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65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
/** Terminal handling.
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014-2019, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLAScommon
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*
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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 General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#pragma once
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#include <cstdio>
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#include <signal.h>
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#include <sys/ioctl.h>
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namespace villas {
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class Terminal {
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protected:
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struct winsize window; /**< Size of the terminal window. */
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bool isTty;
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static class Terminal *current;
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public:
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Terminal();
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/** Signal handler for TIOCGWINSZ */
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static void resize(int signal, siginfo_t *sinfo, void *ctx);
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static int getCols()
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{
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if (!current)
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current = new Terminal();
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return current->window.ws_col;
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}
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static int getRows()
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{
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if (!current)
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current = new Terminal();
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return current->window.ws_row;
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}
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};
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} /* namespace villas */
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