Bugfix: fix coordinates of scratchpad windows on output changes (Thanks badboy)

Previously, after reconfiguring monitors, scratchpad windows could still
be focused but might be out of bounds for you to see.

fixes #929

diff --git a/src/scratchpad.c b/src/scratchpad.c
index 7b30909554040360233317dd7f70bdeedb9ff28b..c60b29eb2a6a5d2167add5b74c0e47e98bf4863b 100644 (file)
--- a/src/scratchpad.c
+++ b/src/scratchpad.c
@@ -218,8 +218,24 @@ void scratchpad_fix_resolution(void) {
             new_height = _lcm(new_height, output->rect.height);
         }
     }
+
+    Rect old_rect = __i3_output->rect;
+
     DLOG("new width = %d, new height = %d\n",
          new_width, new_height);
     __i3_output->rect.width = new_width;
     __i3_output->rect.height = new_height;
+
+    Rect new_rect = __i3_output->rect;
+
+    if (memcmp(&old_rect, &new_rect, sizeof(Rect)) == 0) {
+        DLOG("Scratchpad size unchanged.\n");
+        return;
+    }
+
+    DLOG("Fixing coordinates of scratchpad windows\n");
+    Con *con;
+    TAILQ_FOREACH(con, &(__i3_scratch->floating_head), floating_windows) {
+        floating_fix_coordinates(con, &old_rect, &new_rect);
+    }
 }