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 Lesser 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  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser 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 1997-2000.  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 gint gtk_toggle_button_expose     (GtkWidget            *widget,
  56                                           GdkEventExpose       *event);
  57 static void gtk_toggle_button_pressed    (GtkButton            *button);
  58 static void gtk_toggle_button_released   (GtkButton            *button);
  59 static void gtk_toggle_button_clicked    (GtkButton            *button);
  60 static void gtk_toggle_button_enter      (GtkButton            *button);
  61 static void gtk_toggle_button_leave      (GtkButton            *button);
  62 static void gtk_toggle_button_set_arg    (GtkObject            *object,
  63                                           GtkArg               *arg,
  64                                           guint                 arg_id);
  65 static void gtk_toggle_button_get_arg    (GtkObject            *object,
  66                                           GtkArg               *arg,
  67                                           guint                 arg_id);
  68 static void gtk_toggle_button_leave      (GtkButton            *button);
  69 static void gtk_toggle_button_realize    (GtkWidget            *widget);
  70 static void gtk_toggle_button_unrealize  (GtkWidget            *widget);
  71 static void gtk_toggle_button_map        (GtkWidget            *widget);
  72 static void gtk_toggle_button_unmap      (GtkWidget            *widget);
  73
  74 static guint toggle_button_signals[LAST_SIGNAL] = { 0 };
  75 static GtkContainerClass *parent_class = NULL;
  76
  77 GtkType
  78 gtk_toggle_button_get_type (void)
  79 {
  80   static GtkType toggle_button_type = 0;
  81
  82   if (!toggle_button_type)
  83     {
  84       static const GtkTypeInfo toggle_button_info =
  85       {
  86         "GtkToggleButton",
  87         sizeof (GtkToggleButton),
  88         sizeof (GtkToggleButtonClass),
  89         (GtkClassInitFunc) gtk_toggle_button_class_init,
  90         (GtkObjectInitFunc) gtk_toggle_button_init,
  91         /* reserved_1 */ NULL,
  92         /* reserved_2 */ NULL,
  93         (GtkClassInitFunc) NULL,
  94       };
  95
  96       toggle_button_type = gtk_type_unique (GTK_TYPE_BUTTON, &toggle_button_info);
  97     }
  98
  99   return toggle_button_type;
 100 }
 101
 102 static void
 103 gtk_toggle_button_class_init (GtkToggleButtonClass *class)
 104 {
 105   GtkObjectClass *object_class;
 106   GtkWidgetClass *widget_class;
 107   GtkContainerClass *container_class;
 108   GtkButtonClass *button_class;
 109
 110   object_class = (GtkObjectClass*) class;
 111   widget_class = (GtkWidgetClass*) class;
 112   container_class = (GtkContainerClass*) class;
 113   button_class = (GtkButtonClass*) class;
 114
 115   parent_class = gtk_type_class (GTK_TYPE_BUTTON);
 116
 117   gtk_object_add_arg_type ("GtkToggleButton::active", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_ACTIVE);
 118   gtk_object_add_arg_type ("GtkToggleButton::draw_indicator", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_DRAW_INDICATOR);
 119
 120   toggle_button_signals[TOGGLED] =
 121     gtk_signal_new ("toggled",
 122                     GTK_RUN_FIRST,
 123                     GTK_CLASS_TYPE (object_class),
 124                     GTK_SIGNAL_OFFSET (GtkToggleButtonClass, toggled),
 125                     gtk_marshal_VOID__VOID,
 126                     GTK_TYPE_NONE, 0);
 127
 128   gtk_object_class_add_signals (object_class, toggle_button_signals, LAST_SIGNAL);
 129
 130   object_class->set_arg = gtk_toggle_button_set_arg;
 131   object_class->get_arg = gtk_toggle_button_get_arg;
 132
 133   widget_class->size_allocate = gtk_toggle_button_size_allocate;
 134   widget_class->expose_event = gtk_toggle_button_expose;
 135   widget_class->realize = gtk_toggle_button_realize;
 136   widget_class->unrealize = gtk_toggle_button_unrealize;
 137   widget_class->map = gtk_toggle_button_map;
 138   widget_class->unmap = gtk_toggle_button_unmap;
 139
 140   button_class->pressed = gtk_toggle_button_pressed;
 141   button_class->released = gtk_toggle_button_released;
 142   button_class->clicked = gtk_toggle_button_clicked;
 143   button_class->enter = gtk_toggle_button_enter;
 144   button_class->leave = gtk_toggle_button_leave;
 145
 146   class->toggled = NULL;
 147 }
 148
 149 static void
 150 gtk_toggle_button_init (GtkToggleButton *toggle_button)
 151 {
 152   toggle_button->active = FALSE;
 153   toggle_button->draw_indicator = FALSE;
 154   GTK_WIDGET_UNSET_FLAGS (toggle_button, GTK_NO_WINDOW);
 155 }
 156
 157
 158 GtkWidget*
 159 gtk_toggle_button_new (void)
 160 {
 161   return GTK_WIDGET (gtk_type_new (gtk_toggle_button_get_type ()));
 162 }
 163
 164 GtkWidget*
 165 gtk_toggle_button_new_with_label (const gchar *label)
 166 {
 167   GtkWidget *toggle_button;
 168   GtkWidget *label_widget;
 169
 170   toggle_button = gtk_toggle_button_new ();
 171   label_widget = gtk_label_new (label);
 172   gtk_misc_set_alignment (GTK_MISC (label_widget), 0.5, 0.5);
 173
 174   gtk_container_add (GTK_CONTAINER (toggle_button), label_widget);
 175   gtk_widget_show (label_widget);
 176
 177   return toggle_button;
 178 }
 179
 180 static void
 181 gtk_toggle_button_set_arg (GtkObject *object,
 182                            GtkArg    *arg,
 183                            guint      arg_id)
 184 {
 185   GtkToggleButton *tb;
 186
 187   tb = GTK_TOGGLE_BUTTON (object);
 188
 189   switch (arg_id)
 190     {
 191     case ARG_ACTIVE:
 192       gtk_toggle_button_set_active (tb, GTK_VALUE_BOOL (*arg));
 193       break;
 194     case ARG_DRAW_INDICATOR:
 195       gtk_toggle_button_set_mode (tb, GTK_VALUE_BOOL (*arg));
 196       break;
 197     default:
 198       break;
 199     }
 200 }
 201
 202 static void
 203 gtk_toggle_button_get_arg (GtkObject *object,
 204                            GtkArg    *arg,
 205                            guint      arg_id)
 206 {
 207   GtkToggleButton *tb;
 208
 209   tb = GTK_TOGGLE_BUTTON (object);
 210
 211   switch (arg_id)
 212     {
 213     case ARG_ACTIVE:
 214       GTK_VALUE_BOOL (*arg) = tb->active;
 215       break;
 216     case ARG_DRAW_INDICATOR:
 217       GTK_VALUE_BOOL (*arg) = tb->draw_indicator;
 218       break;
 219     default:
 220       arg->type = GTK_TYPE_INVALID;
 221       break;
 222     }
 223 }
 224
 225 void
 226 gtk_toggle_button_set_mode (GtkToggleButton *toggle_button,
 227                             gboolean         draw_indicator)
 228 {
 229   GtkWidget *widget;
 230
 231   g_return_if_fail (toggle_button != NULL);
 232   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
 233
 234   widget = GTK_WIDGET (toggle_button);
 235
 236   draw_indicator = draw_indicator ? TRUE : FALSE;
 237
 238   if (toggle_button->draw_indicator != draw_indicator)
 239     {
 240       if (GTK_WIDGET_REALIZED (toggle_button))
 241         {
 242           gboolean visible = GTK_WIDGET_VISIBLE (toggle_button);
 243
 244           if (visible)
 245             gtk_widget_hide (widget);
 246
 247           gtk_widget_unrealize (widget);
 248           toggle_button->draw_indicator = draw_indicator;
 249
 250           if (toggle_button->draw_indicator)
 251             GTK_WIDGET_SET_FLAGS (toggle_button, GTK_NO_WINDOW);
 252           else
 253             GTK_WIDGET_UNSET_FLAGS (toggle_button, GTK_NO_WINDOW);
 254
 255           gtk_widget_realize (widget);
 256
 257           if (visible)
 258             gtk_widget_show (widget);
 259         }
 260       else
 261         {
 262           toggle_button->draw_indicator = draw_indicator;
 263
 264           if (toggle_button->draw_indicator)
 265             GTK_WIDGET_SET_FLAGS (toggle_button, GTK_NO_WINDOW);
 266           else
 267             GTK_WIDGET_UNSET_FLAGS (toggle_button, GTK_NO_WINDOW);
 268         }
 269
 270       if (GTK_WIDGET_VISIBLE (toggle_button))
 271         gtk_widget_queue_resize (GTK_WIDGET (toggle_button));
 272     }
 273 }
 274
 275
 276 void
 277 gtk_toggle_button_set_active (GtkToggleButton *toggle_button,
 278                               gboolean         is_active)
 279 {
 280   g_return_if_fail (toggle_button != NULL);
 281   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
 282
 283   is_active = is_active != 0;
 284
 285   if (toggle_button->active != is_active)
 286     gtk_button_clicked (GTK_BUTTON (toggle_button));
 287 }
 288
 289
 290 gboolean
 291 gtk_toggle_button_get_active (GtkToggleButton *toggle_button)
 292 {
 293   g_return_val_if_fail (toggle_button != NULL, FALSE);
 294   g_return_val_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button), FALSE);
 295
 296   return (toggle_button->active) ? TRUE : FALSE;
 297 }
 298
 299
 300 void
 301 gtk_toggle_button_toggled (GtkToggleButton *toggle_button)
 302 {
 303   g_return_if_fail (toggle_button != NULL);
 304   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
 305
 306   gtk_signal_emit (GTK_OBJECT (toggle_button), toggle_button_signals[TOGGLED]);
 307 }
 308
 309
 310 static void
 311 gtk_toggle_button_paint (GtkWidget    *widget,
 312                          GdkRectangle *area)
 313 {
 314   GtkButton *button;
 315   GtkToggleButton *toggle_button;
 316   GtkShadowType shadow_type;
 317   gint width, height;
 318   gint x, y;
 319
 320   button = GTK_BUTTON (widget);
 321   toggle_button = GTK_TOGGLE_BUTTON (widget);
 322
 323   if (GTK_WIDGET_DRAWABLE (widget))
 324     {
 325       x = 0;
 326       y = 0;
 327       width = widget->allocation.width - GTK_CONTAINER (widget)->border_width * 2;
 328       height = widget->allocation.height - GTK_CONTAINER (widget)->border_width * 2;
 329
 330       gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
 331       gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
 332
 333       if (GTK_WIDGET_HAS_DEFAULT (widget) &&
 334           GTK_BUTTON (widget)->relief == GTK_RELIEF_NORMAL)
 335         {
 336           gtk_paint_box (widget->style, widget->window,
 337                          GTK_STATE_NORMAL, GTK_SHADOW_IN,
 338                          area, widget, "togglebuttondefault",
 339                          x, y, width, height);
 340         }
 341
 342       if (GTK_WIDGET_CAN_DEFAULT (widget))
 343         {
 344           x += widget->style->xthickness;
 345           y += widget->style->ythickness;
 346           width -= 2 * x + DEFAULT_SPACING;
 347           height -= 2 * y + DEFAULT_SPACING;
 348           x += DEFAULT_LEFT_POS;
 349           y += DEFAULT_TOP_POS;
 350         }
 351
 352       if (GTK_WIDGET_HAS_FOCUS (widget))
 353         {
 354           x += 1;
 355           y += 1;
 356           width -= 2;
 357           height -= 2;
 358         }
 359
 360       if ((GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE) ||
 361           toggle_button->active)
 362         shadow_type = GTK_SHADOW_IN;
 363       else
 364         shadow_type = GTK_SHADOW_OUT;
 365
 366       if (button->relief != GTK_RELIEF_NONE ||
 367           (GTK_WIDGET_STATE(widget) != GTK_STATE_NORMAL &&
 368            GTK_WIDGET_STATE(widget) != GTK_STATE_INSENSITIVE))
 369         gtk_paint_box (widget->style, widget->window,
 370                        GTK_WIDGET_STATE (widget),
 371                        shadow_type, area, widget, "togglebutton",
 372                        x, y, width, height);
 373
 374       if (GTK_WIDGET_HAS_FOCUS (widget))
 375         {
 376           x -= 1;
 377           y -= 1;
 378           width += 2;
 379           height += 2;
 380
 381           gtk_paint_focus (widget->style, widget->window,
 382                            area, widget, "togglebutton",
 383                            x, y, width - 1, height - 1);
 384         }
 385     }
 386 }
 387
 388 static void
 389 gtk_toggle_button_size_allocate (GtkWidget     *widget,
 390                                  GtkAllocation *allocation)
 391 {
 392   if (!GTK_WIDGET_NO_WINDOW (widget) &&
 393       GTK_WIDGET_CLASS (parent_class)->size_allocate)
 394     GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
 395 }
 396
 397 static gint
 398 gtk_toggle_button_expose (GtkWidget      *widget,
 399                           GdkEventExpose *event)
 400 {
 401   GtkBin *bin;
 402   GdkEventExpose child_event;
 403
 404   if (GTK_WIDGET_DRAWABLE (widget))
 405     {
 406       bin = GTK_BIN (widget);
 407
 408       gtk_toggle_button_paint (widget, &event->area);
 409
 410       child_event = *event;
 411       if (bin->child && GTK_WIDGET_NO_WINDOW (bin->child) &&
 412           gtk_widget_intersect (bin->child, &event->area, &child_event.area))
 413         gtk_widget_event (bin->child, (GdkEvent*) &child_event);
 414     }
 415
 416   return TRUE;
 417 }
 418
 419 static void
 420 gtk_toggle_button_pressed (GtkButton *button)
 421 {
 422   GtkToggleButton *toggle_button;
 423   GtkStateType new_state;
 424
 425   g_return_if_fail (button != NULL);
 426   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 427
 428   toggle_button = GTK_TOGGLE_BUTTON (button);
 429
 430   button->button_down = TRUE;
 431
 432   if (toggle_button->active)
 433     new_state = (button->in_button ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE);
 434   else
 435     new_state = (button->in_button ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
 436
 437   if (GTK_WIDGET_STATE (button) != new_state)
 438     gtk_widget_set_state (GTK_WIDGET (button), new_state);
 439 }
 440
 441 static void
 442 gtk_toggle_button_released (GtkButton *button)
 443 {
 444   GtkToggleButton *toggle_button;
 445   GtkStateType new_state;
 446
 447   g_return_if_fail (button != NULL);
 448   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 449
 450   if (button->button_down)
 451     {
 452       toggle_button = GTK_TOGGLE_BUTTON (button);
 453
 454       button->button_down = FALSE;
 455
 456       if (button->in_button)
 457         {
 458           gtk_button_clicked (button);
 459         }
 460       else
 461         {
 462           if (toggle_button->active)
 463             new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
 464           else
 465             new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
 466
 467           if (GTK_WIDGET_STATE (button) != new_state)
 468             gtk_widget_set_state (GTK_WIDGET (button), new_state);
 469         }
 470     }
 471 }
 472
 473 static void
 474 gtk_toggle_button_clicked (GtkButton *button)
 475 {
 476   GtkToggleButton *toggle_button;
 477   GtkStateType new_state;
 478
 479   g_return_if_fail (button != NULL);
 480   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 481
 482   toggle_button = GTK_TOGGLE_BUTTON (button);
 483   toggle_button->active = !toggle_button->active;
 484
 485   gtk_toggle_button_toggled (toggle_button);
 486
 487   if (toggle_button->active)
 488     new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
 489   else
 490     new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
 491
 492   if (GTK_WIDGET_STATE (button) != new_state)
 493     gtk_widget_set_state (GTK_WIDGET (button), new_state);
 494   else
 495     gtk_widget_queue_draw (GTK_WIDGET (button));
 496 }
 497
 498 static void
 499 gtk_toggle_button_enter (GtkButton *button)
 500 {
 501   GtkToggleButton *toggle_button;
 502   GtkStateType new_state;
 503
 504   g_return_if_fail (button != NULL);
 505   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 506
 507   toggle_button = GTK_TOGGLE_BUTTON (button);
 508
 509   if (toggle_button->active)
 510     new_state = (button->button_down ? GTK_STATE_NORMAL : GTK_STATE_PRELIGHT);
 511   else
 512     new_state = (button->button_down ? GTK_STATE_ACTIVE : GTK_STATE_PRELIGHT);
 513
 514   if (GTK_WIDGET_STATE (button) != new_state)
 515     gtk_widget_set_state (GTK_WIDGET (button), new_state);
 516 }
 517
 518 static void
 519 gtk_toggle_button_leave (GtkButton *button)
 520 {
 521   GtkToggleButton *toggle_button;
 522   GtkStateType new_state;
 523
 524   g_return_if_fail (button != NULL);
 525   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
 526
 527   toggle_button = GTK_TOGGLE_BUTTON (button);
 528
 529   new_state = (toggle_button->active ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
 530
 531   if (GTK_WIDGET_STATE (button) != new_state)
 532     gtk_widget_set_state (GTK_WIDGET (button), new_state);
 533 }
 534
 535 static void
 536 gtk_toggle_button_realize (GtkWidget *widget)
 537 {
 538   GtkToggleButton *toggle_button;
 539   GdkWindowAttr attributes;
 540   gint attributes_mask;
 541   gint border_width;
 542
 543   g_return_if_fail (widget != NULL);
 544   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
 545
 546   toggle_button = GTK_TOGGLE_BUTTON (widget);
 547   GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 548
 549   border_width = GTK_CONTAINER (widget)->border_width;
 550
 551   attributes.window_type = GDK_WINDOW_CHILD;
 552   attributes.x = widget->allocation.x + border_width;
 553   attributes.y = widget->allocation.y + border_width;
 554   attributes.width = widget->allocation.width - border_width * 2;
 555   attributes.height = widget->allocation.height - border_width * 2;
 556   attributes.event_mask = gtk_widget_get_events (widget);
 557   attributes.event_mask |= (GDK_EXPOSURE_MASK |
 558                             GDK_BUTTON_PRESS_MASK |
 559                             GDK_BUTTON_RELEASE_MASK |
 560                             GDK_ENTER_NOTIFY_MASK |
 561                             GDK_LEAVE_NOTIFY_MASK);
 562
 563   if (GTK_WIDGET_NO_WINDOW (widget))
 564     {
 565       attributes.wclass = GDK_INPUT_ONLY;
 566       attributes_mask = GDK_WA_X | GDK_WA_Y;
 567
 568       widget->window = gtk_widget_get_parent_window (widget);
 569       gdk_window_ref (widget->window);
 570
 571       toggle_button->event_window = gdk_window_new (gtk_widget_get_parent_window (widget),
 572                                                     &attributes, attributes_mask);
 573       gdk_window_set_user_data (toggle_button->event_window, toggle_button);
 574     }
 575   else
 576     {
 577       attributes.wclass = GDK_INPUT_OUTPUT;
 578       attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 579       attributes.visual = gtk_widget_get_visual (widget);
 580       attributes.colormap = gtk_widget_get_colormap (widget);
 581       widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 582                                        &attributes, attributes_mask);
 583       gdk_window_set_user_data (widget->window, toggle_button);
 584     }
 585
 586   widget->style = gtk_style_attach (widget->style, widget->window);
 587
 588   if (!GTK_WIDGET_NO_WINDOW (widget))
 589     gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 590 }
 591
 592 static void
 593 gtk_toggle_button_unrealize (GtkWidget *widget)
 594 {
 595   GtkToggleButton *toggle_button;
 596
 597   g_return_if_fail (widget != NULL);
 598   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
 599
 600   toggle_button = GTK_TOGGLE_BUTTON (widget);
 601
 602   if (GTK_WIDGET_NO_WINDOW (widget))
 603     {
 604       gdk_window_set_user_data (toggle_button->event_window, NULL);
 605       gdk_window_destroy (toggle_button->event_window);
 606       toggle_button->event_window = NULL;
 607     }
 608
 609   if (GTK_WIDGET_CLASS (parent_class)->unrealize)
 610     (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 611 }
 612
 613 static void
 614 gtk_toggle_button_map (GtkWidget *widget)
 615 {
 616   g_return_if_fail (widget != NULL);
 617   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
 618
 619   if (GTK_WIDGET_NO_WINDOW (widget))
 620     gdk_window_show (GTK_TOGGLE_BUTTON (widget)->event_window);
 621
 622   GTK_WIDGET_CLASS (parent_class)->map (widget);
 623 }
 624
 625 static void
 626 gtk_toggle_button_unmap (GtkWidget *widget)
 627 {
 628   g_return_if_fail (widget != NULL);
 629   g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
 630
 631   if (GTK_WIDGET_NO_WINDOW (widget))
 632     gdk_window_hide (GTK_TOGGLE_BUTTON (widget)->event_window);
 633
 634   GTK_WIDGET_CLASS (parent_class)->unmap (widget);
 635 }