975 lines
28 KiB
C++
975 lines
28 KiB
C++
/***************************************************************************
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* Copyright (c) 2014 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 51 Franklin Street, *
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* Fifth Floor, Boston, MA 02110-1301, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <QApplication>
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# include <QDebug>
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# include <QFocusEvent>
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# include <QFontMetrics>
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# include <QLineEdit>
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# include <QRegularExpression>
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# include <QRegularExpressionMatch>
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# include <QStyle>
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# include <QStyleOptionSpinBox>
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# include <QToolTip>
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#endif
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#include <sstream>
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#include <App/Application.h>
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#include <App/Document.h>
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#include <App/DocumentObject.h>
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#include <App/ExpressionParser.h>
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#include <Base/Exception.h>
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#include <Base/UnitsApi.h>
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#include <Base/Tools.h>
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#include "QuantitySpinBox.h"
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#include "QuantitySpinBox_p.h"
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#include "Command.h"
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#include "DlgExpressionInput.h"
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#include "Tools.h"
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using namespace Gui;
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using namespace App;
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using namespace Base;
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namespace Gui {
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class QuantitySpinBoxPrivate
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{
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public:
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QuantitySpinBoxPrivate(QuantitySpinBox *q) :
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validInput(true),
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pendingEmit(false),
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checkRangeInExpression(false),
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unitValue(0),
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maximum(DOUBLE_MAX),
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minimum(-DOUBLE_MAX),
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singleStep(1.0),
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q_ptr(q)
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{
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}
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~QuantitySpinBoxPrivate() = default;
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QString stripped(const QString &t, int *pos) const
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{
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QString text = t;
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const int s = text.size();
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text = text.trimmed();
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if (pos)
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(*pos) -= (s - text.size());
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return text;
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}
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bool validate(QString& input, Base::Quantity& result, const App::ObjectIdentifier& path) const
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{
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Q_Q(const QuantitySpinBox);
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// Do not accept empty strings because the parser will consider
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// " unit" as "1 unit" which is not the desired behaviour (see #0004104)
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if (input.isEmpty())
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return false;
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bool success = false;
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QString tmp = input;
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auto validateInput = [&](QString& tmp) -> QValidator::State {
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QValidator::State state;
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Base::Quantity res = validateAndInterpret(tmp, state, path);
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res.setFormat(quantity.getFormat());
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if (state == QValidator::Acceptable) {
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success = true;
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result = res;
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input = tmp;
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}
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return state;
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};
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QValidator::State state = validateInput(tmp);
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if (state == QValidator::Intermediate && q->hasExpression()) {
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// Accept the expression as it is but try to add the right unit string
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success = true;
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Base::Quantity quantity;
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double value;
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if (parseString(input, quantity, value, path)) {
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quantity.setUnit(unit);
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result = quantity;
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// Now translate the quantity into its string representation using the user-defined unit system
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input = Base::UnitsApi::schemaTranslate(result);
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}
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}
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return success;
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}
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bool parseString(const QString& str, Base::Quantity& result, double& value, const App::ObjectIdentifier& path) const
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{
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App::ObjectIdentifier pathtmp = path;
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try {
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QString copy = str;
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copy.remove(locale.groupSeparator());
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//Expression parser
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std::shared_ptr<Expression> expr(ExpressionParser::parse(path.getDocumentObject(), copy.toUtf8().constData()));
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if (expr) {
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std::unique_ptr<Expression> res(expr->eval());
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NumberExpression * n = Base::freecad_dynamic_cast<NumberExpression>(res.get());
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if (n){
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result = n->getQuantity();
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value = result.getValue();
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return true;
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}
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}
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}
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catch (Base::Exception&) {
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return false;
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}
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return false;
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}
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Base::Quantity validateAndInterpret(QString& input, QValidator::State& state, const App::ObjectIdentifier& path) const
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{
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Base::Quantity res;
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const double max = this->maximum;
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const double min = this->minimum;
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QString copy = input;
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double value = min;
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bool ok = false;
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QChar plus = QLatin1Char('+'), minus = QLatin1Char('-');
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if (locale.negativeSign() != minus)
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copy.replace(locale.negativeSign(), minus);
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if (locale.positiveSign() != plus)
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copy.replace(locale.positiveSign(), plus);
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QString reverseUnitStr = unitStr;
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std::reverse(reverseUnitStr.begin(), reverseUnitStr.end());
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//Prep for expression parser
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//This regex matches chunks between +,-,$,^ accounting for matching parenthesis.
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QRegularExpression chunkRe(QString::fromUtf8("(?<=^|[\\+\\-])((\\((?>[^()]|(?2))*\\))|[^\\+\\-\n])*(?=$|[\\+\\-])"));
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QRegularExpressionMatchIterator expressionChunk = chunkRe.globalMatch(copy);
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unsigned int lengthOffset = 0;
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while (expressionChunk.hasNext()) {
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QRegularExpressionMatch matchChunk = expressionChunk.next();
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QString origionalChunk = matchChunk.captured(0);
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QString copyChunk = origionalChunk;
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std::reverse(copyChunk.begin(), copyChunk.end());
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//Reused regex patterns
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static const std::string regexUnits = "sAV|VC|lim|nim|im|hpm|[mf]?bl|°|ged|dar|nog|″|′|rroT[uµm]?|K[uµm]?|A[mkM]?|F[pnuµm]?|C|S[uµmkM]?|zH[kMGT]?|H[nuµm]?|mhO[kM]?|J[mk]?|Ve[kM]?|V[mk]?|hWk|sW|lack?|N[mkM]?|g[uµmk]?|lm?|(?<=\\b|[^a-zA-Z])m[nuµmcdk]?|uoht|ni|\"|'|dy|dc|bW|T|t|zo|ts|twc|Wk?|aP[kMG]?|is[pk]|h|G|M|tfc|tfqs|tf|s";
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static const std::string regexUnitlessFunctions = "soca|nisa|2nata|nata|hsoc|hnis|hnat|soc|nat|nis|pxe|gol|01gol";
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static const std::string regexConstants = "e|ip|lomm|lom";
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static const std::string regexNumber = "\\d+\\s*\\.?\\s*\\d*|\\.\\s*\\d+";
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// If expression does not contain /*() or ^, this regex will not find anything
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if (copy.contains(QLatin1Char('/')) || copy.contains(QLatin1Char('*')) || copy.contains(QLatin1Char('(')) || copy.contains(QLatin1Char(')')) || copy.contains(QLatin1Char('^'))){
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//Find units and replace 1/2mm -> 1/2*(1mm), 1^2mm -> 1^2*(1mm)
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QRegularExpression fixUnits(QString::fromStdString("("+regexUnits+")(\\s*\\)|(?:\\*|(?:\\)(?:(?:\\s*(?:"+regexConstants+"|\\)(?:[^()]|(?R))*\\((?:"+regexUnitlessFunctions+")|"+regexNumber+"))|(?R))*\\(|(?:\\s*(?:"+regexConstants+"|\\)(?:[^()]|(?R))*\\((?:"+regexUnitlessFunctions+")|"+regexNumber+"))))+(?:[\\/\\^]|(.*$))(?!("+regexUnits+")))"));
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QRegularExpressionMatch fixUnitsMatch = fixUnits.match(copyChunk);
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//3rd capture group being filled indicates regex bailed out; no match.
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if (fixUnitsMatch.lastCapturedIndex() == 2 || (fixUnitsMatch.lastCapturedIndex() == 3 && fixUnitsMatch.captured(3).isEmpty())){
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QString matchUnits = fixUnitsMatch.captured(1);
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QString matchNumbers = fixUnitsMatch.captured(2);
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copyChunk.replace(matchUnits+matchNumbers, QString::fromUtf8(")")+matchUnits+QString::fromUtf8("1(*")+matchNumbers);
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}
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}
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//Add default units to string if none are present
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if (!copyChunk.contains(reverseUnitStr)){ // Fast check
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QRegularExpression unitsRe(QString::fromStdString("(?<=\\b|[^a-zA-Z])("+regexUnits+")(?=\\b|[^a-zA-Z])|°|″|′|\"|'|\\p{L}\\.\\p{L}|\\[\\p{L}"));
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QRegularExpressionMatch match = unitsRe.match(copyChunk);
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if (!match.hasMatch() && !copyChunk.isEmpty()) //If no units are found, use default units
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copyChunk.prepend(QString::fromUtf8(")")+reverseUnitStr+QString::fromUtf8("1(*")); // Add units to the end of chunk *(1unit)
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}
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std::reverse(copyChunk.begin(), copyChunk.end());
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copy.replace(matchChunk.capturedStart() + lengthOffset,
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matchChunk.capturedEnd() - matchChunk.capturedStart(), copyChunk);
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lengthOffset += copyChunk.length() - origionalChunk.length();
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}
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ok = parseString(copy, res, value, path);
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// If result does not have unit: add default unit
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if (res.getUnit().isEmpty()){
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res.setUnit(unit);
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}
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if (!ok) {
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// input may not be finished
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state = QValidator::Intermediate;
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}
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else if (value >= min && value <= max) {
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state = QValidator::Acceptable;
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}
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else if (max == min) { // when max and min is the same the only non-Invalid input is max (or min)
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state = QValidator::Invalid;
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}
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else {
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if ((value >= 0 && value > max) || (value < 0 && value < min)) {
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state = QValidator::Invalid;
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}
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else {
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state = QValidator::Intermediate;
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}
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}
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if (state != QValidator::Acceptable) {
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res.setValue(max > 0 ? min : max);
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}
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return res;
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}
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QLocale locale;
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bool validInput;
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bool pendingEmit;
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bool checkRangeInExpression;
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QString validStr;
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Base::Quantity quantity;
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Base::Quantity cached;
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Base::Unit unit;
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double unitValue;
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QString unitStr;
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double maximum;
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double minimum;
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double singleStep;
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QuantitySpinBox *q_ptr;
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std::unique_ptr<Base::UnitsSchema> scheme;
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Q_DECLARE_PUBLIC(QuantitySpinBox)
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};
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}
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QuantitySpinBox::QuantitySpinBox(QWidget *parent)
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: QAbstractSpinBox(parent),
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ExpressionSpinBox(this),
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d_ptr(new QuantitySpinBoxPrivate(this))
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{
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d_ptr->locale = locale();
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this->setContextMenuPolicy(Qt::DefaultContextMenu);
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connect(lineEdit(), &QLineEdit::textChanged,
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this, &QuantitySpinBox::userInput);
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connect(this, &QuantitySpinBox::editingFinished,
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this, [&]{
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this->handlePendingEmit(true);
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});
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// When a style sheet is set the text margins for top/bottom must be set to avoid to squash the widget
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#ifndef Q_OS_MAC
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lineEdit()->setTextMargins(0, 2, 0, 2);
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#else
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// https://forum.freecad.org/viewtopic.php?f=8&t=50615
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lineEdit()->setTextMargins(0, 2, 0, 0);
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#endif
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}
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QuantitySpinBox::~QuantitySpinBox() = default;
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void QuantitySpinBox::bind(const App::ObjectIdentifier &_path)
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{
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ExpressionSpinBox::bind(_path);
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}
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void QuantitySpinBox::showIcon()
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{
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iconLabel->show();
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}
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QString QuantitySpinBox::boundToName() const
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{
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if (isBound()) {
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std::string path = getPath().toString();
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return QString::fromStdString(path);
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}
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return {};
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}
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/**
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* @brief Create an object identifier by name.
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*
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* An identifier is written as document#documentobject.property.subproperty1...subpropertyN
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* document# may be dropped, in this case the active document is used.
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*/
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void QuantitySpinBox::setBoundToByName(const QString &name)
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{
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try {
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// get document
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App::Document *doc = App::GetApplication().getActiveDocument();
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QStringList list = name.split(QLatin1Char('#'));
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if (list.size() > 1) {
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doc = App::GetApplication().getDocument(list.front().toLatin1());
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list.pop_front();
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}
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if (!doc) {
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qDebug() << "No such document";
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return;
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}
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// first element is assumed to be the document name
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list = list.front().split(QLatin1Char('.'));
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// get object
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App::DocumentObject* obj = doc->getObject(list.front().toLatin1());
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if (!obj) {
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qDebug() << "No object " << list.front() << " in document";
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return;
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}
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list.pop_front();
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// the rest of the list defines the property and eventually subproperties
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App::ObjectIdentifier path(obj);
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path.setDocumentName(std::string(doc->getName()), true);
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path.setDocumentObjectName(std::string(obj->getNameInDocument()), true);
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for (const auto & it : list) {
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path << App::ObjectIdentifier::Component::SimpleComponent(it.toLatin1().constData());
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}
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if (path.getProperty())
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bind(path);
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}
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catch (const Base::Exception& e) {
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qDebug() << e.what();
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}
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}
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QString Gui::QuantitySpinBox::expressionText() const
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{
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try {
|
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if (hasExpression()) {
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return QString::fromStdString(getExpressionString());
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}
|
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}
|
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catch (const Base::Exception& e) {
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qDebug() << e.what();
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}
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return {};
|
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}
|
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void QuantitySpinBox::evaluateExpression()
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{
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if (isBound() && getExpression()) {
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showValidExpression(Number::SetIfNumber);
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}
|
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}
|
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void Gui::QuantitySpinBox::setNumberExpression(App::NumberExpression* expr)
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{
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updateEdit(getUserString(expr->getQuantity()));
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handlePendingEmit();
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}
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bool QuantitySpinBox::apply(const std::string & propName)
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{
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if (!ExpressionBinding::apply(propName)) {
|
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double dValue = value().getValue();
|
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return assignToProperty(propName, dValue);
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}
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|
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return false;
|
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}
|
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|
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void QuantitySpinBox::resizeEvent(QResizeEvent * event)
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{
|
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QAbstractSpinBox::resizeEvent(event);
|
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resizeWidget();
|
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}
|
||
|
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void Gui::QuantitySpinBox::keyPressEvent(QKeyEvent *event)
|
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{
|
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if (!handleKeyEvent(event->text()))
|
||
QAbstractSpinBox::keyPressEvent(event);
|
||
}
|
||
|
||
void Gui::QuantitySpinBox::paintEvent(QPaintEvent*)
|
||
{
|
||
QStyleOptionSpinBox opt;
|
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initStyleOption(&opt);
|
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drawControl(opt);
|
||
}
|
||
|
||
void QuantitySpinBox::updateText(const Quantity &quant)
|
||
{
|
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Q_D(QuantitySpinBox);
|
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|
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double dFactor;
|
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QString txt = getUserString(quant, dFactor, d->unitStr);
|
||
d->unitValue = quant.getValue()/dFactor;
|
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updateEdit(txt);
|
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handlePendingEmit();
|
||
}
|
||
|
||
void QuantitySpinBox::updateEdit(const QString& text)
|
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{
|
||
Q_D(QuantitySpinBox);
|
||
|
||
QLineEdit* edit = lineEdit();
|
||
|
||
bool empty = edit->text().isEmpty();
|
||
int cursor = edit->cursorPosition();
|
||
int selsize = edit->selectedText().size();
|
||
|
||
edit->setText(text);
|
||
|
||
cursor = qBound(0, cursor, edit->displayText().size() - d->unitStr.size());
|
||
if (selsize > 0) {
|
||
edit->setSelection(0, cursor);
|
||
}
|
||
else {
|
||
edit->setCursorPosition(empty ? 0 : cursor);
|
||
}
|
||
}
|
||
|
||
void QuantitySpinBox::validateInput()
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
|
||
QValidator::State state;
|
||
QString text = lineEdit()->text();
|
||
const App::ObjectIdentifier & path = getPath();
|
||
d->validateAndInterpret(text, state, path);
|
||
if (state != QValidator::Acceptable) {
|
||
updateEdit(d->validStr);
|
||
}
|
||
|
||
handlePendingEmit();
|
||
}
|
||
|
||
Base::Quantity QuantitySpinBox::value() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
return d->quantity;
|
||
}
|
||
|
||
double QuantitySpinBox::rawValue() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
return d->quantity.getValue();
|
||
}
|
||
|
||
void QuantitySpinBox::setValue(const Base::Quantity& value)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
d->quantity = value;
|
||
// check limits
|
||
if (d->quantity.getValue() > d->maximum)
|
||
d->quantity.setValue(d->maximum);
|
||
if (d->quantity.getValue() < d->minimum)
|
||
d->quantity.setValue(d->minimum);
|
||
|
||
d->unit = value.getUnit();
|
||
|
||
updateText(value);
|
||
}
|
||
|
||
void QuantitySpinBox::setValue(double value)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
|
||
Base::QuantityFormat currentformat = d->quantity.getFormat();
|
||
auto quantity = Base::Quantity(value, d->unit);
|
||
quantity.setFormat(currentformat);
|
||
|
||
setValue(quantity);
|
||
}
|
||
|
||
bool QuantitySpinBox::hasValidInput() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
return d->validInput;
|
||
}
|
||
|
||
// Gets called after call of 'validateAndInterpret'
|
||
void QuantitySpinBox::userInput(const QString & text)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
|
||
d->pendingEmit = true;
|
||
|
||
QString tmp = text;
|
||
Base::Quantity res;
|
||
const App::ObjectIdentifier & path = getPath();
|
||
if (d->validate(tmp, res, path)) {
|
||
d->validStr = tmp;
|
||
d->validInput = true;
|
||
}
|
||
else {
|
||
d->validInput = false;
|
||
return;
|
||
}
|
||
|
||
if (keyboardTracking()) {
|
||
d->cached = res;
|
||
handlePendingEmit(false);
|
||
}
|
||
else {
|
||
d->cached = res;
|
||
}
|
||
}
|
||
|
||
void QuantitySpinBox::openFormulaDialog()
|
||
{
|
||
Q_ASSERT(isBound());
|
||
|
||
Q_D(const QuantitySpinBox);
|
||
auto box = new Gui::Dialog::DlgExpressionInput(getPath(), getExpression(), d->unit, this);
|
||
if (d->checkRangeInExpression) {
|
||
box->setRange(d->minimum, d->maximum);
|
||
}
|
||
QObject::connect(box, &Gui::Dialog::DlgExpressionInput::finished, [this, box]() {
|
||
if (box->result() == QDialog::Accepted)
|
||
setExpression(box->getExpression());
|
||
else if (box->discardedFormula())
|
||
setExpression(std::shared_ptr<Expression>());
|
||
|
||
box->deleteLater();
|
||
Q_EMIT showFormulaDialog(false);
|
||
});
|
||
box->show();
|
||
|
||
QPoint pos = mapToGlobal(QPoint(0,0));
|
||
box->move(pos-box->expressionPosition());
|
||
box->setExpressionInputSize(width(), height());
|
||
|
||
Q_EMIT showFormulaDialog(true);
|
||
}
|
||
|
||
void QuantitySpinBox::handlePendingEmit(bool updateUnit /* = true */)
|
||
{
|
||
updateFromCache(true, updateUnit);
|
||
}
|
||
|
||
void QuantitySpinBox::updateFromCache(bool notify, bool updateUnit /* = true */)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
if (d->pendingEmit) {
|
||
double factor;
|
||
const Base::Quantity& res = d->cached;
|
||
auto tmpUnit(d->unitStr);
|
||
QString text = getUserString(res, factor, updateUnit ? d->unitStr : tmpUnit);
|
||
d->unitValue = res.getValue() / factor;
|
||
d->quantity = res;
|
||
|
||
// signaling
|
||
if (notify) {
|
||
d->pendingEmit = false;
|
||
Q_EMIT valueChanged(res);
|
||
Q_EMIT valueChanged(res.getValue());
|
||
Q_EMIT textChanged(text);
|
||
}
|
||
}
|
||
}
|
||
|
||
Base::Unit QuantitySpinBox::unit() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
return d->unit;
|
||
}
|
||
|
||
void QuantitySpinBox::setUnit(const Base::Unit &unit)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
|
||
d->unit = unit;
|
||
d->quantity.setUnit(unit);
|
||
updateText(d->quantity);
|
||
}
|
||
|
||
void QuantitySpinBox::setUnitText(const QString& str)
|
||
{
|
||
try {
|
||
Base::Quantity quant = Base::Quantity::parse(str);
|
||
setUnit(quant.getUnit());
|
||
}
|
||
catch (const Base::ParserError&) {
|
||
}
|
||
}
|
||
|
||
QString QuantitySpinBox::unitText()
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
return d->unitStr;
|
||
}
|
||
|
||
double QuantitySpinBox::singleStep() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
return d->singleStep;
|
||
}
|
||
|
||
void QuantitySpinBox::setSingleStep(double value)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
|
||
if (value >= 0) {
|
||
d->singleStep = value;
|
||
}
|
||
}
|
||
|
||
double QuantitySpinBox::minimum() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
return d->minimum;
|
||
}
|
||
|
||
void QuantitySpinBox::setMinimum(double minimum)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
d->minimum = minimum;
|
||
}
|
||
|
||
double QuantitySpinBox::maximum() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
return d->maximum;
|
||
}
|
||
|
||
void QuantitySpinBox::setMaximum(double maximum)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
d->maximum = maximum;
|
||
}
|
||
|
||
void QuantitySpinBox::setRange(double minimum, double maximum)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
d->minimum = minimum;
|
||
d->maximum = maximum;
|
||
}
|
||
|
||
void QuantitySpinBox::checkRangeInExpression(bool on)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
d->checkRangeInExpression = on;
|
||
}
|
||
|
||
bool QuantitySpinBox::isCheckedRangeInExpresion() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
return d->checkRangeInExpression;
|
||
}
|
||
|
||
|
||
int QuantitySpinBox::decimals() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
return d->quantity.getFormat().precision;
|
||
}
|
||
|
||
void QuantitySpinBox::setDecimals(int v)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
Base::QuantityFormat f = d->quantity.getFormat();
|
||
f.precision = v;
|
||
d->quantity.setFormat(f);
|
||
updateText(d->quantity);
|
||
}
|
||
|
||
void QuantitySpinBox::setSchema(const Base::UnitSystem& s)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
d->scheme = Base::UnitsApi::createSchema(s);
|
||
updateText(d->quantity);
|
||
}
|
||
|
||
void QuantitySpinBox::clearSchema()
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
d->scheme = nullptr;
|
||
updateText(d->quantity);
|
||
}
|
||
|
||
QString QuantitySpinBox::getUserString(const Base::Quantity& val, double& factor, QString& unitString) const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
if (d->scheme) {
|
||
return val.getUserString(d->scheme.get(), factor, unitString);
|
||
}
|
||
else {
|
||
return val.getUserString(factor, unitString);
|
||
}
|
||
}
|
||
|
||
QString QuantitySpinBox::getUserString(const Base::Quantity& val) const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
if (d->scheme) {
|
||
double factor;
|
||
QString unitString;
|
||
return val.getUserString(d->scheme.get(), factor, unitString);
|
||
}
|
||
else {
|
||
return val.getUserString();
|
||
}
|
||
}
|
||
|
||
void QuantitySpinBox::setExpression(std::shared_ptr<Expression> expr)
|
||
{
|
||
ExpressionSpinBox::setExpression(expr);
|
||
}
|
||
|
||
QAbstractSpinBox::StepEnabled QuantitySpinBox::stepEnabled() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
if (isReadOnly()/* || !d->validInput*/)
|
||
return StepNone;
|
||
if (wrapping())
|
||
return StepEnabled(StepUpEnabled | StepDownEnabled);
|
||
StepEnabled ret = StepNone;
|
||
if (d->quantity.getValue() < d->maximum) {
|
||
ret |= StepUpEnabled;
|
||
}
|
||
if (d->quantity.getValue() > d->minimum) {
|
||
ret |= StepDownEnabled;
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
void QuantitySpinBox::stepBy(int steps)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
updateFromCache(false);
|
||
|
||
double step = d->singleStep * steps;
|
||
double val = d->unitValue + step;
|
||
if (val > d->maximum)
|
||
val = d->maximum;
|
||
else if (val < d->minimum)
|
||
val = d->minimum;
|
||
|
||
Quantity quant(val, d->unitStr);
|
||
updateText(quant);
|
||
updateFromCache(true);
|
||
update();
|
||
selectNumber();
|
||
}
|
||
|
||
QSize QuantitySpinBox::sizeForText(const QString& txt) const
|
||
{
|
||
const QFontMetrics fm(fontMetrics());
|
||
int h = lineEdit()->sizeHint().height();
|
||
int w = QtTools::horizontalAdvance(fm, txt);
|
||
|
||
w += 2; // cursor blinking space
|
||
w += iconHeight;
|
||
|
||
QStyleOptionSpinBox opt;
|
||
initStyleOption(&opt);
|
||
QSize hint(w, h);
|
||
QSize size = style()->sizeFromContents(QStyle::CT_SpinBox, &opt, hint, this);
|
||
return size;
|
||
}
|
||
|
||
QSize QuantitySpinBox::sizeHint() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
ensurePolished();
|
||
|
||
const QFontMetrics fm(fontMetrics());
|
||
int h = lineEdit()->sizeHint().height();
|
||
int w = 0;
|
||
|
||
QString s;
|
||
QString fixedContent = QLatin1String(" ");
|
||
|
||
Base::Quantity q(d->quantity);
|
||
q.setValue(d->maximum);
|
||
s = textFromValue(q);
|
||
s.truncate(18);
|
||
s += fixedContent;
|
||
w = qMax(w, QtTools::horizontalAdvance(fm, s));
|
||
|
||
w += 2; // cursor blinking space
|
||
w += iconHeight;
|
||
|
||
QStyleOptionSpinBox opt;
|
||
initStyleOption(&opt);
|
||
QSize hint(w, h);
|
||
QSize size = style()->sizeFromContents(QStyle::CT_SpinBox, &opt, hint, this);
|
||
return size;
|
||
}
|
||
|
||
QSize QuantitySpinBox::minimumSizeHint() const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
ensurePolished();
|
||
|
||
const QFontMetrics fm(fontMetrics());
|
||
int h = lineEdit()->minimumSizeHint().height();
|
||
int w = 0;
|
||
|
||
QString s;
|
||
QString fixedContent = QLatin1String(" ");
|
||
|
||
Base::Quantity q(d->quantity);
|
||
q.setValue(d->maximum);
|
||
s = textFromValue(q);
|
||
s.truncate(18);
|
||
s += fixedContent;
|
||
w = qMax(w, QtTools::horizontalAdvance(fm, s));
|
||
|
||
w += 2; // cursor blinking space
|
||
w += iconHeight;
|
||
|
||
QStyleOptionSpinBox opt;
|
||
initStyleOption(&opt);
|
||
QSize hint(w, h);
|
||
|
||
QSize size = style()->sizeFromContents(QStyle::CT_SpinBox, &opt, hint, this);
|
||
return size;
|
||
}
|
||
|
||
void QuantitySpinBox::showEvent(QShowEvent * event)
|
||
{
|
||
Q_D(QuantitySpinBox);
|
||
|
||
QAbstractSpinBox::showEvent(event);
|
||
|
||
bool selected = lineEdit()->hasSelectedText();
|
||
updateText(d->quantity);
|
||
if (selected)
|
||
selectNumber();
|
||
}
|
||
|
||
void QuantitySpinBox::hideEvent(QHideEvent * event)
|
||
{
|
||
handlePendingEmit();
|
||
QAbstractSpinBox::hideEvent(event);
|
||
}
|
||
|
||
void QuantitySpinBox::closeEvent(QCloseEvent * event)
|
||
{
|
||
handlePendingEmit();
|
||
QAbstractSpinBox::closeEvent(event);
|
||
}
|
||
|
||
bool QuantitySpinBox::event(QEvent * event)
|
||
{
|
||
return QAbstractSpinBox::event(event);
|
||
}
|
||
|
||
void QuantitySpinBox::focusInEvent(QFocusEvent * event)
|
||
{
|
||
bool hasSel = lineEdit()->hasSelectedText();
|
||
QAbstractSpinBox::focusInEvent(event);
|
||
|
||
if (event->reason() == Qt::TabFocusReason ||
|
||
event->reason() == Qt::BacktabFocusReason ||
|
||
event->reason() == Qt::ShortcutFocusReason) {
|
||
|
||
if (isBound() && getExpression() && lineEdit()->isReadOnly()) {
|
||
auto helpEvent = new QHelpEvent(QEvent::ToolTip, QPoint( 0, rect().height() ), mapToGlobal( QPoint( 0, rect().height() ) ));
|
||
QApplication::postEvent(this, helpEvent);
|
||
lineEdit()->setSelection(0, 0);
|
||
}
|
||
else {
|
||
if (!hasSel)
|
||
selectNumber();
|
||
}
|
||
}
|
||
}
|
||
|
||
void QuantitySpinBox::focusOutEvent(QFocusEvent * event)
|
||
{
|
||
validateInput();
|
||
|
||
QToolTip::hideText();
|
||
QAbstractSpinBox::focusOutEvent(event);
|
||
}
|
||
|
||
void QuantitySpinBox::clear()
|
||
{
|
||
QAbstractSpinBox::clear();
|
||
}
|
||
|
||
void QuantitySpinBox::selectNumber()
|
||
{
|
||
QString expr = QString::fromLatin1("^([%1%2]?[0-9\\%3]*)\\%4?([0-9]+(%5[%1%2]?[0-9]+)?)")
|
||
.arg(locale().negativeSign())
|
||
.arg(locale().positiveSign())
|
||
.arg(locale().groupSeparator())
|
||
.arg(locale().decimalPoint())
|
||
.arg(locale().exponential());
|
||
auto rmatch = QRegularExpression(expr).match(lineEdit()->text());
|
||
if (rmatch.hasMatch()) {
|
||
lineEdit()->setSelection(0, rmatch.capturedLength());
|
||
}
|
||
}
|
||
|
||
QString QuantitySpinBox::textFromValue(const Base::Quantity& value) const
|
||
{
|
||
double factor;
|
||
QString unitStr;
|
||
QString str = getUserString(value, factor, unitStr);
|
||
if (qAbs(value.getValue()) >= 1000.0) {
|
||
str.remove(locale().groupSeparator());
|
||
}
|
||
return str;
|
||
}
|
||
|
||
Base::Quantity QuantitySpinBox::valueFromText(const QString &text) const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
|
||
QString copy = text;
|
||
QValidator::State state = QValidator::Acceptable;
|
||
const App::ObjectIdentifier & path = getPath();
|
||
Base::Quantity quant = d->validateAndInterpret(copy, state, path);
|
||
if (state != QValidator::Acceptable) {
|
||
fixup(copy);
|
||
quant = d->validateAndInterpret(copy, state, path);
|
||
}
|
||
|
||
return quant;
|
||
}
|
||
|
||
QValidator::State QuantitySpinBox::validate(QString &text, int &pos) const
|
||
{
|
||
Q_D(const QuantitySpinBox);
|
||
Q_UNUSED(pos)
|
||
|
||
QValidator::State state;
|
||
const App::ObjectIdentifier & path = getPath();
|
||
d->validateAndInterpret(text, state, path);
|
||
return state;
|
||
}
|
||
|
||
void QuantitySpinBox::fixup(QString &input) const
|
||
{
|
||
input.remove(locale().groupSeparator());
|
||
}
|
||
|
||
|
||
#include "moc_QuantitySpinBox.cpp"
|
||
#include "moc_QuantitySpinBox_p.cpp"
|