Fix crash when moving cursor over a fullscreen split container

Calling container_at_view fails an assertion if the container isn't a
view. Calling tiling_container_at works correctly, as that function
checks if the container is a view and calls container_at_view if so.

3 files changed, 6 insertions, 10 deletions

diff --git a/include/sway/tree/container.h b/include/sway/tree/container.h
index c3942e9e..44ff9f7d 100644
--- a/include/sway/tree/container.h
+++ b/include/sway/tree/container.h
@@ -234,9 +234,9 @@ struct sway_container *container_at(struct sway_container *workspace,
                 double lx, double ly, struct wlr_surface **surface,
                 double *sx, double *sy);
 
-struct sway_container *container_at_view(struct sway_container *view,
-                double lx, double ly, struct wlr_surface **surface,
-                double *sx, double *sy);
+struct sway_container *tiling_container_at(
+                struct sway_container *con, double lx, double ly,
+                struct wlr_surface **surface, double *sx, double *sy);
 
 /**
  * Apply the function for each descendant of the container breadth first.
diff --git a/sway/input/cursor.c b/sway/input/cursor.c
index c2fc4e9e..80b4f9dc 100644
--- a/sway/input/cursor.c
+++ b/sway/input/cursor.c
@@ -99,7 +99,7 @@ static struct sway_container *container_at_coords(
                 return ws;
         }
         if (ws->sway_workspace->fullscreen) {
-                return container_at_view(ws->sway_workspace->fullscreen, lx, ly,
+                return tiling_container_at(ws->sway_workspace->fullscreen, lx, ly,
                                 surface, sx, sy);
         }
         if ((*surface = layer_surface_at(output,
diff --git a/sway/tree/container.c b/sway/tree/container.c
index 46c54e2d..4a503652 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -535,7 +535,7 @@ struct sway_container *container_parent(struct sway_container *container,
         return container;
 }
 
-struct sway_container *container_at_view(struct sway_container *swayc,
+static struct sway_container *container_at_view(struct sway_container *swayc,
                 double lx, double ly,
                 struct wlr_surface **surface, double *sx, double *sy) {
         if (!sway_assert(swayc->type == C_VIEW, "Expected a view")) {
@@ -574,10 +574,6 @@ struct sway_container *container_at_view(struct sway_container *swayc,
         return NULL;
 }
 
-static struct sway_container *tiling_container_at(
-                struct sway_container *con, double lx, double ly,
-                struct wlr_surface **surface, double *sx, double *sy);
-
 /**
  * container_at for a container with layout L_TABBED.
  */
@@ -684,7 +680,7 @@ static struct sway_container *floating_container_at(double lx, double ly,
         return NULL;
 }
 
-static struct sway_container *tiling_container_at(
+struct sway_container *tiling_container_at(
                 struct sway_container *con, double lx, double ly,
                 struct wlr_surface **surface, double *sx, double *sy) {
         if (con->type == C_VIEW) {