'''
May 2017
@author: Burkhard
'''
#############################################################
# NOTE: This module is meant to be imported by other modules.
#############################################################
#======================
# imports
#======================
import tkinter as tk
class ToolTip(object):
def __init__(self, widget):
self.widget = widget
self.tipwindow = None
self.id = None
self.x = self.y = 0
def showtip(self, text):
"Display text in tooltip window"
self.text = text
if self.tipwindow or not self.text:
return
x, y, _cx, cy = self.widget.bbox("insert")
x = x + self.widget.winfo_rootx() + 27
y = y + cy + self.widget.winfo_rooty() +27
self.tipwindow = tw = tk.Toplevel(self.widget)
tw.wm_overrideredirect(1)
tw.wm_geometry("+%d+%d" % (x, y))
label = tk.Label(tw, text=self.text, justify=tk.LEFT,
background="#ffffe0", relief=tk.SOLID, borderwidth=1,
font=("tahoma", "8", "normal"))
label.pack(ipadx=1)
def hidetip(self):
tw = self.tipwindow
self.tipwindow = None
if tw:
tw.destroy()
#===================================================================
def createToolTip(widget, text):
toolTip = ToolTip(widget)
def enter(event):
toolTip.showtip(text)
def leave(event):
toolTip.hidetip()
widget.bind('<Enter>', enter)
widget.bind('<Leave>', leave)
