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LibGUI: Simplify RadioButton by using AbstractButton exclusive mode

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Making an AbstractButton exclusive means that we enforce that only one
of the exclusive buttons within the same parent widget can be checked
at a time.

RadioButton was doing exactly the same thing, except in a custom way.
So just remove the custom code and make it exclusive. :^)
This commit is contained in:
Andreas Kling 2021-01-01 00:30:28 +01:00
parent f0482a4cab
commit 5e19e72a6a
3 changed files with 2 additions and 18 deletions
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16
Libraries/LibGUI/RadioButton.cpp
View file

@ -36,6 +36,7 @@ namespace GUI {
RadioButton::RadioButton(String text)
: AbstractButton(move(text))
{
set_exclusive(true);
set_min_width(32);
set_fixed_height(22);
}
@ -73,25 +74,10 @@ void RadioButton::paint_event(PaintEvent& event)
painter.draw_focus_rect(text_rect.inflated(6, 6), palette().focus_outline());
}
template<typename Callback>
void RadioButton::for_each_in_group(Callback callback)
{
if (!parent())
return;
parent()->for_each_child_of_type<RadioButton>([&](auto& child) {
return callback(downcast<RadioButton>(child));
});
}
void RadioButton::click(unsigned)
{
if (!is_enabled())
return;
for_each_in_group([this](auto& button) {
if (&button != this)
button.set_checked(false);
return IterationDecision::Continue;
});
set_checked(true);
}