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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 Library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library 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 1997-1999. 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_RULER_H__
- #define __GTK_RULER_H__
-
-
- #include <gdk/gdk.h>
- #include <gtk/gtkwidget.h>
-
-
- #ifdef __cplusplus
- extern "C" {
- #endif /* __cplusplus */
-
-
- #define GTK_RULER(obj) GTK_CHECK_CAST (obj, gtk_ruler_get_type (), GtkRuler)
- #define GTK_RULER_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_ruler_get_type (), GtkRulerClass)
- #define GTK_IS_RULER(obj) GTK_CHECK_TYPE (obj, gtk_ruler_get_type ())
-
-
- typedef struct _GtkRuler GtkRuler;
- typedef struct _GtkRulerClass GtkRulerClass;
- typedef struct _GtkRulerMetric GtkRulerMetric;
-
- /* All distances below are in 1/72nd's of an inch. (According to
- * Adobe that's a point, but points are really 1/72.27 in.)
- */
- struct _GtkRuler
- {
- GtkWidget widget;
-
- GdkPixmap *backing_store;
- GdkGC *non_gr_exp_gc;
- GtkRulerMetric *metric;
- gint xsrc, ysrc;
- gint slider_size;
-
- /* The upper limit of the ruler (in points) */
- gfloat lower;
- /* The lower limit of the ruler */
- gfloat upper;
- /* The position of the mark on the ruler */
- gfloat position;
- /* The maximum size of the ruler */
- gfloat max_size;
- };
-
- struct _GtkRulerClass
- {
- GtkWidgetClass parent_class;
-
- void (* draw_ticks) (GtkRuler *ruler);
- void (* draw_pos) (GtkRuler *ruler);
- };
-
- struct _GtkRulerMetric
- {
- gchar *metric_name;
- gchar *abbrev;
- /* This should be points_per_unit. This is the size of the unit
- * in 1/72nd's of an inch and has nothing to do with screen pixels */
- gfloat pixels_per_unit;
- gfloat ruler_scale[10];
- gint subdivide[5]; /* five possible modes of subdivision */
- };
-
-
- guint gtk_ruler_get_type (void);
- void gtk_ruler_set_metric (GtkRuler *ruler,
- GtkMetricType metric);
- void gtk_ruler_set_range (GtkRuler *ruler,
- gfloat lower,
- gfloat upper,
- gfloat position,
- gfloat max_size);
- void gtk_ruler_draw_ticks (GtkRuler *ruler);
- void gtk_ruler_draw_pos (GtkRuler *ruler);
-
-
- #ifdef __cplusplus
- }
- #endif /* __cplusplus */
-
-
- #endif /* __GTK_RULER_H__ */
-