X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dc3065a56f1febf3de3b3bbf0904cf8fdc7f7c50..419a3607032dc850b5045c622e3f10caa9e1cf91:/include/wx/glcanvas.h?ds=sidebyside

diff --git a/include/wx/glcanvas.h b/include/wx/glcanvas.h
index 9e1c89ea8e..e02657cc96 100644
--- a/include/wx/glcanvas.h
+++ b/include/wx/glcanvas.h
@@ -20,8 +20,8 @@
 #include "wx/palette.h"
 #include "wx/window.h"
 
-class WXDLLIMPEXP_GL wxGLCanvas;
-class WXDLLIMPEXP_GL wxGLContext;
+class WXDLLIMPEXP_FWD_GL wxGLCanvas;
+class WXDLLIMPEXP_FWD_GL wxGLContext;
 
 // ----------------------------------------------------------------------------
 // Constants for attributes list
@@ -66,7 +66,7 @@ public:
      */
 
     // set this context as the current one
-    virtual void SetCurrent(const wxGLCanvas& win) const = 0;
+    virtual bool SetCurrent(const wxGLCanvas& win) const = 0;
 };
 
 // ----------------------------------------------------------------------------
@@ -77,12 +77,7 @@ class WXDLLIMPEXP_GL wxGLCanvasBase : public wxWindow
 {
 public:
     // default ctor doesn't initialize the window, use Create() later
-    wxGLCanvasBase()
-    {
-#if WXWIN_COMPATIBILITY_2_8
-        m_glContext = NULL;
-#endif
-    }
+    wxGLCanvasBase();
 
     virtual ~wxGLCanvasBase();
 
@@ -104,15 +99,18 @@ public:
     // ----------
 
     // set the given context associated with this window as the current one
-    void SetCurrent(const wxGLContext& context) const;
+    bool SetCurrent(const wxGLContext& context) const;
 
     // flush the back buffer (if we have it)
-    virtual void SwapBuffers() = 0;
+    virtual bool SwapBuffers() = 0;
 
 
     // accessors
     // ---------
 
+    // check if the given attributes are supported without creating a canvas
+    static bool IsDisplaySupported(const int *attribList);
+
     const wxPalette *GetPalette() const { return &m_palette; }
 
     // miscellaneous helper functions
@@ -120,7 +118,7 @@ public:
 
     // call glcolor() for the colour with the given name, return false if
     // colour not found
-    bool SetColour(const wxChar *colour);
+    bool SetColour(const wxString& colour);
 
 
 
@@ -155,6 +153,22 @@ protected:
 #endif // WXWIN_COMPATIBILITY_2_8
 };
 
+// ----------------------------------------------------------------------------
+// wxGLApp: a special wxApp subclass for OpenGL applications which must be used
+//          to select a visual compatible with the given attributes
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_GL wxGLAppBase : public wxApp
+{
+public:
+    wxGLAppBase() : wxApp() { }
+
+    // use this in the constructor of the user-derived wxGLApp class to
+    // determine if an OpenGL rendering context with these attributes
+    // is available - returns true if so, false if not.
+    virtual bool InitGLVisual(const int *attribList) = 0;
+};
+
 #if defined(__WXMSW__)
     #include "wx/msw/glcanvas.h"
 #elif defined(__WXMOTIF__) || defined(__WXX11__)
@@ -171,20 +185,22 @@ protected:
     #error "wxGLCanvas not supported in this wxWidgets port"
 #endif
 
-class WXDLLIMPEXP_GL wxGLApp : public wxApp
+// wxMac and wxMSW don't need anything extra in wxGLAppBase, so declare it here
+#ifndef wxGL_APP_DEFINED
+
+class WXDLLIMPEXP_GL wxGLApp : public wxGLAppBase
 {
 public:
-    wxGLApp() : wxApp() { }
+    wxGLApp() : wxGLAppBase() { }
 
-    // use this in the constructor of the user-derived wxGLApp class to
-    // determine if an OpenGL rendering context with these attributes
-    // is available - returns true if so, false if not.
-    bool InitGLVisual(const int *attribList);
+    virtual bool InitGLVisual(const int *attribList);
 
 private:
     DECLARE_DYNAMIC_CLASS(wxGLApp)
 };
 
+#endif // !wxGL_APP_DEFINED
+
 #endif // wxUSE_GLCANVAS
 
 #endif // _WX_GLCANVAS_H_BASE_