minetest.git - modified minetest for gpcfs purposes

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Diffstat (limited to 'src/keycode.h')

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/* Minetest-c55 Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef CHAT_HEADER #define CHAT_HEADER #include "irrlichttypes_bloated.h" #include <string> // Chat console related classes, only used by the client struct ChatLine { // age in seconds f32 age; // name of sending player, or empty if sent by server std::wstring name; // message text std::wstring text; ChatLine(std::wstring a_name, std::wstring a_text): age(0.0), name(a_name), text(a_text) { } }; struct ChatFormattedFragment { // text string std::wstring text; // starting column u32 column; // formatting //u8 bold:1; }; struct ChatFormattedLine { // Array of text fragments core::array<ChatFormattedFragment> fragments; // true if first line of one formatted ChatLine bool first; }; class ChatBuffer { public: ChatBuffer(u32 scrollback); ~ChatBuffer(); // Append chat line // Removes oldest chat line if scrollback size is reached void addLine(std::wstring name, std::wstring text); // Remove all chat lines void clear(); // Get number of lines currently in buffer. u32 getLineCount() const; // Get scrollback size, maximum number of lines in buffer. u32 getScrollback() const; // Get reference to i-th chat line. const ChatLine& getLine(u32 index) const; // Increase each chat line's age by dtime. void step(f32 dtime); // Delete oldest N chat lines. void deleteOldest(u32 count); // Delete lines older than maxAge. void deleteByAge(f32 maxAge); // Get number of columns, 0 if reformat has not been called yet. u32 getColumns() const; // Get number of rows, 0 if reformat has not been called yet. u32 getRows() const; // Update console size and reformat all formatted lines. void reformat(u32 cols, u32 rows); // Get formatted line for a given row (0 is top of screen). // Only valid after reformat has been called at least once const ChatFormattedLine& getFormattedLine(u32 row) const; // Scrolling in formatted buffer (relative) // positive rows == scroll up, negative rows == scroll down void scroll(s32 rows); // Scrolling in formatted buffer (absolute) void scrollAbsolute(s32 scroll); // Scroll to bottom of buffer (newest) void scrollBottom(); // Scroll to top of buffer (oldest) void scrollTop(); // Format a chat line for the given number of columns. // Appends the formatted lines to the destination array and // returns the number of formatted lines. u32 formatChatLine(const ChatLine& line, u32 cols, core::array<ChatFormattedLine>& destination) const; protected: s32 getTopScrollPos() const; s32 getBottomScrollPos() const; private: // Scrollback size u32 m_scrollback; // Array of unformatted chat lines core::array<ChatLine> m_unformatted; // Number of character columns in console u32 m_cols; // Number of character rows in console u32 m_rows; // Scroll position (console's top line index into m_formatted) s32 m_scroll; // Array of formatted lines core::array<ChatFormattedLine> m_formatted; // Empty formatted line, for error returns ChatFormattedLine m_empty_formatted_line; }; class ChatPrompt { public: ChatPrompt(std::wstring prompt, u32 history_limit); ~ChatPrompt(); // Input character void input(wchar_t ch); // Submit, clear and return current line std::wstring submit(); // Clear the current line


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