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
 171   toolbar->num_children = 0;
 172   toolbar->children     = NULL;
 173   toolbar->orientation  = GTK_ORIENTATION_HORIZONTAL;
 174   toolbar->style        = GTK_TOOLBAR_ICONS;
 175   toolbar->space_size   = DEFAULT_SPACE_SIZE;
 176   toolbar->tooltips     = gtk_tooltips_new ();
 177   toolbar->button_maxw  = 0;
 178   toolbar->button_maxh  = 0;
 179 }
 180
 181 GtkWidget *
 182 gtk_toolbar_new (GtkOrientation  orientation,
 183                  GtkToolbarStyle style)
 184 {
 185   GtkToolbar *toolbar;
 186
 187   toolbar = gtk_type_new (gtk_toolbar_get_type ());
 188
 189   toolbar->orientation = orientation;
 190   toolbar->style = style;
 191
 192   return GTK_WIDGET (toolbar);
 193 }
 194
 195 static void
 196 gtk_toolbar_destroy (GtkObject *object)
 197 {
 198   GtkToolbar *toolbar;
 199   GList      *children;
 200   Child      *child;
 201
 202   g_return_if_fail (object != NULL);
 203   g_return_if_fail (GTK_IS_TOOLBAR (object));
 204
 205   toolbar = GTK_TOOLBAR (object);
 206
 207   gtk_tooltips_unref (toolbar->tooltips);
 208
 209   for (children = toolbar->children; children; children = children->next)
 210     {
 211       child = children->data;
 212
 213       if (child->type != CHILD_SPACE)
 214         {
 215           child->widget->parent = NULL;
 216           gtk_object_unref (GTK_OBJECT (child->widget));
 217           gtk_widget_destroy (child->widget);
 218         }
 219
 220       g_free (child);
 221     }
 222
 223   g_list_free (toolbar->children);
 224
 225   if (GTK_OBJECT_CLASS (parent_class)->destroy)
 226     (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
 227 }
 228
 229 static void
 230 gtk_toolbar_map (GtkWidget *widget)
 231 {
 232   GtkToolbar *toolbar;
 233   GList      *children;
 234   Child      *child;
 235
 236   g_return_if_fail (widget != NULL);
 237   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 238
 239   toolbar = GTK_TOOLBAR (widget);
 240   GTK_WIDGET_SET_FLAGS (toolbar, GTK_MAPPED);
 241
 242   for (children = toolbar->children; children; children = children->next)
 243     {
 244       child = children->data;
 245
 246       if ((child->type != CHILD_SPACE)
 247           && GTK_WIDGET_VISIBLE (child->widget) && !GTK_WIDGET_MAPPED (child->widget))
 248         gtk_widget_map (child->widget);
 249     }
 250 }
 251
 252 static void
 253 gtk_toolbar_unmap (GtkWidget *widget)
 254 {
 255   GtkToolbar *toolbar;
 256   GList      *children;
 257   Child      *child;
 258
 259   g_return_if_fail (widget != NULL);
 260   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 261
 262   toolbar = GTK_TOOLBAR (widget);
 263   GTK_WIDGET_UNSET_FLAGS (toolbar, GTK_MAPPED);
 264
 265   for (children = toolbar->children; children; children = children->next)
 266     {
 267       child = children->data;
 268
 269       if ((child->type != CHILD_SPACE)
 270           && GTK_WIDGET_VISIBLE (child->widget) && GTK_WIDGET_MAPPED (child->widget))
 271         gtk_widget_unmap (child->widget);
 272     }
 273 }
 274
 275 static void
 276 gtk_toolbar_draw (GtkWidget    *widget,
 277                   GdkRectangle *area)
 278 {
 279   GtkToolbar   *toolbar;
 280   GList        *children;
 281   Child        *child;
 282   GdkRectangle  child_area;
 283
 284   g_return_if_fail (widget != NULL);
 285   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 286
 287   if (GTK_WIDGET_DRAWABLE (widget))
 288     {
 289       toolbar = GTK_TOOLBAR (widget);
 290
 291       for (children = toolbar->children; children; children = children->next)
 292         {
 293           child = children->data;
 294
 295           if ((child->type != CHILD_SPACE)
 296               && gtk_widget_intersect (child->widget, area, &child_area))
 297             gtk_widget_draw (child->widget, &child_area);
 298         }
 299     }
 300 }
 301
 302 static gint
 303 gtk_toolbar_expose (GtkWidget      *widget,
 304                     GdkEventExpose *event)
 305 {
 306   GtkToolbar     *toolbar;
 307   GList          *children;
 308   Child          *child;
 309   GdkEventExpose  child_event;
 310
 311   g_return_val_if_fail (widget != NULL, FALSE);
 312   g_return_val_if_fail (GTK_IS_TOOLBAR (widget), FALSE);
 313   g_return_val_if_fail (event != NULL, FALSE);
 314
 315   if (GTK_WIDGET_DRAWABLE (widget))
 316     {
 317       toolbar = GTK_TOOLBAR (widget);
 318
 319       child_event = *event;
 320
 321       for (children = toolbar->children; children; children = children->next)
 322         {
 323           child = children->data;
 324
 325           if ((child->type != CHILD_SPACE)
 326               && GTK_WIDGET_NO_WINDOW (child->widget)
 327               && gtk_widget_intersect (child->widget, &event->area, &child_event.area))
 328             gtk_widget_event (child->widget, (GdkEvent *) &child_event);
 329         }
 330     }
 331
 332   return FALSE;
 333 }
 334
 335 static void
 336 gtk_toolbar_size_request (GtkWidget      *widget,
 337                           GtkRequisition *requisition)
 338 {
 339   GtkToolbar *toolbar;
 340   GList      *children;
 341   Child      *child;
 342   gint        nbuttons;
 343   gint        button_maxw, button_maxh;
 344   gint        widget_maxw, widget_maxh;
 345
 346   g_return_if_fail (widget != NULL);
 347   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 348   g_return_if_fail (requisition != NULL);
 349
 350   toolbar = GTK_TOOLBAR (widget);
 351
 352   requisition->width = GTK_CONTAINER (toolbar)->border_width * 2;
 353   requisition->height = GTK_CONTAINER (toolbar)->border_width * 2;
 354   nbuttons = 0;
 355   button_maxw = 0;
 356   button_maxh = 0;
 357   widget_maxw = 0;
 358   widget_maxh = 0;
 359
 360   for (children = toolbar->children; children; children = children->next)
 361     {
 362       child = children->data;
 363
 364       switch (child->type)
 365         {
 366         case CHILD_SPACE:
 367           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 368             requisition->width += toolbar->space_size;
 369           else
 370             requisition->height += toolbar->space_size;
 371
 372           break;
 373
 374         case CHILD_BUTTON:
 375           if (GTK_WIDGET_VISIBLE (child->widget))
 376             {
 377               gtk_widget_size_request (child->widget, &child->widget->requisition);
 378
 379               nbuttons++;
 380               button_maxw = MAX (button_maxw, child->widget->requisition.width);
 381               button_maxh = MAX (button_maxh, child->widget->requisition.height);
 382             }
 383
 384           break;
 385
 386         case CHILD_WIDGET:
 387           if (GTK_WIDGET_VISIBLE (child->widget))
 388             {
 389               gtk_widget_size_request (child->widget, &child->widget->requisition);
 390
 391               widget_maxw = MAX (widget_maxw, child->widget->requisition.width);
 392               widget_maxh = MAX (widget_maxh, child->widget->requisition.height);
 393
 394               if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 395                 requisition->width += child->widget->requisition.width;
 396               else
 397                 requisition->height += child->widget->requisition.height;
 398             }
 399
 400           break;
 401
 402         default:
 403           g_assert_not_reached ();
 404         }
 405     }
 406
 407   if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 408     {
 409       requisition->width += nbuttons * button_maxw;
 410       requisition->height += MAX (button_maxh, widget_maxh);
 411     }
 412   else
 413     {
 414       requisition->width += MAX (button_maxw, widget_maxw);
 415       requisition->height += nbuttons * button_maxh;
 416     }
 417
 418   toolbar->button_maxw = button_maxw;
 419   toolbar->button_maxh = button_maxh;
 420 }
 421
 422 static void
 423 gtk_toolbar_size_allocate (GtkWidget     *widget,
 424                            GtkAllocation *allocation)
 425 {
 426   GtkToolbar     *toolbar;
 427   GList          *children;
 428   Child          *child;
 429   GtkAllocation   alloc;
 430   gint            border_width;
 431
 432   g_return_if_fail (widget != NULL);
 433   g_return_if_fail (GTK_IS_TOOLBAR (widget));
 434   g_return_if_fail (allocation != NULL);
 435
 436   toolbar = GTK_TOOLBAR (widget);
 437   widget->allocation = *allocation;
 438
 439   border_width = GTK_CONTAINER (toolbar)->border_width;
 440
 441   if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 442     alloc.x = allocation->x + border_width;
 443   else
 444     alloc.y = allocation->y + border_width;
 445
 446   for (children = toolbar->children; children; children = children->next)
 447     {
 448       child = children->data;
 449
 450       switch (child->type)
 451         {
 452         case CHILD_SPACE:
 453           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 454             alloc.x += toolbar->space_size;
 455           else
 456             alloc.y += toolbar->space_size;
 457
 458           break;
 459
 460         case CHILD_BUTTON:
 461           alloc.width = toolbar->button_maxw;
 462           alloc.height = toolbar->button_maxh;
 463
 464           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 465             alloc.y = allocation->y + (allocation->height - toolbar->button_maxh) / 2;
 466           else
 467             alloc.x = allocation->x + (allocation->width - toolbar->button_maxw) / 2;
 468
 469           gtk_widget_size_allocate (child->widget, &alloc);
 470
 471           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 472             alloc.x += toolbar->button_maxw;
 473           else
 474             alloc.y += toolbar->button_maxh;
 475
 476           break;
 477
 478         case CHILD_WIDGET:
 479           alloc.width = child->widget->requisition.width;
 480           alloc.height = child->widget->requisition.height;
 481
 482           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 483             alloc.y = allocation->y + (allocation->height - child->widget->requisition.height) / 2;
 484           else
 485             alloc.x = allocation->x + (allocation->width - child->widget->requisition.width) / 2;
 486
 487           gtk_widget_size_allocate (child->widget, &alloc);
 488
 489           if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
 490             alloc.x += child->widget->requisition.width;
 491           else
 492             alloc.y += child->widget->requisition.height;
 493
 494           break;
 495
 496         default:
 497           g_assert_not_reached ();
 498         }
 499     }
 500 }
 501
 502 static void
 503 gtk_toolbar_add (GtkContainer *container,
 504                  GtkWidget    *widget)
 505 {
 506   g_return_if_fail (container != NULL);
 507   g_return_if_fail (GTK_IS_TOOLBAR (container));
 508   g_return_if_fail (widget != NULL);
 509
 510   gtk_toolbar_append_widget (GTK_TOOLBAR (container), NULL, widget);
 511 }
 512
 513 static void
 514 gtk_toolbar_remove (GtkContainer *container,
 515                     GtkWidget    *widget)
 516 {
 517   GtkToolbar *toolbar;
 518   GList      *children;
 519   Child      *child;
 520
 521   g_return_if_fail (container != NULL);
 522   g_return_if_fail (GTK_IS_TOOLBAR (container));
 523   g_return_if_fail (widget != NULL);
 524
 525   toolbar = GTK_TOOLBAR (container);
 526
 527   for (children = toolbar->children; children; children = children->next)
 528     {
 529       child = children->data;
 530
 531       if ((child->type != CHILD_SPACE) && (child->widget == widget))
 532         {
 533           gtk_widget_unparent (widget);
 534
 535           toolbar->children = g_list_remove_link (toolbar->children, children);
 536           g_free (child);
 537           g_list_free (children);
 538           toolbar->num_children--;
 539
 540           if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
 541             gtk_widget_queue_resize (GTK_WIDGET (container));
 542
 543           break;
 544         }
 545     }
 546 }
 547
 548 static void
 549 gtk_toolbar_foreach (GtkContainer *container,
 550                      GtkCallback   callback,
 551                      gpointer      callback_data)
 552 {
 553   GtkToolbar *toolbar;
 554   GList      *children;
 555   Child      *child;
 556
 557   g_return_if_fail (container != NULL);
 558   g_return_if_fail (GTK_IS_TOOLBAR (container));
 559   g_return_if_fail (callback != NULL);
 560
 561   toolbar = GTK_TOOLBAR (container);
 562
 563   for (children = toolbar->children; children; children = children->next)
 564     {
 565       child = children->data;
 566
 567       if (child->type != CHILD_SPACE)
 568         (*callback) (child->widget, callback_data);
 569     }
 570 }
 571
 572 GtkWidget *
 573 gtk_toolbar_append_item (GtkToolbar    *toolbar,
 574                          const char    *text,
 575                          const char    *tooltip_text,
 576                          GtkWidget     *icon,
 577                          GtkSignalFunc  callback,
 578                          gpointer       user_data)
 579 {
 580   return gtk_toolbar_insert_item (toolbar, text, tooltip_text, icon,
 581                                   callback, user_data, toolbar->num_children);
 582 }
 583
 584 GtkWidget *
 585 gtk_toolbar_prepend_item (GtkToolbar    *toolbar,
 586                           const char    *text,
 587                           const char    *tooltip_text,
 588                           GtkWidget     *icon,
 589                           GtkSignalFunc  callback,
 590                           gpointer       user_data)
 591 {
 592   return gtk_toolbar_insert_item (toolbar, text, tooltip_text, icon,
 593                                   callback, user_data, 0);
 594 }
 595
 596 GtkWidget *
 597 gtk_toolbar_insert_item (GtkToolbar    *toolbar,
 598                          const char    *text,
 599                          const char    *tooltip_text,
 600                          GtkWidget     *icon,
 601                          GtkSignalFunc  callback,
 602                          gpointer       user_data,
 603                          gint           position)
 604 {
 605   Child     *child;
 606   GtkWidget *vbox;
 607
 608   g_return_val_if_fail (toolbar != NULL, NULL);
 609   g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), NULL);
 610
 611   child = g_new (Child, 1);
 612
 613   child->type = CHILD_BUTTON;
 614   child->widget = gtk_button_new ();
 615
 616   if (callback)
 617     gtk_signal_connect (GTK_OBJECT (child->widget), "clicked",
 618                         callback, user_data);
 619
 620   if (tooltip_text)
 621     gtk_tooltips_set_tips (toolbar->tooltips, child->widget, tooltip_text);
 622
 623   if (text)
 624     child->label = gtk_label_new (text);
 625   else
 626     child->label = NULL;
 627
 628   if (icon)
 629     child->icon = GTK_WIDGET (icon);
 630   else
 631     child->icon = NULL;
 632
 633   vbox = gtk_vbox_new (FALSE, 0);
 634   gtk_container_add (GTK_CONTAINER (child->widget), vbox);
 635   gtk_widget_show (vbox);
 636
 637   if (child->icon)
 638     gtk_box_pack_start (GTK_BOX (vbox), child->icon, FALSE, FALSE, 0);
 639
 640   if (child->label)
 641     gtk_box_pack_start (GTK_BOX (vbox), child->label, FALSE, FALSE, 0);
 642
 643   switch (toolbar->style)
 644     {
 645     case GTK_TOOLBAR_ICONS:
 646       if (child->icon)
 647         gtk_widget_show (child->icon);
 648       break;
 649
 650     case GTK_TOOLBAR_TEXT:
 651       if (child->label)
 652         gtk_widget_show (child->label);
 653       break;
 654
 655     case GTK_TOOLBAR_BOTH:
 656       if (child->icon)
 657         gtk_widget_show (child->icon);
 658
 659       if (child->label)
 660         gtk_widget_show (child->label);
 661
 662       break;
 663
 664     default:
 665       g_assert_not_reached ();
 666     }
 667
 668   gtk_widget_show (child->widget);
 669
 670   toolbar->children = g_list_insert (toolbar->children, child, position);
 671   toolbar->num_children++;
 672
 673   gtk_widget_set_parent (child->widget, GTK_WIDGET (toolbar));
 674
 675   if (GTK_WIDGET_VISIBLE (toolbar))
 676     {
 677       if (GTK_WIDGET_REALIZED (toolbar)
 678           && !GTK_WIDGET_REALIZED (child->widget))
 679         gtk_widget_realize (child->widget);
 680
 681       if (GTK_WIDGET_MAPPED (toolbar)
 682           && !GTK_WIDGET_MAPPED (child->widget))
 683         gtk_widget_map (child->widget);
 684     }
 685
 686   if (GTK_WIDGET_VISIBLE (child->widget) && GTK_WIDGET_VISIBLE (toolbar))
 687     gtk_widget_queue_resize (child->widget);
 688
 689   return child->widget;
 690 }
 691
 692 void
 693 gtk_toolbar_append_space (GtkToolbar *toolbar)
 694 {
 695   gtk_toolbar_insert_space (toolbar, toolbar->num_children);
 696 }
 697
 698 void
 699 gtk_toolbar_prepend_space (GtkToolbar *toolbar)
 700 {
 701   gtk_toolbar_insert_space (toolbar, 0);
 702 }
 703
 704 void
 705 gtk_toolbar_insert_space (GtkToolbar *toolbar,
 706                           gint        position)
 707 {
 708   Child *child;
 709
 710   g_return_if_fail (toolbar != NULL);
 711   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 712
 713   child = g_new (Child, 1);
 714   child->type   = CHILD_SPACE;
 715   child->widget = NULL;
 716   child->icon   = NULL;
 717   child->label  = NULL;
 718
 719   toolbar->children = g_list_insert (toolbar->children, child, position);
 720   toolbar->num_children++;
 721
 722   if (GTK_WIDGET_VISIBLE (toolbar))
 723     gtk_widget_queue_resize (GTK_WIDGET (toolbar));
 724 }
 725
 726 void
 727 gtk_toolbar_append_widget (GtkToolbar *toolbar,
 728                            const char *tooltip_text,
 729                            GtkWidget  *widget)
 730 {
 731   gtk_toolbar_insert_widget (toolbar, tooltip_text, widget, toolbar->num_children);
 732 }
 733
 734 void
 735 gtk_toolbar_prepend_widget (GtkToolbar *toolbar,
 736                             const char *tooltip_text,
 737                             GtkWidget  *widget)
 738 {
 739   gtk_toolbar_insert_widget (toolbar, tooltip_text, widget, 0);
 740 }
 741
 742 void
 743 gtk_toolbar_insert_widget (GtkToolbar *toolbar,
 744                            const char *tooltip_text,
 745                            GtkWidget  *widget,
 746                            gint        position)
 747 {
 748   Child *child;
 749
 750   g_return_if_fail (toolbar != NULL);
 751   g_return_if_fail (widget != NULL);
 752
 753   child = g_new (Child, 1);
 754   child->type   = CHILD_WIDGET;
 755   child->widget = widget;
 756   child->icon   = NULL;
 757   child->label  = NULL;
 758
 759   if (tooltip_text)
 760     gtk_tooltips_set_tips (toolbar->tooltips, child->widget, tooltip_text);
 761
 762   toolbar->children = g_list_insert (toolbar->children, child, position);
 763   toolbar->num_children++;
 764
 765   gtk_widget_set_parent (child->widget, GTK_WIDGET (toolbar));
 766
 767   if (GTK_WIDGET_VISIBLE (toolbar))
 768     {
 769       if (GTK_WIDGET_REALIZED (toolbar)
 770           && !GTK_WIDGET_REALIZED (child->widget))
 771         gtk_widget_realize (child->widget);
 772
 773       if (GTK_WIDGET_MAPPED (toolbar)
 774           && !GTK_WIDGET_MAPPED (child->widget))
 775         gtk_widget_map (child->widget);
 776     }
 777
 778   if (GTK_WIDGET_VISIBLE (child->widget) && GTK_WIDGET_VISIBLE (toolbar))
 779     gtk_widget_queue_resize (child->widget);
 780 }
 781
 782 void
 783 gtk_toolbar_set_orientation (GtkToolbar     *toolbar,
 784                              GtkOrientation  orientation)
 785 {
 786   gtk_signal_emit (GTK_OBJECT (toolbar), toolbar_signals[ORIENTATION_CHANGED], orientation);
 787 }
 788
 789 void
 790 gtk_toolbar_set_style (GtkToolbar      *toolbar,
 791                        GtkToolbarStyle  style)
 792 {
 793   gtk_signal_emit (GTK_OBJECT (toolbar), toolbar_signals[STYLE_CHANGED], style);
 794 }
 795
 796 void
 797 gtk_toolbar_set_space_size (GtkToolbar *toolbar,
 798                             gint        space_size)
 799 {
 800   g_return_if_fail (toolbar != NULL);
 801   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 802
 803   if (toolbar->space_size != space_size)
 804     {
 805       toolbar->space_size = space_size;
 806       gtk_widget_queue_resize (GTK_WIDGET (toolbar));
 807     }
 808 }
 809
 810 void
 811 gtk_toolbar_set_tooltips (GtkToolbar *toolbar,
 812                           gint        enable)
 813 {
 814   g_return_if_fail (toolbar != NULL);
 815   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 816
 817   if (enable)
 818     gtk_tooltips_enable (toolbar->tooltips);
 819   else
 820     gtk_tooltips_disable (toolbar->tooltips);
 821 }
 822
 823 static void
 824 gtk_toolbar_marshal_signal_1 (GtkObject     *object,
 825                               GtkSignalFunc  func,
 826                               gpointer       func_data,
 827                               GtkArg        *args)
 828 {
 829   GtkToolbarSignal1 rfunc;
 830
 831   rfunc = (GtkToolbarSignal1) func;
 832
 833   (*rfunc) (object, GTK_VALUE_ENUM (args[0]), func_data);
 834 }
 835
 836 static void
 837 gtk_real_toolbar_orientation_changed (GtkToolbar     *toolbar,
 838                                       GtkOrientation  orientation)
 839 {
 840   g_return_if_fail (toolbar != NULL);
 841   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 842
 843   if (toolbar->orientation != orientation)
 844     {
 845       toolbar->orientation = orientation;
 846       gtk_widget_queue_resize (GTK_WIDGET (toolbar));
 847     }
 848 }
 849
 850 static void
 851 gtk_real_toolbar_style_changed (GtkToolbar      *toolbar,
 852                                 GtkToolbarStyle  style)
 853 {
 854   GList *children;
 855   Child *child;
 856
 857   g_return_if_fail (toolbar != NULL);
 858   g_return_if_fail (GTK_IS_TOOLBAR (toolbar));
 859
 860   if (toolbar->style != style)
 861     {
 862       toolbar->style = style;
 863
 864       for (children = toolbar->children; children; children = children->next)
 865         {
 866           child = children->data;
 867
 868           if (child->type == CHILD_BUTTON)
 869             switch (style)
 870               {
 871               case GTK_TOOLBAR_ICONS:
 872                 if (child->icon && !GTK_WIDGET_VISIBLE (child->icon))
 873                   gtk_widget_show (child->icon);
 874
 875                 if (child->label && GTK_WIDGET_VISIBLE (child->label))
 876                   gtk_widget_hide (child->label);
 877
 878                 break;
 879
 880               case GTK_TOOLBAR_TEXT:
 881                 if (child->icon && GTK_WIDGET_VISIBLE (child->icon))
 882                   gtk_widget_hide (child->icon);
 883
 884                 if (child->label && !GTK_WIDGET_VISIBLE (child->label))
 885                   gtk_widget_show (child->label);
 886
 887                 break;
 888
 889               case GTK_TOOLBAR_BOTH:
 890                 if (child->icon && !GTK_WIDGET_VISIBLE (child->icon))
 891                   gtk_widget_show (child->icon);
 892
 893                 if (child->label && !GTK_WIDGET_VISIBLE (child->label))
 894                   gtk_widget_show (child->label);
 895
 896                 break;
 897
 898               default:
 899                 g_assert_not_reached ();
 900               }
 901         }
 902
 903       gtk_widget_queue_resize (GTK_WIDGET (toolbar));
 904     }
 905 }