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LibGUI: Add fallible variants of the GUI::Layout add/insert APIs
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parent
acd4cc97fc
commit
56c4f0aff5
2 changed files with 43 additions and 16 deletions
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@ -54,18 +54,28 @@ void Layout::notify_disowned(Badge<Widget>, Widget& widget)
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m_owner.clear();
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}
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void Layout::add_entry(Entry&& entry)
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ErrorOr<void> Layout::try_add_entry(Entry&& entry)
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{
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m_entries.append(move(entry));
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TRY(m_entries.try_append(move(entry)));
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if (m_owner)
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m_owner->notify_layout_changed({});
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return {};
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}
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void Layout::add_entry(Entry&& entry)
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{
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MUST(try_add_entry(move(entry)));
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}
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ErrorOr<void> Layout::try_add_spacer()
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{
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TRY(try_add_entry(Entry { .type = Entry::Type::Spacer }));
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return {};
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}
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void Layout::add_spacer()
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{
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Entry entry;
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entry.type = Entry::Type::Spacer;
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add_entry(move(entry));
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MUST(try_add_spacer());
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}
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void Layout::add_layout(OwnPtr<Layout>&& layout)
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@ -76,24 +86,36 @@ void Layout::add_layout(OwnPtr<Layout>&& layout)
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add_entry(move(entry));
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}
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ErrorOr<void> Layout::try_add_widget(Widget& widget)
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{
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TRY(try_add_entry(Entry {
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.type = Entry::Type::Widget,
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.widget = widget,
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}));
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return {};
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}
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void Layout::add_widget(Widget& widget)
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{
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MUST(try_add_widget(widget));
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}
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ErrorOr<void> Layout::try_insert_widget_before(Widget& widget, Widget& before_widget)
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{
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Entry entry;
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entry.type = Entry::Type::Widget;
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entry.widget = widget;
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add_entry(move(entry));
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TRY(m_entries.try_insert_before_matching(move(entry), [&](auto& existing_entry) {
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return existing_entry.type == Entry::Type::Widget && existing_entry.widget.ptr() == &before_widget;
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}));
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if (m_owner)
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m_owner->notify_layout_changed({});
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return {};
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}
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void Layout::insert_widget_before(Widget& widget, Widget& before_widget)
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{
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Entry entry;
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entry.type = Entry::Type::Widget;
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entry.widget = widget;
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m_entries.insert_before_matching(move(entry), [&](auto& existing_entry) {
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return existing_entry.type == Entry::Type::Widget && existing_entry.widget.ptr() == &before_widget;
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});
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if (m_owner)
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m_owner->notify_layout_changed({});
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MUST(try_insert_widget_before(widget, before_widget));
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}
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void Layout::remove_widget(Widget& widget)
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