* 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
+ * 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * 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.
+ */
+
+#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
#ifndef __GTK_RULER_H__
#define __GTK_RULER_H__
#include <gtk/gtkwidget.h>
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
+G_BEGIN_DECLS
-#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 ())
+#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;
-
- gfloat lower;
- gfloat upper;
- gfloat position;
- gfloat max_size;
+ GdkPixmap *GSEAL (backing_store);
+ GdkGC *GSEAL (non_gr_exp_gc); /* unused */
+ GtkRulerMetric *GSEAL (metric);
+ gint GSEAL (xsrc);
+ gint GSEAL (ysrc);
+ gint GSEAL (slider_size);
+
+ /* The upper limit of the ruler (in points) */
+ gdouble GSEAL (lower);
+ /* The lower limit of the ruler */
+ gdouble GSEAL (upper);
+ /* The position of the mark on the ruler */
+ gdouble GSEAL (position);
+ /* The maximum size of the ruler */
+ gdouble GSEAL (max_size);
};
struct _GtkRulerClass
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;
- gfloat pixels_per_unit;
- gfloat ruler_scale[10];
+ /* 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 */
};
-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 */
-
+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);
+
+G_END_DECLS
#endif /* __GTK_RULER_H__ */
projects / ~andy / gtk / blobdiff