util/wmsetbg.c

   1 /* wmsetbg.c- sets root window background image and also works as
   2  *              workspace background setting helper for wmaker
   3  *
   4  *  WindowMaker window manager
   5  *
   6  *  Copyright (c) 1998-2003 Alfredo K. Kojima
   7  *  Copyright (c) 1998-2003 Dan Pascu
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  22  *  USA.
  23  */
  24
  25 /*
  26  * TODO: rewrite, too dirty
  27  */
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <unistd.h>
  31 #include <X11/Xlib.h>
  32 #include <X11/Xutil.h>
  33 #include <X11/Xatom.h>
  34 #include <string.h>
  35 #include <pwd.h>
  36 #include <signal.h>
  37 #include <sys/types.h>
  38 #include <ctype.h>
  39
  40 #include "../src/config.h"
  41
  42 #ifdef XINERAMA
  43 # ifdef SOLARIS_XINERAMA /* sucks */
  44 #  include <X11/extensions/xinerama.h>
  45 # else
  46 #  include <X11/extensions/Xinerama.h>
  47 # endif
  48 #endif
  49
  50
  51 #ifdef HAVE_DLFCN_H
  52 #include <dlfcn.h>
  53 #endif
  54
  55 #include "../src/wconfig.h"
  56
  57 #include <WINGs/WINGs.h>
  58 #include <wraster.h>
  59
  60
  61 typedef struct {
  62     WMRect *screens;
  63     int count;                 /* screen count, 0 = inactive */
  64 } WXineramaInfo;
  65
  66
  67 #define PROG_VERSION    "wmsetbg (Window Maker) 2.8"
  68
  69
  70 #define WORKSPACE_COUNT (MAX_WORKSPACES+1)
  71
  72
  73 Display *dpy;
  74 char *display = "";
  75 Window root;
  76 int scr;
  77 int scrWidth;
  78 int scrHeight;
  79 int scrX, scrY;
  80
  81
  82 WXineramaInfo xineInfo;
  83
  84 Bool smooth = False;
  85
  86
  87 Pixmap CurrentPixmap = None;
  88 char *PixmapPath = NULL;
  89
  90
  91 extern Pixmap LoadJPEG(RContext *rc, char *file_name, int *width, int *height);
  92
  93
  94 typedef struct BackgroundTexture {
  95     int refcount;
  96
  97     int solid;
  98
  99     char *spec;
 100
 101     XColor color;
 102     Pixmap pixmap;                     /* for all textures, including solid */
 103     int width;                         /* size of the pixmap */
 104     int height;
 105 } BackgroundTexture;
 106
 107
 108
 109 void
 110 initXinerama()
 111 {
 112     xineInfo.screens = NULL;
 113     xineInfo.count = 0;
 114 #ifdef XINERAMA
 115 # ifdef SOLARIS_XINERAMA
 116     if (XineramaGetState(dpy, scr)) {
 117         XRectangle head[MAXFRAMEBUFFERS];
 118         unsigned char hints[MAXFRAMEBUFFERS];
 119         int i;
 120
 121         if (XineramaGetInfo(dpy, scr, head, hints,
 122                             &xineInfo.count)) {
 123
 124             xineInfo.screens = wmalloc(sizeof(WMRect)*(xineInfo.count+1));
 125
 126             for (i=0; i<xineInfo.count; i++) {
 127                 xineInfo.screens[i].pos.x = head[i].x;
 128                 xineInfo.screens[i].pos.y = head[i].y;
 129                 xineInfo.screens[i].size.width = head[i].width;
 130                 xineInfo.screens[i].size.height = head[i].height;
 131             }
 132         }
 133     }
 134 # else /* !SOLARIS_XINERAMA */
 135     if (XineramaIsActive(dpy)) {
 136         XineramaScreenInfo *xine_screens;
 137         int i;
 138
 139         xine_screens = XineramaQueryScreens(dpy, &xineInfo.count);
 140
 141         xineInfo.screens = wmalloc(sizeof(WMRect)*(xineInfo.count+1));
 142
 143         for (i=0; i<xineInfo.count; i++) {
 144             xineInfo.screens[i].pos.x = xine_screens[i].x_org;
 145             xineInfo.screens[i].pos.y = xine_screens[i].y_org;
 146             xineInfo.screens[i].size.width = xine_screens[i].width;
 147             xineInfo.screens[i].size.height = xine_screens[i].height;
 148         }
 149         XFree(xine_screens);
 150     }
 151 # endif /* !SOLARIS_XINERAMA */
 152 #endif /* XINERAMA */
 153 }
 154
 155
 156 RImage*
 157 loadImage(RContext *rc, char *file)
 158 {
 159     char *path;
 160     RImage *image;
 161
 162     if (access(file, F_OK)!=0) {
 163         path = wfindfile(PixmapPath, file);
 164         if (!path) {
 165             wwarning("%s:could not find image file used in texture", file);
 166             return NULL;
 167         }
 168     } else {
 169         path = wstrdup(file);
 170     }
 171
 172     image = RLoadImage(rc, path, 0);
 173     if (!image) {
 174         wwarning("%s:could not load image file used in texture:%s", path,
 175                  RMessageForError(RErrorCode));
 176     }
 177     wfree(path);
 178
 179     return image;
 180 }
 181
 182
 183 static void
 184 applyImage(RContext *rc, BackgroundTexture *texture, RImage *image, char type,
 185            int x, int y, int width, int height)
 186 {
 187     int w, h;
 188     Bool fimage = False;
 189
 190     switch (toupper(type)) {
 191     case 'S':
 192     case 'M':
 193         if (toupper(type) == 'S') {
 194             w = width;
 195             h = height;
 196         } else {
 197             if (image->width*height > image->height*width) {
 198                 w = width;
 199                 h = (width*image->height) / image->width;
 200             } else {
 201                 w = (height*image->width) / image->height;
 202                 h = height;
 203             }
 204         }
 205
 206         if (w != image->width || h != image->height) {
 207             RImage * simage;
 208
 209             if (smooth) {
 210                 simage = RSmoothScaleImage(image, w, h);
 211             } else {
 212                 simage = RScaleImage(image, w, h);
 213             }
 214
 215             if (!simage) {
 216                 wwarning("could not scale image:%s", RMessageForError(RErrorCode));
 217                 return;
 218             }
 219             fimage = True;
 220             image = simage;
 221         }
 222
 223         /* fall through */
 224     case 'C':
 225         {
 226             Pixmap pixmap;
 227
 228             if (!RConvertImage(rc, image, &pixmap)) {
 229                 wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
 230                 return;
 231             }
 232
 233             if (image->width != width || image->height != height) {
 234                 int sx, sy, w, h;
 235
 236                 if (image->height < height) {
 237                     h = image->height;
 238                     y += (height - h) / 2;
 239                     sy = 0;
 240                 } else {
 241                     sy = (image->height - height) / 2;
 242                     h = height;
 243                 }
 244                 if (image->width < width) {
 245                     w = image->width;
 246                     x += (width - w) / 2;
 247                     sx = 0;
 248                 } else {
 249                     sx = (image->width - width) / 2;
 250                     w = width;
 251                 }
 252
 253                 XCopyArea(dpy, pixmap, texture->pixmap, DefaultGC(dpy, scr), sx, sy, w, h, x, y);
 254             } else
 255                 XCopyArea(dpy, pixmap, texture->pixmap, DefaultGC(dpy, scr), 0, 0, width, height, x, y);
 256
 257             XFreePixmap(dpy, pixmap);
 258             if (fimage) {
 259                 RReleaseImage( image);
 260             }
 261         }
 262         break;
 263     }
 264 }
 265
 266
 267 BackgroundTexture*
 268 parseTexture(RContext *rc, char *text)
 269 {
 270     BackgroundTexture *texture = NULL;
 271     WMPropList *texarray;
 272     WMPropList *val;
 273     int count;
 274     char *tmp;
 275     char *type;
 276
 277 #define GETSTRORGOTO(val, str, i, label) \
 278     val = WMGetFromPLArray(texarray, i);\
 279     if (!WMIsPLString(val)) {\
 280     wwarning("could not parse texture %s", text);\
 281     goto label;\
 282     }\
 283     str = WMGetFromPLString(val)
 284
 285     texarray = WMCreatePropListFromDescription(text);
 286     if (!texarray || !WMIsPLArray(texarray)
 287         || (count = WMGetPropListItemCount(texarray)) < 2) {
 288
 289         wwarning("could not parse texture %s", text);
 290         if (texarray)
 291             WMReleasePropList(texarray);
 292         return NULL;
 293     }
 294
 295     texture = wmalloc(sizeof(BackgroundTexture));
 296     memset(texture, 0, sizeof(BackgroundTexture));
 297
 298     GETSTRORGOTO(val, type, 0, error);
 299
 300     if (strcasecmp(type, "solid")==0) {
 301         XColor color;
 302         Pixmap pixmap;
 303
 304         texture->solid = 1;
 305
 306         GETSTRORGOTO(val, tmp, 1, error);
 307
 308         if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 309             wwarning("could not parse color %s in texture %s", tmp, text);
 310             goto error;
 311         }
 312         XAllocColor(dpy, DefaultColormap(dpy, scr), &color);
 313
 314         pixmap = XCreatePixmap(dpy, root, 8, 8, DefaultDepth(dpy, scr));
 315         XSetForeground(dpy, DefaultGC(dpy, scr), color.pixel);
 316         XFillRectangle(dpy, pixmap, DefaultGC(dpy, scr), 0, 0, 8, 8);
 317
 318         texture->pixmap = pixmap;
 319         texture->color = color;
 320         texture->width = 8;
 321         texture->height = 8;
 322     } else if (strcasecmp(type, "vgradient")==0
 323                || strcasecmp(type, "dgradient")==0
 324                || strcasecmp(type, "hgradient")==0) {
 325         XColor color;
 326         RColor color1, color2;
 327         RImage *image;
 328         Pixmap pixmap;
 329         int gtype;
 330         int iwidth, iheight;
 331
 332         GETSTRORGOTO(val, tmp, 1, error);
 333
 334         if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 335             wwarning("could not parse color %s in texture %s", tmp, text);
 336             goto error;
 337         }
 338
 339         color1.red = color.red >> 8;
 340         color1.green = color.green >> 8;
 341         color1.blue = color.blue >> 8;
 342
 343         GETSTRORGOTO(val, tmp, 2, error);
 344
 345         if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 346             wwarning("could not parse color %s in texture %s", tmp, text);
 347             goto error;
 348         }
 349
 350         color2.red = color.red >> 8;
 351         color2.green = color.green >> 8;
 352         color2.blue = color.blue >> 8;
 353
 354         switch (type[0]) {
 355         case 'h':
 356         case 'H':
 357             gtype = RHorizontalGradient;
 358             iwidth = scrWidth;
 359             iheight = 32;
 360             break;
 361         case 'V':
 362         case 'v':
 363             gtype = RVerticalGradient;
 364             iwidth = 32;
 365             iheight = scrHeight;
 366             break;
 367         default:
 368             gtype = RDiagonalGradient;
 369             iwidth = scrWidth;
 370             iheight = scrHeight;
 371             break;
 372         }
 373
 374         image = RRenderGradient(iwidth, iheight, &color1, &color2, gtype);
 375
 376         if (!image) {
 377             wwarning("could not render gradient texture:%s",
 378                      RMessageForError(RErrorCode));
 379             goto error;
 380         }
 381
 382         if (!RConvertImage(rc, image, &pixmap)) {
 383             wwarning("could not convert texture:%s",
 384                      RMessageForError(RErrorCode));
 385             RReleaseImage(image);
 386             goto error;
 387         }
 388
 389         texture->width = image->width;
 390         texture->height = image->height;
 391         RReleaseImage(image);
 392
 393         texture->pixmap = pixmap;
 394     } else if (strcasecmp(type, "mvgradient")==0
 395                || strcasecmp(type, "mdgradient")==0
 396                || strcasecmp(type, "mhgradient")==0) {
 397         XColor color;
 398         RColor **colors;
 399         RImage *image;
 400         Pixmap pixmap;
 401         int i, j;
 402         int gtype;
 403         int iwidth, iheight;
 404
 405         colors = malloc(sizeof(RColor*)*(count-1));
 406         if (!colors) {
 407             wwarning("out of memory while parsing texture");
 408             goto error;
 409         }
 410         memset(colors, 0, sizeof(RColor*)*(count-1));
 411
 412         for (i = 2; i < count; i++) {
 413             val = WMGetFromPLArray(texarray, i);
 414             if (!WMIsPLString(val)) {
 415                 wwarning("could not parse texture %s", text);
 416
 417                 for (j = 0; colors[j]!=NULL; j++)
 418                     wfree(colors[j]);
 419                 wfree(colors);
 420                 goto error;
 421             }
 422             tmp = WMGetFromPLString(val);
 423
 424             if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 425                 wwarning("could not parse color %s in texture %s",
 426                          tmp, text);
 427
 428                 for (j = 0; colors[j]!=NULL; j++)
 429                     wfree(colors[j]);
 430                 wfree(colors);
 431                 goto error;
 432             }
 433             if (!(colors[i-2] = malloc(sizeof(RColor)))) {
 434                 wwarning("out of memory while parsing texture");
 435
 436                 for (j = 0; colors[j]!=NULL; j++)
 437                     wfree(colors[j]);
 438                 wfree(colors);
 439                 goto error;
 440             }
 441
 442             colors[i-2]->red = color.red >> 8;
 443             colors[i-2]->green = color.green >> 8;
 444             colors[i-2]->blue = color.blue >> 8;
 445         }
 446
 447         switch (type[1]) {
 448         case 'h':
 449         case 'H':
 450             gtype = RHorizontalGradient;
 451             iwidth = scrWidth;
 452             iheight = 32;
 453             break;
 454         case 'V':
 455         case 'v':
 456             gtype = RVerticalGradient;
 457             iwidth = 32;
 458             iheight = scrHeight;
 459             break;
 460         default:
 461             gtype = RDiagonalGradient;
 462             iwidth = scrWidth;
 463             iheight = scrHeight;
 464             break;
 465         }
 466
 467         image = RRenderMultiGradient(iwidth, iheight, colors, gtype);
 468
 469         for (j = 0; colors[j]!=NULL; j++)
 470             wfree(colors[j]);
 471         wfree(colors);
 472
 473         if (!image) {
 474             wwarning("could not render gradient texture:%s",
 475                      RMessageForError(RErrorCode));
 476             goto error;
 477         }
 478
 479         if (!RConvertImage(rc, image, &pixmap)) {
 480             wwarning("could not convert texture:%s",
 481                      RMessageForError(RErrorCode));
 482             RReleaseImage(image);
 483             goto error;
 484         }
 485
 486         texture->width = image->width;
 487         texture->height = image->height;
 488         RReleaseImage(image);
 489
 490         texture->pixmap = pixmap;
 491     } else if (strcasecmp(type, "cpixmap")==0
 492                || strcasecmp(type, "spixmap")==0
 493                || strcasecmp(type, "mpixmap")==0
 494                || strcasecmp(type, "tpixmap")==0) {
 495         XColor color;
 496         Pixmap pixmap = None;
 497         RImage *image = NULL;
 498         int iwidth, iheight;
 499         RColor rcolor;
 500
 501
 502         GETSTRORGOTO(val, tmp, 1, error);
 503         /*
 504          if (toupper(type[0]) == 'T' || toupper(type[0]) == 'C')
 505          pixmap = LoadJPEG(rc, tmp, &iwidth, &iheight);
 506          */
 507
 508         if (!pixmap) {
 509             image = loadImage(rc, tmp);
 510             if (!image) {
 511                 goto error;
 512             }
 513             iwidth = image->width;
 514             iheight = image->height;
 515         }
 516
 517         GETSTRORGOTO(val, tmp, 2, error);
 518
 519         if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 520             wwarning("could not parse color %s in texture %s\n", tmp, text);
 521             RReleaseImage(image);
 522             goto error;
 523         }
 524         if (!XAllocColor(dpy, DefaultColormap(dpy, scr), &color)) {
 525             rcolor.red = color.red >> 8;
 526             rcolor.green = color.green >> 8;
 527             rcolor.blue = color.blue >> 8;
 528             RGetClosestXColor(rc, &rcolor, &color);
 529         } else {
 530             rcolor.red = 0;
 531             rcolor.green = 0;
 532             rcolor.blue = 0;
 533         }
 534         /* for images with a transparent color */
 535         if (image->data[3]) {
 536             RCombineImageWithColor(image, &rcolor);
 537         }
 538
 539         switch (toupper(type[0])) {
 540         case 'T':
 541             texture->width = iwidth;
 542             texture->height = iheight;
 543             if (!pixmap && !RConvertImage(rc, image, &pixmap)) {
 544                 wwarning("could not convert texture:%s",
 545                          RMessageForError(RErrorCode));
 546                 RReleaseImage(image);
 547                 goto error;
 548             }
 549             if (image)
 550                 RReleaseImage(image);
 551
 552             texture->pixmap = pixmap;
 553             texture->color = color;
 554             break;
 555         case 'S':
 556         case 'M':
 557         case 'C':
 558             {
 559                 Pixmap tpixmap = XCreatePixmap( dpy, root, scrWidth, scrHeight, DefaultDepth(dpy, scr));
 560                 XSetForeground(dpy, DefaultGC(dpy, scr), color.pixel);
 561                 XFillRectangle(dpy, tpixmap, DefaultGC(dpy, scr), 0, 0, scrWidth, scrHeight);
 562
 563                 texture->pixmap = tpixmap;
 564                 texture->color = color;
 565                 texture->width = scrWidth;
 566                 texture->height = scrHeight;
 567
 568 #ifdef XINERAMA
 569                 if (xineInfo.count) {
 570                     int i;
 571                     for (i=0; i<xineInfo.count; ++i) {
 572                         applyImage(rc, texture, image, type[0],
 573                                    xineInfo.screens[i].pos.x, xineInfo.screens[i].pos.y,
 574                                    xineInfo.screens[i].size.width, xineInfo.screens[i].size.height);
 575                     }
 576                 } else {
 577                     applyImage(rc, texture, image, type[0], 0, 0, scrWidth, scrHeight);
 578                 }
 579 #else /* !XINERAMA */
 580                 applyImage(rc, texture, image, type[0], 0, 0, scrWidth, scrHeight);
 581 #endif /* !XINERAMA */
 582                 RReleaseImage(image);
 583             }
 584             break;
 585         }
 586     } else if (strcasecmp(type, "thgradient")==0
 587                || strcasecmp(type, "tvgradient")==0
 588                || strcasecmp(type, "tdgradient")==0) {
 589         XColor color;
 590         RColor color1, color2;
 591         RImage *image;
 592         RImage *gradient;
 593         RImage *tiled;
 594         Pixmap pixmap;
 595         int opaq;
 596         char *file;
 597         int gtype;
 598         int twidth, theight;
 599
 600         GETSTRORGOTO(val, file, 1, error);
 601
 602         GETSTRORGOTO(val, tmp, 2, error);
 603
 604         opaq = atoi(tmp);
 605
 606         GETSTRORGOTO(val, tmp, 3, error);
 607
 608         if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 609             wwarning("could not parse color %s in texture %s", tmp, text);
 610             goto error;
 611         }
 612
 613         color1.red = color.red >> 8;
 614         color1.green = color.green >> 8;
 615         color1.blue = color.blue >> 8;
 616
 617         GETSTRORGOTO(val, tmp, 4, error);
 618
 619         if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 620             wwarning("could not parse color %s in texture %s", tmp, text);
 621             goto error;
 622         }
 623
 624         color2.red = color.red >> 8;
 625         color2.green = color.green >> 8;
 626         color2.blue = color.blue >> 8;
 627
 628         image = loadImage(rc, file);
 629         if (!image) {
 630             goto error;
 631         }
 632
 633         switch (type[1]) {
 634         case 'h':
 635         case 'H':
 636             gtype = RHorizontalGradient;
 637             twidth = scrWidth;
 638             theight = image->height > scrHeight ? scrHeight : image->height;
 639             break;
 640         case 'V':
 641         case 'v':
 642             gtype = RVerticalGradient;
 643             twidth = image->width > scrWidth ? scrWidth : image->width;
 644             theight = scrHeight;
 645             break;
 646         default:
 647             gtype = RDiagonalGradient;
 648             twidth = scrWidth;
 649             theight = scrHeight;
 650             break;
 651         }
 652         gradient = RRenderGradient(twidth, theight, &color1, &color2, gtype);
 653
 654         if (!gradient) {
 655             wwarning("could not render texture:%s",
 656                      RMessageForError(RErrorCode));
 657             RReleaseImage(gradient);
 658             RReleaseImage(image);
 659             goto error;
 660         }
 661
 662         tiled = RMakeTiledImage(image, twidth, theight);
 663         if (!tiled) {
 664             wwarning("could not render texture:%s",
 665                      RMessageForError(RErrorCode));
 666             RReleaseImage(gradient);
 667             RReleaseImage(image);
 668             goto error;
 669         }
 670         RReleaseImage(image);
 671
 672         RCombineImagesWithOpaqueness(tiled, gradient, opaq);
 673         RReleaseImage(gradient);
 674
 675         if (!RConvertImage(rc, tiled, &pixmap)) {
 676             wwarning("could not convert texture:%s",
 677                      RMessageForError(RErrorCode));
 678             RReleaseImage(tiled);
 679             goto error;
 680         }
 681         texture->width = tiled->width;
 682         texture->height = tiled->height;
 683
 684         RReleaseImage(tiled);
 685
 686         texture->pixmap = pixmap;
 687     } else if (strcasecmp(type, "function")==0) {
 688 #ifdef HAVE_DLFCN_H
 689         void (*initFunc) (Display*, Colormap);
 690         RImage* (*mainFunc) (int, char**, int, int, int);
 691         Pixmap pixmap;
 692         RImage *image = 0;
 693         int success = 0;
 694         char *lib, *func, **argv = 0;
 695         void *handle = 0;
 696         int i, argc;
 697
 698         if (count < 3)
 699             goto function_cleanup;
 700
 701         /* get the library name */
 702         GETSTRORGOTO(val, lib, 1, function_cleanup);
 703
 704         /* get the function name */
 705         GETSTRORGOTO(val, func, 2, function_cleanup);
 706
 707         argc = count - 2;
 708         argv = (char**)wmalloc(argc * sizeof(char*));
 709
 710         /* get the parameters */
 711         argv[0] = func;
 712         for (i=0; i<argc-1; i++) {
 713             GETSTRORGOTO(val, tmp, 3+i, function_cleanup);
 714             argv[i+1] = wstrdup(tmp);
 715         }
 716
 717         handle = dlopen(lib, RTLD_LAZY);
 718         if (!handle) {
 719             wwarning("could not find library %s", lib);
 720             goto function_cleanup;
 721         }
 722
 723         initFunc = dlsym(handle, "initWindowMaker");
 724         if (!initFunc) {
 725             wwarning("could not initialize library %s", lib);
 726             goto function_cleanup;
 727         }
 728         initFunc(dpy, DefaultColormap(dpy, scr));
 729
 730         mainFunc = dlsym(handle, func);
 731         if (!mainFunc) {
 732             wwarning("could not find function %s::%s", lib, func);
 733             goto function_cleanup;
 734         }
 735         image = mainFunc(argc, argv, scrWidth, scrHeight, 0);
 736
 737         if (!RConvertImage(rc, image, &pixmap)) {
 738             wwarning("could not convert texture:%s",
 739                      RMessageForError(RErrorCode));
 740             goto function_cleanup;
 741         }
 742         texture->width = scrWidth;
 743         texture->height = scrHeight;
 744         texture->pixmap = pixmap;
 745         success = 1;
 746
 747     function_cleanup:
 748         if (argv) {
 749             int i;
 750             for (i=0; i<argc; i++) {
 751                 wfree(argv[i]);
 752             }
 753         }
 754         if (handle) {
 755             dlclose(handle);
 756         }
 757         if (image) {
 758             RReleaseImage(image);
 759         }
 760         if (!success) {
 761             goto error;
 762         }
 763 #else
 764         wwarning("function textures not supported");
 765         goto error;
 766 #endif
 767     } else {
 768         wwarning("invalid texture type %s", text);
 769         goto error;
 770     }
 771
 772     texture->spec = wstrdup(text);
 773
 774     return texture;
 775
 776 error:
 777     if (texture)
 778         wfree(texture);
 779     if (texarray)
 780         WMReleasePropList(texarray);
 781
 782     return NULL;
 783 }
 784
 785
 786 void
 787 freeTexture(BackgroundTexture *texture)
 788 {
 789     if (texture->solid) {
 790         long pixel[1];
 791
 792         pixel[0] = texture->color.pixel;
 793         /* dont free black/white pixels */
 794         if (pixel[0]!=BlackPixelOfScreen(DefaultScreenOfDisplay(dpy))
 795             && pixel[0]!=WhitePixelOfScreen(DefaultScreenOfDisplay(dpy)))
 796             XFreeColors(dpy, DefaultColormap(dpy, scr), pixel, 1, 0);
 797     }
 798     if (texture->pixmap) {
 799         XFreePixmap(dpy, texture->pixmap);
 800     }
 801     wfree(texture->spec);
 802     wfree(texture);
 803 }
 804
 805
 806 void
 807 setupTexture(RContext *rc, BackgroundTexture **textures, int *maxTextures,
 808              int workspace, char *texture)
 809 {
 810     BackgroundTexture *newTexture = NULL;
 811     int i;
 812
 813     /* unset the texture */
 814     if (!texture) {
 815         if (textures[workspace]!=NULL) {
 816             textures[workspace]->refcount--;
 817
 818             if (textures[workspace]->refcount == 0)
 819                 freeTexture(textures[workspace]);
 820         }
 821         textures[workspace] = NULL;
 822         return;
 823     }
 824
 825     if (textures[workspace]
 826         && strcasecmp(textures[workspace]->spec, texture)==0) {
 827         /* texture did not change */
 828         return;
 829     }
 830
 831     /* check if the same texture is already created */
 832     for (i = 0; i < *maxTextures; i++) {
 833         if (textures[i] && strcasecmp(textures[i]->spec, texture)==0) {
 834             newTexture = textures[i];
 835             break;
 836         }
 837     }
 838
 839     if (!newTexture) {
 840         /* create the texture */
 841         newTexture = parseTexture(rc, texture);
 842     }
 843     if (!newTexture)
 844         return;
 845
 846     if (textures[workspace]!=NULL) {
 847
 848         textures[workspace]->refcount--;
 849
 850         if (textures[workspace]->refcount == 0)
 851             freeTexture(textures[workspace]);
 852     }
 853
 854     newTexture->refcount++;
 855     textures[workspace] = newTexture;
 856
 857     if (*maxTextures < workspace)
 858         *maxTextures = workspace;
 859 }
 860
 861
 862
 863 Pixmap
 864 duplicatePixmap(Pixmap pixmap, int width, int height)
 865 {
 866     Display *tmpDpy;
 867     Pixmap copyP;
 868
 869     /* must open a new display or the RetainPermanent will
 870      * leave stuff allocated in RContext unallocated after exit */
 871     tmpDpy = XOpenDisplay(display);
 872     if (!tmpDpy) {
 873         wwarning("could not open display to update background image information");
 874
 875         return None;
 876     } else {
 877         XSync(dpy, False);
 878
 879         copyP = XCreatePixmap(tmpDpy, root, width, height,
 880                               DefaultDepth(tmpDpy, scr));
 881         XCopyArea(tmpDpy, pixmap, copyP, DefaultGC(tmpDpy, scr),
 882                   0, 0, width, height, 0, 0);
 883         XSync(tmpDpy, False);
 884
 885         XSetCloseDownMode(tmpDpy, RetainPermanent);
 886         XCloseDisplay(tmpDpy);
 887     }
 888
 889     return copyP;
 890 }
 891
 892
 893 static int
 894 dummyErrorHandler(Display *dpy, XErrorEvent *err)
 895 {
 896     return 0;
 897 }
 898
 899 void
 900 setPixmapProperty(Pixmap pixmap)
 901 {
 902     static Atom prop = 0;
 903     Atom type;
 904     int format;
 905     unsigned long length, after;
 906     unsigned char *data;
 907     int mode;
 908
 909     if (!prop) {
 910         prop = XInternAtom(dpy, "_XROOTPMAP_ID", False);
 911     }
 912
 913     XGrabServer(dpy);
 914
 915     /* Clear out the old pixmap */
 916     XGetWindowProperty(dpy, root, prop, 0L, 1L, False, AnyPropertyType,
 917                        &type, &format, &length, &after, &data);
 918
 919     if ((type == XA_PIXMAP) && (format == 32) && (length == 1)) {
 920         XSetErrorHandler(dummyErrorHandler);
 921         XKillClient(dpy, *((Pixmap *)data));
 922         XSync(dpy, False);
 923         XSetErrorHandler(NULL);
 924         mode = PropModeReplace;
 925     } else {
 926         mode = PropModeAppend;
 927     }
 928     if (pixmap)
 929         XChangeProperty(dpy, root, prop, XA_PIXMAP, 32, mode,
 930                         (unsigned char *) &pixmap, 1);
 931     else
 932         XDeleteProperty(dpy, root, prop);
 933
 934
 935     XUngrabServer(dpy);
 936     XFlush(dpy);
 937 }
 938
 939
 940
 941 void
 942 changeTexture(BackgroundTexture *texture)
 943 {
 944     if (!texture) {
 945         return;
 946     }
 947
 948     if (texture->solid) {
 949         XSetWindowBackground(dpy, root, texture->color.pixel);
 950     } else {
 951         XSetWindowBackgroundPixmap(dpy, root, texture->pixmap);
 952     }
 953     XClearWindow(dpy, root);
 954
 955     XSync(dpy, False);
 956
 957     {
 958         Pixmap pixmap;
 959
 960         pixmap = duplicatePixmap(texture->pixmap, texture->width,
 961                                  texture->height);
 962
 963         setPixmapProperty(pixmap);
 964     }
 965 }
 966
 967
 968 int
 969 readmsg(int fd, unsigned char *buffer, int size)
 970 {
 971     int count;
 972
 973     count = 0;
 974     while (size>0) {
 975         count = read(fd, buffer, size);
 976         if (count < 0)
 977             return -1;
 978         size -= count;
 979         buffer += count;
 980         *buffer = 0;
 981     }
 982
 983     return size;
 984 }
 985
 986
 987 /*
 988  * Message Format:
 989  * sizeSntexture_spec - sets the texture for workspace n
 990  * sizeCn - change background texture to the one for workspace n
 991  * sizePpath - set the pixmap search path
 992  *
 993  * n is 4 bytes
 994  * size = 4 bytes for length of the message data
 995  */
 996 void
 997 helperLoop(RContext *rc)
 998 {
 999     BackgroundTexture *textures[WORKSPACE_COUNT];
1000     int maxTextures = 0;
1001     unsigned char buffer[2048], buf[8];
1002     int size;
1003     int errcount = 4;
1004
1005     memset(textures, 0, WORKSPACE_COUNT*sizeof(BackgroundTexture*));
1006
1007
1008     while (1) {
1009         int workspace;
1010
1011         /* get length of message */
1012         if (readmsg(0, buffer, 4) < 0) {
1013             wsyserror("error reading message from Window Maker");
1014             errcount--;
1015             if (errcount == 0) {
1016                 wfatal("quitting");
1017                 exit(1);
1018             }
1019             continue;
1020         }
1021         memcpy(buf, buffer, 4);
1022         buf[4] = 0;
1023         size = atoi(buf);
1024
1025         /* get message */
1026         if (readmsg(0, buffer, size) < 0) {
1027             wsyserror("error reading message from Window Maker");
1028             errcount--;
1029             if (errcount == 0) {
1030                 wfatal("quitting");
1031                 exit(1);
1032             }
1033             continue;
1034         }
1035 #ifdef DEBUG
1036         printf("RECEIVED %s\n",buffer);
1037 #endif
1038         if (buffer[0]!='P' && buffer[0]!='K') {
1039             memcpy(buf, &buffer[1], 4);
1040             buf[4] = 0;
1041             workspace = atoi(buf);
1042             if (workspace < 0 || workspace >= WORKSPACE_COUNT) {
1043                 wwarning("received message with invalid workspace number %i\n",
1044                          workspace);
1045                 continue;
1046             }
1047         }
1048
1049         switch (buffer[0]) {
1050         case 'S':
1051 #ifdef DEBUG
1052             printf("set texture %s\n", &buffer[5]);
1053 #endif
1054             setupTexture(rc, textures, &maxTextures, workspace, &buffer[5]);
1055             break;
1056
1057         case 'C':
1058 #ifdef DEBUG
1059             printf("change texture %i\n", workspace);
1060 #endif
1061             if (!textures[workspace]) {
1062                 changeTexture(textures[0]);
1063             } else {
1064                 changeTexture(textures[workspace]);
1065             }
1066             break;
1067
1068         case 'P':
1069 #ifdef DEBUG
1070             printf("change pixmappath %s\n", &buffer[1]);
1071 #endif
1072             if (PixmapPath)
1073                 wfree(PixmapPath);
1074             PixmapPath = wstrdup(&buffer[1]);
1075             break;
1076
1077         case 'U':
1078 #ifdef DEBUG
1079             printf("unset workspace %i\n", workspace);
1080 #endif
1081             setupTexture(rc, textures, &maxTextures, workspace, NULL);
1082             break;
1083
1084         case 'K':
1085 #ifdef DEBUG
1086             printf("exit command\n");
1087 #endif
1088             exit(0);
1089
1090         default:
1091             wwarning("unknown message received");
1092             break;
1093         }
1094     }
1095 }
1096
1097
1098 void
1099 updateDomain(char *domain, char *key, char *texture)
1100 {
1101     char *program = "wdwrite";
1102
1103     /* here is a mem leak */
1104     system(wstrconcat("wdwrite ",
1105                       wstrconcat(domain, smooth ? " SmoothWorkspaceBack YES"
1106                                  : " SmoothWorkspaceBack NO")));
1107
1108     execlp(program, program, domain, key, texture, NULL);
1109     wwarning("warning could not run \"%s\"", program);
1110 }
1111
1112
1113
1114 char*
1115 globalDefaultsPathForDomain(char *domain)
1116 {
1117     char path[1024];
1118
1119     sprintf(path, "%s/WindowMaker/%s", SYSCONFDIR, domain);
1120
1121     return wstrdup(path);
1122 }
1123
1124
1125 static WMPropList*
1126 getValueForKey(char *domain, char *keyName)
1127 {
1128     char *path;
1129     WMPropList *key, *val, *d;
1130
1131     key = WMCreatePLString(keyName);
1132
1133     /* try to find PixmapPath in user defaults */
1134     path = wdefaultspathfordomain(domain);
1135     d = WMReadPropListFromFile(path);
1136     if (!d) {
1137         wwarning("could not open domain file %s", path);
1138     }
1139     wfree(path);
1140
1141     if (d && !WMIsPLDictionary(d)) {
1142         WMReleasePropList(d);
1143         d = NULL;
1144     }
1145     if (d) {
1146         val = WMGetFromPLDictionary(d, key);
1147     } else {
1148         val = NULL;
1149     }
1150     /* try to find PixmapPath in global defaults */
1151     if (!val) {
1152         path = globalDefaultsPathForDomain(domain);
1153         if (!path) {
1154             wwarning("could not locate file for domain %s", domain);
1155             d = NULL;
1156         } else {
1157             d = WMReadPropListFromFile(path);
1158             wfree(path);
1159         }
1160
1161         if (d && !WMIsPLDictionary(d)) {
1162             WMReleasePropList(d);
1163             d = NULL;
1164         }
1165         if (d) {
1166             val = WMGetFromPLDictionary(d, key);
1167
1168         } else {
1169             val = NULL;
1170         }
1171     }
1172
1173     if (val)
1174         WMRetainPropList(val);
1175
1176     WMReleasePropList(key);
1177     if (d)
1178         WMReleasePropList(d);
1179
1180     return val;
1181 }
1182
1183
1184
1185 char*
1186 getPixmapPath(char *domain)
1187 {
1188     WMPropList *val;
1189     char *ptr, *data;
1190     int len, i, count;
1191
1192     val = getValueForKey(domain, "PixmapPath");
1193
1194     if (!val || !WMIsPLArray(val)) {
1195         if (val)
1196             WMReleasePropList(val);
1197         return wstrdup("");
1198     }
1199
1200     count = WMGetPropListItemCount(val);
1201     len = 0;
1202     for (i=0; i<count; i++) {
1203         WMPropList *v;
1204
1205         v = WMGetFromPLArray(val, i);
1206         if (!v || !WMIsPLString(v)) {
1207             continue;
1208         }
1209         len += strlen(WMGetFromPLString(v))+1;
1210     }
1211
1212     ptr = data = wmalloc(len+1);
1213     *ptr = 0;
1214
1215     for (i=0; i<count; i++) {
1216         WMPropList *v;
1217
1218         v = WMGetFromPLArray(val, i);
1219         if (!v || !WMIsPLString(v)) {
1220             continue;
1221         }
1222         strcpy(ptr, WMGetFromPLString(v));
1223
1224         ptr += strlen(WMGetFromPLString(v));
1225         *ptr = ':';
1226         ptr++;
1227     }
1228     if (i>0)
1229         ptr--; *(ptr--) = 0;
1230
1231         WMReleasePropList(val);
1232
1233         return data;
1234 }
1235
1236
1237 char*
1238 getFullPixmapPath(char *file)
1239 {
1240     char *tmp;
1241
1242     if (!PixmapPath || !(tmp = wfindfile(PixmapPath, file))) {
1243         int bsize = 512;
1244         char *path = wmalloc(bsize);
1245
1246         while (!getcwd(path, bsize)) {
1247             bsize += bsize/2;
1248             path = wrealloc(path, bsize);
1249         }
1250
1251         tmp = wstrconcat(path, "/");
1252         wfree(path);
1253         path = wstrconcat(tmp, file);
1254         wfree(tmp);
1255
1256         return path;
1257     }
1258
1259     /* the file is in the PixmapPath */
1260     wfree(tmp);
1261
1262     return wstrdup(file);
1263 }
1264
1265
1266
1267 void
1268 wAbort()
1269 {
1270     wfatal("aborting");
1271     exit(1);
1272 }
1273
1274
1275
1276 void
1277 print_help(char *ProgName)
1278 {
1279     printf("Usage: %s [options] [image]\n", ProgName);
1280     puts("Sets the workspace background to the specified image or a texture and optionally update Window Maker configuration");
1281     puts("");
1282 #define P(m) puts(m)
1283     P(" -display                        display to use");
1284     P(" -d, --dither                    dither image");
1285     P(" -m, --match                     match  colors");
1286     P(" -S, --smooth                    smooth scaled image");
1287     P(" -b, --back-color <color>        background color");
1288     P(" -t, --tile                      tile   image");
1289     P(" -e, --center                    center image");
1290     P(" -s, --scale                     scale  image (default)");
1291     P(" -a, --maxscale                  scale  image and keep aspect ratio");
1292     P(" -u, --update-wmaker             update WindowMaker domain database");
1293     P(" -D, --update-domain <domain>    update <domain> database");
1294     P(" -c, --colors <cpc>              colors per channel to use");
1295     P(" -p, --parse <texture>           proplist style texture specification");
1296     P(" -w, --workspace <workspace>     update background for the specified workspace");
1297     P("     --version                   show version of wmsetbg and exit");
1298     P("     --help                      show this help and exit");
1299 #undef P
1300 }
1301
1302
1303
1304 void
1305 changeTextureForWorkspace(char *domain, char *texture, int workspace)
1306 {
1307     WMPropList *array, *val;
1308     char *value;
1309     int j;
1310
1311     val = WMCreatePropListFromDescription(texture);
1312     if (!val) {
1313         wwarning("could not parse texture %s", texture);
1314         return;
1315     }
1316
1317     array = getValueForKey("WindowMaker", "WorkspaceSpecificBack");
1318
1319     if (!array) {
1320         array = WMCreatePLArray(NULL, NULL);
1321     }
1322
1323     j = WMGetPropListItemCount(array);
1324     if (workspace >= j) {
1325         WMPropList *empty;
1326
1327         empty = WMCreatePLArray(NULL, NULL);
1328
1329         while (j++ < workspace-1) {
1330             WMAddToPLArray(array, empty);
1331         }
1332         WMAddToPLArray(array, val);
1333     } else {
1334         WMDeleteFromPLArray(array, workspace);
1335         WMInsertInPLArray(array, workspace, val);
1336     }
1337
1338     value = WMGetPropListDescription(array, False);
1339     updateDomain(domain, "WorkspaceSpecificBack", value);
1340 }
1341
1342
1343 int
1344 main(int argc, char **argv)
1345 {
1346     int i;
1347     int helperMode = 0;
1348     RContext *rc;
1349     RContextAttributes rattr;
1350     char *style = "spixmap";
1351     char *back_color = "gray20";
1352     char *image_name = NULL;
1353     char *domain = "WindowMaker";
1354     int update=0, cpc=4, render_mode=RDitheredRendering, obey_user=0;
1355     char *texture = NULL;
1356     int workspace = -1;
1357
1358     signal(SIGINT, SIG_DFL);
1359     signal(SIGTERM, SIG_DFL);
1360     signal(SIGQUIT, SIG_DFL);
1361     signal(SIGSEGV, SIG_DFL);
1362     signal(SIGBUS, SIG_DFL);
1363     signal(SIGFPE, SIG_DFL);
1364     signal(SIGABRT, SIG_DFL);
1365     signal(SIGHUP, SIG_DFL);
1366     signal(SIGPIPE, SIG_DFL);
1367     signal(SIGCHLD, SIG_DFL);
1368
1369     WMInitializeApplication("wmsetbg", &argc, argv);
1370
1371     for (i=1; i<argc; i++) {
1372         if (strcmp(argv[i], "-helper")==0) {
1373             helperMode = 1;
1374         } else if (strcmp(argv[i], "-display")==0) {
1375             i++;
1376             if (i>=argc) {
1377                 wfatal("too few arguments for %s\n", argv[i-1]);
1378                 exit(1);
1379             }
1380             display = argv[i];
1381         } else if (strcmp(argv[i], "-s")==0
1382                    || strcmp(argv[i], "--scale")==0) {
1383             style = "spixmap";
1384         } else if (strcmp(argv[i], "-t")==0
1385                    || strcmp(argv[i], "--tile")==0) {
1386             style = "tpixmap";
1387         } else if (strcmp(argv[i], "-e")==0
1388                    || strcmp(argv[i], "--center")==0) {
1389             style = "cpixmap";
1390         } else if (strcmp(argv[i], "-a")==0
1391                    || strcmp(argv[i], "--maxscale")==0) {
1392             style = "mpixmap";
1393         } else if (strcmp(argv[i], "-d")==0
1394                    || strcmp(argv[i], "--dither")==0) {
1395             render_mode = RDitheredRendering;
1396             obey_user++;
1397         } else if (strcmp(argv[i], "-m")==0
1398                    || strcmp(argv[i], "--match")==0) {
1399             render_mode = RBestMatchRendering;
1400             obey_user++;
1401         } else if (strcmp(argv[i], "-S")==0
1402                    || strcmp(argv[i], "--smooth")==0) {
1403             smooth = True;
1404         } else if (strcmp(argv[i], "-u")==0
1405                    || strcmp(argv[i], "--update-wmaker")==0) {
1406             update++;
1407         } else if (strcmp(argv[i], "-D")==0
1408                    || strcmp(argv[i], "--update-domain")==0) {
1409             update++;
1410             i++;
1411             if (i>=argc) {
1412                 wfatal("too few arguments for %s\n", argv[i-1]);
1413                 exit(1);
1414             }
1415             domain = wstrdup(argv[i]);
1416         } else if (strcmp(argv[i], "-c")==0
1417                    || strcmp(argv[i], "--colors")==0) {
1418             i++;
1419             if (i>=argc) {
1420                 wfatal("too few arguments for %s\n", argv[i-1]);
1421                 exit(1);
1422             }
1423             if (sscanf(argv[i], "%i", &cpc)!=1) {
1424                 wfatal("bad value for colors per channel: \"%s\"\n", argv[i]);
1425                 exit(1);
1426             }
1427         } else if (strcmp(argv[i], "-b")==0
1428                    || strcmp(argv[i], "--back-color")==0) {
1429             i++;
1430             if (i>=argc) {
1431                 wfatal("too few arguments for %s\n", argv[i-1]);
1432                 exit(1);
1433             }
1434             back_color = argv[i];
1435         } else if (strcmp(argv[i], "-p")==0
1436                    || strcmp(argv[i], "--parse")==0) {
1437             i++;
1438             if (i>=argc) {
1439                 wfatal("too few arguments for %s\n", argv[i-1]);
1440                 exit(1);
1441             }
1442             texture = argv[i];
1443         } else if (strcmp(argv[i], "-w")==0
1444                    || strcmp(argv[i], "--workspace")==0) {
1445             i++;
1446             if (i>=argc) {
1447                 wfatal("too few arguments for %s\n", argv[i-1]);
1448                 exit(1);
1449             }
1450             if (sscanf(argv[i], "%i", &workspace)!=1) {
1451                 wfatal("bad value for workspace number: \"%s\"",
1452                        argv[i]);
1453                 exit(1);
1454             }
1455         } else if (strcmp(argv[i], "--version")==0) {
1456
1457             printf(PROG_VERSION);
1458             exit(0);
1459
1460         } else if (strcmp(argv[i], "--help")==0) {
1461             print_help(argv[0]);
1462             exit(0);
1463         } else if (argv[i][0] != '-') {
1464             image_name = argv[i];
1465         } else {
1466             printf("%s: invalid argument '%s'\n", argv[0], argv[i]);
1467             printf("Try '%s --help' for more information\n", argv[0]);
1468             exit(1);
1469         }
1470     }
1471     if (!image_name && !texture && !helperMode) {
1472         printf("%s: you must specify a image file name or a texture\n",
1473                argv[0]);
1474         printf("Try '%s --help' for more information\n", argv[0]);
1475         exit(1);
1476     }
1477
1478
1479     PixmapPath = getPixmapPath(domain);
1480     if (!smooth) {
1481         WMPropList *val;
1482 #if 0 /* some problem with Alpha... TODO: check if its right */
1483         val = WMGetFromPLDictionary(domain,
1484                                     WMCreatePLString("SmoothWorkspaceBack"));
1485 #else
1486         val = getValueForKey(domain, "SmoothWorkspaceBack");
1487 #endif
1488
1489         if (val && WMIsPLString(val) && strcasecmp(WMGetFromPLString(val), "YES")==0)
1490             smooth = True;
1491     }
1492
1493     dpy = XOpenDisplay(display);
1494     if (!dpy) {
1495         wfatal("could not open display");
1496         exit(1);
1497     }
1498 #if 0
1499     XSynchronize(dpy, 1);
1500 #endif
1501
1502     root = DefaultRootWindow(dpy);
1503
1504     scr = DefaultScreen(dpy);
1505
1506     scrWidth = WidthOfScreen(DefaultScreenOfDisplay(dpy));
1507     scrHeight = HeightOfScreen(DefaultScreenOfDisplay(dpy));
1508     scrX = scrY = 0;
1509
1510     initXinerama();
1511
1512
1513     if (!obey_user && DefaultDepth(dpy, scr) <= 8)
1514         render_mode = RDitheredRendering;
1515
1516     rattr.flags = RC_RenderMode | RC_ColorsPerChannel
1517         | RC_StandardColormap | RC_DefaultVisual;
1518     rattr.render_mode = render_mode;
1519     rattr.colors_per_channel = cpc;
1520     rattr.standard_colormap_mode = RCreateStdColormap;
1521
1522     rc = RCreateContext(dpy, scr, &rattr);
1523
1524     if (!rc) {
1525         rattr.standard_colormap_mode = RIgnoreStdColormap;
1526         rc = RCreateContext(dpy, scr, &rattr);
1527     }
1528
1529     if (!rc) {
1530         wfatal("could not initialize wrlib: %s",
1531                RMessageForError(RErrorCode));
1532         exit(1);
1533     }
1534
1535     if (helperMode) {
1536         /* lower priority, so that it wont use all the CPU */
1537         nice(15);
1538
1539         helperLoop(rc);
1540     } else {
1541         BackgroundTexture *tex;
1542         char buffer[4098];
1543
1544         if (!texture) {
1545             char *image_path = getFullPixmapPath(image_name);
1546
1547             sprintf(buffer, "(%s, \"%s\", %s)", style, image_path, back_color);
1548             wfree(image_path);
1549             texture = (char*)buffer;
1550         }
1551
1552         if (update && workspace < 0) {
1553             updateDomain(domain, "WorkspaceBack", texture);
1554         }
1555
1556         tex = parseTexture(rc, texture);
1557         if (!tex)
1558             exit(1);
1559
1560         if (workspace<0)
1561             changeTexture(tex);
1562         else {
1563             /* always update domain */
1564             changeTextureForWorkspace(domain, texture, workspace);
1565         }
1566     }
1567
1568     return 0;
1569 }
1570