Add placholder

AutoCompleter.py

@@ -9,23 +9,33 @@ import os
 import requests
 
 class AutoCompleter(Entry):
-    def __init__(self, parent, **kwargs):
+    def __init__(self, parent, placeholder, **kw):
+        Entry.__init__(self, parent, **kw)
         self.parent = parent
-        Entry.__init__(self, parent, **kwargs)
+        self.placeholder = placeholder
+        self.placeholder_color = "grey"
+        self.default_fg_color = self['fg']
+
+        self.bind("<FocusIn>", self.foc_in)
+        self.bind("<FocusOut>", self.foc_out)
+
         self.lb = Listbox(self.parent)
         self.lb_up = False
         self.has_selected = False
         self.queue = Queue.Queue()
 
-        self.var = self["textvariable"]
-        if self.var == '':
-            self.var = self["textvariable"] = StringVar()
+        self.var = self["textvariable"] = StringVar()
 
         self.var.trace('w', self.changed)
+        self.put_placeholder()
         self.bind("<Any-Key>", self.keypressed)
-
+        
         self.update_me()
 
+    def put_placeholder(self):
+        self['fg'] = self.placeholder_color
+        self.insert(0, self.placeholder)
+
     def keypressed(self, event):
         key=event.keysym
         if key == 'Down':
@@ -38,6 +48,15 @@ class AutoCompleter(Entry):
         elif key == 'Escape' and self.lb_up:
             self.hide_list()
 
+    def foc_in(self, *args):
+        if self['fg'] == self.placeholder_color or self.get() == self.placeholder:
+            self.delete('0', 'end')
+            self['fg'] = self.default_fg_color
+
+    def foc_out(self, *args):
+        if not self.get():
+            self.put_placeholder()
+            
     def changed(self, name, index, mode):
         if self.var.get().__len__() < 3 and self.lb_up or self.has_selected:
             self.hide_list
@@ -108,7 +127,7 @@ class AutoCompleter(Entry):
 
     def query_systems(self):
         inp = self.var.get()
-        if inp.__len__() >= 3:
+        if inp != self.placeholder and inp.__len__() >= 3:
             url = "https://spansh.co.uk/api/systems?"
             results = requests.get(url, 
                 params={'q': inp}, 
@@ -138,6 +157,6 @@ class AutoCompleter(Entry):
 if __name__ == '__main__':
     root = Tk()
 
-    widget = AutoCompleter(root)
+    widget = AutoCompleter(root, "Test")
     widget.grid(row=0)
     root.mainloop()