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Inspector: Implement RemoteObjectGraphModel::parent_index()

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This makes GTreeView paint the tree lines correctly. It's a bit weird
that this is needed, but straightforward to implement so meh.
This commit is contained in:
Andreas Kling 2019-08-18 11:12:43 +02:00
parent 2e4e4ad957
commit 68e94f0a2e
2 changed files with 17 additions and 0 deletions
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16
DevTools/Inspector/RemoteObjectGraphModel.cpp
View file

@ -26,6 +26,22 @@ GModelIndex RemoteObjectGraphModel::index(int row, int column, const GModelIndex
return create_index(row, column, remote_parent.children.at(row)); return create_index(row, column, remote_parent.children.at(row));
} }
GModelIndex RemoteObjectGraphModel::parent_index(const GModelIndex& index) const
{
if (!index.is_valid())
return {};
auto& remote_object = *static_cast<RemoteObject*>(index.internal_data());
if (!remote_object.parent)
return {};
for (int row = 0; row < remote_object.parent->children.size(); ++row) {
if (remote_object.parent->children[row] == &remote_object)
return create_index(row, 0, remote_object.parent);
}
ASSERT_NOT_REACHED();
return {};
}
int RemoteObjectGraphModel::row_count(const GModelIndex& index) const int RemoteObjectGraphModel::row_count(const GModelIndex& index) const
{ {
if (!index.is_valid()) if (!index.is_valid())

1
DevTools/Inspector/RemoteObjectGraphModel.h
View file

@ -18,6 +18,7 @@ public:
virtual int column_count(const GModelIndex& = GModelIndex()) const override; virtual int column_count(const GModelIndex& = GModelIndex()) const override;
virtual GVariant data(const GModelIndex&, Role = Role::Display) const override; virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
virtual GModelIndex index(int row, int column, const GModelIndex& parent = GModelIndex()) const override; virtual GModelIndex index(int row, int column, const GModelIndex& parent = GModelIndex()) const override;
virtual GModelIndex parent_index(const GModelIndex&) const;
virtual void update() override; virtual void update() override;
private: private: