sync code with last improvements from OpenBSD
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lib/libXaw/include/X11/Xaw/TextSink.h
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lib/libXaw/include/X11/Xaw/TextSink.h
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/***********************************************************
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Copyright 1987, 1988, 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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Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifndef _XawTextSink_h
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#define _XawTextSink_h
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#include <X11/Xaw/Text.h>
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/***********************************************************************
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*
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* TextSink Object
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*
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***********************************************************************/
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/* Resources:
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Name Class RepType Default Value
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---- ----- ------- -------------
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font Font XFontStruct * XtDefaultFont
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foreground Foreground Pixel XtDefaultForeground
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background Background Pixel XtDefaultBackground
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cursorColor Color Pixel XtDefaultForeground
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*/
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/* Class record constants */
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extern WidgetClass textSinkObjectClass;
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typedef struct _TextSinkClassRec *TextSinkObjectClass;
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typedef struct _TextSinkRec *TextSinkObject;
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typedef enum {XawisOn, XawisOff} XawTextInsertState;
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#ifndef OLDXAW
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#ifndef XtNcursorColor
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#define XtNcursorColor "cursorColor"
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#endif
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#define XawNtextProperties "textProperties"
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#define XawCTextProperties "TextProperties"
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#define XawRTextProperties "XawTextProperties"
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#endif
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/*
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* Public Functions
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*/
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_XFUNCPROTOBEGIN
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/*
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* Function:
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* XawTextSinkDisplayText
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*
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* Parameters:
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* w - the TextSink Object
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* x - location to start drawing text
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* y - ""
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* pos1 - location of starting and ending points in the text buffer
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* pos2 - ""
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* highlight - highlight this text?
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*
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* Description:
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* Stub function that in subclasses will display text.
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*
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* Note:
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* This function doesn't actually display anything, it is only a place
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* holder.
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*/
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void XawTextSinkDisplayText
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(
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Widget w,
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#if NeedWidePrototypes
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int x,
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int y,
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#else
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Position x,
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Position y,
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#endif
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XawTextPosition pos1,
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XawTextPosition pos2,
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#if NeedWidePrototypes
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int highlight
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#else
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Boolean highlight
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#endif
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);
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/*
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* Function:
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* XawTextSinkInsertCursor
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*
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* Parameters:
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* w - the TextSink Object.
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* x - location for the cursor.
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* y - ""
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* state - whether to turn the cursor on, or off
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*
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* Description:
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* Places the InsertCursor.
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*
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* Note:
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* This function doesn't actually display anything, it is only a place
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* holder.
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*/
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void XawTextSinkInsertCursor
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(
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Widget w,
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#if NeedWidePrototypes
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int x,
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int y,
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int state
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#else
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Position x,
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Position y,
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XawTextInsertState state
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#endif
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);
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/*
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* Function:
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* XawTextSinkClearToBackground
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*
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* Parameters:
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* w - TextSink Object
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* x - location of area to clear
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* y - ""
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* width - size of area to clear
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* height - ""
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*
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* Description:
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* Clears a region of the sink to the background color.
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*
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* Note:
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* This function doesn't actually display anything, it is only a place
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* holder.
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*/
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void XawTextSinkClearToBackground
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(
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Widget w,
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#if NeedWidePrototypes
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int x,
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int y,
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unsigned int width,
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unsigned int height
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#else
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Position x,
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Position y,
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Dimension width,
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Dimension height
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#endif
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);
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/*
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* Function:
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* XawTextSinkFindPosition
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*
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* Parameters:
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* w - TextSink Object
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* fromPos - reference position
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* fromX - reference location
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* width - width of section to paint text
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* stopAtWordBreak - returned position is a word break?
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* resPos - Position to return
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* resWidth - Width actually used
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* resHeight - Height actually used
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*
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* Description:
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* Finds a position in the text.
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*/
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void XawTextSinkFindPosition
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(
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Widget w,
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XawTextPosition fromPos,
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int fromX,
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int width,
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#if NeedWidePrototypes
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int stopAtWordBreak,
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#else
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Boolean stopAtWordBreak,
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#endif
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XawTextPosition* pos_return,
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int *width_return,
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int *height_return
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);
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/*
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* Function:
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* XawTextSinkFindDistance
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*
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* Parameters:
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* w - TextSink Object
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* fromPos - starting Position
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* fromX - x location of starting Position
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* toPos - end Position
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* resWidth - Distance between fromPos and toPos
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* resPos - Actual toPos used
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* resHeight - Height required by this text
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*
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* Description:
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* Find the Pixel Distance between two text Positions.
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*/
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void XawTextSinkFindDistance
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(
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Widget w,
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XawTextPosition fromPos,
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int fromX,
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XawTextPosition toPos,
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int *width_return,
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XawTextPosition *pos_return,
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int *height_return
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);
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/*
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* Function:
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* XawTextSinkResolve
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*
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* Parameters:
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* w - TextSink Object
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* pos - reference Position
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* fromx - reference Location
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* width - width to move
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* resPos - resulting position
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*
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* Description:
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* Resolves a location to a position.
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*/
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void XawTextSinkResolve
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(
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Widget w,
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XawTextPosition fromPos,
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int fromX,
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int width,
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XawTextPosition *pos_return
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);
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/*
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* Function:
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* XawTextSinkMaxLines
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*
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* Parameters:
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* w - TextSink Object
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* height - height to fit lines into
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*
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* Returns:
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* Number of lines that will fit
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*
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* Description:
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* Finds the Maximum number of lines that will fit in a given height.
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*/
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int XawTextSinkMaxLines
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(
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Widget w,
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#if NeedWidePrototypes
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unsigned int height
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#else
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Dimension height
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#endif
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);
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/*
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* Function:
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* XawTextSinkMaxHeight
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*
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* Parameters:
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* w - TextSink Object
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* lines - number of lines
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*
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* Returns:
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* Height
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*
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* Description:
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* Finds the Minimum height that will contain a given number lines.
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*/
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int XawTextSinkMaxHeight
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(
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Widget w,
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int lines
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);
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/*
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* Function:
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* XawTextSinkSetTabs
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*
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* Parameters:
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* w - TextSink Object
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* tab_count - number of tabs in the list
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* tabs - text positions of the tabs
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* Description:
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* Sets the Tab stops.
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*/
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void XawTextSinkSetTabs
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(
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Widget w,
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int tab_count,
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int *tabs
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);
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/*
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* Function:
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* XawTextSinkGetCursorBounds
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*
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* Parameters:
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* w - TextSink Object
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* rect - X rectance containing the cursor bounds
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* Description:
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* Finds the bounding box for the insert curor (caret).
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*/
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void XawTextSinkGetCursorBounds
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(
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Widget w,
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XRectangle *rect_return
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);
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_XFUNCPROTOEND
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#endif /* _XawTextSink_h */
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