Commit | Line | Data |
---|---|---|
5c520e0a | 1 | /* Implements a lightweight menubar widget. |
07bf635f RS |
2 | Copyright (C) 1992 Lucid, Inc. |
3 | ||
4 | This file is part of the Lucid Widget Library. | |
5 | ||
5c520e0a | 6 | The Lucid Widget Library is free software; you can redistribute it and/or |
07bf635f RS |
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, | |
5c520e0a | 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
07bf635f RS |
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 | ||
0f0912e6 PE |
23 | #ifdef HAVE_CONFIG_H |
24 | #include <config.h> | |
25 | #endif | |
26 | ||
07bf635f RS |
27 | #include <stdio.h> |
28 | ||
29 | #include <sys/types.h> | |
5c520e0a SS |
30 | #if (defined __sun) && !(defined SUNOS41) |
31 | #define SUNOS41 | |
07bf635f | 32 | #include <X11/Xos.h> |
5c520e0a SS |
33 | #undef SUNOS41 |
34 | #else | |
35 | #include <X11/Xos.h> | |
36 | #endif | |
07bf635f | 37 | #include <X11/IntrinsicP.h> |
2289f3f4 | 38 | #include <X11/ObjectP.h> |
07bf635f RS |
39 | #include <X11/StringDefs.h> |
40 | #include <X11/cursorfont.h> | |
07bf635f | 41 | #include "xlwmenuP.h" |
fc8fefed | 42 | |
a57a1605 | 43 | #ifdef emacs |
f1c16db4 GM |
44 | |
45 | /* Defined in xfns.c. When config.h defines `static' as empty, we get | |
46 | redefinition errors when gray_bitmap is included more than once, so | |
47 | we're referring to the one include in xfns.c here. */ | |
48 | ||
49 | extern int gray_bitmap_width; | |
50 | extern int gray_bitmap_height; | |
5916243b | 51 | extern char *gray_bitmap_bits; |
f1c16db4 | 52 | |
a57a1605 DL |
53 | /* Defined in xterm.c. */ |
54 | extern int x_alloc_nearest_color_for_widget __P ((Widget, Colormap, XColor*)); | |
65c0ae05 MB |
55 | extern int x_alloc_lighter_color_for_widget __P ((Widget, Display*, Colormap, |
56 | unsigned long *, | |
57 | double, int)); | |
a57a1605 DL |
58 | extern int x_catch_errors __P ((Display*)); |
59 | extern int x_uncatch_errors __P ((Display*, int)); | |
60 | extern int x_had_errors_p __P ((Display*)); | |
61 | extern int x_clear_errors __P ((Display*)); | |
fc8fefed GM |
62 | extern unsigned long x_copy_dpy_color __P ((Display *, Colormap, |
63 | unsigned long)); | |
64 | ||
65 | /* Defined in xfaces.c. */ | |
66 | extern void x_free_dpy_colors __P ((Display *, Screen *, Colormap, | |
67 | unsigned long *pixels, int npixels)); | |
f1c16db4 GM |
68 | #else /* not emacs */ |
69 | ||
70 | #include <X11/bitmaps/gray> | |
71 | #define gray_bitmap_width gray_width | |
72 | #define gray_bitmap_height gray_height | |
73 | #define gray_bitmap_bits gray_bits | |
74 | ||
75 | #endif /* not emacs */ | |
d398028f PR |
76 | |
77 | static int pointer_grabbed; | |
78 | static XEvent menu_post_event; | |
07bf635f | 79 | |
47d52240 RS |
80 | XFontStruct *xlwmenu_default_font; |
81 | ||
5c520e0a SS |
82 | static char |
83 | xlwMenuTranslations [] = | |
ba624d0f RS |
84 | "<BtnDown>: start()\n\ |
85 | <Motion>: drag()\n\ | |
86 | <BtnUp>: select()\n\ | |
87 | <Key>Shift_L: nothing()\n\ | |
88 | <Key>Shift_R: nothing()\n\ | |
89 | <Key>Meta_L: nothing()\n\ | |
90 | <Key>Meta_R: nothing()\n\ | |
91 | <Key>Control_L: nothing()\n\ | |
92 | <Key>Control_R: nothing()\n\ | |
93 | <Key>Hyper_L: nothing()\n\ | |
94 | <Key>Hyper_R: nothing()\n\ | |
95 | <Key>Super_L: nothing()\n\ | |
96 | <Key>Super_R: nothing()\n\ | |
97 | <Key>Alt_L: nothing()\n\ | |
98 | <Key>Alt_R: nothing()\n\ | |
99 | <Key>Caps_Lock: nothing()\n\ | |
100 | <Key>Shift_Lock: nothing()\n\ | |
101 | <KeyUp>Shift_L: nothing()\n\ | |
102 | <KeyUp>Shift_R: nothing()\n\ | |
103 | <KeyUp>Meta_L: nothing()\n\ | |
104 | <KeyUp>Meta_R: nothing()\n\ | |
105 | <KeyUp>Control_L: nothing()\n\ | |
106 | <KeyUp>Control_R: nothing()\n\ | |
107 | <KeyUp>Hyper_L: nothing()\n\ | |
108 | <KeyUp>Hyper_R: nothing()\n\ | |
109 | <KeyUp>Super_L: nothing()\n\ | |
110 | <KeyUp>Super_R: nothing()\n\ | |
111 | <KeyUp>Alt_L: nothing()\n\ | |
112 | <KeyUp>Alt_R: nothing()\n\ | |
113 | <KeyUp>Caps_Lock: nothing()\n\ | |
114 | <KeyUp>Shift_Lock:nothing()\n\ | |
115 | <Key>: key()\n\ | |
116 | <KeyUp>: key()\n\ | |
07bf635f RS |
117 | "; |
118 | ||
119 | #define offset(field) XtOffset(XlwMenuWidget, field) | |
5c520e0a | 120 | static XtResource |
07bf635f | 121 | xlwMenuResources[] = |
5c520e0a | 122 | { |
07bf635f RS |
123 | {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), |
124 | offset(menu.font),XtRString, "XtDefaultFont"}, | |
125 | {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), | |
126 | offset(menu.foreground), XtRString, "XtDefaultForeground"}, | |
127 | {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel), | |
128 | offset(menu.button_foreground), XtRString, "XtDefaultForeground"}, | |
129 | {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension), | |
be06a3df | 130 | offset(menu.margin), XtRImmediate, (XtPointer) 4}, |
07bf635f RS |
131 | {XtNhorizontalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), |
132 | offset(menu.horizontal_spacing), XtRImmediate, (XtPointer)3}, | |
133 | {XtNverticalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
134 | offset(menu.vertical_spacing), XtRImmediate, (XtPointer)1}, | |
135 | {XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
136 | offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10}, | |
137 | ||
d398028f | 138 | {XmNshadowThickness, XmCShadowThickness, XtRDimension, |
07bf635f RS |
139 | sizeof (Dimension), offset (menu.shadow_thickness), |
140 | XtRImmediate, (XtPointer) 2}, | |
141 | {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel), | |
142 | offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1}, | |
143 | {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel), | |
144 | offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1}, | |
145 | {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
146 | offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
147 | {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
148 | offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
149 | ||
5c520e0a | 150 | {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer), |
07bf635f | 151 | offset(menu.open), XtRCallback, (XtPointer)NULL}, |
5c520e0a | 152 | {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer), |
07bf635f | 153 | offset(menu.select), XtRCallback, (XtPointer)NULL}, |
5c520e0a | 154 | {XtNhighlightCallback, XtCCallback, XtRCallback, sizeof(XtPointer), |
d6fd6371 | 155 | offset(menu.highlight), XtRCallback, (XtPointer)NULL}, |
07bf635f RS |
156 | {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer), |
157 | offset(menu.contents), XtRImmediate, (XtPointer)NULL}, | |
158 | {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor), | |
159 | offset(menu.cursor_shape), XtRString, (XtPointer)"right_ptr"}, | |
160 | {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int), | |
161 | offset(menu.horizontal), XtRImmediate, (XtPointer)True}, | |
162 | }; | |
163 | #undef offset | |
164 | ||
165 | static Boolean XlwMenuSetValues(); | |
166 | static void XlwMenuRealize(); | |
167 | static void XlwMenuRedisplay(); | |
168 | static void XlwMenuResize(); | |
169 | static void XlwMenuInitialize(); | |
170 | static void XlwMenuRedisplay(); | |
171 | static void XlwMenuDestroy(); | |
172 | static void XlwMenuClassInitialize(); | |
173 | static void Start(); | |
174 | static void Drag(); | |
175 | static void Select(); | |
ba624d0f RS |
176 | static void Key(); |
177 | static void Nothing(); | |
be06a3df | 178 | static int separator_height (); |
07bf635f | 179 | |
5c520e0a | 180 | static XtActionsRec |
07bf635f RS |
181 | xlwMenuActionsList [] = |
182 | { | |
183 | {"start", Start}, | |
184 | {"drag", Drag}, | |
185 | {"select", Select}, | |
ba624d0f RS |
186 | {"key", Key}, |
187 | {"nothing", Nothing}, | |
07bf635f RS |
188 | }; |
189 | ||
190 | #define SuperClass ((CoreWidgetClass)&coreClassRec) | |
191 | ||
192 | XlwMenuClassRec xlwMenuClassRec = | |
193 | { | |
194 | { /* CoreClass fields initialization */ | |
5c520e0a | 195 | (WidgetClass) SuperClass, /* superclass */ |
07bf635f RS |
196 | "XlwMenu", /* class_name */ |
197 | sizeof(XlwMenuRec), /* size */ | |
198 | XlwMenuClassInitialize, /* class_initialize */ | |
199 | NULL, /* class_part_initialize */ | |
200 | FALSE, /* class_inited */ | |
201 | XlwMenuInitialize, /* initialize */ | |
202 | NULL, /* initialize_hook */ | |
203 | XlwMenuRealize, /* realize */ | |
204 | xlwMenuActionsList, /* actions */ | |
205 | XtNumber(xlwMenuActionsList), /* num_actions */ | |
206 | xlwMenuResources, /* resources */ | |
207 | XtNumber(xlwMenuResources), /* resource_count */ | |
208 | NULLQUARK, /* xrm_class */ | |
209 | TRUE, /* compress_motion */ | |
210 | TRUE, /* compress_exposure */ | |
211 | TRUE, /* compress_enterleave */ | |
212 | FALSE, /* visible_interest */ | |
213 | XlwMenuDestroy, /* destroy */ | |
214 | XlwMenuResize, /* resize */ | |
215 | XlwMenuRedisplay, /* expose */ | |
216 | XlwMenuSetValues, /* set_values */ | |
217 | NULL, /* set_values_hook */ | |
218 | XtInheritSetValuesAlmost, /* set_values_almost */ | |
219 | NULL, /* get_values_hook */ | |
220 | NULL, /* accept_focus */ | |
221 | XtVersion, /* version */ | |
222 | NULL, /* callback_private */ | |
223 | xlwMenuTranslations, /* tm_table */ | |
224 | XtInheritQueryGeometry, /* query_geometry */ | |
225 | XtInheritDisplayAccelerator, /* display_accelerator */ | |
226 | NULL /* extension */ | |
227 | }, /* XlwMenuClass fields initialization */ | |
228 | { | |
229 | 0 /* dummy */ | |
230 | }, | |
231 | }; | |
232 | ||
233 | WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec; | |
234 | ||
d398028f PR |
235 | int submenu_destroyed; |
236 | ||
237 | static int next_release_must_exit; | |
238 | ||
07bf635f | 239 | \f/* Utilities */ |
be06a3df GM |
240 | |
241 | ||
242 | /* Like abort, but remove grabs from widget W before. */ | |
243 | ||
244 | static void | |
245 | abort_gracefully (w) | |
246 | Widget w; | |
247 | { | |
248 | if (XtIsShell (XtParent (w))) | |
249 | XtRemoveGrab (w); | |
250 | XtUngrabPointer (w, CurrentTime); | |
251 | abort (); | |
252 | } | |
253 | ||
07bf635f | 254 | static void |
d398028f PR |
255 | push_new_stack (mw, val) |
256 | XlwMenuWidget mw; | |
257 | widget_value* val; | |
07bf635f RS |
258 | { |
259 | if (!mw->menu.new_stack) | |
260 | { | |
261 | mw->menu.new_stack_length = 10; | |
262 | mw->menu.new_stack = | |
263 | (widget_value**)XtCalloc (mw->menu.new_stack_length, | |
264 | sizeof (widget_value*)); | |
265 | } | |
266 | else if (mw->menu.new_depth == mw->menu.new_stack_length) | |
267 | { | |
268 | mw->menu.new_stack_length *= 2; | |
269 | mw->menu.new_stack = | |
270 | (widget_value**)XtRealloc ((char*)mw->menu.new_stack, | |
271 | mw->menu.new_stack_length * sizeof (widget_value*)); | |
272 | } | |
273 | mw->menu.new_stack [mw->menu.new_depth++] = val; | |
274 | } | |
275 | ||
276 | static void | |
d398028f PR |
277 | pop_new_stack_if_no_contents (mw) |
278 | XlwMenuWidget mw; | |
07bf635f RS |
279 | { |
280 | if (mw->menu.new_depth) | |
281 | { | |
282 | if (!mw->menu.new_stack [mw->menu.new_depth - 1]->contents) | |
283 | mw->menu.new_depth -= 1; | |
284 | } | |
285 | } | |
286 | ||
287 | static void | |
d398028f PR |
288 | make_old_stack_space (mw, n) |
289 | XlwMenuWidget mw; | |
290 | int n; | |
07bf635f RS |
291 | { |
292 | if (!mw->menu.old_stack) | |
293 | { | |
294 | mw->menu.old_stack_length = 10; | |
295 | mw->menu.old_stack = | |
296 | (widget_value**)XtCalloc (mw->menu.old_stack_length, | |
297 | sizeof (widget_value*)); | |
298 | } | |
299 | else if (mw->menu.old_stack_length < n) | |
300 | { | |
301 | mw->menu.old_stack_length *= 2; | |
302 | mw->menu.old_stack = | |
303 | (widget_value**)XtRealloc ((char*)mw->menu.old_stack, | |
304 | mw->menu.old_stack_length * sizeof (widget_value*)); | |
305 | } | |
306 | } | |
307 | ||
308 | \f/* Size code */ | |
d398028f PR |
309 | int |
310 | string_width (mw, s) | |
311 | XlwMenuWidget mw; | |
312 | char *s; | |
07bf635f RS |
313 | { |
314 | XCharStruct xcs; | |
315 | int drop; | |
5c520e0a | 316 | |
07bf635f RS |
317 | XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs); |
318 | return xcs.width; | |
319 | } | |
320 | ||
321 | static int | |
d398028f PR |
322 | arrow_width (mw) |
323 | XlwMenuWidget mw; | |
07bf635f | 324 | { |
be06a3df | 325 | return (mw->menu.font->ascent * 3/4) | 1; |
07bf635f RS |
326 | } |
327 | ||
be06a3df GM |
328 | /* Return the width of toggle buttons of widget MW. */ |
329 | ||
330 | static int | |
331 | toggle_button_width (mw) | |
332 | XlwMenuWidget mw; | |
333 | { | |
334 | return ((mw->menu.font->ascent + mw->menu.font->descent) * 2 / 3) | 1; | |
335 | } | |
336 | ||
337 | ||
338 | /* Return the width of radio buttons of widget MW. */ | |
339 | ||
340 | static int | |
341 | radio_button_width (mw) | |
342 | XlwMenuWidget mw; | |
343 | { | |
344 | return toggle_button_width (mw) * 1.41; | |
345 | } | |
346 | ||
347 | ||
07bf635f RS |
348 | static XtResource |
349 | nameResource[] = | |
5c520e0a | 350 | { |
07bf635f RS |
351 | {"labelString", "LabelString", XtRString, sizeof(String), |
352 | 0, XtRImmediate, 0}, | |
353 | }; | |
354 | ||
355 | static char* | |
d398028f PR |
356 | resource_widget_value (mw, val) |
357 | XlwMenuWidget mw; | |
358 | widget_value *val; | |
07bf635f RS |
359 | { |
360 | if (!val->toolkit_data) | |
361 | { | |
362 | char* resourced_name = NULL; | |
363 | char* complete_name; | |
364 | XtGetSubresources ((Widget) mw, | |
365 | (XtPointer) &resourced_name, | |
366 | val->name, val->name, | |
367 | nameResource, 1, NULL, 0); | |
368 | if (!resourced_name) | |
369 | resourced_name = val->name; | |
370 | if (!val->value) | |
d97342f3 RS |
371 | { |
372 | complete_name = (char *) XtMalloc (strlen (resourced_name) + 1); | |
373 | strcpy (complete_name, resourced_name); | |
374 | } | |
07bf635f RS |
375 | else |
376 | { | |
377 | int complete_length = | |
378 | strlen (resourced_name) + strlen (val->value) + 2; | |
379 | complete_name = XtMalloc (complete_length); | |
380 | *complete_name = 0; | |
381 | strcat (complete_name, resourced_name); | |
382 | strcat (complete_name, " "); | |
383 | strcat (complete_name, val->value); | |
384 | } | |
385 | ||
386 | val->toolkit_data = complete_name; | |
387 | val->free_toolkit_data = True; | |
388 | } | |
389 | return (char*)val->toolkit_data; | |
390 | } | |
391 | ||
392 | /* Returns the sizes of an item */ | |
393 | static void | |
be06a3df GM |
394 | size_menu_item (mw, val, horizontal_p, label_width, rest_width, button_width, |
395 | height) | |
d398028f PR |
396 | XlwMenuWidget mw; |
397 | widget_value* val; | |
398 | int horizontal_p; | |
399 | int* label_width; | |
400 | int* rest_width; | |
be06a3df | 401 | int* button_width; |
d398028f | 402 | int* height; |
07bf635f | 403 | { |
be06a3df | 404 | enum menu_separator separator; |
5c520e0a | 405 | |
be06a3df | 406 | if (lw_separator_p (val->name, &separator, 0)) |
07bf635f | 407 | { |
be06a3df | 408 | *height = separator_height (separator); |
07bf635f RS |
409 | *label_width = 1; |
410 | *rest_width = 0; | |
be06a3df | 411 | *button_width = 0; |
07bf635f RS |
412 | } |
413 | else | |
414 | { | |
415 | *height = | |
416 | mw->menu.font->ascent + mw->menu.font->descent | |
417 | + 2 * mw->menu.vertical_spacing + 2 * mw->menu.shadow_thickness; | |
5c520e0a | 418 | |
07bf635f RS |
419 | *label_width = |
420 | string_width (mw, resource_widget_value (mw, val)) | |
421 | + mw->menu.horizontal_spacing + mw->menu.shadow_thickness; | |
5c520e0a | 422 | |
07bf635f RS |
423 | *rest_width = mw->menu.horizontal_spacing + mw->menu.shadow_thickness; |
424 | if (!horizontal_p) | |
425 | { | |
426 | if (val->contents) | |
be06a3df | 427 | /* Add width of the arrow displayed for submenus. */ |
07bf635f RS |
428 | *rest_width += arrow_width (mw) + mw->menu.arrow_spacing; |
429 | else if (val->key) | |
be06a3df GM |
430 | /* Add width of key equivalent string. */ |
431 | *rest_width += (string_width (mw, val->key) | |
432 | + mw->menu.arrow_spacing); | |
433 | ||
434 | if (val->button_type == BUTTON_TYPE_TOGGLE) | |
435 | *button_width = (toggle_button_width (mw) | |
436 | + mw->menu.horizontal_spacing); | |
437 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
438 | *button_width = (radio_button_width (mw) | |
439 | + mw->menu.horizontal_spacing); | |
07bf635f RS |
440 | } |
441 | } | |
442 | } | |
443 | ||
444 | static void | |
d398028f PR |
445 | size_menu (mw, level) |
446 | XlwMenuWidget mw; | |
447 | int level; | |
07bf635f | 448 | { |
ccf589a6 | 449 | unsigned int label_width = 0; |
07bf635f | 450 | int rest_width = 0; |
be06a3df | 451 | int button_width = 0; |
07bf635f | 452 | int max_rest_width = 0; |
be06a3df | 453 | int max_button_width = 0; |
ccf589a6 | 454 | unsigned int height = 0; |
07bf635f RS |
455 | int horizontal_p = mw->menu.horizontal && (level == 0); |
456 | widget_value* val; | |
457 | window_state* ws; | |
458 | ||
459 | if (level >= mw->menu.old_depth) | |
be06a3df | 460 | abort_gracefully ((Widget) mw); |
07bf635f | 461 | |
5c520e0a | 462 | ws = &mw->menu.windows [level]; |
07bf635f RS |
463 | ws->width = 0; |
464 | ws->height = 0; | |
465 | ws->label_width = 0; | |
be06a3df | 466 | ws->button_width = 0; |
07bf635f RS |
467 | |
468 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
469 | { | |
470 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, | |
be06a3df | 471 | &button_width, &height); |
07bf635f RS |
472 | if (horizontal_p) |
473 | { | |
474 | ws->width += label_width + rest_width; | |
475 | if (height > ws->height) | |
476 | ws->height = height; | |
477 | } | |
478 | else | |
479 | { | |
480 | if (label_width > ws->label_width) | |
481 | ws->label_width = label_width; | |
482 | if (rest_width > max_rest_width) | |
483 | max_rest_width = rest_width; | |
be06a3df GM |
484 | if (button_width > max_button_width) |
485 | max_button_width = button_width; | |
07bf635f RS |
486 | ws->height += height; |
487 | } | |
488 | } | |
5c520e0a | 489 | |
07bf635f | 490 | if (horizontal_p) |
be06a3df | 491 | ws->label_width = ws->button_width = 0; |
07bf635f | 492 | else |
be06a3df GM |
493 | { |
494 | ws->width = ws->label_width + max_rest_width + max_button_width; | |
495 | ws->button_width = max_button_width; | |
496 | } | |
07bf635f RS |
497 | |
498 | ws->width += 2 * mw->menu.shadow_thickness; | |
499 | ws->height += 2 * mw->menu.shadow_thickness; | |
be06a3df GM |
500 | |
501 | if (horizontal_p) | |
502 | { | |
503 | ws->width += 2 * mw->menu.margin; | |
504 | ws->height += 2 * mw->menu.margin; | |
505 | } | |
07bf635f RS |
506 | } |
507 | ||
508 | ||
509 | \f/* Display code */ | |
be06a3df | 510 | |
07bf635f | 511 | static void |
be06a3df | 512 | draw_arrow (mw, window, gc, x, y, width, down_p) |
d398028f PR |
513 | XlwMenuWidget mw; |
514 | Window window; | |
515 | GC gc; | |
516 | int x; | |
517 | int y; | |
518 | int width; | |
be06a3df | 519 | int down_p; |
07bf635f | 520 | { |
be06a3df GM |
521 | Display *dpy = XtDisplay (mw); |
522 | GC top_gc = mw->menu.shadow_top_gc; | |
523 | GC bottom_gc = mw->menu.shadow_bottom_gc; | |
524 | int thickness = mw->menu.shadow_thickness; | |
525 | int height = width; | |
526 | XPoint pt[10]; | |
527 | /* alpha = atan (0.5) | |
528 | factor = (1 + sin (alpha)) / cos (alpha) */ | |
529 | double factor = 1.62; | |
530 | int thickness2 = thickness * factor; | |
5c520e0a | 531 | |
be06a3df | 532 | y += (mw->menu.font->ascent + mw->menu.font->descent - height) / 2; |
5c520e0a | 533 | |
be06a3df GM |
534 | if (down_p) |
535 | { | |
536 | GC temp; | |
537 | temp = top_gc; | |
538 | top_gc = bottom_gc; | |
539 | bottom_gc = temp; | |
540 | } | |
541 | ||
542 | pt[0].x = x; | |
543 | pt[0].y = y + height; | |
544 | pt[1].x = x + thickness; | |
545 | pt[1].y = y + height - thickness2; | |
546 | pt[2].x = x + thickness2; | |
547 | pt[2].y = y + thickness2; | |
548 | pt[3].x = x; | |
549 | pt[3].y = y; | |
550 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
5c520e0a | 551 | |
be06a3df GM |
552 | pt[0].x = x; |
553 | pt[0].y = y; | |
554 | pt[1].x = x + thickness; | |
555 | pt[1].y = y + thickness2; | |
556 | pt[2].x = x + width - thickness2; | |
557 | pt[2].y = y + height / 2; | |
558 | pt[3].x = x + width; | |
559 | pt[3].y = y + height / 2; | |
560 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
5c520e0a | 561 | |
be06a3df GM |
562 | pt[0].x = x; |
563 | pt[0].y = y + height; | |
564 | pt[1].x = x + thickness; | |
565 | pt[1].y = y + height - thickness2; | |
566 | pt[2].x = x + width - thickness2; | |
567 | pt[2].y = y + height / 2; | |
568 | pt[3].x = x + width; | |
569 | pt[3].y = y + height / 2; | |
570 | XFillPolygon (dpy, window, bottom_gc, pt, 4, Convex, CoordModeOrigin); | |
07bf635f RS |
571 | } |
572 | ||
be06a3df GM |
573 | |
574 | ||
07bf635f | 575 | static void |
be06a3df | 576 | draw_shadow_rectangle (mw, window, x, y, width, height, erase_p, down_p) |
d398028f PR |
577 | XlwMenuWidget mw; |
578 | Window window; | |
579 | int x; | |
580 | int y; | |
581 | int width; | |
582 | int height; | |
583 | int erase_p; | |
be06a3df | 584 | int down_p; |
07bf635f RS |
585 | { |
586 | Display *dpy = XtDisplay (mw); | |
587 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
588 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
589 | int thickness = mw->menu.shadow_thickness; | |
590 | XPoint points [4]; | |
be06a3df GM |
591 | |
592 | if (!erase_p && down_p) | |
593 | { | |
594 | GC temp; | |
595 | temp = top_gc; | |
596 | top_gc = bottom_gc; | |
597 | bottom_gc = temp; | |
598 | } | |
5c520e0a | 599 | |
07bf635f RS |
600 | points [0].x = x; |
601 | points [0].y = y; | |
602 | points [1].x = x + width; | |
603 | points [1].y = y; | |
604 | points [2].x = x + width - thickness; | |
605 | points [2].y = y + thickness; | |
606 | points [3].x = x; | |
607 | points [3].y = y + thickness; | |
608 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
609 | points [0].x = x; | |
610 | points [0].y = y + thickness; | |
611 | points [1].x = x; | |
612 | points [1].y = y + height; | |
613 | points [2].x = x + thickness; | |
614 | points [2].y = y + height - thickness; | |
615 | points [3].x = x + thickness; | |
616 | points [3].y = y + thickness; | |
617 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
618 | points [0].x = x + width; | |
619 | points [0].y = y; | |
620 | points [1].x = x + width - thickness; | |
621 | points [1].y = y + thickness; | |
622 | points [2].x = x + width - thickness; | |
623 | points [2].y = y + height - thickness; | |
624 | points [3].x = x + width; | |
625 | points [3].y = y + height - thickness; | |
626 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
627 | points [0].x = x; | |
628 | points [0].y = y + height; | |
629 | points [1].x = x + width; | |
630 | points [1].y = y + height; | |
631 | points [2].x = x + width; | |
632 | points [2].y = y + height - thickness; | |
633 | points [3].x = x + thickness; | |
634 | points [3].y = y + height - thickness; | |
635 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
636 | } | |
637 | ||
638 | ||
be06a3df GM |
639 | static void |
640 | draw_shadow_rhombus (mw, window, x, y, width, height, erase_p, down_p) | |
641 | XlwMenuWidget mw; | |
642 | Window window; | |
643 | int x; | |
644 | int y; | |
645 | int width; | |
646 | int height; | |
647 | int erase_p; | |
648 | int down_p; | |
649 | { | |
650 | Display *dpy = XtDisplay (mw); | |
651 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
652 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
653 | int thickness = mw->menu.shadow_thickness; | |
654 | XPoint points [4]; | |
be06a3df GM |
655 | |
656 | if (!erase_p && down_p) | |
657 | { | |
658 | GC temp; | |
659 | temp = top_gc; | |
660 | top_gc = bottom_gc; | |
661 | bottom_gc = temp; | |
662 | } | |
663 | ||
664 | points [0].x = x; | |
665 | points [0].y = y + height / 2; | |
666 | points [1].x = x + thickness; | |
667 | points [1].y = y + height / 2; | |
668 | points [2].x = x + width / 2; | |
669 | points [2].y = y + thickness; | |
670 | points [3].x = x + width / 2; | |
671 | points [3].y = y; | |
672 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
673 | points [0].x = x + width / 2; | |
674 | points [0].y = y; | |
675 | points [1].x = x + width / 2; | |
676 | points [1].y = y + thickness; | |
677 | points [2].x = x + width - thickness; | |
678 | points [2].y = y + height / 2; | |
679 | points [3].x = x + width; | |
680 | points [3].y = y + height / 2; | |
681 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
682 | points [0].x = x; | |
683 | points [0].y = y + height / 2; | |
684 | points [1].x = x + thickness; | |
685 | points [1].y = y + height / 2; | |
686 | points [2].x = x + width / 2; | |
687 | points [2].y = y + height - thickness; | |
688 | points [3].x = x + width / 2; | |
689 | points [3].y = y + height; | |
690 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
691 | points [0].x = x + width / 2; | |
692 | points [0].y = y + height; | |
693 | points [1].x = x + width / 2; | |
694 | points [1].y = y + height - thickness; | |
695 | points [2].x = x + width - thickness; | |
696 | points [2].y = y + height / 2; | |
697 | points [3].x = x + width; | |
698 | points [3].y = y + height / 2; | |
699 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
700 | } | |
701 | ||
702 | ||
703 | /* Draw a toggle button on widget MW, X window WINDOW. X/Y is the | |
704 | top-left corner of the menu item. SELECTED_P non-zero means the | |
705 | toggle button is selected. */ | |
706 | ||
707 | static void | |
708 | draw_toggle (mw, window, x, y, selected_p) | |
709 | XlwMenuWidget mw; | |
710 | Window window; | |
711 | int x, y, selected_p; | |
712 | { | |
713 | int width, height; | |
714 | ||
715 | width = toggle_button_width (mw); | |
716 | height = width; | |
717 | x += mw->menu.horizontal_spacing; | |
718 | y += (mw->menu.font->ascent - height) / 2; | |
719 | draw_shadow_rectangle (mw, window, x, y, width, height, False, selected_p); | |
720 | } | |
721 | ||
722 | ||
723 | /* Draw a radio button on widget MW, X window WINDOW. X/Y is the | |
724 | top-left corner of the menu item. SELECTED_P non-zero means the | |
725 | toggle button is selected. */ | |
726 | ||
727 | static void | |
728 | draw_radio (mw, window, x, y, selected_p) | |
729 | XlwMenuWidget mw; | |
730 | Window window; | |
731 | int x, y, selected_p; | |
732 | { | |
733 | int width, height; | |
734 | ||
735 | width = radio_button_width (mw); | |
736 | height = width; | |
737 | x += mw->menu.horizontal_spacing; | |
738 | y += (mw->menu.font->ascent - height) / 2; | |
739 | draw_shadow_rhombus (mw, window, x, y, width, height, False, selected_p); | |
740 | } | |
741 | ||
742 | ||
743 | /* Draw a menu separator on widget MW, X window WINDOW. X/Y is the | |
744 | top-left corner of the menu item. WIDTH is the width of the | |
745 | separator to draw. TYPE is the separator type. */ | |
746 | ||
747 | static void | |
748 | draw_separator (mw, window, x, y, width, type) | |
749 | XlwMenuWidget mw; | |
750 | Window window; | |
751 | int x, y, width; | |
752 | enum menu_separator type; | |
753 | { | |
754 | Display *dpy = XtDisplay (mw); | |
755 | XGCValues xgcv; | |
756 | ||
757 | switch (type) | |
758 | { | |
759 | case SEPARATOR_NO_LINE: | |
760 | break; | |
5c520e0a | 761 | |
be06a3df GM |
762 | case SEPARATOR_SINGLE_LINE: |
763 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
764 | x, y, x + width, y); | |
765 | break; | |
5c520e0a | 766 | |
be06a3df GM |
767 | case SEPARATOR_DOUBLE_LINE: |
768 | draw_separator (mw, window, x, y, width, SEPARATOR_SINGLE_LINE); | |
769 | draw_separator (mw, window, x, y + 2, width, SEPARATOR_SINGLE_LINE); | |
770 | break; | |
5c520e0a | 771 | |
be06a3df GM |
772 | case SEPARATOR_SINGLE_DASHED_LINE: |
773 | xgcv.line_style = LineOnOffDash; | |
774 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
775 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
776 | x, y, x + width, y); | |
777 | xgcv.line_style = LineSolid; | |
778 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
779 | break; | |
5c520e0a | 780 | |
be06a3df GM |
781 | case SEPARATOR_DOUBLE_DASHED_LINE: |
782 | draw_separator (mw, window, x, y, width, | |
783 | SEPARATOR_SINGLE_DASHED_LINE); | |
784 | draw_separator (mw, window, x, y + 2, width, | |
785 | SEPARATOR_SINGLE_DASHED_LINE); | |
786 | break; | |
5c520e0a | 787 | |
be06a3df GM |
788 | case SEPARATOR_SHADOW_ETCHED_IN: |
789 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
790 | x, y, x + width, y); | |
791 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
792 | x, y + 1, x + width, y + 1); | |
793 | break; | |
794 | ||
795 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
796 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
797 | x, y, x + width, y); | |
798 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
799 | x, y + 1, x + width, y + 1); | |
800 | break; | |
5c520e0a | 801 | |
be06a3df GM |
802 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: |
803 | xgcv.line_style = LineOnOffDash; | |
804 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
805 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
2f90328f | 806 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN); |
be06a3df GM |
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; | |
5c520e0a | 811 | |
be06a3df GM |
812 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: |
813 | xgcv.line_style = LineOnOffDash; | |
814 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
815 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
2f90328f | 816 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_OUT); |
be06a3df GM |
817 | xgcv.line_style = LineSolid; |
818 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
819 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
820 | break; | |
821 | ||
822 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: | |
823 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN); | |
824 | draw_separator (mw, window, x, y + 3, width, SEPARATOR_SHADOW_ETCHED_IN); | |
825 | break; | |
5c520e0a | 826 | |
be06a3df GM |
827 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: |
828 | draw_separator (mw, window, x, y, width, | |
829 | SEPARATOR_SHADOW_ETCHED_OUT); | |
830 | draw_separator (mw, window, x, y + 3, width, | |
831 | SEPARATOR_SHADOW_ETCHED_OUT); | |
832 | break; | |
5c520e0a | 833 | |
be06a3df GM |
834 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: |
835 | xgcv.line_style = LineOnOffDash; | |
836 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
837 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
838 | draw_separator (mw, window, x, y, width, | |
839 | SEPARATOR_SHADOW_DOUBLE_ETCHED_IN); | |
840 | xgcv.line_style = LineSolid; | |
841 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
842 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
843 | break; | |
844 | ||
845 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
846 | xgcv.line_style = LineOnOffDash; | |
847 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
848 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
849 | draw_separator (mw, window, x, y, width, | |
850 | SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT); | |
851 | xgcv.line_style = LineSolid; | |
852 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
853 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
854 | break; | |
855 | ||
856 | default: | |
857 | abort (); | |
858 | } | |
859 | } | |
860 | ||
861 | ||
862 | /* Return the pixel height of menu separator SEPARATOR. */ | |
863 | ||
864 | static int | |
865 | separator_height (separator) | |
866 | enum menu_separator separator; | |
867 | { | |
868 | switch (separator) | |
869 | { | |
870 | case SEPARATOR_NO_LINE: | |
871 | return 2; | |
5c520e0a | 872 | |
be06a3df GM |
873 | case SEPARATOR_SINGLE_LINE: |
874 | case SEPARATOR_SINGLE_DASHED_LINE: | |
875 | return 1; | |
5c520e0a | 876 | |
be06a3df GM |
877 | case SEPARATOR_DOUBLE_LINE: |
878 | case SEPARATOR_DOUBLE_DASHED_LINE: | |
879 | return 3; | |
5c520e0a | 880 | |
be06a3df GM |
881 | case SEPARATOR_SHADOW_ETCHED_IN: |
882 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
883 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: | |
884 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: | |
885 | return 2; | |
5c520e0a | 886 | |
be06a3df GM |
887 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: |
888 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: | |
889 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: | |
890 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
891 | return 5; | |
5c520e0a | 892 | |
be06a3df GM |
893 | default: |
894 | abort (); | |
895 | } | |
896 | } | |
897 | ||
898 | ||
07bf635f | 899 | /* Display the menu item and increment where.x and where.y to show how large |
be06a3df GM |
900 | the menu item was. */ |
901 | ||
07bf635f | 902 | static void |
be06a3df GM |
903 | display_menu_item (mw, val, ws, where, highlighted_p, horizontal_p, |
904 | just_compute_p) | |
d398028f PR |
905 | XlwMenuWidget mw; |
906 | widget_value* val; | |
907 | window_state* ws; | |
908 | XPoint* where; | |
909 | Boolean highlighted_p; | |
910 | Boolean horizontal_p; | |
911 | Boolean just_compute_p; | |
07bf635f RS |
912 | { |
913 | GC deco_gc; | |
914 | GC text_gc; | |
915 | int font_ascent = mw->menu.font->ascent; | |
916 | int font_descent = mw->menu.font->descent; | |
917 | int shadow = mw->menu.shadow_thickness; | |
be06a3df | 918 | int margin = mw->menu.margin; |
07bf635f RS |
919 | int h_spacing = mw->menu.horizontal_spacing; |
920 | int v_spacing = mw->menu.vertical_spacing; | |
921 | int label_width; | |
922 | int rest_width; | |
be06a3df | 923 | int button_width; |
07bf635f RS |
924 | int height; |
925 | int width; | |
be06a3df GM |
926 | enum menu_separator separator; |
927 | int separator_p = lw_separator_p (val->name, &separator, 0); | |
07bf635f RS |
928 | |
929 | /* compute the sizes of the item */ | |
be06a3df GM |
930 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, |
931 | &button_width, &height); | |
07bf635f RS |
932 | |
933 | if (horizontal_p) | |
934 | width = label_width + rest_width; | |
935 | else | |
936 | { | |
937 | label_width = ws->label_width; | |
938 | width = ws->width - 2 * shadow; | |
939 | } | |
940 | ||
07bf635f RS |
941 | /* Only highlight an enabled item that has a callback. */ |
942 | if (highlighted_p) | |
943 | if (!val->enabled || !(val->call_data || val->contents)) | |
944 | highlighted_p = 0; | |
945 | ||
946 | /* do the drawing. */ | |
947 | if (!just_compute_p) | |
948 | { | |
949 | /* Add the shadow border of the containing menu */ | |
950 | int x = where->x + shadow; | |
951 | int y = where->y + shadow; | |
952 | ||
be06a3df GM |
953 | if (horizontal_p) |
954 | { | |
955 | x += margin; | |
956 | y += margin; | |
957 | } | |
958 | ||
07bf635f RS |
959 | /* pick the foreground and background GC. */ |
960 | if (val->enabled) | |
be06a3df | 961 | text_gc = mw->menu.foreground_gc; |
07bf635f | 962 | else |
be06a3df | 963 | text_gc = mw->menu.inactive_gc; |
07bf635f RS |
964 | deco_gc = mw->menu.foreground_gc; |
965 | ||
966 | if (separator_p) | |
967 | { | |
be06a3df | 968 | draw_separator (mw, ws->window, x, y, width, separator); |
07bf635f | 969 | } |
5c520e0a | 970 | else |
07bf635f | 971 | { |
84593cae | 972 | int x_offset = x + h_spacing + shadow; |
07bf635f | 973 | char* display_string = resource_widget_value (mw, val); |
be06a3df GM |
974 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, True, |
975 | False); | |
84593cae PR |
976 | |
977 | /* Deal with centering a menu title. */ | |
978 | if (!horizontal_p && !val->contents && !val->call_data) | |
979 | { | |
980 | int l = string_width (mw, display_string); | |
981 | ||
982 | if (width > l) | |
983 | x_offset = (width - l) >> 1; | |
984 | } | |
be06a3df GM |
985 | else if (!horizontal_p && ws->button_width) |
986 | x_offset += ws->button_width; | |
5c520e0a SS |
987 | |
988 | ||
84593cae | 989 | XDrawString (XtDisplay (mw), ws->window, text_gc, x_offset, |
07bf635f RS |
990 | y + v_spacing + shadow + font_ascent, |
991 | display_string, strlen (display_string)); | |
5c520e0a | 992 | |
07bf635f RS |
993 | if (!horizontal_p) |
994 | { | |
be06a3df GM |
995 | if (val->button_type == BUTTON_TYPE_TOGGLE) |
996 | draw_toggle (mw, ws->window, x, y + v_spacing + shadow, | |
997 | val->selected); | |
998 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
999 | draw_radio (mw, ws->window, x, y + v_spacing + shadow, | |
1000 | val->selected); | |
5c520e0a | 1001 | |
07bf635f RS |
1002 | if (val->contents) |
1003 | { | |
1004 | int a_w = arrow_width (mw); | |
1005 | draw_arrow (mw, ws->window, deco_gc, | |
be06a3df | 1006 | x + width - a_w |
5c520e0a | 1007 | - mw->menu.horizontal_spacing |
d398028f | 1008 | - mw->menu.shadow_thickness, |
be06a3df GM |
1009 | y + v_spacing + shadow, a_w, |
1010 | highlighted_p); | |
07bf635f RS |
1011 | } |
1012 | else if (val->key) | |
1013 | { | |
1014 | XDrawString (XtDisplay (mw), ws->window, text_gc, | |
1015 | x + label_width + mw->menu.arrow_spacing, | |
1016 | y + v_spacing + shadow + font_ascent, | |
1017 | val->key, strlen (val->key)); | |
1018 | } | |
1019 | } | |
d398028f PR |
1020 | else |
1021 | { | |
5c520e0a | 1022 | XDrawRectangle (XtDisplay (mw), ws->window, |
d398028f PR |
1023 | mw->menu.background_gc, |
1024 | x + shadow, y + shadow, | |
1025 | label_width + h_spacing - 1, | |
1026 | font_ascent + font_descent + 2 * v_spacing - 1); | |
1027 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, | |
be06a3df | 1028 | True, False); |
d398028f | 1029 | } |
07bf635f RS |
1030 | |
1031 | if (highlighted_p) | |
be06a3df GM |
1032 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, False, |
1033 | False); | |
07bf635f RS |
1034 | } |
1035 | } | |
5c520e0a | 1036 | |
07bf635f RS |
1037 | where->x += width; |
1038 | where->y += height; | |
1039 | } | |
1040 | ||
1041 | static void | |
d398028f PR |
1042 | display_menu (mw, level, just_compute_p, highlighted_pos, hit, hit_return, |
1043 | this, that) | |
1044 | XlwMenuWidget mw; | |
1045 | int level; | |
1046 | Boolean just_compute_p; | |
1047 | XPoint* highlighted_pos; | |
1048 | XPoint* hit; | |
1049 | widget_value** hit_return; | |
1050 | widget_value* this; | |
1051 | widget_value* that; | |
07bf635f RS |
1052 | { |
1053 | widget_value* val; | |
1054 | widget_value* following_item; | |
1055 | window_state* ws; | |
1056 | XPoint where; | |
1057 | int horizontal_p = mw->menu.horizontal && (level == 0); | |
1058 | int highlighted_p; | |
1059 | int just_compute_this_one_p; | |
ccc1cac0 RS |
1060 | /* This is set nonzero if the element containing HIGHLIGHTED_POS |
1061 | is disabled, so that we do not return any subsequent element either. */ | |
1062 | int no_return = 0; | |
be06a3df | 1063 | enum menu_separator separator; |
07bf635f RS |
1064 | |
1065 | if (level >= mw->menu.old_depth) | |
be06a3df | 1066 | abort_gracefully ((Widget) mw); |
07bf635f RS |
1067 | |
1068 | if (level < mw->menu.old_depth - 1) | |
1069 | following_item = mw->menu.old_stack [level + 1]; | |
5c520e0a | 1070 | else |
07bf635f RS |
1071 | following_item = NULL; |
1072 | ||
1073 | if (hit) | |
1074 | *hit_return = NULL; | |
1075 | ||
1076 | where.x = 0; | |
1077 | where.y = 0; | |
1078 | ||
1079 | ws = &mw->menu.windows [level]; | |
1080 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
1081 | { | |
1082 | highlighted_p = val == following_item; | |
1083 | if (highlighted_p && highlighted_pos) | |
1084 | { | |
1085 | if (horizontal_p) | |
1086 | highlighted_pos->x = where.x; | |
1087 | else | |
1088 | highlighted_pos->y = where.y; | |
1089 | } | |
5c520e0a | 1090 | |
07bf635f RS |
1091 | just_compute_this_one_p = |
1092 | just_compute_p || ((this || that) && val != this && val != that); | |
1093 | ||
1094 | display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p, | |
1095 | just_compute_this_one_p); | |
1096 | ||
1097 | if (highlighted_p && highlighted_pos) | |
1098 | { | |
1099 | if (horizontal_p) | |
1100 | highlighted_pos->y = where.y; | |
1101 | else | |
1102 | highlighted_pos->x = where.x; | |
1103 | } | |
1104 | ||
1105 | if (hit | |
1106 | && !*hit_return | |
1107 | && (horizontal_p ? hit->x < where.x : hit->y < where.y) | |
be06a3df | 1108 | && !lw_separator_p (val->name, &separator, 0) |
ccc1cac0 RS |
1109 | && !no_return) |
1110 | { | |
1111 | if (val->enabled) | |
1112 | *hit_return = val; | |
1113 | else | |
1114 | no_return = 1; | |
1115 | } | |
07bf635f RS |
1116 | |
1117 | if (horizontal_p) | |
1118 | where.y = 0; | |
1119 | else | |
1120 | where.x = 0; | |
1121 | } | |
5c520e0a | 1122 | |
07bf635f | 1123 | if (!just_compute_p) |
be06a3df GM |
1124 | draw_shadow_rectangle (mw, ws->window, 0, 0, ws->width, ws->height, |
1125 | False, False); | |
07bf635f RS |
1126 | } |
1127 | ||
1128 | \f/* Motion code */ | |
1129 | static void | |
d398028f PR |
1130 | set_new_state (mw, val, level) |
1131 | XlwMenuWidget mw; | |
1132 | widget_value* val; | |
1133 | int level; | |
07bf635f RS |
1134 | { |
1135 | int i; | |
5c520e0a | 1136 | |
07bf635f RS |
1137 | mw->menu.new_depth = 0; |
1138 | for (i = 0; i < level; i++) | |
1139 | push_new_stack (mw, mw->menu.old_stack [i]); | |
1140 | push_new_stack (mw, val); | |
1141 | } | |
1142 | ||
1143 | static void | |
d398028f PR |
1144 | make_windows_if_needed (mw, n) |
1145 | XlwMenuWidget mw; | |
1146 | int n; | |
07bf635f RS |
1147 | { |
1148 | int i; | |
1149 | int start_at; | |
1150 | XSetWindowAttributes xswa; | |
1151 | int mask; | |
1152 | Window root = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
1153 | window_state* windows; | |
5c520e0a | 1154 | |
07bf635f RS |
1155 | if (mw->menu.windows_length >= n) |
1156 | return; | |
1157 | ||
1158 | xswa.save_under = True; | |
1159 | xswa.override_redirect = True; | |
1160 | xswa.background_pixel = mw->core.background_pixel; | |
1161 | xswa.border_pixel = mw->core.border_pixel; | |
1162 | xswa.event_mask = | |
d398028f | 1163 | ExposureMask | PointerMotionMask | PointerMotionHintMask |
07bf635f RS |
1164 | | ButtonReleaseMask | ButtonPressMask; |
1165 | xswa.cursor = mw->menu.cursor_shape; | |
1166 | mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
1167 | | CWEventMask | CWCursor; | |
5c520e0a | 1168 | |
07bf635f RS |
1169 | if (!mw->menu.windows) |
1170 | { | |
1171 | mw->menu.windows = | |
1172 | (window_state*)XtMalloc (n * sizeof (window_state)); | |
1173 | start_at = 0; | |
1174 | } | |
1175 | else | |
1176 | { | |
1177 | mw->menu.windows = | |
1178 | (window_state*)XtRealloc ((char*)mw->menu.windows, | |
1179 | n * sizeof (window_state)); | |
1180 | start_at = mw->menu.windows_length; | |
1181 | } | |
1182 | mw->menu.windows_length = n; | |
1183 | ||
1184 | windows = mw->menu.windows; | |
1185 | ||
1186 | for (i = start_at; i < n; i++) | |
1187 | { | |
1188 | windows [i].x = 0; | |
1189 | windows [i].y = 0; | |
1190 | windows [i].width = 1; | |
1191 | windows [i].height = 1; | |
1192 | windows [i].window = | |
1193 | XCreateWindow (XtDisplay (mw), root, 0, 0, 1, 1, | |
1194 | 0, 0, CopyFromParent, CopyFromParent, mask, &xswa); | |
1195 | } | |
1196 | } | |
1197 | ||
1198 | /* Make the window fit in the screen */ | |
1199 | static void | |
d398028f PR |
1200 | fit_to_screen (mw, ws, previous_ws, horizontal_p) |
1201 | XlwMenuWidget mw; | |
1202 | window_state* ws; | |
1203 | window_state* previous_ws; | |
1204 | Boolean horizontal_p; | |
07bf635f | 1205 | { |
ccf589a6 RS |
1206 | unsigned int screen_width = WidthOfScreen (XtScreen (mw)); |
1207 | unsigned int screen_height = HeightOfScreen (XtScreen (mw)); | |
1ba46f7d RS |
1208 | /* 1 if we are unable to avoid an overlap between |
1209 | this menu and the parent menu in the X dimension. */ | |
1210 | int horizontal_overlap = 0; | |
07bf635f RS |
1211 | |
1212 | if (ws->x < 0) | |
1213 | ws->x = 0; | |
1214 | else if (ws->x + ws->width > screen_width) | |
1215 | { | |
1216 | if (!horizontal_p) | |
b7fa4a06 MB |
1217 | /* The addition of shadow-thickness for a sub-menu's position is |
1218 | to reflect a similar adjustment when the menu is displayed to | |
1219 | the right of the invoking menu-item; it makes the sub-menu | |
1220 | look more `attached' to the menu-item. */ | |
1221 | ws->x = previous_ws->x - ws->width + mw->menu.shadow_thickness; | |
07bf635f RS |
1222 | else |
1223 | ws->x = screen_width - ws->width; | |
525b8232 | 1224 | if (ws->x < 0) |
1ba46f7d RS |
1225 | { |
1226 | ws->x = 0; | |
1227 | horizontal_overlap = 1; | |
1228 | } | |
1229 | } | |
1230 | /* If we overlap in X, try to avoid overlap in Y. */ | |
1231 | if (horizontal_overlap | |
1232 | && ws->y < previous_ws->y + previous_ws->height | |
1233 | && previous_ws->y < ws->y + ws->height) | |
1234 | { | |
1235 | /* Put this menu right below or right above PREVIOUS_WS | |
1236 | if there's room. */ | |
1237 | if (previous_ws->y + previous_ws->height + ws->height < screen_height) | |
1238 | ws->y = previous_ws->y + previous_ws->height; | |
1239 | else if (previous_ws->y - ws->height > 0) | |
1240 | ws->y = previous_ws->y - ws->height; | |
07bf635f | 1241 | } |
1ba46f7d | 1242 | |
07bf635f RS |
1243 | if (ws->y < 0) |
1244 | ws->y = 0; | |
1245 | else if (ws->y + ws->height > screen_height) | |
1246 | { | |
1247 | if (horizontal_p) | |
1248 | ws->y = previous_ws->y - ws->height; | |
1249 | else | |
1250 | ws->y = screen_height - ws->height; | |
5c520e0a | 1251 | if (ws->y < 0) |
525b8232 | 1252 | ws->y = 0; |
07bf635f RS |
1253 | } |
1254 | } | |
1255 | ||
1256 | /* Updates old_stack from new_stack and redisplays. */ | |
1257 | static void | |
d398028f PR |
1258 | remap_menubar (mw) |
1259 | XlwMenuWidget mw; | |
07bf635f RS |
1260 | { |
1261 | int i; | |
1262 | int last_same; | |
1263 | XPoint selection_position; | |
1264 | int old_depth = mw->menu.old_depth; | |
1265 | int new_depth = mw->menu.new_depth; | |
1266 | widget_value** old_stack; | |
1267 | widget_value** new_stack; | |
1268 | window_state* windows; | |
1269 | widget_value* old_selection; | |
1270 | widget_value* new_selection; | |
1271 | ||
1272 | /* Check that enough windows and old_stack are ready. */ | |
1273 | make_windows_if_needed (mw, new_depth); | |
1274 | make_old_stack_space (mw, new_depth); | |
1275 | windows = mw->menu.windows; | |
1276 | old_stack = mw->menu.old_stack; | |
1277 | new_stack = mw->menu.new_stack; | |
1278 | ||
1279 | /* compute the last identical different entry */ | |
1280 | for (i = 1; i < old_depth && i < new_depth; i++) | |
1281 | if (old_stack [i] != new_stack [i]) | |
1282 | break; | |
1283 | last_same = i - 1; | |
1284 | ||
1285 | /* Memorize the previously selected item to be able to refresh it */ | |
1286 | old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL; | |
1287 | if (old_selection && !old_selection->enabled) | |
1288 | old_selection = NULL; | |
1289 | new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL; | |
1290 | if (new_selection && !new_selection->enabled) | |
1291 | new_selection = NULL; | |
1292 | ||
d6fd6371 GM |
1293 | /* Call callback when the hightlighted item changes. */ |
1294 | if (old_selection || new_selection) | |
1295 | XtCallCallbackList ((Widget)mw, mw->menu.highlight, | |
1296 | (XtPointer) new_selection); | |
1297 | ||
07bf635f RS |
1298 | /* updates old_state from new_state. It has to be done now because |
1299 | display_menu (called below) uses the old_stack to know what to display. */ | |
1300 | for (i = last_same + 1; i < new_depth; i++) | |
1301 | old_stack [i] = new_stack [i]; | |
1302 | mw->menu.old_depth = new_depth; | |
1303 | ||
908ff139 | 1304 | /* refresh the last selection */ |
07bf635f RS |
1305 | selection_position.x = 0; |
1306 | selection_position.y = 0; | |
1307 | display_menu (mw, last_same, new_selection == old_selection, | |
1308 | &selection_position, NULL, NULL, old_selection, new_selection); | |
1309 | ||
1ba46f7d RS |
1310 | /* Now place the new menus. */ |
1311 | for (i = last_same + 1; i < new_depth && new_stack[i]->contents; i++) | |
07bf635f | 1312 | { |
1ba46f7d RS |
1313 | window_state *previous_ws = &windows[i - 1]; |
1314 | window_state *ws = &windows[i]; | |
07bf635f | 1315 | |
be06a3df GM |
1316 | ws->x = (previous_ws->x + selection_position.x |
1317 | + mw->menu.shadow_thickness); | |
b7fa4a06 | 1318 | if (mw->menu.horizontal && i == 1) |
be06a3df GM |
1319 | ws->x += mw->menu.margin; |
1320 | ||
1321 | #if 0 | |
07bf635f RS |
1322 | if (!mw->menu.horizontal || i > 1) |
1323 | ws->x += mw->menu.shadow_thickness; | |
be06a3df | 1324 | #endif |
5c520e0a | 1325 | |
be06a3df GM |
1326 | ws->y = (previous_ws->y + selection_position.y |
1327 | + mw->menu.shadow_thickness); | |
b7fa4a06 | 1328 | if (mw->menu.horizontal && i == 1) |
be06a3df | 1329 | ws->y += mw->menu.margin; |
07bf635f RS |
1330 | |
1331 | size_menu (mw, i); | |
1332 | ||
1333 | fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1); | |
1334 | ||
1335 | XClearWindow (XtDisplay (mw), ws->window); | |
1336 | XMoveResizeWindow (XtDisplay (mw), ws->window, ws->x, ws->y, | |
1337 | ws->width, ws->height); | |
1338 | XMapRaised (XtDisplay (mw), ws->window); | |
1339 | display_menu (mw, i, False, &selection_position, NULL, NULL, NULL, NULL); | |
1340 | } | |
1341 | ||
1342 | /* unmap the menus that popped down */ | |
1343 | for (i = new_depth - 1; i < old_depth; i++) | |
1ba46f7d RS |
1344 | if (i >= new_depth || !new_stack[i]->contents) |
1345 | XUnmapWindow (XtDisplay (mw), windows[i].window); | |
07bf635f RS |
1346 | } |
1347 | ||
1348 | static Boolean | |
d398028f PR |
1349 | motion_event_is_in_menu (mw, ev, level, relative_pos) |
1350 | XlwMenuWidget mw; | |
1351 | XMotionEvent* ev; | |
1352 | int level; | |
1353 | XPoint* relative_pos; | |
07bf635f RS |
1354 | { |
1355 | window_state* ws = &mw->menu.windows [level]; | |
4f08464c RS |
1356 | int shadow = level == 0 ? 0 : mw->menu.shadow_thickness; |
1357 | int x = ws->x + shadow; | |
1358 | int y = ws->y + shadow; | |
07bf635f RS |
1359 | relative_pos->x = ev->x_root - x; |
1360 | relative_pos->y = ev->y_root - y; | |
4f08464c RS |
1361 | return (x - shadow < ev->x_root && ev->x_root < x + ws->width |
1362 | && y - shadow < ev->y_root && ev->y_root < y + ws->height); | |
07bf635f RS |
1363 | } |
1364 | ||
1365 | static Boolean | |
d398028f PR |
1366 | map_event_to_widget_value (mw, ev, val, level) |
1367 | XlwMenuWidget mw; | |
1368 | XMotionEvent* ev; | |
1369 | widget_value** val; | |
1370 | int* level; | |
07bf635f RS |
1371 | { |
1372 | int i; | |
1373 | XPoint relative_pos; | |
1374 | window_state* ws; | |
1375 | ||
1376 | *val = NULL; | |
5c520e0a | 1377 | |
07bf635f RS |
1378 | /* Find the window */ |
1379 | for (i = mw->menu.old_depth - 1; i >= 0; i--) | |
1380 | { | |
1381 | ws = &mw->menu.windows [i]; | |
1382 | if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos)) | |
1383 | { | |
1384 | display_menu (mw, i, True, NULL, &relative_pos, val, NULL, NULL); | |
1385 | ||
1386 | if (*val) | |
1387 | { | |
1388 | *level = i + 1; | |
1389 | return True; | |
1390 | } | |
1391 | } | |
1392 | } | |
1393 | return False; | |
1394 | } | |
1395 | ||
1396 | \f/* Procedures */ | |
1397 | static void | |
d398028f PR |
1398 | make_drawing_gcs (mw) |
1399 | XlwMenuWidget mw; | |
07bf635f RS |
1400 | { |
1401 | XGCValues xgcv; | |
1402 | ||
1403 | xgcv.font = mw->menu.font->fid; | |
1404 | xgcv.foreground = mw->menu.foreground; | |
1405 | xgcv.background = mw->core.background_pixel; | |
1406 | mw->menu.foreground_gc = XtGetGC ((Widget)mw, | |
1407 | GCFont | GCForeground | GCBackground, | |
1408 | &xgcv); | |
5c520e0a | 1409 | |
07bf635f RS |
1410 | xgcv.font = mw->menu.font->fid; |
1411 | xgcv.foreground = mw->menu.button_foreground; | |
1412 | xgcv.background = mw->core.background_pixel; | |
1413 | mw->menu.button_gc = XtGetGC ((Widget)mw, | |
1414 | GCFont | GCForeground | GCBackground, | |
1415 | &xgcv); | |
5c520e0a | 1416 | |
07bf635f RS |
1417 | xgcv.font = mw->menu.font->fid; |
1418 | xgcv.foreground = mw->menu.foreground; | |
1419 | xgcv.background = mw->core.background_pixel; | |
1420 | xgcv.fill_style = FillStippled; | |
1421 | xgcv.stipple = mw->menu.gray_pixmap; | |
1422 | mw->menu.inactive_gc = XtGetGC ((Widget)mw, | |
1423 | (GCFont | GCForeground | GCBackground | |
1424 | | GCFillStyle | GCStipple), &xgcv); | |
5c520e0a | 1425 | |
07bf635f RS |
1426 | xgcv.font = mw->menu.font->fid; |
1427 | xgcv.foreground = mw->menu.button_foreground; | |
1428 | xgcv.background = mw->core.background_pixel; | |
1429 | xgcv.fill_style = FillStippled; | |
1430 | xgcv.stipple = mw->menu.gray_pixmap; | |
1431 | mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, | |
1432 | (GCFont | GCForeground | GCBackground | |
1433 | | GCFillStyle | GCStipple), &xgcv); | |
5c520e0a | 1434 | |
07bf635f RS |
1435 | xgcv.font = mw->menu.font->fid; |
1436 | xgcv.foreground = mw->core.background_pixel; | |
1437 | xgcv.background = mw->menu.foreground; | |
1438 | mw->menu.background_gc = XtGetGC ((Widget)mw, | |
1439 | GCFont | GCForeground | GCBackground, | |
1440 | &xgcv); | |
1441 | } | |
1442 | ||
1443 | static void | |
d398028f PR |
1444 | release_drawing_gcs (mw) |
1445 | XlwMenuWidget mw; | |
07bf635f RS |
1446 | { |
1447 | XtReleaseGC ((Widget) mw, mw->menu.foreground_gc); | |
1448 | XtReleaseGC ((Widget) mw, mw->menu.button_gc); | |
1449 | XtReleaseGC ((Widget) mw, mw->menu.inactive_gc); | |
1450 | XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc); | |
1451 | XtReleaseGC ((Widget) mw, mw->menu.background_gc); | |
1452 | /* let's get some segvs if we try to use these... */ | |
1453 | mw->menu.foreground_gc = (GC) -1; | |
1454 | mw->menu.button_gc = (GC) -1; | |
1455 | mw->menu.inactive_gc = (GC) -1; | |
1456 | mw->menu.inactive_button_gc = (GC) -1; | |
1457 | mw->menu.background_gc = (GC) -1; | |
1458 | } | |
1459 | ||
1460 | #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \ | |
1461 | ? ((unsigned long) (x)) : ((unsigned long) (y))) | |
1462 | ||
1463 | static void | |
d398028f PR |
1464 | make_shadow_gcs (mw) |
1465 | XlwMenuWidget mw; | |
07bf635f RS |
1466 | { |
1467 | XGCValues xgcv; | |
1468 | unsigned long pm = 0; | |
1469 | Display *dpy = XtDisplay ((Widget) mw); | |
be06a3df | 1470 | Screen *screen = XtScreen ((Widget) mw); |
b0404f9f | 1471 | Colormap cmap = mw->core.colormap; |
07bf635f RS |
1472 | XColor topc, botc; |
1473 | int top_frobbed = 0, bottom_frobbed = 0; | |
1474 | ||
bba2a923 GM |
1475 | mw->menu.free_top_shadow_color_p = 0; |
1476 | mw->menu.free_bottom_shadow_color_p = 0; | |
1477 | ||
07bf635f RS |
1478 | if (mw->menu.top_shadow_color == -1) |
1479 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
bba2a923 GM |
1480 | else |
1481 | mw->menu.top_shadow_color = mw->menu.top_shadow_color; | |
5c520e0a | 1482 | |
07bf635f RS |
1483 | if (mw->menu.bottom_shadow_color == -1) |
1484 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
bba2a923 GM |
1485 | else |
1486 | mw->menu.bottom_shadow_color = mw->menu.bottom_shadow_color; | |
07bf635f RS |
1487 | |
1488 | if (mw->menu.top_shadow_color == mw->core.background_pixel || | |
1489 | mw->menu.top_shadow_color == mw->menu.foreground) | |
1490 | { | |
1491 | topc.pixel = mw->core.background_pixel; | |
65c0ae05 MB |
1492 | #ifdef emacs |
1493 | if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap, | |
1494 | &topc.pixel, | |
1495 | 1.2, 0x8000)) | |
1496 | #else | |
07bf635f RS |
1497 | XQueryColor (dpy, cmap, &topc); |
1498 | /* don't overflow/wrap! */ | |
1499 | topc.red = MINL (65535, topc.red * 1.2); | |
1500 | topc.green = MINL (65535, topc.green * 1.2); | |
1501 | topc.blue = MINL (65535, topc.blue * 1.2); | |
1502 | if (XAllocColor (dpy, cmap, &topc)) | |
be06a3df | 1503 | #endif |
07bf635f RS |
1504 | { |
1505 | mw->menu.top_shadow_color = topc.pixel; | |
bba2a923 | 1506 | mw->menu.free_top_shadow_color_p = 1; |
07bf635f RS |
1507 | top_frobbed = 1; |
1508 | } | |
1509 | } | |
1510 | if (mw->menu.bottom_shadow_color == mw->menu.foreground || | |
1511 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1512 | { | |
1513 | botc.pixel = mw->core.background_pixel; | |
65c0ae05 MB |
1514 | #ifdef emacs |
1515 | if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap, | |
1516 | &botc.pixel, | |
1517 | 0.6, 0x4000)) | |
1518 | #else | |
07bf635f RS |
1519 | XQueryColor (dpy, cmap, &botc); |
1520 | botc.red *= 0.6; | |
1521 | botc.green *= 0.6; | |
1522 | botc.blue *= 0.6; | |
1523 | if (XAllocColor (dpy, cmap, &botc)) | |
be06a3df | 1524 | #endif |
07bf635f RS |
1525 | { |
1526 | mw->menu.bottom_shadow_color = botc.pixel; | |
bba2a923 | 1527 | mw->menu.free_bottom_shadow_color_p = 1; |
07bf635f RS |
1528 | bottom_frobbed = 1; |
1529 | } | |
1530 | } | |
1531 | ||
1532 | if (top_frobbed && bottom_frobbed) | |
1533 | { | |
65c0ae05 | 1534 | if (topc.pixel == botc.pixel) |
07bf635f RS |
1535 | { |
1536 | if (botc.pixel == mw->menu.foreground) | |
fc8fefed | 1537 | { |
bba2a923 GM |
1538 | if (mw->menu.free_top_shadow_color_p) |
1539 | { | |
1540 | x_free_dpy_colors (dpy, screen, cmap, | |
1541 | &mw->menu.top_shadow_color, 1); | |
1542 | mw->menu.free_top_shadow_color_p = 0; | |
1543 | } | |
1544 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
fc8fefed | 1545 | } |
07bf635f | 1546 | else |
fc8fefed | 1547 | { |
bba2a923 GM |
1548 | if (mw->menu.free_bottom_shadow_color_p) |
1549 | { | |
1550 | x_free_dpy_colors (dpy, screen, cmap, | |
1551 | &mw->menu.bottom_shadow_color, 1); | |
1552 | mw->menu.free_bottom_shadow_color_p = 0; | |
1553 | } | |
1554 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
fc8fefed | 1555 | } |
07bf635f RS |
1556 | } |
1557 | } | |
1558 | ||
1559 | if (!mw->menu.top_shadow_pixmap && | |
1560 | mw->menu.top_shadow_color == mw->core.background_pixel) | |
1561 | { | |
1562 | mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap; | |
bba2a923 GM |
1563 | if (mw->menu.free_top_shadow_color_p) |
1564 | { | |
1565 | x_free_dpy_colors (dpy, screen, cmap, &mw->menu.top_shadow_color, 1); | |
1566 | mw->menu.free_top_shadow_color_p = 0; | |
1567 | } | |
1568 | mw->menu.top_shadow_color = mw->menu.foreground; | |
07bf635f RS |
1569 | } |
1570 | if (!mw->menu.bottom_shadow_pixmap && | |
1571 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1572 | { | |
1573 | mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap; | |
bba2a923 GM |
1574 | if (mw->menu.free_bottom_shadow_color_p) |
1575 | { | |
1576 | x_free_dpy_colors (dpy, screen, cmap, | |
1577 | &mw->menu.bottom_shadow_color, 1); | |
1578 | mw->menu.free_bottom_shadow_color_p = 0; | |
1579 | } | |
1580 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
07bf635f RS |
1581 | } |
1582 | ||
1583 | xgcv.fill_style = FillStippled; | |
1584 | xgcv.foreground = mw->menu.top_shadow_color; | |
1585 | xgcv.stipple = mw->menu.top_shadow_pixmap; | |
1586 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1587 | mw->menu.shadow_top_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1588 | ||
1589 | xgcv.foreground = mw->menu.bottom_shadow_color; | |
1590 | xgcv.stipple = mw->menu.bottom_shadow_pixmap; | |
1591 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1592 | mw->menu.shadow_bottom_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1593 | } | |
1594 | ||
1595 | ||
1596 | static void | |
d398028f PR |
1597 | release_shadow_gcs (mw) |
1598 | XlwMenuWidget mw; | |
07bf635f | 1599 | { |
fc8fefed GM |
1600 | Display *dpy = XtDisplay ((Widget) mw); |
1601 | Screen *screen = XtScreen ((Widget) mw); | |
1602 | Colormap cmap = mw->core.colormap; | |
1603 | Pixel px[2]; | |
bba2a923 GM |
1604 | int i = 0; |
1605 | ||
1606 | if (mw->menu.free_top_shadow_color_p) | |
1607 | px[i++] = mw->menu.top_shadow_color; | |
1608 | if (mw->menu.free_bottom_shadow_color_p) | |
1609 | px[i++] = mw->menu.bottom_shadow_color; | |
1610 | if (i > 0) | |
1611 | x_free_dpy_colors (dpy, screen, cmap, px, i); | |
5c520e0a | 1612 | |
07bf635f RS |
1613 | XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc); |
1614 | XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc); | |
1615 | } | |
1616 | ||
1617 | static void | |
47d52240 | 1618 | XlwMenuInitialize (request, mw, args, num_args) |
d398028f | 1619 | Widget request; |
47d52240 | 1620 | XlwMenuWidget mw; |
d398028f PR |
1621 | ArgList args; |
1622 | Cardinal *num_args; | |
07bf635f RS |
1623 | { |
1624 | /* Get the GCs and the widget size */ | |
07bf635f RS |
1625 | XSetWindowAttributes xswa; |
1626 | int mask; | |
5c520e0a | 1627 | |
07bf635f RS |
1628 | Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); |
1629 | Display* display = XtDisplay (mw); | |
5c520e0a | 1630 | |
d398028f PR |
1631 | #if 0 |
1632 | widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value)); | |
1633 | ||
1634 | /* _XtCreate is freeing the object that was passed to us, | |
1635 | so make a copy that we will actually keep. */ | |
1636 | lwlib_bcopy (mw->menu.contents, tem, sizeof (widget_value)); | |
1637 | mw->menu.contents = tem; | |
1638 | #endif | |
1639 | ||
07bf635f RS |
1640 | /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */ |
1641 | mw->menu.cursor = mw->menu.cursor_shape; | |
5c520e0a | 1642 | |
a504c8fa | 1643 | mw->menu.gray_pixmap |
f1c16db4 GM |
1644 | = XCreatePixmapFromBitmapData (display, window, gray_bitmap_bits, |
1645 | gray_bitmap_width, gray_bitmap_height, | |
a504c8fa | 1646 | (unsigned long)1, (unsigned long)0, 1); |
5c520e0a | 1647 | |
47d52240 RS |
1648 | /* I don't understand why this ends up 0 sometimes, |
1649 | but it does. This kludge works around it. | |
1650 | Can anyone find a real fix? -- rms. */ | |
1651 | if (mw->menu.font == 0) | |
1652 | mw->menu.font = xlwmenu_default_font; | |
1653 | ||
07bf635f RS |
1654 | make_drawing_gcs (mw); |
1655 | make_shadow_gcs (mw); | |
5c520e0a | 1656 | |
07bf635f RS |
1657 | xswa.background_pixel = mw->core.background_pixel; |
1658 | xswa.border_pixel = mw->core.border_pixel; | |
1659 | mask = CWBackPixel | CWBorderPixel; | |
5c520e0a | 1660 | |
07bf635f | 1661 | mw->menu.popped_up = False; |
5c520e0a | 1662 | |
07bf635f RS |
1663 | mw->menu.old_depth = 1; |
1664 | mw->menu.old_stack = (widget_value**)XtMalloc (sizeof (widget_value*)); | |
1665 | mw->menu.old_stack_length = 1; | |
1666 | mw->menu.old_stack [0] = mw->menu.contents; | |
5c520e0a | 1667 | |
07bf635f RS |
1668 | mw->menu.new_depth = 0; |
1669 | mw->menu.new_stack = 0; | |
1670 | mw->menu.new_stack_length = 0; | |
1671 | push_new_stack (mw, mw->menu.contents); | |
5c520e0a | 1672 | |
07bf635f RS |
1673 | mw->menu.windows = (window_state*)XtMalloc (sizeof (window_state)); |
1674 | mw->menu.windows_length = 1; | |
1675 | mw->menu.windows [0].x = 0; | |
1676 | mw->menu.windows [0].y = 0; | |
1677 | mw->menu.windows [0].width = 0; | |
1678 | mw->menu.windows [0].height = 0; | |
1679 | size_menu (mw, 0); | |
5c520e0a | 1680 | |
07bf635f RS |
1681 | mw->core.width = mw->menu.windows [0].width; |
1682 | mw->core.height = mw->menu.windows [0].height; | |
1683 | } | |
1684 | ||
1685 | static void | |
1686 | XlwMenuClassInitialize () | |
1687 | { | |
1688 | } | |
1689 | ||
1690 | static void | |
d398028f PR |
1691 | XlwMenuRealize (w, valueMask, attributes) |
1692 | Widget w; | |
1693 | Mask *valueMask; | |
1694 | XSetWindowAttributes *attributes; | |
07bf635f RS |
1695 | { |
1696 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1697 | XSetWindowAttributes xswa; | |
1698 | int mask; | |
1699 | ||
1700 | (*xlwMenuWidgetClass->core_class.superclass->core_class.realize) | |
1701 | (w, valueMask, attributes); | |
1702 | ||
1703 | xswa.save_under = True; | |
1704 | xswa.cursor = mw->menu.cursor_shape; | |
1705 | mask = CWSaveUnder | CWCursor; | |
1706 | XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa); | |
1707 | ||
1708 | mw->menu.windows [0].window = XtWindow (w); | |
1709 | mw->menu.windows [0].x = w->core.x; | |
1710 | mw->menu.windows [0].y = w->core.y; | |
1711 | mw->menu.windows [0].width = w->core.width; | |
1712 | mw->menu.windows [0].height = w->core.height; | |
1713 | } | |
1714 | ||
1715 | /* Only the toplevel menubar/popup is a widget so it's the only one that | |
1716 | receives expose events through Xt. So we repaint all the other panes | |
1717 | when receiving an Expose event. */ | |
5c520e0a | 1718 | static void |
d398028f PR |
1719 | XlwMenuRedisplay (w, ev, region) |
1720 | Widget w; | |
1721 | XEvent* ev; | |
1722 | Region region; | |
07bf635f RS |
1723 | { |
1724 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1725 | int i; | |
1726 | ||
d398028f PR |
1727 | /* If we have a depth beyond 1, it's because a submenu was displayed. |
1728 | If the submenu has been destroyed, set the depth back to 1. */ | |
1729 | if (submenu_destroyed) | |
1730 | { | |
1731 | mw->menu.old_depth = 1; | |
1732 | submenu_destroyed = 0; | |
1733 | } | |
1734 | ||
07bf635f RS |
1735 | for (i = 0; i < mw->menu.old_depth; i++) |
1736 | display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL); | |
1737 | } | |
1738 | ||
f3c9e544 GM |
1739 | |
1740 | /* Part of a hack to make the menu redisplay when a tooltip frame | |
1741 | over a menu item is unmapped. */ | |
1742 | ||
1743 | void | |
1744 | xlwmenu_redisplay (w) | |
1745 | Widget w; | |
1746 | { | |
1747 | XlwMenuRedisplay (w, NULL, None); | |
1748 | } | |
1749 | ||
5c520e0a | 1750 | static void |
d398028f PR |
1751 | XlwMenuDestroy (w) |
1752 | Widget w; | |
07bf635f RS |
1753 | { |
1754 | int i; | |
1755 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
1756 | ||
d398028f PR |
1757 | if (pointer_grabbed) |
1758 | XtUngrabPointer ((Widget)w, CurrentTime); | |
1759 | pointer_grabbed = 0; | |
1760 | ||
1761 | submenu_destroyed = 1; | |
1762 | ||
07bf635f RS |
1763 | release_drawing_gcs (mw); |
1764 | release_shadow_gcs (mw); | |
1765 | ||
1766 | /* this doesn't come from the resource db but is created explicitly | |
1767 | so we must free it ourselves. */ | |
1768 | XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap); | |
1769 | mw->menu.gray_pixmap = (Pixmap) -1; | |
1770 | ||
d398028f PR |
1771 | #if 0 |
1772 | /* Do free mw->menu.contents because nowadays we copy it | |
1773 | during initialization. */ | |
1774 | XtFree (mw->menu.contents); | |
1775 | #endif | |
1776 | ||
07bf635f RS |
1777 | /* Don't free mw->menu.contents because that comes from our creator. |
1778 | The `*_stack' elements are just pointers into `contents' so leave | |
1779 | that alone too. But free the stacks themselves. */ | |
1780 | if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack); | |
1781 | if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack); | |
1782 | ||
1783 | /* Remember, you can't free anything that came from the resource | |
1784 | database. This includes: | |
1785 | mw->menu.cursor | |
1786 | mw->menu.top_shadow_pixmap | |
1787 | mw->menu.bottom_shadow_pixmap | |
1788 | mw->menu.font | |
1789 | Also the color cells of top_shadow_color, bottom_shadow_color, | |
1790 | foreground, and button_foreground will never be freed until this | |
1791 | client exits. Nice, eh? | |
1792 | */ | |
1793 | ||
1794 | /* start from 1 because the one in slot 0 is w->core.window */ | |
1795 | for (i = 1; i < mw->menu.windows_length; i++) | |
1796 | XDestroyWindow (XtDisplay (mw), mw->menu.windows [i].window); | |
1797 | if (mw->menu.windows) | |
1798 | XtFree ((char *) mw->menu.windows); | |
1799 | } | |
1800 | ||
5c520e0a | 1801 | static Boolean |
d398028f PR |
1802 | XlwMenuSetValues (current, request, new) |
1803 | Widget current; | |
1804 | Widget request; | |
1805 | Widget new; | |
07bf635f RS |
1806 | { |
1807 | XlwMenuWidget oldmw = (XlwMenuWidget)current; | |
1808 | XlwMenuWidget newmw = (XlwMenuWidget)new; | |
1809 | Boolean redisplay = False; | |
1810 | int i; | |
1811 | ||
1812 | if (newmw->menu.contents | |
1813 | && newmw->menu.contents->contents | |
1814 | && newmw->menu.contents->contents->change >= VISIBLE_CHANGE) | |
1815 | redisplay = True; | |
ba624d0f RS |
1816 | /* Do redisplay if the contents are entirely eliminated. */ |
1817 | if (newmw->menu.contents | |
1818 | && newmw->menu.contents->contents == 0 | |
1819 | && newmw->menu.contents->change >= VISIBLE_CHANGE) | |
1820 | redisplay = True; | |
07bf635f RS |
1821 | |
1822 | if (newmw->core.background_pixel != oldmw->core.background_pixel | |
d398028f PR |
1823 | || newmw->menu.foreground != oldmw->menu.foreground |
1824 | || newmw->menu.font != oldmw->menu.font) | |
07bf635f RS |
1825 | { |
1826 | release_drawing_gcs (newmw); | |
1827 | make_drawing_gcs (newmw); | |
90c7e9f0 MB |
1828 | |
1829 | release_shadow_gcs (newmw); | |
1830 | /* Cause the shadow colors to be recalculated. */ | |
1831 | newmw->menu.top_shadow_color = -1; | |
1832 | newmw->menu.bottom_shadow_color = -1; | |
1833 | make_shadow_gcs (newmw); | |
1834 | ||
07bf635f | 1835 | redisplay = True; |
5c520e0a | 1836 | |
43aa2f1b | 1837 | if (XtIsRealized (current)) |
da353f23 MB |
1838 | /* If the menu is currently displayed, change the display. */ |
1839 | for (i = 0; i < oldmw->menu.windows_length; i++) | |
1840 | { | |
1841 | XSetWindowBackground (XtDisplay (oldmw), | |
1842 | oldmw->menu.windows [i].window, | |
1843 | newmw->core.background_pixel); | |
1844 | /* clear windows and generate expose events */ | |
1845 | XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window, | |
1846 | 0, 0, 0, 0, True); | |
1847 | } | |
07bf635f RS |
1848 | } |
1849 | ||
1850 | return redisplay; | |
1851 | } | |
1852 | ||
5c520e0a | 1853 | static void |
d398028f PR |
1854 | XlwMenuResize (w) |
1855 | Widget w; | |
07bf635f RS |
1856 | { |
1857 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1858 | ||
d398028f PR |
1859 | if (mw->menu.popped_up) |
1860 | { | |
1861 | /* Don't allow the popup menu to resize itself. */ | |
1862 | mw->core.width = mw->menu.windows [0].width; | |
1863 | mw->core.height = mw->menu.windows [0].height; | |
1864 | mw->core.parent->core.width = mw->core.width ; | |
1865 | mw->core.parent->core.height = mw->core.height ; | |
1866 | } | |
1867 | else | |
1868 | { | |
1869 | mw->menu.windows [0].width = mw->core.width; | |
1870 | mw->menu.windows [0].height = mw->core.height; | |
1871 | } | |
07bf635f RS |
1872 | } |
1873 | ||
1874 | \f/* Action procedures */ | |
1875 | static void | |
d398028f PR |
1876 | handle_single_motion_event (mw, ev) |
1877 | XlwMenuWidget mw; | |
1878 | XMotionEvent* ev; | |
07bf635f RS |
1879 | { |
1880 | widget_value* val; | |
1881 | int level; | |
1882 | ||
1883 | if (!map_event_to_widget_value (mw, ev, &val, &level)) | |
1884 | pop_new_stack_if_no_contents (mw); | |
1885 | else | |
1886 | set_new_state (mw, val, level); | |
1887 | remap_menubar (mw); | |
5c520e0a | 1888 | |
07bf635f RS |
1889 | /* Sync with the display. Makes it feel better on X terms. */ |
1890 | XSync (XtDisplay (mw), False); | |
1891 | } | |
1892 | ||
1893 | static void | |
d398028f PR |
1894 | handle_motion_event (mw, ev) |
1895 | XlwMenuWidget mw; | |
1896 | XMotionEvent* ev; | |
07bf635f RS |
1897 | { |
1898 | int x = ev->x_root; | |
1899 | int y = ev->y_root; | |
1900 | int state = ev->state; | |
1901 | ||
1902 | handle_single_motion_event (mw, ev); | |
1903 | ||
1904 | /* allow motion events to be generated again */ | |
1905 | if (ev->is_hint | |
1906 | && XQueryPointer (XtDisplay (mw), ev->window, | |
1907 | &ev->root, &ev->subwindow, | |
1908 | &ev->x_root, &ev->y_root, | |
1909 | &ev->x, &ev->y, | |
1910 | &ev->state) | |
1911 | && ev->state == state | |
1912 | && (ev->x_root != x || ev->y_root != y)) | |
1913 | handle_single_motion_event (mw, ev); | |
1914 | } | |
1915 | ||
5c520e0a | 1916 | static void |
d398028f PR |
1917 | Start (w, ev, params, num_params) |
1918 | Widget w; | |
1919 | XEvent *ev; | |
1920 | String *params; | |
1921 | Cardinal *num_params; | |
07bf635f RS |
1922 | { |
1923 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1924 | ||
d398028f PR |
1925 | if (!mw->menu.popped_up) |
1926 | { | |
1927 | menu_post_event = *ev; | |
a57a1605 | 1928 | pop_up_menu (mw, (XButtonPressedEvent*) ev); |
d398028f PR |
1929 | } |
1930 | else | |
4cc76151 PR |
1931 | { |
1932 | /* If we push a button while the menu is posted semipermanently, | |
1933 | releasing the button should always pop the menu down. */ | |
1934 | next_release_must_exit = 1; | |
d398028f | 1935 | |
4cc76151 PR |
1936 | /* notes the absolute position of the menubar window */ |
1937 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
1938 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
07bf635f | 1939 | |
4cc76151 PR |
1940 | /* handles the down like a move, slots are compatible */ |
1941 | handle_motion_event (mw, &ev->xmotion); | |
1942 | } | |
07bf635f RS |
1943 | } |
1944 | ||
5c520e0a | 1945 | static void |
d398028f PR |
1946 | Drag (w, ev, params, num_params) |
1947 | Widget w; | |
1948 | XEvent *ev; | |
1949 | String *params; | |
1950 | Cardinal *num_params; | |
07bf635f RS |
1951 | { |
1952 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
3c9ce1c4 KH |
1953 | if (mw->menu.popped_up) |
1954 | handle_motion_event (mw, &ev->xmotion); | |
07bf635f RS |
1955 | } |
1956 | ||
ba624d0f RS |
1957 | /* Do nothing. |
1958 | This is how we handle presses and releases of modifier keys. */ | |
1959 | static void | |
1960 | Nothing (w, ev, params, num_params) | |
1961 | Widget w; | |
1962 | XEvent *ev; | |
1963 | String *params; | |
1964 | Cardinal *num_params; | |
1965 | { | |
1966 | } | |
1967 | ||
1968 | /* Handle key press and release events while menu is popped up. | |
1969 | Our action is to get rid of the menu. */ | |
1970 | static void | |
1971 | Key (w, ev, params, num_params) | |
1972 | Widget w; | |
1973 | XEvent *ev; | |
1974 | String *params; | |
1975 | Cardinal *num_params; | |
1976 | { | |
1977 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1978 | ||
1979 | /* Pop down everything. */ | |
1980 | mw->menu.new_depth = 1; | |
1981 | remap_menubar (mw); | |
1982 | ||
1983 | if (mw->menu.popped_up) | |
1984 | { | |
1985 | mw->menu.popped_up = False; | |
1986 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
1987 | if (XtIsShell (XtParent ((Widget) mw))) | |
1988 | XtPopdown (XtParent ((Widget) mw)); | |
1989 | else | |
1990 | { | |
1991 | XtRemoveGrab ((Widget) mw); | |
1992 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
1993 | } | |
1994 | } | |
1995 | ||
1996 | /* callback */ | |
1997 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)0); | |
1998 | } | |
1999 | ||
2000 | static void | |
d398028f PR |
2001 | Select (w, ev, params, num_params) |
2002 | Widget w; | |
2003 | XEvent *ev; | |
2004 | String *params; | |
2005 | Cardinal *num_params; | |
07bf635f RS |
2006 | { |
2007 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
2008 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
5c520e0a | 2009 | |
d398028f PR |
2010 | /* If user releases the button quickly, without selecting anything, |
2011 | after the initial down-click that brought the menu up, | |
2012 | do nothing. */ | |
2013 | if ((selected_item == 0 | |
2014 | || ((widget_value *) selected_item)->call_data == 0) | |
2015 | && !next_release_must_exit | |
2016 | && (ev->xbutton.time - menu_post_event.xbutton.time | |
2017 | < XtGetMultiClickTime (XtDisplay (w)))) | |
2018 | return; | |
2019 | ||
2020 | /* pop down everything. */ | |
07bf635f RS |
2021 | mw->menu.new_depth = 1; |
2022 | remap_menubar (mw); | |
2023 | ||
2024 | if (mw->menu.popped_up) | |
2025 | { | |
2026 | mw->menu.popped_up = False; | |
2027 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
2289f3f4 PR |
2028 | if (XtIsShell (XtParent ((Widget) mw))) |
2029 | XtPopdown (XtParent ((Widget) mw)); | |
4cc76151 PR |
2030 | else |
2031 | { | |
2032 | XtRemoveGrab ((Widget) mw); | |
2033 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
2034 | } | |
07bf635f RS |
2035 | } |
2036 | ||
2037 | /* callback */ | |
2038 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)selected_item); | |
07bf635f RS |
2039 | } |
2040 | ||
2041 | ||
2042 | \f/* Special code to pop-up a menu */ | |
2043 | void | |
d398028f PR |
2044 | pop_up_menu (mw, event) |
2045 | XlwMenuWidget mw; | |
2046 | XButtonPressedEvent* event; | |
07bf635f RS |
2047 | { |
2048 | int x = event->x_root; | |
2049 | int y = event->y_root; | |
2050 | int w; | |
2051 | int h; | |
2052 | int borderwidth = mw->menu.shadow_thickness; | |
2053 | Screen* screen = XtScreen (mw); | |
8400b9ed | 2054 | Display *display = XtDisplay (mw); |
5efb61c7 | 2055 | int count; |
07bf635f | 2056 | |
d398028f PR |
2057 | next_release_must_exit = 0; |
2058 | ||
07bf635f RS |
2059 | XtCallCallbackList ((Widget)mw, mw->menu.open, NULL); |
2060 | ||
2289f3f4 | 2061 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 2062 | size_menu (mw, 0); |
07bf635f RS |
2063 | |
2064 | w = mw->menu.windows [0].width; | |
2065 | h = mw->menu.windows [0].height; | |
2066 | ||
2067 | x -= borderwidth; | |
2068 | y -= borderwidth; | |
2069 | if (x < borderwidth) | |
2070 | x = borderwidth; | |
2071 | if (x + w + 2 * borderwidth > WidthOfScreen (screen)) | |
2072 | x = WidthOfScreen (screen) - w - 2 * borderwidth; | |
2073 | if (y < borderwidth) | |
2074 | y = borderwidth; | |
2075 | if (y + h + 2 * borderwidth> HeightOfScreen (screen)) | |
2076 | y = HeightOfScreen (screen) - h - 2 * borderwidth; | |
2077 | ||
2078 | mw->menu.popped_up = True; | |
2289f3f4 | 2079 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 2080 | { |
2289f3f4 PR |
2081 | XtConfigureWidget (XtParent ((Widget)mw), x, y, w, h, |
2082 | XtParent ((Widget)mw)->core.border_width); | |
2083 | XtPopup (XtParent ((Widget)mw), XtGrabExclusive); | |
4cc76151 PR |
2084 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); |
2085 | mw->menu.windows [0].x = x + borderwidth; | |
2086 | mw->menu.windows [0].y = y + borderwidth; | |
2087 | } | |
2088 | else | |
2089 | { | |
2090 | XEvent *ev = (XEvent *) event; | |
2091 | ||
87a559bf | 2092 | XtAddGrab ((Widget) mw, True, True); |
4cc76151 PR |
2093 | |
2094 | /* notes the absolute position of the menubar window */ | |
2095 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
2096 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
2097 | } | |
2098 | ||
d398028f | 2099 | #ifdef emacs |
5efb61c7 | 2100 | count = x_catch_errors (display); |
d398028f | 2101 | #endif |
87a559bf PR |
2102 | XtGrabPointer ((Widget)mw, False, |
2103 | (PointerMotionMask | |
2104 | | PointerMotionHintMask | |
2105 | | ButtonReleaseMask | |
2106 | | ButtonPressMask), | |
2107 | GrabModeAsync, GrabModeAsync, None, | |
2108 | mw->menu.cursor_shape, | |
2109 | event->time); | |
2110 | pointer_grabbed = 1; | |
d398028f | 2111 | #ifdef emacs |
8400b9ed | 2112 | if (x_had_errors_p (display)) |
d398028f PR |
2113 | { |
2114 | pointer_grabbed = 0; | |
2115 | XtUngrabPointer ((Widget)mw, event->time); | |
2116 | } | |
5efb61c7 | 2117 | x_uncatch_errors (display, count); |
d398028f | 2118 | #endif |
07bf635f | 2119 | |
07bf635f RS |
2120 | handle_motion_event (mw, (XMotionEvent*)event); |
2121 | } |