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Diffstat (limited to 'backend/libinput/keyboard.c')
-rw-r--r--backend/libinput/keyboard.c37
1 files changed, 23 insertions, 14 deletions
diff --git a/backend/libinput/keyboard.c b/backend/libinput/keyboard.c
index d0059e06..93605e77 100644
--- a/backend/libinput/keyboard.c
+++ b/backend/libinput/keyboard.c
@@ -12,35 +12,43 @@ struct wlr_libinput_keyboard {
struct libinput_device *libinput_dev;
};
+static const struct wlr_keyboard_impl impl;
+
+static struct wlr_libinput_keyboard *get_libinput_keyboard_from_keyboard(
+ struct wlr_keyboard *wlr_kb) {
+ assert(wlr_kb->impl == &impl);
+ return (struct wlr_libinput_keyboard *)wlr_kb;
+}
+
static void keyboard_set_leds(struct wlr_keyboard *wlr_kb, uint32_t leds) {
- struct wlr_libinput_keyboard *wlr_libinput_kb =
- (struct wlr_libinput_keyboard *)wlr_kb;
- libinput_device_led_update(wlr_libinput_kb->libinput_dev, leds);
+ struct wlr_libinput_keyboard *kb =
+ get_libinput_keyboard_from_keyboard(wlr_kb);
+ libinput_device_led_update(kb->libinput_dev, leds);
}
static void keyboard_destroy(struct wlr_keyboard *wlr_kb) {
- struct wlr_libinput_keyboard *wlr_libinput_kb =
- (struct wlr_libinput_keyboard *)wlr_kb;
- libinput_device_unref(wlr_libinput_kb->libinput_dev);
- free(wlr_libinput_kb);
+ struct wlr_libinput_keyboard *kb =
+ get_libinput_keyboard_from_keyboard(wlr_kb);
+ libinput_device_unref(kb->libinput_dev);
+ free(kb);
}
-struct wlr_keyboard_impl impl = {
+static const struct wlr_keyboard_impl impl = {
.destroy = keyboard_destroy,
.led_update = keyboard_set_leds
};
struct wlr_keyboard *create_libinput_keyboard(
struct libinput_device *libinput_dev) {
- assert(libinput_dev);
- struct wlr_libinput_keyboard *wlr_libinput_kb;
- if (!(wlr_libinput_kb= calloc(1, sizeof(struct wlr_libinput_keyboard)))) {
+ struct wlr_libinput_keyboard *kb =
+ calloc(1, sizeof(struct wlr_libinput_keyboard));
+ if (kb == NULL) {
return NULL;
}
- wlr_libinput_kb->libinput_dev = libinput_dev;
+ kb->libinput_dev = libinput_dev;
libinput_device_ref(libinput_dev);
libinput_device_led_update(libinput_dev, 0);
- struct wlr_keyboard *wlr_kb = &wlr_libinput_kb->wlr_keyboard;
+ struct wlr_keyboard *wlr_kb = &kb->wlr_keyboard;
wlr_keyboard_init(wlr_kb, &impl);
return wlr_kb;
}
@@ -50,7 +58,8 @@ void handle_keyboard_key(struct libinput_event *event,
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_KEYBOARD, libinput_dev);
if (!wlr_dev) {
- wlr_log(WLR_DEBUG, "Got a keyboard event for a device with no keyboards?");
+ wlr_log(WLR_DEBUG,
+ "Got a keyboard event for a device with no keyboards?");
return;
}
struct libinput_event_keyboard *kbevent =