Ejemplo n.º 1
0
 void removeControl(Control control) {
   super.removeControl(control);
   int count = getItemCount();
   for (int i = 0; i < count; i++) {
     TabItem item = items[i];
     if (item.control == control) item.setControl(null);
   }
 }
Ejemplo n.º 2
0
 void releaseChildren(boolean destroy) {
   if (items != null) {
     for (int i = 0; i < items.length; i++) {
       TabItem item = items[i];
       if (item != null && !item.isDisposed()) {
         item.release(false);
       }
     }
     items = null;
   }
   super.releaseChildren(destroy);
 }
Ejemplo n.º 3
0
 void reskinChildren(int flags) {
   if (items != null) {
     long /*int*/ list = OS.gtk_container_get_children(handle);
     if (list != 0) {
       int count = OS.g_list_length(list);
       OS.g_list_free(list);
       for (int i = 0; i < count; i++) {
         TabItem item = items[i];
         if (item != null) item.reskin(flags);
       }
     }
   }
   super.reskinChildren(flags);
 }
Ejemplo n.º 4
0
 /**
  * Returns the tab item at the given point in the receiver or null if no such item exists. The
  * point is in the coordinate system of the receiver.
  *
  * @param point the point used to locate the item
  * @return the tab item at the given point, or null if the point is not in a tab item
  * @exception IllegalArgumentException
  *     <ul>
  *       <li>ERROR_NULL_ARGUMENT - if the point is null
  *     </ul>
  *
  * @exception SWTException
  *     <ul>
  *       <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  *       <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
  *     </ul>
  *
  * @since 3.4
  */
 public TabItem getItem(Point point) {
   checkWidget();
   if (point == null) error(SWT.ERROR_NULL_ARGUMENT);
   long /*int*/ list = OS.gtk_container_get_children(handle);
   if (list == 0) return null;
   int itemCount = OS.g_list_length(list);
   OS.g_list_free(list);
   for (int i = 0; i < itemCount; i++) {
     TabItem item = items[i];
     Rectangle rect = item.getBounds();
     if (rect.contains(point)) return item;
   }
   return null;
 }
Ejemplo n.º 5
0
 long /*int*/ gtk_switch_page(long /*int*/ widget, long /*int*/ page, long /*int*/ page_num) {
   int index = OS.gtk_notebook_get_current_page(handle);
   if (index != -1) {
     Control control = items[index].getControl();
     if (control != null && !control.isDisposed()) {
       control.setVisible(false);
     }
   }
   TabItem item = items[(int) /*64*/ page_num];
   Control control = item.getControl();
   if (control != null && !control.isDisposed()) {
     control.setBounds(getClientArea());
     control.setVisible(true);
   }
   Event event = new Event();
   event.item = item;
   sendSelectionEvent(SWT.Selection, event, false);
   return 0;
 }
Ejemplo n.º 6
0
 void createItem(TabItem item, int index) {
   long /*int*/ list = OS.gtk_container_get_children(handle);
   int itemCount = 0;
   if (list != 0) {
     itemCount = OS.g_list_length(list);
     OS.g_list_free(list);
   }
   if (!(0 <= index && index <= itemCount)) error(SWT.ERROR_INVALID_RANGE);
   if (itemCount == items.length) {
     TabItem[] newItems = new TabItem[items.length + 4];
     System.arraycopy(items, 0, newItems, 0, items.length);
     items = newItems;
   }
   long /*int*/ boxHandle = gtk_box_new(OS.GTK_ORIENTATION_HORIZONTAL, false, 0);
   if (boxHandle == 0) error(SWT.ERROR_NO_HANDLES);
   long /*int*/ labelHandle = OS.gtk_label_new_with_mnemonic(null);
   if (labelHandle == 0) error(SWT.ERROR_NO_HANDLES);
   long /*int*/ imageHandle = OS.gtk_image_new();
   if (imageHandle == 0) error(SWT.ERROR_NO_HANDLES);
   OS.gtk_container_add(boxHandle, imageHandle);
   OS.gtk_container_add(boxHandle, labelHandle);
   long /*int*/ pageHandle = OS.g_object_new(display.gtk_fixed_get_type(), 0);
   if (pageHandle == 0) error(SWT.ERROR_NO_HANDLES);
   if (OS.GTK3) {
     OS.gtk_widget_override_background_color(pageHandle, OS.GTK_STATE_FLAG_NORMAL, new GdkRGBA());
     long /*int*/ region = OS.gdk_region_new();
     OS.gtk_widget_input_shape_combine_region(pageHandle, region);
     OS.gdk_region_destroy(region);
   }
   OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
   OS.gtk_notebook_insert_page(handle, pageHandle, boxHandle, index);
   OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
   OS.gtk_widget_show(boxHandle);
   OS.gtk_widget_show(labelHandle);
   OS.gtk_widget_show(pageHandle);
   item.state |= HANDLE;
   item.handle = boxHandle;
   item.labelHandle = labelHandle;
   item.imageHandle = imageHandle;
   item.pageHandle = pageHandle;
   System.arraycopy(items, index, items, index + 1, itemCount++ - index);
   items[index] = item;
   if ((state & FOREGROUND) != 0) {
     item.setForegroundColor(getForegroundColor());
   }
   if ((state & FONT) != 0) {
     item.setFontDescription(getFontDescription());
   }
   if (itemCount == 1) {
     OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
     OS.gtk_notebook_set_current_page(handle, 0);
     OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE);
     Event event = new Event();
     event.item = items[0];
     sendSelectionEvent(SWT.Selection, event, false);
     // the widget could be destroyed at this point
   }
 }