Scale nbdraid canvas according to screen size.

diff --git a/2019-fosdem/nbdview/nbdraid.tcl b/2019-fosdem/nbdview/nbdraid.tcl
index f594f29..95f0441 100755 (executable)
--- a/2019-fosdem/nbdview/nbdraid.tcl
+++ b/2019-fosdem/nbdview/nbdraid.tcl
@@ -37,7 +37,14 @@ source "nbdcanvas.tcl"
 
 set blocksize 4096
 set width 128
-set scale 2
+
+# For 1024x768 and 1280x1024 use scale 1
+# For larger screens use scale 2
+if { [winfo screenheight .] > 1024 } {
+    set scale 2
+} else {
+    set scale 1
+}
 
 # This list is used to store all the RAID handles.
 set handles {}