Commit | Line | Data |
---|---|---|
dcfdbac7 | 1 | /* X Communication module for terminals which understand the X protocol. |
0b5538bd | 2 | Copyright (C) 1986, 1988, 1993, 1994, 1996, 1999, 2000, 2001, 2002, 2003, |
114f9c96 | 3 | 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
dcfdbac7 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
dcfdbac7 | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
dcfdbac7 JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
dcfdbac7 | 19 | |
c9e60620 | 20 | /* X pop-up deck-of-cards menu facility for GNU Emacs. |
dcfdbac7 JB |
21 | * |
22 | * Written by Jon Arnold and Roman Budzianowski | |
23 | * Mods and rewrite by Robert Krawitz | |
24 | * | |
25 | */ | |
26 | ||
18686d47 RS |
27 | /* Modified by Fred Pierresteguy on December 93 |
28 | to make the popup menus and menubar use the Xt. */ | |
29 | ||
78589e07 RS |
30 | /* Rewritten for clarity and GC protection by rms in Feb 94. */ |
31 | ||
68c45bf0 PE |
32 | #include <config.h> |
33 | ||
8faf6057 | 34 | #if 0 /* Why was this included? And without syssignal.h? */ |
dcfdbac7 JB |
35 | /* On 4.3 this loses if it comes after xterm.h. */ |
36 | #include <signal.h> | |
8faf6057 | 37 | #endif |
565620a5 RS |
38 | |
39 | #include <stdio.h> | |
d7306fe6 | 40 | #include <setjmp.h> |
7ee72033 | 41 | |
dcfdbac7 | 42 | #include "lisp.h" |
02067692 | 43 | #include "keyboard.h" |
5ee707b8 | 44 | #include "keymap.h" |
7708e9bd | 45 | #include "frame.h" |
428a555e | 46 | #include "termhooks.h" |
dcfdbac7 | 47 | #include "window.h" |
9ac0d9e0 | 48 | #include "blockinput.h" |
88766961 | 49 | #include "buffer.h" |
cc45fb40 SM |
50 | #include "charset.h" |
51 | #include "coding.h" | |
c3438661 | 52 | #include "sysselect.h" |
dcfdbac7 | 53 | |
eeee3112 RS |
54 | #ifdef MSDOS |
55 | #include "msdos.h" | |
56 | #endif | |
57 | ||
87485d6f | 58 | #ifdef HAVE_X_WINDOWS |
dcfdbac7 JB |
59 | /* This may include sys/types.h, and that somehow loses |
60 | if this is not done before the other system files. */ | |
61 | #include "xterm.h" | |
87485d6f | 62 | #endif |
dcfdbac7 JB |
63 | |
64 | /* Load sys/types.h if not already loaded. | |
65 | In some systems loading it twice is suicidal. */ | |
66 | #ifndef makedev | |
67 | #include <sys/types.h> | |
68 | #endif | |
69 | ||
70 | #include "dispextern.h" | |
71 | ||
87485d6f | 72 | #ifdef HAVE_X_WINDOWS |
646f98ec DL |
73 | /* Defining HAVE_MULTILINGUAL_MENU would mean that the toolkit menu |
74 | code accepts the Emacs internal encoding. */ | |
703dc2a8 | 75 | #undef HAVE_MULTILINGUAL_MENU |
18686d47 | 76 | #ifdef USE_X_TOOLKIT |
991786dd | 77 | #include "widget.h" |
18686d47 RS |
78 | #include <X11/Xlib.h> |
79 | #include <X11/IntrinsicP.h> | |
80 | #include <X11/CoreP.h> | |
81 | #include <X11/StringDefs.h> | |
60f312e2 | 82 | #include <X11/Shell.h> |
5ee80bd3 | 83 | #ifdef USE_LUCID |
99852628 JD |
84 | #include "xsettings.h" |
85 | #include "../lwlib/xlwmenu.h" | |
5262c5c7 CY |
86 | #ifdef HAVE_XAW3D |
87 | #include <X11/Xaw3d/Paned.h> | |
88 | #else /* !HAVE_XAW3D */ | |
1d1c1567 | 89 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 90 | #endif /* HAVE_XAW3D */ |
5ee80bd3 | 91 | #endif /* USE_LUCID */ |
18686d47 | 92 | #include "../lwlib/lwlib.h" |
a352a815 | 93 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 | 94 | #ifndef USE_GTK |
a352a815 | 95 | #include "../oldXMenu/XMenu.h" |
488dd4c4 | 96 | #endif |
a352a815 RS |
97 | #endif /* not USE_X_TOOLKIT */ |
98 | #endif /* HAVE_X_WINDOWS */ | |
18686d47 | 99 | |
e7c9048f AS |
100 | #ifdef USE_GTK |
101 | #include "gtkutil.h" | |
102 | #endif | |
103 | ||
104 | #include "menu.h" | |
105 | ||
dcfdbac7 JB |
106 | #ifndef TRUE |
107 | #define TRUE 1 | |
108 | #define FALSE 0 | |
78589e07 | 109 | #endif /* no TRUE */ |
dcfdbac7 | 110 | |
0314aacb RS |
111 | Lisp_Object Qdebug_on_next_call; |
112 | ||
18686d47 | 113 | extern Lisp_Object Qmenu_bar; |
78589e07 | 114 | |
de57a39c | 115 | extern Lisp_Object QCtoggle, QCradio; |
8fbc986d | 116 | |
88766961 RS |
117 | extern Lisp_Object Voverriding_local_map; |
118 | extern Lisp_Object Voverriding_local_map_menu_flag; | |
119 | ||
120 | extern Lisp_Object Qoverriding_local_map, Qoverriding_terminal_local_map; | |
121 | ||
122 | extern Lisp_Object Qmenu_bar_update_hook; | |
123 | ||
18686d47 | 124 | #ifdef USE_X_TOOLKIT |
f57e2426 | 125 | extern void set_frame_menubar (FRAME_PTR, int, int); |
78589e07 RS |
126 | extern XtAppContext Xt_app_con; |
127 | ||
f57e2426 J |
128 | static Lisp_Object xdialog_show (FRAME_PTR, int, Lisp_Object, Lisp_Object, |
129 | char **); | |
130 | static void popup_get_selection (XEvent *, struct x_display_info *, | |
131 | LWLIB_ID, int); | |
488dd4c4 JD |
132 | #endif /* USE_X_TOOLKIT */ |
133 | ||
134 | #ifdef USE_GTK | |
f57e2426 J |
135 | extern void set_frame_menubar (FRAME_PTR, int, int); |
136 | static Lisp_Object xdialog_show (FRAME_PTR, int, Lisp_Object, Lisp_Object, | |
137 | char **); | |
3427a3db GM |
138 | #endif |
139 | ||
f57e2426 | 140 | static int update_frame_menubar (struct frame *); |
78589e07 | 141 | \f |
4dedbfe0 | 142 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 143 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 144 | static int popup_activated_flag; |
4dedbfe0 | 145 | |
88766961 | 146 | static int next_menubar_widget_id; |
745c34fb | 147 | |
d142dd3d CY |
148 | /* For NS and NTGUI, these prototypes are defined in keyboard.h. */ |
149 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) | |
f57e2426 J |
150 | extern widget_value *xmalloc_widget_value (void); |
151 | extern widget_value *digest_single_submenu (int, int, int); | |
d142dd3d CY |
152 | #endif |
153 | ||
a9be6839 RS |
154 | /* This is set nonzero after the user activates the menu bar, and set |
155 | to zero again after the menu bars are redisplayed by prepare_menu_bar. | |
156 | While it is nonzero, all calls to set_frame_menubar go deep. | |
157 | ||
158 | I don't understand why this is needed, but it does seem to be | |
159 | needed on Motif, according to Marcus Daniels <marcus@sysc.pdx.edu>. */ | |
160 | ||
161 | int pending_menu_activation; | |
bd3a4da2 | 162 | \f |
88766961 | 163 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 164 | |
7556890b | 165 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 166 | |
88766961 | 167 | static struct frame * |
ebd15611 | 168 | menubar_id_to_frame (LWLIB_ID id) |
88766961 RS |
169 | { |
170 | Lisp_Object tail, frame; | |
171 | FRAME_PTR f; | |
bd3a4da2 | 172 | |
8e50cc2d | 173 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
bd3a4da2 | 174 | { |
8e713be6 | 175 | frame = XCAR (tail); |
8e50cc2d | 176 | if (!FRAMEP (frame)) |
88766961 RS |
177 | continue; |
178 | f = XFRAME (frame); | |
2d764c78 | 179 | if (!FRAME_WINDOW_P (f)) |
88766961 | 180 | continue; |
7556890b | 181 | if (f->output_data.x->id == id) |
88766961 | 182 | return f; |
bd3a4da2 | 183 | } |
88766961 | 184 | return 0; |
bd3a4da2 | 185 | } |
88766961 RS |
186 | |
187 | #endif | |
4dedbfe0 | 188 | \f |
a894238b JD |
189 | #ifdef HAVE_X_WINDOWS |
190 | /* Return the mouse position in *X and *Y. The coordinates are window | |
191 | relative for the edit window in frame F. | |
192 | This is for Fx_popup_menu. The mouse_position_hook can not | |
193 | be used for X, as it returns window relative coordinates | |
194 | for the window where the mouse is in. This could be the menu bar, | |
195 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
196 | sure it is the edit window. */ | |
ef7417fd | 197 | void |
971de7fb | 198 | mouse_position_for_popup (FRAME_PTR f, int *x, int *y) |
a894238b JD |
199 | { |
200 | Window root, dummy_window; | |
201 | int dummy; | |
202 | ||
62af879c KL |
203 | if (! FRAME_X_P (f)) |
204 | abort (); | |
205 | ||
a894238b | 206 | BLOCK_INPUT; |
177c0ea7 | 207 | |
a894238b JD |
208 | XQueryPointer (FRAME_X_DISPLAY (f), |
209 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
210 | ||
211 | /* The root window which contains the pointer. */ | |
212 | &root, | |
213 | ||
214 | /* Window pointer is on, not used */ | |
215 | &dummy_window, | |
216 | ||
217 | /* The position on that root window. */ | |
218 | x, y, | |
219 | ||
220 | /* x/y in dummy_window coordinates, not used. */ | |
221 | &dummy, &dummy, | |
222 | ||
223 | /* Modifier keys and pointer buttons, about which | |
224 | we don't care. */ | |
225 | (unsigned int *) &dummy); | |
226 | ||
227 | UNBLOCK_INPUT; | |
228 | ||
229 | /* xmenu_show expects window coordinates, not root window | |
230 | coordinates. Translate. */ | |
9882535b KS |
231 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
232 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
233 | } |
234 | ||
235 | #endif /* HAVE_X_WINDOWS */ | |
236 | ||
1e659e4c RS |
237 | #ifdef HAVE_MENUS |
238 | ||
6a040d6a | 239 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 240 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
241 | POSITION specifies which frame to use. |
242 | This is normally a mouse button event or a window or frame. | |
243 | If POSITION is t, it means to use the frame the mouse is on. | |
244 | The dialog box appears in the middle of the specified frame. | |
245 | ||
246 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 247 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
248 | Each ITEM is a cons cell (STRING . VALUE). |
249 | The return value is VALUE from the chosen item. | |
250 | ||
251 | An ITEM may also be just a string--that makes a nonselectable item. | |
252 | An ITEM may also be nil--that means to put all preceding items | |
253 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
254 | \(By default, approximately half appear on each side.) |
255 | ||
6a040d6a NR |
256 | If HEADER is non-nil, the frame title for the box is "Information", |
257 | otherwise it is "Question". | |
258 | ||
c05fe5d5 LT |
259 | If the user gets rid of the dialog box without making a valid choice, |
260 | for instance using the window manager, then this produces a quit and | |
261 | `x-popup-dialog' does not return. */) | |
5842a27b | 262 | (Lisp_Object position, Lisp_Object contents, Lisp_Object header) |
165e1749 | 263 | { |
cc45fb40 | 264 | FRAME_PTR f = NULL; |
99fe880d | 265 | Lisp_Object window; |
165e1749 FP |
266 | |
267 | check_x (); | |
268 | ||
99fe880d | 269 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 270 | if (EQ (position, Qt) |
2b06561a DL |
271 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
272 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 273 | { |
b14db4d7 | 274 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 275 | /* Use the mouse's current position. */ |
b404828f | 276 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 277 | Lisp_Object bar_window; |
cc45fb40 | 278 | enum scroll_bar_part part; |
99fe880d RS |
279 | unsigned long time; |
280 | Lisp_Object x, y; | |
165e1749 | 281 | |
46b657e2 | 282 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 283 | |
99fe880d | 284 | if (new_f != 0) |
a39f0477 | 285 | XSETFRAME (window, new_f); |
99fe880d RS |
286 | else |
287 | window = selected_window; | |
b14db4d7 | 288 | #endif |
88d4f6ec | 289 | window = selected_window; |
99fe880d RS |
290 | } |
291 | else if (CONSP (position)) | |
292 | { | |
293 | Lisp_Object tem; | |
294 | tem = Fcar (position); | |
b5bb2705 | 295 | if (CONSP (tem)) |
99fe880d | 296 | window = Fcar (Fcdr (position)); |
80670155 RS |
297 | else |
298 | { | |
99fe880d RS |
299 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
300 | window = Fcar (tem); /* POSN_WINDOW (tem) */ | |
165e1749 | 301 | } |
165e1749 | 302 | } |
99fe880d RS |
303 | else if (WINDOWP (position) || FRAMEP (position)) |
304 | window = position; | |
a9be6839 RS |
305 | else |
306 | window = Qnil; | |
165e1749 | 307 | |
99fe880d | 308 | /* Decode where to put the menu. */ |
165e1749 | 309 | |
b5bb2705 | 310 | if (FRAMEP (window)) |
99fe880d | 311 | f = XFRAME (window); |
b5bb2705 | 312 | else if (WINDOWP (window)) |
165e1749 | 313 | { |
b7826503 | 314 | CHECK_LIVE_WINDOW (window); |
99fe880d | 315 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 316 | } |
99fe880d RS |
317 | else |
318 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
319 | but I don't want to make one now. */ | |
b7826503 | 320 | CHECK_WINDOW (window); |
165e1749 | 321 | |
a9e1244d EZ |
322 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
323 | error ("Can not put X dialog on this terminal"); | |
62af879c | 324 | |
5da9fdfa YM |
325 | /* Force a redisplay before showing the dialog. If a frame is created |
326 | just before showing the dialog, its contents may not have been fully | |
327 | drawn, as this depends on timing of events from the X server. Redisplay | |
328 | is not done when a dialog is shown. If redisplay could be done in the | |
329 | X event loop (i.e. the X event loop does not run in a signal handler) | |
330 | this would not be needed. | |
331 | ||
332 | Do this before creating the widget value that points to Lisp | |
333 | string contents, because Fredisplay may GC and relocate them. */ | |
334 | Fredisplay (Qt); | |
335 | ||
488dd4c4 | 336 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
337 | /* Display a menu with these alternatives |
338 | in the middle of frame F. */ | |
339 | { | |
340 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
341 | XSETFRAME (frame, f); |
342 | XSETINT (x, x_pixel_width (f) / 2); | |
343 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
344 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
345 | ||
346 | return Fx_popup_menu (newpos, | |
347 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
348 | } | |
349 | #else | |
350 | { | |
351 | Lisp_Object title; | |
352 | char *error_name; | |
353 | Lisp_Object selection; | |
86fad4ec | 354 | int specpdl_count = SPECPDL_INDEX (); |
165e1749 | 355 | |
99fe880d RS |
356 | /* Decode the dialog items from what was specified. */ |
357 | title = Fcar (contents); | |
b7826503 | 358 | CHECK_STRING (title); |
86fad4ec | 359 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 360 | |
6b61353c KH |
361 | if (NILP (Fcar (Fcdr (contents)))) |
362 | /* No buttons specified, add an "Ok" button so users can pop down | |
363 | the dialog. Also, the lesstif/motif version crashes if there are | |
364 | no buttons. */ | |
365 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 366 | |
99fe880d | 367 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 368 | |
99fe880d RS |
369 | /* Display them in a dialog box. */ |
370 | BLOCK_INPUT; | |
6a040d6a | 371 | selection = xdialog_show (f, 0, title, header, &error_name); |
99fe880d | 372 | UNBLOCK_INPUT; |
165e1749 | 373 | |
86fad4ec | 374 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
375 | discard_menu_items (); |
376 | ||
377 | if (error_name) error (error_name); | |
378 | return selection; | |
379 | } | |
7464b131 | 380 | #endif |
392d3f4b | 381 | } |
c3438661 JD |
382 | |
383 | ||
384 | #ifndef MSDOS | |
385 | ||
b3935289 JD |
386 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
387 | ||
388 | void | |
971de7fb | 389 | x_menu_set_in_use (int in_use) |
b3935289 JD |
390 | { |
391 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 392 | popup_activated_flag = in_use; |
98a20c65 CY |
393 | #ifdef USE_X_TOOLKIT |
394 | if (popup_activated_flag) | |
395 | x_activate_timeout_atimer (); | |
396 | #endif | |
b3935289 JD |
397 | } |
398 | ||
c3438661 JD |
399 | /* Wait for an X event to arrive or for a timer to expire. */ |
400 | ||
b3935289 | 401 | void |
c3438661 JD |
402 | x_menu_wait_for_event (void *data) |
403 | { | |
c3438661 JD |
404 | /* Another way to do this is to register a timer callback, that can be |
405 | done in GTK and Xt. But we have to do it like this when using only X | |
406 | anyway, and with callbacks we would have three variants for timer handling | |
407 | instead of the small ifdefs below. */ | |
408 | ||
409 | while ( | |
410 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 411 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
412 | #elif defined USE_GTK |
413 | ! gtk_events_pending () | |
414 | #else | |
415 | ! XPending ((Display*) data) | |
416 | #endif | |
417 | ) | |
418 | { | |
e90292a9 | 419 | EMACS_TIME next_time = timer_check (1), *ntp; |
c3438661 JD |
420 | long secs = EMACS_SECS (next_time); |
421 | long usecs = EMACS_USECS (next_time); | |
422 | SELECT_TYPE read_fds; | |
423 | struct x_display_info *dpyinfo; | |
424 | int n = 0; | |
425 | ||
426 | FD_ZERO (&read_fds); | |
427 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
428 | { | |
429 | int fd = ConnectionNumber (dpyinfo->display); | |
430 | FD_SET (fd, &read_fds); | |
431 | if (fd > n) n = fd; | |
11814156 | 432 | XFlush (dpyinfo->display); |
c3438661 JD |
433 | } |
434 | ||
e90292a9 JD |
435 | if (secs < 0 && usecs < 0) |
436 | ntp = 0; | |
437 | else | |
438 | ntp = &next_time; | |
c3438661 | 439 | |
e90292a9 | 440 | select (n + 1, &read_fds, (SELECT_TYPE *)0, (SELECT_TYPE *)0, ntp); |
c3438661 JD |
441 | } |
442 | } | |
443 | #endif /* ! MSDOS */ | |
444 | ||
78589e07 | 445 | \f |
488dd4c4 | 446 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 447 | |
f1d1cd24 JD |
448 | #ifdef USE_X_TOOLKIT |
449 | ||
4dedbfe0 | 450 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 451 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
452 | and x-popup-dialog; it is not used for the menu bar. |
453 | ||
2e2b8e22 | 454 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 455 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 456 | |
f02cac82 | 457 | static void |
ebd15611 | 458 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 459 | { |
4dedbfe0 | 460 | XEvent event; |
f02cac82 | 461 | |
8b806a85 JD |
462 | while (popup_activated_flag) |
463 | { | |
c0b0f54b | 464 | if (initial_event) |
8b806a85 JD |
465 | { |
466 | event = *initial_event; | |
467 | initial_event = 0; | |
468 | } | |
469 | else | |
c3438661 JD |
470 | { |
471 | if (do_timers) x_menu_wait_for_event (0); | |
472 | XtAppNextEvent (Xt_app_con, &event); | |
473 | } | |
78589e07 | 474 | |
10624005 | 475 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
476 | And make sure to deactivate for any ButtonRelease, |
477 | even if XtDispatchEvent doesn't do that. */ | |
478 | if (event.type == ButtonRelease | |
479 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
480 | { |
481 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 482 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
483 | Btn1Down seems the only way to convince Motif to |
484 | activate its callbacks; setting the XmNmenuPost | |
485 | isn't working. --marcus@sysc.pdx.edu. */ | |
486 | event.xbutton.button = 1; | |
487 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
488 | key is pressed and the button is released. So reset key state | |
489 | so Motif thinks this is the case. */ | |
490 | event.xbutton.state = 0; | |
c8b5aa3d | 491 | #endif |
10624005 | 492 | } |
33385c6f | 493 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 494 | else if (event.type == KeyPress |
10624005 | 495 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
496 | { |
497 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 498 | |
33385c6f JD |
499 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
500 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 501 | popup_activated_flag = 0; |
8b806a85 | 502 | } |
177c0ea7 | 503 | |
8b806a85 | 504 | x_dispatch_event (&event, event.xany.display); |
aa669def | 505 | } |
78589e07 RS |
506 | } |
507 | ||
12b6af5c | 508 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
509 | doc: /* Start key navigation of the menu bar in FRAME. |
510 | This initially opens the first menu bar item and you can then navigate with the | |
511 | arrow keys, select a menu entry with the return key or cancel with the | |
512 | escape key. If FRAME has no menu bar this function does nothing. | |
513 | ||
514 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 515 | (Lisp_Object frame) |
22badffe JD |
516 | { |
517 | XEvent ev; | |
518 | FRAME_PTR f = check_x_frame (frame); | |
519 | Widget menubar; | |
520 | BLOCK_INPUT; | |
521 | ||
522 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
523 | set_frame_menubar (f, 0, 1); | |
524 | ||
525 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
526 | if (menubar) | |
527 | { | |
528 | Window child; | |
529 | int error_p = 0; | |
530 | ||
531 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
532 | memset (&ev, 0, sizeof ev); | |
533 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
534 | ev.xbutton.window = XtWindow (menubar); | |
535 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
536 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
537 | ev.xbutton.button = Button1; | |
538 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
539 | ev.xbutton.same_screen = True; | |
540 | ||
541 | #ifdef USE_MOTIF | |
542 | { | |
543 | Arg al[2]; | |
544 | WidgetList list; | |
545 | Cardinal nr; | |
546 | XtSetArg (al[0], XtNchildren, &list); | |
547 | XtSetArg (al[1], XtNnumChildren, &nr); | |
548 | XtGetValues (menubar, al, 2); | |
549 | ev.xbutton.window = XtWindow (list[0]); | |
550 | } | |
551 | #endif | |
552 | ||
553 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
554 | /* From-window, to-window. */ | |
555 | ev.xbutton.window, ev.xbutton.root, | |
556 | ||
557 | /* From-position, to-position. */ | |
558 | ev.xbutton.x, ev.xbutton.y, | |
559 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
560 | ||
561 | /* Child of win. */ | |
562 | &child); | |
563 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
564 | x_uncatch_errors (); | |
565 | ||
566 | if (! error_p) | |
567 | { | |
568 | ev.type = ButtonPress; | |
569 | ev.xbutton.state = 0; | |
570 | ||
571 | XtDispatchEvent (&ev); | |
572 | ev.xbutton.type = ButtonRelease; | |
573 | ev.xbutton.state = Button1Mask; | |
574 | XtDispatchEvent (&ev); | |
575 | } | |
576 | } | |
577 | ||
578 | UNBLOCK_INPUT; | |
57d671b4 AS |
579 | |
580 | return Qnil; | |
22badffe | 581 | } |
488dd4c4 JD |
582 | #endif /* USE_X_TOOLKIT */ |
583 | ||
22badffe | 584 | |
488dd4c4 | 585 | #ifdef USE_GTK |
12b6af5c | 586 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
587 | doc: /* Start key navigation of the menu bar in FRAME. |
588 | This initially opens the first menu bar item and you can then navigate with the | |
589 | arrow keys, select a menu entry with the return key or cancel with the | |
590 | escape key. If FRAME has no menu bar this function does nothing. | |
591 | ||
592 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 593 | (Lisp_Object frame) |
22badffe JD |
594 | { |
595 | GtkWidget *menubar; | |
8630721e CY |
596 | FRAME_PTR f; |
597 | ||
718aeeb8 CY |
598 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
599 | BLOCK_INPUT. */ | |
600 | ||
22badffe | 601 | BLOCK_INPUT; |
8630721e | 602 | f = check_x_frame (frame); |
22badffe JD |
603 | |
604 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
605 | set_frame_menubar (f, 0, 1); | |
606 | ||
607 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
608 | if (menubar) | |
609 | { | |
610 | /* Activate the first menu. */ | |
611 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
612 | ||
32d46135 JD |
613 | if (children) |
614 | { | |
615 | g_signal_emit_by_name (children->data, "activate_item"); | |
616 | popup_activated_flag = 1; | |
617 | g_list_free (children); | |
618 | } | |
22badffe JD |
619 | } |
620 | UNBLOCK_INPUT; | |
621 | ||
622 | return Qnil; | |
623 | } | |
624 | ||
488dd4c4 JD |
625 | /* Loop util popup_activated_flag is set to zero in a callback. |
626 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 627 | |
488dd4c4 | 628 | static void |
971de7fb | 629 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
630 | { |
631 | ++popup_activated_flag; | |
632 | ||
633 | /* Process events in the Gtk event loop until done. */ | |
634 | while (popup_activated_flag) | |
635 | { | |
c3438661 | 636 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
637 | gtk_main_iteration (); |
638 | } | |
639 | } | |
640 | #endif | |
641 | ||
88766961 RS |
642 | /* Activate the menu bar of frame F. |
643 | This is called from keyboard.c when it gets the | |
3b8f9651 | 644 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
645 | |
646 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 647 | that was saved in saved_menu_event. |
88766961 RS |
648 | That makes the toolkit do its thing. |
649 | ||
650 | But first we recompute the menu bar contents (the whole tree). | |
651 | ||
652 | The reason for saving the button event until here, instead of | |
653 | passing it to the toolkit right away, is that we can safely | |
654 | execute Lisp code. */ | |
177c0ea7 | 655 | |
dfcf069d | 656 | void |
971de7fb | 657 | x_activate_menubar (FRAME_PTR f) |
88766961 | 658 | { |
62af879c KL |
659 | if (! FRAME_X_P (f)) |
660 | abort (); | |
661 | ||
ac78b144 | 662 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
663 | return; |
664 | ||
177c0ea7 | 665 | #ifdef USE_GTK |
6b61353c KH |
666 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
667 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
668 | return; |
669 | #endif | |
177c0ea7 | 670 | |
a9be6839 | 671 | set_frame_menubar (f, 0, 1); |
88766961 | 672 | BLOCK_INPUT; |
488dd4c4 | 673 | #ifdef USE_GTK |
ad3e6f44 J |
674 | /* If we click outside any menu item, the menu bar still grabs. |
675 | So we send Press and the Release. If outside, grab is released. | |
676 | If on a menu item, it is popped up normally. | |
677 | PutBack is like a stack, so we put back in reverse order. */ | |
678 | f->output_data.x->saved_menu_event->type = ButtonRelease; | |
679 | XPutBackEvent (f->output_data.x->display_info->display, | |
680 | f->output_data.x->saved_menu_event); | |
681 | f->output_data.x->saved_menu_event->type = ButtonPress; | |
488dd4c4 JD |
682 | XPutBackEvent (f->output_data.x->display_info->display, |
683 | f->output_data.x->saved_menu_event); | |
684 | popup_activated_flag = 1; | |
685 | #else | |
86fad4ec | 686 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 687 | #endif |
88766961 | 688 | UNBLOCK_INPUT; |
a9be6839 | 689 | #ifdef USE_MOTIF |
745c34fb RS |
690 | if (f->output_data.x->saved_menu_event->type == ButtonRelease) |
691 | pending_menu_activation = 1; | |
a9be6839 | 692 | #endif |
177c0ea7 | 693 | |
88766961 | 694 | /* Ignore this if we get it a second time. */ |
ac78b144 | 695 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
696 | } |
697 | ||
4dedbfe0 PR |
698 | /* This callback is invoked when the user selects a menubar cascade |
699 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 700 | |
488dd4c4 | 701 | #ifndef USE_GTK |
78589e07 | 702 | static void |
ebd15611 | 703 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 704 | { |
4dedbfe0 | 705 | popup_activated_flag = 1; |
98a20c65 CY |
706 | #ifdef USE_X_TOOLKIT |
707 | x_activate_timeout_atimer (); | |
708 | #endif | |
7555d825 | 709 | } |
488dd4c4 | 710 | #endif |
7555d825 GM |
711 | |
712 | /* This callback is invoked when a dialog or menu is finished being | |
713 | used and has been unposted. */ | |
714 | ||
488dd4c4 JD |
715 | #ifdef USE_GTK |
716 | static void | |
971de7fb | 717 | popup_deactivate_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
718 | { |
719 | popup_activated_flag = 0; | |
720 | } | |
721 | #else | |
7555d825 | 722 | static void |
ebd15611 | 723 | popup_deactivate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
7555d825 | 724 | { |
7555d825 | 725 | popup_activated_flag = 0; |
78589e07 | 726 | } |
488dd4c4 | 727 | #endif |
78589e07 | 728 | |
850df50b | 729 | |
488dd4c4 JD |
730 | /* Function that finds the frame for WIDGET and shows the HELP text |
731 | for that widget. | |
732 | F is the frame if known, or NULL if not known. */ | |
733 | static void | |
971de7fb | 734 | show_help_event (FRAME_PTR f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 735 | { |
488dd4c4 | 736 | Lisp_Object frame; |
850df50b | 737 | |
850df50b | 738 | if (f) |
9cd50434 GM |
739 | { |
740 | XSETFRAME (frame, f); | |
741 | kbd_buffer_store_help_event (frame, help); | |
742 | } | |
850df50b GM |
743 | else |
744 | { | |
6b61353c | 745 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 746 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 747 | widget. See which frame that is. */ |
488dd4c4 | 748 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
749 | Lisp_Object tail; |
750 | ||
8e50cc2d | 751 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
752 | { |
753 | frame = XCAR (tail); | |
8e50cc2d | 754 | if (FRAMEP (frame) |
850df50b GM |
755 | && (f = XFRAME (frame), |
756 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
757 | break; | |
758 | } | |
6b61353c | 759 | #endif |
9cd50434 GM |
760 | show_help_echo (help, Qnil, Qnil, Qnil, 1); |
761 | } | |
850df50b GM |
762 | } |
763 | ||
488dd4c4 JD |
764 | /* Callback called when menu items are highlighted/unhighlighted |
765 | while moving the mouse over them. WIDGET is the menu bar or menu | |
766 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
767 | the data structure for the menu item, or null in case of | |
768 | unhighlighting. */ | |
4dedbfe0 | 769 | |
488dd4c4 JD |
770 | #ifdef USE_GTK |
771 | void | |
971de7fb | 772 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
773 | { |
774 | xg_menu_item_cb_data *cb_data; | |
775 | Lisp_Object help; | |
177c0ea7 | 776 | |
488dd4c4 JD |
777 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
778 | XG_ITEM_DATA); | |
779 | if (! cb_data) return; | |
780 | ||
781 | help = call_data ? cb_data->help : Qnil; | |
782 | ||
783 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
784 | Don't show help for them, they won't appear before the | |
785 | popup is popped down. */ | |
786 | if (popup_activated_flag <= 1) | |
787 | show_help_event (cb_data->cl_data->f, widget, help); | |
788 | } | |
789 | #else | |
790 | void | |
ebd15611 | 791 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 JD |
792 | { |
793 | struct frame *f; | |
794 | Lisp_Object help; | |
795 | ||
796 | widget_value *wv = (widget_value *) call_data; | |
797 | ||
798 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 799 | |
488dd4c4 JD |
800 | /* Determine the frame for the help event. */ |
801 | f = menubar_id_to_frame (id); | |
802 | ||
803 | show_help_event (f, widget, help); | |
804 | } | |
805 | #endif | |
806 | ||
488dd4c4 JD |
807 | #ifdef USE_GTK |
808 | /* Gtk calls callbacks just because we tell it what item should be | |
809 | selected in a radio group. If this variable is set to a non-zero | |
810 | value, we are creating menus and don't want callbacks right now. | |
811 | */ | |
812 | static int xg_crazy_callback_abort; | |
813 | ||
814 | /* This callback is called from the menu bar pulldown menu | |
815 | when the user makes a selection. | |
816 | Figure out what the user chose | |
817 | and put the appropriate events into the keyboard buffer. */ | |
818 | static void | |
971de7fb | 819 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
820 | { |
821 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
822 | ||
823 | if (xg_crazy_callback_abort) | |
824 | return; | |
825 | ||
826 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
827 | return; | |
828 | ||
b79c8219 JD |
829 | /* For a group of radio buttons, GTK calls the selection callback first |
830 | for the item that was active before the selection and then for the one that | |
831 | is active after the selection. For C-h k this means we get the help on | |
832 | the deselected item and then the selected item is executed. Prevent that | |
833 | by ignoring the non-active item. */ | |
834 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
835 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
836 | return; | |
837 | ||
81f09877 JD |
838 | /* When a menu is popped down, X generates a focus event (i.e. focus |
839 | goes back to the frame below the menu). Since GTK buffers events, | |
840 | we force it out here before the menu selection event. Otherwise | |
841 | sit-for will exit at once if the focus event follows the menu selection | |
842 | event. */ | |
843 | ||
844 | BLOCK_INPUT; | |
845 | while (gtk_events_pending ()) | |
846 | gtk_main_iteration (); | |
847 | UNBLOCK_INPUT; | |
848 | ||
488dd4c4 JD |
849 | find_and_call_menu_selection (cb_data->cl_data->f, |
850 | cb_data->cl_data->menu_bar_items_used, | |
851 | cb_data->cl_data->menu_bar_vector, | |
852 | cb_data->call_data); | |
853 | } | |
854 | ||
855 | #else /* not USE_GTK */ | |
856 | ||
857 | /* This callback is called from the menu bar pulldown menu | |
858 | when the user makes a selection. | |
859 | Figure out what the user chose | |
860 | and put the appropriate events into the keyboard buffer. */ | |
861 | static void | |
ebd15611 | 862 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 JD |
863 | { |
864 | FRAME_PTR f; | |
865 | ||
866 | f = menubar_id_to_frame (id); | |
867 | if (!f) | |
868 | return; | |
869 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
870 | f->menu_bar_vector, client_data); | |
871 | } | |
872 | #endif /* not USE_GTK */ | |
f61a541b GM |
873 | \f |
874 | /* Recompute all the widgets of frame F, when the menu bar has been | |
875 | changed. Value is non-zero if widgets were updated. */ | |
876 | ||
877 | static int | |
971de7fb | 878 | update_frame_menubar (FRAME_PTR f) |
18686d47 | 879 | { |
488dd4c4 JD |
880 | #ifdef USE_GTK |
881 | return xg_update_frame_menubar (f); | |
882 | #else | |
62af879c | 883 | struct x_output *x; |
cffa74ea | 884 | int columns, rows; |
177c0ea7 | 885 | |
62af879c KL |
886 | if (! FRAME_X_P (f)) |
887 | abort (); | |
888 | ||
889 | x = f->output_data.x; | |
890 | ||
f61a541b GM |
891 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
892 | return 0; | |
18686d47 RS |
893 | |
894 | BLOCK_INPUT; | |
f61a541b GM |
895 | /* Save the size of the frame because the pane widget doesn't accept |
896 | to resize itself. So force it. */ | |
9882535b KS |
897 | columns = FRAME_COLS (f); |
898 | rows = FRAME_LINES (f); | |
cffa74ea | 899 | |
f61a541b GM |
900 | /* Do the voodoo which means "I'm changing lots of things, don't try |
901 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 902 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 903 | |
f61a541b GM |
904 | /* The order in which children are managed is the top to bottom |
905 | order in which they are displayed in the paned window. First, | |
906 | remove the text-area widget. */ | |
18686d47 RS |
907 | XtUnmanageChild (x->edit_widget); |
908 | ||
f61a541b GM |
909 | /* Remove the menubar that is there now, and put up the menubar that |
910 | should be there. */ | |
911 | XtManageChild (x->menubar_widget); | |
912 | XtMapWidget (x->menubar_widget); | |
913 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 914 | |
c98fcf4b | 915 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 916 | XtManageChild (x->edit_widget); |
4dedbfe0 | 917 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
918 | |
919 | /* Force the pane widget to resize itself with the right values. */ | |
920 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
18686d47 | 921 | UNBLOCK_INPUT; |
488dd4c4 | 922 | #endif |
f61a541b | 923 | return 1; |
18686d47 RS |
924 | } |
925 | ||
99852628 | 926 | #ifdef USE_LUCID |
1ecb2d3f | 927 | static void |
ebd15611 | 928 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
929 | { |
930 | const char *fn = xsettings_get_system_normal_font (); | |
931 | if (fn) | |
932 | { | |
933 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
934 | if (db) | |
935 | XrmPutStringResource (&db, "*dialog.faceName", fn); | |
936 | } | |
937 | } | |
938 | ||
99852628 | 939 | static void |
ebd15611 | 940 | apply_systemfont_to_menu (Widget w) |
99852628 JD |
941 | { |
942 | const char *fn = xsettings_get_system_normal_font (); | |
943 | int defflt; | |
944 | ||
945 | if (!fn) return; | |
946 | ||
947 | if (XtIsShell (w)) /* popup menu */ | |
948 | { | |
1ecb2d3f | 949 | Widget *childs = NULL; |
99852628 | 950 | |
1ecb2d3f | 951 | XtVaGetValues (w, XtNchildren, &childs, NULL); |
5ba5ec85 | 952 | if (*childs) w = *childs; |
99852628 JD |
953 | } |
954 | ||
955 | /* Only use system font if the default is used for the menu. */ | |
956 | XtVaGetValues (w, XtNdefaultFace, &defflt, NULL); | |
957 | if (defflt) | |
958 | XtVaSetValues (w, XtNfaceName, fn, NULL); | |
959 | } | |
960 | #endif | |
961 | ||
4bcdbab1 KH |
962 | /* Set the contents of the menubar widgets of frame F. |
963 | The argument FIRST_TIME is currently ignored; | |
964 | it is set the first time this is called, from initialize_frame_menubar. */ | |
965 | ||
18686d47 | 966 | void |
971de7fb | 967 | set_frame_menubar (FRAME_PTR f, int first_time, int deep_p) |
18686d47 | 968 | { |
62af879c | 969 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
970 | #ifdef USE_X_TOOLKIT |
971 | LWLIB_ID id; | |
972 | #endif | |
faa935b6 | 973 | Lisp_Object items; |
4d19cb8e | 974 | widget_value *wv, *first_wv, *prev_wv = 0; |
1806714a | 975 | int i, last_i = 0; |
ced89c24 | 976 | int *submenu_start, *submenu_end; |
37dc84ff | 977 | int *submenu_top_level_items, *submenu_n_panes; |
cc45fb40 | 978 | |
62af879c KL |
979 | if (! FRAME_X_P (f)) |
980 | abort (); | |
981 | ||
982 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 983 | |
bfc524bc RS |
984 | XSETFRAME (Vmenu_updating_frame, f); |
985 | ||
488dd4c4 | 986 | #ifdef USE_X_TOOLKIT |
7556890b RS |
987 | if (f->output_data.x->id == 0) |
988 | f->output_data.x->id = next_menubar_widget_id++; | |
989 | id = f->output_data.x->id; | |
488dd4c4 | 990 | #endif |
177c0ea7 | 991 | |
88766961 RS |
992 | if (! menubar_widget) |
993 | deep_p = 1; | |
745c34fb | 994 | else if (pending_menu_activation && !deep_p) |
a9be6839 RS |
995 | deep_p = 1; |
996 | /* Make the first call for any given frame always go deep. */ | |
997 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
998 | { |
999 | deep_p = 1; | |
a9be6839 RS |
1000 | f->output_data.x->saved_menu_event = (XEvent*)xmalloc (sizeof (XEvent)); |
1001 | f->output_data.x->saved_menu_event->type = 0; | |
745c34fb | 1002 | } |
18686d47 | 1003 | |
6b61353c KH |
1004 | #ifdef USE_GTK |
1005 | /* If we have detached menus, we must update deep so detached menus | |
1006 | also gets updated. */ | |
1007 | deep_p = deep_p || xg_have_tear_offs (); | |
1008 | #endif | |
1009 | ||
88766961 | 1010 | if (deep_p) |
18686d47 | 1011 | { |
88766961 RS |
1012 | /* Make a widget-value tree representing the entire menu trees. */ |
1013 | ||
1014 | struct buffer *prev = current_buffer; | |
1015 | Lisp_Object buffer; | |
aed13378 | 1016 | int specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
1017 | int previous_menu_items_used = f->menu_bar_items_used; |
1018 | Lisp_Object *previous_items | |
1019 | = (Lisp_Object *) alloca (previous_menu_items_used | |
1020 | * sizeof (Lisp_Object)); | |
1021 | ||
0b1cf399 RS |
1022 | /* If we are making a new widget, its contents are empty, |
1023 | do always reinitialize them. */ | |
1024 | if (! menubar_widget) | |
1025 | previous_menu_items_used = 0; | |
1026 | ||
88766961 RS |
1027 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
1028 | specbind (Qinhibit_quit, Qt); | |
1029 | /* Don't let the debugger step into this code | |
1030 | because it is not reentrant. */ | |
1031 | specbind (Qdebug_on_next_call, Qnil); | |
1032 | ||
89f2614d | 1033 | record_unwind_save_match_data (); |
88766961 RS |
1034 | if (NILP (Voverriding_local_map_menu_flag)) |
1035 | { | |
1036 | specbind (Qoverriding_terminal_local_map, Qnil); | |
1037 | specbind (Qoverriding_local_map, Qnil); | |
1038 | } | |
18686d47 | 1039 | |
88766961 | 1040 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 1041 | |
88766961 | 1042 | /* Run the Lucid hook. */ |
950eaee7 | 1043 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 1044 | |
88766961 RS |
1045 | /* If it has changed current-menubar from previous value, |
1046 | really recompute the menubar from the value. */ | |
1047 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
1048 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 1049 | safe_run_hooks (Qmenu_bar_update_hook); |
88766961 | 1050 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
18686d47 | 1051 | |
88766961 | 1052 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1053 | |
88766961 | 1054 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 1055 | if (previous_menu_items_used) |
72af86bd AS |
1056 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
1057 | previous_menu_items_used * sizeof (Lisp_Object)); | |
8d8a3494 | 1058 | |
ced89c24 RS |
1059 | /* Fill in menu_items with the current menu bar contents. |
1060 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1061 | save_menu_items (); |
1062 | ||
88766961 | 1063 | menu_items = f->menu_bar_vector; |
86c04183 | 1064 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
ced89c24 RS |
1065 | submenu_start = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); |
1066 | submenu_end = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
37dc84ff | 1067 | submenu_n_panes = (int *) alloca (XVECTOR (items)->size * sizeof (int)); |
ced89c24 RS |
1068 | submenu_top_level_items |
1069 | = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
88766961 | 1070 | init_menu_items (); |
f04366cb | 1071 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1072 | { |
1073 | Lisp_Object key, string, maps; | |
1074 | ||
ced89c24 RS |
1075 | last_i = i; |
1076 | ||
88766961 RS |
1077 | key = XVECTOR (items)->contents[i]; |
1078 | string = XVECTOR (items)->contents[i + 1]; | |
1079 | maps = XVECTOR (items)->contents[i + 2]; | |
1080 | if (NILP (string)) | |
1081 | break; | |
1082 | ||
ced89c24 RS |
1083 | submenu_start[i] = menu_items_used; |
1084 | ||
1085 | menu_items_n_panes = 0; | |
1086 | submenu_top_level_items[i] | |
1087 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1088 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1089 | |
1090 | submenu_end[i] = menu_items_used; | |
1091 | } | |
1092 | ||
1093 | finish_menu_items (); | |
1094 | ||
1095 | /* Convert menu_items into widget_value trees | |
1096 | to display the menu. This cannot evaluate Lisp code. */ | |
1097 | ||
1098 | wv = xmalloc_widget_value (); | |
1099 | wv->name = "menubar"; | |
1100 | wv->value = 0; | |
1101 | wv->enabled = 1; | |
1102 | wv->button_type = BUTTON_TYPE_NONE; | |
1103 | wv->help = Qnil; | |
1104 | first_wv = wv; | |
1105 | ||
1106 | for (i = 0; i < last_i; i += 4) | |
1107 | { | |
37dc84ff | 1108 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1109 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1110 | submenu_top_level_items[i]); | |
177c0ea7 | 1111 | if (prev_wv) |
88766961 RS |
1112 | prev_wv->next = wv; |
1113 | else | |
1114 | first_wv->contents = wv; | |
1115 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1116 | wv->enabled = 1; | |
3427a3db | 1117 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1118 | prev_wv = wv; |
1119 | } | |
1120 | ||
88766961 | 1121 | set_buffer_internal_1 (prev); |
8d8a3494 | 1122 | |
88766961 RS |
1123 | /* If there has been no change in the Lisp-level contents |
1124 | of the menu bar, skip redisplaying it. Just exit. */ | |
1125 | ||
510d5bf6 | 1126 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1127 | for (i = 0; i < previous_menu_items_used; i++) |
1128 | if (menu_items_used == i | |
99d3fac7 | 1129 | || (!EQ (previous_items[i], XVECTOR (menu_items)->contents[i]))) |
88766961 | 1130 | break; |
62555c22 | 1131 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1132 | { |
510d5bf6 RS |
1133 | /* The menu items have not changed. Don't bother updating |
1134 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1135 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1136 | discard_menu_items (); |
1fc4d463 | 1137 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1138 | return; |
1139 | } | |
1140 | ||
510d5bf6 | 1141 | /* The menu items are different, so store them in the frame. */ |
1fc4d463 RS |
1142 | f->menu_bar_vector = menu_items; |
1143 | f->menu_bar_items_used = menu_items_used; | |
1144 | ||
bf732638 | 1145 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1146 | unbind_to (specpdl_count, Qnil); |
1147 | ||
88766961 RS |
1148 | /* Now GC cannot happen during the lifetime of the widget_value, |
1149 | so it's safe to store data from a Lisp_String. */ | |
1150 | wv = first_wv->contents; | |
f04366cb | 1151 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1152 | { |
1153 | Lisp_Object string; | |
1154 | string = XVECTOR (items)->contents[i + 1]; | |
1155 | if (NILP (string)) | |
2bf436c3 | 1156 | break; |
ec867797 | 1157 | wv->name = (char *) SDATA (string); |
2bf436c3 JD |
1158 | update_submenu_strings (wv->contents); |
1159 | wv = wv->next; | |
88766961 RS |
1160 | } |
1161 | ||
4d19cb8e | 1162 | } |
88766961 RS |
1163 | else |
1164 | { | |
1165 | /* Make a widget-value tree containing | |
1166 | just the top level menu bar strings. */ | |
4d19cb8e | 1167 | |
ced89c24 RS |
1168 | wv = xmalloc_widget_value (); |
1169 | wv->name = "menubar"; | |
1170 | wv->value = 0; | |
1171 | wv->enabled = 1; | |
1172 | wv->button_type = BUTTON_TYPE_NONE; | |
1173 | wv->help = Qnil; | |
1174 | first_wv = wv; | |
1175 | ||
88766961 | 1176 | items = FRAME_MENU_BAR_ITEMS (f); |
f04366cb | 1177 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1178 | { |
1179 | Lisp_Object string; | |
1180 | ||
1181 | string = XVECTOR (items)->contents[i + 1]; | |
1182 | if (NILP (string)) | |
1183 | break; | |
1184 | ||
f7fab165 | 1185 | wv = xmalloc_widget_value (); |
d5db4077 | 1186 | wv->name = (char *) SDATA (string); |
88766961 RS |
1187 | wv->value = 0; |
1188 | wv->enabled = 1; | |
3427a3db | 1189 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1190 | wv->help = Qnil; |
fe8fa62f RS |
1191 | /* This prevents lwlib from assuming this |
1192 | menu item is really supposed to be empty. */ | |
1193 | /* The EMACS_INT cast avoids a warning. | |
1194 | This value just has to be different from small integers. */ | |
1195 | wv->call_data = (void *) (EMACS_INT) (-1); | |
88766961 | 1196 | |
177c0ea7 | 1197 | if (prev_wv) |
88766961 RS |
1198 | prev_wv->next = wv; |
1199 | else | |
1200 | first_wv->contents = wv; | |
1201 | prev_wv = wv; | |
1202 | } | |
62555c22 RS |
1203 | |
1204 | /* Forget what we thought we knew about what is in the | |
1205 | detailed contents of the menu bar menus. | |
1206 | Changing the top level always destroys the contents. */ | |
1207 | f->menu_bar_items_used = 0; | |
88766961 | 1208 | } |
4dedbfe0 | 1209 | |
88766961 | 1210 | /* Create or update the menu bar widget. */ |
aa669def RS |
1211 | |
1212 | BLOCK_INPUT; | |
1213 | ||
488dd4c4 JD |
1214 | #ifdef USE_GTK |
1215 | xg_crazy_callback_abort = 1; | |
1216 | if (menubar_widget) | |
1217 | { | |
6b61353c | 1218 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1219 | menu trees we supply, rather than just the menu bar item names. */ |
1220 | xg_modify_menubar_widgets (menubar_widget, | |
1221 | f, | |
1222 | first_wv, | |
1223 | deep_p, | |
1224 | G_CALLBACK (menubar_selection_callback), | |
1225 | G_CALLBACK (popup_deactivate_callback), | |
1226 | G_CALLBACK (menu_highlight_callback)); | |
1227 | } | |
1228 | else | |
1229 | { | |
1230 | GtkWidget *wvbox = f->output_data.x->vbox_widget; | |
177c0ea7 | 1231 | |
488dd4c4 | 1232 | menubar_widget |
177c0ea7 | 1233 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1234 | G_CALLBACK (menubar_selection_callback), |
1235 | G_CALLBACK (popup_deactivate_callback), | |
1236 | G_CALLBACK (menu_highlight_callback)); | |
1237 | ||
1238 | f->output_data.x->menubar_widget = menubar_widget; | |
1239 | } | |
1240 | ||
177c0ea7 | 1241 | |
488dd4c4 | 1242 | #else /* not USE_GTK */ |
18686d47 | 1243 | if (menubar_widget) |
4dedbfe0 PR |
1244 | { |
1245 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1246 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1247 | |
1248 | /* The third arg is DEEP_P, which says to consider the entire | |
1249 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1250 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1251 | |
c98fcf4b | 1252 | /* Re-enable the edit widget to resize. */ |
7556890b | 1253 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1254 | } |
18686d47 RS |
1255 | else |
1256 | { | |
9f6fcdc5 JD |
1257 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1258 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1259 | ||
177c0ea7 | 1260 | menubar_widget = lw_create_widget ("menubar", "menubar", id, first_wv, |
7556890b | 1261 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1262 | 0, |
1263 | popup_activate_callback, | |
1264 | menubar_selection_callback, | |
850df50b GM |
1265 | popup_deactivate_callback, |
1266 | menu_highlight_callback); | |
7556890b | 1267 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1268 | |
1269 | /* Make menu pop down on C-g. */ | |
1270 | XtOverrideTranslations (menubar_widget, override); | |
52214050 | 1271 | #ifdef USE_LUCID |
99852628 | 1272 | apply_systemfont_to_menu (menubar_widget); |
52214050 | 1273 | #endif |
18686d47 | 1274 | } |
1d1c1567 KH |
1275 | |
1276 | { | |
723f5a07 J |
1277 | if (f->output_data.x->menubar_widget) |
1278 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1279 | ||
177c0ea7 | 1280 | int menubar_size |
7556890b RS |
1281 | = (f->output_data.x->menubar_widget |
1282 | ? (f->output_data.x->menubar_widget->core.height | |
1283 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1284 | : 0); |
1285 | ||
5c646d5a JD |
1286 | #if 1 /* Experimentally, we now get the right results |
1287 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1288 | Maybe so, but the menu bar size is missing the pixels so the | |
1289 | WM size hints are off by theses pixel. Jan D, oct 2009. */ | |
5ee80bd3 | 1290 | #ifdef USE_LUCID |
1d1c1567 KH |
1291 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1292 | { | |
1293 | Dimension ibw = 0; | |
7556890b | 1294 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1295 | XtNinternalBorderWidth, &ibw, NULL); |
1296 | menubar_size += ibw; | |
1297 | } | |
5ee80bd3 | 1298 | #endif /* USE_LUCID */ |
5c646d5a | 1299 | #endif /* 1 */ |
1d1c1567 | 1300 | |
7556890b | 1301 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1302 | } |
488dd4c4 | 1303 | #endif /* not USE_GTK */ |
177c0ea7 | 1304 | |
18686d47 | 1305 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1306 | update_frame_menubar (f); |
18686d47 | 1307 | |
488dd4c4 JD |
1308 | #ifdef USE_GTK |
1309 | xg_crazy_callback_abort = 0; | |
1310 | #endif | |
1311 | ||
18686d47 RS |
1312 | UNBLOCK_INPUT; |
1313 | } | |
85f487d1 | 1314 | |
8e6208c5 | 1315 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1316 | before it is mapped, so that the window is mapped with the menubar already |
1317 | there instead of us tacking it on later and thrashing the window after it | |
1318 | is visible. */ | |
1319 | ||
1320 | void | |
971de7fb | 1321 | initialize_frame_menubar (FRAME_PTR f) |
4dedbfe0 PR |
1322 | { |
1323 | /* This function is called before the first chance to redisplay | |
1324 | the frame. It has to be, so the frame will have the right size. */ | |
1325 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); | |
88766961 | 1326 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1327 | } |
1328 | ||
aba25348 | 1329 | |
4dedbfe0 | 1330 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1331 | This is used when deleting a frame, and when turning off the menu bar. |
1332 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1333 | |
488dd4c4 | 1334 | #ifndef USE_GTK |
85f487d1 | 1335 | void |
ebd15611 | 1336 | free_frame_menubar (FRAME_PTR f) |
85f487d1 FP |
1337 | { |
1338 | Widget menubar_widget; | |
85f487d1 | 1339 | |
62af879c KL |
1340 | if (! FRAME_X_P (f)) |
1341 | abort (); | |
1342 | ||
7556890b | 1343 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1344 | |
1345 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1346 | |
85f487d1 FP |
1347 | if (menubar_widget) |
1348 | { | |
aba25348 GM |
1349 | #ifdef USE_MOTIF |
1350 | /* Removing the menu bar magically changes the shell widget's x | |
1351 | and y position of (0, 0) which, when the menu bar is turned | |
1352 | on again, leads to pull-down menuss appearing in strange | |
1353 | positions near the upper-left corner of the display. This | |
1354 | happens only with some window managers like twm and ctwm, | |
1355 | but not with other like Motif's mwm or kwm, because the | |
1356 | latter generate ConfigureNotify events when the menu bar | |
1357 | is switched off, which fixes the shell position. */ | |
1358 | Position x0, y0, x1, y1; | |
1359 | #endif | |
177c0ea7 | 1360 | |
85f487d1 | 1361 | BLOCK_INPUT; |
aba25348 GM |
1362 | |
1363 | #ifdef USE_MOTIF | |
ae556422 GM |
1364 | if (f->output_data.x->widget) |
1365 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1366 | #endif |
177c0ea7 | 1367 | |
7556890b | 1368 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1369 | f->output_data.x->menubar_widget = NULL; |
aba25348 GM |
1370 | |
1371 | #ifdef USE_MOTIF | |
ae556422 GM |
1372 | if (f->output_data.x->widget) |
1373 | { | |
1374 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); | |
1375 | if (x1 == 0 && y1 == 0) | |
1376 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
1377 | } | |
aba25348 | 1378 | #endif |
723f5a07 | 1379 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
85f487d1 FP |
1380 | UNBLOCK_INPUT; |
1381 | } | |
1382 | } | |
488dd4c4 | 1383 | #endif /* not USE_GTK */ |
78589e07 | 1384 | |
488dd4c4 | 1385 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1386 | \f |
1387 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1388 | and returns the value selected from it. | |
1389 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1390 | Both assume input is blocked by the caller. */ | |
1391 | ||
1392 | /* F is the frame the menu is for. | |
1393 | X and Y are the frame-relative specified position, | |
1394 | relative to the inside upper left corner of the frame F. | |
c8b5aa3d | 1395 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
78589e07 RS |
1396 | KEYMAPS is 1 if this menu was specified with keymaps; |
1397 | in that case, we return a list containing the chosen item's value | |
1398 | and perhaps also the pane's prefix. | |
1399 | TITLE is the specified menu title. | |
1400 | ERROR is a place to store an error message string in case of failure. | |
1401 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1402 | |
488dd4c4 JD |
1403 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1404 | ||
1405 | /* The item selected in the popup menu. */ | |
1406 | static Lisp_Object *volatile menu_item_selection; | |
1407 | ||
1408 | #ifdef USE_GTK | |
1409 | ||
1410 | /* Used when position a popup menu. See menu_position_func and | |
1411 | create_and_show_popup_menu below. */ | |
1412 | struct next_popup_x_y | |
1413 | { | |
7b76ca1c | 1414 | FRAME_PTR f; |
488dd4c4 JD |
1415 | int x; |
1416 | int y; | |
1417 | }; | |
1418 | ||
1419 | /* The menu position function to use if we are not putting a popup | |
1420 | menu where the pointer is. | |
1421 | MENU is the menu to pop up. | |
1422 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1423 | PUSH_IN is not documented in the GTK manual. | |
1424 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1425 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1426 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1427 | |
1428 | Here only X and Y are used. */ | |
1429 | static void | |
971de7fb | 1430 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1431 | { |
7b76ca1c JD |
1432 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1433 | GtkRequisition req; | |
fd2f80c6 CY |
1434 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1435 | int disp_width = x_display_pixel_width (dpyinfo); | |
1436 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1437 | |
7b76ca1c JD |
1438 | *x = data->x; |
1439 | *y = data->y; | |
1440 | ||
1441 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1442 | the menu is fully visible. */ | |
1443 | gtk_widget_size_request (GTK_WIDGET (menu), &req); | |
1444 | if (data->x + req.width > disp_width) | |
1445 | *x -= data->x + req.width - disp_width; | |
1446 | if (data->y + req.height > disp_height) | |
1447 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1448 | } |
1449 | ||
1450 | static void | |
971de7fb | 1451 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1452 | { |
1453 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1454 | ||
1455 | if (xg_crazy_callback_abort) return; | |
1456 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1457 | } | |
1458 | ||
af89e871 | 1459 | static Lisp_Object |
971de7fb | 1460 | pop_down_menu (Lisp_Object arg) |
af89e871 | 1461 | { |
a130b901 JD |
1462 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1463 | ||
af89e871 | 1464 | popup_activated_flag = 0; |
a130b901 JD |
1465 | BLOCK_INPUT; |
1466 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); | |
1467 | UNBLOCK_INPUT; | |
af89e871 JD |
1468 | return Qnil; |
1469 | } | |
1470 | ||
488dd4c4 JD |
1471 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1472 | menu pops down. | |
1473 | menu_item_selection will be set to the selection. */ | |
1474 | static void | |
971de7fb | 1475 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, int for_click, EMACS_UINT timestamp) |
488dd4c4 JD |
1476 | { |
1477 | int i; | |
1478 | GtkWidget *menu; | |
1479 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1480 | struct next_popup_x_y popup_x_y; | |
af89e871 | 1481 | int specpdl_count = SPECPDL_INDEX (); |
488dd4c4 | 1482 | |
62af879c KL |
1483 | if (! FRAME_X_P (f)) |
1484 | abort (); | |
1485 | ||
488dd4c4 JD |
1486 | xg_crazy_callback_abort = 1; |
1487 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1488 | G_CALLBACK (popup_selection_callback), | |
1489 | G_CALLBACK (popup_deactivate_callback), | |
1490 | G_CALLBACK (menu_highlight_callback)); | |
1491 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1492 | |
488dd4c4 JD |
1493 | if (! for_click) |
1494 | { | |
1495 | /* Not invoked by a click. pop up at x/y. */ | |
1496 | pos_func = menu_position_func; | |
1497 | ||
1498 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1499 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1500 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1501 | |
1502 | popup_x_y.x = x; | |
1503 | popup_x_y.y = y; | |
7b76ca1c | 1504 | popup_x_y.f = f; |
488dd4c4 | 1505 | |
9b85e63d JD |
1506 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1507 | } | |
1508 | else | |
1509 | { | |
1510 | for (i = 0; i < 5; i++) | |
1511 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1512 | break; | |
1513 | } | |
59cfb104 | 1514 | |
488dd4c4 JD |
1515 | /* Display the menu. */ |
1516 | gtk_widget_show_all (menu); | |
c0df13a6 | 1517 | |
a20903d0 | 1518 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
eb99095d | 1519 | timestamp > 0 ? timestamp : gtk_get_current_event_time()); |
177c0ea7 | 1520 | |
a130b901 | 1521 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1522 | |
e547b051 | 1523 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1524 | { |
1525 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1526 | two. show_help_echo uses this to detect popup menus. */ | |
1527 | popup_activated_flag = 1; | |
1528 | /* Process events that apply to the menu. */ | |
1529 | popup_widget_loop (1, menu); | |
1530 | } | |
488dd4c4 | 1531 | |
af89e871 | 1532 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1533 | |
488dd4c4 JD |
1534 | /* Must reset this manually because the button release event is not passed |
1535 | to Emacs event loop. */ | |
1536 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1537 | } | |
1538 | ||
1539 | #else /* not USE_GTK */ | |
18686d47 | 1540 | |
8ed87156 | 1541 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1542 | library. |
1543 | ||
1544 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1545 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1546 | |
88766961 RS |
1547 | For menu bars, we use numbers starting at 0, counted in |
1548 | next_menubar_widget_id. */ | |
8ed87156 | 1549 | LWLIB_ID widget_id_tick; |
165e1749 | 1550 | |
4dedbfe0 | 1551 | static void |
ebd15611 | 1552 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 PR |
1553 | { |
1554 | menu_item_selection = (Lisp_Object *) client_data; | |
1555 | } | |
1556 | ||
af89e871 JD |
1557 | /* ARG is the LWLIB ID of the dialog box, represented |
1558 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1559 | ||
1560 | static Lisp_Object | |
ebd15611 | 1561 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1562 | { |
1563 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1564 | | XINT (XCDR (arg))); | |
1565 | ||
1566 | BLOCK_INPUT; | |
1567 | lw_destroy_all_widgets (id); | |
1568 | UNBLOCK_INPUT; | |
1569 | popup_activated_flag = 0; | |
1570 | ||
1571 | return Qnil; | |
1572 | } | |
1573 | ||
488dd4c4 JD |
1574 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1575 | menu pops down. | |
1576 | menu_item_selection will be set to the selection. */ | |
1577 | static void | |
ebd15611 | 1578 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, int for_click, unsigned int timestamp) |
488dd4c4 JD |
1579 | { |
1580 | int i; | |
1581 | Arg av[2]; | |
1582 | int ac = 0; | |
1583 | XButtonPressedEvent dummy; | |
1584 | LWLIB_ID menu_id; | |
1585 | Widget menu; | |
488dd4c4 | 1586 | |
62af879c KL |
1587 | if (! FRAME_X_P (f)) |
1588 | abort (); | |
1589 | ||
488dd4c4 JD |
1590 | menu_id = widget_id_tick++; |
1591 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1592 | f->output_data.x->widget, 1, 0, | |
1593 | popup_selection_callback, | |
1594 | popup_deactivate_callback, | |
1595 | menu_highlight_callback); | |
1596 | ||
52214050 | 1597 | #ifdef USE_LUCID |
99852628 | 1598 | apply_systemfont_to_menu (menu); |
52214050 | 1599 | #endif |
99852628 | 1600 | |
488dd4c4 JD |
1601 | dummy.type = ButtonPress; |
1602 | dummy.serial = 0; | |
1603 | dummy.send_event = 0; | |
1604 | dummy.display = FRAME_X_DISPLAY (f); | |
1605 | dummy.time = CurrentTime; | |
1606 | dummy.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1607 | dummy.window = dummy.root; | |
1608 | dummy.subwindow = dummy.root; | |
1609 | dummy.x = x; | |
1610 | dummy.y = y; | |
1611 | ||
1612 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1613 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1614 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1615 | |
1616 | dummy.x_root = x; | |
1617 | dummy.y_root = y; | |
1618 | ||
1619 | dummy.state = 0; | |
1620 | dummy.button = 0; | |
1621 | for (i = 0; i < 5; i++) | |
1622 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1623 | dummy.button = i; | |
1624 | ||
1625 | /* Don't allow any geometry request from the user. */ | |
1626 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1627 | XtSetValues (menu, av, ac); | |
1628 | ||
1629 | /* Display the menu. */ | |
1630 | lw_popup_menu (menu, (XEvent *) &dummy); | |
1631 | popup_activated_flag = 1; | |
98a20c65 | 1632 | x_activate_timeout_atimer (); |
59cfb104 | 1633 | |
af89e871 JD |
1634 | { |
1635 | int fact = 4 * sizeof (LWLIB_ID); | |
1636 | int specpdl_count = SPECPDL_INDEX (); | |
1637 | record_unwind_protect (pop_down_menu, | |
1638 | Fcons (make_number (menu_id >> (fact)), | |
1639 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1640 | |
af89e871 | 1641 | /* Process events that apply to the menu. */ |
95bdef2e | 1642 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1643 | |
af89e871 JD |
1644 | unbind_to (specpdl_count, Qnil); |
1645 | } | |
488dd4c4 JD |
1646 | } |
1647 | ||
1648 | #endif /* not USE_GTK */ | |
1649 | ||
ef7417fd SM |
1650 | Lisp_Object |
1651 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, | |
1652 | Lisp_Object title, char **error, EMACS_UINT timestamp) | |
18686d47 | 1653 | { |
78589e07 | 1654 | int i; |
78589e07 | 1655 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 RS |
1656 | widget_value **submenu_stack |
1657 | = (widget_value **) alloca (menu_items_used * sizeof (widget_value *)); | |
1658 | Lisp_Object *subprefix_stack | |
1659 | = (Lisp_Object *) alloca (menu_items_used * sizeof (Lisp_Object)); | |
1660 | int submenu_depth = 0; | |
4e8d3549 | 1661 | |
78c8278d RS |
1662 | int first_pane; |
1663 | ||
62af879c KL |
1664 | if (! FRAME_X_P (f)) |
1665 | abort (); | |
1666 | ||
78589e07 RS |
1667 | *error = NULL; |
1668 | ||
742f715d KH |
1669 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1670 | { | |
1671 | *error = "Empty menu"; | |
1672 | return Qnil; | |
1673 | } | |
63c414df | 1674 | |
78589e07 RS |
1675 | /* Create a tree of widget_value objects |
1676 | representing the panes and their items. */ | |
f7fab165 | 1677 | wv = xmalloc_widget_value (); |
78589e07 RS |
1678 | wv->name = "menu"; |
1679 | wv->value = 0; | |
1680 | wv->enabled = 1; | |
3427a3db | 1681 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1682 | wv->help =Qnil; |
78589e07 | 1683 | first_wv = wv; |
78c8278d | 1684 | first_pane = 1; |
177c0ea7 | 1685 | |
78589e07 RS |
1686 | /* Loop over all panes and items, filling in the tree. */ |
1687 | i = 0; | |
1688 | while (i < menu_items_used) | |
1689 | { | |
101bb4a5 RS |
1690 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1691 | { | |
1692 | submenu_stack[submenu_depth++] = save_wv; | |
1693 | save_wv = prev_wv; | |
1694 | prev_wv = 0; | |
78c8278d | 1695 | first_pane = 1; |
101bb4a5 RS |
1696 | i++; |
1697 | } | |
1698 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1699 | { | |
1700 | prev_wv = save_wv; | |
1701 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1702 | first_pane = 0; |
101bb4a5 RS |
1703 | i++; |
1704 | } | |
1705 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt) | |
1706 | && submenu_depth != 0) | |
1707 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1708 | /* Ignore a nil in the item list. |
1709 | It's meaningful only for dialog boxes. */ | |
1710 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1711 | i += 1; | |
101bb4a5 | 1712 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
78589e07 RS |
1713 | { |
1714 | /* Create a new pane. */ | |
1715 | Lisp_Object pane_name, prefix; | |
1716 | char *pane_string; | |
177c0ea7 | 1717 | |
4c329aa8 GM |
1718 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1719 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1720 | |
703dc2a8 | 1721 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1722 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1723 | { | |
8af9fa55 | 1724 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1725 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1726 | } |
703dc2a8 | 1727 | #endif |
78589e07 | 1728 | pane_string = (NILP (pane_name) |
d5db4077 | 1729 | ? "" : (char *) SDATA (pane_name)); |
101bb4a5 | 1730 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1731 | under the top-level menu. */ |
1732 | if (menu_items_n_panes == 1) | |
1733 | pane_string = ""; | |
1734 | ||
1735 | /* If the pane has a meaningful name, | |
1736 | make the pane a top-level menu item | |
1737 | with its items as a submenu beneath it. */ | |
78c8278d | 1738 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1739 | { |
f7fab165 | 1740 | wv = xmalloc_widget_value (); |
78589e07 RS |
1741 | if (save_wv) |
1742 | save_wv->next = wv; | |
1743 | else | |
1744 | first_wv->contents = wv; | |
1745 | wv->name = pane_string; | |
1746 | if (keymaps && !NILP (prefix)) | |
1747 | wv->name++; | |
1748 | wv->value = 0; | |
1749 | wv->enabled = 1; | |
3427a3db | 1750 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1751 | wv->help = Qnil; |
78c8278d RS |
1752 | save_wv = wv; |
1753 | prev_wv = 0; | |
78589e07 | 1754 | } |
78c8278d RS |
1755 | else if (first_pane) |
1756 | { | |
1757 | save_wv = wv; | |
1758 | prev_wv = 0; | |
1759 | } | |
1760 | first_pane = 0; | |
78589e07 RS |
1761 | i += MENU_ITEMS_PANE_LENGTH; |
1762 | } | |
1763 | else | |
1764 | { | |
1765 | /* Create a new item within current pane. */ | |
9cd50434 | 1766 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1767 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1768 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1769 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1770 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1771 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1772 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1773 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1774 | |
703dc2a8 | 1775 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1776 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1777 | { |
646f98ec | 1778 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1779 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1780 | } |
177c0ea7 | 1781 | |
3427a3db | 1782 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1783 | { |
646f98ec | 1784 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1785 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1786 | } |
1787 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1788 | |
f7fab165 | 1789 | wv = xmalloc_widget_value (); |
177c0ea7 | 1790 | if (prev_wv) |
78589e07 | 1791 | prev_wv->next = wv; |
177c0ea7 | 1792 | else |
78589e07 | 1793 | save_wv->contents = wv; |
d5db4077 | 1794 | wv->name = (char *) SDATA (item_name); |
78589e07 | 1795 | if (!NILP (descrip)) |
d5db4077 | 1796 | wv->key = (char *) SDATA (descrip); |
78589e07 | 1797 | wv->value = 0; |
a352a815 RS |
1798 | /* If this item has a null value, |
1799 | make the call_data null so that it won't display a box | |
1800 | when the mouse is on it. */ | |
1801 | wv->call_data | |
1802 | = (!NILP (def) ? (void *) &XVECTOR (menu_items)->contents[i] : 0); | |
78589e07 | 1803 | wv->enabled = !NILP (enable); |
3427a3db GM |
1804 | |
1805 | if (NILP (type)) | |
1806 | wv->button_type = BUTTON_TYPE_NONE; | |
1807 | else if (EQ (type, QCtoggle)) | |
1808 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1809 | else if (EQ (type, QCradio)) | |
1810 | wv->button_type = BUTTON_TYPE_RADIO; | |
1811 | else | |
1812 | abort (); | |
1813 | ||
1814 | wv->selected = !NILP (selected); | |
cc45fb40 | 1815 | |
0b1f4572 RS |
1816 | if (! STRINGP (help)) |
1817 | help = Qnil; | |
1818 | ||
1819 | wv->help = help; | |
cc45fb40 | 1820 | |
78589e07 RS |
1821 | prev_wv = wv; |
1822 | ||
1823 | i += MENU_ITEMS_ITEM_LENGTH; | |
1824 | } | |
1825 | } | |
1826 | ||
c98fcf4b | 1827 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1828 | if (!NILP (title)) |
1829 | { | |
f7fab165 RS |
1830 | widget_value *wv_title = xmalloc_widget_value (); |
1831 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1832 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1833 | |
1834 | wv_sep2->name = "--"; | |
1835 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1836 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1837 | |
1838 | wv_sep1->name = "--"; | |
1839 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1840 | wv_sep1->help = Qnil; |
4dedbfe0 | 1841 | |
703dc2a8 KH |
1842 | #ifndef HAVE_MULTILINGUAL_MENU |
1843 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1844 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1845 | #endif |
177c0ea7 | 1846 | |
d5db4077 | 1847 | wv_title->name = (char *) SDATA (title); |
cc45fb40 | 1848 | wv_title->enabled = TRUE; |
3427a3db | 1849 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1850 | wv_title->help = Qnil; |
a9d8395f | 1851 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1852 | first_wv->contents = wv_title; |
1853 | } | |
1854 | ||
78589e07 RS |
1855 | /* No selection has been chosen yet. */ |
1856 | menu_item_selection = 0; | |
1857 | ||
488dd4c4 | 1858 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1859 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1860 | |
488dd4c4 JD |
1861 | /* Free the widget_value objects we used to specify the contents. */ |
1862 | free_menubar_widget_value_tree (first_wv); | |
18686d47 | 1863 | |
78589e07 RS |
1864 | /* Find the selected item, and its pane, to return |
1865 | the proper value. */ | |
1866 | if (menu_item_selection != 0) | |
1867 | { | |
c63f6952 | 1868 | Lisp_Object prefix, entry; |
78589e07 | 1869 | |
6bbd7a29 | 1870 | prefix = entry = Qnil; |
78589e07 RS |
1871 | i = 0; |
1872 | while (i < menu_items_used) | |
1873 | { | |
101bb4a5 RS |
1874 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1875 | { | |
1876 | subprefix_stack[submenu_depth++] = prefix; | |
1877 | prefix = entry; | |
1878 | i++; | |
1879 | } | |
1880 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1881 | { | |
1882 | prefix = subprefix_stack[--submenu_depth]; | |
1883 | i++; | |
1884 | } | |
1885 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
78589e07 RS |
1886 | { |
1887 | prefix | |
1888 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
1889 | i += MENU_ITEMS_PANE_LENGTH; | |
1890 | } | |
d31d42cc RS |
1891 | /* Ignore a nil in the item list. |
1892 | It's meaningful only for dialog boxes. */ | |
1893 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1894 | i += 1; | |
78589e07 RS |
1895 | else |
1896 | { | |
1897 | entry | |
1898 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
1899 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
1900 | { | |
1901 | if (keymaps != 0) | |
1902 | { | |
101bb4a5 RS |
1903 | int j; |
1904 | ||
78589e07 RS |
1905 | entry = Fcons (entry, Qnil); |
1906 | if (!NILP (prefix)) | |
1907 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1908 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1909 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1910 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1911 | } |
1912 | return entry; | |
1913 | } | |
1914 | i += MENU_ITEMS_ITEM_LENGTH; | |
1915 | } | |
1916 | } | |
1917 | } | |
be6ed24a RS |
1918 | else if (!for_click) |
1919 | /* Make "Cancel" equivalent to C-g. */ | |
1920 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1921 | |
1922 | return Qnil; | |
18686d47 | 1923 | } |
4dedbfe0 | 1924 | \f |
488dd4c4 JD |
1925 | #ifdef USE_GTK |
1926 | static void | |
971de7fb | 1927 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1928 | { |
1929 | /* The EMACS_INT cast avoids a warning. There's no problem | |
1930 | as long as pointers have enough bits to hold small integers. */ | |
1931 | if ((int) (EMACS_INT) client_data != -1) | |
1932 | menu_item_selection = (Lisp_Object *) client_data; | |
1933 | ||
1934 | popup_activated_flag = 0; | |
1935 | } | |
1936 | ||
1937 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1938 | dialog pops down. | |
1939 | menu_item_selection will be set to the selection. */ | |
1940 | static void | |
971de7fb | 1941 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1942 | { |
1943 | GtkWidget *menu; | |
1944 | ||
62af879c KL |
1945 | if (! FRAME_X_P (f)) |
1946 | abort (); | |
1947 | ||
488dd4c4 JD |
1948 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1949 | G_CALLBACK (dialog_selection_callback), | |
1950 | G_CALLBACK (popup_deactivate_callback), | |
1951 | 0); | |
1952 | ||
1953 | if (menu) | |
1954 | { | |
af89e871 | 1955 | int specpdl_count = SPECPDL_INDEX (); |
a130b901 | 1956 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1957 | |
488dd4c4 JD |
1958 | /* Display the menu. */ |
1959 | gtk_widget_show_all (menu); | |
1960 | ||
1961 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1962 | popup_widget_loop (1, menu); |
177c0ea7 | 1963 | |
af89e871 | 1964 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1965 | } |
1966 | } | |
1967 | ||
1968 | #else /* not USE_GTK */ | |
4dedbfe0 | 1969 | static void |
ebd15611 | 1970 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1971 | { |
01d5e892 RS |
1972 | /* The EMACS_INT cast avoids a warning. There's no problem |
1973 | as long as pointers have enough bits to hold small integers. */ | |
1974 | if ((int) (EMACS_INT) client_data != -1) | |
4dedbfe0 | 1975 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1976 | |
4dedbfe0 PR |
1977 | BLOCK_INPUT; |
1978 | lw_destroy_all_widgets (id); | |
1979 | UNBLOCK_INPUT; | |
9572375b | 1980 | popup_activated_flag = 0; |
4dedbfe0 | 1981 | } |
18686d47 | 1982 | |
488dd4c4 | 1983 | |
488dd4c4 JD |
1984 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1985 | dialog pops down. | |
1986 | menu_item_selection will be set to the selection. */ | |
1987 | static void | |
ebd15611 | 1988 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1989 | { |
1990 | LWLIB_ID dialog_id; | |
1991 | ||
62af879c KL |
1992 | if (!FRAME_X_P (f)) |
1993 | abort(); | |
1994 | ||
488dd4c4 | 1995 | dialog_id = widget_id_tick++; |
52214050 | 1996 | #ifdef USE_LUCID |
1ecb2d3f JD |
1997 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1998 | #endif | |
488dd4c4 JD |
1999 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
2000 | f->output_data.x->widget, 1, 0, | |
2001 | dialog_selection_callback, 0, 0); | |
2002 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
2003 | /* Display the dialog box. */ |
2004 | lw_pop_up_all_widgets (dialog_id); | |
2005 | popup_activated_flag = 1; | |
98a20c65 | 2006 | x_activate_timeout_atimer (); |
488dd4c4 JD |
2007 | |
2008 | /* Process events that apply to the dialog box. | |
2009 | Also handle timers. */ | |
2010 | { | |
2011 | int count = SPECPDL_INDEX (); | |
2012 | int fact = 4 * sizeof (LWLIB_ID); | |
177c0ea7 | 2013 | |
488dd4c4 | 2014 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 2015 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
2016 | Fcons (make_number (dialog_id >> (fact)), |
2017 | make_number (dialog_id & ~(-1 << (fact))))); | |
2018 | ||
df470e3b | 2019 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 2020 | dialog_id, 1); |
488dd4c4 JD |
2021 | |
2022 | unbind_to (count, Qnil); | |
2023 | } | |
2024 | } | |
2025 | ||
2026 | #endif /* not USE_GTK */ | |
2027 | ||
165e1749 FP |
2028 | static char * button_names [] = { |
2029 | "button1", "button2", "button3", "button4", "button5", | |
2030 | "button6", "button7", "button8", "button9", "button10" }; | |
2031 | ||
2032 | static Lisp_Object | |
971de7fb | 2033 | xdialog_show (FRAME_PTR f, int keymaps, Lisp_Object title, Lisp_Object header, char **error_name) |
165e1749 FP |
2034 | { |
2035 | int i, nb_buttons=0; | |
80670155 | 2036 | char dialog_name[6]; |
165e1749 | 2037 | |
faa935b6 | 2038 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 2039 | |
fcaa7665 RS |
2040 | /* Number of elements seen so far, before boundary. */ |
2041 | int left_count = 0; | |
2042 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
2043 | int boundary_seen = 0; | |
2044 | ||
62af879c KL |
2045 | if (! FRAME_X_P (f)) |
2046 | abort (); | |
2047 | ||
6a040d6a | 2048 | *error_name = NULL; |
165e1749 | 2049 | |
80670155 RS |
2050 | if (menu_items_n_panes > 1) |
2051 | { | |
6a040d6a | 2052 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2053 | return Qnil; |
2054 | } | |
2055 | ||
165e1749 FP |
2056 | /* Create a tree of widget_value objects |
2057 | representing the text label and buttons. */ | |
2058 | { | |
2059 | Lisp_Object pane_name, prefix; | |
2060 | char *pane_string; | |
2061 | pane_name = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME]; | |
2062 | prefix = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_PREFIX]; | |
2063 | pane_string = (NILP (pane_name) | |
177c0ea7 | 2064 | ? "" : (char *) SDATA (pane_name)); |
f7fab165 | 2065 | prev_wv = xmalloc_widget_value (); |
165e1749 FP |
2066 | prev_wv->value = pane_string; |
2067 | if (keymaps && !NILP (prefix)) | |
2068 | prev_wv->name++; | |
2069 | prev_wv->enabled = 1; | |
2070 | prev_wv->name = "message"; | |
27ad7b52 | 2071 | prev_wv->help = Qnil; |
165e1749 | 2072 | first_wv = prev_wv; |
177c0ea7 | 2073 | |
165e1749 FP |
2074 | /* Loop over all panes and items, filling in the tree. */ |
2075 | i = MENU_ITEMS_PANE_LENGTH; | |
2076 | while (i < menu_items_used) | |
2077 | { | |
177c0ea7 | 2078 | |
165e1749 FP |
2079 | /* Create a new item within current pane. */ |
2080 | Lisp_Object item_name, enable, descrip; | |
2081 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2082 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2083 | descrip | |
2084 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
177c0ea7 | 2085 | |
80670155 RS |
2086 | if (NILP (item_name)) |
2087 | { | |
2088 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2089 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2090 | return Qnil; |
2091 | } | |
fcaa7665 RS |
2092 | if (EQ (item_name, Qquote)) |
2093 | { | |
2094 | /* This is the boundary between left-side elts | |
2095 | and right-side elts. Stop incrementing right_count. */ | |
2096 | boundary_seen = 1; | |
2097 | i++; | |
2098 | continue; | |
2099 | } | |
86e71abf | 2100 | if (nb_buttons >= 9) |
80670155 RS |
2101 | { |
2102 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2103 | *error_name = "Too many dialog items"; |
80670155 RS |
2104 | return Qnil; |
2105 | } | |
2106 | ||
f7fab165 | 2107 | wv = xmalloc_widget_value (); |
165e1749 | 2108 | prev_wv->next = wv; |
80670155 | 2109 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2110 | if (!NILP (descrip)) |
d5db4077 KR |
2111 | wv->key = (char *) SDATA (descrip); |
2112 | wv->value = (char *) SDATA (item_name); | |
165e1749 FP |
2113 | wv->call_data = (void *) &XVECTOR (menu_items)->contents[i]; |
2114 | wv->enabled = !NILP (enable); | |
27ad7b52 | 2115 | wv->help = Qnil; |
165e1749 FP |
2116 | prev_wv = wv; |
2117 | ||
fcaa7665 RS |
2118 | if (! boundary_seen) |
2119 | left_count++; | |
2120 | ||
165e1749 FP |
2121 | nb_buttons++; |
2122 | i += MENU_ITEMS_ITEM_LENGTH; | |
2123 | } | |
2124 | ||
fcaa7665 RS |
2125 | /* If the boundary was not specified, |
2126 | by default put half on the left and half on the right. */ | |
2127 | if (! boundary_seen) | |
2128 | left_count = nb_buttons - nb_buttons / 2; | |
2129 | ||
f7fab165 | 2130 | wv = xmalloc_widget_value (); |
80670155 | 2131 | wv->name = dialog_name; |
27ad7b52 | 2132 | wv->help = Qnil; |
6a040d6a NR |
2133 | |
2134 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2135 | Can also have 'E' = Error if, one day, we want | |
2136 | a popup for errors. */ | |
2137 | if (NILP(header)) | |
2138 | dialog_name[0] = 'Q'; | |
2139 | else | |
2140 | dialog_name[0] = 'I'; | |
2141 | ||
80670155 RS |
2142 | /* Dialog boxes use a really stupid name encoding |
2143 | which specifies how many buttons to use | |
6a040d6a | 2144 | and how many buttons are on the right. */ |
80670155 RS |
2145 | dialog_name[1] = '0' + nb_buttons; |
2146 | dialog_name[2] = 'B'; | |
2147 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2148 | /* Number of buttons to put on the right. */ |
2149 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2150 | dialog_name[5] = 0; |
165e1749 FP |
2151 | wv->contents = first_wv; |
2152 | first_wv = wv; | |
165e1749 FP |
2153 | } |
2154 | ||
165e1749 FP |
2155 | /* No selection has been chosen yet. */ |
2156 | menu_item_selection = 0; | |
2157 | ||
488dd4c4 JD |
2158 | /* Actually create and show the dialog. */ |
2159 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2160 | |
488dd4c4 JD |
2161 | /* Free the widget_value objects we used to specify the contents. */ |
2162 | free_menubar_widget_value_tree (first_wv); | |
177c0ea7 | 2163 | |
488dd4c4 JD |
2164 | /* Find the selected item, and its pane, to return |
2165 | the proper value. */ | |
165e1749 FP |
2166 | if (menu_item_selection != 0) |
2167 | { | |
2168 | Lisp_Object prefix; | |
2169 | ||
2170 | prefix = Qnil; | |
2171 | i = 0; | |
2172 | while (i < menu_items_used) | |
2173 | { | |
2174 | Lisp_Object entry; | |
2175 | ||
2176 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
2177 | { | |
2178 | prefix | |
2179 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2180 | i += MENU_ITEMS_PANE_LENGTH; | |
2181 | } | |
85996cfb GM |
2182 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) |
2183 | { | |
2184 | /* This is the boundary between left-side elts and | |
2185 | right-side elts. */ | |
2186 | ++i; | |
2187 | } | |
165e1749 FP |
2188 | else |
2189 | { | |
2190 | entry | |
2191 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2192 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
2193 | { | |
2194 | if (keymaps != 0) | |
2195 | { | |
2196 | entry = Fcons (entry, Qnil); | |
2197 | if (!NILP (prefix)) | |
2198 | entry = Fcons (prefix, entry); | |
2199 | } | |
2200 | return entry; | |
2201 | } | |
2202 | i += MENU_ITEMS_ITEM_LENGTH; | |
2203 | } | |
2204 | } | |
2205 | } | |
9f6fcdc5 JD |
2206 | else |
2207 | /* Make "Cancel" equivalent to C-g. */ | |
2208 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2209 | |
2210 | return Qnil; | |
2211 | } | |
ba461919 | 2212 | |
488dd4c4 | 2213 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2214 | |
3e703b25 GM |
2215 | /* The frame of the last activated non-toolkit menu bar. |
2216 | Used to generate menu help events. */ | |
2217 | ||
2218 | static struct frame *menu_help_frame; | |
2219 | ||
2220 | ||
62145073 GM |
2221 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2222 | ||
2223 | PANE is the pane number, and ITEM is the menu item number in | |
2224 | the menu (currently not used). | |
177c0ea7 | 2225 | |
62145073 GM |
2226 | This cannot be done with generating a HELP_EVENT because |
2227 | XMenuActivate contains a loop that doesn't let Emacs process | |
2228 | keyboard events. */ | |
3e703b25 GM |
2229 | |
2230 | static void | |
0521f580 | 2231 | menu_help_callback (char *help_string, int pane, int item) |
3e703b25 | 2232 | { |
62145073 GM |
2233 | extern Lisp_Object Qmenu_item; |
2234 | Lisp_Object *first_item; | |
2235 | Lisp_Object pane_name; | |
2236 | Lisp_Object menu_object; | |
177c0ea7 | 2237 | |
62145073 GM |
2238 | first_item = XVECTOR (menu_items)->contents; |
2239 | if (EQ (first_item[0], Qt)) | |
2240 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2241 | else if (EQ (first_item[0], Qquote)) | |
2242 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2243 | pane_name = empty_unibyte_string; |
62145073 GM |
2244 | else |
2245 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2246 | |
62145073 GM |
2247 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2248 | menu_object = Fcons (Qmenu_item, | |
2249 | Fcons (pane_name, | |
2250 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2251 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
62145073 | 2252 | Qnil, menu_object, make_number (item), 1); |
3e703b25 | 2253 | } |
177c0ea7 | 2254 | |
af89e871 | 2255 | static Lisp_Object |
0521f580 | 2256 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2257 | { |
a130b901 JD |
2258 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2259 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2260 | |
a130b901 JD |
2261 | FRAME_PTR f = p1->pointer; |
2262 | XMenu *menu = p2->pointer; | |
af89e871 JD |
2263 | |
2264 | BLOCK_INPUT; | |
af89e871 | 2265 | #ifndef MSDOS |
a130b901 JD |
2266 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2267 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2268 | #endif |
a130b901 | 2269 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2270 | |
2271 | #ifdef HAVE_X_WINDOWS | |
2272 | /* Assume the mouse has moved out of the X window. | |
2273 | If it has actually moved in, we will get an EnterNotify. */ | |
2274 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2275 | ||
2276 | /* State that no mouse buttons are now held. | |
2277 | (The oldXMenu code doesn't track this info for us.) | |
2278 | That is not necessarily true, but the fiction leads to reasonable | |
2279 | results, and it is a pain to ask which are actually held now. */ | |
2280 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2281 | ||
2282 | #endif /* HAVE_X_WINDOWS */ | |
2283 | ||
2284 | UNBLOCK_INPUT; | |
2285 | ||
2286 | return Qnil; | |
2287 | } | |
2288 | ||
3e703b25 | 2289 | |
1fb99a3a | 2290 | Lisp_Object |
0521f580 | 2291 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, Lisp_Object title, char **error, unsigned int timestamp) |
dcfdbac7 | 2292 | { |
177c0ea7 | 2293 | Window root; |
78589e07 RS |
2294 | XMenu *menu; |
2295 | int pane, selidx, lpane, status; | |
2296 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2297 | char *datap; |
2298 | int ulx, uly, width, height; | |
2299 | int dispwidth, dispheight; | |
453a4f1b | 2300 | int i, j, lines, maxlines; |
4e8d3549 | 2301 | int maxwidth; |
78589e07 RS |
2302 | int dummy_int; |
2303 | unsigned int dummy_uint; | |
af89e871 | 2304 | int specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2305 | |
a9e1244d | 2306 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
62af879c KL |
2307 | abort (); |
2308 | ||
07a675b7 | 2309 | *error = 0; |
78589e07 RS |
2310 | if (menu_items_n_panes == 0) |
2311 | return Qnil; | |
088831f6 | 2312 | |
742f715d KH |
2313 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2314 | { | |
2315 | *error = "Empty menu"; | |
2316 | return Qnil; | |
2317 | } | |
2318 | ||
78589e07 | 2319 | /* Figure out which root window F is on. */ |
92280f67 | 2320 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2321 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2322 | &dummy_uint, &dummy_uint); | |
18686d47 | 2323 | |
78589e07 | 2324 | /* Make the menu on that window. */ |
92280f67 | 2325 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2326 | if (menu == NULL) |
dcfdbac7 JB |
2327 | { |
2328 | *error = "Can't create menu"; | |
78589e07 | 2329 | return Qnil; |
dcfdbac7 | 2330 | } |
78589e07 | 2331 | |
d130d129 RS |
2332 | /* Don't GC while we prepare and show the menu, |
2333 | because we give the oldxmenu library pointers to the | |
2334 | contents of strings. */ | |
2335 | inhibit_garbage_collection (); | |
2336 | ||
87485d6f | 2337 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2338 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2339 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2340 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2341 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2342 | |
2343 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2344 | x += f->left_pos; |
2345 | y += f->top_pos; | |
177c0ea7 | 2346 | |
78589e07 | 2347 | /* Create all the necessary panes and their items. */ |
453a4f1b | 2348 | maxlines = lines = i = 0; |
78589e07 | 2349 | while (i < menu_items_used) |
dcfdbac7 | 2350 | { |
78589e07 | 2351 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
dcfdbac7 | 2352 | { |
78589e07 RS |
2353 | /* Create a new pane. */ |
2354 | Lisp_Object pane_name, prefix; | |
2355 | char *pane_string; | |
2356 | ||
453a4f1b JD |
2357 | maxlines = max (maxlines, lines); |
2358 | lines = 0; | |
78589e07 RS |
2359 | pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME]; |
2360 | prefix = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2361 | pane_string = (NILP (pane_name) | |
d5db4077 | 2362 | ? "" : (char *) SDATA (pane_name)); |
78589e07 RS |
2363 | if (keymaps && !NILP (prefix)) |
2364 | pane_string++; | |
2365 | ||
92280f67 | 2366 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2367 | if (lpane == XM_FAILURE) |
2368 | { | |
92280f67 | 2369 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
78589e07 RS |
2370 | *error = "Can't create pane"; |
2371 | return Qnil; | |
2372 | } | |
2373 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2374 | |
2375 | /* Find the width of the widest item in this pane. */ | |
2376 | maxwidth = 0; | |
2377 | j = i; | |
2378 | while (j < menu_items_used) | |
2379 | { | |
2380 | Lisp_Object item; | |
2381 | item = XVECTOR (menu_items)->contents[j]; | |
2382 | if (EQ (item, Qt)) | |
2383 | break; | |
2384 | if (NILP (item)) | |
2385 | { | |
2386 | j++; | |
2387 | continue; | |
2388 | } | |
d5db4077 | 2389 | width = SBYTES (item); |
4e8d3549 RS |
2390 | if (width > maxwidth) |
2391 | maxwidth = width; | |
2392 | ||
2393 | j += MENU_ITEMS_ITEM_LENGTH; | |
2394 | } | |
dcfdbac7 | 2395 | } |
fcaa7665 RS |
2396 | /* Ignore a nil in the item list. |
2397 | It's meaningful only for dialog boxes. */ | |
2398 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
2399 | i += 1; | |
78589e07 | 2400 | else |
dcfdbac7 | 2401 | { |
78589e07 | 2402 | /* Create a new item within current pane. */ |
3e703b25 | 2403 | Lisp_Object item_name, enable, descrip, help; |
4e8d3549 | 2404 | unsigned char *item_data; |
3e703b25 | 2405 | char *help_string; |
78589e07 RS |
2406 | |
2407 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2408 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2409 | descrip | |
2410 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
3e703b25 | 2411 | help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP]; |
d5db4077 | 2412 | help_string = STRINGP (help) ? SDATA (help) : NULL; |
177c0ea7 | 2413 | |
78589e07 | 2414 | if (!NILP (descrip)) |
4e8d3549 | 2415 | { |
d5db4077 | 2416 | int gap = maxwidth - SBYTES (item_name); |
4e8d3549 RS |
2417 | /* if alloca is fast, use that to make the space, |
2418 | to reduce gc needs. */ | |
2419 | item_data | |
2420 | = (unsigned char *) alloca (maxwidth | |
d5db4077 | 2421 | + SBYTES (descrip) + 1); |
72af86bd | 2422 | memcpy (item_data, SDATA (item_name), SBYTES (item_name)); |
d5db4077 | 2423 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2424 | item_data[j] = ' '; |
72af86bd | 2425 | memcpy (item_data + j, SDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2426 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2427 | } |
2428 | else | |
d5db4077 | 2429 | item_data = SDATA (item_name); |
78589e07 | 2430 | |
92280f67 RS |
2431 | if (XMenuAddSelection (FRAME_X_DISPLAY (f), |
2432 | menu, lpane, 0, item_data, | |
3e703b25 | 2433 | !NILP (enable), help_string) |
dcfdbac7 JB |
2434 | == XM_FAILURE) |
2435 | { | |
92280f67 | 2436 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
dcfdbac7 | 2437 | *error = "Can't add selection to menu"; |
78589e07 | 2438 | return Qnil; |
dcfdbac7 | 2439 | } |
78589e07 | 2440 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2441 | lines++; |
dcfdbac7 JB |
2442 | } |
2443 | } | |
4e8d3549 | 2444 | |
453a4f1b JD |
2445 | maxlines = max (maxlines, lines); |
2446 | ||
78589e07 | 2447 | /* All set and ready to fly. */ |
92280f67 | 2448 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2449 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2450 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2451 | x = min (x, dispwidth); |
2452 | y = min (y, dispheight); | |
2453 | x = max (x, 1); | |
2454 | y = max (y, 1); | |
92280f67 | 2455 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2456 | &ulx, &uly, &width, &height); |
2457 | if (ulx+width > dispwidth) | |
2458 | { | |
78589e07 | 2459 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2460 | ulx = dispwidth - width; |
2461 | } | |
2462 | if (uly+height > dispheight) | |
2463 | { | |
78589e07 | 2464 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2465 | uly = dispheight - height; |
2466 | } | |
2de7397f EZ |
2467 | #ifndef HAVE_X_WINDOWS |
2468 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2469 | { | |
2470 | /* Move the menu away of the echo area, to avoid overwriting the | |
2471 | menu with help echo messages or vice versa. */ | |
2472 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2473 | { | |
2474 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2475 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2476 | } | |
2477 | else | |
2478 | { | |
2479 | y--; | |
2480 | uly--; | |
2481 | } | |
2482 | } | |
2483 | #endif | |
78589e07 RS |
2484 | if (ulx < 0) x -= ulx; |
2485 | if (uly < 0) y -= uly; | |
121e4555 | 2486 | |
453a4f1b JD |
2487 | if (! for_click) |
2488 | { | |
2489 | /* If position was not given by a mouse click, adjust so upper left | |
2490 | corner of the menu as a whole ends up at given coordinates. This | |
2491 | is what x-popup-menu says in its documentation. */ | |
2492 | x += width/2; | |
2493 | y += 1.5*height/(maxlines+2); | |
2494 | } | |
2495 | ||
121e4555 | 2496 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2497 | XMenuSetFreeze (menu, TRUE); |
2498 | pane = selidx = 0; | |
3e703b25 | 2499 | |
c3438661 JD |
2500 | #ifndef MSDOS |
2501 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2502 | #endif | |
59cfb104 | 2503 | |
a130b901 JD |
2504 | record_unwind_protect (pop_down_menu, |
2505 | Fcons (make_save_value (f, 0), | |
2506 | make_save_value (menu, 0))); | |
c3438661 | 2507 | |
3e703b25 GM |
2508 | /* Help display under X won't work because XMenuActivate contains |
2509 | a loop that doesn't give Emacs a chance to process it. */ | |
2510 | menu_help_frame = f; | |
92280f67 | 2511 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2512 | x, y, ButtonReleaseMask, &datap, |
2513 | menu_help_callback); | |
a352a815 | 2514 | |
dcfdbac7 JB |
2515 | switch (status) |
2516 | { | |
2517 | case XM_SUCCESS: | |
2518 | #ifdef XDEBUG | |
2519 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2520 | #endif | |
fa6d54d9 | 2521 | |
78589e07 RS |
2522 | /* Find the item number SELIDX in pane number PANE. */ |
2523 | i = 0; | |
2524 | while (i < menu_items_used) | |
fa6d54d9 | 2525 | { |
78589e07 | 2526 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
088831f6 | 2527 | { |
78589e07 RS |
2528 | if (pane == 0) |
2529 | pane_prefix | |
2530 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2531 | pane--; | |
2532 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2533 | } |
78589e07 | 2534 | else |
ab6ee1a0 | 2535 | { |
78589e07 | 2536 | if (pane == -1) |
ab6ee1a0 | 2537 | { |
78589e07 | 2538 | if (selidx == 0) |
ab6ee1a0 | 2539 | { |
78589e07 RS |
2540 | entry |
2541 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2542 | if (keymaps != 0) | |
ab6ee1a0 | 2543 | { |
78589e07 RS |
2544 | entry = Fcons (entry, Qnil); |
2545 | if (!NILP (pane_prefix)) | |
2546 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2547 | } |
78589e07 | 2548 | break; |
ab6ee1a0 | 2549 | } |
78589e07 | 2550 | selidx--; |
ab6ee1a0 | 2551 | } |
78589e07 | 2552 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2553 | } |
2554 | } | |
78589e07 | 2555 | break; |
dcfdbac7 | 2556 | |
78589e07 | 2557 | case XM_FAILURE: |
78589e07 RS |
2558 | *error = "Can't activate menu"; |
2559 | case XM_IA_SELECT: | |
9f6fcdc5 JD |
2560 | entry = Qnil; |
2561 | break; | |
78589e07 | 2562 | case XM_NO_SELECT: |
be6ed24a RS |
2563 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2564 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2565 | if (! for_click) |
2566 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
2567 | entry = Qnil; |
2568 | break; | |
dcfdbac7 | 2569 | } |
a5285df3 | 2570 | |
af89e871 | 2571 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2572 | |
78589e07 | 2573 | return entry; |
dcfdbac7 | 2574 | } |
4dedbfe0 | 2575 | |
78589e07 | 2576 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2577 | |
2578 | #endif /* HAVE_MENUS */ | |
e3135734 | 2579 | |
b79b8a1c CY |
2580 | /* Detect if a dialog or menu has been posted. */ |
2581 | ||
2582 | int | |
971de7fb | 2583 | popup_activated (void) |
b79b8a1c CY |
2584 | { |
2585 | return popup_activated_flag; | |
2586 | } | |
e3135734 CY |
2587 | |
2588 | /* The following is used by delayed window autoselection. */ | |
2589 | ||
2590 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2591 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2592 | (void) |
e3135734 CY |
2593 | { |
2594 | #ifdef HAVE_MENUS | |
2595 | return (popup_activated ()) ? Qt : Qnil; | |
2596 | #else | |
2597 | return Qnil; | |
2598 | #endif /* HAVE_MENUS */ | |
2599 | } | |
088831f6 | 2600 | \f |
dfcf069d | 2601 | void |
971de7fb | 2602 | syms_of_xmenu (void) |
dcfdbac7 | 2603 | { |
d67b4f80 | 2604 | Qdebug_on_next_call = intern_c_string ("debug-on-next-call"); |
0314aacb RS |
2605 | staticpro (&Qdebug_on_next_call); |
2606 | ||
8ed87156 | 2607 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2608 | widget_id_tick = (1<<16); |
88766961 | 2609 | next_menubar_widget_id = 1; |
8ed87156 RS |
2610 | #endif |
2611 | ||
508fb067 | 2612 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2613 | |
2614 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2615 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2616 | Ffset (intern_c_string ("accelerate-menu"), |
2617 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2618 | #endif |
2619 | ||
1e659e4c | 2620 | #ifdef HAVE_MENUS |
165e1749 | 2621 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2622 | #endif |
dcfdbac7 | 2623 | } |
6b61353c KH |
2624 | |
2625 | /* arch-tag: 92ea573c-398e-496e-ac73-2436f7d63242 | |
2626 | (do not change this comment) */ |