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/*
* $Id$
*
* (C) 2003-2006 Gabest
* (C) 2006-2010 see AUTHORS
*
* This file is part of mplayerc.
*
* Mplayerc is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Mplayerc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "stdafx.h"
#include "mplayerc.h"
#include "StaticLink.h"
// CStaticLink
COLORREF CStaticLink::g_colorUnvisited = RGB(0,0,255); // blue
COLORREF CStaticLink::g_colorVisited = RGB(128,0,128); // purple
HCURSOR CStaticLink::g_hCursorLink = NULL;
IMPLEMENT_DYNAMIC(CStaticLink, CStatic)
BEGIN_MESSAGE_MAP(CStaticLink, CStatic)
ON_WM_NCHITTEST()
ON_WM_CTLCOLOR_REFLECT()
ON_WM_LBUTTONDOWN()
ON_WM_SETCURSOR()
END_MESSAGE_MAP()
///////////////////
// Constructor sets default colors = blue/purple.
// bDeleteOnDestroy is used internally by PixieLib in CPixieDlg.
//
CStaticLink::CStaticLink(LPCTSTR lpText, BOOL bDeleteOnDestroy)
{
m_link = lpText; // link text (NULL ==> window text)
m_color = g_colorUnvisited; // not visited yet
m_bDeleteOnDestroy = bDeleteOnDestroy; // delete object with window?
}
//////////////////
// Normally, a static control does not get mouse events unless it has
// SS_NOTIFY. This achieves the same effect as SS_NOTIFY, but it's fewer
// lines of code and more reliable than turning on SS_NOTIFY in OnCtlColor
// because Windows doesn't send WM_CTLCOLOR to bitmap static controls.
//
LRESULT CStaticLink::OnNcHitTest(CPoint point)
{
return HTCLIENT;
}
//////////////////
// Handle reflected WM_CTLCOLOR to set custom control color.
// For a text control, use visited/unvisited colors and underline font.
// For non-text controls, do nothing. Also ensures SS_NOTIFY is on.
//
HBRUSH CStaticLink::CtlColor(CDC* pDC, UINT nCtlColor)
{
ASSERT(nCtlColor == CTLCOLOR_STATIC);
DWORD dwStyle = GetStyle();
HBRUSH hbr = NULL;
if ((dwStyle & 0xFF) <= SS_RIGHT)
{
// this is a text control: set up font and colors
if (!(HFONT)m_font)
{
// first time init: create font
LOGFONT lf;
GetFont()->GetObject(sizeof(lf), &lf);
lf.lfUnderline = TRUE;
m_font.CreateFontIndirect(&lf);
}
// use underline font and visited/unvisited colors
pDC->SelectObject(&m_font);
pDC->SetTextColor(m_color);
pDC->SetBkMode(TRANSPARENT);
// return hollow brush to preserve parent background color
hbr = (HBRUSH)::GetStockObject(HOLLOW_BRUSH);
}
return hbr;
}
/////////////////
// Handle mouse click: navigate link
//
void CStaticLink::OnLButtonDown(UINT nFlags, CPoint point)
{
if (m_link.IsEmpty())
{
// no link: try to load from resource string or window text
m_link.LoadString(GetDlgCtrlID()) || (GetWindowText(m_link),1);
if (m_link.IsEmpty())
return;
}
// Call ShellExecute to run the file.
// For an URL, this means opening it in the browser.
//
HINSTANCE h = m_link.Navigate();
if ((UINT)h > 32) // success!
{
m_color = g_colorVisited; // change color
Invalidate(); // repaint
}
else
{
MessageBeep(0); // unable to execute file!
TRACE(_T("*** WARNING: CStaticLink: unable to navigate link %s\n"),
(LPCTSTR)m_link);
}
}
//////////////////
// Set "hand" cursor to cue user that this is a link. If app has not set
// g_hCursorLink, then try to get the cursor from winhlp32.exe,
// resource 106, which is a pointing finger. This is a bit of a kludge,
// but it works.
//
BOOL CStaticLink::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
{
if (g_hCursorLink == NULL)
{
static BOOL bTriedOnce = FALSE;
if (!bTriedOnce)
{
CString windir;
GetWindowsDirectory(windir.GetBuffer(_MAX_PATH), _MAX_PATH);
windir.ReleaseBuffer();
windir += _T("\\winhlp32.exe");
HMODULE hModule = LoadLibrary(windir);
if (hModule)
{
g_hCursorLink =
CopyCursor(::LoadCursor(hModule, MAKEINTRESOURCE(106)));
}
FreeLibrary(hModule);
bTriedOnce = TRUE;
}
}
if (g_hCursorLink)
{
::SetCursor(g_hCursorLink);
return TRUE;
}
return FALSE;
}
//////////////////
// Normally, a control class is not destroyed when the window is;
// however, CPixieDlg creates static controls with "new" instead of
// as class members, so it's convenient to allow the option of destroying
// object with window. In applications where you want the object to be
// destroyed along with the window, you can call constructor with
// bDeleteOnDestroy=TRUE.
//
void CStaticLink::PostNcDestroy()
{
if (m_bDeleteOnDestroy)
delete this;
}
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