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Use wlroots scene-graph API

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Move xdg-shell and xwayland-shell surfaces to new API

Also render alt-tab on-screen-display by converting cairo-surface to
wlr_buffer
This commit is contained in:
Johan Malm 2022-02-11 23:12:45 +00:00
parent d2552232c7
commit 532656ad5b
16 changed files with 189 additions and 1465 deletions
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172
src/desktop.c
View file

@ -255,179 +255,23 @@ desktop_focus_topmost_mapped_view(struct server *server)
desktop_move_to_front(view);
}
static bool
_view_at(struct view *view, double lx, double ly, struct wlr_surface **surface,
double *sx, double *sy)
{
/*
* XDG toplevels may have nested surfaces, such as popup windows for
* context menus or tooltips. This function tests if any of those are
* underneath the coordinates lx and ly (in output Layout Coordinates).
* If so, it sets the surface pointer to that wlr_surface and the sx and
* sy coordinates to the coordinates relative to that surface's top-left
* corner.
*/
double view_sx = lx - view->x;
double view_sy = ly - view->y;
double _sx, _sy;
struct wlr_surface *_surface = NULL;
switch (view->type) {
case LAB_XDG_SHELL_VIEW:
_surface = wlr_xdg_surface_surface_at(
view->xdg_surface, view_sx, view_sy, &_sx, &_sy);
break;
#if HAVE_XWAYLAND
case LAB_XWAYLAND_VIEW:
_surface = wlr_surface_surface_at(view->surface, view_sx,
view_sy, &_sx, &_sy);
break;
#endif
}
if (_surface) {
*sx = _sx;
*sy = _sy;
*surface = _surface;
return true;
}
return false;
}
static struct
wlr_surface *layer_surface_at(struct wl_list *layer, double ox, double oy,
double *sx, double *sy)
{
struct lab_layer_surface *surface;
wl_list_for_each_reverse(surface, layer, link) {
double _sx = ox - surface->geo.x;
double _sy = oy - surface->geo.y;
struct wlr_surface *wlr_surface;
wlr_surface = wlr_layer_surface_v1_surface_at(
surface->layer_surface, _sx, _sy, sx, sy);
if (wlr_surface) {
return wlr_surface;
}
}
return NULL;
}
static bool
surface_is_xdg_popup(struct wlr_surface *surface)
{
if (wlr_surface_is_xdg_surface(surface)) {
struct wlr_xdg_surface *xdg_surface =
wlr_xdg_surface_from_wlr_surface(surface);
return xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP;
}
return false;
}
static struct wlr_surface *
layer_surface_popup_at(struct output *output, struct wl_list *layer,
double ox, double oy, double *sx, double *sy)
{
struct lab_layer_surface *lab_layer;
wl_list_for_each_reverse(lab_layer, layer, link) {
double _sx = ox - lab_layer->geo.x;
double _sy = oy - lab_layer->geo.y;
struct wlr_surface *sub = wlr_layer_surface_v1_surface_at(
lab_layer->layer_surface, _sx, _sy, sx, sy);
if (sub && surface_is_xdg_popup(sub)) {
return sub;
}
}
return NULL;
}
struct view *
desktop_surface_and_view_at(struct server *server, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy,
enum ssd_part_type *view_area)
{
struct wlr_output *wlr_output = wlr_output_layout_output_at(
server->output_layout, lx, ly);
struct output *output = output_from_wlr_output(server, wlr_output);
struct wlr_scene_node *node =
wlr_scene_node_at(&server->scene->node, lx, ly, sx, sy);
if (!output) {
if (!node || node->type != WLR_SCENE_NODE_SURFACE) {
return NULL;
}
double ox = lx, oy = ly;
wlr_output_layout_output_coords(output->server->output_layout,
wlr_output, &ox, &oy);
/* Overlay-layer */
*surface = layer_surface_at(
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
ox, oy, sx, sy);
if (*surface) {
return NULL;
*surface = wlr_scene_surface_from_node(node)->surface;
while (node && !node->data) {
node = node->parent;
}
/* Check all layer popups */
*surface = layer_surface_popup_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
ox, oy, sx, sy);
if (*surface) {
return NULL;
}
*surface = layer_surface_popup_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
ox, oy, sx, sy);
if (*surface) {
return NULL;
}
*surface = layer_surface_popup_at(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
ox, oy, sx, sy);
if (*surface) {
return NULL;
}
/* Top-layer */
*surface = layer_surface_at(
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
ox, oy, sx, sy);
if (*surface) {
return NULL;
}
struct view *view;
wl_list_for_each (view, &server->views, link) {
if (!view->mapped) {
continue;
}
/* This ignores server-side deco */
if (_view_at(view, lx, ly, surface, sx, sy)) {
*view_area = LAB_SSD_CLIENT;
return view;
}
if (!view->ssd.enabled) {
continue;
}
/* Now, let's deal with the server-side deco */
*view_area = ssd_at(view, lx, ly);
if (*view_area != LAB_SSD_NONE) {
return view;
}
}
*surface = layer_surface_at(
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
ox, oy, sx, sy);
if (*surface) {
return NULL;
}
*surface = layer_surface_at(
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
ox, oy, sx, sy);
if (*surface) {
return NULL;
}
return NULL;
assert(node);
return node->data;
}
struct view *