ctipwnd.cpp

日本的开源编辑器源码

//	$Id: CTipWnd.cpp,v 1.10 2002/06/30 17:25:46 Administrator Exp $
/*!	@file
	@brief ツールチップ

	@author Norio Nakatani
	@date 1998/10/30 新規作成
	$Revision: 1.10 $
*/
/*
	Copyright (C) 1998-2001, Norio Nakatani
	Copyright (C) 2001, asa-o
	Copyright (C) 2002, GAE

	This source code is designed for sakura editor.
	Please contact the copyright holder to use this code for other purpose.
*/

#include "CTipWnd.h"
#include "CShareData.h"


/* CTipWndクラス デストラクタ */
CTipWnd::CTipWnd()
{
	strcat( m_szClassInheritances, "::CTipWnd" );
	m_pszClassName = "CTipWnd";
	m_KeyWasHit = FALSE;	/* キーがヒットしたか */
	return;
}



/* CTipWndクラス デストラクタ */
CTipWnd::~CTipWnd()
{
	if( NULL != m_hFont ){
		::DeleteObject( m_hFont );
		m_hFont = NULL;
	}
	return;
}



/* 初期化 */
void CTipWnd::Create( HINSTANCE hInstance, HWND hwndParent )
{

	/* 初期化 */
	m_hInstance = hInstance;	/* アプリケーションインスタンスのハンドル */
	m_hwndParent = hwndParent;	/* オーナーウィンドウのハンドル */

	/* ウィンドウクラス作成 */
	ATOM atWork;
	atWork = RegisterWC(
		/* WNDCLASS用 */
		NULL,// Handle to the class icon.
		NULL,	//Handle to a small icon
		::LoadCursor( NULL, IDC_ARROW ),// Handle to the class cursor.
		(HBRUSH)/*NULL*/(COLOR_INFOBK + 1),// Handle to the class background brush.
		NULL/*MAKEINTRESOURCE( MYDOCUMENT )*/,// Pointer to a null-terminated character string that specifies the resource name of the class menu, as the name appears in the resource file.
		m_pszClassName// Pointer to a null-terminated string or is an atom.
	);

	/* 基底クラスメンバ呼び出し */
	CWnd::Create(
		/* CreateWindowEx()用 */
		WS_EX_TOOLWINDOW, // extended window style	// 2002/2/3 GAE
		m_pszClassName,	// Pointer to a null-terminated string or is an atom.
		m_pszClassName, // pointer to window name
		WS_VISIBLE | WS_POPUP | WS_CLIPCHILDREN | WS_BORDER, // window style
		CW_USEDEFAULT, // horizontal position of window
		0, // vertical position of window
		CW_USEDEFAULT, // window width
		0, // window height
		NULL // handle to menu, or child-window identifier
	);

	if( NULL != m_hFont ){
		::DeleteObject( m_hFont );
		m_hFont = NULL;
	}

	m_hFont = ::CreateFontIndirect( &(CShareData::getInstance()->GetShareData()->m_Common.m_lf_kh) );
	return;
}


/* Tipを表示 */
void CTipWnd::Show( int nX, int nY, char* szText, RECT* pRect )
{
	HDC		hdc;
	RECT	rc;
	char*	pszInfo;

	if( NULL != szText ){
		m_cInfo.SetData( szText, strlen( szText ) );
	}
	pszInfo = m_cInfo.GetPtr();

	hdc = ::GetDC( m_hWnd );

	// サイズを計算済み	2001/06/19 asa-o
	if(pRect != NULL)
	{
		rc = *pRect;
	}
	else
	{
		/* ウィンドウのサイズを決める */
		ComputeWindowSize( hdc, m_hFont, pszInfo, &rc );
	}

	::ReleaseDC( m_hWnd, hdc );

	::MoveWindow( m_hWnd, nX, nY, rc.right + 8, rc.bottom + 8/*nHeight*/, TRUE );
	::ShowWindow( m_hWnd, SW_SHOWNA );
	return;

}

/* ウィンドウのサイズを決める */
void CTipWnd::ComputeWindowSize(
		HDC			hdc,
		HFONT		hFont,
		const char*	pszText,
		RECT*		pRect
)
{
	int		nTextLength;
	int		nCurMaxWidth;
	int		nCurHeight;
	int		nBgn;
	RECT	rc;
	HFONT	hFontOld;
	int		i;
	int		nCharChars;

	hFontOld = (HFONT)::SelectObject( hdc, hFont );

	nCurMaxWidth = 0;
	nCurHeight = 0;
	nTextLength = strlen( pszText );
	nBgn = 0;
	for( i = 0; i <= nTextLength; ++i ){
		nCharChars = CMemory::MemCharNext( (const char *)pszText, nTextLength, (const char *)&pszText[i] ) - (const char*)&pszText[i];
		if( ( 1 == nCharChars && '\\' == pszText[i] && 'n' == pszText[i + 1]) || '\0' == pszText[i] ){
			if( 0 < i - nBgn ){
				char*	pszWork;
				pszWork = new char[i - nBgn + 1];
				memcpy( pszWork, &pszText[nBgn], i - nBgn );
				pszWork[i - nBgn] = '\0';

				rc.left = 0;
				rc.top = 0;
				rc.right = ::GetSystemMetrics( SM_CXSCREEN );
				rc.bottom = 0;
				::DrawText( hdc, pszWork, strlen(pszWork), &rc,
					DT_CALCRECT | DT_EXTERNALLEADING | DT_EXPANDTABS | DT_WORDBREAK /*| DT_TABSTOP | (0x0000ff00 & ( 4 << 8 ))*/
				);
				delete [] pszWork;
				if( nCurMaxWidth < rc.right ){
					nCurMaxWidth = rc.right;
				}
			}else{
				::DrawText( hdc, " ", 1, &rc,
					DT_CALCRECT | DT_EXTERNALLEADING | DT_EXPANDTABS | DT_WORDBREAK /*| DT_TABSTOP | (0x0000ff00 & ( 4 << 8 ))*/
				);
			}
			nCurHeight += rc.bottom;

			nBgn = i + 2;
		}
		if( 2 == nCharChars ){
			++i;
		}
	}

	pRect->left = 0;
	pRect->top = 0;
	pRect->right = nCurMaxWidth + 4;
	pRect->bottom = nCurHeight + 2;

	::SelectObject( hdc, hFontOld );

	return;


}


/* ウィンドウのテキストを表示 */
void CTipWnd::DrawTipText(
		HDC			hdc,
		HFONT		hFont,
		const char*	pszText
)
{
	int			nTextLength;
	int			nCurMaxWidth;
	int			nCurHeight;
	int			nBgn;
	RECT		rc;
	HFONT		hFontOld;
	int			i;
	int			nBkMode_Old;
	COLORREF	colText_Old;
	int			nCharChars;

	nBkMode_Old = ::SetBkMode( hdc, TRANSPARENT );
	hFontOld = (HFONT)::SelectObject( hdc, hFont );
	colText_Old = ::SetTextColor( hdc, ::GetSysColor( COLOR_INFOTEXT ) );

	nCurMaxWidth = 0;
	nCurHeight = 0;
	nTextLength = strlen( pszText );
	nBgn = 0;
	for( i = 0; i <= nTextLength; ++i ){
//		nCharChars = &pszText[i] - CMemory::MemCharPrev( pszText, nTextLength, &pszText[i] );
		nCharChars = CMemory::MemCharNext( (const char *)pszText, nTextLength, (const char *)&pszText[i] ) - (const char*)&pszText[i];
		if( ( 1 == nCharChars && '\\' == pszText[i] && 'n' == pszText[i + 1]) || '\0' == pszText[i] ){
			if( 0 < i - nBgn ){
				char*	pszWork;
				pszWork = new char[i - nBgn + 1];
				memcpy( pszWork, &pszText[nBgn], i - nBgn );
				pszWork[i - nBgn] = '\0';

				rc.left = 4;
				rc.top = 4 + nCurHeight;
				rc.right = ::GetSystemMetrics( SM_CXSCREEN );
				rc.bottom = rc.top + 200;
				nCurHeight += ::DrawText( hdc, pszWork, strlen(pszWork), &rc,
					DT_EXTERNALLEADING | DT_EXPANDTABS | DT_WORDBREAK /*| DT_TABSTOP | (0x0000ff00 & ( 4 << 8 ))*/
				);
				delete [] pszWork;
				if( nCurMaxWidth < rc.right ){
					nCurMaxWidth = rc.right;
				}
			}else{
				rc.left = 4;
				rc.top = 4 + nCurHeight;
				rc.right = ::GetSystemMetrics( SM_CXSCREEN );
				rc.bottom = rc.top + 200;
				nCurHeight += ::DrawText( hdc, " ", 1, &rc,
					DT_EXTERNALLEADING | DT_EXPANDTABS | DT_WORDBREAK /*| DT_TABSTOP | (0x0000ff00 & ( 4 << 8 ))*/
				);
			}

			nBgn = i + 2;
		}
		if( 2 == nCharChars ){
			++i;
		}
	}


	::SetTextColor( hdc, colText_Old );
	::SelectObject( hdc, hFontOld );
	::SetBkMode( hdc, nBkMode_Old );

	return;


}



/* Tipを消す */
void CTipWnd::Hide( void )
{
	::ShowWindow( m_hWnd, SW_HIDE );
//	::DestroyWindow( m_hWnd );
	return;
}




/* 描画処理 */
LRESULT CTipWnd::OnPaint( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM l_Param )
{
	HDC			hdc;
	PAINTSTRUCT	ps;
	RECT		rc;
	char*		pszText;
//	int			nTextLen;

	hdc = ::BeginPaint(	hwnd, &ps );
	pszText = m_cInfo.GetPtr();
	::GetClientRect( hwnd, &rc );
	/* ウィンドウのテキストを表示 */
	DrawTipText( hdc, m_hFont, pszText );

	::EndPaint(	hwnd, &ps );
	return 0L;


}


// 2001/06/19 Start by asa-o: ウィンドウのサイズを得る
void CTipWnd::GetWindowSize(LPRECT pRect)
{
	HDC			hdc;
	const char*	pszText;

	hdc = ::GetDC( m_hWnd );

	pszText = m_cInfo.GetPtr();

	// ウィンドウのサイズを得る
	ComputeWindowSize( hdc, m_hFont, pszText , pRect );
}

// 2001/06/19 End


/*[EOF]*/