Advance Wayland and KDE package bring-up

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kwin/source/src/utils/xcursorreader.cpp

@@ -0,0 +1,61 @@
+/*
+    SPDX-FileCopyrightText: 2024 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+#include "utils/xcursorreader.h"
+#include "3rdparty/xcursor.h"
+
+#include <QFile>
+
+namespace KWin
+{
+
+QList<CursorSprite> XCursorReader::load(const QString &filePath, int desiredSize, qreal devicePixelRatio)
+{
+    QFile file(filePath);
+    if (!file.open(QFile::ReadOnly)) {
+        return {};
+    }
+
+    XcursorFile reader {
+        .closure = &file,
+        .read = [](XcursorFile *file, uint8_t *buffer, int len) -> int {
+            QFile *device = static_cast<QFile *>(file->closure);
+            return device->read(reinterpret_cast<char *>(buffer), len);
+        },
+        .skip = [](XcursorFile *file, long offset) -> XcursorBool {
+            QFile *device = static_cast<QFile *>(file->closure);
+            return device->skip(offset) != -1;
+        },
+        .seek = [](XcursorFile *file, long offset) -> XcursorBool {
+            QFile *device = static_cast<QFile *>(file->closure);
+            return device->seek(offset);
+        },
+    };
+
+    XcursorImages *images = XcursorXcFileLoadImages(&reader, desiredSize * devicePixelRatio);
+    if (!images) {
+        return {};
+    }
+
+    QList<CursorSprite> sprites;
+    for (int i = 0; i < images->nimage; ++i) {
+        const XcursorImage *nativeCursorImage = images->images[i];
+        const qreal scale = std::max(qreal(1), qreal(nativeCursorImage->size) / desiredSize);
+        const QPointF hotspot(nativeCursorImage->xhot, nativeCursorImage->yhot);
+        const std::chrono::milliseconds delay(nativeCursorImage->delay);
+
+        QImage data(nativeCursorImage->width, nativeCursorImage->height, QImage::Format_ARGB32_Premultiplied);
+        data.setDevicePixelRatio(scale);
+        memcpy(data.bits(), nativeCursorImage->pixels, data.sizeInBytes());
+
+        sprites.append(CursorSprite(data, hotspot / scale, delay));
+    }
+
+    XcursorImagesDestroy(images);
+    return sprites;
+}
+
+} // namespace KWin