Windows Kernel

Development Platform:

Visual C++

fileopen.c：Code Content

/*++
Module Name:
fileopen.c
Abstract:
This module implements the Win32 fileopen dialogs.
Revision History:
--*/
//
// Include Files.
//
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windows.h>
#include <port1632.h>
#include <lm.h>
#include <winnetwk.h>
#include <npapi.h>
#include <shellapi.h>
#include <shlapip.h>
#include <commctrl.h>
#include <comctrlp.h>
#include <tchar.h>
#include "privcomd.h"
#include "fileopen.h"
//
// Constant Declarations.
//
#define WNTYPE_DRIVE 1
#define MIN_DEFEXT_LEN 4
#define BMPHIOFFSET 9
//
// hbmpDirs array index values.
// Note: Two copies: for standard background, and hilite.
// Relative order is important.
//
#define OPENDIRBMP 0
#define CURDIRBMP 1
#define STDDIRBMP 2
#define FLOPPYBMP 3
#define HARDDRVBMP 4
#define CDDRVBMP 5
#define NETDRVBMP 6
#define RAMDRVBMP 7
#define REMDRVBMP 8
//
// If the following disktype is passed to AddDisk, then bTmp will be
// set to true in the DISKINFO structure (if the disk is new).
//
#define TMPNETDRV 9
#define MAXDOSFILENAMELEN (12 + 1) // 8.3 filename + 1 for NULL
//
// Global Variables.
//
//
// Caching drive list.
//
extern DWORD dwNumDisks;
extern OFN_DISKINFO gaDiskInfo[MAX_DISKS];
DWORD dwNumDlgs = 0;
//
// Used to update the dialogs after coming back from the net dlg button.
//
BOOL bGetNetDrivesSync = FALSE;
LPTSTR lpNetDriveSync = NULL;
BOOL bNetworkInstalled = TRUE;
//
// Following array is used to send messages to all dialog box threads
// that have requested enumeration updating from the worker
// thread. The worker thread sends off a message to each slot
// in the array that is non-NULL.
//
HWND gahDlg[MAX_THREADS];
//
// For WNet apis.
//
HANDLE hLNDThread = NULL;
extern HANDLE hMPR;
extern HANDLE hMPRUI;
TCHAR szCOMDLG32[] = TEXT("comdlg32.dll");
TCHAR szMPR[] = TEXT("mpr.dll");
TCHAR szMPRUI[] = TEXT("mprui.dll");
//
// WNet stuff from mpr.dll.
//
typedef DWORD (WINAPI *LPFNWNETCONNDLG)(HWND, DWORD);
typedef DWORD (WINAPI *LPFNWNETOPENENUM)(DWORD, DWORD, DWORD, LPNETRESOURCE, LPHANDLE);
typedef DWORD (WINAPI *LPFNWNETENUMRESOURCE)(HANDLE, LPDWORD, LPVOID, LPDWORD);
typedef DWORD (WINAPI *LPFNWNETCLOSEENUM)(HANDLE);
typedef DWORD (WINAPI *LPFNWNETFORMATNETNAME)(LPTSTR, LPTSTR, LPTSTR, LPDWORD, DWORD, DWORD);
typedef DWORD (WINAPI *LPFNWNETRESTORECONN)(HWND, LPTSTR);
LPFNWNETCONNDLG lpfnWNetConnDlg;
LPFNWNETOPENENUM lpfnWNetOpenEnum;
LPFNWNETENUMRESOURCE lpfnWNetEnumResource;
LPFNWNETCLOSEENUM lpfnWNetCloseEnum;
LPFNWNETFORMATNETNAME lpfnWNetFormatNetName;
LPFNWNETRESTORECONN lpfnWNetRestoreConn;
//
// !!!!!
// Keep CHAR until unicode GetProcAddrW.
//
CHAR szWNetGetConn[] = "WNetGetConnectionW";
CHAR szWNetConnDlg[] = "WNetConnectionDialog";
CHAR szWNetOpenEnum[] = "WNetOpenEnumW";
CHAR szWNetEnumResource[] = "WNetEnumResourceW";
CHAR szWNetCloseEnum[] = "WNetCloseEnum";
CHAR szWNetFormatNetName[] = "WNetFormatNetworkNameW";
CHAR szWNetRestoreConn[] = "WNetRestoreConnectionW";
WNDPROC lpLBProc = NULL;
WNDPROC lpOKProc = NULL;
//
// Drive/Dir bitmap dimensions.
//
LONG dxDirDrive = 0;
LONG dyDirDrive = 0;
//
// BUG! This needs to be on a per dialog basis for multi-threaded apps.
//
WORD wNoRedraw = 0;
UINT msgWOWDIRCHANGE;
UINT msgLBCHANGEA;
UINT msgSHAREVIOLATIONA;
UINT msgFILEOKA;
UINT msgLBCHANGEW;
UINT msgSHAREVIOLATIONW;
UINT msgFILEOKW;
BOOL bInChildDlg;
BOOL bFirstTime;
BOOL bInitializing;
//
// Used by the worker thread to enumerate network disk resources.
//
extern DWORD cbNetEnumBuf;
extern LPTSTR gpcNetEnumBuf;
//
// List Net Drives global variables.
//
extern HANDLE hLNDEvent;
BOOL bLNDExit = FALSE;
extern CRITICAL_SECTION g_csLocal;
extern CRITICAL_SECTION g_csNetThread;
extern DWORD g_tlsiCurDir;
extern DWORD g_tlsiCurThread;
extern HDC hdcMemory;
extern HBITMAP hbmpOrigMemBmp;
HBITMAP hbmpDirDrive = HNULL;
//
// Static Declarations.
//
static WORD cLock = 0;
//
// Not valid RGB color.
//
static DWORD rgbWindowColor = 0xFF000000;
static DWORD rgbHiliteColor = 0xFF000000;
static DWORD rgbWindowText = 0xFF000000;
static DWORD rgbHiliteText = 0xFF000000;
static DWORD rgbGrayText = 0xFF000000;
static DWORD rgbDDWindow = 0xFF000000;
static DWORD rgbDDHilite = 0xFF000000;
TCHAR szCaption[TOOLONGLIMIT + WARNINGMSGLENGTH];
TCHAR szWarning[TOOLONGLIMIT + WARNINGMSGLENGTH];
LPOFNHOOKPROC glpfnFileHook = 0;
//
// BUG!!
// Of course, in the case where there is a multi-threaded process
// that has > 1 threads simultaneously calling GetFileOpen, the
// following globals may cause problems. Ntvdm???
//
static LONG dyItem = 0;
static LONG dyText;
static BOOL bChangeDir = FALSE;
static BOOL bCasePreserved;
//
// Used for formatting long unc names (ex. banyan).
//
static DWORD dwAveCharPerLine = 10;
//
// Function Prototypes.
//
SHORT
GetFileTitleX(
LPTSTR lpszFile,
LPTSTR lpszTitle,
WORD wBufSize);
BOOL
GetFileName(
POPENFILEINFO pOFI,
WNDPROC qfnDlgProc);
BOOL
FileOpenDlgProc(
HWND hDlg,
UINT wMsg,
WPARAM wParam,
LPARAM lParam);
BOOL
FileSaveDlgProc(
HWND hDlg,
UINT wMsg,
WPARAM wParam,
LPARAM lParam);
BOOL
InitFileDlg(
HWND hDlg,
WPARAM wParam,
POPENFILEINFO pOFI);
INT
InitTlsValues();
DWORD
InitFilterBox(
HANDLE hDlg,
LPCTSTR lpszFilter);
VOID
InitCurrentDisk(
HWND hDlg,
POPENFILEINFO pOFI,
WORD cmb);
VOID
vDeleteDirDriveBitmap();
BOOL
LoadDirDriveBitmap();
void
SetRGBValues();
BOOL
FSetUpFile();
BOOL
FileOpenCmd(
HANDLE hDlg,
WPARAM wP,
DWORD lParam,
POPENFILEINFO pOFI,
BOOL bSave);
BOOL
UpdateListBoxes(
HWND hDlg,
POPENFILEINFO pOFI,
LPTSTR lpszFilter,
WORD wMask);
BOOL
OKButtonPressed(
HWND hDlg,
POPENFILEINFO pOFI,
BOOL bSave);
BOOL
MultiSelectOKButton(
HWND hDlg,
POPENFILEINFO pOFI,
BOOL bSave);
BOOL WINAPI
dwOKSubclass(
HWND hOK,
UINT msg,
WPARAM wP,
LPARAM lP);
BOOL WINAPI
dwLBSubclass(
HWND hLB,
UINT msg,
WPARAM wP,
LPARAM lP);
INT
InvalidFileWarning(
HWND hDlg,
LPTSTR szFile,
DWORD wErrCode,
UINT mbType);
VOID
MeasureItem(
HWND hDlg,
LPMEASUREITEMSTRUCT mis);
INT
Signum(
INT nTest);
VOID
DrawItem(
POPENFILEINFO pOFI,
HWND hDlg,
WPARAM wParam,
LPDRAWITEMSTRUCT lpdis,
BOOL bSave);
BOOL
SpacesExist(
LPTSTR szFileName);
void
StripFileName(
HANDLE hDlg,
BOOL bWowApp);
LPTSTR
lstrtok(
LPTSTR lpStr,
LPTSTR lpDelim);
LPTSTR
ChopText(
HWND hwndDlg,
INT idStatic,
LPTSTR lpch);
BOOL
FillOutPath(
HWND hList,
POPENFILEINFO pOFI);
INT
FListAll(
POPENFILEINFO pOFI,
HWND hDlg,
LPTSTR szSpec);
INT
ChangeDir(
HWND hDlg,
LPCTSTR lpszDir,
BOOL bForce,
BOOL bError);
BOOL
IsFileSystemCasePreserving(
LPTSTR lpszDisk);
BOOL
IsLFNDriveX(
HWND hDlg,
LPTSTR szPath);
INT
DiskAddedPreviously(
TCHAR wcDrive,
LPTSTR lpszName);
INT
AddDisk(
TCHAR wcDrive,
LPTSTR lpName,
LPTSTR lpProvider,
DWORD dwType);
VOID
EnableDiskInfo(
BOOL bValid,
BOOL bDoUnc);
VOID
FlushDiskInfoToCmb2();
VOID
LoadMPR();
BOOL
CallNetDlg(
HWND hWnd);
UINT
GetDiskType(
LPTSTR lpszDisk);
DWORD
GetUNCDirectoryFromLB(
HWND hDlg,
WORD nLB,
POPENFILEINFO pOFI);
VOID
SelDisk(
HWND hDlg,
LPTSTR lpszDisk);
VOID
LNDSetEvent(
HWND hDlg);
VOID
UpdateLocalDrive(
LPTSTR szDrive,
BOOL bGetVolName);
VOID
GetNetDrives(
DWORD dwScope);
VOID
ListNetDrivesHandler();
VOID
LoadDrives(
HWND hDlg);
DWORD
GetDiskIndex(
DWORD dwDriveType);
VOID
CleanUpFile();
VOID
FileOpenAbort();
VOID
TermFile();
#ifdef UNICODE
//VOID // prototype in fileopen.h
//ThunkOpenFileNameA2WDelayed(
// POPENFILEINFO pOFI);
//BOOL // prototype in fileopen.h
//ThunkOpenFileNameA2W(
// POPENFILEINFO pOFI);
//BOOL // prototype in fileopen.h
//ThunkOpenFileNameW2A(
// POPENFILEINFO pOFI);
BOOL
GenericGetFileNameA(
LPOPENFILENAMEA pOFNA,
WNDPROC qfnDlgProc);
#endif
#ifdef UNICODE
////////////////////////////////////////////////////////////////////////////
//
// GetFileTitleA
//
// ANSI entry point for GetFileTitle when this code is built UNICODE.
//
////////////////////////////////////////////////////////////////////////////
SHORT WINAPI GetFileTitleA(
LPCSTR lpszFileA,
LPSTR lpszTitleA,
WORD cbBuf)
{
LPWSTR lpszFileW;
LPWSTR lpszTitleW;
BOOL fResult;
DWORD cbLen;
//
// Init File string.
//
if (lpszFileA)
{
cbLen = lstrlenA(lpszFileA) + 1;
if (!(lpszFileW = (LPWSTR)LocalAlloc(LPTR, (cbLen * sizeof(WCHAR)))))
{
StoreExtendedError(CDERR_MEMALLOCFAILURE);
return (FALSE);
}
else
{
MultiByteToWideChar( CP_ACP,
0,
(LPSTR)lpszFileA,
-1,
lpszFileW,
cbLen );
}
}
else
{
lpszFileW = NULL;
}
if (!(lpszTitleW = (LPWSTR)LocalAlloc(LPTR, (cbBuf * sizeof(WCHAR)))))
{
StoreExtendedError(CDERR_MEMALLOCFAILURE);
if (lpszFileW)
{
LocalFree(lpszFileW);
}
return (FALSE);
}
if (!(fResult = GetFileTitleW(lpszFileW, lpszTitleW, cbBuf)))
{
WideCharToMultiByte( CP_ACP,
0,
lpszTitleW,
-1,
lpszTitleA,
cbBuf,
NULL,
NULL );
}
//
// Clean up memory.
//
LocalFree(lpszTitleW);
if (lpszFileW)
{
LocalFree(lpszFileW);
}
return (fResult);
}
#else
////////////////////////////////////////////////////////////////////////////
//
// GetFileTitleW
//
// Stub UNICODE function for GetFileTitle when this code is built ANSI.
//
////////////////////////////////////////////////////////////////////////////
SHORT WINAPI GetFileTitleW(
LPCWSTR lpszFileW,
LPWSTR lpszTitleW,
WORD cbBuf)
{
SetLastErrorEx(SLE_WARNING, ERROR_CALL_NOT_IMPLEMENTED);
return (FALSE);
}
#endif
////////////////////////////////////////////////////////////////////////////
//
// GetFileTitle
//
// The GetFileTitle function returns the name of the file identified
// by the lpCFile parameter. This is useful if the file name was
// received via some method other than GetOpenFileName
// (e.g. command line, drag drop).
//
// Returns: 0 on success
// < 0, Parsing failure (invalid file name)
// > 0, buffer too small, size needed (including NULL terminator)
//
////////////////////////////////////////////////////////////////////////////
SHORT WINAPI GetFileTitle(
LPCTSTR lpCFile,
LPTSTR lpTitle,
WORD cbBuf)
{
LPTSTR lpFile;
DWORD cbLen;
SHORT fResult;
//
// Init File string.
//
if (lpCFile)
{
cbLen = lstrlen(lpCFile) + 1;
if (!(lpFile = (LPTSTR)LocalAlloc(LPTR, (cbLen * sizeof(TCHAR)))))
{
StoreExtendedError(CDERR_MEMALLOCFAILURE);
return (FALSE);
}
else
{
lstrcpy(lpFile, lpCFile);
}
}
else
{
lpFile = NULL;
}
fResult = GetFileTitleX(lpFile, lpTitle, cbBuf);
//
// Clean up memory.
//
if (lpFile)
{
LocalFree(lpFile);
}
return (fResult);
}
////////////////////////////////////////////////////////////////////////////
//
// GetFileTitleX
//
// Worker routine for the GetFileTitle api.
//
// Assumes: lpszFile points to NULL terminated DOS filename (may have path)
// lpszTitle points to buffer to receive NULL terminated file title
// wBufSize is the size of buffer pointed to by lpszTitle
//
// Returns: 0 on success
// < 0, Parsing failure (invalid file name)
// > 0, buffer too small, size needed (including NULL terminator)
//
////////////////////////////////////////////////////////////////////////////
SHORT GetFileTitleX(
LPTSTR lpszFile,
LPTSTR lpszTitle,
WORD wBufSize)
{
SHORT nNeeded;
LPTSTR lpszPtr;
nNeeded = (SHORT)(INT)LOWORD(ParseFile(lpszFile, TRUE, FALSE));
if (nNeeded >= 0)
{
//
// Is the filename valid?
//
lpszPtr = (LPTSTR)lpszFile + nNeeded;
if ((nNeeded = (SHORT)lstrlen(lpszPtr) + 1) <= (INT)wBufSize)
{
//
// ParseFile() fails if wildcards in directory, but OK if in name.
// Since they arent OK here, the check is needed here.
//
if (mystrchr(lpszPtr, CHAR_STAR) ||
mystrchr(lpszPtr, CHAR_QMARK))
{
nNeeded = PARSE_WILDCARDINFILE;
}
else
{
lstrcpy(lpszTitle, lpszPtr);
//
// Remove trailing spaces.
//
lpszPtr = lpszTitle + lstrlen(lpszTitle) - 1;
while (*lpszPtr && *lpszPtr == CHAR_SPACE)
{
*lpszPtr-- = CHAR_NULL;
}
nNeeded = 0;
}
}
}
return (nNeeded);
}
#ifdef UNICODE
////////////////////////////////////////////////////////////////////////////
//
// GetOpenFileNameA
//
// ANSI entry point for GetOpenFileName when this code is built UNICODE.
//
////////////////////////////////////////////////////////////////////////////
BOOL WINAPI GetOpenFileNameA(
LPOPENFILENAMEA pOFNA)
{
if (!pOFNA)
{
StoreExtendedError(CDERR_INITIALIZATION);
return (FALSE);
}
return ( GenericGetFileNameA(pOFNA, (WNDPROC)FileOpenDlgProc) );
}
#else
////////////////////////////////////////////////////////////////////////////
//
// GetOpenFileNameW
//
// Stub UNICODE function for GetOpenFileName when this code is built ANSI.
//
////////////////////////////////////////////////////////////////////////////
BOOL WINAPI GetOpenFileNameW(
LPOPENFILENAMEW pOFNW)
{
SetLastErrorEx(SLE_WARNING, ERROR_CALL_NOT_IMPLEMENTED);
return (FALSE);
}
#endif
////////////////////////////////////////////////////////////////////////////
//
// GetOpenFileName
//
// The GetOpenFileName function creates a system-defined dialog box
// that enables the user to select a file to open.
//
// Returns: TRUE if user specified name
// FALSE if not
//
////////////////////////////////////////////////////////////////////////////
BOOL WINAPI GetOpenFileName(
LPOPENFILENAME pOFN)
{
OPENFILEINFO OFI;
ZeroMemory(&OFI, sizeof(OPENFILEINFO));
if (!pOFN)
{
StoreExtendedError(CDERR_INITIALIZATION);
return (FALSE);
}
OFI.pOFN = pOFN;
OFI.ApiType = COMDLG_WIDE;
return ( GetFileName(&OFI, (WNDPROC)FileOpenDlgProc) );
}
#ifdef UNICODE
////////////////////////////////////////////////////////////////////////////
//
// GetSaveFileNameA
//
// ANSI entry point for GetSaveFileName when this code is built UNICODE.
//
////////////////////////////////////////////////////////////////////////////
BOOL WINAPI GetSaveFileNameA(
LPOPENFILENAMEA pOFNA)
{
return ( GenericGetFileNameA(pOFNA, (WNDPROC)FileSaveDlgProc) );
}
#else
////////////////////////////////////////////////////////////////////////////
//
// GetSaveFileNameW
//
// Stub UNICODE function for GetSaveFileName when this code is built ANSI.
//
////////////////////////////////////////////////////////////////////////////
BOOL WINAPI GetSaveFileNameW(
LPOPENFILENAMEW pOFNW)
{
SetLastErrorEx(SLE_WARNING, ERROR_CALL_NOT_IMPLEMENTED);
return (FALSE);
}
#endif
////////////////////////////////////////////////////////////////////////////
//
// GetSaveFileName
//
// The GetSaveFileName function creates a system-defined dialog box
// that enables the user to select a file to save.
//
// Returns: TRUE if user desires to save file and gave a proper name
// FALSE if not
//
////////////////////////////////////////////////////////////////////////////
BOOL WINAPI GetSaveFileName(
LPOPENFILENAME pOFN)
{
OPENFILEINFO OFI;
ZeroMemory(&OFI, sizeof(OPENFILEINFO));
OFI.pOFN = pOFN;
OFI.ApiType = COMDLG_WIDE;
return ( GetFileName(&OFI, (WNDPROC)FileSaveDlgProc) );
}
////////////////////////////////////////////////////////////////////////////
//
// GetFileName
//
// This is the meat of both GetOpenFileName and GetSaveFileName.
//
// Returns: TRUE if user specified name
// FALSE if not
//
////////////////////////////////////////////////////////////////////////////
BOOL GetFileName(
POPENFILEINFO pOFI,
WNDPROC qfnDlgProc)
{
LPOPENFILENAME pOFN = pOFI->pOFN;
INT iRet;
LPTSTR lpDlg;
HANDLE hRes, hDlgTemplate;
WORD wErrorMode;
HDC hdcScreen;
HBITMAP hbmpTemp;
static fFirstTime = TRUE;
LPTSTR lpCurDir, lpCurThread;
#ifdef UNICODE
UINT uiWOWFlag = 0;
#endif
if (!pOFN)
{
StoreExtendedError(CDERR_INITIALIZATION);
return (FALSE);
}
if (pOFN->lStructSize != sizeof(OPENFILENAME))
{
StoreExtendedError(CDERR_STRUCTSIZE);
return (FALSE);
}
//
// See if the application should get the new look.
//
// Do not allow the new look if they have hooks, templates, or
// multi select without the OFN_EXPLORER bit.
//
// Also don't allow the new look if we are in the context of
// a 16 bit process.
//
if ( ((pOFN->Flags & OFN_EXPLORER) ||
(!(pOFN->Flags & (OFN_ENABLEHOOK |
OFN_ENABLETEMPLATE |
OFN_ENABLETEMPLATEHANDLE |
OFN_ALLOWMULTISELECT)))) &&
#ifdef WINNT
(!(pOFN->Flags & CD_WOWAPP)) )
#else
(!(GetProcessDword(GetCurrentProcessId(), GPD_FLAGS) &
GPF_WIN16_PROCESS)) )
#endif
{
#ifdef UNICODE
//
// To be used by the thunking routines for multi selection.
//
pOFI->bUseNewDialog = TRUE;
#endif
//
// Show the new explorer look.
//
StoreExtendedError(0);
bUserPressedCancel = FALSE;
if (qfnDlgProc == (WNDPROC)FileOpenDlgProc)
{
return ( NewGetOpenFileName(pOFI) );
}
else
{
return ( NewGetSaveFileName(pOFI) );
}
}
if (fFirstTime)
{
//
// Create a DC that is compatible with the screen and find the
// handle of the null bitmap.
//
hdcScreen = GetDC(HNULL);
if (!hdcScreen)
{
goto CantInit;
}
hdcMemory = CreateCompatibleDC(hdcScreen);
if (!hdcMemory)
{
goto ReleaseScreenDC;
}
hbmpTemp = CreateCompatibleBitmap(hdcMemory, 1, 1);
if (!hbmpTemp)
{
goto ReleaseMemDC;
}
hbmpOrigMemBmp = SelectObject(hdcMemory, hbmpTemp);
if (!hbmpOrigMemBmp)
{
goto ReleaseMemDC;
}
SelectObject(hdcMemory, hbmpOrigMemBmp);
DeleteObject(hbmpTemp);
ReleaseDC(HNULL, hdcScreen);
fFirstTime = FALSE;
}
if (pOFN->Flags & OFN_ENABLEHOOK)
{
if (!pOFN->lpfnHook)
{
StoreExtendedError(CDERR_NOHOOK);
return (FALSE);
}
}
else
{
pOFN->lpfnHook = NULL;
}
HourGlass(TRUE);
StoreExtendedError(0);
//
// Force re-compute for font changes between calls
//
dyItem = dyText = 0;
bUserPressedCancel = FALSE;
if (!FSetUpFile())
{
StoreExtendedError(CDERR_INITIALIZATION);
goto TERMINATE;
}
if (pOFN->Flags & OFN_ENABLETEMPLATE)
{
if (!(hRes = FindResource( pOFN->hInstance,
pOFN->lpTemplateName,
RT_DIALOG )))
{
StoreExtendedError(CDERR_FINDRESFAILURE);
goto TERMINATE;
}
if (!(hDlgTemplate = LoadResource(pOFN->hInstance, hRes)))
{
StoreExtendedError(CDERR_LOADRESFAILURE);
goto TERMINATE;
}
}
else if (pOFN->Flags & OFN_ENABLETEMPLATEHANDLE)
{
hDlgTemplate = pOFN->hInstance;
}
else
{
if (pOFN->Flags & OFN_ALLOWMULTISELECT)
{
lpDlg = MAKEINTRESOURCE(MULTIFILEOPENORD);
}
else
{
lpDlg = MAKEINTRESOURCE(FILEOPENORD);
}
if (!(hRes = FindResource(g_hinst, lpDlg, RT_DIALOG)))
{
StoreExtendedError(CDERR_FINDRESFAILURE);
goto TERMINATE;
}
if (!(hDlgTemplate = LoadResource(g_hinst, hRes)))
{
StoreExtendedError(CDERR_LOADRESFAILURE);
goto TERMINATE;
}
}
//
// No kernel network error dialogs.
//
wErrorMode = (WORD)SetErrorMode(SEM_NOERROR);
SetErrorMode(SEM_NOERROR | wErrorMode);
if (LockResource(hDlgTemplate))
{
if (pOFN->Flags & OFN_ENABLEHOOK)
{
glpfnFileHook = pOFN->lpfnHook;
}
#ifdef UNICODE
if (pOFN->Flags & CD_WOWAPP)
{
uiWOWFlag = SCDLG_16BIT;
}
iRet = DialogBoxIndirectParamAorW( g_hinst,
(LPDLGTEMPLATE)hDlgTemplate,
pOFN->hwndOwner,
(DLGPROC)qfnDlgProc,
(DWORD)pOFI,
uiWOWFlag );
#else
iRet = DialogBoxIndirectParam( g_hinst,
(LPDLGTEMPLATE)hDlgTemplate,
pOFN->hwndOwner,
(DLGPROC)qfnDlgProc,
(DWORD)pOFI );
#endif
if ((iRet == 0) && (!bUserPressedCancel) && (!GetStoredExtendedError()))
{
StoreExtendedError(CDERR_DIALOGFAILURE);
}
else
{
FileOpenAbort();
}
glpfnFileHook = 0;
}
else
{
StoreExtendedError(CDERR_LOCKRESFAILURE);
goto TERMINATE;
}
SetErrorMode(wErrorMode);
if (lpCurDir = (LPTSTR)TlsGetValue(g_tlsiCurDir))
{
LocalFree(lpCurDir);
}
if (lpCurThread = (LPTSTR)TlsGetValue(g_tlsiCurThread))
{
LocalFree(lpCurThread);
}
TERMINATE:
CleanUpFile();
HourGlass(FALSE);
return ((DWORD)iRet == IDOK);
ReleaseMemDC:
DeleteDC(hdcMemory);
ReleaseScreenDC:
ReleaseDC(HNULL, hdcScreen);
CantInit:
return (FALSE);
}
////////////////////////////////////////////////////////////////////////////
//
// FileOpenDlgProc
//
// Gets the name of a file to open from the user.
//
// edt1 = file name
// lst1 = list of files in current directory matching current pattern
// cmb1 = lists file patterns
// stc1 = is current directory
// lst2 = lists directories on current drive
// cmb2 = lists drives
// IDOK = is Open pushbutton
// IDCANCEL = is Cancel pushbutton
// chx1 = is for opening read only files
//
// Returns the normal dialog proc values.
//
////////////////////////////////////////////////////////////////////////////
BOOL FileOpenDlgProc(
HWND hDlg,
UINT wMsg,
WPARAM wParam,
LPARAM lParam)
{
POPENFILEINFO pOFI;
BOOL bRet, bHookRet;
if (pOFI = (POPENFILEINFO)GetProp(hDlg, FILEPROP))
{
if (pOFI->pOFN->lpfnHook)
{
bHookRet = (*pOFI->pOFN->lpfnHook)(hDlg, wMsg, wParam, lParam);
if (bHookRet)
{
if (wMsg == WM_COMMAND)
{
switch (GET_WM_COMMAND_ID(wParam, lParam))
{
case ( IDCANCEL ) :
{
//
// Set global flag stating that the
// user pressed cancel.
//
bUserPressedCancel = TRUE;
// Fall Thru...
}
case ( IDOK ) :
case ( IDABORT ) :
{
#ifdef UNICODE
//
// Apps that side-effect these messages may
// not have their internal unicode strings
// updated. They may also forget to gracefully
// exit the network enum'ing worker thread.
//
if (pOFI->ApiType == COMDLG_ANSI)
{
ThunkOpenFileNameA2W(pOFI);
}
#endif
break;
}
case ( cmb1 ) :
case ( cmb2 ) :
{
switch (GET_WM_COMMAND_CMD(wParam, lParam))
{
case ( MYCBN_DRAW ) :
case ( MYCBN_LIST ) :
case ( MYCBN_REPAINT ) :
case ( MYCBN_CHANGEDIR ) :
{
//
// In case an app has a hook, and returns
// true for processing WM_COMMAND messages,
// we still have to worry about our
// internal message that came through via
// WM_COMMAND.
//
FileOpenCmd( hDlg,
wParam,
lParam,
pOFI,
FALSE );
break;
}
}
break;
}
}
}
return (bHookRet);
}
}
}
else if ( glpfnFileHook &&
(wMsg != WM_INITDIALOG) &&
(bHookRet = (*glpfnFileHook)(hDlg, wMsg, wParam, lParam)) )
{
return (bHookRet);
}
switch (wMsg)
{
case ( WM_INITDIALOG ) :
{
pOFI = (POPENFILEINFO)lParam;
SetProp(hDlg, FILEPROP, (HANDLE)pOFI);
glpfnFileHook = 0;
//
// If we are being called from a Unicode app, turn off
// the ES_OEMCONVERT style on the filename edit control.
//
// if (pOFI->ApiType == COMDLG_WIDE)
{
LONG lStyle;
HWND hEdit = GetDlgItem (hDlg, edt1);
//
// Grab the window style.
//
lStyle = GetWindowLong (hEdit, GWL_STYLE);
//
// If the window style bits include ES_OEMCONVERT,
// remove this flag and reset the style.
//
if (lStyle & ES_OEMCONVERT)
{
lStyle &= ~ES_OEMCONVERT;
SetWindowLong (hEdit, GWL_STYLE, lStyle);
}
}
bInitializing = TRUE;
bRet = InitFileDlg(hDlg, wParam, pOFI);
bInitializing = FALSE;
HourGlass(FALSE);
return (bRet);
break;
}
case ( WM_ACTIVATE ) :
{
if (!bInChildDlg)
{
if (bFirstTime == TRUE)
{
bFirstTime = FALSE;
}
else if (wParam)
{
//
// If becoming active.
//
LNDSetEvent(hDlg);
}
}
return (FALSE);
break;
}
case ( WM_MEASUREITEM ) :
{
MeasureItem(hDlg, (LPMEASUREITEMSTRUCT)lParam);
break;
}
case ( WM_DRAWITEM ) :
{
if (wNoRedraw < 2)
{
DrawItem(pOFI, hDlg, wParam, (LPDRAWITEMSTRUCT)lParam, FALSE);
}
break;
}
case ( WM_SYSCOLORCHANGE ) :
{
SetRGBValues();
LoadDirDriveBitmap();
break;
}
case ( WM_COMMAND ) :
{
return (FileOpenCmd(hDlg, wParam, lParam, pOFI, FALSE));
break;
}
case ( WM_SETFOCUS ) :
{
//
// This logic used to be in CBN_SETFOCUS in fileopencmd,
// but CBN_SETFOCUS is called whenever there is a click on
// the List Drives combo. This causes the worker thread
// to start up and flicker when the combo box is refreshed.
//
// But, refreshes are only needed when someone focuses out of
// the common dialog and then back in (unless someone is logged
// in remote, or there is a background thread busy connecting!)
// so fix the flicker by moving the logic here.
//
if (!wNoRedraw)
{
LNDSetEvent(hDlg);
}
return (FALSE);
break;
}
default :
{
return (FALSE);
}
}
return (TRUE);
}
////////////////////////////////////////////////////////////////////////////
//
// FileSaveDlgProc
//
// Obtains the name of the file that the user wants to save.
//
// Returns the normal dialog proc values.
//
////////////////////////////////////////////////////////////////////////////
BOOL FileSaveDlgProc(
HWND hDlg,
UINT wMsg,
WPARAM wParam,
LPARAM lParam)
{
POPENFILEINFO pOFI;
BOOL bRet, bHookRet;
TCHAR szTitle[cbCaption];
if (pOFI = (POPENFILEINFO) GetProp(hDlg, FILEPROP))
{
if (pOFI->pOFN->lpfnHook)
{
bHookRet = (*pOFI->pOFN->lpfnHook)(hDlg, wMsg, wParam, lParam);
if (bHookRet)
{
if (wMsg == WM_COMMAND)
{
switch (GET_WM_COMMAND_ID(wParam, lParam))
{
case ( IDCANCEL ) :
{
//
// Set global flag stating that the
// user pressed cancel.
//
bUserPressedCancel = TRUE;
// Fall Thru...
}
case ( IDOK ) :
case ( IDABORT ) :
{
#ifdef UNICODE
//
// Apps that side-effect these messages may
// not have their internal unicode strings
// updated; they may also forget to gracefully
// exit the network enum'ing worker thread.
//
if (pOFI->ApiType == COMDLG_ANSI)
{
ThunkOpenFileNameA2W(pOFI);
}
#endif
break;
}
case ( cmb1 ) :
case ( cmb2 ) :
{
switch (GET_WM_COMMAND_CMD(wParam, lParam))
{
case ( MYCBN_DRAW ) :
case ( MYCBN_LIST ) :
case ( MYCBN_REPAINT ) :
case ( MYCBN_CHANGEDIR ) :
{
//
// In case an app has a hook, and returns
// true for processing WM_COMMAND messages,
// we still have to worry about our
// internal message that came through via
// WM_COMMAND.
//
FileOpenCmd( hDlg,
wParam,
lParam,
pOFI,
FALSE );
break;
}
}
break;
}
}
}
return (bHookRet);
}
}
}
else if ( glpfnFileHook &&
(wMsg != WM_INITDIALOG) &&
(bHookRet = (*glpfnFileHook)(hDlg, wMsg,wParam, lParam)) )
{
return (bHookRet);
}
switch(wMsg)
{
case ( WM_INITDIALOG ) :
{
pOFI = (POPENFILEINFO)lParam;
if (!(pOFI->pOFN->Flags &
(OFN_ENABLETEMPLATE | OFN_ENABLETEMPLATEHANDLE)))
{
LoadString(g_hinst, iszFileSaveTitle, (LPTSTR)szTitle, cbCaption);
SetWindowText(hDlg, (LPTSTR)szTitle);
LoadString(g_hinst, iszSaveFileAsType, (LPTSTR)szTitle, cbCaption);
SetDlgItemText(hDlg, stc2, (LPTSTR)szTitle);
}
glpfnFileHook = 0;
SetProp(hDlg, FILEPROP, (HANDLE)pOFI);
//
// If we are being called from a Unicode app, turn off
// the ES_OEMCONVERT style on the filename edit control.
//
// if (pOFI->ApiType == COMDLG_WIDE)
{
LONG lStyle;
HWND hEdit = GetDlgItem (hDlg, edt1);
//
// Grab the window style.
//
lStyle = GetWindowLong (hEdit, GWL_STYLE);
//
// If the window style bits include ES_OEMCONVERT,
// remove this flag and reset the style.
//
if (lStyle & ES_OEMCONVERT)
{
lStyle &= ~ES_OEMCONVERT;
SetWindowLong (hEdit, GWL_STYLE, lStyle);
}
}
bInitializing = TRUE;
bRet = InitFileDlg(hDlg, wParam, pOFI);
bInitializing = FALSE;
HourGlass(FALSE);
return (bRet);
break;
}
case ( WM_ACTIVATE ) :
{
if (!bInChildDlg)
{
if (bFirstTime == TRUE)
{
bFirstTime = FALSE;
}
else if (wParam)
{
//
// If becoming active.
//
if (!wNoRedraw)
{
LNDSetEvent(hDlg);
}
}
}
return (FALSE);
break;
}
case ( WM_MEASUREITEM ) :
{
MeasureItem(hDlg, (LPMEASUREITEMSTRUCT)lParam);
break;
}
case ( WM_DRAWITEM ) :
{
if (wNoRedraw < 2)
{
DrawItem(pOFI, hDlg, wParam, (LPDRAWITEMSTRUCT)lParam, TRUE);
}
break;
}
case ( WM_SYSCOLORCHANGE ) :
{
SetRGBValues();
LoadDirDriveBitmap();
break;
}
case ( WM_COMMAND ) :
{
return (FileOpenCmd(hDlg, wParam, lParam, pOFI, TRUE));
break;
}
case ( WM_SETFOCUS ) :
{
//
// This logic used to be in CBN_SETFOCUS in fileopencmd,
// but CBN_SETFOCUS is called whenever there is a click on
// the List Drives combo. This causes the worker thread
// to start up and flicker when the combo box is refreshed.
//
// But, refreshes are only needed when someone focuses out of
// the common dialog and then back in (unless someone is logged
// in remote, or there is a background thread busy connecting!)
// so fix the flicker by moving the logic here.
//
if (!wNoRedraw)
{
LNDSetEvent(hDlg);
}
return (FALSE);
break;
}
default :
{
return (FALSE);
}
}
return (TRUE);
}
////////////////////////////////////////////////////////////////////////////
//
// InitFileDlg
//
////////////////////////////////////////////////////////////////////////////
BOOL InitFileDlg(
HWND hDlg,
WPARAM wParam,
POPENFILEINFO pOFI)
{
DWORD lRet;
LPOPENFILENAME pOFN = pOFI->pOFN;
INT nFileOffset, nExtOffset;
RECT rRect;
RECT rLbox;
BOOL bRet;
if (!InitTlsValues())
{
//
// The extended error is set inside of the above call.
//
EndDialog(hDlg, FALSE);
return (FALSE);
}
lpLBProc = (WNDPROC)GetWindowLong(GetDlgItem(hDlg, lst2), GWL_WNDPROC);
lpOKProc = (WNDPROC)GetWindowLong(GetDlgItem(hDlg, IDOK), GWL_WNDPROC);
if (!lpLBProc || !lpOKProc)
{
StoreExtendedError(FNERR_SUBCLASSFAILURE);
EndDialog(hDlg, FALSE);
return (FALSE);
}
//
// Save original directory for later restoration if necessary.
//
*pOFI->szCurDir = 0;
GetCurrentDirectory(MAX_FULLPATHNAME + 1, pOFI->szCurDir);
//
// Check out if the filename contains a path. If so, override whatever
// is contained in lpstrInitialDir. Chop off the path and put up only
// the filename.
//
if ( pOFN->lpstrFile &&
*pOFN->lpstrFile &&
!(pOFN->Flags & OFN_NOVALIDATE) )
{
if (DBL_BSLASH(pOFN->lpstrFile + 2) &&
((*(pOFN->lpstrFile + 1) == CHAR_COLON)))
{
lstrcpy(pOFN->lpstrFile , pOFN->lpstrFile + sizeof(TCHAR));
}
lRet = ParseFile(pOFN->lpstrFile, TRUE, pOFN->Flags & CD_WOWAPP);
nFileOffset = (INT)(SHORT)LOWORD(lRet);
nExtOffset = (INT)(SHORT)HIWORD(lRet);
//
// Is the filename invalid?
//
if ( (nFileOffset < 0) &&
(nFileOffset != PARSE_EMPTYSTRING) &&
(pOFN->lpstrFile[nExtOffset] != CHAR_SEMICOLON) )
{
StoreExtendedError(FNERR_INVALIDFILENAME);
EndDialog(hDlg, FALSE);
return (FALSE);
}
}
pOFN->Flags &= ~(OFN_FILTERDOWN | OFN_DRIVEDOWN | OFN_DIRSELCHANGED);
pOFI->idirSub = 0;
if (!(pOFN->Flags & OFN_SHOWHELP))
{
HWND hHelp;
EnableWindow(hHelp = GetDlgItem(hDlg, psh15), FALSE);
//
// Move the window out of this spot so that no overlap will be
// detected.
//
MoveWindow(hHelp, -8000, -8000, 20, 20, FALSE);
ShowWindow(hHelp, SW_HIDE);
}
if (pOFN->Flags & OFN_CREATEPROMPT)
{
pOFN->Flags |= (OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST);
}
else if (pOFN->Flags & OFN_FILEMUSTEXIST)
{
pOFN->Flags |= OFN_PATHMUSTEXIST;
}
if (pOFN->Flags & OFN_HIDEREADONLY)
{
HWND hReadOnly;
EnableWindow(hReadOnly = GetDlgItem(hDlg, chx1), FALSE);
//
// Move the window out of this spot so that no overlap will be
// detected.
//
MoveWindow(hReadOnly, -8000, -8000, 20, 20, FALSE);
ShowWindow(hReadOnly, SW_HIDE);
}
else
{
CheckDlgButton(hDlg, chx1, (pOFN->Flags & OFN_READONLY) != 0);
}
SendDlgItemMessage(hDlg, edt1, EM_LIMITTEXT, (WPARAM) MAX_PATH, (LPARAM) 0L);
//
// Insert file specs into cmb1.
// Custom filter first.
// Must also check if filter contains anything.
//
if ( pOFN->lpstrFile &&
(mystrchr(pOFN->lpstrFile, CHAR_STAR) ||
mystrchr(pOFN->lpstrFile, CHAR_QMARK)) )
{
lstrcpy(pOFI->szLastFilter, pOFN->lpstrFile);
}
else
{
pOFI->szLastFilter[0] = CHAR_NULL;
}
if (pOFN->lpstrCustomFilter && *pOFN->lpstrCustomFilter)
{
SHORT nLength;
SendDlgItemMessage( hDlg,
cmb1,
CB_INSERTSTRING,
0,
(LONG)pOFN->lpstrCustomFilter );
nLength = (SHORT)(lstrlen(pOFN->lpstrCustomFilter) + 1);
SendDlgItemMessage( hDlg,
cmb1,
CB_SETITEMDATA,
0,
(LONG)(nLength) );
SendDlgItemMessage( hDlg,
cmb1,
CB_LIMITTEXT,
(WPARAM)(pOFN->nMaxCustFilter),
0L );
if (pOFI->szLastFilter[0] == CHAR_NULL)
{
lstrcpy(pOFI->szLastFilter, pOFN->lpstrCustomFilter + nLength);
}
}
else
{
//
// Given no custom filter, the index will be off by one.
//
if (pOFN->nFilterIndex != 0)
{
pOFN->nFilterIndex--;
}
}
//
// Listed filters next.
//
if (pOFN->lpstrFilter && *pOFN->lpstrFilter)
{
if (pOFN->nFilterIndex > InitFilterBox(hDlg, pOFN->lpstrFilter))
{
pOFN->nFilterIndex = 0;
}
}
else
{
pOFN->nFilterIndex = 0;
}
pOFI->szSpecCur[0] = CHAR_NULL;
//
// If an entry exists, select the one indicated by nFilterIndex.
//
if ((pOFN->lpstrFilter && *pOFN->lpstrFilter) ||
(pOFN->lpstrCustomFilter && *pOFN->lpstrCustomFilter))
{
SendDlgItemMessage( hDlg,
cmb1,
CB_SETCURSEL,
(WPARAM)(pOFN->nFilterIndex),
0L );
SendMessage( hDlg,
WM_COMMAND,
GET_WM_COMMAND_MPS( cmb1,
GetDlgItem(hDlg, cmb1),
MYCBN_DRAW ) );
if (!(pOFN->lpstrFile && *pOFN->lpstrFile))
{
LPCTSTR lpFilter;
if (pOFN->nFilterIndex ||
!(pOFN->lpstrCustomFilter && * pOFN->lpstrCustomFilter))
{
lpFilter = pOFN->lpstrFilter +
SendDlgItemMessage( hDlg,
cmb1,
CB_GETITEMDATA,
(WPARAM)pOFN->nFilterIndex, 0L );
}
else
{
lpFilter = pOFN->lpstrCustomFilter +
lstrlen(pOFN->lpstrCustomFilter) + 1;
}
if (*lpFilter)
{
TCHAR szText[MAX_FULLPATHNAME];
lstrcpy(szText, lpFilter);
//
// Filtering is case-insensitive.
//
CharLower(szText);
if (pOFI->szLastFilter[0] == CHAR_NULL)
{
lstrcpy(pOFI->szLastFilter, (LPTSTR)szText);
}
SetDlgItemText(hDlg, edt1, (LPTSTR)szText);
}
}
}
InitCurrentDisk(hDlg, pOFI, cmb2);
bFirstTime = TRUE;
bInChildDlg = FALSE;
SendMessage( hDlg,
WM_COMMAND,
GET_WM_COMMAND_MPS(cmb2, GetDlgItem(hDlg, cmb2), MYCBN_DRAW) );
SendMessage( hDlg,
WM_COMMAND,
GET_WM_COMMAND_MPS(cmb2, GetDlgItem(hDlg, cmb2), MYCBN_LIST) );
if (pOFN->lpstrFile && *pOFN->lpstrFile)
{
TCHAR szText[MAX_FULLPATHNAME];
lRet = ParseFile( pOFN->lpstrFile,
IsLFNDriveX(hDlg, pOFN->lpstrFile),
pOFN->Flags & CD_WOWAPP );
nFileOffset = (INT)(SHORT)LOWORD(lRet);
nExtOffset = (INT)(SHORT)HIWORD(lRet);
//
// Is the filename invalid?
//
if ( !(pOFN->Flags & OFN_NOVALIDATE) &&
(nFileOffset < 0) &&
(nFileOffset != PARSE_EMPTYSTRING) &&
(pOFN->lpstrFile[nExtOffset] != CHAR_SEMICOLON) )
{
StoreExtendedError(FNERR_INVALIDFILENAME);
EndDialog(hDlg, FALSE);
return (FALSE);
}
lstrcpy(szText, pOFN->lpstrFile);
SetDlgItemText(hDlg, edt1, (LPTSTR)szText);
}
SetWindowLong(GetDlgItem(hDlg, lst2), GWL_WNDPROC, (LONG)dwLBSubclass);
SetWindowLong(GetDlgItem(hDlg, IDOK), GWL_WNDPROC, (LONG)dwOKSubclass);
if (pOFN->lpstrTitle && *pOFN->lpstrTitle)
{
SetWindowText(hDlg, pOFN->lpstrTitle);
}
//
// By setting dyText to rRect.bottom/8, dyText defaults to 8 items showing
// in the listbox. This only matters if the applications hook function
// steals all WM_MEASUREITEM messages. Otherwise, dyText will be set in
// the MeasureItem() routine. Check for !dyItem in case message ordering
// has already sent WM_MEASUREITEM and dyText is already initialized.
//
if (!dyItem)
{
GetClientRect(GetDlgItem(hDlg, lst1), (LPRECT) &rRect);
if (!(dyText = (rRect.bottom / 8)))
{
//
// If no size to rectangle.
//
dyText = 8;
}
}
// The template has changed to make it extremely clear that
// this is not a combobox, but rather an edit control and a listbox. The
// problem is that the new templates try to align the edit box and listbox.
// Unfortunately, when listboxes add borders, they expand beyond their
// borders. When edit controls add borders, they stay within their
// borders. This makes it impossible to align the two controls strictly
// within the template. The code below will align the controls, but only
// if they are using the standard dialog template.
//
if (!(pOFN->Flags & (OFN_ENABLETEMPLATE | OFN_ENABLETEMPLATEHANDLE)))
{
GetWindowRect(GetDlgItem(hDlg, lst1), (LPRECT)&rLbox);
GetWindowRect(GetDlgItem(hDlg, edt1), (LPRECT)&rRect);
rRect.left = rLbox.left;
rRect.right = rLbox.right;
ScreenToClient(hDlg, (LPPOINT)&(rRect.left));
ScreenToClient(hDlg, (LPPOINT)&(rRect.right));
SetWindowPos( GetDlgItem(hDlg, edt1),
0,
rRect.left,
rRect.top,
rRect.right - rRect.left,
rRect.bottom - rRect.top,
SWP_NOZORDER );
}
if (pOFN->lpfnHook)
{
#ifdef UNICODE
if (pOFI->ApiType == COMDLG_ANSI)
{
ThunkOpenFileNameW2A(pOFI);
bRet = ((*pOFN->lpfnHook)( hDlg,
WM_INITDIALOG,
wParam,
(LPARAM)pOFI->pOFNA ));
//
// Strange win 31 example uses lCustData to
// hold a temporary variable that it passes back to
// calling function.
//
ThunkOpenFileNameA2W(pOFI);
}
else
#endif
{
bRet = ((*pOFN->lpfnHook)( hDlg,
WM_INITDIALOG,
wParam,
(LPARAM)pOFN ));
}
}
else
{
#ifdef UNICODE
//
// Have to thunk A version even when there isn't a hook proc so it
// doesn't reset W version on delayed thunk back.
//
if (pOFI->ApiType == COMDLG_ANSI)
{
pOFI->pOFNA->Flags = pOFN->Flags;
}
#endif
bRet = TRUE;
}
//
// At first, assume there is net support !
//
if ((pOFN->Flags & OFN_NONETWORKBUTTON))
{
HWND hNet;
if (hNet = GetDlgItem(hDlg, psh14))
{
EnableWindow(hNet = GetDlgItem(hDlg, psh14), FALSE);
ShowWindow(hNet, SW_HIDE);
}
}
else
{
AddNetButton( hDlg,
((pOFN->Flags & OFN_ENABLETEMPLATE)
? pOFN->hInstance
: g_hinst),
FILE_BOTTOM_MARGIN,
(pOFN->Flags & (OFN_ENABLETEMPLATE |
OFN_ENABLETEMPLATEHANDLE))
? FALSE
: TRUE,
(pOFN->Flags & OFN_NOLONGNAMES)
? FALSE
: TRUE,
FALSE);
}
return (bRet);
}
////////////////////////////////////////////////////////////////////////////
//
// InitTlsValues
//
////////////////////////////////////////////////////////////////////////////
INT InitTlsValues()
{
//
// As long as we do not call TlsGetValue before this,
// everything should be ok.
//
LPTSTR lpCurDir;
LPDWORD lpCurThread;
if (dwNumDlgs == MAX_THREADS)
{
StoreExtendedError(CDERR_INITIALIZATION);
return (FALSE);
}
if (lpCurDir = (LPTSTR)LocalAlloc(LPTR, CCHNETPATH * sizeof(TCHAR)))
{
GetCurrentDirectory(CCHNETPATH, lpCurDir);
if (!TlsSetValue(g_tlsiCurDir, (LPVOID)lpCurDir))
{
StoreExtendedError(CDERR_INITIALIZATION);
LocalFree(lpCurDir);
return (FALSE);
}
}
else
{
StoreExtendedError(CDERR_MEMALLOCFAILURE);
return (FALSE);
}
if (lpCurThread = (LPDWORD)LocalAlloc(LPTR, sizeof(DWORD)))
{
if (!TlsSetValue(g_tlsiCurThread, (LPVOID)lpCurThread))
{
StoreExtendedError(CDERR_INITIALIZATION);
LocalFree(lpCurDir);
LocalFree(lpCurThread);
return (FALSE);
}
}
else
{
StoreExtendedError(CDERR_MEMALLOCFAILURE);
return (FALSE);
}
EnterCriticalSection(&g_csLocal);
*lpCurThread = dwNumDlgs++;
LeaveCriticalSection(&g_csLocal);
return (TRUE);
}
////////////////////////////////////////////////////////////////////////////
//
// InitFilterBox
//
// Places the double null terminated list of filters in the combo box.
// The list should consist of pairs of null terminated strings, with
// an additional null terminating the list.
//
////////////////////////////////////////////////////////////////////////////
DWORD InitFilterBox(
HANDLE hDlg,
LPCTSTR lpszFilter)
{
DWORD nOffset = 0;
DWORD nIndex = 0;
register WORD nLen;
while (*lpszFilter)
{
//
// First string put in as string to show.
//
nIndex = SendDlgItemMessage( hDlg,
cmb1,
CB_ADDSTRING,
0,
(LONG)lpszFilter );
nLen = (WORD)(lstrlen(lpszFilter) + 1);
(LPTSTR)lpszFilter += nLen;
nOffset += nLen;
//
// Second string put in as itemdata.
//
SendDlgItemMessage( hDlg,
cmb1,
CB_SETITEMDATA,
(WPARAM)nIndex,
nOffset );
//
// Advance to next element.
//
nLen = (WORD)(lstrlen(lpszFilter) + 1);
(LPTSTR)lpszFilter += nLen;
nOffset += nLen;
}
return (nIndex);
}
////////////////////////////////////////////////////////////////////////////
//
// InitCurrentDisk
//
////////////////////////////////////////////////////////////////////////////
VOID InitCurrentDisk(
HWND hDlg,
POPENFILEINFO pOFI,
WORD cmb)
{
//
// Clear out stale unc stuff from disk info.
// Unc \servershares are persistent through one popup session
// and then we resync with the system. This is to fix a bug
// where a user's startup dir is unc but the system no longer has
// a connection and hence the cmb2 appears blank.
//
EnableDiskInfo(FALSE, TRUE);
if (pOFI->pOFN->lpstrInitialDir)
{
//
// Notice that we force ChangeDir to succeed here
// but that TlsGetValue(g_tlsiCurDir) will return "" which
// when fed to SheChangeDirEx means GetCurrentDir will be called.
// So, the default cd behavior at startup is:
// 1. lpstrInitialDir
// 2. GetCurrentDir
//
ChangeDir(hDlg, pOFI->pOFN->lpstrInitialDir, TRUE, FALSE);
}
else
{
ChangeDir(hDlg, NULL, TRUE, FALSE);
}
}
////////////////////////////////////////////////////////////////////////////
//
// vDeleteDirDriveBitmap
//
// Gets rid of bitmaps, if they exist.
//
////////////////////////////////////////////////////////////////////////////
VOID vDeleteDirDriveBitmap()
{
if (hbmpOrigMemBmp)
{
SelectObject(hdcMemory, hbmpOrigMemBmp);
if (hbmpDirDrive != HNULL)
{
DeleteObject(hbmpDirDrive);
hbmpDirDrive = HNULL;
}
}
}
////////////////////////////////////////////////////////////////////////////
//
// LoadDirDriveBitmap
//
// Creates the drive/directory bitmap. If an appropriate bitmap
// already exists, it just returns immediately. Otherwise, it
// loads the bitmap and creates a larger bitmap with both regular
// and highlight colors.
//
////////////////////////////////////////////////////////////////////////////
BOOL LoadDirDriveBitmap()
{
BITMAP bmp;
HANDLE hbmp, hbmpOrig;
HDC hdcTemp;
BOOL bWorked = FALSE;
if ( (hbmpDirDrive != HNULL) &&
(rgbWindowColor == rgbDDWindow) &&
(rgbHiliteColor == rgbDDHilite))
{
if (SelectObject(hdcMemory, hbmpDirDrive))
{
return (TRUE);
}
}
vDeleteDirDriveBitmap();
rgbDDWindow = rgbWindowColor;
rgbDDHilite = rgbHiliteColor;
if (!(hdcTemp = CreateCompatibleDC(hdcMemory)))
{
goto LoadExit;
}
if (!(hbmp = LoadAlterBitmap(bmpDirDrive, rgbSolidBlue, rgbWindowColor)))
{
goto DeleteTempDC;
}
GetObject(hbmp, sizeof(BITMAP), (LPTSTR) &bmp);
dyDirDrive = bmp.bmHeight;
dxDirDrive = bmp.bmWidth;
hbmpOrig = SelectObject(hdcTemp, hbmp);
hbmpDirDrive = CreateDiscardableBitmap(hdcTemp, dxDirDrive * 2, dyDirDrive);
if (!hbmpDirDrive)
{
goto DeleteTempBmp;
}
if (!SelectObject(hdcMemory, hbmpDirDrive))
{
vDeleteDirDriveBitmap();
goto DeleteTempBmp;
}
BitBlt(hdcMemory, 0, 0, dxDirDrive, dyDirDrive, hdcTemp, 0, 0, SRCCOPY);
SelectObject(hdcTemp, hbmpOrig);
DeleteObject(hbmp);
if (!(hbmp = LoadAlterBitmap(bmpDirDrive, rgbSolidBlue, rgbHiliteColor)))
{
goto DeleteTempDC;
}
hbmpOrig = SelectObject(hdcTemp, hbmp);
BitBlt(hdcMemory, dxDirDrive, 0, dxDirDrive, dyDirDrive, hdcTemp, 0, 0, SRCCOPY);
SelectObject(hdcTemp, hbmpOrig);
bWorked = TRUE;
DeleteTempBmp:
DeleteObject(hbmp);
DeleteTempDC:
DeleteDC(hdcTemp);
LoadExit:
return (bWorked);
}
////////////////////////////////////////////////////////////////////////////
//
// SetRGBValues
//
// This sets the various system colors in static variables. It's
// called at init time and when system colors change.
//
////////////////////////////////////////////////////////////////////////////
void SetRGBValues()
{
rgbWindowColor = GetSysColor(COLOR_WINDOW);
rgbHiliteColor = GetSysColor(COLOR_HIGHLIGHT);
rgbWindowText = GetSysColor(COLOR_WINDOWTEXT);
rgbHiliteText = GetSysColor(COLOR_HIGHLIGHTTEXT);
rgbGrayText = GetSysColor(COLOR_GRAYTEXT);
}
////////////////////////////////////////////////////////////////////////////
//
// FSetUpFile
//
// This loads in the resources & initializes the data used by the
// file dialogs.
//
// Returns: TRUE if successful
// FALSE if any bitmap fails
//
////////////////////////////////////////////////////////////////////////////
BOOL FSetUpFile()
{
if (cLock++)
{
return (TRUE);
}
SetRGBValues();
return (LoadDirDriveBitmap());
}
////////////////////////////////////////////////////////////////////////////
//
// FileOpenCmd
//
// Handles WM_COMMAND for Open & Save dlgs.
//
// edt1 = file name
// lst1 = list of files in current directory matching current pattern
// cmb1 = lists file patterns
// stc1 = is current directory
// lst2 = lists directories on current drive
// cmb2 = lists drives
// IDOK = is Open pushbutton
// IDCANCEL = is Cancel pushbutton
// chx1 = is for opening read only files
//
// Returns the normal dialog proc values.
//
////////////////////////////////////////////////////////////////////////////
BOOL FileOpenCmd(
HANDLE hDlg,
WPARAM wP,
DWORD lParam,
POPENFILEINFO pOFI,
BOOL bSave)
{
LPOPENFILENAME pOFN;
LPTSTR pch, pch2;
WORD i, sCount, len;
LRESULT wFlag;
BOOL bRet, bHookRet;
TCHAR szText[MAX_FULLPATHNAME];
HWND hwnd;
if (!pOFI)
{
return (FALSE);
}
pOFN = pOFI->pOFN;
switch (GET_WM_COMMAND_ID(wP, lParam))
{
case ( IDOK ) :
{
#ifdef UNICODE
//
// Apps that side-effect this message may not have their
// internal unicode strings updated (eg. Corel Mosaic).
//
// NOTE: Must preserve the internal flags.
//
if (pOFI->ApiType == COMDLG_ANSI)
{
DWORD InternalFlags = pOFN->Flags & OFN_ALL_INTERNAL_FLAGS;
ThunkOpenFileNameA2W(pOFI);
pOFN->Flags |= InternalFlags;
}
#endif
//
// If the focus is on the directory box, or if the selection
// within the box has changed since the last listing, give a
// new listing.
//
if (bChangeDir || ((GetFocus() == GetDlgItem(hDlg, lst2)) &&
(pOFN->Flags & OFN_DIRSELCHANGED)))
{
bChangeDir = FALSE;
goto ChangingDir;
}
else if ((GetFocus() == (hwnd = GetDlgItem(hDlg, cmb2))) &&
(pOFN->Flags & OFN_DRIVEDOWN))
{
//
// If the focus is on the drive or filter combobox, give
// a new listing.
//
SendDlgItemMessage(hDlg, cmb2, CB_SHOWDROPDOWN, FALSE, 0L);
break;
}
else if ((GetFocus() == (hwnd = GetDlgItem(hDlg, cmb1))) &&
(pOFN->Flags & OFN_FILTERDOWN))
{
SendDlgItemMessage(hDlg, cmb1, CB_SHOWDROPDOWN, FALSE, 0L);
lParam = (LPARAM)hwnd;
goto ChangingFilter;
}
else
{
#ifdef UNICODE
//
// Visual Basic passes in an uninitialized lpDefExts string.
// Since we only have to use it in OKButtonPressed, update
// lpstrDefExts here along with whatever else is only needed
// in OKButtonPressed.
//
if (pOFI->ApiType == COMDLG_ANSI)
{
ThunkOpenFileNameA2WDelayed(pOFI);
}
#endif
if (OKButtonPressed(hDlg, pOFI, bSave))
{
bRet = TRUE;
if (pOFN->lpstrFile)
{
if (!(pOFN->Flags & OFN_NOVALIDATE))
{
if (pOFN->nMaxFile >= 3)
{
if ((pOFN->lpstrFile[0] == 0) ||
(pOFN->lpstrFile[1] == 0) ||
(pOFN->lpstrFile[2] == 0))
{
bRet = FALSE;
StoreExtendedError(FNERR_BUFFERTOOSMALL);
}
}
else
{
bRet = FALSE;
StoreExtendedError(FNERR_BUFFERTOOSMALL);
}
}
}
goto AbortDialog;
}
}
SendDlgItemMessage(hDlg, edt1, EM_SETSEL, (WPARAM)0, (LPARAM)-1);
return (TRUE);
break;
}
case ( IDCANCEL ) :
{
bRet = FALSE;
bUserPressedCancel = TRUE;
goto AbortDialog;
}
case ( IDABORT ) :
{
bRet = (BYTE)lParam;
AbortDialog:
//
// Return the most recently used filter.
//
pOFN->nFilterIndex = (WORD)SendDlgItemMessage( hDlg,
cmb1,
CB_GETCURSEL,
(WPARAM)0,
(LPARAM)0 );
if (pOFN->lpstrCustomFilter)
{
len = (WORD)(lstrlen(pOFN->lpstrCustomFilter) + 1);
sCount = (WORD)lstrlen(pOFI->szLastFilter);
if (pOFN->nMaxCustFilter > (DWORD)(sCount + len))
{
lstrcpy(pOFN->lpstrCustomFilter + len, pOFI->szLastFilter);
}
}
if (!pOFN->lpstrCustomFilter ||
(*pOFN->lpstrCustomFilter == CHAR_NULL))
{
pOFN->nFilterIndex++;
}
if (((GET_WM_COMMAND_ID(wP, lParam)) == IDOK) && pOFN->lpfnHook)
{
#ifdef UNICODE
if (pOFI->ApiType == COMDLG_ANSI)
{
ThunkOpenFileNameW2A(pOFI);
bHookRet = (*pOFN->lpfnHook)( hDlg,
msgFILEOKA,
0,
(LPARAM)pOFI->pOFNA );
//
// For apps that side-effect pOFNA stuff and expect it to
// be preserved through dialog exit, update internal
// struct after the hook proc is called.
//
ThunkOpenFileNameA2W(pOFI);
}
else
#endif
{
bHookRet = (*pOFN->lpfnHook)( hDlg,
msgFILEOKW,
0,
(LPARAM)pOFI->pOFN );
}
if (bHookRet)
{
HourGlass(FALSE);
break;
}
}
if (pOFN->Flags & OFN_ALLOWMULTISELECT)
{
LocalShrink((HANDLE)0, 0);
}
wNoRedraw = 0;
if (pOFI->pOFN->Flags & OFN_ENABLEHOOK)
{
glpfnFileHook = pOFN->lpfnHook;
}
RemoveProp(hDlg, FILEPROP);
EndDialog(hDlg, bRet);
if (pOFI)
{
if (((pOFN->Flags & OFN_NOCHANGEDIR) && *pOFI->szCurDir) ||
(bUserPressedCancel))
{
ChangeDir(hDlg, pOFI->szCurDir, TRUE, FALSE);
}
}
//
// BUG BUG
// If the app subclasses ID_ABORT, the worker thread will never
// get exited. This will cause problems. Currently, there are
// no apps that do this, though.
//
return (TRUE);
break;
}
case ( edt1 ) :
{
if (GET_WM_COMMAND_CMD(wP, lParam) == EN_CHANGE)
{
INT iIndex, iCount;
HWND hLBox = GetDlgItem(hDlg, lst1);
WORD wIndex = (WORD)SendMessage(hLBox, LB_GETCARETINDEX, 0, 0);
szText[0] = CHAR_NULL;
if (wIndex == (WORD)LB_ERR)
{
break;
}
SendMessage( GET_WM_COMMAND_HWND(wP, lParam),
WM_GETTEXT,
(WPARAM)MAX_FULLPATHNAME,
(LPARAM)(LPTSTR)szText );
if ((iIndex = (INT)SendMessage( hLBox,
LB_FINDSTRING,
(WPARAM)(wIndex - 1),
(LPARAM)(LPTSTR)szText )) != LB_ERR)
{
RECT rRect;
iCount = (INT)SendMessage(hLBox, LB_GETTOPINDEX, 0, 0L);
GetClientRect(hLBox, (LPRECT)&rRect);
if ((iIndex < iCount) ||
(iIndex >= (iCount + rRect.bottom / dyText)))
{
SendMessage(hLBox, LB_SETCARETINDEX, (WPARAM)iIndex, 0);
SendMessage(hLBox, LB_SETTOPINDEX, (WPARAM)iIndex, 0);
}
}
return (TRUE);
}
break;
}
case ( lst1 ) :
{
//
// A double click means OK.
//
if (GET_WM_COMMAND_CMD(wP, lParam)== LBN_DBLCLK)
{
SendMessage(hDlg, WM_COMMAND, GET_WM_COMMAND_MPS(IDOK, 0, 0));
return (TRUE);
}
else if (pOFN && (GET_WM_COMMAND_CMD(wP, lParam) == LBN_SELCHANGE))
{
if (pOFN->Flags & OFN_ALLOWMULTISELECT)
{
int *pSelIndex;
//
// Muliselection allowed.
//
sCount = (SHORT)SendMessage(GET_WM_COMMAND_HWND(wP, lParam),
LB_GETSELCOUNT,
0,
0L );
if (!sCount)
{
//
// If nothing selected, clear edit control.
//
SetDlgItemText(hDlg, edt1, (LPTSTR)szNull);
}
else
{
DWORD cchMemBlockSize = 2048;
DWORD cchTotalLength = 0;
pSelIndex = (int *)LocalAlloc(LPTR, sCount * sizeof(int));
if (!pSelIndex)
{
goto LocalFailure1;
}
sCount = (SHORT)SendMessage(
GET_WM_COMMAND_HWND(wP, lParam),
LB_GETSELITEMS,
(WPARAM)sCount,
(LONG)(LPTSTR)pSelIndex );
pch2 = pch = (LPTSTR)
LocalAlloc(LPTR, cchMemBlockSize * sizeof(TCHAR));
if (!pch)
{
goto LocalFailure2;
}
for (*pch = CHAR_NULL, i = 0; i < sCount; i++)
{
len = (WORD)SendMessage(
GET_WM_COMMAND_HWND(wP, lParam),
LB_GETTEXTLEN,
(WPARAM)(*(pSelIndex + i)),
(LPARAM)0 );
//
// Add the length of the selected file to the
// total length of selected files. + 2 for the
// space that goes in between files and for the
// possible dot added at the end of the filename
// if the file does not have an extension.
//
cchTotalLength += (len + 2);
if (cchTotalLength > cchMemBlockSize)
{
UINT cchPrevLen = cchTotalLength - (len + 2);
cchMemBlockSize = cchMemBlockSize << 1;
pch = (LPTSTR)LocalReAlloc(
pch,
cchMemBlockSize * sizeof(TCHAR),
LMEM_MOVEABLE );
if (pch)
{
pch2 = pch + cchPrevLen;
}
else
{
goto LocalFailure2;
}
}
SendMessage( GET_WM_COMMAND_HWND(wP, lParam),
LB_GETTEXT,
(WPARAM)(*(pSelIndex + i)),
(LONG)(LPTSTR)pch2 );
if (!mystrchr((LPTSTR)pch2, CHAR_DOT))
{
*(pch2 + len++) = CHAR_DOT;
}
pch2 += len;
*pch2++ = CHAR_SPACE;
}
if (pch2 != pch)
{
*--pch2 = CHAR_NULL;
}
SetDlgItemText(hDlg, edt1, pch);
LocalFree((HANDLE)pch);
LocalFailure2:
LocalFree((HANDLE)pSelIndex);
}
LocalFailure1:
if (pOFN->lpfnHook)
{
i = (WORD)SendMessage( GET_WM_COMMAND_HWND(wP, lParam),
LB_GETCARETINDEX,
0,
0L );
if (!(i & 0x8000))
{
wFlag = (SendMessage(
GET_WM_COMMAND_HWND(wP, lParam),
LB_GETSEL,
(WPARAM)i,
0L )
? CD_LBSELADD
: CD_LBSELSUB);
}
else
{
wFlag = CD_LBSELNOITEMS;
}
}
}
else
{
//
// Multiselection is not allowed.
// Put the file name in the edit control.
//
szText[0] = CHAR_NULL;
i = (WORD)SendMessage( GET_WM_COMMAND_HWND(wP, lParam),
LB_GETCURSEL,
0,
0L );
if (i != (WORD)LB_ERR)
{
i = (WORD)SendMessage( GET_WM_COMMAND_HWND(wP, lParam),
LB_GETTEXT,
(WPARAM)i,
(LONG)(LPTSTR)szText );
if (!mystrchr((LPTSTR)szText, CHAR_DOT))
{
if (i < MAX_FULLPATHNAME - 1)
{
szText[i] = CHAR_DOT;
szText[i + 1] = CHAR_NULL;
}
}
if (!bCasePreserved)
{
CharLower(szText);
}
SetDlgItemText(hDlg, edt1, (LPTSTR)szText);
if (pOFN->lpfnHook)
{
i = (WORD)SendMessage(
GET_WM_COMMAND_HWND(wP, lParam),
LB_GETCURSEL,
0,
0L );
wFlag = CD_LBSELCHANGE;
}
}
}
if (pOFN->lpfnHook)
{
#ifdef UNICODE
if (pOFI->ApiType == COMDLG_ANSI)
{
(*pOFN->lpfnHook)( hDlg,
msgLBCHANGEA,
lst1,
MAKELONG(i, wFlag) );
}
else
#endif
{
(*pOFN->lpfnHook)( hDlg,
msgLBCHANGEW,
lst1,
MAKELONG(i, wFlag) );
}
}
SendDlgItemMessage(hDlg, edt1, EM_SETSEL, (WPARAM)0, (LPARAM)-1);
return (TRUE);
}
break;
}
case ( cmb1 ) :
{
switch (GET_WM_COMMAND_CMD(wP, lParam))
{
case ( CBN_DROPDOWN ) :
{
if (wWinVer >= 0x030A)
{
pOFN->Flags |= OFN_FILTERDOWN;
}
return (TRUE);
break;
}
case ( CBN_CLOSEUP ) :
{
PostMessage( hDlg,
WM_COMMAND,
GET_WM_COMMAND_MPS(cmb1, lParam, MYCBN_DRAW) );
return (TRUE);
break;
}
case ( CBN_SELCHANGE ) :
{
//
// Need to change the file listing in lst1.
//
if (pOFN->Flags & OFN_FILTERDOWN)
{
return (TRUE);
break;
}
}
case ( MYCBN_DRAW ) :
{
SHORT nIndex;
LPCTSTR lpFilter;
HourGlass(TRUE);
pOFN->Flags &= ~OFN_FILTERDOWN;
ChangingFilter:
nIndex = (SHORT)SendDlgItemMessage( hDlg,
cmb1,
CB_GETCURSEL,
0,
0L );
if (nIndex < 0)
{
//
// No current selection.
//
break;
}
//
// Must also check if filter contains anything.
//
if (nIndex ||
!(pOFN->lpstrCustomFilter && *pOFN->lpstrCustomFilter))
{
lpFilter = pOFN->lpstrFilter +
SendDlgItemMessage( hDlg,
cmb1,
CB_GETITEMDATA,
(WPARAM)nIndex,
0L );
}
else
{
lpFilter = pOFN->lpstrCustomFilter +
lstrlen(pOFN->lpstrCustomFilter) + 1;
}
if (*lpFilter)
{
GetDlgItemText( hDlg,
edt1,
(LPTSTR)szText,
MAX_FULLPATHNAME - 1 );
bRet = (!szText[0] ||
(mystrchr((LPTSTR)szText, CHAR_STAR)) ||
(mystrchr((LPTSTR)szText, CHAR_QMARK)));
lstrcpy(szText, lpFilter);
if (bRet)
{
CharLower(szText);
SetDlgItemText(hDlg, edt1, (LPTSTR)szText);
SendDlgItemMessage( hDlg,
edt1,
EM_SETSEL,
(WPARAM)0,
(LPARAM)-1 );
}
FListAll(pOFI, hDlg, (LPTSTR)szText);
if (!bInitializing)
{
lstrcpy(pOFI->szLastFilter, (LPTSTR)szText);
//
// Provide dynamic lpstrDefExt updating
// when lpstrDefExt is user initialized.
//
if (mystrchr((LPTSTR)lpFilter, CHAR_DOT) &&
pOFN->lpstrDefExt)
{
DWORD cbLen = MIN_DEFEXT_LEN - 1; // only 1st 3
LPTSTR lpTemp = (LPTSTR)pOFN->lpstrDefExt;
while (*lpFilter++ != CHAR_DOT);
if (!(mystrchr((LPTSTR)lpFilter, CHAR_STAR)) &&
!(mystrchr((LPTSTR)lpFilter, CHAR_QMARK)))
{
while (cbLen--)
{
*lpTemp++ = *lpFilter++;
}
*lpTemp = CHAR_NULL;
}
}
}
}
if (pOFN->lpfnHook)
{
#ifdef UNICODE
if (pOFI->ApiType == COMDLG_ANSI)
{
(*pOFN->lpfnHook)( hDlg,
msgLBCHANGEA,
cmb1,
MAKELONG(nIndex, CD_LBSELCHANGE) );
}
else
#endif
{
(*pOFN->lpfnHook)( hDlg,
msgLBCHANGEW,
cmb1,
MAKELONG(nIndex, CD_LBSELCHANGE) );
}
}
HourGlass(FALSE);
return (TRUE);
break;
}
default :
{
break;
}
}
break;
}
case ( lst2 ) :
{
if (GET_WM_COMMAND_CMD(wP, lParam) == LBN_SELCHANGE)
{
if (!(pOFN->Flags & OFN_DIRSELCHANGED))
{
if ((DWORD)SendDlgItemMessage( hDlg,
lst2,
LB_GETCURSEL,
0,
0L ) != pOFI->idirSub - 1)
{
StripFileName(hDlg, pOFN->Flags & CD_WOWAPP);
pOFN->Flags |= OFN_DIRSELCHANGED;
}
}
return (TRUE);
}
else if (GET_WM_COMMAND_CMD(wP, lParam) == LBN_SETFOCUS)
{
EnableWindow(GetDlgItem(hDlg, IDOK), TRUE);
SendMessage( GetDlgItem(hDlg, IDCANCEL),
BM_SETSTYLE,
(WPARAM)BS_PUSHBUTTON,
(LPARAM)TRUE );
}
else if (GET_WM_COMMAND_CMD(wP, lParam) == LBN_KILLFOCUS)
{
if (pOFN && (pOFN->Flags & OFN_DIRSELCHANGED))
{
pOFN->Flags &= ~OFN_DIRSELCHANGED;
}
else
{
bChangeDir = FALSE;
}
}
else if (GET_WM_COMMAND_CMD(wP, lParam) == LBN_DBLCLK)
{
TCHAR szNextDir[CCHNETPATH];
LPTSTR lpCurDir;
DWORD idir;
DWORD idirNew;
INT cb;
LPTSTR pstrPath;
ChangingDir:
bChangeDir = FALSE;
pOFN->Flags &= ~OFN_DIRSELCHANGED;
idirNew = (DWORD)SendDlgItemMessage( hDlg,
lst2,
LB_GETCURSEL,
0,
0L );
//
// Can use relative path name.
//
*pOFI->szPath = 0;
if (idirNew >= pOFI->idirSub)
{
cb = SendDlgItemMessage( hDlg,
lst2,
LB_GETTEXT,
(WPARAM)idirNew,
(LONG)(LPTSTR)pOFI->szPath );
//
// sanity check
//
if (!(lpCurDir = (LPTSTR)TlsGetValue(g_tlsiCurDir)))
{
break;
}
lstrcpy((LPTSTR)szNextDir, lpCurDir);
//
// Fix phenom with c:\foobar - cz of incnstncy in dir
// dsply guaranteed to have a valid lpCurDir here, right?
//
if (szNextDir[lstrlen(lpCurDir) - 1] != CHAR_BSLASH)
{
lstrcat((LPTSTR)szNextDir, TEXT("\"));
}
lstrcat((LPTSTR)szNextDir, pOFI->szPath);
pstrPath = (LPTSTR)szNextDir;
idirNew = pOFI->idirSub; // for msgLBCHANGE message
}
else
{
//
// Need full path name.
//
cb = SendDlgItemMessage( hDlg,
lst2,
LB_GETTEXT,
0,
(LONG)(LPTSTR)pOFI->szPath );
//
// The following condition is necessary because wb displays
// \servershare (the disk resource name) for unc, but
// for root paths (eg. c:) for device conns, this in-
// consistency is hacked around here and in FillOutPath.
//
if (DBL_BSLASH((LPTSTR)pOFI->szPath))
{
lstrcat((LPTSTR)pOFI->szPath, TEXT("\"));
cb++;
}
for (idir = 1; idir <= idirNew; ++idir)
{
cb += SendDlgItemMessage(
hDlg,
lst2,
LB_GETTEXT,
(WPARAM)idir,
(LONG)(LPTSTR)&pOFI->szPath[cb] );
pOFI->szPath[cb++] = CHAR_BSLASH;
}
//
// The root is a special case.
//
if (idirNew)
{
pOFI->szPath[cb - 1] = CHAR_NULL;
}
pstrPath = pOFI->szPath;
}
if (!*pstrPath ||
(ChangeDir(hDlg, pstrPath, FALSE, TRUE) == CHANGEDIR_FAILED))
{
break;
}
//
// List all directories under this one.
//
UpdateListBoxes(hDlg, pOFI, (LPTSTR) NULL, mskDirectory);
if (pOFN->lpfnHook)
{
#ifdef UNICODE
if (pOFI->ApiType == COMDLG_ANSI)
{
(*pOFN->lpfnHook)( hDlg,
msgLBCHANGEA,
lst2,
MAKELONG(LOWORD(idirNew), CD_LBSELCHANGE) );
}
else
#endif
{
(*pOFN->lpfnHook)( hDlg,
msgLBCHANGEW,
lst2,
MAKELONG(LOWORD(idirNew), CD_LBSELCHANGE) );
}
}
return (TRUE);
}
break;
}
case ( cmb2 ) :
{
switch (GET_WM_COMMAND_CMD(wP, lParam))
{
case ( CBN_DROPDOWN ) :
{
pOFN->Flags |= OFN_DRIVEDOWN;
return (TRUE);
break;
}
case ( CBN_CLOSEUP ) :
{
//
// It would seem reasonable to merely do the update
// at this point, but that would rely on message
// ordering, which isnt a smart move. In fact, if
// you hit ALT-DOWNARROW, DOWNARROW, ALT-DOWNARROW,
// you receive CBN_DROPDOWN, CBN_SELCHANGE, and then
// CBN_CLOSEUP. But if you use the mouse to choose
// the same element, the last two messages trade
// places. PostMessage allows all messages in the
// sequence to be processed, and then updates are
// done as needed.
//
PostMessage( hDlg,
WM_COMMAND,
GET_WM_COMMAND_MPS(
cmb2,
GET_WM_COMMAND_HWND(wP, lParam),
MYCBN_DRAW ) );
return (TRUE);
break;
}
case ( MYCBN_LIST ) :
{
LoadDrives(hDlg);
break;
}
case ( MYCBN_REPAINT ) :
{
TCHAR szRepaintDir[CCHNETPATH];
LPTSTR lpCurDir;
DWORD cchCurDir;
HWND hCmb2 = (HWND)lParam;
// sanity
if (!(lpCurDir = (LPTSTR)TlsGetValue(g_tlsiCurDir)))
{
break;
}
lstrcpy(szRepaintDir, lpCurDir);
// BUG BUG: Only Unicode
cchCurDir = SheGetPathOffsetW((LPWSTR)szRepaintDir);
szRepaintDir[cchCurDir] = CHAR_NULL;
// Should always succeed
SendMessage( hCmb2,