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) |
7cded46f | 114 | static Lisp_Object xdialog_show (FRAME_PTR, 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; | |
133 | FRAME_PTR 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 |
971de7fb | 157 | mouse_position_for_popup (FRAME_PTR f, int *x, int *y) |
a894238b JD |
158 | { |
159 | Window root, dummy_window; | |
160 | int dummy; | |
161 | ||
62af879c | 162 | if (! FRAME_X_P (f)) |
1088b922 | 163 | emacs_abort (); |
62af879c | 164 | |
4d7e6e51 | 165 | block_input (); |
177c0ea7 | 166 | |
a894238b JD |
167 | XQueryPointer (FRAME_X_DISPLAY (f), |
168 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
169 | ||
170 | /* The root window which contains the pointer. */ | |
171 | &root, | |
172 | ||
173 | /* Window pointer is on, not used */ | |
174 | &dummy_window, | |
175 | ||
176 | /* The position on that root window. */ | |
177 | x, y, | |
178 | ||
179 | /* x/y in dummy_window coordinates, not used. */ | |
180 | &dummy, &dummy, | |
181 | ||
182 | /* Modifier keys and pointer buttons, about which | |
183 | we don't care. */ | |
184 | (unsigned int *) &dummy); | |
185 | ||
4d7e6e51 | 186 | unblock_input (); |
a894238b JD |
187 | |
188 | /* xmenu_show expects window coordinates, not root window | |
189 | coordinates. Translate. */ | |
9882535b KS |
190 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
191 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
192 | } |
193 | ||
194 | #endif /* HAVE_X_WINDOWS */ | |
195 | ||
1e659e4c RS |
196 | #ifdef HAVE_MENUS |
197 | ||
a7ca3326 | 198 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 199 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
200 | POSITION specifies which frame to use. |
201 | This is normally a mouse button event or a window or frame. | |
202 | If POSITION is t, it means to use the frame the mouse is on. | |
203 | The dialog box appears in the middle of the specified frame. | |
204 | ||
205 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 206 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
207 | Each ITEM is a cons cell (STRING . VALUE). |
208 | The return value is VALUE from the chosen item. | |
209 | ||
210 | An ITEM may also be just a string--that makes a nonselectable item. | |
211 | An ITEM may also be nil--that means to put all preceding items | |
212 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
213 | \(By default, approximately half appear on each side.) |
214 | ||
6a040d6a NR |
215 | If HEADER is non-nil, the frame title for the box is "Information", |
216 | otherwise it is "Question". | |
217 | ||
c05fe5d5 LT |
218 | If the user gets rid of the dialog box without making a valid choice, |
219 | for instance using the window manager, then this produces a quit and | |
220 | `x-popup-dialog' does not return. */) | |
5842a27b | 221 | (Lisp_Object position, Lisp_Object contents, Lisp_Object header) |
165e1749 | 222 | { |
cc45fb40 | 223 | FRAME_PTR f = NULL; |
99fe880d | 224 | Lisp_Object window; |
165e1749 | 225 | |
99fe880d | 226 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 227 | if (EQ (position, Qt) |
2b06561a DL |
228 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
229 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 230 | { |
b14db4d7 | 231 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 232 | /* Use the mouse's current position. */ |
b404828f | 233 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 234 | Lisp_Object bar_window; |
cc45fb40 | 235 | enum scroll_bar_part part; |
08dc5ae6 | 236 | Time time; |
99fe880d | 237 | Lisp_Object x, y; |
165e1749 | 238 | |
46b657e2 | 239 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 240 | |
99fe880d | 241 | if (new_f != 0) |
a39f0477 | 242 | XSETFRAME (window, new_f); |
99fe880d RS |
243 | else |
244 | window = selected_window; | |
b14db4d7 | 245 | #endif |
88d4f6ec | 246 | window = selected_window; |
99fe880d RS |
247 | } |
248 | else if (CONSP (position)) | |
249 | { | |
7d7bbefd | 250 | Lisp_Object tem = XCAR (position); |
b5bb2705 | 251 | if (CONSP (tem)) |
34348bd4 | 252 | window = Fcar (XCDR (position)); |
80670155 RS |
253 | else |
254 | { | |
34348bd4 | 255 | tem = Fcar (XCDR (position)); /* EVENT_START (position) */ |
99fe880d | 256 | window = Fcar (tem); /* POSN_WINDOW (tem) */ |
165e1749 | 257 | } |
165e1749 | 258 | } |
99fe880d RS |
259 | else if (WINDOWP (position) || FRAMEP (position)) |
260 | window = position; | |
a9be6839 RS |
261 | else |
262 | window = Qnil; | |
165e1749 | 263 | |
99fe880d | 264 | /* Decode where to put the menu. */ |
165e1749 | 265 | |
b5bb2705 | 266 | if (FRAMEP (window)) |
99fe880d | 267 | f = XFRAME (window); |
b5bb2705 | 268 | else if (WINDOWP (window)) |
165e1749 | 269 | { |
b7826503 | 270 | CHECK_LIVE_WINDOW (window); |
99fe880d | 271 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 272 | } |
99fe880d RS |
273 | else |
274 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
275 | but I don't want to make one now. */ | |
b7826503 | 276 | CHECK_WINDOW (window); |
165e1749 | 277 | |
7452b7bd | 278 | check_window_system (f); |
62af879c | 279 | |
5da9fdfa YM |
280 | /* Force a redisplay before showing the dialog. If a frame is created |
281 | just before showing the dialog, its contents may not have been fully | |
282 | drawn, as this depends on timing of events from the X server. Redisplay | |
283 | is not done when a dialog is shown. If redisplay could be done in the | |
284 | X event loop (i.e. the X event loop does not run in a signal handler) | |
285 | this would not be needed. | |
286 | ||
287 | Do this before creating the widget value that points to Lisp | |
288 | string contents, because Fredisplay may GC and relocate them. */ | |
289 | Fredisplay (Qt); | |
290 | ||
488dd4c4 | 291 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
292 | /* Display a menu with these alternatives |
293 | in the middle of frame F. */ | |
294 | { | |
295 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
296 | XSETFRAME (frame, f); |
297 | XSETINT (x, x_pixel_width (f) / 2); | |
298 | XSETINT (y, x_pixel_height (f) / 2); | |
6c6f1994 | 299 | newpos = list2 (list2 (x, y), frame); |
99fe880d RS |
300 | |
301 | return Fx_popup_menu (newpos, | |
6c6f1994 | 302 | list2 (Fcar (contents), contents)); |
99fe880d RS |
303 | } |
304 | #else | |
305 | { | |
306 | Lisp_Object title; | |
42ca4633 | 307 | const char *error_name; |
99fe880d | 308 | Lisp_Object selection; |
d311d28c | 309 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
165e1749 | 310 | |
99fe880d RS |
311 | /* Decode the dialog items from what was specified. */ |
312 | title = Fcar (contents); | |
b7826503 | 313 | CHECK_STRING (title); |
27e498e6 | 314 | record_unwind_protect_void (unuse_menu_items); |
165e1749 | 315 | |
6b61353c KH |
316 | if (NILP (Fcar (Fcdr (contents)))) |
317 | /* No buttons specified, add an "Ok" button so users can pop down | |
318 | the dialog. Also, the lesstif/motif version crashes if there are | |
319 | no buttons. */ | |
6c6f1994 | 320 | contents = list2 (title, Fcons (build_string ("Ok"), Qt)); |
b9de078a | 321 | |
6c6f1994 | 322 | list_of_panes (list1 (contents)); |
165e1749 | 323 | |
99fe880d | 324 | /* Display them in a dialog box. */ |
4d7e6e51 | 325 | block_input (); |
6a040d6a | 326 | selection = xdialog_show (f, 0, title, header, &error_name); |
4d7e6e51 | 327 | unblock_input (); |
165e1749 | 328 | |
86fad4ec | 329 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
330 | discard_menu_items (); |
331 | ||
f390e2d5 | 332 | if (error_name) error ("%s", error_name); |
99fe880d RS |
333 | return selection; |
334 | } | |
7464b131 | 335 | #endif |
392d3f4b | 336 | } |
c3438661 JD |
337 | |
338 | ||
339 | #ifndef MSDOS | |
340 | ||
4475bec4 PE |
341 | #if defined USE_GTK || defined USE_MOTIF |
342 | ||
b3935289 JD |
343 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
344 | ||
345 | void | |
971de7fb | 346 | x_menu_set_in_use (int in_use) |
b3935289 JD |
347 | { |
348 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 349 | popup_activated_flag = in_use; |
73dba342 | 350 | #ifdef USE_X_TOOLKIT |
98a20c65 CY |
351 | if (popup_activated_flag) |
352 | x_activate_timeout_atimer (); | |
73dba342 | 353 | #endif |
b3935289 JD |
354 | } |
355 | ||
4475bec4 PE |
356 | #endif |
357 | ||
c3438661 JD |
358 | /* Wait for an X event to arrive or for a timer to expire. */ |
359 | ||
6f37259d PE |
360 | #ifndef USE_MOTIF |
361 | static | |
362 | #endif | |
b3935289 | 363 | void |
c3438661 JD |
364 | x_menu_wait_for_event (void *data) |
365 | { | |
c3438661 JD |
366 | /* Another way to do this is to register a timer callback, that can be |
367 | done in GTK and Xt. But we have to do it like this when using only X | |
368 | anyway, and with callbacks we would have three variants for timer handling | |
369 | instead of the small ifdefs below. */ | |
370 | ||
371 | while ( | |
372 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 373 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
374 | #elif defined USE_GTK |
375 | ! gtk_events_pending () | |
376 | #else | |
377 | ! XPending ((Display*) data) | |
378 | #endif | |
379 | ) | |
380 | { | |
f868cd8a | 381 | EMACS_TIME next_time = timer_check (), *ntp; |
c3438661 JD |
382 | SELECT_TYPE read_fds; |
383 | struct x_display_info *dpyinfo; | |
384 | int n = 0; | |
385 | ||
386 | FD_ZERO (&read_fds); | |
387 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
388 | { | |
389 | int fd = ConnectionNumber (dpyinfo->display); | |
390 | FD_SET (fd, &read_fds); | |
391 | if (fd > n) n = fd; | |
11814156 | 392 | XFlush (dpyinfo->display); |
c3438661 JD |
393 | } |
394 | ||
d35af63c | 395 | if (! EMACS_TIME_VALID_P (next_time)) |
e90292a9 JD |
396 | ntp = 0; |
397 | else | |
398 | ntp = &next_time; | |
c3438661 | 399 | |
8f5f35cc | 400 | #if defined USE_GTK && defined HAVE_GTK3 |
63def6b6 CY |
401 | /* Gtk3 have arrows on menus when they don't fit. When the |
402 | pointer is over an arrow, a timeout scrolls it a bit. Use | |
403 | xg_select so that timeout gets triggered. */ | |
404 | xg_select (n + 1, &read_fds, NULL, NULL, ntp, NULL); | |
93d5ca1f | 405 | #else |
d35af63c | 406 | pselect (n + 1, &read_fds, NULL, NULL, ntp, NULL); |
93d5ca1f | 407 | #endif |
c3438661 JD |
408 | } |
409 | } | |
410 | #endif /* ! MSDOS */ | |
411 | ||
78589e07 | 412 | \f |
488dd4c4 | 413 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 414 | |
f1d1cd24 JD |
415 | #ifdef USE_X_TOOLKIT |
416 | ||
4dedbfe0 | 417 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 418 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
419 | and x-popup-dialog; it is not used for the menu bar. |
420 | ||
2e2b8e22 | 421 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 422 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 423 | |
f02cac82 | 424 | static void |
ebd15611 | 425 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 426 | { |
4dedbfe0 | 427 | XEvent event; |
f02cac82 | 428 | |
8b806a85 JD |
429 | while (popup_activated_flag) |
430 | { | |
c0b0f54b | 431 | if (initial_event) |
8b806a85 JD |
432 | { |
433 | event = *initial_event; | |
434 | initial_event = 0; | |
435 | } | |
436 | else | |
c3438661 JD |
437 | { |
438 | if (do_timers) x_menu_wait_for_event (0); | |
439 | XtAppNextEvent (Xt_app_con, &event); | |
440 | } | |
78589e07 | 441 | |
10624005 | 442 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
443 | And make sure to deactivate for any ButtonRelease, |
444 | even if XtDispatchEvent doesn't do that. */ | |
445 | if (event.type == ButtonRelease | |
446 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
447 | { |
448 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 449 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
450 | Btn1Down seems the only way to convince Motif to |
451 | activate its callbacks; setting the XmNmenuPost | |
452 | isn't working. --marcus@sysc.pdx.edu. */ | |
453 | event.xbutton.button = 1; | |
454 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
455 | key is pressed and the button is released. So reset key state | |
456 | so Motif thinks this is the case. */ | |
457 | event.xbutton.state = 0; | |
c8b5aa3d | 458 | #endif |
10624005 | 459 | } |
33385c6f | 460 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 461 | else if (event.type == KeyPress |
10624005 | 462 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
463 | { |
464 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 465 | |
33385c6f JD |
466 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
467 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 468 | popup_activated_flag = 0; |
8b806a85 | 469 | } |
177c0ea7 | 470 | |
8b806a85 | 471 | x_dispatch_event (&event, event.xany.display); |
aa669def | 472 | } |
78589e07 RS |
473 | } |
474 | ||
12b6af5c | 475 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
476 | doc: /* Start key navigation of the menu bar in FRAME. |
477 | This initially opens the first menu bar item and you can then navigate with the | |
478 | arrow keys, select a menu entry with the return key or cancel with the | |
479 | escape key. If FRAME has no menu bar this function does nothing. | |
480 | ||
481 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 482 | (Lisp_Object frame) |
22badffe JD |
483 | { |
484 | XEvent ev; | |
7452b7bd | 485 | FRAME_PTR f = decode_window_system_frame (frame); |
22badffe | 486 | Widget menubar; |
4d7e6e51 | 487 | block_input (); |
22badffe JD |
488 | |
489 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
490 | set_frame_menubar (f, 0, 1); | |
491 | ||
492 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
493 | if (menubar) | |
494 | { | |
495 | Window child; | |
496 | int error_p = 0; | |
497 | ||
498 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
499 | memset (&ev, 0, sizeof ev); | |
500 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
501 | ev.xbutton.window = XtWindow (menubar); | |
502 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
503 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
504 | ev.xbutton.button = Button1; | |
505 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
506 | ev.xbutton.same_screen = True; | |
507 | ||
508 | #ifdef USE_MOTIF | |
509 | { | |
510 | Arg al[2]; | |
511 | WidgetList list; | |
512 | Cardinal nr; | |
513 | XtSetArg (al[0], XtNchildren, &list); | |
514 | XtSetArg (al[1], XtNnumChildren, &nr); | |
515 | XtGetValues (menubar, al, 2); | |
516 | ev.xbutton.window = XtWindow (list[0]); | |
517 | } | |
518 | #endif | |
519 | ||
520 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
521 | /* From-window, to-window. */ | |
522 | ev.xbutton.window, ev.xbutton.root, | |
523 | ||
524 | /* From-position, to-position. */ | |
525 | ev.xbutton.x, ev.xbutton.y, | |
526 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
527 | ||
528 | /* Child of win. */ | |
529 | &child); | |
530 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
531 | x_uncatch_errors (); | |
532 | ||
533 | if (! error_p) | |
534 | { | |
535 | ev.type = ButtonPress; | |
536 | ev.xbutton.state = 0; | |
537 | ||
538 | XtDispatchEvent (&ev); | |
539 | ev.xbutton.type = ButtonRelease; | |
540 | ev.xbutton.state = Button1Mask; | |
541 | XtDispatchEvent (&ev); | |
542 | } | |
543 | } | |
544 | ||
4d7e6e51 | 545 | unblock_input (); |
57d671b4 AS |
546 | |
547 | return Qnil; | |
22badffe | 548 | } |
488dd4c4 JD |
549 | #endif /* USE_X_TOOLKIT */ |
550 | ||
22badffe | 551 | |
488dd4c4 | 552 | #ifdef USE_GTK |
12b6af5c | 553 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
554 | doc: /* Start key navigation of the menu bar in FRAME. |
555 | This initially opens the first menu bar item and you can then navigate with the | |
556 | arrow keys, select a menu entry with the return key or cancel with the | |
557 | escape key. If FRAME has no menu bar this function does nothing. | |
558 | ||
559 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 560 | (Lisp_Object frame) |
22badffe JD |
561 | { |
562 | GtkWidget *menubar; | |
8630721e CY |
563 | FRAME_PTR f; |
564 | ||
718aeeb8 | 565 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
4d7e6e51 | 566 | block_input (). */ |
718aeeb8 | 567 | |
4d7e6e51 | 568 | block_input (); |
7452b7bd | 569 | f = decode_window_system_frame (frame); |
22badffe JD |
570 | |
571 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
572 | set_frame_menubar (f, 0, 1); | |
573 | ||
574 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
575 | if (menubar) | |
576 | { | |
577 | /* Activate the first menu. */ | |
578 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
579 | ||
32d46135 JD |
580 | if (children) |
581 | { | |
582 | g_signal_emit_by_name (children->data, "activate_item"); | |
583 | popup_activated_flag = 1; | |
584 | g_list_free (children); | |
585 | } | |
22badffe | 586 | } |
4d7e6e51 | 587 | unblock_input (); |
22badffe JD |
588 | |
589 | return Qnil; | |
590 | } | |
591 | ||
488dd4c4 JD |
592 | /* Loop util popup_activated_flag is set to zero in a callback. |
593 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 594 | |
488dd4c4 | 595 | static void |
971de7fb | 596 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
597 | { |
598 | ++popup_activated_flag; | |
599 | ||
600 | /* Process events in the Gtk event loop until done. */ | |
601 | while (popup_activated_flag) | |
602 | { | |
c3438661 | 603 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
604 | gtk_main_iteration (); |
605 | } | |
606 | } | |
607 | #endif | |
608 | ||
88766961 RS |
609 | /* Activate the menu bar of frame F. |
610 | This is called from keyboard.c when it gets the | |
3b8f9651 | 611 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
612 | |
613 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 614 | that was saved in saved_menu_event. |
88766961 RS |
615 | That makes the toolkit do its thing. |
616 | ||
617 | But first we recompute the menu bar contents (the whole tree). | |
618 | ||
619 | The reason for saving the button event until here, instead of | |
620 | passing it to the toolkit right away, is that we can safely | |
621 | execute Lisp code. */ | |
177c0ea7 | 622 | |
dfcf069d | 623 | void |
971de7fb | 624 | x_activate_menubar (FRAME_PTR f) |
88766961 | 625 | { |
62af879c | 626 | if (! FRAME_X_P (f)) |
1088b922 | 627 | emacs_abort (); |
62af879c | 628 | |
ac78b144 | 629 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
630 | return; |
631 | ||
177c0ea7 | 632 | #ifdef USE_GTK |
6b61353c KH |
633 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
634 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
635 | return; |
636 | #endif | |
177c0ea7 | 637 | |
a9be6839 | 638 | set_frame_menubar (f, 0, 1); |
4d7e6e51 | 639 | block_input (); |
cf28cebc | 640 | popup_activated_flag = 1; |
488dd4c4 JD |
641 | #ifdef USE_GTK |
642 | XPutBackEvent (f->output_data.x->display_info->display, | |
643 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 644 | #else |
86fad4ec | 645 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 646 | #endif |
4d7e6e51 | 647 | unblock_input (); |
177c0ea7 | 648 | |
88766961 | 649 | /* Ignore this if we get it a second time. */ |
ac78b144 | 650 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
651 | } |
652 | ||
4dedbfe0 PR |
653 | /* This callback is invoked when the user selects a menubar cascade |
654 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 655 | |
488dd4c4 | 656 | #ifndef USE_GTK |
78589e07 | 657 | static void |
ebd15611 | 658 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 659 | { |
4dedbfe0 | 660 | popup_activated_flag = 1; |
98a20c65 CY |
661 | #ifdef USE_X_TOOLKIT |
662 | x_activate_timeout_atimer (); | |
663 | #endif | |
7555d825 | 664 | } |
488dd4c4 | 665 | #endif |
7555d825 GM |
666 | |
667 | /* This callback is invoked when a dialog or menu is finished being | |
668 | used and has been unposted. */ | |
669 | ||
488dd4c4 | 670 | static void |
5db81e33 SM |
671 | popup_deactivate_callback ( |
672 | #ifdef USE_GTK | |
673 | GtkWidget *widget, gpointer client_data | |
488dd4c4 | 674 | #else |
5db81e33 SM |
675 | Widget widget, LWLIB_ID id, XtPointer client_data |
676 | #endif | |
677 | ) | |
7555d825 | 678 | { |
7555d825 | 679 | popup_activated_flag = 0; |
78589e07 RS |
680 | } |
681 | ||
850df50b | 682 | |
488dd4c4 JD |
683 | /* Function that finds the frame for WIDGET and shows the HELP text |
684 | for that widget. | |
685 | F is the frame if known, or NULL if not known. */ | |
686 | static void | |
971de7fb | 687 | show_help_event (FRAME_PTR f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 688 | { |
488dd4c4 | 689 | Lisp_Object frame; |
850df50b | 690 | |
850df50b | 691 | if (f) |
9cd50434 GM |
692 | { |
693 | XSETFRAME (frame, f); | |
694 | kbd_buffer_store_help_event (frame, help); | |
695 | } | |
850df50b GM |
696 | else |
697 | { | |
6b61353c | 698 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 699 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 700 | widget. See which frame that is. */ |
488dd4c4 | 701 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
702 | Lisp_Object tail; |
703 | ||
8e50cc2d | 704 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
705 | { |
706 | frame = XCAR (tail); | |
8e50cc2d | 707 | if (FRAMEP (frame) |
850df50b GM |
708 | && (f = XFRAME (frame), |
709 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
710 | break; | |
711 | } | |
6b61353c | 712 | #endif |
f868cd8a | 713 | show_help_echo (help, Qnil, Qnil, Qnil); |
9cd50434 | 714 | } |
850df50b GM |
715 | } |
716 | ||
488dd4c4 JD |
717 | /* Callback called when menu items are highlighted/unhighlighted |
718 | while moving the mouse over them. WIDGET is the menu bar or menu | |
719 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
720 | the data structure for the menu item, or null in case of | |
721 | unhighlighting. */ | |
4dedbfe0 | 722 | |
488dd4c4 | 723 | #ifdef USE_GTK |
032f1620 | 724 | static void |
971de7fb | 725 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
726 | { |
727 | xg_menu_item_cb_data *cb_data; | |
728 | Lisp_Object help; | |
177c0ea7 | 729 | |
488dd4c4 JD |
730 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
731 | XG_ITEM_DATA); | |
732 | if (! cb_data) return; | |
733 | ||
734 | help = call_data ? cb_data->help : Qnil; | |
735 | ||
736 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
a560d974 JD |
737 | Don't pass the frame to show_help_event for those. |
738 | Passing frame creates an Emacs event. As we are looping in | |
8d5ed899 | 739 | popup_widget_loop, it won't be handled. Passing NULL shows the tip |
a560d974 JD |
740 | directly without using an Emacs event. This is what the Lucid code |
741 | does below. */ | |
742 | show_help_event (popup_activated_flag <= 1 ? cb_data->cl_data->f : NULL, | |
743 | widget, help); | |
488dd4c4 JD |
744 | } |
745 | #else | |
032f1620 | 746 | static void |
ebd15611 | 747 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 JD |
748 | { |
749 | struct frame *f; | |
750 | Lisp_Object help; | |
751 | ||
752 | widget_value *wv = (widget_value *) call_data; | |
753 | ||
754 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 755 | |
488dd4c4 JD |
756 | /* Determine the frame for the help event. */ |
757 | f = menubar_id_to_frame (id); | |
758 | ||
759 | show_help_event (f, widget, help); | |
760 | } | |
761 | #endif | |
762 | ||
488dd4c4 JD |
763 | #ifdef USE_GTK |
764 | /* Gtk calls callbacks just because we tell it what item should be | |
765 | selected in a radio group. If this variable is set to a non-zero | |
766 | value, we are creating menus and don't want callbacks right now. | |
767 | */ | |
768 | static int xg_crazy_callback_abort; | |
769 | ||
770 | /* This callback is called from the menu bar pulldown menu | |
771 | when the user makes a selection. | |
772 | Figure out what the user chose | |
773 | and put the appropriate events into the keyboard buffer. */ | |
774 | static void | |
971de7fb | 775 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
776 | { |
777 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
778 | ||
779 | if (xg_crazy_callback_abort) | |
780 | return; | |
781 | ||
782 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
783 | return; | |
784 | ||
b79c8219 JD |
785 | /* For a group of radio buttons, GTK calls the selection callback first |
786 | for the item that was active before the selection and then for the one that | |
787 | is active after the selection. For C-h k this means we get the help on | |
788 | the deselected item and then the selected item is executed. Prevent that | |
789 | by ignoring the non-active item. */ | |
790 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
791 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
792 | return; | |
793 | ||
81f09877 JD |
794 | /* When a menu is popped down, X generates a focus event (i.e. focus |
795 | goes back to the frame below the menu). Since GTK buffers events, | |
796 | we force it out here before the menu selection event. Otherwise | |
797 | sit-for will exit at once if the focus event follows the menu selection | |
798 | event. */ | |
799 | ||
4d7e6e51 | 800 | block_input (); |
81f09877 JD |
801 | while (gtk_events_pending ()) |
802 | gtk_main_iteration (); | |
4d7e6e51 | 803 | unblock_input (); |
81f09877 | 804 | |
488dd4c4 JD |
805 | find_and_call_menu_selection (cb_data->cl_data->f, |
806 | cb_data->cl_data->menu_bar_items_used, | |
807 | cb_data->cl_data->menu_bar_vector, | |
808 | cb_data->call_data); | |
809 | } | |
810 | ||
811 | #else /* not USE_GTK */ | |
812 | ||
813 | /* This callback is called from the menu bar pulldown menu | |
814 | when the user makes a selection. | |
815 | Figure out what the user chose | |
816 | and put the appropriate events into the keyboard buffer. */ | |
817 | static void | |
ebd15611 | 818 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 JD |
819 | { |
820 | FRAME_PTR f; | |
821 | ||
822 | f = menubar_id_to_frame (id); | |
823 | if (!f) | |
824 | return; | |
825 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
e69b0960 | 826 | f->menu_bar_vector, client_data); |
488dd4c4 JD |
827 | } |
828 | #endif /* not USE_GTK */ | |
f61a541b GM |
829 | \f |
830 | /* Recompute all the widgets of frame F, when the menu bar has been | |
18e27ea8 | 831 | changed. */ |
f61a541b | 832 | |
18e27ea8 | 833 | static void |
971de7fb | 834 | update_frame_menubar (FRAME_PTR f) |
18686d47 | 835 | { |
488dd4c4 | 836 | #ifdef USE_GTK |
18e27ea8 | 837 | xg_update_frame_menubar (f); |
488dd4c4 | 838 | #else |
62af879c | 839 | struct x_output *x; |
cffa74ea | 840 | int columns, rows; |
177c0ea7 | 841 | |
62af879c | 842 | if (! FRAME_X_P (f)) |
1088b922 | 843 | emacs_abort (); |
62af879c KL |
844 | |
845 | x = f->output_data.x; | |
846 | ||
f61a541b | 847 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
18e27ea8 | 848 | return; |
18686d47 | 849 | |
4d7e6e51 | 850 | block_input (); |
f61a541b GM |
851 | /* Save the size of the frame because the pane widget doesn't accept |
852 | to resize itself. So force it. */ | |
9882535b KS |
853 | columns = FRAME_COLS (f); |
854 | rows = FRAME_LINES (f); | |
cffa74ea | 855 | |
f61a541b GM |
856 | /* Do the voodoo which means "I'm changing lots of things, don't try |
857 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 858 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 859 | |
f61a541b GM |
860 | /* The order in which children are managed is the top to bottom |
861 | order in which they are displayed in the paned window. First, | |
862 | remove the text-area widget. */ | |
18686d47 RS |
863 | XtUnmanageChild (x->edit_widget); |
864 | ||
f61a541b GM |
865 | /* Remove the menubar that is there now, and put up the menubar that |
866 | should be there. */ | |
867 | XtManageChild (x->menubar_widget); | |
868 | XtMapWidget (x->menubar_widget); | |
869 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 870 | |
c98fcf4b | 871 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 872 | XtManageChild (x->edit_widget); |
4dedbfe0 | 873 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
874 | |
875 | /* Force the pane widget to resize itself with the right values. */ | |
876 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
4d7e6e51 | 877 | unblock_input (); |
488dd4c4 | 878 | #endif |
18686d47 RS |
879 | } |
880 | ||
99852628 | 881 | #ifdef USE_LUCID |
1ecb2d3f | 882 | static void |
ebd15611 | 883 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
884 | { |
885 | const char *fn = xsettings_get_system_normal_font (); | |
51b59d79 | 886 | if (fn) |
1ecb2d3f JD |
887 | { |
888 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
889 | if (db) | |
3928f2b6 | 890 | XrmPutStringResource (&db, "*dialog.font", fn); |
1ecb2d3f JD |
891 | } |
892 | } | |
893 | ||
99852628 | 894 | static void |
3928f2b6 | 895 | apply_systemfont_to_menu (struct frame *f, Widget w) |
99852628 JD |
896 | { |
897 | const char *fn = xsettings_get_system_normal_font (); | |
99852628 | 898 | |
3928f2b6 | 899 | if (fn) |
99852628 | 900 | { |
3928f2b6 JD |
901 | XrmDatabase db = XtDatabase (XtDisplay (w)); |
902 | if (db) | |
903 | { | |
904 | XrmPutStringResource (&db, "*menubar*font", fn); | |
905 | XrmPutStringResource (&db, "*popup*font", fn); | |
906 | } | |
99852628 | 907 | } |
99852628 | 908 | } |
3928f2b6 | 909 | |
99852628 JD |
910 | #endif |
911 | ||
4bcdbab1 KH |
912 | /* Set the contents of the menubar widgets of frame F. |
913 | The argument FIRST_TIME is currently ignored; | |
914 | it is set the first time this is called, from initialize_frame_menubar. */ | |
915 | ||
18686d47 | 916 | void |
18e27ea8 | 917 | set_frame_menubar (FRAME_PTR f, bool first_time, bool deep_p) |
18686d47 | 918 | { |
62af879c | 919 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
920 | #ifdef USE_X_TOOLKIT |
921 | LWLIB_ID id; | |
922 | #endif | |
faa935b6 | 923 | Lisp_Object items; |
4d19cb8e | 924 | widget_value *wv, *first_wv, *prev_wv = 0; |
3e26f69c | 925 | int i; |
ced89c24 | 926 | int *submenu_start, *submenu_end; |
7cded46f PE |
927 | bool *submenu_top_level_items; |
928 | int *submenu_n_panes; | |
cc45fb40 | 929 | |
62af879c | 930 | if (! FRAME_X_P (f)) |
1088b922 | 931 | emacs_abort (); |
62af879c KL |
932 | |
933 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 934 | |
bfc524bc RS |
935 | XSETFRAME (Vmenu_updating_frame, f); |
936 | ||
488dd4c4 | 937 | #ifdef USE_X_TOOLKIT |
7556890b RS |
938 | if (f->output_data.x->id == 0) |
939 | f->output_data.x->id = next_menubar_widget_id++; | |
940 | id = f->output_data.x->id; | |
488dd4c4 | 941 | #endif |
177c0ea7 | 942 | |
88766961 RS |
943 | if (! menubar_widget) |
944 | deep_p = 1; | |
a9be6839 RS |
945 | /* Make the first call for any given frame always go deep. */ |
946 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
947 | { |
948 | deep_p = 1; | |
23f86fce | 949 | f->output_data.x->saved_menu_event = xmalloc (sizeof (XEvent)); |
a9be6839 | 950 | f->output_data.x->saved_menu_event->type = 0; |
745c34fb | 951 | } |
18686d47 | 952 | |
6b61353c KH |
953 | #ifdef USE_GTK |
954 | /* If we have detached menus, we must update deep so detached menus | |
955 | also gets updated. */ | |
956 | deep_p = deep_p || xg_have_tear_offs (); | |
957 | #endif | |
958 | ||
88766961 | 959 | if (deep_p) |
18686d47 | 960 | { |
88766961 RS |
961 | /* Make a widget-value tree representing the entire menu trees. */ |
962 | ||
963 | struct buffer *prev = current_buffer; | |
964 | Lisp_Object buffer; | |
d311d28c | 965 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
966 | int previous_menu_items_used = f->menu_bar_items_used; |
967 | Lisp_Object *previous_items | |
38182d90 | 968 | = alloca (previous_menu_items_used * sizeof *previous_items); |
3e26f69c | 969 | int subitems; |
88766961 | 970 | |
0b1cf399 RS |
971 | /* If we are making a new widget, its contents are empty, |
972 | do always reinitialize them. */ | |
973 | if (! menubar_widget) | |
974 | previous_menu_items_used = 0; | |
975 | ||
e74aeda8 | 976 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->contents; |
88766961 RS |
977 | specbind (Qinhibit_quit, Qt); |
978 | /* Don't let the debugger step into this code | |
979 | because it is not reentrant. */ | |
980 | specbind (Qdebug_on_next_call, Qnil); | |
981 | ||
89f2614d | 982 | record_unwind_save_match_data (); |
88766961 RS |
983 | if (NILP (Voverriding_local_map_menu_flag)) |
984 | { | |
985 | specbind (Qoverriding_terminal_local_map, Qnil); | |
986 | specbind (Qoverriding_local_map, Qnil); | |
987 | } | |
18686d47 | 988 | |
88766961 | 989 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 990 | |
88766961 | 991 | /* Run the Lucid hook. */ |
950eaee7 | 992 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 993 | |
88766961 RS |
994 | /* If it has changed current-menubar from previous value, |
995 | really recompute the menubar from the value. */ | |
996 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
997 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 998 | safe_run_hooks (Qmenu_bar_update_hook); |
f00af5b1 | 999 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
18686d47 | 1000 | |
88766961 | 1001 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1002 | |
88766961 | 1003 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 1004 | if (previous_menu_items_used) |
e69b0960 | 1005 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
663e2b3f | 1006 | previous_menu_items_used * word_size); |
8d8a3494 | 1007 | |
ced89c24 RS |
1008 | /* Fill in menu_items with the current menu bar contents. |
1009 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1010 | save_menu_items (); |
1011 | ||
e69b0960 | 1012 | menu_items = f->menu_bar_vector; |
86c04183 | 1013 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
77b37c05 | 1014 | subitems = ASIZE (items) / 4; |
38182d90 PE |
1015 | submenu_start = alloca ((subitems + 1) * sizeof *submenu_start); |
1016 | submenu_end = alloca (subitems * sizeof *submenu_end); | |
1017 | submenu_n_panes = alloca (subitems * sizeof *submenu_n_panes); | |
1018 | submenu_top_level_items = alloca (subitems | |
1019 | * sizeof *submenu_top_level_items); | |
88766961 | 1020 | init_menu_items (); |
e3019616 | 1021 | for (i = 0; i < subitems; i++) |
88766961 RS |
1022 | { |
1023 | Lisp_Object key, string, maps; | |
1024 | ||
28be1ada DA |
1025 | key = AREF (items, 4 * i); |
1026 | string = AREF (items, 4 * i + 1); | |
1027 | maps = AREF (items, 4 * i + 2); | |
88766961 RS |
1028 | if (NILP (string)) |
1029 | break; | |
1030 | ||
ced89c24 RS |
1031 | submenu_start[i] = menu_items_used; |
1032 | ||
1033 | menu_items_n_panes = 0; | |
1034 | submenu_top_level_items[i] | |
1035 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1036 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1037 | |
1038 | submenu_end[i] = menu_items_used; | |
1039 | } | |
1040 | ||
3e26f69c | 1041 | submenu_start[i] = -1; |
ced89c24 RS |
1042 | finish_menu_items (); |
1043 | ||
1044 | /* Convert menu_items into widget_value trees | |
1045 | to display the menu. This cannot evaluate Lisp code. */ | |
1046 | ||
1047 | wv = xmalloc_widget_value (); | |
1048 | wv->name = "menubar"; | |
1049 | wv->value = 0; | |
1050 | wv->enabled = 1; | |
1051 | wv->button_type = BUTTON_TYPE_NONE; | |
1052 | wv->help = Qnil; | |
1053 | first_wv = wv; | |
1054 | ||
908589fd | 1055 | for (i = 0; submenu_start[i] >= 0; i++) |
ced89c24 | 1056 | { |
37dc84ff | 1057 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1058 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1059 | submenu_top_level_items[i]); | |
177c0ea7 | 1060 | if (prev_wv) |
88766961 RS |
1061 | prev_wv->next = wv; |
1062 | else | |
1063 | first_wv->contents = wv; | |
1064 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1065 | wv->enabled = 1; | |
3427a3db | 1066 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1067 | prev_wv = wv; |
1068 | } | |
1069 | ||
88766961 | 1070 | set_buffer_internal_1 (prev); |
8d8a3494 | 1071 | |
88766961 RS |
1072 | /* If there has been no change in the Lisp-level contents |
1073 | of the menu bar, skip redisplaying it. Just exit. */ | |
1074 | ||
510d5bf6 | 1075 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1076 | for (i = 0; i < previous_menu_items_used; i++) |
1077 | if (menu_items_used == i | |
28be1ada | 1078 | || (!EQ (previous_items[i], AREF (menu_items, i)))) |
88766961 | 1079 | break; |
62555c22 | 1080 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1081 | { |
510d5bf6 RS |
1082 | /* The menu items have not changed. Don't bother updating |
1083 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1084 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1085 | discard_menu_items (); |
1fc4d463 | 1086 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1087 | return; |
1088 | } | |
1089 | ||
510d5bf6 | 1090 | /* The menu items are different, so store them in the frame. */ |
f00af5b1 | 1091 | fset_menu_bar_vector (f, menu_items); |
1fc4d463 RS |
1092 | f->menu_bar_items_used = menu_items_used; |
1093 | ||
bf732638 | 1094 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1095 | unbind_to (specpdl_count, Qnil); |
1096 | ||
88766961 RS |
1097 | /* Now GC cannot happen during the lifetime of the widget_value, |
1098 | so it's safe to store data from a Lisp_String. */ | |
1099 | wv = first_wv->contents; | |
77b37c05 | 1100 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1101 | { |
1102 | Lisp_Object string; | |
28be1ada | 1103 | string = AREF (items, i + 1); |
88766961 | 1104 | if (NILP (string)) |
2bf436c3 | 1105 | break; |
51b59d79 | 1106 | wv->name = SSDATA (string); |
2bf436c3 JD |
1107 | update_submenu_strings (wv->contents); |
1108 | wv = wv->next; | |
88766961 RS |
1109 | } |
1110 | ||
4d19cb8e | 1111 | } |
88766961 RS |
1112 | else |
1113 | { | |
1114 | /* Make a widget-value tree containing | |
1115 | just the top level menu bar strings. */ | |
4d19cb8e | 1116 | |
ced89c24 RS |
1117 | wv = xmalloc_widget_value (); |
1118 | wv->name = "menubar"; | |
1119 | wv->value = 0; | |
1120 | wv->enabled = 1; | |
1121 | wv->button_type = BUTTON_TYPE_NONE; | |
1122 | wv->help = Qnil; | |
1123 | first_wv = wv; | |
1124 | ||
88766961 | 1125 | items = FRAME_MENU_BAR_ITEMS (f); |
77b37c05 | 1126 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1127 | { |
1128 | Lisp_Object string; | |
1129 | ||
28be1ada | 1130 | string = AREF (items, i + 1); |
88766961 RS |
1131 | if (NILP (string)) |
1132 | break; | |
1133 | ||
f7fab165 | 1134 | wv = xmalloc_widget_value (); |
51b59d79 | 1135 | wv->name = SSDATA (string); |
88766961 RS |
1136 | wv->value = 0; |
1137 | wv->enabled = 1; | |
3427a3db | 1138 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1139 | wv->help = Qnil; |
fe8fa62f RS |
1140 | /* This prevents lwlib from assuming this |
1141 | menu item is really supposed to be empty. */ | |
d01a7826 | 1142 | /* The intptr_t cast avoids a warning. |
fe8fa62f | 1143 | This value just has to be different from small integers. */ |
d01a7826 | 1144 | wv->call_data = (void *) (intptr_t) (-1); |
88766961 | 1145 | |
177c0ea7 | 1146 | if (prev_wv) |
88766961 RS |
1147 | prev_wv->next = wv; |
1148 | else | |
1149 | first_wv->contents = wv; | |
1150 | prev_wv = wv; | |
1151 | } | |
62555c22 RS |
1152 | |
1153 | /* Forget what we thought we knew about what is in the | |
1154 | detailed contents of the menu bar menus. | |
1155 | Changing the top level always destroys the contents. */ | |
1156 | f->menu_bar_items_used = 0; | |
88766961 | 1157 | } |
4dedbfe0 | 1158 | |
88766961 | 1159 | /* Create or update the menu bar widget. */ |
aa669def | 1160 | |
4d7e6e51 | 1161 | block_input (); |
aa669def | 1162 | |
488dd4c4 JD |
1163 | #ifdef USE_GTK |
1164 | xg_crazy_callback_abort = 1; | |
1165 | if (menubar_widget) | |
1166 | { | |
6b61353c | 1167 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1168 | menu trees we supply, rather than just the menu bar item names. */ |
1169 | xg_modify_menubar_widgets (menubar_widget, | |
1170 | f, | |
1171 | first_wv, | |
1172 | deep_p, | |
1173 | G_CALLBACK (menubar_selection_callback), | |
1174 | G_CALLBACK (popup_deactivate_callback), | |
1175 | G_CALLBACK (menu_highlight_callback)); | |
1176 | } | |
1177 | else | |
1178 | { | |
488dd4c4 | 1179 | menubar_widget |
177c0ea7 | 1180 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1181 | G_CALLBACK (menubar_selection_callback), |
1182 | G_CALLBACK (popup_deactivate_callback), | |
1183 | G_CALLBACK (menu_highlight_callback)); | |
1184 | ||
1185 | f->output_data.x->menubar_widget = menubar_widget; | |
1186 | } | |
1187 | ||
177c0ea7 | 1188 | |
488dd4c4 | 1189 | #else /* not USE_GTK */ |
18686d47 | 1190 | if (menubar_widget) |
4dedbfe0 PR |
1191 | { |
1192 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1193 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1194 | |
1195 | /* The third arg is DEEP_P, which says to consider the entire | |
1196 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1197 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1198 | |
c98fcf4b | 1199 | /* Re-enable the edit widget to resize. */ |
7556890b | 1200 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1201 | } |
18686d47 RS |
1202 | else |
1203 | { | |
9f6fcdc5 JD |
1204 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1205 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1206 | ||
3928f2b6 JD |
1207 | #ifdef USE_LUCID |
1208 | apply_systemfont_to_menu (f, f->output_data.x->column_widget); | |
1209 | #endif | |
1210 | menubar_widget = lw_create_widget ("menubar", "menubar", id, | |
1211 | first_wv, | |
7556890b | 1212 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1213 | 0, |
1214 | popup_activate_callback, | |
1215 | menubar_selection_callback, | |
850df50b GM |
1216 | popup_deactivate_callback, |
1217 | menu_highlight_callback); | |
7556890b | 1218 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1219 | |
1220 | /* Make menu pop down on C-g. */ | |
1221 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1222 | } |
1d1c1567 KH |
1223 | |
1224 | { | |
cf28cebc | 1225 | int menubar_size; |
723f5a07 J |
1226 | if (f->output_data.x->menubar_widget) |
1227 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1228 | ||
cf28cebc | 1229 | menubar_size |
7556890b RS |
1230 | = (f->output_data.x->menubar_widget |
1231 | ? (f->output_data.x->menubar_widget->core.height | |
1232 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1233 | : 0); |
1234 | ||
5c646d5a JD |
1235 | #if 1 /* Experimentally, we now get the right results |
1236 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1237 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1238 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1239 | #ifdef USE_LUCID |
1d1c1567 KH |
1240 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1241 | { | |
1242 | Dimension ibw = 0; | |
7556890b | 1243 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1244 | XtNinternalBorderWidth, &ibw, NULL); |
1245 | menubar_size += ibw; | |
1246 | } | |
5ee80bd3 | 1247 | #endif /* USE_LUCID */ |
5c646d5a | 1248 | #endif /* 1 */ |
1d1c1567 | 1249 | |
7556890b | 1250 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1251 | } |
488dd4c4 | 1252 | #endif /* not USE_GTK */ |
177c0ea7 | 1253 | |
18686d47 | 1254 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1255 | update_frame_menubar (f); |
18686d47 | 1256 | |
488dd4c4 JD |
1257 | #ifdef USE_GTK |
1258 | xg_crazy_callback_abort = 0; | |
1259 | #endif | |
1260 | ||
4d7e6e51 | 1261 | unblock_input (); |
18686d47 | 1262 | } |
85f487d1 | 1263 | |
8e6208c5 | 1264 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1265 | before it is mapped, so that the window is mapped with the menubar already |
1266 | there instead of us tacking it on later and thrashing the window after it | |
1267 | is visible. */ | |
1268 | ||
1269 | void | |
971de7fb | 1270 | initialize_frame_menubar (FRAME_PTR f) |
4dedbfe0 PR |
1271 | { |
1272 | /* This function is called before the first chance to redisplay | |
1273 | the frame. It has to be, so the frame will have the right size. */ | |
f00af5b1 | 1274 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
88766961 | 1275 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1276 | } |
1277 | ||
aba25348 | 1278 | |
4dedbfe0 | 1279 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1280 | This is used when deleting a frame, and when turning off the menu bar. |
1281 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1282 | |
488dd4c4 | 1283 | #ifndef USE_GTK |
85f487d1 | 1284 | void |
ebd15611 | 1285 | free_frame_menubar (FRAME_PTR f) |
85f487d1 FP |
1286 | { |
1287 | Widget menubar_widget; | |
85f487d1 | 1288 | |
62af879c | 1289 | if (! FRAME_X_P (f)) |
1088b922 | 1290 | emacs_abort (); |
62af879c | 1291 | |
7556890b | 1292 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1293 | |
1294 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1295 | |
85f487d1 FP |
1296 | if (menubar_widget) |
1297 | { | |
aba25348 GM |
1298 | #ifdef USE_MOTIF |
1299 | /* Removing the menu bar magically changes the shell widget's x | |
1300 | and y position of (0, 0) which, when the menu bar is turned | |
53964682 | 1301 | on again, leads to pull-down menus appearing in strange |
aba25348 GM |
1302 | positions near the upper-left corner of the display. This |
1303 | happens only with some window managers like twm and ctwm, | |
1304 | but not with other like Motif's mwm or kwm, because the | |
1305 | latter generate ConfigureNotify events when the menu bar | |
1306 | is switched off, which fixes the shell position. */ | |
1307 | Position x0, y0, x1, y1; | |
1308 | #endif | |
177c0ea7 | 1309 | |
4d7e6e51 | 1310 | block_input (); |
aba25348 GM |
1311 | |
1312 | #ifdef USE_MOTIF | |
ae556422 GM |
1313 | if (f->output_data.x->widget) |
1314 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1315 | #endif |
177c0ea7 | 1316 | |
7556890b | 1317 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1318 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1319 | |
ae556422 GM |
1320 | if (f->output_data.x->widget) |
1321 | { | |
23243f29 | 1322 | #ifdef USE_MOTIF |
ae556422 GM |
1323 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1324 | if (x1 == 0 && y1 == 0) | |
1325 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1326 | #endif |
23243f29 J |
1327 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
1328 | } | |
4d7e6e51 | 1329 | unblock_input (); |
85f487d1 FP |
1330 | } |
1331 | } | |
488dd4c4 | 1332 | #endif /* not USE_GTK */ |
78589e07 | 1333 | |
488dd4c4 | 1334 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1335 | \f |
1336 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1337 | and returns the value selected from it. | |
1338 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1339 | Both assume input is blocked by the caller. */ | |
1340 | ||
1341 | /* F is the frame the menu is for. | |
1342 | X and Y are the frame-relative specified position, | |
1343 | relative to the inside upper left corner of the frame F. | |
7cded46f PE |
1344 | FOR_CLICK is true if this menu was invoked for a mouse click. |
1345 | KEYMAPS is true if this menu was specified with keymaps; | |
78589e07 RS |
1346 | in that case, we return a list containing the chosen item's value |
1347 | and perhaps also the pane's prefix. | |
1348 | TITLE is the specified menu title. | |
1349 | ERROR is a place to store an error message string in case of failure. | |
1350 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1351 | |
488dd4c4 JD |
1352 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1353 | ||
1354 | /* The item selected in the popup menu. */ | |
1355 | static Lisp_Object *volatile menu_item_selection; | |
1356 | ||
1357 | #ifdef USE_GTK | |
1358 | ||
1359 | /* Used when position a popup menu. See menu_position_func and | |
1360 | create_and_show_popup_menu below. */ | |
1361 | struct next_popup_x_y | |
1362 | { | |
7b76ca1c | 1363 | FRAME_PTR f; |
488dd4c4 JD |
1364 | int x; |
1365 | int y; | |
1366 | }; | |
1367 | ||
1368 | /* The menu position function to use if we are not putting a popup | |
1369 | menu where the pointer is. | |
1370 | MENU is the menu to pop up. | |
1371 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1372 | PUSH_IN is not documented in the GTK manual. | |
1373 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1374 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1375 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1376 | |
1377 | Here only X and Y are used. */ | |
1378 | static void | |
971de7fb | 1379 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1380 | { |
7b76ca1c JD |
1381 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1382 | GtkRequisition req; | |
fd2f80c6 CY |
1383 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1384 | int disp_width = x_display_pixel_width (dpyinfo); | |
1385 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1386 | |
7b76ca1c JD |
1387 | *x = data->x; |
1388 | *y = data->y; | |
1389 | ||
1390 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1391 | the menu is fully visible. */ | |
0afb4571 | 1392 | gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &req); |
7b76ca1c JD |
1393 | if (data->x + req.width > disp_width) |
1394 | *x -= data->x + req.width - disp_width; | |
1395 | if (data->y + req.height > disp_height) | |
1396 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1397 | } |
1398 | ||
1399 | static void | |
971de7fb | 1400 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1401 | { |
1402 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1403 | ||
1404 | if (xg_crazy_callback_abort) return; | |
1405 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1406 | } | |
1407 | ||
27e498e6 PE |
1408 | static void |
1409 | pop_down_menu (void *arg) | |
af89e871 JD |
1410 | { |
1411 | popup_activated_flag = 0; | |
4d7e6e51 | 1412 | block_input (); |
27e498e6 | 1413 | gtk_widget_destroy (GTK_WIDGET (arg)); |
4d7e6e51 | 1414 | unblock_input (); |
af89e871 JD |
1415 | } |
1416 | ||
488dd4c4 JD |
1417 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1418 | menu pops down. | |
1419 | menu_item_selection will be set to the selection. */ | |
1420 | static void | |
08dc5ae6 | 1421 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, |
7cded46f | 1422 | bool for_click, Time timestamp) |
488dd4c4 JD |
1423 | { |
1424 | int i; | |
1425 | GtkWidget *menu; | |
1426 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1427 | struct next_popup_x_y popup_x_y; | |
d311d28c | 1428 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
7cded46f | 1429 | bool use_pos_func = ! for_click; |
93d5ca1f JD |
1430 | |
1431 | #ifdef HAVE_GTK3 | |
1432 | /* Always use position function for Gtk3. Otherwise menus may become | |
1433 | too small to show anything. */ | |
1434 | use_pos_func = 1; | |
1435 | #endif | |
488dd4c4 | 1436 | |
62af879c | 1437 | if (! FRAME_X_P (f)) |
1088b922 | 1438 | emacs_abort (); |
62af879c | 1439 | |
488dd4c4 JD |
1440 | xg_crazy_callback_abort = 1; |
1441 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1442 | G_CALLBACK (popup_selection_callback), | |
1443 | G_CALLBACK (popup_deactivate_callback), | |
1444 | G_CALLBACK (menu_highlight_callback)); | |
1445 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1446 | |
93d5ca1f | 1447 | if (use_pos_func) |
488dd4c4 JD |
1448 | { |
1449 | /* Not invoked by a click. pop up at x/y. */ | |
1450 | pos_func = menu_position_func; | |
1451 | ||
1452 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1453 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1454 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1455 | |
1456 | popup_x_y.x = x; | |
1457 | popup_x_y.y = y; | |
7b76ca1c | 1458 | popup_x_y.f = f; |
488dd4c4 | 1459 | |
9b85e63d JD |
1460 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1461 | } | |
93d5ca1f JD |
1462 | |
1463 | if (for_click) | |
9b85e63d JD |
1464 | { |
1465 | for (i = 0; i < 5; i++) | |
1466 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1467 | break; | |
1468 | } | |
59cfb104 | 1469 | |
488dd4c4 JD |
1470 | /* Display the menu. */ |
1471 | gtk_widget_show_all (menu); | |
c0df13a6 | 1472 | |
a20903d0 | 1473 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
08dc5ae6 | 1474 | timestamp ? timestamp : gtk_get_current_event_time ()); |
177c0ea7 | 1475 | |
27e498e6 | 1476 | record_unwind_protect_ptr (pop_down_menu, menu); |
af89e871 | 1477 | |
e547b051 | 1478 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1479 | { |
1480 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1481 | two. show_help_echo uses this to detect popup menus. */ | |
1482 | popup_activated_flag = 1; | |
1483 | /* Process events that apply to the menu. */ | |
1484 | popup_widget_loop (1, menu); | |
1485 | } | |
488dd4c4 | 1486 | |
af89e871 | 1487 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1488 | |
488dd4c4 JD |
1489 | /* Must reset this manually because the button release event is not passed |
1490 | to Emacs event loop. */ | |
1491 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1492 | } | |
1493 | ||
1494 | #else /* not USE_GTK */ | |
18686d47 | 1495 | |
8ed87156 | 1496 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1497 | library. |
1498 | ||
1499 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1500 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1501 | |
88766961 RS |
1502 | For menu bars, we use numbers starting at 0, counted in |
1503 | next_menubar_widget_id. */ | |
8ed87156 | 1504 | LWLIB_ID widget_id_tick; |
165e1749 | 1505 | |
4dedbfe0 | 1506 | static void |
ebd15611 | 1507 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 PR |
1508 | { |
1509 | menu_item_selection = (Lisp_Object *) client_data; | |
1510 | } | |
1511 | ||
af89e871 JD |
1512 | /* ARG is the LWLIB ID of the dialog box, represented |
1513 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1514 | ||
27e498e6 | 1515 | static void |
ebd15611 | 1516 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1517 | { |
1518 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1519 | | XINT (XCDR (arg))); | |
1520 | ||
4d7e6e51 | 1521 | block_input (); |
af89e871 | 1522 | lw_destroy_all_widgets (id); |
4d7e6e51 | 1523 | unblock_input (); |
af89e871 | 1524 | popup_activated_flag = 0; |
af89e871 JD |
1525 | } |
1526 | ||
488dd4c4 JD |
1527 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1528 | menu pops down. | |
1529 | menu_item_selection will be set to the selection. */ | |
1530 | static void | |
2b23d2a6 | 1531 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, |
7cded46f | 1532 | int x, int y, bool for_click, Time timestamp) |
488dd4c4 JD |
1533 | { |
1534 | int i; | |
1535 | Arg av[2]; | |
1536 | int ac = 0; | |
65969f63 CY |
1537 | XEvent dummy; |
1538 | XButtonPressedEvent *event = &(dummy.xbutton); | |
488dd4c4 JD |
1539 | LWLIB_ID menu_id; |
1540 | Widget menu; | |
488dd4c4 | 1541 | |
62af879c | 1542 | if (! FRAME_X_P (f)) |
1088b922 | 1543 | emacs_abort (); |
62af879c | 1544 | |
3928f2b6 JD |
1545 | #ifdef USE_LUCID |
1546 | apply_systemfont_to_menu (f, f->output_data.x->widget); | |
1547 | #endif | |
1548 | ||
488dd4c4 JD |
1549 | menu_id = widget_id_tick++; |
1550 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1551 | f->output_data.x->widget, 1, 0, | |
1552 | popup_selection_callback, | |
1553 | popup_deactivate_callback, | |
1554 | menu_highlight_callback); | |
1555 | ||
65969f63 CY |
1556 | event->type = ButtonPress; |
1557 | event->serial = 0; | |
1558 | event->send_event = 0; | |
1559 | event->display = FRAME_X_DISPLAY (f); | |
1560 | event->time = CurrentTime; | |
1561 | event->root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1562 | event->window = event->subwindow = event->root; | |
1563 | event->x = x; | |
1564 | event->y = y; | |
488dd4c4 JD |
1565 | |
1566 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1567 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1568 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 | 1569 | |
65969f63 CY |
1570 | event->x_root = x; |
1571 | event->y_root = y; | |
488dd4c4 | 1572 | |
65969f63 CY |
1573 | event->state = 0; |
1574 | event->button = 0; | |
488dd4c4 JD |
1575 | for (i = 0; i < 5; i++) |
1576 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
65969f63 | 1577 | event->button = i; |
488dd4c4 JD |
1578 | |
1579 | /* Don't allow any geometry request from the user. */ | |
1580 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1581 | XtSetValues (menu, av, ac); | |
1582 | ||
1583 | /* Display the menu. */ | |
65969f63 | 1584 | lw_popup_menu (menu, &dummy); |
488dd4c4 | 1585 | popup_activated_flag = 1; |
98a20c65 | 1586 | x_activate_timeout_atimer (); |
59cfb104 | 1587 | |
af89e871 JD |
1588 | { |
1589 | int fact = 4 * sizeof (LWLIB_ID); | |
d311d28c | 1590 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
af89e871 JD |
1591 | record_unwind_protect (pop_down_menu, |
1592 | Fcons (make_number (menu_id >> (fact)), | |
1593 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1594 | |
af89e871 | 1595 | /* Process events that apply to the menu. */ |
95bdef2e | 1596 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1597 | |
af89e871 JD |
1598 | unbind_to (specpdl_count, Qnil); |
1599 | } | |
488dd4c4 JD |
1600 | } |
1601 | ||
1602 | #endif /* not USE_GTK */ | |
1603 | ||
27e498e6 PE |
1604 | static void |
1605 | cleanup_widget_value_tree (void *arg) | |
ba24cea2 | 1606 | { |
27e498e6 | 1607 | free_menubar_widget_value_tree (arg); |
ba24cea2 YM |
1608 | } |
1609 | ||
ef7417fd | 1610 | Lisp_Object |
7cded46f | 1611 | xmenu_show (FRAME_PTR f, int x, int y, bool for_click, bool keymaps, |
08dc5ae6 | 1612 | Lisp_Object title, const char **error_name, Time timestamp) |
18686d47 | 1613 | { |
78589e07 | 1614 | int i; |
78589e07 | 1615 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 | 1616 | widget_value **submenu_stack |
38182d90 | 1617 | = alloca (menu_items_used * sizeof *submenu_stack); |
101bb4a5 | 1618 | Lisp_Object *subprefix_stack |
38182d90 | 1619 | = alloca (menu_items_used * sizeof *subprefix_stack); |
101bb4a5 | 1620 | int submenu_depth = 0; |
4e8d3549 | 1621 | |
78c8278d RS |
1622 | int first_pane; |
1623 | ||
9898bd0e | 1624 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 1625 | |
62af879c | 1626 | if (! FRAME_X_P (f)) |
1088b922 | 1627 | emacs_abort (); |
62af879c | 1628 | |
d4323972 | 1629 | *error_name = NULL; |
78589e07 | 1630 | |
742f715d KH |
1631 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1632 | { | |
d4323972 | 1633 | *error_name = "Empty menu"; |
742f715d KH |
1634 | return Qnil; |
1635 | } | |
63c414df | 1636 | |
78589e07 RS |
1637 | /* Create a tree of widget_value objects |
1638 | representing the panes and their items. */ | |
f7fab165 | 1639 | wv = xmalloc_widget_value (); |
78589e07 RS |
1640 | wv->name = "menu"; |
1641 | wv->value = 0; | |
1642 | wv->enabled = 1; | |
3427a3db | 1643 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1644 | wv->help =Qnil; |
78589e07 | 1645 | first_wv = wv; |
78c8278d | 1646 | first_pane = 1; |
177c0ea7 | 1647 | |
78589e07 RS |
1648 | /* Loop over all panes and items, filling in the tree. */ |
1649 | i = 0; | |
1650 | while (i < menu_items_used) | |
1651 | { | |
28be1ada | 1652 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1653 | { |
1654 | submenu_stack[submenu_depth++] = save_wv; | |
1655 | save_wv = prev_wv; | |
1656 | prev_wv = 0; | |
78c8278d | 1657 | first_pane = 1; |
101bb4a5 RS |
1658 | i++; |
1659 | } | |
28be1ada | 1660 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1661 | { |
1662 | prev_wv = save_wv; | |
1663 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1664 | first_pane = 0; |
101bb4a5 RS |
1665 | i++; |
1666 | } | |
28be1ada | 1667 | else if (EQ (AREF (menu_items, i), Qt) |
101bb4a5 RS |
1668 | && submenu_depth != 0) |
1669 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1670 | /* Ignore a nil in the item list. |
1671 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1672 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 1673 | i += 1; |
28be1ada | 1674 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1675 | { |
1676 | /* Create a new pane. */ | |
1677 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 1678 | const char *pane_string; |
177c0ea7 | 1679 | |
4c329aa8 GM |
1680 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1681 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1682 | |
703dc2a8 | 1683 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1684 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1685 | { | |
8af9fa55 | 1686 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1687 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1688 | } |
703dc2a8 | 1689 | #endif |
78589e07 | 1690 | pane_string = (NILP (pane_name) |
51b59d79 | 1691 | ? "" : SSDATA (pane_name)); |
101bb4a5 | 1692 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1693 | under the top-level menu. */ |
1694 | if (menu_items_n_panes == 1) | |
1695 | pane_string = ""; | |
1696 | ||
1697 | /* If the pane has a meaningful name, | |
1698 | make the pane a top-level menu item | |
1699 | with its items as a submenu beneath it. */ | |
78c8278d | 1700 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1701 | { |
f7fab165 | 1702 | wv = xmalloc_widget_value (); |
78589e07 RS |
1703 | if (save_wv) |
1704 | save_wv->next = wv; | |
1705 | else | |
1706 | first_wv->contents = wv; | |
b00876c9 | 1707 | wv->name = (char *) pane_string; |
78589e07 RS |
1708 | if (keymaps && !NILP (prefix)) |
1709 | wv->name++; | |
1710 | wv->value = 0; | |
1711 | wv->enabled = 1; | |
3427a3db | 1712 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1713 | wv->help = Qnil; |
78c8278d RS |
1714 | save_wv = wv; |
1715 | prev_wv = 0; | |
78589e07 | 1716 | } |
78c8278d RS |
1717 | else if (first_pane) |
1718 | { | |
1719 | save_wv = wv; | |
1720 | prev_wv = 0; | |
1721 | } | |
1722 | first_pane = 0; | |
78589e07 RS |
1723 | i += MENU_ITEMS_PANE_LENGTH; |
1724 | } | |
1725 | else | |
1726 | { | |
1727 | /* Create a new item within current pane. */ | |
9cd50434 | 1728 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1729 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1730 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1731 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1732 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1733 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1734 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1735 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1736 | |
703dc2a8 | 1737 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1738 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1739 | { |
646f98ec | 1740 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1741 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1742 | } |
177c0ea7 | 1743 | |
3427a3db | 1744 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1745 | { |
646f98ec | 1746 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1747 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1748 | } |
1749 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1750 | |
f7fab165 | 1751 | wv = xmalloc_widget_value (); |
177c0ea7 | 1752 | if (prev_wv) |
78589e07 | 1753 | prev_wv->next = wv; |
177c0ea7 | 1754 | else |
78589e07 | 1755 | save_wv->contents = wv; |
51b59d79 | 1756 | wv->name = SSDATA (item_name); |
78589e07 | 1757 | if (!NILP (descrip)) |
51b59d79 | 1758 | wv->key = SSDATA (descrip); |
78589e07 | 1759 | wv->value = 0; |
a352a815 RS |
1760 | /* If this item has a null value, |
1761 | make the call_data null so that it won't display a box | |
1762 | when the mouse is on it. */ | |
4939150c | 1763 | wv->call_data = !NILP (def) ? aref_addr (menu_items, i) : 0; |
78589e07 | 1764 | wv->enabled = !NILP (enable); |
3427a3db GM |
1765 | |
1766 | if (NILP (type)) | |
1767 | wv->button_type = BUTTON_TYPE_NONE; | |
1768 | else if (EQ (type, QCtoggle)) | |
1769 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1770 | else if (EQ (type, QCradio)) | |
1771 | wv->button_type = BUTTON_TYPE_RADIO; | |
1772 | else | |
1088b922 | 1773 | emacs_abort (); |
3427a3db GM |
1774 | |
1775 | wv->selected = !NILP (selected); | |
cc45fb40 | 1776 | |
0b1f4572 RS |
1777 | if (! STRINGP (help)) |
1778 | help = Qnil; | |
1779 | ||
1780 | wv->help = help; | |
cc45fb40 | 1781 | |
78589e07 RS |
1782 | prev_wv = wv; |
1783 | ||
1784 | i += MENU_ITEMS_ITEM_LENGTH; | |
1785 | } | |
1786 | } | |
1787 | ||
c98fcf4b | 1788 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1789 | if (!NILP (title)) |
1790 | { | |
f7fab165 RS |
1791 | widget_value *wv_title = xmalloc_widget_value (); |
1792 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1793 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1794 | |
1795 | wv_sep2->name = "--"; | |
1796 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1797 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1798 | |
1799 | wv_sep1->name = "--"; | |
1800 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1801 | wv_sep1->help = Qnil; |
4dedbfe0 | 1802 | |
703dc2a8 KH |
1803 | #ifndef HAVE_MULTILINGUAL_MENU |
1804 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1805 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1806 | #endif |
177c0ea7 | 1807 | |
51b59d79 | 1808 | wv_title->name = SSDATA (title); |
cc45fb40 | 1809 | wv_title->enabled = TRUE; |
3427a3db | 1810 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1811 | wv_title->help = Qnil; |
a9d8395f | 1812 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1813 | first_wv->contents = wv_title; |
1814 | } | |
1815 | ||
78589e07 RS |
1816 | /* No selection has been chosen yet. */ |
1817 | menu_item_selection = 0; | |
1818 | ||
ba24cea2 YM |
1819 | /* Make sure to free the widget_value objects we used to specify the |
1820 | contents even with longjmp. */ | |
27e498e6 | 1821 | record_unwind_protect_ptr (cleanup_widget_value_tree, first_wv); |
ba24cea2 | 1822 | |
488dd4c4 | 1823 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1824 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1825 | |
ba24cea2 | 1826 | unbind_to (specpdl_count, Qnil); |
18686d47 | 1827 | |
78589e07 RS |
1828 | /* Find the selected item, and its pane, to return |
1829 | the proper value. */ | |
1830 | if (menu_item_selection != 0) | |
1831 | { | |
c63f6952 | 1832 | Lisp_Object prefix, entry; |
78589e07 | 1833 | |
6bbd7a29 | 1834 | prefix = entry = Qnil; |
78589e07 RS |
1835 | i = 0; |
1836 | while (i < menu_items_used) | |
1837 | { | |
28be1ada | 1838 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1839 | { |
1840 | subprefix_stack[submenu_depth++] = prefix; | |
1841 | prefix = entry; | |
1842 | i++; | |
1843 | } | |
28be1ada | 1844 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1845 | { |
1846 | prefix = subprefix_stack[--submenu_depth]; | |
1847 | i++; | |
1848 | } | |
28be1ada | 1849 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1850 | { |
1851 | prefix | |
28be1ada | 1852 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
1853 | i += MENU_ITEMS_PANE_LENGTH; |
1854 | } | |
d31d42cc RS |
1855 | /* Ignore a nil in the item list. |
1856 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1857 | else if (EQ (AREF (menu_items, i), Qquote)) |
d31d42cc | 1858 | i += 1; |
78589e07 RS |
1859 | else |
1860 | { | |
1861 | entry | |
28be1ada | 1862 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 1863 | if (menu_item_selection == aref_addr (menu_items, i)) |
78589e07 | 1864 | { |
7cded46f | 1865 | if (keymaps) |
78589e07 | 1866 | { |
101bb4a5 RS |
1867 | int j; |
1868 | ||
6c6f1994 | 1869 | entry = list1 (entry); |
78589e07 RS |
1870 | if (!NILP (prefix)) |
1871 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1872 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1873 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1874 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1875 | } |
1876 | return entry; | |
1877 | } | |
1878 | i += MENU_ITEMS_ITEM_LENGTH; | |
1879 | } | |
1880 | } | |
1881 | } | |
be6ed24a RS |
1882 | else if (!for_click) |
1883 | /* Make "Cancel" equivalent to C-g. */ | |
1884 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1885 | |
1886 | return Qnil; | |
18686d47 | 1887 | } |
4dedbfe0 | 1888 | \f |
488dd4c4 JD |
1889 | #ifdef USE_GTK |
1890 | static void | |
971de7fb | 1891 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 1892 | { |
8ac068ac | 1893 | /* Treat the pointer as an integer. There's no problem |
488dd4c4 | 1894 | as long as pointers have enough bits to hold small integers. */ |
d01a7826 | 1895 | if ((intptr_t) client_data != -1) |
488dd4c4 JD |
1896 | menu_item_selection = (Lisp_Object *) client_data; |
1897 | ||
1898 | popup_activated_flag = 0; | |
1899 | } | |
1900 | ||
1901 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1902 | dialog pops down. | |
1903 | menu_item_selection will be set to the selection. */ | |
1904 | static void | |
971de7fb | 1905 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1906 | { |
1907 | GtkWidget *menu; | |
1908 | ||
62af879c | 1909 | if (! FRAME_X_P (f)) |
1088b922 | 1910 | emacs_abort (); |
62af879c | 1911 | |
488dd4c4 JD |
1912 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1913 | G_CALLBACK (dialog_selection_callback), | |
1914 | G_CALLBACK (popup_deactivate_callback), | |
1915 | 0); | |
1916 | ||
1917 | if (menu) | |
1918 | { | |
d311d28c | 1919 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
27e498e6 | 1920 | record_unwind_protect_ptr (pop_down_menu, menu); |
af89e871 | 1921 | |
488dd4c4 JD |
1922 | /* Display the menu. */ |
1923 | gtk_widget_show_all (menu); | |
1924 | ||
1925 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1926 | popup_widget_loop (1, menu); |
177c0ea7 | 1927 | |
af89e871 | 1928 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1929 | } |
1930 | } | |
1931 | ||
1932 | #else /* not USE_GTK */ | |
4dedbfe0 | 1933 | static void |
ebd15611 | 1934 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1935 | { |
4475bec4 | 1936 | /* Treat the pointer as an integer. There's no problem |
01d5e892 | 1937 | as long as pointers have enough bits to hold small integers. */ |
4475bec4 | 1938 | if ((intptr_t) client_data != -1) |
4dedbfe0 | 1939 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1940 | |
4d7e6e51 | 1941 | block_input (); |
4dedbfe0 | 1942 | lw_destroy_all_widgets (id); |
4d7e6e51 | 1943 | unblock_input (); |
9572375b | 1944 | popup_activated_flag = 0; |
4dedbfe0 | 1945 | } |
18686d47 | 1946 | |
488dd4c4 | 1947 | |
488dd4c4 JD |
1948 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1949 | dialog pops down. | |
1950 | menu_item_selection will be set to the selection. */ | |
1951 | static void | |
ebd15611 | 1952 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1953 | { |
1954 | LWLIB_ID dialog_id; | |
1955 | ||
62af879c | 1956 | if (!FRAME_X_P (f)) |
1088b922 | 1957 | emacs_abort (); |
62af879c | 1958 | |
488dd4c4 | 1959 | dialog_id = widget_id_tick++; |
52214050 | 1960 | #ifdef USE_LUCID |
1ecb2d3f JD |
1961 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1962 | #endif | |
488dd4c4 JD |
1963 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1964 | f->output_data.x->widget, 1, 0, | |
1965 | dialog_selection_callback, 0, 0); | |
1966 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1967 | /* Display the dialog box. */ |
1968 | lw_pop_up_all_widgets (dialog_id); | |
1969 | popup_activated_flag = 1; | |
98a20c65 | 1970 | x_activate_timeout_atimer (); |
488dd4c4 JD |
1971 | |
1972 | /* Process events that apply to the dialog box. | |
1973 | Also handle timers. */ | |
1974 | { | |
d311d28c | 1975 | ptrdiff_t count = SPECPDL_INDEX (); |
488dd4c4 | 1976 | int fact = 4 * sizeof (LWLIB_ID); |
177c0ea7 | 1977 | |
488dd4c4 | 1978 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 1979 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
1980 | Fcons (make_number (dialog_id >> (fact)), |
1981 | make_number (dialog_id & ~(-1 << (fact))))); | |
1982 | ||
df470e3b | 1983 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 1984 | dialog_id, 1); |
488dd4c4 JD |
1985 | |
1986 | unbind_to (count, Qnil); | |
1987 | } | |
1988 | } | |
1989 | ||
1990 | #endif /* not USE_GTK */ | |
1991 | ||
42ca4633 | 1992 | static const char * button_names [] = { |
165e1749 FP |
1993 | "button1", "button2", "button3", "button4", "button5", |
1994 | "button6", "button7", "button8", "button9", "button10" }; | |
1995 | ||
1996 | static Lisp_Object | |
42ca4633 | 1997 | xdialog_show (FRAME_PTR f, |
7cded46f | 1998 | bool keymaps, |
42ca4633 J |
1999 | Lisp_Object title, |
2000 | Lisp_Object header, | |
2001 | const char **error_name) | |
165e1749 FP |
2002 | { |
2003 | int i, nb_buttons=0; | |
80670155 | 2004 | char dialog_name[6]; |
165e1749 | 2005 | |
faa935b6 | 2006 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 2007 | |
fcaa7665 RS |
2008 | /* Number of elements seen so far, before boundary. */ |
2009 | int left_count = 0; | |
2010 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
2011 | int boundary_seen = 0; | |
2012 | ||
9898bd0e | 2013 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 2014 | |
62af879c | 2015 | if (! FRAME_X_P (f)) |
1088b922 | 2016 | emacs_abort (); |
62af879c | 2017 | |
6a040d6a | 2018 | *error_name = NULL; |
165e1749 | 2019 | |
80670155 RS |
2020 | if (menu_items_n_panes > 1) |
2021 | { | |
6a040d6a | 2022 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2023 | return Qnil; |
2024 | } | |
2025 | ||
165e1749 FP |
2026 | /* Create a tree of widget_value objects |
2027 | representing the text label and buttons. */ | |
2028 | { | |
2029 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2030 | const char *pane_string; |
28be1ada DA |
2031 | pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME); |
2032 | prefix = AREF (menu_items, MENU_ITEMS_PANE_PREFIX); | |
165e1749 | 2033 | pane_string = (NILP (pane_name) |
51b59d79 | 2034 | ? "" : SSDATA (pane_name)); |
f7fab165 | 2035 | prev_wv = xmalloc_widget_value (); |
b00876c9 | 2036 | prev_wv->value = (char *) pane_string; |
165e1749 FP |
2037 | if (keymaps && !NILP (prefix)) |
2038 | prev_wv->name++; | |
2039 | prev_wv->enabled = 1; | |
2040 | prev_wv->name = "message"; | |
27ad7b52 | 2041 | prev_wv->help = Qnil; |
165e1749 | 2042 | first_wv = prev_wv; |
177c0ea7 | 2043 | |
165e1749 FP |
2044 | /* Loop over all panes and items, filling in the tree. */ |
2045 | i = MENU_ITEMS_PANE_LENGTH; | |
2046 | while (i < menu_items_used) | |
2047 | { | |
177c0ea7 | 2048 | |
165e1749 FP |
2049 | /* Create a new item within current pane. */ |
2050 | Lisp_Object item_name, enable, descrip; | |
28be1ada DA |
2051 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2052 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
165e1749 | 2053 | descrip |
28be1ada | 2054 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
177c0ea7 | 2055 | |
80670155 RS |
2056 | if (NILP (item_name)) |
2057 | { | |
2058 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2059 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2060 | return Qnil; |
2061 | } | |
fcaa7665 RS |
2062 | if (EQ (item_name, Qquote)) |
2063 | { | |
2064 | /* This is the boundary between left-side elts | |
2065 | and right-side elts. Stop incrementing right_count. */ | |
2066 | boundary_seen = 1; | |
2067 | i++; | |
2068 | continue; | |
2069 | } | |
86e71abf | 2070 | if (nb_buttons >= 9) |
80670155 RS |
2071 | { |
2072 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2073 | *error_name = "Too many dialog items"; |
80670155 RS |
2074 | return Qnil; |
2075 | } | |
2076 | ||
f7fab165 | 2077 | wv = xmalloc_widget_value (); |
165e1749 | 2078 | prev_wv->next = wv; |
80670155 | 2079 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2080 | if (!NILP (descrip)) |
51b59d79 PE |
2081 | wv->key = SSDATA (descrip); |
2082 | wv->value = SSDATA (item_name); | |
4939150c | 2083 | wv->call_data = aref_addr (menu_items, i); |
165e1749 | 2084 | wv->enabled = !NILP (enable); |
27ad7b52 | 2085 | wv->help = Qnil; |
165e1749 FP |
2086 | prev_wv = wv; |
2087 | ||
fcaa7665 RS |
2088 | if (! boundary_seen) |
2089 | left_count++; | |
2090 | ||
165e1749 FP |
2091 | nb_buttons++; |
2092 | i += MENU_ITEMS_ITEM_LENGTH; | |
2093 | } | |
2094 | ||
fcaa7665 RS |
2095 | /* If the boundary was not specified, |
2096 | by default put half on the left and half on the right. */ | |
2097 | if (! boundary_seen) | |
2098 | left_count = nb_buttons - nb_buttons / 2; | |
2099 | ||
f7fab165 | 2100 | wv = xmalloc_widget_value (); |
80670155 | 2101 | wv->name = dialog_name; |
27ad7b52 | 2102 | wv->help = Qnil; |
6a040d6a NR |
2103 | |
2104 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2105 | Can also have 'E' = Error if, one day, we want | |
2106 | a popup for errors. */ | |
5e617bc2 | 2107 | if (NILP (header)) |
6a040d6a NR |
2108 | dialog_name[0] = 'Q'; |
2109 | else | |
2110 | dialog_name[0] = 'I'; | |
2111 | ||
80670155 RS |
2112 | /* Dialog boxes use a really stupid name encoding |
2113 | which specifies how many buttons to use | |
6a040d6a | 2114 | and how many buttons are on the right. */ |
80670155 RS |
2115 | dialog_name[1] = '0' + nb_buttons; |
2116 | dialog_name[2] = 'B'; | |
2117 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2118 | /* Number of buttons to put on the right. */ |
2119 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2120 | dialog_name[5] = 0; |
165e1749 FP |
2121 | wv->contents = first_wv; |
2122 | first_wv = wv; | |
165e1749 FP |
2123 | } |
2124 | ||
165e1749 FP |
2125 | /* No selection has been chosen yet. */ |
2126 | menu_item_selection = 0; | |
2127 | ||
ba24cea2 YM |
2128 | /* Make sure to free the widget_value objects we used to specify the |
2129 | contents even with longjmp. */ | |
27e498e6 | 2130 | record_unwind_protect_ptr (cleanup_widget_value_tree, first_wv); |
ba24cea2 | 2131 | |
488dd4c4 JD |
2132 | /* Actually create and show the dialog. */ |
2133 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2134 | |
ba24cea2 | 2135 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 2136 | |
488dd4c4 JD |
2137 | /* Find the selected item, and its pane, to return |
2138 | the proper value. */ | |
165e1749 FP |
2139 | if (menu_item_selection != 0) |
2140 | { | |
2141 | Lisp_Object prefix; | |
2142 | ||
2143 | prefix = Qnil; | |
2144 | i = 0; | |
2145 | while (i < menu_items_used) | |
2146 | { | |
2147 | Lisp_Object entry; | |
2148 | ||
28be1ada | 2149 | if (EQ (AREF (menu_items, i), Qt)) |
165e1749 FP |
2150 | { |
2151 | prefix | |
28be1ada | 2152 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
165e1749 FP |
2153 | i += MENU_ITEMS_PANE_LENGTH; |
2154 | } | |
28be1ada | 2155 | else if (EQ (AREF (menu_items, i), Qquote)) |
85996cfb GM |
2156 | { |
2157 | /* This is the boundary between left-side elts and | |
2158 | right-side elts. */ | |
2159 | ++i; | |
2160 | } | |
165e1749 FP |
2161 | else |
2162 | { | |
2163 | entry | |
28be1ada | 2164 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 2165 | if (menu_item_selection == aref_addr (menu_items, i)) |
165e1749 FP |
2166 | { |
2167 | if (keymaps != 0) | |
2168 | { | |
6c6f1994 | 2169 | entry = list1 (entry); |
165e1749 FP |
2170 | if (!NILP (prefix)) |
2171 | entry = Fcons (prefix, entry); | |
2172 | } | |
2173 | return entry; | |
2174 | } | |
2175 | i += MENU_ITEMS_ITEM_LENGTH; | |
2176 | } | |
2177 | } | |
2178 | } | |
9f6fcdc5 JD |
2179 | else |
2180 | /* Make "Cancel" equivalent to C-g. */ | |
2181 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2182 | |
2183 | return Qnil; | |
2184 | } | |
ba461919 | 2185 | |
488dd4c4 | 2186 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2187 | |
3e703b25 GM |
2188 | /* The frame of the last activated non-toolkit menu bar. |
2189 | Used to generate menu help events. */ | |
2190 | ||
2191 | static struct frame *menu_help_frame; | |
2192 | ||
2193 | ||
62145073 GM |
2194 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2195 | ||
2196 | PANE is the pane number, and ITEM is the menu item number in | |
2197 | the menu (currently not used). | |
177c0ea7 | 2198 | |
62145073 GM |
2199 | This cannot be done with generating a HELP_EVENT because |
2200 | XMenuActivate contains a loop that doesn't let Emacs process | |
2201 | keyboard events. */ | |
3e703b25 GM |
2202 | |
2203 | static void | |
eb18f6cc | 2204 | menu_help_callback (char const *help_string, int pane, int item) |
3e703b25 | 2205 | { |
62145073 GM |
2206 | Lisp_Object *first_item; |
2207 | Lisp_Object pane_name; | |
2208 | Lisp_Object menu_object; | |
177c0ea7 | 2209 | |
62145073 GM |
2210 | first_item = XVECTOR (menu_items)->contents; |
2211 | if (EQ (first_item[0], Qt)) | |
2212 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2213 | else if (EQ (first_item[0], Qquote)) | |
2214 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2215 | pane_name = empty_unibyte_string; |
62145073 GM |
2216 | else |
2217 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2218 | |
62145073 | 2219 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
6c6f1994 | 2220 | menu_object = list3 (Qmenu_item, pane_name, make_number (pane)); |
ba461919 | 2221 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
f868cd8a | 2222 | Qnil, menu_object, make_number (item)); |
3e703b25 | 2223 | } |
177c0ea7 | 2224 | |
27e498e6 | 2225 | static void |
0521f580 | 2226 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2227 | { |
3346c1d0 DA |
2228 | FRAME_PTR f = XSAVE_POINTER (arg, 0); |
2229 | XMenu *menu = XSAVE_POINTER (arg, 1); | |
af89e871 | 2230 | |
4d7e6e51 | 2231 | block_input (); |
af89e871 | 2232 | #ifndef MSDOS |
a130b901 JD |
2233 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2234 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2235 | #endif |
a130b901 | 2236 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2237 | |
2238 | #ifdef HAVE_X_WINDOWS | |
2239 | /* Assume the mouse has moved out of the X window. | |
2240 | If it has actually moved in, we will get an EnterNotify. */ | |
2241 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2242 | ||
2243 | /* State that no mouse buttons are now held. | |
2244 | (The oldXMenu code doesn't track this info for us.) | |
2245 | That is not necessarily true, but the fiction leads to reasonable | |
2246 | results, and it is a pain to ask which are actually held now. */ | |
2247 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2248 | ||
2249 | #endif /* HAVE_X_WINDOWS */ | |
2250 | ||
4d7e6e51 | 2251 | unblock_input (); |
af89e871 JD |
2252 | } |
2253 | ||
3e703b25 | 2254 | |
1fb99a3a | 2255 | Lisp_Object |
7cded46f | 2256 | xmenu_show (FRAME_PTR f, int x, int y, bool for_click, bool keymaps, |
08dc5ae6 | 2257 | Lisp_Object title, const char **error_name, Time timestamp) |
dcfdbac7 | 2258 | { |
177c0ea7 | 2259 | Window root; |
78589e07 RS |
2260 | XMenu *menu; |
2261 | int pane, selidx, lpane, status; | |
2262 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2263 | char *datap; |
2264 | int ulx, uly, width, height; | |
2265 | int dispwidth, dispheight; | |
453a4f1b | 2266 | int i, j, lines, maxlines; |
4e8d3549 | 2267 | int maxwidth; |
78589e07 RS |
2268 | int dummy_int; |
2269 | unsigned int dummy_uint; | |
d311d28c | 2270 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2271 | |
a9e1244d | 2272 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
1088b922 | 2273 | emacs_abort (); |
62af879c | 2274 | |
bf501fb9 | 2275 | *error_name = 0; |
78589e07 RS |
2276 | if (menu_items_n_panes == 0) |
2277 | return Qnil; | |
088831f6 | 2278 | |
742f715d KH |
2279 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2280 | { | |
bf501fb9 | 2281 | *error_name = "Empty menu"; |
742f715d KH |
2282 | return Qnil; |
2283 | } | |
2284 | ||
78589e07 | 2285 | /* Figure out which root window F is on. */ |
92280f67 | 2286 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2287 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2288 | &dummy_uint, &dummy_uint); | |
18686d47 | 2289 | |
78589e07 | 2290 | /* Make the menu on that window. */ |
92280f67 | 2291 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2292 | if (menu == NULL) |
dcfdbac7 | 2293 | { |
bf501fb9 | 2294 | *error_name = "Can't create menu"; |
78589e07 | 2295 | return Qnil; |
dcfdbac7 | 2296 | } |
78589e07 | 2297 | |
d130d129 RS |
2298 | /* Don't GC while we prepare and show the menu, |
2299 | because we give the oldxmenu library pointers to the | |
2300 | contents of strings. */ | |
2301 | inhibit_garbage_collection (); | |
2302 | ||
87485d6f | 2303 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2304 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2305 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2306 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2307 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2308 | |
2309 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2310 | x += f->left_pos; |
2311 | y += f->top_pos; | |
177c0ea7 | 2312 | |
78589e07 | 2313 | /* Create all the necessary panes and their items. */ |
eef9bc79 PE |
2314 | maxwidth = maxlines = lines = i = 0; |
2315 | lpane = XM_FAILURE; | |
78589e07 | 2316 | while (i < menu_items_used) |
dcfdbac7 | 2317 | { |
28be1ada | 2318 | if (EQ (AREF (menu_items, i), Qt)) |
dcfdbac7 | 2319 | { |
78589e07 RS |
2320 | /* Create a new pane. */ |
2321 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2322 | const char *pane_string; |
78589e07 | 2323 | |
453a4f1b JD |
2324 | maxlines = max (maxlines, lines); |
2325 | lines = 0; | |
28be1ada DA |
2326 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
2327 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
78589e07 | 2328 | pane_string = (NILP (pane_name) |
51b59d79 | 2329 | ? "" : SSDATA (pane_name)); |
78589e07 RS |
2330 | if (keymaps && !NILP (prefix)) |
2331 | pane_string++; | |
2332 | ||
92280f67 | 2333 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2334 | if (lpane == XM_FAILURE) |
2335 | { | |
92280f67 | 2336 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2337 | *error_name = "Can't create pane"; |
78589e07 RS |
2338 | return Qnil; |
2339 | } | |
2340 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2341 | |
2342 | /* Find the width of the widest item in this pane. */ | |
4e8d3549 RS |
2343 | j = i; |
2344 | while (j < menu_items_used) | |
2345 | { | |
2346 | Lisp_Object item; | |
28be1ada | 2347 | item = AREF (menu_items, j); |
4e8d3549 RS |
2348 | if (EQ (item, Qt)) |
2349 | break; | |
2350 | if (NILP (item)) | |
2351 | { | |
2352 | j++; | |
2353 | continue; | |
2354 | } | |
d5db4077 | 2355 | width = SBYTES (item); |
4e8d3549 RS |
2356 | if (width > maxwidth) |
2357 | maxwidth = width; | |
2358 | ||
2359 | j += MENU_ITEMS_ITEM_LENGTH; | |
2360 | } | |
dcfdbac7 | 2361 | } |
fcaa7665 RS |
2362 | /* Ignore a nil in the item list. |
2363 | It's meaningful only for dialog boxes. */ | |
28be1ada | 2364 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 2365 | i += 1; |
78589e07 | 2366 | else |
dcfdbac7 | 2367 | { |
78589e07 | 2368 | /* Create a new item within current pane. */ |
3e703b25 | 2369 | Lisp_Object item_name, enable, descrip, help; |
eb18f6cc PE |
2370 | char *item_data; |
2371 | char const *help_string; | |
78589e07 | 2372 | |
28be1ada DA |
2373 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2374 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
78589e07 | 2375 | descrip |
28be1ada DA |
2376 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
2377 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
eb18f6cc | 2378 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
177c0ea7 | 2379 | |
78589e07 | 2380 | if (!NILP (descrip)) |
4e8d3549 | 2381 | { |
4e8d3549 RS |
2382 | /* if alloca is fast, use that to make the space, |
2383 | to reduce gc needs. */ | |
38182d90 | 2384 | item_data = alloca (maxwidth + SBYTES (descrip) + 1); |
eb18f6cc | 2385 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); |
d5db4077 | 2386 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2387 | item_data[j] = ' '; |
eb18f6cc | 2388 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2389 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2390 | } |
2391 | else | |
eb18f6cc | 2392 | item_data = SSDATA (item_name); |
78589e07 | 2393 | |
eef9bc79 PE |
2394 | if (lpane == XM_FAILURE |
2395 | || (XMenuAddSelection (FRAME_X_DISPLAY (f), | |
2396 | menu, lpane, 0, item_data, | |
2397 | !NILP (enable), help_string) | |
2398 | == XM_FAILURE)) | |
dcfdbac7 | 2399 | { |
92280f67 | 2400 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2401 | *error_name = "Can't add selection to menu"; |
78589e07 | 2402 | return Qnil; |
dcfdbac7 | 2403 | } |
78589e07 | 2404 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2405 | lines++; |
dcfdbac7 JB |
2406 | } |
2407 | } | |
4e8d3549 | 2408 | |
453a4f1b JD |
2409 | maxlines = max (maxlines, lines); |
2410 | ||
78589e07 | 2411 | /* All set and ready to fly. */ |
92280f67 | 2412 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2413 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2414 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2415 | x = min (x, dispwidth); |
2416 | y = min (y, dispheight); | |
2417 | x = max (x, 1); | |
2418 | y = max (y, 1); | |
92280f67 | 2419 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2420 | &ulx, &uly, &width, &height); |
2421 | if (ulx+width > dispwidth) | |
2422 | { | |
78589e07 | 2423 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2424 | ulx = dispwidth - width; |
2425 | } | |
2426 | if (uly+height > dispheight) | |
2427 | { | |
78589e07 | 2428 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2429 | uly = dispheight - height; |
2430 | } | |
2de7397f EZ |
2431 | #ifndef HAVE_X_WINDOWS |
2432 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2433 | { | |
2434 | /* Move the menu away of the echo area, to avoid overwriting the | |
2435 | menu with help echo messages or vice versa. */ | |
2436 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2437 | { | |
2438 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2439 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2440 | } | |
2441 | else | |
2442 | { | |
2443 | y--; | |
2444 | uly--; | |
2445 | } | |
2446 | } | |
2447 | #endif | |
78589e07 RS |
2448 | if (ulx < 0) x -= ulx; |
2449 | if (uly < 0) y -= uly; | |
121e4555 | 2450 | |
453a4f1b JD |
2451 | if (! for_click) |
2452 | { | |
2453 | /* If position was not given by a mouse click, adjust so upper left | |
2454 | corner of the menu as a whole ends up at given coordinates. This | |
2455 | is what x-popup-menu says in its documentation. */ | |
2456 | x += width/2; | |
2457 | y += 1.5*height/(maxlines+2); | |
2458 | } | |
2459 | ||
121e4555 | 2460 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2461 | XMenuSetFreeze (menu, TRUE); |
2462 | pane = selidx = 0; | |
3e703b25 | 2463 | |
c3438661 JD |
2464 | #ifndef MSDOS |
2465 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2466 | #endif | |
59cfb104 | 2467 | |
1396ac86 | 2468 | record_unwind_protect (pop_down_menu, make_save_ptr_ptr (f, menu)); |
c3438661 | 2469 | |
3e703b25 GM |
2470 | /* Help display under X won't work because XMenuActivate contains |
2471 | a loop that doesn't give Emacs a chance to process it. */ | |
2472 | menu_help_frame = f; | |
92280f67 | 2473 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2474 | x, y, ButtonReleaseMask, &datap, |
2475 | menu_help_callback); | |
eef9bc79 | 2476 | entry = pane_prefix = Qnil; |
a352a815 | 2477 | |
dcfdbac7 JB |
2478 | switch (status) |
2479 | { | |
2480 | case XM_SUCCESS: | |
2481 | #ifdef XDEBUG | |
2482 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2483 | #endif | |
fa6d54d9 | 2484 | |
78589e07 RS |
2485 | /* Find the item number SELIDX in pane number PANE. */ |
2486 | i = 0; | |
2487 | while (i < menu_items_used) | |
fa6d54d9 | 2488 | { |
28be1ada | 2489 | if (EQ (AREF (menu_items, i), Qt)) |
088831f6 | 2490 | { |
78589e07 RS |
2491 | if (pane == 0) |
2492 | pane_prefix | |
28be1ada | 2493 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
2494 | pane--; |
2495 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2496 | } |
78589e07 | 2497 | else |
ab6ee1a0 | 2498 | { |
78589e07 | 2499 | if (pane == -1) |
ab6ee1a0 | 2500 | { |
78589e07 | 2501 | if (selidx == 0) |
ab6ee1a0 | 2502 | { |
78589e07 | 2503 | entry |
28be1ada | 2504 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
7cded46f | 2505 | if (keymaps) |
ab6ee1a0 | 2506 | { |
6c6f1994 | 2507 | entry = list1 (entry); |
78589e07 RS |
2508 | if (!NILP (pane_prefix)) |
2509 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2510 | } |
78589e07 | 2511 | break; |
ab6ee1a0 | 2512 | } |
78589e07 | 2513 | selidx--; |
ab6ee1a0 | 2514 | } |
78589e07 | 2515 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2516 | } |
2517 | } | |
78589e07 | 2518 | break; |
dcfdbac7 | 2519 | |
78589e07 | 2520 | case XM_FAILURE: |
bf501fb9 | 2521 | *error_name = "Can't activate menu"; |
78589e07 | 2522 | case XM_IA_SELECT: |
9f6fcdc5 | 2523 | break; |
78589e07 | 2524 | case XM_NO_SELECT: |
be6ed24a RS |
2525 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2526 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2527 | if (! for_click) |
2528 | Fsignal (Qquit, Qnil); | |
78589e07 | 2529 | break; |
dcfdbac7 | 2530 | } |
a5285df3 | 2531 | |
af89e871 | 2532 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2533 | |
78589e07 | 2534 | return entry; |
dcfdbac7 | 2535 | } |
4dedbfe0 | 2536 | |
78589e07 | 2537 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2538 | |
2539 | #endif /* HAVE_MENUS */ | |
e3135734 | 2540 | |
d009ae66 EZ |
2541 | #ifndef MSDOS |
2542 | /* Detect if a dialog or menu has been posted. MSDOS has its own | |
2543 | implementation on msdos.c. */ | |
b79b8a1c | 2544 | |
077288cf | 2545 | int ATTRIBUTE_CONST |
971de7fb | 2546 | popup_activated (void) |
b79b8a1c CY |
2547 | { |
2548 | return popup_activated_flag; | |
2549 | } | |
d009ae66 | 2550 | #endif /* not MSDOS */ |
e3135734 CY |
2551 | |
2552 | /* The following is used by delayed window autoselection. */ | |
2553 | ||
2554 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2555 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2556 | (void) |
e3135734 CY |
2557 | { |
2558 | #ifdef HAVE_MENUS | |
2559 | return (popup_activated ()) ? Qt : Qnil; | |
2560 | #else | |
2561 | return Qnil; | |
2562 | #endif /* HAVE_MENUS */ | |
2563 | } | |
088831f6 | 2564 | \f |
dfcf069d | 2565 | void |
971de7fb | 2566 | syms_of_xmenu (void) |
dcfdbac7 | 2567 | { |
cd3520a4 | 2568 | DEFSYM (Qdebug_on_next_call, "debug-on-next-call"); |
0314aacb | 2569 | |
8ed87156 | 2570 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2571 | widget_id_tick = (1<<16); |
88766961 | 2572 | next_menubar_widget_id = 1; |
8ed87156 RS |
2573 | #endif |
2574 | ||
508fb067 | 2575 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2576 | |
2577 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2578 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2579 | Ffset (intern_c_string ("accelerate-menu"), |
2580 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2581 | #endif |
2582 | ||
1e659e4c | 2583 | #ifdef HAVE_MENUS |
165e1749 | 2584 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2585 | #endif |
dcfdbac7 | 2586 | } |