Commit | Line | Data |
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dcfdbac7 | 1 | /* X Communication module for terminals which understand the X protocol. |
95df8112 GM |
2 | |
3 | Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2011 | |
4 | Free Software Foundation, Inc. | |
dcfdbac7 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
dcfdbac7 | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
dcfdbac7 JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
dcfdbac7 | 20 | |
c9e60620 | 21 | /* X pop-up deck-of-cards menu facility for GNU Emacs. |
dcfdbac7 JB |
22 | * |
23 | * Written by Jon Arnold and Roman Budzianowski | |
24 | * Mods and rewrite by Robert Krawitz | |
25 | * | |
26 | */ | |
27 | ||
18686d47 RS |
28 | /* Modified by Fred Pierresteguy on December 93 |
29 | to make the popup menus and menubar use the Xt. */ | |
30 | ||
78589e07 RS |
31 | /* Rewritten for clarity and GC protection by rms in Feb 94. */ |
32 | ||
68c45bf0 PE |
33 | #include <config.h> |
34 | ||
8faf6057 | 35 | #if 0 /* Why was this included? And without syssignal.h? */ |
dcfdbac7 JB |
36 | /* On 4.3 this loses if it comes after xterm.h. */ |
37 | #include <signal.h> | |
8faf6057 | 38 | #endif |
565620a5 RS |
39 | |
40 | #include <stdio.h> | |
d7306fe6 | 41 | #include <setjmp.h> |
7ee72033 | 42 | |
dcfdbac7 | 43 | #include "lisp.h" |
02067692 | 44 | #include "keyboard.h" |
5ee707b8 | 45 | #include "keymap.h" |
7708e9bd | 46 | #include "frame.h" |
428a555e | 47 | #include "termhooks.h" |
dcfdbac7 | 48 | #include "window.h" |
9ac0d9e0 | 49 | #include "blockinput.h" |
88766961 | 50 | #include "buffer.h" |
cc45fb40 SM |
51 | #include "charset.h" |
52 | #include "coding.h" | |
c3438661 | 53 | #include "sysselect.h" |
dcfdbac7 | 54 | |
eeee3112 RS |
55 | #ifdef MSDOS |
56 | #include "msdos.h" | |
57 | #endif | |
58 | ||
87485d6f | 59 | #ifdef HAVE_X_WINDOWS |
dcfdbac7 JB |
60 | /* This may include sys/types.h, and that somehow loses |
61 | if this is not done before the other system files. */ | |
62 | #include "xterm.h" | |
87485d6f | 63 | #endif |
dcfdbac7 JB |
64 | |
65 | /* Load sys/types.h if not already loaded. | |
66 | In some systems loading it twice is suicidal. */ | |
67 | #ifndef makedev | |
68 | #include <sys/types.h> | |
69 | #endif | |
70 | ||
71 | #include "dispextern.h" | |
72 | ||
87485d6f | 73 | #ifdef HAVE_X_WINDOWS |
646f98ec DL |
74 | /* Defining HAVE_MULTILINGUAL_MENU would mean that the toolkit menu |
75 | code accepts the Emacs internal encoding. */ | |
703dc2a8 | 76 | #undef HAVE_MULTILINGUAL_MENU |
18686d47 | 77 | #ifdef USE_X_TOOLKIT |
991786dd | 78 | #include "widget.h" |
18686d47 RS |
79 | #include <X11/Xlib.h> |
80 | #include <X11/IntrinsicP.h> | |
81 | #include <X11/CoreP.h> | |
82 | #include <X11/StringDefs.h> | |
60f312e2 | 83 | #include <X11/Shell.h> |
5ee80bd3 | 84 | #ifdef USE_LUCID |
99852628 JD |
85 | #include "xsettings.h" |
86 | #include "../lwlib/xlwmenu.h" | |
5262c5c7 CY |
87 | #ifdef HAVE_XAW3D |
88 | #include <X11/Xaw3d/Paned.h> | |
89 | #else /* !HAVE_XAW3D */ | |
1d1c1567 | 90 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 91 | #endif /* HAVE_XAW3D */ |
5ee80bd3 | 92 | #endif /* USE_LUCID */ |
c865c575 | 93 | #ifdef USE_MOTIF |
dee186b6 | 94 | #include "../lwlib/lwlib.h" |
c865c575 | 95 | #endif |
a352a815 | 96 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 | 97 | #ifndef USE_GTK |
a352a815 | 98 | #include "../oldXMenu/XMenu.h" |
488dd4c4 | 99 | #endif |
a352a815 RS |
100 | #endif /* not USE_X_TOOLKIT */ |
101 | #endif /* HAVE_X_WINDOWS */ | |
18686d47 | 102 | |
e7c9048f AS |
103 | #ifdef USE_GTK |
104 | #include "gtkutil.h" | |
105 | #endif | |
106 | ||
107 | #include "menu.h" | |
108 | ||
dcfdbac7 JB |
109 | #ifndef TRUE |
110 | #define TRUE 1 | |
111 | #define FALSE 0 | |
78589e07 | 112 | #endif /* no TRUE */ |
dcfdbac7 | 113 | |
0314aacb RS |
114 | Lisp_Object Qdebug_on_next_call; |
115 | ||
04bab72c | 116 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
f57e2426 | 117 | static Lisp_Object xdialog_show (FRAME_PTR, int, Lisp_Object, Lisp_Object, |
42ca4633 | 118 | const char **); |
3427a3db GM |
119 | #endif |
120 | ||
f57e2426 | 121 | static int update_frame_menubar (struct frame *); |
78589e07 | 122 | \f |
4dedbfe0 | 123 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 124 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 125 | static int popup_activated_flag; |
4dedbfe0 | 126 | |
bd3a4da2 | 127 | \f |
88766961 | 128 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 129 | |
281585b0 PE |
130 | static int next_menubar_widget_id; |
131 | ||
7556890b | 132 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 133 | |
88766961 | 134 | static struct frame * |
ebd15611 | 135 | menubar_id_to_frame (LWLIB_ID id) |
88766961 RS |
136 | { |
137 | Lisp_Object tail, frame; | |
138 | FRAME_PTR f; | |
bd3a4da2 | 139 | |
8e50cc2d | 140 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
bd3a4da2 | 141 | { |
8e713be6 | 142 | frame = XCAR (tail); |
8e50cc2d | 143 | if (!FRAMEP (frame)) |
88766961 RS |
144 | continue; |
145 | f = XFRAME (frame); | |
2d764c78 | 146 | if (!FRAME_WINDOW_P (f)) |
88766961 | 147 | continue; |
7556890b | 148 | if (f->output_data.x->id == id) |
88766961 | 149 | return f; |
bd3a4da2 | 150 | } |
88766961 | 151 | return 0; |
bd3a4da2 | 152 | } |
88766961 RS |
153 | |
154 | #endif | |
4dedbfe0 | 155 | \f |
a894238b JD |
156 | #ifdef HAVE_X_WINDOWS |
157 | /* Return the mouse position in *X and *Y. The coordinates are window | |
158 | relative for the edit window in frame F. | |
159 | This is for Fx_popup_menu. The mouse_position_hook can not | |
160 | be used for X, as it returns window relative coordinates | |
161 | for the window where the mouse is in. This could be the menu bar, | |
162 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
163 | sure it is the edit window. */ | |
ef7417fd | 164 | void |
971de7fb | 165 | mouse_position_for_popup (FRAME_PTR f, int *x, int *y) |
a894238b JD |
166 | { |
167 | Window root, dummy_window; | |
168 | int dummy; | |
169 | ||
62af879c KL |
170 | if (! FRAME_X_P (f)) |
171 | abort (); | |
172 | ||
a894238b | 173 | BLOCK_INPUT; |
177c0ea7 | 174 | |
a894238b JD |
175 | XQueryPointer (FRAME_X_DISPLAY (f), |
176 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
177 | ||
178 | /* The root window which contains the pointer. */ | |
179 | &root, | |
180 | ||
181 | /* Window pointer is on, not used */ | |
182 | &dummy_window, | |
183 | ||
184 | /* The position on that root window. */ | |
185 | x, y, | |
186 | ||
187 | /* x/y in dummy_window coordinates, not used. */ | |
188 | &dummy, &dummy, | |
189 | ||
190 | /* Modifier keys and pointer buttons, about which | |
191 | we don't care. */ | |
192 | (unsigned int *) &dummy); | |
193 | ||
194 | UNBLOCK_INPUT; | |
195 | ||
196 | /* xmenu_show expects window coordinates, not root window | |
197 | coordinates. Translate. */ | |
9882535b KS |
198 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
199 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
200 | } |
201 | ||
202 | #endif /* HAVE_X_WINDOWS */ | |
203 | ||
1e659e4c RS |
204 | #ifdef HAVE_MENUS |
205 | ||
6a040d6a | 206 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 207 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
208 | POSITION specifies which frame to use. |
209 | This is normally a mouse button event or a window or frame. | |
210 | If POSITION is t, it means to use the frame the mouse is on. | |
211 | The dialog box appears in the middle of the specified frame. | |
212 | ||
213 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 214 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
215 | Each ITEM is a cons cell (STRING . VALUE). |
216 | The return value is VALUE from the chosen item. | |
217 | ||
218 | An ITEM may also be just a string--that makes a nonselectable item. | |
219 | An ITEM may also be nil--that means to put all preceding items | |
220 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
221 | \(By default, approximately half appear on each side.) |
222 | ||
6a040d6a NR |
223 | If HEADER is non-nil, the frame title for the box is "Information", |
224 | otherwise it is "Question". | |
225 | ||
c05fe5d5 LT |
226 | If the user gets rid of the dialog box without making a valid choice, |
227 | for instance using the window manager, then this produces a quit and | |
228 | `x-popup-dialog' does not return. */) | |
5842a27b | 229 | (Lisp_Object position, Lisp_Object contents, Lisp_Object header) |
165e1749 | 230 | { |
cc45fb40 | 231 | FRAME_PTR f = NULL; |
99fe880d | 232 | Lisp_Object window; |
165e1749 FP |
233 | |
234 | check_x (); | |
235 | ||
99fe880d | 236 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 237 | if (EQ (position, Qt) |
2b06561a DL |
238 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
239 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 240 | { |
b14db4d7 | 241 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 242 | /* Use the mouse's current position. */ |
b404828f | 243 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 244 | Lisp_Object bar_window; |
cc45fb40 | 245 | enum scroll_bar_part part; |
99fe880d RS |
246 | unsigned long time; |
247 | Lisp_Object x, y; | |
165e1749 | 248 | |
46b657e2 | 249 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 250 | |
99fe880d | 251 | if (new_f != 0) |
a39f0477 | 252 | XSETFRAME (window, new_f); |
99fe880d RS |
253 | else |
254 | window = selected_window; | |
b14db4d7 | 255 | #endif |
88d4f6ec | 256 | window = selected_window; |
99fe880d RS |
257 | } |
258 | else if (CONSP (position)) | |
259 | { | |
260 | Lisp_Object tem; | |
261 | tem = Fcar (position); | |
b5bb2705 | 262 | if (CONSP (tem)) |
99fe880d | 263 | window = Fcar (Fcdr (position)); |
80670155 RS |
264 | else |
265 | { | |
99fe880d RS |
266 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
267 | window = Fcar (tem); /* POSN_WINDOW (tem) */ | |
165e1749 | 268 | } |
165e1749 | 269 | } |
99fe880d RS |
270 | else if (WINDOWP (position) || FRAMEP (position)) |
271 | window = position; | |
a9be6839 RS |
272 | else |
273 | window = Qnil; | |
165e1749 | 274 | |
99fe880d | 275 | /* Decode where to put the menu. */ |
165e1749 | 276 | |
b5bb2705 | 277 | if (FRAMEP (window)) |
99fe880d | 278 | f = XFRAME (window); |
b5bb2705 | 279 | else if (WINDOWP (window)) |
165e1749 | 280 | { |
b7826503 | 281 | CHECK_LIVE_WINDOW (window); |
99fe880d | 282 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 283 | } |
99fe880d RS |
284 | else |
285 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
286 | but I don't want to make one now. */ | |
b7826503 | 287 | CHECK_WINDOW (window); |
165e1749 | 288 | |
a9e1244d EZ |
289 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
290 | error ("Can not put X dialog on this terminal"); | |
62af879c | 291 | |
5da9fdfa YM |
292 | /* Force a redisplay before showing the dialog. If a frame is created |
293 | just before showing the dialog, its contents may not have been fully | |
294 | drawn, as this depends on timing of events from the X server. Redisplay | |
295 | is not done when a dialog is shown. If redisplay could be done in the | |
296 | X event loop (i.e. the X event loop does not run in a signal handler) | |
297 | this would not be needed. | |
298 | ||
299 | Do this before creating the widget value that points to Lisp | |
300 | string contents, because Fredisplay may GC and relocate them. */ | |
301 | Fredisplay (Qt); | |
302 | ||
488dd4c4 | 303 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
304 | /* Display a menu with these alternatives |
305 | in the middle of frame F. */ | |
306 | { | |
307 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
308 | XSETFRAME (frame, f); |
309 | XSETINT (x, x_pixel_width (f) / 2); | |
310 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
311 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
312 | ||
313 | return Fx_popup_menu (newpos, | |
314 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
315 | } | |
316 | #else | |
317 | { | |
318 | Lisp_Object title; | |
42ca4633 | 319 | const char *error_name; |
99fe880d | 320 | Lisp_Object selection; |
86fad4ec | 321 | int specpdl_count = SPECPDL_INDEX (); |
165e1749 | 322 | |
99fe880d RS |
323 | /* Decode the dialog items from what was specified. */ |
324 | title = Fcar (contents); | |
b7826503 | 325 | CHECK_STRING (title); |
86fad4ec | 326 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 327 | |
6b61353c KH |
328 | if (NILP (Fcar (Fcdr (contents)))) |
329 | /* No buttons specified, add an "Ok" button so users can pop down | |
330 | the dialog. Also, the lesstif/motif version crashes if there are | |
331 | no buttons. */ | |
332 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 333 | |
99fe880d | 334 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 335 | |
99fe880d RS |
336 | /* Display them in a dialog box. */ |
337 | BLOCK_INPUT; | |
6a040d6a | 338 | selection = xdialog_show (f, 0, title, header, &error_name); |
99fe880d | 339 | UNBLOCK_INPUT; |
165e1749 | 340 | |
86fad4ec | 341 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
342 | discard_menu_items (); |
343 | ||
344 | if (error_name) error (error_name); | |
345 | return selection; | |
346 | } | |
7464b131 | 347 | #endif |
392d3f4b | 348 | } |
c3438661 JD |
349 | |
350 | ||
351 | #ifndef MSDOS | |
352 | ||
b3935289 JD |
353 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
354 | ||
355 | void | |
971de7fb | 356 | x_menu_set_in_use (int in_use) |
b3935289 JD |
357 | { |
358 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 359 | popup_activated_flag = in_use; |
98a20c65 CY |
360 | #ifdef USE_X_TOOLKIT |
361 | if (popup_activated_flag) | |
362 | x_activate_timeout_atimer (); | |
363 | #endif | |
b3935289 JD |
364 | } |
365 | ||
c3438661 JD |
366 | /* Wait for an X event to arrive or for a timer to expire. */ |
367 | ||
b3935289 | 368 | void |
c3438661 JD |
369 | x_menu_wait_for_event (void *data) |
370 | { | |
c3438661 JD |
371 | /* Another way to do this is to register a timer callback, that can be |
372 | done in GTK and Xt. But we have to do it like this when using only X | |
373 | anyway, and with callbacks we would have three variants for timer handling | |
374 | instead of the small ifdefs below. */ | |
375 | ||
376 | while ( | |
377 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 378 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
379 | #elif defined USE_GTK |
380 | ! gtk_events_pending () | |
381 | #else | |
382 | ! XPending ((Display*) data) | |
383 | #endif | |
384 | ) | |
385 | { | |
f868cd8a | 386 | EMACS_TIME next_time = timer_check (), *ntp; |
c3438661 JD |
387 | long secs = EMACS_SECS (next_time); |
388 | long usecs = EMACS_USECS (next_time); | |
389 | SELECT_TYPE read_fds; | |
390 | struct x_display_info *dpyinfo; | |
391 | int n = 0; | |
392 | ||
393 | FD_ZERO (&read_fds); | |
394 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
395 | { | |
396 | int fd = ConnectionNumber (dpyinfo->display); | |
397 | FD_SET (fd, &read_fds); | |
398 | if (fd > n) n = fd; | |
11814156 | 399 | XFlush (dpyinfo->display); |
c3438661 JD |
400 | } |
401 | ||
e90292a9 JD |
402 | if (secs < 0 && usecs < 0) |
403 | ntp = 0; | |
404 | else | |
405 | ntp = &next_time; | |
c3438661 | 406 | |
e90292a9 | 407 | select (n + 1, &read_fds, (SELECT_TYPE *)0, (SELECT_TYPE *)0, ntp); |
c3438661 JD |
408 | } |
409 | } | |
410 | #endif /* ! MSDOS */ | |
411 | ||
78589e07 | 412 | \f |
488dd4c4 | 413 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 414 | |
f1d1cd24 JD |
415 | #ifdef USE_X_TOOLKIT |
416 | ||
4dedbfe0 | 417 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 418 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
419 | and x-popup-dialog; it is not used for the menu bar. |
420 | ||
2e2b8e22 | 421 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 422 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 423 | |
f02cac82 | 424 | static void |
ebd15611 | 425 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 426 | { |
4dedbfe0 | 427 | XEvent event; |
f02cac82 | 428 | |
8b806a85 JD |
429 | while (popup_activated_flag) |
430 | { | |
c0b0f54b | 431 | if (initial_event) |
8b806a85 JD |
432 | { |
433 | event = *initial_event; | |
434 | initial_event = 0; | |
435 | } | |
436 | else | |
c3438661 JD |
437 | { |
438 | if (do_timers) x_menu_wait_for_event (0); | |
439 | XtAppNextEvent (Xt_app_con, &event); | |
440 | } | |
78589e07 | 441 | |
10624005 | 442 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
443 | And make sure to deactivate for any ButtonRelease, |
444 | even if XtDispatchEvent doesn't do that. */ | |
445 | if (event.type == ButtonRelease | |
446 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
447 | { |
448 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 449 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
450 | Btn1Down seems the only way to convince Motif to |
451 | activate its callbacks; setting the XmNmenuPost | |
452 | isn't working. --marcus@sysc.pdx.edu. */ | |
453 | event.xbutton.button = 1; | |
454 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
455 | key is pressed and the button is released. So reset key state | |
456 | so Motif thinks this is the case. */ | |
457 | event.xbutton.state = 0; | |
c8b5aa3d | 458 | #endif |
10624005 | 459 | } |
33385c6f | 460 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 461 | else if (event.type == KeyPress |
10624005 | 462 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
463 | { |
464 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 465 | |
33385c6f JD |
466 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
467 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 468 | popup_activated_flag = 0; |
8b806a85 | 469 | } |
177c0ea7 | 470 | |
8b806a85 | 471 | x_dispatch_event (&event, event.xany.display); |
aa669def | 472 | } |
78589e07 RS |
473 | } |
474 | ||
12b6af5c | 475 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
476 | doc: /* Start key navigation of the menu bar in FRAME. |
477 | This initially opens the first menu bar item and you can then navigate with the | |
478 | arrow keys, select a menu entry with the return key or cancel with the | |
479 | escape key. If FRAME has no menu bar this function does nothing. | |
480 | ||
481 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 482 | (Lisp_Object frame) |
22badffe JD |
483 | { |
484 | XEvent ev; | |
485 | FRAME_PTR f = check_x_frame (frame); | |
486 | Widget menubar; | |
487 | BLOCK_INPUT; | |
488 | ||
489 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
490 | set_frame_menubar (f, 0, 1); | |
491 | ||
492 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
493 | if (menubar) | |
494 | { | |
495 | Window child; | |
496 | int error_p = 0; | |
497 | ||
498 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
499 | memset (&ev, 0, sizeof ev); | |
500 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
501 | ev.xbutton.window = XtWindow (menubar); | |
502 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
503 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
504 | ev.xbutton.button = Button1; | |
505 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
506 | ev.xbutton.same_screen = True; | |
507 | ||
508 | #ifdef USE_MOTIF | |
509 | { | |
510 | Arg al[2]; | |
511 | WidgetList list; | |
512 | Cardinal nr; | |
513 | XtSetArg (al[0], XtNchildren, &list); | |
514 | XtSetArg (al[1], XtNnumChildren, &nr); | |
515 | XtGetValues (menubar, al, 2); | |
516 | ev.xbutton.window = XtWindow (list[0]); | |
517 | } | |
518 | #endif | |
519 | ||
520 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
521 | /* From-window, to-window. */ | |
522 | ev.xbutton.window, ev.xbutton.root, | |
523 | ||
524 | /* From-position, to-position. */ | |
525 | ev.xbutton.x, ev.xbutton.y, | |
526 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
527 | ||
528 | /* Child of win. */ | |
529 | &child); | |
530 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
531 | x_uncatch_errors (); | |
532 | ||
533 | if (! error_p) | |
534 | { | |
535 | ev.type = ButtonPress; | |
536 | ev.xbutton.state = 0; | |
537 | ||
538 | XtDispatchEvent (&ev); | |
539 | ev.xbutton.type = ButtonRelease; | |
540 | ev.xbutton.state = Button1Mask; | |
541 | XtDispatchEvent (&ev); | |
542 | } | |
543 | } | |
544 | ||
545 | UNBLOCK_INPUT; | |
57d671b4 AS |
546 | |
547 | return Qnil; | |
22badffe | 548 | } |
488dd4c4 JD |
549 | #endif /* USE_X_TOOLKIT */ |
550 | ||
22badffe | 551 | |
488dd4c4 | 552 | #ifdef USE_GTK |
12b6af5c | 553 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
554 | doc: /* Start key navigation of the menu bar in FRAME. |
555 | This initially opens the first menu bar item and you can then navigate with the | |
556 | arrow keys, select a menu entry with the return key or cancel with the | |
557 | escape key. If FRAME has no menu bar this function does nothing. | |
558 | ||
559 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 560 | (Lisp_Object frame) |
22badffe JD |
561 | { |
562 | GtkWidget *menubar; | |
8630721e CY |
563 | FRAME_PTR f; |
564 | ||
718aeeb8 CY |
565 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
566 | BLOCK_INPUT. */ | |
567 | ||
22badffe | 568 | BLOCK_INPUT; |
8630721e | 569 | f = check_x_frame (frame); |
22badffe JD |
570 | |
571 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
572 | set_frame_menubar (f, 0, 1); | |
573 | ||
574 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
575 | if (menubar) | |
576 | { | |
577 | /* Activate the first menu. */ | |
578 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
579 | ||
32d46135 JD |
580 | if (children) |
581 | { | |
582 | g_signal_emit_by_name (children->data, "activate_item"); | |
583 | popup_activated_flag = 1; | |
584 | g_list_free (children); | |
585 | } | |
22badffe JD |
586 | } |
587 | UNBLOCK_INPUT; | |
588 | ||
589 | return Qnil; | |
590 | } | |
591 | ||
488dd4c4 JD |
592 | /* Loop util popup_activated_flag is set to zero in a callback. |
593 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 594 | |
488dd4c4 | 595 | static void |
971de7fb | 596 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
597 | { |
598 | ++popup_activated_flag; | |
599 | ||
600 | /* Process events in the Gtk event loop until done. */ | |
601 | while (popup_activated_flag) | |
602 | { | |
c3438661 | 603 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
604 | gtk_main_iteration (); |
605 | } | |
606 | } | |
607 | #endif | |
608 | ||
88766961 RS |
609 | /* Activate the menu bar of frame F. |
610 | This is called from keyboard.c when it gets the | |
3b8f9651 | 611 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
612 | |
613 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 614 | that was saved in saved_menu_event. |
88766961 RS |
615 | That makes the toolkit do its thing. |
616 | ||
617 | But first we recompute the menu bar contents (the whole tree). | |
618 | ||
619 | The reason for saving the button event until here, instead of | |
620 | passing it to the toolkit right away, is that we can safely | |
621 | execute Lisp code. */ | |
177c0ea7 | 622 | |
dfcf069d | 623 | void |
971de7fb | 624 | x_activate_menubar (FRAME_PTR f) |
88766961 | 625 | { |
62af879c KL |
626 | if (! FRAME_X_P (f)) |
627 | abort (); | |
628 | ||
ac78b144 | 629 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
630 | return; |
631 | ||
177c0ea7 | 632 | #ifdef USE_GTK |
6b61353c KH |
633 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
634 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
635 | return; |
636 | #endif | |
177c0ea7 | 637 | |
a9be6839 | 638 | set_frame_menubar (f, 0, 1); |
88766961 | 639 | BLOCK_INPUT; |
cf28cebc | 640 | popup_activated_flag = 1; |
488dd4c4 JD |
641 | #ifdef USE_GTK |
642 | XPutBackEvent (f->output_data.x->display_info->display, | |
643 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 644 | #else |
86fad4ec | 645 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 646 | #endif |
88766961 | 647 | UNBLOCK_INPUT; |
177c0ea7 | 648 | |
88766961 | 649 | /* Ignore this if we get it a second time. */ |
ac78b144 | 650 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
651 | } |
652 | ||
4dedbfe0 PR |
653 | /* This callback is invoked when the user selects a menubar cascade |
654 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 655 | |
488dd4c4 | 656 | #ifndef USE_GTK |
78589e07 | 657 | static void |
ebd15611 | 658 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 659 | { |
4dedbfe0 | 660 | popup_activated_flag = 1; |
98a20c65 CY |
661 | #ifdef USE_X_TOOLKIT |
662 | x_activate_timeout_atimer (); | |
663 | #endif | |
7555d825 | 664 | } |
488dd4c4 | 665 | #endif |
7555d825 GM |
666 | |
667 | /* This callback is invoked when a dialog or menu is finished being | |
668 | used and has been unposted. */ | |
669 | ||
488dd4c4 JD |
670 | #ifdef USE_GTK |
671 | static void | |
971de7fb | 672 | popup_deactivate_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
673 | { |
674 | popup_activated_flag = 0; | |
675 | } | |
676 | #else | |
7555d825 | 677 | static void |
ebd15611 | 678 | popup_deactivate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
7555d825 | 679 | { |
7555d825 | 680 | popup_activated_flag = 0; |
78589e07 | 681 | } |
488dd4c4 | 682 | #endif |
78589e07 | 683 | |
850df50b | 684 | |
488dd4c4 JD |
685 | /* Function that finds the frame for WIDGET and shows the HELP text |
686 | for that widget. | |
687 | F is the frame if known, or NULL if not known. */ | |
688 | static void | |
971de7fb | 689 | show_help_event (FRAME_PTR f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 690 | { |
488dd4c4 | 691 | Lisp_Object frame; |
850df50b | 692 | |
850df50b | 693 | if (f) |
9cd50434 GM |
694 | { |
695 | XSETFRAME (frame, f); | |
696 | kbd_buffer_store_help_event (frame, help); | |
697 | } | |
850df50b GM |
698 | else |
699 | { | |
6b61353c | 700 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 701 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 702 | widget. See which frame that is. */ |
488dd4c4 | 703 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
704 | Lisp_Object tail; |
705 | ||
8e50cc2d | 706 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
707 | { |
708 | frame = XCAR (tail); | |
8e50cc2d | 709 | if (FRAMEP (frame) |
850df50b GM |
710 | && (f = XFRAME (frame), |
711 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
712 | break; | |
713 | } | |
6b61353c | 714 | #endif |
f868cd8a | 715 | show_help_echo (help, Qnil, Qnil, Qnil); |
9cd50434 | 716 | } |
850df50b GM |
717 | } |
718 | ||
488dd4c4 JD |
719 | /* Callback called when menu items are highlighted/unhighlighted |
720 | while moving the mouse over them. WIDGET is the menu bar or menu | |
721 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
722 | the data structure for the menu item, or null in case of | |
723 | unhighlighting. */ | |
4dedbfe0 | 724 | |
488dd4c4 | 725 | #ifdef USE_GTK |
032f1620 | 726 | static void |
971de7fb | 727 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
728 | { |
729 | xg_menu_item_cb_data *cb_data; | |
730 | Lisp_Object help; | |
177c0ea7 | 731 | |
488dd4c4 JD |
732 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
733 | XG_ITEM_DATA); | |
734 | if (! cb_data) return; | |
735 | ||
736 | help = call_data ? cb_data->help : Qnil; | |
737 | ||
738 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
739 | Don't show help for them, they won't appear before the | |
740 | popup is popped down. */ | |
741 | if (popup_activated_flag <= 1) | |
742 | show_help_event (cb_data->cl_data->f, widget, help); | |
743 | } | |
744 | #else | |
032f1620 | 745 | static void |
ebd15611 | 746 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 JD |
747 | { |
748 | struct frame *f; | |
749 | Lisp_Object help; | |
750 | ||
751 | widget_value *wv = (widget_value *) call_data; | |
752 | ||
753 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 754 | |
488dd4c4 JD |
755 | /* Determine the frame for the help event. */ |
756 | f = menubar_id_to_frame (id); | |
757 | ||
758 | show_help_event (f, widget, help); | |
759 | } | |
760 | #endif | |
761 | ||
488dd4c4 JD |
762 | #ifdef USE_GTK |
763 | /* Gtk calls callbacks just because we tell it what item should be | |
764 | selected in a radio group. If this variable is set to a non-zero | |
765 | value, we are creating menus and don't want callbacks right now. | |
766 | */ | |
767 | static int xg_crazy_callback_abort; | |
768 | ||
769 | /* This callback is called from the menu bar pulldown menu | |
770 | when the user makes a selection. | |
771 | Figure out what the user chose | |
772 | and put the appropriate events into the keyboard buffer. */ | |
773 | static void | |
971de7fb | 774 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
775 | { |
776 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
777 | ||
778 | if (xg_crazy_callback_abort) | |
779 | return; | |
780 | ||
781 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
782 | return; | |
783 | ||
b79c8219 JD |
784 | /* For a group of radio buttons, GTK calls the selection callback first |
785 | for the item that was active before the selection and then for the one that | |
786 | is active after the selection. For C-h k this means we get the help on | |
787 | the deselected item and then the selected item is executed. Prevent that | |
788 | by ignoring the non-active item. */ | |
789 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
790 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
791 | return; | |
792 | ||
81f09877 JD |
793 | /* When a menu is popped down, X generates a focus event (i.e. focus |
794 | goes back to the frame below the menu). Since GTK buffers events, | |
795 | we force it out here before the menu selection event. Otherwise | |
796 | sit-for will exit at once if the focus event follows the menu selection | |
797 | event. */ | |
798 | ||
799 | BLOCK_INPUT; | |
800 | while (gtk_events_pending ()) | |
801 | gtk_main_iteration (); | |
802 | UNBLOCK_INPUT; | |
803 | ||
488dd4c4 JD |
804 | find_and_call_menu_selection (cb_data->cl_data->f, |
805 | cb_data->cl_data->menu_bar_items_used, | |
806 | cb_data->cl_data->menu_bar_vector, | |
807 | cb_data->call_data); | |
808 | } | |
809 | ||
810 | #else /* not USE_GTK */ | |
811 | ||
812 | /* This callback is called from the menu bar pulldown menu | |
813 | when the user makes a selection. | |
814 | Figure out what the user chose | |
815 | and put the appropriate events into the keyboard buffer. */ | |
816 | static void | |
ebd15611 | 817 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 JD |
818 | { |
819 | FRAME_PTR f; | |
820 | ||
821 | f = menubar_id_to_frame (id); | |
822 | if (!f) | |
823 | return; | |
824 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
825 | f->menu_bar_vector, client_data); | |
826 | } | |
827 | #endif /* not USE_GTK */ | |
f61a541b GM |
828 | \f |
829 | /* Recompute all the widgets of frame F, when the menu bar has been | |
830 | changed. Value is non-zero if widgets were updated. */ | |
831 | ||
832 | static int | |
971de7fb | 833 | update_frame_menubar (FRAME_PTR f) |
18686d47 | 834 | { |
488dd4c4 JD |
835 | #ifdef USE_GTK |
836 | return xg_update_frame_menubar (f); | |
837 | #else | |
62af879c | 838 | struct x_output *x; |
cffa74ea | 839 | int columns, rows; |
177c0ea7 | 840 | |
62af879c KL |
841 | if (! FRAME_X_P (f)) |
842 | abort (); | |
843 | ||
844 | x = f->output_data.x; | |
845 | ||
f61a541b GM |
846 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
847 | return 0; | |
18686d47 RS |
848 | |
849 | BLOCK_INPUT; | |
f61a541b GM |
850 | /* Save the size of the frame because the pane widget doesn't accept |
851 | to resize itself. So force it. */ | |
9882535b KS |
852 | columns = FRAME_COLS (f); |
853 | rows = FRAME_LINES (f); | |
cffa74ea | 854 | |
f61a541b GM |
855 | /* Do the voodoo which means "I'm changing lots of things, don't try |
856 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 857 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 858 | |
f61a541b GM |
859 | /* The order in which children are managed is the top to bottom |
860 | order in which they are displayed in the paned window. First, | |
861 | remove the text-area widget. */ | |
18686d47 RS |
862 | XtUnmanageChild (x->edit_widget); |
863 | ||
f61a541b GM |
864 | /* Remove the menubar that is there now, and put up the menubar that |
865 | should be there. */ | |
866 | XtManageChild (x->menubar_widget); | |
867 | XtMapWidget (x->menubar_widget); | |
868 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 869 | |
c98fcf4b | 870 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 871 | XtManageChild (x->edit_widget); |
4dedbfe0 | 872 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
873 | |
874 | /* Force the pane widget to resize itself with the right values. */ | |
875 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
18686d47 | 876 | UNBLOCK_INPUT; |
488dd4c4 | 877 | #endif |
f61a541b | 878 | return 1; |
18686d47 RS |
879 | } |
880 | ||
99852628 | 881 | #ifdef USE_LUCID |
1ecb2d3f | 882 | static void |
ebd15611 | 883 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
884 | { |
885 | const char *fn = xsettings_get_system_normal_font (); | |
51b59d79 | 886 | if (fn) |
1ecb2d3f JD |
887 | { |
888 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
889 | if (db) | |
3928f2b6 | 890 | XrmPutStringResource (&db, "*dialog.font", fn); |
1ecb2d3f JD |
891 | } |
892 | } | |
893 | ||
99852628 | 894 | static void |
3928f2b6 | 895 | apply_systemfont_to_menu (struct frame *f, Widget w) |
99852628 JD |
896 | { |
897 | const char *fn = xsettings_get_system_normal_font (); | |
99852628 | 898 | |
3928f2b6 | 899 | if (fn) |
99852628 | 900 | { |
3928f2b6 JD |
901 | XrmDatabase db = XtDatabase (XtDisplay (w)); |
902 | if (db) | |
903 | { | |
904 | XrmPutStringResource (&db, "*menubar*font", fn); | |
905 | XrmPutStringResource (&db, "*popup*font", fn); | |
906 | } | |
99852628 | 907 | } |
99852628 | 908 | } |
3928f2b6 | 909 | |
99852628 JD |
910 | #endif |
911 | ||
4bcdbab1 KH |
912 | /* Set the contents of the menubar widgets of frame F. |
913 | The argument FIRST_TIME is currently ignored; | |
914 | it is set the first time this is called, from initialize_frame_menubar. */ | |
915 | ||
18686d47 | 916 | void |
971de7fb | 917 | set_frame_menubar (FRAME_PTR f, int first_time, int deep_p) |
18686d47 | 918 | { |
62af879c | 919 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
920 | #ifdef USE_X_TOOLKIT |
921 | LWLIB_ID id; | |
922 | #endif | |
faa935b6 | 923 | Lisp_Object items; |
4d19cb8e | 924 | widget_value *wv, *first_wv, *prev_wv = 0; |
916c72e9 | 925 | EMACS_UINT i, last_i = 0; |
ced89c24 | 926 | int *submenu_start, *submenu_end; |
37dc84ff | 927 | int *submenu_top_level_items, *submenu_n_panes; |
cc45fb40 | 928 | |
62af879c KL |
929 | if (! FRAME_X_P (f)) |
930 | abort (); | |
931 | ||
932 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 933 | |
bfc524bc RS |
934 | XSETFRAME (Vmenu_updating_frame, f); |
935 | ||
488dd4c4 | 936 | #ifdef USE_X_TOOLKIT |
7556890b RS |
937 | if (f->output_data.x->id == 0) |
938 | f->output_data.x->id = next_menubar_widget_id++; | |
939 | id = f->output_data.x->id; | |
488dd4c4 | 940 | #endif |
177c0ea7 | 941 | |
88766961 RS |
942 | if (! menubar_widget) |
943 | deep_p = 1; | |
a9be6839 RS |
944 | /* Make the first call for any given frame always go deep. */ |
945 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
946 | { |
947 | deep_p = 1; | |
a9be6839 RS |
948 | f->output_data.x->saved_menu_event = (XEvent*)xmalloc (sizeof (XEvent)); |
949 | f->output_data.x->saved_menu_event->type = 0; | |
745c34fb | 950 | } |
18686d47 | 951 | |
6b61353c KH |
952 | #ifdef USE_GTK |
953 | /* If we have detached menus, we must update deep so detached menus | |
954 | also gets updated. */ | |
955 | deep_p = deep_p || xg_have_tear_offs (); | |
956 | #endif | |
957 | ||
88766961 | 958 | if (deep_p) |
18686d47 | 959 | { |
88766961 RS |
960 | /* Make a widget-value tree representing the entire menu trees. */ |
961 | ||
962 | struct buffer *prev = current_buffer; | |
963 | Lisp_Object buffer; | |
aed13378 | 964 | int specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
965 | int previous_menu_items_used = f->menu_bar_items_used; |
966 | Lisp_Object *previous_items | |
967 | = (Lisp_Object *) alloca (previous_menu_items_used | |
968 | * sizeof (Lisp_Object)); | |
969 | ||
0b1cf399 RS |
970 | /* If we are making a new widget, its contents are empty, |
971 | do always reinitialize them. */ | |
972 | if (! menubar_widget) | |
973 | previous_menu_items_used = 0; | |
974 | ||
88766961 RS |
975 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
976 | specbind (Qinhibit_quit, Qt); | |
977 | /* Don't let the debugger step into this code | |
978 | because it is not reentrant. */ | |
979 | specbind (Qdebug_on_next_call, Qnil); | |
980 | ||
89f2614d | 981 | record_unwind_save_match_data (); |
88766961 RS |
982 | if (NILP (Voverriding_local_map_menu_flag)) |
983 | { | |
984 | specbind (Qoverriding_terminal_local_map, Qnil); | |
985 | specbind (Qoverriding_local_map, Qnil); | |
986 | } | |
18686d47 | 987 | |
88766961 | 988 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 989 | |
88766961 | 990 | /* Run the Lucid hook. */ |
950eaee7 | 991 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 992 | |
88766961 RS |
993 | /* If it has changed current-menubar from previous value, |
994 | really recompute the menubar from the value. */ | |
995 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
996 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 997 | safe_run_hooks (Qmenu_bar_update_hook); |
88766961 | 998 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
18686d47 | 999 | |
88766961 | 1000 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1001 | |
88766961 | 1002 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 1003 | if (previous_menu_items_used) |
72af86bd AS |
1004 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
1005 | previous_menu_items_used * sizeof (Lisp_Object)); | |
8d8a3494 | 1006 | |
ced89c24 RS |
1007 | /* Fill in menu_items with the current menu bar contents. |
1008 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1009 | save_menu_items (); |
1010 | ||
88766961 | 1011 | menu_items = f->menu_bar_vector; |
86c04183 | 1012 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
ced89c24 RS |
1013 | submenu_start = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); |
1014 | submenu_end = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
37dc84ff | 1015 | submenu_n_panes = (int *) alloca (XVECTOR (items)->size * sizeof (int)); |
ced89c24 RS |
1016 | submenu_top_level_items |
1017 | = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
88766961 | 1018 | init_menu_items (); |
f04366cb | 1019 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1020 | { |
1021 | Lisp_Object key, string, maps; | |
1022 | ||
ced89c24 RS |
1023 | last_i = i; |
1024 | ||
88766961 RS |
1025 | key = XVECTOR (items)->contents[i]; |
1026 | string = XVECTOR (items)->contents[i + 1]; | |
1027 | maps = XVECTOR (items)->contents[i + 2]; | |
1028 | if (NILP (string)) | |
1029 | break; | |
1030 | ||
ced89c24 RS |
1031 | submenu_start[i] = menu_items_used; |
1032 | ||
1033 | menu_items_n_panes = 0; | |
1034 | submenu_top_level_items[i] | |
1035 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1036 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1037 | |
1038 | submenu_end[i] = menu_items_used; | |
1039 | } | |
1040 | ||
1041 | finish_menu_items (); | |
1042 | ||
1043 | /* Convert menu_items into widget_value trees | |
1044 | to display the menu. This cannot evaluate Lisp code. */ | |
1045 | ||
1046 | wv = xmalloc_widget_value (); | |
1047 | wv->name = "menubar"; | |
1048 | wv->value = 0; | |
1049 | wv->enabled = 1; | |
1050 | wv->button_type = BUTTON_TYPE_NONE; | |
1051 | wv->help = Qnil; | |
1052 | first_wv = wv; | |
1053 | ||
1054 | for (i = 0; i < last_i; i += 4) | |
1055 | { | |
37dc84ff | 1056 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1057 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1058 | submenu_top_level_items[i]); | |
177c0ea7 | 1059 | if (prev_wv) |
88766961 RS |
1060 | prev_wv->next = wv; |
1061 | else | |
1062 | first_wv->contents = wv; | |
1063 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1064 | wv->enabled = 1; | |
3427a3db | 1065 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1066 | prev_wv = wv; |
1067 | } | |
1068 | ||
88766961 | 1069 | set_buffer_internal_1 (prev); |
8d8a3494 | 1070 | |
88766961 RS |
1071 | /* If there has been no change in the Lisp-level contents |
1072 | of the menu bar, skip redisplaying it. Just exit. */ | |
1073 | ||
510d5bf6 | 1074 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1075 | for (i = 0; i < previous_menu_items_used; i++) |
1076 | if (menu_items_used == i | |
99d3fac7 | 1077 | || (!EQ (previous_items[i], XVECTOR (menu_items)->contents[i]))) |
88766961 | 1078 | break; |
62555c22 | 1079 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1080 | { |
510d5bf6 RS |
1081 | /* The menu items have not changed. Don't bother updating |
1082 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1083 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1084 | discard_menu_items (); |
1fc4d463 | 1085 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1086 | return; |
1087 | } | |
1088 | ||
510d5bf6 | 1089 | /* The menu items are different, so store them in the frame. */ |
1fc4d463 RS |
1090 | f->menu_bar_vector = menu_items; |
1091 | f->menu_bar_items_used = menu_items_used; | |
1092 | ||
bf732638 | 1093 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1094 | unbind_to (specpdl_count, Qnil); |
1095 | ||
88766961 RS |
1096 | /* Now GC cannot happen during the lifetime of the widget_value, |
1097 | so it's safe to store data from a Lisp_String. */ | |
1098 | wv = first_wv->contents; | |
f04366cb | 1099 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1100 | { |
1101 | Lisp_Object string; | |
1102 | string = XVECTOR (items)->contents[i + 1]; | |
1103 | if (NILP (string)) | |
2bf436c3 | 1104 | break; |
51b59d79 | 1105 | wv->name = SSDATA (string); |
2bf436c3 JD |
1106 | update_submenu_strings (wv->contents); |
1107 | wv = wv->next; | |
88766961 RS |
1108 | } |
1109 | ||
4d19cb8e | 1110 | } |
88766961 RS |
1111 | else |
1112 | { | |
1113 | /* Make a widget-value tree containing | |
1114 | just the top level menu bar strings. */ | |
4d19cb8e | 1115 | |
ced89c24 RS |
1116 | wv = xmalloc_widget_value (); |
1117 | wv->name = "menubar"; | |
1118 | wv->value = 0; | |
1119 | wv->enabled = 1; | |
1120 | wv->button_type = BUTTON_TYPE_NONE; | |
1121 | wv->help = Qnil; | |
1122 | first_wv = wv; | |
1123 | ||
88766961 | 1124 | items = FRAME_MENU_BAR_ITEMS (f); |
f04366cb | 1125 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1126 | { |
1127 | Lisp_Object string; | |
1128 | ||
1129 | string = XVECTOR (items)->contents[i + 1]; | |
1130 | if (NILP (string)) | |
1131 | break; | |
1132 | ||
f7fab165 | 1133 | wv = xmalloc_widget_value (); |
51b59d79 | 1134 | wv->name = SSDATA (string); |
88766961 RS |
1135 | wv->value = 0; |
1136 | wv->enabled = 1; | |
3427a3db | 1137 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1138 | wv->help = Qnil; |
fe8fa62f RS |
1139 | /* This prevents lwlib from assuming this |
1140 | menu item is really supposed to be empty. */ | |
1141 | /* The EMACS_INT cast avoids a warning. | |
1142 | This value just has to be different from small integers. */ | |
1143 | wv->call_data = (void *) (EMACS_INT) (-1); | |
88766961 | 1144 | |
177c0ea7 | 1145 | if (prev_wv) |
88766961 RS |
1146 | prev_wv->next = wv; |
1147 | else | |
1148 | first_wv->contents = wv; | |
1149 | prev_wv = wv; | |
1150 | } | |
62555c22 RS |
1151 | |
1152 | /* Forget what we thought we knew about what is in the | |
1153 | detailed contents of the menu bar menus. | |
1154 | Changing the top level always destroys the contents. */ | |
1155 | f->menu_bar_items_used = 0; | |
88766961 | 1156 | } |
4dedbfe0 | 1157 | |
88766961 | 1158 | /* Create or update the menu bar widget. */ |
aa669def RS |
1159 | |
1160 | BLOCK_INPUT; | |
1161 | ||
488dd4c4 JD |
1162 | #ifdef USE_GTK |
1163 | xg_crazy_callback_abort = 1; | |
1164 | if (menubar_widget) | |
1165 | { | |
6b61353c | 1166 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1167 | menu trees we supply, rather than just the menu bar item names. */ |
1168 | xg_modify_menubar_widgets (menubar_widget, | |
1169 | f, | |
1170 | first_wv, | |
1171 | deep_p, | |
1172 | G_CALLBACK (menubar_selection_callback), | |
1173 | G_CALLBACK (popup_deactivate_callback), | |
1174 | G_CALLBACK (menu_highlight_callback)); | |
1175 | } | |
1176 | else | |
1177 | { | |
488dd4c4 | 1178 | menubar_widget |
177c0ea7 | 1179 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1180 | G_CALLBACK (menubar_selection_callback), |
1181 | G_CALLBACK (popup_deactivate_callback), | |
1182 | G_CALLBACK (menu_highlight_callback)); | |
1183 | ||
1184 | f->output_data.x->menubar_widget = menubar_widget; | |
1185 | } | |
1186 | ||
177c0ea7 | 1187 | |
488dd4c4 | 1188 | #else /* not USE_GTK */ |
18686d47 | 1189 | if (menubar_widget) |
4dedbfe0 PR |
1190 | { |
1191 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1192 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1193 | |
1194 | /* The third arg is DEEP_P, which says to consider the entire | |
1195 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1196 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1197 | |
c98fcf4b | 1198 | /* Re-enable the edit widget to resize. */ |
7556890b | 1199 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1200 | } |
18686d47 RS |
1201 | else |
1202 | { | |
9f6fcdc5 JD |
1203 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1204 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1205 | ||
3928f2b6 JD |
1206 | #ifdef USE_LUCID |
1207 | apply_systemfont_to_menu (f, f->output_data.x->column_widget); | |
1208 | #endif | |
1209 | menubar_widget = lw_create_widget ("menubar", "menubar", id, | |
1210 | first_wv, | |
7556890b | 1211 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1212 | 0, |
1213 | popup_activate_callback, | |
1214 | menubar_selection_callback, | |
850df50b GM |
1215 | popup_deactivate_callback, |
1216 | menu_highlight_callback); | |
7556890b | 1217 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1218 | |
1219 | /* Make menu pop down on C-g. */ | |
1220 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1221 | } |
1d1c1567 KH |
1222 | |
1223 | { | |
cf28cebc | 1224 | int menubar_size; |
723f5a07 J |
1225 | if (f->output_data.x->menubar_widget) |
1226 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1227 | ||
cf28cebc | 1228 | menubar_size |
7556890b RS |
1229 | = (f->output_data.x->menubar_widget |
1230 | ? (f->output_data.x->menubar_widget->core.height | |
1231 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1232 | : 0); |
1233 | ||
5c646d5a JD |
1234 | #if 1 /* Experimentally, we now get the right results |
1235 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1236 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1237 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1238 | #ifdef USE_LUCID |
1d1c1567 KH |
1239 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1240 | { | |
1241 | Dimension ibw = 0; | |
7556890b | 1242 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1243 | XtNinternalBorderWidth, &ibw, NULL); |
1244 | menubar_size += ibw; | |
1245 | } | |
5ee80bd3 | 1246 | #endif /* USE_LUCID */ |
5c646d5a | 1247 | #endif /* 1 */ |
1d1c1567 | 1248 | |
7556890b | 1249 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1250 | } |
488dd4c4 | 1251 | #endif /* not USE_GTK */ |
177c0ea7 | 1252 | |
18686d47 | 1253 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1254 | update_frame_menubar (f); |
18686d47 | 1255 | |
488dd4c4 JD |
1256 | #ifdef USE_GTK |
1257 | xg_crazy_callback_abort = 0; | |
1258 | #endif | |
1259 | ||
18686d47 RS |
1260 | UNBLOCK_INPUT; |
1261 | } | |
85f487d1 | 1262 | |
8e6208c5 | 1263 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1264 | before it is mapped, so that the window is mapped with the menubar already |
1265 | there instead of us tacking it on later and thrashing the window after it | |
1266 | is visible. */ | |
1267 | ||
1268 | void | |
971de7fb | 1269 | initialize_frame_menubar (FRAME_PTR f) |
4dedbfe0 PR |
1270 | { |
1271 | /* This function is called before the first chance to redisplay | |
1272 | the frame. It has to be, so the frame will have the right size. */ | |
1273 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); | |
88766961 | 1274 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1275 | } |
1276 | ||
aba25348 | 1277 | |
4dedbfe0 | 1278 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1279 | This is used when deleting a frame, and when turning off the menu bar. |
1280 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1281 | |
488dd4c4 | 1282 | #ifndef USE_GTK |
85f487d1 | 1283 | void |
ebd15611 | 1284 | free_frame_menubar (FRAME_PTR f) |
85f487d1 FP |
1285 | { |
1286 | Widget menubar_widget; | |
85f487d1 | 1287 | |
62af879c KL |
1288 | if (! FRAME_X_P (f)) |
1289 | abort (); | |
1290 | ||
7556890b | 1291 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1292 | |
1293 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1294 | |
85f487d1 FP |
1295 | if (menubar_widget) |
1296 | { | |
aba25348 GM |
1297 | #ifdef USE_MOTIF |
1298 | /* Removing the menu bar magically changes the shell widget's x | |
1299 | and y position of (0, 0) which, when the menu bar is turned | |
1300 | on again, leads to pull-down menuss appearing in strange | |
1301 | positions near the upper-left corner of the display. This | |
1302 | happens only with some window managers like twm and ctwm, | |
1303 | but not with other like Motif's mwm or kwm, because the | |
1304 | latter generate ConfigureNotify events when the menu bar | |
1305 | is switched off, which fixes the shell position. */ | |
1306 | Position x0, y0, x1, y1; | |
1307 | #endif | |
177c0ea7 | 1308 | |
85f487d1 | 1309 | BLOCK_INPUT; |
aba25348 GM |
1310 | |
1311 | #ifdef USE_MOTIF | |
ae556422 GM |
1312 | if (f->output_data.x->widget) |
1313 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1314 | #endif |
177c0ea7 | 1315 | |
7556890b | 1316 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1317 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1318 | |
ae556422 GM |
1319 | if (f->output_data.x->widget) |
1320 | { | |
23243f29 | 1321 | #ifdef USE_MOTIF |
ae556422 GM |
1322 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1323 | if (x1 == 0 && y1 == 0) | |
1324 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1325 | #endif |
23243f29 J |
1326 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
1327 | } | |
85f487d1 FP |
1328 | UNBLOCK_INPUT; |
1329 | } | |
1330 | } | |
488dd4c4 | 1331 | #endif /* not USE_GTK */ |
78589e07 | 1332 | |
488dd4c4 | 1333 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1334 | \f |
1335 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1336 | and returns the value selected from it. | |
1337 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1338 | Both assume input is blocked by the caller. */ | |
1339 | ||
1340 | /* F is the frame the menu is for. | |
1341 | X and Y are the frame-relative specified position, | |
1342 | relative to the inside upper left corner of the frame F. | |
c8b5aa3d | 1343 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
78589e07 RS |
1344 | KEYMAPS is 1 if this menu was specified with keymaps; |
1345 | in that case, we return a list containing the chosen item's value | |
1346 | and perhaps also the pane's prefix. | |
1347 | TITLE is the specified menu title. | |
1348 | ERROR is a place to store an error message string in case of failure. | |
1349 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1350 | |
488dd4c4 JD |
1351 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1352 | ||
1353 | /* The item selected in the popup menu. */ | |
1354 | static Lisp_Object *volatile menu_item_selection; | |
1355 | ||
1356 | #ifdef USE_GTK | |
1357 | ||
1358 | /* Used when position a popup menu. See menu_position_func and | |
1359 | create_and_show_popup_menu below. */ | |
1360 | struct next_popup_x_y | |
1361 | { | |
7b76ca1c | 1362 | FRAME_PTR f; |
488dd4c4 JD |
1363 | int x; |
1364 | int y; | |
1365 | }; | |
1366 | ||
1367 | /* The menu position function to use if we are not putting a popup | |
1368 | menu where the pointer is. | |
1369 | MENU is the menu to pop up. | |
1370 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1371 | PUSH_IN is not documented in the GTK manual. | |
1372 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1373 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1374 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1375 | |
1376 | Here only X and Y are used. */ | |
1377 | static void | |
971de7fb | 1378 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1379 | { |
7b76ca1c JD |
1380 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1381 | GtkRequisition req; | |
fd2f80c6 CY |
1382 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1383 | int disp_width = x_display_pixel_width (dpyinfo); | |
1384 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1385 | |
7b76ca1c JD |
1386 | *x = data->x; |
1387 | *y = data->y; | |
1388 | ||
1389 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1390 | the menu is fully visible. */ | |
0afb4571 | 1391 | gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &req); |
7b76ca1c JD |
1392 | if (data->x + req.width > disp_width) |
1393 | *x -= data->x + req.width - disp_width; | |
1394 | if (data->y + req.height > disp_height) | |
1395 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1396 | } |
1397 | ||
1398 | static void | |
971de7fb | 1399 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1400 | { |
1401 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1402 | ||
1403 | if (xg_crazy_callback_abort) return; | |
1404 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1405 | } | |
1406 | ||
af89e871 | 1407 | static Lisp_Object |
971de7fb | 1408 | pop_down_menu (Lisp_Object arg) |
af89e871 | 1409 | { |
a130b901 JD |
1410 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1411 | ||
af89e871 | 1412 | popup_activated_flag = 0; |
a130b901 JD |
1413 | BLOCK_INPUT; |
1414 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); | |
1415 | UNBLOCK_INPUT; | |
af89e871 JD |
1416 | return Qnil; |
1417 | } | |
1418 | ||
488dd4c4 JD |
1419 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1420 | menu pops down. | |
1421 | menu_item_selection will be set to the selection. */ | |
1422 | static void | |
971de7fb | 1423 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, int for_click, EMACS_UINT timestamp) |
488dd4c4 JD |
1424 | { |
1425 | int i; | |
1426 | GtkWidget *menu; | |
1427 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1428 | struct next_popup_x_y popup_x_y; | |
af89e871 | 1429 | int specpdl_count = SPECPDL_INDEX (); |
488dd4c4 | 1430 | |
62af879c KL |
1431 | if (! FRAME_X_P (f)) |
1432 | abort (); | |
1433 | ||
488dd4c4 JD |
1434 | xg_crazy_callback_abort = 1; |
1435 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1436 | G_CALLBACK (popup_selection_callback), | |
1437 | G_CALLBACK (popup_deactivate_callback), | |
1438 | G_CALLBACK (menu_highlight_callback)); | |
1439 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1440 | |
488dd4c4 JD |
1441 | if (! for_click) |
1442 | { | |
1443 | /* Not invoked by a click. pop up at x/y. */ | |
1444 | pos_func = menu_position_func; | |
1445 | ||
1446 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1447 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1448 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1449 | |
1450 | popup_x_y.x = x; | |
1451 | popup_x_y.y = y; | |
7b76ca1c | 1452 | popup_x_y.f = f; |
488dd4c4 | 1453 | |
9b85e63d JD |
1454 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1455 | } | |
1456 | else | |
1457 | { | |
1458 | for (i = 0; i < 5; i++) | |
1459 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1460 | break; | |
1461 | } | |
59cfb104 | 1462 | |
488dd4c4 JD |
1463 | /* Display the menu. */ |
1464 | gtk_widget_show_all (menu); | |
c0df13a6 | 1465 | |
a20903d0 | 1466 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
eb99095d | 1467 | timestamp > 0 ? timestamp : gtk_get_current_event_time()); |
177c0ea7 | 1468 | |
a130b901 | 1469 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1470 | |
e547b051 | 1471 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1472 | { |
1473 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1474 | two. show_help_echo uses this to detect popup menus. */ | |
1475 | popup_activated_flag = 1; | |
1476 | /* Process events that apply to the menu. */ | |
1477 | popup_widget_loop (1, menu); | |
1478 | } | |
488dd4c4 | 1479 | |
af89e871 | 1480 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1481 | |
488dd4c4 JD |
1482 | /* Must reset this manually because the button release event is not passed |
1483 | to Emacs event loop. */ | |
1484 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1485 | } | |
1486 | ||
1487 | #else /* not USE_GTK */ | |
18686d47 | 1488 | |
8ed87156 | 1489 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1490 | library. |
1491 | ||
1492 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1493 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1494 | |
88766961 RS |
1495 | For menu bars, we use numbers starting at 0, counted in |
1496 | next_menubar_widget_id. */ | |
8ed87156 | 1497 | LWLIB_ID widget_id_tick; |
165e1749 | 1498 | |
4dedbfe0 | 1499 | static void |
ebd15611 | 1500 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 PR |
1501 | { |
1502 | menu_item_selection = (Lisp_Object *) client_data; | |
1503 | } | |
1504 | ||
af89e871 JD |
1505 | /* ARG is the LWLIB ID of the dialog box, represented |
1506 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1507 | ||
1508 | static Lisp_Object | |
ebd15611 | 1509 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1510 | { |
1511 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1512 | | XINT (XCDR (arg))); | |
1513 | ||
1514 | BLOCK_INPUT; | |
1515 | lw_destroy_all_widgets (id); | |
1516 | UNBLOCK_INPUT; | |
1517 | popup_activated_flag = 0; | |
1518 | ||
1519 | return Qnil; | |
1520 | } | |
1521 | ||
488dd4c4 JD |
1522 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1523 | menu pops down. | |
1524 | menu_item_selection will be set to the selection. */ | |
1525 | static void | |
2b23d2a6 AS |
1526 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, |
1527 | int x, int y, int for_click, EMACS_UINT timestamp) | |
488dd4c4 JD |
1528 | { |
1529 | int i; | |
1530 | Arg av[2]; | |
1531 | int ac = 0; | |
1532 | XButtonPressedEvent dummy; | |
1533 | LWLIB_ID menu_id; | |
1534 | Widget menu; | |
488dd4c4 | 1535 | |
62af879c KL |
1536 | if (! FRAME_X_P (f)) |
1537 | abort (); | |
1538 | ||
3928f2b6 JD |
1539 | #ifdef USE_LUCID |
1540 | apply_systemfont_to_menu (f, f->output_data.x->widget); | |
1541 | #endif | |
1542 | ||
488dd4c4 JD |
1543 | menu_id = widget_id_tick++; |
1544 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1545 | f->output_data.x->widget, 1, 0, | |
1546 | popup_selection_callback, | |
1547 | popup_deactivate_callback, | |
1548 | menu_highlight_callback); | |
1549 | ||
1550 | dummy.type = ButtonPress; | |
1551 | dummy.serial = 0; | |
1552 | dummy.send_event = 0; | |
1553 | dummy.display = FRAME_X_DISPLAY (f); | |
1554 | dummy.time = CurrentTime; | |
1555 | dummy.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1556 | dummy.window = dummy.root; | |
1557 | dummy.subwindow = dummy.root; | |
1558 | dummy.x = x; | |
1559 | dummy.y = y; | |
1560 | ||
1561 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1562 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1563 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1564 | |
1565 | dummy.x_root = x; | |
1566 | dummy.y_root = y; | |
1567 | ||
1568 | dummy.state = 0; | |
1569 | dummy.button = 0; | |
1570 | for (i = 0; i < 5; i++) | |
1571 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1572 | dummy.button = i; | |
1573 | ||
1574 | /* Don't allow any geometry request from the user. */ | |
1575 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1576 | XtSetValues (menu, av, ac); | |
1577 | ||
1578 | /* Display the menu. */ | |
1579 | lw_popup_menu (menu, (XEvent *) &dummy); | |
1580 | popup_activated_flag = 1; | |
98a20c65 | 1581 | x_activate_timeout_atimer (); |
59cfb104 | 1582 | |
af89e871 JD |
1583 | { |
1584 | int fact = 4 * sizeof (LWLIB_ID); | |
1585 | int specpdl_count = SPECPDL_INDEX (); | |
1586 | record_unwind_protect (pop_down_menu, | |
1587 | Fcons (make_number (menu_id >> (fact)), | |
1588 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1589 | |
af89e871 | 1590 | /* Process events that apply to the menu. */ |
95bdef2e | 1591 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1592 | |
af89e871 JD |
1593 | unbind_to (specpdl_count, Qnil); |
1594 | } | |
488dd4c4 JD |
1595 | } |
1596 | ||
1597 | #endif /* not USE_GTK */ | |
1598 | ||
ef7417fd SM |
1599 | Lisp_Object |
1600 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, | |
d4323972 | 1601 | Lisp_Object title, const char **error_name, EMACS_UINT timestamp) |
18686d47 | 1602 | { |
78589e07 | 1603 | int i; |
78589e07 | 1604 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 RS |
1605 | widget_value **submenu_stack |
1606 | = (widget_value **) alloca (menu_items_used * sizeof (widget_value *)); | |
1607 | Lisp_Object *subprefix_stack | |
1608 | = (Lisp_Object *) alloca (menu_items_used * sizeof (Lisp_Object)); | |
1609 | int submenu_depth = 0; | |
4e8d3549 | 1610 | |
78c8278d RS |
1611 | int first_pane; |
1612 | ||
62af879c KL |
1613 | if (! FRAME_X_P (f)) |
1614 | abort (); | |
1615 | ||
d4323972 | 1616 | *error_name = NULL; |
78589e07 | 1617 | |
742f715d KH |
1618 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1619 | { | |
d4323972 | 1620 | *error_name = "Empty menu"; |
742f715d KH |
1621 | return Qnil; |
1622 | } | |
63c414df | 1623 | |
78589e07 RS |
1624 | /* Create a tree of widget_value objects |
1625 | representing the panes and their items. */ | |
f7fab165 | 1626 | wv = xmalloc_widget_value (); |
78589e07 RS |
1627 | wv->name = "menu"; |
1628 | wv->value = 0; | |
1629 | wv->enabled = 1; | |
3427a3db | 1630 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1631 | wv->help =Qnil; |
78589e07 | 1632 | first_wv = wv; |
78c8278d | 1633 | first_pane = 1; |
177c0ea7 | 1634 | |
78589e07 RS |
1635 | /* Loop over all panes and items, filling in the tree. */ |
1636 | i = 0; | |
1637 | while (i < menu_items_used) | |
1638 | { | |
101bb4a5 RS |
1639 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1640 | { | |
1641 | submenu_stack[submenu_depth++] = save_wv; | |
1642 | save_wv = prev_wv; | |
1643 | prev_wv = 0; | |
78c8278d | 1644 | first_pane = 1; |
101bb4a5 RS |
1645 | i++; |
1646 | } | |
1647 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1648 | { | |
1649 | prev_wv = save_wv; | |
1650 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1651 | first_pane = 0; |
101bb4a5 RS |
1652 | i++; |
1653 | } | |
1654 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt) | |
1655 | && submenu_depth != 0) | |
1656 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1657 | /* Ignore a nil in the item list. |
1658 | It's meaningful only for dialog boxes. */ | |
1659 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1660 | i += 1; | |
101bb4a5 | 1661 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
78589e07 RS |
1662 | { |
1663 | /* Create a new pane. */ | |
1664 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 1665 | const char *pane_string; |
177c0ea7 | 1666 | |
4c329aa8 GM |
1667 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1668 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1669 | |
703dc2a8 | 1670 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1671 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1672 | { | |
8af9fa55 | 1673 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1674 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1675 | } |
703dc2a8 | 1676 | #endif |
78589e07 | 1677 | pane_string = (NILP (pane_name) |
51b59d79 | 1678 | ? "" : SSDATA (pane_name)); |
101bb4a5 | 1679 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1680 | under the top-level menu. */ |
1681 | if (menu_items_n_panes == 1) | |
1682 | pane_string = ""; | |
1683 | ||
1684 | /* If the pane has a meaningful name, | |
1685 | make the pane a top-level menu item | |
1686 | with its items as a submenu beneath it. */ | |
78c8278d | 1687 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1688 | { |
f7fab165 | 1689 | wv = xmalloc_widget_value (); |
78589e07 RS |
1690 | if (save_wv) |
1691 | save_wv->next = wv; | |
1692 | else | |
1693 | first_wv->contents = wv; | |
1694 | wv->name = pane_string; | |
1695 | if (keymaps && !NILP (prefix)) | |
1696 | wv->name++; | |
1697 | wv->value = 0; | |
1698 | wv->enabled = 1; | |
3427a3db | 1699 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1700 | wv->help = Qnil; |
78c8278d RS |
1701 | save_wv = wv; |
1702 | prev_wv = 0; | |
78589e07 | 1703 | } |
78c8278d RS |
1704 | else if (first_pane) |
1705 | { | |
1706 | save_wv = wv; | |
1707 | prev_wv = 0; | |
1708 | } | |
1709 | first_pane = 0; | |
78589e07 RS |
1710 | i += MENU_ITEMS_PANE_LENGTH; |
1711 | } | |
1712 | else | |
1713 | { | |
1714 | /* Create a new item within current pane. */ | |
9cd50434 | 1715 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1716 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1717 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1718 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1719 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1720 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1721 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1722 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1723 | |
703dc2a8 | 1724 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1725 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1726 | { |
646f98ec | 1727 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1728 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1729 | } |
177c0ea7 | 1730 | |
3427a3db | 1731 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1732 | { |
646f98ec | 1733 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1734 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1735 | } |
1736 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1737 | |
f7fab165 | 1738 | wv = xmalloc_widget_value (); |
177c0ea7 | 1739 | if (prev_wv) |
78589e07 | 1740 | prev_wv->next = wv; |
177c0ea7 | 1741 | else |
78589e07 | 1742 | save_wv->contents = wv; |
51b59d79 | 1743 | wv->name = SSDATA (item_name); |
78589e07 | 1744 | if (!NILP (descrip)) |
51b59d79 | 1745 | wv->key = SSDATA (descrip); |
78589e07 | 1746 | wv->value = 0; |
a352a815 RS |
1747 | /* If this item has a null value, |
1748 | make the call_data null so that it won't display a box | |
1749 | when the mouse is on it. */ | |
1750 | wv->call_data | |
1751 | = (!NILP (def) ? (void *) &XVECTOR (menu_items)->contents[i] : 0); | |
78589e07 | 1752 | wv->enabled = !NILP (enable); |
3427a3db GM |
1753 | |
1754 | if (NILP (type)) | |
1755 | wv->button_type = BUTTON_TYPE_NONE; | |
1756 | else if (EQ (type, QCtoggle)) | |
1757 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1758 | else if (EQ (type, QCradio)) | |
1759 | wv->button_type = BUTTON_TYPE_RADIO; | |
1760 | else | |
1761 | abort (); | |
1762 | ||
1763 | wv->selected = !NILP (selected); | |
cc45fb40 | 1764 | |
0b1f4572 RS |
1765 | if (! STRINGP (help)) |
1766 | help = Qnil; | |
1767 | ||
1768 | wv->help = help; | |
cc45fb40 | 1769 | |
78589e07 RS |
1770 | prev_wv = wv; |
1771 | ||
1772 | i += MENU_ITEMS_ITEM_LENGTH; | |
1773 | } | |
1774 | } | |
1775 | ||
c98fcf4b | 1776 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1777 | if (!NILP (title)) |
1778 | { | |
f7fab165 RS |
1779 | widget_value *wv_title = xmalloc_widget_value (); |
1780 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1781 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1782 | |
1783 | wv_sep2->name = "--"; | |
1784 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1785 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1786 | |
1787 | wv_sep1->name = "--"; | |
1788 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1789 | wv_sep1->help = Qnil; |
4dedbfe0 | 1790 | |
703dc2a8 KH |
1791 | #ifndef HAVE_MULTILINGUAL_MENU |
1792 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1793 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1794 | #endif |
177c0ea7 | 1795 | |
51b59d79 | 1796 | wv_title->name = SSDATA (title); |
cc45fb40 | 1797 | wv_title->enabled = TRUE; |
3427a3db | 1798 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1799 | wv_title->help = Qnil; |
a9d8395f | 1800 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1801 | first_wv->contents = wv_title; |
1802 | } | |
1803 | ||
78589e07 RS |
1804 | /* No selection has been chosen yet. */ |
1805 | menu_item_selection = 0; | |
1806 | ||
488dd4c4 | 1807 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1808 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1809 | |
488dd4c4 JD |
1810 | /* Free the widget_value objects we used to specify the contents. */ |
1811 | free_menubar_widget_value_tree (first_wv); | |
18686d47 | 1812 | |
78589e07 RS |
1813 | /* Find the selected item, and its pane, to return |
1814 | the proper value. */ | |
1815 | if (menu_item_selection != 0) | |
1816 | { | |
c63f6952 | 1817 | Lisp_Object prefix, entry; |
78589e07 | 1818 | |
6bbd7a29 | 1819 | prefix = entry = Qnil; |
78589e07 RS |
1820 | i = 0; |
1821 | while (i < menu_items_used) | |
1822 | { | |
101bb4a5 RS |
1823 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1824 | { | |
1825 | subprefix_stack[submenu_depth++] = prefix; | |
1826 | prefix = entry; | |
1827 | i++; | |
1828 | } | |
1829 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1830 | { | |
1831 | prefix = subprefix_stack[--submenu_depth]; | |
1832 | i++; | |
1833 | } | |
1834 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
78589e07 RS |
1835 | { |
1836 | prefix | |
1837 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
1838 | i += MENU_ITEMS_PANE_LENGTH; | |
1839 | } | |
d31d42cc RS |
1840 | /* Ignore a nil in the item list. |
1841 | It's meaningful only for dialog boxes. */ | |
1842 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1843 | i += 1; | |
78589e07 RS |
1844 | else |
1845 | { | |
1846 | entry | |
1847 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
1848 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
1849 | { | |
1850 | if (keymaps != 0) | |
1851 | { | |
101bb4a5 RS |
1852 | int j; |
1853 | ||
78589e07 RS |
1854 | entry = Fcons (entry, Qnil); |
1855 | if (!NILP (prefix)) | |
1856 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1857 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1858 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1859 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1860 | } |
1861 | return entry; | |
1862 | } | |
1863 | i += MENU_ITEMS_ITEM_LENGTH; | |
1864 | } | |
1865 | } | |
1866 | } | |
be6ed24a RS |
1867 | else if (!for_click) |
1868 | /* Make "Cancel" equivalent to C-g. */ | |
1869 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1870 | |
1871 | return Qnil; | |
18686d47 | 1872 | } |
4dedbfe0 | 1873 | \f |
488dd4c4 JD |
1874 | #ifdef USE_GTK |
1875 | static void | |
971de7fb | 1876 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1877 | { |
1878 | /* The EMACS_INT cast avoids a warning. There's no problem | |
1879 | as long as pointers have enough bits to hold small integers. */ | |
1880 | if ((int) (EMACS_INT) client_data != -1) | |
1881 | menu_item_selection = (Lisp_Object *) client_data; | |
1882 | ||
1883 | popup_activated_flag = 0; | |
1884 | } | |
1885 | ||
1886 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1887 | dialog pops down. | |
1888 | menu_item_selection will be set to the selection. */ | |
1889 | static void | |
971de7fb | 1890 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1891 | { |
1892 | GtkWidget *menu; | |
1893 | ||
62af879c KL |
1894 | if (! FRAME_X_P (f)) |
1895 | abort (); | |
1896 | ||
488dd4c4 JD |
1897 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1898 | G_CALLBACK (dialog_selection_callback), | |
1899 | G_CALLBACK (popup_deactivate_callback), | |
1900 | 0); | |
1901 | ||
1902 | if (menu) | |
1903 | { | |
af89e871 | 1904 | int specpdl_count = SPECPDL_INDEX (); |
a130b901 | 1905 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1906 | |
488dd4c4 JD |
1907 | /* Display the menu. */ |
1908 | gtk_widget_show_all (menu); | |
1909 | ||
1910 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1911 | popup_widget_loop (1, menu); |
177c0ea7 | 1912 | |
af89e871 | 1913 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1914 | } |
1915 | } | |
1916 | ||
1917 | #else /* not USE_GTK */ | |
4dedbfe0 | 1918 | static void |
ebd15611 | 1919 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1920 | { |
01d5e892 RS |
1921 | /* The EMACS_INT cast avoids a warning. There's no problem |
1922 | as long as pointers have enough bits to hold small integers. */ | |
1923 | if ((int) (EMACS_INT) client_data != -1) | |
4dedbfe0 | 1924 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1925 | |
4dedbfe0 PR |
1926 | BLOCK_INPUT; |
1927 | lw_destroy_all_widgets (id); | |
1928 | UNBLOCK_INPUT; | |
9572375b | 1929 | popup_activated_flag = 0; |
4dedbfe0 | 1930 | } |
18686d47 | 1931 | |
488dd4c4 | 1932 | |
488dd4c4 JD |
1933 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1934 | dialog pops down. | |
1935 | menu_item_selection will be set to the selection. */ | |
1936 | static void | |
ebd15611 | 1937 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1938 | { |
1939 | LWLIB_ID dialog_id; | |
1940 | ||
62af879c KL |
1941 | if (!FRAME_X_P (f)) |
1942 | abort(); | |
1943 | ||
488dd4c4 | 1944 | dialog_id = widget_id_tick++; |
52214050 | 1945 | #ifdef USE_LUCID |
1ecb2d3f JD |
1946 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1947 | #endif | |
488dd4c4 JD |
1948 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1949 | f->output_data.x->widget, 1, 0, | |
1950 | dialog_selection_callback, 0, 0); | |
1951 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1952 | /* Display the dialog box. */ |
1953 | lw_pop_up_all_widgets (dialog_id); | |
1954 | popup_activated_flag = 1; | |
98a20c65 | 1955 | x_activate_timeout_atimer (); |
488dd4c4 JD |
1956 | |
1957 | /* Process events that apply to the dialog box. | |
1958 | Also handle timers. */ | |
1959 | { | |
1960 | int count = SPECPDL_INDEX (); | |
1961 | int fact = 4 * sizeof (LWLIB_ID); | |
177c0ea7 | 1962 | |
488dd4c4 | 1963 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 1964 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
1965 | Fcons (make_number (dialog_id >> (fact)), |
1966 | make_number (dialog_id & ~(-1 << (fact))))); | |
1967 | ||
df470e3b | 1968 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 1969 | dialog_id, 1); |
488dd4c4 JD |
1970 | |
1971 | unbind_to (count, Qnil); | |
1972 | } | |
1973 | } | |
1974 | ||
1975 | #endif /* not USE_GTK */ | |
1976 | ||
42ca4633 | 1977 | static const char * button_names [] = { |
165e1749 FP |
1978 | "button1", "button2", "button3", "button4", "button5", |
1979 | "button6", "button7", "button8", "button9", "button10" }; | |
1980 | ||
1981 | static Lisp_Object | |
42ca4633 J |
1982 | xdialog_show (FRAME_PTR f, |
1983 | int keymaps, | |
1984 | Lisp_Object title, | |
1985 | Lisp_Object header, | |
1986 | const char **error_name) | |
165e1749 FP |
1987 | { |
1988 | int i, nb_buttons=0; | |
80670155 | 1989 | char dialog_name[6]; |
165e1749 | 1990 | |
faa935b6 | 1991 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 1992 | |
fcaa7665 RS |
1993 | /* Number of elements seen so far, before boundary. */ |
1994 | int left_count = 0; | |
1995 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
1996 | int boundary_seen = 0; | |
1997 | ||
62af879c KL |
1998 | if (! FRAME_X_P (f)) |
1999 | abort (); | |
2000 | ||
6a040d6a | 2001 | *error_name = NULL; |
165e1749 | 2002 | |
80670155 RS |
2003 | if (menu_items_n_panes > 1) |
2004 | { | |
6a040d6a | 2005 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2006 | return Qnil; |
2007 | } | |
2008 | ||
165e1749 FP |
2009 | /* Create a tree of widget_value objects |
2010 | representing the text label and buttons. */ | |
2011 | { | |
2012 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2013 | const char *pane_string; |
165e1749 FP |
2014 | pane_name = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME]; |
2015 | prefix = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_PREFIX]; | |
2016 | pane_string = (NILP (pane_name) | |
51b59d79 | 2017 | ? "" : SSDATA (pane_name)); |
f7fab165 | 2018 | prev_wv = xmalloc_widget_value (); |
165e1749 FP |
2019 | prev_wv->value = pane_string; |
2020 | if (keymaps && !NILP (prefix)) | |
2021 | prev_wv->name++; | |
2022 | prev_wv->enabled = 1; | |
2023 | prev_wv->name = "message"; | |
27ad7b52 | 2024 | prev_wv->help = Qnil; |
165e1749 | 2025 | first_wv = prev_wv; |
177c0ea7 | 2026 | |
165e1749 FP |
2027 | /* Loop over all panes and items, filling in the tree. */ |
2028 | i = MENU_ITEMS_PANE_LENGTH; | |
2029 | while (i < menu_items_used) | |
2030 | { | |
177c0ea7 | 2031 | |
165e1749 FP |
2032 | /* Create a new item within current pane. */ |
2033 | Lisp_Object item_name, enable, descrip; | |
2034 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2035 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2036 | descrip | |
2037 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
177c0ea7 | 2038 | |
80670155 RS |
2039 | if (NILP (item_name)) |
2040 | { | |
2041 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2042 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2043 | return Qnil; |
2044 | } | |
fcaa7665 RS |
2045 | if (EQ (item_name, Qquote)) |
2046 | { | |
2047 | /* This is the boundary between left-side elts | |
2048 | and right-side elts. Stop incrementing right_count. */ | |
2049 | boundary_seen = 1; | |
2050 | i++; | |
2051 | continue; | |
2052 | } | |
86e71abf | 2053 | if (nb_buttons >= 9) |
80670155 RS |
2054 | { |
2055 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2056 | *error_name = "Too many dialog items"; |
80670155 RS |
2057 | return Qnil; |
2058 | } | |
2059 | ||
f7fab165 | 2060 | wv = xmalloc_widget_value (); |
165e1749 | 2061 | prev_wv->next = wv; |
80670155 | 2062 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2063 | if (!NILP (descrip)) |
51b59d79 PE |
2064 | wv->key = SSDATA (descrip); |
2065 | wv->value = SSDATA (item_name); | |
165e1749 FP |
2066 | wv->call_data = (void *) &XVECTOR (menu_items)->contents[i]; |
2067 | wv->enabled = !NILP (enable); | |
27ad7b52 | 2068 | wv->help = Qnil; |
165e1749 FP |
2069 | prev_wv = wv; |
2070 | ||
fcaa7665 RS |
2071 | if (! boundary_seen) |
2072 | left_count++; | |
2073 | ||
165e1749 FP |
2074 | nb_buttons++; |
2075 | i += MENU_ITEMS_ITEM_LENGTH; | |
2076 | } | |
2077 | ||
fcaa7665 RS |
2078 | /* If the boundary was not specified, |
2079 | by default put half on the left and half on the right. */ | |
2080 | if (! boundary_seen) | |
2081 | left_count = nb_buttons - nb_buttons / 2; | |
2082 | ||
f7fab165 | 2083 | wv = xmalloc_widget_value (); |
80670155 | 2084 | wv->name = dialog_name; |
27ad7b52 | 2085 | wv->help = Qnil; |
6a040d6a NR |
2086 | |
2087 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2088 | Can also have 'E' = Error if, one day, we want | |
2089 | a popup for errors. */ | |
2090 | if (NILP(header)) | |
2091 | dialog_name[0] = 'Q'; | |
2092 | else | |
2093 | dialog_name[0] = 'I'; | |
2094 | ||
80670155 RS |
2095 | /* Dialog boxes use a really stupid name encoding |
2096 | which specifies how many buttons to use | |
6a040d6a | 2097 | and how many buttons are on the right. */ |
80670155 RS |
2098 | dialog_name[1] = '0' + nb_buttons; |
2099 | dialog_name[2] = 'B'; | |
2100 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2101 | /* Number of buttons to put on the right. */ |
2102 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2103 | dialog_name[5] = 0; |
165e1749 FP |
2104 | wv->contents = first_wv; |
2105 | first_wv = wv; | |
165e1749 FP |
2106 | } |
2107 | ||
165e1749 FP |
2108 | /* No selection has been chosen yet. */ |
2109 | menu_item_selection = 0; | |
2110 | ||
488dd4c4 JD |
2111 | /* Actually create and show the dialog. */ |
2112 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2113 | |
488dd4c4 JD |
2114 | /* Free the widget_value objects we used to specify the contents. */ |
2115 | free_menubar_widget_value_tree (first_wv); | |
177c0ea7 | 2116 | |
488dd4c4 JD |
2117 | /* Find the selected item, and its pane, to return |
2118 | the proper value. */ | |
165e1749 FP |
2119 | if (menu_item_selection != 0) |
2120 | { | |
2121 | Lisp_Object prefix; | |
2122 | ||
2123 | prefix = Qnil; | |
2124 | i = 0; | |
2125 | while (i < menu_items_used) | |
2126 | { | |
2127 | Lisp_Object entry; | |
2128 | ||
2129 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
2130 | { | |
2131 | prefix | |
2132 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2133 | i += MENU_ITEMS_PANE_LENGTH; | |
2134 | } | |
85996cfb GM |
2135 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) |
2136 | { | |
2137 | /* This is the boundary between left-side elts and | |
2138 | right-side elts. */ | |
2139 | ++i; | |
2140 | } | |
165e1749 FP |
2141 | else |
2142 | { | |
2143 | entry | |
2144 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2145 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
2146 | { | |
2147 | if (keymaps != 0) | |
2148 | { | |
2149 | entry = Fcons (entry, Qnil); | |
2150 | if (!NILP (prefix)) | |
2151 | entry = Fcons (prefix, entry); | |
2152 | } | |
2153 | return entry; | |
2154 | } | |
2155 | i += MENU_ITEMS_ITEM_LENGTH; | |
2156 | } | |
2157 | } | |
2158 | } | |
9f6fcdc5 JD |
2159 | else |
2160 | /* Make "Cancel" equivalent to C-g. */ | |
2161 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2162 | |
2163 | return Qnil; | |
2164 | } | |
ba461919 | 2165 | |
488dd4c4 | 2166 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2167 | |
3e703b25 GM |
2168 | /* The frame of the last activated non-toolkit menu bar. |
2169 | Used to generate menu help events. */ | |
2170 | ||
2171 | static struct frame *menu_help_frame; | |
2172 | ||
2173 | ||
62145073 GM |
2174 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2175 | ||
2176 | PANE is the pane number, and ITEM is the menu item number in | |
2177 | the menu (currently not used). | |
177c0ea7 | 2178 | |
62145073 GM |
2179 | This cannot be done with generating a HELP_EVENT because |
2180 | XMenuActivate contains a loop that doesn't let Emacs process | |
2181 | keyboard events. */ | |
3e703b25 GM |
2182 | |
2183 | static void | |
0521f580 | 2184 | menu_help_callback (char *help_string, int pane, int item) |
3e703b25 | 2185 | { |
62145073 GM |
2186 | Lisp_Object *first_item; |
2187 | Lisp_Object pane_name; | |
2188 | Lisp_Object menu_object; | |
177c0ea7 | 2189 | |
62145073 GM |
2190 | first_item = XVECTOR (menu_items)->contents; |
2191 | if (EQ (first_item[0], Qt)) | |
2192 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2193 | else if (EQ (first_item[0], Qquote)) | |
2194 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2195 | pane_name = empty_unibyte_string; |
62145073 GM |
2196 | else |
2197 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2198 | |
62145073 GM |
2199 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2200 | menu_object = Fcons (Qmenu_item, | |
2201 | Fcons (pane_name, | |
2202 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2203 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
f868cd8a | 2204 | Qnil, menu_object, make_number (item)); |
3e703b25 | 2205 | } |
177c0ea7 | 2206 | |
af89e871 | 2207 | static Lisp_Object |
0521f580 | 2208 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2209 | { |
a130b901 JD |
2210 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2211 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2212 | |
a130b901 JD |
2213 | FRAME_PTR f = p1->pointer; |
2214 | XMenu *menu = p2->pointer; | |
af89e871 JD |
2215 | |
2216 | BLOCK_INPUT; | |
af89e871 | 2217 | #ifndef MSDOS |
a130b901 JD |
2218 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2219 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2220 | #endif |
a130b901 | 2221 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2222 | |
2223 | #ifdef HAVE_X_WINDOWS | |
2224 | /* Assume the mouse has moved out of the X window. | |
2225 | If it has actually moved in, we will get an EnterNotify. */ | |
2226 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2227 | ||
2228 | /* State that no mouse buttons are now held. | |
2229 | (The oldXMenu code doesn't track this info for us.) | |
2230 | That is not necessarily true, but the fiction leads to reasonable | |
2231 | results, and it is a pain to ask which are actually held now. */ | |
2232 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2233 | ||
2234 | #endif /* HAVE_X_WINDOWS */ | |
2235 | ||
2236 | UNBLOCK_INPUT; | |
2237 | ||
2238 | return Qnil; | |
2239 | } | |
2240 | ||
3e703b25 | 2241 | |
1fb99a3a | 2242 | Lisp_Object |
2b23d2a6 | 2243 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, |
38e41e0e | 2244 | Lisp_Object title, const char **error, EMACS_UINT timestamp) |
dcfdbac7 | 2245 | { |
177c0ea7 | 2246 | Window root; |
78589e07 RS |
2247 | XMenu *menu; |
2248 | int pane, selidx, lpane, status; | |
2249 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2250 | char *datap; |
2251 | int ulx, uly, width, height; | |
2252 | int dispwidth, dispheight; | |
453a4f1b | 2253 | int i, j, lines, maxlines; |
4e8d3549 | 2254 | int maxwidth; |
78589e07 RS |
2255 | int dummy_int; |
2256 | unsigned int dummy_uint; | |
af89e871 | 2257 | int specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2258 | |
a9e1244d | 2259 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
62af879c KL |
2260 | abort (); |
2261 | ||
07a675b7 | 2262 | *error = 0; |
78589e07 RS |
2263 | if (menu_items_n_panes == 0) |
2264 | return Qnil; | |
088831f6 | 2265 | |
742f715d KH |
2266 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2267 | { | |
2268 | *error = "Empty menu"; | |
2269 | return Qnil; | |
2270 | } | |
2271 | ||
78589e07 | 2272 | /* Figure out which root window F is on. */ |
92280f67 | 2273 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2274 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2275 | &dummy_uint, &dummy_uint); | |
18686d47 | 2276 | |
78589e07 | 2277 | /* Make the menu on that window. */ |
92280f67 | 2278 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2279 | if (menu == NULL) |
dcfdbac7 JB |
2280 | { |
2281 | *error = "Can't create menu"; | |
78589e07 | 2282 | return Qnil; |
dcfdbac7 | 2283 | } |
78589e07 | 2284 | |
d130d129 RS |
2285 | /* Don't GC while we prepare and show the menu, |
2286 | because we give the oldxmenu library pointers to the | |
2287 | contents of strings. */ | |
2288 | inhibit_garbage_collection (); | |
2289 | ||
87485d6f | 2290 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2291 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2292 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2293 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2294 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2295 | |
2296 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2297 | x += f->left_pos; |
2298 | y += f->top_pos; | |
177c0ea7 | 2299 | |
78589e07 | 2300 | /* Create all the necessary panes and their items. */ |
453a4f1b | 2301 | maxlines = lines = i = 0; |
78589e07 | 2302 | while (i < menu_items_used) |
dcfdbac7 | 2303 | { |
78589e07 | 2304 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
dcfdbac7 | 2305 | { |
78589e07 RS |
2306 | /* Create a new pane. */ |
2307 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2308 | const char *pane_string; |
78589e07 | 2309 | |
453a4f1b JD |
2310 | maxlines = max (maxlines, lines); |
2311 | lines = 0; | |
78589e07 RS |
2312 | pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME]; |
2313 | prefix = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2314 | pane_string = (NILP (pane_name) | |
51b59d79 | 2315 | ? "" : SSDATA (pane_name)); |
78589e07 RS |
2316 | if (keymaps && !NILP (prefix)) |
2317 | pane_string++; | |
2318 | ||
92280f67 | 2319 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2320 | if (lpane == XM_FAILURE) |
2321 | { | |
92280f67 | 2322 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
78589e07 RS |
2323 | *error = "Can't create pane"; |
2324 | return Qnil; | |
2325 | } | |
2326 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2327 | |
2328 | /* Find the width of the widest item in this pane. */ | |
2329 | maxwidth = 0; | |
2330 | j = i; | |
2331 | while (j < menu_items_used) | |
2332 | { | |
2333 | Lisp_Object item; | |
2334 | item = XVECTOR (menu_items)->contents[j]; | |
2335 | if (EQ (item, Qt)) | |
2336 | break; | |
2337 | if (NILP (item)) | |
2338 | { | |
2339 | j++; | |
2340 | continue; | |
2341 | } | |
d5db4077 | 2342 | width = SBYTES (item); |
4e8d3549 RS |
2343 | if (width > maxwidth) |
2344 | maxwidth = width; | |
2345 | ||
2346 | j += MENU_ITEMS_ITEM_LENGTH; | |
2347 | } | |
dcfdbac7 | 2348 | } |
fcaa7665 RS |
2349 | /* Ignore a nil in the item list. |
2350 | It's meaningful only for dialog boxes. */ | |
2351 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
2352 | i += 1; | |
78589e07 | 2353 | else |
dcfdbac7 | 2354 | { |
78589e07 | 2355 | /* Create a new item within current pane. */ |
3e703b25 | 2356 | Lisp_Object item_name, enable, descrip, help; |
4e8d3549 | 2357 | unsigned char *item_data; |
3e703b25 | 2358 | char *help_string; |
78589e07 RS |
2359 | |
2360 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2361 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2362 | descrip | |
2363 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
3e703b25 | 2364 | help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP]; |
d5db4077 | 2365 | help_string = STRINGP (help) ? SDATA (help) : NULL; |
177c0ea7 | 2366 | |
78589e07 | 2367 | if (!NILP (descrip)) |
4e8d3549 | 2368 | { |
d5db4077 | 2369 | int gap = maxwidth - SBYTES (item_name); |
4e8d3549 RS |
2370 | /* if alloca is fast, use that to make the space, |
2371 | to reduce gc needs. */ | |
2372 | item_data | |
2373 | = (unsigned char *) alloca (maxwidth | |
d5db4077 | 2374 | + SBYTES (descrip) + 1); |
72af86bd | 2375 | memcpy (item_data, SDATA (item_name), SBYTES (item_name)); |
d5db4077 | 2376 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2377 | item_data[j] = ' '; |
72af86bd | 2378 | memcpy (item_data + j, SDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2379 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2380 | } |
2381 | else | |
d5db4077 | 2382 | item_data = SDATA (item_name); |
78589e07 | 2383 | |
92280f67 RS |
2384 | if (XMenuAddSelection (FRAME_X_DISPLAY (f), |
2385 | menu, lpane, 0, item_data, | |
3e703b25 | 2386 | !NILP (enable), help_string) |
dcfdbac7 JB |
2387 | == XM_FAILURE) |
2388 | { | |
92280f67 | 2389 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
dcfdbac7 | 2390 | *error = "Can't add selection to menu"; |
78589e07 | 2391 | return Qnil; |
dcfdbac7 | 2392 | } |
78589e07 | 2393 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2394 | lines++; |
dcfdbac7 JB |
2395 | } |
2396 | } | |
4e8d3549 | 2397 | |
453a4f1b JD |
2398 | maxlines = max (maxlines, lines); |
2399 | ||
78589e07 | 2400 | /* All set and ready to fly. */ |
92280f67 | 2401 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2402 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2403 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2404 | x = min (x, dispwidth); |
2405 | y = min (y, dispheight); | |
2406 | x = max (x, 1); | |
2407 | y = max (y, 1); | |
92280f67 | 2408 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2409 | &ulx, &uly, &width, &height); |
2410 | if (ulx+width > dispwidth) | |
2411 | { | |
78589e07 | 2412 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2413 | ulx = dispwidth - width; |
2414 | } | |
2415 | if (uly+height > dispheight) | |
2416 | { | |
78589e07 | 2417 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2418 | uly = dispheight - height; |
2419 | } | |
2de7397f EZ |
2420 | #ifndef HAVE_X_WINDOWS |
2421 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2422 | { | |
2423 | /* Move the menu away of the echo area, to avoid overwriting the | |
2424 | menu with help echo messages or vice versa. */ | |
2425 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2426 | { | |
2427 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2428 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2429 | } | |
2430 | else | |
2431 | { | |
2432 | y--; | |
2433 | uly--; | |
2434 | } | |
2435 | } | |
2436 | #endif | |
78589e07 RS |
2437 | if (ulx < 0) x -= ulx; |
2438 | if (uly < 0) y -= uly; | |
121e4555 | 2439 | |
453a4f1b JD |
2440 | if (! for_click) |
2441 | { | |
2442 | /* If position was not given by a mouse click, adjust so upper left | |
2443 | corner of the menu as a whole ends up at given coordinates. This | |
2444 | is what x-popup-menu says in its documentation. */ | |
2445 | x += width/2; | |
2446 | y += 1.5*height/(maxlines+2); | |
2447 | } | |
2448 | ||
121e4555 | 2449 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2450 | XMenuSetFreeze (menu, TRUE); |
2451 | pane = selidx = 0; | |
3e703b25 | 2452 | |
c3438661 JD |
2453 | #ifndef MSDOS |
2454 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2455 | #endif | |
59cfb104 | 2456 | |
a130b901 JD |
2457 | record_unwind_protect (pop_down_menu, |
2458 | Fcons (make_save_value (f, 0), | |
2459 | make_save_value (menu, 0))); | |
c3438661 | 2460 | |
3e703b25 GM |
2461 | /* Help display under X won't work because XMenuActivate contains |
2462 | a loop that doesn't give Emacs a chance to process it. */ | |
2463 | menu_help_frame = f; | |
92280f67 | 2464 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2465 | x, y, ButtonReleaseMask, &datap, |
2466 | menu_help_callback); | |
a352a815 | 2467 | |
dcfdbac7 JB |
2468 | switch (status) |
2469 | { | |
2470 | case XM_SUCCESS: | |
2471 | #ifdef XDEBUG | |
2472 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2473 | #endif | |
fa6d54d9 | 2474 | |
78589e07 RS |
2475 | /* Find the item number SELIDX in pane number PANE. */ |
2476 | i = 0; | |
2477 | while (i < menu_items_used) | |
fa6d54d9 | 2478 | { |
78589e07 | 2479 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
088831f6 | 2480 | { |
78589e07 RS |
2481 | if (pane == 0) |
2482 | pane_prefix | |
2483 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2484 | pane--; | |
2485 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2486 | } |
78589e07 | 2487 | else |
ab6ee1a0 | 2488 | { |
78589e07 | 2489 | if (pane == -1) |
ab6ee1a0 | 2490 | { |
78589e07 | 2491 | if (selidx == 0) |
ab6ee1a0 | 2492 | { |
78589e07 RS |
2493 | entry |
2494 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2495 | if (keymaps != 0) | |
ab6ee1a0 | 2496 | { |
78589e07 RS |
2497 | entry = Fcons (entry, Qnil); |
2498 | if (!NILP (pane_prefix)) | |
2499 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2500 | } |
78589e07 | 2501 | break; |
ab6ee1a0 | 2502 | } |
78589e07 | 2503 | selidx--; |
ab6ee1a0 | 2504 | } |
78589e07 | 2505 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2506 | } |
2507 | } | |
78589e07 | 2508 | break; |
dcfdbac7 | 2509 | |
78589e07 | 2510 | case XM_FAILURE: |
78589e07 RS |
2511 | *error = "Can't activate menu"; |
2512 | case XM_IA_SELECT: | |
9f6fcdc5 JD |
2513 | entry = Qnil; |
2514 | break; | |
78589e07 | 2515 | case XM_NO_SELECT: |
be6ed24a RS |
2516 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2517 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2518 | if (! for_click) |
2519 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
2520 | entry = Qnil; |
2521 | break; | |
dcfdbac7 | 2522 | } |
a5285df3 | 2523 | |
af89e871 | 2524 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2525 | |
78589e07 | 2526 | return entry; |
dcfdbac7 | 2527 | } |
4dedbfe0 | 2528 | |
78589e07 | 2529 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2530 | |
2531 | #endif /* HAVE_MENUS */ | |
e3135734 | 2532 | |
d009ae66 EZ |
2533 | #ifndef MSDOS |
2534 | /* Detect if a dialog or menu has been posted. MSDOS has its own | |
2535 | implementation on msdos.c. */ | |
b79b8a1c CY |
2536 | |
2537 | int | |
971de7fb | 2538 | popup_activated (void) |
b79b8a1c CY |
2539 | { |
2540 | return popup_activated_flag; | |
2541 | } | |
d009ae66 | 2542 | #endif /* not MSDOS */ |
e3135734 CY |
2543 | |
2544 | /* The following is used by delayed window autoselection. */ | |
2545 | ||
2546 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2547 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2548 | (void) |
e3135734 CY |
2549 | { |
2550 | #ifdef HAVE_MENUS | |
2551 | return (popup_activated ()) ? Qt : Qnil; | |
2552 | #else | |
2553 | return Qnil; | |
2554 | #endif /* HAVE_MENUS */ | |
2555 | } | |
088831f6 | 2556 | \f |
dfcf069d | 2557 | void |
971de7fb | 2558 | syms_of_xmenu (void) |
dcfdbac7 | 2559 | { |
d67b4f80 | 2560 | Qdebug_on_next_call = intern_c_string ("debug-on-next-call"); |
0314aacb RS |
2561 | staticpro (&Qdebug_on_next_call); |
2562 | ||
8ed87156 | 2563 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2564 | widget_id_tick = (1<<16); |
88766961 | 2565 | next_menubar_widget_id = 1; |
8ed87156 RS |
2566 | #endif |
2567 | ||
508fb067 | 2568 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2569 | |
2570 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2571 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2572 | Ffset (intern_c_string ("accelerate-menu"), |
2573 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2574 | #endif |
2575 | ||
1e659e4c | 2576 | #ifdef HAVE_MENUS |
165e1749 | 2577 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2578 | #endif |
dcfdbac7 | 2579 | } |