/*
==================
Info_SetValueForKey
==================
*/
qboolean Info_SetValueForKey( char *s, const char *key, const char *value ) {
char newi[MAX_INFO_STRING], *v;
size_t l, kl, vl;
int c;
// validate key
kl = Info_SubValidate( key );
if( kl >= MAX_QPATH ) {
return qfalse;
}
// validate value
vl = Info_SubValidate( value );
if( vl >= MAX_QPATH ) {
return qfalse;
}
Info_RemoveKey( s, key );
if( !vl ) {
return qtrue;
}
l = strlen( s );
if( l + kl + vl + 2 >= MAX_INFO_STRING ) {
return qfalse;
}
newi[0] = '\\';
memcpy( newi + 1, key, kl );
newi[kl + 1] = '\\';
memcpy( newi + kl + 2, value, vl + 1 );
// only copy ascii values
s += l;
v = newi;
while( *v ) {
c = *v++;
c &= 127; // strip high bits
if( Q_isprint( c ) )
*s++ = c;
}
*s = 0;
return qtrue;
}
/*
================
COM_strclr
Operates inplace, normalizing high-bit and removing unprintable characters.
Returns final number of characters, not including the NUL character.
================
*/
size_t COM_strclr( char *s ) {
char *p;
int c;
size_t len;
p = s;
len = 0;
while( *s ) {
c = *s++;
c &= 127;
if( Q_isprint( c ) ) {
*p++ = c;
len++;
}
}
*p = 0;
return len;
}
sfxHandle_t ScrollList_Key(menulist_s *l, int key)
{
int x;
int y;
int w;
int i;
int j;
int c;
int cursorx;
int cursory;
int column;
int index;
switch (key) {
case K_MOUSE1:
if (l->generic.flags & QMF_HASMOUSEFOCUS) {
// check scroll region
x = l->generic.x;
y = l->generic.y;
w = ((l->width + l->seperation) * l->columns - l->seperation) * SMALLCHAR_SIZE;
if (l->generic.flags & QMF_CENTER_JUSTIFY) {
x -= w / 2;
}
if (UI_CursorInRect(x, y, w, l->height*SMALLCHAR_SIZE)) {
cursorx = (uis.cursorx - x)/SMALLCHAR_SIZE;
column = cursorx / (l->width + l->seperation);
cursory = (uis.cursory - y)/SMALLCHAR_SIZE;
index = column * l->height + cursory;
if (l->top + index < l->numitems) {
l->oldvalue = l->curvalue;
l->curvalue = l->top + index;
if (l->oldvalue != l->curvalue && l->generic.callback) {
l->generic.callback(l, QM_GOTFOCUS);
return (menu_move_sound);
}
}
}
// absorbed, silent sound effect
return (menu_null_sound);
}
break;
case K_KP_HOME:
case K_HOME:
l->oldvalue = l->curvalue;
l->curvalue = 0;
l->top = 0;
if (l->oldvalue != l->curvalue && l->generic.callback) {
l->generic.callback(l, QM_GOTFOCUS);
return (menu_move_sound);
}
return (menu_buzz_sound);
case K_KP_END:
case K_END:
l->oldvalue = l->curvalue;
l->curvalue = l->numitems-1;
if (l->columns > 1) {
c = (l->curvalue / l->height + 1) * l->height;
l->top = c - (l->columns * l->height);
} else {
l->top = l->curvalue - (l->height - 1);
}
if (l->top < 0) {
l->top = 0;
}
if (l->oldvalue != l->curvalue && l->generic.callback) {
l->generic.callback(l, QM_GOTFOCUS);
return (menu_move_sound);
}
return (menu_buzz_sound);
case K_PGUP:
case K_KP_PGUP:
if (l->columns > 1) {
return menu_null_sound;
}
if (l->curvalue > 0) {
l->oldvalue = l->curvalue;
l->curvalue -= l->height-1;
if (l->curvalue < 0) {
l->curvalue = 0;
}
l->top = l->curvalue;
if (l->top < 0) {
l->top = 0;
}
if (l->generic.callback) {
l->generic.callback(l, QM_GOTFOCUS);
}
return (menu_move_sound);
}
return (menu_buzz_sound);
case K_PGDN:
case K_KP_PGDN:
if (l->columns > 1) {
return menu_null_sound;
}
if (l->curvalue < l->numitems-1) {
l->oldvalue = l->curvalue;
l->curvalue += l->height-1;
if (l->curvalue > l->numitems-1) {
l->curvalue = l->numitems-1;
}
l->top = l->curvalue - (l->height-1);
if (l->top < 0) {
l->top = 0;
}
if (l->generic.callback) {
l->generic.callback(l, QM_GOTFOCUS);
}
return (menu_move_sound);
}
return (menu_buzz_sound);
case K_KP_UPARROW:
case K_UPARROW:
if (l->curvalue == 0) {
return menu_buzz_sound;
}
l->oldvalue = l->curvalue;
l->curvalue--;
if (l->curvalue < l->top) {
if (l->columns == 1) {
l->top--;
} else {
l->top -= l->height;
}
}
if (l->generic.callback) {
l->generic.callback(l, QM_GOTFOCUS);
}
return (menu_move_sound);
case K_KP_DOWNARROW:
case K_DOWNARROW:
if (l->curvalue == l->numitems - 1) {
return menu_buzz_sound;
}
l->oldvalue = l->curvalue;
l->curvalue++;
if (l->curvalue >= l->top + l->columns * l->height) {
if (l->columns == 1) {
l->top++;
} else {
l->top += l->height;
}
}
if (l->generic.callback) {
l->generic.callback(l, QM_GOTFOCUS);
}
return menu_move_sound;
case K_KP_LEFTARROW:
case K_LEFTARROW:
if (l->columns == 1) {
return menu_null_sound;
}
if (l->curvalue < l->height) {
return menu_buzz_sound;
}
l->oldvalue = l->curvalue;
l->curvalue -= l->height;
if (l->curvalue < l->top) {
l->top -= l->height;
}
if (l->generic.callback) {
l->generic.callback(l, QM_GOTFOCUS);
}
return menu_move_sound;
case K_KP_RIGHTARROW:
case K_RIGHTARROW:
if (l->columns == 1) {
return menu_null_sound;
}
c = l->curvalue + l->height;
if (c >= l->numitems) {
return menu_buzz_sound;
}
l->oldvalue = l->curvalue;
l->curvalue = c;
if (l->curvalue > l->top + l->columns * l->height - 1) {
l->top += l->height;
}
if (l->generic.callback) {
l->generic.callback(l, QM_GOTFOCUS);
}
return menu_move_sound;
}
// cycle look for ascii key inside list items
if (!Q_isprint(key)) {
return 0;
}
// force to lower for case insensitive compare
if (Q_isupper(key)) {
key -= 'A' - 'a';
}
// iterate list items
for (i=1; i<=l->numitems; i++) {
j = (l->curvalue + i) % l->numitems;
c = l->itemnames[j][0];
if (Q_isupper(c)) {
c -= 'A' - 'a';
}
if (c == key) {
// set current item, mimic windows listbox scroll behavior
if (j < l->top) {
// behind top most item, set this as new top
l->top = j;
} else if (j > l->top+l->height-1) {
// past end of list box, do page down
l->top = (j+1) - l->height;
}
if (l->curvalue != j) {
l->oldvalue = l->curvalue;
l->curvalue = j;
if (l->generic.callback)
l->generic.callback(l, QM_GOTFOCUS);
return (menu_move_sound);
}
return (menu_buzz_sound);
}
}
return (menu_buzz_sound);
}
/*
==================
Info_Validate
Some characters are illegal in info strings because they
can mess up the server's parsing.
Also checks the length of keys/values and the whole string.
==================
*/
qboolean Info_Validate( const char *s ) {
size_t len, total;
int c;
total = 0;
while( 1 ) {
//
// validate key
//
if( *s == '\\' ) {
s++;
if( ++total == MAX_INFO_STRING ) {
return qfalse; // oversize infostring
}
}
if( !*s ) {
return qfalse; // missing key
}
len = 0;
while( *s != '\\' ) {
c = *s++;
if( !Q_isprint( c ) || c == '\"' || c == ';' ) {
return qfalse; // illegal characters
}
if( ++len == MAX_INFO_KEY ) {
return qfalse; // oversize key
}
if( ++total == MAX_INFO_STRING ) {
return qfalse; // oversize infostring
}
if( !*s ) {
return qfalse; // missing value
}
}
//
// validate value
//
s++;
if( ++total == MAX_INFO_STRING ) {
return qfalse; // oversize infostring
}
if( !*s ) {
return qfalse; // missing value
}
len = 0;
while( *s != '\\' ) {
c = *s++;
if( !Q_isprint( c ) || c == '\"' || c == ';' ) {
return qfalse; // illegal characters
}
if( ++len == MAX_INFO_VALUE ) {
return qfalse; // oversize value
}
if( ++total == MAX_INFO_STRING ) {
return qfalse; // oversize infostring
}
if( !*s ) {
return qtrue; // end of string
}
}
}
return qfalse; // quiet compiler warning
}