Pileus Git - ~andy/gtk/blob - gtk/gtkrange.h

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /*
  19  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  20  * file for a list of people on the GTK+ Team.  See the ChangeLog
  21  * files for a list of changes.  These files are distributed with
  22  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  23  */
  24
  25 #ifndef __GTK_RANGE_H__
  26 #define __GTK_RANGE_H__
  27
  28
  29 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
  30 #error "Only <gtk/gtk.h> can be included directly."
  31 #endif
  32
  33 #include <gtk/gtkwidget.h>
  34
  35
  36 G_BEGIN_DECLS
  37
  38
  39 #define GTK_TYPE_RANGE            (gtk_range_get_type ())
  40 #define GTK_RANGE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_RANGE, GtkRange))
  41 #define GTK_RANGE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_RANGE, GtkRangeClass))
  42 #define GTK_IS_RANGE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_RANGE))
  43 #define GTK_IS_RANGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RANGE))
  44 #define GTK_RANGE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_RANGE, GtkRangeClass))
  45
  46 typedef struct _GtkRange              GtkRange;
  47 typedef struct _GtkRangePrivate       GtkRangePrivate;
  48 typedef struct _GtkRangeClass         GtkRangeClass;
  49
  50 struct _GtkRange
  51 {
  52   GtkWidget widget;
  53
  54   GtkRangePrivate *priv;
  55 };
  56
  57 struct _GtkRangeClass
  58 {
  59   GtkWidgetClass parent_class;
  60
  61   /* what detail to pass to GTK drawing functions */
  62   gchar *slider_detail;
  63   gchar *stepper_detail;
  64
  65   void (* value_changed)    (GtkRange     *range);
  66   void (* adjust_bounds)    (GtkRange     *range,
  67                              gdouble       new_value);
  68
  69   /* action signals for keybindings */
  70   void (* move_slider)      (GtkRange     *range,
  71                              GtkScrollType scroll);
  72
  73   /* Virtual functions */
  74   void (* get_range_border) (GtkRange     *range,
  75                              GtkBorder    *border_);
  76
  77   gboolean (* change_value) (GtkRange     *range,
  78                              GtkScrollType scroll,
  79                              gdouble       new_value);
  80
  81   /* Padding for future expansion */
  82   void (*_gtk_reserved1) (void);
  83   void (*_gtk_reserved2) (void);
  84   void (*_gtk_reserved3) (void);
  85   void (*_gtk_reserved4) (void);
  86 };
  87
  88
  89 GType              gtk_range_get_type                      (void) G_GNUC_CONST;
  90
  91 void               gtk_range_set_adjustment                (GtkRange      *range,
  92                                                             GtkAdjustment *adjustment);
  93 GtkAdjustment*     gtk_range_get_adjustment                (GtkRange      *range);
  94
  95 void               gtk_range_set_inverted                  (GtkRange      *range,
  96                                                             gboolean       setting);
  97 gboolean           gtk_range_get_inverted                  (GtkRange      *range);
  98
  99 void               gtk_range_set_flippable                 (GtkRange      *range,
 100                                                             gboolean       flippable);
 101 gboolean           gtk_range_get_flippable                 (GtkRange      *range);
 102
 103 void               gtk_range_set_slider_size_fixed         (GtkRange      *range,
 104                                                             gboolean       size_fixed);
 105 gboolean           gtk_range_get_slider_size_fixed         (GtkRange      *range);
 106
 107 void               gtk_range_set_min_slider_size           (GtkRange      *range,
 108                                                             gint           min_size);
 109 gint               gtk_range_get_min_slider_size           (GtkRange      *range);
 110
 111 void               gtk_range_get_range_rect                (GtkRange      *range,
 112                                                             GdkRectangle  *range_rect);
 113 void               gtk_range_get_slider_range              (GtkRange      *range,
 114                                                             gint          *slider_start,
 115                                                             gint          *slider_end);
 116
 117 void               gtk_range_set_lower_stepper_sensitivity (GtkRange      *range,
 118                                                             GtkSensitivityType sensitivity);
 119 GtkSensitivityType gtk_range_get_lower_stepper_sensitivity (GtkRange      *range);
 120 void               gtk_range_set_upper_stepper_sensitivity (GtkRange      *range,
 121                                                             GtkSensitivityType sensitivity);
 122 GtkSensitivityType gtk_range_get_upper_stepper_sensitivity (GtkRange      *range);
 123
 124 void               gtk_range_set_increments                (GtkRange      *range,
 125                                                             gdouble        step,
 126                                                             gdouble        page);
 127 void               gtk_range_set_range                     (GtkRange      *range,
 128                                                             gdouble        min,
 129                                                             gdouble        max);
 130 void               gtk_range_set_value                     (GtkRange      *range,
 131                                                             gdouble        value);
 132 gdouble            gtk_range_get_value                     (GtkRange      *range);
 133
 134 void               gtk_range_set_show_fill_level           (GtkRange      *range,
 135                                                             gboolean       show_fill_level);
 136 gboolean           gtk_range_get_show_fill_level           (GtkRange      *range);
 137 void               gtk_range_set_restrict_to_fill_level    (GtkRange      *range,
 138                                                             gboolean       restrict_to_fill_level);
 139 gboolean           gtk_range_get_restrict_to_fill_level    (GtkRange      *range);
 140 void               gtk_range_set_fill_level                (GtkRange      *range,
 141                                                             gdouble        fill_level);
 142 gdouble            gtk_range_get_fill_level                (GtkRange      *range);
 143 void               gtk_range_set_round_digits              (GtkRange      *range,
 144                                                             gint           round_digits);
 145 gint                gtk_range_get_round_digits              (GtkRange      *range);
 146
 147 /* internal API */
 148 gdouble            _gtk_range_get_wheel_delta              (GtkRange       *range,
 149                                                             GdkEventScroll *event);
 150 void               _gtk_range_set_has_origin               (GtkRange      *range,
 151                                                             gboolean       has_origin);
 152 gboolean           _gtk_range_get_has_origin               (GtkRange      *range);
 153 void               _gtk_range_set_stop_values              (GtkRange      *range,
 154                                                             gdouble       *values,
 155                                                             gint           n_values);
 156 gint               _gtk_range_get_stop_positions           (GtkRange      *range,
 157                                                             gint         **values);
 158 void               _gtk_range_set_steppers                 (GtkRange      *range,
 159                                                             gboolean       has_a,
 160                                                             gboolean       has_b,
 161                                                             gboolean       has_c,
 162                                                             gboolean       has_d);
 163
 164 G_END_DECLS
 165
 166
 167 #endif /* __GTK_RANGE_H__ */