static void
view_paint(struct ctx *context, struct wlc_view *view)
{
assert(context && view);
struct wlc_surface *surface;
if (!(surface = convert_from_wlc_resource(view->surface, "surface")))
return;
struct paint settings;
memset(&settings, 0, sizeof(settings));
settings.dim = ((view->commit.state & WLC_BIT_ACTIVATED) || (view->type & (WLC_BIT_UNMANAGED|WLC_BIT_SPLASH|WLC_BIT_OVERRIDE_REDIRECT)) ? 1.0f : DIM);
settings.program = (enum program_type)surface->format;
struct wlc_geometry geometry;
wlc_view_get_bounds(view, &geometry, &settings.visible);
surface_paint_internal(context, surface, &geometry, &settings);
if (DRAW_OPAQUE) {
wlc_view_get_opaque(view, &geometry);
settings.visible = geometry;
settings.program = PROGRAM_CURSOR;
GL_CALL(glBlendFunc(GL_ONE, GL_DST_COLOR));
texture_paint(context, &context->textures[TEXTURE_BLACK], 1, &geometry, &settings);
GL_CALL(glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA));
}
}
void
wlc_view_get_bounds(struct wlc_view *view, struct wlc_geometry *out_bounds, struct wlc_geometry *out_visible)
{
assert(view && out_bounds);
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->commit.visible.size.w > 0 && view->commit.visible.size.h > 0) {
// xdg-surface client that draws drop shadows or other stuff.
// Only obey visible hints when not maximized or fullscreen.
if (!(view->commit.state & WLC_BIT_MAXIMIZED) && !(view->commit.state & WLC_BIT_FULLSCREEN)) {
out_bounds->origin.x -= view->commit.visible.origin.x;
out_bounds->origin.y -= view->commit.visible.origin.y;
// Make sure size is at least what we want, but may be bigger (shadows etc...)
out_bounds->size.w = chck_maxu32(surface->size.w, view->commit.geometry.size.w);
out_bounds->size.h = chck_maxu32(surface->size.h, view->commit.geometry.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_get_input(struct wlc_view *view, struct wlc_geometry *out_input)
{
assert(view && out_input);
struct wlc_geometry b, v;
wlc_view_get_bounds(view, &b, &v);
wlc_surface_get_input(convert_from_wlc_resource(view->surface, "surface"), &v.origin, out_input);
}
struct wlc_output*
wlc_view_get_output_ptr(struct wlc_view *view)
{
struct wlc_surface *surface;
if (!view || !(surface = convert_from_wlc_resource(view->surface, "surface")))
return NULL;
return convert_from_wlc_handle(surface->output, "output");
}
bool
wlc_view_get_opaque(struct wlc_view *view, struct wlc_geometry *out_opaque)
{
assert(view && out_opaque);
struct wlc_geometry b, v;
wlc_view_get_bounds(view, &b, &v);
return wlc_surface_get_opaque(convert_from_wlc_resource(view->surface, "surface"), &v.origin, out_opaque);
}
static void
surface_tree_update_coordinate_transform(struct wlc_surface *surface, const struct wlc_geometry *area)
{
assert(surface && area);
surface_update_coordinate_transform(surface, area);
wlc_resource *s;
chck_iter_pool_for_each(&surface->subsurface_list, s)
surface_update_coordinate_transform(convert_from_wlc_resource(*s, "surface"), area);
}
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);
static void
wl_cb_shell_surface_pong(struct wl_client *client, struct wl_resource *resource, uint32_t serial)
{
(void)client, (void)serial;
struct wlc_view *view;
struct wlc_surface *surface;
if (!(view = convert_from_wlc_handle((wlc_handle)wl_resource_get_user_data(resource), "view")) ||
!(surface = convert_from_wlc_resource(view->surface, "surface")))
return;
STUBL(resource);
}
void
wlc_buffer_release(struct wlc_buffer *buffer)
{
struct wlc_surface *surface;
if ((surface = convert_from_wlc_resource(buffer->surface, "surface"))) {
if (surface->commit.buffer == convert_to_wlc_resource(buffer))
surface->commit.buffer = 0;
if (surface->pending.buffer == convert_to_wlc_resource(buffer))
surface->pending.buffer = 0;
}
struct wl_resource *resource;
if ((resource = convert_to_wl_resource(buffer, "buffer"))) {
wlc_resource_invalidate(convert_to_wlc_resource(buffer));
wl_resource_queue_event(resource, WL_BUFFER_RELEASE);
}
}
void
wlc_view_set_surface(struct wlc_view *view, struct wlc_surface *surface)
{
if (!view || view->surface == convert_to_wlc_resource(surface))
return;
wlc_handle old = view->surface;
view->surface = convert_to_wlc_resource(surface);
wlc_surface_attach_to_view(convert_from_wlc_resource(old, "surface"), NULL);
wlc_surface_attach_to_view(surface, view);
if (surface && surface->commit.attached) {
wlc_view_map(view);
} else {
wlc_view_unmap(view);
}
wlc_dlog(WLC_DBG_RENDER, "-> Linked surface (%" PRIuWLC ") to view (%" PRIuWLC ")", convert_to_wlc_resource(surface), convert_to_wlc_handle(view));
}
void
wlc_view_release(struct wlc_view *view)
{
if (!view)
return;
wlc_view_unmap(view);
wlc_view_set_parent_ptr(view, NULL);
wlc_resource_release(view->shell_surface);
wlc_resource_release(view->xdg_surface);
wlc_resource_release(view->xdg_popup);
chck_string_release(&view->data.title);
chck_string_release(&view->data._class);
chck_string_release(&view->data.app_id);
wlc_surface_attach_to_view(convert_from_wlc_resource(view->surface, "surface"), NULL);
chck_iter_pool_release(&view->wl_state);
}
void
wlc_view_commit_state(struct wlc_view *view, struct wlc_view_state *pending, struct wlc_view_state *out)
{
struct wlc_surface *surface;
if (!(surface = convert_from_wlc_resource(view->surface, "surface")))
return;
// FIXME: handle ping
#if 0
struct wl_resource *r;
if (view->shell_surface && (r = wl_resource_from_wlc_resource(view->shell_surface, "shell-surface")))
wl_shell_surface_send_ping(r, wl_display_next_serial(wlc_display()));
wlc_dlog(WLC_DBG_COMMIT, "=> ping view %zu", convert_to_wlc_handle(view));
return;
#endif
if (!view->state.created) {
// Initial size of the view
view->pending.geometry.size = surface->size;
view->state.created = true;
if (WLC_INTERFACE_EMIT_EXCEPT(view.created, false, convert_to_wlc_handle(view))) {
wlc_view_close_ptr(view);
return;
}
}
if (!memcmp(pending, out, sizeof(struct wlc_view_state)))
return;
if (pending->state != out->state) {
const struct {
uint32_t bit;
uint32_t state;
} map[] = {
{ WLC_BIT_MAXIMIZED, XDG_SURFACE_STATE_MAXIMIZED },
{ WLC_BIT_FULLSCREEN, XDG_SURFACE_STATE_FULLSCREEN },
{ WLC_BIT_RESIZING, XDG_SURFACE_STATE_RESIZING },
{ WLC_BIT_ACTIVATED, XDG_SURFACE_STATE_ACTIVATED },
{ 0, 0 },
};
chck_iter_pool_flush(&view->wl_state);
for (uint32_t i = 0; map[i].state != 0; ++i) {
if (pending->state & map[i].bit)
chck_iter_pool_push_back(&view->wl_state, &map[i].state);
}
}
const bool size_changed = (!wlc_size_equals(&pending->geometry.size, &out->geometry.size) || !wlc_size_equals(&pending->geometry.size, &surface->size));
wlc_dlog(WLC_DBG_COMMIT, "=> pending commit %zu (%d) pending: %ux%u commited: %ux%u surface: %ux%u", convert_to_wlc_handle(view), size_changed, pending->geometry.size.w, pending->geometry.size.h, out->geometry.size.w, out->geometry.size.h, surface->size.w, surface->size.h);
if (pending->state != out->state || size_changed) {
struct wl_resource *r;
if (view->xdg_surface && (r = wl_resource_from_wlc_resource(view->xdg_surface, "xdg-surface"))) {
const uint32_t serial = wl_display_next_serial(wlc_display());
struct wl_array states = { .size = view->wl_state.items.used, .alloc = view->wl_state.items.allocated, .data = view->wl_state.items.buffer };
xdg_surface_send_configure(r, pending->geometry.size.w, pending->geometry.size.h, &states, serial);
} else if (view->shell_surface && (r = wl_resource_from_wlc_resource(view->shell_surface, "shell-surface"))) {
wl_shell_surface_send_configure(r, pending->edges, pending->geometry.size.w, pending->geometry.size.h);
}
}
if (view->x11.id) {
if (!wlc_origin_equals(&pending->geometry.origin, &out->geometry.origin))
wlc_x11_window_position(&view->x11, pending->geometry.origin.x, pending->geometry.origin.y);
if (size_changed)
wlc_x11_window_resize(&view->x11, pending->geometry.size.w, pending->geometry.size.h);
}
memcpy(out, pending, sizeof(struct wlc_view_state));
wlc_dlog(WLC_DBG_COMMIT, "=> commit %zu", convert_to_wlc_handle(view));
}
void
wlc_view_commit_state(struct wlc_view *view, struct wlc_view_state *pending, struct wlc_view_state *out)
{
assert(view && pending && out);
struct wlc_surface *surface;
if (!(surface = convert_from_wlc_resource(view->surface, "surface")))
return;
// FIXME: handle ping
#if 0
struct wl_resource *r;
if (view->shell_surface && (r = wl_resource_from_wlc_resource(view->shell_surface, "shell-surface")))
wl_shell_surface_send_ping(r, wl_display_next_serial(wlc_display()));
wlc_dlog(WLC_DBG_COMMIT, "=> ping view %" PRIuWLC, convert_to_wlc_handle(view));
return;
#endif
if (!view->state.created) {
// Initial size of the view
view->pending.geometry.size = surface->size;
view->state.created = true;
if (WLC_INTERFACE_EMIT_EXCEPT(view.created, false, convert_to_wlc_handle(view))) {
wlc_view_close_ptr(view);
return;
}
}
if (!memcmp(pending, out, sizeof(struct wlc_view_state)))
return;
if (pending->state != out->state) {
const struct {
enum wlc_view_state_bit bit;
uint32_t state;
} map[] = {
{ WLC_BIT_MAXIMIZED, XDG_SURFACE_STATE_MAXIMIZED },
{ WLC_BIT_FULLSCREEN, XDG_SURFACE_STATE_FULLSCREEN },
{ WLC_BIT_RESIZING, XDG_SURFACE_STATE_RESIZING },
{ WLC_BIT_ACTIVATED, XDG_SURFACE_STATE_ACTIVATED },
};
chck_iter_pool_flush(&view->wl_state);
for (uint32_t i = 0; i < LENGTH(map); ++i) {
if (pending->state & map[i].bit)
chck_iter_pool_push_back(&view->wl_state, &map[i].state);
}
}
const bool size_changed = (!wlc_size_equals(&pending->geometry.size, &out->geometry.size) || !wlc_size_equals(&pending->geometry.size, &surface->size));
wlc_dlog(WLC_DBG_COMMIT, "=> pending view commit %" PRIuWLC " (%d) pending: %ux%u commited: %ux%u surface: %ux%u", convert_to_wlc_handle(view), size_changed, pending->geometry.size.w, pending->geometry.size.h, out->geometry.size.w, out->geometry.size.h, surface->size.w, surface->size.h);
if (pending->state != out->state || size_changed)
configure_view(view, pending->edges, &pending->geometry);
*out = *pending;
wlc_dlog(WLC_DBG_COMMIT, "=> commit view %" PRIuWLC, convert_to_wlc_handle(view));
}
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));
}
}
