Committing in .

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

diff --git a/include/wx/renderer.h b/include/wx/renderer.h
index 2906de378a045b7c351655d2d883234cf4297871..453baf801ad7571456b1254ebdd07bfe0cc6191e 100644 (file)
--- a/include/wx/renderer.h
+++ b/include/wx/renderer.h
@@ -5,12 +5,12 @@
 // Modified by:
 // Created:     20.07.2003
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     20.07.2003
 // RCS-ID:      $Id$

-// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>

 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 /*
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 /*

-   Renderers are used in wxWindows for two similar but different things:
+   Renderers are used in wxWidgets for two similar but different things:

     (a) wxUniversal uses them to draw everything, i.e. all the control
     (b) all the native ports use them to draw generic controls only
 
     (a) wxUniversal uses them to draw everything, i.e. all the control
     (b) all the native ports use them to draw generic controls only
 


@@ -62,6 +62,60 @@ enum
     wxCONTROL_DIRTY      = 0x80000000
 };
 
     wxCONTROL_DIRTY      = 0x80000000
 };
 

+// ----------------------------------------------------------------------------
+// helper structs
+// ----------------------------------------------------------------------------
+
+// wxSplitterWindow parameters
+struct WXDLLEXPORT wxSplitterRenderParams
+{
+    // the only way to initialize this struct is by using this ctor
+    wxSplitterRenderParams(wxCoord widthSash_, wxCoord border_, bool isSens_)
+        : widthSash(widthSash_), border(border_), isHotSensitive(isSens_)
+        {
+        }
+
+    // the width of the splitter sash
+    const wxCoord widthSash;
+
+    // the width of the border of the splitter window
+    const wxCoord border;
+
+    // true if the splitter changes its appearance when the mouse is over it
+    const bool isHotSensitive;
+};
+
+// wxRendererNative interface version
+struct WXDLLEXPORT wxRendererVersion
+{
+    wxRendererVersion(int version_, int age_) : version(version_), age(age_) { }
+
+    // default copy ctor, assignment operator and dtor are ok
+
+    // the current version and age of wxRendererNative interface: different
+    // versions are incompatible (in both ways) while the ages inside the same
+    // version are upwards compatible, i.e. the version of the renderer must
+    // match the version of the main program exactly while the age may be
+    // highergreater or equal to it
+    //
+    // NB: don't forget to increment age after adding any new virtual function!
+    enum
+    {
+        Current_Version = 1,
+        Current_Age = 5
+    };
+
+
+    // check if the given version is compatible with the current one
+    static bool IsCompatible(const wxRendererVersion& ver)
+    {
+        return ver.version == Current_Version && ver.age >= Current_Age;
+    }
+
+    const int version;
+    const int age;
+};
+

 // ----------------------------------------------------------------------------
 // wxRendererNative: abstracts drawing methods needed by the native controls
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxRendererNative: abstracts drawing methods needed by the native controls
 // ----------------------------------------------------------------------------


@@ -69,8 +123,6 @@ enum
 class WXDLLEXPORT wxRendererNative
 {
 public:
 class WXDLLEXPORT wxRendererNative
 {
 public:

-    virtual ~wxRendererNative() { } // stop GCC warning
-

     // drawing functions
     // -----------------
 
     // drawing functions
     // -----------------
 


@@ -90,14 +142,16 @@ public:
     // drawn by DrawSash() blends into it well
     virtual void DrawSplitterBorder(wxWindow *win,
                                     wxDC& dc,
     // drawn by DrawSash() blends into it well
     virtual void DrawSplitterBorder(wxWindow *win,
                                     wxDC& dc,

-                                    const wxRect& rect) = 0;
+                                    const wxRect& rect,
+                                    int flags = 0) = 0;

 
     // draw a (vertical) sash
     virtual void DrawSplitterSash(wxWindow *win,
                                   wxDC& dc,
                                   const wxSize& size,
                                   wxCoord position,
 
     // draw a (vertical) sash
     virtual void DrawSplitterSash(wxWindow *win,
                                   wxDC& dc,
                                   const wxSize& size,
                                   wxCoord position,

-                                  wxOrientation orient) = 0;
+                                  wxOrientation orient,
+                                  int flags = 0) = 0;

 
 
     // geometry functions
 
 
     // geometry functions


@@ -105,7 +159,7 @@ public:
 
     // get the splitter parameters: the x field of the returned point is the
     // sash width and the y field is the border width
 
     // get the splitter parameters: the x field of the returned point is the
     // sash width and the y field is the border width

-    virtual wxPoint GetSplitterSashAndBorder(const wxWindow *win) = 0;
+    virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win) = 0;

 
 
     // pseudo constructors
 
 
     // pseudo constructors


@@ -119,6 +173,34 @@ public:
 
     // return the default (native) implementation for this platform
     static wxRendererNative& GetDefault();
 
     // return the default (native) implementation for this platform
     static wxRendererNative& GetDefault();

+
+
+    // changing the global renderer
+    // ----------------------------
+
+#if wxUSE_DYNLIB_CLASS
+    // load the renderer from the specified DLL, the returned pointer must be
+    // deleted by caller if not NULL when it is not used any more
+    static wxRendererNative *Load(const wxString& name);
+#endif // wxUSE_DYNLIB_CLASS
+
+    // set the renderer to use, passing NULL reverts to using the default
+    // renderer
+    //
+    // return the previous renderer used with Set() or NULL if none
+    static wxRendererNative *Set(wxRendererNative *renderer);
+
+
+    // miscellaneous stuff
+    // -------------------
+
+    // this function is used for version checking: Load() refuses to load any
+    // DLLs implementing an older or incompatible version; it should be
+    // implemented simply by returning wxRendererVersion::Current_XXX values
+    virtual wxRendererVersion GetVersion() const = 0;
+
+    // virtual dtor for any base class
+    virtual ~wxRendererNative();

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -149,19 +231,25 @@ public:
 
     virtual void DrawSplitterBorder(wxWindow *win,
                                     wxDC& dc,
 
     virtual void DrawSplitterBorder(wxWindow *win,
                                     wxDC& dc,

-                                    const wxRect& rect)
-        { m_rendererNative.DrawSplitterBorder(win, dc, rect); }
+                                    const wxRect& rect,
+                                    int flags = 0)
+        { m_rendererNative.DrawSplitterBorder(win, dc, rect, flags); }

 
     virtual void DrawSplitterSash(wxWindow *win,
                                   wxDC& dc,
                                   const wxSize& size,
                                   wxCoord position,
 
     virtual void DrawSplitterSash(wxWindow *win,
                                   wxDC& dc,
                                   const wxSize& size,
                                   wxCoord position,

-                                  wxOrientation orient)
-        { m_rendererNative.DrawSplitterSash(win, dc, size, position, orient); }
+                                  wxOrientation orient,
+                                  int flags = 0)
+        { m_rendererNative.DrawSplitterSash(win, dc, size,
+                                            position, orient, flags); }
+

 
 

+    virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win)
+        { return m_rendererNative.GetSplitterParams(win); }

 
 

-    virtual wxPoint GetSplitterSashAndBorder(const wxWindow *win)
-        { return m_rendererNative.GetSplitterSashAndBorder(win); }
+    virtual wxRendererVersion GetVersion() const
+        { return m_rendererNative.GetVersion(); }

 
 protected:
     wxRendererNative& m_rendererNative;
 
 protected:
     wxRendererNative& m_rendererNative;