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livetrax/gtk2_ardour/editor_drag.h
Ben Loftis 46c8369328 merge fix
2015-07-16 16:13:24 -05:00

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/*
Copyright (C) 2009 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __gtk2_ardour_editor_drag_h_
#define __gtk2_ardour_editor_drag_h_
#include <list>
#include <gdk/gdk.h>
#include <stdint.h>
#include "ardour/types.h"
#include "canvas/types.h"
#include "cursor_context.h"
#include "editor_items.h"
#include "mouse_cursors.h"
#include "editing.h"
namespace ARDOUR {
class Location;
}
namespace ArdourCanvas {
class Item;
class Line;
class Rectangle;
}
namespace PBD {
class StatefulDiffCommand;
}
class PatchChange;
class Editor;
class EditorCursor;
class TimeAxisView;
class MidiTimeAxisView;
class Drag;
class NoteBase;
class RegionView;
class TimeAxisView;
class RouteTimeAxisView;
class RegionSelection;
class MidiRegionView;
class MeterMarker;
class Marker;
class TempoMarker;
class ControlPoint;
class AudioRegionView;
class AutomationLine;
class AutomationTimeAxisView;
/** Class to manage current drags */
class DragManager
{
public:
DragManager (Editor* e);
~DragManager ();
bool motion_handler (GdkEvent *, bool);
void abort ();
void add (Drag *);
void set (Drag *, GdkEvent *, Gdk::Cursor* c = MouseCursors::invalid_cursor());
void start_grab (GdkEvent *, Gdk::Cursor* c = MouseCursors::invalid_cursor());
bool end_grab (GdkEvent *);
bool have_item (ArdourCanvas::Item *) const;
void mark_double_click ();
/** @return true if an end drag or abort is in progress */
bool ending () const {
return _ending;
}
bool active () const {
return !_drags.empty ();
}
/** @return current pointer x position in canvas coordinates */
double current_pointer_x () const {
return _current_pointer_x;
}
/** @return current pointer y position in canvas coordinates */
double current_pointer_y () const {
return _current_pointer_y;
}
/** @return current pointer frame */
ARDOUR::framepos_t current_pointer_frame () const {
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; ///< canvas-coordinate space x of the current pointer
double _current_pointer_y; ///< canvas-coordinate space y of the current pointer
ARDOUR::framepos_t _current_pointer_frame; ///< frame that the pointer is now at
bool _old_follow_playhead; ///< state of Editor::follow_playhead() before the drags started
};
/** Abstract base class for dragging of things within the editor */
class Drag
{
public:
Drag (Editor *, ArdourCanvas::Item *, bool trackview_only = true);
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 ();
ARDOUR::framepos_t adjusted_frame (ARDOUR::framepos_t, GdkEvent const *, bool snap = true) const;
ARDOUR::framepos_t adjusted_current_frame (GdkEvent const *, bool snap = true) const;
bool was_double_click() const { return _was_double_click; }
void set_double_click (bool yn) { _was_double_click = yn; }
/** 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 start_grab (GdkEvent* e, Gdk::Cursor* c = 0);
virtual bool end_grab (GdkEvent *);
/** Called when a drag motion has occurred.
* @param e Event describing the motion.
* @param f true if this is the first movement, otherwise false.
*/
virtual void motion (GdkEvent* e, bool f) = 0;
/** Called when a drag has finished.
* @param e Event describing the finish.
* @param m true if some movement occurred, otherwise false.
*/
virtual void finished (GdkEvent* e, bool m) = 0;
/** Called to abort a drag and return things to how
* they were before it started.
* @param m true if some movement occurred, otherwise false.
*/
virtual void aborted (bool m) = 0;
/** @param m Mouse mode.
* @return true if this drag should happen in this mouse mode.
*/
virtual bool active (Editing::MouseMode m) {
return true;
}
/** @return minimum number of frames (in x) and pixels (in y) that should be considered a movement */
virtual std::pair<ARDOUR::framecnt_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;
}
bool initially_vertical() const {
return _initially_vertical;
}
/** Set up the _pointer_frame_offset */
virtual void setup_pointer_frame_offset () {
_pointer_frame_offset = 0;
}
protected:
double grab_x () const {
return _grab_x;
}
double grab_y () const {
return _grab_y;
}
ARDOUR::framepos_t raw_grab_frame () const {
return _raw_grab_frame;
}
ARDOUR::framepos_t grab_frame () const {
return _grab_frame;
}
double last_pointer_x () const {
return _last_pointer_x;
}
double last_pointer_y () const {
return _last_pointer_y;
}
ARDOUR::framepos_t last_pointer_frame () const {
return _last_pointer_frame;
}
ARDOUR::frameoffset_t snap_delta (guint const) const;
double current_pointer_x () const;
double current_pointer_y () const;
/* sets snap delta from unsnapped pos */
void setup_snap_delta (framepos_t pos);
boost::shared_ptr<ARDOUR::Region> add_midi_region (MidiTimeAxisView*);
void show_verbose_cursor_time (framepos_t);
void show_verbose_cursor_duration (framepos_t, framepos_t, double xoffset = 0);
void show_verbose_cursor_text (std::string const &);
Editor* _editor; ///< our editor
DragManager* _drags;
ArdourCanvas::Item* _item; ///< our item
/** Offset from the mouse's position for the drag to the start of the thing that is being dragged */
ARDOUR::framecnt_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
private:
bool _trackview_only; ///< true if pointer y value should always be relative to the top of the trackview group
bool _move_threshold_passed; ///< true if the move threshold has been passed, otherwise false
bool _starting_point_passed; ///< true if we called move () with first_move flag, otherwise false
bool _initially_vertical; ///< true if after move threshold is passed we appear to be moving vertically; undefined before that
bool _was_double_click; ///< true if drag initiated by a double click event
double _grab_x; ///< trackview x of the grab start position
double _grab_y; ///< y of the grab start position, possibly adjusted if _trackview_only is true
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
ARDOUR::framepos_t _raw_grab_frame; ///< unsnapped frame that the mouse was at when start_grab was called, or 0
ARDOUR::framepos_t _grab_frame; ///< adjusted_frame that the mouse was at when start_grab was called, or 0
ARDOUR::framepos_t _last_pointer_frame; ///< adjusted_frame the last time a motion occurred
/* difference between some key position's snapped and unsnapped
* framepos. used for relative snap.
*/
ARDOUR::frameoffset_t _snap_delta;
CursorContext::Handle _cursor_ctx; ///< cursor change context
};
class RegionDrag;
/** Container for details about a region being dragged */
class DraggingView
{
public:
DraggingView (RegionView *, RegionDrag *, TimeAxisView* original_tav);
RegionView* view; ///< the view
/** index into RegionDrag::_time_axis_views of the view that this region is currently being displayed on,
* or -1 if it is not visible.
*/
int time_axis_view;
/** layer that this region is currently being displayed on. This is a double
rather than a layer_t as we use fractional layers during drags to allow the user
to indicate a new layer to put a region on.
*/
double layer;
double initial_y; ///< the initial y position of the view before any reparenting
framepos_t initial_position; ///< initial position of the region
framepos_t initial_end; ///< initial end position of the region
framepos_t anchored_fade_length; ///< fade_length when anchored during drag
boost::shared_ptr<ARDOUR::Playlist> initial_playlist;
TimeAxisView* initial_time_axis_view;
};
/** Abstract base class for drags that involve region(s) */
class RegionDrag : public Drag, public sigc::trackable
{
public:
RegionDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
virtual ~RegionDrag () {}
protected:
RegionView* _primary; ///< the view that was clicked on (or whatever) to start the drag
std::list<DraggingView> _views; ///< information about all views that are being dragged
/** a list of the non-hidden TimeAxisViews sorted by editor order key */
std::vector<TimeAxisView*> _time_axis_views;
int find_time_axis_view (TimeAxisView *) const;
int apply_track_delta (const int start, const int delta, const int skip, const bool distance_only = false) const;
int _visible_y_low;
int _visible_y_high;
uint32_t _ntracks;
friend class DraggingView;
private:
void region_going_away (RegionView *);
PBD::ScopedConnection death_connection;
};
/** Drags involving region motion from somewhere */
class RegionMotionDrag : public RegionDrag
{
public:
RegionMotionDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &, bool);
virtual ~RegionMotionDrag () {}
virtual void start_grab (GdkEvent *, Gdk::Cursor *);
virtual void motion (GdkEvent *, bool);
virtual void finished (GdkEvent *, bool);
virtual void aborted (bool);
/** @return true if the regions being `moved' came from somewhere on the canvas;
* false if they came from outside (e.g. from the region list).
*/
virtual bool regions_came_from_canvas () const = 0;
protected:
double compute_x_delta (GdkEvent const *, ARDOUR::framepos_t *);
virtual bool y_movement_allowed (int, double, int skip_invisible = 0) const;
bool _brushing;
ARDOUR::framepos_t _last_frame_position; ///< last position of the thing being dragged
double _total_x_delta;
int _last_pointer_time_axis_view;
double _last_pointer_layer;
private:
uint32_t _ndropzone;
uint32_t _pdropzone;
uint32_t _ddropzone;
};
/** Drags to move (or copy) regions that are already shown in the GUI to
* somewhere different.
*/
class RegionMoveDrag : public RegionMotionDrag
{
public:
RegionMoveDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &, bool, bool);
virtual ~RegionMoveDrag () {}
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool regions_came_from_canvas () const {
return true;
}
std::pair<ARDOUR::framecnt_t, int> move_threshold () const {
return std::make_pair (4, 4);
}
void setup_pointer_frame_offset ();
protected:
typedef std::set<boost::shared_ptr<ARDOUR::Playlist> > PlaylistSet;
void add_stateful_diff_commands_for_playlists (PlaylistSet const &);
private:
void finished_no_copy (
bool const,
bool const,
ARDOUR::framecnt_t const
);
void finished_copy (
bool const,
bool const,
ARDOUR::framecnt_t const
);
RegionView* insert_region_into_playlist (
boost::shared_ptr<ARDOUR::Region>,
RouteTimeAxisView*,
ARDOUR::layer_t,
ARDOUR::framecnt_t,
PlaylistSet&
);
void remove_region_from_playlist (
boost::shared_ptr<ARDOUR::Region>,
boost::shared_ptr<ARDOUR::Playlist>,
PlaylistSet& modified_playlists
);
void collect_new_region_view (RegionView *);
RouteTimeAxisView* create_destination_time_axis (boost::shared_ptr<ARDOUR::Region>, TimeAxisView* original);
bool _copy;
RegionView* _new_region_view;
};
/** Drag to insert a region from somewhere */
class RegionInsertDrag : public RegionMotionDrag
{
public:
RegionInsertDrag (Editor *, boost::shared_ptr<ARDOUR::Region>, RouteTimeAxisView*, ARDOUR::framepos_t);
void finished (GdkEvent *, bool);
void aborted (bool);
bool regions_came_from_canvas () const {
return false;
}
};
/** Region drag in splice mode */
class RegionSpliceDrag : public RegionMoveDrag
{
public:
RegionSpliceDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
};
/** Region drag in ripple mode */
class RegionRippleDrag : public RegionMoveDrag
{
public:
RegionRippleDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
~RegionRippleDrag () { delete exclude; }
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
protected:
bool y_movement_allowed (int delta_track, double delta_layer, int skip_invisible = 0) const;
private:
TimeAxisView *prev_tav; // where regions were most recently dragged from
TimeAxisView *orig_tav; // where drag started
ARDOUR::framecnt_t prev_amount;
ARDOUR::framepos_t prev_position;
ARDOUR::framecnt_t selection_length;
bool allow_moves_across_tracks; // only if all selected regions are on one track
ARDOUR::RegionList *exclude;
void add_all_after_to_views (TimeAxisView *tav, ARDOUR::framepos_t where, const RegionSelection &exclude, bool drag_in_progress);
void remove_unselected_from_views (ARDOUR::framecnt_t amount, bool move_regions);
};
/** "Drag" to cut a region (action only on button release) */
class RegionCutDrag : public Drag
{
public:
RegionCutDrag (Editor*, ArdourCanvas::Item*, framepos_t);
~RegionCutDrag ();
void motion (GdkEvent*, bool);
void finished (GdkEvent*, bool);
void aborted (bool);
private:
EditorCursor* line;
};
/** Drags to create regions */
class RegionCreateDrag : public Drag
{
public:
RegionCreateDrag (Editor *, ArdourCanvas::Item *, TimeAxisView *);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
private:
MidiTimeAxisView* _view;
boost::shared_ptr<ARDOUR::Region> _region;
};
/** Drags to resize MIDI notes */
class NoteResizeDrag : public Drag
{
public:
NoteResizeDrag (Editor *, ArdourCanvas::Item *);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
private:
MidiRegionView* region;
bool relative;
bool at_front;
double _snap_delta;
};
/** Drags to move MIDI notes */
class NoteDrag : public Drag
{
public:
NoteDrag (Editor*, ArdourCanvas::Item*);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
private:
ARDOUR::frameoffset_t total_dx (const guint) const;
int8_t total_dy () const;
MidiRegionView* _region;
NoteBase* _primary;
double _cumulative_dx;
double _cumulative_dy;
bool _was_selected;
double _note_height;
};
class NoteCreateDrag : public Drag
{
public:
NoteCreateDrag (Editor *, ArdourCanvas::Item *, MidiRegionView *);
~NoteCreateDrag ();
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool active (Editing::MouseMode mode) {
return mode == Editing::MouseDraw || mode == Editing::MouseContent;
}
bool y_movement_matters () const {
return false;
}
private:
double y_to_region (double) const;
ARDOUR::framecnt_t grid_frames (framepos_t) const;
MidiRegionView* _region_view;
ArdourCanvas::Rectangle* _drag_rect;
framepos_t _note[2];
};
/** Drag to move MIDI patch changes */
class PatchChangeDrag : public Drag
{
public:
PatchChangeDrag (Editor *, PatchChange *, MidiRegionView *);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool y_movement_matters () const {
return false;
}
void setup_pointer_frame_offset ();
private:
MidiRegionView* _region_view;
PatchChange* _patch_change;
double _cumulative_dx;
};
/** Container for details about audio regions being dragged along with video */
class AVDraggingView
{
public:
AVDraggingView (RegionView *);
RegionView* view; ///< the view
framepos_t initial_position; ///< initial position of the region
};
/** Drag of video offset */
class VideoTimeLineDrag : public Drag
{
public:
VideoTimeLineDrag (Editor *e, ArdourCanvas::Item *i);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
bool y_movement_matters () const {
return false;
}
bool allow_vertical_autoscroll () const {
return false;
}
void aborted (bool);
protected:
std::list<AVDraggingView> _views; ///< information about all audio that are being dragged along
private:
ARDOUR::frameoffset_t _startdrag_video_offset;
ARDOUR::frameoffset_t _max_backwards_drag;
};
/** Drag to trim region(s) */
class TrimDrag : public RegionDrag
{
public:
enum Operation {
StartTrim,
EndTrim,
ContentsTrim,
};
TrimDrag (Editor *, ArdourCanvas::Item *, RegionView*, std::list<RegionView*> const &, bool preserve_fade_anchor = false);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool y_movement_matters () const {
return false;
}
void setup_pointer_frame_offset ();
private:
Operation _operation;
bool _preserve_fade_anchor;
bool _jump_position_when_done;
};
/** Meter marker drag */
class MeterMarkerDrag : public Drag
{
public:
MeterMarkerDrag (Editor *, ArdourCanvas::Item *, bool);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool allow_vertical_autoscroll () const {
return false;
}
bool y_movement_matters () const {
return false;
}
void setup_pointer_frame_offset ();
private:
MeterMarker* _marker;
bool _copy;
XMLNode* before_state;
};
/** Tempo marker drag */
class TempoMarkerDrag : public Drag
{
public:
TempoMarkerDrag (Editor *, ArdourCanvas::Item *, bool);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool allow_vertical_autoscroll () const {
return false;
}
bool y_movement_matters () const {
return false;
}
void setup_pointer_frame_offset ();
private:
TempoMarker* _marker;
bool _copy;
XMLNode* before_state;
};
/** Drag of the playhead cursor */
class CursorDrag : public Drag
{
public:
CursorDrag (Editor *, EditorCursor&, bool);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool allow_vertical_autoscroll () const {
return false;
}
bool y_movement_matters () const {
return true;
}
private:
void fake_locate (framepos_t);
EditorCursor& _cursor;
bool _stop; ///< true to stop the transport on starting the drag, otherwise false
double _grab_zoom; ///< editor frames per unit when our grab started
};
/** Region fade-in drag */
class FadeInDrag : public RegionDrag
{
public:
FadeInDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool y_movement_matters () const {
return false;
}
void setup_pointer_frame_offset ();
};
/** Region fade-out drag */
class FadeOutDrag : public RegionDrag
{
public:
FadeOutDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool y_movement_matters () const {
return false;
}
void setup_pointer_frame_offset ();
};
/** Marker drag */
class MarkerDrag : public Drag
{
public:
MarkerDrag (Editor *, ArdourCanvas::Item *);
~MarkerDrag ();
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool allow_vertical_autoscroll () const {
return false;
}
bool y_movement_matters () const {
return false;
}
void setup_pointer_frame_offset ();
private:
void update_item (ARDOUR::Location *);
Marker* _marker; ///< marker being dragged
struct CopiedLocationMarkerInfo {
ARDOUR::Location* location;
std::vector<Marker*> markers;
bool move_both;
CopiedLocationMarkerInfo (ARDOUR::Location* l, Marker* m);
};
typedef std::list<CopiedLocationMarkerInfo> CopiedLocationInfo;
CopiedLocationInfo _copied_locations;
ArdourCanvas::Points _points;
};
/** Control point drag */
class ControlPointDrag : public Drag
{
public:
ControlPointDrag (Editor *, ArdourCanvas::Item *);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool active (Editing::MouseMode m);
private:
ControlPoint* _point;
double _fixed_grab_x;
double _fixed_grab_y;
double _cumulative_x_drag;
double _cumulative_y_drag;
bool _pushing;
uint32_t _final_index;
static double _zero_gain_fraction;
};
/** Gain or automation line drag */
class LineDrag : public Drag
{
public:
LineDrag (Editor *e, ArdourCanvas::Item *i);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
private:
AutomationLine* _line;
double _fixed_grab_x;
double _fixed_grab_y;
double _cumulative_y_drag;
uint32_t _before;
uint32_t _after;
};
/** Transient feature line drags*/
class FeatureLineDrag : public Drag
{
public:
FeatureLineDrag (Editor *e, ArdourCanvas::Item *i);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
private:
ArdourCanvas::Line* _line;
AudioRegionView* _arv;
double _region_view_grab_x;
double _cumulative_x_drag;
float _before;
uint32_t _max_x;
};
/** Dragging of a rubberband rectangle for selecting things */
class RubberbandSelectDrag : public Drag
{
public:
RubberbandSelectDrag (Editor *, ArdourCanvas::Item *);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
std::pair<ARDOUR::framecnt_t, int> move_threshold () const {
return std::make_pair (8, 1);
}
void do_select_things (GdkEvent *, bool);
/** Select some things within a rectangle.
* @param button_state The button state from the GdkEvent.
* @param x1 The left-hand side of the rectangle in session frames.
* @param x2 The right-hand side of the rectangle in session frames.
* @param y1 The top of the rectangle in trackview coordinates.
* @param y2 The bottom of the rectangle in trackview coordinates.
* @param drag_in_progress true if the drag is currently happening.
*/
virtual void select_things (int button_state, framepos_t x1, framepos_t x2, double y1, double y2, bool drag_in_progress) = 0;
virtual void deselect_things () = 0;
protected:
bool _vertical_only;
};
/** A general editor RubberbandSelectDrag (for regions, automation points etc.) */
class EditorRubberbandSelectDrag : public RubberbandSelectDrag
{
public:
EditorRubberbandSelectDrag (Editor *, ArdourCanvas::Item *);
void select_things (int, framepos_t, framepos_t, double, double, bool);
void deselect_things ();
};
/** A RubberbandSelectDrag for selecting MIDI notes */
class MidiRubberbandSelectDrag : public RubberbandSelectDrag
{
public:
MidiRubberbandSelectDrag (Editor *, MidiRegionView *);
void select_things (int, framepos_t, framepos_t, double, double, bool);
void deselect_things ();
private:
MidiRegionView* _region_view;
};
/** A RubberbandSelectDrag for selecting MIDI notes but with no horizonal component */
class MidiVerticalSelectDrag : public RubberbandSelectDrag
{
public:
MidiVerticalSelectDrag (Editor *, MidiRegionView *);
void select_things (int, framepos_t, framepos_t, double, double, bool);
void deselect_things ();
private:
MidiRegionView* _region_view;
};
/** Region drag in time-FX mode */
class TimeFXDrag : public RegionDrag
{
public:
TimeFXDrag (Editor *, ArdourCanvas::Item *, RegionView *, std::list<RegionView*> const &);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
};
/** Scrub drag in audition mode */
class ScrubDrag : public Drag
{
public:
ScrubDrag (Editor *, ArdourCanvas::Item *);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
};
/** Drag in range select mode */
class SelectionDrag : public Drag
{
public:
enum Operation {
CreateSelection,
SelectionStartTrim,
SelectionEndTrim,
SelectionMove,
SelectionExtend
};
SelectionDrag (Editor *, ArdourCanvas::Item *, Operation);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
void setup_pointer_frame_offset ();
private:
Operation _operation;
bool _add;
std::list<TimeAxisView*> _added_time_axes;
bool _time_selection_at_start;
framepos_t start_at_start;
framepos_t end_at_start;
};
/** Range marker drag */
class RangeMarkerBarDrag : public Drag
{
public:
enum Operation {
CreateSkipMarker,
CreateRangeMarker,
CreateTransportMarker,
CreateCDMarker
};
RangeMarkerBarDrag (Editor *, ArdourCanvas::Item *, Operation);
~RangeMarkerBarDrag ();
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool allow_vertical_autoscroll () const {
return false;
}
bool y_movement_matters () const {
return false;
}
private:
void update_item (ARDOUR::Location *);
Operation _operation;
ArdourCanvas::Rectangle* _drag_rect;
bool _copy;
};
/** Drag of rectangle to set zoom */
class MouseZoomDrag : public Drag
{
public:
MouseZoomDrag (Editor *, ArdourCanvas::Item *);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
std::pair<ARDOUR::framecnt_t, int> move_threshold () const {
return std::make_pair (4, 4);
}
private:
bool _zoom_out;
};
/** Drag of a range of automation data (either on an automation track or region gain),
* changing value but not position.
*/
class AutomationRangeDrag : public Drag
{
public:
AutomationRangeDrag (Editor *, AutomationTimeAxisView *, std::list<ARDOUR::AudioRange> const &);
AutomationRangeDrag (Editor *, RegionView *, std::list<ARDOUR::AudioRange> const &);
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted (bool);
bool x_movement_matters () const {
return false;
}
private:
void setup (std::list<boost::shared_ptr<AutomationLine> > const &);
double y_fraction (boost::shared_ptr<AutomationLine>, double global_y_position) const;
double value (boost::shared_ptr<ARDOUR::AutomationList> list, double x) const;
std::list<ARDOUR::AudioRange> _ranges;
/** A line that is part of the drag */
struct Line {
boost::shared_ptr<AutomationLine> line; ///< the line
std::list<ControlPoint*> points; ///< points to drag on the line
std::pair<ARDOUR::framepos_t, ARDOUR::framepos_t> range; ///< the range of all points on the line, in session frames
XMLNode* state; ///< the XML state node before the drag
double original_fraction; ///< initial y-fraction before the drag
};
std::list<Line> _lines;
double _y_origin;
bool _nothing_to_drag;
bool _integral;
};
/** Drag of one edge of an xfade
*/
class CrossfadeEdgeDrag : public Drag
{
public:
CrossfadeEdgeDrag (Editor*, AudioRegionView*, ArdourCanvas::Item*, bool start);
void start_grab (GdkEvent*, Gdk::Cursor* c = 0);
void motion (GdkEvent*, bool);
void finished (GdkEvent*, bool);
void aborted (bool);
bool y_movement_matters () const {
return false;
}
virtual std::pair<ARDOUR::framecnt_t, int> move_threshold () const {
return std::make_pair (4, 4);
}
private:
AudioRegionView* arv;
bool start;
};
#endif /* __gtk2_ardour_editor_drag_h_ */
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