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#include <stdlib.h>
#include <string.h>
#include "ui.h"
#include "ui_input.h"
struct input *
init_input(unsigned int x, unsigned int y, unsigned int width, char *prompt, size_t input_len, chtype attrs)
{
struct input *a = calloc(1, sizeof(struct input));
a->x = x;
a->y = y;
a->width = width;
a->cur_pos = 0;
a->input = calloc(input_len+1, sizeof(char));
a->input_max = input_len;
a->input_len = 0;
a->input_pos = 0;
a->prompt = strdup(prompt);
a->attrs = attrs;
return (a);
}
void
free_input(struct input *a)
{
if (a->input != NULL) {
free(a->input);
}
free(a->prompt);
free(a);
}
static void
print_input_text(WINDOW *win, struct input *a)
{
size_t start = 0;
size_t p_len = strlen(a->prompt);
char tmp[a->width + 1];
memset(tmp, '\0', a->width + 1);
if (a->input_pos >= a->width) {
start = a->input_pos - a->width;
}
strncpy(tmp, (char *)(a->input + start), a->width);
if (win == NULL) {
mvprintw(a->y, a->x + p_len, "%s", tmp);
} else {
mvwprintw(win, a->y, a->x + p_len, "%s", tmp);
}
}
static void
print_input(WINDOW *win, struct input *a)
{
char *tmp;
int i;
size_t p_len = strlen(a->prompt);
attron(a->attrs);
if (win == NULL) {
mvprintw(a->y, a->x, a->prompt);
tmp = calloc(a->width+1, sizeof(char));
for (i = 0; i < a->width; i++) {
*(tmp + i) = '_';
}
mvprintw(a->y, a->x + p_len, tmp);
free(tmp);
} else {
}
print_input_text(win, a);
attroff(a->attrs);
}
int
activate_input(WINDOW *win, struct input *a)
{
if (a == NULL) return (UICB_ERR_UNDEF);
size_t p_len = strlen(a->prompt);
if (win == NULL) {
move(a->y, a->x + p_len + a->cur_pos);
} else {
wmove(win, a->y, a->x + p_len + a->cur_pos);
}
return (UICB_OK);
}
int
add_input(WINDOW *win, struct input *a, int key)
{
if (a == NULL) return (UICB_ERR_UNDEF);
if (a->input_len >= a->input_max) return (UICB_ERR_BUF);
*(a->input + a->input_pos) = (char) key;
++a->input_pos;
++a->input_len;
a->cur_pos = (a->cur_pos+1 < a->width ? a->cur_pos+1 : a->cur_pos);
print_input(win, a);
//mvwprintw(win, 10, 1, "w:%d,cp:%d,im:%lu,il:%lu,ip:%lu,s:%s", a->width, a->cur_pos, a->input_max, a->input_len, a->input_pos, a->input);
return (UICB_OK);
}
int
del_input(WINDOW *win, struct input *a)
{
return (UICB_OK);
}
int
input_cb(WINDOW *win, void *data, bool needs_update, bool timed_out)
{
struct input *a = (struct input *) data;
if (a == NULL) return (UICB_ERR_UNDEF);
if (needs_update || timed_out) {
print_input(win, a);
}
return (UICB_OK);
}
void
register_input(WINDOW *win, struct input *a)
{
register_ui_elt(input_cb, (void *) a, win);
}
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