0ac74d3778
This makes GTreeView able to support multi-column models! Only one column can be the "tree column", this is column 0 by default but can be changed by overriding GModel::tree_column().
50 lines
1 KiB
C++
50 lines
1 KiB
C++
#include <LibGUI/GAbstractView.h>
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#include <LibGUI/GModel.h>
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GModel::GModel()
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{
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}
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GModel::~GModel()
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{
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}
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void GModel::register_view(Badge<GAbstractView>, GAbstractView& view)
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{
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m_views.set(&view);
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}
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void GModel::unregister_view(Badge<GAbstractView>, GAbstractView& view)
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{
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m_views.remove(&view);
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}
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void GModel::for_each_view(Function<void(GAbstractView&)> callback)
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{
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for (auto* view : m_views)
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callback(*view);
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}
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void GModel::did_update()
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{
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if (on_update)
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on_update();
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for_each_view([](auto& view) {
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view.did_update_model();
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});
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}
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GModelIndex GModel::create_index(int row, int column, const void* data) const
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{
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return GModelIndex(*this, row, column, const_cast<void*>(data));
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}
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GModelIndex GModel::sibling(int row, int column, const GModelIndex& parent) const
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{
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if (!parent.is_valid())
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return index(row, column, {});
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int row_count = this->row_count(parent);
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if (row < 0 || row > row_count)
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return {};
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return index(row, column, parent);
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}
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