void TEWidget::mouseDoubleClickEvent(QMouseEvent* ev)
{
if ( ev->button() != Qt::LeftButton) return;
QPoint tL = contentsRect().topLeft();
int tLx = tL.x();
int tLy = tL.y();
QPoint pos = QPoint((ev->x()-tLx-blX)/font_w,(ev->y()-tLy-bY)/font_h);
// pass on double click as two clicks.
if (!mouse_marks && !(ev->modifiers() & Qt::ShiftModifier))
{
emit mouseSignal( 0, pos.x()+1, pos.y()+1 ); // left button
emit mouseSignal( 3, pos.x()+1, pos.y()+1 ); // release
emit mouseSignal( 0, pos.x()+1, pos.y()+1 ); // left button
return;
}
emit clearSelectionSignal();
QPoint bgnSel = pos;
QPoint endSel = QPoint((ev->x()-tLx-blX)/font_w,(ev->y()-tLy-bY)/font_h);
int i = loc(bgnSel.x(),bgnSel.y());
iPntSel = bgnSel;
word_selection_mode = TRUE;
// find word boundaries...
int selClass = charClass(image[i].c);
{
// set the start...
int x = bgnSel.x();
while ( x > 0 && charClass(image[i-1].c) == selClass )
{ i--; x--; }
bgnSel.setX(x);
emit beginSelectionSignal( bgnSel.x(), bgnSel.y() );
// set the end...
i = loc( endSel.x(), endSel.y() );
x = endSel.x();
while( x < columns-1 && charClass(image[i+1].c) == selClass )
{ i++; x++ ; }
endSel.setX(x);
actSel = 2; // within selection
emit extendSelectionSignal( endSel.x(), endSel.y() );
emit endSelectionSignal(preserve_line_breaks);
preserve_line_breaks = TRUE;
}
}
// expandArg writes NULL-terminated expansions of `arg', a NULL-terminated
// string, to stdout. If arg does not begin with `@' or does not refer to a
// file, it is written as is. Otherwise the contents of the file are
// recursively expanded. On unexpected EOF in malformed response files an
// incomplete final argument is written, even if it is empty, to parse like GCC.
void expandArg(String *arg) {
FILE *f;
if (arg->data[0] != '@' || !(f = fopen(&arg->data[1], "r"))) {
fwrite(arg->data, 1, arg->len, stdout);
return;
}
resize(arg, 0);
State cur = outside;
int c;
do {
c = fgetc(f);
State next = transitions[cur][charClass(c)];
if ((cur == unq && next == outside) || (cur != outside && c == EOF)) {
append(arg, "", 1);
expandArg(arg);
resize(arg, 0);
} else if (cur == unq_esc || cur == sq_esc || cur == dq_esc ||
(cur == outside ? next == unq : cur == next)) {
char s = c;
append(arg, &s, 1);
}
cur = next;
} while (c != EOF);
fclose(f);
}
inline bool isGraphical(uint32_t c)
{
return (charClass(c) & (CharClass::Letter |
CharClass::Mark |
CharClass::Number |
CharClass::Punctuation |
CharClass::Symbol)) != 0;
}
inline bool isVisible(uint32_t c)
{
return (charClass(c) & (CharClass::Letter |
CharClass::Mark |
CharClass::Number |
CharClass::Punctuation |
CharClass::Symbol |
CharClass::Separator)) != 0;
}
void RxCompile::simple()
{
if (match("."))
emit(&any);
else if (match("\\d"))
emit(new CharClass(digit));
else if (match("\\D"))
emit(new CharClass(notDigit));
else if (match("\\w"))
emit(new CharClass(word));
else if (match("\\W"))
emit(new CharClass(notWord));
else if (match("\\s"))
emit(new CharClass(space));
else if (match("\\S"))
emit(new CharClass(notSpace));
else if (matchBackref())
{
int i = src[si - 1] - '0';
emit(new Backref(i, ignoringCase));
}
else if (match("["))
{
charClass();
mustMatch(']');
}
else if (match("("))
{
int i = ++leftCount;
emit(new Left(i));
regexp(); // recurse
emit(new Right(i));
mustMatch(')');
}
else
{
if (si + 1 < sn)
match("\\");
emitChars(src + si, 1);
++si;
}
}
void TEWidget::mouseMoveEvent(QMouseEvent* ev)
{
// for auto-hiding the cursor, we need mouseTracking
if (ev->modifiers() == Qt::NoButton ) return;
if (actSel == 0) return;
// don't extend selection while pasting
if (ev->modifiers() & Qt::MidButton) return;
//if ( !contentsRect().contains(ev->pos()) ) return;
QPoint tL = contentsRect().topLeft();
int tLx = tL.x();
int tLy = tL.y();
int scroll = scrollbar->value();
// we're in the process of moving the mouse with the left button pressed
// the mouse cursor will remain caught within the bounds of the text in
// this widget.
// Adjust position within text area bounds. See FIXME above.
QPoint pos = ev->pos();
if ( pos.x() < tLx+blX ) pos.setX( tLx+blX );
if ( pos.x() > tLx+blX+columns*font_w-1 ) pos.setX( tLx+blX+columns*font_w );
if ( pos.y() < tLy+bY ) pos.setY( tLy+bY );
if ( pos.y() > tLy+bY+lines*font_h-1 ) pos.setY( tLy+bY+lines*font_h-1 );
// check if we produce a mouse move event by this
if ( pos != ev->pos() ) cursor().setPos(mapToGlobal(pos));
if ( pos.y() == tLy+bY+lines*font_h-1 )
{
scrollbar->setValue(scrollbar->value()+yMouseScroll); // scrollforward
}
if ( pos.y() == tLy+bY )
{
scrollbar->setValue(scrollbar->value()-yMouseScroll); // scrollback
}
QPoint here = QPoint((pos.x()-tLx-blX)/font_w,(pos.y()-tLy-bY)/font_h);
QPoint ohere;
bool swapping = FALSE;
if ( word_selection_mode )
{
// Extend to word boundaries
int i;
int selClass;
bool left_not_right = ( here.y() < iPntSel.y() ||
here.y() == iPntSel.y() && here.x() < iPntSel.x() );
bool old_left_not_right = ( pntSel.y() < iPntSel.y() ||
pntSel.y() == iPntSel.y() && pntSel.x() < iPntSel.x() );
swapping = left_not_right != old_left_not_right;
// Find left (left_not_right ? from here : from start)
QPoint left = left_not_right ? here : iPntSel;
i = loc(left.x(),left.y());
selClass = charClass(image[i].c);
while ( left.x() > 0 && charClass(image[i-1].c) == selClass )
{ i--; left.rx()--; }
// Find left (left_not_right ? from start : from here)
QPoint right = left_not_right ? iPntSel : here;
i = loc(right.x(),right.y());
selClass = charClass(image[i].c);
while ( right.x() < columns-1 && charClass(image[i+1].c) == selClass )
{ i++; right.rx()++; }
// Pick which is start (ohere) and which is extension (here)
if ( left_not_right )
{
here = left; ohere = right;
}
else
{
here = right; ohere = left;
}
}
if (here == pntSel && scroll == scrollbar->value()) return; // not moved
if ( word_selection_mode ) {
if ( actSel < 2 || swapping ) {
emit beginSelectionSignal( ohere.x(), ohere.y() );
}
} else if ( actSel < 2 ) {
emit beginSelectionSignal( pntSel.x(), pntSel.y() );
}
actSel = 2; // within selection
pntSel = here;
emit extendSelectionSignal( here.x(), here.y() );
}
inline bool isAlphaNumeric(uint32_t c)
{
return (charClass(c) & (CharClass::Letter | CharClass::Number)) != 0;
}
inline bool isSymbol(uint32_t c)
{
return (charClass(c) & CharClass::Symbol) != 0;
}
inline bool isSurrogate(uint32_t c)
{
return (charClass(c) & CharClass::Surrogate) != 0;
}
inline bool isWhitespace(uint32_t c)
{
return c == '\t' || c == ' ' || isNewline(c) ||
(c > 128 && (charClass(c) & CharClass::Separator) != 0);
}
inline bool isPunctuation(uint32_t c)
{
return (charClass(c) & CharClass::Punctuation) != 0;
}
inline bool isNumber(uint32_t c)
{
return (charClass(c) & CharClass::Number) != 0;
}
inline bool isLetter(uint32_t c)
{
return (charClass(c) & CharClass::Letter) != 0;
}
inline bool isFormat(uint32_t c)
{
return (charClass(c) & CharClass::Format) != 0;
}
inline bool isControl(uint32_t c)
{
return (charClass(c) & CharClass::Control) != 0;
}
inline bool isSeparator(uint32_t c)
{
return (charClass(c) & CharClass::Separator) != 0;
}
void NFABuilder::dot(const ParseNode&) {
charClass(ParseNode(ParseNode::CHAR_CLASS, 0, 0x10FFFF));
}