int handle_cntrl_char (int c, char *cmd)
{
if(IS_BACK_SPACE(c)) {
if(cmd[0] == '\0')
return 0;
write (gfd,"\b \b",sizeof("\b \b"));
cmd[strlen(cmd) - 1] = '\0';
return 0;
}
else if(c == 0x1b ) {
c = read_input();
c = read_input();
if(c == 65) {
return 0;
}
else if(c == 66) {
}
return 0;
}
else if(IS_HELP_CHAR(c)) {
write_input_on_screen (c);
is_help = 1;
handle_help(cmd, 0);
is_help = 0;
goto cmd_print;
}
else if(IS_TAB(c)) {
handle_tab (cmd);
goto cmd_print;
}
else {
return 1;
}
cmd_print:
print_prompt ();
write_string (cmd);
return 0;
}
void QKeyPushButton::getKeyPress(bool capsStatus)
{
int keyCode = 0;
QKeyEvent *key = NULL;
QString text = this->text();
//
// per tutti i car speciali tranne il CAPS (RETURN, ALT, SHIFT, ecc...) inoltra al componente widgetKeyBoard:
if (NO_SPECIAL_KEY(text) == false && (IS_BACK(text) == true || IS_BACK_EMB(text) == true || IS_TAB(text) == true || IS_RETURN(text) == true || IS_CTRL_LEFT(text) == true ||
IS_ALT(text) == true || IS_CANC(text) == true || IS_CUT_LEFT(text) == true || IS_PASSWORD(text) || IS_PASSWORD_EMB(text) || IS_PASTE(text) || IS_COPY(text)))
key = new QKeyEvent(QEvent::KeyPress, keyCode, Qt::NoModifier, text);
else { // trattasi di caratteri stampabili
keyCode = text.toAscii()[0]; // prende il valore numerico (sempre maiuscolo)
if (capsStatus == false) { // se deve prendere minuscolo, controlla se il carattere รจ alfabetico
if (keyCode >= tr("A")[0] && keyCode <= tr("Z")[0]) {
keyCode += 32; // carattere piccolo
text = (char ) keyCode; // carattere piccolo
}
key = new QKeyEvent(QEvent::KeyPress, keyCode, Qt::NoModifier, text);
}
else
key = new QKeyEvent(QEvent::KeyPress, keyCode, Qt::ShiftModifier, text);
}
((widgetKeyBoard *) this->m_parent)->receiptChildKey(key, NULL);
QCoreApplication::processEvents();
}
//
// riceve i caratteri che sono stati digitati:
void widgetKeyBoard::receiptChildKey(QKeyEvent *event, QLineEdit *focusThisControl, bool reset)
{
static QLineEdit *nextInput = NULL;
if (reset == true) { // reinizializza il controllo
nextInput = this->getNextTextbox(focusThisControl, true);
return;
}
if (nextInput == NULL)
return;
//
// inizia l'analisi del carattere ricevuto:
QString newKey = event->text();
QString tmpReceiptString = nextInput->text();
int tmpPos = nextInput->cursorPosition();
if (NO_SPECIAL_KEY(newKey) == false) {
if (IS_RETURN(newKey) == true || IS_TAB(newKey) == true) { // trattasi di TAB, si sposta alla text successiva
nextInput = this->setDefaultTextStyle(nextInput);
nextInput->deselect();
nextInput = this->getNextTextbox();
this->controlKeyEcho(nextInput); // status of key echo here
if (nextInput != NULL) {
nextInput->setCursorPosition(nextInput->text().length()); // comment this line if you want caret position at current char inserted
nextInput->setFocus(Qt::TabFocusReason);
}
}
else if (IS_BACK(newKey) == true || IS_BACK_EMB(newKey) == true) { // trattasi di CANCELLARE carattere, elimina il carattere a sinistra
if (tmpPos-1 >= 0) {
tmpReceiptString = tmpReceiptString.remove(tmpPos-1, 1);
nextInput->setText(tmpReceiptString);
nextInput->setCursorPosition(tmpPos-1);
nextInput->setSelection(tmpPos-2, 1);
}
}
else if (IS_CANC(newKey) == true) { // trattasi di CANC carattere, elimina il carattere a destra
tmpReceiptString = tmpReceiptString.remove(tmpPos, 1);
nextInput->setText(tmpReceiptString);
nextInput->setCursorPosition(tmpPos);
nextInput->setSelection(tmpPos-1, 1);
}
else if (IS_COPY(newKey) == true || IS_CUT_LEFT(newKey) == true) {
QPushButton *button = this->findChild<QPushButton *>(KEY_PASTE);
if (button != NULL) {
if (nextInput->text().length() != 0) {
this->m_clipboard->setText(nextInput->text());
if (IS_CUT_LEFT(newKey) == true)
nextInput->setText("");
button->setEnabled(true);
}
else
button->setEnabled(false);
}
}
else if (IS_PASTE(newKey) == true)
nextInput->setText(this->m_clipboard->text());
else if (IS_ALT(newKey) == true || IS_CTRL_LEFT(newKey) == true)
; // non esegue nessuna operazione
}
else { // si tratta di un carattere da visualizzare nella casella di testo corrente
tmpReceiptString = tmpReceiptString.insert(tmpPos, newKey);
nextInput->setText(tmpReceiptString);
nextInput->setCursorPosition(tmpPos+1);
nextInput->setSelection(tmpPos, 1);
}
}