1 files changed, 63 insertions, 0 deletions

diff --git a/sway/container.c b/sway/container.c
index 6c4206fb..4f9e2b5e 100644
--- a/sway/container.c
+++ b/sway/container.c
@@ -8,6 +8,7 @@
 #include "workspace.h"
 #include "focus.h"
 #include "layout.h"
+#include "input_state.h"
 #include "log.h"
 
 #define ASSERT_NONNULL(PTR) \
@@ -508,6 +509,68 @@ swayc_t *swayc_active_workspace_for(swayc_t *cont) {
         }
 }
 
+static bool pointer_test(swayc_t *view, void *_origin) {
+        const struct mouse_origin *origin = _origin;
+        // Determine the output that the view is under
+        swayc_t *parent = swayc_parent_by_type(view, C_OUTPUT);
+        if (origin->x >= view->x && origin->y >= view->y
+                && origin->x < view->x + view->width && origin->y < view->y + view->height
+                && view->visible && parent == root_container.focused) {
+                return true;
+        }
+        return false;
+}
+
+swayc_t *container_under_pointer(void) {
+        // root.output->workspace
+        if (!root_container.focused || !root_container.focused->focused) {
+                return NULL;
+        }
+        swayc_t *lookup = root_container.focused->focused;
+        // Case of empty workspace
+        if (lookup->children == 0) {
+                return NULL;
+        }
+        while (lookup->type != C_VIEW) {
+                int i;
+                int len;
+                // if tabbed/stacked go directly to focused container, otherwise search
+                // children
+                if (lookup->layout == L_TABBED || lookup->layout == L_STACKED) {
+                        lookup = lookup->focused;
+                        continue;
+                }
+                // if workspace, search floating
+                if (lookup->type == C_WORKSPACE) {
+                        i = len = lookup->floating->length;
+                        bool got_floating = false;
+                        while (--i > -1) {
+                                if (pointer_test(lookup->floating->items[i], &pointer_state.origin)) {
+                                        lookup = lookup->floating->items[i];
+                                        got_floating = true;
+                                        break;
+                                }
+                        }
+                        if (got_floating) {
+                                continue;
+                        }
+                }
+                // search children
+                len = lookup->children->length;
+                for (i = 0; i < len; ++i) {
+                        if (pointer_test(lookup->children->items[i], &pointer_state.origin)) {
+                                lookup = lookup->children->items[i];
+                                break;
+                        }
+                }
+                // when border and titles are done, this could happen
+                if (i == len) {
+                        break;
+                }
+        }
+        return lookup;
+}
+
 // Container information
 
 bool swayc_is_fullscreen(swayc_t *view) {