1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* frame.h
*
* Copyright © 2013 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>
typedef struct _stylesheet StyleSheet;
typedef enum
{
DIR_NONE,
DIR_UL,
DIR_U,
DIR_UR,
DIR_R,
DIR_DR,
DIR_D,
DIR_DL,
DIR_L
} Direction;
typedef enum
{
UNITS_SLIDE,
UNITS_FRAC
} LengthUnits;
struct layout_parameters
{
double margin_l;
double margin_r;
double margin_t;
double margin_b;
double pad_l;
double pad_r;
double pad_t;
double pad_b;
double x;
double y;
double w;
LengthUnits w_units;
double h;
LengthUnits h_units;
};
struct frame
{
struct frame **children;
int num_children;
int max_children;
char *sc; /* Storycode */
size_t sc_len; /* Space allocated for sc */
int n_lines;
int max_lines;
struct wrap_line *lines;
size_t pos;
struct layout_parameters lop;
struct style *style;
int lop_from_style; /* True if lop came from SS */
/* The rectangle allocated to this frame, determined by the renderer */
double x;
double y;
double w;
double h;
/* 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 wrapping failed for this box */
int trouble;
};
extern struct frame *frame_new(void);
extern struct frame *add_subframe(struct frame *fr);
extern struct frame *sc_unpack(const char *sc, StyleSheet *ss);
extern void show_hierarchy(struct frame *fr, const char *t);
#endif /* FRAME_H */
|
