X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/76a5e5d21ee1a6230d777ce0209b2df4c6075f0f..2ad50cc75b44bdb79c3c1a031e1a548d0fa5bfb9:/src/mac/filedlg.cpp

diff --git a/src/mac/filedlg.cpp b/src/mac/filedlg.cpp
index 87e7846177..66a0c2fc79 100644
--- a/src/mac/filedlg.cpp
+++ b/src/mac/filedlg.cpp
@@ -35,9 +35,13 @@ IMPLEMENT_CLASS(wxFileDialog, wxDialog)
 
 #include <Navigation.h>
 
-#include "MoreFiles.h"
-#include "MoreFilesExtras.h"
-
+#ifdef __DARWIN__
+#  include "MoreFilesX.h"
+#else
+#  include "MoreFiles.h"
+#  include "MoreFilesExtras.h"
+#endif
+    
 extern bool gUseNavServices ;
 
 // the data we need to pass to our standard file hook routine
@@ -46,15 +50,15 @@ extern bool gUseNavServices ;
 // and a copy of the "previous" file spec of the reply record
 // so we can see if the selection has changed
 
-const int kwxMacFileTypes = 10 ;
-
 struct OpenUserDataRec {
   int           currentfilter ;
-  wxString      name [kwxMacFileTypes] ;
-  wxString      extensions[kwxMacFileTypes] ;
-	OSType				filtermactypes[kwxMacFileTypes] ;
-	int					  numfilters ;
+  bool				saveMode ;
+  wxArrayString      name ;
+  wxArrayString      extensions ;
+  wxArrayLong		filtermactypes ;
+  NavMenuItemSpecArrayHandle menuitems ;
 };
+
 typedef struct OpenUserDataRec
 	OpenUserDataRec, *OpenUserDataRecPtr;
 
@@ -75,23 +79,42 @@ NavEventProc(
 	NavCBRecPtr					ioParams,
 	NavCallBackUserData	ioUserData	)
 {
-	  OpenUserDataRec * data = ( OpenUserDataRec *) ioUserData ;
+	OpenUserDataRec * data = ( OpenUserDataRec *) ioUserData ;
 	if (inSelector == kNavCBEvent) {	
-			// In Universal Headers 3.2, Apple changed the definition of
-		/*
-		#if UNIVERSAL_INTERFACES_VERSION >= 0x0320 // Universal Headers 3.2
-			UModalAlerts::ProcessModalEvent(*(ioParams->eventData.eventDataParms.event));
-			
-		#else
-			UModalAlerts::ProcessModalEvent(*(ioParams->eventData.event));
-		#endif
-		*/
-		
+#if !TARGET_CARBON
          wxTheApp->MacHandleOneEvent(ioParams->eventData.eventDataParms.event);
-	} else if ( inSelector == kNavCBPopupMenuSelect )
+#endif
+	} 
+	else if ( inSelector == kNavCBStart )
 	{
-	  NavMenuItemSpec * menu = (NavMenuItemSpec *) ioParams->eventData.eventDataParms.param ;
-	  data->currentfilter = menu->menuType ;
+		if ( data->menuitems )
+			NavCustomControl(ioParams->context, kNavCtlSelectCustomType, &(*data->menuitems)[data->currentfilter]);
+	}
+	else if ( inSelector == kNavCBPopupMenuSelect )
+	{
+		NavMenuItemSpec * menu = (NavMenuItemSpec *) ioParams->eventData.eventDataParms.param ;
+		if ( menu->menuCreator == 'WXNG' )
+		{
+			data->currentfilter = menu->menuType ;
+			if ( data->saveMode )
+			{
+				int i = menu->menuType ;
+				wxString extension =  data->extensions[i].AfterLast('.') ;
+				extension.MakeLower() ;
+				Str255 filename ;
+				// get the current filename
+				NavCustomControl(ioParams->context, kNavCtlGetEditFileName, &filename);
+				CopyPascalStringToC( filename , (char*) filename ) ;
+				wxString sfilename( filename ) ;
+				int pos = sfilename.Find('.',TRUE) ;
+				if ( pos != wxNOT_FOUND )
+				{
+					sfilename = sfilename.Left(pos+1)+extension ;
+					CopyCStringToPascal( sfilename.c_str() , filename ) ;
+					NavCustomControl(ioParams->context, kNavCtlSetEditFileName, &filename);
+				}
+			}
+	  	}
 	}
 }
 
@@ -117,23 +140,25 @@ OSType gfiltersmac[] =
 
 void MakeUserDataRec(OpenUserDataRec	*myData , const wxString& filter )
 {
-  myData->currentfilter = 0 ;
-  
+	myData->menuitems = NULL ;
+  	myData->currentfilter = 0 ;
+  	myData->saveMode = FALSE ;
+  	
 	if ( filter && filter[0] )
 	{
 	  wxString filter2(filter) ;
     int filterIndex = 0;
     bool isName = true ;
     wxString current ;
-    for( unsigned int i = 0; i < filter2.Len(); i++ )
+    for( unsigned int i = 0; i < filter2.Len() ; i++ )
     {
        if( filter2.GetChar(i) == wxT('|') )
        {
         if( isName ) {
-          myData->name[filterIndex] = current ;
+          myData->name.Add( current ) ;
         }
         else {
-          myData->extensions[filterIndex] = current.MakeUpper() ;
+          myData->extensions.Add( current.MakeUpper() ) ;
           ++filterIndex ;
         }
         isName = !isName ;
@@ -144,36 +169,38 @@ void MakeUserDataRec(OpenUserDataRec	*myData , const wxString& filter )
         current += filter2.GetChar(i) ;
        }
     }
-//    if ( filterIndex > 0 )
-    {
-      wxASSERT_MSG( !isName , "incorrect format of format string" ) ;
-      myData->extensions[filterIndex] = current.MakeUpper() ;
-      ++filterIndex ;
-    }
+    // we allow for compatibility reason to have a single filter expression (like *.*) without
+    // an explanatory text, in that case the first part is name and extension at the same time
+      
+    wxASSERT_MSG( filterIndex == 0 || !isName , "incorrect format of format string" ) ;
+    if ( current.IsEmpty() )
+        myData->extensions.Add( myData->name[filterIndex] ) ;
+    else
+        myData->extensions.Add( current.MakeUpper() ) ;
+    if ( filterIndex == 0 || isName )
+        myData->name.Add( current.MakeUpper() ) ;
+        
+    ++filterIndex ;
+
 
-		myData->numfilters = filterIndex ;
-		for ( int i = 0 ; i < myData->numfilters ; i++ )
+        const size_t extCount = myData->extensions.GetCount();
+		for ( size_t i = 0 ; i < extCount; i++ )
 		{
 			int j ;
 			for ( j = 0 ; gfilters[j] ; j++ )
 			{
 				if ( strcmp( myData->extensions[i] , gfilters[j] ) == 0 )
 				{
-					myData->filtermactypes[i] = gfiltersmac[j] ;
+				    myData->filtermactypes.Add( gfiltersmac[j] ) ;
 					break ;
 				}
 			}
 			if( gfilters[j] == NULL )
 			{
-				myData->filtermactypes[i] = '****' ;
+				myData->filtermactypes.Add( '****' ) ;
 			}
 		}
 	}
-	else
-	{
-		myData->numfilters = 0 ;
-	}
-
 }
 
 static Boolean CheckFile( ConstStr255Param name , OSType type , OpenUserDataRecPtr data)
@@ -189,7 +216,7 @@ static Boolean CheckFile( ConstStr255Param name , OSType type , OpenUserDataRecP
     wxString file(filename) ;
     file.MakeUpper() ;
     
-    if ( data->numfilters > 0 )
+    if ( data->extensions.GetCount() > 0 )
     {
 	//for ( int i = 0 ; i < data->numfilters ; ++i )
 	    int i = data->currentfilter ;
@@ -197,7 +224,7 @@ static Boolean CheckFile( ConstStr255Param name , OSType type , OpenUserDataRecP
 	      return true ;
 	
 	    {
-	      if ( type == data->filtermactypes[i] )
+	      if ( type == (OSType)data->filtermactypes[i] )
 		      return true ;
 	    
 	      wxStringTokenizer tokenizer( data->extensions[i] , ";" ) ;
@@ -275,8 +302,7 @@ wxString wxFileSelector(const char *title,
 
     if ( fileDialog.ShowModal() == wxID_OK )
     {
-        strcpy(wxBuffer, (const char *)fileDialog.GetPath());
-        return wxBuffer;
+        return fileDialog.GetPath();
     }
     else
         return wxGetEmptyString();
@@ -299,8 +325,7 @@ WXDLLEXPORT wxString wxFileSelectorEx(const char *title,
     if ( fileDialog.ShowModal() == wxID_OK )
     {
         *defaultFilterIndex = fileDialog.GetFilterIndex();
-        strcpy(wxBuffer, (const char *)fileDialog.GetPath());
-        return wxBuffer;
+        return fileDialog.GetPath();
     }
     else
         return wxGetEmptyString();
@@ -310,7 +335,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
         const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
         long style, const wxPoint& pos)
 {
-	  wxASSERT_MSG( NavServicesAvailable() , "Navigation Services are not running" ) ;
+	wxASSERT_MSG( NavServicesAvailable() , "Navigation Services are not running" ) ;
     m_message = message;
     m_dialogStyle = style;
     m_parent = parent;
@@ -318,7 +343,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
     m_fileName = defaultFileName;
     m_dir = defaultDir;
     m_wildCard = wildCard;
-    m_filterIndex = 1;
+    m_filterIndex = 0;
 }
 
 
@@ -329,204 +354,212 @@ pascal Boolean CrossPlatformFilterCallback (
     NavFilterModes filterMode
 )
 {
-	bool display = true;
-	OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
-
-	if (filterMode == kNavFilteringBrowserList)
-	{
-	  NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
-		if (theItem->descriptorType == typeFSS && !theInfo->isFolder)
-		{
-		  FSSpec	spec;
-		  memcpy( &spec , *theItem->dataHandle , sizeof(FSSpec) ) ;
-		  display = CheckFile( spec.name , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
-		}
-	}
-
-	return display;
+    bool display = true;
+    OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
+    
+    if (filterMode == kNavFilteringBrowserList)
+    {
+        NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
+        if (theItem->descriptorType == typeFSS && !theInfo->isFolder)
+        {
+            FSSpec	spec;
+            memcpy( &spec , *theItem->dataHandle , sizeof(FSSpec) ) ;
+            display = CheckFile( spec.name , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
+        }
+    }
+    
+    return display;
 }
 
 int wxFileDialog::ShowModal()
 {
-		NavDialogOptions		mNavOptions;
-		NavObjectFilterUPP		mNavFilterUPP = NULL;
-		NavPreviewUPP			mNavPreviewUPP = NULL ;
-		NavReplyRecord			mNavReply;
-		AEDesc					mDefaultLocation ;
-		bool					mSelectDefault = false ;
+    NavDialogOptions	       mNavOptions;
+    NavObjectFilterUPP	       mNavFilterUPP = NULL;
+    NavPreviewUPP	       mNavPreviewUPP = NULL ;
+    NavReplyRecord	       mNavReply;
+    AEDesc		       mDefaultLocation ;
+    bool		       mSelectDefault = false ;
+		
+	// zero all data
+	
+	m_path = wxEmptyString ;
+	m_fileName = wxEmptyString ;
+	m_paths.Empty();
+	m_fileNames.Empty();
+
+	// setup dialog
 		
-		::NavGetDefaultDialogOptions(&mNavOptions);
+    ::NavGetDefaultDialogOptions(&mNavOptions);
 	
-		mNavFilterUPP	= nil;
-		mNavPreviewUPP	= nil;
-		mSelectDefault	= false;
-		mNavReply.validRecord				= false;
-		mNavReply.replacing					= false;
-		mNavReply.isStationery				= false;
-		mNavReply.translationNeeded			= false;
-		mNavReply.selection.descriptorType = typeNull;
-		mNavReply.selection.dataHandle		= nil;
-		mNavReply.keyScript					= smSystemScript;
-		mNavReply.fileTranslation			= nil;
+    mNavFilterUPP	= nil;
+    mNavPreviewUPP	= nil;
+    mSelectDefault	= false;
+    mNavReply.validRecord              = false;
+    mNavReply.replacing	               = false;
+    mNavReply.isStationery             = false;
+    mNavReply.translationNeeded	       = false;
+    mNavReply.selection.descriptorType = typeNull;
+    mNavReply.selection.dataHandle     = nil;
+    mNavReply.keyScript	               = smSystemScript;
+    mNavReply.fileTranslation          = nil;
 		
-		// Set default location, the location
-		//   that's displayed when the dialog
-		//   first appears
+    // Set default location, the location
+    //   that's displayed when the dialog
+    //   first appears
 		
-		FSSpec location ;
-		wxMacFilename2FSSpec( m_dir , &location ) ;
-		OSErr err = noErr ;
+    FSSpec location ;
+    wxMacFilename2FSSpec( m_dir , &location ) ;
+    OSErr err = noErr ;
 		
-		mDefaultLocation.descriptorType = typeNull;
-		mDefaultLocation.dataHandle     = nil;
+    mDefaultLocation.descriptorType = typeNull;
+    mDefaultLocation.dataHandle     = nil;
 
-		err = ::AECreateDesc(typeFSS, &location, sizeof(FSSpec), &mDefaultLocation );
+    err = ::AECreateDesc(typeFSS, &location, sizeof(FSSpec), &mDefaultLocation );
 
-		if ( mDefaultLocation.dataHandle ) {
+    if ( mDefaultLocation.dataHandle ) {
 			
-			if (mSelectDefault) {
-				mNavOptions.dialogOptionFlags |= kNavSelectDefaultLocation;
-			} else {
-				mNavOptions.dialogOptionFlags &= ~kNavSelectDefaultLocation;
-			}
-		}
+        if (mSelectDefault) {
+            mNavOptions.dialogOptionFlags |= kNavSelectDefaultLocation;
+        } else {
+            mNavOptions.dialogOptionFlags &= ~kNavSelectDefaultLocation;
+        }
+    }
 		
 #if TARGET_CARBON
-		c2pstrcpy((StringPtr)mNavOptions.message, m_message) ;
+    c2pstrcpy((StringPtr)mNavOptions.message, m_message) ;
 #else
-		strcpy((char *)mNavOptions.message, m_message) ;
-		c2pstr((char *)mNavOptions.message ) ;
+    strcpy((char *)mNavOptions.message, m_message) ;
+    c2pstr((char *)mNavOptions.message ) ;
 #endif
 #if TARGET_CARBON
-		c2pstrcpy((StringPtr)mNavOptions.savedFileName, m_fileName) ;
+    c2pstrcpy((StringPtr)mNavOptions.savedFileName, m_fileName) ;
 #else
-		strcpy((char *)mNavOptions.savedFileName, m_fileName) ;
-		c2pstr((char *)mNavOptions.savedFileName ) ;
+    strcpy((char *)mNavOptions.savedFileName, m_fileName) ;
+    c2pstr((char *)mNavOptions.savedFileName ) ;
 #endif
 
-		if ( m_dialogStyle & wxSAVE )
-		{
-			
-			mNavOptions.dialogOptionFlags |= kNavNoTypePopup ;
-			mNavOptions.dialogOptionFlags |= kNavDontAutoTranslate ;
-			mNavOptions.dialogOptionFlags |= kNavDontAddTranslateItems ;
+    OpenUserDataRec			myData;
+    MakeUserDataRec( &myData , m_wildCard ) ;
+    myData.currentfilter = m_filterIndex ;
+    if ( myData.extensions.GetCount() > 0 )
+    {
+        mNavOptions.popupExtension = (NavMenuItemSpecArrayHandle) NewHandle( sizeof( NavMenuItemSpec ) * myData.extensions.GetCount() ) ;
+        myData.menuitems = mNavOptions.popupExtension ;
+        for ( size_t i = 0 ; i < myData.extensions.GetCount() ; ++i ) 
+        {
+            (*mNavOptions.popupExtension)[i].version     = kNavMenuItemSpecVersion ;
+            (*mNavOptions.popupExtension)[i].menuCreator = 'WXNG' ;
+            (*mNavOptions.popupExtension)[i].menuType    = i ;
+#if TARGET_CARBON
+            c2pstrcpy((StringPtr)(*mNavOptions.popupExtension)[i].menuItemName, myData.name[i]) ;
+#else
+            strcpy((char *)(*mNavOptions.popupExtension)[i].menuItemName, myData.name[i]) ;
+            c2pstr((char *)(*mNavOptions.popupExtension)[i].menuItemName ) ;
+#endif
+        }
+    }
+    if ( m_dialogStyle & wxSAVE )
+    {
+        myData.saveMode = true ;
+
+        mNavOptions.dialogOptionFlags |= kNavDontAutoTranslate ;
+        mNavOptions.dialogOptionFlags |= kNavDontAddTranslateItems ;
 			
-			err = ::NavPutFile(
-						&mDefaultLocation,
-						&mNavReply,
-						&mNavOptions,
-						sStandardNavEventFilter ,
-						'TEXT',
-						'TEXT',
-						0L);					// User Data
-		}
-		else
-		{
-	  	OpenUserDataRec			myData;
-	  	MakeUserDataRec( &myData , m_wildCard ) ;
-	  	NavTypeListHandle typelist = NULL ;
-
-	  	if ( myData.numfilters > 0 )
-	  	{
-	  	  mNavOptions.popupExtension = (NavMenuItemSpecArrayHandle) NewHandle( sizeof( NavMenuItemSpec ) * myData.numfilters ) ;
-	  	  for ( int i = 0 ; i < myData.numfilters ; ++i ) {
-	  	    (*mNavOptions.popupExtension)[i].version = kNavMenuItemSpecVersion ;
-	  	    (*mNavOptions.popupExtension)[i].menuCreator = 'WXNG' ;
-	  	    (*mNavOptions.popupExtension)[i].menuType = i ;
-          #if TARGET_CARBON
-          		c2pstrcpy((StringPtr)(*mNavOptions.popupExtension)[i].menuItemName, myData.name[i]) ;
-          #else
-          		strcpy((char *)(*mNavOptions.popupExtension)[i].menuItemName, myData.name[i]) ;
-          		c2pstr((char *)(*mNavOptions.popupExtension)[i].menuItemName ) ;
-          #endif
-	  	  }
-	  	}
+        err = ::NavPutFile(
+                           &mDefaultLocation,
+                           &mNavReply,
+                           &mNavOptions,
+                           sStandardNavEventFilter ,
+                           NULL,
+                           kNavGenericSignature,
+                           &myData);					// User Data
+        m_filterIndex = myData.currentfilter ;
+    }
+    else
+    {
+        myData.saveMode = false ;
 
-      mNavFilterUPP = NewNavObjectFilterUPP( CrossPlatformFilterCallback ) ;
-			if ( m_dialogStyle & wxMULTIPLE )
-				mNavOptions.dialogOptionFlags |= kNavAllowMultipleFiles ;
-			else
-				mNavOptions.dialogOptionFlags &= ~kNavAllowMultipleFiles ;
+        mNavFilterUPP = NewNavObjectFilterUPP( CrossPlatformFilterCallback ) ;
+        if ( m_dialogStyle & wxMULTIPLE )
+            mNavOptions.dialogOptionFlags |= kNavAllowMultipleFiles ;
+        else
+            mNavOptions.dialogOptionFlags &= ~kNavAllowMultipleFiles ;
 			
-		 	err = ::NavGetFile(
-						&mDefaultLocation,
-						&mNavReply,
-						&mNavOptions,
-						sStandardNavEventFilter ,
-						mNavPreviewUPP,
-						mNavFilterUPP,
-						typelist /*inFileTypes.TypeListHandle() */,
-						&myData);							// User Data
-			if ( typelist )
-			  DisposeHandle( (Handle) typelist ) ;
-		}
+        err = ::NavGetFile(
+                           &mDefaultLocation,
+                           &mNavReply,
+                           &mNavOptions,
+                           sStandardNavEventFilter ,
+                           mNavPreviewUPP,
+                           mNavFilterUPP,
+                           NULL ,
+                           &myData);
+        m_filterIndex = myData.currentfilter ;
+    }
 		
-		DisposeNavObjectFilterUPP(mNavFilterUPP);
-		if ( mDefaultLocation.dataHandle != nil )
-		{
-			::AEDisposeDesc(&mDefaultLocation);
-		}
+    DisposeNavObjectFilterUPP(mNavFilterUPP);
+    if ( mDefaultLocation.dataHandle != nil )
+    {
+        ::AEDisposeDesc(&mDefaultLocation);
+    }
 		
-		if ( (err != noErr) && (err != userCanceledErr) ) {
-			m_path = "" ;
-			return wxID_CANCEL ;
-		}
+    if ( (err != noErr) && (err != userCanceledErr) ) {
+        return wxID_CANCEL ;
+    }
 
-		if (mNavReply.validRecord) {
+    if (mNavReply.validRecord) {
 		
-			FSSpec  outFileSpec ;
-			AEDesc specDesc ;
-			AEKeyword keyWord ;
+        FSSpec  outFileSpec ;
+        AEDesc specDesc ;
+        AEKeyword keyWord ;
 			
-			long count ;
-			::AECountItems( &mNavReply.selection , &count ) ;
-			for ( long i = 1 ; i <= count ; ++i )
-			{
-				OSErr err = ::AEGetNthDesc( &mNavReply.selection , i , typeFSS, &keyWord , &specDesc);
-				if ( err != noErr ) {
-					m_path = "" ;
-					return wxID_CANCEL ;
-				}			
-				outFileSpec = **(FSSpec**) specDesc.dataHandle;
-				if (specDesc.dataHandle != nil) {
-					::AEDisposeDesc(&specDesc);
-				}
-
-								
-				// outFolderDirID = thePB.dirInfo.ioDrDirID;
-				m_path = wxMacFSSpec2MacFilename( &outFileSpec ) ;
-				m_paths.Add( m_path ) ;
-	            m_fileNames.Add(m_fileName);
-	         }
-	         // set these to the first hit
-	         m_path = m_paths[ 0 ] ;
-	         m_fileName = wxFileNameFromPath(m_path);
-	         m_dir = wxPathOnly(m_path);
-       NavDisposeReply( &mNavReply ) ;
-			return wxID_OK ;
-		}
-		return wxID_CANCEL;
+        long count ;
+        ::AECountItems( &mNavReply.selection , &count ) ;
+        for ( long i = 1 ; i <= count ; ++i )
+        {
+            OSErr err = ::AEGetNthDesc( &mNavReply.selection , i , typeFSS, &keyWord , &specDesc);
+            if ( err != noErr ) {
+                m_path = "" ;
+                return wxID_CANCEL ;
+            }			
+            outFileSpec = **(FSSpec**) specDesc.dataHandle;
+            if (specDesc.dataHandle != nil) {
+                ::AEDisposeDesc(&specDesc);
+            }
+            m_path = wxMacFSSpec2MacFilename( &outFileSpec ) ;
+            m_paths.Add( m_path ) ;
+            m_fileName = wxFileNameFromPath(m_path);
+            m_fileNames.Add(m_fileName);
+        }
+        // set these to the first hit
+        m_path = m_paths[ 0 ] ;
+        m_fileName = wxFileNameFromPath(m_path);
+        m_dir = wxPathOnly(m_path);
+        NavDisposeReply( &mNavReply ) ;
+        return wxID_OK ;
+    }
+    return wxID_CANCEL;
 }
 
 // Generic file load/save dialog
 static wxString
 wxDefaultFileSelector(bool load, const char *what, const char *extension, const char *default_name, wxWindow *parent)
 {
-  char *ext = (char *)extension;
-  
-  char prompt[50];
-  wxString str;
-  if (load)
-    str = "Load %s file";
-  else
-    str = "Save %s file";
-  sprintf(prompt, wxGetTranslation(str), what);
-
-  if (*ext == '.') ext++;
-  char wild[60];
-  sprintf(wild, "*.%s", ext);
-
-  return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
+    char *ext = (char *)extension;
+    
+    char prompt[50];
+    wxString str;
+    if (load)
+        str = "Load %s file";
+    else
+        str = "Save %s file";
+    sprintf(prompt, wxGetTranslation(str), what);
+    
+    if (*ext == '.') ext++;
+    char wild[60];
+    sprintf(wild, "*.%s", ext);
+    
+    return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
 }
 
 // Generic file load dialog