yukijoou/kwin
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

scripting: Draw window thumbnails with drop shadows

Browse source
This commit is contained in:
Vlad Zahorodnii 2021-07-23 12:44:12 +03:00
parent c66f38ba7d
commit 30da8f497c
2 changed files with 43 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

46
src/scripting/thumbnailitem.cpp
View file

@ -238,11 +238,7 @@ QSGNode *ThumbnailItemBase::updatePaintNode(QSGNode *oldNode, QQuickItem::Update
node->setTextureCoordinatesTransform(QSGImageNode::NoTransform);
}
const QSizeF size = QSizeF(node->texture()->textureSize() / m_devicePixelRatio)
.scaled(boundingRect().size(), Qt::KeepAspectRatio);
const qreal x = boundingRect().x() + (boundingRect().width() - size.width()) / 2;
const qreal y = boundingRect().y() + (boundingRect().height() - size.height()) / 2;
node->setRect(QRectF(QPointF(x, y), size));
node->setRect(paintedRect());
return node;
}
@ -328,6 +324,39 @@ QImage WindowThumbnailItem::fallbackImage() const
return QImage();
}
static QRectF centeredSize(const QRectF &boundingRect, const QSizeF &size)
{
const QSizeF scaled = size.scaled(boundingRect.size(), Qt::KeepAspectRatio);
const qreal x = boundingRect.x() + (boundingRect.width() - scaled.width()) / 2;
const qreal y = boundingRect.y() + (boundingRect.height() - scaled.height()) / 2;
return QRectF(QPointF(x, y), scaled);
}
QRectF WindowThumbnailItem::paintedRect() const
{
if (!m_offscreenTexture) {
const QSizeF iconSize = m_client->icon().actualSize(window(), boundingRect().size().toSize());
return centeredSize(boundingRect(), iconSize);
}
const QRect visibleGeometry = m_client->visibleGeometry();
const QRect frameGeometry = m_client->frameGeometry();
const QSizeF scaled = QSizeF(frameGeometry.size()).scaled(boundingRect().size(), Qt::KeepAspectRatio);
const qreal xScale = scaled.width() / frameGeometry.width();
const qreal yScale = scaled.height() / frameGeometry.height();
QRectF paintedRect(boundingRect().x() + (boundingRect().width() - scaled.width()) / 2,
boundingRect().y() + (boundingRect().height() - scaled.height()) / 2,
visibleGeometry.width() * xScale,
visibleGeometry.height() * yScale);
paintedRect.moveLeft(paintedRect.x() + (visibleGeometry.x() - frameGeometry.x()) * xScale);
paintedRect.moveTop(paintedRect.y() + (visibleGeometry.y() - frameGeometry.y()) * yScale);
return paintedRect;
}
void WindowThumbnailItem::invalidateOffscreenTexture()
{
m_dirty = true;
@ -341,7 +370,7 @@ void WindowThumbnailItem::updateOffscreenTexture()
}
Q_ASSERT(window());
const QRect geometry = m_client->frameGeometry();
const QRect geometry = m_client->visibleGeometry();
QSize textureSize = geometry.size();
if (sourceSize().width() > 0) {
textureSize.setWidth(sourceSize().width());
@ -413,6 +442,11 @@ QImage DesktopThumbnailItem::fallbackImage() const
return QImage();
}
QRectF DesktopThumbnailItem::paintedRect() const
{
return centeredSize(boundingRect(), screens()->size());
}
void DesktopThumbnailItem::invalidateOffscreenTexture()
{
update();

3
src/scripting/thumbnailitem.h
View file

@ -69,6 +69,7 @@ protected:
void releaseResources() override;
virtual QImage fallbackImage() const = 0;
virtual QRectF paintedRect() const = 0;
virtual void invalidateOffscreenTexture() = 0;
virtual void updateOffscreenTexture() = 0;
void destroyOffscreenTexture();
@ -107,6 +108,7 @@ Q_SIGNALS:
protected:
QImage fallbackImage() const override;
QRectF paintedRect() const override;
void invalidateOffscreenTexture() override;
void updateOffscreenTexture() override;
@ -132,6 +134,7 @@ Q_SIGNALS:
protected:
QImage fallbackImage() const override;
QRectF paintedRect() const override;
void invalidateOffscreenTexture() override;
void updateOffscreenTexture() override;