Dogcows Code - chaz/openbox/blob - otk/eventdispatcher.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef __eventdispatcher
   3 #define __eventdispatcher
   4
   5 #include "eventhandler.hh"
   6 #include <map>
   7 #include <utility>
   8
   9 namespace otk {
  10
  11 typedef std::map<unsigned int, EventHandler *> EventMap;
  12
  13 class EventDispatcher {
  14 public:
  15
  16   EventDispatcher();
  17   virtual ~EventDispatcher();
  18
  19   virtual void clearAllHandlers(void);
  20   virtual void registerHandler(Window id, EventHandler *handler);
  21   virtual void clearHandler(Window id);
  22   //! Dispatch events from the X server to the appropriate EventHandlers
  23   /*!
  24     @param remote Is the Xserver on a remote (low bandwidth) connection or on a
  25                   local (high bandwidth) connection. This allows you to specify
  26                   'false' in which case slightly different semantics are used
  27                   for event retrieval.<br>
  28                   The default is 'true' since this should generally be used,
  29                   only the Openbox window manager should need to specify
  30                   'false' here.
  31   */
  32   virtual void dispatchEvents(bool remote = true);
  33
  34   inline void setFallbackHandler(EventHandler *fallback)
  35   { _fallback = fallback; }
  36   EventHandler *getFallbackHandler(void) const { return _fallback; }
  37
  38   //! Sets an event handler that gets all events for all handlers after
  39   //! any specific handlers have received them
  40   inline void setMasterHandler(EventHandler *master)
  41   { _master = master; }
  42   EventHandler *getMasterHandler(void) const { return _master; }
  43
  44   EventHandler *findHandler(Window win);
  45
  46   inline Time lastTime() const { return _lasttime; }
  47
  48 private:
  49   EventMap _map;
  50   EventHandler *_fallback;
  51   EventHandler *_master;
  52
  53   //! The time at which the last XEvent with a time was received
  54   Time _lasttime;
  55
  56   void dispatch(Window win, const XEvent &e);
  57   void dispatchFocus(const XEvent &e);
  58 };
  59
  60 }
  61
  62 #endif