Source code of Windows XP (NT5)
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//
// Copyright 2001 - Microsoft Corporation
//
//
// Created By:
// Geoff Pease (GPease) 23-JAN-2001
//
// Maintained By:
// Geoff Pease (GPease) 23-JAN-2001
//
#include "pch.h"
#include "DocProp.h"
#include "DefProp.h"
#include "PropertyCacheItem.h"
#include "PropertyCache.h"
#include "SimpleDlg.h"
#include "shutils.h"
#include "WMUser.h"
#include "PropVar.h"
#pragma hdrstop
DEFINE_THISCLASS( "CSimpleDlg" )
//
// Globals
//
#define SUMMARYPROP(s) { &FMTID_SummaryInformation, PIDSI_##s, IDC_##s }
#define DOCSUMMARYPROP(s) { &FMTID_DocSummaryInformation, PIDDSI_##s, IDC_##s }
const struct
{
const FMTID *pFmtId;
PROPID propid;
UINT idc;
// could add VARTYPE if we did anything other than strings
} g_rgBasicProps[] = {
SUMMARYPROP(TITLE)
, SUMMARYPROP(SUBJECT)
, SUMMARYPROP(AUTHOR)
, SUMMARYPROP(KEYWORDS)
, SUMMARYPROP(COMMENTS)
, DOCSUMMARYPROP(CATEGORY)
};
// ************************************************************************
//
// Constructor / Destructor
//
// ************************************************************************
//
//
//
HRESULT
CSimpleDlg::CreateInstance(
CSimpleDlg ** pSimDlgOut
, HWND hwndParentIn
, BOOL fMultipleIn
)
{
TraceFunc( "" );
HRESULT hr;
Assert( NULL != pSimDlgOut );
CSimpleDlg * pthis = new CSimpleDlg;
if ( NULL != pthis )
{
hr = THR( pthis->Init( hwndParentIn, fMultipleIn ) );
if ( SUCCEEDED( hr ) )
{
*pSimDlgOut = pthis;
(*pSimDlgOut)->AddRef( );
}
pthis->Release( );
}
else
{
hr = E_OUTOFMEMORY;
}
HRETURN( hr );
}
//
//
//
CSimpleDlg::CSimpleDlg( void )
: _cRef( 1 )
{
TraceFunc( "" );
Assert( 1 == _cRef );
Assert( NULL == _hwndParent );
Assert( NULL == _hdlg );
Assert( FALSE == _fMultipleSources );
Assert( FALSE == _fNoProperties );
InterlockedIncrement( &g_cObjects );
TraceFuncExit();
}
//
//
//
HRESULT
CSimpleDlg::Init(
HWND hwndParentIn
, BOOL fMultipleIn
)
{
TraceFunc( "" );
HRESULT hr = S_OK;
_hwndParent = hwndParentIn;
_fMultipleSources = fMultipleIn;
// IUnknown stuff
Assert( _cRef == 1 );
//
// Create the dialog
//
_hdlg = CreateDialogParam( g_hInstance
, MAKEINTRESOURCE(IDD_SIMPLEVIEW)
, _hwndParent
, DlgProc
, (LPARAM) this
);
if ( NULL == _hdlg )
goto ErrorGLE;
Cleanup:
HRETURN( hr );
ErrorGLE:
{
DWORD dwErr = TW32( GetLastError( ) );
hr = HRESULT_FROM_WIN32( dwErr );
}
goto Cleanup;
}
//
//
//
CSimpleDlg::~CSimpleDlg( )
{
TraceFunc( "" );
if ( NULL != _hdlg )
{
DestroyWindow( _hdlg );
}
InterlockedDecrement( &g_cObjects );
TraceFuncExit();
}
// ************************************************************************
//
// IUnknown
//
// ************************************************************************
//
//
//
STDMETHODIMP
CSimpleDlg::QueryInterface(
REFIID riid,
LPVOID *ppv
)
{
TraceQIFunc( riid, ppv );
HRESULT hr = E_NOINTERFACE;
if ( IsEqualIID( riid, __uuidof(IUnknown) ) )
{
*ppv = static_cast< IUnknown * >( this );
hr = S_OK;
}
#if 0
else if ( IsEqualIID( riid, __uuidof(IShellExtInit) ) )
{
*ppv = TraceInterface( __THISCLASS__, IShellExtInit, this, 0 );
hr = S_OK;
}
#endif
if ( SUCCEEDED( hr ) )
{
((IUnknown*) *ppv)->AddRef( );
}
QIRETURN( hr, riid );
}
//
//
//
STDMETHODIMP_(ULONG)
CSimpleDlg::AddRef( void )
{
TraceFunc( "[IUnknown]" );
_cRef ++; // apartment
RETURN( _cRef );
}
//
//
//
STDMETHODIMP_(ULONG)
CSimpleDlg::Release( void )
{
TraceFunc( "[IUnknown]" );
_cRef --; // apartment
if ( 0 != _cRef )
RETURN( _cRef );
delete this;
RETURN( 0 );
}
// ***************************************************************************
//
// Dialog Proc and Property Sheet Callback
//
// ***************************************************************************
//
//
//
INT_PTR CALLBACK
CSimpleDlg::DlgProc(
HWND hDlgIn
, UINT uMsgIn
, WPARAM wParam
, LPARAM lParam
)
{
// Don't do TraceFunc because every mouse movement will cause this function to be called.
WndMsg( hDlgIn, uMsgIn, wParam, lParam );
LRESULT lr = FALSE;
CSimpleDlg * pPage = (CSimpleDlg *) GetWindowLongPtr( hDlgIn, DWLP_USER );
if ( uMsgIn == WM_INITDIALOG )
{
SetWindowLongPtr( hDlgIn, DWLP_USER, lParam );
pPage = (CSimpleDlg *) lParam ;
pPage->_hdlg = hDlgIn;
}
if ( pPage != NULL )
{
Assert( hDlgIn == pPage->_hdlg );
switch( uMsgIn )
{
case WM_INITDIALOG:
lr = pPage->OnInitDialog( );
break;
case WM_COMMAND:
lr = pPage->OnCommand( HIWORD(wParam), LOWORD(wParam), lParam );
break;
case WM_NOTIFY:
lr = pPage->OnNotify( (int) wParam, (LPNMHDR) lParam );
break;
case WM_DESTROY:
SetWindowLongPtr( hDlgIn, DWLP_USER, NULL );
lr = pPage->OnDestroy( );
break;
case WM_HELP:
lr = pPage->OnHelp( (LPHELPINFO) lParam );
break;
case WM_CONTEXTMENU:
lr = pPage->OnContextMenu( (HWND) wParam, LOWORD(lParam), HIWORD(lParam) );
break;
}
}
return lr;
}
// ***************************************************************************
//
// Private methods
//
// ***************************************************************************
//
// WM_INITDIALOG handler
//
LRESULT
CSimpleDlg::OnInitDialog( void )
{
TraceFunc( "" );
LRESULT lr = TRUE; // set focus
Assert( NULL != _hdlg ); // this should have been initialized in the DlgProc.
RETURN( lr );
}
//
// WM_COMMAND handler
//
LRESULT
CSimpleDlg::OnCommand(
WORD wCodeIn
, WORD wCtlIn
, LPARAM lParam
)
{
TraceFunc( "" );
LRESULT lr = FALSE;
switch( wCtlIn )
{
case IDC_ADVANCED:
if ( BN_CLICKED == wCodeIn )
{
THR( (HRESULT) SendMessage( _hwndParent, WMU_TOGGLE, 0, 0 ) );
}
break;
case IDC_TITLE:
case IDC_SUBJECT:
case IDC_AUTHOR:
case IDC_CATEGORY:
case IDC_KEYWORDS:
case IDC_COMMENTS:
if ( EN_CHANGE == wCodeIn )
{
PropSheet_Changed( GetParent( _hwndParent ), _hwndParent );
}
else if ( EN_KILLFOCUS == wCodeIn )
{
STHR( PersistControlInProperty( wCtlIn ) );
}
break;
}
RETURN( lr );
}
//
// WM_NOTIFY handler
//
LRESULT
CSimpleDlg::OnNotify(
int iCtlIdIn
, LPNMHDR pnmhIn
)
{
TraceFunc( "" );
LRESULT lr = FALSE;
#if 0
switch( pnmhIn->code )
{
default:
break;
}
#endif
RETURN( lr );
}
//
// WM_DESTROY handler
//
LRESULT
CSimpleDlg::OnDestroy( void )
{
TraceFunc( "" );
LRESULT lr = FALSE;
RETURN( lr );
}
//
// Description:
// Stores the "basic" properties into the prop variant.
//
// Return Values:
// S_OK
// Success!
//
// other HRESULTs.
//
HRESULT
CSimpleDlg::PersistProperties( void )
{
TraceFunc( "" );
HRESULT hr;
ULONG idx;
//
// Loop the the properties updating the dialog as we go.
//
for ( idx = 0; idx < ARRAYSIZE(g_rgBasicProps); idx ++ )
{
hr = STHR( PersistControlInProperty( g_rgBasicProps[ idx ].idc ) );
if ( FAILED( hr ) )
goto Cleanup;
}
hr = S_OK;
Cleanup:
HRETURN( hr );
}
//
// Description:
// Stores the current value of a control into the property cache.
//
// Return Values:
// S_OK
// Success!
//
// S_FALSE
// Nothing to save.
//
// E_FAIL
// Property could not be persisted.
//
// E_OUTOFMEMORY
// OutOfMemory
//
// other HRESULTs.
//
HRESULT
CSimpleDlg::PersistControlInProperty(
UINT uCtlIdIn
)
{
TraceFunc( "" );
HRESULT hr;
int iLen;
int iRet;
HWND hwndCtl;
UINT uCodePage;
VARTYPE vt;
CPropertyCacheItem * pItem;
PROPVARIANT * ppropvar;
LPWSTR pszBuf = NULL;
hwndCtl = GetDlgItem( _hdlg, uCtlIdIn );
if ( NULL == hwndCtl )
goto ErrorPersistingValue;
pItem = (CPropertyCacheItem *) GetWindowLongPtr( hwndCtl, GWLP_USERDATA );
if ( NULL == pItem )
{
hr = S_FALSE;
goto Cleanup;
}
hr = THR( pItem->GetCodePage( &uCodePage ) );
if ( FAILED( hr ) )
goto Cleanup;
hr = THR( pItem->GetPropertyValue( &ppropvar ) );
if ( FAILED( hr ) )
goto Cleanup;
switch ( ppropvar->vt )
{
case VT_EMPTY:
case VT_NULL:
{
PropVariantInit( ppropvar );
hr = THR( pItem->GetDefaultVarType( &vt ) );
if ( FAILED( hr ) )
goto Cleanup;
}
break;
default:
vt = ppropvar->vt;
break;
}
iLen = GetWindowTextLength( hwndCtl );
if ( iLen == 0 )
{
//
// If nothing to get, then just clear the value and mark it dirty.
//
hr = THR( PropVariantClear( ppropvar ) );
if ( FAILED( hr ) )
goto Cleanup;
hr = THR( pItem->MarkDirty( ) );
goto Cleanup;
}
pszBuf = (LPWSTR) SysAllocStringLen( NULL, iLen );
if ( NULL == pszBuf )
goto OutOfMemory;
iRet = GetWindowText( hwndCtl, pszBuf, iLen + 1 );
Assert( iRet == iLen );
hr = THR( PropVariantFromString( pszBuf, uCodePage, 0, vt, ppropvar ) );
if ( FAILED( hr ) )
goto Cleanup;
hr = THR( pItem->MarkDirty( ) );
if ( FAILED( hr ) )
goto Cleanup;
Cleanup:
if ( NULL != pszBuf )
{
SysFreeString( pszBuf );
}
HRETURN( hr );
OutOfMemory:
hr = E_OUTOFMEMORY;
goto Cleanup;
ErrorPersistingValue:
hr = THR( E_FAIL );
goto Cleanup;
}
//
// WM_HELP handler
//
LRESULT
CSimpleDlg::OnHelp(
LPHELPINFO pHelpInfoIn
)
{
TraceFunc( "" );
LRESULT lr = FALSE;
THR( DoHelp( (HWND) pHelpInfoIn->hItemHandle, pHelpInfoIn->MousePos.x, pHelpInfoIn->MousePos.y, HELP_WM_HELP ) );
RETURN( lr );
}
//
// WM_CONTEXTMENU handler
//
LRESULT
CSimpleDlg::OnContextMenu(
HWND hwndIn
, int iXIn
, int iYIn
)
{
TraceFunc( "" );
LRESULT lr = FALSE;
THR( DoHelp( hwndIn, iXIn, iYIn, HELP_CONTEXTMENU ) );
RETURN( lr );
}
//
// Description:
// Handles locating the item within the list view and construct
// a fake IDC to IDH to display the correct help text for the
// item.
//
// Return Values:
// S_OK
// Success.
//
HRESULT
CSimpleDlg::DoHelp(
HWND hwndIn
, int iXIn
, int iYIn
, UINT uCommandIn
)
{
TraceFunc( "" );
ULONG idx;
HRESULT hr = S_OK;
for ( idx = 0; idx < ARRAYSIZE(g_rgBasicProps); idx ++ )
{
HWND hwndCtl = GetDlgItem( _hdlg, g_rgBasicProps[ idx ].idc );
AssertMsg( NULL != hwndCtl, "Missing control or table is out of date!" );
if ( hwndCtl == hwndIn )
{
CPropertyCacheItem * pItem;
pItem = (CPropertyCacheItem *) GetWindowLongPtr( hwndCtl, GWLP_USERDATA );
if ( NULL != pItem )
{
LPCWSTR pszHelpFile; // don't free
UINT uHelpId;
DWORD mapIDStoIDH[ ] = { 0, 0, 0, 0 };
hr = THR( pItem->GetPropertyHelpInfo( &pszHelpFile, &uHelpId ) );
if ( FAILED( hr ) )
goto Cleanup;
mapIDStoIDH[ 0 ] = g_rgBasicProps[ idx ].idc;
mapIDStoIDH[ 1 ] = uHelpId;
TBOOL( WinHelp( hwndIn, pszHelpFile, uCommandIn, (DWORD_PTR)(LPSTR) mapIDStoIDH ) );
}
}
}
Cleanup:
HRETURN( hr );
}
// ***************************************************************************
//
// Public methods
//
// ***************************************************************************
//
// Description:
// Hides the dialog.
//
// Return Value:
// S_OK
// Success!
//
HRESULT
CSimpleDlg::Hide( void )
{
TraceFunc( "" );
HRESULT hr;
ShowWindow( _hdlg, SW_HIDE );
hr = S_OK;
HRETURN( hr );
}
//
// Description:
// Shows the dialog.
//
// Return Values:
// S_OK
// Success!
//
// S_FALSE
// Success, but there isn't anything useful to display to the user.
// One might flip to the Advanced dialog if possible (and the user
// didn't ask to go to the Simple dialog).
//
HRESULT
CSimpleDlg::Show( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
ShowWindow( _hdlg, SW_SHOW );
SetFocus( _hdlg );
if ( _fNoProperties )
{
hr = S_FALSE;
}
HRETURN( hr );
}
//
// Description:
// Populates the properties of the dialog.
//
// Return Values:
// S_OK
// Success!
//
// E_INVALIDARG
// ppcIn is NULL.
//
// other HRESULTs.
//
HRESULT
CSimpleDlg::PopulateProperties(
CPropertyCache * ppcIn
, DWORD dwDocTypeIn
, BOOL fMultipleIn
)
{
TraceFunc( "" );
HRESULT hr;
ULONG idx;
LPCWSTR pcszValue;
CPropertyCacheItem * pItem;
static const WCHAR s_cszNULL[] = L"";
//
// Check parameters
//
if ( NULL == ppcIn )
goto InvalidArg;
//
// Loop the the properties updating the dialog as we go.
//
_fNoProperties = TRUE;
for ( idx = 0; idx < ARRAYSIZE(g_rgBasicProps); idx ++ )
{
HWND hwndCtl = GetDlgItem( _hdlg, g_rgBasicProps[ idx ].idc );
AssertMsg( NULL != hwndCtl, "Missing control or table is out of date!" );
//
// Search the property cache for the entry.
//
hr = STHR( ppcIn->FindItemEntry( g_rgBasicProps[ idx ].pFmtId
, g_rgBasicProps[ idx ].propid
, &pItem
) );
if ( S_OK == hr )
{
int iImage;
Assert ( NULL != pItem ); // paranoid
//
// Retrieve the string value.
//
hr = THR( pItem->GetPropertyStringValue( &pcszValue ) );
if ( S_OK != hr )
goto ControlFailure;
if ( NULL == pcszValue )
{
pcszValue = s_cszNULL;
}
//
// Update the control.
//
SetWindowText( hwndCtl, pcszValue );
SetWindowLongPtr( hwndCtl, GWLP_USERDATA, (LPARAM) pItem );
_fNoProperties = FALSE;
//
// If the property is read-only, change the edit control to match.
//
hr = THR( pItem->GetImageIndex( &iImage ) );
if ( S_OK != hr )
goto ControlFailure;
if ( PTI_PROP_READONLY == iImage )
{
EnableWindow( hwndCtl, FALSE );
}
//
// If the control has mutliple values, mark it read-only. They can edit
// it in the "Advanced" view and this would be an advanced operation.
//
if ( _fMultipleSources )
{
EnableWindow( hwndCtl, FALSE );
}
}
else
{
ControlFailure:
//
// No equivalent property was found or there is an error in the
// property set. Clear and disable the control.
//
SetWindowText( hwndCtl, s_cszNULL );
EnableWindow( hwndCtl, FALSE );
}
}
hr = S_OK;
Cleanup:
HRETURN( hr );
InvalidArg:
hr = THR( E_INVALIDARG );
goto Cleanup;
}