void read_input(SearchInfo& search_info)
{
int bytes;
char input[256] = "", *endc;
if(input_waiting())
{
search_info.stopped = 1;
do
{
bytes = read(fileno(stdin), input, 256);
} while (bytes < 0);
endc = strchr(input, '\n');
if(endc) *endc=0;
if(strlen(input) > 0)
{
if(!strncmp(input, "quit", 4))
{
search_info.quit = 1;
}
}
return;
}
}
/*
* Checks to see if there is a command waiting on stdin and, if there is,
* sends it to the command handler.
*
* 'usr' is a pointer to any user data that should be passed to executed
* commands; 'cmds' is a pointer to an END_CMDS-terminated array of command
* definitions (see cmd.h for details).
*/
enum error
check_commands(void *usr, const struct cmd *cmds)
{
enum error err = E_OK;
if (input_waiting())
err = handle_cmd(usr, cmds, stdin, NULL);
return err;
}
void alert_box(char *s) /* alert the user to an error */
{
char *b;
int x, y, w;
w = strlen(s) + 20;
b = prepare_popup("Error", &x, &y, &w);
hide_c();
mywrite(s);
clear_keybuf();
while (m_b)
poll_mouse();
while ((!input_waiting()) && (!m_b))
poll_mouse();
if (input_waiting())
input_char();
else
while (m_b)
poll_mouse();
show_c();
end_popup(b, &x, &y, &w);
}
int do_input_text(char *buf, int size, int width, int (*valid)(char), int (*proc)(int, char *, int *, int *), int mouse_flag, int (*mouse_proc)(int x, int y, char *buf, int *oldlen))
{
KEYPRESS k;
int key;
int askey;
int ret;
int x, y, len, cpos;
int oldlen, c;
int gap;
int sel = TRUE;
x = x_pos;
y = y_pos;
len = oldlen = cpos = strlen(buf);
n_vid();
do {
goto1(x, y);
if ((width > 0) && (len > width)) {
gap = len - width;
pch('.');
pch('.');
pch('.');
pch(' ');
mywrite(buf+gap+4);
}
else {
gap = 0;
mywrite(buf);
}
hi_vid();
for (c=len-gap; c < ((width > 0) ? width : oldlen); c++)
pch(' ');
oldlen = len;
if (cpos-gap > 0)
goto2(x+cpos-gap, y);
else
goto2(x, y);
show_c();
if (mouse_flag) {
display_mouse();
while (m_b)
poll_mouse();
while (TRUE) {
if (input_waiting()) {
k = input_char();
key = k.key;
if ((ascii(key) == CR) && (k.flags & KF_CTRL))
key = LF;
if (key)
break;
}
poll_mouse();
if ((m_b) && (mouse_proc)) {
hide_c();
key = (*mouse_proc)(x, y, buf, &oldlen);
len = cpos = strlen(buf);
sel = FALSE;
show_c();
if (key > 0)
break;
}
}
hide_mouse();
}
else {
while (m_b)
poll_mouse();
while ((!input_waiting()) && (!m_b))
poll_mouse();
if (m_b) {
if (m_b & 2)
key = ESC;
else
key = CR;
}
else {
k = input_char();
key = k.key;
if ((ascii(key) == CR) && (k.flags & KF_CTRL))
key = LF;
}
}
if ((!proc) || (!(*proc)(key, buf, &len, &cpos))) {
if ((key==CTRL_G) || (key==CTRL_C))
askey=ESC;
else
askey=ascii((char)key);
if ((askey==ESC) || (askey==CR) || (askey==LF)) {
ret = askey;
break;
}
if (key==LEFT_ARROW) {
if (cpos > 0)
cpos--;
}
else if (key==RIGHT_ARROW) {
if (cpos < len)
cpos++;
}
else if (key==K_HOME) {
cpos = 0;
}
else if (key==K_END) {
cpos = MAX(len, 0);
}
else {
if ((sel) && ((key==K_DELETE) || (askey==BACKSPACE) ||
((*valid)(askey)))) {
len = cpos = 0;
buf[0] = 0;
}
if (key==K_DELETE) {
if (cpos < len) {
for (c=cpos; c<len; c++)
buf[c] = buf[c+1];
len--;
}
}
else if (askey==BACKSPACE) {
if (cpos > 0) {
cpos--;
for (c=cpos; c<len; c++)
buf[c] = buf[c+1];
len--;
}
}
else {
if ((len<size) && ((*valid)(askey))) {
len++;
for (c=len; c>cpos; c--)
buf[c] = buf[c-1];
buf[cpos++]=askey;
}
}
}
if (proc)
(*proc)(-1, buf, &len, &cpos);
}
sel = FALSE;
} while (TRUE);
n_vid();
return ret;
}
int do_listbox(LISTBOX *l, int *oklist, int *cancellist, int init_key, int instant_mouse)
{
int key;
int *pos;
int done;
int ret;
int c;
char *b = save_screen(l->x, l->y, l->w, l->h);
int is_key;
hide_c();
draw_listbox(l);
l->key = init_key;
l->key2 = -1;
display_mouse();
while (m_b) {
poll_mouse();
if ((instant_mouse) &&
((m_b & 2) ||
(mouse_inside_list(l)) ||
((mouse_inside_parent(l)) &&
(get_mouse_item(l->parent) != l->parent->current))))
break;
}
do {
if (l->key == -1) {
while (!input_waiting()) {
poll_mouse();
if (m_b)
break;
}
if (input_waiting()) {
key = input_char().key;
is_key = TRUE;
}
else {
int ox, oy, ob;
int sel_item;
int first = TRUE;
key = 0;
is_key = FALSE;
while (m_b) {
if ((m_b & 2) && (!(l->flags & LISTBOX_USE_RMB))) {
key = ESC;
is_key = TRUE;
break;
}
sel_item = -1;
if (mouse_inside_list(l)) {
l->current = get_mouse_item(l);
if (l->current >= l->count)
l->current = l->count-1;
else
sel_item = l->current;
}
hide_mouse();
draw_contents(l);
display_mouse();
if (first) {
if (sel_item >= 0) {
if (l->flags & LISTBOX_MOUSE_OK) {
key = CR;
is_key = TRUE;
break;
}
if (!(l->flags & LISTBOX_MOUSE_OK2)) {
if (!mouse_dclick(FALSE)) {
if (mouse_dclick(TRUE)) {
key = CR;
is_key = TRUE;
break;
}
}
}
}
else if (mouse_outside_list(l)) {
if (l->flags & LISTBOX_MOUSE_CANCEL) {
key = ESC;
is_key = TRUE;
break;
}
}
first = FALSE;
}
if (mouse_inside_parent(l)) {
if (l->flags & LISTBOX_MOUSE_CANCEL) {
key = ESC;
is_key = TRUE;
break;
}
}
if (l->flags & LISTBOX_SCROLL) {
int changed = FALSE;
if ((m_y < l->y + l->yoff) && (l->scroll > 0)) {
l->scroll--;
l->current = l->scroll;
m_y = -1;
changed = TRUE;
}
else if ((m_y >= l->y + l->yoff + l->height) &&
(l->scroll < l->count - l->height)) {
l->scroll++;
l->current = l->scroll + l->height - 1;
if (l->current >= l->count)
l->current = l->count-1;
m_y = -1;
changed = TRUE;
}
if (changed) {
hide_mouse();
draw_contents(l);
display_mouse();
delay(20);
}
}
do {
ox = m_x;
oy = m_y;
ob = m_b;
poll_mouse();
} while ((m_x == ox) && (m_y == oy) &&
(m_b == ob) && (m_b) &&
(!input_waiting()));
if ((!m_b) && (sel_item >= 0) &&
(l->flags & LISTBOX_MOUSE_OK2)) {
key = CR;
is_key = TRUE;
break;
}
}
}
}
else {
key = l->key;
l->key = l->key2;
l->key2 = -1;
is_key = TRUE;
}
done = FALSE;
if (is_key) {
pos = oklist;
while (*pos) {
if ((*pos == key) || (ascii(key)==CR) || (ascii(key)==LF)) {
if ((l->current >= 0) && (l->current < l->count)) {
hide_mouse();
if (l->data[l->current].click_proc)
ret = (l->data[l->current].click_proc)
(l, l->data+l->current);
else
ret = l->data[l->current].data;
if (ret >= 0) {
l->key = key;
restore_screen(l->x, l->y, l->w, l->h, b);
show_c();
return ret;
}
else {
hide_c();
display_mouse();
}
}
done = TRUE;
break;
}
pos++;
}
if (!done) {
pos = cancellist;
while (*pos) {
if ((*pos == key) || (ascii(key)==ESC)) {
hide_mouse();
l->key = key;
restore_screen(l->x, l->y, l->w, l->h, b);
show_c();
return -1;
}
pos++;
}
}
if (!done) {
if (key==LEFT_ARROW)
l->current--;
else if (key==UP_ARROW)
l->current -= l->width;
else if (key==RIGHT_ARROW)
l->current++;
else if (key==DOWN_ARROW)
l->current += l->width;
else if (key==PAGE_UP)
l->current -= l->width * l->height - 1;
else if (key==PAGE_DOWN)
l->current += l->width * l->height - 1;
else if (key==K_HOME)
l->current = 0;
else if (key==K_END)
l->current = l->count-1;
else if (l->process_proc)
if ((*l->process_proc)(l, key))
goto skip;
for (c=0; c<l->count; c++)
if (tolower(l->data[c].text[0]) == tolower(ascii(key))) {
l->current = c;
if (l->flags & LISTBOX_FASTKEY)
l->key = oklist[0];
break;
}
skip:
if (l->current < 0) {
if (l->flags & LISTBOX_WRAP)
l->current = MAX(0, l->count-1);
else
l->current = 0;
}
else if (l->current >= l->count) {
if (l->flags & LISTBOX_WRAP)
l->current = 0;
else
l->current = MAX(0, l->count-1);
}
while (l->current < l->scroll)
l->scroll -= l->width;
while (l->current >= l->scroll+l->width*l->height)
l->scroll += l->width;
}
}
hide_mouse();
draw_contents(l);
display_mouse();
} while (TRUE);
}
