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LibGUI: Let Widgets track their focus proxy delegators
And update them on relevant events.
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parent
4aa608aa71
commit
3b18226fcb
2 changed files with 31 additions and 1 deletions
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@ -633,6 +633,11 @@ void Widget::update()
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if (rect().is_empty())
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return;
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update(rect());
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for (auto& it : m_focus_delegators) {
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if (!it.is_null() && !it->rect().is_empty())
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it->update(it->rect());
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}
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}
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void Widget::update(Gfx::IntRect const& rect)
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@ -726,10 +731,28 @@ void Widget::set_focus_proxy(Widget* proxy)
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{
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if (m_focus_proxy == proxy)
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return;
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if (proxy)
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proxy->add_focus_delegator(this);
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else if (m_focus_proxy)
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m_focus_proxy->remove_focus_delegator(this);
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m_focus_proxy = proxy;
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}
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void Widget::add_focus_delegator(Widget* delegator)
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{
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m_focus_delegators.remove_all_matching([&](auto& entry) {
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return entry.is_null() || entry == delegator;
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});
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m_focus_delegators.append(delegator);
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}
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void Widget::remove_focus_delegator(Widget* delegator)
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{
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m_focus_delegators.remove_first_matching([&](auto& entry) {
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return entry == delegator;
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});
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}
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FocusPolicy Widget::focus_policy() const
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{
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if (m_focus_proxy)
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