Python QLineEdit.setDragEnabled方法代碼示例

# 需要導入模塊: from PyQt5.QtWidgets import QLineEdit [as 別名]
# 或者: from PyQt5.QtWidgets.QLineEdit import setDragEnabled [as 別名]
    def __init_ui(self):
        self.setWindowTitle(self.title)
        self.setGeometry(self.left, self.top, self.width, self.height)

        edit_box = QLineEdit('Drag this', self)
        edit_box.setDragEnabled(True)
        edit_box.move(10, 10)
        edit_box.resize(200, 32)

        label = CustomLabel('Drop here.', self)
        label.move(10, 50)
        label.resize(200, 32)

# 需要導入模塊: from PyQt5.QtWidgets import QLineEdit [as 別名]
# 或者: from PyQt5.QtWidgets.QLineEdit import setDragEnabled [as 別名]
    def __init__(self):
        super().__init__()

        editBox = QLineEdit('Drag this', self)
        editBox.setDragEnabled(True)
        editBox.move(10, 10)
        editBox.resize(100, 32)

        button = CustomLabel('Drop here.', self)
        button.move(130, 15)

        self.show()

# 需要導入模塊: from PyQt5.QtWidgets import QLineEdit [as 別名]
# 或者: from PyQt5.QtWidgets.QLineEdit import setDragEnabled [as 別名]
    def initUI(self):
        edit = QLineEdit('', self)
        edit.setDragEnabled(True)
        edit.move(30, 35)

        button = Button("Button", self)
        button.move(190, 35)

        self.setAcceptDrops(True)
        self.button = Button('Click or Move', self)
        self.button.move(100, 100)

        self.setWindowTitle('drag & drop')
        self.setGeometry(300, 300, 300, 150)

# 需要導入模塊: from PyQt5.QtWidgets import QLineEdit [as 別名]
# 或者: from PyQt5.QtWidgets.QLineEdit import setDragEnabled [as 別名]
class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()

        self.current_dir = os.getcwd()
        self.descriptors = {}
        self.image_names = []
        self.current_index = 0
        self.pixmap = None
        self.scaledPixmap = None

        self.initUI()
        self.reloadDirectory()

    def initUI(self):
        centralWidget = QWidget()
        self.setCentralWidget(centralWidget)

        self.statusBar()

        # menu
        openIcon = qApp.style().standardIcon(QStyle.SP_DirOpenIcon)
        openFolder = QAction(openIcon, 'Open folder..', self)
        openFolder.setShortcut('Ctrl+O')
        openFolder.setStatusTip('Open a new folder with images')
        openFolder.triggered.connect(self.showDialog)

        exitIcon = qApp.style().standardIcon(QStyle.SP_DialogCloseButton)
        exitAction = QAction(exitIcon, '&Exit', self)
        exitAction.setShortcut('Ctrl+Q')
        exitAction.setStatusTip('Exit application')
        exitAction.triggered.connect(qApp.quit)

        menubar = self.menuBar()
        menubar.setNativeMenuBar(False)
        fileMenu = menubar.addMenu('&File')
        fileMenu.addAction(openFolder)
        fileMenu.addAction(exitAction)

        aboutMenu = menubar.addMenu('&About')
        aboutAction = QAction('&About', self)
        aboutAction.setShortcut('F1')
        aboutAction.setStatusTip('About the author')
        aboutAction.triggered.connect(self.about)
        aboutMenu.addAction(aboutAction)

        # window contents
        self.label = CustomQLabel(self)
        self.label.setMinimumSize(1, 1)
        self.label.setAlignment(Qt.AlignCenter)
        self.label.mousePressEvent = self.handleImageClick
        self.label.installEventFilter(self)

        self.commentEdit = QLineEdit()
        self.commentEdit.setPlaceholderText("Enter comment here...")
        self.commentEdit.setDragEnabled(True)  # Allows drag-n-drop in the text field
        self.commentEdit.textChanged.connect(self.saveComment)

        prevIcon = qApp.style().standardIcon(QStyle.SP_ArrowBack)
        prevButton = QPushButton("Previous image")
        prevButton.setIcon(prevIcon)
        prevButton.setToolTip("PageUp")

        nextIcon = qApp.style().standardIcon(QStyle.SP_ArrowForward)
        nextButton = QPushButton("Next image")
        nextButton.setIcon(nextIcon)
        nextButton.setToolTip("PageDown")

        prevButton.clicked.connect(self.moveBackward)
        nextButton.clicked.connect(self.moveForward)

        hbox = QHBoxLayout()
        hbox.addWidget(self.commentEdit)
        hbox.addWidget(prevButton)
        hbox.addWidget(nextButton)

        vbox = QVBoxLayout()
        vbox.addWidget(self.label)
        vbox.addLayout(hbox)

        centralWidget.setLayout(vbox)

        # window itself
        self.setGeometry(300, 300, 800, 480)
        self.center()
        self.setWindowTitle('Tickster')
        self.show()

    def about(self):
        QMessageBox.about(self, "About",
                """<b> Tickster version %s </b>
                <p>Copyright &copy; by Dmitry Nikulin. October 2015.
                <ul>
                  <li>Python %s</li>
                  <li>PyQt %s</li>
                  <li>Qt %s</li>
                </ul>
                <p>Esc to exit, Ctrl+O to open a folder, PageUp/PageDown to navigate.</p>
                <p>Data is saved automatically in <b>%s</b> when switching between images,
                directories, and on exit.</p>""" %
#.........這裏部分代碼省略.........