/// <summary>
/// 发送消息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void sendMsg_Click(object sender, RoutedEventArgs e)
{
onlineFriendType sendTo = (onlineFriendType)onlineFriendlistListBox.SelectedItem;
byte[] arrMsg, sendArrMsg;
Paragraph newParagraph = new Paragraph();
Run run = new Run()
{
Text = "我 " + System.DateTime.Now.ToString() + "\r\n",
Foreground = new SolidColorBrush(Colors.Blue)
};
newParagraph.Inlines.Add(run);
InlineUIContainer inlineUIContainer = new InlineUIContainer()
{
Child = new TextBlock()
{
Foreground = new SolidColorBrush(Colors.Black),
TextWrapping = TextWrapping.Wrap,
Text = " " + inputTextBox.Text + "\r\n"
}
};
newParagraph.Inlines.Add(inlineUIContainer);
if (sendTo.nameAndId.Equals("所有人"))
{
MsgHandler msgHandler = new MsgHandler(userData.userId, userData.userName, "", inputTextBox.Text);
string sendMsg = JsonConvert.SerializeObject(msgHandler);
arrMsg = Encoding.UTF8.GetBytes(sendMsg);
sendArrMsg = new byte[arrMsg.Length + 1];
// 设置标志位，代表更新用户信息
sendArrMsg[0] = MSG_TO_ALL;
Buffer.BlockCopy(arrMsg, 0, sendArrMsg, 1, arrMsg.Length);
dictParagraph["AllUsers"].Add(newParagraph);
chatRichTextBox.Document.Blocks.Add(newParagraph);
}
else
{
MsgHandler msgHandler = new MsgHandler(userData.userId, userData.userName, sendTo.userData.userId, inputTextBox.Text);
string sendMsg = JsonConvert.SerializeObject(msgHandler);
arrMsg = Encoding.UTF8.GetBytes(sendMsg);
sendArrMsg = new byte[arrMsg.Length + 1];
// 设置标志位，代表更新用户信息
sendArrMsg[0] = MSG_TO_INDIVIDULAL;
Buffer.BlockCopy(arrMsg, 0, sendArrMsg, 1, arrMsg.Length);
dictParagraph[sendTo.userData.userId].Add(newParagraph);
chatRichTextBox.Document.Blocks.Add(newParagraph);
}
try
{
socketClient.Send(sendArrMsg);
inputTextBox.Text = "";
}
catch (SocketException se)
{
Console.WriteLine("【错误】发送消息异常：" + se.Message);
return;
}
catch (Exception ex)
{
Console.WriteLine("【错误】发送消息异常：" + ex.Message);
return;
}
}
/// <summary>
/// 接收到群发给所有人的消息
/// </summary>
/// <param name="msgHandler"></param>
private void ReceiveMsgForIndividual(MsgHandler msgHandler)
{
List<Paragraph> userParagraphList = dictParagraph[msgHandler.from];
Paragraph newParagraph = new Paragraph();
Run run = new Run()
{
Text = msgHandler.fromName + " " + System.DateTime.Now.ToString() + "\r\n",
Foreground = new SolidColorBrush(Colors.Red)
};
newParagraph.Inlines.Add(run);
InlineUIContainer inlineUIContainer = new InlineUIContainer()
{
Child = new TextBlock()
{
Foreground = new SolidColorBrush(Colors.Black),
TextWrapping = TextWrapping.Wrap,
Text = " " + msgHandler.message + "\r\n"
}
};
newParagraph.Inlines.Add(inlineUIContainer);
userParagraphList.Add(newParagraph);
onlineFriendType sendTo = (onlineFriendType)onlineFriendlistListBox.SelectedItem;
if (sendTo.nameAndId.Equals("所有人") == false && sendTo.userData.userId.Equals(msgHandler.from))
chatRichTextBox.Document.Blocks.Add(newParagraph);
else
{
int index;
if (FindItemByUserId(msgHandler.from, out index))
{
onlineFriendType user = (onlineFriendType)onlineFriendlistListBox.Items[index];
user.increaseNum();
IntPtr activeForm = GetActiveWindow(); // 先得到当前的活动窗体
Prompt test = new Prompt("来自 " + msgHandler.fromName + "(" + msgHandler.from + ") 的新消息", 0);
cnt = (cnt + 1) % 6;
test.Show();
SetActiveWindow(activeForm); // 在把焦点还给之前的活动窗体
}
}
}