forked from osmocom/wireshark
153 lines
5.4 KiB
C
153 lines
5.4 KiB
C
/***************************************************************************
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* gtkvumeter.h
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*
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* Fri Jan 10 20:06:41 2003
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* Copyright 2003 Todd Goyen
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* wettoad@knighthoodofbuh.org
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*
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* Mon May 01 04:04:00 2006
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* Copyright 2006 Ulf Lamping
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* ulf.lamping@web.de
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*
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* Source code is LGPL'd,
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* but may be distributed under any other open source license
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****************************************************************************/
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#ifndef __GTKVUMETER_H__
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#define __GTKVUMETER_H__
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#include <gtk/gtk.h>
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#if GTK_MAJOR_VERSION >= 2
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G_BEGIN_DECLS
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#define GTK_TYPE_VUMETER (gtk_vumeter_get_type ())
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#define GTK_VUMETER(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_VUMETER, GtkVUMeter))
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#define GTK_VUMETER_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_VUMETER GtkVUMeterClass))
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#define GTK_IS_VUMETER(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_VUMETER))
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#define GTK_IS_VUMETER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_VUMETER))
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#define GTK_VUMETER_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_VUMETER, GtkVUMeterClass))
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typedef struct _GtkVUMeter GtkVUMeter;
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typedef struct _GtkVUMeterClass GtkVUMeterClass;
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typedef enum {
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GTK_VUMETER_PEAK_FALLOFF_SLOW=1, /* start with 1 to prevent CLAMP warnings */
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GTK_VUMETER_PEAK_FALLOFF_MEDIUM,
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GTK_VUMETER_PEAK_FALLOFF_FAST,
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GTK_VUMETER_PEAK_FALLOFF_USER
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} GtkVUMeterPeakFalloff;
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typedef enum {
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GTK_VUMETER_SCALING_LINEAR=1, /* start with 1 to prevent CLAMP warnings */
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GTK_VUMETER_SCALING_LOG
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} GtkVUMeterScaling;
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typedef enum
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{
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GTK_VUMETER_LEFT_TO_RIGHT=1, /* start with 1 to prevent CLAMP warnings */
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GTK_VUMETER_RIGHT_TO_LEFT,
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GTK_VUMETER_BOTTOM_TO_TOP,
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GTK_VUMETER_TOP_TO_BOTTOM
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} GtkVUMeterOrientation;
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struct _GtkVUMeter {
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GtkWidget widget;
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/* geometry */
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gboolean vertical;
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gboolean scale_inverted;
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gint thickness;
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gint reduced_thickness;
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gint padding_left;
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gint padding_right;
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gint padding_top;
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gint padding_bottom;
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/* signal level */
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gint level;
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gint level_min;
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gint level_max;
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GtkVUMeterScaling scaling;
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/* the scale */
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GList *scale_items;
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gint scale_pitch_holes;
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/* peak indicator */
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gboolean peak;
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gint peak_level;
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gint peak_redraw_rate;
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guint peak_timeout;
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gint peak_hold_factor;
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gint peak_hold;
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GtkVUMeterPeakFalloff peak_falloff_mode;
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gint peak_falloff_rate;
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/* colors */
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GdkColormap *colormap;
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gint colors;
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GdkGC **f_gc;
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GdkGC **b_gc;
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GdkColor *f_colors;
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GdkColor *b_colors;
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gint f_brightness;
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gint b_brightness;
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gboolean colors_inverted;
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gint yellow_level;
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};
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struct _GtkVUMeterClass {
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GtkWidgetClass parent_class;
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};
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typedef struct _GtkVUMeterScaleItem {
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gint level; /* level where to show the item (clamped: level_min/level_max) */
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gboolean large; /* TRUE for a large, FALSE for a small pitch line */
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const gchar *label; /* the label or NULL */
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} GtkVUMeterScaleItem;
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GtkType gtk_vumeter_get_type (void) G_GNUC_CONST;
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GtkWidget *gtk_vumeter_new (void);
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void gtk_vumeter_set_orientation(GtkVUMeter *vumeter, GtkVUMeterOrientation orientation);
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GtkVUMeterOrientation gtk_vumeter_get_orientation(GtkVUMeter *vumeter);
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void gtk_vumeter_set_thickness (GtkVUMeter *vumeter, gint size);
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gint gtk_vumeter_get_thickness (GtkVUMeter *vumeter);
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void gtk_vumeter_set_thickness_reduction (GtkVUMeter *vumeter, gint size);
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gint gtk_vumeter_get_thickness_reduction (GtkVUMeter *vumeter);
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void gtk_vumeter_set_min_max (GtkVUMeter *vumeter, gint *min, gint *max);
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void gtk_vumeter_get_min_max (GtkVUMeter *vumeter, gint *min, gint *max);
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void gtk_vumeter_set_level (GtkVUMeter *vumeter, gint level);
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gint gtk_vumeter_get_level (GtkVUMeter *vumeter);
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void gtk_vumeter_set_scaling (GtkVUMeter *vumeter, GtkVUMeterScaling scale);
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GtkVUMeterScaling gtk_vumeter_get_scaling (GtkVUMeter *vumeter);
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void gtk_vumeter_set_scale_items (GtkVUMeter *vumeter, GList *scale_items);
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GList *gtk_vumeter_get_scale_items (GtkVUMeter *vumeter);
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void gtk_vumeter_free_scale_items(GList *scale_items);
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void gtk_vumeter_set_scale_hole_size (GtkVUMeter *vumeter, gint hole_size);
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gint gtk_vumeter_get_scale_hole_size (GtkVUMeter *vumeter);
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void gtk_vumeter_set_peak (GtkVUMeter *vumeter, gboolean peak, guint redraw_rate);
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void gtk_vumeter_get_peak (GtkVUMeter *vumeter, gboolean *peak, guint *redraw_rate);
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void gtk_vumeter_set_peak_hold_factor (GtkVUMeter *vumeter, gint hold_factor);
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gint gtk_vumeter_get_peak_hold_factor (GtkVUMeter *vumeter);
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void gtk_vumeter_set_peak_falloff (GtkVUMeter *vumeter, GtkVUMeterPeakFalloff peak_falloff, guint user_rate);
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void gtk_vumeter_get_peak_falloff (GtkVUMeter *vumeter, GtkVUMeterPeakFalloff *peak_falloff, guint *user_rate);
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void gtk_vumeter_set_colors_inverted (GtkVUMeter *vumeter, gboolean inverted);
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gboolean gtk_vumeter_get_colors_inverted (GtkVUMeter *vumeter);
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void gtk_vumeter_set_yellow_level (GtkVUMeter *vumeter, gint yellow_level);
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gint gtk_vumeter_get_yellow_level (GtkVUMeter *vumeter);
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void gtk_vumeter_set_brightness (GtkVUMeter *vumeter, gint foreground, gint background);
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void gtk_vumeter_get_brightness (GtkVUMeter *vumeter, gint *foreground, gint *background);
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G_END_DECLS
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#endif /* GTK_MAJOR_VERSION >= 2 */
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#endif /* __GTKVUMETER_H__ */
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