1 // EventManager.hh 2 // Copyright (c) 2002 Henrik Kinnunen (fluxgen at fluxbox dot org) 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a 5 // copy of this software and associated documentation files (the "Software"), 6 // to deal in the Software without restriction, including without limitation 7 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 // and/or sell copies of the Software, and to permit persons to whom the 9 // Software is furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20 // DEALINGS IN THE SOFTWARE. 21 22 // $Id: EventManager.hh 3864 2005-01-24 18:02:34Z mathias $ 23 24 #include "EventHandler.hh" 25 #include <map> 26 27 namespace FbTk { 28 29 class FbWindow; 30 31 /** 32 singleton mediator for EventHandlers 33 */ 34 class EventManager { 35 public: 36 static EventManager *instance(); 37 38 void handleEvent(XEvent &ev); 39 // adds a parent to listen to the childrens events 40 void addParent(EventHandler &ev, const FbWindow &parent); 41 void add(EventHandler &ev, const FbWindow &win); 42 void remove(const FbWindow &win); add(EventHandler & ev,Window win)43 void add(EventHandler &ev, Window win) { registerEventHandler(ev, win); } remove(Window win)44 void remove(Window win) { unregisterEventHandler(win); } 45 46 EventHandler *find(Window win); 47 48 // Some events have the parent window as the xany.window 49 // This function always returns the actual window member of the event structure 50 static Window getEventWindow(XEvent &ev); 51 52 void registerEventHandler(EventHandler &ev, Window win); 53 void unregisterEventHandler(Window win); 54 55 private: EventManager()56 EventManager() { } 57 ~EventManager(); 58 void dispatch(Window win, XEvent &event, bool parent = false); 59 60 typedef std::map<Window, EventHandler *> EventHandlerMap; 61 EventHandlerMap m_eventhandlers; 62 EventHandlerMap m_parent; 63 }; 64 65 } //end namespace FbTk 66