Imported existing code

libraries/i686-linux/include/gtk-2.0/gtk/gtkruler.h

@@ -0,0 +1,134 @@
+/* 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 Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 1997-2000.  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/. 
+ */
+
+/*
+ * NOTE this widget is considered too specialized/little-used for
+ * GTK+, and will in the future be moved to some other package.  If
+ * your application needs this widget, feel free to use it, as the
+ * widget does work and is useful in some applications; it's just not
+ * of general interest. However, we are not accepting new features for
+ * the widget, and it will eventually move out of the GTK+
+ * distribution.
+ */
+
+#ifndef __GTK_RULER_H__
+#define __GTK_RULER_H__
+
+
+#include <gdk/gdk.h>
+#include <gtk/gtkwidget.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GTK_TYPE_RULER            (gtk_ruler_get_type ())
+#define GTK_RULER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_RULER, GtkRuler))
+#define GTK_RULER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_RULER, GtkRulerClass))
+#define GTK_IS_RULER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_RULER))
+#define GTK_IS_RULER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RULER))
+#define GTK_RULER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_RULER, GtkRulerClass))
+
+
+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) */
+  gdouble lower;
+  /* The lower limit of the ruler */
+  gdouble upper;
+  /* The position of the mark on the ruler */
+  gdouble position;
+  /* The maximum size of the ruler */
+  gdouble max_size;
+};
+
+struct _GtkRulerClass
+{
+  GtkWidgetClass parent_class;
+
+  void (* draw_ticks) (GtkRuler *ruler);
+  void (* draw_pos)   (GtkRuler *ruler);
+
+  /* Padding for future expansion */
+  void (*_gtk_reserved1) (void);
+  void (*_gtk_reserved2) (void);
+  void (*_gtk_reserved3) (void);
+  void (*_gtk_reserved4) (void);
+};
+
+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 */
+  gdouble pixels_per_unit;
+  gdouble ruler_scale[10];
+  gint subdivide[5];        /* five possible modes of subdivision */
+};
+
+
+GType   gtk_ruler_get_type   (void) G_GNUC_CONST;
+void    gtk_ruler_set_metric (GtkRuler      *ruler,
+			      GtkMetricType  metric);
+void    gtk_ruler_set_range  (GtkRuler      *ruler,
+			      gdouble        lower,
+			      gdouble        upper,
+			      gdouble        position,
+			      gdouble        max_size);
+void    gtk_ruler_draw_ticks (GtkRuler      *ruler);
+void    gtk_ruler_draw_pos   (GtkRuler      *ruler);
+
+GtkMetricType gtk_ruler_get_metric (GtkRuler *ruler);
+void          gtk_ruler_get_range  (GtkRuler *ruler,
+				    gdouble  *lower,
+				    gdouble  *upper,
+				    gdouble  *position,
+				    gdouble  *max_size);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GTK_RULER_H__ */