Add wlr_fractional_scale_manager_v1

wlroots/ffi_build.py

@@ -730,6 +730,26 @@ def has_xwayland() -> bool:
     struct wlr_foreign_toplevel_handle_v1 *parent);
 """
 
+# types/wlr_fractional_scale_v1.h
+CDEF += """
+struct wlr_fractional_scale_manager_v1 {
+	struct wl_global *global;
+
+	struct {
+		struct wl_signal destroy;
+	} events;
+
+        ...;
+};
+
+
+void wlr_fractional_scale_v1_notify_scale(
+		struct wlr_surface *surface, double scale);
+
+struct wlr_fractional_scale_manager_v1 *wlr_fractional_scale_manager_v1_create(
+		struct wl_display *display, uint32_t version);
+"""
+
 # types/wlr_gamma_control_v1.h
 CDEF += """
 struct wlr_gamma_control_manager_v1 {
@@ -2790,6 +2810,7 @@ def has_xwayland() -> bool:
 #include <wlr/types/wlr_export_dmabuf_v1.h>
 #include <wlr/types/wlr_viewporter.h>
 #include <wlr/types/wlr_foreign_toplevel_management_v1.h>
+#include <wlr/types/wlr_fractional_scale_v1.h>
 #include <wlr/types/wlr_gamma_control_v1.h>
 #include <wlr/types/wlr_idle_inhibit_v1.h>
 #include <wlr/types/wlr_idle_notify_v1.h>

wlroots/wlr_types/__init__.py

@@ -13,6 +13,7 @@
 from .data_device_manager import DataDeviceManager  # noqa: F401
 from .export_dmabuf_v1 import ExportDmabufManagerV1  # noqa: F401
 from .foreign_toplevel_management_v1 import ForeignToplevelManagerV1  # noqa: F401
+from .fractional_scale_v1 import FractionalScaleManagerV1  # noqa: F401
 from .gamma_control_v1 import GammaControlManagerV1  # noqa: F401
 from .input_device import InputDevice  # noqa: F401
 from .input_inhibit import InputInhibitManager  # noqa: F401

wlroots/wlr_types/fractional_scale_v1.py

@@ -0,0 +1,17 @@
+# Copyright (c) 2024 Jeroen Wijenbergh
+
+from pywayland.server import Display
+
+from wlroots import PtrHasData, lib
+
+from .compositor import Surface
+
+
+class FractionalScaleManagerV1(PtrHasData):
+    def __init__(self, display: Display, version: int = 1) -> None:
+        """Create a wlr_fractional_scale_manager_v1"""
+        self._ptr = lib.wlr_fractional_scale_manager_v1_create(display._ptr, version)
+
+
+def notify_scale(surface: Surface, scale: float):
+    lib.wlr_fractional_scale_v1_notify_scale(surface._ptr, scale)