mirror of
https://github.com/minetest/minetest.git
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904 lines
22 KiB
C++
904 lines
22 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "chat.h"
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#include <algorithm>
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#include <cctype>
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#include <sstream>
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#include "config.h"
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#include "debug.h"
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#include "util/strfnd.h"
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#include "util/string.h"
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#include "util/numeric.h"
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ChatBuffer::ChatBuffer(u32 scrollback):
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m_scrollback(scrollback)
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{
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if (m_scrollback == 0)
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m_scrollback = 1;
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m_empty_formatted_line.first = true;
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m_cache_clickable_chat_weblinks = false;
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// Curses mode cannot access g_settings here
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if (g_settings != nullptr) {
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m_cache_clickable_chat_weblinks = g_settings->getBool("clickable_chat_weblinks");
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if (m_cache_clickable_chat_weblinks) {
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std::string colorval = g_settings->get("chat_weblink_color");
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parseColorString(colorval, m_cache_chat_weblink_color, false, 255);
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m_cache_chat_weblink_color.setAlpha(255);
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}
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}
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}
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void ChatBuffer::addLine(const std::wstring &name, const std::wstring &text)
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{
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m_lines_modified = true;
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ChatLine line(name, text);
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m_unformatted.push_back(line);
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if (m_rows > 0) {
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// m_formatted is valid and must be kept valid
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bool scrolled_at_bottom = (m_scroll == getBottomScrollPos());
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u32 num_added = formatChatLine(line, m_cols, m_formatted);
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if (scrolled_at_bottom)
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m_scroll += num_added;
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}
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// Limit number of lines by m_scrollback
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if (m_unformatted.size() > m_scrollback) {
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deleteOldest(m_unformatted.size() - m_scrollback);
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}
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}
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void ChatBuffer::clear()
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{
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m_unformatted.clear();
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m_formatted.clear();
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m_scroll = 0;
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m_lines_modified = true;
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}
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u32 ChatBuffer::getLineCount() const
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{
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return m_unformatted.size();
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}
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const ChatLine& ChatBuffer::getLine(u32 index) const
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{
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assert(index < getLineCount()); // pre-condition
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return m_unformatted[index];
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}
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void ChatBuffer::step(f32 dtime)
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{
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for (ChatLine &line : m_unformatted) {
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line.age += dtime;
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}
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}
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void ChatBuffer::deleteOldest(u32 count)
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{
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bool at_bottom = (m_scroll == getBottomScrollPos());
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u32 del_unformatted = 0;
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u32 del_formatted = 0;
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while (count > 0 && del_unformatted < m_unformatted.size()) {
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++del_unformatted;
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// keep m_formatted in sync
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if (del_formatted < m_formatted.size()) {
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sanity_check(m_formatted[del_formatted].first);
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++del_formatted;
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while (del_formatted < m_formatted.size() &&
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!m_formatted[del_formatted].first)
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++del_formatted;
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}
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--count;
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}
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m_unformatted.erase(m_unformatted.begin(), m_unformatted.begin() + del_unformatted);
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m_formatted.erase(m_formatted.begin(), m_formatted.begin() + del_formatted);
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if (del_unformatted > 0)
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m_lines_modified = true;
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if (at_bottom)
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m_scroll = getBottomScrollPos();
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else
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scrollAbsolute(m_scroll - del_formatted);
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}
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void ChatBuffer::deleteByAge(f32 maxAge)
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{
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u32 count = 0;
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while (count < m_unformatted.size() && m_unformatted[count].age > maxAge)
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++count;
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deleteOldest(count);
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}
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u32 ChatBuffer::getRows() const
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{
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return m_rows;
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}
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void ChatBuffer::reformat(u32 cols, u32 rows)
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{
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if (cols == 0 || rows == 0)
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{
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// Clear formatted buffer
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m_cols = 0;
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m_rows = 0;
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m_scroll = 0;
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m_formatted.clear();
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}
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else if (cols != m_cols || rows != m_rows)
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{
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// TODO: Avoid reformatting ALL lines (even invisible ones)
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// each time the console size changes.
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// Find out the scroll position in *unformatted* lines
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u32 restore_scroll_unformatted = 0;
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u32 restore_scroll_formatted = 0;
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bool at_bottom = (m_scroll == getBottomScrollPos());
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if (!at_bottom)
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{
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for (s32 i = 0; i < m_scroll; ++i)
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{
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if (m_formatted[i].first)
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++restore_scroll_unformatted;
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}
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}
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// If number of columns change, reformat everything
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if (cols != m_cols)
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{
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m_formatted.clear();
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for (u32 i = 0; i < m_unformatted.size(); ++i)
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{
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if (i == restore_scroll_unformatted)
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restore_scroll_formatted = m_formatted.size();
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formatChatLine(m_unformatted[i], cols, m_formatted);
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}
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}
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// Update the console size
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m_cols = cols;
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m_rows = rows;
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// Restore the scroll position
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if (at_bottom)
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{
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scrollBottom();
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}
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else
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{
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scrollAbsolute(restore_scroll_formatted);
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}
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}
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}
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const ChatFormattedLine& ChatBuffer::getFormattedLine(u32 row) const
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{
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s32 index = m_scroll + (s32) row;
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if (index >= 0 && index < (s32) m_formatted.size())
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return m_formatted[index];
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return m_empty_formatted_line;
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}
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void ChatBuffer::scroll(s32 rows)
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{
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scrollAbsolute(m_scroll + rows);
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}
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void ChatBuffer::scrollAbsolute(s32 scroll)
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{
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s32 top = getTopScrollPos();
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s32 bottom = getBottomScrollPos();
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m_scroll = scroll;
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if (m_scroll < top)
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m_scroll = top;
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if (m_scroll > bottom)
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m_scroll = bottom;
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}
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void ChatBuffer::scrollBottom()
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{
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m_scroll = getBottomScrollPos();
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}
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u32 ChatBuffer::formatChatLine(const ChatLine &line, u32 cols,
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std::vector<ChatFormattedLine> &destination) const
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{
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u32 num_added = 0;
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std::vector<ChatFormattedFragment> next_frags;
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ChatFormattedLine next_line;
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ChatFormattedFragment temp_frag;
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u32 out_column = 0;
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u32 in_pos = 0;
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u32 hanging_indentation = 0;
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// Format the sender name and produce fragments
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if (!line.name.empty()) {
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temp_frag.text = L"<";
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temp_frag.column = 0;
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//temp_frag.bold = 0;
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next_frags.push_back(temp_frag);
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temp_frag.text = line.name;
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temp_frag.column = 0;
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//temp_frag.bold = 1;
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next_frags.push_back(temp_frag);
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temp_frag.text = L"> ";
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temp_frag.column = 0;
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//temp_frag.bold = 0;
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next_frags.push_back(temp_frag);
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}
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std::wstring name_sanitized = line.name.c_str();
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// Choose an indentation level
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if (line.name.empty()) {
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// Server messages
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hanging_indentation = 0;
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} else if (name_sanitized.size() + 3 <= cols/2) {
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// Names shorter than about half the console width
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hanging_indentation = line.name.size() + 3;
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} else {
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// Very long names
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hanging_indentation = 2;
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}
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// If there are no columns remaining after the indentation (window is very
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// narrow), we can't write anything
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if (hanging_indentation >= cols)
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return 0;
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next_line.first = true;
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// Set/use forced newline after the last frag in each line
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bool mark_newline = false;
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// Produce fragments and layout them into lines
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while (!next_frags.empty() || in_pos < line.text.size()) {
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mark_newline = false; // now using this to USE line-end frag
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// Layout fragments into lines
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while (!next_frags.empty()) {
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ChatFormattedFragment& frag = next_frags[0];
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// Force newline after this frag, if marked
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if (frag.column == INT_MAX)
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mark_newline = true;
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if (frag.text.size() <= cols - out_column) {
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// Fragment fits into current line
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frag.column = out_column;
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next_line.fragments.push_back(frag);
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out_column += frag.text.size();
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next_frags.erase(next_frags.begin());
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} else {
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// Fragment does not fit into current line
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// So split it up
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temp_frag.text = frag.text.substr(0, cols - out_column);
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temp_frag.column = out_column;
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temp_frag.weblink = frag.weblink;
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next_line.fragments.push_back(temp_frag);
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frag.text = frag.text.substr(cols - out_column);
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frag.column = 0;
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out_column = cols;
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}
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if (out_column == cols || mark_newline) {
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// End the current line
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destination.push_back(next_line);
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num_added++;
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next_line.fragments.clear();
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next_line.first = false;
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out_column = hanging_indentation;
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mark_newline = false;
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}
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}
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// Produce fragment(s) for next formatted line
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if (!(in_pos < line.text.size()))
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continue;
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const std::wstring &linestring = line.text.getString();
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u32 remaining_in_output = cols - out_column;
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size_t http_pos = std::wstring::npos;
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mark_newline = false; // now using this to SET line-end frag
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// Construct all frags for next output line
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while (!mark_newline) {
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// Determine a fragment length <= the minimum of
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// remaining_in_{in,out}put. Try to end the fragment
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// on a word boundary.
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u32 frag_length = 0, space_pos = 0;
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u32 remaining_in_input = line.text.size() - in_pos;
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if (m_cache_clickable_chat_weblinks) {
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// Note: unsigned(-1) on fail
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http_pos = linestring.find(L"https://", in_pos);
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if (http_pos == std::wstring::npos)
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http_pos = linestring.find(L"http://", in_pos);
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if (http_pos != std::wstring::npos)
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http_pos -= in_pos;
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}
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while (frag_length < remaining_in_input &&
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frag_length < remaining_in_output) {
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if (iswspace(linestring[in_pos + frag_length]))
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space_pos = frag_length;
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++frag_length;
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}
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if (http_pos >= remaining_in_output) {
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// Http not in range, grab until space or EOL, halt as normal.
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// Note this works because (http_pos = npos) is unsigned(-1)
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mark_newline = true;
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} else if (http_pos == 0) {
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// At http, grab ALL until FIRST whitespace or end marker. loop.
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// If at end of string, next loop will be empty string to mark end of weblink.
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frag_length = 6; // Frag is at least "http://"
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// Chars to mark end of weblink
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// TODO? replace this with a safer (slower) regex whitelist?
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static const std::wstring delim_chars = L"\'\";";
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wchar_t tempchar = linestring[in_pos+frag_length];
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while (frag_length < remaining_in_input &&
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!iswspace(tempchar) &&
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delim_chars.find(tempchar) == std::wstring::npos) {
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++frag_length;
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tempchar = linestring[in_pos+frag_length];
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}
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// Remove tailing punctuation characters
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static const std::wstring tailing_chars = L",.";
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tempchar = linestring[in_pos+frag_length - 1];
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if (tailing_chars.find(tempchar) != std::wstring::npos) {
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frag_length--;
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}
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space_pos = frag_length - 1;
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// This frag may need to be force-split. That's ok, urls aren't "words"
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if (frag_length >= remaining_in_output) {
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mark_newline = true;
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}
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} else {
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// Http in range, grab until http, loop
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space_pos = http_pos - 1;
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frag_length = http_pos;
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}
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// Include trailing space in current frag
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if (space_pos != 0 && frag_length < remaining_in_input)
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frag_length = space_pos + 1;
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temp_frag.text = line.text.substr(in_pos, frag_length);
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// A hack so this frag remembers mark_newline for the layout phase
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temp_frag.column = mark_newline ? INT_MAX : 0;
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if (http_pos == 0) {
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// Discard color stuff from the source frag
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temp_frag.text = EnrichedString(temp_frag.text.getString());
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temp_frag.text.setDefaultColor(m_cache_chat_weblink_color);
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// Set weblink in the frag meta
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temp_frag.weblink = wide_to_utf8(temp_frag.text.getString());
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} else {
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temp_frag.weblink.clear();
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}
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next_frags.push_back(temp_frag);
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in_pos += frag_length;
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remaining_in_output -= std::min(frag_length, remaining_in_output);
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}
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}
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// End the last line
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if (num_added == 0 || !next_line.fragments.empty()) {
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destination.push_back(next_line);
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num_added++;
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}
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return num_added;
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}
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s32 ChatBuffer::getTopScrollPos() const
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{
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s32 formatted_count = (s32) m_formatted.size();
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s32 rows = (s32) m_rows;
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if (rows == 0)
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return 0;
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if (formatted_count <= rows)
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return formatted_count - rows;
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return 0;
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}
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s32 ChatBuffer::getBottomScrollPos() const
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{
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s32 formatted_count = (s32) m_formatted.size();
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s32 rows = (s32) m_rows;
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if (rows == 0)
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return 0;
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return formatted_count - rows;
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}
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void ChatBuffer::resize(u32 scrollback)
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{
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m_scrollback = scrollback;
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if (m_unformatted.size() > m_scrollback)
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deleteOldest(m_unformatted.size() - m_scrollback);
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}
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ChatPrompt::ChatPrompt(const std::wstring &prompt, u32 history_limit):
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m_prompt(prompt),
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m_history_limit(history_limit)
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{
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}
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const std::wstring &ChatPrompt::getLineRef() const
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{
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return m_history_index >= m_history.size() ? m_line : m_history[m_history_index].line;
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}
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std::wstring &ChatPrompt::makeLineRef()
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{
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if (m_history_index >= m_history.size()) {
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return m_line;
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} else {
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if (!m_history[m_history_index].saved)
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m_history[m_history_index].saved = m_history[m_history_index].line;
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return m_history[m_history_index].line;
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}
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}
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bool ChatPrompt::HistoryEntry::operator==(const ChatPrompt::HistoryEntry &other)
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{
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if (line != other.line)
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return false;
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if (saved == other.saved)
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return true;
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if ((!saved || saved == line) && (!other.saved || other.saved == other.line))
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return true;
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return false;
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}
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void ChatPrompt::input(wchar_t ch)
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{
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makeLineRef().insert(m_cursor, 1, ch);
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m_cursor++;
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clampView();
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m_nick_completion_start = 0;
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m_nick_completion_end = 0;
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}
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void ChatPrompt::input(const std::wstring &str)
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{
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makeLineRef().insert(m_cursor, str);
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m_cursor += str.size();
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clampView();
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m_nick_completion_start = 0;
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m_nick_completion_end = 0;
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}
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void ChatPrompt::addToHistory(const std::wstring &line)
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{
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std::wstring old_line = getLine();
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if (m_history_index < m_history.size()) {
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auto entry = m_history.begin() + m_history_index;
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if (entry->saved && entry->line == line) {
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entry->line = *entry->saved;
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entry->saved = std::nullopt;
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// Remove potential duplicates
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auto dup_before = std::find(m_history.begin(), entry, *entry);
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if (dup_before != entry)
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m_history.erase(dup_before);
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else if (std::find(entry + 1, m_history.end(), *entry) != m_history.end())
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m_history.erase(entry);
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}
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}
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if (!line.empty() &&
|
|
(m_history.size() == 0 || m_history.back().line != line)) {
|
|
HistoryEntry entry(line);
|
|
// Remove all duplicates
|
|
m_history.erase(std::remove(m_history.begin(), m_history.end(), entry),
|
|
m_history.end());
|
|
// Push unique line
|
|
m_history.push_back(std::move(entry));
|
|
}
|
|
if (m_history.size() > m_history_limit)
|
|
m_history.erase(m_history.begin());
|
|
m_history_index = m_history.size();
|
|
m_line = std::move(old_line);
|
|
}
|
|
|
|
void ChatPrompt::clear()
|
|
{
|
|
makeLineRef().clear();
|
|
m_view = 0;
|
|
m_cursor = 0;
|
|
m_nick_completion_start = 0;
|
|
m_nick_completion_end = 0;
|
|
}
|
|
|
|
std::wstring ChatPrompt::replace(const std::wstring &line)
|
|
{
|
|
std::wstring old_line = getLine();
|
|
makeLineRef() = line;
|
|
m_view = m_cursor = line.size();
|
|
clampView();
|
|
m_nick_completion_start = 0;
|
|
m_nick_completion_end = 0;
|
|
return old_line;
|
|
}
|
|
|
|
void ChatPrompt::historyPrev()
|
|
{
|
|
if (m_history_index != 0) {
|
|
--m_history_index;
|
|
m_view = m_cursor = getLineRef().size();
|
|
clampView();
|
|
m_nick_completion_start = 0;
|
|
m_nick_completion_end = 0;
|
|
}
|
|
}
|
|
|
|
void ChatPrompt::historyNext()
|
|
{
|
|
if (m_history_index < m_history.size()) {
|
|
m_history_index++;
|
|
m_view = m_cursor = getLineRef().size();
|
|
clampView();
|
|
m_nick_completion_start = 0;
|
|
m_nick_completion_end = 0;
|
|
}
|
|
}
|
|
|
|
void ChatPrompt::nickCompletion(const std::set<std::string> &names, bool backwards)
|
|
{
|
|
const std::wstring_view line(getLineRef());
|
|
// Two cases:
|
|
// (a) m_nick_completion_start == m_nick_completion_end == 0
|
|
// Then no previous nick completion is active.
|
|
// Get the word around the cursor and replace with any nick
|
|
// that has that word as a prefix.
|
|
// (b) else, continue a previous nick completion.
|
|
// m_nick_completion_start..m_nick_completion_end are the
|
|
// interval where the originally used prefix was. Cycle
|
|
// through the list of completions of that prefix.
|
|
u32 prefix_start = m_nick_completion_start;
|
|
u32 prefix_end = m_nick_completion_end;
|
|
bool initial = (prefix_end == 0);
|
|
if (initial)
|
|
{
|
|
// no previous nick completion is active
|
|
prefix_start = prefix_end = m_cursor;
|
|
while (prefix_start > 0 && !iswspace(line[prefix_start-1]))
|
|
--prefix_start;
|
|
while (prefix_end < line.size() && !iswspace(line[prefix_end]))
|
|
++prefix_end;
|
|
if (prefix_start == prefix_end)
|
|
return;
|
|
}
|
|
auto prefix = line.substr(prefix_start, prefix_end - prefix_start);
|
|
|
|
// find all names that start with the selected prefix
|
|
std::vector<std::wstring> completions;
|
|
for (const std::string &name : names) {
|
|
std::wstring completion = utf8_to_wide(name);
|
|
if (str_starts_with(completion, prefix, true)) {
|
|
if (prefix_start == 0)
|
|
completion += L": ";
|
|
completions.push_back(completion);
|
|
}
|
|
}
|
|
|
|
if (completions.empty())
|
|
return;
|
|
|
|
// find a replacement string and the word that will be replaced
|
|
u32 word_end = prefix_end;
|
|
u32 replacement_index = 0;
|
|
if (!initial)
|
|
{
|
|
while (word_end < line.size() && !iswspace(line[word_end]))
|
|
++word_end;
|
|
auto word = line.substr(prefix_start, word_end - prefix_start);
|
|
|
|
// cycle through completions
|
|
for (u32 i = 0; i < completions.size(); ++i)
|
|
{
|
|
if (str_equal(word, completions[i], true))
|
|
{
|
|
if (backwards)
|
|
replacement_index = i + completions.size() - 1;
|
|
else
|
|
replacement_index = i + 1;
|
|
replacement_index %= completions.size();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
const auto &replacement = completions[replacement_index];
|
|
if (word_end < line.size() && iswspace(line[word_end]))
|
|
++word_end;
|
|
|
|
// replace existing word with replacement word,
|
|
// place the cursor at the end and record the completion prefix
|
|
makeLineRef().replace(prefix_start, word_end - prefix_start, replacement);
|
|
m_cursor = prefix_start + replacement.size();
|
|
clampView();
|
|
m_nick_completion_start = prefix_start;
|
|
m_nick_completion_end = prefix_end;
|
|
}
|
|
|
|
void ChatPrompt::reformat(u32 cols)
|
|
{
|
|
if (cols <= m_prompt.size())
|
|
{
|
|
m_cols = 0;
|
|
m_view = m_cursor;
|
|
}
|
|
else
|
|
{
|
|
s32 length = getLineRef().size();
|
|
bool was_at_end = (m_view + m_cols >= length + 1);
|
|
m_cols = cols - m_prompt.size();
|
|
if (was_at_end)
|
|
m_view = length;
|
|
clampView();
|
|
}
|
|
}
|
|
|
|
std::wstring ChatPrompt::getVisiblePortion() const
|
|
{
|
|
const std::wstring &line_ref = getLineRef();
|
|
if ((size_t)m_view >= line_ref.size())
|
|
return m_prompt;
|
|
else
|
|
return m_prompt + line_ref.substr(m_view, m_cols);
|
|
}
|
|
|
|
s32 ChatPrompt::getVisibleCursorPosition() const
|
|
{
|
|
return m_cursor - m_view + m_prompt.size();
|
|
}
|
|
|
|
void ChatPrompt::cursorOperation(CursorOp op, CursorOpDir dir, CursorOpScope scope)
|
|
{
|
|
s32 old_cursor = m_cursor;
|
|
s32 new_cursor = m_cursor;
|
|
|
|
const std::wstring &line = getLineRef();
|
|
s32 length = line.size();
|
|
s32 increment = (dir == CURSOROP_DIR_RIGHT) ? 1 : -1;
|
|
|
|
switch (scope) {
|
|
case CURSOROP_SCOPE_CHARACTER:
|
|
new_cursor += increment;
|
|
break;
|
|
case CURSOROP_SCOPE_WORD:
|
|
if (dir == CURSOROP_DIR_RIGHT) {
|
|
// skip one word to the right
|
|
while (new_cursor < length && iswspace(line[new_cursor]))
|
|
new_cursor++;
|
|
while (new_cursor < length && !iswspace(line[new_cursor]))
|
|
new_cursor++;
|
|
while (new_cursor < length && iswspace(line[new_cursor]))
|
|
new_cursor++;
|
|
} else {
|
|
// skip one word to the left
|
|
while (new_cursor >= 1 && iswspace(line[new_cursor - 1]))
|
|
new_cursor--;
|
|
while (new_cursor >= 1 && !iswspace(line[new_cursor - 1]))
|
|
new_cursor--;
|
|
}
|
|
break;
|
|
case CURSOROP_SCOPE_LINE:
|
|
new_cursor += increment * length;
|
|
break;
|
|
case CURSOROP_SCOPE_SELECTION:
|
|
break;
|
|
}
|
|
|
|
new_cursor = MYMAX(MYMIN(new_cursor, length), 0);
|
|
|
|
switch (op) {
|
|
case CURSOROP_MOVE:
|
|
m_cursor = new_cursor;
|
|
m_cursor_len = 0;
|
|
break;
|
|
case CURSOROP_DELETE:
|
|
if (m_cursor_len > 0) { // Delete selected text first
|
|
makeLineRef().erase(m_cursor, m_cursor_len);
|
|
} else {
|
|
m_cursor = MYMIN(new_cursor, old_cursor);
|
|
makeLineRef().erase(m_cursor, abs(new_cursor - old_cursor));
|
|
}
|
|
m_cursor_len = 0;
|
|
break;
|
|
case CURSOROP_SELECT:
|
|
if (scope == CURSOROP_SCOPE_LINE) {
|
|
m_cursor = 0;
|
|
m_cursor_len = length;
|
|
} else {
|
|
m_cursor = MYMIN(new_cursor, old_cursor);
|
|
m_cursor_len += abs(new_cursor - old_cursor);
|
|
m_cursor_len = MYMIN(m_cursor_len, length - m_cursor);
|
|
}
|
|
break;
|
|
}
|
|
|
|
clampView();
|
|
|
|
m_nick_completion_start = 0;
|
|
m_nick_completion_end = 0;
|
|
}
|
|
|
|
void ChatPrompt::clampView()
|
|
{
|
|
s32 length = getLineRef().size();
|
|
if (length + 1 <= m_cols)
|
|
{
|
|
m_view = 0;
|
|
}
|
|
else
|
|
{
|
|
m_view = MYMIN(m_view, length + 1 - m_cols);
|
|
m_view = MYMIN(m_view, m_cursor);
|
|
m_view = MYMAX(m_view, m_cursor - m_cols + 1);
|
|
m_view = MYMAX(m_view, 0);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
ChatBackend::ChatBackend():
|
|
m_console_buffer(1500),
|
|
m_recent_buffer(6),
|
|
m_prompt(L"]", 1500)
|
|
{
|
|
}
|
|
|
|
void ChatBackend::addMessage(const std::wstring &name, std::wstring text)
|
|
{
|
|
// Note: A message may consist of multiple lines, for example the MOTD.
|
|
text = translate_string(text);
|
|
WStrfnd fnd(text);
|
|
while (!fnd.at_end())
|
|
{
|
|
std::wstring line = fnd.next(L"\n");
|
|
m_console_buffer.addLine(name, line);
|
|
m_recent_buffer.addLine(name, line);
|
|
}
|
|
}
|
|
|
|
void ChatBackend::addUnparsedMessage(std::wstring message)
|
|
{
|
|
// TODO: Remove the need to parse chat messages client-side, by sending
|
|
// separate name and text fields in TOCLIENT_CHAT_MESSAGE.
|
|
|
|
if (message.size() >= 2 && message[0] == L'<')
|
|
{
|
|
std::size_t closing = message.find_first_of(L'>', 1);
|
|
if (closing != std::wstring::npos &&
|
|
closing + 2 <= message.size() &&
|
|
message[closing+1] == L' ')
|
|
{
|
|
std::wstring name = message.substr(1, closing - 1);
|
|
std::wstring text = message.substr(closing + 2);
|
|
addMessage(name, text);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Unable to parse, probably a server message.
|
|
addMessage(L"", message);
|
|
}
|
|
|
|
ChatBuffer& ChatBackend::getConsoleBuffer()
|
|
{
|
|
return m_console_buffer;
|
|
}
|
|
|
|
ChatBuffer& ChatBackend::getRecentBuffer()
|
|
{
|
|
return m_recent_buffer;
|
|
}
|
|
|
|
EnrichedString ChatBackend::getRecentChat() const
|
|
{
|
|
EnrichedString result;
|
|
for (u32 i = 0; i < m_recent_buffer.getLineCount(); ++i) {
|
|
const ChatLine& line = m_recent_buffer.getLine(i);
|
|
if (i != 0)
|
|
result += L"\n";
|
|
if (!line.name.empty()) {
|
|
result += L"<";
|
|
result += line.name;
|
|
result += L"> ";
|
|
}
|
|
result += line.text;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
ChatPrompt& ChatBackend::getPrompt()
|
|
{
|
|
return m_prompt;
|
|
}
|
|
|
|
void ChatBackend::reformat(u32 cols, u32 rows)
|
|
{
|
|
m_console_buffer.reformat(cols, rows);
|
|
|
|
// no need to reformat m_recent_buffer, its formatted lines
|
|
// are not used
|
|
|
|
m_prompt.reformat(cols);
|
|
}
|
|
|
|
void ChatBackend::clearRecentChat()
|
|
{
|
|
m_recent_buffer.clear();
|
|
}
|
|
|
|
|
|
void ChatBackend::applySettings()
|
|
{
|
|
u32 recent_lines = g_settings->getU32("recent_chat_messages");
|
|
recent_lines = rangelim(recent_lines, 2, 20);
|
|
m_recent_buffer.resize(recent_lines);
|
|
}
|
|
|
|
void ChatBackend::step(float dtime)
|
|
{
|
|
m_recent_buffer.step(dtime);
|
|
m_recent_buffer.deleteByAge(60.0);
|
|
|
|
// no need to age messages in anything but m_recent_buffer
|
|
}
|
|
|
|
void ChatBackend::scroll(s32 rows)
|
|
{
|
|
m_console_buffer.scroll(rows);
|
|
}
|
|
|
|
void ChatBackend::scrollPageDown()
|
|
{
|
|
m_console_buffer.scroll(m_console_buffer.getRows());
|
|
}
|
|
|
|
void ChatBackend::scrollPageUp()
|
|
{
|
|
m_console_buffer.scroll(-(s32)m_console_buffer.getRows());
|
|
}
|