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130 lines
2.2 KiB
130 lines
2.2 KiB
/* |
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* Copyright (C) 2014 Satoshi Noguchi |
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* Copyright (C) 2014 Synaptics Inc |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include <stdio.h> |
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#include <sys/ioctl.h> |
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#include <termios.h> |
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#include <unistd.h> |
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#include <string.h> |
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#include "display.h" |
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#define ESC 0x1B |
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// default display |
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void Display::Output(const char * buf) |
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{ |
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printf("%s", buf); |
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} |
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// ansi console |
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AnsiConsole::AnsiConsole() : Display() |
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{ |
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m_buf = NULL; |
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GetWindowSize(); |
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m_curX = 0; |
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m_curY = 0; |
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m_maxCurX = 0; |
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m_maxCurY = 0; |
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} |
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AnsiConsole::~AnsiConsole() |
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{ |
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delete [] m_buf; |
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} |
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void AnsiConsole::GetWindowSize() |
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{ |
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struct winsize winsz; |
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsz); |
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if (m_numRows != winsz.ws_row || m_numCols != winsz.ws_col) |
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{ |
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m_numRows = winsz.ws_row; |
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m_numCols = winsz.ws_col; |
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if (m_buf != NULL) |
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{ |
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delete [] m_buf; |
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} |
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m_buf = new char[m_numRows * m_numCols]; |
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Clear(); |
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} |
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} |
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void AnsiConsole::Output(const char * buf) |
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{ |
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char * p; |
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while (m_curY < m_numRows && |
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m_numCols * m_curY + m_curX < m_numRows * m_numCols) |
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{ |
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p = &(m_buf[m_numCols * m_curY + m_curX]); |
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if (*buf == '\0') |
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{ |
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break; |
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} |
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else if (*buf == '\n') |
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{ |
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memset(p, ' ', m_numCols - m_curX); |
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m_curX = 0; |
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m_curY++; |
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} |
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else if (m_curX < m_numCols) |
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{ |
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*p = *buf; |
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m_curX++; |
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} |
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buf++; |
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if (m_maxCurX < m_curX) m_maxCurX = m_curX; |
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if (m_maxCurY < m_curY) m_maxCurY = m_curY; |
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} |
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} |
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void AnsiConsole::Clear() |
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{ |
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printf("%c[2J", ESC); |
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} |
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void AnsiConsole::Reflesh() |
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{ |
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int i; |
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int j; |
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char * p; |
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printf("%c[%d;%dH", ESC, 0, 0); |
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for (j = 0; j < m_maxCurY; j++) |
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{ |
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p = &(m_buf[m_numCols * j]); |
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for (i = 0; i < m_maxCurX; i++) |
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{ |
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putc(*p, stdout); |
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p++; |
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} |
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putc('\n', stdout); |
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} |
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GetWindowSize(); |
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m_curX = 0; |
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m_curY = 0; |
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m_maxCurX = 0; |
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m_maxCurY = 0; |
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}
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