docking hint bug fix

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

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 6908a7b317e5c7e22eb586056ac1cb7c160ac339..89faa57b7fd095c7f58fc8bf4d0d07a4d0cc6d12 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -93,6 +93,7 @@
 
 #include "wx/notebook.h"
 #include "wx/listctrl.h"
+#include "wx/dynlib.h"
 
 #include <string.h>
 
@@ -119,7 +120,7 @@
 #endif
 #endif
 
-#if defined(TME_LEAVE) && defined(WM_MOUSELEAVE)
+#if defined(TME_LEAVE) && defined(WM_MOUSELEAVE) && wxUSE_DYNLIB_CLASS
     #define HAVE_TRACKMOUSEEVENT
 #endif // everything needed for TrackMouseEvent()
 
@@ -1539,9 +1540,13 @@ void wxWindowMSW::Update()
 // drag and drop
 // ---------------------------------------------------------------------------
 
+#if wxUSE_DRAG_AND_DROP || !defined(__WXWINCE__)
+
+#if wxUSE_STATBOX
+
 // we need to lower the sibling static boxes so controls contained within can be
 // a drop target
-static inline void AdjustStaticBoxZOrder(wxWindow *parent)
+static void AdjustStaticBoxZOrder(wxWindow *parent)
 {
     // no sibling static boxes if we have no parent (ie TLW)
     if ( !parent )
@@ -1560,6 +1565,16 @@ static inline void AdjustStaticBoxZOrder(wxWindow *parent)
     }
 }
 
+#else // !wxUSE_STATBOX
+
+static inline void AdjustStaticBoxZOrder(wxWindow * WXUNUSED(parent))
+{
+}
+
+#endif // wxUSE_STATBOX/!wxUSE_STATBOX
+
+#endif // drag and drop is used
+
 #if wxUSE_DRAG_AND_DROP
 void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget)
 {
@@ -1703,7 +1718,7 @@ void wxWindowMSW::DoGetPosition(int *x, int *y) const
         {
             if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
             {
-                // In RTL mode, we want the logical left x-coordinate, 
+                // In RTL mode, we want the logical left x-coordinate,
                 // which would be the physical right x-coordinate.
                 point.x = rect.right;
             }
@@ -2630,7 +2645,8 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
 
 #ifdef HAVE_TRACKMOUSEEVENT
         case WM_MOUSELEAVE:
-            // filter out excess WM_MOUSELEAVE events sent after PopupMenu() (on XP at least)
+            // filter out excess WM_MOUSELEAVE events sent after PopupMenu()
+            // (on XP at least)
             if ( m_mouseInWindow )
             {
                 GenerateMouseLeave();
@@ -3950,6 +3966,19 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam),
 #endif
 }
 
+bool wxWindowMSW::IsDoubleBuffered() const
+{
+    for ( const wxWindowMSW *wnd = this;
+          wnd && !wnd->IsTopLevel(); wnd =
+          wnd->GetParent() )
+    {
+        if ( ::GetWindowLong(GetHwndOf(wnd), GWL_EXSTYLE) & WS_EX_COMPOSITED )
+            return true;
+    }
+
+    return false;
+}
+
 // ---------------------------------------------------------------------------
 // owner drawn stuff
 // ---------------------------------------------------------------------------
@@ -4905,14 +4934,41 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
             m_mouseInWindow = true;
 
 #ifdef HAVE_TRACKMOUSEEVENT
-            WinStruct<TRACKMOUSEEVENT> trackinfo;
+            typedef BOOL (WINAPI *_TrackMouseEvent_t)(LPTRACKMOUSEEVENT);
+#ifdef __WXWINCE__
+            static const _TrackMouseEvent_t
+                s_pfn_TrackMouseEvent = _TrackMouseEvent;
+#else // !__WXWINCE__
+            static _TrackMouseEvent_t s_pfn_TrackMouseEvent;
+            static bool s_initDone = false;
+            if ( !s_initDone )
+            {
+                wxLogNull noLog;
 
-            trackinfo.dwFlags = TME_LEAVE;
-            trackinfo.hwndTrack = GetHwnd();
+                wxDynamicLibrary dllComCtl32(_T("comctl32.dll"), wxDL_VERBATIM);
+                if ( dllComCtl32.IsLoaded() )
+                {
+                    s_pfn_TrackMouseEvent = (_TrackMouseEvent_t)
+                        dllComCtl32.GetSymbol(_T("_TrackMouseEvent"));
+                }
 
-            // Use the commctrl.h _TrackMouseEvent(), which will call the real
-            // TrackMouseEvent() if available or emulate it
-            _TrackMouseEvent(&trackinfo);
+                s_initDone = true;
+
+                // notice that it's ok to unload comctl32.dll here as it won't
+                // be really unloaded, being still in use because we link to it
+                // statically too
+            }
+
+            if ( s_pfn_TrackMouseEvent )
+#endif // __WXWINCE__/!__WXWINCE__
+            {
+                WinStruct<TRACKMOUSEEVENT> trackinfo;
+
+                trackinfo.dwFlags = TME_LEAVE;
+                trackinfo.hwndTrack = GetHwnd();
+
+                (*s_pfn_TrackMouseEvent)(&trackinfo);
+            }
 #endif // HAVE_TRACKMOUSEEVENT
 
             wxMouseEvent event(wxEVT_ENTER_WINDOW);
@@ -4922,7 +4978,7 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
         }
     }
 #ifdef HAVE_TRACKMOUSEEVENT
-    else
+    else // mouse not in window
     {
         // Check if we need to send a LEAVE event
         // Windows doesn't send WM_MOUSELEAVE if the mouse has been captured so