add version and ok button to about dialog

VERSION.info

@@ -0,0 +1 @@
+0.1-alpha

aboutdialog.py

@@ -5,6 +5,7 @@ from PyQt6.QtGui import QFont, QPixmap
 from PyQt6.QtWidgets import *
 
 from label import Label
+from vbox import VBox
 
 
 class AboutDialog(QDialog):
@@ -21,12 +22,16 @@ class AboutDialog(QDialog):
         heading_app_name.setAlignment(Qt.AlignmentFlag.AlignLeft)
         heading_app_name.setFont(QFont("default", 25))
         heading_app_name.setTextInteractionFlags(Qt.TextInteractionFlag.TextSelectableByMouse)
+
+        version = QLabel(self.tr("Version: {0}".format(self._version())))
+        version.setAlignment(Qt.AlignmentFlag.AlignLeft)
+
         app_icon = QLabel()
         app_icon.setPixmap(QPixmap("icon7.png"))
         heading = QWidget(self)
         hbox = QHBoxLayout(heading)
         hbox.addWidget(app_icon)
-        hbox.addWidget(heading_app_name)
+        hbox.addWidget(VBox(heading_app_name, version))
         hbox.addSpacerItem(QSpacerItem(1, 1, hPolicy=QSizePolicy.Policy.Expanding))
 
         heading.layout = hbox
@@ -38,6 +43,11 @@ class AboutDialog(QDialog):
 
         self.layout.addWidget(tabs)
 
+        buttons = QDialogButtonBox(self)
+        buttons.setStandardButtons(QDialogButtonBox.StandardButton.Ok)
+        buttons.accepted.connect(self.close)
+        self.layout.addWidget(buttons)
+
     def _about(self) -> QWidget:
         result = QWidget()
         result.layout = QVBoxLayout(result)
@@ -53,7 +63,14 @@ class AboutDialog(QDialog):
         result.layout = QVBoxLayout(result)
         result.layout.addWidget(Label(self.tr(textwrap.dedent("""
         <ul>
-        <li>PyQt6 6.2.1 (GPL v3) - <a href="https://code.qt.io/cgit/qt/qtbase.git/">https://code.qt.io/cgit/qt/qtbase.git/</a></li>
+        <li>PyQt6 6.2.1 (GPL v3)</li>
+        <li>Qt6 6.2.1 (LGPL v3) - <a href="https://code.qt.io/cgit/qt/qtbase.git/">https://code.qt.io/cgit/qt/qtbase.git/</a></li>
         <li>watchdog 2.16 (Apache 2.0)</li>
         </ul>"""))))
         return result
+
+    def _version(self):
+        with open('VERSION.info', "rt") as f:
+            line = f.readline()
+            version = line.strip()
+            return version

vbox.py

@@ -0,0 +1,9 @@
+from PyQt6.QtWidgets import QWidget, QVBoxLayout
+
+
+class VBox(QWidget):
+    def __init__(self, *widgets: QWidget):
+        super(VBox, self).__init__()
+        self.layout = QVBoxLayout(self)
+        for widget in widgets:
+            self.layout.addWidget(widget)