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wayland: don't try to use seat devices that aren't (yet) present

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Before commit ac448bd42be8cf8e46cadd7e1a209491e33b1693 the pointer,
keyboard, and touch objects were initialized when the seat was created.
Now they're initialized later, when the clutter device manager finds and
loads them.

This commit makes sure we don't try to access those objects if they
aren't initialized.

https://bugzilla.gnome.org/show_bug.cgi?id=744640
This commit is contained in:
Ray Strode 2015-02-18 10:43:42 -05:00
parent 469b85eb7c
commit 2aa6dcd9d8
1 changed files with 33 additions and 13 deletions
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46
src/wayland/meta-wayland-seat.c
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@ -44,7 +44,8 @@ seat_get_pointer (struct wl_client *client,
MetaWaylandSeat *seat = wl_resource_get_user_data (resource);
MetaWaylandPointer *pointer = &seat->pointer;
meta_wayland_pointer_create_new_resource (pointer, client, resource, id);
if ((seat->capabilities & WL_SEAT_CAPABILITY_POINTER) != 0)
meta_wayland_pointer_create_new_resource (pointer, client, resource, id);
}
static void
@ -55,7 +56,8 @@ seat_get_keyboard (struct wl_client *client,
MetaWaylandSeat *seat = wl_resource_get_user_data (resource);
MetaWaylandKeyboard *keyboard = &seat->keyboard;
meta_wayland_keyboard_create_new_resource (keyboard, client, resource, id);
if ((seat->capabilities & WL_SEAT_CAPABILITY_KEYBOARD) != 0)
meta_wayland_keyboard_create_new_resource (keyboard, client, resource, id);
}
static void
@ -66,7 +68,8 @@ seat_get_touch (struct wl_client *client,
MetaWaylandSeat *seat = wl_resource_get_user_data (resource);
MetaWaylandTouch *touch = &seat->touch;
meta_wayland_touch_create_new_resource (touch, client, resource, id);
if ((seat->capabilities & WL_SEAT_CAPABILITY_TOUCH) != 0)
meta_wayland_touch_create_new_resource (touch, client, resource, id);
}
static const struct wl_seat_interface seat_interface = {
@ -350,6 +353,9 @@ meta_wayland_seat_handle_event (MetaWaylandSeat *seat,
void
meta_wayland_seat_repick (MetaWaylandSeat *seat)
{
if ((seat->capabilities & WL_SEAT_CAPABILITY_POINTER) == 0)
return;
meta_wayland_pointer_repick (&seat->pointer);
}
@ -357,6 +363,9 @@ void
meta_wayland_seat_set_input_focus (MetaWaylandSeat *seat,
MetaWaylandSurface *surface)
{
if ((seat->capabilities & WL_SEAT_CAPABILITY_KEYBOARD) == 0)
return;
meta_wayland_keyboard_set_focus (&seat->keyboard, surface);
meta_wayland_data_device_set_keyboard_focus (&seat->data_device);
}
@ -364,6 +373,9 @@ meta_wayland_seat_set_input_focus (MetaWaylandSeat *seat,
void
meta_wayland_seat_update_cursor_surface (MetaWaylandSeat *seat)
{
if ((seat->capabilities & WL_SEAT_CAPABILITY_POINTER) == 0)
return;
meta_wayland_pointer_update_cursor_surface (&seat->pointer);
}
@ -374,21 +386,29 @@ meta_wayland_seat_get_grab_info (MetaWaylandSeat *seat,
gfloat *x,
gfloat *y)
{
ClutterEventSequence *sequence;
ClutterEventSequence *sequence = NULL;
gboolean can_grab_surface = FALSE;
sequence = meta_wayland_touch_find_grab_sequence (&seat->touch, surface, serial);
if ((seat->capabilities & WL_SEAT_CAPABILITY_TOUCH) != 0)
sequence = meta_wayland_touch_find_grab_sequence (&seat->touch, surface, serial);
if (sequence)
meta_wayland_touch_get_press_coords (&seat->touch, sequence, x, y);
else if (meta_wayland_pointer_can_grab_surface (&seat->pointer, surface, serial))
{
if (x)
*x = seat->pointer.grab_x;
if (y)
*y = seat->pointer.grab_y;
meta_wayland_touch_get_press_coords (&seat->touch, sequence, x, y);
}
else
return FALSE;
{
if ((seat->capabilities & WL_SEAT_CAPABILITY_POINTER) != 0)
can_grab_surface = meta_wayland_pointer_can_grab_surface (&seat->pointer, surface, serial);
return TRUE;
if (can_grab_surface)
{
if (x)
*x = seat->pointer.grab_x;
if (y)
*y = seat->pointer.grab_y;
}
}
return sequence || can_grab_surface;
}