static int
readCharacters_AtSpiScreen (const ScreenBox *box, ScreenCharacter *buffer) {
long x,y;
clearScreenCharacters(buffer,box->height*box->width);
pthread_mutex_lock(&updateMutex);
if (!curTerm) {
setScreenMessage(box, buffer, nonatspi);
goto out;
}
if (!curNumRows) {
goto out;
}
if (!validateScreenBox(box, curNumCols, curNumRows)) {
goto out;
}
for (y=0; y<box->height; y++) {
if (curRowLengths[box->top+y]) {
for (x=0; x<box->width; x++) {
if (box->left+x<curRowLengths[box->top+y] - (curRows[box->top+y][curRowLengths[box->top+y]-1]=='\n')) {
buffer[y*box->width+x].text = curRows[box->top+y][box->left+x];
}
}
}
}
out:
pthread_mutex_unlock(&updateMutex);
return 1;
}
void
setScreenMessage (const ScreenBox *box, ScreenCharacter *buffer, const char *message) {
const ScreenCharacter *end = buffer + box->width;
unsigned int index = 0;
size_t length = strlen(message);
mbstate_t state;
memset(&state, 0, sizeof(state));
clearScreenCharacters(buffer, (box->width * box->height));
while (length) {
wchar_t wc;
size_t result = mbrtowc(&wc, message, length, &state);
if ((ssize_t)result < 1) break;
message += result;
length -= result;
if (index++ >= box->left) {
if (buffer == end) break;
(buffer++)->text = wc;
}
}
}
