cwnd.cpp

日本的开源编辑器源码

//	$Id: CWnd.cpp,v 1.8 2003/09/19 16:41:19 genta Exp $
/*!	@file
	ウィンドウの基本クラス

	@author Norio Nakatani
	@date 2000/01/11 新規作成
	$Revision: 1.8 $
*/
/*
	Copyright (C) 2000-2001, Norio Nakatani
	Copyright (C) 2003, MIK

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

CWnd* gm_pCWnd = NULL;


#ifndef	WM_MOUSEWHEEL
	#define WM_MOUSEWHEEL	0x020A
#endif


/* CWndウィンドウメッセージのコールバック関数 */
LRESULT CALLBACK CWndProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
	CWnd* pCWnd;
//	CREATESTRUCT* lpcs;
	if( NULL != gm_pCWnd
	 && NULL == ::GetWindowLongPtr( hwnd, GWLP_USERDATA ) // Modified by KEITA for WIN64 2003.9.6
	){
		pCWnd = gm_pCWnd;
		/* クラスオブジェクトのポインタを拡張ウィンドウメモリに格納しておく */
		// Modified by KEITA for WIN64 2003.9.6
		::SetWindowLongPtr( hwnd, GWLP_USERDATA, (LONG_PTR)pCWnd );
		pCWnd->m_hWnd = hwnd;
		gm_pCWnd = NULL;
	}else{
		/* クラスオブジェクトのポインタを拡張ウィンドウメモリから取り出す */
		// Modified by KEITA for WIN64 2003.9.6
		pCWnd = (CWnd*)::GetWindowLongPtr( hwnd, GWLP_USERDATA );
	}
	if( NULL != pCWnd ){
		/* クラスオブジェクトのポインタを使ってメッセージを配送する */
		return pCWnd->DispatchEvent( hwnd, uMsg, wParam, lParam );
	}else{
		/* ふつうはここには来ない */
		return ::DefWindowProc( hwnd, uMsg, wParam, lParam );
	}
}


CWnd::CWnd()
{
	strcpy( m_szClassInheritances, "CWnd" );
	m_hInstance = NULL;	/* アプリケーションインスタンスのハンドル */
	m_hwndParent = NULL;	/* オーナーウィンドウのハンドル */
	m_hWnd = NULL;			/* このウィンドウのハンドル */
	return;
}

CWnd::~CWnd()
{
	if( ::IsWindow( m_hWnd ) ){
		/* クラスオブジェクトのポインタをNULLにして拡張ウィンドウメモリに格納しておく */
		// Modified by KEITA for WIN64 2003.9.6
		::SetWindowLongPtr( m_hWnd, GWLP_USERDATA, (LONG_PTR)NULL );
		::DestroyWindow( m_hWnd );
	}
	m_hWnd = NULL;
	return;
}


/* 初期化 */
void CWnd::Init(
	HINSTANCE	hInstance,		// handle to application instance
	HWND		hwndParent // handle to parent or owner window
)
{
	m_hInstance = hInstance;
	m_hwndParent = hwndParent;
	return;
}


/* ウィンドウクラス作成 */
ATOM CWnd::RegisterWC(
	/* WNDCLASS用 */
	HICON		hIcon,			// Handle to the class icon.
	HICON		hIconSm,		// Handle to a small icon
	HCURSOR		hCursor,		// Handle to the class cursor.
	HBRUSH		hbrBackground,	// Handle to the class background brush.
	LPCTSTR		lpszMenuName,	// Pointer to a null-terminated character string that specifies the resource name of the class menu, as the name appears in the resource file.
	LPCTSTR		lpszClassName	// Pointer to a null-terminated string or is an atom.
)
{
	/* ウィンドウクラスの登録 */
	WNDCLASSEX wc;
	wc.cbSize = sizeof(WNDCLASSEX);
	//	Apr. 27, 2000 genta
	//	サイズ変更時のちらつきを抑えるためCS_HREDRAW | CS_VREDRAW を外した
	wc.style = CS_DBLCLKS;
	wc.lpfnWndProc = CWndProc;
	wc.cbClsExtra = 0;
	wc.cbWndExtra = 32;
	wc.hInstance = m_hInstance;
	wc.hIcon = hIcon;
	wc.hCursor = hCursor;
	wc.hbrBackground = hbrBackground;
	wc.lpszMenuName = lpszMenuName;
	wc.lpszClassName = lpszClassName;
	wc.hIconSm = hIconSm;
	return ::RegisterClassEx( &wc );
}

/* 作成 */
HWND CWnd::Create(
	/* CreateWindowEx()用 */
	DWORD		dwExStyle, // extended window style
	LPCTSTR		lpszClassName,	// Pointer to a null-terminated string or is an atom.
	LPCTSTR		lpWindowName, // pointer to window name
	DWORD		dwStyle, // window style
	int			x, // horizontal position of window
	int			y, // vertical position of window
	int			nWidth, // window width
	int			nHeight, // window height
	HMENU		hMenu // handle to menu, or child-window identifier
)
{
	/* ウィンドウ作成前の処理(クラス登録前) ( virtual )*/
	PreviCreateWindow();

	/* 初期ウィンドウサイズ */
	/* ウィンドウの作成 */
	gm_pCWnd = this;
	m_hWnd = ::CreateWindowEx(
		dwExStyle, // extended window style
		lpszClassName, // pointer to registered class name
		lpWindowName, // pointer to window name
		dwStyle, // window style
		x, // horizontal position of window
		y, // vertical position of window
		nWidth, // window width
		nHeight, // window height
		m_hwndParent, // handle to parent or owner window
		hMenu, // handle to menu, or child-window identifier
		m_hInstance, // handle to application instance
		(LPVOID)this	// pointer to window-creation data
	);
	if( NULL == m_hWnd ){
		::MessageBox( m_hwndParent, "CWnd::Create()\n\n::CreateWindowEx failed.", "error", MB_OK );
		return NULL;
	}

	/* ウィンドウ作成後の処理 */
	AfterCreateWindow();
	return m_hWnd;
}


/* メッセージ配送 */
LRESULT CWnd::DispatchEvent( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp )
{
	#define CALLH(message, method) case message: return method( hwnd, msg, wp, lp )
	switch( msg ){
	CALLH( WM_CREATE			, OnCreate			);
	CALLH( WM_CLOSE				, OnClose			);
	CALLH( WM_DESTROY			, OnDestroy			);
	CALLH( WM_SIZE				, OnSize			);
	CALLH( WM_MOVE				, OnMove			);
	CALLH( WM_COMMAND			, OnCommand			);
	CALLH( WM_LBUTTONDOWN		, OnLButtonDown		);
	CALLH( WM_LBUTTONUP			, OnLButtonUp		);
	CALLH( WM_LBUTTONDBLCLK		, OnLButtonDblClk	);
	CALLH( WM_RBUTTONDOWN		, OnRButtonDown		);
	CALLH( WM_RBUTTONUP			, OnRButtonUp		);
	CALLH( WM_RBUTTONDBLCLK		, OnRButtonDblClk	);
	CALLH( WM_MBUTTONDOWN		, OnMButtonDown		);
	CALLH( WM_MBUTTONUP			, OnMButtonUp		);
	CALLH( WM_MBUTTONDBLCLK		, OnMButtonDblClk	);
	CALLH( WM_MOUSEMOVE			, OnMouseMove		);
	CALLH( WM_MOUSEWHEEL		, OnMouseWheel		);
	CALLH( WM_PAINT				, OnPaint			);
	CALLH( WM_TIMER				, OnTimer			);
	CALLH( WM_QUERYENDSESSION	, OnQueryEndSession	);

	CALLH( WM_MEASUREITEM		, OnMeasureItem		);
	CALLH( WM_MENUCHAR			, OnMenuChar		);
	CALLH( WM_NOTIFY			, OnNotify			);	//@@@ 2003.05.31 MIK

//	CALLH( WM_NCCREATE			, OnNcCreate		);
	CALLH( WM_NCDESTROY			, OnNcDestroy		);
//	CALLH( WM_NCCALCSIZE		, OnNcCalcSize		);
//	CALLH( WM_NCHITTEST			, OnNcHitTest		);
//	CALLH( WM_NCPAINT			, OnNcPaint			);
//	CALLH( WM_NCACTIVATE		, OnNcActivate		);
//	CALLH( WM_NCMOUSEMOVE		, OnNcMouseMove		);
//	CALLH( WM_NCLBUTTONDOWN		, OnNcLButtonDown	);
//	CALLH( WM_NCLBUTTONUP		, OnNcLButtonUp		);
//	CALLH( WM_NCLBUTTONDBLCLK	, OnNcLButtonDblClk	);
//	CALLH( WM_NCRBUTTONDOWN		, OnNcRButtonDown	);
//	CALLH( WM_NCRBUTTONUP		, OnNcRButtonUp		);
//	CALLH( WM_NCRBUTTONDBLCLK	, OnNcRButtonDblClk	);
//	CALLH( WM_NCMBUTTONDOWN		, OnNcMButtonDown	);
//	CALLH( WM_NCMBUTTONUP		, OnNcMButtonUp		);
//	CALLH( WM_NCMBUTTONDBLCLK	, OnNcMButtonDblClk	);


	/* MDI用 */
	CALLH( WM_MDIACTIVATE		, OnMDIActivate		);
//	CALLH( WM_MDICASCADE		, OnMDICascade		);
//	CALLH( WM_MDICREATE			, OnMDICreate		);
//	CALLH( WM_MDIDESTROY		, OnMDIDestroy		);
//	CALLH( WM_MDIGETACTIVE		, OnMDIGetActive	);
//	CALLH( WM_MDIICONARRANGE	, OnMDIIconArrange	);
//	CALLH( WM_MDIMAXIMIZE		, OnMDIMaximize		);
//	CALLH( WM_MDINEXT			, OnMDINext			);
//	CALLH( WM_MDIREFRESHMENU	, OnMDIRefreshMenu	);
//	CALLH( WM_MDIRESTORE		, OnMDIRestore		);
//	CALLH( WM_MDISETMENU		, OnMDISetMenu		);
//	CALLH( WM_MDITILE			, OnMDITile			);
	default:
		if( WM_APP <= msg && msg <= 0xBFFF ){
			/* アプリケーション定義のメッセージ(WM_APP <= msg <= 0xBFFF) */
			return DispatchEvent_WM_APP( hwnd, msg, wp, lp );
		}
		break;	/* default */
	}
	return CallDefWndProc( hwnd, msg, wp, lp );
}

/* アプリケーション定義のメッセージ(WM_APP <= msg <= 0xBFFF) */
LRESULT CWnd::DispatchEvent_WM_APP( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp )
{
	return CallDefWndProc( hwnd, msg, wp, lp );
}



// WM_NCDESTROY
LRESULT CWnd::OnNcDestroy( HWND, UINT, WPARAM, LPARAM )
{
	m_hWnd = NULL;
	return 0L;
}

/* デフォルトメッセージ処理 */
LRESULT CWnd::CallDefWndProc( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp )
{
	return ::DefWindowProc( hwnd, msg, wp, lp );
}


/*[EOF]*/