/// <summary>
/// 查找输入符
/// </summary>
public void OnFindCaret()
{
//---获取焦点
this.Focus();
this.defaultIsCreateCaret = false;
//---判断选中行是否合法
if (this.defaultRowSelectedNum == -1)
{
return;
}
//---数据选择的列号
int currentColumn = this.CalcXScaleColIndex();
//---判断当前列号是否合法
if (currentColumn == -1)
{
return;
}
//---计算宽度
int fontWidth = this.FontWidth();
//---计算字体的高度
int fontHeight = this.FontHeigth();
//---当前起始位置
Point pointA = this.CalcDataScalePoint();
if (this.defaultMousePos.bLeftPos)
{
pointA.X = pointA.X + currentColumn * (fontWidth + this.defaultRowStaffWidth) + (fontWidth) / 2;
}
if (this.defaultMousePos.bRightPos)
{
pointA.X = pointA.X + currentColumn * (fontWidth + this.defaultRowStaffWidth) + fontWidth;
}
pointA.Y += (this.defaultRowSelectedNum) * (fontHeight + this.defaultColStaffWidth);
//---显示输入符
this.OnCreateCaret();
//---设置输入符的位置
//CWinAPICaret.SetCaretPos(pointA.X, pointA.Y+1);
CWinAPICaret.SetCaretPos((pointA.X - this.defaultCaretXOffset), (pointA.Y + this.defaultCaretYOffset));
//---显示输入符
CWinAPICaret.ShowCaret(this.Handle);
}
/// <summary>
/// 输入符向左移动
/// </summary>
private void OnCaretMove_Left()
{
if (this.defaultMousePos.iPos != -1 && this.defaultMousePos.iArea != -1)
{
this.Focus();
//---表明在Data区
if (this.defaultMousePos.iArea == 1)
{
//---获取字体的宽度及长度
int fontWidth = this.FontWidth();
int fontHeight = this.FontHeigth();
//---查找在第几列
int colPosition = this.CalcXScaleColIndex();
//---获取所在行的启动信息
Point pointA = this.CalcYScaleRowPoint();
//---表示在每行的起始位置
Point pointB = new Point();
if (colPosition == 0)
{
//---表明在第一个字节的右部
if (this.defaultMousePos.bRightPos)
{
pointB.X = pointA.X + this.defaultRowStaffWidth;
pointB.Y = pointA.Y - 2;
this.defaultMousePos.bRightPos = false;
this.defaultMousePos.bLeftPos = true;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
//---表明在第一个字节的左部
if (this.defaultMousePos.bLeftPos)
{
if (this.defaultRowSelectedNum > 0)
{
this.defaultRowSelectedNum -= 1;
pointB.X = pointA.X + defaultRowShowNum * (fontWidth + this.defaultRowStaffWidth) - (fontWidth) / 2;
pointB.Y = pointA.Y - fontHeight - this.defaultColStaffWidth - 2;
this.defaultMousePos.iPos -= 1;
this.defaultMousePos.bRightPos = true;
this.defaultMousePos.bLeftPos = false;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
else if (this.defaultRowSelectedNum == 0 && this.defaultRowNowNum > 0)
{
this.defaultRowSelectedNum = 0;
this.defaultRowNowNum -= 1;
this.defaultVScrollBar.Value = this.defaultRowNowNum;
this.Invalidate();
pointB.X = pointA.X + defaultRowShowNum * (fontWidth + this.defaultRowStaffWidth) - (fontWidth) / 2;
pointB.Y = pointA.Y;
defaultMousePos.iPos -= 1;
this.defaultMousePos.bRightPos = true;
this.defaultMousePos.bLeftPos = false;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
}
}
//---表示不在每行的起始位置
else
{
//---表明在字节的右部
if (this.defaultMousePos.bRightPos)
{
pointB.X = pointA.X + colPosition * (fontWidth + this.defaultRowStaffWidth) + this.defaultRowStaffWidth;
pointB.Y = pointA.Y - 2;
this.defaultMousePos.bRightPos = false;
this.defaultMousePos.bLeftPos = true;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
//---表明在字节的左部
if (this.defaultMousePos.bLeftPos)
{
pointB.X = pointA.X + (colPosition - 1) * (fontWidth + this.defaultRowStaffWidth) + this.defaultRowStaffWidth + fontWidth - (fontWidth) / 2;
pointB.Y = pointA.Y - 2;
this.defaultMousePos.iPos -= 1;
this.defaultMousePos.bRightPos = true;
this.defaultMousePos.bLeftPos = false;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
}
}
}
}
/// <summary>
/// 输入符向右移动
/// </summary>
private void OnCaretMove_Right()
{
if ((this.defaultMousePos.iPos != -1) && (this.defaultMousePos.iArea != -1))
{
//---设置输入点
this.Focus();
//---光标在数据区域
if (this.defaultMousePos.iArea == 1)
{
//---计算字体的宽度
int fonWidth = this.FontWidth();
//---计算字体的高度
int fontHeight = this.FontHeigth();
//---获取当前的列信息
int colPosition = this.CalcXScaleColIndex();
//---获取数据所在行的起始信息---仅仅是起始信息
Point pointA = this.CalcYScaleRowPoint();
//---用于计算光标的二维坐标
Point pointB = new Point();
//---表明在最后一个字节
if (colPosition == (this.defaultRowShowNum - 1))
{
//---表明在字节的右部
if (this.defaultMousePos.bRightPos)
{
//---计算控件最大可显示的行数
int iMaxDataRow = this.defaultMaxRow; //this.CalcYScaleMaxRow();
//---计算实际的行数
int iDataRow = this.defaultTotalRow; // this.CalcYScaleTotalRow();
//---判断选择数据所在的行号-----从1开始
if (this.defaultRowSelectedNum < (iMaxDataRow - 1))
{
this.defaultRowSelectedNum++;
//---为了避免光标在最后一个位置,依然能够移动位置
if (this.defaultRowSelectedNum != iDataRow)
{
pointB.X = pointA.X + this.defaultRowStaffWidth;
pointB.Y = pointA.Y + fontHeight + this.defaultColStaffWidth - 2;
this.defaultMousePos.iPos += 1;
//---设置光标的位置;同时置位光标的位置标志
this.defaultMousePos.bRightPos = false;
this.defaultMousePos.bLeftPos = true;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
}
else
{
//---保持光标位置不变，选择的列号页不变
this.defaultRowSelectedNum -= 1;
//---最后一行数据的最后一个数据---位置信息保留
this.defaultMousePos.bRightPos = true;
this.defaultMousePos.bLeftPos = false;
}
//---重新绘制窗体
this.Invalidate();
return;
}
else if ((this.defaultRowSelectedNum == (iMaxDataRow - 1) && (iDataRow - this.defaultRowNowNum - iMaxDataRow) > 0))
{
this.defaultRowNowNum += 1;
this.defaultVScrollBar.Value = this.defaultRowNowNum;
this.Invalidate();
pointB.X = pointA.X + this.defaultRowStaffWidth;
pointB.Y = pointA.Y - 2;
this.defaultMousePos.iPos += 1;
this.defaultMousePos.bRightPos = false;
this.defaultMousePos.bLeftPos = true;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
return;
}
//---如果本窗体的最后一行且是最后一个数据，则如下处理
else if ((this.defaultRowSelectedNum == (iMaxDataRow - 1) && (iDataRow - this.defaultRowNowNum - iMaxDataRow) == 0))
{
//SetCaretPos( pt.X, pt.Y );
this.Invalidate();
return;
}
}
//---表明在字节的左部
if (this.defaultMousePos.bLeftPos)
{
//---用于显示光标位置
pointB.X = pointA.X + colPosition * (fonWidth + this.defaultRowStaffWidth) + this.defaultRowStaffWidth + (fonWidth) / 2;
pointB.Y = pointA.Y - 2;
this.defaultMousePos.bRightPos = true;
this.defaultMousePos.bLeftPos = false;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
}
else
{
//---表明在字节的右部
if (this.defaultMousePos.bRightPos)
{
//---判定是否在最后一个字节
if ((this.defaultMousePos.iPos + 1) >= (this.mNowData.Length))
{
return;
}
pointB.X = pointA.X + (colPosition + 1) * (fonWidth + this.defaultRowStaffWidth) + this.defaultRowStaffWidth;
pointB.Y = pointA.Y - 2;
this.defaultMousePos.iPos += 1;
this.defaultMousePos.bRightPos = false;
this.defaultMousePos.bLeftPos = true;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
//---表明在字节的左部
if (this.defaultMousePos.bLeftPos)
{
pointB.X = pointA.X + colPosition * (fonWidth + this.defaultRowStaffWidth) + this.defaultRowStaffWidth + (fonWidth) / 2;
pointB.Y = pointA.Y - 2;
this.defaultMousePos.bRightPos = true;
this.defaultMousePos.bLeftPos = false;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
}
}
}
}
/// <summary>
/// 鼠标按下的处理-----用于获取光标的位置------显示光标的信息
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown(MouseEventArgs e)
{
if ((this.defaultNowData == null) || (this.defaultNowData.Length == 0))
{
return;
}
else
{
if (e.Button == MouseButtons.Left)
{
//---获取焦点
this.Focus();
//---记录鼠标的坐标
Point mousePoint = new Point(e.X, e.Y);
//---获取地址栏的起始位置
Point pointA = this.CalcYScalePoint();
//---计算字体的宽度
int fontWidth = this.FontWidth();
//---计算字体的高度
int fontHeight = this.FontHeigth();
//---计算当前控件能够显示的最大行数
int iMaxRowCount = this.defaultMaxRow; //this.CalcYScaleMaxRow();
//---计算数据需要显示的行数
int iTotalRowCount = this.defaultTotalRow; // this.CalcYScaleTotalRow();
//---判断鼠标左键是否是右侧的空白位置
if ((mousePoint.X < this.defaultDataStartHeight) || (mousePoint.X > (this.defaultDataStartWidth - 10)))
{
return;
}
//---判定是否在当前行中
Rectangle nowRectangle = new Rectangle();
Region nowRegion;
//---高度
int iHeight = pointA.Y;
#region 标位于地址区域 -----获取当前选中的行号
for (int ix = this.defaultRowNowNum; ix < this.defaultRowNowNum + iMaxRowCount; ix++)
{
if (iTotalRowCount <= ix)
{
//---表明没有选中行
this.defaultRowSelectedNum = -1;
break;
}
else
{
//---计算矩形区域的尺寸
nowRectangle.X = pointA.X;
nowRectangle.Y = iHeight;
nowRectangle.Width = this.Width - this.defaultExternalLineWidth;
nowRectangle.Height = fontHeight + this.defaultColStaffWidth;
//---指示由矩形和由路径构成的图形形状的内部
nowRegion = new Region(nowRectangle);
//---判断是否找到光标的位置
if (nowRegion.IsVisible(mousePoint))
{
//---表明选中了某一行
this.defaultRowSelectedNum = ix - this.defaultRowNowNum;
//---重新绘制控件
this.Invalidate();
break;
}
iHeight += fontHeight + this.defaultColStaffWidth;
}
}
//---判断是否是本行被选中
if (this.defaultRowSelectedNum == -1)
{
//---没有选中行
return;
}
#endregion
#region 标位于数据区域-----用于创建光标
Point poinaB;
int dataOffset = 0;
if (this.defaultYScaleShow)
{
dataOffset = this.defaultExternalLineWidth / 2 + this.defaultYScaleWidth;
}
else
{
dataOffset = this.defaultExternalLineWidth / 2;
}
poinaB = new Point(dataOffset, pointA.Y);
//---计算位置
nowRectangle.X = poinaB.X;
nowRectangle.Y = poinaB.Y + this.defaultRowSelectedNum * (fontHeight + this.defaultColStaffWidth);
nowRectangle.Width = this.defaultRowShowNum * (this.defaultRowStaffWidth + fontWidth);
nowRectangle.Height = fontHeight + this.defaultColStaffWidth;
//---断鼠标左键是否是左侧的空白位置
if (mousePoint.X < this.defaultDataEndWidth)
{
//---创建光标
this.OnCreateCaret();
//---设置光标
CWinAPICaret.SetCaretPos((this.defaultDataEndWidth + 8), (nowRectangle.Y + this.defaultCaretYOffset / 2));
//---显示光标
CWinAPICaret.ShowCaret(this.Handle);
this.defaultIsHideCaret = false;
this.defaultMousePos.iPos = (this.defaultRowNowNum + this.defaultRowSelectedNum) * this.defaultRowShowNum + 0;
this.defaultMousePos.iArea = 1;
this.defaultMousePos.bLeftPos = true;
this.defaultMousePos.bRightPos = false;
return;
}
nowRegion = new Region(nowRectangle);
//鼠标在指定的区域内
if (nowRegion.IsVisible(mousePoint))
{
//---创建光标
this.OnCreateCaret();
int iDataOffset = nowRectangle.X + this.defaultRowStaffWidth;
int iDataHeight = nowRectangle.Y;
//---遍历查找光标的位置
for (int iy = 0; iy < this.defaultRowShowNum; iy++)
{
nowRectangle.X = iDataOffset;
nowRectangle.Y = iDataHeight;
nowRectangle.Width = fontWidth / 2;
nowRectangle.Height = fontHeight + this.defaultColStaffWidth;
nowRegion = new Region(nowRectangle);
//---数据的左边
if (nowRegion.IsVisible(mousePoint))
{
//---设置光标
CWinAPICaret.SetCaretPos((nowRectangle.X - this.defaultCaretXOffset), (nowRectangle.Y + this.defaultCaretYOffset / 2));
//---显示光标
CWinAPICaret.ShowCaret(this.Handle);
this.defaultIsHideCaret = false;
this.defaultMousePos.iPos = (this.defaultRowNowNum + this.defaultRowSelectedNum) * this.defaultRowShowNum + iy;
this.defaultMousePos.iArea = 1;
this.defaultMousePos.bLeftPos = true;
this.defaultMousePos.bRightPos = false;
break;
}
nowRectangle.X += (fontWidth + 1) / 2;
nowRectangle.Width = (fontWidth + 3) / 2 + this.defaultRowStaffWidth;
nowRegion = new Region(nowRectangle);
//---数据的右边
if (nowRegion.IsVisible(mousePoint))
{
//---设置光标
CWinAPICaret.SetCaretPos((nowRectangle.X - this.defaultCaretXOffset), (nowRectangle.Y + this.defaultCaretYOffset / 2));
//---显示光标
CWinAPICaret.ShowCaret(this.Handle);
this.defaultIsHideCaret = false;
this.defaultMousePos.iPos = (this.defaultRowNowNum + this.defaultRowSelectedNum) * this.defaultRowShowNum + iy;
this.defaultMousePos.iArea = 1;
this.defaultMousePos.bLeftPos = false;
this.defaultMousePos.bRightPos = true;
break;
}
iDataOffset += fontWidth + this.defaultRowStaffWidth;
}
//---如果点击区域超过最大值，则不显示
if (this.defaultMousePos.iPos != -1 && this.defaultMousePos.iPos >= this.defaultNowData.Length)
{
this.OnHideCaret();
}
//---添加---注销
nowRegion.Dispose();
}
else
{
this.OnHideCaret();
}
#endregion
}
}
//处理基类鼠标按下的事件
//base.OnMouseDown( e );
}
/// <summary>
/// 输入符向下移动
/// </summary>
private void OnCaretMove_Down()
{
if (defaultMousePos.iPos != -1 && defaultMousePos.iArea != -1)
{
//---获取焦点
//this.Focus();
//----表明在Data区
if (defaultMousePos.iArea == 1)
{
//---获取字体的宽度及长度
int iFontWidth = this.FontWidth();
int iFontHeight = this.FontHeigth();
//---查找在第几列
int iColumn = this.CalcXScaleColIndex();
//---获取所在行的启动信息
Point pointA = this.CalcYScaleRowPoint();
//---计算最大显示行数
int iMaxDataRow = this.defaultMaxRow; //this.CalcYScaleMaxRow();
//---计算实际数据可显示的行数
int iTotalDataRow = this.defaultTotalRow; // this.CalcYScaleTotalRow();
//---进行判定
Point pointB = new Point();
if ((this.defaultMousePos.iPos + defaultRowShowNum) < (this.mNowData.Length))
{
if (defaultRowSelectedNum < iMaxDataRow - 1)
{
defaultRowSelectedNum += 1;
//---表明在第一个字节的右部
if (defaultMousePos.bRightPos)
{
pointB.X = pointA.X + iColumn * (iFontWidth + defaultRowStaffWidth) + defaultRowStaffWidth + (iFontWidth) / 2;
pointB.Y = pointA.Y + iFontHeight + defaultColStaffWidth - 2;
defaultMousePos.iPos += defaultRowShowNum;
defaultMousePos.bRightPos = true;
defaultMousePos.bLeftPos = false;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
//---表明在第一个字节的左部
if (defaultMousePos.bLeftPos)
{
pointB.X = pointA.X + iColumn * (iFontWidth + defaultRowStaffWidth) + defaultRowStaffWidth;
pointB.Y = pointA.Y + iFontHeight + defaultColStaffWidth - 2;
defaultMousePos.iPos += defaultRowShowNum;
defaultMousePos.bRightPos = false;
defaultMousePos.bLeftPos = true;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.Invalidate();
return;
}
}
else
{
defaultRowNowNum += 1;
//---表明在第一个字节的右部
if (defaultMousePos.bRightPos)
{
pointB.X = pointA.X + iColumn * (iFontWidth + defaultRowStaffWidth) + defaultRowStaffWidth + (iFontWidth) / 2;
pointB.Y = pointA.Y;
defaultMousePos.iPos += defaultRowShowNum;
defaultMousePos.bRightPos = true;
defaultMousePos.bLeftPos = false;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.defaultVScrollBar.Value = defaultRowNowNum;
this.Invalidate();
return;
}
//---表明在第一个字节的左部
if (defaultMousePos.bLeftPos)
{
pointB.X = pointA.X + iColumn * (iFontWidth + defaultRowStaffWidth) + defaultRowStaffWidth;
pointB.Y = pointA.Y;
defaultMousePos.iPos += defaultRowShowNum;
defaultMousePos.bRightPos = false;
defaultMousePos.bLeftPos = true;
CWinAPICaret.SetCaretPos((pointB.X - this.defaultCaretXOffset), (pointB.Y + this.defaultCaretYOffset));
this.defaultVScrollBar.Value = defaultRowNowNum;
this.Invalidate();
return;
}
}
}
}
}
}