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GLayout: Add a simple spacer concept; dummy item that expands-to-fit.

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A spacer can be inserted anywhere in a layout and will simply expand to fill
the available space. This is useful for pushing widgets into place. :^)
This commit is contained in:
Andreas Kling 2019-05-09 03:06:20 +02:00
parent bd5c79aff2
commit bffaa5ece6
4 changed files with 39 additions and 7 deletions
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24
LibGUI/GLayout.cpp
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@ -22,22 +22,34 @@ void GLayout::notify_disowned(Badge<GWidget>, GWidget& widget)
m_owner.clear();
}
void GLayout::add_layout(OwnPtr<GLayout>&& layout)
void GLayout::add_entry(Entry&& entry)
{
Entry entry;
entry.layout = move(layout);
m_entries.append(move(entry));
if (m_owner)
m_owner->notify_layout_changed(Badge<GLayout>());
}
void GLayout::add_spacer()
{
Entry entry;
entry.type = Entry::Type::Spacer;
add_entry(move(entry));
}
void GLayout::add_layout(OwnPtr<GLayout>&& layout)
{
Entry entry;
entry.type = Entry::Type::Layout;
entry.layout = move(layout);
add_entry(move(entry));
}
void GLayout::add_widget(GWidget& widget)
{
Entry entry;
entry.type = Entry::Type::Widget;
entry.widget = widget.make_weak_ptr();
m_entries.append(move(entry));
if (m_owner)
m_owner->notify_layout_changed(Badge<GLayout>());
add_entry(move(entry));
}
void GLayout::remove_widget(GWidget& widget)