Sampled Instrument Player with static and monolithic design. All instruments are built-in.
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#! /usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Copyright 2022, Nils Hilbricht, Germany ( https://www.hilbricht.net )
This file is part of the Laborejo Software Suite ( https://www.laborejo.org ),
This application is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import logging; logger = logging.getLogger(__name__); logger.info("import")
#Standard Lib
from random import choice
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from typing import List
#System Wide Modules
from PyQt5 import QtCore, QtWidgets, QtGui
#Template Moduiles
from .designer.about import Ui_TemplateAbout
#Client Modules
from engine.config import * #imports METADATA
from qtgui.resources import * #Has the logo
import engine.api as api #Already loaded, will not change anything
class About(QtWidgets.QDialog):
"""A help window with useful tips.
Also the nagscreen for Donations.
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The didYouKnow sentences stay here to be edited and not in engine/constants.py?
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They are GUI only and need to be translated
The About dialog depends on a set key guiSharedDataToSave["showAboutDialog"]. That is usually
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created in the mainWindow for a new instance, never saved, and intial value depends on
METADATA["showAboutDialogFirstStart"]
"""
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didYouKnow:List[str] = [] #Will be filled by the non-template part of the program
def __init__(self, mainWindow):
#super(DidYouKnow, self).__init__(parent, QtCore.Qt.WindowStaysOnTopHint|QtCore.Qt.CustomizeWindowHint|QtCore.Qt.X11BypassWindowManagerHint)
#super(DidYouKnow, self).__init__(parent, QtCore.Qt.FramelessWindowHint)
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super().__init__(parent=mainWindow)
self.setModal(True) #block until closed
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self.ui = Ui_TemplateAbout()
self.ui.setupUi(self)
self.mainWindow = mainWindow
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self.ui.didyouknowLabel.setText(choice(self.tricks()))
self.index = self.tricks().index(self.ui.didyouknowLabel.text())
self.ui.numberSlider.setMaximum(len(self.tricks())-1)
self.ui.numberSlider.setValue(self.index)
self.ui.numberLabel.setText("Tip " + str(self.index+1) + "/" + str(len(self.tricks())))
self.ui.numberSlider.valueChanged.connect(self.moveSlider)
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copyright = f"""{METADATA["author"]} ({METADATA["year"]})"""
name = f"""{METADATA["name"]} ver. {METADATA["version"]}"""
aboutText = "\n".join([name, copyright, METADATA["url"]])
self.ui.aboutLabel.setText(aboutText)
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#Image: 300x151
aboutLogoPixmap = QtGui.QPixmap(":aboutlogo.png")
#pixmap_scaled = aboutLogoPixmap.scaled(self.ui.goldenratioLabel.size(), QtCore.Qt.KeepAspectRatio)
#self.ui.goldenratioLabel.setPixmap(pixmap_scaled)
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self.ui.goldenratioLabel.setPixmap(aboutLogoPixmap)
"""
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#We don't want the user to get bombarded with information on the first start.
#Only show us the second time.
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if not "showAboutDialog" in api.session.guiSharedDataToSave:
self.ui.showOnStartup.hide()
api.session.guiSharedDataToSave["showAboutDialog"] = True
"""
self.ui.showOnStartup.stateChanged.connect(self.saveStartupState)
"""
QAbstractSlider.SliderNoAction 0
QAbstractSlider.SliderSingleStepAdd 1
QAbstractSlider.SliderSingleStepSub 2
QAbstractSlider.SliderPageStepAdd 3
QAbstractSlider.SliderPageStepSub 4
QAbstractSlider.SliderToMinimum 5
QAbstractSlider.SliderToMaximum 6
QAbstractSlider.SliderMove 7
"""
self.shortcut("right", lambda: self.ui.numberSlider.triggerAction(1))
self.shortcut("left", lambda: self.ui.numberSlider.triggerAction(2))
self.shortcut("up", lambda: self.ui.numberSlider.triggerAction(1))
self.shortcut("down", lambda: self.ui.numberSlider.triggerAction(2))
self.ui.numberSlider.wheelEvent = self.mouseWheelEventCustom #Deactivate the normal number slider wheel event
self.wheelEvent = self.mouseWheelEventCustom #Use a window wide one that is easier to control
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settings = QtCore.QSettings("LaborejoSoftwareSuite", METADATA["shortName"])
self.ui.showOnStartup.setChecked(settings.value("showAboutDialog", type=bool))
self.ui.numberSlider.setFocus(True)
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def tricks(self):
"""For some reason translations do not work if saved as class variable.
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A getter function works"""
return About.didYouKnow + [
#Make the first three words matter!
#Do not start them all with "You can..." or "...that you can", in response to the Did you know? title.
QtCore.QCoreApplication.translate("TemplateAbout", "Help can be found through the <a href='http://laborejo.org'>Laborejo Community</a>"),
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QtCore.QCoreApplication.translate("TemplateAbout", "Temporary Shortcuts can be created by hovering the mouse cursor over a menu entry (with no shortcut) and pressing a numpad key"),
QtCore.QCoreApplication.translate("TemplateAbout", "Closing the program with the [X] icon or shortcuts like Alt+F4 will only hide the window. This state will be saved, so you don't need to see the window each time you load your session."),
]
def reject(self):
self.hide()
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def showEvent(self, event):
"""The qt main loop is slow. We can't show the about dialog, or any other sub-dialog,
right after mainWindow.show() becauer the event loop is not ready and the screen positions
will be wrong.
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Instead we wait that the showEvent actually arrives.
And even then we wait a few ms, to be on the safe side. That was actually needed on the
devs system.
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Also the dialog is sometimes not closed but hidden.
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Also we had reports of not correctly parented and centered dialogs.
Make sure everything is where it should be"""
parentCenter = self.mainWindow.geometry().center()
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aboutCenter = self.geometry().center()
self.move(parentCenter - aboutCenter)
event.accept()
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def mouseWheelEventCustom(self, event):
event.accept()
if event.angleDelta().y() > 0:
self.ui.numberSlider.triggerAction(1)
else:
self.ui.numberSlider.triggerAction(2)
def shortcut(self, key, function):
act = QtWidgets.QAction('')
act.setShortcut(key)
act.triggered.connect(function)
self.addAction(act)
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def saveStartupState(self):
settings = QtCore.QSettings("LaborejoSoftwareSuite", METADATA["shortName"])
settings.setValue("showAboutDialog", bool(self.ui.showOnStartup.checkState()))
def moveSlider(self):
nowIdx = self.ui.numberSlider.value()
self.ui.didyouknowLabel.setText(self.tricks()[nowIdx])
self.ui.numberLabel.setText("Trick " + str(nowIdx+1) + "/" + str(len(self.tricks())))