641 lines
25 KiB
Python
641 lines
25 KiB
Python
from os.path import expanduser
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from queue import Queue
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from collections import OrderedDict
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from PyQt4 import QtCore, QtGui, uic
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from PyQt4.QtCore import QSettings, Qt
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from PyQt4.QtGui import QMenu
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import sys
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import os
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import signal
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import filecmp
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import time
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import core
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import preview_thread
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import video_thread
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from presetmanager import PresetManager
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from main import LoadDefaultSettings
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class PreviewWindow(QtGui.QLabel):
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def __init__(self, parent, img):
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super(PreviewWindow, self).__init__()
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self.parent = parent
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self.setFrameStyle(QtGui.QFrame.StyledPanel)
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self.pixmap = QtGui.QPixmap(img)
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def paintEvent(self, event):
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size = self.size()
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painter = QtGui.QPainter(self)
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point = QtCore.QPoint(0, 0)
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scaledPix = self.pixmap.scaled(
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size, Qt.KeepAspectRatio, transformMode=Qt.SmoothTransformation)
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# start painting the label from left upper corner
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point.setX((size.width() - scaledPix.width())/2)
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point.setY((size.height() - scaledPix.height())/2)
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painter.drawPixmap(point, scaledPix)
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def changePixmap(self, img):
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self.pixmap = QtGui.QPixmap(img)
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self.repaint()
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class MainWindow(QtCore.QObject):
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newTask = QtCore.pyqtSignal(list)
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processTask = QtCore.pyqtSignal()
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videoTask = QtCore.pyqtSignal(str, str, list)
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def __init__(self, window):
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QtCore.QObject.__init__(self)
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# print('main thread id: {}'.format(QtCore.QThread.currentThreadId()))
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self.window = window
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self.core = core.Core()
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self.pages = [] # widgets of component settings
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self.componentRows = [] # (moduleIndex, QListWidgetItem) tuples
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self.lastAutosave = time.time()
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# Create data directory, load/create settings
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self.dataDir = self.core.dataDir
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self.autosavePath = os.path.join(self.dataDir, 'autosave.avp')
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self.settings = QSettings(
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os.path.join(self.dataDir, 'settings.ini'), QSettings.IniFormat)
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LoadDefaultSettings(self)
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self.presetManager = PresetManager(
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uic.loadUi(
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os.path.join(os.path.dirname(os.path.realpath(__file__)),
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'presetmanager.ui')),
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self)
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if not os.path.exists(self.dataDir):
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os.makedirs(self.dataDir)
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for neededDirectory in (
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self.core.presetDir, self.settings.value("projectDir")):
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if not os.path.exists(neededDirectory):
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os.mkdir(neededDirectory)
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# Make queues/timers for the preview thread
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self.previewQueue = Queue()
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self.previewThread = QtCore.QThread(self)
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self.previewWorker = preview_thread.Worker(self, self.previewQueue)
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self.previewWorker.moveToThread(self.previewThread)
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self.previewWorker.imageCreated.connect(self.showPreviewImage)
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self.previewThread.start()
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self.timer = QtCore.QTimer(self)
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self.timer.timeout.connect(self.processTask.emit)
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self.timer.start(500)
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# Begin decorating the window and connecting events
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componentList = self.window.listWidget_componentList
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window.toolButton_selectAudioFile.clicked.connect(
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self.openInputFileDialog)
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window.toolButton_selectOutputFile.clicked.connect(
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self.openOutputFileDialog)
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window.progressBar_createVideo.setValue(0)
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window.pushButton_createVideo.clicked.connect(
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self.createAudioVisualisation)
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window.pushButton_Cancel.clicked.connect(self.stopVideo)
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window.setWindowTitle("Audio Visualizer")
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for i, container in enumerate(self.core.encoder_options['containers']):
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window.comboBox_videoContainer.addItem(container['name'])
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if container['name'] == self.settings.value('outputContainer'):
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selectedContainer = i
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window.comboBox_videoContainer.setCurrentIndex(selectedContainer)
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window.comboBox_videoContainer.currentIndexChanged.connect(
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self.updateCodecs
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)
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self.updateCodecs()
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for i in range(window.comboBox_videoCodec.count()):
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codec = window.comboBox_videoCodec.itemText(i)
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if codec == self.settings.value('outputVideoCodec'):
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window.comboBox_videoCodec.setCurrentIndex(i)
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#print(codec)
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for i in range(window.comboBox_audioCodec.count()):
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codec = window.comboBox_audioCodec.itemText(i)
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if codec == self.settings.value('outputAudioCodec'):
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window.comboBox_audioCodec.setCurrentIndex(i)
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window.comboBox_videoCodec.currentIndexChanged.connect(
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self.updateCodecSettings
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)
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window.comboBox_audioCodec.currentIndexChanged.connect(
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self.updateCodecSettings
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)
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vBitrate = int(self.settings.value('outputVideoBitrate'))
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aBitrate = int(self.settings.value('outputAudioBitrate'))
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window.spinBox_vBitrate.setValue(vBitrate)
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window.spinBox_aBitrate.setValue(aBitrate)
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window.spinBox_vBitrate.valueChanged.connect(self.updateCodecSettings)
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window.spinBox_aBitrate.valueChanged.connect(self.updateCodecSettings)
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self.previewWindow = PreviewWindow(self, os.path.join(
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os.path.dirname(os.path.realpath(__file__)), "background.png"))
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window.verticalLayout_previewWrapper.addWidget(self.previewWindow)
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# Make component buttons
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self.compMenu = QMenu()
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for i, comp in enumerate(self.core.modules):
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action = self.compMenu.addAction(comp.Component.__doc__)
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action.triggered[()].connect(
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lambda item=i: self.insertComponent(item))
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self.window.pushButton_addComponent.setMenu(self.compMenu)
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componentList.dropEvent = self.componentListChanged
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componentList.clicked.connect(
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lambda _: self.changeComponentWidget())
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self.window.pushButton_removeComponent.clicked.connect(
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lambda _: self.removeComponent())
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componentList.setContextMenuPolicy(
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QtCore.Qt.CustomContextMenu)
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componentList.connect(
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componentList,
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QtCore.SIGNAL("customContextMenuRequested(QPoint)"),
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self.componentContextMenu)
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currentRes = str(self.settings.value('outputWidth'))+'x' + \
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str(self.settings.value('outputHeight'))
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for i, res in enumerate(self.resolutions):
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window.comboBox_resolution.addItem(res)
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if res == currentRes:
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currentRes = i
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window.comboBox_resolution.setCurrentIndex(currentRes)
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window.comboBox_resolution.currentIndexChanged.connect(
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self.updateResolution)
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self.window.pushButton_listMoveUp.clicked.connect(
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lambda: self.moveComponent(-1)
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)
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self.window.pushButton_listMoveDown.clicked.connect(
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lambda: self.moveComponent(1)
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)
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# Configure the Projects Menu
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self.projectMenu = QMenu()
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action = self.projectMenu.addAction("New Project")
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action.triggered[()].connect(self.createNewProject)
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action = self.projectMenu.addAction("Open Project")
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action.triggered[()].connect(self.openOpenProjectDialog)
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action = self.projectMenu.addAction("Save Project")
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action.triggered[()].connect(self.saveCurrentProject)
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action = self.projectMenu.addAction("Save Project As")
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action.triggered[()].connect(self.openSaveProjectDialog)
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self.window.pushButton_projects.setMenu(self.projectMenu)
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# Configure the Presets Button
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self.window.pushButton_presets.clicked.connect(
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self.openPresetManager
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)
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# Show the window and load current project
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window.show()
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self.currentProject = self.settings.value("currentProject")
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if self.autosaveExists():
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# delete autosave if it's identical to the project
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os.remove(self.autosavePath)
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if self.currentProject and os.path.exists(self.autosavePath):
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ch = self.showMessage(
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msg="Restore unsaved changes in project '%s'?"
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% os.path.basename(self.currentProject)[:-4],
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showCancel=True)
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if ch:
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os.remove(self.currentProject)
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os.rename(self.autosavePath, self.currentProject)
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else:
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os.remove(self.autosavePath)
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self.openProject(self.currentProject)
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self.drawPreview()
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def cleanUp(self):
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self.timer.stop()
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self.previewThread.quit()
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self.previewThread.wait()
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self.autosave()
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def updateComponentTitle(self, pos):
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if pos < 0:
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pos = len(self.core.selectedComponents)-1
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title = str(self.core.selectedComponents[pos])
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if self.core.selectedComponents[pos].currentPreset:
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title += ' - %s' % self.core.selectedComponents[pos].currentPreset
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self.window.listWidget_componentList.item(pos).setText(title)
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def updateCodecs(self):
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containerWidget = self.window.comboBox_videoContainer
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vCodecWidget = self.window.comboBox_videoCodec
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aCodecWidget = self.window.comboBox_audioCodec
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index = containerWidget.currentIndex()
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name = containerWidget.itemText(index)
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self.settings.setValue('outputContainer', name)
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vCodecWidget.clear()
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aCodecWidget.clear()
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for container in self.core.encoder_options['containers']:
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if container['name'] == name:
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for vCodec in container['video-codecs']:
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vCodecWidget.addItem(vCodec)
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for aCodec in container['audio-codecs']:
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aCodecWidget.addItem(aCodec)
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def updateCodecSettings(self):
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vCodecWidget = self.window.comboBox_videoCodec
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vBitrateWidget = self.window.spinBox_vBitrate
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aBitrateWidget = self.window.spinBox_aBitrate
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aCodecWidget = self.window.comboBox_audioCodec
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currentVideoCodec = vCodecWidget.currentIndex()
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currentVideoCodec = vCodecWidget.itemText(currentVideoCodec)
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currentVideoBitrate = vBitrateWidget.value()
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currentAudioCodec = aCodecWidget.currentIndex()
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currentAudioCodec = aCodecWidget.itemText(currentAudioCodec)
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currentAudioBitrate = aBitrateWidget.value()
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self.settings.setValue('outputVideoCodec', currentVideoCodec)
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self.settings.setValue('outputAudioCodec', currentAudioCodec)
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self.settings.setValue('outputVideoBitrate', currentVideoBitrate)
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self.settings.setValue('outputAudioBitrate', currentAudioBitrate)
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def autosave(self):
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if not self.currentProject:
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if os.path.exists(self.autosavePath):
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os.remove(self.autosavePath)
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elif time.time() - self.lastAutosave >= 2.0:
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self.core.createProjectFile(self.autosavePath)
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self.lastAutosave = time.time()
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def autosaveExists(self):
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if self.currentProject and os.path.exists(self.autosavePath) \
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and filecmp.cmp(self.autosavePath, self.currentProject):
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return True
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else:
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return False
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def openInputFileDialog(self):
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inputDir = self.settings.value("inputDir", expanduser("~"))
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fileName = QtGui.QFileDialog.getOpenFileName(
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self.window, "Open Music File",
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inputDir, "Music Files (*.mp3 *.wav *.ogg *.fla *.aac)")
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if not fileName == "":
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self.settings.setValue("inputDir", os.path.dirname(fileName))
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self.window.lineEdit_audioFile.setText(fileName)
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def openOutputFileDialog(self):
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outputDir = self.settings.value("outputDir", expanduser("~"))
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fileName = QtGui.QFileDialog.getSaveFileName(
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self.window, "Set Output Video File",
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outputDir, "Video Files (*.mp4 *.mov *.mkv *.avi *.webm *.flv)")
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if not fileName == "":
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self.settings.setValue("outputDir", os.path.dirname(fileName))
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self.window.lineEdit_outputFile.setText(fileName)
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def stopVideo(self):
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print('stop')
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self.videoWorker.cancel()
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self.canceled = True
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def createAudioVisualisation(self):
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# create output video if mandatory settings are filled in
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if self.window.lineEdit_audioFile.text() and \
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self.window.lineEdit_outputFile.text():
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self.canceled = False
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self.progressBarUpdated(-1)
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ffmpeg_cmd = self.settings.value("ffmpeg_cmd", expanduser("~"))
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self.videoThread = QtCore.QThread(self)
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self.videoWorker = video_thread.Worker(self)
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self.videoWorker.moveToThread(self.videoThread)
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self.videoWorker.videoCreated.connect(self.videoCreated)
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self.videoWorker.progressBarUpdate.connect(self.progressBarUpdated)
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self.videoWorker.progressBarSetText.connect(
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self.progressBarSetText)
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self.videoWorker.imageCreated.connect(self.showPreviewImage)
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self.videoWorker.encoding.connect(self.changeEncodingStatus)
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self.videoThread.start()
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self.videoTask.emit(
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self.window.lineEdit_audioFile.text(),
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self.window.lineEdit_outputFile.text(),
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self.core.selectedComponents)
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else:
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self.showMessage(
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msg="You must select an audio file and output filename.")
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def progressBarUpdated(self, value):
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self.window.progressBar_createVideo.setValue(value)
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def changeEncodingStatus(self, status):
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if status:
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self.window.pushButton_createVideo.setEnabled(False)
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self.window.pushButton_Cancel.setEnabled(True)
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self.window.comboBox_resolution.setEnabled(False)
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self.window.stackedWidget.setEnabled(False)
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self.window.tab_encoderSettings.setEnabled(False)
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self.window.label_audioFile.setEnabled(False)
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self.window.toolButton_selectAudioFile.setEnabled(False)
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self.window.label_outputFile.setEnabled(False)
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self.window.toolButton_selectOutputFile.setEnabled(False)
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self.window.lineEdit_audioFile.setEnabled(False)
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self.window.lineEdit_outputFile.setEnabled(False)
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self.window.pushButton_addComponent.setEnabled(False)
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self.window.pushButton_removeComponent.setEnabled(False)
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self.window.pushButton_listMoveDown.setEnabled(False)
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self.window.pushButton_listMoveUp.setEnabled(False)
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self.window.pushButton_presets.setEnabled(False)
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self.window.listWidget_componentList.setEnabled(False)
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else:
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self.window.pushButton_createVideo.setEnabled(True)
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self.window.pushButton_Cancel.setEnabled(False)
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self.window.comboBox_resolution.setEnabled(True)
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self.window.stackedWidget.setEnabled(True)
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self.window.tab_encoderSettings.setEnabled(True)
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self.window.label_audioFile.setEnabled(True)
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self.window.toolButton_selectAudioFile.setEnabled(True)
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self.window.lineEdit_audioFile.setEnabled(True)
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self.window.label_outputFile.setEnabled(True)
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self.window.toolButton_selectOutputFile.setEnabled(True)
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self.window.lineEdit_outputFile.setEnabled(True)
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self.window.pushButton_addComponent.setEnabled(True)
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self.window.pushButton_removeComponent.setEnabled(True)
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self.window.pushButton_listMoveDown.setEnabled(True)
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self.window.pushButton_listMoveUp.setEnabled(True)
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self.window.pushButton_presets.setEnabled(True)
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self.window.listWidget_componentList.setEnabled(True)
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def progressBarSetText(self, value):
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self.window.progressBar_createVideo.setFormat(value)
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def videoCreated(self):
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self.videoThread.quit()
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self.videoThread.wait()
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def updateResolution(self):
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resIndex = int(self.window.comboBox_resolution.currentIndex())
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res = self.resolutions[resIndex].split('x')
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self.settings.setValue('outputWidth', res[0])
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self.settings.setValue('outputHeight', res[1])
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self.drawPreview()
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def drawPreview(self):
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self.newTask.emit(self.core.selectedComponents)
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# self.processTask.emit()
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self.autosave()
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def showPreviewImage(self, image):
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self.previewWindow.changePixmap(image)
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def insertComponent(self, moduleIndex, compPos=0):
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componentList = self.window.listWidget_componentList
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stackedWidget = self.window.stackedWidget
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if compPos < 0:
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compPos = componentList.count()
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index = self.core.insertComponent(
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compPos, moduleIndex)
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row = componentList.insertItem(
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index,
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self.core.selectedComponents[index].__doc__)
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self.componentRows.insert(compPos, (moduleIndex, row))
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componentList.setCurrentRow(index)
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self.pages.insert(index, self.core.selectedComponents[index].widget(self))
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stackedWidget.insertWidget(index, self.pages[index])
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stackedWidget.setCurrentIndex(index)
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self.core.updateComponent(index)
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def removeComponent(self):
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componentList = self.window.listWidget_componentList
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for selected in componentList.selectedItems():
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index = componentList.row(selected)
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self.window.stackedWidget.removeWidget(self.pages[index])
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componentList.takeItem(index)
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self.componentRows.pop(index)
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self.core.selectedComponents.pop(index)
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self.pages.pop(index)
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self.changeComponentWidget()
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self.drawPreview()
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def moveComponent(self, change):
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'''Moves a component relatively from its current position'''
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componentList = self.window.listWidget_componentList
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stackedWidget = self.window.stackedWidget
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row = componentList.currentRow()
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newRow = row + change
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if newRow > -1 and newRow < componentList.count():
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self.core.moveComponent(row, newRow)
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# update widgets
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page = self.pages.pop(row)
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self.pages.insert(newRow, page)
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item = componentList.takeItem(row)
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newItem = componentList.insertItem(newRow, item)
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widget = stackedWidget.removeWidget(page)
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stackedWidget.insertWidget(newRow, page)
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componentList.setCurrentRow(newRow)
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stackedWidget.setCurrentIndex(newRow)
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self.componentRows.pop(row)
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self.componentRows.insert(newRow, (self.core.moduleIndexFor(row), newItem))
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self.drawPreview()
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def componentListChanged(self, *args):
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'''Update all our tracking variables to match the widget'''
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pass
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def changeComponentWidget(self):
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selected = self.window.listWidget_componentList.selectedItems()
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if selected:
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index = self.window.listWidget_componentList.row(selected[0])
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self.window.stackedWidget.setCurrentIndex(index)
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def openPresetManager(self):
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'''Preset manager for importing, exporting, renaming, deleting'''
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self.presetManager.show()
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def clear(self):
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'''Get a blank slate'''
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self.core.selectedComponents = []
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self.window.listWidget_componentList.clear()
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for widget in self.pages:
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self.window.stackedWidget.removeWidget(widget)
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self.pages = []
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def createNewProject(self):
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if self.autosaveExists():
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ch = self.showMessage(
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msg="You have unsaved changes in project '%s'. "
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"Save before starting a new project?"
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% os.path.basename(self.currentProject)[:-4],
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showCancel=True)
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if ch:
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self.saveCurrentProject()
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self.clear()
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self.currentProject = None
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self.settings.setValue("currentProject", None)
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self.drawPreview()
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def saveCurrentProject(self):
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if self.currentProject:
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self.core.createProjectFile(self.currentProject)
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else:
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self.openSaveProjectDialog()
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def openSaveProjectDialog(self):
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filename = QtGui.QFileDialog.getSaveFileName(
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self.window, "Create Project File",
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self.settings.value("projectDir"),
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"Project Files (*.avp)")
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if not filename:
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return
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self.settings.setValue("projectDir", os.path.dirname(filename))
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self.settings.setValue("currentProject", filename)
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self.currentProject = filename
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self.core.createProjectFile(filename)
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def openOpenProjectDialog(self):
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filename = QtGui.QFileDialog.getOpenFileName(
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self.window, "Open Project File",
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self.settings.value("projectDir"),
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"Project Files (*.avp)")
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self.openProject(filename)
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def openProject(self, filepath):
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if not filepath or not os.path.exists(filepath) \
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or not filepath.endswith('.avp'):
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return
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self.clear()
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self.currentProject = filepath
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self.settings.setValue("currentProject", filepath)
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self.settings.setValue("projectDir", os.path.dirname(filepath))
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compNames = [mod.Component.__doc__ for mod in self.core.modules]
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try:
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with open(filepath, 'r') as f:
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validSections = ('Components')
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section = ''
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def parseLine(line):
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line = line.strip()
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newSection = ''
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if line.startswith('[') and line.endswith(']') \
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and line[1:-1] in validSections:
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newSection = line[1:-1]
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return line, newSection
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i = 0
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for line in f:
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line, newSection = parseLine(line)
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if newSection:
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section = str(newSection)
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continue
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if line and section == 'Components':
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if i == 0:
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compIndex = compNames.index(line)
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self.insertComponent(compIndex, -1)
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i += 1
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elif i == 1:
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# version, not used yet
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i += 1
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elif i == 2:
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saveValueStore = dict(eval(line))
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self.core.selectedComponents[-1].loadPreset(
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saveValueStore)
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self.updateComponentTitle(-1)
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i = 0
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except (IndexError, ValueError, NameError, SyntaxError,
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AttributeError, TypeError) as e:
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self.createNewProject()
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typ, value, _ = sys.exc_info()
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msg = '%s: %s' % (typ.__name__, value)
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self.showMessage(
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msg="Project file '%s' is corrupted." % filepath,
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showCancel=False,
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icon=QtGui.QMessageBox.Warning,
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detail=msg)
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except KeyError as e:
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# probably just an old version, still loadable
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print('project file missing value: %s' % e)
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|
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def showMessage(self, **kwargs):
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parent = kwargs['parent'] if 'parent' in kwargs else self.window
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msg = QtGui.QMessageBox(parent)
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msg.setModal(True)
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msg.setText(kwargs['msg'])
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msg.setIcon(
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kwargs['icon'] if 'icon' in kwargs else QtGui.QMessageBox.Information)
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msg.setDetailedText(kwargs['detail'] if 'detail' in kwargs else None)
|
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if 'showCancel'in kwargs and kwargs['showCancel']:
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msg.setStandardButtons(
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QtGui.QMessageBox.Ok | QtGui.QMessageBox.Cancel)
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else:
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msg.setStandardButtons(QtGui.QMessageBox.Ok)
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ch = msg.exec_()
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|
if ch == 1024:
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return True
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|
return False
|
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def componentContextMenu(self, QPos):
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'''Appears when right-clicking a component in the list'''
|
|
if not self.window.listWidget_componentList.selectedItems():
|
|
return
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|
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|
self.presetManager.findPresets()
|
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self.menu = QtGui.QMenu()
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|
menuItem = self.menu.addAction("Save Preset")
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self.connect(
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|
menuItem,
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|
QtCore.SIGNAL("triggered()"),
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self.presetManager.openSavePresetDialog
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|
)
|
|
|
|
# submenu for opening presets
|
|
index = self.window.listWidget_componentList.currentRow()
|
|
try:
|
|
presets = self.presetManager.presets[str(self.core.selectedComponents[index])]
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|
self.submenu = QtGui.QMenu("Open Preset")
|
|
self.menu.addMenu(self.submenu)
|
|
|
|
for version, presetName in presets:
|
|
menuItem = self.submenu.addAction(presetName)
|
|
self.connect(
|
|
menuItem,
|
|
QtCore.SIGNAL("triggered()"),
|
|
lambda presetName=presetName:
|
|
self.presetManager.openPreset(presetName)
|
|
)
|
|
except KeyError as e:
|
|
print(e)
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|
parentPosition = self.window.listWidget_componentList.mapToGlobal(QtCore.QPoint(0, 0))
|
|
self.menu.move(parentPosition + QPos)
|
|
self.menu.show()
|