[UI] Now ImagePack viewer properly set default colors for masks

Author: xushengj

src/preppipe_gui_pyside6/componentwidgets/maskinputwidget.py

@@ -178,6 +178,9 @@ def setIsColorOnly(self, is_color_only: bool):
   def getIsColorOnly(self) -> bool:
     return self.is_color_only
 
+  def setDefaultColor(self, color : Color):
+    self.last_color = QColor(color.r, color.g, color.b)
+
   def showMenu(self):
     menu = QMenu(self)
     action_color = menu.addAction(self._tr_set_color_fill.get())

src/preppipe_gui_pyside6/toolwidgets/imagepack.py

@@ -181,6 +181,7 @@ def setData(self, packid : str | None = None, category_kind : ImagePackDescripto
         nameLabel = QLabel(trname.get())
         self.bind_text(nameLabel.setText, trname)
         inputWidget = MaskInputWidget()
+        inputWidget.setDefaultColor(self.pack.masks[index].mask_color)
         match mask.get_param_type():
           case ImagePackDescriptor.MaskParamType.IMAGE:
             inputWidget.setIsColorOnly(False)