AuroraMiddleware/wxWidgets
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added ScrollLines/Pages

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11210 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2001-07-29 22:47:40 +00:00
parent c57e33394c
commit b9b3393e48
3 changed files with 30 additions and 0 deletions
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3
include/wx/msw/window.h
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@ -118,6 +118,9 @@ public:
virtual void ScrollWindow( int dx, int dy,
const wxRect* rect = (wxRect *) NULL );
virtual void ScrollLines(int lines);
virtual void ScrollPages(int pages);
#if wxUSE_DRAG_AND_DROP
virtual void SetDropTarget( wxDropTarget *dropTarget );
#endif // wxUSE_DRAG_AND_DROP

9
include/wx/window.h
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@ -663,6 +663,15 @@ public:
virtual void ScrollWindow( int dx, int dy,
const wxRect* rect = (wxRect *) NULL ) = 0;
// scrolls window by line/page: note that not all controls support this
virtual void ScrollLines(int WXUNUSED(lines)) { }
virtual void ScrollPages(int WXUNUSED(pages)) { }
void LineUp() { ScrollLines(-1); }
void LineDown() { ScrollLines(1); }
void PageUp() { ScrollPages(-1); }
void PageDown() { ScrollPages(1); }
// context-sensitive help
// ----------------------

18
src/msw/window.cpp
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@ -940,6 +940,24 @@ void wxWindowMSW::ScrollWindow(int dx, int dy, const wxRect *prect)
::ScrollWindow(GetHwnd(), dx, dy, prect ? &rect : NULL, NULL);
}
static void ScrollVertically(int kind, int count)
{
}
void wxWindowMSW::ScrollLines(int lines)
{
bool down = lines > 0;
ScrollVertically(down ? SB_LINEDOWN : SB_LINEUP, down ? lines : -lines);
}
void wxWindowMSW::ScrollPages(int pages)
{
bool down = pages > 0;
ScrollVertically(down ? SB_PAGEDOWN : SB_PAGEUP, down ? pages : -pages);
}
// ---------------------------------------------------------------------------
// subclassing
// ---------------------------------------------------------------------------