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LibGUI: Add ModelClient abstract class and allow registering clients

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This solves a problem where the SortingProxyModel doesn't
receive the on_update call because other code overwrote
the handler later on.
This commit is contained in:
Tom 2020-07-11 06:47:26 -06:00 • committed by Andreas Kling
parent 0e10a92ebc
commit b778804d20
13 changed files with 144 additions and 60 deletions
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27
Libraries/LibGUI/ModelSelection.cpp
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@ -38,8 +38,11 @@ void ModelSelection::remove_matching(Function<bool(const ModelIndex&)> filter)
if (filter(index))
to_remove.append(index);
}
for (auto& index : to_remove)
m_indexes.remove(index);
if (!to_remove.is_empty()) {
for (auto& index : to_remove)
m_indexes.remove(index);
notify_selection_changed();
}
}
void ModelSelection::set(const ModelIndex& index)
@ -49,7 +52,7 @@ void ModelSelection::set(const ModelIndex& index)
return;
m_indexes.clear();
m_indexes.set(index);
m_view.notify_selection_changed({});
notify_selection_changed();
}
void ModelSelection::add(const ModelIndex& index)
@ -58,7 +61,7 @@ void ModelSelection::add(const ModelIndex& index)
if (m_indexes.contains(index))
return;
m_indexes.set(index);
m_view.notify_selection_changed({});
notify_selection_changed();
}
void ModelSelection::toggle(const ModelIndex& index)
@ -68,7 +71,7 @@ void ModelSelection::toggle(const ModelIndex& index)
m_indexes.remove(index);
else
m_indexes.set(index);
m_view.notify_selection_changed({});
notify_selection_changed();
}
bool ModelSelection::remove(const ModelIndex& index)
@ -77,7 +80,7 @@ bool ModelSelection::remove(const ModelIndex& index)
if (!m_indexes.contains(index))
return false;
m_indexes.remove(index);
m_view.notify_selection_changed({});
notify_selection_changed();
return true;
}
@ -86,7 +89,17 @@ void ModelSelection::clear()
if (m_indexes.is_empty())
return;
m_indexes.clear();
m_view.notify_selection_changed({});
notify_selection_changed();
}
void ModelSelection::notify_selection_changed()
{
if (!m_disable_notify) {
m_view.notify_selection_changed({});
m_notify_pending = false;
} else {
m_notify_pending = true;
}
}
}