public override void SetCapture(XwtImpl xwt, Widget widget)
{
if (widget != null)
{
var backend = widget.GetBackend();
var w = backend.GetType().GetPropertyValue(backend, "Widget");
w.GetType().Invoke(w, "CaptureMouse");
}
}
public override void SetCapture(XwtImpl xwt, Widget widget)
{
var gtkwin = widget.GetBackend().NativeWidget;
// Gtk.gtk_grab.InvokeStatic("Add", gtkwin);
// var gtk = widget.GetBackend().NativeWidget;
var gdkwin = gtkwin.GetType().GetPropertyValue(gtkwin, "GdkWindow");
// var h = (IntPtr)gdk.GetType().GetPropertyValue(gdk, "Handle");
// int r = x11_gdk_pointer_grab(h, true, , IntPtr.Zero, IntPtr.Zero, 0);
var et = Platform.GetType("Gdk.EventMask");
var em = Enum.ToObject(et, 0x3f0 /*0x33fb*/);
var r = Platform.GetType("Gdk.Pointer").InvokeStatic("Grab", new object[] { gdkwin, true, em, null, null, (uint)0 });
Console.WriteLine($"gdk_grab={r}");
}
public override void SetCapture(XwtImpl xwt, Widget widget)
{
Debug.Assert(this.captured == 0 ? this.captureitem == null : object.ReferenceEquals(this.captureitem, widget));
Debug.Assert(this.captured == 0);
if (this.captured++ == 0)
{
this.captureitem = widget;
}
if (this.captureitemeventdoeventcnt == 0)
{
xwt.QueueOnUI(() =>
{
if (this.captureitemeventdoeventcnt != 0)
{
return;
}
while (captured > 0)
{
DoEvents(() => true);
}
});
}
}
public override void SetCapture(XwtImpl xwt, Widget widget)
{
var gtkwin = widget.GetBackend().NativeWidget;
Gtk.gtk_grab.InvokeStatic("Add", gtkwin);
}
public abstract void SetCapture(XwtImpl xwt, Widget widget);