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   源码介绍

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自己写的QMessageBox，界面要比原装的QMessageBox要好看的多

#include "CCustomMessageBox.h"
#include <QLabel>
#include <QHBoxLayout>
#include <QToolButton>

#define LAYOUT_SPACING 20
#define DEFAULT_HEIGHT  (100)
#define DEFAULT_WIDTH (350)
#define MIN_WEIGHT (100)
#define MIN_WIDTH (150)
#define FONT_SIZE     (14)

CCustomMessageBox::CCustomMessageBox(CUSTOM_MESSAGE_TYPE type, const QString &strTitle, const QString &strInfo, QWidget *parent, Qt::WindowFlags flags)
:QDialog(parent, flags), m_eCustomType(type)
{
initialize(strInfo);
alignment();
setWindowTitle(strTitle);
resize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
setMinimumSize(MIN_WIDTH, MIN_WEIGHT);
}
CCustomMessageBox::~CCustomMessageBox()
{

}

//设置标签的内容
void CCustomMessageBox::setTextInfo(const QString &strInfo)
{
if (!strInfo.isEmpty())
m_pLabelInfo->setText(strInfo);
}

void CCustomMessageBox::setTextInfo(const QString &strTitle, const QString &strInfo)
{
if (strTitle.isEmpty())
this->setWindowTitle(strTitle);

if (!strInfo.isEmpty())
m_pLabelInfo->setText(strInfo);
}

void CCustomMessageBox::setTextInfo(CUSTOM_MESSAGE_TYPE type, const QString &strTitle, const QString &strInfo)
{
if (strTitle.isEmpty())
this->setWindowTitle(strTitle);

if (!strInfo.isEmpty())
m_pLabelInfo->setText(strInfo);
else
return;

m_eCustomType = type;
QString fileName;
switch (m_eCustomType) {
case CUSTOM_MESSAGE_QUESTION:
fileName = ":/question";
break;
case CUSTOM_MESSAGE_INFORMATION:
fileName = ":/information";
break;
case CUSTOM_MESSAGE_WARNING:
fileName = ":/warning";
break;
case CUSTOM_MESSAGE_CRITICAL:
fileName = ":/error";
break;
default:
break;
}
QPixmap iconPix(fileName);
m_pLabelIcon->setPixmap(iconPix);
}


void CCustomMessageBox::initialize(const QString &strInfo)
{
m_pLabelIcon = new QLabel(this);
QString fileName;
switch (m_eCustomType) {
case CUSTOM_MESSAGE_QUESTION:
fileName = ":/question";
break;
case CUSTOM_MESSAGE_INFORMATION:
fileName = ":/information";
break;
case CUSTOM_MESSAGE_WARNING:
fileName = ":/warning";
break;
case CUSTOM_MESSAGE_CRITICAL:
fileName = ":/error";
break;
default:
break;
}

QPixmap iconPix(fileName);
m_pLabelIcon->setPixmap(iconPix);
m_pLabelIcon->setFixedSize(45, 45);
m_pLabelIcon->setObjectName("msgBoxIconLabel");

QFont font;
font.setBold(true);
font.setFamily("Consolas");
font.setPixelSize(FONT_SIZE);

m_pLabelInfo = new QLabel(strInfo, this);
m_pLabelInfo->setWordWrap(true);
m_pLabelInfo->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
m_pLabelInfo->setFont(font);
m_pLabelInfo->setObjectName("msgBoxInfoLabel");


m_pBtnYes = new QToolButton(this);
QPixmap yesPix(":/yes_Btn");
m_pBtnYes->setIcon(yesPix);
m_pBtnYes->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
m_pBtnYes->setIconSize(QSize(30, 30));
m_pBtnYes->setFont(font);
m_pBtnYes->setObjectName("msgBoxYesBtn");
m_pBtnYes->setFocusPolicy(Qt::NoFocus);

if (m_eCustomType == CUSTOM_MESSAGE_QUESTION)
m_pBtnYes->setText(tr("Yes"));
else
m_pBtnYes->setText(tr("Ok"));

connect(m_pBtnYes, SIGNAL(released()), this, SLOT(accept()));

if (m_eCustomType == CUSTOM_MESSAGE_QUESTION)
{
m_pBtnNo = new QToolButton(this);
QPixmap noPix(":/no_Btn");
m_pBtnNo->setIcon(noPix);
m_pBtnNo->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
m_pBtnNo->setIconSize(QSize(30, 30));
m_pBtnNo->setText(tr("No"));
m_pBtnNo->setFont(font);
m_pBtnNo->setObjectName("msgBoxNoBtn");
m_pBtnNo->setFocusPolicy(Qt::NoFocus);

connect(m_pBtnNo, SIGNAL(released()), this, SLOT(reject()));
}

}
//界面布局
void CCustomMessageBox::alignment()
{
QHBoxLayout *hbLabelLayout = new QHBoxLayout;
hbLabelLayout->addWidget(m_pLabelIcon);
hbLabelLayout->addWidget(m_pLabelInfo);

QHBoxLayout *hbBtnLayout = new QHBoxLayout;
hbBtnLayout->addStretch();
hbBtnLayout->addWidget(m_pBtnYes);
if (m_eCustomType == CUSTOM_MESSAGE_QUESTION) {
hbBtnLayout->addStretch();
hbBtnLayout->addWidget(m_pBtnNo);
}
hbBtnLayout->addStretch();

QVBoxLayout *vbLayout = new QVBoxLayout;
vbLayout->addLayout(hbLabelLayout);
vbLayout->addSpacing(20);
vbLayout->addLayout(hbBtnLayout);

this->setLayout(vbLayout);
}






/**
  *  @brief    自定义MessageBox
  *  @file     custommessagebox.h
  *  @author   奋斗Andy
  *  @version  1.0(版本号)
  *  @date     2016-08-03
  */
#ifndef _CUSTOM_MESSAGEBOX_H_
#define _CUSTOM_MESSAGEBOX_H_
#include <QWidget>
#include <QDialog>
class QLabel;
class QToolButton;
class QToolButton;
  /**
   * @brief 自定义消息提示框类
   */
class CCustomMessageBox : public QDialog
{
Q_OBJECT
public:
/**
* @brief 自定义枚举类型 消息的类型
*/
enum CUSTOM_MESSAGE_TYPE {
CUSTOM_MESSAGE_NOICON = 0,  /**< 无 */
CUSTOM_MESSAGE_QUESTION,    /**< 询问 */
CUSTOM_MESSAGE_INFORMATION, /**< 信息 */
CUSTOM_MESSAGE_WARNING,     /**< 警告 */
CUSTOM_MESSAGE_CRITICAL,   /**< 错误 */
};
/**
* @brief 构造函数
* @param type [in] 消息类型
* @param strTitle [in]标题
* @param strInfo [in] 消息内容
* @param parent [in] 父类窗口
* @param flags [in] 窗口标志
*/
CCustomMessageBox(CUSTOM_MESSAGE_TYPE type, const QString &strTitle, const QString &strInfo, QWidget *parent = 0,
Qt::WindowFlags flags = Qt::CustomizeWindowHint | Qt::WindowTitleHint);
~CCustomMessageBox();
/**
* @brief 设置显示内容
* @param strInfo [in] 信息内容
*/
void setTextInfo(const QString &strInfo);
/**
* @brief 这是一个重载函数
* @see CCustomMessageBox::setTextInfo
* @param strTitle [in] 标题
* @param strInfo [in] 信息内容
*/
void setTextInfo(const QString &strTitle, const QString &strInfo);
/**
* @brief 这是一个重载函数
* @see CCustomMessageBox::setTextInfo
* @param type[in] 消息的类型
* @param strTitle [in] 标题
* @param strInfo [in] 信息内容
*/
void setTextInfo(CUSTOM_MESSAGE_TYPE type, const QString &strTitle, const QString &strInfo);
private:
/**
* @brief 初始化
* @param strInfo [in] 信息内容
*/
void initialize(const QString &strInfo);
/**
* @brief 布局
*/
void alignment();
private:
QLabel *m_pLabelIcon;  /**< 提示信息类型图标 */
QLabel *m_pLabelInfo;  /**< 提示信息 */
QToolButton *m_pBtnYes; /**< 是（确定）按扭 */
QToolButton *m_pBtnNo;  /**< 否（取消）按扭 */
CUSTOM_MESSAGE_TYPE m_eCustomType; /**< 自定义类型  */
};
#endif //_CUSTOM_MESSAGEBOX_H_