C + + gets mouse position and global detection mouse behavior

1. Get the mouse position (in the position of the screen)

CPoint M_mouse;

GetCursorPos (&m_mouse);

2. Screen conversion to client (relative position of control) & client location to screen position

ClientToScreen (This->m_hwnd,m_mouse); Client location converted to screen location

ScreenToClient (This->m_hwnd,m_mouse); Screen conversion to Client

3. Get control about the position on the screen

CRect RC

GetWindowRect (&RC);

4, the way to detect the mouse action, many of their own is the MSDN on the introduction of the callback mouse hook (low-level hook) function to achieve

1>, a few global variables of the mouse are declared:

Place this part outside of the C + + class

/*    Global variables and global function definitions   set a mouse low-level hook variable */  hhook Mouse_hook;  LRESULT CALLBACK Lowlevelmouseproc (INT nCode,                                     WPARAM WPARAM,                                      LPARAM LPARAM                                   );  BOOL Uninstallhook ();   // Uninstall   BOOL Installhook ();     // installation

2>, initializing in constructors

1 mouse_hook=null;   // The hook is null

3>, installing hooks in the initialization function

1 installhook ()

4>, adding in destructors

Uninstallhook ()

5>, defining three functions declared in a class outside the current CPP

1 BOOL Installkbhook ()2 {  3 4     if(Mouse_hook) Uninstallhook (); 5Mouse_hook =SetWindowsHookEx (Wh_mouse_ll,6(HOOKPROC) (Lowlevelmouseproc), AfxGetApp ()m_hinstance, NULL); 7 8     return(Mouse_hook! =NULL); 9 }  Ten  One BOOL Uninstallhook () A {   -  -BOOL Jud =FALSE;  the     if(mouse_hook) { -Jud=UnhookWindowsHookEx (Mouse_hook);  -Mouse_hook =NULL; Set NULL -     }   +  -     return Jud;  + }  A  at LRESULT CALLBACK Lowlevelmouseproc (INT nCode, WPARAM WPARAM, LPARAM LPARAM) - {   - CPoint _mousepoint; -Msllhookstruct *PKBHS = (msllhookstruct *) LParam;  -     Switch(NCode) -     {   to  +      Casehc_action: -         {   the             //left mouse click *             if(WParam = = wm_lbuttondown| | WParam = = wm_rbuttondown| | WParam = = wm_mbuttondown| | WParam ==wm_lbuttonup| | WParam ==wm_rbuttonup| | WParam = =wm_mbuttonup) {   $                     //get the position of the mouse and make the necessary judgmentsPanax Notoginseng                  -                     //Right-click the mouse button the                 if(mmdlg!=NULL) { +                     if(mmdlg->setingmenu!=null&& mmdlg->bo_back!=1) A                     { the                         //if the mouse is not within the current client location +GetCursorPos (&_mousepoint); - CRect M_crect; $                         //Mmdlg->setingmenu->getclientrect (m_crect); $Mmdlg->setingmenu->GetWindowRect (m_crect); -                         //screentoclient (mmdlg->setingmenu->m_hwnd,&m_crect); -                         if(M_crect.bottom>_mousepoint.y && M_crect.top<_mousepoint.y && theM_crect.left<_mousepoint.x && m_crect.right >_mousepoint.x -                           ){Wuyi;//I'm not doing anything . the                         } -                         Else{ Wu                             Delete[] mmdlg->Setingmenu; -mmdlg->setingmenu=NULL; About                         } $                     } -mmdlg->bo_back=0; -                 } -             } A         } +     default: Break;  the     }   -  $     returnCallNextHookEx (NULL, NCode, WParam, LParam);  the}

　　　　　　　　

C + + gets mouse position and global detection mouse behavior