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);
+}