77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
//
|
|
// メッセージフィルタリングサポートクラス
|
|
//
|
|
#include "DebugOut.h"
|
|
|
|
#include "App.h"
|
|
#include "Wnd.h"
|
|
#include "WndHook.h"
|
|
|
|
// Instance
|
|
CWndHook WndHook;
|
|
|
|
BOOL CWndHook::m_bMsgFiltering = FALSE;
|
|
BOOL CWndHook::m_bMsgFilter = FALSE;
|
|
HHOOK CWndHook::m_hOldMsgFilter = NULL;
|
|
|
|
// メッセージフィルタフックの初期化(ウインドウが初期化されてから呼び出す事)
|
|
void CWndHook::Initialize()
|
|
{
|
|
m_hOldMsgFilter = ::SetWindowsHookEx( WH_MSGFILTER, (HOOKPROC)MessageFilterProc, NULL, ::GetCurrentThreadId() );
|
|
}
|
|
|
|
void CWndHook::Release()
|
|
{
|
|
if( m_hOldMsgFilter ) {
|
|
::UnhookWindowsHookEx( m_hOldMsgFilter );
|
|
m_hOldMsgFilter = NULL;
|
|
}
|
|
}
|
|
|
|
// メッセージフィルタ処理(ダイアログは普通では来ないメッセージがあるため)
|
|
LRESULT CALLBACK CWndHook::MessageFilterProc( INT code, WPARAM wParam, LPARAM lParam )
|
|
{
|
|
if( code < 0 ) {
|
|
return ::CallNextHookEx( m_hOldMsgFilter, code, wParam, lParam );
|
|
}
|
|
|
|
if( m_bMsgFiltering && code == MSGF_DIALOGBOX ) {
|
|
// 既にフィルタリング中か？
|
|
if( m_bMsgFilter )
|
|
return FALSE;
|
|
m_bMsgFilter = TRUE;
|
|
LPMSG lpMsg = (LPMSG)lParam;
|
|
if( lpMsg->message >= WM_KEYFIRST && lpMsg->message <= WM_KEYLAST ) {
|
|
if( WalkPreTranslateTree( lpMsg ) ) {
|
|
m_bMsgFilter = FALSE;
|
|
return 1L;
|
|
}
|
|
}
|
|
m_bMsgFilter = FALSE;
|
|
}
|
|
|
|
return ::CallNextHookEx( m_hOldMsgFilter, code, wParam, lParam );
|
|
// return FALSE;
|
|
}
|
|
|
|
BOOL CWndHook::WalkPreTranslateTree( MSG* lpMsg )
|
|
{
|
|
// メインフレームウインドウ
|
|
HWND hWndStop = CApp::GetHWnd();
|
|
|
|
// PreTranslateMessageを辿る
|
|
for( HWND hWnd = lpMsg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd) ) {
|
|
if( hWnd == hWndStop )
|
|
break;
|
|
CWnd* pWnd = (CWnd*)::GetWindowLong( hWnd, GWL_USERDATA );
|
|
if( pWnd ) {
|
|
if( pWnd->PreTranslateMessage( lpMsg ) )
|
|
return TRUE;
|
|
}
|
|
if( hWnd == hWndStop )
|
|
break;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|