2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __gtk2_ardour_editor_drag_h_
21 #define __gtk2_ardour_editor_drag_h_
28 #include "ardour/tempo.h"
29 #include "ardour/types.h"
31 #include "canvas/types.h"
33 #include "cursor_context.h"
34 #include "editor_items.h"
35 #include "mouse_cursors.h"
37 #include "track_selection.h"
44 namespace ArdourCanvas {
51 class StatefulDiffCommand;
58 class MidiTimeAxisView;
63 class RouteTimeAxisView;
64 class RegionSelection;
70 class AudioRegionView;
72 class AutomationTimeAxisView;
74 /** Class to manage current drags */
79 DragManager (Editor* e);
82 bool motion_handler (GdkEvent *, bool);
86 void set (Drag *, GdkEvent *, Gdk::Cursor* c = MouseCursors::invalid_cursor());
87 void start_grab (GdkEvent *, Gdk::Cursor* c = MouseCursors::invalid_cursor());
88 bool end_grab (GdkEvent *);
89 bool have_item (ArdourCanvas::Item *) const;
91 void mark_double_click ();
93 /** @return true if an end drag or abort is in progress */
94 bool ending () const {
98 bool active () const {
99 return !_drags.empty ();
102 /** @return current pointer x position in canvas coordinates */
103 double current_pointer_x () const {
104 return _current_pointer_x;
107 /** @return current pointer y position in canvas coordinates */
108 double current_pointer_y () const {
109 return _current_pointer_y;
112 /** @return current pointer sample */
113 ARDOUR::samplepos_t current_pointer_sample () const {
114 return _current_pointer_sample;
119 std::list<Drag*> _drags;
120 bool _ending; ///< true if end_grab or abort is in progress, otherwise false
121 double _current_pointer_x; ///< canvas-coordinate space x of the current pointer
122 double _current_pointer_y; ///< canvas-coordinate space y of the current pointer
123 ARDOUR::samplepos_t _current_pointer_sample; ///< sample that the pointer is now at
124 bool _old_follow_playhead; ///< state of Editor::follow_playhead() before the drags started
127 /** Abstract base class for dragging of things within the editor */
131 Drag (Editor *, ArdourCanvas::Item *, bool trackview_only = true);
134 void set_manager (DragManager* m) {
138 /** @return the canvas item being dragged */
139 ArdourCanvas::Item* item () const {
143 void swap_grab (ArdourCanvas::Item *, Gdk::Cursor *, uint32_t);
144 bool motion_handler (GdkEvent*, bool);
147 ARDOUR::MusicSample adjusted_sample (ARDOUR::samplepos_t, GdkEvent const *, bool snap = true) const;
148 ARDOUR::samplepos_t adjusted_current_sample (GdkEvent const *, bool snap = true) const;
150 bool was_double_click() const { return _was_double_click; }
151 void set_double_click (bool yn) { _was_double_click = yn; }
153 /** Called to start a grab of an item.
154 * @param e Event that caused the grab to start.
155 * @param c Cursor to use, or 0.
157 virtual void start_grab (GdkEvent* e, Gdk::Cursor* c = 0);
159 virtual bool end_grab (GdkEvent *);
161 /** Called when a drag motion has occurred.
162 * @param e Event describing the motion.
163 * @param f true if this is the first movement, otherwise false.
165 virtual void motion (GdkEvent* e, bool f) = 0;
167 /** Called when a drag has finished.
168 * @param e Event describing the finish.
169 * @param m true if some movement occurred, otherwise false.
171 virtual void finished (GdkEvent* e, bool m) = 0;
173 /** Called to abort a drag and return things to how
174 * they were before it started.
175 * @param m true if some movement occurred, otherwise false.
177 virtual void aborted (bool m) = 0;
179 /** @param m Mouse mode.
180 * @return true if this drag should happen in this mouse mode.
182 virtual bool active (Editing::MouseMode m) {
186 /** @return minimum number of samples (in x) and pixels (in y) that should be considered a movement */
187 virtual std::pair<ARDOUR::samplecnt_t, int> move_threshold () const {
188 return std::make_pair (1, 1);
191 virtual bool allow_vertical_autoscroll () const {
195 /** @return true if x movement matters to this drag */
196 virtual bool x_movement_matters () const {
200 /** @return true if y movement matters to this drag */
201 virtual bool y_movement_matters () const {
205 bool initially_vertical() const {
206 return _initially_vertical;
209 /** Set up the _pointer_sample_offset */
210 virtual void setup_pointer_sample_offset () {
211 _pointer_sample_offset = 0;
216 double grab_x () const {
220 double grab_y () const {
224 ARDOUR::samplepos_t raw_grab_sample () const {
225 return _raw_grab_sample;
228 ARDOUR::samplepos_t grab_sample () const {
232 double last_pointer_x () const {
233 return _last_pointer_x;
236 double last_pointer_y () const {
237 return _last_pointer_y;
240 ARDOUR::samplepos_t last_pointer_sample () const {
241 return _last_pointer_sample;
244 ARDOUR::sampleoffset_t snap_delta (guint const) const;
245 double snap_delta_music (guint const) const;
247 double current_pointer_x () const;
248 double current_pointer_y () const;
250 /* sets snap delta from unsnapped pos */
251 void setup_snap_delta (ARDOUR::MusicSample pos);
253 boost::shared_ptr<ARDOUR::Region> add_midi_region (MidiTimeAxisView*, bool commit);
255 void show_verbose_cursor_time (samplepos_t);
256 void show_verbose_cursor_duration (samplepos_t, samplepos_t, double xoffset = 0);
257 void show_verbose_cursor_text (std::string const &);
259 Editor* _editor; ///< our editor
261 ArdourCanvas::Item* _item; ///< our item
262 /** Offset from the mouse's position for the drag to the start of the thing that is being dragged */
263 ARDOUR::samplecnt_t _pointer_sample_offset;
264 bool _x_constrained; ///< true if x motion is constrained, otherwise false
265 bool _y_constrained; ///< true if y motion is constrained, otherwise false
266 bool _was_rolling; ///< true if the session was rolling before the drag started, otherwise false
269 bool _trackview_only; ///< true if pointer y value should always be relative to the top of the trackview group
270 bool _move_threshold_passed; ///< true if the move threshold has been passed, otherwise false
271 bool _starting_point_passed; ///< true if we called move () with first_move flag, otherwise false
272 bool _initially_vertical; ///< true if after move threshold is passed we appear to be moving vertically; undefined before that
273 bool _was_double_click; ///< true if drag initiated by a double click event
274 double _grab_x; ///< trackview x of the grab start position
275 double _grab_y; ///< y of the grab start position, possibly adjusted if _trackview_only is true
276 double _last_pointer_x; ///< trackview x of the pointer last time a motion occurred
277 double _last_pointer_y; ///< trackview y of the pointer last time a motion occurred
278 ARDOUR::samplepos_t _raw_grab_sample; ///< unsnapped sample that the mouse was at when start_grab was called, or 0
279 ARDOUR::samplepos_t _grab_sample; ///< adjusted_sample that the mouse was at when start_grab was called, or 0
280 ARDOUR::samplepos_t _last_pointer_sample; ///< adjusted_sample the last time a motion occurred
282 /* difference between some key position's snapped and unsnapped
283 * samplepos. used for relative snap.
285 samplepos_t _snap_delta;
286 double _snap_delta_music;
287 CursorContext::Handle _cursor_ctx; ///< cursor change context
288 bool _constraint_pressed; ///< if the keyboard indicated constraint modifier was pressed on start_grab()
293 /** Container for details about a region being dragged */
297 DraggingView (RegionView *, RegionDrag *, TimeAxisView* original_tav);
299 RegionView* view; ///< the view
300 /** index into RegionDrag::_time_axis_views of the view that this region is currently being displayed on,
301 * or -1 if it is not visible.
304 /** layer that this region is currently being displayed on. This is a double
305 rather than a layer_t as we use fractional layers during drags to allow the user
306 to indicate a new layer to put a region on.
309 double initial_y; ///< the initial y position of the view before any reparenting
310 samplepos_t initial_position; ///< initial position of the region
311 samplepos_t initial_end; ///< initial end position of the region
312 samplepos_t anchored_fade_length; ///< fade_length when anchored during drag
313 boost::shared_ptr<ARDOUR::Playlist> initial_playlist;
314 TimeAxisView* initial_time_axis_view;
317 /** Abstract base class for drags that involve region(s) */
318 class RegionDrag : public Drag, public sigc::trackable
321 RegionDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
322 virtual ~RegionDrag () {}
326 RegionView* _primary; ///< the view that was clicked on (or whatever) to start the drag
327 std::list<DraggingView> _views; ///< information about all views that are being dragged
329 /** a list of the non-hidden TimeAxisViews sorted by editor order key */
330 std::vector<TimeAxisView*> _time_axis_views;
331 int find_time_axis_view (TimeAxisView *) const;
332 int apply_track_delta (const int start, const int delta, const int skip, const bool distance_only = false) const;
338 friend class DraggingView;
342 void region_going_away (RegionView *);
343 PBD::ScopedConnection death_connection;
347 /** Drags involving region motion from somewhere */
348 class RegionMotionDrag : public RegionDrag
352 RegionMotionDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &, bool);
353 virtual ~RegionMotionDrag () {}
355 virtual void start_grab (GdkEvent *, Gdk::Cursor *);
356 virtual void motion (GdkEvent *, bool);
357 virtual void finished (GdkEvent *, bool);
358 virtual void aborted (bool);
360 /** @return true if the regions being `moved' came from somewhere on the canvas;
361 * false if they came from outside (e.g. from the region list).
363 virtual bool regions_came_from_canvas () const = 0;
367 double compute_x_delta (GdkEvent const *, ARDOUR::MusicSample *);
368 virtual bool y_movement_allowed (int, double, int skip_invisible = 0) const;
371 bool _ignore_video_lock;
372 ARDOUR::MusicSample _last_position; ///< last position of the thing being dragged
373 double _total_x_delta;
374 int _last_pointer_time_axis_view;
375 double _last_pointer_layer;
383 /** Drags to move (or copy) regions that are already shown in the GUI to
384 * somewhere different.
386 class RegionMoveDrag : public RegionMotionDrag
389 RegionMoveDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &, bool, bool);
390 virtual ~RegionMoveDrag () {}
392 void motion (GdkEvent *, bool);
393 void finished (GdkEvent *, bool);
396 bool regions_came_from_canvas () const {
400 std::pair<ARDOUR::samplecnt_t, int> move_threshold () const {
401 return std::make_pair (4, 4);
404 void setup_pointer_sample_offset ();
407 typedef std::set<boost::shared_ptr<ARDOUR::Playlist> > PlaylistSet;
408 void add_stateful_diff_commands_for_playlists (PlaylistSet const &);
411 void finished_no_copy (
415 int32_t const ev_state
422 int32_t const ev_state
425 RegionView* insert_region_into_playlist (
426 boost::shared_ptr<ARDOUR::Region>,
432 bool for_music = false
435 void remove_region_from_playlist (
436 boost::shared_ptr<ARDOUR::Region>,
437 boost::shared_ptr<ARDOUR::Playlist>,
438 PlaylistSet& modified_playlists
442 void collect_new_region_view (RegionView *);
443 RouteTimeAxisView* create_destination_time_axis (boost::shared_ptr<ARDOUR::Region>, TimeAxisView* original);
446 RegionView* _new_region_view;
449 /** Drag to insert a region from somewhere */
450 class RegionInsertDrag : public RegionMotionDrag
453 RegionInsertDrag (Editor *, boost::shared_ptr<ARDOUR::Region>, RouteTimeAxisView*, ARDOUR::samplepos_t);
455 void finished (GdkEvent *, bool);
458 bool regions_came_from_canvas () const {
463 /** Region drag in splice mode */
464 class RegionSpliceDrag : public RegionMoveDrag
467 RegionSpliceDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
469 void motion (GdkEvent *, bool);
470 void finished (GdkEvent *, bool);
474 /** Region drag in ripple mode */
476 class RegionRippleDrag : public RegionMoveDrag
479 RegionRippleDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
480 ~RegionRippleDrag () { delete exclude; }
482 void motion (GdkEvent *, bool);
483 void finished (GdkEvent *, bool);
486 bool y_movement_allowed (int delta_track, double delta_layer, int skip_invisible = 0) const;
489 TimeAxisView *prev_tav; // where regions were most recently dragged from
490 TimeAxisView *orig_tav; // where drag started
491 ARDOUR::samplecnt_t prev_amount;
492 ARDOUR::samplepos_t prev_position;
493 ARDOUR::samplecnt_t selection_length;
494 bool allow_moves_across_tracks; // only if all selected regions are on one track
495 ARDOUR::RegionList *exclude;
496 void add_all_after_to_views (TimeAxisView *tav, ARDOUR::samplepos_t where, const RegionSelection &exclude, bool drag_in_progress);
497 void remove_unselected_from_views (ARDOUR::samplecnt_t amount, bool move_regions);
501 /** "Drag" to cut a region (action only on button release) */
502 class RegionCutDrag : public Drag
505 RegionCutDrag (Editor*, ArdourCanvas::Item*, samplepos_t);
508 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
509 void motion (GdkEvent*, bool);
510 void finished (GdkEvent*, bool);
516 /** Drags to create regions */
517 class RegionCreateDrag : public Drag
520 RegionCreateDrag (Editor *, ArdourCanvas::Item *, TimeAxisView *);
522 void motion (GdkEvent *, bool);
523 void finished (GdkEvent *, bool);
527 MidiTimeAxisView* _view;
528 boost::shared_ptr<ARDOUR::Region> _region;
531 /** Drags to resize MIDI notes */
532 class NoteResizeDrag : public Drag
535 NoteResizeDrag (Editor *, ArdourCanvas::Item *);
537 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
538 void motion (GdkEvent *, bool);
539 void finished (GdkEvent *, bool);
543 MidiRegionView* region;
550 /** Drags to move MIDI notes */
551 class NoteDrag : public Drag
554 NoteDrag (Editor*, ArdourCanvas::Item*);
556 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
557 void motion (GdkEvent *, bool);
558 void finished (GdkEvent *, bool);
561 void setup_pointer_sample_offset ();
564 double total_dx (GdkEvent * event) const; // total movement in quarter notes
565 int8_t total_dy () const;
567 MidiRegionView* _region;
569 double _cumulative_dx;
570 double _cumulative_dy;
571 double _earliest; // earliest quarter note in note selection
577 class NoteCreateDrag : public Drag
580 NoteCreateDrag (Editor *, ArdourCanvas::Item *, MidiRegionView *);
583 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
584 void motion (GdkEvent *, bool);
585 void finished (GdkEvent *, bool);
588 bool active (Editing::MouseMode mode) {
589 return mode == Editing::MouseDraw || mode == Editing::MouseContent;
592 bool y_movement_matters () const {
597 double y_to_region (double) const;
598 ARDOUR::samplecnt_t grid_samples (samplepos_t) const;
600 /** @return minimum number of samples (in x) and pixels (in y) that should be considered a movement */
601 virtual std::pair<ARDOUR::samplecnt_t, int> move_threshold () const {
602 return std::make_pair (0, 0);
605 MidiRegionView* _region_view;
606 ArdourCanvas::Rectangle* _drag_rect;
607 samplepos_t _note[2];
610 class HitCreateDrag : public Drag
613 HitCreateDrag (Editor *, ArdourCanvas::Item *, MidiRegionView *);
616 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
617 void motion (GdkEvent *, bool);
618 void finished (GdkEvent *, bool);
621 bool active (Editing::MouseMode mode) {
622 return mode == Editing::MouseDraw || mode == Editing::MouseContent;
625 bool y_movement_matters () const {
630 double y_to_region (double) const;
631 ARDOUR::samplecnt_t grid_samples (samplepos_t) const;
633 /** @return minimum number of samples (in x) and pixels (in y) that should be considered a movement */
634 virtual std::pair<ARDOUR::samplecnt_t, int> move_threshold () const {
635 return std::make_pair (0, 0);
638 MidiRegionView* _region_view;
639 samplepos_t _last_pos;
644 /** Drag to move MIDI patch changes */
645 class PatchChangeDrag : public Drag
648 PatchChangeDrag (Editor *, PatchChange *, MidiRegionView *);
650 void motion (GdkEvent *, bool);
651 void finished (GdkEvent *, bool);
654 bool y_movement_matters () const {
658 void setup_pointer_sample_offset ();
661 MidiRegionView* _region_view;
662 PatchChange* _patch_change;
663 double _cumulative_dx;
666 /** Container for details about audio regions being dragged along with video */
670 AVDraggingView (RegionView *);
672 RegionView* view; ///< the view
673 samplepos_t initial_position; ///< initial position of the region
676 /** Drag of video offset */
677 class VideoTimeLineDrag : public Drag
680 VideoTimeLineDrag (Editor *e, ArdourCanvas::Item *i);
682 void motion (GdkEvent *, bool);
683 void finished (GdkEvent *, bool);
684 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
686 bool y_movement_matters () const {
690 bool allow_vertical_autoscroll () const {
697 std::list<AVDraggingView> _views; ///< information about all audio that are being dragged along
700 ARDOUR::sampleoffset_t _startdrag_video_offset;
701 ARDOUR::sampleoffset_t _max_backwards_drag;
705 /** Drag to trim region(s) */
706 class TrimDrag : public RegionDrag
715 TrimDrag (Editor *, ArdourCanvas::Item *, RegionView*, std::list<RegionView*> const &, bool preserve_fade_anchor = false);
717 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
718 void motion (GdkEvent *, bool);
719 void finished (GdkEvent *, bool);
722 bool y_movement_matters () const {
726 void setup_pointer_sample_offset ();
730 Operation _operation;
732 bool _preserve_fade_anchor;
733 bool _jump_position_when_done;
736 /** Meter marker drag */
737 class MeterMarkerDrag : public Drag
740 MeterMarkerDrag (Editor *, ArdourCanvas::Item *, bool);
742 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
743 void motion (GdkEvent *, bool);
744 void finished (GdkEvent *, bool);
747 bool allow_vertical_autoscroll () const {
751 bool y_movement_matters () const {
755 void setup_pointer_sample_offset ();
758 MeterMarker* _marker;
759 ARDOUR::MeterSection* _real_section;
762 Editing::GridType _old_grid_type;
763 Editing::SnapMode _old_snap_mode;
764 XMLNode* before_state;
767 /** Tempo marker drag */
768 class TempoMarkerDrag : public Drag
771 TempoMarkerDrag (Editor *, ArdourCanvas::Item *, bool);
773 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
774 void motion (GdkEvent *, bool);
775 void finished (GdkEvent *, bool);
778 bool allow_vertical_autoscroll () const {
782 bool y_movement_matters () const {
786 void setup_pointer_sample_offset ();
789 TempoMarker* _marker;
790 ARDOUR::TempoSection* _real_section;
794 ARDOUR::Tempo _grab_bpm;
796 XMLNode* _before_state;
799 /** BBT Ruler drag */
800 class BBTRulerDrag : public Drag
803 BBTRulerDrag (Editor *, ArdourCanvas::Item *);
805 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
806 void motion (GdkEvent *, bool);
807 void finished (GdkEvent *, bool);
810 bool allow_vertical_autoscroll () const {
814 bool y_movement_matters () const {
818 void setup_pointer_sample_offset ();
822 ARDOUR::TempoSection* _tempo;
823 XMLNode* _before_state;
827 /** tempo curve twist drag */
828 class TempoTwistDrag : public Drag
831 TempoTwistDrag (Editor *, ArdourCanvas::Item *);
833 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
834 void motion (GdkEvent *, bool);
835 void finished (GdkEvent *, bool);
838 bool allow_vertical_autoscroll () const {
842 bool y_movement_matters () const {
846 void setup_pointer_sample_offset ();
850 ARDOUR::Tempo _grab_tempo;
851 ARDOUR::TempoSection* _tempo;
852 ARDOUR::TempoSection* _next_tempo;
854 XMLNode* _before_state;
858 /** tempo curve twist drag */
859 class TempoEndDrag : public Drag
862 TempoEndDrag (Editor *, ArdourCanvas::Item *);
864 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
865 void motion (GdkEvent *, bool);
866 void finished (GdkEvent *, bool);
869 bool allow_vertical_autoscroll () const {
873 bool y_movement_matters () const {
877 void setup_pointer_sample_offset ();
881 ARDOUR::TempoSection* _tempo;
882 XMLNode* _before_state;
886 /** Drag of the playhead cursor */
887 class CursorDrag : public Drag
890 CursorDrag (Editor *, EditorCursor&, bool);
892 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
893 void motion (GdkEvent *, bool);
894 void finished (GdkEvent *, bool);
897 bool allow_vertical_autoscroll () const {
901 bool y_movement_matters () const {
906 void fake_locate (samplepos_t);
908 EditorCursor& _cursor;
909 bool _stop; ///< true to stop the transport on starting the drag, otherwise false
910 double _grab_zoom; ///< editor samples per unit when our grab started
919 /** Region fade-in drag */
920 class FadeInDrag : public RegionDrag
923 FadeInDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
925 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
926 void motion (GdkEvent *, bool);
927 void finished (GdkEvent *, bool);
930 bool y_movement_matters () const {
934 void setup_pointer_sample_offset ();
937 /** Region fade-out drag */
938 class FadeOutDrag : public RegionDrag
941 FadeOutDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
943 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
944 void motion (GdkEvent *, bool);
945 void finished (GdkEvent *, bool);
948 bool y_movement_matters () const {
952 void setup_pointer_sample_offset ();
956 class MarkerDrag : public Drag
959 MarkerDrag (Editor *, ArdourCanvas::Item *);
962 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
963 void motion (GdkEvent *, bool);
964 void finished (GdkEvent *, bool);
967 bool allow_vertical_autoscroll () const {
971 bool y_movement_matters () const {
975 void setup_pointer_sample_offset ();
978 void update_item (ARDOUR::Location *);
980 ArdourMarker* _marker; ///< marker being dragged
981 bool _selection_changed;
982 struct CopiedLocationMarkerInfo {
983 ARDOUR::Location* location;
984 std::vector<ArdourMarker*> markers;
986 CopiedLocationMarkerInfo (ARDOUR::Location* l, ArdourMarker* m);
989 typedef std::list<CopiedLocationMarkerInfo> CopiedLocationInfo;
990 CopiedLocationInfo _copied_locations;
991 ArdourCanvas::Points _points;
994 /** Control point drag */
995 class ControlPointDrag : public Drag
998 ControlPointDrag (Editor *, ArdourCanvas::Item *);
1000 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1001 void motion (GdkEvent *, bool);
1002 void finished (GdkEvent *, bool);
1003 void aborted (bool);
1005 bool active (Editing::MouseMode m);
1009 ControlPoint* _point;
1010 double _fixed_grab_x;
1011 double _fixed_grab_y;
1012 double _cumulative_x_drag;
1013 double _cumulative_y_drag;
1015 uint32_t _final_index;
1016 static double _zero_gain_fraction;
1019 /** Gain or automation line drag */
1020 class LineDrag : public Drag
1023 LineDrag (Editor *e, ArdourCanvas::Item *i);
1025 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1026 void motion (GdkEvent *, bool);
1027 void finished (GdkEvent *, bool);
1028 void aborted (bool);
1032 AutomationLine* _line;
1033 double _fixed_grab_x;
1034 double _fixed_grab_y;
1035 double _cumulative_y_drag;
1040 /** Transient feature line drags*/
1041 class FeatureLineDrag : public Drag
1044 FeatureLineDrag (Editor *e, ArdourCanvas::Item *i);
1046 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1047 void motion (GdkEvent *, bool);
1048 void finished (GdkEvent *, bool);
1049 void aborted (bool);
1053 ArdourCanvas::Line* _line;
1054 AudioRegionView* _arv;
1056 double _region_view_grab_x;
1057 double _cumulative_x_drag;
1063 /** Dragging of a rubberband rectangle for selecting things */
1064 class RubberbandSelectDrag : public Drag
1067 RubberbandSelectDrag (Editor *, ArdourCanvas::Item *);
1069 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1070 void motion (GdkEvent *, bool);
1071 void finished (GdkEvent *, bool);
1072 void aborted (bool);
1074 std::pair<ARDOUR::samplecnt_t, int> move_threshold () const {
1075 return std::make_pair (8, 1);
1078 void do_select_things (GdkEvent *, bool);
1080 /** Select some things within a rectangle.
1081 * @param button_state The button state from the GdkEvent.
1082 * @param x1 The left-hand side of the rectangle in session samples.
1083 * @param x2 The right-hand side of the rectangle in session samples.
1084 * @param y1 The top of the rectangle in trackview coordinates.
1085 * @param y2 The bottom of the rectangle in trackview coordinates.
1086 * @param drag_in_progress true if the drag is currently happening.
1088 virtual void select_things (int button_state, samplepos_t x1, samplepos_t x2, double y1, double y2, bool drag_in_progress) = 0;
1090 virtual void deselect_things () = 0;
1093 bool _vertical_only;
1096 /** A general editor RubberbandSelectDrag (for regions, automation points etc.) */
1097 class EditorRubberbandSelectDrag : public RubberbandSelectDrag
1100 EditorRubberbandSelectDrag (Editor *, ArdourCanvas::Item *);
1102 void select_things (int, samplepos_t, samplepos_t, double, double, bool);
1103 void deselect_things ();
1106 /** A RubberbandSelectDrag for selecting MIDI notes */
1107 class MidiRubberbandSelectDrag : public RubberbandSelectDrag
1110 MidiRubberbandSelectDrag (Editor *, MidiRegionView *);
1112 void select_things (int, samplepos_t, samplepos_t, double, double, bool);
1113 void deselect_things ();
1116 MidiRegionView* _region_view;
1119 /** A RubberbandSelectDrag for selecting MIDI notes but with no horizonal component */
1120 class MidiVerticalSelectDrag : public RubberbandSelectDrag
1123 MidiVerticalSelectDrag (Editor *, MidiRegionView *);
1125 void select_things (int, samplepos_t, samplepos_t, double, double, bool);
1126 void deselect_things ();
1129 MidiRegionView* _region_view;
1132 /** Region drag in time-FX mode */
1133 class TimeFXDrag : public RegionDrag
1136 TimeFXDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
1138 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1139 void motion (GdkEvent *, bool);
1140 void finished (GdkEvent *, bool);
1141 void aborted (bool);
1144 /** Scrub drag in audition mode */
1145 class ScrubDrag : public Drag
1148 ScrubDrag (Editor *, ArdourCanvas::Item *);
1150 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1151 void motion (GdkEvent *, bool);
1152 void finished (GdkEvent *, bool);
1153 void aborted (bool);
1156 /** Drag in range select mode */
1157 class SelectionDrag : public Drag
1168 SelectionDrag (Editor *, ArdourCanvas::Item *, Operation);
1170 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1171 void motion (GdkEvent *, bool);
1172 void finished (GdkEvent *, bool);
1173 void aborted (bool);
1175 void setup_pointer_sample_offset ();
1178 Operation _operation;
1180 TrackSelection _track_selection_at_start;
1181 bool _time_selection_at_start;
1182 samplepos_t start_at_start;
1183 samplepos_t end_at_start;
1186 /** Range marker drag */
1187 class RangeMarkerBarDrag : public Drag
1193 CreateTransportMarker,
1197 RangeMarkerBarDrag (Editor *, ArdourCanvas::Item *, Operation);
1198 ~RangeMarkerBarDrag ();
1200 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1201 void motion (GdkEvent *, bool);
1202 void finished (GdkEvent *, bool);
1203 void aborted (bool);
1205 bool allow_vertical_autoscroll () const {
1209 bool y_movement_matters () const {
1214 void update_item (ARDOUR::Location *);
1216 Operation _operation;
1217 ArdourCanvas::Rectangle* _drag_rect;
1221 /** Drag of rectangle to set zoom */
1222 class MouseZoomDrag : public Drag
1225 MouseZoomDrag (Editor *, ArdourCanvas::Item *);
1227 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1228 void motion (GdkEvent *, bool);
1229 void finished (GdkEvent *, bool);
1230 void aborted (bool);
1232 std::pair<ARDOUR::samplecnt_t, int> move_threshold () const {
1233 return std::make_pair (4, 4);
1240 /** Drag of a range of automation data (either on an automation track or region gain),
1241 * changing value but not position.
1243 class AutomationRangeDrag : public Drag
1246 AutomationRangeDrag (Editor *, AutomationTimeAxisView *, std::list<ARDOUR::AudioRange> const &);
1247 AutomationRangeDrag (Editor *, RegionView *, std::list<RegionView*> const &, std::list<ARDOUR::AudioRange> const &);
1249 void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
1250 void motion (GdkEvent *, bool);
1251 void finished (GdkEvent *, bool);
1252 void aborted (bool);
1254 bool x_movement_matters () const {
1259 void setup (std::list<boost::shared_ptr<AutomationLine> > const &);
1260 double y_fraction (boost::shared_ptr<AutomationLine>, double global_y_position) const;
1261 double value (boost::shared_ptr<ARDOUR::AutomationList> list, double x) const;
1263 std::list<ARDOUR::AudioRange> _ranges;
1265 /** A line that is part of the drag */
1267 boost::shared_ptr<AutomationLine> line; ///< the line
1268 std::list<ControlPoint*> points; ///< points to drag on the line
1269 std::pair<ARDOUR::samplepos_t, ARDOUR::samplepos_t> range; ///< the range of all points on the line, in session samples
1270 XMLNode* state; ///< the XML state node before the drag
1271 double original_fraction; ///< initial y-fraction before the drag
1274 std::list<Line> _lines;
1276 bool _nothing_to_drag;
1280 /** Drag of one edge of an xfade
1282 class CrossfadeEdgeDrag : public Drag
1285 CrossfadeEdgeDrag (Editor*, AudioRegionView*, ArdourCanvas::Item*, bool start);
1287 void start_grab (GdkEvent*, Gdk::Cursor* c = 0);
1288 void motion (GdkEvent*, bool);
1289 void finished (GdkEvent*, bool);
1290 void aborted (bool);
1292 bool y_movement_matters () const {
1296 virtual std::pair<ARDOUR::samplecnt_t, int> move_threshold () const {
1297 return std::make_pair (4, 4);
1301 AudioRegionView* arv;
1305 #endif /* __gtk2_ardour_editor_drag_h_ */