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wayland: Drop old hack to synthesize motion events

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mutter now uses Clutter events for the source of its drag support, so
we don't need to synthesize X11 events anymore.
This commit is contained in:
Jasper St. Pierre 2013-10-03 23:47:10 -04:00
parent 666e5f1f98
commit 875bbec949
6 changed files with 1 additions and 187 deletions
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15
src/core/display.c
View file

@ -3301,21 +3301,6 @@ xevent_callback (XEvent *event,
{
MetaDisplay *display = data;
/* Under Wayland we want to filter out mouse motion events so we can
synthesize them from the Clutter events instead. This is
necessary because the position in the mouse events is passed to
the X server relative to the position of the surface. The X
server then translates these back to screen coordinates based on
the window position. If we rely on this translatation when
dragging a window around then the window will jump around
erratically because of the lag between updating the window
position from the surface position. Instead we bypass the
translation altogether by directly using the Clutter events */
if (meta_is_wayland_compositor () &&
event->type == GenericEvent &&
event->xcookie.evtype == XI_Motion)
return FALSE;
return meta_display_handle_xevent (display, event);
}

1
src/wayland/meta-wayland-pointer.h
View file

@ -62,7 +62,6 @@ struct _MetaWaylandPointer
wl_fixed_t x, y; /* TODO: remove, use ClutterInputDevice instead */
MetaWaylandSurface *current;
wl_fixed_t current_x, current_y;
guint32 button_count;
};

8
src/wayland/meta-wayland-private.h
View file

@ -83,14 +83,6 @@ struct _MetaWaylandCompositor
int drm_fd;
MetaWaylandSeat *seat;
/* This surface is only used to keep drag of the implicit grab when
synthesizing XEvents for Mutter */
MetaWaylandSurface *implicit_grab_surface;
/* Button that was pressed to initiate an implicit grab. The
implicit grab will only be released when this button is
released */
guint32 implicit_grab_button;
};
void meta_wayland_init (void);

18
src/wayland/meta-wayland-seat.c
View file

@ -409,20 +409,6 @@ meta_wayland_seat_handle_event (MetaWaylandSeat *seat,
return FALSE;
}
static void
update_pointer_position_for_actor (MetaWaylandPointer *pointer,
ClutterActor *actor)
{
float ax, ay;
clutter_actor_transform_stage_point (actor,
wl_fixed_to_double (pointer->x),
wl_fixed_to_double (pointer->y),
&ax, &ay);
pointer->current_x = wl_fixed_from_double (ax);
pointer->current_y = wl_fixed_from_double (ay);
}
/* The actor argument can be NULL in which case a Clutter pick will be
performed to determine the right actor. An actor should only be
passed if the repick is being performed due to an event in which
@ -459,16 +445,12 @@ meta_wayland_seat_repick (MetaWaylandSeat *seat,
MetaWindow *window =
meta_window_actor_get_meta_window (META_WINDOW_ACTOR (actor));
update_pointer_position_for_actor (pointer, actor);
surface = window->surface;
}
else if (META_IS_SHAPED_TEXTURE (actor))
{
MetaShapedTexture *shaped_texture = META_SHAPED_TEXTURE (actor);
update_pointer_position_for_actor (pointer, actor);
surface = meta_shaped_texture_get_wayland_surface (shaped_texture);
}

3
src/wayland/meta-wayland-surface.c
View file

@ -444,9 +444,6 @@ meta_wayland_surface_free (MetaWaylandSurface *surface)
g_assert (surface != compositor->seat->pointer.focus);
}
if (compositor->implicit_grab_surface == surface)
compositor->implicit_grab_surface = compositor->seat->pointer.current;
if (surface->resource)
wl_resource_set_user_data (surface->resource, NULL);
g_slice_free (MetaWaylandSurface, surface);

143
src/wayland/meta-wayland.c
View file

@ -533,119 +533,6 @@ stage_destroy_cb (void)
meta_quit (META_EXIT_SUCCESS);
}
#define N_BUTTONS 5
static void
synthesize_motion_event (MetaWaylandCompositor *compositor,
const ClutterEvent *event)
{
/* We want to synthesize X events for mouse motion events so that we
don't have to rely on the X server's window position being
synched with the surface position. See the comment in
event_callback() in display.c */
MetaWaylandSeat *seat = compositor->seat;
MetaWaylandPointer *pointer = &seat->pointer;
MetaWaylandSurface *surface;
XGenericEventCookie generic_event;
XIDeviceEvent device_event;
unsigned char button_mask[(N_BUTTONS + 7) / 8] = { 0 };
MetaDisplay *display = meta_get_display ();
ClutterModifierType button_state;
int i;
generic_event.type = GenericEvent;
generic_event.serial = 0;
generic_event.send_event = False;
generic_event.display = display->xdisplay;
generic_event.extension = display->xinput_opcode;
generic_event.evtype = XI_Motion;
/* Mutter assumes the data for the event is already retrieved by GDK
* so we don't need the cookie */
generic_event.cookie = 0;
generic_event.data = &device_event;
memcpy (&device_event, &generic_event, sizeof (XGenericEvent));
device_event.time = clutter_event_get_time (event);
device_event.deviceid = clutter_event_get_device_id (event);
device_event.sourceid = 0; /* not used, not sure what this should be */
device_event.detail = 0;
device_event.root = DefaultRootWindow (display->xdisplay);
device_event.flags = 0 /* not used for motion events */;
if (compositor->implicit_grab_surface)
surface = compositor->implicit_grab_surface;
else
surface = pointer->current;
if (surface == pointer->current)
{
device_event.event_x = wl_fixed_to_int (pointer->current_x);
device_event.event_y = wl_fixed_to_int (pointer->current_y);
}
else if (surface && surface->window)
{
ClutterActor *window_actor =
CLUTTER_ACTOR (meta_window_get_compositor_private (surface->window));
if (window_actor)
{
float ax, ay;
clutter_actor_transform_stage_point (window_actor,
wl_fixed_to_double (pointer->x),
wl_fixed_to_double (pointer->y),
&ax, &ay);
device_event.event_x = ax;
device_event.event_y = ay;
}
else
{
device_event.event_x = wl_fixed_to_double (pointer->x);
device_event.event_y = wl_fixed_to_double (pointer->y);
}
}
else
{
device_event.event_x = wl_fixed_to_double (pointer->x);
device_event.event_y = wl_fixed_to_double (pointer->y);
}
if (surface && surface->window != NULL)
device_event.event = surface->window->xwindow;
else
device_event.event = device_event.root;
/* Mutter doesn't really know about the sub-windows. This assumes it
doesn't care either */
device_event.child = device_event.event;
device_event.root_x = wl_fixed_to_double (pointer->x);
device_event.root_y = wl_fixed_to_double (pointer->y);
clutter_event_get_state_full (event,
&button_state,
(ClutterModifierType*)&device_event.mods.base,
(ClutterModifierType*)&device_event.mods.latched,
(ClutterModifierType*)&device_event.mods.locked,
(ClutterModifierType*)&device_event.mods.effective);
device_event.mods.effective &= ~button_state;
memset (&device_event.group, 0, sizeof (device_event.group));
device_event.group.effective = (device_event.mods.effective >> 13) & 0x3;
for (i = 0; i < N_BUTTONS; i++)
if ((button_state & (CLUTTER_BUTTON1_MASK << i)))
XISetMask (button_mask, i + 1);
device_event.buttons.mask_len = N_BUTTONS + 1;
device_event.buttons.mask = button_mask;
device_event.valuators.mask_len = 0;
device_event.valuators.mask = NULL;
device_event.valuators.values = NULL;
meta_display_handle_xevent (display, (XEvent *) &generic_event);
}
static void
reset_idletimes (const ClutterEvent *event)
{
@ -682,7 +569,6 @@ event_filter_cb (const ClutterEvent *event,
MetaWaylandSeat *seat = compositor->seat;
MetaWaylandPointer *pointer = &seat->pointer;
MetaWaylandSurface *surface;
MetaDisplay *display;
reset_idletimes (event);
@ -721,34 +607,7 @@ event_filter_cb (const ClutterEvent *event,
CLUTTER_ACTOR (event->any.stage));
}
display = meta_get_display ();
if (!display)
return FALSE;
switch (event->type)
{
case CLUTTER_BUTTON_PRESS:
if (compositor->implicit_grab_surface == NULL)
{
compositor->implicit_grab_button = event->button.button;
compositor->implicit_grab_surface = pointer->current;
}
return FALSE;
case CLUTTER_BUTTON_RELEASE:
if (event->type == CLUTTER_BUTTON_RELEASE &&
compositor->implicit_grab_surface &&
event->button.button == compositor->implicit_grab_button)
compositor->implicit_grab_surface = NULL;
return FALSE;
case CLUTTER_MOTION:
synthesize_motion_event (compositor, event);
return FALSE;
default:
return FALSE;
}
return FALSE;
}
static void