initial commit

main.c

@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ * Copyright (c) 2024, Richard Acayan. All rights reserved.
+ */
+
+#include <fcntl.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "graphics.h"
+#include "input.h"
+#include "layout.h"
+#include "keymap.h"
+#include "parser.h"
+#include "ufkbd.h"
+
+extern struct ufkbd_input_driver ufkbd_input_wayland;
+extern struct ufkbd_driver ufkbd_wayland;
+
+static struct ufkbd_ctx *ufkbd = NULL;
+
+void ufkbd_terminate(struct ufkbd_ctx *ctx)
+{
+	if (ctx != NULL)
+		ctx->terminate = true;
+}
+
+static void sighandler(int sig)
+{
+	ufkbd_terminate(ufkbd);
+}
+
+static int parse_layout(struct ufkbd_keymap *keymap, struct ufkbd_layout *layout)
+{
+	int ret, fd;
+
+	fd = open("/usr/share/unfettered-keyboard/layouts", O_DIRECTORY | O_RDONLY);
+	if (fd == -1) {
+		perror("layout: failed to open /usr/share/unfettered-keyboard/layouts");
+		return 1;
+	}
+
+	ret = ufkbd_parser_parse(fd, "latn_qwerty_us.xml", keymap, layout);
+	if (ret) {
+		fprintf(stderr, "layout: failed to parse layout: %s\n",
+			strerror(-ret));
+		return 1;
+	}
+
+	close(fd);
+
+	return 0;
+}
+
+int main(void)
+{
+	struct ufkbd_ctx *ctx;
+	size_t i;
+	int ret;
+
+	signal(SIGINT, sighandler);
+	signal(SIGTERM, sighandler);
+
+	ctx = calloc(1, sizeof(*ctx));
+	if (ctx == NULL)
+		return 1;
+
+	ufkbd = ctx;
+
+	ctx->keymap = ufkbd_keymap_init();
+	if (ctx->keymap == NULL)
+		return 1;
+
+	ctx->layout = ufkbd_layout_init();
+	if (ctx->layout == NULL)
+		return 1;
+
+	ret = parse_layout(ctx->keymap, ctx->layout);
+	if (ret)
+		return ret;
+
+	ufkbd_keymap_end(ctx->keymap);
+
+	ctx->graphics = ufkbd_graphics_init();
+	if (ctx->graphics == NULL)
+		return 1;
+
+	ctx->drv = &ufkbd_wayland;
+	ctx->drv_data = ctx->drv->init(ctx);
+	if (ctx->drv_data == NULL)
+		return 1;
+
+	ctx->repeat_delay_ns = 600000000;
+	ctx->repeat_interval_ns = 25000000;
+	ctx->dist_squared = 1000;
+
+	for (i = 0; i < UFKBD_PRESS_MAX; i++)
+		ctx->presses[i].key = NULL;
+
+	while (!ctx->terminate) {
+		if (ctx->n_presses) {
+			ctx->drv->listen_step(ctx->drv_data, 25);
+			ufkbd_input_repeat_held(ctx);
+		} else {
+			ctx->drv->listen_step(ctx->drv_data, -1);
+		}
+	}
+
+	ctx->drv->uninit(ctx->drv_data);
+
+	ufkbd_graphics_uninit(ctx->graphics);
+	ufkbd_layout_uninit(ctx->layout);
+	ufkbd_keymap_uninit(ctx->keymap);
+
+	free(ctx);
+}