diff options
Diffstat (limited to 'Tools/idle/ScrolledList.py')
-rw-r--r-- | Tools/idle/ScrolledList.py | 14 |
1 files changed, 11 insertions, 3 deletions
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 @@ class ScrolledList: 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 @@ class ScrolledList: 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): |