/**
* @brief Destroys an OSD.
*
* @param osd ID of the OSD to destroy.
*/
int osd_destroy( unsigned int osd )
{
int i;
OSD_t *ll;
for (i=0; i<array_size( osd_list ); i++) {
ll = &osd_list[i];
if (ll->id != osd)
continue;
/* Clean up. */
osd_free( &osd_list[i] );
/* Remove. */
array_erase( &osd_list, &osd_list[i], &osd_list[i+1] );
/* Recalculate dimensions. */
osd_calcDimensions();
/* Remove the OSD, if empty. */
if (array_size(osd_list) == 0)
osd_exit();
/* Done here. */
return 0;
}
WARN("OSD '%u' not found to destroy.", osd );
return 0;
}
/**
* @brief Destroys an OSD.
*
* @param osd ID of the OSD to destroy.
*/
int osd_destroy( unsigned int osd )
{
OSD_t *ll, *lp;
lp = NULL;
for (ll = osd_list; ll != NULL; ll = ll->next) {
/* Matches. */
if (ll->id == osd) {
/* Remove from list. */
if (lp == NULL)
osd_list = ll->next;
else
lp->next = ll->next;
/* Free. */
osd_free( ll );
/* Recalculate dimensions. */
osd_calcDimensions();
return 0;
}
/* Save last iteration. */
lp = ll;
}
return -1;
}
/**
* @brief Creates an on-screen display.
*
* @param title Title of the display.
* @param nitems Number of items in the display.
* @param items Items in the display.
* @return ID of newly created OSD.
*/
unsigned int osd_create( const char *title, int nitems, const char **items, int priority )
{
int i, j, n, m, l, s, w, t, id;
OSD_t *osd;
/* Create. */
if (osd_list == NULL)
osd_list = array_create( OSD_t );
osd = &array_grow( &osd_list );
memset( osd, 0, sizeof(OSD_t) );
osd->id = ++osd_idgen;
osd->active = 0;
/* Copy text. */
osd->title = strdup(title);
osd->priority = priority;
osd->msg = malloc( sizeof(char*) * nitems );
osd->items = malloc( sizeof(OSDmsg_s) * nitems );
osd->nitems = nitems;
for (i=0; i<osd->nitems; i++) {
osd->msg[i] = strdup( items[i] );
l = strlen(osd->msg[i]); /* Message length. */
n = 0; /* Text position. */
j = 0; /* Lines. */
m = 0; /* Allocated Memory. */
t = 0; /* Tabbed? */
osd->items[i].chunks = NULL;
w = osd_w-osd_hyphenLen;
while (n < l) {
/* Test if tabbed. */
if (j==0) {
if (items[i][n] == '\t') {
t = 1;
w = osd_w - osd_tabLen;
}
else {
t = 0;
w = osd_w - osd_hyphenLen;
}
}
/* Get text size. */
s = gl_printWidthForText( &gl_smallFont, &items[i][n], w );
if ((j==0) && (t==1))
w -= osd_hyphenLen;
if (j+1 > m) {
if (m==0)
m = 32;
else
m *= 2;
osd->items[i].chunks = realloc( osd->items[i].chunks, m * sizeof(char*));
}
/* Copy text over. */
if (j==0) {
if (t==1) {
osd->items[i].chunks[j] = malloc(s+4);
nsnprintf( osd->items[i].chunks[j], s+4, " %s", &items[i][n+1] );
}
else {
osd->items[i].chunks[j] = malloc(s+3);
nsnprintf( osd->items[i].chunks[j], s+3, "- %s", &items[i][n] );
}
}
else if (t==1) {
osd->items[i].chunks[j] = malloc(s+4);
nsnprintf( osd->items[i].chunks[j], s+4, " %s", &items[i][n] );
}
else {
osd->items[i].chunks[j] = malloc(s+1);
nsnprintf( osd->items[i].chunks[j], s+1, "%s", &items[i][n] );
}
/* Go to next line. */
n += s + 1;
j++;
}
osd->items[i].nchunks = j;
}
/* Sort them buggers. */
id = osd->id; /* WE MUST SAVE THE ID BEFORE WE SORT. Or we get stuck with an invalid osd pointer. */
osd_sort();
/* Recalculate dimensions. */
osd_calcDimensions();
return id;
}
/**
* @brief Creates an on-screen display.
*
* @param title Title of the display.
* @param nitems Number of items in the display.
* @param items Items in the display.
* @return ID of newly created OSD.
*/
unsigned int osd_create( const char *title, int nitems, const char **items, int priority )
{
int i, j, n, m, l, s, w, t;
OSD_t *osd, *ll;
/* Create. */
osd = calloc( 1, sizeof(OSD_t) );
osd->next = NULL;
osd->id = ++osd_idgen;
osd->active = 0;
/* Copy text. */
osd->title = strdup(title);
osd->priority = priority;
osd->msg = malloc( sizeof(char*) * nitems );
osd->items = malloc( sizeof(OSDmsg_s) * nitems );
osd->nitems = nitems;
for (i=0; i<osd->nitems; i++) {
osd->msg[i] = strdup( items[i] );
l = strlen(osd->msg[i]); /* Message length. */
n = 0; /* Text position. */
j = 0; /* Lines. */
m = 0; /* Allocated Memory. */
t = 0; /* Tabbed? */
osd->items[i].chunks = NULL;
w = osd_w-osd_hyphenLen;
while (n < l) {
/* Test if tabbed. */
if (j==0) {
if (items[i][n] == '\t') {
t = 1;
w = osd_w - osd_tabLen;
}
else {
t = 0;
w = osd_w - osd_hyphenLen;
}
}
/* Get text size. */
s = gl_printWidthForText( &gl_smallFont, &items[i][n], w );
if ((j==0) && (t==1))
w -= osd_hyphenLen;
if (j+1 > m) {
m += 32;
osd->items[i].chunks = realloc( osd->items[i].chunks, m * sizeof(char*));
}
/* Copy text over. */
if (j==0) {
if (t==1) {
osd->items[i].chunks[j] = malloc(s+4);
snprintf( osd->items[i].chunks[j], s+4, " %s", &items[i][n+1] );
}
else {
osd->items[i].chunks[j] = malloc(s+3);
snprintf( osd->items[i].chunks[j], s+3, "- %s", &items[i][n] );
}
}
else if (t==1) {
osd->items[i].chunks[j] = malloc(s+4);
snprintf( osd->items[i].chunks[j], s+4, " %s", &items[i][n] );
}
else {
osd->items[i].chunks[j] = malloc(s+1);
snprintf( osd->items[i].chunks[j], s+1, "%s", &items[i][n] );
}
/* Go to next line. */
n += s + 1;
j++;
}
osd->items[i].nchunks = j;
}
/* Append to linked list. */
if (osd_list == NULL)
osd_list = osd;
else {
for (ll = osd_list; ll->next != NULL; ll = ll->next) {
if (ll->next->priority > priority) {
osd->next = ll->next;
break;
}
}
ll->next = osd;
}
/* Recalculate dimensions. */
osd_calcDimensions();
return osd->id;
}
