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, |
5df4f04c | 3 | 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 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 |
5262c5c7 CY |
84 | #ifdef HAVE_XAW3D |
85 | #include <X11/Xaw3d/Paned.h> | |
86 | #else /* !HAVE_XAW3D */ | |
1d1c1567 | 87 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 88 | #endif /* HAVE_XAW3D */ |
5ee80bd3 | 89 | #endif /* USE_LUCID */ |
18686d47 | 90 | #include "../lwlib/lwlib.h" |
a352a815 | 91 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 | 92 | #ifndef USE_GTK |
a352a815 | 93 | #include "../oldXMenu/XMenu.h" |
488dd4c4 | 94 | #endif |
a352a815 RS |
95 | #endif /* not USE_X_TOOLKIT */ |
96 | #endif /* HAVE_X_WINDOWS */ | |
18686d47 | 97 | |
e7c9048f AS |
98 | #ifdef USE_GTK |
99 | #include "gtkutil.h" | |
100 | #endif | |
101 | ||
102 | #include "menu.h" | |
103 | ||
dcfdbac7 JB |
104 | #ifndef TRUE |
105 | #define TRUE 1 | |
106 | #define FALSE 0 | |
78589e07 | 107 | #endif /* no TRUE */ |
dcfdbac7 | 108 | |
0314aacb RS |
109 | Lisp_Object Qdebug_on_next_call; |
110 | ||
18686d47 | 111 | extern Lisp_Object Qmenu_bar; |
78589e07 | 112 | |
de57a39c | 113 | extern Lisp_Object QCtoggle, QCradio; |
8fbc986d | 114 | |
88766961 RS |
115 | extern Lisp_Object Voverriding_local_map; |
116 | extern Lisp_Object Voverriding_local_map_menu_flag; | |
117 | ||
118 | extern Lisp_Object Qoverriding_local_map, Qoverriding_terminal_local_map; | |
119 | ||
120 | extern Lisp_Object Qmenu_bar_update_hook; | |
121 | ||
18686d47 | 122 | #ifdef USE_X_TOOLKIT |
495ef86b | 123 | extern void set_frame_menubar P_ ((FRAME_PTR, int, int)); |
78589e07 RS |
124 | extern XtAppContext Xt_app_con; |
125 | ||
6a040d6a NR |
126 | static Lisp_Object xdialog_show P_ ((FRAME_PTR, int, Lisp_Object, Lisp_Object, |
127 | char **)); | |
495ef86b | 128 | static void popup_get_selection P_ ((XEvent *, struct x_display_info *, |
95bdef2e | 129 | LWLIB_ID, int)); |
488dd4c4 JD |
130 | #endif /* USE_X_TOOLKIT */ |
131 | ||
132 | #ifdef USE_GTK | |
495ef86b | 133 | extern void set_frame_menubar P_ ((FRAME_PTR, int, int)); |
6a040d6a NR |
134 | static Lisp_Object xdialog_show P_ ((FRAME_PTR, int, Lisp_Object, Lisp_Object, |
135 | char **)); | |
3427a3db GM |
136 | #endif |
137 | ||
f61a541b | 138 | static int update_frame_menubar P_ ((struct frame *)); |
78589e07 | 139 | \f |
4dedbfe0 | 140 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 141 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 142 | static int popup_activated_flag; |
4dedbfe0 | 143 | |
88766961 | 144 | static int next_menubar_widget_id; |
745c34fb | 145 | |
d142dd3d CY |
146 | /* For NS and NTGUI, these prototypes are defined in keyboard.h. */ |
147 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) | |
148 | extern widget_value *xmalloc_widget_value P_ ((void)); | |
149 | extern widget_value *digest_single_submenu P_ ((int, int, int)); | |
150 | #endif | |
151 | ||
a9be6839 RS |
152 | /* This is set nonzero after the user activates the menu bar, and set |
153 | to zero again after the menu bars are redisplayed by prepare_menu_bar. | |
154 | While it is nonzero, all calls to set_frame_menubar go deep. | |
155 | ||
156 | I don't understand why this is needed, but it does seem to be | |
157 | needed on Motif, according to Marcus Daniels <marcus@sysc.pdx.edu>. */ | |
158 | ||
159 | int pending_menu_activation; | |
bd3a4da2 | 160 | \f |
88766961 | 161 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 162 | |
7556890b | 163 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 164 | |
88766961 RS |
165 | static struct frame * |
166 | menubar_id_to_frame (id) | |
167 | LWLIB_ID id; | |
168 | { | |
169 | Lisp_Object tail, frame; | |
170 | FRAME_PTR f; | |
bd3a4da2 | 171 | |
8e50cc2d | 172 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
bd3a4da2 | 173 | { |
8e713be6 | 174 | frame = XCAR (tail); |
8e50cc2d | 175 | if (!FRAMEP (frame)) |
88766961 RS |
176 | continue; |
177 | f = XFRAME (frame); | |
2d764c78 | 178 | if (!FRAME_WINDOW_P (f)) |
88766961 | 179 | continue; |
7556890b | 180 | if (f->output_data.x->id == id) |
88766961 | 181 | return f; |
bd3a4da2 | 182 | } |
88766961 | 183 | return 0; |
bd3a4da2 | 184 | } |
88766961 RS |
185 | |
186 | #endif | |
4dedbfe0 | 187 | \f |
a894238b JD |
188 | #ifdef HAVE_X_WINDOWS |
189 | /* Return the mouse position in *X and *Y. The coordinates are window | |
190 | relative for the edit window in frame F. | |
191 | This is for Fx_popup_menu. The mouse_position_hook can not | |
192 | be used for X, as it returns window relative coordinates | |
193 | for the window where the mouse is in. This could be the menu bar, | |
194 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
195 | sure it is the edit window. */ | |
ef7417fd | 196 | void |
6b61353c | 197 | mouse_position_for_popup (f, x, y) |
a894238b JD |
198 | FRAME_PTR f; |
199 | int *x; | |
200 | int *y; | |
201 | { | |
202 | Window root, dummy_window; | |
203 | int dummy; | |
204 | ||
62af879c KL |
205 | if (! FRAME_X_P (f)) |
206 | abort (); | |
207 | ||
a894238b | 208 | BLOCK_INPUT; |
177c0ea7 | 209 | |
a894238b JD |
210 | XQueryPointer (FRAME_X_DISPLAY (f), |
211 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
212 | ||
213 | /* The root window which contains the pointer. */ | |
214 | &root, | |
215 | ||
216 | /* Window pointer is on, not used */ | |
217 | &dummy_window, | |
218 | ||
219 | /* The position on that root window. */ | |
220 | x, y, | |
221 | ||
222 | /* x/y in dummy_window coordinates, not used. */ | |
223 | &dummy, &dummy, | |
224 | ||
225 | /* Modifier keys and pointer buttons, about which | |
226 | we don't care. */ | |
227 | (unsigned int *) &dummy); | |
228 | ||
229 | UNBLOCK_INPUT; | |
230 | ||
231 | /* xmenu_show expects window coordinates, not root window | |
232 | coordinates. Translate. */ | |
9882535b KS |
233 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
234 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
235 | } |
236 | ||
237 | #endif /* HAVE_X_WINDOWS */ | |
238 | ||
1e659e4c RS |
239 | #ifdef HAVE_MENUS |
240 | ||
6a040d6a | 241 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 242 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
243 | POSITION specifies which frame to use. |
244 | This is normally a mouse button event or a window or frame. | |
245 | If POSITION is t, it means to use the frame the mouse is on. | |
246 | The dialog box appears in the middle of the specified frame. | |
247 | ||
248 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 249 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
250 | Each ITEM is a cons cell (STRING . VALUE). |
251 | The return value is VALUE from the chosen item. | |
252 | ||
253 | An ITEM may also be just a string--that makes a nonselectable item. | |
254 | An ITEM may also be nil--that means to put all preceding items | |
255 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
256 | \(By default, approximately half appear on each side.) |
257 | ||
6a040d6a NR |
258 | If HEADER is non-nil, the frame title for the box is "Information", |
259 | otherwise it is "Question". | |
260 | ||
c05fe5d5 LT |
261 | If the user gets rid of the dialog box without making a valid choice, |
262 | for instance using the window manager, then this produces a quit and | |
263 | `x-popup-dialog' does not return. */) | |
6a040d6a NR |
264 | (position, contents, header) |
265 | Lisp_Object position, contents, header; | |
165e1749 | 266 | { |
cc45fb40 | 267 | FRAME_PTR f = NULL; |
99fe880d | 268 | Lisp_Object window; |
165e1749 FP |
269 | |
270 | check_x (); | |
271 | ||
99fe880d | 272 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 273 | if (EQ (position, Qt) |
2b06561a DL |
274 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
275 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 276 | { |
b14db4d7 | 277 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 278 | /* Use the mouse's current position. */ |
b404828f | 279 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 280 | Lisp_Object bar_window; |
cc45fb40 | 281 | enum scroll_bar_part part; |
99fe880d RS |
282 | unsigned long time; |
283 | Lisp_Object x, y; | |
165e1749 | 284 | |
46b657e2 | 285 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 286 | |
99fe880d | 287 | if (new_f != 0) |
a39f0477 | 288 | XSETFRAME (window, new_f); |
99fe880d RS |
289 | else |
290 | window = selected_window; | |
b14db4d7 | 291 | #endif |
88d4f6ec | 292 | window = selected_window; |
99fe880d RS |
293 | } |
294 | else if (CONSP (position)) | |
295 | { | |
296 | Lisp_Object tem; | |
297 | tem = Fcar (position); | |
b5bb2705 | 298 | if (CONSP (tem)) |
99fe880d | 299 | window = Fcar (Fcdr (position)); |
80670155 RS |
300 | else |
301 | { | |
99fe880d RS |
302 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
303 | window = Fcar (tem); /* POSN_WINDOW (tem) */ | |
165e1749 | 304 | } |
165e1749 | 305 | } |
99fe880d RS |
306 | else if (WINDOWP (position) || FRAMEP (position)) |
307 | window = position; | |
a9be6839 RS |
308 | else |
309 | window = Qnil; | |
165e1749 | 310 | |
99fe880d | 311 | /* Decode where to put the menu. */ |
165e1749 | 312 | |
b5bb2705 | 313 | if (FRAMEP (window)) |
99fe880d | 314 | f = XFRAME (window); |
b5bb2705 | 315 | else if (WINDOWP (window)) |
165e1749 | 316 | { |
b7826503 | 317 | CHECK_LIVE_WINDOW (window); |
99fe880d | 318 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 319 | } |
99fe880d RS |
320 | else |
321 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
322 | but I don't want to make one now. */ | |
b7826503 | 323 | CHECK_WINDOW (window); |
165e1749 | 324 | |
a9e1244d EZ |
325 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
326 | error ("Can not put X dialog on this terminal"); | |
62af879c | 327 | |
5da9fdfa YM |
328 | /* Force a redisplay before showing the dialog. If a frame is created |
329 | just before showing the dialog, its contents may not have been fully | |
330 | drawn, as this depends on timing of events from the X server. Redisplay | |
331 | is not done when a dialog is shown. If redisplay could be done in the | |
332 | X event loop (i.e. the X event loop does not run in a signal handler) | |
333 | this would not be needed. | |
334 | ||
335 | Do this before creating the widget value that points to Lisp | |
336 | string contents, because Fredisplay may GC and relocate them. */ | |
337 | Fredisplay (Qt); | |
338 | ||
488dd4c4 | 339 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
340 | /* Display a menu with these alternatives |
341 | in the middle of frame F. */ | |
342 | { | |
343 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
344 | XSETFRAME (frame, f); |
345 | XSETINT (x, x_pixel_width (f) / 2); | |
346 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
347 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
348 | ||
349 | return Fx_popup_menu (newpos, | |
350 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
351 | } | |
352 | #else | |
353 | { | |
354 | Lisp_Object title; | |
355 | char *error_name; | |
356 | Lisp_Object selection; | |
86fad4ec | 357 | int specpdl_count = SPECPDL_INDEX (); |
165e1749 | 358 | |
99fe880d RS |
359 | /* Decode the dialog items from what was specified. */ |
360 | title = Fcar (contents); | |
b7826503 | 361 | CHECK_STRING (title); |
86fad4ec | 362 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 363 | |
6b61353c KH |
364 | if (NILP (Fcar (Fcdr (contents)))) |
365 | /* No buttons specified, add an "Ok" button so users can pop down | |
366 | the dialog. Also, the lesstif/motif version crashes if there are | |
367 | no buttons. */ | |
368 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 369 | |
99fe880d | 370 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 371 | |
99fe880d RS |
372 | /* Display them in a dialog box. */ |
373 | BLOCK_INPUT; | |
6a040d6a | 374 | selection = xdialog_show (f, 0, title, header, &error_name); |
99fe880d | 375 | UNBLOCK_INPUT; |
165e1749 | 376 | |
86fad4ec | 377 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
378 | discard_menu_items (); |
379 | ||
380 | if (error_name) error (error_name); | |
381 | return selection; | |
382 | } | |
7464b131 | 383 | #endif |
392d3f4b | 384 | } |
c3438661 JD |
385 | |
386 | ||
387 | #ifndef MSDOS | |
388 | ||
b3935289 JD |
389 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
390 | ||
391 | void | |
392 | x_menu_set_in_use (in_use) | |
393 | int in_use; | |
394 | { | |
395 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 396 | popup_activated_flag = in_use; |
98a20c65 CY |
397 | #ifdef USE_X_TOOLKIT |
398 | if (popup_activated_flag) | |
399 | x_activate_timeout_atimer (); | |
400 | #endif | |
b3935289 JD |
401 | } |
402 | ||
c3438661 JD |
403 | /* Wait for an X event to arrive or for a timer to expire. */ |
404 | ||
b3935289 | 405 | void |
c3438661 JD |
406 | x_menu_wait_for_event (void *data) |
407 | { | |
c3438661 JD |
408 | /* Another way to do this is to register a timer callback, that can be |
409 | done in GTK and Xt. But we have to do it like this when using only X | |
410 | anyway, and with callbacks we would have three variants for timer handling | |
411 | instead of the small ifdefs below. */ | |
412 | ||
413 | while ( | |
414 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 415 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
416 | #elif defined USE_GTK |
417 | ! gtk_events_pending () | |
418 | #else | |
419 | ! XPending ((Display*) data) | |
420 | #endif | |
421 | ) | |
422 | { | |
e90292a9 | 423 | EMACS_TIME next_time = timer_check (1), *ntp; |
c3438661 JD |
424 | long secs = EMACS_SECS (next_time); |
425 | long usecs = EMACS_USECS (next_time); | |
426 | SELECT_TYPE read_fds; | |
427 | struct x_display_info *dpyinfo; | |
428 | int n = 0; | |
429 | ||
430 | FD_ZERO (&read_fds); | |
431 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
432 | { | |
433 | int fd = ConnectionNumber (dpyinfo->display); | |
434 | FD_SET (fd, &read_fds); | |
435 | if (fd > n) n = fd; | |
11814156 | 436 | XFlush (dpyinfo->display); |
c3438661 JD |
437 | } |
438 | ||
e90292a9 JD |
439 | if (secs < 0 && usecs < 0) |
440 | ntp = 0; | |
441 | else | |
442 | ntp = &next_time; | |
c3438661 | 443 | |
e90292a9 | 444 | select (n + 1, &read_fds, (SELECT_TYPE *)0, (SELECT_TYPE *)0, ntp); |
c3438661 JD |
445 | } |
446 | } | |
447 | #endif /* ! MSDOS */ | |
448 | ||
78589e07 | 449 | \f |
488dd4c4 | 450 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 451 | |
f1d1cd24 JD |
452 | #ifdef USE_X_TOOLKIT |
453 | ||
4dedbfe0 | 454 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 455 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
456 | and x-popup-dialog; it is not used for the menu bar. |
457 | ||
2e2b8e22 | 458 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 459 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 460 | |
f02cac82 | 461 | static void |
95bdef2e | 462 | popup_get_selection (initial_event, dpyinfo, id, do_timers) |
4dedbfe0 | 463 | XEvent *initial_event; |
aa669def | 464 | struct x_display_info *dpyinfo; |
2e2b8e22 | 465 | LWLIB_ID id; |
df470e3b | 466 | int do_timers; |
78589e07 | 467 | { |
4dedbfe0 | 468 | XEvent event; |
f02cac82 | 469 | |
8b806a85 JD |
470 | while (popup_activated_flag) |
471 | { | |
c0b0f54b | 472 | if (initial_event) |
8b806a85 JD |
473 | { |
474 | event = *initial_event; | |
475 | initial_event = 0; | |
476 | } | |
477 | else | |
c3438661 JD |
478 | { |
479 | if (do_timers) x_menu_wait_for_event (0); | |
480 | XtAppNextEvent (Xt_app_con, &event); | |
481 | } | |
78589e07 | 482 | |
10624005 | 483 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
484 | And make sure to deactivate for any ButtonRelease, |
485 | even if XtDispatchEvent doesn't do that. */ | |
486 | if (event.type == ButtonRelease | |
487 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
488 | { |
489 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 490 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
491 | Btn1Down seems the only way to convince Motif to |
492 | activate its callbacks; setting the XmNmenuPost | |
493 | isn't working. --marcus@sysc.pdx.edu. */ | |
494 | event.xbutton.button = 1; | |
495 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
496 | key is pressed and the button is released. So reset key state | |
497 | so Motif thinks this is the case. */ | |
498 | event.xbutton.state = 0; | |
c8b5aa3d | 499 | #endif |
10624005 | 500 | } |
33385c6f | 501 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 502 | else if (event.type == KeyPress |
10624005 | 503 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
504 | { |
505 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 506 | |
33385c6f JD |
507 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
508 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 509 | popup_activated_flag = 0; |
8b806a85 | 510 | } |
177c0ea7 | 511 | |
8b806a85 | 512 | x_dispatch_event (&event, event.xany.display); |
aa669def | 513 | } |
78589e07 RS |
514 | } |
515 | ||
12b6af5c | 516 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
517 | doc: /* Start key navigation of the menu bar in FRAME. |
518 | This initially opens the first menu bar item and you can then navigate with the | |
519 | arrow keys, select a menu entry with the return key or cancel with the | |
520 | escape key. If FRAME has no menu bar this function does nothing. | |
521 | ||
522 | If FRAME is nil or not given, use the selected frame. */) | |
523 | (frame) | |
524 | Lisp_Object frame; | |
525 | { | |
526 | XEvent ev; | |
527 | FRAME_PTR f = check_x_frame (frame); | |
528 | Widget menubar; | |
529 | BLOCK_INPUT; | |
530 | ||
531 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
532 | set_frame_menubar (f, 0, 1); | |
533 | ||
534 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
535 | if (menubar) | |
536 | { | |
537 | Window child; | |
538 | int error_p = 0; | |
539 | ||
540 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
541 | memset (&ev, 0, sizeof ev); | |
542 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
543 | ev.xbutton.window = XtWindow (menubar); | |
544 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
545 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
546 | ev.xbutton.button = Button1; | |
547 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
548 | ev.xbutton.same_screen = True; | |
549 | ||
550 | #ifdef USE_MOTIF | |
551 | { | |
552 | Arg al[2]; | |
553 | WidgetList list; | |
554 | Cardinal nr; | |
555 | XtSetArg (al[0], XtNchildren, &list); | |
556 | XtSetArg (al[1], XtNnumChildren, &nr); | |
557 | XtGetValues (menubar, al, 2); | |
558 | ev.xbutton.window = XtWindow (list[0]); | |
559 | } | |
560 | #endif | |
561 | ||
562 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
563 | /* From-window, to-window. */ | |
564 | ev.xbutton.window, ev.xbutton.root, | |
565 | ||
566 | /* From-position, to-position. */ | |
567 | ev.xbutton.x, ev.xbutton.y, | |
568 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
569 | ||
570 | /* Child of win. */ | |
571 | &child); | |
572 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
573 | x_uncatch_errors (); | |
574 | ||
575 | if (! error_p) | |
576 | { | |
577 | ev.type = ButtonPress; | |
578 | ev.xbutton.state = 0; | |
579 | ||
580 | XtDispatchEvent (&ev); | |
581 | ev.xbutton.type = ButtonRelease; | |
582 | ev.xbutton.state = Button1Mask; | |
583 | XtDispatchEvent (&ev); | |
584 | } | |
585 | } | |
586 | ||
587 | UNBLOCK_INPUT; | |
57d671b4 AS |
588 | |
589 | return Qnil; | |
22badffe | 590 | } |
488dd4c4 JD |
591 | #endif /* USE_X_TOOLKIT */ |
592 | ||
22badffe | 593 | |
488dd4c4 | 594 | #ifdef USE_GTK |
12b6af5c | 595 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
596 | doc: /* Start key navigation of the menu bar in FRAME. |
597 | This initially opens the first menu bar item and you can then navigate with the | |
598 | arrow keys, select a menu entry with the return key or cancel with the | |
599 | escape key. If FRAME has no menu bar this function does nothing. | |
600 | ||
601 | If FRAME is nil or not given, use the selected frame. */) | |
602 | (frame) | |
603 | Lisp_Object frame; | |
604 | { | |
605 | GtkWidget *menubar; | |
8630721e CY |
606 | FRAME_PTR f; |
607 | ||
718aeeb8 CY |
608 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
609 | BLOCK_INPUT. */ | |
610 | ||
22badffe | 611 | BLOCK_INPUT; |
8630721e | 612 | f = check_x_frame (frame); |
22badffe JD |
613 | |
614 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
615 | set_frame_menubar (f, 0, 1); | |
616 | ||
617 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
618 | if (menubar) | |
619 | { | |
620 | /* Activate the first menu. */ | |
621 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
622 | ||
32d46135 JD |
623 | if (children) |
624 | { | |
625 | g_signal_emit_by_name (children->data, "activate_item"); | |
626 | popup_activated_flag = 1; | |
627 | g_list_free (children); | |
628 | } | |
22badffe JD |
629 | } |
630 | UNBLOCK_INPUT; | |
631 | ||
632 | return Qnil; | |
633 | } | |
634 | ||
488dd4c4 JD |
635 | /* Loop util popup_activated_flag is set to zero in a callback. |
636 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 637 | |
488dd4c4 | 638 | static void |
f1d1cd24 | 639 | popup_widget_loop (do_timers, widget) |
c3438661 | 640 | int do_timers; |
f1d1cd24 | 641 | GtkWidget *widget; |
488dd4c4 JD |
642 | { |
643 | ++popup_activated_flag; | |
644 | ||
645 | /* Process events in the Gtk event loop until done. */ | |
646 | while (popup_activated_flag) | |
647 | { | |
c3438661 | 648 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
649 | gtk_main_iteration (); |
650 | } | |
651 | } | |
652 | #endif | |
653 | ||
88766961 RS |
654 | /* Activate the menu bar of frame F. |
655 | This is called from keyboard.c when it gets the | |
3b8f9651 | 656 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
657 | |
658 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 659 | that was saved in saved_menu_event. |
88766961 RS |
660 | That makes the toolkit do its thing. |
661 | ||
662 | But first we recompute the menu bar contents (the whole tree). | |
663 | ||
664 | The reason for saving the button event until here, instead of | |
665 | passing it to the toolkit right away, is that we can safely | |
666 | execute Lisp code. */ | |
177c0ea7 | 667 | |
dfcf069d | 668 | void |
88766961 RS |
669 | x_activate_menubar (f) |
670 | FRAME_PTR f; | |
671 | { | |
62af879c KL |
672 | if (! FRAME_X_P (f)) |
673 | abort (); | |
674 | ||
ac78b144 | 675 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
676 | return; |
677 | ||
177c0ea7 | 678 | #ifdef USE_GTK |
6b61353c KH |
679 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
680 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
681 | return; |
682 | #endif | |
177c0ea7 | 683 | |
a9be6839 | 684 | set_frame_menubar (f, 0, 1); |
88766961 | 685 | BLOCK_INPUT; |
488dd4c4 JD |
686 | #ifdef USE_GTK |
687 | XPutBackEvent (f->output_data.x->display_info->display, | |
688 | f->output_data.x->saved_menu_event); | |
689 | popup_activated_flag = 1; | |
690 | #else | |
86fad4ec | 691 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 692 | #endif |
88766961 | 693 | UNBLOCK_INPUT; |
a9be6839 | 694 | #ifdef USE_MOTIF |
745c34fb RS |
695 | if (f->output_data.x->saved_menu_event->type == ButtonRelease) |
696 | pending_menu_activation = 1; | |
a9be6839 | 697 | #endif |
177c0ea7 | 698 | |
88766961 | 699 | /* Ignore this if we get it a second time. */ |
ac78b144 | 700 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
701 | } |
702 | ||
4dedbfe0 PR |
703 | /* This callback is invoked when the user selects a menubar cascade |
704 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 705 | |
488dd4c4 | 706 | #ifndef USE_GTK |
78589e07 | 707 | static void |
4dedbfe0 | 708 | popup_activate_callback (widget, id, client_data) |
78589e07 RS |
709 | Widget widget; |
710 | LWLIB_ID id; | |
711 | XtPointer client_data; | |
712 | { | |
4dedbfe0 | 713 | popup_activated_flag = 1; |
98a20c65 CY |
714 | #ifdef USE_X_TOOLKIT |
715 | x_activate_timeout_atimer (); | |
716 | #endif | |
7555d825 | 717 | } |
488dd4c4 | 718 | #endif |
7555d825 GM |
719 | |
720 | /* This callback is invoked when a dialog or menu is finished being | |
721 | used and has been unposted. */ | |
722 | ||
488dd4c4 JD |
723 | #ifdef USE_GTK |
724 | static void | |
725 | popup_deactivate_callback (widget, client_data) | |
726 | GtkWidget *widget; | |
727 | gpointer client_data; | |
728 | { | |
729 | popup_activated_flag = 0; | |
730 | } | |
731 | #else | |
7555d825 GM |
732 | static void |
733 | popup_deactivate_callback (widget, id, client_data) | |
734 | Widget widget; | |
735 | LWLIB_ID id; | |
736 | XtPointer client_data; | |
737 | { | |
7555d825 | 738 | popup_activated_flag = 0; |
78589e07 | 739 | } |
488dd4c4 | 740 | #endif |
78589e07 | 741 | |
850df50b | 742 | |
488dd4c4 JD |
743 | /* Function that finds the frame for WIDGET and shows the HELP text |
744 | for that widget. | |
745 | F is the frame if known, or NULL if not known. */ | |
746 | static void | |
747 | show_help_event (f, widget, help) | |
748 | FRAME_PTR f; | |
749 | xt_or_gtk_widget widget; | |
750 | Lisp_Object help; | |
850df50b | 751 | { |
488dd4c4 | 752 | Lisp_Object frame; |
850df50b | 753 | |
850df50b | 754 | if (f) |
9cd50434 GM |
755 | { |
756 | XSETFRAME (frame, f); | |
757 | kbd_buffer_store_help_event (frame, help); | |
758 | } | |
850df50b GM |
759 | else |
760 | { | |
6b61353c | 761 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 762 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 763 | widget. See which frame that is. */ |
488dd4c4 | 764 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
765 | Lisp_Object tail; |
766 | ||
8e50cc2d | 767 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
768 | { |
769 | frame = XCAR (tail); | |
8e50cc2d | 770 | if (FRAMEP (frame) |
850df50b GM |
771 | && (f = XFRAME (frame), |
772 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
773 | break; | |
774 | } | |
6b61353c | 775 | #endif |
9cd50434 GM |
776 | show_help_echo (help, Qnil, Qnil, Qnil, 1); |
777 | } | |
850df50b GM |
778 | } |
779 | ||
488dd4c4 JD |
780 | /* Callback called when menu items are highlighted/unhighlighted |
781 | while moving the mouse over them. WIDGET is the menu bar or menu | |
782 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
783 | the data structure for the menu item, or null in case of | |
784 | unhighlighting. */ | |
4dedbfe0 | 785 | |
488dd4c4 JD |
786 | #ifdef USE_GTK |
787 | void | |
788 | menu_highlight_callback (widget, call_data) | |
789 | GtkWidget *widget; | |
790 | gpointer call_data; | |
791 | { | |
792 | xg_menu_item_cb_data *cb_data; | |
793 | Lisp_Object help; | |
177c0ea7 | 794 | |
488dd4c4 JD |
795 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
796 | XG_ITEM_DATA); | |
797 | if (! cb_data) return; | |
798 | ||
799 | help = call_data ? cb_data->help : Qnil; | |
800 | ||
801 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
802 | Don't show help for them, they won't appear before the | |
803 | popup is popped down. */ | |
804 | if (popup_activated_flag <= 1) | |
805 | show_help_event (cb_data->cl_data->f, widget, help); | |
806 | } | |
807 | #else | |
808 | void | |
809 | menu_highlight_callback (widget, id, call_data) | |
78589e07 RS |
810 | Widget widget; |
811 | LWLIB_ID id; | |
488dd4c4 JD |
812 | void *call_data; |
813 | { | |
814 | struct frame *f; | |
815 | Lisp_Object help; | |
816 | ||
817 | widget_value *wv = (widget_value *) call_data; | |
818 | ||
819 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 820 | |
488dd4c4 JD |
821 | /* Determine the frame for the help event. */ |
822 | f = menubar_id_to_frame (id); | |
823 | ||
824 | show_help_event (f, widget, help); | |
825 | } | |
826 | #endif | |
827 | ||
488dd4c4 JD |
828 | #ifdef USE_GTK |
829 | /* Gtk calls callbacks just because we tell it what item should be | |
830 | selected in a radio group. If this variable is set to a non-zero | |
831 | value, we are creating menus and don't want callbacks right now. | |
832 | */ | |
833 | static int xg_crazy_callback_abort; | |
834 | ||
835 | /* This callback is called from the menu bar pulldown menu | |
836 | when the user makes a selection. | |
837 | Figure out what the user chose | |
838 | and put the appropriate events into the keyboard buffer. */ | |
839 | static void | |
840 | menubar_selection_callback (widget, client_data) | |
841 | GtkWidget *widget; | |
842 | gpointer client_data; | |
843 | { | |
844 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
845 | ||
846 | if (xg_crazy_callback_abort) | |
847 | return; | |
848 | ||
849 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
850 | return; | |
851 | ||
b79c8219 JD |
852 | /* For a group of radio buttons, GTK calls the selection callback first |
853 | for the item that was active before the selection and then for the one that | |
854 | is active after the selection. For C-h k this means we get the help on | |
855 | the deselected item and then the selected item is executed. Prevent that | |
856 | by ignoring the non-active item. */ | |
857 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
858 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
859 | return; | |
860 | ||
81f09877 JD |
861 | /* When a menu is popped down, X generates a focus event (i.e. focus |
862 | goes back to the frame below the menu). Since GTK buffers events, | |
863 | we force it out here before the menu selection event. Otherwise | |
864 | sit-for will exit at once if the focus event follows the menu selection | |
865 | event. */ | |
866 | ||
867 | BLOCK_INPUT; | |
868 | while (gtk_events_pending ()) | |
869 | gtk_main_iteration (); | |
870 | UNBLOCK_INPUT; | |
871 | ||
488dd4c4 JD |
872 | find_and_call_menu_selection (cb_data->cl_data->f, |
873 | cb_data->cl_data->menu_bar_items_used, | |
874 | cb_data->cl_data->menu_bar_vector, | |
875 | cb_data->call_data); | |
876 | } | |
877 | ||
878 | #else /* not USE_GTK */ | |
879 | ||
880 | /* This callback is called from the menu bar pulldown menu | |
881 | when the user makes a selection. | |
882 | Figure out what the user chose | |
883 | and put the appropriate events into the keyboard buffer. */ | |
884 | static void | |
885 | menubar_selection_callback (widget, id, client_data) | |
886 | Widget widget; | |
887 | LWLIB_ID id; | |
888 | XtPointer client_data; | |
889 | { | |
890 | FRAME_PTR f; | |
891 | ||
892 | f = menubar_id_to_frame (id); | |
893 | if (!f) | |
894 | return; | |
895 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
896 | f->menu_bar_vector, client_data); | |
897 | } | |
898 | #endif /* not USE_GTK */ | |
f61a541b GM |
899 | \f |
900 | /* Recompute all the widgets of frame F, when the menu bar has been | |
901 | changed. Value is non-zero if widgets were updated. */ | |
902 | ||
903 | static int | |
6af6cbb5 | 904 | update_frame_menubar (f) |
18686d47 RS |
905 | FRAME_PTR f; |
906 | { | |
488dd4c4 JD |
907 | #ifdef USE_GTK |
908 | return xg_update_frame_menubar (f); | |
909 | #else | |
62af879c | 910 | struct x_output *x; |
cffa74ea | 911 | int columns, rows; |
177c0ea7 | 912 | |
62af879c KL |
913 | if (! FRAME_X_P (f)) |
914 | abort (); | |
915 | ||
916 | x = f->output_data.x; | |
917 | ||
f61a541b GM |
918 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
919 | return 0; | |
18686d47 RS |
920 | |
921 | BLOCK_INPUT; | |
f61a541b GM |
922 | /* Save the size of the frame because the pane widget doesn't accept |
923 | to resize itself. So force it. */ | |
9882535b KS |
924 | columns = FRAME_COLS (f); |
925 | rows = FRAME_LINES (f); | |
cffa74ea | 926 | |
f61a541b GM |
927 | /* Do the voodoo which means "I'm changing lots of things, don't try |
928 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 929 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 930 | |
f61a541b GM |
931 | /* The order in which children are managed is the top to bottom |
932 | order in which they are displayed in the paned window. First, | |
933 | remove the text-area widget. */ | |
18686d47 RS |
934 | XtUnmanageChild (x->edit_widget); |
935 | ||
f61a541b GM |
936 | /* Remove the menubar that is there now, and put up the menubar that |
937 | should be there. */ | |
938 | XtManageChild (x->menubar_widget); | |
939 | XtMapWidget (x->menubar_widget); | |
940 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 941 | |
c98fcf4b | 942 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 943 | XtManageChild (x->edit_widget); |
4dedbfe0 | 944 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
945 | |
946 | /* Force the pane widget to resize itself with the right values. */ | |
947 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
18686d47 | 948 | UNBLOCK_INPUT; |
488dd4c4 | 949 | #endif |
f61a541b | 950 | return 1; |
18686d47 RS |
951 | } |
952 | ||
4bcdbab1 KH |
953 | /* Set the contents of the menubar widgets of frame F. |
954 | The argument FIRST_TIME is currently ignored; | |
955 | it is set the first time this is called, from initialize_frame_menubar. */ | |
956 | ||
18686d47 | 957 | void |
88766961 | 958 | set_frame_menubar (f, first_time, deep_p) |
18686d47 | 959 | FRAME_PTR f; |
706aa2f2 | 960 | int first_time; |
88766961 | 961 | int deep_p; |
18686d47 | 962 | { |
62af879c | 963 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
964 | #ifdef USE_X_TOOLKIT |
965 | LWLIB_ID id; | |
966 | #endif | |
faa935b6 | 967 | Lisp_Object items; |
4d19cb8e | 968 | widget_value *wv, *first_wv, *prev_wv = 0; |
1806714a | 969 | int i, last_i = 0; |
ced89c24 | 970 | int *submenu_start, *submenu_end; |
37dc84ff | 971 | int *submenu_top_level_items, *submenu_n_panes; |
cc45fb40 | 972 | |
62af879c KL |
973 | if (! FRAME_X_P (f)) |
974 | abort (); | |
975 | ||
976 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 977 | |
bfc524bc RS |
978 | XSETFRAME (Vmenu_updating_frame, f); |
979 | ||
488dd4c4 | 980 | #ifdef USE_X_TOOLKIT |
7556890b RS |
981 | if (f->output_data.x->id == 0) |
982 | f->output_data.x->id = next_menubar_widget_id++; | |
983 | id = f->output_data.x->id; | |
488dd4c4 | 984 | #endif |
177c0ea7 | 985 | |
88766961 RS |
986 | if (! menubar_widget) |
987 | deep_p = 1; | |
745c34fb | 988 | else if (pending_menu_activation && !deep_p) |
a9be6839 RS |
989 | deep_p = 1; |
990 | /* Make the first call for any given frame always go deep. */ | |
991 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
992 | { |
993 | deep_p = 1; | |
a9be6839 RS |
994 | f->output_data.x->saved_menu_event = (XEvent*)xmalloc (sizeof (XEvent)); |
995 | f->output_data.x->saved_menu_event->type = 0; | |
745c34fb | 996 | } |
18686d47 | 997 | |
6b61353c KH |
998 | #ifdef USE_GTK |
999 | /* If we have detached menus, we must update deep so detached menus | |
1000 | also gets updated. */ | |
1001 | deep_p = deep_p || xg_have_tear_offs (); | |
1002 | #endif | |
1003 | ||
88766961 | 1004 | if (deep_p) |
18686d47 | 1005 | { |
88766961 RS |
1006 | /* Make a widget-value tree representing the entire menu trees. */ |
1007 | ||
1008 | struct buffer *prev = current_buffer; | |
1009 | Lisp_Object buffer; | |
aed13378 | 1010 | int specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
1011 | int previous_menu_items_used = f->menu_bar_items_used; |
1012 | Lisp_Object *previous_items | |
1013 | = (Lisp_Object *) alloca (previous_menu_items_used | |
1014 | * sizeof (Lisp_Object)); | |
1015 | ||
0b1cf399 RS |
1016 | /* If we are making a new widget, its contents are empty, |
1017 | do always reinitialize them. */ | |
1018 | if (! menubar_widget) | |
1019 | previous_menu_items_used = 0; | |
1020 | ||
88766961 RS |
1021 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
1022 | specbind (Qinhibit_quit, Qt); | |
1023 | /* Don't let the debugger step into this code | |
1024 | because it is not reentrant. */ | |
1025 | specbind (Qdebug_on_next_call, Qnil); | |
1026 | ||
89f2614d | 1027 | record_unwind_save_match_data (); |
88766961 RS |
1028 | if (NILP (Voverriding_local_map_menu_flag)) |
1029 | { | |
1030 | specbind (Qoverriding_terminal_local_map, Qnil); | |
1031 | specbind (Qoverriding_local_map, Qnil); | |
1032 | } | |
18686d47 | 1033 | |
88766961 | 1034 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 1035 | |
88766961 | 1036 | /* Run the Lucid hook. */ |
950eaee7 | 1037 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 1038 | |
88766961 RS |
1039 | /* If it has changed current-menubar from previous value, |
1040 | really recompute the menubar from the value. */ | |
1041 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
1042 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 1043 | safe_run_hooks (Qmenu_bar_update_hook); |
88766961 | 1044 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
18686d47 | 1045 | |
88766961 | 1046 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1047 | |
88766961 | 1048 | /* Save the frame's previous menu bar contents data. */ |
86c04183 GM |
1049 | if (previous_menu_items_used) |
1050 | bcopy (XVECTOR (f->menu_bar_vector)->contents, previous_items, | |
1051 | previous_menu_items_used * sizeof (Lisp_Object)); | |
8d8a3494 | 1052 | |
ced89c24 RS |
1053 | /* Fill in menu_items with the current menu bar contents. |
1054 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1055 | save_menu_items (); |
1056 | ||
88766961 | 1057 | menu_items = f->menu_bar_vector; |
86c04183 | 1058 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
ced89c24 RS |
1059 | submenu_start = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); |
1060 | submenu_end = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
37dc84ff | 1061 | submenu_n_panes = (int *) alloca (XVECTOR (items)->size * sizeof (int)); |
ced89c24 RS |
1062 | submenu_top_level_items |
1063 | = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
88766961 | 1064 | init_menu_items (); |
f04366cb | 1065 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1066 | { |
1067 | Lisp_Object key, string, maps; | |
1068 | ||
ced89c24 RS |
1069 | last_i = i; |
1070 | ||
88766961 RS |
1071 | key = XVECTOR (items)->contents[i]; |
1072 | string = XVECTOR (items)->contents[i + 1]; | |
1073 | maps = XVECTOR (items)->contents[i + 2]; | |
1074 | if (NILP (string)) | |
1075 | break; | |
1076 | ||
ced89c24 RS |
1077 | submenu_start[i] = menu_items_used; |
1078 | ||
1079 | menu_items_n_panes = 0; | |
1080 | submenu_top_level_items[i] | |
1081 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1082 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1083 | |
1084 | submenu_end[i] = menu_items_used; | |
1085 | } | |
1086 | ||
1087 | finish_menu_items (); | |
1088 | ||
1089 | /* Convert menu_items into widget_value trees | |
1090 | to display the menu. This cannot evaluate Lisp code. */ | |
1091 | ||
1092 | wv = xmalloc_widget_value (); | |
1093 | wv->name = "menubar"; | |
1094 | wv->value = 0; | |
1095 | wv->enabled = 1; | |
1096 | wv->button_type = BUTTON_TYPE_NONE; | |
1097 | wv->help = Qnil; | |
1098 | first_wv = wv; | |
1099 | ||
1100 | for (i = 0; i < last_i; i += 4) | |
1101 | { | |
37dc84ff | 1102 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1103 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1104 | submenu_top_level_items[i]); | |
177c0ea7 | 1105 | if (prev_wv) |
88766961 RS |
1106 | prev_wv->next = wv; |
1107 | else | |
1108 | first_wv->contents = wv; | |
1109 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1110 | wv->enabled = 1; | |
3427a3db | 1111 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1112 | prev_wv = wv; |
1113 | } | |
1114 | ||
88766961 | 1115 | set_buffer_internal_1 (prev); |
8d8a3494 | 1116 | |
88766961 RS |
1117 | /* If there has been no change in the Lisp-level contents |
1118 | of the menu bar, skip redisplaying it. Just exit. */ | |
1119 | ||
510d5bf6 | 1120 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1121 | for (i = 0; i < previous_menu_items_used; i++) |
1122 | if (menu_items_used == i | |
99d3fac7 | 1123 | || (!EQ (previous_items[i], XVECTOR (menu_items)->contents[i]))) |
88766961 | 1124 | break; |
62555c22 | 1125 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1126 | { |
510d5bf6 RS |
1127 | /* The menu items have not changed. Don't bother updating |
1128 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1129 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1130 | discard_menu_items (); |
1fc4d463 | 1131 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1132 | return; |
1133 | } | |
1134 | ||
510d5bf6 | 1135 | /* The menu items are different, so store them in the frame. */ |
1fc4d463 RS |
1136 | f->menu_bar_vector = menu_items; |
1137 | f->menu_bar_items_used = menu_items_used; | |
1138 | ||
bf732638 | 1139 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1140 | unbind_to (specpdl_count, Qnil); |
1141 | ||
88766961 RS |
1142 | /* Now GC cannot happen during the lifetime of the widget_value, |
1143 | so it's safe to store data from a Lisp_String. */ | |
1144 | wv = first_wv->contents; | |
f04366cb | 1145 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1146 | { |
1147 | Lisp_Object string; | |
1148 | string = XVECTOR (items)->contents[i + 1]; | |
1149 | if (NILP (string)) | |
2bf436c3 | 1150 | break; |
ec867797 | 1151 | wv->name = (char *) SDATA (string); |
2bf436c3 JD |
1152 | update_submenu_strings (wv->contents); |
1153 | wv = wv->next; | |
88766961 RS |
1154 | } |
1155 | ||
4d19cb8e | 1156 | } |
88766961 RS |
1157 | else |
1158 | { | |
1159 | /* Make a widget-value tree containing | |
1160 | just the top level menu bar strings. */ | |
4d19cb8e | 1161 | |
ced89c24 RS |
1162 | wv = xmalloc_widget_value (); |
1163 | wv->name = "menubar"; | |
1164 | wv->value = 0; | |
1165 | wv->enabled = 1; | |
1166 | wv->button_type = BUTTON_TYPE_NONE; | |
1167 | wv->help = Qnil; | |
1168 | first_wv = wv; | |
1169 | ||
88766961 | 1170 | items = FRAME_MENU_BAR_ITEMS (f); |
f04366cb | 1171 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1172 | { |
1173 | Lisp_Object string; | |
1174 | ||
1175 | string = XVECTOR (items)->contents[i + 1]; | |
1176 | if (NILP (string)) | |
1177 | break; | |
1178 | ||
f7fab165 | 1179 | wv = xmalloc_widget_value (); |
d5db4077 | 1180 | wv->name = (char *) SDATA (string); |
88766961 RS |
1181 | wv->value = 0; |
1182 | wv->enabled = 1; | |
3427a3db | 1183 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1184 | wv->help = Qnil; |
fe8fa62f RS |
1185 | /* This prevents lwlib from assuming this |
1186 | menu item is really supposed to be empty. */ | |
1187 | /* The EMACS_INT cast avoids a warning. | |
1188 | This value just has to be different from small integers. */ | |
1189 | wv->call_data = (void *) (EMACS_INT) (-1); | |
88766961 | 1190 | |
177c0ea7 | 1191 | if (prev_wv) |
88766961 RS |
1192 | prev_wv->next = wv; |
1193 | else | |
1194 | first_wv->contents = wv; | |
1195 | prev_wv = wv; | |
1196 | } | |
62555c22 RS |
1197 | |
1198 | /* Forget what we thought we knew about what is in the | |
1199 | detailed contents of the menu bar menus. | |
1200 | Changing the top level always destroys the contents. */ | |
1201 | f->menu_bar_items_used = 0; | |
88766961 | 1202 | } |
4dedbfe0 | 1203 | |
88766961 | 1204 | /* Create or update the menu bar widget. */ |
aa669def RS |
1205 | |
1206 | BLOCK_INPUT; | |
1207 | ||
488dd4c4 JD |
1208 | #ifdef USE_GTK |
1209 | xg_crazy_callback_abort = 1; | |
1210 | if (menubar_widget) | |
1211 | { | |
6b61353c | 1212 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1213 | menu trees we supply, rather than just the menu bar item names. */ |
1214 | xg_modify_menubar_widgets (menubar_widget, | |
1215 | f, | |
1216 | first_wv, | |
1217 | deep_p, | |
1218 | G_CALLBACK (menubar_selection_callback), | |
1219 | G_CALLBACK (popup_deactivate_callback), | |
1220 | G_CALLBACK (menu_highlight_callback)); | |
1221 | } | |
1222 | else | |
1223 | { | |
1224 | GtkWidget *wvbox = f->output_data.x->vbox_widget; | |
177c0ea7 | 1225 | |
488dd4c4 | 1226 | menubar_widget |
177c0ea7 | 1227 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1228 | G_CALLBACK (menubar_selection_callback), |
1229 | G_CALLBACK (popup_deactivate_callback), | |
1230 | G_CALLBACK (menu_highlight_callback)); | |
1231 | ||
1232 | f->output_data.x->menubar_widget = menubar_widget; | |
1233 | } | |
1234 | ||
177c0ea7 | 1235 | |
488dd4c4 | 1236 | #else /* not USE_GTK */ |
18686d47 | 1237 | if (menubar_widget) |
4dedbfe0 PR |
1238 | { |
1239 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1240 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1241 | |
1242 | /* The third arg is DEEP_P, which says to consider the entire | |
1243 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1244 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1245 | |
c98fcf4b | 1246 | /* Re-enable the edit widget to resize. */ |
7556890b | 1247 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1248 | } |
18686d47 RS |
1249 | else |
1250 | { | |
9f6fcdc5 JD |
1251 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1252 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1253 | ||
177c0ea7 | 1254 | menubar_widget = lw_create_widget ("menubar", "menubar", id, first_wv, |
7556890b | 1255 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1256 | 0, |
1257 | popup_activate_callback, | |
1258 | menubar_selection_callback, | |
850df50b GM |
1259 | popup_deactivate_callback, |
1260 | menu_highlight_callback); | |
7556890b | 1261 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1262 | |
1263 | /* Make menu pop down on C-g. */ | |
1264 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1265 | } |
1d1c1567 KH |
1266 | |
1267 | { | |
177c0ea7 | 1268 | int menubar_size |
7556890b RS |
1269 | = (f->output_data.x->menubar_widget |
1270 | ? (f->output_data.x->menubar_widget->core.height | |
1271 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1272 | : 0); |
1273 | ||
5c646d5a JD |
1274 | #if 1 /* Experimentally, we now get the right results |
1275 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1276 | Maybe so, but the menu bar size is missing the pixels so the | |
1277 | WM size hints are off by theses pixel. Jan D, oct 2009. */ | |
5ee80bd3 | 1278 | #ifdef USE_LUCID |
1d1c1567 KH |
1279 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1280 | { | |
1281 | Dimension ibw = 0; | |
7556890b | 1282 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1283 | XtNinternalBorderWidth, &ibw, NULL); |
1284 | menubar_size += ibw; | |
1285 | } | |
5ee80bd3 | 1286 | #endif /* USE_LUCID */ |
5c646d5a | 1287 | #endif /* 1 */ |
1d1c1567 | 1288 | |
7556890b | 1289 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1290 | } |
488dd4c4 | 1291 | #endif /* not USE_GTK */ |
177c0ea7 | 1292 | |
18686d47 | 1293 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1294 | update_frame_menubar (f); |
18686d47 | 1295 | |
488dd4c4 JD |
1296 | #ifdef USE_GTK |
1297 | xg_crazy_callback_abort = 0; | |
1298 | #endif | |
1299 | ||
18686d47 RS |
1300 | UNBLOCK_INPUT; |
1301 | } | |
85f487d1 | 1302 | |
8e6208c5 | 1303 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1304 | before it is mapped, so that the window is mapped with the menubar already |
1305 | there instead of us tacking it on later and thrashing the window after it | |
1306 | is visible. */ | |
1307 | ||
1308 | void | |
1309 | initialize_frame_menubar (f) | |
1310 | FRAME_PTR f; | |
1311 | { | |
1312 | /* This function is called before the first chance to redisplay | |
1313 | the frame. It has to be, so the frame will have the right size. */ | |
1314 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); | |
88766961 | 1315 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1316 | } |
1317 | ||
aba25348 | 1318 | |
4dedbfe0 | 1319 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1320 | This is used when deleting a frame, and when turning off the menu bar. |
1321 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1322 | |
488dd4c4 | 1323 | #ifndef USE_GTK |
85f487d1 FP |
1324 | void |
1325 | free_frame_menubar (f) | |
1326 | FRAME_PTR f; | |
1327 | { | |
1328 | Widget menubar_widget; | |
85f487d1 | 1329 | |
62af879c KL |
1330 | if (! FRAME_X_P (f)) |
1331 | abort (); | |
1332 | ||
7556890b | 1333 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1334 | |
1335 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1336 | |
85f487d1 FP |
1337 | if (menubar_widget) |
1338 | { | |
aba25348 GM |
1339 | #ifdef USE_MOTIF |
1340 | /* Removing the menu bar magically changes the shell widget's x | |
1341 | and y position of (0, 0) which, when the menu bar is turned | |
1342 | on again, leads to pull-down menuss appearing in strange | |
1343 | positions near the upper-left corner of the display. This | |
1344 | happens only with some window managers like twm and ctwm, | |
1345 | but not with other like Motif's mwm or kwm, because the | |
1346 | latter generate ConfigureNotify events when the menu bar | |
1347 | is switched off, which fixes the shell position. */ | |
1348 | Position x0, y0, x1, y1; | |
1349 | #endif | |
177c0ea7 | 1350 | |
85f487d1 | 1351 | BLOCK_INPUT; |
aba25348 GM |
1352 | |
1353 | #ifdef USE_MOTIF | |
ae556422 GM |
1354 | if (f->output_data.x->widget) |
1355 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1356 | #endif |
177c0ea7 | 1357 | |
7556890b | 1358 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1359 | f->output_data.x->menubar_widget = NULL; |
aba25348 GM |
1360 | |
1361 | #ifdef USE_MOTIF | |
ae556422 GM |
1362 | if (f->output_data.x->widget) |
1363 | { | |
1364 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); | |
1365 | if (x1 == 0 && y1 == 0) | |
1366 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
1367 | } | |
aba25348 | 1368 | #endif |
177c0ea7 | 1369 | |
85f487d1 FP |
1370 | UNBLOCK_INPUT; |
1371 | } | |
1372 | } | |
488dd4c4 | 1373 | #endif /* not USE_GTK */ |
78589e07 | 1374 | |
488dd4c4 | 1375 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1376 | \f |
1377 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1378 | and returns the value selected from it. | |
1379 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1380 | Both assume input is blocked by the caller. */ | |
1381 | ||
1382 | /* F is the frame the menu is for. | |
1383 | X and Y are the frame-relative specified position, | |
1384 | relative to the inside upper left corner of the frame F. | |
c8b5aa3d | 1385 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
78589e07 RS |
1386 | KEYMAPS is 1 if this menu was specified with keymaps; |
1387 | in that case, we return a list containing the chosen item's value | |
1388 | and perhaps also the pane's prefix. | |
1389 | TITLE is the specified menu title. | |
1390 | ERROR is a place to store an error message string in case of failure. | |
1391 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1392 | |
488dd4c4 JD |
1393 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1394 | ||
1395 | /* The item selected in the popup menu. */ | |
1396 | static Lisp_Object *volatile menu_item_selection; | |
1397 | ||
1398 | #ifdef USE_GTK | |
1399 | ||
1400 | /* Used when position a popup menu. See menu_position_func and | |
1401 | create_and_show_popup_menu below. */ | |
1402 | struct next_popup_x_y | |
1403 | { | |
7b76ca1c | 1404 | FRAME_PTR f; |
488dd4c4 JD |
1405 | int x; |
1406 | int y; | |
1407 | }; | |
1408 | ||
1409 | /* The menu position function to use if we are not putting a popup | |
1410 | menu where the pointer is. | |
1411 | MENU is the menu to pop up. | |
1412 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1413 | PUSH_IN is not documented in the GTK manual. | |
1414 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1415 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1416 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1417 | |
1418 | Here only X and Y are used. */ | |
1419 | static void | |
1420 | menu_position_func (menu, x, y, push_in, user_data) | |
1421 | GtkMenu *menu; | |
1422 | gint *x; | |
1423 | gint *y; | |
1424 | gboolean *push_in; | |
1425 | gpointer user_data; | |
1426 | { | |
7b76ca1c JD |
1427 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1428 | GtkRequisition req; | |
fd2f80c6 CY |
1429 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1430 | int disp_width = x_display_pixel_width (dpyinfo); | |
1431 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1432 | |
7b76ca1c JD |
1433 | *x = data->x; |
1434 | *y = data->y; | |
1435 | ||
1436 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1437 | the menu is fully visible. */ | |
1438 | gtk_widget_size_request (GTK_WIDGET (menu), &req); | |
1439 | if (data->x + req.width > disp_width) | |
1440 | *x -= data->x + req.width - disp_width; | |
1441 | if (data->y + req.height > disp_height) | |
1442 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1443 | } |
1444 | ||
1445 | static void | |
1446 | popup_selection_callback (widget, client_data) | |
1447 | GtkWidget *widget; | |
1448 | gpointer client_data; | |
1449 | { | |
1450 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1451 | ||
1452 | if (xg_crazy_callback_abort) return; | |
1453 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1454 | } | |
1455 | ||
af89e871 | 1456 | static Lisp_Object |
a130b901 JD |
1457 | pop_down_menu (arg) |
1458 | Lisp_Object arg; | |
af89e871 | 1459 | { |
a130b901 JD |
1460 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1461 | ||
af89e871 | 1462 | popup_activated_flag = 0; |
a130b901 JD |
1463 | BLOCK_INPUT; |
1464 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); | |
1465 | UNBLOCK_INPUT; | |
af89e871 JD |
1466 | return Qnil; |
1467 | } | |
1468 | ||
488dd4c4 JD |
1469 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1470 | menu pops down. | |
1471 | menu_item_selection will be set to the selection. */ | |
1472 | static void | |
a20903d0 | 1473 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp) |
488dd4c4 JD |
1474 | FRAME_PTR f; |
1475 | widget_value *first_wv; | |
1476 | int x; | |
1477 | int y; | |
1478 | int for_click; | |
a20903d0 | 1479 | EMACS_UINT timestamp; |
488dd4c4 JD |
1480 | { |
1481 | int i; | |
1482 | GtkWidget *menu; | |
1483 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1484 | struct next_popup_x_y popup_x_y; | |
af89e871 | 1485 | int specpdl_count = SPECPDL_INDEX (); |
488dd4c4 | 1486 | |
62af879c KL |
1487 | if (! FRAME_X_P (f)) |
1488 | abort (); | |
1489 | ||
488dd4c4 JD |
1490 | xg_crazy_callback_abort = 1; |
1491 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1492 | G_CALLBACK (popup_selection_callback), | |
1493 | G_CALLBACK (popup_deactivate_callback), | |
1494 | G_CALLBACK (menu_highlight_callback)); | |
1495 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1496 | |
488dd4c4 JD |
1497 | if (! for_click) |
1498 | { | |
1499 | /* Not invoked by a click. pop up at x/y. */ | |
1500 | pos_func = menu_position_func; | |
1501 | ||
1502 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1503 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1504 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1505 | |
1506 | popup_x_y.x = x; | |
1507 | popup_x_y.y = y; | |
7b76ca1c | 1508 | popup_x_y.f = f; |
488dd4c4 | 1509 | |
9b85e63d JD |
1510 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1511 | } | |
1512 | else | |
1513 | { | |
1514 | for (i = 0; i < 5; i++) | |
1515 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1516 | break; | |
1517 | } | |
59cfb104 | 1518 | |
488dd4c4 JD |
1519 | /* Display the menu. */ |
1520 | gtk_widget_show_all (menu); | |
c0df13a6 | 1521 | |
a20903d0 | 1522 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
eb99095d | 1523 | timestamp > 0 ? timestamp : gtk_get_current_event_time()); |
177c0ea7 | 1524 | |
a130b901 | 1525 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1526 | |
ff18668f JD |
1527 | if (GTK_WIDGET_MAPPED (menu)) |
1528 | { | |
1529 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1530 | two. show_help_echo uses this to detect popup menus. */ | |
1531 | popup_activated_flag = 1; | |
1532 | /* Process events that apply to the menu. */ | |
1533 | popup_widget_loop (1, menu); | |
1534 | } | |
488dd4c4 | 1535 | |
af89e871 | 1536 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1537 | |
488dd4c4 JD |
1538 | /* Must reset this manually because the button release event is not passed |
1539 | to Emacs event loop. */ | |
1540 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1541 | } | |
1542 | ||
1543 | #else /* not USE_GTK */ | |
18686d47 | 1544 | |
8ed87156 | 1545 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1546 | library. |
1547 | ||
1548 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1549 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1550 | |
88766961 RS |
1551 | For menu bars, we use numbers starting at 0, counted in |
1552 | next_menubar_widget_id. */ | |
8ed87156 | 1553 | LWLIB_ID widget_id_tick; |
165e1749 | 1554 | |
4dedbfe0 PR |
1555 | static void |
1556 | popup_selection_callback (widget, id, client_data) | |
1557 | Widget widget; | |
1558 | LWLIB_ID id; | |
1559 | XtPointer client_data; | |
1560 | { | |
1561 | menu_item_selection = (Lisp_Object *) client_data; | |
1562 | } | |
1563 | ||
af89e871 JD |
1564 | /* ARG is the LWLIB ID of the dialog box, represented |
1565 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1566 | ||
1567 | static Lisp_Object | |
1568 | pop_down_menu (arg) | |
1569 | Lisp_Object arg; | |
1570 | { | |
1571 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1572 | | XINT (XCDR (arg))); | |
1573 | ||
1574 | BLOCK_INPUT; | |
1575 | lw_destroy_all_widgets (id); | |
1576 | UNBLOCK_INPUT; | |
1577 | popup_activated_flag = 0; | |
1578 | ||
1579 | return Qnil; | |
1580 | } | |
1581 | ||
488dd4c4 JD |
1582 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1583 | menu pops down. | |
1584 | menu_item_selection will be set to the selection. */ | |
1585 | static void | |
a20903d0 | 1586 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp) |
488dd4c4 JD |
1587 | FRAME_PTR f; |
1588 | widget_value *first_wv; | |
1589 | int x; | |
1590 | int y; | |
1591 | int for_click; | |
a20903d0 | 1592 | EMACS_UINT timestamp; |
488dd4c4 JD |
1593 | { |
1594 | int i; | |
1595 | Arg av[2]; | |
1596 | int ac = 0; | |
1597 | XButtonPressedEvent dummy; | |
1598 | LWLIB_ID menu_id; | |
1599 | Widget menu; | |
488dd4c4 | 1600 | |
62af879c KL |
1601 | if (! FRAME_X_P (f)) |
1602 | abort (); | |
1603 | ||
488dd4c4 JD |
1604 | menu_id = widget_id_tick++; |
1605 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1606 | f->output_data.x->widget, 1, 0, | |
1607 | popup_selection_callback, | |
1608 | popup_deactivate_callback, | |
1609 | menu_highlight_callback); | |
1610 | ||
1611 | dummy.type = ButtonPress; | |
1612 | dummy.serial = 0; | |
1613 | dummy.send_event = 0; | |
1614 | dummy.display = FRAME_X_DISPLAY (f); | |
1615 | dummy.time = CurrentTime; | |
1616 | dummy.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1617 | dummy.window = dummy.root; | |
1618 | dummy.subwindow = dummy.root; | |
1619 | dummy.x = x; | |
1620 | dummy.y = y; | |
1621 | ||
1622 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1623 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1624 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1625 | |
1626 | dummy.x_root = x; | |
1627 | dummy.y_root = y; | |
1628 | ||
1629 | dummy.state = 0; | |
1630 | dummy.button = 0; | |
1631 | for (i = 0; i < 5; i++) | |
1632 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1633 | dummy.button = i; | |
1634 | ||
1635 | /* Don't allow any geometry request from the user. */ | |
1636 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1637 | XtSetValues (menu, av, ac); | |
1638 | ||
1639 | /* Display the menu. */ | |
1640 | lw_popup_menu (menu, (XEvent *) &dummy); | |
1641 | popup_activated_flag = 1; | |
98a20c65 | 1642 | x_activate_timeout_atimer (); |
59cfb104 | 1643 | |
af89e871 JD |
1644 | { |
1645 | int fact = 4 * sizeof (LWLIB_ID); | |
1646 | int specpdl_count = SPECPDL_INDEX (); | |
1647 | record_unwind_protect (pop_down_menu, | |
1648 | Fcons (make_number (menu_id >> (fact)), | |
1649 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1650 | |
af89e871 | 1651 | /* Process events that apply to the menu. */ |
95bdef2e | 1652 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1653 | |
af89e871 JD |
1654 | unbind_to (specpdl_count, Qnil); |
1655 | } | |
488dd4c4 JD |
1656 | } |
1657 | ||
1658 | #endif /* not USE_GTK */ | |
1659 | ||
ef7417fd SM |
1660 | Lisp_Object |
1661 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, | |
1662 | Lisp_Object title, char **error, EMACS_UINT timestamp) | |
18686d47 | 1663 | { |
78589e07 | 1664 | int i; |
78589e07 | 1665 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 RS |
1666 | widget_value **submenu_stack |
1667 | = (widget_value **) alloca (menu_items_used * sizeof (widget_value *)); | |
1668 | Lisp_Object *subprefix_stack | |
1669 | = (Lisp_Object *) alloca (menu_items_used * sizeof (Lisp_Object)); | |
1670 | int submenu_depth = 0; | |
4e8d3549 | 1671 | |
78c8278d RS |
1672 | int first_pane; |
1673 | ||
62af879c KL |
1674 | if (! FRAME_X_P (f)) |
1675 | abort (); | |
1676 | ||
78589e07 RS |
1677 | *error = NULL; |
1678 | ||
742f715d KH |
1679 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1680 | { | |
1681 | *error = "Empty menu"; | |
1682 | return Qnil; | |
1683 | } | |
63c414df | 1684 | |
78589e07 RS |
1685 | /* Create a tree of widget_value objects |
1686 | representing the panes and their items. */ | |
f7fab165 | 1687 | wv = xmalloc_widget_value (); |
78589e07 RS |
1688 | wv->name = "menu"; |
1689 | wv->value = 0; | |
1690 | wv->enabled = 1; | |
3427a3db | 1691 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1692 | wv->help =Qnil; |
78589e07 | 1693 | first_wv = wv; |
78c8278d | 1694 | first_pane = 1; |
177c0ea7 | 1695 | |
78589e07 RS |
1696 | /* Loop over all panes and items, filling in the tree. */ |
1697 | i = 0; | |
1698 | while (i < menu_items_used) | |
1699 | { | |
101bb4a5 RS |
1700 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1701 | { | |
1702 | submenu_stack[submenu_depth++] = save_wv; | |
1703 | save_wv = prev_wv; | |
1704 | prev_wv = 0; | |
78c8278d | 1705 | first_pane = 1; |
101bb4a5 RS |
1706 | i++; |
1707 | } | |
1708 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1709 | { | |
1710 | prev_wv = save_wv; | |
1711 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1712 | first_pane = 0; |
101bb4a5 RS |
1713 | i++; |
1714 | } | |
1715 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt) | |
1716 | && submenu_depth != 0) | |
1717 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1718 | /* Ignore a nil in the item list. |
1719 | It's meaningful only for dialog boxes. */ | |
1720 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1721 | i += 1; | |
101bb4a5 | 1722 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
78589e07 RS |
1723 | { |
1724 | /* Create a new pane. */ | |
1725 | Lisp_Object pane_name, prefix; | |
1726 | char *pane_string; | |
177c0ea7 | 1727 | |
4c329aa8 GM |
1728 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1729 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1730 | |
703dc2a8 | 1731 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1732 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1733 | { | |
8af9fa55 | 1734 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1735 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1736 | } |
703dc2a8 | 1737 | #endif |
78589e07 | 1738 | pane_string = (NILP (pane_name) |
d5db4077 | 1739 | ? "" : (char *) SDATA (pane_name)); |
101bb4a5 | 1740 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1741 | under the top-level menu. */ |
1742 | if (menu_items_n_panes == 1) | |
1743 | pane_string = ""; | |
1744 | ||
1745 | /* If the pane has a meaningful name, | |
1746 | make the pane a top-level menu item | |
1747 | with its items as a submenu beneath it. */ | |
78c8278d | 1748 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1749 | { |
f7fab165 | 1750 | wv = xmalloc_widget_value (); |
78589e07 RS |
1751 | if (save_wv) |
1752 | save_wv->next = wv; | |
1753 | else | |
1754 | first_wv->contents = wv; | |
1755 | wv->name = pane_string; | |
1756 | if (keymaps && !NILP (prefix)) | |
1757 | wv->name++; | |
1758 | wv->value = 0; | |
1759 | wv->enabled = 1; | |
3427a3db | 1760 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1761 | wv->help = Qnil; |
78c8278d RS |
1762 | save_wv = wv; |
1763 | prev_wv = 0; | |
78589e07 | 1764 | } |
78c8278d RS |
1765 | else if (first_pane) |
1766 | { | |
1767 | save_wv = wv; | |
1768 | prev_wv = 0; | |
1769 | } | |
1770 | first_pane = 0; | |
78589e07 RS |
1771 | i += MENU_ITEMS_PANE_LENGTH; |
1772 | } | |
1773 | else | |
1774 | { | |
1775 | /* Create a new item within current pane. */ | |
9cd50434 | 1776 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1777 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1778 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1779 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1780 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1781 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1782 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1783 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1784 | |
703dc2a8 | 1785 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1786 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1787 | { |
646f98ec | 1788 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1789 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1790 | } |
177c0ea7 | 1791 | |
3427a3db | 1792 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1793 | { |
646f98ec | 1794 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1795 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1796 | } |
1797 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1798 | |
f7fab165 | 1799 | wv = xmalloc_widget_value (); |
177c0ea7 | 1800 | if (prev_wv) |
78589e07 | 1801 | prev_wv->next = wv; |
177c0ea7 | 1802 | else |
78589e07 | 1803 | save_wv->contents = wv; |
d5db4077 | 1804 | wv->name = (char *) SDATA (item_name); |
78589e07 | 1805 | if (!NILP (descrip)) |
d5db4077 | 1806 | wv->key = (char *) SDATA (descrip); |
78589e07 | 1807 | wv->value = 0; |
a352a815 RS |
1808 | /* If this item has a null value, |
1809 | make the call_data null so that it won't display a box | |
1810 | when the mouse is on it. */ | |
1811 | wv->call_data | |
1812 | = (!NILP (def) ? (void *) &XVECTOR (menu_items)->contents[i] : 0); | |
78589e07 | 1813 | wv->enabled = !NILP (enable); |
3427a3db GM |
1814 | |
1815 | if (NILP (type)) | |
1816 | wv->button_type = BUTTON_TYPE_NONE; | |
1817 | else if (EQ (type, QCtoggle)) | |
1818 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1819 | else if (EQ (type, QCradio)) | |
1820 | wv->button_type = BUTTON_TYPE_RADIO; | |
1821 | else | |
1822 | abort (); | |
1823 | ||
1824 | wv->selected = !NILP (selected); | |
cc45fb40 | 1825 | |
0b1f4572 RS |
1826 | if (! STRINGP (help)) |
1827 | help = Qnil; | |
1828 | ||
1829 | wv->help = help; | |
cc45fb40 | 1830 | |
78589e07 RS |
1831 | prev_wv = wv; |
1832 | ||
1833 | i += MENU_ITEMS_ITEM_LENGTH; | |
1834 | } | |
1835 | } | |
1836 | ||
c98fcf4b | 1837 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1838 | if (!NILP (title)) |
1839 | { | |
f7fab165 RS |
1840 | widget_value *wv_title = xmalloc_widget_value (); |
1841 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1842 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1843 | |
1844 | wv_sep2->name = "--"; | |
1845 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1846 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1847 | |
1848 | wv_sep1->name = "--"; | |
1849 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1850 | wv_sep1->help = Qnil; |
4dedbfe0 | 1851 | |
703dc2a8 KH |
1852 | #ifndef HAVE_MULTILINGUAL_MENU |
1853 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1854 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1855 | #endif |
177c0ea7 | 1856 | |
d5db4077 | 1857 | wv_title->name = (char *) SDATA (title); |
cc45fb40 | 1858 | wv_title->enabled = TRUE; |
3427a3db | 1859 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1860 | wv_title->help = Qnil; |
a9d8395f | 1861 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1862 | first_wv->contents = wv_title; |
1863 | } | |
1864 | ||
78589e07 RS |
1865 | /* No selection has been chosen yet. */ |
1866 | menu_item_selection = 0; | |
1867 | ||
488dd4c4 | 1868 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1869 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1870 | |
488dd4c4 JD |
1871 | /* Free the widget_value objects we used to specify the contents. */ |
1872 | free_menubar_widget_value_tree (first_wv); | |
18686d47 | 1873 | |
78589e07 RS |
1874 | /* Find the selected item, and its pane, to return |
1875 | the proper value. */ | |
1876 | if (menu_item_selection != 0) | |
1877 | { | |
c63f6952 | 1878 | Lisp_Object prefix, entry; |
78589e07 | 1879 | |
6bbd7a29 | 1880 | prefix = entry = Qnil; |
78589e07 RS |
1881 | i = 0; |
1882 | while (i < menu_items_used) | |
1883 | { | |
101bb4a5 RS |
1884 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1885 | { | |
1886 | subprefix_stack[submenu_depth++] = prefix; | |
1887 | prefix = entry; | |
1888 | i++; | |
1889 | } | |
1890 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1891 | { | |
1892 | prefix = subprefix_stack[--submenu_depth]; | |
1893 | i++; | |
1894 | } | |
1895 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
78589e07 RS |
1896 | { |
1897 | prefix | |
1898 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
1899 | i += MENU_ITEMS_PANE_LENGTH; | |
1900 | } | |
d31d42cc RS |
1901 | /* Ignore a nil in the item list. |
1902 | It's meaningful only for dialog boxes. */ | |
1903 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1904 | i += 1; | |
78589e07 RS |
1905 | else |
1906 | { | |
1907 | entry | |
1908 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
1909 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
1910 | { | |
1911 | if (keymaps != 0) | |
1912 | { | |
101bb4a5 RS |
1913 | int j; |
1914 | ||
78589e07 RS |
1915 | entry = Fcons (entry, Qnil); |
1916 | if (!NILP (prefix)) | |
1917 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1918 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1919 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1920 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1921 | } |
1922 | return entry; | |
1923 | } | |
1924 | i += MENU_ITEMS_ITEM_LENGTH; | |
1925 | } | |
1926 | } | |
1927 | } | |
be6ed24a RS |
1928 | else if (!for_click) |
1929 | /* Make "Cancel" equivalent to C-g. */ | |
1930 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1931 | |
1932 | return Qnil; | |
18686d47 | 1933 | } |
4dedbfe0 | 1934 | \f |
488dd4c4 JD |
1935 | #ifdef USE_GTK |
1936 | static void | |
1937 | dialog_selection_callback (widget, client_data) | |
1938 | GtkWidget *widget; | |
1939 | gpointer client_data; | |
1940 | { | |
1941 | /* The EMACS_INT cast avoids a warning. There's no problem | |
1942 | as long as pointers have enough bits to hold small integers. */ | |
1943 | if ((int) (EMACS_INT) client_data != -1) | |
1944 | menu_item_selection = (Lisp_Object *) client_data; | |
1945 | ||
1946 | popup_activated_flag = 0; | |
1947 | } | |
1948 | ||
1949 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1950 | dialog pops down. | |
1951 | menu_item_selection will be set to the selection. */ | |
1952 | static void | |
1953 | create_and_show_dialog (f, first_wv) | |
1954 | FRAME_PTR f; | |
1955 | widget_value *first_wv; | |
1956 | { | |
1957 | GtkWidget *menu; | |
1958 | ||
62af879c KL |
1959 | if (! FRAME_X_P (f)) |
1960 | abort (); | |
1961 | ||
488dd4c4 JD |
1962 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1963 | G_CALLBACK (dialog_selection_callback), | |
1964 | G_CALLBACK (popup_deactivate_callback), | |
1965 | 0); | |
1966 | ||
1967 | if (menu) | |
1968 | { | |
af89e871 | 1969 | int specpdl_count = SPECPDL_INDEX (); |
a130b901 | 1970 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1971 | |
488dd4c4 JD |
1972 | /* Display the menu. */ |
1973 | gtk_widget_show_all (menu); | |
1974 | ||
1975 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1976 | popup_widget_loop (1, menu); |
177c0ea7 | 1977 | |
af89e871 | 1978 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1979 | } |
1980 | } | |
1981 | ||
1982 | #else /* not USE_GTK */ | |
4dedbfe0 PR |
1983 | static void |
1984 | dialog_selection_callback (widget, id, client_data) | |
1985 | Widget widget; | |
1986 | LWLIB_ID id; | |
1987 | XtPointer client_data; | |
1988 | { | |
01d5e892 RS |
1989 | /* The EMACS_INT cast avoids a warning. There's no problem |
1990 | as long as pointers have enough bits to hold small integers. */ | |
1991 | if ((int) (EMACS_INT) client_data != -1) | |
4dedbfe0 | 1992 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1993 | |
4dedbfe0 PR |
1994 | BLOCK_INPUT; |
1995 | lw_destroy_all_widgets (id); | |
1996 | UNBLOCK_INPUT; | |
9572375b | 1997 | popup_activated_flag = 0; |
4dedbfe0 | 1998 | } |
18686d47 | 1999 | |
488dd4c4 | 2000 | |
488dd4c4 JD |
2001 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
2002 | dialog pops down. | |
2003 | menu_item_selection will be set to the selection. */ | |
2004 | static void | |
2005 | create_and_show_dialog (f, first_wv) | |
2006 | FRAME_PTR f; | |
2007 | widget_value *first_wv; | |
2008 | { | |
2009 | LWLIB_ID dialog_id; | |
2010 | ||
62af879c KL |
2011 | if (!FRAME_X_P (f)) |
2012 | abort(); | |
2013 | ||
488dd4c4 JD |
2014 | dialog_id = widget_id_tick++; |
2015 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, | |
2016 | f->output_data.x->widget, 1, 0, | |
2017 | dialog_selection_callback, 0, 0); | |
2018 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
2019 | ||
2020 | /* Display the dialog box. */ | |
2021 | lw_pop_up_all_widgets (dialog_id); | |
2022 | popup_activated_flag = 1; | |
98a20c65 | 2023 | x_activate_timeout_atimer (); |
488dd4c4 JD |
2024 | |
2025 | /* Process events that apply to the dialog box. | |
2026 | Also handle timers. */ | |
2027 | { | |
2028 | int count = SPECPDL_INDEX (); | |
2029 | int fact = 4 * sizeof (LWLIB_ID); | |
177c0ea7 | 2030 | |
488dd4c4 | 2031 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 2032 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
2033 | Fcons (make_number (dialog_id >> (fact)), |
2034 | make_number (dialog_id & ~(-1 << (fact))))); | |
2035 | ||
df470e3b | 2036 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 2037 | dialog_id, 1); |
488dd4c4 JD |
2038 | |
2039 | unbind_to (count, Qnil); | |
2040 | } | |
2041 | } | |
2042 | ||
2043 | #endif /* not USE_GTK */ | |
2044 | ||
165e1749 FP |
2045 | static char * button_names [] = { |
2046 | "button1", "button2", "button3", "button4", "button5", | |
2047 | "button6", "button7", "button8", "button9", "button10" }; | |
2048 | ||
2049 | static Lisp_Object | |
6a040d6a | 2050 | xdialog_show (f, keymaps, title, header, error_name) |
165e1749 | 2051 | FRAME_PTR f; |
165e1749 | 2052 | int keymaps; |
6a040d6a NR |
2053 | Lisp_Object title, header; |
2054 | char **error_name; | |
165e1749 FP |
2055 | { |
2056 | int i, nb_buttons=0; | |
80670155 | 2057 | char dialog_name[6]; |
165e1749 | 2058 | |
faa935b6 | 2059 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 2060 | |
fcaa7665 RS |
2061 | /* Number of elements seen so far, before boundary. */ |
2062 | int left_count = 0; | |
2063 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
2064 | int boundary_seen = 0; | |
2065 | ||
62af879c KL |
2066 | if (! FRAME_X_P (f)) |
2067 | abort (); | |
2068 | ||
6a040d6a | 2069 | *error_name = NULL; |
165e1749 | 2070 | |
80670155 RS |
2071 | if (menu_items_n_panes > 1) |
2072 | { | |
6a040d6a | 2073 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2074 | return Qnil; |
2075 | } | |
2076 | ||
165e1749 FP |
2077 | /* Create a tree of widget_value objects |
2078 | representing the text label and buttons. */ | |
2079 | { | |
2080 | Lisp_Object pane_name, prefix; | |
2081 | char *pane_string; | |
2082 | pane_name = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME]; | |
2083 | prefix = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_PREFIX]; | |
2084 | pane_string = (NILP (pane_name) | |
177c0ea7 | 2085 | ? "" : (char *) SDATA (pane_name)); |
f7fab165 | 2086 | prev_wv = xmalloc_widget_value (); |
165e1749 FP |
2087 | prev_wv->value = pane_string; |
2088 | if (keymaps && !NILP (prefix)) | |
2089 | prev_wv->name++; | |
2090 | prev_wv->enabled = 1; | |
2091 | prev_wv->name = "message"; | |
27ad7b52 | 2092 | prev_wv->help = Qnil; |
165e1749 | 2093 | first_wv = prev_wv; |
177c0ea7 | 2094 | |
165e1749 FP |
2095 | /* Loop over all panes and items, filling in the tree. */ |
2096 | i = MENU_ITEMS_PANE_LENGTH; | |
2097 | while (i < menu_items_used) | |
2098 | { | |
177c0ea7 | 2099 | |
165e1749 FP |
2100 | /* Create a new item within current pane. */ |
2101 | Lisp_Object item_name, enable, descrip; | |
2102 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2103 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2104 | descrip | |
2105 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
177c0ea7 | 2106 | |
80670155 RS |
2107 | if (NILP (item_name)) |
2108 | { | |
2109 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2110 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2111 | return Qnil; |
2112 | } | |
fcaa7665 RS |
2113 | if (EQ (item_name, Qquote)) |
2114 | { | |
2115 | /* This is the boundary between left-side elts | |
2116 | and right-side elts. Stop incrementing right_count. */ | |
2117 | boundary_seen = 1; | |
2118 | i++; | |
2119 | continue; | |
2120 | } | |
86e71abf | 2121 | if (nb_buttons >= 9) |
80670155 RS |
2122 | { |
2123 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2124 | *error_name = "Too many dialog items"; |
80670155 RS |
2125 | return Qnil; |
2126 | } | |
2127 | ||
f7fab165 | 2128 | wv = xmalloc_widget_value (); |
165e1749 | 2129 | prev_wv->next = wv; |
80670155 | 2130 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2131 | if (!NILP (descrip)) |
d5db4077 KR |
2132 | wv->key = (char *) SDATA (descrip); |
2133 | wv->value = (char *) SDATA (item_name); | |
165e1749 FP |
2134 | wv->call_data = (void *) &XVECTOR (menu_items)->contents[i]; |
2135 | wv->enabled = !NILP (enable); | |
27ad7b52 | 2136 | wv->help = Qnil; |
165e1749 FP |
2137 | prev_wv = wv; |
2138 | ||
fcaa7665 RS |
2139 | if (! boundary_seen) |
2140 | left_count++; | |
2141 | ||
165e1749 FP |
2142 | nb_buttons++; |
2143 | i += MENU_ITEMS_ITEM_LENGTH; | |
2144 | } | |
2145 | ||
fcaa7665 RS |
2146 | /* If the boundary was not specified, |
2147 | by default put half on the left and half on the right. */ | |
2148 | if (! boundary_seen) | |
2149 | left_count = nb_buttons - nb_buttons / 2; | |
2150 | ||
f7fab165 | 2151 | wv = xmalloc_widget_value (); |
80670155 | 2152 | wv->name = dialog_name; |
27ad7b52 | 2153 | wv->help = Qnil; |
6a040d6a NR |
2154 | |
2155 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2156 | Can also have 'E' = Error if, one day, we want | |
2157 | a popup for errors. */ | |
2158 | if (NILP(header)) | |
2159 | dialog_name[0] = 'Q'; | |
2160 | else | |
2161 | dialog_name[0] = 'I'; | |
2162 | ||
80670155 RS |
2163 | /* Dialog boxes use a really stupid name encoding |
2164 | which specifies how many buttons to use | |
6a040d6a | 2165 | and how many buttons are on the right. */ |
80670155 RS |
2166 | dialog_name[1] = '0' + nb_buttons; |
2167 | dialog_name[2] = 'B'; | |
2168 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2169 | /* Number of buttons to put on the right. */ |
2170 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2171 | dialog_name[5] = 0; |
165e1749 FP |
2172 | wv->contents = first_wv; |
2173 | first_wv = wv; | |
165e1749 FP |
2174 | } |
2175 | ||
165e1749 FP |
2176 | /* No selection has been chosen yet. */ |
2177 | menu_item_selection = 0; | |
2178 | ||
488dd4c4 JD |
2179 | /* Actually create and show the dialog. */ |
2180 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2181 | |
488dd4c4 JD |
2182 | /* Free the widget_value objects we used to specify the contents. */ |
2183 | free_menubar_widget_value_tree (first_wv); | |
177c0ea7 | 2184 | |
488dd4c4 JD |
2185 | /* Find the selected item, and its pane, to return |
2186 | the proper value. */ | |
165e1749 FP |
2187 | if (menu_item_selection != 0) |
2188 | { | |
2189 | Lisp_Object prefix; | |
2190 | ||
2191 | prefix = Qnil; | |
2192 | i = 0; | |
2193 | while (i < menu_items_used) | |
2194 | { | |
2195 | Lisp_Object entry; | |
2196 | ||
2197 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
2198 | { | |
2199 | prefix | |
2200 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2201 | i += MENU_ITEMS_PANE_LENGTH; | |
2202 | } | |
85996cfb GM |
2203 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) |
2204 | { | |
2205 | /* This is the boundary between left-side elts and | |
2206 | right-side elts. */ | |
2207 | ++i; | |
2208 | } | |
165e1749 FP |
2209 | else |
2210 | { | |
2211 | entry | |
2212 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2213 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
2214 | { | |
2215 | if (keymaps != 0) | |
2216 | { | |
2217 | entry = Fcons (entry, Qnil); | |
2218 | if (!NILP (prefix)) | |
2219 | entry = Fcons (prefix, entry); | |
2220 | } | |
2221 | return entry; | |
2222 | } | |
2223 | i += MENU_ITEMS_ITEM_LENGTH; | |
2224 | } | |
2225 | } | |
2226 | } | |
9f6fcdc5 JD |
2227 | else |
2228 | /* Make "Cancel" equivalent to C-g. */ | |
2229 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2230 | |
2231 | return Qnil; | |
2232 | } | |
ba461919 | 2233 | |
488dd4c4 | 2234 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2235 | |
3e703b25 GM |
2236 | /* The frame of the last activated non-toolkit menu bar. |
2237 | Used to generate menu help events. */ | |
2238 | ||
2239 | static struct frame *menu_help_frame; | |
2240 | ||
2241 | ||
62145073 GM |
2242 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2243 | ||
2244 | PANE is the pane number, and ITEM is the menu item number in | |
2245 | the menu (currently not used). | |
177c0ea7 | 2246 | |
62145073 GM |
2247 | This cannot be done with generating a HELP_EVENT because |
2248 | XMenuActivate contains a loop that doesn't let Emacs process | |
2249 | keyboard events. */ | |
3e703b25 GM |
2250 | |
2251 | static void | |
62145073 | 2252 | menu_help_callback (help_string, pane, item) |
3e703b25 | 2253 | char *help_string; |
62145073 | 2254 | int pane, item; |
3e703b25 | 2255 | { |
62145073 GM |
2256 | extern Lisp_Object Qmenu_item; |
2257 | Lisp_Object *first_item; | |
2258 | Lisp_Object pane_name; | |
2259 | Lisp_Object menu_object; | |
177c0ea7 | 2260 | |
62145073 GM |
2261 | first_item = XVECTOR (menu_items)->contents; |
2262 | if (EQ (first_item[0], Qt)) | |
2263 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2264 | else if (EQ (first_item[0], Qquote)) | |
2265 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2266 | pane_name = empty_unibyte_string; |
62145073 GM |
2267 | else |
2268 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2269 | |
62145073 GM |
2270 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2271 | menu_object = Fcons (Qmenu_item, | |
2272 | Fcons (pane_name, | |
2273 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2274 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
62145073 | 2275 | Qnil, menu_object, make_number (item), 1); |
3e703b25 | 2276 | } |
177c0ea7 | 2277 | |
af89e871 | 2278 | static Lisp_Object |
a130b901 JD |
2279 | pop_down_menu (arg) |
2280 | Lisp_Object arg; | |
af89e871 | 2281 | { |
a130b901 JD |
2282 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2283 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2284 | |
a130b901 JD |
2285 | FRAME_PTR f = p1->pointer; |
2286 | XMenu *menu = p2->pointer; | |
af89e871 JD |
2287 | |
2288 | BLOCK_INPUT; | |
af89e871 | 2289 | #ifndef MSDOS |
a130b901 JD |
2290 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2291 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2292 | #endif |
a130b901 | 2293 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2294 | |
2295 | #ifdef HAVE_X_WINDOWS | |
2296 | /* Assume the mouse has moved out of the X window. | |
2297 | If it has actually moved in, we will get an EnterNotify. */ | |
2298 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2299 | ||
2300 | /* State that no mouse buttons are now held. | |
2301 | (The oldXMenu code doesn't track this info for us.) | |
2302 | That is not necessarily true, but the fiction leads to reasonable | |
2303 | results, and it is a pain to ask which are actually held now. */ | |
2304 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2305 | ||
2306 | #endif /* HAVE_X_WINDOWS */ | |
2307 | ||
2308 | UNBLOCK_INPUT; | |
2309 | ||
2310 | return Qnil; | |
2311 | } | |
2312 | ||
3e703b25 | 2313 | |
1fb99a3a | 2314 | Lisp_Object |
a20903d0 | 2315 | xmenu_show (f, x, y, for_click, keymaps, title, error, timestamp) |
78589e07 RS |
2316 | FRAME_PTR f; |
2317 | int x, y; | |
9685a93f RS |
2318 | int for_click; |
2319 | int keymaps; | |
78589e07 RS |
2320 | Lisp_Object title; |
2321 | char **error; | |
a20903d0 | 2322 | EMACS_UINT timestamp; |
dcfdbac7 | 2323 | { |
177c0ea7 | 2324 | Window root; |
78589e07 RS |
2325 | XMenu *menu; |
2326 | int pane, selidx, lpane, status; | |
2327 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2328 | char *datap; |
2329 | int ulx, uly, width, height; | |
2330 | int dispwidth, dispheight; | |
453a4f1b | 2331 | int i, j, lines, maxlines; |
4e8d3549 | 2332 | int maxwidth; |
78589e07 RS |
2333 | int dummy_int; |
2334 | unsigned int dummy_uint; | |
af89e871 | 2335 | int specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2336 | |
a9e1244d | 2337 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
62af879c KL |
2338 | abort (); |
2339 | ||
07a675b7 | 2340 | *error = 0; |
78589e07 RS |
2341 | if (menu_items_n_panes == 0) |
2342 | return Qnil; | |
088831f6 | 2343 | |
742f715d KH |
2344 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2345 | { | |
2346 | *error = "Empty menu"; | |
2347 | return Qnil; | |
2348 | } | |
2349 | ||
78589e07 | 2350 | /* Figure out which root window F is on. */ |
92280f67 | 2351 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2352 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2353 | &dummy_uint, &dummy_uint); | |
18686d47 | 2354 | |
78589e07 | 2355 | /* Make the menu on that window. */ |
92280f67 | 2356 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2357 | if (menu == NULL) |
dcfdbac7 JB |
2358 | { |
2359 | *error = "Can't create menu"; | |
78589e07 | 2360 | return Qnil; |
dcfdbac7 | 2361 | } |
78589e07 | 2362 | |
d130d129 RS |
2363 | /* Don't GC while we prepare and show the menu, |
2364 | because we give the oldxmenu library pointers to the | |
2365 | contents of strings. */ | |
2366 | inhibit_garbage_collection (); | |
2367 | ||
87485d6f | 2368 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2369 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2370 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2371 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2372 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2373 | |
2374 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2375 | x += f->left_pos; |
2376 | y += f->top_pos; | |
177c0ea7 | 2377 | |
78589e07 | 2378 | /* Create all the necessary panes and their items. */ |
453a4f1b | 2379 | maxlines = lines = i = 0; |
78589e07 | 2380 | while (i < menu_items_used) |
dcfdbac7 | 2381 | { |
78589e07 | 2382 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
dcfdbac7 | 2383 | { |
78589e07 RS |
2384 | /* Create a new pane. */ |
2385 | Lisp_Object pane_name, prefix; | |
2386 | char *pane_string; | |
2387 | ||
453a4f1b JD |
2388 | maxlines = max (maxlines, lines); |
2389 | lines = 0; | |
78589e07 RS |
2390 | pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME]; |
2391 | prefix = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2392 | pane_string = (NILP (pane_name) | |
d5db4077 | 2393 | ? "" : (char *) SDATA (pane_name)); |
78589e07 RS |
2394 | if (keymaps && !NILP (prefix)) |
2395 | pane_string++; | |
2396 | ||
92280f67 | 2397 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2398 | if (lpane == XM_FAILURE) |
2399 | { | |
92280f67 | 2400 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
78589e07 RS |
2401 | *error = "Can't create pane"; |
2402 | return Qnil; | |
2403 | } | |
2404 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2405 | |
2406 | /* Find the width of the widest item in this pane. */ | |
2407 | maxwidth = 0; | |
2408 | j = i; | |
2409 | while (j < menu_items_used) | |
2410 | { | |
2411 | Lisp_Object item; | |
2412 | item = XVECTOR (menu_items)->contents[j]; | |
2413 | if (EQ (item, Qt)) | |
2414 | break; | |
2415 | if (NILP (item)) | |
2416 | { | |
2417 | j++; | |
2418 | continue; | |
2419 | } | |
d5db4077 | 2420 | width = SBYTES (item); |
4e8d3549 RS |
2421 | if (width > maxwidth) |
2422 | maxwidth = width; | |
2423 | ||
2424 | j += MENU_ITEMS_ITEM_LENGTH; | |
2425 | } | |
dcfdbac7 | 2426 | } |
fcaa7665 RS |
2427 | /* Ignore a nil in the item list. |
2428 | It's meaningful only for dialog boxes. */ | |
2429 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
2430 | i += 1; | |
78589e07 | 2431 | else |
dcfdbac7 | 2432 | { |
78589e07 | 2433 | /* Create a new item within current pane. */ |
3e703b25 | 2434 | Lisp_Object item_name, enable, descrip, help; |
4e8d3549 | 2435 | unsigned char *item_data; |
3e703b25 | 2436 | char *help_string; |
78589e07 RS |
2437 | |
2438 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2439 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2440 | descrip | |
2441 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
3e703b25 | 2442 | help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP]; |
d5db4077 | 2443 | help_string = STRINGP (help) ? SDATA (help) : NULL; |
177c0ea7 | 2444 | |
78589e07 | 2445 | if (!NILP (descrip)) |
4e8d3549 | 2446 | { |
d5db4077 | 2447 | int gap = maxwidth - SBYTES (item_name); |
4e8d3549 RS |
2448 | /* if alloca is fast, use that to make the space, |
2449 | to reduce gc needs. */ | |
2450 | item_data | |
2451 | = (unsigned char *) alloca (maxwidth | |
d5db4077 KR |
2452 | + SBYTES (descrip) + 1); |
2453 | bcopy (SDATA (item_name), item_data, | |
2454 | SBYTES (item_name)); | |
2455 | for (j = SCHARS (item_name); j < maxwidth; j++) | |
4e8d3549 | 2456 | item_data[j] = ' '; |
d5db4077 KR |
2457 | bcopy (SDATA (descrip), item_data + j, |
2458 | SBYTES (descrip)); | |
2459 | item_data[j + SBYTES (descrip)] = 0; | |
4e8d3549 RS |
2460 | } |
2461 | else | |
d5db4077 | 2462 | item_data = SDATA (item_name); |
78589e07 | 2463 | |
92280f67 RS |
2464 | if (XMenuAddSelection (FRAME_X_DISPLAY (f), |
2465 | menu, lpane, 0, item_data, | |
3e703b25 | 2466 | !NILP (enable), help_string) |
dcfdbac7 JB |
2467 | == XM_FAILURE) |
2468 | { | |
92280f67 | 2469 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
dcfdbac7 | 2470 | *error = "Can't add selection to menu"; |
78589e07 | 2471 | return Qnil; |
dcfdbac7 | 2472 | } |
78589e07 | 2473 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2474 | lines++; |
dcfdbac7 JB |
2475 | } |
2476 | } | |
4e8d3549 | 2477 | |
453a4f1b JD |
2478 | maxlines = max (maxlines, lines); |
2479 | ||
78589e07 | 2480 | /* All set and ready to fly. */ |
92280f67 | 2481 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2482 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2483 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2484 | x = min (x, dispwidth); |
2485 | y = min (y, dispheight); | |
2486 | x = max (x, 1); | |
2487 | y = max (y, 1); | |
92280f67 | 2488 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2489 | &ulx, &uly, &width, &height); |
2490 | if (ulx+width > dispwidth) | |
2491 | { | |
78589e07 | 2492 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2493 | ulx = dispwidth - width; |
2494 | } | |
2495 | if (uly+height > dispheight) | |
2496 | { | |
78589e07 | 2497 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2498 | uly = dispheight - height; |
2499 | } | |
2de7397f EZ |
2500 | #ifndef HAVE_X_WINDOWS |
2501 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2502 | { | |
2503 | /* Move the menu away of the echo area, to avoid overwriting the | |
2504 | menu with help echo messages or vice versa. */ | |
2505 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2506 | { | |
2507 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2508 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2509 | } | |
2510 | else | |
2511 | { | |
2512 | y--; | |
2513 | uly--; | |
2514 | } | |
2515 | } | |
2516 | #endif | |
78589e07 RS |
2517 | if (ulx < 0) x -= ulx; |
2518 | if (uly < 0) y -= uly; | |
121e4555 | 2519 | |
453a4f1b JD |
2520 | if (! for_click) |
2521 | { | |
2522 | /* If position was not given by a mouse click, adjust so upper left | |
2523 | corner of the menu as a whole ends up at given coordinates. This | |
2524 | is what x-popup-menu says in its documentation. */ | |
2525 | x += width/2; | |
2526 | y += 1.5*height/(maxlines+2); | |
2527 | } | |
2528 | ||
121e4555 | 2529 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2530 | XMenuSetFreeze (menu, TRUE); |
2531 | pane = selidx = 0; | |
3e703b25 | 2532 | |
c3438661 JD |
2533 | #ifndef MSDOS |
2534 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2535 | #endif | |
59cfb104 | 2536 | |
a130b901 JD |
2537 | record_unwind_protect (pop_down_menu, |
2538 | Fcons (make_save_value (f, 0), | |
2539 | make_save_value (menu, 0))); | |
c3438661 | 2540 | |
3e703b25 GM |
2541 | /* Help display under X won't work because XMenuActivate contains |
2542 | a loop that doesn't give Emacs a chance to process it. */ | |
2543 | menu_help_frame = f; | |
92280f67 | 2544 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2545 | x, y, ButtonReleaseMask, &datap, |
2546 | menu_help_callback); | |
a352a815 | 2547 | |
dcfdbac7 JB |
2548 | switch (status) |
2549 | { | |
2550 | case XM_SUCCESS: | |
2551 | #ifdef XDEBUG | |
2552 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2553 | #endif | |
fa6d54d9 | 2554 | |
78589e07 RS |
2555 | /* Find the item number SELIDX in pane number PANE. */ |
2556 | i = 0; | |
2557 | while (i < menu_items_used) | |
fa6d54d9 | 2558 | { |
78589e07 | 2559 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
088831f6 | 2560 | { |
78589e07 RS |
2561 | if (pane == 0) |
2562 | pane_prefix | |
2563 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2564 | pane--; | |
2565 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2566 | } |
78589e07 | 2567 | else |
ab6ee1a0 | 2568 | { |
78589e07 | 2569 | if (pane == -1) |
ab6ee1a0 | 2570 | { |
78589e07 | 2571 | if (selidx == 0) |
ab6ee1a0 | 2572 | { |
78589e07 RS |
2573 | entry |
2574 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2575 | if (keymaps != 0) | |
ab6ee1a0 | 2576 | { |
78589e07 RS |
2577 | entry = Fcons (entry, Qnil); |
2578 | if (!NILP (pane_prefix)) | |
2579 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2580 | } |
78589e07 | 2581 | break; |
ab6ee1a0 | 2582 | } |
78589e07 | 2583 | selidx--; |
ab6ee1a0 | 2584 | } |
78589e07 | 2585 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2586 | } |
2587 | } | |
78589e07 | 2588 | break; |
dcfdbac7 | 2589 | |
78589e07 | 2590 | case XM_FAILURE: |
78589e07 RS |
2591 | *error = "Can't activate menu"; |
2592 | case XM_IA_SELECT: | |
9f6fcdc5 JD |
2593 | entry = Qnil; |
2594 | break; | |
78589e07 | 2595 | case XM_NO_SELECT: |
be6ed24a RS |
2596 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2597 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2598 | if (! for_click) |
2599 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
2600 | entry = Qnil; |
2601 | break; | |
dcfdbac7 | 2602 | } |
a5285df3 | 2603 | |
af89e871 | 2604 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2605 | |
78589e07 | 2606 | return entry; |
dcfdbac7 | 2607 | } |
4dedbfe0 | 2608 | |
78589e07 | 2609 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2610 | |
2611 | #endif /* HAVE_MENUS */ | |
e3135734 | 2612 | |
b79b8a1c CY |
2613 | /* Detect if a dialog or menu has been posted. */ |
2614 | ||
2615 | int | |
2616 | popup_activated () | |
2617 | { | |
2618 | return popup_activated_flag; | |
2619 | } | |
e3135734 CY |
2620 | |
2621 | /* The following is used by delayed window autoselection. */ | |
2622 | ||
2623 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2624 | doc: /* Return t if a menu or popup dialog is active. */) | |
2625 | () | |
2626 | { | |
2627 | #ifdef HAVE_MENUS | |
2628 | return (popup_activated ()) ? Qt : Qnil; | |
2629 | #else | |
2630 | return Qnil; | |
2631 | #endif /* HAVE_MENUS */ | |
2632 | } | |
088831f6 | 2633 | \f |
dfcf069d | 2634 | void |
78589e07 | 2635 | syms_of_xmenu () |
dcfdbac7 | 2636 | { |
d67b4f80 | 2637 | Qdebug_on_next_call = intern_c_string ("debug-on-next-call"); |
0314aacb RS |
2638 | staticpro (&Qdebug_on_next_call); |
2639 | ||
8ed87156 | 2640 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2641 | widget_id_tick = (1<<16); |
88766961 | 2642 | next_menubar_widget_id = 1; |
8ed87156 RS |
2643 | #endif |
2644 | ||
508fb067 | 2645 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2646 | |
2647 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2648 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2649 | Ffset (intern_c_string ("accelerate-menu"), |
2650 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2651 | #endif |
2652 | ||
1e659e4c | 2653 | #ifdef HAVE_MENUS |
165e1749 | 2654 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2655 | #endif |
dcfdbac7 | 2656 | } |
6b61353c KH |
2657 | |
2658 | /* arch-tag: 92ea573c-398e-496e-ac73-2436f7d63242 | |
2659 | (do not change this comment) */ |