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392 lines
11 KiB
392 lines
11 KiB
#define _POSIX_C_SOURCE 200809L
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <wordexp.h>
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#include "log.h"
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#include "list.h"
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#include "swaynag/swaynag.h"
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#include "swaynag/types.h"
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#include "util.h"
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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static char *read_from_stdin(void) {
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char *buffer = NULL;
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size_t buffer_len = 0;
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char *line = NULL;
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size_t line_size = 0;
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ssize_t nread;
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while ((nread = getline(&line, &line_size, stdin)) != -1) {
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buffer = realloc(buffer, buffer_len + nread);
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snprintf(&buffer[buffer_len], nread + 1, "%s", line);
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buffer_len += nread;
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}
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free(line);
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while (buffer && buffer[buffer_len - 1] == '\n') {
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buffer[--buffer_len] = '\0';
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}
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return buffer;
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}
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int swaynag_parse_options(int argc, char **argv, struct swaynag *swaynag,
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list_t *types, struct swaynag_type *type, char **config, bool *debug) {
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enum type_options {
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TO_COLOR_BACKGROUND = 256,
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TO_COLOR_BORDER,
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TO_COLOR_BORDER_BOTTOM,
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TO_COLOR_BUTTON,
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TO_COLOR_TEXT,
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TO_THICK_BAR_BORDER,
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TO_PADDING_MESSAGE,
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TO_THICK_DET_BORDER,
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TO_THICK_BTN_BORDER,
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TO_GAP_BTN,
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TO_GAP_BTN_DISMISS,
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TO_MARGIN_BTN_RIGHT,
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TO_PADDING_BTN,
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};
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static struct option opts[] = {
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{"button", required_argument, NULL, 'b'},
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{"button-no-terminal", required_argument, NULL, 'B'},
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{"config", required_argument, NULL, 'c'},
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{"debug", no_argument, NULL, 'd'},
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{"edge", required_argument, NULL, 'e'},
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{"font", required_argument, NULL, 'f'},
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{"help", no_argument, NULL, 'h'},
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{"detailed-message", no_argument, NULL, 'l'},
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{"detailed-button", required_argument, NULL, 'L'},
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{"message", required_argument, NULL, 'm'},
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{"output", required_argument, NULL, 'o'},
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{"dismiss-button", required_argument, NULL, 's'},
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{"type", required_argument, NULL, 't'},
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{"version", no_argument, NULL, 'v'},
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{"background", required_argument, NULL, TO_COLOR_BACKGROUND},
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{"border", required_argument, NULL, TO_COLOR_BORDER},
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{"border-bottom", required_argument, NULL, TO_COLOR_BORDER_BOTTOM},
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{"button-background", required_argument, NULL, TO_COLOR_BUTTON},
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{"text", required_argument, NULL, TO_COLOR_TEXT},
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{"border-bottom-size", required_argument, NULL, TO_THICK_BAR_BORDER},
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{"message-padding", required_argument, NULL, TO_PADDING_MESSAGE},
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{"details-border-size", required_argument, NULL, TO_THICK_DET_BORDER},
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{"button-border-size", required_argument, NULL, TO_THICK_BTN_BORDER},
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{"button-gap", required_argument, NULL, TO_GAP_BTN},
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{"button-dismiss-gap", required_argument, NULL, TO_GAP_BTN_DISMISS},
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{"button-margin-right", required_argument, NULL, TO_MARGIN_BTN_RIGHT},
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{"button-padding", required_argument, NULL, TO_PADDING_BTN},
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{0, 0, 0, 0}
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};
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const char *usage =
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"Usage: swaynag [options...]\n"
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"\n"
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" -b, --button <text> <action> Create a button with text that "
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"executes action in a terminal when pressed. Multiple buttons can "
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"be defined.\n"
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" -B, --button-no-terminal <text> <action> Like --button, but does"
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"not run the action in a terminal.\n"
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" -c, --config <path> Path to config file.\n"
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" -d, --debug Enable debugging.\n"
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" -e, --edge top|bottom Set the edge to use.\n"
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" -f, --font <font> Set the font to use.\n"
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" -h, --help Show help message and quit.\n"
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" -l, --detailed-message Read a detailed message from stdin.\n"
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" -L, --detailed-button <text> Set the text of the detail button.\n"
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" -m, --message <msg> Set the message text.\n"
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" -o, --output <output> Set the output to use.\n"
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" -s, --dismiss-button <text> Set the dismiss button text.\n"
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" -t, --type <type> Set the message type.\n"
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" -v, --version Show the version number and quit.\n"
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"\n"
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"The following appearance options can also be given:\n"
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" --background RRGGBB[AA] Background color.\n"
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" --border RRGGBB[AA] Border color.\n"
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" --border-bottom RRGGBB[AA] Bottom border color.\n"
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" --button-background RRGGBB[AA] Button background color.\n"
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" --text RRGGBB[AA] Text color.\n"
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" --border-bottom-size size Thickness of the bar border.\n"
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" --message-padding padding Padding for the message.\n"
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" --details-border-size size Thickness for the details border.\n"
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" --button-border-size size Thickness for the button border.\n"
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" --button-gap gap Size of the gap between buttons\n"
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" --button-dismiss-gap gap Size of the gap for dismiss button.\n"
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" --button-margin-right margin Margin from dismiss button to edge.\n"
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" --button-padding padding Padding for the button text.\n";
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optind = 1;
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while (1) {
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int c = getopt_long(argc, argv, "b:B:c:de:f:hlL:m:o:s:t:v", opts, NULL);
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if (c == -1) {
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break;
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}
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switch (c) {
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case 'b': // Button
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case 'B': // Button (No Terminal)
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if (swaynag) {
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if (optind >= argc) {
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fprintf(stderr, "Missing action for button %s\n", optarg);
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return EXIT_FAILURE;
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}
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struct swaynag_button *button;
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button = calloc(sizeof(struct swaynag_button), 1);
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button->text = strdup(optarg);
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button->type = SWAYNAG_ACTION_COMMAND;
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button->action = strdup(argv[optind]);
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button->terminal = c == 'b';
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list_add(swaynag->buttons, button);
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}
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optind++;
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break;
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case 'c': // Config
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if (config) {
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*config = strdup(optarg);
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}
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break;
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case 'd': // Debug
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if (debug) {
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*debug = true;
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}
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break;
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case 'e': // Edge
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if (type) {
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if (strcmp(optarg, "top") == 0) {
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type->anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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} else if (strcmp(optarg, "bottom") == 0) {
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type->anchors = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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} else {
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fprintf(stderr, "Invalid edge: %s\n", optarg);
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return EXIT_FAILURE;
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}
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}
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break;
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case 'f': // Font
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if (type) {
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free(type->font);
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type->font = strdup(optarg);
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}
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break;
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case 'l': // Detailed Message
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if (swaynag) {
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free(swaynag->details.message);
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swaynag->details.message = read_from_stdin();
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swaynag->details.button_up.text = strdup("▲");
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swaynag->details.button_down.text = strdup("▼");
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}
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break;
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case 'L': // Detailed Button Text
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if (swaynag) {
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free(swaynag->details.button_details->text);
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swaynag->details.button_details->text = strdup(optarg);
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}
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break;
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case 'm': // Message
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if (swaynag) {
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free(swaynag->message);
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swaynag->message = strdup(optarg);
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}
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break;
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case 'o': // Output
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if (type) {
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free(type->output);
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type->output = strdup(optarg);
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}
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break;
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case 's': // Dismiss Button Text
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if (swaynag) {
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struct swaynag_button *button_close;
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button_close = swaynag->buttons->items[0];
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free(button_close->text);
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button_close->text = strdup(optarg);
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}
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break;
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case 't': // Type
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if (swaynag) {
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swaynag->type = swaynag_type_get(types, optarg);
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if (!swaynag->type) {
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fprintf(stderr, "Unknown type %s\n", optarg);
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return EXIT_FAILURE;
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}
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}
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break;
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case 'v': // Version
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fprintf(stdout, "swaynag version " SWAY_VERSION "\n");
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return -1;
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case TO_COLOR_BACKGROUND: // Background color
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if (type) {
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type->background = parse_color(optarg);
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}
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break;
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case TO_COLOR_BORDER: // Border color
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if (type) {
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type->border = parse_color(optarg);
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}
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break;
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case TO_COLOR_BORDER_BOTTOM: // Bottom border color
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if (type) {
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type->border_bottom = parse_color(optarg);
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}
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break;
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case TO_COLOR_BUTTON: // Button background color
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if (type) {
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type->button_background = parse_color(optarg);
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}
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break;
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case TO_COLOR_TEXT: // Text color
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if (type) {
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type->text = parse_color(optarg);
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}
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break;
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case TO_THICK_BAR_BORDER: // Bottom border thickness
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if (type) {
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type->bar_border_thickness = strtol(optarg, NULL, 0);
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}
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break;
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case TO_PADDING_MESSAGE: // Message padding
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if (type) {
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type->message_padding = strtol(optarg, NULL, 0);
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}
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break;
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case TO_THICK_DET_BORDER: // Details border thickness
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if (type) {
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type->details_border_thickness = strtol(optarg, NULL, 0);
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}
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break;
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case TO_THICK_BTN_BORDER: // Button border thickness
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if (type) {
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type->button_border_thickness = strtol(optarg, NULL, 0);
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}
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break;
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case TO_GAP_BTN: // Gap between buttons
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if (type) {
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type->button_gap = strtol(optarg, NULL, 0);
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}
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break;
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case TO_GAP_BTN_DISMISS: // Gap between dismiss button
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if (type) {
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type->button_gap_close = strtol(optarg, NULL, 0);
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}
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break;
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case TO_MARGIN_BTN_RIGHT: // Margin on the right side of button area
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if (type) {
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type->button_margin_right = strtol(optarg, NULL, 0);
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}
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break;
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case TO_PADDING_BTN: // Padding for the button text
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if (type) {
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type->button_padding = strtol(optarg, NULL, 0);
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}
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break;
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default: // Help or unknown flag
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fprintf(c == 'h' ? stdout : stderr, "%s", usage);
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return -1;
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}
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}
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return 0;
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}
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static bool file_exists(const char *path) {
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return path && access(path, R_OK) != -1;
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}
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char *swaynag_get_config_path(void) {
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static const char *config_paths[] = {
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"$HOME/.swaynag/config",
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"$XDG_CONFIG_HOME/swaynag/config",
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SYSCONFDIR "/swaynag/config",
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};
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if (!getenv("XDG_CONFIG_HOME")) {
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char *home = getenv("HOME");
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char *config_home = malloc(strlen(home) + strlen("/.config") + 1);
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if (!config_home) {
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wlr_log(WLR_ERROR, "Unable to allocate $HOME/.config");
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} else {
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strcpy(config_home, home);
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strcat(config_home, "/.config");
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setenv("XDG_CONFIG_HOME", config_home, 1);
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wlr_log(WLR_DEBUG, "Set XDG_CONFIG_HOME to %s", config_home);
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free(config_home);
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}
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}
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wordexp_t p;
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char *path;
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for (size_t i = 0; i < sizeof(config_paths) / sizeof(char *); ++i) {
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if (wordexp(config_paths[i], &p, 0) == 0) {
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path = strdup(p.we_wordv[0]);
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wordfree(&p);
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if (file_exists(path)) {
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return path;
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}
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free(path);
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}
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}
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return NULL;
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}
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int swaynag_load_config(char *path, struct swaynag *swaynag, list_t *types) {
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FILE *config = fopen(path, "r");
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if (!config) {
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fprintf(stderr, "Failed to read config. Running without it.\n");
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return 0;
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}
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struct swaynag_type *type;
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type = calloc(1, sizeof(struct swaynag_type));
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type->name = strdup("<config>");
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list_add(types, type);
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char *line = NULL;
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size_t line_size = 0;
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ssize_t nread;
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int line_number = 0;
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int result = 0;
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while ((nread = getline(&line, &line_size, config)) != -1) {
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line_number++;
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if (!*line || line[0] == '\n' || line[0] == '#') {
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continue;
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}
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if (line[0] == '[') {
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char *close = strchr(line, ']');
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if (!close) {
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fprintf(stderr, "Closing bracket not found on line %d\n",
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line_number);
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result = 1;
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break;
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}
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char *name = calloc(1, close - line);
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strncat(name, line + 1, close - line - 1);
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type = swaynag_type_get(types, name);
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if (!type) {
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type = calloc(1, sizeof(struct swaynag_type));
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type->name = strdup(name);
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list_add(types, type);
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}
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free(name);
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} else {
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char flag[nread + 3];
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sprintf(flag, "--%s", line);
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char *argv[] = {"swaynag", flag};
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result = swaynag_parse_options(2, argv, swaynag, types, type,
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NULL, NULL);
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if (result != 0) {
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break;
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}
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}
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}
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free(line);
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fclose(config);
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return result;
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}
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