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attemps to make listbox refreshing to work - failed

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/wxUNIVERSAL@8239 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-09-01 20:17:10 +00:00
parent 7ba00152a6
commit afcd76dae8
4 changed files with 52 additions and 17 deletions
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26
src/univ/listbox.cpp
View File

@@ -264,6 +264,15 @@ int wxListBox::GetSelections(wxArrayInt& selections) const
// added/deleted/changed subsequently
// ----------------------------------------------------------------------------
void wxListBox::Refresh(bool eraseBackground, const wxRect *rect)
{
// do nothing here if we didn't call it ourselves
if ( m_updateCount )
{
wxControl::Refresh(eraseBackground, rect);
}
}
void wxListBox::RefreshItems(int from, int count)
{
switch ( m_updateCount )
@@ -342,14 +351,16 @@ void wxListBox::OnIdle(wxIdleEvent& event)
}
else
{
wxLogTrace(_T("listbox"), _T("Refreshing items %d..%d"),
m_updateFrom, m_updateFrom + m_updateCount);
wxRect rect;
rect.x = 0;
rect.y = m_updateFrom*GetLineHeight();
rect.width = 32767; // larger than our size
rect.height = m_updateCount*GetLineHeight();
wxLogTrace(_T("listbox"), _T("Refreshing items %d..%d (%d-%d)"),
m_updateFrom, m_updateFrom + m_updateCount,
rect.GetTop(), rect.GetBottom());
Refresh(TRUE, &rect);
}
@@ -376,7 +387,8 @@ void wxListBox::DoDraw(wxControlRenderer *renderer)
GetViewStart(NULL, &y);
#endif
wxCoord lineHeight = GetLineHeight();
wxRect rectUpdate = GetUpdateRegion().GetBox();
wxRegion rgnUpdate = GetUpdateRegion();
wxRect rectUpdate = rgnUpdate.GetBox();
size_t itemFirst = rectUpdate.GetTop() / lineHeight,
itemLast = (rectUpdate.GetBottom() + lineHeight - 1) / lineHeight,
itemMax = m_strings.GetCount();
@@ -390,6 +402,7 @@ void wxListBox::DoDraw(wxControlRenderer *renderer)
// do draw them
wxLogTrace(_T("listbox"), _T("Repainting items %d..%d"),
itemFirst, itemLast);
dc.SetClippingRegion(rgnUpdate);
renderer->DrawItems(this, itemFirst, itemLast);
}
@@ -411,7 +424,7 @@ bool wxListBox::SetFont(const wxFont& font)
void wxListBox::CalcItemsPerPage()
{
m_lineHeight = wxClientDC(this).GetCharHeight();
m_lineHeight = wxClientDC(this).GetCharHeight() + 2;
m_itemsPerPage = GetClientSize().y / m_lineHeight;
}
@@ -671,7 +684,8 @@ bool wxStdListboxInputHandler::HandleMouse(wxControl *control,
bool wxStdListboxInputHandler::HandleMouseMove(wxControl *control,
const wxMouseEvent& event)
{
return wxStdInputHandler::HandleMouseMove(control, event);
// we don't react to this at all
return FALSE;
}
#endif // wxUSE_LISTBOX