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0001 /*************************************************************************** 0002 Copyright (C) 2003-2009 Robby Stephenson <robby@periapsis.org> 0003 ***************************************************************************/ 0004 0005 /*************************************************************************** 0006 * * 0007 * This program is free software; you can redistribute it and/or * 0008 * modify it under the terms of the GNU General Public License as * 0009 * published by the Free Software Foundation; either version 2 of * 0010 * the License or (at your option) version 3 or any later version * 0011 * accepted by the membership of KDE e.V. (or its successor approved * 0012 * by the membership of KDE e.V.), which shall act as a proxy * 0013 * defined in Section 14 of version 3 of the license. * 0014 * * 0015 * This program is distributed in the hope that it will be useful, * 0016 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0018 * GNU General Public License for more details. * 0019 * * 0020 * You should have received a copy of the GNU General Public License * 0021 * along with this program. If not, see <http://www.gnu.org/licenses/>. * 0022 * * 0023 ***************************************************************************/ 0024 0025 #include "spinbox.h" 0026 0027 #include <QLineEdit> 0028 0029 using Tellico::GUI::SpinBox; 0030 0031 SpinBox::SpinBox(int min_, int max_, QWidget * parent_) : QSpinBox(parent_) { 0032 setMinimum(min_); 0033 setMaximum(max_); 0034 setAlignment(Qt::AlignRight); 0035 // I want to be able to have an empty value at the minimum 0036 // an empty string just removes the special value, so set white space 0037 setSpecialValueText(QStringLiteral(" ")); 0038 connect(lineEdit(), &QLineEdit::textChanged, this, &SpinBox::checkValue); 0039 } 0040 0041 void SpinBox::checkValue(const QString& text_) { 0042 Q_UNUSED(text_); 0043 // if we delete everything in the lineedit, then we want to have an empty value 0044 // which is equivalent to the minimum, or special value text 0045 if(cleanText().isEmpty()) { 0046 setValue(minimum()); 0047 } 0048 } 0049 0050 QValidator::State SpinBox::validate(QString& text_, int& pos_) const { 0051 if(text_.endsWith(QLatin1Char(' '))) { 0052 text_.remove(text_.length()-1, 1); 0053 } 0054 return QSpinBox::validate(text_, pos_); 0055 } 0056 0057 void SpinBox::stepBy(int steps_) { 0058 const int oldValue = value(); 0059 const QString oldText = lineEdit()->text(); 0060 0061 QSpinBox::stepBy(steps_); 0062 0063 // QT bug? Apparently, after the line edit is cleared, the internal value is not changed 0064 // then when the little buttons are clicked, the internal value is inserted in the line edit 0065 // but the valueChanged signal is not emitted 0066 if(oldText != lineEdit()->text() && oldValue == value()) { 0067 emit valueChanged(value()); 0068 #if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0)) 0069 emit valueChanged(text()); 0070 #else 0071 emit textChanged(text()); 0072 #endif 0073 } 0074 }