Bond graph ports and drawing added

BEdit/src/bedit/gui/graphics/icon_editor.py

@@ -1,6 +1,6 @@
 from copy import deepcopy
 
-from PySide6.QtCore import QPointF, QRectF, QSizeF, Qt
+from PySide6.QtCore import QPointF, QRectF, QSizeF, Qt, QTimer
 from PySide6.QtGui import QColor, QPainter, QPainterPath, QPen, QPolygonF
 from PySide6.QtWidgets import (
     QColorDialog,
@@ -487,7 +487,13 @@ class IconEditorDialog(QDialog):
             self.scene.addItem(ShapeItem(element))
         self._add_ports(self.inputs, "input", 0.0)
         self._add_ports(self.outputs, "output", self.icon.width)
-        self.view.center_icon()
+        self._initial_fit_pending = True
+
+    def showEvent(self, event) -> None:  # noqa: N802 (Qt API name)
+        super().showEvent(event)
+        if self._initial_fit_pending:
+            self._initial_fit_pending = False
+            QTimer.singleShot(0, self.view.center_icon)
 
     def _add_ports(self, ports: list[Port], direction: str, default_x: float) -> None:
         spacing = self.icon.height / (len(ports) + 1)