From: Robert Pluim <rpluim@gmail.com>
Date: Tue, 7 Jan 2020 13:41:52 +0000 (+0100)
Subject: Scale top-left coordinates in display-monitor-attributes-list
X-Git-Tag: emacs-27.0.90~201
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=f54b24304decc52defbf12576993d746e02a80ee;p=emacs.git

Scale top-left coordinates in display-monitor-attributes-list

When using multiple monitors, and HiDPI, the top-left coordinates of
the monitors need to be adjusted, not just the width and height
(Bug#31223).

* xfns.c (Fx_display_monitor_attributes_list): Scale top-left
coordinates.
---

diff --git a/src/xfns.c b/src/xfns.c
index d0d5d399dc4..276ea1c3935 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -5089,6 +5089,8 @@ Internal use only, use `display-monitor-attributes-list' instead.  */)
 #elif defined HAVE_GTK3
       scale = gdk_screen_get_monitor_scale_factor (gscreen, i);
 #endif
+      rec.x *= scale;
+      rec.y *= scale;
       rec.width *= scale;
       rec.height *= scale;
       work.x *= scale;