Added scrolling of widgets to GTK 2.0.

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

diff --git a/src/msw/scrolbar.cpp b/src/msw/scrolbar.cpp
index 5cfec12c461085cfd062b98dd926d462b1e5e95c..7c32db671ed6f320ae12326566ce1a907b362ff0 100644 (file)
--- a/src/msw/scrolbar.cpp
+++ b/src/msw/scrolbar.cpp
@@ -139,13 +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;
 
@@ -179,27 +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);