swaynag: implement config file support

This commit is contained in:
Brian Ashworth 2018-07-28 09:34:25 -04:00
parent a4f7bf23b2
commit 8463a2896a
10 changed files with 499 additions and 137 deletions

View file

@ -1,10 +1,14 @@
#define _XOPEN_SOURCE 500
#define _XOPEN_SOURCE 700
#define _POSIX_C_SOURCE 200112L
#include <getopt.h>
#include <signal.h>
#include <stdlib.h>
#include <wordexp.h>
#include "log.h"
#include "list.h"
#include "readline.h"
#include "swaynag/nagbar.h"
#include "swaynag/types.h"
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
static struct sway_nagbar nagbar;
@ -19,22 +23,6 @@ void sway_terminate(int code) {
exit(code);
}
static void set_nagbar_colors() {
if (nagbar.type == NAGBAR_ERROR) {
nagbar.colors.button_background = 0x680A0AFF;
nagbar.colors.background = 0x900000FF;
nagbar.colors.text = 0xFFFFFFFF;
nagbar.colors.border = 0xD92424FF;
nagbar.colors.border_bottom = 0x470909FF;
} else if (nagbar.type == NAGBAR_WARNING) {
nagbar.colors.button_background = 0xFFC100FF;
nagbar.colors.background = 0xFFA800FF;
nagbar.colors.text = 0x000000FF;
nagbar.colors.border = 0xAB7100FF;
nagbar.colors.border_bottom = 0xAB7100FF;
}
}
static char *read_from_stdin() {
char *buffer = NULL;
while (!feof(stdin)) {
@ -61,32 +49,11 @@ static char *read_from_stdin() {
return buffer;
}
int main(int argc, char **argv) {
int exit_code = EXIT_SUCCESS;
bool debug = false;
memset(&nagbar, 0, sizeof(nagbar));
nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
nagbar.type = NAGBAR_ERROR;
set_nagbar_colors();
nagbar.font = strdup("pango:monospace 10");
nagbar.buttons = create_list();
struct sway_nagbar_button *button_close =
calloc(sizeof(struct sway_nagbar_button), 1);
button_close->text = strdup("X");
button_close->type = NAGBAR_ACTION_DISMISS;
list_add(nagbar.buttons, button_close);
struct sway_nagbar_button *button_details =
calloc(sizeof(struct sway_nagbar_button), 1);
button_details->text = strdup("Toggle Details");
button_details->type = NAGBAR_ACTION_EXPAND;
static int parse_options(int argc, char **argv, struct sway_nagbar *nagbar,
list_t *types, char **config, bool *debug) {
static struct option opts[] = {
{"button", required_argument, NULL, 'b'},
{"config", required_argument, NULL, 'c'},
{"debug", no_argument, NULL, 'd'},
{"edge", required_argument, NULL, 'e'},
{"font", required_argument, NULL, 'f'},
@ -106,6 +73,7 @@ int main(int argc, char **argv) {
"\n"
" -b, --button <text> <action> Create a button with text that "
"executes action when pressed. Multiple buttons can be defined.\n"
" -c, --config <path> Path to config file.\n"
" -d, --debug Enable debugging.\n"
" -e, --edge top|bottom Set the edge to use.\n"
" -f, --font <font> Set the font to use.\n"
@ -115,97 +83,278 @@ int main(int argc, char **argv) {
" -m, --message <msg> Set the message text.\n"
" -o, --output <output> Set the output to use.\n"
" -s, --dismiss-button <text> Set the dismiss button text.\n"
" -t, --type error|warning Set the message type.\n"
" -t, --type <type> Set the message type.\n"
" -v, --version Show the version number and quit.\n";
optind = 1;
while (1) {
int c = getopt_long(argc, argv, "b:de:f:hlL:m:o:s:t:v", opts, NULL);
int c = getopt_long(argc, argv, "b:c:de:f:hlL:m:o:s:t:v", opts, NULL);
if (c == -1) {
break;
}
switch (c) {
case 'b': // Button
if (optind >= argc) {
fprintf(stderr, "Missing action for button %s\n", optarg);
exit_code = EXIT_FAILURE;
goto cleanup;
if (nagbar) {
if (optind >= argc) {
fprintf(stderr, "Missing action for button %s\n", optarg);
return EXIT_FAILURE;
}
struct sway_nagbar_button *button;
button = calloc(sizeof(struct sway_nagbar_button), 1);
button->text = strdup(optarg);
button->type = NAGBAR_ACTION_COMMAND;
button->action = strdup(argv[optind]);
optind++;
list_add(nagbar->buttons, button);
}
break;
case 'c': // Config
if (config) {
*config = strdup(optarg);
}
struct sway_nagbar_button *button;
button = calloc(sizeof(struct sway_nagbar_button), 1);
button->text = strdup(optarg);
button->type = NAGBAR_ACTION_COMMAND;
button->action = strdup(argv[optind]);
optind++;
list_add(nagbar.buttons, button);
break;
case 'd': // Debug
debug = true;
if (debug) {
*debug = true;
}
break;
case 'e': // Edge
if (strcmp(optarg, "top") == 0) {
nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
} else if (strcmp(optarg, "bottom") == 0) {
nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM
| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
} else {
fprintf(stderr, "Invalid edge: %s\n", optarg);
exit_code = EXIT_FAILURE;
goto cleanup;
if (nagbar) {
if (strcmp(optarg, "top") == 0) {
nagbar->anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
} else if (strcmp(optarg, "bottom") == 0) {
nagbar->anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM
| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
} else {
fprintf(stderr, "Invalid edge: %s\n", optarg);
return EXIT_FAILURE;
}
}
break;
case 'f': // Font
free(nagbar.font);
nagbar.font = strdup(optarg);
if (nagbar) {
free(nagbar->font);
nagbar->font = strdup(optarg);
}
break;
case 'l': // Detailed Message
free(nagbar.details.message);
nagbar.details.message = read_from_stdin();
nagbar.details.button_up.text = strdup("");
nagbar.details.button_down.text = strdup("");
if (nagbar) {
free(nagbar->details.message);
nagbar->details.message = read_from_stdin();
nagbar->details.button_up.text = strdup("");
nagbar->details.button_down.text = strdup("");
}
break;
case 'L': // Detailed Button Text
free(button_details->text);
button_details->text = strdup(optarg);
if (nagbar) {
free(nagbar->details.button_details.text);
nagbar->details.button_details.text = strdup(optarg);
}
break;
case 'm': // Message
free(nagbar.message);
nagbar.message = strdup(optarg);
if (nagbar) {
free(nagbar->message);
nagbar->message = strdup(optarg);
}
break;
case 'o': // Output
free(nagbar.output.name);
nagbar.output.name = strdup(optarg);
if (nagbar) {
free(nagbar->output.name);
nagbar->output.name = strdup(optarg);
}
break;
case 's': // Dismiss Button Text
free(button_close->text);
button_close->text = strdup(optarg);
if (nagbar) {
struct sway_nagbar_button *button_close;
button_close = nagbar->buttons->items[0];
free(button_close->text);
button_close->text = strdup(optarg);
}
break;
case 't': // Type
if (strcmp(optarg, "error") == 0) {
nagbar.type = NAGBAR_ERROR;
} else if (strcmp(optarg, "warning") == 0) {
nagbar.type = NAGBAR_WARNING;
} else {
fprintf(stderr, "Type must be either 'error' or 'warning'\n");
exit_code = EXIT_FAILURE;
goto cleanup;
if (nagbar) {
nagbar->type = nagbar_type_get(types, optarg);
if (!nagbar->type) {
fprintf(stderr, "Unknown type %s\n", optarg);
return EXIT_FAILURE;
}
}
set_nagbar_colors();
break;
case 'v': // Version
fprintf(stdout, "swaynag version " SWAY_VERSION "\n");
exit_code = EXIT_SUCCESS;
goto cleanup;
return -1;
default: // Help or unknown flag
fprintf(c == 'h' ? stdout : stderr, "%s", usage);
exit_code = c == 'h' ? EXIT_SUCCESS : EXIT_FAILURE;
return -1;
}
}
return 0;
}
static bool file_exists(const char *path) {
return path && access(path, R_OK) != -1;
}
static char *get_config_path(void) {
static const char *config_paths[] = {
"$HOME/.swaynag/config",
"$XDG_CONFIG_HOME/swaynag/config",
SYSCONFDIR "/swaynag/config",
};
if (!getenv("XDG_CONFIG_HOME")) {
char *home = getenv("HOME");
char *config_home = malloc(strlen(home) + strlen("/.config") + 1);
if (!config_home) {
wlr_log(WLR_ERROR, "Unable to allocate $HOME/.config");
} else {
strcpy(config_home, home);
strcat(config_home, "/.config");
setenv("XDG_CONFIG_HOME", config_home, 1);
wlr_log(WLR_DEBUG, "Set XDG_CONFIG_HOME to %s", config_home);
free(config_home);
}
}
wordexp_t p;
char *path;
for (size_t i = 0; i < sizeof(config_paths) / sizeof(char *); ++i) {
if (wordexp(config_paths[i], &p, 0) == 0) {
path = strdup(p.we_wordv[0]);
wordfree(&p);
if (file_exists(path)) {
return path;
}
free(path);
}
}
return NULL;
}
static int load_config(char *path, struct sway_nagbar *nagbar, list_t *types) {
FILE *config = fopen(path, "r");
if (!config) {
fprintf(stderr, "Failed to read config. Running without it.\n");
return 0;
}
struct sway_nagbar_type *type = NULL;
char *line;
int line_number = 0;
while (!feof(config)) {
line = read_line(config);
if (!line) {
continue;
}
line_number++;
if (line[0] == '#') {
free(line);
continue;
}
if (strlen(line) == 0) {
free(line);
continue;
}
if (line[0] == '[') {
char *close = strchr(line, ']');
if (!close) {
free(line);
fclose(config);
fprintf(stderr, "Closing bracket not found on line %d\n",
line_number);
return 1;
}
char *name = calloc(1, close - line);
strncat(name, line + 1, close - line - 1);
type = nagbar_type_get(types, name);
if (!type) {
type = calloc(1, sizeof(struct sway_nagbar_type));
type->name = strdup(name);
list_add(types, type);
}
free(name);
} else {
char flag[strlen(line) + 3];
sprintf(flag, "--%s", line);
char *argv[] = {"swaynag", flag};
int result;
if (type) {
result = nagbar_parse_type(2, argv, type);
} else {
result = parse_options(2, argv, nagbar, types, NULL, NULL);
}
if (result != 0) {
free(line);
fclose(config);
return result;
}
}
free(line);
}
fclose(config);
return 0;
}
int main(int argc, char **argv) {
int exit_code = EXIT_SUCCESS;
list_t *types = create_list();
nagbar_types_add_default(types);
memset(&nagbar, 0, sizeof(nagbar));
nagbar.anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
nagbar.font = strdup("pango:monospace 10");
nagbar.buttons = create_list();
struct sway_nagbar_button *button_close =
calloc(sizeof(struct sway_nagbar_button), 1);
button_close->text = strdup("X");
button_close->type = NAGBAR_ACTION_DISMISS;
list_add(nagbar.buttons, button_close);
nagbar.details.button_details.text = strdup("Toggle Details");
nagbar.details.button_details.type = NAGBAR_ACTION_EXPAND;
char *config_path = NULL;
bool debug = false;
int launch_status = parse_options(argc, argv, NULL, NULL,
&config_path, &debug);
if (launch_status != 0) {
exit_code = launch_status;
goto cleanup;
}
wlr_log_init(debug ? WLR_DEBUG : WLR_ERROR, NULL);
if (!config_path) {
config_path = get_config_path();
}
if (config_path) {
wlr_log(WLR_DEBUG, "Loading config file: %s", config_path);
int config_status = load_config(config_path, &nagbar, types);
free(config_path);
if (config_status != 0) {
exit_code = config_status;
goto cleanup;
}
}
wlr_log_init(debug ? WLR_DEBUG : WLR_ERROR, NULL);
if (argc > 1) {
int result = parse_options(argc, argv, &nagbar, types, NULL, NULL);
if (result != 0) {
exit_code = result;
goto cleanup;
}
}
if (!nagbar.message) {
wlr_log(WLR_ERROR, "No message passed. Please provide --message/-m");
@ -213,16 +362,22 @@ int main(int argc, char **argv) {
goto cleanup;
}
if (!nagbar.type) {
nagbar.type = nagbar_type_get(types, "error");
}
nagbar.type = nagbar_type_clone(nagbar.type);
nagbar_types_free(types);
if (nagbar.details.message) {
list_add(nagbar.buttons, button_details);
list_add(nagbar.buttons, &nagbar.details.button_details);
} else {
free(button_details->text);
free(button_details);
free(nagbar.details.button_details.text);
}
wlr_log(WLR_DEBUG, "Output: %s", nagbar.output.name);
wlr_log(WLR_DEBUG, "Anchors: %d", nagbar.anchors);
wlr_log(WLR_DEBUG, "Type: %d", nagbar.type);
wlr_log(WLR_DEBUG, "Type: %s", nagbar.type->name);
wlr_log(WLR_DEBUG, "Message: %s", nagbar.message);
wlr_log(WLR_DEBUG, "Font: %s", nagbar.font);
wlr_log(WLR_DEBUG, "Buttons");
@ -238,8 +393,8 @@ int main(int argc, char **argv) {
return exit_code;
cleanup:
free(button_details->text);
free(button_details);
nagbar_types_free(types);
free(nagbar.details.button_details.text);
nagbar_destroy(&nagbar);
return exit_code;
}