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move ScrollWindow() implementation to the base class and call private DoScrollHorz() from it

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57135 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-05 22:43:37 +00:00
parent a3e0efb6a4
commit d8fc3398ac
4 changed files with 29 additions and 19 deletions
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22
src/msw/headerctrl.cpp
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@@ -90,22 +90,14 @@ wxHeaderCtrl::~wxHeaderCtrl()
// wxHeaderCtrl scrolling
// ----------------------------------------------------------------------------
// as the native control doesn't support offsetting its contents, we use a hack
// here to make it appear correctly when the parent is scrolled: instead of
// scrolling or repainting we simply move the control window itself
void wxHeaderCtrl::ScrollWindow(int dx,
int WXUNUSED_UNLESS_DEBUG(dy),
const wxRect * WXUNUSED_UNLESS_DEBUG(rect))
void wxHeaderCtrl::DoScrollHorz(int dx)
{
// this doesn't make sense at all
wxASSERT_MSG( !dy, "header window can't be scrolled vertically" );
// this would actually be nice to support for "frozen" headers
wxASSERT_MSG( !rect, "header window can't be scrolled partially" );
// offset the window by the scroll increment to the left and increment its
// width to still extend to the right boundary to compensate for it (notice
// that dx is negative when scrolling to the right)
// as the native control doesn't support offsetting its contents, we use a
// hack here to make it appear correctly when the parent is scrolled:
// instead of scrolling or repainting we simply move the control window
// itself: to be precise, offset it by the scroll increment to the left and
// increment its width to still extend to the right boundary to compensate
// for it (notice that dx is negative when scrolling to the right)
SetSize(GetPosition().x + dx, -1, GetSize().x - dx, -1, wxSIZE_USE_EXISTING);
}