protected override bool OnPreKeyEvent(CefBrowser browser, CefKeyEvent keyEvent, IntPtr os_event, out bool isKeyboardShortcut)
{
if (keyEvent.EventType == CefKeyEventType.RawKeyDown)
webBrowser.OnPreviewKeyDown(keyEvent.Modifiers == CefEventFlags.AltDown,
keyEvent.Modifiers == CefEventFlags.ControlDown,
keyEvent.Modifiers == CefEventFlags.ShiftDown,
keyEvent.FocusOnEditableField,
keyEvent.WindowsKeyCode,
keyEvent.Character);
return base.OnPreKeyEvent(browser, keyEvent, os_event, out isKeyboardShortcut);
}
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");
var n_event = new cef_key_event_t();
keyEvent.ToNative(&n_event);
cef_browser_host_t.send_key_event(_self, &n_event);
}
/// <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 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>
/// Send a key event to the browser.
/// </summary>
public void SendKeyEvent(CefKeyEvent keyEvent)
{
if (keyEvent == null)
throw new ArgumentNullException("keyEvent"); }