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-rw-r--r--libXaw/src/TextSink.c3656
1 files changed, 1827 insertions, 1829 deletions
diff --git a/libXaw/src/TextSink.c b/libXaw/src/TextSink.c
index 75f952fff..424e4cf3c 100644
--- a/libXaw/src/TextSink.c
+++ b/libXaw/src/TextSink.c
@@ -1,1829 +1,1827 @@
-/* $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
+/*
+
+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.
+
+*/
+
+/*
+ * 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 09:36:07 +0000