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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  * GtkToolbar copyright (C) Federico Mena
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the Free
  17  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #include "gtkbutton.h"
  21 #include "gtklabel.h"
  22 #include "gtkvbox.h"
  23 #include "gtktoolbar.h"
  24
  25
  26 #define DEFAULT_SPACE_SIZE 5
  27
  28
  29 enum {
  30   ORIENTATION_CHANGED,
  31   STYLE_CHANGED,
  32   LAST_SIGNAL
  33 };
  34
  35
  36 typedef enum
  37 {
  38   CHILD_SPACE,
  39   CHILD_BUTTON,
  40   CHILD_WIDGET
  41 } ChildType;
  42
  43 typedef struct
  44 {
  45   ChildType type;
  46   GtkWidget *widget;
  47   GtkWidget *icon;
  48   GtkWidget *label;
  49 } Child;
  50
  51
  52 typedef void (*GtkToolbarSignal1) (GtkObject *object,
  53                                    gint       arg1,
  54                                    gpointer   data);
  55
  56 static void gtk_toolbar_marshal_signal_1 (GtkObject     *object,
  57                                           GtkSignalFunc  func,
  58                                           gpointer       func_data,
  59                                           GtkArg        *args);
  60
  61
  62 static void gtk_toolbar_class_init               (GtkToolbarClass *class);
  63 static void gtk_toolbar_init                     (GtkToolbar      *toolbar);
  64 static void gtk_toolbar_destroy                  (GtkObject       *object);
  65 static void gtk_toolbar_map                      (GtkWidget       *widget);
  66 static void gtk_toolbar_unmap                    (GtkWidget       *widget);
  67 static void gtk_toolbar_draw                     (GtkWidget       *widget,
  68                                                   GdkRectangle    *area);
  69 static gint gtk_toolbar_expose                   (GtkWidget       *widget,
  70                                                   GdkEventExpose  *event);
  71 static void gtk_toolbar_size_request             (GtkWidget       *widget,
  72                                                   GtkRequisition  *requisition);
  73 static void gtk_toolbar_size_allocate            (GtkWidget       *widget,
  74                                                   GtkAllocation   *allocation);
  75 static void gtk_toolbar_add                      (GtkContainer    *container,
  76                                                   GtkWidget       *widget);
  77 static void gtk_toolbar_remove                   (GtkContainer    *container,
  78                                                   GtkWidget       *widget);
  79 static void gtk_toolbar_foreach                  (GtkContainer    *container,
  80                                                   GtkCallback      callback,
  81                                                   gpointer         callback_data);
  82 static void gtk_real_toolbar_orientation_changed (GtkToolbar      *toolbar,
  83                                                   GtkOrientation   orientation);
  84 static void gtk_real_toolbar_style_changed       (GtkToolbar      *toolbar,
  85                                                   GtkToolbarStyle  style);
  86
  87
  88 static GtkContainerClass *parent_class;
  89
  90 static gint toolbar_signals[LAST_SIGNAL] = { 0 };
  91
  92
  93 guint
  94 gtk_toolbar_get_type (void)
  95 {
  96   static guint toolbar_type = 0;
  97
  98   if (!toolbar_type)
  99     {
 100       GtkTypeInfo toolbar_info =
 101       {
 102         "GtkToolbar",
 103         sizeof (GtkToolbar),
 104         sizeof (GtkToolbarClass),
 105         (GtkClassInitFunc) gtk_toolbar_class_init,
 106         (GtkObjectInitFunc) gtk_toolbar_init,
 107         (GtkArgSetFunc) NULL,
 108         (GtkArgGetFunc) NULL,
 109       };
 110
 111       toolbar_type = gtk_type_unique (gtk_container_get_type (), &toolbar_info);
 112     }
 113
 114   return toolbar_type;
 115 }
 116
 117 static void
 118 gtk_toolbar_class_init (GtkToolbarClass *class)
 119 {
 120   GtkObjectClass *object_class;
 121   GtkWidgetClass *widget_class;
 122   GtkContainerClass *container_class;
 123
 124   object_class = (GtkObjectClass *) class;
 125   widget_class = (GtkWidgetClass *) class;
 126   container_class = (GtkContainerClass *) class;
 127
 128   parent_class = gtk_type_class (gtk_container_get_type ());
 129
 130   toolbar_signals[ORIENTATION_CHANGED] =
 131     gtk_signal_new ("orientation_changed",
 132                     GTK_RUN_FIRST,
 133                     object_class->type,
 134                     GTK_SIGNAL_OFFSET (GtkToolbarClass, orientation_changed),
 135                     gtk_toolbar_marshal_signal_1,
 136                     GTK_TYPE_NONE, 1,
 137                     GTK_TYPE_INT);
 138   toolbar_signals[STYLE_CHANGED] =
 139     gtk_signal_new ("style_changed",
 140                     GTK_RUN_FIRST,
 141                     object_class->type,
 142                     GTK_SIGNAL_OFFSET (GtkToolbarClass, style_changed),
 143                     gtk_toolbar_marshal_signal_1,
 144                     GTK_TYPE_NONE, 1,
 145                     GTK_TYPE_INT);
 146
 147   gtk_object_class_add_signals (object_class, toolbar_signals, LAST_SIGNAL);
 148
 149   object_class->destroy = gtk_toolbar_destroy;
 150
 151   widget_class->map = gtk_toolbar_map;
 152   widget_class->unmap = gtk_toolbar_unmap;
 153   widget_class->draw = gtk_toolbar_draw;
 154   widget_class->expose_event = gtk_toolbar_expose;
 155   widget_class->size_request = gtk_toolbar_size_request;
 156   widget_class->size_allocate = gtk_toolbar_size_allocate;
 157
 158   container_class->add = gtk_toolbar_add;
 159   container_class->remove = gtk_toolbar_remove;
 160   container_class->foreach = gtk_toolbar_foreach;
 161
 162   class->orientation_changed = gtk_real_toolbar_orientation_changed;
 163   class->style_changed = gtk_real_toolbar_style_changed;
 164 }
 165
 166 static void
 167 gtk_toolbar_init (GtkToolbar *toolbar)
 168 {
 169   GTK_WIDGET_SET_FLAGS (toolbar, GTK_NO_WINDOW);
 170   GTK_WIDGET_UNSET_FLAGS (toolbar, GTK_CAN_FOCUS);
 171
 172   toolbar->num_children = 0;
 173   toolbar->children     = NULL;
 174   toolbar->orientation  = GTK_ORIENTATION_HORIZONTAL;
 175   toolbar->style        = GTK_TOOLBAR_ICONS;
 176   toolbar->space_size   = DEFAULT_SPACE_SIZE;
 177   toolbar->tooltips     = gtk_tooltips_new ();
 178   toolbar->button_maxw  = 0;
 179   toolbar->button_maxh  = 0;
 180 }
 181
 182 GtkWidget *
 183 gtk_toolbar_new (GtkOrientation  orientation,
 184                  GtkToolbarStyle style)
 185 {
 186   GtkToolbar *toolbar;
 187
 188   toolbar = gtk_type_new (gtk_toolbar_get_type ());
 189
 190   toolbar->orientation = orientation;
 191   toolbar->style = style;
 192
 193   return GTK_WIDGET (toolbar);
 194 }
 195
 196 static void
 197 gtk_toolbar_destroy (GtkObject *object)
 198 {
 199   GtkToolbar *toolbar;
 200   GList      *children;
 201   Child      *child;
 202
 203   g_return_if_fail (object != NULL);
 204   g_return_if_fail (GTK_IS_TOOLBAR (object));
 205
 206   toolbar = GTK_TOOLBAR (object);
 207
 208   gtk_tooltips_unref (toolbar->tooltips);
 209
 210   for (children = toolbar->children; children; children = children->next)
 211     {
 212       child = children->data;
 213
 214       if (child->type != CHILD_SPACE)
 215         {
 216           child->widget->parent = NULL;
 217           gtk_object_unref (GTK_OBJECT (child->widget));
 218           gtk_widget_destroy (child->widget);
 219         }
 220
 221       g_free (child);
 222     }
 223
 224   g_list_free (toolbar->children);
 225
 226   if (GTK_OBJECT_CLASS (parent_class)->destroy)
 227     (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
 228 }
 229
 230 static void
 231 gtk_toolbar_map (GtkWidget *widget)
 232 {
 233   GtkToolbar *toolbar;
 234   GList      *children;
 235   Child      *child;
 236
 237   g_return_if_fail (widget != NULL);
 238   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 239
 240   toolbar = GTK_TOOLBAR (widget);
 241   GTK_WIDGET_SET_FLAGS (toolbar, GTK_MAPPED);
 242
 243   for (children = toolbar->children; children; children = children->next)
 244     {
 245       child = children->data;
 246
 247       if ((child->type != CHILD_SPACE)
 248           && GTK_WIDGET_VISIBLE (child->widget) && !GTK_WIDGET_MAPPED (child->widget))
 249         gtk_widget_map (child->widget);
 250     }
 251 }
 252
 253 static void
 254 gtk_toolbar_unmap (GtkWidget *widget)
 255 {
 256   GtkToolbar *toolbar;
 257   GList      *children;
 258   Child      *child;
 259
 260   g_return_if_fail (widget != NULL);
 261   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 262
 263   toolbar = GTK_TOOLBAR (widget);
 264   GTK_WIDGET_UNSET_FLAGS (toolbar, GTK_MAPPED);
 265
 266   for (children = toolbar->children; children; children = children->next)
 267     {
 268       child = children->data;
 269
 270       if ((child->type != CHILD_SPACE)
 271           && GTK_WIDGET_VISIBLE (child->widget) && GTK_WIDGET_MAPPED (child->widget))
 272         gtk_widget_unmap (child->widget);
 273     }
 274 }
 275
 276 static void
 277 gtk_toolbar_draw (GtkWidget    *widget,
 278                   GdkRectangle *area)
 279 {
 280   GtkToolbar   *toolbar;
 281   GList        *children;
 282   Child        *child;
 283   GdkRectangle  child_area;
 284
 285   g_return_if_fail (widget != NULL);
 286   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 287
 288   if (GTK_WIDGET_DRAWABLE (widget))
 289     {
 290       toolbar = GTK_TOOLBAR (widget);
 291
 292       for (children = toolbar->children; children; children = children->next)
 293         {
 294           child = children->data;
 295
 296           if ((child->type != CHILD_SPACE)
 297               && gtk_widget_intersect (child->widget, area, &child_area))
 298             gtk_widget_draw (child->widget, &child_area);
 299         }
 300     }
 301 }
 302
 303 static gint
 304 gtk_toolbar_expose (GtkWidget      *widget,
 305                     GdkEventExpose *event)
 306 {
 307   GtkToolbar     *toolbar;
 308   GList          *children;
 309   Child          *child;
 310   GdkEventExpose  child_event;
 311
 312   g_return_val_if_fail (widget != NULL, FALSE);
 313   g_return_val_if_fail (GTK_IS_TOOLBAR (widget), FALSE);
 314   g_return_val_if_fail (event != NULL, FALSE);
 315
 316   if (GTK_WIDGET_DRAWABLE (widget))
 317     {
 318       toolbar = GTK_TOOLBAR (widget);
 319
 320       child_event = *event;
 321
 322       for (children = toolbar->children; children; children = children->next)
 323         {
 324           child = children->data;
 325
 326           if ((child->type != CHILD_SPACE)
 327               && GTK_WIDGET_NO_WINDOW (child->widget)
 328               && gtk_widget_intersect (child->widget, &event->area, &child_event.area))
 329             gtk_widget_event (child->widget, (GdkEvent *) &child_event);
 330         }
 331     }
 332
 333   return FALSE;
 334 }
 335
 336 static void
 337 gtk_toolbar_size_request (GtkWidget      *widget,
 338                           GtkRequisition *requisition)
 339 {
 340   GtkToolbar *toolbar;
 341   GList      *children;
 342   Child      *child;
 343   gint        nbuttons;
 344   gint        button_maxw, button_maxh;
 345   gint        widget_maxw, widget_maxh;
 346
 347   g_return_if_fail (widget != NULL);
 348   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 349   g_return_if_fail (requisition != NULL);
 350
 351   toolbar = GTK_TOOLBAR (widget);
 352
 353   requisition->width = GTK_CONTAINER (toolbar)->border_width * 2;
 354   requisition->height = GTK_CONTAINER (toolbar)->border_width * 2;
 355   nbuttons = 0;
 356   button_maxw = 0;
 357   button_maxh = 0;
 358   widget_maxw = 0;
 359   widget_maxh = 0;
 360
 361   for (children = toolbar->children; children; children = children->next)
 362     {
 363       child = children->data;
 364
 365       switch (child->type)
 366         {
 367         case CHILD_SPACE:
 368           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 369             requisition->width += toolbar->space_size;
 370           else
 371             requisition->height += toolbar->space_size;
 372
 373           break;
 374
 375         case CHILD_BUTTON:
 376           if (GTK_WIDGET_VISIBLE (child->widget))
 377             {
 378               gtk_widget_size_request (child->widget, &child->widget->requisition);
 379
 380               nbuttons++;
 381               button_maxw = MAX (button_maxw, child->widget->requisition.width);
 382               button_maxh = MAX (button_maxh, child->widget->requisition.height);
 383             }
 384
 385           break;
 386
 387         case CHILD_WIDGET:
 388           if (GTK_WIDGET_VISIBLE (child->widget))
 389             {
 390               gtk_widget_size_request (child->widget, &child->widget->requisition);
 391
 392               widget_maxw = MAX (widget_maxw, child->widget->requisition.width);
 393               widget_maxh = MAX (widget_maxh, child->widget->requisition.height);
 394
 395               if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 396                 requisition->width += child->widget->requisition.width;
 397               else
 398                 requisition->height += child->widget->requisition.height;
 399             }
 400
 401           break;
 402
 403         default:
 404           g_assert_not_reached ();
 405         }
 406     }
 407
 408   if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 409     {
 410       requisition->width += nbuttons * button_maxw;
 411       requisition->height += MAX (button_maxh, widget_maxh);
 412     }
 413   else
 414     {
 415       requisition->width += MAX (button_maxw, widget_maxw);
 416       requisition->height += nbuttons * button_maxh;
 417     }
 418
 419   toolbar->button_maxw = button_maxw;
 420   toolbar->button_maxh = button_maxh;
 421 }
 422
 423 static void
 424 gtk_toolbar_size_allocate (GtkWidget     *widget,
 425                            GtkAllocation *allocation)
 426 {
 427   GtkToolbar     *toolbar;
 428   GList          *children;
 429   Child          *child;
 430   GtkAllocation   alloc;
 431   gint            border_width;
 432
 433   g_return_if_fail (widget != NULL);
 434   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 435   g_return_if_fail (allocation != NULL);
 436
 437   toolbar = GTK_TOOLBAR (widget);
 438   widget->allocation = *allocation;
 439
 440   border_width = GTK_CONTAINER (toolbar)->border_width;
 441
 442   if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 443     alloc.x = allocation->x + border_width;
 444   else
 445     alloc.y = allocation->y + border_width;
 446
 447   for (children = toolbar->children; children; children = children->next)
 448     {
 449       child = children->data;
 450
 451       switch (child->type)
 452         {
 453         case CHILD_SPACE:
 454           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 455             alloc.x += toolbar->space_size;
 456           else
 457             alloc.y += toolbar->space_size;
 458
 459           break;
 460
 461         case CHILD_BUTTON:
 462           alloc.width = toolbar->button_maxw;
 463           alloc.height = toolbar->button_maxh;
 464
 465           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 466             alloc.y = allocation->y + (allocation->height - toolbar->button_maxh) / 2;
 467           else
 468             alloc.x = allocation->x + (allocation->width - toolbar->button_maxw) / 2;
 469
 470           gtk_widget_size_allocate (child->widget, &alloc);
 471
 472           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 473             alloc.x += toolbar->button_maxw;
 474           else
 475             alloc.y += toolbar->button_maxh;
 476
 477           break;
 478
 479         case CHILD_WIDGET:
 480           alloc.width = child->widget->requisition.width;
 481           alloc.height = child->widget->requisition.height;
 482
 483           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 484             alloc.y = allocation->y + (allocation->height - child->widget->requisition.height) / 2;
 485           else
 486             alloc.x = allocation->x + (allocation->width - child->widget->requisition.width) / 2;
 487
 488           gtk_widget_size_allocate (child->widget, &alloc);
 489
 490           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 491             alloc.x += child->widget->requisition.width;
 492           else
 493             alloc.y += child->widget->requisition.height;
 494
 495           break;
 496
 497         default:
 498           g_assert_not_reached ();
 499         }
 500     }
 501 }
 502
 503 static void
 504 gtk_toolbar_add (GtkContainer *container,
 505                  GtkWidget    *widget)
 506 {
 507   g_return_if_fail (container != NULL);
 508   g_return_if_fail (GTK_IS_TOOLBAR (container));
 509   g_return_if_fail (widget != NULL);
 510
 511   gtk_toolbar_append_widget (GTK_TOOLBAR (container), widget, NULL);
 512 }
 513
 514 static void
 515 gtk_toolbar_remove (GtkContainer *container,
 516                     GtkWidget    *widget)
 517 {
 518   GtkToolbar *toolbar;
 519   GList      *children;
 520   Child      *child;
 521
 522   g_return_if_fail (container != NULL);
 523   g_return_if_fail (GTK_IS_TOOLBAR (container));
 524   g_return_if_fail (widget != NULL);
 525
 526   toolbar = GTK_TOOLBAR (container);
 527
 528   for (children = toolbar->children; children; children = children->next)
 529     {
 530       child = children->data;
 531
 532       if ((child->type != CHILD_SPACE) && (child->widget == widget))
 533         {
 534           gtk_widget_unparent (widget);
 535
 536           toolbar->children = g_list_remove_link (toolbar->children, children);
 537           g_free (child);
 538           g_list_free (children);
 539           toolbar->num_children--;
 540
 541           if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
 542             gtk_widget_queue_resize (GTK_WIDGET (container));
 543
 544           break;
 545         }
 546     }
 547 }
 548
 549 static void
 550 gtk_toolbar_foreach (GtkContainer *container,
 551                      GtkCallback   callback,
 552                      gpointer      callback_data)
 553 {
 554   GtkToolbar *toolbar;
 555   GList      *children;
 556   Child      *child;
 557
 558   g_return_if_fail (container != NULL);
 559   g_return_if_fail (GTK_IS_TOOLBAR (container));
 560   g_return_if_fail (callback != NULL);
 561
 562   toolbar = GTK_TOOLBAR (container);
 563
 564   for (children = toolbar->children; children; children = children->next)
 565     {
 566       child = children->data;
 567
 568       if (child->type != CHILD_SPACE)
 569         (*callback) (child->widget, callback_data);
 570     }
 571 }
 572
 573 GtkWidget *
 574 gtk_toolbar_append_item (GtkToolbar    *toolbar,
 575                          const char    *text,
 576                          const char    *tooltip_text,
 577                          GtkWidget     *icon,
 578                          GtkSignalFunc  callback,
 579                          gpointer       user_data)
 580 {
 581   return gtk_toolbar_insert_item (toolbar, text, tooltip_text, icon,
 582                                   callback, user_data, toolbar->num_children);
 583 }
 584
 585 GtkWidget *
 586 gtk_toolbar_prepend_item (GtkToolbar    *toolbar,
 587                           const char    *text,
 588                           const char    *tooltip_text,
 589                           GtkWidget     *icon,
 590                           GtkSignalFunc  callback,
 591                           gpointer       user_data)
 592 {
 593   return gtk_toolbar_insert_item (toolbar, text, tooltip_text, icon,
 594                                   callback, user_data, 0);
 595 }
 596
 597 GtkWidget *
 598 gtk_toolbar_insert_item (GtkToolbar    *toolbar,
 599                          const char    *text,
 600                          const char    *tooltip_text,
 601                          GtkWidget     *icon,
 602                          GtkSignalFunc  callback,
 603                          gpointer       user_data,
 604                          gint           position)
 605 {
 606   Child     *child;
 607   GtkWidget *vbox;
 608
 609   g_return_val_if_fail (toolbar != NULL, NULL);
 610   g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), NULL);
 611
 612   child = g_new (Child, 1);
 613
 614   child->type = CHILD_BUTTON;
 615   child->widget = gtk_button_new ();
 616
 617   if (callback)
 618     gtk_signal_connect (GTK_OBJECT (child->widget), "clicked",
 619                         callback, user_data);
 620
 621   if (tooltip_text)
 622     gtk_tooltips_set_tips (toolbar->tooltips, child->widget, tooltip_text);
 623
 624   if (text)
 625     child->label = gtk_label_new (text);
 626   else
 627     child->label = NULL;
 628
 629   if (icon)
 630     child->icon = GTK_WIDGET (icon);
 631   else
 632     child->icon = NULL;
 633
 634   vbox = gtk_vbox_new (FALSE, 0);
 635   gtk_container_add (GTK_CONTAINER (child->widget), vbox);
 636   gtk_widget_show (vbox);
 637
 638   if (child->icon)
 639     gtk_box_pack_start (GTK_BOX (vbox), child->icon, FALSE, FALSE, 0);
 640
 641   if (child->label)
 642     gtk_box_pack_start (GTK_BOX (vbox), child->label, FALSE, FALSE, 0);
 643
 644   switch (toolbar->style)
 645     {
 646     case GTK_TOOLBAR_ICONS:
 647       if (child->icon)
 648         gtk_widget_show (child->icon);
 649       break;
 650
 651     case GTK_TOOLBAR_TEXT:
 652       if (child->label)
 653         gtk_widget_show (child->label);
 654       break;
 655
 656     case GTK_TOOLBAR_BOTH:
 657       if (child->icon)
 658         gtk_widget_show (child->icon);
 659
 660       if (child->label)
 661         gtk_widget_show (child->label);
 662
 663       break;
 664
 665     default:
 666       g_assert_not_reached ();
 667     }
 668
 669   gtk_widget_show (child->widget);
 670
 671   toolbar->children = g_list_insert (toolbar->children, child, position);
 672   toolbar->num_children++;
 673
 674   gtk_widget_set_parent (child->widget, GTK_WIDGET (toolbar));
 675
 676   if (GTK_WIDGET_VISIBLE (toolbar))
 677     {
 678       if (GTK_WIDGET_REALIZED (toolbar)
 679           && !GTK_WIDGET_REALIZED (child->widget))
 680         gtk_widget_realize (child->widget);
 681
 682       if (GTK_WIDGET_MAPPED (toolbar)
 683           && !GTK_WIDGET_MAPPED (child->widget))
 684         gtk_widget_map (child->widget);
 685     }
 686
 687   if (GTK_WIDGET_VISIBLE (child->widget) && GTK_WIDGET_VISIBLE (toolbar))
 688     gtk_widget_queue_resize (child->widget);
 689
 690   return child->widget;
 691 }
 692
 693 void
 694 gtk_toolbar_append_space (GtkToolbar *toolbar)
 695 {
 696   gtk_toolbar_insert_space (toolbar, toolbar->num_children);
 697 }
 698
 699 void
 700 gtk_toolbar_prepend_space (GtkToolbar *toolbar)
 701 {
 702   gtk_toolbar_insert_space (toolbar, 0);
 703 }
 704
 705 void
 706 gtk_toolbar_insert_space (GtkToolbar *toolbar,
 707                           gint        position)
 708 {
 709   Child *child;
 710
 711   g_return_if_fail (toolbar != NULL);
 712   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 713
 714   child = g_new (Child, 1);
 715   child->type   = CHILD_SPACE;
 716   child->widget = NULL;
 717   child->icon   = NULL;
 718   child->label  = NULL;
 719
 720   toolbar->children = g_list_insert (toolbar->children, child, position);
 721   toolbar->num_children++;
 722
 723   if (GTK_WIDGET_VISIBLE (toolbar))
 724     gtk_widget_queue_resize (GTK_WIDGET (toolbar));
 725 }
 726
 727 void
 728 gtk_toolbar_append_widget (GtkToolbar *toolbar,
 729                            GtkWidget  *widget,
 730                            const char *tooltip_text)
 731 {
 732   gtk_toolbar_insert_widget (toolbar, widget, tooltip_text, toolbar->num_children);
 733 }
 734
 735 void
 736 gtk_toolbar_prepend_widget (GtkToolbar *toolbar,
 737                             GtkWidget  *widget,
 738                             const char *tooltip_text)
 739 {
 740   gtk_toolbar_insert_widget (toolbar, widget, tooltip_text, 0);
 741 }
 742
 743 void
 744 gtk_toolbar_insert_widget (GtkToolbar *toolbar,
 745                            GtkWidget  *widget,
 746                            const char *tooltip_text,
 747                            gint        position)
 748 {
 749   Child *child;
 750
 751   g_return_if_fail (toolbar != NULL);
 752   g_return_if_fail (widget != NULL);
 753
 754   child = g_new (Child, 1);
 755   child->type   = CHILD_WIDGET;
 756   child->widget = widget;
 757   child->icon   = NULL;
 758   child->label  = NULL;
 759
 760   if (tooltip_text)
 761     gtk_tooltips_set_tips (toolbar->tooltips, child->widget, tooltip_text);
 762
 763   toolbar->children = g_list_insert (toolbar->children, child, position);
 764   toolbar->num_children++;
 765
 766   gtk_widget_set_parent (child->widget, GTK_WIDGET (toolbar));
 767
 768   if (GTK_WIDGET_VISIBLE (toolbar))
 769     {
 770       if (GTK_WIDGET_REALIZED (toolbar)
 771           && !GTK_WIDGET_REALIZED (child->widget))
 772         gtk_widget_realize (child->widget);
 773
 774       if (GTK_WIDGET_MAPPED (toolbar)
 775           && !GTK_WIDGET_MAPPED (child->widget))
 776         gtk_widget_map (child->widget);
 777     }
 778
 779   if (GTK_WIDGET_VISIBLE (child->widget) && GTK_WIDGET_VISIBLE (toolbar))
 780     gtk_widget_queue_resize (child->widget);
 781 }
 782
 783 void
 784 gtk_toolbar_set_orientation (GtkToolbar     *toolbar,
 785                              GtkOrientation  orientation)
 786 {
 787   gtk_signal_emit (GTK_OBJECT (toolbar), toolbar_signals[ORIENTATION_CHANGED], orientation);
 788 }
 789
 790 void
 791 gtk_toolbar_set_style (GtkToolbar      *toolbar,
 792                        GtkToolbarStyle  style)
 793 {
 794   gtk_signal_emit (GTK_OBJECT (toolbar), toolbar_signals[STYLE_CHANGED], style);
 795 }
 796
 797 void
 798 gtk_toolbar_set_space_size (GtkToolbar *toolbar,
 799                             gint        space_size)
 800 {
 801   g_return_if_fail (toolbar != NULL);
 802   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 803
 804   if (toolbar->space_size != space_size)
 805     {
 806       toolbar->space_size = space_size;
 807       gtk_widget_queue_resize (GTK_WIDGET (toolbar));
 808     }
 809 }
 810
 811 void
 812 gtk_toolbar_set_tooltips (GtkToolbar *toolbar,
 813                           gint        enable)
 814 {
 815   g_return_if_fail (toolbar != NULL);
 816   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 817
 818   if (enable)
 819     gtk_tooltips_enable (toolbar->tooltips);
 820   else
 821     gtk_tooltips_disable (toolbar->tooltips);
 822 }
 823
 824 static void
 825 gtk_toolbar_marshal_signal_1 (GtkObject     *object,
 826                               GtkSignalFunc  func,
 827                               gpointer       func_data,
 828                               GtkArg        *args)
 829 {
 830   GtkToolbarSignal1 rfunc;
 831
 832   rfunc = (GtkToolbarSignal1) func;
 833
 834   (*rfunc) (object, GTK_VALUE_ENUM (args[0]), func_data);
 835 }
 836
 837 static void
 838 gtk_real_toolbar_orientation_changed (GtkToolbar     *toolbar,
 839                                       GtkOrientation  orientation)
 840 {
 841   g_return_if_fail (toolbar != NULL);
 842   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 843
 844   if (toolbar->orientation != orientation)
 845     {
 846       toolbar->orientation = orientation;
 847       gtk_widget_queue_resize (GTK_WIDGET (toolbar));
 848     }
 849 }
 850
 851 static void
 852 gtk_real_toolbar_style_changed (GtkToolbar      *toolbar,
 853                                 GtkToolbarStyle  style)
 854 {
 855   GList *children;
 856   Child *child;
 857
 858   g_return_if_fail (toolbar != NULL);
 859   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 860
 861   if (toolbar->style != style)
 862     {
 863       toolbar->style = style;
 864
 865       for (children = toolbar->children; children; children = children->next)
 866         {
 867           child = children->data;
 868
 869           if (child->type == CHILD_BUTTON)
 870             switch (style)
 871               {
 872               case GTK_TOOLBAR_ICONS:
 873                 if (child->icon && !GTK_WIDGET_VISIBLE (child->icon))
 874                   gtk_widget_show (child->icon);
 875
 876                 if (child->label && GTK_WIDGET_VISIBLE (child->label))
 877                   gtk_widget_hide (child->label);
 878
 879                 break;
 880
 881               case GTK_TOOLBAR_TEXT:
 882                 if (child->icon && GTK_WIDGET_VISIBLE (child->icon))
 883                   gtk_widget_hide (child->icon);
 884
 885                 if (child->label && !GTK_WIDGET_VISIBLE (child->label))
 886                   gtk_widget_show (child->label);
 887
 888                 break;
 889
 890               case GTK_TOOLBAR_BOTH:
 891                 if (child->icon && !GTK_WIDGET_VISIBLE (child->icon))
 892                   gtk_widget_show (child->icon);
 893
 894                 if (child->label && !GTK_WIDGET_VISIBLE (child->label))
 895                   gtk_widget_show (child->label);
 896
 897                 break;
 898
 899               default:
 900                 g_assert_not_reached ();
 901               }
 902         }
 903
 904       gtk_widget_queue_resize (GTK_WIDGET (toolbar));
 905     }
 906 }