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 |
495ef86b | 125 | extern void set_frame_menubar P_ ((FRAME_PTR, int, int)); |
78589e07 RS |
126 | extern XtAppContext Xt_app_con; |
127 | ||
6a040d6a NR |
128 | static Lisp_Object xdialog_show P_ ((FRAME_PTR, int, Lisp_Object, Lisp_Object, |
129 | char **)); | |
495ef86b | 130 | static void popup_get_selection P_ ((XEvent *, struct x_display_info *, |
95bdef2e | 131 | LWLIB_ID, int)); |
488dd4c4 JD |
132 | #endif /* USE_X_TOOLKIT */ |
133 | ||
134 | #ifdef USE_GTK | |
495ef86b | 135 | extern void set_frame_menubar P_ ((FRAME_PTR, int, int)); |
6a040d6a NR |
136 | static Lisp_Object xdialog_show P_ ((FRAME_PTR, int, Lisp_Object, Lisp_Object, |
137 | char **)); | |
3427a3db GM |
138 | #endif |
139 | ||
f61a541b | 140 | static int update_frame_menubar P_ ((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) | |
150 | extern widget_value *xmalloc_widget_value P_ ((void)); | |
151 | extern widget_value *digest_single_submenu P_ ((int, int, int)); | |
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 RS |
167 | static struct frame * |
168 | menubar_id_to_frame (id) | |
169 | LWLIB_ID id; | |
170 | { | |
171 | Lisp_Object tail, frame; | |
172 | FRAME_PTR f; | |
bd3a4da2 | 173 | |
8e50cc2d | 174 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
bd3a4da2 | 175 | { |
8e713be6 | 176 | frame = XCAR (tail); |
8e50cc2d | 177 | if (!FRAMEP (frame)) |
88766961 RS |
178 | continue; |
179 | f = XFRAME (frame); | |
2d764c78 | 180 | if (!FRAME_WINDOW_P (f)) |
88766961 | 181 | continue; |
7556890b | 182 | if (f->output_data.x->id == id) |
88766961 | 183 | return f; |
bd3a4da2 | 184 | } |
88766961 | 185 | return 0; |
bd3a4da2 | 186 | } |
88766961 RS |
187 | |
188 | #endif | |
4dedbfe0 | 189 | \f |
a894238b JD |
190 | #ifdef HAVE_X_WINDOWS |
191 | /* Return the mouse position in *X and *Y. The coordinates are window | |
192 | relative for the edit window in frame F. | |
193 | This is for Fx_popup_menu. The mouse_position_hook can not | |
194 | be used for X, as it returns window relative coordinates | |
195 | for the window where the mouse is in. This could be the menu bar, | |
196 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
197 | sure it is the edit window. */ | |
ef7417fd | 198 | void |
6b61353c | 199 | mouse_position_for_popup (f, x, y) |
a894238b JD |
200 | FRAME_PTR f; |
201 | int *x; | |
202 | int *y; | |
203 | { | |
204 | Window root, dummy_window; | |
205 | int dummy; | |
206 | ||
62af879c KL |
207 | if (! FRAME_X_P (f)) |
208 | abort (); | |
209 | ||
a894238b | 210 | BLOCK_INPUT; |
177c0ea7 | 211 | |
a894238b JD |
212 | XQueryPointer (FRAME_X_DISPLAY (f), |
213 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
214 | ||
215 | /* The root window which contains the pointer. */ | |
216 | &root, | |
217 | ||
218 | /* Window pointer is on, not used */ | |
219 | &dummy_window, | |
220 | ||
221 | /* The position on that root window. */ | |
222 | x, y, | |
223 | ||
224 | /* x/y in dummy_window coordinates, not used. */ | |
225 | &dummy, &dummy, | |
226 | ||
227 | /* Modifier keys and pointer buttons, about which | |
228 | we don't care. */ | |
229 | (unsigned int *) &dummy); | |
230 | ||
231 | UNBLOCK_INPUT; | |
232 | ||
233 | /* xmenu_show expects window coordinates, not root window | |
234 | coordinates. Translate. */ | |
9882535b KS |
235 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
236 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
237 | } |
238 | ||
239 | #endif /* HAVE_X_WINDOWS */ | |
240 | ||
1e659e4c RS |
241 | #ifdef HAVE_MENUS |
242 | ||
6a040d6a | 243 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 244 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
245 | POSITION specifies which frame to use. |
246 | This is normally a mouse button event or a window or frame. | |
247 | If POSITION is t, it means to use the frame the mouse is on. | |
248 | The dialog box appears in the middle of the specified frame. | |
249 | ||
250 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 251 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
252 | Each ITEM is a cons cell (STRING . VALUE). |
253 | The return value is VALUE from the chosen item. | |
254 | ||
255 | An ITEM may also be just a string--that makes a nonselectable item. | |
256 | An ITEM may also be nil--that means to put all preceding items | |
257 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
258 | \(By default, approximately half appear on each side.) |
259 | ||
6a040d6a NR |
260 | If HEADER is non-nil, the frame title for the box is "Information", |
261 | otherwise it is "Question". | |
262 | ||
c05fe5d5 LT |
263 | If the user gets rid of the dialog box without making a valid choice, |
264 | for instance using the window manager, then this produces a quit and | |
265 | `x-popup-dialog' does not return. */) | |
6a040d6a NR |
266 | (position, contents, header) |
267 | Lisp_Object position, contents, header; | |
165e1749 | 268 | { |
cc45fb40 | 269 | FRAME_PTR f = NULL; |
99fe880d | 270 | Lisp_Object window; |
165e1749 FP |
271 | |
272 | check_x (); | |
273 | ||
99fe880d | 274 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 275 | if (EQ (position, Qt) |
2b06561a DL |
276 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
277 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 278 | { |
b14db4d7 | 279 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 280 | /* Use the mouse's current position. */ |
b404828f | 281 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 282 | Lisp_Object bar_window; |
cc45fb40 | 283 | enum scroll_bar_part part; |
99fe880d RS |
284 | unsigned long time; |
285 | Lisp_Object x, y; | |
165e1749 | 286 | |
46b657e2 | 287 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 288 | |
99fe880d | 289 | if (new_f != 0) |
a39f0477 | 290 | XSETFRAME (window, new_f); |
99fe880d RS |
291 | else |
292 | window = selected_window; | |
b14db4d7 | 293 | #endif |
88d4f6ec | 294 | window = selected_window; |
99fe880d RS |
295 | } |
296 | else if (CONSP (position)) | |
297 | { | |
298 | Lisp_Object tem; | |
299 | tem = Fcar (position); | |
b5bb2705 | 300 | if (CONSP (tem)) |
99fe880d | 301 | window = Fcar (Fcdr (position)); |
80670155 RS |
302 | else |
303 | { | |
99fe880d RS |
304 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
305 | window = Fcar (tem); /* POSN_WINDOW (tem) */ | |
165e1749 | 306 | } |
165e1749 | 307 | } |
99fe880d RS |
308 | else if (WINDOWP (position) || FRAMEP (position)) |
309 | window = position; | |
a9be6839 RS |
310 | else |
311 | window = Qnil; | |
165e1749 | 312 | |
99fe880d | 313 | /* Decode where to put the menu. */ |
165e1749 | 314 | |
b5bb2705 | 315 | if (FRAMEP (window)) |
99fe880d | 316 | f = XFRAME (window); |
b5bb2705 | 317 | else if (WINDOWP (window)) |
165e1749 | 318 | { |
b7826503 | 319 | CHECK_LIVE_WINDOW (window); |
99fe880d | 320 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 321 | } |
99fe880d RS |
322 | else |
323 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
324 | but I don't want to make one now. */ | |
b7826503 | 325 | CHECK_WINDOW (window); |
165e1749 | 326 | |
a9e1244d EZ |
327 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
328 | error ("Can not put X dialog on this terminal"); | |
62af879c | 329 | |
5da9fdfa YM |
330 | /* Force a redisplay before showing the dialog. If a frame is created |
331 | just before showing the dialog, its contents may not have been fully | |
332 | drawn, as this depends on timing of events from the X server. Redisplay | |
333 | is not done when a dialog is shown. If redisplay could be done in the | |
334 | X event loop (i.e. the X event loop does not run in a signal handler) | |
335 | this would not be needed. | |
336 | ||
337 | Do this before creating the widget value that points to Lisp | |
338 | string contents, because Fredisplay may GC and relocate them. */ | |
339 | Fredisplay (Qt); | |
340 | ||
488dd4c4 | 341 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
342 | /* Display a menu with these alternatives |
343 | in the middle of frame F. */ | |
344 | { | |
345 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
346 | XSETFRAME (frame, f); |
347 | XSETINT (x, x_pixel_width (f) / 2); | |
348 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
349 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
350 | ||
351 | return Fx_popup_menu (newpos, | |
352 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
353 | } | |
354 | #else | |
355 | { | |
356 | Lisp_Object title; | |
357 | char *error_name; | |
358 | Lisp_Object selection; | |
86fad4ec | 359 | int specpdl_count = SPECPDL_INDEX (); |
165e1749 | 360 | |
99fe880d RS |
361 | /* Decode the dialog items from what was specified. */ |
362 | title = Fcar (contents); | |
b7826503 | 363 | CHECK_STRING (title); |
86fad4ec | 364 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 365 | |
6b61353c KH |
366 | if (NILP (Fcar (Fcdr (contents)))) |
367 | /* No buttons specified, add an "Ok" button so users can pop down | |
368 | the dialog. Also, the lesstif/motif version crashes if there are | |
369 | no buttons. */ | |
370 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 371 | |
99fe880d | 372 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 373 | |
99fe880d RS |
374 | /* Display them in a dialog box. */ |
375 | BLOCK_INPUT; | |
6a040d6a | 376 | selection = xdialog_show (f, 0, title, header, &error_name); |
99fe880d | 377 | UNBLOCK_INPUT; |
165e1749 | 378 | |
86fad4ec | 379 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
380 | discard_menu_items (); |
381 | ||
382 | if (error_name) error (error_name); | |
383 | return selection; | |
384 | } | |
7464b131 | 385 | #endif |
392d3f4b | 386 | } |
c3438661 JD |
387 | |
388 | ||
389 | #ifndef MSDOS | |
390 | ||
b3935289 JD |
391 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
392 | ||
393 | void | |
394 | x_menu_set_in_use (in_use) | |
395 | int in_use; | |
396 | { | |
397 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 398 | popup_activated_flag = in_use; |
98a20c65 CY |
399 | #ifdef USE_X_TOOLKIT |
400 | if (popup_activated_flag) | |
401 | x_activate_timeout_atimer (); | |
402 | #endif | |
b3935289 JD |
403 | } |
404 | ||
c3438661 JD |
405 | /* Wait for an X event to arrive or for a timer to expire. */ |
406 | ||
b3935289 | 407 | void |
c3438661 JD |
408 | x_menu_wait_for_event (void *data) |
409 | { | |
c3438661 JD |
410 | /* Another way to do this is to register a timer callback, that can be |
411 | done in GTK and Xt. But we have to do it like this when using only X | |
412 | anyway, and with callbacks we would have three variants for timer handling | |
413 | instead of the small ifdefs below. */ | |
414 | ||
415 | while ( | |
416 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 417 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
418 | #elif defined USE_GTK |
419 | ! gtk_events_pending () | |
420 | #else | |
421 | ! XPending ((Display*) data) | |
422 | #endif | |
423 | ) | |
424 | { | |
e90292a9 | 425 | EMACS_TIME next_time = timer_check (1), *ntp; |
c3438661 JD |
426 | long secs = EMACS_SECS (next_time); |
427 | long usecs = EMACS_USECS (next_time); | |
428 | SELECT_TYPE read_fds; | |
429 | struct x_display_info *dpyinfo; | |
430 | int n = 0; | |
431 | ||
432 | FD_ZERO (&read_fds); | |
433 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
434 | { | |
435 | int fd = ConnectionNumber (dpyinfo->display); | |
436 | FD_SET (fd, &read_fds); | |
437 | if (fd > n) n = fd; | |
11814156 | 438 | XFlush (dpyinfo->display); |
c3438661 JD |
439 | } |
440 | ||
e90292a9 JD |
441 | if (secs < 0 && usecs < 0) |
442 | ntp = 0; | |
443 | else | |
444 | ntp = &next_time; | |
c3438661 | 445 | |
e90292a9 | 446 | select (n + 1, &read_fds, (SELECT_TYPE *)0, (SELECT_TYPE *)0, ntp); |
c3438661 JD |
447 | } |
448 | } | |
449 | #endif /* ! MSDOS */ | |
450 | ||
78589e07 | 451 | \f |
488dd4c4 | 452 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 453 | |
f1d1cd24 JD |
454 | #ifdef USE_X_TOOLKIT |
455 | ||
4dedbfe0 | 456 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 457 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
458 | and x-popup-dialog; it is not used for the menu bar. |
459 | ||
2e2b8e22 | 460 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 461 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 462 | |
f02cac82 | 463 | static void |
95bdef2e | 464 | popup_get_selection (initial_event, dpyinfo, id, do_timers) |
4dedbfe0 | 465 | XEvent *initial_event; |
aa669def | 466 | struct x_display_info *dpyinfo; |
2e2b8e22 | 467 | LWLIB_ID id; |
df470e3b | 468 | int do_timers; |
78589e07 | 469 | { |
4dedbfe0 | 470 | XEvent event; |
f02cac82 | 471 | |
8b806a85 JD |
472 | while (popup_activated_flag) |
473 | { | |
c0b0f54b | 474 | if (initial_event) |
8b806a85 JD |
475 | { |
476 | event = *initial_event; | |
477 | initial_event = 0; | |
478 | } | |
479 | else | |
c3438661 JD |
480 | { |
481 | if (do_timers) x_menu_wait_for_event (0); | |
482 | XtAppNextEvent (Xt_app_con, &event); | |
483 | } | |
78589e07 | 484 | |
10624005 | 485 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
486 | And make sure to deactivate for any ButtonRelease, |
487 | even if XtDispatchEvent doesn't do that. */ | |
488 | if (event.type == ButtonRelease | |
489 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
490 | { |
491 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 492 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
493 | Btn1Down seems the only way to convince Motif to |
494 | activate its callbacks; setting the XmNmenuPost | |
495 | isn't working. --marcus@sysc.pdx.edu. */ | |
496 | event.xbutton.button = 1; | |
497 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
498 | key is pressed and the button is released. So reset key state | |
499 | so Motif thinks this is the case. */ | |
500 | event.xbutton.state = 0; | |
c8b5aa3d | 501 | #endif |
10624005 | 502 | } |
33385c6f | 503 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 504 | else if (event.type == KeyPress |
10624005 | 505 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
506 | { |
507 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 508 | |
33385c6f JD |
509 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
510 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 511 | popup_activated_flag = 0; |
8b806a85 | 512 | } |
177c0ea7 | 513 | |
8b806a85 | 514 | x_dispatch_event (&event, event.xany.display); |
aa669def | 515 | } |
78589e07 RS |
516 | } |
517 | ||
12b6af5c | 518 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
519 | doc: /* Start key navigation of the menu bar in FRAME. |
520 | This initially opens the first menu bar item and you can then navigate with the | |
521 | arrow keys, select a menu entry with the return key or cancel with the | |
522 | escape key. If FRAME has no menu bar this function does nothing. | |
523 | ||
524 | If FRAME is nil or not given, use the selected frame. */) | |
525 | (frame) | |
526 | Lisp_Object frame; | |
527 | { | |
528 | XEvent ev; | |
529 | FRAME_PTR f = check_x_frame (frame); | |
530 | Widget menubar; | |
531 | BLOCK_INPUT; | |
532 | ||
533 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
534 | set_frame_menubar (f, 0, 1); | |
535 | ||
536 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
537 | if (menubar) | |
538 | { | |
539 | Window child; | |
540 | int error_p = 0; | |
541 | ||
542 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
543 | memset (&ev, 0, sizeof ev); | |
544 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
545 | ev.xbutton.window = XtWindow (menubar); | |
546 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
547 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
548 | ev.xbutton.button = Button1; | |
549 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
550 | ev.xbutton.same_screen = True; | |
551 | ||
552 | #ifdef USE_MOTIF | |
553 | { | |
554 | Arg al[2]; | |
555 | WidgetList list; | |
556 | Cardinal nr; | |
557 | XtSetArg (al[0], XtNchildren, &list); | |
558 | XtSetArg (al[1], XtNnumChildren, &nr); | |
559 | XtGetValues (menubar, al, 2); | |
560 | ev.xbutton.window = XtWindow (list[0]); | |
561 | } | |
562 | #endif | |
563 | ||
564 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
565 | /* From-window, to-window. */ | |
566 | ev.xbutton.window, ev.xbutton.root, | |
567 | ||
568 | /* From-position, to-position. */ | |
569 | ev.xbutton.x, ev.xbutton.y, | |
570 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
571 | ||
572 | /* Child of win. */ | |
573 | &child); | |
574 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
575 | x_uncatch_errors (); | |
576 | ||
577 | if (! error_p) | |
578 | { | |
579 | ev.type = ButtonPress; | |
580 | ev.xbutton.state = 0; | |
581 | ||
582 | XtDispatchEvent (&ev); | |
583 | ev.xbutton.type = ButtonRelease; | |
584 | ev.xbutton.state = Button1Mask; | |
585 | XtDispatchEvent (&ev); | |
586 | } | |
587 | } | |
588 | ||
589 | UNBLOCK_INPUT; | |
57d671b4 AS |
590 | |
591 | return Qnil; | |
22badffe | 592 | } |
488dd4c4 JD |
593 | #endif /* USE_X_TOOLKIT */ |
594 | ||
22badffe | 595 | |
488dd4c4 | 596 | #ifdef USE_GTK |
12b6af5c | 597 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
598 | doc: /* Start key navigation of the menu bar in FRAME. |
599 | This initially opens the first menu bar item and you can then navigate with the | |
600 | arrow keys, select a menu entry with the return key or cancel with the | |
601 | escape key. If FRAME has no menu bar this function does nothing. | |
602 | ||
603 | If FRAME is nil or not given, use the selected frame. */) | |
604 | (frame) | |
605 | Lisp_Object frame; | |
606 | { | |
607 | GtkWidget *menubar; | |
8630721e CY |
608 | FRAME_PTR f; |
609 | ||
718aeeb8 CY |
610 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
611 | BLOCK_INPUT. */ | |
612 | ||
22badffe | 613 | BLOCK_INPUT; |
8630721e | 614 | f = check_x_frame (frame); |
22badffe JD |
615 | |
616 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
617 | set_frame_menubar (f, 0, 1); | |
618 | ||
619 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
620 | if (menubar) | |
621 | { | |
622 | /* Activate the first menu. */ | |
623 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
624 | ||
32d46135 JD |
625 | if (children) |
626 | { | |
627 | g_signal_emit_by_name (children->data, "activate_item"); | |
628 | popup_activated_flag = 1; | |
629 | g_list_free (children); | |
630 | } | |
22badffe JD |
631 | } |
632 | UNBLOCK_INPUT; | |
633 | ||
634 | return Qnil; | |
635 | } | |
636 | ||
488dd4c4 JD |
637 | /* Loop util popup_activated_flag is set to zero in a callback. |
638 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 639 | |
488dd4c4 | 640 | static void |
f1d1cd24 | 641 | popup_widget_loop (do_timers, widget) |
c3438661 | 642 | int do_timers; |
f1d1cd24 | 643 | GtkWidget *widget; |
488dd4c4 JD |
644 | { |
645 | ++popup_activated_flag; | |
646 | ||
647 | /* Process events in the Gtk event loop until done. */ | |
648 | while (popup_activated_flag) | |
649 | { | |
c3438661 | 650 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
651 | gtk_main_iteration (); |
652 | } | |
653 | } | |
654 | #endif | |
655 | ||
88766961 RS |
656 | /* Activate the menu bar of frame F. |
657 | This is called from keyboard.c when it gets the | |
3b8f9651 | 658 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
659 | |
660 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 661 | that was saved in saved_menu_event. |
88766961 RS |
662 | That makes the toolkit do its thing. |
663 | ||
664 | But first we recompute the menu bar contents (the whole tree). | |
665 | ||
666 | The reason for saving the button event until here, instead of | |
667 | passing it to the toolkit right away, is that we can safely | |
668 | execute Lisp code. */ | |
177c0ea7 | 669 | |
dfcf069d | 670 | void |
88766961 RS |
671 | x_activate_menubar (f) |
672 | FRAME_PTR f; | |
673 | { | |
62af879c KL |
674 | if (! FRAME_X_P (f)) |
675 | abort (); | |
676 | ||
ac78b144 | 677 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
678 | return; |
679 | ||
177c0ea7 | 680 | #ifdef USE_GTK |
6b61353c KH |
681 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
682 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
683 | return; |
684 | #endif | |
177c0ea7 | 685 | |
a9be6839 | 686 | set_frame_menubar (f, 0, 1); |
88766961 | 687 | BLOCK_INPUT; |
488dd4c4 JD |
688 | #ifdef USE_GTK |
689 | XPutBackEvent (f->output_data.x->display_info->display, | |
690 | f->output_data.x->saved_menu_event); | |
691 | popup_activated_flag = 1; | |
692 | #else | |
86fad4ec | 693 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 694 | #endif |
88766961 | 695 | UNBLOCK_INPUT; |
a9be6839 | 696 | #ifdef USE_MOTIF |
745c34fb RS |
697 | if (f->output_data.x->saved_menu_event->type == ButtonRelease) |
698 | pending_menu_activation = 1; | |
a9be6839 | 699 | #endif |
177c0ea7 | 700 | |
88766961 | 701 | /* Ignore this if we get it a second time. */ |
ac78b144 | 702 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
703 | } |
704 | ||
4dedbfe0 PR |
705 | /* This callback is invoked when the user selects a menubar cascade |
706 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 707 | |
488dd4c4 | 708 | #ifndef USE_GTK |
78589e07 | 709 | static void |
4dedbfe0 | 710 | popup_activate_callback (widget, id, client_data) |
78589e07 RS |
711 | Widget widget; |
712 | LWLIB_ID id; | |
713 | XtPointer client_data; | |
714 | { | |
4dedbfe0 | 715 | popup_activated_flag = 1; |
98a20c65 CY |
716 | #ifdef USE_X_TOOLKIT |
717 | x_activate_timeout_atimer (); | |
718 | #endif | |
7555d825 | 719 | } |
488dd4c4 | 720 | #endif |
7555d825 GM |
721 | |
722 | /* This callback is invoked when a dialog or menu is finished being | |
723 | used and has been unposted. */ | |
724 | ||
488dd4c4 JD |
725 | #ifdef USE_GTK |
726 | static void | |
727 | popup_deactivate_callback (widget, client_data) | |
728 | GtkWidget *widget; | |
729 | gpointer client_data; | |
730 | { | |
731 | popup_activated_flag = 0; | |
732 | } | |
733 | #else | |
7555d825 GM |
734 | static void |
735 | popup_deactivate_callback (widget, id, client_data) | |
736 | Widget widget; | |
737 | LWLIB_ID id; | |
738 | XtPointer client_data; | |
739 | { | |
7555d825 | 740 | popup_activated_flag = 0; |
78589e07 | 741 | } |
488dd4c4 | 742 | #endif |
78589e07 | 743 | |
850df50b | 744 | |
488dd4c4 JD |
745 | /* Function that finds the frame for WIDGET and shows the HELP text |
746 | for that widget. | |
747 | F is the frame if known, or NULL if not known. */ | |
748 | static void | |
749 | show_help_event (f, widget, help) | |
750 | FRAME_PTR f; | |
751 | xt_or_gtk_widget widget; | |
752 | Lisp_Object help; | |
850df50b | 753 | { |
488dd4c4 | 754 | Lisp_Object frame; |
850df50b | 755 | |
850df50b | 756 | if (f) |
9cd50434 GM |
757 | { |
758 | XSETFRAME (frame, f); | |
759 | kbd_buffer_store_help_event (frame, help); | |
760 | } | |
850df50b GM |
761 | else |
762 | { | |
6b61353c | 763 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 764 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 765 | widget. See which frame that is. */ |
488dd4c4 | 766 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
767 | Lisp_Object tail; |
768 | ||
8e50cc2d | 769 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
770 | { |
771 | frame = XCAR (tail); | |
8e50cc2d | 772 | if (FRAMEP (frame) |
850df50b GM |
773 | && (f = XFRAME (frame), |
774 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
775 | break; | |
776 | } | |
6b61353c | 777 | #endif |
9cd50434 GM |
778 | show_help_echo (help, Qnil, Qnil, Qnil, 1); |
779 | } | |
850df50b GM |
780 | } |
781 | ||
488dd4c4 JD |
782 | /* Callback called when menu items are highlighted/unhighlighted |
783 | while moving the mouse over them. WIDGET is the menu bar or menu | |
784 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
785 | the data structure for the menu item, or null in case of | |
786 | unhighlighting. */ | |
4dedbfe0 | 787 | |
488dd4c4 JD |
788 | #ifdef USE_GTK |
789 | void | |
790 | menu_highlight_callback (widget, call_data) | |
791 | GtkWidget *widget; | |
792 | gpointer call_data; | |
793 | { | |
794 | xg_menu_item_cb_data *cb_data; | |
795 | Lisp_Object help; | |
177c0ea7 | 796 | |
488dd4c4 JD |
797 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
798 | XG_ITEM_DATA); | |
799 | if (! cb_data) return; | |
800 | ||
801 | help = call_data ? cb_data->help : Qnil; | |
802 | ||
803 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
804 | Don't show help for them, they won't appear before the | |
805 | popup is popped down. */ | |
806 | if (popup_activated_flag <= 1) | |
807 | show_help_event (cb_data->cl_data->f, widget, help); | |
808 | } | |
809 | #else | |
810 | void | |
811 | menu_highlight_callback (widget, id, call_data) | |
78589e07 RS |
812 | Widget widget; |
813 | LWLIB_ID id; | |
488dd4c4 JD |
814 | void *call_data; |
815 | { | |
816 | struct frame *f; | |
817 | Lisp_Object help; | |
818 | ||
819 | widget_value *wv = (widget_value *) call_data; | |
820 | ||
821 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 822 | |
488dd4c4 JD |
823 | /* Determine the frame for the help event. */ |
824 | f = menubar_id_to_frame (id); | |
825 | ||
826 | show_help_event (f, widget, help); | |
827 | } | |
828 | #endif | |
829 | ||
488dd4c4 JD |
830 | #ifdef USE_GTK |
831 | /* Gtk calls callbacks just because we tell it what item should be | |
832 | selected in a radio group. If this variable is set to a non-zero | |
833 | value, we are creating menus and don't want callbacks right now. | |
834 | */ | |
835 | static int xg_crazy_callback_abort; | |
836 | ||
837 | /* This callback is called from the menu bar pulldown menu | |
838 | when the user makes a selection. | |
839 | Figure out what the user chose | |
840 | and put the appropriate events into the keyboard buffer. */ | |
841 | static void | |
842 | menubar_selection_callback (widget, client_data) | |
843 | GtkWidget *widget; | |
844 | gpointer client_data; | |
845 | { | |
846 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
847 | ||
848 | if (xg_crazy_callback_abort) | |
849 | return; | |
850 | ||
851 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
852 | return; | |
853 | ||
b79c8219 JD |
854 | /* For a group of radio buttons, GTK calls the selection callback first |
855 | for the item that was active before the selection and then for the one that | |
856 | is active after the selection. For C-h k this means we get the help on | |
857 | the deselected item and then the selected item is executed. Prevent that | |
858 | by ignoring the non-active item. */ | |
859 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
860 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
861 | return; | |
862 | ||
81f09877 JD |
863 | /* When a menu is popped down, X generates a focus event (i.e. focus |
864 | goes back to the frame below the menu). Since GTK buffers events, | |
865 | we force it out here before the menu selection event. Otherwise | |
866 | sit-for will exit at once if the focus event follows the menu selection | |
867 | event. */ | |
868 | ||
869 | BLOCK_INPUT; | |
870 | while (gtk_events_pending ()) | |
871 | gtk_main_iteration (); | |
872 | UNBLOCK_INPUT; | |
873 | ||
488dd4c4 JD |
874 | find_and_call_menu_selection (cb_data->cl_data->f, |
875 | cb_data->cl_data->menu_bar_items_used, | |
876 | cb_data->cl_data->menu_bar_vector, | |
877 | cb_data->call_data); | |
878 | } | |
879 | ||
880 | #else /* not USE_GTK */ | |
881 | ||
882 | /* This callback is called from the menu bar pulldown menu | |
883 | when the user makes a selection. | |
884 | Figure out what the user chose | |
885 | and put the appropriate events into the keyboard buffer. */ | |
886 | static void | |
887 | menubar_selection_callback (widget, id, client_data) | |
888 | Widget widget; | |
889 | LWLIB_ID id; | |
890 | XtPointer client_data; | |
891 | { | |
892 | FRAME_PTR f; | |
893 | ||
894 | f = menubar_id_to_frame (id); | |
895 | if (!f) | |
896 | return; | |
897 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
898 | f->menu_bar_vector, client_data); | |
899 | } | |
900 | #endif /* not USE_GTK */ | |
f61a541b GM |
901 | \f |
902 | /* Recompute all the widgets of frame F, when the menu bar has been | |
903 | changed. Value is non-zero if widgets were updated. */ | |
904 | ||
905 | static int | |
6af6cbb5 | 906 | update_frame_menubar (f) |
18686d47 RS |
907 | FRAME_PTR f; |
908 | { | |
488dd4c4 JD |
909 | #ifdef USE_GTK |
910 | return xg_update_frame_menubar (f); | |
911 | #else | |
62af879c | 912 | struct x_output *x; |
cffa74ea | 913 | int columns, rows; |
177c0ea7 | 914 | |
62af879c KL |
915 | if (! FRAME_X_P (f)) |
916 | abort (); | |
917 | ||
918 | x = f->output_data.x; | |
919 | ||
f61a541b GM |
920 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
921 | return 0; | |
18686d47 RS |
922 | |
923 | BLOCK_INPUT; | |
f61a541b GM |
924 | /* Save the size of the frame because the pane widget doesn't accept |
925 | to resize itself. So force it. */ | |
9882535b KS |
926 | columns = FRAME_COLS (f); |
927 | rows = FRAME_LINES (f); | |
cffa74ea | 928 | |
f61a541b GM |
929 | /* Do the voodoo which means "I'm changing lots of things, don't try |
930 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 931 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 932 | |
f61a541b GM |
933 | /* The order in which children are managed is the top to bottom |
934 | order in which they are displayed in the paned window. First, | |
935 | remove the text-area widget. */ | |
18686d47 RS |
936 | XtUnmanageChild (x->edit_widget); |
937 | ||
f61a541b GM |
938 | /* Remove the menubar that is there now, and put up the menubar that |
939 | should be there. */ | |
940 | XtManageChild (x->menubar_widget); | |
941 | XtMapWidget (x->menubar_widget); | |
942 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 943 | |
c98fcf4b | 944 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 945 | XtManageChild (x->edit_widget); |
4dedbfe0 | 946 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
947 | |
948 | /* Force the pane widget to resize itself with the right values. */ | |
949 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
18686d47 | 950 | UNBLOCK_INPUT; |
488dd4c4 | 951 | #endif |
f61a541b | 952 | return 1; |
18686d47 RS |
953 | } |
954 | ||
99852628 | 955 | #ifdef USE_LUCID |
1ecb2d3f JD |
956 | static void |
957 | apply_systemfont_to_dialog (w) | |
958 | Widget w; | |
959 | { | |
960 | const char *fn = xsettings_get_system_normal_font (); | |
961 | if (fn) | |
962 | { | |
963 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
964 | if (db) | |
965 | XrmPutStringResource (&db, "*dialog.faceName", fn); | |
966 | } | |
967 | } | |
968 | ||
99852628 JD |
969 | static void |
970 | apply_systemfont_to_menu (w) | |
971 | Widget w; | |
972 | { | |
973 | const char *fn = xsettings_get_system_normal_font (); | |
974 | int defflt; | |
975 | ||
976 | if (!fn) return; | |
977 | ||
978 | if (XtIsShell (w)) /* popup menu */ | |
979 | { | |
1ecb2d3f | 980 | Widget *childs = NULL; |
99852628 | 981 | |
1ecb2d3f | 982 | XtVaGetValues (w, XtNchildren, &childs, NULL); |
5ba5ec85 | 983 | if (*childs) w = *childs; |
99852628 JD |
984 | } |
985 | ||
986 | /* Only use system font if the default is used for the menu. */ | |
987 | XtVaGetValues (w, XtNdefaultFace, &defflt, NULL); | |
988 | if (defflt) | |
989 | XtVaSetValues (w, XtNfaceName, fn, NULL); | |
990 | } | |
991 | #endif | |
992 | ||
4bcdbab1 KH |
993 | /* Set the contents of the menubar widgets of frame F. |
994 | The argument FIRST_TIME is currently ignored; | |
995 | it is set the first time this is called, from initialize_frame_menubar. */ | |
996 | ||
18686d47 | 997 | void |
88766961 | 998 | set_frame_menubar (f, first_time, deep_p) |
18686d47 | 999 | FRAME_PTR f; |
706aa2f2 | 1000 | int first_time; |
88766961 | 1001 | int deep_p; |
18686d47 | 1002 | { |
62af879c | 1003 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
1004 | #ifdef USE_X_TOOLKIT |
1005 | LWLIB_ID id; | |
1006 | #endif | |
faa935b6 | 1007 | Lisp_Object items; |
4d19cb8e | 1008 | widget_value *wv, *first_wv, *prev_wv = 0; |
1806714a | 1009 | int i, last_i = 0; |
ced89c24 | 1010 | int *submenu_start, *submenu_end; |
37dc84ff | 1011 | int *submenu_top_level_items, *submenu_n_panes; |
cc45fb40 | 1012 | |
62af879c KL |
1013 | if (! FRAME_X_P (f)) |
1014 | abort (); | |
1015 | ||
1016 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 1017 | |
bfc524bc RS |
1018 | XSETFRAME (Vmenu_updating_frame, f); |
1019 | ||
488dd4c4 | 1020 | #ifdef USE_X_TOOLKIT |
7556890b RS |
1021 | if (f->output_data.x->id == 0) |
1022 | f->output_data.x->id = next_menubar_widget_id++; | |
1023 | id = f->output_data.x->id; | |
488dd4c4 | 1024 | #endif |
177c0ea7 | 1025 | |
88766961 RS |
1026 | if (! menubar_widget) |
1027 | deep_p = 1; | |
745c34fb | 1028 | else if (pending_menu_activation && !deep_p) |
a9be6839 RS |
1029 | deep_p = 1; |
1030 | /* Make the first call for any given frame always go deep. */ | |
1031 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
1032 | { |
1033 | deep_p = 1; | |
a9be6839 RS |
1034 | f->output_data.x->saved_menu_event = (XEvent*)xmalloc (sizeof (XEvent)); |
1035 | f->output_data.x->saved_menu_event->type = 0; | |
745c34fb | 1036 | } |
18686d47 | 1037 | |
6b61353c KH |
1038 | #ifdef USE_GTK |
1039 | /* If we have detached menus, we must update deep so detached menus | |
1040 | also gets updated. */ | |
1041 | deep_p = deep_p || xg_have_tear_offs (); | |
1042 | #endif | |
1043 | ||
88766961 | 1044 | if (deep_p) |
18686d47 | 1045 | { |
88766961 RS |
1046 | /* Make a widget-value tree representing the entire menu trees. */ |
1047 | ||
1048 | struct buffer *prev = current_buffer; | |
1049 | Lisp_Object buffer; | |
aed13378 | 1050 | int specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
1051 | int previous_menu_items_used = f->menu_bar_items_used; |
1052 | Lisp_Object *previous_items | |
1053 | = (Lisp_Object *) alloca (previous_menu_items_used | |
1054 | * sizeof (Lisp_Object)); | |
1055 | ||
0b1cf399 RS |
1056 | /* If we are making a new widget, its contents are empty, |
1057 | do always reinitialize them. */ | |
1058 | if (! menubar_widget) | |
1059 | previous_menu_items_used = 0; | |
1060 | ||
88766961 RS |
1061 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
1062 | specbind (Qinhibit_quit, Qt); | |
1063 | /* Don't let the debugger step into this code | |
1064 | because it is not reentrant. */ | |
1065 | specbind (Qdebug_on_next_call, Qnil); | |
1066 | ||
89f2614d | 1067 | record_unwind_save_match_data (); |
88766961 RS |
1068 | if (NILP (Voverriding_local_map_menu_flag)) |
1069 | { | |
1070 | specbind (Qoverriding_terminal_local_map, Qnil); | |
1071 | specbind (Qoverriding_local_map, Qnil); | |
1072 | } | |
18686d47 | 1073 | |
88766961 | 1074 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 1075 | |
88766961 | 1076 | /* Run the Lucid hook. */ |
950eaee7 | 1077 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 1078 | |
88766961 RS |
1079 | /* If it has changed current-menubar from previous value, |
1080 | really recompute the menubar from the value. */ | |
1081 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
1082 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 1083 | safe_run_hooks (Qmenu_bar_update_hook); |
88766961 | 1084 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
18686d47 | 1085 | |
88766961 | 1086 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1087 | |
88766961 | 1088 | /* Save the frame's previous menu bar contents data. */ |
86c04183 GM |
1089 | if (previous_menu_items_used) |
1090 | bcopy (XVECTOR (f->menu_bar_vector)->contents, previous_items, | |
1091 | previous_menu_items_used * sizeof (Lisp_Object)); | |
8d8a3494 | 1092 | |
ced89c24 RS |
1093 | /* Fill in menu_items with the current menu bar contents. |
1094 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1095 | save_menu_items (); |
1096 | ||
88766961 | 1097 | menu_items = f->menu_bar_vector; |
86c04183 | 1098 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
ced89c24 RS |
1099 | submenu_start = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); |
1100 | submenu_end = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
37dc84ff | 1101 | submenu_n_panes = (int *) alloca (XVECTOR (items)->size * sizeof (int)); |
ced89c24 RS |
1102 | submenu_top_level_items |
1103 | = (int *) alloca (XVECTOR (items)->size * sizeof (int *)); | |
88766961 | 1104 | init_menu_items (); |
f04366cb | 1105 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1106 | { |
1107 | Lisp_Object key, string, maps; | |
1108 | ||
ced89c24 RS |
1109 | last_i = i; |
1110 | ||
88766961 RS |
1111 | key = XVECTOR (items)->contents[i]; |
1112 | string = XVECTOR (items)->contents[i + 1]; | |
1113 | maps = XVECTOR (items)->contents[i + 2]; | |
1114 | if (NILP (string)) | |
1115 | break; | |
1116 | ||
ced89c24 RS |
1117 | submenu_start[i] = menu_items_used; |
1118 | ||
1119 | menu_items_n_panes = 0; | |
1120 | submenu_top_level_items[i] | |
1121 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1122 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1123 | |
1124 | submenu_end[i] = menu_items_used; | |
1125 | } | |
1126 | ||
1127 | finish_menu_items (); | |
1128 | ||
1129 | /* Convert menu_items into widget_value trees | |
1130 | to display the menu. This cannot evaluate Lisp code. */ | |
1131 | ||
1132 | wv = xmalloc_widget_value (); | |
1133 | wv->name = "menubar"; | |
1134 | wv->value = 0; | |
1135 | wv->enabled = 1; | |
1136 | wv->button_type = BUTTON_TYPE_NONE; | |
1137 | wv->help = Qnil; | |
1138 | first_wv = wv; | |
1139 | ||
1140 | for (i = 0; i < last_i; i += 4) | |
1141 | { | |
37dc84ff | 1142 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1143 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1144 | submenu_top_level_items[i]); | |
177c0ea7 | 1145 | if (prev_wv) |
88766961 RS |
1146 | prev_wv->next = wv; |
1147 | else | |
1148 | first_wv->contents = wv; | |
1149 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1150 | wv->enabled = 1; | |
3427a3db | 1151 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1152 | prev_wv = wv; |
1153 | } | |
1154 | ||
88766961 | 1155 | set_buffer_internal_1 (prev); |
8d8a3494 | 1156 | |
88766961 RS |
1157 | /* If there has been no change in the Lisp-level contents |
1158 | of the menu bar, skip redisplaying it. Just exit. */ | |
1159 | ||
510d5bf6 | 1160 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1161 | for (i = 0; i < previous_menu_items_used; i++) |
1162 | if (menu_items_used == i | |
99d3fac7 | 1163 | || (!EQ (previous_items[i], XVECTOR (menu_items)->contents[i]))) |
88766961 | 1164 | break; |
62555c22 | 1165 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1166 | { |
510d5bf6 RS |
1167 | /* The menu items have not changed. Don't bother updating |
1168 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1169 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1170 | discard_menu_items (); |
1fc4d463 | 1171 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1172 | return; |
1173 | } | |
1174 | ||
510d5bf6 | 1175 | /* The menu items are different, so store them in the frame. */ |
1fc4d463 RS |
1176 | f->menu_bar_vector = menu_items; |
1177 | f->menu_bar_items_used = menu_items_used; | |
1178 | ||
bf732638 | 1179 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1180 | unbind_to (specpdl_count, Qnil); |
1181 | ||
88766961 RS |
1182 | /* Now GC cannot happen during the lifetime of the widget_value, |
1183 | so it's safe to store data from a Lisp_String. */ | |
1184 | wv = first_wv->contents; | |
f04366cb | 1185 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1186 | { |
1187 | Lisp_Object string; | |
1188 | string = XVECTOR (items)->contents[i + 1]; | |
1189 | if (NILP (string)) | |
2bf436c3 | 1190 | break; |
ec867797 | 1191 | wv->name = (char *) SDATA (string); |
2bf436c3 JD |
1192 | update_submenu_strings (wv->contents); |
1193 | wv = wv->next; | |
88766961 RS |
1194 | } |
1195 | ||
4d19cb8e | 1196 | } |
88766961 RS |
1197 | else |
1198 | { | |
1199 | /* Make a widget-value tree containing | |
1200 | just the top level menu bar strings. */ | |
4d19cb8e | 1201 | |
ced89c24 RS |
1202 | wv = xmalloc_widget_value (); |
1203 | wv->name = "menubar"; | |
1204 | wv->value = 0; | |
1205 | wv->enabled = 1; | |
1206 | wv->button_type = BUTTON_TYPE_NONE; | |
1207 | wv->help = Qnil; | |
1208 | first_wv = wv; | |
1209 | ||
88766961 | 1210 | items = FRAME_MENU_BAR_ITEMS (f); |
f04366cb | 1211 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1212 | { |
1213 | Lisp_Object string; | |
1214 | ||
1215 | string = XVECTOR (items)->contents[i + 1]; | |
1216 | if (NILP (string)) | |
1217 | break; | |
1218 | ||
f7fab165 | 1219 | wv = xmalloc_widget_value (); |
d5db4077 | 1220 | wv->name = (char *) SDATA (string); |
88766961 RS |
1221 | wv->value = 0; |
1222 | wv->enabled = 1; | |
3427a3db | 1223 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1224 | wv->help = Qnil; |
fe8fa62f RS |
1225 | /* This prevents lwlib from assuming this |
1226 | menu item is really supposed to be empty. */ | |
1227 | /* The EMACS_INT cast avoids a warning. | |
1228 | This value just has to be different from small integers. */ | |
1229 | wv->call_data = (void *) (EMACS_INT) (-1); | |
88766961 | 1230 | |
177c0ea7 | 1231 | if (prev_wv) |
88766961 RS |
1232 | prev_wv->next = wv; |
1233 | else | |
1234 | first_wv->contents = wv; | |
1235 | prev_wv = wv; | |
1236 | } | |
62555c22 RS |
1237 | |
1238 | /* Forget what we thought we knew about what is in the | |
1239 | detailed contents of the menu bar menus. | |
1240 | Changing the top level always destroys the contents. */ | |
1241 | f->menu_bar_items_used = 0; | |
88766961 | 1242 | } |
4dedbfe0 | 1243 | |
88766961 | 1244 | /* Create or update the menu bar widget. */ |
aa669def RS |
1245 | |
1246 | BLOCK_INPUT; | |
1247 | ||
488dd4c4 JD |
1248 | #ifdef USE_GTK |
1249 | xg_crazy_callback_abort = 1; | |
1250 | if (menubar_widget) | |
1251 | { | |
6b61353c | 1252 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1253 | menu trees we supply, rather than just the menu bar item names. */ |
1254 | xg_modify_menubar_widgets (menubar_widget, | |
1255 | f, | |
1256 | first_wv, | |
1257 | deep_p, | |
1258 | G_CALLBACK (menubar_selection_callback), | |
1259 | G_CALLBACK (popup_deactivate_callback), | |
1260 | G_CALLBACK (menu_highlight_callback)); | |
1261 | } | |
1262 | else | |
1263 | { | |
1264 | GtkWidget *wvbox = f->output_data.x->vbox_widget; | |
177c0ea7 | 1265 | |
488dd4c4 | 1266 | menubar_widget |
177c0ea7 | 1267 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1268 | G_CALLBACK (menubar_selection_callback), |
1269 | G_CALLBACK (popup_deactivate_callback), | |
1270 | G_CALLBACK (menu_highlight_callback)); | |
1271 | ||
1272 | f->output_data.x->menubar_widget = menubar_widget; | |
1273 | } | |
1274 | ||
177c0ea7 | 1275 | |
488dd4c4 | 1276 | #else /* not USE_GTK */ |
18686d47 | 1277 | if (menubar_widget) |
4dedbfe0 PR |
1278 | { |
1279 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1280 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1281 | |
1282 | /* The third arg is DEEP_P, which says to consider the entire | |
1283 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1284 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1285 | |
c98fcf4b | 1286 | /* Re-enable the edit widget to resize. */ |
7556890b | 1287 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1288 | } |
18686d47 RS |
1289 | else |
1290 | { | |
9f6fcdc5 JD |
1291 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1292 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1293 | ||
177c0ea7 | 1294 | menubar_widget = lw_create_widget ("menubar", "menubar", id, first_wv, |
7556890b | 1295 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1296 | 0, |
1297 | popup_activate_callback, | |
1298 | menubar_selection_callback, | |
850df50b GM |
1299 | popup_deactivate_callback, |
1300 | menu_highlight_callback); | |
7556890b | 1301 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1302 | |
1303 | /* Make menu pop down on C-g. */ | |
1304 | XtOverrideTranslations (menubar_widget, override); | |
99852628 | 1305 | apply_systemfont_to_menu (menubar_widget); |
18686d47 | 1306 | } |
1d1c1567 KH |
1307 | |
1308 | { | |
177c0ea7 | 1309 | int menubar_size |
7556890b RS |
1310 | = (f->output_data.x->menubar_widget |
1311 | ? (f->output_data.x->menubar_widget->core.height | |
1312 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1313 | : 0); |
1314 | ||
5c646d5a JD |
1315 | #if 1 /* Experimentally, we now get the right results |
1316 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1317 | Maybe so, but the menu bar size is missing the pixels so the | |
1318 | WM size hints are off by theses pixel. Jan D, oct 2009. */ | |
5ee80bd3 | 1319 | #ifdef USE_LUCID |
1d1c1567 KH |
1320 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1321 | { | |
1322 | Dimension ibw = 0; | |
7556890b | 1323 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1324 | XtNinternalBorderWidth, &ibw, NULL); |
1325 | menubar_size += ibw; | |
1326 | } | |
5ee80bd3 | 1327 | #endif /* USE_LUCID */ |
5c646d5a | 1328 | #endif /* 1 */ |
1d1c1567 | 1329 | |
7556890b | 1330 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1331 | } |
488dd4c4 | 1332 | #endif /* not USE_GTK */ |
177c0ea7 | 1333 | |
18686d47 | 1334 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1335 | update_frame_menubar (f); |
18686d47 | 1336 | |
488dd4c4 JD |
1337 | #ifdef USE_GTK |
1338 | xg_crazy_callback_abort = 0; | |
1339 | #endif | |
1340 | ||
18686d47 RS |
1341 | UNBLOCK_INPUT; |
1342 | } | |
85f487d1 | 1343 | |
8e6208c5 | 1344 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1345 | before it is mapped, so that the window is mapped with the menubar already |
1346 | there instead of us tacking it on later and thrashing the window after it | |
1347 | is visible. */ | |
1348 | ||
1349 | void | |
1350 | initialize_frame_menubar (f) | |
1351 | FRAME_PTR f; | |
1352 | { | |
1353 | /* This function is called before the first chance to redisplay | |
1354 | the frame. It has to be, so the frame will have the right size. */ | |
1355 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); | |
88766961 | 1356 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1357 | } |
1358 | ||
aba25348 | 1359 | |
4dedbfe0 | 1360 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1361 | This is used when deleting a frame, and when turning off the menu bar. |
1362 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1363 | |
488dd4c4 | 1364 | #ifndef USE_GTK |
85f487d1 FP |
1365 | void |
1366 | free_frame_menubar (f) | |
1367 | FRAME_PTR f; | |
1368 | { | |
1369 | Widget menubar_widget; | |
85f487d1 | 1370 | |
62af879c KL |
1371 | if (! FRAME_X_P (f)) |
1372 | abort (); | |
1373 | ||
7556890b | 1374 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1375 | |
1376 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1377 | |
85f487d1 FP |
1378 | if (menubar_widget) |
1379 | { | |
aba25348 GM |
1380 | #ifdef USE_MOTIF |
1381 | /* Removing the menu bar magically changes the shell widget's x | |
1382 | and y position of (0, 0) which, when the menu bar is turned | |
1383 | on again, leads to pull-down menuss appearing in strange | |
1384 | positions near the upper-left corner of the display. This | |
1385 | happens only with some window managers like twm and ctwm, | |
1386 | but not with other like Motif's mwm or kwm, because the | |
1387 | latter generate ConfigureNotify events when the menu bar | |
1388 | is switched off, which fixes the shell position. */ | |
1389 | Position x0, y0, x1, y1; | |
1390 | #endif | |
177c0ea7 | 1391 | |
85f487d1 | 1392 | BLOCK_INPUT; |
aba25348 GM |
1393 | |
1394 | #ifdef USE_MOTIF | |
ae556422 GM |
1395 | if (f->output_data.x->widget) |
1396 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1397 | #endif |
177c0ea7 | 1398 | |
7556890b | 1399 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1400 | f->output_data.x->menubar_widget = NULL; |
aba25348 GM |
1401 | |
1402 | #ifdef USE_MOTIF | |
ae556422 GM |
1403 | if (f->output_data.x->widget) |
1404 | { | |
1405 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); | |
1406 | if (x1 == 0 && y1 == 0) | |
1407 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
1408 | } | |
aba25348 | 1409 | #endif |
177c0ea7 | 1410 | |
85f487d1 FP |
1411 | UNBLOCK_INPUT; |
1412 | } | |
1413 | } | |
488dd4c4 | 1414 | #endif /* not USE_GTK */ |
78589e07 | 1415 | |
488dd4c4 | 1416 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1417 | \f |
1418 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1419 | and returns the value selected from it. | |
1420 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1421 | Both assume input is blocked by the caller. */ | |
1422 | ||
1423 | /* F is the frame the menu is for. | |
1424 | X and Y are the frame-relative specified position, | |
1425 | relative to the inside upper left corner of the frame F. | |
c8b5aa3d | 1426 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
78589e07 RS |
1427 | KEYMAPS is 1 if this menu was specified with keymaps; |
1428 | in that case, we return a list containing the chosen item's value | |
1429 | and perhaps also the pane's prefix. | |
1430 | TITLE is the specified menu title. | |
1431 | ERROR is a place to store an error message string in case of failure. | |
1432 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1433 | |
488dd4c4 JD |
1434 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1435 | ||
1436 | /* The item selected in the popup menu. */ | |
1437 | static Lisp_Object *volatile menu_item_selection; | |
1438 | ||
1439 | #ifdef USE_GTK | |
1440 | ||
1441 | /* Used when position a popup menu. See menu_position_func and | |
1442 | create_and_show_popup_menu below. */ | |
1443 | struct next_popup_x_y | |
1444 | { | |
7b76ca1c | 1445 | FRAME_PTR f; |
488dd4c4 JD |
1446 | int x; |
1447 | int y; | |
1448 | }; | |
1449 | ||
1450 | /* The menu position function to use if we are not putting a popup | |
1451 | menu where the pointer is. | |
1452 | MENU is the menu to pop up. | |
1453 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1454 | PUSH_IN is not documented in the GTK manual. | |
1455 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1456 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1457 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1458 | |
1459 | Here only X and Y are used. */ | |
1460 | static void | |
1461 | menu_position_func (menu, x, y, push_in, user_data) | |
1462 | GtkMenu *menu; | |
1463 | gint *x; | |
1464 | gint *y; | |
1465 | gboolean *push_in; | |
1466 | gpointer user_data; | |
1467 | { | |
7b76ca1c JD |
1468 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1469 | GtkRequisition req; | |
fd2f80c6 CY |
1470 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1471 | int disp_width = x_display_pixel_width (dpyinfo); | |
1472 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1473 | |
7b76ca1c JD |
1474 | *x = data->x; |
1475 | *y = data->y; | |
1476 | ||
1477 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1478 | the menu is fully visible. */ | |
1479 | gtk_widget_size_request (GTK_WIDGET (menu), &req); | |
1480 | if (data->x + req.width > disp_width) | |
1481 | *x -= data->x + req.width - disp_width; | |
1482 | if (data->y + req.height > disp_height) | |
1483 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1484 | } |
1485 | ||
1486 | static void | |
1487 | popup_selection_callback (widget, client_data) | |
1488 | GtkWidget *widget; | |
1489 | gpointer client_data; | |
1490 | { | |
1491 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1492 | ||
1493 | if (xg_crazy_callback_abort) return; | |
1494 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1495 | } | |
1496 | ||
af89e871 | 1497 | static Lisp_Object |
a130b901 JD |
1498 | pop_down_menu (arg) |
1499 | Lisp_Object arg; | |
af89e871 | 1500 | { |
a130b901 JD |
1501 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1502 | ||
af89e871 | 1503 | popup_activated_flag = 0; |
a130b901 JD |
1504 | BLOCK_INPUT; |
1505 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); | |
1506 | UNBLOCK_INPUT; | |
af89e871 JD |
1507 | return Qnil; |
1508 | } | |
1509 | ||
488dd4c4 JD |
1510 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1511 | menu pops down. | |
1512 | menu_item_selection will be set to the selection. */ | |
1513 | static void | |
a20903d0 | 1514 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp) |
488dd4c4 JD |
1515 | FRAME_PTR f; |
1516 | widget_value *first_wv; | |
1517 | int x; | |
1518 | int y; | |
1519 | int for_click; | |
a20903d0 | 1520 | EMACS_UINT timestamp; |
488dd4c4 JD |
1521 | { |
1522 | int i; | |
1523 | GtkWidget *menu; | |
1524 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1525 | struct next_popup_x_y popup_x_y; | |
af89e871 | 1526 | int specpdl_count = SPECPDL_INDEX (); |
488dd4c4 | 1527 | |
62af879c KL |
1528 | if (! FRAME_X_P (f)) |
1529 | abort (); | |
1530 | ||
488dd4c4 JD |
1531 | xg_crazy_callback_abort = 1; |
1532 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1533 | G_CALLBACK (popup_selection_callback), | |
1534 | G_CALLBACK (popup_deactivate_callback), | |
1535 | G_CALLBACK (menu_highlight_callback)); | |
1536 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1537 | |
488dd4c4 JD |
1538 | if (! for_click) |
1539 | { | |
1540 | /* Not invoked by a click. pop up at x/y. */ | |
1541 | pos_func = menu_position_func; | |
1542 | ||
1543 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1544 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1545 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1546 | |
1547 | popup_x_y.x = x; | |
1548 | popup_x_y.y = y; | |
7b76ca1c | 1549 | popup_x_y.f = f; |
488dd4c4 | 1550 | |
9b85e63d JD |
1551 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1552 | } | |
1553 | else | |
1554 | { | |
1555 | for (i = 0; i < 5; i++) | |
1556 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1557 | break; | |
1558 | } | |
59cfb104 | 1559 | |
488dd4c4 JD |
1560 | /* Display the menu. */ |
1561 | gtk_widget_show_all (menu); | |
c0df13a6 | 1562 | |
a20903d0 | 1563 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
eb99095d | 1564 | timestamp > 0 ? timestamp : gtk_get_current_event_time()); |
177c0ea7 | 1565 | |
a130b901 | 1566 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1567 | |
e547b051 | 1568 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1569 | { |
1570 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1571 | two. show_help_echo uses this to detect popup menus. */ | |
1572 | popup_activated_flag = 1; | |
1573 | /* Process events that apply to the menu. */ | |
1574 | popup_widget_loop (1, menu); | |
1575 | } | |
488dd4c4 | 1576 | |
af89e871 | 1577 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1578 | |
488dd4c4 JD |
1579 | /* Must reset this manually because the button release event is not passed |
1580 | to Emacs event loop. */ | |
1581 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1582 | } | |
1583 | ||
1584 | #else /* not USE_GTK */ | |
18686d47 | 1585 | |
8ed87156 | 1586 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1587 | library. |
1588 | ||
1589 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1590 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1591 | |
88766961 RS |
1592 | For menu bars, we use numbers starting at 0, counted in |
1593 | next_menubar_widget_id. */ | |
8ed87156 | 1594 | LWLIB_ID widget_id_tick; |
165e1749 | 1595 | |
4dedbfe0 PR |
1596 | static void |
1597 | popup_selection_callback (widget, id, client_data) | |
1598 | Widget widget; | |
1599 | LWLIB_ID id; | |
1600 | XtPointer client_data; | |
1601 | { | |
1602 | menu_item_selection = (Lisp_Object *) client_data; | |
1603 | } | |
1604 | ||
af89e871 JD |
1605 | /* ARG is the LWLIB ID of the dialog box, represented |
1606 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1607 | ||
1608 | static Lisp_Object | |
1609 | pop_down_menu (arg) | |
1610 | Lisp_Object arg; | |
1611 | { | |
1612 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1613 | | XINT (XCDR (arg))); | |
1614 | ||
1615 | BLOCK_INPUT; | |
1616 | lw_destroy_all_widgets (id); | |
1617 | UNBLOCK_INPUT; | |
1618 | popup_activated_flag = 0; | |
1619 | ||
1620 | return Qnil; | |
1621 | } | |
1622 | ||
488dd4c4 JD |
1623 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1624 | menu pops down. | |
1625 | menu_item_selection will be set to the selection. */ | |
1626 | static void | |
a20903d0 | 1627 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp) |
488dd4c4 JD |
1628 | FRAME_PTR f; |
1629 | widget_value *first_wv; | |
1630 | int x; | |
1631 | int y; | |
1632 | int for_click; | |
a20903d0 | 1633 | EMACS_UINT timestamp; |
488dd4c4 JD |
1634 | { |
1635 | int i; | |
1636 | Arg av[2]; | |
1637 | int ac = 0; | |
1638 | XButtonPressedEvent dummy; | |
1639 | LWLIB_ID menu_id; | |
1640 | Widget menu; | |
488dd4c4 | 1641 | |
62af879c KL |
1642 | if (! FRAME_X_P (f)) |
1643 | abort (); | |
1644 | ||
488dd4c4 JD |
1645 | menu_id = widget_id_tick++; |
1646 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1647 | f->output_data.x->widget, 1, 0, | |
1648 | popup_selection_callback, | |
1649 | popup_deactivate_callback, | |
1650 | menu_highlight_callback); | |
1651 | ||
99852628 JD |
1652 | apply_systemfont_to_menu (menu); |
1653 | ||
488dd4c4 JD |
1654 | dummy.type = ButtonPress; |
1655 | dummy.serial = 0; | |
1656 | dummy.send_event = 0; | |
1657 | dummy.display = FRAME_X_DISPLAY (f); | |
1658 | dummy.time = CurrentTime; | |
1659 | dummy.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1660 | dummy.window = dummy.root; | |
1661 | dummy.subwindow = dummy.root; | |
1662 | dummy.x = x; | |
1663 | dummy.y = y; | |
1664 | ||
1665 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1666 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1667 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1668 | |
1669 | dummy.x_root = x; | |
1670 | dummy.y_root = y; | |
1671 | ||
1672 | dummy.state = 0; | |
1673 | dummy.button = 0; | |
1674 | for (i = 0; i < 5; i++) | |
1675 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1676 | dummy.button = i; | |
1677 | ||
1678 | /* Don't allow any geometry request from the user. */ | |
1679 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1680 | XtSetValues (menu, av, ac); | |
1681 | ||
1682 | /* Display the menu. */ | |
1683 | lw_popup_menu (menu, (XEvent *) &dummy); | |
1684 | popup_activated_flag = 1; | |
98a20c65 | 1685 | x_activate_timeout_atimer (); |
59cfb104 | 1686 | |
af89e871 JD |
1687 | { |
1688 | int fact = 4 * sizeof (LWLIB_ID); | |
1689 | int specpdl_count = SPECPDL_INDEX (); | |
1690 | record_unwind_protect (pop_down_menu, | |
1691 | Fcons (make_number (menu_id >> (fact)), | |
1692 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1693 | |
af89e871 | 1694 | /* Process events that apply to the menu. */ |
95bdef2e | 1695 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1696 | |
af89e871 JD |
1697 | unbind_to (specpdl_count, Qnil); |
1698 | } | |
488dd4c4 JD |
1699 | } |
1700 | ||
1701 | #endif /* not USE_GTK */ | |
1702 | ||
ef7417fd SM |
1703 | Lisp_Object |
1704 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, | |
1705 | Lisp_Object title, char **error, EMACS_UINT timestamp) | |
18686d47 | 1706 | { |
78589e07 | 1707 | int i; |
78589e07 | 1708 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 RS |
1709 | widget_value **submenu_stack |
1710 | = (widget_value **) alloca (menu_items_used * sizeof (widget_value *)); | |
1711 | Lisp_Object *subprefix_stack | |
1712 | = (Lisp_Object *) alloca (menu_items_used * sizeof (Lisp_Object)); | |
1713 | int submenu_depth = 0; | |
4e8d3549 | 1714 | |
78c8278d RS |
1715 | int first_pane; |
1716 | ||
62af879c KL |
1717 | if (! FRAME_X_P (f)) |
1718 | abort (); | |
1719 | ||
78589e07 RS |
1720 | *error = NULL; |
1721 | ||
742f715d KH |
1722 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1723 | { | |
1724 | *error = "Empty menu"; | |
1725 | return Qnil; | |
1726 | } | |
63c414df | 1727 | |
78589e07 RS |
1728 | /* Create a tree of widget_value objects |
1729 | representing the panes and their items. */ | |
f7fab165 | 1730 | wv = xmalloc_widget_value (); |
78589e07 RS |
1731 | wv->name = "menu"; |
1732 | wv->value = 0; | |
1733 | wv->enabled = 1; | |
3427a3db | 1734 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1735 | wv->help =Qnil; |
78589e07 | 1736 | first_wv = wv; |
78c8278d | 1737 | first_pane = 1; |
177c0ea7 | 1738 | |
78589e07 RS |
1739 | /* Loop over all panes and items, filling in the tree. */ |
1740 | i = 0; | |
1741 | while (i < menu_items_used) | |
1742 | { | |
101bb4a5 RS |
1743 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1744 | { | |
1745 | submenu_stack[submenu_depth++] = save_wv; | |
1746 | save_wv = prev_wv; | |
1747 | prev_wv = 0; | |
78c8278d | 1748 | first_pane = 1; |
101bb4a5 RS |
1749 | i++; |
1750 | } | |
1751 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1752 | { | |
1753 | prev_wv = save_wv; | |
1754 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1755 | first_pane = 0; |
101bb4a5 RS |
1756 | i++; |
1757 | } | |
1758 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt) | |
1759 | && submenu_depth != 0) | |
1760 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1761 | /* Ignore a nil in the item list. |
1762 | It's meaningful only for dialog boxes. */ | |
1763 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1764 | i += 1; | |
101bb4a5 | 1765 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
78589e07 RS |
1766 | { |
1767 | /* Create a new pane. */ | |
1768 | Lisp_Object pane_name, prefix; | |
1769 | char *pane_string; | |
177c0ea7 | 1770 | |
4c329aa8 GM |
1771 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1772 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1773 | |
703dc2a8 | 1774 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1775 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1776 | { | |
8af9fa55 | 1777 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1778 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1779 | } |
703dc2a8 | 1780 | #endif |
78589e07 | 1781 | pane_string = (NILP (pane_name) |
d5db4077 | 1782 | ? "" : (char *) SDATA (pane_name)); |
101bb4a5 | 1783 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1784 | under the top-level menu. */ |
1785 | if (menu_items_n_panes == 1) | |
1786 | pane_string = ""; | |
1787 | ||
1788 | /* If the pane has a meaningful name, | |
1789 | make the pane a top-level menu item | |
1790 | with its items as a submenu beneath it. */ | |
78c8278d | 1791 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1792 | { |
f7fab165 | 1793 | wv = xmalloc_widget_value (); |
78589e07 RS |
1794 | if (save_wv) |
1795 | save_wv->next = wv; | |
1796 | else | |
1797 | first_wv->contents = wv; | |
1798 | wv->name = pane_string; | |
1799 | if (keymaps && !NILP (prefix)) | |
1800 | wv->name++; | |
1801 | wv->value = 0; | |
1802 | wv->enabled = 1; | |
3427a3db | 1803 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1804 | wv->help = Qnil; |
78c8278d RS |
1805 | save_wv = wv; |
1806 | prev_wv = 0; | |
78589e07 | 1807 | } |
78c8278d RS |
1808 | else if (first_pane) |
1809 | { | |
1810 | save_wv = wv; | |
1811 | prev_wv = 0; | |
1812 | } | |
1813 | first_pane = 0; | |
78589e07 RS |
1814 | i += MENU_ITEMS_PANE_LENGTH; |
1815 | } | |
1816 | else | |
1817 | { | |
1818 | /* Create a new item within current pane. */ | |
9cd50434 | 1819 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1820 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1821 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1822 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1823 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1824 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1825 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1826 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1827 | |
703dc2a8 | 1828 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1829 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1830 | { |
646f98ec | 1831 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1832 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1833 | } |
177c0ea7 | 1834 | |
3427a3db | 1835 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1836 | { |
646f98ec | 1837 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1838 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1839 | } |
1840 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1841 | |
f7fab165 | 1842 | wv = xmalloc_widget_value (); |
177c0ea7 | 1843 | if (prev_wv) |
78589e07 | 1844 | prev_wv->next = wv; |
177c0ea7 | 1845 | else |
78589e07 | 1846 | save_wv->contents = wv; |
d5db4077 | 1847 | wv->name = (char *) SDATA (item_name); |
78589e07 | 1848 | if (!NILP (descrip)) |
d5db4077 | 1849 | wv->key = (char *) SDATA (descrip); |
78589e07 | 1850 | wv->value = 0; |
a352a815 RS |
1851 | /* If this item has a null value, |
1852 | make the call_data null so that it won't display a box | |
1853 | when the mouse is on it. */ | |
1854 | wv->call_data | |
1855 | = (!NILP (def) ? (void *) &XVECTOR (menu_items)->contents[i] : 0); | |
78589e07 | 1856 | wv->enabled = !NILP (enable); |
3427a3db GM |
1857 | |
1858 | if (NILP (type)) | |
1859 | wv->button_type = BUTTON_TYPE_NONE; | |
1860 | else if (EQ (type, QCtoggle)) | |
1861 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1862 | else if (EQ (type, QCradio)) | |
1863 | wv->button_type = BUTTON_TYPE_RADIO; | |
1864 | else | |
1865 | abort (); | |
1866 | ||
1867 | wv->selected = !NILP (selected); | |
cc45fb40 | 1868 | |
0b1f4572 RS |
1869 | if (! STRINGP (help)) |
1870 | help = Qnil; | |
1871 | ||
1872 | wv->help = help; | |
cc45fb40 | 1873 | |
78589e07 RS |
1874 | prev_wv = wv; |
1875 | ||
1876 | i += MENU_ITEMS_ITEM_LENGTH; | |
1877 | } | |
1878 | } | |
1879 | ||
c98fcf4b | 1880 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1881 | if (!NILP (title)) |
1882 | { | |
f7fab165 RS |
1883 | widget_value *wv_title = xmalloc_widget_value (); |
1884 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1885 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1886 | |
1887 | wv_sep2->name = "--"; | |
1888 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1889 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1890 | |
1891 | wv_sep1->name = "--"; | |
1892 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1893 | wv_sep1->help = Qnil; |
4dedbfe0 | 1894 | |
703dc2a8 KH |
1895 | #ifndef HAVE_MULTILINGUAL_MENU |
1896 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1897 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1898 | #endif |
177c0ea7 | 1899 | |
d5db4077 | 1900 | wv_title->name = (char *) SDATA (title); |
cc45fb40 | 1901 | wv_title->enabled = TRUE; |
3427a3db | 1902 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1903 | wv_title->help = Qnil; |
a9d8395f | 1904 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1905 | first_wv->contents = wv_title; |
1906 | } | |
1907 | ||
78589e07 RS |
1908 | /* No selection has been chosen yet. */ |
1909 | menu_item_selection = 0; | |
1910 | ||
488dd4c4 | 1911 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1912 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1913 | |
488dd4c4 JD |
1914 | /* Free the widget_value objects we used to specify the contents. */ |
1915 | free_menubar_widget_value_tree (first_wv); | |
18686d47 | 1916 | |
78589e07 RS |
1917 | /* Find the selected item, and its pane, to return |
1918 | the proper value. */ | |
1919 | if (menu_item_selection != 0) | |
1920 | { | |
c63f6952 | 1921 | Lisp_Object prefix, entry; |
78589e07 | 1922 | |
6bbd7a29 | 1923 | prefix = entry = Qnil; |
78589e07 RS |
1924 | i = 0; |
1925 | while (i < menu_items_used) | |
1926 | { | |
101bb4a5 RS |
1927 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1928 | { | |
1929 | subprefix_stack[submenu_depth++] = prefix; | |
1930 | prefix = entry; | |
1931 | i++; | |
1932 | } | |
1933 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1934 | { | |
1935 | prefix = subprefix_stack[--submenu_depth]; | |
1936 | i++; | |
1937 | } | |
1938 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
78589e07 RS |
1939 | { |
1940 | prefix | |
1941 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
1942 | i += MENU_ITEMS_PANE_LENGTH; | |
1943 | } | |
d31d42cc RS |
1944 | /* Ignore a nil in the item list. |
1945 | It's meaningful only for dialog boxes. */ | |
1946 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1947 | i += 1; | |
78589e07 RS |
1948 | else |
1949 | { | |
1950 | entry | |
1951 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
1952 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
1953 | { | |
1954 | if (keymaps != 0) | |
1955 | { | |
101bb4a5 RS |
1956 | int j; |
1957 | ||
78589e07 RS |
1958 | entry = Fcons (entry, Qnil); |
1959 | if (!NILP (prefix)) | |
1960 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1961 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1962 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1963 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1964 | } |
1965 | return entry; | |
1966 | } | |
1967 | i += MENU_ITEMS_ITEM_LENGTH; | |
1968 | } | |
1969 | } | |
1970 | } | |
be6ed24a RS |
1971 | else if (!for_click) |
1972 | /* Make "Cancel" equivalent to C-g. */ | |
1973 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1974 | |
1975 | return Qnil; | |
18686d47 | 1976 | } |
4dedbfe0 | 1977 | \f |
488dd4c4 JD |
1978 | #ifdef USE_GTK |
1979 | static void | |
1980 | dialog_selection_callback (widget, client_data) | |
1981 | GtkWidget *widget; | |
1982 | gpointer client_data; | |
1983 | { | |
1984 | /* The EMACS_INT cast avoids a warning. There's no problem | |
1985 | as long as pointers have enough bits to hold small integers. */ | |
1986 | if ((int) (EMACS_INT) client_data != -1) | |
1987 | menu_item_selection = (Lisp_Object *) client_data; | |
1988 | ||
1989 | popup_activated_flag = 0; | |
1990 | } | |
1991 | ||
1992 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1993 | dialog pops down. | |
1994 | menu_item_selection will be set to the selection. */ | |
1995 | static void | |
1996 | create_and_show_dialog (f, first_wv) | |
1997 | FRAME_PTR f; | |
1998 | widget_value *first_wv; | |
1999 | { | |
2000 | GtkWidget *menu; | |
2001 | ||
62af879c KL |
2002 | if (! FRAME_X_P (f)) |
2003 | abort (); | |
2004 | ||
488dd4c4 JD |
2005 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
2006 | G_CALLBACK (dialog_selection_callback), | |
2007 | G_CALLBACK (popup_deactivate_callback), | |
2008 | 0); | |
2009 | ||
2010 | if (menu) | |
2011 | { | |
af89e871 | 2012 | int specpdl_count = SPECPDL_INDEX (); |
a130b901 | 2013 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 2014 | |
488dd4c4 JD |
2015 | /* Display the menu. */ |
2016 | gtk_widget_show_all (menu); | |
2017 | ||
2018 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 2019 | popup_widget_loop (1, menu); |
177c0ea7 | 2020 | |
af89e871 | 2021 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
2022 | } |
2023 | } | |
2024 | ||
2025 | #else /* not USE_GTK */ | |
4dedbfe0 PR |
2026 | static void |
2027 | dialog_selection_callback (widget, id, client_data) | |
2028 | Widget widget; | |
2029 | LWLIB_ID id; | |
2030 | XtPointer client_data; | |
2031 | { | |
01d5e892 RS |
2032 | /* The EMACS_INT cast avoids a warning. There's no problem |
2033 | as long as pointers have enough bits to hold small integers. */ | |
2034 | if ((int) (EMACS_INT) client_data != -1) | |
4dedbfe0 | 2035 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 2036 | |
4dedbfe0 PR |
2037 | BLOCK_INPUT; |
2038 | lw_destroy_all_widgets (id); | |
2039 | UNBLOCK_INPUT; | |
9572375b | 2040 | popup_activated_flag = 0; |
4dedbfe0 | 2041 | } |
18686d47 | 2042 | |
488dd4c4 | 2043 | |
488dd4c4 JD |
2044 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
2045 | dialog pops down. | |
2046 | menu_item_selection will be set to the selection. */ | |
2047 | static void | |
2048 | create_and_show_dialog (f, first_wv) | |
2049 | FRAME_PTR f; | |
2050 | widget_value *first_wv; | |
2051 | { | |
2052 | LWLIB_ID dialog_id; | |
2053 | ||
62af879c KL |
2054 | if (!FRAME_X_P (f)) |
2055 | abort(); | |
2056 | ||
488dd4c4 | 2057 | dialog_id = widget_id_tick++; |
1ecb2d3f JD |
2058 | #ifdef HAVE_XFT |
2059 | apply_systemfont_to_dialog (f->output_data.x->widget); | |
2060 | #endif | |
488dd4c4 JD |
2061 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
2062 | f->output_data.x->widget, 1, 0, | |
2063 | dialog_selection_callback, 0, 0); | |
2064 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
2065 | /* Display the dialog box. */ |
2066 | lw_pop_up_all_widgets (dialog_id); | |
2067 | popup_activated_flag = 1; | |
98a20c65 | 2068 | x_activate_timeout_atimer (); |
488dd4c4 JD |
2069 | |
2070 | /* Process events that apply to the dialog box. | |
2071 | Also handle timers. */ | |
2072 | { | |
2073 | int count = SPECPDL_INDEX (); | |
2074 | int fact = 4 * sizeof (LWLIB_ID); | |
177c0ea7 | 2075 | |
488dd4c4 | 2076 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 2077 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
2078 | Fcons (make_number (dialog_id >> (fact)), |
2079 | make_number (dialog_id & ~(-1 << (fact))))); | |
2080 | ||
df470e3b | 2081 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 2082 | dialog_id, 1); |
488dd4c4 JD |
2083 | |
2084 | unbind_to (count, Qnil); | |
2085 | } | |
2086 | } | |
2087 | ||
2088 | #endif /* not USE_GTK */ | |
2089 | ||
165e1749 FP |
2090 | static char * button_names [] = { |
2091 | "button1", "button2", "button3", "button4", "button5", | |
2092 | "button6", "button7", "button8", "button9", "button10" }; | |
2093 | ||
2094 | static Lisp_Object | |
6a040d6a | 2095 | xdialog_show (f, keymaps, title, header, error_name) |
165e1749 | 2096 | FRAME_PTR f; |
165e1749 | 2097 | int keymaps; |
6a040d6a NR |
2098 | Lisp_Object title, header; |
2099 | char **error_name; | |
165e1749 FP |
2100 | { |
2101 | int i, nb_buttons=0; | |
80670155 | 2102 | char dialog_name[6]; |
165e1749 | 2103 | |
faa935b6 | 2104 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 2105 | |
fcaa7665 RS |
2106 | /* Number of elements seen so far, before boundary. */ |
2107 | int left_count = 0; | |
2108 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
2109 | int boundary_seen = 0; | |
2110 | ||
62af879c KL |
2111 | if (! FRAME_X_P (f)) |
2112 | abort (); | |
2113 | ||
6a040d6a | 2114 | *error_name = NULL; |
165e1749 | 2115 | |
80670155 RS |
2116 | if (menu_items_n_panes > 1) |
2117 | { | |
6a040d6a | 2118 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2119 | return Qnil; |
2120 | } | |
2121 | ||
165e1749 FP |
2122 | /* Create a tree of widget_value objects |
2123 | representing the text label and buttons. */ | |
2124 | { | |
2125 | Lisp_Object pane_name, prefix; | |
2126 | char *pane_string; | |
2127 | pane_name = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME]; | |
2128 | prefix = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_PREFIX]; | |
2129 | pane_string = (NILP (pane_name) | |
177c0ea7 | 2130 | ? "" : (char *) SDATA (pane_name)); |
f7fab165 | 2131 | prev_wv = xmalloc_widget_value (); |
165e1749 FP |
2132 | prev_wv->value = pane_string; |
2133 | if (keymaps && !NILP (prefix)) | |
2134 | prev_wv->name++; | |
2135 | prev_wv->enabled = 1; | |
2136 | prev_wv->name = "message"; | |
27ad7b52 | 2137 | prev_wv->help = Qnil; |
165e1749 | 2138 | first_wv = prev_wv; |
177c0ea7 | 2139 | |
165e1749 FP |
2140 | /* Loop over all panes and items, filling in the tree. */ |
2141 | i = MENU_ITEMS_PANE_LENGTH; | |
2142 | while (i < menu_items_used) | |
2143 | { | |
177c0ea7 | 2144 | |
165e1749 FP |
2145 | /* Create a new item within current pane. */ |
2146 | Lisp_Object item_name, enable, descrip; | |
2147 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2148 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2149 | descrip | |
2150 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
177c0ea7 | 2151 | |
80670155 RS |
2152 | if (NILP (item_name)) |
2153 | { | |
2154 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2155 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2156 | return Qnil; |
2157 | } | |
fcaa7665 RS |
2158 | if (EQ (item_name, Qquote)) |
2159 | { | |
2160 | /* This is the boundary between left-side elts | |
2161 | and right-side elts. Stop incrementing right_count. */ | |
2162 | boundary_seen = 1; | |
2163 | i++; | |
2164 | continue; | |
2165 | } | |
86e71abf | 2166 | if (nb_buttons >= 9) |
80670155 RS |
2167 | { |
2168 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2169 | *error_name = "Too many dialog items"; |
80670155 RS |
2170 | return Qnil; |
2171 | } | |
2172 | ||
f7fab165 | 2173 | wv = xmalloc_widget_value (); |
165e1749 | 2174 | prev_wv->next = wv; |
80670155 | 2175 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2176 | if (!NILP (descrip)) |
d5db4077 KR |
2177 | wv->key = (char *) SDATA (descrip); |
2178 | wv->value = (char *) SDATA (item_name); | |
165e1749 FP |
2179 | wv->call_data = (void *) &XVECTOR (menu_items)->contents[i]; |
2180 | wv->enabled = !NILP (enable); | |
27ad7b52 | 2181 | wv->help = Qnil; |
165e1749 FP |
2182 | prev_wv = wv; |
2183 | ||
fcaa7665 RS |
2184 | if (! boundary_seen) |
2185 | left_count++; | |
2186 | ||
165e1749 FP |
2187 | nb_buttons++; |
2188 | i += MENU_ITEMS_ITEM_LENGTH; | |
2189 | } | |
2190 | ||
fcaa7665 RS |
2191 | /* If the boundary was not specified, |
2192 | by default put half on the left and half on the right. */ | |
2193 | if (! boundary_seen) | |
2194 | left_count = nb_buttons - nb_buttons / 2; | |
2195 | ||
f7fab165 | 2196 | wv = xmalloc_widget_value (); |
80670155 | 2197 | wv->name = dialog_name; |
27ad7b52 | 2198 | wv->help = Qnil; |
6a040d6a NR |
2199 | |
2200 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2201 | Can also have 'E' = Error if, one day, we want | |
2202 | a popup for errors. */ | |
2203 | if (NILP(header)) | |
2204 | dialog_name[0] = 'Q'; | |
2205 | else | |
2206 | dialog_name[0] = 'I'; | |
2207 | ||
80670155 RS |
2208 | /* Dialog boxes use a really stupid name encoding |
2209 | which specifies how many buttons to use | |
6a040d6a | 2210 | and how many buttons are on the right. */ |
80670155 RS |
2211 | dialog_name[1] = '0' + nb_buttons; |
2212 | dialog_name[2] = 'B'; | |
2213 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2214 | /* Number of buttons to put on the right. */ |
2215 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2216 | dialog_name[5] = 0; |
165e1749 FP |
2217 | wv->contents = first_wv; |
2218 | first_wv = wv; | |
165e1749 FP |
2219 | } |
2220 | ||
165e1749 FP |
2221 | /* No selection has been chosen yet. */ |
2222 | menu_item_selection = 0; | |
2223 | ||
488dd4c4 JD |
2224 | /* Actually create and show the dialog. */ |
2225 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2226 | |
488dd4c4 JD |
2227 | /* Free the widget_value objects we used to specify the contents. */ |
2228 | free_menubar_widget_value_tree (first_wv); | |
177c0ea7 | 2229 | |
488dd4c4 JD |
2230 | /* Find the selected item, and its pane, to return |
2231 | the proper value. */ | |
165e1749 FP |
2232 | if (menu_item_selection != 0) |
2233 | { | |
2234 | Lisp_Object prefix; | |
2235 | ||
2236 | prefix = Qnil; | |
2237 | i = 0; | |
2238 | while (i < menu_items_used) | |
2239 | { | |
2240 | Lisp_Object entry; | |
2241 | ||
2242 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
2243 | { | |
2244 | prefix | |
2245 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2246 | i += MENU_ITEMS_PANE_LENGTH; | |
2247 | } | |
85996cfb GM |
2248 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) |
2249 | { | |
2250 | /* This is the boundary between left-side elts and | |
2251 | right-side elts. */ | |
2252 | ++i; | |
2253 | } | |
165e1749 FP |
2254 | else |
2255 | { | |
2256 | entry | |
2257 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2258 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
2259 | { | |
2260 | if (keymaps != 0) | |
2261 | { | |
2262 | entry = Fcons (entry, Qnil); | |
2263 | if (!NILP (prefix)) | |
2264 | entry = Fcons (prefix, entry); | |
2265 | } | |
2266 | return entry; | |
2267 | } | |
2268 | i += MENU_ITEMS_ITEM_LENGTH; | |
2269 | } | |
2270 | } | |
2271 | } | |
9f6fcdc5 JD |
2272 | else |
2273 | /* Make "Cancel" equivalent to C-g. */ | |
2274 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2275 | |
2276 | return Qnil; | |
2277 | } | |
ba461919 | 2278 | |
488dd4c4 | 2279 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2280 | |
3e703b25 GM |
2281 | /* The frame of the last activated non-toolkit menu bar. |
2282 | Used to generate menu help events. */ | |
2283 | ||
2284 | static struct frame *menu_help_frame; | |
2285 | ||
2286 | ||
62145073 GM |
2287 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2288 | ||
2289 | PANE is the pane number, and ITEM is the menu item number in | |
2290 | the menu (currently not used). | |
177c0ea7 | 2291 | |
62145073 GM |
2292 | This cannot be done with generating a HELP_EVENT because |
2293 | XMenuActivate contains a loop that doesn't let Emacs process | |
2294 | keyboard events. */ | |
3e703b25 GM |
2295 | |
2296 | static void | |
62145073 | 2297 | menu_help_callback (help_string, pane, item) |
3e703b25 | 2298 | char *help_string; |
62145073 | 2299 | int pane, item; |
3e703b25 | 2300 | { |
62145073 GM |
2301 | extern Lisp_Object Qmenu_item; |
2302 | Lisp_Object *first_item; | |
2303 | Lisp_Object pane_name; | |
2304 | Lisp_Object menu_object; | |
177c0ea7 | 2305 | |
62145073 GM |
2306 | first_item = XVECTOR (menu_items)->contents; |
2307 | if (EQ (first_item[0], Qt)) | |
2308 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2309 | else if (EQ (first_item[0], Qquote)) | |
2310 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2311 | pane_name = empty_unibyte_string; |
62145073 GM |
2312 | else |
2313 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2314 | |
62145073 GM |
2315 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2316 | menu_object = Fcons (Qmenu_item, | |
2317 | Fcons (pane_name, | |
2318 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2319 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
62145073 | 2320 | Qnil, menu_object, make_number (item), 1); |
3e703b25 | 2321 | } |
177c0ea7 | 2322 | |
af89e871 | 2323 | static Lisp_Object |
a130b901 JD |
2324 | pop_down_menu (arg) |
2325 | Lisp_Object arg; | |
af89e871 | 2326 | { |
a130b901 JD |
2327 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2328 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2329 | |
a130b901 JD |
2330 | FRAME_PTR f = p1->pointer; |
2331 | XMenu *menu = p2->pointer; | |
af89e871 JD |
2332 | |
2333 | BLOCK_INPUT; | |
af89e871 | 2334 | #ifndef MSDOS |
a130b901 JD |
2335 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2336 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2337 | #endif |
a130b901 | 2338 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2339 | |
2340 | #ifdef HAVE_X_WINDOWS | |
2341 | /* Assume the mouse has moved out of the X window. | |
2342 | If it has actually moved in, we will get an EnterNotify. */ | |
2343 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2344 | ||
2345 | /* State that no mouse buttons are now held. | |
2346 | (The oldXMenu code doesn't track this info for us.) | |
2347 | That is not necessarily true, but the fiction leads to reasonable | |
2348 | results, and it is a pain to ask which are actually held now. */ | |
2349 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2350 | ||
2351 | #endif /* HAVE_X_WINDOWS */ | |
2352 | ||
2353 | UNBLOCK_INPUT; | |
2354 | ||
2355 | return Qnil; | |
2356 | } | |
2357 | ||
3e703b25 | 2358 | |
1fb99a3a | 2359 | Lisp_Object |
a20903d0 | 2360 | xmenu_show (f, x, y, for_click, keymaps, title, error, timestamp) |
78589e07 RS |
2361 | FRAME_PTR f; |
2362 | int x, y; | |
9685a93f RS |
2363 | int for_click; |
2364 | int keymaps; | |
78589e07 RS |
2365 | Lisp_Object title; |
2366 | char **error; | |
a20903d0 | 2367 | EMACS_UINT timestamp; |
dcfdbac7 | 2368 | { |
177c0ea7 | 2369 | Window root; |
78589e07 RS |
2370 | XMenu *menu; |
2371 | int pane, selidx, lpane, status; | |
2372 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2373 | char *datap; |
2374 | int ulx, uly, width, height; | |
2375 | int dispwidth, dispheight; | |
453a4f1b | 2376 | int i, j, lines, maxlines; |
4e8d3549 | 2377 | int maxwidth; |
78589e07 RS |
2378 | int dummy_int; |
2379 | unsigned int dummy_uint; | |
af89e871 | 2380 | int specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2381 | |
a9e1244d | 2382 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
62af879c KL |
2383 | abort (); |
2384 | ||
07a675b7 | 2385 | *error = 0; |
78589e07 RS |
2386 | if (menu_items_n_panes == 0) |
2387 | return Qnil; | |
088831f6 | 2388 | |
742f715d KH |
2389 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2390 | { | |
2391 | *error = "Empty menu"; | |
2392 | return Qnil; | |
2393 | } | |
2394 | ||
78589e07 | 2395 | /* Figure out which root window F is on. */ |
92280f67 | 2396 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2397 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2398 | &dummy_uint, &dummy_uint); | |
18686d47 | 2399 | |
78589e07 | 2400 | /* Make the menu on that window. */ |
92280f67 | 2401 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2402 | if (menu == NULL) |
dcfdbac7 JB |
2403 | { |
2404 | *error = "Can't create menu"; | |
78589e07 | 2405 | return Qnil; |
dcfdbac7 | 2406 | } |
78589e07 | 2407 | |
d130d129 RS |
2408 | /* Don't GC while we prepare and show the menu, |
2409 | because we give the oldxmenu library pointers to the | |
2410 | contents of strings. */ | |
2411 | inhibit_garbage_collection (); | |
2412 | ||
87485d6f | 2413 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2414 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2415 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2416 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2417 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2418 | |
2419 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2420 | x += f->left_pos; |
2421 | y += f->top_pos; | |
177c0ea7 | 2422 | |
78589e07 | 2423 | /* Create all the necessary panes and their items. */ |
453a4f1b | 2424 | maxlines = lines = i = 0; |
78589e07 | 2425 | while (i < menu_items_used) |
dcfdbac7 | 2426 | { |
78589e07 | 2427 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
dcfdbac7 | 2428 | { |
78589e07 RS |
2429 | /* Create a new pane. */ |
2430 | Lisp_Object pane_name, prefix; | |
2431 | char *pane_string; | |
2432 | ||
453a4f1b JD |
2433 | maxlines = max (maxlines, lines); |
2434 | lines = 0; | |
78589e07 RS |
2435 | pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME]; |
2436 | prefix = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2437 | pane_string = (NILP (pane_name) | |
d5db4077 | 2438 | ? "" : (char *) SDATA (pane_name)); |
78589e07 RS |
2439 | if (keymaps && !NILP (prefix)) |
2440 | pane_string++; | |
2441 | ||
92280f67 | 2442 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2443 | if (lpane == XM_FAILURE) |
2444 | { | |
92280f67 | 2445 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
78589e07 RS |
2446 | *error = "Can't create pane"; |
2447 | return Qnil; | |
2448 | } | |
2449 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2450 | |
2451 | /* Find the width of the widest item in this pane. */ | |
2452 | maxwidth = 0; | |
2453 | j = i; | |
2454 | while (j < menu_items_used) | |
2455 | { | |
2456 | Lisp_Object item; | |
2457 | item = XVECTOR (menu_items)->contents[j]; | |
2458 | if (EQ (item, Qt)) | |
2459 | break; | |
2460 | if (NILP (item)) | |
2461 | { | |
2462 | j++; | |
2463 | continue; | |
2464 | } | |
d5db4077 | 2465 | width = SBYTES (item); |
4e8d3549 RS |
2466 | if (width > maxwidth) |
2467 | maxwidth = width; | |
2468 | ||
2469 | j += MENU_ITEMS_ITEM_LENGTH; | |
2470 | } | |
dcfdbac7 | 2471 | } |
fcaa7665 RS |
2472 | /* Ignore a nil in the item list. |
2473 | It's meaningful only for dialog boxes. */ | |
2474 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
2475 | i += 1; | |
78589e07 | 2476 | else |
dcfdbac7 | 2477 | { |
78589e07 | 2478 | /* Create a new item within current pane. */ |
3e703b25 | 2479 | Lisp_Object item_name, enable, descrip, help; |
4e8d3549 | 2480 | unsigned char *item_data; |
3e703b25 | 2481 | char *help_string; |
78589e07 RS |
2482 | |
2483 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2484 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2485 | descrip | |
2486 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
3e703b25 | 2487 | help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP]; |
d5db4077 | 2488 | help_string = STRINGP (help) ? SDATA (help) : NULL; |
177c0ea7 | 2489 | |
78589e07 | 2490 | if (!NILP (descrip)) |
4e8d3549 | 2491 | { |
d5db4077 | 2492 | int gap = maxwidth - SBYTES (item_name); |
4e8d3549 RS |
2493 | /* if alloca is fast, use that to make the space, |
2494 | to reduce gc needs. */ | |
2495 | item_data | |
2496 | = (unsigned char *) alloca (maxwidth | |
d5db4077 KR |
2497 | + SBYTES (descrip) + 1); |
2498 | bcopy (SDATA (item_name), item_data, | |
2499 | SBYTES (item_name)); | |
2500 | for (j = SCHARS (item_name); j < maxwidth; j++) | |
4e8d3549 | 2501 | item_data[j] = ' '; |
d5db4077 KR |
2502 | bcopy (SDATA (descrip), item_data + j, |
2503 | SBYTES (descrip)); | |
2504 | item_data[j + SBYTES (descrip)] = 0; | |
4e8d3549 RS |
2505 | } |
2506 | else | |
d5db4077 | 2507 | item_data = SDATA (item_name); |
78589e07 | 2508 | |
92280f67 RS |
2509 | if (XMenuAddSelection (FRAME_X_DISPLAY (f), |
2510 | menu, lpane, 0, item_data, | |
3e703b25 | 2511 | !NILP (enable), help_string) |
dcfdbac7 JB |
2512 | == XM_FAILURE) |
2513 | { | |
92280f67 | 2514 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
dcfdbac7 | 2515 | *error = "Can't add selection to menu"; |
78589e07 | 2516 | return Qnil; |
dcfdbac7 | 2517 | } |
78589e07 | 2518 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2519 | lines++; |
dcfdbac7 JB |
2520 | } |
2521 | } | |
4e8d3549 | 2522 | |
453a4f1b JD |
2523 | maxlines = max (maxlines, lines); |
2524 | ||
78589e07 | 2525 | /* All set and ready to fly. */ |
92280f67 | 2526 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2527 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2528 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2529 | x = min (x, dispwidth); |
2530 | y = min (y, dispheight); | |
2531 | x = max (x, 1); | |
2532 | y = max (y, 1); | |
92280f67 | 2533 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2534 | &ulx, &uly, &width, &height); |
2535 | if (ulx+width > dispwidth) | |
2536 | { | |
78589e07 | 2537 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2538 | ulx = dispwidth - width; |
2539 | } | |
2540 | if (uly+height > dispheight) | |
2541 | { | |
78589e07 | 2542 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2543 | uly = dispheight - height; |
2544 | } | |
2de7397f EZ |
2545 | #ifndef HAVE_X_WINDOWS |
2546 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2547 | { | |
2548 | /* Move the menu away of the echo area, to avoid overwriting the | |
2549 | menu with help echo messages or vice versa. */ | |
2550 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2551 | { | |
2552 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2553 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2554 | } | |
2555 | else | |
2556 | { | |
2557 | y--; | |
2558 | uly--; | |
2559 | } | |
2560 | } | |
2561 | #endif | |
78589e07 RS |
2562 | if (ulx < 0) x -= ulx; |
2563 | if (uly < 0) y -= uly; | |
121e4555 | 2564 | |
453a4f1b JD |
2565 | if (! for_click) |
2566 | { | |
2567 | /* If position was not given by a mouse click, adjust so upper left | |
2568 | corner of the menu as a whole ends up at given coordinates. This | |
2569 | is what x-popup-menu says in its documentation. */ | |
2570 | x += width/2; | |
2571 | y += 1.5*height/(maxlines+2); | |
2572 | } | |
2573 | ||
121e4555 | 2574 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2575 | XMenuSetFreeze (menu, TRUE); |
2576 | pane = selidx = 0; | |
3e703b25 | 2577 | |
c3438661 JD |
2578 | #ifndef MSDOS |
2579 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2580 | #endif | |
59cfb104 | 2581 | |
a130b901 JD |
2582 | record_unwind_protect (pop_down_menu, |
2583 | Fcons (make_save_value (f, 0), | |
2584 | make_save_value (menu, 0))); | |
c3438661 | 2585 | |
3e703b25 GM |
2586 | /* Help display under X won't work because XMenuActivate contains |
2587 | a loop that doesn't give Emacs a chance to process it. */ | |
2588 | menu_help_frame = f; | |
92280f67 | 2589 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2590 | x, y, ButtonReleaseMask, &datap, |
2591 | menu_help_callback); | |
a352a815 | 2592 | |
dcfdbac7 JB |
2593 | switch (status) |
2594 | { | |
2595 | case XM_SUCCESS: | |
2596 | #ifdef XDEBUG | |
2597 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2598 | #endif | |
fa6d54d9 | 2599 | |
78589e07 RS |
2600 | /* Find the item number SELIDX in pane number PANE. */ |
2601 | i = 0; | |
2602 | while (i < menu_items_used) | |
fa6d54d9 | 2603 | { |
78589e07 | 2604 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
088831f6 | 2605 | { |
78589e07 RS |
2606 | if (pane == 0) |
2607 | pane_prefix | |
2608 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2609 | pane--; | |
2610 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2611 | } |
78589e07 | 2612 | else |
ab6ee1a0 | 2613 | { |
78589e07 | 2614 | if (pane == -1) |
ab6ee1a0 | 2615 | { |
78589e07 | 2616 | if (selidx == 0) |
ab6ee1a0 | 2617 | { |
78589e07 RS |
2618 | entry |
2619 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2620 | if (keymaps != 0) | |
ab6ee1a0 | 2621 | { |
78589e07 RS |
2622 | entry = Fcons (entry, Qnil); |
2623 | if (!NILP (pane_prefix)) | |
2624 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2625 | } |
78589e07 | 2626 | break; |
ab6ee1a0 | 2627 | } |
78589e07 | 2628 | selidx--; |
ab6ee1a0 | 2629 | } |
78589e07 | 2630 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2631 | } |
2632 | } | |
78589e07 | 2633 | break; |
dcfdbac7 | 2634 | |
78589e07 | 2635 | case XM_FAILURE: |
78589e07 RS |
2636 | *error = "Can't activate menu"; |
2637 | case XM_IA_SELECT: | |
9f6fcdc5 JD |
2638 | entry = Qnil; |
2639 | break; | |
78589e07 | 2640 | case XM_NO_SELECT: |
be6ed24a RS |
2641 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2642 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2643 | if (! for_click) |
2644 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
2645 | entry = Qnil; |
2646 | break; | |
dcfdbac7 | 2647 | } |
a5285df3 | 2648 | |
af89e871 | 2649 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2650 | |
78589e07 | 2651 | return entry; |
dcfdbac7 | 2652 | } |
4dedbfe0 | 2653 | |
78589e07 | 2654 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2655 | |
2656 | #endif /* HAVE_MENUS */ | |
e3135734 | 2657 | |
b79b8a1c CY |
2658 | /* Detect if a dialog or menu has been posted. */ |
2659 | ||
2660 | int | |
2661 | popup_activated () | |
2662 | { | |
2663 | return popup_activated_flag; | |
2664 | } | |
e3135734 CY |
2665 | |
2666 | /* The following is used by delayed window autoselection. */ | |
2667 | ||
2668 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2669 | doc: /* Return t if a menu or popup dialog is active. */) | |
2670 | () | |
2671 | { | |
2672 | #ifdef HAVE_MENUS | |
2673 | return (popup_activated ()) ? Qt : Qnil; | |
2674 | #else | |
2675 | return Qnil; | |
2676 | #endif /* HAVE_MENUS */ | |
2677 | } | |
088831f6 | 2678 | \f |
dfcf069d | 2679 | void |
78589e07 | 2680 | syms_of_xmenu () |
dcfdbac7 | 2681 | { |
d67b4f80 | 2682 | Qdebug_on_next_call = intern_c_string ("debug-on-next-call"); |
0314aacb RS |
2683 | staticpro (&Qdebug_on_next_call); |
2684 | ||
8ed87156 | 2685 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2686 | widget_id_tick = (1<<16); |
88766961 | 2687 | next_menubar_widget_id = 1; |
8ed87156 RS |
2688 | #endif |
2689 | ||
508fb067 | 2690 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2691 | |
2692 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2693 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2694 | Ffset (intern_c_string ("accelerate-menu"), |
2695 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2696 | #endif |
2697 | ||
1e659e4c | 2698 | #ifdef HAVE_MENUS |
165e1749 | 2699 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2700 | #endif |
dcfdbac7 | 2701 | } |
6b61353c KH |
2702 | |
2703 | /* arch-tag: 92ea573c-398e-496e-ac73-2436f7d63242 | |
2704 | (do not change this comment) */ |