lnav/test/drive_listview.cc
2022-03-16 15:38:08 -07:00

140 lines
4.0 KiB
C++

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