A little fix for Vadim's fix

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

diff --git a/include/wx/app.h b/include/wx/app.h
index 1e555d402dd01f5518ec0bfc7573df04b04de2ea..fde92485c38da2338ca7ff47a3a22f9407922168 100644 (file)
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -54,6 +54,32 @@ class WXDLLEXPORT wxCmdLineParser;
 static const int wxPRINT_WINDOWS = 1;
 static const int wxPRINT_POSTSCRIPT = 2;
 
+// ----------------------------------------------------------------------------
+// support for framebuffer ports
+// ----------------------------------------------------------------------------
+
+#if wxUSE_GUI
+// VS: Fullscreen/framebuffer application needs to choose display mode prior
+//     to wxWindows initialization. This class holds information about display
+//     mode. It is used by  wxApp::Set/GetDisplayMode.
+class WXDLLEXPORT wxDisplayModeInfo
+{
+public:
+    wxDisplayModeInfo() : m_ok(FALSE) {}
+    wxDisplayModeInfo(const wxSize& size, unsigned depth) 
+        : m_size(size), m_depth(depth), m_ok(TRUE) {}
+    
+    const wxSize& GetScreenSize() const { return m_size; }
+    unsigned GetDepth() const { return m_depth; }
+    bool IsOk() const { return m_ok; }
+
+private:
+    wxSize   m_size;
+    unsigned m_depth;
+    bool     m_ok;
+};
+#endif
+
 // ----------------------------------------------------------------------------
 // the common part of wxApp implementations for all platforms
 // ----------------------------------------------------------------------------
@@ -65,9 +91,6 @@ public:
 
     // the virtual functions which may/must be overridden in the derived class
     // -----------------------------------------------------------------------
-#ifdef __DARWIN__
-    virtual ~wxAppBase() { }
-#endif
 
         // called during the program initialization, returning FALSE from here
         // prevents the program from continuing - it's a good place to create
@@ -135,6 +158,17 @@ public:
         // process the first event in the event queue (blocks until an event
         // apperas if there are none currently)
     virtual void Dispatch() = 0;
+
+        // process all currently pending events right now
+        //
+        // it is an error to call Yield() recursively unless the value of
+        // onlyIfNeeded is TRUE
+        //
+        // WARNING: this function is dangerous as it can lead to unexpected
+        //          reentrancies (i.e. when called from an event handler it
+        //          may result in calling the same event handler again), use
+        //          with _extreme_ care or, better, don't use at all!
+    virtual bool Yield(bool onlyIfNeeded = FALSE) = 0;
 #endif // wxUSE_GUI
 
     // application info: name, description, vendor
@@ -245,6 +279,13 @@ public:
         // wxICON_XXX values
     virtual wxIcon GetStdIcon(int which) const = 0;
 
+        // Get display mode that is used use. This is only used in framebuffer wxWin ports
+        // (such as wxMGL).
+    virtual wxDisplayModeInfo GetDisplayMode() const { return wxDisplayModeInfo(); }
+        // Set display mode to use. This is only used in framebuffer wxWin ports
+        // (such as wxMGL). This method should be called from wxApp:OnInitGui
+    virtual bool SetDisplayMode(const wxDisplayModeInfo& WXUNUSED(info)) { return TRUE; }
+
         // VZ: what does this do exactly?
     void SetWantDebugOutput( bool flag ) { m_wantDebugOutput = flag; }
     bool GetWantDebugOutput() const { return m_wantDebugOutput; }
@@ -285,6 +326,11 @@ public:
     static wxAppInitializerFunction GetInitializerFunction()
         { return m_appInitFn; }
 
+    // needed to avoid link errors
+#ifdef __DARWIN__
+    virtual ~wxAppBase() { }
+#endif
+
     // process all events in the wxPendingEvents list
     virtual void ProcessPendingEvents();
 
@@ -331,8 +377,6 @@ protected:
         #include "wx/motif/app.h"
     #elif defined(__WXMGL__)
         #include "wx/mgl/app.h"
-    #elif defined(__WXQT__)
-        #include "wx/qt/app.h"
     #elif defined(__WXGTK__)
         #include "wx/gtk/app.h"
     #elif defined(__WXMAC__)
@@ -444,7 +488,7 @@ public:
 // be in your main program (e.g. hello.cpp). Now IMPLEMENT_APP should add this
 // code if required.
 
-#if !wxUSE_GUI || defined(__WXMOTIF__) || defined(__WXGTK__) || defined(__WXPM__)
+#if !wxUSE_GUI || defined(__WXMOTIF__) || defined(__WXGTK__) || defined(__WXPM__) || defined(__WXMGL__)
     #define IMPLEMENT_WXWIN_MAIN \
         extern int wxEntry( int argc, char *argv[] ); \
         int main(int argc, char *argv[]) { return wxEntry(argc, argv); }