tkHyperlinkManager.py

#########################################################################
# External code to allow insertion of hyperlinks in tkinter text widget #
#                            Creator: Fredik Lundh                      #
#      Source: http://effbot.org/zone/tkinter-text-hyperlink.htm        #
#########################################################################

from tkinter import *

class HyperlinkManager:

    def __init__(self, text):

        self.text = text

        self.text.tag_config("hyper", foreground="blue", underline=1)

        #self.text.tag_bind("hyper", "<Enter>", self._enter) #Removed to prevent conflict with pressing Enter to send a message
        self.text.tag_bind("hyper", "<Leave>", self._leave)
        self.text.tag_bind("hyper", "<Button-1>", self._click)

        self.reset()

    def reset(self):
        self.links = {}

    def add(self, action):
        # add an action to the manager.  returns tags to use in
        # associated text widget
        tag = "hyper-%d" % len(self.links)
        self.links[tag] = action
        return "hyper", tag

    def _enter(self, event):
        self.text.config(cursor="hand2")

    def _leave(self, event):
        self.text.config(cursor="")

    def _click(self, event):
        for tag in self.text.tag_names(CURRENT):
            if tag[:6] == "hyper-":
                self.links[tag]()
                return