src/gtk/win_gtk.c

   1 /* ///////////////////////////////////////////////////////////////////////////
   2 // Name:        win_gtk.c
   3 // Purpose:     native GTK+ widget for wxWindows
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////// */
   9
  10 #include "wx/gtk/win_gtk.h"
  11 #include <gtk/gtkfeatures.h>
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif /* __cplusplus */
  16
  17 static void gtk_myfixed_class_init    (GtkMyFixedClass    *klass);
  18 static void gtk_myfixed_init          (GtkMyFixed         *myfixed);
  19 static void gtk_myfixed_map           (GtkWidget        *widget);
  20 static void gtk_myfixed_unmap         (GtkWidget        *widget);
  21 static void gtk_myfixed_realize       (GtkWidget        *widget);
  22 static void gtk_myfixed_size_request  (GtkWidget        *widget,
  23                                      GtkRequisition   *requisition);
  24 static void gtk_myfixed_size_allocate (GtkWidget        *widget,
  25                                      GtkAllocation    *allocation);
  26 static void gtk_myfixed_paint         (GtkWidget        *widget,
  27                                      GdkRectangle     *area);
  28 static void gtk_myfixed_draw          (GtkWidget        *widget,
  29                                      GdkRectangle     *area);
  30 static gint gtk_myfixed_expose        (GtkWidget        *widget,
  31                                      GdkEventExpose   *event);
  32 static void gtk_myfixed_add           (GtkContainer     *container,
  33                                      GtkWidget        *widget);
  34 static void gtk_myfixed_remove        (GtkContainer     *container,
  35                                      GtkWidget        *widget);
  36 static void gtk_myfixed_foreach       (GtkContainer     *container,
  37 #if (GTK_MINOR_VERSION == 1)
  38                                      gboolean         include_internals,
  39 #endif
  40                                      GtkCallback      callback,
  41                                      gpointer         callback_data);
  42
  43
  44 static GtkContainerClass *parent_class = NULL;
  45
  46
  47 guint
  48 gtk_myfixed_get_type ()
  49 {
  50   static guint myfixed_type = 0;
  51
  52   if (!myfixed_type)
  53     {
  54       GtkTypeInfo myfixed_info =
  55       {
  56         "GtkMyFixed",
  57         sizeof (GtkMyFixed),
  58         sizeof (GtkMyFixedClass),
  59         (GtkClassInitFunc) gtk_myfixed_class_init,
  60         (GtkObjectInitFunc) gtk_myfixed_init,
  61         (GtkArgSetFunc) NULL,
  62         (GtkArgGetFunc) NULL,
  63       };
  64
  65       myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info);
  66     }
  67
  68   return myfixed_type;
  69 }
  70
  71 static void
  72 gtk_myfixed_class_init (GtkMyFixedClass *klass)
  73 {
  74   GtkObjectClass *object_class;
  75   GtkWidgetClass *widget_class;
  76   GtkContainerClass *container_class;
  77
  78   object_class = (GtkObjectClass*) klass;
  79   widget_class = (GtkWidgetClass*) klass;
  80   container_class = (GtkContainerClass*) klass;
  81
  82   parent_class = gtk_type_class (gtk_container_get_type ());
  83
  84   widget_class->map = gtk_myfixed_map;
  85   widget_class->unmap = gtk_myfixed_unmap;
  86   widget_class->realize = gtk_myfixed_realize;
  87   widget_class->size_request = gtk_myfixed_size_request;
  88   widget_class->size_allocate = gtk_myfixed_size_allocate;
  89   widget_class->draw = gtk_myfixed_draw;
  90   widget_class->expose_event = gtk_myfixed_expose;
  91
  92   container_class->add = gtk_myfixed_add;
  93   container_class->remove = gtk_myfixed_remove;
  94 #if (GTK_MINOR_VERSION == 1)
  95   container_class->forall = gtk_myfixed_foreach;
  96 #else
  97   container_class->foreach = gtk_myfixed_foreach;
  98 #endif
  99 }
 100
 101 static void
 102 gtk_myfixed_init (GtkMyFixed *myfixed)
 103 {
 104   GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW);
 105   GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC);
 106
 107 #if (GTK_MINOR_VERSION == 1)
 108   gtk_container_set_resize_mode( GTK_CONTAINER(myfixed), GTK_RESIZE_PARENT );
 109 #endif
 110
 111   myfixed->children = NULL;
 112 }
 113
 114 GtkWidget*
 115 gtk_myfixed_new ()
 116 {
 117   GtkMyFixed *myfixed;
 118
 119   myfixed = gtk_type_new (gtk_myfixed_get_type ());
 120
 121   return GTK_WIDGET (myfixed);
 122 }
 123
 124 void
 125 gtk_myfixed_put (GtkMyFixed       *myfixed,
 126                GtkWidget      *widget,
 127                gint16         x,
 128                gint16         y)
 129 {
 130   GtkMyFixedChild *child_info;
 131
 132   g_return_if_fail (myfixed != NULL);
 133   g_return_if_fail (GTK_IS_MYFIXED (myfixed));
 134   g_return_if_fail (widget != NULL);
 135
 136   child_info = g_new (GtkMyFixedChild, 1);
 137   child_info->widget = widget;
 138   child_info->x = x;
 139   child_info->y = y;
 140
 141   gtk_widget_set_parent (widget, GTK_WIDGET (myfixed));
 142
 143   myfixed->children = g_list_append (myfixed->children, child_info);
 144
 145   if (GTK_WIDGET_REALIZED (myfixed) && !GTK_WIDGET_REALIZED (widget))
 146     gtk_widget_realize (widget);
 147
 148   if (GTK_WIDGET_MAPPED (myfixed) && !GTK_WIDGET_MAPPED (widget))
 149     gtk_widget_map (widget);
 150
 151   if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
 152     gtk_widget_queue_resize (GTK_WIDGET (myfixed));
 153 }
 154
 155 void
 156 gtk_myfixed_move (GtkMyFixed       *myfixed,
 157                 GtkWidget      *widget,
 158                 gint16         x,
 159                 gint16         y)
 160 {
 161   GtkMyFixedChild *child;
 162   GList *children;
 163
 164   g_return_if_fail (myfixed != NULL);
 165   g_return_if_fail (GTK_IS_MYFIXED (myfixed));
 166   g_return_if_fail (widget != NULL);
 167
 168   children = myfixed->children;
 169   while (children)
 170     {
 171       child = children->data;
 172       children = children->next;
 173
 174       if (child->widget == widget)
 175         {
 176           if ((child->x == x) && (child->y == y)) return;
 177
 178           child->x = x;
 179           child->y = y;
 180
 181           if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
 182             gtk_widget_queue_resize (GTK_WIDGET (myfixed));
 183
 184           break;
 185         }
 186     }
 187 }
 188
 189 static void
 190 gtk_myfixed_map (GtkWidget *widget)
 191 {
 192   GtkMyFixed *myfixed;
 193   GtkMyFixedChild *child;
 194   GList *children;
 195
 196   g_return_if_fail (widget != NULL);
 197   g_return_if_fail (GTK_IS_MYFIXED (widget));
 198
 199   GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
 200   myfixed = GTK_MYFIXED (widget);
 201
 202   gdk_window_show (widget->window);
 203
 204   children = myfixed->children;
 205   while (children)
 206     {
 207       child = children->data;
 208       children = children->next;
 209
 210       if (GTK_WIDGET_VISIBLE (child->widget) &&
 211           !GTK_WIDGET_MAPPED (child->widget))
 212         gtk_widget_map (child->widget);
 213     }
 214 }
 215
 216 static void
 217 gtk_myfixed_unmap (GtkWidget *widget)
 218 {
 219   g_return_if_fail (widget != NULL);
 220   g_return_if_fail (GTK_IS_MYFIXED (widget));
 221
 222   GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
 223 }
 224
 225 static void
 226 gtk_myfixed_realize (GtkWidget *widget)
 227 {
 228   GtkMyFixed *myfixed;
 229   GdkWindowAttr attributes;
 230   gint attributes_mask;
 231
 232   g_return_if_fail (widget != NULL);
 233   g_return_if_fail (GTK_IS_MYFIXED (widget));
 234
 235   myfixed = GTK_MYFIXED (widget);
 236
 237   GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 238
 239   attributes.window_type = GDK_WINDOW_CHILD;
 240   attributes.x = widget->allocation.x;
 241   attributes.y = widget->allocation.y;
 242   attributes.width = 32000;
 243   attributes.height = 32000;
 244   attributes.wclass = GDK_INPUT_OUTPUT;
 245   attributes.visual = gtk_widget_get_visual (widget);
 246   attributes.colormap = gtk_widget_get_colormap (widget);
 247   attributes.event_mask = gtk_widget_get_events (widget);
 248   attributes.event_mask |=
 249   GDK_EXPOSURE_MASK     |
 250   GDK_POINTER_MOTION_MASK       |
 251   GDK_BUTTON_MOTION_MASK        |
 252   GDK_BUTTON1_MOTION_MASK       |
 253   GDK_BUTTON2_MOTION_MASK       |
 254   GDK_BUTTON3_MOTION_MASK       |
 255   GDK_BUTTON_PRESS_MASK         |
 256   GDK_BUTTON_RELEASE_MASK       |
 257   GDK_KEY_PRESS_MASK            |
 258   GDK_KEY_RELEASE_MASK          |
 259   GDK_ENTER_NOTIFY_MASK         |
 260   GDK_LEAVE_NOTIFY_MASK         |
 261   GDK_FOCUS_CHANGE_MASK;
 262
 263   attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 264
 265   widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes,
 266                                    attributes_mask);
 267   gdk_window_set_user_data (widget->window, widget);
 268
 269   widget->style = gtk_style_attach (widget->style, widget->window);
 270   gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 271 }
 272
 273 static void
 274 gtk_myfixed_size_request (GtkWidget      *widget,
 275                         GtkRequisition *requisition)
 276 {
 277   GtkMyFixed *myfixed;
 278   GtkMyFixedChild *child;
 279   GList *children;
 280
 281   g_return_if_fail (widget != NULL);
 282   g_return_if_fail (GTK_IS_MYFIXED (widget));
 283   g_return_if_fail (requisition != NULL);
 284
 285   myfixed = GTK_MYFIXED (widget);
 286
 287   requisition->width = 0;
 288   requisition->height = 0;
 289
 290   children = myfixed->children;
 291   while (children)
 292     {
 293       child = children->data;
 294       children = children->next;
 295
 296       if (GTK_WIDGET_VISIBLE (child->widget))
 297         {
 298           gtk_widget_size_request (child->widget, &child->widget->requisition);
 299         }
 300     }
 301 }
 302
 303 static void
 304 gtk_myfixed_size_allocate (GtkWidget     *widget,
 305                          GtkAllocation *allocation)
 306 {
 307   GtkMyFixed *myfixed;
 308   GtkMyFixedChild *child;
 309   GtkAllocation child_allocation;
 310   GList *children;
 311   guint16 border_width;
 312
 313   g_return_if_fail (widget != NULL);
 314   g_return_if_fail (GTK_IS_MYFIXED(widget));
 315   g_return_if_fail (allocation != NULL);
 316
 317   myfixed = GTK_MYFIXED (widget);
 318
 319   widget->allocation = *allocation;
 320   if (GTK_WIDGET_REALIZED (widget))
 321     gdk_window_move_resize (widget->window, allocation->x, allocation->y, 32000, 32000 );
 322
 323   border_width = GTK_CONTAINER (myfixed)->border_width;
 324
 325   children = myfixed->children;
 326   while (children)
 327     {
 328       child = children->data;
 329       children = children->next;
 330
 331       if (GTK_WIDGET_VISIBLE (child->widget))
 332         {
 333           child_allocation.x = child->x + border_width;
 334           child_allocation.y = child->y + border_width;
 335           child_allocation.width = child->widget->requisition.width;
 336           child_allocation.height = child->widget->requisition.height;
 337           gtk_widget_size_allocate (child->widget, &child_allocation);
 338         }
 339     }
 340 }
 341
 342 static void
 343 gtk_myfixed_paint (GtkWidget    *widget,
 344                  GdkRectangle *area)
 345 {
 346   g_return_if_fail (widget != NULL);
 347   g_return_if_fail (GTK_IS_MYFIXED (widget));
 348   g_return_if_fail (area != NULL);
 349
 350   if (GTK_WIDGET_DRAWABLE (widget))
 351       gdk_window_clear_area (widget->window,
 352                              area->x, area->y,
 353                              area->width, area->height);
 354 }
 355
 356 static void
 357 gtk_myfixed_draw (GtkWidget    *widget,
 358                 GdkRectangle *area)
 359 {
 360   GtkMyFixed *myfixed;
 361   GtkMyFixedChild *child;
 362   GdkRectangle child_area;
 363   GList *children;
 364
 365   g_return_if_fail (widget != NULL);
 366   g_return_if_fail (GTK_IS_MYFIXED (widget));
 367
 368   if (GTK_WIDGET_DRAWABLE (widget))
 369     {
 370       myfixed = GTK_MYFIXED (widget);
 371       gtk_myfixed_paint (widget, area);
 372
 373       children = myfixed->children;
 374       while (children)
 375         {
 376           child = children->data;
 377           children = children->next;
 378
 379           if (gtk_widget_intersect (child->widget, area, &child_area))
 380             gtk_widget_draw (child->widget, &child_area);
 381         }
 382     }
 383 }
 384
 385 static gint
 386 gtk_myfixed_expose (GtkWidget      *widget,
 387                   GdkEventExpose *event)
 388 {
 389   GtkMyFixed *myfixed;
 390   GtkMyFixedChild *child;
 391   GdkEventExpose child_event;
 392   GList *children;
 393
 394   g_return_val_if_fail (widget != NULL, FALSE);
 395   g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE);
 396   g_return_val_if_fail (event != NULL, FALSE);
 397
 398   if (GTK_WIDGET_DRAWABLE (widget))
 399     {
 400       myfixed = GTK_MYFIXED (widget);
 401
 402       child_event = *event;
 403
 404       children = myfixed->children;
 405       while (children)
 406         {
 407           child = children->data;
 408           children = children->next;
 409
 410           if (GTK_WIDGET_NO_WINDOW (child->widget) &&
 411               gtk_widget_intersect (child->widget, &event->area,
 412                                     &child_event.area))
 413             gtk_widget_event (child->widget, (GdkEvent*) &child_event);
 414         }
 415     }
 416
 417   return FALSE;
 418 }
 419
 420 static void
 421 gtk_myfixed_add (GtkContainer *container,
 422                GtkWidget    *widget)
 423 {
 424   g_return_if_fail (container != NULL);
 425   g_return_if_fail (GTK_IS_MYFIXED (container));
 426   g_return_if_fail (widget != NULL);
 427
 428   gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0);
 429 }
 430
 431 static void
 432 gtk_myfixed_remove (GtkContainer *container,
 433                   GtkWidget    *widget)
 434 {
 435   GtkMyFixed *myfixed;
 436   GtkMyFixedChild *child;
 437   GList *children;
 438
 439   g_return_if_fail (container != NULL);
 440   g_return_if_fail (GTK_IS_MYFIXED (container));
 441   g_return_if_fail (widget != NULL);
 442
 443   myfixed = GTK_MYFIXED (container);
 444
 445   children = myfixed->children;
 446   while (children)
 447     {
 448       child = children->data;
 449
 450       if (child->widget == widget)
 451         {
 452           gtk_widget_unparent (widget);
 453
 454           myfixed->children = g_list_remove_link (myfixed->children, children);
 455           g_list_free (children);
 456           g_free (child);
 457
 458           if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
 459             gtk_widget_queue_resize (GTK_WIDGET (container));
 460
 461           break;
 462         }
 463
 464       children = children->next;
 465     }
 466 }
 467
 468 static void
 469 gtk_myfixed_foreach (GtkContainer *container,
 470 #if (GTK_MINOR_VERSION == 1)
 471                    gboolean      include_internals,
 472 #endif
 473                    GtkCallback   callback,
 474                    gpointer      callback_data)
 475 {
 476   GtkMyFixed *myfixed;
 477   GtkMyFixedChild *child;
 478   GList *children;
 479
 480   g_return_if_fail (container != NULL);
 481   g_return_if_fail (GTK_IS_MYFIXED (container));
 482   g_return_if_fail (callback != NULL);
 483
 484   myfixed = GTK_MYFIXED (container);
 485
 486   children = myfixed->children;
 487   while (children)
 488     {
 489       child = children->data;
 490       children = children->next;
 491
 492       (* callback) (child->widget, callback_data);
 493     }
 494 }
 495
 496
 497 #ifdef __cplusplus
 498 }
 499 #endif /* __cplusplus */
 500