Add kwin full source tree, greeter login, zsh, pcid service, and build system improvements

2026-04-26 22:31:07 +01:00
parent d4a6b356eb
commit 70a84cefee
3416 changed files with 1360518 additions and 10522 deletions
@@ -0,0 +1,56 @@
+/*
+    SPDX-FileCopyrightText: 2022 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+#include "scene/cursordelegate_qpainter.h"
+#include "compositor.h"
+#include "core/output.h"
+#include "core/renderlayer.h"
+#include "core/rendertarget.h"
+#include "core/renderviewport.h"
+#include "cursor.h"
+#include "scene/cursorscene.h"
+
+#include <QPainter>
+
+namespace KWin
+{
+
+CursorDelegateQPainter::CursorDelegateQPainter(Scene *scene, Output *output)
+    : SceneDelegate(scene, nullptr)
+    , m_output(output)
+{
+}
+
+void CursorDelegateQPainter::paint(const RenderTarget &renderTarget, const QRegion &region)
+{
+    if (!region.intersects(layer()->mapToGlobal(layer()->rect()).toAlignedRect())) {
+        return;
+    }
+
+    QImage *buffer = renderTarget.image();
+    if (Q_UNLIKELY(!buffer)) {
+        return;
+    }
+
+    const QSize bufferSize = (Cursors::self()->currentCursor()->rect().size() * m_output->scale()).toSize();
+    if (m_buffer.size() != bufferSize) {
+        m_buffer = QImage(bufferSize, QImage::Format_ARGB32_Premultiplied);
+    }
+
+    RenderTarget offscreenRenderTarget(&m_buffer);
+
+    RenderLayer renderLayer(layer()->loop());
+    renderLayer.setDelegate(std::make_unique<SceneDelegate>(Compositor::self()->cursorScene(), m_output));
+    renderLayer.delegate()->prePaint();
+    renderLayer.delegate()->paint(offscreenRenderTarget, infiniteRegion());
+    renderLayer.delegate()->postPaint();
+
+    QPainter painter(buffer);
+    painter.setClipRegion(region);
+    painter.drawImage(layer()->mapToGlobal(layer()->rect()), m_buffer);
+}
+
+} // namespace KWin