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LICENSE Normal file
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@@ -0,0 +1,121 @@
木兰宽松许可证, 第1版
木兰宽松许可证， 第1版
2019年8月 http://license.coscl.org.cn/MulanPSL
您对“软件”的复制、使用、修改及分发受木兰宽松许可证，第1版（“本许可证”）的如下条款的约束：
0. 定义
“软件”是指由“贡献”构成的许可在“本许可证”下的程序和相关文档的集合。
“贡献者”是指将受版权法保护的作品许可在“本许可证”下的自然人或“法人实体”。
“法人实体”是指提交贡献的机构及其“关联实体”。
“关联实体”是指，对“本许可证”下的一方而言，控制、受控制或与其共同受控制的机构，此处的控制是指有受控方或共同受控方至少50%直接或间接的投票权、资金或其他有价证券。
“贡献”是指由任一“贡献者”许可在“本许可证”下的受版权法保护的作品。
1. 授予版权许可
每个“贡献者”根据“本许可证”授予您永久性的、全球性的、免费的、非独占的、不可撤销的版权许可，您可以复制、使用、修改、分发其“贡献”，不论修改与否。
2. 授予专利许可
每个“贡献者”根据“本许可证”授予您永久性的、全球性的、免费的、非独占的、不可撤销的（根据本条规定撤销除外）专利许可，供您制造、委托制造、使用、许诺销售、销售、进口其“贡献”或以其他方式转移其“贡献”。前述专利许可仅限于“贡献者”现在或将来拥有或控制的其“贡献”本身或其“贡献”与许可“贡献”时的“软件”结合而将必然会侵犯的专利权利要求，不包括仅因您或他人修改“贡献”或其他结合而将必然会侵犯到的专利权利要求。如您或您的“关联实体”直接或间接地（包括通过代理、专利被许可人或受让人），就“软件”或其中的“贡献”对任何人发起专利侵权诉讼（包括反诉或交叉诉讼）或其他专利维权行动，指控其侵犯专利权，则“本许可证”授予您对“软件”的专利许可自您提起诉讼或发起维权行动之日终止。
3. 无商标许可
“本许可证”不提供对“贡献者”的商品名称、商标、服务标志或产品名称的商标许可，但您为满足第4条规定的声明义务而必须使用除外。
4. 分发限制
您可以在任何媒介中将“软件”以源程序形式或可执行形式重新分发，不论修改与否，但您必须向接收者提供“本许可证”的副本，并保留“软件”中的版权、商标、专利及免责声明。
5. 免责声明与责任限制
“软件”及其中的“贡献”在提供时不带任何明示或默示的担保。在任何情况下，“贡献者”或版权所有者不对任何人因使用“软件”或其中的“贡献”而引发的任何直接或间接损失承担责任，不论因何种原因导致或者基于何种法律理论,即使其曾被建议有此种损失的可能性。
条款结束。
如何将木兰宽松许可证，第1版，应用到您的软件
如果您希望将木兰宽松许可证，第1版，应用到您的新软件，为了方便接收者查阅，建议您完成如下三步：
1， 请您补充如下声明中的空白，包括软件名、软件的首次发表年份以及您作为版权人的名字；
2， 请您在软件包的一级目录下创建以“LICENSE”为名的文件，将整个许可证文本放入该文件中；
3， 请将如下声明文本放入每个源文件的头部注释中。
Copyright (c) [2019] [name of copyright holder]
[Software Name] is licensed under the Mulan PSL v1.
You can use this software according to the terms and conditions of the Mulan PSL v1.
You may obtain a copy of Mulan PSL v1 at:
http://license.coscl.org.cn/MulanPSL
THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
PURPOSE.
See the Mulan PSL v1 for more details.
Mulan Permissive Software License，Version 1
Mulan Permissive Software License，Version 1 (Mulan PSL v1)
August 2019 http://license.coscl.org.cn/MulanPSL
Your reproduction, use, modification and distribution of the Software shall be subject to Mulan PSL v1 (this License) with following terms and conditions:
0. Definition
Software means the program and related documents which are comprised of those Contribution and licensed under this License.
Contributor means the Individual or Legal Entity who licenses its copyrightable work under this License.
Legal Entity means the entity making a Contribution and all its Affiliates.
Affiliates means entities that control, or are controlled by, or are under common control with a party to this License, ‘control’ means direct or indirect ownership of at least fifty percent (50%) of the voting power, capital or other securities of controlled or commonly controlled entity.
Contribution means the copyrightable work licensed by a particular Contributor under this License.
1. Grant of Copyright License
Subject to the terms and conditions of this License, each Contributor hereby grants to you a perpetual, worldwide, royalty-free, non-exclusive, irrevocable copyright license to reproduce, use, modify, or distribute its Contribution, with modification or not.
2. Grant of Patent License
Subject to the terms and conditions of this License, each Contributor hereby grants to you a perpetual, worldwide, royalty-free, non-exclusive, irrevocable (except for revocation under this Section) patent license to make, have made, use, offer for sale, sell, import or otherwise transfer its Contribution where such patent license is only limited to the patent claims owned or controlled by such Contributor now or in future which will be necessarily infringed by its Contribution alone, or by combination of the Contribution with the Software to which the Contribution was contributed, excluding of any patent claims solely be infringed by your or others’ modification or other combinations. If you or your Affiliates directly or indirectly (including through an agent, patent licensee or assignee）, institute patent litigation (including a cross claim or counterclaim in a litigation) or other patent enforcement activities against any individual or entity by alleging that the Software or any Contribution in it infringes patents, then any patent license granted to you under this License for the Software shall terminate as of the date such litigation or activity is filed or taken.
3. No Trademark License
No trademark license is granted to use the trade names, trademarks, service marks, or product names of Contributor, except as required to fulfill notice requirements in section 4.
4. Distribution Restriction
You may distribute the Software in any medium with or without modification, whether in source or executable forms, provided that you provide recipients with a copy of this License and retain copyright, patent, trademark and disclaimer statements in the Software.
5. Disclaimer of Warranty and Limitation of Liability
The Software and Contribution in it are provided without warranties of any kind, either express or implied. In no event shall any Contributor or copyright holder be liable to you for any damages, including, but not limited to any direct, or indirect, special or consequential damages arising from your use or inability to use the Software or the Contribution in it, no matter how it’s caused or based on which legal theory, even if advised of the possibility of such damages.
End of the Terms and Conditions
How to apply the Mulan Permissive Software License，Version 1 (Mulan PSL v1) to your software
To apply the Mulan PSL v1 to your work, for easy identification by recipients, you are suggested to complete following three steps:
i. Fill in the blanks in following statement, including insert your software name, the year of the first publication of your software, and your name identified as the copyright owner;
ii. Create a file named “LICENSE” which contains the whole context of this License in the first directory of your software package;
iii. Attach the statement to the appropriate annotated syntax at the beginning of each source file.
Copyright (c) [2019] [name of copyright holder]
[Software Name] is licensed under the Mulan PSL v1.
You can use this software according to the terms and conditions of the Mulan PSL v1.
You may obtain a copy of Mulan PSL v1 at:
http://license.coscl.org.cn/MulanPSL
THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
PURPOSE.
See the Mulan PSL v1 for more details.

2
README.md
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@@ -15,3 +15,5 @@ Qt编写的一些开源的demo，包括串口调试助手、网络调试助手
| 9 | styledemo | 高仿PS黑色+扁平白色+淡蓝色风格主题 |
| 10 | navbutton | 导航按钮控件 |
| 11 | video_splite | 视频监控画面分割demo |
| 12 | framelesswidget | 通用无边框拖动拉伸类 |
| 13 | ipaddress | IP地址输入控件 |

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#include "framelesswidget.h"
#include "qevent.h"
#include "qdebug.h"
FramelessWidget::FramelessWidget(QObject *parent) : QObject(parent)
{
padding = 8;
widget = 0;
pressed = false;
pressedLeft = false;
pressedRight = false;
pressedTop = false;
pressedBottom = false;
pressedLeftTop = false;
pressedRightTop = false;
pressedLeftBottom = false;
pressedRightBottom = false;
//如果父类是窗体则直接设置
if (parent->isWidgetType()) {
setWidget((QWidget *)parent);
}
}
bool FramelessWidget::eventFilter(QObject *watched, QEvent *event)
{
if (widget != 0 && watched == widget) {
if (event->type() == QEvent::Resize) {
//重新计算八个描点的区域,描点区域的作用还有就是计算鼠标坐标是否在某一个区域内
int width = widget->width();
int height = widget->height();
//左侧描点区域
rectLeft = QRectF(0, padding, padding, height - padding * 2);
//上侧描点区域
rectTop = QRectF(padding, 0, width - padding * 2, padding);
//右侧描点区域
rectRight = QRectF(width - padding, padding, padding, height - padding * 2);
//下侧描点区域
rectBottom = QRectF(padding, height - padding, width - padding * 2, padding);
//左上角描点区域
rectLeftTop = QRectF(0, 0, padding, padding);
//右上角描点区域
rectRightTop = QRectF(width - padding, 0, padding, padding);
//左下角描点区域
rectLeftBottom = QRectF(0, height - padding, padding, padding);
//右下角描点区域
rectRightBottom = QRectF(width - padding, height - padding, padding, padding);
} else {
QMouseEvent *mouseEvent = (QMouseEvent *)event;
if (event->type() == QEvent::MouseButtonPress) {
//记住当前控件坐标和宽高以及鼠标按下的坐标
rectX = widget->x();
rectY = widget->y();
rectW = widget->width();
rectH = widget->height();
lastPos = mouseEvent->pos();
//判断按下的手柄的区域位置
if (rectLeft.contains(lastPos)) {
pressedLeft = true;
} else if (rectRight.contains(lastPos)) {
pressedRight = true;
} else if (rectTop.contains(lastPos)) {
pressedTop = true;
} else if (rectBottom.contains(lastPos)) {
pressedBottom = true;
} else if (rectLeftTop.contains(lastPos)) {
pressedLeftTop = true;
} else if (rectRightTop.contains(lastPos)) {
pressedRightTop = true;
} else if (rectLeftBottom.contains(lastPos)) {
pressedLeftBottom = true;
} else if (rectRightBottom.contains(lastPos)) {
pressedRightBottom = true;
} else {
pressed = true;
}
} else if (event->type() == QEvent::MouseMove) {
//设置对应鼠标形状
QPoint point = mouseEvent->pos();
if (rectLeft.contains(point)) {
widget->setCursor(Qt::SizeHorCursor);
} else if (rectRight.contains(point)) {
widget->setCursor(Qt::SizeHorCursor);
} else if (rectTop.contains(point)) {
widget->setCursor(Qt::SizeVerCursor);
} else if (rectBottom.contains(point)) {
widget->setCursor(Qt::SizeVerCursor);
} else if (rectLeftTop.contains(point)) {
widget->setCursor(Qt::SizeFDiagCursor);
} else if (rectRightTop.contains(point)) {
widget->setCursor(Qt::SizeBDiagCursor);
} else if (rectLeftBottom.contains(point)) {
widget->setCursor(Qt::SizeBDiagCursor);
} else if (rectRightBottom.contains(point)) {
widget->setCursor(Qt::SizeFDiagCursor);
} else {
widget->setCursor(Qt::ArrowCursor);
}
//根据当前鼠标位置,计算XY轴移动了多少
QPoint pos = mouseEvent->pos();
int dx = pos.x() - lastPos.x();
int dy = pos.y() - lastPos.y();
//根据按下处的位置判断是否是移动控件还是拉伸控件
if (pressed) {
widget->move(widget->x() + dx, widget->y() + dy);
} else if (pressedLeft) {
int resizeW = widget->width() - dx;
if (widget->minimumWidth() <= resizeW) {
widget->setGeometry(widget->x() + dx, rectY, resizeW, rectH);
}
} else if (pressedRight) {
widget->setGeometry(rectX, rectY, rectW + dx, rectH);
} else if (pressedTop) {
int resizeH = widget->height() - dy;
if (widget->minimumHeight() <= resizeH) {
widget->setGeometry(rectX, widget->y() + dy, rectW, resizeH);
}
} else if (pressedBottom) {
widget->setGeometry(rectX, rectY, rectW, rectH + dy);
} else if (pressedLeftTop) {
int resizeW = widget->width() - dx;
int resizeH = widget->height() - dy;
if (widget->minimumWidth() <= resizeW) {
widget->setGeometry(widget->x() + dx, widget->y(), resizeW, resizeH);
}
if (widget->minimumHeight() <= resizeH) {
widget->setGeometry(widget->x(), widget->y() + dy, resizeW, resizeH);
}
} else if (pressedRightTop) {
int resizeW = rectW + dx;
int resizeH = widget->height() - dy;
if (widget->minimumHeight() <= resizeH) {
widget->setGeometry(widget->x(), widget->y() + dy, resizeW, resizeH);
}
} else if (pressedLeftBottom) {
int resizeW = widget->width() - dx;
int resizeH = rectH + dy;
if (widget->minimumWidth() <= resizeW) {
widget->setGeometry(widget->x() + dx, widget->y(), resizeW, resizeH);
}
if (widget->minimumHeight() <= resizeH) {
widget->setGeometry(widget->x(), widget->y(), resizeW, resizeH);
}
} else if (pressedRightBottom) {
int resizeW = rectW + dx;
int resizeH = rectH + dy;
widget->setGeometry(widget->x(), widget->y(), resizeW, resizeH);
}
} else if (event->type() == QEvent::MouseButtonRelease) {
//恢复所有
pressed = false;
pressedLeft = false;
pressedRight = false;
pressedTop = false;
pressedBottom = false;
pressedLeftTop = false;
pressedRightTop = false;
pressedLeftBottom = false;
pressedRightBottom = false;
widget->setCursor(Qt::ArrowCursor);
}
}
}
return QObject::eventFilter(watched, event);
}
void FramelessWidget::setPadding(int padding)
{
this->padding = padding;
}
void FramelessWidget::setWidget(QWidget *widget)
{
if (this->widget == 0) {
this->widget = widget;
//设置鼠标追踪为真
this->widget->setMouseTracking(true);
//绑定事件过滤器
this->widget->installEventFilter(this);
//设置无边框属性
this->widget->setWindowFlags(Qt::FramelessWindowHint);
//this->widget->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint);
}
}

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#ifndef FRAMELESSWIDGET_H
#define FRAMELESSWIDGET_H
/**
* 无边框窗体类 作者:feiyangqingyun(QQ:517216493) 2019-10-03
* 1:可以指定需要无边框的widget
* 2:边框四周八个方位都可以自由拉伸
* 3:可设置对应位置的边距,以便识别更大区域
*/
#include <QWidget>
#ifdef quc
#if (QT_VERSION < QT_VERSION_CHECK(5,7,0))
#include <QtDesigner/QDesignerExportWidget>
#else
#include <QtUiPlugin/QDesignerExportWidget>
#endif
class QDESIGNER_WIDGET_EXPORT FramelessWidget : public QObject
#else
class FramelessWidget : public QObject
#endif
{
Q_OBJECT
public:
explicit FramelessWidget(QObject *parent = 0);
protected:
bool eventFilter(QObject *watched, QEvent *event);
private:
int padding; //边距
QWidget *widget; //无边框窗体
bool pressed; //鼠标按下
bool pressedLeft; //鼠标按下左侧
bool pressedRight; //鼠标按下右侧
bool pressedTop; //鼠标按下上侧
bool pressedBottom; //鼠标按下下侧
bool pressedLeftTop; //鼠标按下左上侧
bool pressedRightTop; //鼠标按下右上侧
bool pressedLeftBottom; //鼠标按下左下侧
bool pressedRightBottom; //鼠标按下右下侧
int rectX, rectY, rectW, rectH; //窗体坐标+宽高
QPoint lastPos; //鼠标按下处坐标
QRectF rectLeft; //左侧区域
QRectF rectRight; //右侧区域
QRectF rectTop; //上侧区域
QRectF rectBottom; //下侧区域
QRectF rectLeftTop; //左上侧区域
QRectF rectRightTop; //右上侧区域
QRectF rectLeftBottom; //左下侧区域
QRectF rectRightBottom; //右下侧区域
public Q_SLOTS:
//设置边距
void setPadding(int padding);
//设置要无边框的窗体
void setWidget(QWidget *widget);
};
#endif // FRAMELESSWIDGET_H

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framelesswidget/framelesswidget.pro Normal file
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#-------------------------------------------------
#
# Project created by QtCreator 2019-10-03T10:55:58
#
#-------------------------------------------------
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = framelesswidget
TEMPLATE = app
DESTDIR = $$PWD/../bin
CONFIG += warn_off
SOURCES += main.cpp
SOURCES += frmframelesswidget.cpp
SOURCES += framelesswidget.cpp
HEADERS += frmframelesswidget.h
HEADERS += framelesswidget.h
FORMS += frmframelesswidget.ui

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framelesswidget/frmframelesswidget.cpp Normal file
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#pragma execution_character_set("utf-8")
#include "frmframelesswidget.h"
#include "ui_frmframelesswidget.h"
#include "qpushbutton.h"
#include "framelesswidget.h"
frmFramelessWidget::frmFramelessWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmFramelessWidget)
{
ui->setupUi(this);
}
frmFramelessWidget::~frmFramelessWidget()
{
delete ui;
}
void frmFramelessWidget::on_btnOpen_clicked()
{
QWidget *w = new QWidget;
w->setAttribute(Qt::WA_DeleteOnClose);
w->setWindowTitle("自由拉伸无边框窗体");
w->resize(480, 320);
//设置下背景颜色区别看
QPalette palette = w->palette();
palette.setBrush(QPalette::Background, QColor(162, 121, 197));
w->setPalette(palette);
QPushButton *btn = new QPushButton(w);
connect(btn, SIGNAL(clicked(bool)), w, SLOT(close()));
btn->setGeometry(10, 10, 100, 25);
btn->setText("关闭");
FramelessWidget *f = new FramelessWidget(w);
f->setWidget(w);
w->show();
}

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framelesswidget/frmframelesswidget.h Normal file
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#ifndef FRMFRAMELESSWIDGET_H
#define FRMFRAMELESSWIDGET_H
#include <QWidget>
namespace Ui
{
class frmFramelessWidget;
}
class frmFramelessWidget : public QWidget
{
Q_OBJECT
public:
explicit frmFramelessWidget(QWidget *parent = 0);
~frmFramelessWidget();
private:
Ui::frmFramelessWidget *ui;
private slots:
void on_btnOpen_clicked();
};
#endif // FRMFRAMELESSWIDGET_H

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framelesswidget/frmframelesswidget.ui Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>frmFramelessWidget</class>
<widget class="QWidget" name="frmFramelessWidget">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>500</width>
<height>300</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="QPushButton" name="btnOpen">
<property name="geometry">
<rect>
<x>10</x>
<y>10</y>
<width>181</width>
<height>23</height>
</rect>
</property>
<property name="text">
<string>弹窗无边框窗体</string>
</property>
</widget>
</widget>
<resources/>
<connections/>
</ui>

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framelesswidget/main.cpp Normal file
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#pragma execution_character_set("utf-8")
#include "frmframelesswidget.h"
#include <QApplication>
#include <QTextCodec>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
a.setFont(QFont("Microsoft Yahei", 9));
#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
#if _MSC_VER
QTextCodec *codec = QTextCodec::codecForName("gbk");
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
#endif
QTextCodec::setCodecForLocale(codec);
QTextCodec::setCodecForCStrings(codec);
QTextCodec::setCodecForTr(codec);
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
QTextCodec::setCodecForLocale(codec);
#endif
frmFramelessWidget w;
w.setWindowTitle("无边框窗体类");
w.show();
return a.exec();
}

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ipaddress/frmipaddress.cpp Normal file
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#pragma execution_character_set("utf-8")
#include "frmipaddress.h"
#include "ui_frmipaddress.h"
#include "qdebug.h"
frmIPAddress::frmIPAddress(QWidget *parent) : QWidget(parent), ui(new Ui::frmIPAddress)
{
ui->setupUi(this);
}
frmIPAddress::~frmIPAddress()
{
delete ui;
}
void frmIPAddress::on_btnSetIP_clicked()
{
ui->widgetIP->setIP("192.168.1.56");
}
void frmIPAddress::on_btnGetIP_clicked()
{
qDebug() << ui->widgetIP->getIP();
}
void frmIPAddress::on_btnClear_clicked()
{
ui->widgetIP->clear();
}

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ipaddress/frmipaddress.h Normal file
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#ifndef FRMADDRESS_H
#define FRMADDRESS_H
#include <QWidget>
namespace Ui {
class frmIPAddress;
}
class frmIPAddress : public QWidget
{
Q_OBJECT
public:
explicit frmIPAddress(QWidget *parent = 0);
~frmIPAddress();
private:
Ui::frmIPAddress *ui;
private slots:
void on_btnSetIP_clicked();
void on_btnGetIP_clicked();
void on_btnClear_clicked();
};
#endif // FRMADDRESS_H

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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>frmIPAddress</class>
<widget class="QWidget" name="frmIPAddress">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>500</width>
<height>300</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="QWidget" name="">
<property name="geometry">
<rect>
<x>9</x>
<y>9</y>
<width>481</width>
<height>71</height>
</rect>
</property>
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0" colspan="3">
<widget class="IPAddress" name="widgetIP" native="true"/>
</item>
<item row="1" column="0">
<widget class="QPushButton" name="btnSetIP">
<property name="text">
<string>设置IP</string>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QPushButton" name="btnGetIP">
<property name="text">
<string>获取IP</string>
</property>
</widget>
</item>
<item row="1" column="2">
<widget class="QPushButton" name="btnClear">
<property name="text">
<string>清空</string>
</property>
</widget>
</item>
</layout>
</widget>
</widget>
<layoutdefault spacing="6" margin="11"/>
<customwidgets>
<customwidget>
<class>IPAddress</class>
<extends>QWidget</extends>
<header>ipaddress.h</header>
<container>1</container>
</customwidget>
</customwidgets>
<resources/>
<connections/>
</ui>

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#pragma execution_character_set("utf-8")
#include "ipaddress.h"
#include "qlabel.h"
#include "qlineedit.h"
#include "qboxlayout.h"
#include "qregexp.h"
#include "qvalidator.h"
#include "qevent.h"
#include "qdebug.h"
IPAddress::IPAddress(QWidget *parent) : QWidget(parent)
{
bgColor = "#FFFFFF";
borderColor = "#A6B5B8";
borderRadius = 3;
//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->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->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->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->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 IPAddress::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() == ".") {
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 IPAddress::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 IPAddress::getIP() const
{
return this->ip;
}
QSize IPAddress::sizeHint() const
{
return QSize(250, 20);
}
QSize IPAddress::minimumSizeHint() const
{
return QSize(30, 10);
}
void IPAddress::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 IPAddress::clear()
{
txtIP1->clear();
txtIP2->clear();
txtIP3->clear();
txtIP4->clear();
txtIP1->setFocus();
}
void IPAddress::setBgColor(const QString &bgColor)
{
if (this->bgColor != bgColor) {
this->bgColor = bgColor;
}
}
void IPAddress::setBorderColor(const QString &borderColor)
{
if (this->borderColor != borderColor) {
this->borderColor = borderColor;
}
}
void IPAddress::setBorderRadius(int borderRadius)
{
if (this->borderRadius != borderRadius) {
this->borderRadius = borderRadius;
}
}

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#ifndef IPADDRESS_H
#define IPADDRESS_H
/**
* IP地址输入框控件 作者:feiyangqingyun(QQ:517216493) 2017-8-11
* 1:可设置IP地址,自动填入框
* 2:可清空IP地址
* 3:支持按下小圆点自动切换
* 4:支持退格键自动切换
* 5:支持IP地址过滤
* 6:可设置背景色/边框颜色/边框圆角角度
*/
#include <QWidget>
class QLabel;
class QLineEdit;
#ifdef quc
#if (QT_VERSION < QT_VERSION_CHECK(5,7,0))
#include <QtDesigner/QDesignerExportWidget>
#else
#include <QtUiPlugin/QDesignerExportWidget>
#endif
class QDESIGNER_WIDGET_EXPORT IPAddress : public QWidget
#else
class IPAddress : public QWidget
#endif
{
Q_OBJECT
Q_PROPERTY(QString ip READ getIP WRITE setIP)
public:
explicit IPAddress(QWidget *parent = 0);
protected:
bool eventFilter(QObject *watched, QEvent *event);
private:
QLabel *labDot1; //第一个小圆点
QLabel *labDot2; //第二个小圆点
QLabel *labDot3; //第三个小圆点
QLineEdit *txtIP1; //IP地址网段输入框1
QLineEdit *txtIP2; //IP地址网段输入框2
QLineEdit *txtIP3; //IP地址网段输入框3
QLineEdit *txtIP4; //IP地址网段输入框4
QString ip; //IP地址
QString bgColor; //背景颜色
QString borderColor;//边框颜色
int borderRadius; //边框圆角角度
private slots:
void textChanged(const QString &text);
public:
//获取IP地址
QString getIP() const;
QSize sizeHint() const;
QSize minimumSizeHint() const;
public Q_SLOTS:
//设置IP地址
void setIP(const QString &ip);
//清空
void clear();
//设置背景颜色
void setBgColor(const QString &bgColor);
//设置边框颜色
void setBorderColor(const QString &borderColor);
//设置边框圆角角度
void setBorderRadius(int borderRadius);
};
#endif // IPADDRESS_H

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#-------------------------------------------------
#
# Project created by QtCreator 2017-08-10T17:11:52
#
#-------------------------------------------------
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = ipaddress
TEMPLATE = app
DESTDIR = $$PWD/../bin
CONFIG += warn_off
SOURCES += main.cpp
SOURCES += frmipaddress.cpp
SOURCES += ipaddress.cpp
HEADERS += frmipaddress.h
HEADERS += ipaddress.h
FORMS += frmipaddress.ui

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#include "frmipaddress.h"
#include <QApplication>
#include <QTextCodec>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
a.setFont(QFont("Microsoft Yahei", 9));
#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
#if _MSC_VER
QTextCodec *codec = QTextCodec::codecForName("gbk");
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
#endif
QTextCodec::setCodecForLocale(codec);
QTextCodec::setCodecForCStrings(codec);
QTextCodec::setCodecForTr(codec);
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
QTextCodec::setCodecForLocale(codec);
#endif
frmIPAddress w;
w.show();
return a.exec();
}