9 changed files with 186 additions and 17 deletions
@ -0,0 +1,111 @@ |
|||
#! /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 ), |
|||
|
|||
Laborejo2 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") |
|||
|
|||
|
|||
#Third Party |
|||
from PyQt5 import QtCore, QtGui, QtWidgets |
|||
|
|||
#Template Modules |
|||
|
|||
#Our Modules |
|||
import engine.api as api |
|||
|
|||
|
|||
|
|||
class TrackListWidget(QtWidgets.QListWidget): |
|||
"""The TrackListWidget holds all tracks as text-only variants with cursor access. |
|||
It will show one track at a time, the current one. |
|||
|
|||
It is meant as alternative access for hard-to-reach items, such as zero-duration-items. |
|||
|
|||
The cursor decides which track is currently handled as items. |
|||
But track content changes can come it for any track at any time. |
|||
|
|||
In opposite to the ScoreScene we do not deal with deleted and hidden tracks. |
|||
We recreate the items on track change. |
|||
""" |
|||
|
|||
def __init__(self, mainWindow, parentSplitter): |
|||
|
|||
super().__init__(parentSplitter) |
|||
self.mainWindow = mainWindow |
|||
|
|||
self._lastCurrentTrack = None |
|||
self.tracks = {} # engineTrackId : engineExportData |
|||
|
|||
self.itemPressed.connect(self._react_itemPressed) |
|||
|
|||
api.callbacks.tracksChanged.append(self.syncTracks) |
|||
api.callbacks.updateTrack.append(self.updateTrack) |
|||
api.callbacks.setCursor.append(self.setCursor) |
|||
|
|||
|
|||
def setCursor(self, cursorExportObject): |
|||
if not self._lastCurrentTrack == cursorExportObject["trackId"]: |
|||
self._lastCurrentTrack == cursorExportObject["trackId"] |
|||
self.showTrack(cursorExportObject["trackId"]) |
|||
|
|||
self.blockSignals(True) |
|||
self.setCurrentRow(cursorExportObject["position"]) |
|||
self.blockSignals(False) |
|||
|
|||
|
|||
def _react_itemPressed(self, item): |
|||
"""This is gui->api cursor setting |
|||
It only happens when the mouse etc. actually pressed an item. |
|||
This list cannot be activated by cursor keys etc. directly. """ |
|||
|
|||
api.toPosition(self.currentRow()) #currentRow is calculated after we already are on the item. |
|||
|
|||
|
|||
def syncTracks(self, listOfStaticTrackRepresentations): |
|||
"""Handles the number of tracks and track meta-data changes, |
|||
but not track contents, which is handled by self.updateTrack through a different callback""" |
|||
|
|||
for trackExportObject in listOfStaticTrackRepresentations: |
|||
if not trackExportObject["id"] in self.tracks: |
|||
self.tracks[trackExportObject["id"]] = None |
|||
|
|||
|
|||
def updateTrack(self, trackId, staticRepresentationList): |
|||
"""Callback: The content of a single track has changed""" |
|||
if not trackId in self.tracks: |
|||
#hidden track. But this can still happen through the data editor |
|||
return |
|||
|
|||
self.tracks[trackId] = staticRepresentationList |
|||
if trackId == self._lastCurrentTrack: |
|||
self.showTrack(trackId) |
|||
|
|||
|
|||
|
|||
def showTrack(self, trackId): |
|||
"""Cursor moved to a different track. |
|||
This is essentially destroy-and-recreate in Qt """ |
|||
|
|||
self.clear() |
|||
staticRepresentationList = self.tracks[trackId] |
|||
count = 0 |
|||
for staticItem in staticRepresentationList: |
|||
self.addItem(staticItem["UIstring"]) |
|||
self.addItem("|") #Appending |
|||
Loading…
Reference in new issue