#include <editor_drag.h>

Inheritance diagram for Drag:

Public Member Functions
	Drag (Editor , ArdourCanvas::Item , Temporal::TimeDomain td, bool trackview_only=true, bool hide_snapped_cursor=true)

virtual	~Drag ()

void	set_manager (DragManager *m)

ArdourCanvas::Item *	item () const

Temporal::TimeDomain	time_domain () const

void	set_time_domain (Temporal::TimeDomain)

void	swap_grab (ArdourCanvas::Item , Gdk::Cursor , uint32_t)

bool	motion_handler (GdkEvent *, bool)

void	abort ()

Temporal::timepos_t	adjusted_time (Temporal::timepos_t const &, GdkEvent const *, bool snap=true) const

Temporal::timepos_t	adjusted_current_time (GdkEvent const *, bool snap=true) const

bool	was_double_click () const

void	set_double_click (bool yn)

void	set_grab_button_anyway (GdkEvent *)

virtual void	start_grab (GdkEvent e, Gdk::Cursor c=0)

virtual bool	end_grab (GdkEvent *)

virtual void	motion (GdkEvent *e, bool f)=0

virtual void	finished (GdkEvent *e, bool m)=0

virtual void	aborted (bool m)=0

virtual bool	active (Editing::MouseMode m)

bool	preview_video () const

std::pair< Temporal::timecnt_t, int >	move_threshold () const

virtual bool	allow_vertical_autoscroll () const

virtual bool	allow_horizontal_autoscroll () const

virtual bool	x_movement_matters () const

virtual bool	y_movement_matters () const

virtual bool	mid_drag_key_event (GdkEventKey *)

bool	initially_vertical () const

virtual void	setup_pointer_offset ()

virtual void	setup_video_offset ()

int	grab_button () const

Protected Member Functions
double	grab_x () const

double	grab_y () const

Temporal::timepos_t	pixel_to_time (double x) const

Temporal::timepos_t	raw_grab_time () const

ARDOUR::samplepos_t	grab_sample () const

Temporal::timepos_t	grab_time () const

double	last_pointer_x () const

double	last_pointer_y () const

ARDOUR::samplepos_t	last_pointer_sample () const

Temporal::timepos_t	last_pointer_time () const

Temporal::timecnt_t	snap_delta (guint const) const

double	current_pointer_x () const

double	current_pointer_y () const

void	setup_snap_delta (Temporal::timepos_t const &pos)

std::shared_ptr< ARDOUR::Region >	add_midi_region (MidiTimeAxisView *, bool commit)

void	show_verbose_cursor_time (Temporal::timepos_t const &)

void	show_verbose_cursor_duration (Temporal::timepos_t const &, Temporal::timepos_t const &, double xoffset=0)

void	show_verbose_cursor_text (std::string const &)

void	show_view_preview (Temporal::timepos_t const &)

Protected Attributes
Editor *	_editor
	our editor More...

DragManager *	_drags

ArdourCanvas::Item *	_item
	our item More...

Temporal::timecnt_t	_pointer_offset

Temporal::timecnt_t	_video_offset

bool	_preview_video

bool	_x_constrained
	true if x motion is constrained, otherwise false More...

bool	_y_constrained
	true if y motion is constrained, otherwise false More...

bool	_was_rolling
	true if the session was rolling before the drag started, otherwise false More...

ARDOUR::timepos_t	_earliest_time_limit
	time we cannot drag before (defaults to 0, indicating no such limit) More...

Private Attributes
bool	_trackview_only
	true if pointer y value should always be relative to the top of the trackview group More...

bool	_hide_snapped_cursor
	set true of Drag::motion does not call `set_snapped_cursor_position` More...

bool	_move_threshold_passed
	true if the move threshold has been passed, otherwise false More...

bool	_starting_point_passed
	true if we called move () with first_move flag, otherwise false More...

bool	_initially_vertical
	true if after move threshold is passed we appear to be moving vertically; undefined before that More...

bool	_was_double_click
	true if drag initiated by a double click event More...

double	_grab_x
	trackview x of the grab start position More...

double	_grab_y
	y of the grab start position, possibly adjusted if _trackview_only is true More...

double	_last_pointer_x
	trackview x of the pointer last time a motion occurred More...

double	_last_pointer_y
	trackview y of the pointer last time a motion occurred More...

Temporal::timepos_t	_raw_grab_time
	unsnapped time that the mouse was at when start_grab was called, or 0 More...

Temporal::timepos_t	_grab_time
	adjusted_time that the mouse was at when start_grab was called, or 0 More...

Temporal::timepos_t	_last_pointer_time
	adjusted_time the last time a motion occurred More...

Temporal::TimeDomain	_time_domain

Temporal::timecnt_t	_snap_delta

CursorContext::Handle	_cursor_ctx
	cursor change context More...

bool	_constraint_pressed
	if the keyboard indicated constraint modifier was pressed on start_grab() More...

int	_grab_button

Gtkmm2ext::Bindings::DragsBlockBindings	binding_blocker

Detailed Description

Abstract base class for dragging of things within the editor

Definition at line 151 of file editor_drag.h.

Constructor & Destructor Documentation

◆ Drag()

Drag::Drag	(	Editor *	,
		ArdourCanvas::Item *	,
		Temporal::TimeDomain	td,
		bool	trackview_only = `true`,
		bool	hide_snapped_cursor = `true`
	)

◆ ~Drag()

virtual Drag::~Drag ( )

virtual

Member Function Documentation

◆ abort()

void Drag::abort ( )

◆ aborted()

virtual void Drag::aborted ( bool m )

pure virtual

Called to abort a drag and return things to how they were before it started.

Parameters

m	true if some movement occurred, otherwise false.

Implemented in VelocityLineDrag, AutomationDrawDrag, LollipopDrag, RegionMarkerDrag, CrossfadeEdgeDrag, AutomationRangeDrag, MouseZoomDrag, RangeMarkerBarDrag, SelectionMarkerDrag, SelectionDrag, TimeFXDrag, RubberbandSelectDrag, FeatureLineDrag, LineDrag, ControlPointDrag, MarkerDrag, FadeOutDrag, FadeInDrag, CursorDrag, TempoEndDrag, TempoTwistDrag, MappingTwistDrag, MappingEndDrag, BBTMarkerDrag, TempoMarkerDrag, TempoCurveDrag, MeterMarkerDrag, TrimDrag, VideoTimeLineDrag, PatchChangeDrag, HitCreateDrag, NoteCreateDrag, NoteDrag, NoteResizeDrag, RegionCreateDrag, RegionCutDrag, RegionInsertDrag, RegionMoveDrag, RegionMotionDrag, RegionBrushDrag, and RegionSlipContentsDrag.

◆ active()

virtual bool Drag::active ( Editing::MouseMode m )

inlinevirtual

Parameters

m	Mouse mode.

Returns: true if this drag should happen in this mouse mode.

Reimplemented in HitCreateDrag, NoteCreateDrag, and ControlPointDrag.

Definition at line 210 of file editor_drag.h.

◆ add_midi_region()

std::shared_ptr<ARDOUR::Region> Drag::add_midi_region	(	MidiTimeAxisView *	,
		bool	commit
	)

protected

◆ adjusted_current_time()

Temporal::timepos_t Drag::adjusted_current_time	(	GdkEvent const *	,
		bool	snap = `true`
	)		const

◆ adjusted_time()

Temporal::timepos_t Drag::adjusted_time	(	Temporal::timepos_t const &	,
		GdkEvent const *	,
		bool	snap = `true`
	)		const

◆ allow_horizontal_autoscroll()

virtual bool Drag::allow_horizontal_autoscroll ( ) const

inlinevirtual

Reimplemented in LollipopDrag, MappingTwistDrag, and MappingEndDrag.

Definition at line 227 of file editor_drag.h.

◆ allow_vertical_autoscroll()

virtual bool Drag::allow_vertical_autoscroll ( ) const

inlinevirtual

Reimplemented in LollipopDrag, RegionMarkerDrag, RangeMarkerBarDrag, LineDrag, ControlPointDrag, MarkerDrag, FadeOutDrag, FadeInDrag, CursorDrag, TempoEndDrag, TempoTwistDrag, MappingTwistDrag, MappingEndDrag, BBTMarkerDrag, TempoMarkerDrag, MeterMarkerDrag, TrimDrag, VideoTimeLineDrag, PatchChangeDrag, NoteCreateDrag, NoteDrag, and NoteResizeDrag.

Definition at line 223 of file editor_drag.h.

◆ current_pointer_x()

double Drag::current_pointer_x ( ) const

protected

◆ current_pointer_y()

double Drag::current_pointer_y ( ) const

protected

◆ end_grab()

virtual bool Drag::end_grab ( GdkEvent * )

virtual

◆ finished()

virtual void Drag::finished	(	GdkEvent *	e,
		bool	m
	)

pure virtual

Called when a drag has finished.

Parameters

e	Event describing the finish.
m	true if some movement occurred, otherwise false.

Implemented in VelocityLineDrag, AutomationDrawDrag, FreehandLineDrag< OrderedPointList, OrderedPoint >, FreehandLineDrag< Evoral::ControlList::OrderedPoints, Evoral::ControlList::OrderedPoint >, LollipopDrag, RegionMarkerDrag, CrossfadeEdgeDrag, AutomationRangeDrag, MouseZoomDrag, RangeMarkerBarDrag, SelectionMarkerDrag, SelectionDrag, TimeFXDrag, RubberbandSelectDrag, FeatureLineDrag, LineDrag, ControlPointDrag, MarkerDrag, FadeOutDrag, FadeInDrag, CursorDrag, TempoEndDrag, TempoTwistDrag, MappingTwistDrag, MappingEndDrag, BBTMarkerDrag, TempoMarkerDrag, TempoCurveDrag, MeterMarkerDrag, TrimDrag, VideoTimeLineDrag, PatchChangeDrag, HitCreateDrag, NoteCreateDrag, NoteDrag, NoteResizeDrag, RegionCreateDrag, RegionCutDrag, RegionInsertDrag, RegionMoveDrag, RegionMotionDrag, RegionBrushDrag, and RegionSlipContentsDrag.

◆ grab_button()

int Drag::grab_button ( ) const

inline

Definition at line 259 of file editor_drag.h.

◆ grab_sample()

ARDOUR::samplepos_t Drag::grab_sample ( ) const

inlineprotected

Definition at line 277 of file editor_drag.h.

◆ grab_time()

Temporal::timepos_t Drag::grab_time ( ) const

inlineprotected

Definition at line 281 of file editor_drag.h.

◆ grab_x()

double Drag::grab_x ( ) const

inlineprotected

Definition at line 263 of file editor_drag.h.

◆ grab_y()

double Drag::grab_y ( ) const

inlineprotected

Definition at line 267 of file editor_drag.h.

◆ initially_vertical()

bool Drag::initially_vertical ( ) const

inline

Definition at line 243 of file editor_drag.h.

◆ item()

ArdourCanvas::Item* Drag::item ( ) const

inline

Returns: the canvas item being dragged

Definition at line 162 of file editor_drag.h.

◆ last_pointer_sample()

ARDOUR::samplepos_t Drag::last_pointer_sample ( ) const

inlineprotected

Definition at line 293 of file editor_drag.h.

◆ last_pointer_time()

Temporal::timepos_t Drag::last_pointer_time ( ) const

inlineprotected

Definition at line 297 of file editor_drag.h.

◆ last_pointer_x()

double Drag::last_pointer_x ( ) const

inlineprotected

Definition at line 285 of file editor_drag.h.

◆ last_pointer_y()

double Drag::last_pointer_y ( ) const

inlineprotected

Definition at line 289 of file editor_drag.h.

◆ mid_drag_key_event()

virtual bool Drag::mid_drag_key_event ( GdkEventKey * )

inlinevirtual

Reimplemented in FreehandLineDrag< OrderedPointList, OrderedPoint >, and FreehandLineDrag< Evoral::ControlList::OrderedPoints, Evoral::ControlList::OrderedPoint >.

Definition at line 241 of file editor_drag.h.

◆ motion()

virtual void Drag::motion	(	GdkEvent *	e,
		bool	f
	)

pure virtual

Called when a drag motion has occurred.

Parameters

e	Event describing the motion.
f	true if this is the first movement, otherwise false.

Implemented in FreehandLineDrag< OrderedPointList, OrderedPoint >, FreehandLineDrag< Evoral::ControlList::OrderedPoints, Evoral::ControlList::OrderedPoint >, LollipopDrag, RegionMarkerDrag, CrossfadeEdgeDrag, AutomationRangeDrag, MouseZoomDrag, RangeMarkerBarDrag, SelectionMarkerDrag, SelectionDrag, TimeFXDrag, RubberbandSelectDrag, FeatureLineDrag, LineDrag, ControlPointDrag, MarkerDrag, FadeOutDrag, FadeInDrag, CursorDrag, TempoEndDrag, TempoTwistDrag, MappingTwistDrag, MappingEndDrag, BBTMarkerDrag, TempoMarkerDrag, TempoCurveDrag, MeterMarkerDrag, TrimDrag, VideoTimeLineDrag, PatchChangeDrag, HitCreateDrag, NoteCreateDrag, NoteDrag, NoteResizeDrag, RegionCreateDrag, RegionCutDrag, RegionMoveDrag, RegionMotionDrag, RegionBrushDrag, and RegionSlipContentsDrag.

◆ motion_handler()

bool Drag::motion_handler	(	GdkEvent *	,
		bool
	)

◆ move_threshold()

std::pair<Temporal::timecnt_t,int> Drag::move_threshold ( ) const

inline

Returns: minimum number of samples (in x) and pixels (in y) that should be considered a movement

Definition at line 219 of file editor_drag.h.

◆ pixel_to_time()

Temporal::timepos_t Drag::pixel_to_time ( double x ) const

protected

◆ preview_video()

bool Drag::preview_video ( ) const

inline

Definition at line 214 of file editor_drag.h.

◆ raw_grab_time()

Temporal::timepos_t Drag::raw_grab_time ( ) const

inlineprotected

Definition at line 273 of file editor_drag.h.

◆ set_double_click()

void Drag::set_double_click ( bool yn )

inline

Definition at line 177 of file editor_drag.h.

◆ set_grab_button_anyway()

void Drag::set_grab_button_anyway ( GdkEvent * )

◆ set_manager()

void Drag::set_manager ( DragManager * m )

inline

Definition at line 157 of file editor_drag.h.

◆ set_time_domain()

void Drag::set_time_domain ( Temporal::TimeDomain )

◆ setup_pointer_offset()

virtual void Drag::setup_pointer_offset ( )

inlinevirtual

Set up the _pointer_offset

Reimplemented in LollipopDrag, RegionMarkerDrag, SelectionDrag, MarkerDrag, FadeOutDrag, FadeInDrag, TempoEndDrag, TempoTwistDrag, MappingTwistDrag, MappingEndDrag, BBTMarkerDrag, TempoMarkerDrag, MeterMarkerDrag, TrimDrag, PatchChangeDrag, NoteDrag, and RegionMoveDrag.

Definition at line 248 of file editor_drag.h.

◆ setup_snap_delta()

void Drag::setup_snap_delta ( Temporal::timepos_t const & pos )

protected

◆ setup_video_offset()

virtual void Drag::setup_video_offset ( )

inlinevirtual

Set up the _video_offset - relative to _current_pointer_time

Reimplemented in MarkerDrag, and RegionDrag.

Definition at line 253 of file editor_drag.h.

◆ show_verbose_cursor_duration()

void Drag::show_verbose_cursor_duration	(	Temporal::timepos_t const &	,
		Temporal::timepos_t const &	,
		double	xoffset = `0`
	)

protected

◆ show_verbose_cursor_text()

void Drag::show_verbose_cursor_text ( std::string const & )

protected

◆ show_verbose_cursor_time()

void Drag::show_verbose_cursor_time ( Temporal::timepos_t const & )

protected

◆ show_view_preview()

void Drag::show_view_preview ( Temporal::timepos_t const & )

protected

◆ snap_delta()

Temporal::timecnt_t Drag::snap_delta ( guint const ) const

protected

◆ start_grab()

virtual void Drag::start_grab	(	GdkEvent *	e,
		Gdk::Cursor *	c = `0`
	)

virtual

Called to start a grab of an item.

Parameters

e	Event that caused the grab to start.
c	Cursor to use, or 0.

Reimplemented in VelocityLineDrag, LollipopDrag, RegionMarkerDrag, CrossfadeEdgeDrag, AutomationRangeDrag, MouseZoomDrag, RangeMarkerBarDrag, SelectionMarkerDrag, SelectionDrag, TimeFXDrag, RubberbandSelectDrag, FeatureLineDrag, LineDrag, ControlPointDrag, MarkerDrag, FadeOutDrag, FadeInDrag, CursorDrag, TempoEndDrag, TempoTwistDrag, MappingTwistDrag, MappingEndDrag, BBTMarkerDrag, TempoMarkerDrag, TempoCurveDrag, MeterMarkerDrag, TrimDrag, VideoTimeLineDrag, HitCreateDrag, NoteCreateDrag, NoteDrag, NoteResizeDrag, RegionCutDrag, RegionMotionDrag, RegionBrushDrag, and RegionSlipContentsDrag.

◆ swap_grab()

void Drag::swap_grab	(	ArdourCanvas::Item *	,
		Gdk::Cursor *	,
		uint32_t
	)

◆ time_domain()

Temporal::TimeDomain Drag::time_domain ( ) const

inline

Definition at line 166 of file editor_drag.h.

◆ was_double_click()

bool Drag::was_double_click ( ) const

inline

Definition at line 176 of file editor_drag.h.

◆ x_movement_matters()

virtual bool Drag::x_movement_matters ( ) const

inlinevirtual

Returns: true if x movement matters to this drag

Reimplemented in LollipopDrag, and AutomationRangeDrag.

Definition at line 232 of file editor_drag.h.

◆ y_movement_matters()

virtual bool Drag::y_movement_matters ( ) const

inlinevirtual

Returns: true if y movement matters to this drag

Reimplemented in RegionMarkerDrag, CrossfadeEdgeDrag, RangeMarkerBarDrag, MarkerDrag, FadeOutDrag, FadeInDrag, CursorDrag, TempoEndDrag, TempoTwistDrag, MappingTwistDrag, MappingEndDrag, BBTMarkerDrag, TempoMarkerDrag, MeterMarkerDrag, TrimDrag, VideoTimeLineDrag, PatchChangeDrag, HitCreateDrag, and NoteCreateDrag.

Definition at line 237 of file editor_drag.h.

Member Data Documentation

◆ _constraint_pressed

bool Drag::_constraint_pressed

private

if the keyboard indicated constraint modifier was pressed on start_grab()

Definition at line 349 of file editor_drag.h.

◆ _cursor_ctx

CursorContext::Handle Drag::_cursor_ctx

private

cursor change context

Definition at line 348 of file editor_drag.h.

◆ _drags

DragManager* Drag::_drags

protected

Definition at line 317 of file editor_drag.h.

◆ _earliest_time_limit

ARDOUR::timepos_t Drag::_earliest_time_limit

protected

time we cannot drag before (defaults to 0, indicating no such limit)

Definition at line 326 of file editor_drag.h.

◆ _editor

Editor* Drag::_editor

protected

our editor

Definition at line 316 of file editor_drag.h.

◆ _grab_button

int Drag::_grab_button

private

Definition at line 350 of file editor_drag.h.

◆ _grab_time

Temporal::timepos_t Drag::_grab_time

private

adjusted_time that the mouse was at when start_grab was called, or 0

Definition at line 340 of file editor_drag.h.

◆ _grab_x

double Drag::_grab_x

private

trackview x of the grab start position

Definition at line 335 of file editor_drag.h.

◆ _grab_y

double Drag::_grab_y

private

y of the grab start position, possibly adjusted if _trackview_only is true

Definition at line 336 of file editor_drag.h.

◆ _hide_snapped_cursor

bool Drag::_hide_snapped_cursor

private

set true of Drag::motion does not call set_snapped_cursor_position

Definition at line 330 of file editor_drag.h.

◆ _initially_vertical

bool Drag::_initially_vertical

private

true if after move threshold is passed we appear to be moving vertically; undefined before that

Definition at line 333 of file editor_drag.h.

◆ _item

ArdourCanvas::Item* Drag::_item

protected

our item

Definition at line 318 of file editor_drag.h.

◆ _last_pointer_time

Temporal::timepos_t Drag::_last_pointer_time

private

adjusted_time the last time a motion occurred

Definition at line 341 of file editor_drag.h.

◆ _last_pointer_x

double Drag::_last_pointer_x

private

trackview x of the pointer last time a motion occurred

Definition at line 337 of file editor_drag.h.

◆ _last_pointer_y

double Drag::_last_pointer_y

private

trackview y of the pointer last time a motion occurred

Definition at line 338 of file editor_drag.h.

◆ _move_threshold_passed

bool Drag::_move_threshold_passed

private

true if the move threshold has been passed, otherwise false

Definition at line 331 of file editor_drag.h.

◆ _pointer_offset

Temporal::timecnt_t Drag::_pointer_offset

protected

Offset from the mouse's position for the drag to the start of the thing that is being dragged

Definition at line 320 of file editor_drag.h.

◆ _preview_video

bool Drag::_preview_video

protected

Definition at line 322 of file editor_drag.h.

◆ _raw_grab_time

Temporal::timepos_t Drag::_raw_grab_time

private

unsnapped time that the mouse was at when start_grab was called, or 0

Definition at line 339 of file editor_drag.h.

◆ _snap_delta

Temporal::timecnt_t Drag::_snap_delta

private

Definition at line 347 of file editor_drag.h.

◆ _starting_point_passed

bool Drag::_starting_point_passed

private

true if we called move () with first_move flag, otherwise false

Definition at line 332 of file editor_drag.h.

◆ _time_domain

Temporal::TimeDomain Drag::_time_domain

private

Definition at line 342 of file editor_drag.h.

◆ _trackview_only

bool Drag::_trackview_only

private

true if pointer y value should always be relative to the top of the trackview group

Definition at line 329 of file editor_drag.h.

◆ _video_offset

Temporal::timecnt_t Drag::_video_offset

protected

Definition at line 321 of file editor_drag.h.

◆ _was_double_click

bool Drag::_was_double_click

private

true if drag initiated by a double click event

Definition at line 334 of file editor_drag.h.

◆ _was_rolling

bool Drag::_was_rolling

protected

true if the session was rolling before the drag started, otherwise false

Definition at line 325 of file editor_drag.h.

◆ _x_constrained

bool Drag::_x_constrained

protected

true if x motion is constrained, otherwise false

Definition at line 323 of file editor_drag.h.

◆ _y_constrained

bool Drag::_y_constrained

protected

true if y motion is constrained, otherwise false

Definition at line 324 of file editor_drag.h.

◆ binding_blocker

Gtkmm2ext::Bindings::DragsBlockBindings Drag::binding_blocker

private

Definition at line 352 of file editor_drag.h.

The documentation for this class was generated from the following file:

editor_drag.h

Public Member Functions

Protected Member Functions

Protected Attributes

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Drag()

◆ ~Drag()

Member Function Documentation

◆ abort()

◆ aborted()

◆ active()

◆ add_midi_region()

◆ adjusted_current_time()

◆ adjusted_time()

◆ allow_horizontal_autoscroll()

◆ allow_vertical_autoscroll()

◆ current_pointer_x()

◆ current_pointer_y()

◆ end_grab()

◆ finished()

◆ grab_button()

◆ grab_sample()

◆ grab_time()

◆ grab_x()

◆ grab_y()

◆ initially_vertical()

◆ item()

◆ last_pointer_sample()

◆ last_pointer_time()

◆ last_pointer_x()

◆ last_pointer_y()

◆ mid_drag_key_event()

◆ motion()

◆ motion_handler()

◆ move_threshold()

◆ pixel_to_time()

◆ preview_video()

◆ raw_grab_time()

◆ set_double_click()

◆ set_grab_button_anyway()

◆ set_manager()

◆ set_time_domain()

◆ setup_pointer_offset()

◆ setup_snap_delta()

◆ setup_video_offset()

◆ show_verbose_cursor_duration()

◆ show_verbose_cursor_text()

◆ show_verbose_cursor_time()

◆ show_view_preview()

◆ snap_delta()

◆ start_grab()

◆ swap_grab()

◆ time_domain()

◆ was_double_click()

◆ x_movement_matters()

◆ y_movement_matters()

Member Data Documentation

◆ _constraint_pressed

◆ _cursor_ctx

◆ _drags

◆ _earliest_time_limit

◆ _editor

◆ _grab_button

◆ _grab_time

◆ _grab_x

◆ _grab_y

◆ _hide_snapped_cursor

◆ _initially_vertical

◆ _item

◆ _last_pointer_time

◆ _last_pointer_x

◆ _last_pointer_y

◆ _move_threshold_passed

◆ _pointer_offset

◆ _preview_video

◆ _raw_grab_time

◆ _snap_delta

◆ _starting_point_passed

◆ _time_domain