wp-fractional-scale-v1: new protocol implementation

This implements the WIP wp-fractional-scale-v1 protocol.

1 files changed, 34 insertions, 0 deletions

diff --git a/include/wlr/types/wlr_fractional_scale_v1.h b/include/wlr/types/wlr_fractional_scale_v1.h
new file mode 100644
index 00000000..9126360d
--- /dev/null
+++ b/include/wlr/types/wlr_fractional_scale_v1.h
@@ -0,0 +1,34 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
+#ifndef WLR_TYPES_WLR_FRACTIONAL_SCALE_V1_H
+#define WLR_TYPES_WLR_FRACTIONAL_SCALE_V1_H
+
+#include <wayland-server-core.h>
+
+struct wlr_surface;
+
+struct wlr_fractional_scale_manager_v1 {
+	struct wl_global *global;
+
+	struct {
+		struct wl_signal destroy;
+	} events;
+
+	// private state
+
+	struct wl_listener display_destroy;
+};
+
+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);
+
+#endif