1 files changed, 122 insertions, 0 deletions
diff --git a/src/ui/chat_open_dialog.c b/src/ui/chat_open_dialog.c
new file mode 100644
index 0000000..4ebe8be
--- /dev/null
+++ b/src/ui/chat_open_dialog.c
@@ -0,0 +1,122 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2022 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/chat_open_dialog.c
+ */
+
+#include "chat_open_dialog.h"
+
+#include <ctype.h>
+
+#include <gnunet/platform.h>
+#include <gnunet/gnunet_chat_lib.h>
+#include <gnunet/gnunet_util_lib.h>
+
+#include "../application.h"
+#include "../util.h"
+
+void
+chat_open_dialog_event(UI_CHAT_OPEN_DIALOG_Handle *open_dialog,
+		       struct MESSENGER_Application *app,
+		       int key)
+{
+  switch (key)
+  {
+    case 27:
+    case KEY_EXIT:
+    {
+      open_dialog->window = NULL;
+      break;
+    }
+    case KEY_LEFT:
+    {
+      open_dialog->topic_pos--;
+      break;
+    }
+    case KEY_RIGHT:
+    {
+      open_dialog->topic_pos++;
+      break;
+    }
+    case '\n':
+    case KEY_ENTER:
+    {
+      if (open_dialog->topic_len > 0)
+	GNUNET_CHAT_group_create(app->chat.handle, open_dialog->topic);
+
+      open_dialog->topic_len = 0;
+      open_dialog->window = NULL;
+      break;
+    }
+    case KEY_BACKSPACE:
+    {
+      if ((open_dialog->topic_pos < open_dialog->topic_len) &&
+	(open_dialog->topic_pos > 0))
+      for (int i = open_dialog->topic_pos; i < open_dialog->topic_len; i++)
+	open_dialog->topic[i - 1] = open_dialog->topic[i];
+
+      if ((open_dialog->topic_pos > 0) && (open_dialog->topic_len > 0))
+      {
+	open_dialog->topic_pos--;
+	open_dialog->topic_len--;
+      }
+
+      break;
+    }
+    default:
+    {
+      if (!isalnum(key))
+      break;
+
+      for (int i = open_dialog->topic_len - 1; i >= open_dialog->topic_pos; i--)
+	open_dialog->topic[i + 1] = open_dialog->topic[i];
+
+      open_dialog->topic[open_dialog->topic_pos++] = (char) key;
+      open_dialog->topic_len++;
+      break;
+    }
+  }
+
+  if (open_dialog->topic_len > 255)
+    open_dialog->topic_len = 255;
+
+  open_dialog->topic[open_dialog->topic_len] = '\0';
+
+  if (open_dialog->topic_pos < 0)
+    open_dialog->topic_pos = 0;
+
+  if (open_dialog->topic_pos > open_dialog->topic_len)
+    open_dialog->topic_pos = open_dialog->topic_len;
+}
+
+void
+chat_open_dialog_print(UI_CHAT_OPEN_DIALOG_Handle *open_dialog,
+		       UNUSED struct MESSENGER_Application *app)
+{
+  if (!(open_dialog->window))
+    return;
+
+  werase(open_dialog->window);
+  wmove(open_dialog->window, 0, 0);
+
+  wprintw(open_dialog->window, "%s", open_dialog->topic);
+  wmove(open_dialog->window, 0, open_dialog->topic_pos);
+}