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Geant4/externals/g4tools/include/toolx/X11/simple_dispatcher

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  1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.
  3 
  4 #ifndef toolx_X11_simple_dispatcher
  5 #define toolx_X11_simple_dispatcher
  6 
  7 #include "base_session"
  8 
  9 #include <tools/saui>
 10 
 11 namespace toolx {
 12 namespace X11 {
 13 
 14 class simple_dispatcher : public dispatcher {
 15   typedef dispatcher parent;
 16 public:
 17   virtual void win_render() = 0;
 18   virtual void set_size(unsigned int a_width,unsigned int a_height) = 0;
 19 public:
 20   virtual bool dispatch(XEvent& a_event) {
 21     if(!m_win) return false;
 22     if(a_event.xany.window!=m_win) return false;
 23     if( (a_event.type==Expose) || (a_event.type==ConfigureNotify) ){
 24       int width,height;
 25       m_session.window_size(m_win,width,height);
 26       set_size(width,height);   //viewer::set_size()
 27       win_render();
 28       return true;
 29     } else if(a_event.type==ClientMessage) {
 30       if(a_event.xclient.data.l[0]==(long)m_session.WM_DELETE_WINDOW_atom()) {
 31         m_session.post(m_win,m_session.SESSION_EXIT_STEER_atom());
 32         return true;
 33       }
 34     }
 35     return false;
 36   }
 37   virtual Window window() const {return m_win;}
 38 public:
 39   simple_dispatcher(base_session& a_session,Window a_win)
 40   :parent()
 41   ,m_session(a_session)
 42   ,m_win(a_win)
 43   {}
 44   virtual ~simple_dispatcher(){}
 45 public:
 46   simple_dispatcher(const simple_dispatcher& a_from)
 47   :parent(a_from)
 48   ,m_session(a_from.m_session)
 49   ,m_win(a_from.m_win)
 50   {}
 51   simple_dispatcher& operator=(const simple_dispatcher& a_from) {
 52     parent::operator=(a_from);
 53     m_win = a_from.m_win;
 54     return *this;
 55   }
 56 protected:
 57   base_session& m_session;
 58   Window m_win;
 59 };
 60 
 61 }}
 62 
 63 #endif