Add about dialog

Closes #120.

Author: dweindl

src/petab_gui/controllers/mother_controller.py

@@ -4,6 +4,7 @@
 import tempfile
 import zipfile
 from functools import partial
+from importlib.metadata import version
 from io import BytesIO
 from pathlib import Path
 
@@ -164,7 +165,7 @@ def window_title(self):
         """Return the window title based on the model."""
         if isinstance(self.model.sbml, SbmlViewerModel):
             return self.model.sbml.model_id
-        return "PEtab Editor"
+        return "PEtabGUI"
 
     def setup_context_menu(self):
         """Sets up context menus for the tables."""
@@ -438,6 +439,12 @@ def setup_actions(self):
         self._whats_this_filter = _WhatsThisClickHelp(actions["whats_this"])
         actions["whats_this"].toggled.connect(self._toggle_whats_this_mode)
 
+        # About action
+        actions["about"] = QAction(
+            qta.icon("mdi6.information"), "&About", self.view
+        )
+        actions["about"].triggered.connect(self.about)
+
         # connect actions
         actions["reset_view"] = QAction(
             qta.icon("mdi6.view-grid-plus"), "Reset View", self.view
@@ -1150,3 +1157,22 @@ def _show_help_welcome(self):
         msg.exec()
         if dont.isChecked():
             settings.setValue("help_mode/welcome_disabled", True)
+
+    def about(self):
+        """Show an about dialog."""
+        repo_url = "https://github.com/PaulJonasJost/PEtab_GUI"
+        config_file = settings_manager.settings.fileName()
+        QMessageBox.about(
+            self.view,
+            "About PEtabGUI",
+            f"<b>PEtabGUI</b><br>"
+            f"Version: {version('petab-gui')}<br>"
+            f"PEtab version: {version('petab')}<br><br>"
+            f"PEtabGUI is a tool for editing and visualizing PEtab "
+            f"problems.<br><br>"
+            f"Visit the GitHub repository at "
+            f"<a href='{repo_url}'>{repo_url}</a> "
+            "for more information.<br><br>"
+            f"<small>Settings are stored in "
+            f"<a href='file://{config_file}'>{config_file}</a></small>",
+        )

src/petab_gui/views/task_bar.py

@@ -137,6 +137,7 @@ def __init__(self, parent, actions):
         # Add actions to the menu for re-adding tables
         self.menu.addAction(actions["open_documentation"])
         self.menu.addAction(actions["whats_this"])
+        self.menu.addAction(actions["about"])
 
 
 class TaskBar: