Is it possible to half-page down and up in Eclipse? - eclipse

I have been trying to scroll half-page down/up within Eclipse (in Windows). Checked key-bindings but found nothing there. Is this possible in Eclipse with a short cut key? If it is not possible then can I integrate this with a plugin?

Out of the box, there is no defined function that will scroll up/down a half page. I'm not aware of a plugin that provides this. One plugin that provides several functions related to navigation (and many others) is Emacs+, but that also does not provide any "half-page" navigation options.

Self answering after a long time.
This is possible with Vrapper (Vim-like) plugin for Eclipse. It is basically bringing Vim environment in Eclipse but without breaking any existing Eclipse functionality.
Same shortcuts in Vim is valid also for this plugin.
CTRL+D is half-page down.
CTRL+U is half-page up.
Before using Vrapper keyboard shortcuts, make sure you unbind those keys from Eclipse.

Related

How to disable eclipse4 built-in keyboard shortcut?

Eclipse 4.2 seem has some built-in shortcuts, such as Ctrl+P, Alt+C, Alt+X etc, you can not find them from "Window->preferences->General->Keys". I'd like to re-define these shortcuts, e.g. bind Alt+X to run maven build, but when i press Alt+X, at the bottom right corner of Eclipse, it flashes quickly and my mouse is out of control, i think this is because of shortcut conflict.
Anyone who know how to disable the built-in shortcuts? Thanks.
Edit:
Ctrl+p is only bind to one action.
When i click Ctrl+p, the bottom right corner show, this message is from from eclipse:
Well, the above is the good situation--at least you can choose which action to run. for Alt+P, Alt+c you have no chance to choose, eclipse is flipping and you are out of control.
Are you certain there isn't something in your OS or another application that is handling those keyboard triggers? If you assign a keyboard shortcut in Eclipse's Preferences, it will indicate when there is a conflict; if you don't see that, then it's not an Eclipse shortcut.
I found the root cause of this problem, i import all my keys from Eclipse 3.7 to 4.2, most of them works, however some of them conflict but Eclipse fails to show the conflict shortcuts, Let's say, Ctrl+P, this is print shortcut for eclipse by default, in eclipse 3.7 i bind Ctrl+p to another command, after import, eclipse 4.2 shows just like 3.7(see above), however in fact it still has conflict even though it does not show the conflict. I think this might be an eclipse bug. I'm the one who use shortcut extensively. Hope this help others with migrating shortcuts.

Move Eclipse's Find/Replace dialog to a view?

I find Eclipse's (Eclipse 3.7, Indigo, running under Mac OS X 10.6.8) Find/Replace floating dialog box to be very annoying. Part of the time it ends up obscuring the search results. Is there any way to have Eclipse move the Find/Replace somewhere else? I'd like it to be a pop-up view, as I often do with the Console, Servers, Outline, and other views. However, if it could be incorporated into the view which it's searching, that would be great, too.
Eclipse's Find / Replace dialog is a dialog, not a view, so you can't drag and drop it to one of the view areas.
Here's a Eclipse search plugin that might work for you. Scroll all the way to the bottom of the page to get the Software Update link.
Worst case, you could write your own Eclipse plug-in that creates a view that does a Find / Replace.
TL;DR
Find/replace cannot be used as a view. Here are two ways to find text without obstructing the search:
Use incremental search (CTRL+J)
Use the quick search plugin (CTRL+SHIFT+L)
Pros and cons
Both approaches behave differently from the traditional find/replace and may require some getting used to.
Approach 1.
It works out of the box, no need to install a plugin, but it (currently) does not support pasting nor searching for the current selection (but there is CTRL+K for the latter). You can use UP and DOWN or repeat CTRL+J or CTRL+SHIFT+J to jump between matches.
Approach 2.
This still opens a dialog, but one which integrates the search results rather than obscuring them. I suggest resizing it to have a good preview size.
The default shortcut shadows the "Show Key Assist" original, but this can be changed. It is an extra install and AFAIK only supports case sensitive searches, but it supports searching for the selection and pasting.
It shows matches across files, starting with the top open editor (if you have more than one visible, e.g. side by side, it sometimes does not start with the one you were last on). You can move between matches with UP and DOWN and hit enter to go back to the editor on the selected match.
NOTE
I suppose on OSX you can replace CTRL with CMD in keyboard shortcuts above to achieve the same, but I could not test it. The shortcuts can be customized in Preferences->General->Keys

Choose-Command popup in Eclipse

I would like to ask if there exists some functionality in eclipse where it's possible to choose all available commands, instead of having to remember all the shortcuts.
Something like the command palette in sublime text 2. Where you by pressing ctrl+shift+p (windows/linux) get an input popup box where all availble commands can be choosen.
Does such a feature exists for eclipse, or should I develop it by myself?
Thanks in advance.
I just bumped into this feature by accident but looking up to see if I figure how to get to it. it looked like it popped up when I started typing after having launched eclipse without focusing on any particular view... more to come as soon as I find out for sure.
EDIT: Apparently when you first launch Eclipse the focus is on the "Quick Action" search box on the top right of the tool bar and that's where you can start typing command names for it to list and let you pick in good Sublime Text style. Not sure how to shortcut into the box other than clicking it, but apparently there's the feature.
EDIT#2: http://www.vogella.com/tutorials/EclipseShortcuts/article.html#shortcuts_overview describes Ctrl+3 as being the shortcut to get there, on the Mac it translates to Cmd+3.
I haven't been able to find anything, so I have started on developing my own plugin.

How Do I Switch Between Multiple Eclipse Windows (in "Split Screen" Mode)

Eclipse allows you to open more than one text editing "window" at a time to get a "split screen" effect. This is great, but the problem I'm having is that there doesn't seem to be any way to switch between these windows, directly.
Now, you can use the usual commands (Ctrl+Page Down, CTRL+e, ALT+RIGHT, etc.) to switch between specific buffers. In other words, if I have window 1 with A.java and B.java open, and window 2 with C.java open, I can use Ctrl+Page Down to go from A, to B, to C. However, I can't just go from A or B (ie. from window 1) in to C (ie. to window 2), unless I use CTRL+e and type in "C.java".
There are half a million Eclipse commands though, and they're certainly not all labeled consistently, so it's quite possible I'm just failing to find the relevant command. Does anyone out there in SO-land happen to know it?
By default, its Ctrl+F6. However, its useful if you map you keys to Ctrl+Tab to switch between open editors like Windows.
You can change your preferred keys in Window>Preferences>General>Keys and change "Next Editor" to any key of your choice(Ex: Ctrl+Tab). Hope this is what you needed.
This can be achieved easily if you are using Vrapper in Eclipse. Vrapper
is a Vim plugin for Eclipse. If you are trying to maximize your productivity in Eclipse like we all are, it's well worth the try.
Once you got it installed, check out the Split Editor Plugin for Vrapper. You can then create splits on the fly and switch between them using the standard Vim shortcut: Ctrl-w w
Bonus: don't forget to maxmize your editors using Ctrl-m. If your editor ever loses focus for some reason, regain it by pressing Ctrl-F12
Finally open any file in your project using Ctrl-Shift-r
Edit from anula comment:
A useful thing to mention here: Ctrl-w by default binds to closing window, so if you want to use it as in Vim you need to first go to Window->Preferences->General->Keys and unbind "Close".
You can install the HandySplit plugin from Eclipse Marketplace and bind its 'Toggle focus between split editors' command to any keyboard shortcut you like.

Eclipse Back/Forward navigation using mouse buttons

There is an addin for Visual Studio called MouseNavi that allows you to use mouse thumb buttons to navigate your history.
Does a similar extension exist for Eclipse?
I don't know of any Eclipse plugin that does this, but assuming you're using Windows:
This one should enable you to do what you want: http://www.highrez.co.uk/downloads/XMouseButtonControl.htm
With that tool you can assign each mouse button a sequence of keys (Alt+Left for example) and because it can be made application specific it won't interfere with other programs where you don't want that mapping.
Alt+Left and Alt+Right to navigate through the latest opened editors.
Also, Alt+L to open up the shortcuts popup, so you can see what's available.
No real mouse navigation control though (not that I know of... at least). Although, should not be very difficult to create one and attach it to the same handlers that deal with the navigation commands.
^Q takes you to last edited location. You can cycle using it. No mouse bindings.