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/***************************************************************************
* gtkvumeter.h
*
* $Id$
*
* Fri Jan 10 20:06:41 2003
* Copyright 2003 Todd Goyen
* wettoad@knighthoodofbuh.org
*
* Mon May 01 04:04:00 2006
* Copyright 2006 Ulf Lamping
* ulf.lamping@web.de
*
* Source code is LGPL'd,
* but may be distributed under any other open source license
****************************************************************************/
#ifndef __GTKVUMETER_H__
#define __GTKVUMETER_H__
#include <gtk/gtk.h>
G_BEGIN_DECLS
#define GTK_TYPE_VUMETER (gtk_vumeter_get_type ())
#define GTK_VUMETER(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_VUMETER, GtkVUMeter))
#define GTK_VUMETER_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_VUMETER GtkVUMeterClass))
#define GTK_IS_VUMETER(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_VUMETER))
#define GTK_IS_VUMETER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_VUMETER))
#define GTK_VUMETER_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_VUMETER, GtkVUMeterClass))
typedef struct _GtkVUMeter GtkVUMeter;
typedef struct _GtkVUMeterClass GtkVUMeterClass;
typedef enum {
GTK_VUMETER_PEAK_FALLOFF_SLOW=1, /* start with 1 to prevent CLAMP warnings */
GTK_VUMETER_PEAK_FALLOFF_MEDIUM,
GTK_VUMETER_PEAK_FALLOFF_FAST,
GTK_VUMETER_PEAK_FALLOFF_USER
} GtkVUMeterPeakFalloff;
typedef enum {
GTK_VUMETER_SCALING_LINEAR=1, /* start with 1 to prevent CLAMP warnings */
GTK_VUMETER_SCALING_LOG
} GtkVUMeterScaling;
typedef enum
{
GTK_VUMETER_LEFT_TO_RIGHT=1, /* start with 1 to prevent CLAMP warnings */
GTK_VUMETER_RIGHT_TO_LEFT,
GTK_VUMETER_BOTTOM_TO_TOP,
GTK_VUMETER_TOP_TO_BOTTOM
} GtkVUMeterOrientation;
struct _GtkVUMeter {
GtkWidget widget;
/* geometry */
gboolean vertical;
gboolean scale_inverted;
gint thickness;
gint reduced_thickness;
gint padding_left;
gint padding_right;
gint padding_top;
gint padding_bottom;
/* signal level */
gint level;
gint level_min;
gint level_max;
GtkVUMeterScaling scaling;
/* the scale */
GList *scale_items;
gint scale_pitch_holes;
/* peak indicator */
gboolean peak;
gint peak_level;
gint peak_redraw_rate;
guint peak_timeout;
gint peak_hold_factor;
gint peak_hold;
GtkVUMeterPeakFalloff peak_falloff_mode;
gint peak_falloff_rate;
/* colors */
GdkColormap *colormap;
gint colors;
GdkGC **f_gc;
GdkGC **b_gc;
GdkColor *f_colors;
GdkColor *b_colors;
gint f_brightness;
gint b_brightness;
gboolean colors_inverted;
gint yellow_level;
};
struct _GtkVUMeterClass {
GtkWidgetClass parent_class;
};
typedef struct _GtkVUMeterScaleItem {
gint level; /* level where to show the item (clamped: level_min/level_max) */
gboolean large; /* TRUE for a large, FALSE for a small pitch line */
const gchar *label; /* the label or NULL */
} GtkVUMeterScaleItem;
GtkType gtk_vumeter_get_type (void) G_GNUC_CONST;
GtkWidget *gtk_vumeter_new (void);
void gtk_vumeter_set_orientation(GtkVUMeter *vumeter, GtkVUMeterOrientation orientation);
GtkVUMeterOrientation gtk_vumeter_get_orientation(GtkVUMeter *vumeter);
void gtk_vumeter_set_thickness (GtkVUMeter *vumeter, gint size);
gint gtk_vumeter_get_thickness (GtkVUMeter *vumeter);
void gtk_vumeter_set_thickness_reduction (GtkVUMeter *vumeter, gint size);
gint gtk_vumeter_get_thickness_reduction (GtkVUMeter *vumeter);
void gtk_vumeter_set_min_max (GtkVUMeter *vumeter, gint *min, gint *max);
void gtk_vumeter_get_min_max (GtkVUMeter *vumeter, gint *min, gint *max);
void gtk_vumeter_set_level (GtkVUMeter *vumeter, gint level);
gint gtk_vumeter_get_level (GtkVUMeter *vumeter);
void gtk_vumeter_set_scaling (GtkVUMeter *vumeter, GtkVUMeterScaling scale);
GtkVUMeterScaling gtk_vumeter_get_scaling (GtkVUMeter *vumeter);
void gtk_vumeter_set_scale_items (GtkVUMeter *vumeter, GList *scale_items);
GList *gtk_vumeter_get_scale_items (GtkVUMeter *vumeter);
void gtk_vumeter_free_scale_items(GList *scale_items);
void gtk_vumeter_set_scale_hole_size (GtkVUMeter *vumeter, gint hole_size);
gint gtk_vumeter_get_scale_hole_size (GtkVUMeter *vumeter);
void gtk_vumeter_set_peak (GtkVUMeter *vumeter, gboolean peak, guint redraw_rate);
void gtk_vumeter_get_peak (GtkVUMeter *vumeter, gboolean *peak, guint *redraw_rate);
void gtk_vumeter_set_peak_hold_factor (GtkVUMeter *vumeter, gint hold_factor);
gint gtk_vumeter_get_peak_hold_factor (GtkVUMeter *vumeter);
void gtk_vumeter_set_peak_falloff (GtkVUMeter *vumeter, GtkVUMeterPeakFalloff peak_falloff, guint user_rate);
void gtk_vumeter_get_peak_falloff (GtkVUMeter *vumeter, GtkVUMeterPeakFalloff *peak_falloff, guint *user_rate);
void gtk_vumeter_set_colors_inverted (GtkVUMeter *vumeter, gboolean inverted);
gboolean gtk_vumeter_get_colors_inverted (GtkVUMeter *vumeter);
void gtk_vumeter_set_yellow_level (GtkVUMeter *vumeter, gint yellow_level);
gint gtk_vumeter_get_yellow_level (GtkVUMeter *vumeter);
void gtk_vumeter_set_brightness (GtkVUMeter *vumeter, gint foreground, gint background);
void gtk_vumeter_get_brightness (GtkVUMeter *vumeter, gint *foreground, gint *background);
G_END_DECLS
#endif /* __GTKVUMETER_H__ */
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