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#26 2018-12-30 17:30:08

foki
Member
Registered: 2012-03-22
Posts: 31

Re: Ctrl-C and Ctrl-V stopped working under KDE Plasma

It is:

$ xwininfo -int -id 92274698; xprop -id 92274698

xwininfo: Window id: 92274698 "Chromium clipboard"

  Absolute upper-left X:  -100
  Absolute upper-left Y:  -100
  Relative upper-left X:  -100
  Relative upper-left Y:  -100
  Width: 10
  Height: 10
  Depth: 0
  Visual: 0x20
  Visual Class: TrueColor
  Border width: 0
  Class: InputOnly
  Colormap: 0x0 (not installed)
  Bit Gravity State: ForgetGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsUnMapped
  Override Redirect State: no
  Corners:  +-100+-100  -2010+-100  -2010-1170  +-100-1170
  -geometry 10x10+-100+-100

_KDE_NET_WM_USER_CREATION_TIME(CARDINAL) = 106505330
WM_NAME(STRING) = "Chromium clipboard"
$ xwininfo -int -id 10485935; xprop -id 10485935

xwininfo: Window id: 10485935 (has no name)

  Absolute upper-left X:  0
  Absolute upper-left Y:  0
  Relative upper-left X:  0
  Relative upper-left Y:  0
  Width: 1920
  Height: 1080
  Depth: 24
  Visual: 0x101
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0xa000aa (installed)
  Bit Gravity State: NorthWestGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsViewable
  Override Redirect State: no
  Corners:  +0+0  -0+0  -0-0  +0-0
  -geometry 1920x1080+0+0

WM_HINTS(WM_HINTS):
		Initial state is Normal State.

Third one is apparently same as first:

$ xwininfo -int -id 92274698; xprop -id 92274698

xwininfo: Window id: 92274698 "Chromium clipboard"

  Absolute upper-left X:  -100
  Absolute upper-left Y:  -100
  Relative upper-left X:  -100
  Relative upper-left Y:  -100
  Width: 10
  Height: 10
  Depth: 0
  Visual: 0x20
  Visual Class: TrueColor
  Border width: 0
  Class: InputOnly
  Colormap: 0x0 (not installed)
  Bit Gravity State: ForgetGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsUnMapped
  Override Redirect State: no
  Corners:  +-100+-100  -2010+-100  -2010-1170  +-100-1170
  -geometry 10x10+-100+-100

_KDE_NET_WM_USER_CREATION_TIME(CARDINAL) = 106505330
WM_NAME(STRING) = "Chromium clipboard"

Fourth is 0.

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#27 2018-12-30 17:46:11

seth
Member
Registered: 2012-09-03
Posts: 29,947

Re: Ctrl-C and Ctrl-V stopped working under KDE Plasma

FOOBAR is a sanity test ;-)
So there's a chromium clipboard handler which holds both main "clipboards" (PRIMARY is the selection/3rd button cnp, CLIPBOARD is ctrl+c/p) and something weird which looks very similar to the root window, but likely is not (compare "xwininfo -root") which holds the wacko SECONDARY buffer where nobody knows what it's actually good for.
You could kill all chromium PIDs and see what changes (though I assume while the owners change, the behavior won't restore)

Then it gets interesting: try killing the SECONDARY buffer owner:

xkill -id 10485935

ENSURE FIRST that
a) this is NOT the root window
b) you're prepared for an immediate session loss, because we don't know what this window belongs to

See which process dies as consequence and oc. whether the clipboard behavior is restored.

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#28 2019-02-23 09:46:44

firekage
Member
From: Eastern Europe, Poland
Registered: 2013-06-30
Posts: 609

Re: Ctrl-C and Ctrl-V stopped working under KDE Plasma

Refreshing. I have the same problem after recent update. CTRL+C/V and SHIFT+INS does not work in Opera, Leafpad but CTRL+V works in Libre. If i copy something from Libre and paste it to Opera, Leafpad, nothing happens.

Last edited by firekage (2019-02-23 09:47:48)

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#29 2019-02-23 15:07:01

seth
Member
Registered: 2012-09-03
Posts: 29,947

Re: Ctrl-C and Ctrl-V stopped working under KDE Plasma

And did you check the selection owner status and, in case, what that window belongs to?

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#30 2019-06-09 17:12:43

foki
Member
Registered: 2012-03-22
Posts: 31

Re: Ctrl-C and Ctrl-V stopped working under KDE Plasma

I am revisiting this after 6 months.

After multiple updates, until the initial problem has been reported, CTRL-V still does not work in any application (except for the virtualized OSes in VirtualBox). The only way to use the paste functionality is through SHIFT-INSERT.

Since I already invested a lot of time hacking this issue without arriving at a workable solution, my conclusion is that KDE simply does not work for me (one ThinkPad and one ThinkStation).
No, window ownership is not the central problem, or it is messed up to the level that I cannot even understand what is expected and what is buggy behavior.

At this point, I am concluding that this issue already consumed an unjustifiable amount of my time and I am abandoning KDE. Setting up a paste shortcut should not require this amount of hacking and I am not able to find any relevant community documentation that covers the issue.

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#31 2019-06-09 17:14:12

2ManyDogs
Forum Moderator
Registered: 2012-01-15
Posts: 3,977

Re: Ctrl-C and Ctrl-V stopped working under KDE Plasma

Closing this abandoned topic.


How to post. A sincere effort to use modest and proper language and grammar is a sign of respect toward the community.

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