input_cmd_xkb_file: allow shell path expansion

This allows for shell path expansion for input_cmd_xkb_file. The logic
has been extracted from output_cmd_background

1 files changed, 22 insertions, 0 deletions

diff --git a/sway/commands/input/xkb_file.c b/sway/commands/input/xkb_file.c
index ef59bffc..493f94fb 100644
--- a/sway/commands/input/xkb_file.c
+++ b/sway/commands/input/xkb_file.c
@@ -1,7 +1,10 @@
 #define _POSIX_C_SOURCE 200809L
+#include <unistd.h>
+#include <errno.h>
 #include "sway/config.h"
 #include "sway/commands.h"
 #include "log.h"
+#include "stringop.h"
 
 struct cmd_results *input_cmd_xkb_file(int argc, char **argv) {
         struct cmd_results *error = NULL;
@@ -18,6 +21,25 @@ struct cmd_results *input_cmd_xkb_file(int argc, char **argv) {
                 ic->xkb_file = NULL;
         } else {
                 ic->xkb_file = strdup(argv[0]);
+                if (!expand_path(&ic->xkb_file)) {
+                        error = cmd_results_new(CMD_INVALID, "Invalid syntax (%s)",
+                                        ic->xkb_file);
+                        free(ic->xkb_file);
+                        ic->xkb_file = NULL;
+                        return error;
+                }
+                if (!ic->xkb_file) {
+                        sway_log(SWAY_ERROR, "Failed to allocate expanded path");
+                        return cmd_results_new(CMD_FAILURE, "Unable to allocate resource");
+                }
+
+                bool can_access = access(ic->xkb_file, F_OK) != -1;
+                if (!can_access) {
+                        sway_log_errno(SWAY_ERROR, "Unable to access xkb file '%s'",
+                                        ic->xkb_file);
+                        config_add_swaynag_warning("Unable to access xkb file '%s'",
+                                        ic->xkb_file);
+                }
         }
         ic->xkb_file_is_set = true;