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Make <a-space> throw on invalid index or last selection

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This commit is contained in:
Maxime Coste 2017-03-03 17:05:58 +00:00
parent e3cfde6d07
commit 8a1e5d12ac
1 changed files with 10 additions and 7 deletions
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17
src/normal.cc
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@ -1710,13 +1710,16 @@ void remove_selection(Context& context, NormalParams p)
{
auto& selections = context.selections();
const int index = p.count ? p.count-1 : selections.main_index();
if (selections.size() > 1 and index < selections.size())
{
selections.remove(index);
size_t main_index = selections.main_index();
if (index < main_index or main_index == selections.size())
selections.set_main_index(main_index - 1);
}
if (index >= selections.size())
throw runtime_error{format("There is not {}th selection", index)};
if (selections.size() == 1)
throw runtime_error{"Cannot remove the last selection"};
selections.remove(index);
size_t main_index = selections.main_index();
if (index < main_index or main_index == selections.size())
selections.set_main_index(main_index - 1);
selections.check_invariant();
}