Added libXaw

1 files changed, 1829 insertions, 0 deletions

diff --git a/libXaw/src/TextSink.c b/libXaw/src/TextSink.c
new file mode 100644
index 000000000..75f952fff
--- /dev/null
+++ b/libXaw/src/TextSink.c
@@ -0,0 +1,1829 @@
+/* $Xorg: TextSink.c,v 1.4 2001/02/09 02:03:46 xorgcvs Exp $ */
+/*
+
+Copyright 1989, 1994, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+/* $XFree86: xc/lib/Xaw/TextSink.c,v 1.21 2002/06/03 21:39:24 paulo Exp $ */
+
+/*
+ * Author:  Chris Peterson, MIT X Consortium.
+ *
+ * Much code taken from X11R3 AsciiSink.
+ */
+
+/*
+ * TextSink.c - TextSink object. (For use with the text widget).
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <X11/IntrinsicP.h>
+#include <X11/StringDefs.h>
+#include <X11/Xaw/TextP.h>
+#include <X11/Xaw/TextSinkP.h>
+#include <X11/Xaw/XawInit.h>
+#include "Private.h"
+
+/*
+ * Prototypes
+ */
+static void XawTextSinkClassPartInitialize(WidgetClass);
+static void XawTextSinkInitialize(Widget, Widget, ArgList, Cardinal*);
+static void XawTextSinkDestroy(Widget);
+static Boolean XawTextSinkSetValues(Widget, Widget, Widget,
+				    ArgList, Cardinal*);
+
+static int  MaxLines(Widget, unsigned int);
+static int  MaxHeight(Widget, int);
+static void DisplayText(Widget, int, int, XawTextPosition, XawTextPosition,
+			Bool);
+static void InsertCursor(Widget, int, int, XawTextInsertState);
+static void ClearToBackground(Widget, int, int, unsigned int, unsigned int);
+static void FindPosition(Widget, XawTextPosition, int, int, Bool,
+			 XawTextPosition*, int*, int*);
+static void FindDistance(Widget, XawTextPosition, int, XawTextPosition, int*,
+			 XawTextPosition*, int*);
+static void Resolve(Widget, XawTextPosition, int, int, XawTextPosition*);
+static void SetTabs(Widget, int, short*);
+static void GetCursorBounds(Widget, XRectangle*);
+
+#ifndef OLDXAW
+static Boolean CvtStringToPropertyList(Display*, XrmValue*, Cardinal*,
+				       XrmValue*, XrmValue*, XtPointer*);
+static Boolean CvtPropertyListToString(Display*, XrmValue*, Cardinal*,
+				       XrmValue*, XrmValue*, XtPointer*);
+static Bool BeginPaint(Widget);
+static Bool EndPaint(Widget);
+static void SetXlfdDefaults(Display*, XawTextProperty*);
+#endif
+
+/*
+ * External
+ */
+void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned);
+void _XawTextSinkDisplayText(Widget, int, int, XawTextPosition, XawTextPosition,
+			     Bool);
+
+/*
+ * Initialization
+ */
+#define offset(field) XtOffsetOf(TextSinkRec, text_sink.field)
+static XtResource resources[] = {
+  {
+    XtNforeground,
+    XtCForeground,
+    XtRPixel,
+    sizeof(Pixel),
+    offset(foreground),
+    XtRString,
+    XtDefaultForeground
+  },
+  {
+    XtNbackground,
+    XtCBackground,
+    XtRPixel,
+    sizeof(Pixel),
+    offset(background),
+    XtRString,
+    XtDefaultBackground
+  },
+#ifndef OLDXAW
+  {
+    XtNcursorColor,
+    XtCColor,
+    XtRPixel,
+    sizeof(Pixel),
+    offset(cursor_color),
+    XtRString,
+    XtDefaultForeground
+  },
+  {
+    XawNtextProperties,
+    XawCTextProperties,
+    XawRTextProperties,
+    sizeof(XawTextPropertyList*),
+    offset(properties),
+    XtRImmediate,
+    NULL
+  },
+#endif
+};
+#undef offset
+
+#ifndef OLDXAW
+static TextSinkExtRec extension_rec = {
+    NULL,				/* next_extension */
+    NULLQUARK,				/* record_type */
+    1,					/* version */
+    sizeof(TextSinkExtRec),		/* record_size */
+    BeginPaint,
+    NULL,
+    NULL,
+    EndPaint
+};
+
+static XrmQuark Qdefault;
+#endif
+
+#define Superclass	(&objectClassRec)
+TextSinkClassRec textSinkClassRec = {
+  /* object */
+  {
+    (WidgetClass)Superclass,		/* superclass */
+    "TextSink",				/* class_name */
+    sizeof(TextSinkRec),		/* widget_size */
+    XawInitializeWidgetSet,		/* class_initialize */
+    XawTextSinkClassPartInitialize,	/* class_part_initialize */
+    False,				/* class_inited */
+    XawTextSinkInitialize,		/* initialize */
+    NULL,				/* initialize_hook */
+    NULL,				/* obj1 */
+    NULL,				/* obj2 */
+    0,					/* obj3 */
+    resources,				/* resources */
+    XtNumber(resources),		/* num_resources */
+    NULLQUARK,				/* xrm_class */
+    False,				/* obj4 */
+    False,				/* obj5 */
+    False,				/* obj6 */
+    False,				/* obj7 */
+    XawTextSinkDestroy,			/* destroy */
+    NULL,				/* obj8 */
+    NULL,				/* obj9 */
+    XawTextSinkSetValues,		/* set_values */
+    NULL,				/* set_values_hook */
+    NULL,				/* obj10 */
+    NULL,				/* get_values_hook */
+    NULL,				/* obj11 */
+    XtVersion,				/* version */
+    NULL,				/* callback_private */
+    NULL,				/* obj12 */
+    NULL,				/* obj13 */
+    NULL,				/* obj14 */
+    NULL,				/* extension */
+  },
+  /* text_sink */
+  {
+    DisplayText,			/* DisplayText */
+    InsertCursor,			/* InsertCursor */
+    ClearToBackground,			/* ClearToBackground */
+    FindPosition,			/* FindPosition */
+    FindDistance,			/* FindDistance */
+    Resolve,				/* Resolve */
+    MaxLines,				/* MaxLines */
+    MaxHeight,				/* MaxHeight */
+    SetTabs,				/* SetTabs */
+    GetCursorBounds,			/* GetCursorBounds */
+  },
+};
+
+WidgetClass textSinkObjectClass = (WidgetClass)&textSinkClassRec;
+
+/*
+ * Implementation
+ */
+static void
+XawTextSinkClassPartInitialize(WidgetClass wc)
+{
+    TextSinkObjectClass t_src, superC;
+#ifndef OLDXAW
+    static XtConvertArgRec CvtArgs[] = {
+      {XtWidgetBaseOffset, (XtPointer)XtOffsetOf(WidgetRec, core.self),
+       sizeof(Widget)},
+    };
+#endif
+
+    t_src = (TextSinkObjectClass) wc;
+    superC = (TextSinkObjectClass) t_src->object_class.superclass;
+
+#ifndef OLDXAW
+    extension_rec.record_type = XrmPermStringToQuark("TextSink");
+    extension_rec.next_extension = (XtPointer)t_src->text_sink_class.extension;
+    t_src->text_sink_class.extension = &extension_rec;
+
+    Qdefault = XrmPermStringToQuark("default");
+#endif
+
+    /* 
+     * We don't need to check for null super since we'll get to TextSink
+     * eventually.
+     */
+    if (t_src->text_sink_class.DisplayText == XtInheritDisplayText)
+	t_src->text_sink_class.DisplayText =
+	    superC->text_sink_class.DisplayText;
+
+    if (t_src->text_sink_class.InsertCursor == XtInheritInsertCursor)
+	t_src->text_sink_class.InsertCursor =
+	    superC->text_sink_class.InsertCursor;
+
+    if (t_src->text_sink_class.ClearToBackground== XtInheritClearToBackground)
+	t_src->text_sink_class.ClearToBackground =
+	    superC->text_sink_class.ClearToBackground;
+
+    if (t_src->text_sink_class.FindPosition == XtInheritFindPosition)
+	t_src->text_sink_class.FindPosition =
+	    superC->text_sink_class.FindPosition;
+
+    if (t_src->text_sink_class.FindDistance == XtInheritFindDistance)
+	t_src->text_sink_class.FindDistance =
+	    superC->text_sink_class.FindDistance;
+
+    if (t_src->text_sink_class.Resolve == XtInheritResolve)
+	t_src->text_sink_class.Resolve =
+	    superC->text_sink_class.Resolve;
+
+    if (t_src->text_sink_class.MaxLines == XtInheritMaxLines)
+	t_src->text_sink_class.MaxLines =
+	    superC->text_sink_class.MaxLines;
+
+    if (t_src->text_sink_class.MaxHeight == XtInheritMaxHeight)
+	t_src->text_sink_class.MaxHeight =
+	    superC->text_sink_class.MaxHeight;
+
+    if (t_src->text_sink_class.SetTabs == XtInheritSetTabs)
+	t_src->text_sink_class.SetTabs =
+	    superC->text_sink_class.SetTabs;
+
+    if (t_src->text_sink_class.GetCursorBounds == XtInheritGetCursorBounds)
+	t_src->text_sink_class.GetCursorBounds =
+	    superC->text_sink_class.GetCursorBounds;
+
+#ifndef OLDXAW
+    XtSetTypeConverter(XtRString, XawRTextProperties, CvtStringToPropertyList,
+		       &CvtArgs[0], XtNumber(CvtArgs), XtCacheNone, NULL);
+    XtSetTypeConverter(XawRTextProperties, XtRString, CvtPropertyListToString,
+		       NULL, 0, XtCacheNone, NULL);
+#endif
+}
+
+/*
+ * Function:
+ *	XawTextSinkInitialize
+ *
+ * Parameters:
+ *	request - requested and new values for the object instance
+ *	cnew	- ""
+ *
+ * Description:
+ *	Initializes the TextSink Object.
+ */
+/*ARGSUSED*/
+static void
+XawTextSinkInitialize(Widget request, Widget cnew,
+		      ArgList args, Cardinal *num_args)
+{
+    TextSinkObject sink = (TextSinkObject)cnew;
+
+    sink->text_sink.tab_count = 0; /* Initialize the tab stops. */
+    sink->text_sink.tabs = NULL;
+    sink->text_sink.char_tabs = NULL;
+#ifndef OLDXAW
+    sink->text_sink.paint = NULL;
+#endif
+}
+
+/*
+ * Function:
+ *	XawTextSinkDestroy
+ *
+ * Parameters:
+ *	w - TextSink Object
+ *
+ * Description:
+ *	This function cleans up when the object is destroyed.
+ */
+static void
+XawTextSinkDestroy(Widget w)
+{
+    TextSinkObject sink = (TextSinkObject) w;
+
+    XtFree((char *)sink->text_sink.tabs);
+    XtFree((char *)sink->text_sink.char_tabs);
+}
+
+/*
+ * Function:
+ *	XawTextSinkSetValues
+ *
+ * Parameters:
+ *	current - current state of the object
+ *	request - what was requested
+ *	cnew	- what the object will become
+ *
+ * Description:
+ *	Sets the values for the TextSink.
+ *
+ * Returns:
+ *	True if redisplay is needed
+ */
+/*ARGSUSED*/
+static Boolean
+XawTextSinkSetValues(Widget current, Widget request, Widget cnew,
+		     ArgList args, Cardinal *num_args)
+{
+    TextSinkObject w = (TextSinkObject)cnew;
+    TextSinkObject old_w = (TextSinkObject)current;
+
+    if (w->text_sink.foreground != old_w->text_sink.foreground)
+	((TextWidget)XtParent(cnew))->text.redisplay_needed = True;
+
+    return (False);
+}
+
+/*
+ * Function:
+ *	DisplayText
+ *
+ * Parameters:
+ *	w	  - TextSink Object
+ *	x	  - location to start drawing text
+ *	y	  - ""
+ *	pos1	  - location of starting and ending points in the text buffer
+ *	pos2	  - ""
+ *		 highlight - hightlight this text?
+ *
+ * Description:
+ *	Stub function that in subclasses will display text.
+ */
+/*ARGSUSED*/
+static void
+DisplayText(Widget w, int x, int y,
+	    XawTextPosition pos1, XawTextPosition pos2, Bool highlight)
+{
+    return;
+}
+
+/*
+ * Function:
+ *	InsertCursor
+ *
+ * Parameters:
+ *	w     - TextSink Object
+ *	x     - location for the cursor
+ *	y     - ""
+ *	state - whether to turn the cursor on, or off
+ *
+ * Description:
+ *	Places the InsertCursor.
+ */
+/*ARGSUSED*/
+static void
+InsertCursor(Widget w, int x, int y, XawTextInsertState state)
+{
+    return;
+}
+
+/*
+ * Function:
+ *	ClearToBackground
+ *
+ * Parameters:
+ *	w      - TextSink Object
+ *	x      - location of area to clear
+ *	y      - ""
+ *	width  - size of area to clear
+ *	height - ""
+ *
+ * Description:
+ *	Clears a region of the sink to the background color.
+ */
+/*ARGSUSED*/
+static void
+ClearToBackground(Widget w, int x, int y,
+		  unsigned int width, unsigned int height)
+{
+    /* 
+     * Don't clear in height or width are zero
+     * XClearArea() has special semantic for these values
+     */
+    TextWidget xaw = (TextWidget)XtParent(w);
+    Position x1, y1, x2, y2;
+
+    x1 = XawMax(x, xaw->text.r_margin.left);
+    y1 = XawMax(y, xaw->text.r_margin.top);
+    x2 = XawMin(x + (int)width, (int)XtWidth(xaw) - xaw->text.r_margin.right);
+    y2 = XawMin(y + (int)height, (int)XtHeight(xaw) - xaw->text.r_margin.bottom);
+
+    x = x1;
+    y = y1;
+    width = XawMax(0, x2 - x1);
+    height = XawMax(0, y2 - y1);
+
+    if (height != 0 && width != 0)
+	XClearArea(XtDisplayOfObject(w), XtWindowOfObject(w),
+		   x, y, width, height, False);
+}
+
+/*
+ * Function:
+ *	FindPosition
+ *
+ * Parameters:
+ *	w		- TextSink Object
+ *	fromPos		- reference position
+ *	fromX		- reference location
+ *	width		- width of section to paint text
+ *	stopAtWordBreak - returned position is a word break?
+ *	resPos		- position found (return)
+ *	resWidth	- Width actually used (return)
+ *	resHeight	- Height actually used (return)
+ *
+ * Description:
+ *	Finds a position in the text.
+ */
+/*ARGSUSED*/
+static void
+FindPosition(Widget w, XawTextPosition fromPos, int fromx, int width,
+	     Bool stopAtWordBreak, XawTextPosition *resPos,
+	     int *resWidth, int *resHeight)
+{
+    *resPos = fromPos;
+    *resHeight = *resWidth = 0;
+}
+
+/*
+ * Function:
+ *	FindDistance
+ *
+ * Parameters:
+ *	w	  - TextSink Object
+ *	fromPos	  - starting Position
+ *	fromX	  - x location of starting Position
+ *	toPos	  - end Position
+ *	resWidth  - Distance between fromPos and toPos
+ *	resPos	  - Acutal toPos used
+ *	resHeight - Height required by this text
+ *
+ * Description:
+ *	Find the Pixel Distance between two text Positions.
+ */
+/*ARGSUSED*/
+static void
+FindDistance(Widget w, XawTextPosition fromPos, int fromx,
+	     XawTextPosition toPos, int *resWidth,
+	     XawTextPosition *resPos, int *resHeight)
+{
+    *resWidth = *resHeight = 0;
+    *resPos = fromPos;
+}
+
+/*
+ * Function:
+ *	Resolve
+ *
+ * Parameters:
+ *	w      - TextSink Object
+ *	pos    - reference Position
+ *	fromx  - reference Location
+ *	width  - width to move
+ *	resPos - resulting position
+ *
+ * Description:
+ *	Resloves a location to a position.
+ */
+/*ARGSUSED*/
+static void
+Resolve(Widget w, XawTextPosition pos, int fromx, int width,
+	XawTextPosition *resPos)
+{
+    *resPos = pos;
+}
+
+/*
+ * Function:
+ *	MaxLines
+ *
+ * Parameters:
+ *	w      - TextSink Object
+ *	height - height to fit lines into
+ *
+ * Description:
+ *	Finds the Maximum number of lines that will fit in a given height.
+ *
+ * Returns:
+ *	Number of lines that will fit
+ */
+/*ARGSUSED*/
+static int
+MaxLines(Widget w, unsigned int height)
+{
+    /*
+     * The fontset has gone down to descent Sink Widget, so
+     * the functions such MaxLines, SetTabs... are bound to the descent.
+     *
+     * by Li Yuhong, Jan. 15, 1991
+     */
+    return (0);
+}
+
+/*
+ * Function:
+ *	MaxHeight
+ *
+ * Parameters:
+ *	w     - TextSink Object
+ *	lines - number of lines
+ *
+ * Description:
+ *	Finds the Minium height that will contain a given number lines.
+ *
+ * Returns:
+ *	the height
+ */
+/*ARGSUSED*/
+static int
+MaxHeight(Widget w, int lines)
+{
+    return (0);
+}
+
+/*
+ * Function:
+ *	SetTabs
+ *
+ * Parameters:
+ *	w	  - TextSink Object
+ *	tab_count - the number of tabs in the list
+ *	tabs	  - text positions of the tabs
+ * Description:
+ *	Sets the Tab stops.
+ */
+/*ARGSUSED*/
+static void
+SetTabs(Widget w, int tab_count, short *tabs)
+{
+    return;
+}
+
+/*
+ * Function:
+ *	GetCursorBounds
+ *
+ * Parameters:
+ *	w - TextSinkObject.
+ *	rect - X rectangle containing the cursor bounds
+ *
+ * Description:
+ *	Finds the bounding box for the insert cursor (caret)
+ */
+/*ARGSUSED*/
+static void
+GetCursorBounds(Widget w, XRectangle *rect)
+{
+    rect->x = rect->y = rect->width = rect->height = 0;
+}
+
+/*
+ * Public Functions
+ */
+/*
+ * Function:
+ *	XawTextSinkDisplayText
+ *
+ * Parameters:
+ *	w	  - TextSink Object
+ *	x	  - location to start drawing text
+ *	y	  - ""
+ *	pos1	  - location of starting and ending points in the text buffer
+ *	pos2	  - ""
+ *	highlight - hightlight this text?
+ */
+/*ARGSUSED*/
+void
+XawTextSinkDisplayText(Widget w,
+#if NeedWidePrototypes
+		       int x, int y,
+#else
+		       Position x, Position y,
+#endif
+		       XawTextPosition pos1, XawTextPosition pos2,
+#if NeedWidePrototypes
+		       int highlight
+#else
+		       Boolean highlight
+#endif
+)
+{
+    _XawTextSinkDisplayText(w, x, y, pos1, pos2, highlight);
+}
+
+void
+_XawTextSinkDisplayText(Widget w, int x, int y,
+			XawTextPosition pos1, XawTextPosition pos2,
+			Bool highlight)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    (*cclass->text_sink_class.DisplayText)(w, x, y, pos1, pos2, highlight);
+}
+
+/*
+ * Function:
+ *	XawTextSinkInsertCursor
+ *
+ * Parameters:
+ *	w     - TextSink Object
+ *	x     - location for the cursor
+ *	y     - ""
+ *	state - whether to turn the cursor on, or off
+ *
+ * Description:
+ *	Places the InsertCursor.
+ */
+/*ARGSUSED*/
+void
+#if NeedWidePrototypes
+XawTextSinkInsertCursor(Widget w, int x, int y, int state)
+#else
+XawTextSinkInsertCursor(Widget w, Position x, Position y, XawTextInsertState state)
+#endif
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    (*cclass->text_sink_class.InsertCursor)(w, x, y, state);
+}
+
+/*
+ * Function:
+ *	XawTextSinkClearToBackground
+ *
+ * Parameters:
+ *	w      - TextSink Object
+ *	x      - location of area to clear
+ *	y      - ""
+ *	width  - size of area to clear
+ *	height - ""
+ *
+ * Description:
+ *	Clears a region of the sink to the background color.
+ */
+/*ARGSUSED*/
+void
+XawTextSinkClearToBackground(Widget w,
+#if NeedWidePrototypes
+			     int x, int y,
+			     unsigned int width, unsigned int height
+#else
+			     Position x, Position y,
+			     Dimension width, Dimension height
+#endif
+)
+{
+    _XawTextSinkClearToBackground(w, x, y, width, height);
+}
+
+void
+_XawTextSinkClearToBackground(Widget w,
+			      int x, int y,
+			      unsigned int width, unsigned int height)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    (*cclass->text_sink_class.ClearToBackground)(w, x, y, width, height);
+}
+
+/*
+ * Function:
+ *	XawTextSinkFindPosition
+ *
+ *  Parameters:
+ *	w		- TextSink Object
+ *	fromPos		- reference position
+ *	fromX		- reference location
+ *	width		- width of section to paint text
+ *	stopAtWordBreak - returned position is a word break?
+ *	resPos		- position found (return)
+ *	resWidth	- Width actually used (return)
+ *	resHeight	- Height actually used (return)
+ *
+ * Description:
+ *	Finds a position in the text.
+ */
+/*ARGSUSED*/
+void
+XawTextSinkFindPosition(Widget w, XawTextPosition fromPos, int fromx, int width,
+#if NeedWidePrototypes
+			int stopAtWordBreak,
+#else
+			Boolean stopAtWordBreak,
+#endif
+			XawTextPosition *resPos, int *resWidth, int *resHeight)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    (*cclass->text_sink_class.FindPosition)(w, fromPos, fromx, width,
+					    stopAtWordBreak, 
+					    resPos, resWidth, resHeight);
+}
+
+/*
+ * Function:
+ *	XawTextSinkFindDistance
+ *
+ *  Parameters:
+ *	w	  - TextSink Object
+ *	fromPos	  - starting Position
+ *	fromX	  - x location of starting Position
+ *	toPos	  - end Position
+ *	resWidth  - Distance between fromPos and toPos
+ *	resPos	  - Acutal toPos used
+ *	resHeight - Height required by this text
+ *
+ * Description:
+ *	Find the Pixel Distance between two text Positions.
+ */
+/*ARGSUSED*/
+void
+XawTextSinkFindDistance(Widget w, XawTextPosition fromPos, int fromx,
+			XawTextPosition toPos, int *resWidth, 
+			XawTextPosition *resPos, int *resHeight)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    (*cclass->text_sink_class.FindDistance)(w, fromPos, fromx, toPos,
+					    resWidth, resPos, resHeight);
+}
+
+/*
+ * Function:
+ *	XawTextSinkResolve
+ *
+ *  Parameters:
+ *	w      - TextSink Object
+ *	pos    - reference Position
+ *	fromx  - reference Location
+ *	width  - width to move
+ *	resPos - resulting position
+ *
+ * Description:
+ *	Resloves a location to a position.
+ */
+/*ARGSUSED*/
+void
+XawTextSinkResolve(Widget w, XawTextPosition pos, int fromx, int width,
+		   XawTextPosition *resPos)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass) w->core.widget_class;
+
+    (*cclass->text_sink_class.Resolve)(w, pos, fromx, width, resPos);
+}
+
+/*
+ * Function:
+ *	XawTextSinkMaxLines
+ *
+ *  Parameters:
+ *	w      - TextSink Object
+ *	height - height to fit lines into
+ *
+ * Description:
+ *	Finds the Maximum number of lines that will fit in a given height.
+ *
+ * Returns:
+ *	Number of lines that will fit
+ */
+/*ARGSUSED*/
+int
+#if NeedWidePrototypes
+XawTextSinkMaxLines(Widget w, unsigned int height)
+#else
+XawTextSinkMaxLines(Widget w, Dimension height)
+#endif
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    return((*cclass->text_sink_class.MaxLines)(w, height));
+}
+
+/*
+ * Function:
+ *	XawTextSinkMaxHeight
+ *
+ *  Parameters:
+ *	w     - TextSink Object
+ *	lines - number of lines
+ *
+ * Description:
+ *	Finds the Minium height that will contain a given number lines.
+ *
+ * Returns:
+ *	the height
+ */
+/*ARGSUSED*/
+int
+XawTextSinkMaxHeight(Widget w, int lines)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    return((*cclass->text_sink_class.MaxHeight)(w, lines));
+}
+
+/*
+ * Function:
+ *	XawTextSinkSetTabs
+ *
+ *  Parameters:
+ *	w	  - TextSink Object
+ *	tab_count - the number of tabs in the list
+ *	tabs	  - text positions of the tabs
+ * Description:
+ *	Sets the Tab stops.
+ */
+void
+XawTextSinkSetTabs(Widget w, int tab_count, int *tabs)
+{
+    if (tab_count > 0) {
+	TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+	short *char_tabs = (short*)XtMalloc((unsigned)tab_count * sizeof(short));
+	short *tab, len = 0;
+	int i;
+
+	for (i = tab_count, tab = char_tabs; i; i--) {
+	    if ((short)*tabs > len)
+		*tab++ = (len = (short)*tabs++);
+	    else {
+		tabs++;
+		--tab_count;
+	    }
+	}
+
+	if (tab_count > 0)
+	    (*cclass->text_sink_class.SetTabs)(w, tab_count, char_tabs);
+	XtFree((char *)char_tabs);
+    }
+}
+
+/*
+ * Function:
+ *	XawTextSinkGetCursorBounds
+ *
+ * Parameters:
+ *	w    - TextSinkObject
+ *	rect - X rectance containing the cursor bounds
+ *
+ * Description:
+ *	Finds the bounding box for the insert cursor (caret).
+ */
+/*ARGSUSED*/
+void
+XawTextSinkGetCursorBounds(Widget w, XRectangle *rect)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    (*cclass->text_sink_class.GetCursorBounds)(w, rect);
+}
+
+#ifndef OLDXAW
+Bool
+XawTextSinkBeginPaint(Widget w)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    if (cclass->text_sink_class.extension->BeginPaint == NULL ||
+	cclass->text_sink_class.extension->PreparePaint == NULL ||
+	cclass->text_sink_class.extension->DoPaint == NULL ||
+	cclass->text_sink_class.extension->EndPaint == NULL)
+	return (False);
+
+    return ((*cclass->text_sink_class.extension->BeginPaint)(w));
+}
+
+static Bool
+BeginPaint(Widget w)
+{
+    TextSinkObject sink = (TextSinkObject)w;
+
+    if (sink->text_sink.paint != NULL)
+	return (False);
+
+    sink->text_sink.paint = XtNew(XawTextPaintList);
+    sink->text_sink.paint->clip = XmuCreateArea();
+    sink->text_sink.paint->hightabs = NULL;
+    sink->text_sink.paint->paint = NULL;
+    sink->text_sink.paint->bearings = NULL;
+
+    return (True);
+}
+
+void
+XawTextSinkPreparePaint(Widget w, int y, int line, XawTextPosition from,
+			XawTextPosition to, Bool highlight)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    (*cclass->text_sink_class.extension->PreparePaint)
+	(w, y, line, from, to, highlight);
+}
+
+#if 0
+/*ARGSUSED*/
+static void
+PreparePaint(Widget w, int y, int line, XawTextPosition from, XawTextPosition to,
+	     Bool highlight)
+{
+}
+#endif
+
+void
+XawTextSinkDoPaint(Widget w)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    (*cclass->text_sink_class.extension->DoPaint)(w);
+}
+
+#if 0
+/*ARGSUSED*/
+static void
+DoPaint(Widget w)
+{
+}
+#endif
+
+Bool
+XawTextSinkEndPaint(Widget w)
+{
+    TextSinkObjectClass cclass = (TextSinkObjectClass)w->core.widget_class;
+
+    return ((*cclass->text_sink_class.extension->EndPaint)(w));
+}
+
+static Bool
+EndPaint(Widget w)
+{
+    TextSinkObject sink = (TextSinkObject)w;
+    XawTextPaintStruct *paint, *next;
+
+    if (sink->text_sink.paint == NULL)
+	return (False);
+
+    XmuDestroyArea(sink->text_sink.paint->clip);
+    if (sink->text_sink.paint->hightabs)
+	XmuDestroyArea(sink->text_sink.paint->hightabs);
+    paint = sink->text_sink.paint->paint;
+    while (paint) {
+	next = paint->next;
+	if (paint->text)
+	    XtFree((XtPointer)paint->text);
+	if (paint->backtabs)
+	    XmuDestroyArea(paint->backtabs);
+	XtFree((XtPointer)paint);
+	paint = next;
+    }
+
+    paint = sink->text_sink.paint->bearings;
+    while (paint) {
+	next = paint->next;
+	if (paint->text)
+	    XtFree((XtPointer)paint->text);
+	XtFree((XtPointer)paint);
+	paint = next;
+    }
+
+    XtFree((XtPointer)sink->text_sink.paint);
+    sink->text_sink.paint = NULL;
+    return (True);
+}
+
+static XawTextPropertyList **prop_lists;
+static Cardinal num_prop_lists;
+
+static int
+bcmp_qident(_Xconst void *left, _Xconst void *right)
+{
+    return ((long)left - (*(XawTextProperty**)right)->identifier);
+}
+
+static int
+qcmp_qident(_Xconst void *left, _Xconst void *right)
+{
+    return ((*(XawTextProperty**)left)->identifier -
+	    (*(XawTextProperty**)right)->identifier);
+}
+
+static void
+SetXlfdDefaults(Display *display, XawTextProperty *property)
+{
+    Atom atom = XInternAtom(display, "FONT", True);
+    unsigned long value;
+    char *str;
+
+    if (XGetFontProperty(property->font, atom, &value)) {
+	char *xlfd = XGetAtomName(display, value);
+
+	if (xlfd) {
+	    char *sep = xlfd + 1;
+	    char *name = sep;
+
+	    property->xlfd = XrmStringToQuark(xlfd);
+
+	    sep = strchr(sep, '-');     *sep++ = '\0';
+	    property->foundry = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');	*sep++ = '\0';
+	    property->family = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');	*sep++ = '\0';
+	    property->weight = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');	*sep++ = '\0';
+	    property->slant = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');	*sep++ = '\0';
+	    property->setwidth = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');     *sep++ = '\0';
+	    property->addstyle = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');     *sep++ = '\0';
+	    property->pixel_size = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');     *sep++ = '\0';
+	    property->point_size = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');     *sep++ = '\0';
+	    property->res_x = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');     *sep++ = '\0';
+	    property->res_y = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');     *sep++ = '\0';
+	    property->spacing = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');     *sep++ = '\0';
+	    property->avgwidth = XrmStringToQuark(name);
+	    name = sep;
+
+	    sep = strchr(sep, '-');     *sep++ = '\0';
+	    property->registry = XrmStringToQuark(name);
+	    name = sep;
+
+	    property->encoding = XrmStringToQuark(name);
+
+	    XFree(xlfd);
+	}
+    }
+
+    atom = XInternAtom(display, "UNDERLINE_THICKNESS", True);
+    if (XGetFontProperty(property->font, atom, &value) &&
+	(str = XGetAtomName(display, value)) != NULL) {
+	property->underline_thickness = atoi(str);
+	XFree(str);
+    }
+    else {
+	/* XLFD says:
+	 * CapStemWidth = average width of the stems of capitals
+	 * if (UNDERLINE_THICKNESS undefined) then
+	 *   UNDERLINE_THICKNESS = CapStemWidth
+	 *
+	 * How do I know the value of CapStemWidth??
+	 */
+	if (property->pixel_size != NULLQUARK) {
+	    property->underline_thickness =
+		atoi(XrmQuarkToString(property->pixel_size)) / 10;
+	    property->underline_thickness =
+		XawMax(1, property->underline_thickness);
+	}
+	else
+	    property->underline_thickness = 1;
+    }
+
+    atom = XInternAtom(display, "UNDERLINE_POSITION", True);
+    if (XGetFontProperty(property->font, atom, &value) &&
+	(str = XGetAtomName(display, value)) != NULL) {
+	property->underline_position = atoi(str);
+	XFree(str);
+    }
+    else
+	/* XLFD says:
+	 * if (UNDERLINE_POSITION undefined) then
+	 *   UNDERLINE_POSITION = ROUND((maximum_descent) / 2)
+	 */
+	property->underline_position =
+	    property->font->max_bounds.descent >> 1;
+
+    /* I am assuming xlfd does not consider that lines are
+     * centered in the path */
+    property->underline_position += property->underline_thickness >> 1;
+
+}
+
+static void
+DestroyTextPropertyList(XawTextPropertyList *list)
+{
+    int i;
+
+    for (i = 0; i < list->num_properties; i++) {
+	if (list->properties[i]->font)
+	    XFreeFont(DisplayOfScreen(list->screen), list->properties[i]->font);
+	XtFree((char*)list->properties[i]);
+    }
+    if (list->properties)
+	XtFree((char*)list->properties);
+    XtFree((char*)list);
+}
+
+static XawTextProperty *
+_XawTextSinkGetProperty(XawTextPropertyList *list, XrmQuark property)
+{
+    if (property != NULLQUARK && list && list->properties) {
+	XawTextProperty **ptr = (XawTextProperty**)
+	    bsearch((void*)(long)property,
+		    list->properties, list->num_properties,
+		    sizeof(XawTextProperty*), bcmp_qident);
+
+	if (ptr)
+	    return (*ptr);
+    }
+
+    return (NULL);
+}
+
+XawTextProperty *
+XawTextSinkGetProperty(Widget w, XrmQuark property)
+{
+    TextSinkObject sink = (TextSinkObject)w;
+    XawTextPropertyList *list = sink->text_sink.properties;
+
+    return (_XawTextSinkGetProperty(list, property));
+}
+
+XawTextProperty *
+XawTextSinkCopyProperty(Widget w, XrmQuark property)
+{
+    XawTextProperty *cur, *ret;
+
+    if ((cur = XawTextSinkGetProperty(w, property)) == NULL)
+	cur = XawTextSinkGetProperty(w, Qdefault);
+    ret = (XawTextProperty*)XtCalloc(1, sizeof(XawTextProperty));
+    if (cur)
+	memcpy(ret, cur, sizeof(XawTextProperty));
+    ret->identifier = NULLQUARK;
+    ret->mask &= ~XAW_TPROP_FONT;
+
+    return (ret);
+}
+
+static XawTextProperty *
+_XawTextSinkAddProperty(XawTextPropertyList *list, XawTextProperty *property,
+			Bool replace)
+{
+    XawTextProperty *result;
+    XColor color;
+    char identifier[1024];
+    char foreground[16];
+    char background[16];
+    char *foundry, *family, *weight, *slant, *setwidth, *addstyle, *pixel_size,
+	 *point_size, *res_x, *res_y, *spacing, *avgwidth, *registry, *encoding;
+    char *xlfd;
+    static char *asterisk = "*", *null = "";
+    XrmQuark quark;
+
+    if (list == NULL || property == NULL)
+	return (NULL);
+
+    if (property->mask & XAW_TPROP_FOREGROUND) {
+	color.pixel = property->foreground;
+	XQueryColor(DisplayOfScreen(list->screen), list->colormap, &color);
+	XmuSnprintf(foreground, sizeof(foreground), "%04x%04x%04x",
+		    color.red, color.green, color.blue);
+    }
+    else
+	strcpy(foreground, asterisk);
+    if (property->mask & XAW_TPROP_BACKGROUND) {
+	color.pixel = property->background;
+	XQueryColor(DisplayOfScreen(list->screen), list->colormap, &color);
+	XmuSnprintf(background, sizeof(background), "%04x%04x%04x",
+		    color.red, color.green, color.blue);
+    }
+    else
+	strcpy(background, asterisk);
+
+    if (property->xlfd_mask & XAW_TPROP_FOUNDRY)
+	foundry = XrmQuarkToString(property->foundry);
+    else
+	foundry = asterisk;
+
+    /* use default, or what was requested */
+    if (property->family != NULLQUARK)
+	family = XrmQuarkToString(property->family);
+    else
+	family = asterisk;
+    if (property->weight != NULLQUARK)
+	weight = XrmQuarkToString(property->weight);
+    else
+	weight = asterisk;
+    if (property->slant != NULLQUARK) {
+	slant = XrmQuarkToString(property->slant);
+	if (toupper(*slant) != 'R')
+	    slant = asterisk;	/* X defaults to italics, so, don't
+				   care in resolving between `I' and `O' */
+    }
+    else
+	slant = asterisk;
+
+    if (property->xlfd_mask & XAW_TPROP_SETWIDTH)
+	setwidth = XrmQuarkToString(property->setwidth);
+    else
+	setwidth = asterisk;
+    if (property->xlfd_mask & XAW_TPROP_ADDSTYLE)
+	addstyle = XrmQuarkToString(property->addstyle);
+    else
+	addstyle = null;
+
+    /* use default, or what was requested */
+    if (!(property->mask & XAW_TPROP_POINTSIZE) &&
+	property->pixel_size != NULLQUARK)
+	pixel_size = XrmQuarkToString(property->pixel_size);
+    else
+	pixel_size = asterisk;
+
+    if (property->xlfd_mask & XAW_TPROP_POINTSIZE)
+	point_size = XrmQuarkToString(property->point_size);
+    else
+	point_size = asterisk;
+    if (property->xlfd_mask & XAW_TPROP_RESX)
+	res_x = XrmQuarkToString(property->res_x);
+    else
+	res_x = asterisk;
+    if (property->xlfd_mask & XAW_TPROP_RESY)
+	res_y = XrmQuarkToString(property->res_y);
+    else
+	res_y = asterisk;
+    if (property->xlfd_mask & XAW_TPROP_SPACING)
+	spacing = XrmQuarkToString(property->spacing);
+    else
+	spacing = asterisk;
+    if (property->xlfd_mask & XAW_TPROP_AVGWIDTH)
+	avgwidth = XrmQuarkToString(property->avgwidth);
+    else
+	avgwidth = asterisk;
+
+    /* use default, or what that was requested */
+    if (property->registry != NULLQUARK)
+	registry = XrmQuarkToString(property->registry);
+    else
+	registry = asterisk;
+    if (property->encoding != NULLQUARK)
+	encoding = XrmQuarkToString(property->encoding);
+    else
+	encoding = asterisk;
+
+    if (replace) {
+	result = XtNew(XawTextProperty);
+	memcpy(result, property, sizeof(XawTextProperty));
+    }
+    else
+	result = property;
+
+    /* XXX should do the best to load a suitable font here */
+    if (!(result->mask & XAW_TPROP_FONT)) {
+	XmuSnprintf(identifier, sizeof(identifier),
+		    "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s",
+		    foundry, family, weight, slant, setwidth, addstyle, pixel_size,
+		    point_size, res_x, res_y, spacing, avgwidth, registry, encoding);
+	if ((result->font = XLoadQueryFont(DisplayOfScreen(list->screen),
+					   identifier)) != NULL) {
+	    result->mask |= XAW_TPROP_FONT;
+	    SetXlfdDefaults(DisplayOfScreen(list->screen), result);
+	}
+	else
+	    result->mask &= ~XAW_TPROP_FONT;
+    }
+
+    if (result->font)
+	xlfd = XrmQuarkToString(result->xlfd);
+    else
+	xlfd = null;
+
+    XmuSnprintf(identifier, sizeof(identifier), "%08lx%08lx%s%s%d%d%d%d%s",
+		property->mask, property->xlfd_mask,
+		foreground, background,
+		(result->mask & XAW_TPROP_UNDERLINE) != 0,
+		(result->mask & XAW_TPROP_OVERSTRIKE) != 0,
+		(result->mask & XAW_TPROP_SUBSCRIPT) != 0,
+		(result->mask & XAW_TPROP_SUPERSCRIPT) != 0,
+		xlfd);
+
+    quark = XrmStringToQuark(identifier);
+    if (result->identifier == NULLQUARK)
+	result->identifier = quark;
+    result->code = quark;
+
+    if ((property = _XawTextSinkGetProperty(list, result->identifier)) != NULL) {
+	if (result->font)
+	    XFreeFont(DisplayOfScreen(list->screen), result->font);
+	if (replace)
+	    XtFree((XtPointer)result);
+
+	return (property);
+    }
+
+    list->properties = (XawTextProperty**)
+	XtRealloc((XtPointer)list->properties, sizeof(XawTextProperty*) *
+		  (list->num_properties + 1));
+    list->properties[list->num_properties++] = result;
+    qsort((void*)list->properties, list->num_properties,
+	      sizeof(XawTextProperty*), qcmp_qident);
+
+    return (result);
+}
+
+XawTextProperty *
+XawTextSinkAddProperty(Widget w, XawTextProperty *property)
+{
+    TextSinkObject sink = (TextSinkObject)w;
+    XawTextPropertyList *list = sink->text_sink.properties;
+
+    return (_XawTextSinkAddProperty(list, property, True));
+}
+
+XawTextProperty *
+XawTextSinkCombineProperty(Widget w,
+			   XawTextProperty *property, XawTextProperty *combine,
+			   Bool override)
+{
+    if (property == NULL || combine == NULL)
+	return (property);
+
+    if ((override || !(property->mask & XAW_TPROP_FOREGROUND)) &&
+	(combine->mask & XAW_TPROP_FOREGROUND)) {
+	property->mask |= XAW_TPROP_FOREGROUND;
+	property->foreground = combine->foreground;
+    }
+    if ((override || !(property->mask & XAW_TPROP_BACKGROUND)) &&
+	(combine->mask & XAW_TPROP_BACKGROUND)) {
+	property->mask |= XAW_TPROP_BACKGROUND;
+	property->background = combine->background;
+    }
+    if ((override || !(property->mask & XAW_TPROP_FPIXMAP)) &&
+	(combine->mask & XAW_TPROP_FPIXMAP)) {
+	property->mask |= XAW_TPROP_FPIXMAP;
+	property->foreground_pixmap = combine->foreground_pixmap;
+    }
+    if ((override || !(property->mask & XAW_TPROP_BPIXMAP)) &&
+	(combine->mask & XAW_TPROP_BPIXMAP)) {
+	property->mask |= XAW_TPROP_BPIXMAP;
+	property->background_pixmap = combine->background_pixmap;
+    }
+    if (combine->mask & XAW_TPROP_UNDERLINE)
+	property->mask |= XAW_TPROP_UNDERLINE;
+    if (combine->mask & XAW_TPROP_OVERSTRIKE)
+	property->mask |= XAW_TPROP_OVERSTRIKE;
+    if ((override || !(property->mask & XAW_TPROP_SUPERSCRIPT)) &&
+	(combine->mask & XAW_TPROP_SUBSCRIPT))
+	property->mask |= XAW_TPROP_SUBSCRIPT;
+    if ((property->mask & XAW_TPROP_SUBSCRIPT) &&
+	(combine->mask & XAW_TPROP_SUPERSCRIPT))
+	property->mask |= XAW_TPROP_SUPERSCRIPT;
+    if ((override || !(property->xlfd_mask & XAW_TPROP_FOUNDRY)) &&
+	(combine->xlfd_mask & XAW_TPROP_FOUNDRY)) {
+	property->xlfd_mask |= XAW_TPROP_FOUNDRY;
+	property->foundry = combine->foundry;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_FAMILY)) &&
+	(combine->xlfd_mask & XAW_TPROP_FAMILY)) {
+	property->xlfd_mask |= XAW_TPROP_FAMILY;
+	property->family = combine->family;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_WEIGHT)) &&
+	(combine->xlfd_mask & XAW_TPROP_WEIGHT)) {
+	property->xlfd_mask |= XAW_TPROP_WEIGHT;
+	property->weight = combine->weight;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_SLANT)) &&
+	(combine->xlfd_mask & XAW_TPROP_SLANT)) {
+	property->xlfd_mask |= XAW_TPROP_SLANT;
+	property->slant = combine->slant;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_SETWIDTH)) &&
+	(combine->xlfd_mask & XAW_TPROP_SETWIDTH)) {
+	property->xlfd_mask |= XAW_TPROP_SETWIDTH;
+	property->setwidth = combine->setwidth;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_ADDSTYLE)) &&
+	(combine->xlfd_mask & XAW_TPROP_ADDSTYLE)) {
+	property->xlfd_mask |= XAW_TPROP_ADDSTYLE;
+	property->addstyle = combine->addstyle;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_PIXELSIZE)) &&
+	(combine->xlfd_mask & XAW_TPROP_PIXELSIZE)) {
+	property->xlfd_mask |= XAW_TPROP_PIXELSIZE;
+	property->pixel_size = combine->pixel_size;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_POINTSIZE)) &&
+	(combine->xlfd_mask & XAW_TPROP_POINTSIZE)) {
+	property->xlfd_mask |= XAW_TPROP_POINTSIZE;
+	property->point_size = combine->point_size;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_RESX)) &&
+	(combine->xlfd_mask & XAW_TPROP_RESX)) {
+	property->xlfd_mask |= XAW_TPROP_RESX;
+	property->res_x = combine->res_x;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_RESY)) &&
+	(combine->xlfd_mask & XAW_TPROP_RESY)) {
+	property->xlfd_mask |= XAW_TPROP_RESY;
+	property->res_y = combine->res_y;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_SPACING)) &&
+	(combine->xlfd_mask & XAW_TPROP_SPACING)) {
+	property->xlfd_mask |= XAW_TPROP_SPACING;
+	property->spacing = combine->spacing;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_AVGWIDTH)) &&
+	(combine->xlfd_mask & XAW_TPROP_AVGWIDTH)) {
+	property->xlfd_mask |= XAW_TPROP_AVGWIDTH;
+	property->avgwidth = combine->avgwidth;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_REGISTRY)) &&
+	(combine->xlfd_mask & XAW_TPROP_REGISTRY)) {
+	property->xlfd_mask |= XAW_TPROP_REGISTRY;
+	property->registry = combine->registry;
+    }
+    if ((override || !(property->xlfd_mask & XAW_TPROP_ENCODING)) &&
+	(combine->xlfd_mask & XAW_TPROP_ENCODING)) {
+	property->xlfd_mask |= XAW_TPROP_ENCODING;
+	property->encoding = combine->encoding;
+    }
+
+    return (property);
+}
+
+/*
+ * The default property must be defined first, if the code is willing to
+ * combine properties.
+ */
+XawTextPropertyList *
+XawTextSinkConvertPropertyList(String name, String spec, Screen *screen,
+			       Colormap colormap, int depth)
+{
+    XrmQuark qname = XrmStringToQuark(name);
+    XawTextPropertyList **ptr = NULL;
+    XawTextPropertyList *propl, *prev = NULL;
+    XawTextProperty *def_prop = NULL;
+    String str, tok, tmp;
+    char buffer[BUFSIZ];
+
+    if (prop_lists) ptr = (XawTextPropertyList**)
+	bsearch((void*)(long)qname, prop_lists, num_prop_lists,
+		sizeof(XawTextPropertyList*), bcmp_qident);
+    if (ptr) {
+	propl = *ptr;
+	while (propl) {
+	    prev = propl;
+	    if (propl->screen == screen &&
+		propl->colormap == colormap &&
+		propl->depth == depth)
+		return (propl);
+	    propl = propl->next;
+	}
+    }
+
+    propl = XtNew(XawTextPropertyList);
+    propl->identifier = qname;
+    propl->screen = screen;
+    propl->colormap = colormap;
+    propl->depth = depth;
+    propl->next = NULL;
+
+    if (prev)
+	prev->next = propl;
+
+    propl->properties = NULL;
+    propl->num_properties = 0;
+
+    str = XtNewString(spec);
+    for (tok = str; tok; tok = tmp) {
+	XawTextProperty *prop;
+	XawParams *params;
+	XrmQuark ident;
+	XawArgVal *argval;
+	XColor color, exact;
+
+	if (def_prop == NULL && propl->num_properties)
+	    def_prop = _XawTextSinkGetProperty(propl, Qdefault);
+	tmp = strchr(tok, ',');
+	if (tmp) {
+	    *tmp = '\0';
+	    if (*++tmp == '\0')
+		tmp = NULL;
+	}
+	params = XawParseParamsString(tok);
+	ident = XrmStringToQuark(params->name);
+	if (ident == NULLQUARK) {
+	    XmuSnprintf(buffer, sizeof(buffer),
+			"Bad text property name \"%s\".", params->name);
+	    XtAppWarning(XtDisplayToApplicationContext
+			 (DisplayOfScreen(screen)), buffer);
+	    DestroyTextPropertyList(propl);
+	    if (prev)
+		prev->next = NULL;
+	    XawFreeParamsStruct(params);
+	    return (NULL);
+	}
+	else if (_XawTextSinkGetProperty(propl, ident) != NULL) {
+	    XawFreeParamsStruct(params);
+	    continue;
+	}
+
+	prop = (XawTextProperty*)XtCalloc(1, sizeof(XawTextProperty));
+	prop->identifier = ident;
+
+	if ((argval = XawFindArgVal(params, "font")) != NULL &&
+	    argval->value) {
+
+	    if ((prop->font = XLoadQueryFont(DisplayOfScreen(screen),
+					     argval->value)) == NULL) {
+		XmuSnprintf(buffer, sizeof(buffer),
+			    "Cannot load font \"%s\".", argval->value);
+		XtAppWarning(XtDisplayToApplicationContext
+			     (DisplayOfScreen(screen)), buffer);
+		DestroyTextPropertyList(propl);
+		if (prev)
+		    prev->next = NULL;
+		XawFreeParamsStruct(params);
+		return (NULL);
+	    }
+	    prop->mask |= XAW_TPROP_FONT;
+	    SetXlfdDefaults(DisplayOfScreen(screen), prop);
+	}
+	/* fontset processing here */
+
+	if ((argval = XawFindArgVal(params, "foreground")) != NULL &&
+	    argval->value) {
+	    if (!XAllocNamedColor(DisplayOfScreen(screen), colormap,
+				  argval->value, &color, &exact)) {
+		XmuSnprintf(buffer, sizeof(buffer),
+			    "Cannot allocate color \"%s\".", argval->value);
+		XtAppWarning(XtDisplayToApplicationContext
+			     (DisplayOfScreen(screen)), buffer);
+		DestroyTextPropertyList(propl);
+		if (prev)
+		    prev->next = NULL;
+		XawFreeParamsStruct(params);
+		return (NULL);
+	    }
+	    prop->foreground = color.pixel;
+	    prop->mask |= XAW_TPROP_FOREGROUND;
+	}
+	if ((argval = XawFindArgVal(params, "background")) != NULL &&
+	    argval->value) {
+	    if (!XAllocNamedColor(DisplayOfScreen(screen), colormap,
+				  argval->value, &color, &exact)) {
+		XmuSnprintf(buffer, sizeof(buffer),
+			    "Cannot allocate color \"%s\".", argval->value);
+		XtAppWarning(XtDisplayToApplicationContext
+			     (DisplayOfScreen(screen)), buffer);
+		DestroyTextPropertyList(propl);
+		if (prev)
+		    prev->next = NULL;
+		XawFreeParamsStruct(params);
+		return (NULL);
+	    }
+	    prop->background = color.pixel;
+	    prop->mask |= XAW_TPROP_BACKGROUND;
+	}
+	/* foreground_pixmap and background_pixmap processing here */
+
+	if (XawFindArgVal(params, "underline"))
+	    prop->mask |= XAW_TPROP_UNDERLINE;
+	if (XawFindArgVal(params, "overstrike"))
+	    prop->mask |= XAW_TPROP_OVERSTRIKE;
+
+	if (XawFindArgVal(params, "subscript"))
+	    prop->mask |= XAW_TPROP_SUBSCRIPT;
+	else if (XawFindArgVal(params, "superscript"))
+	    prop->mask |= XAW_TPROP_SUPERSCRIPT;
+
+	/* xlfd */
+	if ((argval = XawFindArgVal(params, "foundry")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_FOUNDRY;
+	    prop->foundry = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "family")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_FAMILY;
+	    prop->family = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "weight")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_WEIGHT;
+	    prop->weight = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "slant")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_SLANT;
+	    prop->slant = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "setwidth")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_SETWIDTH;
+	    prop->setwidth = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "addstyle")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_ADDSTYLE;
+	    prop->addstyle = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "pixelsize")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_PIXELSIZE;
+	    prop->pixel_size = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "pointsize")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_POINTSIZE;
+	    prop->point_size = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "resx")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_RESX;
+	    prop->res_x = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "resy")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_RESY;
+	    prop->res_y = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "spacing")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_SPACING;
+	    prop->spacing = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "avgwidth")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_AVGWIDTH;
+	    prop->avgwidth = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "registry")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_REGISTRY;
+	    prop->registry = XrmStringToQuark(argval->value);
+	}
+	if ((argval = XawFindArgVal(params, "encoding")) != NULL &&
+	    argval->value) {
+	    prop->xlfd_mask |= XAW_TPROP_ENCODING;
+	    prop->encoding = XrmStringToQuark(argval->value);
+	}
+
+	if (def_prop)
+	    (void)XawTextSinkCombineProperty(NULL, prop, def_prop, False);
+	(void)_XawTextSinkAddProperty(propl, prop, False);
+
+	XawFreeParamsStruct(params);
+    }
+
+    prop_lists = (XawTextPropertyList**)
+    XtRealloc((XtPointer)prop_lists, sizeof(XawTextPropertyList*) *
+	      (num_prop_lists + 1));
+    prop_lists[num_prop_lists++] = propl;
+    qsort((void*)prop_lists, num_prop_lists, sizeof(XawTextPropertyList*),
+	  qcmp_qident);
+
+    XtFree(str);
+
+    return (propl);
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtStringToPropertyList(Display *dpy, XrmValue *args, Cardinal *num_args,
+			XrmValue *fromVal, XrmValue *toVal,
+			XtPointer *converter_data)
+{
+    XawTextPropertyList *propl = NULL;
+    String name;
+    Widget w;
+
+    if (*num_args != 1) {
+      XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+		      "wrongParameters", "cvtStringToTextProperties",
+		      "ToolkitError",
+		      "String to textProperties conversion needs widget argument",
+		      NULL, NULL);
+	return (False);
+    }
+
+    w = *(Widget*)args[0].addr;
+    while (w && !XtIsWidget(w))
+	w = XtParent(w);
+
+    name = (String)(fromVal[0].addr);
+
+    if (w) {
+	XawTextPropertyList **ptr = NULL;
+	if (prop_lists) ptr = (XawTextPropertyList**)
+	    bsearch((void*)(long)XrmStringToQuark(name),
+		    prop_lists, num_prop_lists,
+		    sizeof(XawTextPropertyList*), bcmp_qident);
+
+	if (ptr) {
+	    Screen *screen = w->core.screen;
+	    Colormap colormap = w->core.colormap;
+	    int depth = w->core.depth;
+
+	    propl = *ptr;
+	    while (propl) {
+		if (propl->screen == screen &&
+		    propl->colormap == colormap &&
+		    propl->depth == depth)
+		    break;
+		propl = propl->next;
+	    }
+	}
+    }
+
+    if (!propl) {
+	XtDisplayStringConversionWarning(dpy, (String)fromVal->addr,
+					 XawRTextProperties);
+	toVal->addr = NULL;
+	toVal->size = sizeof(XawTextPropertyList*);
+	return (False);
+    }
+
+    if (toVal->addr != NULL) {
+	if (toVal->size < sizeof(XawTextPropertyList*))	{
+	    toVal->size = sizeof(XawTextPropertyList*);
+	    return (False);
+	}
+	*(XawTextPropertyList**)(toVal->addr) = propl;
+    }
+    else {
+	static XawTextPropertyList *static_val;
+
+	static_val = propl;
+	toVal->addr = (XPointer)&static_val;
+    }
+    toVal->size = sizeof(XawTextProperty*);
+
+    return (True);
+}
+
+/*ARGSUSED*/
+static Boolean
+CvtPropertyListToString(Display *dpy, XrmValue *args, Cardinal *num_args,
+			XrmValue *fromVal, XrmValue *toVal,
+			XtPointer *converter_data)
+{
+    static char *buffer;
+    Cardinal size;
+    XawTextPropertyList *propl;
+
+    propl = *(XawTextPropertyList**)fromVal[0].addr;
+
+    buffer = XrmQuarkToString(propl->identifier);
+    size = strlen(buffer) + 1;
+
+    if (toVal->addr != NULL) {
+	if (toVal->size < size) {
+	    toVal->size = size;
+	    return (False);
+	}
+	strcpy((char *)toVal->addr, buffer);
+    }
+    else
+	toVal->addr = buffer;
+    toVal->size = size;
+
+    return (True);
+}
+#endif