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 Library 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  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19 #ifndef __GTK_ADJUSTMENT_H__
  20 #define __GTK_ADJUSTMENT_H__
  21
  22
  23 #include <gdk/gdk.h>
  24 #include <gtk/gtkdata.h>
  25
  26
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #pragma }
  30 #endif /* __cplusplus */
  31
  32
  33 #define GTK_TYPE_ADJUSTMENT                  (gtk_adjustment_get_type ())
  34 #define GTK_ADJUSTMENT(obj)                  (GTK_CHECK_CAST ((obj), GTK_TYPE_ADJUSTMENT, GtkAdjustment))
  35 #define GTK_ADJUSTMENT_CLASS(klass)          (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_ADJUSTMENT, GtkAdjustmentClass))
  36 #define GTK_IS_ADJUSTMENT(obj)               (GTK_CHECK_TYPE ((obj), GTK_TYPE_ADJUSTMENT))
  37 #define GTK_IS_ADJUSTMENT_CLASS(klass)       (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ADJUSTMENT))
  38
  39
  40 typedef struct _GtkAdjustment       GtkAdjustment;
  41 typedef struct _GtkAdjustmentClass  GtkAdjustmentClass;
  42
  43 struct _GtkAdjustment
  44 {
  45   GtkData data;
  46
  47   gfloat lower;
  48   gfloat upper;
  49   gfloat value;
  50   gfloat step_increment;
  51   gfloat page_increment;
  52   gfloat page_size;
  53 };
  54
  55 struct _GtkAdjustmentClass
  56 {
  57   GtkDataClass parent_class;
  58
  59   void (* changed)       (GtkAdjustment *adjustment);
  60   void (* value_changed) (GtkAdjustment *adjustment);
  61 };
  62
  63
  64 GtkType    gtk_adjustment_get_type              (void);
  65 GtkObject* gtk_adjustment_new                   (gfloat           value,
  66                                                  gfloat           lower,
  67                                                  gfloat           upper,
  68                                                  gfloat           step_increment,
  69                                                  gfloat           page_increment,
  70                                                  gfloat           page_size);
  71 void       gtk_adjustment_changed               (GtkAdjustment   *adjustment);
  72 void       gtk_adjustment_value_changed         (GtkAdjustment   *adjustment);
  73 void       gtk_adjustment_clamp_page            (GtkAdjustment   *adjustment,
  74                                                  gfloat           lower,
  75                                                  gfloat           upper);
  76 void       gtk_adjustment_set_value             (GtkAdjustment   *adjustment,
  77                                                  gfloat           value);
  78
  79 #ifdef __cplusplus
  80 }
  81 #endif /* __cplusplus */
  82
  83
  84 #endif /* __GTK_ADJUSTMENT_H__ */