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xenocara/lib/libXaw/src/DisplayList.c

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import from X.Org 7.2RC2
2006-11-25 09:53:47 -07:00
/*
* Copyright (c) 1998 by The XFree86 Project, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* 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 XFREE86 PROJECT 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 XFree86 Project 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
* XFree86 Project.
*
* Author: Paulo César Pereira de Andrade
*/
/* $XFree86: xc/lib/Xaw/DisplayList.c,v 3.18 2003/05/23 14:51:15 tsi Exp $ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <X11/CoreP.h>
#include <X11/Xfuncs.h>
#include <X11/Xmu/CharSet.h>
#include <X11/Xmu/SysUtil.h>
#include "Private.h"
#ifdef __UNIXOS2__
static char dummy;
#endif
#ifndef OLDXAW
/*
* Types
*/
typedef struct _XawDLProc XawDLProc;
typedef struct _XawDLData XawDLData;
typedef struct _XawDLInfo XawDLInfo;
struct _XawDLProc {
XrmQuark qname;
String *params;
Cardinal num_params;
XawDisplayListProc proc;
XtPointer args;
XawDLData *data;
};
struct _XawDLData {
XawDLClass *dlclass;
XtPointer data;
};
struct _XawDLInfo {
String name;
XrmQuark qname;
XawDisplayListProc proc;
};
struct _XawDL {
XawDLProc **procs;
Cardinal num_procs;
XawDLData **data;
Cardinal num_data;
Screen *screen;
Colormap colormap;
int depth;
XrmQuark qrep; /* for cache lookup */
};
struct _XawDLClass {
String name;
XawDLInfo **infos;
Cardinal num_infos;
XawDLArgsInitProc args_init;
XawDLArgsDestructor args_destructor;
XawDLDataInitProc data_init;
XawDLDataDestructor data_destructor;
};
/*
* Private Methods
*/
static XawDLClass *_XawFindDLClass(String);
static int qcmp_dlist_class(_Xconst void*, _Xconst void*);
static int bcmp_dlist_class(_Xconst void*, _Xconst void*);
static XawDLInfo *_XawFindDLInfo(XawDLClass*, String);
static int qcmp_dlist_info(_Xconst void*, _Xconst void*);
static int bcmp_dlist_info(_Xconst void*, _Xconst void*);
static void *_Xaw_Xlib_ArgsInitProc(String, String*, Cardinal*,
Screen*, Colormap, int);
static void _Xaw_Xlib_ArgsDestructor(Display*, String, XtPointer,
String*, Cardinal*);
static void *_Xaw_Xlib_DataInitProc(String, Screen*, Colormap, int);
static void _Xaw_Xlib_DataDestructor(Display*, String, XtPointer);
/*
* Initialization
*/
static XawDLClass **classes;
static Cardinal num_classes;
static String xlib = "xlib";
/*
* Implementation
*/
void
XawRunDisplayList(Widget w, _XawDisplayList *list,
XEvent *event, Region region)
{
XawDLProc *proc;
Cardinal i;
if (!XtIsRealized(w))
return;
for (i = 0; i < list->num_procs; i++)
{
proc = list->procs[i];
proc->proc(w, proc->args, proc->data->data, event, region);
}
}
#define DLERR -2
#define DLEOF -1
#define DLEND 1
#define DLNAME 2
#define DLARG 3
static char *
read_token(char *src, char *dst, Cardinal size, int *status)
{
int ch;
Bool esc, quote;
Cardinal i;
i = 0;
esc = quote = False;
/*CONSTCOND*/
while (1)
{
ch = *src;
if (ch != '\n' && isspace(ch))
++src;
else
break;
}
for (; i < size - 1; src++)
{
ch = *src;
if (ch == '"')
{
if (quote)
{
quote = False;
continue;
}
quote = True;
continue;
}
if (ch == '\\')
{
if (esc)
{
dst[i++] = ch;
esc = False;
continue;
}
esc = True;
continue;
}
if (ch == '\0')
{
*status = DLEOF;
dst[i] = '\0';
return (src);
}
else if (!esc)
{
if (!quote)
{
if (ch == ',')
{
*status = DLARG;
dst[i] = '\0';
return (++src);
}
else if (ch == ' ' || ch == '\t')
{
*status = DLNAME;
dst[i] = '\0';
return (++src);
}
else if (ch == ';' || ch == '\n')
{
*status = DLEND;
dst[i] = '\0';
return (++src);
}
}
}
else
esc = False;
dst[i++] = ch;
}
*status = DLERR;
dst[i] = '\0';
return (src);
}
_XawDisplayList *XawCreateDisplayList(String string, Screen *screen,
Colormap colormap, int depth)
{
_XawDisplayList *dlist;
XawDLClass *lc, *xlibc;
XawDLData *data;
XawDLInfo *info;
XawDLProc *proc;
char cname[64], fname[64], aname[1024];
Cardinal i;
char *cp, *fp, *lp;
int status;
xlibc = XawGetDisplayListClass(xlib);
if (!xlibc)
{
XawDisplayListInitialize();
xlibc = XawGetDisplayListClass(xlib);
}
dlist = (_XawDisplayList *)XtMalloc(sizeof(_XawDisplayList));
dlist->procs = NULL;
dlist->num_procs = 0;
dlist->data = NULL;
dlist->num_data = 0;
dlist->screen = screen;
dlist->colormap = colormap;
dlist->depth = depth;
dlist->qrep = NULLQUARK;
if (!string || !string[0])
return (dlist);
cp = string;
status = 0;
while (status != DLEOF)
{
lp = cp;
cp = read_token(cp, fname, sizeof(fname), &status);
if (status != DLNAME && status != DLEND && status != DLEOF)
{
char msg[256];
XmuSnprintf(msg, sizeof(msg),
"Error parsing displayList at \"%s\"", lp);
XtAppWarning(XtDisplayToApplicationContext(DisplayOfScreen(screen)),
msg);
XawDestroyDisplayList(dlist);
return (NULL);
}
fp = fname;
/*CONSTCOND*/
while (1)
{
fp = strchr(fp, ':');
if (!fp || (fp == cp || fp[-1] != '\\'))
break;
++fp;
}
if (fp)
{
XmuSnprintf(cname, fp - fname + 1, fname);
memmove(fname, fp + 1, strlen(fp));
lc = cname[0] ? XawGetDisplayListClass(cname) : xlibc;
if (!lc)
{
char msg[256];
XmuSnprintf(msg, sizeof(msg),
"Cannot find displayList class \"%s\"", cname);
XtAppWarning(XtDisplayToApplicationContext
(DisplayOfScreen(screen)), msg);
XawDestroyDisplayList(dlist);
return (NULL);
}
}
else
lc = xlibc;
if (status == DLEOF && !fname[0])
break;
if ((info = _XawFindDLInfo(lc, fname)) == NULL)
{
char msg[256];
XmuSnprintf(msg, sizeof(msg),
"Cannot find displayList procedure \"%s\"", fname);
XtAppWarning(XtDisplayToApplicationContext(DisplayOfScreen(screen)),
msg);
XawDestroyDisplayList(dlist);
return (NULL);
}
proc = (XawDLProc *)XtMalloc(sizeof(XawDLProc));
proc->qname = info->qname;
proc->params = NULL;
proc->num_params = 0;
proc->proc = info->proc;
proc->args = NULL;
proc->data = NULL;
if (!dlist->procs)
{
dlist->num_procs = 1;
dlist->procs = (XawDLProc**)XtMalloc(sizeof(XawDLProc*));
}
else
{
++dlist->num_procs;
dlist->procs = (XawDLProc**)
XtRealloc((char *)dlist->procs, sizeof(XawDLProc*) *
dlist->num_procs);
}
dlist->procs[dlist->num_procs - 1] = proc;
while (status != DLEND && status != DLEOF)
{
lp = cp;
cp = read_token(cp, aname, sizeof(aname), &status);
if (status != DLARG && status != DLEND && status != DLEOF)
{
char msg[256];
XmuSnprintf(msg, sizeof(msg),
"Error parsing displayList at \"%s\"", lp);
XtAppWarning(XtDisplayToApplicationContext
(DisplayOfScreen(screen)), msg);
XawDestroyDisplayList(dlist);
return (NULL);
}
if (!proc->num_params)
{
proc->num_params = 1;
proc->params = (String *)XtMalloc(sizeof(String));
}
else
{
++proc->num_params;
proc->params = (String *)XtRealloc((char *)proc->params,
sizeof(String) *
proc->num_params);
}
proc->params[proc->num_params - 1] = XtNewString(aname);
}
/* verify if data is already created for lc */
data = NULL;
for (i = 0; i < dlist->num_data; i++)
if (dlist->data[i]->dlclass == lc)
{
data = dlist->data[i];
break;
}
if (!data)
{
data = (XawDLData *)XtMalloc(sizeof(XawDLData));
data->dlclass = lc;
if (lc->data_init)
data->data = lc->data_init(lc->name, screen, colormap, depth);
else
data->data = NULL;
if (!dlist->data)
{
dlist->num_data = 1;
dlist->data = (XawDLData **)XtMalloc(sizeof(XawDLData*));
}
else
{
++dlist->num_data;
dlist->data = (XawDLData **)
XtRealloc((char *)dlist->data, sizeof(XawDLData*) *
dlist->num_data);
}
dlist->data[dlist->num_data - 1] = data;
}
if (lc->args_init)
{
proc->args = lc->args_init(fname, proc->params, &proc->num_params,
screen, colormap, depth);
if (proc->args == XAWDL_CONVERT_ERROR)
{
char msg[256];
proc->args = NULL;
XmuSnprintf(msg, sizeof(msg),
"Cannot convert arguments to displayList function \"%s\"", fname);
XtAppWarning(XtDisplayToApplicationContext
(DisplayOfScreen(screen)), msg);
XawDestroyDisplayList(dlist);
return (NULL);
}
}
else
proc->args = NULL;
proc->data = data;
}
dlist->qrep = XrmStringToQuark(string);
return (dlist);
}
String
XawDisplayListString(_XawDisplayList *dlist)
{
if (!dlist || dlist->qrep == NULLQUARK)
return ("");
return (XrmQuarkToString(dlist->qrep));
}
void
XawDestroyDisplayList(_XawDisplayList *dlist)
{
Cardinal i, j;
XawDLProc *proc;
XawDLData *data;
if (!dlist)
return;
for (i = 0; i < dlist->num_procs; i++)
{
proc = dlist->procs[i];
data = proc->data;
if (data)
{
if (data->dlclass->args_destructor)
data->dlclass->args_destructor(DisplayOfScreen(dlist->screen),
XrmQuarkToString(proc->qname),
proc->args,
proc->params, &proc->num_params);
if (data->data)
{
if (data->dlclass->data_destructor)
{
data->dlclass
->data_destructor(DisplayOfScreen(dlist->screen),
data->dlclass->name, data->data);
data->data = NULL;
}
}
}
for (j = 0; j < proc->num_params; j++)
XtFree(proc->params[j]);
if (proc->num_params)
XtFree((char *)proc->params);
XtFree((char *)proc);
}
if (dlist->num_procs)
XtFree((char *)dlist->procs);
XtFree((char *)dlist);
}
/**********************************************************************
* If you want to implement your own class of procedures, look at
* the code bellow.
**********************************************************************/
/* Start of Implementation of class "xlib" */
typedef struct _XawXlibData {
GC gc;
unsigned long mask;
XGCValues values;
int shape;
int mode;
char *dashes;
/* these fields can be used for optimization, to
* avoid unnecessary coordinates recalculation.
*/
Position x, y;
Dimension width, height;
} XawXlibData;
typedef struct _XawDLPosition {
Position pos;
short denom;
Boolean high;
} XawDLPosition;
typedef struct _XawDLPositionPtr {
XawDLPosition *pos;
Cardinal num_pos;
} XawDLPositionPtr;
typedef struct _XawDLArcArgs {
XawDLPosition pos[4];
int angle1;
int angle2;
} XawDLArcArgs;
typedef struct _XawDLStringArgs {
XawDLPosition pos[2];
char *string;
int length;
} XawDLStringArgs;
typedef struct _XawDLCopyArgs {
XawPixmap *pixmap;
XawDLPosition pos[6];
int plane;
} XawDLCopyArgs;
typedef struct _XawDLImageArgs {
XawPixmap *pixmap;
XawDLPosition pos[4];
int depth;
} XawDLImageArgs;
#define X_ARG(x) (Position)(((x).denom != 0) ? \
((float)XtWidth(w) * ((float)(x).pos / (float)(x).denom)) : \
((x).high ? XtWidth(w) - (x).pos : (x).pos))
#define Y_ARG(x) (Position)(((x).denom != 0) ? \
((float)XtHeight(w) * ((float)(x).pos / (float)(x).denom)): \
((x).high ? XtHeight(w) - (x).pos : (x).pos))
#define DRECT 0
#define FRECT 1
#define LINE 2
#define GCFG 3
#define GCBG 4
#define FPOLY 5
#define DARC 6
#define FARC 7
#define DLINES 8
#define MASK 9
#define UMASK 10
#define LWIDTH 11
#define POINT 12
#define POINTS 13
#define SEGMENTS 14
#define ARCMODE 15
#define COORDMODE 16
#define SHAPEMODE 17
#define LINESTYLE 18
#define CAPSTYLE 19
#define JOINSTYLE 20
#define FILLSTYLE 21
#define FILLRULE 22
#define TILE 23
#define STIPPLE 24
#define TSORIGIN 25
#define FUNCTION 26
#define PLANEMASK 27
#define DSTRING 28
#define PSTRING 29
#define FONT 30
#define DASHES 31
#define SUBWMODE 32
#define EXPOSURES 33
#define CLIPORIGIN 34
#define CLIPMASK 35
#define CLIPRECTS 36
#define COPYAREA 37
#define COPYPLANE 38
#define IMAGE 39
static void
Dl1Point(Widget w, XtPointer args, XtPointer data, int id)
{
XawDLPosition *pos = (XawDLPosition *)args;
XawXlibData *xdata = (XawXlibData *)data;
Display *display;
Window window;
Position x, y;
x = X_ARG(pos[0]);
y = Y_ARG(pos[1]);
if (!XtIsWidget(w))
{
Position xpad, ypad;
xpad = XtX(w) + XtBorderWidth(w);
ypad = XtY(w) + XtBorderWidth(w);
x += xpad;
y += ypad;
display = XtDisplayOfObject(w);
window = XtWindowOfObject(w);
}
else
{
display = XtDisplay(w);
window = XtWindow(w);
}
if (id == POINT)
XDrawPoint(display, window, xdata->gc, x, y);
else if (id == TSORIGIN)
{
xdata->values.ts_x_origin = x;
xdata->values.ts_y_origin = y;
xdata->mask |= GCTileStipXOrigin | GCTileStipYOrigin;
XSetTSOrigin(display, xdata->gc, x, y);
}
else if (id == CLIPORIGIN)
{
xdata->values.clip_x_origin = x;
xdata->values.clip_y_origin = y;
xdata->mask |= GCClipXOrigin | GCClipYOrigin;
XSetClipOrigin(display, xdata->gc, x, y);
}
}
static void
Dl2Points(Widget w, XtPointer args, XtPointer data, int id)
{
XawDLPosition *pos = (XawDLPosition *)args;
XawXlibData *xdata = (XawXlibData *)data;
Display *display;
Window window;
Position x1, y1, x2, y2;
x1 = X_ARG(pos[0]);
y1 = Y_ARG(pos[1]);
x2 = X_ARG(pos[2]);
y2 = Y_ARG(pos[3]);
if (!XtIsWidget(w))
{
Position xpad, ypad;
xpad = XtX(w) + XtBorderWidth(w);
ypad = XtY(w) + XtBorderWidth(w);
x1 += xpad; y1 += ypad;
x2 += xpad; y2 += ypad;
display = XtDisplayOfObject(w);
window = XtWindowOfObject(w);
}
else
{
display = XtDisplay(w);
window = XtWindow(w);
}
if (id == DRECT)
XDrawRectangle(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1);
else if (id == FRECT)
XFillRectangle(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1);
else if (id == LINE)
XDrawLine(display, window, xdata->gc, x1, y1, x2, y2);
}
/* ARGSUSED */
static void
DlLine(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
{
Dl2Points(w, args, data, LINE);
}
/* ARGSUSED */
static void
DlDrawRectangle(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
Dl2Points(w, args, data, DRECT);
}
/* ARGSUSED */
static void
DlFillRectangle(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
Dl2Points(w, args, data, FRECT);
}
static void
DlXPoints(Widget w, XtPointer args, XtPointer data, int id)
{
XawDLPositionPtr *pos_ptr = (XawDLPositionPtr *)args;
XawXlibData *xdata = (XawXlibData *)data;
XawDLPosition *pos;
XPoint points_buf[16];
XPoint *points;
Display *display;
Window window;
Cardinal num_points, i, j;
num_points = pos_ptr->num_pos>>1;
points = (XPoint *)XawStackAlloc(sizeof(XPoint) * num_points, points_buf);
for (i = j = 0; i < num_points; i++, j = i << 1)
{
pos = &pos_ptr->pos[j];
points[i].x = X_ARG(pos[0]);
points[i].y = Y_ARG(pos[1]);
}
if (!XtIsWidget(w))
{
Position xpad, ypad;
xpad = XtX(w) + XtBorderWidth(w);
ypad = XtY(w) + XtBorderWidth(w);
if (xdata->mode != CoordModePrevious)
{
for (i = 0; i < num_points; i++)
{
points[i].x += xpad;
points[i].y += ypad;
}
}
else
{
points[0].x += xpad;
points[0].y += ypad;
}
display = XtDisplayOfObject(w);
window = XtWindowOfObject(w);
}
else
{
display = XtDisplay(w);
window = XtWindow(w);
}
if (id == FPOLY)
XFillPolygon(display, window, xdata->gc, points, num_points,
xdata->shape, xdata->mode);
else if (id == DLINES)
XDrawLines(display, window, xdata->gc, points, num_points, xdata->mode);
else if (id == POINTS)
XDrawPoints(display, window, xdata->gc, points, num_points, xdata->mode);
XawStackFree(points, points_buf);
}
/* ARGSUSED */
static void
DlFillPolygon(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
DlXPoints(w, args, data, FPOLY);
}
/* ARGSUSED */
static void
DlDrawLines(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
DlXPoints(w, args, data, DLINES);
}
/* ARGSUSED */
static void
DlDrawPoints(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
DlXPoints(w, args, data, POINTS);
}
/* ARGSUSED */
static void
DlForeground(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
Pixel foreground = (Pixel)args;
if (xdata->values.foreground != foreground)
{
xdata->mask |= GCForeground;
xdata->values.foreground = foreground;
XSetForeground(XtDisplayOfObject(w), xdata->gc, foreground);
}
}
/* ARGSUSED */
static void
DlBackground(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
Pixel background = (Pixel)args;
if (xdata->values.background != background)
{
xdata->mask |= GCBackground;
xdata->values.background = background;
XSetBackground(XtDisplayOfObject(w), xdata->gc, background);
}
}
static void
DlArc(Widget w, XtPointer args, XtPointer data, Bool fill)
{
XawXlibData *xdata = (XawXlibData *)data;
XawDLArcArgs *arc = (XawDLArcArgs *)args;
Position x1, y1, x2, y2;
Display *display;
Window window;
x1 = X_ARG(arc->pos[0]);
y1 = Y_ARG(arc->pos[1]);
x2 = X_ARG(arc->pos[2]);
y2 = Y_ARG(arc->pos[3]);
if (!XtIsWidget(w))
{
Position xpad, ypad;
xpad = XtX(w) + XtBorderWidth(w);
ypad = XtY(w) + XtBorderWidth(w);
x1 += xpad;
y1 += ypad;
x2 += xpad;
y2 += ypad;
display = XtDisplayOfObject(w);
window = XtWindowOfObject(w);
}
else
{
display = XtDisplay(w);
window = XtWindow(w);
}
if (fill)
XFillArc(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1,
arc->angle1, arc->angle2);
else
XDrawArc(display, window, xdata->gc, x1, y1, x2 - x1, y2 - y1,
arc->angle1, arc->angle2);
}
/* ARGSUSED */
static void
DlDrawArc(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
DlArc(w, args, data, False);
}
/* ARGSUSED */
static void
DlFillArc(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
DlArc(w, args, data, True);
}
/*ARGSUSED*/
static void
DlMask(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
Display *display = XtDisplayOfObject(w);
if (region)
XSetRegion(display, xdata->gc, region);
else if (event)
{
XRectangle rect;
rect.x = event->xexpose.x;
rect.y = event->xexpose.y;
rect.width = event->xexpose.width;
rect.height = event->xexpose.height;
XSetClipRectangles(display, xdata->gc, 0, 0, &rect, 1, Unsorted);
}
}
/* ARGSUSED */
static void
DlUmask(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
XSetClipMask(XtDisplayOfObject(w), xdata->gc, None);
}
/* ARGSUSED */
static void
DlLineWidth(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
unsigned line_width = (unsigned long)args;
if (xdata->values.line_width != line_width)
{
xdata->mask |= GCLineWidth;
xdata->values.line_width = line_width;
XChangeGC(XtDisplayOfObject(w), xdata->gc, GCLineWidth, &xdata->values);
}
}
/* ARGSUSED */
static void
DlDrawPoint(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
{
Dl1Point(w, args, data, POINT);
}
/* ARGSUSED */
static void
DlDrawSegments(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawDLPositionPtr *pos_ptr = (XawDLPositionPtr *)args;
XawXlibData *xdata = (XawXlibData *)data;
XawDLPosition *pos;
XSegment *segments;
XSegment segments_buf[8];
Display *display;
Window window;
Cardinal num_segments, i, j;
num_segments = pos_ptr->num_pos>>2;
segments = (XSegment *)XawStackAlloc(sizeof(XSegment) * num_segments, segments_buf);
for (i = j = 0; i < num_segments; i++, j = i << 2)
{
pos = &pos_ptr->pos[j];
segments[i].x1 = X_ARG(pos[0]);
segments[i].y1 = Y_ARG(pos[1]);
segments[i].x2 = X_ARG(pos[2]);
segments[i].y2 = Y_ARG(pos[3]);
}
if (!XtIsWidget(w))
{
Position xpad, ypad;
xpad = XtX(w) + XtBorderWidth(w);
ypad = XtY(w) + XtBorderWidth(w);
for (i = 0; i < num_segments; i++)
{
segments[i].x1 += xpad;
segments[i].y1 += ypad;
segments[i].x2 += xpad;
segments[i].y2 += ypad;
}
display = XtDisplayOfObject(w);
window = XtWindowOfObject(w);
}
else
{
display = XtDisplay(w);
window = XtWindow(w);
}
XDrawSegments(display, window, xdata->gc, segments, num_segments);
XawStackFree(segments, segments_buf);
}
/* ARGSUSED */
static void
DlArcMode(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int arc_mode = (long)args;
if (xdata->values.arc_mode != arc_mode)
{
xdata->mask |= GCArcMode;
xdata->values.arc_mode = arc_mode;
XSetArcMode(XtDisplayOfObject(w), xdata->gc, arc_mode);
}
}
/* ARGSUSED */
static void
DlCoordMode(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int mode = (long)args;
xdata->mode = mode;
}
/* ARGSUSED */
static void
DlShapeMode(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int shape = (long)args;
xdata->shape = shape;
}
/* ARGSUSED */
static void
DlLineStyle(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int line_style = (long)args;
if (xdata->values.line_style != line_style)
{
xdata->mask |= GCLineStyle;
xdata->values.line_style = line_style;
XChangeGC(XtDisplayOfObject(w), xdata->gc, GCLineStyle, &xdata->values);
}
}
/* ARGSUSED */
static void
DlCapStyle(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int cap_style = (long)args;
if (xdata->values.cap_style != cap_style)
{
xdata->mask |= GCCapStyle;
xdata->values.cap_style = cap_style;
XChangeGC(XtDisplayOfObject(w), xdata->gc, GCCapStyle, &xdata->values);
}
}
/* ARGSUSED */
static void
DlJoinStyle(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int join_style = (long)args;
if (xdata->values.join_style != join_style)
{
xdata->mask |= GCJoinStyle;
xdata->values.join_style = join_style;
XChangeGC(XtDisplayOfObject(w), xdata->gc, GCJoinStyle, &xdata->values);
}
}
/* ARGSUSED */
static void
DlFillStyle(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int fill_style = (long)args;
if (xdata->values.fill_style != fill_style)
{
xdata->mask |= GCFillStyle;
xdata->values.fill_style = fill_style;
XSetFillStyle(XtDisplayOfObject(w), xdata->gc, fill_style);
}
}
/* ARGSUSED */
static void
DlFillRule(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int fill_rule = (long)args;
if (xdata->values.fill_rule != fill_rule)
{
xdata->mask |= GCFillRule;
xdata->values.fill_rule = fill_rule;
XSetFillRule(XtDisplayOfObject(w), xdata->gc, fill_rule);
}
}
/* ARGSUSED */
static void
DlTile(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
XawPixmap *pixmap = (XawPixmap *)args;
if (pixmap && xdata->values.tile != pixmap->pixmap)
{
xdata->mask |= GCTile;
xdata->values.tile = pixmap->pixmap;
XSetTile(XtDisplayOfObject(w), xdata->gc, xdata->values.tile);
}
}
/* ARGSUSED */
static void
DlStipple(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
XawPixmap *pixmap = (XawPixmap *)args;
if (pixmap && xdata->values.stipple != pixmap->pixmap)
{
xdata->mask |= GCStipple;
xdata->values.stipple = pixmap->pixmap;
XSetStipple(XtDisplayOfObject(w), xdata->gc, xdata->values.stipple);
}
}
/* ARGSUSED */
static void
DlTSOrigin(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
{
Dl1Point(w, args, data, TSORIGIN);
}
/* ARGSUSED */
static void
DlFunction(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int function = (long)args;
if (function != xdata->values.function)
{
xdata->mask |= GCFunction;
xdata->values.function = function;
XSetFunction(XtDisplayOfObject(w), xdata->gc, function);
}
}
/* ARGSUSED */
static void
DlPlaneMask(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
unsigned long plane_mask = (unsigned long)args;
if (xdata->values.plane_mask != plane_mask)
{
xdata->mask |= GCPlaneMask;
xdata->values.plane_mask = plane_mask;
XSetPlaneMask(XtDisplayOfObject(w), xdata->gc, plane_mask);
}
}
static void
DlString(Widget w, XtPointer args, XtPointer data, Bool image)
{
XawDLStringArgs *string = (XawDLStringArgs *)args;
XawXlibData *xdata = (XawXlibData *)data;
Display *display;
Window window;
Position x, y;
x = X_ARG(string->pos[0]);
y = Y_ARG(string->pos[1]);
if (!XtIsWidget(w))
{
Position xpad, ypad;
xpad = XtX(w) + XtBorderWidth(w);
ypad = XtY(w) + XtBorderWidth(w);
x += xpad;
y += ypad;
display = XtDisplayOfObject(w);
window = XtWindowOfObject(w);
}
else
{
display = XtDisplay(w);
window = XtWindow(w);
}
if (image)
XDrawImageString(display, window, xdata->gc, x, y, string->string, string->length);
else
XDrawString(display, window, xdata->gc, x, y, string->string, string->length);
}
/* ARGSUSED */
static void
DlDrawString(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
DlString(w, args, data, False);
}
/* ARGSUSED */
static void
DlPaintString(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
DlString(w, args, data, True);
}
/* ARGSUSED */
static void
DlFont(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
Font font = (Font)args;
if (xdata->values.font != font)
{
xdata->mask |= GCFont;
xdata->values.font = font;
XSetFont(XtDisplayOfObject(w), xdata->gc, font);
}
}
/* ARGSUSED */
static void
DlDashes(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
char *dashes = args;
if (xdata->dashes != dashes)
{
xdata->mask |= GCDashOffset | GCDashList;
xdata->dashes = dashes;
XSetDashes(XtDisplayOfObject(w), xdata->gc, 0, dashes + 1, *dashes);
}
}
/* ARGSUSED */
static void
DlSubwindowMode(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
int subwindow_mode = (long)args;
if (xdata->values.subwindow_mode != subwindow_mode)
{
xdata->mask |= GCSubwindowMode;
xdata->values.subwindow_mode = subwindow_mode;
XSetSubwindowMode(XtDisplayOfObject(w), xdata->gc, subwindow_mode);
}
}
/* ARGSUSED */
static void
DlExposures(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
Bool graphics_exposures = (Bool)(long)args;
if (xdata->values.graphics_exposures != graphics_exposures)
{
xdata->mask |= GCGraphicsExposures;
xdata->values.graphics_exposures = graphics_exposures;
XSetGraphicsExposures(XtDisplayOfObject(w), xdata->gc, graphics_exposures);
}
}
/* ARGSUSED */
static void
DlClipOrigin(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
{
Dl1Point(w, args, data, CLIPORIGIN);
}
/* ARGSUSED */
static void
DlClipMask(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawXlibData *xdata = (XawXlibData *)data;
XawPixmap *pixmap = (XawPixmap *)args;
Pixmap clip_mask;
if (pixmap)
clip_mask = pixmap->mask ? pixmap->mask : pixmap->pixmap;
else
clip_mask = None;
if (xdata->values.clip_mask != clip_mask)
{
xdata->mask |= GCClipMask;
XSetClipMask(XtDisplayOfObject(w), xdata->gc, clip_mask);
}
}
/* ARGSUSED */
static void
DlClipRectangles(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
XawDLPositionPtr *pos_ptr = (XawDLPositionPtr *)args;
XawXlibData *xdata = (XawXlibData *)data;
XawDLPosition *pos;
XRectangle *rects;
XRectangle rects_buf[8];
Position x1, y1, x2, y2;
Cardinal num_rects, i, j;
num_rects = pos_ptr->num_pos>>2;
rects = (XRectangle *)XawStackAlloc(sizeof(XRectangle) * num_rects, rects_buf);
for (i = j = 0; i < num_rects; i++, j = i << 2)
{
pos = &pos_ptr->pos[j];
x1 = X_ARG(pos[0]);
y1 = Y_ARG(pos[1]);
x2 = X_ARG(pos[2]);
y2 = Y_ARG(pos[3]);
rects[i].x = XawMin(x1, x2);
rects[i].y = XawMin(y1, y2);
rects[i].width = XawMax(x1, x2) - rects[i].x;
rects[i].height = XawMax(y1, y2) - rects[i].y;
}
if (!XtIsWidget(w))
{
Position xpad, ypad;
xpad = XtX(w) + XtBorderWidth(w);
ypad = XtY(w) + XtBorderWidth(w);
for (i = 0; i < num_rects; i++)
{
rects[i].x += xpad;
rects[i].y += ypad;
}
}
XSetClipRectangles(XtDisplayOfObject(w), xdata->gc, 0, 0, rects, num_rects, Unsorted);
XawStackFree(rects, rects_buf);
}
static void
DlCopy(Widget w, XtPointer args, XtPointer data, Bool plane)
{
XawDLCopyArgs *copy = (XawDLCopyArgs *)args;
XawXlibData *xdata = (XawXlibData *)data;
int src_x, src_y, dst_x, dst_y, width, height, tmp1, tmp2;
tmp1 = X_ARG(copy->pos[0]);
tmp2 = X_ARG(copy->pos[2]);
dst_x = XawMin(tmp1, tmp2);
width = XawMax(tmp1, tmp2) - dst_x;
tmp1 = Y_ARG(copy->pos[1]);
tmp2 = Y_ARG(copy->pos[3]);
dst_y = XawMin(tmp1, tmp2);
height = XawMax(tmp1, tmp2) - dst_y;
src_x = X_ARG(copy->pos[4]);
src_y = Y_ARG(copy->pos[5]);
if (width <= 0)
{
if (copy->pixmap)
width = copy->pixmap->width;
else
{
if ((width = XtWidth(w) - src_x) < 0)
width = 0;
}
}
if (height <= 0)
{
if (copy->pixmap)
height = copy->pixmap->height;
else
{
if ((height = XtHeight(w) - src_y) < 0)
height = 0;
}
}
if (!XtIsWidget(w))
{
Position xpad, ypad;
xpad = XtX(w) + XtBorderWidth(w);
ypad = XtY(w) + XtBorderWidth(w);
src_x += xpad;
src_y += ypad;
dst_x += xpad;
dst_y += ypad;
}
if (plane)
XCopyPlane(XtDisplayOfObject(w), XtWindowOfObject(w),
copy->pixmap ? copy->pixmap->pixmap : XtWindowOfObject(w),
xdata->gc, src_x, src_y, width, height, dst_x, dst_y,
copy->plane ? copy->plane : 1);
else
XCopyArea(XtDisplayOfObject(w),
copy->pixmap ? copy->pixmap->pixmap : XtWindowOfObject(w),
XtWindowOfObject(w), xdata->gc, src_x, src_y, width, height, dst_x, dst_y);
}
/* ARGSUSED */
static void
DlCopyArea(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
DlCopy(w, args, data, False);
}
/* ARGSUSED */
static void
DlCopyPlane(Widget w, XtPointer args, XtPointer data,
XEvent *event, Region region)
{
DlCopy(w, args, data, True);
}
/*ARGSUSED*/
/* Note:
* This function is destructive if you set the ts_x_origin, ts_y_origin,
* and/or clip-mask. It is meant to be the only function used in a display
* list. If you need to use other functions (and those values), be sure to
* set them after calling this function.
*/
static void
DlImage(Widget w, XtPointer args, XtPointer data, XEvent *event, Region region)
{
XawDLImageArgs *image = (XawDLImageArgs *)args;
XawXlibData *xdata = (XawXlibData *)data;
int x, y, xs, ys, xe, ye, width, height;
Display *display;
Window window;
width = image->pixmap->width;
height = image->pixmap->height;
xs = X_ARG(image->pos[0]);
ys = Y_ARG(image->pos[1]);
xe = X_ARG(image->pos[2]);
ye = Y_ARG(image->pos[3]);
if (xe <= 0)
xe = xs + width;
if (ye <= 0)
ye = ys + height;
if (!XtIsWidget(w))
{
Position xpad, ypad;
xpad = XtX(w) + XtBorderWidth(w);
ypad = XtY(w) + XtBorderWidth(w);
xe += xpad;
ye += ypad;
xe += xpad;
ye += ypad;
display = XtDisplayOfObject(w);
window = XtWindowOfObject(w);
}
else
{
display = XtDisplay(w);
window = XtWindow(w);
}
for (y = ys; y < ye; y += height)
for (x = xs; x < xe; x += width)
{
XSetClipOrigin(display, xdata->gc, x, y);
if (image->pixmap->mask)
XSetClipMask(display, xdata->gc, image->pixmap->mask);
if (image->depth == 1)
XCopyPlane(display, image->pixmap->pixmap, window, xdata->gc,
0, 0, XawMin(width, xe - x), XawMin(height, ye - y),
x, y, 1L);
else
XCopyArea(display, image->pixmap->pixmap, window, xdata->gc, 0, 0,
XawMin(width, xe - x), XawMin(height, ye - y), x, y);
}
XSetClipMask(display, xdata->gc, None);
}
typedef struct _Dl_init Dl_init;
struct _Dl_init {
String name;
XawDisplayListProc proc;
Cardinal id;
};
static Dl_init dl_init[] =
{
{"arc-mode", DlArcMode, ARCMODE},
{"background", DlBackground, GCBG},
{"bg", DlBackground, GCBG},
{"cap-style", DlCapStyle, CAPSTYLE},
{"clip-mask", DlClipMask, CLIPMASK},
{"clip-origin", DlClipOrigin, CLIPORIGIN},
{"clip-rectangles", DlClipRectangles, CLIPRECTS},
{"clip-rects", DlClipRectangles, CLIPRECTS},
{"coord-mode", DlCoordMode, COORDMODE},
{"copy-area", DlCopyArea, COPYAREA},
{"copy-plane", DlCopyPlane, COPYPLANE},
{"dashes", DlDashes, DASHES},
{"draw-arc", DlDrawArc, DARC},
{"draw-line", DlLine, LINE},
{"draw-lines", DlDrawLines, DLINES},
{"draw-point", DlDrawPoint, POINT},
{"draw-points", DlDrawPoints, POINTS},
{"draw-rect", DlDrawRectangle, DRECT},
{"draw-rectangle", DlDrawRectangle, DRECT},
{"draw-segments", DlDrawSegments, SEGMENTS},
{"draw-string", DlDrawString, DSTRING},
{"exposures", DlExposures, EXPOSURES},
{"fg", DlForeground, GCFG},
{"fill-arc", DlFillArc, FARC},
{"fill-poly", DlFillPolygon, FPOLY},
{"fill-polygon", DlFillPolygon, FPOLY},
{"fill-rect", DlFillRectangle, FRECT},
{"fill-rectangle", DlFillRectangle, FRECT},
{"fill-rule", DlFillRule, FILLRULE},
{"fill-style", DlFillStyle, FILLSTYLE},
{"font", DlFont, FONT},
{"foreground", DlForeground, GCFG},
{"function", DlFunction, FUNCTION},
{"image", DlImage, IMAGE},
{"join-style", DlJoinStyle, JOINSTYLE},
{"line", DlLine, LINE},
{"line-style", DlLineStyle, LINESTYLE},
{"line-width", DlLineWidth, LWIDTH},
{"lines", DlDrawLines, DLINES},
{"mask", DlMask, MASK},
{"paint-string", DlPaintString, PSTRING},
{"plane-mask", DlPlaneMask, PLANEMASK},
{"point", DlDrawPoint, POINT},
{"points", DlDrawPoints, POINTS},
{"segments", DlDrawSegments, SEGMENTS},
{"shape-mode", DlShapeMode, SHAPEMODE},
{"stipple", DlStipple, STIPPLE},
{"subwindow-mode", DlSubwindowMode, SUBWMODE},
{"tile", DlTile, TILE},
{"ts-origin", DlTSOrigin, TSORIGIN},
{"umask", DlUmask, UMASK},
};
void
XawDisplayListInitialize(void)
{
static Bool first_time = True;
XawDLClass *lc;
Cardinal i;
if (first_time == False)
return;
first_time = False;
lc = XawCreateDisplayListClass(xlib,
_Xaw_Xlib_ArgsInitProc,
_Xaw_Xlib_ArgsDestructor,
_Xaw_Xlib_DataInitProc,
_Xaw_Xlib_DataDestructor);
for (i = 0; i < sizeof(dl_init) / sizeof(dl_init[0]); i++)
(void)XawDeclareDisplayListProc(lc, dl_init[i].name, dl_init[i].proc);
}
static int
bcmp_cvt_proc(register _Xconst void *string,
register _Xconst void *dlinfo)
{
return (strcmp((String)string, ((Dl_init*)dlinfo)->name));
}
static long
read_int(char *cp, char **cpp)
{
long value = 0, sign = 1;
if (*cp == '-')
{
sign = -1;
++cp;
}
else if (*cp == '+')
++cp;
value = 0;
while (*cp >= '0' && *cp <= '9')
{
value = value * 10 + *cp - '0';
++cp;
}
if (cpp)
*cpp = cp;
return (value * sign);
}
static void
read_position(char *arg, XawDLPosition *pos)
{
int ch;
char *str = arg;
ch = *str;
if (ch == '-' || ch == '+')
{
++str;
if (ch == '-')
pos->high = True;
pos->pos = read_int(str, NULL);
}
else if (isdigit(ch))
{
pos->pos = read_int(str, &str);
ch = *str++;
if (ch == '/')
pos->denom = read_int(str, NULL);
}
}
/* ARGSUSED */
static void *
_Xaw_Xlib_ArgsInitProc(String proc_name, String *params, Cardinal *num_params,
Screen *screen, Colormap colormap, int depth)
{
Cardinal id, i;
Dl_init *init;
void *retval = XAWDL_CONVERT_ERROR;
init = (Dl_init *)bsearch(proc_name, dl_init,
sizeof(dl_init) / sizeof(dl_init[0]),
sizeof(dl_init[0]),
bcmp_cvt_proc);
id = init->id;
switch (id)
{
case LINE:
case DRECT:
case FRECT:
if (*num_params == 4)
{
XawDLPosition *pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) * 4);
for (i = 0; i < 4; i++)
read_position(params[i], &pos[i]);
retval = (void *)pos;
}
break;
case POINT:
case TSORIGIN:
case CLIPORIGIN:
if (*num_params == 2)
{
XawDLPosition *pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) * 2);
read_position(params[0], &pos[0]);
read_position(params[1], &pos[1]);
retval = (void *)pos;
}
break;
case DLINES:
case FPOLY:
case POINTS:
if (*num_params >= 4 && !(*num_params & 1))
{
XawDLPositionPtr *pos = XtNew(XawDLPositionPtr);
pos->pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) *
*num_params);
pos->num_pos = *num_params;
for (i = 0; i < *num_params; i++)
read_position(params[i], &pos->pos[i]);
retval = (void *)pos;
}
break;
case SEGMENTS:
case CLIPRECTS:
if (*num_params >= 4 && !(*num_params % 4))
{
XawDLPositionPtr *pos = XtNew(XawDLPositionPtr);
pos->pos = (XawDLPosition *)XtCalloc(1, sizeof(XawDLPosition) *
*num_params);
pos->num_pos = *num_params;
for (i = 0; i < *num_params; i++)
read_position(params[i], &pos->pos[i]);
retval = (void *)pos;
}
break;
case DARC:
case FARC:
if (*num_params >= 4 && *num_params <= 6)
{
XawDLArcArgs *args = (XawDLArcArgs *)XtCalloc(1, sizeof(XawDLArcArgs));
args->angle1 = 0;
args->angle2 = 360;
for (i = 0; i < 4; i++)
read_position(params[i], &args->pos[i]);
if (*num_params > 4)
args->angle1 = read_int(params[4], NULL);
if (*num_params > 5)
args->angle2 = read_int(params[5], NULL);
args->angle1 *= 64;
args->angle2 *= 64;
retval = (void *)args;
}
break;
case GCFG:
case GCBG:
{
XColor xcolor;
if (*num_params == 1 &&
XAllocNamedColor(DisplayOfScreen(screen), colormap,
params[0], &xcolor, &xcolor))
retval = (void *)xcolor.pixel;
} break;
case MASK:
case UMASK:
if (*num_params == 0)
retval = NULL;
break;
case LWIDTH:
if (*num_params == 1)
retval = (void *)read_int(params[0], NULL);
break;
case ARCMODE:
if (*num_params == 1)
{
if (XmuCompareISOLatin1(params[0], "pieslice") == 0)
retval = (void *)ArcPieSlice;
else if (XmuCompareISOLatin1(params[0], "chord") == 0)
retval = (void *)ArcChord;
}
break;
case COORDMODE:
if (*num_params == 1)
{
if (XmuCompareISOLatin1(params[0], "origin") == 0)
retval = (void *)CoordModeOrigin;
else if (XmuCompareISOLatin1(params[0], "previous") == 0)
retval = (void *)CoordModePrevious;
}
break;
case SHAPEMODE:
if (*num_params == 1)
{
if (XmuCompareISOLatin1(params[0], "complex") == 0)
retval = (void *)Complex;
else if (XmuCompareISOLatin1(params[0], "convex") == 0)
retval = (void *)Convex;
else if (XmuCompareISOLatin1(params[0], "nonconvex") == 0)
retval = (void *)Nonconvex;
}
break;
case LINESTYLE:
if (*num_params == 1)
{
if (XmuCompareISOLatin1(params[0], "solid") == 0)
retval = (void *)LineSolid;
else if (XmuCompareISOLatin1(params[0], "onoffdash") == 0)
retval = (void *)LineOnOffDash;
else if (XmuCompareISOLatin1(params[0], "doubledash") == 0)
retval = (void *)LineDoubleDash;
}
break;
case CAPSTYLE:
if (*num_params == 1)
{
if (XmuCompareISOLatin1(params[0], "notlast") == 0)
retval = (void *)CapNotLast;
else if (XmuCompareISOLatin1(params[0], "butt") == 0)
retval = (void *)CapButt;
else if (XmuCompareISOLatin1(params[0], "round") == 0)
retval = (void *)CapRound;
else if (XmuCompareISOLatin1(params[0], "projecting") == 0)
retval = (void *)CapProjecting;
}
break;
case JOINSTYLE:
if (*num_params == 1)
{
if (XmuCompareISOLatin1(params[0], "miter") == 0)
retval = (void *)JoinMiter;
else if (XmuCompareISOLatin1(params[0], "round") == 0)
retval = (void *)JoinRound;
else if (XmuCompareISOLatin1(params[0], "bevel") == 0)
retval = (void *)JoinBevel;
}
break;
case FILLSTYLE:
if (*num_params == 1)
{
if (*num_params && XmuCompareISOLatin1(params[0], "solid") == 0)
retval = (void *)FillSolid;
else if (*num_params && XmuCompareISOLatin1(params[0], "tiled") == 0)
retval = (void *)FillTiled;
else if (*num_params && XmuCompareISOLatin1(params[0], "stippled") == 0)
retval = (void *)FillStippled;
else if (*num_params && XmuCompareISOLatin1(params[0], "opaquestippled") == 0)
retval = (void *)FillOpaqueStippled;
}
break;
case FILLRULE:
if (*num_params == 1)
{
if (XmuCompareISOLatin1(params[0], "evenodd") == 0)
retval = (void *)EvenOddRule;
else if (XmuCompareISOLatin1(params[0], "winding") == 0)
retval = (void *)WindingRule;
}
break;
case TILE:
if (*num_params == 1)
retval = (void *)XawLoadPixmap(params[0], screen, colormap, depth);
if (retval == NULL)
{
XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0],
XtRPixmap);
retval = XAWDL_CONVERT_ERROR;
}
break;
case STIPPLE:
if (*num_params == 1)
retval = (void *)XawLoadPixmap(params[0], screen, colormap, 1);
if (retval == NULL)
{
XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0],
XtRBitmap);
retval = XAWDL_CONVERT_ERROR;
}
break;
case FUNCTION:
if (*num_params == 1)
{
if (XmuCompareISOLatin1(params[0], "set") == 0)
retval = (void *)GXset;
else if (XmuCompareISOLatin1(params[0], "clear") == 0)
retval = (void *)GXclear;
else if (XmuCompareISOLatin1(params[0], "and") == 0)
retval = (void *)GXand;
else if (XmuCompareISOLatin1(params[0], "andreverse") == 0)
retval = (void *)GXandReverse;
else if (XmuCompareISOLatin1(params[0], "copy") == 0)
retval = (void *)GXcopy;
else if (XmuCompareISOLatin1(params[0], "andinverted") == 0)
retval = (void *)GXandInverted;
else if (XmuCompareISOLatin1(params[0], "noop") == 0)
retval = (void *)GXnoop;
else if (XmuCompareISOLatin1(params[0], "xor") == 0)
retval = (void *)GXxor;
else if (XmuCompareISOLatin1(params[0], "or") == 0)
retval = (void *)GXor;
else if (XmuCompareISOLatin1(params[0], "nor") == 0)
retval = (void *)GXnor;
else if (XmuCompareISOLatin1(params[0], "equiv") == 0)
retval = (void *)GXequiv;
else if (XmuCompareISOLatin1(params[0], "invert") == 0)
retval = (void *)GXinvert;
else if (XmuCompareISOLatin1(params[0], "orreverse") == 0)
retval = (void *)GXorReverse;
else if (XmuCompareISOLatin1(params[0], "copyinverted") == 0)
retval = (void *)GXcopyInverted;
else if (XmuCompareISOLatin1(params[0], "nand") == 0)
retval = (void *)GXnand;
}
break;
case PLANEMASK:
if (*num_params == 1)
retval = (void *)read_int(params[0], NULL);
break;
case DSTRING:
case PSTRING:
if (*num_params == 3)
{
XawDLStringArgs *string = (XawDLStringArgs *)
XtCalloc(1, sizeof(XawDLStringArgs));
read_position(params[0], &string->pos[0]);
read_position(params[1], &string->pos[1]);
string->string = XtNewString(params[2]);
string->length = strlen(string->string);
retval = string;
}
break;
case FONT:
if (*num_params == 1)
retval = (void *)XLoadFont(DisplayOfScreen(screen), params[0]);
break;
case DASHES:
if (*num_params && *num_params < 127)
{
char *dashes;
dashes = XtMalloc(*num_params + 1);
for (i = 0; i < *num_params; i++)
dashes[i + 1] = read_int(params[i], NULL);
*dashes = *num_params;
retval = dashes;
}
break;
case SUBWMODE:
if (*num_params == 1)
{
if (XmuCompareISOLatin1(params[0], "clipbychildren") == 0)
retval = (void *)ClipByChildren;
else if (XmuCompareISOLatin1(params[0], "includeinferiors") == 0)
retval = (void *)IncludeInferiors;
}
break;
case EXPOSURES:
if (*num_params == 1)
{
if (isdigit(params[0][0]) || params[0][0] == '+' || params[0][0] == '-')
retval = (void *)read_int(params[0], NULL);
else if (XmuCompareISOLatin1(params[0], "true") == 0 ||
XmuCompareISOLatin1(params[0], "on") == 0)
retval = (void *)True;
else if (XmuCompareISOLatin1(params[0], "false") == 0 ||
XmuCompareISOLatin1(params[0], "off") == 0)
retval = (void *)False;
}
break;
case CLIPMASK:
if (*num_params == 1)
retval = (void *)XawLoadPixmap(params[0], screen, colormap, 1);
if (retval == NULL)
{
retval = XAWDL_CONVERT_ERROR;
XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0],
XtRPixmap);
}
break;
case COPYAREA:
case COPYPLANE:
if (*num_params > 2 && *num_params <= 7 + (id == COPYPLANE))
{
XawDLCopyArgs *args = (XawDLCopyArgs *)
XtCalloc(1, sizeof(XawDLCopyArgs));
retval = args;
if (params[0][0] == '\0' || strcmp(params[0], ".") == 0)
args->pixmap = NULL;
else
{
args->pixmap = XawLoadPixmap(params[0], screen, colormap, id == COPYPLANE ? 1 : depth);
if (args->pixmap == NULL)
{
XtDisplayStringConversionWarning(DisplayOfScreen(screen), (String)params[0],
XtRBitmap);
retval = XAWDL_CONVERT_ERROR;
XtFree((char *)args);
}
}
if (retval != XAWDL_CONVERT_ERROR)
{
for (i = 1; i < *num_params && i < 7; i++)
read_position(params[i], &args->pos[i - 1]);
if (*num_params > 7)
args->plane = read_int(params[7], NULL);
}
}
break;
case IMAGE:
if (*num_params > 2 && *num_params <= 7)
{
XawDLImageArgs *args = (XawDLImageArgs *)
XtCalloc(1, sizeof(XawDLImageArgs));
retval = args;
args->pixmap = XawLoadPixmap(params[0], screen, colormap, depth);
if (args->pixmap == NULL)
{
XtDisplayStringConversionWarning(DisplayOfScreen(screen),
(String)params[0], XtRPixmap);
retval = XAWDL_CONVERT_ERROR;
XtFree((char *)args);
}
else
{
args->depth = depth;
for (i = 1; i < *num_params && i < 5; i++)
read_position(params[i], &args->pos[i - 1]);
}
}
break;
}
return (retval);
}
/* ARGSUSED */
static void *
_Xaw_Xlib_DataInitProc(String class_name,
Screen *screen, Colormap colormap, int depth)
{
XawXlibData *data;
Window tmp_win;
data = (XawXlibData *)XtMalloc(sizeof(XawXlibData));
tmp_win = XCreateWindow(DisplayOfScreen(screen),
RootWindowOfScreen(screen),
0, 0, 1, 1, 1, depth,
InputOutput, CopyFromParent, 0, NULL);
data->mask = 0;
data->gc = XCreateGC(DisplayOfScreen(screen), tmp_win, 0, &data->values);
XDestroyWindow(DisplayOfScreen(screen), tmp_win);
data->shape = Complex;
data->mode = CoordModeOrigin;
data->dashes = NULL;
return ((void *)data);
}
/* ARGSUSED */
static void
_Xaw_Xlib_ArgsDestructor(Display *display, String proc_name, XtPointer args,
String *params, Cardinal *num_params)
{
Cardinal id;
Dl_init *init;
init = (Dl_init *)bsearch(proc_name, dl_init,
sizeof(dl_init) / sizeof(dl_init[0]),
sizeof(dl_init[0]),
bcmp_cvt_proc);
id = init->id;
switch (id)
{
case LINE:
case DRECT:
case FRECT:
case DARC:
case FARC:
case POINT:
case TSORIGIN:
case DASHES:
case CLIPORIGIN:
case COPYAREA:
case COPYPLANE:
case IMAGE:
XtFree(args);
break;
case DSTRING:
case PSTRING:
{
XawDLStringArgs *string = (XawDLStringArgs *)args;
XtFree(string->string);
XtFree(args);
} break;
case DLINES:
case FPOLY:
case POINTS:
case SEGMENTS:
case CLIPRECTS:
{
XawDLPositionPtr *ptr = (XawDLPositionPtr *)args;
XtFree((char *)ptr->pos);
XtFree(args);
} break;
}
}
/* ARGSUSED */
static void
_Xaw_Xlib_DataDestructor(Display *display, String class_name, XtPointer data)
{
if (data)
{
XawXlibData *xdata = (XawXlibData *)data;
XFreeGC(display, xdata->gc);
if (xdata->dashes)
XtFree(xdata->dashes);
XtFree((char *)data);
}
}
/* Start of DLInfo Management Functions */
static int
qcmp_dlist_info(register _Xconst void *left, register _Xconst void *right)
{
return (strcmp((*(XawDLInfo **)left)->name, (*(XawDLInfo **)right)->name));
}
Bool XawDeclareDisplayListProc(XawDLClass *lc, String name,
XawDisplayListProc proc)
{
XawDLInfo *info;
if (!lc || !proc || !name || name[0] == '\0')
return (False);
if ((info = _XawFindDLInfo(lc, name)) != NULL)
/* Since the data structures to the displayList classes are(should be)
* opaque, it is not a good idea to allow overriding a displayList
* procedure; it's better to choose another name or class name!
*/
return (False);
info = (XawDLInfo *)XtMalloc(sizeof(XawDLInfo));
info->name = XtNewString(name);
info->qname = XrmStringToQuark(info->name);
info->proc = proc;
if (!lc->num_infos)
{
lc->num_infos = 1;
lc->infos = (XawDLInfo **)XtMalloc(sizeof(XawDLInfo*));
}
else
{
++lc->num_infos;
lc->infos = (XawDLInfo **)
XtRealloc((char *)lc->infos, sizeof(XawDLInfo*) * lc->num_infos);
}
lc->infos[lc->num_infos - 1] = info;
if (lc->num_infos > 1)
qsort(lc->infos, lc->num_infos, sizeof(XawDLInfo*), qcmp_dlist_info);
return (True);
}
static int
bcmp_dlist_info(register _Xconst void *string,
register _Xconst void *dlinfo)
{
return (strcmp((String)string, (*(XawDLClass **)dlinfo)->name));
}
static XawDLInfo *
_XawFindDLInfo(XawDLClass *lc, String name)
{
XawDLInfo **info;
if (!lc->infos)
return (NULL);
info = (XawDLInfo **)bsearch(name, lc->infos, lc->num_infos,
sizeof(XawDLInfo*), bcmp_dlist_info);
return (info ? *info : NULL);
}
/* Start of DLClass Management Functions */
XawDLClass *
XawGetDisplayListClass(String name)
{
return (_XawFindDLClass(name));
}
static int
qcmp_dlist_class(register _Xconst void *left, register _Xconst void *right)
{
return (strcmp((*(XawDLClass **)left)->name, (*(XawDLClass **)right)->name));
}
XawDLClass *
XawCreateDisplayListClass(String name,
XawDLArgsInitProc args_init,
XawDLArgsDestructor args_destructor,
XawDLDataInitProc data_init,
XawDLDataDestructor data_destructor)
{
XawDLClass *lc;
if (!name || name[0] == '\0')
return (NULL);
lc = (XawDLClass *)XtMalloc(sizeof(XawDLClass));
lc->name = XtNewString(name);
lc->infos = NULL;
lc->num_infos = 0;
lc->args_init = args_init;
lc->args_destructor = args_destructor;
lc->data_init = data_init;
lc->data_destructor = data_destructor;
if (!classes)
{
num_classes = 1;
classes = (XawDLClass **)XtMalloc(sizeof(XawDLClass));
}
else
{
++num_classes;
classes = (XawDLClass **)XtRealloc((char *)classes,
sizeof(XawDLClass) * num_classes);
}
classes[num_classes - 1] = lc;
if (num_classes > 1)
qsort(&classes[0], num_classes, sizeof(XawDLClass*), qcmp_dlist_class);
return (lc);
}
static int
bcmp_dlist_class(register _Xconst void *string,
register _Xconst void *dlist)
{
return (strcmp((String)string, (*(XawDLClass **)dlist)->name));
}
static XawDLClass *
_XawFindDLClass(String name)
{
XawDLClass **lc;
if (!classes)
return (NULL);
lc = (XawDLClass **)bsearch(name, &classes[0], num_classes,
sizeof(XawDLClass*), bcmp_dlist_class);
return (lc ? *lc : NULL);
}
#endif /* OLDXAW */
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