def main():
import sys
app = QApplication(sys.argv)
QQuickWindow.setDefaultAlphaBuffer(True)
QCoreApplication.setApplicationName("Photosurface")
QCoreApplication.setOrganizationName("QtProject")
QCoreApplication.setApplicationVersion(__qt_version__)
parser = QCommandLineParser()
parser.setApplicationDescription("Qt Quick Demo - Photo Surface")
parser.addHelpOption()
parser.addVersionOption()
parser.addPositionalArgument("directory", "The image directory or URL to show.")
parser.process(app)
initialUrl = QUrl()
if parser.positionalArguments():
initialUrl = QUrl.fromUserInput(
parser.positionalArguments()[0], QDir.currentPath(), QUrl.AssumeLocalFile
)
if not initialUrl.isValid():
print(
'Invalid argument: "',
parser.positionalArguments()[0],
'": ',
initialUrl.errorString(),
)
sys.exit(1)
nameFilters = imageNameFilters()
engine = QQmlApplicationEngine()
context: QQmlContext = engine.rootContext()
picturesLocationUrl = QUrl.fromLocalFile(QDir.homePath())
picturesLocations = QStandardPaths.standardLocations(
QStandardPaths.PicturesLocation
)
if picturesLocations:
picturesLocationUrl = QUrl.fromLocalFile(picturesLocations[0])
if not initialUrl and QDir(picturesLocations[0]).entryInfoList(
nameFilters, QDir.Files
):
initialUrl = picturesLocationUrl
context.setContextProperty("contextPicturesLocation", picturesLocationUrl)
context.setContextProperty("contextInitialUrl", initialUrl)
context.setContextProperty("contextImageNameFilters", nameFilters)
engine.load(QUrl("qrc:///photosurface.qml"))
if not engine.rootObjects():
sys.exit(-1)
sys.exit(app.exec_())
def from_file(cls, file, **data):
"""Construct from file path.
Args:
file (str): qml file path.
data (dict, optional): Data will be used in qml as `DATA`.
"""
ret = Notify()
context = ret.rootContext()
context.setContextProperty('DATA', data)
context.setContextProperty('VIEW', ret)
ret.setSource(QUrl.fromLocalFile(file))
QApplication.processEvents()
return ret
def startDrag(self, supported_actions):
"""
Function that is called when we start dragging an item
This function set ups the mime data and creates a copy of the image
of the item that is show in cursor position while dragging action
is enabled
"""
index = self.currentIndex()
model = self.model()
item = model.itemFromIndex(index)
drag = QDrag(self)
mime_data = QMimeData()
mime_data.setData('item_text', QByteArray(str(item.text())))
mime_data.setData('item_size', QByteArray('%.1f %.1f' % (item.size.width(), item.size.height())))
url = QUrl.fromLocalFile(item.text())
mime_data.setUrls(url)
drag.setMimeData(mime_data)
pixmap = item.icon().pixmap(50, 50)
drag.setDragCursor(pixmap, Qt.CopyAction)
drag.start()