Python QSplitter.setFocus方法代码示例

# 需要导入模块: from PyQt5.QtWidgets import QSplitter [as 别名]
# 或者: from PyQt5.QtWidgets.QSplitter import setFocus [as 别名]
    def __init__(self, parent=None):
        super(QMainWindow,self).__init__()
 #---------------------------------------------------------------       
        statusWin = QLabel(self)
        #statusWin = QPlainTextEdit(self)  # status window
        #statusWin.appendHtml("<b>hallo<br>hallo2<br>hallo3</b>")
        tabWin    = TabWidgets(self) # tabbed window
        print('hint status win: {0}'.format(statusWin.sizeHint()))
        print('hint_tab win: {0}'.format(tabWin.sizeHint()))
        print('hint main win: {0}'.format(self.sizeHint()))
        mSize = QFontMetrics(statusWin.font())
        rowHt = mSize.lineSpacing()
        # fixed height for statusWin needed as the sizeHint of tabWin is very small
        #statusWin.setFixedHeight(4*rowHt+4)
        # add status window underneath plot Tab Widgets:
        spltVMain = QSplitter(QtCore.Qt.Vertical)
        spltVMain.addWidget(tabWin)
        spltVMain.addWidget(statusWin)
        # relative initial sizes of subwidgets, this doesn't work here
#        spltVMain.setStretchFactor(4,1)
        spltVMain.setSizes([statusWin.sizeHint().height()*2, statusWin.sizeHint().height()*0.05])

        spltVMain.setFocus()
        # make spltVMain occupy the main area of QMainWindow and set inheritance
        self.setCentralWidget(spltVMain)   
        print('size tabs: {0}'.format(tabWin.size()))
        print('size status: {0}'.format(statusWin.size()))
        print('size self: {0}'.format(self.size()))

# 需要导入模块: from PyQt5.QtWidgets import QSplitter [as 别名]
# 或者: from PyQt5.QtWidgets.QSplitter import setFocus [as 别名]
class RGui(QMainWindow):

    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        # Main window set up
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setWindowTitle("RGui")

        # File menu
        self.fileMenu = self.menuBar().addMenu('&File')
        self.fileMenu.addAction('&Open', self.openFile,
            Qt.CTRL + Qt.Key_O)
        self.fileMenu.addAction('&Save figure', self.saveFigure,
            Qt.SHIFT + Qt.CTRL + Qt.Key_S)

        # Main widget and its layout
        # subWidget is embedded in the right half of mainWidget
        self.mainWidget = QSplitter(Qt.Horizontal, self)
        self.subWidget = QSplitter(Qt.Vertical, self)

        # Plot canvas set up, added to layout
        self.canvas = CanvasWidget(self,
            width = 10, height = 8, dpi = 100)

        # Set up the control panel
        self.ctrPane = QTabWidget(self)
        self.initCtrPane()

        # List widget embedded in Tab widget
        self.selectPane = QTabWidget(self.subWidget)
        listWidget = QListWidget(self.selectPane)
        listWidget.setSelectionMode(QAbstractItemView.ExtendedSelection)
        self.selectPane.addTab(listWidget, 'Untitled')
        self.firstPlot = True
        self.spec = []

        # Set up the layouts
        self.mainWidget.addWidget(self.canvas)
        self.subWidget.addWidget(self.ctrPane)
        self.subWidget.addWidget(self.selectPane)
        self.mainWidget.addWidget(self.subWidget)

        # Set up the MainWindow
        self.mainWidget.setFocus()
        self.setCentralWidget(self.mainWidget)
        self.setGeometry(300, 300, 500, 400)
        self.statusBar()

    def initCtrPane(self):
        # main control set up
        mainCtr = QFrame(self.ctrPane)
        mainCtr.setFrameShape(QFrame.StyledPanel)
        mainCtr.setFrameShadow(QFrame.Sunken)
        # buttons and controls
        backSubButton = QPushButton('Background Subtraction', mainCtr)
        backSubButton.clicked.connect(self.backSub)
        plotButton = QPushButton('Plot', mainCtr)
        plotButton.clicked.connect(self.updatePlot1)
        newTabButton = QPushButton('New tab', mainCtr)
        newTabButton.clicked.connect(self.addTab)
        self.plotPeak = QCheckBox('Plot fitted peak', mainCtr)
        holdPlot = QCheckBox('Hold plot', mainCtr)
        holdPlot.stateChanged.connect(self.canvas.toggleHold)
        # layout
        mainLayout = QGridLayout(mainCtr)
        mainLayout.addWidget(backSubButton, 0, 0)
        mainLayout.addWidget(plotButton, 0, 1)
        mainLayout.addWidget(newTabButton, 1, 0)
        mainLayout.addWidget(self.plotPeak, 2, 0)
        mainLayout.addWidget(holdPlot, 2, 1)
        mainCtr.setLayout(mainLayout)

        self.ctrPane.addTab(mainCtr, 'Main Control')

        # NMF control set up
        NMFCtr = QFrame(self.ctrPane)
        NMFCtr.setFrameShape(QFrame.StyledPanel)
        NMFCtr.setFrameShadow(QFrame.Sunken)
        # input & buttons
        self.alphaBox = MyDoubleBox(NMFCtr)
        self.l1RatioBox = MyDoubleBox(NMFCtr)
        self.loadSettings()
        NMFButton = QPushButton('NMF', NMFCtr)
        NMFButton.clicked.connect(self.NMF)
        # layout
        NMFLayout = QGridLayout(NMFCtr)
        NMFLayout.addWidget(QLabel('α'), 0, 0)
        NMFLayout.addWidget(QLabel('l1 ratio'), 1, 0)
        NMFLayout.addWidget(self.alphaBox, 0, 1)
        NMFLayout.addWidget(self.l1RatioBox, 1, 1)
        NMFLayout.addWidget(NMFButton, 2, 0, 1, 2)

        NMFCtr.setLayout(NMFLayout)

        self.ctrPane.addTab(NMFCtr, 'NMF Control')

    # slots
#.........这里部分代码省略.........