wayland: Set screen size to bounding box of all outputs

Don't hardcode 8192x8192.  We don't get this info from wayland, so we
compute it as we receive information about the available wl_outputs.

https://bugzilla.gnome.org/show_bug.cgi?id=692871

diff --git a/gdk/wayland/gdkscreen-wayland.c b/gdk/wayland/gdkscreen-wayland.c
index be1a0f541726d013b84ac4a8c4f127458c676fe7..5d1768882a274e167fa9540edf64424e7d75b2e7 100644 (file)
--- a/gdk/wayland/gdkscreen-wayland.c
+++ b/gdk/wayland/gdkscreen-wayland.c
@@ -789,8 +789,8 @@ _gdk_wayland_screen_new (GdkDisplay *display)
 
   screen_wayland = GDK_WAYLAND_SCREEN (screen);
   screen_wayland->display = display;
-  screen_wayland->width = 8192;
-  screen_wayland->height = 8192;
+  screen_wayland->width = 0;
+  screen_wayland->height = 0;
 
   screen_wayland->visual = gdk_wayland_visual_new (screen);
 
@@ -891,6 +891,11 @@ output_handle_mode(void *data,
 
   monitor->geometry.width = width;
   monitor->geometry.height = height;
+
+  monitor->screen->width =
+    MAX (monitor->screen->width, monitor->geometry.x + width);
+  monitor->screen->height =
+    MAX (monitor->screen->height, monitor->geometry.y + height);
 }
 
 static const struct wl_output_listener output_listener =