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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>
-
-
- G_BEGIN_DECLS
-
-
- #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);
-
-
- G_END_DECLS
-
-
- #endif /* __GTK_RANGE_H__ */
-