Merge pull request #3202 from orestisf1993/issue-3201

Prefer fullscreen floating containers when on directional focus

src/tree.c

@@ -567,9 +567,16 @@ static bool _tree_next(Con *con, char way, orientation_t orientation, bool wrap)
         if (!workspace)
             return false;
 
-        Con *focus = con_descend_tiling_focused(workspace);
+        /* Use descend_focused first to give higher priority to floating or
-        if (focus == workspace) {
+         * tiling fullscreen containers. */
-            focus = con_descend_focused(workspace);
+        Con *focus = con_descend_focused(workspace);
+        if (focus->fullscreen_mode == CF_NONE) {
+            Con *focus_tiling = con_descend_tiling_focused(workspace);
+            /* If descend_tiling returned a workspace then focus is either a
+             * floating container or the same workspace. */
+            if (focus_tiling != workspace) {
+                focus = focus_tiling;
+            }
         }
 
         workspace_show(workspace);

testcases/t/296-regress-focus-behind-fullscreen-floating.t

@@ -0,0 +1,40 @@
+#!perl
+# vim:ts=4:sw=4:expandtab
+#
+# Please read the following documents before working on tests:
+# • https://build.i3wm.org/docs/testsuite.html
+#   (or docs/testsuite)
+#
+# • https://build.i3wm.org/docs/lib-i3test.html
+#   (alternatively: perldoc ./testcases/lib/i3test.pm)
+#
+# • https://build.i3wm.org/docs/ipc.html
+#   (or docs/ipc)
+#
+# • http://onyxneon.com/books/modern_perl/modern_perl_a4.pdf
+#   (unless you are already familiar with Perl)
+#
+# Test that directional focus gives focus to floating fullscreen containers when
+# switching workspaces.
+# Ticket: #3201
+# Bug still in: 4.15-59-gb849fe3e
+use i3test i3_config => <<EOT;
+# i3 config file (v4)
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
+
+fake-outputs 1024x768+0+0,1024x768+1024+0
+EOT
+
+fresh_workspace(output => 0);
+my $ws = fresh_workspace(output => 1);
+open_window;
+open_floating_window;
+cmd 'fullscreen enable';
+my $expected_focus = get_focused($ws);
+
+cmd 'focus left';
+cmd 'focus right';
+
+is (get_focused($ws), $expected_focus, 'floating fullscreen window focused after directional focus');
+
+done_testing;