X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b50d93d1dae385443f0ca4a57736cb5a57a3e7fe..986a59561ab32013ae67a243a02099e64f0a4ae1:/include/wx/renderer.h

diff --git a/include/wx/renderer.h b/include/wx/renderer.h
index 3512e8f3e8..6a0116d75a 100644
--- a/include/wx/renderer.h
+++ b/include/wx/renderer.h
@@ -41,8 +41,8 @@ class WXDLLIMPEXP_FWD_CORE wxWindow;
     #undef wxHAS_NATIVE_RENDERER
 #endif
 
-// only MSW currently provides DrawTitleBarBitmap() method
-#if defined(__WXMSW__)
+// only MSW and OS X currently provides DrawTitleBarBitmap() method
+#if defined(__WXMSW__) || (defined(__WXMAC__) && wxUSE_LIBPNG && wxUSE_IMAGE)
     #define wxHAS_DRAW_TITLE_BAR_BITMAP
 #endif
 
@@ -83,7 +83,7 @@ enum wxTitleBarButton
 {
     wxTITLEBAR_BUTTON_CLOSE    = 0x01000000,
     wxTITLEBAR_BUTTON_MAXIMIZE = 0x02000000,
-    wxTITLEBAR_BUTTON_ICONIZE =  0x04000000,
+    wxTITLEBAR_BUTTON_ICONIZE  = 0x04000000,
     wxTITLEBAR_BUTTON_RESTORE  = 0x08000000,
     wxTITLEBAR_BUTTON_HELP     = 0x10000000
 };
@@ -200,6 +200,9 @@ public:
     // height if available, or a generic height based on the window's font.
     virtual int GetHeaderButtonHeight(wxWindow *win) = 0;
 
+    // Returns the margin on left and right sides of header button's label
+    virtual int GetHeaderButtonMargin(wxWindow *win) = 0;
+
 
     // draw the expanded/collapsed icon for a tree control item
     virtual void DrawTreeItemButton(wxWindow *win,
@@ -304,10 +307,13 @@ public:
 #ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
     // Draw one of the standard title bar buttons
     //
-    // This is currently implemented only for MSW because there is no way to
-    // render standard title bar buttons under the other platforms, the best
-    // can be done is to use normal (only) images which wxArtProvider provides
-    // for wxART_HELP and wxART_CLOSE (but not any other title bar buttons)
+    // This is currently implemented only for MSW and OS X (for the close
+    // button only) because there is no way to render standard title bar
+    // buttons under the other platforms, the best can be done is to use normal
+    // (only) images which wxArtProvider provides for wxART_HELP and
+    // wxART_CLOSE (but not any other title bar buttons)
+    //
+    // NB: make sure PNG handler is enabled if using this function under OS X
     virtual void DrawTitleBarBitmap(wxWindow *win,
                                     wxDC& dc,
                                     const wxRect& rect,
@@ -398,6 +404,9 @@ public:
     virtual int GetHeaderButtonHeight(wxWindow *win)
         { return m_rendererNative.GetHeaderButtonHeight(win); }
 
+    virtual int GetHeaderButtonMargin(wxWindow *win)
+        { return m_rendererNative.GetHeaderButtonMargin(win); }
+
     virtual void DrawTreeItemButton(wxWindow *win,
                                     wxDC& dc,
                                     const wxRect& rect,