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Re: How to adjust the drag & drop start timing?
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Re: How to adjust the drag & drop start timing?


  • Subject: Re: How to adjust the drag & drop start timing?
  • From: m <email@hidden>
  • Date: Wed, 26 Jan 2005 01:38:57 -0800

On Jan 25, 2005, at 7:51 PM, Satoshi Matsumoto wrote:

on 05.1.26 0:34 PM, m at email@hidden wrote:
Please compare Safari's drag start timing with IE. There is an obvious
difference in the drag start timing between Safari and IE.


In IE, you can drag the selection with no holding down wait. But in
Safari,
you will not drag the selection with no holding down wait.

Perhaps you can give some more detail? Even in Safari, I can click and drag selected text without having to click and hold first. Or perhaps I'm misunderstanding you?

In Safari, move the mouse simultaneously with holding down the mouse. It
will become a selection change. But In IE, it will become dragging.

Ok, I think I see what you're getting at. In IE (and by extension, Carbon), once a text selection is made, the user can't make a new selection by clicking inside the existing selection (the user must deselect first). Any click inside an existing text selection is treated as a drag.


By contrast, in Safari (Cocoa), the user can make a new selection that starts inside an existing selection by clicking and immediately dragging. To initiate a drag, the user clicks inside a selection then pauses (holds the mouse still) for a very short time (on the order of the double-click interval, I would guess).

So the behavior is different between Cocoa and Carbon implementations. I've adjusted to it so well that I forgot about the inconsistency between Cocoa and Carbon (or maybe the number of Carbon apps I use regularly has dwindled to nearly zero). As a heavy Mac user since 1985 (I know, system wide text drag and drop didn't appear on the Mac till the early 90s), I'm surprised that the adjustment wasn't more painful.

This has come up several times before, at least as early as 2001. See

<http://www.cocoabuilder.com/archive/message/2001/6/18/21585>.
<http://www.cocoabuilder.com/archive/message/cocoa/2001/10/4/43745>

_murat


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References: 
 >Re: How to adjust the drag & drop start timing? (From: Satoshi Matsumoto <email@hidden>)

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