going private for m_peer to give a foundation for better encapsulation

[wxWidgets.git] / include / wx / dfb / wrapdfb.h

diff --git a/include/wx/dfb/wrapdfb.h b/include/wx/dfb/wrapdfb.h
index 9ce251c34d7f406754474977afc5746ac71c9a62..602dd7c5fb7b14e9ba6e54bc6ffec914c6c2ff79 100644 (file)
--- a/include/wx/dfb/wrapdfb.h
+++ b/include/wx/dfb/wrapdfb.h
@@ -12,8 +12,17 @@
 #define _WX_DFB_WRAPDFB_H_
 
 #include "wx/dfb/dfbptr.h"
+#include "wx/gdicmn.h"
+#include "wx/vidmode.h"
 
 #include <directfb.h>
+#include <directfb_version.h>
+
+// DFB < 1.0 didn't have u8 type, only __u8
+#if DIRECTFB_MAJOR_VERSION == 0
+typedef __u8 u8;
+#endif
+
 
 wxDFB_DECLARE_INTERFACE(IDirectFB);
 wxDFB_DECLARE_INTERFACE(IDirectFBDisplayLayer);
@@ -205,13 +214,16 @@ struct wxIDirectFBSurface : public wxDfbWrapper<IDirectFBSurface>
     bool GetPixelFormat(DFBSurfacePixelFormat *caps)
         { return Check(m_ptr->GetPixelFormat(m_ptr, caps)); }
 
+    // convenience version of GetPixelFormat, returns DSPF_UNKNOWN if fails
+    DFBSurfacePixelFormat GetPixelFormat();
+
     bool SetClip(const DFBRegion *clip)
         { return Check(m_ptr->SetClip(m_ptr, clip)); }
 
-    bool SetColor(__u8 r, __u8 g, __u8 b, __u8 a)
+    bool SetColor(u8 r, u8 g, u8 b, u8 a)
         { return Check(m_ptr->SetColor(m_ptr, r, g, b, a)); }
 
-    bool Clear(__u8 r, __u8 g, __u8 b, __u8 a)
+    bool Clear(u8 r, u8 g, u8 b, u8 a)
         { return Check(m_ptr->Clear(m_ptr, r, g, b, a)); }
 
     bool DrawLine(int x1, int y1, int x2, int y2)
@@ -283,7 +295,6 @@ struct wxIDirectFBSurface : public wxDfbWrapper<IDirectFBSurface>
                                         source_rect, dest_rect));
     }
 
-
     /// Returns bit depth used by the surface or -1 on error
     int GetDepth();
 
@@ -313,6 +324,36 @@ struct wxIDirectFBSurface : public wxDfbWrapper<IDirectFBSurface>
     wxIDirectFBSurfacePtr CreateCompatible(const wxSize& size = wxDefaultSize,
                                            int flags = 0);
 
+    bool Lock(DFBSurfaceLockFlags flags, void **ret_ptr, int *ret_pitch)
+        { return Check(m_ptr->Lock(m_ptr, flags, ret_ptr, ret_pitch)); }
+
+    bool Unlock()
+        { return Check(m_ptr->Unlock(m_ptr)); }
+
+    /// Helper struct for safe locking & unlocking of surfaces
+    struct Locked
+    {
+        Locked(const wxIDirectFBSurfacePtr& surface, DFBSurfaceLockFlags flags)
+            : m_surface(surface)
+        {
+            if ( !surface->Lock(flags, &ptr, &pitch) )
+                ptr = NULL;
+        }
+
+        ~Locked()
+        {
+            if ( ptr )
+                m_surface->Unlock();
+        }
+
+        void *ptr;
+        int pitch;
+
+    private:
+        wxIDirectFBSurfacePtr m_surface;
+    };
+
+
 private:
     // this is private because we want user code to use FlipToFront()
     bool Flip(const DFBRegion *region, int flags);
@@ -327,39 +368,9 @@ struct wxIDirectFBEventBuffer : public wxDfbWrapper<IDirectFBEventBuffer>
 {
     wxIDirectFBEventBuffer(IDirectFBEventBuffer *s) { Init(s); }
 
-    bool WakeUp()
+    bool CreateFileDescriptor(int *ret_fd)
     {
-        return Check(m_ptr->WakeUp(m_ptr));
-    }
-
-    bool HasEvent()
-    {
-        // returns DFB_OK if there is >=1 event, DFB_BUFFEREMPTY otherwise
-        DFBResult r = m_ptr->HasEvent(m_ptr);
-
-        // NB: Check() also returns true for DFB_BUFFEREMPTY, so we can't just
-        //     return it's return value:
-        Check(r);
-        return (r == DFB_OK);
-    }
-
-    bool WaitForEventWithTimeout(unsigned secs, unsigned millisecs)
-    {
-        DFBResult r = m_ptr->WaitForEventWithTimeout(m_ptr, secs, millisecs);
-
-        // DFB_TIMEOUT is not an error in this function:
-        if ( r == DFB_TIMEOUT )
-        {
-            m_lastResult = DFB_TIMEOUT;
-            return true;
-        }
-
-        return Check(r);
-    }
-
-    bool GetEvent(wxDFBEvent& event)
-    {
-        return Check(m_ptr->GetEvent(m_ptr, &event));
+        return Check(m_ptr->CreateFileDescriptor(m_ptr, ret_fd));
     }
 };
 
@@ -387,12 +398,18 @@ struct wxIDirectFBWindow : public wxDfbWrapper<IDirectFBWindow>
     bool Resize(int w, int h)
         { return Check(m_ptr->Resize(m_ptr, w, h)); }
 
-    bool SetOpacity(__u8 opacity)
+    bool SetOpacity(u8 opacity)
         { return Check(m_ptr->SetOpacity(m_ptr, opacity)); }
 
     bool SetStackingClass(DFBWindowStackingClass klass)
         { return Check(m_ptr->SetStackingClass(m_ptr, klass)); }
 
+    bool RaiseToTop()
+        { return Check(m_ptr->RaiseToTop(m_ptr)); }
+
+    bool LowerToBottom()
+        { return Check(m_ptr->LowerToBottom(m_ptr)); }
+
     wxIDirectFBSurfacePtr GetSurface()
     {
         IDirectFBSurface *s;