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bfu.c
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bfu.c
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/* bfu.c
* (c) 2002 Mikulas Patocka
* This file is a part of the Links program, released under GPL.
*/
#include <limits.h>
#include "links.h"
unsigned char m_bar = 0;
static void menu_func(struct window *, struct links_event *, int);
static void mainmenu_func(struct window *, struct links_event *, int);
struct memory_list *
getml(void *p, ...)
{
struct memory_list *ml;
va_list ap;
int n = 0;
void *q = p;
va_start(ap, p);
while (q) {
if (n == INT_MAX)
overalloc();
n++;
q = va_arg(ap, void *);
}
if ((unsigned)n
> (INT_MAX - sizeof(struct memory_list)) / sizeof(void *))
overalloc();
ml = xmalloc(sizeof(struct memory_list) + n * sizeof(void *));
ml->n = n;
n = 0;
q = p;
va_end(ap);
va_start(ap, p);
while (q) {
ml->p[n++] = q;
q = va_arg(ap, void *);
}
va_end(ap);
return ml;
}
void
add_to_ml(struct memory_list **ml, ...)
{
struct memory_list *nml;
va_list ap;
int n = 0;
void *q;
if (!*ml) {
*ml = xmalloc(sizeof(struct memory_list));
(*ml)->n = 0;
}
va_start(ap, ml);
while (va_arg(ap, void *)) {
if (n == INT_MAX)
overalloc();
n++;
}
if ((unsigned)n + (unsigned)((*ml)->n)
> (INT_MAX - sizeof(struct memory_list)) / sizeof(void *))
overalloc();
nml = xrealloc(*ml, sizeof(struct memory_list)
+ (n + (*ml)->n) * sizeof(void *));
va_end(ap);
va_start(ap, ml);
while ((q = va_arg(ap, void *)))
nml->p[nml->n++] = q;
*ml = nml;
va_end(ap);
}
void
freeml(struct memory_list *ml)
{
int i;
if (!ml)
return;
for (i = 0; i < ml->n; i++)
free(ml->p[i]);
free(ml);
}
static inline int
txtlen(unsigned char *s)
{
return strlen((char *)s);
}
static unsigned
select_hotkey(struct terminal *term, unsigned char *text, unsigned char *hotkey,
unsigned *hotkeys, int n)
{
unsigned c;
if (hotkey == M_BAR)
return 0;
if (text) {
text = stracpy(get_text_translation(text, term));
charset_upcase_string(&text, 0);
}
hotkey = get_text_translation(hotkey, term);
while (1) {
int i;
c = GET_TERM_CHAR(term, &hotkey);
if (!c)
break;
c = charset_upcase(c, 0);
for (i = 0; i < n; i++)
if (hotkeys[i] == c)
continue;
if (!text || strchr((char *)text, c))
break;
}
free(text);
return c;
}
void
do_menu_selected(struct terminal *term, struct menu_item *items, void *data,
int selected, void (*free_function)(void *), void *free_data)
{
int i;
struct menu *menu;
for (i = 0; items[i].text; i++)
if (i == (INT_MAX - sizeof(struct menu)) / sizeof(unsigned))
overalloc();
menu =
xmalloc(sizeof(struct menu) + (!i ? 0 : i - 1) * sizeof(unsigned));
menu->selected = selected;
menu->view = 0;
menu->ni = i;
menu->items = items;
menu->data = data;
menu->free_function = free_function;
menu->free_data = free_data;
for (i = 0; i < menu->ni; i++)
menu->hotkeys[i] = select_hotkey(
term, items[i].text, items[i].hotkey, menu->hotkeys, i);
add_window(term, menu_func, menu);
}
void
do_menu(struct terminal *term, struct menu_item *items, void *data)
{
do_menu_selected(term, items, data, 0, NULL, NULL);
}
static void
select_menu(struct terminal *term, struct menu *menu)
{
struct menu_item *it;
void (*func)(struct terminal *, void *, void *);
void *data1;
void *data2;
if (menu->selected < 0 || menu->selected >= menu->ni)
return;
it = &menu->items[menu->selected];
func = it->func;
data1 = it->data;
data2 = menu->data;
if (it->hotkey == M_BAR)
return;
flush_terminal(term);
if (!it->in_m) {
struct window *win = NULL;
struct list_head *lwin;
foreach (struct window, win, lwin, term->windows) {
if (win->handler != menu_func
&& win->handler != mainmenu_func)
break;
lwin = lwin->prev;
delete_window(win);
}
}
func(term, data1, data2);
}
static unsigned char *
get_rtext(unsigned char *rtext)
{
if (!strcmp(cast_const_char rtext, ">"))
return MENU_SUBMENU;
return rtext;
}
static void
count_menu_size(struct terminal *term, struct menu *menu)
{
int sx = term->x;
int sy = term->y;
int mx = 4;
int my;
for (my = 0; my < menu->ni; my++) {
int s;
s = txtlen(get_text_translation(menu->items[my].text, term))
+ txtlen(get_text_translation(
get_rtext(menu->items[my].rtext), term))
+ MENU_HOTKEY_SPACE
* (get_text_translation(
get_rtext(menu->items[my].rtext), term)[0]
!= 0);
s += 4;
if (s > mx)
mx = s;
}
my += 2;
if (mx > sx)
mx = sx;
if (my > sy)
my = sy;
menu->nview = my - 2;
menu->xw = mx;
menu->yw = my;
if ((menu->x = menu->xp) < 0)
menu->x = 0;
if ((menu->y = menu->yp) < 0)
menu->y = 0;
if (menu->x + mx > sx)
menu->x = sx - mx;
if (menu->y + my > sy)
menu->y = sy - my;
}
static void
scroll_menu(struct menu *menu, int d)
{
int c = 0;
int w = menu->nview;
int scr_i = SCROLL_ITEMS > (w - 1) / 2 ? (w - 1) / 2 : SCROLL_ITEMS;
if (scr_i < 0)
scr_i = 0;
if (w < 0)
w = 0;
menu->selected += d;
while (1) {
if (c++ > menu->ni) {
menu->selected = -1;
menu->view = 0;
return;
}
if (menu->selected < 0)
menu->selected = 0;
if (menu->selected >= menu->ni)
menu->selected = menu->ni - 1;
if (menu->ni && menu->items[menu->selected].hotkey != M_BAR)
break;
menu->selected += d;
}
if (menu->selected < menu->view + scr_i)
menu->view = menu->selected - scr_i;
if (menu->selected >= menu->view + w - scr_i - 1)
menu->view = menu->selected - w + scr_i + 1;
if (menu->view > menu->ni - w)
menu->view = menu->ni - w;
if (menu->view < 0)
menu->view = 0;
}
static void
display_menu_txt(struct terminal *term, void *menu_)
{
struct menu *menu = (struct menu *)menu_;
int p, s;
fill_area(term, menu->x + 1, menu->y + 1, menu->xw - 2, menu->yw - 2,
' ', COLOR_MENU_TEXT);
draw_frame(term, menu->x, menu->y, menu->xw, menu->yw, COLOR_MENU_FRAME,
1);
set_window_ptr(menu->win, menu->x, menu->y);
for (p = menu->view, s = menu->y + 1;
p < menu->ni && p < menu->view + menu->yw - 2; p++, s++) {
int x;
int h = 0;
unsigned c;
unsigned char *tmptext =
get_text_translation(menu->items[p].text, term);
unsigned char co;
if (p == menu->selected) {
h = 1;
co = COLOR_MENU_SELECTED;
} else
co = COLOR_MENU_TEXT;
if (h) {
set_cursor(term, menu->x + 1, s, term->x - 1,
term->y - 1);
/*set_window_ptr(menu->win, menu->x+3, s+1);*/
set_window_ptr(menu->win, menu->x + menu->xw, s);
fill_area(term, menu->x + 1, s, menu->xw - 2, 1, ' ',
co);
}
if (menu->items[p].hotkey != M_BAR || (tmptext[0])) {
unsigned char *rt = get_text_translation(
get_rtext(menu->items[p].rtext), term);
int l = strlen((char *)rt);
for (x = 0;; x++) {
c = GET_TERM_CHAR(term, &rt);
if (!c)
break;
if (menu->xw - 4 >= l - x)
set_char(term,
menu->x + menu->xw - 2 - l + x,
s, c, co);
}
for (x = 0; x < menu->xw - 4; x++) {
c = GET_TERM_CHAR(term, &tmptext);
if (!c)
break;
if (!h
&& charset_upcase(c, 0)
== menu->hotkeys[p]) {
h = 1;
set_char(term, menu->x + x + 2, s, c,
COLOR_MENU_HOTKEY);
} else
set_char(term, menu->x + x + 2, s, c,
co);
}
} else {
set_char(term, menu->x, s, 0xc3,
COLOR_MENU_FRAME | ATTR_FRAME);
fill_area(term, menu->x + 1, s, menu->xw - 2, 1, 0xc4,
COLOR_MENU_FRAME | ATTR_FRAME);
set_char(term, menu->x + menu->xw - 1, s, 0xb4,
COLOR_MENU_FRAME | ATTR_FRAME);
}
}
}
static void
menu_func(struct window *win, struct links_event *ev, int fwd)
{
int s = 0;
int xp, yp;
struct menu *menu = win->data;
menu->win = win;
switch ((int)ev->ev) {
case EV_INIT:
case EV_RESIZE:
get_parent_ptr(win, &menu->xp, &menu->yp);
count_menu_size(win->term, menu);
goto xxx;
case EV_REDRAW:
get_parent_ptr(win, &xp, &yp);
if (xp != menu->xp || yp != menu->yp) {
menu->xp = xp;
menu->yp = yp;
count_menu_size(win->term, menu);
}
xxx:
menu->selected--;
scroll_menu(menu, 1);
draw_to_window(win, display_menu_txt, menu);
break;
case EV_MOUSE:
if ((ev->b & BM_ACT) == B_MOVE)
break;
if ((ev->b & BM_BUTT) == B_FOURTH
|| (ev->b & BM_BUTT) == B_FIFTH) {
if ((ev->b & BM_ACT) == B_DOWN)
goto go_lr;
break;
}
if ((ev->b & BM_BUTT) == B_SIXTH)
break;
if (ev->x < menu->x || ev->x >= menu->x + menu->xw
|| ev->y < menu->y || ev->y >= menu->y + menu->yw) {
struct window *w1 = NULL;
struct list_head *w1l;
foreachfrom (struct window, w1, w1l, win->term->windows,
&win->list_entry) {
struct menu *m1;
if (w1->handler == mainmenu_func) {
if (ev->y < 1)
goto del;
break;
}
if (w1->handler != menu_func)
break;
m1 = w1->data;
if (ev->x > m1->x && ev->x < m1->x + m1->xw - 1
&& ev->y > m1->y
&& ev->y < m1->y + m1->yw - 1)
goto del;
}
if ((ev->b & BM_ACT) == B_DOWN)
goto del;
if (0)
del:
delete_window_ev(win, ev);
} else {
if (!(ev->x < menu->x || ev->x >= menu->x + menu->xw
|| ev->y < menu->y + 1
|| ev->y >= menu->y + menu->yw - 1)) {
int s = ev->y - menu->y - 1 + menu->view;
if (s >= 0 && s < menu->ni
&& menu->items[s].hotkey != M_BAR) {
menu->selected = s;
scroll_menu(menu, 0);
draw_to_window(win, display_menu_txt,
menu);
if ((ev->b & BM_ACT) == B_UP)
select_menu(win->term, menu);
}
}
}
break;
case EV_KBD:
if (ev->y & KBD_PASTING)
break;
if (ev->x == KBD_LEFT || ev->x == KBD_RIGHT) {
go_lr:
if (win->list_entry.next == &win->term->windows)
goto mm;
if (list_struct(win->list_entry.next, struct window)
->handler
== mainmenu_func)
goto mm;
if (ev->ev == EV_MOUSE && (ev->b & BM_BUTT) == B_FIFTH)
goto mm;
if (ev->ev == EV_KBD && ev->x == KBD_RIGHT)
goto enter;
delete_window(win);
break;
}
if (ev->x == KBD_ESC) {
if (win->list_entry.next == &win->term->windows)
ev = NULL;
else if (list_struct(win->list_entry.next,
struct window)
->handler
!= mainmenu_func)
ev = NULL;
delete_window_ev(win, ev);
break;
}
if (KBD_ESCAPE_MENU(ev->x) || ev->y & KBD_ALT) {
mm:
delete_window_ev(win, ev);
break;
}
if (ev->x == KBD_UP)
scroll_menu(menu, -1);
else if (ev->x == KBD_DOWN)
scroll_menu(menu, 1);
else if (ev->x == KBD_HOME
|| (upcase(ev->x) == 'A' && ev->y & KBD_CTRL)) {
menu->selected = -1;
scroll_menu(menu, 1);
} else if (ev->x == KBD_END
|| (upcase(ev->x) == 'E' && ev->y & KBD_CTRL)) {
menu->selected = menu->ni;
scroll_menu(menu, -1);
} else if (ev->x == KBD_PAGE_UP
|| (upcase(ev->x) == 'B' && ev->y & KBD_CTRL)) {
if ((menu->selected -= menu->yw - 3) < -1)
menu->selected = -1;
if ((menu->view -= menu->yw - 2) < 0)
menu->view = 0;
scroll_menu(menu, -1);
} else if (ev->x == KBD_PAGE_DOWN
|| (upcase(ev->x) == 'F' && ev->y & KBD_CTRL)) {
if ((menu->selected += menu->yw - 3) > menu->ni)
menu->selected = menu->ni;
if ((menu->view += menu->yw - 2)
>= menu->ni - menu->yw + 2)
menu->view = menu->ni - menu->yw + 2;
scroll_menu(menu, 1);
} else if (ev->x > ' ') {
int i;
for (i = 0; i < menu->ni; i++) {
if (charset_upcase(ev->x, 0)
== menu->hotkeys[i]) {
menu->selected = i;
scroll_menu(menu, 0);
s = 1;
}
}
}
draw_to_window(win, display_menu_txt, menu);
if (s || ev->x == KBD_ENTER || ev->x == ' ')
enter:
select_menu(win->term, menu);
break;
case EV_ABORT:
if (menu->items->free_i) {
int i;
for (i = 0; i < menu->ni; i++) {
if (menu->items[i].free_i & MENU_FREE_TEXT)
free(menu->items[i].text);
if (menu->items[i].free_i & MENU_FREE_RTEXT)
free(menu->items[i].rtext);
if (menu->items[i].free_i & MENU_FREE_HOTKEY)
free(menu->items[i].hotkey);
}
if (menu->items->free_i & MENU_FREE_ITEMS)
free(menu->items);
}
if (menu->free_function)
register_bottom_half(menu->free_function,
menu->free_data);
break;
}
}
void
do_mainmenu(struct terminal *term, struct menu_item *items, void *data, int sel)
{
int i;
struct mainmenu *menu;
for (i = 0; items[i].text; i++)
if (i == (INT_MAX - sizeof(struct mainmenu)) / sizeof(unsigned))
overalloc();
menu = xmalloc(sizeof(struct mainmenu)
+ (!i ? 0 : i - 1) * sizeof(unsigned));
menu->selected = sel == -1 ? 0 : sel;
menu->ni = i;
menu->items = items;
menu->data = data;
for (i = 0; i < menu->ni; i++)
menu->hotkeys[i] = select_hotkey(term, NULL, items[i].hotkey,
menu->hotkeys, i);
add_window(term, mainmenu_func, menu);
if (sel != -1) {
struct links_event ev = { EV_KBD, KBD_ENTER, 0, 0 };
struct window *win =
list_struct(term->windows.next, struct window);
win->handler(win, (struct links_event *)&ev, 0);
}
}
static void
display_mainmenu(struct terminal *term, void *menu_)
{
struct mainmenu *menu = (struct mainmenu *)menu_;
int i;
int p = 2;
fill_area(term, 0, 0, term->x, 1, ' ', COLOR_MAINMENU);
for (i = 0; i < menu->ni; i++) {
int s = 0;
unsigned c;
unsigned char *tmptext =
get_text_translation(menu->items[i].text, term);
unsigned char co;
if (i == menu->selected) {
s = 1;
co = COLOR_MAINMENU_SELECTED;
} else {
co = COLOR_MAINMENU;
}
if (i == menu->selected) {
fill_area(term, p, 0, 2, 1, ' ', co);
menu->sp = p;
set_cursor(term, p, 0, term->x - 1, term->y - 1);
set_window_ptr(menu->win, p, 1);
}
p += 2;
for (;; p++) {
c = GET_TERM_CHAR(term, &tmptext);
if (!c)
break;
if (!s && charset_upcase(c, 0) == menu->hotkeys[i]) {
s = 1;
set_char(term, p, 0, c, COLOR_MAINMENU_HOTKEY);
} else {
set_char(term, p, 0, c, co);
}
}
if (i == menu->selected)
fill_area(term, p, 0, 2, 1, ' ', co);
p += 2;
}
}
static void
select_mainmenu(struct terminal *term, struct mainmenu *menu)
{
struct menu_item *it;
if (menu->selected < 0 || menu->selected >= menu->ni)
return;
it = &menu->items[menu->selected];
if (it->hotkey == M_BAR)
return;
if (!it->in_m) {
struct window *win = NULL;
struct list_head *lwin;
foreach (struct window, win, lwin, term->windows) {
if (win->handler != menu_func
&& win->handler != mainmenu_func)
break;
lwin = lwin->prev;
delete_window(win);
}
}
it->func(term, it->data, menu->data);
}
static void
mainmenu_func(struct window *win, struct links_event *ev, int fwd)
{
int s = 0;
int in_menu;
struct mainmenu *menu = win->data;
menu->win = win;
switch ((int)ev->ev) {
case EV_INIT:
case EV_RESIZE:
/* FALLTHROUGH */
case EV_REDRAW:
draw_to_window(win, display_mainmenu, menu);
break;
case EV_MOUSE:
in_menu = ev->x >= 0 && ev->x < win->term->x && ev->y >= 0
&& ev->y < 1;
if ((ev->b & BM_ACT) == B_MOVE)
break;
if ((ev->b & BM_BUTT) == B_FOURTH) {
if ((ev->b & BM_ACT) == B_DOWN)
goto go_left;
break;
}
if ((ev->b & BM_BUTT) == B_FIFTH) {
if ((ev->b & BM_ACT) == B_DOWN)
goto go_right;
break;
}
if ((ev->b & BM_BUTT) == B_SIXTH) {
break;
}
if ((ev->b & BM_ACT) == B_DOWN && !in_menu)
delete_window_ev(win, ev);
else if (in_menu) {
int i;
int p = 2;
for (i = 0; i < menu->ni; i++) {
int o = p;
unsigned char *tmptext = get_text_translation(
menu->items[i].text, win->term);
p += txtlen(tmptext) + 4;
if (ev->x >= o && ev->x < p) {
menu->selected = i;
draw_to_window(win, display_mainmenu,
menu);
if ((ev->b & BM_ACT) == B_UP
|| menu->items[s].in_m)
select_mainmenu(win->term,
menu);
break;
}
}
}
break;
case EV_KBD:
if (ev->y & KBD_PASTING)
break;
if (ev->x == ' ' || ev->x == KBD_ENTER || ev->x == KBD_DOWN
|| ev->x == KBD_UP || ev->x == KBD_PAGE_DOWN
|| (upcase(ev->x) == 'F' && ev->y & KBD_CTRL)
|| ev->x == KBD_PAGE_UP
|| (upcase(ev->x) == 'B' && ev->y & KBD_CTRL)) {
select_mainmenu(win->term, menu);
break;
} else if (ev->x == KBD_LEFT) {
go_left:
if (!menu->selected--)
menu->selected = menu->ni - 1;
s = 1;
if (fwd)
s = 2;
} else if (ev->x == KBD_RIGHT) {
go_right:
if (++menu->selected >= menu->ni)
menu->selected = 0;
s = 1;
if (fwd)
s = 2;
} else if (ev->x == KBD_HOME
|| (upcase(ev->x) == 'A' && ev->y & KBD_CTRL)) {
menu->selected = 0;
s = 1;
} else if (ev->x == KBD_END
|| (upcase(ev->x) == 'E' && ev->y & KBD_CTRL)) {
menu->selected = menu->ni - 1;
s = 1;
} else if (ev->x > ' ') {
int i;
s = 1;
for (i = 0; i < menu->ni; i++) {
if (charset_upcase(ev->x, 0)
== menu->hotkeys[i]) {
menu->selected = i;
s = 2;
}
}
}
if (!s) {
delete_window_ev(win, KBD_ESCAPE_MENU(ev->x)
|| ev->y & KBD_ALT
? ev
: NULL);
break;
}
draw_to_window(win, display_mainmenu, menu);
if (s == 2)
select_mainmenu(win->term, menu);
break;
case EV_ABORT:
break;
}
}
struct menu_item *
new_menu(int free_i)
{
struct menu_item *mi;
mi = mem_calloc(sizeof(struct menu_item));
mi->free_i = free_i;
return mi;
}
void
add_to_menu(struct menu_item **mi, unsigned char *text, unsigned char *rtext,
unsigned char *hotkey,
void (*func)(struct terminal *, void *, void *), void *data,
int in_m, int pos)
{
struct menu_item *mii;
int n;
if (pos != -1) {
n = pos;
if ((*mi)[n].text)
internal("invalid menu position %d", n);
} else
for (n = 0; (*mi)[n].text; n++)
if (n == INT_MAX)
overalloc();
if (((unsigned)n + 2) > INT_MAX / sizeof(struct menu_item))
overalloc();
mii = xrealloc(*mi, (n + 2) * sizeof(struct menu_item));
*mi = mii;
memcpy(mii + n + 1, mii + n, sizeof(struct menu_item));
mii[n].text = text;
mii[n].rtext = rtext;
mii[n].hotkey = hotkey;
mii[n].func = func;
mii[n].data = data;
mii[n].in_m = in_m;
}
void
do_dialog(struct terminal *term, struct dialog *dlg, struct memory_list *ml)
{
struct dialog_data *dd;
struct dialog_item *d;
int n = 0;
for (d = dlg->items; d->type != D_END; d++) {
if (n == INT_MAX)
overalloc();
n++;
}
if ((unsigned)n > (INT_MAX - sizeof(struct dialog_data))
/ sizeof(struct dialog_item_data))
overalloc();
dd = mem_calloc(sizeof(struct dialog_data)
+ sizeof(struct dialog_item_data) * n);
dd->dlg = dlg;
dd->n = n;
dd->ml = ml;
add_window(term, dialog_func, dd);
}
void
display_dlg_item(struct dialog_data *dlg, struct dialog_item_data *di, int sel)
{
struct terminal *term = dlg->win->term;
unsigned char co;
unsigned char *text, *t;
int vposlen, cposlen;
switch (di->item->type) {
case D_CHECKBOX:
/* radio or checkbox */
if (di->checked)
print_text(term, di->x, di->y, 3, cast_uchar "[X]",
COLOR_DIALOG_CHECKBOX);
else
print_text(term, di->x, di->y, 3, cast_uchar "[ ]",
COLOR_DIALOG_CHECKBOX);
if (sel) {
set_cursor(term, di->x + 1, di->y, di->x + 1, di->y);
set_window_ptr(dlg->win, di->x, di->y);
}
break;
case D_FIELD:
case D_FIELD_PASS:
fill_area(term, di->x, di->y, di->l, 1, ' ',
COLOR_DIALOG_FIELD);
if (di->vpos > di->cpos)
di->vpos = di->cpos;
vposlen = strlen((char *)(di->cdata + di->vpos));
cposlen = strlen((char *)(di->cdata + di->cpos));
if (!di->l) {
di->vpos = di->cpos;
vposlen = cposlen;
} else {
while (vposlen - cposlen > di->l - 1) {
t = di->cdata + di->vpos;
GET_TERM_CHAR(term, &t);
di->vpos = (int)(t - di->cdata);
vposlen--;
}
}
if (di->item->type == D_FIELD_PASS) {
t = xmalloc(vposlen + 1);
memset(t, '*', vposlen);
t[vposlen] = 0;
} else {
t = di->cdata + di->vpos;
}
print_text(term, di->x, di->y, di->l, t,
COLOR_DIALOG_FIELD_TEXT);
if (di->item->type == D_FIELD_PASS)
free(t);
if (sel) {
set_cursor(term, di->x + vposlen - cposlen, di->y,
di->x + vposlen - cposlen, di->y);
set_window_ptr(dlg->win, di->x, di->y);
}
break;
case D_BUTTON:
co = sel ? COLOR_DIALOG_BUTTON_SELECTED : COLOR_DIALOG_BUTTON;
text = get_text_translation(di->item->text, term);
print_text(term, di->x, di->y, 2, cast_uchar "[ ", co);
print_text(term, di->x + 2, di->y, strlen((char *)text), text,
co);
print_text(term, di->x + 2 + strlen((char *)text), di->y, 2,
cast_uchar " ]", co);
if (sel) {
set_cursor(term, di->x + 2, di->y, di->x + 2, di->y);
set_window_ptr(dlg->win, di->x, di->y);
}
break;
default:
internal("display_dlg_item: unknown item: %d", di->item->type);
}
}
struct dspd {
struct dialog_data *dlg;
struct dialog_item_data *di;
int sel;
};
static void
u_display_dlg_item(struct terminal *term, void *p)
{
struct dspd *d = p;
display_dlg_item(d->dlg, d->di, d->sel);
}
static void
x_display_dlg_item(struct dialog_data *dlg, struct dialog_item_data *di,
int sel)
{
struct dspd dspd;
dspd.dlg = dlg;
dspd.di = di;
dspd.sel = sel;
draw_to_window(dlg->win, u_display_dlg_item, &dspd);
}
static void
dlg_select_item(struct dialog_data *dlg, struct dialog_item_data *di)
{
if (di->item->type == D_CHECKBOX) {
if (!di->item->gid)
di->checked = *(int *)di->cdata = !*(int *)di->cdata;
else {
int i;
for (i = 0; i < dlg->n; i++) {
if (dlg->items[i].item->type == D_CHECKBOX
&& dlg->items[i].item->gid
== di->item->gid) {
*(int *)dlg->items[i].cdata =
di->item->gnum;
dlg->items[i].checked = 0;
x_display_dlg_item(dlg, &dlg->items[i],
0);
}
}
di->checked = 1;
}
x_display_dlg_item(dlg, di, 1);
} else if (di->item->type == D_BUTTON)
di->item->fn(dlg, di);
}
static unsigned char *
dlg_get_history_string(struct terminal *term, struct history_item *hi, int l)
{
unsigned char *s;
int ch = 0;
s = stracpy(hi->str);
if (strlen(cast_const_char s) >= (size_t)l)
s[l - 1] = 0;
if (!ch) {
int r = (int)strlen(cast_const_char s);
unsigned char *p = s;
while (r) {
int chl = utf8chrlen(*p);
if (chl > r) {
*p = 0;
break;
}
p += chl;
r -= chl;
}
}
return s;
}
static void
dlg_set_history(struct terminal *term, struct dialog_item_data *di)
{
unsigned char *s;
if (di->cur_hist == &di->history)
s = stracpy(cast_uchar "");
else
s = dlg_get_history_string(
term, list_struct(di->cur_hist, struct history_item),
di->item->dlen);
strcpy(cast_char di->cdata, cast_const_char s);
di->cpos = (int)strlen(cast_const_char s);
di->vpos = 0;
free(s);
}
static int
dlg_mouse(struct dialog_data *dlg, struct dialog_item_data *di,
struct links_event *ev)
{
switch (di->item->type) {
case D_BUTTON:
if (ev->y != di->y || ev->x < di->x
|| ev->x >= di->x
+ strlen((char *)get_text_translation(
di->item->text, dlg->win->term))
+ 4)
return 0;
if (dlg->selected != di - dlg->items) {
x_display_dlg_item(dlg, &dlg->items[dlg->selected], 0);
dlg->selected = (int)(di - dlg->items);
x_display_dlg_item(dlg, di, 1);
}
if ((ev->b & BM_ACT) == B_UP)
dlg_select_item(dlg, di);
return 1;
case D_FIELD:
case D_FIELD_PASS:
if (ev->y != di->y || ev->x < di->x || ev->x >= di->x + di->l)
return 0;
int p, u;
unsigned char *t = di->cdata;
p = di->x - di->vpos;
while (1) {
di->cpos = (int)(t - di->cdata);
if (!*t)
break;
GET_UTF_8(t, u);
if (!u)
continue;
p++;
if (p > ev->x)
break;
}
if (dlg->selected != di - dlg->items) {
x_display_dlg_item(dlg, &dlg->items[dlg->selected], 0);
dlg->selected = (int)(di - dlg->items);
x_display_dlg_item(dlg, di, 1);
} else
x_display_dlg_item(dlg, di, 1);
return 1;
case D_CHECKBOX:
if (ev->y != di->y || ev->x < di->x || ev->x >= di->x + 3)
return 0;
if (dlg->selected != di - dlg->items) {
x_display_dlg_item(dlg, &dlg->items[dlg->selected], 0);
dlg->selected = (int)(di - dlg->items);
x_display_dlg_item(dlg, di, 1);
}
if ((ev->b & BM_ACT) == B_UP)
dlg_select_item(dlg, di);
return 1;
}
return 0;
}
static void