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add wlr_layer_surface_surface_at

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Adds wlr_layer_surface_surface_at, this is consistent with the other
shell implementations, and simplifies handling in compositors.
This commit is contained in:
Markus Ongyerth 2018-05-08 15:19:31 +02:00
parent 7c2241a556
commit 8931452e1d
3 changed files with 39 additions and 22 deletions
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8
include/wlr/types/wlr_layer_shell.h
View File

@ -113,4 +113,12 @@ struct wlr_layer_surface *wlr_layer_surface_from_wlr_surface(
void wlr_layer_surface_for_each_surface(struct wlr_layer_surface *surface,
wlr_surface_iterator_func_t iterator, void *user_data);
/**
* Find a surface within this layer-surface tree at the given surface-local
* coordinates. Returns the surface and coordinates in the leaf surface
* coordinate system or NULL if no surface is found at that location.
*/
struct wlr_surface *wlr_layer_surface_surface_at(
struct wlr_layer_surface *surface, double sx, double sy,
double *sub_x, double *sub_y);
#endif

31
rootston/desktop.c
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@ -641,30 +641,17 @@ static struct wlr_surface *layer_surface_at(struct roots_output *output,
struct wl_list *layer, double ox, double oy, double *sx, double *sy) {
struct roots_layer_surface *roots_surface;
wl_list_for_each_reverse(roots_surface, layer, link) {
struct wlr_surface *wlr_surface;
double _sx, _sy;
struct wlr_xdg_popup *popup;
wl_list_for_each(popup, &roots_surface->layer_surface->popups, link) {
wlr_surface = popup->base->surface;
_sx = ox - roots_surface->geo.x - popup->geometry.x;
_sy = oy - roots_surface->geo.y - popup->geometry.y;
if (wlr_surface_point_accepts_input(wlr_surface, _sx, _sy)) {
*sx = _sx;
*sy = _sy;
return wlr_surface;
}
// TODO: popups can have popups
}
// TODO: Test subsurfaces
wlr_surface = roots_surface->layer_surface->surface;
_sx = ox - roots_surface->geo.x;
_sy = oy - roots_surface->geo.y;
if (wlr_surface_point_accepts_input(wlr_surface, _sx, _sy)) {
*sx = _sx;
*sy = _sy;
return wlr_surface;
double _sx = ox - roots_surface->geo.x;
double _sy = oy - roots_surface->geo.y;
struct wlr_surface *sub = wlr_layer_surface_surface_at(
roots_surface->layer_surface, _sx, _sy, sx, sy);
if (sub) {
return sub;
}
}
return NULL;
}

22
types/wlr_layer_shell.c
View File

@ -531,3 +531,25 @@ void wlr_layer_surface_for_each_surface(struct wlr_layer_surface *surface,
wlr_surface_iterator_func_t iterator, void *user_data) {
layer_surface_for_each_surface(surface, 0, 0, iterator, user_data);
}
struct wlr_surface *wlr_layer_surface_surface_at(
struct wlr_layer_surface *surface, double sx, double sy,
double *sub_x, double *sub_y) {
struct wlr_xdg_popup *popup_state;
wl_list_for_each(popup_state, &surface->popups, link) {
struct wlr_xdg_surface *popup = popup_state->base;
double popup_sx = popup_state->geometry.x - popup->geometry.x;
double popup_sy = popup_state->geometry.y - popup->geometry.y;
struct wlr_surface *sub = wlr_xdg_surface_surface_at(popup,
sx - popup_sx,
sy - popup_sy,
sub_x, sub_y);
if (sub != NULL) {
return sub;
}
}
return wlr_surface_surface_at(surface->surface, sx, sy, sub_x, sub_y);
}