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don't lose the scroll offset when the window is repositioned

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57262 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-11 22:06:55 +00:00
parent 3454f80227
commit 38cd07c431
2 changed files with 20 additions and 1 deletions
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15
src/msw/headerctrl.cpp
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@@ -50,6 +50,7 @@ extern int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
void wxHeaderCtrl::Init()
{
m_imageList = NULL;
m_scrollOffset = 0;
}
bool wxHeaderCtrl::Create(wxWindow *parent,
@@ -96,6 +97,14 @@ wxHeaderCtrl::~wxHeaderCtrl()
// wxHeaderCtrl scrolling
// ----------------------------------------------------------------------------
void wxHeaderCtrl::DoSetSize(int x, int y,
int w, int h,
int sizeFlags)
{
wxHeaderCtrlBase::DoSetSize(x + m_scrollOffset, y, w - m_scrollOffset, h,
sizeFlags);
}
void wxHeaderCtrl::DoScrollHorz(int dx)
{
// as the native control doesn't support offsetting its contents, we use a
@@ -104,7 +113,11 @@ void wxHeaderCtrl::DoScrollHorz(int dx)
// 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);
m_scrollOffset += dx;
wxHeaderCtrlBase::DoSetSize(GetPosition().x + dx, -1,
GetSize().x - dx, -1,
wxSIZE_USE_EXISTING);
}
// ----------------------------------------------------------------------------