Merge pull request #89 from NekoSilverFox/MengJianing

Add file send function

Author: nekosilverfox

PolyChatApp/chatboxwidget.ui

@@ -64,6 +64,12 @@
              <height>380</height>
             </size>
            </property>
+           <property name="openExternalLinks">
+            <bool>false</bool>
+           </property>
+           <property name="openLinks">
+            <bool>false</bool>
+           </property>
           </widget>
          </item>
          <item>
@@ -87,7 +93,7 @@
             <item>
              <widget class="QComboBox" name="cbxFontSize">
               <property name="currentIndex">
-               <number>3</number>
+               <number>0</number>
               </property>
               <item>
                <property name="text">
@@ -129,6 +135,16 @@
                 <string>22</string>
                </property>
               </item>
+              <item>
+               <property name="text">
+                <string>24</string>
+               </property>
+              </item>
+              <item>
+               <property name="text">
+                <string>28</string>
+               </property>
+              </item>
              </widget>
             </item>
             <item>
@@ -229,6 +245,32 @@
               </property>
              </widget>
             </item>
+            <item>
+             <widget class="QToolButton" name="btnFileSend">
+              <property name="toolTip">
+               <string>Bold</string>
+              </property>
+              <property name="text">
+               <string>B</string>
+              </property>
+              <property name="icon">
+               <iconset resource="resource.qrc">
+                <normaloff>:/icon/icons/send-file.png</normaloff>:/icon/icons/send-file.png</iconset>
+              </property>
+              <property name="iconSize">
+               <size>
+                <width>20</width>
+                <height>20</height>
+               </size>
+              </property>
+              <property name="shortcut">
+               <string>Ctrl+B</string>
+              </property>
+              <property name="checkable">
+               <bool>false</bool>
+              </property>
+             </widget>
+            </item>
             <item>
              <widget class="QToolButton" name="btnSave">
               <property name="toolTip">
@@ -373,7 +415,7 @@
               <property name="minimumSize">
                <size>
                 <width>0</width>
-                <height>30</height>
+                <height>0</height>
                </size>
               </property>
               <property name="font">

PolyChatApp/icons/send-file.png

@@ -15,5 +15,6 @@
         <file>icons/user-info.png</file>
         <file>icons/register-add-friend.png</file>
         <file>icons/logo_fox.png</file>
+        <file>icons/send-file.png</file>
     </qresource>
 </RCC>

PolyChatApp/resource.qrc

@@ -7,6 +7,7 @@ enum SignalType
     ChatExist,      // 存在本聊天窗口 (用于广播)
     ChatDestory,    // 当聊天里最后一位用户退出时销毁
     Msg,            // 普通消息
+    FilePath,
     UserJoin,       // 用户进入聊天
     UserLeft,       // 用户离开
 

PolyChatApp/signaltype.h

@@ -8,6 +8,7 @@
 #include <QMessageBox>
 #include <QColorDialog>
 #include <QFileDialog>
+#include <QDesktopServices>
 
 ChatBoxWidget::ChatBoxWidget(QWidget* parent, QString name, qint16 port)
     : QWidget(parent)
@@ -128,6 +129,16 @@ ChatBoxWidget::ChatBoxWidget(QWidget* parent, QString name, qint16 port)
         textStream << ui->msgTextBrowser->toPlainText();
         file.close();
     });
+
+    /* 发送文件 */
+    connect(ui->btnFileSend, &QToolButton::clicked,
+            this, [=](){
+        this->lastFilePath = QFileDialog::getOpenFileName(this, "Send file", ".");
+        if (lastFilePath.isEmpty()) return;
+        sendUDPSignal(SignalType::FilePath);
+    });
+    connect(ui->msgTextBrowser, &QTextBrowser::anchorClicked,
+            this, &ChatBoxWidget::openURL);
 }
 
 ChatBoxWidget::~ChatBoxWidget()
@@ -194,6 +205,13 @@ void ChatBoxWidget::sendUDPSignal(const SignalType type)
                                               port);
         break;  // END SignalType::Msg
 
+    case SignalType::FilePath:
+        dataStream << this->lastFilePath;
+        udpSocketOnPortChatBox->writeDatagram(resByteArray,
+                                              QHostAddress(QHostAddress::Broadcast),
+                                              port);
+        break;  // END SignalType::FilePath
+
     case SignalType::UserJoin:
         dataStream <<  QString("SignalType::UserJoin");
         udpSocketOnPortChatBox->writeDatagram(resByteArray,
@@ -268,6 +286,13 @@ void ChatBoxWidget::receiveUDPMessage()
         ui->msgTextBrowser->append(msg_7);
         break;
 
+    case SignalType::FilePath:
+        // 追加聊天记录
+        ui->msgTextBrowser->setTextColor(Qt::red);
+        ui->msgTextBrowser->append(">>> [FILE] " + time);
+        ui->msgTextBrowser->append(QString("<p><a href=\"%1\" target=\"_blank\">[Name]: %2    [Size]: %3Kb</a></p>").arg(msg_7).arg(QFileInfo(msg_7).fileName()).arg(QFileInfo(msg_7).size()));
+        break;
+
     case SignalType::UserJoin:
         userJoin(localUserName_4, localUserGroupNumber_5, localIpAddress_6);
         break;
@@ -356,3 +381,10 @@ void ChatBoxWidget::closeEvent(QCloseEvent* event)
 
     QWidget::closeEvent(event);
 }
+
+void ChatBoxWidget::openURL(const QUrl &url)
+{
+    QString strUrl = url.toString();
+    qDebug() << strUrl;
+    QDesktopServices::openUrl(url);
+}

PolyChatApp/uil_chatboxwidget.cpp

@@ -31,10 +31,13 @@ class ChatBoxWidget : public QWidget
 
 private:
     void receiveUDPMessage();          // 接收 UDP 消息
+    void openURL(const QUrl &url);
 
 private:
     Ui::ChatBoxWidget* ui;
 
+    QString lastFilePath;
+
     QUdpSocket* udpSocketOnPortChatList;
     QUdpSocket* udpSocketOnPortChatBox;
     QString name;