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pal.c
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pal.c
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/* Copyright (c) 2017, Piotr Durlej
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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 <wingui.h>
#include <event.h>
#include <stdlib.h>
#include <err.h>
static struct win_modeinfo mi;
static struct win_rect wr;
static int wd;
static int scale = 1;
static int win_event(struct event *e, void *data)
{
win_color bg, fr;
int i;
switch (e->win.type)
{
case WIN_E_SWITCH_FROM:
case WIN_E_PTR_DOWN:
exit(0);
case WIN_E_KEY_DOWN:
if (e->win.ch == WIN_KEY_F4 && (e->win.shift & WIN_SHIFT_ALT))
exit(0);
if (e->win.ch == '\033')
exit(0);
break;
case WIN_E_REDRAW:
win_clip(wd, e->win.redraw_x, e->win.redraw_y,
e->win.redraw_w, e->win.redraw_h,
0, 0);
win_paint();
win_rgb2color(&fr, 255, 255, 255);
win_rgb2color(&bg, 0, 0, 0);
win_rect(wd, bg, 0, 0, wr.w, wr.h);
win_hline(wd, fr, 0, wr.h - 1, mi.ncolors * scale + 4);
win_hline(wd, fr, 0, 0, mi.ncolors * scale + 4);
win_vline(wd, fr, wr.w - 1, 0, mi.ncolors * scale + 4);
win_vline(wd, fr, 0, 0, mi.ncolors * scale + 4);
for (i = 0; i < mi.ncolors; i++)
win_rect(wd, i, 2 + i * scale, 2, scale, wr.h - 4);
win_end_paint();
}
return 0;
}
int main(int argc, char **argv)
{
struct win_rect wsr;
int m;
if (win_attach())
err(255, NULL);
win_getmode(&m);
win_modeinfo(m, &mi);
win_ws_getrect(&wsr);
if (mi.ncolors > wsr.w)
errx(1, "too many colors");
while (mi.ncolors * scale * 2 <= wsr.w)
scale++;
wr.w = mi.ncolors * scale + 4;
wr.h = wsr.h / 16;
wr.x = wsr.x + (wsr.w - wr.w) / 2;
wr.y = wsr.y + (wsr.h - wr.h) / 2;
win_creat(&wd, 1, wr.x, wr.y, wr.w, wr.h, win_event, NULL); /* XXX */
win_raise(wd);
win_focus(wd);
for (;;)
win_wait();
}