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> |
d7306fe6 | 36 | #include <setjmp.h> |
7ee72033 | 37 | |
dcfdbac7 | 38 | #include "lisp.h" |
02067692 | 39 | #include "keyboard.h" |
5ee707b8 | 40 | #include "keymap.h" |
7708e9bd | 41 | #include "frame.h" |
428a555e | 42 | #include "termhooks.h" |
dcfdbac7 | 43 | #include "window.h" |
9ac0d9e0 | 44 | #include "blockinput.h" |
e5560ff7 | 45 | #include "character.h" |
88766961 | 46 | #include "buffer.h" |
cc45fb40 SM |
47 | #include "charset.h" |
48 | #include "coding.h" | |
c3438661 | 49 | #include "sysselect.h" |
dcfdbac7 | 50 | |
eeee3112 RS |
51 | #ifdef MSDOS |
52 | #include "msdos.h" | |
53 | #endif | |
54 | ||
87485d6f | 55 | #ifdef HAVE_X_WINDOWS |
dcfdbac7 JB |
56 | /* This may include sys/types.h, and that somehow loses |
57 | if this is not done before the other system files. */ | |
58 | #include "xterm.h" | |
87485d6f | 59 | #endif |
dcfdbac7 JB |
60 | |
61 | /* Load sys/types.h if not already loaded. | |
62 | In some systems loading it twice is suicidal. */ | |
63 | #ifndef makedev | |
64 | #include <sys/types.h> | |
65 | #endif | |
66 | ||
67 | #include "dispextern.h" | |
68 | ||
87485d6f | 69 | #ifdef HAVE_X_WINDOWS |
646f98ec DL |
70 | /* Defining HAVE_MULTILINGUAL_MENU would mean that the toolkit menu |
71 | code accepts the Emacs internal encoding. */ | |
703dc2a8 | 72 | #undef HAVE_MULTILINGUAL_MENU |
18686d47 | 73 | #ifdef USE_X_TOOLKIT |
991786dd | 74 | #include "widget.h" |
18686d47 RS |
75 | #include <X11/Xlib.h> |
76 | #include <X11/IntrinsicP.h> | |
77 | #include <X11/CoreP.h> | |
78 | #include <X11/StringDefs.h> | |
60f312e2 | 79 | #include <X11/Shell.h> |
5ee80bd3 | 80 | #ifdef USE_LUCID |
99852628 JD |
81 | #include "xsettings.h" |
82 | #include "../lwlib/xlwmenu.h" | |
5262c5c7 CY |
83 | #ifdef HAVE_XAW3D |
84 | #include <X11/Xaw3d/Paned.h> | |
85 | #else /* !HAVE_XAW3D */ | |
1d1c1567 | 86 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 87 | #endif /* HAVE_XAW3D */ |
5ee80bd3 | 88 | #endif /* USE_LUCID */ |
c865c575 | 89 | #ifdef USE_MOTIF |
dee186b6 | 90 | #include "../lwlib/lwlib.h" |
c865c575 | 91 | #endif |
a352a815 | 92 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 | 93 | #ifndef USE_GTK |
a352a815 | 94 | #include "../oldXMenu/XMenu.h" |
488dd4c4 | 95 | #endif |
a352a815 RS |
96 | #endif /* not USE_X_TOOLKIT */ |
97 | #endif /* HAVE_X_WINDOWS */ | |
18686d47 | 98 | |
e7c9048f AS |
99 | #ifdef USE_GTK |
100 | #include "gtkutil.h" | |
93d5ca1f JD |
101 | #ifdef HAVE_GTK3 |
102 | #include "xgselect.h" | |
103 | #endif | |
e7c9048f AS |
104 | #endif |
105 | ||
106 | #include "menu.h" | |
107 | ||
dcfdbac7 JB |
108 | #ifndef TRUE |
109 | #define TRUE 1 | |
78589e07 | 110 | #endif /* no TRUE */ |
dcfdbac7 | 111 | |
955cbe7b | 112 | static Lisp_Object Qdebug_on_next_call; |
0314aacb | 113 | |
04bab72c | 114 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
f57e2426 | 115 | static Lisp_Object xdialog_show (FRAME_PTR, int, Lisp_Object, Lisp_Object, |
42ca4633 | 116 | const char **); |
3427a3db | 117 | #endif |
78589e07 | 118 | \f |
4dedbfe0 | 119 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 120 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 121 | static int popup_activated_flag; |
4dedbfe0 | 122 | |
bd3a4da2 | 123 | \f |
88766961 | 124 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 125 | |
281585b0 PE |
126 | static int next_menubar_widget_id; |
127 | ||
7556890b | 128 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 129 | |
88766961 | 130 | static struct frame * |
ebd15611 | 131 | menubar_id_to_frame (LWLIB_ID id) |
88766961 RS |
132 | { |
133 | Lisp_Object tail, frame; | |
134 | FRAME_PTR f; | |
bd3a4da2 | 135 | |
8e50cc2d | 136 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
bd3a4da2 | 137 | { |
8e713be6 | 138 | frame = XCAR (tail); |
8e50cc2d | 139 | if (!FRAMEP (frame)) |
88766961 RS |
140 | continue; |
141 | f = XFRAME (frame); | |
2d764c78 | 142 | if (!FRAME_WINDOW_P (f)) |
88766961 | 143 | continue; |
7556890b | 144 | if (f->output_data.x->id == id) |
88766961 | 145 | return f; |
bd3a4da2 | 146 | } |
88766961 | 147 | return 0; |
bd3a4da2 | 148 | } |
88766961 RS |
149 | |
150 | #endif | |
4dedbfe0 | 151 | \f |
a894238b JD |
152 | #ifdef HAVE_X_WINDOWS |
153 | /* Return the mouse position in *X and *Y. The coordinates are window | |
154 | relative for the edit window in frame F. | |
155 | This is for Fx_popup_menu. The mouse_position_hook can not | |
156 | be used for X, as it returns window relative coordinates | |
157 | for the window where the mouse is in. This could be the menu bar, | |
158 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
159 | sure it is the edit window. */ | |
ef7417fd | 160 | void |
971de7fb | 161 | mouse_position_for_popup (FRAME_PTR f, int *x, int *y) |
a894238b JD |
162 | { |
163 | Window root, dummy_window; | |
164 | int dummy; | |
165 | ||
62af879c | 166 | if (! FRAME_X_P (f)) |
1088b922 | 167 | emacs_abort (); |
62af879c | 168 | |
a894238b | 169 | BLOCK_INPUT; |
177c0ea7 | 170 | |
a894238b JD |
171 | XQueryPointer (FRAME_X_DISPLAY (f), |
172 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
173 | ||
174 | /* The root window which contains the pointer. */ | |
175 | &root, | |
176 | ||
177 | /* Window pointer is on, not used */ | |
178 | &dummy_window, | |
179 | ||
180 | /* The position on that root window. */ | |
181 | x, y, | |
182 | ||
183 | /* x/y in dummy_window coordinates, not used. */ | |
184 | &dummy, &dummy, | |
185 | ||
186 | /* Modifier keys and pointer buttons, about which | |
187 | we don't care. */ | |
188 | (unsigned int *) &dummy); | |
189 | ||
190 | UNBLOCK_INPUT; | |
191 | ||
192 | /* xmenu_show expects window coordinates, not root window | |
193 | coordinates. Translate. */ | |
9882535b KS |
194 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
195 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
196 | } |
197 | ||
198 | #endif /* HAVE_X_WINDOWS */ | |
199 | ||
1e659e4c RS |
200 | #ifdef HAVE_MENUS |
201 | ||
a7ca3326 | 202 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 203 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
204 | POSITION specifies which frame to use. |
205 | This is normally a mouse button event or a window or frame. | |
206 | If POSITION is t, it means to use the frame the mouse is on. | |
207 | The dialog box appears in the middle of the specified frame. | |
208 | ||
209 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 210 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
211 | Each ITEM is a cons cell (STRING . VALUE). |
212 | The return value is VALUE from the chosen item. | |
213 | ||
214 | An ITEM may also be just a string--that makes a nonselectable item. | |
215 | An ITEM may also be nil--that means to put all preceding items | |
216 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
217 | \(By default, approximately half appear on each side.) |
218 | ||
6a040d6a NR |
219 | If HEADER is non-nil, the frame title for the box is "Information", |
220 | otherwise it is "Question". | |
221 | ||
c05fe5d5 LT |
222 | If the user gets rid of the dialog box without making a valid choice, |
223 | for instance using the window manager, then this produces a quit and | |
224 | `x-popup-dialog' does not return. */) | |
5842a27b | 225 | (Lisp_Object position, Lisp_Object contents, Lisp_Object header) |
165e1749 | 226 | { |
cc45fb40 | 227 | FRAME_PTR f = NULL; |
99fe880d | 228 | Lisp_Object window; |
165e1749 FP |
229 | |
230 | check_x (); | |
231 | ||
99fe880d | 232 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 233 | if (EQ (position, Qt) |
2b06561a DL |
234 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
235 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 236 | { |
b14db4d7 | 237 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 238 | /* Use the mouse's current position. */ |
b404828f | 239 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 240 | Lisp_Object bar_window; |
cc45fb40 | 241 | enum scroll_bar_part part; |
08dc5ae6 | 242 | Time time; |
99fe880d | 243 | Lisp_Object x, y; |
165e1749 | 244 | |
46b657e2 | 245 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 246 | |
99fe880d | 247 | if (new_f != 0) |
a39f0477 | 248 | XSETFRAME (window, new_f); |
99fe880d RS |
249 | else |
250 | window = selected_window; | |
b14db4d7 | 251 | #endif |
88d4f6ec | 252 | window = selected_window; |
99fe880d RS |
253 | } |
254 | else if (CONSP (position)) | |
255 | { | |
7d7bbefd | 256 | Lisp_Object tem = XCAR (position); |
b5bb2705 | 257 | if (CONSP (tem)) |
34348bd4 | 258 | window = Fcar (XCDR (position)); |
80670155 RS |
259 | else |
260 | { | |
34348bd4 | 261 | tem = Fcar (XCDR (position)); /* EVENT_START (position) */ |
99fe880d | 262 | window = Fcar (tem); /* POSN_WINDOW (tem) */ |
165e1749 | 263 | } |
165e1749 | 264 | } |
99fe880d RS |
265 | else if (WINDOWP (position) || FRAMEP (position)) |
266 | window = position; | |
a9be6839 RS |
267 | else |
268 | window = Qnil; | |
165e1749 | 269 | |
99fe880d | 270 | /* Decode where to put the menu. */ |
165e1749 | 271 | |
b5bb2705 | 272 | if (FRAMEP (window)) |
99fe880d | 273 | f = XFRAME (window); |
b5bb2705 | 274 | else if (WINDOWP (window)) |
165e1749 | 275 | { |
b7826503 | 276 | CHECK_LIVE_WINDOW (window); |
99fe880d | 277 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 278 | } |
99fe880d RS |
279 | else |
280 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
281 | but I don't want to make one now. */ | |
b7826503 | 282 | CHECK_WINDOW (window); |
165e1749 | 283 | |
a9e1244d EZ |
284 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
285 | error ("Can not put X dialog on this terminal"); | |
62af879c | 286 | |
5da9fdfa YM |
287 | /* Force a redisplay before showing the dialog. If a frame is created |
288 | just before showing the dialog, its contents may not have been fully | |
289 | drawn, as this depends on timing of events from the X server. Redisplay | |
290 | is not done when a dialog is shown. If redisplay could be done in the | |
291 | X event loop (i.e. the X event loop does not run in a signal handler) | |
292 | this would not be needed. | |
293 | ||
294 | Do this before creating the widget value that points to Lisp | |
295 | string contents, because Fredisplay may GC and relocate them. */ | |
296 | Fredisplay (Qt); | |
297 | ||
488dd4c4 | 298 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
299 | /* Display a menu with these alternatives |
300 | in the middle of frame F. */ | |
301 | { | |
302 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
303 | XSETFRAME (frame, f); |
304 | XSETINT (x, x_pixel_width (f) / 2); | |
305 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
306 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
307 | ||
308 | return Fx_popup_menu (newpos, | |
309 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
310 | } | |
311 | #else | |
312 | { | |
313 | Lisp_Object title; | |
42ca4633 | 314 | const char *error_name; |
99fe880d | 315 | Lisp_Object selection; |
d311d28c | 316 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
165e1749 | 317 | |
99fe880d RS |
318 | /* Decode the dialog items from what was specified. */ |
319 | title = Fcar (contents); | |
b7826503 | 320 | CHECK_STRING (title); |
86fad4ec | 321 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 322 | |
6b61353c KH |
323 | if (NILP (Fcar (Fcdr (contents)))) |
324 | /* No buttons specified, add an "Ok" button so users can pop down | |
325 | the dialog. Also, the lesstif/motif version crashes if there are | |
326 | no buttons. */ | |
327 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 328 | |
99fe880d | 329 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 330 | |
99fe880d RS |
331 | /* Display them in a dialog box. */ |
332 | BLOCK_INPUT; | |
6a040d6a | 333 | selection = xdialog_show (f, 0, title, header, &error_name); |
99fe880d | 334 | UNBLOCK_INPUT; |
165e1749 | 335 | |
86fad4ec | 336 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
337 | discard_menu_items (); |
338 | ||
f390e2d5 | 339 | if (error_name) error ("%s", error_name); |
99fe880d RS |
340 | return selection; |
341 | } | |
7464b131 | 342 | #endif |
392d3f4b | 343 | } |
c3438661 JD |
344 | |
345 | ||
346 | #ifndef MSDOS | |
347 | ||
4475bec4 PE |
348 | #if defined USE_GTK || defined USE_MOTIF |
349 | ||
b3935289 JD |
350 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
351 | ||
352 | void | |
971de7fb | 353 | x_menu_set_in_use (int in_use) |
b3935289 JD |
354 | { |
355 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 356 | popup_activated_flag = in_use; |
73dba342 | 357 | #ifdef USE_X_TOOLKIT |
98a20c65 CY |
358 | if (popup_activated_flag) |
359 | x_activate_timeout_atimer (); | |
73dba342 | 360 | #endif |
b3935289 JD |
361 | } |
362 | ||
4475bec4 PE |
363 | #endif |
364 | ||
c3438661 JD |
365 | /* Wait for an X event to arrive or for a timer to expire. */ |
366 | ||
6f37259d PE |
367 | #ifndef USE_MOTIF |
368 | static | |
369 | #endif | |
b3935289 | 370 | void |
c3438661 JD |
371 | x_menu_wait_for_event (void *data) |
372 | { | |
c3438661 JD |
373 | /* Another way to do this is to register a timer callback, that can be |
374 | done in GTK and Xt. But we have to do it like this when using only X | |
375 | anyway, and with callbacks we would have three variants for timer handling | |
376 | instead of the small ifdefs below. */ | |
377 | ||
378 | while ( | |
379 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 380 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
381 | #elif defined USE_GTK |
382 | ! gtk_events_pending () | |
383 | #else | |
384 | ! XPending ((Display*) data) | |
385 | #endif | |
386 | ) | |
387 | { | |
f868cd8a | 388 | EMACS_TIME next_time = timer_check (), *ntp; |
c3438661 JD |
389 | SELECT_TYPE read_fds; |
390 | struct x_display_info *dpyinfo; | |
391 | int n = 0; | |
392 | ||
393 | FD_ZERO (&read_fds); | |
394 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
395 | { | |
396 | int fd = ConnectionNumber (dpyinfo->display); | |
397 | FD_SET (fd, &read_fds); | |
398 | if (fd > n) n = fd; | |
11814156 | 399 | XFlush (dpyinfo->display); |
c3438661 JD |
400 | } |
401 | ||
d35af63c | 402 | if (! EMACS_TIME_VALID_P (next_time)) |
e90292a9 JD |
403 | ntp = 0; |
404 | else | |
405 | ntp = &next_time; | |
c3438661 | 406 | |
93d5ca1f | 407 | #ifdef HAVE_GTK3 |
63def6b6 CY |
408 | /* Gtk3 have arrows on menus when they don't fit. When the |
409 | pointer is over an arrow, a timeout scrolls it a bit. Use | |
410 | xg_select so that timeout gets triggered. */ | |
411 | xg_select (n + 1, &read_fds, NULL, NULL, ntp, NULL); | |
93d5ca1f | 412 | #else |
d35af63c | 413 | pselect (n + 1, &read_fds, NULL, NULL, ntp, NULL); |
93d5ca1f | 414 | #endif |
c3438661 JD |
415 | } |
416 | } | |
417 | #endif /* ! MSDOS */ | |
418 | ||
78589e07 | 419 | \f |
488dd4c4 | 420 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 421 | |
f1d1cd24 JD |
422 | #ifdef USE_X_TOOLKIT |
423 | ||
4dedbfe0 | 424 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 425 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
426 | and x-popup-dialog; it is not used for the menu bar. |
427 | ||
2e2b8e22 | 428 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 429 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 430 | |
f02cac82 | 431 | static void |
ebd15611 | 432 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 433 | { |
4dedbfe0 | 434 | XEvent event; |
f02cac82 | 435 | |
8b806a85 JD |
436 | while (popup_activated_flag) |
437 | { | |
c0b0f54b | 438 | if (initial_event) |
8b806a85 JD |
439 | { |
440 | event = *initial_event; | |
441 | initial_event = 0; | |
442 | } | |
443 | else | |
c3438661 JD |
444 | { |
445 | if (do_timers) x_menu_wait_for_event (0); | |
446 | XtAppNextEvent (Xt_app_con, &event); | |
447 | } | |
78589e07 | 448 | |
10624005 | 449 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
450 | And make sure to deactivate for any ButtonRelease, |
451 | even if XtDispatchEvent doesn't do that. */ | |
452 | if (event.type == ButtonRelease | |
453 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
454 | { |
455 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 456 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
457 | Btn1Down seems the only way to convince Motif to |
458 | activate its callbacks; setting the XmNmenuPost | |
459 | isn't working. --marcus@sysc.pdx.edu. */ | |
460 | event.xbutton.button = 1; | |
461 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
462 | key is pressed and the button is released. So reset key state | |
463 | so Motif thinks this is the case. */ | |
464 | event.xbutton.state = 0; | |
c8b5aa3d | 465 | #endif |
10624005 | 466 | } |
33385c6f | 467 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 468 | else if (event.type == KeyPress |
10624005 | 469 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
470 | { |
471 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 472 | |
33385c6f JD |
473 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
474 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 475 | popup_activated_flag = 0; |
8b806a85 | 476 | } |
177c0ea7 | 477 | |
8b806a85 | 478 | x_dispatch_event (&event, event.xany.display); |
aa669def | 479 | } |
78589e07 RS |
480 | } |
481 | ||
12b6af5c | 482 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
483 | doc: /* Start key navigation of the menu bar in FRAME. |
484 | This initially opens the first menu bar item and you can then navigate with the | |
485 | arrow keys, select a menu entry with the return key or cancel with the | |
486 | escape key. If FRAME has no menu bar this function does nothing. | |
487 | ||
488 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 489 | (Lisp_Object frame) |
22badffe JD |
490 | { |
491 | XEvent ev; | |
492 | FRAME_PTR f = check_x_frame (frame); | |
493 | Widget menubar; | |
494 | BLOCK_INPUT; | |
495 | ||
496 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
497 | set_frame_menubar (f, 0, 1); | |
498 | ||
499 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
500 | if (menubar) | |
501 | { | |
502 | Window child; | |
503 | int error_p = 0; | |
504 | ||
505 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
506 | memset (&ev, 0, sizeof ev); | |
507 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
508 | ev.xbutton.window = XtWindow (menubar); | |
509 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
510 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
511 | ev.xbutton.button = Button1; | |
512 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
513 | ev.xbutton.same_screen = True; | |
514 | ||
515 | #ifdef USE_MOTIF | |
516 | { | |
517 | Arg al[2]; | |
518 | WidgetList list; | |
519 | Cardinal nr; | |
520 | XtSetArg (al[0], XtNchildren, &list); | |
521 | XtSetArg (al[1], XtNnumChildren, &nr); | |
522 | XtGetValues (menubar, al, 2); | |
523 | ev.xbutton.window = XtWindow (list[0]); | |
524 | } | |
525 | #endif | |
526 | ||
527 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
528 | /* From-window, to-window. */ | |
529 | ev.xbutton.window, ev.xbutton.root, | |
530 | ||
531 | /* From-position, to-position. */ | |
532 | ev.xbutton.x, ev.xbutton.y, | |
533 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
534 | ||
535 | /* Child of win. */ | |
536 | &child); | |
537 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
538 | x_uncatch_errors (); | |
539 | ||
540 | if (! error_p) | |
541 | { | |
542 | ev.type = ButtonPress; | |
543 | ev.xbutton.state = 0; | |
544 | ||
545 | XtDispatchEvent (&ev); | |
546 | ev.xbutton.type = ButtonRelease; | |
547 | ev.xbutton.state = Button1Mask; | |
548 | XtDispatchEvent (&ev); | |
549 | } | |
550 | } | |
551 | ||
552 | UNBLOCK_INPUT; | |
57d671b4 AS |
553 | |
554 | return Qnil; | |
22badffe | 555 | } |
488dd4c4 JD |
556 | #endif /* USE_X_TOOLKIT */ |
557 | ||
22badffe | 558 | |
488dd4c4 | 559 | #ifdef USE_GTK |
12b6af5c | 560 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
561 | doc: /* Start key navigation of the menu bar in FRAME. |
562 | This initially opens the first menu bar item and you can then navigate with the | |
563 | arrow keys, select a menu entry with the return key or cancel with the | |
564 | escape key. If FRAME has no menu bar this function does nothing. | |
565 | ||
566 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 567 | (Lisp_Object frame) |
22badffe JD |
568 | { |
569 | GtkWidget *menubar; | |
8630721e CY |
570 | FRAME_PTR f; |
571 | ||
718aeeb8 CY |
572 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
573 | BLOCK_INPUT. */ | |
574 | ||
22badffe | 575 | BLOCK_INPUT; |
8630721e | 576 | f = check_x_frame (frame); |
22badffe JD |
577 | |
578 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
579 | set_frame_menubar (f, 0, 1); | |
580 | ||
581 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
582 | if (menubar) | |
583 | { | |
584 | /* Activate the first menu. */ | |
585 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
586 | ||
32d46135 JD |
587 | if (children) |
588 | { | |
589 | g_signal_emit_by_name (children->data, "activate_item"); | |
590 | popup_activated_flag = 1; | |
591 | g_list_free (children); | |
592 | } | |
22badffe JD |
593 | } |
594 | UNBLOCK_INPUT; | |
595 | ||
596 | return Qnil; | |
597 | } | |
598 | ||
488dd4c4 JD |
599 | /* Loop util popup_activated_flag is set to zero in a callback. |
600 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 601 | |
488dd4c4 | 602 | static void |
971de7fb | 603 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
604 | { |
605 | ++popup_activated_flag; | |
606 | ||
607 | /* Process events in the Gtk event loop until done. */ | |
608 | while (popup_activated_flag) | |
609 | { | |
c3438661 | 610 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
611 | gtk_main_iteration (); |
612 | } | |
613 | } | |
614 | #endif | |
615 | ||
88766961 RS |
616 | /* Activate the menu bar of frame F. |
617 | This is called from keyboard.c when it gets the | |
3b8f9651 | 618 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
619 | |
620 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 621 | that was saved in saved_menu_event. |
88766961 RS |
622 | That makes the toolkit do its thing. |
623 | ||
624 | But first we recompute the menu bar contents (the whole tree). | |
625 | ||
626 | The reason for saving the button event until here, instead of | |
627 | passing it to the toolkit right away, is that we can safely | |
628 | execute Lisp code. */ | |
177c0ea7 | 629 | |
dfcf069d | 630 | void |
971de7fb | 631 | x_activate_menubar (FRAME_PTR f) |
88766961 | 632 | { |
62af879c | 633 | if (! FRAME_X_P (f)) |
1088b922 | 634 | emacs_abort (); |
62af879c | 635 | |
ac78b144 | 636 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
637 | return; |
638 | ||
177c0ea7 | 639 | #ifdef USE_GTK |
6b61353c KH |
640 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
641 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
642 | return; |
643 | #endif | |
177c0ea7 | 644 | |
a9be6839 | 645 | set_frame_menubar (f, 0, 1); |
88766961 | 646 | BLOCK_INPUT; |
cf28cebc | 647 | popup_activated_flag = 1; |
488dd4c4 JD |
648 | #ifdef USE_GTK |
649 | XPutBackEvent (f->output_data.x->display_info->display, | |
650 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 651 | #else |
86fad4ec | 652 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 653 | #endif |
88766961 | 654 | UNBLOCK_INPUT; |
177c0ea7 | 655 | |
88766961 | 656 | /* Ignore this if we get it a second time. */ |
ac78b144 | 657 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
658 | } |
659 | ||
4dedbfe0 PR |
660 | /* This callback is invoked when the user selects a menubar cascade |
661 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 662 | |
488dd4c4 | 663 | #ifndef USE_GTK |
78589e07 | 664 | static void |
ebd15611 | 665 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 666 | { |
4dedbfe0 | 667 | popup_activated_flag = 1; |
98a20c65 CY |
668 | #ifdef USE_X_TOOLKIT |
669 | x_activate_timeout_atimer (); | |
670 | #endif | |
7555d825 | 671 | } |
488dd4c4 | 672 | #endif |
7555d825 GM |
673 | |
674 | /* This callback is invoked when a dialog or menu is finished being | |
675 | used and has been unposted. */ | |
676 | ||
488dd4c4 | 677 | static void |
5db81e33 SM |
678 | popup_deactivate_callback ( |
679 | #ifdef USE_GTK | |
680 | GtkWidget *widget, gpointer client_data | |
488dd4c4 | 681 | #else |
5db81e33 SM |
682 | Widget widget, LWLIB_ID id, XtPointer client_data |
683 | #endif | |
684 | ) | |
7555d825 | 685 | { |
7555d825 | 686 | popup_activated_flag = 0; |
78589e07 RS |
687 | } |
688 | ||
850df50b | 689 | |
488dd4c4 JD |
690 | /* Function that finds the frame for WIDGET and shows the HELP text |
691 | for that widget. | |
692 | F is the frame if known, or NULL if not known. */ | |
693 | static void | |
971de7fb | 694 | show_help_event (FRAME_PTR f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 695 | { |
488dd4c4 | 696 | Lisp_Object frame; |
850df50b | 697 | |
850df50b | 698 | if (f) |
9cd50434 GM |
699 | { |
700 | XSETFRAME (frame, f); | |
701 | kbd_buffer_store_help_event (frame, help); | |
702 | } | |
850df50b GM |
703 | else |
704 | { | |
6b61353c | 705 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 706 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 707 | widget. See which frame that is. */ |
488dd4c4 | 708 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
709 | Lisp_Object tail; |
710 | ||
8e50cc2d | 711 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
712 | { |
713 | frame = XCAR (tail); | |
8e50cc2d | 714 | if (FRAMEP (frame) |
850df50b GM |
715 | && (f = XFRAME (frame), |
716 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
717 | break; | |
718 | } | |
6b61353c | 719 | #endif |
f868cd8a | 720 | show_help_echo (help, Qnil, Qnil, Qnil); |
9cd50434 | 721 | } |
850df50b GM |
722 | } |
723 | ||
488dd4c4 JD |
724 | /* Callback called when menu items are highlighted/unhighlighted |
725 | while moving the mouse over them. WIDGET is the menu bar or menu | |
726 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
727 | the data structure for the menu item, or null in case of | |
728 | unhighlighting. */ | |
4dedbfe0 | 729 | |
488dd4c4 | 730 | #ifdef USE_GTK |
032f1620 | 731 | static void |
971de7fb | 732 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
733 | { |
734 | xg_menu_item_cb_data *cb_data; | |
735 | Lisp_Object help; | |
177c0ea7 | 736 | |
488dd4c4 JD |
737 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
738 | XG_ITEM_DATA); | |
739 | if (! cb_data) return; | |
740 | ||
741 | help = call_data ? cb_data->help : Qnil; | |
742 | ||
743 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
a560d974 JD |
744 | Don't pass the frame to show_help_event for those. |
745 | Passing frame creates an Emacs event. As we are looping in | |
8d5ed899 | 746 | popup_widget_loop, it won't be handled. Passing NULL shows the tip |
a560d974 JD |
747 | directly without using an Emacs event. This is what the Lucid code |
748 | does below. */ | |
749 | show_help_event (popup_activated_flag <= 1 ? cb_data->cl_data->f : NULL, | |
750 | widget, help); | |
488dd4c4 JD |
751 | } |
752 | #else | |
032f1620 | 753 | static void |
ebd15611 | 754 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 JD |
755 | { |
756 | struct frame *f; | |
757 | Lisp_Object help; | |
758 | ||
759 | widget_value *wv = (widget_value *) call_data; | |
760 | ||
761 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 762 | |
488dd4c4 JD |
763 | /* Determine the frame for the help event. */ |
764 | f = menubar_id_to_frame (id); | |
765 | ||
766 | show_help_event (f, widget, help); | |
767 | } | |
768 | #endif | |
769 | ||
488dd4c4 JD |
770 | #ifdef USE_GTK |
771 | /* Gtk calls callbacks just because we tell it what item should be | |
772 | selected in a radio group. If this variable is set to a non-zero | |
773 | value, we are creating menus and don't want callbacks right now. | |
774 | */ | |
775 | static int xg_crazy_callback_abort; | |
776 | ||
777 | /* This callback is called from the menu bar pulldown menu | |
778 | when the user makes a selection. | |
779 | Figure out what the user chose | |
780 | and put the appropriate events into the keyboard buffer. */ | |
781 | static void | |
971de7fb | 782 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
783 | { |
784 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
785 | ||
786 | if (xg_crazy_callback_abort) | |
787 | return; | |
788 | ||
789 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
790 | return; | |
791 | ||
b79c8219 JD |
792 | /* For a group of radio buttons, GTK calls the selection callback first |
793 | for the item that was active before the selection and then for the one that | |
794 | is active after the selection. For C-h k this means we get the help on | |
795 | the deselected item and then the selected item is executed. Prevent that | |
796 | by ignoring the non-active item. */ | |
797 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
798 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
799 | return; | |
800 | ||
81f09877 JD |
801 | /* When a menu is popped down, X generates a focus event (i.e. focus |
802 | goes back to the frame below the menu). Since GTK buffers events, | |
803 | we force it out here before the menu selection event. Otherwise | |
804 | sit-for will exit at once if the focus event follows the menu selection | |
805 | event. */ | |
806 | ||
807 | BLOCK_INPUT; | |
808 | while (gtk_events_pending ()) | |
809 | gtk_main_iteration (); | |
810 | UNBLOCK_INPUT; | |
811 | ||
488dd4c4 JD |
812 | find_and_call_menu_selection (cb_data->cl_data->f, |
813 | cb_data->cl_data->menu_bar_items_used, | |
814 | cb_data->cl_data->menu_bar_vector, | |
815 | cb_data->call_data); | |
816 | } | |
817 | ||
818 | #else /* not USE_GTK */ | |
819 | ||
820 | /* This callback is called from the menu bar pulldown menu | |
821 | when the user makes a selection. | |
822 | Figure out what the user chose | |
823 | and put the appropriate events into the keyboard buffer. */ | |
824 | static void | |
ebd15611 | 825 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 JD |
826 | { |
827 | FRAME_PTR f; | |
828 | ||
829 | f = menubar_id_to_frame (id); | |
830 | if (!f) | |
831 | return; | |
832 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
e69b0960 | 833 | f->menu_bar_vector, client_data); |
488dd4c4 JD |
834 | } |
835 | #endif /* not USE_GTK */ | |
f61a541b GM |
836 | \f |
837 | /* Recompute all the widgets of frame F, when the menu bar has been | |
838 | changed. Value is non-zero if widgets were updated. */ | |
839 | ||
840 | static int | |
971de7fb | 841 | update_frame_menubar (FRAME_PTR f) |
18686d47 | 842 | { |
488dd4c4 JD |
843 | #ifdef USE_GTK |
844 | return xg_update_frame_menubar (f); | |
845 | #else | |
62af879c | 846 | struct x_output *x; |
cffa74ea | 847 | int columns, rows; |
177c0ea7 | 848 | |
62af879c | 849 | if (! FRAME_X_P (f)) |
1088b922 | 850 | emacs_abort (); |
62af879c KL |
851 | |
852 | x = f->output_data.x; | |
853 | ||
f61a541b GM |
854 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
855 | return 0; | |
18686d47 RS |
856 | |
857 | BLOCK_INPUT; | |
f61a541b GM |
858 | /* Save the size of the frame because the pane widget doesn't accept |
859 | to resize itself. So force it. */ | |
9882535b KS |
860 | columns = FRAME_COLS (f); |
861 | rows = FRAME_LINES (f); | |
cffa74ea | 862 | |
f61a541b GM |
863 | /* Do the voodoo which means "I'm changing lots of things, don't try |
864 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 865 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 866 | |
f61a541b GM |
867 | /* The order in which children are managed is the top to bottom |
868 | order in which they are displayed in the paned window. First, | |
869 | remove the text-area widget. */ | |
18686d47 RS |
870 | XtUnmanageChild (x->edit_widget); |
871 | ||
f61a541b GM |
872 | /* Remove the menubar that is there now, and put up the menubar that |
873 | should be there. */ | |
874 | XtManageChild (x->menubar_widget); | |
875 | XtMapWidget (x->menubar_widget); | |
876 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 877 | |
c98fcf4b | 878 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 879 | XtManageChild (x->edit_widget); |
4dedbfe0 | 880 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
881 | |
882 | /* Force the pane widget to resize itself with the right values. */ | |
883 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
18686d47 | 884 | UNBLOCK_INPUT; |
488dd4c4 | 885 | #endif |
f61a541b | 886 | return 1; |
18686d47 RS |
887 | } |
888 | ||
99852628 | 889 | #ifdef USE_LUCID |
1ecb2d3f | 890 | static void |
ebd15611 | 891 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
892 | { |
893 | const char *fn = xsettings_get_system_normal_font (); | |
51b59d79 | 894 | if (fn) |
1ecb2d3f JD |
895 | { |
896 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
897 | if (db) | |
3928f2b6 | 898 | XrmPutStringResource (&db, "*dialog.font", fn); |
1ecb2d3f JD |
899 | } |
900 | } | |
901 | ||
99852628 | 902 | static void |
3928f2b6 | 903 | apply_systemfont_to_menu (struct frame *f, Widget w) |
99852628 JD |
904 | { |
905 | const char *fn = xsettings_get_system_normal_font (); | |
99852628 | 906 | |
3928f2b6 | 907 | if (fn) |
99852628 | 908 | { |
3928f2b6 JD |
909 | XrmDatabase db = XtDatabase (XtDisplay (w)); |
910 | if (db) | |
911 | { | |
912 | XrmPutStringResource (&db, "*menubar*font", fn); | |
913 | XrmPutStringResource (&db, "*popup*font", fn); | |
914 | } | |
99852628 | 915 | } |
99852628 | 916 | } |
3928f2b6 | 917 | |
99852628 JD |
918 | #endif |
919 | ||
4bcdbab1 KH |
920 | /* Set the contents of the menubar widgets of frame F. |
921 | The argument FIRST_TIME is currently ignored; | |
922 | it is set the first time this is called, from initialize_frame_menubar. */ | |
923 | ||
18686d47 | 924 | void |
971de7fb | 925 | set_frame_menubar (FRAME_PTR f, int first_time, int deep_p) |
18686d47 | 926 | { |
62af879c | 927 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
928 | #ifdef USE_X_TOOLKIT |
929 | LWLIB_ID id; | |
930 | #endif | |
faa935b6 | 931 | Lisp_Object items; |
4d19cb8e | 932 | widget_value *wv, *first_wv, *prev_wv = 0; |
3e26f69c | 933 | int i; |
ced89c24 | 934 | int *submenu_start, *submenu_end; |
37dc84ff | 935 | int *submenu_top_level_items, *submenu_n_panes; |
cc45fb40 | 936 | |
62af879c | 937 | if (! FRAME_X_P (f)) |
1088b922 | 938 | emacs_abort (); |
62af879c KL |
939 | |
940 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 941 | |
bfc524bc RS |
942 | XSETFRAME (Vmenu_updating_frame, f); |
943 | ||
488dd4c4 | 944 | #ifdef USE_X_TOOLKIT |
7556890b RS |
945 | if (f->output_data.x->id == 0) |
946 | f->output_data.x->id = next_menubar_widget_id++; | |
947 | id = f->output_data.x->id; | |
488dd4c4 | 948 | #endif |
177c0ea7 | 949 | |
88766961 RS |
950 | if (! menubar_widget) |
951 | deep_p = 1; | |
a9be6839 RS |
952 | /* Make the first call for any given frame always go deep. */ |
953 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
954 | { |
955 | deep_p = 1; | |
23f86fce | 956 | f->output_data.x->saved_menu_event = xmalloc (sizeof (XEvent)); |
a9be6839 | 957 | f->output_data.x->saved_menu_event->type = 0; |
745c34fb | 958 | } |
18686d47 | 959 | |
6b61353c KH |
960 | #ifdef USE_GTK |
961 | /* If we have detached menus, we must update deep so detached menus | |
962 | also gets updated. */ | |
963 | deep_p = deep_p || xg_have_tear_offs (); | |
964 | #endif | |
965 | ||
88766961 | 966 | if (deep_p) |
18686d47 | 967 | { |
88766961 RS |
968 | /* Make a widget-value tree representing the entire menu trees. */ |
969 | ||
970 | struct buffer *prev = current_buffer; | |
971 | Lisp_Object buffer; | |
d311d28c | 972 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
973 | int previous_menu_items_used = f->menu_bar_items_used; |
974 | Lisp_Object *previous_items | |
38182d90 | 975 | = alloca (previous_menu_items_used * sizeof *previous_items); |
3e26f69c | 976 | int subitems; |
88766961 | 977 | |
0b1cf399 RS |
978 | /* If we are making a new widget, its contents are empty, |
979 | do always reinitialize them. */ | |
980 | if (! menubar_widget) | |
981 | previous_menu_items_used = 0; | |
982 | ||
d3d50620 | 983 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
88766961 RS |
984 | specbind (Qinhibit_quit, Qt); |
985 | /* Don't let the debugger step into this code | |
986 | because it is not reentrant. */ | |
987 | specbind (Qdebug_on_next_call, Qnil); | |
988 | ||
89f2614d | 989 | record_unwind_save_match_data (); |
88766961 RS |
990 | if (NILP (Voverriding_local_map_menu_flag)) |
991 | { | |
992 | specbind (Qoverriding_terminal_local_map, Qnil); | |
993 | specbind (Qoverriding_local_map, Qnil); | |
994 | } | |
18686d47 | 995 | |
88766961 | 996 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 997 | |
88766961 | 998 | /* Run the Lucid hook. */ |
950eaee7 | 999 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 1000 | |
88766961 RS |
1001 | /* If it has changed current-menubar from previous value, |
1002 | really recompute the menubar from the value. */ | |
1003 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
1004 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 1005 | safe_run_hooks (Qmenu_bar_update_hook); |
f00af5b1 | 1006 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
18686d47 | 1007 | |
88766961 | 1008 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1009 | |
88766961 | 1010 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 1011 | if (previous_menu_items_used) |
e69b0960 | 1012 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
663e2b3f | 1013 | previous_menu_items_used * word_size); |
8d8a3494 | 1014 | |
ced89c24 RS |
1015 | /* Fill in menu_items with the current menu bar contents. |
1016 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1017 | save_menu_items (); |
1018 | ||
e69b0960 | 1019 | menu_items = f->menu_bar_vector; |
86c04183 | 1020 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
77b37c05 | 1021 | subitems = ASIZE (items) / 4; |
38182d90 PE |
1022 | submenu_start = alloca ((subitems + 1) * sizeof *submenu_start); |
1023 | submenu_end = alloca (subitems * sizeof *submenu_end); | |
1024 | submenu_n_panes = alloca (subitems * sizeof *submenu_n_panes); | |
1025 | submenu_top_level_items = alloca (subitems | |
1026 | * sizeof *submenu_top_level_items); | |
88766961 | 1027 | init_menu_items (); |
e3019616 | 1028 | for (i = 0; i < subitems; i++) |
88766961 RS |
1029 | { |
1030 | Lisp_Object key, string, maps; | |
1031 | ||
28be1ada DA |
1032 | key = AREF (items, 4 * i); |
1033 | string = AREF (items, 4 * i + 1); | |
1034 | maps = AREF (items, 4 * i + 2); | |
88766961 RS |
1035 | if (NILP (string)) |
1036 | break; | |
1037 | ||
ced89c24 RS |
1038 | submenu_start[i] = menu_items_used; |
1039 | ||
1040 | menu_items_n_panes = 0; | |
1041 | submenu_top_level_items[i] | |
1042 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1043 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1044 | |
1045 | submenu_end[i] = menu_items_used; | |
1046 | } | |
1047 | ||
3e26f69c | 1048 | submenu_start[i] = -1; |
ced89c24 RS |
1049 | finish_menu_items (); |
1050 | ||
1051 | /* Convert menu_items into widget_value trees | |
1052 | to display the menu. This cannot evaluate Lisp code. */ | |
1053 | ||
1054 | wv = xmalloc_widget_value (); | |
1055 | wv->name = "menubar"; | |
1056 | wv->value = 0; | |
1057 | wv->enabled = 1; | |
1058 | wv->button_type = BUTTON_TYPE_NONE; | |
1059 | wv->help = Qnil; | |
1060 | first_wv = wv; | |
1061 | ||
3e26f69c | 1062 | for (i = 0; 0 <= submenu_start[i]; i++) |
ced89c24 | 1063 | { |
37dc84ff | 1064 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1065 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1066 | submenu_top_level_items[i]); | |
177c0ea7 | 1067 | if (prev_wv) |
88766961 RS |
1068 | prev_wv->next = wv; |
1069 | else | |
1070 | first_wv->contents = wv; | |
1071 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1072 | wv->enabled = 1; | |
3427a3db | 1073 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1074 | prev_wv = wv; |
1075 | } | |
1076 | ||
88766961 | 1077 | set_buffer_internal_1 (prev); |
8d8a3494 | 1078 | |
88766961 RS |
1079 | /* If there has been no change in the Lisp-level contents |
1080 | of the menu bar, skip redisplaying it. Just exit. */ | |
1081 | ||
510d5bf6 | 1082 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1083 | for (i = 0; i < previous_menu_items_used; i++) |
1084 | if (menu_items_used == i | |
28be1ada | 1085 | || (!EQ (previous_items[i], AREF (menu_items, i)))) |
88766961 | 1086 | break; |
62555c22 | 1087 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1088 | { |
510d5bf6 RS |
1089 | /* The menu items have not changed. Don't bother updating |
1090 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1091 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1092 | discard_menu_items (); |
1fc4d463 | 1093 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1094 | return; |
1095 | } | |
1096 | ||
510d5bf6 | 1097 | /* The menu items are different, so store them in the frame. */ |
f00af5b1 | 1098 | fset_menu_bar_vector (f, menu_items); |
1fc4d463 RS |
1099 | f->menu_bar_items_used = menu_items_used; |
1100 | ||
bf732638 | 1101 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1102 | unbind_to (specpdl_count, Qnil); |
1103 | ||
88766961 RS |
1104 | /* Now GC cannot happen during the lifetime of the widget_value, |
1105 | so it's safe to store data from a Lisp_String. */ | |
1106 | wv = first_wv->contents; | |
77b37c05 | 1107 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1108 | { |
1109 | Lisp_Object string; | |
28be1ada | 1110 | string = AREF (items, i + 1); |
88766961 | 1111 | if (NILP (string)) |
2bf436c3 | 1112 | break; |
51b59d79 | 1113 | wv->name = SSDATA (string); |
2bf436c3 JD |
1114 | update_submenu_strings (wv->contents); |
1115 | wv = wv->next; | |
88766961 RS |
1116 | } |
1117 | ||
4d19cb8e | 1118 | } |
88766961 RS |
1119 | else |
1120 | { | |
1121 | /* Make a widget-value tree containing | |
1122 | just the top level menu bar strings. */ | |
4d19cb8e | 1123 | |
ced89c24 RS |
1124 | wv = xmalloc_widget_value (); |
1125 | wv->name = "menubar"; | |
1126 | wv->value = 0; | |
1127 | wv->enabled = 1; | |
1128 | wv->button_type = BUTTON_TYPE_NONE; | |
1129 | wv->help = Qnil; | |
1130 | first_wv = wv; | |
1131 | ||
88766961 | 1132 | items = FRAME_MENU_BAR_ITEMS (f); |
77b37c05 | 1133 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1134 | { |
1135 | Lisp_Object string; | |
1136 | ||
28be1ada | 1137 | string = AREF (items, i + 1); |
88766961 RS |
1138 | if (NILP (string)) |
1139 | break; | |
1140 | ||
f7fab165 | 1141 | wv = xmalloc_widget_value (); |
51b59d79 | 1142 | wv->name = SSDATA (string); |
88766961 RS |
1143 | wv->value = 0; |
1144 | wv->enabled = 1; | |
3427a3db | 1145 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1146 | wv->help = Qnil; |
fe8fa62f RS |
1147 | /* This prevents lwlib from assuming this |
1148 | menu item is really supposed to be empty. */ | |
d01a7826 | 1149 | /* The intptr_t cast avoids a warning. |
fe8fa62f | 1150 | This value just has to be different from small integers. */ |
d01a7826 | 1151 | wv->call_data = (void *) (intptr_t) (-1); |
88766961 | 1152 | |
177c0ea7 | 1153 | if (prev_wv) |
88766961 RS |
1154 | prev_wv->next = wv; |
1155 | else | |
1156 | first_wv->contents = wv; | |
1157 | prev_wv = wv; | |
1158 | } | |
62555c22 RS |
1159 | |
1160 | /* Forget what we thought we knew about what is in the | |
1161 | detailed contents of the menu bar menus. | |
1162 | Changing the top level always destroys the contents. */ | |
1163 | f->menu_bar_items_used = 0; | |
88766961 | 1164 | } |
4dedbfe0 | 1165 | |
88766961 | 1166 | /* Create or update the menu bar widget. */ |
aa669def RS |
1167 | |
1168 | BLOCK_INPUT; | |
1169 | ||
488dd4c4 JD |
1170 | #ifdef USE_GTK |
1171 | xg_crazy_callback_abort = 1; | |
1172 | if (menubar_widget) | |
1173 | { | |
6b61353c | 1174 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1175 | menu trees we supply, rather than just the menu bar item names. */ |
1176 | xg_modify_menubar_widgets (menubar_widget, | |
1177 | f, | |
1178 | first_wv, | |
1179 | deep_p, | |
1180 | G_CALLBACK (menubar_selection_callback), | |
1181 | G_CALLBACK (popup_deactivate_callback), | |
1182 | G_CALLBACK (menu_highlight_callback)); | |
1183 | } | |
1184 | else | |
1185 | { | |
488dd4c4 | 1186 | menubar_widget |
177c0ea7 | 1187 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1188 | G_CALLBACK (menubar_selection_callback), |
1189 | G_CALLBACK (popup_deactivate_callback), | |
1190 | G_CALLBACK (menu_highlight_callback)); | |
1191 | ||
1192 | f->output_data.x->menubar_widget = menubar_widget; | |
1193 | } | |
1194 | ||
177c0ea7 | 1195 | |
488dd4c4 | 1196 | #else /* not USE_GTK */ |
18686d47 | 1197 | if (menubar_widget) |
4dedbfe0 PR |
1198 | { |
1199 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1200 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1201 | |
1202 | /* The third arg is DEEP_P, which says to consider the entire | |
1203 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1204 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1205 | |
c98fcf4b | 1206 | /* Re-enable the edit widget to resize. */ |
7556890b | 1207 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1208 | } |
18686d47 RS |
1209 | else |
1210 | { | |
9f6fcdc5 JD |
1211 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1212 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1213 | ||
3928f2b6 JD |
1214 | #ifdef USE_LUCID |
1215 | apply_systemfont_to_menu (f, f->output_data.x->column_widget); | |
1216 | #endif | |
1217 | menubar_widget = lw_create_widget ("menubar", "menubar", id, | |
1218 | first_wv, | |
7556890b | 1219 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1220 | 0, |
1221 | popup_activate_callback, | |
1222 | menubar_selection_callback, | |
850df50b GM |
1223 | popup_deactivate_callback, |
1224 | menu_highlight_callback); | |
7556890b | 1225 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1226 | |
1227 | /* Make menu pop down on C-g. */ | |
1228 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1229 | } |
1d1c1567 KH |
1230 | |
1231 | { | |
cf28cebc | 1232 | int menubar_size; |
723f5a07 J |
1233 | if (f->output_data.x->menubar_widget) |
1234 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1235 | ||
cf28cebc | 1236 | menubar_size |
7556890b RS |
1237 | = (f->output_data.x->menubar_widget |
1238 | ? (f->output_data.x->menubar_widget->core.height | |
1239 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1240 | : 0); |
1241 | ||
5c646d5a JD |
1242 | #if 1 /* Experimentally, we now get the right results |
1243 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1244 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1245 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1246 | #ifdef USE_LUCID |
1d1c1567 KH |
1247 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1248 | { | |
1249 | Dimension ibw = 0; | |
7556890b | 1250 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1251 | XtNinternalBorderWidth, &ibw, NULL); |
1252 | menubar_size += ibw; | |
1253 | } | |
5ee80bd3 | 1254 | #endif /* USE_LUCID */ |
5c646d5a | 1255 | #endif /* 1 */ |
1d1c1567 | 1256 | |
7556890b | 1257 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1258 | } |
488dd4c4 | 1259 | #endif /* not USE_GTK */ |
177c0ea7 | 1260 | |
18686d47 | 1261 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1262 | update_frame_menubar (f); |
18686d47 | 1263 | |
488dd4c4 JD |
1264 | #ifdef USE_GTK |
1265 | xg_crazy_callback_abort = 0; | |
1266 | #endif | |
1267 | ||
18686d47 RS |
1268 | UNBLOCK_INPUT; |
1269 | } | |
85f487d1 | 1270 | |
8e6208c5 | 1271 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1272 | before it is mapped, so that the window is mapped with the menubar already |
1273 | there instead of us tacking it on later and thrashing the window after it | |
1274 | is visible. */ | |
1275 | ||
1276 | void | |
971de7fb | 1277 | initialize_frame_menubar (FRAME_PTR f) |
4dedbfe0 PR |
1278 | { |
1279 | /* This function is called before the first chance to redisplay | |
1280 | the frame. It has to be, so the frame will have the right size. */ | |
f00af5b1 | 1281 | fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f))); |
88766961 | 1282 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1283 | } |
1284 | ||
aba25348 | 1285 | |
4dedbfe0 | 1286 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1287 | This is used when deleting a frame, and when turning off the menu bar. |
1288 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1289 | |
488dd4c4 | 1290 | #ifndef USE_GTK |
85f487d1 | 1291 | void |
ebd15611 | 1292 | free_frame_menubar (FRAME_PTR f) |
85f487d1 FP |
1293 | { |
1294 | Widget menubar_widget; | |
85f487d1 | 1295 | |
62af879c | 1296 | if (! FRAME_X_P (f)) |
1088b922 | 1297 | emacs_abort (); |
62af879c | 1298 | |
7556890b | 1299 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1300 | |
1301 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1302 | |
85f487d1 FP |
1303 | if (menubar_widget) |
1304 | { | |
aba25348 GM |
1305 | #ifdef USE_MOTIF |
1306 | /* Removing the menu bar magically changes the shell widget's x | |
1307 | and y position of (0, 0) which, when the menu bar is turned | |
53964682 | 1308 | on again, leads to pull-down menus appearing in strange |
aba25348 GM |
1309 | positions near the upper-left corner of the display. This |
1310 | happens only with some window managers like twm and ctwm, | |
1311 | but not with other like Motif's mwm or kwm, because the | |
1312 | latter generate ConfigureNotify events when the menu bar | |
1313 | is switched off, which fixes the shell position. */ | |
1314 | Position x0, y0, x1, y1; | |
1315 | #endif | |
177c0ea7 | 1316 | |
85f487d1 | 1317 | BLOCK_INPUT; |
aba25348 GM |
1318 | |
1319 | #ifdef USE_MOTIF | |
ae556422 GM |
1320 | if (f->output_data.x->widget) |
1321 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1322 | #endif |
177c0ea7 | 1323 | |
7556890b | 1324 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1325 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1326 | |
ae556422 GM |
1327 | if (f->output_data.x->widget) |
1328 | { | |
23243f29 | 1329 | #ifdef USE_MOTIF |
ae556422 GM |
1330 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1331 | if (x1 == 0 && y1 == 0) | |
1332 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1333 | #endif |
23243f29 J |
1334 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
1335 | } | |
85f487d1 FP |
1336 | UNBLOCK_INPUT; |
1337 | } | |
1338 | } | |
488dd4c4 | 1339 | #endif /* not USE_GTK */ |
78589e07 | 1340 | |
488dd4c4 | 1341 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1342 | \f |
1343 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1344 | and returns the value selected from it. | |
1345 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1346 | Both assume input is blocked by the caller. */ | |
1347 | ||
1348 | /* F is the frame the menu is for. | |
1349 | X and Y are the frame-relative specified position, | |
1350 | relative to the inside upper left corner of the frame F. | |
c8b5aa3d | 1351 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
78589e07 RS |
1352 | KEYMAPS is 1 if this menu was specified with keymaps; |
1353 | in that case, we return a list containing the chosen item's value | |
1354 | and perhaps also the pane's prefix. | |
1355 | TITLE is the specified menu title. | |
1356 | ERROR is a place to store an error message string in case of failure. | |
1357 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1358 | |
488dd4c4 JD |
1359 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1360 | ||
1361 | /* The item selected in the popup menu. */ | |
1362 | static Lisp_Object *volatile menu_item_selection; | |
1363 | ||
1364 | #ifdef USE_GTK | |
1365 | ||
1366 | /* Used when position a popup menu. See menu_position_func and | |
1367 | create_and_show_popup_menu below. */ | |
1368 | struct next_popup_x_y | |
1369 | { | |
7b76ca1c | 1370 | FRAME_PTR f; |
488dd4c4 JD |
1371 | int x; |
1372 | int y; | |
1373 | }; | |
1374 | ||
1375 | /* The menu position function to use if we are not putting a popup | |
1376 | menu where the pointer is. | |
1377 | MENU is the menu to pop up. | |
1378 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1379 | PUSH_IN is not documented in the GTK manual. | |
1380 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1381 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1382 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1383 | |
1384 | Here only X and Y are used. */ | |
1385 | static void | |
971de7fb | 1386 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1387 | { |
7b76ca1c JD |
1388 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1389 | GtkRequisition req; | |
fd2f80c6 CY |
1390 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1391 | int disp_width = x_display_pixel_width (dpyinfo); | |
1392 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1393 | |
7b76ca1c JD |
1394 | *x = data->x; |
1395 | *y = data->y; | |
1396 | ||
1397 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1398 | the menu is fully visible. */ | |
0afb4571 | 1399 | gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &req); |
7b76ca1c JD |
1400 | if (data->x + req.width > disp_width) |
1401 | *x -= data->x + req.width - disp_width; | |
1402 | if (data->y + req.height > disp_height) | |
1403 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1404 | } |
1405 | ||
1406 | static void | |
971de7fb | 1407 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1408 | { |
1409 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1410 | ||
1411 | if (xg_crazy_callback_abort) return; | |
1412 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1413 | } | |
1414 | ||
af89e871 | 1415 | static Lisp_Object |
971de7fb | 1416 | pop_down_menu (Lisp_Object arg) |
af89e871 | 1417 | { |
a130b901 JD |
1418 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1419 | ||
af89e871 | 1420 | popup_activated_flag = 0; |
a130b901 JD |
1421 | BLOCK_INPUT; |
1422 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); | |
1423 | UNBLOCK_INPUT; | |
af89e871 JD |
1424 | return Qnil; |
1425 | } | |
1426 | ||
488dd4c4 JD |
1427 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1428 | menu pops down. | |
1429 | menu_item_selection will be set to the selection. */ | |
1430 | static void | |
08dc5ae6 PE |
1431 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, |
1432 | int for_click, Time timestamp) | |
488dd4c4 JD |
1433 | { |
1434 | int i; | |
1435 | GtkWidget *menu; | |
1436 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1437 | struct next_popup_x_y popup_x_y; | |
d311d28c | 1438 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
93d5ca1f JD |
1439 | int use_pos_func = ! for_click; |
1440 | ||
1441 | #ifdef HAVE_GTK3 | |
1442 | /* Always use position function for Gtk3. Otherwise menus may become | |
1443 | too small to show anything. */ | |
1444 | use_pos_func = 1; | |
1445 | #endif | |
488dd4c4 | 1446 | |
62af879c | 1447 | if (! FRAME_X_P (f)) |
1088b922 | 1448 | emacs_abort (); |
62af879c | 1449 | |
488dd4c4 JD |
1450 | xg_crazy_callback_abort = 1; |
1451 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1452 | G_CALLBACK (popup_selection_callback), | |
1453 | G_CALLBACK (popup_deactivate_callback), | |
1454 | G_CALLBACK (menu_highlight_callback)); | |
1455 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1456 | |
93d5ca1f | 1457 | if (use_pos_func) |
488dd4c4 JD |
1458 | { |
1459 | /* Not invoked by a click. pop up at x/y. */ | |
1460 | pos_func = menu_position_func; | |
1461 | ||
1462 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1463 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1464 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1465 | |
1466 | popup_x_y.x = x; | |
1467 | popup_x_y.y = y; | |
7b76ca1c | 1468 | popup_x_y.f = f; |
488dd4c4 | 1469 | |
9b85e63d JD |
1470 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1471 | } | |
93d5ca1f JD |
1472 | |
1473 | if (for_click) | |
9b85e63d JD |
1474 | { |
1475 | for (i = 0; i < 5; i++) | |
1476 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1477 | break; | |
1478 | } | |
59cfb104 | 1479 | |
488dd4c4 JD |
1480 | /* Display the menu. */ |
1481 | gtk_widget_show_all (menu); | |
c0df13a6 | 1482 | |
a20903d0 | 1483 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
08dc5ae6 | 1484 | timestamp ? timestamp : gtk_get_current_event_time ()); |
177c0ea7 | 1485 | |
a130b901 | 1486 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1487 | |
e547b051 | 1488 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1489 | { |
1490 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1491 | two. show_help_echo uses this to detect popup menus. */ | |
1492 | popup_activated_flag = 1; | |
1493 | /* Process events that apply to the menu. */ | |
1494 | popup_widget_loop (1, menu); | |
1495 | } | |
488dd4c4 | 1496 | |
af89e871 | 1497 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1498 | |
488dd4c4 JD |
1499 | /* Must reset this manually because the button release event is not passed |
1500 | to Emacs event loop. */ | |
1501 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1502 | } | |
1503 | ||
1504 | #else /* not USE_GTK */ | |
18686d47 | 1505 | |
8ed87156 | 1506 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1507 | library. |
1508 | ||
1509 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1510 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1511 | |
88766961 RS |
1512 | For menu bars, we use numbers starting at 0, counted in |
1513 | next_menubar_widget_id. */ | |
8ed87156 | 1514 | LWLIB_ID widget_id_tick; |
165e1749 | 1515 | |
4dedbfe0 | 1516 | static void |
ebd15611 | 1517 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 PR |
1518 | { |
1519 | menu_item_selection = (Lisp_Object *) client_data; | |
1520 | } | |
1521 | ||
af89e871 JD |
1522 | /* ARG is the LWLIB ID of the dialog box, represented |
1523 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1524 | ||
1525 | static Lisp_Object | |
ebd15611 | 1526 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1527 | { |
1528 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1529 | | XINT (XCDR (arg))); | |
1530 | ||
1531 | BLOCK_INPUT; | |
1532 | lw_destroy_all_widgets (id); | |
1533 | UNBLOCK_INPUT; | |
1534 | popup_activated_flag = 0; | |
1535 | ||
1536 | return Qnil; | |
1537 | } | |
1538 | ||
488dd4c4 JD |
1539 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1540 | menu pops down. | |
1541 | menu_item_selection will be set to the selection. */ | |
1542 | static void | |
2b23d2a6 | 1543 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, |
08dc5ae6 | 1544 | int x, int y, int for_click, Time timestamp) |
488dd4c4 JD |
1545 | { |
1546 | int i; | |
1547 | Arg av[2]; | |
1548 | int ac = 0; | |
65969f63 CY |
1549 | XEvent dummy; |
1550 | XButtonPressedEvent *event = &(dummy.xbutton); | |
488dd4c4 JD |
1551 | LWLIB_ID menu_id; |
1552 | Widget menu; | |
488dd4c4 | 1553 | |
62af879c | 1554 | if (! FRAME_X_P (f)) |
1088b922 | 1555 | emacs_abort (); |
62af879c | 1556 | |
3928f2b6 JD |
1557 | #ifdef USE_LUCID |
1558 | apply_systemfont_to_menu (f, f->output_data.x->widget); | |
1559 | #endif | |
1560 | ||
488dd4c4 JD |
1561 | menu_id = widget_id_tick++; |
1562 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1563 | f->output_data.x->widget, 1, 0, | |
1564 | popup_selection_callback, | |
1565 | popup_deactivate_callback, | |
1566 | menu_highlight_callback); | |
1567 | ||
65969f63 CY |
1568 | event->type = ButtonPress; |
1569 | event->serial = 0; | |
1570 | event->send_event = 0; | |
1571 | event->display = FRAME_X_DISPLAY (f); | |
1572 | event->time = CurrentTime; | |
1573 | event->root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1574 | event->window = event->subwindow = event->root; | |
1575 | event->x = x; | |
1576 | event->y = y; | |
488dd4c4 JD |
1577 | |
1578 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1579 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1580 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 | 1581 | |
65969f63 CY |
1582 | event->x_root = x; |
1583 | event->y_root = y; | |
488dd4c4 | 1584 | |
65969f63 CY |
1585 | event->state = 0; |
1586 | event->button = 0; | |
488dd4c4 JD |
1587 | for (i = 0; i < 5; i++) |
1588 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
65969f63 | 1589 | event->button = i; |
488dd4c4 JD |
1590 | |
1591 | /* Don't allow any geometry request from the user. */ | |
1592 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1593 | XtSetValues (menu, av, ac); | |
1594 | ||
1595 | /* Display the menu. */ | |
65969f63 | 1596 | lw_popup_menu (menu, &dummy); |
488dd4c4 | 1597 | popup_activated_flag = 1; |
98a20c65 | 1598 | x_activate_timeout_atimer (); |
59cfb104 | 1599 | |
af89e871 JD |
1600 | { |
1601 | int fact = 4 * sizeof (LWLIB_ID); | |
d311d28c | 1602 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
af89e871 JD |
1603 | record_unwind_protect (pop_down_menu, |
1604 | Fcons (make_number (menu_id >> (fact)), | |
1605 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1606 | |
af89e871 | 1607 | /* Process events that apply to the menu. */ |
95bdef2e | 1608 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1609 | |
af89e871 JD |
1610 | unbind_to (specpdl_count, Qnil); |
1611 | } | |
488dd4c4 JD |
1612 | } |
1613 | ||
1614 | #endif /* not USE_GTK */ | |
1615 | ||
ba24cea2 YM |
1616 | static Lisp_Object |
1617 | cleanup_widget_value_tree (Lisp_Object arg) | |
1618 | { | |
1619 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); | |
1620 | widget_value *wv = p->pointer; | |
1621 | ||
1622 | free_menubar_widget_value_tree (wv); | |
1623 | ||
1624 | return Qnil; | |
1625 | } | |
1626 | ||
ef7417fd SM |
1627 | Lisp_Object |
1628 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, | |
08dc5ae6 | 1629 | Lisp_Object title, const char **error_name, Time timestamp) |
18686d47 | 1630 | { |
78589e07 | 1631 | int i; |
78589e07 | 1632 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 | 1633 | widget_value **submenu_stack |
38182d90 | 1634 | = alloca (menu_items_used * sizeof *submenu_stack); |
101bb4a5 | 1635 | Lisp_Object *subprefix_stack |
38182d90 | 1636 | = alloca (menu_items_used * sizeof *subprefix_stack); |
101bb4a5 | 1637 | int submenu_depth = 0; |
4e8d3549 | 1638 | |
78c8278d RS |
1639 | int first_pane; |
1640 | ||
9898bd0e | 1641 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 1642 | |
62af879c | 1643 | if (! FRAME_X_P (f)) |
1088b922 | 1644 | emacs_abort (); |
62af879c | 1645 | |
d4323972 | 1646 | *error_name = NULL; |
78589e07 | 1647 | |
742f715d KH |
1648 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1649 | { | |
d4323972 | 1650 | *error_name = "Empty menu"; |
742f715d KH |
1651 | return Qnil; |
1652 | } | |
63c414df | 1653 | |
78589e07 RS |
1654 | /* Create a tree of widget_value objects |
1655 | representing the panes and their items. */ | |
f7fab165 | 1656 | wv = xmalloc_widget_value (); |
78589e07 RS |
1657 | wv->name = "menu"; |
1658 | wv->value = 0; | |
1659 | wv->enabled = 1; | |
3427a3db | 1660 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1661 | wv->help =Qnil; |
78589e07 | 1662 | first_wv = wv; |
78c8278d | 1663 | first_pane = 1; |
177c0ea7 | 1664 | |
78589e07 RS |
1665 | /* Loop over all panes and items, filling in the tree. */ |
1666 | i = 0; | |
1667 | while (i < menu_items_used) | |
1668 | { | |
28be1ada | 1669 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1670 | { |
1671 | submenu_stack[submenu_depth++] = save_wv; | |
1672 | save_wv = prev_wv; | |
1673 | prev_wv = 0; | |
78c8278d | 1674 | first_pane = 1; |
101bb4a5 RS |
1675 | i++; |
1676 | } | |
28be1ada | 1677 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1678 | { |
1679 | prev_wv = save_wv; | |
1680 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1681 | first_pane = 0; |
101bb4a5 RS |
1682 | i++; |
1683 | } | |
28be1ada | 1684 | else if (EQ (AREF (menu_items, i), Qt) |
101bb4a5 RS |
1685 | && submenu_depth != 0) |
1686 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1687 | /* Ignore a nil in the item list. |
1688 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1689 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 1690 | i += 1; |
28be1ada | 1691 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1692 | { |
1693 | /* Create a new pane. */ | |
1694 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 1695 | const char *pane_string; |
177c0ea7 | 1696 | |
4c329aa8 GM |
1697 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1698 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1699 | |
703dc2a8 | 1700 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1701 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1702 | { | |
8af9fa55 | 1703 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1704 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1705 | } |
703dc2a8 | 1706 | #endif |
78589e07 | 1707 | pane_string = (NILP (pane_name) |
51b59d79 | 1708 | ? "" : SSDATA (pane_name)); |
101bb4a5 | 1709 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1710 | under the top-level menu. */ |
1711 | if (menu_items_n_panes == 1) | |
1712 | pane_string = ""; | |
1713 | ||
1714 | /* If the pane has a meaningful name, | |
1715 | make the pane a top-level menu item | |
1716 | with its items as a submenu beneath it. */ | |
78c8278d | 1717 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1718 | { |
f7fab165 | 1719 | wv = xmalloc_widget_value (); |
78589e07 RS |
1720 | if (save_wv) |
1721 | save_wv->next = wv; | |
1722 | else | |
1723 | first_wv->contents = wv; | |
b00876c9 | 1724 | wv->name = (char *) pane_string; |
78589e07 RS |
1725 | if (keymaps && !NILP (prefix)) |
1726 | wv->name++; | |
1727 | wv->value = 0; | |
1728 | wv->enabled = 1; | |
3427a3db | 1729 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1730 | wv->help = Qnil; |
78c8278d RS |
1731 | save_wv = wv; |
1732 | prev_wv = 0; | |
78589e07 | 1733 | } |
78c8278d RS |
1734 | else if (first_pane) |
1735 | { | |
1736 | save_wv = wv; | |
1737 | prev_wv = 0; | |
1738 | } | |
1739 | first_pane = 0; | |
78589e07 RS |
1740 | i += MENU_ITEMS_PANE_LENGTH; |
1741 | } | |
1742 | else | |
1743 | { | |
1744 | /* Create a new item within current pane. */ | |
9cd50434 | 1745 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1746 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1747 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1748 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1749 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1750 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1751 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1752 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1753 | |
703dc2a8 | 1754 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1755 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1756 | { |
646f98ec | 1757 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1758 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1759 | } |
177c0ea7 | 1760 | |
3427a3db | 1761 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1762 | { |
646f98ec | 1763 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1764 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1765 | } |
1766 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1767 | |
f7fab165 | 1768 | wv = xmalloc_widget_value (); |
177c0ea7 | 1769 | if (prev_wv) |
78589e07 | 1770 | prev_wv->next = wv; |
177c0ea7 | 1771 | else |
78589e07 | 1772 | save_wv->contents = wv; |
51b59d79 | 1773 | wv->name = SSDATA (item_name); |
78589e07 | 1774 | if (!NILP (descrip)) |
51b59d79 | 1775 | wv->key = SSDATA (descrip); |
78589e07 | 1776 | wv->value = 0; |
a352a815 RS |
1777 | /* If this item has a null value, |
1778 | make the call_data null so that it won't display a box | |
1779 | when the mouse is on it. */ | |
4939150c | 1780 | wv->call_data = !NILP (def) ? aref_addr (menu_items, i) : 0; |
78589e07 | 1781 | wv->enabled = !NILP (enable); |
3427a3db GM |
1782 | |
1783 | if (NILP (type)) | |
1784 | wv->button_type = BUTTON_TYPE_NONE; | |
1785 | else if (EQ (type, QCtoggle)) | |
1786 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1787 | else if (EQ (type, QCradio)) | |
1788 | wv->button_type = BUTTON_TYPE_RADIO; | |
1789 | else | |
1088b922 | 1790 | emacs_abort (); |
3427a3db GM |
1791 | |
1792 | wv->selected = !NILP (selected); | |
cc45fb40 | 1793 | |
0b1f4572 RS |
1794 | if (! STRINGP (help)) |
1795 | help = Qnil; | |
1796 | ||
1797 | wv->help = help; | |
cc45fb40 | 1798 | |
78589e07 RS |
1799 | prev_wv = wv; |
1800 | ||
1801 | i += MENU_ITEMS_ITEM_LENGTH; | |
1802 | } | |
1803 | } | |
1804 | ||
c98fcf4b | 1805 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1806 | if (!NILP (title)) |
1807 | { | |
f7fab165 RS |
1808 | widget_value *wv_title = xmalloc_widget_value (); |
1809 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1810 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1811 | |
1812 | wv_sep2->name = "--"; | |
1813 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1814 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1815 | |
1816 | wv_sep1->name = "--"; | |
1817 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1818 | wv_sep1->help = Qnil; |
4dedbfe0 | 1819 | |
703dc2a8 KH |
1820 | #ifndef HAVE_MULTILINGUAL_MENU |
1821 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1822 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1823 | #endif |
177c0ea7 | 1824 | |
51b59d79 | 1825 | wv_title->name = SSDATA (title); |
cc45fb40 | 1826 | wv_title->enabled = TRUE; |
3427a3db | 1827 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1828 | wv_title->help = Qnil; |
a9d8395f | 1829 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1830 | first_wv->contents = wv_title; |
1831 | } | |
1832 | ||
78589e07 RS |
1833 | /* No selection has been chosen yet. */ |
1834 | menu_item_selection = 0; | |
1835 | ||
ba24cea2 YM |
1836 | /* Make sure to free the widget_value objects we used to specify the |
1837 | contents even with longjmp. */ | |
1838 | record_unwind_protect (cleanup_widget_value_tree, | |
1839 | make_save_value (first_wv, 0)); | |
1840 | ||
488dd4c4 | 1841 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1842 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1843 | |
ba24cea2 | 1844 | unbind_to (specpdl_count, Qnil); |
18686d47 | 1845 | |
78589e07 RS |
1846 | /* Find the selected item, and its pane, to return |
1847 | the proper value. */ | |
1848 | if (menu_item_selection != 0) | |
1849 | { | |
c63f6952 | 1850 | Lisp_Object prefix, entry; |
78589e07 | 1851 | |
6bbd7a29 | 1852 | prefix = entry = Qnil; |
78589e07 RS |
1853 | i = 0; |
1854 | while (i < menu_items_used) | |
1855 | { | |
28be1ada | 1856 | if (EQ (AREF (menu_items, i), Qnil)) |
101bb4a5 RS |
1857 | { |
1858 | subprefix_stack[submenu_depth++] = prefix; | |
1859 | prefix = entry; | |
1860 | i++; | |
1861 | } | |
28be1ada | 1862 | else if (EQ (AREF (menu_items, i), Qlambda)) |
101bb4a5 RS |
1863 | { |
1864 | prefix = subprefix_stack[--submenu_depth]; | |
1865 | i++; | |
1866 | } | |
28be1ada | 1867 | else if (EQ (AREF (menu_items, i), Qt)) |
78589e07 RS |
1868 | { |
1869 | prefix | |
28be1ada | 1870 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
1871 | i += MENU_ITEMS_PANE_LENGTH; |
1872 | } | |
d31d42cc RS |
1873 | /* Ignore a nil in the item list. |
1874 | It's meaningful only for dialog boxes. */ | |
28be1ada | 1875 | else if (EQ (AREF (menu_items, i), Qquote)) |
d31d42cc | 1876 | i += 1; |
78589e07 RS |
1877 | else |
1878 | { | |
1879 | entry | |
28be1ada | 1880 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 1881 | if (menu_item_selection == aref_addr (menu_items, i)) |
78589e07 RS |
1882 | { |
1883 | if (keymaps != 0) | |
1884 | { | |
101bb4a5 RS |
1885 | int j; |
1886 | ||
78589e07 RS |
1887 | entry = Fcons (entry, Qnil); |
1888 | if (!NILP (prefix)) | |
1889 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1890 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1891 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1892 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1893 | } |
1894 | return entry; | |
1895 | } | |
1896 | i += MENU_ITEMS_ITEM_LENGTH; | |
1897 | } | |
1898 | } | |
1899 | } | |
be6ed24a RS |
1900 | else if (!for_click) |
1901 | /* Make "Cancel" equivalent to C-g. */ | |
1902 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1903 | |
1904 | return Qnil; | |
18686d47 | 1905 | } |
4dedbfe0 | 1906 | \f |
488dd4c4 JD |
1907 | #ifdef USE_GTK |
1908 | static void | |
971de7fb | 1909 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 1910 | { |
8ac068ac | 1911 | /* Treat the pointer as an integer. There's no problem |
488dd4c4 | 1912 | as long as pointers have enough bits to hold small integers. */ |
d01a7826 | 1913 | if ((intptr_t) client_data != -1) |
488dd4c4 JD |
1914 | menu_item_selection = (Lisp_Object *) client_data; |
1915 | ||
1916 | popup_activated_flag = 0; | |
1917 | } | |
1918 | ||
1919 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1920 | dialog pops down. | |
1921 | menu_item_selection will be set to the selection. */ | |
1922 | static void | |
971de7fb | 1923 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1924 | { |
1925 | GtkWidget *menu; | |
1926 | ||
62af879c | 1927 | if (! FRAME_X_P (f)) |
1088b922 | 1928 | emacs_abort (); |
62af879c | 1929 | |
488dd4c4 JD |
1930 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1931 | G_CALLBACK (dialog_selection_callback), | |
1932 | G_CALLBACK (popup_deactivate_callback), | |
1933 | 0); | |
1934 | ||
1935 | if (menu) | |
1936 | { | |
d311d28c | 1937 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
a130b901 | 1938 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1939 | |
488dd4c4 JD |
1940 | /* Display the menu. */ |
1941 | gtk_widget_show_all (menu); | |
1942 | ||
1943 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1944 | popup_widget_loop (1, menu); |
177c0ea7 | 1945 | |
af89e871 | 1946 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1947 | } |
1948 | } | |
1949 | ||
1950 | #else /* not USE_GTK */ | |
4dedbfe0 | 1951 | static void |
ebd15611 | 1952 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1953 | { |
4475bec4 | 1954 | /* Treat the pointer as an integer. There's no problem |
01d5e892 | 1955 | as long as pointers have enough bits to hold small integers. */ |
4475bec4 | 1956 | if ((intptr_t) client_data != -1) |
4dedbfe0 | 1957 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1958 | |
4dedbfe0 PR |
1959 | BLOCK_INPUT; |
1960 | lw_destroy_all_widgets (id); | |
1961 | UNBLOCK_INPUT; | |
9572375b | 1962 | popup_activated_flag = 0; |
4dedbfe0 | 1963 | } |
18686d47 | 1964 | |
488dd4c4 | 1965 | |
488dd4c4 JD |
1966 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1967 | dialog pops down. | |
1968 | menu_item_selection will be set to the selection. */ | |
1969 | static void | |
ebd15611 | 1970 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1971 | { |
1972 | LWLIB_ID dialog_id; | |
1973 | ||
62af879c | 1974 | if (!FRAME_X_P (f)) |
1088b922 | 1975 | emacs_abort (); |
62af879c | 1976 | |
488dd4c4 | 1977 | dialog_id = widget_id_tick++; |
52214050 | 1978 | #ifdef USE_LUCID |
1ecb2d3f JD |
1979 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1980 | #endif | |
488dd4c4 JD |
1981 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1982 | f->output_data.x->widget, 1, 0, | |
1983 | dialog_selection_callback, 0, 0); | |
1984 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1985 | /* Display the dialog box. */ |
1986 | lw_pop_up_all_widgets (dialog_id); | |
1987 | popup_activated_flag = 1; | |
98a20c65 | 1988 | x_activate_timeout_atimer (); |
488dd4c4 JD |
1989 | |
1990 | /* Process events that apply to the dialog box. | |
1991 | Also handle timers. */ | |
1992 | { | |
d311d28c | 1993 | ptrdiff_t count = SPECPDL_INDEX (); |
488dd4c4 | 1994 | int fact = 4 * sizeof (LWLIB_ID); |
177c0ea7 | 1995 | |
488dd4c4 | 1996 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 1997 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
1998 | Fcons (make_number (dialog_id >> (fact)), |
1999 | make_number (dialog_id & ~(-1 << (fact))))); | |
2000 | ||
df470e3b | 2001 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 2002 | dialog_id, 1); |
488dd4c4 JD |
2003 | |
2004 | unbind_to (count, Qnil); | |
2005 | } | |
2006 | } | |
2007 | ||
2008 | #endif /* not USE_GTK */ | |
2009 | ||
42ca4633 | 2010 | static const char * button_names [] = { |
165e1749 FP |
2011 | "button1", "button2", "button3", "button4", "button5", |
2012 | "button6", "button7", "button8", "button9", "button10" }; | |
2013 | ||
2014 | static Lisp_Object | |
42ca4633 J |
2015 | xdialog_show (FRAME_PTR f, |
2016 | int keymaps, | |
2017 | Lisp_Object title, | |
2018 | Lisp_Object header, | |
2019 | const char **error_name) | |
165e1749 FP |
2020 | { |
2021 | int i, nb_buttons=0; | |
80670155 | 2022 | char dialog_name[6]; |
165e1749 | 2023 | |
faa935b6 | 2024 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 2025 | |
fcaa7665 RS |
2026 | /* Number of elements seen so far, before boundary. */ |
2027 | int left_count = 0; | |
2028 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
2029 | int boundary_seen = 0; | |
2030 | ||
9898bd0e | 2031 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
ba24cea2 | 2032 | |
62af879c | 2033 | if (! FRAME_X_P (f)) |
1088b922 | 2034 | emacs_abort (); |
62af879c | 2035 | |
6a040d6a | 2036 | *error_name = NULL; |
165e1749 | 2037 | |
80670155 RS |
2038 | if (menu_items_n_panes > 1) |
2039 | { | |
6a040d6a | 2040 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2041 | return Qnil; |
2042 | } | |
2043 | ||
165e1749 FP |
2044 | /* Create a tree of widget_value objects |
2045 | representing the text label and buttons. */ | |
2046 | { | |
2047 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2048 | const char *pane_string; |
28be1ada DA |
2049 | pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME); |
2050 | prefix = AREF (menu_items, MENU_ITEMS_PANE_PREFIX); | |
165e1749 | 2051 | pane_string = (NILP (pane_name) |
51b59d79 | 2052 | ? "" : SSDATA (pane_name)); |
f7fab165 | 2053 | prev_wv = xmalloc_widget_value (); |
b00876c9 | 2054 | prev_wv->value = (char *) pane_string; |
165e1749 FP |
2055 | if (keymaps && !NILP (prefix)) |
2056 | prev_wv->name++; | |
2057 | prev_wv->enabled = 1; | |
2058 | prev_wv->name = "message"; | |
27ad7b52 | 2059 | prev_wv->help = Qnil; |
165e1749 | 2060 | first_wv = prev_wv; |
177c0ea7 | 2061 | |
165e1749 FP |
2062 | /* Loop over all panes and items, filling in the tree. */ |
2063 | i = MENU_ITEMS_PANE_LENGTH; | |
2064 | while (i < menu_items_used) | |
2065 | { | |
177c0ea7 | 2066 | |
165e1749 FP |
2067 | /* Create a new item within current pane. */ |
2068 | Lisp_Object item_name, enable, descrip; | |
28be1ada DA |
2069 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2070 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
165e1749 | 2071 | descrip |
28be1ada | 2072 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
177c0ea7 | 2073 | |
80670155 RS |
2074 | if (NILP (item_name)) |
2075 | { | |
2076 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2077 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2078 | return Qnil; |
2079 | } | |
fcaa7665 RS |
2080 | if (EQ (item_name, Qquote)) |
2081 | { | |
2082 | /* This is the boundary between left-side elts | |
2083 | and right-side elts. Stop incrementing right_count. */ | |
2084 | boundary_seen = 1; | |
2085 | i++; | |
2086 | continue; | |
2087 | } | |
86e71abf | 2088 | if (nb_buttons >= 9) |
80670155 RS |
2089 | { |
2090 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2091 | *error_name = "Too many dialog items"; |
80670155 RS |
2092 | return Qnil; |
2093 | } | |
2094 | ||
f7fab165 | 2095 | wv = xmalloc_widget_value (); |
165e1749 | 2096 | prev_wv->next = wv; |
80670155 | 2097 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2098 | if (!NILP (descrip)) |
51b59d79 PE |
2099 | wv->key = SSDATA (descrip); |
2100 | wv->value = SSDATA (item_name); | |
4939150c | 2101 | wv->call_data = aref_addr (menu_items, i); |
165e1749 | 2102 | wv->enabled = !NILP (enable); |
27ad7b52 | 2103 | wv->help = Qnil; |
165e1749 FP |
2104 | prev_wv = wv; |
2105 | ||
fcaa7665 RS |
2106 | if (! boundary_seen) |
2107 | left_count++; | |
2108 | ||
165e1749 FP |
2109 | nb_buttons++; |
2110 | i += MENU_ITEMS_ITEM_LENGTH; | |
2111 | } | |
2112 | ||
fcaa7665 RS |
2113 | /* If the boundary was not specified, |
2114 | by default put half on the left and half on the right. */ | |
2115 | if (! boundary_seen) | |
2116 | left_count = nb_buttons - nb_buttons / 2; | |
2117 | ||
f7fab165 | 2118 | wv = xmalloc_widget_value (); |
80670155 | 2119 | wv->name = dialog_name; |
27ad7b52 | 2120 | wv->help = Qnil; |
6a040d6a NR |
2121 | |
2122 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2123 | Can also have 'E' = Error if, one day, we want | |
2124 | a popup for errors. */ | |
5e617bc2 | 2125 | if (NILP (header)) |
6a040d6a NR |
2126 | dialog_name[0] = 'Q'; |
2127 | else | |
2128 | dialog_name[0] = 'I'; | |
2129 | ||
80670155 RS |
2130 | /* Dialog boxes use a really stupid name encoding |
2131 | which specifies how many buttons to use | |
6a040d6a | 2132 | and how many buttons are on the right. */ |
80670155 RS |
2133 | dialog_name[1] = '0' + nb_buttons; |
2134 | dialog_name[2] = 'B'; | |
2135 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2136 | /* Number of buttons to put on the right. */ |
2137 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2138 | dialog_name[5] = 0; |
165e1749 FP |
2139 | wv->contents = first_wv; |
2140 | first_wv = wv; | |
165e1749 FP |
2141 | } |
2142 | ||
165e1749 FP |
2143 | /* No selection has been chosen yet. */ |
2144 | menu_item_selection = 0; | |
2145 | ||
ba24cea2 YM |
2146 | /* Make sure to free the widget_value objects we used to specify the |
2147 | contents even with longjmp. */ | |
2148 | record_unwind_protect (cleanup_widget_value_tree, | |
2149 | make_save_value (first_wv, 0)); | |
2150 | ||
488dd4c4 JD |
2151 | /* Actually create and show the dialog. */ |
2152 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2153 | |
ba24cea2 | 2154 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 2155 | |
488dd4c4 JD |
2156 | /* Find the selected item, and its pane, to return |
2157 | the proper value. */ | |
165e1749 FP |
2158 | if (menu_item_selection != 0) |
2159 | { | |
2160 | Lisp_Object prefix; | |
2161 | ||
2162 | prefix = Qnil; | |
2163 | i = 0; | |
2164 | while (i < menu_items_used) | |
2165 | { | |
2166 | Lisp_Object entry; | |
2167 | ||
28be1ada | 2168 | if (EQ (AREF (menu_items, i), Qt)) |
165e1749 FP |
2169 | { |
2170 | prefix | |
28be1ada | 2171 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
165e1749 FP |
2172 | i += MENU_ITEMS_PANE_LENGTH; |
2173 | } | |
28be1ada | 2174 | else if (EQ (AREF (menu_items, i), Qquote)) |
85996cfb GM |
2175 | { |
2176 | /* This is the boundary between left-side elts and | |
2177 | right-side elts. */ | |
2178 | ++i; | |
2179 | } | |
165e1749 FP |
2180 | else |
2181 | { | |
2182 | entry | |
28be1ada | 2183 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
4939150c | 2184 | if (menu_item_selection == aref_addr (menu_items, i)) |
165e1749 FP |
2185 | { |
2186 | if (keymaps != 0) | |
2187 | { | |
2188 | entry = Fcons (entry, Qnil); | |
2189 | if (!NILP (prefix)) | |
2190 | entry = Fcons (prefix, entry); | |
2191 | } | |
2192 | return entry; | |
2193 | } | |
2194 | i += MENU_ITEMS_ITEM_LENGTH; | |
2195 | } | |
2196 | } | |
2197 | } | |
9f6fcdc5 JD |
2198 | else |
2199 | /* Make "Cancel" equivalent to C-g. */ | |
2200 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2201 | |
2202 | return Qnil; | |
2203 | } | |
ba461919 | 2204 | |
488dd4c4 | 2205 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2206 | |
3e703b25 GM |
2207 | /* The frame of the last activated non-toolkit menu bar. |
2208 | Used to generate menu help events. */ | |
2209 | ||
2210 | static struct frame *menu_help_frame; | |
2211 | ||
2212 | ||
62145073 GM |
2213 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2214 | ||
2215 | PANE is the pane number, and ITEM is the menu item number in | |
2216 | the menu (currently not used). | |
177c0ea7 | 2217 | |
62145073 GM |
2218 | This cannot be done with generating a HELP_EVENT because |
2219 | XMenuActivate contains a loop that doesn't let Emacs process | |
2220 | keyboard events. */ | |
3e703b25 GM |
2221 | |
2222 | static void | |
eb18f6cc | 2223 | menu_help_callback (char const *help_string, int pane, int item) |
3e703b25 | 2224 | { |
62145073 GM |
2225 | Lisp_Object *first_item; |
2226 | Lisp_Object pane_name; | |
2227 | Lisp_Object menu_object; | |
177c0ea7 | 2228 | |
62145073 GM |
2229 | first_item = XVECTOR (menu_items)->contents; |
2230 | if (EQ (first_item[0], Qt)) | |
2231 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2232 | else if (EQ (first_item[0], Qquote)) | |
2233 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2234 | pane_name = empty_unibyte_string; |
62145073 GM |
2235 | else |
2236 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2237 | |
62145073 GM |
2238 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2239 | menu_object = Fcons (Qmenu_item, | |
2240 | Fcons (pane_name, | |
2241 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2242 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
f868cd8a | 2243 | Qnil, menu_object, make_number (item)); |
3e703b25 | 2244 | } |
177c0ea7 | 2245 | |
af89e871 | 2246 | static Lisp_Object |
0521f580 | 2247 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2248 | { |
a130b901 JD |
2249 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2250 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2251 | |
a130b901 JD |
2252 | FRAME_PTR f = p1->pointer; |
2253 | XMenu *menu = p2->pointer; | |
af89e871 JD |
2254 | |
2255 | BLOCK_INPUT; | |
af89e871 | 2256 | #ifndef MSDOS |
a130b901 JD |
2257 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2258 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2259 | #endif |
a130b901 | 2260 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2261 | |
2262 | #ifdef HAVE_X_WINDOWS | |
2263 | /* Assume the mouse has moved out of the X window. | |
2264 | If it has actually moved in, we will get an EnterNotify. */ | |
2265 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2266 | ||
2267 | /* State that no mouse buttons are now held. | |
2268 | (The oldXMenu code doesn't track this info for us.) | |
2269 | That is not necessarily true, but the fiction leads to reasonable | |
2270 | results, and it is a pain to ask which are actually held now. */ | |
2271 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2272 | ||
2273 | #endif /* HAVE_X_WINDOWS */ | |
2274 | ||
2275 | UNBLOCK_INPUT; | |
2276 | ||
2277 | return Qnil; | |
2278 | } | |
2279 | ||
3e703b25 | 2280 | |
1fb99a3a | 2281 | Lisp_Object |
2b23d2a6 | 2282 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, |
08dc5ae6 | 2283 | Lisp_Object title, const char **error_name, Time timestamp) |
dcfdbac7 | 2284 | { |
177c0ea7 | 2285 | Window root; |
78589e07 RS |
2286 | XMenu *menu; |
2287 | int pane, selidx, lpane, status; | |
2288 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2289 | char *datap; |
2290 | int ulx, uly, width, height; | |
2291 | int dispwidth, dispheight; | |
453a4f1b | 2292 | int i, j, lines, maxlines; |
4e8d3549 | 2293 | int maxwidth; |
78589e07 RS |
2294 | int dummy_int; |
2295 | unsigned int dummy_uint; | |
d311d28c | 2296 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2297 | |
a9e1244d | 2298 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
1088b922 | 2299 | emacs_abort (); |
62af879c | 2300 | |
bf501fb9 | 2301 | *error_name = 0; |
78589e07 RS |
2302 | if (menu_items_n_panes == 0) |
2303 | return Qnil; | |
088831f6 | 2304 | |
742f715d KH |
2305 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2306 | { | |
bf501fb9 | 2307 | *error_name = "Empty menu"; |
742f715d KH |
2308 | return Qnil; |
2309 | } | |
2310 | ||
78589e07 | 2311 | /* Figure out which root window F is on. */ |
92280f67 | 2312 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2313 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2314 | &dummy_uint, &dummy_uint); | |
18686d47 | 2315 | |
78589e07 | 2316 | /* Make the menu on that window. */ |
92280f67 | 2317 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2318 | if (menu == NULL) |
dcfdbac7 | 2319 | { |
bf501fb9 | 2320 | *error_name = "Can't create menu"; |
78589e07 | 2321 | return Qnil; |
dcfdbac7 | 2322 | } |
78589e07 | 2323 | |
d130d129 RS |
2324 | /* Don't GC while we prepare and show the menu, |
2325 | because we give the oldxmenu library pointers to the | |
2326 | contents of strings. */ | |
2327 | inhibit_garbage_collection (); | |
2328 | ||
87485d6f | 2329 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2330 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2331 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2332 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2333 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2334 | |
2335 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2336 | x += f->left_pos; |
2337 | y += f->top_pos; | |
177c0ea7 | 2338 | |
78589e07 | 2339 | /* Create all the necessary panes and their items. */ |
eef9bc79 PE |
2340 | maxwidth = maxlines = lines = i = 0; |
2341 | lpane = XM_FAILURE; | |
78589e07 | 2342 | while (i < menu_items_used) |
dcfdbac7 | 2343 | { |
28be1ada | 2344 | if (EQ (AREF (menu_items, i), Qt)) |
dcfdbac7 | 2345 | { |
78589e07 RS |
2346 | /* Create a new pane. */ |
2347 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2348 | const char *pane_string; |
78589e07 | 2349 | |
453a4f1b JD |
2350 | maxlines = max (maxlines, lines); |
2351 | lines = 0; | |
28be1ada DA |
2352 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
2353 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
78589e07 | 2354 | pane_string = (NILP (pane_name) |
51b59d79 | 2355 | ? "" : SSDATA (pane_name)); |
78589e07 RS |
2356 | if (keymaps && !NILP (prefix)) |
2357 | pane_string++; | |
2358 | ||
92280f67 | 2359 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2360 | if (lpane == XM_FAILURE) |
2361 | { | |
92280f67 | 2362 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2363 | *error_name = "Can't create pane"; |
78589e07 RS |
2364 | return Qnil; |
2365 | } | |
2366 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2367 | |
2368 | /* Find the width of the widest item in this pane. */ | |
4e8d3549 RS |
2369 | j = i; |
2370 | while (j < menu_items_used) | |
2371 | { | |
2372 | Lisp_Object item; | |
28be1ada | 2373 | item = AREF (menu_items, j); |
4e8d3549 RS |
2374 | if (EQ (item, Qt)) |
2375 | break; | |
2376 | if (NILP (item)) | |
2377 | { | |
2378 | j++; | |
2379 | continue; | |
2380 | } | |
d5db4077 | 2381 | width = SBYTES (item); |
4e8d3549 RS |
2382 | if (width > maxwidth) |
2383 | maxwidth = width; | |
2384 | ||
2385 | j += MENU_ITEMS_ITEM_LENGTH; | |
2386 | } | |
dcfdbac7 | 2387 | } |
fcaa7665 RS |
2388 | /* Ignore a nil in the item list. |
2389 | It's meaningful only for dialog boxes. */ | |
28be1ada | 2390 | else if (EQ (AREF (menu_items, i), Qquote)) |
fcaa7665 | 2391 | i += 1; |
78589e07 | 2392 | else |
dcfdbac7 | 2393 | { |
78589e07 | 2394 | /* Create a new item within current pane. */ |
3e703b25 | 2395 | Lisp_Object item_name, enable, descrip, help; |
eb18f6cc PE |
2396 | char *item_data; |
2397 | char const *help_string; | |
78589e07 | 2398 | |
28be1ada DA |
2399 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
2400 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
78589e07 | 2401 | descrip |
28be1ada DA |
2402 | = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); |
2403 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
eb18f6cc | 2404 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
177c0ea7 | 2405 | |
78589e07 | 2406 | if (!NILP (descrip)) |
4e8d3549 | 2407 | { |
4e8d3549 RS |
2408 | /* if alloca is fast, use that to make the space, |
2409 | to reduce gc needs. */ | |
38182d90 | 2410 | item_data = alloca (maxwidth + SBYTES (descrip) + 1); |
eb18f6cc | 2411 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); |
d5db4077 | 2412 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2413 | item_data[j] = ' '; |
eb18f6cc | 2414 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2415 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2416 | } |
2417 | else | |
eb18f6cc | 2418 | item_data = SSDATA (item_name); |
78589e07 | 2419 | |
eef9bc79 PE |
2420 | if (lpane == XM_FAILURE |
2421 | || (XMenuAddSelection (FRAME_X_DISPLAY (f), | |
2422 | menu, lpane, 0, item_data, | |
2423 | !NILP (enable), help_string) | |
2424 | == XM_FAILURE)) | |
dcfdbac7 | 2425 | { |
92280f67 | 2426 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2427 | *error_name = "Can't add selection to menu"; |
78589e07 | 2428 | return Qnil; |
dcfdbac7 | 2429 | } |
78589e07 | 2430 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2431 | lines++; |
dcfdbac7 JB |
2432 | } |
2433 | } | |
4e8d3549 | 2434 | |
453a4f1b JD |
2435 | maxlines = max (maxlines, lines); |
2436 | ||
78589e07 | 2437 | /* All set and ready to fly. */ |
92280f67 | 2438 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2439 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2440 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2441 | x = min (x, dispwidth); |
2442 | y = min (y, dispheight); | |
2443 | x = max (x, 1); | |
2444 | y = max (y, 1); | |
92280f67 | 2445 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2446 | &ulx, &uly, &width, &height); |
2447 | if (ulx+width > dispwidth) | |
2448 | { | |
78589e07 | 2449 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2450 | ulx = dispwidth - width; |
2451 | } | |
2452 | if (uly+height > dispheight) | |
2453 | { | |
78589e07 | 2454 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2455 | uly = dispheight - height; |
2456 | } | |
2de7397f EZ |
2457 | #ifndef HAVE_X_WINDOWS |
2458 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2459 | { | |
2460 | /* Move the menu away of the echo area, to avoid overwriting the | |
2461 | menu with help echo messages or vice versa. */ | |
2462 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2463 | { | |
2464 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2465 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2466 | } | |
2467 | else | |
2468 | { | |
2469 | y--; | |
2470 | uly--; | |
2471 | } | |
2472 | } | |
2473 | #endif | |
78589e07 RS |
2474 | if (ulx < 0) x -= ulx; |
2475 | if (uly < 0) y -= uly; | |
121e4555 | 2476 | |
453a4f1b JD |
2477 | if (! for_click) |
2478 | { | |
2479 | /* If position was not given by a mouse click, adjust so upper left | |
2480 | corner of the menu as a whole ends up at given coordinates. This | |
2481 | is what x-popup-menu says in its documentation. */ | |
2482 | x += width/2; | |
2483 | y += 1.5*height/(maxlines+2); | |
2484 | } | |
2485 | ||
121e4555 | 2486 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2487 | XMenuSetFreeze (menu, TRUE); |
2488 | pane = selidx = 0; | |
3e703b25 | 2489 | |
c3438661 JD |
2490 | #ifndef MSDOS |
2491 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2492 | #endif | |
59cfb104 | 2493 | |
a130b901 JD |
2494 | record_unwind_protect (pop_down_menu, |
2495 | Fcons (make_save_value (f, 0), | |
2496 | make_save_value (menu, 0))); | |
c3438661 | 2497 | |
3e703b25 GM |
2498 | /* Help display under X won't work because XMenuActivate contains |
2499 | a loop that doesn't give Emacs a chance to process it. */ | |
2500 | menu_help_frame = f; | |
92280f67 | 2501 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2502 | x, y, ButtonReleaseMask, &datap, |
2503 | menu_help_callback); | |
eef9bc79 | 2504 | entry = pane_prefix = Qnil; |
a352a815 | 2505 | |
dcfdbac7 JB |
2506 | switch (status) |
2507 | { | |
2508 | case XM_SUCCESS: | |
2509 | #ifdef XDEBUG | |
2510 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2511 | #endif | |
fa6d54d9 | 2512 | |
78589e07 RS |
2513 | /* Find the item number SELIDX in pane number PANE. */ |
2514 | i = 0; | |
2515 | while (i < menu_items_used) | |
fa6d54d9 | 2516 | { |
28be1ada | 2517 | if (EQ (AREF (menu_items, i), Qt)) |
088831f6 | 2518 | { |
78589e07 RS |
2519 | if (pane == 0) |
2520 | pane_prefix | |
28be1ada | 2521 | = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); |
78589e07 RS |
2522 | pane--; |
2523 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2524 | } |
78589e07 | 2525 | else |
ab6ee1a0 | 2526 | { |
78589e07 | 2527 | if (pane == -1) |
ab6ee1a0 | 2528 | { |
78589e07 | 2529 | if (selidx == 0) |
ab6ee1a0 | 2530 | { |
78589e07 | 2531 | entry |
28be1ada | 2532 | = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE); |
78589e07 | 2533 | if (keymaps != 0) |
ab6ee1a0 | 2534 | { |
78589e07 RS |
2535 | entry = Fcons (entry, Qnil); |
2536 | if (!NILP (pane_prefix)) | |
2537 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2538 | } |
78589e07 | 2539 | break; |
ab6ee1a0 | 2540 | } |
78589e07 | 2541 | selidx--; |
ab6ee1a0 | 2542 | } |
78589e07 | 2543 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2544 | } |
2545 | } | |
78589e07 | 2546 | break; |
dcfdbac7 | 2547 | |
78589e07 | 2548 | case XM_FAILURE: |
bf501fb9 | 2549 | *error_name = "Can't activate menu"; |
78589e07 | 2550 | case XM_IA_SELECT: |
9f6fcdc5 | 2551 | break; |
78589e07 | 2552 | case XM_NO_SELECT: |
be6ed24a RS |
2553 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2554 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2555 | if (! for_click) |
2556 | Fsignal (Qquit, Qnil); | |
78589e07 | 2557 | break; |
dcfdbac7 | 2558 | } |
a5285df3 | 2559 | |
af89e871 | 2560 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2561 | |
78589e07 | 2562 | return entry; |
dcfdbac7 | 2563 | } |
4dedbfe0 | 2564 | |
78589e07 | 2565 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2566 | |
2567 | #endif /* HAVE_MENUS */ | |
e3135734 | 2568 | |
d009ae66 EZ |
2569 | #ifndef MSDOS |
2570 | /* Detect if a dialog or menu has been posted. MSDOS has its own | |
2571 | implementation on msdos.c. */ | |
b79b8a1c | 2572 | |
077288cf | 2573 | int ATTRIBUTE_CONST |
971de7fb | 2574 | popup_activated (void) |
b79b8a1c CY |
2575 | { |
2576 | return popup_activated_flag; | |
2577 | } | |
d009ae66 | 2578 | #endif /* not MSDOS */ |
e3135734 CY |
2579 | |
2580 | /* The following is used by delayed window autoselection. */ | |
2581 | ||
2582 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2583 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2584 | (void) |
e3135734 CY |
2585 | { |
2586 | #ifdef HAVE_MENUS | |
2587 | return (popup_activated ()) ? Qt : Qnil; | |
2588 | #else | |
2589 | return Qnil; | |
2590 | #endif /* HAVE_MENUS */ | |
2591 | } | |
088831f6 | 2592 | \f |
dfcf069d | 2593 | void |
971de7fb | 2594 | syms_of_xmenu (void) |
dcfdbac7 | 2595 | { |
cd3520a4 | 2596 | DEFSYM (Qdebug_on_next_call, "debug-on-next-call"); |
0314aacb | 2597 | |
8ed87156 | 2598 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2599 | widget_id_tick = (1<<16); |
88766961 | 2600 | next_menubar_widget_id = 1; |
8ed87156 RS |
2601 | #endif |
2602 | ||
508fb067 | 2603 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2604 | |
2605 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2606 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2607 | Ffset (intern_c_string ("accelerate-menu"), |
2608 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2609 | #endif |
2610 | ||
1e659e4c | 2611 | #ifdef HAVE_MENUS |
165e1749 | 2612 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2613 | #endif |
dcfdbac7 | 2614 | } |