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/*
* Copyright (C) 2024 Tristan Riehs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <curses.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "disp.h"
#include "calc_data.h"
#include "input.h"
static struct calc_data calcs[CALC_COUNT] = {0};
static int current_idx = 0;
static WINDOW *win;
static void
draw_res(void)
{
int j = loop_backwards(current_idx);
int drawn = 0;
while ((calcs[j].ms != 0) && (drawn < CALC_COUNT))
{
printw("%d + %d = %d\t%s\t%dms\n",
calcs[j].x, calcs[j].y,
calcs[j].input,
calcs[j].right ? "RIGHT" : "WRONG",
calcs[j].ms);
j = loop_backwards(j);
drawn++;
}
}
static void
draw_calc(void)
{
printw("%d + %d = %d",
calcs[current_idx].x, calcs[current_idx].y,
calcs[current_idx].input);
}
static void
redraw(void)
{
clear();
move(0, 0);
draw_res();
draw_calc();
refresh();
}
void
tui_init(void)
{
win = initscr();
noecho();
clear();
redraw();
}
void
tui_display_calc(int x, int y)
{
current_idx = next_calc(current_idx);
calcs[current_idx].x = x;
calcs[current_idx].y = y;
calcs[current_idx].input = 0;
calcs[current_idx].ms = 0;
redraw();
}
#define case_digit(digit) \
case digit: \
calcs[current_idx].input = \
add_input_digit(calcs[current_idx].input, digit - '0'); \
redraw(); \
break;
int
tui_read_input(void)
{
int c = getch();
while (c != ERR)
{
switch(c)
{
#ifndef NDEBUG
case 'g':
case 'r':
return DISP_RELOAD;
#endif
case 'q':
return DISP_QUIT;
case '\n':
case KEY_ENTER:
return calcs[current_idx].input;
case KEY_BACKSPACE:
case 0177: /* ASCII DEL character */
calcs[current_idx].input =
rm_input_digit(calcs[current_idx].input);
redraw();
break;
case_digit ('0')
case_digit ('1')
case_digit ('2')
case_digit ('3')
case_digit ('4')
case_digit ('5')
case_digit ('6')
case_digit ('7')
case_digit ('8')
case_digit ('9')
default:
break;
}
c = getch();
}
return DISP_ERR;
}
void
tui_display_res(bool right, int ms)
{
calcs[current_idx].right = right;
calcs[current_idx].ms = ms;
redraw();
}
void
tui_destroy(void)
{
endwin();
}
#ifndef NDEBUG
void *
tui_pre_reload(void)
{
char *data = malloc(sizeof(calcs) + sizeof(current_idx));
memcpy(data, &calcs, sizeof(calcs));
memcpy(data + sizeof(calcs), ¤t_idx, sizeof(current_idx));
endwin();
return data;
}
void
tui_post_reload(void *state)
{
char *data = state;
memcpy(&calcs, data, sizeof(calcs));
memcpy(¤t_idx, data + sizeof(calcs), sizeof(current_idx));
free(data);
tui_init();
redraw();
}
#endif
#ifdef NDEBUG
static struct disp __tui_disp = {
.init = tui_init,
.display_calc = tui_display_calc,
.read_input = tui_read_input,
.display_res = tui_display_res,
.destroy = tui_destroy
};
struct disp *tui_disp = &__tui_disp;
#endif
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