Commit | Line | Data |
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dcfdbac7 | 1 | /* X Communication module for terminals which understand the X protocol. |
0b5538bd | 2 | Copyright (C) 1986, 1988, 1993, 1994, 1996, 1999, 2000, 2001, 2002, 2003, |
114f9c96 | 3 | 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
dcfdbac7 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
dcfdbac7 | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
dcfdbac7 JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
dcfdbac7 | 19 | |
c9e60620 | 20 | /* X pop-up deck-of-cards menu facility for GNU Emacs. |
dcfdbac7 JB |
21 | * |
22 | * Written by Jon Arnold and Roman Budzianowski | |
23 | * Mods and rewrite by Robert Krawitz | |
24 | * | |
25 | */ | |
26 | ||
18686d47 RS |
27 | /* Modified by Fred Pierresteguy on December 93 |
28 | to make the popup menus and menubar use the Xt. */ | |
29 | ||
78589e07 RS |
30 | /* Rewritten for clarity and GC protection by rms in Feb 94. */ |
31 | ||
68c45bf0 PE |
32 | #include <config.h> |
33 | ||
8faf6057 | 34 | #if 0 /* Why was this included? And without syssignal.h? */ |
dcfdbac7 JB |
35 | /* On 4.3 this loses if it comes after xterm.h. */ |
36 | #include <signal.h> | |
8faf6057 | 37 | #endif |
565620a5 RS |
38 | |
39 | #include <stdio.h> | |
d7306fe6 | 40 | #include <setjmp.h> |
7ee72033 | 41 | |
dcfdbac7 | 42 | #include "lisp.h" |
02067692 | 43 | #include "keyboard.h" |
5ee707b8 | 44 | #include "keymap.h" |
7708e9bd | 45 | #include "frame.h" |
428a555e | 46 | #include "termhooks.h" |
dcfdbac7 | 47 | #include "window.h" |
9ac0d9e0 | 48 | #include "blockinput.h" |
88766961 | 49 | #include "buffer.h" |
cc45fb40 SM |
50 | #include "charset.h" |
51 | #include "coding.h" | |
c3438661 | 52 | #include "sysselect.h" |
dcfdbac7 | 53 | |
eeee3112 RS |
54 | #ifdef MSDOS |
55 | #include "msdos.h" | |
56 | #endif | |
57 | ||
87485d6f | 58 | #ifdef HAVE_X_WINDOWS |
dcfdbac7 JB |
59 | /* This may include sys/types.h, and that somehow loses |
60 | if this is not done before the other system files. */ | |
61 | #include "xterm.h" | |
87485d6f | 62 | #endif |
dcfdbac7 JB |
63 | |
64 | /* Load sys/types.h if not already loaded. | |
65 | In some systems loading it twice is suicidal. */ | |
66 | #ifndef makedev | |
67 | #include <sys/types.h> | |
68 | #endif | |
69 | ||
70 | #include "dispextern.h" | |
71 | ||
87485d6f | 72 | #ifdef HAVE_X_WINDOWS |
646f98ec DL |
73 | /* Defining HAVE_MULTILINGUAL_MENU would mean that the toolkit menu |
74 | code accepts the Emacs internal encoding. */ | |
703dc2a8 | 75 | #undef HAVE_MULTILINGUAL_MENU |
18686d47 | 76 | #ifdef USE_X_TOOLKIT |
991786dd | 77 | #include "widget.h" |
18686d47 RS |
78 | #include <X11/Xlib.h> |
79 | #include <X11/IntrinsicP.h> | |
80 | #include <X11/CoreP.h> | |
81 | #include <X11/StringDefs.h> | |
60f312e2 | 82 | #include <X11/Shell.h> |
5ee80bd3 | 83 | #ifdef USE_LUCID |
99852628 JD |
84 | #include "xsettings.h" |
85 | #include "../lwlib/xlwmenu.h" | |
5262c5c7 CY |
86 | #ifdef HAVE_XAW3D |
87 | #include <X11/Xaw3d/Paned.h> | |
88 | #else /* !HAVE_XAW3D */ | |
1d1c1567 | 89 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 90 | #endif /* HAVE_XAW3D */ |
5ee80bd3 | 91 | #endif /* USE_LUCID */ |
a352a815 | 92 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 | 93 | #ifndef USE_GTK |
a352a815 | 94 | #include "../oldXMenu/XMenu.h" |
488dd4c4 | 95 | #endif |
a352a815 RS |
96 | #endif /* not USE_X_TOOLKIT */ |
97 | #endif /* HAVE_X_WINDOWS */ | |
18686d47 | 98 | |
e7c9048f AS |
99 | #ifdef USE_GTK |
100 | #include "gtkutil.h" | |
101 | #endif | |
102 | ||
103 | #include "menu.h" | |
104 | ||
dcfdbac7 JB |
105 | #ifndef TRUE |
106 | #define TRUE 1 | |
107 | #define FALSE 0 | |
78589e07 | 108 | #endif /* no TRUE */ |
dcfdbac7 | 109 | |
0314aacb RS |
110 | Lisp_Object Qdebug_on_next_call; |
111 | ||
04bab72c | 112 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
f57e2426 J |
113 | static Lisp_Object xdialog_show (FRAME_PTR, int, Lisp_Object, Lisp_Object, |
114 | char **); | |
3427a3db GM |
115 | #endif |
116 | ||
f57e2426 | 117 | static int update_frame_menubar (struct frame *); |
78589e07 | 118 | \f |
4dedbfe0 | 119 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 120 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 121 | static int popup_activated_flag; |
4dedbfe0 | 122 | |
88766961 | 123 | static int next_menubar_widget_id; |
745c34fb | 124 | |
d142dd3d | 125 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
f57e2426 J |
126 | extern widget_value *xmalloc_widget_value (void); |
127 | extern widget_value *digest_single_submenu (int, int, int); | |
d142dd3d CY |
128 | #endif |
129 | ||
bd3a4da2 | 130 | \f |
88766961 | 131 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 132 | |
7556890b | 133 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 134 | |
88766961 | 135 | static struct frame * |
ebd15611 | 136 | menubar_id_to_frame (LWLIB_ID id) |
88766961 RS |
137 | { |
138 | Lisp_Object tail, frame; | |
139 | FRAME_PTR f; | |
bd3a4da2 | 140 | |
8e50cc2d | 141 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
bd3a4da2 | 142 | { |
8e713be6 | 143 | frame = XCAR (tail); |
8e50cc2d | 144 | if (!FRAMEP (frame)) |
88766961 RS |
145 | continue; |
146 | f = XFRAME (frame); | |
2d764c78 | 147 | if (!FRAME_WINDOW_P (f)) |
88766961 | 148 | continue; |
7556890b | 149 | if (f->output_data.x->id == id) |
88766961 | 150 | return f; |
bd3a4da2 | 151 | } |
88766961 | 152 | return 0; |
bd3a4da2 | 153 | } |
88766961 RS |
154 | |
155 | #endif | |
4dedbfe0 | 156 | \f |
a894238b JD |
157 | #ifdef HAVE_X_WINDOWS |
158 | /* Return the mouse position in *X and *Y. The coordinates are window | |
159 | relative for the edit window in frame F. | |
160 | This is for Fx_popup_menu. The mouse_position_hook can not | |
161 | be used for X, as it returns window relative coordinates | |
162 | for the window where the mouse is in. This could be the menu bar, | |
163 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
164 | sure it is the edit window. */ | |
ef7417fd | 165 | void |
971de7fb | 166 | mouse_position_for_popup (FRAME_PTR f, int *x, int *y) |
a894238b JD |
167 | { |
168 | Window root, dummy_window; | |
169 | int dummy; | |
170 | ||
62af879c KL |
171 | if (! FRAME_X_P (f)) |
172 | abort (); | |
173 | ||
a894238b | 174 | BLOCK_INPUT; |
177c0ea7 | 175 | |
a894238b JD |
176 | XQueryPointer (FRAME_X_DISPLAY (f), |
177 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
178 | ||
179 | /* The root window which contains the pointer. */ | |
180 | &root, | |
181 | ||
182 | /* Window pointer is on, not used */ | |
183 | &dummy_window, | |
184 | ||
185 | /* The position on that root window. */ | |
186 | x, y, | |
187 | ||
188 | /* x/y in dummy_window coordinates, not used. */ | |
189 | &dummy, &dummy, | |
190 | ||
191 | /* Modifier keys and pointer buttons, about which | |
192 | we don't care. */ | |
193 | (unsigned int *) &dummy); | |
194 | ||
195 | UNBLOCK_INPUT; | |
196 | ||
197 | /* xmenu_show expects window coordinates, not root window | |
198 | coordinates. Translate. */ | |
9882535b KS |
199 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
200 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
201 | } |
202 | ||
203 | #endif /* HAVE_X_WINDOWS */ | |
204 | ||
1e659e4c RS |
205 | #ifdef HAVE_MENUS |
206 | ||
6a040d6a | 207 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 208 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
209 | POSITION specifies which frame to use. |
210 | This is normally a mouse button event or a window or frame. | |
211 | If POSITION is t, it means to use the frame the mouse is on. | |
212 | The dialog box appears in the middle of the specified frame. | |
213 | ||
214 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 215 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
216 | Each ITEM is a cons cell (STRING . VALUE). |
217 | The return value is VALUE from the chosen item. | |
218 | ||
219 | An ITEM may also be just a string--that makes a nonselectable item. | |
220 | An ITEM may also be nil--that means to put all preceding items | |
221 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
222 | \(By default, approximately half appear on each side.) |
223 | ||
6a040d6a NR |
224 | If HEADER is non-nil, the frame title for the box is "Information", |
225 | otherwise it is "Question". | |
226 | ||
c05fe5d5 LT |
227 | If the user gets rid of the dialog box without making a valid choice, |
228 | for instance using the window manager, then this produces a quit and | |
229 | `x-popup-dialog' does not return. */) | |
5842a27b | 230 | (Lisp_Object position, Lisp_Object contents, Lisp_Object header) |
165e1749 | 231 | { |
cc45fb40 | 232 | FRAME_PTR f = NULL; |
99fe880d | 233 | Lisp_Object window; |
165e1749 FP |
234 | |
235 | check_x (); | |
236 | ||
99fe880d | 237 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 238 | if (EQ (position, Qt) |
2b06561a DL |
239 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
240 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 241 | { |
b14db4d7 | 242 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 243 | /* Use the mouse's current position. */ |
b404828f | 244 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 245 | Lisp_Object bar_window; |
cc45fb40 | 246 | enum scroll_bar_part part; |
99fe880d RS |
247 | unsigned long time; |
248 | Lisp_Object x, y; | |
165e1749 | 249 | |
46b657e2 | 250 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 251 | |
99fe880d | 252 | if (new_f != 0) |
a39f0477 | 253 | XSETFRAME (window, new_f); |
99fe880d RS |
254 | else |
255 | window = selected_window; | |
b14db4d7 | 256 | #endif |
88d4f6ec | 257 | window = selected_window; |
99fe880d RS |
258 | } |
259 | else if (CONSP (position)) | |
260 | { | |
261 | Lisp_Object tem; | |
262 | tem = Fcar (position); | |
b5bb2705 | 263 | if (CONSP (tem)) |
99fe880d | 264 | window = Fcar (Fcdr (position)); |
80670155 RS |
265 | else |
266 | { | |
99fe880d RS |
267 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
268 | window = Fcar (tem); /* POSN_WINDOW (tem) */ | |
165e1749 | 269 | } |
165e1749 | 270 | } |
99fe880d RS |
271 | else if (WINDOWP (position) || FRAMEP (position)) |
272 | window = position; | |
a9be6839 RS |
273 | else |
274 | window = Qnil; | |
165e1749 | 275 | |
99fe880d | 276 | /* Decode where to put the menu. */ |
165e1749 | 277 | |
b5bb2705 | 278 | if (FRAMEP (window)) |
99fe880d | 279 | f = XFRAME (window); |
b5bb2705 | 280 | else if (WINDOWP (window)) |
165e1749 | 281 | { |
b7826503 | 282 | CHECK_LIVE_WINDOW (window); |
99fe880d | 283 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 284 | } |
99fe880d RS |
285 | else |
286 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
287 | but I don't want to make one now. */ | |
b7826503 | 288 | CHECK_WINDOW (window); |
165e1749 | 289 | |
a9e1244d EZ |
290 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
291 | error ("Can not put X dialog on this terminal"); | |
62af879c | 292 | |
5da9fdfa YM |
293 | /* Force a redisplay before showing the dialog. If a frame is created |
294 | just before showing the dialog, its contents may not have been fully | |
295 | drawn, as this depends on timing of events from the X server. Redisplay | |
296 | is not done when a dialog is shown. If redisplay could be done in the | |
297 | X event loop (i.e. the X event loop does not run in a signal handler) | |
298 | this would not be needed. | |
299 | ||
300 | Do this before creating the widget value that points to Lisp | |
301 | string contents, because Fredisplay may GC and relocate them. */ | |
302 | Fredisplay (Qt); | |
303 | ||
488dd4c4 | 304 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
305 | /* Display a menu with these alternatives |
306 | in the middle of frame F. */ | |
307 | { | |
308 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
309 | XSETFRAME (frame, f); |
310 | XSETINT (x, x_pixel_width (f) / 2); | |
311 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
312 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
313 | ||
314 | return Fx_popup_menu (newpos, | |
315 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
316 | } | |
317 | #else | |
318 | { | |
319 | Lisp_Object title; | |
320 | char *error_name; | |
321 | Lisp_Object selection; | |
86fad4ec | 322 | int specpdl_count = SPECPDL_INDEX (); |
165e1749 | 323 | |
99fe880d RS |
324 | /* Decode the dialog items from what was specified. */ |
325 | title = Fcar (contents); | |
b7826503 | 326 | CHECK_STRING (title); |
86fad4ec | 327 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 328 | |
6b61353c KH |
329 | if (NILP (Fcar (Fcdr (contents)))) |
330 | /* No buttons specified, add an "Ok" button so users can pop down | |
331 | the dialog. Also, the lesstif/motif version crashes if there are | |
332 | no buttons. */ | |
333 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 334 | |
99fe880d | 335 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 336 | |
99fe880d RS |
337 | /* Display them in a dialog box. */ |
338 | BLOCK_INPUT; | |
6a040d6a | 339 | selection = xdialog_show (f, 0, title, header, &error_name); |
99fe880d | 340 | UNBLOCK_INPUT; |
165e1749 | 341 | |
86fad4ec | 342 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
343 | discard_menu_items (); |
344 | ||
345 | if (error_name) error (error_name); | |
346 | return selection; | |
347 | } | |
7464b131 | 348 | #endif |
392d3f4b | 349 | } |
c3438661 JD |
350 | |
351 | ||
352 | #ifndef MSDOS | |
353 | ||
b3935289 JD |
354 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
355 | ||
356 | void | |
971de7fb | 357 | x_menu_set_in_use (int in_use) |
b3935289 JD |
358 | { |
359 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 360 | popup_activated_flag = in_use; |
98a20c65 CY |
361 | #ifdef USE_X_TOOLKIT |
362 | if (popup_activated_flag) | |
363 | x_activate_timeout_atimer (); | |
364 | #endif | |
b3935289 JD |
365 | } |
366 | ||
c3438661 JD |
367 | /* Wait for an X event to arrive or for a timer to expire. */ |
368 | ||
b3935289 | 369 | void |
c3438661 JD |
370 | x_menu_wait_for_event (void *data) |
371 | { | |
c3438661 JD |
372 | /* Another way to do this is to register a timer callback, that can be |
373 | done in GTK and Xt. But we have to do it like this when using only X | |
374 | anyway, and with callbacks we would have three variants for timer handling | |
375 | instead of the small ifdefs below. */ | |
376 | ||
377 | while ( | |
378 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 379 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
380 | #elif defined USE_GTK |
381 | ! gtk_events_pending () | |
382 | #else | |
383 | ! XPending ((Display*) data) | |
384 | #endif | |
385 | ) | |
386 | { | |
e90292a9 | 387 | EMACS_TIME next_time = timer_check (1), *ntp; |
c3438661 JD |
388 | long secs = EMACS_SECS (next_time); |
389 | long usecs = EMACS_USECS (next_time); | |
390 | SELECT_TYPE read_fds; | |
391 | struct x_display_info *dpyinfo; | |
392 | int n = 0; | |
393 | ||
394 | FD_ZERO (&read_fds); | |
395 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
396 | { | |
397 | int fd = ConnectionNumber (dpyinfo->display); | |
398 | FD_SET (fd, &read_fds); | |
399 | if (fd > n) n = fd; | |
11814156 | 400 | XFlush (dpyinfo->display); |
c3438661 JD |
401 | } |
402 | ||
e90292a9 JD |
403 | if (secs < 0 && usecs < 0) |
404 | ntp = 0; | |
405 | else | |
406 | ntp = &next_time; | |
c3438661 | 407 | |
e90292a9 | 408 | select (n + 1, &read_fds, (SELECT_TYPE *)0, (SELECT_TYPE *)0, ntp); |
c3438661 JD |
409 | } |
410 | } | |
411 | #endif /* ! MSDOS */ | |
412 | ||
78589e07 | 413 | \f |
488dd4c4 | 414 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 415 | |
f1d1cd24 JD |
416 | #ifdef USE_X_TOOLKIT |
417 | ||
4dedbfe0 | 418 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 419 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
420 | and x-popup-dialog; it is not used for the menu bar. |
421 | ||
2e2b8e22 | 422 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 423 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 424 | |
f02cac82 | 425 | static void |
ebd15611 | 426 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 427 | { |
4dedbfe0 | 428 | XEvent event; |
f02cac82 | 429 | |
8b806a85 JD |
430 | while (popup_activated_flag) |
431 | { | |
c0b0f54b | 432 | if (initial_event) |
8b806a85 JD |
433 | { |
434 | event = *initial_event; | |
435 | initial_event = 0; | |
436 | } | |
437 | else | |
c3438661 JD |
438 | { |
439 | if (do_timers) x_menu_wait_for_event (0); | |
440 | XtAppNextEvent (Xt_app_con, &event); | |
441 | } | |
78589e07 | 442 | |
10624005 | 443 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
444 | And make sure to deactivate for any ButtonRelease, |
445 | even if XtDispatchEvent doesn't do that. */ | |
446 | if (event.type == ButtonRelease | |
447 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
448 | { |
449 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 450 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
451 | Btn1Down seems the only way to convince Motif to |
452 | activate its callbacks; setting the XmNmenuPost | |
453 | isn't working. --marcus@sysc.pdx.edu. */ | |
454 | event.xbutton.button = 1; | |
455 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
456 | key is pressed and the button is released. So reset key state | |
457 | so Motif thinks this is the case. */ | |
458 | event.xbutton.state = 0; | |
c8b5aa3d | 459 | #endif |
10624005 | 460 | } |
33385c6f | 461 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 462 | else if (event.type == KeyPress |
10624005 | 463 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
464 | { |
465 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 466 | |
33385c6f JD |
467 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
468 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 469 | popup_activated_flag = 0; |
8b806a85 | 470 | } |
177c0ea7 | 471 | |
8b806a85 | 472 | x_dispatch_event (&event, event.xany.display); |
aa669def | 473 | } |
78589e07 RS |
474 | } |
475 | ||
12b6af5c | 476 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
477 | doc: /* Start key navigation of the menu bar in FRAME. |
478 | This initially opens the first menu bar item and you can then navigate with the | |
479 | arrow keys, select a menu entry with the return key or cancel with the | |
480 | escape key. If FRAME has no menu bar this function does nothing. | |
481 | ||
482 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 483 | (Lisp_Object frame) |
22badffe JD |
484 | { |
485 | XEvent ev; | |
486 | FRAME_PTR f = check_x_frame (frame); | |
487 | Widget menubar; | |
488 | BLOCK_INPUT; | |
489 | ||
490 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
491 | set_frame_menubar (f, 0, 1); | |
492 | ||
493 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
494 | if (menubar) | |
495 | { | |
496 | Window child; | |
497 | int error_p = 0; | |
498 | ||
499 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
500 | memset (&ev, 0, sizeof ev); | |
501 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
502 | ev.xbutton.window = XtWindow (menubar); | |
503 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
504 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
505 | ev.xbutton.button = Button1; | |
506 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
507 | ev.xbutton.same_screen = True; | |
508 | ||
509 | #ifdef USE_MOTIF | |
510 | { | |
511 | Arg al[2]; | |
512 | WidgetList list; | |
513 | Cardinal nr; | |
514 | XtSetArg (al[0], XtNchildren, &list); | |
515 | XtSetArg (al[1], XtNnumChildren, &nr); | |
516 | XtGetValues (menubar, al, 2); | |
517 | ev.xbutton.window = XtWindow (list[0]); | |
518 | } | |
519 | #endif | |
520 | ||
521 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
522 | /* From-window, to-window. */ | |
523 | ev.xbutton.window, ev.xbutton.root, | |
524 | ||
525 | /* From-position, to-position. */ | |
526 | ev.xbutton.x, ev.xbutton.y, | |
527 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
528 | ||
529 | /* Child of win. */ | |
530 | &child); | |
531 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
532 | x_uncatch_errors (); | |
533 | ||
534 | if (! error_p) | |
535 | { | |
536 | ev.type = ButtonPress; | |
537 | ev.xbutton.state = 0; | |
538 | ||
539 | XtDispatchEvent (&ev); | |
540 | ev.xbutton.type = ButtonRelease; | |
541 | ev.xbutton.state = Button1Mask; | |
542 | XtDispatchEvent (&ev); | |
543 | } | |
544 | } | |
545 | ||
546 | UNBLOCK_INPUT; | |
57d671b4 AS |
547 | |
548 | return Qnil; | |
22badffe | 549 | } |
488dd4c4 JD |
550 | #endif /* USE_X_TOOLKIT */ |
551 | ||
22badffe | 552 | |
488dd4c4 | 553 | #ifdef USE_GTK |
12b6af5c | 554 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
555 | doc: /* Start key navigation of the menu bar in FRAME. |
556 | This initially opens the first menu bar item and you can then navigate with the | |
557 | arrow keys, select a menu entry with the return key or cancel with the | |
558 | escape key. If FRAME has no menu bar this function does nothing. | |
559 | ||
560 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 561 | (Lisp_Object frame) |
22badffe JD |
562 | { |
563 | GtkWidget *menubar; | |
8630721e CY |
564 | FRAME_PTR f; |
565 | ||
718aeeb8 CY |
566 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
567 | BLOCK_INPUT. */ | |
568 | ||
22badffe | 569 | BLOCK_INPUT; |
8630721e | 570 | f = check_x_frame (frame); |
22badffe JD |
571 | |
572 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
573 | set_frame_menubar (f, 0, 1); | |
574 | ||
575 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
576 | if (menubar) | |
577 | { | |
578 | /* Activate the first menu. */ | |
579 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
580 | ||
32d46135 JD |
581 | if (children) |
582 | { | |
583 | g_signal_emit_by_name (children->data, "activate_item"); | |
584 | popup_activated_flag = 1; | |
585 | g_list_free (children); | |
586 | } | |
22badffe JD |
587 | } |
588 | UNBLOCK_INPUT; | |
589 | ||
590 | return Qnil; | |
591 | } | |
592 | ||
488dd4c4 JD |
593 | /* Loop util popup_activated_flag is set to zero in a callback. |
594 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 595 | |
488dd4c4 | 596 | static void |
971de7fb | 597 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
598 | { |
599 | ++popup_activated_flag; | |
600 | ||
601 | /* Process events in the Gtk event loop until done. */ | |
602 | while (popup_activated_flag) | |
603 | { | |
c3438661 | 604 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
605 | gtk_main_iteration (); |
606 | } | |
607 | } | |
608 | #endif | |
609 | ||
88766961 RS |
610 | /* Activate the menu bar of frame F. |
611 | This is called from keyboard.c when it gets the | |
3b8f9651 | 612 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
613 | |
614 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 615 | that was saved in saved_menu_event. |
88766961 RS |
616 | That makes the toolkit do its thing. |
617 | ||
618 | But first we recompute the menu bar contents (the whole tree). | |
619 | ||
620 | The reason for saving the button event until here, instead of | |
621 | passing it to the toolkit right away, is that we can safely | |
622 | execute Lisp code. */ | |
177c0ea7 | 623 | |
dfcf069d | 624 | void |
971de7fb | 625 | x_activate_menubar (FRAME_PTR f) |
88766961 | 626 | { |
62af879c KL |
627 | if (! FRAME_X_P (f)) |
628 | abort (); | |
629 | ||
ac78b144 | 630 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
631 | return; |
632 | ||
177c0ea7 | 633 | #ifdef USE_GTK |
6b61353c KH |
634 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
635 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
636 | return; |
637 | #endif | |
177c0ea7 | 638 | |
a9be6839 | 639 | set_frame_menubar (f, 0, 1); |
88766961 | 640 | BLOCK_INPUT; |
cf28cebc | 641 | popup_activated_flag = 1; |
488dd4c4 JD |
642 | #ifdef USE_GTK |
643 | XPutBackEvent (f->output_data.x->display_info->display, | |
644 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 645 | #else |
86fad4ec | 646 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 647 | #endif |
88766961 | 648 | UNBLOCK_INPUT; |
177c0ea7 | 649 | |
88766961 | 650 | /* Ignore this if we get it a second time. */ |
ac78b144 | 651 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
652 | } |
653 | ||
4dedbfe0 PR |
654 | /* This callback is invoked when the user selects a menubar cascade |
655 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 656 | |
488dd4c4 | 657 | #ifndef USE_GTK |
78589e07 | 658 | static void |
ebd15611 | 659 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 660 | { |
4dedbfe0 | 661 | popup_activated_flag = 1; |
98a20c65 CY |
662 | #ifdef USE_X_TOOLKIT |
663 | x_activate_timeout_atimer (); | |
664 | #endif | |
7555d825 | 665 | } |
488dd4c4 | 666 | #endif |
7555d825 GM |
667 | |
668 | /* This callback is invoked when a dialog or menu is finished being | |
669 | used and has been unposted. */ | |
670 | ||
488dd4c4 JD |
671 | #ifdef USE_GTK |
672 | static void | |
971de7fb | 673 | popup_deactivate_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
674 | { |
675 | popup_activated_flag = 0; | |
676 | } | |
677 | #else | |
7555d825 | 678 | static void |
ebd15611 | 679 | popup_deactivate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
7555d825 | 680 | { |
7555d825 | 681 | popup_activated_flag = 0; |
78589e07 | 682 | } |
488dd4c4 | 683 | #endif |
78589e07 | 684 | |
850df50b | 685 | |
488dd4c4 JD |
686 | /* Function that finds the frame for WIDGET and shows the HELP text |
687 | for that widget. | |
688 | F is the frame if known, or NULL if not known. */ | |
689 | static void | |
971de7fb | 690 | show_help_event (FRAME_PTR f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 691 | { |
488dd4c4 | 692 | Lisp_Object frame; |
850df50b | 693 | |
850df50b | 694 | if (f) |
9cd50434 GM |
695 | { |
696 | XSETFRAME (frame, f); | |
697 | kbd_buffer_store_help_event (frame, help); | |
698 | } | |
850df50b GM |
699 | else |
700 | { | |
6b61353c | 701 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 702 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 703 | widget. See which frame that is. */ |
488dd4c4 | 704 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
705 | Lisp_Object tail; |
706 | ||
8e50cc2d | 707 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
708 | { |
709 | frame = XCAR (tail); | |
8e50cc2d | 710 | if (FRAMEP (frame) |
850df50b GM |
711 | && (f = XFRAME (frame), |
712 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
713 | break; | |
714 | } | |
6b61353c | 715 | #endif |
9cd50434 GM |
716 | show_help_echo (help, Qnil, Qnil, Qnil, 1); |
717 | } | |
850df50b GM |
718 | } |
719 | ||
488dd4c4 JD |
720 | /* Callback called when menu items are highlighted/unhighlighted |
721 | while moving the mouse over them. WIDGET is the menu bar or menu | |
722 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
723 | the data structure for the menu item, or null in case of | |
724 | unhighlighting. */ | |
4dedbfe0 | 725 | |
488dd4c4 JD |
726 | #ifdef USE_GTK |
727 | void | |
971de7fb | 728 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
729 | { |
730 | xg_menu_item_cb_data *cb_data; | |
731 | Lisp_Object help; | |
177c0ea7 | 732 | |
488dd4c4 JD |
733 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
734 | XG_ITEM_DATA); | |
735 | if (! cb_data) return; | |
736 | ||
737 | help = call_data ? cb_data->help : Qnil; | |
738 | ||
739 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
740 | Don't show help for them, they won't appear before the | |
741 | popup is popped down. */ | |
742 | if (popup_activated_flag <= 1) | |
743 | show_help_event (cb_data->cl_data->f, widget, help); | |
744 | } | |
745 | #else | |
746 | void | |
ebd15611 | 747 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 JD |
748 | { |
749 | struct frame *f; | |
750 | Lisp_Object help; | |
751 | ||
752 | widget_value *wv = (widget_value *) call_data; | |
753 | ||
754 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 755 | |
488dd4c4 JD |
756 | /* Determine the frame for the help event. */ |
757 | f = menubar_id_to_frame (id); | |
758 | ||
759 | show_help_event (f, widget, help); | |
760 | } | |
761 | #endif | |
762 | ||
488dd4c4 JD |
763 | #ifdef USE_GTK |
764 | /* Gtk calls callbacks just because we tell it what item should be | |
765 | selected in a radio group. If this variable is set to a non-zero | |
766 | value, we are creating menus and don't want callbacks right now. | |
767 | */ | |
768 | static int xg_crazy_callback_abort; | |
769 | ||
770 | /* This callback is called from the menu bar pulldown menu | |
771 | when the user makes a selection. | |
772 | Figure out what the user chose | |
773 | and put the appropriate events into the keyboard buffer. */ | |
774 | static void | |
971de7fb | 775 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
776 | { |
777 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
778 | ||
779 | if (xg_crazy_callback_abort) | |
780 | return; | |
781 | ||
782 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
783 | return; | |
784 | ||
b79c8219 JD |
785 | /* For a group of radio buttons, GTK calls the selection callback first |
786 | for the item that was active before the selection and then for the one that | |
787 | is active after the selection. For C-h k this means we get the help on | |
788 | the deselected item and then the selected item is executed. Prevent that | |
789 | by ignoring the non-active item. */ | |
790 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
791 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
792 | return; | |
793 | ||
81f09877 JD |
794 | /* When a menu is popped down, X generates a focus event (i.e. focus |
795 | goes back to the frame below the menu). Since GTK buffers events, | |
796 | we force it out here before the menu selection event. Otherwise | |
797 | sit-for will exit at once if the focus event follows the menu selection | |
798 | event. */ | |
799 | ||
800 | BLOCK_INPUT; | |
801 | while (gtk_events_pending ()) | |
802 | gtk_main_iteration (); | |
803 | UNBLOCK_INPUT; | |
804 | ||
488dd4c4 JD |
805 | find_and_call_menu_selection (cb_data->cl_data->f, |
806 | cb_data->cl_data->menu_bar_items_used, | |
807 | cb_data->cl_data->menu_bar_vector, | |
808 | cb_data->call_data); | |
809 | } | |
810 | ||
811 | #else /* not USE_GTK */ | |
812 | ||
813 | /* This callback is called from the menu bar pulldown menu | |
814 | when the user makes a selection. | |
815 | Figure out what the user chose | |
816 | and put the appropriate events into the keyboard buffer. */ | |
817 | static void | |
ebd15611 | 818 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 JD |
819 | { |
820 | FRAME_PTR f; | |
821 | ||
822 | f = menubar_id_to_frame (id); | |
823 | if (!f) | |
824 | return; | |
825 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
826 | f->menu_bar_vector, client_data); | |
827 | } | |
828 | #endif /* not USE_GTK */ | |
f61a541b GM |
829 | \f |
830 | /* Recompute all the widgets of frame F, when the menu bar has been | |
831 | changed. Value is non-zero if widgets were updated. */ | |
832 | ||
833 | static int | |
971de7fb | 834 | update_frame_menubar (FRAME_PTR f) |
18686d47 | 835 | { |
488dd4c4 JD |
836 | #ifdef USE_GTK |
837 | return xg_update_frame_menubar (f); | |
838 | #else | |
62af879c | 839 | struct x_output *x; |
cffa74ea | 840 | int columns, rows; |
177c0ea7 | 841 | |
62af879c KL |
842 | if (! FRAME_X_P (f)) |
843 | abort (); | |
844 | ||
845 | x = f->output_data.x; | |
846 | ||
f61a541b GM |
847 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
848 | return 0; | |
18686d47 RS |
849 | |
850 | BLOCK_INPUT; | |
f61a541b GM |
851 | /* Save the size of the frame because the pane widget doesn't accept |
852 | to resize itself. So force it. */ | |
9882535b KS |
853 | columns = FRAME_COLS (f); |
854 | rows = FRAME_LINES (f); | |
cffa74ea | 855 | |
f61a541b GM |
856 | /* Do the voodoo which means "I'm changing lots of things, don't try |
857 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 858 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 859 | |
f61a541b GM |
860 | /* The order in which children are managed is the top to bottom |
861 | order in which they are displayed in the paned window. First, | |
862 | remove the text-area widget. */ | |
18686d47 RS |
863 | XtUnmanageChild (x->edit_widget); |
864 | ||
f61a541b GM |
865 | /* Remove the menubar that is there now, and put up the menubar that |
866 | should be there. */ | |
867 | XtManageChild (x->menubar_widget); | |
868 | XtMapWidget (x->menubar_widget); | |
869 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 870 | |
c98fcf4b | 871 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 872 | XtManageChild (x->edit_widget); |
4dedbfe0 | 873 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
874 | |
875 | /* Force the pane widget to resize itself with the right values. */ | |
876 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
18686d47 | 877 | UNBLOCK_INPUT; |
488dd4c4 | 878 | #endif |
f61a541b | 879 | return 1; |
18686d47 RS |
880 | } |
881 | ||
99852628 | 882 | #ifdef USE_LUCID |
1ecb2d3f | 883 | static void |
ebd15611 | 884 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
885 | { |
886 | const char *fn = xsettings_get_system_normal_font (); | |
887 | if (fn) | |
888 | { | |
889 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
890 | if (db) | |
891 | XrmPutStringResource (&db, "*dialog.faceName", fn); | |
892 | } | |
893 | } | |
894 | ||
99852628 | 895 | static void |
ebd15611 | 896 | apply_systemfont_to_menu (Widget w) |
99852628 JD |
897 | { |
898 | const char *fn = xsettings_get_system_normal_font (); | |
899 | int defflt; | |
900 | ||
901 | if (!fn) return; | |
902 | ||
903 | if (XtIsShell (w)) /* popup menu */ | |
904 | { | |
1ecb2d3f | 905 | Widget *childs = NULL; |
99852628 | 906 | |
1ecb2d3f | 907 | XtVaGetValues (w, XtNchildren, &childs, NULL); |
5ba5ec85 | 908 | if (*childs) w = *childs; |
99852628 JD |
909 | } |
910 | ||
911 | /* Only use system font if the default is used for the menu. */ | |
912 | XtVaGetValues (w, XtNdefaultFace, &defflt, NULL); | |
913 | if (defflt) | |
914 | XtVaSetValues (w, XtNfaceName, fn, NULL); | |
915 | } | |
916 | #endif | |
917 | ||
4bcdbab1 KH |
918 | /* Set the contents of the menubar widgets of frame F. |
919 | The argument FIRST_TIME is currently ignored; | |
920 | it is set the first time this is called, from initialize_frame_menubar. */ | |
921 | ||
18686d47 | 922 | void |
971de7fb | 923 | set_frame_menubar (FRAME_PTR f, int first_time, int deep_p) |
18686d47 | 924 | { |
62af879c | 925 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
926 | #ifdef USE_X_TOOLKIT |
927 | LWLIB_ID id; | |
928 | #endif | |
faa935b6 | 929 | Lisp_Object items; |
4d19cb8e | 930 | widget_value *wv, *first_wv, *prev_wv = 0; |
1806714a | 931 | int i, last_i = 0; |
ced89c24 | 932 | int *submenu_start, *submenu_end; |
37dc84ff | 933 | int *submenu_top_level_items, *submenu_n_panes; |
cc45fb40 | 934 | |
62af879c KL |
935 | if (! FRAME_X_P (f)) |
936 | abort (); | |
937 | ||
938 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 939 | |
bfc524bc RS |
940 | XSETFRAME (Vmenu_updating_frame, f); |
941 | ||
488dd4c4 | 942 | #ifdef USE_X_TOOLKIT |
7556890b RS |
943 | if (f->output_data.x->id == 0) |
944 | f->output_data.x->id = next_menubar_widget_id++; | |
945 | id = f->output_data.x->id; | |
488dd4c4 | 946 | #endif |
177c0ea7 | 947 | |
88766961 RS |
948 | if (! menubar_widget) |
949 | deep_p = 1; | |
a9be6839 RS |
950 | /* Make the first call for any given frame always go deep. */ |
951 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
952 | { |
953 | deep_p = 1; | |
a9be6839 RS |
954 | f->output_data.x->saved_menu_event = (XEvent*)xmalloc (sizeof (XEvent)); |
955 | f->output_data.x->saved_menu_event->type = 0; | |
745c34fb | 956 | } |
18686d47 | 957 | |
6b61353c KH |
958 | #ifdef USE_GTK |
959 | /* If we have detached menus, we must update deep so detached menus | |
960 | also gets updated. */ | |
961 | deep_p = deep_p || xg_have_tear_offs (); | |
962 | #endif | |
963 | ||
88766961 | 964 | if (deep_p) |
18686d47 | 965 | { |
88766961 RS |
966 | /* Make a widget-value tree representing the entire menu trees. */ |
967 | ||
968 | struct buffer *prev = current_buffer; | |
969 | Lisp_Object buffer; | |
aed13378 | 970 | int specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
971 | int previous_menu_items_used = f->menu_bar_items_used; |
972 | Lisp_Object *previous_items | |
973 | = (Lisp_Object *) alloca (previous_menu_items_used | |
974 | * sizeof (Lisp_Object)); | |
975 | ||
0b1cf399 RS |
976 | /* If we are making a new widget, its contents are empty, |
977 | do always reinitialize them. */ | |
978 | if (! menubar_widget) | |
979 | previous_menu_items_used = 0; | |
980 | ||
88766961 RS |
981 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
982 | specbind (Qinhibit_quit, Qt); | |
983 | /* Don't let the debugger step into this code | |
984 | because it is not reentrant. */ | |
985 | specbind (Qdebug_on_next_call, Qnil); | |
986 | ||
89f2614d | 987 | record_unwind_save_match_data (); |
88766961 RS |
988 | if (NILP (Voverriding_local_map_menu_flag)) |
989 | { | |
990 | specbind (Qoverriding_terminal_local_map, Qnil); | |
991 | specbind (Qoverriding_local_map, Qnil); | |
992 | } | |
18686d47 | 993 | |
88766961 | 994 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 995 | |
88766961 | 996 | /* Run the Lucid hook. */ |
950eaee7 | 997 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 998 | |
88766961 RS |
999 | /* If it has changed current-menubar from previous value, |
1000 | really recompute the menubar from the value. */ | |
1001 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
1002 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 1003 | safe_run_hooks (Qmenu_bar_update_hook); |
88766961 | 1004 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
18686d47 | 1005 | |
88766961 | 1006 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1007 | |
88766961 | 1008 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 1009 | if (previous_menu_items_used) |
72af86bd AS |
1010 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
1011 | previous_menu_items_used * sizeof (Lisp_Object)); | |
8d8a3494 | 1012 | |
ced89c24 RS |
1013 | /* Fill in menu_items with the current menu bar contents. |
1014 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1015 | save_menu_items (); |
1016 | ||
88766961 | 1017 | menu_items = f->menu_bar_vector; |
86c04183 | 1018 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
ced89c24 RS |
1019 | submenu_start = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); |
1020 | submenu_end = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
37dc84ff | 1021 | submenu_n_panes = (int *) alloca (XVECTOR (items)->size * sizeof (int)); |
ced89c24 RS |
1022 | submenu_top_level_items |
1023 | = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
88766961 | 1024 | init_menu_items (); |
f04366cb | 1025 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1026 | { |
1027 | Lisp_Object key, string, maps; | |
1028 | ||
ced89c24 RS |
1029 | last_i = i; |
1030 | ||
88766961 RS |
1031 | key = XVECTOR (items)->contents[i]; |
1032 | string = XVECTOR (items)->contents[i + 1]; | |
1033 | maps = XVECTOR (items)->contents[i + 2]; | |
1034 | if (NILP (string)) | |
1035 | break; | |
1036 | ||
ced89c24 RS |
1037 | submenu_start[i] = menu_items_used; |
1038 | ||
1039 | menu_items_n_panes = 0; | |
1040 | submenu_top_level_items[i] | |
1041 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1042 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1043 | |
1044 | submenu_end[i] = menu_items_used; | |
1045 | } | |
1046 | ||
1047 | finish_menu_items (); | |
1048 | ||
1049 | /* Convert menu_items into widget_value trees | |
1050 | to display the menu. This cannot evaluate Lisp code. */ | |
1051 | ||
1052 | wv = xmalloc_widget_value (); | |
1053 | wv->name = "menubar"; | |
1054 | wv->value = 0; | |
1055 | wv->enabled = 1; | |
1056 | wv->button_type = BUTTON_TYPE_NONE; | |
1057 | wv->help = Qnil; | |
1058 | first_wv = wv; | |
1059 | ||
1060 | for (i = 0; i < last_i; i += 4) | |
1061 | { | |
37dc84ff | 1062 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1063 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1064 | submenu_top_level_items[i]); | |
177c0ea7 | 1065 | if (prev_wv) |
88766961 RS |
1066 | prev_wv->next = wv; |
1067 | else | |
1068 | first_wv->contents = wv; | |
1069 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1070 | wv->enabled = 1; | |
3427a3db | 1071 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1072 | prev_wv = wv; |
1073 | } | |
1074 | ||
88766961 | 1075 | set_buffer_internal_1 (prev); |
8d8a3494 | 1076 | |
88766961 RS |
1077 | /* If there has been no change in the Lisp-level contents |
1078 | of the menu bar, skip redisplaying it. Just exit. */ | |
1079 | ||
510d5bf6 | 1080 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1081 | for (i = 0; i < previous_menu_items_used; i++) |
1082 | if (menu_items_used == i | |
99d3fac7 | 1083 | || (!EQ (previous_items[i], XVECTOR (menu_items)->contents[i]))) |
88766961 | 1084 | break; |
62555c22 | 1085 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1086 | { |
510d5bf6 RS |
1087 | /* The menu items have not changed. Don't bother updating |
1088 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1089 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1090 | discard_menu_items (); |
1fc4d463 | 1091 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1092 | return; |
1093 | } | |
1094 | ||
510d5bf6 | 1095 | /* The menu items are different, so store them in the frame. */ |
1fc4d463 RS |
1096 | f->menu_bar_vector = menu_items; |
1097 | f->menu_bar_items_used = menu_items_used; | |
1098 | ||
bf732638 | 1099 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1100 | unbind_to (specpdl_count, Qnil); |
1101 | ||
88766961 RS |
1102 | /* Now GC cannot happen during the lifetime of the widget_value, |
1103 | so it's safe to store data from a Lisp_String. */ | |
1104 | wv = first_wv->contents; | |
f04366cb | 1105 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1106 | { |
1107 | Lisp_Object string; | |
1108 | string = XVECTOR (items)->contents[i + 1]; | |
1109 | if (NILP (string)) | |
2bf436c3 | 1110 | break; |
ec867797 | 1111 | wv->name = (char *) SDATA (string); |
2bf436c3 JD |
1112 | update_submenu_strings (wv->contents); |
1113 | wv = wv->next; | |
88766961 RS |
1114 | } |
1115 | ||
4d19cb8e | 1116 | } |
88766961 RS |
1117 | else |
1118 | { | |
1119 | /* Make a widget-value tree containing | |
1120 | just the top level menu bar strings. */ | |
4d19cb8e | 1121 | |
ced89c24 RS |
1122 | wv = xmalloc_widget_value (); |
1123 | wv->name = "menubar"; | |
1124 | wv->value = 0; | |
1125 | wv->enabled = 1; | |
1126 | wv->button_type = BUTTON_TYPE_NONE; | |
1127 | wv->help = Qnil; | |
1128 | first_wv = wv; | |
1129 | ||
88766961 | 1130 | items = FRAME_MENU_BAR_ITEMS (f); |
f04366cb | 1131 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1132 | { |
1133 | Lisp_Object string; | |
1134 | ||
1135 | string = XVECTOR (items)->contents[i + 1]; | |
1136 | if (NILP (string)) | |
1137 | break; | |
1138 | ||
f7fab165 | 1139 | wv = xmalloc_widget_value (); |
d5db4077 | 1140 | wv->name = (char *) SDATA (string); |
88766961 RS |
1141 | wv->value = 0; |
1142 | wv->enabled = 1; | |
3427a3db | 1143 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1144 | wv->help = Qnil; |
fe8fa62f RS |
1145 | /* This prevents lwlib from assuming this |
1146 | menu item is really supposed to be empty. */ | |
1147 | /* The EMACS_INT cast avoids a warning. | |
1148 | This value just has to be different from small integers. */ | |
1149 | wv->call_data = (void *) (EMACS_INT) (-1); | |
88766961 | 1150 | |
177c0ea7 | 1151 | if (prev_wv) |
88766961 RS |
1152 | prev_wv->next = wv; |
1153 | else | |
1154 | first_wv->contents = wv; | |
1155 | prev_wv = wv; | |
1156 | } | |
62555c22 RS |
1157 | |
1158 | /* Forget what we thought we knew about what is in the | |
1159 | detailed contents of the menu bar menus. | |
1160 | Changing the top level always destroys the contents. */ | |
1161 | f->menu_bar_items_used = 0; | |
88766961 | 1162 | } |
4dedbfe0 | 1163 | |
88766961 | 1164 | /* Create or update the menu bar widget. */ |
aa669def RS |
1165 | |
1166 | BLOCK_INPUT; | |
1167 | ||
488dd4c4 JD |
1168 | #ifdef USE_GTK |
1169 | xg_crazy_callback_abort = 1; | |
1170 | if (menubar_widget) | |
1171 | { | |
6b61353c | 1172 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1173 | menu trees we supply, rather than just the menu bar item names. */ |
1174 | xg_modify_menubar_widgets (menubar_widget, | |
1175 | f, | |
1176 | first_wv, | |
1177 | deep_p, | |
1178 | G_CALLBACK (menubar_selection_callback), | |
1179 | G_CALLBACK (popup_deactivate_callback), | |
1180 | G_CALLBACK (menu_highlight_callback)); | |
1181 | } | |
1182 | else | |
1183 | { | |
1184 | GtkWidget *wvbox = f->output_data.x->vbox_widget; | |
177c0ea7 | 1185 | |
488dd4c4 | 1186 | menubar_widget |
177c0ea7 | 1187 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1188 | G_CALLBACK (menubar_selection_callback), |
1189 | G_CALLBACK (popup_deactivate_callback), | |
1190 | G_CALLBACK (menu_highlight_callback)); | |
1191 | ||
1192 | f->output_data.x->menubar_widget = menubar_widget; | |
1193 | } | |
1194 | ||
177c0ea7 | 1195 | |
488dd4c4 | 1196 | #else /* not USE_GTK */ |
18686d47 | 1197 | if (menubar_widget) |
4dedbfe0 PR |
1198 | { |
1199 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1200 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1201 | |
1202 | /* The third arg is DEEP_P, which says to consider the entire | |
1203 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1204 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1205 | |
c98fcf4b | 1206 | /* Re-enable the edit widget to resize. */ |
7556890b | 1207 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1208 | } |
18686d47 RS |
1209 | else |
1210 | { | |
9f6fcdc5 JD |
1211 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1212 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1213 | ||
177c0ea7 | 1214 | menubar_widget = lw_create_widget ("menubar", "menubar", id, first_wv, |
7556890b | 1215 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1216 | 0, |
1217 | popup_activate_callback, | |
1218 | menubar_selection_callback, | |
850df50b GM |
1219 | popup_deactivate_callback, |
1220 | menu_highlight_callback); | |
7556890b | 1221 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1222 | |
1223 | /* Make menu pop down on C-g. */ | |
1224 | XtOverrideTranslations (menubar_widget, override); | |
52214050 | 1225 | #ifdef USE_LUCID |
99852628 | 1226 | apply_systemfont_to_menu (menubar_widget); |
52214050 | 1227 | #endif |
18686d47 | 1228 | } |
1d1c1567 KH |
1229 | |
1230 | { | |
cf28cebc | 1231 | int menubar_size; |
723f5a07 J |
1232 | if (f->output_data.x->menubar_widget) |
1233 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1234 | ||
cf28cebc | 1235 | menubar_size |
7556890b RS |
1236 | = (f->output_data.x->menubar_widget |
1237 | ? (f->output_data.x->menubar_widget->core.height | |
1238 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1239 | : 0); |
1240 | ||
5c646d5a JD |
1241 | #if 1 /* Experimentally, we now get the right results |
1242 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1243 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1244 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1245 | #ifdef USE_LUCID |
1d1c1567 KH |
1246 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1247 | { | |
1248 | Dimension ibw = 0; | |
7556890b | 1249 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1250 | XtNinternalBorderWidth, &ibw, NULL); |
1251 | menubar_size += ibw; | |
1252 | } | |
5ee80bd3 | 1253 | #endif /* USE_LUCID */ |
5c646d5a | 1254 | #endif /* 1 */ |
1d1c1567 | 1255 | |
7556890b | 1256 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1257 | } |
488dd4c4 | 1258 | #endif /* not USE_GTK */ |
177c0ea7 | 1259 | |
18686d47 | 1260 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1261 | update_frame_menubar (f); |
18686d47 | 1262 | |
488dd4c4 JD |
1263 | #ifdef USE_GTK |
1264 | xg_crazy_callback_abort = 0; | |
1265 | #endif | |
1266 | ||
18686d47 RS |
1267 | UNBLOCK_INPUT; |
1268 | } | |
85f487d1 | 1269 | |
8e6208c5 | 1270 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1271 | before it is mapped, so that the window is mapped with the menubar already |
1272 | there instead of us tacking it on later and thrashing the window after it | |
1273 | is visible. */ | |
1274 | ||
1275 | void | |
971de7fb | 1276 | initialize_frame_menubar (FRAME_PTR f) |
4dedbfe0 PR |
1277 | { |
1278 | /* This function is called before the first chance to redisplay | |
1279 | the frame. It has to be, so the frame will have the right size. */ | |
1280 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); | |
88766961 | 1281 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1282 | } |
1283 | ||
aba25348 | 1284 | |
4dedbfe0 | 1285 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1286 | This is used when deleting a frame, and when turning off the menu bar. |
1287 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1288 | |
488dd4c4 | 1289 | #ifndef USE_GTK |
85f487d1 | 1290 | void |
ebd15611 | 1291 | free_frame_menubar (FRAME_PTR f) |
85f487d1 FP |
1292 | { |
1293 | Widget menubar_widget; | |
85f487d1 | 1294 | |
62af879c KL |
1295 | if (! FRAME_X_P (f)) |
1296 | abort (); | |
1297 | ||
7556890b | 1298 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1299 | |
1300 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1301 | |
85f487d1 FP |
1302 | if (menubar_widget) |
1303 | { | |
aba25348 GM |
1304 | #ifdef USE_MOTIF |
1305 | /* Removing the menu bar magically changes the shell widget's x | |
1306 | and y position of (0, 0) which, when the menu bar is turned | |
1307 | on again, leads to pull-down menuss appearing in strange | |
1308 | positions near the upper-left corner of the display. This | |
1309 | happens only with some window managers like twm and ctwm, | |
1310 | but not with other like Motif's mwm or kwm, because the | |
1311 | latter generate ConfigureNotify events when the menu bar | |
1312 | is switched off, which fixes the shell position. */ | |
1313 | Position x0, y0, x1, y1; | |
1314 | #endif | |
177c0ea7 | 1315 | |
85f487d1 | 1316 | BLOCK_INPUT; |
aba25348 GM |
1317 | |
1318 | #ifdef USE_MOTIF | |
ae556422 GM |
1319 | if (f->output_data.x->widget) |
1320 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1321 | #endif |
177c0ea7 | 1322 | |
7556890b | 1323 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1324 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1325 | |
ae556422 GM |
1326 | if (f->output_data.x->widget) |
1327 | { | |
23243f29 | 1328 | #ifdef USE_MOTIF |
ae556422 GM |
1329 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1330 | if (x1 == 0 && y1 == 0) | |
1331 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1332 | #endif |
23243f29 J |
1333 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
1334 | } | |
85f487d1 FP |
1335 | UNBLOCK_INPUT; |
1336 | } | |
1337 | } | |
488dd4c4 | 1338 | #endif /* not USE_GTK */ |
78589e07 | 1339 | |
488dd4c4 | 1340 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1341 | \f |
1342 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1343 | and returns the value selected from it. | |
1344 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1345 | Both assume input is blocked by the caller. */ | |
1346 | ||
1347 | /* F is the frame the menu is for. | |
1348 | X and Y are the frame-relative specified position, | |
1349 | relative to the inside upper left corner of the frame F. | |
c8b5aa3d | 1350 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
78589e07 RS |
1351 | KEYMAPS is 1 if this menu was specified with keymaps; |
1352 | in that case, we return a list containing the chosen item's value | |
1353 | and perhaps also the pane's prefix. | |
1354 | TITLE is the specified menu title. | |
1355 | ERROR is a place to store an error message string in case of failure. | |
1356 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1357 | |
488dd4c4 JD |
1358 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1359 | ||
1360 | /* The item selected in the popup menu. */ | |
1361 | static Lisp_Object *volatile menu_item_selection; | |
1362 | ||
1363 | #ifdef USE_GTK | |
1364 | ||
1365 | /* Used when position a popup menu. See menu_position_func and | |
1366 | create_and_show_popup_menu below. */ | |
1367 | struct next_popup_x_y | |
1368 | { | |
7b76ca1c | 1369 | FRAME_PTR f; |
488dd4c4 JD |
1370 | int x; |
1371 | int y; | |
1372 | }; | |
1373 | ||
1374 | /* The menu position function to use if we are not putting a popup | |
1375 | menu where the pointer is. | |
1376 | MENU is the menu to pop up. | |
1377 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1378 | PUSH_IN is not documented in the GTK manual. | |
1379 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1380 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1381 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1382 | |
1383 | Here only X and Y are used. */ | |
1384 | static void | |
971de7fb | 1385 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1386 | { |
7b76ca1c JD |
1387 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1388 | GtkRequisition req; | |
fd2f80c6 CY |
1389 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1390 | int disp_width = x_display_pixel_width (dpyinfo); | |
1391 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1392 | |
7b76ca1c JD |
1393 | *x = data->x; |
1394 | *y = data->y; | |
1395 | ||
1396 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1397 | the menu is fully visible. */ | |
1398 | gtk_widget_size_request (GTK_WIDGET (menu), &req); | |
1399 | if (data->x + req.width > disp_width) | |
1400 | *x -= data->x + req.width - disp_width; | |
1401 | if (data->y + req.height > disp_height) | |
1402 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1403 | } |
1404 | ||
1405 | static void | |
971de7fb | 1406 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1407 | { |
1408 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1409 | ||
1410 | if (xg_crazy_callback_abort) return; | |
1411 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1412 | } | |
1413 | ||
af89e871 | 1414 | static Lisp_Object |
971de7fb | 1415 | pop_down_menu (Lisp_Object arg) |
af89e871 | 1416 | { |
a130b901 JD |
1417 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1418 | ||
af89e871 | 1419 | popup_activated_flag = 0; |
a130b901 JD |
1420 | BLOCK_INPUT; |
1421 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); | |
1422 | UNBLOCK_INPUT; | |
af89e871 JD |
1423 | return Qnil; |
1424 | } | |
1425 | ||
488dd4c4 JD |
1426 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1427 | menu pops down. | |
1428 | menu_item_selection will be set to the selection. */ | |
1429 | static void | |
971de7fb | 1430 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, int for_click, EMACS_UINT timestamp) |
488dd4c4 JD |
1431 | { |
1432 | int i; | |
1433 | GtkWidget *menu; | |
1434 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1435 | struct next_popup_x_y popup_x_y; | |
af89e871 | 1436 | int specpdl_count = SPECPDL_INDEX (); |
488dd4c4 | 1437 | |
62af879c KL |
1438 | if (! FRAME_X_P (f)) |
1439 | abort (); | |
1440 | ||
488dd4c4 JD |
1441 | xg_crazy_callback_abort = 1; |
1442 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1443 | G_CALLBACK (popup_selection_callback), | |
1444 | G_CALLBACK (popup_deactivate_callback), | |
1445 | G_CALLBACK (menu_highlight_callback)); | |
1446 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1447 | |
488dd4c4 JD |
1448 | if (! for_click) |
1449 | { | |
1450 | /* Not invoked by a click. pop up at x/y. */ | |
1451 | pos_func = menu_position_func; | |
1452 | ||
1453 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1454 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1455 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1456 | |
1457 | popup_x_y.x = x; | |
1458 | popup_x_y.y = y; | |
7b76ca1c | 1459 | popup_x_y.f = f; |
488dd4c4 | 1460 | |
9b85e63d JD |
1461 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1462 | } | |
1463 | else | |
1464 | { | |
1465 | for (i = 0; i < 5; i++) | |
1466 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1467 | break; | |
1468 | } | |
59cfb104 | 1469 | |
488dd4c4 JD |
1470 | /* Display the menu. */ |
1471 | gtk_widget_show_all (menu); | |
c0df13a6 | 1472 | |
a20903d0 | 1473 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
eb99095d | 1474 | timestamp > 0 ? timestamp : gtk_get_current_event_time()); |
177c0ea7 | 1475 | |
a130b901 | 1476 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1477 | |
e547b051 | 1478 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1479 | { |
1480 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1481 | two. show_help_echo uses this to detect popup menus. */ | |
1482 | popup_activated_flag = 1; | |
1483 | /* Process events that apply to the menu. */ | |
1484 | popup_widget_loop (1, menu); | |
1485 | } | |
488dd4c4 | 1486 | |
af89e871 | 1487 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1488 | |
488dd4c4 JD |
1489 | /* Must reset this manually because the button release event is not passed |
1490 | to Emacs event loop. */ | |
1491 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1492 | } | |
1493 | ||
1494 | #else /* not USE_GTK */ | |
18686d47 | 1495 | |
8ed87156 | 1496 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1497 | library. |
1498 | ||
1499 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1500 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1501 | |
88766961 RS |
1502 | For menu bars, we use numbers starting at 0, counted in |
1503 | next_menubar_widget_id. */ | |
8ed87156 | 1504 | LWLIB_ID widget_id_tick; |
165e1749 | 1505 | |
4dedbfe0 | 1506 | static void |
ebd15611 | 1507 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 PR |
1508 | { |
1509 | menu_item_selection = (Lisp_Object *) client_data; | |
1510 | } | |
1511 | ||
af89e871 JD |
1512 | /* ARG is the LWLIB ID of the dialog box, represented |
1513 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1514 | ||
1515 | static Lisp_Object | |
ebd15611 | 1516 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1517 | { |
1518 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1519 | | XINT (XCDR (arg))); | |
1520 | ||
1521 | BLOCK_INPUT; | |
1522 | lw_destroy_all_widgets (id); | |
1523 | UNBLOCK_INPUT; | |
1524 | popup_activated_flag = 0; | |
1525 | ||
1526 | return Qnil; | |
1527 | } | |
1528 | ||
488dd4c4 JD |
1529 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1530 | menu pops down. | |
1531 | menu_item_selection will be set to the selection. */ | |
1532 | static void | |
2b23d2a6 AS |
1533 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, |
1534 | int x, int y, int for_click, EMACS_UINT timestamp) | |
488dd4c4 JD |
1535 | { |
1536 | int i; | |
1537 | Arg av[2]; | |
1538 | int ac = 0; | |
1539 | XButtonPressedEvent dummy; | |
1540 | LWLIB_ID menu_id; | |
1541 | Widget menu; | |
488dd4c4 | 1542 | |
62af879c KL |
1543 | if (! FRAME_X_P (f)) |
1544 | abort (); | |
1545 | ||
488dd4c4 JD |
1546 | menu_id = widget_id_tick++; |
1547 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1548 | f->output_data.x->widget, 1, 0, | |
1549 | popup_selection_callback, | |
1550 | popup_deactivate_callback, | |
1551 | menu_highlight_callback); | |
1552 | ||
52214050 | 1553 | #ifdef USE_LUCID |
99852628 | 1554 | apply_systemfont_to_menu (menu); |
52214050 | 1555 | #endif |
99852628 | 1556 | |
488dd4c4 JD |
1557 | dummy.type = ButtonPress; |
1558 | dummy.serial = 0; | |
1559 | dummy.send_event = 0; | |
1560 | dummy.display = FRAME_X_DISPLAY (f); | |
1561 | dummy.time = CurrentTime; | |
1562 | dummy.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1563 | dummy.window = dummy.root; | |
1564 | dummy.subwindow = dummy.root; | |
1565 | dummy.x = x; | |
1566 | dummy.y = y; | |
1567 | ||
1568 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1569 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1570 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1571 | |
1572 | dummy.x_root = x; | |
1573 | dummy.y_root = y; | |
1574 | ||
1575 | dummy.state = 0; | |
1576 | dummy.button = 0; | |
1577 | for (i = 0; i < 5; i++) | |
1578 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1579 | dummy.button = i; | |
1580 | ||
1581 | /* Don't allow any geometry request from the user. */ | |
1582 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1583 | XtSetValues (menu, av, ac); | |
1584 | ||
1585 | /* Display the menu. */ | |
1586 | lw_popup_menu (menu, (XEvent *) &dummy); | |
1587 | popup_activated_flag = 1; | |
98a20c65 | 1588 | x_activate_timeout_atimer (); |
59cfb104 | 1589 | |
af89e871 JD |
1590 | { |
1591 | int fact = 4 * sizeof (LWLIB_ID); | |
1592 | int specpdl_count = SPECPDL_INDEX (); | |
1593 | record_unwind_protect (pop_down_menu, | |
1594 | Fcons (make_number (menu_id >> (fact)), | |
1595 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1596 | |
af89e871 | 1597 | /* Process events that apply to the menu. */ |
95bdef2e | 1598 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1599 | |
af89e871 JD |
1600 | unbind_to (specpdl_count, Qnil); |
1601 | } | |
488dd4c4 JD |
1602 | } |
1603 | ||
1604 | #endif /* not USE_GTK */ | |
1605 | ||
ef7417fd SM |
1606 | Lisp_Object |
1607 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, | |
1608 | Lisp_Object title, char **error, EMACS_UINT timestamp) | |
18686d47 | 1609 | { |
78589e07 | 1610 | int i; |
78589e07 | 1611 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 RS |
1612 | widget_value **submenu_stack |
1613 | = (widget_value **) alloca (menu_items_used * sizeof (widget_value *)); | |
1614 | Lisp_Object *subprefix_stack | |
1615 | = (Lisp_Object *) alloca (menu_items_used * sizeof (Lisp_Object)); | |
1616 | int submenu_depth = 0; | |
4e8d3549 | 1617 | |
78c8278d RS |
1618 | int first_pane; |
1619 | ||
62af879c KL |
1620 | if (! FRAME_X_P (f)) |
1621 | abort (); | |
1622 | ||
78589e07 RS |
1623 | *error = NULL; |
1624 | ||
742f715d KH |
1625 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1626 | { | |
1627 | *error = "Empty menu"; | |
1628 | return Qnil; | |
1629 | } | |
63c414df | 1630 | |
78589e07 RS |
1631 | /* Create a tree of widget_value objects |
1632 | representing the panes and their items. */ | |
f7fab165 | 1633 | wv = xmalloc_widget_value (); |
78589e07 RS |
1634 | wv->name = "menu"; |
1635 | wv->value = 0; | |
1636 | wv->enabled = 1; | |
3427a3db | 1637 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1638 | wv->help =Qnil; |
78589e07 | 1639 | first_wv = wv; |
78c8278d | 1640 | first_pane = 1; |
177c0ea7 | 1641 | |
78589e07 RS |
1642 | /* Loop over all panes and items, filling in the tree. */ |
1643 | i = 0; | |
1644 | while (i < menu_items_used) | |
1645 | { | |
101bb4a5 RS |
1646 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1647 | { | |
1648 | submenu_stack[submenu_depth++] = save_wv; | |
1649 | save_wv = prev_wv; | |
1650 | prev_wv = 0; | |
78c8278d | 1651 | first_pane = 1; |
101bb4a5 RS |
1652 | i++; |
1653 | } | |
1654 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1655 | { | |
1656 | prev_wv = save_wv; | |
1657 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1658 | first_pane = 0; |
101bb4a5 RS |
1659 | i++; |
1660 | } | |
1661 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt) | |
1662 | && submenu_depth != 0) | |
1663 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1664 | /* Ignore a nil in the item list. |
1665 | It's meaningful only for dialog boxes. */ | |
1666 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1667 | i += 1; | |
101bb4a5 | 1668 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
78589e07 RS |
1669 | { |
1670 | /* Create a new pane. */ | |
1671 | Lisp_Object pane_name, prefix; | |
1672 | char *pane_string; | |
177c0ea7 | 1673 | |
4c329aa8 GM |
1674 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1675 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1676 | |
703dc2a8 | 1677 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1678 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1679 | { | |
8af9fa55 | 1680 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1681 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1682 | } |
703dc2a8 | 1683 | #endif |
78589e07 | 1684 | pane_string = (NILP (pane_name) |
d5db4077 | 1685 | ? "" : (char *) SDATA (pane_name)); |
101bb4a5 | 1686 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1687 | under the top-level menu. */ |
1688 | if (menu_items_n_panes == 1) | |
1689 | pane_string = ""; | |
1690 | ||
1691 | /* If the pane has a meaningful name, | |
1692 | make the pane a top-level menu item | |
1693 | with its items as a submenu beneath it. */ | |
78c8278d | 1694 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1695 | { |
f7fab165 | 1696 | wv = xmalloc_widget_value (); |
78589e07 RS |
1697 | if (save_wv) |
1698 | save_wv->next = wv; | |
1699 | else | |
1700 | first_wv->contents = wv; | |
1701 | wv->name = pane_string; | |
1702 | if (keymaps && !NILP (prefix)) | |
1703 | wv->name++; | |
1704 | wv->value = 0; | |
1705 | wv->enabled = 1; | |
3427a3db | 1706 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1707 | wv->help = Qnil; |
78c8278d RS |
1708 | save_wv = wv; |
1709 | prev_wv = 0; | |
78589e07 | 1710 | } |
78c8278d RS |
1711 | else if (first_pane) |
1712 | { | |
1713 | save_wv = wv; | |
1714 | prev_wv = 0; | |
1715 | } | |
1716 | first_pane = 0; | |
78589e07 RS |
1717 | i += MENU_ITEMS_PANE_LENGTH; |
1718 | } | |
1719 | else | |
1720 | { | |
1721 | /* Create a new item within current pane. */ | |
9cd50434 | 1722 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1723 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1724 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1725 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1726 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1727 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1728 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1729 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1730 | |
703dc2a8 | 1731 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1732 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1733 | { |
646f98ec | 1734 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1735 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1736 | } |
177c0ea7 | 1737 | |
3427a3db | 1738 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1739 | { |
646f98ec | 1740 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1741 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1742 | } |
1743 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1744 | |
f7fab165 | 1745 | wv = xmalloc_widget_value (); |
177c0ea7 | 1746 | if (prev_wv) |
78589e07 | 1747 | prev_wv->next = wv; |
177c0ea7 | 1748 | else |
78589e07 | 1749 | save_wv->contents = wv; |
d5db4077 | 1750 | wv->name = (char *) SDATA (item_name); |
78589e07 | 1751 | if (!NILP (descrip)) |
d5db4077 | 1752 | wv->key = (char *) SDATA (descrip); |
78589e07 | 1753 | wv->value = 0; |
a352a815 RS |
1754 | /* If this item has a null value, |
1755 | make the call_data null so that it won't display a box | |
1756 | when the mouse is on it. */ | |
1757 | wv->call_data | |
1758 | = (!NILP (def) ? (void *) &XVECTOR (menu_items)->contents[i] : 0); | |
78589e07 | 1759 | wv->enabled = !NILP (enable); |
3427a3db GM |
1760 | |
1761 | if (NILP (type)) | |
1762 | wv->button_type = BUTTON_TYPE_NONE; | |
1763 | else if (EQ (type, QCtoggle)) | |
1764 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1765 | else if (EQ (type, QCradio)) | |
1766 | wv->button_type = BUTTON_TYPE_RADIO; | |
1767 | else | |
1768 | abort (); | |
1769 | ||
1770 | wv->selected = !NILP (selected); | |
cc45fb40 | 1771 | |
0b1f4572 RS |
1772 | if (! STRINGP (help)) |
1773 | help = Qnil; | |
1774 | ||
1775 | wv->help = help; | |
cc45fb40 | 1776 | |
78589e07 RS |
1777 | prev_wv = wv; |
1778 | ||
1779 | i += MENU_ITEMS_ITEM_LENGTH; | |
1780 | } | |
1781 | } | |
1782 | ||
c98fcf4b | 1783 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1784 | if (!NILP (title)) |
1785 | { | |
f7fab165 RS |
1786 | widget_value *wv_title = xmalloc_widget_value (); |
1787 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1788 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1789 | |
1790 | wv_sep2->name = "--"; | |
1791 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1792 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1793 | |
1794 | wv_sep1->name = "--"; | |
1795 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1796 | wv_sep1->help = Qnil; |
4dedbfe0 | 1797 | |
703dc2a8 KH |
1798 | #ifndef HAVE_MULTILINGUAL_MENU |
1799 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1800 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1801 | #endif |
177c0ea7 | 1802 | |
d5db4077 | 1803 | wv_title->name = (char *) SDATA (title); |
cc45fb40 | 1804 | wv_title->enabled = TRUE; |
3427a3db | 1805 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1806 | wv_title->help = Qnil; |
a9d8395f | 1807 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1808 | first_wv->contents = wv_title; |
1809 | } | |
1810 | ||
78589e07 RS |
1811 | /* No selection has been chosen yet. */ |
1812 | menu_item_selection = 0; | |
1813 | ||
488dd4c4 | 1814 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1815 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1816 | |
488dd4c4 JD |
1817 | /* Free the widget_value objects we used to specify the contents. */ |
1818 | free_menubar_widget_value_tree (first_wv); | |
18686d47 | 1819 | |
78589e07 RS |
1820 | /* Find the selected item, and its pane, to return |
1821 | the proper value. */ | |
1822 | if (menu_item_selection != 0) | |
1823 | { | |
c63f6952 | 1824 | Lisp_Object prefix, entry; |
78589e07 | 1825 | |
6bbd7a29 | 1826 | prefix = entry = Qnil; |
78589e07 RS |
1827 | i = 0; |
1828 | while (i < menu_items_used) | |
1829 | { | |
101bb4a5 RS |
1830 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1831 | { | |
1832 | subprefix_stack[submenu_depth++] = prefix; | |
1833 | prefix = entry; | |
1834 | i++; | |
1835 | } | |
1836 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1837 | { | |
1838 | prefix = subprefix_stack[--submenu_depth]; | |
1839 | i++; | |
1840 | } | |
1841 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
78589e07 RS |
1842 | { |
1843 | prefix | |
1844 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
1845 | i += MENU_ITEMS_PANE_LENGTH; | |
1846 | } | |
d31d42cc RS |
1847 | /* Ignore a nil in the item list. |
1848 | It's meaningful only for dialog boxes. */ | |
1849 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1850 | i += 1; | |
78589e07 RS |
1851 | else |
1852 | { | |
1853 | entry | |
1854 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
1855 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
1856 | { | |
1857 | if (keymaps != 0) | |
1858 | { | |
101bb4a5 RS |
1859 | int j; |
1860 | ||
78589e07 RS |
1861 | entry = Fcons (entry, Qnil); |
1862 | if (!NILP (prefix)) | |
1863 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1864 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1865 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1866 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1867 | } |
1868 | return entry; | |
1869 | } | |
1870 | i += MENU_ITEMS_ITEM_LENGTH; | |
1871 | } | |
1872 | } | |
1873 | } | |
be6ed24a RS |
1874 | else if (!for_click) |
1875 | /* Make "Cancel" equivalent to C-g. */ | |
1876 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1877 | |
1878 | return Qnil; | |
18686d47 | 1879 | } |
4dedbfe0 | 1880 | \f |
488dd4c4 JD |
1881 | #ifdef USE_GTK |
1882 | static void | |
971de7fb | 1883 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1884 | { |
1885 | /* The EMACS_INT cast avoids a warning. There's no problem | |
1886 | as long as pointers have enough bits to hold small integers. */ | |
1887 | if ((int) (EMACS_INT) client_data != -1) | |
1888 | menu_item_selection = (Lisp_Object *) client_data; | |
1889 | ||
1890 | popup_activated_flag = 0; | |
1891 | } | |
1892 | ||
1893 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1894 | dialog pops down. | |
1895 | menu_item_selection will be set to the selection. */ | |
1896 | static void | |
971de7fb | 1897 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1898 | { |
1899 | GtkWidget *menu; | |
1900 | ||
62af879c KL |
1901 | if (! FRAME_X_P (f)) |
1902 | abort (); | |
1903 | ||
488dd4c4 JD |
1904 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1905 | G_CALLBACK (dialog_selection_callback), | |
1906 | G_CALLBACK (popup_deactivate_callback), | |
1907 | 0); | |
1908 | ||
1909 | if (menu) | |
1910 | { | |
af89e871 | 1911 | int specpdl_count = SPECPDL_INDEX (); |
a130b901 | 1912 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1913 | |
488dd4c4 JD |
1914 | /* Display the menu. */ |
1915 | gtk_widget_show_all (menu); | |
1916 | ||
1917 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1918 | popup_widget_loop (1, menu); |
177c0ea7 | 1919 | |
af89e871 | 1920 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1921 | } |
1922 | } | |
1923 | ||
1924 | #else /* not USE_GTK */ | |
4dedbfe0 | 1925 | static void |
ebd15611 | 1926 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1927 | { |
01d5e892 RS |
1928 | /* The EMACS_INT cast avoids a warning. There's no problem |
1929 | as long as pointers have enough bits to hold small integers. */ | |
1930 | if ((int) (EMACS_INT) client_data != -1) | |
4dedbfe0 | 1931 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1932 | |
4dedbfe0 PR |
1933 | BLOCK_INPUT; |
1934 | lw_destroy_all_widgets (id); | |
1935 | UNBLOCK_INPUT; | |
9572375b | 1936 | popup_activated_flag = 0; |
4dedbfe0 | 1937 | } |
18686d47 | 1938 | |
488dd4c4 | 1939 | |
488dd4c4 JD |
1940 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1941 | dialog pops down. | |
1942 | menu_item_selection will be set to the selection. */ | |
1943 | static void | |
ebd15611 | 1944 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1945 | { |
1946 | LWLIB_ID dialog_id; | |
1947 | ||
62af879c KL |
1948 | if (!FRAME_X_P (f)) |
1949 | abort(); | |
1950 | ||
488dd4c4 | 1951 | dialog_id = widget_id_tick++; |
52214050 | 1952 | #ifdef USE_LUCID |
1ecb2d3f JD |
1953 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1954 | #endif | |
488dd4c4 JD |
1955 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1956 | f->output_data.x->widget, 1, 0, | |
1957 | dialog_selection_callback, 0, 0); | |
1958 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1959 | /* Display the dialog box. */ |
1960 | lw_pop_up_all_widgets (dialog_id); | |
1961 | popup_activated_flag = 1; | |
98a20c65 | 1962 | x_activate_timeout_atimer (); |
488dd4c4 JD |
1963 | |
1964 | /* Process events that apply to the dialog box. | |
1965 | Also handle timers. */ | |
1966 | { | |
1967 | int count = SPECPDL_INDEX (); | |
1968 | int fact = 4 * sizeof (LWLIB_ID); | |
177c0ea7 | 1969 | |
488dd4c4 | 1970 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 1971 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
1972 | Fcons (make_number (dialog_id >> (fact)), |
1973 | make_number (dialog_id & ~(-1 << (fact))))); | |
1974 | ||
df470e3b | 1975 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 1976 | dialog_id, 1); |
488dd4c4 JD |
1977 | |
1978 | unbind_to (count, Qnil); | |
1979 | } | |
1980 | } | |
1981 | ||
1982 | #endif /* not USE_GTK */ | |
1983 | ||
165e1749 FP |
1984 | static char * button_names [] = { |
1985 | "button1", "button2", "button3", "button4", "button5", | |
1986 | "button6", "button7", "button8", "button9", "button10" }; | |
1987 | ||
1988 | static Lisp_Object | |
971de7fb | 1989 | xdialog_show (FRAME_PTR f, int keymaps, Lisp_Object title, Lisp_Object header, char **error_name) |
165e1749 FP |
1990 | { |
1991 | int i, nb_buttons=0; | |
80670155 | 1992 | char dialog_name[6]; |
165e1749 | 1993 | |
faa935b6 | 1994 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 1995 | |
fcaa7665 RS |
1996 | /* Number of elements seen so far, before boundary. */ |
1997 | int left_count = 0; | |
1998 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
1999 | int boundary_seen = 0; | |
2000 | ||
62af879c KL |
2001 | if (! FRAME_X_P (f)) |
2002 | abort (); | |
2003 | ||
6a040d6a | 2004 | *error_name = NULL; |
165e1749 | 2005 | |
80670155 RS |
2006 | if (menu_items_n_panes > 1) |
2007 | { | |
6a040d6a | 2008 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2009 | return Qnil; |
2010 | } | |
2011 | ||
165e1749 FP |
2012 | /* Create a tree of widget_value objects |
2013 | representing the text label and buttons. */ | |
2014 | { | |
2015 | Lisp_Object pane_name, prefix; | |
2016 | char *pane_string; | |
2017 | pane_name = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME]; | |
2018 | prefix = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_PREFIX]; | |
2019 | pane_string = (NILP (pane_name) | |
177c0ea7 | 2020 | ? "" : (char *) SDATA (pane_name)); |
f7fab165 | 2021 | prev_wv = xmalloc_widget_value (); |
165e1749 FP |
2022 | prev_wv->value = pane_string; |
2023 | if (keymaps && !NILP (prefix)) | |
2024 | prev_wv->name++; | |
2025 | prev_wv->enabled = 1; | |
2026 | prev_wv->name = "message"; | |
27ad7b52 | 2027 | prev_wv->help = Qnil; |
165e1749 | 2028 | first_wv = prev_wv; |
177c0ea7 | 2029 | |
165e1749 FP |
2030 | /* Loop over all panes and items, filling in the tree. */ |
2031 | i = MENU_ITEMS_PANE_LENGTH; | |
2032 | while (i < menu_items_used) | |
2033 | { | |
177c0ea7 | 2034 | |
165e1749 FP |
2035 | /* Create a new item within current pane. */ |
2036 | Lisp_Object item_name, enable, descrip; | |
2037 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2038 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2039 | descrip | |
2040 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
177c0ea7 | 2041 | |
80670155 RS |
2042 | if (NILP (item_name)) |
2043 | { | |
2044 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2045 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2046 | return Qnil; |
2047 | } | |
fcaa7665 RS |
2048 | if (EQ (item_name, Qquote)) |
2049 | { | |
2050 | /* This is the boundary between left-side elts | |
2051 | and right-side elts. Stop incrementing right_count. */ | |
2052 | boundary_seen = 1; | |
2053 | i++; | |
2054 | continue; | |
2055 | } | |
86e71abf | 2056 | if (nb_buttons >= 9) |
80670155 RS |
2057 | { |
2058 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2059 | *error_name = "Too many dialog items"; |
80670155 RS |
2060 | return Qnil; |
2061 | } | |
2062 | ||
f7fab165 | 2063 | wv = xmalloc_widget_value (); |
165e1749 | 2064 | prev_wv->next = wv; |
80670155 | 2065 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2066 | if (!NILP (descrip)) |
d5db4077 KR |
2067 | wv->key = (char *) SDATA (descrip); |
2068 | wv->value = (char *) SDATA (item_name); | |
165e1749 FP |
2069 | wv->call_data = (void *) &XVECTOR (menu_items)->contents[i]; |
2070 | wv->enabled = !NILP (enable); | |
27ad7b52 | 2071 | wv->help = Qnil; |
165e1749 FP |
2072 | prev_wv = wv; |
2073 | ||
fcaa7665 RS |
2074 | if (! boundary_seen) |
2075 | left_count++; | |
2076 | ||
165e1749 FP |
2077 | nb_buttons++; |
2078 | i += MENU_ITEMS_ITEM_LENGTH; | |
2079 | } | |
2080 | ||
fcaa7665 RS |
2081 | /* If the boundary was not specified, |
2082 | by default put half on the left and half on the right. */ | |
2083 | if (! boundary_seen) | |
2084 | left_count = nb_buttons - nb_buttons / 2; | |
2085 | ||
f7fab165 | 2086 | wv = xmalloc_widget_value (); |
80670155 | 2087 | wv->name = dialog_name; |
27ad7b52 | 2088 | wv->help = Qnil; |
6a040d6a NR |
2089 | |
2090 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2091 | Can also have 'E' = Error if, one day, we want | |
2092 | a popup for errors. */ | |
2093 | if (NILP(header)) | |
2094 | dialog_name[0] = 'Q'; | |
2095 | else | |
2096 | dialog_name[0] = 'I'; | |
2097 | ||
80670155 RS |
2098 | /* Dialog boxes use a really stupid name encoding |
2099 | which specifies how many buttons to use | |
6a040d6a | 2100 | and how many buttons are on the right. */ |
80670155 RS |
2101 | dialog_name[1] = '0' + nb_buttons; |
2102 | dialog_name[2] = 'B'; | |
2103 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2104 | /* Number of buttons to put on the right. */ |
2105 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2106 | dialog_name[5] = 0; |
165e1749 FP |
2107 | wv->contents = first_wv; |
2108 | first_wv = wv; | |
165e1749 FP |
2109 | } |
2110 | ||
165e1749 FP |
2111 | /* No selection has been chosen yet. */ |
2112 | menu_item_selection = 0; | |
2113 | ||
488dd4c4 JD |
2114 | /* Actually create and show the dialog. */ |
2115 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2116 | |
488dd4c4 JD |
2117 | /* Free the widget_value objects we used to specify the contents. */ |
2118 | free_menubar_widget_value_tree (first_wv); | |
177c0ea7 | 2119 | |
488dd4c4 JD |
2120 | /* Find the selected item, and its pane, to return |
2121 | the proper value. */ | |
165e1749 FP |
2122 | if (menu_item_selection != 0) |
2123 | { | |
2124 | Lisp_Object prefix; | |
2125 | ||
2126 | prefix = Qnil; | |
2127 | i = 0; | |
2128 | while (i < menu_items_used) | |
2129 | { | |
2130 | Lisp_Object entry; | |
2131 | ||
2132 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
2133 | { | |
2134 | prefix | |
2135 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2136 | i += MENU_ITEMS_PANE_LENGTH; | |
2137 | } | |
85996cfb GM |
2138 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) |
2139 | { | |
2140 | /* This is the boundary between left-side elts and | |
2141 | right-side elts. */ | |
2142 | ++i; | |
2143 | } | |
165e1749 FP |
2144 | else |
2145 | { | |
2146 | entry | |
2147 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2148 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
2149 | { | |
2150 | if (keymaps != 0) | |
2151 | { | |
2152 | entry = Fcons (entry, Qnil); | |
2153 | if (!NILP (prefix)) | |
2154 | entry = Fcons (prefix, entry); | |
2155 | } | |
2156 | return entry; | |
2157 | } | |
2158 | i += MENU_ITEMS_ITEM_LENGTH; | |
2159 | } | |
2160 | } | |
2161 | } | |
9f6fcdc5 JD |
2162 | else |
2163 | /* Make "Cancel" equivalent to C-g. */ | |
2164 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2165 | |
2166 | return Qnil; | |
2167 | } | |
ba461919 | 2168 | |
488dd4c4 | 2169 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2170 | |
3e703b25 GM |
2171 | /* The frame of the last activated non-toolkit menu bar. |
2172 | Used to generate menu help events. */ | |
2173 | ||
2174 | static struct frame *menu_help_frame; | |
2175 | ||
2176 | ||
62145073 GM |
2177 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2178 | ||
2179 | PANE is the pane number, and ITEM is the menu item number in | |
2180 | the menu (currently not used). | |
177c0ea7 | 2181 | |
62145073 GM |
2182 | This cannot be done with generating a HELP_EVENT because |
2183 | XMenuActivate contains a loop that doesn't let Emacs process | |
2184 | keyboard events. */ | |
3e703b25 GM |
2185 | |
2186 | static void | |
0521f580 | 2187 | menu_help_callback (char *help_string, int pane, int item) |
3e703b25 | 2188 | { |
62145073 GM |
2189 | Lisp_Object *first_item; |
2190 | Lisp_Object pane_name; | |
2191 | Lisp_Object menu_object; | |
177c0ea7 | 2192 | |
62145073 GM |
2193 | first_item = XVECTOR (menu_items)->contents; |
2194 | if (EQ (first_item[0], Qt)) | |
2195 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2196 | else if (EQ (first_item[0], Qquote)) | |
2197 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2198 | pane_name = empty_unibyte_string; |
62145073 GM |
2199 | else |
2200 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2201 | |
62145073 GM |
2202 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2203 | menu_object = Fcons (Qmenu_item, | |
2204 | Fcons (pane_name, | |
2205 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2206 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
62145073 | 2207 | Qnil, menu_object, make_number (item), 1); |
3e703b25 | 2208 | } |
177c0ea7 | 2209 | |
af89e871 | 2210 | static Lisp_Object |
0521f580 | 2211 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2212 | { |
a130b901 JD |
2213 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2214 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2215 | |
a130b901 JD |
2216 | FRAME_PTR f = p1->pointer; |
2217 | XMenu *menu = p2->pointer; | |
af89e871 JD |
2218 | |
2219 | BLOCK_INPUT; | |
af89e871 | 2220 | #ifndef MSDOS |
a130b901 JD |
2221 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2222 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2223 | #endif |
a130b901 | 2224 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2225 | |
2226 | #ifdef HAVE_X_WINDOWS | |
2227 | /* Assume the mouse has moved out of the X window. | |
2228 | If it has actually moved in, we will get an EnterNotify. */ | |
2229 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2230 | ||
2231 | /* State that no mouse buttons are now held. | |
2232 | (The oldXMenu code doesn't track this info for us.) | |
2233 | That is not necessarily true, but the fiction leads to reasonable | |
2234 | results, and it is a pain to ask which are actually held now. */ | |
2235 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2236 | ||
2237 | #endif /* HAVE_X_WINDOWS */ | |
2238 | ||
2239 | UNBLOCK_INPUT; | |
2240 | ||
2241 | return Qnil; | |
2242 | } | |
2243 | ||
3e703b25 | 2244 | |
1fb99a3a | 2245 | Lisp_Object |
2b23d2a6 AS |
2246 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, |
2247 | Lisp_Object title, char **error, EMACS_UINT timestamp) | |
dcfdbac7 | 2248 | { |
177c0ea7 | 2249 | Window root; |
78589e07 RS |
2250 | XMenu *menu; |
2251 | int pane, selidx, lpane, status; | |
2252 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2253 | char *datap; |
2254 | int ulx, uly, width, height; | |
2255 | int dispwidth, dispheight; | |
453a4f1b | 2256 | int i, j, lines, maxlines; |
4e8d3549 | 2257 | int maxwidth; |
78589e07 RS |
2258 | int dummy_int; |
2259 | unsigned int dummy_uint; | |
af89e871 | 2260 | int specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2261 | |
a9e1244d | 2262 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
62af879c KL |
2263 | abort (); |
2264 | ||
07a675b7 | 2265 | *error = 0; |
78589e07 RS |
2266 | if (menu_items_n_panes == 0) |
2267 | return Qnil; | |
088831f6 | 2268 | |
742f715d KH |
2269 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2270 | { | |
2271 | *error = "Empty menu"; | |
2272 | return Qnil; | |
2273 | } | |
2274 | ||
78589e07 | 2275 | /* Figure out which root window F is on. */ |
92280f67 | 2276 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2277 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2278 | &dummy_uint, &dummy_uint); | |
18686d47 | 2279 | |
78589e07 | 2280 | /* Make the menu on that window. */ |
92280f67 | 2281 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2282 | if (menu == NULL) |
dcfdbac7 JB |
2283 | { |
2284 | *error = "Can't create menu"; | |
78589e07 | 2285 | return Qnil; |
dcfdbac7 | 2286 | } |
78589e07 | 2287 | |
d130d129 RS |
2288 | /* Don't GC while we prepare and show the menu, |
2289 | because we give the oldxmenu library pointers to the | |
2290 | contents of strings. */ | |
2291 | inhibit_garbage_collection (); | |
2292 | ||
87485d6f | 2293 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2294 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2295 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2296 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2297 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2298 | |
2299 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2300 | x += f->left_pos; |
2301 | y += f->top_pos; | |
177c0ea7 | 2302 | |
78589e07 | 2303 | /* Create all the necessary panes and their items. */ |
453a4f1b | 2304 | maxlines = lines = i = 0; |
78589e07 | 2305 | while (i < menu_items_used) |
dcfdbac7 | 2306 | { |
78589e07 | 2307 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
dcfdbac7 | 2308 | { |
78589e07 RS |
2309 | /* Create a new pane. */ |
2310 | Lisp_Object pane_name, prefix; | |
2311 | char *pane_string; | |
2312 | ||
453a4f1b JD |
2313 | maxlines = max (maxlines, lines); |
2314 | lines = 0; | |
78589e07 RS |
2315 | pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME]; |
2316 | prefix = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2317 | pane_string = (NILP (pane_name) | |
d5db4077 | 2318 | ? "" : (char *) SDATA (pane_name)); |
78589e07 RS |
2319 | if (keymaps && !NILP (prefix)) |
2320 | pane_string++; | |
2321 | ||
92280f67 | 2322 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2323 | if (lpane == XM_FAILURE) |
2324 | { | |
92280f67 | 2325 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
78589e07 RS |
2326 | *error = "Can't create pane"; |
2327 | return Qnil; | |
2328 | } | |
2329 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2330 | |
2331 | /* Find the width of the widest item in this pane. */ | |
2332 | maxwidth = 0; | |
2333 | j = i; | |
2334 | while (j < menu_items_used) | |
2335 | { | |
2336 | Lisp_Object item; | |
2337 | item = XVECTOR (menu_items)->contents[j]; | |
2338 | if (EQ (item, Qt)) | |
2339 | break; | |
2340 | if (NILP (item)) | |
2341 | { | |
2342 | j++; | |
2343 | continue; | |
2344 | } | |
d5db4077 | 2345 | width = SBYTES (item); |
4e8d3549 RS |
2346 | if (width > maxwidth) |
2347 | maxwidth = width; | |
2348 | ||
2349 | j += MENU_ITEMS_ITEM_LENGTH; | |
2350 | } | |
dcfdbac7 | 2351 | } |
fcaa7665 RS |
2352 | /* Ignore a nil in the item list. |
2353 | It's meaningful only for dialog boxes. */ | |
2354 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
2355 | i += 1; | |
78589e07 | 2356 | else |
dcfdbac7 | 2357 | { |
78589e07 | 2358 | /* Create a new item within current pane. */ |
3e703b25 | 2359 | Lisp_Object item_name, enable, descrip, help; |
4e8d3549 | 2360 | unsigned char *item_data; |
3e703b25 | 2361 | char *help_string; |
78589e07 RS |
2362 | |
2363 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2364 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2365 | descrip | |
2366 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
3e703b25 | 2367 | help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP]; |
d5db4077 | 2368 | help_string = STRINGP (help) ? SDATA (help) : NULL; |
177c0ea7 | 2369 | |
78589e07 | 2370 | if (!NILP (descrip)) |
4e8d3549 | 2371 | { |
d5db4077 | 2372 | int gap = maxwidth - SBYTES (item_name); |
4e8d3549 RS |
2373 | /* if alloca is fast, use that to make the space, |
2374 | to reduce gc needs. */ | |
2375 | item_data | |
2376 | = (unsigned char *) alloca (maxwidth | |
d5db4077 | 2377 | + SBYTES (descrip) + 1); |
72af86bd | 2378 | memcpy (item_data, SDATA (item_name), SBYTES (item_name)); |
d5db4077 | 2379 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2380 | item_data[j] = ' '; |
72af86bd | 2381 | memcpy (item_data + j, SDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2382 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2383 | } |
2384 | else | |
d5db4077 | 2385 | item_data = SDATA (item_name); |
78589e07 | 2386 | |
92280f67 RS |
2387 | if (XMenuAddSelection (FRAME_X_DISPLAY (f), |
2388 | menu, lpane, 0, item_data, | |
3e703b25 | 2389 | !NILP (enable), help_string) |
dcfdbac7 JB |
2390 | == XM_FAILURE) |
2391 | { | |
92280f67 | 2392 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
dcfdbac7 | 2393 | *error = "Can't add selection to menu"; |
78589e07 | 2394 | return Qnil; |
dcfdbac7 | 2395 | } |
78589e07 | 2396 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2397 | lines++; |
dcfdbac7 JB |
2398 | } |
2399 | } | |
4e8d3549 | 2400 | |
453a4f1b JD |
2401 | maxlines = max (maxlines, lines); |
2402 | ||
78589e07 | 2403 | /* All set and ready to fly. */ |
92280f67 | 2404 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2405 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2406 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2407 | x = min (x, dispwidth); |
2408 | y = min (y, dispheight); | |
2409 | x = max (x, 1); | |
2410 | y = max (y, 1); | |
92280f67 | 2411 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2412 | &ulx, &uly, &width, &height); |
2413 | if (ulx+width > dispwidth) | |
2414 | { | |
78589e07 | 2415 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2416 | ulx = dispwidth - width; |
2417 | } | |
2418 | if (uly+height > dispheight) | |
2419 | { | |
78589e07 | 2420 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2421 | uly = dispheight - height; |
2422 | } | |
2de7397f EZ |
2423 | #ifndef HAVE_X_WINDOWS |
2424 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2425 | { | |
2426 | /* Move the menu away of the echo area, to avoid overwriting the | |
2427 | menu with help echo messages or vice versa. */ | |
2428 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2429 | { | |
2430 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2431 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2432 | } | |
2433 | else | |
2434 | { | |
2435 | y--; | |
2436 | uly--; | |
2437 | } | |
2438 | } | |
2439 | #endif | |
78589e07 RS |
2440 | if (ulx < 0) x -= ulx; |
2441 | if (uly < 0) y -= uly; | |
121e4555 | 2442 | |
453a4f1b JD |
2443 | if (! for_click) |
2444 | { | |
2445 | /* If position was not given by a mouse click, adjust so upper left | |
2446 | corner of the menu as a whole ends up at given coordinates. This | |
2447 | is what x-popup-menu says in its documentation. */ | |
2448 | x += width/2; | |
2449 | y += 1.5*height/(maxlines+2); | |
2450 | } | |
2451 | ||
121e4555 | 2452 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2453 | XMenuSetFreeze (menu, TRUE); |
2454 | pane = selidx = 0; | |
3e703b25 | 2455 | |
c3438661 JD |
2456 | #ifndef MSDOS |
2457 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2458 | #endif | |
59cfb104 | 2459 | |
a130b901 JD |
2460 | record_unwind_protect (pop_down_menu, |
2461 | Fcons (make_save_value (f, 0), | |
2462 | make_save_value (menu, 0))); | |
c3438661 | 2463 | |
3e703b25 GM |
2464 | /* Help display under X won't work because XMenuActivate contains |
2465 | a loop that doesn't give Emacs a chance to process it. */ | |
2466 | menu_help_frame = f; | |
92280f67 | 2467 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2468 | x, y, ButtonReleaseMask, &datap, |
2469 | menu_help_callback); | |
a352a815 | 2470 | |
dcfdbac7 JB |
2471 | switch (status) |
2472 | { | |
2473 | case XM_SUCCESS: | |
2474 | #ifdef XDEBUG | |
2475 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2476 | #endif | |
fa6d54d9 | 2477 | |
78589e07 RS |
2478 | /* Find the item number SELIDX in pane number PANE. */ |
2479 | i = 0; | |
2480 | while (i < menu_items_used) | |
fa6d54d9 | 2481 | { |
78589e07 | 2482 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
088831f6 | 2483 | { |
78589e07 RS |
2484 | if (pane == 0) |
2485 | pane_prefix | |
2486 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2487 | pane--; | |
2488 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2489 | } |
78589e07 | 2490 | else |
ab6ee1a0 | 2491 | { |
78589e07 | 2492 | if (pane == -1) |
ab6ee1a0 | 2493 | { |
78589e07 | 2494 | if (selidx == 0) |
ab6ee1a0 | 2495 | { |
78589e07 RS |
2496 | entry |
2497 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2498 | if (keymaps != 0) | |
ab6ee1a0 | 2499 | { |
78589e07 RS |
2500 | entry = Fcons (entry, Qnil); |
2501 | if (!NILP (pane_prefix)) | |
2502 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2503 | } |
78589e07 | 2504 | break; |
ab6ee1a0 | 2505 | } |
78589e07 | 2506 | selidx--; |
ab6ee1a0 | 2507 | } |
78589e07 | 2508 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2509 | } |
2510 | } | |
78589e07 | 2511 | break; |
dcfdbac7 | 2512 | |
78589e07 | 2513 | case XM_FAILURE: |
78589e07 RS |
2514 | *error = "Can't activate menu"; |
2515 | case XM_IA_SELECT: | |
9f6fcdc5 JD |
2516 | entry = Qnil; |
2517 | break; | |
78589e07 | 2518 | case XM_NO_SELECT: |
be6ed24a RS |
2519 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2520 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2521 | if (! for_click) |
2522 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
2523 | entry = Qnil; |
2524 | break; | |
dcfdbac7 | 2525 | } |
a5285df3 | 2526 | |
af89e871 | 2527 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2528 | |
78589e07 | 2529 | return entry; |
dcfdbac7 | 2530 | } |
4dedbfe0 | 2531 | |
78589e07 | 2532 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2533 | |
2534 | #endif /* HAVE_MENUS */ | |
e3135734 | 2535 | |
b79b8a1c CY |
2536 | /* Detect if a dialog or menu has been posted. */ |
2537 | ||
2538 | int | |
971de7fb | 2539 | popup_activated (void) |
b79b8a1c CY |
2540 | { |
2541 | return popup_activated_flag; | |
2542 | } | |
e3135734 CY |
2543 | |
2544 | /* The following is used by delayed window autoselection. */ | |
2545 | ||
2546 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2547 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2548 | (void) |
e3135734 CY |
2549 | { |
2550 | #ifdef HAVE_MENUS | |
2551 | return (popup_activated ()) ? Qt : Qnil; | |
2552 | #else | |
2553 | return Qnil; | |
2554 | #endif /* HAVE_MENUS */ | |
2555 | } | |
088831f6 | 2556 | \f |
dfcf069d | 2557 | void |
971de7fb | 2558 | syms_of_xmenu (void) |
dcfdbac7 | 2559 | { |
d67b4f80 | 2560 | Qdebug_on_next_call = intern_c_string ("debug-on-next-call"); |
0314aacb RS |
2561 | staticpro (&Qdebug_on_next_call); |
2562 | ||
8ed87156 | 2563 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2564 | widget_id_tick = (1<<16); |
88766961 | 2565 | next_menubar_widget_id = 1; |
8ed87156 RS |
2566 | #endif |
2567 | ||
508fb067 | 2568 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2569 | |
2570 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2571 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2572 | Ffset (intern_c_string ("accelerate-menu"), |
2573 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2574 | #endif |
2575 | ||
1e659e4c | 2576 | #ifdef HAVE_MENUS |
165e1749 | 2577 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2578 | #endif |
dcfdbac7 | 2579 | } |
6b61353c KH |
2580 | |
2581 | /* arch-tag: 92ea573c-398e-496e-ac73-2436f7d63242 | |
2582 | (do not change this comment) */ |