X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4f04a4fd782128f16136aabe9eb6c654b2a103a8..ac349b6e662fbd445618f13dc3d9ae881c1e7ebf:/include/wx/msw/window.h

diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h
index c1c4e3555b..52bdd1eeb2 100644
--- a/include/wx/msw/window.h
+++ b/include/wx/msw/window.h
@@ -13,6 +13,8 @@
 #ifndef _WX_WINDOW_H_
 #define _WX_WINDOW_H_
 
+#include "wx/settings.h"        // solely for wxSystemColour
+
 // if this is set to 1, we use deferred window sizing to reduce flicker when
 // resizing complicated window hierarchies, but this can in theory result in
 // different behaviour than the old code so we keep the possibility to use it
@@ -399,17 +401,34 @@ public:
     // background or 0 if this window doesn't impose any particular background
     // on its children
     //
+    // the hDC parameter is the DC background will be drawn on, it can be used
+    // to call SetBrushOrgEx() on it if the returned brush is a bitmap one
+    //
+    // child parameter is never NULL
+    //
     // the base class version returns a solid brush if we have a non default
     // background colour or 0 otherwise
-    virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, WXHWND hWnd);
+    virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, wxWindowMSW *child);
 
     // return the background brush to use for painting the given window by
     // quering the parent windows via their MSWGetBgBrushForChild() recursively
-    //
-    // hWndToPaint is normally NULL meaning this window itself, but it can also
-    // be a child of this window which is used by the static box and could be
-    // potentially useful for other transparent controls
-    WXHBRUSH MSWGetBgBrush(WXHDC hDC, WXHWND hWndToPaint = NULL);
+    WXHBRUSH MSWGetBgBrush(WXHDC hDC) { return MSWGetBgBrush(hDC, this); }
+    WXHBRUSH MSWGetBgBrush(WXHDC hDC, wxWindowMSW *child);
+
+    enum MSWThemeColour
+    {
+        ThemeColourText = 0,
+        ThemeColourBackground,
+        ThemeColourBorder
+    };
+
+    // returns a specific theme colour, or if that is not possible then
+    // wxSystemSettings::GetColour(fallback)
+    wxColour MSWGetThemeColour(const wchar_t *themeName,
+                               int themePart,
+                               int themeState,
+                               MSWThemeColour themeColour,
+                               wxSystemColour fallback) const;
 
     // gives the parent the possibility to draw its children background, e.g.
     // this is used by wxNotebook to do it using DrawThemeBackground()
@@ -428,6 +447,27 @@ public:
         return true;
     }
 
+#if !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
+    #define wxHAS_MSW_BACKGROUND_ERASE_HOOK
+#endif
+
+#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK
+    // allows the child to hook into its parent WM_ERASEBKGND processing: call
+    // MSWSetEraseBgHook() with a non-NULL window to make parent call
+    // MSWEraseBgHook() on this window (don't forget to reset it to NULL
+    // afterwards)
+    //
+    // this hack is used by wxToolBar, see comments there
+    void MSWSetEraseBgHook(wxWindow *child);
+
+    // return true if WM_ERASEBKGND is currently hooked
+    bool MSWHasEraseBgHook() const;
+
+    // called when the window on which MSWSetEraseBgHook() had been called
+    // receives WM_ERASEBKGND
+    virtual bool MSWEraseBgHook(WXHDC WXUNUSED(hDC)) { return false; }
+#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK
+
     // common part of Show/HideWithEffect()
     bool MSWShowWithEffect(bool show,
                            wxShowEffect effect,