QwtPickerDragLineMachine (3) - Linux Man Pages
Public Member Functions
Additional Inherited Members
A state machine for line selections.
Pressing QwtEventPattern::MouseSelect1 selects the first point, releasing it the second point. Pressing QwtEventPattern::KeySelect1 also selects the first point, a second press selects the second point and terminates the selection.
A common use case of QwtPickerDragLineMachine are pickers for distance measurements.
- QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode
Generated automatically by Doxygen for Qwt User's Guide from the source code.