merged optimizations from 2.2

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

diff --git a/src/msw/scrolbar.cpp b/src/msw/scrolbar.cpp
index 955d42de97ddd91cf5c3b22ddcc0c39ed284c709..007c98067ffb9024d0ac6a5c106aea8755499e0d 100644 (file)
--- a/src/msw/scrolbar.cpp
+++ b/src/msw/scrolbar.cpp
@@ -28,7 +28,6 @@
 #include "wx/scrolbar.h"
 #include "wx/msw/private.h"
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)
 
 BEGIN_EVENT_TABLE(wxScrollBar, wxControl)
@@ -37,7 +36,6 @@ BEGIN_EVENT_TABLE(wxScrollBar, wxControl)
 #endif
 END_EVENT_TABLE()
 
-#endif
 
 // Scrollbar
 bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
@@ -50,7 +48,9 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
         return FALSE;
     parent->AddChild(this);
     SetName(name);
+#if wxUSE_VALIDATORS
     SetValidator(validator);
+#endif // wxUSE_VALIDATORS
     
     SetBackgroundColour(parent->GetBackgroundColour()) ;
     SetForegroundColour(parent->GetForegroundColour()) ;
@@ -163,8 +163,12 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
             scrollEvent = wxEVT_SCROLL_PAGEDOWN;
             break;
 
-        case SB_THUMBTRACK:
         case SB_THUMBPOSITION:
+            nScrollInc = pos - position;
+            scrollEvent = wxEVT_SCROLL_THUMBRELEASE;
+            break;
+
+        case SB_THUMBTRACK:
             nScrollInc = pos - position;
             scrollEvent = wxEVT_SCROLL_THUMBTRACK;
             break;
@@ -173,9 +177,10 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
             nScrollInc = 0;
     }
 
-    if ( nScrollInc == 0 )
+    // don't process the event if there is no displacement,
+    // unless this is a thumb release event.
+    if (( nScrollInc == 0 ) && ( scrollEvent != wxEVT_SCROLL_THUMBRELEASE ))
     {
-        // no event to process, so don't process it
         return FALSE;
     }