69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
// EventManager.hh
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// Copyright (c) 2002 Henrik Kinnunen (fluxgen at fluxbox dot org)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#include <map>
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#include <X11/Xlib.h>
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namespace FbTk {
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class FbWindow;
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class EventHandler;
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/**
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singleton mediator for EventHandlers
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*/
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class EventManager {
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public:
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static EventManager *instance();
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void handleEvent(XEvent &ev);
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// adds a parent to listen to the childrens events
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void addParent(EventHandler &ev, const FbWindow &parent);
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void add(EventHandler &ev, const FbWindow &win);
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void remove(const FbWindow &win);
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void add(EventHandler &ev, Window win) { registerEventHandler(ev, win); }
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void remove(Window win) { unregisterEventHandler(win); }
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bool grabKeyboard(EventHandler &ev, Window win);
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void ungrabKeyboard();
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EventHandler *grabbingKeyboard() { return m_grabbing_keyboard; }
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EventHandler *find(Window win);
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// Some events have the parent window as the xany.window
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// This function always returns the actual window member of the event structure
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static Window getEventWindow(XEvent &ev);
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void registerEventHandler(EventHandler &ev, Window win);
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void unregisterEventHandler(Window win);
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private:
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EventManager(): m_grabbing_keyboard(0) { }
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~EventManager();
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void dispatch(Window win, XEvent &event, bool parent = false);
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typedef std::map<Window, EventHandler *> EventHandlerMap;
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EventHandlerMap m_eventhandlers;
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EventHandlerMap m_parent;
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EventHandler *m_grabbing_keyboard;
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};
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} //end namespace FbTk
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