diff --git a/src/gui/Makefile b/src/gui/Makefile
new file mode 100644
index 0000000..f5cdba7
--- /dev/null
+++ b/src/gui/Makefile
@@ -0,0 +1,66 @@
+SHELL=/bin/bash
+
+# configurable options
+
+SOURCES_DIR := .
+TESTS_DIR := .
+BUILD_DIR := .
+
+CC := gcc
+CXX := g++
+
+
+# dependencies
+
+PACKAGE_NAMES := gtk4 libadwaita-1
+
+ifeq ($(TEST), 1)
+	#	PACKAGE_NAMES += check # TODO: use check?
+endif
+
+
+# set up cflags and libs
+
+CFLAGS := -D_FILE_OFFSET_BITS=64
+LDFLAGS :=
+
+CFLAGS += $(shell pkg-config --cflags $(PACKAGE_NAMES))
+LDFLAGS += $(shell pkg-config --libs $(PACKAGE_NAMES))
+
+ifeq ($(DEBUG),1)
+	CFLAGS += -O0 -pedantic -g -Wall -Wextra -Wcast-align \
+						-Wcast-qual -Wdisabled-optimization -Wformat=2 \
+						-Winit-self -Wlogical-op -Wmissing-declarations \
+						-Wmissing-include-dirs -Wredundant-decls -Wshadow \
+						-Wsign-conversion -Wstrict-overflow=5 \
+						-Wswitch-default -Wundef -Wno-unused
+	LDFLAGS += 
+else
+	CFLAGS += -O3
+	LDFLAGS +=
+endif
+
+
+# set up targets 
+
+TARGETS := $(BUILD_DIR)/zenity
+
+ifeq ($(TEST), 1)
+	#TARGETS += icfs_test
+endif
+
+
+# build!
+
+default: $(TARGETS)
+
+.PHONY: clean
+
+$(BUILD_DIR)/zenity: $(BUILD_DIR)/zenity.o
+	$(CC) $(CFLAGS) $^ $(LDFLAGS) -o $(BUILD_DIR)/zenity
+
+$(BUILD_DIR)/zenity.o: $(SOURCES_DIR)/zenity-clone.c
+	$(CC) $(CFLAGS) -c $< $(LDFLAGS) -o $(BUILD_DIR)/zenity.o
+
+clean:
+	rm $(BUILD_DIR)/*.o $(BUILD_DIR)/zenity
diff --git a/src/gui/zenity-clone.c b/src/gui/zenity-clone.c
new file mode 100644
index 0000000..071b6c1
--- /dev/null
+++ b/src/gui/zenity-clone.c
@@ -0,0 +1,41 @@
+#include "gio/gio.h"
+#include <adwaita.h>
+#include <gtk/gtk.h>
+
+static void on_activate(GtkApplication *app, gpointer user_data) {
+  // Create the main window
+  AdwMessageDialog *dialog = ADW_MESSAGE_DIALOG(
+      adw_message_dialog_new(NULL, "Allow access?", "allow_access?"));
+
+  // Set the dialog as transient for the (non-existent) parent window
+  gtk_window_set_application(GTK_WINDOW(dialog), app);
+
+  // Add response buttons
+  adw_message_dialog_add_response(dialog, "cancel", "Cancel");
+  adw_message_dialog_add_response(dialog, "ok", "OK");
+
+  // Set default response
+  adw_message_dialog_set_default_response(dialog, "ok");
+
+  // Set close response (when clicking X)
+  adw_message_dialog_set_close_response(dialog, "cancel");
+
+  // Connect response handler
+  // g_signal_connect(dialog, "response", G_CALLBACK(gtk_window_close), dialog);
+
+  // Show the dialog
+  gtk_window_present(GTK_WINDOW(dialog));
+}
+
+int main(int argc, char **argv) {
+  // Create a new application
+  AdwApplication *app = adw_application_new("com.example.zenityclone",
+                                            G_APPLICATION_DEFAULT_FLAGS);
+  g_signal_connect(app, "activate", G_CALLBACK(on_activate), NULL);
+
+  // Run the application
+  int status = g_application_run(G_APPLICATION(app), argc, argv);
+  g_object_unref(app);
+
+  return status;
+}