PROSAGA码农传奇-乐高机器人-如何使用PyQt在python中的两个窗口之间切换

<div class =“post-text”itemprop =“text”>
  <P>
    谢谢
    的<strong>
      three_pineapples
    </强>
     您的帮助。我使用了你所描述的第二种方式。它像一个梦想:)这是代码，如果有人需要它。
  </p>
   <pre>
    <code>
      import sys
import time
from PyQt4 import QtCore, QtGui
from ui import Ui_MainWindow
from ui import Ui_SettingsWindow

#Aplikacja obslugujaca bramki LF
#zamiana pliku .ui na kod pythona
#pyuic4 untitled.ui -o output.py

#py to exe
#python setup.py py2exe --includes sip
class timerThread(QtCore.QThread):
    timeElapsed = QtCore.pyqtSignal(float)

def __init__(self, parent=None):
        super(timerThread, self).__init__(parent)
        self.timeStart = None

def start(self, timeStart):
        self.timeStart = timeStart

return super(timerThread, self).start()

def run(self):
        while self.parent().isRunning():
            self.timeElapsed.emit(time.time() - self.timeStart)
            time.sleep(0.1)

class myThread(QtCore.QThread):
    timeElapsed = QtCore.pyqtSignal(float)
    def __init__(self, parent=None):
        super(myThread, self).__init__(parent)

self.timerThread = timerThread(self)
        self.timerThread.timeElapsed.connect(self.timeElapsed.emit)

def run(self):
        self.timerThread.start(time.time())

iterations = 10000000000
        while iterations:
            print "Running {0}".format(self.__class__.__name__)
            iterations -= 1
            time.sleep(10)

class SettingsWindow(QtGui.QMainWindow):
    #Constructor:
    def __init__(self, parent=None):
        QtGui.QWidget.__init__(self, parent)
        self.ui_settigns = Ui_SettingsWindow()
        self.ui_settigns.setupUi(self)

class MainWindow(QtGui.QMainWindow):

#Constructor:
    def __init__(self, parent=None):
        QtGui.QWidget.__init__(self, parent)
        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)
        self.settings = SettingsWindow()# Creates and stores SettingsWindow instance, MainWindow manages SettingsWindow

self.myThread = myThread(self)
        self.myThread.timeElapsed.connect(self.on_myThread_timeElapsed)
        self.myThread.finished.connect(self.on_myThread_finished)

#Nie wiem jak przerzucic to do pliku UI bez errorow
        #Toolbar
        settingsAction = QtGui.QAction(QtGui.QIcon('tools.jpg'), 'Ustawienia', self)
        settingsAction.setShortcut('Ctrl+U')
        settingsAction.triggered.connect(self.ShowSettings)

self.toolbar = self.addToolBar('Settings')
        self.toolbar.addAction(settingsAction)

def UpdateList(self):
        contest_name = self.ui.comboBox.currentText()

#jakis try-catch tutaj sie przyda gdyby nie plik nie istnial
        #zczytuje z pliku liste robotow
        with open('database\%s.txt' % contest_name) as f:
                robots_list = f.read().splitlines()

self.ui.listWidget.clear()
        self.ui.listWidget.addItems(robots_list)

def Search(self):
        text = self.ui.lineEdit.text()
        self.ui.lineEdit.clear() 
        item = self.ui.listWidget.findItems(text, QtCore.Qt.MatchExactly)

#jakiegos try-catcha trzeba tutaj walnac
        self.ui.listWidget.setItemSelected(item[0], True)

def ShowSettings(self):
        self.settings.show()

@QtCore.pyqtSlot()
    def on_button_clicked(self):
        self.myThread.start()

@QtCore.pyqtSlot(int)
    def on_myThread_timeElapsed(self, seconds):
        self.ui.lcdNumber.display(seconds)

@QtCore.pyqtSlot()
    def on_myThread_finished(self):
        self.myThread.terminate()
        print "Done"

if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    myapp = MainWindow()
    myapp.show()

sys.exit(app.exec_())

</code>
  </pre>
</DIV>