class Editor;
class EditorCursor;
class TimeAxisView;
+class Drag;
-/** Abstract base class for dragging of things within the editor */
-class Drag
+/** Class to manage current drags */
+class DragManager
{
-
public:
- Drag (Editor *, ArdourCanvas::Item *);
- virtual ~Drag () {}
- /** @return the canvas item being dragged */
- ArdourCanvas::Item* item () const {
- return _item;
- }
+ DragManager (Editor* e);
+ ~DragManager ();
- void swap_grab (ArdourCanvas::Item *, Gdk::Cursor *, uint32_t);
- void break_drag ();
+ bool motion_handler (GdkEvent *, bool);
- bool motion_handler (GdkEvent*, bool);
+ void abort ();
+ void add (Drag *);
+ void set (Drag *, GdkEvent *, Gdk::Cursor* c = 0);
+ void start_grab (GdkEvent *);
+ bool end_grab (GdkEvent *);
+ bool have_item (ArdourCanvas::Item *) const;
- /** @return true if an end drag is in progress */
+ /** @return true if an end drag or abort is in progress */
bool ending () const {
return _ending;
}
- /** @return current pointer x position in item coordinates */
+ bool active () const {
+ return !_drags.empty ();
+ }
+
+ /** @return current pointer x position in trackview coordinates */
double current_pointer_x () const {
return _current_pointer_x;
}
- /** @return current pointer y position in item coordinates */
+ /** @return current pointer y position in trackview coordinates */
double current_pointer_y () const {
return _current_pointer_y;
}
return _current_pointer_frame;
}
+private:
+ Editor* _editor;
+ std::list<Drag*> _drags;
+ bool _ending; ///< true if end_grab or abort is in progress, otherwise false
+ double _current_pointer_x; ///< trackview x of the current pointer
+ double _current_pointer_y; ///< trackview y of the current pointer
+ nframes64_t _current_pointer_frame; ///< frame that the pointer is now at
+};
+
+/** Abstract base class for dragging of things within the editor */
+class Drag
+{
+public:
+ Drag (Editor *, ArdourCanvas::Item *);
+ virtual ~Drag () {}
+
+ void set_manager (DragManager* m) {
+ _drags = m;
+ }
+
+ /** @return the canvas item being dragged */
+ ArdourCanvas::Item* item () const {
+ return _item;
+ }
+
+ void swap_grab (ArdourCanvas::Item *, Gdk::Cursor *, uint32_t);
+ bool motion_handler (GdkEvent*, bool);
+ void abort ();
+
+ nframes64_t adjusted_frame (nframes64_t, GdkEvent const *, bool snap = true) const;
+ nframes64_t adjusted_current_frame (GdkEvent const *, bool snap = true) const;
+
/** Called to start a grab of an item.
* @param e Event that caused the grab to start.
* @param c Cursor to use, or 0.
*/
virtual void finished (GdkEvent* e, bool m) = 0;
+ /** Called to abort a drag and return things to how
+ * they were before it started.
+ */
+ virtual void aborted () = 0;
+
/** @param m Mouse mode.
* @return true if this drag should happen in this mouse mode.
*/
return (m != Editing::MouseGain);
}
- /** @return true if a small threshold should be applied before a mouse movement
- * is considered a drag, otherwise false.
- */
- virtual bool apply_move_threshold () const {
- return false;
+ /** @return minimum number of frames (in x) and pixels (in y) that should be considered a movement */
+ virtual std::pair<nframes64_t, int> move_threshold () const {
+ return std::make_pair (1, 1);
}
virtual bool allow_vertical_autoscroll () const {
return true;
}
+ /** @return true if x movement matters to this drag */
+ virtual bool x_movement_matters () const {
+ return true;
+ }
+
+ /** @return true if y movement matters to this drag */
+ virtual bool y_movement_matters () const {
+ return true;
+ }
+
protected:
- nframes64_t adjusted_current_frame (GdkEvent *) const;
+
+ double grab_x () const {
+ return _grab_x;
+ }
+
+ double grab_y () const {
+ return _grab_y;
+ }
+
+ double grab_frame () const {
+ return _grab_frame;
+ }
+
+ double last_pointer_x () const {
+ return _last_pointer_x;
+ }
+
+ double last_pointer_y () const {
+ return _last_pointer_y;
+ }
+
+ double last_pointer_frame () const {
+ return _last_pointer_frame;
+ }
Editor* _editor; ///< our editor
+ DragManager* _drags;
ArdourCanvas::Item* _item; ///< our item
- nframes64_t _pointer_frame_offset; ///< offset from the mouse's position for the drag
- ///< to the start of the thing that is being dragged
- nframes64_t _last_frame_position; ///< last position of the thing being dragged
- nframes64_t _grab_frame; ///< frame that the mouse was at when start_grab was called, or 0
- nframes64_t _last_pointer_frame; ///< frame that the pointer was at last time a motion occurred
- nframes64_t _current_pointer_frame; ///< frame that the pointer is now at
- double _original_x; ///< original world x of the thing being dragged
- double _original_y; ///< original world y of the thing being dragged
- double _grab_x; ///< item x of the grab start position
- double _grab_y; ///< item y of the grab start position
- double _current_pointer_x; ///< item x of the current pointer
- double _current_pointer_y; ///< item y of the current pointer
- double _last_pointer_x; ///< item x of the pointer last time a motion occurred
- double _last_pointer_y; ///< item y of the pointer last time a motion occurred
+ /** Offset from the mouse's position for the drag to the start of the thing that is being dragged */
+ nframes64_t _pointer_frame_offset;
bool _x_constrained; ///< true if x motion is constrained, otherwise false
bool _y_constrained; ///< true if y motion is constrained, otherwise false
bool _was_rolling; ///< true if the session was rolling before the drag started, otherwise false
- bool _have_transaction; ///< true if a transaction has been started, false otherwise. Must be set true by derived class.
private:
- bool _ending; ///< true if end_grab is in progress, otherwise false
- bool _had_movement; ///< true if movement has occurred, otherwise false
bool _move_threshold_passed; ///< true if the move threshold has been passed, otherwise false
+ double _grab_x; ///< trackview x of the grab start position
+ double _grab_y; ///< trackview y of the grab start position
+ double _last_pointer_x; ///< trackview x of the pointer last time a motion occurred
+ double _last_pointer_y; ///< trackview y of the pointer last time a motion occurred
+ nframes64_t _grab_frame; ///< adjusted_frame that the mouse was at when start_grab was called, or 0
+ nframes64_t _last_pointer_frame; ///< adjusted_frame the last time a motion occurred
};
+struct DraggingView
+{
+ DraggingView (RegionView* v);
+
+ RegionView* view; ///< the view
+ double initial_y; ///< the initial y position of the view before any reparenting
+};
/** Abstract base class for drags that involve region(s) */
class RegionDrag : public Drag, public sigc::trackable
protected:
RegionView* _primary; ///< the view that was clicked on (or whatever) to start the drag
- std::list<RegionView*> _views; ///< all views that are being dragged
+ std::list<DraggingView> _views; ///< information about all views that are being dragged
private:
void region_going_away (RegionView *);
- boost::signals2::scoped_connection death_connection;
+ PBD::ScopedConnection death_connection;
};
virtual void start_grab (GdkEvent *, Gdk::Cursor *);
virtual void motion (GdkEvent *, bool);
virtual void finished (GdkEvent *, bool) = 0;
+ virtual void aborted ();
protected:
struct TimeAxisViewSummary {
ARDOUR::layer_t _dest_layer;
bool check_possible (RouteTimeAxisView **, ARDOUR::layer_t *);
bool _brushing;
+ nframes64_t _last_frame_position; ///< last position of the thing being dragged
+ double _total_x_delta;
};
virtual void start_grab (GdkEvent *, Gdk::Cursor *);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
- bool apply_move_threshold () const {
- return true;
+ std::pair<nframes64_t, int> move_threshold () const {
+ return std::make_pair (4, 4);
}
private:
RegionInsertDrag (Editor *, boost::shared_ptr<ARDOUR::Region>, RouteTimeAxisView*, nframes64_t);
void finished (GdkEvent *, bool);
+ void aborted ();
};
/** Region drag in splice mode */
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
};
/** Drags to create regions */
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
private:
TimeAxisView* _view;
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
private:
MidiRegionView* region;
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
private:
MidiRegionView* region;
bool active (Editing::MouseMode m) {
return (m == Editing::MouseGain);
}
+
+ void aborted ();
};
/** Drag to trim region(s) */
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
+
+ bool y_movement_matters () const {
+ return false;
+ }
private:
Operation _operation;
+ bool _have_transaction; ///< true if a transaction has been started, false otherwise. Must be set true by derived class.
};
/** Meter marker drag */
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
+ bool allow_vertical_autoscroll () const {
+ return false;
+ }
+
+ bool y_movement_matters () const {
+ return false;
+ }
+
private:
MeterMarker* _marker;
bool _copy;
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
+
+ bool allow_vertical_autoscroll () const {
+ return false;
+ }
+
+ bool y_movement_matters () const {
+ return false;
+ }
private:
TempoMarker* _marker;
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
bool active (Editing::MouseMode) {
return true;
return false;
}
+ bool y_movement_matters () const {
+ return false;
+ }
+
private:
EditorCursor* _cursor; ///< cursor being dragged
bool _stop; ///< true to stop the transport on starting the drag, otherwise false
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
+
+ bool y_movement_matters () const {
+ return false;
+ }
};
/** Region fade-out drag */
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
+
+ bool y_movement_matters () const {
+ return false;
+ }
};
/** Marker drag */
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
+
+ bool allow_vertical_autoscroll () const {
+ return false;
+ }
+ bool y_movement_matters () const {
+ return false;
+ }
+
private:
void update_item (ARDOUR::Location *);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
bool active (Editing::MouseMode m);
private:
ControlPoint* _point;
+ double _time_axis_view_grab_x;
+ double _time_axis_view_grab_y;
double _cumulative_x_drag;
double _cumulative_y_drag;
static double const _zero_gain_fraction;
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
bool active (Editing::MouseMode) {
return true;
private:
AutomationLine* _line;
+ double _time_axis_view_grab_x;
+ double _time_axis_view_grab_y;
uint32_t _before;
uint32_t _after;
double _cumulative_y_drag;
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
+
+ std::pair<nframes64_t, int> move_threshold () const {
+ return std::make_pair (8, 1);
+ }
};
/** Region drag in time-FX mode */
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
};
/** Scrub drag in audition mode */
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
};
-/** Drag in range select(gc_owner.get()) moAutomatable */
+/** Drag in range select mode */
class SelectionDrag : public Drag
{
public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
private:
Operation _operation;
bool _copy;
+ int _original_pointer_time_axis;
+ int _last_pointer_time_axis;
+ std::list<TimeAxisView*> _added_time_axes;
};
/** Range marker drag */
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
+
+ bool allow_vertical_autoscroll () const {
+ return false;
+ }
+
+ bool y_movement_matters () const {
+ return false;
+ }
private:
void update_item (ARDOUR::Location *);
bool _copy;
};
-/* Drag of rectangle to set zoom */
+/** Drag of rectangle to set zoom */
class MouseZoomDrag : public Drag
{
public:
- MouseZoomDrag (Editor *e, ArdourCanvas::Item *i) : Drag (e, i) {}
+ MouseZoomDrag (Editor* e, ArdourCanvas::Item *i) : Drag (e, i) {}
+
+ void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
+ void motion (GdkEvent *, bool);
+ void finished (GdkEvent *, bool);
+ void aborted ();
+};
+
+/** Drag of a range of automation data, changing value but not position */
+class AutomationRangeDrag : public Drag
+{
+public:
+ AutomationRangeDrag (Editor *, ArdourCanvas::Item *, std::list<ARDOUR::AudioRange> const &);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
+ void aborted ();
+
+ bool x_movement_matters () const {
+ return false;
+ }
+
+private:
+ std::list<ARDOUR::AudioRange> _ranges;
+ AutomationTimeAxisView* _atav;
+ boost::shared_ptr<AutomationLine> _line;
+ bool _nothing_to_drag;
};
#endif /* __gtk2_ardour_editor_drag_h_ */
projects / ardour.git / blobdiff