sungmg/mutter-performance-source
1
0
Fork 0
Code Activity

cursor-tracker: Add X11 cursor tracker backend

Browse source 
The intention is to use this to actively track the cursor position given
a fixed interval when needed, e.g. when screen casting.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1391
This commit is contained in:
Jonas Ådahl 2020-07-29 11:06:43 +02:00
parent fcf7c4d0c7
commit 3abbfef66e
9 changed files with 105 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
src/backends/meta-backend-private.h
View file

@ -68,6 +68,7 @@ struct _MetaBackendClass
MetaMonitorManager * (* create_monitor_manager) (MetaBackend *backend,
GError **error);
MetaCursorRenderer * (* create_cursor_renderer) (MetaBackend *backend);
MetaCursorTracker * (* create_cursor_tracker) (MetaBackend *backend);
MetaRenderer * (* create_renderer) (MetaBackend *backend,
GError **error);
MetaInputSettings * (* create_input_settings) (MetaBackend *backend);

14
src/backends/meta-backend.c
View file

@ -592,6 +592,14 @@ meta_backend_real_is_lid_closed (MetaBackend *backend)
return priv->lid_is_closed;
}
static MetaCursorTracker *
meta_backend_real_create_cursor_tracker (MetaBackend *backend)
{
return g_object_new (META_TYPE_CURSOR_TRACKER,
"backend", backend,
NULL);
}
gboolean
meta_backend_is_lid_closed (MetaBackend *backend)
{
@ -745,6 +753,7 @@ meta_backend_class_init (MetaBackendClass *klass)
klass->ungrab_device = meta_backend_real_ungrab_device;
klass->select_stage_events = meta_backend_real_select_stage_events;
klass->is_lid_closed = meta_backend_real_is_lid_closed;
klass->create_cursor_tracker = meta_backend_real_create_cursor_tracker;
signals[KEYMAP_CHANGED] =
g_signal_new ("keymap-changed",
@ -988,9 +997,8 @@ meta_backend_initable_init (GInitable *initable,
if (!priv->renderer)
return FALSE;
priv->cursor_tracker = g_object_new (META_TYPE_CURSOR_TRACKER,
"backend", backend,
NULL);
priv->cursor_tracker =
META_BACKEND_GET_CLASS (backend)->create_cursor_tracker (backend);
priv->dnd = g_object_new (META_TYPE_DND, NULL);

5
src/backends/meta-cursor-tracker-private.h
View file

@ -27,6 +27,11 @@
#include "backends/x11/cm/meta-cursor-sprite-xfixes.h"
#include "meta/meta-cursor-tracker.h"
struct _MetaCursorTrackerClass
{
GObjectClass parent_class;
};
gboolean meta_cursor_tracker_handle_xevent (MetaCursorTracker *tracker,
XEvent *xevent);

5
src/backends/meta-cursor-tracker.c
View file

@ -56,11 +56,6 @@ enum
static GParamSpec *obj_props[N_PROPS];
struct _MetaCursorTracker
{
GObject parent;
};
typedef struct _MetaCursorTrackerPrivate
{
MetaBackend *backend;

10
src/backends/x11/cm/meta-backend-x11-cm.c
View file

@ -29,6 +29,7 @@
#include "backends/meta-backend-private.h"
#include "backends/meta-dnd-private.h"
#include "backends/x11/meta-cursor-renderer-x11.h"
#include "backends/x11/meta-cursor-tracker-x11.h"
#include "backends/x11/meta-gpu-xrandr.h"
#include "backends/x11/meta-input-settings-x11.h"
#include "backends/x11/meta-monitor-manager-xrandr.h"
@ -122,6 +123,14 @@ meta_backend_x11_cm_create_cursor_renderer (MetaBackend *backend)
NULL);
}
static MetaCursorTracker *
meta_backend_x11_cm_create_cursor_tracker (MetaBackend *backend)
{
return g_object_new (META_TYPE_CURSOR_TRACKER_X11,
"backend", backend,
NULL);
}
static MetaInputSettings *
meta_backend_x11_cm_create_input_settings (MetaBackend *backend)
{
@ -436,6 +445,7 @@ meta_backend_x11_cm_class_init (MetaBackendX11CmClass *klass)
backend_class->create_renderer = meta_backend_x11_cm_create_renderer;
backend_class->create_monitor_manager = meta_backend_x11_cm_create_monitor_manager;
backend_class->create_cursor_renderer = meta_backend_x11_cm_create_cursor_renderer;
backend_class->create_cursor_tracker = meta_backend_x11_cm_create_cursor_tracker;
backend_class->create_input_settings = meta_backend_x11_cm_create_input_settings;
backend_class->update_screen_size = meta_backend_x11_cm_update_screen_size;
backend_class->select_stage_events = meta_backend_x11_cm_select_stage_events;

41
src/backends/x11/meta-cursor-tracker-x11.c Normal file
View file

@ -0,0 +1,41 @@
/*
* Copyright (C) 2020 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
*/
#include "config.h"
#include "backends/x11/meta-cursor-tracker-x11.h"
struct _MetaCursorTrackerX11
{
MetaCursorTracker parent;
};
G_DEFINE_TYPE (MetaCursorTrackerX11, meta_cursor_tracker_x11,
META_TYPE_CURSOR_TRACKER)
static void
meta_cursor_tracker_x11_init (MetaCursorTrackerX11 *tracker_x11)
{
}
static void
meta_cursor_tracker_x11_class_init (MetaCursorTrackerX11Class *klass)
{
}

31
src/backends/x11/meta-cursor-tracker-x11.h Normal file
View file

@ -0,0 +1,31 @@
/*
* Copyright (C) 2020 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
*/
#ifndef META_CURSOR_TRACKER_X11_H
#define META_CURSOR_TRACKER_X11_H
#include "backends/meta-cursor-tracker-private.h"
#define META_TYPE_CURSOR_TRACKER_X11 (meta_cursor_tracker_x11_get_type ())
G_DECLARE_FINAL_TYPE (MetaCursorTrackerX11, meta_cursor_tracker_x11,
META, CURSOR_TRACKER_X11,
MetaCursorTracker)
#endif /* META_CURSOR_TRACKER_X11_H */

2
src/meson.build
View file

@ -249,6 +249,8 @@ mutter_sources = [
'backends/x11/meta-crtc-xrandr.h',
'backends/x11/meta-cursor-renderer-x11.c',
'backends/x11/meta-cursor-renderer-x11.h',
'backends/x11/meta-cursor-tracker-x11.c',
'backends/x11/meta-cursor-tracker-x11.h',
'backends/x11/meta-event-x11.c',
'backends/x11/meta-event-x11.h',
'backends/x11/meta-gpu-xrandr.c',

9
src/meta/meta-cursor-tracker.h
View file

@ -32,11 +32,10 @@
#define META_TYPE_CURSOR_TRACKER (meta_cursor_tracker_get_type ())
META_EXPORT
G_DECLARE_FINAL_TYPE (MetaCursorTracker,
meta_cursor_tracker,
META, CURSOR_TRACKER,
GObject)
G_DECLARE_DERIVABLE_TYPE (MetaCursorTracker,
meta_cursor_tracker,
META, CURSOR_TRACKER,
GObject)
META_EXPORT
MetaCursorTracker *meta_cursor_tracker_get_for_display (MetaDisplay *display);