protected override void OnDrawItem(UI.DrawItemEventArgs args)
{
args.DrawBackground();
UserListItem userListItem = args.Item as UserListItem;
Graphics g = args.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
Rectangle rect = userListItem.Bounds;
//头像
int x = rect.X + MARGIN;
int y = rect.Y + (rect.Height - ICON_WIDTH) / 2;
g.DrawImage(ProfilePhotoPool.GetPhoto(userListItem.User.ID), x, y, ICON_WIDTH, ICON_WIDTH);
//在线状态
Brush brush = new SolidBrush(Color.Gray);
if (userListItem.User.Status == UserStatus.Online)
{
brush = new SolidBrush(Color.Green);
}
else if (userListItem.User.Status == UserStatus.Offline)
{
brush = new SolidBrush(Color.Gray);
}
else if (userListItem.User.Status == UserStatus.Busy)
{
brush = new SolidBrush(Color.Crimson);
}
g.FillEllipse(brush, x + ICON_WIDTH - 8, y + ICON_WIDTH - 8, 10, 10);
g.DrawEllipse(new Pen(Color.White, 1.0f), x + ICON_WIDTH - 8, y + ICON_WIDTH - 8, 11, 11);
//昵称
x += ICON_WIDTH + MARGIN;
Rectangle commandRect = new Rectangle(new Point(x, y), new Size(rect.Width - ICON_WIDTH - 3 * MARGIN, rect.Height - MARGIN));
TextRenderer.DrawText(g, userListItem.User.NickName,
args.Font, commandRect, Color.FromArgb(0, 0, 0), TextFormatFlags.Left | TextFormatFlags.Top);
//IP
string ip = "";
if (userListItem.User.IP != null)
{
ip = userListItem.User.IP.ToString();
}
TextRenderer.DrawText(g, ip,
args.Font, commandRect, Color.FromArgb(150, 150, 150), TextFormatFlags.Right | TextFormatFlags.Top);
if (userListItem.UnreadMessageCount != 0)
{
TextRenderer.DrawText(g, userListItem.UnreadMessageCount.ToString(),
args.Font, rect, Color.Red, TextFormatFlags.Right | TextFormatFlags.Bottom);
}
}
protected override void OnDrawItem(UI.DrawItemEventArgs args)
{
MessageListItem item = args.Item as MessageListItem;
Message m = item.Message;
args.DrawBackground();
Graphics g = args.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
Rectangle rect = item.Bounds;
Rectangle drawingObjRect;
Point pos = PointToClient(MousePosition);
foreach (DrawingObject dobj in item.DrawingObjects)
{
drawingObjRect = dobj.Offset(rect.X, rect.Y);
switch (dobj.Type)
{
//头像
case DrawingObjectType.ProfilePhoto:
{
g.DrawImage(ProfilePhotoPool.GetPhoto(item.User.ID), drawingObjRect);
if (drawingObjRect.Contains(pos))
{
g.DrawRectangle(IMAGE_BORDER_PEN_FOCUS, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
break;
}
//时间, 昵称，状态
case DrawingObjectType.Title:
{
string text = item.User.NickName + " " + m.Time.ToString("yyyy/MM/dd HH:mm:ss");
if (!m.Flag)
{
text += " 传送失败";
}
TextRenderer.DrawText(g, text,
args.Font, new Point((int)drawingObjRect.X, (int)drawingObjRect.Y)
, m.Flag ? SUCCESS_TITLE_COLOR : ERROR_TITLE_COLOR, TextFormatFlags.Left);
break;
}
//文本消息
case DrawingObjectType.TextBlock:
{
TextBlockObj tb = dobj.Tag as TextBlockObj;
StringPart sp = tb.StringPart;
int selStart = Math.Min(tb.SelectionStart, tb.SelectionEnd);
int selEnd = Math.Max(tb.SelectionStart, tb.SelectionEnd);
string str1 = selStart == -1 ? sp.String : sp.String.Substring(0, selStart);
string str2 = selStart == -1 ? "" : sp.String.Substring(selStart, tb.SelectionLength);
string str3 = selEnd == -1 ? "" : sp.String.Substring(selEnd + 1);
//选择前的文本
if (!string.IsNullOrEmpty(str1))
{
TextRenderer.DrawText(g, str1, sp.Font, new Point((int)drawingObjRect.X, (int)drawingObjRect.Y), args.ForeColor,
StringMeasurer.TextFormatFlags);
}
//选择中文本
if (!string.IsNullOrEmpty(str2))
{
int w1 = StringMeasurer.Width(g, sp.Font, str1, sp.TextFormatFlags);
int w2 = StringMeasurer.Width(g, sp.Font, str2, sp.TextFormatFlags);
drawingObjRect.X += w1;
drawingObjRect.Width = w2;
g.FillRectangle(BrushPool.GetBrush(TEXT_SELECTION_BACK_COLOR), drawingObjRect);
TextRenderer.DrawText(g, str2, sp.Font, new Point((int)drawingObjRect.X, (int)drawingObjRect.Y),
TEXT_SELECTION_FORE_COLOR, StringMeasurer.TextFormatFlags);
//选择后的文本
if (!string.IsNullOrEmpty(str3))
{
drawingObjRect.X += w2;
drawingObjRect.Width = dobj.Width - w1 - w2;
TextRenderer.DrawText(g, str3, sp.Font, new Point((int)drawingObjRect.X, (int)drawingObjRect.Y), args.ForeColor,
StringMeasurer.TextFormatFlags);
}
}
break;
}
case DrawingObjectType.Image:
{
Image image = (m as ImageMessage).Image;
g.DrawImage(image, drawingObjRect);
if (drawingObjRect.Contains(pos))
{
g.DrawRectangle(IMAGE_BORDER_PEN_FOCUS, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
else
{
g.DrawRectangle(IMAGE_BORDER_PEN, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
break;
}
case DrawingObjectType.File:
{
FileMessage fm = m as FileMessage;
//底背景
g.FillRectangle(Brushes.White, drawingObjRect);
if (drawingObjRect.Contains(pos))
{
g.DrawRectangle(IMAGE_BORDER_PEN_FOCUS, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
else
{
g.DrawRectangle(IMAGE_BORDER_PEN, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
//文件名，文件大小，ICON
Image image = FileIconPool.GetIcon(fm.OriginFilePath);
int imageWidth = 64;
int imageHeight = 64 * image.Height / image.Width;
Rectangle imageRect = new Rectangle(drawingObjRect.X + FILE_SEND_WIDTH - imageWidth - MARGIN, drawingObjRect.Y + MARGIN, imageWidth, FILE_SEND_HEIGHT - Font.Height - MARGIN * 3);
Rectangle fileNameRect = new Rectangle(drawingObjRect.X + MARGIN, drawingObjRect.Y + MARGIN, FILE_SEND_WIDTH - imageWidth - MARGIN * 3, FILE_SEND_HEIGHT - Font.Height - MARGIN * 3);
Rectangle fontRect = new Rectangle(drawingObjRect.X + MARGIN, drawingObjRect.Y + FILE_SEND_HEIGHT - Font.Height - MARGIN, FILE_SEND_WIDTH - MARGIN * 2, Font.Height);
Rectangle pieRect = new Rectangle(drawingObjRect.X + (FILE_SEND_WIDTH - PROGRESS_PIE_D) / 2, drawingObjRect.Y + (FILE_SEND_HEIGHT - PROGRESS_PIE_D) / 2, PROGRESS_PIE_D, PROGRESS_PIE_D);
Rectangle processRect = new Rectangle(drawingObjRect.X, drawingObjRect.Y + (FILE_SEND_HEIGHT - Font.Height * 2) / 2, FILE_SEND_WIDTH, Font.Height * 2);
//当文件名超过显示部分时，中间用省略号表示
string str = fm.FileName;
SizeF s = g.MeasureString(fm.FileName, Font, new System.Drawing.SizeF((float)fileNameRect.Width, (float)fileNameRect.Height), StringFormat.GenericDefault, out int count, out int lines);
if (s.Height >= fileNameRect.Height & str.Length >= count)
{
//由于会出现半行的情况，直接写死了所取的字符串数目
str = str.Substring(0, 36) + "・・・" + str.Substring(str.Length - 4);
}
g.DrawImage(image, imageRect.X, imageRect.Y, imageWidth, imageHeight);
g.DrawString(str, args.Font, Brushes.Black, fileNameRect);
TextRenderer.DrawText(g, LanFile.HumanReadbleLen(fm.FileLength), args.Font, fontRect, Color.FromArgb(0, 0, 0), TextFormatFlags.Left);
if (item.State == MessageState.Receiving ||
item.State == MessageState.Sending)
{
//接受进度
g.FillRectangle(MESSAGELIST_PROGRESS_BACKGROUND_BRUSH, drawingObjRect);
g.DrawPie(PROGRESS_PEN, pieRect, 0, 360);
g.FillPie(MESSAGELIST_PROGRESS_FILLED_BRUSH, pieRect, 0, 360 * item.Progress / 100);
//TODO 显示剩余时间，传输速度
TextRenderer.DrawText(g, item.Progress + "%" + "\r\n" + LanFile.HumanReadbleLen(item.FileTransportedLength) + "/" + LanFile.HumanReadbleLen(fm.FileLength),
args.Font, processRect, Color.FromArgb(0, 0, 0), TextFormatFlags.HorizontalCenter);
}
break;
}
}
}
}
