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_ADJUSTMENT(obj)          (GTK_CHECK_CAST (obj, gtk_adjustment_get_type (), GtkAdjustment))
  34 #define GTK_ADJUSTMENT_CLASS(klass)  (GTK_CHECK_CLASS_CAST (klass, gtk_adjustment_get_type (), GtkAdjustmentClass))
  35 #define GTK_IS_ADJUSTMENT(obj)       (GTK_CHECK_TYPE (obj, gtk_adjustment_get_type ()))
  36
  37
  38 typedef struct _GtkAdjustment       GtkAdjustment;
  39 typedef struct _GtkAdjustmentClass  GtkAdjustmentClass;
  40
  41 struct _GtkAdjustment
  42 {
  43   GtkData data;
  44
  45   gfloat lower;
  46   gfloat upper;
  47   gfloat value;
  48   gfloat step_increment;
  49   gfloat page_increment;
  50   gfloat page_size;
  51 };
  52
  53 struct _GtkAdjustmentClass
  54 {
  55   GtkDataClass parent_class;
  56
  57   void (* changed)       (GtkAdjustment *adjustment);
  58   void (* value_changed) (GtkAdjustment *adjustment);
  59 };
  60
  61
  62 GtkType    gtk_adjustment_get_type              (void);
  63 GtkObject* gtk_adjustment_new                   (gfloat           value,
  64                                                  gfloat           lower,
  65                                                  gfloat           upper,
  66                                                  gfloat           step_increment,
  67                                                  gfloat           page_increment,
  68                                                  gfloat           page_size);
  69 void       gtk_adjustment_changed               (GtkAdjustment   *adjustment);
  70 void       gtk_adjustment_value_changed         (GtkAdjustment   *adjustment);
  71 void       gtk_adjustment_clamp_page            (GtkAdjustment   *adjustment,
  72                                                  gfloat           lower,
  73                                                  gfloat           upper);
  74 void       gtk_adjustment_set_value             (GtkAdjustment   *adjustment,
  75                                                  gfloat           value);
  76
  77 #ifdef __cplusplus
  78 }
  79 #endif /* __cplusplus */
  80
  81
  82 #endif /* __GTK_ADJUSTMENT_H__ */