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freehand line drawing: automation & velocity share the same basic code

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This commit is contained in:
Paul Davis 2023-07-10 17:32:18 -06:00
parent 2c48aabe08
commit df52c39ce0
9 changed files with 235 additions and 107 deletions
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59
gtk2_ardour/editor_drag.h
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@ -1583,27 +1583,56 @@ class LollipopDrag : public Drag
ArdourCanvas::Lollipop* _primary;
};
class AutomationDrawDrag : public Drag
template<typename OrderedPointList, typename OrderedPoint>
class FreehandLineDrag : public Drag
{
public:
FreehandLineDrag (Editor*, ArdourCanvas::Rectangle&, Temporal::TimeDomain);
~FreehandLineDrag ();
void motion (GdkEvent*, bool);
void finished (GdkEvent*, bool);
bool mid_drag_key_event (GdkEventKey*);
virtual void point_added (ArdourCanvas::Duple const & d, ArdourCanvas::Rectangle const & r, double last_x) {}
protected:
ArdourCanvas::Rectangle& base_rect; /* we do not own this */
ArdourCanvas::PolyLine* dragging_line;
int direction;
int edge_x;
bool did_snap;
bool line_break_pending;
OrderedPointList drawn_points;
void maybe_add_point (GdkEvent*, Temporal::timepos_t const &, bool first_move);
};
class AutomationDrawDrag : public FreehandLineDrag<Evoral::ControlList::OrderedPoints, Evoral::ControlList::OrderedPoint>
{
public:
AutomationDrawDrag (Editor*, ArdourCanvas::Rectangle&, Temporal::TimeDomain);
~AutomationDrawDrag ();
void motion (GdkEvent*, bool);
void finished (GdkEvent*, bool);
void aborted (bool);
bool mid_drag_key_event (GdkEventKey*);
private:
ArdourCanvas::Rectangle& base_rect; /* we do not own this */
ArdourCanvas::PolyLine* dragging_line;
int direction;
int edge_x;
Evoral::ControlList::OrderedPoints drawn_points;
bool did_snap;
bool line_break_pending;
void maybe_add_point (GdkEvent*, Temporal::timepos_t const &);
void aborted (bool) {}
};
class VelocityLineDrag : public FreehandLineDrag<Evoral::ControlList::OrderedPoints, Evoral::ControlList::OrderedPoint>
{
public:
VelocityLineDrag (Editor*, ArdourCanvas::Rectangle&, Temporal::TimeDomain);
~VelocityLineDrag ();
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void finished (GdkEvent*, bool);
void aborted (bool);
void point_added (ArdourCanvas::Duple const & d, ArdourCanvas::Rectangle const & r, double last_x);
private:
VelocityGhostRegion* grv;
bool drag_did_change;
};
#endif /* __gtk2_ardour_editor_drag_h_ */