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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
#include <stdlib.h>
#include <locale.h>
#include <math.h>
#include "window.h"
#include "layout.h"
#include "util.h"
#include "event.h"
#include "config.h"
#define ANY_LOG_IMPLEMENT
#define ANY_LOG_VALUE_STRING(key, value) "%s=\"%s\"", key, value ? value : "(null)"
#include "any_log.h"
cairo_surface_t *render(layout_t *layout, layout_info_t info)
{
cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, info.width, info.height);
log_value_trace("Created cairo surface",
"i:width", info.width,
"i:height", info.height);
cairo_t *cr = cairo_create(surface);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
//color_t color = layout->block->color;
//cairo_set_source_rgba(cr, color.r, color.g, color.b, color.a);
//cairo_paint(cr);
layout_render(layout, cr);
log_trace("Rendered layouts");
cairo_destroy(cr);
return surface;
}
int main(int argc, char **argv)
{
setlocale(LC_CTYPE, "");
any_log_init(stdout, ANY_LOG_DEBUG);
config_t config;
config_init(&config);
log_debug("Copied default config");
const char *config_path = "comet.conf";
FILE *config_file = fopen(config_path, "rb");
if (config_file != NULL) {
log_debug("Reading config '%s'", config_path);
config_read(&config, config_file);
}
display_t display;
display_init(&display);
window_t window;
window_init(&window, &display);
int x_padding = 10;
int y_padding = 8;
log_debug("Loading font '%s'", config.font);
PangoFontDescription *fontdesc = pango_font_description_from_string(config.font);
layout_info_t info = {
.fontdesc = fontdesc,
.context = pango_cairo_create_context(window.cr),
.x_offset = 0,
.height = config.height,
.width = config.width,
};
window_resize(&window, config.width, config.height);
window_move(&window, x_padding, y_padding);
block_t blocks[2] = {
{
.color = { 0.2, 0.2, 0.2, 1 },
.type = BLOCK_TEXT,
.text = {
.text = "A",
.text_color = { 0.8, 0.9, 0.3, 1 },
},
},
{
.color = { 0.2, 0.2, 0.2, 1 },
.type = BLOCK_TEXT,
.min_width = 100,
.text = {
.text = "B",
.text_color = { 0.8, 0.9, 0.3, 1 },
},
},
};
block_t top = {
.hidden = false,
.color = { 0.3, 0.2, 0.5, 1 },
.min_width = config.width,
.type = BLOCK_GROUP,
.group = {
.spacing = 10,
.n_children = 2,
.children = blocks,
},
};
// TODO: Allow ondemand rendering
struct timespec rate, start, end, diff;
double freq = 1.0 / 60.0 + 0.5e-9;
rate.tv_sec = (long)freq;
rate.tv_nsec = (freq - rate.tv_sec) * 1000000000ul;
while (true) {
timespec_get(&start, TIME_UTC);
block_update(&top);
layout_t layout;
layout_init(&layout, &top, info);
event_dispatch(&display, &layout);
cairo_surface_t *surface = render(&layout, info);
window_present(&window, surface, config.width, config.height);
cairo_surface_destroy(surface);
layout_free(&layout);
timespec_get(&end, TIME_UTC);
diff = timespec_diff(timespec_diff(end, start), rate);
nanosleep(&diff, NULL);
}
window_close(&window);
display_close(&display);
config_free(&config);
return 0;
}
|
