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backend: Set up and use ownership chains

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This means objects have an owner, where the chain eventually always
leads to a MetaContext. This also means that all objects can find their
way to other object instances via the chain, instead of scattered global
singletons.

This is a squashed commit originally containing the following:

cursor-tracker: Don't get backend from singleton

idle-manager: Don't get backend from singleton

input-device: Pass pointer to backend during construction

The backend is needed during construction to get the wacom database.

input-mapper: Pass backend when constructing

monitor: Don't get backend from singleton

monitor-manager: Get backend directly from monitor manager

remote: Get backend from manager class

For the remote desktop and screen cast implementations, replace getting
the backend from singletons with getting it via the manager classes.

launcher: Pass backend during construction

device-pool: Pass backend during construction

Instead of passing the (maybe null) launcher, pass the backend, and get
the launcher from there. That way we always have a way to some known
context from the device pool.

drm-buffer/gbm: Get backend via device pool

cursor-renderer: Get backend directly from renderer

input-device: Get backend getter

input-settings: Add backend construct property and getter

input-settings/x11: Don't get backend from singleton

renderer: Get backend from renderer itself

seat-impl: Add backend getter

seat/native: Get backend from instance struct

stage-impl: Get backend from stage impl itself

x11/xkb-a11y: Don't get backend from singleton

backend/x11/nested: Don't get Wayland compositor from singleton

crtc: Add backend property

Adding a link to the GPU isn't enough; the virtual CRTCs of virtual
monitors doesn't have one.

cursor-tracker: Don't get display from singleton

remote: Don't get display from singleton

seat: Don't get display from singleton

backend/x11: Don't get display from singleton

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2718>
This commit is contained in:
Jonas Ådahl
2022-05-27 19:35:01 +02:00
committed by Marge Bot
parent c45ab10c0e
commit c390f70edc
54 changed files with 506 additions and 144 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/backends/native/meta-seat-native.c
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@ -261,7 +261,9 @@ meta_seat_native_peek_devices (ClutterSeat *seat)
static void
meta_seat_native_bell_notify (ClutterSeat *seat)
{
MetaDisplay *display = meta_get_display ();
MetaSeatNative *seat_native = META_SEAT_NATIVE (seat);
MetaContext *context = meta_backend_get_context (seat_native->backend);
MetaDisplay *display = meta_context_get_display (context);
meta_bell_notify (display, NULL);
}
@ -595,7 +597,7 @@ meta_seat_native_maybe_ensure_cursor_renderer (MetaSeatNative *seat_native,
MetaCursorRendererNative *cursor_renderer_native;
cursor_renderer_native =
meta_cursor_renderer_native_new (meta_get_backend (),
meta_cursor_renderer_native_new (seat_native->backend,
seat_native->core_pointer);
seat_native->cursor_renderer =
META_CURSOR_RENDERER (cursor_renderer_native);
@ -622,7 +624,7 @@ meta_seat_native_maybe_ensure_cursor_renderer (MetaSeatNative *seat_native,
if (!cursor_renderer)
{
cursor_renderer = meta_cursor_renderer_new (meta_get_backend (),
cursor_renderer = meta_cursor_renderer_new (seat_native->backend,
device);
g_hash_table_insert (seat_native->tablet_cursors,
device, cursor_renderer);