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Set HDS_NOSIZING in wxHeaderCtrl when appropriate

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Native Windows header control doesn't have the ability to show
per-column resizing cursor and it's only possible to enable or disable
it for the entire control, so we can't fully support the wxHeaderColumn
API. But we can at least hide the resizing cursor if none of the columns
are resizable.
This commit is contained in:
Václav Slavík 2016-10-19 16:43:58 +02:00 committed by Václav Slavík
parent 0afb95d2f4
commit 92a1f643ba
1 changed files with 21 additions and 0 deletions
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21
src/msw/headerctrl.cpp
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@ -386,6 +386,27 @@ void wxHeaderCtrl::DoInsertItem(const wxHeaderColumn& col, unsigned int idx)
{
wxLogLastError(wxT("Header_InsertItem()"));
}
// Resizing cursor that correctly reflects per-column IsResizable() cannot
// be implemented, it is per-control rather than per-column in the native
// control. Enable resizing cursor if at least one column is resizeble.
bool hasResizableColumns = false;
for ( unsigned n = 0; n < GetColumnCount(); n++ )
{
const wxHeaderColumn& c = GetColumn(n);
if (c.IsShown() && c.IsResizeable())
{
hasResizableColumns = true;
break;
}
}
long controlStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
if ( hasResizableColumns )
controlStyle &= ~HDS_NOSIZING;
else
controlStyle |= HDS_NOSIZING;
::SetWindowLong(GetHwnd(), GWL_STYLE, controlStyle);
}
void wxHeaderCtrl::DoSetColumnsOrder(const wxArrayInt& order)