/**
* @brief Sets the message for an omsg.
*/
static void omsg_setMsg( omsg_t *omsg, const char *msg )
{
int i, l, n, s, m;
glFont *font;
/* Clean up after old stuff. */
if (omsg->msg != NULL) {
for (i=0; i<omsg->nlines; i++)
free( omsg->msg[i] );
free( omsg->msg );
omsg->msg = 0;
omsg->nlines = 0;
}
/* Create data. */
l = strlen( msg );
font = omsg_getFont( omsg->font );
/* First pass size. */
n = 0;
m = 0;
while (n < l) {
s = gl_printWidthForText( font, &msg[n], omsg_center_w );
n += s+1;
m++;
}
/* Avoid zero-length malloc. */
if (m == 0)
return;
/* Second pass allocate. */
omsg->msg = malloc( m * sizeof(char*) );
omsg->nlines = m;
n = 0;
m = 0;
while (n < l) {
s = gl_printWidthForText( font, &msg[n], omsg_center_w );
omsg->msg[m] = malloc( s+1 );
nsnprintf( omsg->msg[m], s+1, "%s", &msg[n] );
m++;
n += s+1;
}
}
/**
* @brief Prints a block of text that fits in the dimensions given.
*
* Positions are based on origin being top-left.
*
* @param ft_font Font to use.
* @param width Maximum width to print to.
* @param height Maximum height to print to.
* @param bx X position to display text at.
* @param by Y position to display text at.
* @param c Colour to use (NULL defaults to white).
* @param fmt Text to display formatted like printf.
* @return 0 on success.
* prints text with line breaks included to a maximum width and height preset
*/
int gl_printTextRaw( const glFont *ft_font,
const int width, const int height,
double bx, double by,
const glColour* c, const char *text )
{
int p, s;
double x,y;
size_t i, ret;
uint32_t ch;
if (ft_font == NULL)
ft_font = &gl_defFont;
glFontStash *stsh = gl_fontGetStash( ft_font );
x = bx;
y = by + height - (double)stsh->h; /* y is top left corner */
/* Clears restoration. */
gl_printRestoreClear();
i = 0;
s = 0;
p = 0; /* where we last drew up to */
while (y - by > -1e-5) {
ret = p + gl_printWidthForText( ft_font, &text[p], width );
/* Must restore stuff. */
gl_printRestoreLast();
/* Render it. */
gl_fontRenderStart(stsh, x, y, c);
for (i=p; i<ret; ) {
ch = u8_nextchar( text, &i);
s = gl_fontRenderGlyph( stsh, ch, c, s );
}
gl_fontRenderEnd();
if (ch == '\0')
break;
p = i;
if ((text[p] == '\n') || (text[p] == ' '))
p++; /* Skip "empty char". */
y -= 1.5*(double)stsh->h; /* move position down */
}
return 0;
}
/**
* @brief Creates a news widget.
*
* @param wid Window to create news widget on.
* @param x X position of the widget to create.
* @param y Y position of the widget to create.
* @param w Width of the widget.
* @param h Height of the widget.
*/
void news_widget( unsigned int wid, int x, int y, int w, int h )
{
int i, p, len;
char buf[4096];
/* Sane defaults. */
news_pos = h/3;
news_tick = SDL_GetTicks();
/* Clean news lines. */
news_cleanLines();
/* Load up the news in a string. */
p = 0;
for (i=0; i<news_nbuf; i++) {
p += snprintf( &buf[p], 2048-p,
"%s\n\n"
"%s\n\n\n\n"
, news_buf[i].title, news_buf[i].desc );
}
len = p;
/* Now load up the text. */
p = 0;
news_nlines = 0;
while (p < len) {
/* Get the length. */
i = gl_printWidthForText( NULL, &buf[p], w-40 );
/* Copy the line. */
if (news_nlines+1 > news_mlines) {
news_mlines += 128;
news_lines = realloc( news_lines, sizeof(char*) * news_mlines );
}
news_lines[news_nlines] = malloc( i + 1 );
strncpy( news_lines[news_nlines], &buf[p], i );
news_lines[news_nlines][i] = '\0';
p += i + 1; /* Move pointer. */
news_nlines++; /* New line. */
}
/* Create the custom widget. */
window_addCust( wid, x, y, w, h,
"cstNews", 1, news_render, news_mouse, NULL );
}
/**
* @brief Loads the intro stuff.
*/
static int intro_load( const char *text )
{
uint32_t intro_size;
char *intro_buf;
int i, p, n;
int mem;
/* Load text. */
intro_buf = ndata_read( text, &intro_size );
intro_length = intro_size; /* Length aproximation. */
/* Create intro font. */
gl_fontInit( &intro_font, NULL, INTRO_FONT_SIZE );
/* Load lines. */
p = 0;
n = 0;
mem = 0;
while ((uint32_t)p < intro_size) {
/* Get the length. */
i = gl_printWidthForText( &intro_font, &intro_buf[p], SCREEN_W - 200. );
/* Copy the line. */
if (n+1 > mem) {
mem += 128;
intro_lines = realloc( intro_lines, sizeof(char*) * mem );
}
intro_lines[n] = malloc( i + 1 );
strncpy( intro_lines[n], &intro_buf[p], i );
intro_lines[n][i] = '\0';
p += i + 1; /* Move pointer. */
n++; /* New line. */
}
/* Clean up. */
free(intro_buf);
intro_nlines = n;
return 0;
}
/**
* @brief Gets the height of a non-formatted string.
*
* Does not display the text on screen.
*
* @param ft_font Font to use (NULL defaults to gl_defFont).
* @param width Width to jump to next line once reached.
* @param fmt Text to get the height of in printf format.
* @return The height of the text.
*/
int gl_printHeightRaw( const glFont *ft_font,
const int width, const char *text )
{
int i, p;
double y;
if (ft_font == NULL)
ft_font = &gl_defFont;
/* Check 0 length strings. */
if (text[0] == '\0')
return 0;
y = 0.;
p = 0;
do {
i = gl_printWidthForText( ft_font, &text[p], width );
p += i + 1;
y += 1.5*(double)ft_font->h; /* move position down */
} while (text[p-1] != '\0');
return (int) (y - 0.5*(double)ft_font->h);
}
/**
* @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 Loads the intro stuff.
*/
static int intro_load( const char *text )
{
uint32_t intro_size;
char *intro_buf;
char img_src[128]; /* path to image to be displayed alongside text. */
int length;
int i, p, n;
int mem;
has_side_gfx = 0;
/* Load text. */
intro_buf = ndata_read( text, &intro_size );
intro_length = intro_size; /* Length aproximation. */
/* Create intro font. */
gl_fontInit( &intro_font, "dat/mono.ttf", INTRO_FONT_SIZE );
/* Load lines. */
p = 0;
n = 0;
mem = 0;
while ((uint32_t)p < intro_size) {
/* Copy the line. */
if (n+1 > mem) {
mem += 128;
intro_lines = realloc( intro_lines, sizeof(char*) * mem );
}
if ( intro_buf[p] == '[' /* Don't do sscanf for every line! */
&& sscanf( &intro_buf[p], "[fadein %s", img_src ) == 1 ) {
/* an image to appear next to text. */
/* Get the length. */
for (i = 0; intro_buf[p + i] != '\n' && intro_buf[p + i] != '\0'; ++i);
length = strlen( img_src );
intro_lines[n] = malloc( length + 2 );
intro_lines[n][0] = 'i';
strncpy( &intro_lines[n][1], img_src, length );
intro_lines[n][length] = '\0';
/* Mark that there are graphics. */
has_side_gfx = 1;
} else if ( intro_buf[p] == '[' /* Don't do strncmp for every line! */
&& strncmp( &intro_buf[p], "[fadeout]", 9 ) == 0 ) {
/* fade out the image next to the text. */
for (i = 0; intro_buf[p + i] != '\n' && intro_buf[p + i] != '\0'; ++i);
intro_lines[n] = malloc( 2 );
intro_lines[n][0] = 'o';
intro_lines[n][1] = '\0'; /* not strictly necessary, but safe. */
} else {
/* plain old text. */
/* Get the length. */
i = gl_printWidthForText( &intro_font,
&intro_buf[p],
SCREEN_W - 500. );
intro_lines[n] = malloc( i + 2 );
intro_lines[n][0] = 't';
strncpy( &intro_lines[n][1], &intro_buf[p], i );
intro_lines[n][i+1] = '\0';
}
p += i + 1; /* Move pointer. */
n++; /* New line. */
}
/* Clean up. */
free(intro_buf);
intro_nlines = n;
return 0;
}
/**
* @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;
}