Implement input_cmd_xkb_file (#3999)

Adds a new commend "xkb_file", which constructs the internal
xkb_keymap from a xkb file rather than an RMLVO configuration.
This allows greater flexibility when specifying xkb configurations.
An xkb file can be dumped with the xkbcomp program.

1 files changed, 3 insertions, 2 deletions

diff --git a/sway/commands/input.c b/sway/commands/input.c
index 588ef2d5..2289ede5 100644
--- a/sway/commands/input.c
+++ b/sway/commands/input.c
@@ -28,6 +28,7 @@ static struct cmd_handler input_handlers[] = {
         { "scroll_method", input_cmd_scroll_method },
         { "tap", input_cmd_tap },
         { "tap_button_map", input_cmd_tap_button_map },
+        { "xkb_file", input_cmd_xkb_file },
         { "xkb_layout", input_cmd_xkb_layout },
         { "xkb_model", input_cmd_xkb_model },
         { "xkb_options", input_cmd_xkb_options },
@@ -48,8 +49,8 @@ static struct cmd_handler input_config_handlers[] = {
 static void retranslate_keysyms(struct input_config *input_config) {
         for (int i = 0; i < config->input_configs->length; ++i) {
                 struct input_config *ic = config->input_configs->items[i];
-                if (ic->xkb_layout) {
-                        // this is the first config with xkb_layout
+                if (ic->xkb_layout || ic->xkb_file) {
+                        // this is the first config with xkb_layout or xkb_file
                         if (ic->identifier == input_config->identifier) {
                                 translate_keysyms(ic);
                         }