/*

* 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"

double opVal, value;

int opSort;

/*is caculate*/

int isCaculate = 0;

static int palette [] =

{

0x000000, 0xffe080, 0xffffff, 0xe0c0a0, 0x304050, 0x80b8c0

};

#define NR_COLORS (sizeof (palette) / sizeof (palette [0]))

struct ts_button {

};

/* [inactive] border fill text [active] border fill text */

static int button_palette [6] =

{

1, 4, 2,

1, 5, 0

};

#define NR_BUTTONS 18

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 void refresh_screen ()

{

int i;

/*draw a rectangle*/

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]);

}

double caculate(int op){

switch(op){

case 1:

opVal += value;

break;

case 2:

opVal -= value;

break;

case 3:

opVal *= value;

break;

case 4:

opVal /= value;

break;

}

value = opVal;

opSort = 0;

}

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);

/*Calculator Process*/

if(button->text[0] == 'C'){ // Clear

opVal = 0;

value = 0;

isCaculate = 0;

}

else if(button->text[0] == "D"){ // DELete

opVal = 0;

value /= 10;

isCaculate = 0;

}

else if(button->text[0] == '+'){

if(opSort)

caculate(opSort);

opVal = value;

value = 0;

opSort = 1;

isCaculate = 0;

}

else if(button->text[0] == '-'){

if(opSort)

caculate(opSort);

opVal = value;

value = 0;

opSort = 2;

isCaculate = 0;

}

else if(button->text[0] == '*'){

if(opSort)

caculate(opSort);

opVal = value;

value = 0;

opSort = 3;

isCaculate = 0;

}

else if(button->text[0] == '/'){

if(opSort)

caculate(opSort);

opVal = value;

value = 0;

opSort = 4;

isCaculate = 0;

}

else if(button->text[0] == '='){

switch(opSort){

case 1:

opVal += value;

break;

case 2:

opVal -= value;

break;

case 3:

opVal *= value;

break;

case 4:

opVal /= value;

break;

}

value = opVal;

isCaculate = 1;

opSort = 0;

}

else{ //number

if(isCaculate){

isCaculate = 0;

value = 0;

}

value = 10*value + button->text[0] - '0';//char->int

}

refresh_screen();

char str_value[50];//int -> char for display

sprintf(str_value,"%lf",value);

put_string_center(xres/2,7*yres/50,str_value,1);

}

} 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;

}

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";

buttons [0].*/

/*weight height*/

for(i=1; i<17; i++){

buttons [i].w = xres / 7;

buttons [i].h = yres / 5;

}

buttons [0].w = (2*xres/7) + (xres/49);

buttons [0].h = yres / 5;

/*result a half of xres and position is center*/

buttons [17].w = xres / 2;

buttons [17].h = yres / 5;

buttons [17].text = "";

/*value*/

buttons [0].text = "0";

buttons [1].text = "1";

buttons [2].text = "2";

buttons [3].text = "3";

buttons [4].text = "4";

buttons [5].text = "5";

buttons [6].text = "6";

buttons [7].text = "7";

buttons [8].text = "8";

buttons [9].text = "9";

buttons [10].text = "+";

buttons [11].text = "-";

buttons [12].text = "*";

buttons [13].text = "/";

buttons [14].text = "=";

buttons [15].text = "C";

buttons [16].text = "D";

/*

*800 * 480

*

*such design: the y-blank is yres/25 = 96px, x-blank is xres/49 = 114px;

* */

/*

*

* 17

*15 16 10 11 12 13

*1 2 3 4 5 14

*6 7 8 9 0

*

* */

/*the x position of buttons*/

buttons [15].x = buttons [1].x = buttons [6].x = xres / 49;

buttons [16].x = buttons [2].x = buttons [7].x = (xres/7) + (2*xres/49);

buttons [10].x = buttons [3].x = buttons [8].x = (2*xres/7) + (3*xres/49);

buttons [11].x = buttons [4].x = buttons [9].x = (3*xres/7) + (4*xres/49);

buttons [12].x = buttons [5].x = buttons [0].x = (4*xres/7) + (5*xres/49);

buttons [13].x = buttons [14].x = (5*xres/7) + (6*xres/49);

/*the y position of buttons*/

buttons [15].y =buttons [16].y =buttons [10].y =buttons [11].y =buttons [12].y = buttons [13].y = (yres/5) + (2*yres/25);

buttons [1].y =buttons [2].y =buttons [3].y =buttons [4].y =buttons [5].y = buttons [14].y = (2*yres/5) + (3*yres/25);

buttons [6].y =buttons [7].y =buttons [8].y =buttons [9].y =buttons [0].y = (3*yres/5) + (4*yres/25);

/*result center*/

buttons [17].x = xres / 4;

buttons [17].y = yres / 25;

/*refresh*/

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();

}