Implement borders

Implements rendering of borders. Title text is still to do.

Implements the following configuration directives:

* client.focused
* client.focused_inactive
* client.unfocused
* client.urgent
* border
* default_border

1 files changed, 41 insertions, 0 deletions

diff --git a/sway/commands/border.c b/sway/commands/border.c
new file mode 100644
index 00000000..873abb68
--- /dev/null
+++ b/sway/commands/border.c
@@ -0,0 +1,41 @@
+#include "log.h"
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/tree/container.h"
+#include "sway/tree/view.h"
+
+struct cmd_results *cmd_border(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "border", 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, "border",
+				"Only views can have borders");
+	}
+	struct sway_view *view = container->sway_view;
+
+	if (strcmp(argv[0], "none") == 0) {
+		view->border = B_NONE;
+	} else if (strcmp(argv[0], "normal") == 0) {
+		view->border = B_NORMAL;
+	} else if (strcmp(argv[0], "pixel") == 0) {
+		view->border = B_PIXEL;
+		if (argc == 2) {
+			view->border_thickness = atoi(argv[1]);
+		}
+	} else if (strcmp(argv[0], "toggle") == 0) {
+		view->border = (view->border + 1) % 3;
+	} else {
+		return cmd_results_new(CMD_INVALID, "border",
+				"Expected 'border <none|normal|pixel|toggle>' "
+				"or 'border pixel <px>'");
+	}
+
+	view_autoconfigure(view);
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}