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////////////////////////// -*-C++-*- /////////////////////////////////////////
//
// Tui.cpp
//
// Spew
//
// Copyright (C) 2004 Hewlett-Packard Corp.
//
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation version 2 of the License.
//
// 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 675 Mass Ave, Cambridge, MA 02139, USA.
using namespace std;
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <ncurses.h>
#include <sys/ioctl.h>
#include "common.h"
#include "Tui.h"
////////////////////////// Tui::Tui() ///////////////////////////////////////
Tui::Tui()
{
mClosed = false;
mCurrentScreenRows = 0;
mCurrentScreenColumns = 0;
}
////////////////////////// Tui::init() //////////////////////////////////////
int Tui::init()
{
initscr();
cbreak();
noecho();
curs_set(0);
this->setScreenSize();
return 0;
}
////////////////////////// Tui::close() /////////////////////////////////////
int Tui::close()
{
endwin();
mClosed = true;
return 0;
}
////////////////////////// Tui::clearScreen() ///////////////////////////////
int Tui::clearScreen()
{
clear();
return 0;
}
////////////////////////// Tui::print() /////////////////////////////////////
int Tui::print(const char *msg)
{
printw((char *)msg);
refresh();
return 0;
}
////////////////////////// Tui::setScreenSize() ////////////////////////////
int Tui::setScreenSize()
{
#ifdef HAVE_WINSIZE_IOCTL
int newScreenRows, newScreenColumns;
getmaxyx(stdscr, newScreenRows, newScreenColumns);
# ifdef TIOCGWINSZ
struct winsize w;
if (ioctl(2, TIOCGWINSZ, &w) < 0)
{
return EXIT_ERROR_SYSTEM;
}
else
{
if (w.ws_row > 0)
newScreenRows = w.ws_row;
if (w.ws_col > 0)
newScreenColumns = w.ws_col;
}
# else
# ifdef WIOCGETD
struct uwdata w;
if (ioctl(2, WIOCGETD, &w) < 0)
{
return EXIT_ERROR_SYSTEM
}
else
{
if (w.uw_height > 0)
newScreenRows = w.uw_height / w.uw_vs;
if (w.uw_width > 0)
newScreenColumns = w.uw_width / w.uw_hs;
}
# endif
# endif
if (newScreenRows != mCurrentScreenRows ||
newScreenColumns != mCurrentScreenColumns)
{
mCurrentScreenRows = newScreenRows;
mCurrentScreenColumns = newScreenColumns;
resizeterm(mCurrentScreenRows, mCurrentScreenColumns);
}
#else // HAVE_WINSIZE_IOCTL
char *errPtr;
long int tmpval;
mCurrentScreenColumns = DEFAULT_SCREEN_COLUMNS;
const char *colsEnv = getenv("COLUMNS");
if (colsEnv)
{
tmpval = strtol(colsEnv, &errPtr, 10);
if (errPtr == '\0')
mCurrentScreenColumns = tmpval;
}
mCurrentScreenRows = DEFAULT_SCREEN_ROWS;
const char *rowsEnv = getenv("LINES");
if (rowsEnv)
{
tmpval = strtol(rowsEnv, &errPtr, 10);
if (errPtr == '\0')
mCurrentScreenRows = tmpval;
}
#endif // HAVE_WINSIZE_IOCTL
return EXIT_OK;
}
////////////////////////// Tui::~Tui() //////////////////////////////////////
Tui::~Tui()
{
if (!mClosed)
this->close();
}
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