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Fix possible crashes when using context menu in Browse Data tab

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Deactivate all menu actions in the context menu in the Browse Data tab
if no database file is opened. Without a database the read-only actions
were still enabled and would lead to a crash.

See issue #1228.
This commit is contained in:
Martin Kleusberg
2017-11-17 13:20:08 +01:00
parent 011f7edd1f
commit d0771cb4bd
1 changed files with 8 additions and 2 deletions
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10
src/ExtendedTableWidget.cpp
View File

@@ -106,10 +106,16 @@ ExtendedTableWidget::ExtendedTableWidget(QWidget* parent) :
connect(this, &QTableView::customContextMenuRequested,
[=](const QPoint& pos)
{
// Deactivate context menu options if there is no model set
bool enabled = model();
filterAction->setEnabled(enabled);
copyAction->setEnabled(enabled);
copyWithHeadersAction->setEnabled(enabled);
// Try to find out whether the current view is editable and (de)activate menu options according to that
bool editable = editTriggers() != QAbstractItemView::NoEditTriggers;
nullAction->setEnabled(editable);
pasteAction->setEnabled(editable);
nullAction->setEnabled(enabled && editable);
pasteAction->setEnabled(enabled && editable);
// Show menu
m_contextMenu->popup(viewport()->mapToGlobal(pos));