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wayland/screencopy: add constrained implicitSize for ScreencopyView

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outfoxxed 2025-05-25 20:36:38 -07:00
parent 7390ae28e4
commit 05ed9ff74c
Signed by untrusted user: outfoxxed
GPG key ID: 4C88A185FB89301E
2 changed files with 32 additions and 1 deletions
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10
src/wayland/screencopy/view.hpp
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@ -36,10 +36,13 @@ class ScreencopyView: public QQuickItem {
Q_PROPERTY(bool hasContent READ default NOTIFY hasContentChanged BINDABLE bindableHasContent);
/// The size of the source image. Valid when @@hasContent is true.
Q_PROPERTY(QSize sourceSize READ default NOTIFY sourceSizeChanged BINDABLE bindableSourceSize);
/// If nonzero, the width and height constraints set for this property will constrain those
/// dimensions of the ScreencopyView's implicit size, maintaining the image's aspect ratio.
Q_PROPERTY(QSizeF constraintSize READ default WRITE default NOTIFY constraintSizeChanged BINDABLE bindableConstraintSize);
// clang-format on
public:
explicit ScreencopyView(QQuickItem* parent = nullptr): QQuickItem(parent) {}
explicit ScreencopyView(QQuickItem* parent = nullptr);
void componentComplete() override;
@ -57,6 +60,7 @@ public:
[[nodiscard]] QBindable<bool> bindableHasContent() { return &this->bHasContent; }
[[nodiscard]] QBindable<QSize> bindableSourceSize() { return &this->bSourceSize; }
[[nodiscard]] QBindable<QSizeF> bindableConstraintSize() { return &this->bConstraintSize; }
signals:
/// The compositor has ended the video stream. Attempting to restart it may or may not work.
@ -67,6 +71,7 @@ signals:
void liveChanged();
void hasContentChanged();
void sourceSizeChanged();
void constraintSizeChanged();
protected:
QSGNode* updatePaintNode(QSGNode* oldNode, UpdatePaintNodeData* data) override;
@ -80,10 +85,13 @@ private slots:
private:
void destroyContext(bool update = true);
void createContext();
void updateImplicitSize();
// clang-format off
Q_OBJECT_BINDABLE_PROPERTY(ScreencopyView, bool, bHasContent, &ScreencopyView::hasContentChanged);
Q_OBJECT_BINDABLE_PROPERTY(ScreencopyView, QSize, bSourceSize, &ScreencopyView::sourceSizeChanged);
Q_OBJECT_BINDABLE_PROPERTY(ScreencopyView, QSizeF, bConstraintSize, &ScreencopyView::constraintSizeChanged);
Q_OBJECT_BINDABLE_PROPERTY(ScreencopyView, QSizeF, bImplicitSize, &ScreencopyView::updateImplicitSize);
// clang-format on
QObject* mCaptureSource = nullptr;