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fix for scrolling in checklistboxes (Win32 only)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1972 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 1999-03-24 23:38:24 +00:00
parent 9e3e082102
commit c4dbfe148c
1 changed files with 31 additions and 6 deletions
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29
src/msw/checklst.cpp
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@ -226,10 +226,24 @@ void wxCheckListBoxItem::Check(bool check)
m_nIndex = (size_t)index;
}
HWND hwndListbox = (HWND)m_pParent->GetHWND();
#ifdef __WIN32__
RECT rcUpdate;
if ( ::SendMessage(hwndListbox, LB_GETITEMRECT,
m_nIndex, (LPARAM)&rcUpdate) == LB_ERR )
{
wxLogDebug("LB_GETITEMRECT failed");
}
#else // Win16
// FIXME this doesn't work if the listbox is scrolled!
size_t nHeight = m_pParent->GetItemHeight();
size_t y = m_nIndex * nHeight;
RECT rcUpdate = { 0, y, GetDefaultMarginWidth(), y + nHeight};
InvalidateRect((HWND)m_pParent->GetHWND(), &rcUpdate, FALSE);
#endif // Win32/16
InvalidateRect(hwndListbox, &rcUpdate, FALSE);
wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId());
event.SetInt(m_nIndex);
@ -357,8 +371,19 @@ void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
{
// clicking on the item selects it, clicking on the checkmark toggles
if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) {
// FIXME better use LB_ITEMFROMPOINT perhaps?
#ifdef __WIN32__
size_t nItem = (size_t)::SendMessage
(
(HWND)GetHWND(),
LB_ITEMFROMPOINT,
0,
MAKELPARAM(event.GetX(), event.GetY())
);
#else // Win16
// FIXME this doesn't work when the listbox is scrolled!
size_t nItem = ((size_t)event.GetY()) / m_nItemHeight;
#endif // Win32/16
if ( nItem < (size_t)m_noItems )
GetItem(nItem)->Toggle();
//else: it's not an error, just click outside of client zone