Pileus Git - ~andy/gtk/blob - gtk/gtkadjustment.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_ADJUSTMENT_H__
  26 #define __GTK_ADJUSTMENT_H__
  27
  28 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
  29 #error "Only <gtk/gtk.h> can be included directly."
  30 #endif
  31
  32 #include <gdk/gdk.h>
  33 #include <gtk/gtktypes.h>
  34
  35 G_BEGIN_DECLS
  36
  37 #define GTK_TYPE_ADJUSTMENT                  (gtk_adjustment_get_type ())
  38 #define GTK_ADJUSTMENT(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ADJUSTMENT, GtkAdjustment))
  39 #define GTK_ADJUSTMENT_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ADJUSTMENT, GtkAdjustmentClass))
  40 #define GTK_IS_ADJUSTMENT(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ADJUSTMENT))
  41 #define GTK_IS_ADJUSTMENT_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ADJUSTMENT))
  42 #define GTK_ADJUSTMENT_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ADJUSTMENT, GtkAdjustmentClass))
  43
  44
  45 typedef struct _GtkAdjustmentPrivate  GtkAdjustmentPrivate;
  46 typedef struct _GtkAdjustmentClass    GtkAdjustmentClass;
  47
  48 /**
  49  * GtkAdjustment:
  50  *
  51  * The #GtkAdjustment struct contains only private fields and
  52  * should not be directly accessed.
  53  */
  54 struct _GtkAdjustment
  55 {
  56   GInitiallyUnowned parent_instance;
  57
  58   GtkAdjustmentPrivate *priv;
  59 };
  60
  61 struct _GtkAdjustmentClass
  62 {
  63   GInitiallyUnownedClass parent_class;
  64
  65   void (* changed)       (GtkAdjustment *adjustment);
  66   void (* value_changed) (GtkAdjustment *adjustment);
  67
  68   /* Padding for future expansion */
  69   void (*_gtk_reserved1) (void);
  70   void (*_gtk_reserved2) (void);
  71   void (*_gtk_reserved3) (void);
  72   void (*_gtk_reserved4) (void);
  73 };
  74
  75
  76 GType      gtk_adjustment_get_type              (void) G_GNUC_CONST;
  77 GtkAdjustment*   gtk_adjustment_new             (gdouble          value,
  78                                                  gdouble          lower,
  79                                                  gdouble          upper,
  80                                                  gdouble          step_increment,
  81                                                  gdouble          page_increment,
  82                                                  gdouble          page_size);
  83
  84 void       gtk_adjustment_changed               (GtkAdjustment   *adjustment);
  85 void       gtk_adjustment_value_changed         (GtkAdjustment   *adjustment);
  86 void       gtk_adjustment_clamp_page            (GtkAdjustment   *adjustment,
  87                                                  gdouble          lower,
  88                                                  gdouble          upper);
  89
  90 gdouble    gtk_adjustment_get_value             (GtkAdjustment   *adjustment);
  91 void       gtk_adjustment_set_value             (GtkAdjustment   *adjustment,
  92                                                  gdouble          value);
  93 gdouble    gtk_adjustment_get_lower             (GtkAdjustment   *adjustment);
  94 void       gtk_adjustment_set_lower             (GtkAdjustment   *adjustment,
  95                                                  gdouble          lower);
  96 gdouble    gtk_adjustment_get_upper             (GtkAdjustment   *adjustment);
  97 void       gtk_adjustment_set_upper             (GtkAdjustment   *adjustment,
  98                                                  gdouble          upper);
  99 gdouble    gtk_adjustment_get_step_increment    (GtkAdjustment   *adjustment);
 100 void       gtk_adjustment_set_step_increment    (GtkAdjustment   *adjustment,
 101                                                  gdouble          step_increment);
 102 gdouble    gtk_adjustment_get_page_increment    (GtkAdjustment   *adjustment);
 103 void       gtk_adjustment_set_page_increment    (GtkAdjustment   *adjustment,
 104                                                  gdouble          page_increment);
 105 gdouble    gtk_adjustment_get_page_size         (GtkAdjustment   *adjustment);
 106 void       gtk_adjustment_set_page_size         (GtkAdjustment   *adjustment,
 107                                                  gdouble          page_size);
 108
 109 void       gtk_adjustment_configure             (GtkAdjustment   *adjustment,
 110                                                  gdouble          value,
 111                                                  gdouble          lower,
 112                                                  gdouble          upper,
 113                                                  gdouble          step_increment,
 114                                                  gdouble          page_increment,
 115                                                  gdouble          page_size);
 116 GDK_AVAILABLE_IN_3_2
 117 gdouble    gtk_adjustment_get_minimum_increment (GtkAdjustment   *adjustment);
 118
 119 G_END_DECLS
 120
 121 #endif /* __GTK_ADJUSTMENT_H__ */