1 /* 2 Defines the operations for the X PetscDraw implementation. 3 */ 4 5 #include <../src/sys/classes/draw/impls/x/ximpl.h> /*I "petscsys.h" I*/ 6 7 /* 8 These macros transform from the users coordinates to the X-window pixel coordinates. 9 */ 10 #define XTRANS(draw,xwin,x) (int)(((xwin)->w)*((draw)->port_xl + (((x - (draw)->coor_xl)*((draw)->port_xr - (draw)->port_xl))/((draw)->coor_xr - (draw)->coor_xl)))) 11 #define YTRANS(draw,xwin,y) (int)(((xwin)->h)*(1 - (draw)->port_yl - (((y - (draw)->coor_yl)*((draw)->port_yr - (draw)->port_yl))/((draw)->coor_yr - (draw)->coor_yl)))) 12 13 #define ITRANS(draw,xwin,i) (draw)->coor_xl + (i*((draw)->coor_xr - (draw)->coor_xl)/((xwin)->w) - (draw)->port_xl)/((draw)->port_xr - (draw)->port_xl) 14 #define JTRANS(draw,xwin,j) draw->coor_yl + (((PetscReal)j)/xwin->h + draw->port_yl - 1)*(draw->coor_yr - draw->coor_yl)/(draw->port_yl - draw->port_yr) 15 16 #undef __FUNCT__ 17 #define __FUNCT__ "PetscDrawSetViewport_X" 18 static PetscErrorCode PetscDrawSetViewport_X(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr) 19 { 20 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 21 XRectangle box; 22 PetscErrorCode ierr; 23 24 PetscFunctionBegin; 25 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 26 box.x = (short)(xl*XiWin->w); 27 box.y = (short)((1-yr)*XiWin->h); 28 box.width = (unsigned short)((xr-xl)*XiWin->w); 29 box.height = (unsigned short)((yr-yl)*XiWin->h); 30 XSetClipRectangles(XiWin->disp,XiWin->gc.set,0,0,&box,1,Unsorted); 31 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 32 PetscFunctionReturn(0); 33 } 34 35 #undef __FUNCT__ 36 #define __FUNCT__ "PetscDrawCoordinateToPixel_X" 37 static PetscErrorCode PetscDrawCoordinateToPixel_X(PetscDraw draw,PetscReal x,PetscReal y,PetscInt *i,PetscInt *j) 38 { 39 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 40 41 PetscFunctionBegin; 42 *i = XTRANS(draw,XiWin,x); 43 *j = YTRANS(draw,XiWin,y); 44 PetscFunctionReturn(0); 45 } 46 47 #undef __FUNCT__ 48 #define __FUNCT__ "PetscDrawPixelToCoordinate_X" 49 static PetscErrorCode PetscDrawPixelToCoordinate_X(PetscDraw draw,PetscInt i,PetscInt j,PetscReal *x,PetscReal *y) 50 { 51 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 52 53 PetscFunctionBegin; 54 *x = ITRANS(draw,XiWin,i); 55 *y = JTRANS(draw,XiWin,j); 56 PetscFunctionReturn(0); 57 } 58 59 #undef __FUNCT__ 60 #define __FUNCT__ "PetscDrawPoint_X" 61 static PetscErrorCode PetscDrawPoint_X(PetscDraw draw,PetscReal x,PetscReal y,int c) 62 { 63 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 64 int xx,yy,i,j; 65 66 PetscFunctionBegin; 67 xx = XTRANS(draw,XiWin,x); yy = YTRANS(draw,XiWin,y); 68 PetscDrawXiSetColor(XiWin,c); 69 for (i=-1; i<2; i++) { 70 for (j=-1; j<2; j++) { 71 XDrawPoint(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,xx+i,yy+j); 72 } 73 } 74 PetscFunctionReturn(0); 75 } 76 77 #undef __FUNCT__ 78 #define __FUNCT__ "PetscDrawPointPixel_X" 79 static PetscErrorCode PetscDrawPointPixel_X(PetscDraw draw,PetscInt x,PetscInt y,int c) 80 { 81 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 82 83 PetscFunctionBegin; 84 PetscDrawXiSetColor(XiWin,c); 85 XDrawPoint(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,x,y); 86 PetscFunctionReturn(0); 87 } 88 89 #undef __FUNCT__ 90 #define __FUNCT__ "PetscDrawLine_X" 91 static PetscErrorCode PetscDrawLine_X(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr,int cl) 92 { 93 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 94 int x1,y_1,x2,y2; 95 96 PetscFunctionBegin; 97 PetscDrawXiSetColor(XiWin,cl); 98 x1 = XTRANS(draw,XiWin,xl); x2 = XTRANS(draw,XiWin,xr); 99 y_1 = YTRANS(draw,XiWin,yl); y2 = YTRANS(draw,XiWin,yr); 100 if (x1 == x2 && y_1 == y2) PetscFunctionReturn(0); 101 XDrawLine(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,x1,y_1,x2,y2); 102 PetscFunctionReturn(0); 103 } 104 105 #undef __FUNCT__ 106 #define __FUNCT__ "PetscDrawArrow_X" 107 static PetscErrorCode PetscDrawArrow_X(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr,int cl) 108 { 109 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 110 int x1,y_1,x2,y2; 111 112 PetscFunctionBegin; 113 PetscDrawXiSetColor(XiWin,cl); 114 x1 = XTRANS(draw,XiWin,xl); x2 = XTRANS(draw,XiWin,xr); 115 y_1 = YTRANS(draw,XiWin,yl); y2 = YTRANS(draw,XiWin,yr); 116 if (x1 == x2 && y_1 == y2) PetscFunctionReturn(0); 117 XDrawLine(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,x1,y_1,x2,y2); 118 if (x1 == x2 && PetscAbs(y_1 - y2) > 7) { 119 if (y2 > y_1) { 120 XDrawLine(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,x2,y2,x2-3,y2-3); 121 XDrawLine(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,x2,y2,x2+3,y2-3); 122 } else { 123 XDrawLine(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,x2,y2,x2-3,y2+3); 124 XDrawLine(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,x2,y2,x2+3,y2+3); 125 } 126 } 127 PetscFunctionReturn(0); 128 } 129 130 #undef __FUNCT__ 131 #define __FUNCT__ "PetscDrawRectangle_X" 132 static PetscErrorCode PetscDrawRectangle_X(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr,int c1,int c2,int c3,int c4) 133 { 134 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 135 int x1,y_1,w,h,c = (c1 + c2 + c3 + c4)/4; 136 137 PetscFunctionBegin; 138 PetscDrawXiSetColor(XiWin,c); 139 x1 = XTRANS(draw,XiWin,xl); w = XTRANS(draw,XiWin,xr) - x1; 140 y_1 = YTRANS(draw,XiWin,yr); h = YTRANS(draw,XiWin,yl) - y_1; 141 if (w <= 0) w = 1; 142 if (h <= 0) h = 1; 143 XFillRectangle(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,x1,y_1,w,h); 144 PetscFunctionReturn(0); 145 } 146 147 #undef __FUNCT__ 148 #define __FUNCT__ "PetscDrawEllipse_X" 149 static PetscErrorCode PetscDrawEllipse_X(PetscDraw Win,PetscReal x,PetscReal y,PetscReal a,PetscReal b,int c) 150 { 151 PetscDraw_X *XiWin = (PetscDraw_X*) Win->data; 152 int xA,yA,w,h; 153 154 PetscFunctionBegin; 155 PetscDrawXiSetColor(XiWin, c); 156 xA = XTRANS(Win, XiWin, x - a/2.0); w = XTRANS(Win, XiWin, x + a/2.0) - xA; 157 yA = YTRANS(Win, XiWin, y + b/2.0); h = PetscAbs(YTRANS(Win, XiWin, y - b/2.0) - yA); 158 XFillArc(XiWin->disp, PetscDrawXiDrawable(XiWin), XiWin->gc.set, xA, yA, w, h, 0, 23040); 159 PetscFunctionReturn(0); 160 } 161 162 PETSC_INTERN PetscErrorCode PetscDrawInterpolatedTriangle_X(PetscDraw_X*,int,int,int,int,int,int,int,int,int); 163 164 #undef __FUNCT__ 165 #define __FUNCT__ "PetscDrawTriangle_X" 166 static PetscErrorCode PetscDrawTriangle_X(PetscDraw draw,PetscReal X1,PetscReal Y_1,PetscReal X2,PetscReal Y2,PetscReal X3,PetscReal Y3,int c1,int c2,int c3) 167 { 168 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 169 PetscErrorCode ierr; 170 171 PetscFunctionBegin; 172 if (c1 == c2 && c2 == c3) { 173 XPoint pt[3]; 174 PetscDrawXiSetColor(XiWin,c1); 175 pt[0].x = XTRANS(draw,XiWin,X1); 176 pt[0].y = YTRANS(draw,XiWin,Y_1); 177 pt[1].x = XTRANS(draw,XiWin,X2); 178 pt[1].y = YTRANS(draw,XiWin,Y2); 179 pt[2].x = XTRANS(draw,XiWin,X3); 180 pt[2].y = YTRANS(draw,XiWin,Y3); 181 XFillPolygon(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,pt,3,Convex,CoordModeOrigin); 182 } else { 183 int x1,y_1,x2,y2,x3,y3; 184 x1 = XTRANS(draw,XiWin,X1); 185 y_1 = YTRANS(draw,XiWin,Y_1); 186 x2 = XTRANS(draw,XiWin,X2); 187 y2 = YTRANS(draw,XiWin,Y2); 188 x3 = XTRANS(draw,XiWin,X3); 189 y3 = YTRANS(draw,XiWin,Y3); 190 ierr = PetscDrawInterpolatedTriangle_X(XiWin,x1,y_1,c1,x2,y2,c2,x3,y3,c3);CHKERRQ(ierr); 191 } 192 PetscFunctionReturn(0); 193 } 194 195 #undef __FUNCT__ 196 #define __FUNCT__ "PetscDrawStringSetSize_X" 197 static PetscErrorCode PetscDrawStringSetSize_X(PetscDraw draw,PetscReal x,PetscReal y) 198 { 199 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 200 int w,h; 201 PetscErrorCode ierr; 202 203 PetscFunctionBegin; 204 w = (int)((XiWin->w)*x*(draw->port_xr - draw->port_xl)/(draw->coor_xr - draw->coor_xl)); 205 h = (int)((XiWin->h)*y*(draw->port_yr - draw->port_yl)/(draw->coor_yr - draw->coor_yl)); 206 ierr = PetscFree(XiWin->font);CHKERRQ(ierr); 207 ierr = PetscDrawXiFontFixed(XiWin,w,h,&XiWin->font);CHKERRQ(ierr); 208 PetscFunctionReturn(0); 209 } 210 211 #undef __FUNCT__ 212 #define __FUNCT__ "PetscDrawStringGetSize_X" 213 static PetscErrorCode PetscDrawStringGetSize_X(PetscDraw draw,PetscReal *x,PetscReal *y) 214 { 215 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 216 PetscReal w,h; 217 218 PetscFunctionBegin; 219 w = XiWin->font->font_w; h = XiWin->font->font_h; 220 if (x) *x = w*(draw->coor_xr - draw->coor_xl)/((XiWin->w)*(draw->port_xr - draw->port_xl)); 221 if (y) *y = h*(draw->coor_yr - draw->coor_yl)/((XiWin->h)*(draw->port_yr - draw->port_yl)); 222 PetscFunctionReturn(0); 223 } 224 225 #undef __FUNCT__ 226 #define __FUNCT__ "PetscDrawString_X" 227 static PetscErrorCode PetscDrawString_X(PetscDraw draw,PetscReal x,PetscReal y,int c,const char chrs[]) 228 { 229 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 230 int xx,yy; 231 size_t len; 232 char *substr; 233 PetscToken token; 234 PetscErrorCode ierr; 235 236 PetscFunctionBegin; 237 xx = XTRANS(draw,XiWin,x); 238 yy = YTRANS(draw,XiWin,y); 239 PetscDrawXiSetColor(XiWin,c); 240 241 ierr = PetscTokenCreate(chrs,'\n',&token);CHKERRQ(ierr); 242 ierr = PetscTokenFind(token,&substr);CHKERRQ(ierr); 243 ierr = PetscStrlen(substr,&len);CHKERRQ(ierr); 244 XDrawString(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,xx,yy - XiWin->font->font_descent,substr,len); 245 ierr = PetscTokenFind(token,&substr);CHKERRQ(ierr); 246 while (substr) { 247 yy += 4*XiWin->font->font_descent; 248 ierr = PetscStrlen(substr,&len);CHKERRQ(ierr); 249 XDrawString(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,xx,yy - XiWin->font->font_descent,substr,len); 250 ierr = PetscTokenFind(token,&substr);CHKERRQ(ierr); 251 } 252 ierr = PetscTokenDestroy(&token);CHKERRQ(ierr); 253 PetscFunctionReturn(0); 254 } 255 256 #undef __FUNCT__ 257 #define __FUNCT__ "PetscDrawStringVertical_X" 258 static PetscErrorCode PetscDrawStringVertical_X(PetscDraw draw,PetscReal x,PetscReal y,int c,const char chrs[]) 259 { 260 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 261 int xx,yy; 262 char tmp[2]; 263 PetscReal tw,th; 264 size_t i,n; 265 PetscErrorCode ierr; 266 267 PetscFunctionBegin; 268 ierr = PetscStrlen(chrs,&n);CHKERRQ(ierr); 269 tmp[1] = 0; 270 PetscDrawXiSetColor(XiWin,c); 271 ierr = PetscDrawStringGetSize_X(draw,&tw,&th);CHKERRQ(ierr); 272 xx = XTRANS(draw,XiWin,x); 273 for (i=0; i<n; i++) { 274 tmp[0] = chrs[i]; 275 yy = YTRANS(draw,XiWin,y-th*i); 276 XDrawString(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set, xx,yy - XiWin->font->font_descent,tmp,1); 277 } 278 PetscFunctionReturn(0); 279 } 280 281 #undef __FUNCT__ 282 #define __FUNCT__ "PetscDrawFlush_X" 283 static PetscErrorCode PetscDrawFlush_X(PetscDraw draw) 284 { 285 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 286 PetscMPIInt rank; 287 PetscErrorCode ierr; 288 289 PetscFunctionBegin; 290 291 /* make sure the X server processed requests from all processes */ 292 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 293 XSync(XiWin->disp,False); 294 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 295 ierr = MPI_Barrier(PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 296 297 /* transfer pixmap contents to window (only the first process does this) */ 298 if (XiWin->drw && XiWin->win) { 299 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)draw),&rank);CHKERRQ(ierr); 300 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 301 if (!rank) XCopyArea(XiWin->disp,XiWin->drw,XiWin->win,XiWin->gc.set,0,0,XiWin->w,XiWin->h,0,0); 302 if (!rank) XSync(XiWin->disp,False); 303 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 304 ierr = MPI_Barrier(PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 305 } 306 307 if (draw->saveonflush) {ierr = PetscDrawSave(draw);CHKERRQ(ierr);} 308 PetscFunctionReturn(0); 309 } 310 311 #undef __FUNCT__ 312 #define __FUNCT__ "PetscDrawClear_X" 313 static PetscErrorCode PetscDrawClear_X(PetscDraw draw) 314 { 315 PetscDraw_X *XiWin = (PetscDraw_X*)draw->data; 316 PetscMPIInt rank; 317 PetscErrorCode ierr; 318 319 PetscFunctionBegin; 320 if (draw->saveonclear) {ierr = PetscDrawSave(draw);CHKERRQ(ierr);} 321 322 /* make sure the X server processed requests from all processes */ 323 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 324 XSync(XiWin->disp,False); 325 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 326 ierr = MPI_Barrier(PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 327 328 /* only the first process handles the clearing business */ 329 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 330 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)draw),&rank);CHKERRQ(ierr); 331 if (!rank) { 332 int x = (int)(draw->port_xl*XiWin->w); 333 int y = (int)((1-draw->port_yr)*XiWin->h); 334 int w = (int)((draw->port_xr - draw->port_xl)*XiWin->w); 335 int h = (int)((draw->port_yr - draw->port_yl)*XiWin->h); 336 PetscDrawXiSetPixVal(XiWin,XiWin->background); 337 XFillRectangle(XiWin->disp,PetscDrawXiDrawable(XiWin),XiWin->gc.set,x,y,w,h); 338 XSync(XiWin->disp,False); 339 } 340 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 341 ierr = MPI_Barrier(PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 342 PetscFunctionReturn(0); 343 } 344 345 #undef __FUNCT__ 346 #define __FUNCT__ "PetscDrawSetDoubleBuffer_X" 347 static PetscErrorCode PetscDrawSetDoubleBuffer_X(PetscDraw draw) 348 { 349 PetscDraw_X *win = (PetscDraw_X*)draw->data; 350 PetscMPIInt rank; 351 PetscErrorCode ierr; 352 353 PetscFunctionBegin; 354 if (win->drw) PetscFunctionReturn(0); 355 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)draw),&rank);CHKERRQ(ierr); 356 357 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 358 if (!rank) {ierr = PetscDrawXiQuickPixmap(win);CHKERRQ(ierr);} 359 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 360 ierr = MPI_Bcast(&win->drw,1,MPI_UNSIGNED_LONG,0,PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 361 PetscFunctionReturn(0); 362 } 363 364 #undef __FUNCT__ 365 #define __FUNCT__ "PetscDrawGetPopup_X" 366 static PetscErrorCode PetscDrawGetPopup_X(PetscDraw draw,PetscDraw *popup) 367 { 368 PetscDraw_X *win = (PetscDraw_X*)draw->data; 369 PetscBool flg = PETSC_TRUE; 370 PetscErrorCode ierr; 371 372 PetscFunctionBegin; 373 ierr = PetscOptionsGetBool(((PetscObject)draw)->options,((PetscObject)draw)->prefix,"-draw_popup",&flg,NULL);CHKERRQ(ierr); 374 if (!flg || !win->win) {*popup = NULL; PetscFunctionReturn(0);} 375 376 ierr = PetscDrawCreate(PetscObjectComm((PetscObject)draw),draw->display,NULL,win->x,win->y+win->h+36,220,220,popup);CHKERRQ(ierr); 377 ierr = PetscObjectSetOptionsPrefix((PetscObject)*popup,"popup_");CHKERRQ(ierr); 378 ierr = PetscObjectAppendOptionsPrefix((PetscObject)*popup,((PetscObject)draw)->prefix);CHKERRQ(ierr); 379 ierr = PetscDrawSetType(*popup,PETSC_DRAW_X);CHKERRQ(ierr); 380 draw->popup = *popup; 381 PetscFunctionReturn(0); 382 } 383 384 #undef __FUNCT__ 385 #define __FUNCT__ "PetscDrawSetTitle_X" 386 static PetscErrorCode PetscDrawSetTitle_X(PetscDraw draw,const char title[]) 387 { 388 PetscDraw_X *win = (PetscDraw_X*)draw->data; 389 PetscMPIInt rank; 390 PetscErrorCode ierr; 391 392 PetscFunctionBegin; 393 if (!win->win) PetscFunctionReturn(0); 394 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)draw),&rank);CHKERRQ(ierr); 395 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 396 if (!rank) { 397 size_t len; 398 XTextProperty prop; 399 ierr = PetscStrlen(title,&len);CHKERRQ(ierr); 400 XGetWMName(win->disp,win->win,&prop); 401 XFree((void*)prop.value); 402 prop.value = (unsigned char*)title; 403 prop.nitems = (long)len; 404 XSetWMName(win->disp,win->win,&prop); 405 } 406 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 407 PetscFunctionReturn(0); 408 } 409 410 #undef __FUNCT__ 411 #define __FUNCT__ "PetscDrawCheckResizedWindow_X" 412 static PetscErrorCode PetscDrawCheckResizedWindow_X(PetscDraw draw) 413 { 414 PetscDraw_X *win = (PetscDraw_X*)draw->data; 415 int xywh[4]; 416 PetscMPIInt rank; 417 PetscErrorCode ierr; 418 419 PetscFunctionBegin; 420 if (!win->win) PetscFunctionReturn(0); 421 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)draw),&rank);CHKERRQ(ierr); 422 423 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 424 if (!rank) { 425 Window root; 426 int x,y; 427 unsigned int w,h,border,depth; 428 XGetGeometry(win->disp,win->win,&root,&x,&y,&w,&h,&border,&depth); 429 xywh[0] = x; xywh[1] = y; xywh[2] = (int)w; xywh[3] = (int)h; 430 } 431 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 432 433 ierr = MPI_Bcast(xywh,4,MPI_INT,0,PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 434 /* record new window position */ 435 draw->x = win->x = xywh[0]; 436 draw->y = win->y = xywh[1]; 437 if (xywh[2] == win->w && xywh[3] == win->h) PetscFunctionReturn(0); 438 /* record new window sizes */ 439 draw->w = win->w = xywh[2]; 440 draw->h = win->h = xywh[3]; 441 442 /* recreate pixmap (only first processor does this) */ 443 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 444 if (!rank && win->drw) {ierr = PetscDrawXiQuickPixmap(win);CHKERRQ(ierr);} 445 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 446 ierr = MPI_Bcast(&win->drw,1,MPI_UNSIGNED_LONG,0,PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 447 /* reset the clipping */ 448 ierr = PetscDrawSetViewport_X(draw,draw->port_xl,draw->port_yl,draw->port_xr,draw->port_yr);CHKERRQ(ierr); 449 PetscFunctionReturn(0); 450 } 451 452 #undef __FUNCT__ 453 #define __FUNCT__ "PetscDrawResizeWindow_X" 454 static PetscErrorCode PetscDrawResizeWindow_X(PetscDraw draw,int w,int h) 455 { 456 PetscDraw_X *win = (PetscDraw_X*)draw->data; 457 PetscMPIInt rank; 458 PetscErrorCode ierr; 459 460 PetscFunctionBegin; 461 if (w == win->w && h == win->h) PetscFunctionReturn(0); 462 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)draw),&rank);CHKERRQ(ierr); 463 464 if (win->win) { 465 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 466 if (!rank) XResizeWindow(win->disp,win->win,(unsigned int)w,(unsigned int)h); 467 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 468 ierr = PetscDrawCheckResizedWindow_X(draw);CHKERRQ(ierr); 469 } else if (win->drw) { 470 draw->w = win->w = w; draw->h = win->h = h; 471 /* recreate pixmap (only first processor does this) */ 472 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 473 if (!rank) {ierr = PetscDrawXiQuickPixmap(win);CHKERRQ(ierr);} 474 ierr = MPI_Bcast(&win->drw,1,MPI_UNSIGNED_LONG,0,PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 475 /* reset the clipping */ 476 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 477 ierr = PetscDrawSetViewport_X(draw,draw->port_xl,draw->port_yl,draw->port_xr,draw->port_yr);CHKERRQ(ierr); 478 } 479 PetscFunctionReturn(0); 480 } 481 482 #include <X11/cursorfont.h> 483 484 #undef __FUNCT__ 485 #define __FUNCT__ "PetscDrawGetMouseButton_X" 486 static PetscErrorCode PetscDrawGetMouseButton_X(PetscDraw draw,PetscDrawButton *button,PetscReal *x_user,PetscReal *y_user,PetscReal *x_phys,PetscReal *y_phys) 487 { 488 PetscDraw_X *win = (PetscDraw_X*)draw->data; 489 Cursor cursor; 490 XEvent report; 491 Window root,child; 492 int root_x,root_y,px=0,py=0; 493 unsigned int w,h,border,depth; 494 unsigned int keys_button; 495 PetscMPIInt rank; 496 PetscReal xx,yy; 497 PetscErrorCode ierr; 498 499 PetscFunctionBegin; 500 *button = PETSC_BUTTON_NONE; 501 if (!win->win) PetscFunctionReturn(0); 502 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)draw),&rank);CHKERRQ(ierr); 503 504 ierr = PetscDrawCollectiveBegin(draw);CHKERRQ(ierr); 505 if (rank) goto finally; 506 507 /* change cursor to indicate input */ 508 cursor = XCreateFontCursor(win->disp,XC_hand2); if (!cursor) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"Unable to create X cursor"); 509 XDefineCursor(win->disp,win->win,cursor); 510 /* wait for mouse button events */ 511 XSelectInput(win->disp,win->win,ButtonPressMask|ButtonReleaseMask); 512 while (XCheckTypedEvent(win->disp,ButtonPress,&report)); 513 XMaskEvent(win->disp,ButtonReleaseMask,&report); 514 /* get mouse pointer coordinates */ 515 XQueryPointer(win->disp,report.xmotion.window,&root,&child,&root_x,&root_y,&px,&py,&keys_button); 516 /* the user may resize the window before pressing the mouse button */ 517 XGetGeometry(win->disp,win->win,&root,&root_x,&root_y,&w,&h,&border,&depth); 518 /* cleanup input event handler and cursor */ 519 XSelectInput(win->disp,win->win,NoEventMask); 520 XUndefineCursor(win->disp,win->win); 521 XFreeCursor(win->disp, cursor); 522 XSync(win->disp,False); 523 524 switch (report.xbutton.button) { 525 case Button1: *button = PETSC_BUTTON_LEFT; break; 526 case Button2: *button = PETSC_BUTTON_CENTER; break; 527 case Button3: *button = PETSC_BUTTON_RIGHT; break; 528 case Button4: *button = PETSC_BUTTON_WHEEL_UP; break; 529 case Button5: *button = PETSC_BUTTON_WHEEL_DOWN; break; 530 } 531 if (report.xbutton.state & ShiftMask) { 532 switch (report.xbutton.button) { 533 case Button1: *button = PETSC_BUTTON_LEFT_SHIFT; break; 534 case Button2: *button = PETSC_BUTTON_CENTER_SHIFT; break; 535 case Button3: *button = PETSC_BUTTON_RIGHT_SHIFT; break; 536 } 537 } 538 xx = ((PetscReal)px)/w; 539 yy = 1 - ((PetscReal)py)/h; 540 if (x_user) *x_user = draw->coor_xl + (xx - draw->port_xl)*(draw->coor_xr - draw->coor_xl)/(draw->port_xr - draw->port_xl); 541 if (y_user) *y_user = draw->coor_yl + (yy - draw->port_yl)*(draw->coor_yr - draw->coor_yl)/(draw->port_yr - draw->port_yl); 542 if (x_phys) *x_phys = xx; 543 if (y_phys) *y_phys = yy; 544 545 finally: 546 ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(ierr); 547 ierr = PetscDrawCheckResizedWindow_X(draw);CHKERRQ(ierr); 548 PetscFunctionReturn(0); 549 } 550 551 #undef __FUNCT__ 552 #define __FUNCT__ "PetscDrawPause_X" 553 static PetscErrorCode PetscDrawPause_X(PetscDraw draw) 554 { 555 PetscDraw_X *win = (PetscDraw_X*)draw->data; 556 PetscErrorCode ierr; 557 558 PetscFunctionBegin; 559 if (!win->win) PetscFunctionReturn(0); 560 if (draw->pause > 0) PetscSleep(draw->pause); 561 else if (draw->pause == -1) { 562 PetscDrawButton button = PETSC_BUTTON_NONE; 563 ierr = PetscDrawGetMouseButton(draw,&button,NULL,NULL,NULL,NULL);CHKERRQ(ierr); 564 if (button == PETSC_BUTTON_CENTER) draw->pause = 0; 565 } 566 PetscFunctionReturn(0); 567 } 568 569 #undef __FUNCT__ 570 #define __FUNCT__ "PetscDrawDestroy_X" 571 static PetscErrorCode PetscDrawDestroy_X(PetscDraw draw) 572 { 573 PetscDraw_X *win = (PetscDraw_X*)draw->data; 574 PetscErrorCode ierr; 575 576 PetscFunctionBegin; 577 ierr = PetscDrawDestroy(&draw->popup);CHKERRQ(ierr); 578 ierr = PetscDrawXiClose(win);CHKERRQ(ierr); 579 ierr = PetscFree(draw->data);CHKERRQ(ierr); 580 PetscFunctionReturn(0); 581 } 582 583 static PetscErrorCode PetscDrawGetSingleton_X(PetscDraw,PetscDraw*); 584 static PetscErrorCode PetscDrawRestoreSingleton_X(PetscDraw,PetscDraw*); 585 PETSC_INTERN PetscErrorCode PetscDrawSave_X(PetscDraw); 586 PETSC_INTERN PetscErrorCode PetscDrawSetSave_X(PetscDraw,const char[]); 587 588 static struct _PetscDrawOps DvOps = { PetscDrawSetDoubleBuffer_X, 589 PetscDrawFlush_X, 590 PetscDrawLine_X, 591 0, 592 0, 593 PetscDrawPoint_X, 594 0, 595 PetscDrawString_X, 596 PetscDrawStringVertical_X, 597 PetscDrawStringSetSize_X, 598 PetscDrawStringGetSize_X, 599 PetscDrawSetViewport_X, 600 PetscDrawClear_X, 601 PetscDrawRectangle_X, 602 PetscDrawTriangle_X, 603 PetscDrawEllipse_X, 604 PetscDrawGetMouseButton_X, 605 PetscDrawPause_X, 606 0, 607 0, 608 PetscDrawGetPopup_X, 609 PetscDrawSetTitle_X, 610 PetscDrawCheckResizedWindow_X, 611 PetscDrawResizeWindow_X, 612 PetscDrawDestroy_X, 613 0, 614 PetscDrawGetSingleton_X, 615 PetscDrawRestoreSingleton_X, 616 PetscDrawSave_X, 617 PetscDrawSetSave_X, 618 0, 619 PetscDrawArrow_X, 620 PetscDrawCoordinateToPixel_X, 621 PetscDrawPixelToCoordinate_X, 622 PetscDrawPointPixel_X, 623 0}; 624 625 626 #undef __FUNCT__ 627 #define __FUNCT__ "PetscDrawGetSingleton_X" 628 static PetscErrorCode PetscDrawGetSingleton_X(PetscDraw draw,PetscDraw *sdraw) 629 { 630 PetscDraw_X *Xwin = (PetscDraw_X*)draw->data,*sXwin; 631 PetscErrorCode ierr; 632 633 PetscFunctionBegin; 634 ierr = PetscDrawCreate(PETSC_COMM_SELF,draw->display,draw->title,draw->x,draw->y,draw->w,draw->h,sdraw);CHKERRQ(ierr); 635 ierr = PetscObjectChangeTypeName((PetscObject)*sdraw,PETSC_DRAW_X);CHKERRQ(ierr); 636 ierr = PetscMemcpy((*sdraw)->ops,&DvOps,sizeof(DvOps));CHKERRQ(ierr); 637 638 if (draw->popup) { 639 PetscBool isnull; 640 ierr = PetscDrawIsNull(draw->popup,&isnull);CHKERRQ(ierr); 641 if (isnull) {ierr = PetscDrawOpenNull(PETSC_COMM_SELF,&(*sdraw)->popup);CHKERRQ(ierr);} 642 else {ierr = PetscDrawGetSingleton(draw->popup,&(*sdraw)->popup);CHKERRQ(ierr);} 643 } 644 645 (*sdraw)->pause = draw->pause; 646 (*sdraw)->coor_xl = draw->coor_xl; 647 (*sdraw)->coor_xr = draw->coor_xr; 648 (*sdraw)->coor_yl = draw->coor_yl; 649 (*sdraw)->coor_yr = draw->coor_yr; 650 (*sdraw)->port_xl = draw->port_xl; 651 (*sdraw)->port_xr = draw->port_xr; 652 (*sdraw)->port_yl = draw->port_yl; 653 (*sdraw)->port_yr = draw->port_yr; 654 655 /* share drawables (windows and/or pixmap) from the parent draw */ 656 ierr = PetscNewLog(*sdraw,&sXwin);CHKERRQ(ierr); 657 (*sdraw)->data = (void*)sXwin; 658 ierr = PetscDrawXiInit(sXwin,draw->display);CHKERRQ(ierr); 659 if (Xwin->win) { 660 ierr = PetscDrawXiQuickWindowFromWindow(sXwin,Xwin->win);CHKERRQ(ierr); 661 sXwin->drw = Xwin->drw; /* XXX If the window is ever resized, this is wrong! */ 662 } else if (Xwin->drw) { 663 ierr = PetscDrawXiColormap(sXwin);CHKERRQ(ierr); 664 sXwin->drw = Xwin->drw; 665 } 666 (*sdraw)->x = sXwin->x; (*sdraw)->y = sXwin->y; 667 (*sdraw)->w = sXwin->w; (*sdraw)->h = sXwin->h; 668 PetscFunctionReturn(0); 669 } 670 671 #undef __FUNCT__ 672 #define __FUNCT__ "PetscDrawRestoreSingleton_X" 673 static PetscErrorCode PetscDrawRestoreSingleton_X(PetscDraw draw,PetscDraw *sdraw) 674 { 675 PetscErrorCode ierr; 676 677 PetscFunctionBegin; 678 if (draw->popup && (*sdraw)->popup) { 679 PetscBool isdrawx; 680 PetscDraw_X *pXwin = (PetscDraw_X*)draw->popup->data; 681 PetscDraw_X *sXwin = (PetscDraw_X*)(*sdraw)->popup->data; 682 ierr = PetscObjectTypeCompare((PetscObject)draw->popup,PETSC_DRAW_X,&isdrawx);CHKERRQ(ierr); 683 if (!isdrawx) goto finally; 684 ierr = PetscObjectTypeCompare((PetscObject)(*sdraw)->popup,PETSC_DRAW_X,&isdrawx);CHKERRQ(ierr); 685 if (!isdrawx) goto finally; 686 if (sXwin->win == pXwin->win) { 687 ierr = PetscDrawRestoreSingleton(draw->popup,&(*sdraw)->popup);CHKERRQ(ierr); 688 } 689 } 690 finally: 691 ierr = PetscDrawDestroy(sdraw);CHKERRQ(ierr); 692 PetscFunctionReturn(0); 693 } 694 695 #undef __FUNCT__ 696 #define __FUNCT__ "PetscDrawXGetDisplaySize_Private" 697 static PetscErrorCode PetscDrawXGetDisplaySize_Private(const char name[],int *width,int *height) 698 { 699 Display *display; 700 701 PetscFunctionBegin; 702 display = XOpenDisplay(name); 703 if (!display) { 704 *width = *height = 0; 705 SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_LIB,"Unable to open display on %s\n\ 706 Make sure your COMPUTE NODES are authorized to connect\n\ 707 to this X server and either your DISPLAY variable\n\ 708 is set or you use the -display name option\n",name); 709 } 710 *width = (int)DisplayWidth(display,DefaultScreen(display)); 711 *height = (int)DisplayHeight(display,DefaultScreen(display)); 712 XCloseDisplay(display); 713 PetscFunctionReturn(0); 714 } 715 716 /*MC 717 PETSC_DRAW_X - PETSc graphics device that uses either X windows or its virtual version Xvfb 718 719 Options Database Keys: 720 + -display <display> - sets the display to use 721 . -x_virtual - forces use of a X virtual display Xvfb that will not display anything but -draw_save will still work. 722 Xvfb is automatically started up in PetscSetDisplay() with this option 723 . -draw_size w,h - percentage of screeen (either 1, .5, .3, .25), or size in pixels 724 . -geometry x,y,w,h - set location and size in pixels 725 . -draw_virtual - do not open a window (draw on a pixmap), -draw_save will still work 726 - -draw_double_buffer - avoid window flickering (draw on pixmap and flush to window) 727 728 Level: beginner 729 730 .seealso: PetscDrawOpenX(), PetscDrawSetDisplay(), PetscDrawSetFromOptions() 731 732 M*/ 733 734 #undef __FUNCT__ 735 #define __FUNCT__ "PetscDrawCreate_X" 736 PETSC_EXTERN PetscErrorCode PetscDrawCreate_X(PetscDraw draw) 737 { 738 PetscDraw_X *Xwin; 739 PetscErrorCode ierr; 740 PetscMPIInt rank; 741 int x = draw->x,y = draw->y,w = draw->w,h = draw->h; 742 static int xavailable = 0,yavailable = 0,ybottom = 0,xmax = 0,ymax = 0; 743 PetscBool set,dvirtual = PETSC_FALSE,doublebuffer = PETSC_TRUE; 744 PetscInt xywh[4],osize = 4,nsizes=2; 745 PetscReal sizes[2] = {.3,.3}; 746 747 PetscFunctionBegin; 748 /* get the display variable */ 749 if (!draw->display) { 750 ierr = PetscMalloc1(256,&draw->display);CHKERRQ(ierr); 751 ierr = PetscGetDisplay(draw->display,256);CHKERRQ(ierr); 752 } 753 754 /* initialize the display size */ 755 if (!xmax) { 756 ierr = PetscDrawXGetDisplaySize_Private(draw->display,&xmax,&ymax); 757 /* if some processors fail on this and others succed then this is a problem ! */ 758 if (ierr) { 759 (*PetscErrorPrintf)("PETSc unable to use X windows\nproceeding without graphics\n"); 760 ierr = PetscDrawSetType(draw,PETSC_DRAW_NULL);CHKERRQ(ierr); 761 PetscFunctionReturn(0); 762 } 763 } 764 765 /* allow user to set size of drawable */ 766 ierr = PetscOptionsGetRealArray(((PetscObject)draw)->options,((PetscObject)draw)->prefix,"-draw_size",sizes,&nsizes,&set);CHKERRQ(ierr); 767 if (set && nsizes == 1 && sizes[0] > 1.0) sizes[1] = sizes[0]; 768 if (set) { 769 if (sizes[0] > 1.0) w = (int)sizes[0]; 770 else if (sizes[0] == 1.0) w = PETSC_DRAW_FULL_SIZE; 771 else if (sizes[0] == .5) w = PETSC_DRAW_HALF_SIZE; 772 else if (sizes[0] == .3) w = PETSC_DRAW_THIRD_SIZE; 773 else if (sizes[0] == .25) w = PETSC_DRAW_QUARTER_SIZE; 774 if (sizes[1] > 1.0) h = (int)sizes[1]; 775 else if (sizes[1] == 1.0) h = PETSC_DRAW_FULL_SIZE; 776 else if (sizes[1] == .5) h = PETSC_DRAW_HALF_SIZE; 777 else if (sizes[1] == .3) h = PETSC_DRAW_THIRD_SIZE; 778 else if (sizes[1] == .25) h = PETSC_DRAW_QUARTER_SIZE; 779 } 780 if (w == PETSC_DECIDE || w == PETSC_DEFAULT) w = draw->w = 300; 781 if (h == PETSC_DECIDE || h == PETSC_DEFAULT) h = draw->h = 300; 782 switch (w) { 783 case PETSC_DRAW_FULL_SIZE: w = draw->w = (xmax - 10); break; 784 case PETSC_DRAW_HALF_SIZE: w = draw->w = (xmax - 20)/2; break; 785 case PETSC_DRAW_THIRD_SIZE: w = draw->w = (xmax - 30)/3; break; 786 case PETSC_DRAW_QUARTER_SIZE: w = draw->w = (xmax - 40)/4; break; 787 } 788 switch (h) { 789 case PETSC_DRAW_FULL_SIZE: h = draw->h = (ymax - 10); break; 790 case PETSC_DRAW_HALF_SIZE: h = draw->h = (ymax - 20)/2; break; 791 case PETSC_DRAW_THIRD_SIZE: h = draw->h = (ymax - 30)/3; break; 792 case PETSC_DRAW_QUARTER_SIZE: h = draw->h = (ymax - 40)/4; break; 793 } 794 795 ierr = PetscOptionsGetBool(((PetscObject)draw)->options,((PetscObject)draw)->prefix,"-draw_virtual",&dvirtual,NULL);CHKERRQ(ierr); 796 797 if (!dvirtual) { 798 799 /* allow user to set location and size of window */ 800 xywh[0] = x; xywh[1] = y; xywh[2] = w; xywh[3] = h; 801 ierr = PetscOptionsGetIntArray(((PetscObject)draw)->options,((PetscObject)draw)->prefix,"-geometry",xywh,&osize,NULL);CHKERRQ(ierr); 802 x = (int)xywh[0]; y = (int)xywh[1]; w = (int)xywh[2]; h = (int)xywh[3]; 803 if (w == PETSC_DECIDE || w == PETSC_DEFAULT) w = 300; 804 if (h == PETSC_DECIDE || h == PETSC_DEFAULT) h = 300; 805 draw->x = x; draw->y = y; draw->w = w; draw->h = h; 806 807 if (draw->x == PETSC_DECIDE || draw->y == PETSC_DECIDE) { 808 /* 809 PETSc tries to place windows starting in the upper left corner 810 and moving across to the right. 811 812 0,0+----------------------------------------------+ 813 | Region used so far +xavailable,yavailable | 814 | | | 815 | | | 816 +--------------------- +ybottom | 817 | | 818 | | 819 +----------------------------------------------+xmax,ymax 820 821 */ 822 /* First: can we add it to the right? */ 823 if (xavailable+w+10 <= xmax) { 824 x = xavailable; 825 y = yavailable; 826 ybottom = PetscMax(ybottom,y + h + 30); 827 } else { 828 /* No, so add it below on the left */ 829 x = 0; 830 xavailable = 0; 831 y = ybottom; 832 yavailable = ybottom; 833 ybottom = ybottom + h + 30; 834 } 835 } 836 /* update available region */ 837 xavailable = PetscMax(xavailable,x + w + 10); 838 if (xavailable >= xmax) { 839 xavailable = 0; 840 yavailable = yavailable + h + 30; 841 ybottom = yavailable; 842 } 843 if (yavailable >= ymax) { 844 y = 0; 845 yavailable = 0; 846 ybottom = 0; 847 } 848 849 } /* endif(!dvirtual) */ 850 851 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)draw),&rank);CHKERRQ(ierr); 852 if (!rank && (w <= 0 || h <= 0)) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Negative window width or height"); 853 854 ierr = PetscNewLog(draw,&Xwin);CHKERRQ(ierr); 855 ierr = PetscMemcpy(draw->ops,&DvOps,sizeof(DvOps));CHKERRQ(ierr); 856 draw->data = (void*)Xwin; 857 858 ierr = PetscDrawXiInit(Xwin,draw->display);CHKERRQ(ierr); 859 if (!dvirtual) { 860 Xwin->x = x; Xwin->y = y; 861 Xwin->w = w; Xwin->h = h; 862 if (!rank) {ierr = PetscDrawXiQuickWindow(Xwin,draw->title,x,y,w,h);CHKERRQ(ierr);} 863 ierr = MPI_Bcast(&Xwin->win,1,MPI_UNSIGNED_LONG,0,PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 864 if (rank) {ierr = PetscDrawXiQuickWindowFromWindow(Xwin,Xwin->win);CHKERRQ(ierr);} 865 } else { 866 Xwin->x = 0; Xwin->y = 0; 867 Xwin->w = w; Xwin->h = h; 868 ierr = PetscDrawXiColormap(Xwin);CHKERRQ(ierr); 869 if (!rank) {ierr = PetscDrawXiQuickPixmap(Xwin);CHKERRQ(ierr);} 870 ierr = MPI_Bcast(&Xwin->drw,1,MPI_UNSIGNED_LONG,0,PetscObjectComm((PetscObject)draw));CHKERRQ(ierr); 871 } 872 draw->x = Xwin->x; draw->y = Xwin->y; 873 draw->w = Xwin->w; draw->h = Xwin->h; 874 875 ierr = PetscOptionsGetBool(((PetscObject)draw)->options,((PetscObject)draw)->prefix,"-draw_double_buffer",&doublebuffer,NULL);CHKERRQ(ierr); 876 if (doublebuffer) {ierr = PetscDrawSetDoubleBuffer(draw);CHKERRQ(ierr);} 877 PetscFunctionReturn(0); 878 } 879