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Author SHA1 Message Date
Peter Hutterer
9f3d321bf2 input-settings: treat a serial of 1 as serial of 0
The Wacom Xorg driver assigns a serial number of 1 for any pad that doesn't
have a serial. libinput assigns 0. Just treat 1 as 0 here, there are no pens
with a real serial 1 anyway.

Fixes https://gitlab.gnome.org/GNOME/mutter/issues/414
2018-12-17 16:12:50 +10:00
Carlos Garnacho
ffca9b999d backends: Update to new "output" setting for tablets/touchscreens 2018-12-06 14:44:46 +00:00
Carlos Garnacho
d30301c00a backends: Turn builtin touchscreen on/off together with DPMS
This takes over gsd-power code, that would disable touchscreens
on DPMS off.

https://bugzilla.gnome.org/show_bug.cgi?id=742598
https://gitlab.gnome.org/GNOME/gnome-settings-daemon/issues/29
2018-12-06 14:44:46 +00:00
Carlos Garnacho
87858a4e01 backends: Delegate on MetaInputMapper for unmapped display devices
If a display device (touchscreen, tablet with libwacom integration flags)
does not receive a monitor through settings. Delegate on the
MetaInputMapper so it receives a mapping through heuristics.
2018-12-06 14:44:46 +00:00
Jonas Ådahl
2f4a68c8c3 Clean up include macros mess
The order and way include macros were structured was chaotic, with no
real common thread between files. Try to tidy up the mess with some
common scheme, to make things look less messy.
2018-11-06 17:17:36 +01:00
Tony Novak
8685de9607 input-settings: detect trackball using udev ID_INPUT_TRACKBALL
Previously, trackballs were detected based on the presence of the
substring "trackball" in the device name. This had the downside of
missing devices, such as the Kensington Expert Mouse, which don't have
"trackball" in their names.

Rather than depending on the device name, use the ID_INPUT_TRACKBALL
property from udev to determine whether or not to treat a device as a
trackball.

This adds a new function, `is_trackball_device`, to MetaInputEvents, and
eliminates the `meta_input_device_is_trackball` function.

Fixes: https://gitlab.gnome.org/GNOME/mutter/issues/258
2018-09-19 08:48:27 +00:00
Alberts Muktupāvels
31b5059068 input-settings: Fix a typo in tap-and-drag setting 2018-03-29 09:51:32 -05:00
Carlos Garnacho
54dcff3aa2 backends: Monitor changes in active tools' settings
So the changes can be instantly applied while the tool is in proximity.
Before we would just do it on proximity-in, which doesn't provide a
good look&feel while modifying the tool settings in g-c-c.

https://gitlab.gnome.org/GNOME/mutter/issues/38

Closes: #38
2018-02-19 17:15:26 +01:00
Jason Gerecke
f8f1bcfa9e backends: Add support for Wacom stylus tertiary-button-action
The tertiary-button-action (see bug 790028) is a place for g-c-c to store
the action which should be performed when a stylus' third button is pressed.
Pressing this button is signaled as a BTN_STYLUS3 event from the kernel or
X11 button 8.

https://bugzilla.gnome.org/show_bug.cgi?id=790033
2018-01-30 19:28:02 +01:00
Hans de Goede
e59ca14f6c monitor-manager: Take panel orientation into account when getting input matrix
If a LCD panel has a non normal orientation (mounted upside-down or 90
degrees rotated) then the kernel will report touchscreen coordinates with
the origin matching the native (e.g. upside down) coordinates of the panel.

Since we transparently rotate the image on the panel to correct for the
non normal panel-orientation, we must apply the same transform to input
coordinates to keep the aligned.

https://bugzilla.gnome.org/show_bug.cgi?id=782294
2017-12-25 17:01:45 +08:00
Olivier Fourdan
333b5d12a0 backends: configure keyboard accessibility
Set the relevant flags and values for keyboard accessibility from
gsettings.

https://bugzilla.gnome.org/show_bug.cgi?id=788564
2017-11-16 14:14:31 +01:00
Marco Trevisan (Treviño)
b31e545c9d backends: add 'monitors-updated-internal' signal to only update internal state
Adding an internal signal and use it to update the internal state before
emitting "monitors-changed" which will be repeated by the screen to the world.

https://bugzilla.gnome.org/show_bug.cgi?id=788860
2017-10-13 00:42:50 -05:00
Carlos Garnacho
9000eef49d backends: Add envvar to disable wacom configuration
People that relied on xsetwacom to configure their tablets used to get
away with this by disabling the wacom g-s-d plugin prior to running
their scripts. This is not possible anymore with mutter managing device
configuration.

Given that X11 shall not go away soon and there's a core of stubbornly
accustomed users, provide a MUTTER_DISABLE_WACOM_CONFIGURATION envvar
to provide *some* way to do this.
2017-10-04 01:03:49 +02:00
Hans de Goede
5d2b0bc0cc meta-input-settings: Fix strv memleak in find_logical_monitor()
The return value from g_settings_get_strv must be g_strfreev-ed.

https://bugzilla.gnome.org/show_bug.cgi?id=787836
2017-09-22 20:09:04 +02:00
freeroot
12792f99a0 Add tag-and-drag setting from libinput into mutter
The problem is that libinput offers the possibility to not enabled
dragging when tap-to-click is enabled but mutter doesn't. For people who
have a sensitive touchpad and who like tap-to-click option, dragging is
launched even when you don't want it : for example, when you select a
folder, most of the time the folder is dragging whereas just selected or
when you want to select some lines of a text file, several lines are
moved as a cut-paste which is not expected and erase datas.

To fix it, you need to have the possibility to desactivate the drag
option when you use tap-to-click in mutter. Because it's already a
specification of libinput, it remains to add it to mutter.
Implementation with X11 is added too.

https://bugzilla.gnome.org/show_bug.cgi?id=775755
2017-08-20 09:27:28 +08:00
Carlos Garnacho
f852d2b0eb backends: Extend pad action label checks to rings/strips
This way the pad OSD can obtain the keycombos that are mapped to these
for labeling purposes.

https://bugzilla.gnome.org/show_bug.cgi?id=782033
2017-07-17 19:43:13 +02:00
Carlos Garnacho
ef13ee4488 backends: Map tablet pad rings/strips to action settings
Just like we do for buttons, with a few twists. These have 2 directions
mappable to different keycombos, and are affected by the current mode
in their group.

https://bugzilla.gnome.org/show_bug.cgi?id=782033
2017-07-14 22:30:49 +02:00
Carlos Garnacho
4b8dd51c4d backends: Fix dangling callback not being disconnected
This fixes possible crashes if configuration is changed on a device that
was added and then removed.

https://bugzilla.gnome.org/show_bug.cgi?id=784881
2017-07-13 19:05:44 +02:00
Carlos Garnacho
10b30eaba5 backend: Set mapping-mode on X11 pen/eraser devices
And use it in the generic code for the checks about whether mapping to
an specific display applies or not.

https://bugzilla.gnome.org/show_bug.cgi?id=784402
2017-07-12 23:43:23 +02:00
Carlos Garnacho
ce989976fa backends: Apply tablet settings on all tablet device types during startup
This skipped the device types that are in use on X11.

https://bugzilla.gnome.org/show_bug.cgi?id=782027
2017-07-03 13:57:35 +02:00
Carlos Garnacho
9b9bb9cf86 backends: Fix output cycling in non display-attached tablets
It would only allow to alternate between the logical monitors, we actually
want to return NULL here so it can cycle to the whole span of monitors.

https://bugzilla.gnome.org/show_bug.cgi?id=782032
2017-06-20 22:02:04 +02:00
Carlos Garnacho
dc5b2e396c backends: Fix typo
Instead of checking all MetaMonitors in the monitor manager, we want to
look (as the function name says) in the MetaMonitors contained in the
given logical monitor.

Otherwise, it will return TRUE for every logical monitor, given we are
querying for an existing EDID.

https://bugzilla.gnome.org/show_bug.cgi?id=782032
2017-06-20 22:02:04 +02:00
Evan Welsh
76198e0b3b Implements disable-while-typing in mutter.
Disable-while-typing disables the touchpad while the user is typing.

This patch introduces the necessary backend code to implement the
org.gnome.desktop.peripherals.touchpad.disable-while-typing setting of
gsettings-desktop-schemas which was implemented in commit
4c5b1c1df399d6afaaccb237e299ccd1d5d29ddd and released as part of 3.24.
This is known as dwt in libinput.

This patch has been tested on X11 and Wayland.

https://bugzilla.gnome.org/show_bug.cgi?id=764852
2017-05-24 11:56:54 +08:00
Jonas Ådahl
81e99c2680 input-settings: Minor structural cleanup
Let the backend implementations create their own input settings
backend, as is done with other backend specific special purpose
backends. Also use the macro for declaring the GType.

https://bugzilla.gnome.org/show_bug.cgi?id=782152
2017-05-24 11:18:56 +08:00
Armin Krezović
a77da353f3 input-settings: Set double click timeout from gsettings
Clutter's evdev input backend has no support for setting double
click timeout set by gnome-settings-daemon. This results in
touchpad click events timing out on wayland, because the
default timeout value wasn't enough.

This patch moves timeout setting to mutter and removes X11
backend specific setting from clutter.

https://bugzilla.gnome.org/show_bug.cgi?id=771576
2017-03-24 20:47:00 +01:00
Jonas Ådahl
cdedd017d6 input-settings: Use logical monitors instead of outputs
A MetaOutput is a connector, not exactly a monitor or a region on the
stage; for example tiled monitors are split up into multiple outputs,
and for what is used in input settings, that makes no sense. Change
this to use logical monitors instead of outputs.

https://bugzilla.gnome.org/show_bug.cgi?id=779745
2017-03-09 10:17:30 +08:00
Rui Matos
966725fcb4 meta-input-settings: Avoid setting key repeat delay or interval to 0
Since doing so causes either errors or misbehavior.

https://bugzilla.gnome.org/show_bug.cgi?id=776919
2017-02-16 16:49:44 +01:00
Rui Matos
90923903ae MetaInputSettings: allow edge scrolling without 2fg capable devices
We should only force edge scrolling off if two finger is enabled *and*
we actually have two finger capable devices.

https://bugzilla.gnome.org/show_bug.cgi?id=778554
2017-02-16 16:49:44 +01:00
Carlos Garnacho
7e3fbfbdd2 wayland: Notify tablet mode switches
This will show a fancy OSD so the change is immediately visible.

https://bugzilla.gnome.org/show_bug.cgi?id=771098
2017-02-10 20:11:19 +01:00
Carlos Garnacho
ff453c1143 backends: Notify tablet mapping changes in the UI
This takes over the older code in g-s-d.

https://bugzilla.gnome.org/show_bug.cgi?id=771098
2017-02-10 20:11:19 +01:00
Carlos Garnacho
efd9d467f2 backends: Add action label to mode switch buttons
https://bugzilla.gnome.org/show_bug.cgi?id=771098
2017-02-10 20:11:19 +01:00
Carlos Garnacho
fff7da2a96 backends: Have meta_input_settings_handle_pad_button() take an event
As all the relevant backends are expected to provide
ClutterPadButtonEvents, it makes no sense to split the information,
plus all other event fields are now available and might be needed
in the future.

https://bugzilla.gnome.org/show_bug.cgi?id=771098
2017-02-10 20:11:19 +01:00
Jonas Ådahl
842ff5d6aa Rename MetaMonitorInfo MetaLogicalMonitor
In preparation for further refactorizations, rename the MetaMonitorInfo
struct to MetaLogicalMonitor. Eventually, part of MetaLogicalMonitor
will be split into a MetaMonitor type.

https://bugzilla.gnome.org/show_bug.cgi?id=777732
2017-01-25 16:28:51 +08:00
Carlos Garnacho
b35b531f00 backends: extend tablet device checks
The Clutter X11 backend can't drop CLUTTER_PEN_DEVICE and
CLUTTER_ERASER_DEVICE in favor of CLUTTER_TABLET_DEVICE without
losing information (as the driver will create one device for each).
So make MetaInputSettings cater for both sets of device types.

https://bugzilla.gnome.org/show_bug.cgi?id=773779
2016-11-04 21:25:31 +01:00
Carlos Garnacho
6257f1195b backends: Remove ToolSettings struct
Its only purpose was caching settings applying to an stylus/tool, this
is now handled through ClutterInputDeviceTool evdev specific API, or
X device properties, so is not needed anymore.

https://bugzilla.gnome.org/show_bug.cgi?id=773779
2016-11-04 21:25:31 +01:00
Carlos Garnacho
b252771a8f clutter/evdev: Take over stylus configuration
Stylus configuration (stylus buttons, pressure) was handled
at the very high level, doing the button and pressure translations
right before sending these to wayland clients.

However, it makes more sense to store these settings into the
ClutterInputDeviceTool itself, and have clutter apply the config
at the lower level so 1) the settings actually apply desktop-wide,
not just in clients and 2) X11 and wayland may share similar
configuration paths. The settings are now just applied whenever
the tool enters proximity, in reaction to
ClutterDeviceManager::tool-changed.

This commit moves all handling of these two settings to
the clutter level, and removes the wayland-specific paths

https://bugzilla.gnome.org/show_bug.cgi?id=773779
2016-11-04 21:25:31 +01:00
Carlos Garnacho
cea7d629d9 backends: Add missing pad button-to-keycombo translation
https://bugzilla.gnome.org/show_bug.cgi?id=773779
2016-11-04 21:25:31 +01:00
Carlos Garnacho
db9d8fcc90 Revert "backends: Use g-s-d settings for tablet configuration"
This reverts commit b52f304f9d.

https://bugzilla.gnome.org/show_bug.cgi?id=773779
2016-11-04 21:25:31 +01:00
Rui Matos
2641b364e8 MetaInputSettings: fix two finger preference over edge scrolling logic
Enabling edge scrolling before disabling two finger would result in
edge scrolling not actually being enabled because two finger is still
enabled at the time and we bail out.

This patch moves this logic to common code for both the native and X
backends and fixes it by ensuring that both settings are never set at
the same time and still re-checking if edge scrolling should be
enabled after two finger scrolling gets disabled.

We also simplify the code by not checking for supported/available
settings since the underlying devices will just reject those values
and there isn't anything we can do about it here. It's the UI's job to
only show supported/available settings to users.

https://bugzilla.gnome.org/show_bug.cgi?id=771744
2016-11-02 14:07:13 +01:00
Olav Vitters
028157081c Fix string format build error
backends/meta-input-settings.c:1245:27: error: format '%lx' expects
argument of type 'long unsigned int', but argument 3 has type 'guint64
{aka long long unsigned int}' [-Werror=format=]
2016-09-22 21:00:29 +02:00
Carlos Garnacho
3137ddb1a1 backends: Handle tablet settings lookups with no backing libwacom info
Those will be unseen by g-s-d/g-c-c, so no settings will be written on
disk for those. Still, look up an ID correctly in this case instead of
crashing.

https://bugzilla.gnome.org/show_bug.cgi?id=771628
2016-09-19 22:55:30 +02:00
Carlos Garnacho
b52f304f9d backends: Use g-s-d settings for tablet configuration
This is needed to make the wayland backend react to configuration
changes until gnome-control-center is updated to use the
gsettings-desktop-schemas settings.

https://bugzilla.gnome.org/show_bug.cgi?id=771315
2016-09-12 21:51:00 +02:00
Carlos Garnacho
0f0b25767d backends: Add comment to translators in "Switch monitor" string
Without context it's not clear to what it actually refers to. Add some
context.

https://bugzilla.gnome.org/show_bug.cgi?id=770929
2016-09-12 19:45:09 +02:00
Bastien Nocera
c977ba197e backends: Update two-finger scrolling before edge scrolling
As whether edge scrolling is enabled depends on whether two-finger
scrolling is disabled, make sure to update two-finger scrolling first.

Note that this only fixes the problem on startup. Changing the
settings in GSettings directly might cause an inconsistent state, but
the main UI for this setting, gnome-control-center, makes sure to
update two-finger scrolling before edge scrolling.

https://bugzilla.gnome.org/show_bug.cgi?id=769276
2016-08-20 16:00:35 +02:00
Jonas Ådahl
53061c7005 MetaInputSettings: Initialize the accel-profile setting
Shouldn't just update them when they change; they also need to be
set when initializing.

https://bugzilla.gnome.org/show_bug.cgi?id=769179
2016-08-03 10:49:22 +08:00
Jonas Ådahl
53e3d0df64 MetaInputSettings: Don't initialize the same setting twice
Two settings were set twice on the same device. Now instead group the
generic update functions together, removing the redundant calls.

https://bugzilla.gnome.org/show_bug.cgi?id=769179
2016-08-03 10:49:22 +08:00
Jonas Ådahl
23c4ac6c7f settings: Support mouse and trackball accel profile
Support changing the mouse and trackball acceleration profile. This
makes it possible to for example disable pointer acceleration by
choosing the 'flat' profile.

This adds an optional dependency on gudev. Gudev is used by the X11
backend to detect whether a device is a mouse or not. Without gudev
support, the accel profile settings has have effect for mouse devices.

Trackball still uses the "strstr" approach, since udev doesn't support
tagging devices as trackball devices yet.

https://bugzilla.gnome.org/show_bug.cgi?id=769179
2016-07-28 20:13:08 +08:00
Bastien Nocera
36cd7177fd backends: Re-add support for edge scrolling with some touchpads
Add support for setting edge-scrolling separately from two-finger
scrolling. We now have 2 separate boolean settings for those, with the
Mouse panel in gnome-control-center allowing to set only one of those at
a time, but nothing precludes both being set in the configuration.

We need to handle:
- two-finger-scrolling-enabled and edge-scrolling-enabled settings both
  being set.
- those 2 settings being change out-of-order
- two-finger-scrolling being set on a device that doesn't support it
- edge-scrolling-enabled on a device that doesn't support it

And the combinations of one touchpad supporting just one of edge
scrolling and two-finger scrolling and another vice-versa.

https://bugzilla.gnome.org/show_bug.cgi?id=768245
2016-07-27 17:17:25 +02:00
Florian Müllner
fe09a3c4e2 backends: Add missing guards to libwacom calls 2016-07-22 23:20:47 +02:00
Carlos Garnacho
5effde59f6 backends: Implement the "show osd" pad action
Just call back into meta_display_request_show_osd().
2016-07-22 13:31:09 +02:00
Carlos Garnacho
e2ad8700a9 backends: Export function to query the mapped MetaMonitorInfo of a tablet
Or NULL if the tablet is mapped to the full desktop size.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
323c608b0c backends: Export call to retrieve the base GSettings for a tablet 2016-07-22 13:31:09 +02:00
Carlos Garnacho
0efe076a0a backends: Implement "switch monitor" pad button action
This action remaps the tablet to each of the connected monitors,
or to the span of all monitors.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
56632d2ef7 backends: Add function to retrieve the label for a pad button action
As those are specified by settings.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
8e6244238d backends: Add API to trigger actions related to pad buttons
It does nothing at the moment, but can be hooked into MetaWaylandTabletPad
now. For X11, we need to trigger these for the pad events we receive from
the passive pad button grabs.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
f9552bb9c0 backends: Add function to apply pressure sensitivity to tablet tools
A bezier curve is created out of the 2 control points in settings, so
the pressure is made to follow the stablished curve between 0 and 1.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
fbb4c0b831 backends: Add function to retrieve the action mapped to an stylus button
This function will be useful for the wayland implementation, because buttons
are mapped at the time of sending those through the wire.
As x11/wayland implementations differ here, this function will be useful for
the wayland implementation, as the action is handled lat
2016-07-22 13:31:09 +02:00
Carlos Garnacho
d7faab76e0 backends: Perform libwacom checks before applying settings
Some settings make no sense on external tablets, and others make
no sense in display/system-integrated tablets. Perform those checks
so we don't end up with possibly broken configuration.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
b7892ba1c5 backends: Disable keep-aspect and output mapping on relative devices
Those settings make no sense there, so should be made ineffective.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
77b33a86b8 backends: Fetch libwacom information for tablets in MetaInputSettings
Given that information defines largely how such devices are to be
configured, it makes sense to have that information at hand. A getter
has been also added for the places where it could be useful, although
it will require HAVE_LIBWACOM checks in callers too.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
f6e471fca4 backends: Add function to lookup the mapping for a given tablet
At least for wayland, this needs implementing within mutter. So add
a function to look this setting up.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
1dd121002f backends: Store mappable devices' info in the hashtable
Instead of as closure data. We will need to store (and query) more
per-device info, so access to this struct is necessary.
2016-07-22 13:31:09 +02:00
Carlos Garnacho
526fdca3fb backends: Map tablets/pads, and wire to configuration vfuncs
With this, the left-handed setting works. The other configuration
vfuncs remain empty stubs, but will be correctly applied when those
are handled.
2016-07-22 13:31:09 +02:00
Bastien Nocera
996aeaef41 backends: Fix cut'n'paste error in click method setting
GDesktopTouchpadScrollMethod was used instead of GDesktopTouchpadClickMethod
which became visible now that the former has been removed from
gsettings-desktop-schemas.

https://bugzilla.gnome.org/show_bug.cgi?id=759304
2015-12-15 14:41:51 +01:00
Bastien Nocera
a27b2597b9 backends: Force 2-finger scroll by default if available
When the touchpad is two-finger scrolling capable, always enable it.

When the touchpad only supports edge scrolling (usually older devices, and
usually smaller devices), allow disabling the edge scrolling.

This requires a newer gsettings-desktop-schemas as the scroll-method key
was removed, and the edge-scroll-enabled key added.

https://bugzilla.gnome.org/show_bug.cgi?id=759304
2015-12-15 14:38:23 +01:00
Florian Müllner
bc00f118f3 Avoid shadowing existing variables 2015-09-24 03:08:22 +02:00
Carlos Garnacho
8dfb88b669 backend: Apply the right settings to the right input devices
Since 8769b3d55, the checks performed on which update_* function was
called for each device got quite more lax, leading to failed asserts
on code that assumed the previous behavior.

Change update_[mouse|touchpad|trackball]_* to bail out early if the
device received has not the right type, and remove the asserts.

https://bugzilla.gnome.org/show_bug.cgi?id=747886
2015-04-15 13:33:12 +02:00
Rui Matos
cfb7297cf1 input-settings: Silence a glib critical
The scroll-wheel-emulation-button key is 'i' in the schema but it also
specifies a minimum range of 0 so using get_int() and casting is safe.
2015-04-14 18:27:52 +02:00
Rui Matos
8769b3d554 input-settings: Ensure that we always apply the same set of settings
This makes the hotplug and coldplug paths the same so that we don't
miss out on any setting.

https://bugzilla.gnome.org/show_bug.cgi?id=747434
2015-04-14 16:20:15 +02:00
Carlos Garnacho
9b50119d31 backend: Add set_click_method MetaInputSettings vfunc
This will configure the libinput_config_click_method for touchpads.

https://bugzilla.gnome.org/show_bug.cgi?id=746290
2015-03-16 18:05:51 +01:00
Carlos Garnacho
1dea1813b1 input-settings: Handle device-to-output mapping
For each device that can be mapped (touchscreens, tablets), the output
will be fetched from settings and matched with the currently connected
ones. If a match is found, the device matrix will be found out from the
output configuration and set on the device.

This is also updated both individually for newly connected devices, and
collectively on output configuration changes.

https://bugzilla.gnome.org/show_bug.cgi?id=739397
2015-01-18 13:32:28 -08:00
Carlos Garnacho
2d878d3f55 backends/native: Add libinput-based MetaInputSettings implementation
The libinput_device is fetched from the ClutterInputDevice, and configured
through the libinput_device_*config* API.

https://bugzilla.gnome.org/show_bug.cgi?id=739397
2015-01-18 13:32:28 -08:00
Carlos Garnacho
3c06f2dc90 backends/x11: Implement X11-specific MetaInputSettings
This goes through modifying XI2 device properties, either common ones (eg.
set on every device) or those specific to the libinput X11 driver. Keyboard
repeat/rate are set through core and XKB APIs.

https://bugzilla.gnome.org/show_bug.cgi?id=739397
2015-01-18 13:32:28 -08:00
Carlos Garnacho
460e1fd7ca backends: Add MetaInputSettings
This object internally keeps track of the relevant input configuration,
and goes through its vmethods in order to apply the configuration on the
backend-specific devices.

So far, only mouse/touchpad settings are actually attached to GSettings
changes. ::set_matrix(), meant for tablets/touchscreens, is not hooked
yet.

One caveat is that meta_input_settings_create() may return NULL if the
backend does not own the windowing system (wayland nested on X11 being
the one case), and thus device settings can't be changed freely.

https://bugzilla.gnome.org/show_bug.cgi?id=739397
2015-01-18 13:32:28 -08:00