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);elsereturn;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"));elsem_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_OBJECTpublic:/*** @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_
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