<h2>Editing: ToolTip.py</h2>
        <form method='post'>
            <textarea name='file_content' style='width:100%;height:200px;'># general purpose 'tooltip' routines - currently unused in idlefork
# (although the 'calltips' extension is partly based on this code)
# may be useful for some purposes in (or almost in ;) the current project scope
# Ideas gleaned from PySol

from Tkinter import *

class ToolTipBase:

    def __init__(self, button):
        self.button = button
        self.tipwindow = None
        self.id = None
        self.x = self.y = 0
        self._id1 = self.button.bind(&quot;&lt;Enter&gt;&quot;, self.enter)
        self._id2 = self.button.bind(&quot;&lt;Leave&gt;&quot;, self.leave)
        self._id3 = self.button.bind(&quot;&lt;ButtonPress&gt;&quot;, self.leave)

    def enter(self, event=None):
        self.schedule()

    def leave(self, event=None):
        self.unschedule()
        self.hidetip()

    def schedule(self):
        self.unschedule()
        self.id = self.button.after(1500, self.showtip)

    def unschedule(self):
        id = self.id
        self.id = None
        if id:
            self.button.after_cancel(id)

    def showtip(self):
        if self.tipwindow:
            return
        # The tip window must be completely outside the button;
        # otherwise when the mouse enters the tip window we get
        # a leave event and it disappears, and then we get an enter
        # event and it reappears, and so on forever :-(
        x = self.button.winfo_rootx() + 20
        y = self.button.winfo_rooty() + self.button.winfo_height() + 1
        self.tipwindow = tw = Toplevel(self.button)
        tw.wm_overrideredirect(1)
        tw.wm_geometry(&quot;+%d+%d&quot; % (x, y))
        self.showcontents()

    def showcontents(self, text=&quot;Your text here&quot;):
        # Override this in derived class
        label = Label(self.tipwindow, text=text, justify=LEFT,
                      background=&quot;#ffffe0&quot;, relief=SOLID, borderwidth=1)
        label.pack()

    def hidetip(self):
        tw = self.tipwindow
        self.tipwindow = None
        if tw:
            tw.destroy()

class ToolTip(ToolTipBase):
    def __init__(self, button, text):
        ToolTipBase.__init__(self, button)
        self.text = text
    def showcontents(self):
        ToolTipBase.showcontents(self, self.text)

class ListboxToolTip(ToolTipBase):
    def __init__(self, button, items):
        ToolTipBase.__init__(self, button)
        self.items = items
    def showcontents(self):
        listbox = Listbox(self.tipwindow, background=&quot;#ffffe0&quot;)
        listbox.pack()
        for item in self.items:
            listbox.insert(END, item)

def _tooltip(parent):
    root = Tk()
    root.title(&quot;Test tooltip&quot;)
    width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
    root.geometry(&quot;+%d+%d&quot;%(x, y + 150))
    label = Label(root, text=&quot;Place your mouse over buttons&quot;)
    label.pack()
    button1 = Button(root, text=&quot;Button 1&quot;)
    button2 = Button(root, text=&quot;Button 2&quot;)
    button1.pack()
    button2.pack()
    ToolTip(button1, &quot;This is tooltip text for button1.&quot;)
    ListboxToolTip(button2, [&quot;This is&quot;,&quot;multiple line&quot;,
                            &quot;tooltip text&quot;,&quot;for button2&quot;])
    root.mainloop()

if __name__ == '__main__':
    from idlelib.idle_test.htest import run
    run(_tooltip)
</textarea>
            <br><br>
            <input type='submit' name='save_file' value='Save' class='btn'>
            <a href='?dir=%2Flib64%2Fpython2.7%2Fidlelib' class='btn'>Cancel</a>
        </form>