Python QPushButton.isEnabled方法代码示例

# 需要导入模块: from qtpy.QtWidgets import QPushButton [as 别名]
# 或者: from qtpy.QtWidgets.QPushButton import isEnabled [as 别名]

#.........这里部分代码省略.........
        # Token auth tab
        token_auth = QWidget()
        token_layout = QVBoxLayout()
        token_layout.addSpacerItem(QSpacerItem(QSpacerItem(0, 8)))
        token_layout.addWidget(token_lbl_msg)
        token_layout.addSpacerItem(
            QSpacerItem(QSpacerItem(0, 50, vPolicy=QSizePolicy.Expanding)))
        token_layout.addLayout(token_form_layout)
        token_layout.addSpacerItem(
            QSpacerItem(QSpacerItem(0, 50, vPolicy=QSizePolicy.Expanding)))
        token_auth.setLayout(token_layout)
        self.tabs.addTab(token_auth, _("Access Token"))

        # Sign in button
        self.bt_sign_in = QPushButton(_("Sign in"))
        self.bt_sign_in.clicked.connect(self.accept)
        self.bt_sign_in.setDisabled(True)

        # Main layout
        layout = QVBoxLayout()
        layout.addWidget(lbl_html)
        layout.addWidget(self.tabs)
        layout.addWidget(self.bt_sign_in)
        self.setLayout(layout)

        # Final adjustments
        if username and password:
            self.le_user.setText(username)
            self.le_password.setText(password)
            self.bt_sign_in.setFocus()
        elif username:
            self.le_user.setText(username)
            self.le_password.setFocus()
        elif token:
            self.le_token.setText(token)
        else:
            self.le_user.setFocus()

        self.setFixedSize(self.width(), self.height())
        self.le_password.installEventFilter(self)
        self.le_user.installEventFilter(self)
        self.tabs.currentChanged.connect(self.update_btn_state)

    def eventFilter(self, obj, event):
        interesting_objects = [self.le_password, self.le_user]
        if obj in interesting_objects and event.type() == QEvent.KeyPress:
            if (event.key() == Qt.Key_Return and
                    event.modifiers() & Qt.ControlModifier and
                    self.bt_sign_in.isEnabled()):
                self.accept()
                return True
        return False

    def update_btn_state(self):
        user = to_text_string(self.le_user.text()).strip() != ''
        password = to_text_string(self.le_password.text()).strip() != ''
        token = to_text_string(self.le_token.text()).strip() != ''
        enable = ((user and password and
                  self.tabs.currentIndex() == 0) or
                  (token and self.tabs.currentIndex() == 1))
        self.bt_sign_in.setEnabled(enable)

    def is_keyring_available(self):
        """Check if keyring is available for password storage."""
        try:
            import keyring  # analysis:ignore
            return True
        except Exception:
            return False

    @classmethod
    def login(cls, parent, username, password, token,
              remember, remember_token):
        dlg = DlgGitHubLogin(parent, username, password, token, remember,
                             remember_token)
        if dlg.exec_() == dlg.Accepted:
            user = dlg.le_user.text()
            password = dlg.le_password.text()
            token = dlg.le_token.text()
            if dlg.cb_remember:
                remember = dlg.cb_remember.isChecked()
            else:
                remember = False
            if dlg.cb_remember_token:
                remember_token = dlg.cb_remember_token.isChecked()
            else:
                remember_token = False

            credentials = dict(username=user,
                               password=password,
                               token=token,
                               remember=remember,
                               remember_token=remember_token)
            return credentials

        return dict(username=None,
                    password=None,
                    token=None,
                    remember=False,
                    remember_token=False)