add about dialog

fixtracks/dialogs/about.py

@@ -0,0 +1,51 @@
+import os
+from PySide6.QtGui import QPixmap
+from PySide6.QtWidgets import QDialog, QDialogButtonBox, QLabel, QVBoxLayout, QWidget
+from PySide6.QtCore import Qt
+
+
+class AboutDialog(QDialog):
+
+    def __init__(self, parent=None) -> None:
+        super().__init__(parent=parent)
+        self.setModal(True)
+        about = About(self)
+        self.setLayout(QVBoxLayout())
+        self.layout().addWidget(about)
+        bbox = QDialogButtonBox(QDialogButtonBox.StandardButton.Ok)
+        bbox.accepted.connect(self.accept)
+        self.layout().addWidget(bbox)
+
+
+class About(QWidget):
+
+    def __init__(self, parent=None) -> None:
+        super().__init__(parent=parent)
+        self.setLayout(QVBoxLayout())
+
+        heading = QLabel("FixTracks")
+        font = heading.font()
+        font.setPointSize(18)
+        font.setBold(True)
+        heading.setFont(font)
+        heading.setAlignment(Qt.AlignCenter)
+        subheading = QLabel("Tools to fix some tracking problems.\nby Jan Grewe@bendalab")
+        subheading.setAlignment(Qt.AlignCenter)
+        nix_link = QLabel("https://neuroetho.uni-tuebingen.de")
+        nix_link.setOpenExternalLinks(True)
+        nix_link.setAlignment(Qt.AlignCenter)
+
+        iconlabel = QLabel()
+        pixmap = QPixmap(":/icons/logo")
+        s = pixmap.size()
+        new_height = int(s.height() * 300/s.width())
+        pixmap = pixmap.scaled(300, new_height, Qt.KeepAspectRatio, Qt.FastTransformation)
+        iconlabel.setPixmap(pixmap)
+        iconlabel.setMaximumWidth(300)
+        iconlabel.setAlignment(Qt.AlignCenter)
+        iconlabel.setScaledContents(True)
+
+        self.layout().addWidget(heading)
+        self.layout().addWidget(subheading)
+        self.layout().addWidget(iconlabel)
+        self.layout().addWidget(nix_link)