Commit | Line | Data |
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dcfdbac7 | 1 | /* X Communication module for terminals which understand the X protocol. |
95df8112 | 2 | |
ba318903 | 3 | Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2014 Free Software |
ab422c4d | 4 | Foundation, Inc. |
dcfdbac7 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
dcfdbac7 | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
dcfdbac7 JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
dcfdbac7 | 20 | |
c9e60620 | 21 | /* X pop-up deck-of-cards menu facility for GNU Emacs. |
dcfdbac7 JB |
22 | * |
23 | * Written by Jon Arnold and Roman Budzianowski | |
24 | * Mods and rewrite by Robert Krawitz | |
25 | * | |
26 | */ | |
27 | ||
18686d47 RS |
28 | /* Modified by Fred Pierresteguy on December 93 |
29 | to make the popup menus and menubar use the Xt. */ | |
30 | ||
78589e07 RS |
31 | /* Rewritten for clarity and GC protection by rms in Feb 94. */ |
32 | ||
68c45bf0 PE |
33 | #include <config.h> |
34 | ||
565620a5 | 35 | #include <stdio.h> |
7ee72033 | 36 | |
dcfdbac7 | 37 | #include "lisp.h" |
02067692 | 38 | #include "keyboard.h" |
5ee707b8 | 39 | #include "keymap.h" |
7708e9bd | 40 | #include "frame.h" |
428a555e | 41 | #include "termhooks.h" |
dcfdbac7 | 42 | #include "window.h" |
9ac0d9e0 | 43 | #include "blockinput.h" |
e5560ff7 | 44 | #include "character.h" |
88766961 | 45 | #include "buffer.h" |
cc45fb40 SM |
46 | #include "charset.h" |
47 | #include "coding.h" | |
c3438661 | 48 | #include "sysselect.h" |
dcfdbac7 | 49 | |
eeee3112 RS |
50 | #ifdef MSDOS |
51 | #include "msdos.h" | |
52 | #endif | |
53 | ||
87485d6f | 54 | #ifdef HAVE_X_WINDOWS |
dcfdbac7 JB |
55 | /* This may include sys/types.h, and that somehow loses |
56 | if this is not done before the other system files. */ | |
57 | #include "xterm.h" | |
87485d6f | 58 | #endif |
dcfdbac7 JB |
59 | |
60 | /* Load sys/types.h if not already loaded. | |
61 | In some systems loading it twice is suicidal. */ | |
62 | #ifndef makedev | |
63 | #include <sys/types.h> | |
64 | #endif | |
65 | ||
66 | #include "dispextern.h" | |
67 | ||
87485d6f | 68 | #ifdef HAVE_X_WINDOWS |
646f98ec DL |
69 | /* Defining HAVE_MULTILINGUAL_MENU would mean that the toolkit menu |
70 | code accepts the Emacs internal encoding. */ | |
703dc2a8 | 71 | #undef HAVE_MULTILINGUAL_MENU |
18686d47 | 72 | #ifdef USE_X_TOOLKIT |
991786dd | 73 | #include "widget.h" |
18686d47 RS |
74 | #include <X11/Xlib.h> |
75 | #include <X11/IntrinsicP.h> | |
76 | #include <X11/CoreP.h> | |
77 | #include <X11/StringDefs.h> | |
60f312e2 | 78 | #include <X11/Shell.h> |
5ee80bd3 | 79 | #ifdef USE_LUCID |
99852628 JD |
80 | #include "xsettings.h" |
81 | #include "../lwlib/xlwmenu.h" | |
5262c5c7 CY |
82 | #ifdef HAVE_XAW3D |
83 | #include <X11/Xaw3d/Paned.h> | |
84 | #else /* !HAVE_XAW3D */ | |
1d1c1567 | 85 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 86 | #endif /* HAVE_XAW3D */ |
5ee80bd3 | 87 | #endif /* USE_LUCID */ |
c865c575 | 88 | #ifdef USE_MOTIF |
dee186b6 | 89 | #include "../lwlib/lwlib.h" |
c865c575 | 90 | #endif |
a352a815 | 91 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 | 92 | #ifndef USE_GTK |
a352a815 | 93 | #include "../oldXMenu/XMenu.h" |
488dd4c4 | 94 | #endif |
a352a815 RS |
95 | #endif /* not USE_X_TOOLKIT */ |
96 | #endif /* HAVE_X_WINDOWS */ | |
18686d47 | 97 | |
e7c9048f AS |
98 | #ifdef USE_GTK |
99 | #include "gtkutil.h" | |
93d5ca1f JD |
100 | #ifdef HAVE_GTK3 |
101 | #include "xgselect.h" | |
102 | #endif | |
e7c9048f AS |
103 | #endif |
104 | ||
105 | #include "menu.h" | |
106 | ||
dcfdbac7 JB |
107 | #ifndef TRUE |
108 | #define TRUE 1 | |
78589e07 | 109 | #endif /* no TRUE */ |
dcfdbac7 | 110 | |
955cbe7b | 111 | static Lisp_Object Qdebug_on_next_call; |
0314aacb | 112 | |
4dedbfe0 | 113 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 114 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 115 | static int popup_activated_flag; |
4dedbfe0 | 116 | |
bd3a4da2 | 117 | \f |
88766961 | 118 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 119 | |
281585b0 PE |
120 | static int next_menubar_widget_id; |
121 | ||
7556890b | 122 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 123 | |
88766961 | 124 | static struct frame * |
ebd15611 | 125 | menubar_id_to_frame (LWLIB_ID id) |
88766961 RS |
126 | { |
127 | Lisp_Object tail, frame; | |
a10c8269 | 128 | struct frame *f; |
bd3a4da2 | 129 | |
5b04e9f9 | 130 | FOR_EACH_FRAME (tail, frame) |
bd3a4da2 | 131 | { |
88766961 | 132 | f = XFRAME (frame); |
2d764c78 | 133 | if (!FRAME_WINDOW_P (f)) |
88766961 | 134 | continue; |
7556890b | 135 | if (f->output_data.x->id == id) |
88766961 | 136 | return f; |
bd3a4da2 | 137 | } |
88766961 | 138 | return 0; |
bd3a4da2 | 139 | } |
88766961 RS |
140 | |
141 | #endif | |
4dedbfe0 | 142 | \f |
a894238b JD |
143 | #ifdef HAVE_X_WINDOWS |
144 | /* Return the mouse position in *X and *Y. The coordinates are window | |
145 | relative for the edit window in frame F. | |
146 | This is for Fx_popup_menu. The mouse_position_hook can not | |
147 | be used for X, as it returns window relative coordinates | |
148 | for the window where the mouse is in. This could be the menu bar, | |
149 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
150 | sure it is the edit window. */ | |
ef7417fd | 151 | void |
a10c8269 | 152 | mouse_position_for_popup (struct frame *f, int *x, int *y) |
a894238b JD |
153 | { |
154 | Window root, dummy_window; | |
155 | int dummy; | |
156 | ||
65b02bb9 | 157 | eassert (FRAME_X_P (f)); |
62af879c | 158 | |
4d7e6e51 | 159 | block_input (); |
177c0ea7 | 160 | |
a894238b JD |
161 | XQueryPointer (FRAME_X_DISPLAY (f), |
162 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
163 | ||
164 | /* The root window which contains the pointer. */ | |
165 | &root, | |
166 | ||
167 | /* Window pointer is on, not used */ | |
168 | &dummy_window, | |
169 | ||
170 | /* The position on that root window. */ | |
171 | x, y, | |
172 | ||
173 | /* x/y in dummy_window coordinates, not used. */ | |
174 | &dummy, &dummy, | |
175 | ||
176 | /* Modifier keys and pointer buttons, about which | |
177 | we don't care. */ | |
178 | (unsigned int *) &dummy); | |
179 | ||
4d7e6e51 | 180 | unblock_input (); |
a894238b | 181 | |
cfd794af | 182 | /* x_menu_show expects window coordinates, not root window |
a894238b | 183 | coordinates. Translate. */ |
9882535b KS |
184 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
185 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
186 | } |
187 | ||
188 | #endif /* HAVE_X_WINDOWS */ | |
189 | ||
c3438661 JD |
190 | #ifndef MSDOS |
191 | ||
4475bec4 PE |
192 | #if defined USE_GTK || defined USE_MOTIF |
193 | ||
b3935289 JD |
194 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
195 | ||
196 | void | |
971de7fb | 197 | x_menu_set_in_use (int in_use) |
b3935289 JD |
198 | { |
199 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 200 | popup_activated_flag = in_use; |
73dba342 | 201 | #ifdef USE_X_TOOLKIT |
98a20c65 CY |
202 | if (popup_activated_flag) |
203 | x_activate_timeout_atimer (); | |
73dba342 | 204 | #endif |
b3935289 JD |
205 | } |
206 | ||
4475bec4 PE |
207 | #endif |
208 | ||
c3438661 JD |
209 | /* Wait for an X event to arrive or for a timer to expire. */ |
210 | ||
6f37259d PE |
211 | #ifndef USE_MOTIF |
212 | static | |
213 | #endif | |
b3935289 | 214 | void |
c3438661 JD |
215 | x_menu_wait_for_event (void *data) |
216 | { | |
c3438661 JD |
217 | /* Another way to do this is to register a timer callback, that can be |
218 | done in GTK and Xt. But we have to do it like this when using only X | |
219 | anyway, and with callbacks we would have three variants for timer handling | |
220 | instead of the small ifdefs below. */ | |
221 | ||
222 | while ( | |
223 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 224 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
225 | #elif defined USE_GTK |
226 | ! gtk_events_pending () | |
227 | #else | |
7d652d97 | 228 | ! XPending (data) |
c3438661 JD |
229 | #endif |
230 | ) | |
231 | { | |
43aac990 | 232 | struct timespec next_time = timer_check (), *ntp; |
d486344e | 233 | fd_set read_fds; |
c3438661 JD |
234 | struct x_display_info *dpyinfo; |
235 | int n = 0; | |
236 | ||
237 | FD_ZERO (&read_fds); | |
238 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
239 | { | |
240 | int fd = ConnectionNumber (dpyinfo->display); | |
241 | FD_SET (fd, &read_fds); | |
242 | if (fd > n) n = fd; | |
11814156 | 243 | XFlush (dpyinfo->display); |
c3438661 JD |
244 | } |
245 | ||
43aac990 | 246 | if (! timespec_valid_p (next_time)) |
e90292a9 JD |
247 | ntp = 0; |
248 | else | |
249 | ntp = &next_time; | |
c3438661 | 250 | |
8f5f35cc | 251 | #if defined USE_GTK && defined HAVE_GTK3 |
63def6b6 CY |
252 | /* Gtk3 have arrows on menus when they don't fit. When the |
253 | pointer is over an arrow, a timeout scrolls it a bit. Use | |
254 | xg_select so that timeout gets triggered. */ | |
255 | xg_select (n + 1, &read_fds, NULL, NULL, ntp, NULL); | |
93d5ca1f | 256 | #else |
d35af63c | 257 | pselect (n + 1, &read_fds, NULL, NULL, ntp, NULL); |
93d5ca1f | 258 | #endif |
c3438661 JD |
259 | } |
260 | } | |
261 | #endif /* ! MSDOS */ | |
262 | ||
78589e07 | 263 | \f |
488dd4c4 | 264 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 265 | |
f1d1cd24 JD |
266 | #ifdef USE_X_TOOLKIT |
267 | ||
4dedbfe0 | 268 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 269 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
270 | and x-popup-dialog; it is not used for the menu bar. |
271 | ||
2e2b8e22 | 272 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 273 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 274 | |
f02cac82 | 275 | static void |
ebd15611 | 276 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 277 | { |
4dedbfe0 | 278 | XEvent event; |
f02cac82 | 279 | |
8b806a85 JD |
280 | while (popup_activated_flag) |
281 | { | |
c0b0f54b | 282 | if (initial_event) |
8b806a85 JD |
283 | { |
284 | event = *initial_event; | |
285 | initial_event = 0; | |
286 | } | |
287 | else | |
c3438661 JD |
288 | { |
289 | if (do_timers) x_menu_wait_for_event (0); | |
290 | XtAppNextEvent (Xt_app_con, &event); | |
291 | } | |
78589e07 | 292 | |
10624005 | 293 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
294 | And make sure to deactivate for any ButtonRelease, |
295 | even if XtDispatchEvent doesn't do that. */ | |
296 | if (event.type == ButtonRelease | |
297 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
298 | { |
299 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 300 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
301 | Btn1Down seems the only way to convince Motif to |
302 | activate its callbacks; setting the XmNmenuPost | |
303 | isn't working. --marcus@sysc.pdx.edu. */ | |
304 | event.xbutton.button = 1; | |
305 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
306 | key is pressed and the button is released. So reset key state | |
307 | so Motif thinks this is the case. */ | |
308 | event.xbutton.state = 0; | |
c8b5aa3d | 309 | #endif |
10624005 | 310 | } |
33385c6f | 311 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 312 | else if (event.type == KeyPress |
10624005 | 313 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
314 | { |
315 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 316 | |
33385c6f JD |
317 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
318 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 319 | popup_activated_flag = 0; |
8b806a85 | 320 | } |
177c0ea7 | 321 | |
8b806a85 | 322 | x_dispatch_event (&event, event.xany.display); |
aa669def | 323 | } |
78589e07 RS |
324 | } |
325 | ||
12b6af5c | 326 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
327 | doc: /* Start key navigation of the menu bar in FRAME. |
328 | This initially opens the first menu bar item and you can then navigate with the | |
329 | arrow keys, select a menu entry with the return key or cancel with the | |
330 | escape key. If FRAME has no menu bar this function does nothing. | |
331 | ||
332 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 333 | (Lisp_Object frame) |
22badffe JD |
334 | { |
335 | XEvent ev; | |
a10c8269 | 336 | struct frame *f = decode_window_system_frame (frame); |
22badffe | 337 | Widget menubar; |
4d7e6e51 | 338 | block_input (); |
22badffe JD |
339 | |
340 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
341 | set_frame_menubar (f, 0, 1); | |
342 | ||
343 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
344 | if (menubar) | |
345 | { | |
346 | Window child; | |
d7e6881a | 347 | bool error_p = 0; |
22badffe JD |
348 | |
349 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
350 | memset (&ev, 0, sizeof ev); | |
351 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
352 | ev.xbutton.window = XtWindow (menubar); | |
aad3612f | 353 | ev.xbutton.root = FRAME_DISPLAY_INFO (f)->root_window; |
22badffe JD |
354 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); |
355 | ev.xbutton.button = Button1; | |
356 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
357 | ev.xbutton.same_screen = True; | |
358 | ||
359 | #ifdef USE_MOTIF | |
360 | { | |
361 | Arg al[2]; | |
362 | WidgetList list; | |
363 | Cardinal nr; | |
364 | XtSetArg (al[0], XtNchildren, &list); | |
365 | XtSetArg (al[1], XtNnumChildren, &nr); | |
366 | XtGetValues (menubar, al, 2); | |
367 | ev.xbutton.window = XtWindow (list[0]); | |
368 | } | |
369 | #endif | |
370 | ||
371 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
372 | /* From-window, to-window. */ | |
373 | ev.xbutton.window, ev.xbutton.root, | |
374 | ||
375 | /* From-position, to-position. */ | |
376 | ev.xbutton.x, ev.xbutton.y, | |
377 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
378 | ||
379 | /* Child of win. */ | |
380 | &child); | |
381 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
382 | x_uncatch_errors (); | |
383 | ||
384 | if (! error_p) | |
385 | { | |
386 | ev.type = ButtonPress; | |
387 | ev.xbutton.state = 0; | |
388 | ||
389 | XtDispatchEvent (&ev); | |
390 | ev.xbutton.type = ButtonRelease; | |
391 | ev.xbutton.state = Button1Mask; | |
392 | XtDispatchEvent (&ev); | |
393 | } | |
394 | } | |
395 | ||
4d7e6e51 | 396 | unblock_input (); |
57d671b4 AS |
397 | |
398 | return Qnil; | |
22badffe | 399 | } |
488dd4c4 JD |
400 | #endif /* USE_X_TOOLKIT */ |
401 | ||
22badffe | 402 | |
488dd4c4 | 403 | #ifdef USE_GTK |
12b6af5c | 404 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
405 | doc: /* Start key navigation of the menu bar in FRAME. |
406 | This initially opens the first menu bar item and you can then navigate with the | |
407 | arrow keys, select a menu entry with the return key or cancel with the | |
408 | escape key. If FRAME has no menu bar this function does nothing. | |
409 | ||
410 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 411 | (Lisp_Object frame) |
22badffe JD |
412 | { |
413 | GtkWidget *menubar; | |
a10c8269 | 414 | struct frame *f; |
718aeeb8 | 415 | |
4d7e6e51 | 416 | block_input (); |
7452b7bd | 417 | f = decode_window_system_frame (frame); |
22badffe JD |
418 | |
419 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
420 | set_frame_menubar (f, 0, 1); | |
421 | ||
422 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
423 | if (menubar) | |
424 | { | |
425 | /* Activate the first menu. */ | |
426 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
427 | ||
32d46135 JD |
428 | if (children) |
429 | { | |
430 | g_signal_emit_by_name (children->data, "activate_item"); | |
431 | popup_activated_flag = 1; | |
432 | g_list_free (children); | |
433 | } | |
22badffe | 434 | } |
4d7e6e51 | 435 | unblock_input (); |
22badffe JD |
436 | |
437 | return Qnil; | |
438 | } | |
439 | ||
488dd4c4 JD |
440 | /* Loop util popup_activated_flag is set to zero in a callback. |
441 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 442 | |
488dd4c4 | 443 | static void |
971de7fb | 444 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
445 | { |
446 | ++popup_activated_flag; | |
447 | ||
448 | /* Process events in the Gtk event loop until done. */ | |
449 | while (popup_activated_flag) | |
450 | { | |
c3438661 | 451 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
452 | gtk_main_iteration (); |
453 | } | |
454 | } | |
455 | #endif | |
456 | ||
88766961 RS |
457 | /* Activate the menu bar of frame F. |
458 | This is called from keyboard.c when it gets the | |
3b8f9651 | 459 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
460 | |
461 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 462 | that was saved in saved_menu_event. |
88766961 RS |
463 | That makes the toolkit do its thing. |
464 | ||
465 | But first we recompute the menu bar contents (the whole tree). | |
466 | ||
467 | The reason for saving the button event until here, instead of | |
468 | passing it to the toolkit right away, is that we can safely | |
469 | execute Lisp code. */ | |
177c0ea7 | 470 | |
dfcf069d | 471 | void |
a10c8269 | 472 | x_activate_menubar (struct frame *f) |
88766961 | 473 | { |
65b02bb9 | 474 | eassert (FRAME_X_P (f)); |
62af879c | 475 | |
ac78b144 | 476 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
477 | return; |
478 | ||
177c0ea7 | 479 | #ifdef USE_GTK |
6b61353c KH |
480 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
481 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
482 | return; |
483 | #endif | |
177c0ea7 | 484 | |
a9be6839 | 485 | set_frame_menubar (f, 0, 1); |
4d7e6e51 | 486 | block_input (); |
cf28cebc | 487 | popup_activated_flag = 1; |
488dd4c4 JD |
488 | #ifdef USE_GTK |
489 | XPutBackEvent (f->output_data.x->display_info->display, | |
490 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 491 | #else |
86fad4ec | 492 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 493 | #endif |
4d7e6e51 | 494 | unblock_input (); |
177c0ea7 | 495 | |
88766961 | 496 | /* Ignore this if we get it a second time. */ |
ac78b144 | 497 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
498 | } |
499 | ||
4dedbfe0 PR |
500 | /* This callback is invoked when the user selects a menubar cascade |
501 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 502 | |
488dd4c4 | 503 | #ifndef USE_GTK |
78589e07 | 504 | static void |
ebd15611 | 505 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 506 | { |
4dedbfe0 | 507 | popup_activated_flag = 1; |
98a20c65 | 508 | x_activate_timeout_atimer (); |
7555d825 | 509 | } |
488dd4c4 | 510 | #endif |
7555d825 GM |
511 | |
512 | /* This callback is invoked when a dialog or menu is finished being | |
513 | used and has been unposted. */ | |
514 | ||
488dd4c4 | 515 | static void |
5db81e33 SM |
516 | popup_deactivate_callback ( |
517 | #ifdef USE_GTK | |
518 | GtkWidget *widget, gpointer client_data | |
488dd4c4 | 519 | #else |
5db81e33 SM |
520 | Widget widget, LWLIB_ID id, XtPointer client_data |
521 | #endif | |
522 | ) | |
7555d825 | 523 | { |
7555d825 | 524 | popup_activated_flag = 0; |
78589e07 RS |
525 | } |
526 | ||
850df50b | 527 | |
488dd4c4 JD |
528 | /* Function that finds the frame for WIDGET and shows the HELP text |
529 | for that widget. | |
530 | F is the frame if known, or NULL if not known. */ | |
531 | static void | |
a10c8269 | 532 | show_help_event (struct frame *f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 533 | { |
488dd4c4 | 534 | Lisp_Object frame; |
850df50b | 535 | |
850df50b | 536 | if (f) |
9cd50434 GM |
537 | { |
538 | XSETFRAME (frame, f); | |
539 | kbd_buffer_store_help_event (frame, help); | |
540 | } | |
850df50b GM |
541 | else |
542 | { | |
6b61353c | 543 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 544 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 545 | widget. See which frame that is. */ |
488dd4c4 | 546 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
547 | Lisp_Object tail; |
548 | ||
8e50cc2d | 549 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
550 | { |
551 | frame = XCAR (tail); | |
8e50cc2d | 552 | if (FRAMEP (frame) |
850df50b GM |
553 | && (f = XFRAME (frame), |
554 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
555 | break; | |
556 | } | |
6b61353c | 557 | #endif |
f868cd8a | 558 | show_help_echo (help, Qnil, Qnil, Qnil); |
9cd50434 | 559 | } |
850df50b GM |
560 | } |
561 | ||
488dd4c4 JD |
562 | /* Callback called when menu items are highlighted/unhighlighted |
563 | while moving the mouse over them. WIDGET is the menu bar or menu | |
564 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
565 | the data structure for the menu item, or null in case of | |
566 | unhighlighting. */ | |
4dedbfe0 | 567 | |
488dd4c4 | 568 | #ifdef USE_GTK |
032f1620 | 569 | static void |
971de7fb | 570 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
571 | { |
572 | xg_menu_item_cb_data *cb_data; | |
573 | Lisp_Object help; | |
177c0ea7 | 574 | |
7d652d97 | 575 | cb_data = g_object_get_data (G_OBJECT (widget), XG_ITEM_DATA); |
488dd4c4 JD |
576 | if (! cb_data) return; |
577 | ||
578 | help = call_data ? cb_data->help : Qnil; | |
579 | ||
580 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
a560d974 JD |
581 | Don't pass the frame to show_help_event for those. |
582 | Passing frame creates an Emacs event. As we are looping in | |
8d5ed899 | 583 | popup_widget_loop, it won't be handled. Passing NULL shows the tip |
a560d974 JD |
584 | directly without using an Emacs event. This is what the Lucid code |
585 | does below. */ | |
586 | show_help_event (popup_activated_flag <= 1 ? cb_data->cl_data->f : NULL, | |
587 | widget, help); | |
488dd4c4 JD |
588 | } |
589 | #else | |
032f1620 | 590 | static void |
ebd15611 | 591 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 | 592 | { |
7d652d97 PE |
593 | widget_value *wv = call_data; |
594 | Lisp_Object help = wv ? wv->help : Qnil; | |
177c0ea7 | 595 | |
488dd4c4 | 596 | /* Determine the frame for the help event. */ |
7d652d97 | 597 | struct frame *f = menubar_id_to_frame (id); |
488dd4c4 JD |
598 | |
599 | show_help_event (f, widget, help); | |
600 | } | |
601 | #endif | |
602 | ||
488dd4c4 JD |
603 | #ifdef USE_GTK |
604 | /* Gtk calls callbacks just because we tell it what item should be | |
605 | selected in a radio group. If this variable is set to a non-zero | |
606 | value, we are creating menus and don't want callbacks right now. | |
607 | */ | |
608 | static int xg_crazy_callback_abort; | |
609 | ||
610 | /* This callback is called from the menu bar pulldown menu | |
611 | when the user makes a selection. | |
612 | Figure out what the user chose | |
613 | and put the appropriate events into the keyboard buffer. */ | |
614 | static void | |
971de7fb | 615 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 616 | { |
7d652d97 | 617 | xg_menu_item_cb_data *cb_data = client_data; |
488dd4c4 JD |
618 | |
619 | if (xg_crazy_callback_abort) | |
620 | return; | |
621 | ||
622 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
623 | return; | |
624 | ||
b79c8219 JD |
625 | /* For a group of radio buttons, GTK calls the selection callback first |
626 | for the item that was active before the selection and then for the one that | |
627 | is active after the selection. For C-h k this means we get the help on | |
628 | the deselected item and then the selected item is executed. Prevent that | |
629 | by ignoring the non-active item. */ | |
630 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
631 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
632 | return; | |
633 | ||
81f09877 JD |
634 | /* When a menu is popped down, X generates a focus event (i.e. focus |
635 | goes back to the frame below the menu). Since GTK buffers events, | |
636 | we force it out here before the menu selection event. Otherwise | |
637 | sit-for will exit at once if the focus event follows the menu selection | |
638 | event. */ | |
639 | ||
4d7e6e51 | 640 | block_input (); |
81f09877 JD |
641 | while (gtk_events_pending ()) |
642 | gtk_main_iteration (); | |
4d7e6e51 | 643 | unblock_input (); |
81f09877 | 644 | |
488dd4c4 JD |
645 | find_and_call_menu_selection (cb_data->cl_data->f, |
646 | cb_data->cl_data->menu_bar_items_used, | |
647 | cb_data->cl_data->menu_bar_vector, | |
648 | cb_data->call_data); | |
649 | } | |
650 | ||
651 | #else /* not USE_GTK */ | |
652 | ||
653 | /* This callback is called from the menu bar pulldown menu | |
654 | when the user makes a selection. | |
655 | Figure out what the user chose | |
656 | and put the appropriate events into the keyboard buffer. */ | |
657 | static void | |
ebd15611 | 658 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 | 659 | { |
a10c8269 | 660 | struct frame *f; |
488dd4c4 JD |
661 | |
662 | f = menubar_id_to_frame (id); | |
663 | if (!f) | |
664 | return; | |
665 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
e69b0960 | 666 | f->menu_bar_vector, client_data); |
488dd4c4 JD |
667 | } |
668 | #endif /* not USE_GTK */ | |
f61a541b GM |
669 | \f |
670 | /* Recompute all the widgets of frame F, when the menu bar has been | |
18e27ea8 | 671 | changed. */ |
f61a541b | 672 | |
18e27ea8 | 673 | static void |
a10c8269 | 674 | update_frame_menubar (struct frame *f) |
18686d47 | 675 | { |
488dd4c4 | 676 | #ifdef USE_GTK |
18e27ea8 | 677 | xg_update_frame_menubar (f); |
488dd4c4 | 678 | #else |
62af879c | 679 | struct x_output *x; |
cffa74ea | 680 | int columns, rows; |
177c0ea7 | 681 | |
65b02bb9 | 682 | eassert (FRAME_X_P (f)); |
62af879c KL |
683 | |
684 | x = f->output_data.x; | |
685 | ||
f61a541b | 686 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
18e27ea8 | 687 | return; |
18686d47 | 688 | |
4d7e6e51 | 689 | block_input (); |
f61a541b GM |
690 | /* Save the size of the frame because the pane widget doesn't accept |
691 | to resize itself. So force it. */ | |
9882535b KS |
692 | columns = FRAME_COLS (f); |
693 | rows = FRAME_LINES (f); | |
cffa74ea | 694 | |
f61a541b GM |
695 | /* Do the voodoo which means "I'm changing lots of things, don't try |
696 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 697 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 698 | |
f61a541b GM |
699 | /* The order in which children are managed is the top to bottom |
700 | order in which they are displayed in the paned window. First, | |
701 | remove the text-area widget. */ | |
18686d47 RS |
702 | XtUnmanageChild (x->edit_widget); |
703 | ||
f61a541b GM |
704 | /* Remove the menubar that is there now, and put up the menubar that |
705 | should be there. */ | |
706 | XtManageChild (x->menubar_widget); | |
707 | XtMapWidget (x->menubar_widget); | |
708 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 709 | |
c98fcf4b | 710 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 711 | XtManageChild (x->edit_widget); |
4dedbfe0 | 712 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
713 | |
714 | /* Force the pane widget to resize itself with the right values. */ | |
715 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
4d7e6e51 | 716 | unblock_input (); |
488dd4c4 | 717 | #endif |
18686d47 RS |
718 | } |
719 | ||
99852628 | 720 | #ifdef USE_LUCID |
1ecb2d3f | 721 | static void |
ebd15611 | 722 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
723 | { |
724 | const char *fn = xsettings_get_system_normal_font (); | |
51b59d79 | 725 | if (fn) |
1ecb2d3f JD |
726 | { |
727 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
728 | if (db) | |
3928f2b6 | 729 | XrmPutStringResource (&db, "*dialog.font", fn); |
1ecb2d3f JD |
730 | } |
731 | } | |
732 | ||
99852628 | 733 | static void |
3928f2b6 | 734 | apply_systemfont_to_menu (struct frame *f, Widget w) |
99852628 JD |
735 | { |
736 | const char *fn = xsettings_get_system_normal_font (); | |
99852628 | 737 | |
3928f2b6 | 738 | if (fn) |
99852628 | 739 | { |
3928f2b6 JD |
740 | XrmDatabase db = XtDatabase (XtDisplay (w)); |
741 | if (db) | |
742 | { | |
743 | XrmPutStringResource (&db, "*menubar*font", fn); | |
744 | XrmPutStringResource (&db, "*popup*font", fn); | |
745 | } | |
99852628 | 746 | } |
99852628 | 747 | } |
3928f2b6 | 748 | |
99852628 JD |
749 | #endif |
750 | ||
4bcdbab1 KH |
751 | /* Set the contents of the menubar widgets of frame F. |
752 | The argument FIRST_TIME is currently ignored; | |
753 | it is set the first time this is called, from initialize_frame_menubar. */ | |
754 | ||
18686d47 | 755 | void |
a10c8269 | 756 | set_frame_menubar (struct frame *f, bool first_time, bool deep_p) |
18686d47 | 757 | { |
62af879c | 758 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
759 | #ifdef USE_X_TOOLKIT |
760 | LWLIB_ID id; | |
761 | #endif | |
faa935b6 | 762 | Lisp_Object items; |
4d19cb8e | 763 | widget_value *wv, *first_wv, *prev_wv = 0; |
3e26f69c | 764 | int i; |
ced89c24 | 765 | int *submenu_start, *submenu_end; |
7cded46f PE |
766 | bool *submenu_top_level_items; |
767 | int *submenu_n_panes; | |
cc45fb40 | 768 | |
65b02bb9 | 769 | eassert (FRAME_X_P (f)); |
62af879c KL |
770 | |
771 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 772 | |
bfc524bc RS |
773 | XSETFRAME (Vmenu_updating_frame, f); |
774 | ||
488dd4c4 | 775 | #ifdef USE_X_TOOLKIT |
7556890b RS |
776 | if (f->output_data.x->id == 0) |
777 | f->output_data.x->id = next_menubar_widget_id++; | |
778 | id = f->output_data.x->id; | |
488dd4c4 | 779 | #endif |
177c0ea7 | 780 | |
88766961 RS |
781 | if (! menubar_widget) |
782 | deep_p = 1; | |
a9be6839 RS |
783 | /* Make the first call for any given frame always go deep. */ |
784 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
785 | { |
786 | deep_p = 1; | |
23f86fce | 787 | f->output_data.x->saved_menu_event = xmalloc (sizeof (XEvent)); |
a9be6839 | 788 | f->output_data.x->saved_menu_event->type = 0; |
745c34fb | 789 | } |
18686d47 | 790 | |
6b61353c KH |
791 | #ifdef USE_GTK |
792 | /* If we have detached menus, we must update deep so detached menus | |
793 | also gets updated. */ | |
7a1b473c | 794 | deep_p = deep_p || xg_have_tear_offs (f); |
6b61353c KH |
795 | #endif |
796 | ||
88766961 | 797 | if (deep_p) |
18686d47 | 798 | { |
88766961 RS |
799 | /* Make a widget-value tree representing the entire menu trees. */ |
800 | ||
801 | struct buffer *prev = current_buffer; | |
802 | Lisp_Object buffer; | |
d311d28c | 803 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
804 | int previous_menu_items_used = f->menu_bar_items_used; |
805 | Lisp_Object *previous_items | |
38182d90 | 806 | = alloca (previous_menu_items_used * sizeof *previous_items); |
3e26f69c | 807 | int subitems; |
88766961 | 808 | |
0b1cf399 RS |
809 | /* If we are making a new widget, its contents are empty, |
810 | do always reinitialize them. */ | |
811 | if (! menubar_widget) | |
812 | previous_menu_items_used = 0; | |
813 | ||
e74aeda8 | 814 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->contents; |
88766961 RS |
815 | specbind (Qinhibit_quit, Qt); |
816 | /* Don't let the debugger step into this code | |
817 | because it is not reentrant. */ | |
818 | specbind (Qdebug_on_next_call, Qnil); | |
819 | ||
89f2614d | 820 | record_unwind_save_match_data (); |
88766961 RS |
821 | if (NILP (Voverriding_local_map_menu_flag)) |
822 | { | |
823 | specbind (Qoverriding_terminal_local_map, Qnil); | |
824 | specbind (Qoverriding_local_map, Qnil); | |
825 | } | |
18686d47 | 826 | |
88766961 | 827 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 828 | |
88766961 | 829 | /* Run the Lucid hook. */ |
950eaee7 | 830 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 831 | |
88766961 RS |
832 | /* If it has changed current-menubar from previous value, |
833 | really recompute the menubar from the value. */ | |
834 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
835 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 836 | safe_run_hooks (Qmenu_bar_update_hook); |
f00af5b1 | 837 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
18686d47 | 838 | |
88766961 | 839 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 840 | |
88766961 | 841 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 842 | if (previous_menu_items_used) |
91f2d272 | 843 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
663e2b3f | 844 | previous_menu_items_used * word_size); |
8d8a3494 | 845 | |
ced89c24 RS |
846 | /* Fill in menu_items with the current menu bar contents. |
847 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
848 | save_menu_items (); |
849 | ||
e69b0960 | 850 | menu_items = f->menu_bar_vector; |
86c04183 | 851 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
77b37c05 | 852 | subitems = ASIZE (items) / 4; |
38182d90 PE |
853 | submenu_start = alloca ((subitems + 1) * sizeof *submenu_start); |
854 | submenu_end = alloca (subitems * sizeof *submenu_end); | |
855 | submenu_n_panes = alloca (subitems * sizeof *submenu_n_panes); | |
856 | submenu_top_level_items = alloca (subitems | |
857 | * sizeof *submenu_top_level_items); | |
88766961 | 858 | init_menu_items (); |
e3019616 | 859 | for (i = 0; i < subitems; i++) |
88766961 RS |
860 | { |
861 | Lisp_Object key, string, maps; | |
862 | ||
28be1ada DA |
863 | key = AREF (items, 4 * i); |
864 | string = AREF (items, 4 * i + 1); | |
865 | maps = AREF (items, 4 * i + 2); | |
88766961 RS |
866 | if (NILP (string)) |
867 | break; | |
868 | ||
ced89c24 RS |
869 | submenu_start[i] = menu_items_used; |
870 | ||
871 | menu_items_n_panes = 0; | |
872 | submenu_top_level_items[i] | |
873 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 874 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
875 | |
876 | submenu_end[i] = menu_items_used; | |
877 | } | |
878 | ||
3e26f69c | 879 | submenu_start[i] = -1; |
ced89c24 RS |
880 | finish_menu_items (); |
881 | ||
882 | /* Convert menu_items into widget_value trees | |
883 | to display the menu. This cannot evaluate Lisp code. */ | |
884 | ||
5668fb88 | 885 | wv = make_widget_value ("menubar", NULL, true, Qnil); |
ced89c24 | 886 | wv->button_type = BUTTON_TYPE_NONE; |
ced89c24 RS |
887 | first_wv = wv; |
888 | ||
908589fd | 889 | for (i = 0; submenu_start[i] >= 0; i++) |
ced89c24 | 890 | { |
37dc84ff | 891 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
892 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
893 | submenu_top_level_items[i]); | |
177c0ea7 | 894 | if (prev_wv) |
88766961 RS |
895 | prev_wv->next = wv; |
896 | else | |
897 | first_wv->contents = wv; | |
898 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
899 | wv->enabled = 1; | |
3427a3db | 900 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
901 | prev_wv = wv; |
902 | } | |
903 | ||
88766961 | 904 | set_buffer_internal_1 (prev); |
8d8a3494 | 905 | |
88766961 RS |
906 | /* If there has been no change in the Lisp-level contents |
907 | of the menu bar, skip redisplaying it. Just exit. */ | |
908 | ||
510d5bf6 | 909 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
910 | for (i = 0; i < previous_menu_items_used; i++) |
911 | if (menu_items_used == i | |
28be1ada | 912 | || (!EQ (previous_items[i], AREF (menu_items, i)))) |
88766961 | 913 | break; |
62555c22 | 914 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 915 | { |
510d5bf6 RS |
916 | /* The menu items have not changed. Don't bother updating |
917 | the menus in any form, since it would be a no-op. */ | |
88766961 | 918 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 919 | discard_menu_items (); |
1fc4d463 | 920 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
921 | return; |
922 | } | |
923 | ||
510d5bf6 | 924 | /* The menu items are different, so store them in the frame. */ |
f00af5b1 | 925 | fset_menu_bar_vector (f, menu_items); |
1fc4d463 RS |
926 | f->menu_bar_items_used = menu_items_used; |
927 | ||
bf732638 | 928 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
929 | unbind_to (specpdl_count, Qnil); |
930 | ||
88766961 RS |
931 | /* Now GC cannot happen during the lifetime of the widget_value, |
932 | so it's safe to store data from a Lisp_String. */ | |
933 | wv = first_wv->contents; | |
77b37c05 | 934 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
935 | { |
936 | Lisp_Object string; | |
28be1ada | 937 | string = AREF (items, i + 1); |
88766961 | 938 | if (NILP (string)) |
2bf436c3 | 939 | break; |
51b59d79 | 940 | wv->name = SSDATA (string); |
2bf436c3 JD |
941 | update_submenu_strings (wv->contents); |
942 | wv = wv->next; | |
88766961 RS |
943 | } |
944 | ||
4d19cb8e | 945 | } |
88766961 RS |
946 | else |
947 | { | |
948 | /* Make a widget-value tree containing | |
949 | just the top level menu bar strings. */ | |
4d19cb8e | 950 | |
5668fb88 | 951 | wv = make_widget_value ("menubar", NULL, true, Qnil); |
ced89c24 | 952 | wv->button_type = BUTTON_TYPE_NONE; |
ced89c24 RS |
953 | first_wv = wv; |
954 | ||
88766961 | 955 | items = FRAME_MENU_BAR_ITEMS (f); |
77b37c05 | 956 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
957 | { |
958 | Lisp_Object string; | |
959 | ||
28be1ada | 960 | string = AREF (items, i + 1); |
88766961 RS |
961 | if (NILP (string)) |
962 | break; | |
963 | ||
5668fb88 | 964 | wv = make_widget_value (SSDATA (string), NULL, true, Qnil); |
3427a3db | 965 | wv->button_type = BUTTON_TYPE_NONE; |
fe8fa62f RS |
966 | /* This prevents lwlib from assuming this |
967 | menu item is really supposed to be empty. */ | |
d01a7826 | 968 | /* The intptr_t cast avoids a warning. |
fe8fa62f | 969 | This value just has to be different from small integers. */ |
d01a7826 | 970 | wv->call_data = (void *) (intptr_t) (-1); |
88766961 | 971 | |
177c0ea7 | 972 | if (prev_wv) |
88766961 RS |
973 | prev_wv->next = wv; |
974 | else | |
975 | first_wv->contents = wv; | |
976 | prev_wv = wv; | |
977 | } | |
62555c22 RS |
978 | |
979 | /* Forget what we thought we knew about what is in the | |
980 | detailed contents of the menu bar menus. | |
981 | Changing the top level always destroys the contents. */ | |
982 | f->menu_bar_items_used = 0; | |
88766961 | 983 | } |
4dedbfe0 | 984 | |
88766961 | 985 | /* Create or update the menu bar widget. */ |
aa669def | 986 | |
4d7e6e51 | 987 | block_input (); |
aa669def | 988 | |
488dd4c4 JD |
989 | #ifdef USE_GTK |
990 | xg_crazy_callback_abort = 1; | |
991 | if (menubar_widget) | |
992 | { | |
6b61353c | 993 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
994 | menu trees we supply, rather than just the menu bar item names. */ |
995 | xg_modify_menubar_widgets (menubar_widget, | |
996 | f, | |
997 | first_wv, | |
998 | deep_p, | |
999 | G_CALLBACK (menubar_selection_callback), | |
1000 | G_CALLBACK (popup_deactivate_callback), | |
1001 | G_CALLBACK (menu_highlight_callback)); | |
1002 | } | |
1003 | else | |
1004 | { | |
488dd4c4 | 1005 | menubar_widget |
177c0ea7 | 1006 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1007 | G_CALLBACK (menubar_selection_callback), |
1008 | G_CALLBACK (popup_deactivate_callback), | |
1009 | G_CALLBACK (menu_highlight_callback)); | |
1010 | ||
1011 | f->output_data.x->menubar_widget = menubar_widget; | |
1012 | } | |
1013 | ||
177c0ea7 | 1014 | |
488dd4c4 | 1015 | #else /* not USE_GTK */ |
18686d47 | 1016 | if (menubar_widget) |
4dedbfe0 PR |
1017 | { |
1018 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1019 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1020 | |
1021 | /* The third arg is DEEP_P, which says to consider the entire | |
1022 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1023 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1024 | |
c98fcf4b | 1025 | /* Re-enable the edit widget to resize. */ |
7556890b | 1026 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1027 | } |
18686d47 RS |
1028 | else |
1029 | { | |
9f6fcdc5 JD |
1030 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1031 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1032 | ||
3928f2b6 JD |
1033 | #ifdef USE_LUCID |
1034 | apply_systemfont_to_menu (f, f->output_data.x->column_widget); | |
1035 | #endif | |
1036 | menubar_widget = lw_create_widget ("menubar", "menubar", id, | |
1037 | first_wv, | |
7556890b | 1038 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1039 | 0, |
1040 | popup_activate_callback, | |
1041 | menubar_selection_callback, | |
850df50b GM |
1042 | popup_deactivate_callback, |
1043 | menu_highlight_callback); | |
7556890b | 1044 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1045 | |
1046 | /* Make menu pop down on C-g. */ | |
1047 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1048 | } |
1d1c1567 KH |
1049 | |
1050 | { | |
cf28cebc | 1051 | int menubar_size; |
723f5a07 J |
1052 | if (f->output_data.x->menubar_widget) |
1053 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1054 | ||
cf28cebc | 1055 | menubar_size |
7556890b RS |
1056 | = (f->output_data.x->menubar_widget |
1057 | ? (f->output_data.x->menubar_widget->core.height | |
1058 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1059 | : 0); |
1060 | ||
5c646d5a JD |
1061 | #if 1 /* Experimentally, we now get the right results |
1062 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1063 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1064 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1065 | #ifdef USE_LUCID |
1d1c1567 KH |
1066 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1067 | { | |
1068 | Dimension ibw = 0; | |
7556890b | 1069 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1070 | XtNinternalBorderWidth, &ibw, NULL); |
1071 | menubar_size += ibw; | |
1072 | } | |
5ee80bd3 | 1073 | #endif /* USE_LUCID */ |
5c646d5a | 1074 | #endif /* 1 */ |
1d1c1567 | 1075 | |
7556890b | 1076 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1077 | } |
488dd4c4 | 1078 | #endif /* not USE_GTK */ |
177c0ea7 | 1079 | |
18686d47 | 1080 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1081 | update_frame_menubar (f); |
18686d47 | 1082 | |
488dd4c4 JD |
1083 | #ifdef USE_GTK |
1084 | xg_crazy_callback_abort = 0; | |
1085 | #endif | |
1086 | ||
4d7e6e51 | 1087 | unblock_input (); |
18686d47 | 1088 | } |
85f487d1 | 1089 | |
8e6208c5 | 1090 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1091 | before it is mapped, so that the window is mapped with the menubar already |
1092 | there instead of us tacking it on later and thrashing the window after it | |
1093 | is visible. */ | |
1094 | ||
1095 | void | |
a10c8269 | 1096 | initialize_frame_menubar (struct frame *f) |
4dedbfe0 PR |
1097 | { |
1098 | /* This function is called before the first chance to redisplay | |
1099 | the frame. It has to be, so the frame will have the right size. */ | |
f00af5b1 | 1100 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
88766961 | 1101 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1102 | } |
1103 | ||
aba25348 | 1104 | |
4dedbfe0 | 1105 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1106 | This is used when deleting a frame, and when turning off the menu bar. |
1107 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1108 | |
488dd4c4 | 1109 | #ifndef USE_GTK |
85f487d1 | 1110 | void |
a10c8269 | 1111 | free_frame_menubar (struct frame *f) |
85f487d1 FP |
1112 | { |
1113 | Widget menubar_widget; | |
85f487d1 | 1114 | |
65b02bb9 | 1115 | eassert (FRAME_X_P (f)); |
62af879c | 1116 | |
7556890b | 1117 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1118 | |
1119 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1120 | |
85f487d1 FP |
1121 | if (menubar_widget) |
1122 | { | |
aba25348 GM |
1123 | #ifdef USE_MOTIF |
1124 | /* Removing the menu bar magically changes the shell widget's x | |
1125 | and y position of (0, 0) which, when the menu bar is turned | |
53964682 | 1126 | on again, leads to pull-down menus appearing in strange |
aba25348 GM |
1127 | positions near the upper-left corner of the display. This |
1128 | happens only with some window managers like twm and ctwm, | |
1129 | but not with other like Motif's mwm or kwm, because the | |
1130 | latter generate ConfigureNotify events when the menu bar | |
1131 | is switched off, which fixes the shell position. */ | |
1132 | Position x0, y0, x1, y1; | |
1133 | #endif | |
177c0ea7 | 1134 | |
4d7e6e51 | 1135 | block_input (); |
aba25348 GM |
1136 | |
1137 | #ifdef USE_MOTIF | |
ae556422 GM |
1138 | if (f->output_data.x->widget) |
1139 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1140 | #endif |
177c0ea7 | 1141 | |
7556890b | 1142 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1143 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1144 | |
ae556422 GM |
1145 | if (f->output_data.x->widget) |
1146 | { | |
23243f29 | 1147 | #ifdef USE_MOTIF |
ae556422 GM |
1148 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1149 | if (x1 == 0 && y1 == 0) | |
1150 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1151 | #endif |
880e6158 | 1152 | x_set_window_size (f, 0, FRAME_TEXT_WIDTH (f), FRAME_TEXT_HEIGHT (f), 1); |
23243f29 | 1153 | } |
4d7e6e51 | 1154 | unblock_input (); |
85f487d1 FP |
1155 | } |
1156 | } | |
488dd4c4 | 1157 | #endif /* not USE_GTK */ |
78589e07 | 1158 | |
488dd4c4 | 1159 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 | 1160 | \f |
cfd794af | 1161 | /* x_menu_show actually displays a menu using the panes and items in menu_items |
78589e07 | 1162 | and returns the value selected from it. |
cfd794af | 1163 | There are two versions of x_menu_show, one for Xt and one for Xlib. |
78589e07 RS |
1164 | Both assume input is blocked by the caller. */ |
1165 | ||
1166 | /* F is the frame the menu is for. | |
1167 | X and Y are the frame-relative specified position, | |
1168 | relative to the inside upper left corner of the frame F. | |
cfd794af DA |
1169 | Bitfield MENUFLAGS bits are: |
1170 | MENU_FOR_CLICK is set if this menu was invoked for a mouse click. | |
1171 | MENU_KEYMAPS is set if this menu was specified with keymaps; | |
78589e07 RS |
1172 | in that case, we return a list containing the chosen item's value |
1173 | and perhaps also the pane's prefix. | |
1174 | TITLE is the specified menu title. | |
1175 | ERROR is a place to store an error message string in case of failure. | |
1176 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1177 | |
488dd4c4 JD |
1178 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1179 | ||
1180 | /* The item selected in the popup menu. */ | |
1181 | static Lisp_Object *volatile menu_item_selection; | |
1182 | ||
1183 | #ifdef USE_GTK | |
1184 | ||
1185 | /* Used when position a popup menu. See menu_position_func and | |
1186 | create_and_show_popup_menu below. */ | |
1187 | struct next_popup_x_y | |
1188 | { | |
a10c8269 | 1189 | struct frame *f; |
488dd4c4 JD |
1190 | int x; |
1191 | int y; | |
1192 | }; | |
1193 | ||
1194 | /* The menu position function to use if we are not putting a popup | |
1195 | menu where the pointer is. | |
1196 | MENU is the menu to pop up. | |
1197 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1198 | PUSH_IN is not documented in the GTK manual. | |
1199 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1200 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1201 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1202 | |
1203 | Here only X and Y are used. */ | |
1204 | static void | |
971de7fb | 1205 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1206 | { |
7d652d97 | 1207 | struct next_popup_x_y *data = user_data; |
7b76ca1c | 1208 | GtkRequisition req; |
aad3612f | 1209 | struct x_display_info *dpyinfo = FRAME_DISPLAY_INFO (data->f); |
fd2f80c6 CY |
1210 | int disp_width = x_display_pixel_width (dpyinfo); |
1211 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1212 | |
7b76ca1c JD |
1213 | *x = data->x; |
1214 | *y = data->y; | |
1215 | ||
1216 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1217 | the menu is fully visible. */ | |
0afb4571 | 1218 | gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &req); |
7b76ca1c JD |
1219 | if (data->x + req.width > disp_width) |
1220 | *x -= data->x + req.width - disp_width; | |
1221 | if (data->y + req.height > disp_height) | |
1222 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1223 | } |
1224 | ||
1225 | static void | |
971de7fb | 1226 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 1227 | { |
7d652d97 | 1228 | xg_menu_item_cb_data *cb_data = client_data; |
488dd4c4 JD |
1229 | |
1230 | if (xg_crazy_callback_abort) return; | |
7d652d97 | 1231 | if (cb_data) menu_item_selection = cb_data->call_data; |
488dd4c4 JD |
1232 | } |
1233 | ||
27e498e6 PE |
1234 | static void |
1235 | pop_down_menu (void *arg) | |
af89e871 JD |
1236 | { |
1237 | popup_activated_flag = 0; | |
4d7e6e51 | 1238 | block_input (); |
27e498e6 | 1239 | gtk_widget_destroy (GTK_WIDGET (arg)); |
4d7e6e51 | 1240 | unblock_input (); |
af89e871 JD |
1241 | } |
1242 | ||
488dd4c4 JD |
1243 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1244 | menu pops down. | |
1245 | menu_item_selection will be set to the selection. */ | |
1246 | static void | |
6bbe6da8 DA |
1247 | create_and_show_popup_menu (struct frame *f, widget_value *first_wv, |
1248 | int x, int y, bool for_click) | |
488dd4c4 JD |
1249 | { |
1250 | int i; | |
1251 | GtkWidget *menu; | |
1252 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1253 | struct next_popup_x_y popup_x_y; | |
d311d28c | 1254 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
7cded46f | 1255 | bool use_pos_func = ! for_click; |
93d5ca1f JD |
1256 | |
1257 | #ifdef HAVE_GTK3 | |
1258 | /* Always use position function for Gtk3. Otherwise menus may become | |
1259 | too small to show anything. */ | |
1260 | use_pos_func = 1; | |
1261 | #endif | |
488dd4c4 | 1262 | |
65b02bb9 | 1263 | eassert (FRAME_X_P (f)); |
62af879c | 1264 | |
488dd4c4 JD |
1265 | xg_crazy_callback_abort = 1; |
1266 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1267 | G_CALLBACK (popup_selection_callback), | |
1268 | G_CALLBACK (popup_deactivate_callback), | |
1269 | G_CALLBACK (menu_highlight_callback)); | |
1270 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1271 | |
93d5ca1f | 1272 | if (use_pos_func) |
488dd4c4 JD |
1273 | { |
1274 | /* Not invoked by a click. pop up at x/y. */ | |
1275 | pos_func = menu_position_func; | |
1276 | ||
1277 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1278 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1279 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1280 | |
1281 | popup_x_y.x = x; | |
1282 | popup_x_y.y = y; | |
7b76ca1c | 1283 | popup_x_y.f = f; |
488dd4c4 | 1284 | |
9b85e63d JD |
1285 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1286 | } | |
93d5ca1f JD |
1287 | |
1288 | if (for_click) | |
9b85e63d JD |
1289 | { |
1290 | for (i = 0; i < 5; i++) | |
aad3612f | 1291 | if (FRAME_DISPLAY_INFO (f)->grabbed & (1 << i)) |
9b85e63d | 1292 | break; |
e9abb8a8 | 1293 | /* If keys aren't grabbed (i.e., a mouse up event), use 0. */ |
61c2b0b3 | 1294 | if (i == 5) i = 0; |
9b85e63d | 1295 | } |
59cfb104 | 1296 | |
488dd4c4 JD |
1297 | /* Display the menu. */ |
1298 | gtk_widget_show_all (menu); | |
c0df13a6 | 1299 | |
a20903d0 | 1300 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
6bbe6da8 | 1301 | FRAME_DISPLAY_INFO (f)->last_user_time); |
177c0ea7 | 1302 | |
27e498e6 | 1303 | record_unwind_protect_ptr (pop_down_menu, menu); |
af89e871 | 1304 | |
e547b051 | 1305 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1306 | { |
1307 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1308 | two. show_help_echo uses this to detect popup menus. */ | |
1309 | popup_activated_flag = 1; | |
1310 | /* Process events that apply to the menu. */ | |
1311 | popup_widget_loop (1, menu); | |
1312 | } | |
488dd4c4 | 1313 | |
af89e871 | 1314 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1315 | |
488dd4c4 JD |
1316 | /* Must reset this manually because the button release event is not passed |
1317 | to Emacs event loop. */ | |
aad3612f | 1318 | FRAME_DISPLAY_INFO (f)->grabbed = 0; |
488dd4c4 JD |
1319 | } |
1320 | ||
1321 | #else /* not USE_GTK */ | |
18686d47 | 1322 | |
8ed87156 | 1323 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1324 | library. |
1325 | ||
1326 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1327 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1328 | |
88766961 RS |
1329 | For menu bars, we use numbers starting at 0, counted in |
1330 | next_menubar_widget_id. */ | |
8ed87156 | 1331 | LWLIB_ID widget_id_tick; |
165e1749 | 1332 | |
4dedbfe0 | 1333 | static void |
ebd15611 | 1334 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1335 | { |
7d652d97 | 1336 | menu_item_selection = client_data; |
4dedbfe0 PR |
1337 | } |
1338 | ||
af89e871 JD |
1339 | /* ARG is the LWLIB ID of the dialog box, represented |
1340 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1341 | ||
27e498e6 | 1342 | static void |
ebd15611 | 1343 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1344 | { |
1345 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1346 | | XINT (XCDR (arg))); | |
1347 | ||
4d7e6e51 | 1348 | block_input (); |
af89e871 | 1349 | lw_destroy_all_widgets (id); |
4d7e6e51 | 1350 | unblock_input (); |
af89e871 | 1351 | popup_activated_flag = 0; |
af89e871 JD |
1352 | } |
1353 | ||
488dd4c4 JD |
1354 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1355 | menu pops down. | |
1356 | menu_item_selection will be set to the selection. */ | |
1357 | static void | |
a10c8269 | 1358 | create_and_show_popup_menu (struct frame *f, widget_value *first_wv, |
6bbe6da8 | 1359 | int x, int y, bool for_click) |
488dd4c4 JD |
1360 | { |
1361 | int i; | |
1362 | Arg av[2]; | |
1363 | int ac = 0; | |
65969f63 CY |
1364 | XEvent dummy; |
1365 | XButtonPressedEvent *event = &(dummy.xbutton); | |
488dd4c4 JD |
1366 | LWLIB_ID menu_id; |
1367 | Widget menu; | |
488dd4c4 | 1368 | |
65b02bb9 | 1369 | eassert (FRAME_X_P (f)); |
62af879c | 1370 | |
3928f2b6 JD |
1371 | #ifdef USE_LUCID |
1372 | apply_systemfont_to_menu (f, f->output_data.x->widget); | |
1373 | #endif | |
1374 | ||
488dd4c4 JD |
1375 | menu_id = widget_id_tick++; |
1376 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1377 | f->output_data.x->widget, 1, 0, | |
1378 | popup_selection_callback, | |
1379 | popup_deactivate_callback, | |
1380 | menu_highlight_callback); | |
1381 | ||
65969f63 CY |
1382 | event->type = ButtonPress; |
1383 | event->serial = 0; | |
1384 | event->send_event = 0; | |
1385 | event->display = FRAME_X_DISPLAY (f); | |
1386 | event->time = CurrentTime; | |
aad3612f | 1387 | event->root = FRAME_DISPLAY_INFO (f)->root_window; |
65969f63 CY |
1388 | event->window = event->subwindow = event->root; |
1389 | event->x = x; | |
1390 | event->y = y; | |
488dd4c4 JD |
1391 | |
1392 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1393 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1394 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 | 1395 | |
65969f63 CY |
1396 | event->x_root = x; |
1397 | event->y_root = y; | |
488dd4c4 | 1398 | |
65969f63 CY |
1399 | event->state = 0; |
1400 | event->button = 0; | |
488dd4c4 | 1401 | for (i = 0; i < 5; i++) |
aad3612f | 1402 | if (FRAME_DISPLAY_INFO (f)->grabbed & (1 << i)) |
65969f63 | 1403 | event->button = i; |
488dd4c4 JD |
1404 | |
1405 | /* Don't allow any geometry request from the user. */ | |
1406 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1407 | XtSetValues (menu, av, ac); | |
1408 | ||
1409 | /* Display the menu. */ | |
65969f63 | 1410 | lw_popup_menu (menu, &dummy); |
488dd4c4 | 1411 | popup_activated_flag = 1; |
98a20c65 | 1412 | x_activate_timeout_atimer (); |
59cfb104 | 1413 | |
af89e871 JD |
1414 | { |
1415 | int fact = 4 * sizeof (LWLIB_ID); | |
d311d28c | 1416 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
af89e871 JD |
1417 | record_unwind_protect (pop_down_menu, |
1418 | Fcons (make_number (menu_id >> (fact)), | |
1419 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1420 | |
af89e871 | 1421 | /* Process events that apply to the menu. */ |
aad3612f | 1422 | popup_get_selection (0, FRAME_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1423 | |
af89e871 JD |
1424 | unbind_to (specpdl_count, Qnil); |
1425 | } | |
488dd4c4 JD |
1426 | } |
1427 | ||
1428 | #endif /* not USE_GTK */ | |
1429 | ||
27e498e6 PE |
1430 | static void |
1431 | cleanup_widget_value_tree (void *arg) | |
ba24cea2 | 1432 | { |
27e498e6 | 1433 | free_menubar_widget_value_tree (arg); |
ba24cea2 YM |
1434 | } |
1435 | ||
ef7417fd | 1436 | Lisp_Object |
cfd794af DA |
1437 | x_menu_show (struct frame *f, int x, int y, int menuflags, |
1438 | Lisp_Object title, const char **error_name) | |
18686d47 | 1439 | { |
78589e07 | 1440 | int i; |
78589e07 | 1441 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 | 1442 | widget_value **submenu_stack |
38182d90 | 1443 | = alloca (menu_items_used * sizeof *submenu_stack); |
101bb4a5 | 1444 | Lisp_Object *subprefix_stack |
38182d90 | 1445 | = alloca (menu_items_used * sizeof *subprefix_stack); |
101bb4a5 | 1446 | int submenu_depth = 0; |
4e8d3549 | 1447 | |
78c8278d RS |
1448 | int first_pane; |
1449 | ||
9898bd0e | 1450 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 1451 | |
65b02bb9 | 1452 | eassert (FRAME_X_P (f)); |
62af879c | 1453 | |
d4323972 | 1454 | *error_name = NULL; |
78589e07 | 1455 | |
742f715d KH |
1456 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1457 | { | |
d4323972 | 1458 | *error_name = "Empty menu"; |
742f715d KH |
1459 | return Qnil; |
1460 | } | |
63c414df | 1461 | |
f0177f86 EZ |
1462 | block_input (); |
1463 | ||
78589e07 RS |
1464 | /* Create a tree of widget_value objects |
1465 | representing the panes and their items. */ | |
5668fb88 | 1466 | wv = make_widget_value ("menu", NULL, true, Qnil); |
3427a3db | 1467 | wv->button_type = BUTTON_TYPE_NONE; |
78589e07 | 1468 | first_wv = wv; |
78c8278d | 1469 | first_pane = 1; |
177c0ea7 | 1470 | |
78589e07 RS |
1471 | /* Loop over all panes and items, filling in the tree. */ |
1472 | i = 0; | |
1473 | while (i < menu_items_used) | |
1474 | { | |
28be1ada | 1475 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1476 | { |
1477 | submenu_stack[submenu_depth++] = save_wv; | |
1478 | save_wv = prev_wv; | |
1479 | prev_wv = 0; | |
78c8278d | 1480 | first_pane = 1; |
101bb4a5 RS |
1481 | i++; |
1482 | } | |
28be1ada | 1483 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1484 | { |
1485 | prev_wv = save_wv; | |
1486 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1487 | first_pane = 0; |
101bb4a5 RS |
1488 | i++; |
1489 | } | |
28be1ada | 1490 | else if (EQ (AREF (menu_items, i), Qt) |
101bb4a5 RS |
1491 | && submenu_depth != 0) |
1492 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1493 | /* Ignore a nil in the item list. |
1494 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1495 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 1496 | i += 1; |
28be1ada | 1497 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1498 | { |
1499 | /* Create a new pane. */ | |
1500 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 1501 | const char *pane_string; |
177c0ea7 | 1502 | |
4c329aa8 GM |
1503 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1504 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1505 | |
703dc2a8 | 1506 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1507 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1508 | { | |
8af9fa55 | 1509 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1510 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1511 | } |
703dc2a8 | 1512 | #endif |
78589e07 | 1513 | pane_string = (NILP (pane_name) |
51b59d79 | 1514 | ? "" : SSDATA (pane_name)); |
101bb4a5 | 1515 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1516 | under the top-level menu. */ |
1517 | if (menu_items_n_panes == 1) | |
1518 | pane_string = ""; | |
1519 | ||
1520 | /* If the pane has a meaningful name, | |
1521 | make the pane a top-level menu item | |
1522 | with its items as a submenu beneath it. */ | |
cfd794af | 1523 | if (!(menuflags & MENU_KEYMAPS) && strcmp (pane_string, "")) |
78589e07 | 1524 | { |
5668fb88 | 1525 | wv = make_widget_value (pane_string, NULL, true, Qnil); |
78589e07 RS |
1526 | if (save_wv) |
1527 | save_wv->next = wv; | |
1528 | else | |
1529 | first_wv->contents = wv; | |
cfd794af | 1530 | if ((menuflags & MENU_KEYMAPS) && !NILP (prefix)) |
78589e07 | 1531 | wv->name++; |
3427a3db | 1532 | wv->button_type = BUTTON_TYPE_NONE; |
78c8278d RS |
1533 | save_wv = wv; |
1534 | prev_wv = 0; | |
78589e07 | 1535 | } |
78c8278d RS |
1536 | else if (first_pane) |
1537 | { | |
1538 | save_wv = wv; | |
1539 | prev_wv = 0; | |
1540 | } | |
1541 | first_pane = 0; | |
78589e07 RS |
1542 | i += MENU_ITEMS_PANE_LENGTH; |
1543 | } | |
1544 | else | |
1545 | { | |
1546 | /* Create a new item within current pane. */ | |
9cd50434 | 1547 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1548 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1549 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1550 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1551 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1552 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1553 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1554 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1555 | |
703dc2a8 | 1556 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1557 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1558 | { |
646f98ec | 1559 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1560 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1561 | } |
177c0ea7 | 1562 | |
3427a3db | 1563 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1564 | { |
646f98ec | 1565 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1566 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1567 | } |
1568 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1569 | |
5668fb88 DA |
1570 | wv = make_widget_value (SSDATA (item_name), NULL, !NILP (enable), |
1571 | STRINGP (help) ? help : Qnil); | |
177c0ea7 | 1572 | if (prev_wv) |
78589e07 | 1573 | prev_wv->next = wv; |
177c0ea7 | 1574 | else |
78589e07 | 1575 | save_wv->contents = wv; |
78589e07 | 1576 | if (!NILP (descrip)) |
51b59d79 | 1577 | wv->key = SSDATA (descrip); |
a352a815 RS |
1578 | /* If this item has a null value, |
1579 | make the call_data null so that it won't display a box | |
1580 | when the mouse is on it. */ | |
4939150c | 1581 | wv->call_data = !NILP (def) ? aref_addr (menu_items, i) : 0; |
3427a3db GM |
1582 | |
1583 | if (NILP (type)) | |
1584 | wv->button_type = BUTTON_TYPE_NONE; | |
1585 | else if (EQ (type, QCtoggle)) | |
1586 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1587 | else if (EQ (type, QCradio)) | |
1588 | wv->button_type = BUTTON_TYPE_RADIO; | |
1589 | else | |
1088b922 | 1590 | emacs_abort (); |
3427a3db GM |
1591 | |
1592 | wv->selected = !NILP (selected); | |
cc45fb40 | 1593 | |
78589e07 RS |
1594 | prev_wv = wv; |
1595 | ||
1596 | i += MENU_ITEMS_ITEM_LENGTH; | |
1597 | } | |
1598 | } | |
1599 | ||
c98fcf4b | 1600 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1601 | if (!NILP (title)) |
1602 | { | |
5668fb88 DA |
1603 | widget_value *wv_title; |
1604 | widget_value *wv_sep1 = make_widget_value ("--", NULL, false, Qnil); | |
1605 | widget_value *wv_sep2 = make_widget_value ("--", NULL, false, Qnil); | |
4dedbfe0 | 1606 | |
4dedbfe0 | 1607 | wv_sep2->next = first_wv->contents; |
4dedbfe0 PR |
1608 | wv_sep1->next = wv_sep2; |
1609 | ||
703dc2a8 KH |
1610 | #ifndef HAVE_MULTILINGUAL_MENU |
1611 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1612 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1613 | #endif |
177c0ea7 | 1614 | |
5668fb88 | 1615 | wv_title = make_widget_value (SSDATA (title), NULL, true, Qnil); |
3427a3db | 1616 | wv_title->button_type = BUTTON_TYPE_NONE; |
a9d8395f | 1617 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1618 | first_wv->contents = wv_title; |
1619 | } | |
1620 | ||
78589e07 RS |
1621 | /* No selection has been chosen yet. */ |
1622 | menu_item_selection = 0; | |
1623 | ||
ba24cea2 YM |
1624 | /* Make sure to free the widget_value objects we used to specify the |
1625 | contents even with longjmp. */ | |
27e498e6 | 1626 | record_unwind_protect_ptr (cleanup_widget_value_tree, first_wv); |
ba24cea2 | 1627 | |
488dd4c4 | 1628 | /* Actually create and show the menu until popped down. */ |
cfd794af DA |
1629 | create_and_show_popup_menu (f, first_wv, x, y, |
1630 | menuflags & MENU_FOR_CLICK); | |
18686d47 | 1631 | |
ba24cea2 | 1632 | unbind_to (specpdl_count, Qnil); |
18686d47 | 1633 | |
78589e07 RS |
1634 | /* Find the selected item, and its pane, to return |
1635 | the proper value. */ | |
1636 | if (menu_item_selection != 0) | |
1637 | { | |
c63f6952 | 1638 | Lisp_Object prefix, entry; |
78589e07 | 1639 | |
6bbd7a29 | 1640 | prefix = entry = Qnil; |
78589e07 RS |
1641 | i = 0; |
1642 | while (i < menu_items_used) | |
1643 | { | |
28be1ada | 1644 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1645 | { |
1646 | subprefix_stack[submenu_depth++] = prefix; | |
1647 | prefix = entry; | |
1648 | i++; | |
1649 | } | |
28be1ada | 1650 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1651 | { |
1652 | prefix = subprefix_stack[--submenu_depth]; | |
1653 | i++; | |
1654 | } | |
28be1ada | 1655 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1656 | { |
1657 | prefix | |
28be1ada | 1658 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
1659 | i += MENU_ITEMS_PANE_LENGTH; |
1660 | } | |
d31d42cc RS |
1661 | /* Ignore a nil in the item list. |
1662 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1663 | else if (EQ (AREF (menu_items, i), Qquote)) |
d31d42cc | 1664 | i += 1; |
78589e07 RS |
1665 | else |
1666 | { | |
1667 | entry | |
28be1ada | 1668 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 1669 | if (menu_item_selection == aref_addr (menu_items, i)) |
78589e07 | 1670 | { |
cfd794af | 1671 | if (menuflags & MENU_KEYMAPS) |
78589e07 | 1672 | { |
101bb4a5 RS |
1673 | int j; |
1674 | ||
6c6f1994 | 1675 | entry = list1 (entry); |
78589e07 RS |
1676 | if (!NILP (prefix)) |
1677 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1678 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1679 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1680 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 | 1681 | } |
f0177f86 | 1682 | unblock_input (); |
78589e07 RS |
1683 | return entry; |
1684 | } | |
1685 | i += MENU_ITEMS_ITEM_LENGTH; | |
1686 | } | |
1687 | } | |
1688 | } | |
cfd794af | 1689 | else if (!(menuflags & MENU_FOR_CLICK)) |
f0177f86 EZ |
1690 | { |
1691 | unblock_input (); | |
1692 | /* Make "Cancel" equivalent to C-g. */ | |
1693 | Fsignal (Qquit, Qnil); | |
1694 | } | |
78589e07 | 1695 | |
f0177f86 | 1696 | unblock_input (); |
78589e07 | 1697 | return Qnil; |
18686d47 | 1698 | } |
4dedbfe0 | 1699 | \f |
488dd4c4 JD |
1700 | #ifdef USE_GTK |
1701 | static void | |
971de7fb | 1702 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 1703 | { |
8ac068ac | 1704 | /* Treat the pointer as an integer. There's no problem |
488dd4c4 | 1705 | as long as pointers have enough bits to hold small integers. */ |
d01a7826 | 1706 | if ((intptr_t) client_data != -1) |
7d652d97 | 1707 | menu_item_selection = client_data; |
488dd4c4 JD |
1708 | |
1709 | popup_activated_flag = 0; | |
1710 | } | |
1711 | ||
1712 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1713 | dialog pops down. | |
1714 | menu_item_selection will be set to the selection. */ | |
1715 | static void | |
a10c8269 | 1716 | create_and_show_dialog (struct frame *f, widget_value *first_wv) |
488dd4c4 JD |
1717 | { |
1718 | GtkWidget *menu; | |
1719 | ||
65b02bb9 | 1720 | eassert (FRAME_X_P (f)); |
62af879c | 1721 | |
488dd4c4 JD |
1722 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1723 | G_CALLBACK (dialog_selection_callback), | |
1724 | G_CALLBACK (popup_deactivate_callback), | |
1725 | 0); | |
1726 | ||
1727 | if (menu) | |
1728 | { | |
d311d28c | 1729 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
27e498e6 | 1730 | record_unwind_protect_ptr (pop_down_menu, menu); |
af89e871 | 1731 | |
488dd4c4 JD |
1732 | /* Display the menu. */ |
1733 | gtk_widget_show_all (menu); | |
1734 | ||
1735 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1736 | popup_widget_loop (1, menu); |
177c0ea7 | 1737 | |
af89e871 | 1738 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1739 | } |
1740 | } | |
1741 | ||
1742 | #else /* not USE_GTK */ | |
4dedbfe0 | 1743 | static void |
ebd15611 | 1744 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1745 | { |
4475bec4 | 1746 | /* Treat the pointer as an integer. There's no problem |
01d5e892 | 1747 | as long as pointers have enough bits to hold small integers. */ |
4475bec4 | 1748 | if ((intptr_t) client_data != -1) |
7d652d97 | 1749 | menu_item_selection = client_data; |
488dd4c4 | 1750 | |
4d7e6e51 | 1751 | block_input (); |
4dedbfe0 | 1752 | lw_destroy_all_widgets (id); |
4d7e6e51 | 1753 | unblock_input (); |
9572375b | 1754 | popup_activated_flag = 0; |
4dedbfe0 | 1755 | } |
18686d47 | 1756 | |
488dd4c4 | 1757 | |
488dd4c4 JD |
1758 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1759 | dialog pops down. | |
1760 | menu_item_selection will be set to the selection. */ | |
1761 | static void | |
a10c8269 | 1762 | create_and_show_dialog (struct frame *f, widget_value *first_wv) |
488dd4c4 JD |
1763 | { |
1764 | LWLIB_ID dialog_id; | |
1765 | ||
65b02bb9 | 1766 | eassert (FRAME_X_P (f)); |
62af879c | 1767 | |
488dd4c4 | 1768 | dialog_id = widget_id_tick++; |
52214050 | 1769 | #ifdef USE_LUCID |
1ecb2d3f JD |
1770 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1771 | #endif | |
488dd4c4 JD |
1772 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1773 | f->output_data.x->widget, 1, 0, | |
1774 | dialog_selection_callback, 0, 0); | |
1775 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1776 | /* Display the dialog box. */ |
1777 | lw_pop_up_all_widgets (dialog_id); | |
1778 | popup_activated_flag = 1; | |
98a20c65 | 1779 | x_activate_timeout_atimer (); |
488dd4c4 JD |
1780 | |
1781 | /* Process events that apply to the dialog box. | |
1782 | Also handle timers. */ | |
1783 | { | |
d311d28c | 1784 | ptrdiff_t count = SPECPDL_INDEX (); |
488dd4c4 | 1785 | int fact = 4 * sizeof (LWLIB_ID); |
177c0ea7 | 1786 | |
488dd4c4 | 1787 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 1788 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
1789 | Fcons (make_number (dialog_id >> (fact)), |
1790 | make_number (dialog_id & ~(-1 << (fact))))); | |
1791 | ||
aad3612f | 1792 | popup_get_selection (0, FRAME_DISPLAY_INFO (f), dialog_id, 1); |
488dd4c4 JD |
1793 | |
1794 | unbind_to (count, Qnil); | |
1795 | } | |
1796 | } | |
1797 | ||
1798 | #endif /* not USE_GTK */ | |
1799 | ||
42ca4633 | 1800 | static const char * button_names [] = { |
165e1749 FP |
1801 | "button1", "button2", "button3", "button4", "button5", |
1802 | "button6", "button7", "button8", "button9", "button10" }; | |
1803 | ||
1804 | static Lisp_Object | |
f1b44793 DA |
1805 | x_dialog_show (struct frame *f, Lisp_Object title, |
1806 | Lisp_Object header, const char **error_name) | |
165e1749 FP |
1807 | { |
1808 | int i, nb_buttons=0; | |
80670155 | 1809 | char dialog_name[6]; |
165e1749 | 1810 | |
faa935b6 | 1811 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 1812 | |
fcaa7665 RS |
1813 | /* Number of elements seen so far, before boundary. */ |
1814 | int left_count = 0; | |
1815 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
1816 | int boundary_seen = 0; | |
1817 | ||
9898bd0e | 1818 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 1819 | |
65b02bb9 | 1820 | eassert (FRAME_X_P (f)); |
62af879c | 1821 | |
6a040d6a | 1822 | *error_name = NULL; |
165e1749 | 1823 | |
80670155 RS |
1824 | if (menu_items_n_panes > 1) |
1825 | { | |
6a040d6a | 1826 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
1827 | return Qnil; |
1828 | } | |
1829 | ||
165e1749 FP |
1830 | /* Create a tree of widget_value objects |
1831 | representing the text label and buttons. */ | |
1832 | { | |
f1b44793 | 1833 | Lisp_Object pane_name; |
6d1f7fee | 1834 | const char *pane_string; |
28be1ada | 1835 | pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME); |
165e1749 | 1836 | pane_string = (NILP (pane_name) |
51b59d79 | 1837 | ? "" : SSDATA (pane_name)); |
5668fb88 | 1838 | prev_wv = make_widget_value ("message", (char *) pane_string, true, Qnil); |
165e1749 | 1839 | first_wv = prev_wv; |
177c0ea7 | 1840 | |
165e1749 FP |
1841 | /* Loop over all panes and items, filling in the tree. */ |
1842 | i = MENU_ITEMS_PANE_LENGTH; | |
1843 | while (i < menu_items_used) | |
1844 | { | |
177c0ea7 | 1845 | |
165e1749 FP |
1846 | /* Create a new item within current pane. */ |
1847 | Lisp_Object item_name, enable, descrip; | |
28be1ada DA |
1848 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1849 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
165e1749 | 1850 | descrip |
28be1ada | 1851 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
177c0ea7 | 1852 | |
80670155 RS |
1853 | if (NILP (item_name)) |
1854 | { | |
1855 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 1856 | *error_name = "Submenu in dialog items"; |
80670155 RS |
1857 | return Qnil; |
1858 | } | |
fcaa7665 RS |
1859 | if (EQ (item_name, Qquote)) |
1860 | { | |
1861 | /* This is the boundary between left-side elts | |
1862 | and right-side elts. Stop incrementing right_count. */ | |
1863 | boundary_seen = 1; | |
1864 | i++; | |
1865 | continue; | |
1866 | } | |
86e71abf | 1867 | if (nb_buttons >= 9) |
80670155 RS |
1868 | { |
1869 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 1870 | *error_name = "Too many dialog items"; |
80670155 RS |
1871 | return Qnil; |
1872 | } | |
1873 | ||
5668fb88 DA |
1874 | wv = make_widget_value (button_names[nb_buttons], |
1875 | SSDATA (item_name), | |
1876 | !NILP (enable), Qnil); | |
165e1749 | 1877 | prev_wv->next = wv; |
165e1749 | 1878 | if (!NILP (descrip)) |
51b59d79 | 1879 | wv->key = SSDATA (descrip); |
4939150c | 1880 | wv->call_data = aref_addr (menu_items, i); |
165e1749 FP |
1881 | prev_wv = wv; |
1882 | ||
fcaa7665 RS |
1883 | if (! boundary_seen) |
1884 | left_count++; | |
1885 | ||
165e1749 FP |
1886 | nb_buttons++; |
1887 | i += MENU_ITEMS_ITEM_LENGTH; | |
1888 | } | |
1889 | ||
fcaa7665 RS |
1890 | /* If the boundary was not specified, |
1891 | by default put half on the left and half on the right. */ | |
1892 | if (! boundary_seen) | |
1893 | left_count = nb_buttons - nb_buttons / 2; | |
1894 | ||
5668fb88 | 1895 | wv = make_widget_value (dialog_name, NULL, false, Qnil); |
6a040d6a NR |
1896 | |
1897 | /* Frame title: 'Q' = Question, 'I' = Information. | |
1898 | Can also have 'E' = Error if, one day, we want | |
1899 | a popup for errors. */ | |
5e617bc2 | 1900 | if (NILP (header)) |
6a040d6a NR |
1901 | dialog_name[0] = 'Q'; |
1902 | else | |
1903 | dialog_name[0] = 'I'; | |
1904 | ||
80670155 RS |
1905 | /* Dialog boxes use a really stupid name encoding |
1906 | which specifies how many buttons to use | |
6a040d6a | 1907 | and how many buttons are on the right. */ |
80670155 RS |
1908 | dialog_name[1] = '0' + nb_buttons; |
1909 | dialog_name[2] = 'B'; | |
1910 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
1911 | /* Number of buttons to put on the right. */ |
1912 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 1913 | dialog_name[5] = 0; |
165e1749 FP |
1914 | wv->contents = first_wv; |
1915 | first_wv = wv; | |
165e1749 FP |
1916 | } |
1917 | ||
165e1749 FP |
1918 | /* No selection has been chosen yet. */ |
1919 | menu_item_selection = 0; | |
1920 | ||
ba24cea2 YM |
1921 | /* Make sure to free the widget_value objects we used to specify the |
1922 | contents even with longjmp. */ | |
27e498e6 | 1923 | record_unwind_protect_ptr (cleanup_widget_value_tree, first_wv); |
ba24cea2 | 1924 | |
488dd4c4 JD |
1925 | /* Actually create and show the dialog. */ |
1926 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 1927 | |
ba24cea2 | 1928 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1929 | |
488dd4c4 JD |
1930 | /* Find the selected item, and its pane, to return |
1931 | the proper value. */ | |
165e1749 FP |
1932 | if (menu_item_selection != 0) |
1933 | { | |
165e1749 FP |
1934 | i = 0; |
1935 | while (i < menu_items_used) | |
1936 | { | |
1937 | Lisp_Object entry; | |
1938 | ||
28be1ada | 1939 | if (EQ (AREF (menu_items, i), Qt)) |
f1b44793 | 1940 | i += MENU_ITEMS_PANE_LENGTH; |
28be1ada | 1941 | else if (EQ (AREF (menu_items, i), Qquote)) |
85996cfb GM |
1942 | { |
1943 | /* This is the boundary between left-side elts and | |
1944 | right-side elts. */ | |
1945 | ++i; | |
1946 | } | |
165e1749 FP |
1947 | else |
1948 | { | |
1949 | entry | |
28be1ada | 1950 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 1951 | if (menu_item_selection == aref_addr (menu_items, i)) |
f1b44793 | 1952 | return entry; |
165e1749 FP |
1953 | i += MENU_ITEMS_ITEM_LENGTH; |
1954 | } | |
1955 | } | |
1956 | } | |
9f6fcdc5 JD |
1957 | else |
1958 | /* Make "Cancel" equivalent to C-g. */ | |
1959 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
1960 | |
1961 | return Qnil; | |
1962 | } | |
ba461919 | 1963 | |
0afa0aab EZ |
1964 | Lisp_Object |
1965 | xw_popup_dialog (struct frame *f, Lisp_Object header, Lisp_Object contents) | |
1966 | { | |
1967 | Lisp_Object title; | |
1968 | const char *error_name; | |
1969 | Lisp_Object selection; | |
1970 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); | |
1971 | ||
1972 | check_window_system (f); | |
1973 | ||
1974 | /* Decode the dialog items from what was specified. */ | |
1975 | title = Fcar (contents); | |
1976 | CHECK_STRING (title); | |
1977 | record_unwind_protect_void (unuse_menu_items); | |
1978 | ||
1979 | if (NILP (Fcar (Fcdr (contents)))) | |
1980 | /* No buttons specified, add an "Ok" button so users can pop down | |
1981 | the dialog. Also, the lesstif/motif version crashes if there are | |
1982 | no buttons. */ | |
1983 | contents = list2 (title, Fcons (build_string ("Ok"), Qt)); | |
1984 | ||
1985 | list_of_panes (list1 (contents)); | |
1986 | ||
1987 | /* Display them in a dialog box. */ | |
1988 | block_input (); | |
f1b44793 | 1989 | selection = x_dialog_show (f, title, header, &error_name); |
0afa0aab EZ |
1990 | unblock_input (); |
1991 | ||
1992 | unbind_to (specpdl_count, Qnil); | |
1993 | discard_menu_items (); | |
1994 | ||
1995 | if (error_name) error ("%s", error_name); | |
1996 | return selection; | |
1997 | } | |
1998 | ||
488dd4c4 | 1999 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2000 | |
3e703b25 GM |
2001 | /* The frame of the last activated non-toolkit menu bar. |
2002 | Used to generate menu help events. */ | |
2003 | ||
2004 | static struct frame *menu_help_frame; | |
2005 | ||
2006 | ||
62145073 GM |
2007 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2008 | ||
2009 | PANE is the pane number, and ITEM is the menu item number in | |
2010 | the menu (currently not used). | |
177c0ea7 | 2011 | |
62145073 GM |
2012 | This cannot be done with generating a HELP_EVENT because |
2013 | XMenuActivate contains a loop that doesn't let Emacs process | |
2014 | keyboard events. */ | |
3e703b25 GM |
2015 | |
2016 | static void | |
eb18f6cc | 2017 | menu_help_callback (char const *help_string, int pane, int item) |
3e703b25 | 2018 | { |
62145073 GM |
2019 | Lisp_Object *first_item; |
2020 | Lisp_Object pane_name; | |
2021 | Lisp_Object menu_object; | |
177c0ea7 | 2022 | |
91f2d272 | 2023 | first_item = XVECTOR (menu_items)->contents; |
62145073 GM |
2024 | if (EQ (first_item[0], Qt)) |
2025 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2026 | else if (EQ (first_item[0], Qquote)) | |
cfd794af | 2027 | /* This shouldn't happen, see x_menu_show. */ |
ce33e8eb | 2028 | pane_name = empty_unibyte_string; |
62145073 GM |
2029 | else |
2030 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2031 | |
62145073 | 2032 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
6c6f1994 | 2033 | menu_object = list3 (Qmenu_item, pane_name, make_number (pane)); |
ba461919 | 2034 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
f868cd8a | 2035 | Qnil, menu_object, make_number (item)); |
3e703b25 | 2036 | } |
177c0ea7 | 2037 | |
27e498e6 | 2038 | static void |
0521f580 | 2039 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2040 | { |
a10c8269 | 2041 | struct frame *f = XSAVE_POINTER (arg, 0); |
3346c1d0 | 2042 | XMenu *menu = XSAVE_POINTER (arg, 1); |
af89e871 | 2043 | |
4d7e6e51 | 2044 | block_input (); |
af89e871 | 2045 | #ifndef MSDOS |
a130b901 JD |
2046 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2047 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2048 | #endif |
a130b901 | 2049 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2050 | |
2051 | #ifdef HAVE_X_WINDOWS | |
2052 | /* Assume the mouse has moved out of the X window. | |
2053 | If it has actually moved in, we will get an EnterNotify. */ | |
aad3612f | 2054 | x_mouse_leave (FRAME_DISPLAY_INFO (f)); |
af89e871 JD |
2055 | |
2056 | /* State that no mouse buttons are now held. | |
2057 | (The oldXMenu code doesn't track this info for us.) | |
2058 | That is not necessarily true, but the fiction leads to reasonable | |
2059 | results, and it is a pain to ask which are actually held now. */ | |
aad3612f | 2060 | FRAME_DISPLAY_INFO (f)->grabbed = 0; |
af89e871 JD |
2061 | |
2062 | #endif /* HAVE_X_WINDOWS */ | |
2063 | ||
4d7e6e51 | 2064 | unblock_input (); |
af89e871 JD |
2065 | } |
2066 | ||
3e703b25 | 2067 | |
1fb99a3a | 2068 | Lisp_Object |
cfd794af DA |
2069 | x_menu_show (struct frame *f, int x, int y, int menuflags, |
2070 | Lisp_Object title, const char **error_name) | |
dcfdbac7 | 2071 | { |
177c0ea7 | 2072 | Window root; |
78589e07 RS |
2073 | XMenu *menu; |
2074 | int pane, selidx, lpane, status; | |
2075 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2076 | char *datap; |
2077 | int ulx, uly, width, height; | |
2078 | int dispwidth, dispheight; | |
453a4f1b | 2079 | int i, j, lines, maxlines; |
4e8d3549 | 2080 | int maxwidth; |
78589e07 RS |
2081 | int dummy_int; |
2082 | unsigned int dummy_uint; | |
d311d28c | 2083 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2084 | |
65b02bb9 | 2085 | eassert (FRAME_X_P (f) || FRAME_MSDOS_P (f)); |
62af879c | 2086 | |
bf501fb9 | 2087 | *error_name = 0; |
78589e07 RS |
2088 | if (menu_items_n_panes == 0) |
2089 | return Qnil; | |
088831f6 | 2090 | |
742f715d KH |
2091 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2092 | { | |
bf501fb9 | 2093 | *error_name = "Empty menu"; |
742f715d KH |
2094 | return Qnil; |
2095 | } | |
2096 | ||
f0177f86 EZ |
2097 | block_input (); |
2098 | ||
78589e07 | 2099 | /* Figure out which root window F is on. */ |
92280f67 | 2100 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2101 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2102 | &dummy_uint, &dummy_uint); | |
18686d47 | 2103 | |
78589e07 | 2104 | /* Make the menu on that window. */ |
92280f67 | 2105 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2106 | if (menu == NULL) |
dcfdbac7 | 2107 | { |
bf501fb9 | 2108 | *error_name = "Can't create menu"; |
f0177f86 | 2109 | unblock_input (); |
78589e07 | 2110 | return Qnil; |
dcfdbac7 | 2111 | } |
78589e07 | 2112 | |
d130d129 RS |
2113 | /* Don't GC while we prepare and show the menu, |
2114 | because we give the oldxmenu library pointers to the | |
2115 | contents of strings. */ | |
2116 | inhibit_garbage_collection (); | |
2117 | ||
87485d6f | 2118 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2119 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2120 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2121 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2122 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2123 | |
2124 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2125 | x += f->left_pos; |
2126 | y += f->top_pos; | |
177c0ea7 | 2127 | |
78589e07 | 2128 | /* Create all the necessary panes and their items. */ |
eef9bc79 PE |
2129 | maxwidth = maxlines = lines = i = 0; |
2130 | lpane = XM_FAILURE; | |
78589e07 | 2131 | while (i < menu_items_used) |
dcfdbac7 | 2132 | { |
28be1ada | 2133 | if (EQ (AREF (menu_items, i), Qt)) |
dcfdbac7 | 2134 | { |
78589e07 RS |
2135 | /* Create a new pane. */ |
2136 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2137 | const char *pane_string; |
78589e07 | 2138 | |
453a4f1b JD |
2139 | maxlines = max (maxlines, lines); |
2140 | lines = 0; | |
28be1ada DA |
2141 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
2142 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
78589e07 | 2143 | pane_string = (NILP (pane_name) |
51b59d79 | 2144 | ? "" : SSDATA (pane_name)); |
cfd794af | 2145 | if ((menuflags & MENU_KEYMAPS) && !NILP (prefix)) |
78589e07 RS |
2146 | pane_string++; |
2147 | ||
92280f67 | 2148 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2149 | if (lpane == XM_FAILURE) |
2150 | { | |
92280f67 | 2151 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2152 | *error_name = "Can't create pane"; |
f0177f86 | 2153 | unblock_input (); |
78589e07 RS |
2154 | return Qnil; |
2155 | } | |
2156 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2157 | |
2158 | /* Find the width of the widest item in this pane. */ | |
4e8d3549 RS |
2159 | j = i; |
2160 | while (j < menu_items_used) | |
2161 | { | |
2162 | Lisp_Object item; | |
28be1ada | 2163 | item = AREF (menu_items, j); |
4e8d3549 RS |
2164 | if (EQ (item, Qt)) |
2165 | break; | |
2166 | if (NILP (item)) | |
2167 | { | |
2168 | j++; | |
2169 | continue; | |
2170 | } | |
d5db4077 | 2171 | width = SBYTES (item); |
4e8d3549 RS |
2172 | if (width > maxwidth) |
2173 | maxwidth = width; | |
2174 | ||
2175 | j += MENU_ITEMS_ITEM_LENGTH; | |
2176 | } | |
dcfdbac7 | 2177 | } |
fcaa7665 RS |
2178 | /* Ignore a nil in the item list. |
2179 | It's meaningful only for dialog boxes. */ | |
28be1ada | 2180 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 2181 | i += 1; |
78589e07 | 2182 | else |
dcfdbac7 | 2183 | { |
78589e07 | 2184 | /* Create a new item within current pane. */ |
3e703b25 | 2185 | Lisp_Object item_name, enable, descrip, help; |
eb18f6cc PE |
2186 | char *item_data; |
2187 | char const *help_string; | |
78589e07 | 2188 | |
28be1ada DA |
2189 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2190 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
78589e07 | 2191 | descrip |
28be1ada DA |
2192 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
2193 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
eb18f6cc | 2194 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
177c0ea7 | 2195 | |
78589e07 | 2196 | if (!NILP (descrip)) |
4e8d3549 | 2197 | { |
4e8d3549 RS |
2198 | /* if alloca is fast, use that to make the space, |
2199 | to reduce gc needs. */ | |
38182d90 | 2200 | item_data = alloca (maxwidth + SBYTES (descrip) + 1); |
eb18f6cc | 2201 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); |
d5db4077 | 2202 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2203 | item_data[j] = ' '; |
eb18f6cc | 2204 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2205 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2206 | } |
2207 | else | |
eb18f6cc | 2208 | item_data = SSDATA (item_name); |
78589e07 | 2209 | |
eef9bc79 PE |
2210 | if (lpane == XM_FAILURE |
2211 | || (XMenuAddSelection (FRAME_X_DISPLAY (f), | |
2212 | menu, lpane, 0, item_data, | |
2213 | !NILP (enable), help_string) | |
2214 | == XM_FAILURE)) | |
dcfdbac7 | 2215 | { |
92280f67 | 2216 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2217 | *error_name = "Can't add selection to menu"; |
f0177f86 | 2218 | unblock_input (); |
78589e07 | 2219 | return Qnil; |
dcfdbac7 | 2220 | } |
78589e07 | 2221 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2222 | lines++; |
dcfdbac7 JB |
2223 | } |
2224 | } | |
4e8d3549 | 2225 | |
453a4f1b JD |
2226 | maxlines = max (maxlines, lines); |
2227 | ||
78589e07 | 2228 | /* All set and ready to fly. */ |
92280f67 | 2229 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2230 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2231 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2232 | x = min (x, dispwidth); |
2233 | y = min (y, dispheight); | |
2234 | x = max (x, 1); | |
2235 | y = max (y, 1); | |
92280f67 | 2236 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2237 | &ulx, &uly, &width, &height); |
2238 | if (ulx+width > dispwidth) | |
2239 | { | |
78589e07 | 2240 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2241 | ulx = dispwidth - width; |
2242 | } | |
2243 | if (uly+height > dispheight) | |
2244 | { | |
78589e07 | 2245 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2246 | uly = dispheight - height; |
2247 | } | |
2de7397f EZ |
2248 | #ifndef HAVE_X_WINDOWS |
2249 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2250 | { | |
2251 | /* Move the menu away of the echo area, to avoid overwriting the | |
2252 | menu with help echo messages or vice versa. */ | |
2253 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2254 | { | |
2255 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2256 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2257 | } | |
2258 | else | |
2259 | { | |
2260 | y--; | |
2261 | uly--; | |
2262 | } | |
2263 | } | |
2264 | #endif | |
78589e07 RS |
2265 | if (ulx < 0) x -= ulx; |
2266 | if (uly < 0) y -= uly; | |
121e4555 | 2267 | |
cfd794af | 2268 | if (!(menuflags & MENU_FOR_CLICK)) |
453a4f1b JD |
2269 | { |
2270 | /* If position was not given by a mouse click, adjust so upper left | |
2271 | corner of the menu as a whole ends up at given coordinates. This | |
2272 | is what x-popup-menu says in its documentation. */ | |
2273 | x += width/2; | |
2274 | y += 1.5*height/(maxlines+2); | |
2275 | } | |
2276 | ||
121e4555 | 2277 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2278 | XMenuSetFreeze (menu, TRUE); |
2279 | pane = selidx = 0; | |
3e703b25 | 2280 | |
c3438661 JD |
2281 | #ifndef MSDOS |
2282 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2283 | #endif | |
59cfb104 | 2284 | |
1396ac86 | 2285 | record_unwind_protect (pop_down_menu, make_save_ptr_ptr (f, menu)); |
c3438661 | 2286 | |
3e703b25 GM |
2287 | /* Help display under X won't work because XMenuActivate contains |
2288 | a loop that doesn't give Emacs a chance to process it. */ | |
2289 | menu_help_frame = f; | |
92280f67 | 2290 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2291 | x, y, ButtonReleaseMask, &datap, |
2292 | menu_help_callback); | |
eef9bc79 | 2293 | entry = pane_prefix = Qnil; |
a352a815 | 2294 | |
dcfdbac7 JB |
2295 | switch (status) |
2296 | { | |
2297 | case XM_SUCCESS: | |
2298 | #ifdef XDEBUG | |
2299 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2300 | #endif | |
fa6d54d9 | 2301 | |
78589e07 RS |
2302 | /* Find the item number SELIDX in pane number PANE. */ |
2303 | i = 0; | |
2304 | while (i < menu_items_used) | |
fa6d54d9 | 2305 | { |
28be1ada | 2306 | if (EQ (AREF (menu_items, i), Qt)) |
088831f6 | 2307 | { |
78589e07 RS |
2308 | if (pane == 0) |
2309 | pane_prefix | |
28be1ada | 2310 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
2311 | pane--; |
2312 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2313 | } |
78589e07 | 2314 | else |
ab6ee1a0 | 2315 | { |
78589e07 | 2316 | if (pane == -1) |
ab6ee1a0 | 2317 | { |
78589e07 | 2318 | if (selidx == 0) |
ab6ee1a0 | 2319 | { |
78589e07 | 2320 | entry |
28be1ada | 2321 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
cfd794af | 2322 | if (menuflags & MENU_KEYMAPS) |
ab6ee1a0 | 2323 | { |
6c6f1994 | 2324 | entry = list1 (entry); |
78589e07 RS |
2325 | if (!NILP (pane_prefix)) |
2326 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2327 | } |
78589e07 | 2328 | break; |
ab6ee1a0 | 2329 | } |
78589e07 | 2330 | selidx--; |
ab6ee1a0 | 2331 | } |
78589e07 | 2332 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2333 | } |
2334 | } | |
78589e07 | 2335 | break; |
dcfdbac7 | 2336 | |
78589e07 | 2337 | case XM_FAILURE: |
bf501fb9 | 2338 | *error_name = "Can't activate menu"; |
78589e07 | 2339 | case XM_IA_SELECT: |
9f6fcdc5 | 2340 | break; |
78589e07 | 2341 | case XM_NO_SELECT: |
be6ed24a RS |
2342 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2343 | the menu was invoked with a mouse event as POSITION). */ | |
cfd794af | 2344 | if (!(menuflags & MENU_FOR_CLICK)) |
f0177f86 EZ |
2345 | { |
2346 | unblock_input (); | |
2347 | Fsignal (Qquit, Qnil); | |
2348 | } | |
78589e07 | 2349 | break; |
dcfdbac7 | 2350 | } |
a5285df3 | 2351 | |
f0177f86 | 2352 | unblock_input (); |
af89e871 | 2353 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2354 | |
78589e07 | 2355 | return entry; |
dcfdbac7 | 2356 | } |
4dedbfe0 | 2357 | |
78589e07 | 2358 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c | 2359 | |
d009ae66 EZ |
2360 | #ifndef MSDOS |
2361 | /* Detect if a dialog or menu has been posted. MSDOS has its own | |
2362 | implementation on msdos.c. */ | |
b79b8a1c | 2363 | |
077288cf | 2364 | int ATTRIBUTE_CONST |
971de7fb | 2365 | popup_activated (void) |
b79b8a1c CY |
2366 | { |
2367 | return popup_activated_flag; | |
2368 | } | |
d009ae66 | 2369 | #endif /* not MSDOS */ |
e3135734 CY |
2370 | |
2371 | /* The following is used by delayed window autoselection. */ | |
2372 | ||
2373 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2374 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2375 | (void) |
e3135734 | 2376 | { |
e3135734 | 2377 | return (popup_activated ()) ? Qt : Qnil; |
e3135734 | 2378 | } |
088831f6 | 2379 | \f |
dfcf069d | 2380 | void |
971de7fb | 2381 | syms_of_xmenu (void) |
dcfdbac7 | 2382 | { |
cd3520a4 | 2383 | DEFSYM (Qdebug_on_next_call, "debug-on-next-call"); |
0314aacb | 2384 | |
8ed87156 | 2385 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2386 | widget_id_tick = (1<<16); |
88766961 | 2387 | next_menubar_widget_id = 1; |
8ed87156 RS |
2388 | #endif |
2389 | ||
508fb067 | 2390 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2391 | |
2392 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2393 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2394 | Ffset (intern_c_string ("accelerate-menu"), |
2395 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe | 2396 | #endif |
dcfdbac7 | 2397 | } |