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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
#define _POSIX_C_SOURCE 200809L
#include <json-c/json.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <wlr/util/log.h>
#include "swaybar/config.h"
#include "swaybar/status_line.h"
void i3bar_block_free(struct i3bar_block *block) {
if (!block) {
return;
}
wl_list_remove(&block->link);
free(block->full_text);
free(block->short_text);
free(block->align);
free(block->name);
free(block->instance);
free(block->color);
free(block);
}
static bool i3bar_parse_json(struct status_line *status, const char *text) {
struct i3bar_block *block, *tmp;
wl_list_for_each_safe(block, tmp, &status->blocks, link) {
i3bar_block_free(block);
}
json_object *results = json_tokener_parse(text);
if (!results) {
status_error(status, "[failed to parse i3bar json]");
return false;
}
wlr_log(L_DEBUG, "Got i3bar json: '%s'", text);
for (size_t i = 0; i < json_object_array_length(results); ++i) {
json_object *full_text, *short_text, *color, *min_width, *align, *urgent;
json_object *name, *instance, *separator, *separator_block_width;
json_object *background, *border, *border_top, *border_bottom;
json_object *border_left, *border_right, *markup;
json_object *json = json_object_array_get_idx(results, i);
if (!json) {
continue;
}
json_object_object_get_ex(json, "full_text", &full_text);
json_object_object_get_ex(json, "short_text", &short_text);
json_object_object_get_ex(json, "color", &color);
json_object_object_get_ex(json, "min_width", &min_width);
json_object_object_get_ex(json, "align", &align);
json_object_object_get_ex(json, "urgent", &urgent);
json_object_object_get_ex(json, "name", &name);
json_object_object_get_ex(json, "instance", &instance);
json_object_object_get_ex(json, "markup", &markup);
json_object_object_get_ex(json, "separator", &separator);
json_object_object_get_ex(json, "separator_block_width", &separator_block_width);
json_object_object_get_ex(json, "background", &background);
json_object_object_get_ex(json, "border", &border);
json_object_object_get_ex(json, "border_top", &border_top);
json_object_object_get_ex(json, "border_bottom", &border_bottom);
json_object_object_get_ex(json, "border_left", &border_left);
json_object_object_get_ex(json, "border_right", &border_right);
struct i3bar_block *block = calloc(1, sizeof(struct i3bar_block));
block->full_text = full_text ?
strdup(json_object_get_string(full_text)) : NULL;
block->short_text = short_text ?
strdup(json_object_get_string(short_text)) : NULL;
if (color) {
block->color = malloc(sizeof(uint32_t));
*block->color = parse_color(json_object_get_string(color));
}
if (min_width) {
json_type type = json_object_get_type(min_width);
if (type == json_type_int) {
block->min_width = json_object_get_int(min_width);
} else if (type == json_type_string) {
/* the width will be calculated when rendering */
block->min_width = 0;
}
}
block->align = strdup(align ? json_object_get_string(align) : "left");
block->urgent = urgent ? json_object_get_int(urgent) : false;
block->name = name ? strdup(json_object_get_string(name)) : NULL;
block->instance = instance ?
strdup(json_object_get_string(instance)) : NULL;
if (markup) {
block->markup = false;
const char *markup_str = json_object_get_string(markup);
if (strcmp(markup_str, "pango") == 0) {
block->markup = true;
}
}
block->separator = separator ? json_object_get_int(separator) : true;
block->separator_block_width = separator_block_width ?
json_object_get_int(separator_block_width) : 9;
// Airblader features
block->background = background ?
parse_color(json_object_get_string(background)) : 0;
block->border = border ?
parse_color(json_object_get_string(border)) : 0;
block->border_top = border_top ? json_object_get_int(border_top) : 1;
block->border_bottom = border_bottom ?
json_object_get_int(border_bottom) : 1;
block->border_left = border_left ? json_object_get_int(border_left) : 1;
block->border_right = border_right ?
json_object_get_int(border_right) : 1;
wl_list_insert(&status->blocks, &block->link);
}
json_object_put(results);
return true;
}
bool i3bar_handle_readable(struct status_line *status) {
struct i3bar_protocol_state *state = &status->i3bar_state;
char *cur = &state->buffer[state->buffer_index];
ssize_t n = read(status->read_fd, cur,
state->buffer_size - state->buffer_index);
if (n == -1) {
status_error(status, "[failed to read from status command]");
return false;
}
if (n == (ssize_t)(state->buffer_size - state->buffer_index)) {
state->buffer_size = state->buffer_size * 2;
char *new_buffer = realloc(state->buffer, state->buffer_size);
if (!new_buffer) {
free(state->buffer);
status_error(status, "[failed to allocate buffer]");
return true;
}
state->current_node += new_buffer - state->buffer;
cur += new_buffer - state->buffer;
state->buffer = new_buffer;
}
cur[n] = '\0';
bool redraw = false;
while (*cur) {
if (state->nodes[state->depth] == JSON_NODE_STRING) {
if (!state->escape && *cur == '"') {
--state->depth;
}
state->escape = !state->escape && *cur == '\\';
} else {
switch (*cur) {
case '[':
++state->depth;
if (state->depth >
sizeof(state->nodes) / sizeof(state->nodes[0])) {
status_error(status, "[i3bar json too deep]");
return false;
}
state->nodes[state->depth] = JSON_NODE_ARRAY;
if (state->depth == 1) {
state->current_node = cur;
}
break;
case ']':
if (state->nodes[state->depth] != JSON_NODE_ARRAY) {
status_error(status, "[failed to parse i3bar json]");
return false;
}
--state->depth;
if (state->depth == 0) {
// cur[1] is valid since cur[0] != '\0'
char p = cur[1];
cur[1] = '\0';
redraw = i3bar_parse_json(
status, state->current_node) || redraw;
cur[1] = p;
memmove(state->buffer, cur,
state->buffer_size - (cur - state->buffer));
cur = state->buffer;
state->current_node = cur + 1;
}
break;
case '"':
++state->depth;
if (state->depth >
sizeof(state->nodes) / sizeof(state->nodes[0])) {
status_error(status, "[i3bar json too deep]");
return false;
}
state->nodes[state->depth] = JSON_NODE_STRING;
break;
}
}
++cur;
}
state->buffer_index = cur - state->buffer;
return redraw;
}
void i3bar_block_send_click(struct status_line *status,
struct i3bar_block *block, int x, int y, uint32_t button) {
wlr_log(L_DEBUG, "block %s clicked", block->name ? block->name : "(nil)");
if (!block->name || !status->i3bar_state.click_events) {
return;
}
struct json_object *event_json = json_object_new_object();
json_object_object_add(event_json, "name",
json_object_new_string(block->name));
if (block->instance) {
json_object_object_add(event_json, "instance",
json_object_new_string(block->instance));
}
json_object_object_add(event_json, "button", json_object_new_int(button));
json_object_object_add(event_json, "x", json_object_new_int(x));
json_object_object_add(event_json, "y", json_object_new_int(y));
if (dprintf(status->write_fd, "%s\n",
json_object_to_json_string(event_json)) < 0) {
status_error(status, "[failed to write click event]");
}
json_object_put(event_json);
}
|
