From 76ce62919830b2917c696f599e7710ce05d109c0 Mon Sep 17 00:00:00 2001
From: Tony Crisci <tony@dubstepdish.com>
Date: Sun, 14 Jan 2018 10:47:19 -0500
Subject: [PATCH] xdg-popups

---
 sway/desktop/output.c | 31 +++++++++++++++++++++++++++++++
 sway/tree/container.c | 15 ++++++++++++++-
 2 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index 1e9a823a..9182f8d5 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -118,6 +118,33 @@ static void render_surface(struct wlr_surface *surface,
 	}
 }
 
+static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
+		struct wlr_output *wlr_output, struct timespec *when, double base_x,
+		double base_y, float rotation) {
+	double width = surface->surface->current->width;
+	double height = surface->surface->current->height;
+
+	struct wlr_xdg_surface_v6 *popup;
+	wl_list_for_each(popup, &surface->popups, popup_link) {
+		if (!popup->configured) {
+			continue;
+		}
+
+		double popup_width = popup->surface->current->width;
+		double popup_height = popup->surface->current->height;
+
+		double popup_sx, popup_sy;
+		wlr_xdg_surface_v6_popup_get_position(popup, &popup_sx, &popup_sy);
+		rotate_child_position(&popup_sx, &popup_sy, popup_width, popup_height,
+			width, height, rotation);
+
+		render_surface(popup->surface, wlr_output, when,
+			base_x + popup_sx, base_y + popup_sy, rotation);
+		render_xdg_v6_popups(popup, wlr_output, when,
+			base_x + popup_sx, base_y + popup_sy, rotation);
+	}
+}
+
 static void output_frame_view(swayc_t *view, void *data) {
 	struct sway_output *output = data;
 	struct wlr_output *wlr_output = output->wlr_output;
@@ -132,6 +159,10 @@ static void output_frame_view(swayc_t *view, void *data) {
 			view->x - window_offset_x,
 			view->y - window_offset_y,
 			0);
+		render_xdg_v6_popups(sway_view->wlr_xdg_surface_v6, wlr_output,
+			&output->last_frame,
+			view->x - window_offset_x, view->y - window_offset_y,
+			0);
 		break;
 	}
 	case SWAY_WL_SHELL_VIEW:
diff --git a/sway/tree/container.c b/sway/tree/container.c
index 31ec2ce5..82f68519 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -259,7 +259,6 @@ swayc_t *swayc_at(swayc_t *parent, double lx, double ly,
 			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;
@@ -268,6 +267,20 @@ swayc_t *swayc_at(swayc_t *parent, double lx, double ly,
 					// 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;
+
+					// check for popups
+					double popup_sx, popup_sy;
+					struct wlr_xdg_surface_v6 *popup =
+						wlr_xdg_surface_v6_popup_at(sview->wlr_xdg_surface_v6,
+								view_sx, view_sy, &popup_sx, &popup_sy);
+
+					if (popup) {
+						*sx = view_sx - popup_sx;
+						*sy = view_sy - popup_sy;
+						*surface = popup->surface;
+						list_free(queue);
+						return swayc;
+					}
 					break;
 				case SWAY_XWAYLAND_VIEW:
 					break;