LibGfx: Add ImageCursor type and Cursor variant

Besides standard cursors, we also need to support custom images. For now, everything still uses StandardCursor.
Author: https://github.com/AtkinsSJ Commit: 1990b2fc52 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3644
2025-08-23 02:42:10 +00:00 · 2025-02-17 15:49:05 +00:00 · 2025-02-17 15:49:05 +00:00 · 1990b2fc52 · 2025-02-28 12:52:16 +00:00
commit 1990b2fc52
parent 6a4a60cbd5
8 changed files with 104 additions and 39 deletions
--- a/Libraries/LibGfx/Cursor.h
+++ b/Libraries/LibGfx/Cursor.h
@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
+ * Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Variant.h>
+#include <LibGfx/Point.h>
+#include <LibGfx/ShareableBitmap.h>
+#include <LibIPC/Forward.h>
+
+namespace Gfx {
+
+enum class StandardCursor {
+    None = 0,
+    Hidden,
+    Arrow,
+    Crosshair,
+    IBeam,
+    ResizeHorizontal,
+    ResizeVertical,
+    ResizeDiagonalTLBR,
+    ResizeDiagonalBLTR,
+    ResizeColumn,
+    ResizeRow,
+    Hand,
+    Help,
+    Drag,
+    DragCopy,
+    Move,
+    Wait,
+    Disallowed,
+    Eyedropper,
+    Zoom,
+    __Count,
+};
+
+struct ImageCursor {
+    ShareableBitmap bitmap;
+    IntPoint hotspot;
+
+    bool operator==(ImageCursor const& other) const;
+};
+
+using Cursor = Variant<StandardCursor, ImageCursor>;
+
+}
+
+namespace IPC {
+
+template<>
+ErrorOr<void> encode(Encoder&, Gfx::ImageCursor const&);
+
+template<>
+ErrorOr<Gfx::ImageCursor> decode(Decoder&);
+
+}