https://bugs.kde.org/show_bug.cgi?id=474686
Bug ID: 474686
Summary: Setting a value to Clipboard via a button in an
unfocused window does not work.
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: zhangtin...@uniontech.com
Target Milestone: ---
SUMMARY
***
I noticed that in Wayland protocol, when I perform a copy operation in a
program, the protocol performs some data operations through `SetSelection`
function.But when I set `Qt::WindowDoesNotAcceptFocus` via Qt in this program
and write data via `setText` operation in `QClipboard`, the function
`updateSelection` in Wayland will not send the `setSelection` signal. I found
that the following code is causing the signal not to be sent.
`*globalKeyboard.focus.surface->client() == dataDevice->client()`.
***
STEPS TO REPRODUCE
1. Create a Qt window, set the `Qt::WindowDoesNotAcceptFocus` property
2. Create a button in which the button function is to set a value to the
QClipboard
3. Clicked the button and found it impossible to paste in other apps
OBSERVED RESULT
Write values cannot be pasted by other applications
EXPECTED RESULT
Write values that can be pasted by other applications
may i ask why this judgment is necessary, and if I want my app to write
clipboard data without getting focus, is there an alternative way I can do it?
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version: 5.11.3
ADDITIONAL INFORMATION
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