void evaluate()
{
if(m_binding) {
if(m_binding_init) {
m_value = m_binding();
if(m_notifier) {
m_notifier(m_value);
}
}
else {
// capture inputs for this property
m_capture_failed = false;
setCurrent(this);
m_value = m_binding();
setCurrent(nullptr);
if(!m_capture_failed) {
m_binding_init = true;
if(m_notifier) {
m_notifier(m_value);
}
}
else {
resetBinding();
}
}
}
}
bool completeCommonPrefix(){
QString my_curWord=getCurWord();
if (my_curWord.isEmpty()) return false;
if (!completer) return false;
/*if (!completer->list->isVisible()) {
resetBinding();
return false;
}*/
// get list of most recent choices
const QList<CompletionWord> &words=completer->listModel->getWords();
// filter list for longest common characters
if (words.count()>1) {
QString myResult=words.first().word;
int my_start=my_curWord.length();
my_curWord=completer->listModel->getLastWord().word;
for (int j=my_start; (j<my_curWord.length()&&j<myResult.length()); j++) {
if (myResult[j]!=my_curWord[j]) {
myResult=myResult.left(j);
}
}
removeRightWordPart();
editor->insertText(myResult.right(myResult.length()-my_start));
maxWritten+=myResult.length()-my_start;
completer->filterList(getCurWord(),getMostUsed());
if (!completer->list->currentIndex().isValid())
select(completer->list->model()->index(0,0,QModelIndex()));
return true;
} else {
insertCompletedWord();
resetBinding();
return true;
}
}
virtual bool mousePressEvent(QMouseEvent* mouse, QEditor *editor) {
// remove unused argument warnings
(void) mouse;
(void) editor;
resetBinding();
return false;
}
//moves the selection index to the next/previous delta-th entry in the suggestion list
bool selectDelta(const int delta){
if (!completer || !completer->list || !completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(completer->list->currentIndex().row()+delta,0,QModelIndex());
if (!ind.isValid()) {
if (delta<0) ind=completer->list->model()->index(0,0,QModelIndex());
else if (delta>0) ind=completer->list->model()->index(completer->list->model()->rowCount()-1,0,QModelIndex());
}
if (ind.isValid()) select(ind);
return true;
}
void bindTo(QEditor * edit, LatexCompleter* caller, bool forced, int start) {
if (active) resetBinding();
active=true;
completer=caller;
editor=edit;
oldBinding=(editor->inputBindings().count()>0?editor->inputBindings()[0]:0);
editor->setInputBinding(this);
curStart=start>0?start:0;
maxWritten=editor->cursor().columnNumber();
if (maxWritten<start) maxWritten=start;
curLine=editor->cursor().line();
showAlways=forced;//curWord!="\\";
completer->filterList(getCurWord());
if (showAlways) {
completer->list->show();
select(completer->list->model()->index(0,0,QModelIndex()));
}
}
bool completeCommonPrefix(){
QString my_curWord=getCurWord();
if (my_curWord.isEmpty()) return false;
if (!completer) return false;
/*if (!completer->list->isVisible()) {
resetBinding();
return false;
}*/
// get list of most recent choices
QStringList my_words;
const QList<CompletionWord> &words=completer->listModel->getWords();
for (int i=0; i<words.count(); i++) {
if (words[i].word.startsWith(my_curWord,Qt::CaseInsensitive))
my_words.append(words[i].word);
}
// filter list for longest common characters
if (my_words.count()>1) {
QString myResult=my_words[0];
int my_start=my_curWord.length();
for (int i=1; i<my_words.count(); i++) {
my_curWord=my_words[i];
for (int j=my_start; (j<my_curWord.length()&&j<myResult.length()); j++) {
if (myResult[j]!=my_curWord[j]) {
myResult=myResult.left(j);
}
}
}
removeRightWordPart();
editor->cursor().insertText(myResult.right(myResult.length()-my_start));
maxWritten+=myResult.length()-my_start;
completer->filterList(getCurWord());
if (!completer->list->currentIndex().isValid())
select(completer->list->model()->index(0,0,QModelIndex()));
return true;
} else {
insertCompletedWord();
resetBinding();
return true;
}
}
void cursorPositionChanged(QEditor* edit) {
if (edit!=editor) return; //should never happen
QDocumentCursor c=editor->cursor();
if (c.line()!=curLine || c.columnNumber()<curStart) resetBinding();
}
virtual bool keyPressEvent(QKeyEvent *event, QEditor *editor) {
if (event->key()==Qt::Key_Shift || event->key()==Qt::Key_Alt || event->key()==Qt::Key_Control)
return false;
if (!active) return false; //we should never have been called
bool handled=false;
if (event->key()==Qt::Key_Backspace) {
maxWritten--;
editor->cursor().deletePreviousChar();
if (editor->cursor().columnNumber()<=curStart) {
resetBinding();
return true;
} else if (editor->cursor().columnNumber()+1<=curStart && !showAlways) {
completer->list->hide();
return true;
}
handled=true;
} else if (event->key()==Qt::Key_Escape) {
resetBinding();
return true;
} else if (event->key()==Qt::Key_Delete) {
if (editor->cursor().columnNumber()<maxWritten) maxWritten--;
editor->cursor().deleteChar();
handled=true;
} else if (event->key()==Qt::Key_Left) {
if (event->modifiers()) {
resetBinding();
return false;
}
editor->setCursorPosition(curLine.lineNumber(),editor->cursor().columnNumber()-1);
if (editor->cursor().columnNumber()<=curStart) resetBinding();
handled=true;
} else if (event->key()==Qt::Key_Right) {
if (event->modifiers()) {
resetBinding();
return false;
}
editor->setCursorPosition(curLine.lineNumber(),editor->cursor().columnNumber()+1);
if (editor->cursor().columnNumber()>maxWritten) resetBinding();
handled=true;
} else if (event->key()==Qt::Key_Up) return selectDelta(-1);
else if (event->key()==Qt::Key_Down) return selectDelta(+1);
else if (event->key()==Qt::Key_PageUp) return selectDelta(-5);
else if (event->key()==Qt::Key_PageDown) return selectDelta(+5);
else if (event->key()==Qt::Key_Home) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(0,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_End) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(completer->list->model()->rowCount()-1,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_Tab) {
return completeCommonPrefix();
} else if (event->key()==Qt::Key_Return || event->key()==Qt::Key_Enter) {
if (!insertCompletedWord()) {
editor->cursor().insertText("\n");
curLine=editor->document()->line(curLine.lineNumber()+1);
editor->setCursorPosition(curLine.lineNumber(),curLine.length());
}
resetBinding();
return true;
} else {
if (event->text().length()!=1 || event->text()==" ") {
resetBinding();
return false;
}
QChar written=event->text().at(0);
if (written=='\\') {
if (getCurWord()=="\\") {
curStart+=2;
maxWritten=curStart;
} else if (getCurWord()=="") {
maxWritten=curStart+1;
} else {
insertCompletedWord();
QDocumentCursor edc=editor->cursor();
if (edc.hasSelection()) {
edc.removeSelectedText();
editor->setCursor(edc);
}
curStart=edc.columnNumber();
maxWritten=curStart+1;
}
editor->cursor().insertText(written);
handled=true;
} else if (completer->acceptChar(written,editor->cursor().columnNumber()-curStart)) {
maxWritten++;
editor->cursor().insertText(written);
if (editor->cursor().columnNumber()+1>curStart)
completer->list->show();
handled=true;
} else if (LatexCompleter::config && LatexCompleter::config->eowCompletes &&
event->text().length()==1 && getCommonEOW().contains(event->text().at(0))) {
insertCompletedWord();
resetBinding();
return false; //return false to let the default implementation handle it and insert the new character
} else {
resetBinding();
return false;
}
}
completer->filterList(getCurWord());
if (!completer->list->currentIndex().isValid())
select(completer->list->model()->index(0,0,QModelIndex()));
return handled;
}
virtual bool keyPressEvent(QKeyEvent *event, QEditor *editor)
{
if (event->key()==Qt::Key_Shift || event->key()==Qt::Key_Alt || event->key()==Qt::Key_Control)
return false;
if (!active) return false; //we should never have been called
bool handled=false;
if (event->key()==Qt::Key_Backspace) {
maxWritten--;
editor->cursor().deletePreviousChar();
if (editor->cursor().columnNumber()<=curStart) {
resetBinding();
return true;
} else if (editor->cursor().columnNumber()+1<=curStart && !showAlways){
completer->list->hide();
return true;
}
handled=true;
} else if (event->key()==Qt::Key_Delete) {
if (editor->cursor().columnNumber()<maxWritten) maxWritten--;
editor->cursor().deleteChar();
handled=true;
} else if (event->key()==Qt::Key_Left) {
if (event->modifiers()) {
resetBinding();
return false;
}
editor->setCursorPosition(curLine.lineNumber(),editor->cursor().columnNumber()-1);
if (editor->cursor().columnNumber()<=curStart) resetBinding();
handled=true;
} else if (event->key()==Qt::Key_Right) {
if (event->modifiers()) {
resetBinding();
return false;
}
editor->setCursorPosition(curLine.lineNumber(),editor->cursor().columnNumber()+1);
if (editor->cursor().columnNumber()>maxWritten) resetBinding();
handled=true;
} else if (event->key()==Qt::Key_Up) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(completer->list->currentIndex().row()-1,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_Down) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(completer->list->currentIndex().row()+1,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_PageUp) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(completer->list->currentIndex().row()-5,0,QModelIndex());
if (!ind.isValid()) ind=completer->list->model()->index(0,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_PageDown) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(completer->list->currentIndex().row()+5,0,QModelIndex());
if (!ind.isValid()) ind=completer->list->model()->index(completer->list->model()->rowCount()-1,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_Home) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(0,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_End) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(completer->list->model()->rowCount()-1,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_Tab) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
// get list of most recent choices
QStringList my_words;
QList<CompletionWord> words=completer->getWords();
QString my_curWord=getCurWord();
for (int i=0;i<words.count();i++){
if (words[i].word.startsWith(my_curWord,Qt::CaseInsensitive))
my_words.append(words[i].word);
}
// filter list for longest common characters
QString myResult=my_words[0];
int my_start=my_curWord.length();
if(my_words.count()>1){
for (int i=1;i<my_words.count();i++){
my_curWord=my_words[i];
for(int j=my_start;(j<my_curWord.length()&&j<myResult.length());j++){
if(myResult[j]!=my_curWord[j]){
myResult=myResult.left(j);
}
}
}
removeRightWordPart();
editor->cursor().insertText(myResult.right(myResult.length()-my_start));
maxWritten+=myResult.length()-my_start;
handled=true;
} else {
insertCompletedWord();
resetBinding();
return true;
}
} else if (event->key()==Qt::Key_Return || event->key()==Qt::Key_Enter) {
if (!insertCompletedWord()) {
editor->cursor().insertText("\n");
curLine=editor->document()->line(curLine.lineNumber()+1);
editor->setCursorPosition(curLine.lineNumber(),curLine.length());
}
resetBinding();
return true;
} else {
if (event->text().length()!=1 || event->text()==" ") {
resetBinding();
return false;
}
QChar written=event->text().at(0);
if (written=='\\') {
if (getCurWord()=="\\") {
curStart+=2;
maxWritten=curStart;
} else if (getCurWord()=="") {
maxWritten=curStart+1;
} else {
insertCompletedWord();
curStart=editor->cursor().columnNumber();
maxWritten=curStart+1;
}
editor->cursor().insertText(written);
handled=true;
} else if (completer->acceptChar(written,editor->cursor().columnNumber()-curStart)) {
maxWritten++;
editor->cursor().insertText(written);
if (editor->cursor().columnNumber()+1>curStart)
completer->list->show();
handled=true;
} else {
resetBinding();
return false;
}
}
completer->updateList(getCurWord());
if (!completer->list->currentIndex().isValid())
select(completer->list->model()->index(0,0,QModelIndex()));
return handled;
}
virtual bool keyPressEvent(QKeyEvent *event, QEditor *editor) {
Q_ASSERT (completer && completer->listModel);
if (!completer || !completer->listModel) return false;
if (event->key()==Qt::Key_Shift || event->key()==Qt::Key_Alt || event->key()==Qt::Key_AltGr || event->key()==Qt::Key_Control)
return false;
if (!active) return false; //we should never have been called
bool handled=false;
if (event->key()==Qt::Key_Backspace) {
maxWritten--;
editor->cursor().deletePreviousChar();
if (editor->cursor().columnNumber()<=curStart) {
resetBinding();
return true;
} else if (editor->cursor().columnNumber()+1<=curStart && !showAlways) {
completer->widget->hide();
return true;
}
handled=true;
} else if (event->key()==Qt::Key_Escape) {
simpleRestoreAutoOverride("");
resetBinding();
return true;
} else if (event->key()==Qt::Key_Delete) {
if (editor->cursor().columnNumber()<maxWritten) maxWritten--;
if(completer->forcedRef){
if(editor->cursor().nextChar()=='}')
completer->forcedRef=false;
}
editor->cursor().deleteChar();
handled=true;
} else if (event->key()==Qt::Key_Left) {
if (event->modifiers()) {
resetBinding();
return false;
}
editor->setCursorPosition(curLine.lineNumber(),editor->cursor().columnNumber()-1);
if (editor->cursor().columnNumber()<=curStart) resetBinding();
handled=true;
} else if (event->key()==Qt::Key_Right) {
if (event->modifiers()) {
resetBinding();
return false;
}
editor->setCursorPosition(curLine.lineNumber(),editor->cursor().columnNumber()+1);
if (editor->cursor().columnNumber()>maxWritten) resetBinding();
handled=true;
} else if (event->key()==Qt::Key_Up) return selectDelta(-1);
else if (event->key()==Qt::Key_Down) return selectDelta(+1);
else if (event->key()==Qt::Key_PageUp) return selectDelta(-5);
else if (event->key()==Qt::Key_PageDown) return selectDelta(+5);
else if (event->key()==Qt::Key_Home) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(0,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_End) {
if (!completer->list->isVisible()) {
resetBinding();
return false;
}
QModelIndex ind=completer->list->model()->index(completer->list->model()->rowCount()-1,0,QModelIndex());
if (ind.isValid()) select(ind);
return true;
} else if (event->key()==Qt::Key_Tab) {
return completeCommonPrefix();
} else if (event->key()==Qt::Key_Space && event->modifiers()==Qt::ShiftModifier) {
//showMostUsed=!showMostUsed;
//handled=true;
showMostUsed++;
if(showMostUsed>2)
showMostUsed=0;
completer->tbAbove->setCurrentIndex(showMostUsed);
completer->tbBelow->setCurrentIndex(showMostUsed);
return true;
} else if (event->key()==Qt::Key_Return || event->key()==Qt::Key_Enter) {
if (!insertCompletedWord()) {
editor->insertText("\n");
//curLine=editor->document()->line(curLine.lineNumber()+1);
//editor->setCursorPosition(curLine.lineNumber(),curLine.length());
}
resetBinding();
return true;
} else {
if (event->text().length()!=1 || event->text()==" ") {
resetBinding();
return false;
}
QChar written=event->text().at(0);
if (written=='\\') {
if (getCurWord()=="\\") {
resetBinding();
return false;
} else if (getCurWord()=="") {
maxWritten=curStart+1;
} else {
if (LatexCompleter::config && LatexCompleter::config->eowCompletes) {
insertCompletedWord();
}
QDocumentCursor edc=editor->cursor();
if (edc.hasSelection()) {
edc.removeSelectedText();
editor->setCursor(edc);
}
curStart=edc.columnNumber();
maxWritten=curStart+1;
}
editor->cursor().insertText(written);
//editor->insertText(written);
handled=true;
} else if (completer->acceptChar(written,editor->cursor().columnNumber()-curStart)) {
insertText(written);
handled=true;
} else if (event->text().length()==1 && getCommonEOW().contains(event->text().at(0)) ) {
QString curWord = getCurWord();
if (curWord=="\\" || !LatexCompleter::config || !LatexCompleter::config->eowCompletes) {
resetBinding();
simpleRestoreAutoOverride(written);
return false;
}
const QList<CompletionWord> &words=completer->listModel->getWords();
QString newWord;
int eowchars = 10000;
foreach (const CodeSnippet& w, words){
if (!w.word.startsWith(curWord)) continue;
if (w.word.length() == curWord.length()) {
newWord = w.word;
break;
}
int newoffset = w.lines.first().indexOf(written, curWord.length());
if (newoffset < 0) continue;
int neweowchars=0;
for (int i=curWord.length(); i<newoffset; i++)
if (getCommonEOW().contains(w.lines.first()[i]))
neweowchars++;
if (neweowchars<eowchars) {
newWord = w.word;
eowchars = neweowchars;
if (eowchars==1) break;
}
}
if (!newWord.isEmpty() && newWord.length()!=curWord.length()) {
QString insertion = newWord.mid(curWord.length(), newWord.indexOf(written, curWord.length()) - curWord.length() + 1); //choose text until written eow character
insertText(insertion);
//insertText(written);
handled = true;
} else {
insertCompletedWord();
if (newWord.isEmpty())
simpleRestoreAutoOverride(written);
//insertText(written);
resetBinding();
return false;//oldBinding->keyPressEvent(event,editor); //call old input binding for long words (=> key replacements after completions, but the user can still write \")
}
} else {
