Implement tiling drag

Hold floating_modifier and drag a tiling view to a new location.

1 files changed, 17 insertions, 0 deletions

diff --git a/sway/desktop/render.c b/sway/desktop/render.c
index 8a6f63aa..8b5b3e95 100644
--- a/sway/desktop/render.c
+++ b/sway/desktop/render.c
@@ -891,6 +891,21 @@ static void render_floating(struct sway_output *soutput,
         }
 }
 
+static void render_dropzones(struct sway_output *output,
+                pixman_region32_t *damage) {
+        struct sway_seat *seat;
+        wl_list_for_each(seat, &input_manager->seats, link) {
+                if (seat->operation == OP_MOVE_TILING && seat->op_target_node
+                                && node_get_output(seat->op_target_node) == output) {
+                        float color[4];
+                        memcpy(&color, config->border_colors.focused.indicator,
+                                        sizeof(float) * 4);
+                        premultiply_alpha(color, 0.5);
+                        render_rect(output->wlr_output, damage, &seat->op_drop_box, color);
+                }
+        }
+}
+
 void output_render(struct sway_output *output, struct timespec *when,
                 pixman_region32_t *damage) {
         struct wlr_output *wlr_output = output->wlr_output;
@@ -973,6 +988,8 @@ void output_render(struct sway_output *output, struct timespec *when,
                         &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
         }
 
+        render_dropzones(output, damage);
+
         struct sway_seat *seat = input_manager_current_seat(input_manager);
         struct sway_container *focus = seat_get_focused_container(seat);
         if (focus && focus->view) {