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;
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);