private void AttachEventHandlers(UIElement uiElement)
{
uiElement.GotFocus += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
// this.browserHost.SetFocus(true);
_browserHost.SendFocusEvent(true);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in GotFocus()", ex);
}
};
uiElement.LostFocus += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
// this.browserHost.SetFocus(false);
_browserHost.SendFocusEvent(false);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in LostFocus()", ex);
}
};
uiElement.LostMouseCapture += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
_browserHost.SendCaptureLostEvent();
//_logger.Debug("Browser_LostMouseCapture");
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in LostMouseCapture()", ex);
}
};
uiElement.MouseLeave += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
CefMouseEvent mouseEvent = new CefMouseEvent()
{
X = 0,
Y = 0
};
_browserHost.SendMouseMoveEvent(mouseEvent, true);
//_logger.Debug("Browser_MouseLeave");
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in MouseLeave()", ex);
}
};
uiElement.MouseMove += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
Point cursorPos = arg.GetPosition(this);
CefMouseEvent mouseEvent = new CefMouseEvent()
{
X = (int)cursorPos.X,
Y = (int)cursorPos.Y
};
_browserHost.SendMouseMoveEvent(mouseEvent, false);
//_logger.Debug(string.Format("Browser_MouseMove: ({0},{1})", cursorPos.X, cursorPos.Y));
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in MouseMove()", ex);
}
arg.Handled = true;
};
uiElement.MouseDown += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
CaptureMouse();
Keyboard.Focus(this);
Point cursorPos = arg.GetPosition(this);
CefMouseEvent mouseEvent = new CefMouseEvent()
{
X = (int)cursorPos.X,
Y = (int)cursorPos.Y,
};
mouseEvent.Modifiers = GetMouseModifiers();
if (arg.ChangedButton == MouseButton.Left)
{
_browserHost.SendMouseClickEvent(mouseEvent, CefMouseButtonType.Left, false, 1);
}
else if (arg.ChangedButton == MouseButton.Middle)
{
_browserHost.SendMouseClickEvent(mouseEvent, CefMouseButtonType.Middle, false, 1);
}
else if (arg.ChangedButton == MouseButton.Right)
{
_browserHost.SendMouseClickEvent(mouseEvent, CefMouseButtonType.Right, false, 1);
}
//_logger.Debug(string.Format("Browser_MouseDown: ({0},{1})", cursorPos.X, cursorPos.Y));
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in MouseDown()", ex);
}
arg.Handled = true;
};
uiElement.MouseUp += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
Point cursorPos = arg.GetPosition(this);
CefMouseEvent mouseEvent = new CefMouseEvent()
{
X = (int)cursorPos.X,
Y = (int)cursorPos.Y,
};
mouseEvent.Modifiers = GetMouseModifiers();
if (arg.ChangedButton == MouseButton.Left)
{
_browserHost.SendMouseClickEvent(mouseEvent, CefMouseButtonType.Left, true, 1);
}
else if (arg.ChangedButton == MouseButton.Middle)
{
_browserHost.SendMouseClickEvent(mouseEvent, CefMouseButtonType.Middle, true, 1);
}
else if (arg.ChangedButton == MouseButton.Right)
{
_browserHost.SendMouseClickEvent(mouseEvent, CefMouseButtonType.Right, true, 1);
}
//_logger.Debug(string.Format("Browser_MouseUp: ({0},{1})", cursorPos.X, cursorPos.Y));
ReleaseMouseCapture();
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in MouseUp()", ex);
}
arg.Handled = true;
};
uiElement.MouseWheel += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
Point cursorPos = arg.GetPosition(this);
CefMouseEvent mouseEvent = new CefMouseEvent()
{
X = (int)cursorPos.X,
Y = (int)cursorPos.Y,
};
_browserHost.SendMouseWheelEvent(mouseEvent, 0, arg.Delta);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in MouseWheel()", ex);
}
arg.Handled = true;
};
// TODO: require more intelligent processing
uiElement.PreviewTextInput += (sender, arg) =>
{
if (_browserHost != null)
{
_logger.Debug("TextInput: text {0}", arg.Text);
foreach (var c in arg.Text)
{
CefKeyEvent keyEvent = new CefKeyEvent()
{
EventType = CefKeyEventType.Char,
WindowsKeyCode = (int)c,
// Character = c,
};
_browserHost.SendKeyEvent(keyEvent);
}
}
arg.Handled = true;
};
// TODO: require more intelligent processing
uiElement.PreviewKeyDown += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
//_logger.Debug(string.Format("KeyDown: system key {0}, key {1}", arg.SystemKey, arg.Key));
CefKeyEvent keyEvent = new CefKeyEvent()
{
EventType = CefKeyEventType.RawKeyDown,
WindowsKeyCode = KeyInterop.VirtualKeyFromKey(arg.Key == Key.System ? arg.SystemKey : arg.Key),
NativeKeyCode = 0,
IsSystemKey = arg.Key == Key.System,
};
_browserHost.SendKeyEvent(keyEvent);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in PreviewKeyDown()", ex);
}
arg.Handled = false;
};
// TODO: require more intelligent processing
uiElement.PreviewKeyUp += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
//_logger.Debug(string.Format("KeyUp: system key {0}, key {1}", arg.SystemKey, arg.Key));
CefKeyEvent keyEvent = new CefKeyEvent()
{
EventType = CefKeyEventType.KeyUp,
WindowsKeyCode = KeyInterop.VirtualKeyFromKey(arg.Key == Key.System ? arg.SystemKey : arg.Key),
NativeKeyCode = 0,
IsSystemKey = arg.Key == Key.System,
};
_browserHost.SendKeyEvent(keyEvent);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in PreviewKeyUp()", ex);
}
arg.Handled = false;
};
}
