235 lines
6.5 KiB
C
235 lines
6.5 KiB
C
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/*
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Copyright 1989, 1994, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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/* This is the List widget, it is useful to display a list, without the
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* overhead of having a widget for each item in the list. It allows
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* the user to select an item in a list and notifies the application through
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* a callback function.
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*
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* Created: 8/13/88
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* By: Chris D. Peterson
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* MIT X Consortium
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*/
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#ifndef _XawList_h
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#define _XawList_h
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#include <X11/Xaw/Simple.h>
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/* Resources:
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Name Class RepType Default Value
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---- ----- ------- -------------
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background Background Pixel XtDefaultBackground
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borderColor BorderColor Pixel XtDefaultForeground
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borderWidth BorderWidth Dimension 1
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callback Callback XtCallbackList NULL **6
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columnSpacing Spacing Dimension 6
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cursor Cursor Cursor left_ptr
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cursorName Cursor String NULL
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defaultColumns Columns int 2 **5
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destroyCallback Callback Pointer NULL
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font Font XFontStruct* XtDefaultFont
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forceColumns Columns Boolean False **5
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foreground Foreground Pixel XtDefaultForeground
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height Height Dimension 0 **1
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insensitiveBorder Insensitive Pixmap Gray
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internalHeight Height Dimension 2
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internalWidth Width Dimension 4
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list List String* NULL **2
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longest Longest int 0 **3 **4
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mappedWhenManaged MappedWhenManaged Boolean True
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numberStrings NumberStrings int 0 **4
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pasteBuffer Boolean Boolean False
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pointerColor Foreground Pixel XtDefaultForeground
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pointerColorBackground Background Pixel XtDefaultBackground
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rowSpacing Spacing Dimension 4
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sensitive Sensitive Boolean True
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verticalList Boolean Boolean False
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width Width Dimension 0 **1
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x Position Position 0
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y Position Position 0
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**1 - If the Width or Height of the list widget is zero (0) then the value
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is set to the minimum size necessay to fit the entire list.
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If both Width and Height are zero then they are adjusted to fit the
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entire list that is created width the number of default columns
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specified in the defaultColumns resource.
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**2 - This is an array of strings the specify elements of the list.
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This resource must be specified.
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(What good is a list widget without a list?? :-)
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**3 - Longest is the length of the widest string in pixels.
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**4 - If either of these values are zero (0) then the list widget calculates
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the correct value.
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(This allows you to make startup faster if you already have
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this information calculated)
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NOTE: If the numberStrings value is zero the list must
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be NULL terminated.
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**5 - By setting the List.Columns resource you can force the application to
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have a given number of columns.
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**6 - This returns the name and index of the item selected in an
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XawListReturnStruct that is pointed to by the client_data
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in the CallbackProc.
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*/
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/*
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* Value returned when there are no highlighted objects
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*/
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#define XAW_LIST_NONE -1
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#define XtCList "List"
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#define XtCSpacing "Spacing"
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#define XtCColumns "Columns"
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#define XtCLongest "Longest"
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#define XtCNumberStrings "NumberStrings"
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#define XtNcursor "cursor"
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#define XtNcolumnSpacing "columnSpacing"
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#define XtNdefaultColumns "defaultColumns"
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#define XtNforceColumns "forceColumns"
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#define XtNlist "list"
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#define XtNlongest "longest"
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#define XtNnumberStrings "numberStrings"
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#define XtNpasteBuffer "pasteBuffer"
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#define XtNrowSpacing "rowSpacing"
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#define XtNverticalList "verticalList"
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#define XtNshowCurrent "showCurrent"
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#ifndef XtNfontSet
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#define XtNfontSet "fontSet"
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#endif
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#ifndef XtCFontSet
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#define XtCFontSet "FontSet"
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#endif
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extern WidgetClass listWidgetClass;
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typedef struct _ListClassRec *ListWidgetClass;
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typedef struct _ListRec *ListWidget;
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/* list return structure */
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typedef struct _XawListReturnStruct {
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String string;
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int list_index;
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} XawListReturnStruct;
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_XFUNCPROTOBEGIN
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/*
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* Function:
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* XawListChange
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*
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* Parameters:
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* w - list widget
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* list - new list
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* nitems - number of items in the list
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* longest - length (in Pixels) of the longest element in the list
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* resize - if True the the list widget will try to resize itself
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*
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* Description:
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* Changes the list being used and shown.
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*
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* Note:
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* If nitems of longest are <= 0 then they will be caluculated
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* If nitems is <= 0 then the list needs to be NULL terminated
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*/
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void XawListChange
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(
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Widget w,
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String *list,
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int nitems,
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int longest,
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#if NeedWidePrototypes
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int resize
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#else
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Boolean resize
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#endif
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);
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/*
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* Function:
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* XawListUnhighlight
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*
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* Parameters:
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* w - list widget
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*
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* Description:
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* Unlights the current highlighted element.
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*/
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void XawListUnhighlight
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(
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Widget w
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);
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/*
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* Function:
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* XawListHighlight
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*
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* Parameters:
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* w - list widget
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* item - item to highlight
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*
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* Description:
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* Highlights the given item.
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*/
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void XawListHighlight
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(
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Widget w,
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int item
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);
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/*
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* Function:
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* XawListShowCurrent
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*
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* Paraneters:
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* w - list widget
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*
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* Description:
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* Returns the currently highlighted object.
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*
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* Returns:
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* The info about the currently highlighted object
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*/
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XawListReturnStruct *XawListShowCurrent
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(
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Widget w
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);
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_XFUNCPROTOEND
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#endif /* _XawList_h */
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