Normalized text input via macro and added lobby-entering dialog

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

9 files changed, 270 insertions, 163 deletions

diff --git a/Makefile b/Makefile
index ee7f64c..1713bff 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,7 @@ SOURCES = messenger_cli.c\
           ui/accounts.c\
           ui/chat_open_dialog.c\
           ui/chats.c\
+          ui/lobby_enter_dialog.c\
           ui/members.c\
           ui/messages.c
 HEADERS = application.h\
@@ -21,8 +22,10 @@ HEADERS = application.h\
           ui/chat.h\
           ui/chat_open_dialog.h\
           ui/chats.h\
+          ui/lobby_enter_dialog.h\
           ui/members.h\
-          ui/messages.h
+          ui/messages.h\
+          ui/text_input.h
 
 LIBRARIES = gnunetchat gnunetutil ncurses
 
diff --git a/src/ui/account_create_dialog.c b/src/ui/account_create_dialog.c
index 5472bc7..f3c9394 100644
--- a/src/ui/account_create_dialog.c
+++ b/src/ui/account_create_dialog.c
@@ -24,12 +24,11 @@
 
 #include "account_create_dialog.h"
 
-#include <ctype.h>
-
 #include <gnunet/platform.h>
 #include <gnunet/gnunet_chat_lib.h>
 #include <gnunet/gnunet_util_lib.h>
 
+#include "text_input.h"
 #include "../application.h"
 #include "../util.h"
 
@@ -42,69 +41,21 @@ account_create_dialog_event(UI_ACCOUNT_CREATE_DIALOG_Handle *create_dialog,
   {
     case 27:
     case KEY_EXIT:
-    {
       create_dialog->window = NULL;
       break;
-    }
-    case KEY_LEFT:
-    {
-      create_dialog->name_pos--;
-      break;
-    }
-    case KEY_RIGHT:
-    {
-      create_dialog->name_pos++;
-      break;
-    }
     case '\n':
     case KEY_ENTER:
-    {
       if (create_dialog->name_len > 0)
         GNUNET_CHAT_account_create(app->chat.handle, create_dialog->name);
 
       create_dialog->name_len = 0;
       create_dialog->window = NULL;
       break;
-    }
-    case KEY_BACKSPACE:
-    {
-      if ((create_dialog->name_pos < create_dialog->name_len) &&
-          (create_dialog->name_pos > 0))
-        for (int i = create_dialog->name_pos; i < create_dialog->name_len; i++)
-          create_dialog->name[i - 1] = create_dialog->name[i];
-
-      if ((create_dialog->name_pos > 0) && (create_dialog->name_len > 0))
-      {
-        create_dialog->name_pos--;
-        create_dialog->name_len--;
-      }
-
-      break;
-    }
     default:
-    {
-      if (!isprint(key))
-        break;
-
-      for (int i = create_dialog->name_len - 1; i >= create_dialog->name_pos; i--)
-        create_dialog->name[i + 1] = create_dialog->name[i];
-
-      create_dialog->name[create_dialog->name_pos++] = (char) key;
-      create_dialog->name_len++;
       break;
-    }
   }
 
-  if (create_dialog->name_len > 255)
-    create_dialog->name_len = 255;
-
-  create_dialog->name[create_dialog->name_len] = '\0';
-
-  if (create_dialog->name_pos < 0)
-    create_dialog->name_pos = 0;
-
-  if (create_dialog->name_pos > create_dialog->name_len)
-    create_dialog->name_pos = create_dialog->name_len;
+  text_input_event(create_dialog->name, key);
 }
 
 void
diff --git a/src/ui/chat_open_dialog.c b/src/ui/chat_open_dialog.c
index 701b8e5..5b641d6 100644
--- a/src/ui/chat_open_dialog.c
+++ b/src/ui/chat_open_dialog.c
@@ -24,12 +24,11 @@
 
 #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 "text_input.h"
 #include "../application.h"
 #include "../util.h"
 
@@ -42,69 +41,21 @@ chat_open_dialog_event(UI_CHAT_OPEN_DIALOG_Handle *open_dialog,
   {
     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 (!isprint(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;
+  text_input_event(open_dialog->topic, key);
 }
 
 void
diff --git a/src/ui/chats.c b/src/ui/chats.c
index 1b472a8..1a25927 100644
--- a/src/ui/chats.c
+++ b/src/ui/chats.c
@@ -81,6 +81,11 @@ chats_event(UI_CHATS_Handle *chats,
     chat_open_dialog_event(&(chats->open_dialog), app, key);
     return;
   }
+  else if (chats->enter_dialog.window)
+  {
+    lobby_enter_dialog_event(&(chats->enter_dialog), app, key);
+    return;
+  }
 
   chats->line_index = 0;
   chats->selected = NULL;
@@ -140,8 +145,10 @@ chats_event(UI_CHATS_Handle *chats,
 
         app->chat.context = chats->selected;
       }
-      else
+      else if (chats->line_selected == count - 3)
         chats->open_dialog.window = &(chats->window);
+      else if (chats->line_selected == count - 1)
+        chats->enter_dialog.window = &(chats->window);
       break;
     }
     default:
@@ -238,6 +245,11 @@ chats_print(UI_CHATS_Handle *chats,
     chat_open_dialog_print(&(chats->open_dialog), app);
     return;
   }
+  else if (chats->enter_dialog.window)
+  {
+    lobby_enter_dialog_print(&(chats->enter_dialog), app);
+    return;
+  }
 
   if (!(chats->window))
     return;
diff --git a/src/ui/chats.h b/src/ui/chats.h
index 339cb9c..b355dc7 100644
--- a/src/ui/chats.h
+++ b/src/ui/chats.h
@@ -34,6 +34,8 @@
 
 #include "chat_open_dialog.h"
 
+#include "lobby_enter_dialog.h"
+
 struct MESSENGER_Application;
 
 typedef struct UI_CHATS_Handle
@@ -47,6 +49,8 @@ typedef struct UI_CHATS_Handle
   struct GNUNET_CHAT_Context *selected;
 
   UI_CHAT_OPEN_DIALOG_Handle open_dialog;
+
+  UI_LOBBY_ENTER_DIALOG_Handle enter_dialog;
 } UI_CHATS_Handle;
 
 #define UI_CHATS_ROWS_MIN 8
diff --git a/src/ui/lobby_enter_dialog.c b/src/ui/lobby_enter_dialog.c
new file mode 100644
index 0000000..6de4d1c
--- /dev/null
+++ b/src/ui/lobby_enter_dialog.c
@@ -0,0 +1,104 @@
+/*
+   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/lobby_enter_dialog.c
+ */
+
+#include "lobby_enter_dialog.h"
+
+#include <gnunet/platform.h>
+#include <gnunet/gnunet_chat_lib.h>
+#include <gnunet/gnunet_util_lib.h>
+
+#include "text_input.h"
+#include "../application.h"
+#include "../util.h"
+
+void
+lobby_enter_dialog_event(UI_LOBBY_ENTER_DIALOG_Handle *enter_dialog,
+                         struct MESSENGER_Application *app,
+                         int key)
+{
+  struct GNUNET_CHAT_Uri *uri;
+
+  switch (key)
+  {
+    case 27:
+    case KEY_EXIT:
+      if (enter_dialog->error)
+        GNUNET_free(enter_dialog->error);
+
+      enter_dialog->error = NULL;
+      enter_dialog->window = NULL;
+      break;
+    case '\n':
+    case KEY_ENTER:
+      if (enter_dialog->uri_len > 0)
+      {
+        if (enter_dialog->error)
+          GNUNET_free(enter_dialog->error);
+
+        enter_dialog->error = NULL;
+        uri = GNUNET_CHAT_uri_parse(enter_dialog->uri, &(enter_dialog->error));
+
+        if (uri)
+        {
+          GNUNET_CHAT_lobby_join(app->chat.handle, uri);
+          GNUNET_CHAT_uri_destroy(uri);
+
+          enter_dialog->uri_len = 0;
+          enter_dialog->window = NULL;
+        }
+      }
+
+      break;
+    default:
+      break;
+  }
+
+  text_input_event(enter_dialog->uri, key);
+}
+
+void
+lobby_enter_dialog_print(UI_LOBBY_ENTER_DIALOG_Handle *enter_dialog,
+                         UNUSED struct MESSENGER_Application *app)
+{
+  if (!(enter_dialog->window))
+    return;
+
+  WINDOW *window = *(enter_dialog->window);
+
+  werase(window);
+  wmove(window, 0, 0);
+
+  wprintw(window, "%s", enter_dialog->uri);
+
+  if (enter_dialog->error)
+  {
+    wmove(window, 1, 0);
+    wprintw(window, "ERROR: %s", enter_dialog->error);
+  }
+
+  wmove(window, 0, enter_dialog->uri_pos);
+
+  wcursyncup(window);
+  curs_set(1);
+}
diff --git a/src/ui/lobby_enter_dialog.h b/src/ui/lobby_enter_dialog.h
new file mode 100644
index 0000000..81ddeac
--- /dev/null
+++ b/src/ui/lobby_enter_dialog.h
@@ -0,0 +1,53 @@
+/*
+   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/lobby_enter_dialog.h
+ */
+
+#ifndef UI_LOBBY_ENTER_DIALOG_H_
+#define UI_LOBBY_ENTER_DIALOG_H_
+
+#include <stdlib.h>
+#include <curses.h>
+
+struct MESSENGER_Application;
+
+typedef struct UI_LOBBY_ENTER_DIALOG_Handle
+{
+  WINDOW **window;
+
+  char *error;
+
+  char uri [2048];
+  int uri_len;
+  int uri_pos;
+} UI_LOBBY_ENTER_DIALOG_Handle;
+
+void
+lobby_enter_dialog_event(UI_LOBBY_ENTER_DIALOG_Handle *enter_dialog,
+                         struct MESSENGER_Application *app,
+                         int key);
+
+void
+lobby_enter_dialog_print(UI_LOBBY_ENTER_DIALOG_Handle *enter_dialog,
+                         struct MESSENGER_Application *app);
+
+#endif /* UI_LOBBY_ENTER_DIALOG_H_ */
diff --git a/src/ui/messages.c b/src/ui/messages.c
index 1194f5b..211fe94 100644
--- a/src/ui/messages.c
+++ b/src/ui/messages.c
@@ -24,6 +24,7 @@
 
 #include "messages.h"
 
+#include "text_input.h"
 #include "../application.h"
 #include "../util.h"
 
@@ -39,8 +40,6 @@ _messages_iterate(UI_MESSAGES_Handle *messages,
     messages->selected = message;
 }
 
-
-
 void
 _messages_handle_message(UI_MESSAGES_Handle *messages)
 {
@@ -94,38 +93,19 @@ messages_event(UI_MESSAGES_Handle *messages,
   {
     case 27:
     case KEY_EXIT:
-    {
       app->chat.context = NULL;
       break;
-    }
-    case KEY_LEFT:
-    {
-      messages->text_pos--;
-      break;
-    }
-    case KEY_RIGHT:
-    {
-      messages->text_pos++;
-      break;
-    }
     case KEY_UP:
-    {
       messages->line_selected--;
       break;
-    }
     case KEY_DOWN:
-    {
       messages->line_selected++;
       break;
-    }
     case '\t':
-    {
       app->chat.show_members = TRUE;
       break;
-    }
     case '\n':
     case KEY_ENTER:
-    {
       if (messages->selected)
         _messages_handle_message(messages);
       else if (messages->text_len > 0)
@@ -134,55 +114,19 @@ messages_event(UI_MESSAGES_Handle *messages,
         messages->text_len = 0;
       }
       break;
-    }
     case KEY_BACKSPACE:
-    {
       if (messages->selected)
-      {
         GNUNET_CHAT_message_delete(
             messages->selected,
             GNUNET_TIME_relative_get_zero_()
         );
-        break;
-      }
-
-      if ((messages->text_pos < messages->text_len) &&
-          (messages->text_pos > 0))
-        for (int i = messages->text_pos; i < messages->text_len; i++)
-          messages->text[i - 1] = messages->text[i];
-
-      if ((messages->text_pos > 0) && (messages->text_len > 0))
-      {
-        messages->text_pos--;
-        messages->text_len--;
-      }
-
       break;
-    }
     default:
-    {
-      if ((messages->selected) || (!isprint(key)))
-        break;
-
-      for (int i = messages->text_len - 1; i >= messages->text_pos; i--)
-        messages->text[i + 1] = messages->text[i];
-
-      messages->text[messages->text_pos++] = (char) key;
-      messages->text_len++;
       break;
-    }
   }
 
-  if (messages->text_len >= TEXT_LEN_MAX)
-    messages->text_len = TEXT_LEN_MAX - 1;
-
-  messages->text[messages->text_len] = '\0';
-
-  if (messages->text_pos < 0)
-    messages->text_pos = 0;
-
-  if (messages->text_pos > messages->text_len)
-    messages->text_pos = messages->text_len;
+  if (!(messages->selected))
+    text_input_event(messages->text, key);
 
   if (messages->line_selected < 0)
     messages->line_selected = 0;
diff --git a/src/ui/text_input.h b/src/ui/text_input.h
new file mode 100644
index 0000000..8dc416f
--- /dev/null
+++ b/src/ui/text_input.h
@@ -0,0 +1,85 @@
+/*
+   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/text_input.h
+ */
+
+#ifndef UI_TEXT_INPUT_H_
+#define UI_TEXT_INPUT_H_
+
+#include <ctype.h>
+
+#define text_input_event(text, key) {                     \
+  switch (key)                                           \
+  {                                                      \
+    case KEY_LEFT:                                       \
+    {                                                    \
+      text##_pos--;                                      \
+      break;                                             \
+    }                                                    \
+    case KEY_RIGHT:                                      \
+    {                                                    \
+      text##_pos++;                                      \
+      break;                                             \
+    }                                                    \
+    case KEY_BACKSPACE:                                  \
+    {                                                    \
+      if ((text##_pos < text##_len) && (text##_pos > 0)) \
+        for (int i = text##_pos; i < text##_len; i++)    \
+          text[i - 1] = text[i];                         \
+                                                         \
+      if ((text##_pos > 0) && (text##_len > 0))          \
+      {                                                  \
+        text##_pos--;                                    \
+        text##_len--;                                    \
+      }                                                  \
+                                                         \
+      break;                                             \
+    }                                                    \
+    default:                                             \
+    {                                                    \
+      if (!isprint(key))                                 \
+        break;                                           \
+                                                         \
+      for (int i = text##_len - 1; i >= text##_pos; i--) \
+        text[i + 1] = text[i];                           \
+                                                         \
+      text[text##_pos++] = (char) key;                   \
+      text##_len++;                                      \
+      break;                                             \
+    }                                                    \
+  }                                                      \
+                                                         \
+  int max_len = (int) sizeof(text) - 1;                  \
+                                                         \
+  if (text##_len > max_len)                              \
+    text##_len = max_len;                                \
+                                                         \
+  text[text##_len] = '\0';                               \
+                                                         \
+  if (text##_pos < 0)                                    \
+    text##_pos = 0;                                      \
+                                                         \
+  if (text##_pos > text##_len)                           \
+    text##_pos = text##_len;                             \
+}
+
+#endif /* UI_TEXT_INPUT_H_ */