1 files changed, 261 insertions, 0 deletions
diff --git a/gui-project/src/solo_tool_gui.py b/gui-project/src/solo_tool_gui.py
new file mode 100644
index 0000000..0488f84
--- /dev/null
+++ b/gui-project/src/solo_tool_gui.py
@@ -0,0 +1,261 @@
+import sys
+
+from PyQt5.QtGui import *
+from PyQt5.QtWidgets import *
+from PyQt5.QtCore import *
+from MainWindow import Ui_MainWindow
+
+from solo_tool import SoloTool
+from solo_tool.midi_controller_launchpad_mini import MidiController
+
+POSITION_FACTOR = 100000
+RATE_FACTOR = 10
+UI_REFRESH_PERIOD_MS = 500
+
+CHANGE_GUI = 0
+CHANGE_INTERNAL = 1
+
+class PlaylistModel(QAbstractListModel):
+    def __init__(self, soloTool, *args, **kwargs):
+        super(PlaylistModel, self).__init__(*args, **kwargs)
+        self.soloTool = soloTool
+
+    def data(self, index, role):
+        if role == Qt.DisplayRole:
+            from pathlib import Path
+            path = Path(self.soloTool.getSongs()[index.row()])
+            return path.name
+
+    def rowCount(self, index):
+        return len(self.soloTool.getSongs())
+
+class ABListModel(QAbstractListModel):
+    def __init__(self, soloTool, *args, **kwargs):
+        super(ABListModel, self).__init__(*args, **kwargs)
+        self.soloTool = soloTool
+
+    def data(self, index, role):
+        if role == Qt.DisplayRole:
+            ab = self.soloTool.getStoredAbLimits()[index.row()]
+            return f"{ab[0]} - {ab[1]}"
+
+    def rowCount(self, index):
+        return len(self.soloTool.getStoredAbLimits())
+
+class MainWindow(QMainWindow, Ui_MainWindow):
+    songChangeSignal = pyqtSignal(int)
+    abLimitsChangeSignal = pyqtSignal(int)
+    
+    def __init__(self, *args, **kwargs):
+        super(MainWindow, self).__init__(*args, **kwargs)
+
+        self.setupUi(self)
+        
+        self.timer = QTimer(self)
+        self.timer.setInterval(UI_REFRESH_PERIOD_MS)
+        self.timer.timeout.connect(self.timerCallback)
+
+        self.soloTool = SoloTool()
+        self.midiController = MidiController(self.soloTool)
+
+        self.playlistModel = PlaylistModel(self.soloTool)
+        self.songListView.setModel(self.playlistModel)
+        self.songListView.selectionModel().selectionChanged.connect(self.playlistSelectionChanged)
+        self.songChangePending = None
+        self.songChangeSignal.connect(self.currentSongChanged)
+        self.soloTool.registerCurrentSongCallback(self.songChangeSignal.emit)
+
+        self.abListModel = ABListModel(self.soloTool)
+        self.abListView.setModel(self.abListModel)
+        self.abListView.selectionModel().selectionChanged.connect(self.abListSelectionChanged)
+        self.abLimitsChangePending = None
+        self.abLimitsChangeSignal.connect(self.currentAbLimitsChanged)
+        self.soloTool.registerCurrentAbLimitsCallback(self.abLimitsChangeSignal.emit)
+
+        self.songSlider.setMaximum(POSITION_FACTOR)
+        self.songSlider.sliderPressed.connect(self.songSliderPressed)
+        self.songSlider.sliderReleased.connect(self.songSliderReleased)
+
+        self.aSlider.setMaximum(POSITION_FACTOR)
+        self.aSlider.sliderReleased.connect(self.abSliderReleased)
+        self.bSlider.setMaximum(POSITION_FACTOR)
+        self.bSlider.sliderReleased.connect(self.abSliderReleased)
+
+        self.rateSlider.setRange(int(0.5 * RATE_FACTOR), int(1.2 * RATE_FACTOR))
+        self.rateSlider.setSingleStep(int(0.1 * RATE_FACTOR))
+        self.rateSlider.setValue(int(1.0 * RATE_FACTOR))
+        self.rateSlider.sliderReleased.connect(self.rateSliderReleased)
+
+        self.playButton.pressed.connect(self.soloTool.play)
+        self.pauseButton.pressed.connect(self.soloTool.pause)
+        self.storeAbButton.pressed.connect(self.storeAbLimits)
+        self.setAButton.pressed.connect(self.setA)
+        self.setBButton.pressed.connect(self.setB)
+        self.saveSessionButton.pressed.connect(self.saveSession)
+        self.loadSessionButton.pressed.connect(self.loadSession)
+        self.addSongButton.pressed.connect(self.addSong)
+        self.abRepeatCheckBox.clicked.connect(self.toggleAbRepeat)
+        self.initMidiButton.pressed.connect(self.initMidi)
+
+        self.timer.start()
+
+        if len(sys.argv) > 1:
+            self.loadSession(sys.argv[1])
+
+        self.show()
+
+    def timerCallback(self):
+        position = self.soloTool.getPlaybackPosition() * POSITION_FACTOR
+        self.songSlider.setValue(int(position))
+        self.soloTool.tick()
+
+    def addSong(self):
+        path, _ = QFileDialog.getOpenFileName(self, "Open file", "", "mp3 Audio (*.mp3);FLAC audio (*.flac);All files (*.*)")
+        if path:
+            self.soloTool.addSong(path)
+            self.playlistModel.layoutChanged.emit()
+
+    def storeAbLimits(self):
+        a = self.aSlider.value() / float(POSITION_FACTOR)
+        b = self.bSlider.value() / float(POSITION_FACTOR)
+        self.soloTool.storeAbLimits(a, b)
+        self.abListModel.layoutChanged.emit()
+
+    def setA(self):
+        position = self.songSlider.value()
+        self.aSlider.setValue(position)
+        self.abSliderReleased()
+
+    def setB(self):
+        position = self.songSlider.value()
+        self.bSlider.setValue(position)
+        self.abSliderReleased()
+
+    def toggleAbRepeat(self):
+        enable = self.abRepeatCheckBox.isChecked()
+        self.soloTool.setAbLimitEnable(enable)
+        
+    def saveSession(self):
+        path, _ = QFileDialog.getSaveFileName(self, "Open file", "", "session file (*.json)")
+        if path:
+            self.soloTool.saveSession(path)
+
+    def loadSession(self, path=None):
+        if path is None:
+            path, _ = QFileDialog.getOpenFileName(self, "Open file", "", "session file (*.json)")
+        if path is not None:
+            self.soloTool.loadSession(path)
+            self.playlistModel.layoutChanged.emit()
+            self.abListModel.layoutChanged.emit()
+
+    def songSliderPressed(self):
+        self.timer.stop()
+
+    def songSliderReleased(self):
+        position = self.songSlider.value() / float(POSITION_FACTOR)
+        self.soloTool.setPlaybackPosition(position)
+        self.timer.start()
+
+    def clearListViewSelection(self, listView):
+        i = listView.selectionModel().currentIndex()
+        listView.selectionModel().select(i, QItemSelectionModel.Deselect)
+
+    def abSliderReleased(self):
+        a = self.aSlider.value() / float(POSITION_FACTOR)
+        b = self.bSlider.value() / float(POSITION_FACTOR)
+        self.soloTool.setAbLimits(a, b)
+        self.clearListViewSelection(self.abListView)
+
+    def rateSliderReleased(self):
+        rate = self.rateSlider.value() / float(RATE_FACTOR)
+        self.soloTool.setPlaybackRate(rate)
+
+    def playlistSelectionChanged(self, i):
+        if self.songChangePending == CHANGE_INTERNAL:
+            self.songChangePending = None
+        else:
+            assert self.songChangePending is None
+            self.songChangePending = CHANGE_GUI
+            index = i.indexes()[0].row()
+            self.soloTool.setSong(index)
+        
+        self.clearListViewSelection(self.abListView)
+        self.abListModel.layoutChanged.emit()
+
+    def currentSongChanged(self, songIndex):
+        if self.songChangePending == CHANGE_GUI:
+            self.songChangePending = None
+        else:
+            assert self.songChangePending is None
+            self.songChangePending = CHANGE_INTERNAL
+            i = self.playlistModel.createIndex(songIndex, 0)
+            self.songListView.selectionModel().select(i, QItemSelectionModel.ClearAndSelect)
+
+    def abListSelectionChanged(self, i):
+        if self.abLimitsChangePending == CHANGE_INTERNAL:
+            print("Ack internal change")
+            self.abLimitsChangePending = None
+        else:
+            assert self.abLimitsChangePending is None
+            if i is not None and not i.isEmpty():
+                print("Processing GUI change")
+                self.abLimitsChangePending = CHANGE_GUI
+                index = i.indexes()[0].row()
+                ab = self.soloTool.getStoredAbLimits()[index]
+                self.soloTool.loadAbLimits(index)
+                self.aSlider.setValue(int(ab[0] * POSITION_FACTOR))
+                self.bSlider.setValue(int(ab[1] * POSITION_FACTOR))
+
+    def currentAbLimitsChanged(self, abIndex):
+        if self.abLimitsChangePending == CHANGE_GUI:
+            print("Ack GUI change")
+            self.abLimitsChangePending = None
+        else:
+            assert self.abLimitsChangePending is None
+            print("Processing internal change")
+            self.abLimitsChangePending = CHANGE_INTERNAL
+            i = self.abListModel.createIndex(abIndex, 0)
+            self.abListView.selectionModel().select(i, QItemSelectionModel.ClearAndSelect)
+            ab = self.soloTool.getStoredAbLimits()[abIndex]
+            self.aSlider.setValue(int(ab[0] * POSITION_FACTOR))
+            self.bSlider.setValue(int(ab[1] * POSITION_FACTOR))
+
+    def initMidi(self):
+        try:
+            self.midiController.connect()
+        except Exception as e:
+            print("Error: could not connect to MIDI controller")
+            print(e)
+
+    def keyPressEvent(self, event):
+        if event.key() == Qt.Key_Super_L:
+            self.soloTool.jumpToA()
+
+def main():
+    app = QApplication([])
+    app.setApplicationName("Solo Tool")
+    app.setStyle("Fusion")
+
+    # Fusion dark palette from https://gist.github.com/QuantumCD/6245215.
+    palette = QPalette()
+    palette.setColor(QPalette.Window, QColor(53, 53, 53))
+    palette.setColor(QPalette.WindowText, Qt.white)
+    palette.setColor(QPalette.Base, QColor(25, 25, 25))
+    palette.setColor(QPalette.AlternateBase, QColor(53, 53, 53))
+    palette.setColor(QPalette.ToolTipBase, Qt.white)
+    palette.setColor(QPalette.ToolTipText, Qt.white)
+    palette.setColor(QPalette.Text, Qt.white)
+    palette.setColor(QPalette.Button, QColor(53, 53, 53))
+    palette.setColor(QPalette.ButtonText, Qt.white)
+    palette.setColor(QPalette.BrightText, Qt.red)
+    palette.setColor(QPalette.Link, QColor(42, 130, 218))
+    palette.setColor(QPalette.Highlight, QColor(42, 130, 218))
+    palette.setColor(QPalette.HighlightedText, Qt.black)
+    app.setPalette(palette)
+    app.setStyleSheet("QToolTip { color: #ffffff; background-color: #2a82da; border: 1px solid white; }")
+
+    window = MainWindow()
+    app.exec_()
+
+if __name__ == '__main__':
+    main()