Don't create multiple parent-less top level frames in layout sample.

[wxWidgets.git] / include / wx / msw / window.h

diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h
index 5b41235d9f730c277ada46615084224683813e61..02e2fb5ce7002f86a9536232ed06c2b5d7a19704 100644 (file)
--- a/include/wx/msw/window.h
+++ b/include/wx/msw/window.h
@@ -67,6 +67,9 @@ public:
     virtual void Raise();
     virtual void Lower();
 
+    virtual bool BeginRepositioningChildren();
+    virtual void EndRepositioningChildren();
+
     virtual bool Show(bool show = true);
     virtual bool ShowWithEffect(wxShowEffect effect,
                                 unsigned timeout = 0)
@@ -345,12 +348,13 @@ public:
 
     bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags);
     bool HandleMouseMove(int x, int y, WXUINT flags);
-    bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam);
+    bool HandleMouseWheel(wxMouseWheelAxis axis,
+                          WXWPARAM wParam, WXLPARAM lParam);
 
     bool HandleChar(WXWPARAM wParam, WXLPARAM lParam);
     bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam);
     bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam);
-#if wxUSE_ACCEL
+#if wxUSE_HOTKEY
     bool HandleHotKey(WXWPARAM wParam, WXLPARAM lParam);
 #endif
 #ifdef __WIN32__
@@ -366,7 +370,21 @@ public:
     bool HandlePower(WXWPARAM wParam, WXLPARAM lParam, bool *vetoed);
 
 
-    // Window procedure
+    // The main body of common window proc for all wxWindow objects. It tries
+    // to handle the given message and returns true if it was handled (the
+    // appropriate return value is then put in result, which must be non-NULL)
+    // or false if it wasn't.
+    //
+    // This function should be overridden in any new code instead of
+    // MSWWindowProc() even if currently most of the code overrides
+    // MSWWindowProc() as it had been written before this function was added.
+    virtual bool MSWHandleMessage(WXLRESULT *result,
+                                  WXUINT message,
+                                  WXWPARAM wParam,
+                                  WXLPARAM lParam);
+
+    // Common Window procedure for all wxWindow objects: forwards to
+    // MSWHandleMessage() and MSWDefWindowProc() if the message wasn't handled.
     virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 
     // Calls an appropriate default window procedure
@@ -395,6 +413,17 @@ public:
     // weird wxToolBar case and MSWGetBgBrushForChild() itself is used by
     // MSWGetBgBrush() to actually find the right brush to use.
 
+    // Adjust the origin for the brush returned by MSWGetBgBrushForChild().
+    //
+    // This needs to be overridden for scrolled windows to ensure that the
+    // scrolling of their associated DC is taken into account.
+    //
+    // Both parameters must be non-NULL.
+    virtual void MSWAdjustBrushOrg(int* WXUNUSED(xOrg),
+                                   int* WXUNUSED(yOrg)) const
+    {
+    }
+
     // The brush returned from here must remain valid at least until the next
     // event loop iteration. Returning 0, as is done by default, indicates
     // there is no custom background brush.
@@ -453,7 +482,13 @@ public:
     // This should be overridden to return true for the controls which have
     // themed background that should through their children. Currently only
     // wxNotebook uses this.
-    virtual bool MSWHasInheritableBackground() const { return false; }
+    //
+    // The base class version already returns true if we have a solid
+    // background colour that should be propagated to our children.
+    virtual bool MSWHasInheritableBackground() const
+    {
+        return InheritsBackgroundColour();
+    }
 
 #if !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
     #define wxHAS_MSW_BACKGROUND_ERASE_HOOK