X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b6885972eeaa04d4362950e0863e5e07da2770fd..cb8ae61385f1c65552585cb55d8f7bd9f1f690b4:/include/wx/msw/window.h

diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h
index fe5dc28d9e..6526461c31 100644
--- a/include/wx/msw/window.h
+++ b/include/wx/msw/window.h
@@ -366,7 +366,21 @@ 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
@@ -388,6 +402,18 @@ public:
     virtual void MSWDestroyWindow();
 
 
+    // Functions dealing with painting the window background. The derived
+    // classes should normally only need to reimplement MSWGetBgBrush() if they
+    // need to use a non-solid brush for erasing their background. This
+    // function is called by MSWGetBgBrushForChild() which only exists for the
+    // weird wxToolBar case and MSWGetBgBrushForChild() itself is used by
+    // MSWGetBgBrush() to actually find the right brush to use.
+
+    // 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.
+    virtual WXHBRUSH MSWGetCustomBgBrush() { return 0; }
+
     // this function should return the brush to paint the children controls
     // background or 0 if this window doesn't impose any particular background
     // on its children
@@ -441,7 +467,13 @@ 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
@@ -587,6 +619,14 @@ protected:
                               WXWPARAM wParam,
                               WXLPARAM lParam = 0) const;
 
+    // Another helper for creating wxKeyEvent for wxEVT_CHAR and related types.
+    //
+    // The wParam and lParam here must come from WM_CHAR event parameters, i.e.
+    // wParam must be a character and not a virtual code.
+    wxKeyEvent CreateCharEvent(wxEventType evType,
+                               WXWPARAM wParam,
+                               WXLPARAM lParam) const;
+
 
     // default OnEraseBackground() implementation, return true if we did erase
     // the background, false otherwise (i.e. the system should erase it)
@@ -648,26 +688,6 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
-// ----------------------------------------------------------------------------
-// inline functions
-// ----------------------------------------------------------------------------
-
-// ---------------------------------------------------------------------------
-// global functions
-// ---------------------------------------------------------------------------
-
-// key codes translation between wx and MSW
-
-// Translate MSW virtual key code to wx key code. lParam is used to distinguish
-// between numpad and extended version of the keys, extended is assumed by
-// default if lParam == 0.
-WXDLLIMPEXP_CORE int wxCharCodeMSWToWX(WXWORD vk, WXLPARAM lParam = 0);
-
-// Translate wxKeyCode enum element (passed as int for compatibility reasons)
-// to MSW virtual key code. isExtended is set to true if the key corresponds to
-// a non-numpad version of a key that exists both on numpad and outside it.
-WXDLLIMPEXP_CORE WXWORD wxCharCodeWXToMSW(int id, bool *isExtended = NULL);
-
 // window creation helper class: before creating a new HWND, instantiate an
 // object of this class on stack - this allows to process the messages sent to
 // the window even before CreateWindow() returns