4 files changed, 130 insertions, 0 deletions

diff --git a/src/application.h b/src/application.h
index 4a56ffd..6b99bdd 100644
--- a/src/application.h
+++ b/src/application.h
@@ -33,6 +33,7 @@
 #include "ui/messenger.h"
 #include "ui/new_contact.h"
 #include "ui/new_platform.h"
+#include "ui/settings.h"
 
 #include "util.h"
 
@@ -70,6 +71,7 @@ typedef struct MESSENGER_Application
     UI_NEW_CONTACT_Handle new_contact;
     UI_NEW_PLATFORM_Handle new_platform;
     UI_CONTACTS_Handle contacts;
+    UI_SETTINGS_Handle settings;
   } ui;
 } MESSENGER_Application;
 
diff --git a/src/ui/messenger.c b/src/ui/messenger.c
index 8842385..314edb4 100644
--- a/src/ui/messenger.c
+++ b/src/ui/messenger.c
@@ -31,6 +31,8 @@
 #include "message.h"
 #include "new_contact.h"
 #include "new_platform.h"
+#include "settings.h"
+
 #include "../application.h"
 
 static void
@@ -108,6 +110,19 @@ handle_contacts_button_click(UNUSED GtkButton* button,
 }
 
 static void
+handle_settings_button_click(UNUSED GtkButton* button,
+                             gpointer user_data)
+{
+  MESSENGER_Application *app = (MESSENGER_Application*) user_data;
+
+  hdy_flap_set_reveal_flap(HDY_FLAP(app->ui.messenger.flap_user_details), FALSE);
+
+  ui_settings_dialog_init(app, &(app->ui.settings));
+
+  gtk_widget_show(GTK_WIDGET(app->ui.settings.dialog));
+}
+
+static void
 handle_chats_listbox_row_activated(UNUSED GtkListBox* listbox,
                                    GtkListBoxRow* row,
                                    gpointer user_data)
@@ -282,6 +297,13 @@ ui_messenger_init(MESSENGER_Application *app,
       app
   );
 
+  g_signal_connect(
+      handle->settings_button,
+      "clicked",
+      G_CALLBACK(handle_settings_button_click),
+      app
+  );
+
   handle->user_details_button = GTK_BUTTON(
       gtk_builder_get_object(handle->builder, "user_details_button")
   );
diff --git a/src/ui/settings.c b/src/ui/settings.c
new file mode 100644
index 0000000..ca58270
--- /dev/null
+++ b/src/ui/settings.c
@@ -0,0 +1,63 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2021 GNUnet e.V.
+
+   GNUnet is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Affero General Public License as published
+   by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   GNUnet 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
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/*
+ * @author Tobias Frisch
+ * @file ui/settings.c
+ */
+
+#include "settings.h"
+
+#include "../application.h"
+
+static void
+handle_dialog_destroy(UNUSED GtkWidget *window,
+                      gpointer user_data)
+{
+  ui_settings_dialog_cleanup((UI_SETTINGS_Handle*) user_data);
+}
+
+void
+ui_settings_dialog_init(MESSENGER_Application *app,
+                        UI_SETTINGS_Handle *handle)
+{
+  handle->builder = gtk_builder_new_from_file("resources/ui/settings.ui");
+
+  handle->dialog = HDY_PREFERENCES_WINDOW(
+      gtk_builder_get_object(handle->builder, "settings_dialog")
+  );
+
+  gtk_window_set_transient_for(
+      GTK_WINDOW(handle->dialog),
+      GTK_WINDOW(app->ui.messenger.main_window)
+  );
+
+  g_signal_connect(
+      handle->dialog,
+      "destroy",
+      G_CALLBACK(handle_dialog_destroy),
+      handle
+  );
+}
+
+void
+ui_settings_dialog_cleanup(UI_SETTINGS_Handle *handle)
+{
+  g_object_unref(handle->builder);
+}
diff --git a/src/ui/settings.h b/src/ui/settings.h
new file mode 100644
index 0000000..733efed
--- /dev/null
+++ b/src/ui/settings.h
@@ -0,0 +1,43 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2021 GNUnet e.V.
+
+   GNUnet is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Affero General Public License as published
+   by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   GNUnet 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
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/*
+ * @author Tobias Frisch
+ * @file ui/settings.h
+ */
+
+#ifndef UI_SETTINGS_H_
+#define UI_SETTINGS_H_
+
+#include "messenger.h"
+
+typedef struct UI_SETTINGS_Handle
+{
+  GtkBuilder *builder;
+  HdyPreferencesWindow *dialog;
+} UI_SETTINGS_Handle;
+
+void
+ui_settings_dialog_init(MESSENGER_Application *app,
+                        UI_SETTINGS_Handle *handle);
+
+void
+ui_settings_dialog_cleanup(UI_SETTINGS_Handle *handle);
+
+#endif /* UI_SETTINGS_H_ */