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/*
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);
const char *key = GNUNET_CHAT_contact_get_key(contact);
size_t key_len = key? strlen(key) : 0;
if (key_len > 4)
wprintw(members->window, "[%s]: %s", key + (key_len - 4), name);
else
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
);
}
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