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input/pointer: only warp cursor when the confine region has changed 

Refs #5268.
This commit is contained in:
Tudor Brindus 2020-05-02 19:22:15 -04:00 committed by Simon Ser
parent 45e4e92172
commit 6f0a0bd385
3 changed files with 18 additions and 1 deletions
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1
include/sway/input/cursor.h
View File

@ -32,6 +32,7 @@ struct sway_cursor {
struct wlr_pointer_constraint_v1 *active_constraint;
pixman_region32_t confine; // invalid if active_constraint == NULL
bool active_confine_requires_warp;
struct wlr_pointer_gestures_v1 *pointer_gestures;
struct wl_listener pinch_begin;

1
include/sway/input/seat.h
View File

@ -111,6 +111,7 @@ struct sway_seat {
struct sway_pointer_constraint {
struct wlr_pointer_constraint_v1 *constraint;
struct wl_listener set_region;
struct wl_listener destroy;
};

17
sway/input/cursor.c
View File

@ -774,7 +774,9 @@ static void check_constraint_region(struct sway_cursor *cursor) {
struct wlr_pointer_constraint_v1 *constraint = cursor->active_constraint;
pixman_region32_t *region = &constraint->region;
struct sway_view *view = view_from_wlr_surface(constraint->surface);
if (view) {
if (cursor->active_confine_requires_warp && view) {
cursor->active_confine_requires_warp = false;
struct sway_container *con = view->container;
double sx = cursor->cursor->x - con->content_x + view->geometry.x;
@ -813,6 +815,13 @@ static void handle_constraint_commit(struct wl_listener *listener,
check_constraint_region(cursor);
}
static void handle_pointer_constraint_set_region(struct wl_listener *listener,
void *data) {
struct sway_cursor *cursor =
wl_container_of(listener, cursor, constraint_commit);
cursor->active_confine_requires_warp = true;
}
static void handle_request_pointer_set_cursor(struct wl_listener *listener,
void *data) {
struct sway_cursor *cursor =
@ -1224,6 +1233,7 @@ void handle_constraint_destroy(struct wl_listener *listener, void *data) {
struct sway_seat *seat = constraint->seat->data;
struct sway_cursor *cursor = seat->cursor;
wl_list_remove(&sway_constraint->set_region.link);
wl_list_remove(&sway_constraint->destroy.link);
if (cursor->active_constraint == constraint) {
@ -1247,6 +1257,9 @@ void handle_pointer_constraint(struct wl_listener *listener, void *data) {
calloc(1, sizeof(struct sway_pointer_constraint));
sway_constraint->constraint = constraint;
sway_constraint->set_region.notify = handle_pointer_constraint_set_region;
wl_signal_add(&constraint->events.set_region, &sway_constraint->set_region);
sway_constraint->destroy.notify = handle_constraint_destroy;
wl_signal_add(&constraint->events.destroy, &sway_constraint->destroy);
@ -1290,6 +1303,8 @@ void sway_cursor_constrain(struct sway_cursor *cursor,
return;
}
cursor->active_confine_requires_warp = true;
// FIXME: Big hack, stolen from wlr_pointer_constraints_v1.c:121.
// This is necessary because the focus may be set before the surface
// has finished committing, which means that warping won't work properly,