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fix: Null pointer exception for ImageView. #73

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Merged
deepin-bot merged 1 commit into from
Oct 9, 2025
Merged

fix: Null pointer exception for ImageView. #73

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7 changes: 7 additions & 0 deletions src/mainwidget.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -377,7 +377,14 @@ void MainWidget::openImage(const QImage &img, const QString &name)
setIcons(themeType);
if (m_imageview) {
m_imageview->openFilterImage(img);
// 使用 QPointer 检查对象是否还存在
QPointer<ImageView> imgSelf(m_imageview);
QTimer::singleShot(100, [ = ] {
if (imgSelf.isNull()) {
qWarning() << "ImageView obj is destroyed";
return; // 对象已被销毁
}

//分辨率大于window的采用适应窗口，没超过，则适应图片
QRect rect1 = m_imageview->image().rect();
if ((rect1.width() >= m_imageview->width() || rect1.height() >= m_imageview->height() - 150) && m_imageview->width() > 0 &&
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