Question

我有一个配置对话框，我预先填充了现有选项，这些选项存储在cfg中。当用户单击“保存”（或等效）时，我需要从QLineEdit对象中获取新值。除了我无法想象那一点。从昨天晚上起，我一直在谷歌搜索和测试，然后我再次弯曲膝盖来到这里。这是我的对话框代码（表单来自Qt Designer，这就是为什么没有GUI代码）：

class Config(QDialog):
    def __init__(self):
        super(Config, self).__init__()

        popup = QDialog()
        config_ui = configform()
        config_ui.setupUi(popup)

        config_ui.programver.setText(cfg['config']['programver'])

        if cfg['config']['dummycopy']:
            config_ui.democheck.setChecked(True)

        config_ui.tmdbAPIkey.setText(cfg['config']['TMDB_KEY'])
        config_ui.tvdbAPIkey.setText(cfg['config']['TVDB_KEY'])
        config_ui.tvdbUserkey.setText(cfg['config']['TVDB_USERKEY'])

        theme = cfg['config']['theme']

        if theme == "blue":
            config_ui.bluebutton.setChecked(True)
        elif theme == "yellow":
            config_ui.yellowbutton.setChecked(True)
        elif theme == "light":
            config_ui.lightmetalbutton.setChecked(True)
        elif theme == "dark":
            config_ui.darkmetalbutton.setChecked(True)

        programversion = config_ui.programver.text()

        config_ui.savebutton.clicked.connect(lambda: Config.save(self, programversion))

        popup.exec_()


    def save(self, programversion):
        QDialog.close(self)
        print(programversion)

我需要一些伏都教才能进入变化的领域。我现在能得到的只是对话框生动时的原始值。这有诀窍吗？我不能成为第一个尝试预先填充对话框的人。我发誓我已经尝试了按钮和buttonBox变体的每种组合。

我想也许有一些方法可以隐藏对话框，抓取数据，然后破坏对话框？无论如何，这是一个有效的理论。

提前致谢。

Answer 1

为了以简单的方式工作，我们使用Qt Designer的设计来填充Dialog，我们将cancel按钮连接到self.reject（），将save按钮连接到save（）插槽，在此我们保存数据并发出self.accept（）：

from PyQt5.QtWidgets import *
from Ui_config_dialog import Ui_configdialog
import configparser


class Config(QDialog, Ui_configdialog):
    def __init__(self, *args, **kwargs):
        QDialog.__init__(self, *args, **kwargs)
        self.setupUi(self)
        self.cancelbutton.clicked.connect(self.reject)
        self.filename = "joe.conf"
        self.cfg = configparser.ConfigParser()
        self.cfg.read(self.filename)
        self.load()

    def load(self):
        self.programver.setText(self.cfg['config']['programver'])
        self.democheck.setChecked(self.cfg.getboolean("config", "dummycopy"))
        self.tmdbAPIkey.setText(self.cfg['config']['TMDB_KEY'])
        self.tvdbAPIkey.setText(self.cfg['config']['TVDB_KEY'])
        self.tvdbUserkey.setText(self.cfg['config']['TVDB_USERKEY'])
        theme = self.cfg['config']['theme']

        self.buttons = {"blue": self.bluebutton, 
                        "yellow": self.yellowbutton,
                        "light": self.lightmetalbutton,
                        "dark": self.darkmetalbutton}

        self.buttons[theme].setChecked(True)
        self.group = QButtonGroup(self)
        self.group.addButton(self.bluebutton)
        self.group.addButton(self.yellowbutton)
        self.group.addButton(self.lightmetalbutton)
        self.group.addButton(self.darkmetalbutton)
        self.savebutton.clicked.connect(self.save)

    def save(self):
        self.cfg['config']['programver'] = self.programver.text()
        self.cfg['config']['dummycopy'] = "True" if self.democheck.isChecked() else "False"
        self.cfg['config']['TMDB_KEY'] = self.tmdbAPIkey.text()
        self.cfg['config']['TVDB_KEY'] = self.tvdbUserkey.text()
        for key, btn in self.buttons.items():
            if btn == self.group.checkedButton():
                 self.cfg['config']['theme'] = key
                 break

        with open(self.filename, 'w') as configfile: 
            self.cfg.write(configfile)
        self.accept()


if __name__ == "__main__":
    import sys
    app = QApplication(sys.argv)
    w = Config()
    w.show()
    sys.exit(app.exec_())

从PyQt5 QDialog获取更改的数据

1 个答案: