// TortoiseGit - a Windows shell extension for easy version control

// Copyright (C) 2016, 2023 - TortoiseGit
// Copyright (C) 2003-2007,2008 - TortoiseSVN

// This program 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 2
// of the License, or (at your option) any later version.

// This program 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, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#pragma once

/**
 * \ingroup Utils
 * Hyperlink control
 */
class CHyperLink : public CStatic
{
public:
	CHyperLink();
	virtual ~CHyperLink();

public:
	enum UnderLineOptions
	{
		ulHover = -1,
		ulNone = 0,
		ulAlways = 1
	};

public:
	void		SetURL(CString strURL);
	CString		GetURL() const;

	void		SetColors(COLORREF crLinkColor, COLORREF crHoverColor = -1);
	COLORREF	GetLinkColor() const;
	COLORREF	GetHoverColor() const;

	void		SetUnderline(int nUnderline = ulHover);
	int			GetUnderline() const;

public:
	BOOL PreTranslateMessage(MSG* pMsg) override;
	BOOL DestroyWindow() override;
protected:
	void PreSubclassWindow() override;

protected:
	HINSTANCE	GotoURL(LPCWSTR url);
	void		SetDefaultCursor();

protected:
	COLORREF	m_crLinkColor;			///< Hyperlink color
	COLORREF	m_crHoverColor;			///< Hover color
	BOOL		m_bOverControl = FALSE;	///< cursor over control?
	int			m_nUnderline;			///< underline hyperlink?
	CString		m_strURL;				///< hyperlink URL
	CFont		m_UnderlineFont;		///< Font for underline display
	CFont		m_StdFont;				///< Standard font
	HCURSOR		m_hLinkCursor = nullptr;///< Cursor for hyperlink
	CToolTipCtrl m_ToolTip;				///< The tooltip
	UINT		m_nTimerID;

protected:
	afx_msg HBRUSH CtlColor(CDC* pDC, UINT nCtlColor);
	afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnTimer(UINT_PTR nIDEvent);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg void OnClicked();
	afx_msg void OnSysColorChange();
	DECLARE_MESSAGE_MAP()
};
