Custom Captions (Including Multi-line Captions)

// Class providing text attributes for a window caption.
// Text attributes are active and inactive fonts and
// active and inactive colours.
//
// Used by custom caption class CCaption and its derived classes.
//
//	Author: Dave Lorde	(dlorde@cix.compulink.co.uk)
//
//          Copyright January 2000
//
#include "StdAfx.h"
#include "CaptionTextAttributes.h"

CSystemCaptionFont CCaptionTextAttributes::m_SystemFont;

CCaptionTextAttributes::CCaptionTextAttributes()
	:m_ActiveColor(-1), m_InactiveColor(-1)
{
}

CCaptionTextAttributes::CCaptionTextAttributes(const CCaptionTextAttributes& cta)
	:m_ActiveColor(cta.m_ActiveColor), m_InactiveColor(cta.m_InactiveColor)
{
	// Need const casts because MS did not declare GetLogFont() const
	//
	LOGFONT lf;
	const_cast<CFont&>(cta.m_ActiveFont).GetLogFont(&lf);
	SetActiveFont(lf);

	const_cast<CFont&>(cta.m_InactiveFont).GetLogFont(&lf);
	SetInactiveFont(lf);
}

CCaptionTextAttributes::~CCaptionTextAttributes()
{
	if (m_ActiveFont.m_hObject)
		m_ActiveFont.DeleteObject();
	
	if (m_InactiveFont.m_hObject)
		m_InactiveFont.DeleteObject();
}

COLORREF CCaptionTextAttributes::GetActiveColor() const
{
	return m_ActiveColor == -1 ? GetSysColor(COLOR_CAPTIONTEXT) : m_ActiveColor;
}

COLORREF CCaptionTextAttributes::GetInactiveColor() const
{
	return m_InactiveColor == -1 ? GetSysColor(COLOR_INACTIVECAPTIONTEXT) : m_InactiveColor;
}

CFont* CCaptionTextAttributes::GetActiveFont()
{
	return (!m_ActiveFont.m_hObject) ? GetSystemFont() : &m_ActiveFont;
}

CFont* CCaptionTextAttributes::GetInactiveFont()
{
	return (!m_InactiveFont.m_hObject) ? GetSystemFont() : &m_InactiveFont;
}

CFont* CCaptionTextAttributes::GetSystemFont()
{
	return m_SystemFont();
}

void CCaptionTextAttributes::UseSystemActiveColor()
{
	m_ActiveColor = -1;
}

void CCaptionTextAttributes::UseSystemInactiveColor()
{
	m_InactiveColor = -1;
}

void CCaptionTextAttributes::UseSystemColors()
{
	UseSystemActiveColor();
	UseSystemInactiveColor();
}

void CCaptionTextAttributes::UseSystemActiveFont()
{
	if (m_ActiveFont.m_hObject)
		m_ActiveFont.DeleteObject();
}

void CCaptionTextAttributes::UseSystemInactiveFont()
{
	if (m_InactiveFont.m_hObject)
		m_InactiveFont.DeleteObject();
}

void CCaptionTextAttributes::UseSystemFonts()
{
	UseSystemActiveFont();
	UseSystemInactiveFont();
}

void CCaptionTextAttributes::SetActiveColor(COLORREF activeColor)
{
	m_ActiveColor = activeColor;
}

void CCaptionTextAttributes::SetInactiveColor(COLORREF inactiveColor)
{
	m_InactiveColor = inactiveColor;
}

void CCaptionTextAttributes::SetCustomColors(COLORREF activeColor, COLORREF	inactiveColor)
{
	SetActiveColor(activeColor);
	SetInactiveColor(inactiveColor);
}

void CCaptionTextAttributes::SetActiveFont(CFont& font)
{
	LOGFONT lf;
	font.GetLogFont(&lf);
	SetActiveFont(lf);
}

void CCaptionTextAttributes::SetActiveFont(const LOGFONT& lf)
{
	if (m_ActiveFont.m_hObject)
		m_ActiveFont.DeleteObject();

	m_ActiveFont.CreateFontIndirect(&lf);
}

void CCaptionTextAttributes::SetInactiveFont(CFont& font)
{
	LOGFONT lf;
	font.GetLogFont(&lf);
	SetInactiveFont(lf);
}

void CCaptionTextAttributes::SetInactiveFont(const LOGFONT& lf)
{
	if (m_InactiveFont.m_hObject)
		m_InactiveFont.DeleteObject();

	m_InactiveFont.CreateFontIndirect(&lf);
}