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?? CREDITS.txt(1.82 KB)
?? ChangeLog(55.04 KB)
?? HISTORY.txt(10.07 KB)
?? Icons
?? NEWS.txt(47.65 KB)
?? NEWS2x.txt(26.54 KB)
?? README.txt(9.37 KB)
?? TODO.txt(8.28 KB)
?? __init__.py(396 B)
?? __main__.py(159 B)
?? __pycache__
?? autocomplete.py(8.74 KB)
?? autocomplete_w.py(19.64 KB)
?? autoexpand.py(3.14 KB)
?? browser.py(8.12 KB)
?? calltip.py(6.17 KB)
?? calltip_w.py(6.99 KB)
?? codecontext.py(11.06 KB)
?? colorizer.py(12.69 KB)
?? config-extensions.def(2.21 KB)
?? config-highlight.def(2.8 KB)
?? config-keys.def(10.65 KB)
?? config-main.def(3.09 KB)
?? config.py(37.28 KB)
?? config_key.py(14.13 KB)
?? configdialog.py(102.07 KB)
?? debugger.py(18.66 KB)
?? debugger_r.py(11.86 KB)
?? debugobj.py(3.96 KB)
?? debugobj_r.py(1.06 KB)
?? delegator.py(1.02 KB)
?? dynoption.py(1.97 KB)
?? editor.py(64.08 KB)
?? extend.txt(3.56 KB)
?? filelist.py(3.8 KB)
?? format.py(15.41 KB)
?? grep.py(7.3 KB)
?? help.html(60.76 KB)
?? help.py(11.46 KB)
?? help_about.py(8.77 KB)
?? history.py(3.95 KB)
?? hyperparser.py(12.58 KB)
?? idle.py(454 B)
?? idle.pyw(570 B)
?? idle_test
?? iomenu.py(20.15 KB)
?? macosx.py(9.44 KB)
?? mainmenu.py(3.83 KB)
?? multicall.py(18.21 KB)
?? outwin.py(5.65 KB)
?? parenmatch.py(7.04 KB)
?? pathbrowser.py(3.12 KB)
?? percolator.py(3.06 KB)
?? pyparse.py(19.48 KB)
?? pyshell.py(55.91 KB)
?? query.py(14.55 KB)
?? redirector.py(6.71 KB)
?? replace.py(9.66 KB)
?? rpc.py(20.64 KB)
?? run.py(19.82 KB)
?? runscript.py(8.58 KB)
?? scrolledlist.py(4.36 KB)
?? search.py(5.44 KB)
?? searchbase.py(7.36 KB)
?? searchengine.py(7.3 KB)
?? sidebar.py(13.27 KB)
?? squeezer.py(12.54 KB)
?? stackviewer.py(4.35 KB)
?? statusbar.py(1.41 KB)
?? textview.py(6.65 KB)
?? tooltip.py(6.41 KB)
?? tree.py(15.97 KB)
?? undo.py(10.79 KB)
?? window.py(2.55 KB)
?? zoomheight.py(4.1 KB)
?? zzdummy.py(961 B)

Editing: tooltip.py

"""Tools for displaying tool-tips.

This includes:
 * an abstract base-class for different kinds of tooltips
 * a simple text-only Tooltip class
"""
from tkinter import *

class TooltipBase(object):
    """abstract base class for tooltips"""

def __init__(self, anchor_widget):
        """Create a tooltip.

anchor_widget: the widget next to which the tooltip will be shown

Note that a widget will only be shown when showtip() is called.
        """
        self.anchor_widget = anchor_widget
        self.tipwindow = None

def __del__(self):
        self.hidetip()

def showtip(self):
        """display the tooltip"""
        if self.tipwindow:
            return
        self.tipwindow = tw = Toplevel(self.anchor_widget)
        # show no border on the top level window
        tw.wm_overrideredirect(1)
        try:
            # This command is only needed and available on Tk >= 8.4.0 for OSX.
            # Without it, call tips intrude on the typing process by grabbing
            # the focus.
            tw.tk.call("::tk::unsupported::MacWindowStyle", "style", tw._w,
                       "help", "noActivates")
        except TclError:
            pass

self.position_window()
        self.showcontents()
        self.tipwindow.update_idletasks()  # Needed on MacOS -- see #34275.
        self.tipwindow.lift()  # work around bug in Tk 8.5.18+ (issue #24570)

def position_window(self):
        """(re)-set the tooltip's screen position"""
        x, y = self.get_position()
        root_x = self.anchor_widget.winfo_rootx() + x
        root_y = self.anchor_widget.winfo_rooty() + y
        self.tipwindow.wm_geometry("+%d+%d" % (root_x, root_y))

def get_position(self):
        """choose a screen position for the tooltip"""
        # The tip window must be completely outside the anchor widget;
        # 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 :-(
        #
        # Note: This is a simplistic implementation; sub-classes will likely
        # want to override this.
        return 20, self.anchor_widget.winfo_height() + 1

def showcontents(self):
        """content display hook for sub-classes"""
        # See ToolTip for an example
        raise NotImplementedError

def hidetip(self):
        """hide the tooltip"""
        # Note: This is called by __del__, so careful when overriding/extending
        tw = self.tipwindow
        self.tipwindow = None
        if tw:
            try:
                tw.destroy()
            except TclError:  # pragma: no cover
                pass

class OnHoverTooltipBase(TooltipBase):
    """abstract base class for tooltips, with delayed on-hover display"""

def __init__(self, anchor_widget, hover_delay=1000):
        """Create a tooltip with a mouse hover delay.

anchor_widget: the widget next to which the tooltip will be shown
        hover_delay: time to delay before showing the tooltip, in milliseconds

Note that a widget will only be shown when showtip() is called,
        e.g. after hovering over the anchor widget with the mouse for enough
        time.
        """
        super(OnHoverTooltipBase, self).__init__(anchor_widget)
        self.hover_delay = hover_delay

self._after_id = None
        self._id1 = self.anchor_widget.bind("<Enter>", self._show_event)
        self._id2 = self.anchor_widget.bind("<Leave>", self._hide_event)
        self._id3 = self.anchor_widget.bind("<Button>", self._hide_event)

def __del__(self):
        try:
            self.anchor_widget.unbind("<Enter>", self._id1)
            self.anchor_widget.unbind("<Leave>", self._id2)  # pragma: no cover
            self.anchor_widget.unbind("<Button>", self._id3) # pragma: no cover
        except TclError:
            pass
        super(OnHoverTooltipBase, self).__del__()

def _show_event(self, event=None):
        """event handler to display the tooltip"""
        if self.hover_delay:
            self.schedule()
        else:
            self.showtip()

def _hide_event(self, event=None):
        """event handler to hide the tooltip"""
        self.hidetip()

def schedule(self):
        """schedule the future display of the tooltip"""
        self.unschedule()
        self._after_id = self.anchor_widget.after(self.hover_delay,
                                                  self.showtip)

def unschedule(self):
        """cancel the future display of the tooltip"""
        after_id = self._after_id
        self._after_id = None
        if after_id:
            self.anchor_widget.after_cancel(after_id)

def hidetip(self):
        """hide the tooltip"""
        try:
            self.unschedule()
        except TclError:  # pragma: no cover
            pass
        super(OnHoverTooltipBase, self).hidetip()

class Hovertip(OnHoverTooltipBase):
    "A tooltip that pops up when a mouse hovers over an anchor widget."
    def __init__(self, anchor_widget, text, hover_delay=1000):
        """Create a text tooltip with a mouse hover delay.

anchor_widget: the widget next to which the tooltip will be shown
        hover_delay: time to delay before showing the tooltip, in milliseconds

Note that a widget will only be shown when showtip() is called,
        e.g. after hovering over the anchor widget with the mouse for enough
        time.
        """
        super(Hovertip, self).__init__(anchor_widget, hover_delay=hover_delay)
        self.text = text

def showcontents(self):
        label = Label(self.tipwindow, text=self.text, justify=LEFT,
                      background="#ffffe0", relief=SOLID, borderwidth=1)
        label.pack()

def _tooltip(parent):  # htest #
    top = Toplevel(parent)
    top.title("Test tooltip")
    x, y = map(int, parent.geometry().split('+')[1:])
    top.geometry("+%d+%d" % (x, y + 150))
    label = Label(top, text="Place your mouse over buttons")
    label.pack()
    button1 = Button(top, text="Button 1 -- 1/2 second hover delay")
    button1.pack()
    Hovertip(button1, "This is tooltip text for button1.", hover_delay=500)
    button2 = Button(top, text="Button 2 -- no hover delay")
    button2.pack()
    Hovertip(button2, "This is tooltip\ntext for button2.", hover_delay=None)

if __name__ == '__main__':
    from unittest import main
    main('idlelib.idle_test.test_tooltip', verbosity=2, exit=False)

from idlelib.idle_test.htest import run
    run(_tooltip)

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Editing: tooltip.py

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