Message 350222 - Python tracker

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In-reply-to
Author	terry.reedy
Recipients	GeeTransit, terry.reedy
Date	2019年08月22日.18:21:04
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1566498064.13.0.2551267711.issue37902@roundup.psfhosted.org>

Content
'mousescroll' was not exact because the mouse is also used to scroll with the scrollbar. 'handlescroll' is worse. 'wheelscroll' seems awkward. 'scrollwheel' (scroll with the mouse wheel) is specific. At least in idlelib, event handlers are routinely called something_event, so use 'wheel_event'. Pressing the wheel is a Button-3 event (there used to be 3-button mice before wheeels) and a handler for that would be 'button3_event' or 'button3_press_event'.

Content

'mousescroll' was not exact because the mouse is also used to scroll with the scrollbar. 'handlescroll' is worse. 'wheelscroll' seems awkward. 'scrollwheel' (scroll with the mouse wheel) is specific. At least in idlelib, event handlers are routinely called something_event, so use 'wheel_event'. Pressing the wheel is a Button-3 event (there used to be 3-button mice before wheeels) and a handler for that would be 'button3_event' or 'button3_press_event'.

History
Date	User	Action	Args
2019年08月22日 18:21:04	terry.reedy	set	recipients: + terry.reedy, GeeTransit
2019年08月22日 18:21:04	terry.reedy	set	messageid: <1566498064.13.0.2551267711.issue37902@roundup.psfhosted.org>
2019年08月22日 18:21:04	terry.reedy	link	issue37902 messages
2019年08月22日 18:21:04	terry.reedy	create

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