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display: Move finishing of touch sequence to the backend

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We need to manipulate an X11 grab when a touch sequence ends; move that
logic to where it belongs - in the X11 backend.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/886
This commit is contained in:
Jonas Ådahl 2019-10-24 21:19:36 +02:00
parent 74e3126b77
commit f205dabc5e
6 changed files with 70 additions and 24 deletions
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16
src/backends/meta-backend-private.h
View File

@ -51,6 +51,14 @@
#define META_TYPE_BACKEND (meta_backend_get_type ())
G_DECLARE_DERIVABLE_TYPE (MetaBackend, meta_backend, META, BACKEND, GObject)
typedef enum _MetaSequenceState
{
META_SEQUENCE_NONE,
META_SEQUENCE_ACCEPTED,
META_SEQUENCE_REJECTED,
META_SEQUENCE_PENDING_END
} MetaSequenceState;
struct _MetaBackendClass
{
GObjectClass parent_class;
@ -73,6 +81,10 @@ struct _MetaBackendClass
int device_id,
uint32_t timestamp);
void (* finish_touch_sequence) (MetaBackend *backend,
ClutterEventSequence *sequence,
MetaSequenceState state);
void (* warp_pointer) (MetaBackend *backend,
int x,
int y);
@ -134,6 +146,10 @@ gboolean meta_backend_ungrab_device (MetaBackend *backend,
int device_id,
uint32_t timestamp);
void meta_backend_finish_touch_sequence (MetaBackend *backend,
ClutterEventSequence *sequence,
MetaSequenceState state);
void meta_backend_warp_pointer (MetaBackend *backend,
int x,
int y);

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

@ -846,6 +846,20 @@ meta_backend_ungrab_device (MetaBackend *backend,
return META_BACKEND_GET_CLASS (backend)->ungrab_device (backend, device_id, timestamp);
}
/**
* meta_backend_finish_touch_sequence: (skip)
*/
void
meta_backend_finish_touch_sequence (MetaBackend *backend,
ClutterEventSequence *sequence,
MetaSequenceState state)
{
if (META_BACKEND_GET_CLASS (backend)->finish_touch_sequence)
META_BACKEND_GET_CLASS (backend)->finish_touch_sequence (backend,
sequence,
state);
}
/**
* meta_backend_warp_pointer: (skip)
*/

23
src/backends/x11/meta-backend-x11.c
View File

@ -584,6 +584,28 @@ meta_backend_x11_ungrab_device (MetaBackend *backend,
return (ret == Success);
}
static void
meta_backend_x11_finish_touch_sequence (MetaBackend *backend,
ClutterEventSequence *sequence,
MetaSequenceState state)
{
MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
int event_mode;
if (state == META_SEQUENCE_ACCEPTED)
event_mode = XIAcceptTouch;
else if (state == META_SEQUENCE_REJECTED)
event_mode = XIRejectTouch;
else
g_return_if_reached ();
XIAllowTouchEvents (priv->xdisplay,
META_VIRTUAL_CORE_POINTER_ID,
clutter_x11_event_sequence_get_touch_detail (sequence),
DefaultRootWindow (priv->xdisplay), event_mode);
}
static void
meta_backend_x11_warp_pointer (MetaBackend *backend,
int x,
@ -769,6 +791,7 @@ meta_backend_x11_class_init (MetaBackendX11Class *klass)
backend_class->post_init = meta_backend_x11_post_init;
backend_class->grab_device = meta_backend_x11_grab_device;
backend_class->ungrab_device = meta_backend_x11_ungrab_device;
backend_class->finish_touch_sequence = meta_backend_x11_finish_touch_sequence;
backend_class->warp_pointer = meta_backend_x11_warp_pointer;
backend_class->get_current_logical_monitor = meta_backend_x11_get_current_logical_monitor;
backend_class->get_keymap = meta_backend_x11_get_keymap;

33
src/core/display.c
View File

@ -55,6 +55,7 @@
#include "backends/x11/meta-backend-x11.h"
#include "backends/meta-stage-private.h"
#include "backends/meta-input-settings-private.h"
#include "backends/meta-backend-private.h"
#include <clutter/x11/clutter-x11.h>
#ifdef HAVE_RANDR
@ -533,27 +534,23 @@ gesture_tracker_state_changed (MetaGestureTracker *tracker,
MetaSequenceState state,
MetaDisplay *display)
{
if (meta_is_wayland_compositor ())
switch (state)
{
if (state == META_SEQUENCE_ACCEPTED)
meta_display_cancel_touch (display);
}
else
{
MetaBackendX11 *backend = META_BACKEND_X11 (meta_get_backend ());
int event_mode;
case META_SEQUENCE_NONE:
case META_SEQUENCE_PENDING_END:
return;
case META_SEQUENCE_ACCEPTED:
meta_display_cancel_touch (display);
if (state == META_SEQUENCE_ACCEPTED)
event_mode = XIAcceptTouch;
else if (state == META_SEQUENCE_REJECTED)
event_mode = XIRejectTouch;
else
return;
/* Intentional fall-through */
case META_SEQUENCE_REJECTED:
{
MetaBackend *backend;
XIAllowTouchEvents (meta_backend_x11_get_xdisplay (backend),
META_VIRTUAL_CORE_POINTER_ID,
clutter_x11_event_sequence_get_touch_detail (sequence),
DefaultRootWindow (display->xdisplay), event_mode);
backend = meta_get_backend ();
meta_backend_finish_touch_sequence (backend, sequence, state);
break;
}
}
}

7
src/core/meta-gesture-tracker-private.h
View File

@ -38,12 +38,7 @@
typedef struct _MetaGestureTracker MetaGestureTracker;
typedef struct _MetaGestureTrackerClass MetaGestureTrackerClass;
typedef enum {
META_SEQUENCE_NONE,
META_SEQUENCE_ACCEPTED,
META_SEQUENCE_REJECTED,
META_SEQUENCE_PENDING_END
} MetaSequenceState;
typedef enum _MetaSequenceState MetaSequenceState;
struct _MetaGestureTracker
{

1
src/core/meta-gesture-tracker.c
View File

@ -31,6 +31,7 @@
#include "config.h"
#include "meta-gesture-tracker-private.h"
#include "meta-surface-actor.h"
#include "meta-backend-private.h"
#define DISTANCE_THRESHOLD 30