block linear desk flips that would wrap if desk flip wrapping is disabled

fix T1948

diff --git a/src/bin/e_zone.c b/src/bin/e_zone.c
index 65aa1a341b1c0150d4aadd1479c56349de48575d..335c5c2c5173063d4ccdd50831fec09c9ee372e2 100644 (file)
--- a/src/bin/e_zone.c
+++ b/src/bin/e_zone.c
@@ -812,6 +812,8 @@ e_zone_desk_linear_flip_by(E_Zone *zone,
 
    dx = zone->desk_x_current +
      (zone->desk_y_current * zone->desk_x_count) + dx;
+   if ((!e_config->desk_flip_wrap) &&
+     ((dx < 0) || (dx >= zone->desk_x_count * zone->desk_y_count))) return;
    dx = dx % (zone->desk_x_count * zone->desk_y_count);
    while (dx < 0)
      dx += (zone->desk_x_count * zone->desk_y_count);