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windows-nt/Source/XPSP1/NT/shell/ext/brfcase/filesync/syncui/info.c

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2020-09-26 03:20:57 -05:00
//---------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation 1993-1994
//
// File: info.c
//
// This files contains dialog code for the Info property sheet
//
// History:
// 08-06-93 ScottH Transferred from twin code
//
//---------------------------------------------------------------------------
#include "brfprv.h" // common headers
#include <brfcasep.h>
#include "res.h"
#include <help.h>
//---------------------------------------------------------------------------
// INFO dialog struct
//---------------------------------------------------------------------------
// State flags for the INFO dialog
#define IS_ALLTYPES 0x0001
#define IS_INCLUDESUBS 0x0002
#define IS_DENYAPPLY 0x0004
#define IS_CHANGED 0x0008
#define IS_LAST_INCLUDESUBS 0x0010
typedef struct tagINFO
{
HWND hwnd; // dialog handle
PPAGEDATA ppagedata;
PINFODATA pinfodata;
int cselPrev; // previous count of selections
LPTSTR pszExtListPrev; // alloc: last saved settings
UINT uState;
BOOL bInit;
} INFO, * PINFO;
// Struct for CHANGETWINPROC callback
typedef struct tagCHANGEDATA
{
HBRFCASE hbrf;
HFOLDERTWIN hft;
HDPA hdpaTwins;
int idpaTwin;
HDPA hdpaFolders;
int idpaStart;
UINT uState;
} CHANGEDATA, * PCHANGEDATA;
typedef HRESULT (CALLBACK * CHANGETWINPROC)(PNEWFOLDERTWIN, TWINRESULT, PCHANGEDATA);
// Struct for Info_AddTwins
typedef struct tagADDTWINSDATA
{
CHANGETWINPROC pfnCallback;
HDPA hdpaSortedFolders;
int idpaStart;
} ADDTWINSDATA, * PADDTWINSDATA;
#define MAX_EXT_LEN 6 // Length for "*.ext"
static TCHAR const c_szAllFilesExt[] = TEXT(".*");
// Helper macros
#define Info_StandAlone(this) ((this)->pinfodata->bStandAlone)
#define Info_GetPtr(hwnd) (PINFO)GetWindowLongPtr(hwnd, DWLP_USER)
#define Info_SetPtr(hwnd, lp) (PINFO)SetWindowLongPtr(hwnd, DWLP_USER, (LRESULT)(lp))
SETbl const c_rgseInfo[4] = { // change in ibrfstg.c too
{ E_TR_OUT_OF_MEMORY, IDS_OOM_ADDFOLDER, MB_ERROR },
{ E_OUTOFMEMORY, IDS_OOM_ADDFOLDER, MB_ERROR },
{ E_TR_UNAVAILABLE_VOLUME, IDS_ERR_ADDFOLDER_UNAVAIL_VOL, MB_RETRYCANCEL | MB_ICONWARNING },
{ E_TR_SUBTREE_CYCLE_FOUND, IDS_ERR_ADD_SUBTREECYCLE, MB_WARNING },
};
//---------------------------------------------------------------------------
// Info dialog functions
//---------------------------------------------------------------------------
/*----------------------------------------------------------
Purpose: Searches for an occurrence of the given extension
in the folder twin list.
Returns: TRUE if the extension was found
Cond: --
*/
BOOL PRIVATE FindExtension(
PFOLDERTWINLIST pftl,
LPCTSTR pszExt)
{
PCFOLDERTWIN pcft;
for (pcft = pftl->pcftFirst; pcft; pcft = pcft->pcftNext)
{
if (IsSzEqual(pszExt, pcft->pcszName))
{
return TRUE; // Found a match!
}
}
return FALSE;
}
/*----------------------------------------------------------
Purpose: Disable all the controls. Remove any selections.
Returns: --
Cond: --
*/
void PRIVATE Info_DisableAll(
PINFO this)
{
ASSERT(!Info_StandAlone(this));
// Remove selections
//
ListBox_ResetContent(GetDlgItem(this->hwnd, IDC_LBINTYPES));
Button_SetCheck(GetDlgItem(this->hwnd, IDC_RBINALL), 0);
Button_SetCheck(GetDlgItem(this->hwnd, IDC_RBINSELECTED), 0);
Button_SetCheck(GetDlgItem(this->hwnd, IDC_CHININCLUDE), 0);
// Disable the controls
//
Button_Enable(GetDlgItem(this->hwnd, IDC_RBINALL), FALSE);
Button_Enable(GetDlgItem(this->hwnd, IDC_RBINSELECTED), FALSE);
ListBox_Enable(GetDlgItem(this->hwnd, IDC_LBINTYPES), FALSE);
Button_Enable(GetDlgItem(this->hwnd, IDC_CHININCLUDE), FALSE);
}
/*----------------------------------------------------------
Purpose: Initialize the labels for our formatted radio buttons
Returns: --
Cond: --
*/
void PRIVATE Info_InitLabels(
PINFO this)
{
HWND hwnd = this->hwnd;
HWND hwndST = GetDlgItem(hwnd, IDC_CHININCLUDE);
TCHAR sz[MAXMSGLEN];
TCHAR szFmt[MAXBUFLEN];
LPCTSTR pszPath = Atom_GetName(this->ppagedata->atomPath);
LPTSTR pszFile;
pszFile = PathFindFileName(pszPath);
// Set static label
//
GetWindowText(hwndST, szFmt, ARRAYSIZE(szFmt));
wsprintf(sz, szFmt, pszFile);
SetWindowText(hwndST, sz);
if (Info_StandAlone(this))
{
// Set title ("Create Twin of %s")
//
GetWindowText(hwnd, szFmt, ARRAYSIZE(szFmt));
wsprintf(sz, szFmt, pszFile);
SetWindowText(hwnd, sz);
}
}
/*----------------------------------------------------------
Purpose: Queries the registry for all the legal extensions that
are registered. These extensions are returned as a
space-separated list in buffer.
Returns: --
Cond: Caller must GFree *ppszBuffer
*/
void PRIVATE GetExtensionList(
LPTSTR * ppszBuffer)
{
HKEY hkRoot;
*ppszBuffer = NULL;
if (ERROR_SUCCESS == RegOpenKey(HKEY_CLASSES_ROOT, NULL, &hkRoot))
{
DWORD dwIndex;
TCHAR szExt[MAX_PATH];
// Enumerate this key
for (dwIndex = 0;
ERROR_SUCCESS == RegEnumKey(hkRoot, dwIndex, szExt, ARRAYSIZE(szExt));
dwIndex++)
{
// Did we get a node that is an extension AND
// is it a legal MS-DOS extension?
if (TEXT('.') == *szExt &&
4 >= lstrlen(szExt))
{
// Yes; add this extension to our list
lstrcat(szExt, TEXT(" "));
if (FALSE == GCatString(ppszBuffer, szExt))
{
// Uh oh, something bad happened
break;
}
}
}
RegCloseKey(hkRoot);
}
}
/*----------------------------------------------------------
Purpose: Fill the file types listbox
Returns: --
Cond: --
*/
void PRIVATE Info_FillTypesList(
PINFO this)
{
HWND hwndCtl = GetDlgItem(this->hwnd, IDC_LBINTYPES);
LPTSTR pszExtList;
GetExtensionList(&pszExtList);
if (pszExtList)
{
int nTabWidth;
TCHAR szExt[MAXBUFLEN];
LPTSTR psz;
LPTSTR pszT;
UINT uLen;
SHFILEINFO sfi;
nTabWidth = 30;
ListBox_SetTabStops(hwndCtl, 1, &nTabWidth);
for (psz = pszExtList; *psz; psz = CharNext(psz))
{
// Skip any leading white-space
for (; TEXT(' ') == *psz; psz = CharNext(psz))
;
if (0 == *psz)
{
break; // End of string
}
// Skip to next white-space (or null)
for (pszT = psz; TEXT(' ') < *pszT; pszT = CharNext(pszT))
{
// (This will also stop at null)
}
// (GetExtensionList should only get max 3 char extensions)
uLen = (UINT)(pszT - psz);
ASSERT(ARRAYSIZE(szExt) > uLen);
lstrcpyn(szExt, psz, uLen+1);
CharUpper(szExt);
SHGetFileInfo(szExt, 0, &sfi, sizeof(sfi), SHGFI_TYPENAME | SHGFI_USEFILEATTRIBUTES);
// Although this forces the format for international versions,
// it makes extraction much much easier.
lstrcat(szExt, TEXT("\t("));
lstrcat(szExt, sfi.szTypeName);
lstrcat(szExt, TEXT(")"));
ListBox_AddString(hwndCtl, szExt);
psz = pszT; // To next extension
}
GFree(pszExtList);
}
}
/*----------------------------------------------------------
Purpose: Set the selection of the dialog controls
Returns: --
Cond: --
*/
void PRIVATE Info_SetSelections(
PINFO this)
{
HWND hwndLB = GetDlgItem(this->hwnd, IDC_LBINTYPES);
int idBtn;
int cItems = ListBox_GetCount(hwndLB);
ListBox_SetSel(hwndLB, FALSE, -1); // deselect everything
// Is this the 'Add Folder' dialog?
if (Info_StandAlone(this))
{
// Yes; default to *.* settings
SetFlag(this->uState, IS_ALLTYPES);
SetFlag(this->uState, IS_INCLUDESUBS);
}
else
{
// No; query what the selections are
TCHAR szExt[MAXBUFLEN];
PFOLDERTWINLIST pftl;
PCFOLDERTWIN pcft;
int cItems;
int i;
BOOL bStarDotStar;
LPTSTR psz;
if (S_OK == PageData_Query(this->ppagedata, this->hwnd, NULL, &pftl))
{
// Determine the selections in the listbox
szExt[0] = TEXT('*');
cItems = ListBox_GetCount(hwndLB);
for (i = 0; i < cItems; i++)
{
// Extract the extension (it will be the first part of the
// string)
ListBox_GetText(hwndLB, i, &szExt[1]);
for (psz = szExt; *psz && TEXT('\t') != *psz; psz = CharNext(psz))
;
ASSERT(TEXT('\t') == *psz);
*psz = 0; // null terminate after the extension
// Is this extension in the folder twin list?
if (FindExtension(pftl, szExt))
{
// Yes; select the entry
ListBox_SetSel(hwndLB, TRUE, i);
}
}
ListBox_SetTopIndex(hwndLB, 0);
this->cselPrev = ListBox_GetSelCount(hwndLB);
// Determine the Include Subdirectories checkbox setting
//
bStarDotStar = FALSE;
ClearFlag(this->uState, IS_INCLUDESUBS);
for (pcft = pftl->pcftFirst; pcft; pcft = pcft->pcftNext)
{
if (IsFlagSet(pcft->dwFlags, FT_FL_SUBTREE))
SetFlag(this->uState, IS_INCLUDESUBS);
if (IsSzEqual(pcft->pcszName, c_szAllFiles))
bStarDotStar = TRUE;
}
// Set the default radio button choice, and disable listbox
// if necessary. The default radio choice will be IDC_RBINALL,
// unless there are selections in the listbox AND there is no
// *.* occurrence in the folder twin list.
//
if (0 == this->cselPrev || bStarDotStar)
SetFlag(this->uState, IS_ALLTYPES);
else
ClearFlag(this->uState, IS_ALLTYPES);
}
else
{
// An error occurred or this is an orphan. Bail early.
return;
}
}
if (IsFlagSet(this->uState, IS_INCLUDESUBS))
SetFlag(this->uState, IS_LAST_INCLUDESUBS);
else
ClearFlag(this->uState, IS_LAST_INCLUDESUBS);
// Set the control settings
Button_SetCheck(GetDlgItem(this->hwnd, IDC_CHININCLUDE), IsFlagSet(this->uState, IS_INCLUDESUBS));
ListBox_Enable(hwndLB, IsFlagClear(this->uState, IS_ALLTYPES));
idBtn = IsFlagSet(this->uState, IS_ALLTYPES) ? IDC_RBINALL : IDC_RBINSELECTED;
CheckRadioButton(this->hwnd, IDC_RBINALL, IDC_RBINSELECTED, idBtn);
// If listbox is empty, disable Selected Types radio button
if (0 == cItems)
{
Button_Enable(GetDlgItem(this->hwnd, IDC_RBINSELECTED), FALSE);
}
}
/*----------------------------------------------------------
Purpose: Get the selected extensions in the listbox
and place them as a list in *ppszExtList.
.* is placed in the buffer if the Select All radio button
is chosen instead.
Returns: TRUE on success
Cond: The caller must GFree *ppszExtList
*/
BOOL PRIVATE Info_GetSelections(
PINFO this,
LPTSTR * ppszExtList)
{
BOOL bRet = FALSE;
*ppszExtList = NULL;
// Did user choose the All Types radio button?
if (IsFlagSet(this->uState, IS_ALLTYPES))
{
// Yes; store the .* extension
bRet = GSetString(ppszExtList, c_szAllFilesExt);
}
else
{
// No; user selected a bunch of wildcards to filter
LPINT pisel;
TCHAR szExt[MAXBUFLEN];
int csel;
int isel;
HWND hwndCtl = GetDlgItem(this->hwnd, IDC_LBINTYPES);
// Allocate memory for the selection buffer
csel = ListBox_GetSelCount(hwndCtl);
pisel = GAllocArray(int, csel);
if (pisel)
{
// Get the selected extensions from the listbox
LPTSTR psz;
if (0 < csel)
{
ListBox_GetSelItems(hwndCtl, csel, pisel);
for (isel = 0; isel < csel; isel++)
{
// Extract the extension (it will be the first part of the string)
ListBox_GetText(hwndCtl, pisel[isel], szExt);
for (psz = szExt; *psz && TEXT('\t') != *psz; psz = CharNext(psz))
;
ASSERT(TEXT('\t') == *psz);
*psz = 0;
if (FALSE == GCatString(ppszExtList, szExt))
{
break;
}
}
if (isel == csel)
{
bRet = TRUE; // Success
}
else
{
GFree(*ppszExtList);
}
}
GFree(pisel);
}
}
return bRet;
}
/*----------------------------------------------------------
Purpose: Create a sorted DPA version of the folder twin list
Returns: hdpa
NULL on OOM
Cond: --
*/
HDPA PRIVATE CreateSortedFolderDPA(
PFOLDERTWINLIST pftl)
{
HDPA hdpa;
ASSERT(pftl);
hdpa = DPA_Create(8);
if (hdpa)
{
PCFOLDERTWIN pcft;
for (pcft = pftl->pcftFirst; pcft; pcft = pcft->pcftNext)
{
// Use the dwUser field as a deletion flag
((PFOLDERTWIN)pcft)->dwUser = FALSE;
if (DPA_ERR == DPA_InsertPtr(hdpa, DPA_APPEND, (LPVOID)pcft))
{
DPA_Destroy(hdpa);
return NULL;
}
}
DPA_Sort(hdpa, NCompareFolders, CMP_FOLDERTWINS);
}
return hdpa;
}
/*----------------------------------------------------------
Purpose: Process callback after adding a folder twin
Returns: standard result
Cond: --
*/
HRESULT CALLBACK ChangeTwinProc(
PNEWFOLDERTWIN pnft,
TWINRESULT tr,
PCHANGEDATA pcd)
{
HRESULT hres = NOERROR;
// Is this a duplicate twin?
if (TR_DUPLICATE_TWIN == tr)
{
// Yes; there's a wierd case to deal with. It's possible that the
// only thing the user did was check/uncheck the Include Subdirs
// checkbox. If this is true, then we delete the old twin and add
// a new twin (with same filespec as before) with the flags set
// differently.
PCFOLDERTWIN pcft;
HDPA hdpaFolders = pcd->hdpaFolders;
int cdpa = DPA_GetPtrCount(hdpaFolders);
int idpa;
BOOL bOldInclude;
// Find the correct pcfolder. We will either tag it or
// we will delete it right now and re-add the new twin.
for (idpa = pcd->idpaStart; idpa < cdpa; idpa++)
{
pcft = DPA_FastGetPtr(hdpaFolders, idpa);
if (IsSzEqual(pcft->pcszName, pnft->pcszName))
break; // found it!
}
ASSERT(idpa < cdpa);
// Tag the twin to save from impending doom...
((PFOLDERTWIN)(DWORD_PTR)pcft)->dwUser = TRUE;
// Has the Include Subfolders checkbox setting changed?
bOldInclude = IsFlagSet(pcft->dwFlags, FT_FL_SUBTREE);
if (bOldInclude ^ IsFlagSet(pcd->uState, IS_INCLUDESUBS))
{
// Yes; delete the twin anyway and add the new one.
HFOLDERTWIN hft;
DEBUG_CODE( TRACE_MSG(TF_GENERAL, TEXT("Deleting old folder twin")); )
Sync_DeleteTwin(pcft->hftOther);
// Add the new folder twin to the database
tr = Sync_AddFolder(pcd->hbrf, pnft, &hft);
if (TR_SUCCESS != tr)
{
// Adding the new twin failed
DPA_DeletePtr(pcd->hdpaTwins, pcd->idpaTwin);
hres = HRESULT_FROM_TR(tr);
}
else
{
// Set the new twin handle in the pcd->hdpaTwins list
DPA_SetPtr(pcd->hdpaTwins, pcd->idpaTwin, (LPVOID)hft);
DEBUG_CODE( TRACE_MSG(TF_GENERAL, TEXT("Adding new folder twin")); )
DEBUG_CODE( Sync_Dump(pnft, NEWFOLDERTWIN); )
}
}
else
{
// No; this isn't new, so don't add to list
DPA_DeletePtr(pcd->hdpaTwins, pcd->idpaTwin);
}
}
else if (tr != TR_SUCCESS)
{
// Sync_AddFolder failed
DPA_DeletePtr(pcd->hdpaTwins, pcd->idpaTwin);
hres = HRESULT_FROM_TR(tr);
}
else
{
// Sync_AddFolder succeeded
DPA_SetPtr(pcd->hdpaTwins, pcd->idpaTwin, (LPVOID)pcd->hft);
DEBUG_CODE( TRACE_MSG(TF_GENERAL, TEXT("Adding new folder twin")); )
DEBUG_CODE( Sync_Dump(pnft, NEWFOLDERTWIN); )
}
return hres;
}
/*----------------------------------------------------------
Purpose: Add folder twins based on the list of extensions
Returns: standard result
Cond: --
*/
HRESULT PRIVATE Info_AddTwins(
PINFO this,
PNEWFOLDERTWIN pnft,
PADDTWINSDATA patd, // May be NULL
LPTSTR pszExtList) // This function writes in this buffer
{
HRESULT hres = NOERROR;
CHANGEDATA cd;
HDPA hdpa;
int idpa;
TCHAR szWildcard[MAX_EXT_LEN];
LPTSTR psz;
LPTSTR pszT;
TCHAR ch;
hdpa = this->pinfodata->hdpaTwins;
cd.hbrf = PageData_GetHbrf(this->ppagedata);
cd.hdpaTwins = hdpa;
if (patd)
{
cd.hdpaFolders = patd->hdpaSortedFolders;
cd.idpaStart = patd->idpaStart;
}
cd.uState = this->uState;
pnft->pcszName = szWildcard;
szWildcard[0] = TEXT('*');
for (psz = pszExtList; *psz; )
{
TWINRESULT tr;
HFOLDERTWIN hft = NULL;
// Find the beginning of the next extension for the next iteration
for (pszT = CharNext(psz); *pszT && TEXT('.') != *pszT; pszT = CharNext(pszT))
;
ch = *pszT;
*pszT = 0; // Temporary assignment
// Copy the extension into the name string
lstrcpy(&szWildcard[1], psz);
*pszT = ch;
psz = pszT;
// First make sure we can add another handle to hdpaTwins
if (DPA_ERR == (idpa = DPA_InsertPtr(hdpa, DPA_APPEND, (LPVOID)hft)))
{
hres = ResultFromScode(E_OUTOFMEMORY);
break; // Failed
}
// Add the folder twin to the database
tr = Sync_AddFolder(cd.hbrf, pnft, &hft);
if (patd)
{
cd.idpaTwin = idpa;
cd.hft = hft;
ASSERT(patd->pfnCallback);
if ( FAILED((hres = patd->pfnCallback(pnft, tr, &cd))) )
{
break;
}
}
else if (TR_SUCCESS != tr)
{
// Sync_AddFolder failed
DPA_DeletePtr(hdpa, idpa);
hres = HRESULT_FROM_TR(tr);
break;
}
else
{
// Sync_AddFolder succeeded
DPA_SetPtr(hdpa, idpa, (LPVOID)hft);
DEBUG_CODE( Sync_Dump(pnft, NEWFOLDERTWIN); )
}
}
return hres;
}
/*----------------------------------------------------------
Purpose: Add the folder twin to the database
Returns: standard result
Cond: --
*/
HRESULT PRIVATE Info_CommitStandAlone(
PINFO this)
{
HRESULT hres;
NEWFOLDERTWIN nft;
LPTSTR pszExtList;
RETRY_BEGIN(FALSE)
{
ZeroInit(&nft, NEWFOLDERTWIN);
nft.ulSize = sizeof(nft);
nft.pcszFolder1 = Atom_GetName(this->ppagedata->atomPath);
nft.pcszFolder2 = Atom_GetName(this->pinfodata->atomTo);
// nft.pcszName is set in Info_AddTwins()
nft.dwAttributes = OBJECT_TWIN_ATTRIBUTES;
nft.dwFlags = IsFlagSet(this->uState, IS_INCLUDESUBS) ? NFT_FL_SUBTREE : 0;
// Create an extension list based on the dialog settings
if (!Info_GetSelections(this, &pszExtList))
{
// Failed
hres = ResultFromScode(E_OUTOFMEMORY);
}
else
{
// Add the twins
hres = Info_AddTwins(this, &nft, NULL, pszExtList);
GFree(pszExtList);
}
if (SUCCEEDED(hres))
{
// Since the engine does not create folders if the folder is empty,
// we will create the folder now (whether it is empty or not).
// If the folder already exists, CreateDirectory will fail.
// Big deal.
CreateDirectory(nft.pcszFolder2, NULL);
PathNotifyShell(nft.pcszFolder2, NSE_MKDIR, FALSE);
}
else
{
DWORD dwError = GetLastError();
int id;
// Unavailable disk?
if (ERROR_INVALID_DATA == dwError || ERROR_ACCESS_DENIED == dwError)
{
// Yes
hres = E_TR_UNAVAILABLE_VOLUME;
}
id = SEMsgBox(this->hwnd, IDS_CAP_INFO, hres, c_rgseInfo, ARRAYSIZE(c_rgseInfo));
if (IDRETRY == id)
{
// Try the operation again
RETRY_SET();
}
}
}
RETRY_END()
return hres;
}
/*----------------------------------------------------------
Purpose: Commit the user changes to the database. We delete
all old hFolderTwins, and add new ones.
Returns: standard result
Cond: --
*/
HRESULT PRIVATE Info_CommitChange(
PINFO this)
{
HRESULT hres;
PFOLDERTWINLIST pftl;
hres = PageData_Query(this->ppagedata, this->hwnd, NULL, &pftl);
if (S_FALSE == hres)
{
// The folder has become an orphan right under our nose.
// Don't do anything.
Info_DisableAll(this);
}
else if (S_OK == hres)
{
LPCTSTR pszPath = Atom_GetName(this->ppagedata->atomPath);
ADDTWINSDATA atd;
DECLAREHOURGLASS;
SetHourglass();
atd.pfnCallback = ChangeTwinProc;
// Create a sorted DPA based on the folder twin list
atd.hdpaSortedFolders = CreateSortedFolderDPA(pftl);
if (atd.hdpaSortedFolders)
{
// Create an extension list based on the dialog settings
LPTSTR pszExtList = NULL;
if (Info_GetSelections(this, &pszExtList))
{
NEWFOLDERTWIN nft;
PCFOLDERTWIN pcft;
PCFOLDERTWIN pcftLast;
int idpa;
int cdpa;
// Now add new folder twins. Iterate thru atd.hdpaSortedFolders.
// For each unique folder twin in this list, we add a new twin,
// using the old lpcszFolder as the lpcszFolder2 field in our
// NEWFOLDERTWIN structure.
//
ZeroInit(&nft, NEWFOLDERTWIN);
nft.ulSize = sizeof(NEWFOLDERTWIN);
nft.pcszFolder1 = pszPath;
// nft.pcszFolder2 is set in loop below
// nft.pcszName is set in Info_AddTwins()
nft.dwAttributes = OBJECT_TWIN_ATTRIBUTES;
nft.dwFlags = IsFlagSet(this->uState, IS_INCLUDESUBS) ? NFT_FL_SUBTREE : 0;
// Iterate thru existing folder twins. Act on each unique one.
cdpa = DPA_GetPtrCount(atd.hdpaSortedFolders);
pcftLast = NULL;
for (idpa = 0; idpa < cdpa; idpa++)
{
pcft = DPA_FastGetPtr(atd.hdpaSortedFolders, idpa);
// Unique?
if (pcftLast && pcft->pcszOtherFolder == pcftLast->pcszOtherFolder)
{
// No; skip to next one
continue;
}
// This is a unique folder. Add it using the extensions in
// pszExtList.
atd.idpaStart = idpa;
nft.pcszFolder2 = pcft->pcszOtherFolder;
hres = Info_AddTwins(this, &nft, &atd, pszExtList);
if (FAILED(hres))
{
goto Cleanup;
}
pcftLast = pcft;
}
// Delete any old twins
for (pcft = pftl->pcftFirst; pcft; pcft = pcft->pcftNext)
{
// Is it okay to delete this twin?
if (pcft->hftOther && FALSE == pcft->dwUser)
{
// Yes
TRACE_MSG(TF_GENERAL, TEXT("Deleting folder twin with extension '%s'"), pcft->pcszName);
Sync_DeleteTwin(pcft->hftOther);
}
}
Cleanup:
GFree(pszExtList);
}
DPA_Destroy(atd.hdpaSortedFolders);
}
ResetHourglass();
// Notify the shell of the change
PathNotifyShell(pszPath, NSE_UPDATEITEM, FALSE);
// Throw out the last saved settings and reset
GFree(this->pszExtListPrev);
Info_GetSelections(this, &this->pszExtListPrev);
this->ppagedata->bRecalc = TRUE;
if (FAILED(hres))
{
static SETbl const c_rgseInfoChange[] = {
{ E_TR_OUT_OF_MEMORY, IDS_OOM_CHANGETYPES, MB_ERROR },
{ E_OUTOFMEMORY, IDS_OOM_CHANGETYPES, MB_ERROR },
{ E_TR_SUBTREE_CYCLE_FOUND, IDS_ERR_ADD_SUBTREECYCLE, MB_WARNING },
};
SEMsgBox(this->hwnd, IDS_CAP_INFO, hres, c_rgseInfoChange, ARRAYSIZE(c_rgseInfoChange));
}
}
return hres;
}
/*----------------------------------------------------------
Purpose: Info WM_INITDIALOG Handler
Returns:
Cond: --
*/
BOOL PRIVATE Info_OnInitDialog(
PINFO this,
HWND hwndFocus,
LPARAM lParam) // LPPROPSHEETINFO
{
this->ppagedata = (PPAGEDATA)((LPPROPSHEETPAGE)lParam)->lParam;
this->pinfodata = (PINFODATA)this->ppagedata->lParam;
// Set the text of the controls
Info_InitLabels(this);
// Fill listbox and set the control selections
Info_FillTypesList(this);
if (Info_StandAlone(this))
{
Info_SetSelections(this);
Info_GetSelections(this, &this->pszExtListPrev);
}
this->bInit = TRUE;
return TRUE;
}
/*----------------------------------------------------------
Purpose: PSN_APPLY handler
Returns: FALSE if everything is OK
TRUE to have the property sheet switch to this page to
correct something.
Cond: --
*/
BOOL PRIVATE Info_OnApply(
PINFO this)
{
BOOL bRet;
LPTSTR pszExtList;
ASSERT(!Info_StandAlone(this));
Info_GetSelections(this, &pszExtList);
// Deny the apply?
if (IsFlagSet(this->uState, IS_DENYAPPLY))
{
// Yes; don't let the apply go thru
MsgBox(this->hwnd, MAKEINTRESOURCE(IDS_MSG_SPECIFYTYPE),
MAKEINTRESOURCE(IDS_CAP_INFO), NULL, MB_ERROR);
bRet = PSNRET_INVALID;
}
// Have any settings changed?
else if (pszExtList && this->pszExtListPrev &&
// (Assume extensions are always listed in same order)
IsSzEqual(this->pszExtListPrev, pszExtList) &&
IsFlagSet(this->uState, IS_INCLUDESUBS) == IsFlagSet(this->uState, IS_LAST_INCLUDESUBS))
{
// No
bRet = PSNRET_NOERROR;
}
else
{
// Yes; commit the changes
Info_CommitChange(this);
// Sync up the current/previous state
if (IsFlagSet(this->uState, IS_INCLUDESUBS))
SetFlag(this->uState, IS_LAST_INCLUDESUBS);
else
ClearFlag(this->uState, IS_LAST_INCLUDESUBS);
bRet = PSNRET_NOERROR;
}
GFree(pszExtList);
ClearFlag(this->uState, IS_CHANGED);
return bRet;
}
/*----------------------------------------------------------
Purpose: PSN_SETACTIVE handler
Returns: --
Cond: --
*/
void PRIVATE Info_OnSetActive(
PINFO this)
{
HWND hwnd = this->hwnd;
// Cause the page to be painted right away
SetWindowRedraw(hwnd, TRUE);
InvalidateRect(hwnd, NULL, TRUE);
UpdateWindow(hwnd);
if (this->bInit)
{
PageData_Init(this->ppagedata, GetParent(hwnd));
this->bInit = FALSE;
Info_SetSelections(this);
Info_GetSelections(this, &this->pszExtListPrev);
}
// Is this data still valid?
else if (S_FALSE == PageData_Query(this->ppagedata, this->hwnd, NULL, NULL))
{
// No; the folder has become an orphan
Info_DisableAll(this);
}
}
/*----------------------------------------------------------
Purpose: WM_NOTIFY handler
Returns: varies
Cond: --
*/
LRESULT PRIVATE Info_OnNotify(
PINFO this,
int idFrom,
NMHDR * lpnmhdr)
{
LRESULT lRet = 0;
switch (lpnmhdr->code)
{
case PSN_SETACTIVE:
Info_OnSetActive(this);
break;
case PSN_APPLY:
lRet = Info_OnApply(this);
break;
default:
break;
}
return lRet;
}
/*----------------------------------------------------------
Purpose: Determines whether to keep from leaving this sheet.
For the stand-alone ('Add Folder') dialog, this
function enables or disables the OK button.
Returns: --
Cond: --
*/
void PRIVATE Info_DenyKill(
PINFO this,
BOOL bDeny)
{
if (Info_StandAlone(this))
{
Button_Enable(GetDlgItem(this->hwnd, IDOK), !bDeny);
}
else
{
if (bDeny)
SetFlag(this->uState, IS_DENYAPPLY);
else
ClearFlag(this->uState, IS_DENYAPPLY);
}
}
/*----------------------------------------------------------
Purpose: Enable the Apply button
Returns: --
Cond: --
*/
void PRIVATE Info_HandleChange(
PINFO this)
{
if (IsFlagClear(this->uState, IS_CHANGED) && !Info_StandAlone(this))
{
SetFlag(this->uState, IS_CHANGED);
PropSheet_Changed(GetParent(this->hwnd), this->hwnd);
}
}
/*----------------------------------------------------------
Purpose: Info WM_COMMAND Handler
Returns: --
Cond: --
*/
VOID PRIVATE Info_OnCommand(
PINFO this,
int id,
HWND hwndCtl,
UINT uNotifyCode)
{
HWND hwnd = this->hwnd;
switch (id)
{
case IDC_RBINALL:
Info_DenyKill(this, FALSE);
// fall thru
case IDC_RBINSELECTED:
// Disable/enable listbox depending on which radio button
// is marked.
//
if (IDC_RBINALL == id)
SetFlag(this->uState, IS_ALLTYPES);
else
ClearFlag(this->uState, IS_ALLTYPES);
ListBox_Enable(GetDlgItem(hwnd, IDC_LBINTYPES), IsFlagClear(this->uState, IS_ALLTYPES));
if (IDC_RBINSELECTED == id &&
0 == ListBox_GetSelCount(GetDlgItem(hwnd, IDC_LBINTYPES)))
{
Info_DenyKill(this, TRUE);
}
Info_HandleChange(this);
break;
case IDC_LBINTYPES:
if (uNotifyCode == LBN_SELCHANGE)
{
// Disable/enable OK button based on number of selections
// in listbox.
//
int csel = ListBox_GetSelCount(GetDlgItem(hwnd, IDC_LBINTYPES));
if (csel == 0)
Info_DenyKill(this, TRUE);
else if (csel != this->cselPrev && this->cselPrev == 0)
Info_DenyKill(this, FALSE);
this->cselPrev = csel;
Info_HandleChange(this);
}
break;
case IDC_CHININCLUDE:
if (FALSE != Button_GetCheck(GetDlgItem(hwnd, IDC_CHININCLUDE)))
SetFlag(this->uState, IS_INCLUDESUBS);
else
ClearFlag(this->uState, IS_INCLUDESUBS);
Info_HandleChange(this);
break;
case IDOK:
if (FAILED(Info_CommitStandAlone(this)))
EndDialog(hwnd, -1);
// Fall thru
// | |
// v v
case IDCANCEL:
if (Info_StandAlone(this))
EndDialog(hwnd, id);
break;
}
}
/*----------------------------------------------------------
Purpose: Handle WM_DESTROY
Returns: --
Cond: --
*/
void PRIVATE Info_OnDestroy(
PINFO this)
{
GFree(this->pszExtListPrev);
}
///////////////////////////////////////////////////// PRIVATE FUNCTIONS
static BOOL s_bInfoRecurse = FALSE;
LRESULT INLINE Info_DefProc(
HWND hDlg,
UINT msg,
WPARAM wParam,
LPARAM lParam)
{
ENTEREXCLUSIVE();
{
s_bInfoRecurse = TRUE;
}
LEAVEEXCLUSIVE();
return DefDlgProc(hDlg, msg, wParam, lParam);
}
/*----------------------------------------------------------
Purpose: Real Create Folder Twin dialog proc
Returns: varies
Cond: --
*/
LRESULT Info_DlgProc(
PINFO this,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
const static DWORD rgHelpIDs[] = {
IDC_RBINALL, IDH_BFC_FILTER_TYPE,
IDC_RBINSELECTED, IDH_BFC_FILTER_TYPE,
IDC_LBINTYPES, IDH_BFC_FILTER_TYPE,
IDC_CHININCLUDE, IDH_BFC_FILTER_INCLUDE,
IDC_GBIN, IDH_BFC_FILTER_TYPE,
0, 0 };
switch (message)
{
HANDLE_MSG(this, WM_INITDIALOG, Info_OnInitDialog);
HANDLE_MSG(this, WM_COMMAND, Info_OnCommand);
HANDLE_MSG(this, WM_NOTIFY, Info_OnNotify);
HANDLE_MSG(this, WM_DESTROY, Info_OnDestroy);
case WM_HELP:
WinHelp(((LPHELPINFO)lParam)->hItemHandle, c_szWinHelpFile, HELP_WM_HELP, (DWORD_PTR)(LPVOID)rgHelpIDs);
return 0;
case WM_CONTEXTMENU:
WinHelp((HWND)wParam, c_szWinHelpFile, HELP_CONTEXTMENU, (DWORD_PTR)(LPVOID)rgHelpIDs);
return 0;
default:
return Info_DefProc(this->hwnd, message, wParam, lParam);
}
}
/*----------------------------------------------------------
Purpose: Create Folder Twin Dialog Wrapper
Returns: varies
Cond: --
*/
INT_PTR _export CALLBACK Info_WrapperProc(
HWND hDlg, // std params
UINT message,
WPARAM wParam,
LPARAM lParam)
{
PINFO this;
// Cool windowsx.h dialog technique. For full explanation, see
// WINDOWSX.TXT. This supports multiple-instancing of dialogs.
//
ENTEREXCLUSIVE();
{
if (s_bInfoRecurse)
{
s_bInfoRecurse = FALSE;
LEAVEEXCLUSIVE();
return FALSE;
}
}
LEAVEEXCLUSIVE();
this = Info_GetPtr(hDlg);
if (this == NULL)
{
if (message == WM_INITDIALOG)
{
this = GAlloc(sizeof(*this));
if (!this)
{
MsgBox(hDlg, MAKEINTRESOURCE(IDS_OOM_INFO), MAKEINTRESOURCE(IDS_CAP_INFO),
NULL, MB_ERROR);
EndDialog(hDlg, IDCANCEL);
return Info_DefProc(hDlg, message, wParam, lParam);
}
this->hwnd = hDlg;
Info_SetPtr(hDlg, this);
}
else
{
return Info_DefProc(hDlg, message, wParam, lParam);
}
}
if (message == WM_DESTROY)
{
Info_DlgProc(this, message, wParam, lParam);
GFree(this);
Info_SetPtr(hDlg, NULL);
return 0;
}
return SetDlgMsgResult(hDlg, message, Info_DlgProc(this, message, wParam, lParam));
}
///////////////////////////////////////////////////// PUBLIC FUNCTIONS
/*----------------------------------------------------------
Purpose: Entry point to invoke dialog
Returns: standard hresult
Cond: --
*/
HRESULT PUBLIC Info_DoModal(
HWND hwndOwner,
LPCTSTR pszPathFrom, // Source path
LPCTSTR pszPathTo, // Target path
HDPA hdpaTwin,
PCBS pcbs)
{
HRESULT hres;
PROPSHEETPAGE psp;
PAGEDATA pagedata;
INFODATA infodata;
// (Use the source path for the atomPath because the target path
// does not exist yet.)
pagedata.atomPath = Atom_Add(pszPathFrom);
if (ATOM_ERR != pagedata.atomPath)
{
infodata.atomTo = Atom_Add(pszPathTo);
if (ATOM_ERR != infodata.atomTo)
{
INT_PTR nRet;
pagedata.pcbs = pcbs;
pagedata.lParam = (LPARAM)&infodata;
infodata.hdpaTwins = hdpaTwin;
infodata.bStandAlone = TRUE;
// Fake up a propsheetinfo struct for the dialog box
psp.lParam = (LPARAM)&pagedata; // this is all we care about
nRet = DoModal(hwndOwner, Info_WrapperProc, IDD_INFOCREATE, (LPARAM)(LPVOID)&psp);
Atom_Delete(infodata.atomTo);
switch (nRet)
{
case IDOK: hres = NOERROR; break;
case IDCANCEL: hres = E_ABORT; break;
default: hres = E_OUTOFMEMORY; break;
}
}
else
{
hres = E_OUTOFMEMORY;
}
Atom_Delete(pagedata.atomPath);
}
else
{
hres = E_OUTOFMEMORY;
}
return hres;
}
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