/**
* Sets the control that is used to fill the bounds of the item when the item is a <code>SEPARATOR
* </code>.
*
* @param control the new control
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the control has been disposed
* <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree
* </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>
*/
public void setControl(Control control) {
checkWidget();
if (control != null) {
if (control.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if (control.parent != parent) error(SWT.ERROR_INVALID_PARENT);
}
if ((style & SWT.SEPARATOR) == 0) return;
if (control == null) {
int property = OS.Control_BackgroundProperty();
OS.DependencyObject_ClearValue(handle, property);
OS.GCHandle_Free(property);
Control oldControl = this.control;
if (oldControl != null && !oldControl.isDisposed()) OS.Panel_SetZIndex(oldControl.handle, 0);
} else {
int brush = OS.Brushes_Transparent();
OS.Control_Background(handle, brush);
OS.GCHandle_Free(brush);
int pt = OS.gcnew_Point(0, 0);
if (pt == 0) error(SWT.ERROR_NO_HANDLES);
int loc = OS.UIElement_TranslatePoint(handle, pt, parent.parentingHandle);
OS.GCHandle_Free(pt);
OS.Canvas_SetLeft(control.handle, OS.Point_X(loc));
OS.Canvas_SetTop(control.handle, OS.Point_Y(loc));
OS.Panel_SetZIndex(control.handle, parent.childCount);
OS.GCHandle_Free(loc);
}
this.control = control;
}
void releaseHandle() {
super.releaseHandle();
if (textHandle != 0) OS.GCHandle_Free(textHandle);
textHandle = 0;
if (imageHandle != 0) OS.GCHandle_Free(imageHandle);
imageHandle = 0;
}
/**
* Returns a rectangle describing the receiver's size and location relative to its parent.
*
* @return the receiver's bounding rectangle
* @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>
*/
public Rectangle getBounds() {
checkWidget();
int parentHandle = parent.handle;
int topHandle = control == null ? topHandle() : control.topHandle();
int point = OS.gcnew_Point(0, 0);
if (point == 0) error(SWT.ERROR_NO_HANDLES);
int location = OS.UIElement_TranslatePoint(topHandle, point, parentHandle);
int x = (int) OS.Point_X(location);
int y = (int) OS.Point_Y(location);
OS.GCHandle_Free(point);
OS.GCHandle_Free(location);
int width = (int) OS.FrameworkElement_ActualWidth(topHandle);
int height = (int) OS.FrameworkElement_ActualHeight(topHandle);
return new Rectangle(x, y, width, height);
}
void hookEvents() {
super.hookEvents();
if ((style & (SWT.TOGGLE | SWT.RADIO | SWT.CHECK)) != 0) {
int handler = OS.gcnew_RoutedEventHandler(jniRef, "HandleClick");
if (handler == 0) error(SWT.ERROR_NO_HANDLES);
OS.ToggleButton_Checked(handle, handler);
OS.GCHandle_Free(handler);
handler = OS.gcnew_RoutedEventHandler(jniRef, "HandleClick");
if (handler == 0) error(SWT.ERROR_NO_HANDLES);
OS.ToggleButton_Unchecked(handle, handler);
OS.GCHandle_Free(handler);
} else {
int handler = OS.gcnew_RoutedEventHandler(jniRef, "HandleClick");
if (handler == 0) error(SWT.ERROR_NO_HANDLES);
OS.ButtonBase_Click(handle, handler);
OS.GCHandle_Free(handler);
}
}
void releaseWidget() {
super.releaseWidget();
text = null;
image = null;
}