+bool gUseNavServices = NavServicesAvailable() ;
+
+// the data we need to pass to our standard file hook routine
+// includes a pointer to the dialog, a pointer to the standard
+// file reply record (so we can inspect the current selection)
+// and a copy of the "previous" file spec of the reply record
+// so we can see if the selection has changed
+
+#if !TARGET_CARBON
+
+struct UserDataRec {
+ StandardFileReply *sfrPtr;
+ FSSpec oldSelectionFSSpec;
+ DialogPtr theDlgPtr;
+};
+typedef struct UserDataRec
+ UserDataRec, *UserDataRecPtr;
+
+enum {
+ kSelectItem = 10, // select button item number
+ kSFGetFolderDlgID = 250, // dialog resource number
+ kStrListID = 250, // our strings
+ kSelectStrNum = 1, // word 'Select: ' for button
+ kDesktopStrNum = 2, // word 'Desktop' for button
+ kSelectNoQuoteStrNum = 3, // word 'Select: ' for button
+
+ kUseQuotes = true, // parameter for SetButtonName
+ kDontUseQuotes = false
+};
+
+
+static void GetLabelString(StringPtr theStr, short stringNum)
+{
+ GetIndString(theStr, kStrListID, stringNum);
+}
+
+static void CopyPStr(StringPtr src, StringPtr dest)
+{
+ BlockMoveData(src, dest, 1 + src[0]);
+}
+
+static char GetSelectKey(void)
+{
+ // this is the key used to trigger the select button
+
+ // NOT INTERNATIONAL SAVVY; should at least grab it from resources
+
+ return 's';
+}
+
+
+// SetButtonName sets the name of the Select button in the dialog
+//
+// To do this, we need to call the Script Manager to truncate the
+// label in the middle to fit the button and to merge the button
+// name with the word Select (possibly followed by quotes). Using
+// the Script Manager avoids all sorts of problems internationally.
+//
+// buttonName is the name to appear following the word Select
+// quoteFlag should be true if the name is to appear in quotes
+
+static void SetButtonName(DialogPtr theDlgPtr, short buttonID, StringPtr buttonName,
+ Boolean quoteFlag)
+{
+ short buttonType;
+ Handle buttonHandle;
+ Rect buttonRect;
+ short textWidth;
+ Handle labelHandle;
+ Handle nameHandle;
+ Str15 keyStr;
+ Str255 labelStr;
+ OSErr err;
+
+ nameHandle = nil;
+ labelHandle = nil;
+
+ // get the details of the button from the dialog
+
+ GetDialogItem(theDlgPtr, buttonID, &buttonType, &buttonHandle, &buttonRect);
+
+ // get the string for the select button label, "Select ^0" or "Select Ò^0Ó"
+
+ GetLabelString(labelStr, (quoteFlag == kUseQuotes) ? kSelectStrNum : kSelectNoQuoteStrNum);
+
+ // make string handles containing the select button label and the
+ // file name to be stuffed into the button
+
+ err = PtrToHand(&labelStr[1], &labelHandle, labelStr[0]);
+ if (err != noErr) goto Bail;
+
+ // cut out the middle of the file name to fit the button
+ //
+ // we'll temporarily use labelStr here to hold the modified button name
+ // since we don't own the buttonName string storage space
+
+ textWidth = (buttonRect.right - buttonRect.left) - StringWidth(labelStr);
+
+ CopyPStr(buttonName, labelStr);
+ (void) TruncString(textWidth, labelStr, smTruncMiddle);
+
+ err = PtrToHand(&labelStr[1], &nameHandle, labelStr[0]);
+ if (err != noErr) goto Bail;
+
+ // replace the ^0 in the Select string with the file name
+
+ CopyPStr("\p^0", keyStr);
+
+ (void) ReplaceText(labelHandle, nameHandle, keyStr);
+
+ labelStr[0] = (unsigned char) GetHandleSize(labelHandle);
+ BlockMoveData(*labelHandle, &labelStr[1], labelStr[0]);
+
+ // now set the control title, and re-validate the area
+ // above the control to avoid a needless redraw
+
+ SetControlTitle((ControlHandle) buttonHandle, labelStr);
+
+ ValidRect(&buttonRect);
+
+Bail:
+ if (nameHandle) DisposeHandle(nameHandle);
+ if (labelHandle) DisposeHandle(labelHandle);
+
+}
+
+// FlashButton briefly highlights the dialog button
+// as feedback for key equivalents
+
+static void FlashButton(DialogPtr theDlgPtr, short buttonID)
+{
+ short buttonType;
+ Handle buttonHandle;
+ Rect buttonRect;
+ unsigned long finalTicks;
+
+ GetDialogItem(theDlgPtr, buttonID, &buttonType, &buttonHandle, &buttonRect);
+ HiliteControl((ControlHandle) buttonHandle, kControlButtonPart);
+ Delay(10, &finalTicks);
+ HiliteControl((ControlHandle) buttonHandle, 0);
+}
+
+static Boolean SameFSSpec(FSSpecPtr spec1, FSSpecPtr spec2)
+{
+ return (spec1->vRefNum == spec2->vRefNum
+ && spec1->parID == spec2->parID
+ && EqualString(spec1->name, spec2->name, false, false));
+}
+// MyModalDialogFilter maps a key to the Select button, and handles
+// flashing of the button when the key is hit
+
+static pascal Boolean SFGetFolderModalDialogFilter(DialogPtr theDlgPtr, EventRecord *eventRec,
+ short *item, void *dataPtr)
+{
+#pragma unused (dataPtr)
+
+ // make certain the proper dialog is showing, 'cause standard file
+ // can nest dialogs but calls the same filter for each
+
+ if (((WindowPeek) theDlgPtr)->refCon == sfMainDialogRefCon)
+ {
+ // check if the select button was hit
+
+ if ((eventRec->what == keyDown)
+ && (eventRec->modifiers & cmdKey)
+ && ((eventRec->message & charCodeMask) == GetSelectKey()))
+ {
+ *item = kSelectItem;
+ FlashButton(theDlgPtr, kSelectItem);
+ return true;
+ }
+ }
+
+ return false;
+}
+
+
+// MyDlgHook is a hook routine that maps the select button to Open
+// and sets the Select button name
+
+static pascal short SFGetFolderDialogHook(short item, DialogPtr theDlgPtr, void *dataPtr)
+{
+ UserDataRecPtr theUserDataRecPtr;
+ long desktopDirID;
+ short desktopVRefNum;
+ FSSpec tempSpec;
+ Str63 desktopName;
+ OSErr err;
+
+ // be sure Std File is really showing us the intended dialog,
+ // not a nested modal dialog
+
+ if (((WindowPeek) theDlgPtr)->refCon != sfMainDialogRefCon)
+ {
+ return item;
+ }
+
+ theUserDataRecPtr = (UserDataRecPtr) dataPtr;
+
+ // map the Select button to Open
+
+ if (item == kSelectItem)
+ {
+ item = sfItemOpenButton;
+ }
+
+ // find the desktop folder
+
+ err = FindFolder(theUserDataRecPtr->sfrPtr->sfFile.vRefNum,
+ kDesktopFolderType, kDontCreateFolder,
+ &desktopVRefNum, &desktopDirID);
+
+ if (err != noErr)
+ {
+ // for errors, get value that won't match any real vRefNum/dirID
+ desktopVRefNum = 0;
+ desktopDirID = 0;
+ }
+
+ // change the Select button label if the selection has changed or
+ // if this is the first call to the hook
+
+ if (item == sfHookFirstCall
+ || item == sfHookChangeSelection
+ || item == sfHookRebuildList
+ || ! SameFSSpec(&theUserDataRecPtr->sfrPtr->sfFile,
+ &theUserDataRecPtr->oldSelectionFSSpec))
+ {
+ // be sure there is a file name selected
+
+ if (theUserDataRecPtr->sfrPtr->sfFile.name[0] != '\0')
+ {
+ SetButtonName(theDlgPtr, kSelectItem,
+ theUserDataRecPtr->sfrPtr->sfFile.name,
+ kUseQuotes); // true -> use quotes
+ }
+ else
+ {
+ // is the desktop selected?
+
+ if (theUserDataRecPtr->sfrPtr->sfFile.vRefNum == desktopVRefNum
+ && theUserDataRecPtr->sfrPtr->sfFile.parID == desktopDirID)
+ {
+ // set button to "Select Desktop"
+
+ GetLabelString(desktopName, kDesktopStrNum);
+ SetButtonName(theDlgPtr, kSelectItem,
+ desktopName, kDontUseQuotes); // false -> no quotes
+ }
+ else
+ {
+ // get parent directory's name for the Select button
+ //
+ // passing an empty name string to FSMakeFSSpec gets the
+ // name of the folder specified by the parID parameter
+
+ (void) FSMakeFSSpec(theUserDataRecPtr->sfrPtr->sfFile.vRefNum,
+ theUserDataRecPtr->sfrPtr->sfFile.parID, "\p",
+ &tempSpec);
+ SetButtonName(theDlgPtr, kSelectItem,
+ tempSpec.name, kUseQuotes); // true -> use quotes
+ }
+ }
+ }
+
+ // save the current selection as the old selection for comparison next time
+ //
+ // it's not valid on the first call, though, or if we don't have a
+ // name available from standard file
+
+ if (item != sfHookFirstCall || theUserDataRecPtr->sfrPtr->sfFile.name[0] != '\0')
+ {
+ theUserDataRecPtr->oldSelectionFSSpec = theUserDataRecPtr->sfrPtr->sfFile;
+ }
+ else
+ {
+ // on first call, empty string won't set the button correctly,
+ // so invalidate oldSelection
+
+ theUserDataRecPtr->oldSelectionFSSpec.vRefNum = 999;
+ theUserDataRecPtr->oldSelectionFSSpec.parID = 0;
+ }
+
+ return item;
+}
+
+void StandardGetFolder( ConstStr255Param message , ConstStr255Param path , FileFilterYDUPP fileFilter, StandardFileReply *theSFR)
+{
+ Point thePt;
+ SFTypeList mySFTypeList;
+ UserDataRec myData;
+ FSSpec tempSpec;
+ Boolean folderFlag;
+ Boolean wasAliasedFlag;
+ DlgHookYDUPP dlgHookUPP;
+ ModalFilterYDUPP myModalFilterUPP;
+ OSErr err;
+
+
+ // presumably we're running System 7 or later so CustomGetFile is
+ // available
+
+ // set initial contents of Select button to a space
+
+ memcpy(theSFR->sfFile.name, "\p ", 2);
+
+ // point the user data parameter at the reply record so we can get to it later
+
+ myData.sfrPtr = theSFR;
+
+ // display the dialog
+
+ #if !TARGET_CARBON
+
+ dlgHookUPP = NewDlgHookYDProc(SFGetFolderDialogHook);
+ myModalFilterUPP = NewModalFilterYDProc(SFGetFolderModalDialogFilter);
+
+ thePt.h = thePt.v = -1; // center dialog
+
+ ParamText( message , NULL , NULL , NULL ) ;
+
+ CustomGetFile( fileFilter,
+ -1, // show all types
+ mySFTypeList,
+ theSFR,
+ kSFGetFolderDlgID,
+ thePt, // top left point
+ dlgHookUPP,
+ myModalFilterUPP,
+ nil, // activate list
+ nil, // activate proc
+ &myData);
+
+ DisposeRoutineDescriptor(dlgHookUPP);
+ DisposeRoutineDescriptor(myModalFilterUPP);
+ #else
+ #endif
+
+ // if cancel wasn't pressed and no fatal error occurred...
+
+ if (theSFR->sfGood)
+ {
+ // if no name is in the reply record file spec,
+ // use the file spec of the parent folder
+
+ if (theSFR->sfFile.name[0] == '\0')
+ {
+ err = FSMakeFSSpec(theSFR->sfFile.vRefNum, theSFR->sfFile.parID,
+ "\p", &tempSpec);
+ if (err == noErr)
+ {
+ theSFR->sfFile = tempSpec;
+ }
+ else
+ {
+ // no name to return, forget it
+
+ theSFR->sfGood = false;
+ }
+ }
+
+ // if there is now a name in the file spec, check if it's
+ // for a folder or a volume
+
+ if (theSFR->sfFile.name[0] != '\0')
+ {
+ // the parID of the root of a disk is always fsRtParID == 1
+
+ if (theSFR->sfFile.parID == fsRtParID)
+ {
+ theSFR->sfIsVolume = true;
+ theSFR->sfIsFolder = false; // it would be reasonable for this to be true, too
+ }
+
+ // we have a valid FSSpec, now let's make sure it's not for an alias file
+
+ err = ResolveAliasFile(&theSFR->sfFile, true, &folderFlag, &wasAliasedFlag);
+ if (err != noErr)
+ {
+ theSFR->sfGood = false;
+ }
+
+ // did the alias resolve to a folder?
+
+ if (folderFlag && ! theSFR->sfIsVolume)
+ {
+ theSFR->sfIsFolder = true;
+ }
+ }
+ }
+}
+
+static pascal Boolean OnlyVisibleFoldersCustomFileFilter(CInfoPBPtr myCInfoPBPtr, void *dataPtr)
+{
+#pragma unused (dataPtr)
+
+ // return true if this item is invisible or a file
+
+ Boolean visibleFlag;
+ Boolean folderFlag;
+
+ visibleFlag = ! (myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible);
+ folderFlag = (myCInfoPBPtr->hFileInfo.ioFlAttrib & 0x10);
+
+ // because the semantics of the filter proc are "true means don't show
+ // it" we need to invert the result that we return
+
+ return !(visibleFlag && folderFlag);
+}
+
+#endif
+
+
projects / wxWidgets.git / blobdiff