src/gtk1/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/gtksignal.h"
  12 #include "gtk/gtknotebook.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 #if (GTK_MINOR_VERSION == 0)
  22 static void gtk_myfixed_unmap         (GtkWidget        *widget);
  23 #endif
  24 static void gtk_myfixed_realize       (GtkWidget        *widget);
  25 static void gtk_myfixed_size_request  (GtkWidget        *widget,
  26                                      GtkRequisition   *requisition);
  27 static void gtk_myfixed_size_allocate (GtkWidget        *widget,
  28                                      GtkAllocation    *allocation);
  29 static void gtk_myfixed_paint         (GtkWidget        *widget,
  30                                      GdkRectangle     *area);
  31 static void gtk_myfixed_draw          (GtkWidget        *widget,
  32                                      GdkRectangle     *area);
  33 static gint gtk_myfixed_expose        (GtkWidget        *widget,
  34                                      GdkEventExpose   *event);
  35 static void gtk_myfixed_add           (GtkContainer     *container,
  36                                      GtkWidget        *widget);
  37 static void gtk_myfixed_remove        (GtkContainer     *container,
  38                                      GtkWidget        *widget);
  39 static void gtk_myfixed_foreach       (GtkContainer     *container,
  40 #if (GTK_MINOR_VERSION > 0)
  41                                      gboolean         include_internals,
  42 #endif
  43                                      GtkCallback      callback,
  44                                      gpointer         callback_data);
  45 #if (GTK_MINOR_VERSION > 0)
  46 static GtkType gtk_myfixed_child_type (GtkContainer     *container);
  47 #endif
  48
  49 #if (GTK_MINOR_VERSION > 0)
  50 static void  gtk_myfixed_scroll_set_adjustments    (GtkMyFixed   *myfixed,
  51                                                GtkAdjustment *hadj,
  52                                                GtkAdjustment *vadj);
  53 #endif
  54
  55
  56
  57 static GtkContainerClass *parent_class = NULL;
  58
  59 guint
  60 gtk_myfixed_get_type ()
  61 {
  62   static guint myfixed_type = 0;
  63
  64   if (!myfixed_type)
  65     {
  66       GtkTypeInfo myfixed_info =
  67       {
  68         "GtkMyFixed",
  69         sizeof (GtkMyFixed),
  70         sizeof (GtkMyFixedClass),
  71         (GtkClassInitFunc) gtk_myfixed_class_init,
  72         (GtkObjectInitFunc) gtk_myfixed_init,
  73 #if (GTK_MINOR_VERSION > 0)
  74         /* reserved_1 */ NULL,
  75         /* reserved_2 */ NULL,
  76         (GtkClassInitFunc) NULL,
  77 #else
  78         (GtkArgSetFunc) NULL,
  79         (GtkArgGetFunc) NULL,
  80 #endif
  81       };
  82
  83       myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info);
  84     }
  85
  86   return myfixed_type;
  87 }
  88
  89 static void
  90 gtk_myfixed_class_init (GtkMyFixedClass *klass)
  91 {
  92   GtkObjectClass *object_class;
  93   GtkWidgetClass *widget_class;
  94   GtkContainerClass *container_class;
  95
  96   object_class = (GtkObjectClass*) klass;
  97   widget_class = (GtkWidgetClass*) klass;
  98   container_class = (GtkContainerClass*) klass;
  99
 100 #if (GTK_MINOR_VERSION > 0)
 101   parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
 102 #else
 103   parent_class = gtk_type_class (gtk_container_get_type ());
 104 #endif
 105
 106   widget_class->map = gtk_myfixed_map;
 107 #if (GTK_MINOR_VERSION == 0)
 108   widget_class->unmap = gtk_myfixed_unmap;
 109 #endif
 110   widget_class->realize = gtk_myfixed_realize;
 111   widget_class->size_request = gtk_myfixed_size_request;
 112   widget_class->size_allocate = gtk_myfixed_size_allocate;
 113   widget_class->draw = gtk_myfixed_draw;
 114   widget_class->expose_event = gtk_myfixed_expose;
 115
 116   container_class->add = gtk_myfixed_add;
 117   container_class->remove = gtk_myfixed_remove;
 118 #if (GTK_MINOR_VERSION > 0)
 119   container_class->forall = gtk_myfixed_foreach;
 120 #else
 121   container_class->foreach = gtk_myfixed_foreach;
 122 #endif
 123
 124 #if (GTK_MINOR_VERSION > 0)
 125   container_class->child_type = gtk_myfixed_child_type;
 126 #endif
 127
 128 #if (GTK_MINOR_VERSION > 0)
 129   klass->set_scroll_adjustments = gtk_myfixed_scroll_set_adjustments;
 130
 131   widget_class->set_scroll_adjustments_signal =
 132     gtk_signal_new ("set_scroll_adjustments",
 133                     GTK_RUN_LAST,
 134                     object_class->type,
 135                     GTK_SIGNAL_OFFSET (GtkMyFixedClass, set_scroll_adjustments),
 136                     gtk_marshal_NONE__POINTER_POINTER,
 137                     GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
 138 #endif
 139 }
 140
 141 #if (GTK_MINOR_VERSION > 0)
 142 static GtkType
 143 gtk_myfixed_child_type (GtkContainer     *container)
 144 {
 145   return GTK_TYPE_WIDGET;
 146 }
 147 #endif
 148
 149 static void
 150 gtk_myfixed_init (GtkMyFixed *myfixed)
 151 {
 152   GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW);
 153
 154 #if (GTK_MINOR_VERSION == 0)
 155   GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC);
 156 #endif
 157
 158 #if (GTK_MINOR_VERSION > 0)
 159   myfixed->shadow_type = GTK_SHADOW_NONE;
 160 #endif
 161
 162   myfixed->children = NULL;
 163 }
 164
 165 GtkWidget*
 166 gtk_myfixed_new ()
 167 {
 168   GtkMyFixed *myfixed;
 169
 170   myfixed = gtk_type_new (gtk_myfixed_get_type ());
 171
 172   return GTK_WIDGET (myfixed);
 173 }
 174
 175 #if (GTK_MINOR_VERSION > 0)
 176 void  gtk_myfixed_scroll_set_adjustments (GtkMyFixed     *myfixed,
 177                                                GtkAdjustment *hadj,
 178                                                GtkAdjustment *vadj)
 179 {
 180    /* OK, this is embarassing, but this function has to be here */
 181 }
 182
 183 void
 184 gtk_myfixed_set_shadow_type (GtkMyFixed   *myfixed,
 185                               GtkShadowType  type)
 186 {
 187   g_return_if_fail (myfixed != NULL);
 188   g_return_if_fail (GTK_IS_MYFIXED (myfixed));
 189
 190   if ((GtkShadowType) myfixed->shadow_type != type)
 191     {
 192       myfixed->shadow_type = type;
 193
 194       if (GTK_WIDGET_VISIBLE (myfixed))
 195         {
 196           gtk_widget_size_allocate (GTK_WIDGET (myfixed), &(GTK_WIDGET (myfixed)->allocation));
 197           gtk_widget_queue_draw (GTK_WIDGET (myfixed));
 198         }
 199     }
 200 }
 201 #endif
 202
 203 void
 204 gtk_myfixed_put (GtkMyFixed   *myfixed,
 205                GtkWidget      *widget,
 206                gint16         x,
 207                gint16         y)
 208 {
 209   GtkMyFixedChild *child_info;
 210
 211   g_return_if_fail (myfixed != NULL);
 212   g_return_if_fail (GTK_IS_MYFIXED (myfixed));
 213   g_return_if_fail (widget != NULL);
 214
 215   child_info = g_new (GtkMyFixedChild, 1);
 216   child_info->widget = widget;
 217   child_info->x = x;
 218   child_info->y = y;
 219
 220   gtk_widget_set_parent (widget, GTK_WIDGET (myfixed));
 221
 222   myfixed->children = g_list_append (myfixed->children, child_info);
 223
 224   if (GTK_WIDGET_REALIZED (myfixed) && !GTK_WIDGET_REALIZED (widget))
 225     gtk_widget_realize (widget);
 226
 227   if (GTK_WIDGET_MAPPED (myfixed) && !GTK_WIDGET_MAPPED (widget))
 228     gtk_widget_map (widget);
 229
 230   if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
 231     gtk_widget_queue_resize (GTK_WIDGET (myfixed));
 232 }
 233
 234 void
 235 gtk_myfixed_move (GtkMyFixed       *myfixed,
 236                 GtkWidget      *widget,
 237                 gint16         x,
 238                 gint16         y)
 239 {
 240   GtkMyFixedChild *child;
 241   GList *children;
 242
 243   g_return_if_fail (myfixed != NULL);
 244   g_return_if_fail (GTK_IS_MYFIXED (myfixed));
 245   g_return_if_fail (widget != NULL);
 246
 247   children = myfixed->children;
 248   while (children)
 249     {
 250       child = children->data;
 251       children = children->next;
 252
 253       if (child->widget == widget)
 254         {
 255           if ((child->x == x) && (child->y == y)) return;
 256
 257           child->x = x;
 258           child->y = y;
 259
 260           if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
 261             gtk_widget_queue_resize (GTK_WIDGET (myfixed));
 262
 263           break;
 264         }
 265     }
 266 }
 267
 268 static void
 269 gtk_myfixed_map (GtkWidget *widget)
 270 {
 271   GtkMyFixed *myfixed;
 272   GtkMyFixedChild *child;
 273   GList *children;
 274
 275   g_return_if_fail (widget != NULL);
 276   g_return_if_fail (GTK_IS_MYFIXED (widget));
 277
 278   GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
 279   myfixed = GTK_MYFIXED (widget);
 280
 281   gdk_window_show (widget->window);
 282
 283   children = myfixed->children;
 284   while (children)
 285     {
 286       child = children->data;
 287       children = children->next;
 288
 289       if (GTK_WIDGET_VISIBLE (child->widget) &&
 290           !GTK_WIDGET_MAPPED (child->widget))
 291         gtk_widget_map (child->widget);
 292     }
 293 }
 294
 295 #if (GTK_MINOR_VERSION == 0)
 296 static void
 297 gtk_myfixed_unmap (GtkWidget *widget)
 298 {
 299   g_return_if_fail (widget != NULL);
 300   g_return_if_fail (GTK_IS_MYFIXED (widget));
 301
 302   GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
 303 }
 304 #endif
 305
 306 static void
 307 gtk_myfixed_realize (GtkWidget *widget)
 308 {
 309   GtkMyFixed *myfixed;
 310   GdkWindowAttr attributes;
 311   gint attributes_mask;
 312
 313   g_return_if_fail (widget != NULL);
 314   g_return_if_fail (GTK_IS_MYFIXED (widget));
 315
 316   myfixed = GTK_MYFIXED (widget);
 317
 318   GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 319
 320   attributes.window_type = GDK_WINDOW_CHILD;
 321
 322 #if (GTK_MINOR_VERSION > 0)
 323   attributes.x = widget->allocation.x;
 324   attributes.y = widget->allocation.y;
 325   attributes.width = widget->allocation.width;
 326   attributes.height = widget->allocation.height;
 327
 328   if (myfixed->shadow_type != GTK_SHADOW_NONE)
 329   {
 330       attributes.x += 2;
 331       attributes.y += 2;
 332       attributes.width -= 4;
 333       attributes.height -= 4;
 334   }
 335
 336   if (attributes.width < 2) attributes.width = 2;
 337   if (attributes.height < 2) attributes.height = 2;
 338 #else
 339   attributes.x = widget->allocation.x;
 340   attributes.y = widget->allocation.y;
 341   attributes.width = 32000;
 342   attributes.height = 32000;
 343 #endif
 344   attributes.wclass = GDK_INPUT_OUTPUT;
 345   attributes.visual = gtk_widget_get_visual (widget);
 346   attributes.colormap = gtk_widget_get_colormap (widget);
 347   attributes.event_mask = gtk_widget_get_events (widget);
 348   attributes.event_mask |=
 349   GDK_EXPOSURE_MASK     |
 350   GDK_POINTER_MOTION_MASK       |
 351   GDK_POINTER_MOTION_HINT_MASK  |
 352   GDK_BUTTON_MOTION_MASK        |
 353   GDK_BUTTON1_MOTION_MASK       |
 354   GDK_BUTTON2_MOTION_MASK       |
 355   GDK_BUTTON3_MOTION_MASK       |
 356   GDK_BUTTON_PRESS_MASK         |
 357   GDK_BUTTON_RELEASE_MASK       |
 358   GDK_KEY_PRESS_MASK            |
 359   GDK_KEY_RELEASE_MASK          |
 360   GDK_ENTER_NOTIFY_MASK         |
 361   GDK_LEAVE_NOTIFY_MASK         |
 362   GDK_FOCUS_CHANGE_MASK;
 363
 364   attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 365
 366   widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes,
 367                                    attributes_mask);
 368   gdk_window_set_user_data (widget->window, widget);
 369
 370   widget->style = gtk_style_attach (widget->style, widget->window);
 371   gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 372 }
 373
 374 static void
 375 gtk_myfixed_size_request (GtkWidget      *widget,
 376                         GtkRequisition *requisition)
 377 {
 378   GtkMyFixed *myfixed;
 379   GtkMyFixedChild *child;
 380   GList *children;
 381
 382   g_return_if_fail (widget != NULL);
 383   g_return_if_fail (GTK_IS_MYFIXED (widget));
 384   g_return_if_fail (requisition != NULL);
 385
 386   myfixed = GTK_MYFIXED (widget);
 387
 388 /*
 389   requisition->width = 0;
 390   requisition->height = 0;
 391 */
 392   requisition->width = widget->requisition.width;
 393   requisition->height = widget->requisition.height;
 394
 395   children = myfixed->children;
 396   while (children)
 397     {
 398       child = children->data;
 399       children = children->next;
 400
 401       if (GTK_WIDGET_VISIBLE (child->widget))
 402         {
 403           gtk_widget_size_request (child->widget, &child->widget->requisition);
 404         }
 405     }
 406 }
 407
 408 static void
 409 gtk_myfixed_size_allocate (GtkWidget     *widget,
 410                          GtkAllocation *allocation)
 411 {
 412   GtkMyFixed *myfixed;
 413   gint border;
 414   GtkMyFixedChild *child;
 415   GtkAllocation child_allocation;
 416   GList *children;
 417
 418   g_return_if_fail (widget != NULL);
 419   g_return_if_fail (GTK_IS_MYFIXED(widget));
 420   g_return_if_fail (allocation != NULL);
 421
 422   myfixed = GTK_MYFIXED (widget);
 423
 424     widget->allocation = *allocation;
 425 #if (GTK_MINOR_VERSION > 0)
 426   if (myfixed->shadow_type == GTK_SHADOW_NONE)
 427     border = 0;
 428   else
 429     border = 2;
 430 #else
 431   border = 0;
 432 #endif
 433
 434   if (GTK_WIDGET_REALIZED (widget))
 435   {
 436     gdk_window_move_resize( widget->window,
 437                             allocation->x+border, allocation->y+border,
 438 #if (GTK_MINOR_VERSION > 0)
 439                             allocation->width-border*2, allocation->height-border*2
 440 #else
 441                             32000, 32000
 442 #endif
 443                            );
 444   }
 445
 446   children = myfixed->children;
 447   while (children)
 448     {
 449       child = children->data;
 450       children = children->next;
 451
 452       /* please look at the text in wxWindow::DoSetSize() on why the
 453          test GTK_WIDGET_REALIZED() has to be here */
 454       if (GTK_WIDGET_VISIBLE (child->widget) &&
 455          !(!GTK_WIDGET_REALIZED(child->widget) &&
 456             GTK_IS_NOTEBOOK(child->widget) ))
 457         {
 458           child_allocation.x = child->x;
 459           child_allocation.y = child->y;
 460           child_allocation.width = child->widget->requisition.width;
 461           child_allocation.height = child->widget->requisition.height;
 462           gtk_widget_size_allocate (child->widget, &child_allocation);
 463         }
 464     }
 465 }
 466
 467 static void
 468 gtk_myfixed_paint (GtkWidget    *widget,
 469                  GdkRectangle *area)
 470 {
 471   g_return_if_fail (widget != NULL);
 472   g_return_if_fail (GTK_IS_MYFIXED (widget));
 473   g_return_if_fail (area != NULL);
 474
 475   if (GTK_WIDGET_DRAWABLE (widget))
 476       gdk_window_clear_area (widget->window,
 477                              area->x, area->y,
 478                              area->width, area->height);
 479 }
 480
 481 static void
 482 gtk_myfixed_draw (GtkWidget    *widget,
 483                 GdkRectangle *area)
 484 {
 485   GtkMyFixed *myfixed;
 486   GtkMyFixedChild *child;
 487   GdkRectangle child_area;
 488   GList *children;
 489
 490   g_return_if_fail (widget != NULL);
 491   g_return_if_fail (GTK_IS_MYFIXED (widget));
 492
 493   if (GTK_WIDGET_DRAWABLE (widget))
 494     {
 495       myfixed = GTK_MYFIXED (widget);
 496       gtk_myfixed_paint (widget, area);
 497
 498       children = myfixed->children;
 499       while (children)
 500         {
 501           child = children->data;
 502           children = children->next;
 503
 504           if (gtk_widget_intersect (child->widget, area, &child_area))
 505             gtk_widget_draw (child->widget, &child_area);
 506         }
 507     }
 508 }
 509
 510 static gint
 511 gtk_myfixed_expose (GtkWidget      *widget,
 512                   GdkEventExpose *event)
 513 {
 514   GtkMyFixed *myfixed;
 515   GtkMyFixedChild *child;
 516   GdkEventExpose child_event;
 517   GList *children;
 518
 519   g_return_val_if_fail (widget != NULL, FALSE);
 520   g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE);
 521   g_return_val_if_fail (event != NULL, FALSE);
 522
 523   if (GTK_WIDGET_DRAWABLE (widget))
 524     {
 525       myfixed = GTK_MYFIXED (widget);
 526
 527       child_event = *event;
 528
 529       children = myfixed->children;
 530       while (children)
 531         {
 532           child = children->data;
 533           children = children->next;
 534
 535           if (GTK_WIDGET_NO_WINDOW (child->widget) &&
 536               gtk_widget_intersect (child->widget, &event->area,
 537                                     &child_event.area))
 538             gtk_widget_event (child->widget, (GdkEvent*) &child_event);
 539         }
 540     }
 541
 542   return FALSE;
 543 }
 544
 545 static void
 546 gtk_myfixed_add (GtkContainer *container,
 547                GtkWidget    *widget)
 548 {
 549   g_return_if_fail (container != NULL);
 550   g_return_if_fail (GTK_IS_MYFIXED (container));
 551   g_return_if_fail (widget != NULL);
 552
 553   gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0);
 554 }
 555
 556 static void
 557 gtk_myfixed_remove (GtkContainer *container,
 558                   GtkWidget    *widget)
 559 {
 560   GtkMyFixed *myfixed;
 561   GtkMyFixedChild *child;
 562   GList *children;
 563
 564   g_return_if_fail (container != NULL);
 565   g_return_if_fail (GTK_IS_MYFIXED (container));
 566   g_return_if_fail (widget != NULL);
 567
 568   myfixed = GTK_MYFIXED (container);
 569
 570   children = myfixed->children;
 571   while (children)
 572     {
 573       child = children->data;
 574
 575       if (child->widget == widget)
 576         {
 577           gtk_widget_unparent (widget);
 578
 579           myfixed->children = g_list_remove_link (myfixed->children, children);
 580           g_list_free (children);
 581           g_free (child);
 582
 583           if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
 584             gtk_widget_queue_resize (GTK_WIDGET (container));
 585
 586           break;
 587         }
 588
 589       children = children->next;
 590     }
 591 }
 592
 593 static void
 594 gtk_myfixed_foreach (GtkContainer *container,
 595 #if (GTK_MINOR_VERSION > 0)
 596                    gboolean      include_internals,
 597 #endif
 598                    GtkCallback   callback,
 599                    gpointer      callback_data)
 600 {
 601   GtkMyFixed *myfixed;
 602   GtkMyFixedChild *child;
 603   GList *children;
 604
 605   g_return_if_fail (container != NULL);
 606   g_return_if_fail (GTK_IS_MYFIXED (container));
 607   g_return_if_fail (callback != NULL);
 608
 609   myfixed = GTK_MYFIXED (container);
 610
 611   children = myfixed->children;
 612   while (children)
 613     {
 614       child = children->data;
 615       children = children->next;
 616
 617       (* callback) (child->widget, callback_data);
 618     }
 619 }
 620
 621
 622 #ifdef __cplusplus
 623 }
 624 #endif /* __cplusplus */
 625