gecko/widget/os2/nsFilePicker.cpp
Birunthan Mohanathas 6de9b9ead5 Bug 784739 - Switch from NULL to nullptr in widget/os2/; r=ehsan
--HG--
extra : rebase_source : c6afd8bd171364431280c8e69f406e36ebc5b523
2013-10-08 14:47:49 -04:00

798 lines
26 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsCOMPtr.h"
#include "nsReadableUtils.h"
#include "nsNetUtil.h"
#include "nsIServiceManager.h"
#include "nsIPlatformCharset.h"
#include "nsIFile.h"
#include "nsIURL.h"
#include "nsIStringBundle.h"
#include "nsEnumeratorUtils.h"
#include "nsCRT.h"
#include "nsIWidget.h"
#include "nsOS2Uni.h"
#include "nsFilePicker.h"
#ifndef MAX_PATH
#define MAX_PATH CCHMAXPATH
#endif
/* Item structure */
typedef struct _MyData
{
PAPSZ papszIFilterList;
ULONG ulCurExt;
ULONG ulNumFilters;
}MYDATA, *PMYDATA;
NS_IMPL_ISUPPORTS1(nsFilePicker, nsIFilePicker)
char nsFilePicker::mLastUsedDirectory[MAX_PATH+1] = { 0 };
static char* gpszFDSaveCaption = 0;
static char* gpszFDFileExists = 0;
static char* gpszFDFileReadOnly = 0;
MRESULT EXPENTRY DirDialogProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2);
MRESULT EXPENTRY FileDialogProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2);
//-------------------------------------------------------------------------
//
// nsFilePicker constructor
//
//-------------------------------------------------------------------------
nsFilePicker::nsFilePicker()
{
mWnd = nullptr;
mUnicodeEncoder = nullptr;
mUnicodeDecoder = nullptr;
mSelectedType = 0;
}
//-------------------------------------------------------------------------
//
// nsFilePicker destructor
//
//-------------------------------------------------------------------------
nsFilePicker::~nsFilePicker()
{
mFilters.Clear();
mTitles.Clear();
NS_IF_RELEASE(mUnicodeEncoder);
NS_IF_RELEASE(mUnicodeDecoder);
}
/* static */ void
nsFilePicker::ReleaseGlobals()
{
if (gpszFDSaveCaption) {
free(gpszFDSaveCaption);
free(gpszFDFileExists);
free(gpszFDFileReadOnly);
}
}
//-------------------------------------------------------------------------
//
// Show - Display the file dialog
//
//-------------------------------------------------------------------------
NS_IMETHODIMP nsFilePicker::Show(int16_t *retval)
{
NS_ENSURE_ARG_POINTER(retval);
bool result = false;
nsAutoCString fileBuffer;
char *converted = ConvertToFileSystemCharset(mDefault);
if (nullptr == converted) {
LossyCopyUTF16toASCII(mDefault, fileBuffer);
}
else {
fileBuffer.Assign(converted);
nsMemory::Free( converted );
}
char *title = ConvertToFileSystemCharset(mTitle);
if (nullptr == title)
title = ToNewCString(mTitle);
nsAutoCString initialDir;
if (mDisplayDirectory)
mDisplayDirectory->GetNativePath(initialDir);
// If no display directory, re-use the last one.
if(initialDir.IsEmpty())
initialDir = mLastUsedDirectory;
mFile.Truncate();
FILEDLG filedlg;
memset(&filedlg, 0, sizeof(FILEDLG));
filedlg.cbSize = sizeof(FILEDLG);
filedlg.pszTitle = title;
if (mMode == modeGetFolder) {
PL_strncat(filedlg.szFullFile, initialDir.get(), MAX_PATH);
if (filedlg.szFullFile[0] &&
filedlg.szFullFile[strlen(filedlg.szFullFile) - 1] != '\\')
PL_strncat(filedlg.szFullFile, "\\", 1);
PL_strncat(filedlg.szFullFile, "^", 1);
filedlg.fl = FDS_OPEN_DIALOG | FDS_CENTER;
filedlg.pfnDlgProc = DirDialogProc;
DosError(FERR_DISABLEHARDERR);
WinFileDlg(HWND_DESKTOP, mWnd, &filedlg);
DosError(FERR_ENABLEHARDERR);
char* tempptr = strchr(filedlg.szFullFile, '^');
if (tempptr)
*tempptr = '\0';
if (filedlg.lReturn == DID_OK) {
result = true;
if (!mDisplayDirectory)
mDisplayDirectory = do_CreateInstance("@mozilla.org/file/local;1");
if (mDisplayDirectory)
mDisplayDirectory->InitWithNativePath(nsDependentCString(filedlg.szFullFile));
mFile.Assign(filedlg.szFullFile);
}
}
else {
PL_strncpy(filedlg.szFullFile, initialDir.get(), MAX_PATH);
if (filedlg.szFullFile[0] &&
filedlg.szFullFile[strlen(filedlg.szFullFile) - 1] != '\\')
PL_strncat(filedlg.szFullFile, "\\", 1);
PL_strncat(filedlg.szFullFile, fileBuffer.get(), MAX_PATH);
filedlg.fl = FDS_CENTER;
if (mMode == modeSave) {
filedlg.fl |= FDS_SAVEAS_DIALOG | FDS_ENABLEFILELB;
} else if (mMode == modeOpenMultiple) {
filedlg.fl |= FDS_MULTIPLESEL | FDS_OPEN_DIALOG;
} else {
filedlg.fl |= FDS_OPEN_DIALOG;
}
PMYDATA pmydata;
pmydata = (PMYDATA)calloc(1, sizeof(MYDATA));
filedlg.ulUser = (ULONG)pmydata;
filedlg.pfnDlgProc = FileDialogProc;
uint32_t i;
PSZ *apszTypeList;
apszTypeList = (PSZ *)malloc(mTitles.Length()*sizeof(PSZ)+1);
for (i = 0; i < mTitles.Length(); i++)
{
const nsString& typeWide = mTitles[i];
nsAutoCharBuffer buffer;
int32_t bufLength;
WideCharToMultiByte(0, typeWide.get(), typeWide.Length(),
buffer, bufLength);
apszTypeList[i] = ToNewCString(nsDependentCString(buffer.Elements()));
}
apszTypeList[i] = 0;
filedlg.papszITypeList = (PAPSZ)apszTypeList;
PSZ *apszFilterList;
apszFilterList = (PSZ *)malloc(mFilters.Length()*sizeof(PSZ)+1);
for (i = 0; i < mFilters.Length(); i++)
{
const nsString& filterWide = mFilters[i];
apszFilterList[i] = ToNewCString(filterWide);
}
apszFilterList[i] = 0;
pmydata->papszIFilterList = (PAPSZ)apszFilterList;
pmydata->ulCurExt = mSelectedType;
bool fileExists = true;
do {
DosError(FERR_DISABLEHARDERR);
WinFileDlg(HWND_DESKTOP, mWnd, &filedlg);
DosError(FERR_ENABLEHARDERR);
if ((filedlg.lReturn == DID_OK) && (mMode == modeSave)) {
PRFileInfo64 fileinfo64;
PRStatus status = PR_GetFileInfo64(filedlg.szFullFile, &fileinfo64);
if (status == PR_SUCCESS) {
fileExists = true;
} else {
fileExists = false;
}
if (fileExists) {
if (!gpszFDSaveCaption) {
HMODULE hmod;
char LoadError[CCHMAXPATH];
char loadedString[256];
int length;
DosLoadModule(LoadError, CCHMAXPATH, "PMSDMRI", &hmod);
length = WinLoadString((HAB)0, hmod, 1110, 256, loadedString);
gpszFDSaveCaption = (char*)malloc(length+1);
strcpy(gpszFDSaveCaption, loadedString);
length = WinLoadString((HAB)0, hmod, 1135, 256, loadedString);
gpszFDFileExists = (char*)malloc(length+1);
strcpy(gpszFDFileExists, loadedString);
length = WinLoadString((HAB)0, hmod, 1136, 256, loadedString);
gpszFDFileReadOnly = (char*)malloc(length+1);
strcpy(gpszFDFileReadOnly, loadedString);
int i;
for (i=0;i<256 && gpszFDFileExists[i];i++ ) {
if (gpszFDFileExists[i] == '%') {
gpszFDFileExists[i+1] = 's';
break;
}
}
for (i=0;i<256 && gpszFDFileReadOnly[i];i++ ) {
if (gpszFDFileReadOnly[i] == '%') {
gpszFDFileReadOnly[i+1] = 's';
break;
}
}
DosFreeModule(hmod);
}
char pszFullText[256+CCHMAXPATH];
FILESTATUS3 fsts3;
ULONG ulResponse;
DosQueryPathInfo( filedlg.szFullFile, FIL_STANDARD, &fsts3, sizeof(FILESTATUS3));
if (fsts3.attrFile & FILE_READONLY) {
sprintf(pszFullText, gpszFDFileReadOnly, filedlg.szFullFile);
ulResponse = WinMessageBox(HWND_DESKTOP, mWnd, pszFullText,
gpszFDSaveCaption, 0,
MB_OK | MB_MOVEABLE | MB_WARNING);
} else {
sprintf(pszFullText, gpszFDFileExists, filedlg.szFullFile);
ulResponse = WinMessageBox(HWND_DESKTOP, mWnd, pszFullText,
gpszFDSaveCaption, 0,
MB_YESNO | MB_MOVEABLE | MB_WARNING);
}
if (ulResponse == MBID_YES) {
fileExists = false;
}
}
}
} while (mMode == modeSave && fileExists && filedlg.lReturn == DID_OK);
if (filedlg.lReturn == DID_OK) {
result = true;
if (mMode == modeOpenMultiple) {
nsresult rv;
if (filedlg.papszFQFilename) {
for (ULONG i=0;i<filedlg.ulFQFCount;i++) {
nsCOMPtr<nsIFile> file = do_CreateInstance("@mozilla.org/file/local;1", &rv);
NS_ENSURE_SUCCESS(rv,rv);
rv = file->InitWithNativePath(nsDependentCString(*(filedlg.papszFQFilename)[i]));
NS_ENSURE_SUCCESS(rv,rv);
rv = mFiles.AppendObject(file);
NS_ENSURE_SUCCESS(rv,rv);
}
WinFreeFileDlgList(filedlg.papszFQFilename);
} else {
nsCOMPtr<nsIFile> file = do_CreateInstance("@mozilla.org/file/local;1", &rv);
NS_ENSURE_SUCCESS(rv,rv);
rv = file->InitWithNativePath(nsDependentCString(filedlg.szFullFile));
NS_ENSURE_SUCCESS(rv,rv);
rv = mFiles.AppendObject(file);
NS_ENSURE_SUCCESS(rv,rv);
}
} else {
mFile.Assign(filedlg.szFullFile);
}
mSelectedType = (int16_t)pmydata->ulCurExt;
}
for (i = 0; i < mTitles.Length(); i++)
{
nsMemory::Free(*(filedlg.papszITypeList[i]));
}
free(filedlg.papszITypeList);
for (i = 0; i < mFilters.Length(); i++)
{
nsMemory::Free(*(pmydata->papszIFilterList[i]));
}
free(pmydata->papszIFilterList);
free(pmydata);
}
if (title)
nsMemory::Free( title );
if (result) {
int16_t returnOKorReplace = returnOK;
nsresult rv;
// Remember last used directory.
nsCOMPtr<nsIFile> file(do_CreateInstance("@mozilla.org/file/local;1", &rv));
NS_ENSURE_SUCCESS(rv, rv);
file->InitWithNativePath(mFile);
nsCOMPtr<nsIFile> dir;
if (NS_SUCCEEDED(file->GetParent(getter_AddRefs(dir)))) {
nsAutoCString newDir;
dir->GetNativePath(newDir);
if(!newDir.IsEmpty())
PL_strncpyz(mLastUsedDirectory, newDir.get(), MAX_PATH+1);
// Update mDisplayDirectory with this directory, also.
// Some callers rely on this.
if (!mDisplayDirectory)
mDisplayDirectory = do_CreateInstance("@mozilla.org/file/local;1");
if (mDisplayDirectory)
mDisplayDirectory->InitWithNativePath( nsDependentCString(mLastUsedDirectory) );
}
if (mMode == modeSave) {
// Windows does not return resultReplace,
// we must check if file already exists
bool exists = false;
file->Exists(&exists);
if (exists)
returnOKorReplace = returnReplace;
}
*retval = returnOKorReplace;
}
else {
*retval = returnCancel;
}
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::GetFile(nsIFile **aFile)
{
NS_ENSURE_ARG_POINTER(aFile);
if (mFile.IsEmpty())
return NS_OK;
nsCOMPtr<nsIFile> file(do_CreateInstance("@mozilla.org/file/local;1"));
NS_ENSURE_TRUE(file, NS_ERROR_FAILURE);
file->InitWithNativePath(mFile);
NS_ADDREF(*aFile = file);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_IMETHODIMP nsFilePicker::GetFileURL(nsIURI **aFileURL)
{
*aFileURL = nullptr;
nsCOMPtr<nsIFile> file;
nsresult rv = GetFile(getter_AddRefs(file));
if (!file)
return rv;
return NS_NewFileURI(aFileURL, file);
}
NS_IMETHODIMP nsFilePicker::GetFiles(nsISimpleEnumerator **aFiles)
{
NS_ENSURE_ARG_POINTER(aFiles);
return NS_NewArrayEnumerator(aFiles, mFiles);
}
//-------------------------------------------------------------------------
//
// Get the file + path
//
//-------------------------------------------------------------------------
NS_IMETHODIMP nsFilePicker::SetDefaultString(const nsAString& aString)
{
mDefault = aString;
//First, make sure the file name is not too long!
int32_t nameLength;
int32_t nameIndex = mDefault.RFind("\\");
if (nameIndex == kNotFound)
nameIndex = 0;
else
nameIndex ++;
nameLength = mDefault.Length() - nameIndex;
if (nameLength > CCHMAXPATH) {
int32_t extIndex = mDefault.RFind(".");
if (extIndex == kNotFound)
extIndex = mDefault.Length();
//Let's try to shave the needed characters from the name part
int32_t charsToRemove = nameLength - CCHMAXPATH;
if (extIndex - nameIndex >= charsToRemove) {
mDefault.Cut(extIndex - charsToRemove, charsToRemove);
}
}
//Then, we need to replace illegal characters.
//Windows has the following statement:
//At this stage, we cannot replace the backslash as the string might represent a file path.
//But it is not correct - Windows assumes this is not a path as well,
//as one of the FILE_ILLEGAL_CHARACTERS is a colon (:)
mDefault.ReplaceChar("\"", '\'');
mDefault.ReplaceChar("<", '(');
mDefault.ReplaceChar(">", ')');
mDefault.ReplaceChar(FILE_ILLEGAL_CHARACTERS, '_');
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::GetDefaultString(nsAString& aString)
{
return NS_ERROR_FAILURE;
}
//-------------------------------------------------------------------------
//
// The default extension to use for files
//
//-------------------------------------------------------------------------
NS_IMETHODIMP nsFilePicker::GetDefaultExtension(nsAString& aExtension)
{
aExtension = mDefaultExtension;
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::SetDefaultExtension(const nsAString& aExtension)
{
mDefaultExtension = aExtension;
return NS_OK;
}
//-------------------------------------------------------------------------
//
// Set the filter index
//
//-------------------------------------------------------------------------
NS_IMETHODIMP nsFilePicker::GetFilterIndex(int32_t *aFilterIndex)
{
*aFilterIndex = mSelectedType;
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::SetFilterIndex(int32_t aFilterIndex)
{
mSelectedType = aFilterIndex;
return NS_OK;
}
//-------------------------------------------------------------------------
void nsFilePicker::InitNative(nsIWidget *aParent,
const nsAString& aTitle)
{
mWnd = (HWND) ((aParent) ? aParent->GetNativeData(NS_NATIVE_WINDOW) : 0);
mTitle.Assign(aTitle);
}
//-------------------------------------------------------------------------
void nsFilePicker::GetFileSystemCharset(nsCString & fileSystemCharset)
{
static nsAutoCString aCharset;
nsresult rv;
if (aCharset.Length() < 1) {
nsCOMPtr <nsIPlatformCharset> platformCharset = do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv))
rv = platformCharset->GetCharset(kPlatformCharsetSel_FileName, aCharset);
NS_ASSERTION(NS_SUCCEEDED(rv), "error getting platform charset");
if (NS_FAILED(rv))
aCharset.AssignLiteral("IBM850");
}
fileSystemCharset = aCharset;
}
//-------------------------------------------------------------------------
char * nsFilePicker::ConvertToFileSystemCharset(const nsAString& inString)
{
char *outString = nullptr;
nsresult rv = NS_OK;
// get file system charset and create a unicode encoder
if (nullptr == mUnicodeEncoder) {
nsAutoCString fileSystemCharset;
GetFileSystemCharset(fileSystemCharset);
nsCOMPtr<nsICharsetConverterManager> ccm =
do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = ccm->GetUnicodeEncoderRaw(fileSystemCharset.get(), &mUnicodeEncoder);
}
}
// converts from unicode to the file system charset
if (NS_SUCCEEDED(rv)) {
int32_t inLength = inString.Length();
const nsAFlatString& flatInString = PromiseFlatString(inString);
int32_t outLength;
rv = mUnicodeEncoder->GetMaxLength(flatInString.get(), inLength,
&outLength);
if (NS_SUCCEEDED(rv)) {
outString = static_cast<char*>(nsMemory::Alloc( outLength+1 ));
if (nullptr == outString) {
return nullptr;
}
rv = mUnicodeEncoder->Convert(flatInString.get(), &inLength, outString,
&outLength);
if (NS_SUCCEEDED(rv)) {
outString[outLength] = '\0';
}
}
}
return NS_SUCCEEDED(rv) ? outString : nullptr;
}
//-------------------------------------------------------------------------
PRUnichar * nsFilePicker::ConvertFromFileSystemCharset(const char *inString)
{
PRUnichar *outString = nullptr;
nsresult rv = NS_OK;
// get file system charset and create a unicode encoder
if (nullptr == mUnicodeDecoder) {
nsAutoCString fileSystemCharset;
GetFileSystemCharset(fileSystemCharset);
nsCOMPtr<nsICharsetConverterManager> ccm =
do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = ccm->GetUnicodeDecoderRaw(fileSystemCharset.get(), &mUnicodeDecoder);
}
}
// converts from the file system charset to unicode
if (NS_SUCCEEDED(rv)) {
int32_t inLength = strlen(inString);
int32_t outLength;
rv = mUnicodeDecoder->GetMaxLength(inString, inLength, &outLength);
if (NS_SUCCEEDED(rv)) {
outString = static_cast<PRUnichar*>(nsMemory::Alloc( (outLength+1) * sizeof( PRUnichar ) ));
if (nullptr == outString) {
return nullptr;
}
rv = mUnicodeDecoder->Convert(inString, &inLength, outString, &outLength);
if (NS_SUCCEEDED(rv)) {
outString[outLength] = 0;
}
}
}
NS_ASSERTION(NS_SUCCEEDED(rv), "error charset conversion");
return NS_SUCCEEDED(rv) ? outString : nullptr;
}
NS_IMETHODIMP
nsFilePicker::AppendFilter(const nsAString& aTitle, const nsAString& aFilter)
{
if (aFilter.EqualsLiteral("..apps"))
mFilters.AppendElement(NS_LITERAL_STRING("*.exe;*.cmd;*.com;*.bat"));
else
mFilters.AppendElement(aFilter);
mTitles.AppendElement(aTitle);
return NS_OK;
}
MRESULT EXPENTRY DirDialogProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2)
{
switch ( msg ) {
case WM_INITDLG:
{
SWP swpFileST;
SWP swpDirST;
SWP swpDirLB;
SWP swpDriveST;
SWP swpDriveCB;
SWP swpDriveCBEF;
SWP swpOK;
SWP swpCancel;
HWND hwndFileST;
HWND hwndDirST;
HWND hwndDirLB;
HWND hwndDriveST;
HWND hwndDriveCB;
HWND hwndOK;
HWND hwndCancel;
HENUM henum;
HWND hwndNext;
ULONG ulCurY, ulCurX;
LONG lScreenX, lScreenY, lDlgFrameX, lDlgFrameY, lTitleBarY;
lScreenX = WinQuerySysValue(HWND_DESKTOP, SV_CXSCREEN);
lScreenY = WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN);
lDlgFrameX = WinQuerySysValue(HWND_DESKTOP, SV_CXDLGFRAME);
lDlgFrameY = WinQuerySysValue(HWND_DESKTOP, SV_CYDLGFRAME);
lTitleBarY = WinQuerySysValue(HWND_DESKTOP, SV_CYTITLEBAR);
hwndFileST = WinWindowFromID(hwndDlg, DID_FILENAME_TXT);
hwndDirST = WinWindowFromID(hwndDlg, DID_DIRECTORY_TXT);
hwndDirLB = WinWindowFromID(hwndDlg, DID_DIRECTORY_LB);
hwndDriveST = WinWindowFromID(hwndDlg, DID_DRIVE_TXT);
hwndDriveCB = WinWindowFromID(hwndDlg, DID_DRIVE_CB);
hwndOK = WinWindowFromID(hwndDlg, DID_OK);
hwndCancel = WinWindowFromID(hwndDlg, DID_CANCEL);
#define SPACING 10
// Reposition drives combobox
ulCurY = SPACING;
ulCurX = SPACING + lDlgFrameX;
WinQueryWindowPos(hwndOK, &swpOK);
WinSetWindowPos(hwndOK, 0, ulCurX, ulCurY, 0, 0, SWP_MOVE);
ulCurY += swpOK.cy + SPACING;
WinQueryWindowPos(hwndCancel, &swpCancel);
WinSetWindowPos(hwndCancel, 0, ulCurX+swpOK.cx+10, SPACING, 0, 0, SWP_MOVE);
WinQueryWindowPos(hwndDirLB, &swpDirLB);
WinSetWindowPos(hwndDirLB, 0, ulCurX, ulCurY, swpDirLB.cx, swpDirLB.cy, SWP_MOVE | SWP_SIZE);
ulCurY += swpDirLB.cy + SPACING;
WinQueryWindowPos(hwndDirST, &swpDirST);
WinSetWindowPos(hwndDirST, 0, ulCurX, ulCurY, swpDirST.cx, swpDirST.cy, SWP_MOVE | SWP_SIZE);
ulCurY += swpDirST.cy + SPACING;
WinQueryWindowPos(hwndDriveCB, &swpDriveCB);
WinQueryWindowPos(WinWindowFromID(hwndDriveCB, CBID_EDIT), &swpDriveCBEF);
WinSetWindowPos(hwndDriveCB, 0, ulCurX, ulCurY-(swpDriveCB.cy-swpDriveCBEF.cy)+5,
swpDirLB.cx,
swpDriveCB.cy,
SWP_SIZE | SWP_MOVE);
ulCurY += swpDriveCBEF.cy + SPACING;
WinQueryWindowPos(hwndDriveST, &swpDriveST);
WinSetWindowPos(hwndDriveST, 0, ulCurX, ulCurY, swpDriveST.cx, swpDriveST.cy, SWP_MOVE | SWP_SIZE);
ulCurY += swpDriveST.cy + SPACING;
WinQueryWindowPos(hwndFileST, &swpFileST);
WinSetWindowPos(hwndFileST, 0, ulCurX, ulCurY, swpFileST.cx, swpFileST.cy, SWP_MOVE | SWP_SIZE);
ulCurY += swpFileST.cy + SPACING;
// Hide unused stuff
henum = WinBeginEnumWindows(hwndDlg);
while ((hwndNext = WinGetNextWindow(henum)) != NULLHANDLE)
{
USHORT usID = WinQueryWindowUShort(hwndNext, QWS_ID);
if (usID != DID_FILENAME_TXT &&
usID != DID_DIRECTORY_TXT &&
usID != DID_DIRECTORY_LB &&
usID != DID_DRIVE_TXT &&
usID != DID_DRIVE_CB &&
usID != DID_OK &&
usID != DID_CANCEL &&
usID != FID_TITLEBAR &&
usID != FID_SYSMENU &&
usID != FID_MINMAX)
{
WinShowWindow(hwndNext, FALSE);
}
}
WinSetWindowPos(hwndDlg,
HWND_TOP,
(lScreenX/2)-((swpDirLB.cx+2*SPACING+2*lDlgFrameX)/2),
(lScreenY/2)-((ulCurY+2*lDlgFrameY+lTitleBarY)/2),
swpDirLB.cx+2*SPACING+2*lDlgFrameX,
ulCurY+2*lDlgFrameY+lTitleBarY,
SWP_MOVE | SWP_SIZE);
}
break;
case WM_CONTROL:
{
PFILEDLG pfiledlg;
pfiledlg = (PFILEDLG)WinQueryWindowPtr(hwndDlg, QWL_USER);
HPS hps;
SWP swp;
HWND hwndST;
RECTL rectlString = {0,0,1000,1000};
char *ptr = nullptr;
int iHalfLen;
int iLength;
CHAR szString[CCHMAXPATH];
hwndST = WinWindowFromID(hwndDlg, DID_FILENAME_TXT);
strcpy(szString, pfiledlg->szFullFile);
iLength = strlen(pfiledlg->szFullFile);
/* If we are not just a drive */
if (iLength > 3) {
if (szString[iLength-1] == '\\') {
szString[iLength-1] = '\0';
iLength--;
}
}
hps = WinGetPS(hwndST);
WinQueryWindowPos(hwndST, &swp);
WinDrawText(hps, iLength, szString,
&rectlString, 0, 0,
DT_BOTTOM | DT_QUERYEXTENT | DT_TEXTATTRS);
while(rectlString.xRight > swp.cx)
{
iHalfLen = iLength / 2;
if(iHalfLen == 2)
break;
ptr = szString + iHalfLen;
memmove(ptr - 1, ptr, strlen(ptr) + 1);
szString[iHalfLen - 2] = '.';
szString[iHalfLen - 1] = '.';
szString[iHalfLen] = '.';
iLength = strlen(szString);
rectlString.xLeft = rectlString.yBottom = 0;
rectlString.xRight = rectlString.yTop = 1000;
WinDrawText(hps, iLength, szString,
&rectlString, 0, 0,
DT_BOTTOM | DT_QUERYEXTENT | DT_TEXTATTRS);
}
WinReleasePS(hps);
WinSetWindowText(hwndST, szString);
}
break;
}
return WinDefFileDlgProc(hwndDlg, msg, mp1, mp2);
}
MRESULT EXPENTRY FileDialogProc( HWND hwndDlg, ULONG msg, MPARAM mp1, MPARAM mp2)
{
MRESULT mr;
PFILEDLG pfiledlg;
HWND hwndTypeCombo;
INT i;
SWP swp;
PMYDATA pmydata;
switch ( msg ) {
case WM_INITDLG:
/* Create another dropdown that we manage */
mr = WinDefFileDlgProc(hwndDlg, msg, mp1, mp2);
hwndTypeCombo = WinWindowFromID(hwndDlg, DID_FILTER_CB);
WinQueryWindowPos(hwndTypeCombo, &swp);
WinSetWindowPos(hwndTypeCombo, NULLHANDLE, 0, 0, 0, 0, SWP_HIDE);
hwndTypeCombo = WinCreateWindow( hwndDlg, WC_COMBOBOX, "",
WS_VISIBLE | WS_PARENTCLIP | WS_SYNCPAINT | WS_TABSTOP | CBS_DROPDOWNLIST,
swp.x, swp.y,
swp.cx, swp.cy, hwndDlg, swp.hwndInsertBehind, 290,
nullptr, nullptr );
WinSendMsg( hwndTypeCombo, LM_DELETEALL, (MPARAM)0, (MPARAM)0 );
pfiledlg = (PFILEDLG)WinQueryWindowULong( hwndDlg, QWL_USER );
pmydata = (PMYDATA)pfiledlg->ulUser;
i = 0;
while (*(pfiledlg->papszITypeList[i]) != nullptr) {
WinSendMsg( hwndTypeCombo, LM_INSERTITEM, (MPARAM)LIT_END, (MPARAM)*(pfiledlg->papszITypeList[i]) );
i++;
}
WinSendMsg( hwndTypeCombo, LM_SELECTITEM, (MPARAM)pmydata->ulCurExt, (MPARAM)TRUE );
return mr;
case WM_CONTROL:
{
if ((SHORT1FROMMP(mp1) == 290) &&
(SHORT2FROMMP(mp1) == CBN_LBSELECT)) {
hwndTypeCombo = WinWindowFromID(hwndDlg, 290);
pfiledlg = (PFILEDLG)WinQueryWindowULong( hwndDlg, QWL_USER );
pmydata = (PMYDATA)pfiledlg->ulUser;
pmydata->ulCurExt = (ULONG)WinSendMsg( hwndTypeCombo, LM_QUERYSELECTION, (MPARAM)LIT_FIRST, (MPARAM)0 );
if (pfiledlg->fl & FDS_OPEN_DIALOG) {
WinSetWindowText(WinWindowFromID(hwndDlg,DID_FILENAME_ED), *(pmydata->papszIFilterList[pmydata->ulCurExt]));
WinSendMsg(WinWindowFromID(hwndDlg,DID_FILENAME_ED), EM_SETSEL, MPFROM2SHORT(0, 32000), (MPARAM)0 );
WinSendMsg(hwndDlg, WM_CONTROL, MPFROM2SHORT(DID_FILTER_CB, CBN_LBSELECT), (MPARAM)0 );
}
return (MRESULT)TRUE;
}
}
break;
}
return WinDefFileDlgProc(hwndDlg, msg, mp1, mp2);
}