Gabriele Cosmo
113 lines
2.9 KiB
Plaintext
113 lines
2.9 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef toolx_Xt_session
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#define toolx_Xt_session
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#include <X11/Intrinsic.h>
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#include <X11/Shell.h>
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#include <X11/StringDefs.h>
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#include <ostream>
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namespace toolx {
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namespace Xt {
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class session {
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public:
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session(std::ostream& a_out)
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:m_out(a_out),m_app_context(0),m_app_widget(0),m_app_owner(false)
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{}
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session(std::ostream& a_out,XtAppContext a_app_context,Widget a_app_widget)
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:m_out(a_out),m_app_context(a_app_context),m_app_widget(a_app_widget),m_app_owner(false)
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{}
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session(std::ostream& a_out,int& a_argc,char** a_argv)
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:m_out(a_out),m_app_context(0),m_app_widget(0),m_app_owner(false)
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{
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//LookDSM_Problem();
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Arg args[1];
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XtSetArg(args[0],XtNgeometry,XtNewString("100x100"));
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m_app_widget = ::XtAppInitialize(&m_app_context,"toolx::Xt::session",NULL,(Cardinal)0,&a_argc,a_argv,NULL,args,1);
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if(!m_app_context || !m_app_widget) {
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m_app_context = 0;
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m_app_widget = 0;
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m_app_owner = false;
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return;
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}
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m_app_owner = true;
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}
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virtual ~session() {
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if(m_app_owner) {
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if(m_app_widget) {::XtDestroyWidget(m_app_widget);m_app_widget = 0;}
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if(m_app_context) {::XtDestroyApplicationContext(m_app_context);m_app_context = 0;}
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}
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}
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protected:
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session(const session& a_from)
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:m_out(a_from.m_out),m_app_context(0),m_app_widget(0),m_app_owner(false)
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{}
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session& operator=(const session&){return *this;}
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public:
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std::ostream& out() const {return m_out;}
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bool is_valid() {return m_app_context && m_app_widget?true:false;}
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bool steer() {
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if(!m_app_context) return false;
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while(true) {
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XEvent event;
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::XtAppNextEvent(m_app_context,&event);
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::XtDispatchEvent(&event);
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//if(m_exit) break;
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}
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return true;
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}
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bool sync() {
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if(!m_app_context) return false;
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while(true) {
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XtInputMask input = ::XtAppPending(m_app_context);
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if(input==0) break;
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XEvent event;
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::XtAppNextEvent(m_app_context,&event);
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::XtDispatchEvent(&event);
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}
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return true;
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}
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public:
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Widget get_app_widget() {return m_app_widget;}
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protected:
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std::ostream& m_out;
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XtAppContext m_app_context;
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Widget m_app_widget;
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bool m_app_owner;
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};
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}}
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#include <X11/IntrinsicP.h>
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namespace toolx {
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namespace Xt {
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inline bool post_expose(Widget a_widget) {
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if(!XtIsRealized(a_widget)) return false;
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XEvent event;
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event.type = Expose;
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event.xexpose.serial = 0;
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event.xexpose.send_event = True;
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event.xexpose.display = XtDisplay(a_widget);
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event.xexpose.window = XtWindow(a_widget);
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event.xexpose.x = 0;
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event.xexpose.y = 0;
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event.xexpose.width = a_widget->core.width;
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event.xexpose.height = a_widget->core.height;
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event.xexpose.count = 0;
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//locks
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Status stat = ::XSendEvent(event.xexpose.display,event.xexpose.window,False,0L,&event);
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::XFlush(event.xexpose.display);
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//unlock();
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return (stat==0?false:true);
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}
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}}
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#endif
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