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/*
* presentation.h
*
* Colloquium - A tiny presentation program
*
* Copyright (c) 2011 Thomas White <taw@bitwiz.org.uk>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef OBJECTS_H
#define OBJECTS_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
enum objtype
{
TEXT,
};
struct object
{
enum objtype type;
struct slide *parent;
struct layout_element *le;
/* Position of corner of object */
double x;
double y;
/* Side of rectangular bounding box of object */
double bb_width;
double bb_height;
int empty;
/* For type TEXT */
char *text;
size_t text_len;
int insertion_point;
PangoLayout *layout;
PangoFontDescription *fontdesc;
struct text_style *style;
};
extern struct object *add_text_object(struct slide *s, double x, double y,
struct layout_element *el,
struct text_style *ts);
extern void insert_text(struct object *o, char *t);
extern void set_text_style(struct object *o, struct text_style *ts);
extern void notify_style_update(struct presentation *p, struct text_style *ts);
extern void handle_text_backspace(struct object *o);
extern void move_cursor_left(struct object *o);
extern void move_cursor_right(struct object *o);
extern void position_caret(struct object *o, double x, double y);
extern void notify_layout_update(struct presentation *p,
struct layout_element *ts);
extern void delete_object(struct object *o);
#endif /* OBJECTS_H */
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