protected override bool OnKeyDown(KeyEvent e)
{
if (Focused && IsEnabledInHierarchy() && browserHost != null)
{
browserHost.SendFocusEvent(true);
try
{
//_logger.Debug(string.Format("KeyDown: system key {0}, key {1}", arg.SystemKey, arg.Key));
CefKeyEvent keyEvent = new CefKeyEvent()
{
EventType = CefKeyEventType.RawKeyDown,
WindowsKeyCode = (int)e.Key /*KeyInterop.VirtualKeyFromKey(arg.Key == Key.System ? arg.SystemKey : arg.Key)*/,
NativeKeyCode = (int)e.Key, /*0*/
/*IsSystemKey = e.Key == EKeys.System*/
};
keyEvent.Modifiers = GetCurrentKeyboardModifiers();
browserHost.SendKeyEvent(keyEvent);
}
catch (Exception ex)
{
Log.Error("WebBrowserControl: Caught exception in OnKeyDown(): " + ex.Message);
}
//arg.Handled = HandledKeys.Contains(arg.Key);
return(true);
}
return(base.OnKeyDown(e));
}
/// <summary>
/// Sends a mouse up event to the browser.
/// </summary>
/// <param name="x">The x-coordinate of the mouse relative to the left edge of the view.</param>
/// <param name="y">The y-coordinate of the mouse relative to the top edge of the view.</param>
/// <param name="button">One of the <see cref="CefMouseButtonType"/> values.</param>
/// <param name="clicks">A click count.</param>
/// <param name="modifiers">A bitwise combination of the <see cref="CefEventFlags"/> values.</param>
public void SendMouseUpEvent(int x, int y, CefMouseButtonType button, int clicks, CefEventFlags modifiers)
{
CefBrowserHost browserHost = this.BrowserObject?.Host;
if (browserHost == null)
{
return;
}
InitMouseEvent(x, y, modifiers);
browserHost.SendFocusEvent(true);
browserHost.SendMouseClickEvent(_mouseEventProxy, button, true, clicks);
}
private void AttachEventHandlers(WpfCefBrowser browser)
{
browser.GotKeyboardFocus += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
_browserHost.SendFocusEvent(true);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in GotFocus()", ex);
}
};
browser.LostKeyboardFocus += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
_browserHost.SendFocusEvent(false);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in LostFocus()", ex);
}
};
browser.MouseLeave += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
CefMouseEvent mouseEvent = new CefMouseEvent()
{
X = 0,
Y = 0
};
mouseEvent.Modifiers = GetMouseModifiers();
_browserHost.SendMouseMoveEvent(mouseEvent, true);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in MouseLeave()", ex);
}
};
browser.MouseMove += (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();
_browserHost.SendMouseMoveEvent(mouseEvent, false);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in MouseMove()", ex);
}
};
browser.MouseDown += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
Focus();
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, arg.ClickCount);
}
else if (arg.ChangedButton == MouseButton.Middle)
{
_browserHost.SendMouseClickEvent(mouseEvent, CefMouseButtonType.Middle, false, arg.ClickCount);
}
else if (arg.ChangedButton == MouseButton.Right)
{
_browserHost.SendMouseClickEvent(mouseEvent, CefMouseButtonType.Right, false, arg.ClickCount);
}
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in MouseDown()", ex);
}
};
browser.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);
}
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in MouseUp()", ex);
}
};
browser.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);
}
};
// TODO: require more intelligent processing
browser.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,
};
keyEvent.Modifiers = GetKeyboardModifiers();
_browserHost.SendKeyEvent(keyEvent);
}
}
arg.Handled = true;
};
// TODO: require more intelligent processing
browser.PreviewKeyDown += (sender, arg) =>
{
try
{
if (_browserHost != null)
{
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,
};
keyEvent.Modifiers = GetKeyboardModifiers();
_browserHost.SendKeyEvent(keyEvent);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in PreviewKeyDown()", ex);
}
arg.Handled = HandledKeys.Contains(arg.Key);
};
// TODO: require more intelligent processing
browser.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,
};
keyEvent.Modifiers = GetKeyboardModifiers();
_browserHost.SendKeyEvent(keyEvent);
}
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in PreviewKeyUp()", ex);
}
arg.Handled = true;
};
}
