// HorizontalLine.cpp: implementation of the CHorizontalLine class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "HorizontalLine.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[]=__FILE__;
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#define new DEBUG_NEW
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#endif
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CHorizontalLine::CHorizontalLine()
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{
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m_hWnd = NULL;
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m_crBkgnd = RGB(255, 255, 255);
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m_crLineColor = RGB(222, 222, 222);
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}
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CHorizontalLine::~CHorizontalLine()
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{
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}
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BOOL CHorizontalLine::RegisterWndClass()
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{
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WNDCLASS wc;
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wc.lpszClassName = BYHORIZONTALLINE_CLASS;
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wc.hInstance = AfxGetInstanceHandle();
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wc.lpfnWndProc = WindowProc;
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wc.hCursor = ::LoadCursor(NULL, IDC_ARROW);
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wc.hIcon = 0;
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wc.lpszMenuName = NULL;
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wc.hbrBackground = NULL;
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wc.style = CS_GLOBALCLASS|CS_DBLCLKS;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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// ×¢²á×Ô¶¨ÒåÀà
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return (::RegisterClass(&wc) != 0);
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}
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CHorizontalLine* CHorizontalLine::Hook(HWND hWnd)
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{
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CHorizontalLine* pHorizontalLine = (CHorizontalLine*)GetProp(hWnd, BYSTAG_HORIZONTALLINE);
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if(pHorizontalLine == NULL)
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{
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pHorizontalLine = new CHorizontalLine;
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pHorizontalLine->m_hWnd = hWnd;
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SetProp(hWnd, BYSTAG_HORIZONTALLINE, (HANDLE)pHorizontalLine);
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}
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return pHorizontalLine;
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}
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void CHorizontalLine::Release()
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{
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// delete
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delete this;
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}
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void CHorizontalLine::Notify(int nCode, int dwData, int dwData1/* = 0*/, int dwData2/* = 0*/)
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{
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HWND hParent;
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hParent = GetParent(m_hWnd);
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if(hParent != NULL) {
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BYHORIZONTALLINE_NMHDR iii_nmhdr;
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iii_nmhdr.nmhdr.hwndFrom = m_hWnd;
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iii_nmhdr.nmhdr.idFrom = GetWindowLong(m_hWnd, GWL_ID);
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iii_nmhdr.nmhdr.code = nCode;
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iii_nmhdr.dwData = dwData;
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iii_nmhdr.dwData1 = dwData1;
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iii_nmhdr.dwData2 = dwData2;
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SendMessage(hParent, WM_NOTIFY, (WPARAM)iii_nmhdr.nmhdr.idFrom, (LPARAM)&iii_nmhdr);
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}
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}
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////////////////////////////////
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// À¹½Ø´°¿ÚÏûÏ¢º¯Êý
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LRESULT CALLBACK CHorizontalLine::WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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CHorizontalLine* pHorizontalLine = (CHorizontalLine *)GetProp(hWnd, BYSTAG_HORIZONTALLINE);
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if(pHorizontalLine == NULL && uMsg != WM_NCCREATE)
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{
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return ::DefWindowProc(hWnd, uMsg, wParam, lParam);
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}
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// Èç¹ûHookÔòÏìÓ¦ÏûÏ¢
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ASSERT(hWnd);
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switch(uMsg)
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{
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case WM_NCCREATE:
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return OnNcCreate(hWnd, wParam, lParam);
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case WM_DESTROY:
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return pHorizontalLine->OnDestroy(wParam, lParam);
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case WM_PAINT:
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return pHorizontalLine->OnPaint(wParam, lParam);
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case WM_TIMER:
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return pHorizontalLine->OnTimer(wParam, lParam);
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case WM_GETDLGCODE:
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return DLGC_WANTALLKEYS;
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default:
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break;
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}
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return ::DefWindowProc(hWnd, uMsg, wParam, lParam);
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}
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///////////////////////////////
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// WM_NCCREATE
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// ´°¿Ú´´½¨Ç°µÄ³õʼ»¯¹¤×÷
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LRESULT CHorizontalLine::OnNcCreate(HWND hWnd, WPARAM wParam, LPARAM lParam)
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{
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CHorizontalLine* pHorizontalLine = (CHorizontalLine *)GetProp(hWnd, BYSTAG_HORIZONTALLINE);
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ASSERT(pHorizontalLine == NULL);
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Hook(hWnd);
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return ::DefWindowProc(hWnd, WM_NCCREATE, wParam, lParam);
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}
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///////////////////////////////
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// WM_DESTROY
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LRESULT CHorizontalLine::OnDestroy(WPARAM wParam, LPARAM lParam)
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{
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Release();
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return ::DefWindowProc(m_hWnd, WM_DESTROY, wParam, lParam);
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}
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///////////////////////////////
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// WM_TIMER
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LRESULT CHorizontalLine::OnTimer(WPARAM wParam, LPARAM lParam)
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{
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return ::DefWindowProc(m_hWnd, WM_TIMER, wParam, lParam);
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}
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///////////////////////////////
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// WM_PAINT
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LRESULT CHorizontalLine::OnPaint(WPARAM wParam, LPARAM lParam)
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{
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HDC hDC, hMemDC;
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HBITMAP hBitmap;
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RECT rcClient;
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CString strText;
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HFONT hFont;
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HBRUSH hBrushBK;
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// BeginPaint
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PAINTSTRUCT ps;
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hDC = BeginPaint(m_hWnd, &ps);
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GetClientRect(m_hWnd, &rcClient);
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hMemDC = ::CreateCompatibleDC(hDC);
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hBitmap = ::CreateCompatibleBitmap(hDC, rcClient.right-rcClient.left,
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rcClient.bottom-rcClient.top);
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::SelectObject(hMemDC, hBitmap);
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hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
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::SelectObject(hMemDC, hFont);
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// ±³¾°ÑÕÉ«
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hBrushBK = CreateSolidBrush( m_crBkgnd );
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::FillRect(hMemDC, &rcClient, hBrushBK);
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DeleteObject(hBrushBK);
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// »Ïß
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HPEN hPen = CreatePen(PS_SOLID, 1, m_crLineColor);
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HPEN hOldPen = (HPEN)::SelectObject(hMemDC, hPen);
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::MoveToEx(hMemDC, 0, 0, NULL);
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LineTo(hMemDC, rcClient.right, 0);
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::SelectObject(hMemDC, hOldPen);
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// EndPaint
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::BitBlt(hDC, 0, 0, rcClient.right-rcClient.left, rcClient.bottom-rcClient.top,
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hMemDC, 0, 0, SRCCOPY);
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EndPaint(m_hWnd, &ps);
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::DeleteObject(hBitmap);
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::DeleteDC(hMemDC);
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return 1;
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}
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void CHorizontalLine::SetBkgndColor(COLORREF cr)
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{
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m_crBkgnd = cr;
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}
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void CHorizontalLine::SetLineColor(COLORREF cr)
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{
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m_crLineColor = cr;
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}
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