* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
-#ifndef __GTK_ADJUSTMENT_H__
-#define __GTK_ADJUSTMENT_H__
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
-#include <gdk/gdk.h>
-#include <gtk/gtkdata.h>
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+#ifndef __GTK_ADJUSTMENT_H__
+#define __GTK_ADJUSTMENT_H__
-#ifdef __cplusplus
-extern "C" {
-#pragma }
-#endif /* __cplusplus */
+#include <gdk/gdk.h>
+G_BEGIN_DECLS
-#define GTK_ADJUSTMENT(obj) (GTK_CHECK_CAST (obj, gtk_adjustment_get_type (), GtkAdjustment))
-#define GTK_ADJUSTMENT_CLASS(klass) (GTK_CHECK_CLASS_CAST (klass, gtk_adjustment_get_type (), GtkAdjustmentClass))
-#define GTK_IS_ADJUSTMENT(obj) (GTK_CHECK_TYPE (obj, gtk_adjustment_get_type ()))
+#define GTK_TYPE_ADJUSTMENT (gtk_adjustment_get_type ())
+#define GTK_ADJUSTMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ADJUSTMENT, GtkAdjustment))
+#define GTK_ADJUSTMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ADJUSTMENT, GtkAdjustmentClass))
+#define GTK_IS_ADJUSTMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ADJUSTMENT))
+#define GTK_IS_ADJUSTMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ADJUSTMENT))
+#define GTK_ADJUSTMENT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ADJUSTMENT, GtkAdjustmentClass))
typedef struct _GtkAdjustment GtkAdjustment;
typedef struct _GtkAdjustmentClass GtkAdjustmentClass;
+/**
+ * GtkAdjustment:
+ * @lower: the minimum value.
+ * @upper: the maximum value.
+ * @value: the current value.
+ * @step_increment: the increment to use to make minor changes to the @value.
+ * In a #GtkScrollbar this increment is used when the mouse is clicked on the
+ * arrows at the top and bottom of the scrollbar, to scroll by a small amount.
+ * @page_increment: the increment to use to make major changes to the @value.
+ * In a #GtkScrollbar this increment is used when the mouse is clicked in the
+ * trough, to scroll by a large amount.
+ * @page_size: In a #GtkScrollbar this is the size of the area which is currently
+ * visible.
+ *
+ * The #GtkAdjustment struct contains the following fields.
+ */
struct _GtkAdjustment
{
- GtkData data;
-
- gfloat lower;
- gfloat upper;
- gfloat value;
- gfloat step_increment;
- gfloat page_increment;
- gfloat page_size;
+ GInitiallyUnowned parent_instance;
+
+ gdouble GSEAL (lower);
+ gdouble GSEAL (upper);
+ gdouble GSEAL (value);
+ gdouble GSEAL (step_increment);
+ gdouble GSEAL (page_increment);
+ gdouble GSEAL (page_size);
};
struct _GtkAdjustmentClass
{
- GtkDataClass parent_class;
-
+ GInitiallyUnownedClass parent_class;
+
void (* changed) (GtkAdjustment *adjustment);
void (* value_changed) (GtkAdjustment *adjustment);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
};
-GtkType gtk_adjustment_get_type (void);
-GtkObject* gtk_adjustment_new (gfloat value,
- gfloat lower,
- gfloat upper,
- gfloat step_increment,
- gfloat page_increment,
- gfloat page_size);
+GType gtk_adjustment_get_type (void) G_GNUC_CONST;
+GtkAdjustment* gtk_adjustment_new (gdouble value,
+ gdouble lower,
+ gdouble upper,
+ gdouble step_increment,
+ gdouble page_increment,
+ gdouble page_size);
+
void gtk_adjustment_changed (GtkAdjustment *adjustment);
void gtk_adjustment_value_changed (GtkAdjustment *adjustment);
void gtk_adjustment_clamp_page (GtkAdjustment *adjustment,
- gfloat lower,
- gfloat upper);
+ gdouble lower,
+ gdouble upper);
+
+gdouble gtk_adjustment_get_value (GtkAdjustment *adjustment);
void gtk_adjustment_set_value (GtkAdjustment *adjustment,
- gfloat value);
+ gdouble value);
+gdouble gtk_adjustment_get_lower (GtkAdjustment *adjustment);
+void gtk_adjustment_set_lower (GtkAdjustment *adjustment,
+ gdouble lower);
+gdouble gtk_adjustment_get_upper (GtkAdjustment *adjustment);
+void gtk_adjustment_set_upper (GtkAdjustment *adjustment,
+ gdouble upper);
+gdouble gtk_adjustment_get_step_increment (GtkAdjustment *adjustment);
+void gtk_adjustment_set_step_increment (GtkAdjustment *adjustment,
+ gdouble step_increment);
+gdouble gtk_adjustment_get_page_increment (GtkAdjustment *adjustment);
+void gtk_adjustment_set_page_increment (GtkAdjustment *adjustment,
+ gdouble page_increment);
+gdouble gtk_adjustment_get_page_size (GtkAdjustment *adjustment);
+void gtk_adjustment_set_page_size (GtkAdjustment *adjustment,
+ gdouble page_size);
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+void gtk_adjustment_configure (GtkAdjustment *adjustment,
+ gdouble value,
+ gdouble lower,
+ gdouble upper,
+ gdouble step_increment,
+ gdouble page_increment,
+ gdouble page_size);
+G_END_DECLS
#endif /* __GTK_ADJUSTMENT_H__ */
projects / ~andy / gtk / blobdiff