Implement cursor event simulation with sway commands.

5 files changed, 88 insertions, 1 deletions

diff --git a/sway/commands.c b/sway/commands.c
index 55929659..54d84450 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -203,6 +203,7 @@ static struct cmd_handler input_handlers[] = {
 // must be in order for the bsearch
 static struct cmd_handler seat_handlers[] = {
         { "attach", seat_cmd_attach },
+        { "cursor", seat_cmd_cursor },
         { "fallback", seat_cmd_fallback },
 };
 
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..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);
+}
diff --git a/sway/input/cursor.c b/sway/input/cursor.c
index 0df01504..15a61cbf 100644
--- a/sway/input/cursor.c
+++ b/sway/input/cursor.c
@@ -166,7 +166,7 @@ static void handle_cursor_motion_absolute(
         cursor_send_pointer_motion(cursor, event->time_msec);
 }
 
-static void dispatch_cursor_button(struct sway_cursor *cursor,
+void dispatch_cursor_button(struct sway_cursor *cursor,
                 uint32_t time_msec, uint32_t button, enum wlr_button_state state) {
         struct wlr_surface *surface = NULL;
         double sx, sy;
diff --git a/sway/meson.build b/sway/meson.build
index d0730296..9e55e335 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -47,6 +47,7 @@ sway_sources = files(
         'commands/resize.c',
         'commands/seat.c',
         'commands/seat/attach.c',
+        'commands/seat/cursor.c',
         'commands/seat/fallback.c',
         'commands/set.c',
         'commands/split.c',