/*
 *  $Id: gwygraphlabel.h 20678 2017-12-18 18:26:55Z yeti-dn $
 *  Copyright (C) 2003 David Necas (Yeti), Petr Klapetek.
 *  E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 */

#ifndef __GWY_GRAPH_LABEL_H__
#define __GWY_GRAPH_LABEL_H__

#include <gdk/gdk.h>
#include <gtk/gtkwidget.h>
#include <libgwydgets/gwygraphmodel.h>

G_BEGIN_DECLS

#define GWY_TYPE_GRAPH_LABEL            (gwy_graph_label_get_type())
#define GWY_GRAPH_LABEL(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), GWY_TYPE_GRAPH_LABEL, GwyGraphLabel))
#define GWY_GRAPH_LABEL_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), GWY_TYPE_GRAPH_LABEL, GwyGraphLabelClass))
#define GWY_IS_GRAPH_LABEL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), GWY_TYPE_GRAPH_LABEL))
#define GWY_IS_GRAPH_LABEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GWY_TYPE_GRAPH_LABEL))
#define GWY_GRAPH_LABEL_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), GWY_TYPE_GRAPH_LABEL, GwyGraphLabelClass))

typedef struct _GwyGraphLabel      GwyGraphLabel;
typedef struct _GwyGraphLabelClass GwyGraphLabelClass;


struct _GwyGraphLabel {
    GtkWidget widget;

    GwyGraphModel *graph_model;

    PangoFontDescription *font_desc;
    GArray *samplepos;
    gint reqheight;
    gint reqwidth;

    gboolean enable_user_input;
    gboolean bool1;

    gulong model_notify_id;
    gulong curve_notify_id;
    gulong handler_id;

    gpointer reserved1;
    gpointer reserved2;
};

struct _GwyGraphLabelClass {
    GtkWidgetClass parent_class;

    void (*reserved1)(void);
    void (*reserved2)(void);
};

GType          gwy_graph_label_get_type         (void) G_GNUC_CONST;
GtkWidget*     gwy_graph_label_new              (void);
void           gwy_graph_label_set_model        (GwyGraphLabel *label,
                                                 GwyGraphModel *gmodel);
GwyGraphModel* gwy_graph_label_get_model        (GwyGraphLabel *label);
void           gwy_graph_label_enable_user_input(GwyGraphLabel *label,
                                                 gboolean enable);
void           gwy_graph_label_draw_on_drawable (GwyGraphLabel *label,
                                                 GdkDrawable *drawable,
                                                 GdkGC *gc,
                                                 PangoLayout *layout,
                                                 gint x,
                                                 gint y,
                                                 gint width,
                                                 gint height);
GString*       gwy_graph_label_export_vector    (GwyGraphLabel *label,
                                                 gint x,
                                                 gint y,
                                                 gint width,
                                                 gint height,
                                                 gint fontsize);

G_END_DECLS

#endif /* __GWY_GRAPH_LABEL_H__ */

/* vim: set cin et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
