Applied #486410

[wxWidgets.git] / src / msw / window.cpp

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index bcbc9cfe08870937032b3e3bbb3ddf5c18f8c7c5..2979f857d53402b70a0413ec1c853225fed2ad18 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -825,36 +825,23 @@ int wxWindowMSW::GetScrollThumb(int orient) const
 
 void wxWindowMSW::SetScrollPos(int orient, int pos, bool refresh)
 {
-#if defined(__WIN95__)
-    SCROLLINFO info;
-    int dir;
+    HWND hWnd = GetHwnd();
+    wxCHECK_RET( hWnd, _T("SetScrollPos: no HWND") );
 
-    if ( orient == wxHORIZONTAL ) {
-        dir = SB_HORZ;
-    } else {
-        dir = SB_VERT;
-    }
+    int dir = orient == wxHORIZONTAL ? SB_HORZ : SB_VERT;
 
+#if defined(__WIN95__)
+    SCROLLINFO info;
     info.cbSize = sizeof(SCROLLINFO);
     info.nPage = 0;
     info.nMin = 0;
     info.nPos = pos;
     info.fMask = SIF_POS;
 
-    HWND hWnd = GetHwnd();
-    if ( hWnd )
-        ::SetScrollInfo(hWnd, dir, &info, refresh);
-#else
-    int wOrient;
-    if ( orient == wxHORIZONTAL )
-        wOrient = SB_HORZ;
-    else
-        wOrient = SB_VERT;
-
-    HWND hWnd = GetHwnd();
-    if ( hWnd )
-        ::SetScrollPos(hWnd, wOrient, pos, refresh);
-#endif
+    ::SetScrollInfo(hWnd, dir, &info, refresh);
+#else // !__WIN95__
+    ::SetScrollPos(hWnd, dir, pos, refresh);
+#endif // __WIN95__/!__WIN95__
 }
 
 // New function that will replace some of the above.
@@ -3270,7 +3257,11 @@ bool wxWindowMSW::HandleSysColorChange()
     wxSysColourChangedEvent event;
     event.SetEventObject(this);
 
-    return GetEventHandler()->ProcessEvent(event);
+    (void)GetEventHandler()->ProcessEvent(event);
+
+    // always let the system carry on the default processing to allow the
+    // native controls to react to the colours update
+    return FALSE;
 }
 
 bool wxWindowMSW::HandleCtlColor(WXHBRUSH *brush,
@@ -3337,19 +3328,35 @@ bool wxWindowMSW::HandleQueryNewPalette()
 // Responds to colour changes: passes event on to children.
 void wxWindowMSW::OnSysColourChanged(wxSysColourChangedEvent& event)
 {
-    wxNode *node = GetChildren().First();
+    wxWindowList::Node *node = GetChildren().GetFirst();
     while ( node )
     {
-        // Only propagate to non-top-level windows
-        wxWindow *win = (wxWindow *)node->Data();
-        if ( win->GetParent() )
+        // Only propagate to non-top-level windows because Windows already
+        // sends this event to all top-level ones
+        wxWindow *win = node->GetData();
+        if ( !win->IsTopLevel() )
         {
-            wxSysColourChangedEvent event2;
-            event.m_eventObject = win;
-            win->GetEventHandler()->ProcessEvent(event2);
+            // we need to send the real WM_SYSCOLORCHANGE and not just trigger
+            // EVT_SYS_COLOUR_CHANGED call because the latter wouldn't work for
+            // the standard controls
+            ::SendMessage(GetHwndOf(win), WM_SYSCOLORCHANGE, 0, 0);
         }
 
-        node = node->Next();
+        node = node->GetNext();
+    }
+
+    // update the colours we use if they were not set explicitly by the user:
+    // this must be done or OnCtlColor() would continue to use the old colours
+    if ( !m_hasFgCol )
+    {
+        m_foregroundColour = wxSystemSettings::
+                                GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
+    }
+
+    if ( !m_hasBgCol )
+    {
+        m_backgroundColour = wxSystemSettings::
+                                GetSystemColour(wxSYS_COLOUR_BTNFACE);
     }
 }
 
@@ -3536,17 +3543,19 @@ bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
 #endif // wxUSE_MENUS_NATIVE
 
     wxWindow *win = NULL;
-    if ( cmd == 0 || cmd == 1 ) // menu or accel - use id
+
+    // first try to find it from HWND - this works even with the broken
+    // programs using the same ids for different controls
+    if ( control )
     {
-        // must cast to a signed type before comparing with other ids!
-        win = FindItem((signed short)id);
+        win = wxFindWinFromHandle(control);
     }
 
-    if ( !win && control )
+    // try the id
+    if ( !win )
     {
-        // find it from HWND - this works even with the broken programs using
-        // the same ids for different controls
-        win = wxFindWinFromHandle(control);
+        // must cast to a signed type before comparing with other ids!
+        win = FindItem((signed short)id);
     }
 
     if ( win )