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LibGUI: Fix GModel::is_valid() behavior for tree-like models

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This commit is contained in:
Sergey Bugaev 2020-01-10 18:48:27 +03:00 • committed by Andreas Kling
parent 303fa75d36
commit caa08938e5
1 changed files with 2 additions and 1 deletions
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3
Libraries/LibGUI/GModel.h
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@ -60,7 +60,8 @@ public:
bool is_valid(const GModelIndex& index) const bool is_valid(const GModelIndex& index) const
{ {
return index.row() >= 0 && index.row() < row_count() && index.column() >= 0 && index.column() < column_count(); auto parent_index = this->parent_index(index);
return index.row() >= 0 && index.row() < row_count(parent_index) && index.column() >= 0 && index.column() < column_count(parent_index);
} }
virtual int key_column() const { return -1; } virtual int key_column() const { return -1; }