fix(suite): prevent wheel changes in generation settings

app/gui/tabs/product_suite.py

@@ -12,6 +12,7 @@ from PySide6.QtCore import (
     QByteArray,
     QBuffer,
     QIODevice,
+    QPointF,
     QRect,
     QSize,
     Qt,
@@ -19,7 +20,16 @@ from PySide6.QtCore import (
     Signal,
     Slot,
 )
-from PySide6.QtGui import QColor, QIcon, QImage, QImageReader, QKeySequence, QPainter, QPixmap
+from PySide6.QtGui import (
+    QColor,
+    QIcon,
+    QImage,
+    QImageReader,
+    QKeySequence,
+    QPainter,
+    QPixmap,
+    QWheelEvent,
+)
 from PySide6.QtWidgets import (
     QApplication,
     QCheckBox,
@@ -146,6 +156,38 @@ class AutoHeightPlainTextEdit(QPlainTextEdit):
         self.schedule_height_update()
 
 
+class SuiteSettingsComboBox(QComboBox):
+    """Keep wheel scrolling from silently changing a suite generation setting."""
+
+    def wheelEvent(self, event):
+        target = self.view().viewport() if self.view().isVisible() else self._outer_scroll_viewport()
+        if target is None:
+            event.ignore()
+            return
+        global_position = event.globalPosition()
+        local_position = target.mapFromGlobal(global_position.toPoint())
+        forwarded = QWheelEvent(
+            QPointF(local_position),
+            global_position,
+            event.pixelDelta(),
+            event.angleDelta(),
+            event.buttons(),
+            event.modifiers(),
+            event.phase(),
+            event.inverted(),
+        )
+        QApplication.sendEvent(target, forwarded)
+        event.accept()
+
+    def _outer_scroll_viewport(self):
+        parent = self.parentWidget()
+        while parent is not None:
+            if isinstance(parent, QScrollArea):
+                return parent.viewport()
+            parent = parent.parentWidget()
+        return None
+
+
 def _asset_usable(asset):
     path = str(getattr(asset, "local_path", "") or "")
     return (
@@ -2173,7 +2215,7 @@ class ProductSuiteTab(QWidget):
         return frame
 
     def _value_combo(self, object_name, label, values):
-        combo = QComboBox()
+        combo = SuiteSettingsComboBox()
         combo.setObjectName(object_name)
         combo.setToolTip("%s设置" % label)
         combo.setAccessibleName("%s设置" % label)