//----设置焦点窗口---------------------------------------------------------------
//描述: 略.
//参数：hwnd: 新的焦点窗口
//返回：旧的焦点窗口.
//------------------------------------------------------------------------------
HWND SetFocusWindow(HWND hwnd)
{
HWND wnd=NULL;
if(GDD_Lock())
{
wnd =HWND_Focus;
HWND_Focus =hwnd;
GDD_Unlock();
}
else
{
return NULL;
}
if(wnd!=NULL)
{
SendMessage(wnd,MSG_KILLFOCUS,0,0);
}
if(hwnd!=NULL)
{
SendMessage(hwnd,MSG_SETFOCUS,0,0);
}
return wnd;
}
//----销毁一个窗口--------------------------------------------------------------
//描述: 可以是主窗口和子窗口,除了删除自身窗口结构,还将发送WSG_DESTROY消息给父窗口.
//参数：hwnd:需要销毁的窗口句柄
//返回：无.
//------------------------------------------------------------------------------
void DestroyWindow(HWND hwnd)
{
if(IsFocusWindow(hwnd))
{
SetFocusWindow(NULL);
}
UpdateDisplay();
GDD_Lock();
if(HWND_Lock(hwnd))
{
_DestroyChildWindow(hwnd);
SendMessage(hwnd,MSG_DESTROY,0,0);
if(hwnd->Style&WS_CHILD)
{
_DeleteChildWindowData(hwnd);
}
HWND_Unlock(hwnd);
}
GDD_Unlock();
}
//----获得焦点窗口---------------------------------------------------------------
//描述: 略.
//参数：无.
//返回：焦点窗口.
//------------------------------------------------------------------------------
HWND GetFocusWindow(void)
{
HWND wnd=NULL;
if(GDD_Lock())
{
wnd =HWND_Focus;
GDD_Unlock();
}
return wnd;
}
//----锁定窗口------------------------------------------------------------------
//描述: 锁定窗口,用于对窗口互斥操作,该函数返回TRUE时,必须调用HWND_Unlock解锁;
// 而当该函数返回FALSE,则无需调用HWND_Unlock.
//参数：hwnd:窗口句柄
//返回：成功:TRUE; 失败:FLASE;
//------------------------------------------------------------------------------
BOOL HWND_Lock(HWND hwnd)
{
GDD_Lock();
if(NULL!=hwnd)
if(WIN_TAG==hwnd->Tag)
{
//Lock_MutexPend(hwnd->mutex_lock,5000000);
//GDD_Unlock();
return TRUE;
}
GDD_Unlock();
return FALSE;
}
//----判断是否为焦点窗口---------------------------------------------------------
//描述: 略.
//参数：无.
//返回：如果指定的窗口是焦点窗口,将返回TRUE,否则返回FALSE.
//------------------------------------------------------------------------------
BOOL IsFocusWindow(HWND hwnd)
{
BOOL res=FALSE;
if(HWND_Lock(hwnd))
{
if(GDD_Lock())
{
if(hwnd == HWND_Focus)
{
res=TRUE;
}
GDD_Unlock();
}
HWND_Unlock(hwnd);
}
return res;
}
void MouseInput(s32 x,s32 y,u32 key_state)
{
HWND hwnd;
POINT pt;
RECT rc;
pt.x =x;
pt.y =y;
GDD_Lock();
hwnd =GetWindowFromPoint(&pt); //记录LButtonDown窗口.
// LBUTTON
if(key_state&MK_LBUTTON)
{
if(!_IsKeyDown(VK_LBUTTON))
{
_SetKeyDown(VK_LBUTTON);
HWND_LButton_Down =hwnd; //记录LButtonDown窗口.
GetClientRectToScreen(hwnd,&rc);
if(_PtInRect(&rc,&pt))
{
LButton_Msg =MSG_LBUTTON_DOWN;
_ScreenToClient(hwnd,&pt,1); //客户区使用客户坐标.
}
else
{
LButton_Msg =MSG_NCLBUTTON_DOWN;
}
PostMessage(hwnd,LButton_Msg,0,(pt.y<<16)|(pt.x));
}
}
else
{
if(_IsKeyDown(VK_LBUTTON))
{
_SetKeyUp(VK_LBUTTON);
hwnd =HWND_LButton_Down;
if(LButton_Msg==MSG_LBUTTON_DOWN)
{
_ScreenToClient(hwnd,&pt,1); //客户区使用客户坐标.
LButton_Msg =MSG_LBUTTON_UP;
}
else
{
LButton_Msg =MSG_NCLBUTTON_UP;
}
PostMessage(hwnd,LButton_Msg,0,(pt.y<<16)|(pt.x));
}
}
if((cursor_x!=x) || (cursor_y!=y))
{
cursor_x =x;
cursor_y =y;
pt.x =x;
pt.y =y;
ScreenToClient(hwnd,&pt,1);
PostMessage(hwnd,MSG_MOUSE_MOVE,key_state,(pt.y<<16)|(pt.x));
}
GDD_Unlock();
}
//----解锁窗口------------------------------------------------------------------
//描述: 当窗口锁定成功后,由该函数进行解锁操作.
//参数：hwnd:窗口句柄
//返回：无
//------------------------------------------------------------------------------
void HWND_Unlock(HWND hwnd)
{
GDD_Unlock();
//Lock_MutexPost(hwnd->mutex_lock);
}
