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-rw-r--r--config.def.h2
-rw-r--r--dwl.c14
2 files changed, 16 insertions, 0 deletions
diff --git a/config.def.h b/config.def.h
index 43f35cd..29c6dbf 100644
--- a/config.def.h
+++ b/config.def.h
@@ -5,6 +5,8 @@ static const int lockfullscreen = 1; /* 1 will force focus on the fullscree
static const float rootcolor[] = {0.3, 0.3, 0.3, 1.0};
static const float bordercolor[] = {0.5, 0.5, 0.5, 1.0};
static const float focuscolor[] = {1.0, 0.0, 0.0, 1.0};
+/* To conform the xdg-protocol, set the alpha to zero to restore the old behavior */
+static const float fullscreen_bg[] = {0.1, 0.1, 0.1, 1.0};
/* tagging */
static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
diff --git a/dwl.c b/dwl.c
index 727e6e1..35c72f0 100644
--- a/dwl.c
+++ b/dwl.c
@@ -98,6 +98,7 @@ typedef struct {
struct wlr_scene_node *scene;
struct wlr_scene_rect *border[4]; /* top, bottom, left, right */
struct wlr_scene_node *scene_surface;
+ struct wlr_scene_rect *fullscreen_bg; /* See setfullscreen() for info */
struct wl_list link;
struct wl_list flink;
union {
@@ -1869,10 +1870,23 @@ setfullscreen(Client *c, int fullscreen)
if (fullscreen) {
c->prev = c->geom;
resize(c, c->mon->m, 0);
+ /* The xdg-protocol specifies:
+ *
+ * If the fullscreened surface is not opaque, the compositor must make
+ * sure that other screen content not part of the same surface tree (made
+ * up of subsurfaces, popups or similarly coupled surfaces) are not
+ * visible below the fullscreened surface.
+ *
+ * For brevity we set a black background for all clients
+ */
+ c->fullscreen_bg = wlr_scene_rect_create(c->scene,
+ c->geom.width, c->geom.height, fullscreen_bg);
+ wlr_scene_node_lower_to_bottom(&c->fullscreen_bg->node);
} else {
/* restore previous size instead of arrange for floating windows since
* client positions are set by the user and cannot be recalculated */
resize(c, c->prev, 0);
+ wlr_scene_node_destroy(&c->fullscreen_bg->node);
}
arrange(c->mon);
printstatus();