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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 PRESENTATION_H
#define PRESENTATION_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gtk/gtk.h>
#include "stylesheet.h"
struct slide
{
struct presentation *parent;
cairo_surface_t *render_cache;
int render_cache_seq;
int num_objects;
struct object **objects;
int object_seq;
};
struct toolinfo
{
void (*click_create)(struct presentation *p, struct toolinfo *tip,
double x, double y);
void (*click_select)(struct presentation *p, struct toolinfo *tip,
double x, double y);
void (*create_default)(struct presentation *p, struct style *sty);
void (*select)(struct object *o, struct toolinfo *tip);
void (*deselect)(struct object *o, struct toolinfo *tip);
void (*drag_object)(struct toolinfo *tip, struct presentation *p,
struct object *o, double x, double y);
};
struct presentation
{
char *titlebar;
char *filename;
int completely_empty;
struct toolinfo *select_tool;
struct toolinfo *text_tool;
GtkWidget *window;
GtkWidget *drawingarea;
GtkUIManager *ui;
GtkActionGroup *action_group;
GtkIMContext *im_context;
GtkWidget *tbox;
int drag_preview_pending;
int have_drag_data;
int drag_highlight;
int drag_width;
int drag_height;
int draw_drag_box;
int drag_x;
int drag_y;
/* Stylesheet */
StyleSheet *ss;
struct style *default_style;
/* Dialogue boxes */
StylesheetWindow *stylesheetwindow;
/* Slideshow stuff */
GtkWidget *slideshow;
GtkWidget *ss_drawingarea;
GdkCursor *blank_cursor;
int ss_blank;
char ss_geom[256];
double slide_width;
double slide_height;
double border_offs_x;
double border_offs_y;
/* The slide currently being displayed */
unsigned int view_slide_number;
struct slide *view_slide;
struct object *editing_object;
/* Tool status */
struct toolinfo *cur_tool;
double drag_offs_x;
double drag_offs_y;
unsigned int num_slides;
struct slide **slides;
};
extern struct presentation *new_presentation(void);
extern struct slide *add_slide(struct presentation *p, int pos);
extern int add_object_to_slide(struct slide *s, struct object *o);
extern void remove_object_from_slide(struct slide *s, struct object *o);
extern struct object *find_object_at_position(struct slide *s,
double x, double y);
#endif /* PRESENTATION_H */
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