Click here to Skip to main content
15,885,665 members
Articles / Desktop Programming / WTL

Hyperlink Text View Control

Rate me:
Please Sign up or sign in to vote.
4.50/5 (4 votes)
20 Jun 20021 min read 124K   2.2K   37  
Control that shows text and automatically finds and highlights hyperlinks (like http://, www. etc.) so that user can click on them.
// MainFrm.h : interface of the CMainFrame class
//
/////////////////////////////////////////////////////////////////////////////

#pragma once

class CMainFrame : public CFrameWindowImpl<CMainFrame>, public CUpdateUI<CMainFrame>,
		public CMessageFilter, public CIdleHandler
{
public:
	DECLARE_FRAME_WND_CLASS(NULL, IDR_MAINFRAME)

	HyperTextControl::CHyperTextCtrl m_view;
	CCommandBarCtrl m_CmdBar;

	virtual BOOL PreTranslateMessage(MSG* pMsg)
	{
		if(CFrameWindowImpl<CMainFrame>::PreTranslateMessage(pMsg))
			return TRUE;

		return m_view.PreTranslateMessage(pMsg);
	}

	virtual BOOL OnIdle()
	{
		UIUpdateToolBar();
		return FALSE;
	}

	BEGIN_UPDATE_UI_MAP(CMainFrame)
		UPDATE_ELEMENT(ID_VIEW_TOOLBAR, UPDUI_MENUPOPUP)
		UPDATE_ELEMENT(ID_VIEW_STATUS_BAR, UPDUI_MENUPOPUP)
	END_UPDATE_UI_MAP()

	BEGIN_MSG_MAP(CMainFrame)
		MESSAGE_HANDLER(WM_CREATE, OnCreate)
		COMMAND_ID_HANDLER(ID_APP_EXIT, OnFileExit)
		COMMAND_ID_HANDLER(ID_FILE_NEW, OnFileNew)
		COMMAND_ID_HANDLER(ID_VIEW_TOOLBAR, OnViewToolBar)
		COMMAND_ID_HANDLER(ID_VIEW_STATUS_BAR, OnViewStatusBar)
		COMMAND_ID_HANDLER(ID_APP_ABOUT, OnAppAbout)
		CHAIN_MSG_MAP(CUpdateUI<CMainFrame>)
		CHAIN_MSG_MAP(CFrameWindowImpl<CMainFrame>)
	END_MSG_MAP()

// Handler prototypes (uncomment arguments if needed):
//	LRESULT MessageHandler(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
//	LRESULT CommandHandler(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
//	LRESULT NotifyHandler(int /*idCtrl*/, LPNMHDR /*pnmh*/, BOOL& /*bHandled*/)

	LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		// create command bar window
		HWND hWndCmdBar = m_CmdBar.Create(m_hWnd, rcDefault, NULL, ATL_SIMPLE_CMDBAR_PANE_STYLE);
		// attach menu
		m_CmdBar.AttachMenu(GetMenu());
		// load command bar images
		m_CmdBar.LoadImages(IDR_MAINFRAME);
		// remove old menu
		SetMenu(NULL);

		HWND hWndToolBar = CreateSimpleToolBarCtrl(m_hWnd, IDR_MAINFRAME, FALSE, ATL_SIMPLE_TOOLBAR_PANE_STYLE);

		CreateSimpleReBar(ATL_SIMPLE_REBAR_NOBORDER_STYLE);
		AddSimpleReBarBand(hWndCmdBar);
		AddSimpleReBarBand(hWndToolBar, NULL, TRUE);

		CreateSimpleStatusBar();

		m_hWndClient = m_view.Create(m_hWnd, rcDefault, NULL, 
			WS_VISIBLE | WS_CHILD | WS_BORDER | 
			HTC_WORDWRAP | HTC_AUTO_SCROLL_BARS | HTC_UNDERLINE_HOVER | HTC_ENABLE_TOOLTIPS);

		m_view.SetWindowText(
			"http://www.codeproject.com - community of Windows developers specialising in C++, MFC, C# and .NET sharing source code, articles and tutorials.  \n\n"
			"http://msdn.microsoft.com/ - magazines, libraries, developer centers, downloads, and other resources.  \n\n"
			"http://www.mvps.org/ - contains sites, topical information, FAQs, and news about Microsoft's Most Valuable Professional program.  \n\n"
			"http://plaza27.mbn.or.jp/~satomii/design/ - chiefly about how to control an IME using IMM APIs.  \n\n"
			"http://www.mvps.org/win32/ - offers samples on user/group administration, security, process termination, user rights assignment, and more.  \n\n"
			"http://www.microsoft.com/winhec/ - designed to help engineers, driver developers, and product designers prepare for coming changes in the hardware industry. \n\n"
			"\n"
		);

		m_view.AppendHyperLink("Launch note pad\n", "Click here to open notepad", "notepad.exe", "");
		m_view.AppendText("Send mail to ");
		m_view.AppendHyperLink("author\n\n", "Click here to send e-mail", "mailto:maq@mail.ru","");
		m_view.AppendHyperLink("Close this window\n", "Click here to close window", m_hWnd, WM_CLOSE, 0, 0);

		CFont fnt;
		fnt.CreatePointFont(90, "Tahoma");
		m_view.SetFont(fnt.Detach());

		m_view.SetLinkCursor(LoadCursor(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDC_HAND)));
		//m_view.SetLinkColor(RGB(0,130,0));
		//m_view.SetHoverColor(RGB(0,30,0)); 

		UIAddToolBar(hWndToolBar);
		UISetCheck(ID_VIEW_TOOLBAR, 1);
		UISetCheck(ID_VIEW_STATUS_BAR, 1);

		// register object for message filtering and idle updates
		CMessageLoop* pLoop = _Module.GetMessageLoop();
		ATLASSERT(pLoop != NULL);
		pLoop->AddMessageFilter(this);
		pLoop->AddIdleHandler(this);

		return 0;
	}

	LRESULT OnFileExit(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		PostMessage(WM_CLOSE);
		return 0;
	}

	LRESULT OnFileNew(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		// TODO: add code to initialize document

		return 0;
	}

	LRESULT OnViewToolBar(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		static BOOL bVisible = TRUE;	// initially visible
		bVisible = !bVisible;
		CReBarCtrl rebar = m_hWndToolBar;
		int nBandIndex = rebar.IdToIndex(ATL_IDW_BAND_FIRST + 1);	// toolbar is 2nd added band
		rebar.ShowBand(nBandIndex, bVisible);
		UISetCheck(ID_VIEW_TOOLBAR, bVisible);
		UpdateLayout();
		return 0;
	}

	LRESULT OnViewStatusBar(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		BOOL bVisible = !::IsWindowVisible(m_hWndStatusBar);
		::ShowWindow(m_hWndStatusBar, bVisible ? SW_SHOWNOACTIVATE : SW_HIDE);
		UISetCheck(ID_VIEW_STATUS_BAR, bVisible);
		UpdateLayout();
		return 0;
	}

	LRESULT OnAppAbout(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		CAboutDlg dlg;
		dlg.DoModal();
		return 0;
	}
};

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here


Written By
Web Developer
Russian Federation Russian Federation
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

Comments and Discussions