Add pointer_constraint command

1 files changed, 51 insertions, 0 deletions

diff --git a/sway/commands/pointer_constraint.c b/sway/commands/pointer_constraint.c
new file mode 100644
index 00000000..2dda0776
--- /dev/null
+++ b/sway/commands/pointer_constraint.c
@@ -0,0 +1,51 @@
+#include <string.h>
+#include <wlr/types/wlr_pointer_constraints_v1.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/input/cursor.h"
+#include "sway/input/seat.h"
+
+enum operation {
+        OP_ENABLE,
+        OP_DISABLE,
+        OP_ESCAPE,
+};
+
+// pointer_constraint [enable|disable|escape]
+struct cmd_results *cmd_pointer_constraint(int argc, char **argv) {
+        struct cmd_results *error = NULL;
+        if ((error = checkarg(argc, "pointer_constraint", EXPECTED_EQUAL_TO, 1))) {
+                return error;
+        }
+
+        enum operation op;
+        if (strcmp(argv[0], "enable") == 0) {
+                op = OP_ENABLE;
+        } else if (strcmp(argv[0], "disable") == 0) {
+                op = OP_DISABLE;
+        } else if (strcmp(argv[0], "escape") == 0) {
+                op = OP_ESCAPE;
+        } else {
+                return cmd_results_new(CMD_FAILURE, "Expected enable|disable|escape");
+        }
+
+        if (op == OP_ESCAPE && config->reading) {
+                return cmd_results_new(CMD_FAILURE, "Can only escape at runtime.");
+        }
+
+        struct sway_cursor *cursor = config->handler_context.seat->cursor;
+        struct seat_config *seat_config = seat_get_config(cursor->seat);
+        switch (op) {
+        case OP_ENABLE:
+                seat_config->allow_constrain = true;
+                break;
+        case OP_DISABLE:
+                seat_config->allow_constrain = false;
+                /* fallthrough */
+        case OP_ESCAPE:
+                sway_cursor_constrain(cursor, NULL);
+                break;
+        }
+
+        return cmd_results_new(CMD_SUCCESS, NULL);
+}