1 files changed, 91 insertions, 0 deletions
diff --git a/gtk/gtkruler.h b/gtk/gtkruler.h
new file mode 100644
index 0000000000..c74b203212
--- /dev/null
+++ b/gtk/gtkruler.h
@@ -0,0 +1,91 @@
+/* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#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;
+
+struct _GtkRuler
+{
+  GtkWidget widget;
+
+  GdkPixmap *backing_store;
+  GdkGC *non_gr_exp_gc;
+  GtkRulerMetric *metric;
+  gint xsrc, ysrc;
+  gint slider_size;
+
+  gfloat lower;
+  gfloat upper;
+  gfloat position;
+  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;
+  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__ */