- White background.
- Display "(None)" (or text of your choosing) when empty.
- Don't set the focus.
diff --git a/Tools/idle/ScrolledList.py b/Tools/idle/ScrolledList.py
index a5f9a29..7fb1c20 100644
--- a/Tools/idle/ScrolledList.py
+++ b/Tools/idle/ScrolledList.py
@@ -1,6 +1,8 @@
from Tkinter import *
class ScrolledList:
+
+ default = "(None)"
def __init__(self, master, **options):
# Create top frame, with scrollbar and listbox
@@ -9,7 +11,8 @@
self.frame.pack(fill="both", expand=1)
self.vbar = vbar = Scrollbar(frame, name="vbar")
self.vbar.pack(side="right", fill="y")
- self.listbox = listbox = Listbox(frame, exportselection=0)
+ self.listbox = listbox = Listbox(frame, exportselection=0,
+ background="white")
if options:
listbox.configure(options)
listbox.pack(expand=1, fill="both")
@@ -22,16 +25,21 @@
listbox.bind("<ButtonPress-3>", self.popup_event)
listbox.bind("<Key-Up>", self.up_event)
listbox.bind("<Key-Down>", self.down_event)
- # Set the focus
- listbox.focus_set()
+ # Mark as empty
+ self.clear()
def close(self):
self.frame.destroy()
def clear(self):
self.listbox.delete(0, "end")
+ self.empty = 1
+ self.listbox.insert("end", self.default)
def append(self, item):
+ if self.empty:
+ self.listbox.delete(0, "end")
+ self.empty = 0
self.listbox.insert("end", str(item))
def get(self, index):