diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/widgets/kernel/qwidget.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/widgets/kernel/qwidget.h b/src/widgets/kernel/qwidget.h index ee6e7d5fe6..6c30e018df 100644 --- a/src/widgets/kernel/qwidget.h +++ b/src/widgets/kernel/qwidget.h @@ -211,11 +211,28 @@ class Q_WIDGETS_EXPORT QWidget : public QObject, public QPaintDevice Q_PROPERTY(QString windowFilePath READ windowFilePath WRITE setWindowFilePath) Q_PROPERTY(Qt::InputMethodHints inputMethodHints READ inputMethodHints WRITE setInputMethodHints) +#if 0 + // ### TODO: make this work (requires SFINAE-friendly connect()) template <typename...Args> using compatible_action_slot_args = std::void_t< decltype(QObject::connect(std::declval<QAction*>(), &QAction::triggered, std::declval<Args>()...)) >; +#else + // good-enough compromise for now + template <typename...Args> + using compatible_action_slot_args = std::enable_if_t<std::conjunction_v< +#if QT_CONFIG(shortcut) + std::disjunction< + std::is_same<Args, Qt::ConnectionType>, + std::negation<std::is_convertible<Args, QKeySequence>> + >..., +#endif + std::negation<std::is_convertible<Args, QIcon>>..., + std::negation<std::is_convertible<Args, const char*>>..., + std::negation<std::is_convertible<Args, QString>>... + >>; +#endif public: enum RenderFlag { DrawWindowBackground = 0x1, |