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author | Brian Ashworth <bosrsf04@gmail.com> | 2018-07-28 22:56:12 -0400 |
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committer | Brian Ashworth <bosrsf04@gmail.com> | 2018-08-01 22:47:54 -0400 |
commit | 6124d0f9a202ba2f39125602a35bb47d3742022b (patch) | |
tree | fbc9b0fac38809907d51bdcc7b30367c623e7b55 /swaynag/config.c | |
parent | Disable pango markup for extended message (diff) | |
download | sway-6124d0f9a202ba2f39125602a35bb47d3742022b.tar.gz sway-6124d0f9a202ba2f39125602a35bb47d3742022b.tar.zst sway-6124d0f9a202ba2f39125602a35bb47d3742022b.zip |
swaynag: split config into own file and fix optind
Diffstat (limited to 'swaynag/config.c')
-rw-r--r-- | swaynag/config.c | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/swaynag/config.c b/swaynag/config.c new file mode 100644 index 00000000..4e7edf2e --- /dev/null +++ b/swaynag/config.c | |||
@@ -0,0 +1,292 @@ | |||
1 | #define _XOPEN_SOURCE 700 | ||
2 | #define _POSIX_C_SOURCE 200112L | ||
3 | #include <getopt.h> | ||
4 | #include <stdlib.h> | ||
5 | #include <wordexp.h> | ||
6 | #include "log.h" | ||
7 | #include "list.h" | ||
8 | #include "readline.h" | ||
9 | #include "swaynag/nagbar.h" | ||
10 | #include "swaynag/types.h" | ||
11 | #include "wlr-layer-shell-unstable-v1-client-protocol.h" | ||
12 | |||
13 | static char *read_from_stdin() { | ||
14 | char *buffer = NULL; | ||
15 | while (!feof(stdin)) { | ||
16 | char *line = read_line(stdin); | ||
17 | if (!line) { | ||
18 | continue; | ||
19 | } | ||
20 | |||
21 | if (!buffer) { | ||
22 | buffer = strdup(line); | ||
23 | } else { | ||
24 | buffer = realloc(buffer, strlen(buffer) + strlen(line) + 2); | ||
25 | strcat(buffer, line); | ||
26 | strcat(buffer, "\n"); | ||
27 | } | ||
28 | |||
29 | free(line); | ||
30 | } | ||
31 | |||
32 | if (buffer && buffer[strlen(buffer) - 1] == '\n') { | ||
33 | buffer[strlen(buffer) - 1] = '\0'; | ||
34 | } | ||
35 | |||
36 | return buffer; | ||
37 | } | ||
38 | |||
39 | int nagbar_parse_options(int argc, char **argv, struct sway_nagbar *nagbar, | ||
40 | list_t *types, char **config, bool *debug) { | ||
41 | static struct option opts[] = { | ||
42 | {"button", required_argument, NULL, 'b'}, | ||
43 | {"config", required_argument, NULL, 'c'}, | ||
44 | {"debug", no_argument, NULL, 'd'}, | ||
45 | {"edge", required_argument, NULL, 'e'}, | ||
46 | {"font", required_argument, NULL, 'f'}, | ||
47 | {"help", no_argument, NULL, 'h'}, | ||
48 | {"detailed-message", no_argument, NULL, 'l'}, | ||
49 | {"detailed-button", required_argument, NULL, 'L'}, | ||
50 | {"message", required_argument, NULL, 'm'}, | ||
51 | {"output", required_argument, NULL, 'o'}, | ||
52 | {"dismiss-button", required_argument, NULL, 's'}, | ||
53 | {"type", required_argument, NULL, 't'}, | ||
54 | {"version", no_argument, NULL, 'v'}, | ||
55 | {0, 0, 0, 0} | ||
56 | }; | ||
57 | |||
58 | const char *usage = | ||
59 | "Usage: swaynag [options...]\n" | ||
60 | "\n" | ||
61 | " -b, --button <text> <action> Create a button with text that " | ||
62 | "executes action when pressed. Multiple buttons can be defined.\n" | ||
63 | " -c, --config <path> Path to config file.\n" | ||
64 | " -d, --debug Enable debugging.\n" | ||
65 | " -e, --edge top|bottom Set the edge to use.\n" | ||
66 | " -f, --font <font> Set the font to use.\n" | ||
67 | " -h, --help Show help message and quit.\n" | ||
68 | " -l, --detailed-message Read a detailed message from stdin.\n" | ||
69 | " -L, --detailed-button <text> Set the text of the detail button.\n" | ||
70 | " -m, --message <msg> Set the message text.\n" | ||
71 | " -o, --output <output> Set the output to use.\n" | ||
72 | " -s, --dismiss-button <text> Set the dismiss button text.\n" | ||
73 | " -t, --type <type> Set the message type.\n" | ||
74 | " -v, --version Show the version number and quit.\n"; | ||
75 | |||
76 | optind = 1; | ||
77 | while (1) { | ||
78 | int c = getopt_long(argc, argv, "b:c:de:f:hlL:m:o:s:t:v", opts, NULL); | ||
79 | if (c == -1) { | ||
80 | break; | ||
81 | } | ||
82 | switch (c) { | ||
83 | case 'b': // Button | ||
84 | if (nagbar) { | ||
85 | if (optind >= argc) { | ||
86 | fprintf(stderr, "Missing action for button %s\n", optarg); | ||
87 | return EXIT_FAILURE; | ||
88 | } | ||
89 | struct sway_nagbar_button *button; | ||
90 | button = calloc(sizeof(struct sway_nagbar_button), 1); | ||
91 | button->text = strdup(optarg); | ||
92 | button->type = NAGBAR_ACTION_COMMAND; | ||
93 | button->action = strdup(argv[optind]); | ||
94 | list_add(nagbar->buttons, button); | ||
95 | } | ||
96 | optind++; | ||
97 | break; | ||
98 | case 'c': // Config | ||
99 | if (config) { | ||
100 | *config = strdup(optarg); | ||
101 | } | ||
102 | break; | ||
103 | case 'd': // Debug | ||
104 | if (debug) { | ||
105 | *debug = true; | ||
106 | } | ||
107 | break; | ||
108 | case 'e': // Edge | ||
109 | if (nagbar) { | ||
110 | if (strcmp(optarg, "top") == 0) { | ||
111 | nagbar->anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ||
112 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ||
113 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT; | ||
114 | } else if (strcmp(optarg, "bottom") == 0) { | ||
115 | nagbar->anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | ||
116 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ||
117 | | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT; | ||
118 | } else { | ||
119 | fprintf(stderr, "Invalid edge: %s\n", optarg); | ||
120 | return EXIT_FAILURE; | ||
121 | } | ||
122 | } | ||
123 | break; | ||
124 | case 'f': // Font | ||
125 | if (nagbar) { | ||
126 | free(nagbar->font); | ||
127 | nagbar->font = strdup(optarg); | ||
128 | } | ||
129 | break; | ||
130 | case 'l': // Detailed Message | ||
131 | if (nagbar) { | ||
132 | free(nagbar->details.message); | ||
133 | nagbar->details.message = read_from_stdin(); | ||
134 | nagbar->details.button_up.text = strdup("▲"); | ||
135 | nagbar->details.button_down.text = strdup("▼"); | ||
136 | } | ||
137 | break; | ||
138 | case 'L': // Detailed Button Text | ||
139 | if (nagbar) { | ||
140 | free(nagbar->details.button_details.text); | ||
141 | nagbar->details.button_details.text = strdup(optarg); | ||
142 | } | ||
143 | break; | ||
144 | case 'm': // Message | ||
145 | if (nagbar) { | ||
146 | free(nagbar->message); | ||
147 | nagbar->message = strdup(optarg); | ||
148 | } | ||
149 | break; | ||
150 | case 'o': // Output | ||
151 | if (nagbar) { | ||
152 | free(nagbar->output.name); | ||
153 | nagbar->output.name = strdup(optarg); | ||
154 | } | ||
155 | break; | ||
156 | case 's': // Dismiss Button Text | ||
157 | if (nagbar) { | ||
158 | struct sway_nagbar_button *button_close; | ||
159 | button_close = nagbar->buttons->items[0]; | ||
160 | free(button_close->text); | ||
161 | button_close->text = strdup(optarg); | ||
162 | } | ||
163 | break; | ||
164 | case 't': // Type | ||
165 | if (nagbar) { | ||
166 | nagbar->type = nagbar_type_get(types, optarg); | ||
167 | if (!nagbar->type) { | ||
168 | fprintf(stderr, "Unknown type %s\n", optarg); | ||
169 | return EXIT_FAILURE; | ||
170 | } | ||
171 | } | ||
172 | break; | ||
173 | case 'v': // Version | ||
174 | fprintf(stdout, "swaynag version " SWAY_VERSION "\n"); | ||
175 | return -1; | ||
176 | default: // Help or unknown flag | ||
177 | fprintf(c == 'h' ? stdout : stderr, "%s", usage); | ||
178 | return -1; | ||
179 | } | ||
180 | } | ||
181 | |||
182 | return 0; | ||
183 | } | ||
184 | |||
185 | static bool file_exists(const char *path) { | ||
186 | return path && access(path, R_OK) != -1; | ||
187 | } | ||
188 | |||
189 | char *nagbar_get_config_path(void) { | ||
190 | static const char *config_paths[] = { | ||
191 | "$HOME/.swaynag/config", | ||
192 | "$XDG_CONFIG_HOME/swaynag/config", | ||
193 | SYSCONFDIR "/swaynag/config", | ||
194 | }; | ||
195 | |||
196 | if (!getenv("XDG_CONFIG_HOME")) { | ||
197 | char *home = getenv("HOME"); | ||
198 | char *config_home = malloc(strlen(home) + strlen("/.config") + 1); | ||
199 | if (!config_home) { | ||
200 | wlr_log(WLR_ERROR, "Unable to allocate $HOME/.config"); | ||
201 | } else { | ||
202 | strcpy(config_home, home); | ||
203 | strcat(config_home, "/.config"); | ||
204 | setenv("XDG_CONFIG_HOME", config_home, 1); | ||
205 | wlr_log(WLR_DEBUG, "Set XDG_CONFIG_HOME to %s", config_home); | ||
206 | free(config_home); | ||
207 | } | ||
208 | } | ||
209 | |||
210 | wordexp_t p; | ||
211 | char *path; | ||
212 | for (size_t i = 0; i < sizeof(config_paths) / sizeof(char *); ++i) { | ||
213 | if (wordexp(config_paths[i], &p, 0) == 0) { | ||
214 | path = strdup(p.we_wordv[0]); | ||
215 | wordfree(&p); | ||
216 | if (file_exists(path)) { | ||
217 | return path; | ||
218 | } | ||
219 | free(path); | ||
220 | } | ||
221 | } | ||
222 | |||
223 | return NULL; | ||
224 | } | ||
225 | |||
226 | int nagbar_load_config(char *path, struct sway_nagbar *nagbar, list_t *types) { | ||
227 | FILE *config = fopen(path, "r"); | ||
228 | if (!config) { | ||
229 | fprintf(stderr, "Failed to read config. Running without it.\n"); | ||
230 | return 0; | ||
231 | } | ||
232 | struct sway_nagbar_type *type = NULL; | ||
233 | char *line; | ||
234 | int line_number = 0; | ||
235 | while (!feof(config)) { | ||
236 | line = read_line(config); | ||
237 | if (!line) { | ||
238 | continue; | ||
239 | } | ||
240 | |||
241 | line_number++; | ||
242 | if (line[0] == '#') { | ||
243 | free(line); | ||
244 | continue; | ||
245 | } | ||
246 | if (strlen(line) == 0) { | ||
247 | free(line); | ||
248 | continue; | ||
249 | } | ||
250 | |||
251 | if (line[0] == '[') { | ||
252 | char *close = strchr(line, ']'); | ||
253 | if (!close) { | ||
254 | free(line); | ||
255 | fclose(config); | ||
256 | fprintf(stderr, "Closing bracket not found on line %d\n", | ||
257 | line_number); | ||
258 | return 1; | ||
259 | } | ||
260 | char *name = calloc(1, close - line); | ||
261 | strncat(name, line + 1, close - line - 1); | ||
262 | type = nagbar_type_get(types, name); | ||
263 | if (!type) { | ||
264 | type = calloc(1, sizeof(struct sway_nagbar_type)); | ||
265 | type->name = strdup(name); | ||
266 | list_add(types, type); | ||
267 | } | ||
268 | free(name); | ||
269 | } else { | ||
270 | char flag[strlen(line) + 3]; | ||
271 | sprintf(flag, "--%s", line); | ||
272 | char *argv[] = {"swaynag", flag}; | ||
273 | int result; | ||
274 | if (type) { | ||
275 | result = nagbar_parse_type(2, argv, type); | ||
276 | } else { | ||
277 | result = nagbar_parse_options(2, argv, nagbar, types, | ||
278 | NULL, NULL); | ||
279 | } | ||
280 | if (result != 0) { | ||
281 | free(line); | ||
282 | fclose(config); | ||
283 | return result; | ||
284 | } | ||
285 | } | ||
286 | |||
287 | free(line); | ||
288 | } | ||
289 | fclose(config); | ||
290 | return 0; | ||
291 | } | ||
292 | |||