Point minimumSize(int wHint, int hHint, boolean flushCache) {
   Control[] children = _getChildren();
   int width = 0, height = 0;
   for (int i = 0; i < children.length; i++) {
     Control child = children[i];
     int index = 0;
     int count = 0;
     long /*int*/ list = OS.gtk_container_get_children(handle);
     if (list != 0) {
       count = OS.g_list_length(list);
       OS.g_list_free(list);
     }
     while (index < count) {
       if (items[index].control == child) break;
       index++;
     }
     if (index == count) {
       Rectangle rect = child.getBounds();
       width = Math.max(width, rect.x + rect.width);
       height = Math.max(height, rect.y + rect.height);
     } else {
       Point size = child.computeSize(wHint, hHint, flushCache);
       width = Math.max(width, size.x);
       height = Math.max(height, size.y);
     }
   }
   return new Point(width, height);
 }
Esempio n. 2
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 void resizeControl() {
   if (control != null && !control.isDisposed()) {
     /*
      * Set the size and location of the control
      * separately to minimize flashing in the
      * case where the control does not resize
      * to the size that was requested.  This
      * case can occur when the control is a
      * combo box.
      */
     Rectangle itemRect = getBounds();
     control.setSize(itemRect.width, itemRect.height);
     Rectangle rect = control.getBounds();
     rect.x = itemRect.x + (itemRect.width - rect.width) / 2;
     rect.y = itemRect.y + (itemRect.height - rect.height) / 2;
     control.setLocation(rect.x, rect.y);
   }
 }
Esempio n. 3
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 public static void drawMessageOverControl(
     Control control, PaintEvent e, String message, int offset) {
   Rectangle bounds = control.getBounds();
   Point ext = e.gc.textExtent(message);
   e.gc.drawText(message, (bounds.width - ext.x) / 2, bounds.height / 3 + offset);
 }