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Thread: Copy & Paste doesn't work reliably

  1. #1

    Question Copy & Paste doesn't work reliably

    Hi,

    Few months ago I rebuilt my server/workstation completely so new mboard+mem, CPU (Ryzen 1900x) and gfx card (Radeon 500 series). SATA cards remained the same. Took out wifi-card (was not in use) and also 2nd Eth card (mboard has two Gigabit-Eth ports). Previously I used Intel's integrated GFX but Ryzen Threadripper didn't have integrated gfx so I had to install dedicated card for this. Running Tumbleweed (fresh installation) with KDE.

    The problem is strange and haven't been able to figure out what is causing it - copy & paste doesn't work reliably i.e. when pressing copy it doesn't always perform copy but requires 2nd pressing. Not sure if paste is affected but copy definitely is. This applies also to cut. And doesn't matter which application I use.

    I can see from the clipboard application when pressing ctrl+c that nothing comes to the clipboard until I press second time. A bit earlier the problem was more severe (i.e. few updates before) and seemed to be related to the uptime of KDE i.e. the longer KDE had been running, less reliable copy and cut operations were. This was very annoying with Dolphin when trying to cut files from a folder to move them to another place. You could see a flick of icon change of files (greyed out when ctrl+x was pressed) but immediately returned back to normal. Keeping ctrl+x pressed down for repeat icons starting flicking between normal and greyed out. Release of ctrl+x usually led to normal icons but every now and then remained greyed out and then it was possible to paste them to another location. After restart of KDE this problem was not there but within hours it reappeared. There was no difference if I pressed ctrl+c/x or selected same function from the pop-up menu.

    I've tried playing with clipboard app settings but nothing seems to help out.

    When googling about the issue there seems to be others with similar problems but solutions they had have not worked for me or they have been using different clipboard application/distro etc.

    Any idea what is the problem and more importantly how to solve it? I don't want to change from KDE to something else. KDE serves my needs the best so far.

  2. #2
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    Question Re: Copy & Paste doesn't work reliably

    I think I've seen this lately ( cannot reproduce at the moment ), and had one customer reporting this ( on holidays now, so .... ). Please report at bugzilla.opensuse.org
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  3. #3

    Default Re: Copy & Paste doesn't work reliably

    This might be related to klipper(KDE cipboard application) not always selecting the most recently copied text.
    You could try unchecking the 'ignore selection' option in the configuration options(right click clipboard on task bar)
    This sometimes helps if you're switching between xterm and desktop applications frequently.
    This problem is one of the few hassles I've had with KDE but it can be really annoying and I'm sure will dissuade some people
    from using what is a great Desktop environment.

  4. #4
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    Default Re: Copy & Paste doesn't work reliably

    I don't run into it too often, but GUI frameworks (Desktops mostly) can sometimes be buggy and we should remember that CTL-C for copy and CTL-V for paste are actually ports from the MSWindows world, the original Linux keystroke combos (IIRC) are

    CTL-Insert Copy
    Shift-Insert Paste
    Shift-Delete Cut

    You might try those keystroke combos to see if they work...
    And if the problem can be reproduced reliably to create a bugzilla report.

    TSU
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  5. #5
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    Default Re: Copy & Paste doesn't work reliably

    Quote Originally Posted by tsu2 View Post
    I don't run into it too often, but GUI frameworks (Desktops mostly) can sometimes be buggy and we should remember that CTL-C for copy and CTL-V for paste are actually ports from the MSWindows world, the original Linux keystroke combos (IIRC) are

    CTL-Insert Copy
    Shift-Insert Paste
    Shift-Delete Cut

    You might try those keystroke combos to see if they work...
    And if the problem can be reproduced reliably to create a bugzilla report.

    TSU
    I always stick to X:
    Mouse LeftButton-down at begin (or end) of text, move to end (or begin) of text, release button. This copies the texdt "under the middle-button" (and in KDE also to the clipboard).
    Left-click on place where to insert, middle click. This pastes.

    No keyboard needed.
    Henk van Velden

  6. #6

    Default Re: Copy & Paste doesn't work reliably

    Quote Originally Posted by FrankyU2 View Post
    This might be related to klipper(KDE cipboard application) not always selecting the most recently copied text.
    You could try unchecking the 'ignore selection' option in the configuration options(right click clipboard on task bar)
    This sometimes helps if you're switching between xterm and desktop applications frequently.
    This problem is one of the few hassles I've had with KDE but it can be really annoying and I'm sure will dissuade some people
    from using what is a great Desktop environment.
    Tried this setting and at least with Dolphin it doesn't fix the problem but somehow changes it a bit. First press of ctrl+x to a folder adds something to the clipboard (? icon). This cannot be pasted as a folder but as clipboard content. 2nd press puts the folder to clipboard and then paste works.

    Simple text copying seems to work but it's difficult to say with a short test only. I'll test more with text as well. Something is anyhow still broken.

    Edit: Text copying fails as well so no improvement unfortunately.

  7. #7

    Default Re: Copy & Paste doesn't work reliably

    Quote Originally Posted by tsu2 View Post
    I don't run into it too often, but GUI frameworks (Desktops mostly) can sometimes be buggy and we should remember that CTL-C for copy and CTL-V for paste are actually ports from the MSWindows world, the original Linux keystroke combos (IIRC) are

    CTL-Insert Copy
    Shift-Insert Paste
    Shift-Delete Cut

    You might try those keystroke combos to see if they work...
    And if the problem can be reproduced reliably to create a bugzilla report.

    TSU
    Unfortunately I use Windows at the work and copy&paste is in use there a lot. Changing this habit (ctrl+c/x/v) to something else - despite being a native implementation - does not really work in practice, at least not for me. Thx for the suggestion though.

  8. #8

    Default Re: Copy & Paste doesn't work reliably

    Quote Originally Posted by Knurpht View Post
    I think I've seen this lately ( cannot reproduce at the moment ), and had one customer reporting this ( on holidays now, so .... ). Please report at bugzilla.opensuse.org
    Filed a bug report.

  9. #9

    Default Re: Copy & Paste doesn't work reliably

    Issue is still present and seems that the reported issue (https://bugzilla.opensuse.org/show_bug.cgi?id=1146018) is not dealt at all.

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