92 lines
2.4 KiB
C
92 lines
2.4 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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __GTK_RULER_H__
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#define __GTK_RULER_H__
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#include <gdk/gdk.h>
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#include <gtk/gtkwidget.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define GTK_RULER(obj) GTK_CHECK_CAST (obj, gtk_ruler_get_type (), GtkRuler)
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#define GTK_RULER_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_ruler_get_type (), GtkRulerClass)
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#define GTK_IS_RULER(obj) GTK_CHECK_TYPE (obj, gtk_ruler_get_type ())
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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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struct _GtkRuler
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{
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GtkWidget widget;
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GdkPixmap *backing_store;
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GdkGC *non_gr_exp_gc;
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GtkRulerMetric *metric;
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gint xsrc, ysrc;
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gint slider_size;
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gfloat lower;
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gfloat upper;
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gfloat position;
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gfloat 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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};
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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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gfloat pixels_per_unit;
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gfloat ruler_scale[10];
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gint subdivide[5]; /* five possible modes of subdivision */
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};
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guint gtk_ruler_get_type (void);
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void gtk_ruler_set_metric (GtkRuler *ruler,
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GtkMetricType metric);
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void gtk_ruler_set_range (GtkRuler *ruler,
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gfloat lower,
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gfloat upper,
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gfloat position,
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gfloat 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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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GTK_RULER_H__ */
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