fixed mouse input handling in wxUniv: the static boxes ust be transparent

or the windows inside them don't get any mouse events at all


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14318 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/univ/statbox.h

@@ -58,6 +58,10 @@ protected:
     // get the size of the border
     wxRect GetBorderGeometry() const;
 
+    // returning TRUE from here ensures that we act as a container window for
+    // our children
+    virtual bool IsStaticBox() const { return TRUE; }
+
 private:
     DECLARE_DYNAMIC_CLASS(wxStaticBox)
 };

include/wx/univ/window.h

@@ -175,6 +175,10 @@ public:
     bool UseFgCol() const { return m_hasFgCol; }
     bool UseFont() const { return m_hasFont; }
 
+    // return TRUE if this window serves as a container for the other windows
+    // only and doesn't get any input itself
+    virtual bool IsStaticBox() const { return FALSE; }
+
     // returns the (low level) renderer to use for drawing the control by
     // querying the current theme
     wxRenderer *GetRenderer() const { return m_renderer; }
@@ -265,6 +269,11 @@ protected:
     // is the mouse currently inside the window?
     bool m_isCurrent:1;
 
+#ifdef __WXMSW__
+    // override MSWWindowProc() to process WM_NCHITTEST
+    long MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
+#endif // __WXMSW__
+
 private:
     // the window scrollbars
     wxScrollBar *m_scrollbarHorz,

src/msw/window.cpp

@@ -2709,21 +2709,6 @@ long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam
             }
             break;
 #endif // __WIN32__
-
-            // unfortunately this doesn't really work as then window which
-            // doesn't accept focus doesn't get any mouse events neither which
-            // means it can't get any input at all
-#if 0 //def __WXUNIVERSAL__
-        case WM_NCHITTEST:
-            // we shouldn't allow the windows which don't want to get focus to
-            // get it
-            if ( !AcceptsFocus() )
-            {
-                rc.result = HTTRANSPARENT;
-                processed = TRUE;
-            }
-            break;
-#endif // __WXUNIVERSAL__
     }
 
     if ( !processed )

src/univ/winuniv.cpp

@@ -1100,3 +1100,29 @@ void wxWindow::OnKeyUp(wxKeyEvent& event)
 
 #endif // wxUSE_MENUS
 
+// ----------------------------------------------------------------------------
+// MSW-specific section
+// ----------------------------------------------------------------------------
+
+#ifdef __WXMSW__
+
+#include "wx/msw/private.h"
+
+long wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+{
+    if ( message == WM_NCHITTEST )
+    {
+        // the windows which contain the other windows should let the mouse
+        // events through, otherwise a window inside a static box would
+        // never get any events at all
+        if ( IsStaticBox() )
+        {
+            return HTTRANSPARENT;
+        }
+    }
+
+    return wxWindowNative::MSWWindowProc(message, wParam, lParam);
+}
+
+#endif // __WXMSW__
+