master 0dd51d8ebf: Use the attributes of frame's monitor for gamegrid

[Robert Pluim]

branch: master
commit 0dd51d8ebf15c66834ba3573794d3d7e1dd34953
Author: Robert Pluim <rpluim@gmail.com>
Commit: Robert Pluim <rpluim@gmail.com>

    Use the attributes of frame's monitor for gamegrid
    
    * lisp/play/gamegrid.el (gamegrid-calculate-glyph-size): Use the
    monitor where the current frame is displayed rather than the primary
    monitor.
---
 lisp/play/gamegrid.el | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lisp/play/gamegrid.el b/lisp/play/gamegrid.el
index 3ad42114d0..bdc056e1dd 100644
--- a/lisp/play/gamegrid.el
+++ b/lisp/play/gamegrid.el
@@ -80,8 +80,12 @@ directory will be used.")
 (defun gamegrid-calculate-glyph-size ()
   "Calculate appropriate glyph size in pixels based on display resolution.
 Return a multiple of 8 no less than 16."
-  (let ((atts (car (display-monitor-attributes-list)))
+  (let (atts
         y-pitch)
+    (dolist (mon (display-monitor-attributes-list))
+      (when-let ((frames (alist-get 'frames mon))
+                 (match (memq (selected-frame) frames)))
+        (setq atts mon)))
     (setq y-pitch (cond
                    (atts
                     (/ (nth 4 (assq 'geometry atts))