long /*int*/ gtk_clicked(long /*int*/ widget) {
Event event = new Event();
if ((style & SWT.DROP_DOWN) != 0) {
long /*int*/ eventPtr = OS.gtk_get_current_event();
if (eventPtr != 0) {
GdkEvent gdkEvent = new GdkEvent();
OS.memmove(gdkEvent, eventPtr, GdkEvent.sizeof);
long /*int*/ topHandle = topHandle();
switch (gdkEvent.type) {
case OS.GDK_KEY_RELEASE: // Fall Through..
case OS.GDK_BUTTON_PRESS:
case OS.GDK_2BUTTON_PRESS:
case OS.GDK_BUTTON_RELEASE:
{
boolean isArrow = false;
if (OS.GTK_VERSION < OS.VERSION(2, 6, 0)) {
double[] x_win = new double[1];
double[] y_win = new double[1];
OS.gdk_event_get_coords(eventPtr, x_win, y_win);
int x = OS.GTK_WIDGET_X(arrowHandle) - OS.GTK_WIDGET_X(handle);
int width = OS.GTK_WIDGET_WIDTH(arrowHandle);
if ((((parent.style & SWT.RIGHT_TO_LEFT) == 0) && x <= (int) x_win[0])
|| (((parent.style & SWT.RIGHT_TO_LEFT) != 0) && (int) x_win[0] <= x + width)) {
isArrow = true;
}
} else if (widget == arrowHandle) {
isArrow = true;
topHandle = widget;
/*
* Feature in GTK. ArrowButton stays in toggled state if there is no popup menu.
* It is required to set back the state of arrow to normal state after it is clicked.
*/
OS.g_signal_handlers_block_matched(
widget, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED);
OS.gtk_toggle_button_set_active(widget, false);
OS.g_signal_handlers_unblock_matched(
widget, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED);
}
if (isArrow) {
event.detail = SWT.ARROW;
event.x = OS.GTK_WIDGET_X(topHandle);
if ((parent.style & SWT.MIRRORED) != 0)
event.x = parent.getClientWidth() - OS.GTK_WIDGET_WIDTH(topHandle) - event.x;
event.y = OS.GTK_WIDGET_Y(topHandle) + OS.GTK_WIDGET_HEIGHT(topHandle);
}
break;
}
}
OS.gdk_event_free(eventPtr);
}
}
if ((style & SWT.RADIO) != 0) {
if ((parent.getStyle() & SWT.NO_RADIO_GROUP) == 0) {
selectRadio();
}
}
sendSelectionEvent(SWT.Selection, event, false);
return 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();
parent.forceResize();
long /*int*/ topHandle = topHandle();
int x, y, width, height;
x = OS.GTK_WIDGET_X(topHandle);
y = OS.GTK_WIDGET_Y(topHandle);
width = OS.GTK_WIDGET_WIDTH(topHandle);
height = OS.GTK_WIDGET_HEIGHT(topHandle);
if ((parent.style & SWT.MIRRORED) != 0) x = parent.getClientWidth() - width - x;
if ((style & SWT.SEPARATOR) != 0 && control != null) height = Math.max(height, 23);
return new Rectangle(x, y, width, height);
}
void resizeControl(int yScroll) {
if (control != null && !control.isDisposed()) {
boolean visible = OS.gtk_expander_get_expanded(handle);
if (visible) {
int x = OS.GTK_WIDGET_X(clientHandle);
int y = OS.GTK_WIDGET_Y(clientHandle);
if (x != -1 && y != -1) {
int width = OS.GTK_WIDGET_WIDTH(clientHandle);
int height = OS.GTK_WIDGET_HEIGHT(clientHandle);
int[] property = new int[1];
OS.gtk_widget_style_get(handle, OS.focus_line_width, property, 0);
y += property[0] * 2;
height -= property[0] * 2;
/*
* Feature in GTK. When the ExpandBar is resize too small the control
* shows up on top of the vertical scrollbar. This happen because the
* GtkExpander does not set the size of child smaller than the request
* size of its parent and because the control is not parented in the
* hierarchy of the GtkScrolledWindow.
* The fix is calculate the width ourselves when the scrollbar is visible.
*/
ScrollBar vBar = parent.verticalBar;
if (vBar != null) {
if (OS.GTK_WIDGET_VISIBLE(vBar.handle)) {
width =
OS.GTK_WIDGET_WIDTH(parent.scrolledHandle)
- parent.vScrollBarWidth()
- 2 * parent.spacing;
}
}
control.setBounds(x, y - yScroll, width, Math.max(0, height), true, true);
}
}
control.setVisible(visible);
}
}
/**
* Returns the height of the receiver's header
*
* @return the height of the header
* @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 int getHeaderHeight() {
checkWidget();
return OS.GTK_WIDGET_HEIGHT(handle) - (expanded ? height : 0);
}