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LibGUI: Draw a 1px line tree alongside the GTreeView icons.

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This commit is contained in:
Andreas Kling
2019-03-29 19:48:15 +01:00
parent f6b48ecd47
commit eb182bcafc
4 changed files with 30 additions and 12 deletions
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8
LibGUI/GFileSystemModel.cpp
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@@ -18,10 +18,10 @@ struct GFileSystemModel::Node {
GModelIndex index(const GFileSystemModel& model) const
{
if (!parent)
return { };
return model.create_index(0, 0, (void*)this);
for (int row = 0; row < parent->children.size(); ++row) {
if (parent->children[row] == this)
return model.create_index(row, 0, parent);
return model.create_index(row, 0, (void*)this);
}
ASSERT_NOT_REACHED();
}
@@ -138,8 +138,10 @@ GModelIndex GFileSystemModel::parent_index(const GModelIndex& index) const
if (!index.is_valid())
return { };
auto& node = *(const Node*)index.internal_data();
if (!node.parent)
if (!node.parent) {
ASSERT(&node == m_root);
return { };
}
return node.parent->index(*this);
}