1 #include "QWinApp.h" 2 #include "QGlobal.h" 3 int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow) 4 { 5     QWinApp* pWinApp = GlbGetApp(); 6     //new QWinApp; 7     //pWinApp = GlbGetApp(); 8     assert(pWinApp); 9     pWinApp->hInst = hInstance;10     pWinApp->InitInstance();11     pWinApp->Run();12     pWinApp->ExitInstance();13 14     return TRUE;15 }

 1 #pragma once 2 #include <windows.h> 3 class QWnd 4 { 5 public: 6     QWnd(void); 7     ~QWnd(void); 8 public: 9     HWND m_hWnd;10     virtual BOOL PreCreateWindow(CREATESTRUCT& cs);11 12     virtual BOOL CreateEx(DWORD dwExStyle,LPCTSTR lpszClassName,LPCTSTR lpszWindowName,    DWORD dwStyle,13         int x,int y,int nWidth,    int nHeight,HWND hWndParent,HMENU nIDorHMenu,LPVOID lpParam = NULL);14 public:15     WNDPROC m_lpfnOldWndProc;16     BOOL ShowWindow(int nCmdShow);17     BOOL UpdateWindow();18     BOOL DestroyWindow();19 public:20     virtual LRESULT OnClose(WPARAM wParam,LPARAM lParam);21     virtual LRESULT OnDestroy(WPARAM wParam,LPARAM lParam);22     virtual LRESULT OnCreate(WPARAM wParam,LPARAM lParam);23 public:24     static LRESULT CALLBACK WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);25     virtual LRESULT  WindowProc(UINT uMsg, WPARAM wParam, LPARAM lParam);26     virtual LRESULT  Default(UINT uMsg, WPARAM wParam, LPARAM lParam);27     BOOL SubClassWindows(HWND hWnd);28     static QWnd* FromHandle(HWND hWnd);29 };

  1 #include "QWnd.h"  2 LRESULT CALLBACK QWnd::WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)  3 {  4     if (uMsg == WM_CREATE || uMsg == WM_NCCREATE)  5     {  6         CREATESTRUCT* pCs = (CREATESTRUCT*)lParam;  7         if (pCs)  8         {  9             QWnd* pWnd = (QWnd*)pCs->lpCreateParams; 10             if (pWnd) 11             { 12                 pWnd->m_hWnd = hwnd; 13                 pWnd->m_lpfnOldWndProc = (WNDPROC)GetWindowLong(hwnd,GWL_WNDPROC); 14                 return pWnd->WindowProc(uMsg,wParam,lParam); 15             } 16         } 17     } 18     QWnd* pWnd = (QWnd*)GetWindowLong(hwnd,GWL_USERDATA); 19     if (pWnd) 20     { 21         return pWnd->WindowProc(uMsg,wParam,lParam); 22     } 23  24     return DefWindowProc(hwnd, uMsg, wParam, lParam); 25 } 26 LRESULT  QWnd::WindowProc(UINT uMsg, WPARAM wParam, LPARAM lParam) 27 { 28     switch (uMsg) 29     { 30     case WM_CLOSE: 31         { 32             return OnClose(wParam,lParam); 33         } 34         break; 35     case WM_DESTROY: 36         { 37             return OnDestroy(wParam,lParam); 38         } 39     case WM_CREATE: 40         { 41             return OnCreate(wParam,lParam); 42         } 43         break; 44     } 45     return Default(uMsg, wParam, lParam); 46 } 47 LRESULT  QWnd::Default(UINT uMsg, WPARAM wParam, LPARAM lParam) 48 { 49     if (m_lpfnOldWndProc == QWnd::WndProc) 50     { 51         return ::DefWindowProc(m_hWnd,uMsg, wParam, lParam); 52     } 53     return m_lpfnOldWndProc(m_hWnd,uMsg, wParam, lParam); 54 } 55 LRESULT QWnd::OnClose(WPARAM wParam,LPARAM lParam) 56 { 57     return Default(WM_CLOSE,wParam,lParam); 58 } 59 LRESULT QWnd::OnCreate(WPARAM wParam,LPARAM lParam) 60 { 61     return Default(WM_CREATE,wParam,lParam); 62 } 63  64 LRESULT QWnd::OnDestroy(WPARAM wParam,LPARAM lParam) 65 { 66     return Default(WM_DESTROY,wParam,lParam); 67 } 68 QWnd::QWnd(void) 69 { 70     m_hWnd =NULL; 71     m_lpfnOldWndProc = NULL; 72 } 73  74 QWnd::~QWnd(void) 75 { 76 } 77 BOOL QWnd::CreateEx(    DWORD dwExStyle,    LPCTSTR lpszClassName,    LPCTSTR lpszWindowName,    DWORD dwStyle, 78                     int x,    int y,    int nWidth,    int nHeight,    HWND hWndParent,    HMENU nIDorHMenu,    LPVOID lpParam    ) 79 { 80     CREATESTRUCT cs; 81     cs.lpCreateParams = lpParam; 82     cs.hInstance = (HINSTANCE)GetModuleHandle(NULL); 83     cs.hMenu = nIDorHMenu; 84     cs.hwndParent = hWndParent; 85     cs.cy = nWidth; 86     cs.cx = nHeight; 87     cs.y = y; 88     cs.x = x; 89     cs.style = dwStyle; 90     cs.lpszName = lpszWindowName; 91     cs.lpszClass = lpszClassName; 92     cs.dwExStyle = dwExStyle; 93     BOOL bRet = PreCreateWindow(cs); 94     if (!bRet) 95     { 96         return FALSE; 97     } 98     HWND hWnd = CreateWindowEx(cs.dwExStyle,cs.lpszClass,cs.lpszName, 99         cs.style,cs.x,cs.y,cs.cx,cs.cy,cs.hwndParent,cs.hMenu,100         cs.hInstance,this);101     if (NULL == hWnd)102     {103         return FALSE;104     }105     m_hWnd =hWnd;106     SetWindowLong(m_hWnd,GWL_USERDATA,(LONG) this);107     m_lpfnOldWndProc = (WNDPROC) GetWindowLong(m_hWnd,GWL_WNDPROC);108     if (m_lpfnOldWndProc == QWnd::WndProc)109     {110         //子类化111         SetWindowLong(m_hWnd,GWL_WNDPROC,(LONG)QWnd::WndProc);112         WindowProc(WM_CREATE,0,0);113         WindowProc(WM_NCCREATE,0,0);114     }115     return TRUE;116 }117 QWnd* FromHandle(HWND hWnd)118 {119     QWnd* pWnd =(QWnd*)GetWindowLong(hWnd,GWL_USERDATA);120     return pWnd;121 }122 BOOL QWnd::PreCreateWindow(123     CREATESTRUCT& cs124     )125 {126     //HINSTANCE hInst = (HINSTANCE)GetModuleHandle(NULL);127     //assert(hInst);128     WNDCLASSEX wc = {0};129     BOOL bRet = GetClassInfoEx(cs.hInstance,cs.lpszClass,&wc);130     if (bRet)131     {132         return TRUE;133     }134     //WNDCLASSEX wc = {0};135     wc.cbClsExtra = 0;136     wc.cbSize = sizeof(wc);137     wc.cbWndExtra = 0;138     wc.hbrBackground = (HBRUSH)GetStockObject(COLOR_HIGHLIGHTTEXT);139     wc.hCursor = LoadCursor(NULL, MAKEINTRESOURCE(IDC_ARROW));140     wc.hIcon = LoadIcon(NULL, MAKEINTRESOURCE(IDI_APPLICATION));141     wc.hIconSm = NULL;142     wc.hInstance = cs.hInstance;143     wc.lpfnWndProc = WndProc;144     wc.lpszClassName = cs.lpszClass;145     wc.lpszMenuName = NULL;146     wc.style = CS_HREDRAW | CS_VREDRAW;147     BOOL bRetClass = RegisterClassEx(&wc);148     if(!bRetClass)149     {150         //MessageBox(NULL, L"Register Class Failed!", NULL, MB_OK);151         return FALSE;152     }153     return TRUE;154 }155 156 BOOL  QWnd::ShowWindow(int nCmdShow)157 {158     return ::ShowWindow(m_hWnd,nCmdShow);159 }160 BOOL  QWnd::UpdateWindow()161 162 {163     return ::UpdateWindow(m_hWnd);164 }165 166 BOOL  QWnd::DestroyWindow()167 168 {169     return ::DestroyWindow(m_hWnd);170 }171 172 BOOL QWnd::SubClassWindows(HWND hWnd)173 {174     if (m_hWnd == hWnd) return TRUE;175     m_lpfnOldWndProc = (WNDPROC)GetWindowLong(hWnd,GWL_WNDPROC);176     if(m_lpfnOldWndProc!=QWnd::WndProc)177     {178         m_hWnd =hWnd;179         SetWindowLong(m_hWnd,GWL_USERDATA,(LONG)this);180         SetWindowLong(m_hWnd,GWL_WNDPROC,(LONG)QWnd::WndProc);181         return TRUE;182     }183     return FALSE;184 }