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然后在OnTimer中
【代码三】
void CQQHideWndDlg::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
if(nIDEvent == 1 )
{
POINT curPos;
GetCursorPos(&curPos);
CString str;
str.Format("Timer On(%d,%d)",curPos.x,curPos.y);
GetDlgItem(IDC_TIMER)->SetWindowText(str);
CRect tRect;
//获取此时窗口大小
GetWindowRect(tRect);
//膨胀tRect,以达到鼠标离开窗口边沿一定距离才触发事件
tRect.InflateRect(INFALTE,INFALTE);
if(!tRect.PtInRect(curPos)) //如果鼠标离开了这个区域
{
KillTimer(1); //关闭检测鼠标Timer
m_isSetTimer = FALSE;
GetDlgItem(IDC_TIMER)->SetWindowText("Timer Off");
m_hsFinished = FALSE;
m_hiding = TRUE;
SetTimer(2,HS_ELAPSE,NULL); //开启收缩过程
}
}
if(nIDEvent == 2)
{
if(m_hsFinished) //如果收缩或显示过程完毕则关闭Timer
KillTimer(2);
else
m_hiding ? DoHide() : DoShow();
}
CDialog::OnTimer(nIDEvent);
}
暂时不管OnTimer中的DoHide(); DoShow();
先来看看核心的函数之一的 FixMoving,该函数在OnMoving中被调用,FixMoving通过检测鼠标位置和窗口位置来决定窗口的收缩模式,并修正粘附边界时窗口的位置,从而达到像移动QQ时出现的效果。
【代码四】
void CQQHideWndDlg::FixMoving(UINT fwSide, LPRECT pRect)
{
POINT curPos;
GetCursorPos(&curPos);
INT screenHeight = GetSystemMetrics(SM_CYSCREEN);
INT screenWidth = GetSystemMetrics(SM_CXSCREEN);
INT height = pRect->bottom - pRect->top;
INT width = pRect->right - pRect->left;
if (curPos.y <= INTERVAL)
{ //粘附在上边
pRect->bottom = height - m_edgeHeight;
pRect->top = -m_edgeHeight;
m_hideMode = HM_TOP;
}
else if(curPos.y >= (screenHeight - INTERVAL - m_taskBarHeight))
{ //粘附在下边
pRect->top = screenHeight - m_taskBarHeight - height;
pRect->bottom = screenHeight - m_taskBarHeight;
m_hideMode = HM_BOTTOM;
}
else if (curPos.x < INTERVAL)
{ //粘附在左边
if(!m_isSizeChanged)
{
CRect tRect;
GetWindowRect(tRect);
m_oldWndHeight = tRect.Height();
}
pRect->right = width;
pRect->left = 0;
pRect->top = -m_edgeHeight;
pRect->bottom = screenHeight - m_taskBarHeight;
m_isSizeChanged = TRUE;
m_hideMode = HM_LEFT;
}
else if(curPos.x >= (screenWidth - INTERVAL))
{ //粘附在右边
if(!m_isSizeChanged)
{
CRect tRect;
GetWindowRect(tRect);
m_oldWndHeight = tRect.Height();
}
pRect->left = screenWidth - width;
pRect->right = screenWidth;
pRect->top = -m_edgeHeight;
pRect->bottom = screenHeight - m_taskBarHeight;
m_isSizeChanged = TRUE;
m_hideMode = HM_RIGHT;
}
else
{ //不粘附
if(m_isSizeChanged)
{ //如果收缩到两边,则拖出来后会变回原来大小
//在"拖动不显示窗口内容下"只有光栅变回原来大小
pRect->bottom = pRect->top + m_oldWndHeight;
m_isSizeChanged = FALSE;
}
if(m_isSetTimer)
{ //如果Timer开启了,则关闭之
if(KillTimer(1) == 1)
m_isSetTimer = FALSE;
}
m_hideMode = HM_NONE;
GetDlgItem(IDC_TIMER)->SetWindowText("Timer off");
}
}
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