Notes to kneeboard (#1375)

Adds global-level kneeboard notes.  Explicit save compatability with 4.0.0

(cherry picked from commit e94d48c265)

qt_ui/windows/notes/QNotesWindow.py

@@ -0,0 +1,67 @@
+from PySide2.QtWidgets import (
+    QDialog,
+    QPlainTextEdit,
+    QVBoxLayout,
+    QHBoxLayout,
+    QPushButton,
+    QLabel,
+)
+from PySide2.QtGui import QTextCursor
+from PySide2.QtCore import QTimer
+
+import qt_ui.uiconstants as CONST
+from game.game import Game
+
+from time import sleep
+
+
+class QNotesWindow(QDialog):
+    def __init__(self, game: Game):
+        super(QNotesWindow, self).__init__()
+
+        self.game = game
+        self.setWindowTitle("Notes")
+        self.setWindowIcon(CONST.ICONS["Notes"])
+        self.setMinimumSize(400, 100)
+        self.resize(600, 450)
+
+        self.vbox = QVBoxLayout()
+        self.setLayout(self.vbox)
+
+        self.vbox.addWidget(
+            QLabel("Saved notes are available as a page in your kneeboard.")
+        )
+
+        self.textbox = QPlainTextEdit(self)
+        try:
+            self.textbox.setPlainText(self.game.notes)
+            self.textbox.moveCursor(QTextCursor.End)
+        except AttributeError:  # old save may not have game.notes
+            pass
+        self.textbox.move(10, 10)
+        self.textbox.resize(600, 450)
+        self.textbox.setStyleSheet("background: #1D2731;")
+        self.vbox.addWidget(self.textbox)
+
+        self.button_row = QHBoxLayout()
+        self.vbox.addLayout(self.button_row)
+
+        self.clear_button = QPushButton(self)
+        self.clear_button.setText("CLEAR")
+        self.clear_button.setProperty("style", "btn-primary")
+        self.clear_button.clicked.connect(self.clearNotes)
+        self.button_row.addWidget(self.clear_button)
+
+        self.save_button = QPushButton(self)
+        self.save_button.setText("SAVE")
+        self.save_button.setProperty("style", "btn-success")
+        self.save_button.clicked.connect(self.saveNotes)
+        self.button_row.addWidget(self.save_button)
+
+    def clearNotes(self) -> None:
+        self.textbox.setPlainText("")
+
+    def saveNotes(self) -> None:
+        self.game.notes = self.textbox.toPlainText()
+        self.save_button.setText("SAVED")
+        QTimer.singleShot(5000, lambda: self.save_button.setText("SAVE"))