| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the Qt Quick Controls module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | ** included in the packaging of this file. Please review the following |
| 32 | ** information to ensure the GNU General Public License requirements will |
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "qquickspinboxvalidator_p.h" |
| 41 | |
| 42 | #if QT_CONFIG(validator) |
| 43 | |
| 44 | QT_BEGIN_NAMESPACE |
| 45 | |
| 46 | QQuickSpinBoxValidator1::QQuickSpinBoxValidator1(QObject *parent) |
| 47 | : QValidator(parent), m_value(0), m_step(1), m_initialized(false) |
| 48 | { |
| 49 | m_validator.setTop(99); |
| 50 | m_validator.setBottom(0); |
| 51 | m_validator.setDecimals(0); |
| 52 | m_validator.setNotation(QDoubleValidator::StandardNotation); |
| 53 | |
| 54 | QLocale locale; |
| 55 | locale.setNumberOptions(QLocale::OmitGroupSeparator); |
| 56 | setLocale(locale); |
| 57 | |
| 58 | connect(sender: this, SIGNAL(valueChanged()), receiver: this, SIGNAL(textChanged())); |
| 59 | connect(sender: this, SIGNAL(minimumValueChanged()), receiver: this, SIGNAL(textChanged())); |
| 60 | connect(sender: this, SIGNAL(maximumValueChanged()), receiver: this, SIGNAL(textChanged())); |
| 61 | connect(sender: this, SIGNAL(decimalsChanged()), receiver: this, SIGNAL(textChanged())); |
| 62 | connect(sender: this, SIGNAL(prefixChanged()), receiver: this, SIGNAL(textChanged())); |
| 63 | connect(sender: this, SIGNAL(suffixChanged()), receiver: this, SIGNAL(textChanged())); |
| 64 | } |
| 65 | |
| 66 | QQuickSpinBoxValidator1::~QQuickSpinBoxValidator1() |
| 67 | { |
| 68 | } |
| 69 | |
| 70 | QString QQuickSpinBoxValidator1::text() const |
| 71 | { |
| 72 | return textFromValue(value: m_value); |
| 73 | } |
| 74 | |
| 75 | qreal QQuickSpinBoxValidator1::value() const |
| 76 | { |
| 77 | return m_value; |
| 78 | } |
| 79 | |
| 80 | void QQuickSpinBoxValidator1::setValue(qreal value) |
| 81 | { |
| 82 | if (m_initialized) { |
| 83 | value = qBound(min: minimumValue(), val: value, max: maximumValue()); |
| 84 | value = QString::number(value, f: 'f', prec: m_validator.decimals()).toDouble(); |
| 85 | } |
| 86 | |
| 87 | if (m_value != value) { |
| 88 | m_value = value; |
| 89 | |
| 90 | if (m_initialized) |
| 91 | emit valueChanged(); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | qreal QQuickSpinBoxValidator1::minimumValue() const |
| 96 | { |
| 97 | return m_validator.bottom(); |
| 98 | } |
| 99 | |
| 100 | void QQuickSpinBoxValidator1::setMinimumValue(qreal min) |
| 101 | { |
| 102 | if (min != m_validator.bottom()) { |
| 103 | m_validator.setBottom(min); |
| 104 | emit minimumValueChanged(); |
| 105 | if (m_initialized) |
| 106 | setValue(m_value); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | qreal QQuickSpinBoxValidator1::maximumValue() const |
| 111 | { |
| 112 | return m_validator.top(); |
| 113 | } |
| 114 | |
| 115 | void QQuickSpinBoxValidator1::setMaximumValue(qreal max) |
| 116 | { |
| 117 | if (max != m_validator.top()) { |
| 118 | m_validator.setTop(max); |
| 119 | emit maximumValueChanged(); |
| 120 | if (m_initialized) |
| 121 | setValue(m_value); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | int QQuickSpinBoxValidator1::decimals() const |
| 126 | { |
| 127 | return m_validator.decimals(); |
| 128 | } |
| 129 | |
| 130 | void QQuickSpinBoxValidator1::setDecimals(int decimals) |
| 131 | { |
| 132 | if (decimals != m_validator.decimals()) { |
| 133 | m_validator.setDecimals(decimals); |
| 134 | emit decimalsChanged(); |
| 135 | if (m_initialized) |
| 136 | setValue(m_value); |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | qreal QQuickSpinBoxValidator1::stepSize() const |
| 141 | { |
| 142 | return m_step; |
| 143 | } |
| 144 | |
| 145 | void QQuickSpinBoxValidator1::setStepSize(qreal step) |
| 146 | { |
| 147 | if (m_step != step) { |
| 148 | m_step = step; |
| 149 | emit stepSizeChanged(); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | QString QQuickSpinBoxValidator1::prefix() const |
| 154 | { |
| 155 | return m_prefix; |
| 156 | } |
| 157 | |
| 158 | void QQuickSpinBoxValidator1::setPrefix(const QString &prefix) |
| 159 | { |
| 160 | if (m_prefix != prefix) { |
| 161 | m_prefix = prefix; |
| 162 | emit prefixChanged(); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | QString QQuickSpinBoxValidator1::suffix() const |
| 167 | { |
| 168 | return m_suffix; |
| 169 | } |
| 170 | |
| 171 | void QQuickSpinBoxValidator1::setSuffix(const QString &suffix) |
| 172 | { |
| 173 | if (m_suffix != suffix) { |
| 174 | m_suffix = suffix; |
| 175 | emit suffixChanged(); |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | void QQuickSpinBoxValidator1::fixup(QString &input) const |
| 180 | { |
| 181 | input = textFromValue(value: m_value).remove(c: locale().groupSeparator()); |
| 182 | } |
| 183 | |
| 184 | QValidator::State QQuickSpinBoxValidator1::validate(QString &input, int &pos) const |
| 185 | { |
| 186 | if (pos > 0 && pos < input.length()) { |
| 187 | if (input.at(i: pos - 1) == locale().groupSeparator()) |
| 188 | return QValidator::Invalid; |
| 189 | if (input.at(i: pos - 1) == locale().decimalPoint() && m_validator.decimals() == 0) |
| 190 | return QValidator::Invalid; |
| 191 | } |
| 192 | |
| 193 | if (!m_prefix.isEmpty() && !input.startsWith(s: m_prefix)) { |
| 194 | input.prepend(s: m_prefix); |
| 195 | pos += m_prefix.length(); |
| 196 | } |
| 197 | |
| 198 | if (!m_suffix.isEmpty() && !input.endsWith(s: m_suffix)) |
| 199 | input.append(s: m_suffix); |
| 200 | |
| 201 | QString value = input.mid(position: m_prefix.length(), n: input.length() - m_prefix.length() - m_suffix.length()); |
| 202 | int valuePos = pos - m_prefix.length(); |
| 203 | QValidator::State state = m_validator.validate(value, valuePos); |
| 204 | input = m_prefix + value + m_suffix; |
| 205 | pos = m_prefix.length() + valuePos; |
| 206 | |
| 207 | if (state == QValidator::Acceptable || state == QValidator::Intermediate) { |
| 208 | bool ok = false; |
| 209 | qreal val = locale().toDouble(s: value, ok: &ok); |
| 210 | if (ok) { |
| 211 | if (state == QValidator::Acceptable || |
| 212 | (state == QValidator::Intermediate && val >= 0 && val <= m_validator.top()) || |
| 213 | (state == QValidator::Intermediate && val < 0 && val >= m_validator.bottom())) { |
| 214 | const_cast<QQuickSpinBoxValidator1 *>(this)->setValue(val); |
| 215 | if (input != textFromValue(value: val)) |
| 216 | state = QValidator::Intermediate; |
| 217 | } else if (val < m_validator.bottom() || val > m_validator.top()) { |
| 218 | return QValidator::Invalid; |
| 219 | } |
| 220 | } |
| 221 | } |
| 222 | return state; |
| 223 | } |
| 224 | |
| 225 | void QQuickSpinBoxValidator1::componentComplete() |
| 226 | { |
| 227 | m_initialized = true; |
| 228 | setValue(m_value); |
| 229 | } |
| 230 | |
| 231 | void QQuickSpinBoxValidator1::increment() |
| 232 | { |
| 233 | setValue(m_value + m_step); |
| 234 | } |
| 235 | |
| 236 | void QQuickSpinBoxValidator1::decrement() |
| 237 | { |
| 238 | setValue(m_value - m_step); |
| 239 | } |
| 240 | |
| 241 | QString QQuickSpinBoxValidator1::textFromValue(qreal value) const |
| 242 | { |
| 243 | return m_prefix + locale().toString(i: value, f: 'f', prec: m_validator.decimals()) + m_suffix; |
| 244 | } |
| 245 | |
| 246 | QT_END_NAMESPACE |
| 247 | |
| 248 | #endif // QT_CONFIG(validator) |
| 249 | |