From: Johan Malm <jgm323@gmail.com>
Date: Fri, 9 Jul 2021 20:39:20 +0000 (+0100)
Subject: view: add view_center()
X-Git-Url: https://git.mdlowis.com/?a=commitdiff_plain;h=cb98f8f197337520df6f41be8205a0093f3f930b;p=proto%2Flabwc.git

view: add view_center()
---

diff --git a/include/labwc.h b/include/labwc.h
index 6f55bce7..f12870df 100644
--- a/include/labwc.h
+++ b/include/labwc.h
@@ -290,6 +290,7 @@ void view_move_resize(struct view *view, struct wlr_box geo);
 void view_move(struct view *view, double x, double y);
 void view_minimize(struct view *view);
 void view_unminimize(struct view *view);
+void view_center(struct view *view);
 void view_maximize(struct view *view, bool maximize);
 void view_for_each_surface(struct view *view,
 	wlr_surface_iterator_func_t iterator, void *user_data);
diff --git a/src/view.c b/src/view.c
index 2a463232..0f59e979 100644
--- a/src/view.c
+++ b/src/view.c
@@ -49,6 +49,22 @@ view_output(struct view *view)
 	return output;
 }
 
+void
+view_center(struct view *view)
+{
+	struct wlr_output *output = view_output(view);
+	if (!output) {
+		return;
+	}
+
+	struct wlr_output_layout *layout = view->server->output_layout;
+	struct wlr_output_layout_output* ol_output =
+		wlr_output_layout_get(layout, output);
+	int center_x = ol_output->x + output->width / 2;
+	int center_y = ol_output->y + output->height / 2;
+	view_move(view, center_x - view->w / 2, center_y - view->h / 2);
+}
+
 void
 view_maximize(struct view *view, bool maximize)
 {