![]() ![]() On my Air 2011 i7, scrolling a two pages long PHP file uses about 70% CPU according to Activity Monitor. Scrolling is horribly CPU intensive, and slow as described. ![]() This is still an issue with Juno and Kepler. I haven't looked at the code, but any (and all of) these options have a noticeable impact on scrolling performance. For ultimate speed, also turn off "Show line numbers" and "Show print margin". Ie: Eclipse > Preferences > General > Editors > Text Editors > Show whitespace characters (turn this off).Ĥ. Disabling the display of "show whitespace characters" the problem goes away! Changing startup memory sizes etc (the usual eclipse optimizations) has no effect.ģ. On a 30" display it's so painful Eclipse is unusable.Ģ. On an external 24" display it is very frustrating. eg: I almost never notice it on a built-in 11" display. The slow-down is proportional to the size of the display. This is on Indigo (build 20120216-1857) and Juno on a new iCore 7 machine, 8GB ram and SSD, OSX 10.8.2, regardless of JDK 1.6 or 1.7.ġ. I've experienced the same issue - extremely slow scrolling of structured (Java and XML) editors. Screenshot: Suppress call drawRect when nextEventMatchingMask on stack What scrolling looks like on I20171015-0655 VisualVM Profile (.nps) of inertial scrolling w/ line numbers enabledĮclipse 3.4 carbon versus newer and patched Video showing slow scrolling on macOS (10.12.3) in Eclipse (4.6.2) #ITERM2 SCROLL WITH TRACKPAD MAC OS X#This screen may be a little different on newer Mac OS X systems, but I’ve loaned my new MacBook Pro to a friend, and can’t look at it at the moment.Flame graph captured from simple profile while scrolling This preferences panel is shown in the following image: ”, and then you can select which key to use. In that panel there will be a setting that says, “Zoom using scroll wheel while holding. On Mac OS X 10.6.x, follow these steps to set this preference: Once you click the “Use scroll gesture with modifier keys to zoom,” you should find that the zoom-in, zoom-out feature works as I’ve described here. In the following image, the “1” indicates that the first step in the process is to search for “zoom,” and then the “2” shows the checkbox that needs to be clicked: On Mac OS X 10.9 (and possibly 10.7 and 10.8), I find it easiest to search for the word “zoom” inside of the System Preferences dialog, then go to the Accessibilities option that lets you click the checkbox that needs to be clicked. If this tip doesn't work for you by default, take a look at your System Preferences settings. ![]() Just hold down the key, then slide your finger to the top or bottom of the mouse, and you’ll zoom in and out just like you would with a mouse scrollwheel. I just bought an Apple Magic Mouse for use with my iMac, and you can use it to zoom in/out just like you can use a mouse with a scrollwheel. A lot of times I’ll find myself making text larger in Firefox by changing the font size ( + to make the font larger, - to make it smaller), but I prefer this Mac zoom-in/zoom-out approach. Again, hold down the key, but this time take two fingers and swipe upwards on the trackpad area to zoom in, then use your two fingers to swipe downwards to zoom out. You can also zoom in and zoom out your screen on a MacBook Pro trackpad. Zoom Out: Press the key and scroll down with the mouse. Zoom In: Press the key and scroll up with the mouse. To summarize, here are the Mac/iMac screen zoom commands: #ITERM2 SCROLL WITH TRACKPAD HOW TO#Note: If this doesn’t work on your system, scroll down to the “Not working?” section below, where I describe how to fix this problem. The entire Mac screen zooms in and out, just like the “software zoom” on a digital camera. If you’re using a Mac desktop system (iMac or Mac Pro) with a keyboard and a mouse with a mousewheel, just press and hold the key, then scroll the mousewheel up and down, and you’ll see what I mean. Note that this solution has been tested on macOS (formerly Mac OS X) systems from OS X 10.6 through macOS 10.14. The solutions are shown in the sections that follow. Yes, you can “zoom in” or “zoom out” your Mac screen. MacOS screen zooming FAQ: Is there a way I can zoom in and zoom out my Mac screen (iMac, MacBook, MacBook Pro, Mac Mini)? ![]()
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