void
wlc_view_ack_surface_attach(struct wlc_view *view, struct wlc_surface *surface)
{
assert(view && surface);
if (view->x11.id) {
surface->pending.opaque.extents = (pixman_box32_t){ 0, 0, surface->size.w, surface->size.h };
view->surface_pending.visible = (struct wlc_geometry){ wlc_origin_zero, surface->size };
}
const bool resizing = (view->pending.state & WLC_BIT_RESIZING || view->commit.state & WLC_BIT_RESIZING);
if (!resizing && !wlc_geometry_equals(&view->surface_pending.visible, &view->surface_commit.visible)) {
struct wlc_geometry g = (struct wlc_geometry){ view->pending.geometry.origin, view->surface_pending.visible.size };
wlc_view_request_geometry(view, &g);
}
view->surface_commit = view->surface_pending;
wlc_dlog(WLC_DBG_COMMIT, "=> surface view %" PRIuWLC, convert_to_wlc_handle(view));
}
static bool
should_be_transformed_by_parent(struct wlc_view *view)
{
return !(view->type & WLC_BIT_OVERRIDE_REDIRECT) && !(view->type & WLC_BIT_UNMANAGED);
}
void
wlc_view_get_bounds(struct wlc_view *view, struct wlc_geometry *out_bounds, struct wlc_geometry *out_visible)
{
assert(view && out_bounds && out_bounds != out_visible);
memcpy(out_bounds, &view->commit.geometry, sizeof(struct wlc_geometry));
struct wlc_surface *surface;
if (!(surface = convert_from_wlc_resource(view->surface, "surface")))
return;
if (should_be_transformed_by_parent(view)) {
for (struct wlc_view *parent = convert_from_wlc_handle(view->parent, "view"); parent; parent = convert_from_wlc_handle(parent->parent, "view")) {
out_bounds->origin.x += parent->commit.geometry.origin.x;
out_bounds->origin.y += parent->commit.geometry.origin.y;
}
}
if (view->xdg_surface && view->surface_commit.visible.size.w > 0 && view->surface_commit.visible.size.h > 0) {
// xdg-surface client that draws drop shadows or other stuff.
out_bounds->origin.x -= view->surface_commit.visible.origin.x;
out_bounds->origin.y -= view->surface_commit.visible.origin.y;
out_bounds->size.w += surface->size.w - view->surface_commit.visible.size.w;
out_bounds->size.h += surface->size.h - view->surface_commit.visible.size.h;
}
// Make sure bounds is never 0x0 w/h
wlc_size_max(&out_bounds->size, &(struct wlc_size){ 1, 1 }, &out_bounds->size);
void
wlc_view_ack_surface_attach(struct wlc_view *view, struct wlc_surface *surface)
{
assert(view && surface);
if (is_x11_view(view)) {
surface->pending.opaque.extents = (pixman_box32_t){ 0, 0, surface->size.w, surface->size.h };
view->surface_pending.visible = (struct wlc_geometry){ wlc_point_zero, surface->size };
}
const bool resizing = (view->pending.state & WLC_BIT_RESIZING || view->commit.state & WLC_BIT_RESIZING);
if (!resizing && !wlc_geometry_equals(&view->surface_pending.visible, &view->surface_commit.visible)) {
struct wlc_geometry g = (struct wlc_geometry){ view->pending.geometry.origin, view->surface_pending.visible.size };
wlc_view_request_geometry(view, &g);
}
view->surface_commit = view->surface_pending;
}
void
wlc_view_get_bounds(struct wlc_view *view, struct wlc_geometry *out_bounds, struct wlc_geometry *out_visible)
{
assert(view && out_bounds && out_bounds != out_visible);
memcpy(out_bounds, &view->commit.geometry, sizeof(struct wlc_geometry));
struct wlc_surface *surface;
if (!(surface = convert_from_wlc_resource(view->surface, "surface")))
return;
if (view->xdg_surface && !wlc_size_equals(&view->surface_commit.visible.size, &wlc_size_zero)) {
// xdg-surface client that draws drop shadows or other stuff.
struct wlc_geometry v = view->surface_commit.visible;
v.origin.x = chck_clamp32(v.origin.x, 0, surface->size.w);
v.origin.y = chck_clamp32(v.origin.y, 0, surface->size.h);
v.size.w = chck_clampu32(surface->size.w - v.size.w, 0, surface->size.w);
v.size.h = chck_clampu32(surface->size.h - v.size.h, 0, surface->size.h);
assert(surface->size.w > 0 && surface->size.h > 0);
const float wa = (float)out_bounds->size.w / surface->size.w, ha = (float)out_bounds->size.h / surface->size.h;
out_bounds->origin.x -= v.origin.x * wa;
out_bounds->origin.y -= v.origin.y * ha;
out_bounds->size.w += v.size.w * wa;
out_bounds->size.h += v.size.h * ha;
}
// Make sure bounds is never 0x0 w/h
wlc_size_max(&out_bounds->size, &(struct wlc_size){ 1, 1 }, &out_bounds->size);
if (!out_visible)
return;
// Actual visible area of the view
// The idea is to draw black borders to the bounds area, while centering the visible area.
if ((is_x11_view(view) || view->shell_surface) && !wlc_size_equals(&surface->size, &out_bounds->size)) {
out_visible->size = surface->size;
// Scale visible area retaining aspect
assert(surface->size.w > 0 && surface->size.h > 0);
const float ba = (float)out_bounds->size.w / (float)out_bounds->size.h;
const float sa = (float)surface->size.w / (float)surface->size.h;
if (ba < sa) {
out_visible->size.w *= (float)out_bounds->size.w / surface->size.w;
out_visible->size.h *= (float)out_bounds->size.w / surface->size.w;
} else {
out_visible->size.w *= (float)out_bounds->size.h / surface->size.h;
out_visible->size.h *= (float)out_bounds->size.h / surface->size.h;
}
// Center visible area
out_visible->origin.x = out_bounds->origin.x + out_bounds->size.w * 0.5 - out_visible->size.w * 0.5;
out_visible->origin.y = out_bounds->origin.y + out_bounds->size.h * 0.5 - out_visible->size.h * 0.5;
// Make sure visible is never 0x0 w/h
out_visible->size.w = chck_maxu32(out_visible->size.w, 1);
out_visible->size.h = chck_maxu32(out_visible->size.h, 1);
} else {
// For non wl_shell or x11 surfaces, just memcpy
memcpy(out_visible, out_bounds, sizeof(struct wlc_geometry));
}
}
