diff options
Diffstat (limited to 'src/ui/members.c')
| -rw-r--r-- | src/ui/members.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/src/ui/members.c b/src/ui/members.c new file mode 100644 index 0000000..c500d58 --- /dev/null +++ b/src/ui/members.c @@ -0,0 +1,217 @@ +/* + 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/members.c + */ + +#include "members.h" + +#include "../application.h" +#include "../util.h" + +void +members_event(UI_MEMBERS_Handle *members, + struct MESSENGER_Application *app, + int key) +{ + members->line_index = 0; + members->selected = NULL; + + int count = 0; + + UI_MEMBERS_List *element = members->head; + while (element) + { + count++; + + element = element->next; + } + + switch (key) + { + case 27: + case KEY_EXIT: + case '\t': + { + app->chat.show_members = FALSE; + break; + } + case KEY_UP: + { + members->line_selected--; + break; + } + case KEY_DOWN: + { + members->line_selected++; + break; + } + case '\n': + case KEY_ENTER: + { + if (members->selected) + { + // TODO + } + + break; + } + default: + break; + } + + if (members->line_selected < 0) + members->line_selected = 0; + else if (members->line_selected >= count) + members->line_selected = count - 1; + + if (!(members->window)) + return; + + const int height = getmaxy(members->window) - getbegy(members->window); + const int y = members->line_selected - members->line_offset; + + if (y < 0) + members->line_offset += y; + else if (y + 1 >= height) + members->line_offset += y + 1 - height; + + if (members->line_offset < 0) + members->line_offset = 0; + else if (members->line_offset >= count) + members->line_offset = count - 1; +} + +static void +_members_iterate_print(UI_MEMBERS_Handle *members, + const struct GNUNET_CHAT_Contact *contact) +{ + const bool selected = (members->line_selected == members->line_index); + const int y = members->line_index - members->line_offset; + + members->line_index++; + + if (y < 0) + return; + + const int height = getmaxy(members->window) - getbegy(members->window); + + if (y >= height) + return; + + const int attrs_select = A_BOLD; + + if (selected) wattron(members->window, attrs_select); + + wmove(members->window, y, 0); + + const char *name = GNUNET_CHAT_contact_get_name(contact); + wprintw(members->window, "%s", name); + + if (selected) wattroff(members->window, attrs_select); +} + +void +members_print(UI_MEMBERS_Handle *members) +{ + if (!(members->window)) + return; + + members->line_index = 0; + werase(members->window); + + UI_MEMBERS_List *element = members->head; + while (element) + { + _members_iterate_print(members, element->contact); + + element = element->next; + } +} + +void +members_clear(UI_MEMBERS_Handle *members) +{ + UI_MEMBERS_List *element; + while (members->head) + { + element = members->head; + + GNUNET_CONTAINER_DLL_remove( + members->head, + members->tail, + element + ); + + GNUNET_free(element); + } + + members->line_selected = 0; +} + +bool +members_add(UI_MEMBERS_Handle *members, + const struct GNUNET_CHAT_Contact *contact) +{ + UI_MEMBERS_List *element = members->head; + while (element) + { + if (element->contact == contact) + break; + + element = element->next; + } + + if (element) + return FALSE; + + element = GNUNET_new(UI_MEMBERS_List); + element->contact = contact; + + GNUNET_CONTAINER_DLL_insert_tail( + members->head, + members->tail, + element + ); + + return TRUE; +} + +void +members_remove(UI_MEMBERS_Handle *members, + const struct GNUNET_CHAT_Contact *contact) +{ + UI_MEMBERS_List *element = members->head; + while (element) + { + if (element->contact == contact) + break; + + element = element->next; + } + + if (element) + GNUNET_CONTAINER_DLL_remove( + members->head, + members->tail, + element + ); +} |