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); }
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); } }
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); }