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IABSD.fr/xenocara/lib/libxkbui/src/XKBui.c
matthieu
- lib/libxkbui/src/XKBui.c
-
/* $XConsortium: XKBui.c /main/2 1995/12/07 21:18:19 kaleb $ */ /************************************************************ Copyright (c) 1996 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/xkbui/XKBui.c,v 3.6 1999/06/20 07:14:08 dawes Exp $ */ #include <X11/Xos.h> #include <stdio.h> #include <stdlib.h> #if defined(SVR4) && defined(i386) && !defined(_XOPEN_SOURCE) # define _XOPEN_SOURCE # include <math.h> # undef _XOPEN_SOURCE #else # include <math.h> #endif /* _XOPEN_SOURCE */ #include <X11/Xfuncs.h> #include "XKBuiPriv.h" #include <X11/extensions/XKBfile.h> #ifndef M_PI # define M_PI 3.141592653589793238462 #endif static XkbUI_ViewOptsRec dfltOpts = { XkbUI_AllViewOptsMask /* present */, 1 /* fg */, 0 /* bg */, XkbUI_KeyNames /* label_mode */, 0 /* color_mode */, { 0 /* viewport.x */, 0 /* viewport.y */, 640 /* viewport.width */, 480 /* viewport.height */ }, 10, 10, /* margin_width, margin_height */ None }; XkbUI_ViewPtr XkbUI_SimpleInit(Display *dpy,Window win,int width,int height) { XkbDescPtr xkb; if ((!dpy)||(win==None)||(width<1)||(height<1)) return NULL; xkb= XkbGetKeyboard(dpy,XkbGBN_AllComponentsMask,XkbUseCoreKbd); if (!xkb) return NULL; return XkbUI_Init(dpy,win,width,height,xkb,NULL); } static void _XkbUI_AllocateColors(XkbUI_ViewPtr view) { register int i; Display * dpy; XColor sdef,xdef; XkbDescPtr xkb; dpy= view->dpy; xkb= view->xkb; if (view->opts.cmap==None) view->opts.cmap= DefaultColormap(dpy,DefaultScreen(dpy)); for (i=0;i<xkb->geom->num_colors;i++) { char *spec; Bool found; spec= xkb->geom->colors[i].spec; found= False; if (XAllocNamedColor(view->dpy,view->opts.cmap,spec,&sdef,&xdef)) { xkb->geom->colors[i].pixel= sdef.pixel; #ifdef DEBUG fprintf(stderr,"got pixel %d for \"%s\"\n",sdef.pixel,spec); #endif found= True; } if ((!found)&&(XkbLookupCanonicalRGBColor(spec,&sdef))) { char buf[20]; sprintf(buf,"#%02x%02x%02x",(sdef.red>>8)&0xff, (sdef.green>>8)&0xff, (sdef.blue>>8)&&0xff); if (XAllocNamedColor(view->dpy,view->opts.cmap,buf,&sdef,&xdef)) { xkb->geom->colors[i].pixel= sdef.pixel; #ifdef DEBUG fprintf(stderr,"got pixel %d for \"%s\"\n",sdef.pixel,spec); #endif found= True; } } if (!found) { xkb->geom->colors[i].pixel= view->opts.fg; fprintf(stderr,"Couldn't allocate color \"%s\"\n",spec); } } return; } XkbUI_ViewPtr XkbUI_Init( Display * dpy, Window win, int width, int height, XkbDescPtr xkb, XkbUI_ViewOptsPtr opts) { XGCValues xgcv; XkbUI_ViewPtr view; int scrn; if ((!dpy)||(!xkb)||(!xkb->geom)||(win==None)||(width<1)||(height<1)) return NULL; view= _XkbTypedCalloc(1,XkbUI_ViewRec); if (!view) return NULL; scrn= DefaultScreen(dpy); view->dpy= dpy; view->xkb= xkb; view->win= win; view->opts= dfltOpts; view->opts.fg= WhitePixel(dpy,scrn); view->opts.bg= BlackPixel(dpy,scrn); view->opts.viewport.x= 0; view->opts.viewport.y= 0; view->opts.viewport.width= width; view->opts.viewport.height= height; if ((opts)&&(opts->present)) { if (opts->present&XkbUI_BackgroundMask) view->opts.bg= opts->bg; if (opts->present&XkbUI_ForegroundMask) view->opts.fg= opts->fg; if (opts->present&XkbUI_LabelModeMask) view->opts.label_mode= opts->label_mode; if (opts->present&XkbUI_ColorModeMask) view->opts.color_mode= opts->color_mode; if (opts->present&XkbUI_WidthMask) view->opts.viewport.width= opts->viewport.width; if (opts->present&XkbUI_HeightMask) view->opts.viewport.height= opts->viewport.height; if (opts->present&XkbUI_XOffsetMask) view->opts.viewport.x= opts->viewport.x; if (opts->present&XkbUI_YOffsetMask) view->opts.viewport.y= opts->viewport.y; if (opts->present&XkbUI_MarginWidthMask) view->opts.margin_width= opts->margin_width; if (opts->present&XkbUI_MarginHeightMask) view->opts.margin_height= opts->margin_height; if (opts->present&XkbUI_ColormapMask) view->opts.cmap= opts->cmap; } view->canvas_width= width+(2*view->opts.margin_width); view->canvas_height= height+(2*view->opts.margin_height); if (view->opts.viewport.width>view->canvas_width) { int tmp; tmp= (view->opts.viewport.width-view->canvas_width)/2; view->opts.margin_width+= tmp; } if (view->opts.viewport.height>view->canvas_height) { int tmp; tmp= (view->opts.viewport.height-view->canvas_height)/2; view->opts.margin_height+= tmp; } bzero(view->state,XkbMaxLegalKeyCode+1); xgcv.foreground= view->opts.fg; xgcv.background= view->opts.bg; view->gc= XCreateGC(view->dpy,view->win,GCForeground|GCBackground,&xgcv); view->xscale= ((double)width)/((double)xkb->geom->width_mm); view->yscale= ((double)height)/((double)xkb->geom->height_mm); _XkbUI_AllocateColors(view); return view; } Status XkbUI_SetViewOpts(XkbUI_ViewPtr view,XkbUI_ViewOptsPtr opts) { if ((!view)||(!opts)) return BadValue; if (opts->present==0) return Success; if (opts->present&XkbUI_BackgroundMask) view->opts.bg= opts->bg; if (opts->present&XkbUI_ForegroundMask) view->opts.fg= opts->fg; if (opts->present&XkbUI_LabelModeMask) view->opts.label_mode= opts->label_mode; if (opts->present&XkbUI_ColorModeMask) view->opts.color_mode= opts->color_mode; if (opts->present&XkbUI_WidthMask) view->opts.viewport.width= opts->viewport.width; if (opts->present&XkbUI_HeightMask) view->opts.viewport.height= opts->viewport.height; if (opts->present&XkbUI_XOffsetMask) view->opts.viewport.x= opts->viewport.x; if (opts->present&XkbUI_YOffsetMask) view->opts.viewport.y= opts->viewport.y; if (opts->present&XkbUI_MarginWidthMask) view->opts.margin_width= opts->margin_width; if (opts->present&XkbUI_MarginHeightMask) view->opts.margin_height= opts->margin_height; if (opts->present&XkbUI_ColormapMask) { view->opts.cmap= opts->cmap; _XkbUI_AllocateColors(view); } return Success; } Status XbUI_GetViewOpts(XkbUI_ViewPtr view,XkbUI_ViewOptsPtr opts_rtrn) { if ((!view)||(!opts_rtrn)) return BadValue; *opts_rtrn= view->opts; return Success; } Status XkbUI_SetCanvasSize(XkbUI_ViewPtr view,int width,int height) { if ((!view)||(!view->xkb)||(!view->xkb->geom)) return BadValue; view->canvas_width= width; view->canvas_height= height; view->xscale= ((double)width)/((double)view->xkb->geom->width_mm); view->yscale= ((double)height)/((double)view->xkb->geom->height_mm); return Success; } Status XkbUI_GetCanvasSize(XkbUI_ViewPtr view,int *width_rtrn,int *height_rtrn) { if (!view) return BadValue; if (width_rtrn) *width_rtrn= view->canvas_width; if (height_rtrn) *height_rtrn= view->canvas_height; return Success; } /***====================================================================***/ static void _RotatePoints( double rangle, int corner_x, int corner_y, int nPts, XkbUI_PointPtr pts) { register int i; double rr,rx,ry,rt; for (i=0;i<nPts;i++,pts++) { rx= pts->x-corner_x; ry= pts->y-corner_y; /* translate */ rr= hypot(rx,ry); rt= atan2(ry,rx)+rangle; rx= rr*cos(rt); ry= rr*sin(rt); pts->x= rx+corner_x; pts->y= ry+corner_y; } return; } static void _DrawPoints(XkbUI_ViewPtr view,int nPts,XkbUI_PointPtr pts,XPoint *xpts) { register int i; for (i=0;i<nPts;i++) { if (pts[i].x>=0.0) xpts[i].x= pts[i].x*view->xscale+0.5; else xpts[i].x= pts[i].x*view->xscale-0.5; xpts[i].x+= view->opts.viewport.x; if (pts[i].y>=0.0) xpts[i].y= pts[i].y*view->yscale+0.5; else xpts[i].x= pts[i].y*view->yscale-0.5; xpts[i].y+= view->opts.viewport.y; } if ((xpts[nPts-1].x!=xpts[0].x)||(xpts[nPts-1].y!=xpts[0].y)) xpts[nPts++]= xpts[0]; /* close the shape, if necessary */ XDrawLines(view->dpy,view->win,view->gc,xpts,nPts,CoordModeOrigin); XFlush(view->dpy); return; } static void _DrawSolidPoints(XkbUI_ViewPtr view,int nPts,XkbUI_PointPtr pts,XPoint *xpts) { register int i; for (i=0;i<nPts;i++) { if (pts[i].x>=0.0) xpts[i].x= pts[i].x*view->xscale+0.5; else xpts[i].x= pts[i].x*view->xscale-0.5; xpts[i].x+= view->opts.viewport.x; if (pts[i].y>=0.0) xpts[i].y= pts[i].y*view->yscale+0.5; else xpts[i].x= pts[i].y*view->yscale-0.5; xpts[i].y+= view->opts.viewport.y; } if ((xpts[nPts-1].x!=xpts[0].x)||(xpts[nPts-1].y!=xpts[0].y)) xpts[nPts++]= xpts[0]; /* close the shape, if necessary */ XFillPolygon(view->dpy,view->win,view->gc,xpts,nPts,Nonconvex, CoordModeOrigin); XFlush(view->dpy); return; } static void _DrawShape( XkbUI_ViewPtr view, double rangle, int xoff, int yoff, int rotx, int roty, XkbShapePtr shape, Bool key) { XkbOutlinePtr ol; register int o; int maxPts; XkbUI_PointPtr uipts; XPoint * xpts; for (maxPts=4,o=0,ol=shape->outlines;o<shape->num_outlines;o++,ol++) { if ((shape->num_outlines>1)&&(ol==shape->approx)) continue; if (ol->num_points>maxPts) maxPts= ol->num_points; } uipts= _XkbTypedCalloc(maxPts,XkbUI_PointRec); xpts= _XkbTypedCalloc(maxPts+1,XPoint); XSetForeground(view->dpy,view->gc,view->xkb->geom->label_color->pixel); for (o=0,ol=shape->outlines;o<shape->num_outlines;o++,ol++) { XkbPointPtr gpts; register int p; if ((shape->num_outlines>1)&&(ol==shape->approx)) continue; gpts= ol->points; if (ol->num_points==1) { uipts[0].x= xoff; uipts[0].y= yoff; uipts[1].x= xoff+gpts[0].x; uipts[1].y= yoff; uipts[2].x= xoff+gpts[0].x; uipts[2].y= yoff+gpts[0].y; uipts[3].x= xoff; uipts[3].y= yoff+gpts[0].y; p= 4; } else if (ol->num_points==2) { uipts[0].x= xoff+gpts[0].x; uipts[0].y= yoff+gpts[0].y; uipts[1].x= xoff+gpts[1].x; uipts[1].y= yoff+gpts[0].y; uipts[2].x= xoff+gpts[1].x; uipts[2].y= yoff+gpts[1].y; uipts[3].x= xoff+gpts[0].x; uipts[3].y= yoff+gpts[1].y; p= 4; } else { for (p=0;p<ol->num_points;p++) { uipts[p].x= xoff+gpts[p].x; uipts[p].y= yoff+gpts[p].y; } p= ol->num_points; } if (rangle!=0.0) _RotatePoints(rangle,rotx,roty,p,uipts); if (key) { if (o==0) { XSetForeground(view->dpy,view->gc, view->xkb->geom->base_color->pixel); _DrawSolidPoints(view,p,uipts,xpts); XSetForeground(view->dpy,view->gc, view->xkb->geom->label_color->pixel); } _DrawPoints(view,p,uipts,xpts); } else { _DrawPoints(view,p,uipts,xpts); } } _XkbFree(uipts); _XkbFree(xpts); return; } static void _DrawRect( XkbUI_ViewPtr view, double rangle, int x1, int y1, int x2, int y2, Bool key) { XkbUI_PointRec uipts[4]; XPoint xpts[4]; XSetForeground(view->dpy,view->gc,view->xkb->geom->label_color->pixel); uipts[0].x= x1; uipts[0].y= y1; uipts[1].x= x2; uipts[1].y= y1; uipts[2].x= x2; uipts[2].y= y2; uipts[3].x= x1; uipts[3].y= y2; if (rangle!=0.0) _RotatePoints(rangle,0,0,4,uipts); if (key) { XSetForeground(view->dpy,view->gc,view->xkb->geom->base_color->pixel); _DrawSolidPoints(view,4,uipts,xpts); XSetForeground(view->dpy,view->gc,view->xkb->geom->label_color->pixel); _DrawPoints(view,4,uipts,xpts); } else { _DrawPoints(view,4,uipts,xpts); } return; } static void _DrawDoodad( XkbUI_ViewPtr view, double rangle, int xoff, int yoff, XkbDoodadPtr doodad) { int x; int y; XkbShapePtr shape; Bool solid; x= doodad->any.left+xoff; y= doodad->any.top+yoff; shape= NULL; solid= False; switch (doodad->any.type) { case XkbOutlineDoodad: shape= XkbShapeDoodadShape(view->xkb->geom,(&doodad->shape)); break; case XkbSolidDoodad: shape= XkbShapeDoodadShape(view->xkb->geom,(&doodad->shape)); solid= True; break; case XkbTextDoodad: break; case XkbIndicatorDoodad: shape= XkbIndicatorDoodadShape(view->xkb->geom,&doodad->indicator); solid= True; break; case XkbLogoDoodad: shape= XkbLogoDoodadShape(view->xkb->geom,&doodad->logo); solid= True; break; } if (shape) _DrawShape(view,rangle,x,y,x,y,shape,solid); return; } static void _DrawRow( XkbUI_ViewPtr view, double rangle, int xoff, int yoff, XkbRowPtr row) { register int k,x,y; XkbKeyPtr key; x= xoff+row->left; y= yoff+row->top; for (k=0,key=row->keys;k<row->num_keys;k++,key++) { XkbShapePtr shape; shape= XkbKeyShape(view->xkb->geom,key); if (row->vertical) { y+= key->gap; _DrawShape(view,rangle,x,y,xoff,yoff,shape,True); y+= shape->bounds.y2; } else { x+= key->gap; _DrawShape(view,rangle,x,y,xoff,yoff,shape,True); x+= shape->bounds.x2; } } return; } static void _DrawSection(XkbUI_ViewPtr view,XkbSectionPtr section) { double rangle; rangle= ((((double)(section->angle%3600))/3600.0)*(2.0*M_PI)); if (section->doodads) { XkbDrawablePtr first,draw; first= XkbGetOrderedDrawables(NULL,section); if (first) { for (draw=first;draw!=NULL;draw=draw->next) { _DrawDoodad(view,rangle,section->left,section->top,draw->u.doodad); } XkbFreeOrderedDrawables(first); } } if (section->rows) { register int r; XkbRowPtr row; for (r=0,row=section->rows;r<section->num_rows;r++,row++) { _DrawRow(view,rangle,section->left,section->top,row); } } return; } static void _DrawAll(XkbUI_ViewPtr view) { XkbGeometryPtr geom; XkbDrawablePtr first,draw; Bool dfltBorder; geom= view->xkb->geom; first= XkbGetOrderedDrawables(geom,NULL); if (first) { dfltBorder= True; for (draw=first;draw!=NULL;draw=draw->next) { char *name; if ((draw->type!=XkbDW_Doodad)|| ((draw->u.doodad->any.type!=XkbOutlineDoodad)&& (draw->u.doodad->any.type!=XkbSolidDoodad))) { continue; } name= XkbAtomGetString(view->dpy,draw->u.doodad->any.name); if (name != NULL) { if (strcmp(name, "edges") == 0) { _XkbFree(name); dfltBorder= False; break; } _XkbFree(name); } } if (dfltBorder) _DrawRect(view,0.0,0,0,geom->width_mm,geom->height_mm,True); for (draw=first;draw!=NULL;draw=draw->next) { switch (draw->type) { case XkbDW_Section: _DrawSection(view,draw->u.section); break; case XkbDW_Doodad: _DrawDoodad(view,0.0,0,0,draw->u.doodad); break; } } XkbFreeOrderedDrawables(first); } XFlush(view->dpy); return; } static void _RedrawKey(XkbUI_ViewPtr view,KeyCode kc) { /* _DrawAll(view);*/ return; } /***====================================================================***/ Bool XkbUI_SetKeyAppearance(XkbUI_ViewPtr view,KeyCode kc,unsigned int flags) { XkbDescPtr xkb; unsigned old; if ((!view)||(!view->xkb)) return False; xkb= view->xkb; if ((kc<xkb->min_key_code)||(kc>xkb->max_key_code)) return False; old= view->state[kc]; view->state[kc]= (flags&(~XkbUI_Obscured)); if (old&XkbUI_Obscured) view->state[kc]|= XkbUI_Obscured; else if (old!=view->state[kc]) _RedrawKey(view,kc); return True; } Bool XkbUI_SetKeyAppearanceByName( XkbUI_ViewPtr view, XkbKeyNamePtr name, unsigned int flags) { KeyCode kc; if ((!view)||(!view->xkb)||(!name)) return False; kc= XkbFindKeycodeByName(view->xkb,name->name,True); if (!kc) return False; return XkbUI_SetKeyAppearance(view,kc,flags); } Bool XkbUI_ResetKeyAppearance( XkbUI_ViewPtr view, unsigned int mask, unsigned int values) { register int i; unsigned new_val; if ((!view)||(!view->xkb)) return False; if (!mask) return True; for (i=view->xkb->min_key_code;i<=view->xkb->max_key_code;i++) { new_val= (view->state[i]&(~mask)); new_val|= (mask&values); XkbUI_SetKeyAppearance(view,i,new_val); } return True; } Bool XkbUI_DrawRegion(XkbUI_ViewPtr view,XRectangle *viewport) { if (!view) return False; _DrawAll(view); return True; } Bool XkbUI_DrawChanged( XkbUI_ViewPtr view, XRectangle * viewport, XkbChangesPtr changes, int num_keys, XkbKeyNamePtr keys) { return False; } Bool XkbUI_Select( XkbUI_ViewPtr view, XPoint * coord, unsigned int which, XkbSectionPtr section) { return False; }