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/* GTK - The GIMP Toolkit
* 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 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
* Lesser General Public License for more details.
*
* 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.
*/
/*
* 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/.
*/
#ifndef __GTK_RANGE_H__
#define __GTK_RANGE_H__
#include <gdk/gdk.h>
#include <gtk/gtkadjustment.h>
#include <gtk/gtkwidget.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GTK_TYPE_RANGE (gtk_range_get_type ())
#define GTK_RANGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_RANGE, GtkRange))
#define GTK_RANGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_RANGE, GtkRangeClass))
#define GTK_IS_RANGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_RANGE))
#define GTK_IS_RANGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RANGE))
#define GTK_RANGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_RANGE, GtkRangeClass))
/* These two are private/opaque types, ignore */
typedef struct _GtkRangeLayout GtkRangeLayout;
typedef struct _GtkRangeStepTimer GtkRangeStepTimer;
typedef struct _GtkRange GtkRange;
typedef struct _GtkRangeClass GtkRangeClass;
struct _GtkRange
{
GtkWidget widget;
GtkAdjustment *adjustment;
GtkUpdateType update_policy;
guint inverted : 1;
/*< protected >*/
guint flippable : 1;
/* Steppers are: < > ---- < >
* a b c d
*/
guint has_stepper_a : 1;
guint has_stepper_b : 1;
guint has_stepper_c : 1;
guint has_stepper_d : 1;
guint need_recalc : 1;
guint slider_size_fixed : 1;
gint min_slider_size;
GtkOrientation orientation;
/* Area of entire stepper + trough assembly in widget->window coords */
GdkRectangle range_rect;
/* Slider range along the long dimension, in widget->window coords */
gint slider_start, slider_end;
/* Round off value to this many digits, -1 for no rounding */
gint round_digits;
/*< private >*/
guint trough_click_forward : 1; /* trough click was on the forward side of slider */
guint update_pending : 1; /* need to emit value_changed */
GtkRangeLayout *layout;
GtkRangeStepTimer *timer;
gint slide_initial_slider_position;
gint slide_initial_coordinate;
guint update_timeout_id;
GdkWindow *event_window;
};
struct _GtkRangeClass
{
GtkWidgetClass parent_class;
/* what detail to pass to GTK drawing functions */
gchar *slider_detail;
gchar *stepper_detail;
void (* value_changed) (GtkRange *range);
void (* adjust_bounds) (GtkRange *range,
gdouble new_value);
/* action signals for keybindings */
void (* move_slider) (GtkRange *range,
GtkScrollType scroll);
/* Virtual functions */
void (* get_range_border) (GtkRange *range,
GtkBorder *border_);
gboolean (* change_value) (GtkRange *range,
GtkScrollType scroll,
gdouble new_value);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
};
GType gtk_range_get_type (void) G_GNUC_CONST;
void gtk_range_set_update_policy (GtkRange *range,
GtkUpdateType policy);
GtkUpdateType gtk_range_get_update_policy (GtkRange *range);
void gtk_range_set_adjustment (GtkRange *range,
GtkAdjustment *adjustment);
GtkAdjustment* gtk_range_get_adjustment (GtkRange *range);
void gtk_range_set_inverted (GtkRange *range,
gboolean setting);
gboolean gtk_range_get_inverted (GtkRange *range);
void gtk_range_set_increments (GtkRange *range,
gdouble step,
gdouble page);
void gtk_range_set_range (GtkRange *range,
gdouble min,
gdouble max);
void gtk_range_set_value (GtkRange *range,
gdouble value);
gdouble gtk_range_get_value (GtkRange *range);
gdouble _gtk_range_get_wheel_delta (GtkRange *range,
GdkScrollDirection direction);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTK_RANGE_H__ */
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