mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-09-14 09:10:14 +02:00
148 lines
4.5 KiB
C++
148 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: Mozilla-sample-code 1.0
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*
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* Copyright (c) 2002 Netscape Communications Corporation and
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* other contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this Mozilla sample software and associated documentation files
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* (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do so, subject to the
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* following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Contributor(s):
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* Adam Lock <adamlock@netscape.com>
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*
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* ***** END LICENSE BLOCK ***** */
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#include "stdafx.h"
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#include "BrowserToolTip.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CBrowserToolTip
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CBrowserToolTip::CBrowserToolTip()
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{
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}
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CBrowserToolTip::~CBrowserToolTip()
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{
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}
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BEGIN_MESSAGE_MAP(CBrowserToolTip, CWnd)
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//{{AFX_MSG_MAP(CBrowserToolTip)
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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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BOOL CBrowserToolTip::Create(CWnd *pParentWnd)
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{
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return CWnd::CreateEx(WS_EX_TOOLWINDOW,
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AfxRegisterWndClass(CS_SAVEBITS, NULL, GetSysColorBrush(COLOR_INFOBK), NULL),
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_T("ToolTip"), WS_POPUP | WS_BORDER, 0, 0, 1, 1, pParentWnd->GetSafeHwnd(), NULL);
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}
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/////////////////////////////////////////////////////////////////////////////
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// CBrowserToolTip message handlers
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void CBrowserToolTip::OnPaint()
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{
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CPaintDC dc(this); // device context for painting
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CRect rcClient;
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GetClientRect(&rcClient);
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// Draw tip text
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int oldBkMode = dc.SetBkMode(TRANSPARENT);
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COLORREF oldTextColor = dc.SetTextColor(GetSysColor(COLOR_INFOTEXT));
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HGDIOBJ oldFont = dc.SelectObject(GetStockObject(DEFAULT_GUI_FONT));
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dc.DrawText(m_szTipText, -1, rcClient, DT_SINGLELINE | DT_VCENTER | DT_CENTER);
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dc.SetBkMode(oldBkMode);
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dc.SetTextColor(oldTextColor);
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dc.SelectObject(oldFont);
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}
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BOOL CBrowserToolTip::PreCreateWindow(CREATESTRUCT& cs)
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{
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return CWnd::PreCreateWindow(cs);
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}
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void CBrowserToolTip::SetTipText(const CString &szTipText)
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{
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m_szTipText = szTipText;
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}
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void CBrowserToolTip::Show(CWnd *pOverWnd, long left, long top)
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{
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// Calculate the client window size
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CRect rcNewClient(0,0,0,0);
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CDC *pdc = GetDC();
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HGDIOBJ oldFont = pdc->SelectObject(GetStockObject(DEFAULT_GUI_FONT));
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rcNewClient.bottom = pdc->DrawText(m_szTipText, -1, rcNewClient,
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DT_SINGLELINE | DT_VCENTER | DT_CENTER | DT_CALCRECT);
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pdc->SelectObject(oldFont);
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ReleaseDC(pdc);
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rcNewClient.right += 8;
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rcNewClient.bottom += 8;
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// Adjust the tooltip to new size
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AdjustWindowRectEx(rcNewClient, GetWindowLong(m_hWnd, GWL_STYLE), FALSE, GetWindowLong(m_hWnd, GWL_EXSTYLE));
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// Adjust the left, top position of the tooltip
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CPoint ptTip(left, top);
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pOverWnd->ClientToScreen(&ptTip);
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// Make sure tip is below cursor
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POINT ptCursor;
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GetCursorPos(&ptCursor);
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long cyCursor = GetSystemMetrics(SM_CYCURSOR);
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if (ptTip.y < ptCursor.y + cyCursor)
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ptTip.y = ptCursor.y + cyCursor;
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// Make sure tip is fully visible
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RECT rcScreen;
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GetDesktopWindow()->GetClientRect(&rcScreen);
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if (ptTip.x < 0)
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ptTip.x = 0;
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else if (ptTip.x + rcNewClient.Width() > rcScreen.right)
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ptTip.x = rcScreen.right - rcNewClient.Width();
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if (ptTip.y < 0)
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ptTip.y = 0;
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else if (ptTip.y + rcNewClient.Height() > rcScreen.bottom)
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ptTip.y = rcScreen.bottom - rcNewClient.Height();
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// Position and show the tip
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SetWindowPos(&CWnd::wndTop, ptTip.x, ptTip.y, rcNewClient.Width(), rcNewClient.Height(),
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SWP_NOACTIVATE | SWP_SHOWWINDOW);
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}
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void CBrowserToolTip::Hide()
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{
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ShowWindow(SW_HIDE);
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}
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