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Add cage clone mode

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The main window will be restricted to the smallest dimensions of all possible screens
This commit is contained in:
nerdopolis 2026-01-10 16:15:10 -05:00
parent dcd64ae48b
commit 02bbb4a94a
8 changed files with 101 additions and 11 deletions
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49
seat.c
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@ -626,6 +626,7 @@ process_cursor_motion(struct cg_seat *seat, uint32_t time_msec, double dx, doubl
struct wlr_surface *surface = NULL;
struct cg_view *view = desktop_view_at(seat->server, seat->cursor->x, seat->cursor->y, &surface, &sx, &sy);
if (!view) {
wlr_seat_pointer_clear_focus(wlr_seat);
} else {
@ -669,9 +670,23 @@ handle_cursor_motion_relative(struct wl_listener *listener, void *data)
{
struct cg_seat *seat = wl_container_of(listener, seat, cursor_motion_relative);
struct wlr_pointer_motion_event *event = data;
double delta_x = event->delta_x;
double delta_y = event->delta_y;
wlr_cursor_move(seat->cursor, &event->pointer->base, event->delta_x, event->delta_y);
process_cursor_motion(seat, event->time_msec, event->delta_x, event->delta_y, event->unaccel_dx,
if (seat->server->clone_mode) {
struct wlr_box confine_box = seat->clone_confine_box;
if (seat->cursor->x + delta_x >= confine_box.width) {
delta_x = confine_box.width - seat->cursor->x;
}
if (seat->cursor->y + delta_y >= confine_box.height) {
delta_y = confine_box.height - seat->cursor->y;
}
}
wlr_cursor_move(seat->cursor, &event->pointer->base, delta_x, delta_y);
process_cursor_motion(seat, event->time_msec, delta_x, delta_y, event->unaccel_dx,
event->unaccel_dy);
wlr_idle_notifier_v1_notify_activity(seat->server->idle, seat->seat);
}
@ -978,6 +993,34 @@ seat_center_cursor(struct cg_seat *seat)
{
/* Place the cursor in the center of the output layout. */
struct wlr_box layout_box;
wlr_output_layout_get_box(seat->server->output_layout, NULL, &layout_box);
if (seat->server->clone_mode) {
layout_box = seat->clone_confine_box;
} else {
wlr_output_layout_get_box(seat->server->output_layout, NULL, &layout_box);
}
wlr_cursor_warp(seat->cursor, NULL, layout_box.width / 2, layout_box.height / 2);
}
void
seat_get_clone_confines(struct cg_server *server, struct wlr_box *confine_box)
{
int width = 0;
int height = 0;
struct cg_output *output;
/* Get the smallest dimensions out of all the screens */
wl_list_for_each (output, &server->outputs, link) {
if (width == 0 || width > output->wlr_output->width) {
width = output->wlr_output->width;
}
if (height == 0 || height > output->wlr_output->height) {
height = output->wlr_output->height;
}
}
confine_box->x = 0;
confine_box->y = 0;
confine_box->width = width;
confine_box->height = height;
}