X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ff654490b7cb185631a1dc4621094d88643ccf41..424da8bdb9f05243d8888d78a56ab0cc3f615a6c:/src/generic/dragimgg.cpp

diff --git a/src/generic/dragimgg.cpp b/src/generic/dragimgg.cpp
index 56ee35e91d..e4b50c9f34 100644
--- a/src/generic/dragimgg.cpp
+++ b/src/generic/dragimgg.cpp
@@ -69,13 +69,13 @@ void wxGenericDragImage::Init()
 {
     m_isDirty = false;
     m_isShown = false;
-    m_windowDC = (wxDC*) NULL;
-    m_window = (wxWindow*) NULL;
+    m_windowDC = NULL;
+    m_window = NULL;
     m_fullScreen = false;
 #ifdef wxHAS_NATIVE_OVERLAY
     m_dcOverlay = NULL;
 #else
-    m_pBackingBitmap = (wxBitmap*) NULL;
+    m_pBackingBitmap = NULL;
 #endif
 }
 
@@ -187,7 +187,7 @@ bool wxGenericDragImage::Create(const wxString& str, const wxCursor& cursor)
     dc2.SetFont(font);
     dc2.SetBackground(* wxWHITE_BRUSH);
     dc2.Clear();
-    dc2.SetBackgroundMode(wxTRANSPARENT);
+    dc2.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
     dc2.SetTextForeground(* wxLIGHT_GREY);
     dc2.DrawText(str, 0, 0);
     dc2.DrawText(str, 1, 0);
@@ -249,14 +249,14 @@ bool wxGenericDragImage::BeginDrag(const wxPoint& hotspot,
     m_isDirty = false;
     m_isDirty = false;
 
-    window->CaptureMouse();
-
     if (m_cursor.Ok())
     {
         m_oldCursor = window->GetCursor();
         window->SetCursor(m_cursor);
     }
 
+    window->CaptureMouse();
+
     // Make a copy of the window so we can repair damage done as the image is
     // dragged.
 
@@ -358,8 +358,7 @@ bool wxGenericDragImage::EndDrag()
 #else
         m_windowDC->DestroyClippingRegion();
 #endif
-        delete m_windowDC;
-        m_windowDC = (wxDC*) NULL;
+        wxDELETE(m_windowDC);
     }
 
 #ifndef wxHAS_NATIVE_OVERLAY
@@ -373,7 +372,7 @@ bool wxGenericDragImage::EndDrag()
 // is non-NULL, or in screen coordinates if NULL.
 bool wxGenericDragImage::Move(const wxPoint& pt)
 {
-    wxASSERT_MSG( (m_windowDC != (wxDC*) NULL), wxT("No window DC in wxGenericDragImage::Move()") );
+    wxASSERT_MSG( (m_windowDC != NULL), wxT("No window DC in wxGenericDragImage::Move()") );
 
     wxPoint pt2(pt);
     if (m_fullScreen)
@@ -397,7 +396,7 @@ bool wxGenericDragImage::Move(const wxPoint& pt)
 
 bool wxGenericDragImage::Show()
 {
-    wxASSERT_MSG( (m_windowDC != (wxDC*) NULL), wxT("No window DC in wxGenericDragImage::Show()") );
+    wxASSERT_MSG( (m_windowDC != NULL), wxT("No window DC in wxGenericDragImage::Show()") );
 
     // Show at the current position
 
@@ -435,7 +434,7 @@ bool wxGenericDragImage::UpdateBackingFromWindow(wxDC& windowDC, wxMemoryDC& des
 
 bool wxGenericDragImage::Hide()
 {
-    wxASSERT_MSG( (m_windowDC != (wxDC*) NULL), wxT("No window DC in wxGenericDragImage::Hide()") );
+    wxASSERT_MSG( (m_windowDC != NULL), wxT("No window DC in wxGenericDragImage::Hide()") );
 
     // Repair the old position
 
@@ -451,7 +450,7 @@ bool wxGenericDragImage::Hide()
 }
 
 // More efficient: erase and redraw simultaneously if possible
-bool wxGenericDragImage::RedrawImage(const wxPoint& WXUNUSED(oldPos),
+bool wxGenericDragImage::RedrawImage(const wxPoint& oldPos,
                                      const wxPoint& newPos,
                                      bool eraseOld, bool drawNew)
 {
@@ -459,6 +458,8 @@ bool wxGenericDragImage::RedrawImage(const wxPoint& WXUNUSED(oldPos),
         return false;
 
 #ifdef wxHAS_NATIVE_OVERLAY
+    wxUnusedVar(oldPos);
+
     wxDCOverlay dcoverlay( m_overlay, (wxWindowDC*) m_windowDC ) ;
     if ( eraseOld )
         dcoverlay.Clear() ;