AgsNavigation: Advanced Gtk+ Sequencer Application Reference Manual

AgsNavigation

AgsNavigation — control audio object's playback.

Stability Level

Stable, unless otherwise indicated

Functions

gchar *	ags_navigation_tact_to_time_string ()
gchar *	ags_navigation_relative_tact_to_time_string ()
gchar *	ags_navigation_absolute_tact_to_time_string ()
void	ags_navigation_update_time_string ()
void	ags_navigation_set_seeking_sensitive ()
void	ags_navigation_change_position ()
AgsNavigation *	ags_navigation_new ()

Types and Values

#define	AGS_NAVIGATION_DEFAULT_BPM
#define	AGS_NAVIGATION_DEFAULT_TACT_STEP
#define	AGS_NAVIGATION_SEEK_STEPS
#define	AGS_NAVIGATION_REWIND_STEPS
#define	AGS_NAVIGATION_DURATION_ZERO
#define	AGS_NAVIGATION_MAX_POSITION_TACT
#define	AGS_NAVIGATION_MAX_POSITION_TICS
enum	AgsNavigationFlags

Includes

#include <ags/app/ags_navigation.h>

Description

AgsNavigation is a composite widget to control playback of AgsAudio objects. It can start AgsMachine in bulk mode or position the stream.

Functions

ags_navigation_tact_to_time_string ()

gchar *
ags_navigation_tact_to_time_string (gdouble tact,
                                    gdouble bpm,
                                    gdouble delay_factor);

Convert tact unit to time.

Parameters

tact	the new position
bpm	the BPM
delay_factor	the delay factor

Returns

tact as time string

Since: 3.0.0

ags_navigation_relative_tact_to_time_string ()

gchar *
ags_navigation_relative_tact_to_time_string
                               (gchar *timestr,
                                gdouble delay,
                                gdouble bpm,
                                gdouble delay_factor);

ags_navigation_absolute_tact_to_time_string ()

gchar *
ags_navigation_absolute_tact_to_time_string
                               (gdouble tact,
                                gdouble bpm,
                                gdouble delay_factor);

ags_navigation_update_time_string ()

void
ags_navigation_update_time_string (double tact,
                                   gdouble bpm,
                                   gdouble delay_factor,
                                   gchar *time_string);

Updates time as string.

Parameters

tact	the new position
bpm	the BPM
delay_factor	the delay factor
time_string	the pointer location to set

Since: 3.0.0

ags_navigation_set_seeking_sensitive ()

void
ags_navigation_set_seeking_sensitive (AgsNavigation *navigation,
                                      gboolean enabled);

ags_navigation_change_position ()

void
ags_navigation_change_position (AgsNavigation *navigation,
                                gdouble tact);

Change tact position of editor. The scrollbar is adjustet and its playback position seeked.

Parameters

navigation	the AgsNavigation
tact	the new position

Since: 3.0.0

ags_navigation_new ()

AgsNavigation *
ags_navigation_new ();

Create a new instance of AgsNavigation to control the tree.

Returns

the new AgsNavigation

Since: 3.0.0

Types and Values

AGS_NAVIGATION_DEFAULT_BPM

#define AGS_NAVIGATION_DEFAULT_BPM (120.0)

AGS_NAVIGATION_DEFAULT_TACT_STEP

#define AGS_NAVIGATION_DEFAULT_TACT_STEP (1.0)

AGS_NAVIGATION_SEEK_STEPS

#define AGS_NAVIGATION_SEEK_STEPS (1.0)

AGS_NAVIGATION_REWIND_STEPS

#define AGS_NAVIGATION_REWIND_STEPS (4.0)

AGS_NAVIGATION_DURATION_ZERO

#define AGS_NAVIGATION_DURATION_ZERO "0000:00.000"

AGS_NAVIGATION_MAX_POSITION_TACT

#define AGS_NAVIGATION_MAX_POSITION_TACT (16 * 1200)

AGS_NAVIGATION_MAX_POSITION_TICS

#define AGS_NAVIGATION_MAX_POSITION_TICS (16 * 16 * 1200)

enum AgsNavigationFlags

Members

AGS_NAVIGATION_BLOCK_TACT
AGS_NAVIGATION_BLOCK_PLAY
AGS_NAVIGATION_BLOCK_TIC
AGS_NAVIGATION_BLOCK_BPM