Python QFrame.emit方法代码示例

# 需要导入模块: from PyQt4.Qt import QFrame [as 别名]
# 或者: from PyQt4.Qt.QFrame import emit [as 别名]

#.........这里部分代码省略.........
    def setColor(self, color, default = False):
        """
        Set the color.

        @param color: The color.
        @type  color: tuple of 3 floats (r, g, b)

        @param default: If True, make I{color} the default color. Default is
                        False.
        @type  default: boolean
        """
        if default:
            self.defaultColor = color
            self.setAsDefault = default
        self.color = color
        self._updateColorFrame()
        return

    def getColor(self):
        """
        Return the current color.

        @return: The current r, g, b color.
        @rtype:  Tuple of 3 floats (r, g, b)
        """
        return self.color

    def getQColor(self):
        """
        Return the current QColor.

        @return: The current color.
        @rtype:  QColor
        """
        return RGBf_to_QColor(self.color)

    def _updateColorFrame(self):
        """
        Updates the color frame with the current color.
        """
        colorframe = self.colorFrame
        try:
            qcolor = self.getQColor()
            palette = QPalette() # QPalette(qcolor) would have window color set from qcolor, but that doesn't help us here
            qcolorrole = QPalette.Window
                ## http://doc.trolltech.com/4.2/qpalette.html#ColorRole-enum says:
                ##   QPalette.Window    10    A general background color.
            palette.setColor(QPalette.Active, qcolorrole, qcolor) # used when window is in fg and has focus
            palette.setColor(QPalette.Inactive, qcolorrole, qcolor) # used when window is in bg or does not have focus
            palette.setColor(QPalette.Disabled, qcolorrole, qcolor) # used when widget is disabled
            colorframe.setPalette(palette)
            colorframe.setAutoFillBackground(True)
        except:
            print "data for following exception: ",
            print "colorframe %r has palette %r" % (colorframe, colorframe.palette())
        pass

    def openColorChooserDialog(self):
        """
        Prompts the user to choose a color and then updates colorFrame with
        the selected color.
        """
        qcolor = RGBf_to_QColor(self.color)
        if not self.color in self.standardColorList:
            QColorDialog.setCustomColor(self.customColorCount, qcolor.rgb())
            self.customColorCount += 1
        c = QColorDialog.getColor(qcolor, self)
        if c.isValid():
            self.setColor(QColor_to_RGBf(c))
            self.colorFrame.emit(SIGNAL("editingFinished()"))

    def restoreDefault(self):
        """
        Restores the default value.
        """
        if self.setAsDefault:
            self.setColor(self.defaultColor)
        return

    def hide(self):
        """
        Hides the lineedit and its label (if it has one).

        @see: L{show}
        """
        QWidget.hide(self)
        if self.labelWidget:
            self.labelWidget.hide()
        return

    def show(self):
        """
        Unhides the lineedit and its label (if it has one).

        @see: L{hide}
        """
        QWidget.show(self)
        if self.labelWidget:
            self.labelWidget.show()
        return