diff options
Diffstat (limited to 'libX11/src/xkb/XKBGeom.c')
| -rw-r--r-- | libX11/src/xkb/XKBGeom.c | 696 |
1 files changed, 696 insertions, 0 deletions
diff --git a/libX11/src/xkb/XKBGeom.c b/libX11/src/xkb/XKBGeom.c new file mode 100644 index 000000000..6eca6d5b0 --- /dev/null +++ b/libX11/src/xkb/XKBGeom.c @@ -0,0 +1,696 @@ +/* $Xorg: XKBGeom.c,v 1.4 2000/08/17 19:45:01 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/XKBGeom.c,v 1.5 2003/04/13 19:22:18 dawes Exp $ */ + +#ifdef DEBUG +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#endif + +#define NEED_EVENTS +#define NEED_REPLIES +#define NEED_MAP_READERS +#include "Xlibint.h" +#include <X11/extensions/XKBgeom.h> +#include <X11/extensions/XKBproto.h> +#include "XKBlibint.h" + +#ifndef MINSHORT +#define MINSHORT -32768 +#endif +#ifndef MAXSHORT +#define MAXSHORT 32767 +#endif + +/***====================================================================***/ + +static void +_XkbCheckBounds(XkbBoundsPtr bounds,int x,int y) +{ + if (x<bounds->x1) bounds->x1= x; + if (x>bounds->x2) bounds->x2= x; + if (y<bounds->y1) bounds->y1= y; + if (y>bounds->y2) bounds->y2= y; + return; +} + +Bool +XkbComputeShapeBounds(XkbShapePtr shape) +{ +register int o,p; +XkbOutlinePtr outline; +XkbPointPtr pt; + + if ((!shape)||(shape->num_outlines<1)) + return False; + shape->bounds.x1= shape->bounds.y1= MAXSHORT; + shape->bounds.x2= shape->bounds.y2= MINSHORT; + for (outline=shape->outlines,o=0;o<shape->num_outlines;o++,outline++) { + for (pt=outline->points,p=0;p<outline->num_points;p++,pt++) { + _XkbCheckBounds(&shape->bounds,pt->x,pt->y); + } + if (outline->num_points<2) { + _XkbCheckBounds(&shape->bounds,0,0); + } + } + return True; +} + +Bool +XkbComputeShapeTop(XkbShapePtr shape,XkbBoundsPtr bounds) +{ +register int p; +XkbOutlinePtr outline; +XkbPointPtr pt; + + if ((!shape)||(shape->num_outlines<1)) + return False; + if (shape->approx) outline= shape->approx; + else outline= &shape->outlines[shape->num_outlines-1]; + if (outline->num_points<2) { + bounds->x1= bounds->y1= 0; + bounds->x2= bounds->y2= 0; + } + else { + bounds->x1= bounds->y1= MAXSHORT; + bounds->x2= bounds->y2= MINSHORT; + } + for (pt=outline->points,p=0;p<outline->num_points;p++,pt++) { + _XkbCheckBounds(bounds,pt->x,pt->y); + } + return True; +} + +Bool +XkbComputeRowBounds(XkbGeometryPtr geom,XkbSectionPtr section,XkbRowPtr row) +{ +register int k,pos; +XkbKeyPtr key; +XkbBoundsPtr bounds,sbounds; + + if ((!geom)||(!section)||(!row)) + return False; + pos= 0; + bounds= &row->bounds; + bzero(bounds,sizeof(XkbBoundsRec)); + for (key=row->keys,pos=k=0;k<row->num_keys;k++,key++) { + sbounds= &XkbKeyShape(geom,key)->bounds; + _XkbCheckBounds(bounds,pos,0); + if (!row->vertical) { + if (key->gap!=0) { + pos+= key->gap; + _XkbCheckBounds(bounds,pos,0); + } + _XkbCheckBounds(bounds,pos+sbounds->x1,sbounds->y1); + _XkbCheckBounds(bounds,pos+sbounds->x2,sbounds->y2); + pos+= sbounds->x2; + } + else { + if (key->gap!=0) { + pos+= key->gap; + _XkbCheckBounds(bounds,0,pos); + } + _XkbCheckBounds(bounds,pos+sbounds->x1,sbounds->y1); + _XkbCheckBounds(bounds,pos+sbounds->x2,sbounds->y2); + pos+= sbounds->y2; + } + } + return True; +} + +Bool +XkbComputeSectionBounds(XkbGeometryPtr geom,XkbSectionPtr section) +{ +register int i; +XkbShapePtr shape; +XkbRowPtr row; +XkbDoodadPtr doodad; +XkbBoundsPtr bounds,rbounds=NULL; + + if ((!geom)||(!section)) + return False; + bounds= §ion->bounds; + bzero(bounds,sizeof(XkbBoundsRec)); + for (i=0,row=section->rows;i<section->num_rows;i++,row++) { + if (!XkbComputeRowBounds(geom,section,row)) + return False; + rbounds= &row->bounds; + _XkbCheckBounds(bounds,row->left+rbounds->x1,row->top+rbounds->y1); + _XkbCheckBounds(bounds,row->left+rbounds->x2,row->top+rbounds->y2); + } + for (i=0,doodad=section->doodads;i<section->num_doodads;i++,doodad++) { + static XkbBoundsRec tbounds; + switch (doodad->any.type) { + case XkbOutlineDoodad: + case XkbSolidDoodad: + shape= XkbShapeDoodadShape(geom,&doodad->shape); + rbounds= &shape->bounds; + break; + case XkbTextDoodad: + tbounds.x1= doodad->text.left; + tbounds.y1= doodad->text.top; + tbounds.x2= tbounds.x1+doodad->text.width; + tbounds.y2= tbounds.y1+doodad->text.height; + rbounds= &tbounds; + break; + case XkbIndicatorDoodad: + shape= XkbIndicatorDoodadShape(geom,&doodad->indicator); + rbounds= &shape->bounds; + break; + case XkbLogoDoodad: + shape= XkbLogoDoodadShape(geom,&doodad->logo); + rbounds= &shape->bounds; + break; + default: + tbounds.x1= tbounds.x2= doodad->any.left; + tbounds.y1= tbounds.y2= doodad->any.top; + break; + } + _XkbCheckBounds(bounds,rbounds->x1,rbounds->y1); + _XkbCheckBounds(bounds,rbounds->x2,rbounds->y2); + } + return True; +} + +/***====================================================================***/ + +char * +XkbFindOverlayForKey(XkbGeometryPtr geom,XkbSectionPtr wanted,char *under) +{ +int s; +XkbSectionPtr section; + + if ((geom==NULL)||(under==NULL)||(geom->num_sections<1)) + return NULL; + + if (wanted) + section= wanted; + else section= geom->sections; + + for (s=0;s<geom->num_sections;s++,section++) { + XkbOverlayPtr ol; + int o; + + if (section->num_overlays<1) + continue; + for (o=0,ol=section->overlays;o<section->num_overlays;o++,ol++) { + XkbOverlayRowPtr row; + int r; + + for (r=0,row=ol->rows;r<ol->num_rows;r++,row++) { + XkbOverlayKeyPtr key; + int k; + for (k=0,key=row->keys;k<row->num_keys;k++,key++) { + if (strncmp(under,key->under.name,XkbKeyNameLength)==0) + return key->over.name; + } + } + } + if (wanted!=NULL) + break; + } + return NULL; +} + +/***====================================================================***/ + +static Status +_XkbReadGeomProperties( XkbReadBufferPtr buf, + XkbGeometryPtr geom, + xkbGetGeometryReply * rep) +{ +Status rtrn; + + if (rep->nProperties<1) + return Success; + if ((rtrn=XkbAllocGeomProps(geom,rep->nProperties))==Success) { + register int i; + register Bool ok; + char *name,*value; + ok= True; + for (i=0;(i<rep->nProperties)&&ok;i++) { + name=NULL; + value=NULL; + ok= _XkbGetReadBufferCountedString(buf,&name)&&ok; + ok= _XkbGetReadBufferCountedString(buf,&value)&&ok; + ok= ok&&(XkbAddGeomProperty(geom,name,value)!=NULL); + if (name) + _XkbFree(name); + if (value) + _XkbFree(value); + } + if (ok) rtrn= Success; + else rtrn= BadLength; + } + return rtrn; +} + +static Status +_XkbReadGeomKeyAliases( XkbReadBufferPtr buf, + XkbGeometryPtr geom, + xkbGetGeometryReply * rep) +{ +Status rtrn; + + if (rep->nKeyAliases<1) + return Success; + if ((rtrn=XkbAllocGeomKeyAliases(geom,rep->nKeyAliases))==Success) { + if (!_XkbCopyFromReadBuffer(buf,(char *)geom->key_aliases, + (rep->nKeyAliases*XkbKeyNameLength*2))) + return BadLength; + geom->num_key_aliases= rep->nKeyAliases; + return Success; + } + else { /* alloc failed, just skip the aliases */ + _XkbSkipReadBufferData(buf,(rep->nKeyAliases*XkbKeyNameLength*2)); + } + return rtrn; +} + +static Status +_XkbReadGeomColors( XkbReadBufferPtr buf, + XkbGeometryPtr geom, + xkbGetGeometryReply * rep) +{ +Status rtrn; + + if (rep->nColors<1) + return Success; + if ((rtrn=XkbAllocGeomColors(geom,rep->nColors))==Success) { + register int i; + char *spec; + for (i=0;i<rep->nColors;i++) { + spec = NULL; + if (!_XkbGetReadBufferCountedString(buf,&spec)) + rtrn = BadLength; + else if (XkbAddGeomColor(geom,spec,geom->num_colors)==NULL) + rtrn = BadAlloc; + if (spec) + _XkbFree(spec); + if (rtrn != Success) + return rtrn; + } + return Success; + } + return rtrn; +} + +static Status +_XkbReadGeomShapes( XkbReadBufferPtr buf, + XkbGeometryPtr geom, + xkbGetGeometryReply * rep) +{ +register int i; +Status rtrn; + + if (rep->nShapes<1) + return Success; + if ((rtrn=XkbAllocGeomShapes(geom,rep->nShapes))!=Success) + return rtrn; + for (i=0;i<rep->nShapes;i++) { + xkbShapeWireDesc *shapeWire; + XkbShapePtr shape; + register int o; + shapeWire= (xkbShapeWireDesc *) + _XkbGetReadBufferPtr(buf,SIZEOF(xkbShapeWireDesc)); + if (!shapeWire) + return BadLength; + shape= XkbAddGeomShape(geom,shapeWire->name,shapeWire->nOutlines); + if (!shape) + return BadAlloc; + for (o=0;o<shapeWire->nOutlines;o++) { + xkbOutlineWireDesc *olWire; + XkbOutlinePtr ol; + register int p; + XkbPointPtr pt; + olWire= (xkbOutlineWireDesc *) + _XkbGetReadBufferPtr(buf,SIZEOF(xkbOutlineWireDesc)); + if (!olWire) + return BadLength; + ol= XkbAddGeomOutline(shape,olWire->nPoints); + if (!ol) + return BadAlloc; + ol->corner_radius= olWire->cornerRadius; + for (p=0,pt=ol->points;p<olWire->nPoints;p++,pt++) { + xkbPointWireDesc * ptWire; + ptWire= (xkbPointWireDesc *) + _XkbGetReadBufferPtr(buf,SIZEOF(xkbPointWireDesc)); + if (!ptWire) + return BadLength; + pt->x= ptWire->x; + pt->y= ptWire->y; + } + ol->num_points= olWire->nPoints; + } + if (shapeWire->primaryNdx!=XkbNoShape) + shape->primary= &shape->outlines[shapeWire->primaryNdx]; + else shape->primary= NULL; + if (shapeWire->approxNdx!=XkbNoShape) + shape->approx= &shape->outlines[shapeWire->approxNdx]; + else shape->approx= NULL; + XkbComputeShapeBounds(shape); + } + return Success; +} + +static Status +_XkbReadGeomDoodad( XkbReadBufferPtr buf, + XkbGeometryPtr geom, + XkbSectionPtr section) +{ +XkbDoodadPtr doodad; +xkbDoodadWireDesc * doodadWire; + + doodadWire= (xkbDoodadWireDesc *) + _XkbGetReadBufferPtr(buf,SIZEOF(xkbDoodadWireDesc)); + if (!doodadWire) + return BadLength; + doodad= XkbAddGeomDoodad(geom,section,doodadWire->any.name); + if (!doodad) + return BadAlloc; + doodad->any.type= doodadWire->any.type; + doodad->any.priority= doodadWire->any.priority; + doodad->any.top= doodadWire->any.top; + doodad->any.left= doodadWire->any.left; + doodad->any.angle= doodadWire->any.angle; + switch (doodad->any.type) { + case XkbOutlineDoodad: + case XkbSolidDoodad: + doodad->shape.color_ndx= doodadWire->shape.colorNdx; + doodad->shape.shape_ndx= doodadWire->shape.shapeNdx; + break; + case XkbTextDoodad: + doodad->text.width= doodadWire->text.width; + doodad->text.height= doodadWire->text.height; + doodad->text.color_ndx= doodadWire->text.colorNdx; + if (!_XkbGetReadBufferCountedString(buf,&doodad->text.text)) + return BadLength; + if (!_XkbGetReadBufferCountedString(buf,&doodad->text.font)) + return BadLength; + break; + case XkbIndicatorDoodad: + doodad->indicator.shape_ndx= doodadWire->indicator.shapeNdx; + doodad->indicator.on_color_ndx= doodadWire->indicator.onColorNdx; + doodad->indicator.off_color_ndx= doodadWire->indicator.offColorNdx; + break; + case XkbLogoDoodad: + doodad->logo.color_ndx= doodadWire->logo.colorNdx; + doodad->logo.shape_ndx= doodadWire->logo.shapeNdx; + if (!_XkbGetReadBufferCountedString(buf,&doodad->logo.logo_name)) + return BadLength; + break; + default: + return BadValue; + } + return Success; +} + +static Status +_XkbReadGeomOverlay( XkbReadBufferPtr buf, + XkbGeometryPtr geom, + XkbSectionPtr section) +{ +XkbOverlayPtr ol; +xkbOverlayWireDesc * olWire; +register int r; + + olWire= (xkbOverlayWireDesc *) + _XkbGetReadBufferPtr(buf,SIZEOF(xkbOverlayWireDesc)); + if (olWire==NULL) + return BadLength; + ol= XkbAddGeomOverlay(section,olWire->name,olWire->nRows); + if (ol==NULL) + return BadLength; + for (r=0;r<olWire->nRows;r++) { + register int k; + XkbOverlayRowPtr row; + xkbOverlayRowWireDesc * rowWire; + xkbOverlayKeyWireDesc * keyWire; + rowWire= (xkbOverlayRowWireDesc *) + _XkbGetReadBufferPtr(buf,SIZEOF(xkbOverlayRowWireDesc)); + if (rowWire==NULL) + return BadLength; + row= XkbAddGeomOverlayRow(ol,rowWire->rowUnder,rowWire->nKeys); + row->row_under= rowWire->rowUnder; + if (!row) + return BadAlloc; + if (rowWire->nKeys<1) + continue; + keyWire= (xkbOverlayKeyWireDesc *) + _XkbGetReadBufferPtr(buf, + SIZEOF(xkbOverlayKeyWireDesc)*rowWire->nKeys); + if (keyWire==NULL) + return BadLength; + for (k=0;k<rowWire->nKeys;k++,keyWire++,row->num_keys++) { + memcpy(row->keys[row->num_keys].over.name,keyWire->over, + XkbKeyNameLength); + memcpy(row->keys[row->num_keys].under.name,keyWire->under, + XkbKeyNameLength); + } + } + return Success; +} + +static Status +_XkbReadGeomSections( XkbReadBufferPtr buf, + XkbGeometryPtr geom, + xkbGetGeometryReply * rep) +{ +register int s; +XkbSectionPtr section; +xkbSectionWireDesc * sectionWire; +Status rtrn; + + if (rep->nSections<1) + return Success; + if ((rtrn=XkbAllocGeomSections(geom,rep->nSections))!=Success) + return rtrn; + for (s=0;s<rep->nSections;s++) { + sectionWire= (xkbSectionWireDesc *) + _XkbGetReadBufferPtr(buf,SIZEOF(xkbSectionWireDesc)); + if (!sectionWire) + return BadLength; + section= XkbAddGeomSection(geom,sectionWire->name,sectionWire->nRows, + sectionWire->nDoodads, + sectionWire->nOverlays); + if (!section) + return BadAlloc; + section->top= sectionWire->top; + section->left= sectionWire->left; + section->width= sectionWire->width; + section->height= sectionWire->height; + section->angle= sectionWire->angle; + section->priority= sectionWire->priority; + if (sectionWire->nRows>0) { + register int r; + XkbRowPtr row; + xkbRowWireDesc * rowWire; + for (r=0;r<sectionWire->nRows;r++) { + rowWire= (xkbRowWireDesc *) + _XkbGetReadBufferPtr(buf,SIZEOF(xkbRowWireDesc)); + if (!rowWire) + return BadLength; + row= XkbAddGeomRow(section,rowWire->nKeys); + if (!row) + return BadAlloc; + row->top= rowWire->top; + row->left= rowWire->left; + row->vertical= rowWire->vertical; + if (rowWire->nKeys>0) { + register int k; + XkbKeyPtr key; + xkbKeyWireDesc * keyWire; + for (k=0;k<rowWire->nKeys;k++) { + keyWire= (xkbKeyWireDesc *) + _XkbGetReadBufferPtr(buf,SIZEOF(xkbKeyWireDesc)); + if (!keyWire) + return BadLength; + key= XkbAddGeomKey(row); + if (!key) + return BadAlloc; + memcpy(key->name.name,keyWire->name,XkbKeyNameLength); + key->gap= keyWire->gap; + key->shape_ndx= keyWire->shapeNdx; + key->color_ndx= keyWire->colorNdx; + } + } + } + } + if (sectionWire->nDoodads>0) { + register int d; + for (d=0;d<sectionWire->nDoodads;d++) { + if ((rtrn=_XkbReadGeomDoodad(buf,geom,section))!=Success) + return rtrn; + } + } + if (sectionWire->nOverlays>0) { + register int o; + for (o=0;o<sectionWire->nOverlays;o++) { + if ((rtrn=_XkbReadGeomOverlay(buf,geom,section))!=Success) + return rtrn; + } + } + } + return Success; +} + +static Status +_XkbReadGeomDoodads( XkbReadBufferPtr buf, + XkbGeometryPtr geom, + xkbGetGeometryReply * rep) +{ +register int d; +Status rtrn; + + if (rep->nDoodads<1) + return Success; + if ((rtrn=XkbAllocGeomDoodads(geom,rep->nDoodads))!=Success) + return rtrn; + for (d=0;d<rep->nDoodads;d++) { + if ((rtrn=_XkbReadGeomDoodad(buf,geom,NULL))!=Success) + return rtrn; + } + return Success; +} + +Status +_XkbReadGetGeometryReply( Display * dpy, + xkbGetGeometryReply * rep, + XkbDescPtr xkb, + int * nread_rtrn) +{ +XkbGeometryPtr geom; + + geom= _XkbTypedCalloc(1,XkbGeometryRec); + if (!geom) + return BadAlloc; + if (xkb->geom) + XkbFreeGeometry(xkb->geom,XkbGeomAllMask,True); + xkb->geom= geom; + + geom->name= rep->name; + geom->width_mm= rep->widthMM; + geom->height_mm= rep->heightMM; + if (rep->length) { + XkbReadBufferRec buf; + int left; + if (_XkbInitReadBuffer(dpy,&buf,(int)rep->length*4)) { + Status status= Success; + if (nread_rtrn) + *nread_rtrn= (int)rep->length*4; + if (!_XkbGetReadBufferCountedString(&buf,&geom->label_font)) + status= BadLength; + if (status==Success) + status= _XkbReadGeomProperties(&buf,geom,rep); + if (status==Success) + status= _XkbReadGeomColors(&buf,geom,rep); + if (status==Success) + status= _XkbReadGeomShapes(&buf,geom,rep); + if (status==Success) + status= _XkbReadGeomSections(&buf,geom,rep); + if (status==Success) + status= _XkbReadGeomDoodads(&buf,geom,rep); + if (status==Success) + status= _XkbReadGeomKeyAliases(&buf,geom,rep); + left= _XkbFreeReadBuffer(&buf); + if ((status!=Success) || left || buf.error) { + if (status==Success) + status= BadLength; + XkbFreeGeometry(geom,XkbGeomAllMask,True); + xkb->geom= NULL; + return status; + } + geom->base_color= &geom->colors[rep->baseColorNdx]; + geom->label_color= &geom->colors[rep->labelColorNdx]; + } + else { + XkbFreeGeometry(geom,XkbGeomAllMask,True); + xkb->geom= NULL; + return BadAlloc; + } + } + return Success; +} + +Status +XkbGetGeometry(Display *dpy,XkbDescPtr xkb) +{ +xkbGetGeometryReq *req; +xkbGetGeometryReply rep; +Status status; + + if ( (!xkb) || (dpy->flags & XlibDisplayNoXkb) || + (!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL))) + return BadAccess; + + LockDisplay(dpy); + GetReq(kbGetGeometry, req); + req->reqType = dpy->xkb_info->codes->major_opcode; + req->xkbReqType = X_kbGetGeometry; + req->deviceSpec = xkb->device_spec; + req->name= None; + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) + status = BadImplementation; + else if (!rep.found) + status = BadName; + else + status = _XkbReadGetGeometryReply(dpy,&rep,xkb,NULL); + UnlockDisplay(dpy); + SyncHandle(); + return status; +} + +Status +XkbGetNamedGeometry(Display *dpy,XkbDescPtr xkb,Atom name) +{ +xkbGetGeometryReq *req; +xkbGetGeometryReply rep; +Status status; + + if ( (name==None) || (dpy->flags & XlibDisplayNoXkb) || + (!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)) ) + return BadAccess; + + LockDisplay(dpy); + GetReq(kbGetGeometry, req); + req->reqType = dpy->xkb_info->codes->major_opcode; + req->xkbReqType = X_kbGetGeometry; + req->deviceSpec = xkb->device_spec; + req->name= (CARD32)name; + if ((!_XReply(dpy, (xReply *)&rep, 0, xFalse))||(!rep.found)) + status = BadImplementation; + else if (!rep.found) + status = BadName; + else + status = _XkbReadGetGeometryReply(dpy,&rep,xkb,NULL); + UnlockDisplay(dpy); + SyncHandle(); + return status; +} + |