mirror of https://github.com/tstack/lnav.git
140 lines
4.0 KiB
C++
140 lines
4.0 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 <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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#include "listview_curses.hh"
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using namespace std;
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static listview_curses lv;
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class my_source : public list_data_source {
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public:
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my_source() : ms_rows(2){};
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size_t listview_rows(const listview_curses& lv)
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{
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return this->ms_rows;
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};
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void listview_value_for_rows(const listview_curses& lv,
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vis_line_t row,
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vector<attr_line_t>& rows)
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{
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for (auto& value_out : rows) {
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if (row == 0) {
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value_out = "Hello";
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} else if (row == 1) {
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value_out = "World!";
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} else if (row < this->ms_rows) {
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char buffer[32];
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snprintf(buffer, sizeof(buffer), "%d", (int) row);
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value_out = string(buffer);
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} else {
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assert(0);
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}
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++row;
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}
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};
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size_t listview_size_for_row(const listview_curses& lv, vis_line_t row)
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{
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return 100;
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};
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bool attrline_next_token(const view_curses& vc,
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int line,
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struct line_range& lr,
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int& attrs_out)
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{
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return false;
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};
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int ms_rows;
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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, retval = EXIT_SUCCESS;
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bool wait_for_input = false, set_height = false;
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my_source ms;
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WINDOW* win;
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win = initscr();
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lv.set_data_source(&ms);
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lv.set_window(win);
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noecho();
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while ((c = getopt(argc, argv, "y:t:l:r:h:w")) != -1) {
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switch (c) {
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case 'y':
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lv.set_y(atoi(optarg));
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break;
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case 'h':
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lv.set_height(vis_line_t(atoi(optarg)));
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set_height = true;
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break;
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case 't':
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lv.set_top(vis_line_t(atoi(optarg)));
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break;
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case 'l':
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lv.set_left(atoi(optarg));
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break;
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case 'w':
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wait_for_input = true;
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break;
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case 'r':
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ms.ms_rows = atoi(optarg);
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break;
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}
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}
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if (!set_height) {
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unsigned long height, width;
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getmaxyx(win, height, width);
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lv.set_height(vis_line_t(height - lv.get_y()));
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}
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lv.do_update();
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refresh();
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if (wait_for_input) {
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getch();
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}
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endwin();
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return retval;
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}
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