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Diffstat (limited to 'swaynag/config.c')
| -rw-r--r-- | swaynag/config.c | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/swaynag/config.c b/swaynag/config.c new file mode 100644 index 00000000..d6c5739d --- /dev/null +++ b/swaynag/config.c @@ -0,0 +1,401 @@ +#define _XOPEN_SOURCE 700 +#define _POSIX_C_SOURCE 200112L +#include <getopt.h> +#include <stdlib.h> +#include <wordexp.h> +#include "log.h" +#include "list.h" +#include "readline.h" +#include "swaynag/swaynag.h" +#include "swaynag/types.h" +#include "util.h" +#include "wlr-layer-shell-unstable-v1-client-protocol.h" + +static char *read_from_stdin() { + char *buffer = NULL; + while (!feof(stdin)) { + char *line = read_line(stdin); + if (!line) { + continue; + } + + size_t curlen = buffer ? strlen(buffer) : 0; + buffer = realloc(buffer, curlen + strlen(line) + 2); + snprintf(buffer + curlen, strlen(line) + 2, "%s\n", line); + + free(line); + } + + while (buffer && buffer[strlen(buffer) - 1] == '\n') { + buffer[strlen(buffer) - 1] = '\0'; + } + + return buffer; +} + +int swaynag_parse_options(int argc, char **argv, struct swaynag *swaynag, + list_t *types, struct swaynag_type *type, char **config, bool *debug) { + enum type_options { + TO_COLOR_BACKGROUND = 256, + TO_COLOR_BORDER, + TO_COLOR_BORDER_BOTTOM, + TO_COLOR_BUTTON, + TO_COLOR_TEXT, + TO_THICK_BAR_BORDER, + TO_PADDING_MESSAGE, + TO_THICK_DET_BORDER, + TO_THICK_BTN_BORDER, + TO_GAP_BTN, + TO_GAP_BTN_DISMISS, + TO_MARGIN_BTN_RIGHT, + TO_PADDING_BTN, + }; + + 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'}, + {"help", no_argument, NULL, 'h'}, + {"detailed-message", no_argument, NULL, 'l'}, + {"detailed-button", required_argument, NULL, 'L'}, + {"message", required_argument, NULL, 'm'}, + {"output", required_argument, NULL, 'o'}, + {"dismiss-button", required_argument, NULL, 's'}, + {"type", required_argument, NULL, 't'}, + {"version", no_argument, NULL, 'v'}, + + {"background", required_argument, NULL, TO_COLOR_BACKGROUND}, + {"border", required_argument, NULL, TO_COLOR_BORDER}, + {"border-bottom", required_argument, NULL, TO_COLOR_BORDER_BOTTOM}, + {"button-background", required_argument, NULL, TO_COLOR_BUTTON}, + {"text", required_argument, NULL, TO_COLOR_TEXT}, + {"border-bottom-size", required_argument, NULL, TO_THICK_BAR_BORDER}, + {"message-padding", required_argument, NULL, TO_PADDING_MESSAGE}, + {"details-border-size", required_argument, NULL, TO_THICK_DET_BORDER}, + {"button-border-size", required_argument, NULL, TO_THICK_BTN_BORDER}, + {"button-gap", required_argument, NULL, TO_GAP_BTN}, + {"button-dismiss-gap", required_argument, NULL, TO_GAP_BTN_DISMISS}, + {"button-margin-right", required_argument, NULL, TO_MARGIN_BTN_RIGHT}, + {"button-padding", required_argument, NULL, TO_PADDING_BTN}, + + {0, 0, 0, 0} + }; + + const char *usage = + "Usage: swaynag [options...]\n" + "\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" + " -h, --help Show help message and quit.\n" + " -l, --detailed-message Read a detailed message from stdin.\n" + " -L, --detailed-button <text> Set the text of the detail button.\n" + " -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 <type> Set the message type.\n" + " -v, --version Show the version number and quit.\n" + "\n" + "The following appearance options can also be given:\n" + " --background RRGGBB[AA] Background color.\n" + " --border RRGGBB[AA] Border color.\n" + " --border-bottom RRGGBB[AA] Bottom border color.\n" + " --button-background RRGGBB[AA] Button background color.\n" + " --text RRGGBB[AA] Text color.\n" + " --border-bottom-size size Thickness of the bar border.\n" + " --message-padding padding Padding for the message.\n" + " --details-border-size size Thickness for the details border.\n" + " --button-border-size size Thickness for the button border.\n" + " --button-gap gap Size of the gap between buttons\n" + " --button-dismiss-gap gap Size of the gap for dismiss button.\n" + " --button-margin-right margin Margin from dismiss button to edge.\n" + " --button-padding padding Padding for the button text.\n"; + + optind = 1; + while (1) { + 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 (swaynag) { + if (optind >= argc) { + fprintf(stderr, "Missing action for button %s\n", optarg); + return EXIT_FAILURE; + } + struct swaynag_button *button; + button = calloc(sizeof(struct swaynag_button), 1); + button->text = strdup(optarg); + button->type = SWAYNAG_ACTION_COMMAND; + button->action = strdup(argv[optind]); + list_add(swaynag->buttons, button); + } + optind++; + break; + case 'c': // Config + if (config) { + *config = strdup(optarg); + } + break; + case 'd': // Debug + if (debug) { + *debug = true; + } + break; + case 'e': // Edge + if (type) { + if (strcmp(optarg, "top") == 0) { + type->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) { + type->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 + if (type) { + free(type->font); + type->font = strdup(optarg); + } + break; + case 'l': // Detailed Message + if (swaynag) { + free(swaynag->details.message); + swaynag->details.message = read_from_stdin(); + swaynag->details.button_up.text = strdup("▲"); + swaynag->details.button_down.text = strdup("▼"); + } + break; + case 'L': // Detailed Button Text + if (swaynag) { + free(swaynag->details.button_details.text); + swaynag->details.button_details.text = strdup(optarg); + } + break; + case 'm': // Message + if (swaynag) { + free(swaynag->message); + swaynag->message = strdup(optarg); + } + break; + case 'o': // Output + if (type) { + free(type->output); + type->output = strdup(optarg); + } + break; + case 's': // Dismiss Button Text + if (swaynag) { + struct swaynag_button *button_close; + button_close = swaynag->buttons->items[0]; + free(button_close->text); + button_close->text = strdup(optarg); + } + break; + case 't': // Type + if (swaynag) { + swaynag->type = swaynag_type_get(types, optarg); + if (!swaynag->type) { + fprintf(stderr, "Unknown type %s\n", optarg); + return EXIT_FAILURE; + } + } + break; + case 'v': // Version + fprintf(stdout, "swaynag version " SWAY_VERSION "\n"); + return -1; + case TO_COLOR_BACKGROUND: // Background color + if (type) { + type->background = parse_color(optarg); + } + break; + case TO_COLOR_BORDER: // Border color + if (type) { + type->border = parse_color(optarg); + } + break; + case TO_COLOR_BORDER_BOTTOM: // Bottom border color + if (type) { + type->border_bottom = parse_color(optarg); + } + break; + case TO_COLOR_BUTTON: // Button background color + if (type) { + type->button_background = parse_color(optarg); + } + break; + case TO_COLOR_TEXT: // Text color + if (type) { + type->text = parse_color(optarg); + } + break; + case TO_THICK_BAR_BORDER: // Bottom border thickness + if (type) { + type->bar_border_thickness = strtol(optarg, NULL, 0); + } + break; + case TO_PADDING_MESSAGE: // Message padding + if (type) { + type->message_padding = strtol(optarg, NULL, 0); + } + break; + case TO_THICK_DET_BORDER: // Details border thickness + if (type) { + type->details_border_thickness = strtol(optarg, NULL, 0); + } + break; + case TO_THICK_BTN_BORDER: // Button border thickness + if (type) { + type->button_border_thickness = strtol(optarg, NULL, 0); + } + break; + case TO_GAP_BTN: // Gap between buttons + if (type) { + type->button_gap = strtol(optarg, NULL, 0); + } + break; + case TO_GAP_BTN_DISMISS: // Gap between dismiss button + if (type) { + type->button_gap_close = strtol(optarg, NULL, 0); + } + break; + case TO_MARGIN_BTN_RIGHT: // Margin on the right side of button area + if (type) { + type->button_margin_right = strtol(optarg, NULL, 0); + } + break; + case TO_PADDING_BTN: // Padding for the button text + if (type) { + type->button_padding = strtol(optarg, NULL, 0); + } + break; + default: // Help or unknown flag + fprintf(c == 'h' ? stdout : stderr, "%s", usage); + return -1; + } + } + + return 0; +} + +static bool file_exists(const char *path) { + return path && access(path, R_OK) != -1; +} + +char *swaynag_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; +} + +int swaynag_load_config(char *path, struct swaynag *swaynag, list_t *types) { + FILE *config = fopen(path, "r"); + if (!config) { + fprintf(stderr, "Failed to read config. Running without it.\n"); + return 0; + } + + struct swaynag_type *type; + type = calloc(1, sizeof(struct swaynag_type)); + type->name = strdup("<config>"); + list_add(types, type); + + 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 = swaynag_type_get(types, name); + if (!type) { + type = calloc(1, sizeof(struct swaynag_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; + result = swaynag_parse_options(2, argv, swaynag, types, type, + NULL, NULL); + if (result != 0) { + free(line); + fclose(config); + return result; + } + } + + free(line); + } + fclose(config); + return 0; +} + |