Implement input map_to_region command

2 files changed, 57 insertions, 0 deletions

diff --git a/sway/commands/input.c b/sway/commands/input.c
index 2289ede5..a11ad79a 100644
--- a/sway/commands/input.c
+++ b/sway/commands/input.c
@@ -18,6 +18,7 @@ static struct cmd_handler input_handlers[] = {
 	{ "left_handed", input_cmd_left_handed },
 	{ "map_from_region", input_cmd_map_from_region },
 	{ "map_to_output", input_cmd_map_to_output },
+	{ "map_to_region", input_cmd_map_to_region },
 	{ "middle_emulation", input_cmd_middle_emulation },
 	{ "natural_scroll", input_cmd_natural_scroll },
 	{ "pointer_accel", input_cmd_pointer_accel },
diff --git a/sway/commands/input/map_to_region.c b/sway/commands/input/map_to_region.c
new file mode 100644
index 00000000..e0b69ed5
--- /dev/null
+++ b/sway/commands/input/map_to_region.c
@@ -0,0 +1,56 @@
+#define _POSIX_C_SOURCE 200809L
+#include <stdlib.h>
+#include <string.h>
+#include <wlr/types/wlr_box.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+
+struct cmd_results *input_cmd_map_to_region(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "map_to_region", EXPECTED_EQUAL_TO, 4))) {
+		return error;
+	}
+	struct input_config *ic = config->handler_context.input_config;
+	if (!ic) {
+		return cmd_results_new(CMD_FAILURE, "No input device defined");
+	}
+
+	// This is used to clear the current output mapping.
+	ic->mapped_to_output = strdup("");
+
+	ic->mapped_to_region = calloc(1, sizeof(struct wlr_box));
+
+	const char *errstr;
+	char *end;
+
+	ic->mapped_to_region->x = strtol(argv[0], &end, 10);
+	if (end[0] != '\0') {
+		errstr = "Invalid X coordinate";
+		goto error;
+	}
+
+	ic->mapped_to_region->y = strtol(argv[1], &end, 10);
+	if (end[0] != '\0') {
+		errstr = "Invalid Y coordinate";
+		goto error;
+	}
+
+	ic->mapped_to_region->width = strtol(argv[2], &end, 10);
+	if (end[0] != '\0' || ic->mapped_to_region->width < 1) {
+		errstr = "Invalid width";
+		goto error;
+	}
+
+	ic->mapped_to_region->height = strtol(argv[3], &end, 10);
+	if (end[0] != '\0' || ic->mapped_to_region->height < 1) {
+		errstr = "Invalid height";
+		goto error;
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL);
+
+error:
+	free(ic->mapped_to_region);
+	ic->mapped_to_region = NULL;
+	return cmd_results_new(CMD_FAILURE, errstr);
+}