Commit | Line | Data |
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dcfdbac7 | 1 | /* X Communication module for terminals which understand the X protocol. |
95df8112 | 2 | |
acaf905b | 3 | Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2012 |
95df8112 | 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" |
e5560ff7 | 50 | #include "character.h" |
88766961 | 51 | #include "buffer.h" |
cc45fb40 SM |
52 | #include "charset.h" |
53 | #include "coding.h" | |
c3438661 | 54 | #include "sysselect.h" |
dcfdbac7 | 55 | |
eeee3112 RS |
56 | #ifdef MSDOS |
57 | #include "msdos.h" | |
58 | #endif | |
59 | ||
87485d6f | 60 | #ifdef HAVE_X_WINDOWS |
dcfdbac7 JB |
61 | /* This may include sys/types.h, and that somehow loses |
62 | if this is not done before the other system files. */ | |
63 | #include "xterm.h" | |
87485d6f | 64 | #endif |
dcfdbac7 JB |
65 | |
66 | /* Load sys/types.h if not already loaded. | |
67 | In some systems loading it twice is suicidal. */ | |
68 | #ifndef makedev | |
69 | #include <sys/types.h> | |
70 | #endif | |
71 | ||
72 | #include "dispextern.h" | |
73 | ||
87485d6f | 74 | #ifdef HAVE_X_WINDOWS |
646f98ec DL |
75 | /* Defining HAVE_MULTILINGUAL_MENU would mean that the toolkit menu |
76 | code accepts the Emacs internal encoding. */ | |
703dc2a8 | 77 | #undef HAVE_MULTILINGUAL_MENU |
18686d47 | 78 | #ifdef USE_X_TOOLKIT |
991786dd | 79 | #include "widget.h" |
18686d47 RS |
80 | #include <X11/Xlib.h> |
81 | #include <X11/IntrinsicP.h> | |
82 | #include <X11/CoreP.h> | |
83 | #include <X11/StringDefs.h> | |
60f312e2 | 84 | #include <X11/Shell.h> |
5ee80bd3 | 85 | #ifdef USE_LUCID |
99852628 JD |
86 | #include "xsettings.h" |
87 | #include "../lwlib/xlwmenu.h" | |
5262c5c7 CY |
88 | #ifdef HAVE_XAW3D |
89 | #include <X11/Xaw3d/Paned.h> | |
90 | #else /* !HAVE_XAW3D */ | |
1d1c1567 | 91 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 92 | #endif /* HAVE_XAW3D */ |
5ee80bd3 | 93 | #endif /* USE_LUCID */ |
c865c575 | 94 | #ifdef USE_MOTIF |
dee186b6 | 95 | #include "../lwlib/lwlib.h" |
c865c575 | 96 | #endif |
a352a815 | 97 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 | 98 | #ifndef USE_GTK |
a352a815 | 99 | #include "../oldXMenu/XMenu.h" |
488dd4c4 | 100 | #endif |
a352a815 RS |
101 | #endif /* not USE_X_TOOLKIT */ |
102 | #endif /* HAVE_X_WINDOWS */ | |
18686d47 | 103 | |
e7c9048f AS |
104 | #ifdef USE_GTK |
105 | #include "gtkutil.h" | |
93d5ca1f JD |
106 | #ifdef HAVE_GTK3 |
107 | #include "xgselect.h" | |
108 | #endif | |
e7c9048f AS |
109 | #endif |
110 | ||
111 | #include "menu.h" | |
112 | ||
dcfdbac7 JB |
113 | #ifndef TRUE |
114 | #define TRUE 1 | |
78589e07 | 115 | #endif /* no TRUE */ |
dcfdbac7 | 116 | |
955cbe7b | 117 | static Lisp_Object Qdebug_on_next_call; |
0314aacb | 118 | |
04bab72c | 119 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
f57e2426 | 120 | static Lisp_Object xdialog_show (FRAME_PTR, int, Lisp_Object, Lisp_Object, |
42ca4633 | 121 | const char **); |
3427a3db | 122 | #endif |
78589e07 | 123 | \f |
4dedbfe0 | 124 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 125 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 126 | static int popup_activated_flag; |
4dedbfe0 | 127 | |
bd3a4da2 | 128 | \f |
88766961 | 129 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 130 | |
281585b0 PE |
131 | static int next_menubar_widget_id; |
132 | ||
7556890b | 133 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 134 | |
88766961 | 135 | static struct frame * |
ebd15611 | 136 | menubar_id_to_frame (LWLIB_ID id) |
88766961 RS |
137 | { |
138 | Lisp_Object tail, frame; | |
139 | FRAME_PTR f; | |
bd3a4da2 | 140 | |
8e50cc2d | 141 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
bd3a4da2 | 142 | { |
8e713be6 | 143 | frame = XCAR (tail); |
8e50cc2d | 144 | if (!FRAMEP (frame)) |
88766961 RS |
145 | continue; |
146 | f = XFRAME (frame); | |
2d764c78 | 147 | if (!FRAME_WINDOW_P (f)) |
88766961 | 148 | continue; |
7556890b | 149 | if (f->output_data.x->id == id) |
88766961 | 150 | return f; |
bd3a4da2 | 151 | } |
88766961 | 152 | return 0; |
bd3a4da2 | 153 | } |
88766961 RS |
154 | |
155 | #endif | |
4dedbfe0 | 156 | \f |
a894238b JD |
157 | #ifdef HAVE_X_WINDOWS |
158 | /* Return the mouse position in *X and *Y. The coordinates are window | |
159 | relative for the edit window in frame F. | |
160 | This is for Fx_popup_menu. The mouse_position_hook can not | |
161 | be used for X, as it returns window relative coordinates | |
162 | for the window where the mouse is in. This could be the menu bar, | |
163 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
164 | sure it is the edit window. */ | |
ef7417fd | 165 | void |
971de7fb | 166 | mouse_position_for_popup (FRAME_PTR f, int *x, int *y) |
a894238b JD |
167 | { |
168 | Window root, dummy_window; | |
169 | int dummy; | |
170 | ||
62af879c KL |
171 | if (! FRAME_X_P (f)) |
172 | abort (); | |
173 | ||
a894238b | 174 | BLOCK_INPUT; |
177c0ea7 | 175 | |
a894238b JD |
176 | XQueryPointer (FRAME_X_DISPLAY (f), |
177 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
178 | ||
179 | /* The root window which contains the pointer. */ | |
180 | &root, | |
181 | ||
182 | /* Window pointer is on, not used */ | |
183 | &dummy_window, | |
184 | ||
185 | /* The position on that root window. */ | |
186 | x, y, | |
187 | ||
188 | /* x/y in dummy_window coordinates, not used. */ | |
189 | &dummy, &dummy, | |
190 | ||
191 | /* Modifier keys and pointer buttons, about which | |
192 | we don't care. */ | |
193 | (unsigned int *) &dummy); | |
194 | ||
195 | UNBLOCK_INPUT; | |
196 | ||
197 | /* xmenu_show expects window coordinates, not root window | |
198 | coordinates. Translate. */ | |
9882535b KS |
199 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
200 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
201 | } |
202 | ||
203 | #endif /* HAVE_X_WINDOWS */ | |
204 | ||
1e659e4c RS |
205 | #ifdef HAVE_MENUS |
206 | ||
a7ca3326 | 207 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 208 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
209 | POSITION specifies which frame to use. |
210 | This is normally a mouse button event or a window or frame. | |
211 | If POSITION is t, it means to use the frame the mouse is on. | |
212 | The dialog box appears in the middle of the specified frame. | |
213 | ||
214 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 215 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
216 | Each ITEM is a cons cell (STRING . VALUE). |
217 | The return value is VALUE from the chosen item. | |
218 | ||
219 | An ITEM may also be just a string--that makes a nonselectable item. | |
220 | An ITEM may also be nil--that means to put all preceding items | |
221 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
222 | \(By default, approximately half appear on each side.) |
223 | ||
6a040d6a NR |
224 | If HEADER is non-nil, the frame title for the box is "Information", |
225 | otherwise it is "Question". | |
226 | ||
c05fe5d5 LT |
227 | If the user gets rid of the dialog box without making a valid choice, |
228 | for instance using the window manager, then this produces a quit and | |
229 | `x-popup-dialog' does not return. */) | |
5842a27b | 230 | (Lisp_Object position, Lisp_Object contents, Lisp_Object header) |
165e1749 | 231 | { |
cc45fb40 | 232 | FRAME_PTR f = NULL; |
99fe880d | 233 | Lisp_Object window; |
165e1749 FP |
234 | |
235 | check_x (); | |
236 | ||
99fe880d | 237 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 238 | if (EQ (position, Qt) |
2b06561a DL |
239 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
240 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 241 | { |
b14db4d7 | 242 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 243 | /* Use the mouse's current position. */ |
b404828f | 244 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 245 | Lisp_Object bar_window; |
cc45fb40 | 246 | enum scroll_bar_part part; |
08dc5ae6 | 247 | Time time; |
99fe880d | 248 | Lisp_Object x, y; |
165e1749 | 249 | |
46b657e2 | 250 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 251 | |
99fe880d | 252 | if (new_f != 0) |
a39f0477 | 253 | XSETFRAME (window, new_f); |
99fe880d RS |
254 | else |
255 | window = selected_window; | |
b14db4d7 | 256 | #endif |
88d4f6ec | 257 | window = selected_window; |
99fe880d RS |
258 | } |
259 | else if (CONSP (position)) | |
260 | { | |
261 | Lisp_Object tem; | |
262 | tem = Fcar (position); | |
b5bb2705 | 263 | if (CONSP (tem)) |
99fe880d | 264 | window = Fcar (Fcdr (position)); |
80670155 RS |
265 | else |
266 | { | |
99fe880d RS |
267 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
268 | window = Fcar (tem); /* POSN_WINDOW (tem) */ | |
165e1749 | 269 | } |
165e1749 | 270 | } |
99fe880d RS |
271 | else if (WINDOWP (position) || FRAMEP (position)) |
272 | window = position; | |
a9be6839 RS |
273 | else |
274 | window = Qnil; | |
165e1749 | 275 | |
99fe880d | 276 | /* Decode where to put the menu. */ |
165e1749 | 277 | |
b5bb2705 | 278 | if (FRAMEP (window)) |
99fe880d | 279 | f = XFRAME (window); |
b5bb2705 | 280 | else if (WINDOWP (window)) |
165e1749 | 281 | { |
b7826503 | 282 | CHECK_LIVE_WINDOW (window); |
99fe880d | 283 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 284 | } |
99fe880d RS |
285 | else |
286 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
287 | but I don't want to make one now. */ | |
b7826503 | 288 | CHECK_WINDOW (window); |
165e1749 | 289 | |
a9e1244d EZ |
290 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
291 | error ("Can not put X dialog on this terminal"); | |
62af879c | 292 | |
5da9fdfa YM |
293 | /* Force a redisplay before showing the dialog. If a frame is created |
294 | just before showing the dialog, its contents may not have been fully | |
295 | drawn, as this depends on timing of events from the X server. Redisplay | |
296 | is not done when a dialog is shown. If redisplay could be done in the | |
297 | X event loop (i.e. the X event loop does not run in a signal handler) | |
298 | this would not be needed. | |
299 | ||
300 | Do this before creating the widget value that points to Lisp | |
301 | string contents, because Fredisplay may GC and relocate them. */ | |
302 | Fredisplay (Qt); | |
303 | ||
488dd4c4 | 304 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
305 | /* Display a menu with these alternatives |
306 | in the middle of frame F. */ | |
307 | { | |
308 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
309 | XSETFRAME (frame, f); |
310 | XSETINT (x, x_pixel_width (f) / 2); | |
311 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
312 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
313 | ||
314 | return Fx_popup_menu (newpos, | |
315 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
316 | } | |
317 | #else | |
318 | { | |
319 | Lisp_Object title; | |
42ca4633 | 320 | const char *error_name; |
99fe880d | 321 | Lisp_Object selection; |
d311d28c | 322 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
165e1749 | 323 | |
99fe880d RS |
324 | /* Decode the dialog items from what was specified. */ |
325 | title = Fcar (contents); | |
b7826503 | 326 | CHECK_STRING (title); |
86fad4ec | 327 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 328 | |
6b61353c KH |
329 | if (NILP (Fcar (Fcdr (contents)))) |
330 | /* No buttons specified, add an "Ok" button so users can pop down | |
331 | the dialog. Also, the lesstif/motif version crashes if there are | |
332 | no buttons. */ | |
333 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 334 | |
99fe880d | 335 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 336 | |
99fe880d RS |
337 | /* Display them in a dialog box. */ |
338 | BLOCK_INPUT; | |
6a040d6a | 339 | selection = xdialog_show (f, 0, title, header, &error_name); |
99fe880d | 340 | UNBLOCK_INPUT; |
165e1749 | 341 | |
86fad4ec | 342 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
343 | discard_menu_items (); |
344 | ||
f390e2d5 | 345 | if (error_name) error ("%s", error_name); |
99fe880d RS |
346 | return selection; |
347 | } | |
7464b131 | 348 | #endif |
392d3f4b | 349 | } |
c3438661 JD |
350 | |
351 | ||
352 | #ifndef MSDOS | |
353 | ||
4475bec4 PE |
354 | #if defined USE_GTK || defined USE_MOTIF |
355 | ||
b3935289 JD |
356 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
357 | ||
358 | void | |
971de7fb | 359 | x_menu_set_in_use (int in_use) |
b3935289 JD |
360 | { |
361 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 362 | popup_activated_flag = in_use; |
73dba342 | 363 | #ifdef USE_X_TOOLKIT |
98a20c65 CY |
364 | if (popup_activated_flag) |
365 | x_activate_timeout_atimer (); | |
73dba342 | 366 | #endif |
b3935289 JD |
367 | } |
368 | ||
4475bec4 PE |
369 | #endif |
370 | ||
c3438661 JD |
371 | /* Wait for an X event to arrive or for a timer to expire. */ |
372 | ||
6f37259d PE |
373 | #ifndef USE_MOTIF |
374 | static | |
375 | #endif | |
b3935289 | 376 | void |
c3438661 JD |
377 | x_menu_wait_for_event (void *data) |
378 | { | |
c3438661 JD |
379 | /* Another way to do this is to register a timer callback, that can be |
380 | done in GTK and Xt. But we have to do it like this when using only X | |
381 | anyway, and with callbacks we would have three variants for timer handling | |
382 | instead of the small ifdefs below. */ | |
383 | ||
384 | while ( | |
385 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 386 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
387 | #elif defined USE_GTK |
388 | ! gtk_events_pending () | |
389 | #else | |
390 | ! XPending ((Display*) data) | |
391 | #endif | |
392 | ) | |
393 | { | |
f868cd8a | 394 | EMACS_TIME next_time = timer_check (), *ntp; |
c3438661 JD |
395 | long secs = EMACS_SECS (next_time); |
396 | long usecs = EMACS_USECS (next_time); | |
397 | SELECT_TYPE read_fds; | |
398 | struct x_display_info *dpyinfo; | |
399 | int n = 0; | |
400 | ||
401 | FD_ZERO (&read_fds); | |
402 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
403 | { | |
404 | int fd = ConnectionNumber (dpyinfo->display); | |
405 | FD_SET (fd, &read_fds); | |
406 | if (fd > n) n = fd; | |
11814156 | 407 | XFlush (dpyinfo->display); |
c3438661 JD |
408 | } |
409 | ||
e90292a9 JD |
410 | if (secs < 0 && usecs < 0) |
411 | ntp = 0; | |
412 | else | |
413 | ntp = &next_time; | |
c3438661 | 414 | |
93d5ca1f JD |
415 | #ifdef HAVE_GTK3 |
416 | /* Gtk3 have arrows on menus when they don't fit. When the pointer is | |
417 | over an arrow, a timeout scrolls it a bit. Use xg_select so that | |
418 | timeout gets triggered. */ | |
419 | ||
420 | xg_select (n + 1, &read_fds, (SELECT_TYPE *)0, (SELECT_TYPE *)0, ntp); | |
421 | #else | |
e90292a9 | 422 | select (n + 1, &read_fds, (SELECT_TYPE *)0, (SELECT_TYPE *)0, ntp); |
93d5ca1f | 423 | #endif |
c3438661 JD |
424 | } |
425 | } | |
426 | #endif /* ! MSDOS */ | |
427 | ||
78589e07 | 428 | \f |
488dd4c4 | 429 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 430 | |
f1d1cd24 JD |
431 | #ifdef USE_X_TOOLKIT |
432 | ||
4dedbfe0 | 433 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 434 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
435 | and x-popup-dialog; it is not used for the menu bar. |
436 | ||
2e2b8e22 | 437 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 438 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 439 | |
f02cac82 | 440 | static void |
ebd15611 | 441 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 442 | { |
4dedbfe0 | 443 | XEvent event; |
f02cac82 | 444 | |
8b806a85 JD |
445 | while (popup_activated_flag) |
446 | { | |
c0b0f54b | 447 | if (initial_event) |
8b806a85 JD |
448 | { |
449 | event = *initial_event; | |
450 | initial_event = 0; | |
451 | } | |
452 | else | |
c3438661 JD |
453 | { |
454 | if (do_timers) x_menu_wait_for_event (0); | |
455 | XtAppNextEvent (Xt_app_con, &event); | |
456 | } | |
78589e07 | 457 | |
10624005 | 458 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
459 | And make sure to deactivate for any ButtonRelease, |
460 | even if XtDispatchEvent doesn't do that. */ | |
461 | if (event.type == ButtonRelease | |
462 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
463 | { |
464 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 465 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
466 | Btn1Down seems the only way to convince Motif to |
467 | activate its callbacks; setting the XmNmenuPost | |
468 | isn't working. --marcus@sysc.pdx.edu. */ | |
469 | event.xbutton.button = 1; | |
470 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
471 | key is pressed and the button is released. So reset key state | |
472 | so Motif thinks this is the case. */ | |
473 | event.xbutton.state = 0; | |
c8b5aa3d | 474 | #endif |
10624005 | 475 | } |
33385c6f | 476 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 477 | else if (event.type == KeyPress |
10624005 | 478 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
479 | { |
480 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 481 | |
33385c6f JD |
482 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
483 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 484 | popup_activated_flag = 0; |
8b806a85 | 485 | } |
177c0ea7 | 486 | |
8b806a85 | 487 | x_dispatch_event (&event, event.xany.display); |
aa669def | 488 | } |
78589e07 RS |
489 | } |
490 | ||
12b6af5c | 491 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
492 | doc: /* Start key navigation of the menu bar in FRAME. |
493 | This initially opens the first menu bar item and you can then navigate with the | |
494 | arrow keys, select a menu entry with the return key or cancel with the | |
495 | escape key. If FRAME has no menu bar this function does nothing. | |
496 | ||
497 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 498 | (Lisp_Object frame) |
22badffe JD |
499 | { |
500 | XEvent ev; | |
501 | FRAME_PTR f = check_x_frame (frame); | |
502 | Widget menubar; | |
503 | BLOCK_INPUT; | |
504 | ||
505 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
506 | set_frame_menubar (f, 0, 1); | |
507 | ||
508 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
509 | if (menubar) | |
510 | { | |
511 | Window child; | |
512 | int error_p = 0; | |
513 | ||
514 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
515 | memset (&ev, 0, sizeof ev); | |
516 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
517 | ev.xbutton.window = XtWindow (menubar); | |
518 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
519 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
520 | ev.xbutton.button = Button1; | |
521 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
522 | ev.xbutton.same_screen = True; | |
523 | ||
524 | #ifdef USE_MOTIF | |
525 | { | |
526 | Arg al[2]; | |
527 | WidgetList list; | |
528 | Cardinal nr; | |
529 | XtSetArg (al[0], XtNchildren, &list); | |
530 | XtSetArg (al[1], XtNnumChildren, &nr); | |
531 | XtGetValues (menubar, al, 2); | |
532 | ev.xbutton.window = XtWindow (list[0]); | |
533 | } | |
534 | #endif | |
535 | ||
536 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
537 | /* From-window, to-window. */ | |
538 | ev.xbutton.window, ev.xbutton.root, | |
539 | ||
540 | /* From-position, to-position. */ | |
541 | ev.xbutton.x, ev.xbutton.y, | |
542 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
543 | ||
544 | /* Child of win. */ | |
545 | &child); | |
546 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
547 | x_uncatch_errors (); | |
548 | ||
549 | if (! error_p) | |
550 | { | |
551 | ev.type = ButtonPress; | |
552 | ev.xbutton.state = 0; | |
553 | ||
554 | XtDispatchEvent (&ev); | |
555 | ev.xbutton.type = ButtonRelease; | |
556 | ev.xbutton.state = Button1Mask; | |
557 | XtDispatchEvent (&ev); | |
558 | } | |
559 | } | |
560 | ||
561 | UNBLOCK_INPUT; | |
57d671b4 AS |
562 | |
563 | return Qnil; | |
22badffe | 564 | } |
488dd4c4 JD |
565 | #endif /* USE_X_TOOLKIT */ |
566 | ||
22badffe | 567 | |
488dd4c4 | 568 | #ifdef USE_GTK |
12b6af5c | 569 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
570 | doc: /* Start key navigation of the menu bar in FRAME. |
571 | This initially opens the first menu bar item and you can then navigate with the | |
572 | arrow keys, select a menu entry with the return key or cancel with the | |
573 | escape key. If FRAME has no menu bar this function does nothing. | |
574 | ||
575 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 576 | (Lisp_Object frame) |
22badffe JD |
577 | { |
578 | GtkWidget *menubar; | |
8630721e CY |
579 | FRAME_PTR f; |
580 | ||
718aeeb8 CY |
581 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
582 | BLOCK_INPUT. */ | |
583 | ||
22badffe | 584 | BLOCK_INPUT; |
8630721e | 585 | f = check_x_frame (frame); |
22badffe JD |
586 | |
587 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
588 | set_frame_menubar (f, 0, 1); | |
589 | ||
590 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
591 | if (menubar) | |
592 | { | |
593 | /* Activate the first menu. */ | |
594 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
595 | ||
32d46135 JD |
596 | if (children) |
597 | { | |
598 | g_signal_emit_by_name (children->data, "activate_item"); | |
599 | popup_activated_flag = 1; | |
600 | g_list_free (children); | |
601 | } | |
22badffe JD |
602 | } |
603 | UNBLOCK_INPUT; | |
604 | ||
605 | return Qnil; | |
606 | } | |
607 | ||
488dd4c4 JD |
608 | /* Loop util popup_activated_flag is set to zero in a callback. |
609 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 610 | |
488dd4c4 | 611 | static void |
971de7fb | 612 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
613 | { |
614 | ++popup_activated_flag; | |
615 | ||
616 | /* Process events in the Gtk event loop until done. */ | |
617 | while (popup_activated_flag) | |
618 | { | |
c3438661 | 619 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
620 | gtk_main_iteration (); |
621 | } | |
622 | } | |
623 | #endif | |
624 | ||
88766961 RS |
625 | /* Activate the menu bar of frame F. |
626 | This is called from keyboard.c when it gets the | |
3b8f9651 | 627 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
628 | |
629 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 630 | that was saved in saved_menu_event. |
88766961 RS |
631 | That makes the toolkit do its thing. |
632 | ||
633 | But first we recompute the menu bar contents (the whole tree). | |
634 | ||
635 | The reason for saving the button event until here, instead of | |
636 | passing it to the toolkit right away, is that we can safely | |
637 | execute Lisp code. */ | |
177c0ea7 | 638 | |
dfcf069d | 639 | void |
971de7fb | 640 | x_activate_menubar (FRAME_PTR f) |
88766961 | 641 | { |
62af879c KL |
642 | if (! FRAME_X_P (f)) |
643 | abort (); | |
644 | ||
ac78b144 | 645 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
646 | return; |
647 | ||
177c0ea7 | 648 | #ifdef USE_GTK |
6b61353c KH |
649 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
650 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
651 | return; |
652 | #endif | |
177c0ea7 | 653 | |
a9be6839 | 654 | set_frame_menubar (f, 0, 1); |
88766961 | 655 | BLOCK_INPUT; |
cf28cebc | 656 | popup_activated_flag = 1; |
488dd4c4 JD |
657 | #ifdef USE_GTK |
658 | XPutBackEvent (f->output_data.x->display_info->display, | |
659 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 660 | #else |
86fad4ec | 661 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 662 | #endif |
88766961 | 663 | UNBLOCK_INPUT; |
177c0ea7 | 664 | |
88766961 | 665 | /* Ignore this if we get it a second time. */ |
ac78b144 | 666 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
667 | } |
668 | ||
4dedbfe0 PR |
669 | /* This callback is invoked when the user selects a menubar cascade |
670 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 671 | |
488dd4c4 | 672 | #ifndef USE_GTK |
78589e07 | 673 | static void |
ebd15611 | 674 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 675 | { |
4dedbfe0 | 676 | popup_activated_flag = 1; |
98a20c65 CY |
677 | #ifdef USE_X_TOOLKIT |
678 | x_activate_timeout_atimer (); | |
679 | #endif | |
7555d825 | 680 | } |
488dd4c4 | 681 | #endif |
7555d825 GM |
682 | |
683 | /* This callback is invoked when a dialog or menu is finished being | |
684 | used and has been unposted. */ | |
685 | ||
488dd4c4 JD |
686 | #ifdef USE_GTK |
687 | static void | |
971de7fb | 688 | popup_deactivate_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
689 | { |
690 | popup_activated_flag = 0; | |
691 | } | |
692 | #else | |
7555d825 | 693 | static void |
ebd15611 | 694 | popup_deactivate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
7555d825 | 695 | { |
7555d825 | 696 | popup_activated_flag = 0; |
78589e07 | 697 | } |
488dd4c4 | 698 | #endif |
78589e07 | 699 | |
850df50b | 700 | |
488dd4c4 JD |
701 | /* Function that finds the frame for WIDGET and shows the HELP text |
702 | for that widget. | |
703 | F is the frame if known, or NULL if not known. */ | |
704 | static void | |
971de7fb | 705 | show_help_event (FRAME_PTR f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 706 | { |
488dd4c4 | 707 | Lisp_Object frame; |
850df50b | 708 | |
850df50b | 709 | if (f) |
9cd50434 GM |
710 | { |
711 | XSETFRAME (frame, f); | |
712 | kbd_buffer_store_help_event (frame, help); | |
713 | } | |
850df50b GM |
714 | else |
715 | { | |
6b61353c | 716 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 717 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 718 | widget. See which frame that is. */ |
488dd4c4 | 719 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
720 | Lisp_Object tail; |
721 | ||
8e50cc2d | 722 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
723 | { |
724 | frame = XCAR (tail); | |
8e50cc2d | 725 | if (FRAMEP (frame) |
850df50b GM |
726 | && (f = XFRAME (frame), |
727 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
728 | break; | |
729 | } | |
6b61353c | 730 | #endif |
f868cd8a | 731 | show_help_echo (help, Qnil, Qnil, Qnil); |
9cd50434 | 732 | } |
850df50b GM |
733 | } |
734 | ||
488dd4c4 JD |
735 | /* Callback called when menu items are highlighted/unhighlighted |
736 | while moving the mouse over them. WIDGET is the menu bar or menu | |
737 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
738 | the data structure for the menu item, or null in case of | |
739 | unhighlighting. */ | |
4dedbfe0 | 740 | |
488dd4c4 | 741 | #ifdef USE_GTK |
032f1620 | 742 | static void |
971de7fb | 743 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
744 | { |
745 | xg_menu_item_cb_data *cb_data; | |
746 | Lisp_Object help; | |
177c0ea7 | 747 | |
488dd4c4 JD |
748 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
749 | XG_ITEM_DATA); | |
750 | if (! cb_data) return; | |
751 | ||
752 | help = call_data ? cb_data->help : Qnil; | |
753 | ||
754 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
a560d974 JD |
755 | Don't pass the frame to show_help_event for those. |
756 | Passing frame creates an Emacs event. As we are looping in | |
8d5ed899 | 757 | popup_widget_loop, it won't be handled. Passing NULL shows the tip |
a560d974 JD |
758 | directly without using an Emacs event. This is what the Lucid code |
759 | does below. */ | |
760 | show_help_event (popup_activated_flag <= 1 ? cb_data->cl_data->f : NULL, | |
761 | widget, help); | |
488dd4c4 JD |
762 | } |
763 | #else | |
032f1620 | 764 | static void |
ebd15611 | 765 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 JD |
766 | { |
767 | struct frame *f; | |
768 | Lisp_Object help; | |
769 | ||
770 | widget_value *wv = (widget_value *) call_data; | |
771 | ||
772 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 773 | |
488dd4c4 JD |
774 | /* Determine the frame for the help event. */ |
775 | f = menubar_id_to_frame (id); | |
776 | ||
777 | show_help_event (f, widget, help); | |
778 | } | |
779 | #endif | |
780 | ||
488dd4c4 JD |
781 | #ifdef USE_GTK |
782 | /* Gtk calls callbacks just because we tell it what item should be | |
783 | selected in a radio group. If this variable is set to a non-zero | |
784 | value, we are creating menus and don't want callbacks right now. | |
785 | */ | |
786 | static int xg_crazy_callback_abort; | |
787 | ||
788 | /* This callback is called from the menu bar pulldown menu | |
789 | when the user makes a selection. | |
790 | Figure out what the user chose | |
791 | and put the appropriate events into the keyboard buffer. */ | |
792 | static void | |
971de7fb | 793 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
794 | { |
795 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
796 | ||
797 | if (xg_crazy_callback_abort) | |
798 | return; | |
799 | ||
800 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
801 | return; | |
802 | ||
b79c8219 JD |
803 | /* For a group of radio buttons, GTK calls the selection callback first |
804 | for the item that was active before the selection and then for the one that | |
805 | is active after the selection. For C-h k this means we get the help on | |
806 | the deselected item and then the selected item is executed. Prevent that | |
807 | by ignoring the non-active item. */ | |
808 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
809 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
810 | return; | |
811 | ||
81f09877 JD |
812 | /* When a menu is popped down, X generates a focus event (i.e. focus |
813 | goes back to the frame below the menu). Since GTK buffers events, | |
814 | we force it out here before the menu selection event. Otherwise | |
815 | sit-for will exit at once if the focus event follows the menu selection | |
816 | event. */ | |
817 | ||
818 | BLOCK_INPUT; | |
819 | while (gtk_events_pending ()) | |
820 | gtk_main_iteration (); | |
821 | UNBLOCK_INPUT; | |
822 | ||
488dd4c4 JD |
823 | find_and_call_menu_selection (cb_data->cl_data->f, |
824 | cb_data->cl_data->menu_bar_items_used, | |
825 | cb_data->cl_data->menu_bar_vector, | |
826 | cb_data->call_data); | |
827 | } | |
828 | ||
829 | #else /* not USE_GTK */ | |
830 | ||
831 | /* This callback is called from the menu bar pulldown menu | |
832 | when the user makes a selection. | |
833 | Figure out what the user chose | |
834 | and put the appropriate events into the keyboard buffer. */ | |
835 | static void | |
ebd15611 | 836 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 JD |
837 | { |
838 | FRAME_PTR f; | |
839 | ||
840 | f = menubar_id_to_frame (id); | |
841 | if (!f) | |
842 | return; | |
843 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
844 | f->menu_bar_vector, client_data); | |
845 | } | |
846 | #endif /* not USE_GTK */ | |
f61a541b GM |
847 | \f |
848 | /* Recompute all the widgets of frame F, when the menu bar has been | |
849 | changed. Value is non-zero if widgets were updated. */ | |
850 | ||
851 | static int | |
971de7fb | 852 | update_frame_menubar (FRAME_PTR f) |
18686d47 | 853 | { |
488dd4c4 JD |
854 | #ifdef USE_GTK |
855 | return xg_update_frame_menubar (f); | |
856 | #else | |
62af879c | 857 | struct x_output *x; |
cffa74ea | 858 | int columns, rows; |
177c0ea7 | 859 | |
62af879c KL |
860 | if (! FRAME_X_P (f)) |
861 | abort (); | |
862 | ||
863 | x = f->output_data.x; | |
864 | ||
f61a541b GM |
865 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
866 | return 0; | |
18686d47 RS |
867 | |
868 | BLOCK_INPUT; | |
f61a541b GM |
869 | /* Save the size of the frame because the pane widget doesn't accept |
870 | to resize itself. So force it. */ | |
9882535b KS |
871 | columns = FRAME_COLS (f); |
872 | rows = FRAME_LINES (f); | |
cffa74ea | 873 | |
f61a541b GM |
874 | /* Do the voodoo which means "I'm changing lots of things, don't try |
875 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 876 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 877 | |
f61a541b GM |
878 | /* The order in which children are managed is the top to bottom |
879 | order in which they are displayed in the paned window. First, | |
880 | remove the text-area widget. */ | |
18686d47 RS |
881 | XtUnmanageChild (x->edit_widget); |
882 | ||
f61a541b GM |
883 | /* Remove the menubar that is there now, and put up the menubar that |
884 | should be there. */ | |
885 | XtManageChild (x->menubar_widget); | |
886 | XtMapWidget (x->menubar_widget); | |
887 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 888 | |
c98fcf4b | 889 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 890 | XtManageChild (x->edit_widget); |
4dedbfe0 | 891 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
892 | |
893 | /* Force the pane widget to resize itself with the right values. */ | |
894 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
18686d47 | 895 | UNBLOCK_INPUT; |
488dd4c4 | 896 | #endif |
f61a541b | 897 | return 1; |
18686d47 RS |
898 | } |
899 | ||
99852628 | 900 | #ifdef USE_LUCID |
1ecb2d3f | 901 | static void |
ebd15611 | 902 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
903 | { |
904 | const char *fn = xsettings_get_system_normal_font (); | |
51b59d79 | 905 | if (fn) |
1ecb2d3f JD |
906 | { |
907 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
908 | if (db) | |
3928f2b6 | 909 | XrmPutStringResource (&db, "*dialog.font", fn); |
1ecb2d3f JD |
910 | } |
911 | } | |
912 | ||
99852628 | 913 | static void |
3928f2b6 | 914 | apply_systemfont_to_menu (struct frame *f, Widget w) |
99852628 JD |
915 | { |
916 | const char *fn = xsettings_get_system_normal_font (); | |
99852628 | 917 | |
3928f2b6 | 918 | if (fn) |
99852628 | 919 | { |
3928f2b6 JD |
920 | XrmDatabase db = XtDatabase (XtDisplay (w)); |
921 | if (db) | |
922 | { | |
923 | XrmPutStringResource (&db, "*menubar*font", fn); | |
924 | XrmPutStringResource (&db, "*popup*font", fn); | |
925 | } | |
99852628 | 926 | } |
99852628 | 927 | } |
3928f2b6 | 928 | |
99852628 JD |
929 | #endif |
930 | ||
4bcdbab1 KH |
931 | /* Set the contents of the menubar widgets of frame F. |
932 | The argument FIRST_TIME is currently ignored; | |
933 | it is set the first time this is called, from initialize_frame_menubar. */ | |
934 | ||
18686d47 | 935 | void |
971de7fb | 936 | set_frame_menubar (FRAME_PTR f, int first_time, int deep_p) |
18686d47 | 937 | { |
62af879c | 938 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
939 | #ifdef USE_X_TOOLKIT |
940 | LWLIB_ID id; | |
941 | #endif | |
faa935b6 | 942 | Lisp_Object items; |
4d19cb8e | 943 | widget_value *wv, *first_wv, *prev_wv = 0; |
3e26f69c | 944 | int i; |
ced89c24 | 945 | int *submenu_start, *submenu_end; |
37dc84ff | 946 | int *submenu_top_level_items, *submenu_n_panes; |
cc45fb40 | 947 | |
62af879c KL |
948 | if (! FRAME_X_P (f)) |
949 | abort (); | |
950 | ||
951 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 952 | |
bfc524bc RS |
953 | XSETFRAME (Vmenu_updating_frame, f); |
954 | ||
488dd4c4 | 955 | #ifdef USE_X_TOOLKIT |
7556890b RS |
956 | if (f->output_data.x->id == 0) |
957 | f->output_data.x->id = next_menubar_widget_id++; | |
958 | id = f->output_data.x->id; | |
488dd4c4 | 959 | #endif |
177c0ea7 | 960 | |
88766961 RS |
961 | if (! menubar_widget) |
962 | deep_p = 1; | |
a9be6839 RS |
963 | /* Make the first call for any given frame always go deep. */ |
964 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
965 | { |
966 | deep_p = 1; | |
a9be6839 RS |
967 | f->output_data.x->saved_menu_event = (XEvent*)xmalloc (sizeof (XEvent)); |
968 | f->output_data.x->saved_menu_event->type = 0; | |
745c34fb | 969 | } |
18686d47 | 970 | |
6b61353c KH |
971 | #ifdef USE_GTK |
972 | /* If we have detached menus, we must update deep so detached menus | |
973 | also gets updated. */ | |
974 | deep_p = deep_p || xg_have_tear_offs (); | |
975 | #endif | |
976 | ||
88766961 | 977 | if (deep_p) |
18686d47 | 978 | { |
88766961 RS |
979 | /* Make a widget-value tree representing the entire menu trees. */ |
980 | ||
981 | struct buffer *prev = current_buffer; | |
982 | Lisp_Object buffer; | |
d311d28c | 983 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
984 | int previous_menu_items_used = f->menu_bar_items_used; |
985 | Lisp_Object *previous_items | |
986 | = (Lisp_Object *) alloca (previous_menu_items_used | |
987 | * sizeof (Lisp_Object)); | |
3e26f69c | 988 | int subitems; |
88766961 | 989 | |
0b1cf399 RS |
990 | /* If we are making a new widget, its contents are empty, |
991 | do always reinitialize them. */ | |
992 | if (! menubar_widget) | |
993 | previous_menu_items_used = 0; | |
994 | ||
88766961 RS |
995 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
996 | specbind (Qinhibit_quit, Qt); | |
997 | /* Don't let the debugger step into this code | |
998 | because it is not reentrant. */ | |
999 | specbind (Qdebug_on_next_call, Qnil); | |
1000 | ||
89f2614d | 1001 | record_unwind_save_match_data (); |
88766961 RS |
1002 | if (NILP (Voverriding_local_map_menu_flag)) |
1003 | { | |
1004 | specbind (Qoverriding_terminal_local_map, Qnil); | |
1005 | specbind (Qoverriding_local_map, Qnil); | |
1006 | } | |
18686d47 | 1007 | |
88766961 | 1008 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 1009 | |
88766961 | 1010 | /* Run the Lucid hook. */ |
950eaee7 | 1011 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 1012 | |
88766961 RS |
1013 | /* If it has changed current-menubar from previous value, |
1014 | really recompute the menubar from the value. */ | |
1015 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
1016 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 1017 | safe_run_hooks (Qmenu_bar_update_hook); |
88766961 | 1018 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
18686d47 | 1019 | |
88766961 | 1020 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1021 | |
88766961 | 1022 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 1023 | if (previous_menu_items_used) |
72af86bd AS |
1024 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
1025 | previous_menu_items_used * sizeof (Lisp_Object)); | |
8d8a3494 | 1026 | |
ced89c24 RS |
1027 | /* Fill in menu_items with the current menu bar contents. |
1028 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1029 | save_menu_items (); |
1030 | ||
88766961 | 1031 | menu_items = f->menu_bar_vector; |
86c04183 | 1032 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
77b37c05 | 1033 | subitems = ASIZE (items) / 4; |
3e26f69c | 1034 | submenu_start = (int *) alloca ((subitems + 1) * sizeof (int)); |
88c9450f | 1035 | submenu_end = (int *) alloca (subitems * sizeof (int)); |
e3019616 | 1036 | submenu_n_panes = (int *) alloca (subitems * sizeof (int)); |
88c9450f | 1037 | submenu_top_level_items = (int *) alloca (subitems * sizeof (int)); |
88766961 | 1038 | init_menu_items (); |
e3019616 | 1039 | for (i = 0; i < subitems; i++) |
88766961 RS |
1040 | { |
1041 | Lisp_Object key, string, maps; | |
1042 | ||
28be1ada DA |
1043 | key = AREF (items, 4 * i); |
1044 | string = AREF (items, 4 * i + 1); | |
1045 | maps = AREF (items, 4 * i + 2); | |
88766961 RS |
1046 | if (NILP (string)) |
1047 | break; | |
1048 | ||
ced89c24 RS |
1049 | submenu_start[i] = menu_items_used; |
1050 | ||
1051 | menu_items_n_panes = 0; | |
1052 | submenu_top_level_items[i] | |
1053 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1054 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1055 | |
1056 | submenu_end[i] = menu_items_used; | |
1057 | } | |
1058 | ||
3e26f69c | 1059 | submenu_start[i] = -1; |
ced89c24 RS |
1060 | finish_menu_items (); |
1061 | ||
1062 | /* Convert menu_items into widget_value trees | |
1063 | to display the menu. This cannot evaluate Lisp code. */ | |
1064 | ||
1065 | wv = xmalloc_widget_value (); | |
1066 | wv->name = "menubar"; | |
1067 | wv->value = 0; | |
1068 | wv->enabled = 1; | |
1069 | wv->button_type = BUTTON_TYPE_NONE; | |
1070 | wv->help = Qnil; | |
1071 | first_wv = wv; | |
1072 | ||
3e26f69c | 1073 | for (i = 0; 0 <= submenu_start[i]; i++) |
ced89c24 | 1074 | { |
37dc84ff | 1075 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1076 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1077 | submenu_top_level_items[i]); | |
177c0ea7 | 1078 | if (prev_wv) |
88766961 RS |
1079 | prev_wv->next = wv; |
1080 | else | |
1081 | first_wv->contents = wv; | |
1082 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1083 | wv->enabled = 1; | |
3427a3db | 1084 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1085 | prev_wv = wv; |
1086 | } | |
1087 | ||
88766961 | 1088 | set_buffer_internal_1 (prev); |
8d8a3494 | 1089 | |
88766961 RS |
1090 | /* If there has been no change in the Lisp-level contents |
1091 | of the menu bar, skip redisplaying it. Just exit. */ | |
1092 | ||
510d5bf6 | 1093 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1094 | for (i = 0; i < previous_menu_items_used; i++) |
1095 | if (menu_items_used == i | |
28be1ada | 1096 | || (!EQ (previous_items[i], AREF (menu_items, i)))) |
88766961 | 1097 | break; |
62555c22 | 1098 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1099 | { |
510d5bf6 RS |
1100 | /* The menu items have not changed. Don't bother updating |
1101 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1102 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1103 | discard_menu_items (); |
1fc4d463 | 1104 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1105 | return; |
1106 | } | |
1107 | ||
510d5bf6 | 1108 | /* The menu items are different, so store them in the frame. */ |
1fc4d463 RS |
1109 | f->menu_bar_vector = menu_items; |
1110 | f->menu_bar_items_used = menu_items_used; | |
1111 | ||
bf732638 | 1112 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1113 | unbind_to (specpdl_count, Qnil); |
1114 | ||
88766961 RS |
1115 | /* Now GC cannot happen during the lifetime of the widget_value, |
1116 | so it's safe to store data from a Lisp_String. */ | |
1117 | wv = first_wv->contents; | |
77b37c05 | 1118 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1119 | { |
1120 | Lisp_Object string; | |
28be1ada | 1121 | string = AREF (items, i + 1); |
88766961 | 1122 | if (NILP (string)) |
2bf436c3 | 1123 | break; |
51b59d79 | 1124 | wv->name = SSDATA (string); |
2bf436c3 JD |
1125 | update_submenu_strings (wv->contents); |
1126 | wv = wv->next; | |
88766961 RS |
1127 | } |
1128 | ||
4d19cb8e | 1129 | } |
88766961 RS |
1130 | else |
1131 | { | |
1132 | /* Make a widget-value tree containing | |
1133 | just the top level menu bar strings. */ | |
4d19cb8e | 1134 | |
ced89c24 RS |
1135 | wv = xmalloc_widget_value (); |
1136 | wv->name = "menubar"; | |
1137 | wv->value = 0; | |
1138 | wv->enabled = 1; | |
1139 | wv->button_type = BUTTON_TYPE_NONE; | |
1140 | wv->help = Qnil; | |
1141 | first_wv = wv; | |
1142 | ||
88766961 | 1143 | items = FRAME_MENU_BAR_ITEMS (f); |
77b37c05 | 1144 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1145 | { |
1146 | Lisp_Object string; | |
1147 | ||
28be1ada | 1148 | string = AREF (items, i + 1); |
88766961 RS |
1149 | if (NILP (string)) |
1150 | break; | |
1151 | ||
f7fab165 | 1152 | wv = xmalloc_widget_value (); |
51b59d79 | 1153 | wv->name = SSDATA (string); |
88766961 RS |
1154 | wv->value = 0; |
1155 | wv->enabled = 1; | |
3427a3db | 1156 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1157 | wv->help = Qnil; |
fe8fa62f RS |
1158 | /* This prevents lwlib from assuming this |
1159 | menu item is really supposed to be empty. */ | |
d01a7826 | 1160 | /* The intptr_t cast avoids a warning. |
fe8fa62f | 1161 | This value just has to be different from small integers. */ |
d01a7826 | 1162 | wv->call_data = (void *) (intptr_t) (-1); |
88766961 | 1163 | |
177c0ea7 | 1164 | if (prev_wv) |
88766961 RS |
1165 | prev_wv->next = wv; |
1166 | else | |
1167 | first_wv->contents = wv; | |
1168 | prev_wv = wv; | |
1169 | } | |
62555c22 RS |
1170 | |
1171 | /* Forget what we thought we knew about what is in the | |
1172 | detailed contents of the menu bar menus. | |
1173 | Changing the top level always destroys the contents. */ | |
1174 | f->menu_bar_items_used = 0; | |
88766961 | 1175 | } |
4dedbfe0 | 1176 | |
88766961 | 1177 | /* Create or update the menu bar widget. */ |
aa669def RS |
1178 | |
1179 | BLOCK_INPUT; | |
1180 | ||
488dd4c4 JD |
1181 | #ifdef USE_GTK |
1182 | xg_crazy_callback_abort = 1; | |
1183 | if (menubar_widget) | |
1184 | { | |
6b61353c | 1185 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1186 | menu trees we supply, rather than just the menu bar item names. */ |
1187 | xg_modify_menubar_widgets (menubar_widget, | |
1188 | f, | |
1189 | first_wv, | |
1190 | deep_p, | |
1191 | G_CALLBACK (menubar_selection_callback), | |
1192 | G_CALLBACK (popup_deactivate_callback), | |
1193 | G_CALLBACK (menu_highlight_callback)); | |
1194 | } | |
1195 | else | |
1196 | { | |
488dd4c4 | 1197 | menubar_widget |
177c0ea7 | 1198 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1199 | G_CALLBACK (menubar_selection_callback), |
1200 | G_CALLBACK (popup_deactivate_callback), | |
1201 | G_CALLBACK (menu_highlight_callback)); | |
1202 | ||
1203 | f->output_data.x->menubar_widget = menubar_widget; | |
1204 | } | |
1205 | ||
177c0ea7 | 1206 | |
488dd4c4 | 1207 | #else /* not USE_GTK */ |
18686d47 | 1208 | if (menubar_widget) |
4dedbfe0 PR |
1209 | { |
1210 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1211 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1212 | |
1213 | /* The third arg is DEEP_P, which says to consider the entire | |
1214 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1215 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1216 | |
c98fcf4b | 1217 | /* Re-enable the edit widget to resize. */ |
7556890b | 1218 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1219 | } |
18686d47 RS |
1220 | else |
1221 | { | |
9f6fcdc5 JD |
1222 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1223 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1224 | ||
3928f2b6 JD |
1225 | #ifdef USE_LUCID |
1226 | apply_systemfont_to_menu (f, f->output_data.x->column_widget); | |
1227 | #endif | |
1228 | menubar_widget = lw_create_widget ("menubar", "menubar", id, | |
1229 | first_wv, | |
7556890b | 1230 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1231 | 0, |
1232 | popup_activate_callback, | |
1233 | menubar_selection_callback, | |
850df50b GM |
1234 | popup_deactivate_callback, |
1235 | menu_highlight_callback); | |
7556890b | 1236 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1237 | |
1238 | /* Make menu pop down on C-g. */ | |
1239 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1240 | } |
1d1c1567 KH |
1241 | |
1242 | { | |
cf28cebc | 1243 | int menubar_size; |
723f5a07 J |
1244 | if (f->output_data.x->menubar_widget) |
1245 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1246 | ||
cf28cebc | 1247 | menubar_size |
7556890b RS |
1248 | = (f->output_data.x->menubar_widget |
1249 | ? (f->output_data.x->menubar_widget->core.height | |
1250 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1251 | : 0); |
1252 | ||
5c646d5a JD |
1253 | #if 1 /* Experimentally, we now get the right results |
1254 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1255 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1256 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1257 | #ifdef USE_LUCID |
1d1c1567 KH |
1258 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1259 | { | |
1260 | Dimension ibw = 0; | |
7556890b | 1261 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1262 | XtNinternalBorderWidth, &ibw, NULL); |
1263 | menubar_size += ibw; | |
1264 | } | |
5ee80bd3 | 1265 | #endif /* USE_LUCID */ |
5c646d5a | 1266 | #endif /* 1 */ |
1d1c1567 | 1267 | |
7556890b | 1268 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1269 | } |
488dd4c4 | 1270 | #endif /* not USE_GTK */ |
177c0ea7 | 1271 | |
18686d47 | 1272 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1273 | update_frame_menubar (f); |
18686d47 | 1274 | |
488dd4c4 JD |
1275 | #ifdef USE_GTK |
1276 | xg_crazy_callback_abort = 0; | |
1277 | #endif | |
1278 | ||
18686d47 RS |
1279 | UNBLOCK_INPUT; |
1280 | } | |
85f487d1 | 1281 | |
8e6208c5 | 1282 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1283 | before it is mapped, so that the window is mapped with the menubar already |
1284 | there instead of us tacking it on later and thrashing the window after it | |
1285 | is visible. */ | |
1286 | ||
1287 | void | |
971de7fb | 1288 | initialize_frame_menubar (FRAME_PTR f) |
4dedbfe0 PR |
1289 | { |
1290 | /* This function is called before the first chance to redisplay | |
1291 | the frame. It has to be, so the frame will have the right size. */ | |
1292 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); | |
88766961 | 1293 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1294 | } |
1295 | ||
aba25348 | 1296 | |
4dedbfe0 | 1297 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1298 | This is used when deleting a frame, and when turning off the menu bar. |
1299 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1300 | |
488dd4c4 | 1301 | #ifndef USE_GTK |
85f487d1 | 1302 | void |
ebd15611 | 1303 | free_frame_menubar (FRAME_PTR f) |
85f487d1 FP |
1304 | { |
1305 | Widget menubar_widget; | |
85f487d1 | 1306 | |
62af879c KL |
1307 | if (! FRAME_X_P (f)) |
1308 | abort (); | |
1309 | ||
7556890b | 1310 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1311 | |
1312 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1313 | |
85f487d1 FP |
1314 | if (menubar_widget) |
1315 | { | |
aba25348 GM |
1316 | #ifdef USE_MOTIF |
1317 | /* Removing the menu bar magically changes the shell widget's x | |
1318 | and y position of (0, 0) which, when the menu bar is turned | |
53964682 | 1319 | on again, leads to pull-down menus appearing in strange |
aba25348 GM |
1320 | positions near the upper-left corner of the display. This |
1321 | happens only with some window managers like twm and ctwm, | |
1322 | but not with other like Motif's mwm or kwm, because the | |
1323 | latter generate ConfigureNotify events when the menu bar | |
1324 | is switched off, which fixes the shell position. */ | |
1325 | Position x0, y0, x1, y1; | |
1326 | #endif | |
177c0ea7 | 1327 | |
85f487d1 | 1328 | BLOCK_INPUT; |
aba25348 GM |
1329 | |
1330 | #ifdef USE_MOTIF | |
ae556422 GM |
1331 | if (f->output_data.x->widget) |
1332 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1333 | #endif |
177c0ea7 | 1334 | |
7556890b | 1335 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1336 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1337 | |
ae556422 GM |
1338 | if (f->output_data.x->widget) |
1339 | { | |
23243f29 | 1340 | #ifdef USE_MOTIF |
ae556422 GM |
1341 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1342 | if (x1 == 0 && y1 == 0) | |
1343 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1344 | #endif |
23243f29 J |
1345 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
1346 | } | |
85f487d1 FP |
1347 | UNBLOCK_INPUT; |
1348 | } | |
1349 | } | |
488dd4c4 | 1350 | #endif /* not USE_GTK */ |
78589e07 | 1351 | |
488dd4c4 | 1352 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1353 | \f |
1354 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1355 | and returns the value selected from it. | |
1356 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1357 | Both assume input is blocked by the caller. */ | |
1358 | ||
1359 | /* F is the frame the menu is for. | |
1360 | X and Y are the frame-relative specified position, | |
1361 | relative to the inside upper left corner of the frame F. | |
c8b5aa3d | 1362 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
78589e07 RS |
1363 | KEYMAPS is 1 if this menu was specified with keymaps; |
1364 | in that case, we return a list containing the chosen item's value | |
1365 | and perhaps also the pane's prefix. | |
1366 | TITLE is the specified menu title. | |
1367 | ERROR is a place to store an error message string in case of failure. | |
1368 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1369 | |
488dd4c4 JD |
1370 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1371 | ||
1372 | /* The item selected in the popup menu. */ | |
1373 | static Lisp_Object *volatile menu_item_selection; | |
1374 | ||
1375 | #ifdef USE_GTK | |
1376 | ||
1377 | /* Used when position a popup menu. See menu_position_func and | |
1378 | create_and_show_popup_menu below. */ | |
1379 | struct next_popup_x_y | |
1380 | { | |
7b76ca1c | 1381 | FRAME_PTR f; |
488dd4c4 JD |
1382 | int x; |
1383 | int y; | |
1384 | }; | |
1385 | ||
1386 | /* The menu position function to use if we are not putting a popup | |
1387 | menu where the pointer is. | |
1388 | MENU is the menu to pop up. | |
1389 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1390 | PUSH_IN is not documented in the GTK manual. | |
1391 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1392 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1393 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1394 | |
1395 | Here only X and Y are used. */ | |
1396 | static void | |
971de7fb | 1397 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1398 | { |
7b76ca1c JD |
1399 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1400 | GtkRequisition req; | |
fd2f80c6 CY |
1401 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1402 | int disp_width = x_display_pixel_width (dpyinfo); | |
1403 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1404 | |
7b76ca1c JD |
1405 | *x = data->x; |
1406 | *y = data->y; | |
1407 | ||
1408 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1409 | the menu is fully visible. */ | |
0afb4571 | 1410 | gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &req); |
7b76ca1c JD |
1411 | if (data->x + req.width > disp_width) |
1412 | *x -= data->x + req.width - disp_width; | |
1413 | if (data->y + req.height > disp_height) | |
1414 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1415 | } |
1416 | ||
1417 | static void | |
971de7fb | 1418 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1419 | { |
1420 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1421 | ||
1422 | if (xg_crazy_callback_abort) return; | |
1423 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1424 | } | |
1425 | ||
af89e871 | 1426 | static Lisp_Object |
971de7fb | 1427 | pop_down_menu (Lisp_Object arg) |
af89e871 | 1428 | { |
a130b901 JD |
1429 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1430 | ||
af89e871 | 1431 | popup_activated_flag = 0; |
a130b901 JD |
1432 | BLOCK_INPUT; |
1433 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); | |
1434 | UNBLOCK_INPUT; | |
af89e871 JD |
1435 | return Qnil; |
1436 | } | |
1437 | ||
488dd4c4 JD |
1438 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1439 | menu pops down. | |
1440 | menu_item_selection will be set to the selection. */ | |
1441 | static void | |
08dc5ae6 PE |
1442 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, |
1443 | int for_click, Time timestamp) | |
488dd4c4 JD |
1444 | { |
1445 | int i; | |
1446 | GtkWidget *menu; | |
1447 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1448 | struct next_popup_x_y popup_x_y; | |
d311d28c | 1449 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
93d5ca1f JD |
1450 | int use_pos_func = ! for_click; |
1451 | ||
1452 | #ifdef HAVE_GTK3 | |
1453 | /* Always use position function for Gtk3. Otherwise menus may become | |
1454 | too small to show anything. */ | |
1455 | use_pos_func = 1; | |
1456 | #endif | |
488dd4c4 | 1457 | |
62af879c KL |
1458 | if (! FRAME_X_P (f)) |
1459 | abort (); | |
1460 | ||
488dd4c4 JD |
1461 | xg_crazy_callback_abort = 1; |
1462 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1463 | G_CALLBACK (popup_selection_callback), | |
1464 | G_CALLBACK (popup_deactivate_callback), | |
1465 | G_CALLBACK (menu_highlight_callback)); | |
1466 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1467 | |
93d5ca1f | 1468 | if (use_pos_func) |
488dd4c4 JD |
1469 | { |
1470 | /* Not invoked by a click. pop up at x/y. */ | |
1471 | pos_func = menu_position_func; | |
1472 | ||
1473 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1474 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1475 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1476 | |
1477 | popup_x_y.x = x; | |
1478 | popup_x_y.y = y; | |
7b76ca1c | 1479 | popup_x_y.f = f; |
488dd4c4 | 1480 | |
9b85e63d JD |
1481 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1482 | } | |
93d5ca1f JD |
1483 | |
1484 | if (for_click) | |
9b85e63d JD |
1485 | { |
1486 | for (i = 0; i < 5; i++) | |
1487 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1488 | break; | |
1489 | } | |
59cfb104 | 1490 | |
488dd4c4 JD |
1491 | /* Display the menu. */ |
1492 | gtk_widget_show_all (menu); | |
c0df13a6 | 1493 | |
a20903d0 | 1494 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
08dc5ae6 | 1495 | timestamp ? timestamp : gtk_get_current_event_time ()); |
177c0ea7 | 1496 | |
a130b901 | 1497 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1498 | |
e547b051 | 1499 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1500 | { |
1501 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1502 | two. show_help_echo uses this to detect popup menus. */ | |
1503 | popup_activated_flag = 1; | |
1504 | /* Process events that apply to the menu. */ | |
1505 | popup_widget_loop (1, menu); | |
1506 | } | |
488dd4c4 | 1507 | |
af89e871 | 1508 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1509 | |
488dd4c4 JD |
1510 | /* Must reset this manually because the button release event is not passed |
1511 | to Emacs event loop. */ | |
1512 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1513 | } | |
1514 | ||
1515 | #else /* not USE_GTK */ | |
18686d47 | 1516 | |
8ed87156 | 1517 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1518 | library. |
1519 | ||
1520 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1521 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1522 | |
88766961 RS |
1523 | For menu bars, we use numbers starting at 0, counted in |
1524 | next_menubar_widget_id. */ | |
8ed87156 | 1525 | LWLIB_ID widget_id_tick; |
165e1749 | 1526 | |
4dedbfe0 | 1527 | static void |
ebd15611 | 1528 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 PR |
1529 | { |
1530 | menu_item_selection = (Lisp_Object *) client_data; | |
1531 | } | |
1532 | ||
af89e871 JD |
1533 | /* ARG is the LWLIB ID of the dialog box, represented |
1534 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1535 | ||
1536 | static Lisp_Object | |
ebd15611 | 1537 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1538 | { |
1539 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1540 | | XINT (XCDR (arg))); | |
1541 | ||
1542 | BLOCK_INPUT; | |
1543 | lw_destroy_all_widgets (id); | |
1544 | UNBLOCK_INPUT; | |
1545 | popup_activated_flag = 0; | |
1546 | ||
1547 | return Qnil; | |
1548 | } | |
1549 | ||
488dd4c4 JD |
1550 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1551 | menu pops down. | |
1552 | menu_item_selection will be set to the selection. */ | |
1553 | static void | |
2b23d2a6 | 1554 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, |
08dc5ae6 | 1555 | int x, int y, int for_click, Time timestamp) |
488dd4c4 JD |
1556 | { |
1557 | int i; | |
1558 | Arg av[2]; | |
1559 | int ac = 0; | |
65969f63 CY |
1560 | XEvent dummy; |
1561 | XButtonPressedEvent *event = &(dummy.xbutton); | |
488dd4c4 JD |
1562 | LWLIB_ID menu_id; |
1563 | Widget menu; | |
488dd4c4 | 1564 | |
62af879c KL |
1565 | if (! FRAME_X_P (f)) |
1566 | abort (); | |
1567 | ||
3928f2b6 JD |
1568 | #ifdef USE_LUCID |
1569 | apply_systemfont_to_menu (f, f->output_data.x->widget); | |
1570 | #endif | |
1571 | ||
488dd4c4 JD |
1572 | menu_id = widget_id_tick++; |
1573 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1574 | f->output_data.x->widget, 1, 0, | |
1575 | popup_selection_callback, | |
1576 | popup_deactivate_callback, | |
1577 | menu_highlight_callback); | |
1578 | ||
65969f63 CY |
1579 | event->type = ButtonPress; |
1580 | event->serial = 0; | |
1581 | event->send_event = 0; | |
1582 | event->display = FRAME_X_DISPLAY (f); | |
1583 | event->time = CurrentTime; | |
1584 | event->root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1585 | event->window = event->subwindow = event->root; | |
1586 | event->x = x; | |
1587 | event->y = y; | |
488dd4c4 JD |
1588 | |
1589 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1590 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1591 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 | 1592 | |
65969f63 CY |
1593 | event->x_root = x; |
1594 | event->y_root = y; | |
488dd4c4 | 1595 | |
65969f63 CY |
1596 | event->state = 0; |
1597 | event->button = 0; | |
488dd4c4 JD |
1598 | for (i = 0; i < 5; i++) |
1599 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
65969f63 | 1600 | event->button = i; |
488dd4c4 JD |
1601 | |
1602 | /* Don't allow any geometry request from the user. */ | |
1603 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1604 | XtSetValues (menu, av, ac); | |
1605 | ||
1606 | /* Display the menu. */ | |
65969f63 | 1607 | lw_popup_menu (menu, &dummy); |
488dd4c4 | 1608 | popup_activated_flag = 1; |
98a20c65 | 1609 | x_activate_timeout_atimer (); |
59cfb104 | 1610 | |
af89e871 JD |
1611 | { |
1612 | int fact = 4 * sizeof (LWLIB_ID); | |
d311d28c | 1613 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
af89e871 JD |
1614 | record_unwind_protect (pop_down_menu, |
1615 | Fcons (make_number (menu_id >> (fact)), | |
1616 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1617 | |
af89e871 | 1618 | /* Process events that apply to the menu. */ |
95bdef2e | 1619 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1620 | |
af89e871 JD |
1621 | unbind_to (specpdl_count, Qnil); |
1622 | } | |
488dd4c4 JD |
1623 | } |
1624 | ||
1625 | #endif /* not USE_GTK */ | |
1626 | ||
ba24cea2 YM |
1627 | static Lisp_Object |
1628 | cleanup_widget_value_tree (Lisp_Object arg) | |
1629 | { | |
1630 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); | |
1631 | widget_value *wv = p->pointer; | |
1632 | ||
1633 | free_menubar_widget_value_tree (wv); | |
1634 | ||
1635 | return Qnil; | |
1636 | } | |
1637 | ||
ef7417fd SM |
1638 | Lisp_Object |
1639 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, | |
08dc5ae6 | 1640 | Lisp_Object title, const char **error_name, Time timestamp) |
18686d47 | 1641 | { |
78589e07 | 1642 | int i; |
78589e07 | 1643 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 RS |
1644 | widget_value **submenu_stack |
1645 | = (widget_value **) alloca (menu_items_used * sizeof (widget_value *)); | |
1646 | Lisp_Object *subprefix_stack | |
1647 | = (Lisp_Object *) alloca (menu_items_used * sizeof (Lisp_Object)); | |
1648 | int submenu_depth = 0; | |
4e8d3549 | 1649 | |
78c8278d RS |
1650 | int first_pane; |
1651 | ||
9898bd0e | 1652 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 1653 | |
62af879c KL |
1654 | if (! FRAME_X_P (f)) |
1655 | abort (); | |
1656 | ||
d4323972 | 1657 | *error_name = NULL; |
78589e07 | 1658 | |
742f715d KH |
1659 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1660 | { | |
d4323972 | 1661 | *error_name = "Empty menu"; |
742f715d KH |
1662 | return Qnil; |
1663 | } | |
63c414df | 1664 | |
78589e07 RS |
1665 | /* Create a tree of widget_value objects |
1666 | representing the panes and their items. */ | |
f7fab165 | 1667 | wv = xmalloc_widget_value (); |
78589e07 RS |
1668 | wv->name = "menu"; |
1669 | wv->value = 0; | |
1670 | wv->enabled = 1; | |
3427a3db | 1671 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1672 | wv->help =Qnil; |
78589e07 | 1673 | first_wv = wv; |
78c8278d | 1674 | first_pane = 1; |
177c0ea7 | 1675 | |
78589e07 RS |
1676 | /* Loop over all panes and items, filling in the tree. */ |
1677 | i = 0; | |
1678 | while (i < menu_items_used) | |
1679 | { | |
28be1ada | 1680 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1681 | { |
1682 | submenu_stack[submenu_depth++] = save_wv; | |
1683 | save_wv = prev_wv; | |
1684 | prev_wv = 0; | |
78c8278d | 1685 | first_pane = 1; |
101bb4a5 RS |
1686 | i++; |
1687 | } | |
28be1ada | 1688 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1689 | { |
1690 | prev_wv = save_wv; | |
1691 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1692 | first_pane = 0; |
101bb4a5 RS |
1693 | i++; |
1694 | } | |
28be1ada | 1695 | else if (EQ (AREF (menu_items, i), Qt) |
101bb4a5 RS |
1696 | && submenu_depth != 0) |
1697 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1698 | /* Ignore a nil in the item list. |
1699 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1700 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 1701 | i += 1; |
28be1ada | 1702 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1703 | { |
1704 | /* Create a new pane. */ | |
1705 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 1706 | const char *pane_string; |
177c0ea7 | 1707 | |
4c329aa8 GM |
1708 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1709 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1710 | |
703dc2a8 | 1711 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1712 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1713 | { | |
8af9fa55 | 1714 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1715 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1716 | } |
703dc2a8 | 1717 | #endif |
78589e07 | 1718 | pane_string = (NILP (pane_name) |
51b59d79 | 1719 | ? "" : SSDATA (pane_name)); |
101bb4a5 | 1720 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1721 | under the top-level menu. */ |
1722 | if (menu_items_n_panes == 1) | |
1723 | pane_string = ""; | |
1724 | ||
1725 | /* If the pane has a meaningful name, | |
1726 | make the pane a top-level menu item | |
1727 | with its items as a submenu beneath it. */ | |
78c8278d | 1728 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1729 | { |
f7fab165 | 1730 | wv = xmalloc_widget_value (); |
78589e07 RS |
1731 | if (save_wv) |
1732 | save_wv->next = wv; | |
1733 | else | |
1734 | first_wv->contents = wv; | |
1735 | wv->name = pane_string; | |
1736 | if (keymaps && !NILP (prefix)) | |
1737 | wv->name++; | |
1738 | wv->value = 0; | |
1739 | wv->enabled = 1; | |
3427a3db | 1740 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1741 | wv->help = Qnil; |
78c8278d RS |
1742 | save_wv = wv; |
1743 | prev_wv = 0; | |
78589e07 | 1744 | } |
78c8278d RS |
1745 | else if (first_pane) |
1746 | { | |
1747 | save_wv = wv; | |
1748 | prev_wv = 0; | |
1749 | } | |
1750 | first_pane = 0; | |
78589e07 RS |
1751 | i += MENU_ITEMS_PANE_LENGTH; |
1752 | } | |
1753 | else | |
1754 | { | |
1755 | /* Create a new item within current pane. */ | |
9cd50434 | 1756 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1757 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1758 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1759 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1760 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1761 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1762 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1763 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1764 | |
703dc2a8 | 1765 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1766 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1767 | { |
646f98ec | 1768 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1769 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1770 | } |
177c0ea7 | 1771 | |
3427a3db | 1772 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1773 | { |
646f98ec | 1774 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1775 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1776 | } |
1777 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1778 | |
f7fab165 | 1779 | wv = xmalloc_widget_value (); |
177c0ea7 | 1780 | if (prev_wv) |
78589e07 | 1781 | prev_wv->next = wv; |
177c0ea7 | 1782 | else |
78589e07 | 1783 | save_wv->contents = wv; |
51b59d79 | 1784 | wv->name = SSDATA (item_name); |
78589e07 | 1785 | if (!NILP (descrip)) |
51b59d79 | 1786 | wv->key = SSDATA (descrip); |
78589e07 | 1787 | wv->value = 0; |
a352a815 RS |
1788 | /* If this item has a null value, |
1789 | make the call_data null so that it won't display a box | |
1790 | when the mouse is on it. */ | |
1791 | wv->call_data | |
28be1ada | 1792 | = (!NILP (def) ? (void *) &AREF (menu_items, i) : 0); |
78589e07 | 1793 | wv->enabled = !NILP (enable); |
3427a3db GM |
1794 | |
1795 | if (NILP (type)) | |
1796 | wv->button_type = BUTTON_TYPE_NONE; | |
1797 | else if (EQ (type, QCtoggle)) | |
1798 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1799 | else if (EQ (type, QCradio)) | |
1800 | wv->button_type = BUTTON_TYPE_RADIO; | |
1801 | else | |
1802 | abort (); | |
1803 | ||
1804 | wv->selected = !NILP (selected); | |
cc45fb40 | 1805 | |
0b1f4572 RS |
1806 | if (! STRINGP (help)) |
1807 | help = Qnil; | |
1808 | ||
1809 | wv->help = help; | |
cc45fb40 | 1810 | |
78589e07 RS |
1811 | prev_wv = wv; |
1812 | ||
1813 | i += MENU_ITEMS_ITEM_LENGTH; | |
1814 | } | |
1815 | } | |
1816 | ||
c98fcf4b | 1817 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1818 | if (!NILP (title)) |
1819 | { | |
f7fab165 RS |
1820 | widget_value *wv_title = xmalloc_widget_value (); |
1821 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1822 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1823 | |
1824 | wv_sep2->name = "--"; | |
1825 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1826 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1827 | |
1828 | wv_sep1->name = "--"; | |
1829 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1830 | wv_sep1->help = Qnil; |
4dedbfe0 | 1831 | |
703dc2a8 KH |
1832 | #ifndef HAVE_MULTILINGUAL_MENU |
1833 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1834 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1835 | #endif |
177c0ea7 | 1836 | |
51b59d79 | 1837 | wv_title->name = SSDATA (title); |
cc45fb40 | 1838 | wv_title->enabled = TRUE; |
3427a3db | 1839 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1840 | wv_title->help = Qnil; |
a9d8395f | 1841 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1842 | first_wv->contents = wv_title; |
1843 | } | |
1844 | ||
78589e07 RS |
1845 | /* No selection has been chosen yet. */ |
1846 | menu_item_selection = 0; | |
1847 | ||
ba24cea2 YM |
1848 | /* Make sure to free the widget_value objects we used to specify the |
1849 | contents even with longjmp. */ | |
1850 | record_unwind_protect (cleanup_widget_value_tree, | |
1851 | make_save_value (first_wv, 0)); | |
1852 | ||
488dd4c4 | 1853 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1854 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1855 | |
ba24cea2 | 1856 | unbind_to (specpdl_count, Qnil); |
18686d47 | 1857 | |
78589e07 RS |
1858 | /* Find the selected item, and its pane, to return |
1859 | the proper value. */ | |
1860 | if (menu_item_selection != 0) | |
1861 | { | |
c63f6952 | 1862 | Lisp_Object prefix, entry; |
78589e07 | 1863 | |
6bbd7a29 | 1864 | prefix = entry = Qnil; |
78589e07 RS |
1865 | i = 0; |
1866 | while (i < menu_items_used) | |
1867 | { | |
28be1ada | 1868 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1869 | { |
1870 | subprefix_stack[submenu_depth++] = prefix; | |
1871 | prefix = entry; | |
1872 | i++; | |
1873 | } | |
28be1ada | 1874 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1875 | { |
1876 | prefix = subprefix_stack[--submenu_depth]; | |
1877 | i++; | |
1878 | } | |
28be1ada | 1879 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1880 | { |
1881 | prefix | |
28be1ada | 1882 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
1883 | i += MENU_ITEMS_PANE_LENGTH; |
1884 | } | |
d31d42cc RS |
1885 | /* Ignore a nil in the item list. |
1886 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1887 | else if (EQ (AREF (menu_items, i), Qquote)) |
d31d42cc | 1888 | i += 1; |
78589e07 RS |
1889 | else |
1890 | { | |
1891 | entry | |
28be1ada DA |
1892 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
1893 | if (menu_item_selection == &AREF (menu_items, i)) | |
78589e07 RS |
1894 | { |
1895 | if (keymaps != 0) | |
1896 | { | |
101bb4a5 RS |
1897 | int j; |
1898 | ||
78589e07 RS |
1899 | entry = Fcons (entry, Qnil); |
1900 | if (!NILP (prefix)) | |
1901 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1902 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1903 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1904 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1905 | } |
1906 | return entry; | |
1907 | } | |
1908 | i += MENU_ITEMS_ITEM_LENGTH; | |
1909 | } | |
1910 | } | |
1911 | } | |
be6ed24a RS |
1912 | else if (!for_click) |
1913 | /* Make "Cancel" equivalent to C-g. */ | |
1914 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1915 | |
1916 | return Qnil; | |
18686d47 | 1917 | } |
4dedbfe0 | 1918 | \f |
488dd4c4 JD |
1919 | #ifdef USE_GTK |
1920 | static void | |
971de7fb | 1921 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 1922 | { |
8ac068ac | 1923 | /* Treat the pointer as an integer. There's no problem |
488dd4c4 | 1924 | as long as pointers have enough bits to hold small integers. */ |
d01a7826 | 1925 | if ((intptr_t) client_data != -1) |
488dd4c4 JD |
1926 | menu_item_selection = (Lisp_Object *) client_data; |
1927 | ||
1928 | popup_activated_flag = 0; | |
1929 | } | |
1930 | ||
1931 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1932 | dialog pops down. | |
1933 | menu_item_selection will be set to the selection. */ | |
1934 | static void | |
971de7fb | 1935 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1936 | { |
1937 | GtkWidget *menu; | |
1938 | ||
62af879c KL |
1939 | if (! FRAME_X_P (f)) |
1940 | abort (); | |
1941 | ||
488dd4c4 JD |
1942 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1943 | G_CALLBACK (dialog_selection_callback), | |
1944 | G_CALLBACK (popup_deactivate_callback), | |
1945 | 0); | |
1946 | ||
1947 | if (menu) | |
1948 | { | |
d311d28c | 1949 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
a130b901 | 1950 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1951 | |
488dd4c4 JD |
1952 | /* Display the menu. */ |
1953 | gtk_widget_show_all (menu); | |
1954 | ||
1955 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1956 | popup_widget_loop (1, menu); |
177c0ea7 | 1957 | |
af89e871 | 1958 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1959 | } |
1960 | } | |
1961 | ||
1962 | #else /* not USE_GTK */ | |
4dedbfe0 | 1963 | static void |
ebd15611 | 1964 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1965 | { |
4475bec4 | 1966 | /* Treat the pointer as an integer. There's no problem |
01d5e892 | 1967 | as long as pointers have enough bits to hold small integers. */ |
4475bec4 | 1968 | if ((intptr_t) client_data != -1) |
4dedbfe0 | 1969 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1970 | |
4dedbfe0 PR |
1971 | BLOCK_INPUT; |
1972 | lw_destroy_all_widgets (id); | |
1973 | UNBLOCK_INPUT; | |
9572375b | 1974 | popup_activated_flag = 0; |
4dedbfe0 | 1975 | } |
18686d47 | 1976 | |
488dd4c4 | 1977 | |
488dd4c4 JD |
1978 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1979 | dialog pops down. | |
1980 | menu_item_selection will be set to the selection. */ | |
1981 | static void | |
ebd15611 | 1982 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1983 | { |
1984 | LWLIB_ID dialog_id; | |
1985 | ||
62af879c | 1986 | if (!FRAME_X_P (f)) |
5e617bc2 | 1987 | abort (); |
62af879c | 1988 | |
488dd4c4 | 1989 | dialog_id = widget_id_tick++; |
52214050 | 1990 | #ifdef USE_LUCID |
1ecb2d3f JD |
1991 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1992 | #endif | |
488dd4c4 JD |
1993 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1994 | f->output_data.x->widget, 1, 0, | |
1995 | dialog_selection_callback, 0, 0); | |
1996 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1997 | /* Display the dialog box. */ |
1998 | lw_pop_up_all_widgets (dialog_id); | |
1999 | popup_activated_flag = 1; | |
98a20c65 | 2000 | x_activate_timeout_atimer (); |
488dd4c4 JD |
2001 | |
2002 | /* Process events that apply to the dialog box. | |
2003 | Also handle timers. */ | |
2004 | { | |
d311d28c | 2005 | ptrdiff_t count = SPECPDL_INDEX (); |
488dd4c4 | 2006 | int fact = 4 * sizeof (LWLIB_ID); |
177c0ea7 | 2007 | |
488dd4c4 | 2008 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 2009 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
2010 | Fcons (make_number (dialog_id >> (fact)), |
2011 | make_number (dialog_id & ~(-1 << (fact))))); | |
2012 | ||
df470e3b | 2013 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 2014 | dialog_id, 1); |
488dd4c4 JD |
2015 | |
2016 | unbind_to (count, Qnil); | |
2017 | } | |
2018 | } | |
2019 | ||
2020 | #endif /* not USE_GTK */ | |
2021 | ||
42ca4633 | 2022 | static const char * button_names [] = { |
165e1749 FP |
2023 | "button1", "button2", "button3", "button4", "button5", |
2024 | "button6", "button7", "button8", "button9", "button10" }; | |
2025 | ||
2026 | static Lisp_Object | |
42ca4633 J |
2027 | xdialog_show (FRAME_PTR f, |
2028 | int keymaps, | |
2029 | Lisp_Object title, | |
2030 | Lisp_Object header, | |
2031 | const char **error_name) | |
165e1749 FP |
2032 | { |
2033 | int i, nb_buttons=0; | |
80670155 | 2034 | char dialog_name[6]; |
165e1749 | 2035 | |
faa935b6 | 2036 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 2037 | |
fcaa7665 RS |
2038 | /* Number of elements seen so far, before boundary. */ |
2039 | int left_count = 0; | |
2040 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
2041 | int boundary_seen = 0; | |
2042 | ||
9898bd0e | 2043 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 2044 | |
62af879c KL |
2045 | if (! FRAME_X_P (f)) |
2046 | abort (); | |
2047 | ||
6a040d6a | 2048 | *error_name = NULL; |
165e1749 | 2049 | |
80670155 RS |
2050 | if (menu_items_n_panes > 1) |
2051 | { | |
6a040d6a | 2052 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2053 | return Qnil; |
2054 | } | |
2055 | ||
165e1749 FP |
2056 | /* Create a tree of widget_value objects |
2057 | representing the text label and buttons. */ | |
2058 | { | |
2059 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2060 | const char *pane_string; |
28be1ada DA |
2061 | pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME); |
2062 | prefix = AREF (menu_items, MENU_ITEMS_PANE_PREFIX); | |
165e1749 | 2063 | pane_string = (NILP (pane_name) |
51b59d79 | 2064 | ? "" : SSDATA (pane_name)); |
f7fab165 | 2065 | prev_wv = xmalloc_widget_value (); |
165e1749 FP |
2066 | prev_wv->value = pane_string; |
2067 | if (keymaps && !NILP (prefix)) | |
2068 | prev_wv->name++; | |
2069 | prev_wv->enabled = 1; | |
2070 | prev_wv->name = "message"; | |
27ad7b52 | 2071 | prev_wv->help = Qnil; |
165e1749 | 2072 | first_wv = prev_wv; |
177c0ea7 | 2073 | |
165e1749 FP |
2074 | /* Loop over all panes and items, filling in the tree. */ |
2075 | i = MENU_ITEMS_PANE_LENGTH; | |
2076 | while (i < menu_items_used) | |
2077 | { | |
177c0ea7 | 2078 | |
165e1749 FP |
2079 | /* Create a new item within current pane. */ |
2080 | Lisp_Object item_name, enable, descrip; | |
28be1ada DA |
2081 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2082 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
165e1749 | 2083 | descrip |
28be1ada | 2084 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
177c0ea7 | 2085 | |
80670155 RS |
2086 | if (NILP (item_name)) |
2087 | { | |
2088 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2089 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2090 | return Qnil; |
2091 | } | |
fcaa7665 RS |
2092 | if (EQ (item_name, Qquote)) |
2093 | { | |
2094 | /* This is the boundary between left-side elts | |
2095 | and right-side elts. Stop incrementing right_count. */ | |
2096 | boundary_seen = 1; | |
2097 | i++; | |
2098 | continue; | |
2099 | } | |
86e71abf | 2100 | if (nb_buttons >= 9) |
80670155 RS |
2101 | { |
2102 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2103 | *error_name = "Too many dialog items"; |
80670155 RS |
2104 | return Qnil; |
2105 | } | |
2106 | ||
f7fab165 | 2107 | wv = xmalloc_widget_value (); |
165e1749 | 2108 | prev_wv->next = wv; |
80670155 | 2109 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2110 | if (!NILP (descrip)) |
51b59d79 PE |
2111 | wv->key = SSDATA (descrip); |
2112 | wv->value = SSDATA (item_name); | |
28be1ada | 2113 | wv->call_data = (void *) &AREF (menu_items, i); |
165e1749 | 2114 | wv->enabled = !NILP (enable); |
27ad7b52 | 2115 | wv->help = Qnil; |
165e1749 FP |
2116 | prev_wv = wv; |
2117 | ||
fcaa7665 RS |
2118 | if (! boundary_seen) |
2119 | left_count++; | |
2120 | ||
165e1749 FP |
2121 | nb_buttons++; |
2122 | i += MENU_ITEMS_ITEM_LENGTH; | |
2123 | } | |
2124 | ||
fcaa7665 RS |
2125 | /* If the boundary was not specified, |
2126 | by default put half on the left and half on the right. */ | |
2127 | if (! boundary_seen) | |
2128 | left_count = nb_buttons - nb_buttons / 2; | |
2129 | ||
f7fab165 | 2130 | wv = xmalloc_widget_value (); |
80670155 | 2131 | wv->name = dialog_name; |
27ad7b52 | 2132 | wv->help = Qnil; |
6a040d6a NR |
2133 | |
2134 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2135 | Can also have 'E' = Error if, one day, we want | |
2136 | a popup for errors. */ | |
5e617bc2 | 2137 | if (NILP (header)) |
6a040d6a NR |
2138 | dialog_name[0] = 'Q'; |
2139 | else | |
2140 | dialog_name[0] = 'I'; | |
2141 | ||
80670155 RS |
2142 | /* Dialog boxes use a really stupid name encoding |
2143 | which specifies how many buttons to use | |
6a040d6a | 2144 | and how many buttons are on the right. */ |
80670155 RS |
2145 | dialog_name[1] = '0' + nb_buttons; |
2146 | dialog_name[2] = 'B'; | |
2147 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2148 | /* Number of buttons to put on the right. */ |
2149 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2150 | dialog_name[5] = 0; |
165e1749 FP |
2151 | wv->contents = first_wv; |
2152 | first_wv = wv; | |
165e1749 FP |
2153 | } |
2154 | ||
165e1749 FP |
2155 | /* No selection has been chosen yet. */ |
2156 | menu_item_selection = 0; | |
2157 | ||
ba24cea2 YM |
2158 | /* Make sure to free the widget_value objects we used to specify the |
2159 | contents even with longjmp. */ | |
2160 | record_unwind_protect (cleanup_widget_value_tree, | |
2161 | make_save_value (first_wv, 0)); | |
2162 | ||
488dd4c4 JD |
2163 | /* Actually create and show the dialog. */ |
2164 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2165 | |
ba24cea2 | 2166 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 2167 | |
488dd4c4 JD |
2168 | /* Find the selected item, and its pane, to return |
2169 | the proper value. */ | |
165e1749 FP |
2170 | if (menu_item_selection != 0) |
2171 | { | |
2172 | Lisp_Object prefix; | |
2173 | ||
2174 | prefix = Qnil; | |
2175 | i = 0; | |
2176 | while (i < menu_items_used) | |
2177 | { | |
2178 | Lisp_Object entry; | |
2179 | ||
28be1ada | 2180 | if (EQ (AREF (menu_items, i), Qt)) |
165e1749 FP |
2181 | { |
2182 | prefix | |
28be1ada | 2183 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
165e1749 FP |
2184 | i += MENU_ITEMS_PANE_LENGTH; |
2185 | } | |
28be1ada | 2186 | else if (EQ (AREF (menu_items, i), Qquote)) |
85996cfb GM |
2187 | { |
2188 | /* This is the boundary between left-side elts and | |
2189 | right-side elts. */ | |
2190 | ++i; | |
2191 | } | |
165e1749 FP |
2192 | else |
2193 | { | |
2194 | entry | |
28be1ada DA |
2195 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
2196 | if (menu_item_selection == &AREF (menu_items, i)) | |
165e1749 FP |
2197 | { |
2198 | if (keymaps != 0) | |
2199 | { | |
2200 | entry = Fcons (entry, Qnil); | |
2201 | if (!NILP (prefix)) | |
2202 | entry = Fcons (prefix, entry); | |
2203 | } | |
2204 | return entry; | |
2205 | } | |
2206 | i += MENU_ITEMS_ITEM_LENGTH; | |
2207 | } | |
2208 | } | |
2209 | } | |
9f6fcdc5 JD |
2210 | else |
2211 | /* Make "Cancel" equivalent to C-g. */ | |
2212 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2213 | |
2214 | return Qnil; | |
2215 | } | |
ba461919 | 2216 | |
488dd4c4 | 2217 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2218 | |
3e703b25 GM |
2219 | /* The frame of the last activated non-toolkit menu bar. |
2220 | Used to generate menu help events. */ | |
2221 | ||
2222 | static struct frame *menu_help_frame; | |
2223 | ||
2224 | ||
62145073 GM |
2225 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2226 | ||
2227 | PANE is the pane number, and ITEM is the menu item number in | |
2228 | the menu (currently not used). | |
177c0ea7 | 2229 | |
62145073 GM |
2230 | This cannot be done with generating a HELP_EVENT because |
2231 | XMenuActivate contains a loop that doesn't let Emacs process | |
2232 | keyboard events. */ | |
3e703b25 GM |
2233 | |
2234 | static void | |
eb18f6cc | 2235 | menu_help_callback (char const *help_string, int pane, int item) |
3e703b25 | 2236 | { |
62145073 GM |
2237 | Lisp_Object *first_item; |
2238 | Lisp_Object pane_name; | |
2239 | Lisp_Object menu_object; | |
177c0ea7 | 2240 | |
62145073 GM |
2241 | first_item = XVECTOR (menu_items)->contents; |
2242 | if (EQ (first_item[0], Qt)) | |
2243 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2244 | else if (EQ (first_item[0], Qquote)) | |
2245 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2246 | pane_name = empty_unibyte_string; |
62145073 GM |
2247 | else |
2248 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2249 | |
62145073 GM |
2250 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2251 | menu_object = Fcons (Qmenu_item, | |
2252 | Fcons (pane_name, | |
2253 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2254 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
f868cd8a | 2255 | Qnil, menu_object, make_number (item)); |
3e703b25 | 2256 | } |
177c0ea7 | 2257 | |
af89e871 | 2258 | static Lisp_Object |
0521f580 | 2259 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2260 | { |
a130b901 JD |
2261 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2262 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2263 | |
a130b901 JD |
2264 | FRAME_PTR f = p1->pointer; |
2265 | XMenu *menu = p2->pointer; | |
af89e871 JD |
2266 | |
2267 | BLOCK_INPUT; | |
af89e871 | 2268 | #ifndef MSDOS |
a130b901 JD |
2269 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2270 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2271 | #endif |
a130b901 | 2272 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2273 | |
2274 | #ifdef HAVE_X_WINDOWS | |
2275 | /* Assume the mouse has moved out of the X window. | |
2276 | If it has actually moved in, we will get an EnterNotify. */ | |
2277 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2278 | ||
2279 | /* State that no mouse buttons are now held. | |
2280 | (The oldXMenu code doesn't track this info for us.) | |
2281 | That is not necessarily true, but the fiction leads to reasonable | |
2282 | results, and it is a pain to ask which are actually held now. */ | |
2283 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2284 | ||
2285 | #endif /* HAVE_X_WINDOWS */ | |
2286 | ||
2287 | UNBLOCK_INPUT; | |
2288 | ||
2289 | return Qnil; | |
2290 | } | |
2291 | ||
3e703b25 | 2292 | |
1fb99a3a | 2293 | Lisp_Object |
2b23d2a6 | 2294 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, |
08dc5ae6 | 2295 | Lisp_Object title, const char **error_name, Time timestamp) |
dcfdbac7 | 2296 | { |
177c0ea7 | 2297 | Window root; |
78589e07 RS |
2298 | XMenu *menu; |
2299 | int pane, selidx, lpane, status; | |
2300 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2301 | char *datap; |
2302 | int ulx, uly, width, height; | |
2303 | int dispwidth, dispheight; | |
453a4f1b | 2304 | int i, j, lines, maxlines; |
4e8d3549 | 2305 | int maxwidth; |
78589e07 RS |
2306 | int dummy_int; |
2307 | unsigned int dummy_uint; | |
d311d28c | 2308 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2309 | |
a9e1244d | 2310 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
62af879c KL |
2311 | abort (); |
2312 | ||
bf501fb9 | 2313 | *error_name = 0; |
78589e07 RS |
2314 | if (menu_items_n_panes == 0) |
2315 | return Qnil; | |
088831f6 | 2316 | |
742f715d KH |
2317 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2318 | { | |
bf501fb9 | 2319 | *error_name = "Empty menu"; |
742f715d KH |
2320 | return Qnil; |
2321 | } | |
2322 | ||
78589e07 | 2323 | /* Figure out which root window F is on. */ |
92280f67 | 2324 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2325 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2326 | &dummy_uint, &dummy_uint); | |
18686d47 | 2327 | |
78589e07 | 2328 | /* Make the menu on that window. */ |
92280f67 | 2329 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2330 | if (menu == NULL) |
dcfdbac7 | 2331 | { |
bf501fb9 | 2332 | *error_name = "Can't create menu"; |
78589e07 | 2333 | return Qnil; |
dcfdbac7 | 2334 | } |
78589e07 | 2335 | |
d130d129 RS |
2336 | /* Don't GC while we prepare and show the menu, |
2337 | because we give the oldxmenu library pointers to the | |
2338 | contents of strings. */ | |
2339 | inhibit_garbage_collection (); | |
2340 | ||
87485d6f | 2341 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2342 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2343 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2344 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2345 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2346 | |
2347 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2348 | x += f->left_pos; |
2349 | y += f->top_pos; | |
177c0ea7 | 2350 | |
78589e07 | 2351 | /* Create all the necessary panes and their items. */ |
eef9bc79 PE |
2352 | maxwidth = maxlines = lines = i = 0; |
2353 | lpane = XM_FAILURE; | |
78589e07 | 2354 | while (i < menu_items_used) |
dcfdbac7 | 2355 | { |
28be1ada | 2356 | if (EQ (AREF (menu_items, i), Qt)) |
dcfdbac7 | 2357 | { |
78589e07 RS |
2358 | /* Create a new pane. */ |
2359 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2360 | const char *pane_string; |
78589e07 | 2361 | |
453a4f1b JD |
2362 | maxlines = max (maxlines, lines); |
2363 | lines = 0; | |
28be1ada DA |
2364 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
2365 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
78589e07 | 2366 | pane_string = (NILP (pane_name) |
51b59d79 | 2367 | ? "" : SSDATA (pane_name)); |
78589e07 RS |
2368 | if (keymaps && !NILP (prefix)) |
2369 | pane_string++; | |
2370 | ||
92280f67 | 2371 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2372 | if (lpane == XM_FAILURE) |
2373 | { | |
92280f67 | 2374 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2375 | *error_name = "Can't create pane"; |
78589e07 RS |
2376 | return Qnil; |
2377 | } | |
2378 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2379 | |
2380 | /* Find the width of the widest item in this pane. */ | |
4e8d3549 RS |
2381 | j = i; |
2382 | while (j < menu_items_used) | |
2383 | { | |
2384 | Lisp_Object item; | |
28be1ada | 2385 | item = AREF (menu_items, j); |
4e8d3549 RS |
2386 | if (EQ (item, Qt)) |
2387 | break; | |
2388 | if (NILP (item)) | |
2389 | { | |
2390 | j++; | |
2391 | continue; | |
2392 | } | |
d5db4077 | 2393 | width = SBYTES (item); |
4e8d3549 RS |
2394 | if (width > maxwidth) |
2395 | maxwidth = width; | |
2396 | ||
2397 | j += MENU_ITEMS_ITEM_LENGTH; | |
2398 | } | |
dcfdbac7 | 2399 | } |
fcaa7665 RS |
2400 | /* Ignore a nil in the item list. |
2401 | It's meaningful only for dialog boxes. */ | |
28be1ada | 2402 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 2403 | i += 1; |
78589e07 | 2404 | else |
dcfdbac7 | 2405 | { |
78589e07 | 2406 | /* Create a new item within current pane. */ |
3e703b25 | 2407 | Lisp_Object item_name, enable, descrip, help; |
eb18f6cc PE |
2408 | char *item_data; |
2409 | char const *help_string; | |
78589e07 | 2410 | |
28be1ada DA |
2411 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2412 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
78589e07 | 2413 | descrip |
28be1ada DA |
2414 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
2415 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
eb18f6cc | 2416 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
177c0ea7 | 2417 | |
78589e07 | 2418 | if (!NILP (descrip)) |
4e8d3549 | 2419 | { |
4e8d3549 RS |
2420 | /* if alloca is fast, use that to make the space, |
2421 | to reduce gc needs. */ | |
eb18f6cc PE |
2422 | item_data = (char *) alloca (maxwidth + SBYTES (descrip) + 1); |
2423 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); | |
d5db4077 | 2424 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2425 | item_data[j] = ' '; |
eb18f6cc | 2426 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2427 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2428 | } |
2429 | else | |
eb18f6cc | 2430 | item_data = SSDATA (item_name); |
78589e07 | 2431 | |
eef9bc79 PE |
2432 | if (lpane == XM_FAILURE |
2433 | || (XMenuAddSelection (FRAME_X_DISPLAY (f), | |
2434 | menu, lpane, 0, item_data, | |
2435 | !NILP (enable), help_string) | |
2436 | == XM_FAILURE)) | |
dcfdbac7 | 2437 | { |
92280f67 | 2438 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2439 | *error_name = "Can't add selection to menu"; |
78589e07 | 2440 | return Qnil; |
dcfdbac7 | 2441 | } |
78589e07 | 2442 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2443 | lines++; |
dcfdbac7 JB |
2444 | } |
2445 | } | |
4e8d3549 | 2446 | |
453a4f1b JD |
2447 | maxlines = max (maxlines, lines); |
2448 | ||
78589e07 | 2449 | /* All set and ready to fly. */ |
92280f67 | 2450 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2451 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2452 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2453 | x = min (x, dispwidth); |
2454 | y = min (y, dispheight); | |
2455 | x = max (x, 1); | |
2456 | y = max (y, 1); | |
92280f67 | 2457 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2458 | &ulx, &uly, &width, &height); |
2459 | if (ulx+width > dispwidth) | |
2460 | { | |
78589e07 | 2461 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2462 | ulx = dispwidth - width; |
2463 | } | |
2464 | if (uly+height > dispheight) | |
2465 | { | |
78589e07 | 2466 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2467 | uly = dispheight - height; |
2468 | } | |
2de7397f EZ |
2469 | #ifndef HAVE_X_WINDOWS |
2470 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2471 | { | |
2472 | /* Move the menu away of the echo area, to avoid overwriting the | |
2473 | menu with help echo messages or vice versa. */ | |
2474 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2475 | { | |
2476 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2477 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2478 | } | |
2479 | else | |
2480 | { | |
2481 | y--; | |
2482 | uly--; | |
2483 | } | |
2484 | } | |
2485 | #endif | |
78589e07 RS |
2486 | if (ulx < 0) x -= ulx; |
2487 | if (uly < 0) y -= uly; | |
121e4555 | 2488 | |
453a4f1b JD |
2489 | if (! for_click) |
2490 | { | |
2491 | /* If position was not given by a mouse click, adjust so upper left | |
2492 | corner of the menu as a whole ends up at given coordinates. This | |
2493 | is what x-popup-menu says in its documentation. */ | |
2494 | x += width/2; | |
2495 | y += 1.5*height/(maxlines+2); | |
2496 | } | |
2497 | ||
121e4555 | 2498 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2499 | XMenuSetFreeze (menu, TRUE); |
2500 | pane = selidx = 0; | |
3e703b25 | 2501 | |
c3438661 JD |
2502 | #ifndef MSDOS |
2503 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2504 | #endif | |
59cfb104 | 2505 | |
a130b901 JD |
2506 | record_unwind_protect (pop_down_menu, |
2507 | Fcons (make_save_value (f, 0), | |
2508 | make_save_value (menu, 0))); | |
c3438661 | 2509 | |
3e703b25 GM |
2510 | /* Help display under X won't work because XMenuActivate contains |
2511 | a loop that doesn't give Emacs a chance to process it. */ | |
2512 | menu_help_frame = f; | |
92280f67 | 2513 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2514 | x, y, ButtonReleaseMask, &datap, |
2515 | menu_help_callback); | |
eef9bc79 | 2516 | entry = pane_prefix = Qnil; |
a352a815 | 2517 | |
dcfdbac7 JB |
2518 | switch (status) |
2519 | { | |
2520 | case XM_SUCCESS: | |
2521 | #ifdef XDEBUG | |
2522 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2523 | #endif | |
fa6d54d9 | 2524 | |
78589e07 RS |
2525 | /* Find the item number SELIDX in pane number PANE. */ |
2526 | i = 0; | |
2527 | while (i < menu_items_used) | |
fa6d54d9 | 2528 | { |
28be1ada | 2529 | if (EQ (AREF (menu_items, i), Qt)) |
088831f6 | 2530 | { |
78589e07 RS |
2531 | if (pane == 0) |
2532 | pane_prefix | |
28be1ada | 2533 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
2534 | pane--; |
2535 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2536 | } |
78589e07 | 2537 | else |
ab6ee1a0 | 2538 | { |
78589e07 | 2539 | if (pane == -1) |
ab6ee1a0 | 2540 | { |
78589e07 | 2541 | if (selidx == 0) |
ab6ee1a0 | 2542 | { |
78589e07 | 2543 | entry |
28be1ada | 2544 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
78589e07 | 2545 | if (keymaps != 0) |
ab6ee1a0 | 2546 | { |
78589e07 RS |
2547 | entry = Fcons (entry, Qnil); |
2548 | if (!NILP (pane_prefix)) | |
2549 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2550 | } |
78589e07 | 2551 | break; |
ab6ee1a0 | 2552 | } |
78589e07 | 2553 | selidx--; |
ab6ee1a0 | 2554 | } |
78589e07 | 2555 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2556 | } |
2557 | } | |
78589e07 | 2558 | break; |
dcfdbac7 | 2559 | |
78589e07 | 2560 | case XM_FAILURE: |
bf501fb9 | 2561 | *error_name = "Can't activate menu"; |
78589e07 | 2562 | case XM_IA_SELECT: |
9f6fcdc5 | 2563 | break; |
78589e07 | 2564 | case XM_NO_SELECT: |
be6ed24a RS |
2565 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2566 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2567 | if (! for_click) |
2568 | Fsignal (Qquit, Qnil); | |
78589e07 | 2569 | break; |
dcfdbac7 | 2570 | } |
a5285df3 | 2571 | |
af89e871 | 2572 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2573 | |
78589e07 | 2574 | return entry; |
dcfdbac7 | 2575 | } |
4dedbfe0 | 2576 | |
78589e07 | 2577 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2578 | |
2579 | #endif /* HAVE_MENUS */ | |
e3135734 | 2580 | |
d009ae66 EZ |
2581 | #ifndef MSDOS |
2582 | /* Detect if a dialog or menu has been posted. MSDOS has its own | |
2583 | implementation on msdos.c. */ | |
b79b8a1c CY |
2584 | |
2585 | int | |
971de7fb | 2586 | popup_activated (void) |
b79b8a1c CY |
2587 | { |
2588 | return popup_activated_flag; | |
2589 | } | |
d009ae66 | 2590 | #endif /* not MSDOS */ |
e3135734 CY |
2591 | |
2592 | /* The following is used by delayed window autoselection. */ | |
2593 | ||
2594 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2595 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2596 | (void) |
e3135734 CY |
2597 | { |
2598 | #ifdef HAVE_MENUS | |
2599 | return (popup_activated ()) ? Qt : Qnil; | |
2600 | #else | |
2601 | return Qnil; | |
2602 | #endif /* HAVE_MENUS */ | |
2603 | } | |
088831f6 | 2604 | \f |
dfcf069d | 2605 | void |
971de7fb | 2606 | syms_of_xmenu (void) |
dcfdbac7 | 2607 | { |
cd3520a4 | 2608 | DEFSYM (Qdebug_on_next_call, "debug-on-next-call"); |
0314aacb | 2609 | |
8ed87156 | 2610 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2611 | widget_id_tick = (1<<16); |
88766961 | 2612 | next_menubar_widget_id = 1; |
8ed87156 RS |
2613 | #endif |
2614 | ||
508fb067 | 2615 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2616 | |
2617 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2618 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2619 | Ffset (intern_c_string ("accelerate-menu"), |
2620 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2621 | #endif |
2622 | ||
1e659e4c | 2623 | #ifdef HAVE_MENUS |
165e1749 | 2624 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2625 | #endif |
dcfdbac7 | 2626 | } |