void StringPrintCorpusLine(FILE *stream, char *text, long offset,
int halflinelen, int wordlen)
{
char buf[LINELEN];
int startpos, len;
/* What precedes word. */
startpos = IntMax(0, offset - halflinelen);
len = offset - startpos;
memcpy(buf, text + startpos, (size_t)len);
buf[len] = TERM;
StringPrintJustify(stream, buf, halflinelen, RPT_JUST_RIGHT);
/* Word and what follows word. */
StringPrintJustify(stream, text + offset, halflinelen + wordlen,
RPT_JUST_LEFT);
}
/* Calculate and initialize text and button locations. */
static int
X11_MessageBoxInitPositions( SDL_MessageBoxDataX11 *data )
{
int i;
int ybuttons;
int text_width_max = 0;
int button_text_height = 0;
int button_width = MIN_BUTTON_WIDTH;
const SDL_MessageBoxData *messageboxdata = data->messageboxdata;
/* Go over text and break linefeeds into separate lines. */
if ( messageboxdata->message && messageboxdata->message[ 0 ] ) {
const char *text = messageboxdata->message;
TextLineData *plinedata = data->linedata;
for ( i = 0; i < MAX_TEXT_LINES; i++, plinedata++ ) {
int height;
char *lf = SDL_strchr( ( char * )text, '\n' );
data->numlines++;
/* Only grab length up to lf if it exists and isn't the last line. */
plinedata->length = ( lf && ( i < MAX_TEXT_LINES - 1 ) ) ? ( lf - text ) : SDL_strlen( text );
plinedata->text = text;
GetTextWidthHeight( data, text, plinedata->length, &plinedata->width, &height );
/* Text and widths are the largest we've ever seen. */
data->text_height = IntMax( data->text_height, height );
text_width_max = IntMax( text_width_max, plinedata->width );
if (lf && (lf > text) && (lf[-1] == '\r')) {
plinedata->length--;
}
text += plinedata->length + 1;
/* Break if there are no more linefeeds. */
if ( !lf )
break;
}
/* Bump up the text height slightly. */
data->text_height += 2;
}
/* Loop through all buttons and calculate the button widths and height. */
for ( i = 0; i < data->numbuttons; i++ ) {
int height;
data->buttonpos[ i ].buttondata = &data->buttondata[ i ];
data->buttonpos[ i ].length = SDL_strlen( data->buttondata[ i ].text );
GetTextWidthHeight( data, data->buttondata[ i ].text, SDL_strlen( data->buttondata[ i ].text ),
&data->buttonpos[ i ].text_width, &height );
button_width = IntMax( button_width, data->buttonpos[ i ].text_width );
button_text_height = IntMax( button_text_height, height );
}
if ( data->numlines ) {
/* x,y for this line of text. */
data->xtext = data->text_height;
data->ytext = data->text_height + data->text_height;
/* Bump button y down to bottom of text. */
ybuttons = 3 * data->ytext / 2 + ( data->numlines - 1 ) * data->text_height;
/* Bump the dialog box width and height up if needed. */
data->dialog_width = IntMax( data->dialog_width, 2 * data->xtext + text_width_max );
data->dialog_height = IntMax( data->dialog_height, ybuttons );
} else {
/* Button y starts at height of button text. */
ybuttons = button_text_height;
}
if ( data->numbuttons ) {
int x, y;
int width_of_buttons;
int button_spacing = button_text_height;
int button_height = 2 * button_text_height;
/* Bump button width up a bit. */
button_width += button_text_height;
/* Get width of all buttons lined up. */
width_of_buttons = data->numbuttons * button_width + ( data->numbuttons - 1 ) * button_spacing;
/* Bump up dialog width and height if buttons are wider than text. */
data->dialog_width = IntMax( data->dialog_width, width_of_buttons + 2 * button_spacing );
data->dialog_height = IntMax( data->dialog_height, ybuttons + 2 * button_height );
/* Location for first button. */
x = ( data->dialog_width - width_of_buttons ) / 2;
y = ybuttons + ( data->dialog_height - ybuttons - button_height ) / 2;
for ( i = 0; i < data->numbuttons; i++ ) {
/* Button coordinates. */
data->buttonpos[ i ].rect.x = x;
data->buttonpos[ i ].rect.y = y;
data->buttonpos[ i ].rect.w = button_width;
data->buttonpos[ i ].rect.h = button_height;
/* Button text coordinates. */
data->buttonpos[ i ].x = x + ( button_width - data->buttonpos[ i ].text_width ) / 2;
data->buttonpos[ i ].y = y + ( button_height - button_text_height - 1 ) / 2 + button_text_height;
/* Scoot over for next button. */
x += button_width + button_spacing;
}
}
return 0;
}
