with the surface ref-count feature a surface may live on after its
resource was destroyed. so listen for the resource destroy signal
and set the focus to NULL.
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
If a view which has focus is destroyed, we would send a leave
event while changing focus, causing a segfault. Prevent this
by listening to the view's destroy signal and removing it from
the pointer focus.
Signed-off-by: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
Add the ability to bind to modifiers; the binding is armed when a key
which sets the requested modifier is pressed, and triggered if the key
is released with no other keys having been pressed in the meantime, as
well as mouse buttons or scroll axes.
This only works for direct modifiers (e.g. Shift and Alt), not modifiers
which latch or lock.
[pochu: rebased]
The signal will be emitted after the pointer is moved. A shell plugin
can listen to the signal and activate certain effects when the pointer
touches the screen corners, for instance.
A grab can potentially allocate memory and would normally end the grab
itself, freeing the allocated memory in the process. However at in some
situations the compositor may want to abort a grab. The grab owner still
needs to free some memory and abort the grab properly. To do this a new
function 'cancel' is introduced in all the grab interfaces instructing
the grabs owner to abort the grab.
This patch also hooks up grab cancelling to seat device releasing and
when the compositor looses focus, which would potentially leak memory
before.
Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
How and when to update the keymap is left to each backend.
The new keymap only becomes effective when no keys are pressed and we
keep latched and locked modifiers from the previous state.
The weston_surface structure is split into two structures:
* The weston_surface structure storres everything required for a
client-side or server-side surface. This includes buffers; callbacks;
backend private data; input, damage, and opaque regions; and a few other
bookkeeping bits.
* The weston_view structure represents an entity in the scenegraph and
storres all of the geometry information. This includes clip region,
alpha, position, and the transformation list as well as all of the
temporary information derived from the geometry state. Because a view,
and not a surface, is a scenegraph element, the view is what is placed
in layers and planes.
There are a few things worth noting about the surface/view split:
1. This is *not* a modification to the protocol. It is, instead, a
modification to Weston's internal scenegraph to allow a single surface
to exist in multiple places at a time. Clients are completely unaware
of how many views to a particular surface exist.
2. A view is considered a direct child of a surface and is destroyed when
the surface is destroyed. Because of this, the view.surface pointer is
always valid and non-null.
3. The compositor's surface_list is replaced with a view_list. Due to
subsurfaces, building the view list is a little more complicated than
it used to be and involves building a tree of views on the fly whenever
subsurfaces are used. However, this means that backends can remain
completely subsurface-agnostic.
4. Surfaces and views both keep track of which outputs they are on.
5. The weston_surface structure now has width and height fields. These
are populated when a new buffer is attached before surface.configure
is called. This is because there are many surface-based operations
that really require the width and height and digging through the views
didn't work well.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
When the last input device with a certain capability is removed, unset
the focus of the seat device associated with the capability.
Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
Previously if you add a second finger while moving a window with a
touch grab then the position will keep jumping between the position of
each finger as you move them around. This patch changes it so that it
keeps track of the first touch id that starts the grab and only
updates the grab position when that finger moves.
Adds a new binding type for touch events via the new function
weston_compositor_add_touch_binding. The binding can only be added for
a touch down with the first finger. The shell now uses this to install
a binding to activate the current surface.
This fixes an uninitialized serial error, were we could send out the
modifier event even if the client didn't have a pointer resource. We
send out the modifier event to let clients know the modifer mask when
they receive a pointer button event. Thus, if the client doesn't have
a pointer we don't need to send the modifier event.
Additionally we would send out the modifier event with an
uninitialized serial number.
Finally, this commit restores the order of sending the modifier event
before the enter, like it used to be. Not likely to be an issue,
since the client will always receive the modifier event before any
button event, but it's a little nicer to give the client the modifier
events before it receives any pointer events.
Here too we must make sure the surface has a valid resource, as
there are some (xwayland, surfaces created by the shell) that
don't have it.
Fix a Weston crash when setting a mpv window fullscreen on drm.
The Wayland protocol permits a client to request the pointer, keyboard
and touch multiple times from the seat global. This is very useful in a
component like Clutter-GTK where we are combining two libraries that use
Wayland together.
This change migrates the weston input handling code to emit the
events for all the resources for the client by using the newly added
wl_resource_for_each macro to iterate over the resources that are
associated with the focused surface's client.
We maintain a list of focused resources on the pointer and keyboard
which is updated when the focus changes. However since we can have
resources created after the focus has already been set we must add the
resources to the right list and also update any state.
Additionally when setting the pointer focus it will now send the
keyboard modifiers regardless of whether the focused client has a
pointer resource. This is important because otherwise if the client
gets the pointer later than you getting the keyboard then the
modifiers might not be up-to-date.
Co-author: Neil Roberts <neil@linux.intel.com>
Hi Kristian,
Here's a new patch for ref counting weston_xkb_info, as suggested.
So a seat created with a NULL keymap will now point to the global xkb_info.
config.h includes were missing in a few files, including input.c, the
lack of which caused the X11 backend to segfault instantly due to not
having an xkbcommon context.
Signed-off-by: Daniel Stone <daniel@fooishbar.org>
This removes the use of wl_client_get_display() where the client is
derived from the focussed resource. This starts the removal of the
assumption of a single resource on a client that would be notified about
events on the focussed surface.
This commit sets the version numbers for all added/created objects. The
wl_compositor.create_surface implementation was altered to create a surface
with the same version as the underlying wl_compositor. Since no other
"child interfaces" have version greater than 1, they were all hard-coded to
version 1.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
In embedded environments, devices that appear as evdev "keyboards" often
have no resemblence to PC-style keyboards. It is not uncommon for such
environments to have no concept of modifier keys and no need for XKB key
mapping; in these cases libxkbcommon initialization becomes unnecessary
startup overhead. On some SOC platforms, xkb keymap compilation can
account for as much as 1/3 - 1/2 of the total compositor startup time.
This patch introduces a 'use_xkbcommon' flag in the core compositor
structure that indicates whether the compositor is running in "raw
keyboard" mode. In raw keyboard mode, the compositor bypasses all
libxkbcommon initialization and processing. 'key' events containing the
integer keycode will continue to be delivered via the wl_keyboard
interface, but no 'keymap' event will be sent to clients. No modifier
handling or keysym mapping is performed in this mode.
Note that upstream sample apps (e.g., weston-terminal or the
desktop-shell client) will not recognize raw keycodes and will not react
to keypresses when the compositor is operating in raw keyboard mode.
This is expected behavior; key events are still being sent to the
client, the client (and/or its toolkit) just isn't written to handle
keypresses without doing xkb keysym mapping. Applications written
specifically for such embedded environments would be handling keypresses
via the raw keycode delivered as part of the 'key' event rather than
using xkb keysym mapping.
Whether to use xkbcommon is a global option that applies to all
compositor keyboard devices on the system; it is an all-or-nothing flag.
This patch simply adds conditional checks on whether xkbcommon is to be
used or not.
v3 don't send zero as the file descriptor - instead send the result of
opening /dev/null
v2 by Rob Bradford <rob@linux.intel.com>: the original version of the
patch used a "raw_keycodes" flag instead of the "use_xkbcommon" used in
this patch.
v1: Reviewed-by: Singh, Satyeshwar <satyeshwar.singh@intel.com>
v1: Reviewed-by: Bob Paauwe <bob.j.paauwe@intel.com>
This change tweaks weston_pointer_clamp to take into consideration if a
seat is constrained to a particular output by only considering the
pointer position valid if it is within the output we a constrained to.
This function is also used for the initial warping of the pointer when a
constraint is first established.
The other two changes are the application of the constraint when either
a new device added or a new output created and therefore outputs and
input devices can be brought up in either order.
v2: the code in create_output_for_connector has been spun off into a
new function setup_output_seat_constraint (Ander). The inappropriate
warping behaviour has been resolved by using weston_pointer_clamp
(Pekka).
This refactors the code out from clip_pointer_motion into a function of
its own which can then be used elsewhere to clamp the pointer
coordinates to the range of the outputs.
This change also makes the caller of clip_pointer_motion use this new
function.
With the change to move free()ing of the wl_resource into wayland-server, we now have
a few cases where we double free the resource in the destructor. This patch
removes those.
This is the first in what will be a series of weston patches to convert
instances of wl_resource to pointers so we can make wl_resource opaque.
This patch handles weston_surface and should be the most invasive of the
entire series. I am sending this one out ahead of the rest for review.
Specifically, my machine is not set up to build XWayland so I have no
ability to test it fully. Could someone please test with XWayland and let
me know if this causes problems?
Because a surface may be created from XWayland, the resource may not always
exist. Therefore, a destroy signal was added to weston_surface and
everything used to listen to surface->resource.destroy_signal now listens
to surface->destroy_signal.
Kristian Høgsberg
Giulio Camuffo
Jason Ekstrand
Emilio Pozuelo Monfort
Daniel Stone
Jonas Ådahl
Rui Matos
Neil Roberts
Stefan Schmidt
Rob Bradford
Andrew Wedgbury
Rusty Lynch
Peter Hutterer
Michael Fu
Matt Roper