Bugfix: Don’t change focus when assigned windows start on invisible workspaces (+test) (Thanks ioflag)

Fixes #468

src/manage.c

@@ -264,9 +264,13 @@ void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cooki
 
     if (fs == NULL) {
         DLOG("Not in fullscreen mode, focusing\n");
-        if (!cwindow->dock)
+        if (!cwindow->dock) {
-            con_focus(nc);
+            /* Check that the workspace is visible. If the window was assigned
-        else DLOG("dock, not focusing\n");
+             * to an invisible workspace, we should not steal focus. */
+            if (workspace_is_visible(ws)) {
+                con_focus(nc);
+            } else DLOG("workspace not visible, not focusing\n");
+        } else DLOG("dock, not focusing\n");
     } else {
         DLOG("fs = %p, ws = %p, not focusing\n", fs, ws);
         /* Insert the new container in focus stack *after* the currently

testcases/t/73-regress-focus-assign.t

@@ -0,0 +1,73 @@
+#!perl
+# vim:ts=4:sw=4:expandtab
+# !NO_I3_INSTANCE! will prevent complete-run.pl from starting i3
+#
+# Regression: Checks if focus is stolen when a window is managed which is
+# assigned to an invisible workspace
+#
+use i3test;
+use X11::XCB qw(:all);
+use X11::XCB::Connection;
+use v5.10;
+
+my $x = X11::XCB::Connection->new;
+
+# TODO: move to X11::XCB
+sub set_wm_class {
+    my ($id, $class, $instance) = @_;
+
+    # Add a _NET_WM_STRUT_PARTIAL hint
+    my $atomname = $x->atom(name => 'WM_CLASS');
+    my $atomtype = $x->atom(name => 'STRING');
+
+    $x->change_property(
+        PROP_MODE_REPLACE,
+        $id,
+        $atomname->id,
+        $atomtype->id,
+        8,
+        length($class) + length($instance) + 2,
+        "$instance\x00$class\x00"
+    );
+}
+
+
+#####################################################################
+# start a window and see that it does not get assigned with an empty config
+#####################################################################
+
+my $config = <<EOT;
+# i3 config file (v4)
+font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
+assign "special" → targetws
+EOT
+
+my $process = launch_with_config($config);
+
+my $tmp = fresh_workspace;
+
+ok(@{get_ws_content($tmp)} == 0, 'no containers yet');
+ok(get_ws($tmp)->{focused}, 'current workspace focused');
+
+my $window = $x->root->create_child(
+    class => WINDOW_CLASS_INPUT_OUTPUT,
+    rect => [ 0, 0, 30, 30 ],
+    background_color => '#0000ff',
+);
+
+$window->_create;
+set_wm_class($window->id, 'special', 'special');
+$window->name('special window');
+$window->map;
+sleep 0.25;
+
+
+ok(@{get_ws_content($tmp)} == 0, 'special window not on current workspace');
+ok(@{get_ws_content('targetws')} == 1, 'special window on targetws');
+ok(get_ws($tmp)->{focused}, 'current workspace still focused');
+
+exit_gracefully($process->pid);
+
+$window->destroy;
+
+done_testing;