-IMPLEMENT_CLASS(wxDirDialog, wxDialog)
-
-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
-};
-
-// 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
-
-struct UserDataRec {
- StandardFileReply *sfrPtr;
- FSSpec oldSelectionFSSpec;
- DialogPtr theDlgPtr;
-};
-typedef struct UserDataRec
- UserDataRec, *UserDataRecPtr;
-
-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, Ptr 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, Ptr 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;
-}
projects / wxWidgets.git / blobdiff