#include "stdafx.h"
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#include "MapPosWnd.h"
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#include "ColorTransfer.h"
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#define HT_NOWHERE 0x1
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#define HT_INDICATOR 0x2
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CMapPosWnd::CMapPosWnd()
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{
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m_hWnd = NULL;
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m_crFrame = RGB(0, 0, 0);
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m_crBkgnd = RGB(255, 255, 255);
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m_crViewPort = RGB(185, 122, 87);
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m_nWndMaxSize = 200;
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m_nStageCx = 4000;
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m_nStageCy = 3000;
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m_rcViewPort = {200, 200, 800, 800};
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}
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CMapPosWnd::~CMapPosWnd()
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{
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}
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BOOL CMapPosWnd::RegisterWndClass()
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{
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WNDCLASS wc;
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wc.lpszClassName = MAPPOSWND_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´°¿ÚÀà
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return (::RegisterClass(&wc) != 0);
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}
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CMapPosWnd * CMapPosWnd::FromHandle(HWND hWnd)
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{
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CMapPosWnd *pMapPosWnd = (CMapPosWnd *)::GetProp(hWnd, MAPPOSWND_TAG);
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return pMapPosWnd;
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}
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CMapPosWnd* CMapPosWnd::Hook(HWND hWnd)
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{
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CMapPosWnd* pMapPosWnd = (CMapPosWnd*)GetProp(hWnd, MAPPOSWND_TAG);
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if (pMapPosWnd == NULL) {
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pMapPosWnd = new CMapPosWnd();
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pMapPosWnd->m_hWnd = hWnd;
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SetProp(hWnd, MAPPOSWND_TAG, (HANDLE)pMapPosWnd);
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}
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return pMapPosWnd;
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}
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void CMapPosWnd::SetWndMaxSize(int nMaxSize)
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{
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m_nWndMaxSize = nMaxSize;
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}
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void CMapPosWnd::SetStageSize(int cx, int cy, BOOL bInvalidata)
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{
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m_nStageCx = cx;
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m_nStageCy = cy;
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float scale = max(m_nStageCx / (float)m_nWndMaxSize, m_nStageCy / (float)m_nWndMaxSize);
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int w = (int)(m_nStageCx / scale) +1;
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int h = (int)(m_nStageCy / scale) + 1;
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::SetWindowPos(m_hWnd, NULL, 0, 0, w, h, SWP_NOMOVE);
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if (bInvalidata) {
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RECT rcClient;
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GetClientRect(m_hWnd, &rcClient);
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InvalidateRect(m_hWnd, &rcClient, TRUE);
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}
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}
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void CMapPosWnd::SetViewPort(LPRECT lpRect, BOOL bInvalidata)
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{
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::CopyRect(&m_rcViewPort, lpRect);
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if (bInvalidata) {
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RECT rcClient;
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GetClientRect(m_hWnd, &rcClient);
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InvalidateRect(m_hWnd, &rcClient, TRUE);
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}
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}
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void CMapPosWnd::GetViewPortRect(LPRECT lprcClient, LPRECT lprcDest)
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{
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RECT rcClient;
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if (lprcClient == NULL) {
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GetClientRect(m_hWnd, &rcClient);
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lprcClient = &rcClient;
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}
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float scale = max(m_nStageCx / (float)(lprcClient->right - lprcClient->left), m_nStageCy / (float)(lprcClient->bottom - lprcClient->top));
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lprcDest->left = long(m_rcViewPort.left / scale);
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lprcDest->top = long(m_rcViewPort.top / scale);
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lprcDest->right = long(m_rcViewPort.right / scale);
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lprcDest->bottom = long(m_rcViewPort.bottom / scale);
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}
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void CMapPosWnd::Init()
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{
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}
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void CMapPosWnd::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 CMapPosWnd::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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MAPPOSWND_NMHDR nmhdr;
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nmhdr.nmhdr.hwndFrom = m_hWnd;
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nmhdr.nmhdr.idFrom = GetWindowLong(m_hWnd, GWL_ID);
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nmhdr.nmhdr.code = nCode;
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nmhdr.dwData = dwData;
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nmhdr.dwData1 = dwData1;
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nmhdr.dwData2 = dwData2;
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SendMessage(hParent, WM_NOTIFY, (WPARAM)nmhdr.nmhdr.idFrom, (LPARAM)&nmhdr);
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}
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}
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/*
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* ¼ì²â×ø±êµãËùÔÚµÄÏî
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* ·µ»ØÏîÀàÐÍ, ÈçHT_INDICATOR
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*/
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int CMapPosWnd::HighTest(POINT pt)
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{
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// ¼ì²âÊÇ·ñÔÚij¸ö×ÓÏî
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int nRet = HT_NOWHERE;
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RECT rcClient, rcViewPort;
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GetClientRect(m_hWnd, &rcClient);
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GetViewPortRect(&rcClient, &rcViewPort);
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if (::PtInRect(&rcViewPort, pt)) {
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nRet = HT_INDICATOR;
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}
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return nRet;
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}
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/*
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* WindowProc£¬´°¿Ú¹ý³Ì
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*/
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LRESULT CALLBACK CMapPosWnd::WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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CMapPosWnd* pMapPosWnd = (CMapPosWnd *)GetProp(hWnd, MAPPOSWND_TAG);
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if (pMapPosWnd == 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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// ´¦Àí´°¿ÚÏûÏ¢
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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 CMapPosWnd::OnNcCreate(hWnd, wParam, lParam);
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case WM_DESTROY:
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return pMapPosWnd->OnDestroy(wParam, lParam);
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case WM_NCPAINT:
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return pMapPosWnd->OnNcPaint(wParam, lParam);
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case WM_PAINT:
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return pMapPosWnd->OnPaint(wParam, lParam);
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case WM_TIMER:
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return pMapPosWnd->OnTimer(wParam, lParam);
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case WM_MOUSEMOVE:
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return pMapPosWnd->OnMouseMove(wParam, lParam);
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case WM_LBUTTONDOWN:
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return pMapPosWnd->OnLButtonDown(wParam, lParam);
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case WM_LBUTTONDBLCLK:
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return pMapPosWnd->OnLButtonDblclk(wParam, lParam);
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case WM_MOUSEWHEEL:
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return pMapPosWnd->OnMouseWheel(wParam, lParam);
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case WM_KEYDOWN:
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return pMapPosWnd->OnKeyDown(wParam, lParam);
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case WM_SIZE:
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return pMapPosWnd->OnSize(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¨
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*/
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LRESULT CMapPosWnd::OnNcCreate(HWND hWnd, WPARAM wParam, LPARAM lParam)
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{
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CMapPosWnd* pMapPosWnd = (CMapPosWnd *)GetProp(hWnd, MAPPOSWND_TAG);
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ASSERT(pMapPosWnd == NULL);
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Hook(hWnd)->Init();
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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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* ´°¿ÚÏú»Ù
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*/
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LRESULT CMapPosWnd::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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*/
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LRESULT CMapPosWnd::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_MOUSEMOVE
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* Êó±ê¹ö¶¯
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*/
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LRESULT CMapPosWnd::OnMouseMove(WPARAM wParam, LPARAM lParam)
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{
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return ::DefWindowProc(m_hWnd, WM_MOUSEMOVE, wParam, lParam);
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}
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/*
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* WM_LBUTTONDOWN
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* Êó±ê×ó¼ü°´ÏÂ
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*/
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LRESULT CMapPosWnd::OnLButtonDown(WPARAM wParam, LPARAM lParam)
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{
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POINT pt, ptNew, ptPox;
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pt.x = LOWORD(lParam);
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pt.y = HIWORD(lParam);
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RECT rcClient, rcLastViewPort;
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GetClientRect(m_hWnd, &rcClient);
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float scale = max(m_nStageCx / (float)(rcClient.right - rcClient.left), m_nStageCy / (float)(rcClient.bottom - rcClient.top));
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CopyRect(&rcLastViewPort, &m_rcViewPort);
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// ¼ì²âµã»÷×ø±êÊÇ·ñÔÚijһ×ÓÏîÉÏ£¬ÈçÊÇ£¬Ôò¸ßÁÁÏÔʾ
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int nRet = HighTest(pt);
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SetFocus(m_hWnd);
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// ²¶×½Êó±êÏûÏ¢£¬¼ì²âÊÇ·ñÍ϶¯
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if (nRet == HT_INDICATOR) {
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if (::GetCapture() == NULL) {
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SetCapture(m_hWnd);
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ASSERT(m_hWnd == GetCapture());
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AfxLockTempMaps();
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for (;;) {
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MSG msg;
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VERIFY(::GetMessage(&msg, NULL, 0, 0));
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if (GetCapture() != m_hWnd) break;
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switch (msg.message)
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{
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case WM_MOUSEMOVE:
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ptNew = msg.pt;
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::ScreenToClient(m_hWnd, &ptNew);
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ptPox.x = long(rcLastViewPort.left + (ptNew.x - pt.x) * scale);
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ptPox.x = max(0, min(ptPox.x, m_nStageCx - (rcLastViewPort.right - rcLastViewPort.left)));
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ptPox.y = long(rcLastViewPort.top + (ptNew.y - pt.y) * scale);
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ptPox.y = max(0, min(ptPox.y, m_nStageCy - (rcLastViewPort.bottom - rcLastViewPort.top)));
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Notify(MAPPOSWND_POSCHANGED, ptPox.x, ptPox.y);
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break;
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case WM_LBUTTONUP:
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ptNew = msg.pt;
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::ScreenToClient(m_hWnd, &ptNew);
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ptPox.x = long(rcLastViewPort.left + (ptNew.x - pt.x) * scale);
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ptPox.x = max(0, min(ptPox.x, m_nStageCx - (rcLastViewPort.right - rcLastViewPort.left)));
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ptPox.y = long(rcLastViewPort.top + (ptNew.y - pt.y) * scale);
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ptPox.y = max(0, min(ptPox.y, m_nStageCy - (rcLastViewPort.bottom - rcLastViewPort.top)));
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Notify(MAPPOSWND_POSCHANGED, ptPox.x, ptPox.y);
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ReleaseCapture();
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::InvalidateRect(m_hWnd, &rcClient, TRUE);
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goto ExitLoop;
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case WM_KEYDOWN:
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if (msg.wParam != VK_ESCAPE)
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break;
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default:
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DispatchMessage(&msg);
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break;
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}
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}
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ReleaseCapture();
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ExitLoop:
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AfxUnlockTempMaps(FALSE);
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}
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}
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return ::DefWindowProc(m_hWnd, WM_LBUTTONDOWN, wParam, lParam);
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}
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/*
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* WM_LBUTTONDBLCLK
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* Êó±ê×ó¼üË«»÷
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*/
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LRESULT CMapPosWnd::OnLButtonDblclk(WPARAM wParam, LPARAM lParam)
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{
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POINT pt, ptDest;
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pt.x = LOWORD(lParam);
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pt.y = HIWORD(lParam);
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RECT rcClient, rcLast;
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GetClientRect(m_hWnd, &rcClient);
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rcLast = { 0, 0, 0, 0 };
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// ¼ì²âµã»÷×ø±êÊÇ·ñÔÚ¿Õ°×´¦
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// С´°×ø±êת»»Îª¶ÔÓ¦×ø±ê
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int nRet = HighTest(pt);
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if (nRet == HT_NOWHERE || nRet == HT_INDICATOR) {
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float scale = max(m_nStageCx / (float)(rcClient.right - rcClient.left), m_nStageCy / (float)(rcClient.bottom - rcClient.top));
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ptDest.x = (int)(scale * pt.x) - (m_rcViewPort.right - m_rcViewPort.left) / 2;
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ptDest.x = max(0, min(ptDest.x, m_nStageCx - (m_rcViewPort.right - m_rcViewPort.left)));
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ptDest.y = (int)(scale * pt.y) - (m_rcViewPort.bottom - m_rcViewPort.top) / 2;
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ptDest.y = max(0, min(ptDest.y, m_nStageCy - (m_rcViewPort.bottom - m_rcViewPort.top)));
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Notify(MAPPOSWND_POSCHANGED, ptDest.x, ptDest.y);
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}
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return ::DefWindowProc(m_hWnd, WM_LBUTTONDBLCLK, wParam, lParam);
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}
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/*
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* WM_MOUSEWHEEL
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* Êó±ê¹ö¶¯
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*/
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LRESULT CMapPosWnd::OnMouseWheel(WPARAM wParam, LPARAM lParam)
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{
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return ::DefWindowProc(m_hWnd, WM_MOUSEWHEEL, wParam, lParam);
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}
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/*
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* WM_KEYDOWN
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* ¼üÅÌÏûÏ¢£¬°´Ï°´¼ü
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*/
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LRESULT CMapPosWnd::OnKeyDown(WPARAM wParam, LPARAM lParam)
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{
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BOOL bChanged = FALSE;
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if (wParam == VK_DELETE) {
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}
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if (bChanged) {
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RECT rcClient;
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GetClientRect(m_hWnd, &rcClient);
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::InvalidateRect(m_hWnd, &rcClient, TRUE);
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}
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return ::DefWindowProc(m_hWnd, WM_KEYDOWN, wParam, lParam);
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}
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/*
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* WM_NCPAINT
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*/
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LRESULT CMapPosWnd::OnNcPaint(WPARAM wParam, LPARAM lParam)
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{
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LRESULT lRet = ::DefWindowProc(m_hWnd, WM_NCPAINT, wParam, lParam);
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long styleEx = GetWindowLong(m_hWnd, GWL_EXSTYLE);
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if ((styleEx & WS_EX_CLIENTEDGE) == WS_EX_CLIENTEDGE) {
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RECT rect, rcClient;
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GetClientRect(m_hWnd, &rcClient);
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::ClientToScreen(m_hWnd, (LPPOINT)&rcClient.left);
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::ClientToScreen(m_hWnd, (LPPOINT)&rcClient.right);
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GetWindowRect(m_hWnd, &rect);
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rcClient.right = rect.right - 1;
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rcClient.bottom = rect.bottom - 1;
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::OffsetRect(&rcClient, -rect.left, -rect.top);
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rect.right -= rect.left;
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rect.bottom -= rect.top;
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rect.left = 0;
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rect.top = 0;
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HRGN hRgnWnd = CreateRectRgnIndirect(&rect);
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HRGN hRgnClient = CreateRectRgnIndirect(&rcClient);
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HBRUSH hBrushBK, hBrushFrame;
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HDC hDC = ::GetWindowDC(m_hWnd);
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::SelectClipRgn(hDC, hRgnWnd);
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::ExtSelectClipRgn(hDC, hRgnClient, RGN_DIFF);
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hBrushBK = CreateSolidBrush(m_crBkgnd);
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::FillRect(hDC, &rect, hBrushBK);
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DeleteObject(hBrushBK);
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hBrushFrame = CreateSolidBrush(m_crFrame);
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::FrameRect(hDC, &rect, hBrushFrame);
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::DeleteObject(hRgnWnd);
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::DeleteObject(hRgnClient);
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DeleteObject(hBrushFrame);
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::ReleaseDC(m_hWnd, hDC);
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}
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return lRet;
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}
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/*
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* WM_PAINT
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*/
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LRESULT CMapPosWnd::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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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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// ±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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// ±êÌâ
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{
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char szTitle[256];
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GetWindowText(m_hWnd, szTitle, 256);
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RECT rcTitle;
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rcTitle.left = rcClient.left + 2;
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rcTitle.top = rcClient.top + 2;
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rcTitle.bottom = rcClient.bottom - 2;
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rcTitle.right = rcClient.right - 2;
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::DrawText(hMemDC, szTitle, (int)strlen(szTitle), &rcTitle, DT_LEFT | DT_TOP);
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}
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// View port
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RECT rcViewPort;
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GetViewPortRect(&rcClient, &rcViewPort);
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HBRUSH hBrushFrame = CreateSolidBrush(m_crViewPort);
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::FrameRect(hMemDC, &rcViewPort, hBrushFrame);
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::DeleteObject(hBrushFrame);
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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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/*
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* WM_SIZE
|
*/
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LRESULT CMapPosWnd::OnSize(WPARAM wParam, LPARAM lParam)
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{
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LRESULT lRet = ::DefWindowProc(m_hWnd, WM_SIZE, wParam, lParam);
|
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return lRet;
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}
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/*
|
* ÉèÖñ³¾°ÑÕÉ«
|
* color -- ±³¾°É«
|
*/
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void CMapPosWnd::SetBkgndColor(COLORREF color)
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{
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m_crBkgnd = color;
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}
|
|
/*
|
* ±ß¿òÑÕÉ«
|
* color -- ±ß¿òÉ«
|
*/
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void CMapPosWnd::SetFrameColor(COLORREF color)
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{
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m_crFrame = color;
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}
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