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XmFileSelectionBox(3X) XmFileSelectionBox(3X) NAME XmFileSelectionBox - The FileSelectionBox widget class SYNOPSIS #include <Xm/FileSB.h> DESCRIPTION FileSelectionBox traverses through directories, views the files and subdirectories in them, and then selects files. A FileSelectionBox has five main areas: A text input field for display- ing and editing a directory mask used to select the files to be dis- played A scrollable list of filenames A scrollable list of subdirecto- ries A text input field for displaying and editing a filename A group of PushButtons, labeled OK, Filter, Cancel, and Help Additional children may be added to the FileSelectionBox after cre- ation. FileSelectionBox inherits the layout functionality provided by SelectionBox for any additional children. The list of filenames, the list of subdirectories, or both can be removed from the FileSelection- Box after creation by unmanaging the appropriate widgets and their la- bels. The list and label widgets are obtained by calling the function XmFileSelectionBoxGetChild. To remove either the directory list or the file list, unmanage the parent of the appropriate list widget and un- manage the corresponding label. The user can specify resources in a resource file for the automatically created widgets and gadgets of FileSelectionBox. The following list identifies the names of these widgets (or gadgets) and the associated FileSelectionBox areas. Filter Label--"FilterLabel": Filter Text--"Text" Directory List--"DirList" Directory List Label--"Dir" The directory mask is a string specifying the base directory to be ex- amined and a search pattern. Ordinarily, the directory list displays the subdirectories of the base directory, as well as the base directory itself and its parent directory. The file list ordinarily displays all files and/or subdirectories in the base directory that match the search pattern. A procedure specified by the XmNqualifySearchDataProc resource extracts the base directory and search pattern from the directory mask. If the directory specification is empty, the current working directory is used. If the search pattern is empty, a pattern that matches all files is used. An application can supply its own XmNqualifySearchDataProc as well as its own procedures to search for subdirectories and files. The default XmNqualifySearchDataProc works as follows: The directory mask is a pathname that can contain zero or more wildcard characters in its di- rectory portion, its file portion, or both. The directory components of the directory mask up to, but not includ- ing, the first component with a wildcard character specify the direc- tory to be searched, relative to the current working directory. The re- maining components specify the search pattern. If the directory mask is empty or if its first component contains a wildcard character, the cur- rent working directory is searched. If no component of the directory mask contains a wildcard character, the entire directory mask is the directory specification, and all files in that directory are matched. The user can select a new directory to examine by scrolling through the list of directories and selecting the desired directory or by editing the directory mask. Selecting a new directory from the directory list does not change the search pattern. A user can select a new search pat- tern by editing the directory mask. Double clicking or pressing KActi- vate on a directory in the directory list initiates a search for files and subdirectories in the new directory, using the current search pat- tern. The user can select a file by scrolling through the list of filenames and selecting the desired file or by entering the filename directly into the text edit area. Selecting a file from the list causes that filename to appear in the file selection text edit area. The user may select a new file as many times as desired. The applica- tion is not notified until the user takes one of these actions: Selects the OK PushButton. Presses KActivate while the selection text edit area has the keyboard focus. Double clicks or presses KActivate on an item in the file list FileSelectionBox initiates a directory and file search when any of the following occurs: The FileSelectionBox is initialized The function XtSetValues is used to change XmNdirMask, XmNdirectory, XmNpattern, or XmNfileTypeMask The user activates the Filter PushButton The user dou- ble clicks or presses KActivate on an item in the directory list The application calls XmFileSelectionDoSearch The user presses KActivate while the directory mask text edit area has the keyboard focus When a file search is initiated, the FileSelectionBox takes the follow- ing actions: Constructs an XmFileSelectionBoxCallbackStruct structure with values appropriate for the action that initiated the search Calls the XmNqualifySearchDataProc with the callback structure as the data input argument Sets XmNdirectoryValid and XmNlistUpdated to False Calls the XmNdirSearchProc with the qualified data returned by the XmNquali- fySearchDataProc If XmNdirectoryValid is True, the FileSelectionBox takes these addi- tional actions: Sets XmNlistUpdated to False Calls the XmNfileSearch- Proc with the qualified data returned by the XmNqualifySearchDataProc (and possibly modified by the XmNdirSearchProc) If XmNlistUpdated is True and the file list is empty, displays the XmNnoMatchString in the file list and clears the selection text and XmNdirSpec If XmNlistUp- dated is True and the file list is not empty, sets the selection text and XmNdirSpec to the qualified dir returned by the XmNqualifySearch- DataProc (and possibly modified by the XmNdirSearchProc) Sets the di- rectory mask text and XmNdirMask to the qualified mask returned by the XmNqualifySearchDataProc (and possibly modified by the XmNdirSearch- Proc) Sets XmNdirectory to the qualified dir returned by the XmNquali- fySearchDataProc (and possibly modified by the XmNdirSearchProc) Sets XmNpattern to the qualified pattern returned by the XmNqualifySearch- DataProc (and possibly modified by the XmNdirSearchProc) Classes FileSelectionBox inherits behavior and resources from Core, Composite, Constraint, XmManager, XmBulletinBoard, and XmSelectionBox. The class pointer is xmFileSelectionBoxWidgetClass. The class name is XmFileSelectionBox. New Resources The following table defines a set of widget resources used by the pro- grammer to specify data. The programmer can also set the resource val- ues for the inherited classes to set attributes for this widget. To reference a resource by name or by class in a .Xdefaults file, remove the XmN or XmC prefix and use the remaining letters. To specify one of the defined values for a resource in a .Xdefaults file, remove the Xm prefix and use the remaining letters (in either lowercase or uppercase, but include any underscores between words). The codes in the access column indicate if the given resource can be set at creation time (C), set by using XtSetValues (S), retrieved by using XtGetValues (G), or is not applicable (N/A). XmFileSelectionBox Resource Set Class: XmCDirectory Default: dynamic Type: XmString Access: CSG Class: XmCDirectoryValid Default: dynamic Type: Boolean Access: SG Class: Xm- CDirListItems Default: dynamic Type: XmStringTable Access: SG Class: XmCDirListItemCount Default: dynamic Type: int Access: SG Class: Xm- CDirListLabelString Default: dynamic Type: XmString Access: CSG Class: XmCDirMask Default: dynamic Type: XmString Access: CSG Class: Xm- CDirSearchProc Default: default procedure Type: XmSearchProc Access: CSG Class: XmCDirSpec Default: dynamic Type: XmString Access: CSG Class: XmCItems Default: dynamic Type: XmStringTable Access: SG Class: XmCItemCount Default: dynamic Type: int Access: SG Class: XmCFileList- LabelString Default: dynamic Type: XmString Access: CSG Class: XmC- FileSearchProc Default: default procedure Type: XmSearchProc Access: CSG Class: XmCFileTypeMask Default: XmFILE_REGULAR Type: unsigned char Access: CSG Class: XmCFilterLabelString Default: dynamic Type: Xm- String Access: CSG Class: XmCListUpdated Default: dynamic Type: Boolean Access: SG Class: XmCNoMatchString Default: " [ ] " Type: XmString Access: CSG Class: XmCPattern Default: dynamic Type: XmString Access: CSG Class: XmCQualifySearchDataProc Default: default procedure Type: XmQualifyProc Access: CSG Specifies the base directory used in combination with XmNpattern in de- termining the files and directories to be displayed. The default value is determined by the XmNqualifySearchDataProc and depends on the ini- tial values of XmNdirMask, XmNdirectory, and XmNpattern. If the default is NULL or empty, the current working directory is used. Specifies an attribute that is set only by the directory search procedure. The value is set to True if the directory passed to the directory search proce- dure can actually be searched. If this value is False the file search procedure is not called, and XmNdirMask, XmNdirectory, and XmNpattern are not changed. Specifies the items in the directory list. XtGetVal- ues for this resource returns the list items themselves, not a copy of the list items. The application must not free the returned items. Specifies the number of items in the directory list. The value must not be negative. Specifies the label string of the directory list. The de- fault for this resource depends on the locale. In the C locale the de- fault is "Directories". Specifies the directory mask used in determin- ing the files and directories to be displayed. The default value is de- termined by the XmNqualifySearchDataProc and depends on the initial values of XmNdirMask, XmNdirectory, and XmNpattern. Specifies a direc- tory search procedure to replace the default directory-search proce- dure. FileSelectionBox's default directory-search procedure fulfills the needs of most applications. Because it is impossible to cover the requirements of all applications, you can replace the default search procedure. The directory search procedure is called with two arguments: the FileSelectionBox widget and a pointer to an XmFileSelectionBox- CallbackStruct structure. The callback structure is generated by the XmNqualifySearchDataProc and contains all information re- quired to conduct a directory search, including the directory mask and a qualified base directory and search pattern. Once called, it is up to the search routine to generate a new list of directories and update the FileSelectionBox widget by using XtSetValues. The search procedure must set XmNdirectoryValid and XmNlistUp- dated. If it generates a new list of directories, it must also set XmNdirListItems and XmNdirListItemCount. If the search procedure cannot search the specified directory, it must warn the user and set XmNdirectoryValid and XmNlistUp- dated to False, unless it prompts and subsequently obtains a valid directory. If the directory is valid but is the same as the current XmNdirectory, the search procedure must set XmNdi- rectoryValid to True, but it may elect not to generate a new list of directories. In this case is must set XmNlistUpdated to False. If the search procedure generates a new list of directories, it must set XmNdirListItems to the new list of directories and Xm- NdirListItemCount to the number of items in the list. If there are no directories, it sets XmNdirListItems to NULL and Xm- NdirListItemCount to 0. In either case it must set XmNdirectory- Valid and XmNlistUpdated to True. The search procedure ordinarily should not change the callback struct. But if the original directory is not valid, the search procedure may obtain a new directory from the user. In this case it should set the dir member of the callback struct to the new directory, call the XmNqualifySearchDataProc with the callback struct as the input argument, and copy the qualified data re- turned by the XmNqualifySearchDataProc into the callback struct. Specifies the full file path specification. This is the XmN- textString resource in SelectionBox, renamed for FileSelection- Box. The default value is determined by the FileSelectionBox af- ter conducting the initial directory and file search. Specifies the items in the file list. This is the XmNlistItems resource in SelectionBox, renamed for FileSelectionBox. XtGetValues for this resource returns the list items themselves, not a copy of the list items. The application must not free the returned items. Specifies the number of items in the file list. This is the XmN- listItemCount resource in SelectionBox, renamed for FileSelec- tionBox. The value must not be negative. Specifies the label string of the file list. This is the XmNlistLabelString resource in SelectionBox, renamed for FileSelectionBox. The default for this resource depends on the locale. In the C locale the default is "Files". Specifies a file search procedure to replace the default file-search procedure. FileSelectionBox's default file- search procedure fulfills the needs of most applications. Be- cause it is impossible to cover the requirements of all applica- tions, you can replace the default search procedure. The file search procedure is called with two arguments: the FileSelectionBox widget and a pointer to an XmFileSelectionBox- CallbackStruct structure. The callback structure is generated by the XmNqualifySearchDataProc (and possibly modified by the Xm- NdirSearchProc). It contains all information required to conduct a file search, including the directory mask and a qualified base directory and search pattern. Once called, it is up to the search routine to generate a new list of files and update the FileSelectionBox widget by using XtSetValues. The search procedure must set XmNlistUpdated. If it generates a new list of files, it must also set XmNfileListItems and XmN- fileListItemCount. The search procedure is recommended always to generate a new list of files. If the mask member of the callback struct is the same as the mask member of the callback struct in the preceding call to the search procedure, the procedure may elect not to generate a new list of files. In this case it must set XmNlis- tUpdated to False. If the search procedure generates a new list of files, it must set XmNfileListItems to the new list of files and XmNfileLis- tItemCount to the number of items in the list. If there are no files, it sets XmNfileListItems to NULL and XmNfileListItemCount to 0. In either case it must set XmNlistUpdated to True. In constructing the list of files, the search procedure should include only files of the types specified by the widget's XmN- fileTypeMask. Setting XmNdirSpec is optional, but recommended. Set this at- tribute to the full file specification of the directory searched. The directory specification is displayed below the di- rectory and file lists. Specifies the type of files listed in the file list. Following are the possible values: XmFILE_REGULAR restricts the file list to contain only regular files. Xm- FILE_DIRECTORY restricts the file list to contain only directo- ries. XmFILE_ANY_TYPE allows the list to contain all file types including directories. Specifies the label string for the text entry field for the directory mask. The default for this re- source depends on the locale. In the C locale the default is "Filter". Specifies an attribute that is set only by the direc- tory and file search procedures. Set to True if the search pro- cedure updated the directory or file list. Specifies a string to be displayed in the file list if the list of files is empty. Specifies the search pattern used in combination with XmNdirec- tory in determining the files and directories to be displayed. The default value is determined by the XmNqualifySearchDataProc and depends on the initial values of XmNdirMask, XmNdirectory, and XmNpattern. If the default is NULL or empty, a pattern that matches all files is used. Specifies a search data qualifica- tion procedure to replace the default data qualification proce- dure. FileSelectionBox's default data qualification procedure fulfills the needs of most applications. Because it is impossi- ble to cover the requirements of all applications, you can re- place the default procedure. The data qualification procedure is called to generate a quali- fied directory mask, base directory, and search pattern for use by the directory and file search procedures. It is called with three arguments: the FileSelectionBox widget and pointers to two XmFileSelectionBoxCallbackStruct structures. The first callback struct contains the input data. The second callback struct con- tains the output data, to be filled in by the data qualification procedure. If the input dir and pattern members are not NULL, the procedure must copy them to the corresponding members of the output call- back struct. If the input dir is NULL, the procedure constructs the output dir as follows: If the input mask member is NULL, the procedure uses the widget's XmNdirectory as the output dir; otherwise, it extracts the output dir from the input mask. If the resulting output dir is empty, the procedure uses the current working di- rectory instead. If the input pattern is NULL, the procedure constructs the out- put pattern as follows: If the input mask member is NULL, the procedure uses the widget's XmNpattern as the output pattern; otherwise, it extracts the output pattern from the input mask. If the resulting output pattern is empty, the procedure uses a pattern that matches all files instead. The data qualification procedure constructs the output mask from the output dir and pattern. The procedure must ensure that the output dir, pattern, and mask are fully qualified. If the input value member is not NULL, the procedure must copy it to the output value member; otherwise, the procedure must copy the widget's XmNdirSpec to the output value. The data qualification procedure must calculate the lengths of the output value, mask, dir, and pattern members and must fill in the corresponding length members of the output callback struct. The data qualification procedure must copy the input reason and event members to the corresponding output members. The values of the XmNdirSearchProc and XmNfileSearchProc are procedure pointers of type XmSearchProc, defined as follows: void (* XmSearchProc) (w, search_data) Widget w; XtPointer search_data; The FileSelectionBox widget Pointer to an XmFileSelectionBoxCallback- Struct containing information for conducting a search The value of the XmNqualifySearchDataProc resource is a procedure pointer of type XmQualifyProc, defined as follows: void (* XmQualifyProc) (w, input_data, output_data) Widget w; XtPointer input_data; XtPointer output_data; The FileSelectionBox widget Pointer to an XmFileSelectionBoxCallback- Struct containing input data to be qualified Pointer to an XmFileSelec- tionBoxCallbackStruct containing output data to be filled in by the qualification procedure Inherited Resources FileSelectionBox inherits behavior and resources from the following su- perclasses. For a complete description of each resource, refer to the man page for that superclass. XmSelectionBox Resource Set Class: XmCCallback Default: NULL Type: XtCallbackList Access: C Class: XmCApplyLabelString Default: dynamic Type: XmString Access: CSG Class: XmCCallback Default: NULL Type: XtCallbackList Access: C Class: XmC- CancelLabelString Default: dynamic Type: XmString Access: CSG Class: XmCChildPlacement Default: XmPLACE_ABOVE_SELECTION Type: unsigned char Access: CSG Class: XmCDialogType Default: XmDIALOG_FILE_SELECTION Type: unsigned char Access: G Class: XmCHelpLabelString Default: dynamic Type: XmString Access: CSG Class: XmCItemCount Default: dynamic Type: int Access: CSG Class: XmCItems Default: dynamic Type: XmStringTable Access: CSG Class: XmCListLabelString Default: dynamic Type: XmString Access: CSG Class: XmCVisibleItemCount Default: dynamic Type: int Ac- cess: CSG Class: XmCMinimizeButtons Default: False Type: Boolean Ac- cess: CSG Class: XmCMustMatch Default: False Type: Boolean Access: CSG Class: XmCCallback Default: NULL Type: XtCallbackList Access: C Class: XmCCallback Default: NULL Type: XtCallbackList Access: C Class: XmCOk- LabelString Default: dynamic Type: XmString Access: CSG Class: XmCSe- lectionLabelString Default: dynamic Type: XmString Access: CSG Class: XmCTextAccelerators Default: default Type: XtAccelerators Access: C Class: XmCColumns Default: dynamic Type: short Access: CSG Class: XmC- TextString Default: dynamic Type: XmString Access: CSG XmBulletinBoard Resource Set Class: XmCAllowOverlap Default: True Type: Boolean Access: CSG Class: XmCAutoUnmanage Default: False Type: Boolean Access: CG Class: XmCBut- tonFontList Default: dynamic Type: XmFontList Access: CSG Class: Xm- CWidget Default: Cancel button Type: Widget Access: SG Class: XmCWid- get Default: OK button Type: Widget Access: SG Class: XmCDefaultPosi- tion Default: True Type: Boolean Access: CSG Class: XmCDialogStyle De- fault: dynamic Type: unsigned char Access: CSG Class: XmCDialogTitle Default: NULL Type: XmString Access: CSG Class: XmCCallback Default: NULL Type: XtCallbackList Access: C Class: XmCLabelFontList Default: dynamic Type: XmFontList Access: CSG Class: XmCCallback Default: NULL Type: XtCallbackList Access: C Class: XmCMarginHeight Default: 10 Type: Dimension Access: CSG Class: XmCMarginWidth Default: 10 Type: Dimension Access: CSG Class: XmCNoResize Default: False Type: Boolean Access: CSG Class: XmCResizePolicy Default: XmRESIZE_ANY Type: un- signed char Access: CSG Class: XmCShadowType Default: XmSHADOW_OUT Type: unsigned char Access: CSG Class: XmCTextFontList Default: dy- namic Type: XmFontList Access: CSG Class: XmCTranslations Default: NULL Type: XtTranslations Access: C Class: XmCCallback Default: NULL Type: XtCallbackList Access: C XmManager Resource Set Class: XmCBottomShadowColor Default: dynamic Type: Pixel Access: CSG Class: XmCBottomShadowPixmap Default: XmUNSPECIFIED_PIXMAP Type: Pixmap Access: CSG Class: XmCForeground Default: dynamic Type: Pixel Access: CSG Class: XmCCallback Default: NULL Type: XtCallbackList Ac- cess: C Class: XmCHighlightColor Default: dynamic Type: Pixel Access: CSG Class: XmCHighlightPixmap Default: dynamic Type: Pixmap Access: CSG Class: XmCInitialFocus Default: dynamic Type: Widget Access: CSG Class: XmCNavigationType Default: XmTAB_GROUP Type: XmNavigationType Access: CSG Class: XmCShadowThickness Default: dynamic Type: Dimension Access: CSG Class: XmCStringDirection Default: dynamic Type: Xm- StringDirection Access: CG Class: XmCTopShadowColor Default: dynamic Type: Pixel Access: CSG Class: XmCTopShadowPixmap Default: dynamic Type: Pixmap Access: CSG Class: XmCTraversalOn Default: True Type: Boolean Access: CSG Class: XmCUnitType Default: dynamic Type: unsigned char Access: CSG Class: XmCUserData Default: NULL Type: XtPointer Ac- cess: CSG Composite Resource Set Class: XmCReadOnly Default: NULL Type: WidgetList Access: G Class: Xm- CInsertPosition Default: NULL Type: XtOrderProc Access: CSG Class: Xm- CReadOnly Default: 0 Type: Cardinal Access: G Core Resource Set Class: XmCAccelerators Default: dynamic Type: XtAccelerators Access: N/A Class: XmCSensitive Default: dynamic Type: Boolean Access: G Class: XmCBackground Default: dynamic Type: Pixel Access: CSG Class: XmCPixmap Default: XmUNSPECIFIED_PIXMAP Type: Pixmap Access: CSG Class: XmCBorderColor Default: XtDefaultForeground Type: Pixel Access: CSG Class: XmCPixmap Default: XmUNSPECIFIED_PIXMAP Type: Pixmap Ac- cess: CSG Class: XmCBorderWidth Default: 0 Type: Dimension Access: CSG Class: XmCColormap Default: dynamic Type: Colormap Access: CG Class: XmCDepth Default: dynamic Type: int Access: CG Class: XmCCallback De- fault: NULL Type: XtCallbackList Access: C Class: XmCHeight Default: dynamic Type: Dimension Access: CSG Class: XmCInitialResourcesPersis- tent Default: True Type: Boolean Access: C Class: XmCMappedWhenManaged Default: True Type: Boolean Access: CSG Class: XmCScreen Default: dy- namic Type: Screen * Access: CG Class: XmCSensitive Default: True Type: Boolean Access: CSG Class: XmCTranslations Default: dynamic Type: XtTranslations Access: CSG Class: XmCWidth Default: dynamic Type: Dimension Access: CSG Class: XmCPosition Default: 0 Type: Posi- tion Access: CSG Class: XmCPosition Default: 0 Type: Position Access: CSG Callback Information A pointer to the following structure is passed to each callback: typedef struct { int reason; XEvent * event; XmString value; int length; XmString mask; int mask_length; XmString dir; int dir_length; XmString pattern; int pattern_length; } XmFileSelectionBoxCallbackStruct; Indicates why the callback was invoked Points to the XEvent that trig- gered the callback Specifies the current value of XmNdirSpec Specifies the number of bytes in value Specifies the current value of XmNdirMask Specifies the number of bytes in mask Specifies the current base direc- tory Specifies the number of bytes in dir Specifies the current search pattern Specifies the number of bytes in pattern Translations XmFileSelectionBox inherits translations from XmSelectionBox. Accelerators The XmNtextAccelerators from XmSelectionBox are added to the selection and directory mask (filter) Text descendants of XmFileSelectionBox. Action Routines The XmFileSelectionBox action routines are described below: If neither the selection text nor the directory mask (filter) text has the focus, this action does nothing. If the selection text has the focus, the term list in the fol- lowing description refers to the file list, and the term text refers to the selection text. If the directory mask text has the focus, list refers to the directory list, and text refers to the directory mask text. When called with a 0 argument, selects the previous item in the list and replaces the text with that item. When called with a 1 argument, selects the next item in the list and replaces the text with that item. When called with a 2 argument, selects the first item in the list and replaces the text with that item. When called with a 3 argument, selects the last item in the list and replaces the text with that item. If neither the selection text nor the directory mask (filter) text has the focus, this action does nothing. If the selection text has the focus, replaces the selection text with the selected item in the file list. If no item in the file list is selected, clears the selection text. If the directory mask text has the focus, replaces the directory mask text with a new directory mask constructed from the XmNdi- rectory and XmNpattern resources. Additional Behavior The FileSelectionBox widget has the additional behavior described be- low: Calls the activate callbacks for the cancel button if it is sensi- tive. If no cancel button exists and the parent of the FileSelectionBox is a manager, passes the event to the parent. Calls the selection text widget's XmNactivateCallback callbacks. If XmNmustMatch is True and the selection text does not match an item in the file list, calls the XmN- noMatchCallback callbacks with reason XmCR_NO_MATCH. Otherwise, calls the XmNokCallback callbacks with reason XmCR_OK. Calls the directory mask text widget's XmNactivateCallback callbacks. Initiates a directory and file search. Calls the XmNapplyCallback callbacks with reason XmCR_APPLY. Calls the directory list widget's XmNdefaultActionCallback callbacks. Initiates a directory and file search. Calls the XmNapply- Callback callbacks with reason XmCR_APPLY. Calls the file list wid- get's XmNdefaultActionCallback callbacks. Calls the XmNokCallback call- backs with reason XmCR_OK. Generates a new directory mask, using the selected list item as the directory and the pattern extracted from the current directory mask text as the search pattern. If the search pat- tern is empty, uses a pattern that matches all files in the directory. Replaces the directory mask text with the new directory mask. Replaces the selection text with the selected list item. Drags the content of one or more selected list items using the drag and drop facility. If BDrag is pressed on an unselected item, drags only that item, excluding any other selected items. The XmNexportTargets resource of the associated DragContext is set to target types of COMPOUND_TEXT and FILE_NAME. The XmN- clientData resource is set to the index of the item in the list. Drags the content of one or more selected list items using the drag and drop facility. If BDrag is pressed on an unselected item, drags only that item, excluding any other selected items. The XmNexportTargets resource of the associated DragContext is set to target types of COMPOUND_TEXT and FILE_NAME. The XmN- clientData resource is set to the index of the item in the list. Initiates a directory and file search. Calls the XmNapplyCall- back callbacks with reason XmCR_APPLY. If XmNmustMatch is True and the selection text does not match an item in the file list, calls the XmNnoMatchCallback callbacks with reason XmCR_NO_MATCH. Otherwise, calls the XmNokCallback callbacks with reason XmCR_OK. Calls the XmNcancelCallback callbacks with rea- son XmCR_CANCEL. Calls the XmNhelpCallback callbacks with rea- son XmCR_HELP. If no button, list widget, or text widget has the keyboard focus: If XmNmustMatch is True and the selection text does not match an item in the file list, calls the XmNno- MatchCallback callbacks with reason XmCR_NO_MATCH. Otherwise, calls the XmNokCallback callbacks with reason XmCR_OK. Virtual Bindings The bindings for virtual keys are vendor specific. For information about bindings for virtual buttons and keys, see VirtualBindings(3X). SEE ALSO Composite(3X), Constraint(3X), Core(3X), XmBulletinBoard(3X), XmCreate- FileSelectionBox(3X), XmCreateFileSelectionDialog(3X), XmFileSelection- BoxGetChild(3X), XmFileSelectionDoSearch(3X), XmManager(3X), XmSelec- tionBox(3X) XmFileSelectionBox(3X)