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backends/native: Make seat constrain pointer to monitors out of the box

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It does access the MetaMonitorManager directly ATM.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486
This commit is contained in:
Carlos Garnacho 2020-06-05 12:44:12 +02:00 committed by Jonas Ådahl
parent 27ef073432
commit 90df3c6fa3
2 changed files with 65 additions and 74 deletions
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66
src/backends/native/meta-backend-native.c
View File

@ -124,60 +124,6 @@ constrain_to_client_constraint (ClutterInputDevice *device,
time, prev_x, prev_y, x, y);
}
/*
* The pointer constrain code is mostly a rip-off of the XRandR code from Xorg.
* (from xserver/randr/rrcrtc.c, RRConstrainCursorHarder)
*
* Copyright © 2006 Keith Packard
* Copyright 2010 Red Hat, Inc
*
*/
static void
constrain_all_screen_monitors (ClutterInputDevice *device,
MetaMonitorManager *monitor_manager,
float *x,
float *y)
{
graphene_point_t current;
float cx, cy;
GList *logical_monitors, *l;
clutter_input_device_get_coords (device, NULL, &current);
cx = current.x;
cy = current.y;
/* if we're trying to escape, clamp to the CRTC we're coming from */
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager);
for (l = logical_monitors; l; l = l->next)
{
MetaLogicalMonitor *logical_monitor = l->data;
int left, right, top, bottom;
left = logical_monitor->rect.x;
right = left + logical_monitor->rect.width;
top = logical_monitor->rect.y;
bottom = top + logical_monitor->rect.height;
if ((cx >= left) && (cx < right) && (cy >= top) && (cy < bottom))
{
if (*x < left)
*x = left;
if (*x >= right)
*x = right - 1;
if (*y < top)
*y = top;
if (*y >= bottom)
*y = bottom - 1;
return;
}
}
}
static void
pointer_constrain_callback (ClutterInputDevice *device,
guint32 time,
@ -187,20 +133,8 @@ pointer_constrain_callback (ClutterInputDevice *device,
float *new_y,
gpointer user_data)
{
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
/* Constrain to pointer lock */
constrain_to_client_constraint (device, time, prev_x, prev_y, new_x, new_y);
/* if we're moving inside a monitor, we're fine */
if (meta_monitor_manager_get_logical_monitor_at (monitor_manager,
*new_x, *new_y))
return;
/* if we're trying to escape, clamp to the CRTC we're coming from */
constrain_all_screen_monitors (device, monitor_manager, new_x, new_y);
}
static void

73
src/backends/native/meta-seat-native.c
View File

@ -904,6 +904,60 @@ constrain_to_barriers (MetaSeatNative *seat,
new_x, new_y);
}
/*
* The pointer constrain code is mostly a rip-off of the XRandR code from Xorg.
* (from xserver/randr/rrcrtc.c, RRConstrainCursorHarder)
*
* Copyright © 2006 Keith Packard
* Copyright 2010 Red Hat, Inc
*
*/
static void
constrain_all_screen_monitors (ClutterInputDevice *device,
MetaMonitorManager *monitor_manager,
float *x,
float *y)
{
graphene_point_t current;
float cx, cy;
GList *logical_monitors, *l;
clutter_input_device_get_coords (device, NULL, &current);
cx = current.x;
cy = current.y;
/* if we're trying to escape, clamp to the CRTC we're coming from */
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager);
for (l = logical_monitors; l; l = l->next)
{
MetaLogicalMonitor *logical_monitor = l->data;
int left, right, top, bottom;
left = logical_monitor->rect.x;
right = left + logical_monitor->rect.width;
top = logical_monitor->rect.y;
bottom = top + logical_monitor->rect.height;
if ((cx >= left) && (cx < right) && (cy >= top) && (cy < bottom))
{
if (*x < left)
*x = left;
if (*x >= right)
*x = right - 1;
if (*y < top)
*y = top;
if (*y >= bottom)
*y = bottom - 1;
return;
}
}
}
void
meta_seat_native_constrain_pointer (MetaSeatNative *seat,
ClutterInputDevice *core_pointer,
@ -913,6 +967,10 @@ meta_seat_native_constrain_pointer (MetaSeatNative *seat,
float *new_x,
float *new_y)
{
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
constrain_to_barriers (seat, core_pointer,
us2ms (time_us),
new_x, new_y);
@ -925,15 +983,14 @@ meta_seat_native_constrain_pointer (MetaSeatNative *seat,
new_x, new_y,
seat->constrain_data);
}
else
{
ClutterActor *stage = CLUTTER_ACTOR (meta_seat_native_get_stage (seat));
float stage_width = clutter_actor_get_width (stage);
float stage_height = clutter_actor_get_height (stage);
*new_x = CLAMP (*new_x, 0.f, stage_width - 1);
*new_y = CLAMP (*new_y, 0.f, stage_height - 1);
}
/* if we're moving inside a monitor, we're fine */
if (meta_monitor_manager_get_logical_monitor_at (monitor_manager,
*new_x, *new_y))
return;
/* if we're trying to escape, clamp to the CRTC we're coming from */
constrain_all_screen_monitors (core_pointer, monitor_manager, new_x, new_y);
}
void