A src/FbTk/EventManager.cc

@@ -0,0 +1,92 @@ 
+// EventManager.cc
+// 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: EventManager.cc,v 1.1 2002/11/27 21:41:13 fluxgen Exp $
+
+#include "EventManager.hh"
+
+#include <iostream>
+using namespace std;
+
+namespace FbTk {
+
+EventManager *EventManager::instance() {
+	static EventManager ev;
+	return &ev;
+}
+
+EventManager::~EventManager() {
+	if (m_eventhandlers.size() != 0)
+		cerr<<"FbTk::EventManager: Warning: unregistered eventhandlers!"<<endl;
+}
+
+void EventManager::handleEvent(XEvent &ev) {
+	// find eventhandler for event window
+	if (m_eventhandlers.find(ev.xany.window) == m_eventhandlers.end()) {
+		cerr<<"Can't find window="<<ev.xany.window<<endl;
+		return;
+	}
+	EventHandler *evhand = m_eventhandlers[ev.xany.window];
+	if (evhand == 0) {
+		cerr<<"FbTk::EventManager: Warning: evhand == 0!"<<endl;
+		return;
+	}
+		
+	switch (ev.xany.type) {
+	case KeyPress:
+		evhand->keyPressEvent(ev.xkey);
+	break;
+	case KeyRelease:
+		evhand->keyReleaseEvent(ev.xkey);
+	break;
+	case ButtonPress:
+		evhand->buttonPressEvent(ev.xbutton);
+	break;
+	case ButtonRelease:
+		evhand->buttonReleaseEvent(ev.xbutton);
+	break;
+	case MotionNotify:
+		evhand->motionNotifyEvent(ev.xmotion);
+	break;
+	case Expose:
+		evhand->exposeEvent(ev.xexpose);
+	break;
+	case EnterNotify:
+		evhand->enterNotifyEvent(ev.xcrossing);
+	break;
+	case LeaveNotify:
+		evhand->leaveNotifyEvent(ev.xcrossing);
+	break;
+	default:
+		evhand->handleEvent(ev);
+	break;
+	};
+}
+
+void EventManager::registerEventHandler(EventHandler &ev, Window win) {
+	m_eventhandlers[win] = &ev;
+}
+
+void EventManager::unregisterEventHandler(Window win) {
+	m_eventhandlers.erase(win);
+}
+
+};

A src/FbTk/EventManager.hh

@@ -0,0 +1,47 @@ 
+// 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: EventManager.hh,v 1.1 2002/11/27 21:41:13 fluxgen Exp $
+
+#include "EventHandler.hh"
+#include <map>
+
+namespace FbTk {
+
+/**
+  singleton mediator for EventHandlers
+*/
+class EventManager {
+public:	
+	static EventManager *instance();
+	
+	void handleEvent(XEvent &ev);
+
+	void registerEventHandler(EventHandler &ev, Window win);
+	void unregisterEventHandler(Window win);
+private:
+	EventManager() { }
+	~EventManager();
+
+	std::map<Window, EventHandler *> m_eventhandlers;
+};
+
+}; //end namespace FbTk