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/*
* gMathView, mathematic expressions viewing & editing widget
*
* # Widget header
*
* Author : Guillaume Seguin
* Email : guillaume@segu.in
*
* Copyright (c) 2007 Guillaume Seguin <guillaume@segu.in>
*
* 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 _GMATHVIEW_H
#define _GMATHVIEW_H
#include <gtk/gtk.h>
#include <cairo.h>
#include <gmathlib.h>
#include <gmathcairo.h>
#define OUTLINE_WIDTH 1
#define BASE_OFFSET 2
G_BEGIN_DECLS
#define G_TYPE_MATH_VIEW (g_math_view_get_type ())
#define G_MATH_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
G_TYPE_MATH_VIEW, GMathView))
#define G_MATH_VIEW_CLASS(obj) (G_TYPE_CHECK_CLASS_CAST ((obj), \
G_MATH_VIEW, GMathViewClass))
#define IS_G_MATH_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
G_TYPE_MATH_VIEW))
#define IS_G_MATH_VIEW_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((obj), \
G_TYPE_MATH_VIEW))
#define G_MATH_VIEW_GET_CLASS (G_TYPE_INSTANCE_GET_CLASS ((obj), \
G_TYPE_MATH_VIEW, GMathViewClass))
typedef struct _GMathView GMathView;
typedef struct _GMathViewClass GMathViewClass;
typedef struct _GMathViewPrivate GMathViewPrivate;
struct _GMathView
{
GtkDrawingArea parent;
};
struct _GMathViewClass
{
GtkDrawingAreaClass parent_class;
};
typedef enum
{
GMathSelectionNone,
GMathSelectionOutline,
GMathSelectionHighlight
} GMathSelectionType;
GType
g_math_view_get_type (void) G_GNUC_CONST;
GtkWidget*
g_math_view_new (void);
void
g_math_view_update (GMathView *mathview);
GMathContext*
g_math_view_get_context (GMathView *mathview);
GMathFormula*
g_math_view_get_formula (GMathView *mathview);
void
g_math_view_set_formula (GMathView *mathview, GMathFormula *formula);
gboolean
g_math_view_get_editor_mode (GMathView *mathview);
void
g_math_view_set_editor_mode (GMathView *mathview, gboolean editor_mode);
G_END_DECLS
/* Helper functions */
cairo_surface_t*
g_math_view_copy_surface (cairo_surface_t *source);
void
g_math_view_outline_boxed (cairo_t *cr, GMathBoxed *boxed);
void
g_math_view_highlight_boxed (cairo_t *cr, GMathBoxed *boxed);
#endif
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