#pragma message( "Compiling " __FILE__ )

#pragma execution_character_set("utf-8")

#include "QIPAddress.h"

#include "qlabel.h"

#include "qlineedit.h"

#include "qboxlayout.h"

#include "qregexp.h"

#include "qvalidator.h"

#include "qevent.h"

#include "qdebug.h"

QIPAddress::QIPAddress(QWidget *parent) : QLineEdit(parent)

{

bgColor = "#FFFFFF";

borderColor = "#A6B5B8";

borderRadius = 0;

//用于显示小圆点的标签,居中对齐

labDot1 = new QLabel;

labDot1->setAlignment(Qt::AlignCenter);

labDot1->setText(".");

labDot2 = new QLabel;

labDot2->setAlignment(Qt::AlignCenter);

labDot2->setText(".");

labDot3 = new QLabel;

labDot3->setAlignment(Qt::AlignCenter);

labDot3->setText(".");

//用于输入IP地址的文本框,居中对齐

txtIP1 = new QLineEdit;

txtIP1->setAttribute(Qt::WA_InputMethodEnabled, false); // 禁止开启输入法

txtIP1->setObjectName("txtIP1");

txtIP1->setAlignment(Qt::AlignCenter);

txtIP1->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

connect(txtIP1, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));

txtIP2 = new QLineEdit;

txtIP2->setAttribute(Qt::WA_InputMethodEnabled, false); // 禁止开启输入法

txtIP2->setObjectName("txtIP2");

txtIP2->setAlignment(Qt::AlignCenter);

txtIP2->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

connect(txtIP2, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));

txtIP3 = new QLineEdit;

txtIP3->setAttribute(Qt::WA_InputMethodEnabled, false); // 禁止开启输入法

txtIP3->setObjectName("txtIP3");

txtIP3->setAlignment(Qt::AlignCenter);

txtIP3->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

connect(txtIP3, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));

txtIP4 = new QLineEdit;

txtIP4->setAttribute(Qt::WA_InputMethodEnabled, false); // 禁止开启输入法

txtIP4->setObjectName("txtIP4");

txtIP4->setAlignment(Qt::AlignCenter);

txtIP4->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

connect(txtIP4, SIGNAL(textChanged(QString)), this, SLOT(textChanged(QString)));

//设置IP地址校验过滤

QRegExp regExp("(2[0-5]{2}|2[0-4][0-9]|1?[0-9]{1,2})");

QRegExpValidator *validator = new QRegExpValidator(regExp, this);

txtIP1->setValidator(validator);

txtIP2->setValidator(validator);

txtIP3->setValidator(validator);

txtIP4->setValidator(validator);

//绑定事件过滤器,识别键盘按下

txtIP1->installEventFilter(this);

txtIP2->installEventFilter(this);

txtIP3->installEventFilter(this);

txtIP4->installEventFilter(this);

QFrame *frame = new QFrame;

frame->setObjectName("frameIP");

QStringList qss;

qss.append(QString("QFrame#frameIP{border:1px solid %1;border-radius:%2px;}").arg(borderColor).arg(borderRadius));

qss.append(QString("QLabel{min-width:15px;background-color:%1;}").arg(bgColor));

qss.append(QString("QLineEdit{background-color:%1;border:none;}").arg(bgColor));

qss.append(QString("QLineEdit#txtIP1{border-top-left-radius:%1px;border-bottom-left-radius:%1px;}").arg(borderRadius));

qss.append(QString("QLineEdit#txtIP4{border-top-right-radius:%1px;border-bottom-right-radius:%1px;}").arg(borderRadius));

frame->setStyleSheet(qss.join(""));

QVBoxLayout *verticalLayout = new QVBoxLayout(this);

verticalLayout->setMargin(0);

verticalLayout->setSpacing(0);

verticalLayout->addWidget(frame);

//将控件按照横向布局排列

QHBoxLayout *layout = new QHBoxLayout(frame);

layout->setMargin(0);

layout->setSpacing(0);

layout->addWidget(txtIP1);

layout->addWidget(labDot1);

layout->addWidget(txtIP2);

layout->addWidget(labDot2);

layout->addWidget(txtIP3);

layout->addWidget(labDot3);

layout->addWidget(txtIP4);

}

bool QIPAddress::eventFilter(QObject *watched, QEvent *event)

{

if (event->type() == QEvent::KeyPress) {

QLineEdit *txt = (QLineEdit *)watched;

if (txt == txtIP1 || txt == txtIP2 || txt == txtIP3 || txt == txtIP4) {

QKeyEvent *key = (QKeyEvent *)event;

//如果当前按下了小数点则移动焦点到下一个输入框

if (key->text() == "." ||

key->text()=="。") {

this->focusNextChild();

}

//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

if (key->key() == Qt::Key_Backspace) {

if (txt->text().length() <= 1) {

this->focusNextPrevChild(false);

}

}

}

}

return QWidget::eventFilter(watched, event);

}

void QIPAddress::textChanged(const QString &text)

{

int len = text.length();

int value = text.toInt();

//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

if (len == 3) {

if (value >= 100 && value <= 255) {

this->focusNextChild();

}

}

//拼接成完整IP地址

ip = QString("%1.%2.%3.%4").arg(txtIP1->text()).arg(txtIP2->text()).arg(txtIP3->text()).arg(txtIP4->text());

}

QString QIPAddress::getIP() const

{

return this->ip;

}

QSize QIPAddress::sizeHint() const

{

return QSize(250, 20);

}

QSize QIPAddress::minimumSizeHint() const

{

return QSize(30, 10);

}

void QIPAddress::setIP(const QString &ip)

{

//先检测IP地址是否合法

QRegExp regExp("((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)");

if (!regExp.exactMatch(ip)) {

return;

}

if (this->ip != ip) {

this->ip = ip;

//将IP地址填入各个网段

QStringList list = ip.split(".");

txtIP1->setText(list.at(0));

txtIP2->setText(list.at(1));

txtIP3->setText(list.at(2));

txtIP4->setText(list.at(3));

}

}

void QIPAddress::clear()

{

txtIP1->clear();

txtIP2->clear();

txtIP3->clear();

txtIP4->clear();

txtIP1->setFocus();

}

void QIPAddress::setBgColor(const QString &bgColor)

{

if (this->bgColor != bgColor) {

this->bgColor = bgColor;

}

}

void QIPAddress::setBorderColor(const QString &borderColor)

{

if (this->borderColor != borderColor) {

this->borderColor = borderColor;

}

}

void QIPAddress::setBorderRadius(int borderRadius)

{

if (this->borderRadius != borderRadius) {

this->borderRadius = borderRadius;

}

}