def unIndentBlock(block):
            currentIndent = blockIndentation(block)

            if currentIndent.endswith('\t'):
                charsToRemove = 1
            elif withSpace:
                charsToRemove = 1 if currentIndent else 0
            else:
                if self.useTabs:
                    charsToRemove = min(spacesCount(currentIndent), self.width)
                else:  # spaces
                    if currentIndent.endswith(self.text()):  # remove indent level
                        charsToRemove = self.width
                    else:  # remove all spaces
                        charsToRemove = min(spacesCount(currentIndent), self.width)

            if charsToRemove:
                cursor = cursorAtSpaceEnd(block)
                cursor.setPosition(cursor.position() - charsToRemove, QTextCursor.KeepAnchor)
                cursor.removeSelectedText()
def __init__(self):
        self.factory = yui.YUI.widgetFactory()
        self.dialog = self.factory.createPopupDialog()
        mainvbox = self.factory.createVBox(self.dialog)
        frame    = self.factory.createFrame(mainvbox,"Test frame")
        HBox     = self.factory.createHBox(frame)
        self.aboutbutton = self.factory.createPushButton(HBox,"&About")
        self.closebutton = self.factory.createPushButton(self.factory.createRight(HBox), "&Close")