1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the Free
16 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 #ifndef __GTK_RULER_H__
19 #define __GTK_RULER_H__
23 #include <gtk/gtkwidget.h>
28 #endif /* __cplusplus */
31 #define GTK_RULER(obj) GTK_CHECK_CAST (obj, gtk_ruler_get_type (), GtkRuler)
32 #define GTK_RULER_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_ruler_get_type (), GtkRulerClass)
33 #define GTK_IS_RULER(obj) GTK_CHECK_TYPE (obj, gtk_ruler_get_type ())
36 typedef struct _GtkRuler GtkRuler;
37 typedef struct _GtkRulerClass GtkRulerClass;
38 typedef struct _GtkRulerMetric GtkRulerMetric;
44 GdkPixmap *backing_store;
46 GtkRulerMetric *metric;
58 GtkWidgetClass parent_class;
60 void (* draw_ticks) (GtkRuler *ruler);
61 void (* draw_pos) (GtkRuler *ruler);
64 struct _GtkRulerMetric
68 gfloat pixels_per_unit;
69 gfloat ruler_scale[10];
70 gint subdivide[5]; /* five possible modes of subdivision */
74 guint gtk_ruler_get_type (void);
75 void gtk_ruler_set_metric (GtkRuler *ruler,
76 GtkMetricType metric);
77 void gtk_ruler_set_range (GtkRuler *ruler,
82 void gtk_ruler_draw_ticks (GtkRuler *ruler);
83 void gtk_ruler_draw_pos (GtkRuler *ruler);
88 #endif /* __cplusplus */
91 #endif /* __GTK_RULER_H__ */