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-rw-r--r--configure.ac10
-rw-r--r--src/Makefile.am3
-rw-r--r--src/util.vala28
3 files changed, 40 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 222556a..7619254 100644
--- a/configure.ac
+++ b/configure.ac
@@ -91,6 +91,16 @@ if test x$gtk_check_pass = xyes ; then
AC_SUBST([AM_VALAFLAGS])
fi
+dnl ###########################################################################
+dnl Check for GTK version - 4.0
+dnl ###########################################################################
+
+PKG_CHECK_MODULES(GTK_4_0, gtk4 >= 4.0.0 , gtk4_check_pass=yes, gtk4_check_pass=no)
+if test x$gtk4_check_pass = xyes ; then
+ AM_VALAFLAGS="$AM_VALAFLAGS -D HAVE_GTK_4_0"
+ AC_SUBST([AM_VALAFLAGS])
+fi
+
dnl ##########################################################################
dnl Remote Logon Dependencies
dnl ##########################################################################
diff --git a/src/Makefile.am b/src/Makefile.am
index 5c0c78f..4c10950 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -37,7 +37,8 @@ arctica_greeter_SOURCES = \
toggle-box.vala \
arctica-greeter.vala \
user-list.vala \
- user-prompt-box.vala
+ user-prompt-box.vala \
+ util.vala
logo_generator_SOURCES = logo-generator.vala
diff --git a/src/util.vala b/src/util.vala
new file mode 100644
index 0000000..6b82f50
--- /dev/null
+++ b/src/util.vala
@@ -0,0 +1,28 @@
+/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 4 -*-
+ *
+ * Copyright (C) 2011,2012 Canonical Ltd
+ * Copyright (C) 2015-2017 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
+ * Copyright (C) 2022 Mihai Moldovan <ionic@ionic.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Robert Ancell <robert.ancell@canonical.com>
+ * Michael Terry <michael.terry@canonical.com>
+ * Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
+ * Mihai Moldovan <ionic@ionic.de>
+ */
+
+#if !HAVE_GTK_4_0
+[CCode(cname = "GTK_IS_CONTAINER", cheader_filename="gtk/gtk.h", simple_generics = true, has_target = false)]
+static extern bool gtk_is_container<T> (T widget);
+#endif