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Make events match better with MSW

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53709 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2008-05-22 21:31:47 +00:00
parent eccec0f887
commit e8c72fce14
1 changed files with 76 additions and 4 deletions
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80
src/gtk/listbox.cpp
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@@ -126,25 +126,97 @@ gtk_listitem_changed_callback(GtkTreeSelection * WXUNUSED(selection),
{
wxArrayInt selections;
listbox->GetSelections( selections );
if ((selections.GetCount() == 0) && (listbox->m_oldSelection.GetCount() == 0))
{
// nothing changed, just leave
return;
}
if (selections.GetCount() == listbox->m_oldSelection.GetCount())
{
bool changed = false;
size_t idx;
for (idx = 0; idx < selections.GetCount(); idx++)
{
if (selections[idx] != listbox->m_oldSelection[idx])
{
changed = true;
break;
}
}
// nothing changed, just leave
if (!changed)
return;
}
if (selections.GetCount() == 0)
{
// indicate that this is a deselection
event.SetExtraLong( 0 );
event.SetInt( -1 );
// take first item in old selection
event.SetInt( listbox->m_oldSelection[0] );
event.SetString( listbox->GetString( listbox->m_oldSelection[0] ) );
listbox->m_oldSelection = selections;
listbox->HandleWindowEvent( event );
return;
}
else
// Now test if any new item is selected
bool any_new_selected = false;
size_t idx;
for (idx = 0; idx < selections.GetCount(); idx++)
{
int item = selections[idx];
if (listbox->m_oldSelection.Index(item) == wxNOT_FOUND)
{
event.SetInt( item );
event.SetString( listbox->GetString( item ) );
any_new_selected = true;
break;
}
}
if (any_new_selected)
{
// indicate that this is a selection
event.SetExtraLong( 1 );
event.SetInt( selections[0] );
listbox->m_oldSelection = selections;
listbox->HandleWindowEvent( event );
return;
}
// Now test if any new item is deselected
bool any_new_deselected = false;
for (idx = 0; idx < listbox->m_oldSelection.GetCount(); idx++)
{
int item = listbox->m_oldSelection[idx];
if (selections.Index(item) == wxNOT_FOUND)
{
event.SetInt( item );
event.SetString( listbox->GetString( item ) );
any_new_deselected = true;
break;
}
}
if (any_new_deselected)
{
// indicate that this is a selection
event.SetExtraLong( 0 );
listbox->m_oldSelection = selections;
listbox->HandleWindowEvent( event );
return;
}
wxLogError( wxT("Wrong wxListBox selection") );
}
else
{
@@ -842,7 +914,7 @@ void wxListBox::DoSetSelection( int n, bool select )
void wxListBox::GtkUpdateOldSelection()
{
if (HasFlag(wxLB_MULTIPLE))
if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED))
GetSelections( m_oldSelection );
}