working pointer motion

1 files changed, 60 insertions, 0 deletions

diff --git a/sway/tree/container.c b/sway/tree/container.c
index e205fbcf..321ef8b1 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <wlr/types/wlr_output_layout.h>
+#include <wlr/types/wlr_wl_shell.h>
 #include "sway/container.h"
 #include "sway/layout.h"
 #include "sway/output.h"
@@ -168,3 +169,62 @@ swayc_t *swayc_parent_by_type(swayc_t *container, enum swayc_types type) {
         } while (container && container->type != type);
         return container;
 }
+
+swayc_t *swayc_at(swayc_t *parent, double lx, double ly,
+                struct wlr_surface **surface, double *sx, double *sy) {
+        list_t *queue = create_list();
+        list_add(queue, parent);
+
+        swayc_t *swayc = NULL;
+        while (queue->length) {
+                swayc = queue->items[0];
+                list_del(queue, 0);
+                if (swayc->type == C_VIEW) {
+                        struct sway_view *sview = swayc->sway_view;
+                        swayc_t *soutput = swayc_parent_by_type(swayc, C_OUTPUT);
+                        struct wlr_box *output_box =
+                                wlr_output_layout_get_box(root_container.output_layout,
+                                        soutput->sway_output->wlr_output);
+                        double ox = lx - output_box->x;
+                        double oy = ly - output_box->y;
+                        double view_sx = ox - swayc->x;
+                        double view_sy = oy - swayc->y;
+                        int width = swayc->sway_view->surface->current->width;
+                        int height = swayc->sway_view->surface->current->height;
+
+                        // TODO popups and subsurfaces
+                        switch (sview->type) {
+                                case SWAY_WL_SHELL_VIEW:
+                                        break;
+                                case SWAY_XDG_SHELL_V6_VIEW:
+                                        // the top left corner of the sway container is the
+                                        // coordinate of the top left corner of the window geometry
+                                        view_sx += sview->wlr_xdg_surface_v6->geometry->x;
+                                        view_sy += sview->wlr_xdg_surface_v6->geometry->y;
+                                        break;
+                                case SWAY_XWAYLAND_VIEW:
+                                        break;
+                                default:
+                                        break;
+                        }
+
+                        if (view_sx > 0 && view_sx < width &&
+                                        view_sy > 0 && view_sy < height &&
+                                        pixman_region32_contains_point(
+                                                &sview->surface->current->input,
+                                                view_sx, view_sy, NULL)) {
+                                *sx = view_sx;
+                                *sy = view_sy;
+                                *surface = swayc->sway_view->surface;
+                                list_free(queue);
+                                return swayc;
+                        }
+                } else {
+                        list_cat(queue, swayc->children);
+                }
+        }
+
+        list_free(queue);
+
+        return NULL;
+}