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scene: Introduce WorkspaceScene::overlayItem

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The overlay item is the parent for all overlay contents above windows.
This commit is contained in:
Vlad Zahorodnii 2023-12-09 14:44:11 +02:00
parent c153fc719a
commit 207bc1d9e6
2 changed files with 19 additions and 12 deletions
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29
src/scene/workspacescene.cpp
View file

@ -86,6 +86,7 @@ namespace KWin
WorkspaceScene::WorkspaceScene(std::unique_ptr<ItemRenderer> renderer)
: Scene(std::move(renderer))
, m_containerItem(std::make_unique<Item>(this))
, m_overlayItem(std::make_unique<Item>(this))
{
setGeometry(workspace()->geometry());
connect(workspace(), &Workspace::geometryChanged, this, [this]() {
@ -108,7 +109,7 @@ void WorkspaceScene::createDndIconItem()
if (!dragIcon) {
return;
}
m_dndIcon = std::make_unique<DragAndDropIconItem>(dragIcon, this);
m_dndIcon = std::make_unique<DragAndDropIconItem>(dragIcon, this, m_overlayItem.get());
if (waylandServer()->seat()->isDragPointer()) {
auto updatePosition = [this]() {
const auto pointerPos = waylandServer()->seat()->pointerPos();
@ -140,6 +141,11 @@ Item *WorkspaceScene::containerItem() const
return m_containerItem.get();
}
Item *WorkspaceScene::overlayItem() const
{
return m_overlayItem.get();
}
static SurfaceItem *findTopMostSurface(SurfaceItem *item)
{
const QList<Item *> children = item->childItems();
@ -305,6 +311,7 @@ void WorkspaceScene::preparePaintGenericScreen()
});
}
resetRepaintsHelper(m_overlayItem.get(), painted_delegate);
m_paintContext.damage = infiniteRegion();
}
@ -348,9 +355,7 @@ void WorkspaceScene::preparePaintSimpleScreen()
}
}
if (m_dndIcon) {
accumulateRepaints(m_dndIcon.get(), painted_delegate, &m_paintContext.damage);
}
accumulateRepaints(m_overlayItem.get(), painted_delegate, &m_paintContext.damage);
}
void WorkspaceScene::postPaint()
@ -373,8 +378,15 @@ void WorkspaceScene::paint(const RenderTarget &renderTarget, const QRegion &regi
effects->paintScreen(renderTarget, viewport, m_paintContext.mask, region, painted_screen);
m_paintScreenCount = 0;
Q_EMIT frameRendered();
if (m_overlayItem) {
const QRegion repaint = region & m_overlayItem->mapToScene(m_overlayItem->boundingRect()).toRect();
if (!repaint.isEmpty()) {
m_renderer->renderItem(renderTarget, viewport, m_overlayItem.get(), 0, repaint, WindowPaintData{});
}
}
Q_EMIT frameRendered();
m_renderer->endFrame();
}
@ -431,13 +443,6 @@ void WorkspaceScene::paintSimpleScreen(const RenderTarget &renderTarget, const R
for (const Phase2Data &paintData : std::as_const(m_paintContext.phase2Data)) {
paintWindow(renderTarget, viewport, paintData.item, paintData.mask, paintData.region);
}
if (m_dndIcon) {
const QRegion repaint = region & m_dndIcon->mapToScene(m_dndIcon->boundingRect()).toRect();
if (!repaint.isEmpty()) {
m_renderer->renderItem(renderTarget, viewport, m_dndIcon.get(), 0, repaint, WindowPaintData{});
}
}
}
void WorkspaceScene::createStackingOrder()

2
src/scene/workspacescene.h
View file

@ -46,6 +46,7 @@ public:
void initialize();
Item *containerItem() const;
Item *overlayItem() const;
SurfaceItem *scanoutCandidate() const override;
QRegion prePaint(SceneDelegate *delegate) override;
@ -129,6 +130,7 @@ private:
int m_paintScreenCount = 0;
PaintContext m_paintContext;
std::unique_ptr<Item> m_containerItem;
std::unique_ptr<Item> m_overlayItem;
std::unique_ptr<DragAndDropIconItem> m_dndIcon;
};