src/FbTk/EventManager.hh (raw)
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// EventManager.hh
// Copyright (c) 2002 Henrik Kinnunen (fluxgen at linuxmail.org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id$
#include "EventHandler.hh"
#include <map>
namespace FbTk {
class FbWindow;
/**
singleton mediator for EventHandlers
*/
class EventManager {
public:
static EventManager *instance();
void handleEvent(XEvent &ev);
// adds a parent to listen to the childrens events
void addParent(EventHandler &ev, const FbWindow &parent);
void add(EventHandler &ev, const FbWindow &win);
void remove(const FbWindow &win);
void add(EventHandler &ev, Window win) { registerEventHandler(ev, win); }
void remove(Window win) { unregisterEventHandler(win); }
EventHandler *find(Window win);
// Some events have the parent window as the xany.window
// This function always returns the actual window member of the event structure
static Window getEventWindow(XEvent &ev);
void registerEventHandler(EventHandler &ev, Window win);
void unregisterEventHandler(Window win);
private:
EventManager() { }
~EventManager();
void dispatch(Window win, XEvent &event, bool parent = false);
typedef std::map<Window, EventHandler *> EventHandlerMap;
EventHandlerMap m_eventhandlers;
EventHandlerMap m_parent;
};
} //end namespace FbTk
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