main_gui.py 文件源码

def createViewToolbar(self):
        flipX = QtGui.QAction("Flip X", self, triggered=lambda: self.viewArea.viewState.flip(0))
        flipX.setShortcut(QtGui.QKeySequence("f"))
        flipX.setToolTip('f')

        flipY = QtGui.QAction("Flip Y", self, triggered=lambda: self.viewArea.viewState.flip(1))
        flipY.setShortcut(QtGui.QKeySequence("shift+f"))
        flipY.setToolTip('Shift+f')

        def rotater(deg):
            def _():
                self.viewArea.viewState.rotate(deg)
            return _

        self.rotate90L = QtGui.QAction("Rotate 90 (CCW)", self, triggered=rotater(-90))
        self.rotate90L.setShortcut(QtGui.QKeySequence("ctlr+shift+r"))
        self.rotate90L.setToolTip("Ctrl+Shift+r")

        self.rotate90R = QtGui.QAction("Rotate 90 (CW)", self, triggered=rotater(90))
        self.rotate90R.setShortcut(QtGui.QKeySequence("ctrl+r"))
        self.rotate90R.setToolTip("Ctrl+r")

        self.permute = QtGui.QAction("Cycle Image Draw Order", self, triggered=self.viewArea.viewState.permute_layer_order)
        self.permute.setShortcut(QtGui.QKeySequence("]"))
        self.permute.setToolTip("]")

        tb = self.addToolBar("View")
        tb.addAction(flipX)
        tb.addAction(flipY)
        tb.addAction(self.rotate90L)
        tb.addAction(self.rotate90R)
        tb.addAction(self.permute)

        self.flipX = flipX
        self.flipY = flipY