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Spreadsheet: Avoid OOB access and use-after-move in selection

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AnotherTest 2021-01-02 09:45:21 +03:30 • committed by Andreas Kling
parent 88ce755579
commit e080a4f74a
1 changed files with 13 additions and 1 deletions
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14
Applications/Spreadsheet/SpreadsheetWidget.cpp
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@ -142,6 +142,17 @@ void SpreadsheetWidget::setup_tabs(NonnullRefPtrVector<Sheet> new_sheets)
};
m_selected_view = &static_cast<SpreadsheetView&>(selected_widget);
m_selected_view->on_selection_changed = [&](Vector<Position>&& selection) {
if (selection.is_empty()) {
m_current_cell_label->set_enabled(false);
m_current_cell_label->set_text({});
m_cell_value_editor->on_change = nullptr;
m_cell_value_editor->on_focusin = nullptr;
m_cell_value_editor->on_focusout = nullptr;
m_cell_value_editor->set_text("");
m_cell_value_editor->set_enabled(false);
return;
}
if (selection.size() == 1) {
auto& position = selection.first();
StringBuilder builder;
@ -177,6 +188,7 @@ void SpreadsheetWidget::setup_tabs(NonnullRefPtrVector<Sheet> new_sheets)
for (auto& position : selection)
cells.append(&m_selected_view->sheet().ensure(position));
auto first_cell = cells.first();
m_cell_value_editor->on_change = nullptr;
m_cell_value_editor->set_text("");
m_should_change_selected_cells = false;
@ -195,7 +207,7 @@ void SpreadsheetWidget::setup_tabs(NonnullRefPtrVector<Sheet> new_sheets)
}
};
m_cell_value_editor->set_enabled(true);
static_cast<CellSyntaxHighlighter*>(const_cast<GUI::SyntaxHighlighter*>(m_cell_value_editor->syntax_highlighter()))->set_cell(cells.first());
static_cast<CellSyntaxHighlighter*>(const_cast<GUI::SyntaxHighlighter*>(m_cell_value_editor->syntax_highlighter()))->set_cell(first_cell);
};
m_selected_view->on_selection_dropped = [&]() {
m_cell_value_editor->set_enabled(false);