X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b07664068bc48173d08e3146ca05dceac275aa6a..3cd94a0d119ade811cd876a309cfe6d28b5c36dd:/src/msw/scrolbar.cpp

diff --git a/src/msw/scrolbar.cpp b/src/msw/scrolbar.cpp
index de8ae01ae0..7c32db671e 100644
--- a/src/msw/scrolbar.cpp
+++ b/src/msw/scrolbar.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        scrolbar.cpp
+// Name:        msw/scrolbar.cpp
 // Purpose:     wxScrollBar
 // Author:      Julian Smart
 // Modified by:
@@ -10,19 +10,20 @@
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
-#pragma implementation "scrolbar.h"
+    #pragma implementation "scrolbar.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
+#if wxUSE_SCROLLBAR
+
 #ifndef WX_PRECOMP
-#include "wx/defs.h"
-#include "wx/utils.h"
+    #include "wx/utils.h"
 #endif
 
 #include "wx/scrolbar.h"
@@ -138,13 +139,13 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
     int nScrollInc;
     switch ( wParam )
     {
-        case SB_TOP:
+        case SB_BOTTOM:
             nScrollInc = maxPos - position;
             scrollEvent = wxEVT_SCROLL_TOP;
             break;
 
-        case SB_BOTTOM:
-            nScrollInc = - position;
+        case SB_TOP:
+            nScrollInc = -position;
             scrollEvent = wxEVT_SCROLL_BOTTOM;
             break;
 
@@ -178,27 +179,36 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
             scrollEvent = wxEVT_SCROLL_THUMBTRACK;
             break;
 
+        case SB_ENDSCROLL:
+            nScrollInc = 0;
+            scrollEvent = wxEVT_SCROLL_ENDSCROLL;
+            break;
+
         default:
             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 ))
+    if ( nScrollInc )
     {
-        return FALSE;
-    }
+        position += nScrollInc;
 
-    int new_pos = position + nScrollInc;
+        if ( position < 0 )
+            position = 0;
+        if ( position > maxPos )
+            position = maxPos;
 
-    if (new_pos < 0)
-        new_pos = 0;
-    if (new_pos > maxPos)
-        new_pos = maxPos;
+        SetThumbPosition(position);
+    }
+    else if ( scrollEvent != wxEVT_SCROLL_THUMBRELEASE &&
+                scrollEvent != wxEVT_SCROLL_ENDSCROLL )
+    {
+        // don't process the event if there is no displacement,
+        // unless this is a thumb release or end scroll event.
+        return FALSE;
+    }
 
-    SetThumbPosition(new_pos);
     wxScrollEvent event(scrollEvent, m_windowId);
-    event.SetPosition(new_pos);
+    event.SetPosition(position);
     event.SetEventObject( this );
 
     return GetEventHandler()->ProcessEvent(event);
@@ -357,3 +367,5 @@ void wxScrollBar::OnScroll(wxScrollEvent& event)
     }
 }
 #endif
+
+#endif // wxUSE_SCROLLBAR