Commit | Line | Data |
---|---|---|
dcfdbac7 | 1 | /* X Communication module for terminals which understand the X protocol. |
95df8112 GM |
2 | |
3 | Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2011 | |
4 | Free Software Foundation, Inc. | |
dcfdbac7 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
dcfdbac7 | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
dcfdbac7 JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
dcfdbac7 | 20 | |
c9e60620 | 21 | /* X pop-up deck-of-cards menu facility for GNU Emacs. |
dcfdbac7 JB |
22 | * |
23 | * Written by Jon Arnold and Roman Budzianowski | |
24 | * Mods and rewrite by Robert Krawitz | |
25 | * | |
26 | */ | |
27 | ||
18686d47 RS |
28 | /* Modified by Fred Pierresteguy on December 93 |
29 | to make the popup menus and menubar use the Xt. */ | |
30 | ||
78589e07 RS |
31 | /* Rewritten for clarity and GC protection by rms in Feb 94. */ |
32 | ||
68c45bf0 PE |
33 | #include <config.h> |
34 | ||
8faf6057 | 35 | #if 0 /* Why was this included? And without syssignal.h? */ |
dcfdbac7 JB |
36 | /* On 4.3 this loses if it comes after xterm.h. */ |
37 | #include <signal.h> | |
8faf6057 | 38 | #endif |
565620a5 RS |
39 | |
40 | #include <stdio.h> | |
d7306fe6 | 41 | #include <setjmp.h> |
7ee72033 | 42 | |
dcfdbac7 | 43 | #include "lisp.h" |
02067692 | 44 | #include "keyboard.h" |
5ee707b8 | 45 | #include "keymap.h" |
7708e9bd | 46 | #include "frame.h" |
428a555e | 47 | #include "termhooks.h" |
dcfdbac7 | 48 | #include "window.h" |
9ac0d9e0 | 49 | #include "blockinput.h" |
88766961 | 50 | #include "buffer.h" |
cc45fb40 SM |
51 | #include "charset.h" |
52 | #include "coding.h" | |
c3438661 | 53 | #include "sysselect.h" |
dcfdbac7 | 54 | |
eeee3112 RS |
55 | #ifdef MSDOS |
56 | #include "msdos.h" | |
57 | #endif | |
58 | ||
87485d6f | 59 | #ifdef HAVE_X_WINDOWS |
dcfdbac7 JB |
60 | /* This may include sys/types.h, and that somehow loses |
61 | if this is not done before the other system files. */ | |
62 | #include "xterm.h" | |
87485d6f | 63 | #endif |
dcfdbac7 JB |
64 | |
65 | /* Load sys/types.h if not already loaded. | |
66 | In some systems loading it twice is suicidal. */ | |
67 | #ifndef makedev | |
68 | #include <sys/types.h> | |
69 | #endif | |
70 | ||
71 | #include "dispextern.h" | |
72 | ||
87485d6f | 73 | #ifdef HAVE_X_WINDOWS |
646f98ec DL |
74 | /* Defining HAVE_MULTILINGUAL_MENU would mean that the toolkit menu |
75 | code accepts the Emacs internal encoding. */ | |
703dc2a8 | 76 | #undef HAVE_MULTILINGUAL_MENU |
18686d47 | 77 | #ifdef USE_X_TOOLKIT |
991786dd | 78 | #include "widget.h" |
18686d47 RS |
79 | #include <X11/Xlib.h> |
80 | #include <X11/IntrinsicP.h> | |
81 | #include <X11/CoreP.h> | |
82 | #include <X11/StringDefs.h> | |
60f312e2 | 83 | #include <X11/Shell.h> |
5ee80bd3 | 84 | #ifdef USE_LUCID |
99852628 JD |
85 | #include "xsettings.h" |
86 | #include "../lwlib/xlwmenu.h" | |
5262c5c7 CY |
87 | #ifdef HAVE_XAW3D |
88 | #include <X11/Xaw3d/Paned.h> | |
89 | #else /* !HAVE_XAW3D */ | |
1d1c1567 | 90 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 91 | #endif /* HAVE_XAW3D */ |
5ee80bd3 | 92 | #endif /* USE_LUCID */ |
c865c575 | 93 | #ifdef USE_MOTIF |
dee186b6 | 94 | #include "../lwlib/lwlib.h" |
c865c575 | 95 | #endif |
a352a815 | 96 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 | 97 | #ifndef USE_GTK |
a352a815 | 98 | #include "../oldXMenu/XMenu.h" |
488dd4c4 | 99 | #endif |
a352a815 RS |
100 | #endif /* not USE_X_TOOLKIT */ |
101 | #endif /* HAVE_X_WINDOWS */ | |
18686d47 | 102 | |
e7c9048f AS |
103 | #ifdef USE_GTK |
104 | #include "gtkutil.h" | |
105 | #endif | |
106 | ||
107 | #include "menu.h" | |
108 | ||
dcfdbac7 JB |
109 | #ifndef TRUE |
110 | #define TRUE 1 | |
111 | #define FALSE 0 | |
78589e07 | 112 | #endif /* no TRUE */ |
dcfdbac7 | 113 | |
955cbe7b | 114 | static Lisp_Object Qdebug_on_next_call; |
0314aacb | 115 | |
04bab72c | 116 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
f57e2426 | 117 | static Lisp_Object xdialog_show (FRAME_PTR, int, Lisp_Object, Lisp_Object, |
42ca4633 | 118 | const char **); |
3427a3db GM |
119 | #endif |
120 | ||
f57e2426 | 121 | static int update_frame_menubar (struct frame *); |
78589e07 | 122 | \f |
4dedbfe0 | 123 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 124 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 125 | static int popup_activated_flag; |
4dedbfe0 | 126 | |
bd3a4da2 | 127 | \f |
88766961 | 128 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 129 | |
281585b0 PE |
130 | static int next_menubar_widget_id; |
131 | ||
7556890b | 132 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 133 | |
88766961 | 134 | static struct frame * |
ebd15611 | 135 | menubar_id_to_frame (LWLIB_ID id) |
88766961 RS |
136 | { |
137 | Lisp_Object tail, frame; | |
138 | FRAME_PTR f; | |
bd3a4da2 | 139 | |
8e50cc2d | 140 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
bd3a4da2 | 141 | { |
8e713be6 | 142 | frame = XCAR (tail); |
8e50cc2d | 143 | if (!FRAMEP (frame)) |
88766961 RS |
144 | continue; |
145 | f = XFRAME (frame); | |
2d764c78 | 146 | if (!FRAME_WINDOW_P (f)) |
88766961 | 147 | continue; |
7556890b | 148 | if (f->output_data.x->id == id) |
88766961 | 149 | return f; |
bd3a4da2 | 150 | } |
88766961 | 151 | return 0; |
bd3a4da2 | 152 | } |
88766961 RS |
153 | |
154 | #endif | |
4dedbfe0 | 155 | \f |
a894238b JD |
156 | #ifdef HAVE_X_WINDOWS |
157 | /* Return the mouse position in *X and *Y. The coordinates are window | |
158 | relative for the edit window in frame F. | |
159 | This is for Fx_popup_menu. The mouse_position_hook can not | |
160 | be used for X, as it returns window relative coordinates | |
161 | for the window where the mouse is in. This could be the menu bar, | |
162 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
163 | sure it is the edit window. */ | |
ef7417fd | 164 | void |
971de7fb | 165 | mouse_position_for_popup (FRAME_PTR f, int *x, int *y) |
a894238b JD |
166 | { |
167 | Window root, dummy_window; | |
168 | int dummy; | |
169 | ||
62af879c KL |
170 | if (! FRAME_X_P (f)) |
171 | abort (); | |
172 | ||
a894238b | 173 | BLOCK_INPUT; |
177c0ea7 | 174 | |
a894238b JD |
175 | XQueryPointer (FRAME_X_DISPLAY (f), |
176 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
177 | ||
178 | /* The root window which contains the pointer. */ | |
179 | &root, | |
180 | ||
181 | /* Window pointer is on, not used */ | |
182 | &dummy_window, | |
183 | ||
184 | /* The position on that root window. */ | |
185 | x, y, | |
186 | ||
187 | /* x/y in dummy_window coordinates, not used. */ | |
188 | &dummy, &dummy, | |
189 | ||
190 | /* Modifier keys and pointer buttons, about which | |
191 | we don't care. */ | |
192 | (unsigned int *) &dummy); | |
193 | ||
194 | UNBLOCK_INPUT; | |
195 | ||
196 | /* xmenu_show expects window coordinates, not root window | |
197 | coordinates. Translate. */ | |
9882535b KS |
198 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
199 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
200 | } |
201 | ||
202 | #endif /* HAVE_X_WINDOWS */ | |
203 | ||
1e659e4c RS |
204 | #ifdef HAVE_MENUS |
205 | ||
16a97296 | 206 | DEFUE ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 207 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
208 | POSITION specifies which frame to use. |
209 | This is normally a mouse button event or a window or frame. | |
210 | If POSITION is t, it means to use the frame the mouse is on. | |
211 | The dialog box appears in the middle of the specified frame. | |
212 | ||
213 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 214 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
215 | Each ITEM is a cons cell (STRING . VALUE). |
216 | The return value is VALUE from the chosen item. | |
217 | ||
218 | An ITEM may also be just a string--that makes a nonselectable item. | |
219 | An ITEM may also be nil--that means to put all preceding items | |
220 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
221 | \(By default, approximately half appear on each side.) |
222 | ||
6a040d6a NR |
223 | If HEADER is non-nil, the frame title for the box is "Information", |
224 | otherwise it is "Question". | |
225 | ||
c05fe5d5 LT |
226 | If the user gets rid of the dialog box without making a valid choice, |
227 | for instance using the window manager, then this produces a quit and | |
228 | `x-popup-dialog' does not return. */) | |
5842a27b | 229 | (Lisp_Object position, Lisp_Object contents, Lisp_Object header) |
165e1749 | 230 | { |
cc45fb40 | 231 | FRAME_PTR f = NULL; |
99fe880d | 232 | Lisp_Object window; |
165e1749 FP |
233 | |
234 | check_x (); | |
235 | ||
99fe880d | 236 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 237 | if (EQ (position, Qt) |
2b06561a DL |
238 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
239 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 240 | { |
b14db4d7 | 241 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 242 | /* Use the mouse's current position. */ |
b404828f | 243 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 244 | Lisp_Object bar_window; |
cc45fb40 | 245 | enum scroll_bar_part part; |
99fe880d RS |
246 | unsigned long time; |
247 | Lisp_Object x, y; | |
165e1749 | 248 | |
46b657e2 | 249 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 250 | |
99fe880d | 251 | if (new_f != 0) |
a39f0477 | 252 | XSETFRAME (window, new_f); |
99fe880d RS |
253 | else |
254 | window = selected_window; | |
b14db4d7 | 255 | #endif |
88d4f6ec | 256 | window = selected_window; |
99fe880d RS |
257 | } |
258 | else if (CONSP (position)) | |
259 | { | |
260 | Lisp_Object tem; | |
261 | tem = Fcar (position); | |
b5bb2705 | 262 | if (CONSP (tem)) |
99fe880d | 263 | window = Fcar (Fcdr (position)); |
80670155 RS |
264 | else |
265 | { | |
99fe880d RS |
266 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
267 | window = Fcar (tem); /* POSN_WINDOW (tem) */ | |
165e1749 | 268 | } |
165e1749 | 269 | } |
99fe880d RS |
270 | else if (WINDOWP (position) || FRAMEP (position)) |
271 | window = position; | |
a9be6839 RS |
272 | else |
273 | window = Qnil; | |
165e1749 | 274 | |
99fe880d | 275 | /* Decode where to put the menu. */ |
165e1749 | 276 | |
b5bb2705 | 277 | if (FRAMEP (window)) |
99fe880d | 278 | f = XFRAME (window); |
b5bb2705 | 279 | else if (WINDOWP (window)) |
165e1749 | 280 | { |
b7826503 | 281 | CHECK_LIVE_WINDOW (window); |
99fe880d | 282 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 283 | } |
99fe880d RS |
284 | else |
285 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
286 | but I don't want to make one now. */ | |
b7826503 | 287 | CHECK_WINDOW (window); |
165e1749 | 288 | |
a9e1244d EZ |
289 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
290 | error ("Can not put X dialog on this terminal"); | |
62af879c | 291 | |
5da9fdfa YM |
292 | /* Force a redisplay before showing the dialog. If a frame is created |
293 | just before showing the dialog, its contents may not have been fully | |
294 | drawn, as this depends on timing of events from the X server. Redisplay | |
295 | is not done when a dialog is shown. If redisplay could be done in the | |
296 | X event loop (i.e. the X event loop does not run in a signal handler) | |
297 | this would not be needed. | |
298 | ||
299 | Do this before creating the widget value that points to Lisp | |
300 | string contents, because Fredisplay may GC and relocate them. */ | |
301 | Fredisplay (Qt); | |
302 | ||
488dd4c4 | 303 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
304 | /* Display a menu with these alternatives |
305 | in the middle of frame F. */ | |
306 | { | |
307 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
308 | XSETFRAME (frame, f); |
309 | XSETINT (x, x_pixel_width (f) / 2); | |
310 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
311 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
312 | ||
313 | return Fx_popup_menu (newpos, | |
314 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
315 | } | |
316 | #else | |
317 | { | |
318 | Lisp_Object title; | |
42ca4633 | 319 | const char *error_name; |
99fe880d | 320 | Lisp_Object selection; |
86fad4ec | 321 | int specpdl_count = SPECPDL_INDEX (); |
165e1749 | 322 | |
99fe880d RS |
323 | /* Decode the dialog items from what was specified. */ |
324 | title = Fcar (contents); | |
b7826503 | 325 | CHECK_STRING (title); |
86fad4ec | 326 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 327 | |
6b61353c KH |
328 | if (NILP (Fcar (Fcdr (contents)))) |
329 | /* No buttons specified, add an "Ok" button so users can pop down | |
330 | the dialog. Also, the lesstif/motif version crashes if there are | |
331 | no buttons. */ | |
332 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 333 | |
99fe880d | 334 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 335 | |
99fe880d RS |
336 | /* Display them in a dialog box. */ |
337 | BLOCK_INPUT; | |
6a040d6a | 338 | selection = xdialog_show (f, 0, title, header, &error_name); |
99fe880d | 339 | UNBLOCK_INPUT; |
165e1749 | 340 | |
86fad4ec | 341 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
342 | discard_menu_items (); |
343 | ||
f390e2d5 | 344 | if (error_name) error ("%s", error_name); |
99fe880d RS |
345 | return selection; |
346 | } | |
7464b131 | 347 | #endif |
392d3f4b | 348 | } |
c3438661 JD |
349 | |
350 | ||
351 | #ifndef MSDOS | |
352 | ||
b3935289 JD |
353 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
354 | ||
355 | void | |
971de7fb | 356 | x_menu_set_in_use (int in_use) |
b3935289 JD |
357 | { |
358 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 359 | popup_activated_flag = in_use; |
98a20c65 CY |
360 | #ifdef USE_X_TOOLKIT |
361 | if (popup_activated_flag) | |
362 | x_activate_timeout_atimer (); | |
363 | #endif | |
b3935289 JD |
364 | } |
365 | ||
c3438661 JD |
366 | /* Wait for an X event to arrive or for a timer to expire. */ |
367 | ||
6f37259d PE |
368 | #ifndef USE_MOTIF |
369 | static | |
370 | #endif | |
b3935289 | 371 | void |
c3438661 JD |
372 | x_menu_wait_for_event (void *data) |
373 | { | |
c3438661 JD |
374 | /* Another way to do this is to register a timer callback, that can be |
375 | done in GTK and Xt. But we have to do it like this when using only X | |
376 | anyway, and with callbacks we would have three variants for timer handling | |
377 | instead of the small ifdefs below. */ | |
378 | ||
379 | while ( | |
380 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 381 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
382 | #elif defined USE_GTK |
383 | ! gtk_events_pending () | |
384 | #else | |
385 | ! XPending ((Display*) data) | |
386 | #endif | |
387 | ) | |
388 | { | |
f868cd8a | 389 | EMACS_TIME next_time = timer_check (), *ntp; |
c3438661 JD |
390 | long secs = EMACS_SECS (next_time); |
391 | long usecs = EMACS_USECS (next_time); | |
392 | SELECT_TYPE read_fds; | |
393 | struct x_display_info *dpyinfo; | |
394 | int n = 0; | |
395 | ||
396 | FD_ZERO (&read_fds); | |
397 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
398 | { | |
399 | int fd = ConnectionNumber (dpyinfo->display); | |
400 | FD_SET (fd, &read_fds); | |
401 | if (fd > n) n = fd; | |
11814156 | 402 | XFlush (dpyinfo->display); |
c3438661 JD |
403 | } |
404 | ||
e90292a9 JD |
405 | if (secs < 0 && usecs < 0) |
406 | ntp = 0; | |
407 | else | |
408 | ntp = &next_time; | |
c3438661 | 409 | |
e90292a9 | 410 | select (n + 1, &read_fds, (SELECT_TYPE *)0, (SELECT_TYPE *)0, ntp); |
c3438661 JD |
411 | } |
412 | } | |
413 | #endif /* ! MSDOS */ | |
414 | ||
78589e07 | 415 | \f |
488dd4c4 | 416 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 417 | |
f1d1cd24 JD |
418 | #ifdef USE_X_TOOLKIT |
419 | ||
4dedbfe0 | 420 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 421 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
422 | and x-popup-dialog; it is not used for the menu bar. |
423 | ||
2e2b8e22 | 424 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 425 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 426 | |
f02cac82 | 427 | static void |
ebd15611 | 428 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 429 | { |
4dedbfe0 | 430 | XEvent event; |
f02cac82 | 431 | |
8b806a85 JD |
432 | while (popup_activated_flag) |
433 | { | |
c0b0f54b | 434 | if (initial_event) |
8b806a85 JD |
435 | { |
436 | event = *initial_event; | |
437 | initial_event = 0; | |
438 | } | |
439 | else | |
c3438661 JD |
440 | { |
441 | if (do_timers) x_menu_wait_for_event (0); | |
442 | XtAppNextEvent (Xt_app_con, &event); | |
443 | } | |
78589e07 | 444 | |
10624005 | 445 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
446 | And make sure to deactivate for any ButtonRelease, |
447 | even if XtDispatchEvent doesn't do that. */ | |
448 | if (event.type == ButtonRelease | |
449 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
450 | { |
451 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 452 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
453 | Btn1Down seems the only way to convince Motif to |
454 | activate its callbacks; setting the XmNmenuPost | |
455 | isn't working. --marcus@sysc.pdx.edu. */ | |
456 | event.xbutton.button = 1; | |
457 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
458 | key is pressed and the button is released. So reset key state | |
459 | so Motif thinks this is the case. */ | |
460 | event.xbutton.state = 0; | |
c8b5aa3d | 461 | #endif |
10624005 | 462 | } |
33385c6f | 463 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 464 | else if (event.type == KeyPress |
10624005 | 465 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
466 | { |
467 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 468 | |
33385c6f JD |
469 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
470 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 471 | popup_activated_flag = 0; |
8b806a85 | 472 | } |
177c0ea7 | 473 | |
8b806a85 | 474 | x_dispatch_event (&event, event.xany.display); |
aa669def | 475 | } |
78589e07 RS |
476 | } |
477 | ||
12b6af5c | 478 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
479 | doc: /* Start key navigation of the menu bar in FRAME. |
480 | This initially opens the first menu bar item and you can then navigate with the | |
481 | arrow keys, select a menu entry with the return key or cancel with the | |
482 | escape key. If FRAME has no menu bar this function does nothing. | |
483 | ||
484 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 485 | (Lisp_Object frame) |
22badffe JD |
486 | { |
487 | XEvent ev; | |
488 | FRAME_PTR f = check_x_frame (frame); | |
489 | Widget menubar; | |
490 | BLOCK_INPUT; | |
491 | ||
492 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
493 | set_frame_menubar (f, 0, 1); | |
494 | ||
495 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
496 | if (menubar) | |
497 | { | |
498 | Window child; | |
499 | int error_p = 0; | |
500 | ||
501 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
502 | memset (&ev, 0, sizeof ev); | |
503 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
504 | ev.xbutton.window = XtWindow (menubar); | |
505 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
506 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
507 | ev.xbutton.button = Button1; | |
508 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
509 | ev.xbutton.same_screen = True; | |
510 | ||
511 | #ifdef USE_MOTIF | |
512 | { | |
513 | Arg al[2]; | |
514 | WidgetList list; | |
515 | Cardinal nr; | |
516 | XtSetArg (al[0], XtNchildren, &list); | |
517 | XtSetArg (al[1], XtNnumChildren, &nr); | |
518 | XtGetValues (menubar, al, 2); | |
519 | ev.xbutton.window = XtWindow (list[0]); | |
520 | } | |
521 | #endif | |
522 | ||
523 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
524 | /* From-window, to-window. */ | |
525 | ev.xbutton.window, ev.xbutton.root, | |
526 | ||
527 | /* From-position, to-position. */ | |
528 | ev.xbutton.x, ev.xbutton.y, | |
529 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
530 | ||
531 | /* Child of win. */ | |
532 | &child); | |
533 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
534 | x_uncatch_errors (); | |
535 | ||
536 | if (! error_p) | |
537 | { | |
538 | ev.type = ButtonPress; | |
539 | ev.xbutton.state = 0; | |
540 | ||
541 | XtDispatchEvent (&ev); | |
542 | ev.xbutton.type = ButtonRelease; | |
543 | ev.xbutton.state = Button1Mask; | |
544 | XtDispatchEvent (&ev); | |
545 | } | |
546 | } | |
547 | ||
548 | UNBLOCK_INPUT; | |
57d671b4 AS |
549 | |
550 | return Qnil; | |
22badffe | 551 | } |
488dd4c4 JD |
552 | #endif /* USE_X_TOOLKIT */ |
553 | ||
22badffe | 554 | |
488dd4c4 | 555 | #ifdef USE_GTK |
12b6af5c | 556 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
557 | doc: /* Start key navigation of the menu bar in FRAME. |
558 | This initially opens the first menu bar item and you can then navigate with the | |
559 | arrow keys, select a menu entry with the return key or cancel with the | |
560 | escape key. If FRAME has no menu bar this function does nothing. | |
561 | ||
562 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 563 | (Lisp_Object frame) |
22badffe JD |
564 | { |
565 | GtkWidget *menubar; | |
8630721e CY |
566 | FRAME_PTR f; |
567 | ||
718aeeb8 CY |
568 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
569 | BLOCK_INPUT. */ | |
570 | ||
22badffe | 571 | BLOCK_INPUT; |
8630721e | 572 | f = check_x_frame (frame); |
22badffe JD |
573 | |
574 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
575 | set_frame_menubar (f, 0, 1); | |
576 | ||
577 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
578 | if (menubar) | |
579 | { | |
580 | /* Activate the first menu. */ | |
581 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
582 | ||
32d46135 JD |
583 | if (children) |
584 | { | |
585 | g_signal_emit_by_name (children->data, "activate_item"); | |
586 | popup_activated_flag = 1; | |
587 | g_list_free (children); | |
588 | } | |
22badffe JD |
589 | } |
590 | UNBLOCK_INPUT; | |
591 | ||
592 | return Qnil; | |
593 | } | |
594 | ||
488dd4c4 JD |
595 | /* Loop util popup_activated_flag is set to zero in a callback. |
596 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 597 | |
488dd4c4 | 598 | static void |
971de7fb | 599 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
600 | { |
601 | ++popup_activated_flag; | |
602 | ||
603 | /* Process events in the Gtk event loop until done. */ | |
604 | while (popup_activated_flag) | |
605 | { | |
c3438661 | 606 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
607 | gtk_main_iteration (); |
608 | } | |
609 | } | |
610 | #endif | |
611 | ||
88766961 RS |
612 | /* Activate the menu bar of frame F. |
613 | This is called from keyboard.c when it gets the | |
3b8f9651 | 614 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
615 | |
616 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 617 | that was saved in saved_menu_event. |
88766961 RS |
618 | That makes the toolkit do its thing. |
619 | ||
620 | But first we recompute the menu bar contents (the whole tree). | |
621 | ||
622 | The reason for saving the button event until here, instead of | |
623 | passing it to the toolkit right away, is that we can safely | |
624 | execute Lisp code. */ | |
177c0ea7 | 625 | |
dfcf069d | 626 | void |
971de7fb | 627 | x_activate_menubar (FRAME_PTR f) |
88766961 | 628 | { |
62af879c KL |
629 | if (! FRAME_X_P (f)) |
630 | abort (); | |
631 | ||
ac78b144 | 632 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
633 | return; |
634 | ||
177c0ea7 | 635 | #ifdef USE_GTK |
6b61353c KH |
636 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
637 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
638 | return; |
639 | #endif | |
177c0ea7 | 640 | |
a9be6839 | 641 | set_frame_menubar (f, 0, 1); |
88766961 | 642 | BLOCK_INPUT; |
cf28cebc | 643 | popup_activated_flag = 1; |
488dd4c4 JD |
644 | #ifdef USE_GTK |
645 | XPutBackEvent (f->output_data.x->display_info->display, | |
646 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 647 | #else |
86fad4ec | 648 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 649 | #endif |
88766961 | 650 | UNBLOCK_INPUT; |
177c0ea7 | 651 | |
88766961 | 652 | /* Ignore this if we get it a second time. */ |
ac78b144 | 653 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
654 | } |
655 | ||
4dedbfe0 PR |
656 | /* This callback is invoked when the user selects a menubar cascade |
657 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 658 | |
488dd4c4 | 659 | #ifndef USE_GTK |
78589e07 | 660 | static void |
ebd15611 | 661 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 662 | { |
4dedbfe0 | 663 | popup_activated_flag = 1; |
98a20c65 CY |
664 | #ifdef USE_X_TOOLKIT |
665 | x_activate_timeout_atimer (); | |
666 | #endif | |
7555d825 | 667 | } |
488dd4c4 | 668 | #endif |
7555d825 GM |
669 | |
670 | /* This callback is invoked when a dialog or menu is finished being | |
671 | used and has been unposted. */ | |
672 | ||
488dd4c4 JD |
673 | #ifdef USE_GTK |
674 | static void | |
971de7fb | 675 | popup_deactivate_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
676 | { |
677 | popup_activated_flag = 0; | |
678 | } | |
679 | #else | |
7555d825 | 680 | static void |
ebd15611 | 681 | popup_deactivate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
7555d825 | 682 | { |
7555d825 | 683 | popup_activated_flag = 0; |
78589e07 | 684 | } |
488dd4c4 | 685 | #endif |
78589e07 | 686 | |
850df50b | 687 | |
488dd4c4 JD |
688 | /* Function that finds the frame for WIDGET and shows the HELP text |
689 | for that widget. | |
690 | F is the frame if known, or NULL if not known. */ | |
691 | static void | |
971de7fb | 692 | show_help_event (FRAME_PTR f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 693 | { |
488dd4c4 | 694 | Lisp_Object frame; |
850df50b | 695 | |
850df50b | 696 | if (f) |
9cd50434 GM |
697 | { |
698 | XSETFRAME (frame, f); | |
699 | kbd_buffer_store_help_event (frame, help); | |
700 | } | |
850df50b GM |
701 | else |
702 | { | |
6b61353c | 703 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 704 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 705 | widget. See which frame that is. */ |
488dd4c4 | 706 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
707 | Lisp_Object tail; |
708 | ||
8e50cc2d | 709 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
710 | { |
711 | frame = XCAR (tail); | |
8e50cc2d | 712 | if (FRAMEP (frame) |
850df50b GM |
713 | && (f = XFRAME (frame), |
714 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
715 | break; | |
716 | } | |
6b61353c | 717 | #endif |
f868cd8a | 718 | show_help_echo (help, Qnil, Qnil, Qnil); |
9cd50434 | 719 | } |
850df50b GM |
720 | } |
721 | ||
488dd4c4 JD |
722 | /* Callback called when menu items are highlighted/unhighlighted |
723 | while moving the mouse over them. WIDGET is the menu bar or menu | |
724 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
725 | the data structure for the menu item, or null in case of | |
726 | unhighlighting. */ | |
4dedbfe0 | 727 | |
488dd4c4 | 728 | #ifdef USE_GTK |
032f1620 | 729 | static void |
971de7fb | 730 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
731 | { |
732 | xg_menu_item_cb_data *cb_data; | |
733 | Lisp_Object help; | |
177c0ea7 | 734 | |
488dd4c4 JD |
735 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
736 | XG_ITEM_DATA); | |
737 | if (! cb_data) return; | |
738 | ||
739 | help = call_data ? cb_data->help : Qnil; | |
740 | ||
741 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
742 | Don't show help for them, they won't appear before the | |
743 | popup is popped down. */ | |
744 | if (popup_activated_flag <= 1) | |
745 | show_help_event (cb_data->cl_data->f, widget, help); | |
746 | } | |
747 | #else | |
032f1620 | 748 | static void |
ebd15611 | 749 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 JD |
750 | { |
751 | struct frame *f; | |
752 | Lisp_Object help; | |
753 | ||
754 | widget_value *wv = (widget_value *) call_data; | |
755 | ||
756 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 757 | |
488dd4c4 JD |
758 | /* Determine the frame for the help event. */ |
759 | f = menubar_id_to_frame (id); | |
760 | ||
761 | show_help_event (f, widget, help); | |
762 | } | |
763 | #endif | |
764 | ||
488dd4c4 JD |
765 | #ifdef USE_GTK |
766 | /* Gtk calls callbacks just because we tell it what item should be | |
767 | selected in a radio group. If this variable is set to a non-zero | |
768 | value, we are creating menus and don't want callbacks right now. | |
769 | */ | |
770 | static int xg_crazy_callback_abort; | |
771 | ||
772 | /* This callback is called from the menu bar pulldown menu | |
773 | when the user makes a selection. | |
774 | Figure out what the user chose | |
775 | and put the appropriate events into the keyboard buffer. */ | |
776 | static void | |
971de7fb | 777 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
778 | { |
779 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
780 | ||
781 | if (xg_crazy_callback_abort) | |
782 | return; | |
783 | ||
784 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
785 | return; | |
786 | ||
b79c8219 JD |
787 | /* For a group of radio buttons, GTK calls the selection callback first |
788 | for the item that was active before the selection and then for the one that | |
789 | is active after the selection. For C-h k this means we get the help on | |
790 | the deselected item and then the selected item is executed. Prevent that | |
791 | by ignoring the non-active item. */ | |
792 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
793 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
794 | return; | |
795 | ||
81f09877 JD |
796 | /* When a menu is popped down, X generates a focus event (i.e. focus |
797 | goes back to the frame below the menu). Since GTK buffers events, | |
798 | we force it out here before the menu selection event. Otherwise | |
799 | sit-for will exit at once if the focus event follows the menu selection | |
800 | event. */ | |
801 | ||
802 | BLOCK_INPUT; | |
803 | while (gtk_events_pending ()) | |
804 | gtk_main_iteration (); | |
805 | UNBLOCK_INPUT; | |
806 | ||
488dd4c4 JD |
807 | find_and_call_menu_selection (cb_data->cl_data->f, |
808 | cb_data->cl_data->menu_bar_items_used, | |
809 | cb_data->cl_data->menu_bar_vector, | |
810 | cb_data->call_data); | |
811 | } | |
812 | ||
813 | #else /* not USE_GTK */ | |
814 | ||
815 | /* This callback is called from the menu bar pulldown menu | |
816 | when the user makes a selection. | |
817 | Figure out what the user chose | |
818 | and put the appropriate events into the keyboard buffer. */ | |
819 | static void | |
ebd15611 | 820 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 JD |
821 | { |
822 | FRAME_PTR f; | |
823 | ||
824 | f = menubar_id_to_frame (id); | |
825 | if (!f) | |
826 | return; | |
827 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
828 | f->menu_bar_vector, client_data); | |
829 | } | |
830 | #endif /* not USE_GTK */ | |
f61a541b GM |
831 | \f |
832 | /* Recompute all the widgets of frame F, when the menu bar has been | |
833 | changed. Value is non-zero if widgets were updated. */ | |
834 | ||
835 | static int | |
971de7fb | 836 | update_frame_menubar (FRAME_PTR f) |
18686d47 | 837 | { |
488dd4c4 JD |
838 | #ifdef USE_GTK |
839 | return xg_update_frame_menubar (f); | |
840 | #else | |
62af879c | 841 | struct x_output *x; |
cffa74ea | 842 | int columns, rows; |
177c0ea7 | 843 | |
62af879c KL |
844 | if (! FRAME_X_P (f)) |
845 | abort (); | |
846 | ||
847 | x = f->output_data.x; | |
848 | ||
f61a541b GM |
849 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
850 | return 0; | |
18686d47 RS |
851 | |
852 | BLOCK_INPUT; | |
f61a541b GM |
853 | /* Save the size of the frame because the pane widget doesn't accept |
854 | to resize itself. So force it. */ | |
9882535b KS |
855 | columns = FRAME_COLS (f); |
856 | rows = FRAME_LINES (f); | |
cffa74ea | 857 | |
f61a541b GM |
858 | /* Do the voodoo which means "I'm changing lots of things, don't try |
859 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 860 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 861 | |
f61a541b GM |
862 | /* The order in which children are managed is the top to bottom |
863 | order in which they are displayed in the paned window. First, | |
864 | remove the text-area widget. */ | |
18686d47 RS |
865 | XtUnmanageChild (x->edit_widget); |
866 | ||
f61a541b GM |
867 | /* Remove the menubar that is there now, and put up the menubar that |
868 | should be there. */ | |
869 | XtManageChild (x->menubar_widget); | |
870 | XtMapWidget (x->menubar_widget); | |
871 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 872 | |
c98fcf4b | 873 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 874 | XtManageChild (x->edit_widget); |
4dedbfe0 | 875 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
876 | |
877 | /* Force the pane widget to resize itself with the right values. */ | |
878 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
18686d47 | 879 | UNBLOCK_INPUT; |
488dd4c4 | 880 | #endif |
f61a541b | 881 | return 1; |
18686d47 RS |
882 | } |
883 | ||
99852628 | 884 | #ifdef USE_LUCID |
1ecb2d3f | 885 | static void |
ebd15611 | 886 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
887 | { |
888 | const char *fn = xsettings_get_system_normal_font (); | |
51b59d79 | 889 | if (fn) |
1ecb2d3f JD |
890 | { |
891 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
892 | if (db) | |
3928f2b6 | 893 | XrmPutStringResource (&db, "*dialog.font", fn); |
1ecb2d3f JD |
894 | } |
895 | } | |
896 | ||
99852628 | 897 | static void |
3928f2b6 | 898 | apply_systemfont_to_menu (struct frame *f, Widget w) |
99852628 JD |
899 | { |
900 | const char *fn = xsettings_get_system_normal_font (); | |
99852628 | 901 | |
3928f2b6 | 902 | if (fn) |
99852628 | 903 | { |
3928f2b6 JD |
904 | XrmDatabase db = XtDatabase (XtDisplay (w)); |
905 | if (db) | |
906 | { | |
907 | XrmPutStringResource (&db, "*menubar*font", fn); | |
908 | XrmPutStringResource (&db, "*popup*font", fn); | |
909 | } | |
99852628 | 910 | } |
99852628 | 911 | } |
3928f2b6 | 912 | |
99852628 JD |
913 | #endif |
914 | ||
4bcdbab1 KH |
915 | /* Set the contents of the menubar widgets of frame F. |
916 | The argument FIRST_TIME is currently ignored; | |
917 | it is set the first time this is called, from initialize_frame_menubar. */ | |
918 | ||
18686d47 | 919 | void |
971de7fb | 920 | set_frame_menubar (FRAME_PTR f, int first_time, int deep_p) |
18686d47 | 921 | { |
62af879c | 922 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
923 | #ifdef USE_X_TOOLKIT |
924 | LWLIB_ID id; | |
925 | #endif | |
faa935b6 | 926 | Lisp_Object items; |
4d19cb8e | 927 | widget_value *wv, *first_wv, *prev_wv = 0; |
916c72e9 | 928 | EMACS_UINT i, last_i = 0; |
ced89c24 | 929 | int *submenu_start, *submenu_end; |
37dc84ff | 930 | int *submenu_top_level_items, *submenu_n_panes; |
cc45fb40 | 931 | |
62af879c KL |
932 | if (! FRAME_X_P (f)) |
933 | abort (); | |
934 | ||
935 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 936 | |
bfc524bc RS |
937 | XSETFRAME (Vmenu_updating_frame, f); |
938 | ||
488dd4c4 | 939 | #ifdef USE_X_TOOLKIT |
7556890b RS |
940 | if (f->output_data.x->id == 0) |
941 | f->output_data.x->id = next_menubar_widget_id++; | |
942 | id = f->output_data.x->id; | |
488dd4c4 | 943 | #endif |
177c0ea7 | 944 | |
88766961 RS |
945 | if (! menubar_widget) |
946 | deep_p = 1; | |
a9be6839 RS |
947 | /* Make the first call for any given frame always go deep. */ |
948 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
949 | { |
950 | deep_p = 1; | |
a9be6839 RS |
951 | f->output_data.x->saved_menu_event = (XEvent*)xmalloc (sizeof (XEvent)); |
952 | f->output_data.x->saved_menu_event->type = 0; | |
745c34fb | 953 | } |
18686d47 | 954 | |
6b61353c KH |
955 | #ifdef USE_GTK |
956 | /* If we have detached menus, we must update deep so detached menus | |
957 | also gets updated. */ | |
958 | deep_p = deep_p || xg_have_tear_offs (); | |
959 | #endif | |
960 | ||
88766961 | 961 | if (deep_p) |
18686d47 | 962 | { |
88766961 RS |
963 | /* Make a widget-value tree representing the entire menu trees. */ |
964 | ||
965 | struct buffer *prev = current_buffer; | |
966 | Lisp_Object buffer; | |
aed13378 | 967 | int specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
968 | int previous_menu_items_used = f->menu_bar_items_used; |
969 | Lisp_Object *previous_items | |
970 | = (Lisp_Object *) alloca (previous_menu_items_used | |
971 | * sizeof (Lisp_Object)); | |
e3019616 | 972 | EMACS_UINT subitems; |
88766961 | 973 | |
0b1cf399 RS |
974 | /* If we are making a new widget, its contents are empty, |
975 | do always reinitialize them. */ | |
976 | if (! menubar_widget) | |
977 | previous_menu_items_used = 0; | |
978 | ||
88766961 RS |
979 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
980 | specbind (Qinhibit_quit, Qt); | |
981 | /* Don't let the debugger step into this code | |
982 | because it is not reentrant. */ | |
983 | specbind (Qdebug_on_next_call, Qnil); | |
984 | ||
89f2614d | 985 | record_unwind_save_match_data (); |
88766961 RS |
986 | if (NILP (Voverriding_local_map_menu_flag)) |
987 | { | |
988 | specbind (Qoverriding_terminal_local_map, Qnil); | |
989 | specbind (Qoverriding_local_map, Qnil); | |
990 | } | |
18686d47 | 991 | |
88766961 | 992 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 993 | |
88766961 | 994 | /* Run the Lucid hook. */ |
950eaee7 | 995 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 996 | |
88766961 RS |
997 | /* If it has changed current-menubar from previous value, |
998 | really recompute the menubar from the value. */ | |
999 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
1000 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 1001 | safe_run_hooks (Qmenu_bar_update_hook); |
88766961 | 1002 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
18686d47 | 1003 | |
88766961 | 1004 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1005 | |
88766961 | 1006 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 1007 | if (previous_menu_items_used) |
72af86bd AS |
1008 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
1009 | previous_menu_items_used * sizeof (Lisp_Object)); | |
8d8a3494 | 1010 | |
ced89c24 RS |
1011 | /* Fill in menu_items with the current menu bar contents. |
1012 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1013 | save_menu_items (); |
1014 | ||
88766961 | 1015 | menu_items = f->menu_bar_vector; |
86c04183 | 1016 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
e3019616 PE |
1017 | subitems = XVECTOR (items)->size / 4; |
1018 | submenu_start = (int *) alloca (subitems * sizeof (int *)); | |
1019 | submenu_end = (int *) alloca (subitems * sizeof (int *)); | |
1020 | submenu_n_panes = (int *) alloca (subitems * sizeof (int)); | |
1021 | submenu_top_level_items = (int *) alloca (subitems * sizeof (int *)); | |
88766961 | 1022 | init_menu_items (); |
e3019616 | 1023 | for (i = 0; i < subitems; i++) |
88766961 RS |
1024 | { |
1025 | Lisp_Object key, string, maps; | |
1026 | ||
ced89c24 RS |
1027 | last_i = i; |
1028 | ||
e3019616 PE |
1029 | key = XVECTOR (items)->contents[4 * i]; |
1030 | string = XVECTOR (items)->contents[4 * i + 1]; | |
1031 | maps = XVECTOR (items)->contents[4 * i + 2]; | |
88766961 RS |
1032 | if (NILP (string)) |
1033 | break; | |
1034 | ||
ced89c24 RS |
1035 | submenu_start[i] = menu_items_used; |
1036 | ||
1037 | menu_items_n_panes = 0; | |
1038 | submenu_top_level_items[i] | |
1039 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1040 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1041 | |
1042 | submenu_end[i] = menu_items_used; | |
1043 | } | |
1044 | ||
1045 | finish_menu_items (); | |
1046 | ||
1047 | /* Convert menu_items into widget_value trees | |
1048 | to display the menu. This cannot evaluate Lisp code. */ | |
1049 | ||
1050 | wv = xmalloc_widget_value (); | |
1051 | wv->name = "menubar"; | |
1052 | wv->value = 0; | |
1053 | wv->enabled = 1; | |
1054 | wv->button_type = BUTTON_TYPE_NONE; | |
1055 | wv->help = Qnil; | |
1056 | first_wv = wv; | |
1057 | ||
e3019616 | 1058 | for (i = 0; i < last_i; i++) |
ced89c24 | 1059 | { |
37dc84ff | 1060 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1061 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1062 | submenu_top_level_items[i]); | |
177c0ea7 | 1063 | if (prev_wv) |
88766961 RS |
1064 | prev_wv->next = wv; |
1065 | else | |
1066 | first_wv->contents = wv; | |
1067 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1068 | wv->enabled = 1; | |
3427a3db | 1069 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1070 | prev_wv = wv; |
1071 | } | |
1072 | ||
88766961 | 1073 | set_buffer_internal_1 (prev); |
8d8a3494 | 1074 | |
88766961 RS |
1075 | /* If there has been no change in the Lisp-level contents |
1076 | of the menu bar, skip redisplaying it. Just exit. */ | |
1077 | ||
510d5bf6 | 1078 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1079 | for (i = 0; i < previous_menu_items_used; i++) |
1080 | if (menu_items_used == i | |
99d3fac7 | 1081 | || (!EQ (previous_items[i], XVECTOR (menu_items)->contents[i]))) |
88766961 | 1082 | break; |
62555c22 | 1083 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1084 | { |
510d5bf6 RS |
1085 | /* The menu items have not changed. Don't bother updating |
1086 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1087 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1088 | discard_menu_items (); |
1fc4d463 | 1089 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1090 | return; |
1091 | } | |
1092 | ||
510d5bf6 | 1093 | /* The menu items are different, so store them in the frame. */ |
1fc4d463 RS |
1094 | f->menu_bar_vector = menu_items; |
1095 | f->menu_bar_items_used = menu_items_used; | |
1096 | ||
bf732638 | 1097 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1098 | unbind_to (specpdl_count, Qnil); |
1099 | ||
88766961 RS |
1100 | /* Now GC cannot happen during the lifetime of the widget_value, |
1101 | so it's safe to store data from a Lisp_String. */ | |
1102 | wv = first_wv->contents; | |
f04366cb | 1103 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1104 | { |
1105 | Lisp_Object string; | |
1106 | string = XVECTOR (items)->contents[i + 1]; | |
1107 | if (NILP (string)) | |
2bf436c3 | 1108 | break; |
51b59d79 | 1109 | wv->name = SSDATA (string); |
2bf436c3 JD |
1110 | update_submenu_strings (wv->contents); |
1111 | wv = wv->next; | |
88766961 RS |
1112 | } |
1113 | ||
4d19cb8e | 1114 | } |
88766961 RS |
1115 | else |
1116 | { | |
1117 | /* Make a widget-value tree containing | |
1118 | just the top level menu bar strings. */ | |
4d19cb8e | 1119 | |
ced89c24 RS |
1120 | wv = xmalloc_widget_value (); |
1121 | wv->name = "menubar"; | |
1122 | wv->value = 0; | |
1123 | wv->enabled = 1; | |
1124 | wv->button_type = BUTTON_TYPE_NONE; | |
1125 | wv->help = Qnil; | |
1126 | first_wv = wv; | |
1127 | ||
88766961 | 1128 | items = FRAME_MENU_BAR_ITEMS (f); |
f04366cb | 1129 | for (i = 0; i < XVECTOR (items)->size; i += 4) |
88766961 RS |
1130 | { |
1131 | Lisp_Object string; | |
1132 | ||
1133 | string = XVECTOR (items)->contents[i + 1]; | |
1134 | if (NILP (string)) | |
1135 | break; | |
1136 | ||
f7fab165 | 1137 | wv = xmalloc_widget_value (); |
51b59d79 | 1138 | wv->name = SSDATA (string); |
88766961 RS |
1139 | wv->value = 0; |
1140 | wv->enabled = 1; | |
3427a3db | 1141 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1142 | wv->help = Qnil; |
fe8fa62f RS |
1143 | /* This prevents lwlib from assuming this |
1144 | menu item is really supposed to be empty. */ | |
1145 | /* The EMACS_INT cast avoids a warning. | |
1146 | This value just has to be different from small integers. */ | |
1147 | wv->call_data = (void *) (EMACS_INT) (-1); | |
88766961 | 1148 | |
177c0ea7 | 1149 | if (prev_wv) |
88766961 RS |
1150 | prev_wv->next = wv; |
1151 | else | |
1152 | first_wv->contents = wv; | |
1153 | prev_wv = wv; | |
1154 | } | |
62555c22 RS |
1155 | |
1156 | /* Forget what we thought we knew about what is in the | |
1157 | detailed contents of the menu bar menus. | |
1158 | Changing the top level always destroys the contents. */ | |
1159 | f->menu_bar_items_used = 0; | |
88766961 | 1160 | } |
4dedbfe0 | 1161 | |
88766961 | 1162 | /* Create or update the menu bar widget. */ |
aa669def RS |
1163 | |
1164 | BLOCK_INPUT; | |
1165 | ||
488dd4c4 JD |
1166 | #ifdef USE_GTK |
1167 | xg_crazy_callback_abort = 1; | |
1168 | if (menubar_widget) | |
1169 | { | |
6b61353c | 1170 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1171 | menu trees we supply, rather than just the menu bar item names. */ |
1172 | xg_modify_menubar_widgets (menubar_widget, | |
1173 | f, | |
1174 | first_wv, | |
1175 | deep_p, | |
1176 | G_CALLBACK (menubar_selection_callback), | |
1177 | G_CALLBACK (popup_deactivate_callback), | |
1178 | G_CALLBACK (menu_highlight_callback)); | |
1179 | } | |
1180 | else | |
1181 | { | |
488dd4c4 | 1182 | menubar_widget |
177c0ea7 | 1183 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1184 | G_CALLBACK (menubar_selection_callback), |
1185 | G_CALLBACK (popup_deactivate_callback), | |
1186 | G_CALLBACK (menu_highlight_callback)); | |
1187 | ||
1188 | f->output_data.x->menubar_widget = menubar_widget; | |
1189 | } | |
1190 | ||
177c0ea7 | 1191 | |
488dd4c4 | 1192 | #else /* not USE_GTK */ |
18686d47 | 1193 | if (menubar_widget) |
4dedbfe0 PR |
1194 | { |
1195 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1196 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1197 | |
1198 | /* The third arg is DEEP_P, which says to consider the entire | |
1199 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1200 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1201 | |
c98fcf4b | 1202 | /* Re-enable the edit widget to resize. */ |
7556890b | 1203 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1204 | } |
18686d47 RS |
1205 | else |
1206 | { | |
9f6fcdc5 JD |
1207 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1208 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1209 | ||
3928f2b6 JD |
1210 | #ifdef USE_LUCID |
1211 | apply_systemfont_to_menu (f, f->output_data.x->column_widget); | |
1212 | #endif | |
1213 | menubar_widget = lw_create_widget ("menubar", "menubar", id, | |
1214 | first_wv, | |
7556890b | 1215 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1216 | 0, |
1217 | popup_activate_callback, | |
1218 | menubar_selection_callback, | |
850df50b GM |
1219 | popup_deactivate_callback, |
1220 | menu_highlight_callback); | |
7556890b | 1221 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1222 | |
1223 | /* Make menu pop down on C-g. */ | |
1224 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1225 | } |
1d1c1567 KH |
1226 | |
1227 | { | |
cf28cebc | 1228 | int menubar_size; |
723f5a07 J |
1229 | if (f->output_data.x->menubar_widget) |
1230 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1231 | ||
cf28cebc | 1232 | menubar_size |
7556890b RS |
1233 | = (f->output_data.x->menubar_widget |
1234 | ? (f->output_data.x->menubar_widget->core.height | |
1235 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1236 | : 0); |
1237 | ||
5c646d5a JD |
1238 | #if 1 /* Experimentally, we now get the right results |
1239 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1240 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1241 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1242 | #ifdef USE_LUCID |
1d1c1567 KH |
1243 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1244 | { | |
1245 | Dimension ibw = 0; | |
7556890b | 1246 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1247 | XtNinternalBorderWidth, &ibw, NULL); |
1248 | menubar_size += ibw; | |
1249 | } | |
5ee80bd3 | 1250 | #endif /* USE_LUCID */ |
5c646d5a | 1251 | #endif /* 1 */ |
1d1c1567 | 1252 | |
7556890b | 1253 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1254 | } |
488dd4c4 | 1255 | #endif /* not USE_GTK */ |
177c0ea7 | 1256 | |
18686d47 | 1257 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1258 | update_frame_menubar (f); |
18686d47 | 1259 | |
488dd4c4 JD |
1260 | #ifdef USE_GTK |
1261 | xg_crazy_callback_abort = 0; | |
1262 | #endif | |
1263 | ||
18686d47 RS |
1264 | UNBLOCK_INPUT; |
1265 | } | |
85f487d1 | 1266 | |
8e6208c5 | 1267 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1268 | before it is mapped, so that the window is mapped with the menubar already |
1269 | there instead of us tacking it on later and thrashing the window after it | |
1270 | is visible. */ | |
1271 | ||
1272 | void | |
971de7fb | 1273 | initialize_frame_menubar (FRAME_PTR f) |
4dedbfe0 PR |
1274 | { |
1275 | /* This function is called before the first chance to redisplay | |
1276 | the frame. It has to be, so the frame will have the right size. */ | |
1277 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); | |
88766961 | 1278 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1279 | } |
1280 | ||
aba25348 | 1281 | |
4dedbfe0 | 1282 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1283 | This is used when deleting a frame, and when turning off the menu bar. |
1284 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1285 | |
488dd4c4 | 1286 | #ifndef USE_GTK |
85f487d1 | 1287 | void |
ebd15611 | 1288 | free_frame_menubar (FRAME_PTR f) |
85f487d1 FP |
1289 | { |
1290 | Widget menubar_widget; | |
85f487d1 | 1291 | |
62af879c KL |
1292 | if (! FRAME_X_P (f)) |
1293 | abort (); | |
1294 | ||
7556890b | 1295 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1296 | |
1297 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1298 | |
85f487d1 FP |
1299 | if (menubar_widget) |
1300 | { | |
aba25348 GM |
1301 | #ifdef USE_MOTIF |
1302 | /* Removing the menu bar magically changes the shell widget's x | |
1303 | and y position of (0, 0) which, when the menu bar is turned | |
1304 | on again, leads to pull-down menuss appearing in strange | |
1305 | positions near the upper-left corner of the display. This | |
1306 | happens only with some window managers like twm and ctwm, | |
1307 | but not with other like Motif's mwm or kwm, because the | |
1308 | latter generate ConfigureNotify events when the menu bar | |
1309 | is switched off, which fixes the shell position. */ | |
1310 | Position x0, y0, x1, y1; | |
1311 | #endif | |
177c0ea7 | 1312 | |
85f487d1 | 1313 | BLOCK_INPUT; |
aba25348 GM |
1314 | |
1315 | #ifdef USE_MOTIF | |
ae556422 GM |
1316 | if (f->output_data.x->widget) |
1317 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1318 | #endif |
177c0ea7 | 1319 | |
7556890b | 1320 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1321 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1322 | |
ae556422 GM |
1323 | if (f->output_data.x->widget) |
1324 | { | |
23243f29 | 1325 | #ifdef USE_MOTIF |
ae556422 GM |
1326 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1327 | if (x1 == 0 && y1 == 0) | |
1328 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1329 | #endif |
23243f29 J |
1330 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
1331 | } | |
85f487d1 FP |
1332 | UNBLOCK_INPUT; |
1333 | } | |
1334 | } | |
488dd4c4 | 1335 | #endif /* not USE_GTK */ |
78589e07 | 1336 | |
488dd4c4 | 1337 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1338 | \f |
1339 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1340 | and returns the value selected from it. | |
1341 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1342 | Both assume input is blocked by the caller. */ | |
1343 | ||
1344 | /* F is the frame the menu is for. | |
1345 | X and Y are the frame-relative specified position, | |
1346 | relative to the inside upper left corner of the frame F. | |
c8b5aa3d | 1347 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
78589e07 RS |
1348 | KEYMAPS is 1 if this menu was specified with keymaps; |
1349 | in that case, we return a list containing the chosen item's value | |
1350 | and perhaps also the pane's prefix. | |
1351 | TITLE is the specified menu title. | |
1352 | ERROR is a place to store an error message string in case of failure. | |
1353 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1354 | |
488dd4c4 JD |
1355 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1356 | ||
1357 | /* The item selected in the popup menu. */ | |
1358 | static Lisp_Object *volatile menu_item_selection; | |
1359 | ||
1360 | #ifdef USE_GTK | |
1361 | ||
1362 | /* Used when position a popup menu. See menu_position_func and | |
1363 | create_and_show_popup_menu below. */ | |
1364 | struct next_popup_x_y | |
1365 | { | |
7b76ca1c | 1366 | FRAME_PTR f; |
488dd4c4 JD |
1367 | int x; |
1368 | int y; | |
1369 | }; | |
1370 | ||
1371 | /* The menu position function to use if we are not putting a popup | |
1372 | menu where the pointer is. | |
1373 | MENU is the menu to pop up. | |
1374 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1375 | PUSH_IN is not documented in the GTK manual. | |
1376 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1377 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1378 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1379 | |
1380 | Here only X and Y are used. */ | |
1381 | static void | |
971de7fb | 1382 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1383 | { |
7b76ca1c JD |
1384 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1385 | GtkRequisition req; | |
fd2f80c6 CY |
1386 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1387 | int disp_width = x_display_pixel_width (dpyinfo); | |
1388 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1389 | |
7b76ca1c JD |
1390 | *x = data->x; |
1391 | *y = data->y; | |
1392 | ||
1393 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1394 | the menu is fully visible. */ | |
0afb4571 | 1395 | gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &req); |
7b76ca1c JD |
1396 | if (data->x + req.width > disp_width) |
1397 | *x -= data->x + req.width - disp_width; | |
1398 | if (data->y + req.height > disp_height) | |
1399 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1400 | } |
1401 | ||
1402 | static void | |
971de7fb | 1403 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1404 | { |
1405 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1406 | ||
1407 | if (xg_crazy_callback_abort) return; | |
1408 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1409 | } | |
1410 | ||
af89e871 | 1411 | static Lisp_Object |
971de7fb | 1412 | pop_down_menu (Lisp_Object arg) |
af89e871 | 1413 | { |
a130b901 JD |
1414 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1415 | ||
af89e871 | 1416 | popup_activated_flag = 0; |
a130b901 JD |
1417 | BLOCK_INPUT; |
1418 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); | |
1419 | UNBLOCK_INPUT; | |
af89e871 JD |
1420 | return Qnil; |
1421 | } | |
1422 | ||
488dd4c4 JD |
1423 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1424 | menu pops down. | |
1425 | menu_item_selection will be set to the selection. */ | |
1426 | static void | |
971de7fb | 1427 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, int for_click, EMACS_UINT timestamp) |
488dd4c4 JD |
1428 | { |
1429 | int i; | |
1430 | GtkWidget *menu; | |
1431 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1432 | struct next_popup_x_y popup_x_y; | |
af89e871 | 1433 | int specpdl_count = SPECPDL_INDEX (); |
488dd4c4 | 1434 | |
62af879c KL |
1435 | if (! FRAME_X_P (f)) |
1436 | abort (); | |
1437 | ||
488dd4c4 JD |
1438 | xg_crazy_callback_abort = 1; |
1439 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1440 | G_CALLBACK (popup_selection_callback), | |
1441 | G_CALLBACK (popup_deactivate_callback), | |
1442 | G_CALLBACK (menu_highlight_callback)); | |
1443 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1444 | |
488dd4c4 JD |
1445 | if (! for_click) |
1446 | { | |
1447 | /* Not invoked by a click. pop up at x/y. */ | |
1448 | pos_func = menu_position_func; | |
1449 | ||
1450 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1451 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1452 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1453 | |
1454 | popup_x_y.x = x; | |
1455 | popup_x_y.y = y; | |
7b76ca1c | 1456 | popup_x_y.f = f; |
488dd4c4 | 1457 | |
9b85e63d JD |
1458 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1459 | } | |
1460 | else | |
1461 | { | |
1462 | for (i = 0; i < 5; i++) | |
1463 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1464 | break; | |
1465 | } | |
59cfb104 | 1466 | |
488dd4c4 JD |
1467 | /* Display the menu. */ |
1468 | gtk_widget_show_all (menu); | |
c0df13a6 | 1469 | |
a20903d0 | 1470 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
eb99095d | 1471 | timestamp > 0 ? timestamp : gtk_get_current_event_time()); |
177c0ea7 | 1472 | |
a130b901 | 1473 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1474 | |
e547b051 | 1475 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1476 | { |
1477 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1478 | two. show_help_echo uses this to detect popup menus. */ | |
1479 | popup_activated_flag = 1; | |
1480 | /* Process events that apply to the menu. */ | |
1481 | popup_widget_loop (1, menu); | |
1482 | } | |
488dd4c4 | 1483 | |
af89e871 | 1484 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1485 | |
488dd4c4 JD |
1486 | /* Must reset this manually because the button release event is not passed |
1487 | to Emacs event loop. */ | |
1488 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1489 | } | |
1490 | ||
1491 | #else /* not USE_GTK */ | |
18686d47 | 1492 | |
8ed87156 | 1493 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1494 | library. |
1495 | ||
1496 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1497 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1498 | |
88766961 RS |
1499 | For menu bars, we use numbers starting at 0, counted in |
1500 | next_menubar_widget_id. */ | |
8ed87156 | 1501 | LWLIB_ID widget_id_tick; |
165e1749 | 1502 | |
4dedbfe0 | 1503 | static void |
ebd15611 | 1504 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 PR |
1505 | { |
1506 | menu_item_selection = (Lisp_Object *) client_data; | |
1507 | } | |
1508 | ||
af89e871 JD |
1509 | /* ARG is the LWLIB ID of the dialog box, represented |
1510 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1511 | ||
1512 | static Lisp_Object | |
ebd15611 | 1513 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1514 | { |
1515 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1516 | | XINT (XCDR (arg))); | |
1517 | ||
1518 | BLOCK_INPUT; | |
1519 | lw_destroy_all_widgets (id); | |
1520 | UNBLOCK_INPUT; | |
1521 | popup_activated_flag = 0; | |
1522 | ||
1523 | return Qnil; | |
1524 | } | |
1525 | ||
488dd4c4 JD |
1526 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1527 | menu pops down. | |
1528 | menu_item_selection will be set to the selection. */ | |
1529 | static void | |
2b23d2a6 AS |
1530 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, |
1531 | int x, int y, int for_click, EMACS_UINT timestamp) | |
488dd4c4 JD |
1532 | { |
1533 | int i; | |
1534 | Arg av[2]; | |
1535 | int ac = 0; | |
65969f63 CY |
1536 | XEvent dummy; |
1537 | XButtonPressedEvent *event = &(dummy.xbutton); | |
488dd4c4 JD |
1538 | LWLIB_ID menu_id; |
1539 | Widget menu; | |
488dd4c4 | 1540 | |
62af879c KL |
1541 | if (! FRAME_X_P (f)) |
1542 | abort (); | |
1543 | ||
3928f2b6 JD |
1544 | #ifdef USE_LUCID |
1545 | apply_systemfont_to_menu (f, f->output_data.x->widget); | |
1546 | #endif | |
1547 | ||
488dd4c4 JD |
1548 | menu_id = widget_id_tick++; |
1549 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1550 | f->output_data.x->widget, 1, 0, | |
1551 | popup_selection_callback, | |
1552 | popup_deactivate_callback, | |
1553 | menu_highlight_callback); | |
1554 | ||
65969f63 CY |
1555 | event->type = ButtonPress; |
1556 | event->serial = 0; | |
1557 | event->send_event = 0; | |
1558 | event->display = FRAME_X_DISPLAY (f); | |
1559 | event->time = CurrentTime; | |
1560 | event->root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1561 | event->window = event->subwindow = event->root; | |
1562 | event->x = x; | |
1563 | event->y = y; | |
488dd4c4 JD |
1564 | |
1565 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1566 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1567 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 | 1568 | |
65969f63 CY |
1569 | event->x_root = x; |
1570 | event->y_root = y; | |
488dd4c4 | 1571 | |
65969f63 CY |
1572 | event->state = 0; |
1573 | event->button = 0; | |
488dd4c4 JD |
1574 | for (i = 0; i < 5; i++) |
1575 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
65969f63 | 1576 | event->button = i; |
488dd4c4 JD |
1577 | |
1578 | /* Don't allow any geometry request from the user. */ | |
1579 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1580 | XtSetValues (menu, av, ac); | |
1581 | ||
1582 | /* Display the menu. */ | |
65969f63 | 1583 | lw_popup_menu (menu, &dummy); |
488dd4c4 | 1584 | popup_activated_flag = 1; |
98a20c65 | 1585 | x_activate_timeout_atimer (); |
59cfb104 | 1586 | |
af89e871 JD |
1587 | { |
1588 | int fact = 4 * sizeof (LWLIB_ID); | |
1589 | int specpdl_count = SPECPDL_INDEX (); | |
1590 | record_unwind_protect (pop_down_menu, | |
1591 | Fcons (make_number (menu_id >> (fact)), | |
1592 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1593 | |
af89e871 | 1594 | /* Process events that apply to the menu. */ |
95bdef2e | 1595 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1596 | |
af89e871 JD |
1597 | unbind_to (specpdl_count, Qnil); |
1598 | } | |
488dd4c4 JD |
1599 | } |
1600 | ||
1601 | #endif /* not USE_GTK */ | |
1602 | ||
ef7417fd SM |
1603 | Lisp_Object |
1604 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, | |
d4323972 | 1605 | Lisp_Object title, const char **error_name, EMACS_UINT timestamp) |
18686d47 | 1606 | { |
78589e07 | 1607 | int i; |
78589e07 | 1608 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 RS |
1609 | widget_value **submenu_stack |
1610 | = (widget_value **) alloca (menu_items_used * sizeof (widget_value *)); | |
1611 | Lisp_Object *subprefix_stack | |
1612 | = (Lisp_Object *) alloca (menu_items_used * sizeof (Lisp_Object)); | |
1613 | int submenu_depth = 0; | |
4e8d3549 | 1614 | |
78c8278d RS |
1615 | int first_pane; |
1616 | ||
62af879c KL |
1617 | if (! FRAME_X_P (f)) |
1618 | abort (); | |
1619 | ||
d4323972 | 1620 | *error_name = NULL; |
78589e07 | 1621 | |
742f715d KH |
1622 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1623 | { | |
d4323972 | 1624 | *error_name = "Empty menu"; |
742f715d KH |
1625 | return Qnil; |
1626 | } | |
63c414df | 1627 | |
78589e07 RS |
1628 | /* Create a tree of widget_value objects |
1629 | representing the panes and their items. */ | |
f7fab165 | 1630 | wv = xmalloc_widget_value (); |
78589e07 RS |
1631 | wv->name = "menu"; |
1632 | wv->value = 0; | |
1633 | wv->enabled = 1; | |
3427a3db | 1634 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1635 | wv->help =Qnil; |
78589e07 | 1636 | first_wv = wv; |
78c8278d | 1637 | first_pane = 1; |
177c0ea7 | 1638 | |
78589e07 RS |
1639 | /* Loop over all panes and items, filling in the tree. */ |
1640 | i = 0; | |
1641 | while (i < menu_items_used) | |
1642 | { | |
101bb4a5 RS |
1643 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1644 | { | |
1645 | submenu_stack[submenu_depth++] = save_wv; | |
1646 | save_wv = prev_wv; | |
1647 | prev_wv = 0; | |
78c8278d | 1648 | first_pane = 1; |
101bb4a5 RS |
1649 | i++; |
1650 | } | |
1651 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1652 | { | |
1653 | prev_wv = save_wv; | |
1654 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1655 | first_pane = 0; |
101bb4a5 RS |
1656 | i++; |
1657 | } | |
1658 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt) | |
1659 | && submenu_depth != 0) | |
1660 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1661 | /* Ignore a nil in the item list. |
1662 | It's meaningful only for dialog boxes. */ | |
1663 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1664 | i += 1; | |
101bb4a5 | 1665 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
78589e07 RS |
1666 | { |
1667 | /* Create a new pane. */ | |
1668 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 1669 | const char *pane_string; |
177c0ea7 | 1670 | |
4c329aa8 GM |
1671 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1672 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1673 | |
703dc2a8 | 1674 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1675 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1676 | { | |
8af9fa55 | 1677 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1678 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1679 | } |
703dc2a8 | 1680 | #endif |
78589e07 | 1681 | pane_string = (NILP (pane_name) |
51b59d79 | 1682 | ? "" : SSDATA (pane_name)); |
101bb4a5 | 1683 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1684 | under the top-level menu. */ |
1685 | if (menu_items_n_panes == 1) | |
1686 | pane_string = ""; | |
1687 | ||
1688 | /* If the pane has a meaningful name, | |
1689 | make the pane a top-level menu item | |
1690 | with its items as a submenu beneath it. */ | |
78c8278d | 1691 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1692 | { |
f7fab165 | 1693 | wv = xmalloc_widget_value (); |
78589e07 RS |
1694 | if (save_wv) |
1695 | save_wv->next = wv; | |
1696 | else | |
1697 | first_wv->contents = wv; | |
1698 | wv->name = pane_string; | |
1699 | if (keymaps && !NILP (prefix)) | |
1700 | wv->name++; | |
1701 | wv->value = 0; | |
1702 | wv->enabled = 1; | |
3427a3db | 1703 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1704 | wv->help = Qnil; |
78c8278d RS |
1705 | save_wv = wv; |
1706 | prev_wv = 0; | |
78589e07 | 1707 | } |
78c8278d RS |
1708 | else if (first_pane) |
1709 | { | |
1710 | save_wv = wv; | |
1711 | prev_wv = 0; | |
1712 | } | |
1713 | first_pane = 0; | |
78589e07 RS |
1714 | i += MENU_ITEMS_PANE_LENGTH; |
1715 | } | |
1716 | else | |
1717 | { | |
1718 | /* Create a new item within current pane. */ | |
9cd50434 | 1719 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1720 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1721 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1722 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1723 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1724 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1725 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1726 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1727 | |
703dc2a8 | 1728 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1729 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1730 | { |
646f98ec | 1731 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1732 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1733 | } |
177c0ea7 | 1734 | |
3427a3db | 1735 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1736 | { |
646f98ec | 1737 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1738 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1739 | } |
1740 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1741 | |
f7fab165 | 1742 | wv = xmalloc_widget_value (); |
177c0ea7 | 1743 | if (prev_wv) |
78589e07 | 1744 | prev_wv->next = wv; |
177c0ea7 | 1745 | else |
78589e07 | 1746 | save_wv->contents = wv; |
51b59d79 | 1747 | wv->name = SSDATA (item_name); |
78589e07 | 1748 | if (!NILP (descrip)) |
51b59d79 | 1749 | wv->key = SSDATA (descrip); |
78589e07 | 1750 | wv->value = 0; |
a352a815 RS |
1751 | /* If this item has a null value, |
1752 | make the call_data null so that it won't display a box | |
1753 | when the mouse is on it. */ | |
1754 | wv->call_data | |
1755 | = (!NILP (def) ? (void *) &XVECTOR (menu_items)->contents[i] : 0); | |
78589e07 | 1756 | wv->enabled = !NILP (enable); |
3427a3db GM |
1757 | |
1758 | if (NILP (type)) | |
1759 | wv->button_type = BUTTON_TYPE_NONE; | |
1760 | else if (EQ (type, QCtoggle)) | |
1761 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1762 | else if (EQ (type, QCradio)) | |
1763 | wv->button_type = BUTTON_TYPE_RADIO; | |
1764 | else | |
1765 | abort (); | |
1766 | ||
1767 | wv->selected = !NILP (selected); | |
cc45fb40 | 1768 | |
0b1f4572 RS |
1769 | if (! STRINGP (help)) |
1770 | help = Qnil; | |
1771 | ||
1772 | wv->help = help; | |
cc45fb40 | 1773 | |
78589e07 RS |
1774 | prev_wv = wv; |
1775 | ||
1776 | i += MENU_ITEMS_ITEM_LENGTH; | |
1777 | } | |
1778 | } | |
1779 | ||
c98fcf4b | 1780 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1781 | if (!NILP (title)) |
1782 | { | |
f7fab165 RS |
1783 | widget_value *wv_title = xmalloc_widget_value (); |
1784 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1785 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1786 | |
1787 | wv_sep2->name = "--"; | |
1788 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1789 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1790 | |
1791 | wv_sep1->name = "--"; | |
1792 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1793 | wv_sep1->help = Qnil; |
4dedbfe0 | 1794 | |
703dc2a8 KH |
1795 | #ifndef HAVE_MULTILINGUAL_MENU |
1796 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1797 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1798 | #endif |
177c0ea7 | 1799 | |
51b59d79 | 1800 | wv_title->name = SSDATA (title); |
cc45fb40 | 1801 | wv_title->enabled = TRUE; |
3427a3db | 1802 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1803 | wv_title->help = Qnil; |
a9d8395f | 1804 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1805 | first_wv->contents = wv_title; |
1806 | } | |
1807 | ||
78589e07 RS |
1808 | /* No selection has been chosen yet. */ |
1809 | menu_item_selection = 0; | |
1810 | ||
488dd4c4 | 1811 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1812 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1813 | |
488dd4c4 JD |
1814 | /* Free the widget_value objects we used to specify the contents. */ |
1815 | free_menubar_widget_value_tree (first_wv); | |
18686d47 | 1816 | |
78589e07 RS |
1817 | /* Find the selected item, and its pane, to return |
1818 | the proper value. */ | |
1819 | if (menu_item_selection != 0) | |
1820 | { | |
c63f6952 | 1821 | Lisp_Object prefix, entry; |
78589e07 | 1822 | |
6bbd7a29 | 1823 | prefix = entry = Qnil; |
78589e07 RS |
1824 | i = 0; |
1825 | while (i < menu_items_used) | |
1826 | { | |
101bb4a5 RS |
1827 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1828 | { | |
1829 | subprefix_stack[submenu_depth++] = prefix; | |
1830 | prefix = entry; | |
1831 | i++; | |
1832 | } | |
1833 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1834 | { | |
1835 | prefix = subprefix_stack[--submenu_depth]; | |
1836 | i++; | |
1837 | } | |
1838 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
78589e07 RS |
1839 | { |
1840 | prefix | |
1841 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
1842 | i += MENU_ITEMS_PANE_LENGTH; | |
1843 | } | |
d31d42cc RS |
1844 | /* Ignore a nil in the item list. |
1845 | It's meaningful only for dialog boxes. */ | |
1846 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1847 | i += 1; | |
78589e07 RS |
1848 | else |
1849 | { | |
1850 | entry | |
1851 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
1852 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
1853 | { | |
1854 | if (keymaps != 0) | |
1855 | { | |
101bb4a5 RS |
1856 | int j; |
1857 | ||
78589e07 RS |
1858 | entry = Fcons (entry, Qnil); |
1859 | if (!NILP (prefix)) | |
1860 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1861 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1862 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1863 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1864 | } |
1865 | return entry; | |
1866 | } | |
1867 | i += MENU_ITEMS_ITEM_LENGTH; | |
1868 | } | |
1869 | } | |
1870 | } | |
be6ed24a RS |
1871 | else if (!for_click) |
1872 | /* Make "Cancel" equivalent to C-g. */ | |
1873 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1874 | |
1875 | return Qnil; | |
18686d47 | 1876 | } |
4dedbfe0 | 1877 | \f |
488dd4c4 JD |
1878 | #ifdef USE_GTK |
1879 | static void | |
971de7fb | 1880 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1881 | { |
1882 | /* The EMACS_INT cast avoids a warning. There's no problem | |
1883 | as long as pointers have enough bits to hold small integers. */ | |
1884 | if ((int) (EMACS_INT) client_data != -1) | |
1885 | menu_item_selection = (Lisp_Object *) client_data; | |
1886 | ||
1887 | popup_activated_flag = 0; | |
1888 | } | |
1889 | ||
1890 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1891 | dialog pops down. | |
1892 | menu_item_selection will be set to the selection. */ | |
1893 | static void | |
971de7fb | 1894 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1895 | { |
1896 | GtkWidget *menu; | |
1897 | ||
62af879c KL |
1898 | if (! FRAME_X_P (f)) |
1899 | abort (); | |
1900 | ||
488dd4c4 JD |
1901 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1902 | G_CALLBACK (dialog_selection_callback), | |
1903 | G_CALLBACK (popup_deactivate_callback), | |
1904 | 0); | |
1905 | ||
1906 | if (menu) | |
1907 | { | |
af89e871 | 1908 | int specpdl_count = SPECPDL_INDEX (); |
a130b901 | 1909 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1910 | |
488dd4c4 JD |
1911 | /* Display the menu. */ |
1912 | gtk_widget_show_all (menu); | |
1913 | ||
1914 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1915 | popup_widget_loop (1, menu); |
177c0ea7 | 1916 | |
af89e871 | 1917 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1918 | } |
1919 | } | |
1920 | ||
1921 | #else /* not USE_GTK */ | |
4dedbfe0 | 1922 | static void |
ebd15611 | 1923 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1924 | { |
01d5e892 RS |
1925 | /* The EMACS_INT cast avoids a warning. There's no problem |
1926 | as long as pointers have enough bits to hold small integers. */ | |
1927 | if ((int) (EMACS_INT) client_data != -1) | |
4dedbfe0 | 1928 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1929 | |
4dedbfe0 PR |
1930 | BLOCK_INPUT; |
1931 | lw_destroy_all_widgets (id); | |
1932 | UNBLOCK_INPUT; | |
9572375b | 1933 | popup_activated_flag = 0; |
4dedbfe0 | 1934 | } |
18686d47 | 1935 | |
488dd4c4 | 1936 | |
488dd4c4 JD |
1937 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1938 | dialog pops down. | |
1939 | menu_item_selection will be set to the selection. */ | |
1940 | static void | |
ebd15611 | 1941 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1942 | { |
1943 | LWLIB_ID dialog_id; | |
1944 | ||
62af879c KL |
1945 | if (!FRAME_X_P (f)) |
1946 | abort(); | |
1947 | ||
488dd4c4 | 1948 | dialog_id = widget_id_tick++; |
52214050 | 1949 | #ifdef USE_LUCID |
1ecb2d3f JD |
1950 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1951 | #endif | |
488dd4c4 JD |
1952 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1953 | f->output_data.x->widget, 1, 0, | |
1954 | dialog_selection_callback, 0, 0); | |
1955 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1956 | /* Display the dialog box. */ |
1957 | lw_pop_up_all_widgets (dialog_id); | |
1958 | popup_activated_flag = 1; | |
98a20c65 | 1959 | x_activate_timeout_atimer (); |
488dd4c4 JD |
1960 | |
1961 | /* Process events that apply to the dialog box. | |
1962 | Also handle timers. */ | |
1963 | { | |
1964 | int count = SPECPDL_INDEX (); | |
1965 | int fact = 4 * sizeof (LWLIB_ID); | |
177c0ea7 | 1966 | |
488dd4c4 | 1967 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 1968 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
1969 | Fcons (make_number (dialog_id >> (fact)), |
1970 | make_number (dialog_id & ~(-1 << (fact))))); | |
1971 | ||
df470e3b | 1972 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 1973 | dialog_id, 1); |
488dd4c4 JD |
1974 | |
1975 | unbind_to (count, Qnil); | |
1976 | } | |
1977 | } | |
1978 | ||
1979 | #endif /* not USE_GTK */ | |
1980 | ||
42ca4633 | 1981 | static const char * button_names [] = { |
165e1749 FP |
1982 | "button1", "button2", "button3", "button4", "button5", |
1983 | "button6", "button7", "button8", "button9", "button10" }; | |
1984 | ||
1985 | static Lisp_Object | |
42ca4633 J |
1986 | xdialog_show (FRAME_PTR f, |
1987 | int keymaps, | |
1988 | Lisp_Object title, | |
1989 | Lisp_Object header, | |
1990 | const char **error_name) | |
165e1749 FP |
1991 | { |
1992 | int i, nb_buttons=0; | |
80670155 | 1993 | char dialog_name[6]; |
165e1749 | 1994 | |
faa935b6 | 1995 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 1996 | |
fcaa7665 RS |
1997 | /* Number of elements seen so far, before boundary. */ |
1998 | int left_count = 0; | |
1999 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
2000 | int boundary_seen = 0; | |
2001 | ||
62af879c KL |
2002 | if (! FRAME_X_P (f)) |
2003 | abort (); | |
2004 | ||
6a040d6a | 2005 | *error_name = NULL; |
165e1749 | 2006 | |
80670155 RS |
2007 | if (menu_items_n_panes > 1) |
2008 | { | |
6a040d6a | 2009 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2010 | return Qnil; |
2011 | } | |
2012 | ||
165e1749 FP |
2013 | /* Create a tree of widget_value objects |
2014 | representing the text label and buttons. */ | |
2015 | { | |
2016 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2017 | const char *pane_string; |
165e1749 FP |
2018 | pane_name = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME]; |
2019 | prefix = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_PREFIX]; | |
2020 | pane_string = (NILP (pane_name) | |
51b59d79 | 2021 | ? "" : SSDATA (pane_name)); |
f7fab165 | 2022 | prev_wv = xmalloc_widget_value (); |
165e1749 FP |
2023 | prev_wv->value = pane_string; |
2024 | if (keymaps && !NILP (prefix)) | |
2025 | prev_wv->name++; | |
2026 | prev_wv->enabled = 1; | |
2027 | prev_wv->name = "message"; | |
27ad7b52 | 2028 | prev_wv->help = Qnil; |
165e1749 | 2029 | first_wv = prev_wv; |
177c0ea7 | 2030 | |
165e1749 FP |
2031 | /* Loop over all panes and items, filling in the tree. */ |
2032 | i = MENU_ITEMS_PANE_LENGTH; | |
2033 | while (i < menu_items_used) | |
2034 | { | |
177c0ea7 | 2035 | |
165e1749 FP |
2036 | /* Create a new item within current pane. */ |
2037 | Lisp_Object item_name, enable, descrip; | |
2038 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2039 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2040 | descrip | |
2041 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
177c0ea7 | 2042 | |
80670155 RS |
2043 | if (NILP (item_name)) |
2044 | { | |
2045 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2046 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2047 | return Qnil; |
2048 | } | |
fcaa7665 RS |
2049 | if (EQ (item_name, Qquote)) |
2050 | { | |
2051 | /* This is the boundary between left-side elts | |
2052 | and right-side elts. Stop incrementing right_count. */ | |
2053 | boundary_seen = 1; | |
2054 | i++; | |
2055 | continue; | |
2056 | } | |
86e71abf | 2057 | if (nb_buttons >= 9) |
80670155 RS |
2058 | { |
2059 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2060 | *error_name = "Too many dialog items"; |
80670155 RS |
2061 | return Qnil; |
2062 | } | |
2063 | ||
f7fab165 | 2064 | wv = xmalloc_widget_value (); |
165e1749 | 2065 | prev_wv->next = wv; |
80670155 | 2066 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2067 | if (!NILP (descrip)) |
51b59d79 PE |
2068 | wv->key = SSDATA (descrip); |
2069 | wv->value = SSDATA (item_name); | |
165e1749 FP |
2070 | wv->call_data = (void *) &XVECTOR (menu_items)->contents[i]; |
2071 | wv->enabled = !NILP (enable); | |
27ad7b52 | 2072 | wv->help = Qnil; |
165e1749 FP |
2073 | prev_wv = wv; |
2074 | ||
fcaa7665 RS |
2075 | if (! boundary_seen) |
2076 | left_count++; | |
2077 | ||
165e1749 FP |
2078 | nb_buttons++; |
2079 | i += MENU_ITEMS_ITEM_LENGTH; | |
2080 | } | |
2081 | ||
fcaa7665 RS |
2082 | /* If the boundary was not specified, |
2083 | by default put half on the left and half on the right. */ | |
2084 | if (! boundary_seen) | |
2085 | left_count = nb_buttons - nb_buttons / 2; | |
2086 | ||
f7fab165 | 2087 | wv = xmalloc_widget_value (); |
80670155 | 2088 | wv->name = dialog_name; |
27ad7b52 | 2089 | wv->help = Qnil; |
6a040d6a NR |
2090 | |
2091 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2092 | Can also have 'E' = Error if, one day, we want | |
2093 | a popup for errors. */ | |
2094 | if (NILP(header)) | |
2095 | dialog_name[0] = 'Q'; | |
2096 | else | |
2097 | dialog_name[0] = 'I'; | |
2098 | ||
80670155 RS |
2099 | /* Dialog boxes use a really stupid name encoding |
2100 | which specifies how many buttons to use | |
6a040d6a | 2101 | and how many buttons are on the right. */ |
80670155 RS |
2102 | dialog_name[1] = '0' + nb_buttons; |
2103 | dialog_name[2] = 'B'; | |
2104 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2105 | /* Number of buttons to put on the right. */ |
2106 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2107 | dialog_name[5] = 0; |
165e1749 FP |
2108 | wv->contents = first_wv; |
2109 | first_wv = wv; | |
165e1749 FP |
2110 | } |
2111 | ||
165e1749 FP |
2112 | /* No selection has been chosen yet. */ |
2113 | menu_item_selection = 0; | |
2114 | ||
488dd4c4 JD |
2115 | /* Actually create and show the dialog. */ |
2116 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2117 | |
488dd4c4 JD |
2118 | /* Free the widget_value objects we used to specify the contents. */ |
2119 | free_menubar_widget_value_tree (first_wv); | |
177c0ea7 | 2120 | |
488dd4c4 JD |
2121 | /* Find the selected item, and its pane, to return |
2122 | the proper value. */ | |
165e1749 FP |
2123 | if (menu_item_selection != 0) |
2124 | { | |
2125 | Lisp_Object prefix; | |
2126 | ||
2127 | prefix = Qnil; | |
2128 | i = 0; | |
2129 | while (i < menu_items_used) | |
2130 | { | |
2131 | Lisp_Object entry; | |
2132 | ||
2133 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
2134 | { | |
2135 | prefix | |
2136 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2137 | i += MENU_ITEMS_PANE_LENGTH; | |
2138 | } | |
85996cfb GM |
2139 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) |
2140 | { | |
2141 | /* This is the boundary between left-side elts and | |
2142 | right-side elts. */ | |
2143 | ++i; | |
2144 | } | |
165e1749 FP |
2145 | else |
2146 | { | |
2147 | entry | |
2148 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2149 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
2150 | { | |
2151 | if (keymaps != 0) | |
2152 | { | |
2153 | entry = Fcons (entry, Qnil); | |
2154 | if (!NILP (prefix)) | |
2155 | entry = Fcons (prefix, entry); | |
2156 | } | |
2157 | return entry; | |
2158 | } | |
2159 | i += MENU_ITEMS_ITEM_LENGTH; | |
2160 | } | |
2161 | } | |
2162 | } | |
9f6fcdc5 JD |
2163 | else |
2164 | /* Make "Cancel" equivalent to C-g. */ | |
2165 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2166 | |
2167 | return Qnil; | |
2168 | } | |
ba461919 | 2169 | |
488dd4c4 | 2170 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2171 | |
3e703b25 GM |
2172 | /* The frame of the last activated non-toolkit menu bar. |
2173 | Used to generate menu help events. */ | |
2174 | ||
2175 | static struct frame *menu_help_frame; | |
2176 | ||
2177 | ||
62145073 GM |
2178 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2179 | ||
2180 | PANE is the pane number, and ITEM is the menu item number in | |
2181 | the menu (currently not used). | |
177c0ea7 | 2182 | |
62145073 GM |
2183 | This cannot be done with generating a HELP_EVENT because |
2184 | XMenuActivate contains a loop that doesn't let Emacs process | |
2185 | keyboard events. */ | |
3e703b25 GM |
2186 | |
2187 | static void | |
0521f580 | 2188 | menu_help_callback (char *help_string, int pane, int item) |
3e703b25 | 2189 | { |
62145073 GM |
2190 | Lisp_Object *first_item; |
2191 | Lisp_Object pane_name; | |
2192 | Lisp_Object menu_object; | |
177c0ea7 | 2193 | |
62145073 GM |
2194 | first_item = XVECTOR (menu_items)->contents; |
2195 | if (EQ (first_item[0], Qt)) | |
2196 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2197 | else if (EQ (first_item[0], Qquote)) | |
2198 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2199 | pane_name = empty_unibyte_string; |
62145073 GM |
2200 | else |
2201 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2202 | |
62145073 GM |
2203 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2204 | menu_object = Fcons (Qmenu_item, | |
2205 | Fcons (pane_name, | |
2206 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2207 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
f868cd8a | 2208 | Qnil, menu_object, make_number (item)); |
3e703b25 | 2209 | } |
177c0ea7 | 2210 | |
af89e871 | 2211 | static Lisp_Object |
0521f580 | 2212 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2213 | { |
a130b901 JD |
2214 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2215 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2216 | |
a130b901 JD |
2217 | FRAME_PTR f = p1->pointer; |
2218 | XMenu *menu = p2->pointer; | |
af89e871 JD |
2219 | |
2220 | BLOCK_INPUT; | |
af89e871 | 2221 | #ifndef MSDOS |
a130b901 JD |
2222 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2223 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2224 | #endif |
a130b901 | 2225 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2226 | |
2227 | #ifdef HAVE_X_WINDOWS | |
2228 | /* Assume the mouse has moved out of the X window. | |
2229 | If it has actually moved in, we will get an EnterNotify. */ | |
2230 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2231 | ||
2232 | /* State that no mouse buttons are now held. | |
2233 | (The oldXMenu code doesn't track this info for us.) | |
2234 | That is not necessarily true, but the fiction leads to reasonable | |
2235 | results, and it is a pain to ask which are actually held now. */ | |
2236 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2237 | ||
2238 | #endif /* HAVE_X_WINDOWS */ | |
2239 | ||
2240 | UNBLOCK_INPUT; | |
2241 | ||
2242 | return Qnil; | |
2243 | } | |
2244 | ||
3e703b25 | 2245 | |
1fb99a3a | 2246 | Lisp_Object |
2b23d2a6 | 2247 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, |
38e41e0e | 2248 | Lisp_Object title, const char **error, EMACS_UINT timestamp) |
dcfdbac7 | 2249 | { |
177c0ea7 | 2250 | Window root; |
78589e07 RS |
2251 | XMenu *menu; |
2252 | int pane, selidx, lpane, status; | |
2253 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2254 | char *datap; |
2255 | int ulx, uly, width, height; | |
2256 | int dispwidth, dispheight; | |
453a4f1b | 2257 | int i, j, lines, maxlines; |
4e8d3549 | 2258 | int maxwidth; |
78589e07 RS |
2259 | int dummy_int; |
2260 | unsigned int dummy_uint; | |
af89e871 | 2261 | int specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2262 | |
a9e1244d | 2263 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
62af879c KL |
2264 | abort (); |
2265 | ||
07a675b7 | 2266 | *error = 0; |
78589e07 RS |
2267 | if (menu_items_n_panes == 0) |
2268 | return Qnil; | |
088831f6 | 2269 | |
742f715d KH |
2270 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2271 | { | |
2272 | *error = "Empty menu"; | |
2273 | return Qnil; | |
2274 | } | |
2275 | ||
78589e07 | 2276 | /* Figure out which root window F is on. */ |
92280f67 | 2277 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2278 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2279 | &dummy_uint, &dummy_uint); | |
18686d47 | 2280 | |
78589e07 | 2281 | /* Make the menu on that window. */ |
92280f67 | 2282 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2283 | if (menu == NULL) |
dcfdbac7 JB |
2284 | { |
2285 | *error = "Can't create menu"; | |
78589e07 | 2286 | return Qnil; |
dcfdbac7 | 2287 | } |
78589e07 | 2288 | |
d130d129 RS |
2289 | /* Don't GC while we prepare and show the menu, |
2290 | because we give the oldxmenu library pointers to the | |
2291 | contents of strings. */ | |
2292 | inhibit_garbage_collection (); | |
2293 | ||
87485d6f | 2294 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2295 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2296 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2297 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2298 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2299 | |
2300 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2301 | x += f->left_pos; |
2302 | y += f->top_pos; | |
177c0ea7 | 2303 | |
78589e07 | 2304 | /* Create all the necessary panes and their items. */ |
453a4f1b | 2305 | maxlines = lines = i = 0; |
78589e07 | 2306 | while (i < menu_items_used) |
dcfdbac7 | 2307 | { |
78589e07 | 2308 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
dcfdbac7 | 2309 | { |
78589e07 RS |
2310 | /* Create a new pane. */ |
2311 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2312 | const char *pane_string; |
78589e07 | 2313 | |
453a4f1b JD |
2314 | maxlines = max (maxlines, lines); |
2315 | lines = 0; | |
78589e07 RS |
2316 | pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME]; |
2317 | prefix = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2318 | pane_string = (NILP (pane_name) | |
51b59d79 | 2319 | ? "" : SSDATA (pane_name)); |
78589e07 RS |
2320 | if (keymaps && !NILP (prefix)) |
2321 | pane_string++; | |
2322 | ||
92280f67 | 2323 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2324 | if (lpane == XM_FAILURE) |
2325 | { | |
92280f67 | 2326 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
78589e07 RS |
2327 | *error = "Can't create pane"; |
2328 | return Qnil; | |
2329 | } | |
2330 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2331 | |
2332 | /* Find the width of the widest item in this pane. */ | |
2333 | maxwidth = 0; | |
2334 | j = i; | |
2335 | while (j < menu_items_used) | |
2336 | { | |
2337 | Lisp_Object item; | |
2338 | item = XVECTOR (menu_items)->contents[j]; | |
2339 | if (EQ (item, Qt)) | |
2340 | break; | |
2341 | if (NILP (item)) | |
2342 | { | |
2343 | j++; | |
2344 | continue; | |
2345 | } | |
d5db4077 | 2346 | width = SBYTES (item); |
4e8d3549 RS |
2347 | if (width > maxwidth) |
2348 | maxwidth = width; | |
2349 | ||
2350 | j += MENU_ITEMS_ITEM_LENGTH; | |
2351 | } | |
dcfdbac7 | 2352 | } |
fcaa7665 RS |
2353 | /* Ignore a nil in the item list. |
2354 | It's meaningful only for dialog boxes. */ | |
2355 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
2356 | i += 1; | |
78589e07 | 2357 | else |
dcfdbac7 | 2358 | { |
78589e07 | 2359 | /* Create a new item within current pane. */ |
3e703b25 | 2360 | Lisp_Object item_name, enable, descrip, help; |
4e8d3549 | 2361 | unsigned char *item_data; |
3e703b25 | 2362 | char *help_string; |
78589e07 RS |
2363 | |
2364 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2365 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2366 | descrip | |
2367 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
3e703b25 | 2368 | help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP]; |
d5db4077 | 2369 | help_string = STRINGP (help) ? SDATA (help) : NULL; |
177c0ea7 | 2370 | |
78589e07 | 2371 | if (!NILP (descrip)) |
4e8d3549 | 2372 | { |
d5db4077 | 2373 | int gap = maxwidth - SBYTES (item_name); |
4e8d3549 RS |
2374 | /* if alloca is fast, use that to make the space, |
2375 | to reduce gc needs. */ | |
2376 | item_data | |
2377 | = (unsigned char *) alloca (maxwidth | |
d5db4077 | 2378 | + SBYTES (descrip) + 1); |
72af86bd | 2379 | memcpy (item_data, SDATA (item_name), SBYTES (item_name)); |
d5db4077 | 2380 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2381 | item_data[j] = ' '; |
72af86bd | 2382 | memcpy (item_data + j, SDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2383 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2384 | } |
2385 | else | |
d5db4077 | 2386 | item_data = SDATA (item_name); |
78589e07 | 2387 | |
92280f67 RS |
2388 | if (XMenuAddSelection (FRAME_X_DISPLAY (f), |
2389 | menu, lpane, 0, item_data, | |
3e703b25 | 2390 | !NILP (enable), help_string) |
dcfdbac7 JB |
2391 | == XM_FAILURE) |
2392 | { | |
92280f67 | 2393 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
dcfdbac7 | 2394 | *error = "Can't add selection to menu"; |
78589e07 | 2395 | return Qnil; |
dcfdbac7 | 2396 | } |
78589e07 | 2397 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2398 | lines++; |
dcfdbac7 JB |
2399 | } |
2400 | } | |
4e8d3549 | 2401 | |
453a4f1b JD |
2402 | maxlines = max (maxlines, lines); |
2403 | ||
78589e07 | 2404 | /* All set and ready to fly. */ |
92280f67 | 2405 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2406 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2407 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2408 | x = min (x, dispwidth); |
2409 | y = min (y, dispheight); | |
2410 | x = max (x, 1); | |
2411 | y = max (y, 1); | |
92280f67 | 2412 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2413 | &ulx, &uly, &width, &height); |
2414 | if (ulx+width > dispwidth) | |
2415 | { | |
78589e07 | 2416 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2417 | ulx = dispwidth - width; |
2418 | } | |
2419 | if (uly+height > dispheight) | |
2420 | { | |
78589e07 | 2421 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2422 | uly = dispheight - height; |
2423 | } | |
2de7397f EZ |
2424 | #ifndef HAVE_X_WINDOWS |
2425 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2426 | { | |
2427 | /* Move the menu away of the echo area, to avoid overwriting the | |
2428 | menu with help echo messages or vice versa. */ | |
2429 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2430 | { | |
2431 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2432 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2433 | } | |
2434 | else | |
2435 | { | |
2436 | y--; | |
2437 | uly--; | |
2438 | } | |
2439 | } | |
2440 | #endif | |
78589e07 RS |
2441 | if (ulx < 0) x -= ulx; |
2442 | if (uly < 0) y -= uly; | |
121e4555 | 2443 | |
453a4f1b JD |
2444 | if (! for_click) |
2445 | { | |
2446 | /* If position was not given by a mouse click, adjust so upper left | |
2447 | corner of the menu as a whole ends up at given coordinates. This | |
2448 | is what x-popup-menu says in its documentation. */ | |
2449 | x += width/2; | |
2450 | y += 1.5*height/(maxlines+2); | |
2451 | } | |
2452 | ||
121e4555 | 2453 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2454 | XMenuSetFreeze (menu, TRUE); |
2455 | pane = selidx = 0; | |
3e703b25 | 2456 | |
c3438661 JD |
2457 | #ifndef MSDOS |
2458 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2459 | #endif | |
59cfb104 | 2460 | |
a130b901 JD |
2461 | record_unwind_protect (pop_down_menu, |
2462 | Fcons (make_save_value (f, 0), | |
2463 | make_save_value (menu, 0))); | |
c3438661 | 2464 | |
3e703b25 GM |
2465 | /* Help display under X won't work because XMenuActivate contains |
2466 | a loop that doesn't give Emacs a chance to process it. */ | |
2467 | menu_help_frame = f; | |
92280f67 | 2468 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2469 | x, y, ButtonReleaseMask, &datap, |
2470 | menu_help_callback); | |
a352a815 | 2471 | |
dcfdbac7 JB |
2472 | switch (status) |
2473 | { | |
2474 | case XM_SUCCESS: | |
2475 | #ifdef XDEBUG | |
2476 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2477 | #endif | |
fa6d54d9 | 2478 | |
78589e07 RS |
2479 | /* Find the item number SELIDX in pane number PANE. */ |
2480 | i = 0; | |
2481 | while (i < menu_items_used) | |
fa6d54d9 | 2482 | { |
78589e07 | 2483 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
088831f6 | 2484 | { |
78589e07 RS |
2485 | if (pane == 0) |
2486 | pane_prefix | |
2487 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2488 | pane--; | |
2489 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2490 | } |
78589e07 | 2491 | else |
ab6ee1a0 | 2492 | { |
78589e07 | 2493 | if (pane == -1) |
ab6ee1a0 | 2494 | { |
78589e07 | 2495 | if (selidx == 0) |
ab6ee1a0 | 2496 | { |
78589e07 RS |
2497 | entry |
2498 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2499 | if (keymaps != 0) | |
ab6ee1a0 | 2500 | { |
78589e07 RS |
2501 | entry = Fcons (entry, Qnil); |
2502 | if (!NILP (pane_prefix)) | |
2503 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2504 | } |
78589e07 | 2505 | break; |
ab6ee1a0 | 2506 | } |
78589e07 | 2507 | selidx--; |
ab6ee1a0 | 2508 | } |
78589e07 | 2509 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2510 | } |
2511 | } | |
78589e07 | 2512 | break; |
dcfdbac7 | 2513 | |
78589e07 | 2514 | case XM_FAILURE: |
78589e07 RS |
2515 | *error = "Can't activate menu"; |
2516 | case XM_IA_SELECT: | |
9f6fcdc5 JD |
2517 | entry = Qnil; |
2518 | break; | |
78589e07 | 2519 | case XM_NO_SELECT: |
be6ed24a RS |
2520 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2521 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2522 | if (! for_click) |
2523 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
2524 | entry = Qnil; |
2525 | break; | |
dcfdbac7 | 2526 | } |
a5285df3 | 2527 | |
af89e871 | 2528 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2529 | |
78589e07 | 2530 | return entry; |
dcfdbac7 | 2531 | } |
4dedbfe0 | 2532 | |
78589e07 | 2533 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2534 | |
2535 | #endif /* HAVE_MENUS */ | |
e3135734 | 2536 | |
d009ae66 EZ |
2537 | #ifndef MSDOS |
2538 | /* Detect if a dialog or menu has been posted. MSDOS has its own | |
2539 | implementation on msdos.c. */ | |
b79b8a1c CY |
2540 | |
2541 | int | |
971de7fb | 2542 | popup_activated (void) |
b79b8a1c CY |
2543 | { |
2544 | return popup_activated_flag; | |
2545 | } | |
d009ae66 | 2546 | #endif /* not MSDOS */ |
e3135734 CY |
2547 | |
2548 | /* The following is used by delayed window autoselection. */ | |
2549 | ||
2550 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2551 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2552 | (void) |
e3135734 CY |
2553 | { |
2554 | #ifdef HAVE_MENUS | |
2555 | return (popup_activated ()) ? Qt : Qnil; | |
2556 | #else | |
2557 | return Qnil; | |
2558 | #endif /* HAVE_MENUS */ | |
2559 | } | |
088831f6 | 2560 | \f |
dfcf069d | 2561 | void |
971de7fb | 2562 | syms_of_xmenu (void) |
dcfdbac7 | 2563 | { |
d67b4f80 | 2564 | Qdebug_on_next_call = intern_c_string ("debug-on-next-call"); |
0314aacb RS |
2565 | staticpro (&Qdebug_on_next_call); |
2566 | ||
8ed87156 | 2567 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 2568 | widget_id_tick = (1<<16); |
88766961 | 2569 | next_menubar_widget_id = 1; |
8ed87156 RS |
2570 | #endif |
2571 | ||
508fb067 | 2572 | defsubr (&Smenu_or_popup_active_p); |
22badffe JD |
2573 | |
2574 | #if defined (USE_GTK) || defined (USE_X_TOOLKIT) | |
12b6af5c | 2575 | defsubr (&Sx_menu_bar_open_internal); |
d67b4f80 DN |
2576 | Ffset (intern_c_string ("accelerate-menu"), |
2577 | intern_c_string (Sx_menu_bar_open_internal.symbol_name)); | |
22badffe JD |
2578 | #endif |
2579 | ||
1e659e4c | 2580 | #ifdef HAVE_MENUS |
165e1749 | 2581 | defsubr (&Sx_popup_dialog); |
1e659e4c | 2582 | #endif |
dcfdbac7 | 2583 | } |