diff options
Diffstat (limited to 'src/ui/chats.c')
| -rw-r--r-- | src/ui/chats.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/ui/chats.c b/src/ui/chats.c new file mode 100644 index 0000000..991e43b --- /dev/null +++ b/src/ui/chats.c @@ -0,0 +1,189 @@ +/* + 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/chats.c + */ + +#include "chats.h" + +#include "../application.h" +#include "../util.h" + +static int +_chats_iterate(void *cls, + UNUSED struct GNUNET_CHAT_Handle *handle, + struct GNUNET_CHAT_Group *group) +{ + UI_CHATS_Handle *chats = cls; + + const bool selected = (chats->line_selected == chats->line_index); + + chats->line_index++; + + if (selected) + chats->selected = GNUNET_CHAT_group_get_context(group); + + return GNUNET_YES; +} + +static int +_chats_iterate_messages(void *cls, + UNUSED struct GNUNET_CHAT_Context *context, + const struct GNUNET_CHAT_Message *message) +{ + UI_MESSAGES_Handle *messages = cls; + + messages_add(messages, message); + + return GNUNET_YES; +} + +void +chats_event(UI_CHATS_Handle *chats, + MESSENGER_Application *app, + int key) +{ + chats->line_index = 0; + chats->selected = NULL; + + int count = GNUNET_CHAT_iterate_groups( + app->chat.handle, + &_chats_iterate, + chats + ); + + switch (key) + { + case 27: + case KEY_EXIT: + { + GNUNET_CHAT_disconnect(app->chat.handle); + break; + } + case KEY_UP: + { + chats->line_selected--; + break; + } + case KEY_DOWN: + { + chats->line_selected++; + break; + } + case '\n': + case KEY_ENTER: + { + if (chats->selected) + { + messages_clear(&(app->messages)); + + GNUNET_CHAT_context_iterate_messages( + chats->selected, + &_chats_iterate_messages, + &(app->messages) + ); + + GNUNET_CHAT_context_set_user_pointer( + chats->selected, + &(app->messages) + ); + + app->chat.context = chats->selected; + } + + break; + } + default: + break; + } + + if (chats->line_selected < 0) + chats->line_selected = 0; + else if (chats->line_selected >= count) + chats->line_selected = count - 1; + + if (!(chats->window)) + return; + + const int height = getmaxy(chats->window) - getbegy(chats->window); + const int y = chats->line_selected - chats->line_offset; + + if (y < 0) + chats->line_offset += y; + else if (y + 1 >= height) + chats->line_offset += y + 1 - height; + + if (chats->line_offset < 0) + chats->line_offset = 0; + else if (chats->line_offset >= count) + chats->line_offset = count - 1; +} + +int +_chats_iterate_print(void *cls, + UNUSED struct GNUNET_CHAT_Handle *handle, + struct GNUNET_CHAT_Group *group) +{ + UI_CHATS_Handle *chats = cls; + + const bool selected = (chats->line_selected == chats->line_index); + const int y = chats->line_index - chats->line_offset; + + chats->line_index++; + + if (y < 0) + return GNUNET_YES; + + const int height = getmaxy(chats->window) - getbegy(chats->window); + + if (y >= height) + return GNUNET_NO; + + const char *name = GNUNET_CHAT_group_get_name(group); + + const int attrs_select = A_BOLD; + + if (selected) wattron(chats->window, attrs_select); + + wmove(chats->window, y, 0); + wprintw(chats->window, "%s", name); + + if (selected) wattroff(chats->window, attrs_select); + + return GNUNET_YES; +} + +void +chats_print(UI_CHATS_Handle *chats, + MESSENGER_Application *app) +{ + if (!(chats->window)) + return; + + chats->line_index = 0; + werase(chats->window); + + GNUNET_CHAT_iterate_groups( + app->chat.handle, + &_chats_iterate_print, + chats + ); +} |