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