Write migrated widgets as stylevars also, to preserve backwards compa…

…tibility

src/exporting/stylevar.py

@@ -1,9 +1,11 @@
 """Export stylevar selections."""
 from srctools import Keyvalues, bool_as_int
 
-from . import ExportData, STEPS, StepResource
-from packages import StyleVar
+from config.widgets import WidgetConfig
+from packages import ConfigGroup, StyleVar
+import config
 
+from . import ExportData, STEPS, StepResource
 
 
 @STEPS.add_step(prereq=[], results=[StepResource.VCONF_DATA])
@@ -14,8 +16,17 @@ async def step_add_stylevars(exp_data: ExportData) -> None:
     """
     style_vars: dict[str, bool] = exp_data.selected[StyleVar]
     # Add the StyleVars block, containing each style_var.
-    exp_data.vbsp_conf.append(Keyvalues('StyleVars', [
+    block = Keyvalues('StyleVars', [
         Keyvalues(key, bool_as_int(val))
         for key, val in
         style_vars.items()
-    ]))
+    ])
+    # Also add all widgets that were stylevars, so previous packages still function.
+    for group in exp_data.packset.all_obj(ConfigGroup):
+        for widget in group.widgets:
+            if widget.stylevar_id:
+                value = config.APP.get_cur_conf(WidgetConfig, widget.conf_id()).values
+                if isinstance(value, str):
+                    block[widget.stylevar_id] = value
+
+    exp_data.vbsp_conf.append(block)