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 | ||
2f96293d RS |
27 | #include "../src/lisp.h" |
28 | ||
07bf635f RS |
29 | #include <stdio.h> |
30 | ||
31 | #include <sys/types.h> | |
5c520e0a SS |
32 | #if (defined __sun) && !(defined SUNOS41) |
33 | #define SUNOS41 | |
07bf635f | 34 | #include <X11/Xos.h> |
5c520e0a SS |
35 | #undef SUNOS41 |
36 | #else | |
37 | #include <X11/Xos.h> | |
38 | #endif | |
07bf635f | 39 | #include <X11/IntrinsicP.h> |
2289f3f4 | 40 | #include <X11/ObjectP.h> |
07bf635f RS |
41 | #include <X11/StringDefs.h> |
42 | #include <X11/cursorfont.h> | |
07bf635f | 43 | #include "xlwmenuP.h" |
fc8fefed | 44 | |
a57a1605 | 45 | #ifdef emacs |
f1c16db4 GM |
46 | |
47 | /* Defined in xfns.c. When config.h defines `static' as empty, we get | |
48 | redefinition errors when gray_bitmap is included more than once, so | |
49 | we're referring to the one include in xfns.c here. */ | |
50 | ||
51 | extern int gray_bitmap_width; | |
52 | extern int gray_bitmap_height; | |
5916243b | 53 | extern char *gray_bitmap_bits; |
f1c16db4 | 54 | |
a57a1605 DL |
55 | /* Defined in xterm.c. */ |
56 | extern int x_alloc_nearest_color_for_widget __P ((Widget, Colormap, XColor*)); | |
65c0ae05 MB |
57 | extern int x_alloc_lighter_color_for_widget __P ((Widget, Display*, Colormap, |
58 | unsigned long *, | |
59 | double, int)); | |
a57a1605 DL |
60 | extern int x_catch_errors __P ((Display*)); |
61 | extern int x_uncatch_errors __P ((Display*, int)); | |
62 | extern int x_had_errors_p __P ((Display*)); | |
63 | extern int x_clear_errors __P ((Display*)); | |
fc8fefed GM |
64 | extern unsigned long x_copy_dpy_color __P ((Display *, Colormap, |
65 | unsigned long)); | |
66 | ||
67 | /* Defined in xfaces.c. */ | |
68 | extern void x_free_dpy_colors __P ((Display *, Screen *, Colormap, | |
69 | unsigned long *pixels, int npixels)); | |
f1c16db4 GM |
70 | #else /* not emacs */ |
71 | ||
72 | #include <X11/bitmaps/gray> | |
73 | #define gray_bitmap_width gray_width | |
74 | #define gray_bitmap_height gray_height | |
75 | #define gray_bitmap_bits gray_bits | |
76 | ||
77 | #endif /* not emacs */ | |
d398028f PR |
78 | |
79 | static int pointer_grabbed; | |
80 | static XEvent menu_post_event; | |
07bf635f | 81 | |
47d52240 RS |
82 | XFontStruct *xlwmenu_default_font; |
83 | ||
5c520e0a SS |
84 | static char |
85 | xlwMenuTranslations [] = | |
ba624d0f RS |
86 | "<BtnDown>: start()\n\ |
87 | <Motion>: drag()\n\ | |
88 | <BtnUp>: select()\n\ | |
89 | <Key>Shift_L: nothing()\n\ | |
90 | <Key>Shift_R: nothing()\n\ | |
91 | <Key>Meta_L: nothing()\n\ | |
92 | <Key>Meta_R: nothing()\n\ | |
93 | <Key>Control_L: nothing()\n\ | |
94 | <Key>Control_R: nothing()\n\ | |
95 | <Key>Hyper_L: nothing()\n\ | |
96 | <Key>Hyper_R: nothing()\n\ | |
97 | <Key>Super_L: nothing()\n\ | |
98 | <Key>Super_R: nothing()\n\ | |
99 | <Key>Alt_L: nothing()\n\ | |
100 | <Key>Alt_R: nothing()\n\ | |
101 | <Key>Caps_Lock: nothing()\n\ | |
102 | <Key>Shift_Lock: nothing()\n\ | |
103 | <KeyUp>Shift_L: nothing()\n\ | |
104 | <KeyUp>Shift_R: nothing()\n\ | |
105 | <KeyUp>Meta_L: nothing()\n\ | |
106 | <KeyUp>Meta_R: nothing()\n\ | |
107 | <KeyUp>Control_L: nothing()\n\ | |
108 | <KeyUp>Control_R: nothing()\n\ | |
109 | <KeyUp>Hyper_L: nothing()\n\ | |
110 | <KeyUp>Hyper_R: nothing()\n\ | |
111 | <KeyUp>Super_L: nothing()\n\ | |
112 | <KeyUp>Super_R: nothing()\n\ | |
113 | <KeyUp>Alt_L: nothing()\n\ | |
114 | <KeyUp>Alt_R: nothing()\n\ | |
115 | <KeyUp>Caps_Lock: nothing()\n\ | |
116 | <KeyUp>Shift_Lock:nothing()\n\ | |
117 | <Key>: key()\n\ | |
118 | <KeyUp>: key()\n\ | |
07bf635f RS |
119 | "; |
120 | ||
121 | #define offset(field) XtOffset(XlwMenuWidget, field) | |
5c520e0a | 122 | static XtResource |
07bf635f | 123 | xlwMenuResources[] = |
5c520e0a | 124 | { |
07bf635f RS |
125 | {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), |
126 | offset(menu.font),XtRString, "XtDefaultFont"}, | |
127 | {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), | |
128 | offset(menu.foreground), XtRString, "XtDefaultForeground"}, | |
129 | {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel), | |
130 | offset(menu.button_foreground), XtRString, "XtDefaultForeground"}, | |
131 | {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension), | |
be06a3df | 132 | offset(menu.margin), XtRImmediate, (XtPointer) 4}, |
07bf635f RS |
133 | {XtNhorizontalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), |
134 | offset(menu.horizontal_spacing), XtRImmediate, (XtPointer)3}, | |
135 | {XtNverticalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
136 | offset(menu.vertical_spacing), XtRImmediate, (XtPointer)1}, | |
137 | {XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
138 | offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10}, | |
139 | ||
d398028f | 140 | {XmNshadowThickness, XmCShadowThickness, XtRDimension, |
07bf635f RS |
141 | sizeof (Dimension), offset (menu.shadow_thickness), |
142 | XtRImmediate, (XtPointer) 2}, | |
143 | {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel), | |
144 | offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1}, | |
145 | {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel), | |
146 | offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1}, | |
147 | {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
148 | offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
149 | {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
150 | offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
151 | ||
5c520e0a | 152 | {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer), |
07bf635f | 153 | offset(menu.open), XtRCallback, (XtPointer)NULL}, |
5c520e0a | 154 | {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer), |
07bf635f | 155 | offset(menu.select), XtRCallback, (XtPointer)NULL}, |
5c520e0a | 156 | {XtNhighlightCallback, XtCCallback, XtRCallback, sizeof(XtPointer), |
d6fd6371 | 157 | offset(menu.highlight), XtRCallback, (XtPointer)NULL}, |
07bf635f RS |
158 | {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer), |
159 | offset(menu.contents), XtRImmediate, (XtPointer)NULL}, | |
160 | {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor), | |
161 | offset(menu.cursor_shape), XtRString, (XtPointer)"right_ptr"}, | |
162 | {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int), | |
163 | offset(menu.horizontal), XtRImmediate, (XtPointer)True}, | |
164 | }; | |
165 | #undef offset | |
166 | ||
167 | static Boolean XlwMenuSetValues(); | |
168 | static void XlwMenuRealize(); | |
169 | static void XlwMenuRedisplay(); | |
170 | static void XlwMenuResize(); | |
171 | static void XlwMenuInitialize(); | |
172 | static void XlwMenuRedisplay(); | |
173 | static void XlwMenuDestroy(); | |
174 | static void XlwMenuClassInitialize(); | |
175 | static void Start(); | |
176 | static void Drag(); | |
177 | static void Select(); | |
ba624d0f RS |
178 | static void Key(); |
179 | static void Nothing(); | |
be06a3df | 180 | static int separator_height (); |
07bf635f | 181 | |
5c520e0a | 182 | static XtActionsRec |
07bf635f RS |
183 | xlwMenuActionsList [] = |
184 | { | |
185 | {"start", Start}, | |
186 | {"drag", Drag}, | |
187 | {"select", Select}, | |
ba624d0f RS |
188 | {"key", Key}, |
189 | {"nothing", Nothing}, | |
07bf635f RS |
190 | }; |
191 | ||
192 | #define SuperClass ((CoreWidgetClass)&coreClassRec) | |
193 | ||
194 | XlwMenuClassRec xlwMenuClassRec = | |
195 | { | |
196 | { /* CoreClass fields initialization */ | |
5c520e0a | 197 | (WidgetClass) SuperClass, /* superclass */ |
07bf635f RS |
198 | "XlwMenu", /* class_name */ |
199 | sizeof(XlwMenuRec), /* size */ | |
200 | XlwMenuClassInitialize, /* class_initialize */ | |
201 | NULL, /* class_part_initialize */ | |
202 | FALSE, /* class_inited */ | |
203 | XlwMenuInitialize, /* initialize */ | |
204 | NULL, /* initialize_hook */ | |
205 | XlwMenuRealize, /* realize */ | |
206 | xlwMenuActionsList, /* actions */ | |
207 | XtNumber(xlwMenuActionsList), /* num_actions */ | |
208 | xlwMenuResources, /* resources */ | |
209 | XtNumber(xlwMenuResources), /* resource_count */ | |
210 | NULLQUARK, /* xrm_class */ | |
211 | TRUE, /* compress_motion */ | |
212 | TRUE, /* compress_exposure */ | |
213 | TRUE, /* compress_enterleave */ | |
214 | FALSE, /* visible_interest */ | |
215 | XlwMenuDestroy, /* destroy */ | |
216 | XlwMenuResize, /* resize */ | |
217 | XlwMenuRedisplay, /* expose */ | |
218 | XlwMenuSetValues, /* set_values */ | |
219 | NULL, /* set_values_hook */ | |
220 | XtInheritSetValuesAlmost, /* set_values_almost */ | |
221 | NULL, /* get_values_hook */ | |
222 | NULL, /* accept_focus */ | |
223 | XtVersion, /* version */ | |
224 | NULL, /* callback_private */ | |
225 | xlwMenuTranslations, /* tm_table */ | |
226 | XtInheritQueryGeometry, /* query_geometry */ | |
227 | XtInheritDisplayAccelerator, /* display_accelerator */ | |
228 | NULL /* extension */ | |
229 | }, /* XlwMenuClass fields initialization */ | |
230 | { | |
231 | 0 /* dummy */ | |
232 | }, | |
233 | }; | |
234 | ||
235 | WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec; | |
236 | ||
d398028f PR |
237 | int submenu_destroyed; |
238 | ||
239 | static int next_release_must_exit; | |
240 | ||
07bf635f | 241 | \f/* Utilities */ |
be06a3df GM |
242 | |
243 | ||
244 | /* Like abort, but remove grabs from widget W before. */ | |
245 | ||
246 | static void | |
247 | abort_gracefully (w) | |
248 | Widget w; | |
249 | { | |
250 | if (XtIsShell (XtParent (w))) | |
251 | XtRemoveGrab (w); | |
252 | XtUngrabPointer (w, CurrentTime); | |
253 | abort (); | |
254 | } | |
255 | ||
07bf635f | 256 | static void |
d398028f PR |
257 | push_new_stack (mw, val) |
258 | XlwMenuWidget mw; | |
259 | widget_value* val; | |
07bf635f RS |
260 | { |
261 | if (!mw->menu.new_stack) | |
262 | { | |
263 | mw->menu.new_stack_length = 10; | |
264 | mw->menu.new_stack = | |
265 | (widget_value**)XtCalloc (mw->menu.new_stack_length, | |
266 | sizeof (widget_value*)); | |
267 | } | |
268 | else if (mw->menu.new_depth == mw->menu.new_stack_length) | |
269 | { | |
270 | mw->menu.new_stack_length *= 2; | |
271 | mw->menu.new_stack = | |
272 | (widget_value**)XtRealloc ((char*)mw->menu.new_stack, | |
273 | mw->menu.new_stack_length * sizeof (widget_value*)); | |
274 | } | |
275 | mw->menu.new_stack [mw->menu.new_depth++] = val; | |
276 | } | |
277 | ||
278 | static void | |
d398028f PR |
279 | pop_new_stack_if_no_contents (mw) |
280 | XlwMenuWidget mw; | |
07bf635f RS |
281 | { |
282 | if (mw->menu.new_depth) | |
283 | { | |
284 | if (!mw->menu.new_stack [mw->menu.new_depth - 1]->contents) | |
285 | mw->menu.new_depth -= 1; | |
286 | } | |
287 | } | |
288 | ||
289 | static void | |
d398028f PR |
290 | make_old_stack_space (mw, n) |
291 | XlwMenuWidget mw; | |
292 | int n; | |
07bf635f RS |
293 | { |
294 | if (!mw->menu.old_stack) | |
295 | { | |
296 | mw->menu.old_stack_length = 10; | |
297 | mw->menu.old_stack = | |
298 | (widget_value**)XtCalloc (mw->menu.old_stack_length, | |
299 | sizeof (widget_value*)); | |
300 | } | |
301 | else if (mw->menu.old_stack_length < n) | |
302 | { | |
303 | mw->menu.old_stack_length *= 2; | |
304 | mw->menu.old_stack = | |
305 | (widget_value**)XtRealloc ((char*)mw->menu.old_stack, | |
306 | mw->menu.old_stack_length * sizeof (widget_value*)); | |
307 | } | |
308 | } | |
309 | ||
310 | \f/* Size code */ | |
d398028f PR |
311 | int |
312 | string_width (mw, s) | |
313 | XlwMenuWidget mw; | |
314 | char *s; | |
07bf635f RS |
315 | { |
316 | XCharStruct xcs; | |
317 | int drop; | |
5c520e0a | 318 | |
07bf635f RS |
319 | XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs); |
320 | return xcs.width; | |
321 | } | |
322 | ||
323 | static int | |
d398028f PR |
324 | arrow_width (mw) |
325 | XlwMenuWidget mw; | |
07bf635f | 326 | { |
be06a3df | 327 | return (mw->menu.font->ascent * 3/4) | 1; |
07bf635f RS |
328 | } |
329 | ||
be06a3df GM |
330 | /* Return the width of toggle buttons of widget MW. */ |
331 | ||
332 | static int | |
333 | toggle_button_width (mw) | |
334 | XlwMenuWidget mw; | |
335 | { | |
336 | return ((mw->menu.font->ascent + mw->menu.font->descent) * 2 / 3) | 1; | |
337 | } | |
338 | ||
339 | ||
340 | /* Return the width of radio buttons of widget MW. */ | |
341 | ||
342 | static int | |
343 | radio_button_width (mw) | |
344 | XlwMenuWidget mw; | |
345 | { | |
346 | return toggle_button_width (mw) * 1.41; | |
347 | } | |
348 | ||
349 | ||
07bf635f RS |
350 | static XtResource |
351 | nameResource[] = | |
5c520e0a | 352 | { |
07bf635f RS |
353 | {"labelString", "LabelString", XtRString, sizeof(String), |
354 | 0, XtRImmediate, 0}, | |
355 | }; | |
356 | ||
357 | static char* | |
d398028f PR |
358 | resource_widget_value (mw, val) |
359 | XlwMenuWidget mw; | |
360 | widget_value *val; | |
07bf635f RS |
361 | { |
362 | if (!val->toolkit_data) | |
363 | { | |
364 | char* resourced_name = NULL; | |
365 | char* complete_name; | |
366 | XtGetSubresources ((Widget) mw, | |
367 | (XtPointer) &resourced_name, | |
368 | val->name, val->name, | |
369 | nameResource, 1, NULL, 0); | |
370 | if (!resourced_name) | |
371 | resourced_name = val->name; | |
372 | if (!val->value) | |
d97342f3 RS |
373 | { |
374 | complete_name = (char *) XtMalloc (strlen (resourced_name) + 1); | |
375 | strcpy (complete_name, resourced_name); | |
376 | } | |
07bf635f RS |
377 | else |
378 | { | |
379 | int complete_length = | |
380 | strlen (resourced_name) + strlen (val->value) + 2; | |
381 | complete_name = XtMalloc (complete_length); | |
382 | *complete_name = 0; | |
383 | strcat (complete_name, resourced_name); | |
384 | strcat (complete_name, " "); | |
385 | strcat (complete_name, val->value); | |
386 | } | |
387 | ||
388 | val->toolkit_data = complete_name; | |
389 | val->free_toolkit_data = True; | |
390 | } | |
391 | return (char*)val->toolkit_data; | |
392 | } | |
393 | ||
394 | /* Returns the sizes of an item */ | |
395 | static void | |
be06a3df GM |
396 | size_menu_item (mw, val, horizontal_p, label_width, rest_width, button_width, |
397 | height) | |
d398028f PR |
398 | XlwMenuWidget mw; |
399 | widget_value* val; | |
400 | int horizontal_p; | |
401 | int* label_width; | |
402 | int* rest_width; | |
be06a3df | 403 | int* button_width; |
d398028f | 404 | int* height; |
07bf635f | 405 | { |
be06a3df | 406 | enum menu_separator separator; |
5c520e0a | 407 | |
be06a3df | 408 | if (lw_separator_p (val->name, &separator, 0)) |
07bf635f | 409 | { |
be06a3df | 410 | *height = separator_height (separator); |
07bf635f RS |
411 | *label_width = 1; |
412 | *rest_width = 0; | |
be06a3df | 413 | *button_width = 0; |
07bf635f RS |
414 | } |
415 | else | |
416 | { | |
417 | *height = | |
418 | mw->menu.font->ascent + mw->menu.font->descent | |
419 | + 2 * mw->menu.vertical_spacing + 2 * mw->menu.shadow_thickness; | |
5c520e0a | 420 | |
07bf635f RS |
421 | *label_width = |
422 | string_width (mw, resource_widget_value (mw, val)) | |
423 | + mw->menu.horizontal_spacing + mw->menu.shadow_thickness; | |
5c520e0a | 424 | |
07bf635f RS |
425 | *rest_width = mw->menu.horizontal_spacing + mw->menu.shadow_thickness; |
426 | if (!horizontal_p) | |
427 | { | |
428 | if (val->contents) | |
be06a3df | 429 | /* Add width of the arrow displayed for submenus. */ |
07bf635f RS |
430 | *rest_width += arrow_width (mw) + mw->menu.arrow_spacing; |
431 | else if (val->key) | |
be06a3df GM |
432 | /* Add width of key equivalent string. */ |
433 | *rest_width += (string_width (mw, val->key) | |
434 | + mw->menu.arrow_spacing); | |
435 | ||
436 | if (val->button_type == BUTTON_TYPE_TOGGLE) | |
437 | *button_width = (toggle_button_width (mw) | |
438 | + mw->menu.horizontal_spacing); | |
439 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
440 | *button_width = (radio_button_width (mw) | |
441 | + mw->menu.horizontal_spacing); | |
07bf635f RS |
442 | } |
443 | } | |
444 | } | |
445 | ||
446 | static void | |
d398028f PR |
447 | size_menu (mw, level) |
448 | XlwMenuWidget mw; | |
449 | int level; | |
07bf635f | 450 | { |
ccf589a6 | 451 | unsigned int label_width = 0; |
07bf635f | 452 | int rest_width = 0; |
be06a3df | 453 | int button_width = 0; |
07bf635f | 454 | int max_rest_width = 0; |
be06a3df | 455 | int max_button_width = 0; |
ccf589a6 | 456 | unsigned int height = 0; |
07bf635f RS |
457 | int horizontal_p = mw->menu.horizontal && (level == 0); |
458 | widget_value* val; | |
459 | window_state* ws; | |
460 | ||
461 | if (level >= mw->menu.old_depth) | |
be06a3df | 462 | abort_gracefully ((Widget) mw); |
07bf635f | 463 | |
5c520e0a | 464 | ws = &mw->menu.windows [level]; |
07bf635f RS |
465 | ws->width = 0; |
466 | ws->height = 0; | |
467 | ws->label_width = 0; | |
be06a3df | 468 | ws->button_width = 0; |
07bf635f RS |
469 | |
470 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
471 | { | |
472 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, | |
be06a3df | 473 | &button_width, &height); |
07bf635f RS |
474 | if (horizontal_p) |
475 | { | |
476 | ws->width += label_width + rest_width; | |
477 | if (height > ws->height) | |
478 | ws->height = height; | |
479 | } | |
480 | else | |
481 | { | |
482 | if (label_width > ws->label_width) | |
483 | ws->label_width = label_width; | |
484 | if (rest_width > max_rest_width) | |
485 | max_rest_width = rest_width; | |
be06a3df GM |
486 | if (button_width > max_button_width) |
487 | max_button_width = button_width; | |
07bf635f RS |
488 | ws->height += height; |
489 | } | |
490 | } | |
5c520e0a | 491 | |
07bf635f | 492 | if (horizontal_p) |
be06a3df | 493 | ws->label_width = ws->button_width = 0; |
07bf635f | 494 | else |
be06a3df GM |
495 | { |
496 | ws->width = ws->label_width + max_rest_width + max_button_width; | |
497 | ws->button_width = max_button_width; | |
498 | } | |
07bf635f RS |
499 | |
500 | ws->width += 2 * mw->menu.shadow_thickness; | |
501 | ws->height += 2 * mw->menu.shadow_thickness; | |
be06a3df GM |
502 | |
503 | if (horizontal_p) | |
504 | { | |
505 | ws->width += 2 * mw->menu.margin; | |
506 | ws->height += 2 * mw->menu.margin; | |
507 | } | |
07bf635f RS |
508 | } |
509 | ||
510 | ||
511 | \f/* Display code */ | |
be06a3df | 512 | |
07bf635f | 513 | static void |
be06a3df | 514 | draw_arrow (mw, window, gc, x, y, width, down_p) |
d398028f PR |
515 | XlwMenuWidget mw; |
516 | Window window; | |
517 | GC gc; | |
518 | int x; | |
519 | int y; | |
520 | int width; | |
be06a3df | 521 | int down_p; |
07bf635f | 522 | { |
be06a3df GM |
523 | Display *dpy = XtDisplay (mw); |
524 | GC top_gc = mw->menu.shadow_top_gc; | |
525 | GC bottom_gc = mw->menu.shadow_bottom_gc; | |
526 | int thickness = mw->menu.shadow_thickness; | |
527 | int height = width; | |
528 | XPoint pt[10]; | |
529 | /* alpha = atan (0.5) | |
530 | factor = (1 + sin (alpha)) / cos (alpha) */ | |
531 | double factor = 1.62; | |
532 | int thickness2 = thickness * factor; | |
5c520e0a | 533 | |
be06a3df | 534 | y += (mw->menu.font->ascent + mw->menu.font->descent - height) / 2; |
5c520e0a | 535 | |
be06a3df GM |
536 | if (down_p) |
537 | { | |
538 | GC temp; | |
539 | temp = top_gc; | |
540 | top_gc = bottom_gc; | |
541 | bottom_gc = temp; | |
542 | } | |
543 | ||
544 | pt[0].x = x; | |
545 | pt[0].y = y + height; | |
546 | pt[1].x = x + thickness; | |
547 | pt[1].y = y + height - thickness2; | |
548 | pt[2].x = x + thickness2; | |
549 | pt[2].y = y + thickness2; | |
550 | pt[3].x = x; | |
551 | pt[3].y = y; | |
552 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
5c520e0a | 553 | |
be06a3df GM |
554 | pt[0].x = x; |
555 | pt[0].y = y; | |
556 | pt[1].x = x + thickness; | |
557 | pt[1].y = y + thickness2; | |
558 | pt[2].x = x + width - thickness2; | |
559 | pt[2].y = y + height / 2; | |
560 | pt[3].x = x + width; | |
561 | pt[3].y = y + height / 2; | |
562 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
5c520e0a | 563 | |
be06a3df GM |
564 | pt[0].x = x; |
565 | pt[0].y = y + height; | |
566 | pt[1].x = x + thickness; | |
567 | pt[1].y = y + height - thickness2; | |
568 | pt[2].x = x + width - thickness2; | |
569 | pt[2].y = y + height / 2; | |
570 | pt[3].x = x + width; | |
571 | pt[3].y = y + height / 2; | |
572 | XFillPolygon (dpy, window, bottom_gc, pt, 4, Convex, CoordModeOrigin); | |
07bf635f RS |
573 | } |
574 | ||
be06a3df GM |
575 | |
576 | ||
07bf635f | 577 | static void |
be06a3df | 578 | draw_shadow_rectangle (mw, window, x, y, width, height, erase_p, down_p) |
d398028f PR |
579 | XlwMenuWidget mw; |
580 | Window window; | |
581 | int x; | |
582 | int y; | |
583 | int width; | |
584 | int height; | |
585 | int erase_p; | |
be06a3df | 586 | int down_p; |
07bf635f RS |
587 | { |
588 | Display *dpy = XtDisplay (mw); | |
589 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
590 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
591 | int thickness = mw->menu.shadow_thickness; | |
592 | XPoint points [4]; | |
be06a3df GM |
593 | |
594 | if (!erase_p && down_p) | |
595 | { | |
596 | GC temp; | |
597 | temp = top_gc; | |
598 | top_gc = bottom_gc; | |
599 | bottom_gc = temp; | |
600 | } | |
5c520e0a | 601 | |
07bf635f RS |
602 | points [0].x = x; |
603 | points [0].y = y; | |
604 | points [1].x = x + width; | |
605 | points [1].y = y; | |
606 | points [2].x = x + width - thickness; | |
607 | points [2].y = y + thickness; | |
608 | points [3].x = x; | |
609 | points [3].y = y + thickness; | |
610 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
611 | points [0].x = x; | |
612 | points [0].y = y + thickness; | |
613 | points [1].x = x; | |
614 | points [1].y = y + height; | |
615 | points [2].x = x + thickness; | |
616 | points [2].y = y + height - thickness; | |
617 | points [3].x = x + thickness; | |
618 | points [3].y = y + thickness; | |
619 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
620 | points [0].x = x + width; | |
621 | points [0].y = y; | |
622 | points [1].x = x + width - thickness; | |
623 | points [1].y = y + thickness; | |
624 | points [2].x = x + width - thickness; | |
625 | points [2].y = y + height - thickness; | |
626 | points [3].x = x + width; | |
627 | points [3].y = y + height - thickness; | |
628 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
629 | points [0].x = x; | |
630 | points [0].y = y + height; | |
631 | points [1].x = x + width; | |
632 | points [1].y = y + height; | |
633 | points [2].x = x + width; | |
634 | points [2].y = y + height - thickness; | |
635 | points [3].x = x + thickness; | |
636 | points [3].y = y + height - thickness; | |
637 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
638 | } | |
639 | ||
640 | ||
be06a3df GM |
641 | static void |
642 | draw_shadow_rhombus (mw, window, x, y, width, height, erase_p, down_p) | |
643 | XlwMenuWidget mw; | |
644 | Window window; | |
645 | int x; | |
646 | int y; | |
647 | int width; | |
648 | int height; | |
649 | int erase_p; | |
650 | int down_p; | |
651 | { | |
652 | Display *dpy = XtDisplay (mw); | |
653 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
654 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
655 | int thickness = mw->menu.shadow_thickness; | |
656 | XPoint points [4]; | |
be06a3df GM |
657 | |
658 | if (!erase_p && down_p) | |
659 | { | |
660 | GC temp; | |
661 | temp = top_gc; | |
662 | top_gc = bottom_gc; | |
663 | bottom_gc = temp; | |
664 | } | |
665 | ||
666 | points [0].x = x; | |
667 | points [0].y = y + height / 2; | |
668 | points [1].x = x + thickness; | |
669 | points [1].y = y + height / 2; | |
670 | points [2].x = x + width / 2; | |
671 | points [2].y = y + thickness; | |
672 | points [3].x = x + width / 2; | |
673 | points [3].y = y; | |
674 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
675 | points [0].x = x + width / 2; | |
676 | points [0].y = y; | |
677 | points [1].x = x + width / 2; | |
678 | points [1].y = y + thickness; | |
679 | points [2].x = x + width - thickness; | |
680 | points [2].y = y + height / 2; | |
681 | points [3].x = x + width; | |
682 | points [3].y = y + height / 2; | |
683 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
684 | points [0].x = x; | |
685 | points [0].y = y + height / 2; | |
686 | points [1].x = x + thickness; | |
687 | points [1].y = y + height / 2; | |
688 | points [2].x = x + width / 2; | |
689 | points [2].y = y + height - thickness; | |
690 | points [3].x = x + width / 2; | |
691 | points [3].y = y + height; | |
692 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
693 | points [0].x = x + width / 2; | |
694 | points [0].y = y + height; | |
695 | points [1].x = x + width / 2; | |
696 | points [1].y = y + height - thickness; | |
697 | points [2].x = x + width - thickness; | |
698 | points [2].y = y + height / 2; | |
699 | points [3].x = x + width; | |
700 | points [3].y = y + height / 2; | |
701 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
702 | } | |
703 | ||
704 | ||
705 | /* Draw a toggle button on widget MW, X window WINDOW. X/Y is the | |
706 | top-left corner of the menu item. SELECTED_P non-zero means the | |
707 | toggle button is selected. */ | |
708 | ||
709 | static void | |
710 | draw_toggle (mw, window, x, y, selected_p) | |
711 | XlwMenuWidget mw; | |
712 | Window window; | |
713 | int x, y, selected_p; | |
714 | { | |
715 | int width, height; | |
716 | ||
717 | width = toggle_button_width (mw); | |
718 | height = width; | |
719 | x += mw->menu.horizontal_spacing; | |
720 | y += (mw->menu.font->ascent - height) / 2; | |
721 | draw_shadow_rectangle (mw, window, x, y, width, height, False, selected_p); | |
722 | } | |
723 | ||
724 | ||
725 | /* Draw a radio button on widget MW, X window WINDOW. X/Y is the | |
726 | top-left corner of the menu item. SELECTED_P non-zero means the | |
727 | toggle button is selected. */ | |
728 | ||
729 | static void | |
730 | draw_radio (mw, window, x, y, selected_p) | |
731 | XlwMenuWidget mw; | |
732 | Window window; | |
733 | int x, y, selected_p; | |
734 | { | |
735 | int width, height; | |
736 | ||
737 | width = radio_button_width (mw); | |
738 | height = width; | |
739 | x += mw->menu.horizontal_spacing; | |
740 | y += (mw->menu.font->ascent - height) / 2; | |
741 | draw_shadow_rhombus (mw, window, x, y, width, height, False, selected_p); | |
742 | } | |
743 | ||
744 | ||
745 | /* Draw a menu separator on widget MW, X window WINDOW. X/Y is the | |
746 | top-left corner of the menu item. WIDTH is the width of the | |
747 | separator to draw. TYPE is the separator type. */ | |
748 | ||
749 | static void | |
750 | draw_separator (mw, window, x, y, width, type) | |
751 | XlwMenuWidget mw; | |
752 | Window window; | |
753 | int x, y, width; | |
754 | enum menu_separator type; | |
755 | { | |
756 | Display *dpy = XtDisplay (mw); | |
757 | XGCValues xgcv; | |
758 | ||
759 | switch (type) | |
760 | { | |
761 | case SEPARATOR_NO_LINE: | |
762 | break; | |
5c520e0a | 763 | |
be06a3df GM |
764 | case SEPARATOR_SINGLE_LINE: |
765 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
766 | x, y, x + width, y); | |
767 | break; | |
5c520e0a | 768 | |
be06a3df GM |
769 | case SEPARATOR_DOUBLE_LINE: |
770 | draw_separator (mw, window, x, y, width, SEPARATOR_SINGLE_LINE); | |
771 | draw_separator (mw, window, x, y + 2, width, SEPARATOR_SINGLE_LINE); | |
772 | break; | |
5c520e0a | 773 | |
be06a3df GM |
774 | case SEPARATOR_SINGLE_DASHED_LINE: |
775 | xgcv.line_style = LineOnOffDash; | |
776 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
777 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
778 | x, y, x + width, y); | |
779 | xgcv.line_style = LineSolid; | |
780 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
781 | break; | |
5c520e0a | 782 | |
be06a3df GM |
783 | case SEPARATOR_DOUBLE_DASHED_LINE: |
784 | draw_separator (mw, window, x, y, width, | |
785 | SEPARATOR_SINGLE_DASHED_LINE); | |
786 | draw_separator (mw, window, x, y + 2, width, | |
787 | SEPARATOR_SINGLE_DASHED_LINE); | |
788 | break; | |
5c520e0a | 789 | |
be06a3df GM |
790 | case SEPARATOR_SHADOW_ETCHED_IN: |
791 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
792 | x, y, x + width, y); | |
793 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
794 | x, y + 1, x + width, y + 1); | |
795 | break; | |
796 | ||
797 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
798 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
799 | x, y, x + width, y); | |
800 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
801 | x, y + 1, x + width, y + 1); | |
802 | break; | |
5c520e0a | 803 | |
be06a3df GM |
804 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: |
805 | xgcv.line_style = LineOnOffDash; | |
806 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
807 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
2f90328f | 808 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN); |
be06a3df GM |
809 | xgcv.line_style = LineSolid; |
810 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
811 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
812 | break; | |
5c520e0a | 813 | |
be06a3df GM |
814 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: |
815 | xgcv.line_style = LineOnOffDash; | |
816 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
817 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
2f90328f | 818 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_OUT); |
be06a3df GM |
819 | xgcv.line_style = LineSolid; |
820 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
821 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
822 | break; | |
823 | ||
824 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: | |
825 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN); | |
826 | draw_separator (mw, window, x, y + 3, width, SEPARATOR_SHADOW_ETCHED_IN); | |
827 | break; | |
5c520e0a | 828 | |
be06a3df GM |
829 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: |
830 | draw_separator (mw, window, x, y, width, | |
831 | SEPARATOR_SHADOW_ETCHED_OUT); | |
832 | draw_separator (mw, window, x, y + 3, width, | |
833 | SEPARATOR_SHADOW_ETCHED_OUT); | |
834 | break; | |
5c520e0a | 835 | |
be06a3df GM |
836 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: |
837 | xgcv.line_style = LineOnOffDash; | |
838 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
839 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
840 | draw_separator (mw, window, x, y, width, | |
841 | SEPARATOR_SHADOW_DOUBLE_ETCHED_IN); | |
842 | xgcv.line_style = LineSolid; | |
843 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
844 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
845 | break; | |
846 | ||
847 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
848 | xgcv.line_style = LineOnOffDash; | |
849 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
850 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
851 | draw_separator (mw, window, x, y, width, | |
852 | SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT); | |
853 | xgcv.line_style = LineSolid; | |
854 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
855 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
856 | break; | |
857 | ||
858 | default: | |
859 | abort (); | |
860 | } | |
861 | } | |
862 | ||
863 | ||
864 | /* Return the pixel height of menu separator SEPARATOR. */ | |
865 | ||
866 | static int | |
867 | separator_height (separator) | |
868 | enum menu_separator separator; | |
869 | { | |
870 | switch (separator) | |
871 | { | |
872 | case SEPARATOR_NO_LINE: | |
873 | return 2; | |
5c520e0a | 874 | |
be06a3df GM |
875 | case SEPARATOR_SINGLE_LINE: |
876 | case SEPARATOR_SINGLE_DASHED_LINE: | |
877 | return 1; | |
5c520e0a | 878 | |
be06a3df GM |
879 | case SEPARATOR_DOUBLE_LINE: |
880 | case SEPARATOR_DOUBLE_DASHED_LINE: | |
881 | return 3; | |
5c520e0a | 882 | |
be06a3df GM |
883 | case SEPARATOR_SHADOW_ETCHED_IN: |
884 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
885 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: | |
886 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: | |
887 | return 2; | |
5c520e0a | 888 | |
be06a3df GM |
889 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: |
890 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: | |
891 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: | |
892 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
893 | return 5; | |
5c520e0a | 894 | |
be06a3df GM |
895 | default: |
896 | abort (); | |
897 | } | |
898 | } | |
899 | ||
900 | ||
07bf635f | 901 | /* Display the menu item and increment where.x and where.y to show how large |
be06a3df GM |
902 | the menu item was. */ |
903 | ||
07bf635f | 904 | static void |
be06a3df GM |
905 | display_menu_item (mw, val, ws, where, highlighted_p, horizontal_p, |
906 | just_compute_p) | |
d398028f PR |
907 | XlwMenuWidget mw; |
908 | widget_value* val; | |
909 | window_state* ws; | |
910 | XPoint* where; | |
911 | Boolean highlighted_p; | |
912 | Boolean horizontal_p; | |
913 | Boolean just_compute_p; | |
07bf635f RS |
914 | { |
915 | GC deco_gc; | |
916 | GC text_gc; | |
917 | int font_ascent = mw->menu.font->ascent; | |
918 | int font_descent = mw->menu.font->descent; | |
919 | int shadow = mw->menu.shadow_thickness; | |
be06a3df | 920 | int margin = mw->menu.margin; |
07bf635f RS |
921 | int h_spacing = mw->menu.horizontal_spacing; |
922 | int v_spacing = mw->menu.vertical_spacing; | |
923 | int label_width; | |
924 | int rest_width; | |
be06a3df | 925 | int button_width; |
07bf635f RS |
926 | int height; |
927 | int width; | |
be06a3df GM |
928 | enum menu_separator separator; |
929 | int separator_p = lw_separator_p (val->name, &separator, 0); | |
07bf635f RS |
930 | |
931 | /* compute the sizes of the item */ | |
be06a3df GM |
932 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, |
933 | &button_width, &height); | |
07bf635f RS |
934 | |
935 | if (horizontal_p) | |
936 | width = label_width + rest_width; | |
937 | else | |
938 | { | |
939 | label_width = ws->label_width; | |
940 | width = ws->width - 2 * shadow; | |
941 | } | |
942 | ||
07bf635f RS |
943 | /* Only highlight an enabled item that has a callback. */ |
944 | if (highlighted_p) | |
945 | if (!val->enabled || !(val->call_data || val->contents)) | |
946 | highlighted_p = 0; | |
947 | ||
948 | /* do the drawing. */ | |
949 | if (!just_compute_p) | |
950 | { | |
951 | /* Add the shadow border of the containing menu */ | |
952 | int x = where->x + shadow; | |
953 | int y = where->y + shadow; | |
954 | ||
be06a3df GM |
955 | if (horizontal_p) |
956 | { | |
957 | x += margin; | |
958 | y += margin; | |
959 | } | |
960 | ||
07bf635f RS |
961 | /* pick the foreground and background GC. */ |
962 | if (val->enabled) | |
be06a3df | 963 | text_gc = mw->menu.foreground_gc; |
07bf635f | 964 | else |
be06a3df | 965 | text_gc = mw->menu.inactive_gc; |
07bf635f RS |
966 | deco_gc = mw->menu.foreground_gc; |
967 | ||
968 | if (separator_p) | |
969 | { | |
be06a3df | 970 | draw_separator (mw, ws->window, x, y, width, separator); |
07bf635f | 971 | } |
5c520e0a | 972 | else |
07bf635f | 973 | { |
84593cae | 974 | int x_offset = x + h_spacing + shadow; |
07bf635f | 975 | char* display_string = resource_widget_value (mw, val); |
be06a3df GM |
976 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, True, |
977 | False); | |
84593cae PR |
978 | |
979 | /* Deal with centering a menu title. */ | |
980 | if (!horizontal_p && !val->contents && !val->call_data) | |
981 | { | |
982 | int l = string_width (mw, display_string); | |
983 | ||
984 | if (width > l) | |
985 | x_offset = (width - l) >> 1; | |
986 | } | |
be06a3df GM |
987 | else if (!horizontal_p && ws->button_width) |
988 | x_offset += ws->button_width; | |
5c520e0a SS |
989 | |
990 | ||
84593cae | 991 | XDrawString (XtDisplay (mw), ws->window, text_gc, x_offset, |
07bf635f RS |
992 | y + v_spacing + shadow + font_ascent, |
993 | display_string, strlen (display_string)); | |
5c520e0a | 994 | |
07bf635f RS |
995 | if (!horizontal_p) |
996 | { | |
be06a3df GM |
997 | if (val->button_type == BUTTON_TYPE_TOGGLE) |
998 | draw_toggle (mw, ws->window, x, y + v_spacing + shadow, | |
999 | val->selected); | |
1000 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
1001 | draw_radio (mw, ws->window, x, y + v_spacing + shadow, | |
1002 | val->selected); | |
5c520e0a | 1003 | |
07bf635f RS |
1004 | if (val->contents) |
1005 | { | |
1006 | int a_w = arrow_width (mw); | |
1007 | draw_arrow (mw, ws->window, deco_gc, | |
be06a3df | 1008 | x + width - a_w |
5c520e0a | 1009 | - mw->menu.horizontal_spacing |
d398028f | 1010 | - mw->menu.shadow_thickness, |
be06a3df GM |
1011 | y + v_spacing + shadow, a_w, |
1012 | highlighted_p); | |
07bf635f RS |
1013 | } |
1014 | else if (val->key) | |
1015 | { | |
1016 | XDrawString (XtDisplay (mw), ws->window, text_gc, | |
1017 | x + label_width + mw->menu.arrow_spacing, | |
1018 | y + v_spacing + shadow + font_ascent, | |
1019 | val->key, strlen (val->key)); | |
1020 | } | |
1021 | } | |
d398028f PR |
1022 | else |
1023 | { | |
5c520e0a | 1024 | XDrawRectangle (XtDisplay (mw), ws->window, |
d398028f PR |
1025 | mw->menu.background_gc, |
1026 | x + shadow, y + shadow, | |
1027 | label_width + h_spacing - 1, | |
1028 | font_ascent + font_descent + 2 * v_spacing - 1); | |
1029 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, | |
be06a3df | 1030 | True, False); |
d398028f | 1031 | } |
07bf635f RS |
1032 | |
1033 | if (highlighted_p) | |
be06a3df GM |
1034 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, False, |
1035 | False); | |
07bf635f RS |
1036 | } |
1037 | } | |
5c520e0a | 1038 | |
07bf635f RS |
1039 | where->x += width; |
1040 | where->y += height; | |
1041 | } | |
1042 | ||
1043 | static void | |
d398028f PR |
1044 | display_menu (mw, level, just_compute_p, highlighted_pos, hit, hit_return, |
1045 | this, that) | |
1046 | XlwMenuWidget mw; | |
1047 | int level; | |
1048 | Boolean just_compute_p; | |
1049 | XPoint* highlighted_pos; | |
1050 | XPoint* hit; | |
1051 | widget_value** hit_return; | |
1052 | widget_value* this; | |
1053 | widget_value* that; | |
07bf635f RS |
1054 | { |
1055 | widget_value* val; | |
1056 | widget_value* following_item; | |
1057 | window_state* ws; | |
1058 | XPoint where; | |
1059 | int horizontal_p = mw->menu.horizontal && (level == 0); | |
1060 | int highlighted_p; | |
1061 | int just_compute_this_one_p; | |
ccc1cac0 RS |
1062 | /* This is set nonzero if the element containing HIGHLIGHTED_POS |
1063 | is disabled, so that we do not return any subsequent element either. */ | |
1064 | int no_return = 0; | |
be06a3df | 1065 | enum menu_separator separator; |
07bf635f RS |
1066 | |
1067 | if (level >= mw->menu.old_depth) | |
be06a3df | 1068 | abort_gracefully ((Widget) mw); |
07bf635f RS |
1069 | |
1070 | if (level < mw->menu.old_depth - 1) | |
1071 | following_item = mw->menu.old_stack [level + 1]; | |
5c520e0a | 1072 | else |
07bf635f RS |
1073 | following_item = NULL; |
1074 | ||
1075 | if (hit) | |
1076 | *hit_return = NULL; | |
1077 | ||
1078 | where.x = 0; | |
1079 | where.y = 0; | |
1080 | ||
1081 | ws = &mw->menu.windows [level]; | |
1082 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
1083 | { | |
1084 | highlighted_p = val == following_item; | |
1085 | if (highlighted_p && highlighted_pos) | |
1086 | { | |
1087 | if (horizontal_p) | |
1088 | highlighted_pos->x = where.x; | |
1089 | else | |
1090 | highlighted_pos->y = where.y; | |
1091 | } | |
5c520e0a | 1092 | |
07bf635f RS |
1093 | just_compute_this_one_p = |
1094 | just_compute_p || ((this || that) && val != this && val != that); | |
1095 | ||
1096 | display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p, | |
1097 | just_compute_this_one_p); | |
1098 | ||
1099 | if (highlighted_p && highlighted_pos) | |
1100 | { | |
1101 | if (horizontal_p) | |
1102 | highlighted_pos->y = where.y; | |
1103 | else | |
1104 | highlighted_pos->x = where.x; | |
1105 | } | |
1106 | ||
1107 | if (hit | |
1108 | && !*hit_return | |
1109 | && (horizontal_p ? hit->x < where.x : hit->y < where.y) | |
be06a3df | 1110 | && !lw_separator_p (val->name, &separator, 0) |
ccc1cac0 RS |
1111 | && !no_return) |
1112 | { | |
1113 | if (val->enabled) | |
1114 | *hit_return = val; | |
1115 | else | |
1116 | no_return = 1; | |
1117 | } | |
07bf635f RS |
1118 | |
1119 | if (horizontal_p) | |
1120 | where.y = 0; | |
1121 | else | |
1122 | where.x = 0; | |
1123 | } | |
5c520e0a | 1124 | |
07bf635f | 1125 | if (!just_compute_p) |
be06a3df GM |
1126 | draw_shadow_rectangle (mw, ws->window, 0, 0, ws->width, ws->height, |
1127 | False, False); | |
07bf635f RS |
1128 | } |
1129 | ||
1130 | \f/* Motion code */ | |
1131 | static void | |
d398028f PR |
1132 | set_new_state (mw, val, level) |
1133 | XlwMenuWidget mw; | |
1134 | widget_value* val; | |
1135 | int level; | |
07bf635f RS |
1136 | { |
1137 | int i; | |
5c520e0a | 1138 | |
07bf635f RS |
1139 | mw->menu.new_depth = 0; |
1140 | for (i = 0; i < level; i++) | |
1141 | push_new_stack (mw, mw->menu.old_stack [i]); | |
1142 | push_new_stack (mw, val); | |
1143 | } | |
1144 | ||
1145 | static void | |
d398028f PR |
1146 | make_windows_if_needed (mw, n) |
1147 | XlwMenuWidget mw; | |
1148 | int n; | |
07bf635f RS |
1149 | { |
1150 | int i; | |
1151 | int start_at; | |
1152 | XSetWindowAttributes xswa; | |
1153 | int mask; | |
1154 | Window root = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
1155 | window_state* windows; | |
5c520e0a | 1156 | |
07bf635f RS |
1157 | if (mw->menu.windows_length >= n) |
1158 | return; | |
1159 | ||
1160 | xswa.save_under = True; | |
1161 | xswa.override_redirect = True; | |
1162 | xswa.background_pixel = mw->core.background_pixel; | |
1163 | xswa.border_pixel = mw->core.border_pixel; | |
1164 | xswa.event_mask = | |
d398028f | 1165 | ExposureMask | PointerMotionMask | PointerMotionHintMask |
07bf635f RS |
1166 | | ButtonReleaseMask | ButtonPressMask; |
1167 | xswa.cursor = mw->menu.cursor_shape; | |
1168 | mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
1169 | | CWEventMask | CWCursor; | |
5c520e0a | 1170 | |
07bf635f RS |
1171 | if (!mw->menu.windows) |
1172 | { | |
1173 | mw->menu.windows = | |
1174 | (window_state*)XtMalloc (n * sizeof (window_state)); | |
1175 | start_at = 0; | |
1176 | } | |
1177 | else | |
1178 | { | |
1179 | mw->menu.windows = | |
1180 | (window_state*)XtRealloc ((char*)mw->menu.windows, | |
1181 | n * sizeof (window_state)); | |
1182 | start_at = mw->menu.windows_length; | |
1183 | } | |
1184 | mw->menu.windows_length = n; | |
1185 | ||
1186 | windows = mw->menu.windows; | |
1187 | ||
1188 | for (i = start_at; i < n; i++) | |
1189 | { | |
1190 | windows [i].x = 0; | |
1191 | windows [i].y = 0; | |
1192 | windows [i].width = 1; | |
1193 | windows [i].height = 1; | |
1194 | windows [i].window = | |
1195 | XCreateWindow (XtDisplay (mw), root, 0, 0, 1, 1, | |
1196 | 0, 0, CopyFromParent, CopyFromParent, mask, &xswa); | |
1197 | } | |
1198 | } | |
1199 | ||
2a692ba4 GM |
1200 | /* Value is non-zero if WINDOW is part of menu bar widget W. */ |
1201 | ||
1202 | int | |
1203 | xlwmenu_window_p (w, window) | |
1204 | Widget w; | |
1205 | Window window; | |
1206 | { | |
1207 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
1208 | int i; | |
1209 | ||
1210 | for (i = 0; i < mw->menu.windows_length; ++i) | |
1211 | if (window == mw->menu.windows[i].window) | |
1212 | break; | |
1213 | ||
1214 | return i < mw->menu.windows_length; | |
1215 | } | |
1216 | ||
07bf635f RS |
1217 | /* Make the window fit in the screen */ |
1218 | static void | |
d398028f PR |
1219 | fit_to_screen (mw, ws, previous_ws, horizontal_p) |
1220 | XlwMenuWidget mw; | |
1221 | window_state* ws; | |
1222 | window_state* previous_ws; | |
1223 | Boolean horizontal_p; | |
07bf635f | 1224 | { |
ccf589a6 RS |
1225 | unsigned int screen_width = WidthOfScreen (XtScreen (mw)); |
1226 | unsigned int screen_height = HeightOfScreen (XtScreen (mw)); | |
1ba46f7d RS |
1227 | /* 1 if we are unable to avoid an overlap between |
1228 | this menu and the parent menu in the X dimension. */ | |
1229 | int horizontal_overlap = 0; | |
07bf635f RS |
1230 | |
1231 | if (ws->x < 0) | |
1232 | ws->x = 0; | |
1233 | else if (ws->x + ws->width > screen_width) | |
1234 | { | |
1235 | if (!horizontal_p) | |
b7fa4a06 MB |
1236 | /* The addition of shadow-thickness for a sub-menu's position is |
1237 | to reflect a similar adjustment when the menu is displayed to | |
1238 | the right of the invoking menu-item; it makes the sub-menu | |
1239 | look more `attached' to the menu-item. */ | |
1240 | ws->x = previous_ws->x - ws->width + mw->menu.shadow_thickness; | |
07bf635f RS |
1241 | else |
1242 | ws->x = screen_width - ws->width; | |
525b8232 | 1243 | if (ws->x < 0) |
1ba46f7d RS |
1244 | { |
1245 | ws->x = 0; | |
1246 | horizontal_overlap = 1; | |
1247 | } | |
1248 | } | |
1249 | /* If we overlap in X, try to avoid overlap in Y. */ | |
1250 | if (horizontal_overlap | |
1251 | && ws->y < previous_ws->y + previous_ws->height | |
1252 | && previous_ws->y < ws->y + ws->height) | |
1253 | { | |
1254 | /* Put this menu right below or right above PREVIOUS_WS | |
1255 | if there's room. */ | |
1256 | if (previous_ws->y + previous_ws->height + ws->height < screen_height) | |
1257 | ws->y = previous_ws->y + previous_ws->height; | |
1258 | else if (previous_ws->y - ws->height > 0) | |
1259 | ws->y = previous_ws->y - ws->height; | |
07bf635f | 1260 | } |
1ba46f7d | 1261 | |
07bf635f RS |
1262 | if (ws->y < 0) |
1263 | ws->y = 0; | |
1264 | else if (ws->y + ws->height > screen_height) | |
1265 | { | |
1266 | if (horizontal_p) | |
1267 | ws->y = previous_ws->y - ws->height; | |
1268 | else | |
1269 | ws->y = screen_height - ws->height; | |
5c520e0a | 1270 | if (ws->y < 0) |
525b8232 | 1271 | ws->y = 0; |
07bf635f RS |
1272 | } |
1273 | } | |
1274 | ||
1275 | /* Updates old_stack from new_stack and redisplays. */ | |
1276 | static void | |
d398028f PR |
1277 | remap_menubar (mw) |
1278 | XlwMenuWidget mw; | |
07bf635f RS |
1279 | { |
1280 | int i; | |
1281 | int last_same; | |
1282 | XPoint selection_position; | |
1283 | int old_depth = mw->menu.old_depth; | |
1284 | int new_depth = mw->menu.new_depth; | |
1285 | widget_value** old_stack; | |
1286 | widget_value** new_stack; | |
1287 | window_state* windows; | |
1288 | widget_value* old_selection; | |
1289 | widget_value* new_selection; | |
1290 | ||
1291 | /* Check that enough windows and old_stack are ready. */ | |
1292 | make_windows_if_needed (mw, new_depth); | |
1293 | make_old_stack_space (mw, new_depth); | |
1294 | windows = mw->menu.windows; | |
1295 | old_stack = mw->menu.old_stack; | |
1296 | new_stack = mw->menu.new_stack; | |
1297 | ||
1298 | /* compute the last identical different entry */ | |
1299 | for (i = 1; i < old_depth && i < new_depth; i++) | |
1300 | if (old_stack [i] != new_stack [i]) | |
1301 | break; | |
1302 | last_same = i - 1; | |
1303 | ||
1304 | /* Memorize the previously selected item to be able to refresh it */ | |
1305 | old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL; | |
1306 | if (old_selection && !old_selection->enabled) | |
1307 | old_selection = NULL; | |
1308 | new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL; | |
1309 | if (new_selection && !new_selection->enabled) | |
1310 | new_selection = NULL; | |
1311 | ||
d6fd6371 GM |
1312 | /* Call callback when the hightlighted item changes. */ |
1313 | if (old_selection || new_selection) | |
1314 | XtCallCallbackList ((Widget)mw, mw->menu.highlight, | |
1315 | (XtPointer) new_selection); | |
1316 | ||
07bf635f RS |
1317 | /* updates old_state from new_state. It has to be done now because |
1318 | display_menu (called below) uses the old_stack to know what to display. */ | |
1319 | for (i = last_same + 1; i < new_depth; i++) | |
1320 | old_stack [i] = new_stack [i]; | |
1321 | mw->menu.old_depth = new_depth; | |
1322 | ||
908ff139 | 1323 | /* refresh the last selection */ |
07bf635f RS |
1324 | selection_position.x = 0; |
1325 | selection_position.y = 0; | |
1326 | display_menu (mw, last_same, new_selection == old_selection, | |
1327 | &selection_position, NULL, NULL, old_selection, new_selection); | |
1328 | ||
1ba46f7d RS |
1329 | /* Now place the new menus. */ |
1330 | for (i = last_same + 1; i < new_depth && new_stack[i]->contents; i++) | |
07bf635f | 1331 | { |
1ba46f7d RS |
1332 | window_state *previous_ws = &windows[i - 1]; |
1333 | window_state *ws = &windows[i]; | |
07bf635f | 1334 | |
be06a3df GM |
1335 | ws->x = (previous_ws->x + selection_position.x |
1336 | + mw->menu.shadow_thickness); | |
b7fa4a06 | 1337 | if (mw->menu.horizontal && i == 1) |
be06a3df GM |
1338 | ws->x += mw->menu.margin; |
1339 | ||
1340 | #if 0 | |
07bf635f RS |
1341 | if (!mw->menu.horizontal || i > 1) |
1342 | ws->x += mw->menu.shadow_thickness; | |
be06a3df | 1343 | #endif |
5c520e0a | 1344 | |
be06a3df GM |
1345 | ws->y = (previous_ws->y + selection_position.y |
1346 | + mw->menu.shadow_thickness); | |
b7fa4a06 | 1347 | if (mw->menu.horizontal && i == 1) |
be06a3df | 1348 | ws->y += mw->menu.margin; |
07bf635f RS |
1349 | |
1350 | size_menu (mw, i); | |
1351 | ||
1352 | fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1); | |
1353 | ||
1354 | XClearWindow (XtDisplay (mw), ws->window); | |
1355 | XMoveResizeWindow (XtDisplay (mw), ws->window, ws->x, ws->y, | |
1356 | ws->width, ws->height); | |
1357 | XMapRaised (XtDisplay (mw), ws->window); | |
1358 | display_menu (mw, i, False, &selection_position, NULL, NULL, NULL, NULL); | |
1359 | } | |
1360 | ||
1361 | /* unmap the menus that popped down */ | |
1362 | for (i = new_depth - 1; i < old_depth; i++) | |
1ba46f7d RS |
1363 | if (i >= new_depth || !new_stack[i]->contents) |
1364 | XUnmapWindow (XtDisplay (mw), windows[i].window); | |
07bf635f RS |
1365 | } |
1366 | ||
1367 | static Boolean | |
d398028f PR |
1368 | motion_event_is_in_menu (mw, ev, level, relative_pos) |
1369 | XlwMenuWidget mw; | |
1370 | XMotionEvent* ev; | |
1371 | int level; | |
1372 | XPoint* relative_pos; | |
07bf635f RS |
1373 | { |
1374 | window_state* ws = &mw->menu.windows [level]; | |
4f08464c RS |
1375 | int shadow = level == 0 ? 0 : mw->menu.shadow_thickness; |
1376 | int x = ws->x + shadow; | |
1377 | int y = ws->y + shadow; | |
07bf635f RS |
1378 | relative_pos->x = ev->x_root - x; |
1379 | relative_pos->y = ev->y_root - y; | |
4f08464c RS |
1380 | return (x - shadow < ev->x_root && ev->x_root < x + ws->width |
1381 | && y - shadow < ev->y_root && ev->y_root < y + ws->height); | |
07bf635f RS |
1382 | } |
1383 | ||
1384 | static Boolean | |
d398028f PR |
1385 | map_event_to_widget_value (mw, ev, val, level) |
1386 | XlwMenuWidget mw; | |
1387 | XMotionEvent* ev; | |
1388 | widget_value** val; | |
1389 | int* level; | |
07bf635f RS |
1390 | { |
1391 | int i; | |
1392 | XPoint relative_pos; | |
1393 | window_state* ws; | |
1394 | ||
1395 | *val = NULL; | |
5c520e0a | 1396 | |
07bf635f RS |
1397 | /* Find the window */ |
1398 | for (i = mw->menu.old_depth - 1; i >= 0; i--) | |
1399 | { | |
1400 | ws = &mw->menu.windows [i]; | |
1401 | if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos)) | |
1402 | { | |
1403 | display_menu (mw, i, True, NULL, &relative_pos, val, NULL, NULL); | |
1404 | ||
1405 | if (*val) | |
1406 | { | |
1407 | *level = i + 1; | |
1408 | return True; | |
1409 | } | |
1410 | } | |
1411 | } | |
1412 | return False; | |
1413 | } | |
1414 | ||
1415 | \f/* Procedures */ | |
1416 | static void | |
d398028f PR |
1417 | make_drawing_gcs (mw) |
1418 | XlwMenuWidget mw; | |
07bf635f RS |
1419 | { |
1420 | XGCValues xgcv; | |
1421 | ||
1422 | xgcv.font = mw->menu.font->fid; | |
1423 | xgcv.foreground = mw->menu.foreground; | |
1424 | xgcv.background = mw->core.background_pixel; | |
1425 | mw->menu.foreground_gc = XtGetGC ((Widget)mw, | |
1426 | GCFont | GCForeground | GCBackground, | |
1427 | &xgcv); | |
5c520e0a | 1428 | |
07bf635f RS |
1429 | xgcv.font = mw->menu.font->fid; |
1430 | xgcv.foreground = mw->menu.button_foreground; | |
1431 | xgcv.background = mw->core.background_pixel; | |
1432 | mw->menu.button_gc = XtGetGC ((Widget)mw, | |
1433 | GCFont | GCForeground | GCBackground, | |
1434 | &xgcv); | |
5c520e0a | 1435 | |
07bf635f RS |
1436 | xgcv.font = mw->menu.font->fid; |
1437 | xgcv.foreground = mw->menu.foreground; | |
1438 | xgcv.background = mw->core.background_pixel; | |
1439 | xgcv.fill_style = FillStippled; | |
1440 | xgcv.stipple = mw->menu.gray_pixmap; | |
1441 | mw->menu.inactive_gc = XtGetGC ((Widget)mw, | |
1442 | (GCFont | GCForeground | GCBackground | |
1443 | | GCFillStyle | GCStipple), &xgcv); | |
5c520e0a | 1444 | |
07bf635f RS |
1445 | xgcv.font = mw->menu.font->fid; |
1446 | xgcv.foreground = mw->menu.button_foreground; | |
1447 | xgcv.background = mw->core.background_pixel; | |
1448 | xgcv.fill_style = FillStippled; | |
1449 | xgcv.stipple = mw->menu.gray_pixmap; | |
1450 | mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, | |
1451 | (GCFont | GCForeground | GCBackground | |
1452 | | GCFillStyle | GCStipple), &xgcv); | |
5c520e0a | 1453 | |
07bf635f RS |
1454 | xgcv.font = mw->menu.font->fid; |
1455 | xgcv.foreground = mw->core.background_pixel; | |
1456 | xgcv.background = mw->menu.foreground; | |
1457 | mw->menu.background_gc = XtGetGC ((Widget)mw, | |
1458 | GCFont | GCForeground | GCBackground, | |
1459 | &xgcv); | |
1460 | } | |
1461 | ||
1462 | static void | |
d398028f PR |
1463 | release_drawing_gcs (mw) |
1464 | XlwMenuWidget mw; | |
07bf635f RS |
1465 | { |
1466 | XtReleaseGC ((Widget) mw, mw->menu.foreground_gc); | |
1467 | XtReleaseGC ((Widget) mw, mw->menu.button_gc); | |
1468 | XtReleaseGC ((Widget) mw, mw->menu.inactive_gc); | |
1469 | XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc); | |
1470 | XtReleaseGC ((Widget) mw, mw->menu.background_gc); | |
1471 | /* let's get some segvs if we try to use these... */ | |
1472 | mw->menu.foreground_gc = (GC) -1; | |
1473 | mw->menu.button_gc = (GC) -1; | |
1474 | mw->menu.inactive_gc = (GC) -1; | |
1475 | mw->menu.inactive_button_gc = (GC) -1; | |
1476 | mw->menu.background_gc = (GC) -1; | |
1477 | } | |
1478 | ||
1479 | #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \ | |
1480 | ? ((unsigned long) (x)) : ((unsigned long) (y))) | |
1481 | ||
1482 | static void | |
d398028f PR |
1483 | make_shadow_gcs (mw) |
1484 | XlwMenuWidget mw; | |
07bf635f RS |
1485 | { |
1486 | XGCValues xgcv; | |
1487 | unsigned long pm = 0; | |
1488 | Display *dpy = XtDisplay ((Widget) mw); | |
be06a3df | 1489 | Screen *screen = XtScreen ((Widget) mw); |
b0404f9f | 1490 | Colormap cmap = mw->core.colormap; |
07bf635f RS |
1491 | XColor topc, botc; |
1492 | int top_frobbed = 0, bottom_frobbed = 0; | |
1493 | ||
bba2a923 GM |
1494 | mw->menu.free_top_shadow_color_p = 0; |
1495 | mw->menu.free_bottom_shadow_color_p = 0; | |
1496 | ||
07bf635f RS |
1497 | if (mw->menu.top_shadow_color == -1) |
1498 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
bba2a923 GM |
1499 | else |
1500 | mw->menu.top_shadow_color = mw->menu.top_shadow_color; | |
5c520e0a | 1501 | |
07bf635f RS |
1502 | if (mw->menu.bottom_shadow_color == -1) |
1503 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
bba2a923 GM |
1504 | else |
1505 | mw->menu.bottom_shadow_color = mw->menu.bottom_shadow_color; | |
07bf635f RS |
1506 | |
1507 | if (mw->menu.top_shadow_color == mw->core.background_pixel || | |
1508 | mw->menu.top_shadow_color == mw->menu.foreground) | |
1509 | { | |
1510 | topc.pixel = mw->core.background_pixel; | |
65c0ae05 MB |
1511 | #ifdef emacs |
1512 | if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap, | |
1513 | &topc.pixel, | |
1514 | 1.2, 0x8000)) | |
1515 | #else | |
07bf635f RS |
1516 | XQueryColor (dpy, cmap, &topc); |
1517 | /* don't overflow/wrap! */ | |
1518 | topc.red = MINL (65535, topc.red * 1.2); | |
1519 | topc.green = MINL (65535, topc.green * 1.2); | |
1520 | topc.blue = MINL (65535, topc.blue * 1.2); | |
1521 | if (XAllocColor (dpy, cmap, &topc)) | |
be06a3df | 1522 | #endif |
07bf635f RS |
1523 | { |
1524 | mw->menu.top_shadow_color = topc.pixel; | |
bba2a923 | 1525 | mw->menu.free_top_shadow_color_p = 1; |
07bf635f RS |
1526 | top_frobbed = 1; |
1527 | } | |
1528 | } | |
1529 | if (mw->menu.bottom_shadow_color == mw->menu.foreground || | |
1530 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1531 | { | |
1532 | botc.pixel = mw->core.background_pixel; | |
65c0ae05 MB |
1533 | #ifdef emacs |
1534 | if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap, | |
1535 | &botc.pixel, | |
1536 | 0.6, 0x4000)) | |
1537 | #else | |
07bf635f RS |
1538 | XQueryColor (dpy, cmap, &botc); |
1539 | botc.red *= 0.6; | |
1540 | botc.green *= 0.6; | |
1541 | botc.blue *= 0.6; | |
1542 | if (XAllocColor (dpy, cmap, &botc)) | |
be06a3df | 1543 | #endif |
07bf635f RS |
1544 | { |
1545 | mw->menu.bottom_shadow_color = botc.pixel; | |
bba2a923 | 1546 | mw->menu.free_bottom_shadow_color_p = 1; |
07bf635f RS |
1547 | bottom_frobbed = 1; |
1548 | } | |
1549 | } | |
1550 | ||
1551 | if (top_frobbed && bottom_frobbed) | |
1552 | { | |
65c0ae05 | 1553 | if (topc.pixel == botc.pixel) |
07bf635f RS |
1554 | { |
1555 | if (botc.pixel == mw->menu.foreground) | |
fc8fefed | 1556 | { |
bba2a923 GM |
1557 | if (mw->menu.free_top_shadow_color_p) |
1558 | { | |
1559 | x_free_dpy_colors (dpy, screen, cmap, | |
1560 | &mw->menu.top_shadow_color, 1); | |
1561 | mw->menu.free_top_shadow_color_p = 0; | |
1562 | } | |
1563 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
fc8fefed | 1564 | } |
07bf635f | 1565 | else |
fc8fefed | 1566 | { |
bba2a923 GM |
1567 | if (mw->menu.free_bottom_shadow_color_p) |
1568 | { | |
1569 | x_free_dpy_colors (dpy, screen, cmap, | |
1570 | &mw->menu.bottom_shadow_color, 1); | |
1571 | mw->menu.free_bottom_shadow_color_p = 0; | |
1572 | } | |
1573 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
fc8fefed | 1574 | } |
07bf635f RS |
1575 | } |
1576 | } | |
1577 | ||
1578 | if (!mw->menu.top_shadow_pixmap && | |
1579 | mw->menu.top_shadow_color == mw->core.background_pixel) | |
1580 | { | |
1581 | mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap; | |
bba2a923 GM |
1582 | if (mw->menu.free_top_shadow_color_p) |
1583 | { | |
1584 | x_free_dpy_colors (dpy, screen, cmap, &mw->menu.top_shadow_color, 1); | |
1585 | mw->menu.free_top_shadow_color_p = 0; | |
1586 | } | |
1587 | mw->menu.top_shadow_color = mw->menu.foreground; | |
07bf635f RS |
1588 | } |
1589 | if (!mw->menu.bottom_shadow_pixmap && | |
1590 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1591 | { | |
1592 | mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap; | |
bba2a923 GM |
1593 | if (mw->menu.free_bottom_shadow_color_p) |
1594 | { | |
1595 | x_free_dpy_colors (dpy, screen, cmap, | |
1596 | &mw->menu.bottom_shadow_color, 1); | |
1597 | mw->menu.free_bottom_shadow_color_p = 0; | |
1598 | } | |
1599 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
07bf635f RS |
1600 | } |
1601 | ||
1602 | xgcv.fill_style = FillStippled; | |
1603 | xgcv.foreground = mw->menu.top_shadow_color; | |
1604 | xgcv.stipple = mw->menu.top_shadow_pixmap; | |
1605 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1606 | mw->menu.shadow_top_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1607 | ||
1608 | xgcv.foreground = mw->menu.bottom_shadow_color; | |
1609 | xgcv.stipple = mw->menu.bottom_shadow_pixmap; | |
1610 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1611 | mw->menu.shadow_bottom_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1612 | } | |
1613 | ||
1614 | ||
1615 | static void | |
d398028f PR |
1616 | release_shadow_gcs (mw) |
1617 | XlwMenuWidget mw; | |
07bf635f | 1618 | { |
fc8fefed GM |
1619 | Display *dpy = XtDisplay ((Widget) mw); |
1620 | Screen *screen = XtScreen ((Widget) mw); | |
1621 | Colormap cmap = mw->core.colormap; | |
1622 | Pixel px[2]; | |
bba2a923 GM |
1623 | int i = 0; |
1624 | ||
1625 | if (mw->menu.free_top_shadow_color_p) | |
1626 | px[i++] = mw->menu.top_shadow_color; | |
1627 | if (mw->menu.free_bottom_shadow_color_p) | |
1628 | px[i++] = mw->menu.bottom_shadow_color; | |
1629 | if (i > 0) | |
1630 | x_free_dpy_colors (dpy, screen, cmap, px, i); | |
5c520e0a | 1631 | |
07bf635f RS |
1632 | XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc); |
1633 | XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc); | |
1634 | } | |
1635 | ||
1636 | static void | |
47d52240 | 1637 | XlwMenuInitialize (request, mw, args, num_args) |
d398028f | 1638 | Widget request; |
47d52240 | 1639 | XlwMenuWidget mw; |
d398028f PR |
1640 | ArgList args; |
1641 | Cardinal *num_args; | |
07bf635f RS |
1642 | { |
1643 | /* Get the GCs and the widget size */ | |
07bf635f RS |
1644 | XSetWindowAttributes xswa; |
1645 | int mask; | |
5c520e0a | 1646 | |
07bf635f RS |
1647 | Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); |
1648 | Display* display = XtDisplay (mw); | |
5c520e0a | 1649 | |
d398028f PR |
1650 | #if 0 |
1651 | widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value)); | |
1652 | ||
1653 | /* _XtCreate is freeing the object that was passed to us, | |
1654 | so make a copy that we will actually keep. */ | |
1655 | lwlib_bcopy (mw->menu.contents, tem, sizeof (widget_value)); | |
1656 | mw->menu.contents = tem; | |
1657 | #endif | |
1658 | ||
07bf635f RS |
1659 | /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */ |
1660 | mw->menu.cursor = mw->menu.cursor_shape; | |
5c520e0a | 1661 | |
a504c8fa | 1662 | mw->menu.gray_pixmap |
f1c16db4 GM |
1663 | = XCreatePixmapFromBitmapData (display, window, gray_bitmap_bits, |
1664 | gray_bitmap_width, gray_bitmap_height, | |
a504c8fa | 1665 | (unsigned long)1, (unsigned long)0, 1); |
5c520e0a | 1666 | |
47d52240 RS |
1667 | /* I don't understand why this ends up 0 sometimes, |
1668 | but it does. This kludge works around it. | |
1669 | Can anyone find a real fix? -- rms. */ | |
1670 | if (mw->menu.font == 0) | |
1671 | mw->menu.font = xlwmenu_default_font; | |
1672 | ||
07bf635f RS |
1673 | make_drawing_gcs (mw); |
1674 | make_shadow_gcs (mw); | |
5c520e0a | 1675 | |
07bf635f RS |
1676 | xswa.background_pixel = mw->core.background_pixel; |
1677 | xswa.border_pixel = mw->core.border_pixel; | |
1678 | mask = CWBackPixel | CWBorderPixel; | |
5c520e0a | 1679 | |
07bf635f | 1680 | mw->menu.popped_up = False; |
5c520e0a | 1681 | |
07bf635f RS |
1682 | mw->menu.old_depth = 1; |
1683 | mw->menu.old_stack = (widget_value**)XtMalloc (sizeof (widget_value*)); | |
1684 | mw->menu.old_stack_length = 1; | |
1685 | mw->menu.old_stack [0] = mw->menu.contents; | |
5c520e0a | 1686 | |
07bf635f RS |
1687 | mw->menu.new_depth = 0; |
1688 | mw->menu.new_stack = 0; | |
1689 | mw->menu.new_stack_length = 0; | |
1690 | push_new_stack (mw, mw->menu.contents); | |
5c520e0a | 1691 | |
07bf635f RS |
1692 | mw->menu.windows = (window_state*)XtMalloc (sizeof (window_state)); |
1693 | mw->menu.windows_length = 1; | |
1694 | mw->menu.windows [0].x = 0; | |
1695 | mw->menu.windows [0].y = 0; | |
1696 | mw->menu.windows [0].width = 0; | |
1697 | mw->menu.windows [0].height = 0; | |
1698 | size_menu (mw, 0); | |
5c520e0a | 1699 | |
07bf635f RS |
1700 | mw->core.width = mw->menu.windows [0].width; |
1701 | mw->core.height = mw->menu.windows [0].height; | |
1702 | } | |
1703 | ||
1704 | static void | |
1705 | XlwMenuClassInitialize () | |
1706 | { | |
1707 | } | |
1708 | ||
1709 | static void | |
d398028f PR |
1710 | XlwMenuRealize (w, valueMask, attributes) |
1711 | Widget w; | |
1712 | Mask *valueMask; | |
1713 | XSetWindowAttributes *attributes; | |
07bf635f RS |
1714 | { |
1715 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1716 | XSetWindowAttributes xswa; | |
1717 | int mask; | |
1718 | ||
1719 | (*xlwMenuWidgetClass->core_class.superclass->core_class.realize) | |
1720 | (w, valueMask, attributes); | |
1721 | ||
1722 | xswa.save_under = True; | |
1723 | xswa.cursor = mw->menu.cursor_shape; | |
1724 | mask = CWSaveUnder | CWCursor; | |
1725 | XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa); | |
1726 | ||
1727 | mw->menu.windows [0].window = XtWindow (w); | |
1728 | mw->menu.windows [0].x = w->core.x; | |
1729 | mw->menu.windows [0].y = w->core.y; | |
1730 | mw->menu.windows [0].width = w->core.width; | |
1731 | mw->menu.windows [0].height = w->core.height; | |
1732 | } | |
1733 | ||
1734 | /* Only the toplevel menubar/popup is a widget so it's the only one that | |
1735 | receives expose events through Xt. So we repaint all the other panes | |
1736 | when receiving an Expose event. */ | |
5c520e0a | 1737 | static void |
d398028f PR |
1738 | XlwMenuRedisplay (w, ev, region) |
1739 | Widget w; | |
1740 | XEvent* ev; | |
1741 | Region region; | |
07bf635f RS |
1742 | { |
1743 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1744 | int i; | |
1745 | ||
d398028f PR |
1746 | /* If we have a depth beyond 1, it's because a submenu was displayed. |
1747 | If the submenu has been destroyed, set the depth back to 1. */ | |
1748 | if (submenu_destroyed) | |
1749 | { | |
1750 | mw->menu.old_depth = 1; | |
1751 | submenu_destroyed = 0; | |
1752 | } | |
1753 | ||
07bf635f RS |
1754 | for (i = 0; i < mw->menu.old_depth; i++) |
1755 | display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL); | |
1756 | } | |
1757 | ||
f3c9e544 GM |
1758 | |
1759 | /* Part of a hack to make the menu redisplay when a tooltip frame | |
1760 | over a menu item is unmapped. */ | |
1761 | ||
1762 | void | |
1763 | xlwmenu_redisplay (w) | |
1764 | Widget w; | |
1765 | { | |
1766 | XlwMenuRedisplay (w, NULL, None); | |
1767 | } | |
1768 | ||
5c520e0a | 1769 | static void |
d398028f PR |
1770 | XlwMenuDestroy (w) |
1771 | Widget w; | |
07bf635f RS |
1772 | { |
1773 | int i; | |
1774 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
1775 | ||
d398028f PR |
1776 | if (pointer_grabbed) |
1777 | XtUngrabPointer ((Widget)w, CurrentTime); | |
1778 | pointer_grabbed = 0; | |
1779 | ||
1780 | submenu_destroyed = 1; | |
1781 | ||
07bf635f RS |
1782 | release_drawing_gcs (mw); |
1783 | release_shadow_gcs (mw); | |
1784 | ||
1785 | /* this doesn't come from the resource db but is created explicitly | |
1786 | so we must free it ourselves. */ | |
1787 | XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap); | |
1788 | mw->menu.gray_pixmap = (Pixmap) -1; | |
1789 | ||
d398028f PR |
1790 | #if 0 |
1791 | /* Do free mw->menu.contents because nowadays we copy it | |
1792 | during initialization. */ | |
1793 | XtFree (mw->menu.contents); | |
1794 | #endif | |
1795 | ||
07bf635f RS |
1796 | /* Don't free mw->menu.contents because that comes from our creator. |
1797 | The `*_stack' elements are just pointers into `contents' so leave | |
1798 | that alone too. But free the stacks themselves. */ | |
1799 | if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack); | |
1800 | if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack); | |
1801 | ||
1802 | /* Remember, you can't free anything that came from the resource | |
1803 | database. This includes: | |
1804 | mw->menu.cursor | |
1805 | mw->menu.top_shadow_pixmap | |
1806 | mw->menu.bottom_shadow_pixmap | |
1807 | mw->menu.font | |
1808 | Also the color cells of top_shadow_color, bottom_shadow_color, | |
1809 | foreground, and button_foreground will never be freed until this | |
1810 | client exits. Nice, eh? | |
1811 | */ | |
1812 | ||
1813 | /* start from 1 because the one in slot 0 is w->core.window */ | |
1814 | for (i = 1; i < mw->menu.windows_length; i++) | |
1815 | XDestroyWindow (XtDisplay (mw), mw->menu.windows [i].window); | |
1816 | if (mw->menu.windows) | |
1817 | XtFree ((char *) mw->menu.windows); | |
1818 | } | |
1819 | ||
5c520e0a | 1820 | static Boolean |
d398028f PR |
1821 | XlwMenuSetValues (current, request, new) |
1822 | Widget current; | |
1823 | Widget request; | |
1824 | Widget new; | |
07bf635f RS |
1825 | { |
1826 | XlwMenuWidget oldmw = (XlwMenuWidget)current; | |
1827 | XlwMenuWidget newmw = (XlwMenuWidget)new; | |
1828 | Boolean redisplay = False; | |
1829 | int i; | |
1830 | ||
1831 | if (newmw->menu.contents | |
1832 | && newmw->menu.contents->contents | |
1833 | && newmw->menu.contents->contents->change >= VISIBLE_CHANGE) | |
1834 | redisplay = True; | |
ba624d0f RS |
1835 | /* Do redisplay if the contents are entirely eliminated. */ |
1836 | if (newmw->menu.contents | |
1837 | && newmw->menu.contents->contents == 0 | |
1838 | && newmw->menu.contents->change >= VISIBLE_CHANGE) | |
1839 | redisplay = True; | |
07bf635f RS |
1840 | |
1841 | if (newmw->core.background_pixel != oldmw->core.background_pixel | |
d398028f PR |
1842 | || newmw->menu.foreground != oldmw->menu.foreground |
1843 | || newmw->menu.font != oldmw->menu.font) | |
07bf635f RS |
1844 | { |
1845 | release_drawing_gcs (newmw); | |
1846 | make_drawing_gcs (newmw); | |
90c7e9f0 MB |
1847 | |
1848 | release_shadow_gcs (newmw); | |
1849 | /* Cause the shadow colors to be recalculated. */ | |
1850 | newmw->menu.top_shadow_color = -1; | |
1851 | newmw->menu.bottom_shadow_color = -1; | |
1852 | make_shadow_gcs (newmw); | |
1853 | ||
07bf635f | 1854 | redisplay = True; |
5c520e0a | 1855 | |
43aa2f1b | 1856 | if (XtIsRealized (current)) |
da353f23 MB |
1857 | /* If the menu is currently displayed, change the display. */ |
1858 | for (i = 0; i < oldmw->menu.windows_length; i++) | |
1859 | { | |
1860 | XSetWindowBackground (XtDisplay (oldmw), | |
1861 | oldmw->menu.windows [i].window, | |
1862 | newmw->core.background_pixel); | |
1863 | /* clear windows and generate expose events */ | |
1864 | XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window, | |
1865 | 0, 0, 0, 0, True); | |
1866 | } | |
07bf635f RS |
1867 | } |
1868 | ||
1869 | return redisplay; | |
1870 | } | |
1871 | ||
5c520e0a | 1872 | static void |
d398028f PR |
1873 | XlwMenuResize (w) |
1874 | Widget w; | |
07bf635f RS |
1875 | { |
1876 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1877 | ||
d398028f PR |
1878 | if (mw->menu.popped_up) |
1879 | { | |
1880 | /* Don't allow the popup menu to resize itself. */ | |
1881 | mw->core.width = mw->menu.windows [0].width; | |
1882 | mw->core.height = mw->menu.windows [0].height; | |
1883 | mw->core.parent->core.width = mw->core.width ; | |
1884 | mw->core.parent->core.height = mw->core.height ; | |
1885 | } | |
1886 | else | |
1887 | { | |
1888 | mw->menu.windows [0].width = mw->core.width; | |
1889 | mw->menu.windows [0].height = mw->core.height; | |
1890 | } | |
07bf635f RS |
1891 | } |
1892 | ||
1893 | \f/* Action procedures */ | |
1894 | static void | |
d398028f PR |
1895 | handle_single_motion_event (mw, ev) |
1896 | XlwMenuWidget mw; | |
1897 | XMotionEvent* ev; | |
07bf635f RS |
1898 | { |
1899 | widget_value* val; | |
1900 | int level; | |
1901 | ||
1902 | if (!map_event_to_widget_value (mw, ev, &val, &level)) | |
1903 | pop_new_stack_if_no_contents (mw); | |
1904 | else | |
1905 | set_new_state (mw, val, level); | |
1906 | remap_menubar (mw); | |
5c520e0a | 1907 | |
07bf635f RS |
1908 | /* Sync with the display. Makes it feel better on X terms. */ |
1909 | XSync (XtDisplay (mw), False); | |
1910 | } | |
1911 | ||
1912 | static void | |
d398028f PR |
1913 | handle_motion_event (mw, ev) |
1914 | XlwMenuWidget mw; | |
1915 | XMotionEvent* ev; | |
07bf635f RS |
1916 | { |
1917 | int x = ev->x_root; | |
1918 | int y = ev->y_root; | |
1919 | int state = ev->state; | |
1920 | ||
1921 | handle_single_motion_event (mw, ev); | |
1922 | ||
1923 | /* allow motion events to be generated again */ | |
1924 | if (ev->is_hint | |
1925 | && XQueryPointer (XtDisplay (mw), ev->window, | |
1926 | &ev->root, &ev->subwindow, | |
1927 | &ev->x_root, &ev->y_root, | |
1928 | &ev->x, &ev->y, | |
1929 | &ev->state) | |
1930 | && ev->state == state | |
1931 | && (ev->x_root != x || ev->y_root != y)) | |
1932 | handle_single_motion_event (mw, ev); | |
1933 | } | |
1934 | ||
5c520e0a | 1935 | static void |
d398028f PR |
1936 | Start (w, ev, params, num_params) |
1937 | Widget w; | |
1938 | XEvent *ev; | |
1939 | String *params; | |
1940 | Cardinal *num_params; | |
07bf635f RS |
1941 | { |
1942 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1943 | ||
d398028f PR |
1944 | if (!mw->menu.popped_up) |
1945 | { | |
1946 | menu_post_event = *ev; | |
a57a1605 | 1947 | pop_up_menu (mw, (XButtonPressedEvent*) ev); |
d398028f PR |
1948 | } |
1949 | else | |
4cc76151 PR |
1950 | { |
1951 | /* If we push a button while the menu is posted semipermanently, | |
1952 | releasing the button should always pop the menu down. */ | |
1953 | next_release_must_exit = 1; | |
d398028f | 1954 | |
4cc76151 PR |
1955 | /* notes the absolute position of the menubar window */ |
1956 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
1957 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
07bf635f | 1958 | |
4cc76151 PR |
1959 | /* handles the down like a move, slots are compatible */ |
1960 | handle_motion_event (mw, &ev->xmotion); | |
1961 | } | |
07bf635f RS |
1962 | } |
1963 | ||
5c520e0a | 1964 | static void |
d398028f PR |
1965 | Drag (w, ev, params, num_params) |
1966 | Widget w; | |
1967 | XEvent *ev; | |
1968 | String *params; | |
1969 | Cardinal *num_params; | |
07bf635f RS |
1970 | { |
1971 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
3c9ce1c4 KH |
1972 | if (mw->menu.popped_up) |
1973 | handle_motion_event (mw, &ev->xmotion); | |
07bf635f RS |
1974 | } |
1975 | ||
ba624d0f RS |
1976 | /* Do nothing. |
1977 | This is how we handle presses and releases of modifier keys. */ | |
1978 | static void | |
1979 | Nothing (w, ev, params, num_params) | |
1980 | Widget w; | |
1981 | XEvent *ev; | |
1982 | String *params; | |
1983 | Cardinal *num_params; | |
1984 | { | |
1985 | } | |
1986 | ||
1987 | /* Handle key press and release events while menu is popped up. | |
1988 | Our action is to get rid of the menu. */ | |
1989 | static void | |
1990 | Key (w, ev, params, num_params) | |
1991 | Widget w; | |
1992 | XEvent *ev; | |
1993 | String *params; | |
1994 | Cardinal *num_params; | |
1995 | { | |
1996 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1997 | ||
1998 | /* Pop down everything. */ | |
1999 | mw->menu.new_depth = 1; | |
2000 | remap_menubar (mw); | |
2001 | ||
2002 | if (mw->menu.popped_up) | |
2003 | { | |
2004 | mw->menu.popped_up = False; | |
2005 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
2006 | if (XtIsShell (XtParent ((Widget) mw))) | |
2007 | XtPopdown (XtParent ((Widget) mw)); | |
2008 | else | |
2009 | { | |
2010 | XtRemoveGrab ((Widget) mw); | |
2011 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
2012 | } | |
2013 | } | |
2014 | ||
2015 | /* callback */ | |
2016 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)0); | |
2017 | } | |
2018 | ||
2019 | static void | |
d398028f PR |
2020 | Select (w, ev, params, num_params) |
2021 | Widget w; | |
2022 | XEvent *ev; | |
2023 | String *params; | |
2024 | Cardinal *num_params; | |
07bf635f RS |
2025 | { |
2026 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
2027 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
5c520e0a | 2028 | |
d398028f PR |
2029 | /* If user releases the button quickly, without selecting anything, |
2030 | after the initial down-click that brought the menu up, | |
2031 | do nothing. */ | |
2032 | if ((selected_item == 0 | |
2033 | || ((widget_value *) selected_item)->call_data == 0) | |
2034 | && !next_release_must_exit | |
2035 | && (ev->xbutton.time - menu_post_event.xbutton.time | |
2036 | < XtGetMultiClickTime (XtDisplay (w)))) | |
2037 | return; | |
2038 | ||
2039 | /* pop down everything. */ | |
07bf635f RS |
2040 | mw->menu.new_depth = 1; |
2041 | remap_menubar (mw); | |
2042 | ||
2043 | if (mw->menu.popped_up) | |
2044 | { | |
2045 | mw->menu.popped_up = False; | |
2046 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
2289f3f4 PR |
2047 | if (XtIsShell (XtParent ((Widget) mw))) |
2048 | XtPopdown (XtParent ((Widget) mw)); | |
4cc76151 PR |
2049 | else |
2050 | { | |
2051 | XtRemoveGrab ((Widget) mw); | |
2052 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
2053 | } | |
07bf635f RS |
2054 | } |
2055 | ||
2056 | /* callback */ | |
2057 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)selected_item); | |
07bf635f RS |
2058 | } |
2059 | ||
2060 | ||
2061 | \f/* Special code to pop-up a menu */ | |
2062 | void | |
d398028f PR |
2063 | pop_up_menu (mw, event) |
2064 | XlwMenuWidget mw; | |
2065 | XButtonPressedEvent* event; | |
07bf635f RS |
2066 | { |
2067 | int x = event->x_root; | |
2068 | int y = event->y_root; | |
2069 | int w; | |
2070 | int h; | |
2071 | int borderwidth = mw->menu.shadow_thickness; | |
2072 | Screen* screen = XtScreen (mw); | |
8400b9ed | 2073 | Display *display = XtDisplay (mw); |
5efb61c7 | 2074 | int count; |
07bf635f | 2075 | |
d398028f PR |
2076 | next_release_must_exit = 0; |
2077 | ||
07bf635f RS |
2078 | XtCallCallbackList ((Widget)mw, mw->menu.open, NULL); |
2079 | ||
2289f3f4 | 2080 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 2081 | size_menu (mw, 0); |
07bf635f RS |
2082 | |
2083 | w = mw->menu.windows [0].width; | |
2084 | h = mw->menu.windows [0].height; | |
2085 | ||
2086 | x -= borderwidth; | |
2087 | y -= borderwidth; | |
2088 | if (x < borderwidth) | |
2089 | x = borderwidth; | |
2090 | if (x + w + 2 * borderwidth > WidthOfScreen (screen)) | |
2091 | x = WidthOfScreen (screen) - w - 2 * borderwidth; | |
2092 | if (y < borderwidth) | |
2093 | y = borderwidth; | |
2094 | if (y + h + 2 * borderwidth> HeightOfScreen (screen)) | |
2095 | y = HeightOfScreen (screen) - h - 2 * borderwidth; | |
2096 | ||
2097 | mw->menu.popped_up = True; | |
2289f3f4 | 2098 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 2099 | { |
2289f3f4 PR |
2100 | XtConfigureWidget (XtParent ((Widget)mw), x, y, w, h, |
2101 | XtParent ((Widget)mw)->core.border_width); | |
2102 | XtPopup (XtParent ((Widget)mw), XtGrabExclusive); | |
4cc76151 PR |
2103 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); |
2104 | mw->menu.windows [0].x = x + borderwidth; | |
2105 | mw->menu.windows [0].y = y + borderwidth; | |
2106 | } | |
2107 | else | |
2108 | { | |
2109 | XEvent *ev = (XEvent *) event; | |
2110 | ||
87a559bf | 2111 | XtAddGrab ((Widget) mw, True, True); |
4cc76151 PR |
2112 | |
2113 | /* notes the absolute position of the menubar window */ | |
2114 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
2115 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
2116 | } | |
2117 | ||
d398028f | 2118 | #ifdef emacs |
5efb61c7 | 2119 | count = x_catch_errors (display); |
d398028f | 2120 | #endif |
87a559bf PR |
2121 | XtGrabPointer ((Widget)mw, False, |
2122 | (PointerMotionMask | |
2123 | | PointerMotionHintMask | |
2124 | | ButtonReleaseMask | |
2125 | | ButtonPressMask), | |
2126 | GrabModeAsync, GrabModeAsync, None, | |
2127 | mw->menu.cursor_shape, | |
2128 | event->time); | |
2129 | pointer_grabbed = 1; | |
d398028f | 2130 | #ifdef emacs |
8400b9ed | 2131 | if (x_had_errors_p (display)) |
d398028f PR |
2132 | { |
2133 | pointer_grabbed = 0; | |
2134 | XtUngrabPointer ((Widget)mw, event->time); | |
2135 | } | |
5efb61c7 | 2136 | x_uncatch_errors (display, count); |
d398028f | 2137 | #endif |
07bf635f | 2138 | |
07bf635f RS |
2139 | handle_motion_event (mw, (XMotionEvent*)event); |
2140 | } |