diff options
Diffstat (limited to 'FL/Fl_Widget_Tracker.H')
| -rw-r--r-- | FL/Fl_Widget_Tracker.H | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/FL/Fl_Widget_Tracker.H b/FL/Fl_Widget_Tracker.H index d0aad86c0..fb2182e5f 100644 --- a/FL/Fl_Widget_Tracker.H +++ b/FL/Fl_Widget_Tracker.H @@ -76,9 +76,20 @@ class FL_EXPORT Fl_Widget_Tracker { public: Fl_Widget_Tracker(Fl_Widget *wi); + // Rule of five. Note that we *can* implement these when we refactor widget + // tracking with a C++11 map or unordered_map, for example. + Fl_Widget_Tracker(const Fl_Widget_Tracker&) = delete; + Fl_Widget_Tracker(Fl_Widget_Tracker&&) = delete; + Fl_Widget_Tracker& operator=(const Fl_Widget_Tracker&) = delete; + Fl_Widget_Tracker& operator=(Fl_Widget_Tracker&&) = delete; ~Fl_Widget_Tracker(); /** + Clear the widget pointer. + */ + void clear() { wp_ = nullptr; } + + /** Returns a pointer to the watched widget. \return nullptr if the widget was deleted. */ @@ -88,13 +99,13 @@ public: Check if the widget was deleted since the tracker was created. \return 1 if the watched widget has been deleted, otherwise 0 */ - int deleted() {return wp_ == 0;} + int deleted() {return wp_ == nullptr;} /** Check if the widget exists and was not deleted since the tracker was created. \return 1 if the watched widget exists, otherwise 0 */ - int exists() { return wp_ != 0; } + int exists() { return wp_ != nullptr; } }; |