feat(wayland): improve pointer and touch responsiveness (#10017)

src/drivers/wayland/lv_wayland_keyboard.c

@@ -43,6 +43,10 @@ static void keyboard_handle_modifiers(void * data, struct wl_keyboard * keyboard
 static void keyboard_handle_key(void * data, struct wl_keyboard * keyboard, uint32_t serial, uint32_t time,
                                 uint32_t key, uint32_t state);
 
+#ifdef WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION
+    static void keyboard_handle_repeat_info(void * data, struct wl_keyboard * wl_keyboard, int32_t rate, int32_t delay);
+#endif
+
 static lv_key_t keycode_xkb_to_lv(xkb_keysym_t xkb_key);
 
 /**********************
@@ -52,11 +56,14 @@ static lv_key_t keycode_xkb_to_lv(xkb_keysym_t xkb_key);
 static struct xkb_context * xkb_context;
 
 static const struct wl_keyboard_listener keyboard_listener = {
-    .keymap    = keyboard_handle_keymap,
+    .keymap      = keyboard_handle_keymap,
-    .enter     = keyboard_handle_enter,
+    .enter       = keyboard_handle_enter,
-    .leave     = keyboard_handle_leave,
+    .leave       = keyboard_handle_leave,
-    .key       = keyboard_handle_key,
+    .key         = keyboard_handle_key,
-    .modifiers = keyboard_handle_modifiers,
+    .modifiers   = keyboard_handle_modifiers,
+#ifdef WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION
+    .repeat_info = keyboard_handle_repeat_info,
+#endif
 };
 
 /**********************
@@ -248,6 +255,17 @@ static void keyboard_handle_modifiers(void * data, struct wl_keyboard * keyboard
 
     xkb_state_update_mask(kbdata->xkb_state, mods_depressed, mods_latched, mods_locked, 0, 0, group);
 }
+
+#ifdef WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION
+static void keyboard_handle_repeat_info(void * data, struct wl_keyboard * wl_keyboard, int32_t rate, int32_t delay)
+{
+    LV_UNUSED(data);
+    LV_UNUSED(wl_keyboard);
+    LV_UNUSED(rate);
+    LV_UNUSED(delay);
+}
+#endif
+
 static lv_key_t keycode_xkb_to_lv(xkb_keysym_t xkb_key)
 {
 

src/drivers/wayland/lv_wayland_pointer.c

@@ -49,6 +49,10 @@ static void pointer_handle_button(void * data, struct wl_pointer * wl_pointer, u
 static void pointer_handle_axis(void * data, struct wl_pointer * wl_pointer, uint32_t time, uint32_t axis,
                                 wl_fixed_t value);
 
+#ifdef WL_POINTER_FRAME_SINCE_VERSION
+    static void pointer_handle_frame(void * data, struct wl_pointer * pointer);
+#endif
+
 /**********************
  *  STATIC VARIABLES
  **********************/
@@ -61,6 +65,9 @@ static const struct wl_pointer_listener pointer_listener = {
     .motion = pointer_handle_motion,
     .button = pointer_handle_button,
     .axis   = pointer_handle_axis,
+#ifdef WL_POINTER_FRAME_SINCE_VERSION
+    .frame  = pointer_handle_frame,
+#endif
 };
 
 /**********************
@@ -258,4 +265,14 @@ static void pointer_handle_axis(void * data, struct wl_pointer * pointer, uint32
     seat_pointer->wheel_diff += diff;
 }
 
+#ifdef WL_POINTER_FRAME_SINCE_VERSION
+static void pointer_handle_frame(void * data, struct wl_pointer * pointer)
+{
+    LV_UNUSED(data);
+    LV_UNUSED(pointer);
+    lv_wayland_indevs_ready(pointer_read);
+    lv_wayland_indevs_ready(pointeraxis_read);
+}
+#endif
+
 #endif /* LV_USE_WAYLAND */

src/drivers/wayland/lv_wayland_private.h

@@ -209,6 +209,8 @@ void lv_wayland_seat_keyboard_delete(lv_wl_seat_keyboard_t * seat_keyboard);
 /* Updates indev's driver data with the given 'read_cb' to 'new_driver_data' */
 void lv_wayland_update_indevs(lv_indev_read_cb_t read_cb, void * new_driver_data);
 
+void lv_wayland_indevs_ready(lv_indev_read_cb_t read_cb);
+
 #endif /* LV_USE_WAYLAND */
 
 #ifdef __cplusplus

src/drivers/wayland/lv_wayland_seat.c

@@ -17,6 +17,8 @@
  *      DEFINES
  *********************/
 
+#define SEAT_VERSION (5)
+
 /**********************
  *      TYPEDEFS
  **********************/
@@ -27,6 +29,10 @@
 
 static void seat_handle_capabilities(void * data, struct wl_seat * wl_seat, enum wl_seat_capability caps);
 
+#ifdef WL_SEAT_NAME_SINCE_VERSION
+    static void seat_handle_name(void * data, struct wl_seat * wl_seat, char const * name);
+#endif
+
 static lv_wl_seat_pointer_t * create_pointer(struct wl_seat * wl_seat);
 static void delete_pointer(lv_wl_seat_pointer_t * seat_pointer);
 
@@ -36,6 +42,9 @@ static void delete_pointer(lv_wl_seat_pointer_t * seat_pointer);
 
 static const struct wl_seat_listener seat_listener = {
     .capabilities = seat_handle_capabilities,
+#ifdef WL_SEAT_NAME_SINCE_VERSION
+    .name = seat_handle_name,
+#endif
 };
 
 /**********************
@@ -54,7 +63,7 @@ void lv_wayland_seat_init(lv_wl_seat_t * seat, struct wl_registry * registry, ui
 {
     LV_ASSERT_NULL(seat);
     LV_UNUSED(version);
-    seat->wl_seat = wl_registry_bind(registry, name, &wl_seat_interface, 1);
+    seat->wl_seat = wl_registry_bind(registry, name, &wl_seat_interface, (version < SEAT_VERSION) ? version : SEAT_VERSION);
     wl_seat_add_listener(seat->wl_seat, &seat_listener, seat);
 }
 
@@ -86,6 +95,17 @@ void lv_wayland_update_indevs(lv_indev_read_cb_t read_cb, void * new_driver_data
     }
 }
 
+void lv_wayland_indevs_ready(lv_indev_read_cb_t read_cb)
+{
+    lv_indev_t * indev = NULL;
+    while((indev = lv_indev_get_next(indev))) {
+        if(lv_indev_get_read_cb(indev) != read_cb) {
+            continue;
+        }
+        lv_timer_t * timer = lv_indev_get_read_timer(indev);
+        lv_timer_ready(timer);
+    }
+}
 
 /**********************
  *   STATIC FUNCTIONS
@@ -142,4 +162,13 @@ static void seat_handle_capabilities(void * data, struct wl_seat * wl_seat, enum
     }
 }
 
+#ifdef WL_SEAT_NAME_SINCE_VERSION
+static void seat_handle_name(void * data, struct wl_seat * wl_seat, char const * name)
+{
+    LV_UNUSED(data);
+    LV_UNUSED(wl_seat);
+    LV_UNUSED(name);
+}
+#endif
+
 #endif /* LV_USE_WAYLAND */

src/drivers/wayland/lv_wayland_touch.c

@@ -250,6 +250,7 @@ static void touch_handle_frame(void * data, struct wl_touch * wl_touch)
 {
     LV_UNUSED(wl_touch);
     LV_UNUSED(data);
+    lv_wayland_indevs_ready(touch_read);
 }
 
 static void touch_handle_cancel(void * data, struct wl_touch * wl_touch)