Warning, /include/Geant4/toolx/Xt/session is written in an unsupported language. File is not indexed.
0001 // Copyright (C) 2010, Guy Barrand. All rights reserved.
0002 // See the file tools.license for terms.
0003
0004 #ifndef toolx_Xt_session
0005 #define toolx_Xt_session
0006
0007 #include <X11/Intrinsic.h>
0008 #include <X11/Shell.h>
0009 #include <X11/StringDefs.h>
0010
0011 #include <ostream>
0012
0013 namespace toolx {
0014 namespace Xt {
0015
0016 class session {
0017 public:
0018 session(std::ostream& a_out)
0019 :m_out(a_out),m_app_context(0),m_app_widget(0),m_app_owner(false)
0020 {}
0021 session(std::ostream& a_out,XtAppContext a_app_context,Widget a_app_widget)
0022 :m_out(a_out),m_app_context(a_app_context),m_app_widget(a_app_widget),m_app_owner(false)
0023 {}
0024 session(std::ostream& a_out,int& a_argc,char** a_argv)
0025 :m_out(a_out),m_app_context(0),m_app_widget(0),m_app_owner(false)
0026 {
0027 //LookDSM_Problem();
0028 Arg args[1];
0029 XtSetArg(args[0],XtNgeometry,XtNewString("100x100"));
0030 m_app_widget = ::XtAppInitialize(&m_app_context,"toolx::Xt::session",NULL,(Cardinal)0,&a_argc,a_argv,NULL,args,1);
0031 if(!m_app_context || !m_app_widget) {
0032 m_app_context = 0;
0033 m_app_widget = 0;
0034 m_app_owner = false;
0035 return;
0036 }
0037 m_app_owner = true;
0038 }
0039 virtual ~session() {
0040 if(m_app_owner) {
0041 if(m_app_widget) {::XtDestroyWidget(m_app_widget);m_app_widget = 0;}
0042 if(m_app_context) {::XtDestroyApplicationContext(m_app_context);m_app_context = 0;}
0043 }
0044 }
0045 protected:
0046 session(const session& a_from)
0047 :m_out(a_from.m_out),m_app_context(0),m_app_widget(0),m_app_owner(false)
0048 {}
0049 session& operator=(const session&){return *this;}
0050 public:
0051 std::ostream& out() const {return m_out;}
0052 bool is_valid() {return m_app_context && m_app_widget?true:false;}
0053 bool steer() {
0054 if(!m_app_context) return false;
0055 while(true) {
0056 XEvent event;
0057 ::XtAppNextEvent(m_app_context,&event);
0058 ::XtDispatchEvent(&event);
0059 //if(m_exit) break;
0060 }
0061 return true;
0062 }
0063 bool sync() {
0064 if(!m_app_context) return false;
0065 while(true) {
0066 XtInputMask input = ::XtAppPending(m_app_context);
0067 if(input==0) break;
0068 XEvent event;
0069 ::XtAppNextEvent(m_app_context,&event);
0070 ::XtDispatchEvent(&event);
0071 }
0072 return true;
0073 }
0074 public:
0075 Widget get_app_widget() {return m_app_widget;}
0076 protected:
0077 std::ostream& m_out;
0078 XtAppContext m_app_context;
0079 Widget m_app_widget;
0080 bool m_app_owner;
0081 };
0082
0083 }}
0084
0085 #include <X11/IntrinsicP.h>
0086
0087 namespace toolx {
0088 namespace Xt {
0089
0090 inline bool post_expose(Widget a_widget) {
0091 if(!XtIsRealized(a_widget)) return false;
0092 XEvent event;
0093 event.type = Expose;
0094 event.xexpose.serial = 0;
0095 event.xexpose.send_event = True;
0096 event.xexpose.display = XtDisplay(a_widget);
0097 event.xexpose.window = XtWindow(a_widget);
0098 event.xexpose.x = 0;
0099 event.xexpose.y = 0;
0100 event.xexpose.width = a_widget->core.width;
0101 event.xexpose.height = a_widget->core.height;
0102 event.xexpose.count = 0;
0103 //locks
0104 Status stat = ::XSendEvent(event.xexpose.display,event.xexpose.window,False,0L,&event);
0105 ::XFlush(event.xexpose.display);
0106 //unlock();
0107 return (stat==0?false:true);
0108 }
0109
0110 }}
0111
0112 #endif
