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/*
* tslib/src/ts_test.c
*
* Copyright (C) 2001 Russell King.
*
* This file is placed under the GPL. Please see the file
* COPYING for more details.
*
* $Id: ts_test.c,v 1.6 2004/10/19 22:01:27 dlowder Exp $
*
* Basic test program for touchscreen library.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/time.h>
#include "tslib.h"
#include "fbutils.h"
static int palette [] =
{
0x000000, 0xffe080, 0xffffff, 0xe0c0a0, 0x304050, 0x80b8c0
};
#define NR_COLORS (sizeof (palette) / sizeof (palette [0]))
struct ts_button {
int x, y, w, h;
char *text;
int flags;
#define BUTTON_ACTIVE 0x00000001
};
/* [inactive] border fill text [active] border fill text */
static int button_palette [6] =
{
1, 4, 2,
1, 5, 0
};
#define NR_BUTTONS 2
static struct ts_button buttons [NR_BUTTONS];
static void sig(int sig)
{
close_framebuffer();
fflush(stderr);
printf("signal %d caught\n", sig);
fflush(stdout);
exit(1);
}
static void button_draw (struct ts_button *button)
{
int s = (button->flags & BUTTON_ACTIVE) ? 3 : 0;
rect (button->x, button->y, button->x + button->w - 1,
button->y + button->h - 1, button_palette [s]);
fillrect (button->x + 1, button->y + 1,
button->x + button->w - 2,
button->y + button->h - 2, button_palette [s + 1]);
put_string_center (button->x + button->w / 2,
button->y + button->h / 2,
button->text, button_palette [s + 2]);
}
static int button_handle (struct ts_button *button, struct ts_sample *samp)
{
int inside = (samp->x >= button->x) && (samp->y >= button->y) &&
(samp->x < button->x + button->w) &&
(samp->y < button->y + button->h);
if (samp->pressure > 0) {
if (inside) {
if (!(button->flags & BUTTON_ACTIVE)) {
button->flags |= BUTTON_ACTIVE;
button_draw (button);
}
} else if (button->flags & BUTTON_ACTIVE) {
button->flags &= ~BUTTON_ACTIVE;
button_draw (button);
}
} else if (button->flags & BUTTON_ACTIVE) {
button->flags &= ~BUTTON_ACTIVE;
button_draw (button);
return 1;
}
return 0;
}
static void refresh_screen ()
{
int i;
fillrect (0, 0, xres - 1, yres - 1, 0);
put_string_center (xres/2, yres/4, "TSLIB test program", 1);
put_string_center (xres/2, yres/4+20,"Touch screen to move crosshair", 2);
for (i = 0; i < NR_BUTTONS; i++)
button_draw (&buttons [i]);
}
int main()
{
struct tsdev *ts;
int x, y;
unsigned int i;
unsigned int mode = 0;
char *tsdevice=NULL;
signal(SIGSEGV, sig);
signal(SIGINT, sig);
signal(SIGTERM, sig);
if ((tsdevice = getenv("TSLIB_TSDEVICE")) == NULL) {
#ifdef USE_INPUT_API
tsdevice = strdup ("/dev/input/event0");
#else
tsdevice = strdup ("/dev/touchscreen/ucb1x00");
#endif /* USE_INPUT_API */
}
ts = ts_open (tsdevice, 0);
if (!ts) {
perror (tsdevice);
exit(1);
}
if (ts_config(ts)) {
perror("ts_config");
exit(1);
}
if (open_framebuffer()) {
close_framebuffer();
exit(1);
}
x = xres/2;
y = yres/2;
for (i = 0; i < NR_COLORS; i++)
setcolor (i, palette [i]);
/* Initialize buttons */
memset (&buttons, 0, sizeof (buttons));
buttons [0].w = buttons [1].w = xres / 4;
buttons [0].h = buttons [1].h = 20;
buttons [0].x = xres / 4 - buttons [0].w / 2;
buttons [1].x = (3 * xres) / 4 - buttons [0].w / 2;
buttons [0].y = buttons [1].y = 10;
buttons [0].text = "Drag";
buttons [1].text = "Draw";
refresh_screen ();
while (1) {
struct ts_sample samp;
int ret;
/* Show the cross */
if ((mode & 15) != 1)
put_cross(x, y, 2 | XORMODE);
ret = ts_read(ts, &samp, 1);
/* Hide it */
if ((mode & 15) != 1)
put_cross(x, y, 2 | XORMODE);
if (ret < 0) {
perror("ts_read");
close_framebuffer();
exit(1);
}
if (ret != 1)
continue;
for (i = 0; i < NR_BUTTONS; i++)
if (button_handle (&buttons [i], &samp))
switch (i) {
case 0:
mode = 0;
refresh_screen ();
break;
case 1:
mode = 1;
refresh_screen ();
break;
}
printf("%ld.%06ld: %6d %6d %6d\n", samp.tv.tv_sec, samp.tv.tv_usec,
samp.x, samp.y, samp.pressure);
if (samp.pressure > 0) {
if (mode == 0x80000001)
line (x, y, samp.x, samp.y, 2);
x = samp.x;
y = samp.y;
mode |= 0x80000000;
} else
mode &= ~0x80000000;
}
close_framebuffer();
}
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