Geant4 Cross Reference

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Geant4/externals/g4tools/include/toolx/Windows/session

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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_Windows_session
  5 #define toolx_Windows_session
  6 
  7 #include <windows.h>
  8 #include <windowsx.h>
  9 
 10 #include <ostream>
 11 #include <cstdlib>
 12 
 13 namespace toolx {
 14 namespace Windows {
 15 
 16 class session {
 17 public:
 18   session(std::ostream& a_out):m_out(a_out){}
 19   virtual ~session() {}
 20 protected:
 21   session(const session& a_from):m_out(a_from.m_out){}
 22   session& operator=(const session&){return *this;}
 23 public:
 24   std::ostream& out() const {return m_out;}
 25 
 26   bool is_valid() const {return true;}
 27 
 28   bool steer() {
 29     while(true) {
 30       MSG event;
 31       BOOL status = ::GetMessage(&event,NULL,0,0);
 32       if(status == -1) { // This may happen (dixit Microsoft doc).
 33         break;
 34       } else if(status == 0) { //WM_QUIT
 35         break;
 36       } else {
 37         ::TranslateMessage(&event);
 38         ::DispatchMessage (&event);
 39       }
 40     }
 41     return true;
 42   }
 43 
 44   bool sync() {
 45     MSG event;
 46     while(::PeekMessage(&event,NULL,0,0,PM_REMOVE)) {
 47       if(event.message==WM_QUIT) return false;
 48       ::TranslateMessage(&event);
 49       ::DispatchMessage(&event);
 50     }
 51     return true;
 52   }
 53 
 54   void show_window(HWND a_hwnd){
 55     ::SetForegroundWindow(a_hwnd);
 56     ::ShowWindow(a_hwnd,SW_SHOWDEFAULT);
 57     ::UpdateWindow(a_hwnd);
 58     ::DrawMenuBar(a_hwnd);
 59   }
 60 
 61   void set_size(HWND a_hwnd,unsigned int a_width,unsigned int a_height) {
 62     ::MoveWindow(a_hwnd,0,0,a_width,a_height,TRUE);
 63   }
 64 
 65   //void post(HWND a_hwnd,LPARAM a_msg){
 66   //  ::PostMessage(a_hwnd,WM_USER,(WPARAM)0,a_msg);
 67   //}
 68 public:
 69   bool tmp_dir(std::string& a_dir) {
 70     char* env = ::getenv("TEMP");
 71     if(!env) {a_dir.clear();return false;}
 72     a_dir = env;
 73     return true;
 74   }
 75 protected:
 76   std::ostream& m_out;
 77 };
 78 
 79 }}
 80 
 81 
 82 #endif