Mercurial > hg > xemacs-beta
comparison lwlib/xlwmenu.c @ 428:3ecd8885ac67 r21-2-22
Import from CVS: tag r21-2-22
author | cvs |
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date | Mon, 13 Aug 2007 11:28:15 +0200 |
parents | |
children | a5df635868b2 |
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1 /* Implements a lightweight menubar widget. | |
2 Copyright (C) 1992, 1993, 1994 Lucid, Inc. | |
3 Copyright (C) 1995 Tinker Systems and INS Engineering Corp. | |
4 | |
5 This file is part of the Lucid Widget Library. | |
6 | |
7 The Lucid Widget Library is free software; you can redistribute it and/or | |
8 modify it under the terms of the GNU General Public License as published by | |
9 the Free Software Foundation; either version 2, or (at your option) | |
10 any later version. | |
11 | |
12 The Lucid Widget Library is distributed in the hope that it will be useful, | |
13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 GNU General Public License for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
18 along with XEmacs; see the file COPYING. If not, write to | |
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
20 Boston, MA 02111-1307, USA. */ | |
21 | |
22 /* Created by devin@lucid.com */ | |
23 | |
24 #include <config.h> | |
25 #include <stdlib.h> | |
26 #include <string.h> | |
27 #include <ctype.h> | |
28 #include <stdio.h> | |
29 #include <sys/types.h> | |
30 #include <limits.h> | |
31 #ifdef HAVE_UNISTD_H | |
32 #include <unistd.h> | |
33 #endif | |
34 | |
35 #include <X11/IntrinsicP.h> | |
36 #include <X11/ShellP.h> | |
37 #include <X11/StringDefs.h> | |
38 #include <X11/cursorfont.h> | |
39 #include <X11/bitmaps/gray> | |
40 | |
41 #ifdef NEED_MOTIF | |
42 #include <Xm/Xm.h> | |
43 #if XmVersion < 1002 /* 1.1 or ancient */ | |
44 #undef XmFONTLIST_DEFAULT_TAG | |
45 #define XmFONTLIST_DEFAULT_TAG XmSTRING_DEFAULT_CHARSET | |
46 #endif /* XmVersion < 1.2 */ | |
47 #endif | |
48 #include "xlwmenuP.h" | |
49 | |
50 #ifdef USE_DEBUG_MALLOC | |
51 #include <dmalloc.h> | |
52 #endif | |
53 | |
54 /* simple, naieve integer maximum */ | |
55 #ifndef max | |
56 #define max(a,b) ((a)>(b)?(a):(b)) | |
57 #endif | |
58 | |
59 static char | |
60 xlwMenuTranslations [] = | |
61 "<BtnDown>: start()\n\ | |
62 <BtnMotion>: drag()\n\ | |
63 <BtnUp>: select()\n\ | |
64 "; | |
65 | |
66 extern Widget lw_menubar_widget; | |
67 | |
68 #define offset(field) XtOffset(XlwMenuWidget, field) | |
69 static XtResource | |
70 xlwMenuResources[] = | |
71 { | |
72 #ifdef NEED_MOTIF | |
73 /* There are three font list resources, so that we can accept either of | |
74 the resources *fontList: or *font:, and so that we can tell the | |
75 difference between them being specified, and being defaulted to a | |
76 font from the XtRString specified here. */ | |
77 {XmNfontList, XmCFontList, XmRFontList, sizeof(XmFontList), | |
78 offset(menu.font_list), XtRImmediate, (XtPointer)0}, | |
79 {XtNfont, XtCFont, XmRFontList, sizeof(XmFontList), | |
80 offset(menu.font_list_2),XtRImmediate, (XtPointer)0}, | |
81 {XmNfontList, XmCFontList, XmRFontList, sizeof(XmFontList), | |
82 offset(menu.fallback_font_list), | |
83 /* We must use an iso8859-1 font here, or people without $LANG set lose. | |
84 It's fair to assume that those who do have $LANG set also have the | |
85 *fontList resource set, or at least know how to deal with this. */ | |
86 XtRString, (XtPointer) "-*-helvetica-bold-r-*-*-*-120-*-*-*-*-iso8859-1"}, | |
87 #else | |
88 {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), | |
89 offset(menu.font), XtRString, (XtPointer) "XtDefaultFont"}, | |
90 # ifdef USE_XFONTSET | |
91 {XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet), | |
92 offset(menu.font_set), XtRString, (XtPointer) "XtDefaultFontSet"}, | |
93 # endif | |
94 #endif | |
95 {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), | |
96 offset(menu.foreground), XtRString, (XtPointer) "XtDefaultForeground"}, | |
97 {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel), | |
98 offset(menu.button_foreground), XtRString, (XtPointer) "XtDefaultForeground"}, | |
99 {XtNhighlightForeground, XtCHighlightForeground, XtRPixel, sizeof(Pixel), | |
100 offset(menu.highlight_foreground), XtRString, (XtPointer) "XtDefaultForeground"}, | |
101 {XtNtitleForeground, XtCTitleForeground, XtRPixel, sizeof(Pixel), | |
102 offset(menu.title_foreground), XtRString, (XtPointer) "XtDefaultForeground"}, | |
103 {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension), | |
104 offset(menu.margin), XtRImmediate, (XtPointer)2}, | |
105 {XmNmarginWidth, XmCMarginWidth, XmRHorizontalDimension, sizeof(Dimension), | |
106 offset(menu.horizontal_margin), XtRImmediate, (XtPointer)2}, | |
107 {XmNmarginHeight, XmCMarginHeight, XmRVerticalDimension, sizeof(Dimension), | |
108 offset(menu.vertical_margin), XtRImmediate, (XtPointer)1}, | |
109 {XmNspacing, XmCSpacing, XmRHorizontalDimension, sizeof(Dimension), | |
110 offset(menu.column_spacing), XtRImmediate, (XtPointer)4}, | |
111 {XmNindicatorSize, XmCIndicatorSize, XtRDimension, sizeof(Dimension), | |
112 offset(menu.indicator_size), XtRImmediate, (XtPointer)0}, | |
113 #if 0 | |
114 {XmNshadowThickness, XmCShadowThickness, XmRHorizontalDimension, | |
115 sizeof (Dimension), offset (menu.shadow_thickness), | |
116 XtRImmediate, (XtPointer) 2}, | |
117 #else | |
118 {XmNshadowThickness, XmCShadowThickness, XtRDimension, | |
119 sizeof (Dimension), offset (menu.shadow_thickness), | |
120 XtRImmediate, (XtPointer) 2}, | |
121 #endif | |
122 {XmNselectColor, XmCSelectColor, XtRPixel, sizeof (Pixel), | |
123 offset (menu.select_color), XtRImmediate, (XtPointer)-1}, | |
124 {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel), | |
125 offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1}, | |
126 {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel), | |
127 offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1}, | |
128 {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
129 offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
130 {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
131 offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
132 | |
133 {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer), | |
134 offset(menu.open), XtRCallback, (XtPointer)NULL}, | |
135 {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer), | |
136 offset(menu.select), XtRCallback, (XtPointer)NULL}, | |
137 {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer), | |
138 offset(menu.contents), XtRImmediate, (XtPointer)NULL}, | |
139 {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor), | |
140 offset(menu.cursor_shape), XtRString, (XtPointer) "right_ptr"}, | |
141 {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int), | |
142 offset(menu.horizontal), XtRImmediate, (XtPointer)True}, | |
143 {XtNuseBackingStore, XtCUseBackingStore, XtRBoolean, sizeof (Boolean), | |
144 offset (menu.use_backing_store), XtRImmediate, (XtPointer)False}, | |
145 {XtNbounceDown, XtCBounceDown, XtRBoolean, sizeof (Boolean), | |
146 offset (menu.bounce_down), XtRImmediate, (XtPointer)True}, | |
147 {XtNresourceLabels, XtCResourceLabels, XtRBoolean, sizeof (Boolean), | |
148 offset (menu.lookup_labels), XtRImmediate, (XtPointer)False}, | |
149 }; | |
150 #undef offset | |
151 | |
152 static Boolean XlwMenuSetValues (Widget current, Widget request, Widget new, | |
153 ArgList args, Cardinal *num_args); | |
154 static void XlwMenuRealize (Widget w, Mask *valueMask, | |
155 XSetWindowAttributes *attributes); | |
156 static void XlwMenuRedisplay (Widget w, XEvent *ev, Region region); | |
157 static void XlwMenuResize (Widget w); | |
158 static void XlwMenuInitialize (Widget request, Widget new, ArgList args, | |
159 Cardinal *num_args); | |
160 static void XlwMenuDestroy (Widget w); | |
161 static void XlwMenuClassInitialize (void); | |
162 static void Start (Widget w, XEvent *ev, String *params, Cardinal *num_params); | |
163 static void Drag (Widget w, XEvent *ev, String *params, Cardinal *num_params); | |
164 static void Select(Widget w, XEvent *ev, String *params, Cardinal *num_params); | |
165 | |
166 #ifdef NEED_MOTIF | |
167 static XFontStruct *default_font_of_font_list (XmFontList); | |
168 #endif | |
169 | |
170 static XtActionsRec | |
171 xlwMenuActionsList [] = | |
172 { | |
173 {"start", Start}, | |
174 {"drag", Drag}, | |
175 {"select", Select}, | |
176 }; | |
177 | |
178 #define SuperClass ((CoreWidgetClass)&coreClassRec) | |
179 | |
180 XlwMenuClassRec xlwMenuClassRec = | |
181 { | |
182 { /* CoreClass fields initialization */ | |
183 (WidgetClass) SuperClass, /* superclass */ | |
184 "XlwMenu", /* class_name */ | |
185 sizeof(XlwMenuRec), /* size */ | |
186 XlwMenuClassInitialize, /* class_initialize */ | |
187 NULL, /* class_part_initialize */ | |
188 FALSE, /* class_inited */ | |
189 XlwMenuInitialize, /* initialize */ | |
190 NULL, /* initialize_hook */ | |
191 XlwMenuRealize, /* realize */ | |
192 xlwMenuActionsList, /* actions */ | |
193 XtNumber(xlwMenuActionsList), /* num_actions */ | |
194 xlwMenuResources, /* resources */ | |
195 XtNumber(xlwMenuResources), /* resource_count */ | |
196 NULLQUARK, /* xrm_class */ | |
197 TRUE, /* compress_motion */ | |
198 TRUE, /* compress_exposure */ | |
199 TRUE, /* compress_enterleave */ | |
200 FALSE, /* visible_interest */ | |
201 XlwMenuDestroy, /* destroy */ | |
202 XlwMenuResize, /* resize */ | |
203 XlwMenuRedisplay, /* expose */ | |
204 XlwMenuSetValues, /* set_values */ | |
205 NULL, /* set_values_hook */ | |
206 XtInheritSetValuesAlmost, /* set_values_almost */ | |
207 NULL, /* get_values_hook */ | |
208 NULL, /* #### - should this be set for grabs? accept_focus */ | |
209 XtVersion, /* version */ | |
210 NULL, /* callback_private */ | |
211 xlwMenuTranslations, /* tm_table */ | |
212 XtInheritQueryGeometry, /* query_geometry */ | |
213 XtInheritDisplayAccelerator, /* display_accelerator */ | |
214 NULL /* extension */ | |
215 }, /* XlwMenuClass fields initialization */ | |
216 { | |
217 0 /* dummy */ | |
218 }, | |
219 }; | |
220 | |
221 WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec; | |
222 | |
223 extern int lw_menu_accelerate; | |
224 | |
225 /* Utilities */ | |
226 #if 0 /* Apparently not used anywhere */ | |
227 | |
228 static char * | |
229 safe_strdup (char *s) | |
230 { | |
231 char *result; | |
232 if (! s) return 0; | |
233 result = (char *) malloc (strlen (s) + 1); | |
234 if (! result) | |
235 return 0; | |
236 strcpy (result, s); | |
237 return result; | |
238 } | |
239 | |
240 #endif /* 0 */ | |
241 | |
242 /* Replacement for XAllocColor() that tries to return the nearest | |
243 available color if the colormap is full. From FSF Emacs. */ | |
244 | |
245 static int | |
246 allocate_nearest_color (Display *display, Colormap screen_colormap, | |
247 XColor *color_def) | |
248 { | |
249 int status = XAllocColor (display, screen_colormap, color_def); | |
250 if (status) | |
251 return status; | |
252 | |
253 { | |
254 /* If we got to this point, the colormap is full, so we're | |
255 going to try to get the next closest color. | |
256 The algorithm used is a least-squares matching, which is | |
257 what X uses for closest color matching with StaticColor visuals. */ | |
258 | |
259 int nearest, x; | |
260 unsigned long nearest_delta = ULONG_MAX; | |
261 | |
262 int no_cells = XDisplayCells (display, XDefaultScreen (display)); | |
263 /* Don't use alloca here because lwlib doesn't have the | |
264 necessary configuration information that src does. */ | |
265 XColor *cells = (XColor *) malloc (sizeof (XColor) * no_cells); | |
266 | |
267 for (x = 0; x < no_cells; x++) | |
268 cells[x].pixel = x; | |
269 | |
270 XQueryColors (display, screen_colormap, cells, no_cells); | |
271 | |
272 for (nearest = 0, x = 0; x < no_cells; x++) | |
273 { | |
274 long dred = (color_def->red >> 8) - (cells[x].red >> 8); | |
275 long dgreen = (color_def->green >> 8) - (cells[x].green >> 8); | |
276 long dblue = (color_def->blue >> 8) - (cells[x].blue >> 8); | |
277 unsigned long delta = dred * dred + dgreen * dgreen + dblue * dblue; | |
278 | |
279 if (delta < nearest_delta) | |
280 { | |
281 nearest = x; | |
282 nearest_delta = delta; | |
283 } | |
284 } | |
285 color_def->red = cells[nearest].red; | |
286 color_def->green = cells[nearest].green; | |
287 color_def->blue = cells[nearest].blue; | |
288 free (cells); | |
289 return XAllocColor (display, screen_colormap, color_def); | |
290 } | |
291 } | |
292 | |
293 static void | |
294 push_new_stack (XlwMenuWidget mw, widget_value *val) | |
295 { | |
296 if (!mw->menu.new_stack) | |
297 { | |
298 mw->menu.new_stack_length = 10; | |
299 mw->menu.new_stack = | |
300 (widget_value**)XtCalloc (mw->menu.new_stack_length, | |
301 sizeof (widget_value*)); | |
302 } | |
303 else if (mw->menu.new_depth == mw->menu.new_stack_length) | |
304 { | |
305 mw->menu.new_stack_length *= 2; | |
306 mw->menu.new_stack = | |
307 (widget_value**)XtRealloc ((char *)mw->menu.new_stack, | |
308 mw->menu.new_stack_length * | |
309 sizeof (widget_value*)); | |
310 } | |
311 mw->menu.new_stack [mw->menu.new_depth++] = val; | |
312 } | |
313 | |
314 static void | |
315 pop_new_stack_if_no_contents (XlwMenuWidget mw) | |
316 { | |
317 if (mw->menu.new_depth && | |
318 !mw->menu.new_stack [mw->menu.new_depth - 1]->contents) | |
319 mw->menu.new_depth -= 1; | |
320 } | |
321 | |
322 static void | |
323 make_old_stack_space (XlwMenuWidget mw, int n) | |
324 { | |
325 if (!mw->menu.old_stack) | |
326 { | |
327 mw->menu.old_stack_length = max (10, n); | |
328 mw->menu.old_stack = | |
329 (widget_value**)XtCalloc (mw->menu.old_stack_length, | |
330 sizeof (widget_value*)); | |
331 } | |
332 else if (mw->menu.old_stack_length < n) | |
333 { | |
334 while (mw->menu.old_stack_length < n) | |
335 mw->menu.old_stack_length *= 2; | |
336 | |
337 mw->menu.old_stack = | |
338 (widget_value**)XtRealloc ((char *)mw->menu.old_stack, | |
339 mw->menu.old_stack_length * | |
340 sizeof (widget_value*)); | |
341 } | |
342 } | |
343 | |
344 static Boolean | |
345 close_to_reference_time (Widget w, Time reference_time, XEvent *ev) | |
346 { | |
347 return | |
348 reference_time && | |
349 (ev->xbutton.time - reference_time < XtGetMultiClickTime (XtDisplay (w))); | |
350 } | |
351 | |
352 /* Size code */ | |
353 static int | |
354 string_width (XlwMenuWidget mw, | |
355 #ifdef NEED_MOTIF | |
356 XmString s | |
357 #else | |
358 char *s | |
359 #endif | |
360 ) | |
361 { | |
362 #ifdef NEED_MOTIF | |
363 Dimension width, height; | |
364 XmStringExtent (mw->menu.font_list, s, &width, &height); | |
365 return width; | |
366 #else | |
367 # ifdef USE_XFONTSET | |
368 XRectangle ri, rl; | |
369 XmbTextExtents (mw->menu.font_set, s, strlen (s), &ri, &rl); | |
370 return rl.width; | |
371 # else | |
372 XCharStruct xcs; | |
373 int drop; | |
374 XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs); | |
375 return xcs.width; | |
376 # endif /* USE_XFONTSET */ | |
377 #endif | |
378 } | |
379 | |
380 static char massaged_resource_char[256]; | |
381 | |
382 static void | |
383 initialize_massaged_resource_char (void) | |
384 { | |
385 int j; | |
386 for (j = 0; j < (int) sizeof (massaged_resource_char); j++) | |
387 { | |
388 if ((j >= 'a' && j <= 'z') || | |
389 (j >= 'A' && j <= 'Z') || | |
390 (j >= '0' && j <= '9') || | |
391 (j == '_') || | |
392 (j >= 0xa0)) | |
393 massaged_resource_char[j] = (char) j; | |
394 } | |
395 massaged_resource_char ['_'] = '_'; | |
396 massaged_resource_char ['+'] = 'P'; /* Convert C++ to cPP */ | |
397 massaged_resource_char ['.'] = '_'; /* Convert Buffers... to buffers___ */ | |
398 } | |
399 | |
400 static int | |
401 string_width_u (XlwMenuWidget mw, | |
402 #ifdef NEED_MOTIF | |
403 XmString string | |
404 #else | |
405 char *string | |
406 #endif | |
407 ) | |
408 { | |
409 #ifdef NEED_MOTIF | |
410 Dimension width, height; | |
411 XmString newstring; | |
412 #else | |
413 # ifdef USE_XFONTSET | |
414 XRectangle ri, rl; | |
415 # else /* ! USE_XFONTSET */ | |
416 XCharStruct xcs; | |
417 int drop; | |
418 # endif | |
419 #endif | |
420 char* newchars; | |
421 int charslength; | |
422 char *chars; | |
423 int i, j; | |
424 | |
425 #ifdef NEED_MOTIF | |
426 chars = ""; | |
427 if (!XmStringGetLtoR (string, XmFONTLIST_DEFAULT_TAG, &chars)) | |
428 chars = ""; | |
429 #else | |
430 chars = string; | |
431 #endif | |
432 charslength = strlen (chars); | |
433 newchars = (char *) alloca (charslength + 1); | |
434 | |
435 for (i = j = 0; chars[i] && (j < charslength); i++) | |
436 if (chars[i]=='%'&&chars[i+1]=='_') | |
437 i++; | |
438 else | |
439 newchars[j++] = chars[i]; | |
440 newchars[j] = '\0'; | |
441 | |
442 #ifdef NEED_MOTIF | |
443 newstring = XmStringLtoRCreate (newchars, XmFONTLIST_DEFAULT_TAG); | |
444 XmStringExtent (mw->menu.font_list, newstring, &width, &height); | |
445 XmStringFree (newstring); | |
446 XtFree (chars); | |
447 return width; | |
448 #else | |
449 # ifdef USE_XFONTSET | |
450 XmbTextExtents (mw->menu.font_set, newchars, j, &ri, &rl); | |
451 return rl.width; | |
452 # else /* ! USE_XFONTSET */ | |
453 XTextExtents (mw->menu.font, newchars, j, &drop, &drop, &drop, &xcs); | |
454 return xcs.width; | |
455 # endif /* USE_XFONTSET */ | |
456 #endif | |
457 } | |
458 | |
459 static void | |
460 massage_resource_name (CONST char *in, char *out) | |
461 { | |
462 /* Turn a random string into something suitable for using as a resource. | |
463 For example: | |
464 | |
465 "Kill Buffer" -> "killBuffer" | |
466 "Find File..." -> "findFile___" | |
467 "Search and Replace..." -> "searchAndReplace___" | |
468 "C++ Mode Commands" -> "cppModeCommands" | |
469 | |
470 Valid characters in a resource NAME component are: a-zA-Z0-9_ | |
471 */ | |
472 | |
473 #ifdef PRINT_XLWMENU_RESOURCE_CONVERSIONS | |
474 /* Compile with -DPRINT_XLWMENU_RESOURCE_CONVERSIONS to generate a | |
475 translation file for menu localizations. */ | |
476 char *save_in = in, *save_out = out; | |
477 #endif | |
478 | |
479 Boolean firstp = True; | |
480 while (*in) | |
481 { | |
482 char ch = massaged_resource_char[(unsigned char) *in++]; | |
483 if (ch) | |
484 { | |
485 int int_ch = (int) (unsigned char) ch; | |
486 *out++ = firstp ? tolower (int_ch) : toupper (int_ch); | |
487 firstp = False; | |
488 while ((ch = massaged_resource_char[(unsigned char) *in++]) != '\0') | |
489 *out++ = ch; | |
490 if (!*(in-1)) /* Overshot the NULL byte? */ | |
491 break; | |
492 } | |
493 } | |
494 *out = 0; | |
495 | |
496 #ifdef PRINT_XLWMENU_RESOURCE_CONVERSIONS | |
497 printf ("! Emacs*XlwMenu.%s.labelString:\t%s\n", save_out, save_in); | |
498 printf ( "Emacs*XlwMenu.%s.labelString:\n", save_out); | |
499 #endif | |
500 } | |
501 | |
502 static XtResource | |
503 nameResource[] = | |
504 { | |
505 { "labelString", "LabelString", XtRString, sizeof(String), | |
506 0, XtRImmediate, 0 } | |
507 }; | |
508 | |
509 /* | |
510 * This function looks through string searching for parameter | |
511 * inserts of the form: | |
512 * %[padding]1 | |
513 * padding is space (' ') or dash ('-') characters meaning | |
514 * padding to the left or right of the inserted parameter. | |
515 * In essence all %1 strings are replaced by value in the return | |
516 * value (which the caller is expected to free). | |
517 * %% means insert one % (like printf). | |
518 * %1 means insert value. | |
519 * %-1 means insert value followed by one space. The latter is | |
520 * not inserted if value is a zero length string. | |
521 */ | |
522 static char* | |
523 parameterize_string (CONST char *string, CONST char *value) | |
524 { | |
525 char *percent; | |
526 char *result; | |
527 unsigned int done = 0; | |
528 unsigned int ntimes; | |
529 | |
530 if (!string) | |
531 { | |
532 result = XtMalloc(1); | |
533 result[0] = '\0'; | |
534 return (result); | |
535 } | |
536 | |
537 if (!value) | |
538 value = ""; | |
539 | |
540 for (ntimes = 1, result = (char *) string; (percent = strchr(result, '%')); | |
541 ntimes++) | |
542 result = &percent[1]; | |
543 | |
544 result = XtMalloc ((ntimes * strlen(value)) + strlen(string) + 4); | |
545 result[0] = '\0'; | |
546 | |
547 while ((percent = strchr(string, '%'))) | |
548 { | |
549 unsigned int left_pad; | |
550 unsigned int right_pad; | |
551 char *p; | |
552 | |
553 if (percent[1] == '%') | |
554 { /* it's a real % */ | |
555 strncat (result, string, 1 + percent - string); /* incl % */ | |
556 string = &percent[2]; /* after the second '%' */ | |
557 continue; /* with the while() loop */ | |
558 } | |
559 | |
560 left_pad = 0; | |
561 right_pad = 0; | |
562 | |
563 for (p = &percent[1]; /* test *p inside the loop */ ; p++) | |
564 { | |
565 if (*p == ' ') | |
566 { /* left pad */ | |
567 left_pad++; | |
568 } | |
569 else if (*p == '-') | |
570 { /* right pad */ | |
571 right_pad++; | |
572 } | |
573 else if (*p == '1') | |
574 { /* param and terminator */ | |
575 strncat (result, string, percent - string); | |
576 if (value[0] != '\0') | |
577 { | |
578 unsigned int i; | |
579 for (i = 0; i < left_pad; i++) | |
580 strcat (result, " "); | |
581 strcat (result, value); | |
582 for (i = 0; i < right_pad; i++) | |
583 strcat (result, " "); | |
584 } | |
585 string = &p[1]; /* after the '1' */ | |
586 done++; /* no need to do old way */ | |
587 break; /* out of for() loop */ | |
588 } | |
589 else | |
590 { /* bogus, copy the format as is */ | |
591 /* out of for() loop */ | |
592 strncat (result, string, 1 + p - string); | |
593 string = (*p ? &p[1] : p); | |
594 break; | |
595 } | |
596 } | |
597 } | |
598 | |
599 /* Copy the tail of the string */ | |
600 strcat (result, string); | |
601 | |
602 /* If we have not processed a % string, and we have a value, tail it. */ | |
603 if (!done && value[0] != '\0') | |
604 { | |
605 strcat (result, " "); | |
606 strcat (result, value); | |
607 } | |
608 | |
609 return result; | |
610 } | |
611 | |
612 #ifdef NEED_MOTIF | |
613 | |
614 static XmString | |
615 resource_widget_value (XlwMenuWidget mw, widget_value *val) | |
616 { | |
617 if (!val->toolkit_data) | |
618 { | |
619 char *resourced_name = NULL; | |
620 char *converted_name, *str; | |
621 XmString complete_name; | |
622 char massaged_name [1024]; | |
623 | |
624 if (mw->menu.lookup_labels) | |
625 { | |
626 /* Convert value style name into resource style name. | |
627 eg: "Free Willy" becomes "freeWilly" */ | |
628 massage_resource_name (val->name, massaged_name); | |
629 | |
630 /* If we have a value (parameter) see if we can find a "Named" | |
631 resource. */ | |
632 if (val->value) | |
633 { | |
634 char named_name[1024]; | |
635 sprintf (named_name, "%sNamed", massaged_name); | |
636 XtGetSubresources ((Widget) mw, | |
637 (XtPointer) &resourced_name, | |
638 named_name, named_name, | |
639 nameResource, 1, NULL, 0); | |
640 } | |
641 | |
642 /* If nothing yet, try to load from the massaged name. */ | |
643 if (!resourced_name) | |
644 { | |
645 XtGetSubresources ((Widget) mw, | |
646 (XtPointer) &resourced_name, | |
647 massaged_name, massaged_name, | |
648 nameResource, 1, NULL, 0); | |
649 } | |
650 } /* if (mw->menu.lookup_labels) */ | |
651 | |
652 /* Still nothing yet, use the name as the value. */ | |
653 if (!resourced_name) | |
654 resourced_name = val->name; | |
655 | |
656 /* Parameterize the string. */ | |
657 converted_name = parameterize_string (resourced_name, val->value); | |
658 | |
659 /* nuke newline characters to prevent menubar screwups */ | |
660 for ( str = converted_name ; *str ; str++ ) | |
661 { | |
662 if (str[0] == '\n') str[0] = ' '; | |
663 } | |
664 | |
665 /* Improve OSF's bottom line. */ | |
666 #if (XmVersion >= 1002) | |
667 complete_name = XmStringCreateLocalized (converted_name); | |
668 #else | |
669 complete_name = XmStringCreateLtoR (converted_name, | |
670 XmSTRING_DEFAULT_CHARSET); | |
671 #endif | |
672 XtFree (converted_name); | |
673 | |
674 val->toolkit_data = complete_name; | |
675 val->free_toolkit_data = True; | |
676 } | |
677 return (XmString) val->toolkit_data; | |
678 } | |
679 | |
680 /* Unused */ | |
681 #if 0 | |
682 /* These two routines should be a seperate file..djw */ | |
683 static char * | |
684 xlw_create_localized_string (Widget w, | |
685 char *name, | |
686 char **args, | |
687 unsigned int nargs) | |
688 { | |
689 char *string = NULL; | |
690 char *arg = NULL; | |
691 | |
692 if (nargs > 0) | |
693 arg = args[0]; | |
694 | |
695 XtGetSubresources (w, | |
696 (XtPointer)&string, | |
697 name, | |
698 name, | |
699 nameResource, 1, | |
700 NULL, 0); | |
701 | |
702 if (!string) | |
703 string = name; | |
704 | |
705 return parameterize_string (string, arg); | |
706 } | |
707 | |
708 static XmString | |
709 xlw_create_localized_xmstring (Widget w, | |
710 char *name, | |
711 char **args, | |
712 unsigned int nargs) | |
713 { | |
714 char * string = xlw_create_localized_string (w, name, args, nargs); | |
715 XmString xm_string = XmStringCreateLtoR (string, XmSTRING_DEFAULT_CHARSET); | |
716 XtFree (string); | |
717 return xm_string; | |
718 } | |
719 #endif /* 0 */ | |
720 | |
721 #else /* !Motif */ | |
722 | |
723 static char* | |
724 resource_widget_value (XlwMenuWidget mw, widget_value *val) | |
725 { | |
726 if (!val->toolkit_data) | |
727 { | |
728 char *resourced_name = NULL; | |
729 char *complete_name; | |
730 char massaged_name [1024]; | |
731 | |
732 if (mw->menu.lookup_labels) | |
733 { | |
734 massage_resource_name (val->name, massaged_name); | |
735 | |
736 XtGetSubresources ((Widget) mw, | |
737 (XtPointer) &resourced_name, | |
738 massaged_name, massaged_name, | |
739 nameResource, 1, NULL, 0); | |
740 } | |
741 if (!resourced_name) | |
742 resourced_name = val->name; | |
743 | |
744 complete_name = parameterize_string (resourced_name, val->value); | |
745 | |
746 val->toolkit_data = complete_name; | |
747 /* nuke newline characters to prevent menubar screwups */ | |
748 for ( ; *complete_name ; complete_name++ ) | |
749 { | |
750 if (complete_name[0] == '\n') | |
751 complete_name[0] = ' '; | |
752 } | |
753 val->free_toolkit_data = True; | |
754 } | |
755 return (char *) val->toolkit_data; | |
756 } | |
757 | |
758 #endif /* !Motif */ | |
759 | |
760 /* Code for drawing strings. */ | |
761 static void | |
762 string_draw (XlwMenuWidget mw, | |
763 Window window, | |
764 int x, int y, | |
765 GC gc, | |
766 #ifdef NEED_MOTIF | |
767 XmString string | |
768 #else | |
769 char *string | |
770 #endif | |
771 ) | |
772 { | |
773 #ifdef NEED_MOTIF | |
774 XmStringDraw (XtDisplay (mw), window, | |
775 mw->menu.font_list, | |
776 string, gc, | |
777 x, y, | |
778 1000, /* ???? width */ | |
779 XmALIGNMENT_BEGINNING, | |
780 0, /* ???? layout_direction */ | |
781 0); | |
782 #else | |
783 # ifdef USE_XFONTSET | |
784 XmbDrawString (XtDisplay (mw), window, mw->menu.font_set, gc, | |
785 x, y + mw->menu.font_ascent, string, strlen (string)); | |
786 # else | |
787 XDrawString (XtDisplay (mw), window, gc, | |
788 x, y + mw->menu.font_ascent, string, strlen (string)); | |
789 # endif /* USE_XFONTSET */ | |
790 | |
791 #endif | |
792 } | |
793 | |
794 static int | |
795 string_draw_range ( | |
796 XlwMenuWidget mw, | |
797 Window window, | |
798 int x, int y, | |
799 GC gc, | |
800 char *string, | |
801 int start, | |
802 int end | |
803 ) | |
804 { | |
805 #ifdef NEED_MOTIF | |
806 Dimension width, height; | |
807 XmString newstring; | |
808 int c; | |
809 | |
810 if (end <= start) | |
811 return 0; | |
812 c = string[end]; | |
813 string[end] = '\0'; | |
814 newstring = XmStringLtoRCreate (&string[start], XmFONTLIST_DEFAULT_TAG); | |
815 XmStringDraw ( | |
816 XtDisplay (mw), window, | |
817 mw->menu.font_list, | |
818 newstring, gc, | |
819 x, y, | |
820 1000, /* ???? width */ | |
821 XmALIGNMENT_BEGINNING, | |
822 0, /* ???? layout_direction */ | |
823 0 | |
824 ); | |
825 XmStringExtent (mw->menu.font_list, newstring, &width, &height); | |
826 XmStringFree (newstring); | |
827 string[end] = c; | |
828 return width; | |
829 #else | |
830 # ifdef USE_XFONTSET | |
831 XRectangle ri, rl; | |
832 | |
833 if (end <= start) | |
834 return 0; | |
835 XmbDrawString ( | |
836 XtDisplay (mw), window, mw->menu.font_set, gc, | |
837 x, y + mw->menu.font_ascent, &string[start], end - start); | |
838 XmbTextExtents ( | |
839 mw->menu.font_set, &string[start], end - start, &ri, &rl); | |
840 return rl.width; | |
841 # else | |
842 XCharStruct xcs; | |
843 int drop; | |
844 | |
845 if (end <= start) | |
846 return 0; | |
847 XDrawString ( | |
848 XtDisplay (mw), window, gc, | |
849 x, y + mw->menu.font_ascent, &string[start], end - start); | |
850 XTextExtents ( | |
851 mw->menu.font, &string[start], end - start, | |
852 &drop, &drop, &drop, &xcs); | |
853 return xcs.width; | |
854 # endif | |
855 #endif | |
856 } | |
857 | |
858 static void | |
859 string_draw_u (XlwMenuWidget mw, | |
860 Window window, | |
861 int x, int y, | |
862 GC gc, | |
863 #ifdef NEED_MOTIF | |
864 XmString string | |
865 #else | |
866 char *string | |
867 #endif | |
868 ) | |
869 { | |
870 int i, s = 0; | |
871 char *chars; | |
872 | |
873 #ifdef NEED_MOTIF | |
874 chars = ""; | |
875 if (!XmStringGetLtoR (string, XmFONTLIST_DEFAULT_TAG, &chars)) | |
876 chars = ""; | |
877 #else | |
878 chars = string; | |
879 #endif | |
880 for (i=0; chars[i]; ++i) { | |
881 if (chars[i] == '%' && chars[i+1] == '_') { | |
882 int w; | |
883 | |
884 x += string_draw_range (mw, window, x, y, gc, chars, s, i); | |
885 w = string_draw_range (mw, window, x, y, gc, chars, i+2, i+3); | |
886 | |
887 /* underline next character */ | |
888 XDrawLine (XtDisplay (mw), window, gc, x - 1, | |
889 y + mw->menu.font_ascent + 1, | |
890 x + w - 1, y + mw->menu.font_ascent + 1 ); | |
891 x += w; | |
892 s = i + 3; | |
893 i += 2; | |
894 } | |
895 } | |
896 x += string_draw_range (mw, window, x, y, gc, chars, s, i); | |
897 #ifdef NEED_MOTIF | |
898 XtFree (chars); | |
899 #endif | |
900 } | |
901 | |
902 static void | |
903 binding_draw (XlwMenuWidget mw, Window w, int x, int y, GC gc, char *value) | |
904 { | |
905 #ifdef NEED_MOTIF | |
906 XmString xm_value = XmStringCreateLtoR(value, XmSTRING_DEFAULT_CHARSET); | |
907 string_draw (mw, w, x, y, gc, xm_value); | |
908 XmStringFree (xm_value); | |
909 #else | |
910 string_draw (mw, w, x, y, gc, value); | |
911 #endif | |
912 } | |
913 | |
914 /* Low level code for drawing 3-D edges. */ | |
915 static void | |
916 shadow_rectangle_draw (Display *dpy, | |
917 Window window, | |
918 GC top_gc, | |
919 GC bottom_gc, | |
920 int x, int y, | |
921 unsigned int width, | |
922 unsigned int height, | |
923 unsigned int thickness) | |
924 { | |
925 XPoint points [4]; | |
926 | |
927 if (!thickness) | |
928 return; | |
929 | |
930 points [0].x = x; | |
931 points [0].y = y; | |
932 points [1].x = x + width; | |
933 points [1].y = y; | |
934 points [2].x = x + width - thickness; | |
935 points [2].y = y + thickness; | |
936 points [3].x = x; | |
937 points [3].y = y + thickness; | |
938 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
939 points [0].x = x; | |
940 points [0].y = y + thickness; | |
941 points [1].x = x; | |
942 points [1].y = y + height; | |
943 points [2].x = x + thickness; | |
944 points [2].y = y + height - thickness; | |
945 points [3].x = x + thickness; | |
946 points [3].y = y + thickness; | |
947 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
948 points [0].x = x + width; | |
949 points [0].y = y; | |
950 points [1].x = x + width - thickness; | |
951 points [1].y = y + thickness; | |
952 points [2].x = x + width - thickness; | |
953 points [2].y = y + height - thickness; | |
954 points [3].x = x + width; | |
955 points [3].y = y + height - thickness; | |
956 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
957 points [0].x = x; | |
958 points [0].y = y + height; | |
959 points [1].x = x + width; | |
960 points [1].y = y + height; | |
961 points [2].x = x + width; | |
962 points [2].y = y + height - thickness; | |
963 points [3].x = x + thickness; | |
964 points [3].y = y + height - thickness; | |
965 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
966 } | |
967 | |
968 typedef enum e_shadow_type | |
969 { | |
970 /* these are Motif compliant */ | |
971 SHADOW_BACKGROUND, | |
972 SHADOW_OUT, | |
973 SHADOW_IN, | |
974 SHADOW_ETCHED_OUT, | |
975 SHADOW_ETCHED_IN, | |
976 SHADOW_ETCHED_OUT_DASH, | |
977 SHADOW_ETCHED_IN_DASH, | |
978 SHADOW_SINGLE_LINE, | |
979 SHADOW_DOUBLE_LINE, | |
980 SHADOW_SINGLE_DASHED_LINE, | |
981 SHADOW_DOUBLE_DASHED_LINE, | |
982 SHADOW_NO_LINE, | |
983 /* these are all non-Motif */ | |
984 SHADOW_DOUBLE_ETCHED_OUT, | |
985 SHADOW_DOUBLE_ETCHED_IN, | |
986 SHADOW_DOUBLE_ETCHED_OUT_DASH, | |
987 SHADOW_DOUBLE_ETCHED_IN_DASH | |
988 } shadow_type; | |
989 | |
990 static void | |
991 shadow_draw (XlwMenuWidget mw, | |
992 Window window, | |
993 int x, int y, | |
994 unsigned int width, | |
995 unsigned int height, | |
996 shadow_type type) | |
997 { | |
998 Display *dpy = XtDisplay (mw); | |
999 GC top_gc; | |
1000 GC bottom_gc; | |
1001 int thickness = mw->menu.shadow_thickness; | |
1002 #if 0 | |
1003 XPoint points [4]; | |
1004 #endif /* 0 */ | |
1005 Boolean etched = False; | |
1006 | |
1007 switch (type) | |
1008 { | |
1009 case SHADOW_BACKGROUND: | |
1010 top_gc = bottom_gc = mw->menu.background_gc; | |
1011 break; | |
1012 case SHADOW_ETCHED_IN: | |
1013 top_gc = mw->menu.shadow_bottom_gc; | |
1014 bottom_gc = mw->menu.shadow_top_gc; | |
1015 etched = True; | |
1016 break; | |
1017 case SHADOW_ETCHED_OUT: | |
1018 top_gc = mw->menu.shadow_top_gc; | |
1019 bottom_gc = mw->menu.shadow_bottom_gc; | |
1020 etched = True; | |
1021 break; | |
1022 case SHADOW_IN: | |
1023 top_gc = mw->menu.shadow_bottom_gc; | |
1024 bottom_gc = mw->menu.shadow_top_gc; | |
1025 break; | |
1026 case SHADOW_OUT: | |
1027 default: | |
1028 top_gc = mw->menu.shadow_top_gc; | |
1029 bottom_gc = mw->menu.shadow_bottom_gc; | |
1030 break; | |
1031 } | |
1032 | |
1033 if (etched) | |
1034 { | |
1035 unsigned int half = thickness/2; | |
1036 shadow_rectangle_draw (dpy, | |
1037 window, | |
1038 top_gc, | |
1039 top_gc, | |
1040 x, y, | |
1041 width - half, height - half, | |
1042 thickness - half); | |
1043 shadow_rectangle_draw (dpy, | |
1044 window, | |
1045 bottom_gc, | |
1046 bottom_gc, | |
1047 x + half, y + half, | |
1048 width - half , height - half, | |
1049 half); | |
1050 } | |
1051 else | |
1052 { | |
1053 shadow_rectangle_draw (dpy, | |
1054 window, | |
1055 top_gc, | |
1056 bottom_gc, | |
1057 x, y, | |
1058 width, height, | |
1059 thickness); | |
1060 } | |
1061 } | |
1062 | |
1063 static void | |
1064 arrow_decoration_draw (XlwMenuWidget mw, | |
1065 Window window, | |
1066 int x, int y, | |
1067 unsigned int width, | |
1068 Boolean raised) | |
1069 { | |
1070 Display *dpy = XtDisplay (mw); | |
1071 GC top_gc; | |
1072 GC bottom_gc; | |
1073 GC select_gc; | |
1074 int thickness = mw->menu.shadow_thickness; | |
1075 XPoint points [4]; | |
1076 int half_width; | |
1077 int length = (int)((double)width * 0.87); | |
1078 int thick_med = (int)((double)thickness * 1.73); | |
1079 | |
1080 if (width & 0x1) | |
1081 half_width = width/2 + 1; | |
1082 else | |
1083 half_width = width/2; | |
1084 | |
1085 select_gc = mw->menu.background_gc; | |
1086 | |
1087 if (raised) | |
1088 { | |
1089 top_gc = mw->menu.shadow_bottom_gc; | |
1090 bottom_gc = mw->menu.shadow_top_gc; | |
1091 } | |
1092 else | |
1093 { | |
1094 top_gc = mw->menu.shadow_top_gc; | |
1095 bottom_gc = mw->menu.shadow_bottom_gc; | |
1096 } | |
1097 | |
1098 /* Fill internal area. We do this first so that the borders have a | |
1099 nice sharp edge. */ | |
1100 points [0].x = x + thickness; | |
1101 points [0].y = y + thickness; | |
1102 points [1].x = x + length - thickness; | |
1103 points [1].y = y + half_width; | |
1104 points [2].x = x + length - thickness; | |
1105 points [2].y = y + half_width + thickness; | |
1106 points [3].x = x + thickness; | |
1107 points [3].y = y + width - thickness; | |
1108 | |
1109 XFillPolygon (dpy, | |
1110 window, | |
1111 select_gc, | |
1112 points, | |
1113 4, | |
1114 Convex, | |
1115 CoordModeOrigin); | |
1116 | |
1117 /* left border */ | |
1118 points [0].x = x; | |
1119 points [0].y = y; | |
1120 points [1].x = x + thickness; | |
1121 points [1].y = y + thick_med; | |
1122 points [2].x = x + thickness; | |
1123 points [2].y = y + width - thick_med; | |
1124 points [3].x = x; | |
1125 points [3].y = y + width; | |
1126 | |
1127 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
1128 | |
1129 /* top border */ | |
1130 points [0].x = x; | |
1131 points [0].y = y + width; | |
1132 points [1].x = x + length; | |
1133 points [1].y = y + half_width; | |
1134 points [2].x = x + length - (thickness + thickness); | |
1135 points [2].y = y + half_width; | |
1136 points [3].x = x + thickness; | |
1137 points [3].y = y + width - thick_med; | |
1138 | |
1139 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
1140 | |
1141 /* bottom shadow */ | |
1142 points [0].x = x; | |
1143 points [0].y = y; | |
1144 points [1].x = x + length; | |
1145 points [1].y = y + half_width; | |
1146 points [2].x = x + length - (thickness + thickness); | |
1147 points [2].y = y + half_width; | |
1148 points [3].x = x + thickness; | |
1149 points [3].y = y + thick_med; | |
1150 | |
1151 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
1152 } | |
1153 | |
1154 static void | |
1155 toggle_decoration_draw (XlwMenuWidget mw, | |
1156 Window window, | |
1157 int x, int y, | |
1158 unsigned int width, | |
1159 Boolean set) | |
1160 { | |
1161 Display *dpy = XtDisplay (mw); | |
1162 int thickness = mw->menu.shadow_thickness; | |
1163 shadow_type type; | |
1164 GC select_gc = mw->menu.select_gc; | |
1165 | |
1166 if (set) | |
1167 type = SHADOW_IN; | |
1168 else | |
1169 type = SHADOW_OUT; | |
1170 | |
1171 /* Fill internal area. */ | |
1172 if (set) | |
1173 XFillRectangle (dpy, | |
1174 window, | |
1175 select_gc, | |
1176 x + thickness, | |
1177 y + thickness, | |
1178 width - (2*thickness), | |
1179 width - (2*thickness)); | |
1180 | |
1181 shadow_draw (mw, window, x, y, width, width, type); | |
1182 } | |
1183 | |
1184 static void | |
1185 radio_decoration_draw (XlwMenuWidget mw, | |
1186 Window window, | |
1187 int x, int y, | |
1188 unsigned int width, | |
1189 Boolean enabled) | |
1190 { | |
1191 Display *dpy = XtDisplay (mw); | |
1192 GC top_gc; | |
1193 GC bottom_gc; | |
1194 GC select_gc = mw->menu.select_gc; | |
1195 int thickness = mw->menu.shadow_thickness; | |
1196 XPoint points[6]; | |
1197 int half_width; | |
1198 #if 0 | |
1199 int npoints; | |
1200 #endif /* 0 */ | |
1201 | |
1202 if (width & 0x1) | |
1203 width++; | |
1204 | |
1205 half_width = width/2; | |
1206 | |
1207 if (enabled) | |
1208 { | |
1209 top_gc = mw->menu.shadow_bottom_gc; | |
1210 bottom_gc = mw->menu.shadow_top_gc; | |
1211 } | |
1212 else | |
1213 { | |
1214 top_gc = mw->menu.shadow_top_gc; | |
1215 bottom_gc = mw->menu.shadow_bottom_gc; | |
1216 } | |
1217 | |
1218 #if 1 | |
1219 /* Draw the bottom first, just in case the regions overlap. | |
1220 The top should cast the longer shadow. */ | |
1221 points [0].x = x; /* left corner */ | |
1222 points [0].y = y + half_width; | |
1223 points [1].x = x + half_width; /* bottom corner */ | |
1224 points [1].y = y + width; | |
1225 points [2].x = x + half_width; /* bottom inside corner */ | |
1226 points [2].y = y + width - thickness; | |
1227 points [3].x = x + thickness; /* left inside corner */ | |
1228 points [3].y = y + half_width; | |
1229 | |
1230 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
1231 | |
1232 points [0].x = x + half_width; /* bottom corner */ | |
1233 points [0].y = y + width; | |
1234 points [1].x = x + width; /* right corner */ | |
1235 points [1].y = y + half_width; | |
1236 points [2].x = x + width - thickness; /* right inside corner */ | |
1237 points [2].y = y + half_width; | |
1238 points [3].x = x + half_width; /* bottom inside corner */ | |
1239 points [3].y = y + width - thickness; | |
1240 | |
1241 XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
1242 | |
1243 points [0].x = x; /* left corner */ | |
1244 points [0].y = y + half_width; | |
1245 points [1].x = x + half_width; /* top corner */ | |
1246 points [1].y = y; | |
1247 points [2].x = x + half_width; /* top inside corner */ | |
1248 points [2].y = y + thickness; | |
1249 points [3].x = x + thickness; /* left inside corner */ | |
1250 points [3].y = y + half_width; | |
1251 | |
1252 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
1253 | |
1254 points [0].x = x + half_width; /* top corner */ | |
1255 points [0].y = y; | |
1256 points [1].x = x + width; /* right corner */ | |
1257 points [1].y = y + half_width; | |
1258 points [2].x = x + width - thickness; /* right inside corner */ | |
1259 points [2].y = y + half_width; | |
1260 points [3].x = x + half_width; /* top inside corner */ | |
1261 points [3].y = y + thickness; | |
1262 | |
1263 XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
1264 #else | |
1265 /* Draw the bottom first, just in case the regions overlap. | |
1266 The top should cast the longer shadow. */ | |
1267 npoints = 0; | |
1268 points [npoints].x = x; /* left corner */ | |
1269 points [npoints++].y = y + half_width; | |
1270 points [npoints].x = x + half_width; /* bottom corner */ | |
1271 points [npoints++].y = y + width; | |
1272 points [npoints].x = x + width; /* right corner */ | |
1273 points [npoints++].y = y + half_width; | |
1274 points [npoints].x = x + width - thickness; /* right inside corner */ | |
1275 points [npoints++].y = y + half_width; | |
1276 points [npoints].x = x + half_width; /* bottom inside corner */ | |
1277 points [npoints++].y = y + width - thickness; | |
1278 points [npoints].x = x + thickness; /* left inside corner */ | |
1279 points [npoints++].y = y + half_width; | |
1280 | |
1281 XFillPolygon (dpy, window, bottom_gc, | |
1282 points, npoints, Nonconvex, CoordModeOrigin); | |
1283 | |
1284 npoints = 0; | |
1285 | |
1286 points [npoints].x = x; /* left corner */ | |
1287 points [npoints++].y = y + half_width; | |
1288 points [npoints].x = x + half_width; /* top corner */ | |
1289 points [npoints++].y = y; | |
1290 points [npoints].x = x + width; /* right corner */ | |
1291 points [npoints++].y = y + half_width; | |
1292 points [npoints].x = x + width - thickness; /* right inside corner */ | |
1293 points [npoints++].y = y + half_width; | |
1294 points [npoints].x = x + half_width; /* top inside corner */ | |
1295 points [npoints++].y = y + thickness; | |
1296 points [npoints].x = x + thickness; /* left inside corner */ | |
1297 points [npoints++].y = y + half_width; | |
1298 | |
1299 XFillPolygon (dpy, window, top_gc, points, npoints, Nonconvex, | |
1300 CoordModeOrigin); | |
1301 #endif | |
1302 | |
1303 | |
1304 /* Fill internal area. */ | |
1305 if (enabled) | |
1306 { | |
1307 points [0].x = x + thickness; | |
1308 points [0].y = y + half_width; | |
1309 points [1].x = x + half_width; | |
1310 points [1].y = y + thickness; | |
1311 points [2].x = x + width - thickness; | |
1312 points [2].y = y + half_width; | |
1313 points [3].x = x + half_width; | |
1314 points [3].y = y + width - thickness; | |
1315 XFillPolygon (dpy, | |
1316 window, | |
1317 select_gc, | |
1318 points, | |
1319 4, | |
1320 Convex, | |
1321 CoordModeOrigin); | |
1322 } | |
1323 } | |
1324 | |
1325 static void | |
1326 separator_decoration_draw (XlwMenuWidget mw, | |
1327 Window window, | |
1328 int x, int y, | |
1329 unsigned int width, | |
1330 Boolean vertical, | |
1331 shadow_type type) | |
1332 { | |
1333 Display *dpy = XtDisplay (mw); | |
1334 GC top_gc; | |
1335 GC bottom_gc; | |
1336 unsigned int offset = 0; | |
1337 unsigned int num_separators = 1; | |
1338 unsigned int top_line_thickness = 0; | |
1339 unsigned int bottom_line_thickness = 0; | |
1340 Boolean dashed = False; | |
1341 | |
1342 switch (type) | |
1343 { | |
1344 case SHADOW_NO_LINE: /* nothing to do */ | |
1345 return; | |
1346 case SHADOW_DOUBLE_LINE: | |
1347 num_separators = 2; | |
1348 case SHADOW_SINGLE_LINE: | |
1349 top_gc = bottom_gc = mw->menu.foreground_gc; | |
1350 top_line_thickness = 1; | |
1351 break; | |
1352 case SHADOW_DOUBLE_DASHED_LINE: | |
1353 num_separators = 2; | |
1354 case SHADOW_SINGLE_DASHED_LINE: | |
1355 top_gc = bottom_gc = mw->menu.foreground_gc; | |
1356 top_line_thickness = 1; | |
1357 dashed = True; | |
1358 break; | |
1359 case SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
1360 num_separators = 2; | |
1361 case SHADOW_ETCHED_OUT_DASH: | |
1362 top_gc = mw->menu.shadow_top_gc; | |
1363 bottom_gc = mw->menu.shadow_bottom_gc; | |
1364 top_line_thickness = mw->menu.shadow_thickness/2; | |
1365 bottom_line_thickness = mw->menu.shadow_thickness - top_line_thickness; | |
1366 dashed = True; | |
1367 break; | |
1368 case SHADOW_DOUBLE_ETCHED_IN_DASH: | |
1369 num_separators = 2; | |
1370 case SHADOW_ETCHED_IN_DASH: | |
1371 top_gc = mw->menu.shadow_bottom_gc; | |
1372 bottom_gc = mw->menu.shadow_top_gc; | |
1373 top_line_thickness = mw->menu.shadow_thickness/2; | |
1374 bottom_line_thickness = mw->menu.shadow_thickness - top_line_thickness; | |
1375 dashed = True; | |
1376 break; | |
1377 case SHADOW_DOUBLE_ETCHED_OUT: | |
1378 num_separators = 2; | |
1379 case SHADOW_ETCHED_OUT: | |
1380 top_gc = mw->menu.shadow_top_gc; | |
1381 bottom_gc = mw->menu.shadow_bottom_gc; | |
1382 top_line_thickness = mw->menu.shadow_thickness/2; | |
1383 bottom_line_thickness = mw->menu.shadow_thickness - top_line_thickness; | |
1384 break; | |
1385 case SHADOW_DOUBLE_ETCHED_IN: | |
1386 num_separators = 2; | |
1387 case SHADOW_ETCHED_IN: | |
1388 default: | |
1389 top_gc = mw->menu.shadow_bottom_gc; | |
1390 bottom_gc = mw->menu.shadow_top_gc; | |
1391 top_line_thickness = mw->menu.shadow_thickness/2; | |
1392 bottom_line_thickness = mw->menu.shadow_thickness - top_line_thickness; | |
1393 break; | |
1394 } | |
1395 | |
1396 if (dashed) | |
1397 { | |
1398 XGCValues values; | |
1399 values.line_style = LineOnOffDash; | |
1400 if (top_line_thickness > 0) | |
1401 XChangeGC (dpy, top_gc, GCLineStyle, &values); | |
1402 if (bottom_line_thickness > 0 && bottom_gc != top_gc) | |
1403 XChangeGC (dpy, bottom_gc, GCLineStyle, &values); | |
1404 } | |
1405 | |
1406 while (num_separators--) | |
1407 { | |
1408 unsigned int i; | |
1409 for (i = 0; i < top_line_thickness; i++) | |
1410 XDrawLine (dpy, window, top_gc, x, y + i, x + width, y + i); | |
1411 | |
1412 for (i = 0; i < bottom_line_thickness; i++) | |
1413 XDrawLine (dpy, window, bottom_gc, | |
1414 x, y + top_line_thickness + offset + i, | |
1415 x + width, y + top_line_thickness + offset + i); | |
1416 y += (top_line_thickness + offset + bottom_line_thickness + 1); | |
1417 } | |
1418 | |
1419 if (dashed) | |
1420 { | |
1421 XGCValues values; | |
1422 values.line_style = LineSolid; | |
1423 if (top_line_thickness > 0) | |
1424 XChangeGC (dpy, top_gc, GCLineStyle, &values); | |
1425 if (bottom_line_thickness > 0 && bottom_gc != top_gc) | |
1426 XChangeGC (dpy, bottom_gc, GCLineStyle, &values); | |
1427 } | |
1428 } | |
1429 | |
1430 #define SLOPPY_TYPES 0 /* 0=off, 1=error check, 2=easy to please */ | |
1431 #if SLOPPY_TYPES | |
1432 #if SLOPPY_TYPES < 2 | |
1433 | |
1434 static char *wv_types[] = | |
1435 { | |
1436 "UNSPECIFIED", | |
1437 "BUTTON", | |
1438 "TOGGLE", | |
1439 "RADIO", | |
1440 "TEXT", | |
1441 "SEPARATOR", | |
1442 "CASCADE", | |
1443 "PUSHRIGHT", | |
1444 "INCREMENTAL" | |
1445 }; | |
1446 | |
1447 static void | |
1448 print_widget_value (widget_value *wv, int just_one, int depth) | |
1449 { | |
1450 char d [200]; | |
1451 int i; | |
1452 for (i = 0; i < depth; i++) | |
1453 d[i] = ' '; | |
1454 d[depth]=0; | |
1455 if (!wv) | |
1456 { | |
1457 printf ("%s(null widget value pointer)\n", d); | |
1458 return; | |
1459 } | |
1460 printf ("%stype: %s\n", d, wv_types [wv->type]); | |
1461 #if 0 | |
1462 printf ("%sname: %s\n", d, (wv->name ? wv->name : "(null)")); | |
1463 #else | |
1464 if (wv->name) printf ("%sname: %s\n", d, wv->name); | |
1465 #endif | |
1466 if (wv->value) printf ("%svalue: %s\n", d, wv->value); | |
1467 if (wv->key) printf ("%skey: %s\n", d, wv->key); | |
1468 printf ("%senabled: %d\n", d, wv->enabled); | |
1469 if (wv->contents) | |
1470 { | |
1471 printf ("\n%scontents: \n", d); | |
1472 print_widget_value (wv->contents, 0, depth + 5); | |
1473 } | |
1474 if (!just_one && wv->next) | |
1475 { | |
1476 printf ("\n"); | |
1477 print_widget_value (wv->next, 0, depth); | |
1478 } | |
1479 } | |
1480 #endif /* SLOPPY_TYPES < 2 */ | |
1481 | |
1482 static Boolean | |
1483 all_dashes_p (char *s) | |
1484 { | |
1485 char *p; | |
1486 if (!s || s[0] == '\0') | |
1487 return False; | |
1488 for (p = s; *p == '-'; p++); | |
1489 | |
1490 if (*p == '!' || *p == '\0') | |
1491 return True; | |
1492 return False; | |
1493 } | |
1494 #endif /* SLOPPY_TYPES */ | |
1495 | |
1496 static widget_value_type | |
1497 menu_item_type (widget_value *val) | |
1498 { | |
1499 if (val->type != UNSPECIFIED_TYPE) | |
1500 return val->type; | |
1501 #if SLOPPY_TYPES | |
1502 else if (all_dashes_p (val->name)) | |
1503 return SEPARATOR_TYPE; | |
1504 else if (val->name && val->name[0] == '\0') /* push right */ | |
1505 return PUSHRIGHT_TYPE; | |
1506 else if (val->contents) /* cascade */ | |
1507 return CASCADE_TYPE; | |
1508 else if (val->call_data) /* push button */ | |
1509 return BUTTON_TYPE; | |
1510 else | |
1511 return TEXT_TYPE; | |
1512 #else | |
1513 else | |
1514 abort(); | |
1515 return UNSPECIFIED_TYPE; /* Not reached */ | |
1516 #endif | |
1517 } | |
1518 | |
1519 static void | |
1520 label_button_size (XlwMenuWidget mw, | |
1521 widget_value *val, | |
1522 Boolean in_menubar, | |
1523 unsigned int *toggle_width, | |
1524 unsigned int *label_width, | |
1525 unsigned int *bindings_width, | |
1526 unsigned int *height) | |
1527 { | |
1528 *height = (mw->menu.font_ascent + mw->menu.font_descent + | |
1529 2 * mw->menu.vertical_margin + | |
1530 2 * mw->menu.shadow_thickness); | |
1531 /* no left column decoration */ | |
1532 *toggle_width = mw->menu.horizontal_margin + mw->menu.shadow_thickness;; | |
1533 | |
1534 *label_width = string_width_u (mw, resource_widget_value (mw, val)); | |
1535 *bindings_width = mw->menu.horizontal_margin + mw->menu.shadow_thickness; | |
1536 } | |
1537 | |
1538 static void | |
1539 label_button_draw (XlwMenuWidget mw, | |
1540 widget_value *val, | |
1541 Boolean in_menubar, | |
1542 Boolean highlighted, | |
1543 Window window, | |
1544 int x, int y, | |
1545 unsigned int width, | |
1546 unsigned int height, | |
1547 unsigned int label_offset, | |
1548 unsigned int binding_tab) | |
1549 { | |
1550 int y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin; | |
1551 GC gc; | |
1552 | |
1553 if (!label_offset) | |
1554 label_offset = mw->menu.shadow_thickness + mw->menu.horizontal_margin; | |
1555 | |
1556 if (highlighted && (in_menubar || val->contents)) | |
1557 gc = mw->menu.highlight_gc; | |
1558 else if (in_menubar || val->contents) | |
1559 gc = mw->menu.foreground_gc; | |
1560 else | |
1561 gc = mw->menu.title_gc; | |
1562 | |
1563 /* Draw the label string. */ | |
1564 string_draw_u (mw, | |
1565 window, | |
1566 x + label_offset, y + y_offset, | |
1567 gc, | |
1568 resource_widget_value (mw, val)); | |
1569 } | |
1570 | |
1571 static void | |
1572 push_button_size (XlwMenuWidget mw, | |
1573 widget_value *val, | |
1574 Boolean in_menubar, | |
1575 unsigned int *toggle_width, | |
1576 unsigned int *label_width, | |
1577 unsigned int *bindings_width, | |
1578 unsigned int *height) | |
1579 { | |
1580 /* inherit */ | |
1581 label_button_size (mw, val, in_menubar, | |
1582 toggle_width, label_width, bindings_width, | |
1583 height); | |
1584 | |
1585 /* key bindings to display? */ | |
1586 if (!in_menubar && val->key) | |
1587 { | |
1588 int w; | |
1589 #ifdef NEED_MOTIF | |
1590 XmString key = XmStringCreateLtoR (val->key, XmSTRING_DEFAULT_CHARSET); | |
1591 w = string_width (mw, key); | |
1592 XmStringFree (key); | |
1593 #else | |
1594 char *key = val->key; | |
1595 w = string_width (mw, key); | |
1596 #endif | |
1597 *bindings_width += w + mw->menu.column_spacing; | |
1598 } | |
1599 } | |
1600 | |
1601 static void | |
1602 push_button_draw (XlwMenuWidget mw, | |
1603 widget_value *val, | |
1604 Boolean in_menubar, | |
1605 Boolean highlighted, | |
1606 Window window, | |
1607 int x, int y, | |
1608 unsigned int width, | |
1609 unsigned int height, | |
1610 unsigned int label_offset, | |
1611 unsigned int binding_offset) | |
1612 { | |
1613 int y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin; | |
1614 GC gc; | |
1615 shadow_type type; | |
1616 Boolean menu_pb = in_menubar && (menu_item_type (val) == BUTTON_TYPE); | |
1617 | |
1618 /* Draw the label string. */ | |
1619 if (!label_offset) | |
1620 label_offset = mw->menu.shadow_thickness + mw->menu.horizontal_margin; | |
1621 | |
1622 if (highlighted) | |
1623 { | |
1624 if (val->enabled) | |
1625 gc = mw->menu.highlight_gc; | |
1626 else | |
1627 gc = mw->menu.inactive_gc; | |
1628 } | |
1629 else if (menu_pb) | |
1630 { | |
1631 if (val->enabled) | |
1632 gc = mw->menu.button_gc; | |
1633 else | |
1634 gc = mw->menu.inactive_button_gc; | |
1635 } | |
1636 else | |
1637 { | |
1638 if (val->enabled) | |
1639 gc = mw->menu.foreground_gc; | |
1640 else | |
1641 gc = mw->menu.inactive_gc; | |
1642 } | |
1643 | |
1644 string_draw_u (mw, | |
1645 window, | |
1646 x + label_offset, y + y_offset, | |
1647 gc, | |
1648 resource_widget_value (mw, val)); | |
1649 | |
1650 /* Draw the keybindings */ | |
1651 if (val->key) | |
1652 { | |
1653 if (!binding_offset) | |
1654 { | |
1655 unsigned int s_width = | |
1656 string_width (mw, resource_widget_value (mw, val)); | |
1657 binding_offset = label_offset + s_width + mw->menu.shadow_thickness; | |
1658 } | |
1659 binding_draw (mw, window, | |
1660 x + binding_offset + mw->menu.column_spacing, | |
1661 y + y_offset, gc, val->key); | |
1662 } | |
1663 | |
1664 /* Draw the shadow */ | |
1665 if (menu_pb) | |
1666 { | |
1667 if (highlighted) | |
1668 type = SHADOW_OUT; | |
1669 else | |
1670 type = (val->selected ? SHADOW_ETCHED_OUT : SHADOW_ETCHED_IN); | |
1671 } | |
1672 else | |
1673 { | |
1674 if (highlighted) | |
1675 type = SHADOW_OUT; | |
1676 else | |
1677 type = SHADOW_BACKGROUND; | |
1678 } | |
1679 | |
1680 shadow_draw (mw, window, x, y, width, height, type); | |
1681 } | |
1682 | |
1683 static unsigned int | |
1684 arrow_decoration_height (XlwMenuWidget mw) | |
1685 { | |
1686 int result = (mw->menu.font_ascent + mw->menu.font_descent) / 2; | |
1687 | |
1688 result += 2 * mw->menu.shadow_thickness; | |
1689 | |
1690 if (result > (mw->menu.font_ascent + mw->menu.font_descent)) | |
1691 result = mw->menu.font_ascent + mw->menu.font_descent; | |
1692 | |
1693 return result; | |
1694 } | |
1695 | |
1696 static void | |
1697 cascade_button_size (XlwMenuWidget mw, | |
1698 widget_value *val, | |
1699 Boolean in_menubar, | |
1700 unsigned int *toggle_width, | |
1701 unsigned int *label_width, | |
1702 unsigned int *arrow_width, | |
1703 unsigned int *height) | |
1704 { | |
1705 /* inherit */ | |
1706 label_button_size (mw, val, in_menubar, | |
1707 toggle_width, label_width, arrow_width, | |
1708 height); | |
1709 /* we have a pull aside arrow */ | |
1710 if (!in_menubar) | |
1711 { | |
1712 *arrow_width += arrow_decoration_height (mw) + mw->menu.column_spacing; | |
1713 } | |
1714 } | |
1715 | |
1716 static void | |
1717 cascade_button_draw (XlwMenuWidget mw, | |
1718 widget_value *val, | |
1719 Boolean in_menubar, | |
1720 Boolean highlighted, | |
1721 Window window, | |
1722 int x, int y, | |
1723 unsigned int width, | |
1724 unsigned int height, | |
1725 unsigned int label_offset, | |
1726 unsigned int binding_offset) | |
1727 { | |
1728 shadow_type type; | |
1729 | |
1730 /* Draw the label string. */ | |
1731 label_button_draw (mw, val, in_menubar, highlighted, | |
1732 window, x, y, width, height, label_offset, | |
1733 binding_offset); | |
1734 | |
1735 /* Draw the pull aside arrow */ | |
1736 if (!in_menubar && val->contents) | |
1737 { | |
1738 int y_offset; | |
1739 unsigned int arrow_height = arrow_decoration_height (mw); | |
1740 | |
1741 y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin + | |
1742 (mw->menu.font_ascent+mw->menu.font_descent - arrow_height)/2; | |
1743 | |
1744 if (!binding_offset) | |
1745 { | |
1746 unsigned int s_width = | |
1747 string_width (mw, resource_widget_value (mw, val)); | |
1748 | |
1749 if (!label_offset) | |
1750 label_offset = mw->menu.shadow_thickness + | |
1751 mw->menu.horizontal_margin; | |
1752 | |
1753 binding_offset = label_offset + s_width + mw->menu.shadow_thickness; | |
1754 } | |
1755 | |
1756 arrow_decoration_draw (mw, | |
1757 window, | |
1758 x + binding_offset + mw->menu.column_spacing, | |
1759 y + y_offset, | |
1760 arrow_height, | |
1761 highlighted); | |
1762 } | |
1763 | |
1764 /* Draw the shadow */ | |
1765 if (highlighted) | |
1766 type = SHADOW_OUT; | |
1767 else | |
1768 type = SHADOW_BACKGROUND; | |
1769 | |
1770 shadow_draw (mw, window, x, y, width, height, type); | |
1771 } | |
1772 | |
1773 static unsigned int | |
1774 toggle_decoration_height (XlwMenuWidget mw) | |
1775 { | |
1776 int rv; | |
1777 if (mw->menu.indicator_size > 0) | |
1778 rv = mw->menu.indicator_size; | |
1779 else | |
1780 rv = mw->menu.font_ascent; | |
1781 | |
1782 if (rv > (mw->menu.font_ascent + mw->menu.font_descent)) | |
1783 rv = mw->menu.font_ascent + mw->menu.font_descent; | |
1784 | |
1785 /* radio button can't be smaller than its border or a filling | |
1786 error will occur. */ | |
1787 if (rv < 2 * mw->menu.shadow_thickness) | |
1788 rv = 2 * mw->menu.shadow_thickness; | |
1789 | |
1790 return rv; | |
1791 } | |
1792 | |
1793 static void | |
1794 toggle_button_size (XlwMenuWidget mw, | |
1795 widget_value *val, | |
1796 Boolean in_menubar, | |
1797 unsigned int *toggle_width, | |
1798 unsigned int *label_width, | |
1799 unsigned int *bindings_width, | |
1800 unsigned int *height) | |
1801 { | |
1802 /* inherit */ | |
1803 push_button_size (mw, val, in_menubar, | |
1804 toggle_width, label_width, bindings_width, | |
1805 height); | |
1806 /* we have a toggle */ | |
1807 *toggle_width += toggle_decoration_height (mw) + mw->menu.column_spacing; | |
1808 } | |
1809 | |
1810 static void | |
1811 toggle_button_draw (XlwMenuWidget mw, | |
1812 widget_value *val, | |
1813 Boolean in_menubar, | |
1814 Boolean highlighted, | |
1815 Window window, | |
1816 int x, int y, | |
1817 unsigned int width, | |
1818 unsigned int height, | |
1819 unsigned int label_tab, | |
1820 unsigned int binding_tab) | |
1821 { | |
1822 int x_offset; | |
1823 int y_offset; | |
1824 unsigned int t_height = toggle_decoration_height (mw); | |
1825 | |
1826 /* Draw a toggle. */ | |
1827 x_offset = mw->menu.shadow_thickness + mw->menu.horizontal_margin; | |
1828 y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin; | |
1829 y_offset += (mw->menu.font_ascent + mw->menu.font_descent - t_height)/2; | |
1830 | |
1831 toggle_decoration_draw (mw, window, x + x_offset, y + y_offset, | |
1832 t_height, val->selected); | |
1833 | |
1834 /* Draw the pushbutton parts. */ | |
1835 push_button_draw (mw, val, in_menubar, highlighted, window, x, y, width, | |
1836 height, label_tab, binding_tab); | |
1837 } | |
1838 | |
1839 static unsigned int | |
1840 radio_decoration_height (XlwMenuWidget mw) | |
1841 { | |
1842 return toggle_decoration_height (mw); | |
1843 } | |
1844 | |
1845 static void | |
1846 radio_button_draw (XlwMenuWidget mw, | |
1847 widget_value *val, | |
1848 Boolean in_menubar, | |
1849 Boolean highlighted, | |
1850 Window window, | |
1851 int x, int y, | |
1852 unsigned int width, | |
1853 unsigned int height, | |
1854 unsigned int label_tab, | |
1855 unsigned int binding_tab) | |
1856 { | |
1857 int x_offset; | |
1858 int y_offset; | |
1859 unsigned int r_height = radio_decoration_height (mw); | |
1860 | |
1861 /* Draw a toggle. */ | |
1862 x_offset = mw->menu.shadow_thickness + mw->menu.horizontal_margin; | |
1863 y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin; | |
1864 y_offset += (mw->menu.font_ascent + mw->menu.font_descent - r_height)/2; | |
1865 | |
1866 radio_decoration_draw (mw, window, x + x_offset, y + y_offset, r_height, | |
1867 val->selected); | |
1868 | |
1869 /* Draw the pushbutton parts. */ | |
1870 push_button_draw (mw, val, in_menubar, highlighted, window, x, y, width, | |
1871 height, label_tab, binding_tab); | |
1872 } | |
1873 | |
1874 static struct _shadow_names | |
1875 { | |
1876 CONST char * name; | |
1877 shadow_type type; | |
1878 } shadow_names[] = | |
1879 { | |
1880 /* Motif */ | |
1881 { "singleLine", SHADOW_SINGLE_LINE }, | |
1882 { "doubleLine", SHADOW_DOUBLE_LINE }, | |
1883 { "singleDashedLine", SHADOW_SINGLE_DASHED_LINE }, | |
1884 { "doubleDashedLine", SHADOW_DOUBLE_DASHED_LINE }, | |
1885 { "noLine", SHADOW_NO_LINE }, | |
1886 { "shadowEtchedIn", SHADOW_ETCHED_IN }, | |
1887 { "shadowEtchedOut", SHADOW_ETCHED_OUT }, | |
1888 { "shadowEtchedInDash", SHADOW_ETCHED_IN_DASH }, | |
1889 { "shadowEtchedOutDash", SHADOW_ETCHED_OUT_DASH }, | |
1890 /* non-Motif */ | |
1891 { "shadowDoubleEtchedIn", SHADOW_DOUBLE_ETCHED_IN }, | |
1892 { "shadowDoubleEtchedOut", SHADOW_DOUBLE_ETCHED_OUT }, | |
1893 { "shadowDoubleEtchedInDash", SHADOW_DOUBLE_ETCHED_IN_DASH }, | |
1894 { "shadowDoubleEtchedOutDash", SHADOW_DOUBLE_ETCHED_OUT_DASH } | |
1895 }; | |
1896 | |
1897 static shadow_type | |
1898 separator_type (char *name) | |
1899 { | |
1900 if (name) | |
1901 { | |
1902 int i; | |
1903 for (i = 0; i < (int) (XtNumber (shadow_names)); i++ ) | |
1904 { | |
1905 if (strcmp (name, shadow_names[i].name) == 0) | |
1906 return shadow_names[i].type; | |
1907 } | |
1908 } | |
1909 return SHADOW_BACKGROUND; | |
1910 } | |
1911 | |
1912 static unsigned int | |
1913 separator_decoration_height (XlwMenuWidget mw, widget_value *val) | |
1914 { | |
1915 | |
1916 switch (separator_type (val->value)) | |
1917 { | |
1918 case SHADOW_NO_LINE: | |
1919 case SHADOW_SINGLE_LINE: | |
1920 case SHADOW_SINGLE_DASHED_LINE: | |
1921 return 1; | |
1922 case SHADOW_DOUBLE_LINE: | |
1923 case SHADOW_DOUBLE_DASHED_LINE: | |
1924 return 3; | |
1925 case SHADOW_DOUBLE_ETCHED_OUT: | |
1926 case SHADOW_DOUBLE_ETCHED_IN: | |
1927 case SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
1928 case SHADOW_DOUBLE_ETCHED_IN_DASH: | |
1929 return (1 + 2 * mw->menu.shadow_thickness); | |
1930 case SHADOW_ETCHED_OUT: | |
1931 case SHADOW_ETCHED_IN: | |
1932 default: | |
1933 return mw->menu.shadow_thickness; | |
1934 } | |
1935 } | |
1936 | |
1937 static void | |
1938 separator_size (XlwMenuWidget mw, | |
1939 widget_value *val, | |
1940 Boolean in_menubar, | |
1941 unsigned int *toggle_width, | |
1942 unsigned int *label_width, | |
1943 unsigned int *rest_width, | |
1944 unsigned int *height) | |
1945 { | |
1946 *height = separator_decoration_height (mw, val); | |
1947 *label_width = 1; | |
1948 *toggle_width = *rest_width = 0; | |
1949 } | |
1950 | |
1951 static void | |
1952 separator_draw (XlwMenuWidget mw, | |
1953 widget_value *val, | |
1954 Boolean in_menubar, | |
1955 Boolean highlighted, | |
1956 Window window, | |
1957 int x, int y, | |
1958 unsigned int width, | |
1959 unsigned int height, | |
1960 unsigned int label_tab, | |
1961 unsigned int binding_tab) | |
1962 { | |
1963 unsigned int sep_width; | |
1964 | |
1965 if (in_menubar) | |
1966 sep_width = height; | |
1967 else | |
1968 sep_width = width; | |
1969 | |
1970 separator_decoration_draw (mw, | |
1971 window, | |
1972 x, | |
1973 y, | |
1974 sep_width, | |
1975 in_menubar, | |
1976 separator_type(val->value)); | |
1977 } | |
1978 | |
1979 static void | |
1980 pushright_size (XlwMenuWidget mw, | |
1981 widget_value *val, | |
1982 Boolean in_menubar, | |
1983 unsigned int *toggle_width, | |
1984 unsigned int *label_width, | |
1985 unsigned int *rest_width, | |
1986 unsigned int *height) | |
1987 { | |
1988 *height = *label_width = *toggle_width = *rest_width = 0; | |
1989 } | |
1990 | |
1991 static void | |
1992 size_menu_item (XlwMenuWidget mw, | |
1993 widget_value *val, | |
1994 int horizontal, | |
1995 unsigned int *toggle_width, | |
1996 unsigned int *label_width, | |
1997 unsigned int *rest_width, | |
1998 unsigned int *height) | |
1999 { | |
2000 void (*function_ptr) (XlwMenuWidget _mw, | |
2001 widget_value *_val, | |
2002 Boolean _in_menubar, | |
2003 unsigned int *_toggle_width, | |
2004 unsigned int *_label_width, | |
2005 unsigned int *_rest_width, | |
2006 unsigned int *_height); | |
2007 | |
2008 switch (menu_item_type (val)) | |
2009 { | |
2010 case TOGGLE_TYPE: | |
2011 case RADIO_TYPE: | |
2012 function_ptr = toggle_button_size; | |
2013 break; | |
2014 case SEPARATOR_TYPE: | |
2015 function_ptr = separator_size; | |
2016 break; | |
2017 case INCREMENTAL_TYPE: | |
2018 case CASCADE_TYPE: | |
2019 function_ptr = cascade_button_size; | |
2020 break; | |
2021 case BUTTON_TYPE: | |
2022 function_ptr = push_button_size; | |
2023 break; | |
2024 case PUSHRIGHT_TYPE: | |
2025 function_ptr = pushright_size; | |
2026 break; | |
2027 case TEXT_TYPE: | |
2028 default: | |
2029 function_ptr = label_button_size; | |
2030 break; | |
2031 } | |
2032 | |
2033 (*function_ptr) (mw, | |
2034 val, | |
2035 horizontal, | |
2036 toggle_width, | |
2037 label_width, | |
2038 rest_width, | |
2039 height); | |
2040 } | |
2041 | |
2042 static void | |
2043 display_menu_item (XlwMenuWidget mw, | |
2044 widget_value *val, | |
2045 window_state *ws, | |
2046 XPoint *where, | |
2047 Boolean highlighted, | |
2048 Boolean horizontal, | |
2049 Boolean just_compute) | |
2050 { | |
2051 | |
2052 int x = where->x /* + mw->menu.shadow_thickness */ ; | |
2053 int y = where->y /* + mw->menu.shadow_thickness */ ; | |
2054 unsigned int toggle_width; | |
2055 unsigned int label_width; | |
2056 unsigned int binding_width; | |
2057 unsigned int width; | |
2058 unsigned int height; | |
2059 unsigned int label_tab; | |
2060 unsigned int binding_tab; | |
2061 void (*function_ptr) (XlwMenuWidget _mw, | |
2062 widget_value *_val, | |
2063 Boolean _in_menubar, | |
2064 Boolean _highlighted, | |
2065 Window _window, | |
2066 int _x, int _y, | |
2067 unsigned int _width, | |
2068 unsigned int _height, | |
2069 unsigned int _label_tab, | |
2070 unsigned int _binding_tab); | |
2071 | |
2072 size_menu_item (mw, val, horizontal, | |
2073 &toggle_width, &label_width, &binding_width, &height); | |
2074 | |
2075 if (horizontal) | |
2076 { | |
2077 width = toggle_width + label_width + binding_width; | |
2078 height = ws->height - 2 * mw->menu.shadow_thickness; | |
2079 } | |
2080 else | |
2081 { | |
2082 width = ws->width - 2 * mw->menu.shadow_thickness; | |
2083 toggle_width = ws->toggle_width; | |
2084 label_width = ws->label_width; | |
2085 } | |
2086 | |
2087 where->x += width; | |
2088 where->y += height; | |
2089 | |
2090 if (just_compute) | |
2091 return; | |
2092 | |
2093 label_tab = toggle_width; | |
2094 binding_tab = toggle_width + label_width; | |
2095 | |
2096 switch (menu_item_type (val)) | |
2097 { | |
2098 case TOGGLE_TYPE: | |
2099 function_ptr = toggle_button_draw; | |
2100 break; | |
2101 case RADIO_TYPE: | |
2102 function_ptr = radio_button_draw; | |
2103 break; | |
2104 case SEPARATOR_TYPE: | |
2105 function_ptr = separator_draw; | |
2106 break; | |
2107 case INCREMENTAL_TYPE: | |
2108 case CASCADE_TYPE: | |
2109 function_ptr = cascade_button_draw; | |
2110 break; | |
2111 case BUTTON_TYPE: | |
2112 function_ptr = push_button_draw; | |
2113 break; | |
2114 case TEXT_TYPE: | |
2115 function_ptr = label_button_draw; | |
2116 break; | |
2117 default: /* do no drawing */ | |
2118 return; | |
2119 } | |
2120 | |
2121 (*function_ptr) (mw, | |
2122 val, | |
2123 horizontal, | |
2124 highlighted, | |
2125 ws->window, | |
2126 x, y, | |
2127 width, height, | |
2128 label_tab, | |
2129 binding_tab); | |
2130 } | |
2131 | |
2132 static void | |
2133 size_menu (XlwMenuWidget mw, int level) | |
2134 { | |
2135 unsigned int toggle_width; | |
2136 unsigned int label_width; | |
2137 unsigned int rest_width; | |
2138 unsigned int height; | |
2139 unsigned int max_toggle_width = 0; | |
2140 unsigned int max_label_width = 0; | |
2141 unsigned int max_rest_width = 0; | |
2142 unsigned int max_height = 0; | |
2143 int horizontal_p = mw->menu.horizontal && (level == 0); | |
2144 widget_value* val; | |
2145 window_state* ws; | |
2146 | |
2147 if (level >= mw->menu.old_depth) | |
2148 abort (); | |
2149 | |
2150 ws = &mw->menu.windows [level]; | |
2151 | |
2152 for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
2153 { | |
2154 size_menu_item (mw, | |
2155 val, | |
2156 horizontal_p, | |
2157 &toggle_width, | |
2158 &label_width, | |
2159 &rest_width, | |
2160 &height); | |
2161 if (horizontal_p) | |
2162 { | |
2163 max_label_width += toggle_width + label_width + rest_width; | |
2164 if (height > max_height) | |
2165 max_height = height; | |
2166 } | |
2167 else | |
2168 { | |
2169 if (max_toggle_width < toggle_width) | |
2170 max_toggle_width = toggle_width; | |
2171 if (max_label_width < label_width) | |
2172 max_label_width = label_width; | |
2173 if (max_rest_width < rest_width) | |
2174 max_rest_width = rest_width; | |
2175 max_height += height; | |
2176 } | |
2177 } | |
2178 | |
2179 ws->height = max_height; | |
2180 ws->width = max_label_width + max_rest_width + max_toggle_width; | |
2181 ws->toggle_width = max_toggle_width; | |
2182 ws->label_width = max_label_width; | |
2183 | |
2184 ws->width += 2 * mw->menu.shadow_thickness; | |
2185 ws->height += 2 * mw->menu.shadow_thickness; | |
2186 } | |
2187 | |
2188 static void | |
2189 display_menu (XlwMenuWidget mw, int level, Boolean just_compute_p, | |
2190 XPoint *highlighted_pos, XPoint *hit, widget_value **hit_return, | |
2191 widget_value *this, widget_value *that) | |
2192 { | |
2193 widget_value *val; | |
2194 widget_value *following_item; | |
2195 window_state *ws; | |
2196 XPoint where; | |
2197 int horizontal_p = mw->menu.horizontal && (level == 0); | |
2198 int highlighted_p; | |
2199 int just_compute_this_one_p; | |
2200 | |
2201 if (level >= mw->menu.old_depth) | |
2202 abort (); | |
2203 | |
2204 if (level < mw->menu.old_depth - 1) | |
2205 following_item = mw->menu.old_stack [level + 1]; | |
2206 else | |
2207 { | |
2208 if (lw_menu_accelerate | |
2209 && level == mw->menu.old_depth - 1 | |
2210 && mw->menu.old_stack [level]->type == CASCADE_TYPE) | |
2211 just_compute_p = True; | |
2212 following_item = NULL; | |
2213 } | |
2214 | |
2215 #if SLOPPY_TYPES == 1 | |
2216 puts("==================================================================="); | |
2217 print_widget_value (following_item, 1, 0); | |
2218 #endif | |
2219 | |
2220 if (hit) | |
2221 *hit_return = NULL; | |
2222 | |
2223 where.x = mw->menu.shadow_thickness; | |
2224 where.y = mw->menu.shadow_thickness; | |
2225 | |
2226 ws = &mw->menu.windows [level]; | |
2227 for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
2228 { | |
2229 XPoint start; | |
2230 | |
2231 highlighted_p = (val == following_item); | |
2232 /* If this is the partition (the dummy item which says that menus | |
2233 after this should be flushright) then figure out how big the | |
2234 following items are. This means we walk down the tail of the | |
2235 list twice, but that's no big deal - it's short. | |
2236 */ | |
2237 if (horizontal_p && (menu_item_type (val) == PUSHRIGHT_TYPE)) | |
2238 { | |
2239 widget_value *rest; | |
2240 XPoint flushright_size; | |
2241 int new_x; | |
2242 flushright_size.x = 0; | |
2243 flushright_size.y = 0; | |
2244 for (rest = val; rest; rest = rest->next) | |
2245 display_menu_item (mw, rest, ws, &flushright_size, | |
2246 highlighted_p, horizontal_p, True); | |
2247 new_x = ws->width - (flushright_size.x + mw->menu.shadow_thickness); | |
2248 if (new_x > where.x) | |
2249 where.x = new_x; | |
2250 /* We know what we need; don't draw this item. */ | |
2251 continue; | |
2252 } | |
2253 | |
2254 if (highlighted_p && highlighted_pos) | |
2255 { | |
2256 if (horizontal_p) | |
2257 highlighted_pos->x = where.x; | |
2258 else | |
2259 highlighted_pos->y = where.y; | |
2260 } | |
2261 | |
2262 just_compute_this_one_p = | |
2263 just_compute_p || ((this || that) && val != this && val != that); | |
2264 | |
2265 start.x = where.x; | |
2266 start.y = where.y; | |
2267 display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p, | |
2268 just_compute_this_one_p); | |
2269 | |
2270 if (highlighted_p && highlighted_pos) | |
2271 { | |
2272 if (horizontal_p) | |
2273 highlighted_pos->y = ws->height; | |
2274 else | |
2275 highlighted_pos->x = ws->width; | |
2276 } | |
2277 | |
2278 if (hit && !*hit_return) | |
2279 { | |
2280 if (horizontal_p && hit->x > start.x && hit->x <= where.x) | |
2281 *hit_return = val; | |
2282 else if (!horizontal_p && hit->y > start.y && hit->y <= where.y) | |
2283 *hit_return = val; | |
2284 } | |
2285 | |
2286 if (horizontal_p) | |
2287 where.y = mw->menu.shadow_thickness; | |
2288 else | |
2289 where.x = mw->menu.shadow_thickness; | |
2290 } | |
2291 | |
2292 /* Draw slab edges around menu */ | |
2293 if (!just_compute_p) | |
2294 shadow_draw(mw, ws->window, 0, 0, ws->width, ws->height, SHADOW_OUT); | |
2295 } | |
2296 | |
2297 /* Motion code */ | |
2298 static void | |
2299 set_new_state (XlwMenuWidget mw, widget_value *val, int level) | |
2300 { | |
2301 int i; | |
2302 | |
2303 mw->menu.new_depth = 0; | |
2304 for (i = 0; i < level; i++) | |
2305 push_new_stack (mw, mw->menu.old_stack [i]); | |
2306 if (val) | |
2307 push_new_stack (mw, val); | |
2308 } | |
2309 | |
2310 static void | |
2311 make_windows_if_needed (XlwMenuWidget mw, int n) | |
2312 { | |
2313 int i; | |
2314 int start_at; | |
2315 XSetWindowAttributes xswa; | |
2316 Widget p; | |
2317 int mask; | |
2318 int depth; | |
2319 Visual *visual; | |
2320 window_state *windows; | |
2321 Window root; | |
2322 | |
2323 if (mw->menu.windows_length >= n) | |
2324 return; | |
2325 | |
2326 root = RootWindowOfScreen (XtScreen(mw)); | |
2327 /* grab the visual and depth from the nearest shell ancestor */ | |
2328 visual = CopyFromParent; | |
2329 depth = CopyFromParent; | |
2330 p = XtParent(mw); | |
2331 while (visual == CopyFromParent && p) | |
2332 { | |
2333 if (XtIsShell(p)) | |
2334 { | |
2335 visual = ((ShellWidget)p)->shell.visual; | |
2336 depth = p->core.depth; | |
2337 } | |
2338 p = XtParent(p); | |
2339 } | |
2340 | |
2341 xswa.save_under = True; | |
2342 xswa.override_redirect = True; | |
2343 xswa.background_pixel = mw->core.background_pixel; | |
2344 xswa.border_pixel = mw->core.border_pixel; | |
2345 xswa.event_mask = (ExposureMask | ButtonMotionMask | |
2346 | ButtonReleaseMask | ButtonPressMask); | |
2347 xswa.cursor = mw->menu.cursor_shape; | |
2348 xswa.colormap = mw->core.colormap; | |
2349 mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
2350 | CWEventMask | CWCursor | CWColormap; | |
2351 | |
2352 if (mw->menu.use_backing_store) | |
2353 { | |
2354 xswa.backing_store = Always; | |
2355 mask |= CWBackingStore; | |
2356 } | |
2357 | |
2358 if (!mw->menu.windows) | |
2359 { | |
2360 mw->menu.windows = | |
2361 (window_state *) XtMalloc (n * sizeof (window_state)); | |
2362 start_at = 0; | |
2363 } | |
2364 else | |
2365 { | |
2366 mw->menu.windows = | |
2367 (window_state *) XtRealloc ((char *) mw->menu.windows, | |
2368 n * sizeof (window_state)); | |
2369 start_at = mw->menu.windows_length; | |
2370 } | |
2371 mw->menu.windows_length = n; | |
2372 | |
2373 windows = mw->menu.windows; | |
2374 | |
2375 for (i = start_at; i < n; i++) | |
2376 { | |
2377 windows [i].x = 0; | |
2378 windows [i].y = 0; | |
2379 windows [i].width = 1; | |
2380 windows [i].height = 1; | |
2381 windows [i].window = | |
2382 XCreateWindow (XtDisplay (mw), | |
2383 root, | |
2384 0, 0, 1, 1, | |
2385 0, depth, CopyFromParent, visual, mask, &xswa); | |
2386 } | |
2387 } | |
2388 | |
2389 /* Make the window fit in the screen */ | |
2390 static void | |
2391 fit_to_screen (XlwMenuWidget mw, window_state *ws, window_state *previous_ws, | |
2392 Boolean horizontal_p) | |
2393 { | |
2394 int screen_width = WidthOfScreen (XtScreen (mw)); | |
2395 int screen_height = HeightOfScreen (XtScreen (mw)); | |
2396 | |
2397 if (ws->x < 0) | |
2398 ws->x = 0; | |
2399 else if ((int) (ws->x + ws->width) > screen_width) | |
2400 { | |
2401 if (!horizontal_p) | |
2402 ws->x = previous_ws->x - ws->width; | |
2403 else | |
2404 { | |
2405 ws->x = screen_width - ws->width; | |
2406 | |
2407 /* This check is to make sure we cut off the right side | |
2408 instead of the left side if the menu is wider than the | |
2409 screen. */ | |
2410 if (ws->x < 0) | |
2411 ws->x = 0; | |
2412 } | |
2413 } | |
2414 if (ws->y < 0) | |
2415 ws->y = 0; | |
2416 else if ((int) (ws->y + ws->height) > screen_height) | |
2417 { | |
2418 if (horizontal_p) | |
2419 { | |
2420 /* A pulldown must either be entirely above or below the menubar. | |
2421 If we're here, the pulldown doesn't fit below the menubar, so | |
2422 let's determine if it will fit above the menubar. | |
2423 Only put it above if there is more room above than below. | |
2424 Note shadow_thickness offset to allow for slab surround. | |
2425 */ | |
2426 if (ws->y > (screen_height / 2)) | |
2427 ws->y = previous_ws->y - ws->height + mw->menu.shadow_thickness; | |
2428 } | |
2429 else | |
2430 { | |
2431 ws->y = screen_height - ws->height; | |
2432 /* if it's taller than the screen, display the topmost part | |
2433 that will fit, beginning at the top of the screen. */ | |
2434 if (ws->y < 0) | |
2435 ws->y = 0; | |
2436 } | |
2437 } | |
2438 } | |
2439 | |
2440 /* Updates old_stack from new_stack and redisplays. */ | |
2441 static void | |
2442 remap_menubar (XlwMenuWidget mw) | |
2443 { | |
2444 int i; | |
2445 int last_same; | |
2446 XPoint selection_position; | |
2447 int old_depth = mw->menu.old_depth; | |
2448 int new_depth = mw->menu.new_depth; | |
2449 widget_value **old_stack; | |
2450 widget_value **new_stack; | |
2451 window_state *windows; | |
2452 widget_value *old_selection; | |
2453 widget_value *new_selection; | |
2454 | |
2455 /* Check that enough windows and old_stack are ready. */ | |
2456 make_windows_if_needed (mw, new_depth); | |
2457 make_old_stack_space (mw, new_depth); | |
2458 windows = mw->menu.windows; | |
2459 old_stack = mw->menu.old_stack; | |
2460 new_stack = mw->menu.new_stack; | |
2461 | |
2462 /* compute the last identical different entry */ | |
2463 for (i = 1; i < old_depth && i < new_depth; i++) | |
2464 if (old_stack [i] != new_stack [i]) | |
2465 break; | |
2466 last_same = i - 1; | |
2467 | |
2468 if (lw_menu_accelerate | |
2469 && last_same | |
2470 && last_same == old_depth - 1 | |
2471 && old_stack [last_same]->contents) | |
2472 last_same--; | |
2473 | |
2474 /* Memorize the previously selected item to be able to refresh it */ | |
2475 old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL; | |
2476 new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL; | |
2477 | |
2478 /* updates old_state from new_state. It has to be done now because | |
2479 display_menu (called below) uses the old_stack to know what to display. */ | |
2480 for (i = last_same + 1; i < new_depth; i++) | |
2481 old_stack [i] = new_stack [i]; | |
2482 | |
2483 mw->menu.old_depth = new_depth; | |
2484 | |
2485 /* refresh the last seletion */ | |
2486 selection_position.x = 0; | |
2487 selection_position.y = 0; | |
2488 display_menu (mw, last_same, new_selection == old_selection, | |
2489 &selection_position, NULL, NULL, old_selection, new_selection); | |
2490 | |
2491 /* Now popup the new menus */ | |
2492 for (i = last_same + 1; i < new_depth && new_stack [i]->contents; i++) | |
2493 { | |
2494 window_state *previous_ws = &windows [i - 1]; | |
2495 window_state *ws = &windows [i]; | |
2496 | |
2497 if (lw_menu_accelerate && i == new_depth - 1) | |
2498 break; | |
2499 | |
2500 ws->x = previous_ws->x + selection_position.x; | |
2501 ws->y = previous_ws->y + selection_position.y; | |
2502 | |
2503 /* take into account the slab around the new menu */ | |
2504 ws->y -= mw->menu.shadow_thickness; | |
2505 | |
2506 { | |
2507 widget_value *val = mw->menu.old_stack [i]; | |
2508 if (val->contents->type == INCREMENTAL_TYPE) | |
2509 { | |
2510 /* okay, we're now doing a lisp callback to incrementally generate | |
2511 more of the menu. */ | |
2512 XtCallCallbackList ((Widget)mw, | |
2513 mw->menu.open, | |
2514 (XtPointer)val->contents); | |
2515 } | |
2516 } | |
2517 | |
2518 size_menu (mw, i); | |
2519 | |
2520 fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1); | |
2521 | |
2522 XClearWindow (XtDisplay (mw), ws->window); | |
2523 XMoveResizeWindow (XtDisplay (mw), ws->window, ws->x, ws->y, | |
2524 ws->width, ws->height); | |
2525 XMapRaised (XtDisplay (mw), ws->window); | |
2526 display_menu (mw, i, False, &selection_position, NULL, NULL, NULL, NULL); | |
2527 } | |
2528 | |
2529 /* unmap the menus that popped down */ | |
2530 | |
2531 last_same = new_depth; | |
2532 if (lw_menu_accelerate | |
2533 && last_same > 1 | |
2534 && new_stack [last_same - 1]->contents) | |
2535 last_same--; | |
2536 | |
2537 for (i = last_same - 1; i < old_depth; i++) | |
2538 if (i >= last_same || !new_stack [i]->contents) | |
2539 XUnmapWindow (XtDisplay (mw), windows [i].window); | |
2540 } | |
2541 | |
2542 static Boolean | |
2543 motion_event_is_in_menu (XlwMenuWidget mw, XMotionEvent *ev, int level, | |
2544 XPoint *relative_pos) | |
2545 { | |
2546 window_state *ws = &mw->menu.windows [level]; | |
2547 int x = level == 0 ? ws->x : ws->x + mw->menu.shadow_thickness; | |
2548 int y = level == 0 ? ws->y : ws->y + mw->menu.shadow_thickness; | |
2549 relative_pos->x = ev->x_root - x; | |
2550 relative_pos->y = ev->y_root - y; | |
2551 return (x < ev->x_root && ev->x_root < (int) (x + ws->width) && | |
2552 y < ev->y_root && ev->y_root < (int) (y + ws->height)); | |
2553 } | |
2554 | |
2555 static Boolean | |
2556 map_event_to_widget_value (XlwMenuWidget mw, XMotionEvent *ev, | |
2557 widget_value **val_ptr, int *level, | |
2558 Boolean *inside_menu) | |
2559 { | |
2560 int i; | |
2561 XPoint relative_pos; | |
2562 window_state* ws; | |
2563 | |
2564 *val_ptr = NULL; | |
2565 *inside_menu = False; | |
2566 | |
2567 /* Find the window */ | |
2568 #if 1 | |
2569 for (i = mw->menu.old_depth - 1; i >= 0; i--) | |
2570 #else | |
2571 for (i = 0; i <= mw->menu.old_depth - 1; i++) | |
2572 #endif | |
2573 { | |
2574 ws = &mw->menu.windows [i]; | |
2575 if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos)) | |
2576 { | |
2577 *inside_menu = True; /* special logic for menubar below... */ | |
2578 if ((ev->type == ButtonPress) || | |
2579 (ev->state != 0)) | |
2580 { | |
2581 display_menu (mw, i, True, NULL, &relative_pos, | |
2582 val_ptr, NULL, NULL); | |
2583 if (*val_ptr) | |
2584 { | |
2585 *level = i + 1; | |
2586 *inside_menu = True; | |
2587 return True; | |
2588 } | |
2589 else if (mw->menu.horizontal || i == 0) | |
2590 { | |
2591 /* if we're clicking on empty part of the menubar, then | |
2592 unpost the stay-up menu */ | |
2593 *inside_menu = False; | |
2594 } | |
2595 } | |
2596 } | |
2597 } | |
2598 return False; | |
2599 } | |
2600 | |
2601 /* Procedures */ | |
2602 static void | |
2603 make_drawing_gcs (XlwMenuWidget mw) | |
2604 { | |
2605 XGCValues xgcv; | |
2606 unsigned long flags = (GCFont | GCForeground | GCBackground); | |
2607 | |
2608 #ifdef NEED_MOTIF | |
2609 xgcv.font = default_font_of_font_list (mw->menu.font_list)->fid; | |
2610 #else | |
2611 xgcv.font = mw->menu.font->fid; | |
2612 #endif | |
2613 | |
2614 xgcv.foreground = mw->core.background_pixel; | |
2615 xgcv.background = mw->menu.foreground; | |
2616 mw->menu.background_gc = XtGetGC ((Widget) mw, flags, &xgcv); | |
2617 | |
2618 xgcv.foreground = mw->menu.foreground; | |
2619 xgcv.background = mw->core.background_pixel; | |
2620 mw->menu.foreground_gc = XtGetGC ((Widget) mw, flags, &xgcv); | |
2621 | |
2622 if (mw->menu.select_color != (Pixel)-1) | |
2623 { | |
2624 xgcv.foreground = mw->menu.select_color; | |
2625 } | |
2626 else | |
2627 { | |
2628 Display *dpy = XtDisplay(mw); | |
2629 if (CellsOfScreen(DefaultScreenOfDisplay(dpy)) <= 2) | |
2630 { /* mono */ | |
2631 xgcv.foreground = mw->menu.foreground; | |
2632 } | |
2633 else | |
2634 { /* color */ | |
2635 XColor xcolor; | |
2636 Colormap cmap = mw->core.colormap; | |
2637 xcolor.pixel = mw->core.background_pixel; | |
2638 XQueryColor (dpy, cmap, &xcolor); | |
2639 xcolor.red = (xcolor.red * 17) / 20; | |
2640 xcolor.green = (xcolor.green * 17) / 20; | |
2641 xcolor.blue = (xcolor.blue * 17) / 20; | |
2642 if (allocate_nearest_color (dpy, cmap, &xcolor)) | |
2643 xgcv.foreground = xcolor.pixel; | |
2644 } | |
2645 } | |
2646 xgcv.background = mw->core.background_pixel; | |
2647 mw->menu.select_gc = XtGetGC ((Widget)mw, flags, &xgcv); | |
2648 | |
2649 xgcv.foreground = mw->menu.foreground; | |
2650 xgcv.background = mw->core.background_pixel; | |
2651 xgcv.fill_style = FillStippled; | |
2652 xgcv.stipple = mw->menu.gray_pixmap; | |
2653 mw->menu.inactive_gc = XtGetGC ((Widget)mw, | |
2654 (flags | GCFillStyle | GCStipple), | |
2655 &xgcv); | |
2656 | |
2657 xgcv.foreground = mw->menu.highlight_foreground; | |
2658 xgcv.background = mw->core.background_pixel; | |
2659 mw->menu.highlight_gc = XtGetGC ((Widget)mw, flags, &xgcv); | |
2660 | |
2661 xgcv.foreground = mw->menu.title_foreground; | |
2662 xgcv.background = mw->core.background_pixel; | |
2663 mw->menu.title_gc = XtGetGC ((Widget)mw, flags, &xgcv); | |
2664 | |
2665 xgcv.foreground = mw->menu.button_foreground; | |
2666 xgcv.background = mw->core.background_pixel; | |
2667 mw->menu.button_gc = XtGetGC ((Widget)mw, flags, &xgcv); | |
2668 | |
2669 xgcv.fill_style = FillStippled; | |
2670 xgcv.stipple = mw->menu.gray_pixmap; | |
2671 mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, | |
2672 (flags | GCFillStyle | GCStipple), | |
2673 &xgcv); | |
2674 } | |
2675 | |
2676 static void | |
2677 release_drawing_gcs (XlwMenuWidget mw) | |
2678 { | |
2679 XtReleaseGC ((Widget) mw, mw->menu.foreground_gc); | |
2680 XtReleaseGC ((Widget) mw, mw->menu.button_gc); | |
2681 XtReleaseGC ((Widget) mw, mw->menu.highlight_gc); | |
2682 XtReleaseGC ((Widget) mw, mw->menu.title_gc); | |
2683 XtReleaseGC ((Widget) mw, mw->menu.inactive_gc); | |
2684 XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc); | |
2685 XtReleaseGC ((Widget) mw, mw->menu.background_gc); | |
2686 XtReleaseGC ((Widget) mw, mw->menu.select_gc); | |
2687 /* let's get some segvs if we try to use these... */ | |
2688 mw->menu.foreground_gc = (GC) -1; | |
2689 mw->menu.button_gc = (GC) -1; | |
2690 mw->menu.highlight_gc = (GC) -1; | |
2691 mw->menu.title_gc = (GC) -1; | |
2692 mw->menu.inactive_gc = (GC) -1; | |
2693 mw->menu.inactive_button_gc = (GC) -1; | |
2694 mw->menu.background_gc = (GC) -1; | |
2695 mw->menu.select_gc = (GC) -1; | |
2696 } | |
2697 | |
2698 #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \ | |
2699 ? ((unsigned long) (x)) : ((unsigned long) (y))) | |
2700 | |
2701 static void | |
2702 make_shadow_gcs (XlwMenuWidget mw) | |
2703 { | |
2704 XGCValues xgcv; | |
2705 unsigned long pm = 0; | |
2706 Display *dpy = XtDisplay ((Widget) mw); | |
2707 Colormap cmap = mw->core.colormap; | |
2708 XColor topc, botc; | |
2709 int top_frobbed = 0, bottom_frobbed = 0; | |
2710 | |
2711 if (mw->menu.top_shadow_color == (Pixel) (-1)) | |
2712 mw->menu.top_shadow_color = mw->core.background_pixel; | |
2713 if (mw->menu.bottom_shadow_color == (Pixel) (-1)) | |
2714 mw->menu.bottom_shadow_color = mw->menu.foreground; | |
2715 | |
2716 if (mw->menu.top_shadow_color == mw->core.background_pixel || | |
2717 mw->menu.top_shadow_color == mw->menu.foreground) | |
2718 { | |
2719 topc.pixel = mw->core.background_pixel; | |
2720 XQueryColor (dpy, cmap, &topc); | |
2721 /* don't overflow/wrap! */ | |
2722 topc.red = MINL (65535, topc.red * 1.2); | |
2723 topc.green = MINL (65535, topc.green * 1.2); | |
2724 topc.blue = MINL (65535, topc.blue * 1.2); | |
2725 if (allocate_nearest_color (dpy, cmap, &topc)) | |
2726 { | |
2727 if (topc.pixel == mw->core.background_pixel) | |
2728 { | |
2729 XFreeColors( dpy, cmap, &topc.pixel, 1, 0); | |
2730 topc.red = MINL (65535, topc.red + 0x8000); | |
2731 topc.green = MINL (65535, topc.green + 0x8000); | |
2732 topc.blue = MINL (65535, topc.blue + 0x8000); | |
2733 if (allocate_nearest_color (dpy, cmap, &topc)) | |
2734 { | |
2735 mw->menu.top_shadow_color = topc.pixel; | |
2736 } | |
2737 } | |
2738 else | |
2739 { | |
2740 mw->menu.top_shadow_color = topc.pixel; | |
2741 } | |
2742 | |
2743 top_frobbed = 1; | |
2744 } | |
2745 } | |
2746 if (mw->menu.bottom_shadow_color == mw->menu.foreground || | |
2747 mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
2748 { | |
2749 botc.pixel = mw->core.background_pixel; | |
2750 XQueryColor (dpy, cmap, &botc); | |
2751 botc.red = (botc.red * 3) / 5; | |
2752 botc.green = (botc.green * 3) / 5; | |
2753 botc.blue = (botc.blue * 3) / 5; | |
2754 if (allocate_nearest_color (dpy, cmap, &botc)) | |
2755 { | |
2756 if (botc.pixel == mw->core.background_pixel) | |
2757 { | |
2758 XFreeColors (dpy, cmap, &botc.pixel, 1, 0); | |
2759 botc.red = MINL (65535, botc.red + 0x4000); | |
2760 botc.green = MINL (65535, botc.green + 0x4000); | |
2761 botc.blue = MINL (65535, botc.blue + 0x4000); | |
2762 if (allocate_nearest_color (dpy, cmap, &botc)) | |
2763 { | |
2764 mw->menu.bottom_shadow_color = botc.pixel; | |
2765 } | |
2766 } | |
2767 else | |
2768 { | |
2769 mw->menu.bottom_shadow_color = botc.pixel; | |
2770 } | |
2771 | |
2772 bottom_frobbed = 1; | |
2773 } | |
2774 } | |
2775 | |
2776 if (top_frobbed && bottom_frobbed) | |
2777 { | |
2778 int top_avg = ((topc.red / 3) + (topc.green / 3) + (topc.blue / 3)); | |
2779 int bot_avg = ((botc.red / 3) + (botc.green / 3) + (botc.blue / 3)); | |
2780 if (bot_avg > top_avg) | |
2781 { | |
2782 Pixel tmp = mw->menu.top_shadow_color; | |
2783 mw->menu.top_shadow_color = mw->menu.bottom_shadow_color; | |
2784 mw->menu.bottom_shadow_color = tmp; | |
2785 } | |
2786 else if (topc.pixel == botc.pixel) | |
2787 { | |
2788 if (botc.pixel == mw->menu.foreground) | |
2789 mw->menu.top_shadow_color = mw->core.background_pixel; | |
2790 else | |
2791 mw->menu.bottom_shadow_color = mw->menu.foreground; | |
2792 } | |
2793 } | |
2794 | |
2795 if (!mw->menu.top_shadow_pixmap && | |
2796 mw->menu.top_shadow_color == mw->core.background_pixel) | |
2797 { | |
2798 mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap; | |
2799 mw->menu.top_shadow_color = mw->menu.foreground; | |
2800 } | |
2801 if (!mw->menu.bottom_shadow_pixmap && | |
2802 mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
2803 { | |
2804 mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap; | |
2805 mw->menu.bottom_shadow_color = mw->menu.foreground; | |
2806 } | |
2807 | |
2808 xgcv.fill_style = FillOpaqueStippled; | |
2809 xgcv.foreground = mw->menu.top_shadow_color; | |
2810 xgcv.background = mw->core.background_pixel; | |
2811 /* xgcv.stipple = mw->menu.top_shadow_pixmap; gtb */ | |
2812 #ifdef NEED_MOTIF | |
2813 if (mw->menu.top_shadow_pixmap && | |
2814 mw->menu.top_shadow_pixmap != XmUNSPECIFIED_PIXMAP) | |
2815 xgcv.stipple = mw->menu.top_shadow_pixmap; | |
2816 else | |
2817 xgcv.stipple = 0; | |
2818 #else | |
2819 xgcv.stipple = mw->menu.top_shadow_pixmap; | |
2820 #endif /* NEED_MOTIF */ | |
2821 pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
2822 mw->menu.shadow_top_gc = | |
2823 XtGetGC((Widget)mw, GCForeground|GCBackground|pm, &xgcv); | |
2824 | |
2825 xgcv.foreground = mw->menu.bottom_shadow_color; | |
2826 /* xgcv.stipple = mw->menu.bottom_shadow_pixmap; gtb */ | |
2827 #ifdef NEED_MOTIF | |
2828 if (mw->menu.bottom_shadow_pixmap && | |
2829 mw->menu.bottom_shadow_pixmap != XmUNSPECIFIED_PIXMAP) | |
2830 xgcv.stipple = mw->menu.bottom_shadow_pixmap; | |
2831 else | |
2832 xgcv.stipple = 0; | |
2833 #else | |
2834 xgcv.stipple = mw->menu.bottom_shadow_pixmap; | |
2835 #endif /* NEED_MOTIF */ | |
2836 pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
2837 mw->menu.shadow_bottom_gc = | |
2838 XtGetGC ((Widget)mw, GCForeground|GCBackground|pm, &xgcv); | |
2839 } | |
2840 | |
2841 | |
2842 static void | |
2843 release_shadow_gcs (XlwMenuWidget mw) | |
2844 { | |
2845 XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc); | |
2846 XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc); | |
2847 } | |
2848 | |
2849 | |
2850 static void | |
2851 extract_font_extents (XlwMenuWidget mw) | |
2852 { | |
2853 #ifdef NEED_MOTIF | |
2854 /* Find the maximal ascent/descent of the fonts in the font list | |
2855 so that all menu items can be the same height... */ | |
2856 mw->menu.font_ascent = 0; | |
2857 mw->menu.font_descent = 0; | |
2858 | |
2859 { | |
2860 XmFontContext context; | |
2861 #if (XmVersion >= 1002) | |
2862 XmFontListEntry fontentry; | |
2863 #else | |
2864 XmStringCharSet charset; | |
2865 #endif | |
2866 XFontStruct *font; | |
2867 | |
2868 if (! XmFontListInitFontContext (&context, mw->menu.font_list)) | |
2869 abort (); | |
2870 #if (XmVersion >= 1002) | |
2871 /* There is a BUG in the 1.2 version of XmFontListGetNextFont() (or more | |
2872 specifically, in _XmGetFirstFont()) that can cause a null pointer to be | |
2873 passed to XFontsOfFontSet. Use XmFontListNextEntry(), which is the | |
2874 newer equivalent, instead. Also, it supports font sets, and the | |
2875 older function doesn't. */ | |
2876 while ((fontentry = XmFontListNextEntry (context))) | |
2877 { | |
2878 XmFontType rettype; | |
2879 | |
2880 XtPointer one_of_them = XmFontListEntryGetFont (fontentry, &rettype); | |
2881 if (rettype == XmFONT_IS_FONTSET) | |
2882 { | |
2883 XFontSet fontset = (XFontSet) one_of_them; | |
2884 XFontStruct **fontstruct_list; | |
2885 char **fontname_list; | |
2886 int fontcount = XFontsOfFontSet (fontset, &fontstruct_list, | |
2887 &fontname_list); | |
2888 while (--fontcount >= 0) | |
2889 { | |
2890 font = fontstruct_list[fontcount]; | |
2891 if (font->ascent > (int) mw->menu.font_ascent) | |
2892 mw->menu.font_ascent = font->ascent; | |
2893 if (font->descent > (int) mw->menu.font_descent) | |
2894 mw->menu.font_descent = font->descent; | |
2895 } | |
2896 } | |
2897 else /* XmFONT_IS_FONT */ | |
2898 { | |
2899 font = (XFontStruct *) one_of_them; | |
2900 if (font->ascent > (int) mw->menu.font_ascent) | |
2901 mw->menu.font_ascent = font->ascent; | |
2902 if (font->descent > (int) mw->menu.font_descent) | |
2903 mw->menu.font_descent = font->descent; | |
2904 } | |
2905 } | |
2906 #else /* motif 1.1 */ | |
2907 while (XmFontListGetNextFont (context, &charset, &font)) | |
2908 { | |
2909 if (font->ascent > (int) mw->menu.font_ascent) | |
2910 mw->menu.font_ascent = font->ascent; | |
2911 if (font->descent > (int) mw->menu.font_descent) | |
2912 mw->menu.font_descent = font->descent; | |
2913 XtFree (charset); | |
2914 } | |
2915 #endif /* Motif version */ | |
2916 XmFontListFreeFontContext (context); | |
2917 } | |
2918 #else /* Not Motif */ | |
2919 # ifdef USE_XFONTSET | |
2920 XFontStruct **fontstruct_list; | |
2921 char **fontname_list; | |
2922 XFontStruct *font; | |
2923 int fontcount = XFontsOfFontSet(mw->menu.font_set, &fontstruct_list, | |
2924 &fontname_list); | |
2925 mw->menu.font_ascent = 0; | |
2926 mw->menu.font_descent = 0; | |
2927 # if 0 /* nasty, personal debug, Kazz */ | |
2928 fprintf(stderr, "fontSet count is %d\n", fontcount); | |
2929 # endif | |
2930 while (--fontcount >= 0) { | |
2931 font = fontstruct_list[fontcount]; | |
2932 if (font->ascent > (int) mw->menu.font_ascent) | |
2933 mw->menu.font_ascent = font->ascent; | |
2934 if (font->descent > (int) mw->menu.font_descent) | |
2935 mw->menu.font_descent = font->descent; | |
2936 } | |
2937 # else /* ! USE_XFONTSET */ | |
2938 mw->menu.font_ascent = mw->menu.font->ascent; | |
2939 mw->menu.font_descent = mw->menu.font->descent; | |
2940 # endif | |
2941 #endif /* NEED_MOTIF */ | |
2942 } | |
2943 | |
2944 #ifdef NEED_MOTIF | |
2945 static XFontStruct * | |
2946 default_font_of_font_list (XmFontList font_list) | |
2947 { | |
2948 XFontStruct *font = 0; | |
2949 # if 0 | |
2950 /* Xm/Label.c does this: */ | |
2951 _XmFontListGetDefaultFont (font_list, &font); | |
2952 # else /* !0 */ | |
2953 { | |
2954 XmFontContext context; | |
2955 #if (XmVersion >= 1002) | |
2956 XmFontListEntry fontentry; | |
2957 XmFontType rettype; | |
2958 XtPointer one_of_them; | |
2959 #else | |
2960 XmStringCharSet charset; | |
2961 #endif | |
2962 | |
2963 if (! XmFontListInitFontContext (&context, font_list)) | |
2964 abort (); | |
2965 #if (XmVersion >= 1002) | |
2966 /* There is a BUG in the 1.2 version of XmFontListGetNextFont() (or more | |
2967 specifically, in _XmGetFirstFont()) that can cause a null pointer to be | |
2968 passed to XFontsOfFontSet. Use XmFontListNextEntry(), which is the | |
2969 newer equivalent, instead. */ | |
2970 fontentry = XmFontListNextEntry (context); | |
2971 one_of_them = XmFontListEntryGetFont (fontentry, &rettype); | |
2972 if (rettype == XmFONT_IS_FONTSET) | |
2973 { | |
2974 XFontSet fontset = (XFontSet) one_of_them; | |
2975 XFontStruct **fontstruct_list; | |
2976 char **fontname_list; | |
2977 (void) XFontsOfFontSet (fontset, &fontstruct_list, &fontname_list); | |
2978 font = fontstruct_list[0]; | |
2979 } | |
2980 else /* XmFONT_IS_FONT */ | |
2981 { | |
2982 font = (XFontStruct *) one_of_them; | |
2983 } | |
2984 #else | |
2985 if (! XmFontListGetNextFont (context, &charset, &font)) | |
2986 abort (); | |
2987 XtFree (charset); | |
2988 #endif | |
2989 XmFontListFreeFontContext (context); | |
2990 } | |
2991 # endif /* !0 */ | |
2992 | |
2993 if (! font) abort (); | |
2994 return font; | |
2995 } | |
2996 #endif /* NEED_MOTIF */ | |
2997 | |
2998 static void | |
2999 XlwMenuInitialize (Widget request, Widget new, ArgList args, | |
3000 Cardinal *num_args) | |
3001 { | |
3002 /* Get the GCs and the widget size */ | |
3003 XlwMenuWidget mw = (XlwMenuWidget)new; | |
3004 | |
3005 XSetWindowAttributes xswa; | |
3006 int mask; | |
3007 | |
3008 Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
3009 Display *display = XtDisplay (mw); | |
3010 | |
3011 /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */ | |
3012 mw->menu.cursor = mw->menu.cursor_shape; | |
3013 | |
3014 mw->menu.gray_pixmap = | |
3015 XCreatePixmapFromBitmapData (display, window, (char *) gray_bits, | |
3016 gray_width, gray_height, 1, 0, 1); | |
3017 | |
3018 #ifdef NEED_MOTIF | |
3019 /* The menu.font_list slot came from the *fontList resource (Motif standard.) | |
3020 The menu.font_list_2 slot came from the *font resource, for backward | |
3021 compatibility with older versions of this code, and consistency with the | |
3022 rest of emacs. If both font and fontList are specified, we use font. | |
3023 If only one is specified, we use that. If neither are specified, we | |
3024 use the "fallback" value. What a kludge!!! | |
3025 | |
3026 Note that this has the bug that a more general wildcard like "*fontList:" | |
3027 will override a more specific resource like "Emacs*menubar.font:". But | |
3028 I can't think of a way around that. | |
3029 */ | |
3030 if (mw->menu.font_list) /* if *fontList is specified, use that */ | |
3031 ; | |
3032 else if (mw->menu.font_list_2) /* else if *font is specified, use that */ | |
3033 mw->menu.font_list = mw->menu.font_list_2; | |
3034 else /* otherwise use default */ | |
3035 mw->menu.font_list = mw->menu.fallback_font_list; | |
3036 #endif | |
3037 | |
3038 make_drawing_gcs (mw); | |
3039 make_shadow_gcs (mw); | |
3040 extract_font_extents (mw); | |
3041 | |
3042 xswa.background_pixel = mw->core.background_pixel; | |
3043 xswa.border_pixel = mw->core.border_pixel; | |
3044 mask = CWBackPixel | CWBorderPixel; | |
3045 | |
3046 mw->menu.popped_up = False; | |
3047 mw->menu.pointer_grabbed = False; | |
3048 mw->menu.next_release_must_exit = False; | |
3049 | |
3050 mw->menu.old_depth = 1; | |
3051 mw->menu.old_stack = XtNew (widget_value*); | |
3052 mw->menu.old_stack_length = 1; | |
3053 mw->menu.old_stack [0] = mw->menu.contents; | |
3054 | |
3055 mw->menu.new_depth = 0; | |
3056 mw->menu.new_stack = 0; | |
3057 mw->menu.new_stack_length = 0; | |
3058 push_new_stack (mw, mw->menu.contents); | |
3059 | |
3060 mw->menu.windows = XtNew (window_state); | |
3061 mw->menu.windows_length = 1; | |
3062 mw->menu.windows [0].x = 0; | |
3063 mw->menu.windows [0].y = 0; | |
3064 mw->menu.windows [0].width = 0; | |
3065 mw->menu.windows [0].height = 0; | |
3066 size_menu (mw, 0); | |
3067 | |
3068 mw->core.width = mw->menu.windows [0].width; | |
3069 mw->core.height = mw->menu.windows [0].height; | |
3070 } | |
3071 | |
3072 static void | |
3073 XlwMenuClassInitialize (void) | |
3074 { | |
3075 initialize_massaged_resource_char(); | |
3076 } | |
3077 | |
3078 static void | |
3079 XlwMenuRealize (Widget w, Mask *valueMask, XSetWindowAttributes *attributes) | |
3080 { | |
3081 XlwMenuWidget mw = (XlwMenuWidget)w; | |
3082 XSetWindowAttributes xswa; | |
3083 int mask; | |
3084 | |
3085 (*xlwMenuWidgetClass->core_class.superclass->core_class.realize) | |
3086 (w, valueMask, attributes); | |
3087 | |
3088 xswa.save_under = True; | |
3089 xswa.cursor = mw->menu.cursor_shape; | |
3090 mask = CWSaveUnder | CWCursor; | |
3091 if (mw->menu.use_backing_store) | |
3092 { | |
3093 xswa.backing_store = Always; | |
3094 mask |= CWBackingStore; | |
3095 } | |
3096 XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa); | |
3097 | |
3098 mw->menu.windows [0].window = XtWindow (w); | |
3099 mw->menu.windows [0].x = w->core.x; | |
3100 mw->menu.windows [0].y = w->core.y; | |
3101 mw->menu.windows [0].width = w->core.width; | |
3102 mw->menu.windows [0].height = w->core.height; | |
3103 } | |
3104 | |
3105 /* Only the toplevel menubar/popup is a widget so it's the only one that | |
3106 receives expose events through Xt. So we repaint all the other panes | |
3107 when receiving an Expose event. */ | |
3108 static void | |
3109 XlwMenuRedisplay (Widget w, XEvent *ev, Region region) | |
3110 { | |
3111 XlwMenuWidget mw = (XlwMenuWidget)w; | |
3112 int i; | |
3113 | |
3114 if (mw->core.being_destroyed) return; | |
3115 | |
3116 for (i = 0; i < mw->menu.old_depth; i++) | |
3117 display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL); | |
3118 set_new_state (mw, NULL, mw->menu.old_depth); /* #### - ??? */ | |
3119 remap_menubar (mw); /* #### - do these two lines do anything? */ | |
3120 } | |
3121 | |
3122 static void | |
3123 XlwMenuDestroy (Widget w) | |
3124 { | |
3125 int i; | |
3126 XlwMenuWidget mw = (XlwMenuWidget) w; | |
3127 | |
3128 if (mw->menu.pointer_grabbed) | |
3129 { | |
3130 XtUngrabPointer (w, CurrentTime); | |
3131 mw->menu.pointer_grabbed = False; | |
3132 } | |
3133 | |
3134 release_drawing_gcs (mw); | |
3135 release_shadow_gcs (mw); | |
3136 | |
3137 /* this doesn't come from the resource db but is created explicitly | |
3138 so we must free it ourselves. */ | |
3139 XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap); | |
3140 mw->menu.gray_pixmap = (Pixmap) -1; | |
3141 | |
3142 /* Don't free mw->menu.contents because that comes from our creator. | |
3143 The `*_stack' elements are just pointers into `contents' so leave | |
3144 that alone too. But free the stacks themselves. */ | |
3145 if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack); | |
3146 if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack); | |
3147 | |
3148 /* Remember, you can't free anything that came from the resource | |
3149 database. This includes: | |
3150 mw->menu.cursor | |
3151 mw->menu.top_shadow_pixmap | |
3152 mw->menu.bottom_shadow_pixmap | |
3153 mw->menu.font | |
3154 mw->menu.font_set | |
3155 Also the color cells of top_shadow_color, bottom_shadow_color, | |
3156 foreground, and button_foreground will never be freed until this | |
3157 client exits. Nice, eh? | |
3158 */ | |
3159 | |
3160 /* start from 1 because the one in slot 0 is w->core.window */ | |
3161 for (i = 1; i < mw->menu.windows_length; i++) | |
3162 XDestroyWindow (XtDisplay (mw), mw->menu.windows [i].window); | |
3163 if (mw->menu.windows) | |
3164 XtFree ((char *) mw->menu.windows); | |
3165 } | |
3166 | |
3167 static Boolean | |
3168 XlwMenuSetValues (Widget current, Widget request, Widget new, ArgList args, | |
3169 Cardinal *num_args) | |
3170 { | |
3171 XlwMenuWidget oldmw = (XlwMenuWidget)current; | |
3172 XlwMenuWidget newmw = (XlwMenuWidget)new; | |
3173 Boolean redisplay = False; | |
3174 int i; | |
3175 | |
3176 if (newmw->menu.contents | |
3177 && newmw->menu.contents->contents | |
3178 && newmw->menu.contents->contents->change >= VISIBLE_CHANGE) | |
3179 redisplay = True; | |
3180 | |
3181 if (newmw->core.background_pixel != oldmw->core.background_pixel | |
3182 || newmw->menu.foreground != oldmw->menu.foreground | |
3183 /* For the XEditResource protocol, which may want to change the font. */ | |
3184 #ifdef NEED_MOTIF | |
3185 || newmw->menu.font_list != oldmw->menu.font_list | |
3186 || newmw->menu.font_list_2 != oldmw->menu.font_list_2 | |
3187 || newmw->menu.fallback_font_list != oldmw->menu.fallback_font_list | |
3188 #else | |
3189 || newmw->menu.font != oldmw->menu.font | |
3190 #endif | |
3191 ) | |
3192 { | |
3193 release_drawing_gcs (newmw); | |
3194 make_drawing_gcs (newmw); | |
3195 redisplay = True; | |
3196 | |
3197 for (i = 0; i < oldmw->menu.windows_length; i++) | |
3198 { | |
3199 XSetWindowBackground (XtDisplay (oldmw), | |
3200 oldmw->menu.windows [i].window, | |
3201 newmw->core.background_pixel); | |
3202 /* clear windows and generate expose events */ | |
3203 XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window, | |
3204 0, 0, 0, 0, True); | |
3205 } | |
3206 } | |
3207 | |
3208 return redisplay; | |
3209 } | |
3210 | |
3211 static void | |
3212 XlwMenuResize (Widget w) | |
3213 { | |
3214 XlwMenuWidget mw = (XlwMenuWidget)w; | |
3215 | |
3216 mw->menu.windows [0].width = mw->core.width; | |
3217 mw->menu.windows [0].height = mw->core.height; | |
3218 } | |
3219 | |
3220 /* Action procedures */ | |
3221 static void | |
3222 handle_single_motion_event (XlwMenuWidget mw, XMotionEvent *ev, | |
3223 Boolean select_p) | |
3224 { | |
3225 widget_value *val; | |
3226 Boolean stay_up; | |
3227 int level; | |
3228 | |
3229 if (!map_event_to_widget_value (mw, ev, &val, &level, &stay_up)) | |
3230 { | |
3231 /* we wind up here when: (a) the event is in the menubar, (b) the | |
3232 event isn't in the menubar or any of the panes, (c) the event is on | |
3233 a disabled menu item */ | |
3234 pop_new_stack_if_no_contents (mw); | |
3235 if (select_p && !stay_up) { | |
3236 /* pop down all menus and exit */ | |
3237 mw->menu.next_release_must_exit = True; | |
3238 set_new_state(mw, (val = NULL), 1); | |
3239 } | |
3240 } | |
3241 else | |
3242 { | |
3243 /* we wind up here when: (a) the event pops up a pull_right menu, | |
3244 (b) a menu item that is not disabled is highlighted */ | |
3245 if (select_p && mw->menu.bounce_down | |
3246 && close_to_reference_time((Widget)mw, | |
3247 mw->menu.menu_bounce_time, | |
3248 (XEvent *)ev)) | |
3249 { | |
3250 /* motion can cause more than one event. Don't bounce right back | |
3251 up if we've just bounced down. */ | |
3252 val = NULL; | |
3253 } | |
3254 else if (select_p && mw->menu.bounce_down && | |
3255 mw->menu.last_selected_val && | |
3256 (mw->menu.last_selected_val == val)) | |
3257 { | |
3258 val = NULL; /* assigned to mw->last_selected_val below */ | |
3259 mw->menu.menu_bounce_time = ev->time; | |
3260 /* popdown last menu if we're selecting the same menu item as we did | |
3261 last time and the XlwMenu.bounceDown resource is set, if the | |
3262 item is on the menubar itself, then exit. */ | |
3263 if (level == (mw->menu.popped_up ? 0 : 1)) | |
3264 mw->menu.next_release_must_exit = True; | |
3265 } | |
3266 else | |
3267 mw->menu.menu_bounce_time = 0; | |
3268 set_new_state (mw, val, level); | |
3269 } | |
3270 mw->menu.last_selected_val = val; | |
3271 remap_menubar (mw); | |
3272 | |
3273 /* Sync with the display. Makes it feel better on X terms. */ | |
3274 XFlush (XtDisplay (mw)); | |
3275 } | |
3276 | |
3277 static void | |
3278 handle_motion_event (XlwMenuWidget mw, XMotionEvent *ev, | |
3279 Boolean select_p) | |
3280 { | |
3281 int x = ev->x_root; | |
3282 int y = ev->y_root; | |
3283 unsigned int state = ev->state; | |
3284 XMotionEvent *event= ev, dummy; | |
3285 | |
3286 /* allow motion events to be generated again */ | |
3287 dummy.window = ev->window; | |
3288 if (ev->is_hint | |
3289 && XQueryPointer (XtDisplay (mw), dummy.window, | |
3290 &dummy.root, &dummy.subwindow, | |
3291 &dummy.x_root, &dummy.y_root, | |
3292 &dummy.x, &dummy.y, | |
3293 &dummy.state) | |
3294 && dummy.state == state | |
3295 && (dummy.x_root != x || dummy.y_root != y)) | |
3296 { | |
3297 /* don't handle the event twice or that breaks bounce_down. --Stig */ | |
3298 dummy.type = ev->type; | |
3299 event = &dummy; | |
3300 } | |
3301 | |
3302 lw_menu_accelerate = False; | |
3303 handle_single_motion_event (mw, event, select_p); | |
3304 } | |
3305 | |
3306 Time x_focus_timestamp_really_sucks_fix_me_better; | |
3307 | |
3308 static void | |
3309 Start (Widget w, XEvent *ev, String *params, Cardinal *num_params) | |
3310 { | |
3311 XlwMenuWidget mw = (XlwMenuWidget)w; | |
3312 | |
3313 lw_menubar_widget = w; | |
3314 | |
3315 lw_menu_active = True; | |
3316 | |
3317 if (!mw->menu.pointer_grabbed) | |
3318 { | |
3319 mw->menu.menu_post_time = ev->xbutton.time; | |
3320 mw->menu.menu_bounce_time = 0; | |
3321 mw->menu.next_release_must_exit = True; | |
3322 mw->menu.last_selected_val = NULL; | |
3323 x_focus_timestamp_really_sucks_fix_me_better = | |
3324 ((XButtonPressedEvent*)ev)->time; | |
3325 XtCallCallbackList ((Widget)mw, mw->menu.open, NULL); | |
3326 | |
3327 /* notes the absolute position of the menubar window */ | |
3328 mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
3329 mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
3330 | |
3331 XtGrabPointer ((Widget)mw, False, | |
3332 (ButtonMotionMask | ButtonReleaseMask | ButtonPressMask), | |
3333 GrabModeAsync, GrabModeAsync, | |
3334 None, mw->menu.cursor_shape, | |
3335 ((XButtonPressedEvent*)ev)->time); | |
3336 mw->menu.pointer_grabbed = True; | |
3337 } | |
3338 | |
3339 /* handles the down like a move, slots are mostly compatible */ | |
3340 handle_motion_event (mw, &ev->xmotion, True); | |
3341 } | |
3342 | |
3343 static void | |
3344 Drag (Widget w, XEvent *ev, String *params, Cardinal *num_params) | |
3345 { | |
3346 XlwMenuWidget mw = (XlwMenuWidget)w; | |
3347 handle_motion_event (mw, &ev->xmotion, False); | |
3348 } | |
3349 | |
3350 static void | |
3351 Select (Widget w, XEvent *ev, String *params, Cardinal *num_params) | |
3352 { | |
3353 XlwMenuWidget mw = (XlwMenuWidget)w; | |
3354 widget_value *selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
3355 | |
3356 lw_menu_accelerate = False; | |
3357 | |
3358 /* If user releases the button quickly, without selecting anything, | |
3359 after the initial down-click that brought the menu up, | |
3360 do nothing. */ | |
3361 if ((selected_item == 0 || selected_item->call_data == 0) | |
3362 && (!mw->menu.next_release_must_exit | |
3363 || close_to_reference_time(w, mw->menu.menu_post_time, ev))) | |
3364 { | |
3365 mw->menu.next_release_must_exit = False; | |
3366 return; | |
3367 } | |
3368 | |
3369 /* pop down everything */ | |
3370 mw->menu.new_depth = 1; | |
3371 remap_menubar (mw); | |
3372 | |
3373 /* Destroy() only gets called for popup menus. Menubar widgets aren't | |
3374 destroyed when their menu panes get nuked. */ | |
3375 if (mw->menu.pointer_grabbed) | |
3376 { | |
3377 XtUngrabPointer ((Widget)w, ev->xmotion.time); | |
3378 mw->menu.pointer_grabbed = False; | |
3379 } | |
3380 | |
3381 if (mw->menu.popped_up) | |
3382 { | |
3383 mw->menu.popped_up = False; | |
3384 XtPopdown (XtParent (mw)); | |
3385 } | |
3386 | |
3387 lw_menu_active = False; | |
3388 | |
3389 x_focus_timestamp_really_sucks_fix_me_better = | |
3390 ((XButtonPressedEvent*)ev)->time; | |
3391 | |
3392 /* callback */ | |
3393 XtCallCallbackList ((Widget) mw, mw->menu.select, (XtPointer) selected_item); | |
3394 } | |
3395 | |
3396 /* Action procedures for keyboard accelerators */ | |
3397 | |
3398 /* set the menu */ | |
3399 void | |
3400 xlw_set_menu (Widget w, widget_value *val) | |
3401 { | |
3402 lw_menubar_widget = w; | |
3403 set_new_state ((XlwMenuWidget)w, val, 1); | |
3404 } | |
3405 | |
3406 /* prepare the menu structure via the call-backs */ | |
3407 void | |
3408 xlw_map_menu (Time t) | |
3409 { | |
3410 XlwMenuWidget mw = (XlwMenuWidget)lw_menubar_widget; | |
3411 | |
3412 lw_menu_accelerate = True; | |
3413 | |
3414 if (!mw->menu.pointer_grabbed) | |
3415 { | |
3416 XWindowAttributes ret; | |
3417 Window parent,root; | |
3418 Window *waste; | |
3419 unsigned int num_waste; | |
3420 | |
3421 lw_menu_active = True; | |
3422 | |
3423 mw->menu.menu_post_time = t; | |
3424 mw->menu.menu_bounce_time = 0; | |
3425 | |
3426 mw->menu.next_release_must_exit = True; | |
3427 mw->menu.last_selected_val = NULL; | |
3428 | |
3429 XtCallCallbackList ((Widget)mw, mw->menu.open, NULL); | |
3430 | |
3431 /* do this for keyboards too! */ | |
3432 /* notes the absolute position of the menubar window */ | |
3433 /* | |
3434 mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
3435 mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
3436 */ | |
3437 | |
3438 /* get the geometry of the menubar */ | |
3439 | |
3440 /* there has to be a better way than this. */ | |
3441 | |
3442 mw->menu.windows [0].x = 0; | |
3443 mw->menu.windows [0].y = 0; | |
3444 | |
3445 parent = XtWindow (lw_menubar_widget); | |
3446 do | |
3447 { | |
3448 XGetWindowAttributes (XtDisplay (lw_menubar_widget), parent, &ret); | |
3449 mw->menu.windows [0].x += ret.x; | |
3450 mw->menu.windows [0].y += ret.y; | |
3451 | |
3452 if (parent) | |
3453 XQueryTree (XtDisplay (lw_menubar_widget), parent, &root, &parent, &waste, | |
3454 &num_waste); | |
3455 if (waste) | |
3456 { | |
3457 XFree (waste); | |
3458 } | |
3459 } | |
3460 while (parent != root); | |
3461 | |
3462 XtGrabPointer ((Widget)mw, False, | |
3463 (ButtonMotionMask | ButtonReleaseMask | ButtonPressMask), | |
3464 GrabModeAsync, GrabModeAsync, | |
3465 None, mw->menu.cursor_shape, t); | |
3466 mw->menu.pointer_grabbed = True; | |
3467 } | |
3468 } | |
3469 | |
3470 /* display the stupid menu already */ | |
3471 void | |
3472 xlw_display_menu (Time t) | |
3473 { | |
3474 XlwMenuWidget mw = (XlwMenuWidget)lw_menubar_widget; | |
3475 | |
3476 lw_menu_accelerate = True; | |
3477 | |
3478 remap_menubar (mw); | |
3479 | |
3480 /* Sync with the display. Makes it feel better on X terms. */ | |
3481 XFlush (XtDisplay (mw)); | |
3482 } | |
3483 | |
3484 /* push a sub menu */ | |
3485 void | |
3486 xlw_push_menu (widget_value *val) | |
3487 { | |
3488 push_new_stack ((XlwMenuWidget)lw_menubar_widget, val); | |
3489 } | |
3490 | |
3491 /* pop a sub menu */ | |
3492 int | |
3493 xlw_pop_menu (void) | |
3494 { | |
3495 if (((XlwMenuWidget)lw_menubar_widget)->menu.new_depth > 0) | |
3496 ((XlwMenuWidget)lw_menubar_widget)->menu.new_depth --; | |
3497 else | |
3498 return 0; | |
3499 return 1; | |
3500 } | |
3501 | |
3502 void | |
3503 xlw_kill_menus (widget_value *val) | |
3504 { | |
3505 XlwMenuWidget mw = (XlwMenuWidget)lw_menubar_widget; | |
3506 | |
3507 lw_menu_accelerate = False; | |
3508 | |
3509 mw->menu.new_depth = 1; | |
3510 remap_menubar (mw); | |
3511 | |
3512 if (mw->menu.pointer_grabbed) | |
3513 { | |
3514 XtUngrabPointer (lw_menubar_widget, CurrentTime); | |
3515 mw->menu.pointer_grabbed = False; | |
3516 } | |
3517 | |
3518 lw_menu_active = False; | |
3519 XtCallCallbackList (lw_menubar_widget, mw->menu.select, (XtPointer)val); | |
3520 } | |
3521 | |
3522 /* set the menu item */ | |
3523 void | |
3524 xlw_set_item (widget_value *val) | |
3525 { | |
3526 if (((XlwMenuWidget)lw_menubar_widget)->menu.new_depth > 0) | |
3527 ((XlwMenuWidget) lw_menubar_widget)->menu.new_depth --; | |
3528 push_new_stack ((XlwMenuWidget) lw_menubar_widget, val); | |
3529 } | |
3530 | |
3531 /* get either the current entry or a list of all entries in the current submenu */ | |
3532 widget_value * | |
3533 xlw_get_entries (int allp) | |
3534 { | |
3535 XlwMenuWidget mw = (XlwMenuWidget)lw_menubar_widget; | |
3536 if (allp) | |
3537 { | |
3538 if (mw->menu.new_depth >= 2) | |
3539 return mw->menu.new_stack [mw->menu.new_depth - 2]->contents; | |
3540 else | |
3541 return mw->menu.new_stack[0]; | |
3542 } | |
3543 else | |
3544 if (mw->menu.new_depth >= 1) | |
3545 return mw->menu.new_stack [mw->menu.new_depth - 1]; | |
3546 | |
3547 return NULL; | |
3548 } | |
3549 | |
3550 int | |
3551 xlw_menu_level (void) | |
3552 { | |
3553 return ((XlwMenuWidget)lw_menubar_widget)->menu.new_depth; | |
3554 } | |
3555 | |
3556 | |
3557 /* Special code to pop-up a menu */ | |
3558 void | |
3559 xlw_pop_up_menu (XlwMenuWidget mw, XButtonPressedEvent *event) | |
3560 { | |
3561 int x = event->x_root; | |
3562 int y = event->y_root; | |
3563 int w; | |
3564 int h; | |
3565 int borderwidth = mw->menu.shadow_thickness; | |
3566 Screen* screen = XtScreen (mw); | |
3567 | |
3568 mw->menu.menu_post_time = event->time; | |
3569 mw->menu.menu_bounce_time = 0; | |
3570 mw->menu.next_release_must_exit = True; | |
3571 mw->menu.last_selected_val = NULL; | |
3572 | |
3573 XtCallCallbackList ((Widget) mw, mw->menu.open, NULL); | |
3574 | |
3575 size_menu (mw, 0); | |
3576 | |
3577 w = mw->menu.windows [0].width; | |
3578 h = mw->menu.windows [0].height; | |
3579 | |
3580 x -= borderwidth; | |
3581 y -= borderwidth; | |
3582 | |
3583 if (x < borderwidth) | |
3584 x = borderwidth; | |
3585 | |
3586 if (x > WidthOfScreen (screen) - w - 2 * borderwidth) | |
3587 x = WidthOfScreen (screen) - w - 2 * borderwidth; | |
3588 | |
3589 if (y < borderwidth) | |
3590 y = borderwidth; | |
3591 | |
3592 if (y > HeightOfScreen (screen) - h - 2 * borderwidth) | |
3593 y = HeightOfScreen (screen) - h - 2 * borderwidth; | |
3594 | |
3595 mw->menu.popped_up = True; | |
3596 XtConfigureWidget (XtParent (mw), x, y, w, h, | |
3597 XtParent (mw)->core.border_width); | |
3598 XtPopup (XtParent (mw), XtGrabExclusive); | |
3599 display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
3600 if (!mw->menu.pointer_grabbed) | |
3601 { | |
3602 XtGrabPointer ((Widget)mw, False, | |
3603 (ButtonMotionMask | ButtonReleaseMask | ButtonPressMask), | |
3604 GrabModeAsync, GrabModeAsync, | |
3605 None, mw->menu.cursor_shape, event->time); | |
3606 mw->menu.pointer_grabbed = True; | |
3607 } | |
3608 | |
3609 mw->menu.windows [0].x = x + borderwidth; | |
3610 mw->menu.windows [0].y = y + borderwidth; | |
3611 | |
3612 handle_motion_event (mw, (XMotionEvent *) event, True); | |
3613 } | |
3614 | |
3615 /* #### unused */ | |
3616 #if 0 | |
3617 /* | |
3618 * This is a horrible function which should not be needed. | |
3619 * use it to put the resize method back the way the XlwMenu | |
3620 * class initializer put it. Motif screws with this when | |
3621 * the XlwMenu class gets instantiated. | |
3622 */ | |
3623 void | |
3624 xlw_unmunge_class_resize (Widget w) | |
3625 { | |
3626 if (w->core.widget_class->core_class.resize != XlwMenuResize) | |
3627 w->core.widget_class->core_class.resize = XlwMenuResize; | |
3628 } | |
3629 #endif /* 0 */ | |
3630 |