Passing the smart value to the callback for smart widgets

slightlynybbled · slightlynybbled · commit 9728770cbed4 · 2018-05-04T14:50:56.000-04:00
diff --git a/examples/smart_checkbutton.py b/examples/smart_checkbutton.py
@@ -0,0 +1,19 @@
+import tkinter as tk
+import tk_tools
+
+
+# this callback doesn't necessarily have to take the 'value', but it is considered good practice
+def callback(value):
+    print(value)
+
+
+if __name__ == '__main__':
+
+    root = tk.Tk()
+
+    scb = tk_tools.SmartCheckbutton(root)
+    scb.grid()
+
+    scb.add_callback(callback)
+
+    root.mainloop()
diff --git a/examples/smart_optionmenu.py b/examples/smart_optionmenu.py
@@ -2,8 +2,9 @@
 import tk_tools
 
 
-def callback():
-    print(drop_down.get())
+# this callback doesn't necessarily have to take the 'value', but it is considered good practice
+def callback(value):
+    print(value)
 
 
 if __name__ == '__main__':
diff --git a/tk_tools/version.py b/tk_tools/version.py
@@ -1 +1 @@
-__version__ = '0.9.1'
+__version__ = '0.9.2'
diff --git a/tk_tools/widgets.py b/tk_tools/widgets.py
@@ -23,7 +23,10 @@ def add_callback(self, callback: callable):
         :return: None
         """
         def internal_callback(*args):
-            callback()
+            try:
+                callback()
+            except TypeError:
+                callback(self.get())
 
         self.var.trace('w', internal_callback)
 
@@ -159,12 +162,13 @@ def callback():
     :param options: any options that are valid for tkinter.Checkbutton
     """
     def __init__(self, parent, callback: callable=None, **options):
+        self._parent = parent
         self.var = tk.BooleanVar()
-        tk.Checkbutton.__init__(parent, variable=self.var, **options)
+        super().__init__(self._parent, variable=self.var, **options)
 
         if callback is not None:
             def internal_callback(*args):
-                callback()
+                callback(self.get())
             self.var.trace('w', internal_callback)
 
 

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-__version__ = '0.9.1'`
	`1`	`+__version__ = '0.9.2'`