src/gtk/win_gtk.c

   1 /* ///////////////////////////////////////////////////////////////////////////
   2 // Name:        wx_gtk.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////// */
  10
  11 #include "wx/gtk/win_gtk.h"
  12 #include <gtk/gtkfeatures.h>
  13
  14 #ifdef __cplusplus
  15 extern "C" {
  16 #endif /* __cplusplus */
  17
  18 static void gtk_myfixed_class_init    (GtkMyFixedClass    *klass);
  19 static void gtk_myfixed_init          (GtkMyFixed         *myfixed);
  20 static void gtk_myfixed_map           (GtkWidget        *widget);
  21 static void gtk_myfixed_unmap         (GtkWidget        *widget);
  22 static void gtk_myfixed_realize       (GtkWidget        *widget);
  23 static void gtk_myfixed_size_request  (GtkWidget        *widget,
  24                                      GtkRequisition   *requisition);
  25 static void gtk_myfixed_size_allocate (GtkWidget        *widget,
  26                                      GtkAllocation    *allocation);
  27 static void gtk_myfixed_paint         (GtkWidget        *widget,
  28                                      GdkRectangle     *area);
  29 static void gtk_myfixed_draw          (GtkWidget        *widget,
  30                                      GdkRectangle     *area);
  31 static gint gtk_myfixed_expose        (GtkWidget        *widget,
  32                                      GdkEventExpose   *event);
  33 static void gtk_myfixed_add           (GtkContainer     *container,
  34                                      GtkWidget        *widget);
  35 static void gtk_myfixed_remove        (GtkContainer     *container,
  36                                      GtkWidget        *widget);
  37 static void gtk_myfixed_foreach       (GtkContainer     *container,
  38 #if (GTK_MINOR_VERSION == 1)
  39                                      gboolean         include_internals,
  40 #endif
  41                                      GtkCallback      callback,
  42                                      gpointer         callback_data);
  43
  44
  45 static GtkContainerClass *parent_class = NULL;
  46
  47
  48 guint
  49 gtk_myfixed_get_type ()
  50 {
  51   static guint myfixed_type = 0;
  52
  53   if (!myfixed_type)
  54     {
  55       GtkTypeInfo myfixed_info =
  56       {
  57         "GtkMyFixed",
  58         sizeof (GtkMyFixed),
  59         sizeof (GtkMyFixedClass),
  60         (GtkClassInitFunc) gtk_myfixed_class_init,
  61         (GtkObjectInitFunc) gtk_myfixed_init,
  62         (GtkArgSetFunc) NULL,
  63         (GtkArgGetFunc) NULL,
  64       };
  65
  66       myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info);
  67     }
  68
  69   return myfixed_type;
  70 }
  71
  72 static void
  73 gtk_myfixed_class_init (GtkMyFixedClass *klass)
  74 {
  75   GtkObjectClass *object_class;
  76   GtkWidgetClass *widget_class;
  77   GtkContainerClass *container_class;
  78
  79   object_class = (GtkObjectClass*) klass;
  80   widget_class = (GtkWidgetClass*) klass;
  81   container_class = (GtkContainerClass*) klass;
  82
  83   parent_class = gtk_type_class (gtk_container_get_type ());
  84
  85   widget_class->map = gtk_myfixed_map;
  86   widget_class->unmap = gtk_myfixed_unmap;
  87   widget_class->realize = gtk_myfixed_realize;
  88   widget_class->size_request = gtk_myfixed_size_request;
  89   widget_class->size_allocate = gtk_myfixed_size_allocate;
  90   widget_class->draw = gtk_myfixed_draw;
  91   widget_class->expose_event = gtk_myfixed_expose;
  92
  93   container_class->add = gtk_myfixed_add;
  94   container_class->remove = gtk_myfixed_remove;
  95 #if (GTK_MINOR_VERSION == 1)
  96   container_class->forall = gtk_myfixed_foreach;
  97 #else
  98   container_class->foreach = gtk_myfixed_foreach;
  99 #endif
 100 }
 101
 102 static void
 103 gtk_myfixed_init (GtkMyFixed *myfixed)
 104 {
 105   GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW);
 106   GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC);
 107
 108   myfixed->children = NULL;
 109 }
 110
 111 GtkWidget*
 112 gtk_myfixed_new ()
 113 {
 114   GtkMyFixed *myfixed;
 115
 116   myfixed = gtk_type_new (gtk_myfixed_get_type ());
 117
 118   return GTK_WIDGET (myfixed);
 119 }
 120
 121 void
 122 gtk_myfixed_put (GtkMyFixed       *myfixed,
 123                GtkWidget      *widget,
 124                gint16         x,
 125                gint16         y)
 126 {
 127   GtkMyFixedChild *child_info;
 128
 129   g_return_if_fail (myfixed != NULL);
 130   g_return_if_fail (GTK_IS_MYFIXED (myfixed));
 131   g_return_if_fail (widget != NULL);
 132
 133   child_info = g_new (GtkMyFixedChild, 1);
 134   child_info->widget = widget;
 135   child_info->x = x;
 136   child_info->y = y;
 137
 138   gtk_widget_set_parent (widget, GTK_WIDGET (myfixed));
 139
 140   myfixed->children = g_list_append (myfixed->children, child_info);
 141
 142   if (GTK_WIDGET_REALIZED (myfixed) && !GTK_WIDGET_REALIZED (widget))
 143     gtk_widget_realize (widget);
 144
 145   if (GTK_WIDGET_MAPPED (myfixed) && !GTK_WIDGET_MAPPED (widget))
 146     gtk_widget_map (widget);
 147
 148   if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
 149     gtk_widget_queue_resize (GTK_WIDGET (myfixed));
 150 }
 151
 152 void
 153 gtk_myfixed_move (GtkMyFixed       *myfixed,
 154                 GtkWidget      *widget,
 155                 gint16         x,
 156                 gint16         y)
 157 {
 158   GtkMyFixedChild *child;
 159   GList *children;
 160
 161   g_return_if_fail (myfixed != NULL);
 162   g_return_if_fail (GTK_IS_MYFIXED (myfixed));
 163   g_return_if_fail (widget != NULL);
 164
 165   children = myfixed->children;
 166   while (children)
 167     {
 168       child = children->data;
 169       children = children->next;
 170
 171       if (child->widget == widget)
 172         {
 173           child->x = x;
 174           child->y = y;
 175
 176           if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
 177             gtk_widget_queue_resize (GTK_WIDGET (myfixed));
 178
 179           break;
 180         }
 181     }
 182 }
 183
 184 static void
 185 gtk_myfixed_map (GtkWidget *widget)
 186 {
 187   GtkMyFixed *myfixed;
 188   GtkMyFixedChild *child;
 189   GList *children;
 190
 191   g_return_if_fail (widget != NULL);
 192   g_return_if_fail (GTK_IS_MYFIXED (widget));
 193
 194   GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
 195   myfixed = GTK_MYFIXED (widget);
 196
 197   gdk_window_show (widget->window);
 198
 199   children = myfixed->children;
 200   while (children)
 201     {
 202       child = children->data;
 203       children = children->next;
 204
 205       if (GTK_WIDGET_VISIBLE (child->widget) &&
 206           !GTK_WIDGET_MAPPED (child->widget))
 207         gtk_widget_map (child->widget);
 208     }
 209 }
 210
 211 static void
 212 gtk_myfixed_unmap (GtkWidget *widget)
 213 {
 214   g_return_if_fail (widget != NULL);
 215   g_return_if_fail (GTK_IS_MYFIXED (widget));
 216
 217   GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
 218 }
 219
 220 static void
 221 gtk_myfixed_realize (GtkWidget *widget)
 222 {
 223   GtkMyFixed *myfixed;
 224   GdkWindowAttr attributes;
 225   gint attributes_mask;
 226
 227   g_return_if_fail (widget != NULL);
 228   g_return_if_fail (GTK_IS_MYFIXED (widget));
 229
 230   myfixed = GTK_MYFIXED (widget);
 231
 232   GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 233
 234   attributes.window_type = GDK_WINDOW_CHILD;
 235   attributes.x = widget->allocation.x;
 236   attributes.y = widget->allocation.y;
 237   attributes.width = 32000;
 238   attributes.height = 32000;
 239   attributes.wclass = GDK_INPUT_OUTPUT;
 240   attributes.visual = gtk_widget_get_visual (widget);
 241   attributes.colormap = gtk_widget_get_colormap (widget);
 242   attributes.event_mask = gtk_widget_get_events (widget);
 243   attributes.event_mask |=
 244   GDK_EXPOSURE_MASK     |
 245   GDK_POINTER_MOTION_MASK       |
 246   GDK_BUTTON_MOTION_MASK        |
 247   GDK_BUTTON1_MOTION_MASK       |
 248   GDK_BUTTON2_MOTION_MASK       |
 249   GDK_BUTTON3_MOTION_MASK       |
 250   GDK_BUTTON_PRESS_MASK         |
 251   GDK_BUTTON_RELEASE_MASK       |
 252   GDK_KEY_PRESS_MASK            |
 253   GDK_KEY_RELEASE_MASK          |
 254   GDK_ENTER_NOTIFY_MASK         |
 255   GDK_LEAVE_NOTIFY_MASK         |
 256   GDK_FOCUS_CHANGE_MASK;
 257
 258   attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 259
 260   widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes,
 261                                    attributes_mask);
 262   gdk_window_set_user_data (widget->window, widget);
 263
 264   widget->style = gtk_style_attach (widget->style, widget->window);
 265   gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 266 }
 267
 268 static void
 269 gtk_myfixed_size_request (GtkWidget      *widget,
 270                         GtkRequisition *requisition)
 271 {
 272   GtkMyFixed *myfixed;
 273   GtkMyFixedChild *child;
 274   GList *children;
 275
 276   g_return_if_fail (widget != NULL);
 277   g_return_if_fail (GTK_IS_MYFIXED (widget));
 278   g_return_if_fail (requisition != NULL);
 279
 280   myfixed = GTK_MYFIXED (widget);
 281
 282   requisition->width = 0;
 283   requisition->height = 0;
 284
 285   children = myfixed->children;
 286   while (children)
 287     {
 288       child = children->data;
 289       children = children->next;
 290
 291       if (GTK_WIDGET_VISIBLE (child->widget))
 292         {
 293           gtk_widget_size_request (child->widget, &child->widget->requisition);
 294         }
 295     }
 296 }
 297
 298 static void
 299 gtk_myfixed_size_allocate (GtkWidget     *widget,
 300                          GtkAllocation *allocation)
 301 {
 302   GtkMyFixed *myfixed;
 303   GtkMyFixedChild *child;
 304   GtkAllocation child_allocation;
 305   GList *children;
 306   guint16 border_width;
 307
 308   g_return_if_fail (widget != NULL);
 309   g_return_if_fail (GTK_IS_MYFIXED(widget));
 310   g_return_if_fail (allocation != NULL);
 311
 312   myfixed = GTK_MYFIXED (widget);
 313
 314   widget->allocation = *allocation;
 315   if (GTK_WIDGET_REALIZED (widget))
 316     gdk_window_move_resize (widget->window, allocation->x, allocation->y, 32000, 32000 );
 317
 318   border_width = GTK_CONTAINER (myfixed)->border_width;
 319
 320   children = myfixed->children;
 321   while (children)
 322     {
 323       child = children->data;
 324       children = children->next;
 325
 326       if (GTK_WIDGET_VISIBLE (child->widget))
 327         {
 328           child_allocation.x = child->x + border_width;
 329           child_allocation.y = child->y + border_width;
 330           child_allocation.width = child->widget->requisition.width;
 331           child_allocation.height = child->widget->requisition.height;
 332           gtk_widget_size_allocate (child->widget, &child_allocation);
 333         }
 334     }
 335 }
 336
 337 static void
 338 gtk_myfixed_paint (GtkWidget    *widget,
 339                  GdkRectangle *area)
 340 {
 341   g_return_if_fail (widget != NULL);
 342   g_return_if_fail (GTK_IS_MYFIXED (widget));
 343   g_return_if_fail (area != NULL);
 344
 345   if (GTK_WIDGET_DRAWABLE (widget))
 346       gdk_window_clear_area (widget->window,
 347                              area->x, area->y,
 348                              area->width, area->height);
 349 }
 350
 351 static void
 352 gtk_myfixed_draw (GtkWidget    *widget,
 353                 GdkRectangle *area)
 354 {
 355   GtkMyFixed *myfixed;
 356   GtkMyFixedChild *child;
 357   GdkRectangle child_area;
 358   GList *children;
 359
 360   g_return_if_fail (widget != NULL);
 361   g_return_if_fail (GTK_IS_MYFIXED (widget));
 362
 363   if (GTK_WIDGET_DRAWABLE (widget))
 364     {
 365       myfixed = GTK_MYFIXED (widget);
 366       gtk_myfixed_paint (widget, area);
 367
 368       children = myfixed->children;
 369       while (children)
 370         {
 371           child = children->data;
 372           children = children->next;
 373
 374           if (gtk_widget_intersect (child->widget, area, &child_area))
 375             gtk_widget_draw (child->widget, &child_area);
 376         }
 377     }
 378 }
 379
 380 static gint
 381 gtk_myfixed_expose (GtkWidget      *widget,
 382                   GdkEventExpose *event)
 383 {
 384   GtkMyFixed *myfixed;
 385   GtkMyFixedChild *child;
 386   GdkEventExpose child_event;
 387   GList *children;
 388
 389   g_return_val_if_fail (widget != NULL, FALSE);
 390   g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE);
 391   g_return_val_if_fail (event != NULL, FALSE);
 392
 393   if (GTK_WIDGET_DRAWABLE (widget))
 394     {
 395       myfixed = GTK_MYFIXED (widget);
 396
 397       child_event = *event;
 398
 399       children = myfixed->children;
 400       while (children)
 401         {
 402           child = children->data;
 403           children = children->next;
 404
 405           if (GTK_WIDGET_NO_WINDOW (child->widget) &&
 406               gtk_widget_intersect (child->widget, &event->area,
 407                                     &child_event.area))
 408             gtk_widget_event (child->widget, (GdkEvent*) &child_event);
 409         }
 410     }
 411
 412   return FALSE;
 413 }
 414
 415 static void
 416 gtk_myfixed_add (GtkContainer *container,
 417                GtkWidget    *widget)
 418 {
 419   g_return_if_fail (container != NULL);
 420   g_return_if_fail (GTK_IS_MYFIXED (container));
 421   g_return_if_fail (widget != NULL);
 422
 423   gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0);
 424 }
 425
 426 static void
 427 gtk_myfixed_remove (GtkContainer *container,
 428                   GtkWidget    *widget)
 429 {
 430   GtkMyFixed *myfixed;
 431   GtkMyFixedChild *child;
 432   GList *children;
 433
 434   g_return_if_fail (container != NULL);
 435   g_return_if_fail (GTK_IS_MYFIXED (container));
 436   g_return_if_fail (widget != NULL);
 437
 438   myfixed = GTK_MYFIXED (container);
 439
 440   children = myfixed->children;
 441   while (children)
 442     {
 443       child = children->data;
 444
 445       if (child->widget == widget)
 446         {
 447           gtk_widget_unparent (widget);
 448
 449           myfixed->children = g_list_remove_link (myfixed->children, children);
 450           g_list_free (children);
 451           g_free (child);
 452
 453           if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
 454             gtk_widget_queue_resize (GTK_WIDGET (container));
 455
 456           break;
 457         }
 458
 459       children = children->next;
 460     }
 461 }
 462
 463 static void
 464 gtk_myfixed_foreach (GtkContainer *container,
 465 #if (GTK_MINOR_VERSION == 1)
 466                    gboolean      include_internals,
 467 #endif
 468                    GtkCallback   callback,
 469                    gpointer      callback_data)
 470 {
 471   GtkMyFixed *myfixed;
 472   GtkMyFixedChild *child;
 473   GList *children;
 474
 475   g_return_if_fail (container != NULL);
 476   g_return_if_fail (GTK_IS_MYFIXED (container));
 477   g_return_if_fail (callback != NULL);
 478
 479   myfixed = GTK_MYFIXED (container);
 480
 481   children = myfixed->children;
 482   while (children)
 483     {
 484       child = children->data;
 485       children = children->next;
 486
 487       (* callback) (child->widget, callback_data);
 488     }
 489 }
 490
 491
 492 #ifdef __cplusplus
 493 }
 494 #endif /* __cplusplus */
 495