/// <summary> /// 绘制列表子项 /// </summary> /// <param name="g">绘图表面</param> /// <param name="subItem">要绘制的子项</param> /// <param name="rectSubItem">该子项的区域</param> /// <param name="sb">画刷</param> protected virtual void DrawSubItem(Graphics g, ChatListSubItem subItem, ref Rectangle rectSubItem, SolidBrush sb) { if (subItem.Equals(selectSubItem)) { //判断改子项是否被选中 rectSubItem.Height = (int)ChatListItemIcon.Large; //如果选中则绘制成大图标 sb.Color = this.subItemSelectColor; g.FillRectangle(sb, rectSubItem); DrawHeadImage(g, subItem, rectSubItem); //绘制头像 DrawLargeSubItem(g, subItem, rectSubItem); //绘制大图标 显示的个人信息 subItem.Bounds = new Rectangle(rectSubItem.Location, rectSubItem.Size); return; } else if (subItem.Equals(m_mouseOnSubItem)) { sb.Color = this.subItemMouseOnColor; } else { sb.Color = this.subItemColor; } g.FillRectangle(sb, rectSubItem); DrawHeadImage(g, subItem, rectSubItem); if (iconSizeMode == ChatListItemIcon.Large) //没有选中则根据 图标模式绘制 { DrawLargeSubItem(g, subItem, rectSubItem); } else { DrawSmallSubItem(g, subItem, rectSubItem); } subItem.Bounds = new Rectangle(rectSubItem.Location, rectSubItem.Size); }
/// <summary> /// 绘制列表子项的头像 /// </summary> /// <param name="g">绘图表面</param> /// <param name="subItem">要绘制头像的子项</param> /// <param name="rectSubItem">该子项的区域</param> protected virtual void DrawHeadImage(Graphics g, ChatListSubItem subItem, Rectangle rectSubItem) { if (subItem.IsTwinkle) { //判断改头像是否闪动 if (subItem.IsTwinkleHide) //同理该值 在线程中 取反赋值 { return; } } int imageHeight = rectSubItem.Height - 10; //根据子项的大小计算头像的区域 subItem.HeadRect = new Rectangle(5, rectSubItem.Top + 5, imageHeight, imageHeight); if (subItem.HeadImage == null) //如果头像位空 用默认资源给定的头像 { subItem.HeadImage = global::CuStomControls.Resources._null; } if (subItem.Status == ChatListSubItem.UserStatus.OffLine) { g.DrawImage(subItem.GetDarkImage(), subItem.HeadRect); } else { g.DrawImage(subItem.HeadImage, subItem.HeadRect); //如果在线根据在想状态绘制小图标 if (subItem.Status == ChatListSubItem.UserStatus.QMe) { g.DrawImage(global::CuStomControls.Resources.QMe1, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11)); } if (subItem.Status == ChatListSubItem.UserStatus.Away) { g.DrawImage(global::CuStomControls.Resources.Away1, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11)); } if (subItem.Status == ChatListSubItem.UserStatus.Busy) { g.DrawImage(global::CuStomControls.Resources.Busy1, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11)); } if (subItem.Status == ChatListSubItem.UserStatus.DontDisturb) { g.DrawImage(global::CuStomControls.Resources.Dont_Disturb, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11)); } } if (subItem.Equals(selectSubItem)) //根据是否选中头像绘制头像的外边框 { g.DrawRectangle(Pens.Cyan, subItem.HeadRect); } else { g.DrawRectangle(Pens.Gray, subItem.HeadRect); } }