从CStatic类派生自己的切分窗口类

来源：互联网发布：windows 文件对比工具编辑：程序博客网时间：2024/06/05 01:07

//Splitter.h//小G, 2009.12#pragma once// CSplitterclass CSplitter : public CStatic{DECLARE_DYNAMIC(CSplitter)public:CSplitter();virtual ~CSplitter();protected:DECLARE_MESSAGE_MAP()public:virtual void DrawItem(LPDRAWITEMSTRUCT /*lpDrawItemStruct*/);public:void OnInvertTracker(const CRect& rect);public:int m_nSplitterWidth;//分割行数及列数，行宽及列宽int m_nRows;int m_nColumns;int m_nCx[2];int m_nCy[2];HWND *m_hCtrlWnd;//最小行高及最小列宽int m_nMinCx;int m_nMinCy;//鼠标位置指示器int m_nCurX;int m_nCurY;//拖动虚框BOOL m_bTracking;CRect m_rcHTrack;CRect m_rcVTrack;//bool m_bOver;bool m_bHasBtn;//public:void HiteTest(CPoint& point);public:afx_msg void OnMouseMove(UINT nFlags, CPoint point);public:afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);public:afx_msg void OnLButtonDown(UINT nFlags, CPoint point);public:afx_msg void OnLButtonUp(UINT nFlags, CPoint point);//public://afx_msg void OnTimer(UINT_PTR nIDEvent);public:BOOL CreateSplitter(int nRows, int nColumns, CRect& rect, CWnd *pParentWnd, CSize szLimit = CSize(0, 0));public:void SetPaneInfo(int nRow, int nColumn, CSize sz, CWnd *pWnd = NULL);public:CWnd* GetPane(int nRow, int nColumn);void GetPanesize(int nRow, int nColumn, CRect &rect);private:void CSplitter::ReCalcSize(CRect &rcClient);public:void OnDraw();};

// Splitter.cpp : 实现文件//小G, 2009.12#include "stdafx.h"#include "SplitterWnd.h"#include "Splitter.h"// CSplitterIMPLEMENT_DYNAMIC(CSplitter, CStatic)CSplitter::CSplitter(){m_nSplitterWidth = 7;m_nRows = 1;m_nColumns = 1;m_nCx[0] = 0;m_nCy[0] = 0;m_nCx[1] = 0;m_nCy[1] = 0;m_nMinCx = 0;m_nMinCy = 0;m_hCtrlWnd = NULL;m_nCurX = -1;m_nCurY = -1;m_bOver = false;m_bHasBtn = true;m_bTracking = false;}CSplitter::~CSplitter(){for(int i = 0;i < m_nRows*m_nColumns;i ++){if(m_hCtrlWnd[i] != NULL)::SendMessage(m_hCtrlWnd[i], WM_DESTROY, 0, 0);}}BEGIN_MESSAGE_MAP(CSplitter, CStatic)ON_WM_MOUSEMOVE()ON_WM_SETCURSOR()ON_WM_LBUTTONDOWN()ON_WM_LBUTTONUP()//ON_WM_TIMER()END_MESSAGE_MAP()// CSplitter 消息处理程序void CSplitter::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct){// TODO: 添加您的代码以绘制指定项OnDraw();//移动子窗口CRect rc = lpDrawItemStruct->rcItem;ReCalcSize(rc);for(int i = 0;i < m_nRows;i ++){for(int j = 0;j < m_nColumns;j ++){if(m_hCtrlWnd[i*m_nColumns+j] != NULL){GetPanesize(i, j, rc);::MoveWindow(m_hCtrlWnd[i*m_nColumns+j], rc.left, rc.top, rc.Width(), rc.Height(), 1);}}}}void CSplitter::OnInvertTracker(const CRect& rect){ASSERT_VALID(this);ASSERT(!rect.IsRectEmpty());//ASSERT((GetStyle() & WS_CLIPCHILDREN) == 0);// pat-blt without clip children onCDC* pDC = GetDC();// invert the brush pattern (looks just like frame window sizing)CBrush* pBrush = CDC::GetHalftoneBrush();HBRUSH hOldBrush = NULL;if (pBrush != NULL)hOldBrush = (HBRUSH)SelectObject(pDC->m_hDC, pBrush->m_hObject);pDC->PatBlt(rect.left, rect.top, rect.Width(), rect.Height(), PATINVERT);if (hOldBrush != NULL)SelectObject(pDC->m_hDC, hOldBrush);ReleaseDC(pDC);}void CSplitter::HiteTest(CPoint& point){CRect rc;this->GetClientRect(&rc);int nXpos = 0;int nYpos = 0;//交叉块for(int i = 0;i < m_nRows - 1;i ++){nYpos += m_nCy[i];//pDC->Rectangle(0, nTemp, rc.Width(), nTemp+m_nSplitterWidth);for(int j = 0;j < m_nColumns - 1;j ++){nXpos += m_nCx[j];//pDC->Rectangle(nXpos, nYpos, nXpos+m_nSplitterWidth, nYpos+m_nSplitterWidth);if(point.x>nXpos && point.x<nXpos+m_nSplitterWidth && point.y>nYpos && point.y<nYpos+m_nSplitterWidth){::SetCursor(AfxGetApp()->LoadCursor(IDC_CURSOR1));m_nCurX = i;m_nCurY = j;return;}nXpos += m_nSplitterWidth;}nYpos += m_nSplitterWidth;nXpos = 0;}//竖条nXpos = 0;for(int i = 0;i < m_nColumns - 1;i ++){nXpos += m_nCx[i];//pDC->Rectangle(nXpos, 0, nXpos+m_nSplitterWidth, rc.Height());if(point.x>nXpos && point.x<nXpos+m_nSplitterWidth){if(m_bHasBtn){if(point.y > rc.Height()/2-25 && point.y < rc.Height()/2+25){::SetCursor(::LoadCursor(NULL, IDC_ARROW));m_nCurX = -1;m_nCurY = -2;if(!m_bOver){m_bOver = true;OnDraw();}return;}else{if(m_bOver){m_bOver = false;OnDraw();}//return;}}::SetCursor(AfxGetApp()->LoadCursor(IDC_CURSOR2));m_nCurX = -1;m_nCurY = i;return;}nXpos += m_nSplitterWidth;}//横条nYpos = 0;for(int i = 0;i < m_nRows - 1;i ++){nYpos += m_nCy[i];//pDC->Rectangle(0, nYpos, rc.Width(), nYpos+m_nSplitterWidth);if(point.y>nYpos && point.y<nYpos+m_nSplitterWidth){if(m_bHasBtn){if(point.x > rc.Width()/2-25 && point.x < rc.Width()/2+25){::SetCursor(::LoadCursor(NULL, IDC_ARROW));m_nCurX = -2;m_nCurY = -1;if(!m_bOver){m_bOver = true;OnDraw();}return;}else{if(m_bOver){m_bOver = false;OnDraw();}//return;}}::SetCursor(AfxGetApp()->LoadCursor(IDC_CURSOR3));m_nCurX = i;m_nCurY = -1;return;}nYpos += m_nSplitterWidth;}::SetCursor(::LoadCursor(NULL, IDC_ARROW));m_nCurX = -1;m_nCurY = -1;}void CSplitter::OnMouseMove(UINT nFlags, CPoint point){// TODO: 在此添加消息处理程序代码和/或调用默认值if(nFlags & MK_LBUTTON){if(m_bTracking){CRect rc;this->GetClientRect(&rc);if(m_nCurX != -1){OnInvertTracker(m_rcHTrack);//横条移动范围限制if(point.y > m_nMinCy+m_nSplitterWidth/2-2 && point.y < rc.Height()-m_nMinCy-m_nSplitterWidth/2-2)m_rcHTrack.MoveToY(point.y-2);else if(point.y <= m_nMinCy+m_nSplitterWidth/2-2)m_rcHTrack.MoveToY(m_nMinCy+m_nSplitterWidth/2-2);elsem_rcHTrack.MoveToY(rc.Height()-m_nMinCy-m_nSplitterWidth/2-2);OnInvertTracker(m_rcHTrack);}if(m_nCurY != -1){OnInvertTracker(m_rcVTrack);//竖条移动范围限制if(point.x > m_nMinCx+m_nSplitterWidth/2-2 && point.x < rc.Width()-m_nMinCx-m_nSplitterWidth/2-2)m_rcVTrack.MoveToX(point.x-2);else if(point.x <= m_nMinCx+m_nSplitterWidth/2-2)m_rcVTrack.MoveToX(m_nMinCx+m_nSplitterWidth/2-2);elsem_rcVTrack.MoveToX(rc.Width()-m_nMinCx-m_nSplitterWidth/2-2);OnInvertTracker(m_rcVTrack);}}}elseHiteTest(point);CStatic::OnMouseMove(nFlags, point);}BOOL CSplitter::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message){// TODO: 在此添加消息处理程序代码和/或调用默认值if(pWnd == this){if(m_bOver || m_nCurX != -1 || m_nCurY != -1)return true;}if(m_bHasBtn && m_bOver){m_bOver = false;OnDraw();}return CStatic::OnSetCursor(pWnd, nHitTest, message);}void CSplitter::OnLButtonDown(UINT nFlags, CPoint point){// TODO: 在此添加消息处理程序代码和/或调用默认值static int nOrginal = 0;HiteTest(point);if(m_bOver){if(m_nCurX == -2){m_nCurX = -1;//MessageBox(L"Clicked H.");CRect rc;this->GetClientRect(&rc);if(m_nCy[0] == rc.Height()-m_nSplitterWidth-20)m_nCy[0] = nOrginal;else{nOrginal = m_nCy[0];m_nCy[0] = rc.Height()-m_nSplitterWidth-20;}}if(m_nCurY == -2){m_nCurY = -1;//MessageBox(L"Clicked V.");if(m_nCx[0] == 0)m_nCx[0] = nOrginal;else{nOrginal = m_nCx[0];m_nCx[0] = 0;}}this->Invalidate();this->UpdateWindow();}if(m_nCurX != -1 || m_nCurY != -1){CRect rc;this->GetClientRect(&rc);int nPos = -m_nSplitterWidth;if(m_nCurX != -1){m_rcHTrack.SetRect(0, point.y-2, rc.Width(), point.y+2);OnInvertTracker(m_rcHTrack);}nPos = -m_nSplitterWidth;if(m_nCurY != -1){m_rcVTrack.SetRect(point.x-2, 0, point.x+2, rc.Height());OnInvertTracker(m_rcVTrack);}m_bTracking = true;//SetTimer(110, 10, NULL);//让当前窗口捕获鼠标消息SetCapture();}CStatic::OnLButtonDown(nFlags, point);}void CSplitter::OnLButtonUp(UINT nFlags, CPoint point){// TODO: 在此添加消息处理程序代码和/或调用默认值if(m_bTracking){m_bTracking = false;//KillTimer(110);//停止捕获鼠标消息ReleaseCapture();if(m_nCurX != -1){OnInvertTracker(m_rcHTrack);for(int i = 0;i < m_nCurX;i ++)m_rcHTrack.top -= m_nCy[i]+m_nSplitterWidth;m_nCy[m_nCurX] = m_rcHTrack.top - m_nSplitterWidth/2 + 2;}if(m_nCurY != -1){OnInvertTracker(m_rcVTrack);for(int i = 0;i < m_nCurY;i ++)m_rcVTrack.left -= m_nCx[i]+m_nSplitterWidth;m_nCx[m_nCurY] = m_rcVTrack.left - m_nSplitterWidth/2 + 2;}HiteTest(point);this->Invalidate();this->UpdateData();}CStatic::OnLButtonUp(nFlags, point);}//void CSplitter::OnTimer(UINT_PTR nIDEvent)//{//// TODO: 在此添加消息处理程序代码和/或调用默认值////控制鼠标位置==================================//CRect rc;//this->GetClientRect(&rc);////CPoint ptWnd, ptCursor;//ptWnd.SetPoint(0, 0);//ClientToScreen(&ptWnd);//::GetCursorPos(&ptCursor);//if(ptCursor.x < ptWnd.x + m_nMinCx+m_nSplitterWidth/2+4)//::SetCursorPos(ptWnd.x + m_nMinCx+m_nSplitterWidth/2+4, ptCursor.y);//if(ptCursor.x > ptWnd.x + rc.Width() - 2)//::SetCursorPos(ptWnd.x + rc.Width() - 2, ptCursor.y);//if(ptCursor.y < ptWnd.y + m_nMinCy+m_nSplitterWidth/2+4)//::SetCursorPos(ptCursor.x, ptWnd.y + m_nMinCy+m_nSplitterWidth/2+4);//if(ptCursor.y > ptWnd.y + rc.Height() - 2)//::SetCursorPos(ptCursor.x, ptWnd.y + rc.Height() - 2);////==============================================////CStatic::OnTimer(nIDEvent);//}BOOL CSplitter::CreateSplitter(int nRows, int nColumns, CRect& rect, CWnd *pParentWnd, CSize szLimit){ASSERT(pParentWnd != NULL);m_nRows = nRows;m_nColumns = nColumns;m_nMinCx = szLimit.cx;m_nMinCy = szLimit.cy;m_hCtrlWnd = new HWND[m_nRows*m_nColumns];memset((void*)m_hCtrlWnd, 0, sizeof(HWND)*m_nRows*m_nColumns);return this->Create(NULL, SS_NOTIFY|SS_OWNERDRAW|WS_VISIBLE|WS_CHILD, rect, pParentWnd);}void CSplitter::SetPaneInfo(int nRow, int nColumn, CSize sz, CWnd *pWnd){m_nCx[nColumn] = sz.cx;m_nCy[nRow] = sz.cy;if(pWnd != NULL){pWnd->SetParent(this);m_hCtrlWnd[nRow*m_nColumns+nColumn] = pWnd->m_hWnd;}}CWnd* CSplitter::GetPane(int nRow, int nColumn){return CWnd::FromHandle(m_hCtrlWnd[nRow*m_nColumns+nColumn]);}void CSplitter::GetPanesize(int nRow, int nColumn, CRect &rect){rect.SetRect(0, 0, 0, 0);for(int i = 0;i < nColumn;i ++)rect.left += m_nCx[i] + m_nSplitterWidth;rect.right = rect.left + m_nCx[nColumn];for(int i = 0;i < nRow;i ++)rect.top += m_nCy[i] + m_nSplitterWidth;rect.bottom = rect.top + m_nCy[nRow];}void CSplitter::ReCalcSize(CRect &rcClient){m_nCx[m_nColumns - 1] = rcClient.Width();for(int i = 0;i < m_nColumns - 1;i ++)m_nCx[m_nColumns - 1] -= m_nCx[i] + m_nSplitterWidth;m_nCy[m_nRows - 1] = rcClient.Height();for(int i = 0;i < m_nRows - 1;i ++)m_nCy[m_nRows - 1] -= m_nCy[i] + m_nSplitterWidth;}void CSplitter::OnDraw(){CDC *pDC = this->GetDC();CRect rc;this->GetClientRect(&rc);int nXpos = 0;int nYpos = 0;////CPen pen;//pen.CreatePen(PS_SOLID, 1, RGB(167, 166, 170));//CBrush brush;//brush.CreateSolidBrush(RGB(239, 237, 241));//CPen *pOldPen = pDC->SelectObject(&pen);//CBrush *pOldBrush = pDC->SelectObject(&brush);CBitmap bitmap;bitmap.LoadBitmap(IDB_BITMAP1);CDC compDC;compDC.CreateCompatibleDC(pDC);compDC.SelectObject(&bitmap);////竖条for(int i = 0;i < m_nColumns - 1;i ++){nXpos += m_nCx[i];//pDC->Rectangle(nXpos, 0, nXpos+m_nSplitterWidth, rc.Height());if(!m_bHasBtn)pDC->StretchBlt(nXpos, 0, m_nSplitterWidth, rc.Height(), &compDC, 0, 0, 7, 7, SRCCOPY);else{pDC->StretchBlt(nXpos, 0, m_nSplitterWidth, rc.Height()/2-25, &compDC, 0, 0, 7, 7, SRCCOPY);pDC->StretchBlt(nXpos, rc.Height()/2+25, m_nSplitterWidth, rc.Height()/2-24, &compDC, 0, 0, 7, 7, SRCCOPY);//button===================================================================================if(m_bOver && m_nCurY == -2){pDC->StretchBlt(nXpos, rc.Height()/2-25, m_nSplitterWidth, 50, &compDC, 0, 15, 7, 8, SRCCOPY);if(m_nCx[0] == 0)pDC->StretchBlt(nXpos, rc.Height()/2-4, m_nSplitterWidth, 8, &compDC, 14, 15, 7, 8, SRCCOPY);elsepDC->StretchBlt(nXpos, rc.Height()/2-4, m_nSplitterWidth, 8, &compDC, 7, 15, 7, 8, SRCCOPY);}else{pDC->StretchBlt(nXpos, rc.Height()/2-25, m_nSplitterWidth, 50, &compDC, 0, 7, 7, 8, SRCCOPY);if(m_nCx[0] == 0)pDC->StretchBlt(nXpos, rc.Height()/2-4, m_nSplitterWidth, 8, &compDC, 14, 7, 7, 8, SRCCOPY);elsepDC->StretchBlt(nXpos, rc.Height()/2-4, m_nSplitterWidth, 8, &compDC, 7, 7, 7, 8, SRCCOPY);}}nXpos += m_nSplitterWidth;}//横条nYpos = 0;for(int i = 0;i < m_nRows - 1;i ++){nYpos += m_nCy[i];//pDC->Rectangle(0, nYpos, rc.Width(), nYpos+m_nSplitterWidth);if(!m_bHasBtn)pDC->StretchBlt(0, nYpos, rc.Width(), m_nSplitterWidth, &compDC, 7, 0, 7, 7, SRCCOPY);else{pDC->StretchBlt(0, nYpos, rc.Width()/2-25, m_nSplitterWidth, &compDC, 7, 0, 7, 7, SRCCOPY);pDC->StretchBlt(rc.Width()/2+25, nYpos, rc.Width()/2-24, m_nSplitterWidth, &compDC, 7, 0, 7, 7, SRCCOPY);//button===================================================================================if(m_bOver && m_nCurX == -2){pDC->StretchBlt(rc.Width()/2-25, nYpos, 50, m_nSplitterWidth, &compDC, 0, 30, 4, 7, SRCCOPY);if(m_nCy[0] == rc.Height()-m_nSplitterWidth-20)pDC->StretchBlt(rc.Width()/2-4, nYpos, 8, m_nSplitterWidth, &compDC, 13, 30, 8, 7, SRCCOPY);elsepDC->StretchBlt(rc.Width()/2-4, nYpos, 8, m_nSplitterWidth, &compDC, 5, 30, 8, 7, SRCCOPY);}else{pDC->StretchBlt(rc.Width()/2-25, nYpos, 50, m_nSplitterWidth, &compDC, 0, 23, 4, 7, SRCCOPY);if(m_nCy[0] == rc.Height()-m_nSplitterWidth-20)pDC->StretchBlt(rc.Width()/2-4, nYpos, 8, m_nSplitterWidth, &compDC, 13, 23, 8, 7, SRCCOPY);elsepDC->StretchBlt(rc.Width()/2-4, nYpos, 8, m_nSplitterWidth, &compDC, 5, 23, 8, 7, SRCCOPY);}}nYpos += m_nSplitterWidth;}//交叉块nXpos = 0;nYpos = 0;for(int i = 0;i < m_nRows - 1;i ++){nYpos += m_nCy[i];//pDC->Rectangle(0, nTemp, rc.Width(), nTemp+m_nSplitterWidth);for(int j = 0;j < m_nColumns - 1;j ++){nXpos += m_nCx[j];//pDC->Rectangle(nXpos, nYpos, nXpos+m_nSplitterWidth, nYpos+m_nSplitterWidth);pDC->StretchBlt(nXpos, nYpos, m_nSplitterWidth, m_nSplitterWidth, &compDC, 14, 0, 7, 7, SRCCOPY);nXpos += m_nSplitterWidth;}nYpos += m_nSplitterWidth;nXpos = 0;}//pDC->SelectObject(pOldPen);//pDC->SelectObject(pOldBrush);compDC.DeleteDC();bitmap.DeleteObject();ReleaseDC(pDC);}

在OnInitDialog()中做如下初始化

CRect rc;
this->GetClientRect(&rc);
if(!m_splitter.CreateSplitter(2, 2, rc, this, CSize(100, 100)))
return false;
m_splitter.SetPaneInfo(0, 0, CSize(100, 150), GetDlgItem(IDC_EDIT1));
m_splitter.SetPaneInfo(0, 1, CSize(100, 150), GetDlgItem(IDC_EDIT2));
m_splitter.SetPaneInfo(1, 0, CSize(100, 150), GetDlgItem(IDC_EDIT3));
m_splitter.SetPaneInfo(1, 1, CSize(100, 150), GetDlgItem(IDC_EDIT4));

在OnInitDialog()中做如下初始化

CRect rc;
this->GetClientRect(&rc);
if(!m_splitter.CreateSplitter(1, 2, rc, this, CSize(100, 100)))
  return false;
if(!m_splitter1.CreateSplitter(2, 1, rc, this, CSize(100, 100)))
  return false;
if(!m_splitter2.CreateSplitter(2, 1, rc, this, CSize(100, 100)))
  return false;
m_splitter.SetPaneInfo(0, 0, CSize(200, 0), CWnd::FromHandle(m_splitter1.m_hWnd));
m_splitter.SetPaneInfo(0, 1, CSize(0, 150), CWnd::FromHandle(m_splitter2.m_hWnd));
m_splitter1.SetPaneInfo(0, 0, CSize(200, 200), GetDlgItem(IDC_EDIT1));
m_splitter1.SetPaneInfo(1, 0, CSize(0, 0), GetDlgItem(IDC_EDIT2));
m_splitter2.SetPaneInfo(0, 0, CSize(100, 300), GetDlgItem(IDC_EDIT3));
m_splitter2.SetPaneInfo(1, 0, CSize(0, 0), GetDlgItem(IDC_EDIT4));