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[wxWidgets.git] / include / wx / evtloop.h

diff --git a/include/wx/evtloop.h b/include/wx/evtloop.h
index 4e90d3d80326a5c662a4c1305517fc039d8feb88..084bc9f162fcedb0274db45dcf99fb20027ffaa3 100644 (file)
--- a/include/wx/evtloop.h
+++ b/include/wx/evtloop.h
@@ -12,10 +12,14 @@
 #ifndef _WX_EVTLOOP_H_
 #define _WX_EVTLOOP_H_
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma interface "evtloop.h"
 #endif
 
+#include "wx/utils.h"
+
+class WXDLLEXPORT wxEventLoopImpl;
+
 // ----------------------------------------------------------------------------
 // wxEventLoop: a GUI event loop
 // ----------------------------------------------------------------------------
@@ -44,9 +48,55 @@ public:
     // is the event loop running now?
     virtual bool IsRunning() const;
 
+    // return currently active (running) event loop, may be NULL
+    static wxEventLoop *GetActive() { return ms_activeLoop; }
+
+    // set currently active (running) event loop
+    static void SetActive(wxEventLoop* loop) { ms_activeLoop = loop; }
+
 protected:
+    // this function should be called before the event loop terminates, whether
+    // this happens normally (because of Exit() call) or abnormally (because of
+    // an exception thrown from inside the loop)
+    virtual void OnExit() { }
+
+
+    // the pointer to currently active loop
+    static wxEventLoop *ms_activeLoop;
+
     // the pointer to the port specific implementation class
-    class WXDLLEXPORT wxEventLoopImpl *m_impl;
+    wxEventLoopImpl *m_impl;
+
+    DECLARE_NO_COPY_CLASS(wxEventLoop)
+};
+
+// ----------------------------------------------------------------------------
+// wxModalEventLoop
+// ----------------------------------------------------------------------------
+
+// this is a naive generic implementation which uses wxWindowDisabler to
+// implement modality, we will surely need platform-specific implementations
+// too, this generic implementation is here only temporarily to see how it
+// works
+class WXDLLEXPORT wxModalEventLoop : public wxEventLoop
+{
+public:
+    wxModalEventLoop(wxWindow *winModal)
+    {
+        m_windowDisabler = new wxWindowDisabler(winModal);
+    }
+
+protected:
+    virtual void OnExit()
+    {
+        delete m_windowDisabler;
+        m_windowDisabler = NULL;
+
+        wxEventLoop::OnExit();
+    }
+
+private:
+    wxWindowDisabler *m_windowDisabler;
 };
 
 #endif // _WX_EVTLOOP_H_