1 class CLeftBubbleWidget : public QWidget 2 { 3     public: 4         CLeftBubbleWidget (QWidget *parent = NULL); 5         ~CLeftBubbleWidget(); 6         void setMessage (QString &strTitle, QString &strMessage); 7          8     private: 9         void init();10         11     private:12         QLabel *m_pNameLabel;13         QLabel *m_pContentLabel;14 };

 1 void CLeftBubbleWidget::init() 2 { 3     m_pNameLabel = new QLabel (this); 4     m_pNameLabel->setObjectName ("ChatOtherOldNameLabel"); 5     m_pContentLabel = new QLabel (this); 6     // m_pContentLabel->setWordWrap (true); 7     m_pContentLabel->setObjectName ("ChatOtherOldMessageLabel"); 8     m_pContentLabel->setStyleSheet ("font-size: 14px;font-family:Microsoft YaHei;border-width: 10px 7px 5px 10px;border-image: url(:image/Resources/otherBubble.png) 10 7 5 10 no-repeat stretch;"); 9     QHBoxLayout *pNameLayout = new QHBoxLayout;10     pNameLayout->setMargin (0);11     pNameLayout->addWidget (m_pNameLabel);12     pNameLayout->addStretch();13     QHBoxLayout *pContentLayout = new QHBoxLayout;14     // lyy : 2016/9/23 16:45:33 说明:order15     pContentLayout->setMargin (0);16     pContentLayout->addWidget (m_pContentLabel);17     pContentLayout->addStretch();18     QVBoxLayout *pMainLayout = new QVBoxLayout;19     pMainLayout->setMargin (0);20     pMainLayout->setSpacing (0);21     pMainLayout->addLayout (pNameLayout);22     pMainLayout->addLayout (pContentLayout);23     this->setLayout (pMainLayout);24 }

 1 class ChatMessageWidget : public QWidget 2 { 3         Q_OBJECT 4     public: 5         enum enMessageType 6         { 7             MySelf, 8             Other 9         };10         11     public:12         ChatMessageWidget (QWidget *parent = 0);13         ~ChatMessageWidget();14         15         void insertMessage (enMessageType messageType, QString strMessText);16         17     public slots:18         void updateScrollBar();19         20     private:21         void dealMySelfMessage (QString &str);22         void dealOtherMessage (QString &str);23         24         void resolveNameAndContent (QString &strOrig, QString &strName, QString &strContent);25         26     private:27         QWidget *m_pScrollWidget;28         QScrollArea *m_pScrollArea;29         QVBoxLayout *m_pScrollWidgetLayout;30         QTimer *m_pScrollTimer;31         32         // lyy : 2016/9/23 12:29:13 说明:33         bool aFlag;34     public:35         void addMessageToShow (EventAlarmInfo eai);36 };

 1 ChatMessageWidget::ChatMessageWidget (QWidget *parent) 2     : QWidget (parent) 3 { 4     m_pScrollWidget = new QWidget (this); 5     m_pScrollWidget->setObjectName ("ChatMessageWidget_ScrollWidget"); 6     // m_pScrollWidget->setStyleSheet (QString::fromUtf8 ("border:1px solid red")); 7     m_pScrollWidget->setSizePolicy (QSizePolicy::Preferred, QSizePolicy::Minimum); 8     m_pScrollArea = new QScrollArea (this); 9     m_pScrollArea->setHorizontalScrollBarPolicy (Qt::ScrollBarAlwaysOff);10     m_pScrollArea->setWidget (m_pScrollWidget);11     m_pScrollArea->setWidgetResizable (true);12     QHBoxLayout *hBoxLayout = new QHBoxLayout;13     hBoxLayout->setMargin (0);14     hBoxLayout->addWidget (m_pScrollArea);15     this->setLayout (hBoxLayout);16     m_pScrollWidgetLayout = new QVBoxLayout;17     QVBoxLayout *pMainLayout = new QVBoxLayout;18     // lyy : 2016/9/23 15:43:05 说明:边框19     pMainLayout->setMargin (3);20     pMainLayout->addLayout (m_pScrollWidgetLayout);21     pMainLayout->addStretch();22     m_pScrollWidget->setLayout (pMainLayout);23     m_pScrollTimer = new QTimer (this);24     m_pScrollTimer->setSingleShot (true);25     aFlag = true;26 }

 1 void ChatMessageWidget::addMessageToShow (EventAlarmInfo eai) 2 { 3     if (aFlag) 4     { 5         insertMessage (ChatMessageWidget::Other, QString ("%1*%2").arg (eai.getEventStartTime().toString ("yyyyMMddHHmmss"), eai.getStrEventContnet())); 6         aFlag = false; 7     } 8      9     else10     {11         insertMessage (ChatMessageWidget::MySelf, QString ("%1*%2").arg (eai.getEventStartTime().toString ("yyyyMMddHHmmss"), eai.getStrEventContnet()));12         aFlag = true;13     }14 }15 16 void ChatMessageWidget::insertMessage (enMessageType messageType, QString strMessText)17 {18     switch (messageType)19     {20         case MySelf:21             {22                 dealMySelfMessage (strMessText);23                 break;24             }25             26         case Other:27             {28                 // dealMySelfMessage (strMessText);29                 dealOtherMessage (strMessText);30                 break;31             }32             33         default:34             break;35     }36     37     m_pScrollTimer->start (10);38     connect (m_pScrollTimer, SIGNAL (timeout()), this, SLOT (updateScrollBar()));39     //m_pScrollArea->verticalScrollBar()->setValue(m_pScrollArea->verticalScrollBar()->maximum());40 }41 42 void ChatMessageWidget::updateScrollBar()43 {44     m_pScrollArea->verticalScrollBar()->setValue (m_pScrollArea->verticalScrollBar()->maximum());45 }46 47 void ChatMessageWidget::dealMySelfMessage (QString &str)48 {49     QString strName;50     QString strContent;51     resolveNameAndContent (str, strName, strContent);52     CRightBubbleWidget *pMyBubble = new CRightBubbleWidget (this);53     pMyBubble->setMessage (strName, strContent);54     m_pScrollWidgetLayout->addWidget (pMyBubble);55 }