postfish/multibar.h

   1 /*
   2  *
   3  *  postfish
   4  *
   5  *      Copyright (C) 2002-2005 Monty
   6  *
   7  *  Postfish is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2, or (at your option)
  10  *  any later version.
  11  *
  12  *  Postfish is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with Postfish; see the file COPYING.  If not, write to the
  19  *  Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  *
  22  */
  23
  24 #ifndef __MULTIBAR_H__
  25 #define __MULTIBAR_H__
  26
  27 #include <sys/time.h>
  28 #include <time.h>
  29 #include <glib.h>
  30 #include <glib-object.h>
  31 #include <gtk/gtkcontainer.h>
  32 #include <gtk/gtksignal.h>
  33 #include <gtk/gtkdrawingarea.h>
  34
  35 G_BEGIN_DECLS
  36
  37 #define MULTIBAR_TYPE            (multibar_get_type ())
  38 #define MULTIBAR(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), MULTIBAR_TYPE, Multibar))
  39 #define MULTIBAR_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), MULTIBAR_TYPE, MultibarClass))
  40 #define IS_MULTIBAR(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MULTIBAR_TYPE))
  41 #define IS_MULTIBAR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MULTIBAR_TYPE))
  42
  43 typedef struct _Multibar       Multibar;
  44 typedef struct _MultibarClass  MultibarClass;
  45
  46 typedef struct bartack {
  47   float pixelposhi;
  48   float pixelposlo;
  49   float pixeldeltahi;
  50   float pixeldeltalo;
  51 } bartrack;
  52
  53 #define HI_ATTACK   (1<<0)
  54 #define LO_ATTACK   (1<<1)
  55 #define HI_DECAY    (1<<2)
  56 #define LO_DECAY    (1<<3)
  57 #define ZERO_DAMP   (1<<4)
  58 #define PEAK_FOLLOW (1<<5)
  59
  60
  61 struct _Multibar{
  62
  63   GtkDrawingArea canvas;
  64   GdkPixmap *backing;
  65
  66   int labels;
  67   int readout;
  68   PangoLayout **layout;
  69   float       *levels;
  70
  71   GdkGC         *boxcolor;
  72   float         peak;
  73   int            peakdelay;
  74   float         peakdelta;
  75
  76   int            clipdelay;
  77
  78   bartrack *bartrackers;
  79   int bars;
  80   int dampen_flags;
  81
  82   int    thumbs;
  83   float  thumbval[3];
  84   int    thumbpixel[3];
  85
  86   GtkStateType thumbstate[3];
  87   int    thumbfocus;
  88   int    thumbgrab;
  89   int    widgetfocus;
  90
  91   int    thumbx;
  92   float  thumblo;
  93   float  thumbhi;
  94   float  thumbsmall;
  95   float  thumblarge;
  96
  97   int    thumblo_x;
  98   int    thumbhi_x;
  99
 100   int       xpad;
 101
 102   void  (*callback)(GtkWidget *,gpointer);
 103   gpointer callbackp;
 104 };
 105
 106 struct _MultibarClass{
 107
 108   GtkDrawingAreaClass parent_class;
 109   void (* multibar) (Multibar *m);
 110 };
 111
 112 GType          multibar_get_type        (void);
 113 GtkWidget*     multibar_new             (int n, char **labels, float *levels,
 114                                          int thumbs, int flags);
 115 GtkWidget*     multibar_slider_new (int n, char **labels, float *levels,
 116                                     int thumbs);
 117
 118 void           multibar_clear           (Multibar *m);
 119 void           multibar_set             (Multibar *m,float *lo,float *hi, int n,int drawp);
 120 void           multibar_thumb_set       (Multibar *m,float v, int n);
 121 void           multibar_setwarn         (Multibar *m,int drawp);
 122 void           multibar_reset           (Multibar *m);
 123 void           multibar_callback        (Multibar *m,
 124                                          void (*callback)
 125                                          (GtkWidget *,gpointer),
 126                                          gpointer);
 127 float          multibar_get_value       (Multibar *m,int n);
 128 void           multibar_thumb_bounds    (Multibar *m,float lo, float hi);
 129 void           multibar_thumb_increment (Multibar *m,float small, float large);
 130 int            multibar_thumb_grab_p    (Multibar *m);
 131 int            multibar_thumb_focus     (Multibar *m);
 132
 133 G_END_DECLS
 134
 135 #endif
 136
 137
 138