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 | |
78589e07 | 111 | #endif /* no TRUE */ |
dcfdbac7 | 112 | |
955cbe7b | 113 | static Lisp_Object Qdebug_on_next_call; |
0314aacb | 114 | |
04bab72c | 115 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
f57e2426 | 116 | static Lisp_Object xdialog_show (FRAME_PTR, int, Lisp_Object, Lisp_Object, |
42ca4633 | 117 | const char **); |
3427a3db | 118 | #endif |
78589e07 | 119 | \f |
4dedbfe0 | 120 | /* Flag which when set indicates a dialog or menu has been posted by |
c98fcf4b | 121 | Xt on behalf of one of the widget sets. */ |
488dd4c4 | 122 | static int popup_activated_flag; |
4dedbfe0 | 123 | |
bd3a4da2 | 124 | \f |
88766961 | 125 | #ifdef USE_X_TOOLKIT |
bd3a4da2 | 126 | |
281585b0 PE |
127 | static int next_menubar_widget_id; |
128 | ||
7556890b | 129 | /* Return the frame whose ->output_data.x->id equals ID, or 0 if none. */ |
bd3a4da2 | 130 | |
88766961 | 131 | static struct frame * |
ebd15611 | 132 | menubar_id_to_frame (LWLIB_ID id) |
88766961 RS |
133 | { |
134 | Lisp_Object tail, frame; | |
135 | FRAME_PTR f; | |
bd3a4da2 | 136 | |
8e50cc2d | 137 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
bd3a4da2 | 138 | { |
8e713be6 | 139 | frame = XCAR (tail); |
8e50cc2d | 140 | if (!FRAMEP (frame)) |
88766961 RS |
141 | continue; |
142 | f = XFRAME (frame); | |
2d764c78 | 143 | if (!FRAME_WINDOW_P (f)) |
88766961 | 144 | continue; |
7556890b | 145 | if (f->output_data.x->id == id) |
88766961 | 146 | return f; |
bd3a4da2 | 147 | } |
88766961 | 148 | return 0; |
bd3a4da2 | 149 | } |
88766961 RS |
150 | |
151 | #endif | |
4dedbfe0 | 152 | \f |
a894238b JD |
153 | #ifdef HAVE_X_WINDOWS |
154 | /* Return the mouse position in *X and *Y. The coordinates are window | |
155 | relative for the edit window in frame F. | |
156 | This is for Fx_popup_menu. The mouse_position_hook can not | |
157 | be used for X, as it returns window relative coordinates | |
158 | for the window where the mouse is in. This could be the menu bar, | |
159 | the scroll bar or the edit window. Fx_popup_menu needs to be | |
160 | sure it is the edit window. */ | |
ef7417fd | 161 | void |
971de7fb | 162 | mouse_position_for_popup (FRAME_PTR f, int *x, int *y) |
a894238b JD |
163 | { |
164 | Window root, dummy_window; | |
165 | int dummy; | |
166 | ||
62af879c KL |
167 | if (! FRAME_X_P (f)) |
168 | abort (); | |
169 | ||
a894238b | 170 | BLOCK_INPUT; |
177c0ea7 | 171 | |
a894238b JD |
172 | XQueryPointer (FRAME_X_DISPLAY (f), |
173 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
174 | ||
175 | /* The root window which contains the pointer. */ | |
176 | &root, | |
177 | ||
178 | /* Window pointer is on, not used */ | |
179 | &dummy_window, | |
180 | ||
181 | /* The position on that root window. */ | |
182 | x, y, | |
183 | ||
184 | /* x/y in dummy_window coordinates, not used. */ | |
185 | &dummy, &dummy, | |
186 | ||
187 | /* Modifier keys and pointer buttons, about which | |
188 | we don't care. */ | |
189 | (unsigned int *) &dummy); | |
190 | ||
191 | UNBLOCK_INPUT; | |
192 | ||
193 | /* xmenu_show expects window coordinates, not root window | |
194 | coordinates. Translate. */ | |
9882535b KS |
195 | *x -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
196 | *y -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
a894238b JD |
197 | } |
198 | ||
199 | #endif /* HAVE_X_WINDOWS */ | |
200 | ||
1e659e4c RS |
201 | #ifdef HAVE_MENUS |
202 | ||
a7ca3326 | 203 | DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0, |
f6e34773 | 204 | doc: /* Pop up a dialog box and return user's selection. |
228299fa GM |
205 | POSITION specifies which frame to use. |
206 | This is normally a mouse button event or a window or frame. | |
207 | If POSITION is t, it means to use the frame the mouse is on. | |
208 | The dialog box appears in the middle of the specified frame. | |
209 | ||
210 | CONTENTS specifies the alternatives to display in the dialog box. | |
6a040d6a | 211 | It is a list of the form (DIALOG ITEM1 ITEM2...). |
228299fa GM |
212 | Each ITEM is a cons cell (STRING . VALUE). |
213 | The return value is VALUE from the chosen item. | |
214 | ||
215 | An ITEM may also be just a string--that makes a nonselectable item. | |
216 | An ITEM may also be nil--that means to put all preceding items | |
217 | on the left of the dialog box and all following items on the right. | |
c05fe5d5 LT |
218 | \(By default, approximately half appear on each side.) |
219 | ||
6a040d6a NR |
220 | If HEADER is non-nil, the frame title for the box is "Information", |
221 | otherwise it is "Question". | |
222 | ||
c05fe5d5 LT |
223 | If the user gets rid of the dialog box without making a valid choice, |
224 | for instance using the window manager, then this produces a quit and | |
225 | `x-popup-dialog' does not return. */) | |
5842a27b | 226 | (Lisp_Object position, Lisp_Object contents, Lisp_Object header) |
165e1749 | 227 | { |
cc45fb40 | 228 | FRAME_PTR f = NULL; |
99fe880d | 229 | Lisp_Object window; |
165e1749 FP |
230 | |
231 | check_x (); | |
232 | ||
99fe880d | 233 | /* Decode the first argument: find the window or frame to use. */ |
88d4f6ec | 234 | if (EQ (position, Qt) |
2b06561a DL |
235 | || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar) |
236 | || EQ (XCAR (position), Qtool_bar)))) | |
165e1749 | 237 | { |
b14db4d7 | 238 | #if 0 /* Using the frame the mouse is on may not be right. */ |
99fe880d | 239 | /* Use the mouse's current position. */ |
b404828f | 240 | FRAME_PTR new_f = SELECTED_FRAME (); |
99fe880d | 241 | Lisp_Object bar_window; |
cc45fb40 | 242 | enum scroll_bar_part part; |
08dc5ae6 | 243 | Time time; |
99fe880d | 244 | Lisp_Object x, y; |
165e1749 | 245 | |
46b657e2 | 246 | (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time); |
5ca2ef64 | 247 | |
99fe880d | 248 | if (new_f != 0) |
a39f0477 | 249 | XSETFRAME (window, new_f); |
99fe880d RS |
250 | else |
251 | window = selected_window; | |
b14db4d7 | 252 | #endif |
88d4f6ec | 253 | window = selected_window; |
99fe880d RS |
254 | } |
255 | else if (CONSP (position)) | |
256 | { | |
257 | Lisp_Object tem; | |
258 | tem = Fcar (position); | |
b5bb2705 | 259 | if (CONSP (tem)) |
99fe880d | 260 | window = Fcar (Fcdr (position)); |
80670155 RS |
261 | else |
262 | { | |
99fe880d RS |
263 | tem = Fcar (Fcdr (position)); /* EVENT_START (position) */ |
264 | window = Fcar (tem); /* POSN_WINDOW (tem) */ | |
165e1749 | 265 | } |
165e1749 | 266 | } |
99fe880d RS |
267 | else if (WINDOWP (position) || FRAMEP (position)) |
268 | window = position; | |
a9be6839 RS |
269 | else |
270 | window = Qnil; | |
165e1749 | 271 | |
99fe880d | 272 | /* Decode where to put the menu. */ |
165e1749 | 273 | |
b5bb2705 | 274 | if (FRAMEP (window)) |
99fe880d | 275 | f = XFRAME (window); |
b5bb2705 | 276 | else if (WINDOWP (window)) |
165e1749 | 277 | { |
b7826503 | 278 | CHECK_LIVE_WINDOW (window); |
99fe880d | 279 | f = XFRAME (WINDOW_FRAME (XWINDOW (window))); |
165e1749 | 280 | } |
99fe880d RS |
281 | else |
282 | /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME, | |
283 | but I don't want to make one now. */ | |
b7826503 | 284 | CHECK_WINDOW (window); |
165e1749 | 285 | |
a9e1244d EZ |
286 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
287 | error ("Can not put X dialog on this terminal"); | |
62af879c | 288 | |
5da9fdfa YM |
289 | /* Force a redisplay before showing the dialog. If a frame is created |
290 | just before showing the dialog, its contents may not have been fully | |
291 | drawn, as this depends on timing of events from the X server. Redisplay | |
292 | is not done when a dialog is shown. If redisplay could be done in the | |
293 | X event loop (i.e. the X event loop does not run in a signal handler) | |
294 | this would not be needed. | |
295 | ||
296 | Do this before creating the widget value that points to Lisp | |
297 | string contents, because Fredisplay may GC and relocate them. */ | |
298 | Fredisplay (Qt); | |
299 | ||
488dd4c4 | 300 | #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) |
99fe880d RS |
301 | /* Display a menu with these alternatives |
302 | in the middle of frame F. */ | |
303 | { | |
304 | Lisp_Object x, y, frame, newpos; | |
a39f0477 KH |
305 | XSETFRAME (frame, f); |
306 | XSETINT (x, x_pixel_width (f) / 2); | |
307 | XSETINT (y, x_pixel_height (f) / 2); | |
99fe880d RS |
308 | newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil)); |
309 | ||
310 | return Fx_popup_menu (newpos, | |
311 | Fcons (Fcar (contents), Fcons (contents, Qnil))); | |
312 | } | |
313 | #else | |
314 | { | |
315 | Lisp_Object title; | |
42ca4633 | 316 | const char *error_name; |
99fe880d | 317 | Lisp_Object selection; |
86fad4ec | 318 | int specpdl_count = SPECPDL_INDEX (); |
165e1749 | 319 | |
99fe880d RS |
320 | /* Decode the dialog items from what was specified. */ |
321 | title = Fcar (contents); | |
b7826503 | 322 | CHECK_STRING (title); |
86fad4ec | 323 | record_unwind_protect (unuse_menu_items, Qnil); |
165e1749 | 324 | |
6b61353c KH |
325 | if (NILP (Fcar (Fcdr (contents)))) |
326 | /* No buttons specified, add an "Ok" button so users can pop down | |
327 | the dialog. Also, the lesstif/motif version crashes if there are | |
328 | no buttons. */ | |
329 | contents = Fcons (title, Fcons (Fcons (build_string ("Ok"), Qt), Qnil)); | |
b9de078a | 330 | |
99fe880d | 331 | list_of_panes (Fcons (contents, Qnil)); |
165e1749 | 332 | |
99fe880d RS |
333 | /* Display them in a dialog box. */ |
334 | BLOCK_INPUT; | |
6a040d6a | 335 | selection = xdialog_show (f, 0, title, header, &error_name); |
99fe880d | 336 | UNBLOCK_INPUT; |
165e1749 | 337 | |
86fad4ec | 338 | unbind_to (specpdl_count, Qnil); |
99fe880d RS |
339 | discard_menu_items (); |
340 | ||
f390e2d5 | 341 | if (error_name) error ("%s", error_name); |
99fe880d RS |
342 | return selection; |
343 | } | |
7464b131 | 344 | #endif |
392d3f4b | 345 | } |
c3438661 JD |
346 | |
347 | ||
348 | #ifndef MSDOS | |
349 | ||
4475bec4 PE |
350 | #if defined USE_GTK || defined USE_MOTIF |
351 | ||
b3935289 JD |
352 | /* Set menu_items_inuse so no other popup menu or dialog is created. */ |
353 | ||
354 | void | |
971de7fb | 355 | x_menu_set_in_use (int in_use) |
b3935289 JD |
356 | { |
357 | menu_items_inuse = in_use ? Qt : Qnil; | |
5ae53dcf | 358 | popup_activated_flag = in_use; |
73dba342 | 359 | #ifdef USE_X_TOOLKIT |
98a20c65 CY |
360 | if (popup_activated_flag) |
361 | x_activate_timeout_atimer (); | |
73dba342 | 362 | #endif |
b3935289 JD |
363 | } |
364 | ||
4475bec4 PE |
365 | #endif |
366 | ||
c3438661 JD |
367 | /* Wait for an X event to arrive or for a timer to expire. */ |
368 | ||
6f37259d PE |
369 | #ifndef USE_MOTIF |
370 | static | |
371 | #endif | |
b3935289 | 372 | void |
c3438661 JD |
373 | x_menu_wait_for_event (void *data) |
374 | { | |
c3438661 JD |
375 | /* Another way to do this is to register a timer callback, that can be |
376 | done in GTK and Xt. But we have to do it like this when using only X | |
377 | anyway, and with callbacks we would have three variants for timer handling | |
378 | instead of the small ifdefs below. */ | |
379 | ||
380 | while ( | |
381 | #ifdef USE_X_TOOLKIT | |
f1d1cd24 | 382 | ! XtAppPending (Xt_app_con) |
c3438661 JD |
383 | #elif defined USE_GTK |
384 | ! gtk_events_pending () | |
385 | #else | |
386 | ! XPending ((Display*) data) | |
387 | #endif | |
388 | ) | |
389 | { | |
f868cd8a | 390 | EMACS_TIME next_time = timer_check (), *ntp; |
c3438661 JD |
391 | long secs = EMACS_SECS (next_time); |
392 | long usecs = EMACS_USECS (next_time); | |
393 | SELECT_TYPE read_fds; | |
394 | struct x_display_info *dpyinfo; | |
395 | int n = 0; | |
396 | ||
397 | FD_ZERO (&read_fds); | |
398 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
399 | { | |
400 | int fd = ConnectionNumber (dpyinfo->display); | |
401 | FD_SET (fd, &read_fds); | |
402 | if (fd > n) n = fd; | |
11814156 | 403 | XFlush (dpyinfo->display); |
c3438661 JD |
404 | } |
405 | ||
e90292a9 JD |
406 | if (secs < 0 && usecs < 0) |
407 | ntp = 0; | |
408 | else | |
409 | ntp = &next_time; | |
c3438661 | 410 | |
e90292a9 | 411 | select (n + 1, &read_fds, (SELECT_TYPE *)0, (SELECT_TYPE *)0, ntp); |
c3438661 JD |
412 | } |
413 | } | |
414 | #endif /* ! MSDOS */ | |
415 | ||
78589e07 | 416 | \f |
488dd4c4 | 417 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
18686d47 | 418 | |
f1d1cd24 JD |
419 | #ifdef USE_X_TOOLKIT |
420 | ||
4dedbfe0 | 421 | /* Loop in Xt until the menu pulldown or dialog popup has been |
f56e7ad2 | 422 | popped down (deactivated). This is used for x-popup-menu |
f02cac82 RS |
423 | and x-popup-dialog; it is not used for the menu bar. |
424 | ||
2e2b8e22 | 425 | NOTE: All calls to popup_get_selection should be protected |
c98fcf4b | 426 | with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */ |
aa669def | 427 | |
f02cac82 | 428 | static void |
ebd15611 | 429 | popup_get_selection (XEvent *initial_event, struct x_display_info *dpyinfo, LWLIB_ID id, int do_timers) |
78589e07 | 430 | { |
4dedbfe0 | 431 | XEvent event; |
f02cac82 | 432 | |
8b806a85 JD |
433 | while (popup_activated_flag) |
434 | { | |
c0b0f54b | 435 | if (initial_event) |
8b806a85 JD |
436 | { |
437 | event = *initial_event; | |
438 | initial_event = 0; | |
439 | } | |
440 | else | |
c3438661 JD |
441 | { |
442 | if (do_timers) x_menu_wait_for_event (0); | |
443 | XtAppNextEvent (Xt_app_con, &event); | |
444 | } | |
78589e07 | 445 | |
10624005 | 446 | /* Make sure we don't consider buttons grabbed after menu goes. |
8b806a85 JD |
447 | And make sure to deactivate for any ButtonRelease, |
448 | even if XtDispatchEvent doesn't do that. */ | |
449 | if (event.type == ButtonRelease | |
450 | && dpyinfo->display == event.xbutton.display) | |
10624005 KH |
451 | { |
452 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); | |
177c0ea7 | 453 | #ifdef USE_MOTIF /* Pretending that the event came from a |
8b806a85 JD |
454 | Btn1Down seems the only way to convince Motif to |
455 | activate its callbacks; setting the XmNmenuPost | |
456 | isn't working. --marcus@sysc.pdx.edu. */ | |
457 | event.xbutton.button = 1; | |
458 | /* Motif only pops down menus when no Ctrl, Alt or Mod | |
459 | key is pressed and the button is released. So reset key state | |
460 | so Motif thinks this is the case. */ | |
461 | event.xbutton.state = 0; | |
c8b5aa3d | 462 | #endif |
10624005 | 463 | } |
33385c6f | 464 | /* Pop down on C-g and Escape. */ |
2e2b8e22 | 465 | else if (event.type == KeyPress |
10624005 | 466 | && dpyinfo->display == event.xbutton.display) |
8b806a85 JD |
467 | { |
468 | KeySym keysym = XLookupKeysym (&event.xkey, 0); | |
9f6fcdc5 | 469 | |
33385c6f JD |
470 | if ((keysym == XK_g && (event.xkey.state & ControlMask) != 0) |
471 | || keysym == XK_Escape) /* Any escape, ignore modifiers. */ | |
9f6fcdc5 | 472 | popup_activated_flag = 0; |
8b806a85 | 473 | } |
177c0ea7 | 474 | |
8b806a85 | 475 | x_dispatch_event (&event, event.xany.display); |
aa669def | 476 | } |
78589e07 RS |
477 | } |
478 | ||
12b6af5c | 479 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
480 | doc: /* Start key navigation of the menu bar in FRAME. |
481 | This initially opens the first menu bar item and you can then navigate with the | |
482 | arrow keys, select a menu entry with the return key or cancel with the | |
483 | escape key. If FRAME has no menu bar this function does nothing. | |
484 | ||
485 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 486 | (Lisp_Object frame) |
22badffe JD |
487 | { |
488 | XEvent ev; | |
489 | FRAME_PTR f = check_x_frame (frame); | |
490 | Widget menubar; | |
491 | BLOCK_INPUT; | |
492 | ||
493 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
494 | set_frame_menubar (f, 0, 1); | |
495 | ||
496 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
497 | if (menubar) | |
498 | { | |
499 | Window child; | |
500 | int error_p = 0; | |
501 | ||
502 | x_catch_errors (FRAME_X_DISPLAY (f)); | |
503 | memset (&ev, 0, sizeof ev); | |
504 | ev.xbutton.display = FRAME_X_DISPLAY (f); | |
505 | ev.xbutton.window = XtWindow (menubar); | |
506 | ev.xbutton.root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
507 | ev.xbutton.time = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
508 | ev.xbutton.button = Button1; | |
509 | ev.xbutton.x = ev.xbutton.y = FRAME_MENUBAR_HEIGHT (f) / 2; | |
510 | ev.xbutton.same_screen = True; | |
511 | ||
512 | #ifdef USE_MOTIF | |
513 | { | |
514 | Arg al[2]; | |
515 | WidgetList list; | |
516 | Cardinal nr; | |
517 | XtSetArg (al[0], XtNchildren, &list); | |
518 | XtSetArg (al[1], XtNnumChildren, &nr); | |
519 | XtGetValues (menubar, al, 2); | |
520 | ev.xbutton.window = XtWindow (list[0]); | |
521 | } | |
522 | #endif | |
523 | ||
524 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
525 | /* From-window, to-window. */ | |
526 | ev.xbutton.window, ev.xbutton.root, | |
527 | ||
528 | /* From-position, to-position. */ | |
529 | ev.xbutton.x, ev.xbutton.y, | |
530 | &ev.xbutton.x_root, &ev.xbutton.y_root, | |
531 | ||
532 | /* Child of win. */ | |
533 | &child); | |
534 | error_p = x_had_errors_p (FRAME_X_DISPLAY (f)); | |
535 | x_uncatch_errors (); | |
536 | ||
537 | if (! error_p) | |
538 | { | |
539 | ev.type = ButtonPress; | |
540 | ev.xbutton.state = 0; | |
541 | ||
542 | XtDispatchEvent (&ev); | |
543 | ev.xbutton.type = ButtonRelease; | |
544 | ev.xbutton.state = Button1Mask; | |
545 | XtDispatchEvent (&ev); | |
546 | } | |
547 | } | |
548 | ||
549 | UNBLOCK_INPUT; | |
57d671b4 AS |
550 | |
551 | return Qnil; | |
22badffe | 552 | } |
488dd4c4 JD |
553 | #endif /* USE_X_TOOLKIT */ |
554 | ||
22badffe | 555 | |
488dd4c4 | 556 | #ifdef USE_GTK |
12b6af5c | 557 | DEFUN ("x-menu-bar-open-internal", Fx_menu_bar_open_internal, Sx_menu_bar_open_internal, 0, 1, "i", |
22badffe JD |
558 | doc: /* Start key navigation of the menu bar in FRAME. |
559 | This initially opens the first menu bar item and you can then navigate with the | |
560 | arrow keys, select a menu entry with the return key or cancel with the | |
561 | escape key. If FRAME has no menu bar this function does nothing. | |
562 | ||
563 | If FRAME is nil or not given, use the selected frame. */) | |
5842a27b | 564 | (Lisp_Object frame) |
22badffe JD |
565 | { |
566 | GtkWidget *menubar; | |
8630721e CY |
567 | FRAME_PTR f; |
568 | ||
718aeeb8 CY |
569 | /* gcc 2.95 doesn't accept the FRAME_PTR declaration after |
570 | BLOCK_INPUT. */ | |
571 | ||
22badffe | 572 | BLOCK_INPUT; |
8630721e | 573 | f = check_x_frame (frame); |
22badffe JD |
574 | |
575 | if (FRAME_EXTERNAL_MENU_BAR (f)) | |
576 | set_frame_menubar (f, 0, 1); | |
577 | ||
578 | menubar = FRAME_X_OUTPUT (f)->menubar_widget; | |
579 | if (menubar) | |
580 | { | |
581 | /* Activate the first menu. */ | |
582 | GList *children = gtk_container_get_children (GTK_CONTAINER (menubar)); | |
583 | ||
32d46135 JD |
584 | if (children) |
585 | { | |
586 | g_signal_emit_by_name (children->data, "activate_item"); | |
587 | popup_activated_flag = 1; | |
588 | g_list_free (children); | |
589 | } | |
22badffe JD |
590 | } |
591 | UNBLOCK_INPUT; | |
592 | ||
593 | return Qnil; | |
594 | } | |
595 | ||
488dd4c4 JD |
596 | /* Loop util popup_activated_flag is set to zero in a callback. |
597 | Used for popup menus and dialogs. */ | |
f1d1cd24 | 598 | |
488dd4c4 | 599 | static void |
971de7fb | 600 | popup_widget_loop (int do_timers, GtkWidget *widget) |
488dd4c4 JD |
601 | { |
602 | ++popup_activated_flag; | |
603 | ||
604 | /* Process events in the Gtk event loop until done. */ | |
605 | while (popup_activated_flag) | |
606 | { | |
c3438661 | 607 | if (do_timers) x_menu_wait_for_event (0); |
488dd4c4 JD |
608 | gtk_main_iteration (); |
609 | } | |
610 | } | |
611 | #endif | |
612 | ||
88766961 RS |
613 | /* Activate the menu bar of frame F. |
614 | This is called from keyboard.c when it gets the | |
3b8f9651 | 615 | MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue. |
88766961 RS |
616 | |
617 | To activate the menu bar, we use the X button-press event | |
ac78b144 | 618 | that was saved in saved_menu_event. |
88766961 RS |
619 | That makes the toolkit do its thing. |
620 | ||
621 | But first we recompute the menu bar contents (the whole tree). | |
622 | ||
623 | The reason for saving the button event until here, instead of | |
624 | passing it to the toolkit right away, is that we can safely | |
625 | execute Lisp code. */ | |
177c0ea7 | 626 | |
dfcf069d | 627 | void |
971de7fb | 628 | x_activate_menubar (FRAME_PTR f) |
88766961 | 629 | { |
62af879c KL |
630 | if (! FRAME_X_P (f)) |
631 | abort (); | |
632 | ||
ac78b144 | 633 | if (!f->output_data.x->saved_menu_event->type) |
88766961 RS |
634 | return; |
635 | ||
177c0ea7 | 636 | #ifdef USE_GTK |
6b61353c KH |
637 | if (! xg_win_to_widget (FRAME_X_DISPLAY (f), |
638 | f->output_data.x->saved_menu_event->xany.window)) | |
488dd4c4 JD |
639 | return; |
640 | #endif | |
177c0ea7 | 641 | |
a9be6839 | 642 | set_frame_menubar (f, 0, 1); |
88766961 | 643 | BLOCK_INPUT; |
cf28cebc | 644 | popup_activated_flag = 1; |
488dd4c4 JD |
645 | #ifdef USE_GTK |
646 | XPutBackEvent (f->output_data.x->display_info->display, | |
647 | f->output_data.x->saved_menu_event); | |
488dd4c4 | 648 | #else |
86fad4ec | 649 | XtDispatchEvent (f->output_data.x->saved_menu_event); |
488dd4c4 | 650 | #endif |
88766961 | 651 | UNBLOCK_INPUT; |
177c0ea7 | 652 | |
88766961 | 653 | /* Ignore this if we get it a second time. */ |
ac78b144 | 654 | f->output_data.x->saved_menu_event->type = 0; |
88766961 RS |
655 | } |
656 | ||
4dedbfe0 PR |
657 | /* This callback is invoked when the user selects a menubar cascade |
658 | pushbutton, but before the pulldown menu is posted. */ | |
78589e07 | 659 | |
488dd4c4 | 660 | #ifndef USE_GTK |
78589e07 | 661 | static void |
ebd15611 | 662 | popup_activate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
78589e07 | 663 | { |
4dedbfe0 | 664 | popup_activated_flag = 1; |
98a20c65 CY |
665 | #ifdef USE_X_TOOLKIT |
666 | x_activate_timeout_atimer (); | |
667 | #endif | |
7555d825 | 668 | } |
488dd4c4 | 669 | #endif |
7555d825 GM |
670 | |
671 | /* This callback is invoked when a dialog or menu is finished being | |
672 | used and has been unposted. */ | |
673 | ||
488dd4c4 JD |
674 | #ifdef USE_GTK |
675 | static void | |
971de7fb | 676 | popup_deactivate_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
677 | { |
678 | popup_activated_flag = 0; | |
679 | } | |
680 | #else | |
7555d825 | 681 | static void |
ebd15611 | 682 | popup_deactivate_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
7555d825 | 683 | { |
7555d825 | 684 | popup_activated_flag = 0; |
78589e07 | 685 | } |
488dd4c4 | 686 | #endif |
78589e07 | 687 | |
850df50b | 688 | |
488dd4c4 JD |
689 | /* Function that finds the frame for WIDGET and shows the HELP text |
690 | for that widget. | |
691 | F is the frame if known, or NULL if not known. */ | |
692 | static void | |
971de7fb | 693 | show_help_event (FRAME_PTR f, xt_or_gtk_widget widget, Lisp_Object help) |
850df50b | 694 | { |
488dd4c4 | 695 | Lisp_Object frame; |
850df50b | 696 | |
850df50b | 697 | if (f) |
9cd50434 GM |
698 | { |
699 | XSETFRAME (frame, f); | |
700 | kbd_buffer_store_help_event (frame, help); | |
701 | } | |
850df50b GM |
702 | else |
703 | { | |
6b61353c | 704 | #if 0 /* This code doesn't do anything useful. ++kfs */ |
177c0ea7 | 705 | /* WIDGET is the popup menu. It's parent is the frame's |
850df50b | 706 | widget. See which frame that is. */ |
488dd4c4 | 707 | xt_or_gtk_widget frame_widget = XtParent (widget); |
850df50b GM |
708 | Lisp_Object tail; |
709 | ||
8e50cc2d | 710 | for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail)) |
850df50b GM |
711 | { |
712 | frame = XCAR (tail); | |
8e50cc2d | 713 | if (FRAMEP (frame) |
850df50b GM |
714 | && (f = XFRAME (frame), |
715 | FRAME_X_P (f) && f->output_data.x->widget == frame_widget)) | |
716 | break; | |
717 | } | |
6b61353c | 718 | #endif |
f868cd8a | 719 | show_help_echo (help, Qnil, Qnil, Qnil); |
9cd50434 | 720 | } |
850df50b GM |
721 | } |
722 | ||
488dd4c4 JD |
723 | /* Callback called when menu items are highlighted/unhighlighted |
724 | while moving the mouse over them. WIDGET is the menu bar or menu | |
725 | popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to | |
726 | the data structure for the menu item, or null in case of | |
727 | unhighlighting. */ | |
4dedbfe0 | 728 | |
488dd4c4 | 729 | #ifdef USE_GTK |
032f1620 | 730 | static void |
971de7fb | 731 | menu_highlight_callback (GtkWidget *widget, gpointer call_data) |
488dd4c4 JD |
732 | { |
733 | xg_menu_item_cb_data *cb_data; | |
734 | Lisp_Object help; | |
177c0ea7 | 735 | |
488dd4c4 JD |
736 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (widget), |
737 | XG_ITEM_DATA); | |
738 | if (! cb_data) return; | |
739 | ||
740 | help = call_data ? cb_data->help : Qnil; | |
741 | ||
742 | /* If popup_activated_flag is greater than 1 we are in a popup menu. | |
a560d974 JD |
743 | Don't pass the frame to show_help_event for those. |
744 | Passing frame creates an Emacs event. As we are looping in | |
745 | popup_widget_loop, it won't be handeled. Passing NULL shows the tip | |
746 | directly without using an Emacs event. This is what the Lucid code | |
747 | does below. */ | |
748 | show_help_event (popup_activated_flag <= 1 ? cb_data->cl_data->f : NULL, | |
749 | widget, help); | |
488dd4c4 JD |
750 | } |
751 | #else | |
032f1620 | 752 | static void |
ebd15611 | 753 | menu_highlight_callback (Widget widget, LWLIB_ID id, void *call_data) |
488dd4c4 JD |
754 | { |
755 | struct frame *f; | |
756 | Lisp_Object help; | |
757 | ||
758 | widget_value *wv = (widget_value *) call_data; | |
759 | ||
760 | help = wv ? wv->help : Qnil; | |
177c0ea7 | 761 | |
488dd4c4 JD |
762 | /* Determine the frame for the help event. */ |
763 | f = menubar_id_to_frame (id); | |
764 | ||
765 | show_help_event (f, widget, help); | |
766 | } | |
767 | #endif | |
768 | ||
488dd4c4 JD |
769 | #ifdef USE_GTK |
770 | /* Gtk calls callbacks just because we tell it what item should be | |
771 | selected in a radio group. If this variable is set to a non-zero | |
772 | value, we are creating menus and don't want callbacks right now. | |
773 | */ | |
774 | static int xg_crazy_callback_abort; | |
775 | ||
776 | /* This callback is called from the menu bar pulldown menu | |
777 | when the user makes a selection. | |
778 | Figure out what the user chose | |
779 | and put the appropriate events into the keyboard buffer. */ | |
780 | static void | |
971de7fb | 781 | menubar_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
782 | { |
783 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
784 | ||
785 | if (xg_crazy_callback_abort) | |
786 | return; | |
787 | ||
788 | if (! cb_data || ! cb_data->cl_data || ! cb_data->cl_data->f) | |
789 | return; | |
790 | ||
b79c8219 JD |
791 | /* For a group of radio buttons, GTK calls the selection callback first |
792 | for the item that was active before the selection and then for the one that | |
793 | is active after the selection. For C-h k this means we get the help on | |
794 | the deselected item and then the selected item is executed. Prevent that | |
795 | by ignoring the non-active item. */ | |
796 | if (GTK_IS_RADIO_MENU_ITEM (widget) | |
797 | && ! gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget))) | |
798 | return; | |
799 | ||
81f09877 JD |
800 | /* When a menu is popped down, X generates a focus event (i.e. focus |
801 | goes back to the frame below the menu). Since GTK buffers events, | |
802 | we force it out here before the menu selection event. Otherwise | |
803 | sit-for will exit at once if the focus event follows the menu selection | |
804 | event. */ | |
805 | ||
806 | BLOCK_INPUT; | |
807 | while (gtk_events_pending ()) | |
808 | gtk_main_iteration (); | |
809 | UNBLOCK_INPUT; | |
810 | ||
488dd4c4 JD |
811 | find_and_call_menu_selection (cb_data->cl_data->f, |
812 | cb_data->cl_data->menu_bar_items_used, | |
813 | cb_data->cl_data->menu_bar_vector, | |
814 | cb_data->call_data); | |
815 | } | |
816 | ||
817 | #else /* not USE_GTK */ | |
818 | ||
819 | /* This callback is called from the menu bar pulldown menu | |
820 | when the user makes a selection. | |
821 | Figure out what the user chose | |
822 | and put the appropriate events into the keyboard buffer. */ | |
823 | static void | |
ebd15611 | 824 | menubar_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
488dd4c4 JD |
825 | { |
826 | FRAME_PTR f; | |
827 | ||
828 | f = menubar_id_to_frame (id); | |
829 | if (!f) | |
830 | return; | |
831 | find_and_call_menu_selection (f, f->menu_bar_items_used, | |
832 | f->menu_bar_vector, client_data); | |
833 | } | |
834 | #endif /* not USE_GTK */ | |
f61a541b GM |
835 | \f |
836 | /* Recompute all the widgets of frame F, when the menu bar has been | |
837 | changed. Value is non-zero if widgets were updated. */ | |
838 | ||
839 | static int | |
971de7fb | 840 | update_frame_menubar (FRAME_PTR f) |
18686d47 | 841 | { |
488dd4c4 JD |
842 | #ifdef USE_GTK |
843 | return xg_update_frame_menubar (f); | |
844 | #else | |
62af879c | 845 | struct x_output *x; |
cffa74ea | 846 | int columns, rows; |
177c0ea7 | 847 | |
62af879c KL |
848 | if (! FRAME_X_P (f)) |
849 | abort (); | |
850 | ||
851 | x = f->output_data.x; | |
852 | ||
f61a541b GM |
853 | if (!x->menubar_widget || XtIsManaged (x->menubar_widget)) |
854 | return 0; | |
18686d47 RS |
855 | |
856 | BLOCK_INPUT; | |
f61a541b GM |
857 | /* Save the size of the frame because the pane widget doesn't accept |
858 | to resize itself. So force it. */ | |
9882535b KS |
859 | columns = FRAME_COLS (f); |
860 | rows = FRAME_LINES (f); | |
cffa74ea | 861 | |
f61a541b GM |
862 | /* Do the voodoo which means "I'm changing lots of things, don't try |
863 | to refigure sizes until I'm done." */ | |
4dedbfe0 | 864 | lw_refigure_widget (x->column_widget, False); |
cffa74ea | 865 | |
f61a541b GM |
866 | /* The order in which children are managed is the top to bottom |
867 | order in which they are displayed in the paned window. First, | |
868 | remove the text-area widget. */ | |
18686d47 RS |
869 | XtUnmanageChild (x->edit_widget); |
870 | ||
f61a541b GM |
871 | /* Remove the menubar that is there now, and put up the menubar that |
872 | should be there. */ | |
873 | XtManageChild (x->menubar_widget); | |
874 | XtMapWidget (x->menubar_widget); | |
875 | XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL); | |
18686d47 | 876 | |
c98fcf4b | 877 | /* Re-manage the text-area widget, and then thrash the sizes. */ |
18686d47 | 878 | XtManageChild (x->edit_widget); |
4dedbfe0 | 879 | lw_refigure_widget (x->column_widget, True); |
cffa74ea FP |
880 | |
881 | /* Force the pane widget to resize itself with the right values. */ | |
882 | EmacsFrameSetCharSize (x->edit_widget, columns, rows); | |
18686d47 | 883 | UNBLOCK_INPUT; |
488dd4c4 | 884 | #endif |
f61a541b | 885 | return 1; |
18686d47 RS |
886 | } |
887 | ||
99852628 | 888 | #ifdef USE_LUCID |
1ecb2d3f | 889 | static void |
ebd15611 | 890 | apply_systemfont_to_dialog (Widget w) |
1ecb2d3f JD |
891 | { |
892 | const char *fn = xsettings_get_system_normal_font (); | |
51b59d79 | 893 | if (fn) |
1ecb2d3f JD |
894 | { |
895 | XrmDatabase db = XtDatabase (XtDisplay (w)); | |
896 | if (db) | |
3928f2b6 | 897 | XrmPutStringResource (&db, "*dialog.font", fn); |
1ecb2d3f JD |
898 | } |
899 | } | |
900 | ||
99852628 | 901 | static void |
3928f2b6 | 902 | apply_systemfont_to_menu (struct frame *f, Widget w) |
99852628 JD |
903 | { |
904 | const char *fn = xsettings_get_system_normal_font (); | |
99852628 | 905 | |
3928f2b6 | 906 | if (fn) |
99852628 | 907 | { |
3928f2b6 JD |
908 | XrmDatabase db = XtDatabase (XtDisplay (w)); |
909 | if (db) | |
910 | { | |
911 | XrmPutStringResource (&db, "*menubar*font", fn); | |
912 | XrmPutStringResource (&db, "*popup*font", fn); | |
913 | } | |
99852628 | 914 | } |
99852628 | 915 | } |
3928f2b6 | 916 | |
99852628 JD |
917 | #endif |
918 | ||
4bcdbab1 KH |
919 | /* Set the contents of the menubar widgets of frame F. |
920 | The argument FIRST_TIME is currently ignored; | |
921 | it is set the first time this is called, from initialize_frame_menubar. */ | |
922 | ||
18686d47 | 923 | void |
971de7fb | 924 | set_frame_menubar (FRAME_PTR f, int first_time, int deep_p) |
18686d47 | 925 | { |
62af879c | 926 | xt_or_gtk_widget menubar_widget; |
488dd4c4 JD |
927 | #ifdef USE_X_TOOLKIT |
928 | LWLIB_ID id; | |
929 | #endif | |
faa935b6 | 930 | Lisp_Object items; |
4d19cb8e | 931 | widget_value *wv, *first_wv, *prev_wv = 0; |
3e26f69c | 932 | int i; |
ced89c24 | 933 | int *submenu_start, *submenu_end; |
37dc84ff | 934 | int *submenu_top_level_items, *submenu_n_panes; |
cc45fb40 | 935 | |
62af879c KL |
936 | if (! FRAME_X_P (f)) |
937 | abort (); | |
938 | ||
939 | menubar_widget = f->output_data.x->menubar_widget; | |
18686d47 | 940 | |
bfc524bc RS |
941 | XSETFRAME (Vmenu_updating_frame, f); |
942 | ||
488dd4c4 | 943 | #ifdef USE_X_TOOLKIT |
7556890b RS |
944 | if (f->output_data.x->id == 0) |
945 | f->output_data.x->id = next_menubar_widget_id++; | |
946 | id = f->output_data.x->id; | |
488dd4c4 | 947 | #endif |
177c0ea7 | 948 | |
88766961 RS |
949 | if (! menubar_widget) |
950 | deep_p = 1; | |
a9be6839 RS |
951 | /* Make the first call for any given frame always go deep. */ |
952 | else if (!f->output_data.x->saved_menu_event && !deep_p) | |
745c34fb RS |
953 | { |
954 | deep_p = 1; | |
a9be6839 RS |
955 | f->output_data.x->saved_menu_event = (XEvent*)xmalloc (sizeof (XEvent)); |
956 | f->output_data.x->saved_menu_event->type = 0; | |
745c34fb | 957 | } |
18686d47 | 958 | |
6b61353c KH |
959 | #ifdef USE_GTK |
960 | /* If we have detached menus, we must update deep so detached menus | |
961 | also gets updated. */ | |
962 | deep_p = deep_p || xg_have_tear_offs (); | |
963 | #endif | |
964 | ||
88766961 | 965 | if (deep_p) |
18686d47 | 966 | { |
88766961 RS |
967 | /* Make a widget-value tree representing the entire menu trees. */ |
968 | ||
969 | struct buffer *prev = current_buffer; | |
970 | Lisp_Object buffer; | |
aed13378 | 971 | int specpdl_count = SPECPDL_INDEX (); |
88766961 RS |
972 | int previous_menu_items_used = f->menu_bar_items_used; |
973 | Lisp_Object *previous_items | |
974 | = (Lisp_Object *) alloca (previous_menu_items_used | |
975 | * sizeof (Lisp_Object)); | |
3e26f69c | 976 | int subitems; |
88766961 | 977 | |
0b1cf399 RS |
978 | /* If we are making a new widget, its contents are empty, |
979 | do always reinitialize them. */ | |
980 | if (! menubar_widget) | |
981 | previous_menu_items_used = 0; | |
982 | ||
88766961 RS |
983 | buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer; |
984 | specbind (Qinhibit_quit, Qt); | |
985 | /* Don't let the debugger step into this code | |
986 | because it is not reentrant. */ | |
987 | specbind (Qdebug_on_next_call, Qnil); | |
988 | ||
89f2614d | 989 | record_unwind_save_match_data (); |
88766961 RS |
990 | if (NILP (Voverriding_local_map_menu_flag)) |
991 | { | |
992 | specbind (Qoverriding_terminal_local_map, Qnil); | |
993 | specbind (Qoverriding_local_map, Qnil); | |
994 | } | |
18686d47 | 995 | |
88766961 | 996 | set_buffer_internal_1 (XBUFFER (buffer)); |
18686d47 | 997 | |
88766961 | 998 | /* Run the Lucid hook. */ |
950eaee7 | 999 | safe_run_hooks (Qactivate_menubar_hook); |
177c0ea7 | 1000 | |
88766961 RS |
1001 | /* If it has changed current-menubar from previous value, |
1002 | really recompute the menubar from the value. */ | |
1003 | if (! NILP (Vlucid_menu_bar_dirty_flag)) | |
1004 | call0 (Qrecompute_lucid_menubar); | |
a57634d4 | 1005 | safe_run_hooks (Qmenu_bar_update_hook); |
88766961 | 1006 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); |
18686d47 | 1007 | |
88766961 | 1008 | items = FRAME_MENU_BAR_ITEMS (f); |
8d8a3494 | 1009 | |
88766961 | 1010 | /* Save the frame's previous menu bar contents data. */ |
86c04183 | 1011 | if (previous_menu_items_used) |
72af86bd AS |
1012 | memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents, |
1013 | previous_menu_items_used * sizeof (Lisp_Object)); | |
8d8a3494 | 1014 | |
ced89c24 RS |
1015 | /* Fill in menu_items with the current menu bar contents. |
1016 | This can evaluate Lisp code. */ | |
1fc4d463 RS |
1017 | save_menu_items (); |
1018 | ||
88766961 | 1019 | menu_items = f->menu_bar_vector; |
86c04183 | 1020 | menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0; |
77b37c05 | 1021 | subitems = ASIZE (items) / 4; |
3e26f69c | 1022 | submenu_start = (int *) alloca ((subitems + 1) * sizeof (int)); |
88c9450f | 1023 | submenu_end = (int *) alloca (subitems * sizeof (int)); |
e3019616 | 1024 | submenu_n_panes = (int *) alloca (subitems * sizeof (int)); |
88c9450f | 1025 | submenu_top_level_items = (int *) alloca (subitems * sizeof (int)); |
88766961 | 1026 | init_menu_items (); |
e3019616 | 1027 | for (i = 0; i < subitems; i++) |
88766961 RS |
1028 | { |
1029 | Lisp_Object key, string, maps; | |
1030 | ||
e3019616 PE |
1031 | key = XVECTOR (items)->contents[4 * i]; |
1032 | string = XVECTOR (items)->contents[4 * i + 1]; | |
1033 | maps = XVECTOR (items)->contents[4 * i + 2]; | |
88766961 RS |
1034 | if (NILP (string)) |
1035 | break; | |
1036 | ||
ced89c24 RS |
1037 | submenu_start[i] = menu_items_used; |
1038 | ||
1039 | menu_items_n_panes = 0; | |
1040 | submenu_top_level_items[i] | |
1041 | = parse_single_submenu (key, string, maps); | |
37dc84ff | 1042 | submenu_n_panes[i] = menu_items_n_panes; |
ced89c24 RS |
1043 | |
1044 | submenu_end[i] = menu_items_used; | |
1045 | } | |
1046 | ||
3e26f69c | 1047 | submenu_start[i] = -1; |
ced89c24 RS |
1048 | finish_menu_items (); |
1049 | ||
1050 | /* Convert menu_items into widget_value trees | |
1051 | to display the menu. This cannot evaluate Lisp code. */ | |
1052 | ||
1053 | wv = xmalloc_widget_value (); | |
1054 | wv->name = "menubar"; | |
1055 | wv->value = 0; | |
1056 | wv->enabled = 1; | |
1057 | wv->button_type = BUTTON_TYPE_NONE; | |
1058 | wv->help = Qnil; | |
1059 | first_wv = wv; | |
1060 | ||
3e26f69c | 1061 | for (i = 0; 0 <= submenu_start[i]; i++) |
ced89c24 | 1062 | { |
37dc84ff | 1063 | menu_items_n_panes = submenu_n_panes[i]; |
ced89c24 RS |
1064 | wv = digest_single_submenu (submenu_start[i], submenu_end[i], |
1065 | submenu_top_level_items[i]); | |
177c0ea7 | 1066 | if (prev_wv) |
88766961 RS |
1067 | prev_wv->next = wv; |
1068 | else | |
1069 | first_wv->contents = wv; | |
1070 | /* Don't set wv->name here; GC during the loop might relocate it. */ | |
1071 | wv->enabled = 1; | |
3427a3db | 1072 | wv->button_type = BUTTON_TYPE_NONE; |
88766961 RS |
1073 | prev_wv = wv; |
1074 | } | |
1075 | ||
88766961 | 1076 | set_buffer_internal_1 (prev); |
8d8a3494 | 1077 | |
88766961 RS |
1078 | /* If there has been no change in the Lisp-level contents |
1079 | of the menu bar, skip redisplaying it. Just exit. */ | |
1080 | ||
510d5bf6 | 1081 | /* Compare the new menu items with the ones computed last time. */ |
88766961 RS |
1082 | for (i = 0; i < previous_menu_items_used; i++) |
1083 | if (menu_items_used == i | |
99d3fac7 | 1084 | || (!EQ (previous_items[i], XVECTOR (menu_items)->contents[i]))) |
88766961 | 1085 | break; |
62555c22 | 1086 | if (i == menu_items_used && i == previous_menu_items_used && i != 0) |
88766961 | 1087 | { |
510d5bf6 RS |
1088 | /* The menu items have not changed. Don't bother updating |
1089 | the menus in any form, since it would be a no-op. */ | |
88766961 | 1090 | free_menubar_widget_value_tree (first_wv); |
86fad4ec | 1091 | discard_menu_items (); |
1fc4d463 | 1092 | unbind_to (specpdl_count, Qnil); |
88766961 RS |
1093 | return; |
1094 | } | |
1095 | ||
510d5bf6 | 1096 | /* The menu items are different, so store them in the frame. */ |
1fc4d463 RS |
1097 | f->menu_bar_vector = menu_items; |
1098 | f->menu_bar_items_used = menu_items_used; | |
1099 | ||
bf732638 | 1100 | /* This undoes save_menu_items. */ |
1fc4d463 RS |
1101 | unbind_to (specpdl_count, Qnil); |
1102 | ||
88766961 RS |
1103 | /* Now GC cannot happen during the lifetime of the widget_value, |
1104 | so it's safe to store data from a Lisp_String. */ | |
1105 | wv = first_wv->contents; | |
77b37c05 | 1106 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1107 | { |
1108 | Lisp_Object string; | |
1109 | string = XVECTOR (items)->contents[i + 1]; | |
1110 | if (NILP (string)) | |
2bf436c3 | 1111 | break; |
51b59d79 | 1112 | wv->name = SSDATA (string); |
2bf436c3 JD |
1113 | update_submenu_strings (wv->contents); |
1114 | wv = wv->next; | |
88766961 RS |
1115 | } |
1116 | ||
4d19cb8e | 1117 | } |
88766961 RS |
1118 | else |
1119 | { | |
1120 | /* Make a widget-value tree containing | |
1121 | just the top level menu bar strings. */ | |
4d19cb8e | 1122 | |
ced89c24 RS |
1123 | wv = xmalloc_widget_value (); |
1124 | wv->name = "menubar"; | |
1125 | wv->value = 0; | |
1126 | wv->enabled = 1; | |
1127 | wv->button_type = BUTTON_TYPE_NONE; | |
1128 | wv->help = Qnil; | |
1129 | first_wv = wv; | |
1130 | ||
88766961 | 1131 | items = FRAME_MENU_BAR_ITEMS (f); |
77b37c05 | 1132 | for (i = 0; i < ASIZE (items); i += 4) |
88766961 RS |
1133 | { |
1134 | Lisp_Object string; | |
1135 | ||
1136 | string = XVECTOR (items)->contents[i + 1]; | |
1137 | if (NILP (string)) | |
1138 | break; | |
1139 | ||
f7fab165 | 1140 | wv = xmalloc_widget_value (); |
51b59d79 | 1141 | wv->name = SSDATA (string); |
88766961 RS |
1142 | wv->value = 0; |
1143 | wv->enabled = 1; | |
3427a3db | 1144 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1145 | wv->help = Qnil; |
fe8fa62f RS |
1146 | /* This prevents lwlib from assuming this |
1147 | menu item is really supposed to be empty. */ | |
d01a7826 | 1148 | /* The intptr_t cast avoids a warning. |
fe8fa62f | 1149 | This value just has to be different from small integers. */ |
d01a7826 | 1150 | wv->call_data = (void *) (intptr_t) (-1); |
88766961 | 1151 | |
177c0ea7 | 1152 | if (prev_wv) |
88766961 RS |
1153 | prev_wv->next = wv; |
1154 | else | |
1155 | first_wv->contents = wv; | |
1156 | prev_wv = wv; | |
1157 | } | |
62555c22 RS |
1158 | |
1159 | /* Forget what we thought we knew about what is in the | |
1160 | detailed contents of the menu bar menus. | |
1161 | Changing the top level always destroys the contents. */ | |
1162 | f->menu_bar_items_used = 0; | |
88766961 | 1163 | } |
4dedbfe0 | 1164 | |
88766961 | 1165 | /* Create or update the menu bar widget. */ |
aa669def RS |
1166 | |
1167 | BLOCK_INPUT; | |
1168 | ||
488dd4c4 JD |
1169 | #ifdef USE_GTK |
1170 | xg_crazy_callback_abort = 1; | |
1171 | if (menubar_widget) | |
1172 | { | |
6b61353c | 1173 | /* The fourth arg is DEEP_P, which says to consider the entire |
488dd4c4 JD |
1174 | menu trees we supply, rather than just the menu bar item names. */ |
1175 | xg_modify_menubar_widgets (menubar_widget, | |
1176 | f, | |
1177 | first_wv, | |
1178 | deep_p, | |
1179 | G_CALLBACK (menubar_selection_callback), | |
1180 | G_CALLBACK (popup_deactivate_callback), | |
1181 | G_CALLBACK (menu_highlight_callback)); | |
1182 | } | |
1183 | else | |
1184 | { | |
488dd4c4 | 1185 | menubar_widget |
177c0ea7 | 1186 | = xg_create_widget ("menubar", "menubar", f, first_wv, |
488dd4c4 JD |
1187 | G_CALLBACK (menubar_selection_callback), |
1188 | G_CALLBACK (popup_deactivate_callback), | |
1189 | G_CALLBACK (menu_highlight_callback)); | |
1190 | ||
1191 | f->output_data.x->menubar_widget = menubar_widget; | |
1192 | } | |
1193 | ||
177c0ea7 | 1194 | |
488dd4c4 | 1195 | #else /* not USE_GTK */ |
18686d47 | 1196 | if (menubar_widget) |
4dedbfe0 PR |
1197 | { |
1198 | /* Disable resizing (done for Motif!) */ | |
7556890b | 1199 | lw_allow_resizing (f->output_data.x->widget, False); |
4dedbfe0 PR |
1200 | |
1201 | /* The third arg is DEEP_P, which says to consider the entire | |
1202 | menu trees we supply, rather than just the menu bar item names. */ | |
88766961 | 1203 | lw_modify_all_widgets (id, first_wv, deep_p); |
4dedbfe0 | 1204 | |
c98fcf4b | 1205 | /* Re-enable the edit widget to resize. */ |
7556890b | 1206 | lw_allow_resizing (f->output_data.x->widget, True); |
4dedbfe0 | 1207 | } |
18686d47 RS |
1208 | else |
1209 | { | |
9f6fcdc5 JD |
1210 | char menuOverride[] = "Ctrl<KeyPress>g: MenuGadgetEscape()"; |
1211 | XtTranslations override = XtParseTranslationTable (menuOverride); | |
1212 | ||
3928f2b6 JD |
1213 | #ifdef USE_LUCID |
1214 | apply_systemfont_to_menu (f, f->output_data.x->column_widget); | |
1215 | #endif | |
1216 | menubar_widget = lw_create_widget ("menubar", "menubar", id, | |
1217 | first_wv, | |
7556890b | 1218 | f->output_data.x->column_widget, |
4dedbfe0 PR |
1219 | 0, |
1220 | popup_activate_callback, | |
1221 | menubar_selection_callback, | |
850df50b GM |
1222 | popup_deactivate_callback, |
1223 | menu_highlight_callback); | |
7556890b | 1224 | f->output_data.x->menubar_widget = menubar_widget; |
9f6fcdc5 JD |
1225 | |
1226 | /* Make menu pop down on C-g. */ | |
1227 | XtOverrideTranslations (menubar_widget, override); | |
18686d47 | 1228 | } |
1d1c1567 KH |
1229 | |
1230 | { | |
cf28cebc | 1231 | int menubar_size; |
723f5a07 J |
1232 | if (f->output_data.x->menubar_widget) |
1233 | XtRealizeWidget (f->output_data.x->menubar_widget); | |
1234 | ||
cf28cebc | 1235 | menubar_size |
7556890b RS |
1236 | = (f->output_data.x->menubar_widget |
1237 | ? (f->output_data.x->menubar_widget->core.height | |
1238 | + f->output_data.x->menubar_widget->core.border_width) | |
1d1c1567 KH |
1239 | : 0); |
1240 | ||
5c646d5a JD |
1241 | #if 1 /* Experimentally, we now get the right results |
1242 | for -geometry -0-0 without this. 24 Aug 96, rms. | |
1243 | Maybe so, but the menu bar size is missing the pixels so the | |
cf28cebc | 1244 | WM size hints are off by these pixels. Jan D, oct 2009. */ |
5ee80bd3 | 1245 | #ifdef USE_LUCID |
1d1c1567 KH |
1246 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
1247 | { | |
1248 | Dimension ibw = 0; | |
7556890b | 1249 | XtVaGetValues (f->output_data.x->column_widget, |
1d1c1567 KH |
1250 | XtNinternalBorderWidth, &ibw, NULL); |
1251 | menubar_size += ibw; | |
1252 | } | |
5ee80bd3 | 1253 | #endif /* USE_LUCID */ |
5c646d5a | 1254 | #endif /* 1 */ |
1d1c1567 | 1255 | |
7556890b | 1256 | f->output_data.x->menubar_height = menubar_size; |
1d1c1567 | 1257 | } |
488dd4c4 | 1258 | #endif /* not USE_GTK */ |
177c0ea7 | 1259 | |
18686d47 | 1260 | free_menubar_widget_value_tree (first_wv); |
364cd450 | 1261 | update_frame_menubar (f); |
18686d47 | 1262 | |
488dd4c4 JD |
1263 | #ifdef USE_GTK |
1264 | xg_crazy_callback_abort = 0; | |
1265 | #endif | |
1266 | ||
18686d47 RS |
1267 | UNBLOCK_INPUT; |
1268 | } | |
85f487d1 | 1269 | |
8e6208c5 | 1270 | /* Called from Fx_create_frame to create the initial menubar of a frame |
4dedbfe0 PR |
1271 | before it is mapped, so that the window is mapped with the menubar already |
1272 | there instead of us tacking it on later and thrashing the window after it | |
1273 | is visible. */ | |
1274 | ||
1275 | void | |
971de7fb | 1276 | initialize_frame_menubar (FRAME_PTR f) |
4dedbfe0 PR |
1277 | { |
1278 | /* This function is called before the first chance to redisplay | |
1279 | the frame. It has to be, so the frame will have the right size. */ | |
1280 | FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f)); | |
88766961 | 1281 | set_frame_menubar (f, 1, 1); |
4dedbfe0 PR |
1282 | } |
1283 | ||
aba25348 | 1284 | |
4dedbfe0 | 1285 | /* Get rid of the menu bar of frame F, and free its storage. |
488dd4c4 JD |
1286 | This is used when deleting a frame, and when turning off the menu bar. |
1287 | For GTK this function is in gtkutil.c. */ | |
4dedbfe0 | 1288 | |
488dd4c4 | 1289 | #ifndef USE_GTK |
85f487d1 | 1290 | void |
ebd15611 | 1291 | free_frame_menubar (FRAME_PTR f) |
85f487d1 FP |
1292 | { |
1293 | Widget menubar_widget; | |
85f487d1 | 1294 | |
62af879c KL |
1295 | if (! FRAME_X_P (f)) |
1296 | abort (); | |
1297 | ||
7556890b | 1298 | menubar_widget = f->output_data.x->menubar_widget; |
a45bad2a RS |
1299 | |
1300 | f->output_data.x->menubar_height = 0; | |
177c0ea7 | 1301 | |
85f487d1 FP |
1302 | if (menubar_widget) |
1303 | { | |
aba25348 GM |
1304 | #ifdef USE_MOTIF |
1305 | /* Removing the menu bar magically changes the shell widget's x | |
1306 | and y position of (0, 0) which, when the menu bar is turned | |
1307 | on again, leads to pull-down menuss appearing in strange | |
1308 | positions near the upper-left corner of the display. This | |
1309 | happens only with some window managers like twm and ctwm, | |
1310 | but not with other like Motif's mwm or kwm, because the | |
1311 | latter generate ConfigureNotify events when the menu bar | |
1312 | is switched off, which fixes the shell position. */ | |
1313 | Position x0, y0, x1, y1; | |
1314 | #endif | |
177c0ea7 | 1315 | |
85f487d1 | 1316 | BLOCK_INPUT; |
aba25348 GM |
1317 | |
1318 | #ifdef USE_MOTIF | |
ae556422 GM |
1319 | if (f->output_data.x->widget) |
1320 | XtVaGetValues (f->output_data.x->widget, XtNx, &x0, XtNy, &y0, NULL); | |
aba25348 | 1321 | #endif |
177c0ea7 | 1322 | |
7556890b | 1323 | lw_destroy_all_widgets ((LWLIB_ID) f->output_data.x->id); |
0c05dcd3 | 1324 | f->output_data.x->menubar_widget = NULL; |
aba25348 | 1325 | |
ae556422 GM |
1326 | if (f->output_data.x->widget) |
1327 | { | |
23243f29 | 1328 | #ifdef USE_MOTIF |
ae556422 GM |
1329 | XtVaGetValues (f->output_data.x->widget, XtNx, &x1, XtNy, &y1, NULL); |
1330 | if (x1 == 0 && y1 == 0) | |
1331 | XtVaSetValues (f->output_data.x->widget, XtNx, x0, XtNy, y0, NULL); | |
aba25348 | 1332 | #endif |
23243f29 J |
1333 | x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); |
1334 | } | |
85f487d1 FP |
1335 | UNBLOCK_INPUT; |
1336 | } | |
1337 | } | |
488dd4c4 | 1338 | #endif /* not USE_GTK */ |
78589e07 | 1339 | |
488dd4c4 | 1340 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
78589e07 RS |
1341 | \f |
1342 | /* xmenu_show actually displays a menu using the panes and items in menu_items | |
1343 | and returns the value selected from it. | |
1344 | There are two versions of xmenu_show, one for Xt and one for Xlib. | |
1345 | Both assume input is blocked by the caller. */ | |
1346 | ||
1347 | /* F is the frame the menu is for. | |
1348 | X and Y are the frame-relative specified position, | |
1349 | relative to the inside upper left corner of the frame F. | |
c8b5aa3d | 1350 | FOR_CLICK is nonzero if this menu was invoked for a mouse click. |
78589e07 RS |
1351 | KEYMAPS is 1 if this menu was specified with keymaps; |
1352 | in that case, we return a list containing the chosen item's value | |
1353 | and perhaps also the pane's prefix. | |
1354 | TITLE is the specified menu title. | |
1355 | ERROR is a place to store an error message string in case of failure. | |
1356 | (We return nil on failure, but the value doesn't actually matter.) */ | |
18686d47 | 1357 | |
488dd4c4 JD |
1358 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
1359 | ||
1360 | /* The item selected in the popup menu. */ | |
1361 | static Lisp_Object *volatile menu_item_selection; | |
1362 | ||
1363 | #ifdef USE_GTK | |
1364 | ||
1365 | /* Used when position a popup menu. See menu_position_func and | |
1366 | create_and_show_popup_menu below. */ | |
1367 | struct next_popup_x_y | |
1368 | { | |
7b76ca1c | 1369 | FRAME_PTR f; |
488dd4c4 JD |
1370 | int x; |
1371 | int y; | |
1372 | }; | |
1373 | ||
1374 | /* The menu position function to use if we are not putting a popup | |
1375 | menu where the pointer is. | |
1376 | MENU is the menu to pop up. | |
1377 | X and Y shall on exit contain x/y where the menu shall pop up. | |
1378 | PUSH_IN is not documented in the GTK manual. | |
1379 | USER_DATA is any data passed in when calling gtk_menu_popup. | |
1380 | Here it points to a struct next_popup_x_y where the coordinates | |
7b76ca1c | 1381 | to store in *X and *Y are as well as the frame for the popup. |
488dd4c4 JD |
1382 | |
1383 | Here only X and Y are used. */ | |
1384 | static void | |
971de7fb | 1385 | menu_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) |
488dd4c4 | 1386 | { |
7b76ca1c JD |
1387 | struct next_popup_x_y* data = (struct next_popup_x_y*)user_data; |
1388 | GtkRequisition req; | |
fd2f80c6 CY |
1389 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (data->f); |
1390 | int disp_width = x_display_pixel_width (dpyinfo); | |
1391 | int disp_height = x_display_pixel_height (dpyinfo); | |
b9de078a | 1392 | |
7b76ca1c JD |
1393 | *x = data->x; |
1394 | *y = data->y; | |
1395 | ||
1396 | /* Check if there is room for the menu. If not, adjust x/y so that | |
1397 | the menu is fully visible. */ | |
0afb4571 | 1398 | gtk_widget_get_preferred_size (GTK_WIDGET (menu), NULL, &req); |
7b76ca1c JD |
1399 | if (data->x + req.width > disp_width) |
1400 | *x -= data->x + req.width - disp_width; | |
1401 | if (data->y + req.height > disp_height) | |
1402 | *y -= data->y + req.height - disp_height; | |
488dd4c4 JD |
1403 | } |
1404 | ||
1405 | static void | |
971de7fb | 1406 | popup_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 JD |
1407 | { |
1408 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data*) client_data; | |
1409 | ||
1410 | if (xg_crazy_callback_abort) return; | |
1411 | if (cb_data) menu_item_selection = (Lisp_Object *) cb_data->call_data; | |
1412 | } | |
1413 | ||
af89e871 | 1414 | static Lisp_Object |
971de7fb | 1415 | pop_down_menu (Lisp_Object arg) |
af89e871 | 1416 | { |
a130b901 JD |
1417 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
1418 | ||
af89e871 | 1419 | popup_activated_flag = 0; |
a130b901 JD |
1420 | BLOCK_INPUT; |
1421 | gtk_widget_destroy (GTK_WIDGET (p->pointer)); | |
1422 | UNBLOCK_INPUT; | |
af89e871 JD |
1423 | return Qnil; |
1424 | } | |
1425 | ||
488dd4c4 JD |
1426 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1427 | menu pops down. | |
1428 | menu_item_selection will be set to the selection. */ | |
1429 | static void | |
08dc5ae6 PE |
1430 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, int x, int y, |
1431 | int for_click, Time timestamp) | |
488dd4c4 JD |
1432 | { |
1433 | int i; | |
1434 | GtkWidget *menu; | |
1435 | GtkMenuPositionFunc pos_func = 0; /* Pop up at pointer. */ | |
1436 | struct next_popup_x_y popup_x_y; | |
af89e871 | 1437 | int specpdl_count = SPECPDL_INDEX (); |
488dd4c4 | 1438 | |
62af879c KL |
1439 | if (! FRAME_X_P (f)) |
1440 | abort (); | |
1441 | ||
488dd4c4 JD |
1442 | xg_crazy_callback_abort = 1; |
1443 | menu = xg_create_widget ("popup", first_wv->name, f, first_wv, | |
1444 | G_CALLBACK (popup_selection_callback), | |
1445 | G_CALLBACK (popup_deactivate_callback), | |
1446 | G_CALLBACK (menu_highlight_callback)); | |
1447 | xg_crazy_callback_abort = 0; | |
177c0ea7 | 1448 | |
488dd4c4 JD |
1449 | if (! for_click) |
1450 | { | |
1451 | /* Not invoked by a click. pop up at x/y. */ | |
1452 | pos_func = menu_position_func; | |
1453 | ||
1454 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1455 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1456 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 JD |
1457 | |
1458 | popup_x_y.x = x; | |
1459 | popup_x_y.y = y; | |
7b76ca1c | 1460 | popup_x_y.f = f; |
488dd4c4 | 1461 | |
9b85e63d JD |
1462 | i = 0; /* gtk_menu_popup needs this to be 0 for a non-button popup. */ |
1463 | } | |
1464 | else | |
1465 | { | |
1466 | for (i = 0; i < 5; i++) | |
1467 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
1468 | break; | |
1469 | } | |
59cfb104 | 1470 | |
488dd4c4 JD |
1471 | /* Display the menu. */ |
1472 | gtk_widget_show_all (menu); | |
c0df13a6 | 1473 | |
a20903d0 | 1474 | gtk_menu_popup (GTK_MENU (menu), 0, 0, pos_func, &popup_x_y, i, |
08dc5ae6 | 1475 | timestamp ? timestamp : gtk_get_current_event_time ()); |
177c0ea7 | 1476 | |
a130b901 | 1477 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1478 | |
e547b051 | 1479 | if (gtk_widget_get_mapped (menu)) |
ff18668f JD |
1480 | { |
1481 | /* Set this to one. popup_widget_loop increases it by one, so it becomes | |
1482 | two. show_help_echo uses this to detect popup menus. */ | |
1483 | popup_activated_flag = 1; | |
1484 | /* Process events that apply to the menu. */ | |
1485 | popup_widget_loop (1, menu); | |
1486 | } | |
488dd4c4 | 1487 | |
af89e871 | 1488 | unbind_to (specpdl_count, Qnil); |
177c0ea7 | 1489 | |
488dd4c4 JD |
1490 | /* Must reset this manually because the button release event is not passed |
1491 | to Emacs event loop. */ | |
1492 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
1493 | } | |
1494 | ||
1495 | #else /* not USE_GTK */ | |
18686d47 | 1496 | |
8ed87156 | 1497 | /* We need a unique id for each widget handled by the Lucid Widget |
cc17e9bf KH |
1498 | library. |
1499 | ||
1500 | For the main windows, and popup menus, we use this counter, | |
88766961 | 1501 | which we increment each time after use. This starts from 1<<16. |
cc17e9bf | 1502 | |
88766961 RS |
1503 | For menu bars, we use numbers starting at 0, counted in |
1504 | next_menubar_widget_id. */ | |
8ed87156 | 1505 | LWLIB_ID widget_id_tick; |
165e1749 | 1506 | |
4dedbfe0 | 1507 | static void |
ebd15611 | 1508 | popup_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 PR |
1509 | { |
1510 | menu_item_selection = (Lisp_Object *) client_data; | |
1511 | } | |
1512 | ||
af89e871 JD |
1513 | /* ARG is the LWLIB ID of the dialog box, represented |
1514 | as a Lisp object as (HIGHPART . LOWPART). */ | |
1515 | ||
1516 | static Lisp_Object | |
ebd15611 | 1517 | pop_down_menu (Lisp_Object arg) |
af89e871 JD |
1518 | { |
1519 | LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID) | |
1520 | | XINT (XCDR (arg))); | |
1521 | ||
1522 | BLOCK_INPUT; | |
1523 | lw_destroy_all_widgets (id); | |
1524 | UNBLOCK_INPUT; | |
1525 | popup_activated_flag = 0; | |
1526 | ||
1527 | return Qnil; | |
1528 | } | |
1529 | ||
488dd4c4 JD |
1530 | /* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop until the |
1531 | menu pops down. | |
1532 | menu_item_selection will be set to the selection. */ | |
1533 | static void | |
2b23d2a6 | 1534 | create_and_show_popup_menu (FRAME_PTR f, widget_value *first_wv, |
08dc5ae6 | 1535 | int x, int y, int for_click, Time timestamp) |
488dd4c4 JD |
1536 | { |
1537 | int i; | |
1538 | Arg av[2]; | |
1539 | int ac = 0; | |
65969f63 CY |
1540 | XEvent dummy; |
1541 | XButtonPressedEvent *event = &(dummy.xbutton); | |
488dd4c4 JD |
1542 | LWLIB_ID menu_id; |
1543 | Widget menu; | |
488dd4c4 | 1544 | |
62af879c KL |
1545 | if (! FRAME_X_P (f)) |
1546 | abort (); | |
1547 | ||
3928f2b6 JD |
1548 | #ifdef USE_LUCID |
1549 | apply_systemfont_to_menu (f, f->output_data.x->widget); | |
1550 | #endif | |
1551 | ||
488dd4c4 JD |
1552 | menu_id = widget_id_tick++; |
1553 | menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv, | |
1554 | f->output_data.x->widget, 1, 0, | |
1555 | popup_selection_callback, | |
1556 | popup_deactivate_callback, | |
1557 | menu_highlight_callback); | |
1558 | ||
65969f63 CY |
1559 | event->type = ButtonPress; |
1560 | event->serial = 0; | |
1561 | event->send_event = 0; | |
1562 | event->display = FRAME_X_DISPLAY (f); | |
1563 | event->time = CurrentTime; | |
1564 | event->root = FRAME_X_DISPLAY_INFO (f)->root_window; | |
1565 | event->window = event->subwindow = event->root; | |
1566 | event->x = x; | |
1567 | event->y = y; | |
488dd4c4 JD |
1568 | |
1569 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
1570 | x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f); |
1571 | y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
488dd4c4 | 1572 | |
65969f63 CY |
1573 | event->x_root = x; |
1574 | event->y_root = y; | |
488dd4c4 | 1575 | |
65969f63 CY |
1576 | event->state = 0; |
1577 | event->button = 0; | |
488dd4c4 JD |
1578 | for (i = 0; i < 5; i++) |
1579 | if (FRAME_X_DISPLAY_INFO (f)->grabbed & (1 << i)) | |
65969f63 | 1580 | event->button = i; |
488dd4c4 JD |
1581 | |
1582 | /* Don't allow any geometry request from the user. */ | |
1583 | XtSetArg (av[ac], XtNgeometry, 0); ac++; | |
1584 | XtSetValues (menu, av, ac); | |
1585 | ||
1586 | /* Display the menu. */ | |
65969f63 | 1587 | lw_popup_menu (menu, &dummy); |
488dd4c4 | 1588 | popup_activated_flag = 1; |
98a20c65 | 1589 | x_activate_timeout_atimer (); |
59cfb104 | 1590 | |
af89e871 JD |
1591 | { |
1592 | int fact = 4 * sizeof (LWLIB_ID); | |
1593 | int specpdl_count = SPECPDL_INDEX (); | |
1594 | record_unwind_protect (pop_down_menu, | |
1595 | Fcons (make_number (menu_id >> (fact)), | |
1596 | make_number (menu_id & ~(-1 << (fact))))); | |
488dd4c4 | 1597 | |
af89e871 | 1598 | /* Process events that apply to the menu. */ |
95bdef2e | 1599 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 1); |
488dd4c4 | 1600 | |
af89e871 JD |
1601 | unbind_to (specpdl_count, Qnil); |
1602 | } | |
488dd4c4 JD |
1603 | } |
1604 | ||
1605 | #endif /* not USE_GTK */ | |
1606 | ||
ef7417fd SM |
1607 | Lisp_Object |
1608 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, | |
08dc5ae6 | 1609 | Lisp_Object title, const char **error_name, Time timestamp) |
18686d47 | 1610 | { |
78589e07 | 1611 | int i; |
78589e07 | 1612 | widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0; |
101bb4a5 RS |
1613 | widget_value **submenu_stack |
1614 | = (widget_value **) alloca (menu_items_used * sizeof (widget_value *)); | |
1615 | Lisp_Object *subprefix_stack | |
1616 | = (Lisp_Object *) alloca (menu_items_used * sizeof (Lisp_Object)); | |
1617 | int submenu_depth = 0; | |
4e8d3549 | 1618 | |
78c8278d RS |
1619 | int first_pane; |
1620 | ||
62af879c KL |
1621 | if (! FRAME_X_P (f)) |
1622 | abort (); | |
1623 | ||
d4323972 | 1624 | *error_name = NULL; |
78589e07 | 1625 | |
742f715d KH |
1626 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
1627 | { | |
d4323972 | 1628 | *error_name = "Empty menu"; |
742f715d KH |
1629 | return Qnil; |
1630 | } | |
63c414df | 1631 | |
78589e07 RS |
1632 | /* Create a tree of widget_value objects |
1633 | representing the panes and their items. */ | |
f7fab165 | 1634 | wv = xmalloc_widget_value (); |
78589e07 RS |
1635 | wv->name = "menu"; |
1636 | wv->value = 0; | |
1637 | wv->enabled = 1; | |
3427a3db | 1638 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1639 | wv->help =Qnil; |
78589e07 | 1640 | first_wv = wv; |
78c8278d | 1641 | first_pane = 1; |
177c0ea7 | 1642 | |
78589e07 RS |
1643 | /* Loop over all panes and items, filling in the tree. */ |
1644 | i = 0; | |
1645 | while (i < menu_items_used) | |
1646 | { | |
101bb4a5 RS |
1647 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1648 | { | |
1649 | submenu_stack[submenu_depth++] = save_wv; | |
1650 | save_wv = prev_wv; | |
1651 | prev_wv = 0; | |
78c8278d | 1652 | first_pane = 1; |
101bb4a5 RS |
1653 | i++; |
1654 | } | |
1655 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1656 | { | |
1657 | prev_wv = save_wv; | |
1658 | save_wv = submenu_stack[--submenu_depth]; | |
78c8278d | 1659 | first_pane = 0; |
101bb4a5 RS |
1660 | i++; |
1661 | } | |
1662 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt) | |
1663 | && submenu_depth != 0) | |
1664 | i += MENU_ITEMS_PANE_LENGTH; | |
fcaa7665 RS |
1665 | /* Ignore a nil in the item list. |
1666 | It's meaningful only for dialog boxes. */ | |
1667 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1668 | i += 1; | |
101bb4a5 | 1669 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
78589e07 RS |
1670 | { |
1671 | /* Create a new pane. */ | |
1672 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 1673 | const char *pane_string; |
177c0ea7 | 1674 | |
4c329aa8 GM |
1675 | pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME); |
1676 | prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX); | |
177c0ea7 | 1677 | |
703dc2a8 | 1678 | #ifndef HAVE_MULTILINGUAL_MENU |
4c329aa8 GM |
1679 | if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name)) |
1680 | { | |
8af9fa55 | 1681 | pane_name = ENCODE_MENU_STRING (pane_name); |
3ae565b3 | 1682 | ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name); |
4c329aa8 | 1683 | } |
703dc2a8 | 1684 | #endif |
78589e07 | 1685 | pane_string = (NILP (pane_name) |
51b59d79 | 1686 | ? "" : SSDATA (pane_name)); |
101bb4a5 | 1687 | /* If there is just one top-level pane, put all its items directly |
78589e07 RS |
1688 | under the top-level menu. */ |
1689 | if (menu_items_n_panes == 1) | |
1690 | pane_string = ""; | |
1691 | ||
1692 | /* If the pane has a meaningful name, | |
1693 | make the pane a top-level menu item | |
1694 | with its items as a submenu beneath it. */ | |
78c8278d | 1695 | if (!keymaps && strcmp (pane_string, "")) |
78589e07 | 1696 | { |
f7fab165 | 1697 | wv = xmalloc_widget_value (); |
78589e07 RS |
1698 | if (save_wv) |
1699 | save_wv->next = wv; | |
1700 | else | |
1701 | first_wv->contents = wv; | |
1702 | wv->name = pane_string; | |
1703 | if (keymaps && !NILP (prefix)) | |
1704 | wv->name++; | |
1705 | wv->value = 0; | |
1706 | wv->enabled = 1; | |
3427a3db | 1707 | wv->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1708 | wv->help = Qnil; |
78c8278d RS |
1709 | save_wv = wv; |
1710 | prev_wv = 0; | |
78589e07 | 1711 | } |
78c8278d RS |
1712 | else if (first_pane) |
1713 | { | |
1714 | save_wv = wv; | |
1715 | prev_wv = 0; | |
1716 | } | |
1717 | first_pane = 0; | |
78589e07 RS |
1718 | i += MENU_ITEMS_PANE_LENGTH; |
1719 | } | |
1720 | else | |
1721 | { | |
1722 | /* Create a new item within current pane. */ | |
9cd50434 | 1723 | Lisp_Object item_name, enable, descrip, def, type, selected, help; |
4c329aa8 GM |
1724 | item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME); |
1725 | enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE); | |
1726 | descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY); | |
1727 | def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION); | |
1728 | type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE); | |
1729 | selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED); | |
1730 | help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP); | |
3427a3db | 1731 | |
703dc2a8 | 1732 | #ifndef HAVE_MULTILINGUAL_MENU |
3427a3db | 1733 | if (STRINGP (item_name) && STRING_MULTIBYTE (item_name)) |
4c329aa8 | 1734 | { |
646f98ec | 1735 | item_name = ENCODE_MENU_STRING (item_name); |
3ae565b3 | 1736 | ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name); |
4c329aa8 | 1737 | } |
177c0ea7 | 1738 | |
3427a3db | 1739 | if (STRINGP (descrip) && STRING_MULTIBYTE (descrip)) |
4c329aa8 | 1740 | { |
646f98ec | 1741 | descrip = ENCODE_MENU_STRING (descrip); |
3ae565b3 | 1742 | ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip); |
4c329aa8 GM |
1743 | } |
1744 | #endif /* not HAVE_MULTILINGUAL_MENU */ | |
177c0ea7 | 1745 | |
f7fab165 | 1746 | wv = xmalloc_widget_value (); |
177c0ea7 | 1747 | if (prev_wv) |
78589e07 | 1748 | prev_wv->next = wv; |
177c0ea7 | 1749 | else |
78589e07 | 1750 | save_wv->contents = wv; |
51b59d79 | 1751 | wv->name = SSDATA (item_name); |
78589e07 | 1752 | if (!NILP (descrip)) |
51b59d79 | 1753 | wv->key = SSDATA (descrip); |
78589e07 | 1754 | wv->value = 0; |
a352a815 RS |
1755 | /* If this item has a null value, |
1756 | make the call_data null so that it won't display a box | |
1757 | when the mouse is on it. */ | |
1758 | wv->call_data | |
1759 | = (!NILP (def) ? (void *) &XVECTOR (menu_items)->contents[i] : 0); | |
78589e07 | 1760 | wv->enabled = !NILP (enable); |
3427a3db GM |
1761 | |
1762 | if (NILP (type)) | |
1763 | wv->button_type = BUTTON_TYPE_NONE; | |
1764 | else if (EQ (type, QCtoggle)) | |
1765 | wv->button_type = BUTTON_TYPE_TOGGLE; | |
1766 | else if (EQ (type, QCradio)) | |
1767 | wv->button_type = BUTTON_TYPE_RADIO; | |
1768 | else | |
1769 | abort (); | |
1770 | ||
1771 | wv->selected = !NILP (selected); | |
cc45fb40 | 1772 | |
0b1f4572 RS |
1773 | if (! STRINGP (help)) |
1774 | help = Qnil; | |
1775 | ||
1776 | wv->help = help; | |
cc45fb40 | 1777 | |
78589e07 RS |
1778 | prev_wv = wv; |
1779 | ||
1780 | i += MENU_ITEMS_ITEM_LENGTH; | |
1781 | } | |
1782 | } | |
1783 | ||
c98fcf4b | 1784 | /* Deal with the title, if it is non-nil. */ |
4dedbfe0 PR |
1785 | if (!NILP (title)) |
1786 | { | |
f7fab165 RS |
1787 | widget_value *wv_title = xmalloc_widget_value (); |
1788 | widget_value *wv_sep1 = xmalloc_widget_value (); | |
1789 | widget_value *wv_sep2 = xmalloc_widget_value (); | |
4dedbfe0 PR |
1790 | |
1791 | wv_sep2->name = "--"; | |
1792 | wv_sep2->next = first_wv->contents; | |
27ad7b52 | 1793 | wv_sep2->help = Qnil; |
4dedbfe0 PR |
1794 | |
1795 | wv_sep1->name = "--"; | |
1796 | wv_sep1->next = wv_sep2; | |
27ad7b52 | 1797 | wv_sep1->help = Qnil; |
4dedbfe0 | 1798 | |
703dc2a8 KH |
1799 | #ifndef HAVE_MULTILINGUAL_MENU |
1800 | if (STRING_MULTIBYTE (title)) | |
646f98ec | 1801 | title = ENCODE_MENU_STRING (title); |
703dc2a8 | 1802 | #endif |
177c0ea7 | 1803 | |
51b59d79 | 1804 | wv_title->name = SSDATA (title); |
cc45fb40 | 1805 | wv_title->enabled = TRUE; |
3427a3db | 1806 | wv_title->button_type = BUTTON_TYPE_NONE; |
27ad7b52 | 1807 | wv_title->help = Qnil; |
a9d8395f | 1808 | wv_title->next = wv_sep1; |
4dedbfe0 PR |
1809 | first_wv->contents = wv_title; |
1810 | } | |
1811 | ||
78589e07 RS |
1812 | /* No selection has been chosen yet. */ |
1813 | menu_item_selection = 0; | |
1814 | ||
488dd4c4 | 1815 | /* Actually create and show the menu until popped down. */ |
a20903d0 | 1816 | create_and_show_popup_menu (f, first_wv, x, y, for_click, timestamp); |
18686d47 | 1817 | |
488dd4c4 JD |
1818 | /* Free the widget_value objects we used to specify the contents. */ |
1819 | free_menubar_widget_value_tree (first_wv); | |
18686d47 | 1820 | |
78589e07 RS |
1821 | /* Find the selected item, and its pane, to return |
1822 | the proper value. */ | |
1823 | if (menu_item_selection != 0) | |
1824 | { | |
c63f6952 | 1825 | Lisp_Object prefix, entry; |
78589e07 | 1826 | |
6bbd7a29 | 1827 | prefix = entry = Qnil; |
78589e07 RS |
1828 | i = 0; |
1829 | while (i < menu_items_used) | |
1830 | { | |
101bb4a5 RS |
1831 | if (EQ (XVECTOR (menu_items)->contents[i], Qnil)) |
1832 | { | |
1833 | subprefix_stack[submenu_depth++] = prefix; | |
1834 | prefix = entry; | |
1835 | i++; | |
1836 | } | |
1837 | else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda)) | |
1838 | { | |
1839 | prefix = subprefix_stack[--submenu_depth]; | |
1840 | i++; | |
1841 | } | |
1842 | else if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
78589e07 RS |
1843 | { |
1844 | prefix | |
1845 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
1846 | i += MENU_ITEMS_PANE_LENGTH; | |
1847 | } | |
d31d42cc RS |
1848 | /* Ignore a nil in the item list. |
1849 | It's meaningful only for dialog boxes. */ | |
1850 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
1851 | i += 1; | |
78589e07 RS |
1852 | else |
1853 | { | |
1854 | entry | |
1855 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
1856 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
1857 | { | |
1858 | if (keymaps != 0) | |
1859 | { | |
101bb4a5 RS |
1860 | int j; |
1861 | ||
78589e07 RS |
1862 | entry = Fcons (entry, Qnil); |
1863 | if (!NILP (prefix)) | |
1864 | entry = Fcons (prefix, entry); | |
101bb4a5 | 1865 | for (j = submenu_depth - 1; j >= 0; j--) |
e48087b7 | 1866 | if (!NILP (subprefix_stack[j])) |
5964e450 | 1867 | entry = Fcons (subprefix_stack[j], entry); |
78589e07 RS |
1868 | } |
1869 | return entry; | |
1870 | } | |
1871 | i += MENU_ITEMS_ITEM_LENGTH; | |
1872 | } | |
1873 | } | |
1874 | } | |
be6ed24a RS |
1875 | else if (!for_click) |
1876 | /* Make "Cancel" equivalent to C-g. */ | |
1877 | Fsignal (Qquit, Qnil); | |
78589e07 RS |
1878 | |
1879 | return Qnil; | |
18686d47 | 1880 | } |
4dedbfe0 | 1881 | \f |
488dd4c4 JD |
1882 | #ifdef USE_GTK |
1883 | static void | |
971de7fb | 1884 | dialog_selection_callback (GtkWidget *widget, gpointer client_data) |
488dd4c4 | 1885 | { |
8ac068ac | 1886 | /* Treat the pointer as an integer. There's no problem |
488dd4c4 | 1887 | as long as pointers have enough bits to hold small integers. */ |
d01a7826 | 1888 | if ((intptr_t) client_data != -1) |
488dd4c4 JD |
1889 | menu_item_selection = (Lisp_Object *) client_data; |
1890 | ||
1891 | popup_activated_flag = 0; | |
1892 | } | |
1893 | ||
1894 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the | |
1895 | dialog pops down. | |
1896 | menu_item_selection will be set to the selection. */ | |
1897 | static void | |
971de7fb | 1898 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1899 | { |
1900 | GtkWidget *menu; | |
1901 | ||
62af879c KL |
1902 | if (! FRAME_X_P (f)) |
1903 | abort (); | |
1904 | ||
488dd4c4 JD |
1905 | menu = xg_create_widget ("dialog", first_wv->name, f, first_wv, |
1906 | G_CALLBACK (dialog_selection_callback), | |
1907 | G_CALLBACK (popup_deactivate_callback), | |
1908 | 0); | |
1909 | ||
1910 | if (menu) | |
1911 | { | |
af89e871 | 1912 | int specpdl_count = SPECPDL_INDEX (); |
a130b901 | 1913 | record_unwind_protect (pop_down_menu, make_save_value (menu, 0)); |
af89e871 | 1914 | |
488dd4c4 JD |
1915 | /* Display the menu. */ |
1916 | gtk_widget_show_all (menu); | |
1917 | ||
1918 | /* Process events that apply to the menu. */ | |
f1d1cd24 | 1919 | popup_widget_loop (1, menu); |
177c0ea7 | 1920 | |
af89e871 | 1921 | unbind_to (specpdl_count, Qnil); |
488dd4c4 JD |
1922 | } |
1923 | } | |
1924 | ||
1925 | #else /* not USE_GTK */ | |
4dedbfe0 | 1926 | static void |
ebd15611 | 1927 | dialog_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) |
4dedbfe0 | 1928 | { |
4475bec4 | 1929 | /* Treat the pointer as an integer. There's no problem |
01d5e892 | 1930 | as long as pointers have enough bits to hold small integers. */ |
4475bec4 | 1931 | if ((intptr_t) client_data != -1) |
4dedbfe0 | 1932 | menu_item_selection = (Lisp_Object *) client_data; |
488dd4c4 | 1933 | |
4dedbfe0 PR |
1934 | BLOCK_INPUT; |
1935 | lw_destroy_all_widgets (id); | |
1936 | UNBLOCK_INPUT; | |
9572375b | 1937 | popup_activated_flag = 0; |
4dedbfe0 | 1938 | } |
18686d47 | 1939 | |
488dd4c4 | 1940 | |
488dd4c4 JD |
1941 | /* Pop up the dialog for frame F defined by FIRST_WV and loop until the |
1942 | dialog pops down. | |
1943 | menu_item_selection will be set to the selection. */ | |
1944 | static void | |
ebd15611 | 1945 | create_and_show_dialog (FRAME_PTR f, widget_value *first_wv) |
488dd4c4 JD |
1946 | { |
1947 | LWLIB_ID dialog_id; | |
1948 | ||
62af879c KL |
1949 | if (!FRAME_X_P (f)) |
1950 | abort(); | |
1951 | ||
488dd4c4 | 1952 | dialog_id = widget_id_tick++; |
52214050 | 1953 | #ifdef USE_LUCID |
1ecb2d3f JD |
1954 | apply_systemfont_to_dialog (f->output_data.x->widget); |
1955 | #endif | |
488dd4c4 JD |
1956 | lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv, |
1957 | f->output_data.x->widget, 1, 0, | |
1958 | dialog_selection_callback, 0, 0); | |
1959 | lw_modify_all_widgets (dialog_id, first_wv->contents, True); | |
488dd4c4 JD |
1960 | /* Display the dialog box. */ |
1961 | lw_pop_up_all_widgets (dialog_id); | |
1962 | popup_activated_flag = 1; | |
98a20c65 | 1963 | x_activate_timeout_atimer (); |
488dd4c4 JD |
1964 | |
1965 | /* Process events that apply to the dialog box. | |
1966 | Also handle timers. */ | |
1967 | { | |
1968 | int count = SPECPDL_INDEX (); | |
1969 | int fact = 4 * sizeof (LWLIB_ID); | |
177c0ea7 | 1970 | |
488dd4c4 | 1971 | /* xdialog_show_unwind is responsible for popping the dialog box down. */ |
af89e871 | 1972 | record_unwind_protect (pop_down_menu, |
488dd4c4 JD |
1973 | Fcons (make_number (dialog_id >> (fact)), |
1974 | make_number (dialog_id & ~(-1 << (fact))))); | |
1975 | ||
df470e3b | 1976 | popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), |
95bdef2e | 1977 | dialog_id, 1); |
488dd4c4 JD |
1978 | |
1979 | unbind_to (count, Qnil); | |
1980 | } | |
1981 | } | |
1982 | ||
1983 | #endif /* not USE_GTK */ | |
1984 | ||
42ca4633 | 1985 | static const char * button_names [] = { |
165e1749 FP |
1986 | "button1", "button2", "button3", "button4", "button5", |
1987 | "button6", "button7", "button8", "button9", "button10" }; | |
1988 | ||
1989 | static Lisp_Object | |
42ca4633 J |
1990 | xdialog_show (FRAME_PTR f, |
1991 | int keymaps, | |
1992 | Lisp_Object title, | |
1993 | Lisp_Object header, | |
1994 | const char **error_name) | |
165e1749 FP |
1995 | { |
1996 | int i, nb_buttons=0; | |
80670155 | 1997 | char dialog_name[6]; |
165e1749 | 1998 | |
faa935b6 | 1999 | widget_value *wv, *first_wv = 0, *prev_wv = 0; |
165e1749 | 2000 | |
fcaa7665 RS |
2001 | /* Number of elements seen so far, before boundary. */ |
2002 | int left_count = 0; | |
2003 | /* 1 means we've seen the boundary between left-hand elts and right-hand. */ | |
2004 | int boundary_seen = 0; | |
2005 | ||
62af879c KL |
2006 | if (! FRAME_X_P (f)) |
2007 | abort (); | |
2008 | ||
6a040d6a | 2009 | *error_name = NULL; |
165e1749 | 2010 | |
80670155 RS |
2011 | if (menu_items_n_panes > 1) |
2012 | { | |
6a040d6a | 2013 | *error_name = "Multiple panes in dialog box"; |
80670155 RS |
2014 | return Qnil; |
2015 | } | |
2016 | ||
165e1749 FP |
2017 | /* Create a tree of widget_value objects |
2018 | representing the text label and buttons. */ | |
2019 | { | |
2020 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2021 | const char *pane_string; |
165e1749 FP |
2022 | pane_name = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME]; |
2023 | prefix = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_PREFIX]; | |
2024 | pane_string = (NILP (pane_name) | |
51b59d79 | 2025 | ? "" : SSDATA (pane_name)); |
f7fab165 | 2026 | prev_wv = xmalloc_widget_value (); |
165e1749 FP |
2027 | prev_wv->value = pane_string; |
2028 | if (keymaps && !NILP (prefix)) | |
2029 | prev_wv->name++; | |
2030 | prev_wv->enabled = 1; | |
2031 | prev_wv->name = "message"; | |
27ad7b52 | 2032 | prev_wv->help = Qnil; |
165e1749 | 2033 | first_wv = prev_wv; |
177c0ea7 | 2034 | |
165e1749 FP |
2035 | /* Loop over all panes and items, filling in the tree. */ |
2036 | i = MENU_ITEMS_PANE_LENGTH; | |
2037 | while (i < menu_items_used) | |
2038 | { | |
177c0ea7 | 2039 | |
165e1749 FP |
2040 | /* Create a new item within current pane. */ |
2041 | Lisp_Object item_name, enable, descrip; | |
2042 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2043 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2044 | descrip | |
2045 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
177c0ea7 | 2046 | |
80670155 RS |
2047 | if (NILP (item_name)) |
2048 | { | |
2049 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2050 | *error_name = "Submenu in dialog items"; |
80670155 RS |
2051 | return Qnil; |
2052 | } | |
fcaa7665 RS |
2053 | if (EQ (item_name, Qquote)) |
2054 | { | |
2055 | /* This is the boundary between left-side elts | |
2056 | and right-side elts. Stop incrementing right_count. */ | |
2057 | boundary_seen = 1; | |
2058 | i++; | |
2059 | continue; | |
2060 | } | |
86e71abf | 2061 | if (nb_buttons >= 9) |
80670155 RS |
2062 | { |
2063 | free_menubar_widget_value_tree (first_wv); | |
6a040d6a | 2064 | *error_name = "Too many dialog items"; |
80670155 RS |
2065 | return Qnil; |
2066 | } | |
2067 | ||
f7fab165 | 2068 | wv = xmalloc_widget_value (); |
165e1749 | 2069 | prev_wv->next = wv; |
80670155 | 2070 | wv->name = (char *) button_names[nb_buttons]; |
165e1749 | 2071 | if (!NILP (descrip)) |
51b59d79 PE |
2072 | wv->key = SSDATA (descrip); |
2073 | wv->value = SSDATA (item_name); | |
165e1749 FP |
2074 | wv->call_data = (void *) &XVECTOR (menu_items)->contents[i]; |
2075 | wv->enabled = !NILP (enable); | |
27ad7b52 | 2076 | wv->help = Qnil; |
165e1749 FP |
2077 | prev_wv = wv; |
2078 | ||
fcaa7665 RS |
2079 | if (! boundary_seen) |
2080 | left_count++; | |
2081 | ||
165e1749 FP |
2082 | nb_buttons++; |
2083 | i += MENU_ITEMS_ITEM_LENGTH; | |
2084 | } | |
2085 | ||
fcaa7665 RS |
2086 | /* If the boundary was not specified, |
2087 | by default put half on the left and half on the right. */ | |
2088 | if (! boundary_seen) | |
2089 | left_count = nb_buttons - nb_buttons / 2; | |
2090 | ||
f7fab165 | 2091 | wv = xmalloc_widget_value (); |
80670155 | 2092 | wv->name = dialog_name; |
27ad7b52 | 2093 | wv->help = Qnil; |
6a040d6a NR |
2094 | |
2095 | /* Frame title: 'Q' = Question, 'I' = Information. | |
2096 | Can also have 'E' = Error if, one day, we want | |
2097 | a popup for errors. */ | |
2098 | if (NILP(header)) | |
2099 | dialog_name[0] = 'Q'; | |
2100 | else | |
2101 | dialog_name[0] = 'I'; | |
2102 | ||
80670155 RS |
2103 | /* Dialog boxes use a really stupid name encoding |
2104 | which specifies how many buttons to use | |
6a040d6a | 2105 | and how many buttons are on the right. */ |
80670155 RS |
2106 | dialog_name[1] = '0' + nb_buttons; |
2107 | dialog_name[2] = 'B'; | |
2108 | dialog_name[3] = 'R'; | |
fcaa7665 RS |
2109 | /* Number of buttons to put on the right. */ |
2110 | dialog_name[4] = '0' + nb_buttons - left_count; | |
80670155 | 2111 | dialog_name[5] = 0; |
165e1749 FP |
2112 | wv->contents = first_wv; |
2113 | first_wv = wv; | |
165e1749 FP |
2114 | } |
2115 | ||
165e1749 FP |
2116 | /* No selection has been chosen yet. */ |
2117 | menu_item_selection = 0; | |
2118 | ||
488dd4c4 JD |
2119 | /* Actually create and show the dialog. */ |
2120 | create_and_show_dialog (f, first_wv); | |
f02cac82 | 2121 | |
488dd4c4 JD |
2122 | /* Free the widget_value objects we used to specify the contents. */ |
2123 | free_menubar_widget_value_tree (first_wv); | |
177c0ea7 | 2124 | |
488dd4c4 JD |
2125 | /* Find the selected item, and its pane, to return |
2126 | the proper value. */ | |
165e1749 FP |
2127 | if (menu_item_selection != 0) |
2128 | { | |
2129 | Lisp_Object prefix; | |
2130 | ||
2131 | prefix = Qnil; | |
2132 | i = 0; | |
2133 | while (i < menu_items_used) | |
2134 | { | |
2135 | Lisp_Object entry; | |
2136 | ||
2137 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) | |
2138 | { | |
2139 | prefix | |
2140 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2141 | i += MENU_ITEMS_PANE_LENGTH; | |
2142 | } | |
85996cfb GM |
2143 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) |
2144 | { | |
2145 | /* This is the boundary between left-side elts and | |
2146 | right-side elts. */ | |
2147 | ++i; | |
2148 | } | |
165e1749 FP |
2149 | else |
2150 | { | |
2151 | entry | |
2152 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2153 | if (menu_item_selection == &XVECTOR (menu_items)->contents[i]) | |
2154 | { | |
2155 | if (keymaps != 0) | |
2156 | { | |
2157 | entry = Fcons (entry, Qnil); | |
2158 | if (!NILP (prefix)) | |
2159 | entry = Fcons (prefix, entry); | |
2160 | } | |
2161 | return entry; | |
2162 | } | |
2163 | i += MENU_ITEMS_ITEM_LENGTH; | |
2164 | } | |
2165 | } | |
2166 | } | |
9f6fcdc5 JD |
2167 | else |
2168 | /* Make "Cancel" equivalent to C-g. */ | |
2169 | Fsignal (Qquit, Qnil); | |
165e1749 FP |
2170 | |
2171 | return Qnil; | |
2172 | } | |
ba461919 | 2173 | |
488dd4c4 | 2174 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
78589e07 | 2175 | |
3e703b25 GM |
2176 | /* The frame of the last activated non-toolkit menu bar. |
2177 | Used to generate menu help events. */ | |
2178 | ||
2179 | static struct frame *menu_help_frame; | |
2180 | ||
2181 | ||
62145073 GM |
2182 | /* Show help HELP_STRING, or clear help if HELP_STRING is null. |
2183 | ||
2184 | PANE is the pane number, and ITEM is the menu item number in | |
2185 | the menu (currently not used). | |
177c0ea7 | 2186 | |
62145073 GM |
2187 | This cannot be done with generating a HELP_EVENT because |
2188 | XMenuActivate contains a loop that doesn't let Emacs process | |
2189 | keyboard events. */ | |
3e703b25 GM |
2190 | |
2191 | static void | |
eb18f6cc | 2192 | menu_help_callback (char const *help_string, int pane, int item) |
3e703b25 | 2193 | { |
62145073 GM |
2194 | Lisp_Object *first_item; |
2195 | Lisp_Object pane_name; | |
2196 | Lisp_Object menu_object; | |
177c0ea7 | 2197 | |
62145073 GM |
2198 | first_item = XVECTOR (menu_items)->contents; |
2199 | if (EQ (first_item[0], Qt)) | |
2200 | pane_name = first_item[MENU_ITEMS_PANE_NAME]; | |
2201 | else if (EQ (first_item[0], Qquote)) | |
2202 | /* This shouldn't happen, see xmenu_show. */ | |
ce33e8eb | 2203 | pane_name = empty_unibyte_string; |
62145073 GM |
2204 | else |
2205 | pane_name = first_item[MENU_ITEMS_ITEM_NAME]; | |
177c0ea7 | 2206 | |
62145073 GM |
2207 | /* (menu-item MENU-NAME PANE-NUMBER) */ |
2208 | menu_object = Fcons (Qmenu_item, | |
2209 | Fcons (pane_name, | |
2210 | Fcons (make_number (pane), Qnil))); | |
ba461919 | 2211 | show_help_echo (help_string ? build_string (help_string) : Qnil, |
f868cd8a | 2212 | Qnil, menu_object, make_number (item)); |
3e703b25 | 2213 | } |
177c0ea7 | 2214 | |
af89e871 | 2215 | static Lisp_Object |
0521f580 | 2216 | pop_down_menu (Lisp_Object arg) |
af89e871 | 2217 | { |
a130b901 JD |
2218 | struct Lisp_Save_Value *p1 = XSAVE_VALUE (Fcar (arg)); |
2219 | struct Lisp_Save_Value *p2 = XSAVE_VALUE (Fcdr (arg)); | |
59cfb104 | 2220 | |
a130b901 JD |
2221 | FRAME_PTR f = p1->pointer; |
2222 | XMenu *menu = p2->pointer; | |
af89e871 JD |
2223 | |
2224 | BLOCK_INPUT; | |
af89e871 | 2225 | #ifndef MSDOS |
a130b901 JD |
2226 | XUngrabPointer (FRAME_X_DISPLAY (f), CurrentTime); |
2227 | XUngrabKeyboard (FRAME_X_DISPLAY (f), CurrentTime); | |
af89e871 | 2228 | #endif |
a130b901 | 2229 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
af89e871 JD |
2230 | |
2231 | #ifdef HAVE_X_WINDOWS | |
2232 | /* Assume the mouse has moved out of the X window. | |
2233 | If it has actually moved in, we will get an EnterNotify. */ | |
2234 | x_mouse_leave (FRAME_X_DISPLAY_INFO (f)); | |
2235 | ||
2236 | /* State that no mouse buttons are now held. | |
2237 | (The oldXMenu code doesn't track this info for us.) | |
2238 | That is not necessarily true, but the fiction leads to reasonable | |
2239 | results, and it is a pain to ask which are actually held now. */ | |
2240 | FRAME_X_DISPLAY_INFO (f)->grabbed = 0; | |
2241 | ||
2242 | #endif /* HAVE_X_WINDOWS */ | |
2243 | ||
2244 | UNBLOCK_INPUT; | |
2245 | ||
2246 | return Qnil; | |
2247 | } | |
2248 | ||
3e703b25 | 2249 | |
1fb99a3a | 2250 | Lisp_Object |
2b23d2a6 | 2251 | xmenu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps, |
08dc5ae6 | 2252 | Lisp_Object title, const char **error_name, Time timestamp) |
dcfdbac7 | 2253 | { |
177c0ea7 | 2254 | Window root; |
78589e07 RS |
2255 | XMenu *menu; |
2256 | int pane, selidx, lpane, status; | |
2257 | Lisp_Object entry, pane_prefix; | |
dcfdbac7 JB |
2258 | char *datap; |
2259 | int ulx, uly, width, height; | |
2260 | int dispwidth, dispheight; | |
453a4f1b | 2261 | int i, j, lines, maxlines; |
4e8d3549 | 2262 | int maxwidth; |
78589e07 RS |
2263 | int dummy_int; |
2264 | unsigned int dummy_uint; | |
af89e871 | 2265 | int specpdl_count = SPECPDL_INDEX (); |
088831f6 | 2266 | |
a9e1244d | 2267 | if (! FRAME_X_P (f) && ! FRAME_MSDOS_P (f)) |
62af879c KL |
2268 | abort (); |
2269 | ||
bf501fb9 | 2270 | *error_name = 0; |
78589e07 RS |
2271 | if (menu_items_n_panes == 0) |
2272 | return Qnil; | |
088831f6 | 2273 | |
742f715d KH |
2274 | if (menu_items_used <= MENU_ITEMS_PANE_LENGTH) |
2275 | { | |
bf501fb9 | 2276 | *error_name = "Empty menu"; |
742f715d KH |
2277 | return Qnil; |
2278 | } | |
2279 | ||
78589e07 | 2280 | /* Figure out which root window F is on. */ |
92280f67 | 2281 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &root, |
78589e07 RS |
2282 | &dummy_int, &dummy_int, &dummy_uint, &dummy_uint, |
2283 | &dummy_uint, &dummy_uint); | |
18686d47 | 2284 | |
78589e07 | 2285 | /* Make the menu on that window. */ |
92280f67 | 2286 | menu = XMenuCreate (FRAME_X_DISPLAY (f), root, "emacs"); |
78589e07 | 2287 | if (menu == NULL) |
dcfdbac7 | 2288 | { |
bf501fb9 | 2289 | *error_name = "Can't create menu"; |
78589e07 | 2290 | return Qnil; |
dcfdbac7 | 2291 | } |
78589e07 | 2292 | |
d130d129 RS |
2293 | /* Don't GC while we prepare and show the menu, |
2294 | because we give the oldxmenu library pointers to the | |
2295 | contents of strings. */ | |
2296 | inhibit_garbage_collection (); | |
2297 | ||
87485d6f | 2298 | #ifdef HAVE_X_WINDOWS |
78589e07 | 2299 | /* Adjust coordinates to relative to the outer (window manager) window. */ |
453a4f1b JD |
2300 | x += FRAME_OUTER_TO_INNER_DIFF_X (f); |
2301 | y += FRAME_OUTER_TO_INNER_DIFF_Y (f); | |
87485d6f | 2302 | #endif /* HAVE_X_WINDOWS */ |
78589e07 RS |
2303 | |
2304 | /* Adjust coordinates to be root-window-relative. */ | |
9882535b KS |
2305 | x += f->left_pos; |
2306 | y += f->top_pos; | |
177c0ea7 | 2307 | |
78589e07 | 2308 | /* Create all the necessary panes and their items. */ |
eef9bc79 PE |
2309 | maxwidth = maxlines = lines = i = 0; |
2310 | lpane = XM_FAILURE; | |
78589e07 | 2311 | while (i < menu_items_used) |
dcfdbac7 | 2312 | { |
78589e07 | 2313 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
dcfdbac7 | 2314 | { |
78589e07 RS |
2315 | /* Create a new pane. */ |
2316 | Lisp_Object pane_name, prefix; | |
6d1f7fee | 2317 | const char *pane_string; |
78589e07 | 2318 | |
453a4f1b JD |
2319 | maxlines = max (maxlines, lines); |
2320 | lines = 0; | |
78589e07 RS |
2321 | pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME]; |
2322 | prefix = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2323 | pane_string = (NILP (pane_name) | |
51b59d79 | 2324 | ? "" : SSDATA (pane_name)); |
78589e07 RS |
2325 | if (keymaps && !NILP (prefix)) |
2326 | pane_string++; | |
2327 | ||
92280f67 | 2328 | lpane = XMenuAddPane (FRAME_X_DISPLAY (f), menu, pane_string, TRUE); |
78589e07 RS |
2329 | if (lpane == XM_FAILURE) |
2330 | { | |
92280f67 | 2331 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2332 | *error_name = "Can't create pane"; |
78589e07 RS |
2333 | return Qnil; |
2334 | } | |
2335 | i += MENU_ITEMS_PANE_LENGTH; | |
4e8d3549 RS |
2336 | |
2337 | /* Find the width of the widest item in this pane. */ | |
4e8d3549 RS |
2338 | j = i; |
2339 | while (j < menu_items_used) | |
2340 | { | |
2341 | Lisp_Object item; | |
2342 | item = XVECTOR (menu_items)->contents[j]; | |
2343 | if (EQ (item, Qt)) | |
2344 | break; | |
2345 | if (NILP (item)) | |
2346 | { | |
2347 | j++; | |
2348 | continue; | |
2349 | } | |
d5db4077 | 2350 | width = SBYTES (item); |
4e8d3549 RS |
2351 | if (width > maxwidth) |
2352 | maxwidth = width; | |
2353 | ||
2354 | j += MENU_ITEMS_ITEM_LENGTH; | |
2355 | } | |
dcfdbac7 | 2356 | } |
fcaa7665 RS |
2357 | /* Ignore a nil in the item list. |
2358 | It's meaningful only for dialog boxes. */ | |
2359 | else if (EQ (XVECTOR (menu_items)->contents[i], Qquote)) | |
2360 | i += 1; | |
78589e07 | 2361 | else |
dcfdbac7 | 2362 | { |
78589e07 | 2363 | /* Create a new item within current pane. */ |
3e703b25 | 2364 | Lisp_Object item_name, enable, descrip, help; |
eb18f6cc PE |
2365 | char *item_data; |
2366 | char const *help_string; | |
78589e07 RS |
2367 | |
2368 | item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME]; | |
2369 | enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE]; | |
2370 | descrip | |
2371 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY]; | |
3e703b25 | 2372 | help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP]; |
eb18f6cc | 2373 | help_string = STRINGP (help) ? SSDATA (help) : NULL; |
177c0ea7 | 2374 | |
78589e07 | 2375 | if (!NILP (descrip)) |
4e8d3549 | 2376 | { |
4e8d3549 RS |
2377 | /* if alloca is fast, use that to make the space, |
2378 | to reduce gc needs. */ | |
eb18f6cc PE |
2379 | item_data = (char *) alloca (maxwidth + SBYTES (descrip) + 1); |
2380 | memcpy (item_data, SSDATA (item_name), SBYTES (item_name)); | |
d5db4077 | 2381 | for (j = SCHARS (item_name); j < maxwidth; j++) |
4e8d3549 | 2382 | item_data[j] = ' '; |
eb18f6cc | 2383 | memcpy (item_data + j, SSDATA (descrip), SBYTES (descrip)); |
d5db4077 | 2384 | item_data[j + SBYTES (descrip)] = 0; |
4e8d3549 RS |
2385 | } |
2386 | else | |
eb18f6cc | 2387 | item_data = SSDATA (item_name); |
78589e07 | 2388 | |
eef9bc79 PE |
2389 | if (lpane == XM_FAILURE |
2390 | || (XMenuAddSelection (FRAME_X_DISPLAY (f), | |
2391 | menu, lpane, 0, item_data, | |
2392 | !NILP (enable), help_string) | |
2393 | == XM_FAILURE)) | |
dcfdbac7 | 2394 | { |
92280f67 | 2395 | XMenuDestroy (FRAME_X_DISPLAY (f), menu); |
bf501fb9 | 2396 | *error_name = "Can't add selection to menu"; |
78589e07 | 2397 | return Qnil; |
dcfdbac7 | 2398 | } |
78589e07 | 2399 | i += MENU_ITEMS_ITEM_LENGTH; |
453a4f1b | 2400 | lines++; |
dcfdbac7 JB |
2401 | } |
2402 | } | |
4e8d3549 | 2403 | |
453a4f1b JD |
2404 | maxlines = max (maxlines, lines); |
2405 | ||
78589e07 | 2406 | /* All set and ready to fly. */ |
92280f67 | 2407 | XMenuRecompute (FRAME_X_DISPLAY (f), menu); |
63685b9d GM |
2408 | dispwidth = DisplayWidth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); |
2409 | dispheight = DisplayHeight (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)); | |
78589e07 RS |
2410 | x = min (x, dispwidth); |
2411 | y = min (y, dispheight); | |
2412 | x = max (x, 1); | |
2413 | y = max (y, 1); | |
92280f67 | 2414 | XMenuLocate (FRAME_X_DISPLAY (f), menu, 0, 0, x, y, |
dcfdbac7 JB |
2415 | &ulx, &uly, &width, &height); |
2416 | if (ulx+width > dispwidth) | |
2417 | { | |
78589e07 | 2418 | x -= (ulx + width) - dispwidth; |
dcfdbac7 JB |
2419 | ulx = dispwidth - width; |
2420 | } | |
2421 | if (uly+height > dispheight) | |
2422 | { | |
78589e07 | 2423 | y -= (uly + height) - dispheight; |
dcfdbac7 JB |
2424 | uly = dispheight - height; |
2425 | } | |
2de7397f EZ |
2426 | #ifndef HAVE_X_WINDOWS |
2427 | if (FRAME_HAS_MINIBUF_P (f) && uly+height > dispheight - 1) | |
2428 | { | |
2429 | /* Move the menu away of the echo area, to avoid overwriting the | |
2430 | menu with help echo messages or vice versa. */ | |
2431 | if (BUFFERP (echo_area_buffer[0]) && WINDOWP (echo_area_window)) | |
2432 | { | |
2433 | y -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2434 | uly -= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window)); | |
2435 | } | |
2436 | else | |
2437 | { | |
2438 | y--; | |
2439 | uly--; | |
2440 | } | |
2441 | } | |
2442 | #endif | |
78589e07 RS |
2443 | if (ulx < 0) x -= ulx; |
2444 | if (uly < 0) y -= uly; | |
121e4555 | 2445 | |
453a4f1b JD |
2446 | if (! for_click) |
2447 | { | |
2448 | /* If position was not given by a mouse click, adjust so upper left | |
2449 | corner of the menu as a whole ends up at given coordinates. This | |
2450 | is what x-popup-menu says in its documentation. */ | |
2451 | x += width/2; | |
2452 | y += 1.5*height/(maxlines+2); | |
2453 | } | |
2454 | ||
121e4555 | 2455 | XMenuSetAEQ (menu, TRUE); |
78589e07 RS |
2456 | XMenuSetFreeze (menu, TRUE); |
2457 | pane = selidx = 0; | |
3e703b25 | 2458 | |
c3438661 JD |
2459 | #ifndef MSDOS |
2460 | XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f)); | |
2461 | #endif | |
59cfb104 | 2462 | |
a130b901 JD |
2463 | record_unwind_protect (pop_down_menu, |
2464 | Fcons (make_save_value (f, 0), | |
2465 | make_save_value (menu, 0))); | |
c3438661 | 2466 | |
3e703b25 GM |
2467 | /* Help display under X won't work because XMenuActivate contains |
2468 | a loop that doesn't give Emacs a chance to process it. */ | |
2469 | menu_help_frame = f; | |
92280f67 | 2470 | status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx, |
af89e871 JD |
2471 | x, y, ButtonReleaseMask, &datap, |
2472 | menu_help_callback); | |
eef9bc79 | 2473 | entry = pane_prefix = Qnil; |
a352a815 | 2474 | |
dcfdbac7 JB |
2475 | switch (status) |
2476 | { | |
2477 | case XM_SUCCESS: | |
2478 | #ifdef XDEBUG | |
2479 | fprintf (stderr, "pane= %d line = %d\n", panes, selidx); | |
2480 | #endif | |
fa6d54d9 | 2481 | |
78589e07 RS |
2482 | /* Find the item number SELIDX in pane number PANE. */ |
2483 | i = 0; | |
2484 | while (i < menu_items_used) | |
fa6d54d9 | 2485 | { |
78589e07 | 2486 | if (EQ (XVECTOR (menu_items)->contents[i], Qt)) |
088831f6 | 2487 | { |
78589e07 RS |
2488 | if (pane == 0) |
2489 | pane_prefix | |
2490 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX]; | |
2491 | pane--; | |
2492 | i += MENU_ITEMS_PANE_LENGTH; | |
088831f6 | 2493 | } |
78589e07 | 2494 | else |
ab6ee1a0 | 2495 | { |
78589e07 | 2496 | if (pane == -1) |
ab6ee1a0 | 2497 | { |
78589e07 | 2498 | if (selidx == 0) |
ab6ee1a0 | 2499 | { |
78589e07 RS |
2500 | entry |
2501 | = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE]; | |
2502 | if (keymaps != 0) | |
ab6ee1a0 | 2503 | { |
78589e07 RS |
2504 | entry = Fcons (entry, Qnil); |
2505 | if (!NILP (pane_prefix)) | |
2506 | entry = Fcons (pane_prefix, entry); | |
ab6ee1a0 | 2507 | } |
78589e07 | 2508 | break; |
ab6ee1a0 | 2509 | } |
78589e07 | 2510 | selidx--; |
ab6ee1a0 | 2511 | } |
78589e07 | 2512 | i += MENU_ITEMS_ITEM_LENGTH; |
ab6ee1a0 RS |
2513 | } |
2514 | } | |
78589e07 | 2515 | break; |
dcfdbac7 | 2516 | |
78589e07 | 2517 | case XM_FAILURE: |
bf501fb9 | 2518 | *error_name = "Can't activate menu"; |
78589e07 | 2519 | case XM_IA_SELECT: |
9f6fcdc5 | 2520 | break; |
78589e07 | 2521 | case XM_NO_SELECT: |
be6ed24a RS |
2522 | /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means |
2523 | the menu was invoked with a mouse event as POSITION). */ | |
9f6fcdc5 JD |
2524 | if (! for_click) |
2525 | Fsignal (Qquit, Qnil); | |
78589e07 | 2526 | break; |
dcfdbac7 | 2527 | } |
a5285df3 | 2528 | |
af89e871 | 2529 | unbind_to (specpdl_count, Qnil); |
a5285df3 | 2530 | |
78589e07 | 2531 | return entry; |
dcfdbac7 | 2532 | } |
4dedbfe0 | 2533 | |
78589e07 | 2534 | #endif /* not USE_X_TOOLKIT */ |
1e659e4c RS |
2535 | |
2536 | #endif /* HAVE_MENUS */ | |
e3135734 | 2537 | |
d009ae66 EZ |
2538 | #ifndef MSDOS |
2539 | /* Detect if a dialog or menu has been posted. MSDOS has its own | |
2540 | implementation on msdos.c. */ | |
b79b8a1c CY |
2541 | |
2542 | int | |
971de7fb | 2543 | popup_activated (void) |
b79b8a1c CY |
2544 | { |
2545 | return popup_activated_flag; | |
2546 | } | |
d009ae66 | 2547 | #endif /* not MSDOS */ |
e3135734 CY |
2548 | |
2549 | /* The following is used by delayed window autoselection. */ | |
2550 | ||
2551 | DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0, | |
2552 | doc: /* Return t if a menu or popup dialog is active. */) | |
5842a27b | 2553 | (void) |
e3135734 CY |
2554 | { |
2555 | #ifdef HAVE_MENUS | |
2556 | return (popup_activated ()) ? Qt : Qnil; | |
2557 | #else | |
2558 | return Qnil; | |
2559 | #endif /* HAVE_MENUS */ | |
2560 | } | |
088831f6 | 2561 | \f |
dfcf069d | 2562 | void |
971de7fb | 2563 | syms_of_xmenu (void) |
dcfdbac7 | 2564 | { |
cd3520a4 | 2565 | DEFSYM (Qdebug_on_next_call, "debug-on-next-call"); |
0314aacb | 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 | } |