be06a3df 1177 True, False);
d398028f 1178 }
07bf635f
RS		 1179
1180 if (highlighted_p)
f0bd1598 1181 draw_shadow_rectangle (mw, ws->pixmap, x, y, width, height, False,
be06a3df 1182 False);
07bf635f
RS		 1183 }
1184 }
5c520e0a 1185
07bf635f
RS		 1186 where->x += width;
1187 where->y += height;
1188}
1189
1190static void
f0bd1598 1191display_menu (mw, level, just_compute_p, highlighted_pos, hit, hit_return)
d398028f
PR		 1192 XlwMenuWidget mw;
1193 int level;
1194 Boolean just_compute_p;
1195 XPoint* highlighted_pos;
1196 XPoint* hit;
1197 widget_value** hit_return;
07bf635f
RS		 1198{
1199 widget_value* val;
1200 widget_value* following_item;
1201 window_state* ws;
1202 XPoint where;
1203 int horizontal_p = mw->menu.horizontal && (level == 0);
1204 int highlighted_p;
ccc1cac0 1205 int no_return = 0;
be06a3df 1206 enum menu_separator separator;
07bf635f
RS		 1207
1208 if (level >= mw->menu.old_depth)
be06a3df 1209 abort_gracefully ((Widget) mw);
07bf635f
RS		 1210
1211 if (level < mw->menu.old_depth - 1)
1212 following_item = mw->menu.old_stack [level + 1];
5c520e0a 1213 else
07bf635f
RS		 1214 following_item = NULL;
1215
1216 if (hit)
1217 *hit_return = NULL;
1218
1219 where.x = 0;
1220 where.y = 0;
1221
1222 ws = &mw->menu.windows [level];
f0bd1598
J		 1223
1224 if (!just_compute_p)
1225 XFillRectangle (XtDisplay (mw), ws->pixmap, mw->menu.background_gc,
1226 0, 0, ws->width, ws->height);
1227
07bf635f
RS		 1228 for (val = mw->menu.old_stack [level]->contents; val; val = val->next)
1229 {
1230 highlighted_p = val == following_item;
1231 if (highlighted_p && highlighted_pos)
1232 {
1233 if (horizontal_p)
1234 highlighted_pos->x = where.x;
1235 else
1236 highlighted_pos->y = where.y;
1237 }
5c520e0a 1238
07bf635f 1239 display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p,
f0bd1598 1240 just_compute_p);
07bf635f
RS		 1241
1242 if (highlighted_p && highlighted_pos)
1243 {
1244 if (horizontal_p)
1245 highlighted_pos->y = where.y;
1246 else
1247 highlighted_pos->x = where.x;
1248 }
1249
1250 if (hit
1251 && !*hit_return
1252 && (horizontal_p ? hit->x < where.x : hit->y < where.y)
be06a3df 1253 && !lw_separator_p (val->name, &separator, 0)
ccc1cac0
RS		 1254 && !no_return)
1255 {
1256 if (val->enabled)
1257 *hit_return = val;
1ecd5086
JD		 1258 else
1259 no_return = 1;
1260 if (mw->menu.inside_entry != val)
1261 {
1262 if (mw->menu.inside_entry)
1263 XtCallCallbackList ((Widget)mw, mw->menu.leave,
1264 (XtPointer) mw->menu.inside_entry);
1265 mw->menu.inside_entry = val;
1266 XtCallCallbackList ((Widget)mw, mw->menu.enter,
1267 (XtPointer) mw->menu.inside_entry);
1268 }
ccc1cac0 1269 }
07bf635f
RS		 1270
1271 if (horizontal_p)
1272 where.y = 0;
1273 else
1274 where.x = 0;
1275 }
5c520e0a 1276
07bf635f 1277 if (!just_compute_p)
f0bd1598
J		 1278 {
1279 draw_shadow_rectangle (mw, ws->pixmap, 0, 0, ws->width, ws->height,
1280 False, False);
1281 XCopyArea (XtDisplay (mw), ws->pixmap, ws->window,
1282 mw->menu.foreground_gc, 0, 0, ws->width, ws->height, 0, 0);
1283 }
07bf635f
RS		 1284}
1285
1286\f/* Motion code */
1287static void
d398028f
PR		 1288set_new_state (mw, val, level)
1289 XlwMenuWidget mw;
1290 widget_value* val;
1291 int level;
07bf635f
RS		 1292{
1293 int i;
5c520e0a 1294
07bf635f
RS		 1295 mw->menu.new_depth = 0;
1296 for (i = 0; i < level; i++)
1297 push_new_stack (mw, mw->menu.old_stack [i]);
1298 push_new_stack (mw, val);
1299}
1300
f0bd1598
J		 1301static void
1302expose_cb (Widget widget,
1303 XtPointer closure,
1304 XEvent* event,
1305 Boolean* continue_to_dispatch)
1306{
1307 *continue_to_dispatch = False;
1308 XlwMenuWidget mw = (XlwMenuWidget) closure;
1309 int i;
1310
1311 for (i = 0; i < mw->menu.windows_length; ++i)
1312 if (mw->menu.windows [i].w == widget) break;
1313 if (i < mw->menu.windows_length && i < mw->menu.old_depth)
1314 display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL);
1315}
1316
07bf635f 1317static void
d398028f
PR		 1318make_windows_if_needed (mw, n)
1319 XlwMenuWidget mw;
1320 int n;
07bf635f
RS		 1321{
1322 int i;
1323 int start_at;
07bf635f 1324 window_state* windows;
99852628
JD		 1325#ifdef HAVE_XFT
1326 int screen = XScreenNumberOfScreen (mw->core.screen);
1327#endif
5c520e0a 1328
07bf635f
RS		 1329 if (mw->menu.windows_length >= n)
1330 return;
1331
07bf635f
RS		 1332 if (!mw->menu.windows)
1333 {
1334 mw->menu.windows =
1335 (window_state*)XtMalloc (n * sizeof (window_state));
1336 start_at = 0;
1337 }
1338 else
1339 {
1340 mw->menu.windows =
1341 (window_state*)XtRealloc ((char*)mw->menu.windows,
1342 n * sizeof (window_state));
1343 start_at = mw->menu.windows_length;
1344 }
1345 mw->menu.windows_length = n;
1346
1347 windows = mw->menu.windows;
1348
1349 for (i = start_at; i < n; i++)
1350 {
f0bd1598
J		 1351 Arg av[10];
1352 int ac = 0;
07bf635f
RS		 1353 windows [i].x = 0;
1354 windows [i].y = 0;
1355 windows [i].width = 1;
1356 windows [i].height = 1;
99852628 1357 windows [i].max_rest_width = 0;
f0bd1598
J		 1358 XtSetArg (av[ac], XtNwidth, 1); ++ac;
1359 XtSetArg (av[ac], XtNheight, 1); ++ac;
1360 XtSetArg (av[ac], XtNsaveUnder, True); ++ac;
1361 XtSetArg (av[ac], XtNbackground, mw->core.background_pixel); ++ac;
1362 XtSetArg (av[ac], XtNborderColor, mw->core.border_pixel); ++ac;
1363 XtSetArg (av[ac], XtNborderWidth, mw->core.border_width); ++ac;
1364 XtSetArg (av[ac], XtNcursor, mw->menu.cursor_shape); ++ac;
1365 windows [i].w =
1366 XtCreatePopupShell ("sub", overrideShellWidgetClass,
1367 (Widget) mw, av, ac);
1368 XtRealizeWidget (windows [i].w);
1369 XtAddEventHandler (windows [i].w, ExposureMask, False, expose_cb, mw);
1370 windows [i].window = XtWindow (windows [i].w);
1371 windows [i].pixmap = None;
99852628 1372#ifdef HAVE_XFT
f0bd1598 1373 windows [i].xft_draw = 0;
99852628
JD		 1374#endif
1375 }
07bf635f
RS		 1376}
1377
2a692ba4
GM		 1378/* Value is non-zero if WINDOW is part of menu bar widget W. */
1379
1380int
1381xlwmenu_window_p (w, window)
1382 Widget w;
1383 Window window;
1384{
1385 XlwMenuWidget mw = (XlwMenuWidget) w;
1386 int i;
177c0ea7 1387
2a692ba4
GM		 1388 for (i = 0; i < mw->menu.windows_length; ++i)
1389 if (window == mw->menu.windows[i].window)
1390 break;
1391
1392 return i < mw->menu.windows_length;
1393}
1394
07bf635f
RS		 1395/* Make the window fit in the screen */
1396static void
d398028f
PR		 1397fit_to_screen (mw, ws, previous_ws, horizontal_p)
1398 XlwMenuWidget mw;
1399 window_state* ws;
1400 window_state* previous_ws;
1401 Boolean horizontal_p;
07bf635f 1402{
ccf589a6
RS		 1403 unsigned int screen_width = WidthOfScreen (XtScreen (mw));
1404 unsigned int screen_height = HeightOfScreen (XtScreen (mw));
1ba46f7d
RS		 1405 /* 1 if we are unable to avoid an overlap between
1406 this menu and the parent menu in the X dimension. */
1407 int horizontal_overlap = 0;
07bf635f
RS		 1408
1409 if (ws->x < 0)
1410 ws->x = 0;
1411 else if (ws->x + ws->width > screen_width)
1412 {
1413 if (!horizontal_p)
b7fa4a06
MB		 1414 /* The addition of shadow-thickness for a sub-menu's position is
1415 to reflect a similar adjustment when the menu is displayed to
1416 the right of the invoking menu-item; it makes the sub-menu
1417 look more `attached' to the menu-item. */
1418 ws->x = previous_ws->x - ws->width + mw->menu.shadow_thickness;
07bf635f
RS		 1419 else
1420 ws->x = screen_width - ws->width;
525b8232 1421 if (ws->x < 0)
1ba46f7d
RS		 1422 {
1423 ws->x = 0;
1424 horizontal_overlap = 1;
1425 }
1426 }
1427 /* If we overlap in X, try to avoid overlap in Y. */
1428 if (horizontal_overlap
1429 && ws->y < previous_ws->y + previous_ws->height
1430 && previous_ws->y < ws->y + ws->height)
1431 {
1432 /* Put this menu right below or right above PREVIOUS_WS
1433 if there's room. */
1434 if (previous_ws->y + previous_ws->height + ws->height < screen_height)
1435 ws->y = previous_ws->y + previous_ws->height;
1436 else if (previous_ws->y - ws->height > 0)
1437 ws->y = previous_ws->y - ws->height;
07bf635f 1438 }
1ba46f7d 1439
07bf635f
RS		 1440 if (ws->y < 0)
1441 ws->y = 0;
1442 else if (ws->y + ws->height > screen_height)
1443 {
1444 if (horizontal_p)
1445 ws->y = previous_ws->y - ws->height;
1446 else
1447 ws->y = screen_height - ws->height;
5c520e0a 1448 if (ws->y < 0)
525b8232 1449 ws->y = 0;
07bf635f
RS		 1450 }
1451}
1452
f0bd1598
J		 1453static void
1454create_pixmap_for_menu (window_state* ws, XlwMenuWidget mw)
1455{
1456 if (ws->pixmap != None)
1457 {
1458 XFreePixmap (XtDisplay (ws->w), ws->pixmap);
1459 ws->pixmap = None;
1460 }
1461 ws->pixmap = XCreatePixmap (XtDisplay (ws->w), ws->window,
1462 ws->width, ws->height,
1463 DefaultDepthOfScreen (XtScreen (ws->w)));
1464#ifdef HAVE_XFT
1465 if (ws->xft_draw)
1466 XftDrawDestroy (ws->xft_draw);
1467 if (mw->menu.xft_font)
1468 {
1469 int screen = XScreenNumberOfScreen (mw->core.screen);
1470 ws->xft_draw = XftDrawCreate (XtDisplay (ws->w),
1471 ws->pixmap,
1472 DefaultVisual (XtDisplay (ws->w), screen),
1473 mw->core.colormap);
1474 }
1475 else
1476 ws->xft_draw = 0;
1477#endif
1478}
1479
07bf635f
RS		 1480/* Updates old_stack from new_stack and redisplays. */
1481static void
d398028f
PR		 1482remap_menubar (mw)
1483 XlwMenuWidget mw;
07bf635f
RS		 1484{
1485 int i;
1486 int last_same;
1487 XPoint selection_position;
1488 int old_depth = mw->menu.old_depth;
1489 int new_depth = mw->menu.new_depth;
1490 widget_value** old_stack;
1491 widget_value** new_stack;
1492 window_state* windows;
1493 widget_value* old_selection;
1494 widget_value* new_selection;
1495
1496 /* Check that enough windows and old_stack are ready. */
1497 make_windows_if_needed (mw, new_depth);
1498 make_old_stack_space (mw, new_depth);
1499 windows = mw->menu.windows;
1500 old_stack = mw->menu.old_stack;
1501 new_stack = mw->menu.new_stack;
1502
1503 /* compute the last identical different entry */
1504 for (i = 1; i < old_depth && i < new_depth; i++)
1505 if (old_stack [i] != new_stack [i])
1506 break;
1507 last_same = i - 1;
1508
1509 /* Memorize the previously selected item to be able to refresh it */
1510 old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL;
1511 if (old_selection && !old_selection->enabled)
1512 old_selection = NULL;
1513 new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL;
1514 if (new_selection && !new_selection->enabled)
1515 new_selection = NULL;
1516
d6fd6371
GM		 1517 /* Call callback when the hightlighted item changes. */
1518 if (old_selection || new_selection)
1519 XtCallCallbackList ((Widget)mw, mw->menu.highlight,
1520 (XtPointer) new_selection);
1521
07bf635f
RS		 1522 /* updates old_state from new_state. It has to be done now because
1523 display_menu (called below) uses the old_stack to know what to display. */
1524 for (i = last_same + 1; i < new_depth; i++)
f0bd1598
J		 1525 {
1526 XtPopdown (mw->menu.windows [i].w);
1527 old_stack [i] = new_stack [i];
1528 }
07bf635f
RS		 1529 mw->menu.old_depth = new_depth;
1530
908ff139 1531 /* refresh the last selection */
07bf635f
RS		 1532 selection_position.x = 0;
1533 selection_position.y = 0;
1534 display_menu (mw, last_same, new_selection == old_selection,
f0bd1598 1535 &selection_position, NULL, NULL);
07bf635f 1536
1ba46f7d
RS		 1537 /* Now place the new menus. */
1538 for (i = last_same + 1; i < new_depth && new_stack[i]->contents; i++)
07bf635f 1539 {
1ba46f7d
RS		 1540 window_state *previous_ws = &windows[i - 1];
1541 window_state *ws = &windows[i];
07bf635f 1542
be06a3df
GM		 1543 ws->x = (previous_ws->x + selection_position.x
1544 + mw->menu.shadow_thickness);
b7fa4a06 1545 if (mw->menu.horizontal && i == 1)
be06a3df
GM		 1546 ws->x += mw->menu.margin;
1547
1548#if 0
07bf635f
RS		 1549 if (!mw->menu.horizontal || i > 1)
1550 ws->x += mw->menu.shadow_thickness;
be06a3df 1551#endif
5c520e0a 1552
be06a3df
GM		 1553 ws->y = (previous_ws->y + selection_position.y
1554 + mw->menu.shadow_thickness);
b7fa4a06 1555 if (mw->menu.horizontal && i == 1)
be06a3df 1556 ws->y += mw->menu.margin;
07bf635f
RS		 1557
1558 size_menu (mw, i);
1559
1560 fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1);
1561
f0bd1598
J		 1562 XtVaSetValues (ws->w, XtNwidth, ws->width, XtNheight, ws->height,
1563 XtNx, ws->x, XtNy, ws->y, NULL);
1564 create_pixmap_for_menu (ws, mw);
1565 XtPopup (ws->w, XtGrabNone);
1566 display_menu (mw, i, False, &selection_position, NULL, NULL);
07bf635f
RS		 1567 }
1568
1569 /* unmap the menus that popped down */
1570 for (i = new_depth - 1; i < old_depth; i++)
fa74535d 1571 if (i >= new_depth || (i > 0 && !new_stack[i]->contents))
f0bd1598 1572 XtPopdown (windows[i].w);
07bf635f
RS		 1573}
1574
1575static Boolean
d398028f
PR		 1576motion_event_is_in_menu (mw, ev, level, relative_pos)
1577 XlwMenuWidget mw;
1578 XMotionEvent* ev;
1579 int level;
1580 XPoint* relative_pos;
07bf635f
RS		 1581{
1582 window_state* ws = &mw->menu.windows [level];
4f08464c
RS		 1583 int shadow = level == 0 ? 0 : mw->menu.shadow_thickness;
1584 int x = ws->x + shadow;
1585 int y = ws->y + shadow;
07bf635f
RS		 1586 relative_pos->x = ev->x_root - x;
1587 relative_pos->y = ev->y_root - y;
4f08464c 1588 return (x - shadow < ev->x_root && ev->x_root < x + ws->width
1ecd5086 1589 && y - shadow < ev->y_root && ev->y_root < y + ws->height);
07bf635f
RS		 1590}
1591
1592static Boolean
d398028f
PR		 1593map_event_to_widget_value (mw, ev, val, level)
1594 XlwMenuWidget mw;
1595 XMotionEvent* ev;
1596 widget_value** val;
1597 int* level;
07bf635f
RS		 1598{
1599 int i;
1600 XPoint relative_pos;
1601 window_state* ws;
1ecd5086 1602 int inside = 0;
07bf635f
RS		 1603
1604 *val = NULL;
5c520e0a 1605
07bf635f
RS		 1606 /* Find the window */
1607 for (i = mw->menu.old_depth - 1; i >= 0; i--)
1608 {
1609 ws = &mw->menu.windows [i];
1610 if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos))
1611 {
1ecd5086 1612 inside = 1;
f0bd1598 1613 display_menu (mw, i, True, NULL, &relative_pos, val);
07bf635f
RS		 1614
1615 if (*val)
1616 {
1617 *level = i + 1;
1618 return True;
1619 }
1620 }
1621 }
1ecd5086
JD		 1622
1623 if (!inside)
1624 {
1625 if (mw->menu.inside_entry != NULL)
1626 XtCallCallbackList ((Widget)mw, mw->menu.leave,
1627 (XtPointer) mw->menu.inside_entry);
1628 mw->menu.inside_entry = NULL;
1629 }
1630
07bf635f
RS		 1631 return False;
1632}
1633
1634\f/* Procedures */
1635static void
d398028f
PR		 1636make_drawing_gcs (mw)
1637 XlwMenuWidget mw;
07bf635f
RS		 1638{
1639 XGCValues xgcv;
ef93458b 1640 float scale;
2015c054 1641 XtGCMask mask = GCForeground | GCBackground;
07bf635f 1642
2015c054
JD		 1643#ifdef HAVE_X_I18N
1644 if (!mw->menu.fontSet)
1645 {
1646 xgcv.font = mw->menu.font->fid;
1647 mask |= GCFont;
1648 }
1649#else
07bf635f 1650 xgcv.font = mw->menu.font->fid;
2015c054 1651 mask |= GCFont;
423a3f59 1652#endif
07bf635f
RS		 1653 xgcv.foreground = mw->menu.foreground;
1654 xgcv.background = mw->core.background_pixel;
2015c054 1655 mw->menu.foreground_gc = XtGetGC ((Widget)mw, mask, &xgcv);
5c520e0a 1656
07bf635f 1657 xgcv.foreground = mw->menu.button_foreground;
2015c054 1658 mw->menu.button_gc = XtGetGC ((Widget)mw, mask, &xgcv);
5c520e0a 1659
07bf635f 1660 xgcv.background = mw->core.background_pixel;
8b71a9ca
PJ		 1661
1662#define BRIGHTNESS(color) (((color) & 0xff) + (((color) >> 8) & 0xff) + (((color) >> 16) & 0xff))
1663
1664 /* Allocate color for disabled menu-items. */
ef93458b 1665 mw->menu.disabled_foreground = mw->menu.foreground;
8b71a9ca 1666 if (BRIGHTNESS(mw->menu.foreground) < BRIGHTNESS(mw->core.background_pixel))
ef93458b 1667 scale = 2.3;
8b71a9ca 1668 else
ef93458b 1669 scale = 0.55;
8b71a9ca
PJ		 1670
1671 x_alloc_lighter_color_for_widget ((Widget) mw, XtDisplay ((Widget) mw),
1672 mw->core.colormap,
ef93458b
PJ		 1673 &mw->menu.disabled_foreground,
1674 scale,
8b71a9ca 1675 0x8000);
8b71a9ca
PJ		 1676
1677 if (mw->menu.foreground == mw->menu.disabled_foreground
1678 || mw->core.background_pixel == mw->menu.disabled_foreground)
1679 {
1680 /* Too few colors, use stipple. */
1681 xgcv.foreground = mw->menu.foreground;
1682 xgcv.fill_style = FillStippled;
1683 xgcv.stipple = mw->menu.gray_pixmap;
2015c054 1684 mw->menu.disabled_gc = XtGetGC ((Widget)mw, mask
423a3f59 1685 | GCFillStyle | GCStipple, &xgcv);
8b71a9ca
PJ		 1686 }
1687 else
1688 {
1689 /* Many colors available, use disabled pixel. */
1690 xgcv.foreground = mw->menu.disabled_foreground;
2015c054 1691 mw->menu.disabled_gc = XtGetGC ((Widget)mw, mask, &xgcv);
8b71a9ca 1692 }
5c520e0a 1693
07bf635f
RS		 1694 xgcv.foreground = mw->menu.button_foreground;
1695 xgcv.background = mw->core.background_pixel;
1696 xgcv.fill_style = FillStippled;
1697 xgcv.stipple = mw->menu.gray_pixmap;
2015c054 1698 mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, mask
423a3f59 1699 | GCFillStyle | GCStipple, &xgcv);
5c520e0a 1700
07bf635f
RS		 1701 xgcv.foreground = mw->core.background_pixel;
1702 xgcv.background = mw->menu.foreground;
2015c054 1703 mw->menu.background_gc = XtGetGC ((Widget)mw, mask, &xgcv);
07bf635f
RS		 1704}
1705
1706static void
d398028f
PR		 1707release_drawing_gcs (mw)
1708 XlwMenuWidget mw;
07bf635f
RS		 1709{
1710 XtReleaseGC ((Widget) mw, mw->menu.foreground_gc);
1711 XtReleaseGC ((Widget) mw, mw->menu.button_gc);
8b71a9ca 1712 XtReleaseGC ((Widget) mw, mw->menu.disabled_gc);
07bf635f
RS		 1713 XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc);
1714 XtReleaseGC ((Widget) mw, mw->menu.background_gc);
1715 /* let's get some segvs if we try to use these... */
1716 mw->menu.foreground_gc = (GC) -1;
1717 mw->menu.button_gc = (GC) -1;
8b71a9ca 1718 mw->menu.disabled_gc = (GC) -1;
07bf635f
RS		 1719 mw->menu.inactive_button_gc = (GC) -1;
1720 mw->menu.background_gc = (GC) -1;
1721}
1722
1723#define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \
1724 ? ((unsigned long) (x)) : ((unsigned long) (y)))
1725
1726static void
d398028f
PR		 1727make_shadow_gcs (mw)
1728 XlwMenuWidget mw;
07bf635f
RS		 1729{
1730 XGCValues xgcv;
1731 unsigned long pm = 0;
1732 Display *dpy = XtDisplay ((Widget) mw);
be06a3df 1733 Screen *screen = XtScreen ((Widget) mw);
b0404f9f 1734 Colormap cmap = mw->core.colormap;
07bf635f
RS		 1735 XColor topc, botc;
1736 int top_frobbed = 0, bottom_frobbed = 0;
1737
bba2a923
GM		 1738 mw->menu.free_top_shadow_color_p = 0;
1739 mw->menu.free_bottom_shadow_color_p = 0;
1740
07bf635f
RS		 1741 if (mw->menu.top_shadow_color == -1)
1742 mw->menu.top_shadow_color = mw->core.background_pixel;
bba2a923
GM		 1743 else
1744 mw->menu.top_shadow_color = mw->menu.top_shadow_color;
5c520e0a 1745
07bf635f
RS		 1746 if (mw->menu.bottom_shadow_color == -1)
1747 mw->menu.bottom_shadow_color = mw->menu.foreground;
bba2a923
GM		 1748 else
1749 mw->menu.bottom_shadow_color = mw->menu.bottom_shadow_color;
07bf635f
RS		 1750
1751 if (mw->menu.top_shadow_color == mw->core.background_pixel ||
1752 mw->menu.top_shadow_color == mw->menu.foreground)
1753 {
1754 topc.pixel = mw->core.background_pixel;
65c0ae05
MB		 1755#ifdef emacs
1756 if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap,
1757 &topc.pixel,
1758 1.2, 0x8000))
1759#else
07bf635f
RS		 1760 XQueryColor (dpy, cmap, &topc);
1761 /* don't overflow/wrap! */
1762 topc.red = MINL (65535, topc.red * 1.2);
1763 topc.green = MINL (65535, topc.green * 1.2);
1764 topc.blue = MINL (65535, topc.blue * 1.2);
1765 if (XAllocColor (dpy, cmap, &topc))
be06a3df 1766#endif
07bf635f
RS		 1767 {
1768 mw->menu.top_shadow_color = topc.pixel;
bba2a923 1769 mw->menu.free_top_shadow_color_p = 1;
07bf635f
RS		 1770 top_frobbed = 1;
1771 }
1772 }
1773 if (mw->menu.bottom_shadow_color == mw->menu.foreground ||
1774 mw->menu.bottom_shadow_color == mw->core.background_pixel)
1775 {
1776 botc.pixel = mw->core.background_pixel;
65c0ae05
MB		 1777#ifdef emacs
1778 if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap,
1779 &botc.pixel,
1780 0.6, 0x4000))
1781#else
07bf635f
RS		 1782 XQueryColor (dpy, cmap, &botc);
1783 botc.red *= 0.6;
1784 botc.green *= 0.6;
1785 botc.blue *= 0.6;
1786 if (XAllocColor (dpy, cmap, &botc))
be06a3df 1787#endif
07bf635f
RS		 1788 {
1789 mw->menu.bottom_shadow_color = botc.pixel;
bba2a923 1790 mw->menu.free_bottom_shadow_color_p = 1;
07bf635f
RS		 1791 bottom_frobbed = 1;
1792 }
1793 }
1794
1795 if (top_frobbed && bottom_frobbed)
1796 {
65c0ae05 1797 if (topc.pixel == botc.pixel)
07bf635f
RS		 1798 {
1799 if (botc.pixel == mw->menu.foreground)
fc8fefed 1800 {
bba2a923
GM		 1801 if (mw->menu.free_top_shadow_color_p)
1802 {
1803 x_free_dpy_colors (dpy, screen, cmap,
1804 &mw->menu.top_shadow_color, 1);
1805 mw->menu.free_top_shadow_color_p = 0;
1806 }
1807 mw->menu.top_shadow_color = mw->core.background_pixel;
fc8fefed 1808 }
07bf635f 1809 else
fc8fefed 1810 {
bba2a923
GM		 1811 if (mw->menu.free_bottom_shadow_color_p)
1812 {
1813 x_free_dpy_colors (dpy, screen, cmap,
1814 &mw->menu.bottom_shadow_color, 1);
1815 mw->menu.free_bottom_shadow_color_p = 0;
1816 }
1817 mw->menu.bottom_shadow_color = mw->menu.foreground;
fc8fefed 1818 }
07bf635f
RS		 1819 }
1820 }
1821
1822 if (!mw->menu.top_shadow_pixmap &&
1823 mw->menu.top_shadow_color == mw->core.background_pixel)
1824 {
1825 mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap;
bba2a923
GM		 1826 if (mw->menu.free_top_shadow_color_p)
1827 {
1828 x_free_dpy_colors (dpy, screen, cmap, &mw->menu.top_shadow_color, 1);
1829 mw->menu.free_top_shadow_color_p = 0;
1830 }
1831 mw->menu.top_shadow_color = mw->menu.foreground;
07bf635f
RS		 1832 }
1833 if (!mw->menu.bottom_shadow_pixmap &&
1834 mw->menu.bottom_shadow_color == mw->core.background_pixel)
1835 {
1836 mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap;
bba2a923
GM		 1837 if (mw->menu.free_bottom_shadow_color_p)
1838 {
1839 x_free_dpy_colors (dpy, screen, cmap,
1840 &mw->menu.bottom_shadow_color, 1);
1841 mw->menu.free_bottom_shadow_color_p = 0;
1842 }
1843 mw->menu.bottom_shadow_color = mw->menu.foreground;
07bf635f
RS		 1844 }
1845
1846 xgcv.fill_style = FillStippled;
1847 xgcv.foreground = mw->menu.top_shadow_color;
1848 xgcv.stipple = mw->menu.top_shadow_pixmap;
1849 pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0);
1850 mw->menu.shadow_top_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv);
1851
1852 xgcv.foreground = mw->menu.bottom_shadow_color;
1853 xgcv.stipple = mw->menu.bottom_shadow_pixmap;
1854 pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0);
1855 mw->menu.shadow_bottom_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv);
1856}
1857
1858
1859static void
d398028f
PR		 1860release_shadow_gcs (mw)
1861 XlwMenuWidget mw;
07bf635f 1862{
fc8fefed
GM		 1863 Display *dpy = XtDisplay ((Widget) mw);
1864 Screen *screen = XtScreen ((Widget) mw);
1865 Colormap cmap = mw->core.colormap;
1866 Pixel px[2];
bba2a923
GM		 1867 int i = 0;
1868
1869 if (mw->menu.free_top_shadow_color_p)
1870 px[i++] = mw->menu.top_shadow_color;
1871 if (mw->menu.free_bottom_shadow_color_p)
1872 px[i++] = mw->menu.bottom_shadow_color;
1873 if (i > 0)
1874 x_free_dpy_colors (dpy, screen, cmap, px, i);
5c520e0a 1875
07bf635f
RS		 1876 XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc);
1877 XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc);
1878}
1879
99852628
JD		 1880#ifdef HAVE_XFT
1881static int
1882openXftFont (mw)
1883 XlwMenuWidget mw;
1884{
1885 char *fname = mw->menu.faceName;
1886
1887 mw->menu.xft_font = 0;
1888 mw->menu.default_face = fname && strcmp (fname, DEFAULT_FACENAME) == 0;
1889
1890 if (fname && strcmp (fname, "none") != 0)
1891 {
1892 int screen = XScreenNumberOfScreen (mw->core.screen);
1893 int len = strlen (fname), i = len-1;
1894 /* Try to convert Gtk-syntax (Sans 9) to Xft syntax Sans-9. */
1895 while (i > 0 && isdigit (fname[i]))
1896 --i;
1897 if (fname[i] == ' ')
1898 {
1899 fname = xstrdup (mw->menu.faceName);
1900 fname[i] = '-';
1901 }
1902
1903 mw->menu.xft_font = XftFontOpenName (XtDisplay (mw), screen, fname);
1904 if (!mw->menu.xft_font)
1905 {
1906 fprintf (stderr, "Can't find font '%s'\n", fname);
1907 mw->menu.xft_font = XftFontOpenName (XtDisplay (mw), screen,
1908 DEFAULT_FACENAME);
1909 }
1910 }
1911
1912 if (fname != mw->menu.faceName) free (fname);
1913
1914 return mw->menu.xft_font != 0;
1915}
1916#endif
1917
07bf635f 1918static void
47d52240 1919XlwMenuInitialize (request, mw, args, num_args)
d398028f 1920 Widget request;
47d52240 1921 XlwMenuWidget mw;
d398028f
PR		 1922 ArgList args;
1923 Cardinal *num_args;
07bf635f
RS		 1924{
1925 /* Get the GCs and the widget size */
5c520e0a 1926
07bf635f
RS		 1927 Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw)));
1928 Display* display = XtDisplay (mw);
5c520e0a 1929
d398028f
PR		 1930#if 0
1931 widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value));
1932
1933 /* _XtCreate is freeing the object that was passed to us,
1934 so make a copy that we will actually keep. */
1935 lwlib_bcopy (mw->menu.contents, tem, sizeof (widget_value));
1936 mw->menu.contents = tem;
1937#endif
1938
99852628 1939 /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */
07bf635f 1940 mw->menu.cursor = mw->menu.cursor_shape;
5c520e0a 1941
a504c8fa 1942 mw->menu.gray_pixmap
f1c16db4
GM		 1943 = XCreatePixmapFromBitmapData (display, window, gray_bitmap_bits,
1944 gray_bitmap_width, gray_bitmap_height,
a504c8fa 1945 (unsigned long)1, (unsigned long)0, 1);
5c520e0a 1946
99852628
JD		 1947#ifdef HAVE_XFT
1948 if (openXftFont (mw))
1949 ;
1950 else
1951#endif
1952
1953 if (!mw->menu.font)
1954 {
1955 if (!xlwmenu_default_font)
1956 xlwmenu_default_font = XLoadQueryFont (display, "fixed");
1957 mw->menu.font = xlwmenu_default_font;
1958 if (!mw->menu.font)
1959 {
1960 fprintf (stderr, "Menu font fixed not found, can't continue.\n");
1961 abort ();
1962 }
1963 }
1964
2015c054
JD		 1965#ifdef HAVE_X_I18N
1966 if (mw->menu.fontSet)
1967 mw->menu.font_extents = XExtentsOfFontSet (mw->menu.fontSet);
423a3f59
SM		 1968#endif
1969
07bf635f
RS		 1970 make_drawing_gcs (mw);
1971 make_shadow_gcs (mw);
5c520e0a 1972
07bf635f 1973 mw->menu.popped_up = False;
5c520e0a 1974
07bf635f
RS		 1975 mw->menu.old_depth = 1;
1976 mw->menu.old_stack = (widget_value**)XtMalloc (sizeof (widget_value*));
1977 mw->menu.old_stack_length = 1;
1978 mw->menu.old_stack [0] = mw->menu.contents;
5c520e0a 1979
07bf635f
RS		 1980 mw->menu.new_depth = 0;
1981 mw->menu.new_stack = 0;
1982 mw->menu.new_stack_length = 0;
1983 push_new_stack (mw, mw->menu.contents);
5c520e0a 1984
07bf635f
RS		 1985 mw->menu.windows = (window_state*)XtMalloc (sizeof (window_state));
1986 mw->menu.windows_length = 1;
1987 mw->menu.windows [0].x = 0;
1988 mw->menu.windows [0].y = 0;
1989 mw->menu.windows [0].width = 0;
1990 mw->menu.windows [0].height = 0;
99852628 1991 mw->menu.windows [0].max_rest_width = 0;
f0bd1598 1992 mw->menu.windows [0].pixmap = None;
99852628
JD		 1993#ifdef HAVE_XFT
1994 mw->menu.windows [0].xft_draw = 0;
1995#endif
07bf635f 1996 size_menu (mw, 0);
5c520e0a 1997
07bf635f
RS		 1998 mw->core.width = mw->menu.windows [0].width;
1999 mw->core.height = mw->menu.windows [0].height;
2000}
2001
2002static void
2003XlwMenuClassInitialize ()
2004{
99852628 2005 xlwmenu_default_font = 0;
07bf635f
RS		 2006}
2007
2008static void
d398028f
PR		 2009XlwMenuRealize (w, valueMask, attributes)
2010 Widget w;
2011 Mask *valueMask;
2012 XSetWindowAttributes *attributes;
07bf635f
RS		 2013{
2014 XlwMenuWidget mw = (XlwMenuWidget)w;
2015 XSetWindowAttributes xswa;
2016 int mask;
2017
2018 (*xlwMenuWidgetClass->core_class.superclass->core_class.realize)
2019 (w, valueMask, attributes);
2020
2021 xswa.save_under = True;
2022 xswa.cursor = mw->menu.cursor_shape;
2023 mask = CWSaveUnder | CWCursor;
2dfa0fac
KL		 2024 /* I sometimes get random BadCursor errors while creating the first
2025 frame on a display. I can not find their reason, but they are
2026 annoying so for now let's ignore any errors here. -- lorentey */
2027#ifdef emacs
16b55533 2028 x_catch_errors (XtDisplay (w));
2dfa0fac 2029#endif
07bf635f 2030 XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa);
2dfa0fac 2031#ifdef emacs
16b55533 2032 x_uncatch_errors ();
2dfa0fac 2033#endif
07bf635f 2034
f0bd1598 2035 mw->menu.windows [0].w = w;
07bf635f
RS		 2036 mw->menu.windows [0].window = XtWindow (w);
2037 mw->menu.windows [0].x = w->core.x;
2038 mw->menu.windows [0].y = w->core.y;
2039 mw->menu.windows [0].width = w->core.width;
2040 mw->menu.windows [0].height = w->core.height;
99852628 2041
f0bd1598
J		 2042 create_pixmap_for_menu (&mw->menu.windows [0], mw);
2043
99852628
JD		 2044#ifdef HAVE_XFT
2045 if (mw->menu.xft_font)
2046 {
2047 XColor colors[3];
99852628
JD		 2048 colors[0].pixel = mw->menu.xft_fg.pixel = mw->menu.foreground;
2049 colors[1].pixel = mw->menu.xft_bg.pixel = mw->core.background_pixel;
2050 colors[2].pixel = mw->menu.xft_disabled_fg.pixel
2051 = mw->menu.disabled_foreground;
2052 XQueryColors (XtDisplay (mw), mw->core.colormap, colors, 3);
2053 mw->menu.xft_fg.color.alpha = 0xFFFF;
2054 mw->menu.xft_fg.color.red = colors[0].red;
2055 mw->menu.xft_fg.color.green = colors[0].green;
2056 mw->menu.xft_fg.color.blue = colors[0].blue;
2057 mw->menu.xft_bg.color.alpha = 0xFFFF;
2058 mw->menu.xft_bg.color.red = colors[1].red;
2059 mw->menu.xft_bg.color.green = colors[1].green;
2060 mw->menu.xft_bg.color.blue = colors[1].blue;
2061 mw->menu.xft_disabled_fg.color.alpha = 0xFFFF;
2062 mw->menu.xft_disabled_fg.color.red = colors[2].red;
2063 mw->menu.xft_disabled_fg.color.green = colors[2].green;
2064 mw->menu.xft_disabled_fg.color.blue = colors[2].blue;
2065 }
99852628 2066#endif
07bf635f
RS		 2067}
2068
2069/* Only the toplevel menubar/popup is a widget so it's the only one that
2070 receives expose events through Xt. So we repaint all the other panes
2071 when receiving an Expose event. */
5c520e0a 2072static void
d398028f
PR		 2073XlwMenuRedisplay (w, ev, region)
2074 Widget w;
2075 XEvent* ev;
2076 Region region;
07bf635f
RS		 2077{
2078 XlwMenuWidget mw = (XlwMenuWidget)w;
2079 int i;
2080
d398028f
PR		 2081 /* If we have a depth beyond 1, it's because a submenu was displayed.
2082 If the submenu has been destroyed, set the depth back to 1. */
2083 if (submenu_destroyed)
2084 {
2085 mw->menu.old_depth = 1;
2086 submenu_destroyed = 0;
2087 }
2088
f0bd1598 2089 display_menu (mw, 0, False, NULL, NULL, NULL);
07bf635f
RS		 2090}
2091
f3c9e544
GM		 2092
2093/* Part of a hack to make the menu redisplay when a tooltip frame
2094 over a menu item is unmapped. */
2095
2096void
2097xlwmenu_redisplay (w)
2098 Widget w;
2099{
2100 XlwMenuRedisplay (w, NULL, None);
2101}
2102
5c520e0a 2103static void
d398028f
PR		 2104XlwMenuDestroy (w)
2105 Widget w;
07bf635f
RS		 2106{
2107 int i;
2108 XlwMenuWidget mw = (XlwMenuWidget) w;
2109
d398028f 2110 if (pointer_grabbed)
4db7db7d 2111 ungrab_all ((Widget)w, CurrentTime);
d398028f
PR		 2112 pointer_grabbed = 0;
2113
2114 submenu_destroyed = 1;
2115
07bf635f
RS		 2116 release_drawing_gcs (mw);
2117 release_shadow_gcs (mw);
2118
2119 /* this doesn't come from the resource db but is created explicitly
2120 so we must free it ourselves. */
2121 XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap);
2122 mw->menu.gray_pixmap = (Pixmap) -1;
2123
d398028f
PR		 2124#if 0
2125 /* Do free mw->menu.contents because nowadays we copy it
2126 during initialization. */
2127 XtFree (mw->menu.contents);
2128#endif
2129
07bf635f
RS		 2130 /* Don't free mw->menu.contents because that comes from our creator.
2131 The `*_stack' elements are just pointers into `contents' so leave
2132 that alone too. But free the stacks themselves. */
2133 if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack);
2134 if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack);
2135
2136 /* Remember, you can't free anything that came from the resource
2137 database. This includes:
2138 mw->menu.cursor
2139 mw->menu.top_shadow_pixmap
2140 mw->menu.bottom_shadow_pixmap
2141 mw->menu.font
2142 Also the color cells of top_shadow_color, bottom_shadow_color,
2143 foreground, and button_foreground will never be freed until this
2144 client exits. Nice, eh?
2145 */
2146
99852628
JD		 2147#ifdef HAVE_XFT
2148 if (mw->menu.windows [0].xft_draw)
2149 XftDrawDestroy (mw->menu.windows [0].xft_draw);
2150 if (mw->menu.xft_font)
2151 XftFontClose (XtDisplay (mw), mw->menu.xft_font);
2152#endif
2153
f0bd1598
J		 2154 if (mw->menu.windows [0].pixmap != None)
2155 XFreePixmap (XtDisplay (mw), mw->menu.windows [0].pixmap);
07bf635f
RS		 2156 /* start from 1 because the one in slot 0 is w->core.window */
2157 for (i = 1; i < mw->menu.windows_length; i++)
99852628 2158 {
f0bd1598
J		 2159 if (mw->menu.windows [i].pixmap != None)
2160 XFreePixmap (XtDisplay (mw), mw->menu.windows [i].pixmap);
2161 XtDestroyWidget (mw->menu.windows [i].w);
99852628
JD		 2162#ifdef HAVE_XFT
2163 if (mw->menu.windows [i].xft_draw)
2164 XftDrawDestroy (mw->menu.windows [i].xft_draw);
2165#endif
2166 }
2167
07bf635f
RS		 2168 if (mw->menu.windows)
2169 XtFree ((char *) mw->menu.windows);
2170}
2171
b117f7cc 2172#ifdef HAVE_XFT
99852628
JD		 2173static int
2174facename_changed (XlwMenuWidget newmw,
2175 XlwMenuWidget oldmw)
2176{
f0bd1598 2177 /* This will fore a new XftFont even if the same string is set.
99852628
JD		 2178 This is good, as rendering parameters may have changed and
2179 we just want to do a redisplay. */
2180 return newmw->menu.faceName != oldmw->menu.faceName;
2181}
b117f7cc 2182#endif
99852628 2183
5c520e0a 2184static Boolean
d398028f
PR		 2185XlwMenuSetValues (current, request, new)
2186 Widget current;
2187 Widget request;
2188 Widget new;
07bf635f
RS		 2189{
2190 XlwMenuWidget oldmw = (XlwMenuWidget)current;
2191 XlwMenuWidget newmw = (XlwMenuWidget)new;
2192 Boolean redisplay = False;
2193 int i;
2194
2195 if (newmw->menu.contents
2196 && newmw->menu.contents->contents
2197 && newmw->menu.contents->contents->change >= VISIBLE_CHANGE)
2198 redisplay = True;
ba624d0f
RS		 2199 /* Do redisplay if the contents are entirely eliminated. */
2200 if (newmw->menu.contents
2201 && newmw->menu.contents->contents == 0
2202 && newmw->menu.contents->change >= VISIBLE_CHANGE)
2203 redisplay = True;
07bf635f
RS		 2204
2205 if (newmw->core.background_pixel != oldmw->core.background_pixel
d398028f 2206 || newmw->menu.foreground != oldmw->menu.foreground
99852628
JD		 2207#ifdef HAVE_XFT
2208 || facename_changed (newmw, oldmw)
2209#endif
2015c054
JD		 2210#ifdef HAVE_X_I18N
2211 || newmw->menu.fontSet != oldmw->menu.fontSet
2212 || (newmw->menu.fontSet == NULL && newmw->menu.font != oldmw->menu.font)
2213#else
423a3f59
SM		 2214 || newmw->menu.font != oldmw->menu.font
2215#endif
2216 )
07bf635f
RS		 2217 {
2218 release_drawing_gcs (newmw);
2219 make_drawing_gcs (newmw);
90c7e9f0
MB		 2220
2221 release_shadow_gcs (newmw);
2222 /* Cause the shadow colors to be recalculated. */
2223 newmw->menu.top_shadow_color = -1;
2224 newmw->menu.bottom_shadow_color = -1;
2225 make_shadow_gcs (newmw);
2226
07bf635f 2227 redisplay = True;
5c520e0a 2228
43aa2f1b 2229 if (XtIsRealized (current))
da353f23
MB		 2230 /* If the menu is currently displayed, change the display. */
2231 for (i = 0; i < oldmw->menu.windows_length; i++)
2232 {
2233 XSetWindowBackground (XtDisplay (oldmw),
2234 oldmw->menu.windows [i].window,
2235 newmw->core.background_pixel);
2236 /* clear windows and generate expose events */
2237 XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window,
2238 0, 0, 0, 0, True);
2239 }
07bf635f
RS		 2240 }
2241
99852628
JD		 2242#ifdef HAVE_XFT
2243 if (facename_changed (newmw, oldmw))
2244 {
2245 int i;
2246 int screen = XScreenNumberOfScreen (newmw->core.screen);
2247 if (newmw->menu.xft_font)
2248 XftFontClose (XtDisplay (newmw), newmw->menu.xft_font);
2249 openXftFont (newmw);
2250 for (i = 0; i < newmw->menu.windows_length; i++)
2251 {
2252 if (newmw->menu.windows [i].xft_draw)
2253 XftDrawDestroy (newmw->menu.windows [i].xft_draw);
2254 newmw->menu.windows [i].xft_draw = 0;
2255 }
2256 if (newmw->menu.xft_font)
2257 for (i = 0; i < newmw->menu.windows_length; i++)
2258 newmw->menu.windows [i].xft_draw
2259 = XftDrawCreate (XtDisplay (newmw),
2260 newmw->menu.windows [i].window,
2261 DefaultVisual (XtDisplay (newmw), screen),
2262 newmw->core.colormap);
2263 }
2264#endif
423a3f59 2265#ifdef HAVE_X_I18N
2015c054 2266 if (newmw->menu.fontSet != oldmw->menu.fontSet && newmw->menu.fontSet != NULL)
423a3f59
SM		 2267 {
2268 redisplay = True;
2015c054 2269 newmw->menu.font_extents = XExtentsOfFontSet (newmw->menu.fontSet);
423a3f59
SM		 2270 }
2271#endif
2272
07bf635f
RS		 2273 return redisplay;
2274}
2275
5c520e0a 2276static void
d398028f
PR		 2277XlwMenuResize (w)
2278 Widget w;
07bf635f
RS		 2279{
2280 XlwMenuWidget mw = (XlwMenuWidget)w;
2281
d398028f
PR		 2282 if (mw->menu.popped_up)
2283 {
2284 /* Don't allow the popup menu to resize itself. */
2285 mw->core.width = mw->menu.windows [0].width;
2286 mw->core.height = mw->menu.windows [0].height;
f0bd1598
J		 2287 mw->core.parent->core.width = mw->core.width;
2288 mw->core.parent->core.height = mw->core.height;
d398028f
PR		 2289 }
2290 else
2291 {
2292 mw->menu.windows [0].width = mw->core.width;
2293 mw->menu.windows [0].height = mw->core.height;
f0bd1598 2294 create_pixmap_for_menu (&mw->menu.windows [0], mw);
d398028f 2295 }
07bf635f
RS		 2296}
2297
2298\f/* Action procedures */
2299static void
d398028f
PR		 2300handle_single_motion_event (mw, ev)
2301 XlwMenuWidget mw;
2302 XMotionEvent* ev;
07bf635f
RS		 2303{
2304 widget_value* val;
2305 int level;
2306
2307 if (!map_event_to_widget_value (mw, ev, &val, &level))
2308 pop_new_stack_if_no_contents (mw);
2309 else
2310 set_new_state (mw, val, level);
2311 remap_menubar (mw);
5c520e0a 2312
07bf635f
RS		 2313 /* Sync with the display. Makes it feel better on X terms. */
2314 XSync (XtDisplay (mw), False);
2315}
2316
2317static void
d398028f
PR		 2318handle_motion_event (mw, ev)
2319 XlwMenuWidget mw;
2320 XMotionEvent* ev;
07bf635f
RS		 2321{
2322 int x = ev->x_root;
2323 int y = ev->y_root;
2324 int state = ev->state;
f0bd1598 2325 XMotionEvent oldev = *ev;
07bf635f
RS		 2326
2327 /* allow motion events to be generated again */
2328 if (ev->is_hint
2329 && XQueryPointer (XtDisplay (mw), ev->window,
2330 &ev->root, &ev->subwindow,
2331 &ev->x_root, &ev->y_root,
2332 &ev->x, &ev->y,
2333 &ev->state)
2334 && ev->state == state
2335 && (ev->x_root != x || ev->y_root != y))
2336 handle_single_motion_event (mw, ev);
f0bd1598
J		 2337 else
2338 handle_single_motion_event (mw, &oldev);
07bf635f
RS		 2339}
2340
5c520e0a 2341static void
d398028f
PR		 2342Start (w, ev, params, num_params)
2343 Widget w;
2344 XEvent *ev;
2345 String *params;
2346 Cardinal *num_params;
07bf635f
RS		 2347{
2348 XlwMenuWidget mw = (XlwMenuWidget)w;
2349
d398028f
PR		 2350 if (!mw->menu.popped_up)
2351 {
2352 menu_post_event = *ev;
244c93fe
JD		 2353 /* If event is set to CurrentTime, get the last known time stamp.
2354 This is for calculating if (popup) menus should stay up after
2355 a fast click. */
2356 if (menu_post_event.xbutton.time == CurrentTime)
2357 menu_post_event.xbutton.time
2358 = XtLastTimestampProcessed (XtDisplay (w));
2359
a57a1605 2360 pop_up_menu (mw, (XButtonPressedEvent*) ev);
d398028f
PR		 2361 }
2362 else
4cc76151
PR		 2363 {
2364 /* If we push a button while the menu is posted semipermanently,
2365 releasing the button should always pop the menu down. */
2366 next_release_must_exit = 1;
d398028f 2367
4cc76151
PR		 2368 /* notes the absolute position of the menubar window */
2369 mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x;
2370 mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y;
07bf635f 2371
4cc76151 2372 /* handles the down like a move, slots are compatible */
1f5df1f7 2373 ev->xmotion.is_hint = 0;
4cc76151
PR		 2374 handle_motion_event (mw, &ev->xmotion);
2375 }
07bf635f
RS		 2376}
2377
5c520e0a 2378static void
d398028f
PR		 2379Drag (w, ev, params, num_params)
2380 Widget w;
2381 XEvent *ev;
2382 String *params;
2383 Cardinal *num_params;
07bf635f
RS		 2384{
2385 XlwMenuWidget mw = (XlwMenuWidget)w;
3c9ce1c4
KH		 2386 if (mw->menu.popped_up)
2387 handle_motion_event (mw, &ev->xmotion);
07bf635f
RS		 2388}
2389
ba624d0f
RS		 2390/* Do nothing.
2391 This is how we handle presses and releases of modifier keys. */
2392static void
2393Nothing (w, ev, params, num_params)
2394 Widget w;
2395 XEvent *ev;
2396 String *params;
2397 Cardinal *num_params;
2398{
2399}
2400
244c93fe 2401static widget_value *
03a693b4 2402find_first_selectable (mw, item, skip_titles)
1b8d91ab
PJ		 2403 XlwMenuWidget mw;
2404 widget_value *item;
03a693b4 2405 int skip_titles;
1b8d91ab
PJ		 2406{
2407 widget_value *current = item;
2408 enum menu_separator separator;
2409
244c93fe 2410 while (lw_separator_p (current->name, &separator, 0) || !current->enabled
03a693b4 2411 || (skip_titles && !current->call_data && !current->contents))
1b8d91ab
PJ		 2412 if (current->next)
2413 current=current->next;
2414 else
03a693b4 2415 return NULL;
1b8d91ab
PJ		 2416
2417 return current;
2418}
2419
244c93fe 2420static widget_value *
03a693b4 2421find_next_selectable (mw, item, skip_titles)
a7e19a26
PJ		 2422 XlwMenuWidget mw;
2423 widget_value *item;
43f15d4a 2424 int skip_titles;
a7e19a26
PJ		 2425{
2426 widget_value *current = item;
2427 enum menu_separator separator;
2428
2429 while (current->next && (current=current->next) &&
244c93fe 2430 (lw_separator_p (current->name, &separator, 0) || !current->enabled
03a693b4 2431 || (skip_titles && !current->call_data && !current->contents)))
a7e19a26
PJ		 2432 ;
2433
2434 if (current == item)
2435 {
8b71a9ca
PJ		 2436 if (mw->menu.old_depth < 2)
2437 return current;
a7e19a26
PJ		 2438 current = mw->menu.old_stack [mw->menu.old_depth - 2]->contents;
2439
244c93fe
JD		 2440 while (lw_separator_p (current->name, &separator, 0)
2441 || !current->enabled
03a693b4
JD		 2442 || (skip_titles && !current->call_data
2443 && !current->contents))
1b8d91ab
PJ		 2444 {
2445 if (current->next)
2446 current=current->next;
2447
2448 if (current == item)
2449 break;
2450 }
2451
a7e19a26
PJ		 2452 }
2453
2454 return current;
2455}
2456
244c93fe 2457static widget_value *
03a693b4 2458find_prev_selectable (mw, item, skip_titles)
a7e19a26
PJ		 2459 XlwMenuWidget mw;
2460 widget_value *item;
43f15d4a 2461 int skip_titles;
a7e19a26
PJ		 2462{
2463 widget_value *current = item;
2464 widget_value *prev = item;
2465
03a693b4 2466 while ((current=find_next_selectable (mw, current, skip_titles))
244c93fe 2467 != item)
1b8d91ab
PJ		 2468 {
2469 if (prev == current)
2470 break;
a7e19a26 2471 prev=current;
1b8d91ab 2472 }
a7e19a26
PJ		 2473
2474 return prev;
2475}
2476
2477static void
2478Down (w, ev, params, num_params)
2479 Widget w;
2480 XEvent *ev;
2481 String *params;
2482 Cardinal *num_params;
2483{
2484 XlwMenuWidget mw = (XlwMenuWidget) w;
2485 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe 2486 int popup_menu_p = mw->menu.top_depth == 1;
a7e19a26
PJ		 2487
2488 /* Inside top-level menu-bar? */
244c93fe 2489 if (mw->menu.old_depth == mw->menu.top_depth)
a7e19a26 2490 /* When <down> in the menu-bar is pressed, display the corresponding
244c93fe 2491 sub-menu and select the first selectable menu item there.
03a693b4 2492 If this is a popup menu, skip title item of the popup. */
244c93fe
JD		 2493 set_new_state (mw,
2494 find_first_selectable (mw,
2495 selected_item->contents,
2496 popup_menu_p),
2497 mw->menu.old_depth);
a7e19a26
PJ		 2498 else
2499 /* Highlight next possible (enabled and not separator) menu item. */
244c93fe
JD		 2500 set_new_state (mw, find_next_selectable (mw, selected_item, popup_menu_p),
2501 mw->menu.old_depth - 1);
a7e19a26
PJ		 2502
2503 remap_menubar (mw);
2504}
2505
2506static void
2507Up (w, ev, params, num_params)
2508 Widget w;
2509 XEvent *ev;
2510 String *params;
2511 Cardinal *num_params;
2512{
2513 XlwMenuWidget mw = (XlwMenuWidget) w;
2514 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe 2515 int popup_menu_p = mw->menu.top_depth == 1;
a7e19a26
PJ		 2516
2517 /* Inside top-level menu-bar? */
244c93fe 2518 if (mw->menu.old_depth == mw->menu.top_depth)
a7e19a26
PJ		 2519 {
2520 /* FIXME: this is tricky. <up> in the menu-bar should select the
1b8d91ab
PJ		 2521 last selectable item in the list. So we select the first
2522 selectable one and find the previous selectable item. Is there
2523 a better way? */
03a693b4 2524 /* If this is a popup menu, skip title item of the popup. */
244c93fe
JD		 2525 set_new_state (mw,
2526 find_first_selectable (mw,
2527 selected_item->contents,
2528 popup_menu_p),
2529 mw->menu.old_depth);
a7e19a26
PJ		 2530 remap_menubar (mw);
2531 selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe
JD		 2532 set_new_state (mw,
2533 find_prev_selectable (mw,
2534 selected_item,
2535 popup_menu_p),
2536 mw->menu.old_depth - 1);
a7e19a26
PJ		 2537 }
2538 else
2539 /* Highlight previous (enabled and not separator) menu item. */
244c93fe
JD		 2540 set_new_state (mw, find_prev_selectable (mw, selected_item, popup_menu_p),
2541 mw->menu.old_depth - 1);
a7e19a26
PJ		 2542
2543 remap_menubar (mw);
2544}
2545
244c93fe 2546void
a7e19a26
PJ		 2547Left (w, ev, params, num_params)
2548 Widget w;
2549 XEvent *ev;
2550 String *params;
2551 Cardinal *num_params;
2552{
2553 XlwMenuWidget mw = (XlwMenuWidget) w;
2554 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
2555
2556 /* Inside top-level menu-bar? */
244c93fe 2557 if (mw->menu.old_depth == mw->menu.top_depth)
a7e19a26
PJ		 2558 /* When <left> in the menu-bar is pressed, display the previous item on
2559 the menu-bar. If the current item is the first one, highlight the
2560 last item in the menubar (probably Help). */
244c93fe
JD		 2561 set_new_state (mw, find_prev_selectable (mw, selected_item, 0),
2562 mw->menu.old_depth - 1);
fa74535d
RS		 2563 else if (mw->menu.old_depth == 1
2564 && selected_item->contents) /* Is this menu item expandable? */
2565 {
2566 set_new_state (mw, selected_item->contents, mw->menu.old_depth);
2567 remap_menubar (mw);
2568 selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe
JD		 2569 if (!selected_item->enabled && find_first_selectable (mw,
2570 selected_item,
2571 0))
2572 set_new_state (mw, find_first_selectable (mw, selected_item, 0),
2573 mw->menu.old_depth - 1);
fa74535d
RS		 2574 }
2575
a7e19a26
PJ		 2576 else
2577 {
2578 pop_new_stack_if_no_contents (mw);
244c93fe
JD		 2579 set_new_state (mw, mw->menu.old_stack [mw->menu.old_depth - 2],
2580 mw->menu.old_depth - 2);
a7e19a26
PJ		 2581 }
2582
2583 remap_menubar (mw);
2584}
2585
244c93fe 2586void
a7e19a26
PJ		 2587Right (w, ev, params, num_params)
2588 Widget w;
2589 XEvent *ev;
2590 String *params;
2591 Cardinal *num_params;
2592{
2593 XlwMenuWidget mw = (XlwMenuWidget) w;
2594 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
2595
2596 /* Inside top-level menu-bar? */
244c93fe 2597 if (mw->menu.old_depth == mw->menu.top_depth)
a7e19a26
PJ		 2598 /* When <right> in the menu-bar is pressed, display the next item on
2599 the menu-bar. If the current item is the last one, highlight the
2600 first item (probably File). */
244c93fe
JD		 2601 set_new_state (mw, find_next_selectable (mw, selected_item, 0),
2602 mw->menu.old_depth - 1);
a7e19a26 2603 else if (selected_item->contents) /* Is this menu item expandable? */
1b8d91ab
PJ		 2604 {
2605 set_new_state (mw, selected_item->contents, mw->menu.old_depth);
2606 remap_menubar (mw);
2607 selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
244c93fe
JD		 2608 if (!selected_item->enabled && find_first_selectable (mw,
2609 selected_item,
2610 0))
2611 set_new_state (mw, find_first_selectable (mw, selected_item, 0),
2612 mw->menu.old_depth - 1);
1b8d91ab 2613 }
a7e19a26
PJ		 2614 else
2615 {
2616 pop_new_stack_if_no_contents (mw);
244c93fe
JD		 2617 set_new_state (mw, mw->menu.old_stack [mw->menu.old_depth - 2],
2618 mw->menu.old_depth - 2);
a7e19a26
PJ		 2619 }
2620
2621 remap_menubar (mw);
2622}
2623
ba624d0f
RS		 2624/* Handle key press and release events while menu is popped up.
2625 Our action is to get rid of the menu. */
2626static void
2627Key (w, ev, params, num_params)
2628 Widget w;
2629 XEvent *ev;
2630 String *params;
2631 Cardinal *num_params;
2632{
2633 XlwMenuWidget mw = (XlwMenuWidget)w;
2634
2635 /* Pop down everything. */
2636 mw->menu.new_depth = 1;
2637 remap_menubar (mw);
2638
2639 if (mw->menu.popped_up)
2640 {
2641 mw->menu.popped_up = False;
4db7db7d 2642 ungrab_all ((Widget)mw, ev->xmotion.time);
ba624d0f
RS		 2643 if (XtIsShell (XtParent ((Widget) mw)))
2644 XtPopdown (XtParent ((Widget) mw));
2645 else
2646 {
2647 XtRemoveGrab ((Widget) mw);
f0bd1598 2648 display_menu (mw, 0, False, NULL, NULL, NULL);
ba624d0f
RS		 2649 }
2650 }
2651
2652 /* callback */
2653 XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)0);
2654}
2655
2656static void
d398028f
PR		 2657Select (w, ev, params, num_params)
2658 Widget w;
2659 XEvent *ev;
2660 String *params;
2661 Cardinal *num_params;
07bf635f
RS		 2662{
2663 XlwMenuWidget mw = (XlwMenuWidget)w;
2664 widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
5c520e0a 2665
d398028f
PR		 2666 /* If user releases the button quickly, without selecting anything,
2667 after the initial down-click that brought the menu up,
2668 do nothing. */
2669 if ((selected_item == 0
2670 || ((widget_value *) selected_item)->call_data == 0)
2671 && !next_release_must_exit
2672 && (ev->xbutton.time - menu_post_event.xbutton.time
2673 < XtGetMultiClickTime (XtDisplay (w))))
2674 return;
2675
2676 /* pop down everything. */
07bf635f
RS		 2677 mw->menu.new_depth = 1;
2678 remap_menubar (mw);
2679
2680 if (mw->menu.popped_up)
2681 {
2682 mw->menu.popped_up = False;
4db7db7d 2683 ungrab_all ((Widget)mw, ev->xmotion.time);
2289f3f4
PR		 2684 if (XtIsShell (XtParent ((Widget) mw)))
2685 XtPopdown (XtParent ((Widget) mw));
4cc76151
PR		 2686 else
2687 {
2688 XtRemoveGrab ((Widget) mw);
f0bd1598 2689 display_menu (mw, 0, False, NULL, NULL, NULL);
4cc76151 2690 }
07bf635f
RS		 2691 }
2692
2693 /* callback */
2694 XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)selected_item);
07bf635f
RS		 2695}
2696
2697
2698\f/* Special code to pop-up a menu */
244c93fe 2699static void
d398028f
PR		 2700pop_up_menu (mw, event)
2701 XlwMenuWidget mw;
2702 XButtonPressedEvent* event;
07bf635f
RS		 2703{
2704 int x = event->x_root;
2705 int y = event->y_root;
2706 int w;
2707 int h;
2708 int borderwidth = mw->menu.shadow_thickness;
2709 Screen* screen = XtScreen (mw);
8400b9ed 2710 Display *display = XtDisplay (mw);
07bf635f 2711
d398028f
PR		 2712 next_release_must_exit = 0;
2713
1ecd5086 2714 mw->menu.inside_entry = NULL;
07bf635f
RS		 2715 XtCallCallbackList ((Widget)mw, mw->menu.open, NULL);
2716
2289f3f4 2717 if (XtIsShell (XtParent ((Widget)mw)))
4cc76151 2718 size_menu (mw, 0);
07bf635f
RS		 2719
2720 w = mw->menu.windows [0].width;
2721 h = mw->menu.windows [0].height;
2722
2723 x -= borderwidth;
2724 y -= borderwidth;
2725 if (x < borderwidth)
2726 x = borderwidth;
2727 if (x + w + 2 * borderwidth > WidthOfScreen (screen))
2728 x = WidthOfScreen (screen) - w - 2 * borderwidth;
2729 if (y < borderwidth)
2730 y = borderwidth;
2731 if (y + h + 2 * borderwidth> HeightOfScreen (screen))
2732 y = HeightOfScreen (screen) - h - 2 * borderwidth;
2733
2734 mw->menu.popped_up = True;
2289f3f4 2735 if (XtIsShell (XtParent ((Widget)mw)))
4cc76151 2736 {
2289f3f4
PR		 2737 XtConfigureWidget (XtParent ((Widget)mw), x, y, w, h,
2738 XtParent ((Widget)mw)->core.border_width);
2739 XtPopup (XtParent ((Widget)mw), XtGrabExclusive);
f0bd1598 2740 display_menu (mw, 0, False, NULL, NULL, NULL);
4cc76151
PR		 2741 mw->menu.windows [0].x = x + borderwidth;
2742 mw->menu.windows [0].y = y + borderwidth;
244c93fe 2743 mw->menu.top_depth = 1; /* Popup menus don't have a bar so top is 1 */
4cc76151
PR		 2744 }
2745 else
2746 {
2747 XEvent *ev = (XEvent *) event;
2748
87a559bf 2749 XtAddGrab ((Widget) mw, True, True);
4cc76151
PR		 2750
2751 /* notes the absolute position of the menubar window */
2752 mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x;
2753 mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y;
244c93fe 2754 mw->menu.top_depth = 2;
4cc76151
PR		 2755 }
2756
d398028f 2757#ifdef emacs
1f5df1f7 2758 x_catch_errors (display);
d398028f 2759#endif
4db7db7d
JD		 2760 if (XtGrabPointer ((Widget)mw, False,
2761 (PointerMotionMask
2762 | PointerMotionHintMask
2763 | ButtonReleaseMask
2764 | ButtonPressMask),
2765 GrabModeAsync, GrabModeAsync, None,
2766 mw->menu.cursor_shape,
2767 event->time) == Success)
2768 {
005e0d57 2769 if (! GRAB_KEYBOARD
4db7db7d
JD		 2770 || XtGrabKeyboard ((Widget)mw, False, GrabModeAsync,
2771 GrabModeAsync, event->time) == Success)
2772 {
2773 XtSetKeyboardFocus((Widget)mw, None);
2774 pointer_grabbed = 1;
2775 }
2776 else
2777 XtUngrabPointer ((Widget)mw, event->time);
2778 }
2779
d398028f 2780#ifdef emacs
8400b9ed 2781 if (x_had_errors_p (display))
d398028f
PR		 2782 {
2783 pointer_grabbed = 0;
2784 XtUngrabPointer ((Widget)mw, event->time);
2785 }
1f5df1f7 2786 x_uncatch_errors ();
d398028f 2787#endif
07bf635f 2788
1f5df1f7 2789 ((XMotionEvent*)event)->is_hint = 0;
07bf635f
RS		 2790 handle_motion_event (mw, (XMotionEvent*)event);
2791}
ab5796a9
MB		 2792
2793/* arch-tag: 657f43dd-dfd0-4cc9-910c-52935f01176e
2794 (do not change this comment) */
Unnamed repository; edit this file 'description' to name the repository.