I want to create a unique, small tooltip window to appear when I hover over each row of a Treeview widget.
I can't work out how to bind <Enter> and <Leave> events to each row uniquely.
Add a comment
|
1 Answer
No need to <Enter> or <Leave>. You can use <Motion> instead:
This code is a modified version of this post
import tkinter as tk
from tkinter import Label, ttk
def highlight_row(event):
tree = event.widget
item = tree.identify_row(event.y)
if tree.item(item,'text')!='':
lbl.config(text=tree.item(item,'text'))
lbl.place(x=event.x, y=event.y)
else:
lbl.place_forget()
tree.tk.call(tree, "tag", "remove", "highlight")
tree.tk.call(tree, "tag", "add", "highlight", item)
root = tk.Tk()
tree = ttk.Treeview(root, style = 'W.TButton')
vsb = ttk.Scrollbar(root, command=tree.yview)
tree.configure(yscrollcommand=vsb.set)
vsb.pack(side="right", fill="y")
tree.pack(side="left", fill="both", expand=True)
tree.tag_configure('highlight', background='lightblue')
tree.bind("<Motion>", highlight_row)
lbl=Label(root,bg="white")
for i in range(100):
tree.insert("", "end", text=f"Item #{i+1}")
tree.tag_bind(i, '<Motion>', highlight_row)
root.mainloop()
1 Comment
AndrewK
Thank you, I have solved my problem with the
<Motion> event. However, it was quite a lot simpler than the way it is used in the question you referenced.