// ToolTip.cpp : implementation file
//
#include "stdafx.h"
#include "CeToolTip.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CeToolTip
CeToolTip::CeToolTip()
{
lpWndCls = AfxRegisterWndClass(0);
//Defaults
m_bMouseIn = false;
m_bStuck = false;
m_iWidth = 100;
m_iHeight = 60;
m_clrBkColor = RGB(249,254,188); //light yellow
m_clrFrameColor = RGB(0,0,255); //blue
m_clrTextColor = RGB(0,0,0); //black
m_iFontHeight = 14;
m_strFontName = _T("Arial");
pCurrwnd = NULL;
}
CeToolTip::~CeToolTip()
{
BTOOLINFO *stToolInfo;
CWnd *pWnd;
for(POSITION pos = m_ToolPtr.GetStartPosition(); pos != NULL;)
{
m_ToolPtr.GetNextAssoc(pos, (void *&)pWnd, (void*&) stToolInfo);
delete stToolInfo;
}
m_ToolPtr.RemoveAll();
}
BEGIN_MESSAGE_MAP(CeToolTip, CWnd)
//{{AFX_MSG_MAP(CeToolTip)
ON_WM_PAINT()
ON_WM_CREATE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CeToolTip message handlers
BOOL CeToolTip::Create(CWnd* pParentWnd)
{
BOOL bRet = CWnd::CreateEx(NULL, lpWndCls, NULL,
WS_POPUP, 0, 0, m_iWidth, m_iHeight,
pParentWnd->GetSafeHwnd(), NULL, NULL);
m_hParentWnd = pParentWnd->GetSafeHwnd();
if(bRet)
SetOwner(pParentWnd);
return bRet;
}
void CeToolTip::OnPaint()
{
CPaintDC dc(this); // device context for painting
CRect rectCl;
GetClientRect(&rectCl);
CRgn rgnComb;
rgnComb.CreateRectRgn(rectCl.left+10,rectCl.top,rectCl.right,rectCl.bottom);
int iRetComb = rgnComb.CombineRgn(&rgnTri, &rgn, RGN_OR);
if(iRetComb==ERROR)
{
AfxMessageBox("ERROR in Combining Region");
return;
}
CBrush pBrush;
pBrush.CreateSolidBrush(m_clrFrameColor);
CBrush pBrush1;
pBrush1.CreateSolidBrush(m_clrBkColor);
dc.FillRgn( &rgnComb, &pBrush1);
dc.FrameRgn(&rgnComb, &pBrush, 2, 1);
dc.SetBkMode(TRANSPARENT);
dc.SetTextColor(m_clrTextColor);
CFont *pFont = dc.SelectObject(&m_fontText);
//dc.Rectangle(&m_RectText);
CSize czTextWidth = dc.GetTextExtent(m_strText);
if( czTextWidth.cx < m_RectText.Width())
dc.DrawText(m_strText, m_RectText, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
else
dc.DrawText(m_strText, m_RectText, DT_CENTER | DT_WORDBREAK);
dc.SelectObject(pFont);
}
int CeToolTip::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CWnd::OnCreate(lpCreateStruct) == -1)
return -1;
CRect rectCl;
GetClientRect(&rectCl);
int x=0, y=0;
CRect rectTemp;
rectTemp = rectCl;
rectTemp.left = rectTemp.left + 10;
x = (int)( (float)((float)rectTemp.Width() / 2.0) / 1.41421);
y = (int)( (float)((float)rectTemp.Height() / 2.0) / 1.41421);
m_RectText.top = ( (rectTemp.Height() / 2) - y);
m_RectText.left = ( (rectTemp.Width() / 2) - x) + 10;
m_RectText.right = ( (rectTemp.Width() / 2) + x) + 10;
m_RectText.bottom = ( (rectTemp.Height() / 2) + y);
rgn.m_hObject = NULL;
rgnTri.m_hObject = NULL;
rgnComb.m_hObject = NULL;
BOOL bRegRet = rgn.CreateEllipticRgn(rectCl.left+10,rectCl.top,rectCl.right,rectCl.bottom);
CPoint ptTri[3];
ptTri[0].x = rectCl.left;
ptTri[0].y = (rectCl.bottom / 2) - 10;
ptTri[1].x = rectCl.left + 15;
ptTri[1].y = (rectCl.bottom / 2) - 5;
ptTri[2].x = rectCl.left + 15;
ptTri[2].y = (rectCl.bottom / 2) + 5;
ptTri[3].x = rectCl.left;
ptTri[3].y = (rectCl.bottom / 2) - 10;
BOOL bRegTriRet = rgnTri.CreatePolygonRgn(ptTri, 3, ALTERNATE);
rgnComb.CreateRectRgn(rectCl.left+10,rectCl.top,rectCl.right,rectCl.bottom);
int iRetComb = rgnComb.CombineRgn(&rgnTri, &rgn, RGN_OR);
if(iRetComb == ERROR)
{
AfxMessageBox("ERROR in Combining Region");
return -1;
}
int bRgnWnd = SetWindowRgn(rgnComb.operator HRGN( ), TRUE);
m_fontText.CreateFont(m_iFontHeight, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,m_strFontName);
return 0;
}
void CeToolTip::RelayEvent(LPMSG lpMsg)
{
switch(lpMsg->message)
{
case WM_KEYDOWN:
if(IsWindowVisible())
{
ShowWindow(SW_HIDE);
}
break;
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
if(IsWindowVisible())
{
ShowWindow(SW_HIDE);
}
break;
case WM_MOUSEMOVE:
{
CWnd *pFocusWnd = AfxGetApp()->m_pMainWnd->GetFocus();
if(pFocusWnd==NULL)
break;
CWnd* pWnd = CWnd::FromHandle(lpMsg->hwnd);
HWND hWndTemp = ::GetParent(lpMsg->hwnd);
CPoint pt;
pt.x = lpMsg->pt.x;
pt.y = lpMsg->pt.y;
BTOOLINFO *stToolInfo;
CWnd *pBToolWnd;
for(POSITION pos = m_ToolPtr.GetStartPosition(); pos != NULL;)
{
m_ToolPtr.GetNextAssoc(pos, (void *&)pBToolWnd, (void*&) stToolInfo);
if(!m_bMouseIn)
{
if(lpMsg->hwnd == stToolInfo->hwndTool)
{
if(m_bStuck && IsWindowVisible())
{
SetWindowPos(&wndTop,pt.x,pt.y,m_iWidth,m_iHeight,SWP_NOACTIVATE);
ShowWindow(SW_SHOWNOACTIVATE);
}
m_bMouseIn = true;
m_clrTextColor = stToolInfo->clrToolTextClr;
m_strText = stToolInfo->strToolText;
SetWindowPos(&wndTop,pt.x,pt.y,m_iWidth,m_iHeight,SWP_NOACTIVATE);
ShowWindow(SW_SHOWNOACTIVATE);
pCurrwnd = stToolInfo->hwndTool;
break;
}
}
else
{
CRect rect;
::GetWindowRect(pCurrwnd, &rect);
if(m_bStuck && IsWindowVisible())
{
SetWindowPos(&wndTop,pt.x,pt.y,m_iWidth,m_iHeight,SWP_NOACTIVATE);
ShowWindow(SW_SHOWNOACTIVATE);
}
CWnd* pWnd = CWnd::FromHandle(lpMsg->hwnd);
CWnd *WndPt = pWnd->WindowFromPoint(lpMsg->pt);
if(WndPt->GetSafeHwnd() != pCurrwnd)
{
m_bMouseIn = false;
ShowWindow(SW_HIDE);
}
break;
}
}
}
break; //WM_MOUSEMOVE
}
}
void CeToolTip::AddTool(CWnd *pWnd, CString strText, COLORREF clrTextColor)
{
BTOOLINFO *stToolInfo;
if(!m_ToolPtr.Lookup( pWnd, ( void*& ) stToolInfo))
{
stToolInfo = new BTOOLINFO;
stToolInfo->hwndTool = pWnd->GetSafeHwnd();
stToolInfo->strToolText = strText;
if(clrTextColor==NULL)
stToolInfo->clrToolTextClr = m_clrTextColor;
else
stToolInfo->clrToolTextClr = clrTextColor;
m_ToolPtr.SetAt(pWnd, stToolInfo);
}
}