rm garbage file

1 files changed, 0 insertions, 976 deletions

diff --git a/src/.goutputstream-67IS4Y b/src/.goutputstream-67IS4Y
deleted file mode 100644
index 789a6e7..0000000
--- a/src/.goutputstream-67IS4Y
+++ /dev/null
@@ -1,976 +0,0 @@
-'''
-    When using GUI mode, this module's object (the main window) takes
-    user input to construct a program state (stored in the Core object).
-    This shows a preview of the video being created and allows for saving
-    projects and exporting the video at a later time.
-'''
-from PyQt5 import QtCore, QtGui, uic, QtWidgets
-from PyQt5.QtWidgets import QMenu, QShortcut
-from PIL import Image
-from queue import Queue
-import sys
-import os
-import signal
-import filecmp
-import time
-
-from core import Core
-import preview_thread
-from presetmanager import PresetManager
-from toolkit import disableWhenEncoding, disableWhenOpeningProject, checkOutput
-
-
-class PreviewWindow(QtWidgets.QLabel):
-    '''
-        Paints the preview QLabel and maintains the aspect ratio when the
-        window is resized.
-    '''
-
-    def __init__(self, parent, img):
-        super(PreviewWindow, self).__init__()
-        self.parent = parent
-        self.setFrameStyle(QtWidgets.QFrame.StyledPanel)
-        self.pixmap = QtGui.QPixmap(img)
-
-    def paintEvent(self, event):
-        size = self.size()
-        painter = QtGui.QPainter(self)
-        point = QtCore.QPoint(0, 0)
-        scaledPix = self.pixmap.scaled(
-            size,
-            QtCore.Qt.KeepAspectRatio,
-            transformMode=QtCore.Qt.SmoothTransformation)
-
-        # start painting the label from left upper corner
-        point.setX((size.width() - scaledPix.width())/2)
-        point.setY((size.height() - scaledPix.height())/2)
-        painter.drawPixmap(point, scaledPix)
-
-    def changePixmap(self, img):
-        self.pixmap = QtGui.QPixmap(img)
-        self.repaint()
-
-    def mousePressEvent(self, event):
-        if self.parent.encoding:
-            return
-
-        i = self.parent.window.listWidget_componentList.currentRow()
-        if i >= 0:
-            component = self.parent.core.selectedComponents[i]
-            if not hasattr(component, 'previewClickEvent'):
-                return
-            pos = (event.x(), event.y())
-            size = (self.width(), self.height())
-            component.previewClickEvent(
-                pos, size, event.button()
-            )
-            self.parent.core.updateComponent(i)
-
-    @QtCore.pyqtSlot(str)
-    def threadError(self, msg):
-        self.parent.showMessage(
-            msg=msg,
-            icon='Critical',
-            parent=self
-        )
-
-
-class MainWindow(QtWidgets.QMainWindow):
-    '''
-        The MainWindow wraps many Core methods in order to update the GUI
-        accordingly. E.g., instead of self.core.openProject(), it will use
-        self.openProject() and update the window titlebar within the wrapper.
-
-        MainWindow manages the autosave feature, although Core has the
-        primary functions for opening and creating project files.
-    '''
-
-    createVideo = QtCore.pyqtSignal()
-    newTask = QtCore.pyqtSignal(list)  # for the preview window
-    processTask = QtCore.pyqtSignal()
-
-    def __init__(self, window, project):
-        QtWidgets.QMainWindow.__init__(self)
-        # print('main thread id: {}'.format(QtCore.QThread.currentThreadId()))
-        self.window = window
-        self.core = Core()
-
-        # widgets of component settings
-        self.pages = []
-        self.lastAutosave = time.time()
-        # list of previous five autosave times, used to reduce update spam
-        self.autosaveTimes = []
-        self.autosaveCooldown = 0.2
-        self.encoding = False
-
-        # Create data directory, load/create settings
-        self.dataDir = Core.dataDir
-        self.presetDir = Core.presetDir
-        self.autosavePath = os.path.join(self.dataDir, 'autosave.avp')
-        self.settings = Core.settings
-        self.presetManager = PresetManager(
-            uic.loadUi(
-                os.path.join(Core.wd, 'presetmanager.ui')), self)
-
-        if not os.path.exists(self.dataDir):
-            os.makedirs(self.dataDir)
-        for neededDirectory in (
-          self.presetDir, self.settings.value("projectDir")):
-            if not os.path.exists(neededDirectory):
-                os.mkdir(neededDirectory)
-
-        # Create the preview window and its thread, queues, and timers
-        self.previewWindow = PreviewWindow(self, os.path.join(
-            Core.wd, "background.png"))
-        window.verticalLayout_previewWrapper.addWidget(self.previewWindow)
-
-        self.previewQueue = Queue()
-        self.previewThread = QtCore.QThread(self)
-        self.previewWorker = preview_thread.Worker(self, self.previewQueue)
-        self.previewWorker.error.connect(self.previewWindow.threadError)
-        self.previewWorker.moveToThread(self.previewThread)
-        self.previewWorker.imageCreated.connect(self.showPreviewImage)
-        self.previewThread.start()
-
-        self.timer = QtCore.QTimer(self)
-        self.timer.timeout.connect(self.processTask.emit)
-        self.timer.start(500)
-
-        # Begin decorating the window and connecting events
-        self.window.installEventFilter(self)
-        componentList = self.window.listWidget_componentList
-
-        if sys.platform == 'darwin':
-            window.progressBar_createVideo.setTextVisible(False)
-        else:
-            window.progressLabel.setHidden(True)
-
-        window.toolButton_selectAudioFile.clicked.connect(
-            self.openInputFileDialog)
-
-        window.toolButton_selectOutputFile.clicked.connect(
-            self.openOutputFileDialog)
-
-        def changedField():
-            self.autosave()
-            self.updateWindowTitle()
-
-        window.lineEdit_audioFile.textChanged.connect(changedField)
-        window.lineEdit_outputFile.textChanged.connect(changedField)
-
-        window.progressBar_createVideo.setValue(0)
-
-        window.pushButton_createVideo.clicked.connect(
-            self.createAudioVisualisation)
-
-        window.pushButton_Cancel.clicked.connect(self.stopVideo)
-
-        for i, container in enumerate(Core.encoderOptions['containers']):
-            window.comboBox_videoContainer.addItem(container['name'])
-            if container['name'] == self.settings.value('outputContainer'):
-                selectedContainer = i
-
-        window.comboBox_videoContainer.setCurrentIndex(selectedContainer)
-        window.comboBox_videoContainer.currentIndexChanged.connect(
-            self.updateCodecs
-        )
-
-        self.updateCodecs()
-
-        for i in range(window.comboBox_videoCodec.count()):
-            codec = window.comboBox_videoCodec.itemText(i)
-            if codec == self.settings.value('outputVideoCodec'):
-                window.comboBox_videoCodec.setCurrentIndex(i)
-
-        for i in range(window.comboBox_audioCodec.count()):
-            codec = window.comboBox_audioCodec.itemText(i)
-            if codec == self.settings.value('outputAudioCodec'):
-                window.comboBox_audioCodec.setCurrentIndex(i)
-
-        window.comboBox_videoCodec.currentIndexChanged.connect(
-            self.updateCodecSettings
-        )
-
-        window.comboBox_audioCodec.currentIndexChanged.connect(
-            self.updateCodecSettings
-        )
-
-        vBitrate = int(self.settings.value('outputVideoBitrate'))
-        aBitrate = int(self.settings.value('outputAudioBitrate'))
-
-        window.spinBox_vBitrate.setValue(vBitrate)
-        window.spinBox_aBitrate.setValue(aBitrate)
-        window.spinBox_vBitrate.valueChanged.connect(self.updateCodecSettings)
-        window.spinBox_aBitrate.valueChanged.connect(self.updateCodecSettings)
-
-        # Make component buttons
-        self.compMenu = QMenu()
-        for i, comp in enumerate(self.core.modules):
-            action = self.compMenu.addAction(comp.Component.name)
-            action.triggered.connect(
-                lambda _, item=i: self.core.insertComponent(0, item, self)
-            )
-
-        self.window.pushButton_addComponent.setMenu(self.compMenu)
-
-        componentList.dropEvent = self.dragComponent
-        componentList.itemSelectionChanged.connect(
-            self.changeComponentWidget
-        )
-        componentList.itemSelectionChanged.connect(
-            self.presetManager.clearPresetListSelection
-        )
-        self.window.pushButton_removeComponent.clicked.connect(
-            lambda: self.removeComponent()
-        )
-
-        componentList.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
-        componentList.customContextMenuRequested.connect(
-            self.componentContextMenu
-        )
-
-        currentRes = str(self.settings.value('outputWidth'))+'x' + \
-            str(self.settings.value('outputHeight'))
-        for i, res in enumerate(Core.resolutions):
-            window.comboBox_resolution.addItem(res)
-            if res == currentRes:
-                currentRes = i
-                window.comboBox_resolution.setCurrentIndex(currentRes)
-                window.comboBox_resolution.currentIndexChanged.connect(
-                    self.updateResolution
-                )
-
-        self.window.pushButton_listMoveUp.clicked.connect(
-            lambda: self.moveComponent(-1)
-        )
-        self.window.pushButton_listMoveDown.clicked.connect(
-            lambda: self.moveComponent(1)
-        )
-
-        # Configure the Projects Menu
-        self.projectMenu = QMenu()
-        self.window.menuButton_newProject = self.projectMenu.addAction(
-            "New Project"
-        )
-        self.window.menuButton_newProject.triggered.connect(
-            lambda: self.createNewProject()
-        )
-        self.window.menuButton_openProject = self.projectMenu.addAction(
-            "Open Project"
-        )
-        self.window.menuButton_openProject.triggered.connect(
-            lambda: self.openOpenProjectDialog()
-        )
-
-        action = self.projectMenu.addAction("Save Project")
-        action.triggered.connect(self.saveCurrentProject)
-
-        action = self.projectMenu.addAction("Save Project As")
-        action.triggered.connect(self.openSaveProjectDialog)
-
-        self.window.pushButton_projects.setMenu(self.projectMenu)
-
-        # Configure the Presets Button
-        self.window.pushButton_presets.clicked.connect(
-            self.openPresetManager
-        )
-
-        self.updateWindowTitle()
-        window.show()
-
-        if project and project != self.autosavePath:
-            if not project.endswith('.avp'):
-                project += '.avp'
-            # open a project from the commandline
-            if not os.path.dirname(project):
-                project = os.path.join(
-                    self.settings.value("projectDir"), project
-                )
-            self.currentProject = project
-            self.settings.setValue("currentProject", project)
-            if os.path.exists(self.autosavePath):
-                os.remove(self.autosavePath)
-        else:
-            # open the last currentProject from settings
-            self.currentProject = self.settings.value("currentProject")
-
-            # delete autosave if it's identical to this project
-            if self.autosaveExists(identical=True):
-                os.remove(self.autosavePath)
-
-            if self.currentProject and os.path.exists(self.autosavePath):
-                ch = self.showMessage(
-                    msg="Restore unsaved changes in project '%s'?"
-                    % os.path.basename(self.currentProject)[:-4],
-                    showCancel=True)
-                if ch:
-                    self.saveProjectChanges()
-                else:
-                    os.remove(self.autosavePath)
-
-        self.openProject(self.currentProject, prompt=False)
-        self.drawPreview(True)
-
-        # verify Pillow version
-        if not self.settings.value("pilMsgShown") \
-                and 'post' not in Image.PILLOW_VERSION:
-            self.showMessage(
-                msg="You are using the standard version of the "
-                "Python imaging library (Pillow %s). Upgrade "
-                "to the Pillow-SIMD fork to enable hardware accelerations "
-                "and export videos faster." % Image.PILLOW_VERSION
-            )
-            self.settings.setValue("pilMsgShown", True)
-
-        # verify Ffmpeg version
-        if not self.settings.value("ffmpegMsgShown"):
-            try:
-                with open(os.devnull, "w") as f:
-                    ffmpegVers = checkOutput(
-                        ['ffmpeg', '-version'], stderr=f
-                    )
-                goodVersion = str(ffmpegVers).split()[2].startswith('3')
-            except Exception:
-                goodVersion = False
-        else:
-            goodVersion = True
-
-        if not goodVersion:
-            self.showMessage(
-                msg="You're using an old version of Ffmpeg. "
-                "Some features may not work as expected."
-            )
-        self.settings.setValue("ffmpegMsgShown", True)
-
-        # Hotkeys for projects
-        QtWidgets.QShortcut("Ctrl+S", self.window, self.saveCurrentProject)
-        QtWidgets.QShortcut("Ctrl+A", self.window, self.openSaveProjectDialog)
-        QtWidgets.QShortcut("Ctrl+O", self.window, self.openOpenProjectDialog)
-        QtWidgets.QShortcut("Ctrl+N", self.window, self.createNewProject)
-
-        # Hotkeys for component list
-        for inskey in ("Ctrl+T", QtCore.Qt.Key_Insert):
-            QtWidgets.QShortcut(
-                inskey, self.window,
-                activated=lambda: self.window.pushButton_addComponent.click()
-            )
-        for delkey in ("Ctrl+R", QtCore.Qt.Key_Delete):
-            QtWidgets.QShortcut(
-                delkey, self.window.listWidget_componentList,
-                self.removeComponent
-            )
-        QtWidgets.QShortcut(
-            "Ctrl+Space", self.window,
-            activated=lambda: self.window.listWidget_componentList.setFocus()
-        )
-        QtWidgets.QShortcut(
-            "Ctrl+Shift+S", self.window,
-            self.presetManager.openSavePresetDialog
-        )
-        QtWidgets.QShortcut(
-            "Ctrl+Shift+C", self.window, self.presetManager.clearPreset
-        )
-
-        QtWidgets.QShortcut(
-            "Ctrl+Up", self.window.listWidget_componentList,
-            activated=lambda: self.moveComponent(-1)
-        )
-        QtWidgets.QShortcut(
-            "Ctrl+Down", self.window.listWidget_componentList,
-            activated=lambda: self.moveComponent(1)
-        )
-        QtWidgets.QShortcut(
-            "Ctrl+Home", self.window.listWidget_componentList,
-            activated=lambda: self.moveComponent('top')
-        )
-        QtWidgets.QShortcut(
-            "Ctrl+End", self.window.listWidget_componentList,
-            activated=lambda: self.moveComponent('bottom')
-        )
-
-        # Debug Hotkeys
-        QtWidgets.QShortcut(
-            "Ctrl+Alt+Shift+R", self.window, self.drawPreview
-        )
-        QtWidgets.QShortcut(
-            "Ctrl+Alt+Shift+F", self.window, self.showFfmpegCommand
-        )
-
-    @QtCore.pyqtSlot()
-    def cleanUp(self, *args):
-        self.timer.stop()
-        self.previewThread.quit()
-        self.previewThread.wait()
-
-    @disableWhenOpeningProject
-    def updateWindowTitle(self):
-        appName = 'Audio Visualizer'
-        try:
-            if self.currentProject:
-                appName += ' - %s' % \
-                    os.path.splitext(
-                        os.path.basename(self.currentProject))[0]
-            if self.autosaveExists(identical=False):
-                appName += '*'
-        except AttributeError:
-            pass
-        self.window.setWindowTitle(appName)
-
-    @QtCore.pyqtSlot(int, dict)
-    def updateComponentTitle(self, pos, presetStore=False):
-        if type(presetStore) == dict:
-            name = presetStore['preset']
-            if name is None or name not in self.core.savedPresets:
-                modified = False
-            else:
-                modified = (presetStore != self.core.savedPresets[name])
-        else:
-            modified = bool(presetStore)
-        if pos < 0:
-            pos = len(self.core.selectedComponents)-1
-        title = str(self.core.selectedComponents[pos])
-        if self.core.selectedComponents[pos].currentPreset:
-            title += ' - %s' % self.core.selectedComponents[pos].currentPreset
-            if modified:
-                title += '*'
-        self.window.listWidget_componentList.item(pos).setText(title)
-
-    def updateCodecs(self):
-        containerWidget = self.window.comboBox_videoContainer
-        vCodecWidget = self.window.comboBox_videoCodec
-        aCodecWidget = self.window.comboBox_audioCodec
-        index = containerWidget.currentIndex()
-        name = containerWidget.itemText(index)
-        self.settings.setValue('outputContainer', name)
-
-        vCodecWidget.clear()
-        aCodecWidget.clear()
-
-        for container in Core.encoderOptions['containers']:
-            if container['name'] == name:
-                for vCodec in container['video-codecs']:
-                    vCodecWidget.addItem(vCodec)
-                for aCodec in container['audio-codecs']:
-                    aCodecWidget.addItem(aCodec)
-
-    def updateCodecSettings(self):
-        '''Updates settings.ini to match encoder option widgets'''
-        vCodecWidget = self.window.comboBox_videoCodec
-        vBitrateWidget = self.window.spinBox_vBitrate
-        aBitrateWidget = self.window.spinBox_aBitrate
-        aCodecWidget = self.window.comboBox_audioCodec
-        currentVideoCodec = vCodecWidget.currentIndex()
-        currentVideoCodec = vCodecWidget.itemText(currentVideoCodec)
-        currentVideoBitrate = vBitrateWidget.value()
-        currentAudioCodec = aCodecWidget.currentIndex()
-        currentAudioCodec = aCodecWidget.itemText(currentAudioCodec)
-        currentAudioBitrate = aBitrateWidget.value()
-        self.settings.setValue('outputVideoCodec', currentVideoCodec)
-        self.settings.setValue('outputAudioCodec', currentAudioCodec)
-        self.settings.setValue('outputVideoBitrate', currentVideoBitrate)
-        self.settings.setValue('outputAudioBitrate', currentAudioBitrate)
-
-    @disableWhenOpeningProject
-    def autosave(self, force=False):
-        if not self.currentProject:
-            if os.path.exists(self.autosavePath):
-                os.remove(self.autosavePath)
-        elif force or time.time() - self.lastAutosave >= self.autosaveCooldown:
-            self.core.createProjectFile(self.autosavePath, self.window)
-            self.lastAutosave = time.time()
-            if len(self.autosaveTimes) >= 5:
-                # Do some math to reduce autosave spam. This gives a smooth
-                # curve up to 5 seconds cooldown and maintains that for 30 secs
-                # if a component is continuously updated
-                timeDiff = self.lastAutosave - self.autosaveTimes.pop()
-                if not force and timeDiff >= 1.0 \
-                        and timeDiff <= 10.0:
-                    if self.autosaveCooldown / 4.0 < 0.5:
-                        self.autosaveCooldown += 1.0
-                    self.autosaveCooldown = (
-                            5.0 * (self.autosaveCooldown / 5.0)
-                        ) + (self.autosaveCooldown / 5.0) * 2
-                elif force or timeDiff >= self.autosaveCooldown * 5:
-                    self.autosaveCooldown = 0.2
-            self.autosaveTimes.insert(0, self.lastAutosave)
-
-    def autosaveExists(self, identical=True):
-        '''Determines if creating the autosave should be blocked.'''
-        try:
-            if self.currentProject and os.path.exists(self.autosavePath) \
-                and filecmp.cmp(
-                    self.autosavePath, self.currentProject) == identical:
-                return True
-        except FileNotFoundError:
-            print('project file couldn\'t be located:', self.currentProject)
-            return identical
-        return False
-
-    def saveProjectChanges(self):
-        '''Overwrites project file with autosave file'''
-        try:
-            os.remove(self.currentProject)
-            os.rename(self.autosavePath, self.currentProject)
-            return True
-        except (FileNotFoundError, IsADirectoryError) as e:
-            self.showMessage(
-                msg='Project file couldn\'t be saved.',
-                detail=str(e))
-            return False
-
-    def openInputFileDialog(self):
-        inputDir = self.settings.value("inputDir", os.path.expanduser("~"))
-
-        fileName, _ = QtWidgets.QFileDialog.getOpenFileName(
-            self.window, "Open Audio File",
-            inputDir, "Audio Files (%s)" % " ".join(Core.audioFormats))
-
-        if fileName:
-            self.settings.setValue("inputDir", os.path.dirname(fileName))
-            self.window.lineEdit_audioFile.setText(fileName)
-
-    def openOutputFileDialog(self):
-        outputDir = self.settings.value("outputDir", os.path.expanduser("~"))
-
-        fileName, _ = QtWidgets.QFileDialog.getSaveFileName(
-            self.window, "Set Output Video File",
-            outputDir,
-            "Video Files (%s);; All Files (*)" % " ".join(
-                Core.videoFormats))
-
-        if fileName:
-            self.settings.setValue("outputDir", os.path.dirname(fileName))
-            self.window.lineEdit_outputFile.setText(fileName)
-
-    def stopVideo(self):
-        print('stop')
-        self.videoWorker.cancel()
-        self.canceled = True
-
-    def createAudioVisualisation(self):
-        # create output video if mandatory settings are filled in
-        audioFile = self.window.lineEdit_audioFile.text()
-        outputPath = self.window.lineEdit_outputFile.text()
-
-        if audioFile and outputPath and self.core.selectedComponents:
-            if not os.path.dirname(outputPath):
-                outputPath = os.path.join(
-                    os.path.expanduser("~"), outputPath)
-            if outputPath and os.path.isdir(outputPath):
-                self.showMessage(
-                    msg='Chosen filename matches a directory, which '
-                        'cannot be overwritten. Please choose a different '
-                        'filename or move the directory.',
-                    icon='Warning',
-                )
-                return
-        else:
-            if not audioFile or not outputPath:
-                self.showMessage(
-                    msg="You must select an audio file and output filename."
-                )
-            elif not self.core.selectedComponents:
-                self.showMessage(
-                    msg="Not enough components."
-                )
-            return
-
-        self.canceled = False
-        self.progressBarUpdated(-1)
-        self.videoWorker = self.core.newVideoWorker(
-            self, audioFile, outputPath
-        )
-        self.videoWorker.progressBarUpdate.connect(self.progressBarUpdated)
-        self.videoWorker.progressBarSetText.connect(
-            self.progressBarSetText)
-        self.videoWorker.imageCreated.connect(self.showPreviewImage)
-        self.videoWorker.encoding.connect(self.changeEncodingStatus)
-        self.createVideo.emit()
-
-    @QtCore.pyqtSlot(str, str)
-    def videoThreadError(self, msg, detail):
-        try:
-            self.stopVideo()
-        except AttributeError as e:
-            if 'videoWorker' not in str(e):
-                raise
-        self.showMessage(
-            msg=msg,
-            detail=detail,
-            icon='Critical',
-        )
-
-    def changeEncodingStatus(self, status):
-        self.encoding = status
-        if status:
-            self.window.pushButton_createVideo.setEnabled(False)
-            self.window.pushButton_Cancel.setEnabled(True)
-            self.window.comboBox_resolution.setEnabled(False)
-            self.window.stackedWidget.setEnabled(False)
-            self.window.tab_encoderSettings.setEnabled(False)
-            self.window.label_audioFile.setEnabled(False)
-            self.window.toolButton_selectAudioFile.setEnabled(False)
-            self.window.label_outputFile.setEnabled(False)
-            self.window.toolButton_selectOutputFile.setEnabled(False)
-            self.window.lineEdit_audioFile.setEnabled(False)
-            self.window.lineEdit_outputFile.setEnabled(False)
-            self.window.pushButton_addComponent.setEnabled(False)
-            self.window.pushButton_removeComponent.setEnabled(False)
-            self.window.pushButton_listMoveDown.setEnabled(False)
-            self.window.pushButton_listMoveUp.setEnabled(False)
-            self.window.menuButton_newProject.setEnabled(False)
-            self.window.menuButton_openProject.setEnabled(False)
-            if sys.platform == 'darwin':
-                self.window.progressLabel.setHidden(False)
-            else:
-                self.window.listWidget_componentList.setEnabled(False)
-        else:
-            self.window.pushButton_createVideo.setEnabled(True)
-            self.window.pushButton_Cancel.setEnabled(False)
-            self.window.comboBox_resolution.setEnabled(True)
-            self.window.stackedWidget.setEnabled(True)
-            self.window.tab_encoderSettings.setEnabled(True)
-            self.window.label_audioFile.setEnabled(True)
-            self.window.toolButton_selectAudioFile.setEnabled(True)
-            self.window.lineEdit_audioFile.setEnabled(True)
-            self.window.label_outputFile.setEnabled(True)
-            self.window.toolButton_selectOutputFile.setEnabled(True)
-            self.window.lineEdit_outputFile.setEnabled(True)
-            self.window.pushButton_addComponent.setEnabled(True)
-            self.window.pushButton_removeComponent.setEnabled(True)
-            self.window.pushButton_listMoveDown.setEnabled(True)
-            self.window.pushButton_listMoveUp.setEnabled(True)
-            self.window.menuButton_newProject.setEnabled(True)
-            self.window.menuButton_openProject.setEnabled(True)
-            self.window.listWidget_componentList.setEnabled(True)
-            self.window.progressLabel.setHidden(True)
-            self.drawPreview(True)
-
-    @QtCore.pyqtSlot(int)
-    def progressBarUpdated(self, value):
-        self.window.progressBar_createVideo.setValue(value)
-
-    @QtCore.pyqtSlot(str)
-    def progressBarSetText(self, value):
-        if sys.platform == 'darwin':
-            self.window.progressLabel.setText(value)
-        else:
-            self.window.progressBar_createVideo.setFormat(value)
-
-    def updateResolution(self):
-        resIndex = int(self.window.comboBox_resolution.currentIndex())
-        res = Core.resolutions[resIndex].split('x')
-        changed = res[0] != self.settings.value("outputWidth")
-        self.settings.setValue('outputWidth', res[0])
-        self.settings.setValue('outputHeight', res[1])
-        if changed:
-            for i in range(len(self.core.selectedComponents)):
-                self.core.updateComponent(i)
-
-    def drawPreview(self, force=False, **kwargs):
-        '''Use autosave keyword arg to force saving or not saving if needed'''
-        self.newTask.emit(self.core.selectedComponents)
-        # self.processTask.emit()
-        if force or 'autosave' in kwargs:
-            if force or kwargs['autosave']:
-                self.autosave(True)
-        else:
-            self.autosave()
-        self.updateWindowTitle()
-
-    @QtCore.pyqtSlot(QtGui.QImage)
-    def showPreviewImage(self, image):
-        self.previewWindow.changePixmap(image)
-
-    def showFfmpegCommand(self):
-        from textwrap import wrap
-        from toolkit.ffmpeg import createFfmpegCommand
-        command = createFfmpegCommand(
-            self.window.lineEdit_audioFile.text(),
-            self.window.lineEdit_outputFile.text(),
-            self.core.selectedComponents
-        )
-        lines = wrap(" ".join(command), 49)
-        self.showMessage(
-            msg="Current FFmpeg command:\n\n %s" % " ".join(lines)
-        )
-
-    def insertComponent(self, index):
-        componentList = self.window.listWidget_componentList
-        stackedWidget = self.window.stackedWidget
-
-        componentList.insertItem(
-            index,
-            self.core.selectedComponents[index].name)
-        componentList.setCurrentRow(index)
-
-        # connect to signal that adds an asterisk when modified
-        self.core.selectedComponents[index].modified.connect(
-            self.updateComponentTitle)
-
-        self.pages.insert(index, self.core.selectedComponents[index].page)
-        stackedWidget.insertWidget(index, self.pages[index])
-        stackedWidget.setCurrentIndex(index)
-
-        return index
-
-    def removeComponent(self):
-        componentList = self.window.listWidget_componentList
-
-        for selected in componentList.selectedItems():
-            index = componentList.row(selected)
-            self.window.stackedWidget.removeWidget(self.pages[index])
-            componentList.takeItem(index)
-            self.core.removeComponent(index)
-            self.pages.pop(index)
-            self.changeComponentWidget()
-        self.drawPreview()
-
-    @disableWhenEncoding
-    def moveComponent(self, change):
-        '''Moves a component relatively from its current position'''
-        componentList = self.window.listWidget_componentList
-        if change == 'top':
-            change = -componentList.currentRow()
-        elif change == 'bottom':
-            change = len(componentList)-componentList.currentRow()-1
-        stackedWidget = self.window.stackedWidget
-
-        row = componentList.currentRow()
-        newRow = row + change
-        if newRow > -1 and newRow < componentList.count():
-            self.core.moveComponent(row, newRow)
-
-            # update widgets
-            page = self.pages.pop(row)
-            self.pages.insert(newRow, page)
-            item = componentList.takeItem(row)
-            newItem = componentList.insertItem(newRow, item)
-            widget = stackedWidget.removeWidget(page)
-            stackedWidget.insertWidget(newRow, page)
-            componentList.setCurrentRow(newRow)
-            stackedWidget.setCurrentIndex(newRow)
-            self.drawPreview(True)
-
-    def getComponentListMousePos(self, position):
-        '''
-        Given a QPos, returns the component index under the mouse cursor
-        or -1 if no component is there.
-        '''
-        componentList = self.window.listWidget_componentList
-
-        modelIndexes = [
-            componentList.model().index(i)
-            for i in range(componentList.count())
-        ]
-        rects = [
-            componentList.visualRect(modelIndex)
-            for modelIndex in modelIndexes
-        ]
-        mousePos = [rect.contains(position) for rect in rects]
-        if not any(mousePos):
-            # Not clicking a component
-            mousePos = -1
-        else:
-            mousePos = mousePos.index(True)
-        return mousePos
-
-    @disableWhenEncoding
-    def dragComponent(self, event):
-        '''Used as Qt drop event for the component listwidget'''
-        componentList = self.window.listWidget_componentList
-        mousePos = self.getComponentListMousePos(event.pos())
-        if mousePos > -1:
-            change = (componentList.currentRow() - mousePos) * -1
-        else:
-            change = (componentList.count() - componentList.currentRow() - 1)
-        self.moveComponent(change)
-
-    def changeComponentWidget(self):
-        selected = self.window.listWidget_componentList.selectedItems()
-        if selected:
-            index = self.window.listWidget_componentList.row(selected[0])
-            self.window.stackedWidget.setCurrentIndex(index)
-
-    def openPresetManager(self):
-        '''Preset manager for importing, exporting, renaming, deleting'''
-        self.presetManager.show()
-
-    def clear(self):
-        '''Get a blank slate'''
-        self.core.clearComponents()
-        self.window.listWidget_componentList.clear()
-        for widget in self.pages:
-            self.window.stackedWidget.removeWidget(widget)
-        self.pages = []
-        for field in (
-                self.window.lineEdit_audioFile,
-                self.window.lineEdit_outputFile
-                ):
-            field.blockSignals(True)
-            field.setText('')
-            field.blockSignals(False)
-        self.progressBarUpdated(0)
-        self.progressBarSetText('')
-
-    @disableWhenEncoding
-    def createNewProject(self, prompt=True):
-        if prompt:
-            self.openSaveChangesDialog('starting a new project')
-
-        self.clear()
-        self.currentProject = None
-        self.settings.setValue("currentProject", None)
-        self.drawPreview(True)
-
-    def saveCurrentProject(self):
-        if self.currentProject:
-            self.core.createProjectFile(self.currentProject, self.window)
-            try:
-                os.remove(self.autosavePath)
-            except FileNotFoundError:
-                pass
-            self.updateWindowTitle()
-        else:
-            self.openSaveProjectDialog()
-
-    def openSaveChangesDialog(self, phrase):
-        success = True
-        if self.autosaveExists(identical=False):
-            ch = self.showMessage(
-                msg="You have unsaved changes in project '%s'. "
-                "Save before %s?" % (
-                    os.path.basename(self.currentProject)[:-4],
-                    phrase
-                ),
-                showCancel=True)
-            if ch:
-                success = self.saveProjectChanges()
-
-        if success and os.path.exists(self.autosavePath):
-            os.remove(self.autosavePath)
-
-    def openSaveProjectDialog(self):
-        filename, _ = QtWidgets.QFileDialog.getSaveFileName(
-            self.window, "Create Project File",
-            self.settings.value("projectDir"),
-            "Project Files (*.avp)")
-        if not filename:
-            return
-        if not filename.endswith(".avp"):
-            filename += '.avp'
-        self.settings.setValue("projectDir", os.path.dirname(filename))
-        self.settings.setValue("currentProject", filename)
-        self.currentProject = filename
-        self.core.createProjectFile(filename, self.window)
-        self.updateWindowTitle()
-
-    @disableWhenEncoding
-    def openOpenProjectDialog(self):
-        filename, _ = QtWidgets.QFileDialog.getOpenFileName(
-            self.window, "Open Project File",
-            self.settings.value("projectDir"),
-            "Project Files (*.avp)")
-        self.openProject(filename)
-
-    def openProject(self, filepath, prompt=True):
-        if not filepath or not os.path.exists(filepath) \
-          or not filepath.endswith('.avp'):
-            return
-
-        self.clear()
-        # ask to save any changes that are about to get deleted
-        if prompt:
-            self.openSaveChangesDialog('opening another project')
-
-        self.currentProject = filepath
-        self.settings.setValue("currentProject", filepath)
-        self.settings.setValue("projectDir", os.path.dirname(filepath))
-        # actually load the project using core method
-        self.core.openProject(self, filepath)
-        self.drawPreview(autosave=False)
-        self.updateWindowTitle()
-
-    def showMessage(self, **kwargs):
-        parent = kwargs['parent'] if 'parent' in kwargs else self.window
-        msg = QtWidgets.QMessageBox(parent)
-        msg.setModal(True)
-        msg.setText(kwargs['msg'])
-        msg.setIcon(
-            eval('QtWidgets.QMessageBox.%s' % kwargs['icon'])
-            if 'icon' in kwargs else QtWidgets.QMessageBox.Information
-        )
-        msg.setDetailedText(kwargs['detail'] if 'detail' in kwargs else None)
-        if 'showCancel'in kwargs and kwargs['showCancel']:
-            msg.setStandardButtons(
-                QtWidgets.QMessageBox.Ok | QtWidgets.QMessageBox.Cancel)
-        else:
-            msg.setStandardButtons(QtWidgets.QMessageBox.Ok)
-        ch = msg.exec_()
-        if ch == 1024:
-            return True
-        return False
-
-    @disableWhenEncoding
-    def componentContextMenu(self, QPos):
-        '''Appears when right-clicking the component list'''
-        componentList = self.window.listWidget_componentList
-        self.menu = QMenu()
-        parentPosition = componentList.mapToGlobal(QtCore.QPoint(0, 0))
-
-        index = self.getComponentListMousePos(QPos)
-        if index > -1:
-            # Show preset menu if clicking a component
-            self.presetManager.findPresets()
-            menuItem = self.menu.addAction("Save Preset")
-            menuItem.triggered.connect(
-                self.presetManager.openSavePresetDialog
-            )
-
-            # submenu for opening presets
-            try:
-                presets = self.presetManager.presets[
-                    str(self.core.selectedComponents[index])
-                ]
-                self.presetSubmenu = QMenu("Open Preset")
-                self.menu.addMenu(self.presetSubmenu)
-
-                for version, presetName in presets:
-                    menuItem = self.presetSubmenu.addAction(presetName)
-                    menuItem.triggered.connect(
-                        lambda _, presetName=presetName:
-                            self.presetManager.openPreset(presetName)
-                    )
-            except KeyError:
-                pass
-
-            if self.core.selectedComponents[index].currentPreset:
-                menuItem = self.menu.addAction("Clear Preset")
-                menuItem.triggered.connect(
-                    self.presetManager.clearPreset
-                )
-            self.menu.addSeparator()
-
-        # "Add Component" submenu
-        self.submenu = QMenu("Add")
-        self.menu.addMenu(self.submenu)
-        insertCompAtTop = self.settings.value("pref_insertCompAtTop")
-        for i, comp in enumerate(self.core.modules):
-            menuItem = self.submenu.addAction(comp.Component.name)
-            menuItem.triggered.connect(
-                lambda _, item=i: self.core.insertComponent(
-                    0 if insertCompAtTop else index, item, self
-                )
-            )
-
-        self.menu.move(parentPosition + QPos)
-        self.menu.show()
-
-    def eventFilter(self, object, event):
-        if event.type() == QtCore.QEvent.WindowActivate \
-                or event.type() == QtCore.QEvent.FocusIn:
-            Core.windowHasFocus = True
-        elif event.type() == QtCore.QEvent.WindowDeactivate \
-                or event.type() == QtCore.QEvent.FocusOut:
-                    Core.windowHasFocus = False
-        return False