Qt中自定義MessageBox提示框
阿新 • • 發佈:2019-02-16
概述:
在做專案時,我們經常會用到QMessageBox這個控制元件,但有時候Qt自己提供的不能
滿足我們專案的需求,於是打算用自己定義的MessageBox。下面是自己定義的一個訊息提示框的控制元件類,有什麼不對的地方,希望大家一起交流!
標頭檔案:
/** * @brief 自定義MessageBox * @file custommessagebox.h * @author 奮鬥Andy * @version 1.0(版本號) * @date 2016-08-03 */ #ifndef _CUSTOM_MESSAGEBOX_H_ #define _CUSTOM_MESSAGEBOX_H_ #include <QtGui> #include <QDialog> /** * @brief 自定義訊息提示框類 */ class CCustomMessageBox : public QDialog { Q_OBJECT public: /** * @brief 自定義列舉型別 訊息的型別 */ enum CUSTOM_MESSAGE_TYPE{ CUSTOM_MESSAGE_NOICON = 0, /**< 無 */ CUSTOM_MESSAGE_QUESTION, /**< 詢問 */ CUSTOM_MESSAGE_INFORMATION, /**< 資訊 */ CUSTOM_MESSAGE_WARNING, /**< 警告 */ CUSTOM_MESSAGE_CRITICAL, /**< 錯誤 */ }; /** * @brief 建構函式 * @param type [in] 訊息型別 * @param strTitle [in]標題 * @param strInfo [in] 訊息內容 * @param parent [in] 父類視窗 * @param flags [in] 視窗標誌 */ CCustomMessageBox(CUSTOM_MESSAGE_TYPE type, const QString &strTitle, const QString &strInfo,QWidget *parent = 0, Qt::WindowFlags flags = Qt::CustomizeWindowHint | Qt::WindowTitleHint); ~CCustomMessageBox(); /** * @brief 設定顯示內容 * @param strInfo [in] 資訊內容 */ void setTextInfo(const QString &strInfo); /** * @brief 這是一個過載函式 * @see CCustomMessageBox::setTextInfo * @param strTitle [in] 標題 * @param strInfo [in] 資訊內容 */ void setTextInfo(const QString &strTitle, const QString &strInfo); /** * @brief 這是一個過載函式 * @see CCustomMessageBox::setTextInfo * @param type[in] 訊息的型別 * @param strTitle [in] 標題 * @param strInfo [in] 資訊內容 */ void setTextInfo(CUSTOM_MESSAGE_TYPE type, const QString &strTitle, const QString &strInfo); private: /** * @brief 初始化 * @param strInfo [in] 資訊內容 */ void initialize(const QString &strInfo); /** * @brief 佈局 */ void alignment(); private: QLabel *m_pLabelIcon; /**< 提示資訊型別圖示 */ QLabel *m_pLabelInfo; /**< 提示資訊 */ QToolButton *m_pBtnYes; /**< 是(確定)按扭 */ QToolButton *m_pBtnNo; /**< 否(取消)按扭 */ CUSTOM_MESSAGE_TYPE m_eCustomType; /**< 自定義型別 */ }; #endif //_CUSTOM_MESSAGEBOX_H_
原始檔:
#include "custommessagebox.h" #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() { } //設定標籤的內容 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())); } } //介面佈局 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); }