style(gui): 增大标签列最小宽度改善对齐

a1_swap_mod_packer/gui.py

@@ -585,16 +585,9 @@ class MainWindow(QMainWindow):
         input_handling_row.addWidget(self.clear_after_build_check)
         input_handling_row.addStretch(1)
 
-        # 标签列统一宽度，控件自然对齐
-        left_labels = ["新输入的默认份数", "换盘后等待时间", "最后换盘", "3MF 元数据", "批处理模式"]
-        right_labels = ["热床降温", "剩余时间板号", "G-code 补丁", "ZIP 压缩", "输入处理"]
-        # 计算两侧标签最大宽度，保证控件列对齐
-        font_metrics = self.fontMetrics()
-        left_width = max(font_metrics.horizontalAdvance(t) if hasattr(font_metrics, 'horizontalAdvance') else font_metrics.width(t) for t in left_labels) + 12
-        right_width = max(font_metrics.horizontalAdvance(t) if hasattr(font_metrics, 'horizontalAdvance') else font_metrics.width(t) for t in right_labels) + 12
-        grid.setColumnMinimumWidth(0, left_width)
-        grid.setColumnMinimumWidth(2, right_width)
-        # 标签左对齐
+        # 标签列固定宽度（左对齐），控件列自动对齐（stretch=1 平分空间）
+        grid.setColumnMinimumWidth(0, 140)
+        grid.setColumnMinimumWidth(2, 100)
         for label_text, row, col in [
             ("换盘 G-code", 0, 0),
             ("新输入的默认份数", 1, 0),