From: Sebastian Keller <skeller@src.gnome.org>
Date: Tue, 22 Aug 2017 17:05:11 +0000 (+0200)
Subject: workspace: Align window previews with the pixel grid
X-Git-Tag: archive/raspbian/50.5-1+rpi1~1^2~1013^2^2~99
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=a02399eea4a3fbf46aa3be35198f6ad3b861e6c8;p=gnome-shell.git

workspace: Align window previews with the pixel grid

Now that full-sized window previews are allowed again it makes sense to
align the window previews with the pixel grid to prevent unscaled
windows from looking blurry in the overview.
---

diff --git a/js/ui/workspace.js b/js/ui/workspace.js
index eb24e2538..e6a6da919 100644
--- a/js/ui/workspace.js
+++ b/js/ui/workspace.js
@@ -948,6 +948,10 @@ var LayoutStrategy = new Lang.Class({
                 let cloneX = x + (cellWidth - cloneWidth) / 2;
                 let cloneY = row.y + row.height * row.additionalScale - cellHeight + compensation;
 
+                // Align with the pixel grid to prevent blurry windows at scale = 1
+                cloneX = Math.floor(cloneX);
+                cloneY = Math.floor(cloneY);
+
                 slots.push([cloneX, cloneY, s, window]);
                 x += cellWidth + this._columnSpacing;
             }