https://bugs.kde.org/show_bug.cgi?id=363548
Bug ID: 363548
Summary: file area becomes inaccessible for the mouse after
opening a file on hidpi screen when using a multi
monitor setting
Product: dolphin
Version: 15.12.1
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: grave
Priority: NOR
Component: view-engine: general
Assignee: [email protected]
Reporter: [email protected]
I am currently facing a really annoying bug. I am using a laptop with a hidpi
screen and a resolution of 3200x1800 pixles. So it is necessary to do screen
scaling. Since qt 5.5 I used the QT_DEVICE_PIXEL_RATIO environment variable to
scale qt5 applications but qt5.6 broke this option. With qt5.6 to achieve
similar results I use QT_SCREEN_SCALE_FACTORS (same happens when using
QT_AUTO_SCREEN_SCALE_FACTOR).
Now, when I have connected a second monitor (extended) and have dolphin on the
laptop screen and open a file using double click (or single click when
configured in the system settings), the file area and the left panel become
completely unresponsive to any mouse event (no hover no click). It is like
there is a invisible rectangle above the areas. The funny part is, when I drag
dolphin to the second screen, everything behaves normal again, as long as it
stays on the second screen. If I drag it back to the laptop it is unusable
again.
When dolphin is on the second screen, and a file is launched, dolphin behaves
normal, but when the window is dragged to the laptop it does not work again.
To resolve this behavior dolphin has to be restarted, but if a file is opened
via double click it is unresponsive again.
This does not happen if the file is opened via the context menu and the
location bar, toolbar and info panel are always working. Interestingly I am
always able to use the keyboard to navigate to other folders/files and open
them with enter, so only mouse mouse events are blocked.
Reproducible: Always
Steps to Reproduce:
1. export QT_SCREEN_SCALE_FACTORS="2;2" in /etc/profile.d
2. connect second screen
3. open dolphin on your (main??) screen
4. open a file with double click
Actual Results:
dolphins file area and left panel do not respond to mouse events anymore
Expected Results:
you should be able to use the mouse to open files and folders
Below you can find a screenshot of the inaccessible areas:
http://i.imgur.com/rfQGjuH.png
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