Commit | Line | Data |
---|---|---|
dcfdbac7 | 1 | /* X Communication module for terminals which understand the X protocol. |
95df8112 | 2 | |
ab422c4d PE |
3 | Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2013 Free Software |
4 | Foundation, Inc. | |
dcfdbac7 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
dcfdbac7 | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
dcfdbac7 JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
dcfdbac7 | 20 | |
c9e60620 | 21 | /* X pop-up deck-of-cards menu facility for GNU Emacs. |
dcfdbac7 JB |
22 | * |
23 | * Written by Jon Arnold and Roman Budzianowski | |
24 | * Mods and rewrite by Robert Krawitz | |
25 | * | |
26 | */ | |
27 | ||
18686d47 RS |
28 | /* Modified by Fred Pierresteguy on December 93 |
29 | to make the popup menus and menubar use the Xt. */ | |
30 | ||
78589e07 RS |
31 | /* Rewritten for clarity and GC protection by rms in Feb 94. */ |
32 | ||
68c45bf0 PE |
33 | #include <config.h> |
34 | ||
565620a5 | 35 | #include <stdio.h> |
7ee72033 | 36 | |
dcfdbac7 | 37 | #include "lisp.h" |
02067692 | 38 | #include "keyboard.h" |
5ee707b8 | 39 | #include "keymap.h" |
7708e9bd | 40 | #include "frame.h" |
428a555e | 41 | #include "termhooks.h" |
dcfdbac7 | 42 | #include "window.h" |
9ac0d9e0 | 43 | #include "blockinput.h" |
e5560ff7 | 44 | #include "character.h" |
88766961 | 45 | #include "buffer.h" |
cc45fb40 SM |
46 | #include "charset.h" |
47 | #include "coding.h" | |
c3438661 | 48 | #include "sysselect.h" |
dcfdbac7 | 49 | |
eeee3112 RS |
50 | #ifdef MSDOS |
51 | #include "msdos.h" | |
52 | #endif | |
53 | ||
87485d6f | 54 | #ifdef HAVE_X_WINDOWS |
dcfdbac7 JB |
55 | /* This may include sys/types.h, and that somehow loses |
56 | if this is not done before the other system files. */ | |
57 | #include "xterm.h" | |
87485d6f | 58 | #endif |
dcfdbac7 JB |
59 | |
60 | /* Load sys/types.h if not already loaded. | |
61 | In some systems loading it twice is suicidal. */ | |
62 | #ifndef makedev | |
63 | #include <sys/types.h> | |
64 | #endif | |
65 | ||
66 | #include "dispextern.h" | |
67 | ||
87485d6f | 68 | #ifdef HAVE_X_WINDOWS |
646f98ec DL |
69 | /* Defining HAVE_MULTILINGUAL_MENU would mean that the toolkit menu |
70 | code accepts the Emacs internal encoding. */ | |
703dc2a8 | 71 | #undef HAVE_MULTILINGUAL_MENU |
18686d47 | 72 | #ifdef USE_X_TOOLKIT |
991786dd | 73 | #include "widget.h" |
18686d47 RS |
74 | #include <X11/Xlib.h> |
75 | #include <X11/IntrinsicP.h> | |
76 | #include <X11/CoreP.h> | |
77 | #include <X11/StringDefs.h> | |
60f312e2 | 78 | #include <X11/Shell.h> |
5ee80bd3 | 79 | #ifdef USE_LUCID |
99852628 JD |
80 | #include "xsettings.h" |
81 | #include "../lwlib/xlwmenu.h" | |
5262c5c7 CY |
82 | #ifdef HAVE_XAW3D |
83 | #include <X11/Xaw3d/Paned.h> | |
84 | #else /* !HAVE_XAW3D */ | |
1d1c1567 | 85 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 86 | #endif /* HAVE_XAW3D */ |
5ee80bd3 | 87 | #endif /* USE_LUCID */ |
c865c575 | 88 | #ifdef USE_MOTIF |
dee186b6 | 89 | #include "../lwlib/lwlib.h" |
c865c575 | 90 | #endif |
a352a815 | 91 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 | 92 | #ifndef USE_GTK |
a352a815 | 93 | #include "../oldXMenu/XMenu.h" |
488dd4c4 | 94 | #endif |
a352a815 RS |
95 | #endif /* not USE_X_TOOLKIT */ |
96 | #endif /* HAVE_X_WINDOWS */ | |
18686d47 | 97 | |
e7c9048f AS |
98 | #ifdef USE_GTK |
99 | #include "gtkutil.h" | |
93d5ca1f JD |
100 | #ifdef HAVE_GTK3 |
101 | #include "xgselect.h" | |
102 | #endif | |
e7c9048f AS |
103 | #endif |
104 | ||
105 | #include "menu.h" | |
106 | ||
dcfdbac7 JB |
107 | #ifndef TRUE |
108 | #define TRUE 1 | |
78589e07 | 109 | #endif /* no TRUE */ |
dcfdbac7 | 110 | |
955cbe7b | 111 | static Lisp_Object Qdebug_on_next_call; |
0314aacb | 112 | |
04bab72c | 113 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
a10c8269 | 114 | static Lisp_Object xdialog_show (struct frame *, bool, Lisp_Object, Lisp_Object, |
42ca4633 | 115 | const char **); |
3427a3db | 116 | #endif |
78589e07 | 117 | \f |
4dedbfe0 | 118 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 119 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 120 | static int popup_activated_flag; |
4dedbfe0 | 121 | |
bd3a4da2 | 122 | \f |
88766961 | 123 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 124 | |
281585b0 PE |
125 | static int next_menubar_widget_id; |
126 | ||
7556890b | 127 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 128 | |
88766961 | 129 | static struct frame * |
ebd15611 | 130 | menubar_id_to_frame (LWLIB_ID id) |
88766961 RS |
131 | { |
132 | Lisp_Object tail, frame; | |
a10c8269 | 133 | struct frame *f; |
bd3a4da2 | 134 | |
5b04e9f9 | 135 | FOR_EACH_FRAME (tail, frame) |
bd3a4da2 | 136 | { |
88766961 | 137 | f = XFRAME (frame); |
2d764c78 | 138 | if (!FRAME_WINDOW_P (f)) |
88766961 | 139 | continue; |
7556890b | 140 | if (f->output_data.x->id == id) |
88766961 | 141 | return f; |
bd3a4da2 | 142 | } |
88766961 | 143 | return 0; |
bd3a4da2 | 144 | } |
88766961 RS |
145 | |
146 | #endif | |
4dedbfe0 | 147 | \f |
a894238b JD |
148 | #ifdef HAVE_X_WINDOWS |
149 | /* Return the mouse position in *X and *Y. The coordinates are window | |
150 | relative for the edit window in frame F. | |
151 | This is for Fx_popup_menu. The mouse_position_hook can not | |
152 | be used for X, as it returns window relative coordinates | |
153 | for the window where the mouse is in. This could be the menu bar, | |
154 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
155 | sure it is the edit window. */ | |
ef7417fd | 156 | void |
a10c8269 | 157 | mouse_position_for_popup (struct frame *f, int *x, int *y) |
a894238b JD |
158 | { |
159 | Window root, dummy_window; | |
160 | int dummy; | |
161 | ||
65b02bb9 | 162 | eassert (FRAME_X_P (f)); |
62af879c | 163 | |
4d7e6e51 | 164 | block_input (); |
177c0ea7 | 165 | |
a894238b JD |
166 | XQueryPointer (FRAME_X_DISPLAY (f), |
167 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
168 | ||
169 | /* The root window which contains the pointer. */ | |
170 | &root, | |
171 | ||
172 | /* Window pointer is on, not used */ | |
173 | &dummy_window, | |
174 | ||
175 | /* The position on that root window. */ | |
176 | x, y, | |
177 | ||
178 | /* x/y in dummy_window coordinates, not used. */ | |
179 | &dummy, &dummy, | |
180 | ||
181 | /* Modifier keys and pointer buttons, about which | |
182 | we don't care. */ | |
183 | (unsigned int *) &dummy); | |
184 | ||
4d7e6e51 | 185 | unblock_input (); |
a894238b JD |
186 | |
187 | /* xmenu_show expects window coordinates, not root window | |
188 | coordinates. Translate. */ | |
9882535b KS |
189 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
190 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
191 | } |
192 | ||
193 | #endif /* HAVE_X_WINDOWS */ | |
194 | ||
1e659e4c RS |
195 | #ifdef HAVE_MENUS |
196 | ||
a7ca3326 | 197 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 198 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
199 | POSITION specifies which frame to use. |
200 | This is normally a mouse button event or a window or frame. | |
201 | If POSITION is t, it means to use the frame the mouse is on. | |
202 | The dialog box appears in the middle of the specified frame. | |
203 | ||
204 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 205 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
206 | Each ITEM is a cons cell (STRING . VALUE). |
207 | The return value is VALUE from the chosen item. | |
208 | ||
209 | An ITEM may also be just a string--that makes a nonselectable item. | |
210 | An ITEM may also be nil--that means to put all preceding items | |
211 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
212 | \(By default, approximately half appear on each side.) |
213 | ||
6a040d6a NR |
214 | If HEADER is non-nil, the frame title for the box is "Information", |
215 | otherwise it is "Question". | |
216 | ||
c05fe5d5 LT |
217 | If the user gets rid of the dialog box without making a valid choice, |
218 | for instance using the window manager, then this produces a quit and | |
219 | `x-popup-dialog' does not return. */) | |
5842a27b | 220 | (Lisp_Object position, Lisp_Object contents, Lisp_Object header) |
165e1749 | 221 | { |
a10c8269 | 222 | struct frame *f = NULL; |
99fe880d | 223 | Lisp_Object window; |
165e1749 | 224 | |
99fe880d | 225 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 226 | if (EQ (position, Qt) |
2b06561a DL |
227 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
228 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 229 | { |
b14db4d7 | 230 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 231 | /* Use the mouse's current position. */ |
a10c8269 | 232 | struct frame *new_f = SELECTED_FRAME (); |
99fe880d | 233 | Lisp_Object bar_window; |
cc45fb40 | 234 | enum scroll_bar_part part; |
08dc5ae6 | 235 | Time time; |
99fe880d | 236 | Lisp_Object x, y; |
165e1749 | 237 | |
46b657e2 | 238 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 239 | |
99fe880d | 240 | if (new_f != 0) |
a39f0477 | 241 | XSETFRAME (window, new_f); |
99fe880d RS |
242 | else |
243 | window = selected_window; | |
b14db4d7 | 244 | #endif |
88d4f6ec | 245 | window = selected_window; |
99fe880d RS |
246 | } |
247 | else if (CONSP (position)) | |
248 | { | |
7d7bbefd | 249 | Lisp_Object tem = XCAR (position); |
b5bb2705 | 250 | if (CONSP (tem)) |
34348bd4 | 251 | window = Fcar (XCDR (position)); |
80670155 RS |
252 | else |
253 | { | |
34348bd4 | 254 | tem = Fcar (XCDR (position)); /* EVENT_START (position) */ |
99fe880d | 255 | window = Fcar (tem); /* POSN_WINDOW (tem) */ |
165e1749 | 256 | } |
165e1749 | 257 | } |
99fe880d RS |
258 | else if (WINDOWP (position) || FRAMEP (position)) |
259 | window = position; | |
a9be6839 RS |
260 | else |
261 | window = Qnil; | |
165e1749 | 262 | |
99fe880d | 263 | /* Decode where to put the menu. */ |
165e1749 | 264 | |
b5bb2705 | 265 | if (FRAMEP (window)) |
99fe880d | 266 | f = XFRAME (window); |
b5bb2705 | 267 | else if (WINDOWP (window)) |
165e1749 | 268 | { |
b7826503 | 269 | CHECK_LIVE_WINDOW (window); |
99fe880d | 270 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 271 | } |
99fe880d RS |
272 | else |
273 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
274 | but I don't want to make one now. */ | |
b7826503 | 275 | CHECK_WINDOW (window); |
165e1749 | 276 | |
7452b7bd | 277 | check_window_system (f); |
62af879c | 278 | |
5da9fdfa YM |
279 | /* Force a redisplay before showing the dialog. If a frame is created |
280 | just before showing the dialog, its contents may not have been fully | |
281 | drawn, as this depends on timing of events from the X server. Redisplay | |
282 | is not done when a dialog is shown. If redisplay could be done in the | |
283 | X event loop (i.e. the X event loop does not run in a signal handler) | |
284 | this would not be needed. | |
285 | ||
286 | Do this before creating the widget value that points to Lisp | |
287 | string contents, because Fredisplay may GC and relocate them. */ | |
288 | Fredisplay (Qt); | |
289 | ||
488dd4c4 | 290 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
291 | /* Display a menu with these alternatives |
292 | in the middle of frame F. */ | |
293 | { | |
294 | Lisp_Object x, y, frame, newpos; | |
a39f0477 | 295 | XSETFRAME (frame, f); |
f435830e DA |
296 | XSETINT (x, FRAME_PIXEL_WIDTH (f) / 2); |
297 | XSETINT (y, FRAME_PIXEL_HEIGHT (f) / 2); | |
6c6f1994 | 298 | newpos = list2 (list2 (x, y), frame); |
99fe880d RS |
299 | |
300 | return Fx_popup_menu (newpos, | |
6c6f1994 | 301 | list2 (Fcar (contents), contents)); |
99fe880d RS |
302 | } |
303 | #else | |
304 | { | |
305 | Lisp_Object title; | |
42ca4633 | 306 | const char *error_name; |
99fe880d | 307 | Lisp_Object selection; |
d311d28c | 308 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
165e1749 | 309 | |
99fe880d RS |
310 | /* Decode the dialog items from what was specified. */ |
311 | title = Fcar (contents); | |
b7826503 | 312 | CHECK_STRING (title); |
27e498e6 | 313 | record_unwind_protect_void (unuse_menu_items); |
165e1749 | 314 | |
6b61353c KH |
315 | if (NILP (Fcar (Fcdr (contents)))) |
316 | /* No buttons specified, add an "Ok" button so users can pop down | |
317 | the dialog. Also, the lesstif/motif version crashes if there are | |
318 | no buttons. */ | |
6c6f1994 | 319 | contents = list2 (title, Fcons (build_string ("Ok"), Qt)); |
b9de078a | 320 | |
6c6f1994 | 321 | list_of_panes (list1 (contents)); |
165e1749 | 322 | |
99fe880d | 323 | /* Display them in a dialog box. */ |
4d7e6e51 | 324 | block_input (); |
6a040d6a | 325 | selection = xdialog_show (f, 0, title, header, &error_name); |
4d7e6e51 | 326 | unblock_input (); |
165e1749 | 327 | |
86fad4ec | 328 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
329 | discard_menu_items (); |
330 | ||
f390e2d5 | 331 | if (error_name) error ("%s", error_name); |
99fe880d RS |
332 | return selection; |
333 | } | |
7464b131 | 334 | #endif |
392d3f4b | 335 | } |
c3438661 JD |
336 | |
337 | ||
338 | #ifndef MSDOS | |
339 | ||
4475bec4 PE |
340 | #if defined USE_GTK || defined USE_MOTIF |
341 | ||
b3935289 JD |
342 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
343 | ||
344 | void | |
971de7fb | 345 | x_menu_set_in_use (int in_use) |
b3935289 JD |
346 | { |
347 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 348 | popup_activated_flag = in_use; |
73dba342 | 349 | #ifdef USE_X_TOOLKIT |
98a20c65 CY |
350 | if (popup_activated_flag) |
351 | x_activate_timeout_atimer (); | |
73dba342 | 352 | #endif |
b3935289 JD |
353 | } |
354 | ||
4475bec4 PE |
355 | #endif |
356 | ||
c3438661 JD |
357 | /* Wait for an X event to arrive or for a timer to expire. */ |
358 | ||
6f37259d PE |
359 | #ifndef USE_MOTIF |
360 | static | |
361 | #endif | |
b3935289 | 362 | void |
c3438661 JD |
363 | x_menu_wait_for_event (void *data) |
364 | { | |
c3438661 JD |
365 | /* Another way to do this is to register a timer callback, that can be |
366 | done in GTK and Xt. But we have to do it like this when using only X | |
367 | anyway, and with callbacks we would have three variants for timer handling | |
368 | instead of the small ifdefs below. */ | |
369 | ||
370 | while ( | |
371 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 372 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
373 | #elif defined USE_GTK |
374 | ! gtk_events_pending () | |
375 | #else | |
7d652d97 | 376 | ! XPending (data) |
c3438661 JD |
377 | #endif |
378 | ) | |
379 | { | |
43aac990 | 380 | struct timespec next_time = timer_check (), *ntp; |
d486344e | 381 | fd_set read_fds; |
c3438661 JD |
382 | struct x_display_info *dpyinfo; |
383 | int n = 0; | |
384 | ||
385 | FD_ZERO (&read_fds); | |
386 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
387 | { | |
388 | int fd = ConnectionNumber (dpyinfo->display); | |
389 | FD_SET (fd, &read_fds); | |
390 | if (fd > n) n = fd; | |
11814156 | 391 | XFlush (dpyinfo->display); |
c3438661 JD |
392 | } |
393 | ||
43aac990 | 394 | if (! timespec_valid_p (next_time)) |
e90292a9 JD |
395 | ntp = 0; |
396 | else | |
397 | ntp = &next_time; | |
c3438661 | 398 | |
8f5f35cc | 399 | #if defined USE_GTK && defined HAVE_GTK3 |
63def6b6 CY |
400 | /* Gtk3 have arrows on menus when they don't fit. When the |
401 | pointer is over an arrow, a timeout scrolls it a bit. Use | |
402 | xg_select so that timeout gets triggered. */ | |
403 | xg_select (n + 1, &read_fds, NULL, NULL, ntp, NULL); | |
93d5ca1f | 404 | #else |
d35af63c | 405 | pselect (n + 1, &read_fds, NULL, NULL, ntp, NULL); |
93d5ca1f | 406 | #endif |
c3438661 JD |
407 | } |
408 | } | |
409 | #endif /* ! MSDOS */ | |
410 | ||
78589e07 | 411 | \f |
488dd4c4 | 412 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 413 | |
f1d1cd24 JD |
414 | #ifdef USE_X_TOOLKIT |
415 | ||
4dedbfe0 | 416 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 417 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
418 | and x-popup-dialog; it is not used for the menu bar. |
419 | ||
2e2b8e22 | 420 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 421 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 422 | |
f02cac82 | 423 | static void |
ebd15611 | 424 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 425 | { |
4dedbfe0 | 426 | XEvent event; |
f02cac82 | 427 | |
8b806a85 JD |
428 | while (popup_activated_flag) |
429 | { | |
c0b0f54b | 430 | if (initial_event) |
8b806a85 JD |
431 | { |
432 | event = *initial_event; | |
433 | initial_event = 0; | |
434 | } | |
435 | else | |
c3438661 JD |
436 | { |
437 | if (do_timers) x_menu_wait_for_event (0); | |
438 | XtAppNextEvent (Xt_app_con, &event); | |
439 | } | |
78589e07 | 440 | |
10624005 | 441 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
442 | And make sure to deactivate for any ButtonRelease, |
443 | even if XtDispatchEvent doesn't do that. */ | |
444 | if (event.type == ButtonRelease | |
445 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
446 | { |
447 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 448 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
449 | Btn1Down seems the only way to convince Motif to |
450 | activate its callbacks; setting the XmNmenuPost | |
451 | isn't working. --marcus@sysc.pdx.edu. */ | |
452 | event.xbutton.button = 1; | |
453 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
454 | key is pressed and the button is released. So reset key state | |
455 | so Motif thinks this is the case. */ | |
456 | event.xbutton.state = 0; | |
c8b5aa3d | 457 | #endif |
10624005 | 458 | } |
33385c6f | 459 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 460 | else if (event.type == KeyPress |
10624005 | 461 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
462 | { |
463 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 464 | |
33385c6f JD |
465 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
466 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 467 | popup_activated_flag = 0; |
8b806a85 | 468 | } |
177c0ea7 | 469 | |
8b806a85 | 470 | x_dispatch_event (&event, event.xany.display); |
aa669def | 471 | } |
78589e07 RS |
472 | } |
473 | ||
12b6af5c | 474 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
475 | doc: /* Start key navigation of the menu bar in FRAME. |
476 | This initially opens the first menu bar item and you can then navigate with the | |
477 | arrow keys, select a menu entry with the return key or cancel with the | |
478 | escape key. If FRAME has no menu bar this function does nothing. | |
479 | ||
480 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 481 | (Lisp_Object frame) |
22badffe JD |
482 | { |
483 | XEvent ev; | |
a10c8269 | 484 | struct frame *f = decode_window_system_frame (frame); |
22badffe | 485 | Widget menubar; |
4d7e6e51 | 486 | block_input (); |
22badffe JD |
487 | |
488 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
489 | set_frame_menubar (f, 0, 1); | |
490 | ||
491 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
492 | if (menubar) | |
493 | { | |
494 | Window child; | |
d7e6881a | 495 | bool error_p = 0; |
22badffe JD |
496 | |
497 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
498 | memset (&ev, 0, sizeof ev); | |
499 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
500 | ev.xbutton.window = XtWindow (menubar); | |
aad3612f | 501 | ev.xbutton.root = FRAME_DISPLAY_INFO (f)->root_window; |
22badffe JD |
502 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); |
503 | ev.xbutton.button = Button1; | |
504 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
505 | ev.xbutton.same_screen = True; | |
506 | ||
507 | #ifdef USE_MOTIF | |
508 | { | |
509 | Arg al[2]; | |
510 | WidgetList list; | |
511 | Cardinal nr; | |
512 | XtSetArg (al[0], XtNchildren, &list); | |
513 | XtSetArg (al[1], XtNnumChildren, &nr); | |
514 | XtGetValues (menubar, al, 2); | |
515 | ev.xbutton.window = XtWindow (list[0]); | |
516 | } | |
517 | #endif | |
518 | ||
519 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
520 | /* From-window, to-window. */ | |
521 | ev.xbutton.window, ev.xbutton.root, | |
522 | ||
523 | /* From-position, to-position. */ | |
524 | ev.xbutton.x, ev.xbutton.y, | |
525 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
526 | ||
527 | /* Child of win. */ | |
528 | &child); | |
529 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
530 | x_uncatch_errors (); | |
531 | ||
532 | if (! error_p) | |
533 | { | |
534 | ev.type = ButtonPress; | |
535 | ev.xbutton.state = 0; | |
536 | ||
537 | XtDispatchEvent (&ev); | |
538 | ev.xbutton.type = ButtonRelease; | |
539 | ev.xbutton.state = Button1Mask; | |
540 | XtDispatchEvent (&ev); | |
541 | } | |
542 | } | |
543 | ||
4d7e6e51 | 544 | unblock_input (); |
57d671b4 AS |
545 | |
546 | return Qnil; | |
22badffe | 547 | } |
488dd4c4 JD |
548 | #endif /* USE_X_TOOLKIT */ |
549 | ||
22badffe | 550 | |
488dd4c4 | 551 | #ifdef USE_GTK |
12b6af5c | 552 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
553 | doc: /* Start key navigation of the menu bar in FRAME. |
554 | This initially opens the first menu bar item and you can then navigate with the | |
555 | arrow keys, select a menu entry with the return key or cancel with the | |
556 | escape key. If FRAME has no menu bar this function does nothing. | |
557 | ||
558 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 559 | (Lisp_Object frame) |
22badffe JD |
560 | { |
561 | GtkWidget *menubar; | |
a10c8269 | 562 | struct frame *f; |
718aeeb8 | 563 | |
4d7e6e51 | 564 | block_input (); |
7452b7bd | 565 | f = decode_window_system_frame (frame); |
22badffe JD |
566 | |
567 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
568 | set_frame_menubar (f, 0, 1); | |
569 | ||
570 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
571 | if (menubar) | |
572 | { | |
573 | /* Activate the first menu. */ | |
574 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
575 | ||
32d46135 JD |
576 | if (children) |
577 | { | |
578 | g_signal_emit_by_name (children->data, "activate_item"); | |
579 | popup_activated_flag = 1; | |
580 | g_list_free (children); | |
581 | } | |
22badffe | 582 | } |
4d7e6e51 | 583 | unblock_input (); |
22badffe JD |
584 | |
585 | return Qnil; | |
586 | } | |
587 | ||
488dd4c4 JD |
588 | /* Loop util popup_activated_flag is set to zero in a callback. |
589 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 590 | |
488dd4c4 | 591 | static void |
971de7fb | 592 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
593 | { |
594 | ++popup_activated_flag; | |
595 | ||
596 | /* Process events in the Gtk event loop until done. */ | |
597 | while (popup_activated_flag) | |
598 | { | |
c3438661 | 599 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
600 | gtk_main_iteration (); |
601 | } | |
602 | } | |
603 | #endif | |
604 | ||
88766961 RS |
605 | /* Activate the menu bar of frame F. |
606 | This is called from keyboard.c when it gets the | |
3b8f9651 | 607 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
608 | |
609 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 610 | that was saved in saved_menu_event. |
88766961 RS |
611 | That makes the toolkit do its thing. |
612 | ||
613 | But first we recompute the menu bar contents (the whole tree). | |
614 | ||
615 | The reason for saving the button event until here, instead of | |
616 | passing it to the toolkit right away, is that we can safely | |
617 | execute Lisp code. */ | |
177c0ea7 | 618 | |
dfcf069d | 619 | void |
a10c8269 | 620 | x_activate_menubar (struct frame *f) |
88766961 | 621 | { |
65b02bb9 | 622 | eassert (FRAME_X_P (f)); |
62af879c | 623 | |
ac78b144 | 624 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
625 | return; |
626 | ||
177c0ea7 | 627 | #ifdef USE_GTK |
6b61353c KH |
628 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
629 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
630 | return; |
631 | #endif | |
177c0ea7 | 632 | |
a9be6839 | 633 | set_frame_menubar (f, 0, 1); |
4d7e6e51 | 634 | block_input (); |
cf28cebc | 635 | popup_activated_flag = 1; |
488dd4c4 JD |
636 | #ifdef USE_GTK |
637 | XPutBackEvent (f->output_data.x->display_info->display, | |
638 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 639 | #else |
86fad4ec | 640 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 641 | #endif |
4d7e6e51 | 642 | unblock_input (); |
177c0ea7 | 643 | |
88766961 | 644 | /* Ignore this if we get it a second time. */ |
ac78b144 | 645 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
646 | } |
647 | ||
4dedbfe0 PR |
648 | /* This callback is invoked when the user selects a menubar cascade |
649 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 650 | |
488dd4c4 | 651 | #ifndef USE_GTK |
78589e07 | 652 | static void |
ebd15611 | 653 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 654 | { |
4dedbfe0 | 655 | popup_activated_flag = 1; |
98a20c65 CY |
656 | #ifdef USE_X_TOOLKIT |
657 | x_activate_timeout_atimer (); | |
658 | #endif | |
7555d825 | 659 | } |
488dd4c4 | 660 | #endif |
7555d825 GM |
661 | |
662 | /* This callback is invoked when a dialog or menu is finished being | |
663 | used and has been unposted. */ | |
664 | ||
488dd4c4 | 665 | static void |
5db81e33 SM |
666 | popup_deactivate_callback ( |
667 | #ifdef USE_GTK | |
668 | GtkWidget *widget, gpointer client_data | |
488dd4c4 | 669 | #else |
5db81e33 SM |
670 | Widget widget, LWLIB_ID id, XtPointer client_data |
671 | #endif | |
672 | ) | |
7555d825 | 673 | { |
7555d825 | 674 | popup_activated_flag = 0; |
78589e07 RS |
675 | } |
676 | ||
850df50b | 677 | |
488dd4c4 JD |
678 | /* Function that finds the frame for WIDGET and shows the HELP text |
679 | for that widget. | |
680 | F is the frame if known, or NULL if not known. */ | |
681 | static void | |
a10c8269 | 682 | show_help_event (struct frame *f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 683 | { |
488dd4c4 | 684 | Lisp_Object frame; |
850df50b | 685 | |
850df50b | 686 | if (f) |
9cd50434 GM |
687 | { |
688 | XSETFRAME (frame, f); | |
689 | kbd_buffer_store_help_event (frame, help); | |
690 | } | |
850df50b GM |
691 | else |
692 | { | |
6b61353c | 693 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 694 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 695 | widget. See which frame that is. */ |
488dd4c4 | 696 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
697 | Lisp_Object tail; |
698 | ||
8e50cc2d | 699 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
700 | { |
701 | frame = XCAR (tail); | |
8e50cc2d | 702 | if (FRAMEP (frame) |
850df50b GM |
703 | && (f = XFRAME (frame), |
704 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
705 | break; | |
706 | } | |
6b61353c | 707 | #endif |
f868cd8a | 708 | show_help_echo (help, Qnil, Qnil, Qnil); |
9cd50434 | 709 | } |
850df50b GM |
710 | } |
711 | ||
488dd4c4 JD |
712 | /* Callback called when menu items are highlighted/unhighlighted |
713 | while moving the mouse over them. WIDGET is the menu bar or menu | |
714 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
715 | the data structure for the menu item, or null in case of | |
716 | unhighlighting. */ | |
4dedbfe0 | 717 | |
488dd4c4 | 718 | #ifdef USE_GTK |
032f1620 | 719 | static void |
971de7fb | 720 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
721 | { |
722 | xg_menu_item_cb_data *cb_data; | |
723 | Lisp_Object help; | |
177c0ea7 | 724 | |
7d652d97 | 725 | cb_data = g_object_get_data (G_OBJECT (widget), XG_ITEM_DATA); |
488dd4c4 JD |
726 | if (! cb_data) return; |
727 | ||
728 | help = call_data ? cb_data->help : Qnil; | |
729 | ||
730 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
a560d974 JD |
731 | Don't pass the frame to show_help_event for those. |
732 | Passing frame creates an Emacs event. As we are looping in | |
8d5ed899 | 733 | popup_widget_loop, it won't be handled. Passing NULL shows the tip |
a560d974 JD |
734 | directly without using an Emacs event. This is what the Lucid code |
735 | does below. */ | |
736 | show_help_event (popup_activated_flag <= 1 ? cb_data->cl_data->f : NULL, | |
737 | widget, help); | |
488dd4c4 JD |
738 | } |
739 | #else | |
032f1620 | 740 | static void |
ebd15611 | 741 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 | 742 | { |
7d652d97 PE |
743 | widget_value *wv = call_data; |
744 | Lisp_Object help = wv ? wv->help : Qnil; | |
177c0ea7 | 745 | |
488dd4c4 | 746 | /* Determine the frame for the help event. */ |
7d652d97 | 747 | struct frame *f = menubar_id_to_frame (id); |
488dd4c4 JD |
748 | |
749 | show_help_event (f, widget, help); | |
750 | } | |
751 | #endif | |
752 | ||
488dd4c4 JD |
753 | #ifdef USE_GTK |
754 | /* Gtk calls callbacks just because we tell it what item should be | |
755 | selected in a radio group. If this variable is set to a non-zero | |
756 | value, we are creating menus and don't want callbacks right now. | |
757 | */ | |
758 | static int xg_crazy_callback_abort; | |
759 | ||
760 | /* This callback is called from the menu bar pulldown menu | |
761 | when the user makes a selection. | |
762 | Figure out what the user chose | |
763 | and put the appropriate events into the keyboard buffer. */ | |
764 | static void | |
971de7fb | 765 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 766 | { |
7d652d97 | 767 | xg_menu_item_cb_data *cb_data = client_data; |
488dd4c4 JD |
768 | |
769 | if (xg_crazy_callback_abort) | |
770 | return; | |
771 | ||
772 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
773 | return; | |
774 | ||
b79c8219 JD |
775 | /* For a group of radio buttons, GTK calls the selection callback first |
776 | for the item that was active before the selection and then for the one that | |
777 | is active after the selection. For C-h k this means we get the help on | |
778 | the deselected item and then the selected item is executed. Prevent that | |
779 | by ignoring the non-active item. */ | |
780 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
781 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
782 | return; | |
783 | ||
81f09877 JD |
784 | /* When a menu is popped down, X generates a focus event (i.e. focus |
785 | goes back to the frame below the menu). Since GTK buffers events, | |
786 | we force it out here before the menu selection event. Otherwise | |
787 | sit-for will exit at once if the focus event follows the menu selection | |
788 | event. */ | |
789 | ||
4d7e6e51 | 790 | block_input (); |
81f09877 JD |
791 | while (gtk_events_pending ()) |
792 | gtk_main_iteration (); | |
4d7e6e51 | 793 | unblock_input (); |
81f09877 | 794 | |
488dd4c4 JD |
795 | find_and_call_menu_selection (cb_data->cl_data->f, |
796 | cb_data->cl_data->menu_bar_items_used, | |
797 | cb_data->cl_data->menu_bar_vector, | |
798 | cb_data->call_data); | |
799 | } | |
800 | ||
801 | #else /* not USE_GTK */ | |
802 | ||
803 | /* This callback is called from the menu bar pulldown menu | |
804 | when the user makes a selection. | |
805 | Figure out what the user chose | |
806 | and put the appropriate events into the keyboard buffer. */ | |
807 | static void | |
ebd15611 | 808 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 | 809 | { |
a10c8269 | 810 | struct frame *f; |
488dd4c4 JD |
811 | |
812 | f = menubar_id_to_frame (id); | |
813 | if (!f) | |
814 | return; | |
815 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
e69b0960 | 816 | f->menu_bar_vector, client_data); |
488dd4c4 JD |
817 | } |
818 | #endif /* not USE_GTK */ | |
f61a541b GM |
819 | \f |
820 | /* Recompute all the widgets of frame F, when the menu bar has been | |
18e27ea8 | 821 | changed. */ |
f61a541b | 822 | |
18e27ea8 | 823 | static void |
a10c8269 | 824 | update_frame_menubar (struct frame *f) |
18686d47 | 825 | { |
488dd4c4 | 826 | #ifdef USE_GTK |
18e27ea8 | 827 | xg_update_frame_menubar (f); |
488dd4c4 | 828 | #else |
62af879c | 829 | struct x_output *x; |
cffa74ea | 830 | int columns, rows; |
177c0ea7 | 831 | |
65b02bb9 | 832 | eassert (FRAME_X_P (f)); |
62af879c KL |
833 | |
834 | x = f->output_data.x; | |
835 | ||
f61a541b | 836 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
18e27ea8 | 837 | return; |
18686d47 | 838 | |
4d7e6e51 | 839 | block_input (); |
f61a541b GM |
840 | /* Save the size of the frame because the pane widget doesn't accept |
841 | to resize itself. So force it. */ | |
9882535b KS |
842 | columns = FRAME_COLS (f); |
843 | rows = FRAME_LINES (f); | |
cffa74ea | 844 | |
f61a541b GM |
845 | /* Do the voodoo which means "I'm changing lots of things, don't try |
846 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 847 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 848 | |
f61a541b GM |
849 | /* The order in which children are managed is the top to bottom |
850 | order in which they are displayed in the paned window. First, | |
851 | remove the text-area widget. */ | |
18686d47 RS |
852 | XtUnmanageChild (x->edit_widget); |
853 | ||
f61a541b GM |
854 | /* Remove the menubar that is there now, and put up the menubar that |
855 | should be there. */ | |
856 | XtManageChild (x->menubar_widget); | |
857 | XtMapWidget (x->menubar_widget); | |
858 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 859 | |
c98fcf4b | 860 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 861 | XtManageChild (x->edit_widget); |
4dedbfe0 | 862 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
863 | |
864 | /* Force the pane widget to resize itself with the right values. */ | |
865 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
4d7e6e51 | 866 | unblock_input (); |
488dd4c4 | 867 | #endif |
18686d47 RS |
868 | } |
869 | ||
99852628 | 870 | #ifdef USE_LUCID |
1ecb2d3f | 871 | static void |
ebd15611 | 872 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
873 | { |
874 | const char *fn = xsettings_get_system_normal_font (); | |
51b59d79 | 875 | if (fn) |
1ecb2d3f JD |
876 | { |
877 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
878 | if (db) | |
3928f2b6 | 879 | XrmPutStringResource (&db, "*dialog.font", fn); |
1ecb2d3f JD |
880 | } |
881 | } | |
882 | ||
99852628 | 883 | static void |
3928f2b6 | 884 | apply_systemfont_to_menu (struct frame *f, Widget w) |
99852628 JD |
885 | { |
886 | const char *fn = xsettings_get_system_normal_font (); | |
99852628 | 887 | |
3928f2b6 | 888 | if (fn) |
99852628 | 889 | { |
3928f2b6 JD |
890 | XrmDatabase db = XtDatabase (XtDisplay (w)); |
891 | if (db) | |
892 | { | |
893 | XrmPutStringResource (&db, "*menubar*font", fn); | |
894 | XrmPutStringResource (&db, "*popup*font", fn); | |
895 | } | |
99852628 | 896 | } |
99852628 | 897 | } |
3928f2b6 | 898 | |
99852628 JD |
899 | #endif |
900 | ||
4bcdbab1 KH |
901 | /* Set the contents of the menubar widgets of frame F. |
902 | The argument FIRST_TIME is currently ignored; | |
903 | it is set the first time this is called, from initialize_frame_menubar. */ | |
904 | ||
18686d47 | 905 | void |
a10c8269 | 906 | set_frame_menubar (struct frame *f, bool first_time, bool deep_p) |
18686d47 | 907 | { |
62af879c | 908 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
909 | #ifdef USE_X_TOOLKIT |
910 | LWLIB_ID id; | |
911 | #endif | |
faa935b6 | 912 | Lisp_Object items; |
4d19cb8e | 913 | widget_value *wv, *first_wv, *prev_wv = 0; |
3e26f69c | 914 | int i; |
ced89c24 | 915 | int *submenu_start, *submenu_end; |
7cded46f PE |
916 | bool *submenu_top_level_items; |
917 | int *submenu_n_panes; | |
cc45fb40 | 918 | |
65b02bb9 | 919 | eassert (FRAME_X_P (f)); |
62af879c KL |
920 | |
921 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 922 | |
bfc524bc RS |
923 | XSETFRAME (Vmenu_updating_frame, f); |
924 | ||
488dd4c4 | 925 | #ifdef USE_X_TOOLKIT |
7556890b RS |
926 | if (f->output_data.x->id == 0) |
927 | f->output_data.x->id = next_menubar_widget_id++; | |
928 | id = f->output_data.x->id; | |
488dd4c4 | 929 | #endif |
177c0ea7 | 930 | |
88766961 RS |
931 | if (! menubar_widget) |
932 | deep_p = 1; | |
a9be6839 RS |
933 | /* Make the first call for any given frame always go deep. */ |
934 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
935 | { |
936 | deep_p = 1; | |
23f86fce | 937 | f->output_data.x->saved_menu_event = xmalloc (sizeof (XEvent)); |
a9be6839 | 938 | f->output_data.x->saved_menu_event->type = 0; |
745c34fb | 939 | } |
18686d47 | 940 | |
6b61353c KH |
941 | #ifdef USE_GTK |
942 | /* If we have detached menus, we must update deep so detached menus | |
943 | also gets updated. */ | |
944 | deep_p = deep_p || xg_have_tear_offs (); | |
945 | #endif | |
946 | ||
88766961 | 947 | if (deep_p) |
18686d47 | 948 | { |
88766961 RS |
949 | /* Make a widget-value tree representing the entire menu trees. */ |
950 | ||
951 | struct buffer *prev = current_buffer; | |
952 | Lisp_Object buffer; | |
d311d28c | 953 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
954 | int previous_menu_items_used = f->menu_bar_items_used; |
955 | Lisp_Object *previous_items | |
38182d90 | 956 | = alloca (previous_menu_items_used * sizeof *previous_items); |
3e26f69c | 957 | int subitems; |
88766961 | 958 | |
0b1cf399 RS |
959 | /* If we are making a new widget, its contents are empty, |
960 | do always reinitialize them. */ | |
961 | if (! menubar_widget) | |
962 | previous_menu_items_used = 0; | |
963 | ||
e74aeda8 | 964 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->contents; |
88766961 RS |
965 | specbind (Qinhibit_quit, Qt); |
966 | /* Don't let the debugger step into this code | |
967 | because it is not reentrant. */ | |
968 | specbind (Qdebug_on_next_call, Qnil); | |
969 | ||
89f2614d | 970 | record_unwind_save_match_data (); |
88766961 RS |
971 | if (NILP (Voverriding_local_map_menu_flag)) |
972 | { | |
973 | specbind (Qoverriding_terminal_local_map, Qnil); | |
974 | specbind (Qoverriding_local_map, Qnil); | |
975 | } | |
18686d47 | 976 | |
88766961 | 977 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 978 | |
88766961 | 979 | /* Run the Lucid hook. */ |
950eaee7 | 980 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 981 | |
88766961 RS |
982 | /* If it has changed current-menubar from previous value, |
983 | really recompute the menubar from the value. */ | |
984 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
985 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 986 | safe_run_hooks (Qmenu_bar_update_hook); |
f00af5b1 | 987 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
18686d47 | 988 | |
88766961 | 989 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 990 | |
88766961 | 991 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 992 | if (previous_menu_items_used) |
e69b0960 | 993 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
663e2b3f | 994 | previous_menu_items_used * word_size); |
8d8a3494 | 995 | |
ced89c24 RS |
996 | /* Fill in menu_items with the current menu bar contents. |
997 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
998 | save_menu_items (); |
999 | ||
e69b0960 | 1000 | menu_items = f->menu_bar_vector; |
86c04183 | 1001 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
77b37c05 | 1002 | subitems = ASIZE (items) / 4; |
38182d90 PE |
1003 | submenu_start = alloca ((subitems + 1) * sizeof *submenu_start); |
1004 | submenu_end = alloca (subitems * sizeof *submenu_end); | |
1005 | submenu_n_panes = alloca (subitems * sizeof *submenu_n_panes); | |
1006 | submenu_top_level_items = alloca (subitems | |
1007 | * sizeof *submenu_top_level_items); | |
88766961 | 1008 | init_menu_items (); |
e3019616 | 1009 | for (i = 0; i < subitems; i++) |
88766961 RS |
1010 | { |
1011 | Lisp_Object key, string, maps; | |
1012 | ||
28be1ada DA |
1013 | key = AREF (items, 4 * i); |
1014 | string = AREF (items, 4 * i + 1); | |
1015 | maps = AREF (items, 4 * i + 2); | |
88766961 RS |
1016 | if (NILP (string)) |
1017 | break; | |
1018 | ||
ced89c24 RS |
1019 | submenu_start[i] = menu_items_used; |
1020 | ||
1021 | menu_items_n_panes = 0; | |
1022 | submenu_top_level_items[i] | |
1023 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1024 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1025 | |
1026 | submenu_end[i] = menu_items_used; | |
1027 | } | |
1028 | ||
3e26f69c | 1029 | submenu_start[i] = -1; |
ced89c24 RS |
1030 | finish_menu_items (); |
1031 | ||
1032 | /* Convert menu_items into widget_value trees | |
1033 | to display the menu. This cannot evaluate Lisp code. */ | |
1034 | ||
1035 | wv = xmalloc_widget_value (); | |
1036 | wv->name = "menubar"; | |
1037 | wv->value = 0; | |
1038 | wv->enabled = 1; | |
1039 | wv->button_type = BUTTON_TYPE_NONE; | |
1040 | wv->help = Qnil; | |
1041 | first_wv = wv; | |
1042 | ||
908589fd | 1043 | for (i = 0; submenu_start[i] >= 0; i++) |
ced89c24 | 1044 | { |
37dc84ff | 1045 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1046 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1047 | submenu_top_level_items[i]); | |
177c0ea7 | 1048 | if (prev_wv) |
88766961 RS |
1049 | prev_wv->next = wv; |
1050 | else | |
1051 | first_wv->contents = wv; | |
1052 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1053 | wv->enabled = 1; | |
3427a3db | 1054 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1055 | prev_wv = wv; |
1056 | } | |
1057 | ||
88766961 | 1058 | set_buffer_internal_1 (prev); |
8d8a3494 | 1059 | |
88766961 RS |
1060 | /* If there has been no change in the Lisp-level contents |
1061 | of the menu bar, skip redisplaying it. Just exit. */ | |
1062 | ||
510d5bf6 | 1063 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1064 | for (i = 0; i < previous_menu_items_used; i++) |
1065 | if (menu_items_used == i | |
28be1ada | 1066 | || (!EQ (previous_items[i], AREF (menu_items, i)))) |
88766961 | 1067 | break; |
62555c22 | 1068 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1069 | { |
510d5bf6 RS |
1070 | /* The menu items have not changed. Don't bother updating |
1071 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1072 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1073 | discard_menu_items (); |
1fc4d463 | 1074 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1075 | return; |
1076 | } | |
1077 | ||
510d5bf6 | 1078 | /* The menu items are different, so store them in the frame. */ |
f00af5b1 | 1079 | fset_menu_bar_vector (f, menu_items); |
1fc4d463 RS |
1080 | f->menu_bar_items_used = menu_items_used; |
1081 | ||
bf732638 | 1082 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1083 | unbind_to (specpdl_count, Qnil); |
1084 | ||
88766961 RS |
1085 | /* Now GC cannot happen during the lifetime of the widget_value, |
1086 | so it's safe to store data from a Lisp_String. */ | |
1087 | wv = first_wv->contents; | |
77b37c05 | 1088 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1089 | { |
1090 | Lisp_Object string; | |
28be1ada | 1091 | string = AREF (items, i + 1); |
88766961 | 1092 | if (NILP (string)) |
2bf436c3 | 1093 | break; |
51b59d79 | 1094 | wv->name = SSDATA (string); |
2bf436c3 JD |
1095 | update_submenu_strings (wv->contents); |
1096 | wv = wv->next; | |
88766961 RS |
1097 | } |
1098 | ||
4d19cb8e | 1099 | } |
88766961 RS |
1100 | else |
1101 | { | |
1102 | /* Make a widget-value tree containing | |
1103 | just the top level menu bar strings. */ | |
4d19cb8e | 1104 | |
ced89c24 RS |
1105 | wv = xmalloc_widget_value (); |
1106 | wv->name = "menubar"; | |
1107 | wv->value = 0; | |
1108 | wv->enabled = 1; | |
1109 | wv->button_type = BUTTON_TYPE_NONE; | |
1110 | wv->help = Qnil; | |
1111 | first_wv = wv; | |
1112 | ||
88766961 | 1113 | items = FRAME_MENU_BAR_ITEMS (f); |
77b37c05 | 1114 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1115 | { |
1116 | Lisp_Object string; | |
1117 | ||
28be1ada | 1118 | string = AREF (items, i + 1); |
88766961 RS |
1119 | if (NILP (string)) |
1120 | break; | |
1121 | ||
f7fab165 | 1122 | wv = xmalloc_widget_value (); |
51b59d79 | 1123 | wv->name = SSDATA (string); |
88766961 RS |
1124 | wv->value = 0; |
1125 | wv->enabled = 1; | |
3427a3db | 1126 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1127 | wv->help = Qnil; |
fe8fa62f RS |
1128 | /* This prevents lwlib from assuming this |
1129 | menu item is really supposed to be empty. */ | |
d01a7826 | 1130 | /* The intptr_t cast avoids a warning. |
fe8fa62f | 1131 | This value just has to be different from small integers. */ |
d01a7826 | 1132 | wv->call_data = (void *) (intptr_t) (-1); |
88766961 | 1133 | |
177c0ea7 | 1134 | if (prev_wv) |
88766961 RS |
1135 | prev_wv->next = wv; |
1136 | else | |
1137 | first_wv->contents = wv; | |
1138 | prev_wv = wv; | |
1139 | } | |
62555c22 RS |
1140 | |
1141 | /* Forget what we thought we knew about what is in the | |
1142 | detailed contents of the menu bar menus. | |
1143 | Changing the top level always destroys the contents. */ | |
1144 | f->menu_bar_items_used = 0; | |
88766961 | 1145 | } |
4dedbfe0 | 1146 | |
88766961 | 1147 | /* Create or update the menu bar widget. */ |
aa669def | 1148 | |
4d7e6e51 | 1149 | block_input (); |
aa669def | 1150 | |
488dd4c4 JD |
1151 | #ifdef USE_GTK |
1152 | xg_crazy_callback_abort = 1; | |
1153 | if (menubar_widget) | |
1154 | { | |
6b61353c | 1155 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1156 | menu trees we supply, rather than just the menu bar item names. */ |
1157 | xg_modify_menubar_widgets (menubar_widget, | |
1158 | f, | |
1159 | first_wv, | |
1160 | deep_p, | |
1161 | G_CALLBACK (menubar_selection_callback), | |
1162 | G_CALLBACK (popup_deactivate_callback), | |
1163 | G_CALLBACK (menu_highlight_callback)); | |
1164 | } | |
1165 | else | |
1166 | { | |
488dd4c4 | 1167 | menubar_widget |
177c0ea7 | 1168 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1169 | G_CALLBACK (menubar_selection_callback), |
1170 | G_CALLBACK (popup_deactivate_callback), | |
1171 | G_CALLBACK (menu_highlight_callback)); | |
1172 | ||
1173 | f->output_data.x->menubar_widget = menubar_widget; | |
1174 | } | |
1175 | ||
177c0ea7 | 1176 | |
488dd4c4 | 1177 | #else /* not USE_GTK */ |
18686d47 | 1178 | if (menubar_widget) |
4dedbfe0 PR |
1179 | { |
1180 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1181 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1182 | |
1183 | /* The third arg is DEEP_P, which says to consider the entire | |
1184 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1185 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1186 | |
c98fcf4b | 1187 | /* Re-enable the edit widget to resize. */ |
7556890b | 1188 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1189 | } |
18686d47 RS |
1190 | else |
1191 | { | |
9f6fcdc5 JD |
1192 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1193 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1194 | ||
3928f2b6 JD |
1195 | #ifdef USE_LUCID |
1196 | apply_systemfont_to_menu (f, f->output_data.x->column_widget); | |
1197 | #endif | |
1198 | menubar_widget = lw_create_widget ("menubar", "menubar", id, | |
1199 | first_wv, | |
7556890b | 1200 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1201 | 0, |
1202 | popup_activate_callback, | |
1203 | menubar_selection_callback, | |
850df50b GM |
1204 | popup_deactivate_callback, |
1205 | menu_highlight_callback); | |
7556890b | 1206 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1207 | |
1208 | /* Make menu pop down on C-g. */ | |
1209 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1210 | } |
1d1c1567 KH |
1211 | |
1212 | { | |
cf28cebc | 1213 | int menubar_size; |
723f5a07 J |
1214 | if (f->output_data.x->menubar_widget) |
1215 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1216 | ||
cf28cebc | 1217 | menubar_size |
7556890b RS |
1218 | = (f->output_data.x->menubar_widget |
1219 | ? (f->output_data.x->menubar_widget->core.height | |
1220 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1221 | : 0); |
1222 | ||
5c646d5a JD |
1223 | #if 1 /* Experimentally, we now get the right results |
1224 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1225 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1226 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1227 | #ifdef USE_LUCID |
1d1c1567 KH |
1228 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1229 | { | |
1230 | Dimension ibw = 0; | |
7556890b | 1231 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1232 | XtNinternalBorderWidth, &ibw, NULL); |
1233 | menubar_size += ibw; | |
1234 | } | |
5ee80bd3 | 1235 | #endif /* USE_LUCID */ |
5c646d5a | 1236 | #endif /* 1 */ |
1d1c1567 | 1237 | |
7556890b | 1238 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1239 | } |
488dd4c4 | 1240 | #endif /* not USE_GTK */ |
177c0ea7 | 1241 | |
18686d47 | 1242 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1243 | update_frame_menubar (f); |
18686d47 | 1244 | |
488dd4c4 JD |
1245 | #ifdef USE_GTK |
1246 | xg_crazy_callback_abort = 0; | |
1247 | #endif | |
1248 | ||
4d7e6e51 | 1249 | unblock_input (); |
18686d47 | 1250 | } |
85f487d1 | 1251 | |
8e6208c5 | 1252 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1253 | before it is mapped, so that the window is mapped with the menubar already |
1254 | there instead of us tacking it on later and thrashing the window after it | |
1255 | is visible. */ | |
1256 | ||
1257 | void | |
a10c8269 | 1258 | initialize_frame_menubar (struct frame *f) |
4dedbfe0 PR |
1259 | { |
1260 | /* This function is called before the first chance to redisplay | |
1261 | the frame. It has to be, so the frame will have the right size. */ | |
f00af5b1 | 1262 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
88766961 | 1263 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1264 | } |
1265 | ||
aba25348 | 1266 | |
4dedbfe0 | 1267 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1268 | This is used when deleting a frame, and when turning off the menu bar. |
1269 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1270 | |
488dd4c4 | 1271 | #ifndef USE_GTK |
85f487d1 | 1272 | void |
a10c8269 | 1273 | free_frame_menubar (struct frame *f) |
85f487d1 FP |
1274 | { |
1275 | Widget menubar_widget; | |
85f487d1 | 1276 | |
65b02bb9 | 1277 | eassert (FRAME_X_P (f)); |
62af879c | 1278 | |
7556890b | 1279 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1280 | |
1281 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1282 | |
85f487d1 FP |
1283 | if (menubar_widget) |
1284 | { | |
aba25348 GM |
1285 | #ifdef USE_MOTIF |
1286 | /* Removing the menu bar magically changes the shell widget's x | |
1287 | and y position of (0, 0) which, when the menu bar is turned | |
53964682 | 1288 | on again, leads to pull-down menus appearing in strange |
aba25348 GM |
1289 | positions near the upper-left corner of the display. This |
1290 | happens only with some window managers like twm and ctwm, | |
1291 | but not with other like Motif's mwm or kwm, because the | |
1292 | latter generate ConfigureNotify events when the menu bar | |
1293 | is switched off, which fixes the shell position. */ | |
1294 | Position x0, y0, x1, y1; | |
1295 | #endif | |
177c0ea7 | 1296 | |
4d7e6e51 | 1297 | block_input (); |
aba25348 GM |
1298 | |
1299 | #ifdef USE_MOTIF | |
ae556422 GM |
1300 | if (f->output_data.x->widget) |
1301 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1302 | #endif |
177c0ea7 | 1303 | |
7556890b | 1304 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1305 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1306 | |
ae556422 GM |
1307 | if (f->output_data.x->widget) |
1308 | { | |
23243f29 | 1309 | #ifdef USE_MOTIF |
ae556422 GM |
1310 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1311 | if (x1 == 0 && y1 == 0) | |
1312 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1313 | #endif |
23243f29 J |
1314 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
1315 | } | |
4d7e6e51 | 1316 | unblock_input (); |
85f487d1 FP |
1317 | } |
1318 | } | |
488dd4c4 | 1319 | #endif /* not USE_GTK */ |
78589e07 | 1320 | |
488dd4c4 | 1321 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1322 | \f |
1323 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1324 | and returns the value selected from it. | |
1325 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1326 | Both assume input is blocked by the caller. */ | |
1327 | ||
1328 | /* F is the frame the menu is for. | |
1329 | X and Y are the frame-relative specified position, | |
1330 | relative to the inside upper left corner of the frame F. | |
7cded46f PE |
1331 | FOR_CLICK is true if this menu was invoked for a mouse click. |
1332 | KEYMAPS is true if this menu was specified with keymaps; | |
78589e07 RS |
1333 | in that case, we return a list containing the chosen item's value |
1334 | and perhaps also the pane's prefix. | |
1335 | TITLE is the specified menu title. | |
1336 | ERROR is a place to store an error message string in case of failure. | |
1337 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1338 | |
488dd4c4 JD |
1339 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1340 | ||
1341 | /* The item selected in the popup menu. */ | |
1342 | static Lisp_Object *volatile menu_item_selection; | |
1343 | ||
1344 | #ifdef USE_GTK | |
1345 | ||
1346 | /* Used when position a popup menu. See menu_position_func and | |
1347 | create_and_show_popup_menu below. */ | |
1348 | struct next_popup_x_y | |
1349 | { | |
a10c8269 | 1350 | struct frame *f; |
488dd4c4 JD |
1351 | int x; |
1352 | int y; | |
1353 | }; | |
1354 | ||
1355 | /* The menu position function to use if we are not putting a popup | |
1356 | menu where the pointer is. | |
1357 | MENU is the menu to pop up. | |
1358 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1359 | PUSH_IN is not documented in the GTK manual. | |
1360 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1361 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1362 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1363 | |
1364 | Here only X and Y are used. */ | |
1365 | static void | |
971de7fb | 1366 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1367 | { |
7d652d97 | 1368 | struct next_popup_x_y *data = user_data; |
7b76ca1c | 1369 | GtkRequisition req; |
aad3612f | 1370 | struct x_display_info *dpyinfo = FRAME_DISPLAY_INFO (data->f); |
fd2f80c6 CY |
1371 | int disp_width = x_display_pixel_width (dpyinfo); |
1372 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1373 | |
7b76ca1c JD |
1374 | *x = data->x; |
1375 | *y = data->y; | |
1376 | ||
1377 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1378 | the menu is fully visible. */ | |
0afb4571 | 1379 | gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &req); |
7b76ca1c JD |
1380 | if (data->x + req.width > disp_width) |
1381 | *x -= data->x + req.width - disp_width; | |
1382 | if (data->y + req.height > disp_height) | |
1383 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1384 | } |
1385 | ||
1386 | static void | |
971de7fb | 1387 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 1388 | { |
7d652d97 | 1389 | xg_menu_item_cb_data *cb_data = client_data; |
488dd4c4 JD |
1390 | |
1391 | if (xg_crazy_callback_abort) return; | |
7d652d97 | 1392 | if (cb_data) menu_item_selection = cb_data->call_data; |
488dd4c4 JD |
1393 | } |
1394 | ||
27e498e6 PE |
1395 | static void |
1396 | pop_down_menu (void *arg) | |
af89e871 JD |
1397 | { |
1398 | popup_activated_flag = 0; | |
4d7e6e51 | 1399 | block_input (); |
27e498e6 | 1400 | gtk_widget_destroy (GTK_WIDGET (arg)); |
4d7e6e51 | 1401 | unblock_input (); |
af89e871 JD |
1402 | } |
1403 | ||
488dd4c4 JD |
1404 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1405 | menu pops down. | |
1406 | menu_item_selection will be set to the selection. */ | |
1407 | static void | |
a10c8269 | 1408 | create_and_show_popup_menu (struct frame *f, widget_value *first_wv, int x, int y, |
7cded46f | 1409 | bool for_click, Time timestamp) |
488dd4c4 JD |
1410 | { |
1411 | int i; | |
1412 | GtkWidget *menu; | |
1413 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1414 | struct next_popup_x_y popup_x_y; | |
d311d28c | 1415 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
7cded46f | 1416 | bool use_pos_func = ! for_click; |
93d5ca1f JD |
1417 | |
1418 | #ifdef HAVE_GTK3 | |
1419 | /* Always use position function for Gtk3. Otherwise menus may become | |
1420 | too small to show anything. */ | |
1421 | use_pos_func = 1; | |
1422 | #endif | |
488dd4c4 | 1423 | |
65b02bb9 | 1424 | eassert (FRAME_X_P (f)); |
62af879c | 1425 | |
488dd4c4 JD |
1426 | xg_crazy_callback_abort = 1; |
1427 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1428 | G_CALLBACK (popup_selection_callback), | |
1429 | G_CALLBACK (popup_deactivate_callback), | |
1430 | G_CALLBACK (menu_highlight_callback)); | |
1431 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1432 | |
93d5ca1f | 1433 | if (use_pos_func) |
488dd4c4 JD |
1434 | { |
1435 | /* Not invoked by a click. pop up at x/y. */ | |
1436 | pos_func = menu_position_func; | |
1437 | ||
1438 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1439 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1440 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1441 | |
1442 | popup_x_y.x = x; | |
1443 | popup_x_y.y = y; | |
7b76ca1c | 1444 | popup_x_y.f = f; |
488dd4c4 | 1445 | |
9b85e63d JD |
1446 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1447 | } | |
93d5ca1f JD |
1448 | |
1449 | if (for_click) | |
9b85e63d JD |
1450 | { |
1451 | for (i = 0; i < 5; i++) | |
aad3612f | 1452 | if (FRAME_DISPLAY_INFO (f)->grabbed & (1 << i)) |
9b85e63d JD |
1453 | break; |
1454 | } | |
59cfb104 | 1455 | |
488dd4c4 JD |
1456 | /* Display the menu. */ |
1457 | gtk_widget_show_all (menu); | |
c0df13a6 | 1458 | |
a20903d0 | 1459 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
08dc5ae6 | 1460 | timestamp ? timestamp : gtk_get_current_event_time ()); |
177c0ea7 | 1461 | |
27e498e6 | 1462 | record_unwind_protect_ptr (pop_down_menu, menu); |
af89e871 | 1463 | |
e547b051 | 1464 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1465 | { |
1466 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1467 | two. show_help_echo uses this to detect popup menus. */ | |
1468 | popup_activated_flag = 1; | |
1469 | /* Process events that apply to the menu. */ | |
1470 | popup_widget_loop (1, menu); | |
1471 | } | |
488dd4c4 | 1472 | |
af89e871 | 1473 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1474 | |
488dd4c4 JD |
1475 | /* Must reset this manually because the button release event is not passed |
1476 | to Emacs event loop. */ | |
aad3612f | 1477 | FRAME_DISPLAY_INFO (f)->grabbed = 0; |
488dd4c4 JD |
1478 | } |
1479 | ||
1480 | #else /* not USE_GTK */ | |
18686d47 | 1481 | |
8ed87156 | 1482 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1483 | library. |
1484 | ||
1485 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1486 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1487 | |
88766961 RS |
1488 | For menu bars, we use numbers starting at 0, counted in |
1489 | next_menubar_widget_id. */ | |
8ed87156 | 1490 | LWLIB_ID widget_id_tick; |
165e1749 | 1491 | |
4dedbfe0 | 1492 | static void |
ebd15611 | 1493 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1494 | { |
7d652d97 | 1495 | menu_item_selection = client_data; |
4dedbfe0 PR |
1496 | } |
1497 | ||
af89e871 JD |
1498 | /* ARG is the LWLIB ID of the dialog box, represented |
1499 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1500 | ||
27e498e6 | 1501 | static void |
ebd15611 | 1502 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1503 | { |
1504 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1505 | | XINT (XCDR (arg))); | |
1506 | ||
4d7e6e51 | 1507 | block_input (); |
af89e871 | 1508 | lw_destroy_all_widgets (id); |
4d7e6e51 | 1509 | unblock_input (); |
af89e871 | 1510 | popup_activated_flag = 0; |
af89e871 JD |
1511 | } |
1512 | ||
488dd4c4 JD |
1513 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1514 | menu pops down. | |
1515 | menu_item_selection will be set to the selection. */ | |
1516 | static void | |
a10c8269 | 1517 | create_and_show_popup_menu (struct frame *f, widget_value *first_wv, |
7cded46f | 1518 | int x, int y, bool for_click, Time timestamp) |
488dd4c4 JD |
1519 | { |
1520 | int i; | |
1521 | Arg av[2]; | |
1522 | int ac = 0; | |
65969f63 CY |
1523 | XEvent dummy; |
1524 | XButtonPressedEvent *event = &(dummy.xbutton); | |
488dd4c4 JD |
1525 | LWLIB_ID menu_id; |
1526 | Widget menu; | |
488dd4c4 | 1527 | |
65b02bb9 | 1528 | eassert (FRAME_X_P (f)); |
62af879c | 1529 | |
3928f2b6 JD |
1530 | #ifdef USE_LUCID |
1531 | apply_systemfont_to_menu (f, f->output_data.x->widget); | |
1532 | #endif | |
1533 | ||
488dd4c4 JD |
1534 | menu_id = widget_id_tick++; |
1535 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1536 | f->output_data.x->widget, 1, 0, | |
1537 | popup_selection_callback, | |
1538 | popup_deactivate_callback, | |
1539 | menu_highlight_callback); | |
1540 | ||
65969f63 CY |
1541 | event->type = ButtonPress; |
1542 | event->serial = 0; | |
1543 | event->send_event = 0; | |
1544 | event->display = FRAME_X_DISPLAY (f); | |
1545 | event->time = CurrentTime; | |
aad3612f | 1546 | event->root = FRAME_DISPLAY_INFO (f)->root_window; |
65969f63 CY |
1547 | event->window = event->subwindow = event->root; |
1548 | event->x = x; | |
1549 | event->y = y; | |
488dd4c4 JD |
1550 | |
1551 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1552 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1553 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 | 1554 | |
65969f63 CY |
1555 | event->x_root = x; |
1556 | event->y_root = y; | |
488dd4c4 | 1557 | |
65969f63 CY |
1558 | event->state = 0; |
1559 | event->button = 0; | |
488dd4c4 | 1560 | for (i = 0; i < 5; i++) |
aad3612f | 1561 | if (FRAME_DISPLAY_INFO (f)->grabbed & (1 << i)) |
65969f63 | 1562 | event->button = i; |
488dd4c4 JD |
1563 | |
1564 | /* Don't allow any geometry request from the user. */ | |
1565 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1566 | XtSetValues (menu, av, ac); | |
1567 | ||
1568 | /* Display the menu. */ | |
65969f63 | 1569 | lw_popup_menu (menu, &dummy); |
488dd4c4 | 1570 | popup_activated_flag = 1; |
98a20c65 | 1571 | x_activate_timeout_atimer (); |
59cfb104 | 1572 | |
af89e871 JD |
1573 | { |
1574 | int fact = 4 * sizeof (LWLIB_ID); | |
d311d28c | 1575 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
af89e871 JD |
1576 | record_unwind_protect (pop_down_menu, |
1577 | Fcons (make_number (menu_id >> (fact)), | |
1578 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1579 | |
af89e871 | 1580 | /* Process events that apply to the menu. */ |
aad3612f | 1581 | popup_get_selection (0, FRAME_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1582 | |
af89e871 JD |
1583 | unbind_to (specpdl_count, Qnil); |
1584 | } | |
488dd4c4 JD |
1585 | } |
1586 | ||
1587 | #endif /* not USE_GTK */ | |
1588 | ||
27e498e6 PE |
1589 | static void |
1590 | cleanup_widget_value_tree (void *arg) | |
ba24cea2 | 1591 | { |
27e498e6 | 1592 | free_menubar_widget_value_tree (arg); |
ba24cea2 YM |
1593 | } |
1594 | ||
ef7417fd | 1595 | Lisp_Object |
a10c8269 | 1596 | xmenu_show (struct frame *f, int x, int y, bool for_click, bool keymaps, |
08dc5ae6 | 1597 | Lisp_Object title, const char **error_name, Time timestamp) |
18686d47 | 1598 | { |
78589e07 | 1599 | int i; |
78589e07 | 1600 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 | 1601 | widget_value **submenu_stack |
38182d90 | 1602 | = alloca (menu_items_used * sizeof *submenu_stack); |
101bb4a5 | 1603 | Lisp_Object *subprefix_stack |
38182d90 | 1604 | = alloca (menu_items_used * sizeof *subprefix_stack); |
101bb4a5 | 1605 | int submenu_depth = 0; |
4e8d3549 | 1606 | |
78c8278d RS |
1607 | int first_pane; |
1608 | ||
9898bd0e | 1609 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 1610 | |
65b02bb9 | 1611 | eassert (FRAME_X_P (f)); |
62af879c | 1612 | |
d4323972 | 1613 | *error_name = NULL; |
78589e07 | 1614 | |
742f715d KH |
1615 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1616 | { | |
d4323972 | 1617 | *error_name = "Empty menu"; |
742f715d KH |
1618 | return Qnil; |
1619 | } | |
63c414df | 1620 | |
78589e07 RS |
1621 | /* Create a tree of widget_value objects |
1622 | representing the panes and their items. */ | |
f7fab165 | 1623 | wv = xmalloc_widget_value (); |
78589e07 RS |
1624 | wv->name = "menu"; |
1625 | wv->value = 0; | |
1626 | wv->enabled = 1; | |
3427a3db | 1627 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1628 | wv->help =Qnil; |
78589e07 | 1629 | first_wv = wv; |
78c8278d | 1630 | first_pane = 1; |
177c0ea7 | 1631 | |
78589e07 RS |
1632 | /* Loop over all panes and items, filling in the tree. */ |
1633 | i = 0; | |
1634 | while (i < menu_items_used) | |
1635 | { | |
28be1ada | 1636 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1637 | { |
1638 | submenu_stack[submenu_depth++] = save_wv; | |
1639 | save_wv = prev_wv; | |
1640 | prev_wv = 0; | |
78c8278d | 1641 | first_pane = 1; |
101bb4a5 RS |
1642 | i++; |
1643 | } | |
28be1ada | 1644 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1645 | { |
1646 | prev_wv = save_wv; | |
1647 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1648 | first_pane = 0; |
101bb4a5 RS |
1649 | i++; |
1650 | } | |
28be1ada | 1651 | else if (EQ (AREF (menu_items, i), Qt) |
101bb4a5 RS |
1652 | && submenu_depth != 0) |
1653 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1654 | /* Ignore a nil in the item list. |
1655 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1656 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 1657 | i += 1; |
28be1ada | 1658 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1659 | { |
1660 | /* Create a new pane. */ | |
1661 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 1662 | const char *pane_string; |
177c0ea7 | 1663 | |
4c329aa8 GM |
1664 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1665 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1666 | |
703dc2a8 | 1667 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1668 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1669 | { | |
8af9fa55 | 1670 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1671 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1672 | } |
703dc2a8 | 1673 | #endif |
78589e07 | 1674 | pane_string = (NILP (pane_name) |
51b59d79 | 1675 | ? "" : SSDATA (pane_name)); |
101bb4a5 | 1676 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1677 | under the top-level menu. */ |
1678 | if (menu_items_n_panes == 1) | |
1679 | pane_string = ""; | |
1680 | ||
1681 | /* If the pane has a meaningful name, | |
1682 | make the pane a top-level menu item | |
1683 | with its items as a submenu beneath it. */ | |
78c8278d | 1684 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1685 | { |
f7fab165 | 1686 | wv = xmalloc_widget_value (); |
78589e07 RS |
1687 | if (save_wv) |
1688 | save_wv->next = wv; | |
1689 | else | |
1690 | first_wv->contents = wv; | |
b00876c9 | 1691 | wv->name = (char *) pane_string; |
78589e07 RS |
1692 | if (keymaps && !NILP (prefix)) |
1693 | wv->name++; | |
1694 | wv->value = 0; | |
1695 | wv->enabled = 1; | |
3427a3db | 1696 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1697 | wv->help = Qnil; |
78c8278d RS |
1698 | save_wv = wv; |
1699 | prev_wv = 0; | |
78589e07 | 1700 | } |
78c8278d RS |
1701 | else if (first_pane) |
1702 | { | |
1703 | save_wv = wv; | |
1704 | prev_wv = 0; | |
1705 | } | |
1706 | first_pane = 0; | |
78589e07 RS |
1707 | i += MENU_ITEMS_PANE_LENGTH; |
1708 | } | |
1709 | else | |
1710 | { | |
1711 | /* Create a new item within current pane. */ | |
9cd50434 | 1712 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1713 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1714 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1715 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1716 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1717 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1718 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1719 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1720 | |
703dc2a8 | 1721 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1722 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1723 | { |
646f98ec | 1724 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1725 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1726 | } |
177c0ea7 | 1727 | |
3427a3db | 1728 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1729 | { |
646f98ec | 1730 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1731 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1732 | } |
1733 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1734 | |
f7fab165 | 1735 | wv = xmalloc_widget_value (); |
177c0ea7 | 1736 | if (prev_wv) |
78589e07 | 1737 | prev_wv->next = wv; |
177c0ea7 | 1738 | else |
78589e07 | 1739 | save_wv->contents = wv; |
51b59d79 | 1740 | wv->name = SSDATA (item_name); |
78589e07 | 1741 | if (!NILP (descrip)) |
51b59d79 | 1742 | wv->key = SSDATA (descrip); |
78589e07 | 1743 | wv->value = 0; |
a352a815 RS |
1744 | /* If this item has a null value, |
1745 | make the call_data null so that it won't display a box | |
1746 | when the mouse is on it. */ | |
4939150c | 1747 | wv->call_data = !NILP (def) ? aref_addr (menu_items, i) : 0; |
78589e07 | 1748 | wv->enabled = !NILP (enable); |
3427a3db GM |
1749 | |
1750 | if (NILP (type)) | |
1751 | wv->button_type = BUTTON_TYPE_NONE; | |
1752 | else if (EQ (type, QCtoggle)) | |
1753 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1754 | else if (EQ (type, QCradio)) | |
1755 | wv->button_type = BUTTON_TYPE_RADIO; | |
1756 | else | |
1088b922 | 1757 | emacs_abort (); |
3427a3db GM |
1758 | |
1759 | wv->selected = !NILP (selected); | |
cc45fb40 | 1760 | |
0b1f4572 RS |
1761 | if (! STRINGP (help)) |
1762 | help = Qnil; | |
1763 | ||
1764 | wv->help = help; | |
cc45fb40 | 1765 | |
78589e07 RS |
1766 | prev_wv = wv; |
1767 | ||
1768 | i += MENU_ITEMS_ITEM_LENGTH; | |
1769 | } | |
1770 | } | |
1771 | ||
c98fcf4b | 1772 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1773 | if (!NILP (title)) |
1774 | { | |
f7fab165 RS |
1775 | widget_value *wv_title = xmalloc_widget_value (); |
1776 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1777 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1778 | |
1779 | wv_sep2->name = "--"; | |
1780 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1781 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1782 | |
1783 | wv_sep1->name = "--"; | |
1784 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1785 | wv_sep1->help = Qnil; |
4dedbfe0 | 1786 | |
703dc2a8 KH |
1787 | #ifndef HAVE_MULTILINGUAL_MENU |
1788 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1789 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1790 | #endif |
177c0ea7 | 1791 | |
51b59d79 | 1792 | wv_title->name = SSDATA (title); |
cc45fb40 | 1793 | wv_title->enabled = TRUE; |
3427a3db | 1794 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1795 | wv_title->help = Qnil; |
a9d8395f | 1796 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1797 | first_wv->contents = wv_title; |
1798 | } | |
1799 | ||
78589e07 RS |
1800 | /* No selection has been chosen yet. */ |
1801 | menu_item_selection = 0; | |
1802 | ||
ba24cea2 YM |
1803 | /* Make sure to free the widget_value objects we used to specify the |
1804 | contents even with longjmp. */ | |
27e498e6 | 1805 | record_unwind_protect_ptr (cleanup_widget_value_tree, first_wv); |
ba24cea2 | 1806 | |
488dd4c4 | 1807 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1808 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1809 | |
ba24cea2 | 1810 | unbind_to (specpdl_count, Qnil); |
18686d47 | 1811 | |
78589e07 RS |
1812 | /* Find the selected item, and its pane, to return |
1813 | the proper value. */ | |
1814 | if (menu_item_selection != 0) | |
1815 | { | |
c63f6952 | 1816 | Lisp_Object prefix, entry; |
78589e07 | 1817 | |
6bbd7a29 | 1818 | prefix = entry = Qnil; |
78589e07 RS |
1819 | i = 0; |
1820 | while (i < menu_items_used) | |
1821 | { | |
28be1ada | 1822 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1823 | { |
1824 | subprefix_stack[submenu_depth++] = prefix; | |
1825 | prefix = entry; | |
1826 | i++; | |
1827 | } | |
28be1ada | 1828 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1829 | { |
1830 | prefix = subprefix_stack[--submenu_depth]; | |
1831 | i++; | |
1832 | } | |
28be1ada | 1833 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1834 | { |
1835 | prefix | |
28be1ada | 1836 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
1837 | i += MENU_ITEMS_PANE_LENGTH; |
1838 | } | |
d31d42cc RS |
1839 | /* Ignore a nil in the item list. |
1840 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1841 | else if (EQ (AREF (menu_items, i), Qquote)) |
d31d42cc | 1842 | i += 1; |
78589e07 RS |
1843 | else |
1844 | { | |
1845 | entry | |
28be1ada | 1846 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 1847 | if (menu_item_selection == aref_addr (menu_items, i)) |
78589e07 | 1848 | { |
7cded46f | 1849 | if (keymaps) |
78589e07 | 1850 | { |
101bb4a5 RS |
1851 | int j; |
1852 | ||
6c6f1994 | 1853 | entry = list1 (entry); |
78589e07 RS |
1854 | if (!NILP (prefix)) |
1855 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1856 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1857 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1858 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1859 | } |
1860 | return entry; | |
1861 | } | |
1862 | i += MENU_ITEMS_ITEM_LENGTH; | |
1863 | } | |
1864 | } | |
1865 | } | |
be6ed24a RS |
1866 | else if (!for_click) |
1867 | /* Make "Cancel" equivalent to C-g. */ | |
1868 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1869 | |
1870 | return Qnil; | |
18686d47 | 1871 | } |
4dedbfe0 | 1872 | \f |
488dd4c4 JD |
1873 | #ifdef USE_GTK |
1874 | static void | |
971de7fb | 1875 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 1876 | { |
8ac068ac | 1877 | /* Treat the pointer as an integer. There's no problem |
488dd4c4 | 1878 | as long as pointers have enough bits to hold small integers. */ |
d01a7826 | 1879 | if ((intptr_t) client_data != -1) |
7d652d97 | 1880 | menu_item_selection = client_data; |
488dd4c4 JD |
1881 | |
1882 | popup_activated_flag = 0; | |
1883 | } | |
1884 | ||
1885 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1886 | dialog pops down. | |
1887 | menu_item_selection will be set to the selection. */ | |
1888 | static void | |
a10c8269 | 1889 | create_and_show_dialog (struct frame *f, widget_value *first_wv) |
488dd4c4 JD |
1890 | { |
1891 | GtkWidget *menu; | |
1892 | ||
65b02bb9 | 1893 | eassert (FRAME_X_P (f)); |
62af879c | 1894 | |
488dd4c4 JD |
1895 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1896 | G_CALLBACK (dialog_selection_callback), | |
1897 | G_CALLBACK (popup_deactivate_callback), | |
1898 | 0); | |
1899 | ||
1900 | if (menu) | |
1901 | { | |
d311d28c | 1902 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
27e498e6 | 1903 | record_unwind_protect_ptr (pop_down_menu, menu); |
af89e871 | 1904 | |
488dd4c4 JD |
1905 | /* Display the menu. */ |
1906 | gtk_widget_show_all (menu); | |
1907 | ||
1908 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1909 | popup_widget_loop (1, menu); |
177c0ea7 | 1910 | |
af89e871 | 1911 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1912 | } |
1913 | } | |
1914 | ||
1915 | #else /* not USE_GTK */ | |
4dedbfe0 | 1916 | static void |
ebd15611 | 1917 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1918 | { |
4475bec4 | 1919 | /* Treat the pointer as an integer. There's no problem |
01d5e892 | 1920 | as long as pointers have enough bits to hold small integers. */ |
4475bec4 | 1921 | if ((intptr_t) client_data != -1) |
7d652d97 | 1922 | menu_item_selection = client_data; |
488dd4c4 | 1923 | |
4d7e6e51 | 1924 | block_input (); |
4dedbfe0 | 1925 | lw_destroy_all_widgets (id); |
4d7e6e51 | 1926 | unblock_input (); |
9572375b | 1927 | popup_activated_flag = 0; |
4dedbfe0 | 1928 | } |
18686d47 | 1929 | |
488dd4c4 | 1930 | |
488dd4c4 JD |
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 | |
a10c8269 | 1935 | create_and_show_dialog (struct frame *f, widget_value *first_wv) |
488dd4c4 JD |
1936 | { |
1937 | LWLIB_ID dialog_id; | |
1938 | ||
65b02bb9 | 1939 | eassert (FRAME_X_P (f)); |
62af879c | 1940 | |
488dd4c4 | 1941 | dialog_id = widget_id_tick++; |
52214050 | 1942 | #ifdef USE_LUCID |
1ecb2d3f JD |
1943 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1944 | #endif | |
488dd4c4 JD |
1945 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1946 | f->output_data.x->widget, 1, 0, | |
1947 | dialog_selection_callback, 0, 0); | |
1948 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1949 | /* Display the dialog box. */ |
1950 | lw_pop_up_all_widgets (dialog_id); | |
1951 | popup_activated_flag = 1; | |
98a20c65 | 1952 | x_activate_timeout_atimer (); |
488dd4c4 JD |
1953 | |
1954 | /* Process events that apply to the dialog box. | |
1955 | Also handle timers. */ | |
1956 | { | |
d311d28c | 1957 | ptrdiff_t count = SPECPDL_INDEX (); |
488dd4c4 | 1958 | int fact = 4 * sizeof (LWLIB_ID); |
177c0ea7 | 1959 | |
488dd4c4 | 1960 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 1961 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
1962 | Fcons (make_number (dialog_id >> (fact)), |
1963 | make_number (dialog_id & ~(-1 << (fact))))); | |
1964 | ||
aad3612f | 1965 | popup_get_selection (0, FRAME_DISPLAY_INFO (f), dialog_id, 1); |
488dd4c4 JD |
1966 | |
1967 | unbind_to (count, Qnil); | |
1968 | } | |
1969 | } | |
1970 | ||
1971 | #endif /* not USE_GTK */ | |
1972 | ||
42ca4633 | 1973 | static const char * button_names [] = { |
165e1749 FP |
1974 | "button1", "button2", "button3", "button4", "button5", |
1975 | "button6", "button7", "button8", "button9", "button10" }; | |
1976 | ||
1977 | static Lisp_Object | |
a10c8269 | 1978 | xdialog_show (struct frame *f, |
7cded46f | 1979 | bool keymaps, |
42ca4633 J |
1980 | Lisp_Object title, |
1981 | Lisp_Object header, | |
1982 | const char **error_name) | |
165e1749 FP |
1983 | { |
1984 | int i, nb_buttons=0; | |
80670155 | 1985 | char dialog_name[6]; |
165e1749 | 1986 | |
faa935b6 | 1987 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 1988 | |
fcaa7665 RS |
1989 | /* Number of elements seen so far, before boundary. */ |
1990 | int left_count = 0; | |
1991 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
1992 | int boundary_seen = 0; | |
1993 | ||
9898bd0e | 1994 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 1995 | |
65b02bb9 | 1996 | eassert (FRAME_X_P (f)); |
62af879c | 1997 | |
6a040d6a | 1998 | *error_name = NULL; |
165e1749 | 1999 | |
80670155 RS |
2000 | if (menu_items_n_panes > 1) |
2001 | { | |
6a040d6a | 2002 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2003 | return Qnil; |
2004 | } | |
2005 | ||
165e1749 FP |
2006 | /* Create a tree of widget_value objects |
2007 | representing the text label and buttons. */ | |
2008 | { | |
2009 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2010 | const char *pane_string; |
28be1ada DA |
2011 | pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME); |
2012 | prefix = AREF (menu_items, MENU_ITEMS_PANE_PREFIX); | |
165e1749 | 2013 | pane_string = (NILP (pane_name) |
51b59d79 | 2014 | ? "" : SSDATA (pane_name)); |
f7fab165 | 2015 | prev_wv = xmalloc_widget_value (); |
b00876c9 | 2016 | prev_wv->value = (char *) pane_string; |
165e1749 FP |
2017 | if (keymaps && !NILP (prefix)) |
2018 | prev_wv->name++; | |
2019 | prev_wv->enabled = 1; | |
2020 | prev_wv->name = "message"; | |
27ad7b52 | 2021 | prev_wv->help = Qnil; |
165e1749 | 2022 | first_wv = prev_wv; |
177c0ea7 | 2023 | |
165e1749 FP |
2024 | /* Loop over all panes and items, filling in the tree. */ |
2025 | i = MENU_ITEMS_PANE_LENGTH; | |
2026 | while (i < menu_items_used) | |
2027 | { | |
177c0ea7 | 2028 | |
165e1749 FP |
2029 | /* Create a new item within current pane. */ |
2030 | Lisp_Object item_name, enable, descrip; | |
28be1ada DA |
2031 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2032 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
165e1749 | 2033 | descrip |
28be1ada | 2034 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
177c0ea7 | 2035 | |
80670155 RS |
2036 | if (NILP (item_name)) |
2037 | { | |
2038 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2039 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2040 | return Qnil; |
2041 | } | |
fcaa7665 RS |
2042 | if (EQ (item_name, Qquote)) |
2043 | { | |
2044 | /* This is the boundary between left-side elts | |
2045 | and right-side elts. Stop incrementing right_count. */ | |
2046 | boundary_seen = 1; | |
2047 | i++; | |
2048 | continue; | |
2049 | } | |
86e71abf | 2050 | if (nb_buttons >= 9) |
80670155 RS |
2051 | { |
2052 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2053 | *error_name = "Too many dialog items"; |
80670155 RS |
2054 | return Qnil; |
2055 | } | |
2056 | ||
f7fab165 | 2057 | wv = xmalloc_widget_value (); |
165e1749 | 2058 | prev_wv->next = wv; |
80670155 | 2059 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2060 | if (!NILP (descrip)) |
51b59d79 PE |
2061 | wv->key = SSDATA (descrip); |
2062 | wv->value = SSDATA (item_name); | |
4939150c | 2063 | wv->call_data = aref_addr (menu_items, i); |
165e1749 | 2064 | wv->enabled = !NILP (enable); |
27ad7b52 | 2065 | wv->help = Qnil; |
165e1749 FP |
2066 | prev_wv = wv; |
2067 | ||
fcaa7665 RS |
2068 | if (! boundary_seen) |
2069 | left_count++; | |
2070 | ||
165e1749 FP |
2071 | nb_buttons++; |
2072 | i += MENU_ITEMS_ITEM_LENGTH; | |
2073 | } | |
2074 | ||
fcaa7665 RS |
2075 | /* If the boundary was not specified, |
2076 | by default put half on the left and half on the right. */ | |
2077 | if (! boundary_seen) | |
2078 | left_count = nb_buttons - nb_buttons / 2; | |
2079 | ||
f7fab165 | 2080 | wv = xmalloc_widget_value (); |
80670155 | 2081 | wv->name = dialog_name; |
27ad7b52 | 2082 | wv->help = Qnil; |
6a040d6a NR |
2083 | |
2084 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2085 | Can also have 'E' = Error if, one day, we want | |
2086 | a popup for errors. */ | |
5e617bc2 | 2087 | if (NILP (header)) |
6a040d6a NR |
2088 | dialog_name[0] = 'Q'; |
2089 | else | |
2090 | dialog_name[0] = 'I'; | |
2091 | ||
80670155 RS |
2092 | /* Dialog boxes use a really stupid name encoding |
2093 | which specifies how many buttons to use | |
6a040d6a | 2094 | and how many buttons are on the right. */ |
80670155 RS |
2095 | dialog_name[1] = '0' + nb_buttons; |
2096 | dialog_name[2] = 'B'; | |
2097 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2098 | /* Number of buttons to put on the right. */ |
2099 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2100 | dialog_name[5] = 0; |
165e1749 FP |
2101 | wv->contents = first_wv; |
2102 | first_wv = wv; | |
165e1749 FP |
2103 | } |
2104 | ||
165e1749 FP |
2105 | /* No selection has been chosen yet. */ |
2106 | menu_item_selection = 0; | |
2107 | ||
ba24cea2 YM |
2108 | /* Make sure to free the widget_value objects we used to specify the |
2109 | contents even with longjmp. */ | |
27e498e6 | 2110 | record_unwind_protect_ptr (cleanup_widget_value_tree, first_wv); |
ba24cea2 | 2111 | |
488dd4c4 JD |
2112 | /* Actually create and show the dialog. */ |
2113 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2114 | |
ba24cea2 | 2115 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 2116 | |
488dd4c4 JD |
2117 | /* Find the selected item, and its pane, to return |
2118 | the proper value. */ | |
165e1749 FP |
2119 | if (menu_item_selection != 0) |
2120 | { | |
2121 | Lisp_Object prefix; | |
2122 | ||
2123 | prefix = Qnil; | |
2124 | i = 0; | |
2125 | while (i < menu_items_used) | |
2126 | { | |
2127 | Lisp_Object entry; | |
2128 | ||
28be1ada | 2129 | if (EQ (AREF (menu_items, i), Qt)) |
165e1749 FP |
2130 | { |
2131 | prefix | |
28be1ada | 2132 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
165e1749 FP |
2133 | i += MENU_ITEMS_PANE_LENGTH; |
2134 | } | |
28be1ada | 2135 | else if (EQ (AREF (menu_items, i), Qquote)) |
85996cfb GM |
2136 | { |
2137 | /* This is the boundary between left-side elts and | |
2138 | right-side elts. */ | |
2139 | ++i; | |
2140 | } | |
165e1749 FP |
2141 | else |
2142 | { | |
2143 | entry | |
28be1ada | 2144 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 2145 | if (menu_item_selection == aref_addr (menu_items, i)) |
165e1749 FP |
2146 | { |
2147 | if (keymaps != 0) | |
2148 | { | |
6c6f1994 | 2149 | entry = list1 (entry); |
165e1749 FP |
2150 | if (!NILP (prefix)) |
2151 | entry = Fcons (prefix, entry); | |
2152 | } | |
2153 | return entry; | |
2154 | } | |
2155 | i += MENU_ITEMS_ITEM_LENGTH; | |
2156 | } | |
2157 | } | |
2158 | } | |
9f6fcdc5 JD |
2159 | else |
2160 | /* Make "Cancel" equivalent to C-g. */ | |
2161 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2162 | |
2163 | return Qnil; | |
2164 | } | |
ba461919 | 2165 | |
488dd4c4 | 2166 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2167 | |
3e703b25 GM |
2168 | /* The frame of the last activated non-toolkit menu bar. |
2169 | Used to generate menu help events. */ | |
2170 | ||
2171 | static struct frame *menu_help_frame; | |
2172 | ||
2173 | ||
62145073 GM |
2174 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2175 | ||
2176 | PANE is the pane number, and ITEM is the menu item number in | |
2177 | the menu (currently not used). | |
177c0ea7 | 2178 | |
62145073 GM |
2179 | This cannot be done with generating a HELP_EVENT because |
2180 | XMenuActivate contains a loop that doesn't let Emacs process | |
2181 | keyboard events. */ | |
3e703b25 GM |
2182 | |
2183 | static void | |
eb18f6cc | 2184 | menu_help_callback (char const *help_string, int pane, int item) |
3e703b25 | 2185 | { |
62145073 GM |
2186 | Lisp_Object *first_item; |
2187 | Lisp_Object pane_name; | |
2188 | Lisp_Object menu_object; | |
177c0ea7 | 2189 | |
62145073 GM |
2190 | first_item = XVECTOR (menu_items)->contents; |
2191 | if (EQ (first_item[0], Qt)) | |
2192 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2193 | else if (EQ (first_item[0], Qquote)) | |
2194 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2195 | pane_name = empty_unibyte_string; |
62145073 GM |
2196 | else |
2197 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2198 | |
62145073 | 2199 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
6c6f1994 | 2200 | menu_object = list3 (Qmenu_item, pane_name, make_number (pane)); |
ba461919 | 2201 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
f868cd8a | 2202 | Qnil, menu_object, make_number (item)); |
3e703b25 | 2203 | } |
177c0ea7 | 2204 | |
27e498e6 | 2205 | static void |
0521f580 | 2206 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2207 | { |
a10c8269 | 2208 | struct frame *f = XSAVE_POINTER (arg, 0); |
3346c1d0 | 2209 | XMenu *menu = XSAVE_POINTER (arg, 1); |
af89e871 | 2210 | |
4d7e6e51 | 2211 | block_input (); |
af89e871 | 2212 | #ifndef MSDOS |
a130b901 JD |
2213 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2214 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2215 | #endif |
a130b901 | 2216 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2217 | |
2218 | #ifdef HAVE_X_WINDOWS | |
2219 | /* Assume the mouse has moved out of the X window. | |
2220 | If it has actually moved in, we will get an EnterNotify. */ | |
aad3612f | 2221 | x_mouse_leave (FRAME_DISPLAY_INFO (f)); |
af89e871 JD |
2222 | |
2223 | /* State that no mouse buttons are now held. | |
2224 | (The oldXMenu code doesn't track this info for us.) | |
2225 | That is not necessarily true, but the fiction leads to reasonable | |
2226 | results, and it is a pain to ask which are actually held now. */ | |
aad3612f | 2227 | FRAME_DISPLAY_INFO (f)->grabbed = 0; |
af89e871 JD |
2228 | |
2229 | #endif /* HAVE_X_WINDOWS */ | |
2230 | ||
4d7e6e51 | 2231 | unblock_input (); |
af89e871 JD |
2232 | } |
2233 | ||
3e703b25 | 2234 | |
1fb99a3a | 2235 | Lisp_Object |
a10c8269 | 2236 | xmenu_show (struct frame *f, int x, int y, bool for_click, bool keymaps, |
08dc5ae6 | 2237 | Lisp_Object title, const char **error_name, Time timestamp) |
dcfdbac7 | 2238 | { |
177c0ea7 | 2239 | Window root; |
78589e07 RS |
2240 | XMenu *menu; |
2241 | int pane, selidx, lpane, status; | |
2242 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2243 | char *datap; |
2244 | int ulx, uly, width, height; | |
2245 | int dispwidth, dispheight; | |
453a4f1b | 2246 | int i, j, lines, maxlines; |
4e8d3549 | 2247 | int maxwidth; |
78589e07 RS |
2248 | int dummy_int; |
2249 | unsigned int dummy_uint; | |
d311d28c | 2250 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2251 | |
65b02bb9 | 2252 | eassert (FRAME_X_P (f) || FRAME_MSDOS_P (f)); |
62af879c | 2253 | |
bf501fb9 | 2254 | *error_name = 0; |
78589e07 RS |
2255 | if (menu_items_n_panes == 0) |
2256 | return Qnil; | |
088831f6 | 2257 | |
742f715d KH |
2258 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2259 | { | |
bf501fb9 | 2260 | *error_name = "Empty menu"; |
742f715d KH |
2261 | return Qnil; |
2262 | } | |
2263 | ||
78589e07 | 2264 | /* Figure out which root window F is on. */ |
92280f67 | 2265 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2266 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2267 | &dummy_uint, &dummy_uint); | |
18686d47 | 2268 | |
78589e07 | 2269 | /* Make the menu on that window. */ |
92280f67 | 2270 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2271 | if (menu == NULL) |
dcfdbac7 | 2272 | { |
bf501fb9 | 2273 | *error_name = "Can't create menu"; |
78589e07 | 2274 | return Qnil; |
dcfdbac7 | 2275 | } |
78589e07 | 2276 | |
d130d129 RS |
2277 | /* Don't GC while we prepare and show the menu, |
2278 | because we give the oldxmenu library pointers to the | |
2279 | contents of strings. */ | |
2280 | inhibit_garbage_collection (); | |
2281 | ||
87485d6f | 2282 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2283 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2284 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2285 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2286 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2287 | |
2288 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2289 | x += f->left_pos; |
2290 | y += f->top_pos; | |
177c0ea7 | 2291 | |
78589e07 | 2292 | /* Create all the necessary panes and their items. */ |
eef9bc79 PE |
2293 | maxwidth = maxlines = lines = i = 0; |
2294 | lpane = XM_FAILURE; | |
78589e07 | 2295 | while (i < menu_items_used) |
dcfdbac7 | 2296 | { |
28be1ada | 2297 | if (EQ (AREF (menu_items, i), Qt)) |
dcfdbac7 | 2298 | { |
78589e07 RS |
2299 | /* Create a new pane. */ |
2300 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2301 | const char *pane_string; |
78589e07 | 2302 | |
453a4f1b JD |
2303 | maxlines = max (maxlines, lines); |
2304 | lines = 0; | |
28be1ada DA |
2305 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
2306 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
78589e07 | 2307 | pane_string = (NILP (pane_name) |
51b59d79 | 2308 | ? "" : SSDATA (pane_name)); |
78589e07 RS |
2309 | if (keymaps && !NILP (prefix)) |
2310 | pane_string++; | |
2311 | ||
92280f67 | 2312 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2313 | if (lpane == XM_FAILURE) |
2314 | { | |
92280f67 | 2315 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2316 | *error_name = "Can't create pane"; |
78589e07 RS |
2317 | return Qnil; |
2318 | } | |
2319 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2320 | |
2321 | /* Find the width of the widest item in this pane. */ | |
4e8d3549 RS |
2322 | j = i; |
2323 | while (j < menu_items_used) | |
2324 | { | |
2325 | Lisp_Object item; | |
28be1ada | 2326 | item = AREF (menu_items, j); |
4e8d3549 RS |
2327 | if (EQ (item, Qt)) |
2328 | break; | |
2329 | if (NILP (item)) | |
2330 | { | |
2331 | j++; | |
2332 | continue; | |
2333 | } | |
d5db4077 | 2334 | width = SBYTES (item); |
4e8d3549 RS |
2335 | if (width > maxwidth) |
2336 | maxwidth = width; | |
2337 | ||
2338 | j += MENU_ITEMS_ITEM_LENGTH; | |
2339 | } | |
dcfdbac7 | 2340 | } |
fcaa7665 RS |
2341 | /* Ignore a nil in the item list. |
2342 | It's meaningful only for dialog boxes. */ | |
28be1ada | 2343 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 2344 | i += 1; |
78589e07 | 2345 | else |
dcfdbac7 | 2346 | { |
78589e07 | 2347 | /* Create a new item within current pane. */ |
3e703b25 | 2348 | Lisp_Object item_name, enable, descrip, help; |
eb18f6cc PE |
2349 | char *item_data; |
2350 | char const *help_string; | |
78589e07 | 2351 | |
28be1ada DA |
2352 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2353 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
78589e07 | 2354 | descrip |
28be1ada DA |
2355 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
2356 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
eb18f6cc | 2357 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
177c0ea7 | 2358 | |
78589e07 | 2359 | if (!NILP (descrip)) |
4e8d3549 | 2360 | { |
4e8d3549 RS |
2361 | /* if alloca is fast, use that to make the space, |
2362 | to reduce gc needs. */ | |
38182d90 | 2363 | item_data = alloca (maxwidth + SBYTES (descrip) + 1); |
eb18f6cc | 2364 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); |
d5db4077 | 2365 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2366 | item_data[j] = ' '; |
eb18f6cc | 2367 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2368 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2369 | } |
2370 | else | |
eb18f6cc | 2371 | item_data = SSDATA (item_name); |
78589e07 | 2372 | |
eef9bc79 PE |
2373 | if (lpane == XM_FAILURE |
2374 | || (XMenuAddSelection (FRAME_X_DISPLAY (f), | |
2375 | menu, lpane, 0, item_data, | |
2376 | !NILP (enable), help_string) | |
2377 | == XM_FAILURE)) | |
dcfdbac7 | 2378 | { |
92280f67 | 2379 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2380 | *error_name = "Can't add selection to menu"; |
78589e07 | 2381 | return Qnil; |
dcfdbac7 | 2382 | } |
78589e07 | 2383 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2384 | lines++; |
dcfdbac7 JB |
2385 | } |
2386 | } | |
4e8d3549 | 2387 | |
453a4f1b JD |
2388 | maxlines = max (maxlines, lines); |
2389 | ||
78589e07 | 2390 | /* All set and ready to fly. */ |
92280f67 | 2391 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2392 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2393 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2394 | x = min (x, dispwidth); |
2395 | y = min (y, dispheight); | |
2396 | x = max (x, 1); | |
2397 | y = max (y, 1); | |
92280f67 | 2398 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2399 | &ulx, &uly, &width, &height); |
2400 | if (ulx+width > dispwidth) | |
2401 | { | |
78589e07 | 2402 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2403 | ulx = dispwidth - width; |
2404 | } | |
2405 | if (uly+height > dispheight) | |
2406 | { | |
78589e07 | 2407 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2408 | uly = dispheight - height; |
2409 | } | |
2de7397f EZ |
2410 | #ifndef HAVE_X_WINDOWS |
2411 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2412 | { | |
2413 | /* Move the menu away of the echo area, to avoid overwriting the | |
2414 | menu with help echo messages or vice versa. */ | |
2415 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2416 | { | |
2417 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2418 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2419 | } | |
2420 | else | |
2421 | { | |
2422 | y--; | |
2423 | uly--; | |
2424 | } | |
2425 | } | |
2426 | #endif | |
78589e07 RS |
2427 | if (ulx < 0) x -= ulx; |
2428 | if (uly < 0) y -= uly; | |
121e4555 | 2429 | |
453a4f1b JD |
2430 | if (! for_click) |
2431 | { | |
2432 | /* If position was not given by a mouse click, adjust so upper left | |
2433 | corner of the menu as a whole ends up at given coordinates. This | |
2434 | is what x-popup-menu says in its documentation. */ | |
2435 | x += width/2; | |
2436 | y += 1.5*height/(maxlines+2); | |
2437 | } | |
2438 | ||
121e4555 | 2439 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2440 | XMenuSetFreeze (menu, TRUE); |
2441 | pane = selidx = 0; | |
3e703b25 | 2442 | |
c3438661 JD |
2443 | #ifndef MSDOS |
2444 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2445 | #endif | |
59cfb104 | 2446 | |
1396ac86 | 2447 | record_unwind_protect (pop_down_menu, make_save_ptr_ptr (f, menu)); |
c3438661 | 2448 | |
3e703b25 GM |
2449 | /* Help display under X won't work because XMenuActivate contains |
2450 | a loop that doesn't give Emacs a chance to process it. */ | |
2451 | menu_help_frame = f; | |
92280f67 | 2452 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2453 | x, y, ButtonReleaseMask, &datap, |
2454 | menu_help_callback); | |
eef9bc79 | 2455 | entry = pane_prefix = Qnil; |
a352a815 | 2456 | |
dcfdbac7 JB |
2457 | switch (status) |
2458 | { | |
2459 | case XM_SUCCESS: | |
2460 | #ifdef XDEBUG | |
2461 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2462 | #endif | |
fa6d54d9 | 2463 | |
78589e07 RS |
2464 | /* Find the item number SELIDX in pane number PANE. */ |
2465 | i = 0; | |
2466 | while (i < menu_items_used) | |
fa6d54d9 | 2467 | { |
28be1ada | 2468 | if (EQ (AREF (menu_items, i), Qt)) |
088831f6 | 2469 | { |
78589e07 RS |
2470 | if (pane == 0) |
2471 | pane_prefix | |
28be1ada | 2472 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
2473 | pane--; |
2474 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2475 | } |
78589e07 | 2476 | else |
ab6ee1a0 | 2477 | { |
78589e07 | 2478 | if (pane == -1) |
ab6ee1a0 | 2479 | { |
78589e07 | 2480 | if (selidx == 0) |
ab6ee1a0 | 2481 | { |
78589e07 | 2482 | entry |
28be1ada | 2483 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
7cded46f | 2484 | if (keymaps) |
ab6ee1a0 | 2485 | { |
6c6f1994 | 2486 | entry = list1 (entry); |
78589e07 RS |
2487 | if (!NILP (pane_prefix)) |
2488 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2489 | } |
78589e07 | 2490 | break; |
ab6ee1a0 | 2491 | } |
78589e07 | 2492 | selidx--; |
ab6ee1a0 | 2493 | } |
78589e07 | 2494 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2495 | } |
2496 | } | |
78589e07 | 2497 | break; |
dcfdbac7 | 2498 | |
78589e07 | 2499 | case XM_FAILURE: |
bf501fb9 | 2500 | *error_name = "Can't activate menu"; |
78589e07 | 2501 | case XM_IA_SELECT: |
9f6fcdc5 | 2502 | break; |
78589e07 | 2503 | case XM_NO_SELECT: |
be6ed24a RS |
2504 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2505 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2506 | if (! for_click) |
2507 | Fsignal (Qquit, Qnil); | |
78589e07 | 2508 | break; |
dcfdbac7 | 2509 | } |
a5285df3 | 2510 | |
af89e871 | 2511 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2512 | |
78589e07 | 2513 | return entry; |
dcfdbac7 | 2514 | } |
4dedbfe0 | 2515 | |
78589e07 | 2516 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2517 | |
2518 | #endif /* HAVE_MENUS */ | |
e3135734 | 2519 | |
d009ae66 EZ |
2520 | #ifndef MSDOS |
2521 | /* Detect if a dialog or menu has been posted. MSDOS has its own | |
2522 | implementation on msdos.c. */ | |
b79b8a1c | 2523 | |
077288cf | 2524 | int ATTRIBUTE_CONST |
971de7fb | 2525 | popup_activated (void) |
b79b8a1c CY |
2526 | { |
2527 | return popup_activated_flag; | |
2528 | } | |
d009ae66 | 2529 | #endif /* not MSDOS */ |
e3135734 CY |
2530 | |
2531 | /* The following is used by delayed window autoselection. */ | |
2532 | ||
2533 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2534 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2535 | (void) |
e3135734 CY |
2536 | { |
2537 | #ifdef HAVE_MENUS | |
2538 | return (popup_activated ()) ? Qt : Qnil; | |
2539 | #else | |
2540 | return Qnil; | |
2541 | #endif /* HAVE_MENUS */ | |
2542 | } | |
088831f6 | 2543 | \f |
dfcf069d | 2544 | void |
971de7fb | 2545 | syms_of_xmenu (void) |
dcfdbac7 | 2546 | { |
cd3520a4 | 2547 | DEFSYM (Qdebug_on_next_call, "debug-on-next-call"); |
0314aacb | 2548 | |
8ed87156 | 2549 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2550 | widget_id_tick = (1<<16); |
88766961 | 2551 | next_menubar_widget_id = 1; |
8ed87156 RS |
2552 | #endif |
2553 | ||
508fb067 | 2554 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2555 | |
2556 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2557 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2558 | Ffset (intern_c_string ("accelerate-menu"), |
2559 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2560 | #endif |
2561 | ||
1e659e4c | 2562 | #ifdef HAVE_MENUS |
165e1749 | 2563 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2564 | #endif |
dcfdbac7 | 2565 | } |