2 files changed, 100 insertions, 0 deletions
diff --git a/sway/commands/mark.c b/sway/commands/mark.c
new file mode 100644
index 00000000..782e8ab9
--- /dev/null
+++ b/sway/commands/mark.c
@@ -0,0 +1,68 @@
+#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"
+
+// mark foo                      Same as mark --replace foo
+// mark --add foo                Add this mark to view's list
+// mark --replace foo            Replace view's marks with this single one
+// mark --add --toggle foo       Toggle current mark and persist other marks
+// mark --replace --toggle foo   Toggle current mark and remove other marks
+
+struct cmd_results *cmd_mark(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "mark", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	struct sway_container *container =
+		config->handler_context.current_container;
+	if (container->type != C_VIEW) {
+		return cmd_results_new(CMD_INVALID, "mark",
+				"Only views can have marks");
+	}
+	struct sway_view *view = container->sway_view;
+
+	bool add = false, toggle = false;
+	while (argc > 0 && strncmp(*argv, "--", 2) == 0) {
+		if (strcmp(*argv, "--add") == 0) {
+			add = true;
+		} else if (strcmp(*argv, "--replace") == 0) {
+			add = false;
+		} else if (strcmp(*argv, "--toggle") == 0) {
+			toggle = true;
+		} else {
+			return cmd_results_new(CMD_INVALID, "mark",
+					"Unrecognized argument '%s'", *argv);
+		}
+		++argv;
+		--argc;
+	}
+
+	if (!argc) {
+		return cmd_results_new(CMD_INVALID, "mark",
+				"Expected '[--add|--replace] [--toggle] <identifier>'");
+	}
+
+	char *mark = join_args(argv, argc);
+	bool had_mark = view_has_mark(view, mark);
+
+	if (!add) {
+		// Replacing
+		view_clear_marks(view);
+	}
+
+	view_find_and_unmark(mark);
+
+	if (!toggle || (toggle && !had_mark)) {
+		list_add(view->marks, strdup(mark));
+	}
+
+	free(mark);
+	view_execute_criteria(view);
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
diff --git a/sway/commands/unmark.c b/sway/commands/unmark.c
new file mode 100644
index 00000000..a7d39432
--- /dev/null
+++ b/sway/commands/unmark.c
@@ -0,0 +1,32 @@
+#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"
+
+struct cmd_results *cmd_unmark(int argc, char **argv) {
+	if (argc == 0) {
+		// Remove all marks from the current container
+		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_clear_marks(container->sway_view);
+	} else {
+		// Remove a single mark from whichever container has it
+		char *mark = join_args(argv, argc);
+		if (!view_find_and_unmark(mark)) {
+			free(mark);
+			return cmd_results_new(CMD_INVALID, "unmark",
+					"No view exists with that mark");
+		}
+		free(mark);
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}