鼠标钩子的问题在窗口内是可以获得鼠标位置出了窗口就不行了

[yaleond]

自己写了个鼠标的全局DLL钩子，相关代码如下：

#include<windows.h>

HINSTANCE m_hDLL;
HHOOK m_hhookDll;
HWND m_hWnd; //调用DLL的窗口句柄
MOUSEHOOKSTRUCT* mhookstruct;

BOOL WINAPI DllMain(
  HINSTANCE hinstDLL,
  DWORD fdwReason,
  LPVOID lpvReserved
)
{
	switch(fdwReason)
	{
	case DLL_PROCESS_ATTACH:
		m_hDLL = hinstDLL;
		break;
	case DLL_THREAD_ATTACH:
		break;
	case DLL_THREAD_DETACH:
		break;
	case DLL_PROCESS_DETACH:
		UnhookWindowsHookEx(m_hhookDll);
	}
	return true;
}

LRESULT CALLBACK MouseProc(int nCode,
    WPARAM wParam,
    LPARAM lParam
)
{	
	if(wParam == WM_MOUSEMOVE)
	{
		mhookstruct = (MOUSEHOOKSTRUCT*)lParam;
		PostMessage(m_hWnd,WM_MOUSEMOVE,0,MAKELPARAM((mhookstruct->pt).x,(mhookstruct->pt).y ));
		return 1; 
	}
	else
	{
		if(wParam == WM_LBUTTONDOWN )
		{
			mhookstruct = (MOUSEHOOKSTRUCT*)lParam;
			PostMessage(m_hWnd,WM_LBUTTONDOWN ,0,MAKELPARAM(mhookstruct->pt.x,mhookstruct->pt.y));
			
			return 1; 
		}
	}
	return CallNextHookEx(m_hhookDll,nCode,wParam,lParam);
}


void _stdcall setHook(HWND hWnd)
{
	m_hWnd = hWnd;
	m_hhookDll = SetWindowsHookEx(WH_MOUSE,MouseProc,m_hDLL,0);
	return;
}

再写个程序去获取的时候却只能在窗口之类获取到，出了本窗口就获取不到了...l

[LeviZhou]

关注一下，帮顶

[oyljerry]

用 SetWindowsHookEx(WH_MOUSE_LL...

[NineheadedBird]

我也是抓鼠标位置 用的 WH_GETMESSAGE 成功了 你试试吧
同时关注你的问题-_-

[yaleond]

[Quote=引用 2 楼 oyljerry 的回复:]
SetWindowsHookEx(WH_MOUSE_LL...
[/Quote]
用WH_MOUSE_LL的话鼠标会不动的...我用过

[yaleond]

[Quote=引用 3 楼 NineheadedBird 的回复:]
我也是抓鼠标位置 用的 WH_GETMESSAGE 成功了 你试试吧
同时关注你的问题-_-
[/Quote]
我试了下，还是不行，可以把你的源码给我看看不(钩子的还有调用这钩子的（我怀疑是不是这里的有问题))?不胜感激!

[yaleond]

SetWindowsHookEx(WH_MOUSE_LL...
然后SetCursorPos下，发现是可以的，但是为什么WH_MOUSE_LL可以而WH_MOUSEMOVE不行呢？

[NineheadedBird]

我的写法
static LRESULT CALLBACK hookproc(UINT nCode, WPARAM wParam, LPARAM lParam)
{
if (nCode < 0)
{
// pass it on
CallNextHookEx(hook, nCode, wParam, lParam);
}

LPMSG msg = (LPMSG)lParam;
if (msg->message == WM_MOUSEMOVE || msg->message == WM_NCMOUSEMOVE || msg->message == WM_LBUTTONDOWN || msg->message == WM_LBUTTONUP)
{
unsigned long currentKeyMouseTime = timeGetTime();
unsigned long difftime = currentKeyMouseTime - oldKeyMouseTime;
if (difftime > 20) // up to 50 frames per second
{
HCURSOR hcur = GetCursor();
PostMessage(hWndServer, WM_USER_SAVECURSOR_MSG, (unsigned int)hcur, msg->message);
oldKeyMouseTime = currentKeyMouseTime;
}
}

return CallNextHookEx(hook, nCode, wParam, lParam);
}

WM_USER_SAVECURSOR_MSG 是我自己注册消息