186 lines
7.3 KiB
C
186 lines
7.3 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_DISABLE_SINGLE_INCLUDES) && !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_RANGE_H__
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#define __GTK_RANGE_H__
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#include <gdk/gdk.h>
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#include <gtk/gtkadjustment.h>
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#include <gtk/gtkwidget.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_RANGE (gtk_range_get_type ())
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#define GTK_RANGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_RANGE, GtkRange))
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#define GTK_RANGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_RANGE, GtkRangeClass))
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#define GTK_IS_RANGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_RANGE))
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#define GTK_IS_RANGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RANGE))
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#define GTK_RANGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_RANGE, GtkRangeClass))
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/* These two are private/opaque types, ignore */
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typedef struct _GtkRangeLayout GtkRangeLayout;
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typedef struct _GtkRangeStepTimer GtkRangeStepTimer;
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typedef struct _GtkRange GtkRange;
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typedef struct _GtkRangeClass GtkRangeClass;
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struct _GtkRange
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{
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GtkWidget widget;
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GtkAdjustment *GSEAL (adjustment);
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GtkUpdateType GSEAL (update_policy);
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guint GSEAL (inverted) : 1;
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/*< protected >*/
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guint GSEAL (flippable) : 1;
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/* Steppers are: < > ---- < >
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* a b c d
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*/
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guint GSEAL (has_stepper_a) : 1;
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guint GSEAL (has_stepper_b) : 1;
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guint GSEAL (has_stepper_c) : 1;
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guint GSEAL (has_stepper_d) : 1;
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guint GSEAL (need_recalc) : 1;
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guint GSEAL (slider_size_fixed) : 1;
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gint GSEAL (min_slider_size);
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GtkOrientation GSEAL (orientation);
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/* Area of entire stepper + trough assembly in widget->window coords */
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GdkRectangle GSEAL (range_rect);
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/* Slider range along the long dimension, in widget->window coords */
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gint GSEAL (slider_start);
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gint GSEAL (slider_end);
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/* Round off value to this many digits, -1 for no rounding */
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gint GSEAL (round_digits);
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/*< private >*/
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guint GSEAL (trough_click_forward) : 1; /* trough click was on the forward side of slider */
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guint GSEAL (update_pending) : 1; /* need to emit value_changed */
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GtkRangeLayout *GSEAL (layout);
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GtkRangeStepTimer *GSEAL (timer);
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gint GSEAL (slide_initial_slider_position);
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gint GSEAL (slide_initial_coordinate);
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guint GSEAL (update_timeout_id);
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GdkWindow *GSEAL (event_window);
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};
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struct _GtkRangeClass
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{
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GtkWidgetClass parent_class;
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/* what detail to pass to GTK drawing functions */
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gchar *slider_detail;
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gchar *stepper_detail;
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void (* value_changed) (GtkRange *range);
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void (* adjust_bounds) (GtkRange *range,
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gdouble new_value);
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/* action signals for keybindings */
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void (* move_slider) (GtkRange *range,
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GtkScrollType scroll);
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/* Virtual functions */
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void (* get_range_border) (GtkRange *range,
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GtkBorder *border_);
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gboolean (* change_value) (GtkRange *range,
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GtkScrollType scroll,
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gdouble new_value);
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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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};
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GType gtk_range_get_type (void) G_GNUC_CONST;
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void gtk_range_set_update_policy (GtkRange *range,
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GtkUpdateType policy);
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GtkUpdateType gtk_range_get_update_policy (GtkRange *range);
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void gtk_range_set_adjustment (GtkRange *range,
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GtkAdjustment *adjustment);
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GtkAdjustment* gtk_range_get_adjustment (GtkRange *range);
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void gtk_range_set_inverted (GtkRange *range,
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gboolean setting);
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gboolean gtk_range_get_inverted (GtkRange *range);
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void gtk_range_set_lower_stepper_sensitivity (GtkRange *range,
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GtkSensitivityType sensitivity);
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GtkSensitivityType gtk_range_get_lower_stepper_sensitivity (GtkRange *range);
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void gtk_range_set_upper_stepper_sensitivity (GtkRange *range,
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GtkSensitivityType sensitivity);
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GtkSensitivityType gtk_range_get_upper_stepper_sensitivity (GtkRange *range);
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void gtk_range_set_increments (GtkRange *range,
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gdouble step,
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gdouble page);
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void gtk_range_set_range (GtkRange *range,
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gdouble min,
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gdouble max);
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void gtk_range_set_value (GtkRange *range,
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gdouble value);
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gdouble gtk_range_get_value (GtkRange *range);
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void gtk_range_set_show_fill_level (GtkRange *range,
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gboolean show_fill_level);
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gboolean gtk_range_get_show_fill_level (GtkRange *range);
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void gtk_range_set_restrict_to_fill_level (GtkRange *range,
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gboolean restrict_to_fill_level);
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gboolean gtk_range_get_restrict_to_fill_level (GtkRange *range);
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void gtk_range_set_fill_level (GtkRange *range,
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gdouble fill_level);
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gdouble gtk_range_get_fill_level (GtkRange *range);
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gdouble _gtk_range_get_wheel_delta (GtkRange *range,
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GdkScrollDirection direction);
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G_END_DECLS
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#endif /* __GTK_RANGE_H__ */
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