Pileus Git - ~andy/gtk/blob - gtk/gtktogglebutton.c

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-1999.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #include "gtklabel.h"
  28 #include "gtkmain.h"
  29 #include "gtksignal.h"
  30 #include "gtktogglebutton.h"
  31
  32
  33 #define DEFAULT_LEFT_POS  4
  34 #define DEFAULT_TOP_POS   4
  35 #define DEFAULT_SPACING   7
  36
  37 enum {
  38   TOGGLED,
  39   LAST_SIGNAL
  40 };
  41
  42 enum {
  43   ARG_0,
  44   ARG_ACTIVE,
  45   ARG_DRAW_INDICATOR
  46 };
  47
  48
  49 static void gtk_toggle_button_class_init (GtkToggleButtonClass *klass);
  50 static void gtk_toggle_button_init       (GtkToggleButton      *toggle_button);
  51 static void gtk_toggle_button_paint      (GtkWidget            *widget,
  52                                           GdkRectangle         *area);
  53 static void gtk_toggle_button_size_allocate (GtkWidget         *widget,
  54                                              GtkAllocation     *allocation);
  55 static void gtk_toggle_button_draw       (GtkWidget            *widget,
  56                                           GdkRectangle         *area);
  57 static gint gtk_toggle_button_expose     (GtkWidget            *widget,
  58                                           GdkEventExpose       *event);
  59 static void gtk_toggle_button_pressed    (GtkButton            *button);
  60 static void gtk_toggle_button_released   (GtkButton            *button);
  61 static void gtk_toggle_button_clicked    (GtkButton            *button);
  62 static void gtk_toggle_button_enter      (GtkButton            *button);
  63 static void gtk_toggle_button_leave      (GtkButton            *button);
  64 static void gtk_toggle_button_set_arg    (GtkObject            *object,
  65                                           GtkArg               *arg,
  66                                           guint                 arg_id);
  67 static void gtk_toggle_button_get_arg    (GtkObject            *object,
  68                                           GtkArg               *arg,
  69                                           guint                 arg_id);
  70 static void gtk_toggle_button_leave      (GtkButton            *button);
  71 static void gtk_toggle_button_realize    (GtkWidget            *widget);
  72 static void gtk_toggle_button_unrealize  (GtkWidget            *widget);
  73 static void gtk_toggle_button_map        (GtkWidget            *widget);
  74 static void gtk_toggle_button_unmap      (GtkWidget            *widget);
  75
  76 static guint toggle_button_signals[LAST_SIGNAL] = { 0 };
  77 static GtkContainerClass *parent_class = NULL;
  78
  79 GtkType
  80 gtk_toggle_button_get_type (void)
  81 {
  82   static GtkType toggle_button_type = 0;
  83
  84   if (!toggle_button_type)
  85     {
  86       static const GtkTypeInfo toggle_button_info =
  87       {
  88         "GtkToggleButton",
  89         sizeof (GtkToggleButton),
  90         sizeof (GtkToggleButtonClass),
  91         (GtkClassInitFunc) gtk_toggle_button_class_init,
  92         (GtkObjectInitFunc) gtk_toggle_button_init,
  93         /* reserved_1 */ NULL,
  94         /* reserved_2 */ NULL,
  95         (GtkClassInitFunc) NULL,
  96       };
  97
  98       toggle_button_type = gtk_type_unique (GTK_TYPE_BUTTON, &toggle_button_info);
  99     }
 100
 101   return toggle_button_type;
 102 }
 103
 104 static void
 105 gtk_toggle_button_class_init (GtkToggleButtonClass *class)
 106 {
 107   GtkObjectClass *object_class;
 108   GtkWidgetClass *widget_class;
 109   GtkContainerClass *container_class;
 110   GtkButtonClass *button_class;
 111
 112   object_class = (GtkObjectClass*) class;
 113   widget_class = (GtkWidgetClass*) class;
 114   container_class = (GtkContainerClass*) class;
 115   button_class = (GtkButtonClass*) class;
 116
 117   parent_class = gtk_type_class (GTK_TYPE_BUTTON);
 118
 119   gtk_object_add_arg_type ("GtkToggleButton::active", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_ACTIVE);
 120   gtk_object_add_arg_type ("GtkToggleButton::draw_indicator", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_DRAW_INDICATOR);
 121
 122   toggle_button_signals[TOGGLED] =
 123     gtk_signal_new ("toggled",
 124                     GTK_RUN_FIRST,
 125                     GTK_CLASS_TYPE (object_class),
 126                     GTK_SIGNAL_OFFSET (GtkToggleButtonClass, toggled),
 127                     gtk_marshal_NONE__NONE,
 128                     GTK_TYPE_NONE, 0);
 129
 130   gtk_object_class_add_signals (object_class, toggle_button_signals, LAST_SIGNAL);
 131
 132   object_class->set_arg = gtk_toggle_button_set_arg;
 133   object_class->get_arg = gtk_toggle_button_get_arg;
 134
 135   widget_class->size_allocate = gtk_toggle_button_size_allocate;
 136   widget_class->draw = gtk_toggle_button_draw;
 137   widget_class->expose_event = gtk_toggle_button_expose;
 138   widget_class->realize = gtk_toggle_button_realize;
 139   widget_class->unrealize = gtk_toggle_button_unrealize;
 140   widget_class->map = gtk_toggle_button_map;
 141   widget_class->unmap = gtk_toggle_button_unmap;
 142
 143   button_class->pressed = gtk_toggle_button_pressed;
 144   button_class->released = gtk_toggle_button_released;
 145   button_class->clicked = gtk_toggle_button_clicked;
 146   button_class->enter = gtk_toggle_button_enter;
 147   button_class->leave = gtk_toggle_button_leave;
 148
 149   class->toggled = NULL;
 150 }
 151
 152 static void
 153 gtk_toggle_button_init (GtkToggleButton *toggle_button)
 154 {
 155   toggle_button->active = FALSE;
 156   toggle_button->draw_indicator = FALSE;
 157   GTK_WIDGET_UNSET_FLAGS (toggle_button, GTK_NO_WINDOW);
 158 }
 159
 160
 161 GtkWidget*
 162 gtk_toggle_button_new (void)
 163 {
 164   return GTK_WIDGET (gtk_type_new (gtk_toggle_button_get_type ()));
 165 }
 166
 167 GtkWidget*
 168 gtk_toggle_button_new_with_label (const gchar *label)
 169 {
 170   GtkWidget *toggle_button;
 171   GtkWidget *label_widget;
 172
 173   toggle_button = gtk_toggle_button_new ();
 174   label_widget = gtk_label_new (label);
 175   gtk_misc_set_alignment (GTK_MISC (label_widget), 0.5, 0.5);
 176
 177   gtk_container_add (GTK_CONTAINER (toggle_button), label_widget);
 178   gtk_widget_show (label_widget);
 179
 180   return toggle_button;
 181 }
 182
 183 static void
 184 gtk_toggle_button_set_arg (GtkObject *object,
 185                            GtkArg    *arg,
 186                            guint      arg_id)
 187 {
 188   GtkToggleButton *tb;
 189
 190   tb = GTK_TOGGLE_BUTTON (object);
 191
 192   switch (arg_id)
 193     {
 194     case ARG_ACTIVE:
 195       gtk_toggle_button_set_active (tb, GTK_VALUE_BOOL (*arg));
 196       break;
 197     case ARG_DRAW_INDICATOR:
 198       gtk_toggle_button_set_mode (tb, GTK_VALUE_BOOL (*arg));
 199       break;
 200     default:
 201       break;
 202     }
 203 }
 204
 205 static void
 206 gtk_toggle_button_get_arg (GtkObject *object,
 207                            GtkArg    *arg,
 208                            guint      arg_id)
 209 {
 210   GtkToggleButton *tb;
 211
 212   tb = GTK_TOGGLE_BUTTON (object);
 213
 214   switch (arg_id)
 215     {
 216     case ARG_ACTIVE:
 217       GTK_VALUE_BOOL (*arg) = tb->active;
 218       break;
 219     case ARG_DRAW_INDICATOR:
 220       GTK_VALUE_BOOL (*arg) = tb->draw_indicator;
 221       break;
 222     default:
 223       arg->type = GTK_TYPE_INVALID;
 224       break;
 225     }
 226 }
 227
 228 void
 229 gtk_toggle_button_set_mode (GtkToggleButton *toggle_button,
 230                             gboolean         draw_indicator)
 231 {
 232   GtkWidget *widget;
 233
 234   g_return_if_fail (toggle_button != NULL);
 235   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
 236
 237   widget = GTK_WIDGET (toggle_button);
 238
 239   draw_indicator = draw_indicator ? TRUE : FALSE;
 240
 241   if (toggle_button->draw_indicator != draw_indicator)
 242     {
 243       if (GTK_WIDGET_REALIZED (toggle_button))
 244         {
 245           gboolean visible = GTK_WIDGET_VISIBLE (toggle_button);
 246
 247           if (visible)
 248             gtk_widget_hide (widget);
 249
 250           gtk_widget_unrealize (widget);
 251           toggle_button->draw_indicator = draw_indicator;
 252
 253           if (toggle_button->draw_indicator)
 254             GTK_WIDGET_SET_FLAGS (toggle_button, GTK_NO_WINDOW);
 255           else
 256             GTK_WIDGET_UNSET_FLAGS (toggle_button, GTK_NO_WINDOW);
 257
 258           gtk_widget_realize (widget);
 259
 260           if (visible)
 261             gtk_widget_show (widget);
 262         }
 263       else
 264         {
 265           toggle_button->draw_indicator = draw_indicator;
 266
 267           if (toggle_button->draw_indicator)
 268             GTK_WIDGET_SET_FLAGS (toggle_button, GTK_NO_WINDOW);
 269           else
 270             GTK_WIDGET_UNSET_FLAGS (toggle_button, GTK_NO_WINDOW);
 271         }
 272
 273       if (GTK_WIDGET_VISIBLE (toggle_button))
 274         gtk_widget_queue_resize (GTK_WIDGET (toggle_button));
 275     }
 276 }
 277
 278
 279 void
 280 gtk_toggle_button_set_active (GtkToggleButton *toggle_button,
 281                               gboolean         is_active)
 282 {
 283   g_return_if_fail (toggle_button != NULL);
 284   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
 285
 286   is_active = is_active != 0;
 287
 288   if (toggle_button->active != is_active)
 289     gtk_button_clicked (GTK_BUTTON (toggle_button));
 290 }
 291
 292
 293 gboolean
 294 gtk_toggle_button_get_active (GtkToggleButton *toggle_button)
 295 {
 296   g_return_val_if_fail (toggle_button != NULL, FALSE);
 297   g_return_val_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button), FALSE);
 298
 299   return (toggle_button->active) ? TRUE : FALSE;
 300 }
 301
 302
 303 void
 304 gtk_toggle_button_toggled (GtkToggleButton *toggle_button)
 305 {
 306   g_return_if_fail (toggle_button != NULL);
 307   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
 308
 309   gtk_signal_emit (GTK_OBJECT (toggle_button), toggle_button_signals[TOGGLED]);
 310 }
 311
 312
 313 static void
 314 gtk_toggle_button_paint (GtkWidget    *widget,
 315                          GdkRectangle *area)
 316 {
 317   GtkButton *button;
 318   GtkToggleButton *toggle_button;
 319   GtkShadowType shadow_type;
 320   gint width, height;
 321   gint x, y;
 322
 323   button = GTK_BUTTON (widget);
 324   toggle_button = GTK_TOGGLE_BUTTON (widget);
 325
 326   if (GTK_WIDGET_DRAWABLE (widget))
 327     {
 328       x = 0;
 329       y = 0;
 330       width = widget->allocation.width - GTK_CONTAINER (widget)->border_width * 2;
 331       height = widget->allocation.height - GTK_CONTAINER (widget)->border_width * 2;
 332
 333       gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
 334       gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
 335
 336       if (GTK_WIDGET_HAS_DEFAULT (widget) &&
 337           GTK_BUTTON (widget)->relief == GTK_RELIEF_NORMAL)
 338         {
 339           gtk_paint_box (widget->style, widget->window,
 340                          GTK_STATE_NORMAL, GTK_SHADOW_IN,
 341                          area, widget, "togglebuttondefault",
 342                          x, y, width, height);
 343         }
 344
 345       if (GTK_WIDGET_CAN_DEFAULT (widget))
 346         {
 347           x += widget->style->klass->xthickness;
 348           y += widget->style->klass->ythickness;
 349           width -= 2 * x + DEFAULT_SPACING;
 350           height -= 2 * y + DEFAULT_SPACING;
 351           x += DEFAULT_LEFT_POS;
 352           y += DEFAULT_TOP_POS;
 353         }
 354
 355       if (GTK_WIDGET_HAS_FOCUS (widget))
 356         {
 357           x += 1;
 358           y += 1;
 359           width -= 2;
 360           height -= 2;
 361         }
 362
 363       if ((GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE) ||
 364           toggle_button->active)
 365         shadow_type = GTK_SHADOW_IN;
 366       else
 367         shadow_type = GTK_SHADOW_OUT;
 368
 369       if (button->relief != GTK_RELIEF_NONE ||
 370           (GTK_WIDGET_STATE(widget) != GTK_STATE_NORMAL &&
 371            GTK_WIDGET_STATE(widget) != GTK_STATE_INSENSITIVE))
 372         gtk_paint_box (widget->style, widget->window,
 373                        GTK_WIDGET_STATE (widget),
 374                        shadow_type, area, widget, "togglebutton",
 375                        x, y, width, height);
 376
 377       if (GTK_WIDGET_HAS_FOCUS (widget))
 378         {
 379           x -= 1;
 380           y -= 1;
 381           width += 2;
 382           height += 2;
 383
 384           gtk_paint_focus (widget->style, widget->window,
 385                            area, widget, "togglebutton",
 386                            x, y, width - 1, height - 1);
 387         }
 388     }
 389 }
 390
 391 static void
 392 gtk_toggle_button_size_allocate (GtkWidget     *widget,
 393                                  GtkAllocation *allocation)
 394 {
 395   if (!GTK_WIDGET_NO_WINDOW (widget) &&
 396       GTK_WIDGET_CLASS (parent_class)->size_allocate)
 397     GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 398 }
 399
 400 static gint
 401 gtk_toggle_button_expose (GtkWidget      *widget,
 402                           GdkEventExpose *event)
 403 {
 404   if (!GTK_WIDGET_NO_WINDOW (widget) &&
 405       GTK_WIDGET_CLASS (parent_class)->expose_event)
 406     return GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
 407   else
 408     return FALSE;
 409 }
 410
 411 static void
 412 gtk_toggle_button_draw (GtkWidget    *widget,
 413                         GdkRectangle *area)
 414 {
 415   GdkRectangle child_area;
 416   GdkRectangle tmp_area;
 417   GtkBin *bin;
 418
 419   g_return_if_fail (widget != NULL);
 420   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
 421   g_return_if_fail (area != NULL);
 422
 423   bin = GTK_BIN (widget);
 424
 425   if (GTK_WIDGET_DRAWABLE (widget) && !GTK_WIDGET_NO_WINDOW (widget))
 426     {
 427       tmp_area = *area;
 428       tmp_area.x -= GTK_CONTAINER (widget)->border_width;
 429       tmp_area.y -= GTK_CONTAINER (widget)->border_width;
 430
 431       gtk_toggle_button_paint (widget, &tmp_area);
 432
 433       if (bin->child && gtk_widget_intersect (bin->child, &tmp_area, &child_area))
 434         gtk_widget_draw (bin->child, &child_area);
 435     }
 436 }
 437
 438 static void
 439 gtk_toggle_button_pressed (GtkButton *button)
 440 {
 441   GtkToggleButton *toggle_button;
 442   GtkStateType new_state;
 443
 444   g_return_if_fail (button != NULL);
 445   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 446
 447   toggle_button = GTK_TOGGLE_BUTTON (button);
 448
 449   button->button_down = TRUE;
 450
 451   if (toggle_button->active)
 452     new_state = (button->in_button ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE);
 453   else
 454     new_state = (button->in_button ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
 455
 456   if (GTK_WIDGET_STATE (button) != new_state)
 457     gtk_widget_set_state (GTK_WIDGET (button), new_state);
 458 }
 459
 460 static void
 461 gtk_toggle_button_released (GtkButton *button)
 462 {
 463   GtkToggleButton *toggle_button;
 464   GtkStateType new_state;
 465
 466   g_return_if_fail (button != NULL);
 467   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 468
 469   if (button->button_down)
 470     {
 471       toggle_button = GTK_TOGGLE_BUTTON (button);
 472
 473       button->button_down = FALSE;
 474
 475       if (button->in_button)
 476         {
 477           gtk_button_clicked (button);
 478         }
 479       else
 480         {
 481           if (toggle_button->active)
 482             new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
 483           else
 484             new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
 485
 486           if (GTK_WIDGET_STATE (button) != new_state)
 487             gtk_widget_set_state (GTK_WIDGET (button), new_state);
 488         }
 489     }
 490 }
 491
 492 static void
 493 gtk_toggle_button_clicked (GtkButton *button)
 494 {
 495   GtkToggleButton *toggle_button;
 496   GtkStateType new_state;
 497
 498   g_return_if_fail (button != NULL);
 499   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 500
 501   toggle_button = GTK_TOGGLE_BUTTON (button);
 502   toggle_button->active = !toggle_button->active;
 503
 504   gtk_toggle_button_toggled (toggle_button);
 505
 506   if (toggle_button->active)
 507     new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
 508   else
 509     new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
 510
 511   if (GTK_WIDGET_STATE (button) != new_state)
 512     gtk_widget_set_state (GTK_WIDGET (button), new_state);
 513   else
 514     gtk_widget_queue_draw (GTK_WIDGET (button));
 515 }
 516
 517 static void
 518 gtk_toggle_button_enter (GtkButton *button)
 519 {
 520   GtkToggleButton *toggle_button;
 521   GtkStateType new_state;
 522
 523   g_return_if_fail (button != NULL);
 524   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 525
 526   toggle_button = GTK_TOGGLE_BUTTON (button);
 527
 528   if (toggle_button->active)
 529     new_state = (button->button_down ? GTK_STATE_NORMAL : GTK_STATE_PRELIGHT);
 530   else
 531     new_state = (button->button_down ? GTK_STATE_ACTIVE : GTK_STATE_PRELIGHT);
 532
 533   if (GTK_WIDGET_STATE (button) != new_state)
 534     gtk_widget_set_state (GTK_WIDGET (button), new_state);
 535 }
 536
 537 static void
 538 gtk_toggle_button_leave (GtkButton *button)
 539 {
 540   GtkToggleButton *toggle_button;
 541   GtkStateType new_state;
 542
 543   g_return_if_fail (button != NULL);
 544   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 545
 546   toggle_button = GTK_TOGGLE_BUTTON (button);
 547
 548   new_state = (toggle_button->active ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
 549
 550   if (GTK_WIDGET_STATE (button) != new_state)
 551     gtk_widget_set_state (GTK_WIDGET (button), new_state);
 552 }
 553
 554 static void
 555 gtk_toggle_button_realize (GtkWidget *widget)
 556 {
 557   GtkToggleButton *toggle_button;
 558   GdkWindowAttr attributes;
 559   gint attributes_mask;
 560   gint border_width;
 561
 562   g_return_if_fail (widget != NULL);
 563   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
 564
 565   toggle_button = GTK_TOGGLE_BUTTON (widget);
 566   GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 567
 568   border_width = GTK_CONTAINER (widget)->border_width;
 569
 570   attributes.window_type = GDK_WINDOW_CHILD;
 571   attributes.x = widget->allocation.x + border_width;
 572   attributes.y = widget->allocation.y + border_width;
 573   attributes.width = widget->allocation.width - border_width * 2;
 574   attributes.height = widget->allocation.height - border_width * 2;
 575   attributes.event_mask = gtk_widget_get_events (widget);
 576   attributes.event_mask |= (GDK_EXPOSURE_MASK |
 577                             GDK_BUTTON_PRESS_MASK |
 578                             GDK_BUTTON_RELEASE_MASK |
 579                             GDK_ENTER_NOTIFY_MASK |
 580                             GDK_LEAVE_NOTIFY_MASK);
 581
 582   if (GTK_WIDGET_NO_WINDOW (widget))
 583     {
 584       attributes.wclass = GDK_INPUT_ONLY;
 585       attributes_mask = GDK_WA_X | GDK_WA_Y;
 586
 587       widget->window = gtk_widget_get_parent_window (widget);
 588       gdk_window_ref (widget->window);
 589
 590       toggle_button->event_window = gdk_window_new (gtk_widget_get_parent_window (widget),
 591                                                     &attributes, attributes_mask);
 592       gdk_window_set_user_data (toggle_button->event_window, toggle_button);
 593     }
 594   else
 595     {
 596       attributes.wclass = GDK_INPUT_OUTPUT;
 597       attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 598       attributes.visual = gtk_widget_get_visual (widget);
 599       attributes.colormap = gtk_widget_get_colormap (widget);
 600       widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 601                                        &attributes, attributes_mask);
 602       gdk_window_set_user_data (widget->window, toggle_button);
 603     }
 604
 605   widget->style = gtk_style_attach (widget->style, widget->window);
 606
 607   if (!GTK_WIDGET_NO_WINDOW (widget))
 608     gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 609 }
 610
 611 static void
 612 gtk_toggle_button_unrealize (GtkWidget *widget)
 613 {
 614   GtkToggleButton *toggle_button;
 615
 616   g_return_if_fail (widget != NULL);
 617   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
 618
 619   toggle_button = GTK_TOGGLE_BUTTON (widget);
 620
 621   if (GTK_WIDGET_NO_WINDOW (widget))
 622     {
 623       gdk_window_set_user_data (toggle_button->event_window, NULL);
 624       gdk_window_destroy (toggle_button->event_window);
 625       toggle_button->event_window = NULL;
 626     }
 627
 628   if (GTK_WIDGET_CLASS (parent_class)->unrealize)
 629     (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 630 }
 631
 632 static void
 633 gtk_toggle_button_map (GtkWidget *widget)
 634 {
 635   g_return_if_fail (widget != NULL);
 636   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
 637
 638   if (GTK_WIDGET_NO_WINDOW (widget))
 639     gdk_window_show (GTK_TOGGLE_BUTTON (widget)->event_window);
 640
 641   GTK_WIDGET_CLASS (parent_class)->map (widget);
 642 }
 643
 644 static void
 645 gtk_toggle_button_unmap (GtkWidget *widget)
 646 {
 647   g_return_if_fail (widget != NULL);
 648   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
 649
 650   if (GTK_WIDGET_NO_WINDOW (widget))
 651     gdk_window_hide (GTK_TOGGLE_BUTTON (widget)->event_window);
 652
 653   GTK_WIDGET_CLASS (parent_class)->unmap (widget);
 654 }