.:F L U X B O X:. - Developer Zone

00001 // EventManager.hh
00002 // Copyright (c) 2002 Henrik Kinnunen (fluxgen at linuxmail.org)
00003 //
00004 // Permission is hereby granted, free of charge, to any person obtaining a
00005 // copy of this software and associated documentation files (the "Software"),
00006 // to deal in the Software without restriction, including without limitation
00007 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
00008 // and/or sell copies of the Software, and to permit persons to whom the
00009 // Software is furnished to do so, subject to the following conditions:
00010 //
00011 // The above copyright notice and this permission notice shall be included in
00012 // all copies or substantial portions of the Software.
00013 //
00014 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.    IN NO EVENT SHALL
00017 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00019 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00020 // DEALINGS IN THE SOFTWARE.
00021 
00022 // $Id: EventManager.hh,v 1.7 2003/12/16 17:06:49 fluxgen Exp $
00023 
00024 #include "EventHandler.hh"
00025 #include <map>
00026 
00027 namespace FbTk {
00028 
00029 class FbWindow;
00030 
00034 class EventManager {
00035 public: 
00036     static EventManager *instance();
00037     
00038     void handleEvent(XEvent &ev);
00039     // adds a parent to listen to the childrens events
00040     void addParent(EventHandler &ev, const FbWindow &parent);
00041     void add(EventHandler &ev, const FbWindow &win);
00042     void remove(const FbWindow &win);
00043     void add(EventHandler &ev, Window win) { registerEventHandler(ev, win); }
00044     void remove(Window win) { unregisterEventHandler(win); }
00045 
00046     // Some events have the parent window as the xany.window
00047     // This function always returns the actual window member of the event structure
00048     static Window getEventWindow(XEvent &ev);
00049 
00050     void registerEventHandler(EventHandler &ev, Window win);
00051     void unregisterEventHandler(Window win);
00052 private:
00053     EventManager() { }
00054     ~EventManager();
00055     void dispatch(Window win, XEvent &event, bool parent = false);
00056     std::map<Window, EventHandler *> m_eventhandlers;
00057     std::map<Window, EventHandler *> m_parent;
00058 };
00059 
00060 } //end namespace FbTk
EventManager.hh

Fluxbox CVS-Jan-2003
