NoteDrag Class Reference

#include <editor_drag.h>

Inheritance diagram for NoteDrag:

Public Member Functions
	NoteDrag (EditingContext &, ArdourCanvas::Item *)
void	start_grab (GdkEvent *, Gdk::Cursor *c=0)
void	motion (GdkEvent *, bool)
void	finished (GdkEvent *, bool)
void	aborted (bool)
void	setup_pointer_offset ()
bool	allow_vertical_autoscroll () const
Public Member Functions inherited from Drag
	Drag (EditingContext &, ArdourCanvas::Item *, Temporal::TimeDomain td, ArdourCanvas::Item const *bounding_item, bool hide_snapped_cursor=true)
virtual	~Drag ()
void	set_manager (DragManager *m)
void	set_bounding_item (ArdourCanvas::Item const *i)
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 bool	end_grab (GdkEvent *)
virtual bool	active (Editing::MouseMode m)
bool	preview_video () const
std::pair< Temporal::timecnt_t, int >	move_threshold () 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_video_offset ()
int	grab_button () const

Private Member Functions
Temporal::timecnt_t	total_dx (GdkEvent *event) const
int8_t	total_dy () const

Private Attributes
MidiView *	_view
NoteBase *	_primary
Temporal::timecnt_t	_cumulative_dx
double	_cumulative_dy
Temporal::timepos_t	_earliest
bool	_was_selected
double	_note_height
bool	_copy

Additional Inherited Members
Protected Member Functions inherited from Drag
double	grab_x () const
double	grab_y () const
Temporal::timepos_t	pixel_duration_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 inherited from Drag
EditingContext &	editing_context
DragManager *	_drags
ArdourCanvas::Item *	_item
	our item More...
ArdourCanvas::Item const *	_bounding_item
	our coordinate reference (normally null) 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...

Detailed Description

Drags to move MIDI notes

Definition at line 630 of file editor_drag.h.

Constructor & Destructor Documentation

NoteDrag()

NoteDrag::NoteDrag	(	EditingContext &	,
		ArdourCanvas::Item *
	)

Member Function Documentation

aborted()

void NoteDrag::aborted ( bool  m )

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.

Implements Drag.

allow_vertical_autoscroll()

bool NoteDrag::allow_vertical_autoscroll ( ) const

inlinevirtual

Reimplemented from Drag.

Definition at line 642 of file editor_drag.h.

finished()

void NoteDrag::finished ( GdkEvent *  e, bool  m  )

virtual

Called when a drag has finished.

Parameters

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

Implements Drag.

motion()

void NoteDrag::motion ( GdkEvent *  e, bool  f  )

virtual

Called when a drag motion has occurred.

Parameters

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

Implements Drag.

setup_pointer_offset()

void NoteDrag::setup_pointer_offset ( )

virtual

Set up the _pointer_offset

Reimplemented from Drag.

start_grab()

void NoteDrag::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 from Drag.

total_dx()

Temporal::timecnt_t NoteDrag::total_dx ( GdkEvent *  event ) const

private

total_dy()

int8_t NoteDrag::total_dy ( ) const

private

Member Data Documentation

_copy

bool NoteDrag::_copy

private

Definition at line 658 of file editor_drag.h.

_cumulative_dx

Temporal::timecnt_t NoteDrag::_cumulative_dx

private

Definition at line 653 of file editor_drag.h.

_cumulative_dy

double NoteDrag::_cumulative_dy

private

Definition at line 654 of file editor_drag.h.

_earliest

Temporal::timepos_t NoteDrag::_earliest

private

Definition at line 655 of file editor_drag.h.

_note_height

double NoteDrag::_note_height

private

Definition at line 657 of file editor_drag.h.

_primary

NoteBase* NoteDrag::_primary

private

Definition at line 652 of file editor_drag.h.

_view

MidiView* NoteDrag::_view

private

Definition at line 651 of file editor_drag.h.

_was_selected

bool NoteDrag::_was_selected

private

Definition at line 656 of file editor_drag.h.

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

• editor_drag.h