128 строки
3.0 KiB
C++
128 строки
3.0 KiB
C++
// Copyright (c) Wiesław Šoltés. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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#include "StdAfx.h"
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#include "MyEdit.h"
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namespace controls
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{
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IMPLEMENT_DYNAMIC(CMyEdit, CEdit)
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CMyEdit::CMyEdit()
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{
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this->szToolTipText = _T("");
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this->bHaveToolTipText = false;
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}
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CMyEdit::~CMyEdit()
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{
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}
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void CMyEdit::PreSubclassWindow()
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{
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CEdit::PreSubclassWindow();
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EnableToolTips(TRUE);
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}
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BEGIN_MESSAGE_MAP(CMyEdit, CEdit)
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ON_NOTIFY_EX_RANGE(TTN_NEEDTEXTW, 0, 0xFFFF, OnToolTipText)
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ON_NOTIFY_EX_RANGE(TTN_NEEDTEXTA, 0, 0xFFFF, OnToolTipText)
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END_MESSAGE_MAP()
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void CMyEdit::SetTooltipText(CString szText)
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{
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this->szToolTipText = szText;
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this->bHaveToolTipText = true;
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}
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CString CMyEdit::GetTooltipText()
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{
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return this->szToolTipText;
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}
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void CMyEdit::DelTooltipText()
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{
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this->bHaveToolTipText = false;
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this->szToolTipText = _T("");
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}
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bool CMyEdit::HaveTooltipText()
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{
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return this->bHaveToolTipText;
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}
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INT_PTR CMyEdit::OnToolHitTest(CPoint point, TOOLINFO* pTI) const
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{
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CRect rcTemp;
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GetClientRect(rcTemp);
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if (!rcTemp.PtInRect(point))
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return -1;
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pTI->hwnd = m_hWnd;
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pTI->uId = 1;
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pTI->lpszText = LPSTR_TEXTCALLBACK;
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pTI->rect = rcTemp;
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return pTI->uId;
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// return CEdit::OnToolHitTest(point, pTI);
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}
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BOOL CMyEdit::OnToolTipText(UINT id, NMHDR *pNMHDR, LRESULT *pResult)
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{
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TOOLTIPTEXTA *pTTTA = (TOOLTIPTEXTA *)pNMHDR;
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TOOLTIPTEXTW *pTTTW = (TOOLTIPTEXTW *)pNMHDR;
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static CString szTipText;
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UINT_PTR nID = pNMHDR->idFrom;
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if (nID == 0)
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return FALSE;
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if (this->HaveTooltipText())
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szTipText = this->GetTooltipText();
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else
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GetWindowText(szTipText);
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// length of tooltips buffer
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static const int nMyTooltipsWidth = 4096;
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// check the tooltip text length
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if (szTipText.GetLength() > nMyTooltipsWidth)
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return FALSE;
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::SendMessage(pNMHDR->hwndFrom, TTM_SETMAXTIPWIDTH, 0, (LPARAM)nMyTooltipsWidth);
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TCHAR szBuff[nMyTooltipsWidth] = _T("");
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_stprintf_s(szBuff, _T("%s"), (LPCTSTR)szTipText);
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#ifndef _UNICODE
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if (pNMHDR->code == TTN_NEEDTEXTA)
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{
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pTTTA->lpszText = szBuff;
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}
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else
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{
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wchar_t szTmpBuff[nMyTooltipsWidth];
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_mbstowcsz(szTmpBuff, szBuff, szTipText.GetLength() + 1);
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pTTTW->lpszText = szTmpBuff;
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}
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#else
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if (pNMHDR->code == TTN_NEEDTEXTA)
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{
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char szTmpBuff[nMyTooltipsWidth];
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_wcstombsz(szTmpBuff, szBuff, szTipText.GetLength() + 1);
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pTTTA->lpszText = szTmpBuff;
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}
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else
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{
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pTTTW->lpszText = szBuff;
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}
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#endif
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*pResult = 0;
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return TRUE;
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}
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}
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