use ttk as default theme

scomm.json

@@ -1,4 +1,10 @@
 {
+"Frame":{
+    "name":"frame-root",
+    "text":" ",
+    "column": 1,
+    "row": 1,
+    "weight": 1,
     "Button":[
         {
             "name":"btn-scan",
@@ -77,6 +83,13 @@
             "row": 5
         }
     ],
+    "Combobox":{
+        "name":"cbbox-com",
+        "width":20,
+        "column": 2,
+        "columnspan": 2,
+        "row": 1
+    },
     "Checkbutton":[
         {
             "name":"ckbtn-rhex",
@@ -122,38 +135,26 @@
         }
     ],
     "Entry": [
-        {
-            "name":"entry-com",
-            "bg":"gold",
-            "width":20,
-            "column": 2,
-            "columnspan": 2,
-            "row": 1
-        },
         {
             "name":"entry-baud",
-            "bg":"gold",
             "width":10,
             "column": 4,
             "row": 1
         },
         {
             "name":"entry-split",
-            "bg":"gold",
             "width":10,
             "column": 6,
             "row": 3
         },
         {
             "name":"entry-cycle",
-            "bg":"gold",
             "width":10,
             "column": 6,
             "row": 4
         },
         {
             "name":"entry-sendText",
-            "bg":"gold",
             "column": 1,
             "columnspan": 9,
             "row": 6
@@ -248,4 +249,18 @@
             }
         ]
     }
+},
+"Separator":{
+    "name":"sepline",
+    "column": 1,
+    "row": 2
+},
+"Label":[
+    {
+        "name":"label-status",
+        "text":"scomm",
+        "column": 1,
+        "row": 3
+    }
+]
 }

scomm.py

@@ -14,10 +14,7 @@ def open_wm_data(root,btn):
     if _cfg:
         root.entry('entry-dfile').set(_cfg.get('title', btn))
         root.get('text-dsetting').insert('end', _cfg.get('value'))
-        if _cfg.get('hex'):
-            root.get('ckbtn-dhex').select()
-        else:
-            root.get('ckbtn-dhex').deselect()
+        root.checkbox('ckbtn-dhex').set(_cfg.get('hex') and 1 or 0)
         root.button('btn-dsave', cmd=_save_dfile, focus=True)
 def open_wm_pack(root,btn):
     print('debug: toplevel=%s'%btn)
@@ -67,4 +64,5 @@ if __name__ == '__main__':
         except:
             pass
 
+    root.configure(background='#e8e8e8')
     root.mainloop()

tkgen/gengui.py

@@ -145,11 +145,11 @@ class TkJson(tkinter.Tk):
 
         try:
             widget_factory = getattr(
-                tkinter, name) if self.prefer_tk else getattr(ttk, name)
+                ttk, name) if self.prefer_tk else getattr(tkinter, name)
         except AttributeError:
             try:
                 widget_factory = getattr(
-                    ttk, name) if self.prefer_tk else getattr(tkinter, name)
+                    tkinter, name) if self.prefer_tk else getattr(ttk, name)
             except AttributeError:
                 traceback.print_exc()
                 raise AttributeError(