Look on your bag bar... there's a button on the left end that looks like... well... a button. Click that and it will open your button bag which will contain all of the addon buttons that normally appear around your minimap.

See the attached image (below) -- it clearly labels what all of the parts of nUI's default layout screen are.

Just click the attached image to view it full sized...

At the moment, there is no in-game way to do this... it's on the to-do list to make modifying nUI's layout, elements and options possible via a GUI tool. However, for now, that is not possible.

The short answer to your question, then, is no. However, the long answer is that you can do it by hand if you really want to. Edit the file [ Interface > AddOns > nUI > Layouts > Default > nUI_Layout_Default_Dashboard.lua ] and locate the section "nUI_DefaultConfig.ButtonBars" which has subsections in it for every action bar nUI supports. Each one of those sections has a "btn_size =" option in it which controls how big the action bar buttons are on that bar... changing the button size will cause the cause the button to be bigger or smaller accordingly.

You can play with it while you're in game... open the file in a plain text editor (like notepad) and make your change, then save the file and use the '/nui rl' slash command to reload the UI. If you like what you so, you're done. If not, you can change it again and save it then reload the UI again, rinse and repeat until you get the size the way you want it.

There is, however, a side effect... if you change the button size, then the whole bar gets bigger or smaller, and that means it doesn't fit in the space provided for it anymore, either. You can use the '/nui movers' option to unlock the action bars so you can move them if you need to.

I'll add, as well, that you can comment out, or remove, bar from the layout as well which will remove them from nUI's display. The characters "--[[" start a block comment and "]]--" ends a block comment so in the following example, the main action bar is visible and the the second bar is removed...

-- Code:
nUI_DefaultConfig.ButtonBars =
{
    ["nUI_ActionBar"] =
    {
        btn_size = 53.5,
        gap      = 2,
        anchor   = "BOTTOM",
        xOfs     = 0,
        yOfs     = 123,
        rows     = 1,
        cols     = 12,
        page     = 1,
        nuibind  = "nUI_ACTIONBAR",
        binding  = "ACTIONBUTTON",
        label    = nUI_L["nUI_ActionBar"],
    },

--[[
    -- the Bliz "bottom left" bar

    ["nUI_TopLeftBar"] =
    {        
        btn_size = 53.5,
        gap      = 2,
        anchor   = "TOPRIGHT",
        yOfs     = 122,
        xOfs     = 0,
        rows     = 1,
        cols     = 12,
        page     = 6,
        nuibind  = "nUI_TOPLEFTBAR",
        binding  = "MULTIACTIONBAR1BUTTON",
        label    = nUI_L["nUI_TopLeftBar"],
    },
]]--
};

Yes... no... and yes.

If the problem you are having is with your chat frame, then yes you can change the font size. Just mouse over the top left of the chat frame (or combat log) slightly above the frame until you see the "Settings" tab... you'll find and option there to choose a font size. You can use that to increase or decrease the size of your chat frame font.

If the problem you are having is with the text in your action buttons or debuffs, then the short answer is no, you can't change it. For now (until I rework the action buttons) the font size is tied to the button size and the only way to change the button size is to hand edit the layout file.

Which leads to the long answer... yes, you can change the font size if you really are adamant about it. Edit the file [ Interface > AddOns > nUI > Layouts > Default > nUI_Layout_Default_Dashboard.lua ] and locate the section "nUI_DefaultConfig.ButtonBars" which has subsections in it for every action bar nUI supports. Each one of those sections has a "btn_size =" option in it which controls how big the action bar buttons are on that bar... changing the button size will cause the font size to change proportionally with it. There is, however, a side effect... if you change the button size, then the whole bar gets bigger or smaller, and that means it doesn't fit in the space provided for it anymore, either.

You did what?! Have you lost your mind?! You can fix your chat window by installing nUI again... and don't you dare remove it a second time or I'll come leave paper cups in your driveway!

~kidding~

Unfortunately, WoW saves all the setting changes made to the chat frame which makes it the only thing nUI can't "undo" when you uninstall it. You have to fix your chat frame by hand.
It's very easy to fix... move your mouse over the top left corner of your chat frame, slightly above the chat frame, and you'll see the "Settings" tab appear for the chat window. Inside the settings tab is an option that says "Unlock" -- choose that and then you can drag the chat window wherever you would like to place it and you can make it whatever size you like. When you have it where you want it, go back to the settings tab and lock the chat window back down.

The other thing you'll probably want to do is change the background color. nUI makes the chat frame transparent which can make it very hard to read the text if you don't have the dashboard art behind it. Again, go to the settings tab and about half way down you'll find the option for setting your background color and transparency... just click that and then you can set it as you would like it to be.

Your combat log will also be in the wrong place. To fix it, do the same thing, mouse over the top left of the combat log until you get the settings tab for it, then unlock the window and drag it until the combat log's settings tab is over top of the chat frame settings tab and let go of the mouse button. That will "dock" the combat log back onto the chat frame and you're all set. Just mouse over the settings tab again and lock it back down.

As mentioned elsewhere... nUI Pro is not a "for sale" version of nUI. It is a thank you for your voluntary donation to support nUI's development. So the answer to that question, in short, is that as soon as I have a chance to process my e-mail notices, I add your name to my e-mail list and e-mail you back a thank you for your donation.

I try to acknowledge everyone's donations as quickly as I can... I consider it a matter of character and respect. If you're going to make the effort to make a donation and support my development of nUI, I feel responsible for acknowledging that in as timely a manner as I can. Of course, I can't be at the computer 24 hours a day, either.

As a rule, I try to send out my thank you e-mails as soon as I receive the e-mail notice of your donation if I'm at my computer when it arrives. Otherwise, if I am out of the house, I'll check my e-mail as soon as I return as well as first thing in the morning when I drag my butt out of bed. As a rule, unless something really unusual is going on, within a few hours... typically a half a day at most.

Just please be patient and understand I do have to leave the keyboard every once and a while ~smile~ but I will send you an e-mail as soon as I can. Remember... even geeks sleep.

nUI Lite is the version of nUI that's available for public download here on WoWI, at nUI's official web site (www.nUIaddon.com) and the other WoW MOD sites... Curse.com and wowui.worldofwar.net -- nUI Pro is a special version of nUI I use to say thank you to the people who take the time to make a donation to support nUI's ongoing development. nUI Pro is only available via direct e-mail from me and nUI Pro is not supported on any of the WoW MOD sites, including WoWI.

As for the current feature differences, at present the only code difference between Pro and Lite is that the Pro version includes 15, 20, 25 and 40 man raid panels. In addition, supporters will get immediate updates and bug fixes as soon as they are made via the Pro version while the Lite version will be updated on a less frequent basis.

In addition, as an nUI supporter, you are also elibable to participate in nUI's beta test program. By default I will only e-mail out copies of nUI Pro to supporters when there are updates to nUI for use on the live realms. Once Bliz opens the public test realm (PTR) for the next upcoming patch to WoW, I generally stop making live realm releases (other than maintenance releases for bug fixes) and I start working on porting nUI to have it ready for release when the next WoW patch goes live.

As an nUI supporter, you are both eligible and welcome to participate in the nUI PTR Beta Test program... just send me an e-mail to let me know that you would like to participate in the PTR Beta Test program and I will move your e-mail address from the supporter list to the beta tester list. Once that is done, you'll receive updates to the current PTR development versions of nUI as they are released and can assist me in testing on the PTR.

All of the following are either currently already under development for the Pro version or soon will be...

As for the planned feature differences (which will be part of the update cycle for the Pro version but will not be immediately available in the Lite version), the Pro version will also include GUI tools for all of its slash command options as well as GUI layout tools for customizing the layout, enabling and disabling built in features and customizing pretty much every element of the UI. The Pro version will also support, obviously, custom layouts and will support multiple layouts where each character you have can have its own layout (like a DPS interface, a healy interface, etc.). nUI Pro will support downloadable custom layouts as well where you can download a different layout for nUI that someone else created, just install the layout and start using it.

Other features that will be in the Pro version (but may eventually be in the Lite version sooner than later) is the ability to save profiles, to create action button sets and save them so you can easily switch between action bar setups for questing, for raiding and for PvP, etc. as well as the ability to maintain multiple sets of key bindings.

Attached are screen shots of the 15, 20, 25 and 40 man raid frames in nUI Pro.

Just click the image to view it full sized....

Yes and no.

First... nUI is self-scaling... the layout engine calculates the best scale to make the layout properly fit in the width of your display and calculates the best vertical scale to keep square things square and round things round regardless of the display resolution you are playing at.

Generally speaking, nUI's default layout is designed for use on displays between 17" and 22" and, in my opinion, looks best on a wide-screen format. At 17" the UI is good as long as you have good eyesight or good glasses ~grin~ but it's right on the edge. At 22" the layout begins to border on being too big which is less of a problem than the too small issue.

If your display size is less than 17", odds are that the buttons are tiny and the text is, as well. But here's the issue... if you scale it all up larger, then the left and right sides of the dashboard extend out of the viewable area and you can't read your chat or see your info panel display. So while the first reaction is "can I scale this up?" the truth is that if you did, you couldn't use the UI.

On the flip side, if you think the UI is too big, you can manually override the scaling to make it smaller. It does, however, have a bit of a nasty side effect... nUI resizes the world frame and moves it up vertically to compensate for the fact the the dashboard uses vertical space. This creates an empty black rectangle behind the dashboard that is normally hidden. If you scale the UI down, then the dashboard no longer covers that ugly black bar... though if you wanted to be creative, you could probably cover it up with something.

Because nUI does not willingly support rescaling, there is no in-game option to modify the UI scale. However, if you really really must do it, you can manually set your horizontal and/or vertical scale. You begin by exiting WoW entirely and editing the file [ WTF > Account > {your account} > {realm} > {character} > SavedVariables > nUI.lua ] with any plain text editor (notepad for example). You'll want to modify the nUI_Options section of the file to add the following lines...

-- Code:
 nUI_Options = {
    ["scale"] = 1,
    ["hScale"] = {your horizontal scale setting},
    ["vScale"] = {your vertical scale setting},

The "scale = 1" line tells nUI to use a custom scale instead of the default calculated scale. The "hScale" and "vScale" lines give the actual scale values that you want to use. As long as these three values are defined in your saved variables file for that character, nUI will use your scaling in place of the default and it will not alter that, even if you change display resolutions.

By default, nUI calculates the value of the horizontal and vertical scales as follows...

-- Code:
    hScale = {your display width} / 2560
    vScale = {your display height} / 1600

In practice, the vertical scale actually used is tweaked slightly depending on the aspect ratio of your display in order to keep squares square and circles round. The rule for this tweak is as follows...

-- Code:
    if width/height = 1.778 then vScale = vScale * 0.95
    if width/height = 1.250 then vScale = vScale * 0.75
    if width/height = 1.333 then vScale = vScale * 0.80
    if width/height = 1.600 then vScale = vScale * 0.95

In order to properly set your scale, you'll need to make these edits to your nUI.lua saved variables file for the character and save it, then log into WoW and test the settings. If you're not happy with the result you'll need to log the character back out (you do not have to exit WoW though) and change your settings again, resaved them and log back in... rinse and repeat until you are satisfied with your manual scale selection.

This is a side-effect of playing Bliz's favorite class (well, besides the DK I guess). The Blizzard action bar engine supports a total of 120 action buttons on 10 bars of 12 buttons each. The first six pages are you primary action bar and the alternate pages 2-5. The other four pages are the shape shift form pages used for warrior stances, rogue stealth, druid forms, possession and vehicles (a form of possession).

Without getting into the boring geeky stuff about the hows and whys, nUI uses the Bliz's action bar engine in order to ensure maximum reliability and compatability both with Bliz's code and with other mods. For now at least, what you see on the nUI screen is what Bliz directly support. In due time I will extend nUI's action bars to support more than the default 120 buttons, but not in the near future.

It just so happens that the druid Moonkin build is the only one that uses all ten bars. For every other class and build, that action bar at the bottom right of the dashboard is unused and available as an "extra" bar. Unfortunately, that is not true for Boomkin and until I extend nUI's action bar engine, I'm afraid there's just no getting around it.

No... it is not a bug... it's how the Blizzard action bar engine works.

Odds are that prior to using nUI you were using another bar mod like Bongos or Bartender that offered you the ability to create special bars. However, the Bliz engine does not have a kitty stealth bar. You can verify that by disabling all mods and logging onto your druid, shifting to kitty form and then stealthing... no special bar.

In due time, nUI will extend its action bar capabilities to include creating special bars like this. But for now, in order to ensure maximum compatibility, nUI adheres strictly to the rules Bliz has defined for the primary action bar's behavior.

This is a bug that was introduced in WoW 3.0 that affects all unit frames other than the ones that are built into WoW... I keep hoping Bliz will get it fixed, so far they have not. You can, however, still set a focus.

There are three ways to do this...

The first method is to target the player or mob your want to set as your focus and use the key binding to set focus. If you don't have a key binding set for this, or aren't sure what your key binding for setting focus is, just press ESCAPE to open the Bliz interface menu, select "Key Bindings" and scroll down the list to the targeting section.

The second method is to target the player or mob you want to set as your focus and then type the slash command "/focus" -- you can also set a focus this way without even targeting the player or mob, just type "/focus {name}" using the player or target's name. The command "/clearfocus" will remove your focus.

The final method is much like the second... use the slash command "/macro" to open WoW's macro editor and create a new macro. For the macro command itself, just type in "/focus" and then drag the icon for the macro onto your action bars somewhere (such as the bottom left bar). You can then target any player or mob and just click the action button to set it as your focus.

Most people who "discover" nUI have already been using other addons to modify their user interface... bar mods, custom unit frames, (de)buff trackers and so on. Many of these other addons create databases of configuration information in your World of Warcraft WTF folder and, quite often, either duplicate or outright conflict with features that are built directly into nUI. At a minimum, they often are redundant features and serve only to increase your memory usage and decrease your frame rate.

With that in mind, I always recommend nUI users start out with a truly clean installation of nUI as the *only* addon they have installed. This is easy to do, easy to undo if you decide you want to stop using nUI, and ensures the best performance out of nUI. It remove all conflicts, duplicated functionality and uneeded memory usage as well as old unneeded configuration data.

The first step to doing a clean install is to exit WoW and go to your WoW directory where you will find two sub-folders "WTF" and "Interface. Rename "WTF" to "WTF.saved" and rename "Interface" to "Interface.saved"

Once you're renamed your directories, log back into World of Warcraft again without reinstalling any addons, including nUI. When you get to the character selection screen, look and see if you have an "AddOns" button in the lower left of the screen. If you do, click on it and confirm that there are no addons installed. It should be an empty list. If it isn't, then you need to go back to the first step.

After confirming that you have no addons installed in World of Warcraft, go ahead and log in on one of your characters. Press "Escape" to access the WoW setting menu and set up your video and audio options as well as any other system options as you would like them to be... display resolution, sound quality, etc. When you are satisfied with your system configuration, go ahead and exit WoW again.

If you had macros or key bindings previously that you still want to use, you can copy them from your "WTF.saved/Account/{your account}" directory into your new "WTF/Account/{your account}" directory. The two files you want to copy are "bindings-cache.wtf" and "macros-cache.txt" -- you should *not* copy any other files out of your "WTF.saved" directory.

The next step is to re-install nUI+ (or nUI Release if you're not using nUI+) into your "Interface/AddOns" directory just like you normally would. However, do not install *any* other addons just yet. After you have re-installed nUI, log back into WoW and take some time to play using nothing but nUI. Pay attention to performance and pay attention to what features you feel like you're missing.

By default, nUI throttles its screen updates to a maximum of 30 updates per second on order to reduce system load caused by the UI. However, if you have an older computer or a computer not intended for gaming, that refresh rate may still be too high. If you are still experiencing frame rate issues after doing a clean install and only running nUI, you can try adjusting nUI's update frequency using the slash command '/nui framerate {n}' where {n} is how many times a second you want to do update. Making {n} smaller than thirty will reduce nUI's impact on your system performance, making {n} larger than 30 will make nUI's graphic updates smoother on high powered systems. For slower systems, I recommend trying '/nui framerate 25' or '/nui framerate 20' and see if that doesn't improve your overall system performance.

Once you've had time to get familiar with nUI by itself, I would recommend you start installing the mods you feel you really still need and miss. When you do, I *strongly* recommend you install them one at a time and log back into WoW after each one to test and make sure that installing that mod didn't break nUI or crater your system performance. If it did, please let me know and I'll look into why and see if I can fix it.

Mods that I recommend for use with nUI include Omen3, Recount (Preservation), Deadly Boss Mods, Mozz Full World Map, Clique and Informant. For healers and raiders, nUI is compatible with both Healbot and Grid though I am working to eliminate the need for either. nUI is also compatible with both FuBar and Titan Panel and their respective families of bar plugins. Other popular mods that are compatible with nUI but may have various degrees of impact on system performance include Auctioneer, QuestHelper, Carbonite,Gatherer and ArkInventory to name just a few.

As always, if you have questions or problems, please visit nUI's support forums (see link above)