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#include <stdlib.h>
#include <string.h>
#include "ui_txtwindow.h"
struct txtwindow *
init_txtwindow(unsigned int x, unsigned int y, unsigned int width, unsigned int height, window_func cb_update)
{
struct txtwindow *a = calloc(1, sizeof(struct txtwindow));
a->x = x;
a->y = y;
a->width = width;
a->height = height;
a->active = false;
a->title_len = INITIAL_TITLE_LEN;
a->title = calloc(a->title_len+1, sizeof(char));
a->title_blink = false;
a->text = NULL;
a->attrs = 0;
a->text_attrs = 0;
a->window_func = cb_update;
return (a);
}
struct txtwindow *
init_txtwindow_centered(unsigned int width, unsigned int height, window_func cb_update)
{
unsigned int x = (ui_get_maxx()/2)-(width/2);
unsigned int y = (ui_get_maxy()/2)-(height/2);
return init_txtwindow(x, y, width, height, cb_update);
}
static void
__free_text(struct txtwindow *a)
{
if (a->text) {
if (a->text[0]) {
free(a->text[0]);
}
free(a->text);
a->text = NULL;
}
}
void
free_txtwindow(struct txtwindow *a)
{
__free_text(a);
if (a->title) {
free(a->title);
}
free(a);
}
static void
print_wnd(struct txtwindow *a)
{
int i, x = a->x, y = a->y, w = a->width, h = a->height;
char tmp[a->width+1];
attron(a->attrs);
/* print window surface */
memset(tmp, ' ', a->width);
tmp[a->width] = '\0';
for (i = y-1; i < y+h+1; i++)
mvprintw(i, x, tmp);
/* print window border */
mvhline(y-2, x, 0, w);
mvhline(y+h+1, x, 0, w);
mvvline(y-1, x-1, 0, h+3);
mvvline(y-1, x+w, 0, h+3);
/* print window border edges */
mvaddch(y-2, x-1, ACS_ULCORNER);
mvaddch(y+1+h, x-1, ACS_LLCORNER);
mvaddch(y-2, x+w, ACS_URCORNER);
mvaddch(y+1+h, x+w, ACS_LRCORNER);
/* print window title */
attroff(a->attrs);
attron(a->text_attrs);
if (a->title_blink)
attron(A_BLINK);
mvprintw(y-2, x+(w/2)-((a->title_len+4)/2), "[ %s ]", a->title);
if (a->title_blink)
attroff(A_BLINK);
/* print windows text */
i = -1;
if (a->text) {
while ( a->text[++i] ) {
mvprintw(y+i, x+1, a->text[i]);
}
}
attroff(a->text_attrs);
}
static int
txtwindow_cb(WINDOW *win, void *data, bool timedout)
{
struct txtwindow *a = (struct txtwindow *) data;
if (a->active == true) {
print_wnd(a);
if (a->window_func) {
attron(a->text_attrs);
a->window_func(win, a, timedout);
attroff(a->text_attrs);
}
}
return (UICB_OK);
}
void inline
register_txtwindow(struct txtwindow *a)
{
struct ui_callbacks cbs;
cbs.ui_element = txtwindow_cb;
cbs.ui_input = NULL;
register_ui_elt(&cbs, (void *) a, NULL);
}
static size_t
__do_textcpy(char **p_dest, size_t sz_dest, const char *p_src, size_t sz_src)
{
size_t cursiz = sz_dest;
if (sz_src > sz_dest) {
*p_dest = (char *) realloc(*p_dest, (sz_src+1) * sizeof(char));
cursiz = sz_src;
}
memset(*p_dest, '\0', (cursiz+1) * sizeof(char));
memcpy(*p_dest, p_src, (cursiz+1) * sizeof(char));
return sz_src;
}
/* seperate a String with NEWLINES into an array */
static char **
__do_textadjust(struct txtwindow *a, char *text)
{
int i = 0, rows = (int)(strlen(text) / a->width);
char **adj_text = calloc(rows+2, sizeof(char *));
char *p_strtok, *tok;
const char sep[] = "\n";
if (rows > a->height) goto error;
p_strtok = strdup(text);
do {
tok = strsep(&p_strtok, sep);
if (strlen(tok) > a->width) {
strcpy(tok+a->width-3, "...");
*(tok+a->width) = '\0';
}
adj_text[i] = tok;
i++;
} while (--rows > 0);
return adj_text;
error:
free(adj_text);
return NULL;
}
void
set_txtwindow_text(struct txtwindow *a, char *text)
{
char **fmt_text = __do_textadjust(a, text);
if (fmt_text) {
__free_text(a);
a->text = fmt_text;
}
}
void
set_txtwindow_title(struct txtwindow *a, const char *title)
{
a->title_len = __do_textcpy(&a->title, a->title_len, title, strlen(title));
}
void
set_txtwindow_color(struct txtwindow *a, chtype wnd, chtype txt)
{
a->attrs = wnd;
a->text_attrs = txt;
}
void
set_txtwindow_dim(struct txtwindow *a, unsigned int w, unsigned int h)
{
a->width = w;
a->height = h;
}
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