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Clarify the documentation of class Fl_Callback_User_Data

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This commit is contained in:
ManoloFLTK 2024-10-17 14:10:15 +02:00
parent 37fbc63f5c
commit f269367d41
1 changed files with 6 additions and 4 deletions
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10
FL/Fl_Widget.H
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@ -78,8 +78,8 @@ struct FL_EXPORT Fl_Label {
/** A class prototype that allows for additional data in callbacks.
Users can extend this class and pass it to widget callbacks. Widgets can
take ownership of the callback data, deleting the data when the widget
Users can derive this class and pass objects of such derived classes to widget callbacks.
Widgets can take ownership of the callback data, deleting the data when the widget
itself is deleted.
The destructor of this class is virtual, allowing for additional code to
@ -89,9 +89,11 @@ struct FL_EXPORT Fl_Label {
\see Fl_Widget::callback(Fl_Callback*, Fl_Callback_User_Data*, bool)
\see Fl_Widget::user_data(Fl_Callback_User_Data*, bool)
*/
class Fl_Callback_User_Data {
class FL_EXPORT Fl_Callback_User_Data {
protected:
Fl_Callback_User_Data() {} ///< Protected constructor
public:
virtual ~Fl_Callback_User_Data() { }
virtual ~Fl_Callback_User_Data() { } ///< Destructor
};