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 along
  20  *  with this program; if not, write to the Free Software Foundation, Inc.,
  21  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 /*
  25  * TODO: rewrite, too dirty
  26  */
  27 #include "config.h"
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <unistd.h>
  32 #include <X11/Xlib.h>
  33 #include <X11/Xutil.h>
  34 #include <X11/Xatom.h>
  35 #include <string.h>
  36 #include <strings.h>
  37 #include <pwd.h>
  38 #include <signal.h>
  39 #include <sys/types.h>
  40 #include <ctype.h>
  41
  42 #ifdef USE_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 #ifdef HAVE_STDNORETURN
  51 #include <stdnoreturn.h>
  52 #endif
  53
  54 #include "../src/wconfig.h"
  55
  56 #ifndef GLOBAL_DEFAULTS_SUBDIR
  57 #define GLOBAL_DEFAULTS_SUBDIR "WindowMaker"
  58 #endif
  59
  60 #include <WINGs/WINGs.h>
  61 #include <wraster.h>
  62
  63 typedef struct {
  64         WMRect *screens;
  65         int count;              /* screen count, 0 = inactive */
  66 } WXineramaInfo;
  67
  68 #define WORKSPACE_COUNT (MAX_WORKSPACES+1)
  69
  70 Display *dpy;
  71 char *display = "";
  72 Window root;
  73 int scr;
  74 int scrWidth;
  75 int scrHeight;
  76 int scrX, scrY;
  77
  78 WXineramaInfo xineInfo;
  79
  80 Bool smooth = False;
  81 #ifdef USE_XINERAMA
  82 Bool xineStretch = False;
  83 #endif
  84
  85 Pixmap CurrentPixmap = None;
  86 char *PixmapPath = NULL;
  87
  88 extern char *__progname;
  89
  90 typedef struct BackgroundTexture {
  91         int refcount;
  92
  93         int solid;
  94
  95         char *spec;
  96
  97         XColor color;
  98         Pixmap pixmap;          /* for all textures, including solid */
  99         int width;              /* size of the pixmap */
 100         int height;
 101 } BackgroundTexture;
 102
 103 static noreturn void quit(int rcode)
 104 {
 105         WMReleaseApplication();
 106         exit(rcode);
 107 }
 108
 109 static void initXinerama(void)
 110 {
 111         xineInfo.screens = NULL;
 112         xineInfo.count = 0;
 113 #ifdef USE_XINERAMA
 114 # ifdef SOLARIS_XINERAMA
 115         if (XineramaGetState(dpy, scr)) {
 116                 XRectangle head[MAXFRAMEBUFFERS];
 117                 unsigned char hints[MAXFRAMEBUFFERS];
 118                 int i;
 119
 120                 if (XineramaGetInfo(dpy, scr, head, hints, &xineInfo.count)) {
 121
 122                         xineInfo.screens = wmalloc(sizeof(WMRect) * (xineInfo.count + 1));
 123
 124                         for (i = 0; i < xineInfo.count; i++) {
 125                                 xineInfo.screens[i].pos.x = head[i].x;
 126                                 xineInfo.screens[i].pos.y = head[i].y;
 127                                 xineInfo.screens[i].size.width = head[i].width;
 128                                 xineInfo.screens[i].size.height = head[i].height;
 129                         }
 130                 }
 131         }
 132 # else                          /* !SOLARIS_XINERAMA */
 133         if (XineramaIsActive(dpy)) {
 134                 XineramaScreenInfo *xine_screens;
 135                 int i;
 136
 137                 xine_screens = XineramaQueryScreens(dpy, &xineInfo.count);
 138
 139                 xineInfo.screens = wmalloc(sizeof(WMRect) * (xineInfo.count + 1));
 140
 141                 for (i = 0; i < xineInfo.count; i++) {
 142                         xineInfo.screens[i].pos.x = xine_screens[i].x_org;
 143                         xineInfo.screens[i].pos.y = xine_screens[i].y_org;
 144                         xineInfo.screens[i].size.width = xine_screens[i].width;
 145                         xineInfo.screens[i].size.height = xine_screens[i].height;
 146                 }
 147                 XFree(xine_screens);
 148         }
 149 # endif                         /* !SOLARIS_XINERAMA */
 150 #endif                          /* USE_XINERAMA */
 151 }
 152
 153 static RImage *loadImage(RContext * rc, const char *file)
 154 {
 155         char *path;
 156         RImage *image;
 157
 158         if (access(file, F_OK) != 0) {
 159                 path = wfindfile(PixmapPath, file);
 160                 if (!path) {
 161                         wwarning("%s:could not find image file used in texture", file);
 162                         return NULL;
 163                 }
 164         } else {
 165                 path = wstrdup(file);
 166         }
 167
 168         image = RLoadImage(rc, path, 0);
 169         if (!image) {
 170                 wwarning("%s:could not load image file used in texture:%s", path, RMessageForError(RErrorCode));
 171         }
 172         wfree(path);
 173
 174         return image;
 175 }
 176
 177 static void
 178 applyImage(RContext * rc, BackgroundTexture * texture, RImage * image, char type,
 179            int x, int y, int width, int height)
 180 {
 181         int w, h;
 182         Bool fimage = False;
 183
 184         switch (toupper(type)) {
 185         case 'S':
 186         case 'M':
 187         case 'F':
 188                 if (toupper(type) == 'S') {
 189                         w = width;
 190                         h = height;
 191                 } else if(toupper(type) == 'F') {
 192                         if (image->width * height > image->height * width) {
 193                                 w = (height * image->width) / image->height;
 194                                 h = height;
 195                         } else {
 196                                 w = width;
 197                                 h = (width * image->height) / image->width;
 198                         }
 199                 } else {
 200                         if (image->width * height > image->height * width) {
 201                                 w = width;
 202                                 h = (width * image->height) / image->width;
 203                         } else {
 204                                 w = (height * image->width) / image->height;
 205                                 h = height;
 206                         }
 207                 }
 208
 209                 if (w != image->width || h != image->height) {
 210                         RImage *simage;
 211
 212                         if (smooth) {
 213                                 simage = RSmoothScaleImage(image, w, h);
 214                         } else {
 215                                 simage = RScaleImage(image, w, h);
 216                         }
 217
 218                         if (!simage) {
 219                                 wwarning("could not scale image:%s", RMessageForError(RErrorCode));
 220                                 return;
 221                         }
 222                         fimage = True;
 223                         image = simage;
 224                 }
 225
 226                 /* fall through */
 227         case 'C':
 228                 {
 229                         Pixmap pixmap;
 230
 231                         if (!RConvertImage(rc, image, &pixmap)) {
 232                                 wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
 233                                 if (fimage)
 234                                         RReleaseImage(image);
 235                                 return;
 236                         }
 237
 238                         if (image->width != width || image->height != height) {
 239                                 int sx, sy, w, h;
 240
 241                                 if (image->height < height) {
 242                                         h = image->height;
 243                                         y += (height - h) / 2;
 244                                         sy = 0;
 245                                 } else {
 246                                         sy = (image->height - height) / 2;
 247                                         h = height;
 248                                 }
 249                                 if (image->width < width) {
 250                                         w = image->width;
 251                                         x += (width - w) / 2;
 252                                         sx = 0;
 253                                 } else {
 254                                         sx = (image->width - width) / 2;
 255                                         w = width;
 256                                 }
 257
 258                                 XCopyArea(dpy, pixmap, texture->pixmap, DefaultGC(dpy, scr), sx, sy, w, h, x, y);
 259                         } else
 260                                 XCopyArea(dpy, pixmap, texture->pixmap, DefaultGC(dpy, scr), 0, 0, width, height,
 261                                           x, y);
 262
 263                         XFreePixmap(dpy, pixmap);
 264                         if (fimage) {
 265                                 RReleaseImage(image);
 266                         }
 267                 }
 268                 break;
 269         }
 270 }
 271
 272 static BackgroundTexture *parseTexture(RContext * rc, char *text)
 273 {
 274         BackgroundTexture *texture = NULL;
 275         WMPropList *texarray;
 276         WMPropList *val;
 277         int count;
 278         char *tmp;
 279         char *type;
 280
 281 #define GETSTRORGOTO(val, str, i, label) \
 282     val = WMGetFromPLArray(texarray, i);\
 283     if (!WMIsPLString(val)) {\
 284     wwarning("could not parse texture %s", text);\
 285     goto label;\
 286     }\
 287     str = WMGetFromPLString(val)
 288
 289         texarray = WMCreatePropListFromDescription(text);
 290         if (!texarray || !WMIsPLArray(texarray)
 291             || (count = WMGetPropListItemCount(texarray)) < 2) {
 292
 293                 wwarning("could not parse texture %s", text);
 294                 if (texarray)
 295                         WMReleasePropList(texarray);
 296                 return NULL;
 297         }
 298
 299         texture = wmalloc(sizeof(BackgroundTexture));
 300
 301         GETSTRORGOTO(val, type, 0, error);
 302
 303         if (strcasecmp(type, "solid") == 0) {
 304                 XColor color;
 305                 Pixmap pixmap;
 306
 307                 texture->solid = 1;
 308
 309                 GETSTRORGOTO(val, tmp, 1, error);
 310
 311                 if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 312                         wwarning("could not parse color %s in texture %s", tmp, text);
 313                         goto error;
 314                 }
 315                 XAllocColor(dpy, DefaultColormap(dpy, scr), &color);
 316
 317                 pixmap = XCreatePixmap(dpy, root, 8, 8, DefaultDepth(dpy, scr));
 318                 XSetForeground(dpy, DefaultGC(dpy, scr), color.pixel);
 319                 XFillRectangle(dpy, pixmap, DefaultGC(dpy, scr), 0, 0, 8, 8);
 320
 321                 texture->pixmap = pixmap;
 322                 texture->color = color;
 323                 texture->width = 8;
 324                 texture->height = 8;
 325         } else if (strcasecmp(type, "vgradient") == 0
 326                    || strcasecmp(type, "dgradient") == 0 || strcasecmp(type, "hgradient") == 0) {
 327                 XColor color;
 328                 RColor color1, color2;
 329                 RImage *image;
 330                 Pixmap pixmap;
 331                 RGradientStyle gtype;
 332                 int iwidth, iheight;
 333
 334                 GETSTRORGOTO(val, tmp, 1, error);
 335
 336                 if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 337                         wwarning("could not parse color %s in texture %s", tmp, text);
 338                         goto error;
 339                 }
 340
 341                 color1.red = color.red >> 8;
 342                 color1.green = color.green >> 8;
 343                 color1.blue = color.blue >> 8;
 344
 345                 GETSTRORGOTO(val, tmp, 2, error);
 346
 347                 if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 348                         wwarning("could not parse color %s in texture %s", tmp, text);
 349                         goto error;
 350                 }
 351
 352                 color2.red = color.red >> 8;
 353                 color2.green = color.green >> 8;
 354                 color2.blue = color.blue >> 8;
 355
 356                 switch (type[0]) {
 357                 case 'h':
 358                 case 'H':
 359                         gtype = RHorizontalGradient;
 360                         iwidth = scrWidth;
 361                         iheight = 32;
 362                         break;
 363                 case 'V':
 364                 case 'v':
 365                         gtype = RVerticalGradient;
 366                         iwidth = 32;
 367                         iheight = scrHeight;
 368                         break;
 369                 default:
 370                         gtype = RDiagonalGradient;
 371                         iwidth = scrWidth;
 372                         iheight = scrHeight;
 373                         break;
 374                 }
 375
 376                 image = RRenderGradient(iwidth, iheight, &color1, &color2, gtype);
 377
 378                 if (!image) {
 379                         wwarning("could not render gradient texture:%s", RMessageForError(RErrorCode));
 380                         goto error;
 381                 }
 382
 383                 if (!RConvertImage(rc, image, &pixmap)) {
 384                         wwarning("could not convert texture:%s", 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 || strcasecmp(type, "mhgradient") == 0) {
 396                 XColor color;
 397                 RColor **colors;
 398                 RImage *image;
 399                 Pixmap pixmap;
 400                 int i, j;
 401                 RGradientStyle gtype;
 402                 int iwidth, iheight;
 403
 404                 colors = malloc(sizeof(RColor *) * (count - 1));
 405                 if (!colors) {
 406                         wwarning("out of memory while parsing texture");
 407                         goto error;
 408                 }
 409                 memset(colors, 0, sizeof(RColor *) * (count - 1));
 410
 411                 for (i = 2; i < count; i++) {
 412                         val = WMGetFromPLArray(texarray, i);
 413                         if (!WMIsPLString(val)) {
 414                                 wwarning("could not parse texture %s", text);
 415
 416                                 for (j = 0; colors[j] != NULL; j++)
 417                                         wfree(colors[j]);
 418                                 wfree(colors);
 419                                 goto error;
 420                         }
 421                         tmp = WMGetFromPLString(val);
 422
 423                         if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 424                                 wwarning("could not parse color %s in texture %s", tmp, text);
 425
 426                                 for (j = 0; colors[j] != NULL; j++)
 427                                         wfree(colors[j]);
 428                                 wfree(colors);
 429                                 goto error;
 430                         }
 431                         if (!(colors[i - 2] = malloc(sizeof(RColor)))) {
 432                                 wwarning("out of memory while parsing texture");
 433
 434                                 for (j = 0; colors[j] != NULL; j++)
 435                                         wfree(colors[j]);
 436                                 wfree(colors);
 437                                 goto error;
 438                         }
 439
 440                         colors[i - 2]->red = color.red >> 8;
 441                         colors[i - 2]->green = color.green >> 8;
 442                         colors[i - 2]->blue = color.blue >> 8;
 443                 }
 444
 445                 switch (type[1]) {
 446                 case 'h':
 447                 case 'H':
 448                         gtype = RHorizontalGradient;
 449                         iwidth = scrWidth;
 450                         iheight = 32;
 451                         break;
 452                 case 'V':
 453                 case 'v':
 454                         gtype = RVerticalGradient;
 455                         iwidth = 32;
 456                         iheight = scrHeight;
 457                         break;
 458                 default:
 459                         gtype = RDiagonalGradient;
 460                         iwidth = scrWidth;
 461                         iheight = scrHeight;
 462                         break;
 463                 }
 464
 465                 image = RRenderMultiGradient(iwidth, iheight, colors, gtype);
 466
 467                 for (j = 0; colors[j] != NULL; j++)
 468                         wfree(colors[j]);
 469                 wfree(colors);
 470
 471                 if (!image) {
 472                         wwarning("could not render gradient texture:%s", RMessageForError(RErrorCode));
 473                         goto error;
 474                 }
 475
 476                 if (!RConvertImage(rc, image, &pixmap)) {
 477                         wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
 478                         RReleaseImage(image);
 479                         goto error;
 480                 }
 481
 482                 texture->width = image->width;
 483                 texture->height = image->height;
 484                 RReleaseImage(image);
 485
 486                 texture->pixmap = pixmap;
 487         } else if (strcasecmp(type, "cpixmap") == 0
 488                    || strcasecmp(type, "spixmap") == 0 || strcasecmp(type, "fpixmap") == 0
 489                    || strcasecmp(type, "mpixmap") == 0 || strcasecmp(type, "tpixmap") == 0) {
 490                 XColor color;
 491                 Pixmap pixmap = None;
 492                 RImage *image = NULL;
 493                 int iwidth = 0, iheight = 0;
 494                 RColor rcolor;
 495
 496                 GETSTRORGOTO(val, tmp, 1, error);
 497                 /*
 498                    if (toupper(type[0]) == 'T' || toupper(type[0]) == 'C')
 499                    pixmap = LoadJPEG(rc, tmp, &iwidth, &iheight);
 500                  */
 501
 502                 if (!pixmap) {
 503                         image = loadImage(rc, tmp);
 504                         if (!image) {
 505                                 goto error;
 506                         }
 507                         iwidth = image->width;
 508                         iheight = image->height;
 509                 }
 510
 511                 GETSTRORGOTO(val, tmp, 2, error);
 512
 513                 if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 514                         wwarning("could not parse color %s in texture %s", tmp, text);
 515                         RReleaseImage(image);
 516                         goto error;
 517                 }
 518                 if (!XAllocColor(dpy, DefaultColormap(dpy, scr), &color)) {
 519                         rcolor.red = color.red >> 8;
 520                         rcolor.green = color.green >> 8;
 521                         rcolor.blue = color.blue >> 8;
 522                         RGetClosestXColor(rc, &rcolor, &color);
 523                 } else {
 524                         rcolor.red = 0;
 525                         rcolor.green = 0;
 526                         rcolor.blue = 0;
 527                 }
 528                 /* for images with a transparent color */
 529                 if (image && image->data[3])
 530                         RCombineImageWithColor(image, &rcolor);
 531
 532                 switch (toupper(type[0])) {
 533                 case 'T':
 534                         texture->width = iwidth;
 535                         texture->height = iheight;
 536                         if (!pixmap && !RConvertImage(rc, image, &pixmap)) {
 537                                 wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
 538                                 RReleaseImage(image);
 539                                 goto error;
 540                         }
 541
 542                         texture->pixmap = pixmap;
 543                         texture->color = color;
 544                         break;
 545                 case 'S':
 546                 case 'M':
 547                 case 'C':
 548                 case 'F':
 549                         {
 550                                 Pixmap tpixmap =
 551                                     XCreatePixmap(dpy, root, scrWidth, scrHeight, DefaultDepth(dpy, scr));
 552                                 XSetForeground(dpy, DefaultGC(dpy, scr), color.pixel);
 553                                 XFillRectangle(dpy, tpixmap, DefaultGC(dpy, scr), 0, 0, scrWidth, scrHeight);
 554
 555                                 texture->pixmap = tpixmap;
 556                                 texture->color = color;
 557                                 texture->width = scrWidth;
 558                                 texture->height = scrHeight;
 559
 560                                 if (!image)
 561                                         break;
 562
 563 #ifdef USE_XINERAMA
 564                                 if (xineInfo.count && ! xineStretch) {
 565                                         int i;
 566                                         for (i = 0; i < xineInfo.count; ++i) {
 567                                                 applyImage(rc, texture, image, type[0],
 568                                                            xineInfo.screens[i].pos.x, xineInfo.screens[i].pos.y,
 569                                                            xineInfo.screens[i].size.width,
 570                                                            xineInfo.screens[i].size.height);
 571                                         }
 572                                 } else {
 573                                         applyImage(rc, texture, image, type[0], 0, 0, scrWidth, scrHeight);
 574                                 }
 575 #else                           /* !USE_XINERAMA */
 576                                 applyImage(rc, texture, image, type[0], 0, 0, scrWidth, scrHeight);
 577 #endif                          /* !USE_XINERAMA */
 578                         }
 579                         break;
 580                 }
 581                 if (image)
 582                         RReleaseImage(image);
 583
 584         } else if (strcasecmp(type, "thgradient") == 0
 585                    || strcasecmp(type, "tvgradient") == 0 || strcasecmp(type, "tdgradient") == 0) {
 586                 XColor color;
 587                 RColor color1, color2;
 588                 RImage *image;
 589                 RImage *gradient;
 590                 RImage *tiled;
 591                 Pixmap pixmap;
 592                 int opaq;
 593                 char *file;
 594                 RGradientStyle gtype;
 595                 int twidth, theight;
 596
 597                 GETSTRORGOTO(val, file, 1, error);
 598
 599                 GETSTRORGOTO(val, tmp, 2, error);
 600
 601                 opaq = atoi(tmp);
 602
 603                 GETSTRORGOTO(val, tmp, 3, error);
 604
 605                 if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 606                         wwarning("could not parse color %s in texture %s", tmp, text);
 607                         goto error;
 608                 }
 609
 610                 color1.red = color.red >> 8;
 611                 color1.green = color.green >> 8;
 612                 color1.blue = color.blue >> 8;
 613
 614                 GETSTRORGOTO(val, tmp, 4, error);
 615
 616                 if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
 617                         wwarning("could not parse color %s in texture %s", tmp, text);
 618                         goto error;
 619                 }
 620
 621                 color2.red = color.red >> 8;
 622                 color2.green = color.green >> 8;
 623                 color2.blue = color.blue >> 8;
 624
 625                 image = loadImage(rc, file);
 626                 if (!image) {
 627                         goto error;
 628                 }
 629
 630                 switch (type[1]) {
 631                 case 'h':
 632                 case 'H':
 633                         gtype = RHorizontalGradient;
 634                         twidth = scrWidth;
 635                         theight = image->height > scrHeight ? scrHeight : image->height;
 636                         break;
 637                 case 'V':
 638                 case 'v':
 639                         gtype = RVerticalGradient;
 640                         twidth = image->width > scrWidth ? scrWidth : image->width;
 641                         theight = scrHeight;
 642                         break;
 643                 default:
 644                         gtype = RDiagonalGradient;
 645                         twidth = scrWidth;
 646                         theight = scrHeight;
 647                         break;
 648                 }
 649                 gradient = RRenderGradient(twidth, theight, &color1, &color2, gtype);
 650
 651                 if (!gradient) {
 652                         wwarning("could not render texture:%s", RMessageForError(RErrorCode));
 653                         RReleaseImage(image);
 654                         goto error;
 655                 }
 656
 657                 tiled = RMakeTiledImage(image, twidth, theight);
 658                 if (!tiled) {
 659                         wwarning("could not render texture:%s", RMessageForError(RErrorCode));
 660                         RReleaseImage(gradient);
 661                         RReleaseImage(image);
 662                         goto error;
 663                 }
 664                 RReleaseImage(image);
 665
 666                 RCombineImagesWithOpaqueness(tiled, gradient, opaq);
 667                 RReleaseImage(gradient);
 668
 669                 if (!RConvertImage(rc, tiled, &pixmap)) {
 670                         wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
 671                         RReleaseImage(tiled);
 672                         goto error;
 673                 }
 674                 texture->width = tiled->width;
 675                 texture->height = tiled->height;
 676
 677                 RReleaseImage(tiled);
 678
 679                 texture->pixmap = pixmap;
 680         } else if (strcasecmp(type, "function") == 0) {
 681                 /* Leave this in to handle the unlikely case of
 682                  * someone actually having function textures configured */
 683                 wwarning("function texture support has been removed");
 684                 goto error;
 685         } else {
 686                 wwarning("invalid texture type %s", text);
 687                 goto error;
 688         }
 689
 690         texture->spec = wstrdup(text);
 691
 692         return texture;
 693
 694  error:
 695         if (texture)
 696                 wfree(texture);
 697         if (texarray)
 698                 WMReleasePropList(texarray);
 699
 700         return NULL;
 701 }
 702
 703 static void freeTexture(BackgroundTexture * texture)
 704 {
 705         if (texture->solid) {
 706                 unsigned long pixel[1];
 707
 708                 pixel[0] = texture->color.pixel;
 709                 /* dont free black/white pixels */
 710                 if (pixel[0] != BlackPixelOfScreen(DefaultScreenOfDisplay(dpy))
 711                     && pixel[0] != WhitePixelOfScreen(DefaultScreenOfDisplay(dpy)))
 712                         XFreeColors(dpy, DefaultColormap(dpy, scr), pixel, 1, 0);
 713         }
 714         if (texture->pixmap) {
 715                 XFreePixmap(dpy, texture->pixmap);
 716         }
 717         wfree(texture->spec);
 718         wfree(texture);
 719 }
 720
 721 static void setupTexture(RContext * rc, BackgroundTexture ** textures, int *maxTextures, int workspace, char *texture)
 722 {
 723         BackgroundTexture *newTexture = NULL;
 724         int i;
 725
 726         /* unset the texture */
 727         if (!texture) {
 728                 if (textures[workspace] != NULL) {
 729                         textures[workspace]->refcount--;
 730
 731                         if (textures[workspace]->refcount == 0)
 732                                 freeTexture(textures[workspace]);
 733                 }
 734                 textures[workspace] = NULL;
 735                 return;
 736         }
 737
 738         if (textures[workspace]
 739             && strcasecmp(textures[workspace]->spec, texture) == 0) {
 740                 /* texture did not change */
 741                 return;
 742         }
 743
 744         /* check if the same texture is already created */
 745         for (i = 0; i < *maxTextures; i++) {
 746                 if (textures[i] && strcasecmp(textures[i]->spec, texture) == 0) {
 747                         newTexture = textures[i];
 748                         break;
 749                 }
 750         }
 751
 752         if (!newTexture) {
 753                 /* create the texture */
 754                 newTexture = parseTexture(rc, texture);
 755         }
 756         if (!newTexture)
 757                 return;
 758
 759         if (textures[workspace] != NULL) {
 760
 761                 textures[workspace]->refcount--;
 762
 763                 if (textures[workspace]->refcount == 0)
 764                         freeTexture(textures[workspace]);
 765         }
 766
 767         newTexture->refcount++;
 768         textures[workspace] = newTexture;
 769
 770         if (*maxTextures < workspace)
 771                 *maxTextures = workspace;
 772 }
 773
 774 static Pixmap duplicatePixmap(Pixmap pixmap, int width, int height)
 775 {
 776         Display *tmpDpy;
 777         Pixmap copyP;
 778
 779         /* must open a new display or the RetainPermanent will
 780          * leave stuff allocated in RContext unallocated after exit */
 781         tmpDpy = XOpenDisplay(display);
 782         if (!tmpDpy) {
 783                 wwarning("could not open display to update background image information");
 784
 785                 return None;
 786         } else {
 787                 XSync(dpy, False);
 788
 789                 copyP = XCreatePixmap(tmpDpy, root, width, height, DefaultDepth(tmpDpy, scr));
 790                 XCopyArea(tmpDpy, pixmap, copyP, DefaultGC(tmpDpy, scr), 0, 0, width, height, 0, 0);
 791                 XSync(tmpDpy, False);
 792
 793                 XSetCloseDownMode(tmpDpy, RetainPermanent);
 794                 XCloseDisplay(tmpDpy);
 795         }
 796
 797         return copyP;
 798 }
 799
 800 static int dummyErrorHandler(Display * dpy, XErrorEvent * err)
 801 {
 802         /* Parameter not used, but tell the compiler that it is ok */
 803         (void) dpy;
 804         (void) err;
 805
 806         return 0;
 807 }
 808
 809 static void setPixmapProperty(Pixmap pixmap)
 810 {
 811         static Atom prop = 0;
 812         Atom type;
 813         int format;
 814         unsigned long length, after;
 815         unsigned char *data;
 816         int mode;
 817
 818         if (!prop) {
 819                 prop = XInternAtom(dpy, "_XROOTPMAP_ID", False);
 820         }
 821
 822         XGrabServer(dpy);
 823
 824         /* Clear out the old pixmap */
 825         XGetWindowProperty(dpy, root, prop, 0L, 1L, False, AnyPropertyType,
 826                            &type, &format, &length, &after, &data);
 827
 828         if ((type == XA_PIXMAP) && (format == 32) && (length == 1)) {
 829                 XSetErrorHandler(dummyErrorHandler);
 830                 XKillClient(dpy, *((Pixmap *) data));
 831                 XSync(dpy, False);
 832                 XSetErrorHandler(NULL);
 833                 mode = PropModeReplace;
 834         } else {
 835                 mode = PropModeAppend;
 836         }
 837         if (pixmap)
 838                 XChangeProperty(dpy, root, prop, XA_PIXMAP, 32, mode, (unsigned char *)&pixmap, 1);
 839         else
 840                 XDeleteProperty(dpy, root, prop);
 841
 842         XUngrabServer(dpy);
 843         XFlush(dpy);
 844 }
 845
 846 static void changeTexture(BackgroundTexture * texture)
 847 {
 848         if (!texture) {
 849                 return;
 850         }
 851
 852         if (texture->solid) {
 853                 XSetWindowBackground(dpy, root, texture->color.pixel);
 854         } else {
 855                 XSetWindowBackgroundPixmap(dpy, root, texture->pixmap);
 856         }
 857         XClearWindow(dpy, root);
 858
 859         XSync(dpy, False);
 860
 861         {
 862                 Pixmap pixmap;
 863
 864                 pixmap = duplicatePixmap(texture->pixmap, texture->width, texture->height);
 865
 866                 setPixmapProperty(pixmap);
 867         }
 868 }
 869
 870 static int readmsg(int fd, char *buffer, int size)
 871 {
 872         int count;
 873
 874         while (size > 0) {
 875                 count = read(fd, buffer, size);
 876                 if (count < 0)
 877                         return -1;
 878                 size -= count;
 879                 buffer += count;
 880                 *buffer = 0;
 881         }
 882
 883         return size;
 884 }
 885
 886 /*
 887  * Message Format:
 888  * sizeSntexture_spec - sets the texture for workspace n
 889  * sizeCn - change background texture to the one for workspace n
 890  * sizePpath - set the pixmap search path
 891  *
 892  * n is 4 bytes
 893  * size = 4 bytes for length of the message data
 894  */
 895 static noreturn void helperLoop(RContext * rc)
 896 {
 897         BackgroundTexture *textures[WORKSPACE_COUNT];
 898         int maxTextures = 0;
 899         char buffer[2048], buf[8];
 900         int size;
 901         int errcount = 4;
 902
 903         memset(textures, 0, WORKSPACE_COUNT * sizeof(BackgroundTexture *));
 904
 905         while (1) {
 906                 int workspace = -1;
 907
 908                 /* get length of message */
 909                 if (readmsg(0, buffer, 4) < 0) {
 910                         werror("error reading message from Window Maker");
 911                         errcount--;
 912                         if (errcount == 0) {
 913                                 wfatal("quitting");
 914                                 quit(1);
 915                         }
 916                         continue;
 917                 }
 918                 memcpy(buf, buffer, 4);
 919                 buf[4] = 0;
 920                 size = atoi(buf);
 921                 if (size < 0 || size > sizeof(buffer)) {
 922                         wfatal("received invalid size %d for message from WindowMaker", size);
 923                         quit(1);
 924                 }
 925                 if (size == 0) {
 926                         werror("received 0-sized message from WindowMaker, trying to continue");
 927                         continue;
 928                 }
 929
 930                 /* get message */
 931                 if (readmsg(0, buffer, size) < 0) {
 932                         werror("error reading message from Window Maker");
 933                         errcount--;
 934                         if (errcount == 0) {
 935                                 wfatal("quitting");
 936                                 quit(1);
 937                         }
 938                         continue;
 939                 }
 940 #ifdef DEBUG
 941                 printf("RECEIVED %s\n", buffer);
 942 #endif
 943                 if (buffer[0] != 'P' && buffer[0] != 'K') {
 944                         memcpy(buf, &buffer[1], 4);
 945                         buf[4] = 0;
 946                         workspace = atoi(buf);
 947                         if (workspace < 0 || workspace >= WORKSPACE_COUNT) {
 948                                 wwarning("received message with invalid workspace number %i", workspace);
 949                                 continue;
 950                         }
 951                 }
 952
 953                 switch (buffer[0]) {
 954                 case 'S':
 955 #ifdef DEBUG
 956                         printf("set texture %s\n", &buffer[5]);
 957 #endif
 958                         setupTexture(rc, textures, &maxTextures, workspace, &buffer[5]);
 959                         break;
 960
 961                 case 'C':
 962 #ifdef DEBUG
 963                         printf("change texture %i\n", workspace);
 964 #endif
 965                         if (!textures[workspace]) {
 966                                 changeTexture(textures[0]);
 967                         } else {
 968                                 changeTexture(textures[workspace]);
 969                         }
 970                         break;
 971
 972                 case 'P':
 973 #ifdef DEBUG
 974                         printf("change pixmappath %s\n", &buffer[1]);
 975 #endif
 976                         if (PixmapPath)
 977                                 wfree(PixmapPath);
 978                         PixmapPath = wstrdup(&buffer[1]);
 979                         break;
 980
 981                 case 'U':
 982 #ifdef DEBUG
 983                         printf("unset workspace %i\n", workspace);
 984 #endif
 985                         setupTexture(rc, textures, &maxTextures, workspace, NULL);
 986                         break;
 987
 988                 case 'K':
 989 #ifdef DEBUG
 990                         printf("exit command\n");
 991 #endif
 992                         quit(0);
 993
 994                 default:
 995                         wwarning("unknown message received");
 996                         break;
 997                 }
 998         }
 999 }
1000
1001 static void updateDomain(const char *domain, const char *key, const char *texture)
1002 {
1003         int result;
1004         char *program = "wdwrite";
1005         char cmd_smooth[1024];
1006
1007         snprintf(cmd_smooth, sizeof(cmd_smooth),
1008                  "wdwrite %s SmoothWorkspaceBack %s",
1009                  domain, smooth ? "YES" : "NO");
1010         result = system(cmd_smooth);
1011         if (result == -1)
1012                 werror("error executing system(\"%s\")", cmd_smooth);
1013
1014         execlp(program, program, domain, key, texture, NULL);
1015         wwarning("warning could not run \"%s\"", program);
1016 }
1017
1018 static WMPropList *getValueForKey(const char *domain, const char *keyName)
1019 {
1020         char *path;
1021         WMPropList *key, *val, *d;
1022
1023         key = WMCreatePLString(keyName);
1024
1025         /* try to find PixmapPath in user defaults */
1026         path = wdefaultspathfordomain(domain);
1027         d = WMReadPropListFromFile(path);
1028         if (!d) {
1029                 wwarning("could not open domain file %s", path);
1030         }
1031         wfree(path);
1032
1033         if (d && !WMIsPLDictionary(d)) {
1034                 WMReleasePropList(d);
1035                 d = NULL;
1036         }
1037         if (d) {
1038                 val = WMGetFromPLDictionary(d, key);
1039         } else {
1040                 val = NULL;
1041         }
1042         /* try to find PixmapPath in global defaults */
1043         if (!val) {
1044                 path = wglobaldefaultspathfordomain(domain);
1045                 if (!path) {
1046                         wwarning("could not locate file for domain %s", domain);
1047                         d = NULL;
1048                 } else {
1049                         d = WMReadPropListFromFile(path);
1050                         wfree(path);
1051                 }
1052
1053                 if (d && !WMIsPLDictionary(d)) {
1054                         WMReleasePropList(d);
1055                         d = NULL;
1056                 }
1057                 if (d) {
1058                         val = WMGetFromPLDictionary(d, key);
1059
1060                 } else {
1061                         val = NULL;
1062                 }
1063         }
1064
1065         if (val)
1066                 WMRetainPropList(val);
1067
1068         WMReleasePropList(key);
1069         if (d)
1070                 WMReleasePropList(d);
1071
1072         return val;
1073 }
1074
1075 static char *getPixmapPath(const char *domain)
1076 {
1077         WMPropList *val;
1078         char *ptr, *data;
1079         int len, i, count;
1080
1081         val = getValueForKey(domain, "PixmapPath");
1082
1083         if (!val || !WMIsPLArray(val)) {
1084                 if (val)
1085                         WMReleasePropList(val);
1086                 return wstrdup("");
1087         }
1088
1089         count = WMGetPropListItemCount(val);
1090         len = 0;
1091         for (i = 0; i < count; i++) {
1092                 WMPropList *v;
1093
1094                 v = WMGetFromPLArray(val, i);
1095                 if (!v || !WMIsPLString(v)) {
1096                         continue;
1097                 }
1098                 len += strlen(WMGetFromPLString(v)) + 1;
1099         }
1100
1101         ptr = data = wmalloc(len + 1);
1102         *ptr = 0;
1103
1104         for (i = 0; i < count; i++) {
1105                 WMPropList *v;
1106
1107                 v = WMGetFromPLArray(val, i);
1108                 if (!v || !WMIsPLString(v)) {
1109                         continue;
1110                 }
1111                 strcpy(ptr, WMGetFromPLString(v));
1112
1113                 ptr += strlen(WMGetFromPLString(v));
1114                 *ptr = ':';
1115                 ptr++;
1116         }
1117         if (i > 0)
1118                 ptr--;
1119         *(ptr--) = 0;
1120
1121         WMReleasePropList(val);
1122
1123         return data;
1124 }
1125
1126 static char *getFullPixmapPath(const char *file)
1127 {
1128         char *tmp;
1129
1130         if (!PixmapPath || !(tmp = wfindfile(PixmapPath, file))) {
1131                 int bsize = 512;
1132                 char *path = wmalloc(bsize);
1133
1134                 while (!getcwd(path, bsize)) {
1135                         bsize += bsize / 2;
1136                         path = wrealloc(path, bsize);
1137                 }
1138
1139                 tmp = wstrconcat(path, "/");
1140                 wfree(path);
1141                 path = wstrconcat(tmp, file);
1142                 wfree(tmp);
1143
1144                 return path;
1145         }
1146
1147         /* the file is in the PixmapPath */
1148         wfree(tmp);
1149
1150         return wstrdup(file);
1151 }
1152
1153 static void print_help(void)
1154 {
1155         printf("Usage: %s [options] [image]\n", __progname);
1156         puts("Sets the workspace background to the specified image or a texture and");
1157         puts("optionally update Window Maker configuration");
1158         puts("");
1159         puts(" -display                      display to use");
1160         puts(" -d, --dither                  dither image");
1161         puts(" -m, --match                   match  colors");
1162         puts(" -S, --smooth                  smooth scaled image");
1163 #ifdef USE_XINERAMA
1164         puts(" -X, --xinerama                stretch image across Xinerama heads");
1165 #endif
1166         puts(" -b, --back-color <color>      background color");
1167         puts(" -t, --tile                    tile   image");
1168         puts(" -e, --center                  center image");
1169         puts(" -s, --scale                   scale  image (default)");
1170         puts(" -a, --maxscale                scale  image and keep aspect ratio");
1171         puts(" -f, --fillscale               scale  image to fill screen and keep aspect ratio");
1172         puts(" -u, --update-wmaker           update WindowMaker domain database");
1173         puts(" -D, --update-domain <domain>  update <domain> database");
1174         puts(" -c, --colors <cpc>            colors per channel to use");
1175         puts(" -p, --parse <texture>         proplist style texture specification");
1176         puts(" -w, --workspace <workspace>   update background for the specified workspace");
1177         puts(" -v, --version                 show version of wmsetbg and exit");
1178         puts(" -h, --help                    show this help and exit");
1179 }
1180
1181 static void changeTextureForWorkspace(const char *domain, char *texture, int workspace)
1182 {
1183         WMPropList *array, *val;
1184         char *value;
1185         int j;
1186
1187         val = WMCreatePropListFromDescription(texture);
1188         if (!val) {
1189                 wwarning("could not parse texture %s", texture);
1190                 return;
1191         }
1192
1193         array = getValueForKey("WindowMaker", "WorkspaceSpecificBack");
1194
1195         if (!array) {
1196                 array = WMCreatePLArray(NULL, NULL);
1197         }
1198
1199         j = WMGetPropListItemCount(array);
1200         if (workspace >= j) {
1201                 WMPropList *empty;
1202
1203                 empty = WMCreatePLArray(NULL, NULL);
1204
1205                 while (j++ < workspace - 1) {
1206                         WMAddToPLArray(array, empty);
1207                 }
1208                 WMAddToPLArray(array, val);
1209
1210                 WMReleasePropList(empty);
1211         } else {
1212                 WMDeleteFromPLArray(array, workspace);
1213                 WMInsertInPLArray(array, workspace, val);
1214         }
1215
1216         value = WMGetPropListDescription(array, False);
1217         updateDomain(domain, "WorkspaceSpecificBack", value);
1218
1219         WMReleasePropList(array);
1220 }
1221
1222 int main(int argc, char **argv)
1223 {
1224         int i;
1225         int helperMode = 0;
1226         RContext *rc;
1227         RContextAttributes rattr;
1228         char *style = "spixmap";
1229         char *back_color = "gray20";
1230         char *image_name = NULL;
1231         char *domain = "WindowMaker";
1232         int update = 0, cpc = 4, obey_user = 0;
1233         RRenderingMode render_mode = RDitheredRendering;
1234         char *texture = NULL;
1235         int workspace = -1;
1236
1237         signal(SIGINT, SIG_DFL);
1238         signal(SIGTERM, SIG_DFL);
1239         signal(SIGQUIT, SIG_DFL);
1240         signal(SIGSEGV, SIG_DFL);
1241         signal(SIGBUS, SIG_DFL);
1242         signal(SIGFPE, SIG_DFL);
1243         signal(SIGABRT, SIG_DFL);
1244         signal(SIGHUP, SIG_DFL);
1245         signal(SIGPIPE, SIG_DFL);
1246         signal(SIGCHLD, SIG_DFL);
1247
1248         WMInitializeApplication("wmsetbg", &argc, argv);
1249
1250         for (i = 1; i < argc; i++) {
1251                 if (strcmp(argv[i], "-helper") == 0) {
1252                         helperMode = 1;
1253                 } else if (strcmp(argv[i], "-display") == 0) {
1254                         i++;
1255                         if (i >= argc) {
1256                                 wfatal("too few arguments for %s", argv[i - 1]);
1257                                 quit(1);
1258                         }
1259                         display = argv[i];
1260                 } else if (strcmp(argv[i], "-s") == 0 || strcmp(argv[i], "--scale") == 0) {
1261                         style = "spixmap";
1262                 } else if (strcmp(argv[i], "-t") == 0 || strcmp(argv[i], "--tile") == 0) {
1263                         style = "tpixmap";
1264                 } else if (strcmp(argv[i], "-e") == 0 || strcmp(argv[i], "--center") == 0) {
1265                         style = "cpixmap";
1266                 } else if (strcmp(argv[i], "-a") == 0 || strcmp(argv[i], "--maxscale") == 0) {
1267                         style = "mpixmap";
1268                 } else if (strcmp(argv[i], "-f") == 0 || strcmp(argv[i], "--fillscale") == 0) {
1269                         style = "fpixmap";
1270                 } else if (strcmp(argv[i], "-d") == 0 || strcmp(argv[i], "--dither") == 0) {
1271                         render_mode = RDitheredRendering;
1272                         obey_user++;
1273                 } else if (strcmp(argv[i], "-m") == 0 || strcmp(argv[i], "--match") == 0) {
1274                         render_mode = RBestMatchRendering;
1275                         obey_user++;
1276                 } else if (strcmp(argv[i], "-S") == 0 || strcmp(argv[i], "--smooth") == 0) {
1277                         smooth = True;
1278 #ifdef USE_XINERAMA
1279                 } else if (strcmp(argv[i], "-X") == 0 || strcmp(argv[i], "--xinerama") == 0) {
1280                         xineStretch = True;
1281 #endif
1282                 } else if (strcmp(argv[i], "-u") == 0 || strcmp(argv[i], "--update-wmaker") == 0) {
1283                         update++;
1284                 } else if (strcmp(argv[i], "-D") == 0 || strcmp(argv[i], "--update-domain") == 0) {
1285                         update++;
1286                         i++;
1287                         if (i >= argc) {
1288                                 wfatal("too few arguments for %s", argv[i - 1]);
1289                                 quit(1);
1290                         }
1291                         domain = wstrdup(argv[i]);
1292                 } else if (strcmp(argv[i], "-c") == 0 || strcmp(argv[i], "--colors") == 0) {
1293                         i++;
1294                         if (i >= argc) {
1295                                 wfatal("too few arguments for %s", argv[i - 1]);
1296                                 quit(1);
1297                         }
1298                         if (sscanf(argv[i], "%i", &cpc) != 1) {
1299                                 wfatal("bad value for colors per channel: \"%s\"", argv[i]);
1300                                 quit(1);
1301                         }
1302                 } else if (strcmp(argv[i], "-b") == 0 || strcmp(argv[i], "--back-color") == 0) {
1303                         i++;
1304                         if (i >= argc) {
1305                                 wfatal("too few arguments for %s", argv[i - 1]);
1306                                 quit(1);
1307                         }
1308                         back_color = argv[i];
1309                 } else if (strcmp(argv[i], "-p") == 0 || strcmp(argv[i], "--parse") == 0) {
1310                         i++;
1311                         if (i >= argc) {
1312                                 wfatal("too few arguments for %s", argv[i - 1]);
1313                                 quit(1);
1314                         }
1315                         texture = argv[i];
1316                 } else if (strcmp(argv[i], "-w") == 0 || strcmp(argv[i], "--workspace") == 0) {
1317                         i++;
1318                         if (i >= argc) {
1319                                 wfatal("too few arguments for %s", argv[i - 1]);
1320                                 quit(1);
1321                         }
1322                         if (sscanf(argv[i], "%i", &workspace) != 1) {
1323                                 wfatal("bad value for workspace number: \"%s\"", argv[i]);
1324                                 quit(1);
1325                         }
1326                 } else if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--version") == 0) {
1327                         printf("%s (Window Maker %s)\n", __progname, VERSION);
1328                         quit(0);
1329                 } else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {
1330                         print_help();
1331                         quit(0);
1332                 } else if (argv[i][0] != '-') {
1333                         image_name = argv[i];
1334                 } else {
1335                         printf("%s: invalid argument '%s'\n", __progname, argv[i]);
1336                         printf("Try '%s --help' for more information\n", __progname);
1337                         quit(1);
1338                 }
1339         }
1340         if (!image_name && !texture && !helperMode) {
1341                 printf("%s: you must specify a image file name or a texture\n", __progname);
1342                 printf("Try '%s --help' for more information\n", __progname);
1343                 quit(1);
1344         }
1345
1346         PixmapPath = getPixmapPath(domain);
1347         if (!smooth) {
1348                 WMPropList *val;
1349                 /* carlos, don't remove this */
1350 #if 0                           /* some problem with Alpha... TODO: check if its right */
1351                 val = WMGetFromPLDictionary(domain, WMCreatePLString("SmoothWorkspaceBack"));
1352 #else
1353                 val = getValueForKey(domain, "SmoothWorkspaceBack");
1354 #endif
1355
1356                 if (val && WMIsPLString(val) && strcasecmp(WMGetFromPLString(val), "YES") == 0)
1357                         smooth = True;
1358         }
1359
1360         dpy = XOpenDisplay(display);
1361         if (!dpy) {
1362                 wfatal("could not open display");
1363                 quit(1);
1364         }
1365 #if 0
1366         XSynchronize(dpy, 1);
1367 #endif
1368
1369         root = DefaultRootWindow(dpy);
1370
1371         scr = DefaultScreen(dpy);
1372
1373         scrWidth = WidthOfScreen(DefaultScreenOfDisplay(dpy));
1374         scrHeight = HeightOfScreen(DefaultScreenOfDisplay(dpy));
1375         scrX = scrY = 0;
1376
1377         initXinerama();
1378
1379         if (!obey_user && DefaultDepth(dpy, scr) <= 8)
1380                 render_mode = RDitheredRendering;
1381
1382         rattr.flags = RC_RenderMode | RC_ColorsPerChannel | RC_StandardColormap | RC_DefaultVisual;
1383         rattr.render_mode = render_mode;
1384         rattr.colors_per_channel = cpc;
1385         rattr.standard_colormap_mode = RCreateStdColormap;
1386
1387         rc = RCreateContext(dpy, scr, &rattr);
1388
1389         if (!rc) {
1390                 rattr.standard_colormap_mode = RIgnoreStdColormap;
1391                 rc = RCreateContext(dpy, scr, &rattr);
1392         }
1393
1394         if (!rc) {
1395                 wfatal("could not initialize wrlib: %s", RMessageForError(RErrorCode));
1396                 quit(1);
1397         }
1398
1399         if (helperMode) {
1400                 int result;
1401
1402                 /* lower priority, so that it wont use all the CPU */
1403                 result = nice(15);
1404                 if (result == -1)
1405                         wwarning("error could not nice process");
1406
1407                 helperLoop(rc);
1408         } else {
1409                 BackgroundTexture *tex;
1410                 char buffer[4098];
1411
1412                 if (!texture) {
1413                         char *image_path = getFullPixmapPath(image_name);
1414                         snprintf(buffer, sizeof(buffer), "(%s, \"%s\", %s)", style, image_path, back_color);
1415                         wfree(image_path);
1416                         texture = (char *)buffer;
1417                 }
1418
1419                 if (update && workspace < 0) {
1420                         updateDomain(domain, "WorkspaceBack", texture);
1421                 }
1422
1423                 tex = parseTexture(rc, texture);
1424                 if (!tex)
1425                         quit(1);
1426
1427                 if (workspace < 0)
1428                         changeTexture(tex);
1429                 else {
1430                         /* always update domain */
1431                         changeTextureForWorkspace(domain, texture, workspace);
1432                 }
1433         }
1434
1435         WMReleaseApplication();
1436         return 0;
1437 }