Bug 390496

Summary:	HIDPI display, using KDE scaling factor 1.3x, can't move clips in the timeline
Product:	[Applications] kdenlive	Reporter:	slavko
Component:	User Interface	Assignee:	Jean-Baptiste Mardelle <jb>
Status:	RESOLVED WORKSFORME
Severity:	normal	CC:	e.vakhromtsev, fritzibaby, ivan, snd.noise
Priority:	NOR	Flags:	fritzibaby: timeline_corruption+
Version:	17.12.0
Target Milestone:	---
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed In:

Description slavko 2018-02-15 09:24:26 UTC

In KDE's display config i use display scaling factor 1.3, which works great for the interface and also for placing clips AND setting the clip start and endpoint.

BEHAVIOR
Clips can be clicked, their start and end point dragged, but clicking on the clip and dragging the clip around the timeline doesn't work. The actual handle is to the right of the clip, probably by the scaling factor amount.
(everything else takes this scaling factor into account)

EXPECTED BEHAVIOR
Clicking on clips selects them and you are able to drag them around the timeline

BUG DISCOVERED USING
Kdenlive 17.12.2
mlt-6.4.1-r6
Qt libs 5.9.4
Gentoo
KDE 5.12
Linux kernel 4.15.0
4k monitor, screen resolution 3840x2160

Currently i'm using QT_SCREEN_SCALE_FACTORS=1 kdenlive to mitigate the bug.

Also this MAY be related to the Qt library upgrade. But it's strange only clip dragging doesn't behave as expected.

Comment 1 Ivan Semkin 2018-02-28 15:04:30 UTC

I can confirm the bug on Arch GNU/Linux with Qt 5.10.1 and Kdenlive built from latest git

Comment 2 farid 2021-03-04 01:05:54 UTC

Can you reproduce this with latest appimage? This seems to be an upstream issue rather than Kdenlive if I'm not mistaken.

Comment 3 Bug Janitor Service 2021-03-19 04:33:39 UTC

Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
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If you have already provided the requested information, please
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Comment 4 Bug Janitor Service 2021-04-03 04:33:36 UTC

This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!