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QAbstractFileIconEngine: reimplement isNull()

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QPixmapIconEngine as base class of QAbstractFileIconEngine implements
isNull() by checking if there are pixmaps available. As
QAbstractFileIconEngine does it's own caching mechanism, that check is
failing. Since we can assume that the os returns a valid icon for every
file, QAbstractFileIconEngine::isNull() can always return false.

Pick-to: 6.6 6.5
Fixes: QTBUG-119797
Task-number: QTBUG-118667
Change-Id: I713a3cda6a4d14bb3dea374b40d8e8219278e5db
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
This commit is contained in:
Christian Ehrlicher 2023-12-07 18:41:15 +01:00 committed by Volker Hilsheimer
parent 525647efcb
commit 2bccacab21
1 changed files with 1 additions and 0 deletions
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src/gui/image/qabstractfileiconengine_p.h
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@ -30,6 +30,7 @@ public:
QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State) override;
QPixmap scaledPixmap(const QSize &size, QIcon::Mode mode, QIcon::State, qreal scale) override;
QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state) override;
bool isNull() override { return false; }
QFileInfo fileInfo() const { return m_fileInfo; }
QPlatformTheme::IconOptions options() const { return m_options; }