diff options
Diffstat (limited to 'src/mainwindow.py')
| -rw-r--r-- | src/mainwindow.py | 310 |
1 files changed, 204 insertions, 106 deletions
diff --git a/src/mainwindow.py b/src/mainwindow.py index ca8e697..070131c 100644 --- a/src/mainwindow.py +++ b/src/mainwindow.py @@ -14,13 +14,18 @@ import signal import filecmp import time -import core +from core import Core import preview_thread from presetmanager import PresetManager -from toolkit import LoadDefaultSettings, disableWhenEncoding, checkOutput +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 @@ -45,8 +50,24 @@ class PreviewWindow(QtWidgets.QLabel): self.pixmap = QtGui.QPixmap(img) self.repaint() + @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 @@ -54,38 +75,45 @@ class MainWindow(QtWidgets.QMainWindow): def __init__(self, window, project): QtWidgets.QMainWindow.__init__(self) - # print('main thread id: {}'.format(QtCore.QThread.currentThreadId())) self.window = window - self.core = core.Core() + self.core = Core() - self.pages = [] # widgets of component settings + # 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 = self.core.dataDir + self.dataDir = Core.dataDir + self.presetDir = Core.presetDir self.autosavePath = os.path.join(self.dataDir, 'autosave.avp') - self.settings = self.core.settings - LoadDefaultSettings(self) + self.settings = Core.settings self.presetManager = PresetManager( uic.loadUi( - os.path.join(self.core.wd, 'presetmanager.ui')), self) + os.path.join(Core.wd, 'presetmanager.ui')), self) if not os.path.exists(self.dataDir): os.makedirs(self.dataDir) for neededDirectory in ( - self.core.presetDir, self.settings.value("projectDir")): + self.presetDir, self.settings.value("projectDir")): if not os.path.exists(neededDirectory): os.mkdir(neededDirectory) - # Make queues/timers for the preview thread + # 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.previewWorker.error.connect(self.cleanUp) self.previewThread.start() self.timer = QtCore.QTimer(self) @@ -93,6 +121,7 @@ class MainWindow(QtWidgets.QMainWindow): self.timer.start(500) # Begin decorating the window and connecting events + self.window.installEventFilter(self) componentList = self.window.listWidget_componentList if sys.platform == 'darwin': @@ -120,7 +149,7 @@ class MainWindow(QtWidgets.QMainWindow): window.pushButton_Cancel.clicked.connect(self.stopVideo) - for i, container in enumerate(self.core.encoder_options['containers']): + for i, container in enumerate(Core.encoderOptions['containers']): window.comboBox_videoContainer.addItem(container['name']) if container['name'] == self.settings.value('outputContainer'): selectedContainer = i @@ -155,19 +184,13 @@ class MainWindow(QtWidgets.QMainWindow): window.spinBox_vBitrate.setValue(vBitrate) window.spinBox_aBitrate.setValue(aBitrate) - window.spinBox_vBitrate.valueChanged.connect(self.updateCodecSettings) window.spinBox_aBitrate.valueChanged.connect(self.updateCodecSettings) - self.previewWindow = PreviewWindow(self, os.path.join( - self.core.wd, "background.png")) - window.verticalLayout_previewWrapper.addWidget(self.previewWindow) - # Make component buttons self.compMenu = QMenu() - self.compActions = [] for i, comp in enumerate(self.core.modules): - action = self.compMenu.addAction(comp.Component.__doc__) + action = self.compMenu.addAction(comp.Component.name) action.triggered.connect( lambda _, item=i: self.core.insertComponent(0, item, self) ) @@ -178,6 +201,9 @@ class MainWindow(QtWidgets.QMainWindow): componentList.itemSelectionChanged.connect( self.changeComponentWidget ) + componentList.itemSelectionChanged.connect( + self.presetManager.clearPresetListSelection + ) self.window.pushButton_removeComponent.clicked.connect( lambda: self.removeComponent() ) @@ -189,7 +215,7 @@ class MainWindow(QtWidgets.QMainWindow): currentRes = str(self.settings.value('outputWidth'))+'x' + \ str(self.settings.value('outputHeight')) - for i, res in enumerate(self.resolutions): + for i, res in enumerate(Core.resolutions): window.comboBox_resolution.addItem(res) if res == currentRes: currentRes = i @@ -288,7 +314,7 @@ class MainWindow(QtWidgets.QMainWindow): ['ffmpeg', '-version'], stderr=f ) goodVersion = str(ffmpegVers).split()[2].startswith('3') - except: + except Exception: goodVersion = False else: goodVersion = True @@ -300,22 +326,23 @@ class MainWindow(QtWidgets.QMainWindow): ) self.settings.setValue("ffmpegMsgShown", True) - # Setup Hotkeys + # 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) - QtWidgets.QShortcut( - "Ctrl+Alt+Shift+R", self.window, self.drawPreview - ) - QtWidgets.QShortcut( - "Ctrl+Alt+Shift+F", self.window, self.showFfmpegCommand - ) - QtWidgets.QShortcut( - "Ctrl+T", self.window, - activated=lambda: self.window.pushButton_addComponent.click() - ) + # 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() @@ -329,23 +356,37 @@ class MainWindow(QtWidgets.QMainWindow): ) QtWidgets.QShortcut( - "Ctrl+Up", self.window, + "Ctrl+Up", self.window.listWidget_componentList, activated=lambda: self.moveComponent(-1) ) QtWidgets.QShortcut( - "Ctrl+Down", self.window, + "Ctrl+Down", self.window.listWidget_componentList, activated=lambda: self.moveComponent(1) ) - QtWidgets.QShortcut("Ctrl+Home", self.window, self.moveComponentTop) - QtWidgets.QShortcut("Ctrl+End", self.window, self.moveComponentBottom) - QtWidgets.QShortcut("Ctrl+r", self.window, self.removeComponent) + 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): + def cleanUp(self, *args): self.timer.stop() self.previewThread.quit() self.previewThread.wait() + @disableWhenOpeningProject def updateWindowTitle(self): appName = 'Audio Visualizer' try: @@ -389,7 +430,7 @@ class MainWindow(QtWidgets.QMainWindow): vCodecWidget.clear() aCodecWidget.clear() - for container in self.core.encoder_options['containers']: + for container in Core.encoderOptions['containers']: if container['name'] == name: for vCodec in container['video-codecs']: vCodecWidget.addItem(vCodec) @@ -397,6 +438,7 @@ class MainWindow(QtWidgets.QMainWindow): 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 @@ -412,15 +454,32 @@ class MainWindow(QtWidgets.QMainWindow): 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 >= 0.1: + 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( @@ -432,6 +491,7 @@ class MainWindow(QtWidgets.QMainWindow): return False def saveProjectChanges(self): + '''Overwrites project file with autosave file''' try: os.remove(self.currentProject) os.rename(self.autosavePath, self.currentProject) @@ -447,7 +507,7 @@ class MainWindow(QtWidgets.QMainWindow): fileName, _ = QtWidgets.QFileDialog.getOpenFileName( self.window, "Open Audio File", - inputDir, "Audio Files (%s)" % " ".join(self.core.audioFormats)) + inputDir, "Audio Files (%s)" % " ".join(Core.audioFormats)) if fileName: self.settings.setValue("inputDir", os.path.dirname(fileName)) @@ -460,7 +520,7 @@ class MainWindow(QtWidgets.QMainWindow): self.window, "Set Output Video File", outputDir, "Video Files (%s);; All Files (*)" % " ".join( - self.core.videoFormats)) + Core.videoFormats)) if fileName: self.settings.setValue("outputDir", os.path.dirname(fileName)) @@ -511,6 +571,19 @@ class MainWindow(QtWidgets.QMainWindow): 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='Warning', + ) + def changeEncodingStatus(self, status): self.encoding = status if status: @@ -570,15 +643,20 @@ class MainWindow(QtWidgets.QMainWindow): def updateResolution(self): resIndex = int(self.window.comboBox_resolution.currentIndex()) - res = self.resolutions[resIndex].split('x') + res = Core.resolutions[resIndex].split('x') self.settings.setValue('outputWidth', res[0]) self.settings.setValue('outputHeight', res[1]) self.drawPreview() - def drawPreview(self, force=False): + 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() - self.autosave(force) + if force or 'autosave' in kwargs: + if force or kwargs['autosave']: + self.autosave(True) + else: + self.autosave() self.updateWindowTitle() @QtCore.pyqtSlot(QtGui.QImage) @@ -587,10 +665,11 @@ class MainWindow(QtWidgets.QMainWindow): def showFfmpegCommand(self): from textwrap import wrap - command = self.core.createFfmpegCommand( + from toolkit.ffmpeg import createFfmpegCommand + command = createFfmpegCommand( self.window.lineEdit_audioFile.text(), self.window.lineEdit_outputFile.text(), - self.core.getAudioDuration(self.window.lineEdit_audioFile.text()) + self.core.selectedComponents ) lines = wrap(" ".join(command), 49) self.showMessage( @@ -603,7 +682,7 @@ class MainWindow(QtWidgets.QMainWindow): componentList.insertItem( index, - self.core.selectedComponents[index].__doc__) + self.core.selectedComponents[index].name) componentList.setCurrentRow(index) # connect to signal that adds an asterisk when modified @@ -632,6 +711,10 @@ class MainWindow(QtWidgets.QMainWindow): 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() @@ -648,23 +731,13 @@ class MainWindow(QtWidgets.QMainWindow): stackedWidget.insertWidget(newRow, page) componentList.setCurrentRow(newRow) stackedWidget.setCurrentIndex(newRow) - self.drawPreview() - - @disableWhenEncoding - def moveComponentTop(self): - componentList = self.window.listWidget_componentList - row = -componentList.currentRow() - self.moveComponent(row) - - @disableWhenEncoding - def moveComponentBottom(self): - componentList = self.window.listWidget_componentList - row = len(componentList)-componentList.currentRow()-1 - self.moveComponent(row) + self.drawPreview(True) - @disableWhenEncoding - def dragComponent(self, event): - '''Drop event for the component listwidget''' + 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 = [ @@ -675,13 +748,23 @@ class MainWindow(QtWidgets.QMainWindow): 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 - rowPos = [rect.contains(event.pos()) for rect in rects] - if not any(rowPos): - return - - i = rowPos.index(True) - change = (componentList.currentRow() - i) * -1 + @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): @@ -784,9 +867,7 @@ class MainWindow(QtWidgets.QMainWindow): self.settings.setValue("projectDir", os.path.dirname(filepath)) # actually load the project using core method self.core.openProject(self, filepath) - if self.window.listWidget_componentList.count() == 0: - self.drawPreview() - self.autosave(True) + self.drawPreview(autosave=False) self.updateWindowTitle() def showMessage(self, **kwargs): @@ -811,47 +892,64 @@ class MainWindow(QtWidgets.QMainWindow): @disableWhenEncoding def componentContextMenu(self, QPos): - '''Appears when right-clicking a component in the list''' + '''Appears when right-clicking the component list''' componentList = self.window.listWidget_componentList - if not componentList.selectedItems(): - return - - # don't show menu if clicking empty space + self.menu = QMenu() parentPosition = componentList.mapToGlobal(QtCore.QPoint(0, 0)) - index = componentList.currentRow() - modelIndex = componentList.model().index(index) - if not componentList.visualRect(modelIndex).contains(QPos): - return - self.presetManager.findPresets() - self.menu = QMenu() - menuItem = self.menu.addAction("Save Preset") - menuItem.triggered.connect( - self.presetManager.openSavePresetDialog - ) + 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.submenu = QMenu("Open Preset") - self.menu.addMenu(self.submenu) - - for version, presetName in presets: - menuItem = self.submenu.addAction(presetName) + # 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( - lambda _, presetName=presetName: - self.presetManager.openPreset(presetName) + self.presetManager.clearPreset ) - except KeyError: - pass + self.menu.addSeparator() - if self.core.selectedComponents[index].currentPreset: - menuItem = self.menu.addAction("Clear Preset") + # "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( - self.presetManager.clearPreset + 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 |