lnav/test/drive_view_colors.cc

/**
 * Copyright (c) 2007-2012, Timothy Stack
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * * Neither the name of Timothy Stack nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "config.h"
#include "view_curses.hh"

class test_colors : public view_curses {
public:
    test_colors() : tc_window(nullptr) {}

    bool do_update() override
    {
        auto& vc = view_colors::singleton();
        int lpc;

        for (lpc = 0; lpc < 16; lpc++) {
            text_attrs attrs;
            char label[64];
            attr_line_t al;
            line_range lr;

            snprintf(label, sizeof(label), "This is line: %d", lpc);
            attrs = vc.attrs_for_ident(label);
            al = label;
            al.get_attrs().emplace_back(line_range(0, -1),
                                        VC_STYLE.value(attrs));
            lr.lr_start = 0;
            lr.lr_end = 40;
            test_colors::mvwattrline(this->tc_window, lpc, 0, al, lr);
        }

        attr_line_t al;
        line_range lr{0, 40};

        al = "before <123> after";
        al.with_attr({line_range{8, 11},
                      VC_STYLE.value(text_attrs{0, COLOR_CYAN, COLOR_BLACK})});
        al.with_attr(
            {line_range{8, 11}, VC_STYLE.value(text_attrs{A_REVERSE})});
        test_colors::mvwattrline(this->tc_window, lpc, 0, al, lr);

        return true;
    }

    WINDOW* tc_window;
};

int
main(int argc, char* argv[])
{
    int c, retval = EXIT_SUCCESS;
    bool wait_for_input = false;
    WINDOW* win;
    test_colors tc;

    win = initscr();
    noecho();

    while ((c = getopt(argc, argv, "w")) != -1) {
        switch (c) {
            case 'w':
                wait_for_input = true;
                break;
        }
    }

    view_colors::init(false);
    curs_set(0);
    tc.tc_window = win;
    tc.do_update();
    refresh();
    if (wait_for_input) {
        getch();
    }
    endwin();

    return retval;
}