#include <iostream>
#include <cfloat>
+
+bool isVariableSymbol(const QChar& theChar) {
+ if (theChar.isLetterOrNumber())
+ return true;
+ if (theChar == '_')
+ return true;
+ return false;
+}
+
ModuleBase_ParamSpinBox::ModuleBase_ParamSpinBox(QWidget* theParent, int thePrecision)
: QAbstractSpinBox(theParent),
- myPrecision(thePrecision),
myIsEquation(false),
myAcceptVariables(true),
mySingleStep(1),
myCompleterModel = new QStringListModel(this);
myCompleter->setModel(myCompleterModel);
- // Use sorted model to accelerate completion (QCompleter will use binary search)
- myCompleter->setModelSorting(QCompleter::CaseInsensitivelySortedModel);
- myCompleter->setCaseSensitivity(Qt::CaseInsensitive);
connect(myCompleter, SIGNAL(highlighted(const QString&)),
this, SLOT(insertCompletion(const QString&)));
+ QAbstractItemView* aPopup = myCompleter->popup();
+ aPopup->installEventFilter(this);
+
// connectSignalsAndSlots();
myEnabledBaseColor = palette().color(QPalette::Active, QPalette::Base);
connect(lineEdit(), SIGNAL(textChanged(const QString&)),
myValidator = new QDoubleValidator(this);
myValidator->setLocale(locale());
myValidator->setRange(myMinimum, myMaximum);
- myValidator->setDecimals(myPrecision);
+ myValidator->setDecimals(thePrecision);
}
void ModuleBase_ParamSpinBox::setCompletionList(QStringList& theList)
{
- theList.sort();
theList.removeDuplicates();
+ theList.sort();
myCompleterModel->setStringList(theList);
}
double aVal = lineEdit()->text().toDouble();
aVal += steps * mySingleStep;
setValue(aVal);
- QAbstractSpinBox::stepBy(steps);
+ //QAbstractSpinBox::stepBy(steps);
}
void ModuleBase_ParamSpinBox::onTextChanged(const QString& theText)
aVal = myMinimum;
else if (aVal > myMaximum)
aVal = myMaximum;
- QString aText = QString::number(aVal, 'g', decimals());
+ QString aText = (myValidator->decimals() == 0) ? QString::number((int)aVal) :
+ QString::number(aVal, 'g', decimals());
+ lineEdit()->blockSignals(true);
lineEdit()->setText(aText);
+ lineEdit()->blockSignals(false);
emit textChanged(aText);
}
return !isDouble;
}
+void ModuleBase_ParamSpinBox::showCompletion(bool checkPrefix)
+{
+ myCompletePos = lineEdit()->cursorPosition();
+ int aStart, aEnd;
+ QString aPrefix;
+ aPrefix = getPrefix(aStart, aEnd);
+ if (checkPrefix) {
+ if (aPrefix.length() > 0) {
+ myCompleter->setCompletionPrefix(aPrefix);
+ myCompleter->complete();
+ }
+ } else {
+ myCompleter->setCompletionPrefix(aPrefix);
+ myCompleter->complete();
+ }
+}
+
void ModuleBase_ParamSpinBox::keyReleaseEvent(QKeyEvent* e)
{
+ QString aText;
+
switch (e->key()) {
+ case Qt::Key_Backspace:
+ if (myCompleter->popup()->isVisible()) {
+ myCompleter->popup()->hide();
+ }
+ showCompletion(true);
+ break;
case Qt::Key_Return:
case Qt::Key_Enter:
- {
if (myCompleter->popup()->isVisible()) {
myCompleter->popup()->hide();
myIsEquation = true;
}
emit textChanged(lineEdit()->text());
- return;
- }
+ break;
case Qt::Key_Space:
if (e->modifiers() & Qt::ControlModifier) {
- myCompletePos = lineEdit()->cursorPosition();
- int aStart, aEnd;
- QString aPrefix = getPrefix(aStart, aEnd);
- myCompleter->setCompletionPrefix(aPrefix);
- myCompleter->complete();
+ showCompletion(false);
}
- break;
- default:
- QAbstractSpinBox::keyReleaseEvent(e);
+ break; default:
+ aText = e->text();
+ if (aText.length() == 1) {
+ QChar aChar = aText.at(0);
+ if (isVariableSymbol(aChar)) {
+ showCompletion(true);
+ }
+ }
+ }
+ QAbstractSpinBox::keyReleaseEvent(e);
+}
+
+bool ModuleBase_ParamSpinBox::eventFilter(QObject* theObj, QEvent* theEvent)
+{
+ if (theEvent->type() == QEvent::KeyRelease) {
+ keyReleaseEvent((QKeyEvent*)theEvent);
}
+ return QAbstractSpinBox::eventFilter(theObj, theEvent);
}
if (myCompletePos > 0) {
int aLastChar = myCompletePos - 1;
QChar aChar = aText.at(aLastChar);
- while (aChar.isLetter() || aChar.isDigit()) {
+ while (isVariableSymbol(aChar)) {
aPrefix.prepend(aText.at(aLastChar));
aLastChar--;
if (aLastChar < 0)
if (myCompletePos < aLen) {
int aLastChar = myCompletePos;
QChar aChar = aText.at(aLastChar);
- while (aChar.isLetter() || aChar.isDigit()) {
+ while (isVariableSymbol(aChar)) {
aPrefix.append(aText.at(aLastChar));
aLastChar++;
if (aLastChar >= aLen)