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3ade57e4e9
mutter/src/backends/x11/nested/meta-backend-x11-nested.c
Carlos Garnacho 3ade57e4e9 backends: Add ::device property to MetaCursorRenderer 
A cursor renderer is made to invariably follow a pointer device, make
it a construct-time property, and update all creators of cursor renderers
to specify it.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
2020-11-27 15:14:33 +00:00

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/*
* Copyright (C) 2017 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/nested/meta-backend-x11-nested.h"
#include "backends/meta-monitor-manager-dummy.h"
#include "backends/x11/nested/meta-backend-x11-nested.h"
#include "backends/x11/nested/meta-cursor-renderer-x11-nested.h"
#include "backends/x11/nested/meta-renderer-x11-nested.h"
#include "wayland/meta-wayland.h"
typedef struct _MetaBackendX11NestedPrivate
{
MetaGpu *gpu;
MetaCursorRenderer *cursor_renderer;
} MetaBackendX11NestedPrivate;
static GInitableIface *initable_parent_iface;
static void
initable_iface_init (GInitableIface *initable_iface);
G_DEFINE_TYPE_WITH_CODE (MetaBackendX11Nested, meta_backend_x11_nested,
META_TYPE_BACKEND_X11,
G_ADD_PRIVATE (MetaBackendX11Nested)
G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
initable_iface_init));
static MetaRenderer *
meta_backend_x11_nested_create_renderer (MetaBackend *backend,
GError **error)
{
return g_object_new (META_TYPE_RENDERER_X11_NESTED,
"backend", backend,
NULL);
}
static MetaMonitorManager *
meta_backend_x11_nested_create_monitor_manager (MetaBackend *backend,
GError **error)
{
return g_object_new (META_TYPE_MONITOR_MANAGER_DUMMY,
"backend", backend,
NULL);
}
static MetaCursorRenderer *
meta_backend_x11_nested_get_cursor_renderer (MetaBackend *backend,
ClutterInputDevice *device)
{
MetaBackendX11Nested *backend_x11_nested = META_BACKEND_X11_NESTED (backend);
MetaBackendX11NestedPrivate *priv =
meta_backend_x11_nested_get_instance_private (backend_x11_nested);
if (!priv->cursor_renderer)
{
priv->cursor_renderer =
g_object_new (META_TYPE_CURSOR_RENDERER_X11_NESTED,
"backend", backend,
"device", device,
NULL);
}
return priv->cursor_renderer;
}
static MetaInputSettings *
meta_backend_x11_nested_create_input_settings (MetaBackend *backend)
{
return NULL;
}
static void
meta_backend_x11_nested_update_screen_size (MetaBackend *backend,
int width,
int height)
{
ClutterActor *stage = meta_backend_get_stage (backend);
MetaRenderer *renderer = meta_backend_get_renderer (backend);
if (meta_is_stage_views_enabled ())
{
meta_renderer_rebuild_views (renderer);
clutter_stage_clear_stage_views (CLUTTER_STAGE (stage));
}
clutter_actor_set_size (stage, width, height);
}
static void
meta_backend_x11_nested_select_stage_events (MetaBackend *backend)
{
MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
Display *xdisplay = meta_backend_x11_get_xdisplay (x11);
Window xwin = meta_backend_x11_get_xwindow (x11);
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISetMask (mask.mask, XI_KeyPress);
XISetMask (mask.mask, XI_KeyRelease);
XISetMask (mask.mask, XI_ButtonPress);
XISetMask (mask.mask, XI_ButtonRelease);
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISetMask (mask.mask, XI_FocusIn);
XISetMask (mask.mask, XI_FocusOut);
XISetMask (mask.mask, XI_Motion);
/*
* When we're an X11 compositor, we can't take these events or else replaying
* events from our passive root window grab will cause them to come back to
* us.
*
* When we're a nested application, we want to behave like any other
* application, so select these events like normal apps do.
*/
XISetMask (mask.mask, XI_TouchBegin); XISetMask (mask.mask, XI_TouchEnd);
XISetMask (mask.mask, XI_TouchUpdate);
XISelectEvents (xdisplay, xwin, &mask, 1);
/*
* We have no way of tracking key changes when the stage doesn't have focus,
* so we select for KeymapStateMask so that we get a complete dump of the
* keyboard state in a KeymapNotify event that immediately follows each
* FocusIn (and EnterNotify, but we ignore that.)
*/
XWindowAttributes xwa;
XGetWindowAttributes(xdisplay, xwin, &xwa);
XSelectInput(xdisplay, xwin,
xwa.your_event_mask | FocusChangeMask | KeymapStateMask);
}
static void
meta_backend_x11_nested_lock_layout_group (MetaBackend *backend,
guint idx)
{
}
static void
meta_backend_x11_nested_set_keymap (MetaBackend *backend,
const char *layouts,
const char *variants,
const char *options)
{
}
static gboolean
meta_backend_x11_nested_is_lid_closed (MetaBackend *backend)
{
return FALSE;
}
static gboolean
meta_backend_x11_nested_handle_host_xevent (MetaBackendX11 *x11,
XEvent *event)
{
#ifdef HAVE_WAYLAND
if (event->type == FocusIn)
{
Window xwin = meta_backend_x11_get_xwindow (x11);
XEvent xev;
if (event->xfocus.window == xwin)
{
MetaWaylandCompositor *compositor =
meta_wayland_compositor_get_default ();
Display *xdisplay = meta_backend_x11_get_xdisplay (x11);
/*
* Since we've selected for KeymapStateMask, every FocusIn is
* followed immediately by a KeymapNotify event.
*/
XMaskEvent (xdisplay, KeymapStateMask, &xev);
meta_wayland_compositor_update_key_state (compositor,
xev.xkeymap.key_vector,
32, 8);
}
}
#endif
return FALSE;
}
static void
meta_backend_x11_nested_translate_device_event (MetaBackendX11 *x11,
XIDeviceEvent *device_event)
{
/* This codepath should only ever trigger as an X11 compositor,
* and never under nested, as under nested all backend events
* should be reported with respect to the stage window.
*/
g_assert (device_event->event == meta_backend_x11_get_xwindow (x11));
}
static void
meta_backend_x11_nested_real_init_gpus (MetaBackendX11Nested *backend_x11_nested)
{
MetaBackendX11NestedPrivate *priv =
meta_backend_x11_nested_get_instance_private (backend_x11_nested);
priv->gpu = g_object_new (META_TYPE_GPU_DUMMY,
"backend", backend_x11_nested,
NULL);
meta_backend_add_gpu (META_BACKEND (backend_x11_nested), priv->gpu);
}
static void
meta_backend_x11_nested_post_init (MetaBackend *backend)
{
MetaBackendClass *backend_class =
META_BACKEND_CLASS (meta_backend_x11_nested_parent_class);
backend_class->post_init (backend);
#ifdef HAVE_WAYLAND
meta_backend_init_wayland (backend);
#endif
}
static gboolean
meta_backend_x11_nested_initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
#ifdef HAVE_WAYLAND
meta_backend_init_wayland_display (META_BACKEND (initable));
#endif
return initable_parent_iface->init (initable, cancellable, error);
}
static void
initable_iface_init (GInitableIface *initable_iface)
{
initable_parent_iface = g_type_interface_peek_parent (initable_iface);
initable_iface->init = meta_backend_x11_nested_initable_init;
}
static void
meta_backend_x11_nested_constructed (GObject *object)
{
MetaBackendX11Nested *backend_x11_nested = META_BACKEND_X11_NESTED (object);
MetaBackendX11NestedClass *backend_x11_nested_class =
META_BACKEND_X11_NESTED_GET_CLASS (backend_x11_nested);
GObjectClass *parent_class =
G_OBJECT_CLASS (meta_backend_x11_nested_parent_class);
parent_class->constructed (object);
backend_x11_nested_class->init_gpus (backend_x11_nested);
}
static void
meta_backend_x11_nested_init (MetaBackendX11Nested *backend_x11_nested)
{
}
static void
meta_backend_x11_nested_class_init (MetaBackendX11NestedClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
MetaBackendClass *backend_class = META_BACKEND_CLASS (klass);
MetaBackendX11Class *backend_x11_class = META_BACKEND_X11_CLASS (klass);
object_class->constructed = meta_backend_x11_nested_constructed;
backend_class->post_init = meta_backend_x11_nested_post_init;
backend_class->create_renderer = meta_backend_x11_nested_create_renderer;
backend_class->create_monitor_manager = meta_backend_x11_nested_create_monitor_manager;
backend_class->get_cursor_renderer = meta_backend_x11_nested_get_cursor_renderer;
backend_class->create_input_settings = meta_backend_x11_nested_create_input_settings;
backend_class->update_screen_size = meta_backend_x11_nested_update_screen_size;
backend_class->select_stage_events = meta_backend_x11_nested_select_stage_events;
backend_class->lock_layout_group = meta_backend_x11_nested_lock_layout_group;
backend_class->set_keymap = meta_backend_x11_nested_set_keymap;
backend_class->is_lid_closed = meta_backend_x11_nested_is_lid_closed;
backend_x11_class->handle_host_xevent = meta_backend_x11_nested_handle_host_xevent;
backend_x11_class->translate_device_event = meta_backend_x11_nested_translate_device_event;
klass->init_gpus = meta_backend_x11_nested_real_init_gpus;
}
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