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backends/native: Move relative motion filter to MetaSeatNative altogether

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And drop the relative motion filter API. The seat will handle relative motion
across outputs with different scales. This accesses the MetaMonitorManager
ATM.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486
This commit is contained in:
Carlos Garnacho 2020-06-05 12:54:51 +02:00 committed by Jonas Ådahl
parent 90df3c6fa3
commit 3c8376ad91
3 changed files with 104 additions and 144 deletions
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117
src/backends/native/meta-backend-native.c
View File

@ -137,120 +137,6 @@ pointer_constrain_callback (ClutterInputDevice *device,
constrain_to_client_constraint (device, time, prev_x, prev_y, new_x, new_y);
}
static void
relative_motion_across_outputs (MetaMonitorManager *monitor_manager,
MetaLogicalMonitor *current,
float cur_x,
float cur_y,
float *dx_inout,
float *dy_inout)
{
MetaLogicalMonitor *cur = current;
float x = cur_x, y = cur_y;
float target_x = cur_x, target_y = cur_y;
float dx = *dx_inout, dy = *dy_inout;
MetaDisplayDirection direction = -1;
while (cur)
{
MetaLine2 left, right, top, bottom, motion;
MetaVector2 intersection;
motion = (MetaLine2) {
.a = { x, y },
.b = { x + (dx * cur->scale), y + (dy * cur->scale) }
};
left = (MetaLine2) {
{ cur->rect.x, cur->rect.y },
{ cur->rect.x, cur->rect.y + cur->rect.height }
};
right = (MetaLine2) {
{ cur->rect.x + cur->rect.width, cur->rect.y },
{ cur->rect.x + cur->rect.width, cur->rect.y + cur->rect.height }
};
top = (MetaLine2) {
{ cur->rect.x, cur->rect.y },
{ cur->rect.x + cur->rect.width, cur->rect.y }
};
bottom = (MetaLine2) {
{ cur->rect.x, cur->rect.y + cur->rect.height },
{ cur->rect.x + cur->rect.width, cur->rect.y + cur->rect.height }
};
target_x = motion.b.x;
target_y = motion.b.y;
if (direction != META_DISPLAY_RIGHT &&
meta_line2_intersects_with (&motion, &left, &intersection))
direction = META_DISPLAY_LEFT;
else if (direction != META_DISPLAY_LEFT &&
meta_line2_intersects_with (&motion, &right, &intersection))
direction = META_DISPLAY_RIGHT;
else if (direction != META_DISPLAY_DOWN &&
meta_line2_intersects_with (&motion, &top, &intersection))
direction = META_DISPLAY_UP;
else if (direction != META_DISPLAY_UP &&
meta_line2_intersects_with (&motion, &bottom, &intersection))
direction = META_DISPLAY_DOWN;
else
/* We reached the dest logical monitor */
break;
x = intersection.x;
y = intersection.y;
dx -= intersection.x - motion.a.x;
dy -= intersection.y - motion.a.y;
cur = meta_monitor_manager_get_logical_monitor_neighbor (monitor_manager,
cur, direction);
}
*dx_inout = target_x - cur_x;
*dy_inout = target_y - cur_y;
}
static void
relative_motion_filter (ClutterInputDevice *device,
float x,
float y,
float *dx,
float *dy,
gpointer user_data)
{
MetaMonitorManager *monitor_manager = user_data;
MetaLogicalMonitor *logical_monitor, *dest_logical_monitor;
float new_dx, new_dy;
if (meta_is_stage_views_scaled ())
return;
logical_monitor = meta_monitor_manager_get_logical_monitor_at (monitor_manager,
x, y);
if (!logical_monitor)
return;
new_dx = (*dx) * logical_monitor->scale;
new_dy = (*dy) * logical_monitor->scale;
dest_logical_monitor = meta_monitor_manager_get_logical_monitor_at (monitor_manager,
x + new_dx,
y + new_dy);
if (dest_logical_monitor &&
dest_logical_monitor != logical_monitor)
{
/* If we are crossing monitors, attempt to bisect the distance on each
* axis and apply the relative scale for each of them.
*/
new_dx = *dx;
new_dy = *dy;
relative_motion_across_outputs (monitor_manager, logical_monitor,
x, y, &new_dx, &new_dy);
}
*dx = new_dx;
*dy = new_dy;
}
static ClutterBackend *
meta_backend_native_create_clutter_backend (MetaBackend *backend)
{
@ -302,9 +188,6 @@ meta_backend_native_post_init (MetaBackend *backend)
meta_seat_native_set_pointer_constrain_callback (META_SEAT_NATIVE (seat),
pointer_constrain_callback,
NULL, NULL);
meta_seat_native_set_relative_motion_filter (META_SEAT_NATIVE (seat),
relative_motion_filter,
meta_backend_get_monitor_manager (backend));
META_BACKEND_CLASS (meta_backend_native_parent_class)->post_init (backend);

118
src/backends/native/meta-seat-native.c
View File

@ -993,6 +993,78 @@ meta_seat_native_constrain_pointer (MetaSeatNative *seat,
constrain_all_screen_monitors (core_pointer, monitor_manager, new_x, new_y);
}
static void
relative_motion_across_outputs (MetaMonitorManager *monitor_manager,
MetaLogicalMonitor *current,
float cur_x,
float cur_y,
float *dx_inout,
float *dy_inout)
{
MetaLogicalMonitor *cur = current;
float x = cur_x, y = cur_y;
float target_x = cur_x, target_y = cur_y;
float dx = *dx_inout, dy = *dy_inout;
MetaDisplayDirection direction = -1;
while (cur)
{
MetaLine2 left, right, top, bottom, motion;
MetaVector2 intersection;
motion = (MetaLine2) {
.a = { x, y },
.b = { x + (dx * cur->scale), y + (dy * cur->scale) }
};
left = (MetaLine2) {
{ cur->rect.x, cur->rect.y },
{ cur->rect.x, cur->rect.y + cur->rect.height }
};
right = (MetaLine2) {
{ cur->rect.x + cur->rect.width, cur->rect.y },
{ cur->rect.x + cur->rect.width, cur->rect.y + cur->rect.height }
};
top = (MetaLine2) {
{ cur->rect.x, cur->rect.y },
{ cur->rect.x + cur->rect.width, cur->rect.y }
};
bottom = (MetaLine2) {
{ cur->rect.x, cur->rect.y + cur->rect.height },
{ cur->rect.x + cur->rect.width, cur->rect.y + cur->rect.height }
};
target_x = motion.b.x;
target_y = motion.b.y;
if (direction != META_DISPLAY_RIGHT &&
meta_line2_intersects_with (&motion, &left, &intersection))
direction = META_DISPLAY_LEFT;
else if (direction != META_DISPLAY_LEFT &&
meta_line2_intersects_with (&motion, &right, &intersection))
direction = META_DISPLAY_RIGHT;
else if (direction != META_DISPLAY_DOWN &&
meta_line2_intersects_with (&motion, &top, &intersection))
direction = META_DISPLAY_UP;
else if (direction != META_DISPLAY_UP &&
meta_line2_intersects_with (&motion, &bottom, &intersection))
direction = META_DISPLAY_DOWN;
else
/* We reached the dest logical monitor */
break;
x = intersection.x;
y = intersection.y;
dx -= intersection.x - motion.a.x;
dy -= intersection.y - motion.a.y;
cur = meta_monitor_manager_get_logical_monitor_neighbor (monitor_manager,
cur, direction);
}
*dx_inout = target_x - cur_x;
*dy_inout = target_y - cur_y;
}
void
meta_seat_native_filter_relative_motion (MetaSeatNative *seat,
ClutterInputDevice *device,
@ -1001,11 +1073,40 @@ meta_seat_native_filter_relative_motion (MetaSeatNative *seat,
float *dx,
float *dy)
{
if (!seat->relative_motion_filter)
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaLogicalMonitor *logical_monitor, *dest_logical_monitor;
float new_dx, new_dy;
if (meta_is_stage_views_scaled ())
return;
seat->relative_motion_filter (device, x, y, dx, dy,
seat->relative_motion_filter_user_data);
logical_monitor = meta_monitor_manager_get_logical_monitor_at (monitor_manager,
x, y);
if (!logical_monitor)
return;
new_dx = (*dx) * logical_monitor->scale;
new_dy = (*dy) * logical_monitor->scale;
dest_logical_monitor = meta_monitor_manager_get_logical_monitor_at (monitor_manager,
x + new_dx,
y + new_dy);
if (dest_logical_monitor &&
dest_logical_monitor != logical_monitor)
{
/* If we are crossing monitors, attempt to bisect the distance on each
* axis and apply the relative scale for each of them.
*/
new_dx = *dx;
new_dy = *dy;
relative_motion_across_outputs (monitor_manager, logical_monitor,
x, y, &new_dx, &new_dy);
}
*dx = new_dx;
*dy = new_dy;
}
static void
@ -3050,17 +3151,6 @@ meta_seat_native_set_pointer_constrain_callback (MetaSeatNative *s
seat->constrain_data_notify = user_data_notify;
}
void
meta_seat_native_set_relative_motion_filter (MetaSeatNative *seat,
MetaRelativeMotionFilter filter,
gpointer user_data)
{
g_return_if_fail (META_IS_SEAT_NATIVE (seat));
seat->relative_motion_filter = filter;
seat->relative_motion_filter_user_data = user_data;
}
void
meta_seat_native_update_xkb_state (MetaSeatNative *seat)
{

13
src/backends/native/meta-seat-native.h
View File

@ -59,12 +59,6 @@ typedef void (* MetaPointerConstrainCallback) (ClutterInputDevice *device,
float *x,
float *y,
gpointer user_data);
typedef void (* MetaRelativeMotionFilter) (ClutterInputDevice *device,
float x,
float y,
float *dx,
float *dy,
gpointer user_data);
struct _MetaTouchState
{
@ -115,9 +109,6 @@ struct _MetaSeatNative
gpointer constrain_data;
GDestroyNotify constrain_data_notify;
MetaRelativeMotionFilter relative_motion_filter;
gpointer relative_motion_filter_user_data;
MetaKeymapNative *keymap;
GUdevClient *udev_client;
@ -270,10 +261,6 @@ void meta_seat_native_set_pointer_constrain_callback (MetaSeatNative
gpointer user_data,
GDestroyNotify user_data_notify);
void meta_seat_native_set_relative_motion_filter (MetaSeatNative *seat,
MetaRelativeMotionFilter filter,
gpointer user_data);
struct xkb_state * meta_seat_native_get_xkb_state (MetaSeatNative *seat);
void meta_seat_native_set_keyboard_map (MetaSeatNative *seat,