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author | Terry Jan Reedy <tjreedy@udel.edu> | 2016-05-22 23:10:31 (GMT) |
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committer | Terry Jan Reedy <tjreedy@udel.edu> | 2016-05-22 23:10:31 (GMT) |
commit | 0d9220e162f1e5f8caa3d7ebaa54665776d361a1 (patch) | |
tree | a4fa9f7cafdfc93fde86b8ffd6088d739bb93e01 /Lib/idlelib/tooltip.py | |
parent | dc4f7c09cc934524a763498250e30123a0d9d2c5 (diff) | |
download | cpython-0d9220e162f1e5f8caa3d7ebaa54665776d361a1.zip cpython-0d9220e162f1e5f8caa3d7ebaa54665776d361a1.tar.gz cpython-0d9220e162f1e5f8caa3d7ebaa54665776d361a1.tar.bz2 |
Issue #24225: Rename many idlelib/*.py and idlelib/idle_test/test_*.py files.
Diffstat (limited to 'Lib/idlelib/tooltip.py')
-rw-r--r-- | Lib/idlelib/tooltip.py | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/Lib/idlelib/tooltip.py b/Lib/idlelib/tooltip.py new file mode 100644 index 0000000..964107e --- /dev/null +++ b/Lib/idlelib/tooltip.py @@ -0,0 +1,97 @@ +# 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("<Enter>", self.enter) + self._id2 = self.button.bind("<Leave>", self.leave) + self._id3 = self.button.bind("<ButtonPress>", 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("+%d+%d" % (x, y)) + self.showcontents() + + def showcontents(self, text="Your text here"): + # Override this in derived class + label = Label(self.tipwindow, text=text, justify=LEFT, + background="#ffffe0", 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="#ffffe0") + listbox.pack() + for item in self.items: + listbox.insert(END, item) + +def _tooltip(parent): + root = Tk() + root.title("Test tooltip") + width, height, x, y = list(map(int, re.split('[x+]', parent.geometry()))) + root.geometry("+%d+%d"%(x, y + 150)) + label = Label(root, text="Place your mouse over buttons") + label.pack() + button1 = Button(root, text="Button 1") + button2 = Button(root, text="Button 2") + button1.pack() + button2.pack() + ToolTip(button1, "This is tooltip text for button1.") + ListboxToolTip(button2, ["This is","multiple line", + "tooltip text","for button2"]) + root.mainloop() + +if __name__ == '__main__': + from idlelib.idle_test.htest import run + run(_tooltip) |