protected override void OnHandleCreated(EventArgs e)
{
IntPtr on_draw = Marshal.GetFunctionPointerForDelegate(on_draw_handler);
skia_window = libxobotos_window_new(Handle, on_draw, false);
XobotActivityManager.Invoke((window) => window.OnAttachedToWindow());
base.OnHandleCreated(e);
}
void OnDraw(System.IntPtr native_canvas)
{
using (Canvas canvas = new Canvas(native_canvas)) {
canvas.drawColor(Color.BLACK);
/*
* Do not call Control.Invalidate() while we're drawing;
* Winforms would simply discard it.
*/
do
{
invalidate_requested = false;
drawing = true;
XobotActivityManager.Invoke((window) => window.OnDraw(canvas));
drawing = false;
} while (invalidate_requested);
}
}
void SendMotionEvent(int action, MouseEventArgs e)
{
long time = android.os.SystemClock.uptimeMillis();
if (action == MotionEvent.ACTION_DOWN)
{
mouse_down = time;
}
else if (mouse_down == 0)
{
return;
}
using (MotionEvent me = MotionEvent.obtain(mouse_down, time, action, e.X, e.Y, 0))
XobotActivityManager.Invoke((window) => window.SendMotionEvent(me));
if (action == MotionEvent.ACTION_UP)
{
mouse_down = 0;
}
}
public ViewParent invalidateChildInParent(int[] location, Rect r)
{
XobotActivityManager.RequestInvalidate(this);
return(null);
}
public void invalidateChild(View child, Rect r)
{
XobotActivityManager.RequestInvalidate(this);
}
public void requestLayout()
{
XobotActivityManager.RequestLayout(this);
}
void SendKeyEvent(KeyEvent e)
{
XobotActivityManager.Invoke((window) => window.SendKeyEvent(e));
}
protected override void OnVisibleChanged(EventArgs e)
{
XobotActivityManager.Invoke((window) => window.OnVisibilityChanged(Visible));
base.OnVisibleChanged(e);
}
protected override void OnLayout(LayoutEventArgs levent)
{
XobotActivityManager.Invoke((window) => window.PerformLayout(Left, Top, Right, Bottom));
base.OnLayout(levent);
}
protected override void OnLostFocus(EventArgs e)
{
XobotActivityManager.Invoke((window) => window.OnFocusChanged(false));
base.OnLostFocus(e);
}