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LibGUI: Add an "exclusive" property to GAbstractButtons.

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This makes checkable buttons exclusive with other checkable buttons in the
same parent widget. Basically like radio buttons. This should probably be
used to implement GRadioButton once it's a bit more mature.
This commit is contained in:
Andreas Kling
2019-06-12 05:57:26 +02:00
parent cadc65a82d
commit d7756fc09f
4 changed files with 31 additions and 0 deletions
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14
LibGUI/GAbstractButton.cpp
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@@ -29,6 +29,20 @@ void GAbstractButton::set_checked(bool checked)
if (m_checked == checked)
return;
m_checked = checked;
if (is_exclusive() && checked) {
parent_widget()->for_each_child_of_type<GAbstractButton>([&] (auto& sibling) {
if (!sibling.is_exclusive() || !sibling.is_checkable() || !sibling.is_checked())
return IterationDecision::Continue;
sibling.m_checked = false;
sibling.update();
if (sibling.on_checked)
sibling.on_checked(false);
return IterationDecision::Continue;
});
m_checked = true;
}
update();
if (on_checked)
on_checked(checked);