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Diffstat (limited to 'gtk2_ardour/gtk-custom-ruler.h')
-rw-r--r-- | gtk2_ardour/gtk-custom-ruler.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/gtk2_ardour/gtk-custom-ruler.h b/gtk2_ardour/gtk-custom-ruler.h new file mode 100644 index 0000000000..da280abed5 --- /dev/null +++ b/gtk2_ardour/gtk-custom-ruler.h @@ -0,0 +1,111 @@ +/* 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> + + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#define GTK_TYPE_CUSTOM_RULER (gtk_custom_ruler_get_type ()) +#define GTK_CUSTOM_RULER(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_CUSTOM_RULER, GtkCustomRuler)) +#define GTK_CUSTOM_RULER_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_CUSTOM_RULER, GtkCustomRulerClass)) +#define GTK_IS_CUSTOM_RULER(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_CUSTOM_RULER)) +#define GTK_IS_CUSTOM_RULER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CUSTOM_RULER)) + +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) */ + gulong lower; + /* The lower limit of the ruler */ + gulong upper; + /* The position of the mark on the ruler */ + gulong position; + /* The maximum size of the ruler */ + gulong 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; + gulong position; + GtkCustomRulerMarkStyle style; +}; + +struct _GtkCustomMetric { + gfloat units_per_pixel; + gint (* get_marks) (GtkCustomRulerMark **marks, gulong lower, gulong upper, gint maxchars); +}; + +GtkType gtk_custom_ruler_get_type (void); +void gtk_custom_ruler_set_metric (GtkCustomRuler *ruler, GtkCustomMetric *metric); +void gtk_custom_ruler_set_range (GtkCustomRuler *ruler, + gulong lower, + gulong upper, + gulong position, + gulong 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); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __GTK_CUSTOM_RULER_H__ */ |