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view: add view_has_children to query if a view has children

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This allows us to check per-view whether is has dialogs open, instead of
diong it on a global basis as we are doing currently. This is necessary
for fully supporting multiple primary clients.
This commit is contained in:
Jente Hidskes 2019-01-12 17:51:17 +01:00
parent 112a662ebc
commit b0bd4e680d
4 changed files with 28 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

12
view.c
View file

@ -68,6 +68,18 @@ view_is_primary(struct cg_view *view)
return view->is_primary(view);
}
bool
view_has_children(struct cg_server *server, struct cg_view *parent)
{
struct cg_view *child;
wl_list_for_each(child, &server->views, link) {
if (parent != child && parent->is_parent(parent, child)) {
return true;
}
}
return false;
}
void
view_position(struct cg_view *view)
{

2
view.h
View file

@ -49,6 +49,7 @@ struct cg_view {
struct wlr_surface *(*wlr_surface_at)(struct cg_view *view, double sx, double sy,
double *sub_x, double *sub_y);
bool (*is_primary)(struct cg_view *view);
bool (*is_parent)(struct cg_view *parent, struct cg_view *child);
};
void view_activate(struct cg_view *view, bool activate);
@ -56,6 +57,7 @@ void view_for_each_surface(struct cg_view *view, wlr_surface_iterator_func_t ite
struct wlr_surface *view_wlr_surface_at(struct cg_view *view, double sx, double sy,
double *sub_x, double *sub_y);
bool view_is_primary(struct cg_view *view);
bool view_has_children(struct cg_server *server, struct cg_view *view);
void view_position(struct cg_view *view);
void view_unmap(struct cg_view *view);
void view_map(struct cg_view *view, struct wlr_surface *surface);

7
xdg_shell.c
View file

@ -58,6 +58,12 @@ is_primary(struct cg_view *view)
return parent == NULL; /*&& role == WLR_XDG_SURFACE_ROLE_TOPLEVEL */
}
static bool
is_parent(struct cg_view *parent, struct cg_view *child)
{
return child->xdg_surface->toplevel->parent == parent->xdg_surface;
}
static void
handle_xdg_shell_surface_unmap(struct wl_listener *listener, void *data)
{
@ -106,4 +112,5 @@ handle_xdg_shell_surface_new(struct wl_listener *listener, void *data)
view->for_each_surface = for_each_surface;
view->wlr_surface_at = wlr_surface_at;
view->is_primary = is_primary;
view->is_parent = is_parent;
}

7
xwayland.c
View file

@ -54,6 +54,12 @@ is_primary(struct cg_view *view)
return parent == NULL;
}
static bool
is_parent(struct cg_view *parent, struct cg_view *child)
{
return child->xwayland_surface->parent == parent->xwayland_surface;
}
static void
handle_xwayland_surface_unmap(struct wl_listener *listener, void *data)
{
@ -98,4 +104,5 @@ handle_xwayland_surface_new(struct wl_listener *listener, void *data)
view->for_each_surface = for_each_surface;
view->wlr_surface_at = wlr_surface_at;
view->is_primary = is_primary;
view->is_parent = is_parent;
}