1 files changed, 59 insertions, 0 deletions
diff --git a/sway/commands/unmark.c b/sway/commands/unmark.c
new file mode 100644
index 00000000..ea2a5709
--- /dev/null
+++ b/sway/commands/unmark.c
@@ -0,0 +1,59 @@
+#define _POSIX_C_SOURCE 200809L
+#include <string.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/tree/view.h"
+#include "list.h"
+#include "log.h"
+#include "stringop.h"
+
+static void remove_all_marks_iterator(struct sway_container *con, void *data) {
+	if (con->type == C_VIEW) {
+		view_clear_marks(con->sway_view);
+	}
+}
+
+// unmark                  Remove all marks from all views
+// unmark foo              Remove single mark from whichever view has it
+// [criteria] unmark       Remove all marks from matched view
+// [criteria] unmark foo   Remove single mark from matched view
+
+struct cmd_results *cmd_unmark(int argc, char **argv) {
+	// Determine the view
+	struct sway_view *view = NULL;
+	if (config->handler_context.using_criteria) {
+		struct sway_container *container =
+			config->handler_context.current_container;
+		if (container->type != C_VIEW) {
+			return cmd_results_new(CMD_INVALID, "unmark",
+					"Only views can have marks");
+		}
+		view = container->sway_view;
+	}
+
+	// Determine the mark
+	char *mark = NULL;
+	if (argc > 0) {
+		mark = join_args(argv, argc);
+	}
+
+	if (view && mark) {
+		// Remove the mark from the given view
+		if (view_has_mark(view, mark)) {
+			view_find_and_unmark(mark);
+		}
+	} else if (view && !mark) {
+		// Clear all marks from the given view
+		view_clear_marks(view);
+	} else if (!view && mark) {
+		// Remove mark from whichever view has it
+		view_find_and_unmark(mark);
+	} else {
+		// Remove all marks from all views
+		container_for_each_descendant_dfs(&root_container,
+				remove_all_marks_iterator, NULL);
+	}
+	free(mark);
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}