Public bug reported:
Currently you are always in trouble when trying to connect a LoDPI
projector to a HiDPI laptop.
If e.g. scale of 2 was chosen for laptop and then you connect an
external LoDPI screen and select mirror, all the controls stay huge, but
the scale should go down to 1 by default to avoid dealing with huge
windows, which don't even fit on the screen.
Moreover, when external mirrored screen is disconnected, scale should be
restored to 2 automatically to avoid user trying to find the tiny scale
slider on a HiDPI screen.
There should be reasonable default scales for common screens also out of the
box.
Right now, starting Ubuntu on 3200x1800 13" laptop has the initial scale of 1,
forcing the user to find the scaling slider and operate it while it is 2mm big.
$ xrandr
Screen 0: minimum 320 x 200, current 3200 x 1800, maximum 8192 x 8192
eDP-1 connected primary 3200x1800+0+0 (normal left inverted right x axis y
axis) 294mm x 165mm
This info should be enough to set scale=2 by default, and reset scale to
1 when resolution is 1920x1080 and below.
The problem is there with both 16.10 and 17.04
unity-control-center:
Installed: 15.04.0+17.04.20170402.6-0ubuntu1
** Affects: unity-control-center (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- Default scale factor should for common resolutions needed
+ Default scale factor for common resolutions needed
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https://bugs.launchpad.net/bugs/1679310
Title:
Default scale factor for common resolutions needed
Status in unity-control-center package in Ubuntu:
New
Bug description:
Currently you are always in trouble when trying to connect a LoDPI
projector to a HiDPI laptop.
If e.g. scale of 2 was chosen for laptop and then you connect an
external LoDPI screen and select mirror, all the controls stay huge,
but the scale should go down to 1 by default to avoid dealing with
huge windows, which don't even fit on the screen.
Moreover, when external mirrored screen is disconnected, scale should
be restored to 2 automatically to avoid user trying to find the tiny
scale slider on a HiDPI screen.
There should be reasonable default scales for common screens also out of the
box.
Right now, starting Ubuntu on 3200x1800 13" laptop has the initial scale of
1, forcing the user to find the scaling slider and operate it while it is 2mm
big.
$ xrandr
Screen 0: minimum 320 x 200, current 3200 x 1800, maximum 8192 x 8192
eDP-1 connected primary 3200x1800+0+0 (normal left inverted right x axis y
axis) 294mm x 165mm
This info should be enough to set scale=2 by default, and reset scale
to 1 when resolution is 1920x1080 and below.
The problem is there with both 16.10 and 17.04
unity-control-center:
Installed: 15.04.0+17.04.20170402.6-0ubuntu1
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/unity-control-center/+bug/1679310/+subscriptions
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