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124 lines
3.2 KiB
124 lines
3.2 KiB
/* |
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* Copyright (C) 2000 Brian Harris |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2, or (at your option) |
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* any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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#include "StdAfx.h" |
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#include "Tooltips.h" |
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// our tooltip window class |
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#include "MfcEmbed.h" |
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extern CMfcEmbedApp theApp; |
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BEGIN_MESSAGE_MAP(CKmToolTip, CWnd) |
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//{{AFX_MSG_MAP(CKmToolTip) |
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ON_WM_PAINT() |
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//}}AFX_MSG_MAP |
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END_MESSAGE_MAP() |
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CKmToolTip::CKmToolTip() { |
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m_pszWndClass = AfxRegisterWndClass(CS_SAVEBITS | CS_HREDRAW | CS_VREDRAW); |
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pszText = NULL; |
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NONCLIENTMETRICS ncm = {0}; |
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ncm.cbSize = sizeof(ncm); |
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SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,(PVOID)&ncm,FALSE); |
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m_pFont = CreateFontIndirect(&ncm.lfStatusFont); |
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} |
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void CKmToolTip::Create(CWnd *pWnd) { |
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CWnd::Create(m_pszWndClass, NULL, WS_CHILD | WS_BORDER, |
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CRect(10,10,150,50), pWnd, NULL, NULL); |
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} |
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CKmToolTip::~CKmToolTip() { |
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DestroyWindow(); |
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UnregisterClass(m_pszWndClass, theApp.m_hInstance); |
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DeleteObject(m_pFont); |
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delete pszText; |
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} |
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void CKmToolTip::Hide() { |
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ShowWindow(SW_HIDE); |
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delete pszText; |
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pszText = NULL; |
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} |
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void CKmToolTip::Show(const TCHAR *text, int x, int y) { |
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delete pszText; |
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pszText = _tcsdup(text); |
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// measure the size of the text |
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CDC *DC = GetWindowDC(); |
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int nSavedDC = DC->SaveDC(); |
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DC->SelectObject(m_pFont); |
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CRect rect; |
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rect.top = 0; |
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rect.bottom = 0; |
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rect.left = 0; |
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rect.right = 300; // max width of the tooltip |
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DC->DrawText(text, rect, DT_CALCRECT | DT_WORDBREAK | DT_NOPREFIX); |
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DC->RestoreDC(nSavedDC); |
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// add a bit of padding on the sides |
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int width = rect.Width() + 10; |
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int height = rect.Height() +5; |
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// keep the tooltip from running off the window |
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CWnd *pWndParent = GetParent(); |
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pWndParent->GetWindowRect(&rect); |
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pWndParent->ScreenToClient(&rect); |
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if ( x + width > rect.right) |
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x = rect.right - width; |
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if (y + height > rect.bottom) |
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y = rect.bottom - height; |
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SetWindowPos(NULL, x, y, width, height, SWP_NOZORDER /* | SWP_DRAWFRAME*/); |
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ShowWindow(SW_SHOW); |
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} |
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void CKmToolTip::OnPaint() { |
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CPaintDC DC(this); |
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int nSavedDC = DC.SaveDC(); |
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// Draw background |
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COLORREF clrBackground = RGB(255, 255, 255); |
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clrBackground = ::GetSysColor(COLOR_INFOBK); |
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CRect ClientRect; |
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GetClientRect(ClientRect); |
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DC.Rectangle(ClientRect); |
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ClientRect.DeflateRect(1,1,1,1); |
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DC.FillSolidRect(ClientRect, clrBackground); |
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// Draw text |
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DC.SelectObject(m_pFont); |
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DC.SetTextColor(::GetSysColor(COLOR_INFOTEXT)); |
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DC.SetBkMode(TRANSPARENT); |
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ClientRect.left += 3; |
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DC.DrawText(pszText, -1, ClientRect, DT_WORDBREAK | DT_NOPREFIX); |
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DC.RestoreDC(nSavedDC); |
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} |
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