Merge pull request #1793 from PyroLagus/input-simulation

Cursor input simulation with sway commands.

2 files changed, 91 insertions, 0 deletions

diff --git a/sway/commands/seat.c b/sway/commands/seat.c
index 819b769c..5916015f 100644
--- a/sway/commands/seat.c
+++ b/sway/commands/seat.c
@@ -40,6 +40,8 @@ struct cmd_results *cmd_seat(int argc, char **argv) {
 	struct cmd_results *res;
 	if (strcasecmp("attach", argv[1]) == 0) {
 		res = seat_cmd_attach(argc_new, argv_new);
+	} else if (strcasecmp("cursor", argv[1]) == 0) {
+		res = seat_cmd_cursor(argc_new, argv_new);
 	} else if (strcasecmp("fallback", argv[1]) == 0) {
 		res = seat_cmd_fallback(argc_new, argv_new);
 	} else {
diff --git a/sway/commands/seat/cursor.c b/sway/commands/seat/cursor.c
new file mode 100644
index 00000000..5dad97f1
--- /dev/null
+++ b/sway/commands/seat/cursor.c
@@ -0,0 +1,89 @@
+#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, uint32_t time);
+
+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;
+
+	struct timespec now;
+	clock_gettime(CLOCK_MONOTONIC, &now);
+	uint32_t time = now.tv_nsec / 1000;
+
+	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, time);
+	} 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, time);
+	} else {
+		if (argc < 2) {
+			return cmd_results_new(CMD_INVALID, "cursor", expected_syntax);
+		}
+		if ((error = press_or_release(cursor, argv[0], argv[1], time))) {
+			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, uint32_t time) {
+	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, time, button, state);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}