| 1 | /* Functions for creating and updating GTK widgets. |
| 2 | Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Emacs. |
| 6 | |
| 7 | GNU Emacs is free software: you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation, either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | GNU Emacs is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <config.h> |
| 21 | |
| 22 | #ifdef USE_GTK |
| 23 | #include <string.h> |
| 24 | #include <signal.h> |
| 25 | #include <stdio.h> |
| 26 | #include <setjmp.h> |
| 27 | #include "lisp.h" |
| 28 | #include "xterm.h" |
| 29 | #include "blockinput.h" |
| 30 | #include "syssignal.h" |
| 31 | #include "window.h" |
| 32 | #include "gtkutil.h" |
| 33 | #include "termhooks.h" |
| 34 | #include "keyboard.h" |
| 35 | #include "charset.h" |
| 36 | #include "coding.h" |
| 37 | #include <gdk/gdkkeysyms.h> |
| 38 | #include "xsettings.h" |
| 39 | |
| 40 | #ifdef HAVE_XFT |
| 41 | #include <X11/Xft/Xft.h> |
| 42 | #endif |
| 43 | |
| 44 | #define FRAME_TOTAL_PIXEL_HEIGHT(f) \ |
| 45 | (FRAME_PIXEL_HEIGHT (f) + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f)) |
| 46 | |
| 47 | /* Avoid "differ in sign" warnings */ |
| 48 | #define SSDATA(x) ((char *) SDATA (x)) |
| 49 | |
| 50 | #ifndef HAVE_GTK_WIDGET_SET_HAS_WINDOW |
| 51 | #define gtk_widget_set_has_window(w, b) \ |
| 52 | (gtk_fixed_set_has_window (GTK_FIXED (w), b)) |
| 53 | #endif |
| 54 | #ifndef HAVE_GTK_DIALOG_GET_ACTION_AREA |
| 55 | #define gtk_dialog_get_action_area(w) ((w)->action_area) |
| 56 | #define gtk_dialog_get_content_area(w) ((w)->vbox) |
| 57 | #endif |
| 58 | #ifndef HAVE_GTK_WIDGET_GET_SENSITIVE |
| 59 | #define gtk_widget_get_sensitive(w) (GTK_WIDGET_SENSITIVE (w)) |
| 60 | #endif |
| 61 | #ifndef HAVE_GTK_ADJUSTMENT_GET_PAGE_SIZE |
| 62 | #define gtk_adjustment_set_page_size(w, s) ((w)->page_size = (s)) |
| 63 | #define gtk_adjustment_set_page_increment(w, s) ((w)->page_increment = (s)) |
| 64 | #define gtk_adjustment_get_step_increment(w) ((w)->step_increment) |
| 65 | #define gtk_adjustment_set_step_increment(w, s) ((w)->step_increment = (s)) |
| 66 | #endif |
| 67 | #if GTK_MAJOR_VERSION > 2 || GTK_MINOR_VERSION > 11 |
| 68 | #define remove_submenu(w) gtk_menu_item_set_submenu ((w), NULL) |
| 69 | #else |
| 70 | #define remove_submenu(w) gtk_menu_item_remove_submenu ((w)) |
| 71 | #endif |
| 72 | |
| 73 | \f |
| 74 | /*********************************************************************** |
| 75 | Display handling functions |
| 76 | ***********************************************************************/ |
| 77 | |
| 78 | /* Keep track of the default display, or NULL if there is none. Emacs |
| 79 | may close all its displays. */ |
| 80 | |
| 81 | static GdkDisplay *gdpy_def; |
| 82 | |
| 83 | /* When the GTK widget W is to be created on a display for F that |
| 84 | is not the default display, set the display for W. |
| 85 | W can be a GtkMenu or a GtkWindow widget. */ |
| 86 | |
| 87 | static void |
| 88 | xg_set_screen (GtkWidget *w, FRAME_PTR f) |
| 89 | { |
| 90 | if (FRAME_X_DISPLAY (f) != GDK_DISPLAY ()) |
| 91 | { |
| 92 | GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f)); |
| 93 | GdkScreen *gscreen = gdk_display_get_default_screen (gdpy); |
| 94 | |
| 95 | if (GTK_IS_MENU (w)) |
| 96 | gtk_menu_set_screen (GTK_MENU (w), gscreen); |
| 97 | else |
| 98 | gtk_window_set_screen (GTK_WINDOW (w), gscreen); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | |
| 103 | /* Open a display named by DISPLAY_NAME. The display is returned in *DPY. |
| 104 | *DPY is set to NULL if the display can't be opened. |
| 105 | |
| 106 | Returns non-zero if display could be opened, zero if display could not |
| 107 | be opened, and less than zero if the GTK version doesn't support |
| 108 | multipe displays. */ |
| 109 | |
| 110 | void |
| 111 | xg_display_open (char *display_name, Display **dpy) |
| 112 | { |
| 113 | GdkDisplay *gdpy; |
| 114 | |
| 115 | gdpy = gdk_display_open (display_name); |
| 116 | if (!gdpy_def && gdpy) |
| 117 | { |
| 118 | gdpy_def = gdpy; |
| 119 | gdk_display_manager_set_default_display (gdk_display_manager_get (), |
| 120 | gdpy); |
| 121 | } |
| 122 | |
| 123 | *dpy = gdpy ? GDK_DISPLAY_XDISPLAY (gdpy) : NULL; |
| 124 | } |
| 125 | |
| 126 | |
| 127 | /* Close display DPY. */ |
| 128 | |
| 129 | void |
| 130 | xg_display_close (Display *dpy) |
| 131 | { |
| 132 | GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (dpy); |
| 133 | |
| 134 | /* If this is the default display, try to change it before closing. |
| 135 | If there is no other display to use, gdpy_def is set to NULL, and |
| 136 | the next call to xg_display_open resets the default display. */ |
| 137 | if (gdk_display_get_default () == gdpy) |
| 138 | { |
| 139 | struct x_display_info *dpyinfo; |
| 140 | GdkDisplay *gdpy_new = NULL; |
| 141 | |
| 142 | /* Find another display. */ |
| 143 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) |
| 144 | if (dpyinfo->display != dpy) |
| 145 | { |
| 146 | gdpy_new = gdk_x11_lookup_xdisplay (dpyinfo->display); |
| 147 | gdk_display_manager_set_default_display (gdk_display_manager_get (), |
| 148 | gdpy_new); |
| 149 | break; |
| 150 | } |
| 151 | gdpy_def = gdpy_new; |
| 152 | } |
| 153 | |
| 154 | #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION < 10 |
| 155 | /* GTK 2.2-2.8 has a bug that makes gdk_display_close crash (bug |
| 156 | http://bugzilla.gnome.org/show_bug.cgi?id=85715). This way we |
| 157 | can continue running, but there will be memory leaks. */ |
| 158 | g_object_run_dispose (G_OBJECT (gdpy)); |
| 159 | #else |
| 160 | /* This seems to be fixed in GTK 2.10. */ |
| 161 | gdk_display_close (gdpy); |
| 162 | #endif |
| 163 | } |
| 164 | |
| 165 | \f |
| 166 | /*********************************************************************** |
| 167 | Utility functions |
| 168 | ***********************************************************************/ |
| 169 | /* The next two variables and functions are taken from lwlib. */ |
| 170 | static widget_value *widget_value_free_list; |
| 171 | static int malloc_cpt; |
| 172 | |
| 173 | /* Allocate a widget_value structure, either by taking one from the |
| 174 | widget_value_free_list or by malloc:ing a new one. |
| 175 | |
| 176 | Return a pointer to the allocated structure. */ |
| 177 | |
| 178 | widget_value * |
| 179 | malloc_widget_value (void) |
| 180 | { |
| 181 | widget_value *wv; |
| 182 | if (widget_value_free_list) |
| 183 | { |
| 184 | wv = widget_value_free_list; |
| 185 | widget_value_free_list = wv->free_list; |
| 186 | wv->free_list = 0; |
| 187 | } |
| 188 | else |
| 189 | { |
| 190 | wv = (widget_value *) xmalloc (sizeof (widget_value)); |
| 191 | malloc_cpt++; |
| 192 | } |
| 193 | memset (wv, 0, sizeof (widget_value)); |
| 194 | return wv; |
| 195 | } |
| 196 | |
| 197 | /* This is analogous to free. It frees only what was allocated |
| 198 | by malloc_widget_value, and no substructures. */ |
| 199 | |
| 200 | void |
| 201 | free_widget_value (widget_value *wv) |
| 202 | { |
| 203 | if (wv->free_list) |
| 204 | abort (); |
| 205 | |
| 206 | if (malloc_cpt > 25) |
| 207 | { |
| 208 | /* When the number of already allocated cells is too big, |
| 209 | We free it. */ |
| 210 | xfree (wv); |
| 211 | malloc_cpt--; |
| 212 | } |
| 213 | else |
| 214 | { |
| 215 | wv->free_list = widget_value_free_list; |
| 216 | widget_value_free_list = wv; |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | |
| 221 | /* Create and return the cursor to be used for popup menus and |
| 222 | scroll bars on display DPY. */ |
| 223 | |
| 224 | GdkCursor * |
| 225 | xg_create_default_cursor (Display *dpy) |
| 226 | { |
| 227 | GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (dpy); |
| 228 | return gdk_cursor_new_for_display (gdpy, GDK_LEFT_PTR); |
| 229 | } |
| 230 | |
| 231 | /* Apply GMASK to GPIX and return a GdkPixbuf with an alpha channel. */ |
| 232 | |
| 233 | static GdkPixbuf * |
| 234 | xg_get_pixbuf_from_pix_and_mask (GdkPixmap *gpix, GdkPixmap *gmask, GdkColormap *cmap) |
| 235 | { |
| 236 | int width, height; |
| 237 | GdkPixbuf *icon_buf, *tmp_buf; |
| 238 | |
| 239 | gdk_drawable_get_size (gpix, &width, &height); |
| 240 | tmp_buf = gdk_pixbuf_get_from_drawable (NULL, gpix, cmap, |
| 241 | 0, 0, 0, 0, width, height); |
| 242 | icon_buf = gdk_pixbuf_add_alpha (tmp_buf, FALSE, 0, 0, 0); |
| 243 | g_object_unref (G_OBJECT (tmp_buf)); |
| 244 | |
| 245 | if (gmask) |
| 246 | { |
| 247 | GdkPixbuf *mask_buf = gdk_pixbuf_get_from_drawable (NULL, |
| 248 | gmask, |
| 249 | NULL, |
| 250 | 0, 0, 0, 0, |
| 251 | width, height); |
| 252 | guchar *pixels = gdk_pixbuf_get_pixels (icon_buf); |
| 253 | guchar *mask_pixels = gdk_pixbuf_get_pixels (mask_buf); |
| 254 | int rowstride = gdk_pixbuf_get_rowstride (icon_buf); |
| 255 | int mask_rowstride = gdk_pixbuf_get_rowstride (mask_buf); |
| 256 | int y; |
| 257 | |
| 258 | for (y = 0; y < height; ++y) |
| 259 | { |
| 260 | guchar *iconptr, *maskptr; |
| 261 | int x; |
| 262 | |
| 263 | iconptr = pixels + y * rowstride; |
| 264 | maskptr = mask_pixels + y * mask_rowstride; |
| 265 | |
| 266 | for (x = 0; x < width; ++x) |
| 267 | { |
| 268 | /* In a bitmap, RGB is either 255/255/255 or 0/0/0. Checking |
| 269 | just R is sufficient. */ |
| 270 | if (maskptr[0] == 0) |
| 271 | iconptr[3] = 0; /* 0, 1, 2 is R, G, B. 3 is alpha. */ |
| 272 | |
| 273 | iconptr += rowstride/width; |
| 274 | maskptr += mask_rowstride/width; |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | g_object_unref (G_OBJECT (mask_buf)); |
| 279 | } |
| 280 | |
| 281 | return icon_buf; |
| 282 | } |
| 283 | |
| 284 | static Lisp_Object |
| 285 | file_for_image (Lisp_Object image) |
| 286 | { |
| 287 | Lisp_Object specified_file = Qnil; |
| 288 | Lisp_Object tail; |
| 289 | extern Lisp_Object QCfile; |
| 290 | |
| 291 | for (tail = XCDR (image); |
| 292 | NILP (specified_file) && CONSP (tail) && CONSP (XCDR (tail)); |
| 293 | tail = XCDR (XCDR (tail))) |
| 294 | if (EQ (XCAR (tail), QCfile)) |
| 295 | specified_file = XCAR (XCDR (tail)); |
| 296 | |
| 297 | return specified_file; |
| 298 | } |
| 299 | |
| 300 | /* For the image defined in IMG, make and return a GtkImage. For displays with |
| 301 | 8 planes or less we must make a GdkPixbuf and apply the mask manually. |
| 302 | Otherwise the highlightning and dimming the tool bar code in GTK does |
| 303 | will look bad. For display with more than 8 planes we just use the |
| 304 | pixmap and mask directly. For monochrome displays, GTK doesn't seem |
| 305 | able to use external pixmaps, it looks bad whatever we do. |
| 306 | The image is defined on the display where frame F is. |
| 307 | WIDGET is used to find the GdkColormap to use for the GdkPixbuf. |
| 308 | If OLD_WIDGET is NULL, a new widget is constructed and returned. |
| 309 | If OLD_WIDGET is not NULL, that widget is modified. */ |
| 310 | |
| 311 | static GtkWidget * |
| 312 | xg_get_image_for_pixmap (FRAME_PTR f, struct image *img, GtkWidget *widget, GtkImage *old_widget) |
| 313 | { |
| 314 | GdkPixmap *gpix; |
| 315 | GdkPixmap *gmask; |
| 316 | GdkDisplay *gdpy; |
| 317 | GdkColormap *cmap; |
| 318 | GdkPixbuf *icon_buf; |
| 319 | |
| 320 | /* If we have a file, let GTK do all the image handling. |
| 321 | This seems to be the only way to make insensitive and activated icons |
| 322 | look good in all cases. */ |
| 323 | Lisp_Object specified_file = file_for_image (img->spec); |
| 324 | Lisp_Object file; |
| 325 | |
| 326 | /* We already loaded the image once before calling this |
| 327 | function, so this only fails if the image file has been removed. |
| 328 | In that case, use the pixmap already loaded. */ |
| 329 | |
| 330 | if (STRINGP (specified_file) |
| 331 | && STRINGP (file = x_find_image_file (specified_file))) |
| 332 | { |
| 333 | if (! old_widget) |
| 334 | old_widget = GTK_IMAGE (gtk_image_new_from_file (SSDATA (file))); |
| 335 | else |
| 336 | gtk_image_set_from_file (old_widget, SSDATA (file)); |
| 337 | |
| 338 | return GTK_WIDGET (old_widget); |
| 339 | } |
| 340 | |
| 341 | /* No file, do the image handling ourselves. This will look very bad |
| 342 | on a monochrome display, and sometimes bad on all displays with |
| 343 | certain themes. */ |
| 344 | |
| 345 | gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f)); |
| 346 | gpix = gdk_pixmap_foreign_new_for_display (gdpy, img->pixmap); |
| 347 | gmask = img->mask ? gdk_pixmap_foreign_new_for_display (gdpy, img->mask) : 0; |
| 348 | |
| 349 | /* This is a workaround to make icons look good on pseudo color |
| 350 | displays. Apparently GTK expects the images to have an alpha |
| 351 | channel. If they don't, insensitive and activated icons will |
| 352 | look bad. This workaround does not work on monochrome displays, |
| 353 | and is strictly not needed on true color/static color displays (i.e. |
| 354 | 16 bits and higher). But we do it anyway so we get a pixbuf that is |
| 355 | not associated with the img->pixmap. The img->pixmap may be removed |
| 356 | by clearing the image cache and then the tool bar redraw fails, since |
| 357 | Gtk+ assumes the pixmap is always there. */ |
| 358 | cmap = gtk_widget_get_colormap (widget); |
| 359 | icon_buf = xg_get_pixbuf_from_pix_and_mask (gpix, gmask, cmap); |
| 360 | |
| 361 | if (! old_widget) |
| 362 | old_widget = GTK_IMAGE (gtk_image_new_from_pixbuf (icon_buf)); |
| 363 | else |
| 364 | gtk_image_set_from_pixbuf (old_widget, icon_buf); |
| 365 | |
| 366 | g_object_unref (G_OBJECT (icon_buf)); |
| 367 | |
| 368 | g_object_unref (G_OBJECT (gpix)); |
| 369 | if (gmask) g_object_unref (G_OBJECT (gmask)); |
| 370 | |
| 371 | return GTK_WIDGET (old_widget); |
| 372 | } |
| 373 | |
| 374 | |
| 375 | /* Set CURSOR on W and all widgets W contain. We must do like this |
| 376 | for scroll bars and menu because they create widgets internally, |
| 377 | and it is those widgets that are visible. */ |
| 378 | |
| 379 | static void |
| 380 | xg_set_cursor (GtkWidget *w, GdkCursor *cursor) |
| 381 | { |
| 382 | GdkWindow *window = gtk_widget_get_window(w); |
| 383 | GList *children = gdk_window_peek_children (window); |
| 384 | |
| 385 | gdk_window_set_cursor (window, cursor); |
| 386 | |
| 387 | /* The scroll bar widget has more than one GDK window (had to look at |
| 388 | the source to figure this out), and there is no way to set cursor |
| 389 | on widgets in GTK. So we must set the cursor for all GDK windows. |
| 390 | Ditto for menus. */ |
| 391 | |
| 392 | for ( ; children; children = g_list_next (children)) |
| 393 | gdk_window_set_cursor (GDK_WINDOW (children->data), cursor); |
| 394 | } |
| 395 | |
| 396 | /* Insert NODE into linked LIST. */ |
| 397 | |
| 398 | static void |
| 399 | xg_list_insert (xg_list_node *list, xg_list_node *node) |
| 400 | { |
| 401 | xg_list_node *list_start = list->next; |
| 402 | |
| 403 | if (list_start) list_start->prev = node; |
| 404 | node->next = list_start; |
| 405 | node->prev = 0; |
| 406 | list->next = node; |
| 407 | } |
| 408 | |
| 409 | /* Remove NODE from linked LIST. */ |
| 410 | |
| 411 | static void |
| 412 | xg_list_remove (xg_list_node *list, xg_list_node *node) |
| 413 | { |
| 414 | xg_list_node *list_start = list->next; |
| 415 | if (node == list_start) |
| 416 | { |
| 417 | list->next = node->next; |
| 418 | if (list->next) list->next->prev = 0; |
| 419 | } |
| 420 | else |
| 421 | { |
| 422 | node->prev->next = node->next; |
| 423 | if (node->next) node->next->prev = node->prev; |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | /* Allocate and return a utf8 version of STR. If STR is already |
| 428 | utf8 or NULL, just return STR. |
| 429 | If not, a new string is allocated and the caller must free the result |
| 430 | with g_free. */ |
| 431 | |
| 432 | static char * |
| 433 | get_utf8_string (char *str) |
| 434 | { |
| 435 | char *utf8_str = str; |
| 436 | |
| 437 | if (!str) return NULL; |
| 438 | |
| 439 | /* If not UTF-8, try current locale. */ |
| 440 | if (!g_utf8_validate (str, -1, NULL)) |
| 441 | utf8_str = g_locale_to_utf8 (str, -1, 0, 0, 0); |
| 442 | |
| 443 | if (!utf8_str) |
| 444 | { |
| 445 | /* Probably some control characters in str. Escape them. */ |
| 446 | size_t nr_bad = 0; |
| 447 | gsize bytes_read; |
| 448 | gsize bytes_written; |
| 449 | unsigned char *p = (unsigned char *)str; |
| 450 | char *cp, *up; |
| 451 | GError *error = NULL; |
| 452 | |
| 453 | while (! (cp = g_locale_to_utf8 ((char *)p, -1, &bytes_read, |
| 454 | &bytes_written, &error)) |
| 455 | && error->code == G_CONVERT_ERROR_ILLEGAL_SEQUENCE) |
| 456 | { |
| 457 | ++nr_bad; |
| 458 | p += bytes_written+1; |
| 459 | g_error_free (error); |
| 460 | error = NULL; |
| 461 | } |
| 462 | |
| 463 | if (error) |
| 464 | { |
| 465 | g_error_free (error); |
| 466 | error = NULL; |
| 467 | } |
| 468 | if (cp) g_free (cp); |
| 469 | |
| 470 | up = utf8_str = xmalloc (strlen (str) + nr_bad * 4 + 1); |
| 471 | p = (unsigned char *)str; |
| 472 | |
| 473 | while (! (cp = g_locale_to_utf8 ((char *)p, -1, &bytes_read, |
| 474 | &bytes_written, &error)) |
| 475 | && error->code == G_CONVERT_ERROR_ILLEGAL_SEQUENCE) |
| 476 | { |
| 477 | strncpy (up, (char *)p, bytes_written); |
| 478 | sprintf (up + bytes_written, "\\%03o", p[bytes_written]); |
| 479 | up[bytes_written+4] = '\0'; |
| 480 | up += bytes_written+4; |
| 481 | p += bytes_written+1; |
| 482 | g_error_free (error); |
| 483 | error = NULL; |
| 484 | } |
| 485 | |
| 486 | if (cp) |
| 487 | { |
| 488 | strcat (utf8_str, cp); |
| 489 | g_free (cp); |
| 490 | } |
| 491 | if (error) |
| 492 | { |
| 493 | g_error_free (error); |
| 494 | error = NULL; |
| 495 | } |
| 496 | } |
| 497 | return utf8_str; |
| 498 | } |
| 499 | |
| 500 | |
| 501 | \f |
| 502 | /*********************************************************************** |
| 503 | General functions for creating widgets, resizing, events, e.t.c. |
| 504 | ***********************************************************************/ |
| 505 | |
| 506 | /* Make a geometry string and pass that to GTK. It seems this is the |
| 507 | only way to get geometry position right if the user explicitly |
| 508 | asked for a position when starting Emacs. |
| 509 | F is the frame we shall set geometry for. */ |
| 510 | |
| 511 | static void |
| 512 | xg_set_geometry (FRAME_PTR f) |
| 513 | { |
| 514 | if (f->size_hint_flags & (USPosition | PPosition)) |
| 515 | { |
| 516 | int left = f->left_pos; |
| 517 | int xneg = f->size_hint_flags & XNegative; |
| 518 | int top = f->top_pos; |
| 519 | int yneg = f->size_hint_flags & YNegative; |
| 520 | char geom_str[32]; |
| 521 | |
| 522 | if (xneg) |
| 523 | left = -left; |
| 524 | if (yneg) |
| 525 | top = -top; |
| 526 | |
| 527 | sprintf (geom_str, "=%dx%d%c%d%c%d", |
| 528 | FRAME_PIXEL_WIDTH (f), |
| 529 | FRAME_PIXEL_HEIGHT (f), |
| 530 | (xneg ? '-' : '+'), left, |
| 531 | (yneg ? '-' : '+'), top); |
| 532 | |
| 533 | if (!gtk_window_parse_geometry (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), |
| 534 | geom_str)) |
| 535 | fprintf (stderr, "Failed to parse: '%s'\n", geom_str); |
| 536 | } |
| 537 | } |
| 538 | |
| 539 | /* Clear under internal border if any. As we use a mix of Gtk+ and X calls |
| 540 | and use a GtkFixed widget, this doesn't happen automatically. */ |
| 541 | |
| 542 | static void |
| 543 | xg_clear_under_internal_border (FRAME_PTR f) |
| 544 | { |
| 545 | if (FRAME_INTERNAL_BORDER_WIDTH (f) > 0) |
| 546 | { |
| 547 | GtkWidget *wfixed = f->output_data.x->edit_widget; |
| 548 | gtk_widget_queue_draw (wfixed); |
| 549 | gdk_window_process_all_updates (); |
| 550 | x_clear_area (FRAME_X_DISPLAY (f), |
| 551 | FRAME_X_WINDOW (f), |
| 552 | 0, 0, |
| 553 | FRAME_PIXEL_WIDTH (f), |
| 554 | FRAME_INTERNAL_BORDER_WIDTH (f), 0); |
| 555 | x_clear_area (FRAME_X_DISPLAY (f), |
| 556 | FRAME_X_WINDOW (f), |
| 557 | 0, 0, |
| 558 | FRAME_INTERNAL_BORDER_WIDTH (f), |
| 559 | FRAME_PIXEL_HEIGHT (f), 0); |
| 560 | x_clear_area (FRAME_X_DISPLAY (f), |
| 561 | FRAME_X_WINDOW (f), |
| 562 | 0, FRAME_PIXEL_HEIGHT (f) - FRAME_INTERNAL_BORDER_WIDTH (f), |
| 563 | FRAME_PIXEL_WIDTH (f), |
| 564 | FRAME_INTERNAL_BORDER_WIDTH (f), 0); |
| 565 | x_clear_area (FRAME_X_DISPLAY (f), |
| 566 | FRAME_X_WINDOW (f), |
| 567 | FRAME_PIXEL_WIDTH (f) - FRAME_INTERNAL_BORDER_WIDTH (f), |
| 568 | 0, |
| 569 | FRAME_INTERNAL_BORDER_WIDTH (f), |
| 570 | FRAME_PIXEL_HEIGHT (f), 0); |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | /* Function to handle resize of our frame. As we have a Gtk+ tool bar |
| 575 | and a Gtk+ menu bar, we get resize events for the edit part of the |
| 576 | frame only. We let Gtk+ deal with the Gtk+ parts. |
| 577 | F is the frame to resize. |
| 578 | PIXELWIDTH, PIXELHEIGHT is the new size in pixels. */ |
| 579 | |
| 580 | void |
| 581 | xg_frame_resized (FRAME_PTR f, int pixelwidth, int pixelheight) |
| 582 | { |
| 583 | int rows, columns; |
| 584 | |
| 585 | if (pixelwidth == -1 && pixelheight == -1) |
| 586 | { |
| 587 | if (FRAME_GTK_WIDGET (f) && gtk_widget_get_mapped (FRAME_GTK_WIDGET (f))) |
| 588 | gdk_window_get_geometry (gtk_widget_get_window (FRAME_GTK_WIDGET (f)), |
| 589 | 0, 0, |
| 590 | &pixelwidth, &pixelheight, 0); |
| 591 | else return; |
| 592 | } |
| 593 | |
| 594 | |
| 595 | rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, pixelheight); |
| 596 | columns = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pixelwidth); |
| 597 | |
| 598 | if (columns != FRAME_COLS (f) |
| 599 | || rows != FRAME_LINES (f) |
| 600 | || pixelwidth != FRAME_PIXEL_WIDTH (f) |
| 601 | || pixelheight != FRAME_PIXEL_HEIGHT (f)) |
| 602 | { |
| 603 | FRAME_PIXEL_WIDTH (f) = pixelwidth; |
| 604 | FRAME_PIXEL_HEIGHT (f) = pixelheight; |
| 605 | |
| 606 | xg_clear_under_internal_border (f); |
| 607 | change_frame_size (f, rows, columns, 0, 1, 0); |
| 608 | SET_FRAME_GARBAGED (f); |
| 609 | cancel_mouse_face (f); |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | /* Resize the outer window of frame F after chainging the height. |
| 614 | COLUMNS/ROWS is the size the edit area shall have after the resize. */ |
| 615 | |
| 616 | void |
| 617 | xg_frame_set_char_size (FRAME_PTR f, int cols, int rows) |
| 618 | { |
| 619 | int pixelheight = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, rows) |
| 620 | + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f); |
| 621 | int pixelwidth; |
| 622 | |
| 623 | if (FRAME_PIXEL_HEIGHT (f) == 0) |
| 624 | return; |
| 625 | |
| 626 | /* Take into account the size of the scroll bar. Always use the |
| 627 | number of columns occupied by the scroll bar here otherwise we |
| 628 | might end up with a frame width that is not a multiple of the |
| 629 | frame's character width which is bad for vertically split |
| 630 | windows. */ |
| 631 | f->scroll_bar_actual_width |
| 632 | = FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f); |
| 633 | |
| 634 | compute_fringe_widths (f, 0); |
| 635 | |
| 636 | /* FRAME_TEXT_COLS_TO_PIXEL_WIDTH uses scroll_bar_actual_width, so call it |
| 637 | after calculating that value. */ |
| 638 | pixelwidth = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, cols); |
| 639 | |
| 640 | |
| 641 | /* Do this before resize, as we don't know yet if we will be resized. */ |
| 642 | xg_clear_under_internal_border (f); |
| 643 | |
| 644 | /* Must resize our top level widget. Font size may have changed, |
| 645 | but not rows/cols. */ |
| 646 | gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), |
| 647 | pixelwidth, pixelheight); |
| 648 | x_wm_set_size_hint (f, 0, 0); |
| 649 | |
| 650 | SET_FRAME_GARBAGED (f); |
| 651 | cancel_mouse_face (f); |
| 652 | |
| 653 | /* We can not call change_frame_size for a mapped frame, |
| 654 | we can not set pixel width/height either. The window manager may |
| 655 | override our resize request, XMonad does this all the time. |
| 656 | The best we can do is try to sync, so lisp code sees the updated |
| 657 | size as fast as possible. |
| 658 | For unmapped windows, we can set rows/cols. When |
| 659 | the frame is mapped again we will (hopefully) get the correct size. */ |
| 660 | if (f->async_visible) |
| 661 | { |
| 662 | /* Must call this to flush out events */ |
| 663 | (void)gtk_events_pending (); |
| 664 | gdk_flush (); |
| 665 | x_wait_for_event (f, ConfigureNotify); |
| 666 | } |
| 667 | else |
| 668 | { |
| 669 | change_frame_size (f, rows, cols, 0, 1, 0); |
| 670 | FRAME_PIXEL_WIDTH (f) = pixelwidth; |
| 671 | FRAME_PIXEL_HEIGHT (f) = pixelheight; |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | /* Handle height changes (i.e. add/remove menu/toolbar). |
| 676 | The policy is to keep the number of editable lines. */ |
| 677 | |
| 678 | static void |
| 679 | xg_height_changed (FRAME_PTR f) |
| 680 | { |
| 681 | gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), |
| 682 | FRAME_PIXEL_WIDTH (f), FRAME_TOTAL_PIXEL_HEIGHT (f)); |
| 683 | f->output_data.x->hint_flags = 0; |
| 684 | x_wm_set_size_hint (f, 0, 0); |
| 685 | } |
| 686 | |
| 687 | /* Convert an X Window WSESC on display DPY to its corresponding GtkWidget. |
| 688 | Must be done like this, because GtkWidget:s can have "hidden" |
| 689 | X Window that aren't accessible. |
| 690 | |
| 691 | Return 0 if no widget match WDESC. */ |
| 692 | |
| 693 | GtkWidget * |
| 694 | xg_win_to_widget (Display *dpy, Window wdesc) |
| 695 | { |
| 696 | gpointer gdkwin; |
| 697 | GtkWidget *gwdesc = 0; |
| 698 | |
| 699 | BLOCK_INPUT; |
| 700 | |
| 701 | gdkwin = gdk_xid_table_lookup_for_display (gdk_x11_lookup_xdisplay (dpy), |
| 702 | wdesc); |
| 703 | if (gdkwin) |
| 704 | { |
| 705 | GdkEvent event; |
| 706 | event.any.window = gdkwin; |
| 707 | gwdesc = gtk_get_event_widget (&event); |
| 708 | } |
| 709 | |
| 710 | UNBLOCK_INPUT; |
| 711 | return gwdesc; |
| 712 | } |
| 713 | |
| 714 | /* Fill in the GdkColor C so that it represents PIXEL. |
| 715 | W is the widget that color will be used for. Used to find colormap. */ |
| 716 | |
| 717 | static void |
| 718 | xg_pix_to_gcolor (GtkWidget *w, long unsigned int pixel, GdkColor *c) |
| 719 | { |
| 720 | GdkColormap *map = gtk_widget_get_colormap (w); |
| 721 | gdk_colormap_query_color (map, pixel, c); |
| 722 | } |
| 723 | |
| 724 | /* Create and set up the GTK widgets for frame F. |
| 725 | Return 0 if creation failed, non-zero otherwise. */ |
| 726 | |
| 727 | int |
| 728 | xg_create_frame_widgets (FRAME_PTR f) |
| 729 | { |
| 730 | GtkWidget *wtop; |
| 731 | GtkWidget *wvbox; |
| 732 | GtkWidget *wfixed; |
| 733 | GdkColor bg; |
| 734 | GtkRcStyle *style; |
| 735 | char *title = 0; |
| 736 | |
| 737 | BLOCK_INPUT; |
| 738 | |
| 739 | if (FRAME_X_EMBEDDED_P (f)) |
| 740 | wtop = gtk_plug_new (f->output_data.x->parent_desc); |
| 741 | else |
| 742 | wtop = gtk_window_new (GTK_WINDOW_TOPLEVEL); |
| 743 | |
| 744 | xg_set_screen (wtop, f); |
| 745 | |
| 746 | wvbox = gtk_vbox_new (FALSE, 0); |
| 747 | wfixed = gtk_fixed_new (); /* Must have this to place scroll bars */ |
| 748 | |
| 749 | if (! wtop || ! wvbox || ! wfixed) |
| 750 | { |
| 751 | if (wtop) gtk_widget_destroy (wtop); |
| 752 | if (wvbox) gtk_widget_destroy (wvbox); |
| 753 | if (wfixed) gtk_widget_destroy (wfixed); |
| 754 | |
| 755 | UNBLOCK_INPUT; |
| 756 | return 0; |
| 757 | } |
| 758 | |
| 759 | /* Use same names as the Xt port does. I.e. Emacs.pane.emacs by default */ |
| 760 | gtk_widget_set_name (wtop, EMACS_CLASS); |
| 761 | gtk_widget_set_name (wvbox, "pane"); |
| 762 | gtk_widget_set_name (wfixed, SSDATA (Vx_resource_name)); |
| 763 | |
| 764 | /* If this frame has a title or name, set it in the title bar. */ |
| 765 | if (! NILP (f->title)) title = SSDATA (ENCODE_UTF_8 (f->title)); |
| 766 | else if (! NILP (f->name)) title = SSDATA (ENCODE_UTF_8 (f->name)); |
| 767 | |
| 768 | if (title) gtk_window_set_title (GTK_WINDOW (wtop), title); |
| 769 | |
| 770 | FRAME_GTK_OUTER_WIDGET (f) = wtop; |
| 771 | FRAME_GTK_WIDGET (f) = wfixed; |
| 772 | f->output_data.x->vbox_widget = wvbox; |
| 773 | |
| 774 | gtk_widget_set_has_window (wfixed, TRUE); |
| 775 | |
| 776 | gtk_container_add (GTK_CONTAINER (wtop), wvbox); |
| 777 | gtk_box_pack_end (GTK_BOX (wvbox), wfixed, TRUE, TRUE, 0); |
| 778 | |
| 779 | if (FRAME_EXTERNAL_TOOL_BAR (f)) |
| 780 | update_frame_tool_bar (f); |
| 781 | |
| 782 | /* We don't want this widget double buffered, because we draw on it |
| 783 | with regular X drawing primitives, so from a GTK/GDK point of |
| 784 | view, the widget is totally blank. When an expose comes, this |
| 785 | will make the widget blank, and then Emacs redraws it. This flickers |
| 786 | a lot, so we turn off double buffering. */ |
| 787 | gtk_widget_set_double_buffered (wfixed, FALSE); |
| 788 | |
| 789 | gtk_window_set_wmclass (GTK_WINDOW (wtop), |
| 790 | SSDATA (Vx_resource_name), |
| 791 | SSDATA (Vx_resource_class)); |
| 792 | |
| 793 | /* Add callback to do nothing on WM_DELETE_WINDOW. The default in |
| 794 | GTK is to destroy the widget. We want Emacs to do that instead. */ |
| 795 | g_signal_connect (G_OBJECT (wtop), "delete-event", |
| 796 | G_CALLBACK (gtk_true), 0); |
| 797 | |
| 798 | /* Convert our geometry parameters into a geometry string |
| 799 | and specify it. |
| 800 | GTK will itself handle calculating the real position this way. */ |
| 801 | xg_set_geometry (f); |
| 802 | f->win_gravity |
| 803 | = gtk_window_get_gravity (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f))); |
| 804 | |
| 805 | gtk_widget_add_events (wfixed, |
| 806 | GDK_POINTER_MOTION_MASK |
| 807 | | GDK_EXPOSURE_MASK |
| 808 | | GDK_BUTTON_PRESS_MASK |
| 809 | | GDK_BUTTON_RELEASE_MASK |
| 810 | | GDK_KEY_PRESS_MASK |
| 811 | | GDK_ENTER_NOTIFY_MASK |
| 812 | | GDK_LEAVE_NOTIFY_MASK |
| 813 | | GDK_FOCUS_CHANGE_MASK |
| 814 | | GDK_STRUCTURE_MASK |
| 815 | | GDK_VISIBILITY_NOTIFY_MASK); |
| 816 | |
| 817 | /* Must realize the windows so the X window gets created. It is used |
| 818 | by callers of this function. */ |
| 819 | gtk_widget_realize (wfixed); |
| 820 | FRAME_X_WINDOW (f) = GTK_WIDGET_TO_X_WIN (wfixed); |
| 821 | |
| 822 | /* Since GTK clears its window by filling with the background color, |
| 823 | we must keep X and GTK background in sync. */ |
| 824 | xg_pix_to_gcolor (wfixed, FRAME_BACKGROUND_PIXEL (f), &bg); |
| 825 | gtk_widget_modify_bg (wfixed, GTK_STATE_NORMAL, &bg); |
| 826 | |
| 827 | /* Also, do not let any background pixmap to be set, this looks very |
| 828 | bad as Emacs overwrites the background pixmap with its own idea |
| 829 | of background color. */ |
| 830 | style = gtk_widget_get_modifier_style (wfixed); |
| 831 | |
| 832 | /* Must use g_strdup because gtk_widget_modify_style does g_free. */ |
| 833 | style->bg_pixmap_name[GTK_STATE_NORMAL] = g_strdup ("<none>"); |
| 834 | gtk_widget_modify_style (wfixed, style); |
| 835 | |
| 836 | /* GTK does not set any border, and they look bad with GTK. */ |
| 837 | /* That they look bad is no excuse for imposing this here. --Stef |
| 838 | It should be done by providing the proper default in Fx_create_Frame. |
| 839 | f->border_width = 0; |
| 840 | f->internal_border_width = 0; */ |
| 841 | |
| 842 | UNBLOCK_INPUT; |
| 843 | |
| 844 | return 1; |
| 845 | } |
| 846 | |
| 847 | /* Set the normal size hints for the window manager, for frame F. |
| 848 | FLAGS is the flags word to use--or 0 meaning preserve the flags |
| 849 | that the window now has. |
| 850 | If USER_POSITION is nonzero, we set the User Position |
| 851 | flag (this is useful when FLAGS is 0). */ |
| 852 | |
| 853 | void |
| 854 | x_wm_set_size_hint (FRAME_PTR f, long int flags, int user_position) |
| 855 | { |
| 856 | /* Must use GTK routines here, otherwise GTK resets the size hints |
| 857 | to its own defaults. */ |
| 858 | GdkGeometry size_hints; |
| 859 | gint hint_flags = 0; |
| 860 | int base_width, base_height; |
| 861 | int min_rows = 0, min_cols = 0; |
| 862 | int win_gravity = f->win_gravity; |
| 863 | |
| 864 | /* Don't set size hints during initialization; that apparently leads |
| 865 | to a race condition. See the thread at |
| 866 | http://lists.gnu.org/archive/html/emacs-devel/2008-10/msg00033.html */ |
| 867 | if (NILP (Vafter_init_time) || !FRAME_GTK_OUTER_WIDGET (f)) |
| 868 | return; |
| 869 | |
| 870 | if (flags) |
| 871 | { |
| 872 | memset (&size_hints, 0, sizeof (size_hints)); |
| 873 | f->output_data.x->size_hints = size_hints; |
| 874 | f->output_data.x->hint_flags = hint_flags; |
| 875 | } |
| 876 | else |
| 877 | flags = f->size_hint_flags; |
| 878 | |
| 879 | size_hints = f->output_data.x->size_hints; |
| 880 | hint_flags = f->output_data.x->hint_flags; |
| 881 | |
| 882 | hint_flags |= GDK_HINT_RESIZE_INC | GDK_HINT_MIN_SIZE; |
| 883 | size_hints.width_inc = FRAME_COLUMN_WIDTH (f); |
| 884 | size_hints.height_inc = FRAME_LINE_HEIGHT (f); |
| 885 | |
| 886 | hint_flags |= GDK_HINT_BASE_SIZE; |
| 887 | base_width = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, 0); |
| 888 | base_height = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, 0) |
| 889 | + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f); |
| 890 | |
| 891 | check_frame_size (f, &min_rows, &min_cols); |
| 892 | |
| 893 | size_hints.base_width = base_width; |
| 894 | size_hints.base_height = base_height; |
| 895 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; |
| 896 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; |
| 897 | |
| 898 | /* These currently have a one to one mapping with the X values, but I |
| 899 | don't think we should rely on that. */ |
| 900 | hint_flags |= GDK_HINT_WIN_GRAVITY; |
| 901 | size_hints.win_gravity = 0; |
| 902 | if (win_gravity == NorthWestGravity) |
| 903 | size_hints.win_gravity = GDK_GRAVITY_NORTH_WEST; |
| 904 | else if (win_gravity == NorthGravity) |
| 905 | size_hints.win_gravity = GDK_GRAVITY_NORTH; |
| 906 | else if (win_gravity == NorthEastGravity) |
| 907 | size_hints.win_gravity = GDK_GRAVITY_NORTH_EAST; |
| 908 | else if (win_gravity == WestGravity) |
| 909 | size_hints.win_gravity = GDK_GRAVITY_WEST; |
| 910 | else if (win_gravity == CenterGravity) |
| 911 | size_hints.win_gravity = GDK_GRAVITY_CENTER; |
| 912 | else if (win_gravity == EastGravity) |
| 913 | size_hints.win_gravity = GDK_GRAVITY_EAST; |
| 914 | else if (win_gravity == SouthWestGravity) |
| 915 | size_hints.win_gravity = GDK_GRAVITY_SOUTH_WEST; |
| 916 | else if (win_gravity == SouthGravity) |
| 917 | size_hints.win_gravity = GDK_GRAVITY_SOUTH; |
| 918 | else if (win_gravity == SouthEastGravity) |
| 919 | size_hints.win_gravity = GDK_GRAVITY_SOUTH_EAST; |
| 920 | else if (win_gravity == StaticGravity) |
| 921 | size_hints.win_gravity = GDK_GRAVITY_STATIC; |
| 922 | |
| 923 | if (user_position) |
| 924 | { |
| 925 | hint_flags &= ~GDK_HINT_POS; |
| 926 | hint_flags |= GDK_HINT_USER_POS; |
| 927 | } |
| 928 | |
| 929 | if (hint_flags != f->output_data.x->hint_flags |
| 930 | || memcmp (&size_hints, |
| 931 | &f->output_data.x->size_hints, |
| 932 | sizeof (size_hints)) != 0) |
| 933 | { |
| 934 | BLOCK_INPUT; |
| 935 | gtk_window_set_geometry_hints (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), |
| 936 | NULL, &size_hints, hint_flags); |
| 937 | f->output_data.x->size_hints = size_hints; |
| 938 | f->output_data.x->hint_flags = hint_flags; |
| 939 | UNBLOCK_INPUT; |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | /* Change background color of a frame. |
| 944 | Since GTK uses the background color to clear the window, we must |
| 945 | keep the GTK and X colors in sync. |
| 946 | F is the frame to change, |
| 947 | BG is the pixel value to change to. */ |
| 948 | |
| 949 | void |
| 950 | xg_set_background_color (FRAME_PTR f, long unsigned int bg) |
| 951 | { |
| 952 | if (FRAME_GTK_WIDGET (f)) |
| 953 | { |
| 954 | GdkColor gdk_bg; |
| 955 | |
| 956 | BLOCK_INPUT; |
| 957 | xg_pix_to_gcolor (FRAME_GTK_WIDGET (f), bg, &gdk_bg); |
| 958 | gtk_widget_modify_bg (FRAME_GTK_WIDGET (f), GTK_STATE_NORMAL, &gdk_bg); |
| 959 | UNBLOCK_INPUT; |
| 960 | } |
| 961 | } |
| 962 | |
| 963 | |
| 964 | /* Set the frame icon to ICON_PIXMAP/MASK. This must be done with GTK |
| 965 | functions so GTK does not overwrite the icon. */ |
| 966 | |
| 967 | void |
| 968 | xg_set_frame_icon (FRAME_PTR f, Pixmap icon_pixmap, Pixmap icon_mask) |
| 969 | { |
| 970 | GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f)); |
| 971 | GdkPixmap *gpix = gdk_pixmap_foreign_new_for_display (gdpy, icon_pixmap); |
| 972 | GdkPixmap *gmask = gdk_pixmap_foreign_new_for_display (gdpy, icon_mask); |
| 973 | GdkPixbuf *gp = xg_get_pixbuf_from_pix_and_mask (gpix, gmask, NULL); |
| 974 | |
| 975 | gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), gp); |
| 976 | } |
| 977 | |
| 978 | |
| 979 | \f |
| 980 | /*********************************************************************** |
| 981 | Dialog functions |
| 982 | ***********************************************************************/ |
| 983 | /* Return the dialog title to use for a dialog of type KEY. |
| 984 | This is the encoding used by lwlib. We use the same for GTK. */ |
| 985 | |
| 986 | static char * |
| 987 | get_dialog_title (char key) |
| 988 | { |
| 989 | char *title = ""; |
| 990 | |
| 991 | switch (key) { |
| 992 | case 'E': case 'e': |
| 993 | title = "Error"; |
| 994 | break; |
| 995 | |
| 996 | case 'I': case 'i': |
| 997 | title = "Information"; |
| 998 | break; |
| 999 | |
| 1000 | case 'L': case 'l': |
| 1001 | title = "Prompt"; |
| 1002 | break; |
| 1003 | |
| 1004 | case 'P': case 'p': |
| 1005 | title = "Prompt"; |
| 1006 | break; |
| 1007 | |
| 1008 | case 'Q': case 'q': |
| 1009 | title = "Question"; |
| 1010 | break; |
| 1011 | } |
| 1012 | |
| 1013 | return title; |
| 1014 | } |
| 1015 | |
| 1016 | /* Callback for dialogs that get WM_DELETE_WINDOW. We pop down |
| 1017 | the dialog, but return TRUE so the event does not propagate further |
| 1018 | in GTK. This prevents GTK from destroying the dialog widget automatically |
| 1019 | and we can always destrou the widget manually, regardles of how |
| 1020 | it was popped down (button press or WM_DELETE_WINDOW). |
| 1021 | W is the dialog widget. |
| 1022 | EVENT is the GdkEvent that represents WM_DELETE_WINDOW (not used). |
| 1023 | user_data is NULL (not used). |
| 1024 | |
| 1025 | Returns TRUE to end propagation of event. */ |
| 1026 | |
| 1027 | static gboolean |
| 1028 | dialog_delete_callback (GtkWidget *w, GdkEvent *event, gpointer user_data) |
| 1029 | { |
| 1030 | gtk_widget_unmap (w); |
| 1031 | return TRUE; |
| 1032 | } |
| 1033 | |
| 1034 | /* Create a popup dialog window. See also xg_create_widget below. |
| 1035 | WV is a widget_value describing the dialog. |
| 1036 | SELECT_CB is the callback to use when a button has been pressed. |
| 1037 | DEACTIVATE_CB is the callback to use when the dialog pops down. |
| 1038 | |
| 1039 | Returns the GTK dialog widget. */ |
| 1040 | |
| 1041 | static GtkWidget * |
| 1042 | create_dialog (widget_value *wv, GCallback select_cb, GCallback deactivate_cb) |
| 1043 | { |
| 1044 | char *title = get_dialog_title (wv->name[0]); |
| 1045 | int total_buttons = wv->name[1] - '0'; |
| 1046 | int right_buttons = wv->name[4] - '0'; |
| 1047 | int left_buttons; |
| 1048 | int button_nr = 0; |
| 1049 | int button_spacing = 10; |
| 1050 | GtkWidget *wdialog = gtk_dialog_new (); |
| 1051 | GtkDialog *wd = GTK_DIALOG (wdialog); |
| 1052 | GtkBox *cur_box = GTK_BOX (gtk_dialog_get_action_area (wd)); |
| 1053 | widget_value *item; |
| 1054 | GtkWidget *wvbox; |
| 1055 | GtkWidget *whbox_up; |
| 1056 | GtkWidget *whbox_down; |
| 1057 | |
| 1058 | /* If the number of buttons is greater than 4, make two rows of buttons |
| 1059 | instead. This looks better. */ |
| 1060 | int make_two_rows = total_buttons > 4; |
| 1061 | |
| 1062 | if (right_buttons == 0) right_buttons = total_buttons/2; |
| 1063 | left_buttons = total_buttons - right_buttons; |
| 1064 | |
| 1065 | gtk_window_set_title (GTK_WINDOW (wdialog), title); |
| 1066 | gtk_widget_set_name (wdialog, "emacs-dialog"); |
| 1067 | |
| 1068 | |
| 1069 | if (make_two_rows) |
| 1070 | { |
| 1071 | wvbox = gtk_vbox_new (TRUE, button_spacing); |
| 1072 | whbox_up = gtk_hbox_new (FALSE, 0); |
| 1073 | whbox_down = gtk_hbox_new (FALSE, 0); |
| 1074 | |
| 1075 | gtk_box_pack_start (cur_box, wvbox, FALSE, FALSE, 0); |
| 1076 | gtk_box_pack_start (GTK_BOX (wvbox), whbox_up, FALSE, FALSE, 0); |
| 1077 | gtk_box_pack_start (GTK_BOX (wvbox), whbox_down, FALSE, FALSE, 0); |
| 1078 | |
| 1079 | cur_box = GTK_BOX (whbox_up); |
| 1080 | } |
| 1081 | |
| 1082 | g_signal_connect (G_OBJECT (wdialog), "delete-event", |
| 1083 | G_CALLBACK (dialog_delete_callback), 0); |
| 1084 | |
| 1085 | if (deactivate_cb) |
| 1086 | { |
| 1087 | g_signal_connect (G_OBJECT (wdialog), "close", deactivate_cb, 0); |
| 1088 | g_signal_connect (G_OBJECT (wdialog), "response", deactivate_cb, 0); |
| 1089 | } |
| 1090 | |
| 1091 | for (item = wv->contents; item; item = item->next) |
| 1092 | { |
| 1093 | char *utf8_label = get_utf8_string (item->value); |
| 1094 | GtkWidget *w; |
| 1095 | GtkRequisition req; |
| 1096 | |
| 1097 | if (item->name && strcmp (item->name, "message") == 0) |
| 1098 | { |
| 1099 | GtkBox *wvbox = GTK_BOX (gtk_dialog_get_content_area (wd)); |
| 1100 | /* This is the text part of the dialog. */ |
| 1101 | w = gtk_label_new (utf8_label); |
| 1102 | gtk_box_pack_start (wvbox, gtk_label_new (""), FALSE, FALSE, 0); |
| 1103 | gtk_box_pack_start (wvbox, w, TRUE, TRUE, 0); |
| 1104 | gtk_misc_set_alignment (GTK_MISC (w), 0.1, 0.5); |
| 1105 | |
| 1106 | /* Try to make dialog look better. Must realize first so |
| 1107 | the widget can calculate the size it needs. */ |
| 1108 | gtk_widget_realize (w); |
| 1109 | gtk_widget_size_request (w, &req); |
| 1110 | gtk_box_set_spacing (wvbox, req.height); |
| 1111 | if (item->value && strlen (item->value) > 0) |
| 1112 | button_spacing = 2*req.width/strlen (item->value); |
| 1113 | } |
| 1114 | else |
| 1115 | { |
| 1116 | /* This is one button to add to the dialog. */ |
| 1117 | w = gtk_button_new_with_label (utf8_label); |
| 1118 | if (! item->enabled) |
| 1119 | gtk_widget_set_sensitive (w, FALSE); |
| 1120 | if (select_cb) |
| 1121 | g_signal_connect (G_OBJECT (w), "clicked", |
| 1122 | select_cb, item->call_data); |
| 1123 | |
| 1124 | gtk_box_pack_start (cur_box, w, TRUE, TRUE, button_spacing); |
| 1125 | if (++button_nr == left_buttons) |
| 1126 | { |
| 1127 | if (make_two_rows) |
| 1128 | cur_box = GTK_BOX (whbox_down); |
| 1129 | else |
| 1130 | gtk_box_pack_start (cur_box, |
| 1131 | gtk_label_new (""), |
| 1132 | TRUE, TRUE, |
| 1133 | button_spacing); |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | if (utf8_label && utf8_label != item->value) |
| 1138 | g_free (utf8_label); |
| 1139 | } |
| 1140 | |
| 1141 | return wdialog; |
| 1142 | } |
| 1143 | |
| 1144 | struct xg_dialog_data |
| 1145 | { |
| 1146 | GMainLoop *loop; |
| 1147 | int response; |
| 1148 | GtkWidget *w; |
| 1149 | guint timerid; |
| 1150 | }; |
| 1151 | |
| 1152 | /* Function that is called when the file or font dialogs pop down. |
| 1153 | W is the dialog widget, RESPONSE is the response code. |
| 1154 | USER_DATA is what we passed in to g_signal_connect. */ |
| 1155 | |
| 1156 | static void |
| 1157 | xg_dialog_response_cb (w, |
| 1158 | response, |
| 1159 | user_data) |
| 1160 | GtkDialog *w; |
| 1161 | gint response; |
| 1162 | gpointer user_data; |
| 1163 | { |
| 1164 | struct xg_dialog_data *dd = (struct xg_dialog_data *)user_data; |
| 1165 | dd->response = response; |
| 1166 | g_main_loop_quit (dd->loop); |
| 1167 | } |
| 1168 | |
| 1169 | |
| 1170 | /* Destroy the dialog. This makes it pop down. */ |
| 1171 | |
| 1172 | static Lisp_Object |
| 1173 | pop_down_dialog (Lisp_Object arg) |
| 1174 | { |
| 1175 | struct Lisp_Save_Value *p = XSAVE_VALUE (arg); |
| 1176 | struct xg_dialog_data *dd = (struct xg_dialog_data *) p->pointer; |
| 1177 | |
| 1178 | BLOCK_INPUT; |
| 1179 | if (dd->w) gtk_widget_destroy (dd->w); |
| 1180 | if (dd->timerid != 0) g_source_remove (dd->timerid); |
| 1181 | |
| 1182 | g_main_loop_quit (dd->loop); |
| 1183 | g_main_loop_unref (dd->loop); |
| 1184 | |
| 1185 | UNBLOCK_INPUT; |
| 1186 | |
| 1187 | return Qnil; |
| 1188 | } |
| 1189 | |
| 1190 | /* If there are any emacs timers pending, add a timeout to main loop in DATA. |
| 1191 | We pass in DATA as gpointer* so we can use this as a callback. */ |
| 1192 | |
| 1193 | static gboolean |
| 1194 | xg_maybe_add_timer (gpointer data) |
| 1195 | { |
| 1196 | struct xg_dialog_data *dd = (struct xg_dialog_data *) data; |
| 1197 | EMACS_TIME next_time = timer_check (1); |
| 1198 | long secs = EMACS_SECS (next_time); |
| 1199 | long usecs = EMACS_USECS (next_time); |
| 1200 | |
| 1201 | dd->timerid = 0; |
| 1202 | |
| 1203 | if (secs >= 0 && usecs >= 0 && secs < ((guint)-1)/1000) |
| 1204 | { |
| 1205 | dd->timerid = g_timeout_add (secs * 1000 + usecs/1000, |
| 1206 | xg_maybe_add_timer, |
| 1207 | dd); |
| 1208 | } |
| 1209 | return FALSE; |
| 1210 | } |
| 1211 | |
| 1212 | |
| 1213 | /* Pops up a modal dialog W and waits for response. |
| 1214 | We don't use gtk_dialog_run because we want to process emacs timers. |
| 1215 | The dialog W is not destroyed when this function returns. */ |
| 1216 | |
| 1217 | static int |
| 1218 | xg_dialog_run (FRAME_PTR f, GtkWidget *w) |
| 1219 | { |
| 1220 | int count = SPECPDL_INDEX (); |
| 1221 | struct xg_dialog_data dd; |
| 1222 | |
| 1223 | xg_set_screen (w, f); |
| 1224 | gtk_window_set_transient_for (GTK_WINDOW (w), |
| 1225 | GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f))); |
| 1226 | gtk_window_set_destroy_with_parent (GTK_WINDOW (w), TRUE); |
| 1227 | gtk_window_set_modal (GTK_WINDOW (w), TRUE); |
| 1228 | |
| 1229 | dd.loop = g_main_loop_new (NULL, FALSE); |
| 1230 | dd.response = GTK_RESPONSE_CANCEL; |
| 1231 | dd.w = w; |
| 1232 | dd.timerid = 0; |
| 1233 | |
| 1234 | g_signal_connect (G_OBJECT (w), |
| 1235 | "response", |
| 1236 | G_CALLBACK (xg_dialog_response_cb), |
| 1237 | &dd); |
| 1238 | /* Don't destroy the widget if closed by the window manager close button. */ |
| 1239 | g_signal_connect (G_OBJECT (w), "delete-event", G_CALLBACK (gtk_true), NULL); |
| 1240 | gtk_widget_show (w); |
| 1241 | |
| 1242 | record_unwind_protect (pop_down_dialog, make_save_value (&dd, 0)); |
| 1243 | |
| 1244 | (void) xg_maybe_add_timer (&dd); |
| 1245 | g_main_loop_run (dd.loop); |
| 1246 | |
| 1247 | dd.w = 0; |
| 1248 | unbind_to (count, Qnil); |
| 1249 | |
| 1250 | return dd.response; |
| 1251 | } |
| 1252 | |
| 1253 | \f |
| 1254 | /*********************************************************************** |
| 1255 | File dialog functions |
| 1256 | ***********************************************************************/ |
| 1257 | /* Return non-zero if the old file selection dialog is being used. |
| 1258 | Return zero if not. */ |
| 1259 | |
| 1260 | int |
| 1261 | xg_uses_old_file_dialog (void) |
| 1262 | { |
| 1263 | #ifdef HAVE_GTK_FILE_SELECTION_NEW |
| 1264 | extern int x_gtk_use_old_file_dialog; |
| 1265 | return x_gtk_use_old_file_dialog; |
| 1266 | #else |
| 1267 | return 0; |
| 1268 | #endif |
| 1269 | } |
| 1270 | |
| 1271 | |
| 1272 | typedef char * (*xg_get_file_func) (GtkWidget *); |
| 1273 | |
| 1274 | /* Return the selected file for file chooser dialog W. |
| 1275 | The returned string must be free:d. */ |
| 1276 | |
| 1277 | static char * |
| 1278 | xg_get_file_name_from_chooser (GtkWidget *w) |
| 1279 | { |
| 1280 | return gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (w)); |
| 1281 | } |
| 1282 | |
| 1283 | /* Callback called when the "Show hidden files" toggle is pressed. |
| 1284 | WIDGET is the toggle widget, DATA is the file chooser dialog. */ |
| 1285 | |
| 1286 | static void |
| 1287 | xg_toggle_visibility_cb (GtkWidget *widget, gpointer data) |
| 1288 | { |
| 1289 | GtkFileChooser *dialog = GTK_FILE_CHOOSER (data); |
| 1290 | gboolean visible; |
| 1291 | g_object_get (G_OBJECT (dialog), "show-hidden", &visible, NULL); |
| 1292 | g_object_set (G_OBJECT (dialog), "show-hidden", !visible, NULL); |
| 1293 | } |
| 1294 | |
| 1295 | |
| 1296 | /* Callback called when a property changes in a file chooser. |
| 1297 | GOBJECT is the file chooser dialog, ARG1 describes the property. |
| 1298 | USER_DATA is the toggle widget in the file chooser dialog. |
| 1299 | We use this to update the "Show hidden files" toggle when the user |
| 1300 | changes that property by right clicking in the file list. */ |
| 1301 | |
| 1302 | static void |
| 1303 | xg_toggle_notify_cb (GObject *gobject, GParamSpec *arg1, gpointer user_data) |
| 1304 | { |
| 1305 | extern int x_gtk_show_hidden_files; |
| 1306 | |
| 1307 | if (strcmp (arg1->name, "show-hidden") == 0) |
| 1308 | { |
| 1309 | GtkWidget *wtoggle = GTK_WIDGET (user_data); |
| 1310 | gboolean visible, toggle_on; |
| 1311 | |
| 1312 | g_object_get (G_OBJECT (gobject), "show-hidden", &visible, NULL); |
| 1313 | toggle_on = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (wtoggle)); |
| 1314 | |
| 1315 | if (!!visible != !!toggle_on) |
| 1316 | { |
| 1317 | g_signal_handlers_block_by_func (G_OBJECT (wtoggle), |
| 1318 | G_CALLBACK (xg_toggle_visibility_cb), |
| 1319 | gobject); |
| 1320 | gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (wtoggle), visible); |
| 1321 | g_signal_handlers_unblock_by_func |
| 1322 | (G_OBJECT (wtoggle), |
| 1323 | G_CALLBACK (xg_toggle_visibility_cb), |
| 1324 | gobject); |
| 1325 | } |
| 1326 | x_gtk_show_hidden_files = visible; |
| 1327 | } |
| 1328 | } |
| 1329 | |
| 1330 | /* Read a file name from the user using a file chooser dialog. |
| 1331 | F is the current frame. |
| 1332 | PROMPT is a prompt to show to the user. May not be NULL. |
| 1333 | DEFAULT_FILENAME is a default selection to be displayed. May be NULL. |
| 1334 | If MUSTMATCH_P is non-zero, the returned file name must be an existing |
| 1335 | file. *FUNC is set to a function that can be used to retrieve the |
| 1336 | selected file name from the returned widget. |
| 1337 | |
| 1338 | Returns the created widget. */ |
| 1339 | |
| 1340 | static GtkWidget * |
| 1341 | xg_get_file_with_chooser (f, prompt, default_filename, |
| 1342 | mustmatch_p, only_dir_p, func) |
| 1343 | FRAME_PTR f; |
| 1344 | char *prompt; |
| 1345 | char *default_filename; |
| 1346 | int mustmatch_p, only_dir_p; |
| 1347 | xg_get_file_func *func; |
| 1348 | { |
| 1349 | char message[1024]; |
| 1350 | |
| 1351 | GtkWidget *filewin, *wtoggle, *wbox, *wmessage; |
| 1352 | GtkWindow *gwin = GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)); |
| 1353 | GtkFileChooserAction action = (mustmatch_p ? |
| 1354 | GTK_FILE_CHOOSER_ACTION_OPEN : |
| 1355 | GTK_FILE_CHOOSER_ACTION_SAVE); |
| 1356 | extern int x_gtk_show_hidden_files; |
| 1357 | extern int x_gtk_file_dialog_help_text; |
| 1358 | |
| 1359 | |
| 1360 | if (only_dir_p) |
| 1361 | action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER; |
| 1362 | |
| 1363 | filewin = gtk_file_chooser_dialog_new (prompt, gwin, action, |
| 1364 | GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, |
| 1365 | (mustmatch_p || only_dir_p ? |
| 1366 | GTK_STOCK_OPEN : GTK_STOCK_OK), |
| 1367 | GTK_RESPONSE_OK, |
| 1368 | NULL); |
| 1369 | gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (filewin), TRUE); |
| 1370 | |
| 1371 | wbox = gtk_vbox_new (FALSE, 0); |
| 1372 | gtk_widget_show (wbox); |
| 1373 | wtoggle = gtk_check_button_new_with_label ("Show hidden files."); |
| 1374 | |
| 1375 | if (x_gtk_show_hidden_files) |
| 1376 | { |
| 1377 | g_object_set (G_OBJECT (filewin), "show-hidden", TRUE, NULL); |
| 1378 | gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (wtoggle), TRUE); |
| 1379 | } |
| 1380 | gtk_widget_show (wtoggle); |
| 1381 | g_signal_connect (G_OBJECT (wtoggle), "clicked", |
| 1382 | G_CALLBACK (xg_toggle_visibility_cb), filewin); |
| 1383 | g_signal_connect (G_OBJECT (filewin), "notify", |
| 1384 | G_CALLBACK (xg_toggle_notify_cb), wtoggle); |
| 1385 | |
| 1386 | if (x_gtk_file_dialog_help_text) |
| 1387 | { |
| 1388 | message[0] = '\0'; |
| 1389 | /* Gtk+ 2.10 has the file name text entry box integrated in the dialog. |
| 1390 | Show the C-l help text only for versions < 2.10. */ |
| 1391 | if (gtk_check_version (2, 10, 0) && action != GTK_FILE_CHOOSER_ACTION_SAVE) |
| 1392 | strcat (message, "\nType C-l to display a file name text entry box.\n"); |
| 1393 | strcat (message, "\nIf you don't like this file selector, use the " |
| 1394 | "corresponding\nkey binding or customize " |
| 1395 | "use-file-dialog to turn it off."); |
| 1396 | |
| 1397 | wmessage = gtk_label_new (message); |
| 1398 | gtk_widget_show (wmessage); |
| 1399 | } |
| 1400 | |
| 1401 | gtk_box_pack_start (GTK_BOX (wbox), wtoggle, FALSE, FALSE, 0); |
| 1402 | if (x_gtk_file_dialog_help_text) |
| 1403 | gtk_box_pack_start (GTK_BOX (wbox), wmessage, FALSE, FALSE, 0); |
| 1404 | gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER (filewin), wbox); |
| 1405 | |
| 1406 | if (default_filename) |
| 1407 | { |
| 1408 | Lisp_Object file; |
| 1409 | struct gcpro gcpro1; |
| 1410 | char *utf8_filename; |
| 1411 | GCPRO1 (file); |
| 1412 | |
| 1413 | file = build_string (default_filename); |
| 1414 | |
| 1415 | /* File chooser does not understand ~/... in the file name. It must be |
| 1416 | an absolute name starting with /. */ |
| 1417 | if (default_filename[0] != '/') |
| 1418 | file = Fexpand_file_name (file, Qnil); |
| 1419 | |
| 1420 | utf8_filename = SSDATA (ENCODE_UTF_8 (file)); |
| 1421 | if (! NILP (Ffile_directory_p (file))) |
| 1422 | gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (filewin), |
| 1423 | utf8_filename); |
| 1424 | else |
| 1425 | { |
| 1426 | gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (filewin), |
| 1427 | utf8_filename); |
| 1428 | if (action == GTK_FILE_CHOOSER_ACTION_SAVE) |
| 1429 | { |
| 1430 | char *cp = strrchr (utf8_filename, '/'); |
| 1431 | if (cp) ++cp; |
| 1432 | else cp = utf8_filename; |
| 1433 | gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (filewin), cp); |
| 1434 | } |
| 1435 | } |
| 1436 | |
| 1437 | UNGCPRO; |
| 1438 | } |
| 1439 | |
| 1440 | *func = xg_get_file_name_from_chooser; |
| 1441 | return filewin; |
| 1442 | } |
| 1443 | |
| 1444 | #ifdef HAVE_GTK_FILE_SELECTION_NEW |
| 1445 | |
| 1446 | /* Return the selected file for file selector dialog W. |
| 1447 | The returned string must be free:d. */ |
| 1448 | |
| 1449 | static char * |
| 1450 | xg_get_file_name_from_selector (GtkWidget *w) |
| 1451 | { |
| 1452 | GtkFileSelection *filesel = GTK_FILE_SELECTION (w); |
| 1453 | return xstrdup ((char*) gtk_file_selection_get_filename (filesel)); |
| 1454 | } |
| 1455 | |
| 1456 | /* Create a file selection dialog. |
| 1457 | F is the current frame. |
| 1458 | PROMPT is a prompt to show to the user. May not be NULL. |
| 1459 | DEFAULT_FILENAME is a default selection to be displayed. May be NULL. |
| 1460 | If MUSTMATCH_P is non-zero, the returned file name must be an existing |
| 1461 | file. *FUNC is set to a function that can be used to retrieve the |
| 1462 | selected file name from the returned widget. |
| 1463 | |
| 1464 | Returns the created widget. */ |
| 1465 | |
| 1466 | static GtkWidget * |
| 1467 | xg_get_file_with_selection (f, prompt, default_filename, |
| 1468 | mustmatch_p, only_dir_p, func) |
| 1469 | FRAME_PTR f; |
| 1470 | char *prompt; |
| 1471 | char *default_filename; |
| 1472 | int mustmatch_p, only_dir_p; |
| 1473 | xg_get_file_func *func; |
| 1474 | { |
| 1475 | GtkWidget *filewin; |
| 1476 | GtkFileSelection *filesel; |
| 1477 | |
| 1478 | filewin = gtk_file_selection_new (prompt); |
| 1479 | filesel = GTK_FILE_SELECTION (filewin); |
| 1480 | |
| 1481 | if (default_filename) |
| 1482 | gtk_file_selection_set_filename (filesel, default_filename); |
| 1483 | |
| 1484 | if (mustmatch_p) |
| 1485 | { |
| 1486 | /* The selection_entry part of filesel is not documented. */ |
| 1487 | gtk_widget_set_sensitive (filesel->selection_entry, FALSE); |
| 1488 | gtk_file_selection_hide_fileop_buttons (filesel); |
| 1489 | } |
| 1490 | |
| 1491 | *func = xg_get_file_name_from_selector; |
| 1492 | |
| 1493 | return filewin; |
| 1494 | } |
| 1495 | #endif /* HAVE_GTK_FILE_SELECTION_NEW */ |
| 1496 | |
| 1497 | /* Read a file name from the user using a file dialog, either the old |
| 1498 | file selection dialog, or the new file chooser dialog. Which to use |
| 1499 | depends on what the GTK version used has, and what the value of |
| 1500 | gtk-use-old-file-dialog. |
| 1501 | F is the current frame. |
| 1502 | PROMPT is a prompt to show to the user. May not be NULL. |
| 1503 | DEFAULT_FILENAME is a default selection to be displayed. May be NULL. |
| 1504 | If MUSTMATCH_P is non-zero, the returned file name must be an existing |
| 1505 | file. |
| 1506 | |
| 1507 | Returns a file name or NULL if no file was selected. |
| 1508 | The returned string must be freed by the caller. */ |
| 1509 | |
| 1510 | char * |
| 1511 | xg_get_file_name (FRAME_PTR f, char *prompt, char *default_filename, int mustmatch_p, int only_dir_p) |
| 1512 | { |
| 1513 | GtkWidget *w = 0; |
| 1514 | char *fn = 0; |
| 1515 | int filesel_done = 0; |
| 1516 | xg_get_file_func func; |
| 1517 | |
| 1518 | #if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN) |
| 1519 | /* I really don't know why this is needed, but without this the GLIBC add on |
| 1520 | library linuxthreads hangs when the Gnome file chooser backend creates |
| 1521 | threads. */ |
| 1522 | sigblock (sigmask (__SIGRTMIN)); |
| 1523 | #endif /* HAVE_GTK_AND_PTHREAD */ |
| 1524 | |
| 1525 | #ifdef HAVE_GTK_FILE_SELECTION_NEW |
| 1526 | |
| 1527 | if (xg_uses_old_file_dialog ()) |
| 1528 | w = xg_get_file_with_selection (f, prompt, default_filename, |
| 1529 | mustmatch_p, only_dir_p, &func); |
| 1530 | else |
| 1531 | w = xg_get_file_with_chooser (f, prompt, default_filename, |
| 1532 | mustmatch_p, only_dir_p, &func); |
| 1533 | |
| 1534 | #else /* not HAVE_GTK_FILE_SELECTION_NEW */ |
| 1535 | w = xg_get_file_with_chooser (f, prompt, default_filename, |
| 1536 | mustmatch_p, only_dir_p, &func); |
| 1537 | #endif /* not HAVE_GTK_FILE_SELECTION_NEW */ |
| 1538 | |
| 1539 | gtk_widget_set_name (w, "emacs-filedialog"); |
| 1540 | |
| 1541 | filesel_done = xg_dialog_run (f, w); |
| 1542 | |
| 1543 | #if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN) |
| 1544 | sigunblock (sigmask (__SIGRTMIN)); |
| 1545 | #endif |
| 1546 | |
| 1547 | if (filesel_done == GTK_RESPONSE_OK) |
| 1548 | fn = (*func) (w); |
| 1549 | |
| 1550 | gtk_widget_destroy (w); |
| 1551 | return fn; |
| 1552 | } |
| 1553 | |
| 1554 | #ifdef HAVE_FREETYPE |
| 1555 | /* Pop up a GTK font selector and return the name of the font the user |
| 1556 | selects, as a C string. The returned font name follows GTK's own |
| 1557 | format: |
| 1558 | |
| 1559 | `FAMILY [VALUE1 VALUE2] SIZE' |
| 1560 | |
| 1561 | This can be parsed using font_parse_fcname in font.c. |
| 1562 | DEFAULT_NAME, if non-zero, is the default font name. */ |
| 1563 | |
| 1564 | char * |
| 1565 | xg_get_font_name (FRAME_PTR f, char *default_name) |
| 1566 | { |
| 1567 | GtkWidget *w; |
| 1568 | char *fontname = NULL; |
| 1569 | int done = 0; |
| 1570 | |
| 1571 | #if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN) |
| 1572 | sigblock (sigmask (__SIGRTMIN)); |
| 1573 | #endif /* HAVE_GTK_AND_PTHREAD */ |
| 1574 | |
| 1575 | w = gtk_font_selection_dialog_new ("Pick a font"); |
| 1576 | if (!default_name) |
| 1577 | default_name = "Monospace 10"; |
| 1578 | gtk_font_selection_dialog_set_font_name (GTK_FONT_SELECTION_DIALOG (w), |
| 1579 | default_name); |
| 1580 | |
| 1581 | gtk_widget_set_name (w, "emacs-fontdialog"); |
| 1582 | |
| 1583 | done = xg_dialog_run (f, w); |
| 1584 | |
| 1585 | #if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN) |
| 1586 | sigunblock (sigmask (__SIGRTMIN)); |
| 1587 | #endif |
| 1588 | |
| 1589 | if (done == GTK_RESPONSE_OK) |
| 1590 | fontname = gtk_font_selection_dialog_get_font_name |
| 1591 | (GTK_FONT_SELECTION_DIALOG (w)); |
| 1592 | |
| 1593 | gtk_widget_destroy (w); |
| 1594 | return fontname; |
| 1595 | } |
| 1596 | #endif /* HAVE_FREETYPE */ |
| 1597 | |
| 1598 | |
| 1599 | \f |
| 1600 | /*********************************************************************** |
| 1601 | Menu functions. |
| 1602 | ***********************************************************************/ |
| 1603 | |
| 1604 | /* The name of menu items that can be used for customization. Since GTK |
| 1605 | RC files are very crude and primitive, we have to set this on all |
| 1606 | menu item names so a user can easily customize menu items. */ |
| 1607 | |
| 1608 | #define MENU_ITEM_NAME "emacs-menuitem" |
| 1609 | |
| 1610 | |
| 1611 | /* Linked list of all allocated struct xg_menu_cb_data. Used for marking |
| 1612 | during GC. The next member points to the items. */ |
| 1613 | static xg_list_node xg_menu_cb_list; |
| 1614 | |
| 1615 | /* Linked list of all allocated struct xg_menu_item_cb_data. Used for marking |
| 1616 | during GC. The next member points to the items. */ |
| 1617 | static xg_list_node xg_menu_item_cb_list; |
| 1618 | |
| 1619 | /* Allocate and initialize CL_DATA if NULL, otherwise increase ref_count. |
| 1620 | F is the frame CL_DATA will be initialized for. |
| 1621 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. |
| 1622 | |
| 1623 | The menu bar and all sub menus under the menu bar in a frame |
| 1624 | share the same structure, hence the reference count. |
| 1625 | |
| 1626 | Returns CL_DATA if CL_DATA is not NULL, or a pointer to a newly |
| 1627 | allocated xg_menu_cb_data if CL_DATA is NULL. */ |
| 1628 | |
| 1629 | static xg_menu_cb_data * |
| 1630 | make_cl_data (xg_menu_cb_data *cl_data, FRAME_PTR f, GCallback highlight_cb) |
| 1631 | { |
| 1632 | if (! cl_data) |
| 1633 | { |
| 1634 | cl_data = (xg_menu_cb_data*) xmalloc (sizeof (*cl_data)); |
| 1635 | cl_data->f = f; |
| 1636 | cl_data->menu_bar_vector = f->menu_bar_vector; |
| 1637 | cl_data->menu_bar_items_used = f->menu_bar_items_used; |
| 1638 | cl_data->highlight_cb = highlight_cb; |
| 1639 | cl_data->ref_count = 0; |
| 1640 | |
| 1641 | xg_list_insert (&xg_menu_cb_list, &cl_data->ptrs); |
| 1642 | } |
| 1643 | |
| 1644 | cl_data->ref_count++; |
| 1645 | |
| 1646 | return cl_data; |
| 1647 | } |
| 1648 | |
| 1649 | /* Update CL_DATA with values from frame F and with HIGHLIGHT_CB. |
| 1650 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. |
| 1651 | |
| 1652 | When the menu bar is updated, menu items may have been added and/or |
| 1653 | removed, so menu_bar_vector and menu_bar_items_used change. We must |
| 1654 | then update CL_DATA since it is used to determine which menu |
| 1655 | item that is invoked in the menu. |
| 1656 | HIGHLIGHT_CB could change, there is no check that the same |
| 1657 | function is given when modifying a menu bar as was given when |
| 1658 | creating the menu bar. */ |
| 1659 | |
| 1660 | static void |
| 1661 | update_cl_data (xg_menu_cb_data *cl_data, FRAME_PTR f, GCallback highlight_cb) |
| 1662 | { |
| 1663 | if (cl_data) |
| 1664 | { |
| 1665 | cl_data->f = f; |
| 1666 | cl_data->menu_bar_vector = f->menu_bar_vector; |
| 1667 | cl_data->menu_bar_items_used = f->menu_bar_items_used; |
| 1668 | cl_data->highlight_cb = highlight_cb; |
| 1669 | } |
| 1670 | } |
| 1671 | |
| 1672 | /* Decrease reference count for CL_DATA. |
| 1673 | If reference count is zero, free CL_DATA. */ |
| 1674 | |
| 1675 | static void |
| 1676 | unref_cl_data (xg_menu_cb_data *cl_data) |
| 1677 | { |
| 1678 | if (cl_data && cl_data->ref_count > 0) |
| 1679 | { |
| 1680 | cl_data->ref_count--; |
| 1681 | if (cl_data->ref_count == 0) |
| 1682 | { |
| 1683 | xg_list_remove (&xg_menu_cb_list, &cl_data->ptrs); |
| 1684 | xfree (cl_data); |
| 1685 | } |
| 1686 | } |
| 1687 | } |
| 1688 | |
| 1689 | /* Function that marks all lisp data during GC. */ |
| 1690 | |
| 1691 | void |
| 1692 | xg_mark_data (void) |
| 1693 | { |
| 1694 | xg_list_node *iter; |
| 1695 | |
| 1696 | for (iter = xg_menu_cb_list.next; iter; iter = iter->next) |
| 1697 | mark_object (((xg_menu_cb_data *) iter)->menu_bar_vector); |
| 1698 | |
| 1699 | for (iter = xg_menu_item_cb_list.next; iter; iter = iter->next) |
| 1700 | { |
| 1701 | xg_menu_item_cb_data *cb_data = (xg_menu_item_cb_data *) iter; |
| 1702 | |
| 1703 | if (! NILP (cb_data->help)) |
| 1704 | mark_object (cb_data->help); |
| 1705 | } |
| 1706 | } |
| 1707 | |
| 1708 | |
| 1709 | /* Callback called when a menu item is destroyed. Used to free data. |
| 1710 | W is the widget that is being destroyed (not used). |
| 1711 | CLIENT_DATA points to the xg_menu_item_cb_data associated with the W. */ |
| 1712 | |
| 1713 | static void |
| 1714 | menuitem_destroy_callback (GtkWidget *w, gpointer client_data) |
| 1715 | { |
| 1716 | if (client_data) |
| 1717 | { |
| 1718 | xg_menu_item_cb_data *data = (xg_menu_item_cb_data*) client_data; |
| 1719 | xg_list_remove (&xg_menu_item_cb_list, &data->ptrs); |
| 1720 | xfree (data); |
| 1721 | } |
| 1722 | } |
| 1723 | |
| 1724 | /* Callback called when the pointer enters/leaves a menu item. |
| 1725 | W is the parent of the menu item. |
| 1726 | EVENT is either an enter event or leave event. |
| 1727 | CLIENT_DATA is not used. |
| 1728 | |
| 1729 | Returns FALSE to tell GTK to keep processing this event. */ |
| 1730 | |
| 1731 | static gboolean |
| 1732 | menuitem_highlight_callback (GtkWidget *w, GdkEventCrossing *event, gpointer client_data) |
| 1733 | { |
| 1734 | GdkEvent ev; |
| 1735 | GtkWidget *subwidget; |
| 1736 | xg_menu_item_cb_data *data; |
| 1737 | |
| 1738 | ev.crossing = *event; |
| 1739 | subwidget = gtk_get_event_widget (&ev); |
| 1740 | data = (xg_menu_item_cb_data *) g_object_get_data (G_OBJECT (subwidget), |
| 1741 | XG_ITEM_DATA); |
| 1742 | if (data) |
| 1743 | { |
| 1744 | if (! NILP (data->help) && data->cl_data->highlight_cb) |
| 1745 | { |
| 1746 | gpointer call_data = event->type == GDK_LEAVE_NOTIFY ? 0 : data; |
| 1747 | GtkCallback func = (GtkCallback) data->cl_data->highlight_cb; |
| 1748 | (*func) (subwidget, call_data); |
| 1749 | } |
| 1750 | } |
| 1751 | |
| 1752 | return FALSE; |
| 1753 | } |
| 1754 | |
| 1755 | /* Callback called when a menu is destroyed. Used to free data. |
| 1756 | W is the widget that is being destroyed (not used). |
| 1757 | CLIENT_DATA points to the xg_menu_cb_data associated with W. */ |
| 1758 | |
| 1759 | static void |
| 1760 | menu_destroy_callback (GtkWidget *w, gpointer client_data) |
| 1761 | { |
| 1762 | unref_cl_data ((xg_menu_cb_data*) client_data); |
| 1763 | } |
| 1764 | |
| 1765 | /* Make a GTK widget that contains both UTF8_LABEL and UTF8_KEY (both |
| 1766 | must be non-NULL) and can be inserted into a menu item. |
| 1767 | |
| 1768 | Returns the GtkHBox. */ |
| 1769 | |
| 1770 | static GtkWidget * |
| 1771 | make_widget_for_menu_item (char *utf8_label, char *utf8_key) |
| 1772 | { |
| 1773 | GtkWidget *wlbl; |
| 1774 | GtkWidget *wkey; |
| 1775 | GtkWidget *wbox; |
| 1776 | |
| 1777 | wbox = gtk_hbox_new (FALSE, 0); |
| 1778 | wlbl = gtk_label_new (utf8_label); |
| 1779 | wkey = gtk_label_new (utf8_key); |
| 1780 | |
| 1781 | gtk_misc_set_alignment (GTK_MISC (wlbl), 0.0, 0.5); |
| 1782 | gtk_misc_set_alignment (GTK_MISC (wkey), 0.0, 0.5); |
| 1783 | |
| 1784 | gtk_box_pack_start (GTK_BOX (wbox), wlbl, TRUE, TRUE, 0); |
| 1785 | gtk_box_pack_start (GTK_BOX (wbox), wkey, FALSE, FALSE, 0); |
| 1786 | |
| 1787 | gtk_widget_set_name (wlbl, MENU_ITEM_NAME); |
| 1788 | gtk_widget_set_name (wkey, MENU_ITEM_NAME); |
| 1789 | gtk_widget_set_name (wbox, MENU_ITEM_NAME); |
| 1790 | |
| 1791 | return wbox; |
| 1792 | } |
| 1793 | |
| 1794 | /* Make and return a menu item widget with the key to the right. |
| 1795 | UTF8_LABEL is the text for the menu item (GTK uses UTF8 internally). |
| 1796 | UTF8_KEY is the text representing the key binding. |
| 1797 | ITEM is the widget_value describing the menu item. |
| 1798 | |
| 1799 | GROUP is an in/out parameter. If the menu item to be created is not |
| 1800 | part of any radio menu group, *GROUP contains NULL on entry and exit. |
| 1801 | If the menu item to be created is part of a radio menu group, on entry |
| 1802 | *GROUP contains the group to use, or NULL if this is the first item |
| 1803 | in the group. On exit, *GROUP contains the radio item group. |
| 1804 | |
| 1805 | Unfortunately, keys don't line up as nicely as in Motif, |
| 1806 | but the MacOS X version doesn't either, so I guess that is OK. */ |
| 1807 | |
| 1808 | static GtkWidget * |
| 1809 | make_menu_item (char *utf8_label, char *utf8_key, widget_value *item, GSList **group) |
| 1810 | { |
| 1811 | GtkWidget *w; |
| 1812 | GtkWidget *wtoadd = 0; |
| 1813 | |
| 1814 | /* It has been observed that some menu items have a NULL name field. |
| 1815 | This will lead to this function being called with a NULL utf8_label. |
| 1816 | GTK crashes on that so we set a blank label. Why there is a NULL |
| 1817 | name remains to be investigated. */ |
| 1818 | if (! utf8_label) utf8_label = " "; |
| 1819 | |
| 1820 | if (utf8_key) |
| 1821 | wtoadd = make_widget_for_menu_item (utf8_label, utf8_key); |
| 1822 | |
| 1823 | if (item->button_type == BUTTON_TYPE_TOGGLE) |
| 1824 | { |
| 1825 | *group = NULL; |
| 1826 | if (utf8_key) w = gtk_check_menu_item_new (); |
| 1827 | else w = gtk_check_menu_item_new_with_label (utf8_label); |
| 1828 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), item->selected); |
| 1829 | } |
| 1830 | else if (item->button_type == BUTTON_TYPE_RADIO) |
| 1831 | { |
| 1832 | if (utf8_key) w = gtk_radio_menu_item_new (*group); |
| 1833 | else w = gtk_radio_menu_item_new_with_label (*group, utf8_label); |
| 1834 | *group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (w)); |
| 1835 | if (item->selected) |
| 1836 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), TRUE); |
| 1837 | } |
| 1838 | else |
| 1839 | { |
| 1840 | *group = NULL; |
| 1841 | if (utf8_key) w = gtk_menu_item_new (); |
| 1842 | else w = gtk_menu_item_new_with_label (utf8_label); |
| 1843 | } |
| 1844 | |
| 1845 | if (wtoadd) gtk_container_add (GTK_CONTAINER (w), wtoadd); |
| 1846 | if (! item->enabled) gtk_widget_set_sensitive (w, FALSE); |
| 1847 | |
| 1848 | return w; |
| 1849 | } |
| 1850 | |
| 1851 | /* Return non-zero if LABEL specifies a separator (GTK only has one |
| 1852 | separator type) */ |
| 1853 | |
| 1854 | static const char* separator_names[] = { |
| 1855 | "space", |
| 1856 | "no-line", |
| 1857 | "single-line", |
| 1858 | "double-line", |
| 1859 | "single-dashed-line", |
| 1860 | "double-dashed-line", |
| 1861 | "shadow-etched-in", |
| 1862 | "shadow-etched-out", |
| 1863 | "shadow-etched-in-dash", |
| 1864 | "shadow-etched-out-dash", |
| 1865 | "shadow-double-etched-in", |
| 1866 | "shadow-double-etched-out", |
| 1867 | "shadow-double-etched-in-dash", |
| 1868 | "shadow-double-etched-out-dash", |
| 1869 | 0, |
| 1870 | }; |
| 1871 | |
| 1872 | static int |
| 1873 | xg_separator_p (char *label) |
| 1874 | { |
| 1875 | if (! label) return 0; |
| 1876 | else if (strlen (label) > 3 |
| 1877 | && strncmp (label, "--", 2) == 0 |
| 1878 | && label[2] != '-') |
| 1879 | { |
| 1880 | int i; |
| 1881 | |
| 1882 | label += 2; |
| 1883 | for (i = 0; separator_names[i]; ++i) |
| 1884 | if (strcmp (label, separator_names[i]) == 0) |
| 1885 | return 1; |
| 1886 | } |
| 1887 | else |
| 1888 | { |
| 1889 | /* Old-style separator, maybe. It's a separator if it contains |
| 1890 | only dashes. */ |
| 1891 | while (*label == '-') |
| 1892 | ++label; |
| 1893 | if (*label == 0) return 1; |
| 1894 | } |
| 1895 | |
| 1896 | return 0; |
| 1897 | } |
| 1898 | |
| 1899 | static int xg_detached_menus; |
| 1900 | |
| 1901 | /* Returns non-zero if there are detached menus. */ |
| 1902 | |
| 1903 | int |
| 1904 | xg_have_tear_offs (void) |
| 1905 | { |
| 1906 | return xg_detached_menus > 0; |
| 1907 | } |
| 1908 | |
| 1909 | /* Callback invoked when a detached menu window is removed. Here we |
| 1910 | decrease the xg_detached_menus count. |
| 1911 | WIDGET is the top level window that is removed (the parent of the menu). |
| 1912 | CLIENT_DATA is not used. */ |
| 1913 | |
| 1914 | static void |
| 1915 | tearoff_remove (GtkWidget *widget, gpointer client_data) |
| 1916 | { |
| 1917 | if (xg_detached_menus > 0) --xg_detached_menus; |
| 1918 | } |
| 1919 | |
| 1920 | /* Callback invoked when a menu is detached. It increases the |
| 1921 | xg_detached_menus count. |
| 1922 | WIDGET is the GtkTearoffMenuItem. |
| 1923 | CLIENT_DATA is not used. */ |
| 1924 | |
| 1925 | static void |
| 1926 | tearoff_activate (GtkWidget *widget, gpointer client_data) |
| 1927 | { |
| 1928 | GtkWidget *menu = gtk_widget_get_parent (widget); |
| 1929 | if (gtk_menu_get_tearoff_state (GTK_MENU (menu))) |
| 1930 | { |
| 1931 | ++xg_detached_menus; |
| 1932 | g_signal_connect (G_OBJECT (gtk_widget_get_toplevel (widget)), |
| 1933 | "destroy", |
| 1934 | G_CALLBACK (tearoff_remove), 0); |
| 1935 | } |
| 1936 | } |
| 1937 | |
| 1938 | |
| 1939 | /* Create a menu item widget, and connect the callbacks. |
| 1940 | ITEM decribes the menu item. |
| 1941 | F is the frame the created menu belongs to. |
| 1942 | SELECT_CB is the callback to use when a menu item is selected. |
| 1943 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. |
| 1944 | CL_DATA points to the callback data to be used for this menu. |
| 1945 | GROUP is an in/out parameter. If the menu item to be created is not |
| 1946 | part of any radio menu group, *GROUP contains NULL on entry and exit. |
| 1947 | If the menu item to be created is part of a radio menu group, on entry |
| 1948 | *GROUP contains the group to use, or NULL if this is the first item |
| 1949 | in the group. On exit, *GROUP contains the radio item group. |
| 1950 | |
| 1951 | Returns the created GtkWidget. */ |
| 1952 | |
| 1953 | static GtkWidget * |
| 1954 | xg_create_one_menuitem (widget_value *item, FRAME_PTR f, GCallback select_cb, GCallback highlight_cb, xg_menu_cb_data *cl_data, GSList **group) |
| 1955 | { |
| 1956 | char *utf8_label; |
| 1957 | char *utf8_key; |
| 1958 | GtkWidget *w; |
| 1959 | xg_menu_item_cb_data *cb_data; |
| 1960 | |
| 1961 | utf8_label = get_utf8_string (item->name); |
| 1962 | utf8_key = get_utf8_string (item->key); |
| 1963 | |
| 1964 | w = make_menu_item (utf8_label, utf8_key, item, group); |
| 1965 | |
| 1966 | if (utf8_label && utf8_label != item->name) g_free (utf8_label); |
| 1967 | if (utf8_key && utf8_key != item->key) g_free (utf8_key); |
| 1968 | |
| 1969 | cb_data = xmalloc (sizeof (xg_menu_item_cb_data)); |
| 1970 | |
| 1971 | xg_list_insert (&xg_menu_item_cb_list, &cb_data->ptrs); |
| 1972 | |
| 1973 | cb_data->select_id = 0; |
| 1974 | cb_data->help = item->help; |
| 1975 | cb_data->cl_data = cl_data; |
| 1976 | cb_data->call_data = item->call_data; |
| 1977 | |
| 1978 | g_signal_connect (G_OBJECT (w), |
| 1979 | "destroy", |
| 1980 | G_CALLBACK (menuitem_destroy_callback), |
| 1981 | cb_data); |
| 1982 | |
| 1983 | /* Put cb_data in widget, so we can get at it when modifying menubar */ |
| 1984 | g_object_set_data (G_OBJECT (w), XG_ITEM_DATA, cb_data); |
| 1985 | |
| 1986 | /* final item, not a submenu */ |
| 1987 | if (item->call_data && ! item->contents) |
| 1988 | { |
| 1989 | if (select_cb) |
| 1990 | cb_data->select_id |
| 1991 | = g_signal_connect (G_OBJECT (w), "activate", select_cb, cb_data); |
| 1992 | } |
| 1993 | |
| 1994 | return w; |
| 1995 | } |
| 1996 | |
| 1997 | static GtkWidget *create_menus (widget_value *, FRAME_PTR, GCallback, |
| 1998 | GCallback, GCallback, int, int, int, |
| 1999 | GtkWidget *, xg_menu_cb_data *, char *); |
| 2000 | |
| 2001 | /* Create a full menu tree specified by DATA. |
| 2002 | F is the frame the created menu belongs to. |
| 2003 | SELECT_CB is the callback to use when a menu item is selected. |
| 2004 | DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore. |
| 2005 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. |
| 2006 | POP_UP_P is non-zero if we shall create a popup menu. |
| 2007 | MENU_BAR_P is non-zero if we shall create a menu bar. |
| 2008 | ADD_TEAROFF_P is non-zero if we shall add a teroff menu item. Ignored |
| 2009 | if MENU_BAR_P is non-zero. |
| 2010 | TOPMENU is the topmost GtkWidget that others shall be placed under. |
| 2011 | It may be NULL, in that case we create the appropriate widget |
| 2012 | (menu bar or menu item depending on POP_UP_P and MENU_BAR_P) |
| 2013 | CL_DATA is the callback data we shall use for this menu, or NULL |
| 2014 | if we haven't set the first callback yet. |
| 2015 | NAME is the name to give to the top level menu if this function |
| 2016 | creates it. May be NULL to not set any name. |
| 2017 | |
| 2018 | Returns the top level GtkWidget. This is TOPLEVEL if TOPLEVEL is |
| 2019 | not NULL. |
| 2020 | |
| 2021 | This function calls itself to create submenus. */ |
| 2022 | |
| 2023 | static GtkWidget * |
| 2024 | create_menus (data, f, select_cb, deactivate_cb, highlight_cb, |
| 2025 | pop_up_p, menu_bar_p, add_tearoff_p, topmenu, cl_data, name) |
| 2026 | widget_value *data; |
| 2027 | FRAME_PTR f; |
| 2028 | GCallback select_cb; |
| 2029 | GCallback deactivate_cb; |
| 2030 | GCallback highlight_cb; |
| 2031 | int pop_up_p; |
| 2032 | int menu_bar_p; |
| 2033 | int add_tearoff_p; |
| 2034 | GtkWidget *topmenu; |
| 2035 | xg_menu_cb_data *cl_data; |
| 2036 | char *name; |
| 2037 | { |
| 2038 | widget_value *item; |
| 2039 | GtkWidget *wmenu = topmenu; |
| 2040 | GSList *group = NULL; |
| 2041 | |
| 2042 | if (! topmenu) |
| 2043 | { |
| 2044 | if (! menu_bar_p) |
| 2045 | { |
| 2046 | wmenu = gtk_menu_new (); |
| 2047 | xg_set_screen (wmenu, f); |
| 2048 | /* Connect this to the menu instead of items so we get enter/leave for |
| 2049 | disabled items also. TODO: Still does not get enter/leave for |
| 2050 | disabled items in detached menus. */ |
| 2051 | g_signal_connect (G_OBJECT (wmenu), |
| 2052 | "enter-notify-event", |
| 2053 | G_CALLBACK (menuitem_highlight_callback), |
| 2054 | NULL); |
| 2055 | g_signal_connect (G_OBJECT (wmenu), |
| 2056 | "leave-notify-event", |
| 2057 | G_CALLBACK (menuitem_highlight_callback), |
| 2058 | NULL); |
| 2059 | } |
| 2060 | else |
| 2061 | { |
| 2062 | wmenu = gtk_menu_bar_new (); |
| 2063 | /* Set width of menu bar to a small value so it doesn't enlarge |
| 2064 | a small initial frame size. The width will be set to the |
| 2065 | width of the frame later on when it is added to a container. |
| 2066 | height -1: Natural height. */ |
| 2067 | gtk_widget_set_size_request (wmenu, 1, -1); |
| 2068 | } |
| 2069 | |
| 2070 | /* Put cl_data on the top menu for easier access. */ |
| 2071 | cl_data = make_cl_data (cl_data, f, highlight_cb); |
| 2072 | g_object_set_data (G_OBJECT (wmenu), XG_FRAME_DATA, (gpointer)cl_data); |
| 2073 | g_signal_connect (G_OBJECT (wmenu), "destroy", |
| 2074 | G_CALLBACK (menu_destroy_callback), cl_data); |
| 2075 | |
| 2076 | if (name) |
| 2077 | gtk_widget_set_name (wmenu, name); |
| 2078 | |
| 2079 | if (deactivate_cb) |
| 2080 | g_signal_connect (G_OBJECT (wmenu), |
| 2081 | "selection-done", deactivate_cb, 0); |
| 2082 | } |
| 2083 | |
| 2084 | if (! menu_bar_p && add_tearoff_p) |
| 2085 | { |
| 2086 | GtkWidget *tearoff = gtk_tearoff_menu_item_new (); |
| 2087 | gtk_menu_shell_append (GTK_MENU_SHELL (wmenu), tearoff); |
| 2088 | |
| 2089 | g_signal_connect (G_OBJECT (tearoff), "activate", |
| 2090 | G_CALLBACK (tearoff_activate), 0); |
| 2091 | } |
| 2092 | |
| 2093 | for (item = data; item; item = item->next) |
| 2094 | { |
| 2095 | GtkWidget *w; |
| 2096 | |
| 2097 | if (pop_up_p && !item->contents && !item->call_data |
| 2098 | && !xg_separator_p (item->name)) |
| 2099 | { |
| 2100 | char *utf8_label; |
| 2101 | /* A title for a popup. We do the same as GTK does when |
| 2102 | creating titles, but it does not look good. */ |
| 2103 | group = NULL; |
| 2104 | utf8_label = get_utf8_string (item->name); |
| 2105 | |
| 2106 | gtk_menu_set_title (GTK_MENU (wmenu), utf8_label); |
| 2107 | w = gtk_menu_item_new_with_label (utf8_label); |
| 2108 | gtk_widget_set_sensitive (w, FALSE); |
| 2109 | if (utf8_label && utf8_label != item->name) g_free (utf8_label); |
| 2110 | } |
| 2111 | else if (xg_separator_p (item->name)) |
| 2112 | { |
| 2113 | group = NULL; |
| 2114 | /* GTK only have one separator type. */ |
| 2115 | w = gtk_separator_menu_item_new (); |
| 2116 | } |
| 2117 | else |
| 2118 | { |
| 2119 | w = xg_create_one_menuitem (item, |
| 2120 | f, |
| 2121 | item->contents ? 0 : select_cb, |
| 2122 | highlight_cb, |
| 2123 | cl_data, |
| 2124 | &group); |
| 2125 | |
| 2126 | /* Create a possibly empty submenu for menu bar items, since some |
| 2127 | themes don't highlight items correctly without it. */ |
| 2128 | if (item->contents || menu_bar_p) |
| 2129 | { |
| 2130 | GtkWidget *submenu = create_menus (item->contents, |
| 2131 | f, |
| 2132 | select_cb, |
| 2133 | deactivate_cb, |
| 2134 | highlight_cb, |
| 2135 | 0, |
| 2136 | 0, |
| 2137 | add_tearoff_p, |
| 2138 | 0, |
| 2139 | cl_data, |
| 2140 | 0); |
| 2141 | gtk_menu_item_set_submenu (GTK_MENU_ITEM (w), submenu); |
| 2142 | } |
| 2143 | } |
| 2144 | |
| 2145 | gtk_menu_shell_append (GTK_MENU_SHELL (wmenu), w); |
| 2146 | gtk_widget_set_name (w, MENU_ITEM_NAME); |
| 2147 | } |
| 2148 | |
| 2149 | return wmenu; |
| 2150 | } |
| 2151 | |
| 2152 | /* Create a menubar, popup menu or dialog, depending on the TYPE argument. |
| 2153 | TYPE can be "menubar", "popup" for popup menu, or "dialog" for a dialog |
| 2154 | with some text and buttons. |
| 2155 | F is the frame the created item belongs to. |
| 2156 | NAME is the name to use for the top widget. |
| 2157 | VAL is a widget_value structure describing items to be created. |
| 2158 | SELECT_CB is the callback to use when a menu item is selected or |
| 2159 | a dialog button is pressed. |
| 2160 | DEACTIVATE_CB is the callback to use when an item is deactivated. |
| 2161 | For a menu, when a sub menu is not shown anymore, for a dialog it is |
| 2162 | called when the dialog is popped down. |
| 2163 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. |
| 2164 | |
| 2165 | Returns the widget created. */ |
| 2166 | |
| 2167 | GtkWidget * |
| 2168 | xg_create_widget (type, name, f, val, |
| 2169 | select_cb, deactivate_cb, highlight_cb) |
| 2170 | char *type; |
| 2171 | char *name; |
| 2172 | FRAME_PTR f; |
| 2173 | widget_value *val; |
| 2174 | GCallback select_cb; |
| 2175 | GCallback deactivate_cb; |
| 2176 | GCallback highlight_cb; |
| 2177 | { |
| 2178 | GtkWidget *w = 0; |
| 2179 | int menu_bar_p = strcmp (type, "menubar") == 0; |
| 2180 | int pop_up_p = strcmp (type, "popup") == 0; |
| 2181 | |
| 2182 | if (strcmp (type, "dialog") == 0) |
| 2183 | { |
| 2184 | w = create_dialog (val, select_cb, deactivate_cb); |
| 2185 | xg_set_screen (w, f); |
| 2186 | gtk_window_set_transient_for (GTK_WINDOW (w), |
| 2187 | GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f))); |
| 2188 | gtk_window_set_destroy_with_parent (GTK_WINDOW (w), TRUE); |
| 2189 | gtk_widget_set_name (w, "emacs-dialog"); |
| 2190 | gtk_window_set_modal (GTK_WINDOW (w), TRUE); |
| 2191 | } |
| 2192 | else if (menu_bar_p || pop_up_p) |
| 2193 | { |
| 2194 | w = create_menus (val->contents, |
| 2195 | f, |
| 2196 | select_cb, |
| 2197 | deactivate_cb, |
| 2198 | highlight_cb, |
| 2199 | pop_up_p, |
| 2200 | menu_bar_p, |
| 2201 | menu_bar_p, |
| 2202 | 0, |
| 2203 | 0, |
| 2204 | name); |
| 2205 | |
| 2206 | /* Set the cursor to an arrow for popup menus when they are mapped. |
| 2207 | This is done by default for menu bar menus. */ |
| 2208 | if (pop_up_p) |
| 2209 | { |
| 2210 | /* Must realize so the GdkWindow inside the widget is created. */ |
| 2211 | gtk_widget_realize (w); |
| 2212 | xg_set_cursor (w, FRAME_X_DISPLAY_INFO (f)->xg_cursor); |
| 2213 | } |
| 2214 | } |
| 2215 | else |
| 2216 | { |
| 2217 | fprintf (stderr, "bad type in xg_create_widget: %s, doing nothing\n", |
| 2218 | type); |
| 2219 | } |
| 2220 | |
| 2221 | return w; |
| 2222 | } |
| 2223 | |
| 2224 | /* Return the label for menu item WITEM. */ |
| 2225 | |
| 2226 | static const char * |
| 2227 | xg_get_menu_item_label (GtkMenuItem *witem) |
| 2228 | { |
| 2229 | GtkLabel *wlabel = GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem))); |
| 2230 | return gtk_label_get_label (wlabel); |
| 2231 | } |
| 2232 | |
| 2233 | /* Return non-zero if the menu item WITEM has the text LABEL. */ |
| 2234 | |
| 2235 | static int |
| 2236 | xg_item_label_same_p (GtkMenuItem *witem, char *label) |
| 2237 | { |
| 2238 | int is_same = 0; |
| 2239 | char *utf8_label = get_utf8_string (label); |
| 2240 | const char *old_label = witem ? xg_get_menu_item_label (witem) : 0; |
| 2241 | |
| 2242 | if (! old_label && ! utf8_label) |
| 2243 | is_same = 1; |
| 2244 | else if (old_label && utf8_label) |
| 2245 | is_same = strcmp (utf8_label, old_label) == 0; |
| 2246 | |
| 2247 | if (utf8_label && utf8_label != label) g_free (utf8_label); |
| 2248 | |
| 2249 | return is_same; |
| 2250 | } |
| 2251 | |
| 2252 | /* Destroy widgets in LIST. */ |
| 2253 | |
| 2254 | static void |
| 2255 | xg_destroy_widgets (GList *list) |
| 2256 | { |
| 2257 | GList *iter; |
| 2258 | |
| 2259 | for (iter = list; iter; iter = g_list_next (iter)) |
| 2260 | { |
| 2261 | GtkWidget *w = GTK_WIDGET (iter->data); |
| 2262 | |
| 2263 | /* Destroying the widget will remove it from the container it is in. */ |
| 2264 | gtk_widget_destroy (w); |
| 2265 | } |
| 2266 | } |
| 2267 | |
| 2268 | /* Update the top level names in MENUBAR (i.e. not submenus). |
| 2269 | F is the frame the menu bar belongs to. |
| 2270 | *LIST is a list with the current menu bar names (menu item widgets). |
| 2271 | ITER is the item within *LIST that shall be updated. |
| 2272 | POS is the numerical position, starting at 0, of ITER in *LIST. |
| 2273 | VAL describes what the menu bar shall look like after the update. |
| 2274 | SELECT_CB is the callback to use when a menu item is selected. |
| 2275 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. |
| 2276 | CL_DATA points to the callback data to be used for this menu bar. |
| 2277 | |
| 2278 | This function calls itself to walk through the menu bar names. */ |
| 2279 | |
| 2280 | static void |
| 2281 | xg_update_menubar (menubar, f, list, iter, pos, val, |
| 2282 | select_cb, deactivate_cb, highlight_cb, cl_data) |
| 2283 | GtkWidget *menubar; |
| 2284 | FRAME_PTR f; |
| 2285 | GList **list; |
| 2286 | GList *iter; |
| 2287 | int pos; |
| 2288 | widget_value *val; |
| 2289 | GCallback select_cb; |
| 2290 | GCallback deactivate_cb; |
| 2291 | GCallback highlight_cb; |
| 2292 | xg_menu_cb_data *cl_data; |
| 2293 | { |
| 2294 | if (! iter && ! val) |
| 2295 | return; |
| 2296 | else if (iter && ! val) |
| 2297 | { |
| 2298 | /* Item(s) have been removed. Remove all remaining items. */ |
| 2299 | xg_destroy_widgets (iter); |
| 2300 | |
| 2301 | /* Add a blank entry so the menubar doesn't collapse to nothing. */ |
| 2302 | gtk_menu_shell_insert (GTK_MENU_SHELL (menubar), |
| 2303 | gtk_menu_item_new_with_label (""), |
| 2304 | 0); |
| 2305 | /* All updated. */ |
| 2306 | val = 0; |
| 2307 | iter = 0; |
| 2308 | } |
| 2309 | else if (! iter && val) |
| 2310 | { |
| 2311 | /* Item(s) added. Add all new items in one call. */ |
| 2312 | create_menus (val, f, select_cb, deactivate_cb, highlight_cb, |
| 2313 | 0, 1, 0, menubar, cl_data, 0); |
| 2314 | |
| 2315 | /* All updated. */ |
| 2316 | val = 0; |
| 2317 | iter = 0; |
| 2318 | } |
| 2319 | /* Below this neither iter or val is NULL */ |
| 2320 | else if (xg_item_label_same_p (GTK_MENU_ITEM (iter->data), val->name)) |
| 2321 | { |
| 2322 | /* This item is still the same, check next item. */ |
| 2323 | val = val->next; |
| 2324 | iter = g_list_next (iter); |
| 2325 | ++pos; |
| 2326 | } |
| 2327 | else /* This item is changed. */ |
| 2328 | { |
| 2329 | GtkMenuItem *witem = GTK_MENU_ITEM (iter->data); |
| 2330 | GtkMenuItem *witem2 = 0; |
| 2331 | int val_in_menubar = 0; |
| 2332 | int iter_in_new_menubar = 0; |
| 2333 | GList *iter2; |
| 2334 | widget_value *cur; |
| 2335 | |
| 2336 | /* See if the changed entry (val) is present later in the menu bar */ |
| 2337 | for (iter2 = iter; |
| 2338 | iter2 && ! val_in_menubar; |
| 2339 | iter2 = g_list_next (iter2)) |
| 2340 | { |
| 2341 | witem2 = GTK_MENU_ITEM (iter2->data); |
| 2342 | val_in_menubar = xg_item_label_same_p (witem2, val->name); |
| 2343 | } |
| 2344 | |
| 2345 | /* See if the current entry (iter) is present later in the |
| 2346 | specification for the new menu bar. */ |
| 2347 | for (cur = val; cur && ! iter_in_new_menubar; cur = cur->next) |
| 2348 | iter_in_new_menubar = xg_item_label_same_p (witem, cur->name); |
| 2349 | |
| 2350 | if (val_in_menubar && ! iter_in_new_menubar) |
| 2351 | { |
| 2352 | int nr = pos; |
| 2353 | |
| 2354 | /* This corresponds to: |
| 2355 | Current: A B C |
| 2356 | New: A C |
| 2357 | Remove B. */ |
| 2358 | |
| 2359 | g_object_ref (G_OBJECT (witem)); |
| 2360 | gtk_container_remove (GTK_CONTAINER (menubar), GTK_WIDGET (witem)); |
| 2361 | gtk_widget_destroy (GTK_WIDGET (witem)); |
| 2362 | |
| 2363 | /* Must get new list since the old changed. */ |
| 2364 | g_list_free (*list); |
| 2365 | *list = iter = gtk_container_get_children (GTK_CONTAINER (menubar)); |
| 2366 | while (nr-- > 0) iter = g_list_next (iter); |
| 2367 | } |
| 2368 | else if (! val_in_menubar && ! iter_in_new_menubar) |
| 2369 | { |
| 2370 | /* This corresponds to: |
| 2371 | Current: A B C |
| 2372 | New: A X C |
| 2373 | Rename B to X. This might seem to be a strange thing to do, |
| 2374 | since if there is a menu under B it will be totally wrong for X. |
| 2375 | But consider editing a C file. Then there is a C-mode menu |
| 2376 | (corresponds to B above). |
| 2377 | If then doing C-x C-f the minibuf menu (X above) replaces the |
| 2378 | C-mode menu. When returning from the minibuffer, we get |
| 2379 | back the C-mode menu. Thus we do: |
| 2380 | Rename B to X (C-mode to minibuf menu) |
| 2381 | Rename X to B (minibuf to C-mode menu). |
| 2382 | If the X menu hasn't been invoked, the menu under B |
| 2383 | is up to date when leaving the minibuffer. */ |
| 2384 | GtkLabel *wlabel = GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem))); |
| 2385 | char *utf8_label = get_utf8_string (val->name); |
| 2386 | GtkWidget *submenu = gtk_menu_item_get_submenu (witem); |
| 2387 | |
| 2388 | gtk_label_set_text (wlabel, utf8_label); |
| 2389 | |
| 2390 | /* If this item has a submenu that has been detached, change |
| 2391 | the title in the WM decorations also. */ |
| 2392 | if (submenu && gtk_menu_get_tearoff_state (GTK_MENU (submenu))) |
| 2393 | /* Set the title of the detached window. */ |
| 2394 | gtk_menu_set_title (GTK_MENU (submenu), utf8_label); |
| 2395 | |
| 2396 | iter = g_list_next (iter); |
| 2397 | val = val->next; |
| 2398 | ++pos; |
| 2399 | } |
| 2400 | else if (! val_in_menubar && iter_in_new_menubar) |
| 2401 | { |
| 2402 | /* This corresponds to: |
| 2403 | Current: A B C |
| 2404 | New: A X B C |
| 2405 | Insert X. */ |
| 2406 | |
| 2407 | int nr = pos; |
| 2408 | GList *group = 0; |
| 2409 | GtkWidget *w = xg_create_one_menuitem (val, |
| 2410 | f, |
| 2411 | select_cb, |
| 2412 | highlight_cb, |
| 2413 | cl_data, |
| 2414 | &group); |
| 2415 | |
| 2416 | /* Create a possibly empty submenu for menu bar items, since some |
| 2417 | themes don't highlight items correctly without it. */ |
| 2418 | GtkWidget *submenu = create_menus (NULL, f, |
| 2419 | select_cb, deactivate_cb, |
| 2420 | highlight_cb, |
| 2421 | 0, 0, 0, 0, cl_data, 0); |
| 2422 | gtk_widget_set_name (w, MENU_ITEM_NAME); |
| 2423 | gtk_menu_shell_insert (GTK_MENU_SHELL (menubar), w, pos); |
| 2424 | gtk_menu_item_set_submenu (GTK_MENU_ITEM (w), submenu); |
| 2425 | |
| 2426 | g_list_free (*list); |
| 2427 | *list = iter = gtk_container_get_children (GTK_CONTAINER (menubar)); |
| 2428 | while (nr-- > 0) iter = g_list_next (iter); |
| 2429 | iter = g_list_next (iter); |
| 2430 | val = val->next; |
| 2431 | ++pos; |
| 2432 | } |
| 2433 | else /* if (val_in_menubar && iter_in_new_menubar) */ |
| 2434 | { |
| 2435 | int nr = pos; |
| 2436 | /* This corresponds to: |
| 2437 | Current: A B C |
| 2438 | New: A C B |
| 2439 | Move C before B */ |
| 2440 | |
| 2441 | g_object_ref (G_OBJECT (witem2)); |
| 2442 | gtk_container_remove (GTK_CONTAINER (menubar), GTK_WIDGET (witem2)); |
| 2443 | gtk_menu_shell_insert (GTK_MENU_SHELL (menubar), |
| 2444 | GTK_WIDGET (witem2), pos); |
| 2445 | g_object_unref (G_OBJECT (witem2)); |
| 2446 | |
| 2447 | g_list_free (*list); |
| 2448 | *list = iter = gtk_container_get_children (GTK_CONTAINER (menubar)); |
| 2449 | while (nr-- > 0) iter = g_list_next (iter); |
| 2450 | if (iter) iter = g_list_next (iter); |
| 2451 | val = val->next; |
| 2452 | ++pos; |
| 2453 | } |
| 2454 | } |
| 2455 | |
| 2456 | /* Update the rest of the menu bar. */ |
| 2457 | xg_update_menubar (menubar, f, list, iter, pos, val, |
| 2458 | select_cb, deactivate_cb, highlight_cb, cl_data); |
| 2459 | } |
| 2460 | |
| 2461 | /* Update the menu item W so it corresponds to VAL. |
| 2462 | SELECT_CB is the callback to use when a menu item is selected. |
| 2463 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. |
| 2464 | CL_DATA is the data to set in the widget for menu invocation. */ |
| 2465 | |
| 2466 | static void |
| 2467 | xg_update_menu_item (widget_value *val, GtkWidget *w, GCallback select_cb, GCallback highlight_cb, xg_menu_cb_data *cl_data) |
| 2468 | { |
| 2469 | GtkWidget *wchild; |
| 2470 | GtkLabel *wlbl = 0; |
| 2471 | GtkLabel *wkey = 0; |
| 2472 | char *utf8_label; |
| 2473 | char *utf8_key; |
| 2474 | const char *old_label = 0; |
| 2475 | const char *old_key = 0; |
| 2476 | xg_menu_item_cb_data *cb_data; |
| 2477 | |
| 2478 | wchild = gtk_bin_get_child (GTK_BIN (w)); |
| 2479 | utf8_label = get_utf8_string (val->name); |
| 2480 | utf8_key = get_utf8_string (val->key); |
| 2481 | |
| 2482 | /* See if W is a menu item with a key. See make_menu_item above. */ |
| 2483 | if (GTK_IS_HBOX (wchild)) |
| 2484 | { |
| 2485 | GList *list = gtk_container_get_children (GTK_CONTAINER (wchild)); |
| 2486 | |
| 2487 | wlbl = GTK_LABEL (list->data); |
| 2488 | wkey = GTK_LABEL (list->next->data); |
| 2489 | g_list_free (list); |
| 2490 | |
| 2491 | if (! utf8_key) |
| 2492 | { |
| 2493 | /* Remove the key and keep just the label. */ |
| 2494 | g_object_ref (G_OBJECT (wlbl)); |
| 2495 | gtk_container_remove (GTK_CONTAINER (w), wchild); |
| 2496 | gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (wlbl)); |
| 2497 | g_object_unref (G_OBJECT (wlbl)); |
| 2498 | wkey = 0; |
| 2499 | } |
| 2500 | |
| 2501 | } |
| 2502 | else /* Just a label. */ |
| 2503 | { |
| 2504 | wlbl = GTK_LABEL (wchild); |
| 2505 | |
| 2506 | /* Check if there is now a key. */ |
| 2507 | if (utf8_key) |
| 2508 | { |
| 2509 | GtkWidget *wtoadd = make_widget_for_menu_item (utf8_label, utf8_key); |
| 2510 | GList *list = gtk_container_get_children (GTK_CONTAINER (wtoadd)); |
| 2511 | |
| 2512 | wlbl = GTK_LABEL (list->data); |
| 2513 | wkey = GTK_LABEL (list->next->data); |
| 2514 | g_list_free (list); |
| 2515 | |
| 2516 | gtk_container_remove (GTK_CONTAINER (w), wchild); |
| 2517 | gtk_container_add (GTK_CONTAINER (w), wtoadd); |
| 2518 | } |
| 2519 | } |
| 2520 | |
| 2521 | |
| 2522 | if (wkey) old_key = gtk_label_get_label (wkey); |
| 2523 | if (wlbl) old_label = gtk_label_get_label (wlbl); |
| 2524 | |
| 2525 | if (wkey && utf8_key && (! old_key || strcmp (utf8_key, old_key) != 0)) |
| 2526 | gtk_label_set_text (wkey, utf8_key); |
| 2527 | |
| 2528 | if (! old_label || strcmp (utf8_label, old_label) != 0) |
| 2529 | gtk_label_set_text (wlbl, utf8_label); |
| 2530 | |
| 2531 | if (utf8_key && utf8_key != val->key) g_free (utf8_key); |
| 2532 | if (utf8_label && utf8_label != val->name) g_free (utf8_label); |
| 2533 | |
| 2534 | if (! val->enabled && gtk_widget_get_sensitive (w)) |
| 2535 | gtk_widget_set_sensitive (w, FALSE); |
| 2536 | else if (val->enabled && ! gtk_widget_get_sensitive (w)) |
| 2537 | gtk_widget_set_sensitive (w, TRUE); |
| 2538 | |
| 2539 | cb_data = (xg_menu_item_cb_data*) g_object_get_data (G_OBJECT (w), |
| 2540 | XG_ITEM_DATA); |
| 2541 | if (cb_data) |
| 2542 | { |
| 2543 | cb_data->call_data = val->call_data; |
| 2544 | cb_data->help = val->help; |
| 2545 | cb_data->cl_data = cl_data; |
| 2546 | |
| 2547 | /* We assume the callback functions don't change. */ |
| 2548 | if (val->call_data && ! val->contents) |
| 2549 | { |
| 2550 | /* This item shall have a select callback. */ |
| 2551 | if (! cb_data->select_id) |
| 2552 | cb_data->select_id |
| 2553 | = g_signal_connect (G_OBJECT (w), "activate", |
| 2554 | select_cb, cb_data); |
| 2555 | } |
| 2556 | else if (cb_data->select_id) |
| 2557 | { |
| 2558 | g_signal_handler_disconnect (w, cb_data->select_id); |
| 2559 | cb_data->select_id = 0; |
| 2560 | } |
| 2561 | } |
| 2562 | } |
| 2563 | |
| 2564 | /* Update the toggle menu item W so it corresponds to VAL. */ |
| 2565 | |
| 2566 | static void |
| 2567 | xg_update_toggle_item (widget_value *val, GtkWidget *w) |
| 2568 | { |
| 2569 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), val->selected); |
| 2570 | } |
| 2571 | |
| 2572 | /* Update the radio menu item W so it corresponds to VAL. */ |
| 2573 | |
| 2574 | static void |
| 2575 | xg_update_radio_item (widget_value *val, GtkWidget *w) |
| 2576 | { |
| 2577 | gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w), val->selected); |
| 2578 | } |
| 2579 | |
| 2580 | /* Update the sub menu SUBMENU and all its children so it corresponds to VAL. |
| 2581 | SUBMENU may be NULL, in that case a new menu is created. |
| 2582 | F is the frame the menu bar belongs to. |
| 2583 | VAL describes the contents of the menu bar. |
| 2584 | SELECT_CB is the callback to use when a menu item is selected. |
| 2585 | DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore. |
| 2586 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. |
| 2587 | CL_DATA is the call back data to use for any newly created items. |
| 2588 | |
| 2589 | Returns the updated submenu widget, that is SUBMENU unless SUBMENU |
| 2590 | was NULL. */ |
| 2591 | |
| 2592 | static GtkWidget * |
| 2593 | xg_update_submenu (submenu, f, val, |
| 2594 | select_cb, deactivate_cb, highlight_cb, cl_data) |
| 2595 | GtkWidget *submenu; |
| 2596 | FRAME_PTR f; |
| 2597 | widget_value *val; |
| 2598 | GCallback select_cb; |
| 2599 | GCallback deactivate_cb; |
| 2600 | GCallback highlight_cb; |
| 2601 | xg_menu_cb_data *cl_data; |
| 2602 | { |
| 2603 | GtkWidget *newsub = submenu; |
| 2604 | GList *list = 0; |
| 2605 | GList *iter; |
| 2606 | widget_value *cur; |
| 2607 | int has_tearoff_p = 0; |
| 2608 | GList *first_radio = 0; |
| 2609 | |
| 2610 | if (submenu) |
| 2611 | list = gtk_container_get_children (GTK_CONTAINER (submenu)); |
| 2612 | |
| 2613 | for (cur = val, iter = list; |
| 2614 | cur && iter; |
| 2615 | iter = g_list_next (iter), cur = cur->next) |
| 2616 | { |
| 2617 | GtkWidget *w = GTK_WIDGET (iter->data); |
| 2618 | |
| 2619 | /* Skip tearoff items, they have no counterpart in val. */ |
| 2620 | if (GTK_IS_TEAROFF_MENU_ITEM (w)) |
| 2621 | { |
| 2622 | has_tearoff_p = 1; |
| 2623 | iter = g_list_next (iter); |
| 2624 | if (iter) w = GTK_WIDGET (iter->data); |
| 2625 | else break; |
| 2626 | } |
| 2627 | |
| 2628 | /* Remember first radio button in a group. If we get a mismatch in |
| 2629 | a radio group we must rebuild the whole group so that the connections |
| 2630 | in GTK becomes correct. */ |
| 2631 | if (cur->button_type == BUTTON_TYPE_RADIO && ! first_radio) |
| 2632 | first_radio = iter; |
| 2633 | else if (cur->button_type != BUTTON_TYPE_RADIO |
| 2634 | && ! GTK_IS_RADIO_MENU_ITEM (w)) |
| 2635 | first_radio = 0; |
| 2636 | |
| 2637 | if (GTK_IS_SEPARATOR_MENU_ITEM (w)) |
| 2638 | { |
| 2639 | if (! xg_separator_p (cur->name)) |
| 2640 | break; |
| 2641 | } |
| 2642 | else if (GTK_IS_CHECK_MENU_ITEM (w)) |
| 2643 | { |
| 2644 | if (cur->button_type != BUTTON_TYPE_TOGGLE) |
| 2645 | break; |
| 2646 | xg_update_toggle_item (cur, w); |
| 2647 | xg_update_menu_item (cur, w, select_cb, highlight_cb, cl_data); |
| 2648 | } |
| 2649 | else if (GTK_IS_RADIO_MENU_ITEM (w)) |
| 2650 | { |
| 2651 | if (cur->button_type != BUTTON_TYPE_RADIO) |
| 2652 | break; |
| 2653 | xg_update_radio_item (cur, w); |
| 2654 | xg_update_menu_item (cur, w, select_cb, highlight_cb, cl_data); |
| 2655 | } |
| 2656 | else if (GTK_IS_MENU_ITEM (w)) |
| 2657 | { |
| 2658 | GtkMenuItem *witem = GTK_MENU_ITEM (w); |
| 2659 | GtkWidget *sub; |
| 2660 | |
| 2661 | if (cur->button_type != BUTTON_TYPE_NONE || |
| 2662 | xg_separator_p (cur->name)) |
| 2663 | break; |
| 2664 | |
| 2665 | xg_update_menu_item (cur, w, select_cb, highlight_cb, cl_data); |
| 2666 | |
| 2667 | sub = gtk_menu_item_get_submenu (witem); |
| 2668 | if (sub && ! cur->contents) |
| 2669 | { |
| 2670 | /* Not a submenu anymore. */ |
| 2671 | g_object_ref (G_OBJECT (sub)); |
| 2672 | remove_submenu (witem); |
| 2673 | gtk_widget_destroy (sub); |
| 2674 | } |
| 2675 | else if (cur->contents) |
| 2676 | { |
| 2677 | GtkWidget *nsub; |
| 2678 | |
| 2679 | nsub = xg_update_submenu (sub, f, cur->contents, |
| 2680 | select_cb, deactivate_cb, |
| 2681 | highlight_cb, cl_data); |
| 2682 | |
| 2683 | /* If this item just became a submenu, we must set it. */ |
| 2684 | if (nsub != sub) |
| 2685 | gtk_menu_item_set_submenu (witem, nsub); |
| 2686 | } |
| 2687 | } |
| 2688 | else |
| 2689 | { |
| 2690 | /* Structural difference. Remove everything from here and down |
| 2691 | in SUBMENU. */ |
| 2692 | break; |
| 2693 | } |
| 2694 | } |
| 2695 | |
| 2696 | /* Remove widgets from first structual change. */ |
| 2697 | if (iter) |
| 2698 | { |
| 2699 | /* If we are adding new menu items below, we must remove from |
| 2700 | first radio button so that radio groups become correct. */ |
| 2701 | if (cur && first_radio) xg_destroy_widgets (first_radio); |
| 2702 | else xg_destroy_widgets (iter); |
| 2703 | } |
| 2704 | |
| 2705 | if (cur) |
| 2706 | { |
| 2707 | /* More items added. Create them. */ |
| 2708 | newsub = create_menus (cur, |
| 2709 | f, |
| 2710 | select_cb, |
| 2711 | deactivate_cb, |
| 2712 | highlight_cb, |
| 2713 | 0, |
| 2714 | 0, |
| 2715 | ! has_tearoff_p, |
| 2716 | submenu, |
| 2717 | cl_data, |
| 2718 | 0); |
| 2719 | } |
| 2720 | |
| 2721 | if (list) g_list_free (list); |
| 2722 | |
| 2723 | return newsub; |
| 2724 | } |
| 2725 | |
| 2726 | /* Update the MENUBAR. |
| 2727 | F is the frame the menu bar belongs to. |
| 2728 | VAL describes the contents of the menu bar. |
| 2729 | If DEEP_P is non-zero, rebuild all but the top level menu names in |
| 2730 | the MENUBAR. If DEEP_P is zero, just rebuild the names in the menubar. |
| 2731 | SELECT_CB is the callback to use when a menu item is selected. |
| 2732 | DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore. |
| 2733 | HIGHLIGHT_CB is the callback to call when entering/leaving menu items. */ |
| 2734 | |
| 2735 | void |
| 2736 | xg_modify_menubar_widgets (menubar, f, val, deep_p, |
| 2737 | select_cb, deactivate_cb, highlight_cb) |
| 2738 | GtkWidget *menubar; |
| 2739 | FRAME_PTR f; |
| 2740 | widget_value *val; |
| 2741 | int deep_p; |
| 2742 | GCallback select_cb; |
| 2743 | GCallback deactivate_cb; |
| 2744 | GCallback highlight_cb; |
| 2745 | { |
| 2746 | xg_menu_cb_data *cl_data; |
| 2747 | GList *list = gtk_container_get_children (GTK_CONTAINER (menubar)); |
| 2748 | |
| 2749 | if (! list) return; |
| 2750 | |
| 2751 | cl_data = (xg_menu_cb_data*) g_object_get_data (G_OBJECT (menubar), |
| 2752 | XG_FRAME_DATA); |
| 2753 | |
| 2754 | xg_update_menubar (menubar, f, &list, list, 0, val->contents, |
| 2755 | select_cb, deactivate_cb, highlight_cb, cl_data); |
| 2756 | |
| 2757 | if (deep_p) |
| 2758 | { |
| 2759 | widget_value *cur; |
| 2760 | |
| 2761 | /* Update all sub menus. |
| 2762 | We must keep the submenus (GTK menu item widgets) since the |
| 2763 | X Window in the XEvent that activates the menu are those widgets. */ |
| 2764 | |
| 2765 | /* Update cl_data, menu_item things in F may have changed. */ |
| 2766 | update_cl_data (cl_data, f, highlight_cb); |
| 2767 | |
| 2768 | for (cur = val->contents; cur; cur = cur->next) |
| 2769 | { |
| 2770 | GList *iter; |
| 2771 | GtkWidget *sub = 0; |
| 2772 | GtkWidget *newsub; |
| 2773 | GtkMenuItem *witem; |
| 2774 | |
| 2775 | /* Find sub menu that corresponds to val and update it. */ |
| 2776 | for (iter = list ; iter; iter = g_list_next (iter)) |
| 2777 | { |
| 2778 | witem = GTK_MENU_ITEM (iter->data); |
| 2779 | if (xg_item_label_same_p (witem, cur->name)) |
| 2780 | { |
| 2781 | sub = gtk_menu_item_get_submenu (witem); |
| 2782 | break; |
| 2783 | } |
| 2784 | } |
| 2785 | |
| 2786 | newsub = xg_update_submenu (sub, |
| 2787 | f, |
| 2788 | cur->contents, |
| 2789 | select_cb, |
| 2790 | deactivate_cb, |
| 2791 | highlight_cb, |
| 2792 | cl_data); |
| 2793 | /* sub may still be NULL. If we just updated non deep and added |
| 2794 | a new menu bar item, it has no sub menu yet. So we set the |
| 2795 | newly created sub menu under witem. */ |
| 2796 | if (newsub != sub) |
| 2797 | { |
| 2798 | xg_set_screen (newsub, f); |
| 2799 | gtk_menu_item_set_submenu (witem, newsub); |
| 2800 | } |
| 2801 | } |
| 2802 | } |
| 2803 | |
| 2804 | g_list_free (list); |
| 2805 | gtk_widget_show_all (menubar); |
| 2806 | } |
| 2807 | |
| 2808 | /* Recompute all the widgets of frame F, when the menu bar has been |
| 2809 | changed. Value is non-zero if widgets were updated. */ |
| 2810 | |
| 2811 | int |
| 2812 | xg_update_frame_menubar (FRAME_PTR f) |
| 2813 | { |
| 2814 | struct x_output *x = f->output_data.x; |
| 2815 | GtkRequisition req; |
| 2816 | |
| 2817 | if (!x->menubar_widget || gtk_widget_get_mapped (x->menubar_widget)) |
| 2818 | return 0; |
| 2819 | |
| 2820 | if (x->menubar_widget && gtk_widget_get_parent (x->menubar_widget)) |
| 2821 | return 0; /* Already done this, happens for frames created invisible. */ |
| 2822 | |
| 2823 | BLOCK_INPUT; |
| 2824 | |
| 2825 | gtk_box_pack_start (GTK_BOX (x->vbox_widget), x->menubar_widget, |
| 2826 | FALSE, FALSE, 0); |
| 2827 | gtk_box_reorder_child (GTK_BOX (x->vbox_widget), x->menubar_widget, 0); |
| 2828 | |
| 2829 | gtk_widget_show_all (x->menubar_widget); |
| 2830 | gtk_widget_size_request (x->menubar_widget, &req); |
| 2831 | FRAME_MENUBAR_HEIGHT (f) = req.height; |
| 2832 | xg_height_changed (f); |
| 2833 | UNBLOCK_INPUT; |
| 2834 | |
| 2835 | return 1; |
| 2836 | } |
| 2837 | |
| 2838 | /* Get rid of the menu bar of frame F, and free its storage. |
| 2839 | This is used when deleting a frame, and when turning off the menu bar. */ |
| 2840 | |
| 2841 | void |
| 2842 | free_frame_menubar (FRAME_PTR f) |
| 2843 | { |
| 2844 | struct x_output *x = f->output_data.x; |
| 2845 | |
| 2846 | if (x->menubar_widget) |
| 2847 | { |
| 2848 | BLOCK_INPUT; |
| 2849 | |
| 2850 | gtk_container_remove (GTK_CONTAINER (x->vbox_widget), x->menubar_widget); |
| 2851 | /* The menubar and its children shall be deleted when removed from |
| 2852 | the container. */ |
| 2853 | x->menubar_widget = 0; |
| 2854 | FRAME_MENUBAR_HEIGHT (f) = 0; |
| 2855 | xg_height_changed (f); |
| 2856 | UNBLOCK_INPUT; |
| 2857 | } |
| 2858 | } |
| 2859 | |
| 2860 | |
| 2861 | \f |
| 2862 | /*********************************************************************** |
| 2863 | Scroll bar functions |
| 2864 | ***********************************************************************/ |
| 2865 | |
| 2866 | |
| 2867 | /* Setting scroll bar values invokes the callback. Use this variable |
| 2868 | to indicate that callback should do nothing. */ |
| 2869 | |
| 2870 | int xg_ignore_gtk_scrollbar; |
| 2871 | |
| 2872 | /* Xlib's `Window' fits in 32 bits. But we want to store pointers, and they |
| 2873 | may be larger than 32 bits. Keep a mapping from integer index to widget |
| 2874 | pointers to get around the 32 bit limitation. */ |
| 2875 | |
| 2876 | static struct |
| 2877 | { |
| 2878 | GtkWidget **widgets; |
| 2879 | int max_size; |
| 2880 | int used; |
| 2881 | } id_to_widget; |
| 2882 | |
| 2883 | /* Grow this much every time we need to allocate more */ |
| 2884 | |
| 2885 | #define ID_TO_WIDGET_INCR 32 |
| 2886 | |
| 2887 | /* Store the widget pointer W in id_to_widget and return the integer index. */ |
| 2888 | |
| 2889 | static int |
| 2890 | xg_store_widget_in_map (GtkWidget *w) |
| 2891 | { |
| 2892 | int i; |
| 2893 | |
| 2894 | if (id_to_widget.max_size == id_to_widget.used) |
| 2895 | { |
| 2896 | int new_size = id_to_widget.max_size + ID_TO_WIDGET_INCR; |
| 2897 | |
| 2898 | id_to_widget.widgets = xrealloc (id_to_widget.widgets, |
| 2899 | sizeof (GtkWidget *)*new_size); |
| 2900 | |
| 2901 | for (i = id_to_widget.max_size; i < new_size; ++i) |
| 2902 | id_to_widget.widgets[i] = 0; |
| 2903 | id_to_widget.max_size = new_size; |
| 2904 | } |
| 2905 | |
| 2906 | /* Just loop over the array and find a free place. After all, |
| 2907 | how many scroll bars are we creating? Should be a small number. |
| 2908 | The check above guarantees we will find a free place. */ |
| 2909 | for (i = 0; i < id_to_widget.max_size; ++i) |
| 2910 | { |
| 2911 | if (! id_to_widget.widgets[i]) |
| 2912 | { |
| 2913 | id_to_widget.widgets[i] = w; |
| 2914 | ++id_to_widget.used; |
| 2915 | |
| 2916 | return i; |
| 2917 | } |
| 2918 | } |
| 2919 | |
| 2920 | /* Should never end up here */ |
| 2921 | abort (); |
| 2922 | } |
| 2923 | |
| 2924 | /* Remove pointer at IDX from id_to_widget. |
| 2925 | Called when scroll bar is destroyed. */ |
| 2926 | |
| 2927 | static void |
| 2928 | xg_remove_widget_from_map (int idx) |
| 2929 | { |
| 2930 | if (idx < id_to_widget.max_size && id_to_widget.widgets[idx] != 0) |
| 2931 | { |
| 2932 | id_to_widget.widgets[idx] = 0; |
| 2933 | --id_to_widget.used; |
| 2934 | } |
| 2935 | } |
| 2936 | |
| 2937 | /* Get the widget pointer at IDX from id_to_widget. */ |
| 2938 | |
| 2939 | static GtkWidget * |
| 2940 | xg_get_widget_from_map (int idx) |
| 2941 | { |
| 2942 | if (idx < id_to_widget.max_size && id_to_widget.widgets[idx] != 0) |
| 2943 | return id_to_widget.widgets[idx]; |
| 2944 | |
| 2945 | return 0; |
| 2946 | } |
| 2947 | |
| 2948 | /* Return the scrollbar id for X Window WID on display DPY. |
| 2949 | Return -1 if WID not in id_to_widget. */ |
| 2950 | |
| 2951 | int |
| 2952 | xg_get_scroll_id_for_window (Display *dpy, Window wid) |
| 2953 | { |
| 2954 | int idx; |
| 2955 | GtkWidget *w; |
| 2956 | |
| 2957 | w = xg_win_to_widget (dpy, wid); |
| 2958 | |
| 2959 | if (w) |
| 2960 | { |
| 2961 | for (idx = 0; idx < id_to_widget.max_size; ++idx) |
| 2962 | if (id_to_widget.widgets[idx] == w) |
| 2963 | return idx; |
| 2964 | } |
| 2965 | |
| 2966 | return -1; |
| 2967 | } |
| 2968 | |
| 2969 | /* Callback invoked when scroll bar WIDGET is destroyed. |
| 2970 | DATA is the index into id_to_widget for WIDGET. |
| 2971 | We free pointer to last scroll bar values here and remove the index. */ |
| 2972 | |
| 2973 | static void |
| 2974 | xg_gtk_scroll_destroy (GtkWidget *widget, gpointer data) |
| 2975 | { |
| 2976 | int id = (int) (EMACS_INT) data; /* The EMACS_INT cast avoids a warning. */ |
| 2977 | xg_remove_widget_from_map (id); |
| 2978 | } |
| 2979 | |
| 2980 | /* Create a scroll bar widget for frame F. Store the scroll bar |
| 2981 | in BAR. |
| 2982 | SCROLL_CALLBACK is the callback to invoke when the value of the |
| 2983 | bar changes. |
| 2984 | END_CALLBACK is the callback to invoke when scrolling ends. |
| 2985 | SCROLL_BAR_NAME is the name we use for the scroll bar. Can be used |
| 2986 | to set resources for the widget. */ |
| 2987 | |
| 2988 | void |
| 2989 | xg_create_scroll_bar (FRAME_PTR f, struct scroll_bar *bar, GCallback scroll_callback, GCallback end_callback, char *scroll_bar_name) |
| 2990 | { |
| 2991 | GtkWidget *wscroll; |
| 2992 | GtkWidget *webox; |
| 2993 | GtkObject *vadj; |
| 2994 | int scroll_id; |
| 2995 | |
| 2996 | /* Page, step increment values are not so important here, they |
| 2997 | will be corrected in x_set_toolkit_scroll_bar_thumb. */ |
| 2998 | vadj = gtk_adjustment_new (XG_SB_MIN, XG_SB_MIN, XG_SB_MAX, |
| 2999 | 0.1, 0.1, 0.1); |
| 3000 | |
| 3001 | wscroll = gtk_vscrollbar_new (GTK_ADJUSTMENT (vadj)); |
| 3002 | webox = gtk_event_box_new (); |
| 3003 | gtk_widget_set_name (wscroll, scroll_bar_name); |
| 3004 | gtk_range_set_update_policy (GTK_RANGE (wscroll), GTK_UPDATE_CONTINUOUS); |
| 3005 | g_object_set_data (G_OBJECT (wscroll), XG_FRAME_DATA, (gpointer)f); |
| 3006 | |
| 3007 | scroll_id = xg_store_widget_in_map (wscroll); |
| 3008 | |
| 3009 | /* The EMACS_INT cast avoids a warning. */ |
| 3010 | g_signal_connect (G_OBJECT (wscroll), |
| 3011 | "destroy", |
| 3012 | G_CALLBACK (xg_gtk_scroll_destroy), |
| 3013 | (gpointer) (EMACS_INT) scroll_id); |
| 3014 | g_signal_connect (G_OBJECT (wscroll), |
| 3015 | "change-value", |
| 3016 | scroll_callback, |
| 3017 | (gpointer) bar); |
| 3018 | g_signal_connect (G_OBJECT (wscroll), |
| 3019 | "button-release-event", |
| 3020 | end_callback, |
| 3021 | (gpointer) bar); |
| 3022 | |
| 3023 | /* The scroll bar widget does not draw on a window of its own. Instead |
| 3024 | it draws on the parent window, in this case the edit widget. So |
| 3025 | whenever the edit widget is cleared, the scroll bar needs to redraw |
| 3026 | also, which causes flicker. Put an event box between the edit widget |
| 3027 | and the scroll bar, so the scroll bar instead draws itself on the |
| 3028 | event box window. */ |
| 3029 | gtk_fixed_put (GTK_FIXED (f->output_data.x->edit_widget), webox, -1, -1); |
| 3030 | gtk_container_add (GTK_CONTAINER (webox), wscroll); |
| 3031 | |
| 3032 | |
| 3033 | /* Set the cursor to an arrow. */ |
| 3034 | xg_set_cursor (webox, FRAME_X_DISPLAY_INFO (f)->xg_cursor); |
| 3035 | |
| 3036 | bar->x_window = scroll_id; |
| 3037 | } |
| 3038 | |
| 3039 | /* Remove the scroll bar represented by SCROLLBAR_ID from the frame F. */ |
| 3040 | |
| 3041 | void |
| 3042 | xg_remove_scroll_bar (FRAME_PTR f, int scrollbar_id) |
| 3043 | { |
| 3044 | GtkWidget *w = xg_get_widget_from_map (scrollbar_id); |
| 3045 | if (w) |
| 3046 | { |
| 3047 | GtkWidget *wparent = gtk_widget_get_parent (w); |
| 3048 | gtk_widget_destroy (w); |
| 3049 | gtk_widget_destroy (wparent); |
| 3050 | SET_FRAME_GARBAGED (f); |
| 3051 | } |
| 3052 | } |
| 3053 | |
| 3054 | /* Update the position of the vertical scroll bar represented by SCROLLBAR_ID |
| 3055 | in frame F. |
| 3056 | TOP/LEFT are the new pixel positions where the bar shall appear. |
| 3057 | WIDTH, HEIGHT is the size in pixels the bar shall have. */ |
| 3058 | |
| 3059 | void |
| 3060 | xg_update_scrollbar_pos (FRAME_PTR f, int scrollbar_id, int top, int left, int width, int height) |
| 3061 | { |
| 3062 | |
| 3063 | GtkWidget *wscroll = xg_get_widget_from_map (scrollbar_id); |
| 3064 | |
| 3065 | if (wscroll) |
| 3066 | { |
| 3067 | GtkWidget *wfixed = f->output_data.x->edit_widget; |
| 3068 | GtkWidget *wparent = gtk_widget_get_parent (wscroll); |
| 3069 | gint msl; |
| 3070 | |
| 3071 | /* Clear out old position. */ |
| 3072 | int oldx = -1, oldy = -1, oldw, oldh; |
| 3073 | if (gtk_widget_get_parent (wparent) == wfixed) |
| 3074 | { |
| 3075 | gtk_container_child_get (GTK_CONTAINER (wfixed), wparent, |
| 3076 | "x", &oldx, "y", &oldy, NULL); |
| 3077 | gtk_widget_get_size_request (wscroll, &oldw, &oldh); |
| 3078 | } |
| 3079 | |
| 3080 | /* Move and resize to new values. */ |
| 3081 | gtk_fixed_move (GTK_FIXED (wfixed), wparent, left, top); |
| 3082 | gtk_widget_style_get (wscroll, "min-slider-length", &msl, NULL); |
| 3083 | if (msl > height) |
| 3084 | { |
| 3085 | /* No room. Hide scroll bar as some themes output a warning if |
| 3086 | the height is less than the min size. */ |
| 3087 | gtk_widget_hide (wparent); |
| 3088 | gtk_widget_hide (wscroll); |
| 3089 | } |
| 3090 | else |
| 3091 | { |
| 3092 | gtk_widget_show_all (wparent); |
| 3093 | gtk_widget_set_size_request (wscroll, width, height); |
| 3094 | } |
| 3095 | gtk_widget_queue_draw (wfixed); |
| 3096 | gdk_window_process_all_updates (); |
| 3097 | if (oldx != -1 && oldw > 0 && oldh > 0) |
| 3098 | { |
| 3099 | /* Clear under old scroll bar position. This must be done after |
| 3100 | the gtk_widget_queue_draw and gdk_window_process_all_updates |
| 3101 | above. */ |
| 3102 | x_clear_area (FRAME_X_DISPLAY (f), |
| 3103 | FRAME_X_WINDOW (f), |
| 3104 | oldx, oldy, oldw, oldh, 0); |
| 3105 | } |
| 3106 | |
| 3107 | /* GTK does not redraw until the main loop is entered again, but |
| 3108 | if there are no X events pending we will not enter it. So we sync |
| 3109 | here to get some events. */ |
| 3110 | |
| 3111 | x_sync (f); |
| 3112 | SET_FRAME_GARBAGED (f); |
| 3113 | cancel_mouse_face (f); |
| 3114 | } |
| 3115 | } |
| 3116 | |
| 3117 | /* Set the thumb size and position of scroll bar BAR. We are currently |
| 3118 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ |
| 3119 | |
| 3120 | void |
| 3121 | xg_set_toolkit_scroll_bar_thumb (struct scroll_bar *bar, int portion, int position, int whole) |
| 3122 | { |
| 3123 | GtkWidget *wscroll = xg_get_widget_from_map (bar->x_window); |
| 3124 | |
| 3125 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 3126 | |
| 3127 | if (wscroll && NILP (bar->dragging)) |
| 3128 | { |
| 3129 | GtkAdjustment *adj; |
| 3130 | gdouble shown; |
| 3131 | gdouble top; |
| 3132 | int size, value; |
| 3133 | int new_step; |
| 3134 | int changed = 0; |
| 3135 | |
| 3136 | adj = gtk_range_get_adjustment (GTK_RANGE (wscroll)); |
| 3137 | |
| 3138 | /* We do the same as for MOTIF in xterm.c, assume 30 chars per line |
| 3139 | rather than the real portion value. This makes the thumb less likely |
| 3140 | to resize and that looks better. */ |
| 3141 | portion = WINDOW_TOTAL_LINES (XWINDOW (bar->window)) * 30; |
| 3142 | /* When the thumb is at the bottom, position == whole. |
| 3143 | So we need to increase `whole' to make space for the thumb. */ |
| 3144 | whole += portion; |
| 3145 | |
| 3146 | if (whole <= 0) |
| 3147 | top = 0, shown = 1; |
| 3148 | else |
| 3149 | { |
| 3150 | top = (gdouble) position / whole; |
| 3151 | shown = (gdouble) portion / whole; |
| 3152 | } |
| 3153 | |
| 3154 | size = shown * XG_SB_RANGE; |
| 3155 | size = min (size, XG_SB_RANGE); |
| 3156 | size = max (size, 1); |
| 3157 | |
| 3158 | value = top * XG_SB_RANGE; |
| 3159 | value = min (value, XG_SB_MAX - size); |
| 3160 | value = max (value, XG_SB_MIN); |
| 3161 | |
| 3162 | /* Assume all lines are of equal size. */ |
| 3163 | new_step = size / max (1, FRAME_LINES (f)); |
| 3164 | |
| 3165 | if ((int) gtk_adjustment_get_page_size (adj) != size |
| 3166 | || (int) gtk_adjustment_get_step_increment (adj) != new_step) |
| 3167 | { |
| 3168 | gtk_adjustment_set_page_size (adj, size); |
| 3169 | gtk_adjustment_set_step_increment (adj, new_step); |
| 3170 | /* Assume a page increment is about 95% of the page size */ |
| 3171 | gtk_adjustment_set_page_increment (adj,(int) (0.95*size)); |
| 3172 | changed = 1; |
| 3173 | } |
| 3174 | |
| 3175 | if (changed || (int) gtk_range_get_value (GTK_RANGE (wscroll)) != value) |
| 3176 | { |
| 3177 | BLOCK_INPUT; |
| 3178 | |
| 3179 | /* gtk_range_set_value invokes the callback. Set |
| 3180 | ignore_gtk_scrollbar to make the callback do nothing */ |
| 3181 | xg_ignore_gtk_scrollbar = 1; |
| 3182 | |
| 3183 | if ((int) gtk_range_get_value (GTK_RANGE (wscroll)) != value) |
| 3184 | gtk_range_set_value (GTK_RANGE (wscroll), (gdouble)value); |
| 3185 | else if (changed) |
| 3186 | gtk_adjustment_changed (adj); |
| 3187 | |
| 3188 | xg_ignore_gtk_scrollbar = 0; |
| 3189 | |
| 3190 | UNBLOCK_INPUT; |
| 3191 | } |
| 3192 | } |
| 3193 | } |
| 3194 | |
| 3195 | /* Return non-zero if EVENT is for a scroll bar in frame F. |
| 3196 | When the same X window is used for several Gtk+ widgets, we cannot |
| 3197 | say for sure based on the X window alone if an event is for the |
| 3198 | frame. This function does additional checks. |
| 3199 | |
| 3200 | Return non-zero if the event is for a scroll bar, zero otherwise. */ |
| 3201 | |
| 3202 | int |
| 3203 | xg_event_is_for_scrollbar (FRAME_PTR f, XEvent *event) |
| 3204 | { |
| 3205 | int retval = 0; |
| 3206 | |
| 3207 | if (f && event->type == ButtonPress && event->xbutton.button < 4) |
| 3208 | { |
| 3209 | /* Check if press occurred outside the edit widget. */ |
| 3210 | GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f)); |
| 3211 | retval = gdk_display_get_window_at_pointer (gdpy, NULL, NULL) |
| 3212 | != gtk_widget_get_window (f->output_data.x->edit_widget); |
| 3213 | } |
| 3214 | else if (f |
| 3215 | && ((event->type == ButtonRelease && event->xbutton.button < 4) |
| 3216 | || event->type == MotionNotify)) |
| 3217 | { |
| 3218 | /* If we are releasing or moving the scroll bar, it has the grab. */ |
| 3219 | GtkWidget *w = gtk_grab_get_current (); |
| 3220 | retval = w != 0 && GTK_IS_SCROLLBAR (w); |
| 3221 | } |
| 3222 | |
| 3223 | return retval; |
| 3224 | } |
| 3225 | |
| 3226 | |
| 3227 | \f |
| 3228 | /*********************************************************************** |
| 3229 | Tool bar functions |
| 3230 | ***********************************************************************/ |
| 3231 | /* The key for the data we put in the GtkImage widgets. The data is |
| 3232 | the image used by Emacs. We use this to see if we need to update |
| 3233 | the GtkImage with a new image. */ |
| 3234 | #define XG_TOOL_BAR_IMAGE_DATA "emacs-tool-bar-image" |
| 3235 | |
| 3236 | /* The key for storing the latest modifiers so the activate callback can |
| 3237 | get them. */ |
| 3238 | #define XG_TOOL_BAR_LAST_MODIFIER "emacs-tool-bar-modifier" |
| 3239 | |
| 3240 | /* The key for storing the button widget in its proxy menu item. */ |
| 3241 | #define XG_TOOL_BAR_PROXY_BUTTON "emacs-tool-bar-proxy-button" |
| 3242 | |
| 3243 | /* The key for the data we put in the GtkImage widgets. The data is |
| 3244 | the stock name used by Emacs. We use this to see if we need to update |
| 3245 | the GtkImage with a new image. */ |
| 3246 | #define XG_TOOL_BAR_STOCK_NAME "emacs-tool-bar-stock-name" |
| 3247 | |
| 3248 | /* As above, but this is used for named theme widgets, as opposed to |
| 3249 | stock items. */ |
| 3250 | #define XG_TOOL_BAR_ICON_NAME "emacs-tool-bar-icon-name" |
| 3251 | |
| 3252 | /* Callback function invoked when a tool bar item is pressed. |
| 3253 | W is the button widget in the tool bar that got pressed, |
| 3254 | CLIENT_DATA is an integer that is the index of the button in the |
| 3255 | tool bar. 0 is the first button. */ |
| 3256 | |
| 3257 | static gboolean |
| 3258 | xg_tool_bar_button_cb (GtkWidget *widget, GdkEventButton *event, gpointer user_data) |
| 3259 | { |
| 3260 | /* Casts to avoid warnings when gpointer is 64 bits and int is 32 bits */ |
| 3261 | gpointer ptr = (gpointer) (EMACS_INT) event->state; |
| 3262 | g_object_set_data (G_OBJECT (widget), XG_TOOL_BAR_LAST_MODIFIER, ptr); |
| 3263 | return FALSE; |
| 3264 | } |
| 3265 | |
| 3266 | |
| 3267 | /* Callback function invoked when a tool bar item is pressed. |
| 3268 | W is the button widget in the tool bar that got pressed, |
| 3269 | CLIENT_DATA is an integer that is the index of the button in the |
| 3270 | tool bar. 0 is the first button. */ |
| 3271 | |
| 3272 | static void |
| 3273 | xg_tool_bar_callback (GtkWidget *w, gpointer client_data) |
| 3274 | { |
| 3275 | /* The EMACS_INT cast avoids a warning. */ |
| 3276 | int idx = (int) (EMACS_INT) client_data; |
| 3277 | int mod = (int) (EMACS_INT) g_object_get_data (G_OBJECT (w), |
| 3278 | XG_TOOL_BAR_LAST_MODIFIER); |
| 3279 | |
| 3280 | FRAME_PTR f = (FRAME_PTR) g_object_get_data (G_OBJECT (w), XG_FRAME_DATA); |
| 3281 | Lisp_Object key, frame; |
| 3282 | struct input_event event; |
| 3283 | EVENT_INIT (event); |
| 3284 | |
| 3285 | if (! f || ! f->n_tool_bar_items || NILP (f->tool_bar_items)) |
| 3286 | return; |
| 3287 | |
| 3288 | idx *= TOOL_BAR_ITEM_NSLOTS; |
| 3289 | |
| 3290 | key = AREF (f->tool_bar_items, idx + TOOL_BAR_ITEM_KEY); |
| 3291 | XSETFRAME (frame, f); |
| 3292 | |
| 3293 | /* We generate two events here. The first one is to set the prefix |
| 3294 | to `(tool_bar)', see keyboard.c. */ |
| 3295 | event.kind = TOOL_BAR_EVENT; |
| 3296 | event.frame_or_window = frame; |
| 3297 | event.arg = frame; |
| 3298 | kbd_buffer_store_event (&event); |
| 3299 | |
| 3300 | event.kind = TOOL_BAR_EVENT; |
| 3301 | event.frame_or_window = frame; |
| 3302 | event.arg = key; |
| 3303 | /* Convert between the modifier bits GDK uses and the modifier bits |
| 3304 | Emacs uses. This assumes GDK and X masks are the same, which they are when |
| 3305 | this is written. */ |
| 3306 | event.modifiers = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), mod); |
| 3307 | kbd_buffer_store_event (&event); |
| 3308 | |
| 3309 | /* Return focus to the frame after we have clicked on a detached |
| 3310 | tool bar button. */ |
| 3311 | Fx_focus_frame (frame); |
| 3312 | } |
| 3313 | |
| 3314 | /* Callback function invoked when a tool bar item is pressed in a detached |
| 3315 | tool bar or the overflow drop down menu. |
| 3316 | We just call xg_tool_bar_callback. |
| 3317 | W is the menu item widget that got pressed, |
| 3318 | CLIENT_DATA is an integer that is the index of the button in the |
| 3319 | tool bar. 0 is the first button. */ |
| 3320 | |
| 3321 | static void |
| 3322 | xg_tool_bar_proxy_callback (GtkWidget *w, gpointer client_data) |
| 3323 | { |
| 3324 | GtkWidget *wbutton = GTK_WIDGET (g_object_get_data (G_OBJECT (w), |
| 3325 | XG_TOOL_BAR_PROXY_BUTTON)); |
| 3326 | xg_tool_bar_callback (wbutton, client_data); |
| 3327 | } |
| 3328 | |
| 3329 | |
| 3330 | static gboolean |
| 3331 | xg_tool_bar_help_callback (GtkWidget *w, |
| 3332 | GdkEventCrossing *event, |
| 3333 | gpointer client_data); |
| 3334 | |
| 3335 | /* This callback is called when a help is to be shown for an item in |
| 3336 | the detached tool bar when the detached tool bar it is not expanded. */ |
| 3337 | |
| 3338 | static gboolean |
| 3339 | xg_tool_bar_proxy_help_callback (GtkWidget *w, GdkEventCrossing *event, gpointer client_data) |
| 3340 | { |
| 3341 | GtkWidget *wbutton = GTK_WIDGET (g_object_get_data (G_OBJECT (w), |
| 3342 | XG_TOOL_BAR_PROXY_BUTTON)); |
| 3343 | |
| 3344 | return xg_tool_bar_help_callback (wbutton, event, client_data); |
| 3345 | } |
| 3346 | |
| 3347 | static GtkWidget * |
| 3348 | xg_get_tool_bar_widgets (GtkWidget *vb, GtkWidget **wimage) |
| 3349 | { |
| 3350 | GList *clist = gtk_container_get_children (GTK_CONTAINER (vb)); |
| 3351 | GtkWidget *c1 = (GtkWidget *) clist->data; |
| 3352 | GtkWidget *c2 = (GtkWidget *) clist->next->data; |
| 3353 | *wimage = GTK_IS_IMAGE (c1) ? c1 : c2; |
| 3354 | g_list_free (clist); |
| 3355 | return GTK_IS_LABEL (c1) ? c1 : c2; |
| 3356 | } |
| 3357 | |
| 3358 | |
| 3359 | /* This callback is called when a tool item should create a proxy item, |
| 3360 | such as for the overflow menu. Also called when the tool bar is detached. |
| 3361 | If we don't create a proxy menu item, the detached tool bar will be |
| 3362 | blank. */ |
| 3363 | |
| 3364 | static gboolean |
| 3365 | xg_tool_bar_menu_proxy (GtkToolItem *toolitem, gpointer user_data) |
| 3366 | { |
| 3367 | GtkWidget *weventbox = gtk_bin_get_child (GTK_BIN (toolitem)); |
| 3368 | GtkButton *wbutton = GTK_BUTTON (gtk_bin_get_child (GTK_BIN (weventbox))); |
| 3369 | GtkWidget *vb = gtk_bin_get_child (GTK_BIN (wbutton)); |
| 3370 | GtkWidget *c1; |
| 3371 | GtkLabel *wlbl = GTK_LABEL (xg_get_tool_bar_widgets (vb, &c1)); |
| 3372 | GtkImage *wimage = GTK_IMAGE (c1); |
| 3373 | GtkWidget *wmenuitem = gtk_image_menu_item_new_with_label |
| 3374 | (gtk_label_get_text (wlbl)); |
| 3375 | GtkWidget *wmenuimage; |
| 3376 | |
| 3377 | |
| 3378 | if (gtk_button_get_use_stock (wbutton)) |
| 3379 | wmenuimage = gtk_image_new_from_stock (gtk_button_get_label (wbutton), |
| 3380 | GTK_ICON_SIZE_MENU); |
| 3381 | else |
| 3382 | { |
| 3383 | GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (wbutton)); |
| 3384 | GtkImageType store_type = gtk_image_get_storage_type (wimage); |
| 3385 | |
| 3386 | if (store_type == GTK_IMAGE_STOCK) |
| 3387 | { |
| 3388 | gchar *stock_id; |
| 3389 | gtk_image_get_stock (wimage, &stock_id, NULL); |
| 3390 | wmenuimage = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_MENU); |
| 3391 | } |
| 3392 | else if (store_type == GTK_IMAGE_ICON_SET) |
| 3393 | { |
| 3394 | GtkIconSet *icon_set; |
| 3395 | gtk_image_get_icon_set (wimage, &icon_set, NULL); |
| 3396 | wmenuimage = gtk_image_new_from_icon_set (icon_set, |
| 3397 | GTK_ICON_SIZE_MENU); |
| 3398 | } |
| 3399 | else if (store_type == GTK_IMAGE_PIXBUF) |
| 3400 | { |
| 3401 | gint width, height; |
| 3402 | |
| 3403 | if (settings && |
| 3404 | gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU, |
| 3405 | &width, &height)) |
| 3406 | { |
| 3407 | GdkPixbuf *src_pixbuf, *dest_pixbuf; |
| 3408 | |
| 3409 | src_pixbuf = gtk_image_get_pixbuf (wimage); |
| 3410 | dest_pixbuf = gdk_pixbuf_scale_simple (src_pixbuf, width, height, |
| 3411 | GDK_INTERP_BILINEAR); |
| 3412 | |
| 3413 | wmenuimage = gtk_image_new_from_pixbuf (dest_pixbuf); |
| 3414 | } |
| 3415 | else |
| 3416 | { |
| 3417 | fprintf (stderr, "internal error: GTK_IMAGE_PIXBUF failed\n"); |
| 3418 | abort (); |
| 3419 | } |
| 3420 | } |
| 3421 | else if (store_type == GTK_IMAGE_ICON_NAME) |
| 3422 | { |
| 3423 | const gchar *icon_name; |
| 3424 | GtkIconSize icon_size; |
| 3425 | |
| 3426 | gtk_image_get_icon_name (wimage, &icon_name, &icon_size); |
| 3427 | wmenuimage = gtk_image_new_from_icon_name (icon_name, |
| 3428 | GTK_ICON_SIZE_MENU); |
| 3429 | } |
| 3430 | else |
| 3431 | { |
| 3432 | fprintf (stderr, "internal error: store_type is %d\n", store_type); |
| 3433 | abort (); |
| 3434 | } |
| 3435 | } |
| 3436 | if (wmenuimage) |
| 3437 | gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (wmenuitem), wmenuimage); |
| 3438 | |
| 3439 | g_signal_connect (G_OBJECT (wmenuitem), |
| 3440 | "activate", |
| 3441 | G_CALLBACK (xg_tool_bar_proxy_callback), |
| 3442 | user_data); |
| 3443 | |
| 3444 | |
| 3445 | g_object_set_data (G_OBJECT (wmenuitem), XG_TOOL_BAR_PROXY_BUTTON, |
| 3446 | (gpointer) wbutton); |
| 3447 | gtk_tool_item_set_proxy_menu_item (toolitem, "Emacs toolbar item", wmenuitem); |
| 3448 | gtk_widget_set_sensitive (wmenuitem, |
| 3449 | gtk_widget_get_sensitive (GTK_WIDGET (wbutton))); |
| 3450 | |
| 3451 | /* Use enter/leave notify to show help. We use the events |
| 3452 | rather than the GtkButton specific signals "enter" and |
| 3453 | "leave", so we can have only one callback. The event |
| 3454 | will tell us what kind of event it is. */ |
| 3455 | g_signal_connect (G_OBJECT (wmenuitem), |
| 3456 | "enter-notify-event", |
| 3457 | G_CALLBACK (xg_tool_bar_proxy_help_callback), |
| 3458 | user_data); |
| 3459 | g_signal_connect (G_OBJECT (wmenuitem), |
| 3460 | "leave-notify-event", |
| 3461 | G_CALLBACK (xg_tool_bar_proxy_help_callback), |
| 3462 | user_data); |
| 3463 | |
| 3464 | return TRUE; |
| 3465 | } |
| 3466 | |
| 3467 | /* This callback is called when a tool bar is detached. We must set |
| 3468 | the height of the tool bar to zero when this happens so frame sizes |
| 3469 | are correctly calculated. |
| 3470 | WBOX is the handle box widget that enables detach/attach of the tool bar. |
| 3471 | W is the tool bar widget. |
| 3472 | CLIENT_DATA is a pointer to the frame the tool bar belongs to. */ |
| 3473 | |
| 3474 | static void |
| 3475 | xg_tool_bar_detach_callback (GtkHandleBox *wbox, GtkWidget *w, gpointer client_data) |
| 3476 | { |
| 3477 | FRAME_PTR f = (FRAME_PTR) client_data; |
| 3478 | extern int x_gtk_whole_detached_tool_bar; |
| 3479 | |
| 3480 | g_object_set (G_OBJECT (w), "show-arrow", !x_gtk_whole_detached_tool_bar, |
| 3481 | NULL); |
| 3482 | |
| 3483 | if (f) |
| 3484 | { |
| 3485 | FRAME_X_OUTPUT (f)->toolbar_detached = 1; |
| 3486 | |
| 3487 | /* When detaching a tool bar, not everything dissapear. There are |
| 3488 | a few pixels left that are used to drop the tool bar back into |
| 3489 | place. */ |
| 3490 | FRAME_TOOLBAR_HEIGHT (f) = 4; |
| 3491 | xg_height_changed (f); |
| 3492 | } |
| 3493 | } |
| 3494 | |
| 3495 | /* This callback is called when a tool bar is reattached. We must set |
| 3496 | the height of the tool bar when this happens so frame sizes |
| 3497 | are correctly calculated. |
| 3498 | WBOX is the handle box widget that enables detach/attach of the tool bar. |
| 3499 | W is the tool bar widget. |
| 3500 | CLIENT_DATA is a pointer to the frame the tool bar belongs to. */ |
| 3501 | |
| 3502 | static void |
| 3503 | xg_tool_bar_attach_callback (GtkHandleBox *wbox, GtkWidget *w, gpointer client_data) |
| 3504 | { |
| 3505 | FRAME_PTR f = (FRAME_PTR) client_data; |
| 3506 | g_object_set (G_OBJECT (w), "show-arrow", TRUE, NULL); |
| 3507 | |
| 3508 | if (f) |
| 3509 | { |
| 3510 | GtkRequisition req; |
| 3511 | |
| 3512 | FRAME_X_OUTPUT (f)->toolbar_detached = 0; |
| 3513 | |
| 3514 | gtk_widget_size_request (w, &req); |
| 3515 | FRAME_TOOLBAR_HEIGHT (f) = req.height; |
| 3516 | xg_height_changed (f); |
| 3517 | } |
| 3518 | } |
| 3519 | |
| 3520 | /* This callback is called when the mouse enters or leaves a tool bar item. |
| 3521 | It is used for displaying and hiding the help text. |
| 3522 | W is the tool bar item, a button. |
| 3523 | EVENT is either an enter event or leave event. |
| 3524 | CLIENT_DATA is an integer that is the index of the button in the |
| 3525 | tool bar. 0 is the first button. |
| 3526 | |
| 3527 | Returns FALSE to tell GTK to keep processing this event. */ |
| 3528 | |
| 3529 | static gboolean |
| 3530 | xg_tool_bar_help_callback (GtkWidget *w, GdkEventCrossing *event, gpointer client_data) |
| 3531 | { |
| 3532 | /* The EMACS_INT cast avoids a warning. */ |
| 3533 | int idx = (int) (EMACS_INT) client_data; |
| 3534 | FRAME_PTR f = (FRAME_PTR) g_object_get_data (G_OBJECT (w), XG_FRAME_DATA); |
| 3535 | Lisp_Object help, frame; |
| 3536 | |
| 3537 | if (! f || ! f->n_tool_bar_items || NILP (f->tool_bar_items)) |
| 3538 | return FALSE; |
| 3539 | |
| 3540 | if (event->type == GDK_ENTER_NOTIFY) |
| 3541 | { |
| 3542 | idx *= TOOL_BAR_ITEM_NSLOTS; |
| 3543 | help = AREF (f->tool_bar_items, idx + TOOL_BAR_ITEM_HELP); |
| 3544 | |
| 3545 | if (NILP (help)) |
| 3546 | help = AREF (f->tool_bar_items, idx + TOOL_BAR_ITEM_CAPTION); |
| 3547 | } |
| 3548 | else |
| 3549 | help = Qnil; |
| 3550 | |
| 3551 | XSETFRAME (frame, f); |
| 3552 | kbd_buffer_store_help_event (frame, help); |
| 3553 | |
| 3554 | return FALSE; |
| 3555 | } |
| 3556 | |
| 3557 | |
| 3558 | /* This callback is called when a tool bar item shall be redrawn. |
| 3559 | It modifies the expose event so that the GtkImage widget redraws the |
| 3560 | whole image. This to overcome a bug that makes GtkImage draw the image |
| 3561 | in the wrong place when it tries to redraw just a part of the image. |
| 3562 | W is the GtkImage to be redrawn. |
| 3563 | EVENT is the expose event for W. |
| 3564 | CLIENT_DATA is unused. |
| 3565 | |
| 3566 | Returns FALSE to tell GTK to keep processing this event. */ |
| 3567 | |
| 3568 | static gboolean |
| 3569 | xg_tool_bar_item_expose_callback (GtkWidget *w, GdkEventExpose *event, gpointer client_data) |
| 3570 | { |
| 3571 | gint width, height; |
| 3572 | |
| 3573 | gdk_drawable_get_size (event->window, &width, &height); |
| 3574 | |
| 3575 | event->area.x -= width > event->area.width ? width-event->area.width : 0; |
| 3576 | event->area.y -= height > event->area.height ? height-event->area.height : 0; |
| 3577 | |
| 3578 | event->area.x = max (0, event->area.x); |
| 3579 | event->area.y = max (0, event->area.y); |
| 3580 | |
| 3581 | event->area.width = max (width, event->area.width); |
| 3582 | event->area.height = max (height, event->area.height); |
| 3583 | |
| 3584 | return FALSE; |
| 3585 | } |
| 3586 | |
| 3587 | /* Attach a tool bar to frame F. */ |
| 3588 | |
| 3589 | static void |
| 3590 | xg_pack_tool_bar (FRAME_PTR f) |
| 3591 | { |
| 3592 | struct x_output *x = f->output_data.x; |
| 3593 | int vbox_pos = x->menubar_widget ? 1 : 0; |
| 3594 | |
| 3595 | x->handlebox_widget = gtk_handle_box_new (); |
| 3596 | g_signal_connect (G_OBJECT (x->handlebox_widget), "child-detached", |
| 3597 | G_CALLBACK (xg_tool_bar_detach_callback), f); |
| 3598 | g_signal_connect (G_OBJECT (x->handlebox_widget), "child-attached", |
| 3599 | G_CALLBACK (xg_tool_bar_attach_callback), f); |
| 3600 | |
| 3601 | gtk_container_add (GTK_CONTAINER (x->handlebox_widget), |
| 3602 | x->toolbar_widget); |
| 3603 | |
| 3604 | gtk_box_pack_start (GTK_BOX (x->vbox_widget), x->handlebox_widget, |
| 3605 | FALSE, FALSE, 0); |
| 3606 | |
| 3607 | gtk_box_reorder_child (GTK_BOX (x->vbox_widget), x->handlebox_widget, |
| 3608 | vbox_pos); |
| 3609 | |
| 3610 | gtk_widget_show (x->toolbar_widget); |
| 3611 | gtk_widget_show (x->handlebox_widget); |
| 3612 | } |
| 3613 | |
| 3614 | /* Create a tool bar for frame F. */ |
| 3615 | #ifdef HAVE_GTK_ORIENTABLE_SET_ORIENTATION |
| 3616 | #define toolbar_set_orientation(w, o) \ |
| 3617 | gtk_orientable_set_orientation (GTK_ORIENTABLE (w), o) |
| 3618 | #else |
| 3619 | #define toolbar_set_orientation(w, o) \ |
| 3620 | gtk_toolbar_set_orientation (GTK_TOOLBAR (w), o) |
| 3621 | #endif |
| 3622 | |
| 3623 | static void |
| 3624 | xg_create_tool_bar (FRAME_PTR f) |
| 3625 | { |
| 3626 | struct x_output *x = f->output_data.x; |
| 3627 | |
| 3628 | x->toolbar_widget = gtk_toolbar_new (); |
| 3629 | x->toolbar_detached = 0; |
| 3630 | |
| 3631 | gtk_widget_set_name (x->toolbar_widget, "emacs-toolbar"); |
| 3632 | |
| 3633 | gtk_toolbar_set_style (GTK_TOOLBAR (x->toolbar_widget), GTK_TOOLBAR_ICONS); |
| 3634 | toolbar_set_orientation (x->toolbar_widget, |
| 3635 | GTK_ORIENTATION_HORIZONTAL); |
| 3636 | } |
| 3637 | |
| 3638 | |
| 3639 | #define PROP(IDX) AREF (f->tool_bar_items, i * TOOL_BAR_ITEM_NSLOTS + (IDX)) |
| 3640 | |
| 3641 | /* Find the right-to-left image named by RTL in the tool bar images for F. |
| 3642 | Returns IMAGE if RTL is not found. */ |
| 3643 | |
| 3644 | static Lisp_Object |
| 3645 | find_rtl_image (FRAME_PTR f, Lisp_Object image, Lisp_Object rtl) |
| 3646 | { |
| 3647 | int i; |
| 3648 | Lisp_Object file, rtl_name; |
| 3649 | struct gcpro gcpro1, gcpro2; |
| 3650 | GCPRO2 (file, rtl_name); |
| 3651 | |
| 3652 | rtl_name = Ffile_name_nondirectory (rtl); |
| 3653 | |
| 3654 | for (i = 0; i < f->n_tool_bar_items; ++i) |
| 3655 | { |
| 3656 | Lisp_Object rtl_image = PROP (TOOL_BAR_ITEM_IMAGES); |
| 3657 | if (!NILP (file = file_for_image (rtl_image))) |
| 3658 | { |
| 3659 | file = call1 (intern ("file-name-sans-extension"), |
| 3660 | Ffile_name_nondirectory (file)); |
| 3661 | if (EQ (Fequal (file, rtl_name), Qt)) |
| 3662 | { |
| 3663 | image = rtl_image; |
| 3664 | break; |
| 3665 | } |
| 3666 | } |
| 3667 | } |
| 3668 | |
| 3669 | return image; |
| 3670 | } |
| 3671 | |
| 3672 | static GtkToolItem * |
| 3673 | xg_make_tool_item (FRAME_PTR f, |
| 3674 | GtkWidget *wimage, |
| 3675 | GtkWidget **wbutton, |
| 3676 | char *label, |
| 3677 | int i) |
| 3678 | { |
| 3679 | GtkToolItem *ti = gtk_tool_item_new (); |
| 3680 | GtkWidget *vb = EQ (Vtool_bar_style, Qboth_horiz) |
| 3681 | ? gtk_hbox_new (FALSE, 0) : gtk_vbox_new (FALSE, 0); |
| 3682 | GtkWidget *wb = gtk_button_new (); |
| 3683 | GtkWidget *weventbox = gtk_event_box_new (); |
| 3684 | |
| 3685 | if (wimage) |
| 3686 | gtk_box_pack_start (GTK_BOX (vb), wimage, TRUE, TRUE, 0); |
| 3687 | |
| 3688 | gtk_box_pack_start (GTK_BOX (vb), gtk_label_new (label), TRUE, TRUE, 0); |
| 3689 | gtk_button_set_focus_on_click (GTK_BUTTON (wb), FALSE); |
| 3690 | gtk_button_set_relief (GTK_BUTTON (wb), GTK_RELIEF_NONE); |
| 3691 | gtk_container_add (GTK_CONTAINER (wb), vb); |
| 3692 | gtk_container_add (GTK_CONTAINER (weventbox), wb); |
| 3693 | gtk_container_add (GTK_CONTAINER (ti), weventbox); |
| 3694 | |
| 3695 | if (wimage) |
| 3696 | { |
| 3697 | /* The EMACS_INT cast avoids a warning. */ |
| 3698 | g_signal_connect (G_OBJECT (ti), "create-menu-proxy", |
| 3699 | G_CALLBACK (xg_tool_bar_menu_proxy), |
| 3700 | (gpointer) (EMACS_INT) i); |
| 3701 | |
| 3702 | g_signal_connect (G_OBJECT (wb), "clicked", |
| 3703 | G_CALLBACK (xg_tool_bar_callback), |
| 3704 | (gpointer) (EMACS_INT) i); |
| 3705 | |
| 3706 | g_object_set_data (G_OBJECT (weventbox), XG_FRAME_DATA, (gpointer)f); |
| 3707 | |
| 3708 | /* Catch expose events to overcome an annoying redraw bug, see |
| 3709 | comment for xg_tool_bar_item_expose_callback. */ |
| 3710 | g_signal_connect (G_OBJECT (ti), |
| 3711 | "expose-event", |
| 3712 | G_CALLBACK (xg_tool_bar_item_expose_callback), |
| 3713 | 0); |
| 3714 | |
| 3715 | gtk_tool_item_set_homogeneous (ti, FALSE); |
| 3716 | |
| 3717 | /* Callback to save modifyer mask (Shift/Control, etc). GTK makes |
| 3718 | no distinction based on modifiers in the activate callback, |
| 3719 | so we have to do it ourselves. */ |
| 3720 | g_signal_connect (wb, "button-release-event", |
| 3721 | G_CALLBACK (xg_tool_bar_button_cb), |
| 3722 | NULL); |
| 3723 | |
| 3724 | g_object_set_data (G_OBJECT (wb), XG_FRAME_DATA, (gpointer)f); |
| 3725 | |
| 3726 | /* Use enter/leave notify to show help. We use the events |
| 3727 | rather than the GtkButton specific signals "enter" and |
| 3728 | "leave", so we can have only one callback. The event |
| 3729 | will tell us what kind of event it is. */ |
| 3730 | /* The EMACS_INT cast avoids a warning. */ |
| 3731 | g_signal_connect (G_OBJECT (weventbox), |
| 3732 | "enter-notify-event", |
| 3733 | G_CALLBACK (xg_tool_bar_help_callback), |
| 3734 | (gpointer) (EMACS_INT) i); |
| 3735 | g_signal_connect (G_OBJECT (weventbox), |
| 3736 | "leave-notify-event", |
| 3737 | G_CALLBACK (xg_tool_bar_help_callback), |
| 3738 | (gpointer) (EMACS_INT) i); |
| 3739 | } |
| 3740 | |
| 3741 | if (wbutton) *wbutton = wb; |
| 3742 | |
| 3743 | return ti; |
| 3744 | } |
| 3745 | |
| 3746 | static void |
| 3747 | xg_show_toolbar_item (GtkToolItem *ti) |
| 3748 | { |
| 3749 | Lisp_Object style = Ftool_bar_get_system_style (); |
| 3750 | |
| 3751 | int show_label = EQ (style, Qboth) |
| 3752 | || EQ (style, Qboth_horiz) || EQ (style, Qtext); |
| 3753 | int show_image = ! EQ (style, Qtext); |
| 3754 | int horiz = EQ (style, Qboth_horiz); |
| 3755 | |
| 3756 | GtkWidget *weventbox = gtk_bin_get_child (GTK_BIN (ti)); |
| 3757 | GtkWidget *wbutton = gtk_bin_get_child (GTK_BIN (weventbox)); |
| 3758 | GtkWidget *vb = gtk_bin_get_child (GTK_BIN (wbutton)); |
| 3759 | GtkWidget *wimage; |
| 3760 | GtkWidget *wlbl = xg_get_tool_bar_widgets (vb, &wimage); |
| 3761 | GtkWidget *new_box = NULL; |
| 3762 | |
| 3763 | if (GTK_IS_VBOX (vb) && horiz) |
| 3764 | new_box = gtk_hbox_new (FALSE, 0); |
| 3765 | else if (GTK_IS_HBOX (vb) && !horiz && show_label && show_image) |
| 3766 | new_box = gtk_vbox_new (FALSE, 0); |
| 3767 | if (new_box) |
| 3768 | { |
| 3769 | g_object_ref (G_OBJECT (wimage)); |
| 3770 | g_object_ref (G_OBJECT (wlbl)); |
| 3771 | gtk_container_remove (GTK_CONTAINER (vb), wimage); |
| 3772 | gtk_container_remove (GTK_CONTAINER (vb), wlbl); |
| 3773 | gtk_widget_destroy (GTK_WIDGET (vb)); |
| 3774 | gtk_box_pack_start (GTK_BOX (new_box), wimage, TRUE, TRUE, 0); |
| 3775 | gtk_box_pack_start (GTK_BOX (new_box), wlbl, TRUE, TRUE, 0); |
| 3776 | gtk_container_add (GTK_CONTAINER (wbutton), new_box); |
| 3777 | g_object_unref (G_OBJECT (wimage)); |
| 3778 | g_object_unref (G_OBJECT (wlbl)); |
| 3779 | vb = new_box; |
| 3780 | } |
| 3781 | |
| 3782 | if (show_label) gtk_widget_show (wlbl); |
| 3783 | else gtk_widget_hide (wlbl); |
| 3784 | if (show_image) gtk_widget_show (wimage); |
| 3785 | else gtk_widget_hide (wimage); |
| 3786 | gtk_widget_show (GTK_WIDGET (weventbox)); |
| 3787 | gtk_widget_show (GTK_WIDGET (vb)); |
| 3788 | gtk_widget_show (GTK_WIDGET (wbutton)); |
| 3789 | gtk_widget_show (GTK_WIDGET (ti)); |
| 3790 | } |
| 3791 | |
| 3792 | |
| 3793 | /* Update the tool bar for frame F. Add new buttons and remove old. */ |
| 3794 | |
| 3795 | extern Lisp_Object Qx_gtk_map_stock; |
| 3796 | |
| 3797 | void |
| 3798 | update_frame_tool_bar (FRAME_PTR f) |
| 3799 | { |
| 3800 | int i; |
| 3801 | GtkRequisition old_req, new_req; |
| 3802 | struct x_output *x = f->output_data.x; |
| 3803 | int hmargin = 0, vmargin = 0; |
| 3804 | GtkToolbar *wtoolbar; |
| 3805 | GtkToolItem *ti; |
| 3806 | GtkTextDirection dir; |
| 3807 | int pack_tool_bar = x->handlebox_widget == NULL; |
| 3808 | |
| 3809 | if (! FRAME_GTK_WIDGET (f)) |
| 3810 | return; |
| 3811 | |
| 3812 | BLOCK_INPUT; |
| 3813 | |
| 3814 | if (INTEGERP (Vtool_bar_button_margin) |
| 3815 | && XINT (Vtool_bar_button_margin) > 0) |
| 3816 | { |
| 3817 | hmargin = XFASTINT (Vtool_bar_button_margin); |
| 3818 | vmargin = XFASTINT (Vtool_bar_button_margin); |
| 3819 | } |
| 3820 | else if (CONSP (Vtool_bar_button_margin)) |
| 3821 | { |
| 3822 | if (INTEGERP (XCAR (Vtool_bar_button_margin)) |
| 3823 | && XINT (XCAR (Vtool_bar_button_margin)) > 0) |
| 3824 | hmargin = XFASTINT (XCAR (Vtool_bar_button_margin)); |
| 3825 | |
| 3826 | if (INTEGERP (XCDR (Vtool_bar_button_margin)) |
| 3827 | && XINT (XCDR (Vtool_bar_button_margin)) > 0) |
| 3828 | vmargin = XFASTINT (XCDR (Vtool_bar_button_margin)); |
| 3829 | } |
| 3830 | |
| 3831 | /* The natural size (i.e. when GTK uses 0 as margin) looks best, |
| 3832 | so take DEFAULT_TOOL_BAR_BUTTON_MARGIN to mean "default for GTK", |
| 3833 | i.e. zero. This means that margins less than |
| 3834 | DEFAULT_TOOL_BAR_BUTTON_MARGIN has no effect. */ |
| 3835 | hmargin = max (0, hmargin - DEFAULT_TOOL_BAR_BUTTON_MARGIN); |
| 3836 | vmargin = max (0, vmargin - DEFAULT_TOOL_BAR_BUTTON_MARGIN); |
| 3837 | |
| 3838 | if (! x->toolbar_widget) |
| 3839 | xg_create_tool_bar (f); |
| 3840 | |
| 3841 | wtoolbar = GTK_TOOLBAR (x->toolbar_widget); |
| 3842 | gtk_widget_size_request (GTK_WIDGET (wtoolbar), &old_req); |
| 3843 | dir = gtk_widget_get_direction (GTK_WIDGET (wtoolbar)); |
| 3844 | |
| 3845 | for (i = 0; i < f->n_tool_bar_items; ++i) |
| 3846 | { |
| 3847 | int enabled_p = !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P)); |
| 3848 | int selected_p = !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P)); |
| 3849 | int idx; |
| 3850 | int img_id; |
| 3851 | int icon_size = 0; |
| 3852 | struct image *img = NULL; |
| 3853 | Lisp_Object image; |
| 3854 | Lisp_Object stock = Qnil; |
| 3855 | GtkStockItem stock_item; |
| 3856 | char *stock_name = NULL; |
| 3857 | char *icon_name = NULL; |
| 3858 | Lisp_Object rtl; |
| 3859 | GtkWidget *wbutton = NULL; |
| 3860 | GtkWidget *weventbox; |
| 3861 | Lisp_Object specified_file; |
| 3862 | Lisp_Object lbl = PROP (TOOL_BAR_ITEM_LABEL); |
| 3863 | char *label = SSDATA (PROP (TOOL_BAR_ITEM_LABEL)); |
| 3864 | |
| 3865 | ti = gtk_toolbar_get_nth_item (GTK_TOOLBAR (wtoolbar), i); |
| 3866 | |
| 3867 | if (ti) |
| 3868 | { |
| 3869 | weventbox = gtk_bin_get_child (GTK_BIN (ti)); |
| 3870 | wbutton = gtk_bin_get_child (GTK_BIN (weventbox)); |
| 3871 | } |
| 3872 | |
| 3873 | |
| 3874 | image = PROP (TOOL_BAR_ITEM_IMAGES); |
| 3875 | |
| 3876 | /* Ignore invalid image specifications. */ |
| 3877 | if (!valid_image_p (image)) |
| 3878 | { |
| 3879 | if (wbutton) gtk_widget_hide (wbutton); |
| 3880 | continue; |
| 3881 | } |
| 3882 | |
| 3883 | specified_file = file_for_image (image); |
| 3884 | if (!NILP (specified_file) && !NILP (Ffboundp (Qx_gtk_map_stock))) |
| 3885 | stock = call1 (Qx_gtk_map_stock, specified_file); |
| 3886 | |
| 3887 | if (STRINGP (stock)) |
| 3888 | { |
| 3889 | stock_name = SSDATA (stock); |
| 3890 | if (stock_name[0] == 'n' && stock_name[1] == ':') |
| 3891 | { |
| 3892 | GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (wtoolbar)); |
| 3893 | GtkIconTheme *icon_theme = gtk_icon_theme_get_for_screen (screen); |
| 3894 | |
| 3895 | icon_name = stock_name + 2; |
| 3896 | stock_name = NULL; |
| 3897 | stock = Qnil; |
| 3898 | |
| 3899 | if (! gtk_icon_theme_has_icon (icon_theme, icon_name)) |
| 3900 | icon_name = NULL; |
| 3901 | else |
| 3902 | icon_size = gtk_toolbar_get_icon_size (wtoolbar); |
| 3903 | } |
| 3904 | else if (gtk_stock_lookup (SSDATA (stock), &stock_item)) |
| 3905 | icon_size = gtk_toolbar_get_icon_size (wtoolbar); |
| 3906 | else |
| 3907 | { |
| 3908 | stock = Qnil; |
| 3909 | stock_name = NULL; |
| 3910 | } |
| 3911 | } |
| 3912 | |
| 3913 | if (stock_name == NULL && icon_name == NULL) |
| 3914 | { |
| 3915 | /* No stock image, or stock item not known. Try regular image. */ |
| 3916 | |
| 3917 | /* If image is a vector, choose the image according to the |
| 3918 | button state. */ |
| 3919 | if (dir == GTK_TEXT_DIR_RTL |
| 3920 | && !NILP (rtl = PROP (TOOL_BAR_ITEM_RTL_IMAGE)) |
| 3921 | && STRINGP (rtl)) |
| 3922 | { |
| 3923 | image = find_rtl_image (f, image, rtl); |
| 3924 | } |
| 3925 | |
| 3926 | if (VECTORP (image)) |
| 3927 | { |
| 3928 | if (enabled_p) |
| 3929 | idx = (selected_p |
| 3930 | ? TOOL_BAR_IMAGE_ENABLED_SELECTED |
| 3931 | : TOOL_BAR_IMAGE_ENABLED_DESELECTED); |
| 3932 | else |
| 3933 | idx = (selected_p |
| 3934 | ? TOOL_BAR_IMAGE_DISABLED_SELECTED |
| 3935 | : TOOL_BAR_IMAGE_DISABLED_DESELECTED); |
| 3936 | |
| 3937 | xassert (ASIZE (image) >= idx); |
| 3938 | image = AREF (image, idx); |
| 3939 | } |
| 3940 | else |
| 3941 | idx = -1; |
| 3942 | |
| 3943 | img_id = lookup_image (f, image); |
| 3944 | img = IMAGE_FROM_ID (f, img_id); |
| 3945 | prepare_image_for_display (f, img); |
| 3946 | |
| 3947 | if (img->load_failed_p || img->pixmap == None) |
| 3948 | { |
| 3949 | if (ti) |
| 3950 | gtk_widget_hide_all (GTK_WIDGET (ti)); |
| 3951 | else |
| 3952 | { |
| 3953 | /* Insert an empty (non-image) button */ |
| 3954 | ti = xg_make_tool_item (f, NULL, NULL, "", i); |
| 3955 | gtk_toolbar_insert (GTK_TOOLBAR (wtoolbar), ti, -1); |
| 3956 | } |
| 3957 | continue; |
| 3958 | } |
| 3959 | } |
| 3960 | |
| 3961 | if (ti == NULL) |
| 3962 | { |
| 3963 | GtkWidget *w; |
| 3964 | if (stock_name) |
| 3965 | { |
| 3966 | w = gtk_image_new_from_stock (stock_name, icon_size); |
| 3967 | g_object_set_data_full (G_OBJECT (w), XG_TOOL_BAR_STOCK_NAME, |
| 3968 | (gpointer) xstrdup (stock_name), |
| 3969 | (GDestroyNotify) xfree); |
| 3970 | } |
| 3971 | else if (icon_name) |
| 3972 | { |
| 3973 | w = gtk_image_new_from_icon_name (icon_name, icon_size); |
| 3974 | g_object_set_data_full (G_OBJECT (w), XG_TOOL_BAR_ICON_NAME, |
| 3975 | (gpointer) xstrdup (icon_name), |
| 3976 | (GDestroyNotify) xfree); |
| 3977 | } |
| 3978 | else |
| 3979 | { |
| 3980 | w = xg_get_image_for_pixmap (f, img, x->widget, NULL); |
| 3981 | /* Save the image so we can see if an update is needed when |
| 3982 | this function is called again. */ |
| 3983 | g_object_set_data (G_OBJECT (w), XG_TOOL_BAR_IMAGE_DATA, |
| 3984 | (gpointer)img->pixmap); |
| 3985 | } |
| 3986 | |
| 3987 | gtk_misc_set_padding (GTK_MISC (w), hmargin, vmargin); |
| 3988 | ti = xg_make_tool_item (f, w, &wbutton, label, i); |
| 3989 | gtk_toolbar_insert (GTK_TOOLBAR (wtoolbar), ti, -1); |
| 3990 | gtk_widget_set_sensitive (wbutton, enabled_p); |
| 3991 | } |
| 3992 | else |
| 3993 | { |
| 3994 | GtkWidget *vb = gtk_bin_get_child (GTK_BIN (wbutton)); |
| 3995 | GtkWidget *wimage; |
| 3996 | GtkWidget *wlbl = xg_get_tool_bar_widgets (vb, &wimage); |
| 3997 | |
| 3998 | Pixmap old_img = (Pixmap)g_object_get_data (G_OBJECT (wimage), |
| 3999 | XG_TOOL_BAR_IMAGE_DATA); |
| 4000 | gpointer old_stock_name = g_object_get_data (G_OBJECT (wimage), |
| 4001 | XG_TOOL_BAR_STOCK_NAME); |
| 4002 | gpointer old_icon_name = g_object_get_data (G_OBJECT (wimage), |
| 4003 | XG_TOOL_BAR_ICON_NAME); |
| 4004 | gtk_label_set_text (GTK_LABEL (wlbl), label); |
| 4005 | if (stock_name && |
| 4006 | (! old_stock_name || strcmp (old_stock_name, stock_name) != 0)) |
| 4007 | { |
| 4008 | gtk_image_set_from_stock (GTK_IMAGE (wimage), |
| 4009 | stock_name, icon_size); |
| 4010 | g_object_set_data_full (G_OBJECT (wimage), XG_TOOL_BAR_STOCK_NAME, |
| 4011 | (gpointer) xstrdup (stock_name), |
| 4012 | (GDestroyNotify) xfree); |
| 4013 | g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_IMAGE_DATA, |
| 4014 | NULL); |
| 4015 | g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_ICON_NAME, |
| 4016 | NULL); |
| 4017 | } |
| 4018 | else if (icon_name && |
| 4019 | (! old_icon_name || strcmp (old_icon_name, icon_name) != 0)) |
| 4020 | { |
| 4021 | gtk_image_set_from_icon_name (GTK_IMAGE (wimage), |
| 4022 | icon_name, icon_size); |
| 4023 | g_object_set_data_full (G_OBJECT (wimage), XG_TOOL_BAR_ICON_NAME, |
| 4024 | (gpointer) xstrdup (icon_name), |
| 4025 | (GDestroyNotify) xfree); |
| 4026 | g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_IMAGE_DATA, |
| 4027 | NULL); |
| 4028 | g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_STOCK_NAME, |
| 4029 | NULL); |
| 4030 | } |
| 4031 | else if (img && old_img != img->pixmap) |
| 4032 | { |
| 4033 | (void) xg_get_image_for_pixmap (f, img, x->widget, wimage); |
| 4034 | g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_IMAGE_DATA, |
| 4035 | (gpointer)img->pixmap); |
| 4036 | |
| 4037 | g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_STOCK_NAME, |
| 4038 | NULL); |
| 4039 | g_object_set_data (G_OBJECT (wimage), XG_TOOL_BAR_ICON_NAME, |
| 4040 | NULL); |
| 4041 | } |
| 4042 | |
| 4043 | gtk_misc_set_padding (GTK_MISC (wimage), hmargin, vmargin); |
| 4044 | |
| 4045 | gtk_widget_set_sensitive (wbutton, enabled_p); |
| 4046 | } |
| 4047 | xg_show_toolbar_item (ti); |
| 4048 | |
| 4049 | #undef PROP |
| 4050 | } |
| 4051 | |
| 4052 | /* Remove buttons not longer needed. We just hide them so they |
| 4053 | can be reused later on. */ |
| 4054 | do |
| 4055 | { |
| 4056 | ti = gtk_toolbar_get_nth_item (GTK_TOOLBAR (wtoolbar), i++); |
| 4057 | if (ti) gtk_widget_hide_all (GTK_WIDGET (ti)); |
| 4058 | } while (ti != NULL); |
| 4059 | |
| 4060 | new_req.height = 0; |
| 4061 | if (pack_tool_bar && f->n_tool_bar_items != 0) |
| 4062 | xg_pack_tool_bar (f); |
| 4063 | |
| 4064 | |
| 4065 | gtk_widget_size_request (GTK_WIDGET (wtoolbar), &new_req); |
| 4066 | if (old_req.height != new_req.height |
| 4067 | && ! FRAME_X_OUTPUT (f)->toolbar_detached) |
| 4068 | { |
| 4069 | FRAME_TOOLBAR_HEIGHT (f) = new_req.height; |
| 4070 | xg_height_changed (f); |
| 4071 | } |
| 4072 | UNBLOCK_INPUT; |
| 4073 | } |
| 4074 | |
| 4075 | /* Deallocate all resources for the tool bar on frame F. |
| 4076 | Remove the tool bar. */ |
| 4077 | |
| 4078 | void |
| 4079 | free_frame_tool_bar (FRAME_PTR f) |
| 4080 | { |
| 4081 | struct x_output *x = f->output_data.x; |
| 4082 | |
| 4083 | if (x->toolbar_widget) |
| 4084 | { |
| 4085 | int is_packed = x->handlebox_widget != 0; |
| 4086 | BLOCK_INPUT; |
| 4087 | /* We may have created the toolbar_widget in xg_create_tool_bar, but |
| 4088 | not the x->handlebox_widget which is created in xg_pack_tool_bar. */ |
| 4089 | if (is_packed) |
| 4090 | gtk_container_remove (GTK_CONTAINER (x->vbox_widget), |
| 4091 | x->handlebox_widget); |
| 4092 | else |
| 4093 | gtk_widget_destroy (x->toolbar_widget); |
| 4094 | |
| 4095 | x->toolbar_widget = 0; |
| 4096 | x->handlebox_widget = 0; |
| 4097 | FRAME_TOOLBAR_HEIGHT (f) = 0; |
| 4098 | xg_height_changed (f); |
| 4099 | |
| 4100 | UNBLOCK_INPUT; |
| 4101 | } |
| 4102 | } |
| 4103 | |
| 4104 | |
| 4105 | \f |
| 4106 | /*********************************************************************** |
| 4107 | Initializing |
| 4108 | ***********************************************************************/ |
| 4109 | void |
| 4110 | xg_initialize (void) |
| 4111 | { |
| 4112 | GtkBindingSet *binding_set; |
| 4113 | |
| 4114 | #if HAVE_XFT |
| 4115 | /* Work around a bug with corrupted data if libXft gets unloaded. This way |
| 4116 | we keep it permanently linked in. */ |
| 4117 | XftInit (0); |
| 4118 | #endif |
| 4119 | |
| 4120 | gdpy_def = NULL; |
| 4121 | xg_ignore_gtk_scrollbar = 0; |
| 4122 | xg_detached_menus = 0; |
| 4123 | xg_menu_cb_list.prev = xg_menu_cb_list.next = |
| 4124 | xg_menu_item_cb_list.prev = xg_menu_item_cb_list.next = 0; |
| 4125 | |
| 4126 | id_to_widget.max_size = id_to_widget.used = 0; |
| 4127 | id_to_widget.widgets = 0; |
| 4128 | |
| 4129 | /* Remove F10 as a menu accelerator, it does not mix well with Emacs key |
| 4130 | bindings. It doesn't seem to be any way to remove properties, |
| 4131 | so we set it to VoidSymbol which in X means "no key". */ |
| 4132 | gtk_settings_set_string_property (gtk_settings_get_default (), |
| 4133 | "gtk-menu-bar-accel", |
| 4134 | "VoidSymbol", |
| 4135 | EMACS_CLASS); |
| 4136 | |
| 4137 | /* Make GTK text input widgets use Emacs style keybindings. This is |
| 4138 | Emacs after all. */ |
| 4139 | gtk_settings_set_string_property (gtk_settings_get_default (), |
| 4140 | "gtk-key-theme-name", |
| 4141 | "Emacs", |
| 4142 | EMACS_CLASS); |
| 4143 | |
| 4144 | /* Make dialogs close on C-g. Since file dialog inherits from |
| 4145 | dialog, this works for them also. */ |
| 4146 | binding_set = gtk_binding_set_by_class (g_type_class_ref (GTK_TYPE_DIALOG)); |
| 4147 | gtk_binding_entry_add_signal (binding_set, GDK_g, GDK_CONTROL_MASK, |
| 4148 | "close", 0); |
| 4149 | |
| 4150 | /* Make menus close on C-g. */ |
| 4151 | binding_set = gtk_binding_set_by_class (g_type_class_ref |
| 4152 | (GTK_TYPE_MENU_SHELL)); |
| 4153 | gtk_binding_entry_add_signal (binding_set, GDK_g, GDK_CONTROL_MASK, |
| 4154 | "cancel", 0); |
| 4155 | } |
| 4156 | |
| 4157 | #endif /* USE_GTK */ |
| 4158 | |
| 4159 | /* arch-tag: fe7104da-bc1e-4aba-9bd1-f349c528f7e3 |
| 4160 | (do not change this comment) */ |