Music production session manager
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99 lines
4.7 KiB
99 lines
4.7 KiB
#! /usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Copyright 2020, Nils Hilbricht, Germany ( https://www.hilbricht.net )
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This file is part of the Laborejo Software Suite ( https://www.laborejo.org )
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This application is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import logging; logger = logging.getLogger(__name__); logger.info("import")
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#Standard Library
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#Engine
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import engine.api as api
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#Third Party
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from PyQt5 import QtCore, QtGui, QtWidgets
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class DescriptionController(object):
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"""Not a subclass. Controls a TextEditWidget to hold the session-description from nsm-data.
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Can be used on multiple text widgets. One controller for one textwidget."""
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def __init__(self, mainWindow, parentGroupBox:QtWidgets.QGroupBox, plainTextWidget:QtWidgets.QPlainTextEdit):
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self.mainWindow = mainWindow
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self.description = plainTextWidget
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self.parentGroupBox = parentGroupBox
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self.placeHolderDescription = QtCore.QCoreApplication.translate("LoadedSessionDescription", "Double click to add the client nsm-data to write here.\nUse it for notes, TODO, references etc…")
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#We do NOT use the Qt placeholder text because that shows even when editing is possible. Our visual feedback is changing from placeholder to empty.
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self.description.setEnabled(False)
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self._reactCallback_dataClientDescriptionChanged(None) #set up description
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self.parentGroupBox.mouseDoubleClickEvent = self._doubleClickToResumeOrAddNsmData
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self.description.textChanged.connect(self.sendDescriptionToApi) #TODO: this is every keystroke, but it is impossible to solve a multi-GUI network system where a save signal comes from outside.. we need update every char. Maybe a genius in the future will solve this.
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#self.description.focusOutEvent = self._descriptionFocusOut
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api.callbacks.dataClientDescriptionChanged.append(self._reactCallback_dataClientDescriptionChanged) #Session description
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def sendDescriptionToApi(self):
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"""We cannot send every keystroke over the OSC-network. Therefore we wait:
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This is called by several events that "feel" like editing is done now:
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Focus out, Ctlr+S, Alt+S."""
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api.setDescription(self.description.toPlainText()) #this is not save yet. Just forward to data client.
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#def _descriptionFocusOut(self, event):
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# self.sendDescriptionToApi()
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# QtWidgets.QPlainTextEdit.focusOutEvent(self.description, event)
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def _reactCallback_dataClientDescriptionChanged(self, desc:str):
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"""Put the session description into our text field.
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We send each change, so we receive this signal each detail change.
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The cursor changes in between so we force the position.
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"""
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self.description.blockSignals(True)
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if not desc is None: #may be None for closing session
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oldPos = self.description.textCursor().position()
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self.description.setPlainText(desc) #plain textedit
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self.description.setEnabled(True)
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c = self.description.textCursor()
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c.setPosition(oldPos)
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self.description.setTextCursor(c)
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else:
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self.description.setEnabled(False)
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self.description.setPlainText(self.placeHolderDescription)
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self.description.blockSignals(False)
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def _doubleClickToResumeOrAddNsmData(self, event):
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"""Intended for doubleClickEvent, so we get an event.
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Do nothing when nsm-data is present. Add it when it was never there.
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Resume it if stopped in the session.
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When QPlainTextEdit is disabled it will forward doubleClick to the parent widget,
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which is this function. If enabled the groupBox description and frame will be clickable, we
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do nothing in this case.
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"""
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if self.description.isEnabled():
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pass
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else:
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d = api.executableInSession("nsm-data")
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if d:
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api.clientResume(d["clientId"])
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else:
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api.clientAdd("nsm-data")
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QtWidgets.QGroupBox.mouseDoubleClickEvent(self.parentGroupBox, event)
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