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fix: window title not updated in some cases

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This commit is contained in:
Gary Wang
2024-07-30 22:54:43 +08:00
parent a6e31a2c4d
commit 3596f9eac4
5 changed files with 66 additions and 89 deletions
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60
app/graphicsview.cpp
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@ -23,14 +23,14 @@ GraphicsView::GraphicsView(QWidget *parent)
setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
setStyleSheet("background-color: rgba(0, 0, 0, 220);"
"border-radius: 3px;");
setAcceptDrops(true);
setAcceptDrops(false);
setCheckerboardEnabled(false);
connect(horizontalScrollBar(), &QScrollBar::valueChanged, this, &GraphicsView::viewportRectChanged);
connect(verticalScrollBar(), &QScrollBar::valueChanged, this, &GraphicsView::viewportRectChanged);
}
void GraphicsView::showFileFromPath(const QString &filePath, bool doRequestGallery)
void GraphicsView::showFileFromPath(const QString &filePath)
{
emit navigatorViewRequired(false, transform());
@ -48,17 +48,14 @@ void GraphicsView::showFileFromPath(const QString &filePath, bool doRequestGalle
// So we cannot use imageFormat() and check if it returns QImage::Format_Invalid to detect if we support the file.
// QImage::Format imageFormat = imageReader.imageFormat();
if (imageReader.format().isEmpty()) {
doRequestGallery = false;
showText(tr("File is not a valid image"));
} else if (imageReader.supportsAnimation() && imageReader.imageCount() > 1) {
showAnimated(filePath);
} else if (!imageReader.canRead()) {
doRequestGallery = false;
showText(tr("Image data is invalid or currently unsupported"));
} else {
QPixmap && pixmap = QPixmap::fromImageReader(&imageReader);
if (pixmap.isNull()) {
doRequestGallery = false;
showText(tr("Image data is invalid or currently unsupported"));
} else {
pixmap.setDevicePixelRatio(devicePixelRatioF());
@ -66,10 +63,6 @@ void GraphicsView::showFileFromPath(const QString &filePath, bool doRequestGalle
}
}
}
if (doRequestGallery) {
emit requestGallery(filePath);
}
}
void GraphicsView::showImage(const QPixmap &pixmap)
@ -318,55 +311,6 @@ void GraphicsView::resizeEvent(QResizeEvent *event)
return QGraphicsView::resizeEvent(event);
}
void GraphicsView::dragEnterEvent(QDragEnterEvent *event)
{
if (event->mimeData()->hasUrls() || event->mimeData()->hasImage() || event->mimeData()->hasText()) {
event->acceptProposedAction();
} else {
event->ignore();
}
// qDebug() << event->mimeData() << "Drag Enter Event"
// << event->mimeData()->hasUrls() << event->mimeData()->hasImage()
// << event->mimeData()->formats() << event->mimeData()->hasFormat("text/uri-list");
return QGraphicsView::dragEnterEvent(event);
}
void GraphicsView::dragMoveEvent(QDragMoveEvent *event)
{
Q_UNUSED(event)
// by default, QGraphicsView/Scene will ignore the action if there are no QGraphicsItem under cursor.
// We actually doesn't care and would like to keep the drag event as-is, so just do nothing here.
}
void GraphicsView::dropEvent(QDropEvent *event)
{
event->acceptProposedAction();
const QMimeData * mimeData = event->mimeData();
if (mimeData->hasUrls()) {
const QList<QUrl> &urls = mimeData->urls();
if (urls.isEmpty()) {
showText(tr("File url list is empty"));
} else {
showFileFromPath(urls.first().toLocalFile(), true);
}
} else if (mimeData->hasImage()) {
QImage img = qvariant_cast<QImage>(mimeData->imageData());
QPixmap pixmap = QPixmap::fromImage(img);
if (pixmap.isNull()) {
showText(tr("Image data is invalid"));
} else {
showImage(pixmap);
}
} else if (mimeData->hasText()) {
showText(mimeData->text());
} else {
showText(tr("Not supported mimedata: %1").arg(mimeData->formats().first()));
}
}
bool GraphicsView::isThingSmallerThanWindowWith(const QTransform &transform) const
{
return rect().size().expandedTo(transform.mapRect(sceneRect()).size().toSize())