/** TagButton instances are converted with whitespaces in the LineEdit in order to move them. */
void TagLineEdit::insertSpaces()
{
TagButton *t = qobject_cast<TagButton*>(sender());
int cx = cursorRect().x();
t->setPosition(cursorPosition());
int numberOfSpace = 2;
this->setText(this->text().insert(cursorPosition(), " "));
cursorForward(false, 2);
while (t->frameGeometry().contains(cursorRect().center())) {
this->setText(this->text().insert(cursorPosition(), " "));
cursorForward(false);
numberOfSpace++;
}
t->setMinimumWidth(numberOfSpace * fontMetrics().width(" ") - 5);
t->setSpaceCount(numberOfSpace);
t->disconnect();
for (TagButton *tag : _tags) {
//qDebug() << Q_FUNC_INFO << "trying to move tag";
if (t != tag && tag->frameGeometry().x() > cx) {
//qDebug() << Q_FUNC_INFO << "moving tag" << tag->text();
tag->move(tag->x() + fontMetrics().width(" ") * numberOfSpace, 0);
}
}
}
/** Redefined to be able to move TagButton when typing. */
void TagLineEdit::keyPressEvent(QKeyEvent *event)
{
if (event->key() == Qt::Key_Left || event->key() == Qt::Key_Right) {
/// TODO cursorWordForward / cursorWordBackard to stop on TagButton
if (QGuiApplication::keyboardModifiers().testFlag(Qt::ControlModifier)) {
qDebug() << "cursorWordForward / backward";
}
LineEdit::keyPressEvent(event);
for (TagButton *t : _tags) {
if (t->frameGeometry().contains(cursorRect().center())) {
if (event->key() == Qt::Key_Left) {
cursorBackward(false, t->spaceCount() - 1);
} else {
cursorForward(false, t->spaceCount() - 1);
}
break;
}
}
} else {
QString k = event->text();
int w = fontMetrics().width(k);
if (event->key() == Qt::Key_Delete) {
qDebug() << Q_FUNC_INFO << "Key_Delete";
w = -w;
}
for (TagButton *t : _tags) {
if (t->frameGeometry().x() > cursorRect().center().x()) {
t->move(t->x() + w, 0);
}
}
LineEdit::keyPressEvent(event);
}
}
void CharLineEdit::keyPressEvent(QKeyEvent* event)
{
bool handled = false;
if (selectionStart() == -1)
{
switch (event->key())
{
case Qt::Key_Backspace:
if (isAtEndOfSeparator())
{
// Delete separator characters in a single keypress.
// Don't use setText This method maintains the undo history
backspace();
backspace();
backspace();
handled = true;
}
break;
case Qt::Key_Delete:
if (isAtStartOfSeparator())
{
del();
del();
del();
handled = true;
}
break;
case Qt::Key_Left:
if (isAtEndOfSeparator())
{
cursorBackward(false, 3);
handled = true;
}
break;
case Qt::Key_Right:
if (isAtStartOfSeparator())
{
cursorForward(false, 3);
handled = true;
}
break;
}
}
if (handled)
{
event->ignore();
}
else
{
QLineEdit::keyPressEvent(event);
}
emit keyPressed(event);
}
/** Redefined to be able to move tag buttons.
* Backspace method is not virtual in QLineEdit, therefore keyPressEvent must be intercepted and eaten. */
void TagLineEdit::backspace()
{
bool oneTagNeedToBeRemoved = false;
TagButton *tag = nullptr;
QPoint cursorCenter;
cursorBackward(false);
int dx = fontMetrics().width(text().at(cursorPosition()));
for (TagButton *button : _tags) {
cursorCenter = cursorRect().center();
// One tag button need to be removed
if (button->frameGeometry().contains(cursorCenter)) {
oneTagNeedToBeRemoved = true;
tag = button;
}
// Tags need to be moved to the left
if (button->x() > cursorCenter.x()) {
button->move(button->x() - dx, 0);
button->setPosition(cursorPosition());
}
}
cursorForward(false);
if (oneTagNeedToBeRemoved) {
for (int i = 0; i < tag->spaceCount(); i++) {
LineEdit::backspace();
}
dx = fontMetrics().width(" ") * tag->spaceCount();
for (TagButton *button : _tags) {
if (button != tag && button->x() > cursorCenter.x()) {
button->move(button->x() - dx, 0);
button->setPosition(cursorPosition());
}
}
_tags.removeOne(tag);
delete tag;
/// FIXME
//emit taglistHasChanged(this->toStringList());
} else {
LineEdit::backspace();
}
}
/** Redefined to automatically move cursor outside TagButton. */
void TagLineEdit::mousePressEvent(QMouseEvent *event)
{
LineEdit::mousePressEvent(event);
for (TagButton *t : _tags) {
QRect r = t->frameGeometry();
if (r.contains(event->pos())) {
if (r.x() + r.width() / 2 >= event->pos().x()) {
while (r.contains(cursorRect().center()) && cursorPosition() > 0) {
cursorBackward(false);
//qDebug() << "cursorBackward" << "pos" << t->position() << "spaces" << t->spaceCount();
}
} else {
while (r.contains(cursorRect().center()) && cursorPosition() < text().length()) {
cursorForward(false);
//qDebug() << "cursorForward" << "pos" << t->position() << "spaces" << t->spaceCount();
}
}
break;
}
}
}
void
H19::processCharacter(char ch)
{
// mask off the high bit just in case, the real H19 would not have it set.
ch &= 0x7f;
if (mode_m == Normal)
{
switch (ch)
{
case ascii::NUL:
case ascii::SOH:
case ascii::STX:
case ascii::ETX:
case ascii::EOT:
case ascii::ENQ:
case ascii::ACK:
case ascii::VT:
case ascii::FF:
case ascii::SO:
case ascii::SI:
case ascii::DLE:
case ascii::DC1:
case ascii::DC2:
case ascii::DC3:
case ascii::DC4:
case ascii::NAK:
case ascii::SYN:
case ascii::ETB:
case ascii::EM:
case ascii::SUB:
case ascii::FS:
case ascii::GS:
case ascii::RS:
case ascii::US:
case ascii::DEL:
// From manual, these characters are not processed by the terminal
break;
case ascii::BEL: // Rings the bell.
/// \todo - implement ringing bell.
consoleLog("<BEL>");
break;
case ascii::BS: // Backspace
consoleLog("<BS>");
processBS();
break;
case ascii::HT: // Horizontal Tab
consoleLog("<TAB>");
processTAB();
break;
case ascii::LF: // Line Feed
processLF();
if (autoCR_m)
{
processCR();
}
consoleLog("\n");
break;
case ascii::CR: // Carriage Return
processCR();
if (autoLF_m)
{
processLF();
}
break;
case ascii::CAN: // Cancel.
break;
case ascii::ESC: // Escape
mode_m = Escape;
consoleLog("<ESC>");
break;
default:
// if Printable character display it.
#if CONSOLE_LOG
fprintf(console_out, "%c", ch);
#endif
displayCharacter(ch);
break;
}
}
else if (mode_m == Escape)
{
// Assume we go back to Normal, so only the few that don't need to set the mode.
mode_m = Normal;
switch (ch)
{
case ascii::CAN: // CAN - Cancel
// return to Normal mode, already set.
break;
case ascii::ESC: // Escape
// From the ROM listing, stay in this mode.
mode_m = Escape;
break;
// Cursor Functions
case 'H': // Cursor Home
posX_m = posY_m = 0;
updated_m = true;
break;
case 'C': // Cursor Forward
cursorForward();
break;
case 'D': // Cursor Backward
processBS(); // same processing as cursor backward
break;
case 'B': // Cursor Down
cursorDown();
break;
case 'A': // Cursor Up
cursorUp();
break;
case 'I': // Reverse Index
reverseIndex();
break;
case 'n': // Cursor Position Report
cursorPositionReport();
break;
case 'j': // Save cursor position
saveCursorPosition();
break;
case 'k': // Restore cursor position
restoreCursorPosition();
break;
case 'Y': // Direct Cursor Addressing
mode_m = DCA_1;
break;
// Erase and Editing
case 'E': // Clear Display
clearDisplay();
break;
case 'b': // Erase Beginning of Display
eraseBOD();
break;
case 'J': // Erase to End of Page
eraseEOP();
break;
case 'l': // Erase entire Line
eraseEL();
break;
case 'o': // Erase Beginning Of Line
eraseBOL();
break;
case 'K': // Erase To End Of Line
eraseEOL();
break;
case 'L': // Insert Line
insertLine();
break;
case 'M': // Delete Line
deleteLine();
break;
case 'N': // Delete Character
deleteChar();
break;
case '@': // Enter Insert Character Mode
insertMode_m = true;
break;
case 'O': // Exit Insert Character Mode
insertMode_m = false;
break;
// Configuration
case 'z': // Reset To Power-Up Configuration
reset();
break;
case 'r': // Modify the Baud Rate
/// \todo - determine if we should support this.
debugss(ssH19, ERROR, "Error Unimplemented Modify Baud\n");
break;
case 'x': // Set Mode
mode_m = SetMode;
break;
case 'y': // Reset Mode
mode_m = ResetMode;
break;
case '<': // Enter ANSI Mode
/// \todo - implement ANSI mode.
// ROM - just sets the mode
debugss(ssH19, ERROR, "Error Entering ANSI mode - unsupported\n");
break;
// Modes of operation
case '[': // Enter Hold Screen Mode
holdScreen_m = true;
break;
case '\\': // Exit Hold Screen Mode
holdScreen_m = false;
break;
case 'p': // Enter Reverse Video Mode
reverseVideo_m = true;
break;
case 'q': // Exit Reverse Video Mode
reverseVideo_m = false;
break;
case 'F': // Enter Graphics Mode
graphicMode_m = true;
break;
case 'G': // Exit Graphics Mode
graphicMode_m = false;
break;
case 't': // Enter Keypad Shifted Mode
keypadShifted_m = true;
break;
case 'u': // Exit Keypad Shifted Mode
// ROM - just sets the mode
keypadShifted_m = false;
break;
case '=': // Enter Alternate Keypad Mode
// ROM - just sets the mode
keypadShifted_m = true;
break;
case '>': // Exit Alternate Keypad Mode
// ROM - just sets the mode
keypadShifted_m = false;
break;
// Additional Functions
case '}': // Keyboard Disable
/// \todo - determine whether to do this.
keyboardEnabled_m = false;
break;
case '{': // Keyboard Enable
keyboardEnabled_m = true;
break;
case 'v': // Wrap Around at End Of Line
wrapEOL_m = true;
break;
case 'w': // Discard At End Of Line
wrapEOL_m = false;
break;
case 'Z': // Identify as VT52 (Data: ESC / K)
debugss(ssH19, ERROR, "Identify request\n");
sendData(ascii::ESC);
sendData('/');
sendData('K');
break;
case ']': // Transmit 25th Line
transmitLine25();
break;
case '#': // Transmit Page
transmitPage();
break;
default:
debugss(ssH19, WARNING, "Unhandled ESC: %d\n", ch);
/// \todo - verify this is how the H19 ROM does it.
break;
}
}
else if (mode_m == SetMode)
{
mode_m = Normal;
switch (ch)
{
case '1': // Enable 25th line
// From the ROM, it erases line 25 on the enable, but here we erase on the disable.
line25_m = true;
break;
case '2': // No key click
keyClick_m = true;
break;
case '3': // Hold screen mode
holdScreen_m = true;
break;
case '4': // Block Cursor
cursorBlock_m = true;
updated_m = true;
break;
case '5': // Cursor Off
cursorOff_m = true;
updated_m = true;
break;
case '6': // Keypad Shifted
keypadShifted_m = true;
break;
case '7': // Alternate Keypad mode
altKeypadMode_m = true;
break;
case '8': // Auto LF
autoLF_m = true;
break;
case '9': // Auto CR
autoCR_m = true;
break;
default:
/// \todo Need to process ch as if none of this happened...
debugss(ssH19, WARNING, "Invalid set Mode: %c\n", ch);
break;
}
}
else if (mode_m == ResetMode)
{
mode_m = Normal;
switch (ch)
{
case '1': // Disable 25th line
eraseLine(rowsMain_c);
line25_m = false;
updated_m = true;
break;
case '2': // key click
keyClick_m = false;
break;
case '3': // Hold screen mode
holdScreen_m = false;
break;
case '4': // Block Cursor
cursorBlock_m = false;
updated_m = true;
break;
case '5': // Cursor On
cursorOff_m = false;
updated_m = true;
break;
case '6': // Keypad Unshifted
keypadShifted_m = false;
break;
case '7': // Exit Alternate Keypad mode
altKeypadMode_m = false;
break;
case '8': // No Auto LF
autoLF_m = false;
break;
case '9': // No Auto CR
autoCR_m = false;
break;
default:
/// \todo Need to process ch as if none of this happened...
debugss(ssH19, WARNING, "Invalid reset Mode: %c\n", ch);
break;
}
}
else if (mode_m == DCA_1)
{
// From actual H19, once the line is specified, the cursor
// immediately moves to that line, so no need to save the
// position and wait for the entire command.
/// \todo verify that this is the same on newer H19s.
if (ch == ascii::CAN)
{
// cancel
mode_m = Normal;
}
else
{
// \todo handle error conditions
int pos = ch - 31;
// verify valid Position
if (((pos > 0) && (pos < (signed) rows_c)) || ((pos == (signed) rows_c) && (line25_m)))
{
posY_m = pos - 1;
}
else
{
/// \todo check to see how a real h19 handles this.
debugss(ssH19, INFO, "DCA invalid Y: %d\n", pos);
}
mode_m = DCA_2;
}
}
else if (mode_m == DCA_2)
{
if (ch == ascii::CAN)
{
// cancel
mode_m = Normal;
}
else
{
int pos = ch - 31;
if ((pos > 0) && (pos < 81))
{
posX_m = pos - 1;
}
else
{
posX_m = (cols_c - 1);
}
updated_m = true;
mode_m = Normal;
}
}
}
Screen::InputActions Screen::getInput2( void ) {
gotoxy( cur_x, cur_y2 );
uint16_t key = bioskey(0);
if ( eatNextChar == true ) {
eatNextChar = false;
return AteOneKeypress;
}
bool removeColorPopup = false;
if ( (key & 0xff) == 0 ) {
// If any function key is pressed get rid of the color chart popup table
removeColorPopup = true;
// Function key
uint8_t fkey = key >> 8;
switch ( fkey ) {
case 19: return ShowRawToggle; // Alt-R
case 20: return TimestampToggle; // Alt-T
case 31: return Stats; // Alt-S
case 35: return Help; // Alt-H
case 38: return LoggingToggle; // Alt-L
case 45: return EndProgram; // Alt-X
case 46: return CloseWindow; // Alt-C
case 48: return BeepToggle; // Alt-B
case 73: return BackScroll; // PgUp
case 81: return ForwardScroll; // PgDn
case 71: { // Home
cur_x = 0;
cur_y = 0; cur_y2 = separatorRow+1;
break;
}
case 72: { // Up
if ( cur_y ) { cur_y--; cur_y2--; } else { ERRBEEP( ); }
break;
}
case 75: { // Left
if ( !isCursorHome( ) ) { cursorBack( ); } else { ERRBEEP( ); }
break;
}
case 77: { // Right
if ( cur_x + (cur_y * screenCols) < input_len ) { cursorForward( ); } else { ERRBEEP( ); }
break;
}
case 79: { // End
cur_x = input_len % screenCols;
cur_y = input_len / screenCols;
cur_y2 = cur_y + separatorRow + 1;
break;
}
case 80: { // Down
if ( cur_x + ((cur_y+1)*screenCols) <= input_len ) { cur_y++; cur_y2++; } else { ERRBEEP( ); }
break;
}
case 82: { // Insert
insertMode = !insertMode;
if ( insertMode ) {
sound(500); delay(50); sound(750); delay(50); nosound( );
}
else {
// Not really complaining - just indicating back to overstrike
sound(750); delay(50); sound(500); delay(50); nosound( );
}
break;
}
case 83: { // Delete
// Has to be on an existing char
uint16_t startIndex = cur_x + cur_y*screenCols;
if ( startIndex < input_len ) {
memmove( userInputBuffer+startIndex, userInputBuffer+startIndex+1, (input_len-startIndex) );
input_len--;
userInputBuffer[input_len] = 0;
repaintInputArea( startIndex, userInputBuffer+startIndex, (input_len-startIndex) );
}
else {
ERRBEEP( );
}
break;
}
case 129: { // Alt-0 (Server Session)
*switchToSession = 0;
return SwitchSession;
}
default: {
if ( fkey >= 120 && fkey <= 128 ) {
*switchToSession = fkey - 119;
return SwitchSession;
}
}
}
}