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Python QTextBrowser.verticalScrollBar方法代码示例

本文整理汇总了Python中PyQt5.QtWidgets.QTextBrowser.verticalScrollBar方法的典型用法代码示例。如果您正苦于以下问题:Python QTextBrowser.verticalScrollBar方法的具体用法?Python QTextBrowser.verticalScrollBar怎么用?Python QTextBrowser.verticalScrollBar使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PyQt5.QtWidgets.QTextBrowser的用法示例。


在下文中一共展示了QTextBrowser.verticalScrollBar方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: QChatWidget

# 需要导入模块: from PyQt5.QtWidgets import QTextBrowser [as 别名]
# 或者: from PyQt5.QtWidgets.QTextBrowser import verticalScrollBar [as 别名]

#.........这里部分代码省略.........
        self.addNickButton.setGeometry(584, 8, 31, 23)
        self.addNickButton.clicked.connect(self.addNickScreen)
        self.addNickButton.show()

    def addUser(self, user):
        nick = str(user.text()).lower()

        # Validate the given nick
        nickStatus = utils.isValidNick(nick)
        if nickStatus == errors.VALID_NICK:
            # TODO: Group chats
            pass
        elif nickStatus == errors.INVALID_NICK_CONTENT:
            QMessageBox.warning(self, errors.TITLE_INVALID_NICK, errors.INVALID_NICK_CONTENT)
        elif nickStatus == errors.INVALID_NICK_LENGTH:
            QMessageBox.warning(self, errors.TITLE_INVALID_NICK, errors.INVALID_NICK_LENGTH)
        elif nickStatus == errors.INVALID_EMPTY_NICK:
            QMessageBox.warning(self, errors.TITLE_EMPTY_NICK, errors.EMPTY_NICK)

    def addNickScreen(self):
        self.chat_log.setEnabled(False)
        self.chat_input.setEnabled(False)
        self.send_button.setEnabled(False)
        self.addNickButton.hide()
        self.addUserText = QLabel("Enter a username to add a user to the group chat.", self)
        self.addUserText.setGeometry(200, 20, 300, 100)
        self.addUserText.show()
        self.user = QLineEdit(self)
        self.user.setGeometry(200, 120, 240, 20)
        self.user.returnPressed.connect(self.addUser)
        self.user.show()
        self.addUserButton = QPushButton('Add User', self)
        self.addUserButton.setGeometry(250, 150, 150, 25)
        self.addUserButton.clicked.connect(lambda: self.addUser(self.user))
        self.addUserButton.show()
        self.cancel = QPushButton('Cancel', self)
        self.cancel.setGeometry(298, 210, 51, 23)
        self.cancel.clicked.connect(lambda: self.chat_log.setEnabled(True))
        self.cancel.clicked.connect(lambda: self.chat_input.setEnabled(True))
        self.cancel.clicked.connect(lambda: self.send_button.setEnabled(True))
        self.cancel.clicked.connect(self.addUserText.hide)
        self.cancel.clicked.connect(self.user.hide)
        self.cancel.clicked.connect(self.addUserButton.hide)
        self.cancel.clicked.connect(self.addNickButton.show)
        self.cancel.clicked.connect(self.cancel.hide)
        self.cancel.show()

    def appendMessage(self, message, source, show_timestamp_and_nick=True):
        color = self.__getColor(source)

        if show_timestamp_and_nick:
            timestamp = '<font color="' + color + '">(' + getTimestamp() + ') <strong>' + \
                        (self.chat_window.client.nick if source == MSG_SENDER else self.nick) + \
                        ':</strong></font> '
        else:
            timestamp = ''

        # If the user has scrolled up (current value != maximum), do not move the scrollbar
        # to the bottom after appending the message
        shouldScroll = True
        scrollbar = self.chat_log.verticalScrollBar()
        if scrollbar.value() != scrollbar.maximum() and source != constants.SENDER:
            shouldScroll = False

        self.chat_log.append(timestamp + message)

        # Move the vertical scrollbar to the bottom of the chat log
        if shouldScroll:
            scrollbar.setValue(scrollbar.maximum())

    def __linkify(self, text):
        matches = self.url_regex.findall(text)
        for match in matches:
            text = text.replace(match[0], '<a href="%s">%s</a>' % (match[0], match[0]))
        return text

    def __getColor(self, source):
        if source == MSG_SENDER:
            if qtUtils.is_light_theme:
                return '#0000CC'
            else:
                return '#6666FF'
        elif source == MSG_RECEIVER:
            if qtUtils.is_light_theme:
                return '#CC0000'
            else:
                return '#CC3333'
        else:
            if qtUtils.is_light_theme:
                return '#000000'
            else:
                return '#FFFFFF'

    def disable(self):
        self.disabled = True
        self.chat_input.setReadOnly(True)

    def enable(self):
        self.disabled = False
        self.chat_input.setReadOnly(False)
开发者ID:HingeChat,项目名称:HingeChat,代码行数:104,代码来源:qChatWidget.py


注:本文中的PyQt5.QtWidgets.QTextBrowser.verticalScrollBar方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。