When a GPU has no outputs attached we need to release all resources and
close the fd to allow the driver to completely power down the GPU. This
is also required to allow the driver to be unloaded for VFIO.
Xcursors don't support hidpi so if a hidpi cursor is needed, kwin will
scale the desired size by the scale factor and ask Xcursor helpers to
load a theme with the given name and the size.
However, the theme loading code doesn't take into account that Xcursor
theme loading helpers may not return cursor sprites of size size * scale
if the theme has no such a size.
For example, if the cursor theme only provides 24, 36, and 48 sizes and
kwin attempts to load cursors of size 48 with a scale factor of 2, we
will get cursors of size 48 instead of 96. Unfortunately, this will
result in the issue where the cursor shrinks when hovering decorations
because kwin doesn't know that the effective scale factor (1) is
different from the requested scale factor (2).
In order to fix loading of HiDPI cursors, we need to approximate the
effective scale factor of every cursor sprite as we load it.
The WorkspaceWrapper::screenResized() signal relies on the QDesktopWidget
class, which is deprecated. Another issue with that signal is that it
uses integers to represent screens. We need to minimize the amount of int
based screen api and prefer more QScreen or AbstractOutput APIs because
the former get completely broken if the output layout changes.
Since we gain not a lot from porting WorkspaceWrapper::screenResized()
away from QDesktopWidget to something else and we don't use this signal
in any of our scripts, this change deprecates the screenResized signal
in favor of manual tracking of QScreen::geometryChanged signal.
When keyboard_grab is implemented, if we reset the inputmethod context
on any key, input method will not get keyboard input and will not be
able to use it.
Since the scripted effects were ported to QJSEngine, it's possible now to
use ECMAScript 2015 perks such as classes, let and const.
This change ports the scale effect to some ES6 features to make the code
neater.
Call ::updateInputPanelState when necessary (instead of a trimmed-down
refreshFrame version.
Actually provide the overlap information when it's available, there's no
need to send wrong information there.
Platform::prepareShutdown() was introduced to work around the issue
where the platform accesses destroyed OutputDeviceInterface objects.
Since we no longer query OutputDeviceInterface for output info, the
Platform::prepareShutdown() function can be dropped.
When we release the buffers that also removes the drm fbs.
This causes failing atomic commits that the atomic code
doesn't (yet) handle correctly, the result is a black
screen when compositing is restarted.
We want to update the inputpanel state on new value which is being set
and not based on the cached value.
Fixes the keyboard going in wrong mode like pre-edit mode when closed
and re-opened.
