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/*
* frame.h
*
* Copyright © 2013-2015 Thomas White <taw@bitwiz.org.uk>
*
* This file is part of Colloquium.
*
* Colloquium 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 FRAME_H
#define FRAME_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pango/pango.h>
#include <cairo.h>
#include "sc_parse.h"
typedef enum
{
UNITS_SLIDE,
UNITS_FRAC
} LengthUnits;
typedef enum
{
GRAD_NONE,
GRAD_HORIZ,
GRAD_VERT
} GradientType;
struct frame
{
struct frame **children;
int num_children;
int max_children;
SCBlock *scblocks;
struct wrap_line *boxes; /* The unwrapped boxes */
int visited;
int n_lines;
int max_lines;
struct wrap_line *lines;
int n_paragraphs;
struct wrap_line **paragraphs;
int *paragraph_start_lines;
/* The rectangle allocated to this frame, determined by the renderer */
double x;
double y;
double w;
double h;
double pad_t;
double pad_b;
double pad_l;
double pad_r;
/* Background properties for this frame */
double bgcol[4];
double bgcol2[4];
GradientType grad;
/* True if this frame should be deleted on the next mouse click */
int empty;
/* True if the aspect ratio of this frame should be maintained */
int is_image;
/* True if this frame can be resized and moved */
int resizable;
/* True if wrapping failed for this frame */
int trouble;
};
extern struct frame *frame_new(void);
extern void frame_free(struct frame *fr);
extern struct frame *add_subframe(struct frame *fr);
extern void show_hierarchy(struct frame *fr, const char *t);
extern void delete_subframe(struct frame *top, struct frame *fr);
#endif /* FRAME_H */
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