* make CallTip and ToolTip sub-classes of a common abstract base class
* remove ListboxToolTip (unused and ugly)
* greatly increase test coverage
* tested on Windows, Linux and macOS
(cherry picked from commit 87e59ac11e)
Co-authored-by: Tal Einat <taleinat+github@gmail.com>
Fix-up class name duplication in PR GH-7807. Combined effect is that
module calltips and its class CallTips are now calltip and Calltip.
In module calltip_w class CallTip is now CalltipWindow.
(cherry picked from commit 9af1836664)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Improve consistency and appearance. Module idlelib.calltips is now calltip.
Class idlelib.calltip_w.CallTip is now Calltip.
(cherry picked from commit 06e2029dfa)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Create a template for minimally testing a tkinter-using module by importing it and instantiating its class(es). Add a test file for all non-startup IDLE modules. Edit existing files and update coverage. This is part 1 of 3, covering the 21 autocomplete to help modules and touching 33 idlelib files.
(cherry picked from commit ee5ef309c7)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>