Implement modes

1 files changed, 59 insertions, 0 deletions

diff --git a/sway/commands/mode.c b/sway/commands/mode.c
new file mode 100644
index 00000000..c30a8bac
--- /dev/null
+++ b/sway/commands/mode.c
@@ -0,0 +1,59 @@
+#define _XOPEN_SOURCE 500
+#include <stdbool.h>
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/ipc-server.h"
+#include "list.h"
+#include "log.h"
+
+struct cmd_results *cmd_mode(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "mode", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+
+	const char *mode_name = argv[0];
+	bool new_mode = (argc == 2 && strcmp(argv[1], "{") == 0);
+	if (new_mode && !config->reading) {
+		return cmd_results_new(CMD_FAILURE,
+				"mode", "Can only be used in config file.");
+	}
+	struct sway_mode *mode = NULL;
+	// Find mode
+	for (int i = 0; i < config->modes->length; ++i) {
+		struct sway_mode *test = config->modes->items[i];
+		if (strcasecmp(test->name, mode_name) == 0) {
+			mode = test;
+			break;
+		}
+	}
+	// Create mode if it doesn't exist
+	if (!mode && new_mode) {
+		mode = calloc(1, sizeof(struct sway_mode));
+		if (!mode) {
+			return cmd_results_new(CMD_FAILURE,
+					"mode", "Unable to allocate mode");
+		}
+		mode->name = strdup(mode_name);
+		mode->keysym_bindings = create_list();
+		mode->keycode_bindings = create_list();
+		list_add(config->modes, mode);
+	}
+	if (!mode) {
+		error = cmd_results_new(CMD_INVALID,
+				"mode", "Unknown mode `%s'", mode_name);
+		return error;
+	}
+	if ((config->reading && new_mode) || (!config->reading && !new_mode)) {
+		wlr_log(L_DEBUG, "Switching to mode `%s'",mode->name);
+	}
+	// Set current mode
+	config->current_mode = mode;
+	if (!new_mode) {
+		// trigger IPC mode event
+		ipc_event_mode(config->current_mode->name);
+	}
+	return cmd_results_new(new_mode ? CMD_BLOCK_MODE : CMD_SUCCESS, NULL, NULL);
+}