From 27b7ebb8092a36f0fb32e3277577ff9f09d309e6 Mon Sep 17 00:00:00 2001
From: Victor Kareh <vkareh@redhat.com>
Date: Tue, 6 Aug 2019 09:59:59 -0400
Subject: [PATCH 1/5] Expose window scaling factor

---
 libwnck/private.h |  2 ++
 libwnck/util.c    | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/libwnck/private.h b/libwnck/private.h
index d5e48d9..6741e1e 100644
--- a/libwnck/private.h
+++ b/libwnck/private.h
@@ -37,6 +37,8 @@ G_BEGIN_DECLS
 
 WnckHandle *_wnck_get_handle (void);
 
+int _wnck_get_window_scaling_factor (void);
+
 void _wnck_application_process_property_notify (WnckApplication *app,
                                                 XEvent          *xevent);
 void _wnck_window_process_property_notify (WnckWindow *window,
diff --git a/libwnck/util.c b/libwnck/util.c
index 83659dc..a58a99e 100644
--- a/libwnck/util.c
+++ b/libwnck/util.c
@@ -164,6 +164,27 @@ _wnck_get_handle (void)
   return wnck_handle;
 }
 
+/**
+ * _wnck_get_window_scaling_factor:
+ *
+ * Retrieves the internal scale factor that maps from window coordinates to the
+ * actual device pixels. On traditional systems this is 1, on high density
+ * outputs, it can be a higher value (typically 2).
+ */
+int
+_wnck_get_window_scaling_factor (void)
+{
+  GdkScreen *screen;
+  GValue value = G_VALUE_INIT;
+
+  g_value_init (&value, G_TYPE_INT);
+
+  screen = gdk_screen_get_default ();
+  if (gdk_screen_get_setting (screen, "gdk-window-scaling-factor", &value))
+    return g_value_get_int (&value);
+  return 1;
+}
+
 /**
  * wnck_set_default_icon_size:
  * @size: the default size for windows and application standard icons.
-- 
2.37.2