forked from AuroraMiddleware/gtk
133 lines
4.6 KiB
C
133 lines
4.6 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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/*
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* NOTE this widget is considered too specialized/little-used for
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* GTK+, and will in the future be moved to some other package. If
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* your application needs this widget, feel free to use it, as the
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* widget does work and is useful in some applications; it's just not
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* of general interest. However, we are not accepting new features for
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* the widget, and it will eventually move out of the GTK+
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* distribution.
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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_RULER_H__
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#define __GTK_RULER_H__
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#include <gtk/gtkwidget.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_RULER (gtk_ruler_get_type ())
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#define GTK_RULER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_RULER, GtkRuler))
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#define GTK_RULER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_RULER, GtkRulerClass))
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#define GTK_IS_RULER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_RULER))
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#define GTK_IS_RULER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RULER))
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#define GTK_RULER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_RULER, GtkRulerClass))
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typedef struct _GtkRuler GtkRuler;
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typedef struct _GtkRulerClass GtkRulerClass;
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typedef struct _GtkRulerMetric GtkRulerMetric;
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/* All distances below are in 1/72nd's of an inch. (According to
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* Adobe that's a point, but points are really 1/72.27 in.)
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*/
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struct _GtkRuler
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{
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GtkWidget widget;
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GdkPixmap *GSEAL (backing_store);
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GdkGC *GSEAL (non_gr_exp_gc); /* unused */
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GtkRulerMetric *GSEAL (metric);
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gint GSEAL (xsrc);
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gint GSEAL (ysrc);
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gint GSEAL (slider_size);
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/* The upper limit of the ruler (in points) */
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gdouble GSEAL (lower);
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/* The lower limit of the ruler */
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gdouble GSEAL (upper);
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/* The position of the mark on the ruler */
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gdouble GSEAL (position);
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/* The maximum size of the ruler */
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gdouble GSEAL (max_size);
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};
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struct _GtkRulerClass
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{
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GtkWidgetClass parent_class;
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void (* draw_ticks) (GtkRuler *ruler);
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void (* draw_pos) (GtkRuler *ruler);
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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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struct _GtkRulerMetric
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{
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gchar *metric_name;
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gchar *abbrev;
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/* This should be points_per_unit. This is the size of the unit
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* in 1/72nd's of an inch and has nothing to do with screen pixels */
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gdouble pixels_per_unit;
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gdouble ruler_scale[10];
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gint subdivide[5]; /* five possible modes of subdivision */
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};
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GType gtk_ruler_get_type (void) G_GNUC_CONST;
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void gtk_ruler_set_metric (GtkRuler *ruler,
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GtkMetricType metric);
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GtkMetricType gtk_ruler_get_metric (GtkRuler *ruler);
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void gtk_ruler_set_range (GtkRuler *ruler,
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gdouble lower,
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gdouble upper,
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gdouble position,
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gdouble max_size);
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void gtk_ruler_get_range (GtkRuler *ruler,
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gdouble *lower,
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gdouble *upper,
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gdouble *position,
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gdouble *max_size);
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void gtk_ruler_draw_ticks (GtkRuler *ruler);
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void gtk_ruler_draw_pos (GtkRuler *ruler);
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G_END_DECLS
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#endif /* __GTK_RULER_H__ */
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