private int on_key_event(cef_keyboard_handler_t *self, cef_browser_t *browser, cef_key_event_t * @event, IntPtr os_event)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
var m_event = CefKeyEvent.FromNative(@event);
// TODO: wrap cef_event_handle_t (os_event)
IntPtr m_os_event = IntPtr.Zero;
if (os_event != IntPtr.Zero)
{
}
var result = OnKeyEvent(m_browser, m_event, m_os_event);
return(result ? 1 : 0);
}
/// <summary>
/// Send a key event to the browser.
/// </summary>
public void SendKeyEvent(CefKeyEvent keyEvent)
{
if (keyEvent == null)
throw new ArgumentNullException("keyEvent"); }
/// <summary>
/// Send a key event to the browser.
/// </summary>
public void SendKeyEvent(CefKeyEvent keyEvent)
{
if (keyEvent == null) throw new ArgumentNullException("keyEvent");
var n_event = new cef_key_event_t();
keyEvent.ToNative(&n_event);
cef_browser_host_t.send_key_event(_self, &n_event);
}
private void OnKeyEvent(ref Message m)
{
var keyEvent = new CefKeyEvent();
keyEvent.WindowsKeyCode = m.WParam.ToInt32();
keyEvent.NativeKeyCode = (int)m.LParam.ToInt64();
keyEvent.IsSystemKey = m.Msg == NativeMethods.WM_SYSCHAR ||
m.Msg == NativeMethods.WM_SYSKEYDOWN ||
m.Msg == NativeMethods.WM_SYSKEYUP;
if (m.Msg == NativeMethods.WM_KEYDOWN || m.Msg == NativeMethods.WM_SYSKEYDOWN)
{
keyEvent.EventType = CefKeyEventType.RawKeyDown;
}
else if (m.Msg == NativeMethods.WM_KEYUP || m.Msg == NativeMethods.WM_SYSKEYUP)
{
keyEvent.EventType = CefKeyEventType.KeyUp;
}
else
{
keyEvent.EventType = CefKeyEventType.Char;
}
keyEvent.Modifiers = GetKeyboardModifiers(ref m);
if (this.Renderer != null)
{
this.Renderer.SendKeyEvent(keyEvent);
}
}
/// <summary>
/// Called after the renderer and JavaScript in the page has had a chance to
/// handle the event. |event| contains information about the keyboard event.
/// |os_event| is the operating system event message, if any. Return true if
/// the keyboard event was handled or false otherwise.
/// </summary>
protected virtual bool OnKeyEvent(CefBrowser browser, CefKeyEvent keyEvent, IntPtr osEvent)
{
return(false);
}
/// <summary>
/// Called before a keyboard event is sent to the renderer. |event| contains
/// information about the keyboard event. |os_event| is the operating system
/// event message, if any. Return true if the event was handled or false
/// otherwise. If the event will be handled in OnKeyEvent() as a keyboard
/// shortcut set |is_keyboard_shortcut| to true and return false.
/// </summary>
protected virtual bool OnPreKeyEvent(CefBrowser browser, CefKeyEvent keyEvent, IntPtr os_event, out bool isKeyboardShortcut)
{
isKeyboardShortcut = false;
return(false);
}
/// <summary>
/// Called before a keyboard event is sent to the renderer. |event| contains
/// information about the keyboard event. |os_event| is the operating system
/// event message, if any. Return true if the event was handled or false
/// otherwise. If the event will be handled in OnKeyEvent() as a keyboard
/// shortcut set |is_keyboard_shortcut| to true and return false.
/// </summary>
protected virtual bool OnPreKeyEvent(CefBrowser browser, CefKeyEvent keyEvent, IntPtr os_event, out bool isKeyboardShortcut)
{
isKeyboardShortcut = false;
return false;
}
/// <summary>
/// Called after the renderer and JavaScript in the page has had a chance to
/// handle the event. |event| contains information about the keyboard event.
/// |os_event| is the operating system event message, if any. Return true if
/// the keyboard event was handled or false otherwise.
/// </summary>
protected virtual bool OnKeyEvent(CefBrowser browser, CefKeyEvent keyEvent, IntPtr osEvent)
{
return false;
}
protected override bool OnKeyUp( KeyEvent e )
{
if( 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.KeyUp,
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 = true;
}
return base.OnKeyUp( e );
}
protected override bool OnKeyPress( KeyPressEvent 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.Char,
WindowsKeyCode = (int)e.KeyChar
};
keyEvent.Modifiers = GetCurrentKeyboardModifiers();
browserHost.SendKeyEvent( keyEvent );
}
catch( Exception ex )
{
Log.Error( "WebBrowserControl: Caught exception in OnKeyDown(): " + ex.Message );
}
//arg.Handled = true;
return true;
}
return base.OnKeyPress( e );
}
public void SendKeyEvent(CefKeyEvent keyEvent)
{
if (this.Browser != null)
{
var host = this.Browser.GetHost();
host.SendKeyEvent(keyEvent);
}
}