OnCue.py 文件源码

def playItem(self):
            """
            Plays the selected item
            """
            data = self.listItemsPrimary.currentItem().data(256)
            output.load(data)

            if data["type"] == "media":
                # Plays video
                self.mediaProgressBarThread.start()
                self.mediaProgressBarThread.setPriority(QtCore.QThread.TimeCriticalPriority)
                self.mediaControls_PLAY.click()
                self.contentControls.setCurrentIndex(2)

            elif data["type"] == "powerpoint":
                # Clear existing content in the slide preview list
                self.powerpointSlides.clear()

                # Connect to PowerPoint COM
                PPTApplication = win32com.client.Dispatch("PowerPoint.Application")
                Presentation = PPTApplication.Presentations.Open(data["path"].replace("/", "\\"),
                                                                 WithWindow=False)
                # Create slide previews
                temp = tempfile.TemporaryDirectory().name
                Presentation.Export(temp, "png")
                i = 1
                for file in glob.iglob(temp + "\\*.PNG"):
                    item = QtWidgets.QListWidgetItem()
                    item.setIcon(QtGui.QIcon(file))
                    item.setText(str(i))
                    item.setTextAlignment(QtCore.Qt.AlignCenter)
                    i += 1
                    self.powerpointSlides.addItem(item)
                self.contentControls.setCurrentIndex(1)
            else:
                # 'unknown' case - Hide controls
                self.contentControls.setCurrentIndex(0)