462
+ − 1 /* Implements an elisp-programmable menubar -- X interface.
+ − 2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+ − 3 Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
1346
+ − 4 Copyright (C) 2002, 2003 Ben Wing.
462
+ − 5
+ − 6 This file is part of XEmacs.
+ − 7
+ − 8 XEmacs is free software; you can redistribute it and/or modify it
+ − 9 under the terms of the GNU General Public License as published by the
+ − 10 Free Software Foundation; either version 2, or (at your option) any
+ − 11 later version.
+ − 12
+ − 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ − 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ − 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ − 16 for more details.
+ − 17
+ − 18 You should have received a copy of the GNU General Public License
+ − 19 along with XEmacs; see the file COPYING. If not, write to
+ − 20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ − 21 Boston, MA 02111-1307, USA. */
+ − 22
+ − 23 /* Synched up with: Not in FSF. */
+ − 24
+ − 25 /* created 16-dec-91 by jwz */
+ − 26
+ − 27 #include <config.h>
+ − 28 #include "lisp.h"
+ − 29
+ − 30 #include "buffer.h"
+ − 31 #include "commands.h" /* zmacs_regions */
1346
+ − 32 #include "device-impl.h"
462
+ − 33 #include "events.h"
872
+ − 34 #include "frame-impl.h"
+ − 35 #include "gui.h"
462
+ − 36 #include "opaque.h"
+ − 37 #include "window.h"
876
+ − 38 #include "window-impl.h"
462
+ − 39
872
+ − 40 #include "console-gtk-impl.h"
+ − 41 #include "ui-gtk.h"
876
+ − 42 #include "menubar.h"
872
+ − 43
462
+ − 44 #ifdef HAVE_GNOME
+ − 45 #include <libgnomeui/libgnomeui.h>
+ − 46 #endif
+ − 47
+ − 48 #define MENUBAR_TYPE 0
+ − 49 #define SUBMENU_TYPE 1
+ − 50 #define POPUP_TYPE 2
+ − 51
+ − 52 static GtkWidget *menu_descriptor_to_widget_1 (Lisp_Object descr);
+ − 53
1346
+ − 54 #define FRAME_GTK_MENUBAR_DATA(f) (FRAME_GTK_DATA (f)->menubar_data)
+ − 55 #define XFRAME_GTK_MENUBAR_DATA_LASTBUFF(f) XCAR (FRAME_GTK_MENUBAR_DATA (f))
+ − 56 #define XFRAME_GTK_MENUBAR_DATA_UPTODATE(f) XCDR (FRAME_GTK_MENUBAR_DATA (f))
462
+ − 57
+ − 58
+ − 59 /* This is a bogus subclass of GtkMenuBar so that the menu never tries
+ − 60 ** to be bigger than the text widget. This prevents weird resizing
+ − 61 ** when jumping around between buffers with radically different menu
+ − 62 ** sizes.
+ − 63 */
+ − 64
+ − 65 #define GTK_XEMACS_MENUBAR(obj) GTK_CHECK_CAST (obj, gtk_xemacs_menubar_get_type (), GtkXEmacsMenubar)
+ − 66 #define GTK_XEMACS_MENUBAR_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_xemacs_menubar_get_type (), GtkXEmacsMenubarClass)
+ − 67 #define GTK_IS_XEMACS_MENUBAR(obj) GTK_CHECK_TYPE (obj, gtk_xemacs_menubar_get_type ())
+ − 68 #define GTK_XEMACS_MENUBAR_FRAME(obj) GTK_XEMACS_MENUBAR (obj)->f
+ − 69
+ − 70 typedef struct _GtkXEmacsMenubar GtkXEmacsMenubar;
+ − 71 typedef struct _GtkXEmacsMenubarClass GtkXEmacsMenubarClass;
+ − 72
+ − 73 struct _GtkXEmacsMenubar
+ − 74 {
+ − 75 GtkMenuBar menu;
+ − 76 struct frame *frame;
+ − 77 };
+ − 78
+ − 79 struct _GtkXEmacsMenubarClass
+ − 80 {
+ − 81 GtkMenuBarClass parent_class;
+ − 82 };
+ − 83
+ − 84 guint gtk_xemacs_menubar_get_type (void);
+ − 85 GtkWidget *gtk_xemacs_menubar_new (struct frame *f);
+ − 86
+ − 87 static void gtk_xemacs_menubar_class_init (GtkXEmacsMenubarClass *klass);
+ − 88 static void gtk_xemacs_menubar_init (GtkXEmacsMenubar *xemacs);
+ − 89 static void gtk_xemacs_menubar_size_request (GtkWidget *widget, GtkRequisition *requisition);
+ − 90
+ − 91 guint
+ − 92 gtk_xemacs_menubar_get_type (void)
+ − 93 {
+ − 94 static guint xemacs_menubar_type;
+ − 95
+ − 96 if (!xemacs_menubar_type)
+ − 97 {
+ − 98 static const GtkTypeInfo xemacs_menubar_info =
+ − 99 {
+ − 100 "GtkXEmacsMenubar",
+ − 101 sizeof (GtkXEmacsMenubar),
+ − 102 sizeof (GtkXEmacsMenubarClass),
+ − 103 (GtkClassInitFunc) gtk_xemacs_menubar_class_init,
+ − 104 (GtkObjectInitFunc) gtk_xemacs_menubar_init,
+ − 105 /* reserved_1 */ NULL,
+ − 106 /* reserved_2 */ NULL,
+ − 107 (GtkClassInitFunc) NULL,
+ − 108 };
+ − 109
+ − 110 xemacs_menubar_type = gtk_type_unique (gtk_menu_bar_get_type (), &xemacs_menubar_info);
+ − 111 }
+ − 112
+ − 113 return xemacs_menubar_type;
+ − 114 }
+ − 115
+ − 116 static GtkWidgetClass *parent_class;
+ − 117
1416
+ − 118 static void
+ − 119 gtk_xemacs_menubar_class_init (GtkXEmacsMenubarClass *klass)
462
+ − 120 {
+ − 121 GtkWidgetClass *widget_class;
+ − 122
+ − 123 widget_class = (GtkWidgetClass*) klass;
+ − 124 parent_class = (GtkWidgetClass *) gtk_type_class (gtk_menu_bar_get_type ());
+ − 125
+ − 126 widget_class->size_request = gtk_xemacs_menubar_size_request;
+ − 127 }
+ − 128
1416
+ − 129 static void
+ − 130 gtk_xemacs_menubar_init (GtkXEmacsMenubar *xemacs)
462
+ − 131 {
+ − 132 }
+ − 133
1416
+ − 134 static void
+ − 135 gtk_xemacs_menubar_size_request (GtkWidget *widget, GtkRequisition *requisition)
462
+ − 136 {
+ − 137 GtkXEmacsMenubar *x = GTK_XEMACS_MENUBAR (widget);
+ − 138 GtkRequisition frame_size;
+ − 139
+ − 140 parent_class->size_request (widget, requisition);
+ − 141
+ − 142 /* #### BILL!
+ − 143 ** We should really only do this if the menu has not been detached!
+ − 144 **
+ − 145 ** WMP 9/9/2000
+ − 146 */
+ − 147
+ − 148 gtk_widget_size_request (FRAME_GTK_TEXT_WIDGET (x->frame), &frame_size);
+ − 149
+ − 150 requisition->width = frame_size.width;
+ − 151 }
+ − 152
+ − 153 GtkWidget *
+ − 154 gtk_xemacs_menubar_new (struct frame *f)
+ − 155 {
+ − 156 GtkXEmacsMenubar *menubar = gtk_type_new (gtk_xemacs_menubar_get_type ());
+ − 157
+ − 158 menubar->frame = f;
+ − 159
+ − 160 return (GTK_WIDGET (menubar));
+ − 161 }
+ − 162
+ − 163 /* We now return you to your regularly scheduled menus... */
+ − 164
+ − 165 int dockable_menubar;
+ − 166
+ − 167 /* #define TEAR_OFF_MENUS */
+ − 168
+ − 169 #ifdef TEAR_OFF_MENUS
+ − 170 int tear_off_menus;
+ − 171 #endif
+ − 172
+ − 173
+ − 174 /* Converting from XEmacs to GTK representation */
+ − 175 static Lisp_Object
+ − 176 menu_name_to_accelerator (char *name)
+ − 177 {
+ − 178 while (*name) {
+ − 179 if (*name=='%') {
+ − 180 ++name;
+ − 181 if (!(*name))
+ − 182 return Qnil;
+ − 183 if (*name=='_' && *(name+1))
+ − 184 {
+ − 185 int accelerator = (int) (unsigned char) (*(name+1));
+ − 186 return make_char (tolower (accelerator));
+ − 187 }
+ − 188 }
+ − 189 ++name;
+ − 190 }
+ − 191 return Qnil;
+ − 192 }
+ − 193
+ − 194 #define XEMACS_MENU_DESCR_TAG "xemacs::menu::description"
+ − 195 #define XEMACS_MENU_FILTER_TAG "xemacs::menu::filter"
+ − 196 #define XEMACS_MENU_GUIID_TAG "xemacs::menu::gui_id"
+ − 197 #define XEMACS_MENU_FIRSTTIME_TAG "xemacs::menu::first_time"
+ − 198
+ − 199 static void __activate_menu(GtkMenuItem *, gpointer);
+ − 200
+ − 201 #ifdef TEAR_OFF_MENUS
+ − 202 static void
+ − 203 __torn_off_sir(GtkMenuItem *item, gpointer user_data)
+ − 204 {
+ − 205 GtkWidget *menu_item = GTK_WIDGET (user_data);
+ − 206
+ − 207 if (GTK_TEAROFF_MENU_ITEM (item)->torn_off)
+ − 208 {
+ − 209 /* Menu was just torn off */
+ − 210 GUI_ID id = new_gui_id ();
+ − 211 Lisp_Object menu_desc = Qnil;
+ − 212 GtkWidget *old_submenu = GTK_MENU_ITEM (menu_item)->submenu;
+ − 213
826
+ − 214 menu_desc = VOID_TO_LISP (gtk_object_get_data (GTK_OBJECT (menu_item), XEMACS_MENU_DESCR_TAG));
462
+ − 215
+ − 216 /* GCPRO all of our very own */
+ − 217 gcpro_popup_callbacks (id, menu_desc);
+ − 218
+ − 219 /* Hide the now detached menu from the attentions of
+ − 220 __activate_menu destroying the old submenu */
+ − 221 #if 0
+ − 222 gtk_widget_ref (old_submenu);
+ − 223 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), gtk_menu_new ());
+ − 224 gtk_widget_show_all (old_submenu);
+ − 225 #endif
+ − 226 }
+ − 227 }
+ − 228 #endif
+ − 229
+ − 230 /* This is called when a menu is about to be shown... this is what
+ − 231 does the delayed creation of the menu items. We populate the
+ − 232 submenu and away we go. */
+ − 233 static void
+ − 234 __maybe_destroy (GtkWidget *child, GtkWidget *precious)
+ − 235 {
+ − 236 if (GTK_IS_MENU_ITEM (child) && !GTK_IS_TEAROFF_MENU_ITEM (child))
+ − 237 {
+ − 238 if (GTK_WIDGET_VISIBLE (child))
+ − 239 {
+ − 240 /* If we delete the menu item that was 'active' when the
+ − 241 menu was cancelled, GTK gets upset because it tries to
+ − 242 remove the focus rectangle from a (now) dead widget.
+ − 243
+ − 244 This widget will eventually get killed because it will
+ − 245 not be visible the next time the window is shown.
+ − 246 */
+ − 247 gtk_widget_set_sensitive (child, FALSE);
+ − 248 gtk_widget_hide_all (child);
+ − 249 }
+ − 250 else
+ − 251 {
+ − 252 gtk_widget_destroy (child);
+ − 253 }
+ − 254 }
+ − 255 }
+ − 256
+ − 257 /* If user_data != 0x00 then we are using a hook to build the menu. */
+ − 258 static void
+ − 259 __activate_menu(GtkMenuItem *item, gpointer user_data)
+ − 260 {
+ − 261 Lisp_Object desc;
+ − 262 gpointer force_clear = gtk_object_get_data (GTK_OBJECT (item), XEMACS_MENU_FIRSTTIME_TAG);
+ − 263
+ − 264 gtk_object_set_data (GTK_OBJECT (item), XEMACS_MENU_FIRSTTIME_TAG, 0x00);
+ − 265
+ − 266 /* Delete the old contents of the menu if we are the top level menubar */
+ − 267 if (GTK_IS_MENU_BAR (GTK_WIDGET (item)->parent) || force_clear)
+ − 268 {
+ − 269 GtkWidget *selected = gtk_menu_get_active (GTK_MENU (item->submenu));
+ − 270
+ − 271 gtk_container_foreach (GTK_CONTAINER (item->submenu),(GtkCallback) __maybe_destroy,
+ − 272 selected);
+ − 273 }
+ − 274 else if (gtk_container_children (GTK_CONTAINER (item->submenu)))
+ − 275 {
+ − 276 return;
+ − 277 }
+ − 278
826
+ − 279 desc = VOID_TO_LISP (gtk_object_get_data (GTK_OBJECT (item), XEMACS_MENU_DESCR_TAG));
462
+ − 280
+ − 281 #ifdef TEAR_OFF_MENUS
+ − 282 /* Lets stick in a detacher just for giggles */
+ − 283 if (tear_off_menus && !gtk_container_children (GTK_CONTAINER (item->submenu)))
+ − 284 {
+ − 285 GtkWidget *w = gtk_tearoff_menu_item_new ();
+ − 286 gtk_widget_show (w);
+ − 287 gtk_menu_append (GTK_MENU (item->submenu), w);
+ − 288 gtk_signal_connect (GTK_OBJECT (w), "activate", GTK_SIGNAL_FUNC (__torn_off_sir), item);
+ − 289 }
+ − 290 #endif
+ − 291
+ − 292 if (user_data)
+ − 293 {
+ − 294 GUI_ID id = (GUI_ID) gtk_object_get_data (GTK_OBJECT (item), XEMACS_MENU_GUIID_TAG);
+ − 295 Lisp_Object hook_fn;
+ − 296 struct gcpro gcpro1, gcpro2;
+ − 297
826
+ − 298 hook_fn = VOID_TO_LISP (gtk_object_get_data (GTK_OBJECT (item), XEMACS_MENU_FILTER_TAG));
462
+ − 299
+ − 300 GCPRO2 (desc, hook_fn);
+ − 301
+ − 302 desc = call1 (hook_fn, desc);
+ − 303
+ − 304 UNGCPRO;
+ − 305
+ − 306 ungcpro_popup_callbacks (id);
+ − 307 gcpro_popup_callbacks (id, desc);
+ − 308 }
+ − 309
+ − 310 /* Build the child widgets */
+ − 311 for (; !NILP (desc); desc = Fcdr (desc))
+ − 312 {
+ − 313 GtkWidget *next = NULL;
+ − 314 Lisp_Object child = Fcar (desc);
+ − 315
+ − 316 if (NILP (child)) /* the partition */
+ − 317 {
+ − 318 /* Signal an error here? The NILP handling is handled a
+ − 319 layer higher where appropriate */
+ − 320 }
+ − 321 else
+ − 322 {
+ − 323 next = menu_descriptor_to_widget_1 (child);
+ − 324 }
+ − 325
+ − 326 if (!next)
+ − 327 {
+ − 328 continue;
+ − 329 }
+ − 330
+ − 331 gtk_widget_show_all (next);
+ − 332 gtk_menu_append (GTK_MENU (item->submenu), next);
+ − 333 }
+ − 334 }
+ − 335
+ − 336 /* This is called whenever an item with a GUI_ID associated with it is
+ − 337 destroyed. This allows us to remove the references in gui-gtk.c
+ − 338 that made sure callbacks and such were GCPRO-ed
+ − 339 */
+ − 340 static void
+ − 341 __remove_gcpro_by_id (gpointer user_data)
+ − 342 {
+ − 343 ungcpro_popup_callbacks ((GUI_ID) user_data);
+ − 344 }
+ − 345
+ − 346 static void
+ − 347 __kill_stupid_gtk_timer (GtkObject *obj, gpointer user_data)
+ − 348 {
+ − 349 GtkMenuItem *mi = GTK_MENU_ITEM (obj);
+ − 350
+ − 351 if (mi->timer)
+ − 352 {
+ − 353 gtk_timeout_remove (mi->timer);
+ − 354 mi->timer = 0;
+ − 355 }
+ − 356 }
+ − 357
+ − 358 static char *
+ − 359 remove_underscores(const char *name)
+ − 360 {
+ − 361 char *rval = xmalloc_and_zero (strlen(name) + 1);
+ − 362 int i,j;
+ − 363
+ − 364 for (i = 0, j = 0; name[i]; i++)
+ − 365 {
+ − 366 if (name[i]=='%') {
+ − 367 i++;
+ − 368 if (!(name[i]))
+ − 369 continue;
+ − 370
+ − 371 if ((name[i] == '_'))
+ − 372 continue;
+ − 373 }
+ − 374 rval[j++] = name[i];
+ − 375 }
+ − 376 return rval;
+ − 377 }
+ − 378
+ − 379 /* This converts an entire menu into a GtkMenuItem (with an attached
+ − 380 submenu). A menu is a list of (STRING [:keyword value]+ [DESCR]+)
+ − 381 DESCR is either a list (meaning a submenu), a vector, or nil (if
+ − 382 you include a :filter keyword) */
+ − 383 static GtkWidget *
+ − 384 menu_convert (Lisp_Object desc, GtkWidget *reuse)
+ − 385 {
+ − 386 GtkWidget *menu_item = NULL;
+ − 387 GtkWidget *submenu = NULL;
+ − 388 Lisp_Object key, val;
+ − 389 Lisp_Object include_p = Qnil, hook_fn = Qnil, config_tag = Qnil;
+ − 390 Lisp_Object active_p = Qt;
+ − 391 Lisp_Object accel;
+ − 392 int included_spec = 0;
+ − 393 int active_spec = 0;
+ − 394
+ − 395 if (STRINGP (XCAR (desc)))
+ − 396 {
+ − 397 accel = menu_name_to_accelerator (XSTRING_DATA (XCAR (desc)));
+ − 398
+ − 399 if (!reuse)
+ − 400 {
+ − 401 char *temp_menu_name = remove_underscores (XSTRING_DATA (XCAR (desc)));
+ − 402 menu_item = gtk_menu_item_new_with_label (temp_menu_name);
+ − 403 free (temp_menu_name);
+ − 404 }
+ − 405 else
+ − 406 {
+ − 407 menu_item = reuse;
+ − 408 }
+ − 409
+ − 410 submenu = gtk_menu_new ();
+ − 411 gtk_widget_show (menu_item);
+ − 412 gtk_widget_show (submenu);
+ − 413
+ − 414 if (!reuse)
+ − 415 gtk_signal_connect (GTK_OBJECT (menu_item), "destroy",
+ − 416 GTK_SIGNAL_FUNC (__kill_stupid_gtk_timer), NULL);
+ − 417
+ − 418 /* Without this sometimes a submenu gets left on the screen -
+ − 419 ** urk
+ − 420 */
+ − 421 if (GTK_MENU_ITEM (menu_item)->submenu)
+ − 422 {
+ − 423 gtk_widget_destroy (GTK_MENU_ITEM (menu_item)->submenu);
+ − 424 }
+ − 425
+ − 426 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), submenu);
+ − 427
+ − 428 /* We put this bogus menu item in so that GTK does the right
+ − 429 ** thing when the menu is near the screen border.
+ − 430 **
+ − 431 ** Aug 29, 2000
+ − 432 */
+ − 433 {
+ − 434 GtkWidget *bogus_item = gtk_menu_item_new_with_label ("A suitably long label here...");
+ − 435
+ − 436 gtk_object_set_data (GTK_OBJECT (menu_item), XEMACS_MENU_FIRSTTIME_TAG, (gpointer)0x01);
+ − 437 gtk_widget_show_all (bogus_item);
+ − 438 gtk_menu_append (GTK_MENU (submenu), bogus_item);
+ − 439 }
+ − 440
+ − 441 desc = Fcdr (desc);
+ − 442
+ − 443 while (key = Fcar (desc), KEYWORDP (key))
+ − 444 {
+ − 445 Lisp_Object cascade = desc;
+ − 446 desc = Fcdr (desc);
+ − 447 if (NILP (desc))
563
+ − 448 sferror ("keyword in menu lacks a value",
462
+ − 449 cascade);
+ − 450 val = Fcar (desc);
+ − 451 desc = Fcdr (desc);
+ − 452 if (EQ (key, Q_included))
+ − 453 include_p = val, included_spec = 1;
+ − 454 else if (EQ (key, Q_config))
+ − 455 config_tag = val;
+ − 456 else if (EQ (key, Q_filter))
+ − 457 hook_fn = val;
+ − 458 else if (EQ (key, Q_active))
+ − 459 active_p = val, active_spec = 1;
+ − 460 else if (EQ (key, Q_accelerator))
+ − 461 {
+ − 462 #if 0
+ − 463 if ( SYMBOLP (val)
+ − 464 || CHARP (val))
+ − 465 wv->accel = LISP_TO_VOID (val);
+ − 466 else
563
+ − 467 invalid_argument ("bad keyboard accelerator", val);
462
+ − 468 #endif
+ − 469 }
+ − 470 else if (EQ (key, Q_label))
+ − 471 {
+ − 472 /* implement in 21.2 */
+ − 473 }
+ − 474 else
563
+ − 475 invalid_argument ("unknown menu cascade keyword", cascade);
462
+ − 476 }
+ − 477
+ − 478 gtk_object_set_data (GTK_OBJECT (menu_item), XEMACS_MENU_DESCR_TAG, LISP_TO_VOID (desc));
+ − 479 gtk_object_set_data (GTK_OBJECT (menu_item), XEMACS_MENU_FILTER_TAG, LISP_TO_VOID (hook_fn));
+ − 480
+ − 481 if ((!NILP (config_tag)
+ − 482 && NILP (Fmemq (config_tag, Vmenubar_configuration)))
+ − 483 || (included_spec && NILP (Feval (include_p))))
+ − 484 {
+ − 485 return (NULL);
+ − 486 }
+ − 487
+ − 488 if (active_spec)
+ − 489 active_p = Feval (active_p);
+ − 490
+ − 491 gtk_widget_set_sensitive (GTK_WIDGET (menu_item), ! NILP (active_p));
+ − 492 }
+ − 493 else
+ − 494 {
563
+ − 495 invalid_argument ("menu name (first element) must be a string",
462
+ − 496 desc);
+ − 497 }
+ − 498
+ − 499 /* If we are reusing a widget, we need to make sure we clean
+ − 500 ** everything up.
+ − 501 */
+ − 502 if (reuse)
+ − 503 {
+ − 504 gpointer id = gtk_object_get_data (GTK_OBJECT (reuse), XEMACS_MENU_GUIID_TAG);
+ − 505
+ − 506 if (id)
+ − 507 {
+ − 508 /* If the menu item had a GUI_ID that means it was a filter menu */
+ − 509 __remove_gcpro_by_id (id);
+ − 510 gtk_signal_disconnect_by_func (GTK_OBJECT (reuse),
+ − 511 GTK_SIGNAL_FUNC (__activate_menu),
+ − 512 (gpointer) 0x01 );
+ − 513 }
+ − 514 else
+ − 515 {
+ − 516 gtk_signal_disconnect_by_func (GTK_OBJECT (reuse),
+ − 517 GTK_SIGNAL_FUNC (__activate_menu),
+ − 518 NULL);
+ − 519 }
+ − 520
+ − 521 GTK_MENU_ITEM (reuse)->right_justify = 0;
+ − 522 }
+ − 523
+ − 524 if (NILP (hook_fn))
+ − 525 {
+ − 526 /* Generic menu builder */
+ − 527 gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
+ − 528 GTK_SIGNAL_FUNC (__activate_menu),
+ − 529 NULL);
+ − 530 }
+ − 531 else
+ − 532 {
+ − 533 GUI_ID id = new_gui_id ();
+ − 534
+ − 535 gtk_object_set_data (GTK_OBJECT (menu_item), XEMACS_MENU_GUIID_TAG,
+ − 536 (gpointer) id);
+ − 537
+ − 538 /* Make sure we gcpro the menu descriptions */
+ − 539 gcpro_popup_callbacks (id, desc);
+ − 540 gtk_object_weakref (GTK_OBJECT (menu_item), __remove_gcpro_by_id,
+ − 541 (gpointer) id);
+ − 542
+ − 543 gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
+ − 544 GTK_SIGNAL_FUNC (__activate_menu),
+ − 545 (gpointer) 0x01);
+ − 546 }
+ − 547
+ − 548 return (menu_item);
+ − 549 }
+ − 550
+ − 551 static struct frame *
+ − 552 __get_channel (GtkWidget *w)
+ − 553 {
+ − 554 struct frame *f = NULL;
+ − 555
+ − 556 for (; w; w = w->parent)
+ − 557 {
+ − 558 if ((f = (struct frame *) gtk_object_get_data (GTK_OBJECT (w), "xemacs::frame")))
+ − 559 return (f);
+ − 560 }
+ − 561
+ − 562 return (selected_frame());
+ − 563 }
+ − 564
+ − 565
+ − 566 /* Called whenever a button, radio, or toggle is selected in the menu */
+ − 567 static void
+ − 568 __generic_button_callback (GtkMenuItem *item, gpointer user_data)
+ − 569 {
+ − 570 Lisp_Object callback, function, data, channel;
+ − 571
793
+ − 572 channel = wrap_frame (__get_channel (GTK_WIDGET (item)));
462
+ − 573
826
+ − 574 callback = VOID_TO_LISP (user_data);
462
+ − 575
+ − 576 get_gui_callback (callback, &function, &data);
+ − 577
+ − 578 signal_special_gtk_user_event (channel, function, data);
+ − 579 }
+ − 580
+ − 581 /* Convert a single menu item descriptor to a suitable GtkMenuItem */
+ − 582 /* This function cannot GC.
+ − 583 It is only called from menu_item_descriptor_to_widget_value, which
+ − 584 prohibits GC. */
1416
+ − 585 static GtkWidget *
+ − 586 menu_descriptor_to_widget_1 (Lisp_Object descr)
462
+ − 587 {
+ − 588 if (STRINGP (descr))
+ − 589 {
+ − 590 /* It is a separator. Unfortunately GTK does not allow us to
+ − 591 specify what our separators look like, so we can't do all the
+ − 592 fancy stuff that the X code does.
+ − 593 */
+ − 594 return (gtk_menu_item_new ());
+ − 595 }
+ − 596 else if (LISTP (descr))
+ − 597 {
+ − 598 /* It is a submenu */
+ − 599 return (menu_convert (descr, NULL));
+ − 600 }
+ − 601 else if (VECTORP (descr))
+ − 602 {
+ − 603 /* An actual menu item description! This gets yucky. */
+ − 604 Lisp_Object name = Qnil;
+ − 605 Lisp_Object callback = Qnil;
+ − 606 Lisp_Object suffix = Qnil;
+ − 607 Lisp_Object active_p = Qt;
+ − 608 Lisp_Object include_p = Qt;
+ − 609 Lisp_Object selected_p = Qnil;
+ − 610 Lisp_Object keys = Qnil;
+ − 611 Lisp_Object style = Qnil;
+ − 612 Lisp_Object config_tag = Qnil;
+ − 613 Lisp_Object accel = Qnil;
+ − 614 GtkWidget *main_label = NULL;
+ − 615 int length = XVECTOR_LENGTH (descr);
+ − 616 Lisp_Object *contents = XVECTOR_DATA (descr);
+ − 617 int plist_p;
+ − 618 int selected_spec = 0, included_spec = 0;
+ − 619 GtkWidget *widget = NULL;
+ − 620
+ − 621 if (length < 2)
563
+ − 622 sferror ("button descriptors must be at least 2 long", descr);
462
+ − 623
+ − 624 /* length 2: [ "name" callback ]
+ − 625 length 3: [ "name" callback active-p ]
+ − 626 length 4: [ "name" callback active-p suffix ]
+ − 627 or [ "name" callback keyword value ]
+ − 628 length 5+: [ "name" callback [ keyword value ]+ ]
+ − 629 */
+ − 630 plist_p = (length >= 5 || (length > 2 && KEYWORDP (contents [2])));
+ − 631
+ − 632 if (!plist_p && length > 2)
+ − 633 /* the old way */
+ − 634 {
+ − 635 name = contents [0];
+ − 636 callback = contents [1];
+ − 637 active_p = contents [2];
+ − 638 if (length == 4)
+ − 639 suffix = contents [3];
+ − 640 }
+ − 641 else
+ − 642 {
+ − 643 /* the new way */
+ − 644 int i;
+ − 645 if (length & 1)
563
+ − 646 sferror (
462
+ − 647 "button descriptor has an odd number of keywords and values",
+ − 648 descr);
+ − 649
+ − 650 name = contents [0];
+ − 651 callback = contents [1];
+ − 652 for (i = 2; i < length;)
+ − 653 {
+ − 654 Lisp_Object key = contents [i++];
+ − 655 Lisp_Object val = contents [i++];
+ − 656 if (!KEYWORDP (key))
563
+ − 657 invalid_argument_2 ("not a keyword", key, descr);
462
+ − 658
+ − 659 if (EQ (key, Q_active)) active_p = val;
+ − 660 else if (EQ (key, Q_suffix)) suffix = val;
+ − 661 else if (EQ (key, Q_keys)) keys = val;
+ − 662 else if (EQ (key, Q_key_sequence)) ; /* ignored for FSF compat */
+ − 663 else if (EQ (key, Q_label)) ; /* implement for 21.0 */
+ − 664 else if (EQ (key, Q_style)) style = val;
+ − 665 else if (EQ (key, Q_selected)) selected_p = val, selected_spec = 1;
+ − 666 else if (EQ (key, Q_included)) include_p = val, included_spec = 1;
+ − 667 else if (EQ (key, Q_config)) config_tag = val;
+ − 668 else if (EQ (key, Q_accelerator))
+ − 669 {
+ − 670 if ( SYMBOLP (val) || CHARP (val))
+ − 671 accel = val;
+ − 672 else
563
+ − 673 invalid_argument ("bad keyboard accelerator", val);
462
+ − 674 }
+ − 675 else if (EQ (key, Q_filter))
563
+ − 676 sferror(":filter keyword not permitted on leaf nodes", descr);
462
+ − 677 else
563
+ − 678 invalid_argument_2 ("unknown menu item keyword", key, descr);
462
+ − 679 }
+ − 680 }
+ − 681
+ − 682 #ifdef HAVE_MENUBARS
+ − 683 if ((!NILP (config_tag) && NILP (Fmemq (config_tag, Vmenubar_configuration)))
+ − 684 || (included_spec && NILP (Feval (include_p))))
+ − 685 {
+ − 686 /* the include specification says to ignore this item. */
+ − 687 return 0;
+ − 688 }
+ − 689 #endif /* HAVE_MENUBARS */
+ − 690
+ − 691 CHECK_STRING (name);
+ − 692
+ − 693 if (NILP (accel))
+ − 694 accel = menu_name_to_accelerator (XSTRING_DATA (name));
+ − 695
+ − 696 if (!NILP (suffix))
+ − 697 suffix = Feval (suffix);
+ − 698
+ − 699 if (!separator_string_p (XSTRING_DATA (name)))
+ − 700 {
+ − 701 char *label_buffer = NULL;
+ − 702 char *temp_label = NULL;
+ − 703
+ − 704 if (STRINGP (suffix) && XSTRING_LENGTH (suffix))
+ − 705 {
851
+ − 706 label_buffer = ALLOCA (XSTRING_LENGTH (name) + 15 + XSTRING_LENGTH (suffix));
462
+ − 707 sprintf (label_buffer, "%s %s ", XSTRING_DATA (name), XSTRING_DATA (suffix));
+ − 708 }
+ − 709 else
+ − 710 {
851
+ − 711 label_buffer = ALLOCA (XSTRING_LENGTH (name) + 15);
462
+ − 712 sprintf (label_buffer, "%s ", XSTRING_DATA (name));
+ − 713 }
+ − 714
+ − 715 temp_label = remove_underscores (label_buffer);
+ − 716 main_label = gtk_accel_label_new (temp_label);
+ − 717 free (temp_label);
+ − 718 }
+ − 719
+ − 720 /* Evaluate the selected and active items now */
+ − 721 if (selected_spec)
+ − 722 {
+ − 723 if (NILP (selected_p) || EQ (selected_p, Qt))
+ − 724 {
+ − 725 /* Do nothing */
+ − 726 }
+ − 727 else
+ − 728 {
+ − 729 selected_p = Feval (selected_p);
+ − 730 }
+ − 731 }
+ − 732
+ − 733 if (NILP (active_p) || EQ (active_p, Qt))
+ − 734 {
+ − 735 /* Do Nothing */
+ − 736 }
+ − 737 else
+ − 738 {
+ − 739 active_p = Feval (active_p);
+ − 740 }
+ − 741
+ − 742 if (0 ||
+ − 743 #ifdef HAVE_MENUBARS
+ − 744 menubar_show_keybindings
+ − 745 #endif
+ − 746 )
+ − 747 {
+ − 748 /* Need to get keybindings */
+ − 749 if (!NILP (keys))
+ − 750 {
+ − 751 /* User-specified string to generate key bindings with */
+ − 752 CHECK_STRING (keys);
+ − 753
+ − 754 keys = Fsubstitute_command_keys (keys);
+ − 755 }
+ − 756 else if (SYMBOLP (callback))
+ − 757 {
793
+ − 758 DECLARE_EISTRING_MALLOC (buf);
462
+ − 759
+ − 760 /* #### Warning, dependency here on current_buffer and point */
+ − 761 where_is_to_char (callback, buf);
+ − 762
833
+ − 763 if (eilen (buf) > 0)
+ − 764 keys = eimake_string (buf);
+ − 765 else
+ − 766 {
+ − 767
+ − 768 keys = Qnil;
+ − 769 }
+ − 770
793
+ − 771 eifree (buf);
462
+ − 772 }
+ − 773 }
+ − 774
+ − 775 /* Now we get down to the dirty business of creating the widgets */
+ − 776 if (NILP (style) || EQ (style, Qtext) || EQ (style, Qbutton))
+ − 777 {
+ − 778 /* A normal menu item */
+ − 779 widget = gtk_menu_item_new ();
+ − 780 }
+ − 781 else if (EQ (style, Qtoggle) || EQ (style, Qradio))
+ − 782 {
+ − 783 /* They are radio or toggle buttons.
+ − 784
+ − 785 XEmacs' menu descriptions are fairly lame in that they do
+ − 786 not have the idea of a 'group' of radio buttons. They
+ − 787 are exactly like toggle buttons except that they get
+ − 788 drawn differently.
+ − 789
+ − 790 GTK rips us a new one again. If you have a radio button
+ − 791 in a group by itself, it always draws it as highlighted.
+ − 792 So we dummy up and create a second radio button that does
+ − 793 not get added to the menu, but gets invisibly set/unset
+ − 794 when the other gets unset/set. *sigh*
+ − 795
+ − 796 */
+ − 797 if (EQ (style, Qradio))
+ − 798 {
+ − 799 GtkWidget *dummy_sibling = NULL;
+ − 800 GSList *group = NULL;
+ − 801
+ − 802 dummy_sibling = gtk_radio_menu_item_new (group);
+ − 803 group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (dummy_sibling));
+ − 804 widget = gtk_radio_menu_item_new (group);
+ − 805
+ − 806 /* We need to notice when the 'real' one gets destroyed
+ − 807 so we can clean up the dummy as well. */
+ − 808 gtk_object_weakref (GTK_OBJECT (widget),
+ − 809 (GtkDestroyNotify) gtk_widget_destroy,
+ − 810 dummy_sibling);
+ − 811 }
+ − 812 else
+ − 813 {
+ − 814 widget = gtk_check_menu_item_new ();
+ − 815 }
+ − 816
+ − 817 /* What horrible defaults you have GTK dear! The default
+ − 818 for a toggle menu item is to not show the toggle unless it
+ − 819 is turned on or actively highlighted. How absolutely
+ − 820 hideous. */
+ − 821 gtk_check_menu_item_set_show_toggle (GTK_CHECK_MENU_ITEM (widget), TRUE);
+ − 822 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (widget),
+ − 823 NILP (selected_p) ? FALSE : TRUE);
+ − 824 }
+ − 825 else
+ − 826 {
563
+ − 827 invalid_argument_2 ("unknown style", style, descr);
462
+ − 828 }
+ − 829
+ − 830 gtk_widget_set_sensitive (widget, ! NILP (active_p));
+ − 831
+ − 832 gtk_signal_connect (GTK_OBJECT (widget), "activate-item",
+ − 833 GTK_SIGNAL_FUNC (__generic_button_callback),
+ − 834 LISP_TO_VOID (callback));
+ − 835
+ − 836 gtk_signal_connect (GTK_OBJECT (widget), "activate",
+ − 837 GTK_SIGNAL_FUNC (__generic_button_callback),
+ − 838 LISP_TO_VOID (callback));
+ − 839
+ − 840 /* We cheat here... GtkAccelLabel usually builds its
+ − 841 `accel_string' from the widget it is attached to, but we do
+ − 842 not want to go thru the overhead of converting our nice
+ − 843 string back into the modifier + key format that requires,
+ − 844 just so that they can convert it back into a (possibly
+ − 845 different/wrong) string
+ − 846
+ − 847 We set the label string manually, and things should 'just
+ − 848 work'
+ − 849
+ − 850 In an ideal world we would just subclass GtkLabel ourselves,
+ − 851 but I have known for a very long time that this is not an
+ − 852 ideal world.
+ − 853
+ − 854 #### Should do menu shortcuts `correctly' one of these days.
+ − 855 */
+ − 856
+ − 857 if (main_label)
+ − 858 {
+ − 859 GtkAccelLabel *l = GTK_ACCEL_LABEL (main_label);
+ − 860
+ − 861 gtk_container_add (GTK_CONTAINER (widget), main_label);
+ − 862
+ − 863 gtk_accel_label_set_accel_widget (l, NULL);
+ − 864 gtk_misc_set_alignment (GTK_MISC (l), 0.0, 0.5);
+ − 865
+ − 866 if (STRINGP (keys) && XSTRING_LENGTH (keys))
+ − 867 {
833
+ − 868 C_STRING_TO_EXTERNAL_MALLOC (XSTRING_DATA (keys), l->accel_string,
+ − 869 Qctext);
+ − 870 stderr_out ("accel: %s\n", l->accel_string);
+ − 871 }
+ − 872 else
+ − 873 {
1242
+ − 874 /* l->accel_string = ""; */
462
+ − 875 }
+ − 876 }
+ − 877
+ − 878 return (widget);
+ − 879 }
+ − 880 else
+ − 881 {
+ − 882 return (NULL);
+ − 883 /* abort (); ???? */
+ − 884 }
+ − 885 }
+ − 886
1416
+ − 887 static GtkWidget *
+ − 888 menu_descriptor_to_widget (Lisp_Object descr)
462
+ − 889 {
+ − 890 GtkWidget *rval = NULL;
771
+ − 891 int count = begin_gc_forbidden ();
462
+ − 892
+ − 893 /* Cannot GC from here on out... */
+ − 894 rval = menu_descriptor_to_widget_1 (descr);
771
+ − 895 unbind_to (count);
462
+ − 896 return (rval);
+ − 897
+ − 898 }
+ − 899
+ − 900 static gboolean
+ − 901 menu_can_reuse_widget (GtkWidget *child, const char *label)
+ − 902 {
+ − 903 /* Everything up at the top level was done using
+ − 904 ** gtk_menu_item_new_with_label(), but we still double check to make
+ − 905 ** sure we don't seriously foobar ourselves.
+ − 906 */
+ − 907 char *temp_label = NULL;
+ − 908 gpointer possible_child = g_list_nth_data (gtk_container_children (GTK_CONTAINER (child)), 0);
+ − 909
+ − 910 if (possible_child && GTK_IS_LABEL (possible_child))
+ − 911 {
+ − 912 if (!temp_label) temp_label = remove_underscores (label);
+ − 913 if (!strcmp (GTK_LABEL (possible_child)->label, temp_label))
+ − 914 {
+ − 915 free (temp_label);
+ − 916 return (TRUE);
+ − 917 }
+ − 918 }
+ − 919 if (temp_label) free (temp_label);
+ − 920 return (FALSE);
+ − 921 }
+ − 922
+ − 923 /* Converts a menubar description into a GtkMenuBar... a menubar is a
+ − 924 list of menus or buttons
+ − 925 */
+ − 926 static void
+ − 927 menu_create_menubar (struct frame *f, Lisp_Object descr)
+ − 928 {
+ − 929 gboolean right_justify = FALSE;
+ − 930 Lisp_Object tail = Qnil;
+ − 931 Lisp_Object value = descr;
+ − 932 Lisp_Object item_descr = Qnil;
+ − 933 GtkWidget *menubar = FRAME_GTK_MENUBAR_WIDGET (f);
+ − 934 GUI_ID id = (GUI_ID) gtk_object_get_data (GTK_OBJECT (menubar), XEMACS_MENU_GUIID_TAG);
+ − 935 guint menu_position = 0;
+ − 936
+ − 937 /* Remove any existing protection for old menu items */
+ − 938 ungcpro_popup_callbacks (id);
+ − 939
+ − 940 /* GCPRO the whole damn thing */
+ − 941 gcpro_popup_callbacks (id, descr);
+ − 942
+ − 943 EXTERNAL_LIST_LOOP (tail, value)
+ − 944 {
+ − 945 gpointer current_child = g_list_nth_data (GTK_MENU_SHELL (menubar)->children, menu_position);
+ − 946
+ − 947 item_descr = XCAR (tail);
+ − 948
+ − 949 if (NILP (item_descr))
+ − 950 {
+ − 951 /* Need to start right-justifying menus */
+ − 952 right_justify = TRUE;
+ − 953 menu_position--;
+ − 954 }
+ − 955 else if (VECTORP (item_descr))
+ − 956 {
+ − 957 /* It is a button description */
+ − 958 GtkWidget *item;
+ − 959
+ − 960 item = menu_descriptor_to_widget (item_descr);
+ − 961 gtk_widget_set_name (item, "XEmacsMenuButton");
+ − 962
+ − 963 if (!item)
+ − 964 {
+ − 965 item = gtk_menu_item_new_with_label ("ITEM CREATION ERROR");
+ − 966 }
+ − 967
+ − 968 gtk_widget_show_all (item);
+ − 969 if (current_child) gtk_widget_destroy (GTK_WIDGET (current_child));
+ − 970 gtk_menu_bar_insert (GTK_MENU_BAR (menubar), item, menu_position);
+ − 971 }
+ − 972 else if (LISTP (item_descr))
+ − 973 {
+ − 974 /* Need to actually convert it into a menu and slap it in */
+ − 975 GtkWidget *widget;
+ − 976 gboolean reused_p = FALSE;
+ − 977
+ − 978 /* We may be able to reuse the widget, let's at least check. */
+ − 979 if (current_child && menu_can_reuse_widget (GTK_WIDGET (current_child),
+ − 980 XSTRING_DATA (XCAR (item_descr))))
+ − 981 {
+ − 982 widget = menu_convert (item_descr, GTK_WIDGET (current_child));
+ − 983 reused_p = TRUE;
+ − 984 }
+ − 985 else
+ − 986 {
+ − 987 widget = menu_convert (item_descr, NULL);
+ − 988 if (current_child) gtk_widget_destroy (GTK_WIDGET (current_child));
+ − 989 gtk_menu_bar_insert (GTK_MENU_BAR (menubar), widget, menu_position);
+ − 990 }
+ − 991
+ − 992 if (widget)
+ − 993 {
+ − 994 if (right_justify) gtk_menu_item_right_justify (GTK_MENU_ITEM (widget));
+ − 995 }
+ − 996 else
+ − 997 {
+ − 998 widget = gtk_menu_item_new_with_label ("ERROR");
+ − 999 /* abort() */
+ − 1000 }
+ − 1001 gtk_widget_show_all (widget);
+ − 1002 }
+ − 1003 else if (STRINGP (item_descr))
+ − 1004 {
+ − 1005 /* Do I really want to be this careful? Anything else in a
+ − 1006 menubar description is illegal */
+ − 1007 }
+ − 1008 menu_position++;
+ − 1009 }
+ − 1010
+ − 1011 /* Need to delete any menu items that were past the bounds of the new one */
+ − 1012 {
+ − 1013 GList *l = NULL;
+ − 1014
+ − 1015 while ((l = g_list_nth (GTK_MENU_SHELL (menubar)->children, menu_position)))
+ − 1016 {
+ − 1017 gpointer data = l->data;
+ − 1018 g_list_remove_link (GTK_MENU_SHELL (menubar)->children, l);
+ − 1019
+ − 1020 if (data)
+ − 1021 {
+ − 1022 gtk_widget_destroy (GTK_WIDGET (data));
+ − 1023 }
+ − 1024 }
+ − 1025 }
+ − 1026 }
+ − 1027
+ − 1028
+ − 1029 /* Deal with getting/setting the menubar */
+ − 1030 #ifndef GNOME_IS_APP
+ − 1031 #define GNOME_IS_APP(x) 0
+ − 1032 #define gnome_app_set_menus(x,y)
+ − 1033 #endif
+ − 1034
+ − 1035 static gboolean
+ − 1036 run_menubar_hook (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
+ − 1037 {
+ − 1038 if (!GTK_MENU_SHELL(widget)->active)
+ − 1039 {
+ − 1040 run_hook (Qactivate_menubar_hook);
+ − 1041 }
+ − 1042 return(FALSE);
+ − 1043 }
+ − 1044
+ − 1045 static void
+ − 1046 create_menubar_widget (struct frame *f)
+ − 1047 {
+ − 1048 GUI_ID id = new_gui_id ();
+ − 1049 GtkWidget *handlebox = NULL;
+ − 1050 GtkWidget *menubar = gtk_xemacs_menubar_new (f);
+ − 1051
+ − 1052 if (GNOME_IS_APP (FRAME_GTK_SHELL_WIDGET (f)))
+ − 1053 {
+ − 1054 gnome_app_set_menus (GNOME_APP (FRAME_GTK_SHELL_WIDGET (f)), GTK_MENU_BAR (menubar));
+ − 1055 }
+ − 1056 else if (dockable_menubar)
+ − 1057 {
+ − 1058 handlebox = gtk_handle_box_new ();
+ − 1059 gtk_handle_box_set_handle_position (GTK_HANDLE_BOX (handlebox), GTK_POS_LEFT);
+ − 1060 gtk_container_add (GTK_CONTAINER (handlebox), menubar);
+ − 1061 gtk_box_pack_start (GTK_BOX (FRAME_GTK_CONTAINER_WIDGET (f)), handlebox, FALSE, FALSE, 0);
+ − 1062 }
+ − 1063 else
+ − 1064 {
+ − 1065 gtk_box_pack_start (GTK_BOX (FRAME_GTK_CONTAINER_WIDGET (f)), menubar, FALSE, FALSE, 0);
+ − 1066 }
+ − 1067
+ − 1068 gtk_signal_connect (GTK_OBJECT (menubar), "button-press-event",
+ − 1069 GTK_SIGNAL_FUNC (run_menubar_hook), NULL);
+ − 1070
+ − 1071 FRAME_GTK_MENUBAR_WIDGET (f) = menubar;
+ − 1072 gtk_object_set_data (GTK_OBJECT (menubar), XEMACS_MENU_GUIID_TAG, (gpointer) id);
+ − 1073 gtk_object_weakref (GTK_OBJECT (menubar), __remove_gcpro_by_id, (gpointer) id);
+ − 1074 }
+ − 1075
+ − 1076 static int
+ − 1077 set_frame_menubar (struct frame *f, int first_time_p)
+ − 1078 {
+ − 1079 Lisp_Object menubar;
+ − 1080 int menubar_visible;
+ − 1081 /* As for the toolbar, the minibuffer does not have its own menubar. */
+ − 1082 struct window *w = XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f));
+ − 1083
+ − 1084 if (! FRAME_GTK_P (f))
+ − 1085 return 0;
+ − 1086
+ − 1087 /***** first compute the contents of the menubar *****/
+ − 1088
+ − 1089 if (! first_time_p)
+ − 1090 {
+ − 1091 /* evaluate `current-menubar' in the buffer of the selected window
+ − 1092 of the frame in question. */
+ − 1093 menubar = symbol_value_in_buffer (Qcurrent_menubar, w->buffer);
+ − 1094 }
+ − 1095 else
+ − 1096 {
+ − 1097 /* That's a little tricky the first time since the frame isn't
+ − 1098 fully initialized yet. */
+ − 1099 menubar = Fsymbol_value (Qcurrent_menubar);
+ − 1100 }
+ − 1101
+ − 1102 if (NILP (menubar))
+ − 1103 {
+ − 1104 menubar = Vblank_menubar;
+ − 1105 menubar_visible = 0;
+ − 1106 }
+ − 1107 else
+ − 1108 {
+ − 1109 menubar_visible = !NILP (w->menubar_visible_p);
+ − 1110 }
+ − 1111
+ − 1112 if (!FRAME_GTK_MENUBAR_WIDGET (f))
+ − 1113 {
+ − 1114 create_menubar_widget (f);
+ − 1115 }
+ − 1116
+ − 1117 /* Populate the menubar, but nothing is shown yet */
+ − 1118 {
+ − 1119 Lisp_Object old_buffer;
+ − 1120 int count = specpdl_depth ();
+ − 1121
+ − 1122 old_buffer = Fcurrent_buffer ();
+ − 1123 record_unwind_protect (Fset_buffer, old_buffer);
+ − 1124 Fset_buffer (XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer);
+ − 1125
+ − 1126 menu_create_menubar (f, menubar);
+ − 1127
+ − 1128 Fset_buffer (old_buffer);
771
+ − 1129 unbind_to (count);
462
+ − 1130 }
+ − 1131
1346
+ − 1132 FRAME_GTK_MENUBAR_DATA (f) = Fcons (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f))->buffer, Qt);
462
+ − 1133
+ − 1134 return (menubar_visible);
+ − 1135 }
+ − 1136
+ − 1137 /* Called from gtk_create_widgets() to create the inital menubar of a frame
+ − 1138 before it is mapped, so that the window is mapped with the menubar already
+ − 1139 there instead of us tacking it on later and thrashing the window after it
+ − 1140 is visible. */
+ − 1141 int
+ − 1142 gtk_initialize_frame_menubar (struct frame *f)
+ − 1143 {
+ − 1144 create_menubar_widget (f);
+ − 1145 return set_frame_menubar (f, 1);
+ − 1146 }
+ − 1147
+ − 1148
+ − 1149 static void
+ − 1150 gtk_update_frame_menubar_internal (struct frame *f)
+ − 1151 {
+ − 1152 /* We assume the menubar contents has changed if the global flag is set,
+ − 1153 or if the current buffer has changed, or if the menubar has never
+ − 1154 been updated before.
+ − 1155 */
+ − 1156 int menubar_contents_changed =
+ − 1157 (f->menubar_changed
1346
+ − 1158 || NILP (FRAME_GTK_MENUBAR_DATA (f))
+ − 1159 || (!EQ (XFRAME_GTK_MENUBAR_DATA_LASTBUFF (f),
462
+ − 1160 XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f))->buffer)));
+ − 1161
+ − 1162 gboolean menubar_was_visible = GTK_WIDGET_VISIBLE (FRAME_GTK_MENUBAR_WIDGET (f));
+ − 1163 gboolean menubar_will_be_visible = menubar_was_visible;
+ − 1164 gboolean menubar_visibility_changed;
+ − 1165
+ − 1166 if (menubar_contents_changed)
+ − 1167 {
+ − 1168 menubar_will_be_visible = set_frame_menubar (f, 0);
+ − 1169 }
+ − 1170
+ − 1171 menubar_visibility_changed = menubar_was_visible != menubar_will_be_visible;
+ − 1172
+ − 1173 if (!menubar_visibility_changed)
+ − 1174 {
+ − 1175 return;
+ − 1176 }
+ − 1177
+ − 1178 /* We hide and show the menubar's parent (which is actually the
+ − 1179 GtkHandleBox)... this is to simplify the code that destroys old
+ − 1180 menu items, etc. There is no easy way to get the child out of a
+ − 1181 handle box, and I didn't want to add yet another stupid widget
+ − 1182 slot to struct gtk_frame. */
+ − 1183 if (menubar_will_be_visible)
+ − 1184 {
+ − 1185 gtk_widget_show_all (FRAME_GTK_MENUBAR_WIDGET (f)->parent);
+ − 1186 }
+ − 1187 else
+ − 1188 {
+ − 1189 gtk_widget_hide_all (FRAME_GTK_MENUBAR_WIDGET (f)->parent);
+ − 1190 }
+ − 1191
+ − 1192 MARK_FRAME_SIZE_SLIPPED (f);
+ − 1193 }
+ − 1194
+ − 1195 static void
+ − 1196 gtk_update_frame_menubars (struct frame *f)
+ − 1197 {
+ − 1198 GtkWidget *menubar = NULL;
+ − 1199
+ − 1200 assert (FRAME_GTK_P (f));
+ − 1201
+ − 1202 menubar = FRAME_GTK_MENUBAR_WIDGET (f);
+ − 1203
+ − 1204 if ((GTK_MENU_SHELL (menubar)->active) ||
+ − 1205 (GTK_MENU_SHELL (menubar)->have_grab) ||
+ − 1206 (GTK_MENU_SHELL (menubar)->have_xgrab))
+ − 1207 {
+ − 1208 return;
+ − 1209 }
+ − 1210
+ − 1211 gtk_update_frame_menubar_internal (f);
+ − 1212 }
+ − 1213
+ − 1214 static void
+ − 1215 gtk_free_frame_menubars (struct frame *f)
+ − 1216 {
+ − 1217 GtkWidget *menubar_widget;
+ − 1218
+ − 1219 assert (FRAME_GTK_P (f));
+ − 1220
+ − 1221 menubar_widget = FRAME_GTK_MENUBAR_WIDGET (f);
+ − 1222 if (menubar_widget)
+ − 1223 {
+ − 1224 gtk_widget_destroy (menubar_widget);
+ − 1225 }
+ − 1226 }
+ − 1227
1416
+ − 1228 static void
+ − 1229 popdown_menu_cb (GtkMenuShell *menu, gpointer user_data)
462
+ − 1230 {
+ − 1231 popup_up_p--;
+ − 1232 }
+ − 1233
+ − 1234 static void
+ − 1235 gtk_popup_menu (Lisp_Object menu_desc, Lisp_Object event)
+ − 1236 {
+ − 1237 struct Lisp_Event *eev = NULL;
714
+ − 1238 GtkWidget *widget = NULL;
+ − 1239 GtkWidget *menu = NULL;
+ − 1240 gpointer id = NULL;
462
+ − 1241
714
+ − 1242 /* Do basic error checking first... */
+ − 1243 if (SYMBOLP (menu_desc))
+ − 1244 menu_desc = Fsymbol_value (menu_desc);
+ − 1245 CHECK_CONS (menu_desc);
+ − 1246 CHECK_STRING (XCAR (menu_desc));
+ − 1247
+ − 1248 /* Now lets get down to business... */
+ − 1249 widget = menu_descriptor_to_widget (menu_desc);
+ − 1250 menu = GTK_MENU_ITEM (widget)->submenu;
462
+ − 1251 gtk_widget_set_name (widget, "XEmacsPopupMenu");
714
+ − 1252 id = gtk_object_get_data (GTK_OBJECT (widget), XEMACS_MENU_GUIID_TAG);
462
+ − 1253
+ − 1254 __activate_menu (GTK_MENU_ITEM (widget), id);
+ − 1255
+ − 1256 if (!NILP (event))
+ − 1257 {
+ − 1258 CHECK_LIVE_EVENT (event);
+ − 1259 eev = XEVENT (event);
+ − 1260
+ − 1261 if ((eev->event_type != button_press_event) &&
+ − 1262 (eev->event_type != button_release_event))
+ − 1263 wrong_type_argument (Qmouse_event_p, event);
+ − 1264 }
+ − 1265 else if (!NILP (Vthis_command_keys))
+ − 1266 {
+ − 1267 /* If an event wasn't passed, use the last event of the event
+ − 1268 sequence currently being executed, if that event is a mouse
+ − 1269 event. */
+ − 1270 eev = XEVENT (Vthis_command_keys);
+ − 1271 if ((eev->event_type != button_press_event) &&
+ − 1272 (eev->event_type != button_release_event))
+ − 1273 eev = NULL;
+ − 1274 }
+ − 1275
+ − 1276 gtk_widget_show (menu);
+ − 1277
+ − 1278 popup_up_p++;
+ − 1279 gtk_signal_connect (GTK_OBJECT (menu), "deactivate",
+ − 1280 GTK_SIGNAL_FUNC (popdown_menu_cb), NULL);
+ − 1281
+ − 1282 gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
1204
+ − 1283 eev ? EVENT_BUTTON_BUTTON (eev) : 0,
462
+ − 1284 eev ? eev->timestamp : GDK_CURRENT_TIME);
+ − 1285 }
+ − 1286
+ − 1287 DEFUN ("gtk-build-xemacs-menu", Fgtk_build_xemacs_menu, 1, 1, 0, /*
+ − 1288 Returns a GTK menu item from MENU, a standard XEmacs menu description.
+ − 1289 See the definition of `popup-menu' for more information on the format of MENU.
+ − 1290 */
+ − 1291 (menu))
+ − 1292 {
+ − 1293 GtkWidget *w = menu_descriptor_to_widget (menu);
+ − 1294
+ − 1295 return (w ? build_gtk_object (GTK_OBJECT (w)) : Qnil);
+ − 1296 }
+ − 1297
+ − 1298
+ − 1299 void
+ − 1300 syms_of_menubar_gtk (void)
+ − 1301 {
+ − 1302 DEFSUBR (Fgtk_build_xemacs_menu);
+ − 1303 }
+ − 1304
+ − 1305 void
+ − 1306 console_type_create_menubar_gtk (void)
+ − 1307 {
+ − 1308 CONSOLE_HAS_METHOD (gtk, update_frame_menubars);
+ − 1309 CONSOLE_HAS_METHOD (gtk, free_frame_menubars);
+ − 1310 CONSOLE_HAS_METHOD (gtk, popup_menu);
+ − 1311 }
+ − 1312
1416
+ − 1313 void
+ − 1314 reinit_vars_of_menubar_gtk (void)
462
+ − 1315 {
+ − 1316 dockable_menubar = 1;
+ − 1317 #ifdef TEAR_OFF_MENUS
+ − 1318 tear_off_menus = 1;
+ − 1319 #endif
+ − 1320 }
+ − 1321
+ − 1322 void
+ − 1323 vars_of_menubar_gtk (void)
+ − 1324 {
+ − 1325 Fprovide (intern ("gtk-menubars"));
+ − 1326 DEFVAR_BOOL ("menubar-dockable-p", &dockable_menubar /*
+ − 1327 If non-nil, the frame menubar can be detached into its own top-level window.
+ − 1328 */ );
+ − 1329 #ifdef TEAR_OFF_MENUS
+ − 1330 DEFVAR_BOOL ("menubar-tearable-p", &tear_off_menus /*
+ − 1331 If non-nil, menus can be torn off into their own top-level windows.
+ − 1332 */ );
+ − 1333 #endif
+ − 1334 reinit_vars_of_menubar_gtk ();
+ − 1335 }