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LibGUI: Allow rollback of model editing delegate input

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In the StringModelEditingDelegate convenience class, we simply hook up
the escape key to editor rollback. This means you can cancel an ongoing
cell edit by pressing escape. :^)
This commit is contained in:
Andreas Kling 2020-08-28 20:50:12 +02:00
commit 12dfeb9845
Notes: sideshowbarker 2024-07-19 03:03:45 +09:00
2 changed files with 13 additions and 0 deletions
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9
Libraries/LibGUI/ModelEditingDelegate.h
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@ -49,6 +49,7 @@ public:
const Widget* widget() const { return m_widget; }
Function<void()> on_commit;
Function<void()> on_rollback;
virtual Variant value() const = 0;
virtual void set_value(const Variant&) = 0;
@ -64,6 +65,11 @@ protected:
if (on_commit)
on_commit();
}
void rollback()
{
if (on_rollback)
on_rollback();
}
const ModelIndex& index() const { return m_index; }
@ -84,6 +90,9 @@ public:
textbox->on_return_pressed = [this] {
commit();
};
textbox->on_escape_pressed = [this] {
rollback();
};
return textbox;
}
virtual Variant value() const override { return static_cast<const TextBox*>(widget())->text(); }