A few tweaks and cleanups

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

diff --git a/include/wx/app.h b/include/wx/app.h
index 1ea9b4c11a89a9c56707e7f570fb1a34b6e44aa0..226be5346fe3ef330bec37e4be7d84914a4fdc3c 100644 (file)
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -47,6 +47,10 @@ class WXDLLEXPORT wxCmdLineParser;
     #include "wx/log.h"
 #endif
 
+#if WXWIN_COMPATIBILITY_2_2
+    #include "wx/icon.h"
+#endif
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -54,6 +58,32 @@ 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(unsigned width, unsigned height, unsigned depth) 
+        : m_width(width), m_height(height), m_depth(depth), m_ok(TRUE) {}
+    
+    unsigned GetWidth() const { return m_width; }
+    unsigned GetHeight() const { return m_height; }
+    unsigned GetDepth() const { return m_depth; }
+    bool IsOk() const { return m_ok; }
+
+private:
+    unsigned m_width, m_height, m_depth;
+    bool     m_ok;
+};
+#endif
+
 // ----------------------------------------------------------------------------
 // the common part of wxApp implementations for all platforms
 // ----------------------------------------------------------------------------
@@ -62,12 +92,10 @@ class WXDLLEXPORT wxAppBase : public wxEvtHandler
 {
 public:
     wxAppBase();
+    virtual ~wxAppBase();
 
     // 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 +163,17 @@ 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
@@ -240,14 +279,20 @@ public:
 #endif // wxUSE_LOG
 
 #if wxUSE_GUI
+
+  #if WXWIN_COMPATIBILITY_2_2
         // get the standard icon used by wxWin dialogs - this allows the user
         // to customize the standard dialogs. The 'which' parameter is one of
         // wxICON_XXX values
-    virtual wxIcon GetStdIcon(int which) const = 0;
+    virtual wxIcon GetStdIcon(int WXUNUSED(which)) const { return wxNullIcon; }
+  #endif
 
-        // VZ: what does this do exactly?
-    void SetWantDebugOutput( bool flag ) { m_wantDebugOutput = flag; }
-    bool GetWantDebugOutput() const { return m_wantDebugOutput; }
+        // 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; }
 
         // set use of best visual flag (see below)
     void SetUseBestVisual( bool flag ) { m_useBestVisual = flag; }
@@ -276,6 +321,18 @@ public:
     virtual void OnAssert(const wxChar *file, int line, const wxChar *msg);
 #endif // __WXDEBUG__
 
+    // deprecated functions, please updae your code to not use them!
+    // -------------------------------------------------------------
+
+#if WXWIN_COMPATIBILITY_2_2
+    // used by obsolete wxDebugMsg only
+    void SetWantDebugOutput( bool flag ) { m_wantDebugOutput = flag; }
+    bool GetWantDebugOutput() const { return m_wantDebugOutput; }
+
+    // TRUE if the application wants to get debug output
+    bool m_wantDebugOutput;
+#endif // WXWIN_COMPATIBILITY_2_2
+
     // implementation only from now on
     // -------------------------------
 
@@ -301,9 +358,6 @@ protected:
              m_appName,         // app name
              m_className;       // class name
 
-    // TRUE if the application wants to get debug output
-    bool m_wantDebugOutput;
-
 #if wxUSE_GUI
     // the main top level window - may be NULL
     wxWindow *m_topWindow;
@@ -331,10 +385,10 @@ 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(__WXX11__)
+        #include "wx/x11/app.h"
     #elif defined(__WXMAC__)
         #include "wx/mac/app.h"
     #elif defined(__WXPM__)