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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/.
*/
/* modified by andreas meyer <hexx3000@gmx.de> */
#ifndef __GTK_CUSTOM_RULER_H__
#define __GTK_CUSTOM_RULER_H__
#include <gdk/gdk.h>
#include <gtk/gtkwidget.h>
G_BEGIN_DECLS
#define GTK_TYPE_CUSTOM_RULER (gtk_custom_ruler_get_type ())
#define GTK_CUSTOM_RULER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CUSTOM_RULER, GtkCustomRuler))
#define GTK_CUSTOM_RULER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CUSTOM_RULER, GtkCustomRulerClass))
#define GTK_IS_CUSTOM_RULER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CUSTOM_RULER))
#define GTK_IS_CUSTOM_RULER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CUSTOM_RULER))
#define GTK_CUSTOM_RULER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CUSTOM_RULER, GtkCustomRulerClass))
typedef struct _GtkCustomRuler GtkCustomRuler;
typedef struct _GtkCustomRulerClass GtkCustomRulerClass;
typedef struct _GtkCustomMetric GtkCustomMetric;
typedef struct _GtkCustomRulerMark GtkCustomRulerMark;
struct _GtkCustomRuler {
GtkWidget widget;
GdkPixmap *backing_store;
GdkGC *non_gr_exp_gc;
GtkCustomMetric *metric;
gint xsrc, ysrc;
gint slider_size;
gboolean show_position;
/* 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 _GtkCustomRulerClass {
GtkWidgetClass parent_class;
void (* draw_ticks) (GtkCustomRuler *ruler);
void (* draw_pos) (GtkCustomRuler *ruler);
};
typedef enum {
GtkCustomRulerMarkMajor,
GtkCustomRulerMarkMinor,
GtkCustomRulerMarkMicro
} GtkCustomRulerMarkStyle;
struct _GtkCustomRulerMark {
gchar *label;
gdouble position;
GtkCustomRulerMarkStyle style;
};
struct _GtkCustomMetric {
gfloat units_per_pixel;
gint (* get_marks) (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars);
};
GType gtk_custom_ruler_get_type (void);
void gtk_custom_ruler_set_metric (GtkCustomRuler *ruler, GtkCustomMetric *metric);
void gtk_custom_ruler_set_range (GtkCustomRuler *ruler,
gdouble lower,
gdouble upper,
gdouble position,
gdouble max_size);
void gtk_custom_ruler_draw_ticks (GtkCustomRuler *ruler);
void gtk_custom_ruler_draw_pos (GtkCustomRuler *ruler);
void gtk_custom_ruler_set_show_position (GtkCustomRuler *rule, gboolean yn);
G_END_DECLS
#endif /* __GTK_CUSTOM_RULER_H__ */
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