[TxMt] PageUp/Down Behavior...

[Brendan Dixon]

This got sent w/o a subject...oops.

Brendan Dixon
brendandixon at mac.com
425.922.8798


Begin forwarded message:

> From: Brendan Dixon <brendandixon at mac.com>
> Date: February 22, 2007 8:52:37 AM PST
> To: TextMate users <textmate at lists.macromates.com>
> Subject: [TxMt] (no subject)
> Reply-To: TextMate users <textmate at lists.macromates.com>
>
>
>>> [...] Is there a keybinding or some other default I can set to  
>>> make PageUp/Down actually move one page up/down based solely on  
>>> the visible lines, not the location of the caret? (Move PageUp/ 
>>> Down would then, either re-center the caret on the new page or  
>>> place it at the same relative location.)
>>>
>>
>> The default behavior is to move exactly one page up/down without  
>> moving the caret (look at the scrollbar for the exact distance  
>> moved).
>>
>> You can change it e.g. to move the caret as well [1]. Could it be,  
>> that you already changed this, but moved the movePageUp:/ 
>> movePageDown: selectors? If so, you get a third behavior, where  
>> caret will first move to the screen boundaries, and then move a page.
>>
>>
>> [1] http://macromates.com/blog/archives/2005/07/05/key-bindings- 
>> for-switchers/
>>
>
> I just verified my key bindings and they're at the defaults (e.g.,  
> PageUp binds to pageUp:). I tried binding to movePageUp: just to  
> verify. What I'm seeing is different than what you've described.  
> Perhaps I've altered some other binding, but heck if I can find it.
>
> As long as the caret is on the center line, I get the behavior you  
> describe. If the caret is not on the center line then I get other  
> behavior. For example, if display is showing lines 283-364 (so, 82  
> lines per page), if the caret is on line 323 (the center) and I  
> page up, the windows displays lines 201-282 (that is, it's move  
> backward by 82 lines. However, if the caret is on line 360 (below  
> center) and I page up, the window displays (roughly) lines 237-319  
> and the caret is on line 278. It's moving backward one page as  
> measured from the caret location (360 - 82 = 278) and then making  
> that line the center. The visual effect is a movement of more/less  
> than a whole page depending on how far from center you are.
>
> It seems that Xcode and TextMate do the same, while BBEdit moves a  
> strict page up/down (perhaps leaving the caret outside of the  
> visible window). If I could request something, what I would prefer  
> is to always move exactly one page up/down based on the window size  
> alone, regardless of where the caret is. If that leaves the caret  
> outside the window, well, Ok. It'd be cool if the caret would land  
> on the same relative position on the newly displayed page (e.g., if  
> displaying 100-200 with caret on 175, a page down would display  
> 200-300 with caret on 275).
>
> Is this making sense? Are there defaults or bindings I can change  
> to obtain this effect?
>
> Brendan Dixon
> brendandixon at mac.com
> 425.922.8798
>
>
>
> ______________________________________________________________________
> For new threads USE THIS: textmate at lists.macromates.com
> (threading gets destroyed and the universe will collapse if you don't)
> http://lists.macromates.com/mailman/listinfo/textmate

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.macromates.com/textmate/attachments/20070222/512e7659/attachment.html>