Attempt to make modifier key changes take affect when the dialogue closes. This means you don't have to restart Fenrir to apply them.

internal/console/live_modifiers_linux_test.go

@@ -0,0 +1,62 @@
+// Copyright (c) 2026 Storm Dragon
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+//go:build linux && cgo
+
+package console
+
+import (
+	"testing"
+
+	"git.stormux.org/storm/fenrir/internal/command"
+	"git.stormux.org/storm/fenrir/internal/input"
+)
+
+func TestConsoleModifierUpdateWaitsForCaptureAndHeldChord(t *testing.T) {
+	layout, _, err := input.Load_bindings([]string{"../../config/keyboard/laptop.toml"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	router, err := input.New_router(layout)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := router.Configure_modifiers([]string{"KEY_INSERT"}, []string{"KEY_COMPOSE"}); err != nil {
+		t.Fatal(err)
+	}
+	if err := router.Configure_scripts([]string{"KEY_COMPOSE"}, []input.ScriptBinding{{ID: "script:example", Keys: []string{"KEY_SCRIPT", "KEY_U"}}}); err != nil {
+		t.Fatal(err)
+	}
+	keys := &Keyboards{router: router}
+	update := func(want bool) {
+		t.Helper()
+		applied, err := keys.Update_modifiers([]string{"KEY_META"}, []string{"KEY_CAPSLOCK"})
+		if err != nil || applied != want {
+			t.Fatal(applied, err)
+		}
+	}
+	keys.router.Capture(true)
+	update(false)
+	keys.router.Capture(false)
+	keys.router.Key(1, input.KeyInsert, 1, false, false)
+	if got := keys.router.Key(1, 23, 1, false, false); got.Command != command.CurrentLine {
+		t.Fatal(got)
+	}
+	update(false)
+	keys.router.Key(1, input.KeyInsert, 0, false, false)
+	update(false)
+	if got := keys.router.Key(1, 23, 0, false, false); got.Forward {
+		t.Fatal("old chord release leaked", got)
+	}
+	update(true)
+	keys.router.Key(1, input.KeyMeta, 1, false, false)
+	if got := keys.router.Key(1, 23, 1, false, false); got.Command != command.CurrentLine {
+		t.Fatal("new reader key failed", got)
+	}
+	keys.router.Key(1, input.KeyMeta, 0, false, false)
+	keys.router.Key(1, 23, 0, false, false)
+	keys.router.Key(1, input.KeyCapsLock, 1, false, false)
+	if got := keys.router.Key(1, 22, 1, false, false); got.Command != "script:example" {
+		t.Fatal("script binding lost", got)
+	}
+}