// Start with a minimum size that's not too small
int cx, cy;
GetTextExtent( wxT("X"), &cx, &cy);
- int lbWidth = 3 * cx;
+ int lbWidth = 0;
int lbHeight = 10;
- // Get the visible area of the tree view (limit to the 10th item
- // so that it isn't too big)
- unsigned int count = GetCount();
- if (count)
+ // Find the widest string.
+ const unsigned int count = GetCount();
+ if ( count )
{
int wLine;
-
- // Find the widest line
- for(unsigned int i = 0; i < count; i++) {
- wxString str(GetString(i));
- GetTextExtent(str, &wLine, NULL);
- lbWidth = wxMax(lbWidth, wLine);
+ for ( unsigned int i = 0; i < count; i++ )
+ {
+ GetTextExtent(GetString(i), &wLine, NULL);
+ if ( wLine > lbWidth )
+ lbWidth = wLine;
}
+ }
- lbWidth += 3 * cx;
+ lbWidth += 3 * cx;
- // And just a bit more for the checkbox if present and then some
- // (these are rough guesses)
+ // And just a bit more for the checkbox if present and then some
+ // (these are rough guesses)
#if wxUSE_CHECKLISTBOX
- if ( m_hasCheckBoxes )
- {
- lbWidth += 35;
- cy = cy > 25 ? cy : 25; // rough height of checkbox
- }
-#endif
-
- // don't make the listbox too tall (limit height to around 10 items) but don't
- // make it too small neither
- lbHeight = (cy+4) * wxMin(wxMax(count, 3), 10);
+ if ( m_hasCheckBoxes )
+ {
+ lbWidth += 35;
+ cy = cy > 25 ? cy : 25; // rough height of checkbox
}
+#endif
// Add room for the scrollbar
lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
+ // Don't make the listbox too tall but don't make it too small neither
+ lbHeight = (cy+4) * wxMin(wxMax(count, 3), 10);
+
wxSize best(lbWidth, lbHeight);
CacheBestSize(best);
return best;