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Window: throw when multiselect results in no selections

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This commit is contained in:
Maxime Coste 2011-12-20 19:27:13 +00:00
parent 42a24895de
commit 7116ed6d61
1 changed files with 10 additions and 5 deletions
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15
src/window.cc
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@ -236,6 +236,11 @@ void Window::select(const Selector& selector, bool append)
scroll_to_keep_cursor_visible_ifn();
}
struct nothing_selected : public runtime_error
{
nothing_selected() : runtime_error("nothing was selected") {}
};
void Window::multi_select(const MultiSelector& selector)
{
check_invariant();
@ -247,11 +252,11 @@ void Window::multi_select(const MultiSelector& selector)
std::copy(selections.begin(), selections.end(),
std::back_inserter(new_selections));
}
if (not new_selections.empty())
{
m_selections = std::move(new_selections);
scroll_to_keep_cursor_visible_ifn();
}
if (new_selections.empty())
throw nothing_selected();
m_selections = std::move(new_selections);
scroll_to_keep_cursor_visible_ifn();
}
BufferString Window::selection_content() const