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10.4: Zoom window via control-scroll System 10.4
I just discovered something that I believe came about in 10.4.8. If you hold down the Control key and then scroll using the mouse (for me it is two fingers on the MacBook Pro's track pad), then the entire screen will zoom at the point where the mouse is. This is not related to the Universal Access setup, since I have everything turned off in there. It appears the only way to zoom out is to scroll back up.

[robg adds: This feature used to be reserved for those with the Mighty Mouse, but it was added to the Mouse tab in the Keyboard & Mouse System Preferences panel as of 10.4.8. Using the Mouse tab, you can disable the feature, or change the modifier. You can also change how the screen scrolls by using the Options button. On my G5, for some reason, the only option that works right is "leave cursor centered in image;" the others both prevent me from reaching screen top or bottom. I assume this is a local issue and not a general bug.]
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10.4: Zoom window via control-scroll | 25 comments | Create New Account
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10.4: Zoom window via control-scroll
Authored by: markhuot on Oct 11, '06 08:13:07AM

When I try to zoom in using dual monitors I can move my mouse. It starts to zoom fine but then as soon as the mouse moves the zoom jumps to the bottom of the screen and refuses to move anywhere else? I've been having this problem since 10.0. Can anyone else replicate this issue?



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10.4: Zoom window via control-scroll
Authored by: siMac on Oct 11, '06 08:25:48AM

Same here, can only see the bottom of the screen, no higher than the top of the smallest display. If I had an actual serious use for this function I'd be quite upset. As it is I'm just mildly inconvenienced.



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10.4: Zoom window via control-scroll
Authored by: altglbrs on Oct 11, '06 10:13:22AM

Same deal here.. I noticed this before 10.4.8, using the standard CmdOpt= and CmdOpt- for zooming in and out.

Frustrating indeed... I find myself zooming a lot..



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10.4: Zoom window via control-scroll
Authored by: tim1724 on Oct 11, '06 12:38:28PM

Yeah, this is broken on most multi-monitor setups in all versions of 10.4. I filed a bug report with Apple a long time ago, but they haven't fixed it so far. Hopefully the fix will be in Leopard.



---
Tim Buchheim



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10.4: Zoom window via control-scroll
Authored by: WOPR on Oct 11, '06 08:48:19AM

This was in 10.4.7 on my Core 2 Duo iMac.



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10.4: Zoom window via control-scroll
Authored by: lestmak on Oct 11, '06 08:53:32AM

Spotted this, but it interferes with my Zoom in MS Word/Excel. However, can't find where to switch this off! It's not in the mouse tab of Keyboards & Mouse in System Prefs as Rob suggests but I'm using a Logitech MX700 mouse. Anyone with any ideas.



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10.4: Zoom window via control-scroll
Authored by: Anonymous on Oct 11, '06 10:18:09AM
I found a new background program called UniversalAccessApp running, so I Googled for it and found the following thread on the forums for disabling it:
http://forums.macosxhints.com/showthread.php?t=61454

However, since finding this hint, I tried Ctrl-Scroll with my Mighty Mouse and found it zoomed in and out. I then checked the Mouse tab but found no tick next to 'Zoom using scroll ball while holding'. I then ticked and unticked it and found that it was then actually switched off and UniversalAccessApp had disappeared. Why this is switched on by default without the option being ticked seems like a bug to me.

What's even worse, is that my other Mac, an old iBook with no scroll capabilities, does not have the option to turn this off. It seems absurd that an option should be running in the background, when I haven't even connected any scroll-capable hardware.

Looks like I'll have to try the forum hint or try connecting my Mighty Mouse to the iBook to see if the option is revealed in the Mouse tab.

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10.4: Zoom window via control-scroll
Authored by: unforeseen:X11 on Oct 11, '06 11:13:39AM

In my opinion, the way the scrollwheel zooms in/out should be reverted, but I'm one of the few invert-mouse-FPS-gamers. ;-)

However, an option to change this behaviour would be great.

---
this is not the sig you`re looking for.



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10.4: Zoom window via control-scroll
Authored by: cougar718 on Oct 11, '06 11:23:55AM

I'm an inverted FPS gamer too, mainly because of my piloting background. That being said, I don't know how you could even want to have a set up where when you scroll backwards it would zoom the screen in. Now see, I understand scrolling a webpage could be reversed because the slider or scroller is oriented vertically....

But something that moves in and out, that I can't see reversing.

But I guess that is what makes all of unique :P

---
Rick alias cougar



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10.4: Zoom window via control-scroll
Authored by: rwmitchell on Oct 11, '06 12:45:50PM

To me, inverted also makes sense. When rolling the mouse away from me, I feel like I'm pushing away, but the image gets closer. Likewise, when I'm pulling the wheel towards me, I feel like I should be getting closer, but the image goes away instead.



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10.4: Zoom window via control-scroll
Authored by: cougar718 on Oct 12, '06 11:08:42AM

That is just wild! Never thought of it in that regard.

In my opinion this does not make sense because when we deal with rotation we use clock wise and counter-clock wise. The direction you think as "push" would be counter-clock wise which always spins away from you.
And the direction you think as "pull" would be clock wise which always spins towards you.

This does not make sense to me and seems to be incorrect for the way the wheel is intended. The wheel spins forward and backward. You can not push/pull a wheel. You can only turn it. A flight stick can be pushed and pulled because the flight stick does not rotate. The bottom of the stick is fixed.

Think of it that way maybe it will help you lose that habbit.

---
Rick alias cougar



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10.4: Zoom window via control-scroll
Authored by: leebennett on Oct 11, '06 03:29:51PM

Guess I may as well add my "me too" for the same problem.

It's on a TiBook 1GHz with a second monitor added. However, at work, on my Quad G5 with a VGA tube (through DVI adapter) as the primary monitor and an old 15" Studio Display (through Apple's clunky ADC adapter brick) in the secondary slot---the zooming works fine. I can scroll around with dual display without this problem.



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10.4: Zoom window via control-scroll
Authored by: vnoel on Oct 12, '06 04:19:18AM

I haven't seen this mentioned anywhere so here goes : it isn't obvious at first, but this feature has an enormous untapped potential - it basically solves in one single shot the problem of zooming in and out in documents, which is present in most text-based applications. This particular problem has plagued web designers (for example) for years now (it's pretty hard to switch the text size while retaining the overall look and feel of a webpage). It also helps while viewing youtube videos or whatever else. All we need now is a vector-based zoom, so the text is not pixelated... which is scheduled to appear in Leopard.



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10.4: Zoom window via control-scroll
Authored by: MCDr on Oct 12, '06 09:31:39AM

You can also adjust the Opacity of a Window using your scrollwheel. Hold down ctrl-cmd & scroll down. Nice.



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10.4: Zoom window via control-scroll
Authored by: mcamou on Oct 12, '06 12:34:17PM

OMG, this is awesome! I used InvisiRay on my old PowerBook and was missing it in my new MBP. Wonderful.



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10.4: Zoom window via control-scroll
Authored by: bkemper on Oct 12, '06 12:52:59PM

That doesn't work for me. Maybe that one is Mighty Mouse only?



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10.4: Zoom window via control-scroll
Authored by: MCDr on Oct 13, '06 12:38:00AM

This only work on my computer at home (iMac G5).
At work DP G5 it doesnt work.. strange.
Both computers use a Logitech mouse.



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10.4: Zoom window via control-scroll
Authored by: ventifact on Oct 12, '06 08:56:42PM
I find this more spontaneous to quickly zoom in on a Flash movie or game than the Universal access Command+Option+8 then Command+Option+ =, –

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10.4: Zoom window via control-scroll
Authored by: hezekiahb on Apr 30, '07 04:52:23PM

The issue with dual monitors all has to do with layout.

If your screens are the exact same size then you won't notice any issues except you might notice part of what you are zooming on will end up in the second monitor.

If your screens are different resolutions you will notice that when coming to one edge the smaller screen will display black where you have left it's resolution & when trying to go over that area it will not let you.

If your screens are offset you can forget zoom (corner to corner) because it seems to get stuck trying to expand across both screens, the screens need to be side by side. You can still zoom in on a mouse centered object using the option+command+8 & then option+command+ (+ or -).

Hope all that helps.

-Hez



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10.4: Zoom window via control-scroll
Authored by: gklka on Jun 24, '07 01:57:30PM

Same problem here.



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Monitor randomly scrolling?!?
Authored by: shadowvine on Feb 06, '08 06:44:05AM

Hi, I am not so familiar with MAC to dig thru this, but this morning I came into my office, boot up my MAC, and find my display screen scrolling madly about whenever I move my mouse. I tried swapping out the keyboard and mouse, nothing, I turned off the zoom while holding feature under mouse (I changed it to only move when mouse reaches the edge though and that helped a bit), but nothing seems to keep it from scrolling. Is there another way to stop this? It never did it before, I wasnt even aware it could do this.



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Monitor randomly scrolling?!?
Authored by: shadowvine on Feb 06, '08 06:50:48AM

Oh, and I am not on dual monitors. :) But I must say this is getting rather frustrating! I feel like I am on a boat or something, things sliding this way and that....



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Monitor randomly scrolling?!?
Authored by: magicrebirth on Feb 13, '08 02:20:35AM

Hi. Dont know it may help, but I had the same problem after installing the latest 10.4.11 update. The display was wobbling and moving around as I touched the mouse. By chance I zoomed out all the way using the CTRL+ScrollDown command (using the double-fingers movement on the new trackpads), and the problem was fixed... display back to normal!



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Monitor randomly scrolling?!?
Authored by: hasenmaus on Nov 21, '09 03:43:06PM

I just ran into the same problem and tried the ctrl scroll down as you suggested; it also resolved the problem (OS 10.4.11).

Does anyone know what may have caused the initial problem of the screen moving as the mouse moved?

Thanks for the tip!



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Monitor randomly scrolling?!?
Authored by: hasenmaus on Nov 21, '09 03:43:08PM

I just ran into the same problem and tried the ctrl scroll down as you suggested; it also resolved the problem (OS 10.4.11).

Does anyone know what may have caused the initial problem of the screen moving as the mouse moved?

Thanks for the tip!



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