Implement cursor event simulation with sway commands.

1 files changed, 83 insertions, 0 deletions

diff --git a/sway/commands/seat/cursor.c b/sway/commands/seat/cursor.c
new file mode 100644
index 00000000..2f2aa5ca
--- /dev/null
+++ b/sway/commands/seat/cursor.c
@@ -0,0 +1,83 @@
+#define _XOPEN_SOURCE 700
+#ifdef __linux__
+#include <linux/input-event-codes.h>
+#elif __FreeBSD__
+#include <dev/evdev/input-event-codes.h>
+#endif
+
+#include <strings.h>
+#include <wlr/types/wlr_cursor.h>
+#include "sway/commands.h"
+#include "sway/input/cursor.h"
+
+static struct cmd_results *press_or_release(struct sway_cursor *cursor, char *action, char *button_str);
+
+static const char *expected_syntax = "Expected 'cursor <move> <x> <y>' or "
+					"'cursor <set> <x> <y>' or "
+					"'curor <press|release> <left|right|1|2|3...>'";
+
+struct cmd_results *seat_cmd_cursor(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "cursor", EXPECTED_AT_LEAST, 2))) {
+		return error;
+	}
+	struct sway_seat *seat = config->handler_context.seat;
+	if (!seat) {
+		return cmd_results_new(CMD_FAILURE, "cursor", "No seat defined");
+	}
+
+	struct sway_cursor *cursor = seat->cursor;
+
+	if (strcasecmp(argv[0], "move") == 0) {
+		if (argc < 3) {
+			return cmd_results_new(CMD_INVALID, "cursor", expected_syntax);
+		}
+		int delta_x = strtol(argv[1], NULL, 10);
+		int delta_y = strtol(argv[2], NULL, 10);
+		wlr_cursor_move(cursor->cursor, NULL, delta_x, delta_y);
+		cursor_send_pointer_motion(cursor, 1);
+	} else if (strcasecmp(argv[0], "set") == 0) {
+		if (argc < 3) {
+			return cmd_results_new(CMD_INVALID, "cursor", expected_syntax);
+		}
+		// map absolute coords (0..1,0..1) to root container coords
+		float x = strtof(argv[1], NULL) / root_container.width;
+		float y = strtof(argv[2], NULL) / root_container.height;
+		wlr_cursor_warp_absolute(cursor->cursor, NULL, x, y);
+		cursor_send_pointer_motion(cursor, 0);
+	} else {
+		if (argc < 2) {
+			return cmd_results_new(CMD_INVALID, "cursor", expected_syntax);
+		}
+		if ((error = press_or_release(cursor, argv[0], argv[1]))) {
+			return error;
+		}
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+static struct cmd_results *press_or_release(struct sway_cursor *cursor, char *action, char *button_str) {
+	enum wlr_button_state state;
+	uint32_t button;
+	if (strcasecmp(action, "press") == 0) {
+		state = WLR_BUTTON_PRESSED;
+	} else if (strcasecmp(action, "release") == 0) {
+		state = WLR_BUTTON_RELEASED;
+	} else {
+		return cmd_results_new(CMD_INVALID, "cursor", expected_syntax);
+	}
+
+	if (strcasecmp(button_str, "left") == 0) {
+		button = BTN_LEFT;
+	} else if (strcasecmp(button_str, "right") == 0) {
+		button = BTN_RIGHT;
+	} else {
+		button = strtol(button_str, NULL, 10);
+		if (button == 0) {
+			return cmd_results_new(CMD_INVALID, "cursor", expected_syntax);
+		}
+	}
+	dispatch_cursor_button(cursor, 1, button, state);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}