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/* main.c - argument handling and wire-up. */
#include "config.h"
#include "core.h"
#include "platform.h"
#include <stdio.h>
#include <string.h>
/* Canonical version lives in the Makefile (VERSION), injected via -D; a
* release build stamps the git tag in that way. */
#ifndef MOUSEBOARD_VERSION
#define MOUSEBOARD_VERSION "0-dev"
#endif
static const char usage[] =
"usage: mouseboard [options]\n"
"\n"
"Draw a labelled grid, type a label to pick a cell, refine by\n"
"bisection (u/i/j/k), then click (m=left , =middle .=right ;=double\n"
"v=drag). Esc cancels, Backspace undoes.\n"
"\n"
" --config PATH config file (default $XDG_CONFIG_HOME/mouseboard/config)\n"
" --cell-size N target coarse-cell size in pixels\n"
" --cols N --rows N explicit grid instead of cell-size\n"
" --alphabet STR label characters\n"
" --opacity N backdrop opacity 0..100 (100 = solid)\n"
" --opacity-fg N label/grid/crosshair opacity 0..100\n"
" --dry-run print 'x y action' instead of clicking\n"
" --selftest run offline logic checks and exit\n"
" -h, --help this help\n"
" -V, --version version\n";
/* Flags taking a value; each one sets a config key. */
static const struct { const char *flag, *key; } opts[] = {
{ "--cell-size", "cell_size" },
{ "--cols", "cols" },
{ "--rows", "rows" },
{ "--alphabet", "alphabet" },
{ "--opacity", "opacity_bg" },
{ "--opacity-fg", "opacity_fg" },
};
int main(int argc, char **argv)
{
platform_early_init();
struct config cfg;
config_defaults(&cfg);
const char *cfgpath = NULL; /* set only by --config */
int dry = 0;
/* Pass 1: handle exit-early flags and locate the config path. */
for (int i = 1; i < argc; i++) {
const char *a = argv[i];
if (!strcmp(a, "-h") || !strcmp(a, "--help")) {
fputs(usage, stdout);
return 0;
}
if (!strcmp(a, "-V") || !strcmp(a, "--version")) {
printf("mouseboard %s\n", MOUSEBOARD_VERSION);
return 0;
}
if (!strcmp(a, "--selftest"))
return core_selftest();
if (!strcmp(a, "--config")) {
if (++i >= argc) {
fprintf(stderr,
"mouseboard: %s needs an argument\n", a);
return 2;
}
cfgpath = argv[i];
}
}
/* Load the file (CLI flags below override it). */
int lr = config_load_file(&cfg,
cfgpath ? cfgpath : config_default_path());
if (lr == -1 && cfgpath) {
fprintf(stderr, "mouseboard: %s: not found\n", cfgpath);
return 2;
}
if (lr == -2)
return 2;
/* Pass 2: apply CLI overrides. */
for (int i = 1; i < argc; i++) {
const char *a = argv[i];
if (!strcmp(a, "--config")) {
i++;
continue;
}
if (!strcmp(a, "--dry-run")) {
dry = 1;
continue;
}
const char *key = NULL;
for (size_t o = 0; o < sizeof opts / sizeof opts[0]; o++)
if (!strcmp(a, opts[o].flag))
key = opts[o].key;
if (!key) {
fprintf(stderr, "mouseboard: unknown option %s\n", a);
fputs(usage, stderr);
return 2;
}
if (++i >= argc) {
fprintf(stderr, "mouseboard: %s needs an argument\n", a);
return 2;
}
if (config_set(&cfg, key, argv[i])) {
fprintf(stderr, "mouseboard: %s: bad value '%s'\n", a,
argv[i]);
return 2;
}
}
const char *invalid = config_validate(&cfg);
if (invalid) {
fprintf(stderr, "mouseboard: invalid configuration: %s\n", invalid);
return 2;
}
config_apply_opacity(&cfg);
struct platform *p = platform_init();
if (!p)
return 2;
int rc = core_run(p, &cfg, dry);
p->teardown(p);
return rc;
}
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