彻底改版2.0
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feiyangqingyun
210
control/ipaddress/ipaddress.cpp
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210
control/ipaddress/ipaddress.cpp
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#pragma execution_character_set("utf-8")
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#include "ipaddress.h"
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#include "qlabel.h"
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#include "qlineedit.h"
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#include "qboxlayout.h"
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#include "qregexp.h"
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#include "qvalidator.h"
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#include "qevent.h"
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#include "qdebug.h"
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IPAddress::IPAddress(QWidget *parent) : QWidget(parent)
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{
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bgColor = "#FFFFFF";
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borderColor = "#A6B5B8";
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borderRadius = 3;
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//用于显示小圆点的标签,居中对齐
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labDot1 = new QLabel;
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labDot1->setAlignment(Qt::AlignCenter);
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labDot1->setText(".");
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labDot2 = new QLabel;
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labDot2->setAlignment(Qt::AlignCenter);
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labDot2->setText(".");
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labDot3 = new QLabel;
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labDot3->setAlignment(Qt::AlignCenter);
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labDot3->setText(".");
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//用于输入IP地址的文本框,居中对齐
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txtIP1 = new QLineEdit;
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txtIP1->setObjectName("txtIP1");
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txtIP1->setAlignment(Qt::AlignCenter);
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txtIP1->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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connect(txtIP1, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));
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txtIP2 = new QLineEdit;
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txtIP2->setObjectName("txtIP2");
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txtIP2->setAlignment(Qt::AlignCenter);
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txtIP2->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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connect(txtIP2, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));
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txtIP3 = new QLineEdit;
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txtIP3->setObjectName("txtIP3");
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txtIP3->setAlignment(Qt::AlignCenter);
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txtIP3->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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connect(txtIP3, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));
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txtIP4 = new QLineEdit;
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txtIP4->setObjectName("txtIP4");
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txtIP4->setAlignment(Qt::AlignCenter);
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txtIP4->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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connect(txtIP4, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));
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//设置IP地址校验过滤
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QString pattern = "(2[0-5]{2}|2[0-4][0-9]|1?[0-9]{1,2})";
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//确切的说 QRegularExpression QRegularExpressionValidator 从5.0 5.1开始就有
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#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
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QRegularExpression regExp(pattern);
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QRegularExpressionValidator *validator = new QRegularExpressionValidator(regExp, this);
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#else
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QRegExp regExp(pattern);
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QRegExpValidator *validator = new QRegExpValidator(regExp, this);
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#endif
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txtIP1->setValidator(validator);
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txtIP2->setValidator(validator);
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txtIP3->setValidator(validator);
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txtIP4->setValidator(validator);
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//绑定事件过滤器,识别键盘按下
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txtIP1->installEventFilter(this);
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txtIP2->installEventFilter(this);
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txtIP3->installEventFilter(this);
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txtIP4->installEventFilter(this);
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QFrame *frame = new QFrame;
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frame->setObjectName("frameIP");
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QStringList qss;
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qss.append(QString("QFrame#frameIP{border:1px solid %1;border-radius:%2px;}").arg(borderColor).arg(borderRadius));
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qss.append(QString("QLabel{min-width:15px;background-color:%1;}").arg(bgColor));
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qss.append(QString("QLineEdit{background-color:%1;border:none;}").arg(bgColor));
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qss.append(QString("QLineEdit#txtIP1{border-top-left-radius:%1px;border-bottom-left-radius:%1px;}").arg(borderRadius));
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qss.append(QString("QLineEdit#txtIP4{border-top-right-radius:%1px;border-bottom-right-radius:%1px;}").arg(borderRadius));
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frame->setStyleSheet(qss.join(""));
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QVBoxLayout *verticalLayout = new QVBoxLayout(this);
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verticalLayout->setContentsMargins(0, 0, 0, 0);
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verticalLayout->setSpacing(0);
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verticalLayout->addWidget(frame);
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//将控件按照横向布局排列
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QHBoxLayout *layout = new QHBoxLayout(frame);
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layout->setContentsMargins(0, 0, 0, 0);
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layout->setSpacing(0);
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layout->addWidget(txtIP1);
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layout->addWidget(labDot1);
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layout->addWidget(txtIP2);
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layout->addWidget(labDot2);
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layout->addWidget(txtIP3);
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layout->addWidget(labDot3);
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layout->addWidget(txtIP4);
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}
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bool IPAddress::eventFilter(QObject *watched, QEvent *event)
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{
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if (event->type() == QEvent::KeyPress) {
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QLineEdit *txt = (QLineEdit *)watched;
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if (txt == txtIP1 || txt == txtIP2 || txt == txtIP3 || txt == txtIP4) {
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QKeyEvent *key = (QKeyEvent *)event;
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//如果当前按下了小数点则移动焦点到下一个输入框
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if (key->text() == ".") {
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this->focusNextChild();
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}
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//如果按下了退格键并且当前文本框已经没有了内容则焦点往前移
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if (key->key() == Qt::Key_Backspace) {
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if (txt->text().length() <= 1) {
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this->focusNextPrevChild(false);
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}
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}
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}
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}
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return QWidget::eventFilter(watched, event);
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}
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void IPAddress::textChanged(const QString &text)
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{
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int len = text.length();
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int value = text.toInt();
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//判断当前是否输入完成一个网段,是的话则自动移动到下一个输入框
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if (len == 3) {
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if (value >= 100 && value <= 255) {
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this->focusNextChild();
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}
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}
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//拼接成完整IP地址
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ip = QString("%1.%2.%3.%4").arg(txtIP1->text()).arg(txtIP2->text()).arg(txtIP3->text()).arg(txtIP4->text());
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}
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QString IPAddress::getIP() const
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{
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return this->ip;
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}
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QSize IPAddress::sizeHint() const
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{
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return QSize(250, 20);
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}
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QSize IPAddress::minimumSizeHint() const
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{
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return QSize(30, 10);
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}
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void IPAddress::setIP(const QString &ip)
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{
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//先检测IP地址是否合法
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QRegExp regExp("((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)");
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if (!regExp.exactMatch(ip)) {
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return;
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}
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if (this->ip != ip) {
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this->ip = ip;
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//将IP地址填入各个网段
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QStringList list = ip.split(".");
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txtIP1->setText(list.at(0));
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txtIP2->setText(list.at(1));
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txtIP3->setText(list.at(2));
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txtIP4->setText(list.at(3));
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}
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}
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void IPAddress::clear()
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{
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txtIP1->clear();
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txtIP2->clear();
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txtIP3->clear();
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txtIP4->clear();
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txtIP1->setFocus();
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}
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void IPAddress::setBgColor(const QString &bgColor)
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{
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if (this->bgColor != bgColor) {
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this->bgColor = bgColor;
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}
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}
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void IPAddress::setBorderColor(const QString &borderColor)
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{
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if (this->borderColor != borderColor) {
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this->borderColor = borderColor;
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}
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}
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void IPAddress::setBorderRadius(int borderRadius)
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{
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if (this->borderRadius != borderRadius) {
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this->borderRadius = borderRadius;
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}
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}
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