protected override void OnLeave(EventArgs e)
{
if (_browser != null)
{
_browser.RemoveInputFocus();
if (_browser.WebBrowserFocus != null)
{
_browser.WebBrowserFocus.Deactivate();
}
}
_entered = false;
base.OnLeave(e);
if (Platform.IsWindows)
{
return;
}
Action EnsureXInputFocusIsRemovedFromReceivedWinFormsControl = () =>
{
var control = Control.FromHandle(NativeReplacements.MonoGetFocus());
var controlName = control.GetType().FullName;
if (controlName == "Gecko.GeckoWebBrowser")
{
return;
}
MoveInputFocusBackToAWinFormsControl();
// Setting the ActiveControl ensure a Focus event occurs on the control focus is moving to.
// And this allows us to call RemoveinputFocus at the neccessary time.
// This prevents keypress still going to the gecko controls when a winform TextBox has focus
// and the mouse is over a gecko control.
Form.ActiveForm.ActiveControl = control;
EventHandler focusEvent = null;
// Attach a execute once only focus handler to the Non GeckoWebBrowser control focus is moving too...
focusEvent = (object sender, EventArgs eventArg) =>
{
control.GotFocus -= focusEvent;
MoveInputFocusBackToAWinFormsControl();
};
control.GotFocus += focusEvent;
};
ProgressUtils.InvokeLaterOnUIThread(
() => EnsureXInputFocusIsRemovedFromReceivedWinFormsControl());
}
/// <summary>
/// If Browser control dosesn't have X11 input focus.
/// then Ensure that it does..
/// </summary>
protected void EnsureFocusedGeckoControlHasInputFocus()
{
if ((_browser == null) || (_browser.HasInputFocus()))
{
return;
}
// Attempt to do it right away.
this._browser.SetInputFocus();
// Othewise do it on the first idle event.
Action setInputFocus = null;
setInputFocus = () =>
{
ProgressUtils.InvokeLaterOnIdle(() =>
{
if (_browser == null)
{
return;
}
if (Form.ActiveForm == null || _browser.ContainsFocus == false)
{
MoveInputFocusBackToAWinFormsControl();
return;
}
if (!_browser.HasInputFocus())
{
this._browser.SetInputFocus();
}
if (!_browser.HasInputFocus())
{
setInputFocus();
}
}, null);
};
if (!_browser.HasInputFocus())
{
setInputFocus();
}
}