XKBSetGeom.c   [plain text]

/* $Xorg: XKBSetGeom.c,v 1.3 2000/08/17 19:45:03 cpqbld Exp $ */
/************************************************************
Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.

Permission to use, copy, modify, and distribute this
software and its documentation for any purpose and without
fee is hereby granted, provided that the above copyright
notice appear in all copies and that both that copyright
notice and this permission notice appear in supporting
documentation, and that the name of Silicon Graphics not be 
used in advertising or publicity pertaining to distribution 
of the software without specific prior written permission.
Silicon Graphics makes no representation about the suitability 
of this software for any purpose. It is provided "as is"
without any express or implied warranty.

SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 
DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.

********************************************************/
/* $XFree86: xc/lib/X11/XKBSetGeom.c,v 3.6 2003/11/17 22:20:10 dawes Exp $ */

#ifdef DEBUG
#include <stdio.h>
#endif

#define NEED_EVENTS
#define NEED_REPLIES
#include "Xlibint.h"
#include "XKBlibint.h"
#include <X11/extensions/XKBgeom.h>
#include <X11/extensions/XKBproto.h>

#ifndef MINSHORT
#define	MINSHORT	-32768
#endif
#ifndef MAXSHORT
#define	MAXSHORT	32767
#endif

/***====================================================================***/

#define	_SizeCountedString(s)  ((s)?XkbPaddedSize(2+strlen(s)):4)

static char *
_WriteCountedString(char *wire,char *str)
{
CARD16	len,*pLen;

    len= (str?strlen(str):0);
    pLen= (CARD16 *)wire;
    *pLen= len;
    if (len && str)
	memcpy(&wire[2],str,len);
    wire+= XkbPaddedSize(len+2);
    return wire;
}

static int
_SizeGeomProperties(XkbGeometryPtr geom)
{
register int 	i,size;
XkbPropertyPtr	prop;
    
    for (size=i=0,prop=geom->properties;i<geom->num_properties;i++,prop++) {
	size+= _SizeCountedString(prop->name);
	size+= _SizeCountedString(prop->value);
    }
    return size;
}

static int
_SizeGeomColors(XkbGeometryPtr geom)
{
register int 		i,size;
register XkbColorPtr	color;

    for (i=size=0,color=geom->colors;i<geom->num_colors;i++,color++) {
	size+= _SizeCountedString(color->spec);
    }
    return size;
}

static int
_SizeGeomShapes(XkbGeometryPtr geom)
{
register int		i,size;
register XkbShapePtr	shape;

    for (i=size=0,shape=geom->shapes;i<geom->num_shapes;i++,shape++) {
	register int		n;
	register XkbOutlinePtr	ol;
	size+= SIZEOF(xkbShapeWireDesc);
	for (n=0,ol=shape->outlines;n<shape->num_outlines;n++,ol++) {
	    size+= SIZEOF(xkbOutlineWireDesc);
	    size+= ol->num_points*SIZEOF(xkbPointWireDesc);
	}
    }
    return size;
}

static int
_SizeGeomDoodads(int num_doodads,XkbDoodadPtr doodad)
{
register int	i,size;

    for (i=size=0;i<num_doodads;i++,doodad++) {
	size+= SIZEOF(xkbAnyDoodadWireDesc);
	if (doodad->any.type==XkbTextDoodad) {
	    size+= _SizeCountedString(doodad->text.text);
	    size+= _SizeCountedString(doodad->text.font);
	}
	else if (doodad->any.type==XkbLogoDoodad) {
	    size+= _SizeCountedString(doodad->logo.logo_name);
	}
    }
    return size;
}

static int
_SizeGeomSections(XkbGeometryPtr geom)
{
register int 	i,size;
XkbSectionPtr	section;

    for (i=size=0,section=geom->sections;i<geom->num_sections;i++,section++) {
	size+= SIZEOF(xkbSectionWireDesc);
	if (section->rows) {
	    int		r;
	    XkbRowPtr	row;
	    for (r=0,row=section->rows;r<section->num_rows;row++,r++) {
		size+= SIZEOF(xkbRowWireDesc);
		size+= row->num_keys*SIZEOF(xkbKeyWireDesc);
	    }
	}
	if (section->doodads)
	    size+= _SizeGeomDoodads(section->num_doodads,section->doodads);
	if (section->overlays) {
	    int			o;
	    XkbOverlayPtr	ol;
	    for (o=0,ol=section->overlays;o<section->num_overlays;o++,ol++) {
		int			r;
		XkbOverlayRowPtr	row;
		size+= SIZEOF(xkbOverlayWireDesc);
		for (r=0,row=ol->rows;r<ol->num_rows;r++,row++) {
		   size+= SIZEOF(xkbOverlayRowWireDesc);
		   size+= row->num_keys*SIZEOF(xkbOverlayKeyWireDesc);
		}
	    }
	}
    }
    return size;
}

static int
_SizeGeomKeyAliases(XkbGeometryPtr geom)
{
    return geom->num_key_aliases*(2*XkbKeyNameLength);
}

/***====================================================================***/

static char *
_WriteGeomProperties(char *wire,XkbGeometryPtr geom)
{
register int 	i;
register XkbPropertyPtr	prop;
    
    for (i=0,prop=geom->properties;i<geom->num_properties;i++,prop++) {
	wire= _WriteCountedString(wire,prop->name);
	wire= _WriteCountedString(wire,prop->value);
    }
    return wire;
}

static char *
_WriteGeomColors(char *wire,XkbGeometryPtr geom)
{
register int		i;
register XkbColorPtr	color;

    for (i=0,color=geom->colors;i<geom->num_colors;i++,color++) {
	wire= _WriteCountedString(wire,color->spec);
    }
    return wire;
}

static char *
_WriteGeomShapes(char *wire,XkbGeometryPtr geom)
{
int			i;
XkbShapePtr		shape;
xkbShapeWireDesc *	shapeWire;

    for (i=0,shape=geom->shapes;i<geom->num_shapes;i++,shape++) {
	register int 		o;
	XkbOutlinePtr		ol;
	xkbOutlineWireDesc *	olWire;
	shapeWire= (xkbShapeWireDesc *)wire;
	shapeWire->name= shape->name;
	shapeWire->nOutlines= shape->num_outlines;
	if (shape->primary!=NULL)
	     shapeWire->primaryNdx= XkbOutlineIndex(shape,shape->primary);
	else shapeWire->primaryNdx= XkbNoShape;
	if (shape->approx!=NULL)
	     shapeWire->approxNdx= XkbOutlineIndex(shape,shape->approx);
	else shapeWire->approxNdx= XkbNoShape;
	wire= (char *)&shapeWire[1];
	for (o=0,ol=shape->outlines;o<shape->num_outlines;o++,ol++) {
	    register int	p;
	    XkbPointPtr		pt;
	    xkbPointWireDesc *	ptWire;
	    olWire= (xkbOutlineWireDesc *)wire;
	    olWire->nPoints= ol->num_points;
	    olWire->cornerRadius= ol->corner_radius;
	    wire= (char *)&olWire[1];
	    ptWire= (xkbPointWireDesc *)wire;
	    for (p=0,pt=ol->points;p<ol->num_points;p++,pt++) {
		ptWire[p].x= pt->x;
		ptWire[p].y= pt->y;
	    }
	    wire= (char *)&ptWire[ol->num_points];
	}
    }
    return wire;
}

static char *
_WriteGeomDoodads(char *wire,int num_doodads,XkbDoodadPtr doodad)
{
register int		i;
xkbDoodadWireDesc *	doodadWire;

    for (i=0;i<num_doodads;i++,doodad++) {
	doodadWire= (xkbDoodadWireDesc *)wire;
	wire= (char *)&doodadWire[1];
	bzero(doodadWire,SIZEOF(xkbDoodadWireDesc));
	doodadWire->any.name= doodad->any.name;
	doodadWire->any.type= doodad->any.type;
	doodadWire->any.priority= doodad->any.priority;
	doodadWire->any.top= doodad->any.top;
	doodadWire->any.left= doodad->any.left;
	doodadWire->any.angle= doodad->any.angle;
	switch (doodad->any.type) {
	    case XkbOutlineDoodad:
	    case XkbSolidDoodad:
		doodadWire->shape.colorNdx= doodad->shape.color_ndx;
		doodadWire->shape.shapeNdx= doodad->shape.shape_ndx;
		break;
	    case XkbTextDoodad:
		doodadWire->text.width= doodad->text.width;
		doodadWire->text.height= doodad->text.height;
		doodadWire->text.colorNdx= doodad->text.color_ndx;
		wire= _WriteCountedString(wire,doodad->text.text);
		wire= _WriteCountedString(wire,doodad->text.font);
		break;
	    case XkbIndicatorDoodad:
		doodadWire->indicator.shapeNdx= doodad->indicator.shape_ndx;
		doodadWire->indicator.onColorNdx=doodad->indicator.on_color_ndx;
		doodadWire->indicator.offColorNdx=
						doodad->indicator.off_color_ndx;
		break;
	    case XkbLogoDoodad:
		doodadWire->logo.colorNdx= doodad->logo.color_ndx;
		doodadWire->logo.shapeNdx= doodad->logo.shape_ndx;
		wire= _WriteCountedString(wire,doodad->logo.logo_name);
		break;
	    default:
		break;
	}
    }
    return wire;
}

static char *
_WriteGeomOverlay(char *wire,XkbOverlayPtr ol)
{
register int		r;
XkbOverlayRowPtr	row;
xkbOverlayWireDesc *	olWire;

   olWire= (xkbOverlayWireDesc *)wire;
   olWire->name= ol->name;
   olWire->nRows= ol->num_rows;
   wire= (char *)&olWire[1];
   for (r=0,row=ol->rows;r<ol->num_rows;r++,row++) {
   	unsigned int		k;
	XkbOverlayKeyPtr	key;
	xkbOverlayRowWireDesc *	rowWire;
	rowWire= (xkbOverlayRowWireDesc *)wire;
	rowWire->rowUnder= row->row_under;
	rowWire->nKeys= row->num_keys;
	wire= (char *)&rowWire[1];
	for (k=0,key=row->keys;k<row->num_keys;k++,key++) {
	    xkbOverlayKeyWireDesc *	keyWire;
	    keyWire= (xkbOverlayKeyWireDesc *)wire;
	    memcpy(keyWire->over,key->over.name,XkbKeyNameLength);
	    memcpy(keyWire->under,key->under.name,XkbKeyNameLength);
	    wire= (char *)&keyWire[1];
	}
   }
   return wire;
}

static char *
_WriteGeomSections(char *wire,XkbGeometryPtr geom)
{
register int		i;
XkbSectionPtr		section;
xkbSectionWireDesc *	sectionWire;

    for (i=0,section=geom->sections;i<geom->num_sections;i++,section++) {
	sectionWire= (xkbSectionWireDesc *)wire;
	sectionWire->name= section->name;
	sectionWire->top= section->top;
	sectionWire->left= section->left;
	sectionWire->width= section->width;
	sectionWire->height= section->height;
	sectionWire->angle= section->angle;
	sectionWire->priority= section->priority;
	sectionWire->nRows= section->num_rows;
	sectionWire->nDoodads= section->num_doodads;
	sectionWire->nOverlays= section->num_overlays;
	sectionWire->pad= 0;
	wire= (char *)&sectionWire[1];
	if (section->rows) {
	    int			r;
	    XkbRowPtr		row;
	    xkbRowWireDesc *	rowWire;
	    for (r=0,row=section->rows;r<section->num_rows;r++,row++) {
		rowWire= (xkbRowWireDesc *)wire;
		rowWire->top= row->top;
		rowWire->left= row->left;
		rowWire->nKeys= row->num_keys;
		rowWire->vertical= row->vertical;
		rowWire->pad= 0;
		wire= (char *)&rowWire[1];
		if (row->keys) {
		    int			k;
		    XkbKeyPtr		key;
		    xkbKeyWireDesc *	keyWire;
		    keyWire= (xkbKeyWireDesc *)wire;
		    for (k=0,key=row->keys;k<row->num_keys;k++,key++) {
			memcpy(keyWire[k].name,key->name.name,XkbKeyNameLength);
			keyWire[k].gap= key->gap;
			keyWire[k].shapeNdx= key->shape_ndx;
			keyWire[k].colorNdx= key->color_ndx;
		    }
		    wire= (char *)&keyWire[row->num_keys];
		}
	    }
	}
	if (section->doodads) {
	    wire= _WriteGeomDoodads(wire,
	    			      section->num_doodads,section->doodads);
	}
	if (section->overlays) {
	    register int o;
	    for (o=0;o<section->num_overlays;o++) {
		wire= _WriteGeomOverlay(wire,&section->overlays[o]);
	    }
	}
    }
    return wire;
}

static char *
_WriteGeomKeyAliases(char *wire,XkbGeometryPtr geom)
{
register int sz;
    
    sz= geom->num_key_aliases*(XkbKeyNameLength*2);
    if (sz>0) {
	memcpy(wire,(char *)geom->key_aliases,sz);
	wire+= sz;
    }
    return wire;
}

/***====================================================================***/

static Status
_SendSetGeometry(Display *dpy,XkbGeometryPtr geom,xkbSetGeometryReq *req)
{
int			sz;
char *			wire,*tbuf;

    sz= 0;
    sz+= _SizeCountedString(geom->label_font);
    sz+= _SizeGeomProperties(geom);
    sz+= _SizeGeomColors(geom);
    sz+= _SizeGeomShapes(geom);
    sz+= _SizeGeomSections(geom);
    sz+= _SizeGeomDoodads(geom->num_doodads,geom->doodads);
    sz+= _SizeGeomKeyAliases(geom);
    req->length+= (sz/4);
    if (sz<BUFSIZE) {
	BufAlloc(char *,wire,sz);
	tbuf= NULL;
    }
    else {
	tbuf= _XAllocTemp(dpy,sz);
	if (!tbuf)
	    return BadAlloc;
	wire= tbuf;
    }
    wire= _WriteCountedString(wire,geom->label_font);
    if (geom->num_properties>0)
	wire= _WriteGeomProperties(wire,geom);
    if (geom->num_colors>0)
	wire= _WriteGeomColors(wire,geom);
    if (geom->num_shapes>0)
	wire= _WriteGeomShapes(wire,geom);
    if (geom->num_sections>0)
	wire= _WriteGeomSections(wire,geom);
    if (geom->num_doodads>0)
	wire= _WriteGeomDoodads(wire,geom->num_doodads,geom->doodads);
    if (geom->num_key_aliases>0)
	wire= _WriteGeomKeyAliases(wire,geom);
    if (tbuf!=NULL) {
	Data(dpy,tbuf,sz);
	_XFreeTemp(dpy,tbuf,sz);
    }
    return Success;
}

/***====================================================================***/

Status
XkbSetGeometry(Display *dpy,unsigned deviceSpec,XkbGeometryPtr geom)
{
xkbSetGeometryReq	*req;
Status ret;

    if ( (!geom) || (dpy->flags & XlibDisplayNoXkb) ||
	(!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)))
	return BadAccess;
    
    GetReq(kbSetGeometry, req);
    req->reqType = dpy->xkb_info->codes->major_opcode;
    req->xkbReqType = X_kbSetGeometry;
    req->deviceSpec = deviceSpec;
    req->nShapes= geom->num_shapes;
    req->nSections= geom->num_sections;
    req->name= geom->name;
    req->widthMM= geom->width_mm;
    req->heightMM= geom->height_mm;
    req->nProperties= geom->num_properties;
    req->nColors= geom->num_colors;
    req->nDoodads= geom->num_doodads;
    req->nKeyAliases= geom->num_key_aliases;
    req->baseColorNdx= (geom->base_color-geom->colors);
    req->labelColorNdx= (geom->label_color-geom->colors);

    ret = _SendSetGeometry(dpy,geom,req);
    UnlockDisplay(dpy);
    SyncHandle();
    return ret;
}