Commit | Line | Data |
---|---|---|
07bf635f RS |
1 | /* Implements a lightweight menubar widget. |
2 | Copyright (C) 1992 Lucid, Inc. | |
3 | ||
4 | This file is part of the Lucid Widget Library. | |
5 | ||
6 | The Lucid Widget Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | The Lucid Widget Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
1fb87c77 KH |
17 | along with GNU Emacs; see the file COPYING. If not, write to the |
18 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
07bf635f RS |
20 | |
21 | /* Created by devin@lucid.com */ | |
22 | ||
07bf635f RS |
23 | #include <stdio.h> |
24 | ||
25 | #include <sys/types.h> | |
26 | #include <X11/Xos.h> | |
27 | #include <X11/IntrinsicP.h> | |
2289f3f4 | 28 | #include <X11/ObjectP.h> |
07bf635f RS |
29 | #include <X11/StringDefs.h> |
30 | #include <X11/cursorfont.h> | |
31 | #include <X11/bitmaps/gray> | |
32 | #include "xlwmenuP.h" | |
d398028f PR |
33 | |
34 | static int pointer_grabbed; | |
35 | static XEvent menu_post_event; | |
07bf635f | 36 | |
47d52240 RS |
37 | XFontStruct *xlwmenu_default_font; |
38 | ||
07bf635f RS |
39 | static char |
40 | xlwMenuTranslations [] = | |
ba624d0f RS |
41 | "<BtnDown>: start()\n\ |
42 | <Motion>: drag()\n\ | |
43 | <BtnUp>: select()\n\ | |
44 | <Key>Shift_L: nothing()\n\ | |
45 | <Key>Shift_R: nothing()\n\ | |
46 | <Key>Meta_L: nothing()\n\ | |
47 | <Key>Meta_R: nothing()\n\ | |
48 | <Key>Control_L: nothing()\n\ | |
49 | <Key>Control_R: nothing()\n\ | |
50 | <Key>Hyper_L: nothing()\n\ | |
51 | <Key>Hyper_R: nothing()\n\ | |
52 | <Key>Super_L: nothing()\n\ | |
53 | <Key>Super_R: nothing()\n\ | |
54 | <Key>Alt_L: nothing()\n\ | |
55 | <Key>Alt_R: nothing()\n\ | |
56 | <Key>Caps_Lock: nothing()\n\ | |
57 | <Key>Shift_Lock: nothing()\n\ | |
58 | <KeyUp>Shift_L: nothing()\n\ | |
59 | <KeyUp>Shift_R: nothing()\n\ | |
60 | <KeyUp>Meta_L: nothing()\n\ | |
61 | <KeyUp>Meta_R: nothing()\n\ | |
62 | <KeyUp>Control_L: nothing()\n\ | |
63 | <KeyUp>Control_R: nothing()\n\ | |
64 | <KeyUp>Hyper_L: nothing()\n\ | |
65 | <KeyUp>Hyper_R: nothing()\n\ | |
66 | <KeyUp>Super_L: nothing()\n\ | |
67 | <KeyUp>Super_R: nothing()\n\ | |
68 | <KeyUp>Alt_L: nothing()\n\ | |
69 | <KeyUp>Alt_R: nothing()\n\ | |
70 | <KeyUp>Caps_Lock: nothing()\n\ | |
71 | <KeyUp>Shift_Lock:nothing()\n\ | |
72 | <Key>: key()\n\ | |
73 | <KeyUp>: key()\n\ | |
07bf635f RS |
74 | "; |
75 | ||
76 | #define offset(field) XtOffset(XlwMenuWidget, field) | |
77 | static XtResource | |
78 | xlwMenuResources[] = | |
79 | { | |
80 | {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), | |
81 | offset(menu.font),XtRString, "XtDefaultFont"}, | |
82 | {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), | |
83 | offset(menu.foreground), XtRString, "XtDefaultForeground"}, | |
84 | {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel), | |
85 | offset(menu.button_foreground), XtRString, "XtDefaultForeground"}, | |
86 | {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension), | |
be06a3df | 87 | offset(menu.margin), XtRImmediate, (XtPointer) 4}, |
07bf635f RS |
88 | {XtNhorizontalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), |
89 | offset(menu.horizontal_spacing), XtRImmediate, (XtPointer)3}, | |
90 | {XtNverticalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
91 | offset(menu.vertical_spacing), XtRImmediate, (XtPointer)1}, | |
92 | {XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
93 | offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10}, | |
94 | ||
d398028f | 95 | {XmNshadowThickness, XmCShadowThickness, XtRDimension, |
07bf635f RS |
96 | sizeof (Dimension), offset (menu.shadow_thickness), |
97 | XtRImmediate, (XtPointer) 2}, | |
98 | {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel), | |
99 | offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1}, | |
100 | {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel), | |
101 | offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1}, | |
102 | {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
103 | offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
104 | {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
105 | offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
106 | ||
107 | {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer), | |
108 | offset(menu.open), XtRCallback, (XtPointer)NULL}, | |
109 | {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer), | |
110 | offset(menu.select), XtRCallback, (XtPointer)NULL}, | |
111 | {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer), | |
112 | offset(menu.contents), XtRImmediate, (XtPointer)NULL}, | |
113 | {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor), | |
114 | offset(menu.cursor_shape), XtRString, (XtPointer)"right_ptr"}, | |
115 | {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int), | |
116 | offset(menu.horizontal), XtRImmediate, (XtPointer)True}, | |
117 | }; | |
118 | #undef offset | |
119 | ||
120 | static Boolean XlwMenuSetValues(); | |
121 | static void XlwMenuRealize(); | |
122 | static void XlwMenuRedisplay(); | |
123 | static void XlwMenuResize(); | |
124 | static void XlwMenuInitialize(); | |
125 | static void XlwMenuRedisplay(); | |
126 | static void XlwMenuDestroy(); | |
127 | static void XlwMenuClassInitialize(); | |
128 | static void Start(); | |
129 | static void Drag(); | |
130 | static void Select(); | |
ba624d0f RS |
131 | static void Key(); |
132 | static void Nothing(); | |
be06a3df | 133 | static int separator_height (); |
07bf635f RS |
134 | |
135 | static XtActionsRec | |
136 | xlwMenuActionsList [] = | |
137 | { | |
138 | {"start", Start}, | |
139 | {"drag", Drag}, | |
140 | {"select", Select}, | |
ba624d0f RS |
141 | {"key", Key}, |
142 | {"nothing", Nothing}, | |
07bf635f RS |
143 | }; |
144 | ||
145 | #define SuperClass ((CoreWidgetClass)&coreClassRec) | |
146 | ||
147 | XlwMenuClassRec xlwMenuClassRec = | |
148 | { | |
149 | { /* CoreClass fields initialization */ | |
150 | (WidgetClass) SuperClass, /* superclass */ | |
151 | "XlwMenu", /* class_name */ | |
152 | sizeof(XlwMenuRec), /* size */ | |
153 | XlwMenuClassInitialize, /* class_initialize */ | |
154 | NULL, /* class_part_initialize */ | |
155 | FALSE, /* class_inited */ | |
156 | XlwMenuInitialize, /* initialize */ | |
157 | NULL, /* initialize_hook */ | |
158 | XlwMenuRealize, /* realize */ | |
159 | xlwMenuActionsList, /* actions */ | |
160 | XtNumber(xlwMenuActionsList), /* num_actions */ | |
161 | xlwMenuResources, /* resources */ | |
162 | XtNumber(xlwMenuResources), /* resource_count */ | |
163 | NULLQUARK, /* xrm_class */ | |
164 | TRUE, /* compress_motion */ | |
165 | TRUE, /* compress_exposure */ | |
166 | TRUE, /* compress_enterleave */ | |
167 | FALSE, /* visible_interest */ | |
168 | XlwMenuDestroy, /* destroy */ | |
169 | XlwMenuResize, /* resize */ | |
170 | XlwMenuRedisplay, /* expose */ | |
171 | XlwMenuSetValues, /* set_values */ | |
172 | NULL, /* set_values_hook */ | |
173 | XtInheritSetValuesAlmost, /* set_values_almost */ | |
174 | NULL, /* get_values_hook */ | |
175 | NULL, /* accept_focus */ | |
176 | XtVersion, /* version */ | |
177 | NULL, /* callback_private */ | |
178 | xlwMenuTranslations, /* tm_table */ | |
179 | XtInheritQueryGeometry, /* query_geometry */ | |
180 | XtInheritDisplayAccelerator, /* display_accelerator */ | |
181 | NULL /* extension */ | |
182 | }, /* XlwMenuClass fields initialization */ | |
183 | { | |
184 | 0 /* dummy */ | |
185 | }, | |
186 | }; | |
187 | ||
188 | WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec; | |
189 | ||
d398028f PR |
190 | int submenu_destroyed; |
191 | ||
192 | static int next_release_must_exit; | |
193 | ||
07bf635f | 194 | \f/* Utilities */ |
be06a3df GM |
195 | |
196 | ||
197 | /* Like abort, but remove grabs from widget W before. */ | |
198 | ||
199 | static void | |
200 | abort_gracefully (w) | |
201 | Widget w; | |
202 | { | |
203 | if (XtIsShell (XtParent (w))) | |
204 | XtRemoveGrab (w); | |
205 | XtUngrabPointer (w, CurrentTime); | |
206 | abort (); | |
207 | } | |
208 | ||
07bf635f | 209 | static void |
d398028f PR |
210 | push_new_stack (mw, val) |
211 | XlwMenuWidget mw; | |
212 | widget_value* val; | |
07bf635f RS |
213 | { |
214 | if (!mw->menu.new_stack) | |
215 | { | |
216 | mw->menu.new_stack_length = 10; | |
217 | mw->menu.new_stack = | |
218 | (widget_value**)XtCalloc (mw->menu.new_stack_length, | |
219 | sizeof (widget_value*)); | |
220 | } | |
221 | else if (mw->menu.new_depth == mw->menu.new_stack_length) | |
222 | { | |
223 | mw->menu.new_stack_length *= 2; | |
224 | mw->menu.new_stack = | |
225 | (widget_value**)XtRealloc ((char*)mw->menu.new_stack, | |
226 | mw->menu.new_stack_length * sizeof (widget_value*)); | |
227 | } | |
228 | mw->menu.new_stack [mw->menu.new_depth++] = val; | |
229 | } | |
230 | ||
231 | static void | |
d398028f PR |
232 | pop_new_stack_if_no_contents (mw) |
233 | XlwMenuWidget mw; | |
07bf635f RS |
234 | { |
235 | if (mw->menu.new_depth) | |
236 | { | |
237 | if (!mw->menu.new_stack [mw->menu.new_depth - 1]->contents) | |
238 | mw->menu.new_depth -= 1; | |
239 | } | |
240 | } | |
241 | ||
242 | static void | |
d398028f PR |
243 | make_old_stack_space (mw, n) |
244 | XlwMenuWidget mw; | |
245 | int n; | |
07bf635f RS |
246 | { |
247 | if (!mw->menu.old_stack) | |
248 | { | |
249 | mw->menu.old_stack_length = 10; | |
250 | mw->menu.old_stack = | |
251 | (widget_value**)XtCalloc (mw->menu.old_stack_length, | |
252 | sizeof (widget_value*)); | |
253 | } | |
254 | else if (mw->menu.old_stack_length < n) | |
255 | { | |
256 | mw->menu.old_stack_length *= 2; | |
257 | mw->menu.old_stack = | |
258 | (widget_value**)XtRealloc ((char*)mw->menu.old_stack, | |
259 | mw->menu.old_stack_length * sizeof (widget_value*)); | |
260 | } | |
261 | } | |
262 | ||
263 | \f/* Size code */ | |
d398028f PR |
264 | int |
265 | string_width (mw, s) | |
266 | XlwMenuWidget mw; | |
267 | char *s; | |
07bf635f RS |
268 | { |
269 | XCharStruct xcs; | |
270 | int drop; | |
271 | ||
272 | XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs); | |
273 | return xcs.width; | |
274 | } | |
275 | ||
276 | static int | |
d398028f PR |
277 | arrow_width (mw) |
278 | XlwMenuWidget mw; | |
07bf635f | 279 | { |
be06a3df | 280 | return (mw->menu.font->ascent * 3/4) | 1; |
07bf635f RS |
281 | } |
282 | ||
be06a3df GM |
283 | /* Return the width of toggle buttons of widget MW. */ |
284 | ||
285 | static int | |
286 | toggle_button_width (mw) | |
287 | XlwMenuWidget mw; | |
288 | { | |
289 | return ((mw->menu.font->ascent + mw->menu.font->descent) * 2 / 3) | 1; | |
290 | } | |
291 | ||
292 | ||
293 | /* Return the width of radio buttons of widget MW. */ | |
294 | ||
295 | static int | |
296 | radio_button_width (mw) | |
297 | XlwMenuWidget mw; | |
298 | { | |
299 | return toggle_button_width (mw) * 1.41; | |
300 | } | |
301 | ||
302 | ||
07bf635f RS |
303 | static XtResource |
304 | nameResource[] = | |
305 | { | |
306 | {"labelString", "LabelString", XtRString, sizeof(String), | |
307 | 0, XtRImmediate, 0}, | |
308 | }; | |
309 | ||
310 | static char* | |
d398028f PR |
311 | resource_widget_value (mw, val) |
312 | XlwMenuWidget mw; | |
313 | widget_value *val; | |
07bf635f RS |
314 | { |
315 | if (!val->toolkit_data) | |
316 | { | |
317 | char* resourced_name = NULL; | |
318 | char* complete_name; | |
319 | XtGetSubresources ((Widget) mw, | |
320 | (XtPointer) &resourced_name, | |
321 | val->name, val->name, | |
322 | nameResource, 1, NULL, 0); | |
323 | if (!resourced_name) | |
324 | resourced_name = val->name; | |
325 | if (!val->value) | |
d97342f3 RS |
326 | { |
327 | complete_name = (char *) XtMalloc (strlen (resourced_name) + 1); | |
328 | strcpy (complete_name, resourced_name); | |
329 | } | |
07bf635f RS |
330 | else |
331 | { | |
332 | int complete_length = | |
333 | strlen (resourced_name) + strlen (val->value) + 2; | |
334 | complete_name = XtMalloc (complete_length); | |
335 | *complete_name = 0; | |
336 | strcat (complete_name, resourced_name); | |
337 | strcat (complete_name, " "); | |
338 | strcat (complete_name, val->value); | |
339 | } | |
340 | ||
341 | val->toolkit_data = complete_name; | |
342 | val->free_toolkit_data = True; | |
343 | } | |
344 | return (char*)val->toolkit_data; | |
345 | } | |
346 | ||
347 | /* Returns the sizes of an item */ | |
348 | static void | |
be06a3df GM |
349 | size_menu_item (mw, val, horizontal_p, label_width, rest_width, button_width, |
350 | height) | |
d398028f PR |
351 | XlwMenuWidget mw; |
352 | widget_value* val; | |
353 | int horizontal_p; | |
354 | int* label_width; | |
355 | int* rest_width; | |
be06a3df | 356 | int* button_width; |
d398028f | 357 | int* height; |
07bf635f | 358 | { |
be06a3df GM |
359 | enum menu_separator separator; |
360 | ||
361 | if (lw_separator_p (val->name, &separator, 0)) | |
07bf635f | 362 | { |
be06a3df | 363 | *height = separator_height (separator); |
07bf635f RS |
364 | *label_width = 1; |
365 | *rest_width = 0; | |
be06a3df | 366 | *button_width = 0; |
07bf635f RS |
367 | } |
368 | else | |
369 | { | |
370 | *height = | |
371 | mw->menu.font->ascent + mw->menu.font->descent | |
372 | + 2 * mw->menu.vertical_spacing + 2 * mw->menu.shadow_thickness; | |
373 | ||
374 | *label_width = | |
375 | string_width (mw, resource_widget_value (mw, val)) | |
376 | + mw->menu.horizontal_spacing + mw->menu.shadow_thickness; | |
377 | ||
378 | *rest_width = mw->menu.horizontal_spacing + mw->menu.shadow_thickness; | |
379 | if (!horizontal_p) | |
380 | { | |
381 | if (val->contents) | |
be06a3df | 382 | /* Add width of the arrow displayed for submenus. */ |
07bf635f RS |
383 | *rest_width += arrow_width (mw) + mw->menu.arrow_spacing; |
384 | else if (val->key) | |
be06a3df GM |
385 | /* Add width of key equivalent string. */ |
386 | *rest_width += (string_width (mw, val->key) | |
387 | + mw->menu.arrow_spacing); | |
388 | ||
389 | if (val->button_type == BUTTON_TYPE_TOGGLE) | |
390 | *button_width = (toggle_button_width (mw) | |
391 | + mw->menu.horizontal_spacing); | |
392 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
393 | *button_width = (radio_button_width (mw) | |
394 | + mw->menu.horizontal_spacing); | |
07bf635f RS |
395 | } |
396 | } | |
397 | } | |
398 | ||
399 | static void | |
d398028f PR |
400 | size_menu (mw, level) |
401 | XlwMenuWidget mw; | |
402 | int level; | |
07bf635f | 403 | { |
ccf589a6 | 404 | unsigned int label_width = 0; |
07bf635f | 405 | int rest_width = 0; |
be06a3df | 406 | int button_width = 0; |
07bf635f | 407 | int max_rest_width = 0; |
be06a3df | 408 | int max_button_width = 0; |
ccf589a6 | 409 | unsigned int height = 0; |
07bf635f RS |
410 | int horizontal_p = mw->menu.horizontal && (level == 0); |
411 | widget_value* val; | |
412 | window_state* ws; | |
413 | ||
414 | if (level >= mw->menu.old_depth) | |
be06a3df | 415 | abort_gracefully ((Widget) mw); |
07bf635f RS |
416 | |
417 | ws = &mw->menu.windows [level]; | |
418 | ws->width = 0; | |
419 | ws->height = 0; | |
420 | ws->label_width = 0; | |
be06a3df | 421 | ws->button_width = 0; |
07bf635f RS |
422 | |
423 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
424 | { | |
425 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, | |
be06a3df | 426 | &button_width, &height); |
07bf635f RS |
427 | if (horizontal_p) |
428 | { | |
429 | ws->width += label_width + rest_width; | |
430 | if (height > ws->height) | |
431 | ws->height = height; | |
432 | } | |
433 | else | |
434 | { | |
435 | if (label_width > ws->label_width) | |
436 | ws->label_width = label_width; | |
437 | if (rest_width > max_rest_width) | |
438 | max_rest_width = rest_width; | |
be06a3df GM |
439 | if (button_width > max_button_width) |
440 | max_button_width = button_width; | |
07bf635f RS |
441 | ws->height += height; |
442 | } | |
443 | } | |
444 | ||
445 | if (horizontal_p) | |
be06a3df | 446 | ws->label_width = ws->button_width = 0; |
07bf635f | 447 | else |
be06a3df GM |
448 | { |
449 | ws->width = ws->label_width + max_rest_width + max_button_width; | |
450 | ws->button_width = max_button_width; | |
451 | } | |
07bf635f RS |
452 | |
453 | ws->width += 2 * mw->menu.shadow_thickness; | |
454 | ws->height += 2 * mw->menu.shadow_thickness; | |
be06a3df GM |
455 | |
456 | if (horizontal_p) | |
457 | { | |
458 | ws->width += 2 * mw->menu.margin; | |
459 | ws->height += 2 * mw->menu.margin; | |
460 | } | |
07bf635f RS |
461 | } |
462 | ||
463 | ||
464 | \f/* Display code */ | |
be06a3df | 465 | |
07bf635f | 466 | static void |
be06a3df | 467 | draw_arrow (mw, window, gc, x, y, width, down_p) |
d398028f PR |
468 | XlwMenuWidget mw; |
469 | Window window; | |
470 | GC gc; | |
471 | int x; | |
472 | int y; | |
473 | int width; | |
be06a3df | 474 | int down_p; |
07bf635f | 475 | { |
be06a3df GM |
476 | Display *dpy = XtDisplay (mw); |
477 | GC top_gc = mw->menu.shadow_top_gc; | |
478 | GC bottom_gc = mw->menu.shadow_bottom_gc; | |
479 | int thickness = mw->menu.shadow_thickness; | |
480 | int height = width; | |
481 | XPoint pt[10]; | |
482 | /* alpha = atan (0.5) | |
483 | factor = (1 + sin (alpha)) / cos (alpha) */ | |
484 | double factor = 1.62; | |
485 | int thickness2 = thickness * factor; | |
486 | ||
487 | y += (mw->menu.font->ascent + mw->menu.font->descent - height) / 2; | |
07bf635f | 488 | |
be06a3df GM |
489 | if (down_p) |
490 | { | |
491 | GC temp; | |
492 | temp = top_gc; | |
493 | top_gc = bottom_gc; | |
494 | bottom_gc = temp; | |
495 | } | |
496 | ||
497 | pt[0].x = x; | |
498 | pt[0].y = y + height; | |
499 | pt[1].x = x + thickness; | |
500 | pt[1].y = y + height - thickness2; | |
501 | pt[2].x = x + thickness2; | |
502 | pt[2].y = y + thickness2; | |
503 | pt[3].x = x; | |
504 | pt[3].y = y; | |
505 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
506 | ||
507 | pt[0].x = x; | |
508 | pt[0].y = y; | |
509 | pt[1].x = x + thickness; | |
510 | pt[1].y = y + thickness2; | |
511 | pt[2].x = x + width - thickness2; | |
512 | pt[2].y = y + height / 2; | |
513 | pt[3].x = x + width; | |
514 | pt[3].y = y + height / 2; | |
515 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
516 | ||
517 | pt[0].x = x; | |
518 | pt[0].y = y + height; | |
519 | pt[1].x = x + thickness; | |
520 | pt[1].y = y + height - thickness2; | |
521 | pt[2].x = x + width - thickness2; | |
522 | pt[2].y = y + height / 2; | |
523 | pt[3].x = x + width; | |
524 | pt[3].y = y + height / 2; | |
525 | XFillPolygon (dpy, window, bottom_gc, pt, 4, Convex, CoordModeOrigin); | |
07bf635f RS |
526 | } |
527 | ||
be06a3df GM |
528 | |
529 | ||
07bf635f | 530 | static void |
be06a3df | 531 | draw_shadow_rectangle (mw, window, x, y, width, height, erase_p, down_p) |
d398028f PR |
532 | XlwMenuWidget mw; |
533 | Window window; | |
534 | int x; | |
535 | int y; | |
536 | int width; | |
537 | int height; | |
538 | int erase_p; | |
be06a3df | 539 | int down_p; |
07bf635f RS |
540 | { |
541 | Display *dpy = XtDisplay (mw); | |
542 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
543 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
544 | int thickness = mw->menu.shadow_thickness; | |
545 | XPoint points [4]; | |
be06a3df GM |
546 | |
547 | if (!erase_p && down_p) | |
548 | { | |
549 | GC temp; | |
550 | temp = top_gc; | |
551 | top_gc = bottom_gc; | |
552 | bottom_gc = temp; | |
553 | } | |
554 | ||
07bf635f RS |
555 | points [0].x = x; |
556 | points [0].y = y; | |
557 | points [1].x = x + width; | |
558 | points [1].y = y; | |
559 | points [2].x = x + width - thickness; | |
560 | points [2].y = y + thickness; | |
561 | points [3].x = x; | |
562 | points [3].y = y + thickness; | |
563 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
564 | points [0].x = x; | |
565 | points [0].y = y + thickness; | |
566 | points [1].x = x; | |
567 | points [1].y = y + height; | |
568 | points [2].x = x + thickness; | |
569 | points [2].y = y + height - thickness; | |
570 | points [3].x = x + thickness; | |
571 | points [3].y = y + thickness; | |
572 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
573 | points [0].x = x + width; | |
574 | points [0].y = y; | |
575 | points [1].x = x + width - thickness; | |
576 | points [1].y = y + thickness; | |
577 | points [2].x = x + width - thickness; | |
578 | points [2].y = y + height - thickness; | |
579 | points [3].x = x + width; | |
580 | points [3].y = y + height - thickness; | |
581 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
582 | points [0].x = x; | |
583 | points [0].y = y + height; | |
584 | points [1].x = x + width; | |
585 | points [1].y = y + height; | |
586 | points [2].x = x + width; | |
587 | points [2].y = y + height - thickness; | |
588 | points [3].x = x + thickness; | |
589 | points [3].y = y + height - thickness; | |
590 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
591 | } | |
592 | ||
593 | ||
be06a3df GM |
594 | static void |
595 | draw_shadow_rhombus (mw, window, x, y, width, height, erase_p, down_p) | |
596 | XlwMenuWidget mw; | |
597 | Window window; | |
598 | int x; | |
599 | int y; | |
600 | int width; | |
601 | int height; | |
602 | int erase_p; | |
603 | int down_p; | |
604 | { | |
605 | Display *dpy = XtDisplay (mw); | |
606 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
607 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
608 | int thickness = mw->menu.shadow_thickness; | |
609 | XPoint points [4]; | |
610 | double sqrt2 = 1.4142; | |
611 | ||
612 | if (!erase_p && down_p) | |
613 | { | |
614 | GC temp; | |
615 | temp = top_gc; | |
616 | top_gc = bottom_gc; | |
617 | bottom_gc = temp; | |
618 | } | |
619 | ||
620 | points [0].x = x; | |
621 | points [0].y = y + height / 2; | |
622 | points [1].x = x + thickness; | |
623 | points [1].y = y + height / 2; | |
624 | points [2].x = x + width / 2; | |
625 | points [2].y = y + thickness; | |
626 | points [3].x = x + width / 2; | |
627 | points [3].y = y; | |
628 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
629 | points [0].x = x + width / 2; | |
630 | points [0].y = y; | |
631 | points [1].x = x + width / 2; | |
632 | points [1].y = y + thickness; | |
633 | points [2].x = x + width - thickness; | |
634 | points [2].y = y + height / 2; | |
635 | points [3].x = x + width; | |
636 | points [3].y = y + height / 2; | |
637 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
638 | points [0].x = x; | |
639 | points [0].y = y + height / 2; | |
640 | points [1].x = x + thickness; | |
641 | points [1].y = y + height / 2; | |
642 | points [2].x = x + width / 2; | |
643 | points [2].y = y + height - thickness; | |
644 | points [3].x = x + width / 2; | |
645 | points [3].y = y + height; | |
646 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
647 | points [0].x = x + width / 2; | |
648 | points [0].y = y + height; | |
649 | points [1].x = x + width / 2; | |
650 | points [1].y = y + height - thickness; | |
651 | points [2].x = x + width - thickness; | |
652 | points [2].y = y + height / 2; | |
653 | points [3].x = x + width; | |
654 | points [3].y = y + height / 2; | |
655 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
656 | } | |
657 | ||
658 | ||
659 | /* Draw a toggle button on widget MW, X window WINDOW. X/Y is the | |
660 | top-left corner of the menu item. SELECTED_P non-zero means the | |
661 | toggle button is selected. */ | |
662 | ||
663 | static void | |
664 | draw_toggle (mw, window, x, y, selected_p) | |
665 | XlwMenuWidget mw; | |
666 | Window window; | |
667 | int x, y, selected_p; | |
668 | { | |
669 | int width, height; | |
670 | ||
671 | width = toggle_button_width (mw); | |
672 | height = width; | |
673 | x += mw->menu.horizontal_spacing; | |
674 | y += (mw->menu.font->ascent - height) / 2; | |
675 | draw_shadow_rectangle (mw, window, x, y, width, height, False, selected_p); | |
676 | } | |
677 | ||
678 | ||
679 | /* Draw a radio button on widget MW, X window WINDOW. X/Y is the | |
680 | top-left corner of the menu item. SELECTED_P non-zero means the | |
681 | toggle button is selected. */ | |
682 | ||
683 | static void | |
684 | draw_radio (mw, window, x, y, selected_p) | |
685 | XlwMenuWidget mw; | |
686 | Window window; | |
687 | int x, y, selected_p; | |
688 | { | |
689 | int width, height; | |
690 | ||
691 | width = radio_button_width (mw); | |
692 | height = width; | |
693 | x += mw->menu.horizontal_spacing; | |
694 | y += (mw->menu.font->ascent - height) / 2; | |
695 | draw_shadow_rhombus (mw, window, x, y, width, height, False, selected_p); | |
696 | } | |
697 | ||
698 | ||
699 | /* Draw a menu separator on widget MW, X window WINDOW. X/Y is the | |
700 | top-left corner of the menu item. WIDTH is the width of the | |
701 | separator to draw. TYPE is the separator type. */ | |
702 | ||
703 | static void | |
704 | draw_separator (mw, window, x, y, width, type) | |
705 | XlwMenuWidget mw; | |
706 | Window window; | |
707 | int x, y, width; | |
708 | enum menu_separator type; | |
709 | { | |
710 | Display *dpy = XtDisplay (mw); | |
711 | XGCValues xgcv; | |
712 | ||
713 | switch (type) | |
714 | { | |
715 | case SEPARATOR_NO_LINE: | |
716 | break; | |
717 | ||
718 | case SEPARATOR_SINGLE_LINE: | |
719 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
720 | x, y, x + width, y); | |
721 | break; | |
722 | ||
723 | case SEPARATOR_DOUBLE_LINE: | |
724 | draw_separator (mw, window, x, y, width, SEPARATOR_SINGLE_LINE); | |
725 | draw_separator (mw, window, x, y + 2, width, SEPARATOR_SINGLE_LINE); | |
726 | break; | |
727 | ||
728 | case SEPARATOR_SINGLE_DASHED_LINE: | |
729 | xgcv.line_style = LineOnOffDash; | |
730 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
731 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
732 | x, y, x + width, y); | |
733 | xgcv.line_style = LineSolid; | |
734 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
735 | break; | |
736 | ||
737 | case SEPARATOR_DOUBLE_DASHED_LINE: | |
738 | draw_separator (mw, window, x, y, width, | |
739 | SEPARATOR_SINGLE_DASHED_LINE); | |
740 | draw_separator (mw, window, x, y + 2, width, | |
741 | SEPARATOR_SINGLE_DASHED_LINE); | |
742 | break; | |
743 | ||
744 | case SEPARATOR_SHADOW_ETCHED_IN: | |
745 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
746 | x, y, x + width, y); | |
747 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
748 | x, y + 1, x + width, y + 1); | |
749 | break; | |
750 | ||
751 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
752 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
753 | x, y, x + width, y); | |
754 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
755 | x, y + 1, x + width, y + 1); | |
756 | break; | |
757 | ||
758 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: | |
759 | xgcv.line_style = LineOnOffDash; | |
760 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
761 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
762 | draw_separator (mw, window, x, y, SEPARATOR_SHADOW_ETCHED_IN); | |
763 | xgcv.line_style = LineSolid; | |
764 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
765 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
766 | break; | |
767 | ||
768 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: | |
769 | xgcv.line_style = LineOnOffDash; | |
770 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
771 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
772 | draw_separator (mw, window, x, y, SEPARATOR_SHADOW_ETCHED_OUT); | |
773 | xgcv.line_style = LineSolid; | |
774 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
775 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
776 | break; | |
777 | ||
778 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: | |
779 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN); | |
780 | draw_separator (mw, window, x, y + 3, width, SEPARATOR_SHADOW_ETCHED_IN); | |
781 | break; | |
782 | ||
783 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: | |
784 | draw_separator (mw, window, x, y, width, | |
785 | SEPARATOR_SHADOW_ETCHED_OUT); | |
786 | draw_separator (mw, window, x, y + 3, width, | |
787 | SEPARATOR_SHADOW_ETCHED_OUT); | |
788 | break; | |
789 | ||
790 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: | |
791 | xgcv.line_style = LineOnOffDash; | |
792 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
793 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
794 | draw_separator (mw, window, x, y, width, | |
795 | SEPARATOR_SHADOW_DOUBLE_ETCHED_IN); | |
796 | xgcv.line_style = LineSolid; | |
797 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
798 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
799 | break; | |
800 | ||
801 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
802 | xgcv.line_style = LineOnOffDash; | |
803 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
804 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
805 | draw_separator (mw, window, x, y, width, | |
806 | SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT); | |
807 | xgcv.line_style = LineSolid; | |
808 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
809 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
810 | break; | |
811 | ||
812 | default: | |
813 | abort (); | |
814 | } | |
815 | } | |
816 | ||
817 | ||
818 | /* Return the pixel height of menu separator SEPARATOR. */ | |
819 | ||
820 | static int | |
821 | separator_height (separator) | |
822 | enum menu_separator separator; | |
823 | { | |
824 | switch (separator) | |
825 | { | |
826 | case SEPARATOR_NO_LINE: | |
827 | return 2; | |
828 | ||
829 | case SEPARATOR_SINGLE_LINE: | |
830 | case SEPARATOR_SINGLE_DASHED_LINE: | |
831 | return 1; | |
832 | ||
833 | case SEPARATOR_DOUBLE_LINE: | |
834 | case SEPARATOR_DOUBLE_DASHED_LINE: | |
835 | return 3; | |
836 | ||
837 | case SEPARATOR_SHADOW_ETCHED_IN: | |
838 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
839 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: | |
840 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: | |
841 | return 2; | |
842 | ||
843 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: | |
844 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: | |
845 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: | |
846 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
847 | return 5; | |
848 | ||
849 | default: | |
850 | abort (); | |
851 | } | |
852 | } | |
853 | ||
854 | ||
07bf635f | 855 | /* Display the menu item and increment where.x and where.y to show how large |
be06a3df GM |
856 | the menu item was. */ |
857 | ||
07bf635f | 858 | static void |
be06a3df GM |
859 | display_menu_item (mw, val, ws, where, highlighted_p, horizontal_p, |
860 | just_compute_p) | |
d398028f PR |
861 | XlwMenuWidget mw; |
862 | widget_value* val; | |
863 | window_state* ws; | |
864 | XPoint* where; | |
865 | Boolean highlighted_p; | |
866 | Boolean horizontal_p; | |
867 | Boolean just_compute_p; | |
07bf635f RS |
868 | { |
869 | GC deco_gc; | |
870 | GC text_gc; | |
871 | int font_ascent = mw->menu.font->ascent; | |
872 | int font_descent = mw->menu.font->descent; | |
873 | int shadow = mw->menu.shadow_thickness; | |
be06a3df | 874 | int margin = mw->menu.margin; |
07bf635f RS |
875 | int h_spacing = mw->menu.horizontal_spacing; |
876 | int v_spacing = mw->menu.vertical_spacing; | |
877 | int label_width; | |
878 | int rest_width; | |
be06a3df | 879 | int button_width; |
07bf635f RS |
880 | int height; |
881 | int width; | |
be06a3df GM |
882 | enum menu_separator separator; |
883 | int separator_p = lw_separator_p (val->name, &separator, 0); | |
07bf635f RS |
884 | |
885 | /* compute the sizes of the item */ | |
be06a3df GM |
886 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, |
887 | &button_width, &height); | |
07bf635f RS |
888 | |
889 | if (horizontal_p) | |
890 | width = label_width + rest_width; | |
891 | else | |
892 | { | |
893 | label_width = ws->label_width; | |
894 | width = ws->width - 2 * shadow; | |
895 | } | |
896 | ||
07bf635f RS |
897 | /* Only highlight an enabled item that has a callback. */ |
898 | if (highlighted_p) | |
899 | if (!val->enabled || !(val->call_data || val->contents)) | |
900 | highlighted_p = 0; | |
901 | ||
902 | /* do the drawing. */ | |
903 | if (!just_compute_p) | |
904 | { | |
905 | /* Add the shadow border of the containing menu */ | |
906 | int x = where->x + shadow; | |
907 | int y = where->y + shadow; | |
908 | ||
be06a3df GM |
909 | if (horizontal_p) |
910 | { | |
911 | x += margin; | |
912 | y += margin; | |
913 | } | |
914 | ||
07bf635f RS |
915 | /* pick the foreground and background GC. */ |
916 | if (val->enabled) | |
be06a3df | 917 | text_gc = mw->menu.foreground_gc; |
07bf635f | 918 | else |
be06a3df | 919 | text_gc = mw->menu.inactive_gc; |
07bf635f RS |
920 | deco_gc = mw->menu.foreground_gc; |
921 | ||
922 | if (separator_p) | |
923 | { | |
be06a3df | 924 | draw_separator (mw, ws->window, x, y, width, separator); |
07bf635f RS |
925 | } |
926 | else | |
927 | { | |
84593cae | 928 | int x_offset = x + h_spacing + shadow; |
07bf635f | 929 | char* display_string = resource_widget_value (mw, val); |
be06a3df GM |
930 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, True, |
931 | False); | |
84593cae PR |
932 | |
933 | /* Deal with centering a menu title. */ | |
934 | if (!horizontal_p && !val->contents && !val->call_data) | |
935 | { | |
936 | int l = string_width (mw, display_string); | |
937 | ||
938 | if (width > l) | |
939 | x_offset = (width - l) >> 1; | |
940 | } | |
be06a3df GM |
941 | else if (!horizontal_p && ws->button_width) |
942 | x_offset += ws->button_width; | |
943 | ||
944 | ||
84593cae | 945 | XDrawString (XtDisplay (mw), ws->window, text_gc, x_offset, |
07bf635f RS |
946 | y + v_spacing + shadow + font_ascent, |
947 | display_string, strlen (display_string)); | |
948 | ||
949 | if (!horizontal_p) | |
950 | { | |
be06a3df GM |
951 | if (val->button_type == BUTTON_TYPE_TOGGLE) |
952 | draw_toggle (mw, ws->window, x, y + v_spacing + shadow, | |
953 | val->selected); | |
954 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
955 | draw_radio (mw, ws->window, x, y + v_spacing + shadow, | |
956 | val->selected); | |
957 | ||
07bf635f RS |
958 | if (val->contents) |
959 | { | |
960 | int a_w = arrow_width (mw); | |
961 | draw_arrow (mw, ws->window, deco_gc, | |
be06a3df | 962 | x + width - a_w |
d398028f PR |
963 | - mw->menu.horizontal_spacing |
964 | - mw->menu.shadow_thickness, | |
be06a3df GM |
965 | y + v_spacing + shadow, a_w, |
966 | highlighted_p); | |
07bf635f RS |
967 | } |
968 | else if (val->key) | |
969 | { | |
970 | XDrawString (XtDisplay (mw), ws->window, text_gc, | |
971 | x + label_width + mw->menu.arrow_spacing, | |
972 | y + v_spacing + shadow + font_ascent, | |
973 | val->key, strlen (val->key)); | |
974 | } | |
975 | } | |
d398028f PR |
976 | else |
977 | { | |
978 | XDrawRectangle (XtDisplay (mw), ws->window, | |
979 | mw->menu.background_gc, | |
980 | x + shadow, y + shadow, | |
981 | label_width + h_spacing - 1, | |
982 | font_ascent + font_descent + 2 * v_spacing - 1); | |
983 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, | |
be06a3df | 984 | True, False); |
d398028f | 985 | } |
07bf635f RS |
986 | |
987 | if (highlighted_p) | |
be06a3df GM |
988 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, False, |
989 | False); | |
07bf635f RS |
990 | } |
991 | } | |
992 | ||
993 | where->x += width; | |
994 | where->y += height; | |
995 | } | |
996 | ||
997 | static void | |
d398028f PR |
998 | display_menu (mw, level, just_compute_p, highlighted_pos, hit, hit_return, |
999 | this, that) | |
1000 | XlwMenuWidget mw; | |
1001 | int level; | |
1002 | Boolean just_compute_p; | |
1003 | XPoint* highlighted_pos; | |
1004 | XPoint* hit; | |
1005 | widget_value** hit_return; | |
1006 | widget_value* this; | |
1007 | widget_value* that; | |
07bf635f RS |
1008 | { |
1009 | widget_value* val; | |
1010 | widget_value* following_item; | |
1011 | window_state* ws; | |
1012 | XPoint where; | |
1013 | int horizontal_p = mw->menu.horizontal && (level == 0); | |
1014 | int highlighted_p; | |
1015 | int just_compute_this_one_p; | |
ccc1cac0 RS |
1016 | /* This is set nonzero if the element containing HIGHLIGHTED_POS |
1017 | is disabled, so that we do not return any subsequent element either. */ | |
1018 | int no_return = 0; | |
be06a3df | 1019 | enum menu_separator separator; |
07bf635f RS |
1020 | |
1021 | if (level >= mw->menu.old_depth) | |
be06a3df | 1022 | abort_gracefully ((Widget) mw); |
07bf635f RS |
1023 | |
1024 | if (level < mw->menu.old_depth - 1) | |
1025 | following_item = mw->menu.old_stack [level + 1]; | |
1026 | else | |
1027 | following_item = NULL; | |
1028 | ||
1029 | if (hit) | |
1030 | *hit_return = NULL; | |
1031 | ||
1032 | where.x = 0; | |
1033 | where.y = 0; | |
1034 | ||
1035 | ws = &mw->menu.windows [level]; | |
1036 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
1037 | { | |
1038 | highlighted_p = val == following_item; | |
1039 | if (highlighted_p && highlighted_pos) | |
1040 | { | |
1041 | if (horizontal_p) | |
1042 | highlighted_pos->x = where.x; | |
1043 | else | |
1044 | highlighted_pos->y = where.y; | |
1045 | } | |
1046 | ||
1047 | just_compute_this_one_p = | |
1048 | just_compute_p || ((this || that) && val != this && val != that); | |
1049 | ||
1050 | display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p, | |
1051 | just_compute_this_one_p); | |
1052 | ||
1053 | if (highlighted_p && highlighted_pos) | |
1054 | { | |
1055 | if (horizontal_p) | |
1056 | highlighted_pos->y = where.y; | |
1057 | else | |
1058 | highlighted_pos->x = where.x; | |
1059 | } | |
1060 | ||
1061 | if (hit | |
1062 | && !*hit_return | |
1063 | && (horizontal_p ? hit->x < where.x : hit->y < where.y) | |
be06a3df | 1064 | && !lw_separator_p (val->name, &separator, 0) |
ccc1cac0 RS |
1065 | && !no_return) |
1066 | { | |
1067 | if (val->enabled) | |
1068 | *hit_return = val; | |
1069 | else | |
1070 | no_return = 1; | |
1071 | } | |
07bf635f RS |
1072 | |
1073 | if (horizontal_p) | |
1074 | where.y = 0; | |
1075 | else | |
1076 | where.x = 0; | |
1077 | } | |
1078 | ||
1079 | if (!just_compute_p) | |
be06a3df GM |
1080 | draw_shadow_rectangle (mw, ws->window, 0, 0, ws->width, ws->height, |
1081 | False, False); | |
07bf635f RS |
1082 | } |
1083 | ||
1084 | \f/* Motion code */ | |
1085 | static void | |
d398028f PR |
1086 | set_new_state (mw, val, level) |
1087 | XlwMenuWidget mw; | |
1088 | widget_value* val; | |
1089 | int level; | |
07bf635f RS |
1090 | { |
1091 | int i; | |
1092 | ||
1093 | mw->menu.new_depth = 0; | |
1094 | for (i = 0; i < level; i++) | |
1095 | push_new_stack (mw, mw->menu.old_stack [i]); | |
1096 | push_new_stack (mw, val); | |
1097 | } | |
1098 | ||
1099 | static void | |
d398028f PR |
1100 | make_windows_if_needed (mw, n) |
1101 | XlwMenuWidget mw; | |
1102 | int n; | |
07bf635f RS |
1103 | { |
1104 | int i; | |
1105 | int start_at; | |
1106 | XSetWindowAttributes xswa; | |
1107 | int mask; | |
1108 | Window root = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
1109 | window_state* windows; | |
1110 | ||
1111 | if (mw->menu.windows_length >= n) | |
1112 | return; | |
1113 | ||
1114 | xswa.save_under = True; | |
1115 | xswa.override_redirect = True; | |
1116 | xswa.background_pixel = mw->core.background_pixel; | |
1117 | xswa.border_pixel = mw->core.border_pixel; | |
1118 | xswa.event_mask = | |
d398028f | 1119 | ExposureMask | PointerMotionMask | PointerMotionHintMask |
07bf635f RS |
1120 | | ButtonReleaseMask | ButtonPressMask; |
1121 | xswa.cursor = mw->menu.cursor_shape; | |
1122 | mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
1123 | | CWEventMask | CWCursor; | |
1124 | ||
1125 | if (!mw->menu.windows) | |
1126 | { | |
1127 | mw->menu.windows = | |
1128 | (window_state*)XtMalloc (n * sizeof (window_state)); | |
1129 | start_at = 0; | |
1130 | } | |
1131 | else | |
1132 | { | |
1133 | mw->menu.windows = | |
1134 | (window_state*)XtRealloc ((char*)mw->menu.windows, | |
1135 | n * sizeof (window_state)); | |
1136 | start_at = mw->menu.windows_length; | |
1137 | } | |
1138 | mw->menu.windows_length = n; | |
1139 | ||
1140 | windows = mw->menu.windows; | |
1141 | ||
1142 | for (i = start_at; i < n; i++) | |
1143 | { | |
1144 | windows [i].x = 0; | |
1145 | windows [i].y = 0; | |
1146 | windows [i].width = 1; | |
1147 | windows [i].height = 1; | |
1148 | windows [i].window = | |
1149 | XCreateWindow (XtDisplay (mw), root, 0, 0, 1, 1, | |
1150 | 0, 0, CopyFromParent, CopyFromParent, mask, &xswa); | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | /* Make the window fit in the screen */ | |
1155 | static void | |
d398028f PR |
1156 | fit_to_screen (mw, ws, previous_ws, horizontal_p) |
1157 | XlwMenuWidget mw; | |
1158 | window_state* ws; | |
1159 | window_state* previous_ws; | |
1160 | Boolean horizontal_p; | |
07bf635f | 1161 | { |
ccf589a6 RS |
1162 | unsigned int screen_width = WidthOfScreen (XtScreen (mw)); |
1163 | unsigned int screen_height = HeightOfScreen (XtScreen (mw)); | |
1ba46f7d RS |
1164 | /* 1 if we are unable to avoid an overlap between |
1165 | this menu and the parent menu in the X dimension. */ | |
1166 | int horizontal_overlap = 0; | |
07bf635f RS |
1167 | |
1168 | if (ws->x < 0) | |
1169 | ws->x = 0; | |
1170 | else if (ws->x + ws->width > screen_width) | |
1171 | { | |
1172 | if (!horizontal_p) | |
1173 | ws->x = previous_ws->x - ws->width; | |
1174 | else | |
1175 | ws->x = screen_width - ws->width; | |
525b8232 | 1176 | if (ws->x < 0) |
1ba46f7d RS |
1177 | { |
1178 | ws->x = 0; | |
1179 | horizontal_overlap = 1; | |
1180 | } | |
1181 | } | |
1182 | /* If we overlap in X, try to avoid overlap in Y. */ | |
1183 | if (horizontal_overlap | |
1184 | && ws->y < previous_ws->y + previous_ws->height | |
1185 | && previous_ws->y < ws->y + ws->height) | |
1186 | { | |
1187 | /* Put this menu right below or right above PREVIOUS_WS | |
1188 | if there's room. */ | |
1189 | if (previous_ws->y + previous_ws->height + ws->height < screen_height) | |
1190 | ws->y = previous_ws->y + previous_ws->height; | |
1191 | else if (previous_ws->y - ws->height > 0) | |
1192 | ws->y = previous_ws->y - ws->height; | |
07bf635f | 1193 | } |
1ba46f7d | 1194 | |
07bf635f RS |
1195 | if (ws->y < 0) |
1196 | ws->y = 0; | |
1197 | else if (ws->y + ws->height > screen_height) | |
1198 | { | |
1199 | if (horizontal_p) | |
1200 | ws->y = previous_ws->y - ws->height; | |
1201 | else | |
1202 | ws->y = screen_height - ws->height; | |
525b8232 RS |
1203 | if (ws->y < 0) |
1204 | ws->y = 0; | |
07bf635f RS |
1205 | } |
1206 | } | |
1207 | ||
1208 | /* Updates old_stack from new_stack and redisplays. */ | |
1209 | static void | |
d398028f PR |
1210 | remap_menubar (mw) |
1211 | XlwMenuWidget mw; | |
07bf635f RS |
1212 | { |
1213 | int i; | |
1214 | int last_same; | |
1215 | XPoint selection_position; | |
1216 | int old_depth = mw->menu.old_depth; | |
1217 | int new_depth = mw->menu.new_depth; | |
1218 | widget_value** old_stack; | |
1219 | widget_value** new_stack; | |
1220 | window_state* windows; | |
1221 | widget_value* old_selection; | |
1222 | widget_value* new_selection; | |
1223 | ||
1224 | /* Check that enough windows and old_stack are ready. */ | |
1225 | make_windows_if_needed (mw, new_depth); | |
1226 | make_old_stack_space (mw, new_depth); | |
1227 | windows = mw->menu.windows; | |
1228 | old_stack = mw->menu.old_stack; | |
1229 | new_stack = mw->menu.new_stack; | |
1230 | ||
1231 | /* compute the last identical different entry */ | |
1232 | for (i = 1; i < old_depth && i < new_depth; i++) | |
1233 | if (old_stack [i] != new_stack [i]) | |
1234 | break; | |
1235 | last_same = i - 1; | |
1236 | ||
1237 | /* Memorize the previously selected item to be able to refresh it */ | |
1238 | old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL; | |
1239 | if (old_selection && !old_selection->enabled) | |
1240 | old_selection = NULL; | |
1241 | new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL; | |
1242 | if (new_selection && !new_selection->enabled) | |
1243 | new_selection = NULL; | |
1244 | ||
1245 | /* updates old_state from new_state. It has to be done now because | |
1246 | display_menu (called below) uses the old_stack to know what to display. */ | |
1247 | for (i = last_same + 1; i < new_depth; i++) | |
1248 | old_stack [i] = new_stack [i]; | |
1249 | mw->menu.old_depth = new_depth; | |
1250 | ||
908ff139 | 1251 | /* refresh the last selection */ |
07bf635f RS |
1252 | selection_position.x = 0; |
1253 | selection_position.y = 0; | |
1254 | display_menu (mw, last_same, new_selection == old_selection, | |
1255 | &selection_position, NULL, NULL, old_selection, new_selection); | |
1256 | ||
1ba46f7d RS |
1257 | /* Now place the new menus. */ |
1258 | for (i = last_same + 1; i < new_depth && new_stack[i]->contents; i++) | |
07bf635f | 1259 | { |
1ba46f7d RS |
1260 | window_state *previous_ws = &windows[i - 1]; |
1261 | window_state *ws = &windows[i]; | |
07bf635f | 1262 | |
be06a3df GM |
1263 | ws->x = (previous_ws->x + selection_position.x |
1264 | + mw->menu.shadow_thickness); | |
1265 | if (i == 1) | |
1266 | ws->x += mw->menu.margin; | |
1267 | ||
1268 | #if 0 | |
07bf635f RS |
1269 | if (!mw->menu.horizontal || i > 1) |
1270 | ws->x += mw->menu.shadow_thickness; | |
be06a3df GM |
1271 | #endif |
1272 | ||
1273 | ws->y = (previous_ws->y + selection_position.y | |
1274 | + mw->menu.shadow_thickness); | |
1275 | if (i == 1) | |
1276 | ws->y += mw->menu.margin; | |
07bf635f RS |
1277 | |
1278 | size_menu (mw, i); | |
1279 | ||
1280 | fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1); | |
1281 | ||
1282 | XClearWindow (XtDisplay (mw), ws->window); | |
1283 | XMoveResizeWindow (XtDisplay (mw), ws->window, ws->x, ws->y, | |
1284 | ws->width, ws->height); | |
1285 | XMapRaised (XtDisplay (mw), ws->window); | |
1286 | display_menu (mw, i, False, &selection_position, NULL, NULL, NULL, NULL); | |
1287 | } | |
1288 | ||
1289 | /* unmap the menus that popped down */ | |
1290 | for (i = new_depth - 1; i < old_depth; i++) | |
1ba46f7d RS |
1291 | if (i >= new_depth || !new_stack[i]->contents) |
1292 | XUnmapWindow (XtDisplay (mw), windows[i].window); | |
07bf635f RS |
1293 | } |
1294 | ||
1295 | static Boolean | |
d398028f PR |
1296 | motion_event_is_in_menu (mw, ev, level, relative_pos) |
1297 | XlwMenuWidget mw; | |
1298 | XMotionEvent* ev; | |
1299 | int level; | |
1300 | XPoint* relative_pos; | |
07bf635f RS |
1301 | { |
1302 | window_state* ws = &mw->menu.windows [level]; | |
4f08464c RS |
1303 | int shadow = level == 0 ? 0 : mw->menu.shadow_thickness; |
1304 | int x = ws->x + shadow; | |
1305 | int y = ws->y + shadow; | |
07bf635f RS |
1306 | relative_pos->x = ev->x_root - x; |
1307 | relative_pos->y = ev->y_root - y; | |
4f08464c RS |
1308 | return (x - shadow < ev->x_root && ev->x_root < x + ws->width |
1309 | && y - shadow < ev->y_root && ev->y_root < y + ws->height); | |
07bf635f RS |
1310 | } |
1311 | ||
1312 | static Boolean | |
d398028f PR |
1313 | map_event_to_widget_value (mw, ev, val, level) |
1314 | XlwMenuWidget mw; | |
1315 | XMotionEvent* ev; | |
1316 | widget_value** val; | |
1317 | int* level; | |
07bf635f RS |
1318 | { |
1319 | int i; | |
1320 | XPoint relative_pos; | |
1321 | window_state* ws; | |
1322 | ||
1323 | *val = NULL; | |
1324 | ||
1325 | /* Find the window */ | |
1326 | for (i = mw->menu.old_depth - 1; i >= 0; i--) | |
1327 | { | |
1328 | ws = &mw->menu.windows [i]; | |
1329 | if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos)) | |
1330 | { | |
1331 | display_menu (mw, i, True, NULL, &relative_pos, val, NULL, NULL); | |
1332 | ||
1333 | if (*val) | |
1334 | { | |
1335 | *level = i + 1; | |
1336 | return True; | |
1337 | } | |
1338 | } | |
1339 | } | |
1340 | return False; | |
1341 | } | |
1342 | ||
1343 | \f/* Procedures */ | |
1344 | static void | |
d398028f PR |
1345 | make_drawing_gcs (mw) |
1346 | XlwMenuWidget mw; | |
07bf635f RS |
1347 | { |
1348 | XGCValues xgcv; | |
1349 | ||
1350 | xgcv.font = mw->menu.font->fid; | |
1351 | xgcv.foreground = mw->menu.foreground; | |
1352 | xgcv.background = mw->core.background_pixel; | |
1353 | mw->menu.foreground_gc = XtGetGC ((Widget)mw, | |
1354 | GCFont | GCForeground | GCBackground, | |
1355 | &xgcv); | |
1356 | ||
1357 | xgcv.font = mw->menu.font->fid; | |
1358 | xgcv.foreground = mw->menu.button_foreground; | |
1359 | xgcv.background = mw->core.background_pixel; | |
1360 | mw->menu.button_gc = XtGetGC ((Widget)mw, | |
1361 | GCFont | GCForeground | GCBackground, | |
1362 | &xgcv); | |
1363 | ||
1364 | xgcv.font = mw->menu.font->fid; | |
1365 | xgcv.foreground = mw->menu.foreground; | |
1366 | xgcv.background = mw->core.background_pixel; | |
1367 | xgcv.fill_style = FillStippled; | |
1368 | xgcv.stipple = mw->menu.gray_pixmap; | |
1369 | mw->menu.inactive_gc = XtGetGC ((Widget)mw, | |
1370 | (GCFont | GCForeground | GCBackground | |
1371 | | GCFillStyle | GCStipple), &xgcv); | |
1372 | ||
1373 | xgcv.font = mw->menu.font->fid; | |
1374 | xgcv.foreground = mw->menu.button_foreground; | |
1375 | xgcv.background = mw->core.background_pixel; | |
1376 | xgcv.fill_style = FillStippled; | |
1377 | xgcv.stipple = mw->menu.gray_pixmap; | |
1378 | mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, | |
1379 | (GCFont | GCForeground | GCBackground | |
1380 | | GCFillStyle | GCStipple), &xgcv); | |
1381 | ||
1382 | xgcv.font = mw->menu.font->fid; | |
1383 | xgcv.foreground = mw->core.background_pixel; | |
1384 | xgcv.background = mw->menu.foreground; | |
1385 | mw->menu.background_gc = XtGetGC ((Widget)mw, | |
1386 | GCFont | GCForeground | GCBackground, | |
1387 | &xgcv); | |
1388 | } | |
1389 | ||
1390 | static void | |
d398028f PR |
1391 | release_drawing_gcs (mw) |
1392 | XlwMenuWidget mw; | |
07bf635f RS |
1393 | { |
1394 | XtReleaseGC ((Widget) mw, mw->menu.foreground_gc); | |
1395 | XtReleaseGC ((Widget) mw, mw->menu.button_gc); | |
1396 | XtReleaseGC ((Widget) mw, mw->menu.inactive_gc); | |
1397 | XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc); | |
1398 | XtReleaseGC ((Widget) mw, mw->menu.background_gc); | |
1399 | /* let's get some segvs if we try to use these... */ | |
1400 | mw->menu.foreground_gc = (GC) -1; | |
1401 | mw->menu.button_gc = (GC) -1; | |
1402 | mw->menu.inactive_gc = (GC) -1; | |
1403 | mw->menu.inactive_button_gc = (GC) -1; | |
1404 | mw->menu.background_gc = (GC) -1; | |
1405 | } | |
1406 | ||
1407 | #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \ | |
1408 | ? ((unsigned long) (x)) : ((unsigned long) (y))) | |
1409 | ||
1410 | static void | |
d398028f PR |
1411 | make_shadow_gcs (mw) |
1412 | XlwMenuWidget mw; | |
07bf635f RS |
1413 | { |
1414 | XGCValues xgcv; | |
1415 | unsigned long pm = 0; | |
1416 | Display *dpy = XtDisplay ((Widget) mw); | |
be06a3df GM |
1417 | Screen *screen = XtScreen ((Widget) mw); |
1418 | Colormap cmap = DefaultColormapOfScreen (screen); | |
07bf635f RS |
1419 | XColor topc, botc; |
1420 | int top_frobbed = 0, bottom_frobbed = 0; | |
1421 | ||
1422 | if (mw->menu.top_shadow_color == -1) | |
1423 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
1424 | if (mw->menu.bottom_shadow_color == -1) | |
1425 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
1426 | ||
1427 | if (mw->menu.top_shadow_color == mw->core.background_pixel || | |
1428 | mw->menu.top_shadow_color == mw->menu.foreground) | |
1429 | { | |
1430 | topc.pixel = mw->core.background_pixel; | |
1431 | XQueryColor (dpy, cmap, &topc); | |
1432 | /* don't overflow/wrap! */ | |
1433 | topc.red = MINL (65535, topc.red * 1.2); | |
1434 | topc.green = MINL (65535, topc.green * 1.2); | |
1435 | topc.blue = MINL (65535, topc.blue * 1.2); | |
be06a3df | 1436 | #ifdef emacs |
dd7447cc | 1437 | if (x_alloc_nearest_color_for_widget (mw, cmap, &topc)) |
be06a3df | 1438 | #else |
07bf635f | 1439 | if (XAllocColor (dpy, cmap, &topc)) |
be06a3df | 1440 | #endif |
07bf635f RS |
1441 | { |
1442 | mw->menu.top_shadow_color = topc.pixel; | |
1443 | top_frobbed = 1; | |
1444 | } | |
1445 | } | |
1446 | if (mw->menu.bottom_shadow_color == mw->menu.foreground || | |
1447 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1448 | { | |
1449 | botc.pixel = mw->core.background_pixel; | |
1450 | XQueryColor (dpy, cmap, &botc); | |
1451 | botc.red *= 0.6; | |
1452 | botc.green *= 0.6; | |
1453 | botc.blue *= 0.6; | |
be06a3df | 1454 | #ifdef emacs |
dd7447cc | 1455 | if (x_alloc_nearest_color_for_widget (mw, cmap, &botc)) |
be06a3df | 1456 | #else |
07bf635f | 1457 | if (XAllocColor (dpy, cmap, &botc)) |
be06a3df | 1458 | #endif |
07bf635f RS |
1459 | { |
1460 | mw->menu.bottom_shadow_color = botc.pixel; | |
1461 | bottom_frobbed = 1; | |
1462 | } | |
1463 | } | |
1464 | ||
1465 | if (top_frobbed && bottom_frobbed) | |
1466 | { | |
1467 | int top_avg = ((topc.red / 3) + (topc.green / 3) + (topc.blue / 3)); | |
1468 | int bot_avg = ((botc.red / 3) + (botc.green / 3) + (botc.blue / 3)); | |
1469 | if (bot_avg > top_avg) | |
1470 | { | |
1471 | Pixel tmp = mw->menu.top_shadow_color; | |
1472 | mw->menu.top_shadow_color = mw->menu.bottom_shadow_color; | |
1473 | mw->menu.bottom_shadow_color = tmp; | |
1474 | } | |
1475 | else if (topc.pixel == botc.pixel) | |
1476 | { | |
1477 | if (botc.pixel == mw->menu.foreground) | |
1478 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
1479 | else | |
1480 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
1481 | } | |
1482 | } | |
1483 | ||
1484 | if (!mw->menu.top_shadow_pixmap && | |
1485 | mw->menu.top_shadow_color == mw->core.background_pixel) | |
1486 | { | |
1487 | mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap; | |
1488 | mw->menu.top_shadow_color = mw->menu.foreground; | |
1489 | } | |
1490 | if (!mw->menu.bottom_shadow_pixmap && | |
1491 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1492 | { | |
1493 | mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap; | |
1494 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
1495 | } | |
1496 | ||
1497 | xgcv.fill_style = FillStippled; | |
1498 | xgcv.foreground = mw->menu.top_shadow_color; | |
1499 | xgcv.stipple = mw->menu.top_shadow_pixmap; | |
1500 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1501 | mw->menu.shadow_top_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1502 | ||
1503 | xgcv.foreground = mw->menu.bottom_shadow_color; | |
1504 | xgcv.stipple = mw->menu.bottom_shadow_pixmap; | |
1505 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1506 | mw->menu.shadow_bottom_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1507 | } | |
1508 | ||
1509 | ||
1510 | static void | |
d398028f PR |
1511 | release_shadow_gcs (mw) |
1512 | XlwMenuWidget mw; | |
07bf635f RS |
1513 | { |
1514 | XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc); | |
1515 | XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc); | |
1516 | } | |
1517 | ||
1518 | static void | |
47d52240 | 1519 | XlwMenuInitialize (request, mw, args, num_args) |
d398028f | 1520 | Widget request; |
47d52240 | 1521 | XlwMenuWidget mw; |
d398028f PR |
1522 | ArgList args; |
1523 | Cardinal *num_args; | |
07bf635f RS |
1524 | { |
1525 | /* Get the GCs and the widget size */ | |
07bf635f RS |
1526 | XSetWindowAttributes xswa; |
1527 | int mask; | |
1528 | ||
1529 | Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
1530 | Display* display = XtDisplay (mw); | |
1531 | ||
d398028f PR |
1532 | #if 0 |
1533 | widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value)); | |
1534 | ||
1535 | /* _XtCreate is freeing the object that was passed to us, | |
1536 | so make a copy that we will actually keep. */ | |
1537 | lwlib_bcopy (mw->menu.contents, tem, sizeof (widget_value)); | |
1538 | mw->menu.contents = tem; | |
1539 | #endif | |
1540 | ||
07bf635f RS |
1541 | /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */ |
1542 | mw->menu.cursor = mw->menu.cursor_shape; | |
1543 | ||
a504c8fa KH |
1544 | mw->menu.gray_pixmap |
1545 | = XCreatePixmapFromBitmapData (display, window, gray_bits, | |
1546 | gray_width, gray_height, | |
1547 | (unsigned long)1, (unsigned long)0, 1); | |
07bf635f | 1548 | |
47d52240 RS |
1549 | /* I don't understand why this ends up 0 sometimes, |
1550 | but it does. This kludge works around it. | |
1551 | Can anyone find a real fix? -- rms. */ | |
1552 | if (mw->menu.font == 0) | |
1553 | mw->menu.font = xlwmenu_default_font; | |
1554 | ||
07bf635f RS |
1555 | make_drawing_gcs (mw); |
1556 | make_shadow_gcs (mw); | |
1557 | ||
1558 | xswa.background_pixel = mw->core.background_pixel; | |
1559 | xswa.border_pixel = mw->core.border_pixel; | |
1560 | mask = CWBackPixel | CWBorderPixel; | |
1561 | ||
1562 | mw->menu.popped_up = False; | |
1563 | ||
1564 | mw->menu.old_depth = 1; | |
1565 | mw->menu.old_stack = (widget_value**)XtMalloc (sizeof (widget_value*)); | |
1566 | mw->menu.old_stack_length = 1; | |
1567 | mw->menu.old_stack [0] = mw->menu.contents; | |
1568 | ||
1569 | mw->menu.new_depth = 0; | |
1570 | mw->menu.new_stack = 0; | |
1571 | mw->menu.new_stack_length = 0; | |
1572 | push_new_stack (mw, mw->menu.contents); | |
1573 | ||
1574 | mw->menu.windows = (window_state*)XtMalloc (sizeof (window_state)); | |
1575 | mw->menu.windows_length = 1; | |
1576 | mw->menu.windows [0].x = 0; | |
1577 | mw->menu.windows [0].y = 0; | |
1578 | mw->menu.windows [0].width = 0; | |
1579 | mw->menu.windows [0].height = 0; | |
1580 | size_menu (mw, 0); | |
1581 | ||
1582 | mw->core.width = mw->menu.windows [0].width; | |
1583 | mw->core.height = mw->menu.windows [0].height; | |
1584 | } | |
1585 | ||
1586 | static void | |
1587 | XlwMenuClassInitialize () | |
1588 | { | |
1589 | } | |
1590 | ||
1591 | static void | |
d398028f PR |
1592 | XlwMenuRealize (w, valueMask, attributes) |
1593 | Widget w; | |
1594 | Mask *valueMask; | |
1595 | XSetWindowAttributes *attributes; | |
07bf635f RS |
1596 | { |
1597 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1598 | XSetWindowAttributes xswa; | |
1599 | int mask; | |
1600 | ||
1601 | (*xlwMenuWidgetClass->core_class.superclass->core_class.realize) | |
1602 | (w, valueMask, attributes); | |
1603 | ||
1604 | xswa.save_under = True; | |
1605 | xswa.cursor = mw->menu.cursor_shape; | |
1606 | mask = CWSaveUnder | CWCursor; | |
1607 | XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa); | |
1608 | ||
1609 | mw->menu.windows [0].window = XtWindow (w); | |
1610 | mw->menu.windows [0].x = w->core.x; | |
1611 | mw->menu.windows [0].y = w->core.y; | |
1612 | mw->menu.windows [0].width = w->core.width; | |
1613 | mw->menu.windows [0].height = w->core.height; | |
1614 | } | |
1615 | ||
1616 | /* Only the toplevel menubar/popup is a widget so it's the only one that | |
1617 | receives expose events through Xt. So we repaint all the other panes | |
1618 | when receiving an Expose event. */ | |
1619 | static void | |
d398028f PR |
1620 | XlwMenuRedisplay (w, ev, region) |
1621 | Widget w; | |
1622 | XEvent* ev; | |
1623 | Region region; | |
07bf635f RS |
1624 | { |
1625 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1626 | int i; | |
1627 | ||
d398028f PR |
1628 | /* If we have a depth beyond 1, it's because a submenu was displayed. |
1629 | If the submenu has been destroyed, set the depth back to 1. */ | |
1630 | if (submenu_destroyed) | |
1631 | { | |
1632 | mw->menu.old_depth = 1; | |
1633 | submenu_destroyed = 0; | |
1634 | } | |
1635 | ||
07bf635f RS |
1636 | for (i = 0; i < mw->menu.old_depth; i++) |
1637 | display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL); | |
1638 | } | |
1639 | ||
1640 | static void | |
d398028f PR |
1641 | XlwMenuDestroy (w) |
1642 | Widget w; | |
07bf635f RS |
1643 | { |
1644 | int i; | |
1645 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
1646 | ||
d398028f PR |
1647 | if (pointer_grabbed) |
1648 | XtUngrabPointer ((Widget)w, CurrentTime); | |
1649 | pointer_grabbed = 0; | |
1650 | ||
1651 | submenu_destroyed = 1; | |
1652 | ||
07bf635f RS |
1653 | release_drawing_gcs (mw); |
1654 | release_shadow_gcs (mw); | |
1655 | ||
1656 | /* this doesn't come from the resource db but is created explicitly | |
1657 | so we must free it ourselves. */ | |
1658 | XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap); | |
1659 | mw->menu.gray_pixmap = (Pixmap) -1; | |
1660 | ||
d398028f PR |
1661 | #if 0 |
1662 | /* Do free mw->menu.contents because nowadays we copy it | |
1663 | during initialization. */ | |
1664 | XtFree (mw->menu.contents); | |
1665 | #endif | |
1666 | ||
07bf635f RS |
1667 | /* Don't free mw->menu.contents because that comes from our creator. |
1668 | The `*_stack' elements are just pointers into `contents' so leave | |
1669 | that alone too. But free the stacks themselves. */ | |
1670 | if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack); | |
1671 | if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack); | |
1672 | ||
1673 | /* Remember, you can't free anything that came from the resource | |
1674 | database. This includes: | |
1675 | mw->menu.cursor | |
1676 | mw->menu.top_shadow_pixmap | |
1677 | mw->menu.bottom_shadow_pixmap | |
1678 | mw->menu.font | |
1679 | Also the color cells of top_shadow_color, bottom_shadow_color, | |
1680 | foreground, and button_foreground will never be freed until this | |
1681 | client exits. Nice, eh? | |
1682 | */ | |
1683 | ||
1684 | /* start from 1 because the one in slot 0 is w->core.window */ | |
1685 | for (i = 1; i < mw->menu.windows_length; i++) | |
1686 | XDestroyWindow (XtDisplay (mw), mw->menu.windows [i].window); | |
1687 | if (mw->menu.windows) | |
1688 | XtFree ((char *) mw->menu.windows); | |
1689 | } | |
1690 | ||
1691 | static Boolean | |
d398028f PR |
1692 | XlwMenuSetValues (current, request, new) |
1693 | Widget current; | |
1694 | Widget request; | |
1695 | Widget new; | |
07bf635f RS |
1696 | { |
1697 | XlwMenuWidget oldmw = (XlwMenuWidget)current; | |
1698 | XlwMenuWidget newmw = (XlwMenuWidget)new; | |
1699 | Boolean redisplay = False; | |
1700 | int i; | |
1701 | ||
1702 | if (newmw->menu.contents | |
1703 | && newmw->menu.contents->contents | |
1704 | && newmw->menu.contents->contents->change >= VISIBLE_CHANGE) | |
1705 | redisplay = True; | |
ba624d0f RS |
1706 | /* Do redisplay if the contents are entirely eliminated. */ |
1707 | if (newmw->menu.contents | |
1708 | && newmw->menu.contents->contents == 0 | |
1709 | && newmw->menu.contents->change >= VISIBLE_CHANGE) | |
1710 | redisplay = True; | |
07bf635f RS |
1711 | |
1712 | if (newmw->core.background_pixel != oldmw->core.background_pixel | |
d398028f PR |
1713 | || newmw->menu.foreground != oldmw->menu.foreground |
1714 | || newmw->menu.font != oldmw->menu.font) | |
07bf635f RS |
1715 | { |
1716 | release_drawing_gcs (newmw); | |
1717 | make_drawing_gcs (newmw); | |
1718 | redisplay = True; | |
1719 | ||
1720 | for (i = 0; i < oldmw->menu.windows_length; i++) | |
1721 | { | |
1722 | XSetWindowBackground (XtDisplay (oldmw), | |
1723 | oldmw->menu.windows [i].window, | |
1724 | newmw->core.background_pixel); | |
1725 | /* clear windows and generate expose events */ | |
1726 | XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window, | |
1727 | 0, 0, 0, 0, True); | |
1728 | } | |
1729 | } | |
1730 | ||
1731 | return redisplay; | |
1732 | } | |
1733 | ||
1734 | static void | |
d398028f PR |
1735 | XlwMenuResize (w) |
1736 | Widget w; | |
07bf635f RS |
1737 | { |
1738 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1739 | ||
d398028f PR |
1740 | if (mw->menu.popped_up) |
1741 | { | |
1742 | /* Don't allow the popup menu to resize itself. */ | |
1743 | mw->core.width = mw->menu.windows [0].width; | |
1744 | mw->core.height = mw->menu.windows [0].height; | |
1745 | mw->core.parent->core.width = mw->core.width ; | |
1746 | mw->core.parent->core.height = mw->core.height ; | |
1747 | } | |
1748 | else | |
1749 | { | |
1750 | mw->menu.windows [0].width = mw->core.width; | |
1751 | mw->menu.windows [0].height = mw->core.height; | |
1752 | } | |
07bf635f RS |
1753 | } |
1754 | ||
1755 | \f/* Action procedures */ | |
1756 | static void | |
d398028f PR |
1757 | handle_single_motion_event (mw, ev) |
1758 | XlwMenuWidget mw; | |
1759 | XMotionEvent* ev; | |
07bf635f RS |
1760 | { |
1761 | widget_value* val; | |
1762 | int level; | |
1763 | ||
1764 | if (!map_event_to_widget_value (mw, ev, &val, &level)) | |
1765 | pop_new_stack_if_no_contents (mw); | |
1766 | else | |
1767 | set_new_state (mw, val, level); | |
1768 | remap_menubar (mw); | |
1769 | ||
1770 | /* Sync with the display. Makes it feel better on X terms. */ | |
1771 | XSync (XtDisplay (mw), False); | |
1772 | } | |
1773 | ||
1774 | static void | |
d398028f PR |
1775 | handle_motion_event (mw, ev) |
1776 | XlwMenuWidget mw; | |
1777 | XMotionEvent* ev; | |
07bf635f RS |
1778 | { |
1779 | int x = ev->x_root; | |
1780 | int y = ev->y_root; | |
1781 | int state = ev->state; | |
1782 | ||
1783 | handle_single_motion_event (mw, ev); | |
1784 | ||
1785 | /* allow motion events to be generated again */ | |
1786 | if (ev->is_hint | |
1787 | && XQueryPointer (XtDisplay (mw), ev->window, | |
1788 | &ev->root, &ev->subwindow, | |
1789 | &ev->x_root, &ev->y_root, | |
1790 | &ev->x, &ev->y, | |
1791 | &ev->state) | |
1792 | && ev->state == state | |
1793 | && (ev->x_root != x || ev->y_root != y)) | |
1794 | handle_single_motion_event (mw, ev); | |
1795 | } | |
1796 | ||
1797 | static void | |
d398028f PR |
1798 | Start (w, ev, params, num_params) |
1799 | Widget w; | |
1800 | XEvent *ev; | |
1801 | String *params; | |
1802 | Cardinal *num_params; | |
07bf635f RS |
1803 | { |
1804 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1805 | ||
d398028f PR |
1806 | if (!mw->menu.popped_up) |
1807 | { | |
1808 | menu_post_event = *ev; | |
4cc76151 | 1809 | pop_up_menu (mw, ev); |
d398028f PR |
1810 | } |
1811 | else | |
4cc76151 PR |
1812 | { |
1813 | /* If we push a button while the menu is posted semipermanently, | |
1814 | releasing the button should always pop the menu down. */ | |
1815 | next_release_must_exit = 1; | |
d398028f | 1816 | |
4cc76151 PR |
1817 | /* notes the absolute position of the menubar window */ |
1818 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
1819 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
07bf635f | 1820 | |
4cc76151 PR |
1821 | /* handles the down like a move, slots are compatible */ |
1822 | handle_motion_event (mw, &ev->xmotion); | |
1823 | } | |
07bf635f RS |
1824 | } |
1825 | ||
1826 | static void | |
d398028f PR |
1827 | Drag (w, ev, params, num_params) |
1828 | Widget w; | |
1829 | XEvent *ev; | |
1830 | String *params; | |
1831 | Cardinal *num_params; | |
07bf635f RS |
1832 | { |
1833 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
3c9ce1c4 KH |
1834 | if (mw->menu.popped_up) |
1835 | handle_motion_event (mw, &ev->xmotion); | |
07bf635f RS |
1836 | } |
1837 | ||
ba624d0f RS |
1838 | /* Do nothing. |
1839 | This is how we handle presses and releases of modifier keys. */ | |
1840 | static void | |
1841 | Nothing (w, ev, params, num_params) | |
1842 | Widget w; | |
1843 | XEvent *ev; | |
1844 | String *params; | |
1845 | Cardinal *num_params; | |
1846 | { | |
1847 | } | |
1848 | ||
1849 | /* Handle key press and release events while menu is popped up. | |
1850 | Our action is to get rid of the menu. */ | |
1851 | static void | |
1852 | Key (w, ev, params, num_params) | |
1853 | Widget w; | |
1854 | XEvent *ev; | |
1855 | String *params; | |
1856 | Cardinal *num_params; | |
1857 | { | |
1858 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1859 | ||
1860 | /* Pop down everything. */ | |
1861 | mw->menu.new_depth = 1; | |
1862 | remap_menubar (mw); | |
1863 | ||
1864 | if (mw->menu.popped_up) | |
1865 | { | |
1866 | mw->menu.popped_up = False; | |
1867 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
1868 | if (XtIsShell (XtParent ((Widget) mw))) | |
1869 | XtPopdown (XtParent ((Widget) mw)); | |
1870 | else | |
1871 | { | |
1872 | XtRemoveGrab ((Widget) mw); | |
1873 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
1874 | } | |
1875 | } | |
1876 | ||
1877 | /* callback */ | |
1878 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)0); | |
1879 | } | |
1880 | ||
1881 | static void | |
d398028f PR |
1882 | Select (w, ev, params, num_params) |
1883 | Widget w; | |
1884 | XEvent *ev; | |
1885 | String *params; | |
1886 | Cardinal *num_params; | |
07bf635f RS |
1887 | { |
1888 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1889 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
1890 | ||
d398028f PR |
1891 | /* If user releases the button quickly, without selecting anything, |
1892 | after the initial down-click that brought the menu up, | |
1893 | do nothing. */ | |
1894 | if ((selected_item == 0 | |
1895 | || ((widget_value *) selected_item)->call_data == 0) | |
1896 | && !next_release_must_exit | |
1897 | && (ev->xbutton.time - menu_post_event.xbutton.time | |
1898 | < XtGetMultiClickTime (XtDisplay (w)))) | |
1899 | return; | |
1900 | ||
1901 | /* pop down everything. */ | |
07bf635f RS |
1902 | mw->menu.new_depth = 1; |
1903 | remap_menubar (mw); | |
1904 | ||
1905 | if (mw->menu.popped_up) | |
1906 | { | |
1907 | mw->menu.popped_up = False; | |
1908 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
2289f3f4 PR |
1909 | if (XtIsShell (XtParent ((Widget) mw))) |
1910 | XtPopdown (XtParent ((Widget) mw)); | |
4cc76151 PR |
1911 | else |
1912 | { | |
1913 | XtRemoveGrab ((Widget) mw); | |
1914 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
1915 | } | |
07bf635f RS |
1916 | } |
1917 | ||
1918 | /* callback */ | |
1919 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)selected_item); | |
07bf635f RS |
1920 | } |
1921 | ||
1922 | ||
1923 | \f/* Special code to pop-up a menu */ | |
1924 | void | |
d398028f PR |
1925 | pop_up_menu (mw, event) |
1926 | XlwMenuWidget mw; | |
1927 | XButtonPressedEvent* event; | |
07bf635f RS |
1928 | { |
1929 | int x = event->x_root; | |
1930 | int y = event->y_root; | |
1931 | int w; | |
1932 | int h; | |
1933 | int borderwidth = mw->menu.shadow_thickness; | |
1934 | Screen* screen = XtScreen (mw); | |
8400b9ed | 1935 | Display *display = XtDisplay (mw); |
5efb61c7 | 1936 | int count; |
07bf635f | 1937 | |
d398028f PR |
1938 | next_release_must_exit = 0; |
1939 | ||
07bf635f RS |
1940 | XtCallCallbackList ((Widget)mw, mw->menu.open, NULL); |
1941 | ||
2289f3f4 | 1942 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 1943 | size_menu (mw, 0); |
07bf635f RS |
1944 | |
1945 | w = mw->menu.windows [0].width; | |
1946 | h = mw->menu.windows [0].height; | |
1947 | ||
1948 | x -= borderwidth; | |
1949 | y -= borderwidth; | |
1950 | if (x < borderwidth) | |
1951 | x = borderwidth; | |
1952 | if (x + w + 2 * borderwidth > WidthOfScreen (screen)) | |
1953 | x = WidthOfScreen (screen) - w - 2 * borderwidth; | |
1954 | if (y < borderwidth) | |
1955 | y = borderwidth; | |
1956 | if (y + h + 2 * borderwidth> HeightOfScreen (screen)) | |
1957 | y = HeightOfScreen (screen) - h - 2 * borderwidth; | |
1958 | ||
1959 | mw->menu.popped_up = True; | |
2289f3f4 | 1960 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 1961 | { |
2289f3f4 PR |
1962 | XtConfigureWidget (XtParent ((Widget)mw), x, y, w, h, |
1963 | XtParent ((Widget)mw)->core.border_width); | |
1964 | XtPopup (XtParent ((Widget)mw), XtGrabExclusive); | |
4cc76151 PR |
1965 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); |
1966 | mw->menu.windows [0].x = x + borderwidth; | |
1967 | mw->menu.windows [0].y = y + borderwidth; | |
1968 | } | |
1969 | else | |
1970 | { | |
1971 | XEvent *ev = (XEvent *) event; | |
1972 | ||
87a559bf | 1973 | XtAddGrab ((Widget) mw, True, True); |
4cc76151 PR |
1974 | |
1975 | /* notes the absolute position of the menubar window */ | |
1976 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
1977 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
1978 | } | |
1979 | ||
d398028f | 1980 | #ifdef emacs |
5efb61c7 | 1981 | count = x_catch_errors (display); |
d398028f | 1982 | #endif |
87a559bf PR |
1983 | XtGrabPointer ((Widget)mw, False, |
1984 | (PointerMotionMask | |
1985 | | PointerMotionHintMask | |
1986 | | ButtonReleaseMask | |
1987 | | ButtonPressMask), | |
1988 | GrabModeAsync, GrabModeAsync, None, | |
1989 | mw->menu.cursor_shape, | |
1990 | event->time); | |
1991 | pointer_grabbed = 1; | |
d398028f | 1992 | #ifdef emacs |
8400b9ed | 1993 | if (x_had_errors_p (display)) |
d398028f PR |
1994 | { |
1995 | pointer_grabbed = 0; | |
1996 | XtUngrabPointer ((Widget)mw, event->time); | |
1997 | } | |
5efb61c7 | 1998 | x_uncatch_errors (display, count); |
d398028f | 1999 | #endif |
07bf635f | 2000 | |
07bf635f RS |
2001 | handle_motion_event (mw, (XMotionEvent*)event); |
2002 | } |