mirror of
https://github.com/tstack/lnav.git
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154 lines
4.3 KiB
C++
154 lines
4.3 KiB
C++
/**
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* Copyright (c) 2007-2012, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <assert.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "config.h"
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#ifdef HAVE_SYS_TTYDEFAULTS_H
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# include <sys/ttydefaults.h>
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#endif
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#include <algorithm>
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#include "../src/lnav_util.hh"
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#include "lnav_util.hh"
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#include "readline_curses.hh"
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using namespace std;
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static readline_context::command_map_t COMMANDS;
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static struct {
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bool dd_active;
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readline_curses* dd_rl_view;
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volatile sig_atomic_t dd_looping;
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} drive_data;
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static void
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rl_callback(readline_curses* rc)
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{
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string line = rc->get_value().get_string();
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if (line == "quit")
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drive_data.dd_looping = false;
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fprintf(stderr, "callback\n");
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drive_data.dd_active = false;
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}
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static void
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rl_timeout(readline_curses* rc)
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{
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fprintf(stderr, "timeout\n");
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}
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int
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main(int argc, char* argv[])
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{
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int c, fd, retval = EXIT_SUCCESS;
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fd = open("/tmp/lnav.err", O_WRONLY | O_CREAT | O_APPEND, 0666);
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dup2(fd, STDERR_FILENO);
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close(fd);
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fprintf(stderr, "startup\n");
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while ((c = getopt(argc, argv, "h")) != -1) {
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switch (c) {
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case 'h':
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break;
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default:
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break;
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}
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}
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auto psuperv = std::make_shared<pollable_supervisor>();
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readline_context context("test", &COMMANDS);
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readline_curses rlc(psuperv);
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rlc.add_context(1, context);
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rlc.start();
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drive_data.dd_rl_view = &rlc;
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auto sc = screen_curses::create().unwrap();
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keypad(stdscr, TRUE);
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nonl();
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cbreak();
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noecho();
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nodelay(sc.get_window(), 1);
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rlc.set_window(sc.get_window());
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rlc.set_y(-1);
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rlc.set_perform_action(rl_callback);
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rlc.set_timeout_action(rl_timeout);
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drive_data.dd_looping = true;
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while (drive_data.dd_looping) {
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vector<struct pollfd> pollfds;
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int rc;
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pollfds.push_back((struct pollfd){STDIN_FILENO, POLLIN, 0});
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psuperv->update_poll_set(pollfds);
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rlc.do_update();
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refresh();
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rc = poll(&pollfds[0], pollfds.size(), -1);
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if (rc > 0) {
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if (pollfd_ready(pollfds, STDIN_FILENO)) {
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int ch;
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while ((ch = getch()) != ERR) {
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switch (ch) {
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case CEOF:
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case KEY_RESIZE:
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break;
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default:
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if (drive_data.dd_active) {
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rlc.handle_key(ch);
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} else if (ch == ':') {
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rlc.focus(1, ":");
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drive_data.dd_active = true;
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}
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break;
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}
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}
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}
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psuperv->check_poll_set(pollfds);
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}
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}
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return retval;
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}
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