/////////////////////////////////////////////////////////////////////////////
-// Name: msw/scrolbar.cpp
+// Name: src/msw/scrolbar.cpp
// Purpose: wxScrollBar
// Author: Julian Smart
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "scrolbar.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_SCROLLBAR
+#include "wx/scrolbar.h"
+
#ifndef WX_PRECOMP
#include "wx/utils.h"
+ #include "wx/settings.h"
#endif
-#include "wx/scrolbar.h"
#include "wx/msw/private.h"
-#include "wx/settings.h"
#if wxUSE_EXTENDED_RTTI
WX_DEFINE_FLAGS( wxScrollBarStyle )
IMPLEMENT_DYNAMIC_CLASS_XTI(wxScrollBar, wxControl,"wx/scrolbar.h")
wxBEGIN_PROPERTIES_TABLE(wxScrollBar)
- wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxScrollEvent )
+ wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxScrollEvent )
wxPROPERTY( ThumbPosition , int , SetThumbPosition, GetThumbPosition, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
wxPROPERTY( Range , int , SetRange, GetRange, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
}
#endif
-#if defined(__WIN95__)
// A page size greater than one has the effect of reducing the effective
// range, therefore the range has already been boosted artificially - so
// reduce it again.
if ( m_pageSize > 1 )
maxPos -= (m_pageSize - 1);
-#endif // __WIN95__
wxEventType scrollEvent = wxEVT_NULL;
int nScrollInc;
switch ( wParam )
{
- case SB_BOTTOM:
+ case SB_TOP:
nScrollInc = maxPos - position;
scrollEvent = wxEVT_SCROLL_TOP;
break;
- case SB_TOP:
+ case SB_BOTTOM:
nScrollInc = -position;
scrollEvent = wxEVT_SCROLL_BOTTOM;
break;
case SB_ENDSCROLL:
nScrollInc = 0;
- scrollEvent = wxEVT_SCROLL_ENDSCROLL;
+ scrollEvent = wxEVT_SCROLL_CHANGED;
break;
default:
SetThumbPosition(position);
}
else if ( scrollEvent != wxEVT_SCROLL_THUMBRELEASE &&
- scrollEvent != wxEVT_SCROLL_ENDSCROLL )
+ scrollEvent != wxEVT_SCROLL_CHANGED )
{
// don't process the event if there is no displacement,
// unless this is a thumb release or end scroll event.
event.SetPosition(position);
event.SetEventObject( this );
- return GetEventHandler()->ProcessEvent(event);
+ return HandleWindowEvent(event);
}
void wxScrollBar::SetThumbPosition(int viewStart)
{
-#if defined(__WIN95__)
SCROLLINFO info;
info.cbSize = sizeof(SCROLLINFO);
info.nPage = 0;
info.fMask = SIF_POS ;
::SetScrollInfo((HWND) GetHWND(), SB_CTL, &info, TRUE);
-#else
- ::SetScrollPos((HWND) GetHWND(), SB_CTL, viewStart, TRUE);
-#endif
}
int wxScrollBar::GetThumbPosition(void) const
void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize,
bool refresh)
{
- m_viewSize = pageSize;
- m_pageSize = thumbSize;
- m_objectSize = range;
-
- // The range (number of scroll steps) is the
- // object length minus the page size.
- int range1 = wxMax((m_objectSize - m_pageSize), 0) ;
-
-#if defined(__WIN95__)
- // Try to adjust the range to cope with page size > 1
- // (see comment for SetPageLength)
- if ( m_pageSize > 1 )
- {
- range1 += (m_pageSize - 1);
- }
-
- SCROLLINFO info;
- info.cbSize = sizeof(SCROLLINFO);
- info.nPage = m_pageSize;
- info.nMin = 0;
- info.nMax = range1;
- info.nPos = position;
-
- info.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
-
- ::SetScrollInfo((HWND) GetHWND(), SB_CTL, &info, refresh);
-#else
- ::SetScrollPos((HWND)m_hWnd, SB_CTL, position, refresh);
- ::SetScrollRange((HWND)m_hWnd, SB_CTL, 0, range1, refresh);
-#endif
+ m_viewSize = pageSize;
+ m_pageSize = thumbSize;
+ m_objectSize = range;
+
+ // The range (number of scroll steps) is the
+ // object length minus the page size.
+ int range1 = wxMax((m_objectSize - m_pageSize), 0) ;
+
+ // Try to adjust the range to cope with page size > 1
+ // (see comment for SetPageLength)
+ if ( m_pageSize > 1 )
+ {
+ range1 += (m_pageSize - 1);
+ }
+
+ SCROLLINFO info;
+ info.cbSize = sizeof(SCROLLINFO);
+ info.nPage = m_pageSize;
+ info.nMin = 0;
+ info.nMax = range1;
+ info.nPos = position;
+
+ info.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
+
+ ::SetScrollInfo((HWND) GetHWND(), SB_CTL, &info, refresh);
}
void wxScrollBar::Command(wxCommandEvent& event)
return msStyle;
}
-WXHBRUSH wxScrollBar::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd)
+WXHBRUSH wxScrollBar::MSWControlColor(WXHDC pDC, WXHWND hWnd)
{
- HDC hdc = (HDC)pDC;
- if ( m_hasFgCol )
- {
- ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
- }
-
- WXHBRUSH hbr = 0;
- return hbr;
+ // unless we have an explicitly set bg colour, use default (gradient under
+ // XP) brush instead of GetBackgroundColour() one as the base class would
+ //
+ // note that fg colour isn't used for a scrollbar
+ return UseBgCol() ? wxControl::MSWControlColor(pDC, hWnd) : NULL;
}
#endif // wxUSE_SCROLLBAR