1 files changed, 28 insertions, 0 deletions
diff --git a/src/app.h b/src/app.h
new file mode 100644
index 0000000..7b40ff6
--- /dev/null
+++ b/src/app.h
@@ -0,0 +1,28 @@
+#ifndef GGAZE_APP_H
+#define GGAZE_APP_H
+
+/*:*
+ * ggaze — application object
+ *
+ * GgazeApp is the GApplication/single-instance entry point. It owns the
+ * GtkApplication, registers actions, and routes the GApplication `open`
+ * signal (a file OR a directory) to the window. See docs/architecture.md
+ * "Responsibilities / app".
+ *
+ * Copyright (c) 2026 ggaze contributors
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *:*/
+
+#include <adwaita.h>
+
+G_BEGIN_DECLS
+
+#define GGAZE_TYPE_APP (ggaze_app_get_type())
+G_DECLARE_FINAL_TYPE(GgazeApp, ggaze_app, GGAZE, APP, AdwApplication)
+
+/* Construct a new single-instance ggaze application. */
+GgazeApp *ggaze_app_new(void);
+
+G_END_DECLS
+
+#endif /* GGAZE_APP_H */
+\ No newline at end of file