ipc: add an input event

This adds an ipc event related to input devices. Currently the
following changes are supported:
- added: when an input device becomes available
- removed: when an input device is no longer available
- xkb_keymap_changed: (keyboards only) the keymap changed
- xkb_layout_changed: (keyboards only) the effective layout changed

1 files changed, 5 insertions, 0 deletions

diff --git a/sway/input/input-manager.c b/sway/input/input-manager.c
index 4fd980c4..dd84a0b3 100644
--- a/sway/input/input-manager.c
+++ b/sway/input/input-manager.c
@@ -12,6 +12,7 @@
 #include "sway/config.h"
 #include "sway/input/input-manager.h"
 #include "sway/input/seat.h"
+#include "sway/ipc-server.h"
 #include "sway/server.h"
 #include "stringop.h"
 #include "list.h"
@@ -584,6 +585,8 @@ static void handle_device_destroy(struct wl_listener *listener, void *data) {
                 seat_remove_device(seat, input_device);
         }
 
+        ipc_event_input("removed", input_device);
+
         wl_list_remove(&input_device->link);
         wl_list_remove(&input_device->device_destroy.link);
         free(input_device->identifier);
@@ -656,6 +659,8 @@ static void handle_new_input(struct wl_listener *listener, void *data) {
                         "device '%s' is not configured on any seats",
                         input_device->identifier);
         }
+
+        ipc_event_input("added", input_device);
 }
 
 static void handle_inhibit_activate(struct wl_listener *listener, void *data) {