Commit | Line | Data |
---|---|---|
dcfdbac7 | 1 | /* X Communication module for terminals which understand the X protocol. |
95df8112 | 2 | |
acaf905b | 3 | Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2012 |
95df8112 | 4 | Free Software Foundation, Inc. |
dcfdbac7 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
dcfdbac7 | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
dcfdbac7 JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
dcfdbac7 | 20 | |
c9e60620 | 21 | /* X pop-up deck-of-cards menu facility for GNU Emacs. |
dcfdbac7 JB |
22 | * |
23 | * Written by Jon Arnold and Roman Budzianowski | |
24 | * Mods and rewrite by Robert Krawitz | |
25 | * | |
26 | */ | |
27 | ||
18686d47 RS |
28 | /* Modified by Fred Pierresteguy on December 93 |
29 | to make the popup menus and menubar use the Xt. */ | |
30 | ||
78589e07 RS |
31 | /* Rewritten for clarity and GC protection by rms in Feb 94. */ |
32 | ||
68c45bf0 PE |
33 | #include <config.h> |
34 | ||
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 FP |
225 | |
226 | check_x (); | |
227 | ||
99fe880d | 228 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 229 | if (EQ (position, Qt) |
2b06561a DL |
230 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
231 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 232 | { |
b14db4d7 | 233 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 234 | /* Use the mouse's current position. */ |
b404828f | 235 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 236 | Lisp_Object bar_window; |
cc45fb40 | 237 | enum scroll_bar_part part; |
08dc5ae6 | 238 | Time time; |
99fe880d | 239 | Lisp_Object x, y; |
165e1749 | 240 | |
46b657e2 | 241 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 242 | |
99fe880d | 243 | if (new_f != 0) |
a39f0477 | 244 | XSETFRAME (window, new_f); |
99fe880d RS |
245 | else |
246 | window = selected_window; | |
b14db4d7 | 247 | #endif |
88d4f6ec | 248 | window = selected_window; |
99fe880d RS |
249 | } |
250 | else if (CONSP (position)) | |
251 | { | |
7d7bbefd | 252 | Lisp_Object tem = XCAR (position); |
b5bb2705 | 253 | if (CONSP (tem)) |
34348bd4 | 254 | window = Fcar (XCDR (position)); |
80670155 RS |
255 | else |
256 | { | |
34348bd4 | 257 | tem = Fcar (XCDR (position)); /* EVENT_START (position) */ |
99fe880d | 258 | window = Fcar (tem); /* POSN_WINDOW (tem) */ |
165e1749 | 259 | } |
165e1749 | 260 | } |
99fe880d RS |
261 | else if (WINDOWP (position) || FRAMEP (position)) |
262 | window = position; | |
a9be6839 RS |
263 | else |
264 | window = Qnil; | |
165e1749 | 265 | |
99fe880d | 266 | /* Decode where to put the menu. */ |
165e1749 | 267 | |
b5bb2705 | 268 | if (FRAMEP (window)) |
99fe880d | 269 | f = XFRAME (window); |
b5bb2705 | 270 | else if (WINDOWP (window)) |
165e1749 | 271 | { |
b7826503 | 272 | CHECK_LIVE_WINDOW (window); |
99fe880d | 273 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 274 | } |
99fe880d RS |
275 | else |
276 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
277 | but I don't want to make one now. */ | |
b7826503 | 278 | CHECK_WINDOW (window); |
165e1749 | 279 | |
a9e1244d EZ |
280 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
281 | error ("Can not put X dialog on this terminal"); | |
62af879c | 282 | |
5da9fdfa YM |
283 | /* Force a redisplay before showing the dialog. If a frame is created |
284 | just before showing the dialog, its contents may not have been fully | |
285 | drawn, as this depends on timing of events from the X server. Redisplay | |
286 | is not done when a dialog is shown. If redisplay could be done in the | |
287 | X event loop (i.e. the X event loop does not run in a signal handler) | |
288 | this would not be needed. | |
289 | ||
290 | Do this before creating the widget value that points to Lisp | |
291 | string contents, because Fredisplay may GC and relocate them. */ | |
292 | Fredisplay (Qt); | |
293 | ||
488dd4c4 | 294 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
295 | /* Display a menu with these alternatives |
296 | in the middle of frame F. */ | |
297 | { | |
298 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
299 | XSETFRAME (frame, f); |
300 | XSETINT (x, x_pixel_width (f) / 2); | |
301 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
302 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
303 | ||
304 | return Fx_popup_menu (newpos, | |
305 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
306 | } | |
307 | #else | |
308 | { | |
309 | Lisp_Object title; | |
42ca4633 | 310 | const char *error_name; |
99fe880d | 311 | Lisp_Object selection; |
d311d28c | 312 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
165e1749 | 313 | |
99fe880d RS |
314 | /* Decode the dialog items from what was specified. */ |
315 | title = Fcar (contents); | |
b7826503 | 316 | CHECK_STRING (title); |
86fad4ec | 317 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 318 | |
6b61353c KH |
319 | if (NILP (Fcar (Fcdr (contents)))) |
320 | /* No buttons specified, add an "Ok" button so users can pop down | |
321 | the dialog. Also, the lesstif/motif version crashes if there are | |
322 | no buttons. */ | |
323 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 324 | |
99fe880d | 325 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 326 | |
99fe880d | 327 | /* Display them in a dialog box. */ |
4d7e6e51 | 328 | block_input (); |
6a040d6a | 329 | selection = xdialog_show (f, 0, title, header, &error_name); |
4d7e6e51 | 330 | unblock_input (); |
165e1749 | 331 | |
86fad4ec | 332 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
333 | discard_menu_items (); |
334 | ||
f390e2d5 | 335 | if (error_name) error ("%s", error_name); |
99fe880d RS |
336 | return selection; |
337 | } | |
7464b131 | 338 | #endif |
392d3f4b | 339 | } |
c3438661 JD |
340 | |
341 | ||
342 | #ifndef MSDOS | |
343 | ||
4475bec4 PE |
344 | #if defined USE_GTK || defined USE_MOTIF |
345 | ||
b3935289 JD |
346 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
347 | ||
348 | void | |
971de7fb | 349 | x_menu_set_in_use (int in_use) |
b3935289 JD |
350 | { |
351 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 352 | popup_activated_flag = in_use; |
73dba342 | 353 | #ifdef USE_X_TOOLKIT |
98a20c65 CY |
354 | if (popup_activated_flag) |
355 | x_activate_timeout_atimer (); | |
73dba342 | 356 | #endif |
b3935289 JD |
357 | } |
358 | ||
4475bec4 PE |
359 | #endif |
360 | ||
c3438661 JD |
361 | /* Wait for an X event to arrive or for a timer to expire. */ |
362 | ||
6f37259d PE |
363 | #ifndef USE_MOTIF |
364 | static | |
365 | #endif | |
b3935289 | 366 | void |
c3438661 JD |
367 | x_menu_wait_for_event (void *data) |
368 | { | |
c3438661 JD |
369 | /* Another way to do this is to register a timer callback, that can be |
370 | done in GTK and Xt. But we have to do it like this when using only X | |
371 | anyway, and with callbacks we would have three variants for timer handling | |
372 | instead of the small ifdefs below. */ | |
373 | ||
374 | while ( | |
375 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 376 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
377 | #elif defined USE_GTK |
378 | ! gtk_events_pending () | |
379 | #else | |
380 | ! XPending ((Display*) data) | |
381 | #endif | |
382 | ) | |
383 | { | |
f868cd8a | 384 | EMACS_TIME next_time = timer_check (), *ntp; |
c3438661 JD |
385 | SELECT_TYPE read_fds; |
386 | struct x_display_info *dpyinfo; | |
387 | int n = 0; | |
388 | ||
389 | FD_ZERO (&read_fds); | |
390 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
391 | { | |
392 | int fd = ConnectionNumber (dpyinfo->display); | |
393 | FD_SET (fd, &read_fds); | |
394 | if (fd > n) n = fd; | |
11814156 | 395 | XFlush (dpyinfo->display); |
c3438661 JD |
396 | } |
397 | ||
d35af63c | 398 | if (! EMACS_TIME_VALID_P (next_time)) |
e90292a9 JD |
399 | ntp = 0; |
400 | else | |
401 | ntp = &next_time; | |
c3438661 | 402 | |
93d5ca1f | 403 | #ifdef HAVE_GTK3 |
63def6b6 CY |
404 | /* Gtk3 have arrows on menus when they don't fit. When the |
405 | pointer is over an arrow, a timeout scrolls it a bit. Use | |
406 | xg_select so that timeout gets triggered. */ | |
407 | xg_select (n + 1, &read_fds, NULL, NULL, ntp, NULL); | |
93d5ca1f | 408 | #else |
d35af63c | 409 | pselect (n + 1, &read_fds, NULL, NULL, ntp, NULL); |
93d5ca1f | 410 | #endif |
c3438661 JD |
411 | } |
412 | } | |
413 | #endif /* ! MSDOS */ | |
414 | ||
78589e07 | 415 | \f |
488dd4c4 | 416 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 417 | |
f1d1cd24 JD |
418 | #ifdef USE_X_TOOLKIT |
419 | ||
4dedbfe0 | 420 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 421 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
422 | and x-popup-dialog; it is not used for the menu bar. |
423 | ||
2e2b8e22 | 424 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 425 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 426 | |
f02cac82 | 427 | static void |
ebd15611 | 428 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 429 | { |
4dedbfe0 | 430 | XEvent event; |
f02cac82 | 431 | |
8b806a85 JD |
432 | while (popup_activated_flag) |
433 | { | |
c0b0f54b | 434 | if (initial_event) |
8b806a85 JD |
435 | { |
436 | event = *initial_event; | |
437 | initial_event = 0; | |
438 | } | |
439 | else | |
c3438661 JD |
440 | { |
441 | if (do_timers) x_menu_wait_for_event (0); | |
442 | XtAppNextEvent (Xt_app_con, &event); | |
443 | } | |
78589e07 | 444 | |
10624005 | 445 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
446 | And make sure to deactivate for any ButtonRelease, |
447 | even if XtDispatchEvent doesn't do that. */ | |
448 | if (event.type == ButtonRelease | |
449 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
450 | { |
451 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 452 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
453 | Btn1Down seems the only way to convince Motif to |
454 | activate its callbacks; setting the XmNmenuPost | |
455 | isn't working. --marcus@sysc.pdx.edu. */ | |
456 | event.xbutton.button = 1; | |
457 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
458 | key is pressed and the button is released. So reset key state | |
459 | so Motif thinks this is the case. */ | |
460 | event.xbutton.state = 0; | |
c8b5aa3d | 461 | #endif |
10624005 | 462 | } |
33385c6f | 463 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 464 | else if (event.type == KeyPress |
10624005 | 465 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
466 | { |
467 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 468 | |
33385c6f JD |
469 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
470 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 471 | popup_activated_flag = 0; |
8b806a85 | 472 | } |
177c0ea7 | 473 | |
8b806a85 | 474 | x_dispatch_event (&event, event.xany.display); |
aa669def | 475 | } |
78589e07 RS |
476 | } |
477 | ||
12b6af5c | 478 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
479 | doc: /* Start key navigation of the menu bar in FRAME. |
480 | This initially opens the first menu bar item and you can then navigate with the | |
481 | arrow keys, select a menu entry with the return key or cancel with the | |
482 | escape key. If FRAME has no menu bar this function does nothing. | |
483 | ||
484 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 485 | (Lisp_Object frame) |
22badffe JD |
486 | { |
487 | XEvent ev; | |
488 | FRAME_PTR f = check_x_frame (frame); | |
489 | Widget menubar; | |
4d7e6e51 | 490 | block_input (); |
22badffe JD |
491 | |
492 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
493 | set_frame_menubar (f, 0, 1); | |
494 | ||
495 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
496 | if (menubar) | |
497 | { | |
498 | Window child; | |
499 | int error_p = 0; | |
500 | ||
501 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
502 | memset (&ev, 0, sizeof ev); | |
503 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
504 | ev.xbutton.window = XtWindow (menubar); | |
505 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
506 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
507 | ev.xbutton.button = Button1; | |
508 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
509 | ev.xbutton.same_screen = True; | |
510 | ||
511 | #ifdef USE_MOTIF | |
512 | { | |
513 | Arg al[2]; | |
514 | WidgetList list; | |
515 | Cardinal nr; | |
516 | XtSetArg (al[0], XtNchildren, &list); | |
517 | XtSetArg (al[1], XtNnumChildren, &nr); | |
518 | XtGetValues (menubar, al, 2); | |
519 | ev.xbutton.window = XtWindow (list[0]); | |
520 | } | |
521 | #endif | |
522 | ||
523 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
524 | /* From-window, to-window. */ | |
525 | ev.xbutton.window, ev.xbutton.root, | |
526 | ||
527 | /* From-position, to-position. */ | |
528 | ev.xbutton.x, ev.xbutton.y, | |
529 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
530 | ||
531 | /* Child of win. */ | |
532 | &child); | |
533 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
534 | x_uncatch_errors (); | |
535 | ||
536 | if (! error_p) | |
537 | { | |
538 | ev.type = ButtonPress; | |
539 | ev.xbutton.state = 0; | |
540 | ||
541 | XtDispatchEvent (&ev); | |
542 | ev.xbutton.type = ButtonRelease; | |
543 | ev.xbutton.state = Button1Mask; | |
544 | XtDispatchEvent (&ev); | |
545 | } | |
546 | } | |
547 | ||
4d7e6e51 | 548 | unblock_input (); |
57d671b4 AS |
549 | |
550 | return Qnil; | |
22badffe | 551 | } |
488dd4c4 JD |
552 | #endif /* USE_X_TOOLKIT */ |
553 | ||
22badffe | 554 | |
488dd4c4 | 555 | #ifdef USE_GTK |
12b6af5c | 556 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
557 | doc: /* Start key navigation of the menu bar in FRAME. |
558 | This initially opens the first menu bar item and you can then navigate with the | |
559 | arrow keys, select a menu entry with the return key or cancel with the | |
560 | escape key. If FRAME has no menu bar this function does nothing. | |
561 | ||
562 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 563 | (Lisp_Object frame) |
22badffe JD |
564 | { |
565 | GtkWidget *menubar; | |
8630721e CY |
566 | FRAME_PTR f; |
567 | ||
718aeeb8 | 568 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
4d7e6e51 | 569 | block_input (). */ |
718aeeb8 | 570 | |
4d7e6e51 | 571 | block_input (); |
8630721e | 572 | f = check_x_frame (frame); |
22badffe JD |
573 | |
574 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
575 | set_frame_menubar (f, 0, 1); | |
576 | ||
577 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
578 | if (menubar) | |
579 | { | |
580 | /* Activate the first menu. */ | |
581 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
582 | ||
32d46135 JD |
583 | if (children) |
584 | { | |
585 | g_signal_emit_by_name (children->data, "activate_item"); | |
586 | popup_activated_flag = 1; | |
587 | g_list_free (children); | |
588 | } | |
22badffe | 589 | } |
4d7e6e51 | 590 | unblock_input (); |
22badffe JD |
591 | |
592 | return Qnil; | |
593 | } | |
594 | ||
488dd4c4 JD |
595 | /* Loop util popup_activated_flag is set to zero in a callback. |
596 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 597 | |
488dd4c4 | 598 | static void |
971de7fb | 599 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
600 | { |
601 | ++popup_activated_flag; | |
602 | ||
603 | /* Process events in the Gtk event loop until done. */ | |
604 | while (popup_activated_flag) | |
605 | { | |
c3438661 | 606 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
607 | gtk_main_iteration (); |
608 | } | |
609 | } | |
610 | #endif | |
611 | ||
88766961 RS |
612 | /* Activate the menu bar of frame F. |
613 | This is called from keyboard.c when it gets the | |
3b8f9651 | 614 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
615 | |
616 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 617 | that was saved in saved_menu_event. |
88766961 RS |
618 | That makes the toolkit do its thing. |
619 | ||
620 | But first we recompute the menu bar contents (the whole tree). | |
621 | ||
622 | The reason for saving the button event until here, instead of | |
623 | passing it to the toolkit right away, is that we can safely | |
624 | execute Lisp code. */ | |
177c0ea7 | 625 | |
dfcf069d | 626 | void |
971de7fb | 627 | x_activate_menubar (FRAME_PTR f) |
88766961 | 628 | { |
62af879c | 629 | if (! FRAME_X_P (f)) |
1088b922 | 630 | emacs_abort (); |
62af879c | 631 | |
ac78b144 | 632 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
633 | return; |
634 | ||
177c0ea7 | 635 | #ifdef USE_GTK |
6b61353c KH |
636 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
637 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
638 | return; |
639 | #endif | |
177c0ea7 | 640 | |
a9be6839 | 641 | set_frame_menubar (f, 0, 1); |
4d7e6e51 | 642 | block_input (); |
cf28cebc | 643 | popup_activated_flag = 1; |
488dd4c4 JD |
644 | #ifdef USE_GTK |
645 | XPutBackEvent (f->output_data.x->display_info->display, | |
646 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 647 | #else |
86fad4ec | 648 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 649 | #endif |
4d7e6e51 | 650 | unblock_input (); |
177c0ea7 | 651 | |
88766961 | 652 | /* Ignore this if we get it a second time. */ |
ac78b144 | 653 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
654 | } |
655 | ||
4dedbfe0 PR |
656 | /* This callback is invoked when the user selects a menubar cascade |
657 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 658 | |
488dd4c4 | 659 | #ifndef USE_GTK |
78589e07 | 660 | static void |
ebd15611 | 661 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 662 | { |
4dedbfe0 | 663 | popup_activated_flag = 1; |
98a20c65 CY |
664 | #ifdef USE_X_TOOLKIT |
665 | x_activate_timeout_atimer (); | |
666 | #endif | |
7555d825 | 667 | } |
488dd4c4 | 668 | #endif |
7555d825 GM |
669 | |
670 | /* This callback is invoked when a dialog or menu is finished being | |
671 | used and has been unposted. */ | |
672 | ||
488dd4c4 | 673 | static void |
5db81e33 SM |
674 | popup_deactivate_callback ( |
675 | #ifdef USE_GTK | |
676 | GtkWidget *widget, gpointer client_data | |
488dd4c4 | 677 | #else |
5db81e33 SM |
678 | Widget widget, LWLIB_ID id, XtPointer client_data |
679 | #endif | |
680 | ) | |
7555d825 | 681 | { |
7555d825 | 682 | popup_activated_flag = 0; |
78589e07 RS |
683 | } |
684 | ||
850df50b | 685 | |
488dd4c4 JD |
686 | /* Function that finds the frame for WIDGET and shows the HELP text |
687 | for that widget. | |
688 | F is the frame if known, or NULL if not known. */ | |
689 | static void | |
971de7fb | 690 | show_help_event (FRAME_PTR f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 691 | { |
488dd4c4 | 692 | Lisp_Object frame; |
850df50b | 693 | |
850df50b | 694 | if (f) |
9cd50434 GM |
695 | { |
696 | XSETFRAME (frame, f); | |
697 | kbd_buffer_store_help_event (frame, help); | |
698 | } | |
850df50b GM |
699 | else |
700 | { | |
6b61353c | 701 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 702 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 703 | widget. See which frame that is. */ |
488dd4c4 | 704 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
705 | Lisp_Object tail; |
706 | ||
8e50cc2d | 707 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
708 | { |
709 | frame = XCAR (tail); | |
8e50cc2d | 710 | if (FRAMEP (frame) |
850df50b GM |
711 | && (f = XFRAME (frame), |
712 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
713 | break; | |
714 | } | |
6b61353c | 715 | #endif |
f868cd8a | 716 | show_help_echo (help, Qnil, Qnil, Qnil); |
9cd50434 | 717 | } |
850df50b GM |
718 | } |
719 | ||
488dd4c4 JD |
720 | /* Callback called when menu items are highlighted/unhighlighted |
721 | while moving the mouse over them. WIDGET is the menu bar or menu | |
722 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
723 | the data structure for the menu item, or null in case of | |
724 | unhighlighting. */ | |
4dedbfe0 | 725 | |
488dd4c4 | 726 | #ifdef USE_GTK |
032f1620 | 727 | static void |
971de7fb | 728 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
729 | { |
730 | xg_menu_item_cb_data *cb_data; | |
731 | Lisp_Object help; | |
177c0ea7 | 732 | |
488dd4c4 JD |
733 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
734 | XG_ITEM_DATA); | |
735 | if (! cb_data) return; | |
736 | ||
737 | help = call_data ? cb_data->help : Qnil; | |
738 | ||
739 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
a560d974 JD |
740 | Don't pass the frame to show_help_event for those. |
741 | Passing frame creates an Emacs event. As we are looping in | |
8d5ed899 | 742 | popup_widget_loop, it won't be handled. Passing NULL shows the tip |
a560d974 JD |
743 | directly without using an Emacs event. This is what the Lucid code |
744 | does below. */ | |
745 | show_help_event (popup_activated_flag <= 1 ? cb_data->cl_data->f : NULL, | |
746 | widget, help); | |
488dd4c4 JD |
747 | } |
748 | #else | |
032f1620 | 749 | static void |
ebd15611 | 750 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 JD |
751 | { |
752 | struct frame *f; | |
753 | Lisp_Object help; | |
754 | ||
755 | widget_value *wv = (widget_value *) call_data; | |
756 | ||
757 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 758 | |
488dd4c4 JD |
759 | /* Determine the frame for the help event. */ |
760 | f = menubar_id_to_frame (id); | |
761 | ||
762 | show_help_event (f, widget, help); | |
763 | } | |
764 | #endif | |
765 | ||
488dd4c4 JD |
766 | #ifdef USE_GTK |
767 | /* Gtk calls callbacks just because we tell it what item should be | |
768 | selected in a radio group. If this variable is set to a non-zero | |
769 | value, we are creating menus and don't want callbacks right now. | |
770 | */ | |
771 | static int xg_crazy_callback_abort; | |
772 | ||
773 | /* This callback is called from the menu bar pulldown menu | |
774 | when the user makes a selection. | |
775 | Figure out what the user chose | |
776 | and put the appropriate events into the keyboard buffer. */ | |
777 | static void | |
971de7fb | 778 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
779 | { |
780 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
781 | ||
782 | if (xg_crazy_callback_abort) | |
783 | return; | |
784 | ||
785 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
786 | return; | |
787 | ||
b79c8219 JD |
788 | /* For a group of radio buttons, GTK calls the selection callback first |
789 | for the item that was active before the selection and then for the one that | |
790 | is active after the selection. For C-h k this means we get the help on | |
791 | the deselected item and then the selected item is executed. Prevent that | |
792 | by ignoring the non-active item. */ | |
793 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
794 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
795 | return; | |
796 | ||
81f09877 JD |
797 | /* When a menu is popped down, X generates a focus event (i.e. focus |
798 | goes back to the frame below the menu). Since GTK buffers events, | |
799 | we force it out here before the menu selection event. Otherwise | |
800 | sit-for will exit at once if the focus event follows the menu selection | |
801 | event. */ | |
802 | ||
4d7e6e51 | 803 | block_input (); |
81f09877 JD |
804 | while (gtk_events_pending ()) |
805 | gtk_main_iteration (); | |
4d7e6e51 | 806 | unblock_input (); |
81f09877 | 807 | |
488dd4c4 JD |
808 | find_and_call_menu_selection (cb_data->cl_data->f, |
809 | cb_data->cl_data->menu_bar_items_used, | |
810 | cb_data->cl_data->menu_bar_vector, | |
811 | cb_data->call_data); | |
812 | } | |
813 | ||
814 | #else /* not USE_GTK */ | |
815 | ||
816 | /* This callback is called from the menu bar pulldown menu | |
817 | when the user makes a selection. | |
818 | Figure out what the user chose | |
819 | and put the appropriate events into the keyboard buffer. */ | |
820 | static void | |
ebd15611 | 821 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 JD |
822 | { |
823 | FRAME_PTR f; | |
824 | ||
825 | f = menubar_id_to_frame (id); | |
826 | if (!f) | |
827 | return; | |
828 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
e69b0960 | 829 | f->menu_bar_vector, client_data); |
488dd4c4 JD |
830 | } |
831 | #endif /* not USE_GTK */ | |
f61a541b GM |
832 | \f |
833 | /* Recompute all the widgets of frame F, when the menu bar has been | |
18e27ea8 | 834 | changed. */ |
f61a541b | 835 | |
18e27ea8 | 836 | static void |
971de7fb | 837 | update_frame_menubar (FRAME_PTR f) |
18686d47 | 838 | { |
488dd4c4 | 839 | #ifdef USE_GTK |
18e27ea8 | 840 | xg_update_frame_menubar (f); |
488dd4c4 | 841 | #else |
62af879c | 842 | struct x_output *x; |
cffa74ea | 843 | int columns, rows; |
177c0ea7 | 844 | |
62af879c | 845 | if (! FRAME_X_P (f)) |
1088b922 | 846 | emacs_abort (); |
62af879c KL |
847 | |
848 | x = f->output_data.x; | |
849 | ||
f61a541b | 850 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
18e27ea8 | 851 | return; |
18686d47 | 852 | |
4d7e6e51 | 853 | block_input (); |
f61a541b GM |
854 | /* Save the size of the frame because the pane widget doesn't accept |
855 | to resize itself. So force it. */ | |
9882535b KS |
856 | columns = FRAME_COLS (f); |
857 | rows = FRAME_LINES (f); | |
cffa74ea | 858 | |
f61a541b GM |
859 | /* Do the voodoo which means "I'm changing lots of things, don't try |
860 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 861 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 862 | |
f61a541b GM |
863 | /* The order in which children are managed is the top to bottom |
864 | order in which they are displayed in the paned window. First, | |
865 | remove the text-area widget. */ | |
18686d47 RS |
866 | XtUnmanageChild (x->edit_widget); |
867 | ||
f61a541b GM |
868 | /* Remove the menubar that is there now, and put up the menubar that |
869 | should be there. */ | |
870 | XtManageChild (x->menubar_widget); | |
871 | XtMapWidget (x->menubar_widget); | |
872 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 873 | |
c98fcf4b | 874 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 875 | XtManageChild (x->edit_widget); |
4dedbfe0 | 876 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
877 | |
878 | /* Force the pane widget to resize itself with the right values. */ | |
879 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
4d7e6e51 | 880 | unblock_input (); |
488dd4c4 | 881 | #endif |
18686d47 RS |
882 | } |
883 | ||
99852628 | 884 | #ifdef USE_LUCID |
1ecb2d3f | 885 | static void |
ebd15611 | 886 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
887 | { |
888 | const char *fn = xsettings_get_system_normal_font (); | |
51b59d79 | 889 | if (fn) |
1ecb2d3f JD |
890 | { |
891 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
892 | if (db) | |
3928f2b6 | 893 | XrmPutStringResource (&db, "*dialog.font", fn); |
1ecb2d3f JD |
894 | } |
895 | } | |
896 | ||
99852628 | 897 | static void |
3928f2b6 | 898 | apply_systemfont_to_menu (struct frame *f, Widget w) |
99852628 JD |
899 | { |
900 | const char *fn = xsettings_get_system_normal_font (); | |
99852628 | 901 | |
3928f2b6 | 902 | if (fn) |
99852628 | 903 | { |
3928f2b6 JD |
904 | XrmDatabase db = XtDatabase (XtDisplay (w)); |
905 | if (db) | |
906 | { | |
907 | XrmPutStringResource (&db, "*menubar*font", fn); | |
908 | XrmPutStringResource (&db, "*popup*font", fn); | |
909 | } | |
99852628 | 910 | } |
99852628 | 911 | } |
3928f2b6 | 912 | |
99852628 JD |
913 | #endif |
914 | ||
4bcdbab1 KH |
915 | /* Set the contents of the menubar widgets of frame F. |
916 | The argument FIRST_TIME is currently ignored; | |
917 | it is set the first time this is called, from initialize_frame_menubar. */ | |
918 | ||
18686d47 | 919 | void |
18e27ea8 | 920 | set_frame_menubar (FRAME_PTR f, bool first_time, bool deep_p) |
18686d47 | 921 | { |
62af879c | 922 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
923 | #ifdef USE_X_TOOLKIT |
924 | LWLIB_ID id; | |
925 | #endif | |
faa935b6 | 926 | Lisp_Object items; |
4d19cb8e | 927 | widget_value *wv, *first_wv, *prev_wv = 0; |
3e26f69c | 928 | int i; |
ced89c24 | 929 | int *submenu_start, *submenu_end; |
7cded46f PE |
930 | bool *submenu_top_level_items; |
931 | int *submenu_n_panes; | |
cc45fb40 | 932 | |
62af879c | 933 | if (! FRAME_X_P (f)) |
1088b922 | 934 | emacs_abort (); |
62af879c KL |
935 | |
936 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 937 | |
bfc524bc RS |
938 | XSETFRAME (Vmenu_updating_frame, f); |
939 | ||
488dd4c4 | 940 | #ifdef USE_X_TOOLKIT |
7556890b RS |
941 | if (f->output_data.x->id == 0) |
942 | f->output_data.x->id = next_menubar_widget_id++; | |
943 | id = f->output_data.x->id; | |
488dd4c4 | 944 | #endif |
177c0ea7 | 945 | |
88766961 RS |
946 | if (! menubar_widget) |
947 | deep_p = 1; | |
a9be6839 RS |
948 | /* Make the first call for any given frame always go deep. */ |
949 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
950 | { |
951 | deep_p = 1; | |
23f86fce | 952 | f->output_data.x->saved_menu_event = xmalloc (sizeof (XEvent)); |
a9be6839 | 953 | f->output_data.x->saved_menu_event->type = 0; |
745c34fb | 954 | } |
18686d47 | 955 | |
6b61353c KH |
956 | #ifdef USE_GTK |
957 | /* If we have detached menus, we must update deep so detached menus | |
958 | also gets updated. */ | |
959 | deep_p = deep_p || xg_have_tear_offs (); | |
960 | #endif | |
961 | ||
88766961 | 962 | if (deep_p) |
18686d47 | 963 | { |
88766961 RS |
964 | /* Make a widget-value tree representing the entire menu trees. */ |
965 | ||
966 | struct buffer *prev = current_buffer; | |
967 | Lisp_Object buffer; | |
d311d28c | 968 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
969 | int previous_menu_items_used = f->menu_bar_items_used; |
970 | Lisp_Object *previous_items | |
38182d90 | 971 | = alloca (previous_menu_items_used * sizeof *previous_items); |
3e26f69c | 972 | int subitems; |
88766961 | 973 | |
0b1cf399 RS |
974 | /* If we are making a new widget, its contents are empty, |
975 | do always reinitialize them. */ | |
976 | if (! menubar_widget) | |
977 | previous_menu_items_used = 0; | |
978 | ||
d3d50620 | 979 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
88766961 RS |
980 | specbind (Qinhibit_quit, Qt); |
981 | /* Don't let the debugger step into this code | |
982 | because it is not reentrant. */ | |
983 | specbind (Qdebug_on_next_call, Qnil); | |
984 | ||
89f2614d | 985 | record_unwind_save_match_data (); |
88766961 RS |
986 | if (NILP (Voverriding_local_map_menu_flag)) |
987 | { | |
988 | specbind (Qoverriding_terminal_local_map, Qnil); | |
989 | specbind (Qoverriding_local_map, Qnil); | |
990 | } | |
18686d47 | 991 | |
88766961 | 992 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 993 | |
88766961 | 994 | /* Run the Lucid hook. */ |
950eaee7 | 995 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 996 | |
88766961 RS |
997 | /* If it has changed current-menubar from previous value, |
998 | really recompute the menubar from the value. */ | |
999 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
1000 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 1001 | safe_run_hooks (Qmenu_bar_update_hook); |
f00af5b1 | 1002 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
18686d47 | 1003 | |
88766961 | 1004 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1005 | |
88766961 | 1006 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 1007 | if (previous_menu_items_used) |
e69b0960 | 1008 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
663e2b3f | 1009 | previous_menu_items_used * word_size); |
8d8a3494 | 1010 | |
ced89c24 RS |
1011 | /* Fill in menu_items with the current menu bar contents. |
1012 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1013 | save_menu_items (); |
1014 | ||
e69b0960 | 1015 | menu_items = f->menu_bar_vector; |
86c04183 | 1016 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
77b37c05 | 1017 | subitems = ASIZE (items) / 4; |
38182d90 PE |
1018 | submenu_start = alloca ((subitems + 1) * sizeof *submenu_start); |
1019 | submenu_end = alloca (subitems * sizeof *submenu_end); | |
1020 | submenu_n_panes = alloca (subitems * sizeof *submenu_n_panes); | |
1021 | submenu_top_level_items = alloca (subitems | |
1022 | * sizeof *submenu_top_level_items); | |
88766961 | 1023 | init_menu_items (); |
e3019616 | 1024 | for (i = 0; i < subitems; i++) |
88766961 RS |
1025 | { |
1026 | Lisp_Object key, string, maps; | |
1027 | ||
28be1ada DA |
1028 | key = AREF (items, 4 * i); |
1029 | string = AREF (items, 4 * i + 1); | |
1030 | maps = AREF (items, 4 * i + 2); | |
88766961 RS |
1031 | if (NILP (string)) |
1032 | break; | |
1033 | ||
ced89c24 RS |
1034 | submenu_start[i] = menu_items_used; |
1035 | ||
1036 | menu_items_n_panes = 0; | |
1037 | submenu_top_level_items[i] | |
1038 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1039 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1040 | |
1041 | submenu_end[i] = menu_items_used; | |
1042 | } | |
1043 | ||
3e26f69c | 1044 | submenu_start[i] = -1; |
ced89c24 RS |
1045 | finish_menu_items (); |
1046 | ||
1047 | /* Convert menu_items into widget_value trees | |
1048 | to display the menu. This cannot evaluate Lisp code. */ | |
1049 | ||
1050 | wv = xmalloc_widget_value (); | |
1051 | wv->name = "menubar"; | |
1052 | wv->value = 0; | |
1053 | wv->enabled = 1; | |
1054 | wv->button_type = BUTTON_TYPE_NONE; | |
1055 | wv->help = Qnil; | |
1056 | first_wv = wv; | |
1057 | ||
3e26f69c | 1058 | for (i = 0; 0 <= submenu_start[i]; i++) |
ced89c24 | 1059 | { |
37dc84ff | 1060 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1061 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1062 | submenu_top_level_items[i]); | |
177c0ea7 | 1063 | if (prev_wv) |
88766961 RS |
1064 | prev_wv->next = wv; |
1065 | else | |
1066 | first_wv->contents = wv; | |
1067 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1068 | wv->enabled = 1; | |
3427a3db | 1069 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1070 | prev_wv = wv; |
1071 | } | |
1072 | ||
88766961 | 1073 | set_buffer_internal_1 (prev); |
8d8a3494 | 1074 | |
88766961 RS |
1075 | /* If there has been no change in the Lisp-level contents |
1076 | of the menu bar, skip redisplaying it. Just exit. */ | |
1077 | ||
510d5bf6 | 1078 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1079 | for (i = 0; i < previous_menu_items_used; i++) |
1080 | if (menu_items_used == i | |
28be1ada | 1081 | || (!EQ (previous_items[i], AREF (menu_items, i)))) |
88766961 | 1082 | break; |
62555c22 | 1083 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1084 | { |
510d5bf6 RS |
1085 | /* The menu items have not changed. Don't bother updating |
1086 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1087 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1088 | discard_menu_items (); |
1fc4d463 | 1089 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1090 | return; |
1091 | } | |
1092 | ||
510d5bf6 | 1093 | /* The menu items are different, so store them in the frame. */ |
f00af5b1 | 1094 | fset_menu_bar_vector (f, menu_items); |
1fc4d463 RS |
1095 | f->menu_bar_items_used = menu_items_used; |
1096 | ||
bf732638 | 1097 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1098 | unbind_to (specpdl_count, Qnil); |
1099 | ||
88766961 RS |
1100 | /* Now GC cannot happen during the lifetime of the widget_value, |
1101 | so it's safe to store data from a Lisp_String. */ | |
1102 | wv = first_wv->contents; | |
77b37c05 | 1103 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1104 | { |
1105 | Lisp_Object string; | |
28be1ada | 1106 | string = AREF (items, i + 1); |
88766961 | 1107 | if (NILP (string)) |
2bf436c3 | 1108 | break; |
51b59d79 | 1109 | wv->name = SSDATA (string); |
2bf436c3 JD |
1110 | update_submenu_strings (wv->contents); |
1111 | wv = wv->next; | |
88766961 RS |
1112 | } |
1113 | ||
4d19cb8e | 1114 | } |
88766961 RS |
1115 | else |
1116 | { | |
1117 | /* Make a widget-value tree containing | |
1118 | just the top level menu bar strings. */ | |
4d19cb8e | 1119 | |
ced89c24 RS |
1120 | wv = xmalloc_widget_value (); |
1121 | wv->name = "menubar"; | |
1122 | wv->value = 0; | |
1123 | wv->enabled = 1; | |
1124 | wv->button_type = BUTTON_TYPE_NONE; | |
1125 | wv->help = Qnil; | |
1126 | first_wv = wv; | |
1127 | ||
88766961 | 1128 | items = FRAME_MENU_BAR_ITEMS (f); |
77b37c05 | 1129 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1130 | { |
1131 | Lisp_Object string; | |
1132 | ||
28be1ada | 1133 | string = AREF (items, i + 1); |
88766961 RS |
1134 | if (NILP (string)) |
1135 | break; | |
1136 | ||
f7fab165 | 1137 | wv = xmalloc_widget_value (); |
51b59d79 | 1138 | wv->name = SSDATA (string); |
88766961 RS |
1139 | wv->value = 0; |
1140 | wv->enabled = 1; | |
3427a3db | 1141 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1142 | wv->help = Qnil; |
fe8fa62f RS |
1143 | /* This prevents lwlib from assuming this |
1144 | menu item is really supposed to be empty. */ | |
d01a7826 | 1145 | /* The intptr_t cast avoids a warning. |
fe8fa62f | 1146 | This value just has to be different from small integers. */ |
d01a7826 | 1147 | wv->call_data = (void *) (intptr_t) (-1); |
88766961 | 1148 | |
177c0ea7 | 1149 | if (prev_wv) |
88766961 RS |
1150 | prev_wv->next = wv; |
1151 | else | |
1152 | first_wv->contents = wv; | |
1153 | prev_wv = wv; | |
1154 | } | |
62555c22 RS |
1155 | |
1156 | /* Forget what we thought we knew about what is in the | |
1157 | detailed contents of the menu bar menus. | |
1158 | Changing the top level always destroys the contents. */ | |
1159 | f->menu_bar_items_used = 0; | |
88766961 | 1160 | } |
4dedbfe0 | 1161 | |
88766961 | 1162 | /* Create or update the menu bar widget. */ |
aa669def | 1163 | |
4d7e6e51 | 1164 | block_input (); |
aa669def | 1165 | |
488dd4c4 JD |
1166 | #ifdef USE_GTK |
1167 | xg_crazy_callback_abort = 1; | |
1168 | if (menubar_widget) | |
1169 | { | |
6b61353c | 1170 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1171 | menu trees we supply, rather than just the menu bar item names. */ |
1172 | xg_modify_menubar_widgets (menubar_widget, | |
1173 | f, | |
1174 | first_wv, | |
1175 | deep_p, | |
1176 | G_CALLBACK (menubar_selection_callback), | |
1177 | G_CALLBACK (popup_deactivate_callback), | |
1178 | G_CALLBACK (menu_highlight_callback)); | |
1179 | } | |
1180 | else | |
1181 | { | |
488dd4c4 | 1182 | menubar_widget |
177c0ea7 | 1183 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1184 | G_CALLBACK (menubar_selection_callback), |
1185 | G_CALLBACK (popup_deactivate_callback), | |
1186 | G_CALLBACK (menu_highlight_callback)); | |
1187 | ||
1188 | f->output_data.x->menubar_widget = menubar_widget; | |
1189 | } | |
1190 | ||
177c0ea7 | 1191 | |
488dd4c4 | 1192 | #else /* not USE_GTK */ |
18686d47 | 1193 | if (menubar_widget) |
4dedbfe0 PR |
1194 | { |
1195 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1196 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1197 | |
1198 | /* The third arg is DEEP_P, which says to consider the entire | |
1199 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1200 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1201 | |
c98fcf4b | 1202 | /* Re-enable the edit widget to resize. */ |
7556890b | 1203 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1204 | } |
18686d47 RS |
1205 | else |
1206 | { | |
9f6fcdc5 JD |
1207 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1208 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1209 | ||
3928f2b6 JD |
1210 | #ifdef USE_LUCID |
1211 | apply_systemfont_to_menu (f, f->output_data.x->column_widget); | |
1212 | #endif | |
1213 | menubar_widget = lw_create_widget ("menubar", "menubar", id, | |
1214 | first_wv, | |
7556890b | 1215 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1216 | 0, |
1217 | popup_activate_callback, | |
1218 | menubar_selection_callback, | |
850df50b GM |
1219 | popup_deactivate_callback, |
1220 | menu_highlight_callback); | |
7556890b | 1221 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1222 | |
1223 | /* Make menu pop down on C-g. */ | |
1224 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1225 | } |
1d1c1567 KH |
1226 | |
1227 | { | |
cf28cebc | 1228 | int menubar_size; |
723f5a07 J |
1229 | if (f->output_data.x->menubar_widget) |
1230 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1231 | ||
cf28cebc | 1232 | menubar_size |
7556890b RS |
1233 | = (f->output_data.x->menubar_widget |
1234 | ? (f->output_data.x->menubar_widget->core.height | |
1235 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1236 | : 0); |
1237 | ||
5c646d5a JD |
1238 | #if 1 /* Experimentally, we now get the right results |
1239 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1240 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1241 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1242 | #ifdef USE_LUCID |
1d1c1567 KH |
1243 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1244 | { | |
1245 | Dimension ibw = 0; | |
7556890b | 1246 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1247 | XtNinternalBorderWidth, &ibw, NULL); |
1248 | menubar_size += ibw; | |
1249 | } | |
5ee80bd3 | 1250 | #endif /* USE_LUCID */ |
5c646d5a | 1251 | #endif /* 1 */ |
1d1c1567 | 1252 | |
7556890b | 1253 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1254 | } |
488dd4c4 | 1255 | #endif /* not USE_GTK */ |
177c0ea7 | 1256 | |
18686d47 | 1257 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1258 | update_frame_menubar (f); |
18686d47 | 1259 | |
488dd4c4 JD |
1260 | #ifdef USE_GTK |
1261 | xg_crazy_callback_abort = 0; | |
1262 | #endif | |
1263 | ||
4d7e6e51 | 1264 | unblock_input (); |
18686d47 | 1265 | } |
85f487d1 | 1266 | |
8e6208c5 | 1267 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1268 | before it is mapped, so that the window is mapped with the menubar already |
1269 | there instead of us tacking it on later and thrashing the window after it | |
1270 | is visible. */ | |
1271 | ||
1272 | void | |
971de7fb | 1273 | initialize_frame_menubar (FRAME_PTR f) |
4dedbfe0 PR |
1274 | { |
1275 | /* This function is called before the first chance to redisplay | |
1276 | the frame. It has to be, so the frame will have the right size. */ | |
f00af5b1 | 1277 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
88766961 | 1278 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1279 | } |
1280 | ||
aba25348 | 1281 | |
4dedbfe0 | 1282 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1283 | This is used when deleting a frame, and when turning off the menu bar. |
1284 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1285 | |
488dd4c4 | 1286 | #ifndef USE_GTK |
85f487d1 | 1287 | void |
ebd15611 | 1288 | free_frame_menubar (FRAME_PTR f) |
85f487d1 FP |
1289 | { |
1290 | Widget menubar_widget; | |
85f487d1 | 1291 | |
62af879c | 1292 | if (! FRAME_X_P (f)) |
1088b922 | 1293 | emacs_abort (); |
62af879c | 1294 | |
7556890b | 1295 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1296 | |
1297 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1298 | |
85f487d1 FP |
1299 | if (menubar_widget) |
1300 | { | |
aba25348 GM |
1301 | #ifdef USE_MOTIF |
1302 | /* Removing the menu bar magically changes the shell widget's x | |
1303 | and y position of (0, 0) which, when the menu bar is turned | |
53964682 | 1304 | on again, leads to pull-down menus appearing in strange |
aba25348 GM |
1305 | positions near the upper-left corner of the display. This |
1306 | happens only with some window managers like twm and ctwm, | |
1307 | but not with other like Motif's mwm or kwm, because the | |
1308 | latter generate ConfigureNotify events when the menu bar | |
1309 | is switched off, which fixes the shell position. */ | |
1310 | Position x0, y0, x1, y1; | |
1311 | #endif | |
177c0ea7 | 1312 | |
4d7e6e51 | 1313 | block_input (); |
aba25348 GM |
1314 | |
1315 | #ifdef USE_MOTIF | |
ae556422 GM |
1316 | if (f->output_data.x->widget) |
1317 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1318 | #endif |
177c0ea7 | 1319 | |
7556890b | 1320 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1321 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1322 | |
ae556422 GM |
1323 | if (f->output_data.x->widget) |
1324 | { | |
23243f29 | 1325 | #ifdef USE_MOTIF |
ae556422 GM |
1326 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1327 | if (x1 == 0 && y1 == 0) | |
1328 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1329 | #endif |
23243f29 J |
1330 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
1331 | } | |
4d7e6e51 | 1332 | unblock_input (); |
85f487d1 FP |
1333 | } |
1334 | } | |
488dd4c4 | 1335 | #endif /* not USE_GTK */ |
78589e07 | 1336 | |
488dd4c4 | 1337 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1338 | \f |
1339 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1340 | and returns the value selected from it. | |
1341 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1342 | Both assume input is blocked by the caller. */ | |
1343 | ||
1344 | /* F is the frame the menu is for. | |
1345 | X and Y are the frame-relative specified position, | |
1346 | relative to the inside upper left corner of the frame F. | |
7cded46f PE |
1347 | FOR_CLICK is true if this menu was invoked for a mouse click. |
1348 | KEYMAPS is true if this menu was specified with keymaps; | |
78589e07 RS |
1349 | in that case, we return a list containing the chosen item's value |
1350 | and perhaps also the pane's prefix. | |
1351 | TITLE is the specified menu title. | |
1352 | ERROR is a place to store an error message string in case of failure. | |
1353 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1354 | |
488dd4c4 JD |
1355 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1356 | ||
1357 | /* The item selected in the popup menu. */ | |
1358 | static Lisp_Object *volatile menu_item_selection; | |
1359 | ||
1360 | #ifdef USE_GTK | |
1361 | ||
1362 | /* Used when position a popup menu. See menu_position_func and | |
1363 | create_and_show_popup_menu below. */ | |
1364 | struct next_popup_x_y | |
1365 | { | |
7b76ca1c | 1366 | FRAME_PTR f; |
488dd4c4 JD |
1367 | int x; |
1368 | int y; | |
1369 | }; | |
1370 | ||
1371 | /* The menu position function to use if we are not putting a popup | |
1372 | menu where the pointer is. | |
1373 | MENU is the menu to pop up. | |
1374 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1375 | PUSH_IN is not documented in the GTK manual. | |
1376 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1377 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1378 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1379 | |
1380 | Here only X and Y are used. */ | |
1381 | static void | |
971de7fb | 1382 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1383 | { |
7b76ca1c JD |
1384 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1385 | GtkRequisition req; | |
fd2f80c6 CY |
1386 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1387 | int disp_width = x_display_pixel_width (dpyinfo); | |
1388 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1389 | |
7b76ca1c JD |
1390 | *x = data->x; |
1391 | *y = data->y; | |
1392 | ||
1393 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1394 | the menu is fully visible. */ | |
0afb4571 | 1395 | gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &req); |
7b76ca1c JD |
1396 | if (data->x + req.width > disp_width) |
1397 | *x -= data->x + req.width - disp_width; | |
1398 | if (data->y + req.height > disp_height) | |
1399 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1400 | } |
1401 | ||
1402 | static void | |
971de7fb | 1403 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1404 | { |
1405 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1406 | ||
1407 | if (xg_crazy_callback_abort) return; | |
1408 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1409 | } | |
1410 | ||
af89e871 | 1411 | static Lisp_Object |
971de7fb | 1412 | pop_down_menu (Lisp_Object arg) |
af89e871 | 1413 | { |
a130b901 JD |
1414 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1415 | ||
af89e871 | 1416 | popup_activated_flag = 0; |
4d7e6e51 | 1417 | block_input (); |
a130b901 | 1418 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); |
4d7e6e51 | 1419 | unblock_input (); |
af89e871 JD |
1420 | return Qnil; |
1421 | } | |
1422 | ||
488dd4c4 JD |
1423 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1424 | menu pops down. | |
1425 | menu_item_selection will be set to the selection. */ | |
1426 | static void | |
08dc5ae6 | 1427 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, |
7cded46f | 1428 | bool for_click, Time timestamp) |
488dd4c4 JD |
1429 | { |
1430 | int i; | |
1431 | GtkWidget *menu; | |
1432 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1433 | struct next_popup_x_y popup_x_y; | |
d311d28c | 1434 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
7cded46f | 1435 | bool use_pos_func = ! for_click; |
93d5ca1f JD |
1436 | |
1437 | #ifdef HAVE_GTK3 | |
1438 | /* Always use position function for Gtk3. Otherwise menus may become | |
1439 | too small to show anything. */ | |
1440 | use_pos_func = 1; | |
1441 | #endif | |
488dd4c4 | 1442 | |
62af879c | 1443 | if (! FRAME_X_P (f)) |
1088b922 | 1444 | emacs_abort (); |
62af879c | 1445 | |
488dd4c4 JD |
1446 | xg_crazy_callback_abort = 1; |
1447 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1448 | G_CALLBACK (popup_selection_callback), | |
1449 | G_CALLBACK (popup_deactivate_callback), | |
1450 | G_CALLBACK (menu_highlight_callback)); | |
1451 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1452 | |
93d5ca1f | 1453 | if (use_pos_func) |
488dd4c4 JD |
1454 | { |
1455 | /* Not invoked by a click. pop up at x/y. */ | |
1456 | pos_func = menu_position_func; | |
1457 | ||
1458 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1459 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1460 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1461 | |
1462 | popup_x_y.x = x; | |
1463 | popup_x_y.y = y; | |
7b76ca1c | 1464 | popup_x_y.f = f; |
488dd4c4 | 1465 | |
9b85e63d JD |
1466 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1467 | } | |
93d5ca1f JD |
1468 | |
1469 | if (for_click) | |
9b85e63d JD |
1470 | { |
1471 | for (i = 0; i < 5; i++) | |
1472 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1473 | break; | |
1474 | } | |
59cfb104 | 1475 | |
488dd4c4 JD |
1476 | /* Display the menu. */ |
1477 | gtk_widget_show_all (menu); | |
c0df13a6 | 1478 | |
a20903d0 | 1479 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
08dc5ae6 | 1480 | timestamp ? timestamp : gtk_get_current_event_time ()); |
177c0ea7 | 1481 | |
a130b901 | 1482 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1483 | |
e547b051 | 1484 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1485 | { |
1486 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1487 | two. show_help_echo uses this to detect popup menus. */ | |
1488 | popup_activated_flag = 1; | |
1489 | /* Process events that apply to the menu. */ | |
1490 | popup_widget_loop (1, menu); | |
1491 | } | |
488dd4c4 | 1492 | |
af89e871 | 1493 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1494 | |
488dd4c4 JD |
1495 | /* Must reset this manually because the button release event is not passed |
1496 | to Emacs event loop. */ | |
1497 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1498 | } | |
1499 | ||
1500 | #else /* not USE_GTK */ | |
18686d47 | 1501 | |
8ed87156 | 1502 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1503 | library. |
1504 | ||
1505 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1506 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1507 | |
88766961 RS |
1508 | For menu bars, we use numbers starting at 0, counted in |
1509 | next_menubar_widget_id. */ | |
8ed87156 | 1510 | LWLIB_ID widget_id_tick; |
165e1749 | 1511 | |
4dedbfe0 | 1512 | static void |
ebd15611 | 1513 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 PR |
1514 | { |
1515 | menu_item_selection = (Lisp_Object *) client_data; | |
1516 | } | |
1517 | ||
af89e871 JD |
1518 | /* ARG is the LWLIB ID of the dialog box, represented |
1519 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1520 | ||
1521 | static Lisp_Object | |
ebd15611 | 1522 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1523 | { |
1524 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1525 | | XINT (XCDR (arg))); | |
1526 | ||
4d7e6e51 | 1527 | block_input (); |
af89e871 | 1528 | lw_destroy_all_widgets (id); |
4d7e6e51 | 1529 | unblock_input (); |
af89e871 JD |
1530 | popup_activated_flag = 0; |
1531 | ||
1532 | return Qnil; | |
1533 | } | |
1534 | ||
488dd4c4 JD |
1535 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1536 | menu pops down. | |
1537 | menu_item_selection will be set to the selection. */ | |
1538 | static void | |
2b23d2a6 | 1539 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, |
7cded46f | 1540 | int x, int y, bool for_click, Time timestamp) |
488dd4c4 JD |
1541 | { |
1542 | int i; | |
1543 | Arg av[2]; | |
1544 | int ac = 0; | |
65969f63 CY |
1545 | XEvent dummy; |
1546 | XButtonPressedEvent *event = &(dummy.xbutton); | |
488dd4c4 JD |
1547 | LWLIB_ID menu_id; |
1548 | Widget menu; | |
488dd4c4 | 1549 | |
62af879c | 1550 | if (! FRAME_X_P (f)) |
1088b922 | 1551 | emacs_abort (); |
62af879c | 1552 | |
3928f2b6 JD |
1553 | #ifdef USE_LUCID |
1554 | apply_systemfont_to_menu (f, f->output_data.x->widget); | |
1555 | #endif | |
1556 | ||
488dd4c4 JD |
1557 | menu_id = widget_id_tick++; |
1558 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1559 | f->output_data.x->widget, 1, 0, | |
1560 | popup_selection_callback, | |
1561 | popup_deactivate_callback, | |
1562 | menu_highlight_callback); | |
1563 | ||
65969f63 CY |
1564 | event->type = ButtonPress; |
1565 | event->serial = 0; | |
1566 | event->send_event = 0; | |
1567 | event->display = FRAME_X_DISPLAY (f); | |
1568 | event->time = CurrentTime; | |
1569 | event->root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1570 | event->window = event->subwindow = event->root; | |
1571 | event->x = x; | |
1572 | event->y = y; | |
488dd4c4 JD |
1573 | |
1574 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1575 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1576 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 | 1577 | |
65969f63 CY |
1578 | event->x_root = x; |
1579 | event->y_root = y; | |
488dd4c4 | 1580 | |
65969f63 CY |
1581 | event->state = 0; |
1582 | event->button = 0; | |
488dd4c4 JD |
1583 | for (i = 0; i < 5; i++) |
1584 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
65969f63 | 1585 | event->button = i; |
488dd4c4 JD |
1586 | |
1587 | /* Don't allow any geometry request from the user. */ | |
1588 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1589 | XtSetValues (menu, av, ac); | |
1590 | ||
1591 | /* Display the menu. */ | |
65969f63 | 1592 | lw_popup_menu (menu, &dummy); |
488dd4c4 | 1593 | popup_activated_flag = 1; |
98a20c65 | 1594 | x_activate_timeout_atimer (); |
59cfb104 | 1595 | |
af89e871 JD |
1596 | { |
1597 | int fact = 4 * sizeof (LWLIB_ID); | |
d311d28c | 1598 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
af89e871 JD |
1599 | record_unwind_protect (pop_down_menu, |
1600 | Fcons (make_number (menu_id >> (fact)), | |
1601 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1602 | |
af89e871 | 1603 | /* Process events that apply to the menu. */ |
95bdef2e | 1604 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1605 | |
af89e871 JD |
1606 | unbind_to (specpdl_count, Qnil); |
1607 | } | |
488dd4c4 JD |
1608 | } |
1609 | ||
1610 | #endif /* not USE_GTK */ | |
1611 | ||
ba24cea2 YM |
1612 | static Lisp_Object |
1613 | cleanup_widget_value_tree (Lisp_Object arg) | |
1614 | { | |
1615 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); | |
1616 | widget_value *wv = p->pointer; | |
1617 | ||
1618 | free_menubar_widget_value_tree (wv); | |
1619 | ||
1620 | return Qnil; | |
1621 | } | |
1622 | ||
ef7417fd | 1623 | Lisp_Object |
7cded46f | 1624 | xmenu_show (FRAME_PTR f, int x, int y, bool for_click, bool keymaps, |
08dc5ae6 | 1625 | Lisp_Object title, const char **error_name, Time timestamp) |
18686d47 | 1626 | { |
78589e07 | 1627 | int i; |
78589e07 | 1628 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 | 1629 | widget_value **submenu_stack |
38182d90 | 1630 | = alloca (menu_items_used * sizeof *submenu_stack); |
101bb4a5 | 1631 | Lisp_Object *subprefix_stack |
38182d90 | 1632 | = alloca (menu_items_used * sizeof *subprefix_stack); |
101bb4a5 | 1633 | int submenu_depth = 0; |
4e8d3549 | 1634 | |
78c8278d RS |
1635 | int first_pane; |
1636 | ||
9898bd0e | 1637 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 1638 | |
62af879c | 1639 | if (! FRAME_X_P (f)) |
1088b922 | 1640 | emacs_abort (); |
62af879c | 1641 | |
d4323972 | 1642 | *error_name = NULL; |
78589e07 | 1643 | |
742f715d KH |
1644 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1645 | { | |
d4323972 | 1646 | *error_name = "Empty menu"; |
742f715d KH |
1647 | return Qnil; |
1648 | } | |
63c414df | 1649 | |
78589e07 RS |
1650 | /* Create a tree of widget_value objects |
1651 | representing the panes and their items. */ | |
f7fab165 | 1652 | wv = xmalloc_widget_value (); |
78589e07 RS |
1653 | wv->name = "menu"; |
1654 | wv->value = 0; | |
1655 | wv->enabled = 1; | |
3427a3db | 1656 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1657 | wv->help =Qnil; |
78589e07 | 1658 | first_wv = wv; |
78c8278d | 1659 | first_pane = 1; |
177c0ea7 | 1660 | |
78589e07 RS |
1661 | /* Loop over all panes and items, filling in the tree. */ |
1662 | i = 0; | |
1663 | while (i < menu_items_used) | |
1664 | { | |
28be1ada | 1665 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1666 | { |
1667 | submenu_stack[submenu_depth++] = save_wv; | |
1668 | save_wv = prev_wv; | |
1669 | prev_wv = 0; | |
78c8278d | 1670 | first_pane = 1; |
101bb4a5 RS |
1671 | i++; |
1672 | } | |
28be1ada | 1673 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1674 | { |
1675 | prev_wv = save_wv; | |
1676 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1677 | first_pane = 0; |
101bb4a5 RS |
1678 | i++; |
1679 | } | |
28be1ada | 1680 | else if (EQ (AREF (menu_items, i), Qt) |
101bb4a5 RS |
1681 | && submenu_depth != 0) |
1682 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1683 | /* Ignore a nil in the item list. |
1684 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1685 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 1686 | i += 1; |
28be1ada | 1687 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1688 | { |
1689 | /* Create a new pane. */ | |
1690 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 1691 | const char *pane_string; |
177c0ea7 | 1692 | |
4c329aa8 GM |
1693 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1694 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1695 | |
703dc2a8 | 1696 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1697 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1698 | { | |
8af9fa55 | 1699 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1700 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1701 | } |
703dc2a8 | 1702 | #endif |
78589e07 | 1703 | pane_string = (NILP (pane_name) |
51b59d79 | 1704 | ? "" : SSDATA (pane_name)); |
101bb4a5 | 1705 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1706 | under the top-level menu. */ |
1707 | if (menu_items_n_panes == 1) | |
1708 | pane_string = ""; | |
1709 | ||
1710 | /* If the pane has a meaningful name, | |
1711 | make the pane a top-level menu item | |
1712 | with its items as a submenu beneath it. */ | |
78c8278d | 1713 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1714 | { |
f7fab165 | 1715 | wv = xmalloc_widget_value (); |
78589e07 RS |
1716 | if (save_wv) |
1717 | save_wv->next = wv; | |
1718 | else | |
1719 | first_wv->contents = wv; | |
b00876c9 | 1720 | wv->name = (char *) pane_string; |
78589e07 RS |
1721 | if (keymaps && !NILP (prefix)) |
1722 | wv->name++; | |
1723 | wv->value = 0; | |
1724 | wv->enabled = 1; | |
3427a3db | 1725 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1726 | wv->help = Qnil; |
78c8278d RS |
1727 | save_wv = wv; |
1728 | prev_wv = 0; | |
78589e07 | 1729 | } |
78c8278d RS |
1730 | else if (first_pane) |
1731 | { | |
1732 | save_wv = wv; | |
1733 | prev_wv = 0; | |
1734 | } | |
1735 | first_pane = 0; | |
78589e07 RS |
1736 | i += MENU_ITEMS_PANE_LENGTH; |
1737 | } | |
1738 | else | |
1739 | { | |
1740 | /* Create a new item within current pane. */ | |
9cd50434 | 1741 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1742 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1743 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1744 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1745 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1746 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1747 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1748 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1749 | |
703dc2a8 | 1750 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1751 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1752 | { |
646f98ec | 1753 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1754 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1755 | } |
177c0ea7 | 1756 | |
3427a3db | 1757 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1758 | { |
646f98ec | 1759 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1760 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1761 | } |
1762 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1763 | |
f7fab165 | 1764 | wv = xmalloc_widget_value (); |
177c0ea7 | 1765 | if (prev_wv) |
78589e07 | 1766 | prev_wv->next = wv; |
177c0ea7 | 1767 | else |
78589e07 | 1768 | save_wv->contents = wv; |
51b59d79 | 1769 | wv->name = SSDATA (item_name); |
78589e07 | 1770 | if (!NILP (descrip)) |
51b59d79 | 1771 | wv->key = SSDATA (descrip); |
78589e07 | 1772 | wv->value = 0; |
a352a815 RS |
1773 | /* If this item has a null value, |
1774 | make the call_data null so that it won't display a box | |
1775 | when the mouse is on it. */ | |
4939150c | 1776 | wv->call_data = !NILP (def) ? aref_addr (menu_items, i) : 0; |
78589e07 | 1777 | wv->enabled = !NILP (enable); |
3427a3db GM |
1778 | |
1779 | if (NILP (type)) | |
1780 | wv->button_type = BUTTON_TYPE_NONE; | |
1781 | else if (EQ (type, QCtoggle)) | |
1782 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1783 | else if (EQ (type, QCradio)) | |
1784 | wv->button_type = BUTTON_TYPE_RADIO; | |
1785 | else | |
1088b922 | 1786 | emacs_abort (); |
3427a3db GM |
1787 | |
1788 | wv->selected = !NILP (selected); | |
cc45fb40 | 1789 | |
0b1f4572 RS |
1790 | if (! STRINGP (help)) |
1791 | help = Qnil; | |
1792 | ||
1793 | wv->help = help; | |
cc45fb40 | 1794 | |
78589e07 RS |
1795 | prev_wv = wv; |
1796 | ||
1797 | i += MENU_ITEMS_ITEM_LENGTH; | |
1798 | } | |
1799 | } | |
1800 | ||
c98fcf4b | 1801 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1802 | if (!NILP (title)) |
1803 | { | |
f7fab165 RS |
1804 | widget_value *wv_title = xmalloc_widget_value (); |
1805 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1806 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1807 | |
1808 | wv_sep2->name = "--"; | |
1809 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1810 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1811 | |
1812 | wv_sep1->name = "--"; | |
1813 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1814 | wv_sep1->help = Qnil; |
4dedbfe0 | 1815 | |
703dc2a8 KH |
1816 | #ifndef HAVE_MULTILINGUAL_MENU |
1817 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1818 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1819 | #endif |
177c0ea7 | 1820 | |
51b59d79 | 1821 | wv_title->name = SSDATA (title); |
cc45fb40 | 1822 | wv_title->enabled = TRUE; |
3427a3db | 1823 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1824 | wv_title->help = Qnil; |
a9d8395f | 1825 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1826 | first_wv->contents = wv_title; |
1827 | } | |
1828 | ||
78589e07 RS |
1829 | /* No selection has been chosen yet. */ |
1830 | menu_item_selection = 0; | |
1831 | ||
ba24cea2 YM |
1832 | /* Make sure to free the widget_value objects we used to specify the |
1833 | contents even with longjmp. */ | |
1834 | record_unwind_protect (cleanup_widget_value_tree, | |
1835 | make_save_value (first_wv, 0)); | |
1836 | ||
488dd4c4 | 1837 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1838 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1839 | |
ba24cea2 | 1840 | unbind_to (specpdl_count, Qnil); |
18686d47 | 1841 | |
78589e07 RS |
1842 | /* Find the selected item, and its pane, to return |
1843 | the proper value. */ | |
1844 | if (menu_item_selection != 0) | |
1845 | { | |
c63f6952 | 1846 | Lisp_Object prefix, entry; |
78589e07 | 1847 | |
6bbd7a29 | 1848 | prefix = entry = Qnil; |
78589e07 RS |
1849 | i = 0; |
1850 | while (i < menu_items_used) | |
1851 | { | |
28be1ada | 1852 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1853 | { |
1854 | subprefix_stack[submenu_depth++] = prefix; | |
1855 | prefix = entry; | |
1856 | i++; | |
1857 | } | |
28be1ada | 1858 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1859 | { |
1860 | prefix = subprefix_stack[--submenu_depth]; | |
1861 | i++; | |
1862 | } | |
28be1ada | 1863 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1864 | { |
1865 | prefix | |
28be1ada | 1866 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
1867 | i += MENU_ITEMS_PANE_LENGTH; |
1868 | } | |
d31d42cc RS |
1869 | /* Ignore a nil in the item list. |
1870 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1871 | else if (EQ (AREF (menu_items, i), Qquote)) |
d31d42cc | 1872 | i += 1; |
78589e07 RS |
1873 | else |
1874 | { | |
1875 | entry | |
28be1ada | 1876 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 1877 | if (menu_item_selection == aref_addr (menu_items, i)) |
78589e07 | 1878 | { |
7cded46f | 1879 | if (keymaps) |
78589e07 | 1880 | { |
101bb4a5 RS |
1881 | int j; |
1882 | ||
78589e07 RS |
1883 | entry = Fcons (entry, Qnil); |
1884 | if (!NILP (prefix)) | |
1885 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1886 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1887 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1888 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1889 | } |
1890 | return entry; | |
1891 | } | |
1892 | i += MENU_ITEMS_ITEM_LENGTH; | |
1893 | } | |
1894 | } | |
1895 | } | |
be6ed24a RS |
1896 | else if (!for_click) |
1897 | /* Make "Cancel" equivalent to C-g. */ | |
1898 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1899 | |
1900 | return Qnil; | |
18686d47 | 1901 | } |
4dedbfe0 | 1902 | \f |
488dd4c4 JD |
1903 | #ifdef USE_GTK |
1904 | static void | |
971de7fb | 1905 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 1906 | { |
8ac068ac | 1907 | /* Treat the pointer as an integer. There's no problem |
488dd4c4 | 1908 | as long as pointers have enough bits to hold small integers. */ |
d01a7826 | 1909 | if ((intptr_t) client_data != -1) |
488dd4c4 JD |
1910 | menu_item_selection = (Lisp_Object *) client_data; |
1911 | ||
1912 | popup_activated_flag = 0; | |
1913 | } | |
1914 | ||
1915 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1916 | dialog pops down. | |
1917 | menu_item_selection will be set to the selection. */ | |
1918 | static void | |
971de7fb | 1919 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1920 | { |
1921 | GtkWidget *menu; | |
1922 | ||
62af879c | 1923 | if (! FRAME_X_P (f)) |
1088b922 | 1924 | emacs_abort (); |
62af879c | 1925 | |
488dd4c4 JD |
1926 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1927 | G_CALLBACK (dialog_selection_callback), | |
1928 | G_CALLBACK (popup_deactivate_callback), | |
1929 | 0); | |
1930 | ||
1931 | if (menu) | |
1932 | { | |
d311d28c | 1933 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
a130b901 | 1934 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1935 | |
488dd4c4 JD |
1936 | /* Display the menu. */ |
1937 | gtk_widget_show_all (menu); | |
1938 | ||
1939 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1940 | popup_widget_loop (1, menu); |
177c0ea7 | 1941 | |
af89e871 | 1942 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1943 | } |
1944 | } | |
1945 | ||
1946 | #else /* not USE_GTK */ | |
4dedbfe0 | 1947 | static void |
ebd15611 | 1948 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1949 | { |
4475bec4 | 1950 | /* Treat the pointer as an integer. There's no problem |
01d5e892 | 1951 | as long as pointers have enough bits to hold small integers. */ |
4475bec4 | 1952 | if ((intptr_t) client_data != -1) |
4dedbfe0 | 1953 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1954 | |
4d7e6e51 | 1955 | block_input (); |
4dedbfe0 | 1956 | lw_destroy_all_widgets (id); |
4d7e6e51 | 1957 | unblock_input (); |
9572375b | 1958 | popup_activated_flag = 0; |
4dedbfe0 | 1959 | } |
18686d47 | 1960 | |
488dd4c4 | 1961 | |
488dd4c4 JD |
1962 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1963 | dialog pops down. | |
1964 | menu_item_selection will be set to the selection. */ | |
1965 | static void | |
ebd15611 | 1966 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1967 | { |
1968 | LWLIB_ID dialog_id; | |
1969 | ||
62af879c | 1970 | if (!FRAME_X_P (f)) |
1088b922 | 1971 | emacs_abort (); |
62af879c | 1972 | |
488dd4c4 | 1973 | dialog_id = widget_id_tick++; |
52214050 | 1974 | #ifdef USE_LUCID |
1ecb2d3f JD |
1975 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1976 | #endif | |
488dd4c4 JD |
1977 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1978 | f->output_data.x->widget, 1, 0, | |
1979 | dialog_selection_callback, 0, 0); | |
1980 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1981 | /* Display the dialog box. */ |
1982 | lw_pop_up_all_widgets (dialog_id); | |
1983 | popup_activated_flag = 1; | |
98a20c65 | 1984 | x_activate_timeout_atimer (); |
488dd4c4 JD |
1985 | |
1986 | /* Process events that apply to the dialog box. | |
1987 | Also handle timers. */ | |
1988 | { | |
d311d28c | 1989 | ptrdiff_t count = SPECPDL_INDEX (); |
488dd4c4 | 1990 | int fact = 4 * sizeof (LWLIB_ID); |
177c0ea7 | 1991 | |
488dd4c4 | 1992 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 1993 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
1994 | Fcons (make_number (dialog_id >> (fact)), |
1995 | make_number (dialog_id & ~(-1 << (fact))))); | |
1996 | ||
df470e3b | 1997 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 1998 | dialog_id, 1); |
488dd4c4 JD |
1999 | |
2000 | unbind_to (count, Qnil); | |
2001 | } | |
2002 | } | |
2003 | ||
2004 | #endif /* not USE_GTK */ | |
2005 | ||
42ca4633 | 2006 | static const char * button_names [] = { |
165e1749 FP |
2007 | "button1", "button2", "button3", "button4", "button5", |
2008 | "button6", "button7", "button8", "button9", "button10" }; | |
2009 | ||
2010 | static Lisp_Object | |
42ca4633 | 2011 | xdialog_show (FRAME_PTR f, |
7cded46f | 2012 | bool keymaps, |
42ca4633 J |
2013 | Lisp_Object title, |
2014 | Lisp_Object header, | |
2015 | const char **error_name) | |
165e1749 FP |
2016 | { |
2017 | int i, nb_buttons=0; | |
80670155 | 2018 | char dialog_name[6]; |
165e1749 | 2019 | |
faa935b6 | 2020 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 2021 | |
fcaa7665 RS |
2022 | /* Number of elements seen so far, before boundary. */ |
2023 | int left_count = 0; | |
2024 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
2025 | int boundary_seen = 0; | |
2026 | ||
9898bd0e | 2027 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 2028 | |
62af879c | 2029 | if (! FRAME_X_P (f)) |
1088b922 | 2030 | emacs_abort (); |
62af879c | 2031 | |
6a040d6a | 2032 | *error_name = NULL; |
165e1749 | 2033 | |
80670155 RS |
2034 | if (menu_items_n_panes > 1) |
2035 | { | |
6a040d6a | 2036 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2037 | return Qnil; |
2038 | } | |
2039 | ||
165e1749 FP |
2040 | /* Create a tree of widget_value objects |
2041 | representing the text label and buttons. */ | |
2042 | { | |
2043 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2044 | const char *pane_string; |
28be1ada DA |
2045 | pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME); |
2046 | prefix = AREF (menu_items, MENU_ITEMS_PANE_PREFIX); | |
165e1749 | 2047 | pane_string = (NILP (pane_name) |
51b59d79 | 2048 | ? "" : SSDATA (pane_name)); |
f7fab165 | 2049 | prev_wv = xmalloc_widget_value (); |
b00876c9 | 2050 | prev_wv->value = (char *) pane_string; |
165e1749 FP |
2051 | if (keymaps && !NILP (prefix)) |
2052 | prev_wv->name++; | |
2053 | prev_wv->enabled = 1; | |
2054 | prev_wv->name = "message"; | |
27ad7b52 | 2055 | prev_wv->help = Qnil; |
165e1749 | 2056 | first_wv = prev_wv; |
177c0ea7 | 2057 | |
165e1749 FP |
2058 | /* Loop over all panes and items, filling in the tree. */ |
2059 | i = MENU_ITEMS_PANE_LENGTH; | |
2060 | while (i < menu_items_used) | |
2061 | { | |
177c0ea7 | 2062 | |
165e1749 FP |
2063 | /* Create a new item within current pane. */ |
2064 | Lisp_Object item_name, enable, descrip; | |
28be1ada DA |
2065 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2066 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
165e1749 | 2067 | descrip |
28be1ada | 2068 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
177c0ea7 | 2069 | |
80670155 RS |
2070 | if (NILP (item_name)) |
2071 | { | |
2072 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2073 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2074 | return Qnil; |
2075 | } | |
fcaa7665 RS |
2076 | if (EQ (item_name, Qquote)) |
2077 | { | |
2078 | /* This is the boundary between left-side elts | |
2079 | and right-side elts. Stop incrementing right_count. */ | |
2080 | boundary_seen = 1; | |
2081 | i++; | |
2082 | continue; | |
2083 | } | |
86e71abf | 2084 | if (nb_buttons >= 9) |
80670155 RS |
2085 | { |
2086 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2087 | *error_name = "Too many dialog items"; |
80670155 RS |
2088 | return Qnil; |
2089 | } | |
2090 | ||
f7fab165 | 2091 | wv = xmalloc_widget_value (); |
165e1749 | 2092 | prev_wv->next = wv; |
80670155 | 2093 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2094 | if (!NILP (descrip)) |
51b59d79 PE |
2095 | wv->key = SSDATA (descrip); |
2096 | wv->value = SSDATA (item_name); | |
4939150c | 2097 | wv->call_data = aref_addr (menu_items, i); |
165e1749 | 2098 | wv->enabled = !NILP (enable); |
27ad7b52 | 2099 | wv->help = Qnil; |
165e1749 FP |
2100 | prev_wv = wv; |
2101 | ||
fcaa7665 RS |
2102 | if (! boundary_seen) |
2103 | left_count++; | |
2104 | ||
165e1749 FP |
2105 | nb_buttons++; |
2106 | i += MENU_ITEMS_ITEM_LENGTH; | |
2107 | } | |
2108 | ||
fcaa7665 RS |
2109 | /* If the boundary was not specified, |
2110 | by default put half on the left and half on the right. */ | |
2111 | if (! boundary_seen) | |
2112 | left_count = nb_buttons - nb_buttons / 2; | |
2113 | ||
f7fab165 | 2114 | wv = xmalloc_widget_value (); |
80670155 | 2115 | wv->name = dialog_name; |
27ad7b52 | 2116 | wv->help = Qnil; |
6a040d6a NR |
2117 | |
2118 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2119 | Can also have 'E' = Error if, one day, we want | |
2120 | a popup for errors. */ | |
5e617bc2 | 2121 | if (NILP (header)) |
6a040d6a NR |
2122 | dialog_name[0] = 'Q'; |
2123 | else | |
2124 | dialog_name[0] = 'I'; | |
2125 | ||
80670155 RS |
2126 | /* Dialog boxes use a really stupid name encoding |
2127 | which specifies how many buttons to use | |
6a040d6a | 2128 | and how many buttons are on the right. */ |
80670155 RS |
2129 | dialog_name[1] = '0' + nb_buttons; |
2130 | dialog_name[2] = 'B'; | |
2131 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2132 | /* Number of buttons to put on the right. */ |
2133 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2134 | dialog_name[5] = 0; |
165e1749 FP |
2135 | wv->contents = first_wv; |
2136 | first_wv = wv; | |
165e1749 FP |
2137 | } |
2138 | ||
165e1749 FP |
2139 | /* No selection has been chosen yet. */ |
2140 | menu_item_selection = 0; | |
2141 | ||
ba24cea2 YM |
2142 | /* Make sure to free the widget_value objects we used to specify the |
2143 | contents even with longjmp. */ | |
2144 | record_unwind_protect (cleanup_widget_value_tree, | |
2145 | make_save_value (first_wv, 0)); | |
2146 | ||
488dd4c4 JD |
2147 | /* Actually create and show the dialog. */ |
2148 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2149 | |
ba24cea2 | 2150 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 2151 | |
488dd4c4 JD |
2152 | /* Find the selected item, and its pane, to return |
2153 | the proper value. */ | |
165e1749 FP |
2154 | if (menu_item_selection != 0) |
2155 | { | |
2156 | Lisp_Object prefix; | |
2157 | ||
2158 | prefix = Qnil; | |
2159 | i = 0; | |
2160 | while (i < menu_items_used) | |
2161 | { | |
2162 | Lisp_Object entry; | |
2163 | ||
28be1ada | 2164 | if (EQ (AREF (menu_items, i), Qt)) |
165e1749 FP |
2165 | { |
2166 | prefix | |
28be1ada | 2167 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
165e1749 FP |
2168 | i += MENU_ITEMS_PANE_LENGTH; |
2169 | } | |
28be1ada | 2170 | else if (EQ (AREF (menu_items, i), Qquote)) |
85996cfb GM |
2171 | { |
2172 | /* This is the boundary between left-side elts and | |
2173 | right-side elts. */ | |
2174 | ++i; | |
2175 | } | |
165e1749 FP |
2176 | else |
2177 | { | |
2178 | entry | |
28be1ada | 2179 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 2180 | if (menu_item_selection == aref_addr (menu_items, i)) |
165e1749 FP |
2181 | { |
2182 | if (keymaps != 0) | |
2183 | { | |
2184 | entry = Fcons (entry, Qnil); | |
2185 | if (!NILP (prefix)) | |
2186 | entry = Fcons (prefix, entry); | |
2187 | } | |
2188 | return entry; | |
2189 | } | |
2190 | i += MENU_ITEMS_ITEM_LENGTH; | |
2191 | } | |
2192 | } | |
2193 | } | |
9f6fcdc5 JD |
2194 | else |
2195 | /* Make "Cancel" equivalent to C-g. */ | |
2196 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2197 | |
2198 | return Qnil; | |
2199 | } | |
ba461919 | 2200 | |
488dd4c4 | 2201 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2202 | |
3e703b25 GM |
2203 | /* The frame of the last activated non-toolkit menu bar. |
2204 | Used to generate menu help events. */ | |
2205 | ||
2206 | static struct frame *menu_help_frame; | |
2207 | ||
2208 | ||
62145073 GM |
2209 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2210 | ||
2211 | PANE is the pane number, and ITEM is the menu item number in | |
2212 | the menu (currently not used). | |
177c0ea7 | 2213 | |
62145073 GM |
2214 | This cannot be done with generating a HELP_EVENT because |
2215 | XMenuActivate contains a loop that doesn't let Emacs process | |
2216 | keyboard events. */ | |
3e703b25 GM |
2217 | |
2218 | static void | |
eb18f6cc | 2219 | menu_help_callback (char const *help_string, int pane, int item) |
3e703b25 | 2220 | { |
62145073 GM |
2221 | Lisp_Object *first_item; |
2222 | Lisp_Object pane_name; | |
2223 | Lisp_Object menu_object; | |
177c0ea7 | 2224 | |
62145073 GM |
2225 | first_item = XVECTOR (menu_items)->contents; |
2226 | if (EQ (first_item[0], Qt)) | |
2227 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2228 | else if (EQ (first_item[0], Qquote)) | |
2229 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2230 | pane_name = empty_unibyte_string; |
62145073 GM |
2231 | else |
2232 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2233 | |
62145073 GM |
2234 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2235 | menu_object = Fcons (Qmenu_item, | |
2236 | Fcons (pane_name, | |
2237 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2238 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
f868cd8a | 2239 | Qnil, menu_object, make_number (item)); |
3e703b25 | 2240 | } |
177c0ea7 | 2241 | |
af89e871 | 2242 | static Lisp_Object |
0521f580 | 2243 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2244 | { |
a130b901 JD |
2245 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2246 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2247 | |
a130b901 JD |
2248 | FRAME_PTR f = p1->pointer; |
2249 | XMenu *menu = p2->pointer; | |
af89e871 | 2250 | |
4d7e6e51 | 2251 | block_input (); |
af89e871 | 2252 | #ifndef MSDOS |
a130b901 JD |
2253 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2254 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2255 | #endif |
a130b901 | 2256 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2257 | |
2258 | #ifdef HAVE_X_WINDOWS | |
2259 | /* Assume the mouse has moved out of the X window. | |
2260 | If it has actually moved in, we will get an EnterNotify. */ | |
2261 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2262 | ||
2263 | /* State that no mouse buttons are now held. | |
2264 | (The oldXMenu code doesn't track this info for us.) | |
2265 | That is not necessarily true, but the fiction leads to reasonable | |
2266 | results, and it is a pain to ask which are actually held now. */ | |
2267 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2268 | ||
2269 | #endif /* HAVE_X_WINDOWS */ | |
2270 | ||
4d7e6e51 | 2271 | unblock_input (); |
af89e871 JD |
2272 | |
2273 | return Qnil; | |
2274 | } | |
2275 | ||
3e703b25 | 2276 | |
1fb99a3a | 2277 | Lisp_Object |
7cded46f | 2278 | xmenu_show (FRAME_PTR f, int x, int y, bool for_click, bool keymaps, |
08dc5ae6 | 2279 | Lisp_Object title, const char **error_name, Time timestamp) |
dcfdbac7 | 2280 | { |
177c0ea7 | 2281 | Window root; |
78589e07 RS |
2282 | XMenu *menu; |
2283 | int pane, selidx, lpane, status; | |
2284 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2285 | char *datap; |
2286 | int ulx, uly, width, height; | |
2287 | int dispwidth, dispheight; | |
453a4f1b | 2288 | int i, j, lines, maxlines; |
4e8d3549 | 2289 | int maxwidth; |
78589e07 RS |
2290 | int dummy_int; |
2291 | unsigned int dummy_uint; | |
d311d28c | 2292 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2293 | |
a9e1244d | 2294 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
1088b922 | 2295 | emacs_abort (); |
62af879c | 2296 | |
bf501fb9 | 2297 | *error_name = 0; |
78589e07 RS |
2298 | if (menu_items_n_panes == 0) |
2299 | return Qnil; | |
088831f6 | 2300 | |
742f715d KH |
2301 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2302 | { | |
bf501fb9 | 2303 | *error_name = "Empty menu"; |
742f715d KH |
2304 | return Qnil; |
2305 | } | |
2306 | ||
78589e07 | 2307 | /* Figure out which root window F is on. */ |
92280f67 | 2308 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2309 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2310 | &dummy_uint, &dummy_uint); | |
18686d47 | 2311 | |
78589e07 | 2312 | /* Make the menu on that window. */ |
92280f67 | 2313 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2314 | if (menu == NULL) |
dcfdbac7 | 2315 | { |
bf501fb9 | 2316 | *error_name = "Can't create menu"; |
78589e07 | 2317 | return Qnil; |
dcfdbac7 | 2318 | } |
78589e07 | 2319 | |
d130d129 RS |
2320 | /* Don't GC while we prepare and show the menu, |
2321 | because we give the oldxmenu library pointers to the | |
2322 | contents of strings. */ | |
2323 | inhibit_garbage_collection (); | |
2324 | ||
87485d6f | 2325 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2326 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2327 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2328 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2329 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2330 | |
2331 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2332 | x += f->left_pos; |
2333 | y += f->top_pos; | |
177c0ea7 | 2334 | |
78589e07 | 2335 | /* Create all the necessary panes and their items. */ |
eef9bc79 PE |
2336 | maxwidth = maxlines = lines = i = 0; |
2337 | lpane = XM_FAILURE; | |
78589e07 | 2338 | while (i < menu_items_used) |
dcfdbac7 | 2339 | { |
28be1ada | 2340 | if (EQ (AREF (menu_items, i), Qt)) |
dcfdbac7 | 2341 | { |
78589e07 RS |
2342 | /* Create a new pane. */ |
2343 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2344 | const char *pane_string; |
78589e07 | 2345 | |
453a4f1b JD |
2346 | maxlines = max (maxlines, lines); |
2347 | lines = 0; | |
28be1ada DA |
2348 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
2349 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
78589e07 | 2350 | pane_string = (NILP (pane_name) |
51b59d79 | 2351 | ? "" : SSDATA (pane_name)); |
78589e07 RS |
2352 | if (keymaps && !NILP (prefix)) |
2353 | pane_string++; | |
2354 | ||
92280f67 | 2355 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2356 | if (lpane == XM_FAILURE) |
2357 | { | |
92280f67 | 2358 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2359 | *error_name = "Can't create pane"; |
78589e07 RS |
2360 | return Qnil; |
2361 | } | |
2362 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2363 | |
2364 | /* Find the width of the widest item in this pane. */ | |
4e8d3549 RS |
2365 | j = i; |
2366 | while (j < menu_items_used) | |
2367 | { | |
2368 | Lisp_Object item; | |
28be1ada | 2369 | item = AREF (menu_items, j); |
4e8d3549 RS |
2370 | if (EQ (item, Qt)) |
2371 | break; | |
2372 | if (NILP (item)) | |
2373 | { | |
2374 | j++; | |
2375 | continue; | |
2376 | } | |
d5db4077 | 2377 | width = SBYTES (item); |
4e8d3549 RS |
2378 | if (width > maxwidth) |
2379 | maxwidth = width; | |
2380 | ||
2381 | j += MENU_ITEMS_ITEM_LENGTH; | |
2382 | } | |
dcfdbac7 | 2383 | } |
fcaa7665 RS |
2384 | /* Ignore a nil in the item list. |
2385 | It's meaningful only for dialog boxes. */ | |
28be1ada | 2386 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 2387 | i += 1; |
78589e07 | 2388 | else |
dcfdbac7 | 2389 | { |
78589e07 | 2390 | /* Create a new item within current pane. */ |
3e703b25 | 2391 | Lisp_Object item_name, enable, descrip, help; |
eb18f6cc PE |
2392 | char *item_data; |
2393 | char const *help_string; | |
78589e07 | 2394 | |
28be1ada DA |
2395 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2396 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
78589e07 | 2397 | descrip |
28be1ada DA |
2398 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
2399 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
eb18f6cc | 2400 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
177c0ea7 | 2401 | |
78589e07 | 2402 | if (!NILP (descrip)) |
4e8d3549 | 2403 | { |
4e8d3549 RS |
2404 | /* if alloca is fast, use that to make the space, |
2405 | to reduce gc needs. */ | |
38182d90 | 2406 | item_data = alloca (maxwidth + SBYTES (descrip) + 1); |
eb18f6cc | 2407 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); |
d5db4077 | 2408 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2409 | item_data[j] = ' '; |
eb18f6cc | 2410 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2411 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2412 | } |
2413 | else | |
eb18f6cc | 2414 | item_data = SSDATA (item_name); |
78589e07 | 2415 | |
eef9bc79 PE |
2416 | if (lpane == XM_FAILURE |
2417 | || (XMenuAddSelection (FRAME_X_DISPLAY (f), | |
2418 | menu, lpane, 0, item_data, | |
2419 | !NILP (enable), help_string) | |
2420 | == XM_FAILURE)) | |
dcfdbac7 | 2421 | { |
92280f67 | 2422 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2423 | *error_name = "Can't add selection to menu"; |
78589e07 | 2424 | return Qnil; |
dcfdbac7 | 2425 | } |
78589e07 | 2426 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2427 | lines++; |
dcfdbac7 JB |
2428 | } |
2429 | } | |
4e8d3549 | 2430 | |
453a4f1b JD |
2431 | maxlines = max (maxlines, lines); |
2432 | ||
78589e07 | 2433 | /* All set and ready to fly. */ |
92280f67 | 2434 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2435 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2436 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2437 | x = min (x, dispwidth); |
2438 | y = min (y, dispheight); | |
2439 | x = max (x, 1); | |
2440 | y = max (y, 1); | |
92280f67 | 2441 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2442 | &ulx, &uly, &width, &height); |
2443 | if (ulx+width > dispwidth) | |
2444 | { | |
78589e07 | 2445 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2446 | ulx = dispwidth - width; |
2447 | } | |
2448 | if (uly+height > dispheight) | |
2449 | { | |
78589e07 | 2450 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2451 | uly = dispheight - height; |
2452 | } | |
2de7397f EZ |
2453 | #ifndef HAVE_X_WINDOWS |
2454 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2455 | { | |
2456 | /* Move the menu away of the echo area, to avoid overwriting the | |
2457 | menu with help echo messages or vice versa. */ | |
2458 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2459 | { | |
2460 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2461 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2462 | } | |
2463 | else | |
2464 | { | |
2465 | y--; | |
2466 | uly--; | |
2467 | } | |
2468 | } | |
2469 | #endif | |
78589e07 RS |
2470 | if (ulx < 0) x -= ulx; |
2471 | if (uly < 0) y -= uly; | |
121e4555 | 2472 | |
453a4f1b JD |
2473 | if (! for_click) |
2474 | { | |
2475 | /* If position was not given by a mouse click, adjust so upper left | |
2476 | corner of the menu as a whole ends up at given coordinates. This | |
2477 | is what x-popup-menu says in its documentation. */ | |
2478 | x += width/2; | |
2479 | y += 1.5*height/(maxlines+2); | |
2480 | } | |
2481 | ||
121e4555 | 2482 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2483 | XMenuSetFreeze (menu, TRUE); |
2484 | pane = selidx = 0; | |
3e703b25 | 2485 | |
c3438661 JD |
2486 | #ifndef MSDOS |
2487 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2488 | #endif | |
59cfb104 | 2489 | |
a130b901 JD |
2490 | record_unwind_protect (pop_down_menu, |
2491 | Fcons (make_save_value (f, 0), | |
2492 | make_save_value (menu, 0))); | |
c3438661 | 2493 | |
3e703b25 GM |
2494 | /* Help display under X won't work because XMenuActivate contains |
2495 | a loop that doesn't give Emacs a chance to process it. */ | |
2496 | menu_help_frame = f; | |
92280f67 | 2497 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2498 | x, y, ButtonReleaseMask, &datap, |
2499 | menu_help_callback); | |
eef9bc79 | 2500 | entry = pane_prefix = Qnil; |
a352a815 | 2501 | |
dcfdbac7 JB |
2502 | switch (status) |
2503 | { | |
2504 | case XM_SUCCESS: | |
2505 | #ifdef XDEBUG | |
2506 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2507 | #endif | |
fa6d54d9 | 2508 | |
78589e07 RS |
2509 | /* Find the item number SELIDX in pane number PANE. */ |
2510 | i = 0; | |
2511 | while (i < menu_items_used) | |
fa6d54d9 | 2512 | { |
28be1ada | 2513 | if (EQ (AREF (menu_items, i), Qt)) |
088831f6 | 2514 | { |
78589e07 RS |
2515 | if (pane == 0) |
2516 | pane_prefix | |
28be1ada | 2517 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
2518 | pane--; |
2519 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2520 | } |
78589e07 | 2521 | else |
ab6ee1a0 | 2522 | { |
78589e07 | 2523 | if (pane == -1) |
ab6ee1a0 | 2524 | { |
78589e07 | 2525 | if (selidx == 0) |
ab6ee1a0 | 2526 | { |
78589e07 | 2527 | entry |
28be1ada | 2528 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
7cded46f | 2529 | if (keymaps) |
ab6ee1a0 | 2530 | { |
78589e07 RS |
2531 | entry = Fcons (entry, Qnil); |
2532 | if (!NILP (pane_prefix)) | |
2533 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2534 | } |
78589e07 | 2535 | break; |
ab6ee1a0 | 2536 | } |
78589e07 | 2537 | selidx--; |
ab6ee1a0 | 2538 | } |
78589e07 | 2539 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2540 | } |
2541 | } | |
78589e07 | 2542 | break; |
dcfdbac7 | 2543 | |
78589e07 | 2544 | case XM_FAILURE: |
bf501fb9 | 2545 | *error_name = "Can't activate menu"; |
78589e07 | 2546 | case XM_IA_SELECT: |
9f6fcdc5 | 2547 | break; |
78589e07 | 2548 | case XM_NO_SELECT: |
be6ed24a RS |
2549 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2550 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2551 | if (! for_click) |
2552 | Fsignal (Qquit, Qnil); | |
78589e07 | 2553 | break; |
dcfdbac7 | 2554 | } |
a5285df3 | 2555 | |
af89e871 | 2556 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2557 | |
78589e07 | 2558 | return entry; |
dcfdbac7 | 2559 | } |
4dedbfe0 | 2560 | |
78589e07 | 2561 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2562 | |
2563 | #endif /* HAVE_MENUS */ | |
e3135734 | 2564 | |
d009ae66 EZ |
2565 | #ifndef MSDOS |
2566 | /* Detect if a dialog or menu has been posted. MSDOS has its own | |
2567 | implementation on msdos.c. */ | |
b79b8a1c | 2568 | |
077288cf | 2569 | int ATTRIBUTE_CONST |
971de7fb | 2570 | popup_activated (void) |
b79b8a1c CY |
2571 | { |
2572 | return popup_activated_flag; | |
2573 | } | |
d009ae66 | 2574 | #endif /* not MSDOS */ |
e3135734 CY |
2575 | |
2576 | /* The following is used by delayed window autoselection. */ | |
2577 | ||
2578 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2579 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2580 | (void) |
e3135734 CY |
2581 | { |
2582 | #ifdef HAVE_MENUS | |
2583 | return (popup_activated ()) ? Qt : Qnil; | |
2584 | #else | |
2585 | return Qnil; | |
2586 | #endif /* HAVE_MENUS */ | |
2587 | } | |
088831f6 | 2588 | \f |
dfcf069d | 2589 | void |
971de7fb | 2590 | syms_of_xmenu (void) |
dcfdbac7 | 2591 | { |
cd3520a4 | 2592 | DEFSYM (Qdebug_on_next_call, "debug-on-next-call"); |
0314aacb | 2593 | |
8ed87156 | 2594 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2595 | widget_id_tick = (1<<16); |
88766961 | 2596 | next_menubar_widget_id = 1; |
8ed87156 RS |
2597 | #endif |
2598 | ||
508fb067 | 2599 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2600 | |
2601 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2602 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2603 | Ffset (intern_c_string ("accelerate-menu"), |
2604 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2605 | #endif |
2606 | ||
1e659e4c | 2607 | #ifdef HAVE_MENUS |
165e1749 | 2608 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2609 | #endif |
dcfdbac7 | 2610 | } |