New Topic Ask a new question or start a discussion Find a Solution Check if your question is already answered Contact Forum Staff Get in touch with the forum moderators and admins. Page 1 of 1 8 posts. Tags: None comma "," separated. Hi, I have laptop connected to external monitor.

Both displays are set to 4K resolution x I have issues with pixelated fonts and icons in some parts of Plasma interface once I set scaling factor to 1. Font DPI is automatically set to when I set scaling factor to 1. The pixelated icons and fonts are visible in the following screenshot text beneath the "Look And Feel" title, the "Get New Looks Any idea if this is a bug or it can be solved somehow? I've noticed that this issue only occurs if I choose a floating point scaling factor 1.

I don't have this issue with 2 for scaling factor, but as said in the first post this factor makes everything too big. I have the same problem, on any scaling not only 1.

kde fractional scaling

The body text of Quipzilla and Kmail for example is rendered very badly. The menu items are sharp but the body of emails and the page itself in the browser has fuzzy fonts. I am on: KDE Frameworks 5. Last edited by Michael on Wed Jun 14, pm, edited 1 time in total. Michael, proud to be a member of KDE forums since Oct. But I wasn't able to get a confirmation or explanation for this from anyone.

If we got confirmation than we could file a bug report and maybe someone would solve it. Maybe it's already being worked on, but I simply didn't get the confirmation from anyone. Thank you for the response. Let's hope it will get fixed soon.

Hi, I found that I suffer from similar problem, but it doesn't occur in Kmail or Qupzilla for me. In my case only system theme selector as shown aboveKDE Store, Plasma loading screen and the darkened pre-shutdown screen are affected, thus I'm not entirely sure if it's exactly the same thing.

Has anyone found any solution to this problem or know anything about any ongoing changes to fix this in the qtwebengine? If the patches have been already applied, I might be looking for another issue. Thank you in advance. Anything new on this? It's mid and there are more and more high resolution monitors out there. It'd be a real pity if this remains unfixed Jacajack Registered Member Posts 1 Karma 0.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Ask Ubuntu is a question and answer site for Ubuntu users and developers. It only takes a minute to sign up. As I am about to move to Ubuntu I am ware of the scale-monitor-framebuffer experimental setting but will it be possible to set monitor 1 to eg. Ubuntu Community Ask! Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Per Display fractional scaling in Gnome 3. Asked 2 years, 6 months ago. Active 2 years, 6 months ago.

Viewed 2k times. JohnDoe JohnDoe 4 4 silver badges 16 16 bronze badges. Active Oldest Votes.

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Yes, It's possible to set this in gnome-control-center. Is this on X or the Wayland experience? Only wayland. Since this was a top hit for me on google trying to find how to set per display scaling I wanted to add how I got it working. I'm running Pop! After following omgubuntu. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.

Email Required, but never shown. The Overflow Blog. The Overflow How many jobs can be done at home? Socializing with co-workers while Social distancing. Featured on Meta. Community and Moderator guidelines for escalating issues via new response…. Feedback on Q2 Community Roadmap.KWin uses NetWM modes internally to do this. Works with Xwayland clients.

Would also work for Wayland clients, just the state cannot be exported to Wayland c. Quick tiling. We don't have an API yet for remote support. Even if we had things like TeamViewer would not work any more. There is also already support in xdg-desktop-portals for convenience of other apps and general support in Flatpaks.

What's still missing is an API for remote input. No clipboard history e. Klipper and clipboard plasmoid and no clipboard sync with KDE Connect. KWin lacks integration the tablet support from libinput. X has the ability to accept fake input events to allow programs such as Easystroke. With the new security model of Wayland, such a program would need to be part of the compositor.

Session restoring does not include Wayland native windows. Our sessions management recover engine is based on the X Session Management Protocol and there is apparently currently no generic concept to do it on Wayland. Broke with switch to XdgShellV6.

Activities are probably not a must-have feature, but anyway this is annoying for those who got accustomed to them on X View View source History. Jump to: navigationsearch.

kde fractional scaling

This page tracks the Wayland showstoppers through out the stack Contents. This page was last edited on 31 Marchat Linux Mint Updating the kernel of Mint or any other Ubuntu derivative to the newer HWE stack would have been really easy, though:.

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That package will pull in mark for installation, in other words the newest version of the hwe kernel 5. You can leave the standard stack installed so that you have the option of selecting older kernel versions at boot time, or you can remove the old stack and save some disk space, if that is your preference.

With all the usual caveats of being on the edge and early adopter and all that… for the kernel parts only. Jumping out of the frying pan into the fire rings true here. Various versions of the kde distro are nice, simple, intuative and packed with eyecandy for windows 7 movers.

All Mint No one will nag you or require you to set up a deferral period or force the update on you or any of that stuff. With any Unlike Windows, a Linux distro is the product of hundreds of unrelated projects that each go at their own pace, fixing bugs and providing new features as they see fit. New versions of any given distro update a bunch of the packages to newer versions from upstream.

Windows 10 users have no such option. Mint is based only on the Ubuntu LTS versions, ignoring the short term releases, with each Mint minor release keeping the Ubuntu bits from upstream, while updating the bits that are not in the core Ubuntu package, like the Cinnamon desktop, which is developed by Mint itself. Others may disagree, and they have the option of sticking with whatever works for them. Mint, in fact, had a KDE version up until quite recently, and it may well have been on that list if it still existed.

It was very similar to Kubuntu, to the point that a lot of people thought it was silly to have two nearly identical products available. Kubuntu releases arrive twice a year, and three out of four of them are short-term releases that are supported for only nine months, after which you must upgrade to the new version if you wish to keep getting updates.

If you want KDE, you will have to either install that into Mint yourself, or go with another distro. If you want one of the desktop environments that Mint uses by default Cinnamon, MATE, XfceMint is a great choice, and remains my favorite if any of those desktops are to be used.

I am not sure if asking this additional double question may not call for a very complicated answer. In case there is a simple enough answer, here it goes:. Better security from new malware threats?

Anything else? All The Mint updater even exhorts the user to think about whether the new Mint version has something they want specifically, and if not, to consider sticking with the old version.

That said, After looking at a long video showing how to make icons that are crisper looking than with previous versions of Mint and reading some comments elsewhere, I think the hidpi difference is in the sharpness of screen objects, not in their sizes.

Or, more precisely, that their sizes, in Cinnamon, still are not being adjusted in smaller steps than from small to twice as large. I am not worried about icons and folders looking a bit blurry, but about being too small in their basic size and too large when twice as large, for me to feel comfortable using them.

It would depend on what they did to support hi-dpi. From what you mentioned before, it seemed that it was scaling everything by 2 in each dimension, which would ordinarily not lead to any blurring. While there have been exceptions a lot of people thought the upgrade from Mint Still, its not Windows 10, so the choice is yours whether to upgrade now, later, much later, or never. I was completely happy with Windows 7 when 10 came out, but I still performed the upgrade on my main PC to try it out.

I could do such things in a VM, but I prefer to do it on hardware I am quite familiar with so that I can properly perceive the differences. Of course, I found 10 wanting and quickly reverted to 7, as I expected I would.

Just before performing the upgrade, I backed up 7 to one of my external hard drives, and then I unplugged that drive and plugged in another external drive and backed it up again. You can give the buttons more contrast, place them in a border, etc.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

It only takes a minute to sign up. I've just installed OpenSuse The resolution is a whopping x Which causes the text to come up tiny Any way for me to scale this without having to lower the resolution I'd like to keep that for watching movies etc. It help a lot already, but some applications and menus just don't adjust See below:.

This is the method suggested for doing this in the Arch Wiki. Ideally the screen size width and height of the monitor screen is automatically detected using the monitor's EDID information. This may not work correctly or not be to the user's preferences.

KDE currently lacks a convenient way to scale everything uniformly. Such a feature would also help to test proper scaling behaviour. Modify the X server's settings.

The DPI value is then calculated from these numbers and the monitor image's resolution in pixels. Use smaller numbers than the real dimension to simulate high DPI make everything appear larger or bigger numbers for low DPI make everything appear smaller.

The X server needs to be restarted for the changes to take effect. The X configuration is automatically determined each time X is started. In most cases, this works well and there is no need to manually specify X configuration information. To create it, run as root. A similar method is also demonstrated on AU here. KDE is made up of large amount of old components, which probably restrict the support available for DPI screens until the components are updated list of things that need doing here - some bits may be better in the new KDE 5 though.

Under Gnome and probably Gnome Classic as wellyou should be able to adjust the scaling setting via Gnome Tweak Tool. See also: Can Linux deal with ultra high resolution displays?

kde fractional scaling

For KDE 5. The best solution of scaling I found so far - is just set resolution to lower 2k instead of original 4k of my laptop. I don't see any blurriness - it is exactly the same as with my 2k display laptop, maybe even better. So my first advice - just lower your resolution.

In my case, I have a 4K primary display and I use Vivaldi as my primary browser. I had installed a new version of KDE-Neon and my scaling was really bad, most text was super tiny.In the last years, more and more displays arise that have a much higher PPI values, which allows for e.

A detailed description on how Qt does try to tackle the challenges of such displays can be found here. More or less the gist of this is: In your application you work on logical pixels in most cases and Qt will do the hard work for you to then paint that in real pixels with the right scaling applied.

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For example, as soon as you work with QPixmap, you will think a bit about where which pixel variant is used. The screenshots are taken on my second screen.

LIB of ktexteditor. This looks kind of strange. What you see is actually no split screen, even that is a pure rendering artifacts, actually, the whole Kate windows is more or less one artifacts. A user reported this in Bug - Rendering issue in dual screen hidpi setup. The user himself investigated this and came to the same conclusion as me, the culprit is some winId call in KonsolePart.

As Kate constructs the KonsolePart widget without a parent first and then insert it into a layout, the code inside the part will call winId on a non-native widget. For people not able to update, a workaround is to disable both project and terminal plugin in your Kate setup, no ideal solution, but makes Kate at least usable again.

You get equal artifacts with most of our software :. They only occur with fractional scaling, e. During debugging, three major issues that lead to the artifacts came up, I created separate bugs for them, as they are not text rendering related:. A workaround for this, now commited for KTextEditor framework and Konsole is to turn the anti-aliasing off for large parts of the rendering.

KTextEditor uses setClipRect to avoid overpainting between individual lines. Unfortunately, like fillRect, setClipRect leads to one pixel being clipped away too early for fractional scaling. Even thought the passed QRectF has the same pure-integer coordinates, this will avoid the clipping errors due to different internal handling.

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KTextEditor uses now this workaround. Even after all this fixed, Konsole still draws some artifacts. Konsole is more relying on paintEvent to clip correctly than KTextEditor.

Unfortunately the internal clipping done for the paintEvent seems to have the same off-by-one rounding issues like the manual setClipRect for QRect instead of QRectF.

This leads to this current state of the rendering in the master branch. You need to play a bit with the scaling factor and font size, too, to trigger the effects, as like all rounding errors, you need specific values to trigger them.

I hope the Qt bugs linked above can be fixed in the near future, as I doubt we can add workaround to all the applications affected nor do we want to and the clipping issue of the paintEvent, if it really is the reason for the last remaining Konsole artifacts, seems not to be really fixable at all in the application code, beside going away from fine grained repaints.

How To Enable HiDPi Scaling on Linux

Here are the matching KTextEditor and Konsole bug report for the above issues. The relevant Qt bugs are linked there again, too. Some of our applications are even still horrible broken for any kind of scaling :. One thing that disturbed me during trying to get rid of the rendering artifacts, is the bit careless choice of scaling factors people use. Feel free to join the discussion at the KDE reddit.

Toggle navigation Ignorance is bliss Projects Academic Links Impressum. I arrived late in that era for my Linux machines by now starting to use two PPI displays. How does Qt handle that? Fine, nice, but what does that mean in practice? This is now fixed and backported to the This means, with Is now all fine with Kate?Right now, Plasma doesn't respect the system scale factor on X, only Wayland.

If we ship with Frameworks 5. Yes yes yes! I had no idea about this variable. It fixes a bunch of icon scaling and spacing issues.

KDE & Qt Applications and High DPI Displays with Scaling

Lots of people will still be using Xorg for a while due to missing features in Wayland such as myself. Enabling this for them will go a long way to making Plasma look good on newer computers.

The only thing I noticed that happened to me, was my panel reset it's width it's on the left of my screen. Andrew, would you mind testing at multiple scale factors including non-integer ones and see if you can find any glaring regressions?

Even so, I wonder if there's a way to only allow this to be on with integer scale factors, which would seem to work around that issue. So that would be a regression for people who use non-integer scale factors. I've just submitted a patch that fixes this: D So if D lands, then we can do this if we ship with Frameworks 5. Yep, landed in Frameworks 5. So if we want to do this, and we don't ship with 5.

This doesn't happen on Wayland. Can you please file a bug on bugs. I am on Kubuntu I replaced the following line in the org. Now, this indeed fixed the context menu icon size and tray icon size but now another problem has popped up. Please refer attached screenshots. The dialog boxes, menu, application launcher have started to appear weird.

kde fractional scaling

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