Dogcows Code - chaz/openbox/blob - util/bsetbg

   1 #!/bin/sh
   2
   3 # Copyright (c) 2000 LordZork Industries (lordzork@lordzork.com)
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining a
   6 # copy of this software and associated documentation files (the "Software"),
   7 # to deal in the Software without restriction, including without limitation
   8 # the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 # and/or sell copies of the Software, and to permit persons to whom the
  10 # Software is furnished to do so, subject to the following conditions:
  11 #
  12 # The above copyright notice and this permission notice shall be included in
  13 # all copies or substantial portions of the Software.
  14 #
  15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21 # DEALINGS IN THE SOFTWARE.
  22
  23
  24 error_msg()
  25 {
  26  case $INFO in yes|y|1) info_msg; esac
  27
  28  case $1 in
  29    1)
  30      echo; echo "$NAME: configuration error: $OPTION=\"$VALUE\""
  31      echo "$NAME: please edit $CONFIG and provide the correct variable."
  32      ;;
  33    2)
  34      echo; echo "$NAME: error: couldn't execute '$APP'! tried to run fallback option $ARGUMENT"
  35      echo "$NAME: but quit because of the following error in $CONFIG:"
  36      echo "$NAME: $OPTION= $VALUE"
  37      echo "$NAME: please edit $CONFIG and provide the correct variable!"
  38      ;;
  39    3)
  40      echo; echo "$NAME: error: couldn't find any suitable image applications in the system path!"
  41      echo
  42      error_msg url
  43      ;;
  44    4)
  45      echo; echo "$NAME: error: invalid option, or non-existent image ($ARGUMENT)."
  46      ;;
  47    5)
  48      echo; echo "$NAME: error: the image you specified ($IMAGE) could not be found."
  49      ;;
  50    6)
  51      echo; echo "$NAME: error: please specify a valid image."
  52      ;;
  53    7)
  54      echo; echo "$NAME: error: bsetroot couldn't be found! check your openbox installation."
  55      ;;
  56    8)
  57      echo; echo "$NAME: error: wrong number of arguments!"
  58      echo "$NAME: make sure you enclosed the options for '$APP' in double quotes."
  59      ;;
  60    nobgapp)
  61      echo; echo "$NAME: error: tried to run '$VALUE' for $ARGUMENT argument,"
  62      echo "$NAME: but couldnt find '$APP' in the path! please fix the following"
  63      echo "$NAME: line in $CONFIG to point to an existing application:"
  64      echo "$NAME: $OPTION=\"$VALUE\""
  65      ;;
  66    nogrep)
  67      echo "$NAME: error: couldn't find grep!"
  68      echo "this script needs grep to be in your path in order to function."
  69      echo "you can get GNU grep from ftp://ftp.gnu.org/bin/gnu/grep/" && exit 1
  70      ;;
  71    url)
  72      echo "it is suggested that you use qiv, xli (xsetbg), or xv."
  73      echo "you can obtain them at the following locations:"
  74      echo
  75      echo "   qiv: http://www.klografx.de/software/qiv.shtml"
  76      echo "   xli: http://pantransit.reptiles.org/prog/#xli"
  77      echo "   xv: http://www.trilon.com/xv/downloads.html"
  78      echo
  79      echo "the above URLs are current as of 05/23/2000."
  80  esac
  81  exit 1
  82 }
  83
  84
  85 help_msg()
  86 {
  87     echo "$NAME $VERSION: $MORE"
  88     echo "options:"
  89     echo
  90     echo "  (none)                             image is set using default values"
  91     echo
  92     echo "  -full, -f                          image is set fullscreen"
  93     echo "  -tile, -t                          image is set tiled"
  94     echo "  -center, -c                        image is set centered"
  95     echo
  96     echo "  -app, -a <application>             image is set using <application> with"
  97     echo "     <"'"application options"'">            quote-enclosed \"options\" and"
  98     echo "     -center, -c|-tile, -t|-full, -f    default fallback option"
  99     echo
 100     echo "  -display <string>                  display to connect to (bsetroot only)"
 101     echo "  -mod <x> <y>                       sets bsetroot modula pattern"
 102     echo "     -foreground, -fg <color>           modula foreground color"
 103     echo "     -background, -bg <color>           modula background color"
 104     echo
 105     echo "  -gradient <texture>                sets bsetroot gradient texture"
 106     echo "     -from <color>                      gradient start color"
 107     echo "     -to <color>                        gradient end color"
 108     echo
 109     echo "  -solid <color>                     sets bsetroot solid color"
 110     echo
 111     echo "  -version, -v                       outputs $NAME's version number"
 112     echo "  -info, -i                          outputs configuration info"
 113     echo "  -help, -h                          this message"
 114     echo
 115     echo "usage: <options...> <image>"
 116     exit 0
 117 }
 118
 119
 120 info_msg()
 121 {
 122     case $ERROR in
 123         [1-3])
 124             SUMMARY="error: some variables are blank"
 125             ;;
 126         4)
 127             SUMMARY="no values have been specified"
 128             ;;
 129         0)
 130             SUMMARY="looks good"
 131     esac
 132
 133     case $APP_ERROR in [1-4])
 134         SUMMARY="error: some applications couldn't be found!"
 135     esac
 136
 137     case `which bsetroot 2>&1` in
 138         */*bsetroot)
 139             BSETROOT=`which bsetroot`
 140             ;;
 141         *)
 142             BSETROOT="(error: not found)"
 143             case $ERROR in
 144                 1-4)
 145                     SUMMARY="$SUMMARY, and bsetroot does not seem to be present."
 146                     ;;
 147                 *)
 148                     SUMMARY="$SUMMARY, but bsetroot does not seem to be present."
 149             esac
 150     esac
 151
 152     echo "$NAME $VERSION configuration:"
 153     echo
 154     echo "  bsetroot:                          $BSETROOT"
 155     echo
 156     echo "  reading configuration from:        $CONFIG"
 157     echo
 158     echo "  configuration values:"
 159     echo
 160     case $FULL_BGAPP_MSG in
 161         *"not found")
 162             echo "      fullscreen (ERROR):            $FULL_BGAPP_MSG"
 163             ;;
 164         *)
 165             echo "      fullscreen (FULL):             $FULL_MSG"
 166     esac
 167
 168     echo
 169
 170     case $TILE_BGAPP_MSG in
 171         *"not found")
 172             echo "      tiled (ERROR):                 $TILE_BGAPP_MSG"
 173             ;;
 174         *)
 175             echo "      tiled (TILE):                  $TILE_MSG"
 176     esac
 177
 178     echo
 179
 180     case $CENTER_BGAPP_MSG in
 181         *"not found")
 182             echo "      centered (ERROR):              $CENTER_BGAPP_MSG"
 183             ;;
 184         *)
 185             echo "      centered (CENTER):             $CENTER_MSG"
 186     esac
 187
 188     echo
 189
 190     case $DEFAULT_BGAPP_MSG in
 191         *"not found")
 192             echo "      default (ERROR):               $DEFAULT_BGAPP_MSG"
 193             ;;
 194         *)
 195             echo "      default (DEFAULT):             $DEFAULT_MSG"
 196     esac
 197     echo
 198     echo "  summary: $SUMMARY"
 199     exit 0
 200 }
 201
 202
 203 find_app()
 204 {
 205     case `which $1 2>&1` in
 206         */*$1)
 207             echo "$NAME: checking for $1... `which $1`"
 208             echo "### $app" >> $TMPFILE
 209             echo "# FULL=\"$full\"" >> $TMPFILE
 210             echo "# TILE=\"$tile\"" >> $TMPFILE
 211             echo "# CENTER=\"$center\"" >> $TMPFILE
 212             echo "# DEFAULT=\"$default\"" >> $TMPFILE
 213             echo >> $TMPFILE
 214
 215             FULL=$full
 216             TILE=$tile
 217             CENTER=$center
 218             DEFAULT=$default
 219             APP=$app
 220             ;;
 221         *)
 222         echo "$NAME: checking for $1... not found."
 223     esac
 224 }
 225
 226 search_display()
 227 {
 228     ### display
 229     full="display -geometry 800x600 -window root"
 230     tile="display -window root"
 231     center="display -backdrop -window root"
 232     default=$center
 233     find_app display
 234 }
 235
 236 search_Esetroot()
 237 {
 238     ### Esetroot
 239     full="Esetroot -scale"
 240     tile="Esetroot"
 241     center="Esetroot -c"
 242     default=$center
 243     find_app Esetroot
 244 }
 245
 246 search_wmsetbg()
 247 {
 248     ### wmsetbg
 249     full="wmsetbg -s -S"
 250     tile="wmsetbg -t"
 251     center="wmsetbg -e"
 252     default=$center
 253     find_app wmsetbg
 254 }
 255
 256 search_xli()
 257 {
 258     ### xli
 259     case `which xsetbg 2>&1` in
 260         */*xsetbg)
 261             full="xsetbg -fillscreen"
 262             tile="xsetbg"
 263             center="xsetbg -center"
 264             default=$center
 265             app="xsetbg (xli)"
 266             find_app xsetbg
 267             ;;
 268         *)
 269             case `which xli 2>&1` in */*xli)
 270                 full="xli -fillscreen -onroot -quiet"
 271                 tile="xli -onroot -quiet"
 272                 center="xli -center -onroot quiet"
 273                 default=$center
 274                 app=xli
 275                 find_app xli
 276             esac
 277     esac
 278 }
 279
 280 search_qiv()
 281 {
 282     ### qiv
 283     full="qiv --root_s"
 284     tile="qiv --root_t"
 285     center="qiv --root"
 286     default=$center
 287     find_app qiv
 288 }
 289
 290 search_xv()
 291 {
 292     ### xv
 293     full="xv -max -smooth -root -quit"
 294     tile="xv -root -quit"
 295     center="xv -rmode 5 -root -quit"
 296     default=$center
 297     find_app xv
 298 }
 299
 300
 301 rm_tmpfiles()
 302 {
 303     [ -f $TMPFILE ] && rm -f $TMPFILE
 304 }
 305
 306
 307 create_config()
 308 {
 309     trap rm_tmpfiles INT QUIT STOP TERM
 310     case $UID in 0)
 311         if [ "$ARGUMENT" != "-r" ]; then
 312             echo "$NAME: running X as root is a security hazard, and is NOT a good idea!"
 313             echo "$NAME: if you insist upon having a ~/.bsetbgrc for root, run bsetbg with"
 314             echo "$NAME: the '-r' flag to force its creation. you have been warned!"
 315             exit 1
 316         fi
 317     esac
 318
 319     case $ARGUMENT in
 320         -r)
 321             echo "$NAME: creating configuration for root (BAD IDEA)..."
 322             ;;
 323         *)
 324             echo "$NAME: $CONFIG not found, creating..."
 325     esac
 326
 327     for app in $IMAGE_APPS; do
 328         search_$app
 329     done
 330
 331     if [ -z "$FULL" ] || [ -z "TILE" ] || [ -z "$CENTER" ]; then
 332         rm -f $TMPFILE
 333         INFO= && error_msg 3
 334     fi
 335
 336     echo "# $CONFIG" >> $CONFIG
 337     echo "#" >> $CONFIG
 338     echo "# automagically generated with loving care by $NAME $VERSION on `date`" >> $CONFIG
 339     echo "#" >> $CONFIG
 340     echo "# uncomment the set below that corresponds to your favorite root-image" >> $CONFIG
 341     echo "# application, or mix and match to suit your pleasure." >> $CONFIG
 342     echo "#" >> $CONFIG
 343     echo "# xli misbehaves under larger screen resolutions when using the -fillscreen" >> $CONFIG
 344     echo "# option. use -fullscreen if your resolution is higher than 1024x768." >> $CONFIG
 345     echo "#" >> $CONFIG
 346     echo; echo >> $CONFIG
 347     echo "### $APP" >> $CONFIG
 348     echo "FULL=\"$FULL\"" >> $CONFIG
 349     echo "TILE=\"$TILE\"" >> $CONFIG
 350     echo "CENTER=\"$CENTER\"" >> $CONFIG
 351     echo "DEFAULT=\"$DEFAULT\"" >> $CONFIG
 352     echo >> $CONFIG
 353
 354     cat $TMPFILE | grep -v $APP >> $CONFIG
 355
 356     rm -f $TMPFILE
 357
 358     if [ -f $CONFIG ]; then
 359         echo "$NAME: default configuration was created in $CONFIG."
 360     else
 361         echo "ERROR: $CONFIG not found!" && exit 1
 362     fi
 363 }
 364
 365 check_config_apps()
 366 {
 367     BGAPP=$1
 368     case `which $1 2>&1` in
 369         */*$1)
 370             BGAPP_MSG="`which $1`"
 371             ;;
 372         *)
 373             BGAPP_MSG="$BGAPP: not found"
 374             APP_ERROR=`expr $APP_ERROR + 1`
 375     esac
 376 }
 377
 378
 379 check_config_vars()
 380 {
 381     ERROR=0
 382     APP_ERROR=0
 383
 384     if [ -z "$FULL" ]; then
 385         FULL_MSG="(no value)" && ERROR=`expr $ERROR + 1`
 386     else
 387         check_config_apps $FULL
 388         FULL_BGAPP_MSG=$BGAPP_MSG
 389         FULL_BGAPP=$BGAPP
 390         FULL_MSG="$FULL"
 391     fi
 392
 393     if [ -z "$TILE" ]; then
 394         TILE_MSG="(no value)" && ERROR=`expr $ERROR + 1`
 395     else
 396         check_config_apps $TILE
 397         TILE_BGAPP_MSG=$BGAPP_MSG
 398         TILE_BGAPP=$BGAPP
 399         TILE_MSG="$TILE"
 400     fi
 401
 402     if [ -z "$CENTER" ]; then
 403         CENTER_MSG="(no value)" && ERROR=`expr $ERROR + 1`
 404     else
 405         check_config_apps $CENTER
 406         CENTER_BGAPP_MSG=$BGAPP_MSG
 407         CENTER_BGAPP=$BGAPP
 408         CENTER_MSG="$CENTER"
 409     fi
 410
 411     if [ -z "$DEFAULT" ]; then
 412         DEFAULT_MSG="(no value)" && ERROR=`expr $ERROR + 1`
 413     else
 414         check_config_apps $DEFAULT
 415         DEFAULT_BGAPP_MSG=$BGAPP_MSG
 416         DEFAULT_BGAPP=$BGAPP
 417         DEFAULT_MSG="$DEFAULT"
 418     fi
 419 }
 420
 421
 422 final_error_check()
 423 {
 424     case $ARGUMENT in
 425         *full|-f|c)
 426             OPTION=FULL
 427             VALUE=$FULL_MSG
 428             FB_ARG=$FULL
 429             case $FULL_BGAPP_MSG in *"not found")
 430                 APP=$FULL_BGAPP
 431                 error_msg nobgapp
 432             esac
 433             ;;
 434         *tile|-t|t)
 435             OPTION=TILE
 436             VALUE=$TILE_MSG
 437             FB_ARG=$TILE
 438             case $TILE_BGAPP_MSG in *"not found")
 439                 APP=$TILE_BGAPP
 440                 error_msg nobgapp
 441             esac
 442             ;;
 443         *center|-c|c)
 444             OPTION=CENTER
 445             VALUE=$CENTER_MSG
 446             FB_ARG=$CENTER
 447             case $CENTER_BGAPP_MSG in *"not found")
 448                 APP=$CENTER_BGAPP
 449                 error_msg nobgapp
 450             esac
 451             ;;
 452         *)
 453             OPTION=DEFAULT
 454             VALUE=$DEFAULT_MSG
 455             FB_ARG=$DEFAULT
 456             ARGUMENT=default
 457             case $DEFAULT_BGAPP_MSG in *"not found")
 458                 APP=$DEFAULT_BGAPP
 459                 error_msg nobgapp
 460             esac
 461
 462             if [ "$IMAGE_EXISTS" != yes ]; then
 463             error_msg 4; fi
 464     esac
 465
 466     case $VALUE in "(no value)")
 467         if [ -n "$APP" ]; then
 468             error_msg 2
 469         else
 470             error_msg 1
 471         fi
 472     esac
 473 }
 474
 475
 476 check_config()
 477 {
 478     if [ ! -f $CONFIG ]; then
 479         create_config
 480     fi
 481
 482     check_old_config
 483     . $CONFIG
 484     check_config_vars
 485     final_error_check
 486 }
 487
 488
 489 check_image()
 490 {
 491     case "$IMAGE" in
 492         *~/*)
 493             IMAGE="$HOME/`basename $IMAGE`"
 494     esac
 495
 496     case $NOARG in
 497         yes|y|1)
 498             NUM=4
 499             ;;
 500         *)
 501             if [ -n "$IMAGE" ]; then
 502                 NUM=5
 503             else
 504                 NUM=6
 505             fi
 506             case $IMAGE in $ARGUMENT|"."|"./")
 507                 error_msg 6
 508             esac
 509     esac
 510
 511     if [ ! -e "$IMAGE" ]; then
 512         error_msg $NUM
 513     else
 514         IMAGE_EXISTS=yes
 515     fi
 516 }
 517
 518
 519 exec_app()
 520 {
 521     case `which $APP 2>&1` in
 522         */*$APP)
 523             check_image
 524             final_error_check
 525             exec $APP $ARGS "$IMAGE"
 526             ;;
 527         *)
 528             check_image
 529             check_config
 530             exec $FB_ARG "$IMAGE"
 531     esac
 532 }
 533
 534
 535 check_bsetroot_args()
 536 {
 537     case $1 in
 538         -mod)
 539             ARGS="$1 $2 $3 $4 $5 $6 $7"
 540             ;;
 541         -gradient)
 542             ARGS="$1 $2 $3 $4 $5 $6"
 543             ;;
 544         -solid)
 545             ARGS="$1 $2"
 546     esac
 547 }
 548
 549
 550 exec_bsetroot()
 551 {
 552     case `which bsetroot 2>&1` in
 553         */*bsetroot)
 554             exec bsetroot $ARGS
 555             ;;
 556         *)
 557             error_msg 7
 558     esac
 559 }
 560
 561
 562 check_old_config()
 563 {
 564    if [ -f $CONFIG ]; then
 565         . $CONFIG
 566         if [ -n "$BGAPP" ] || [ -n "$CENTER_ARGS" ] || \
 567            [ -n "$TILED_ARGS" ] || [ -n "$OTHER_ARGS" ] || \
 568            [ -n "$DEFAULT_ARGS" ]; then
 569                 echo " this version of $NAME ($VERSION) no longer uses the old configuration format."
 570                 echo " please update $CONFIG with the new syntax:"
 571                 echo
 572                 echo "        CENTER=\"value\""
 573                 echo "        FULL=\"value\""
 574                 echo "        TILE=\"value\""
 575                 echo "        DEFAULT=\"value\""
 576                 echo
 577                 echo "     see the sample.config file for details."
 578                 exit 0
 579         fi
 580     fi
 581 }
 582
 583
 584 debug()
 585 {
 586     echo "DEBUG:--------------------------"
 587     echo "config: $CONFIG"
 588     echo "full: $FULL"
 589     echo "tile: $TILE"
 590     echo "center: $CENTER"
 591     echo "default: $DEFAULT"
 592     echo "error: $ERROR"
 593     echo "app error: $APP_ERROR"
 594     echo "argument: $ARGUMENT"
 595     echo "________________________________"
 596     echo
 597 }
 598
 599 IMAGE_APPS="display Esetroot wmsetbg xv xli qiv"
 600 CONFIG="$HOME/.bsetbgrc"
 601 NAME=bsetbg
 602 VERSION=1.12
 603 MORE="(C) 2000 by lordzork industries (http://lordzork.com/)"
 604 PATH=$PATH:/usr/bin:/usr/local/bin:/usr/X11R6/bin:/usr/X11/bin
 605 TMPFILE=`tempfile --prefix=bsetbg`
 606 ARGUMENT=$1
 607
 608
 609 case `which grep 2>&1` in */*grep) : ;;
 610     *)
 611         error_msg nogrep
 612 esac
 613
 614 case $1 in
 615     *-full|-f|f)
 616         check_config
 617         IMAGE=$2 && check_image
 618         exec $FULL "$IMAGE"
 619         ;;
 620     *-tile|*tiled|-t|t)
 621         check_config
 622         IMAGE=$2 && check_image
 623         exec $TILE "$IMAGE"
 624         ;;
 625     *-center|-c|c)
 626         check_config
 627         IMAGE=$2 && check_image
 628         exec $CENTER "$IMAGE"
 629         ;;
 630     *-app|-a|a)
 631         APP=$2
 632         ARGS="$3"
 633         case $# in
 634             4)
 635                 ARGMENT=$3
 636                 IMAGE=$4
 637                 exec_app
 638                 ;;
 639             5)
 640                 COMMAND=`shift 1 && echo $*`
 641                 ARGUMENT=$4
 642                 IMAGE=$5
 643                 exec_app
 644                 ;;
 645             *)
 646                 error_msg 8
 647         esac
 648         ;;
 649     -mod|-gradient|-solid)
 650         check_bsetroot_args $*
 651         exec_bsetroot
 652         ;;
 653     -display)
 654         shift 1 && check_bsetroot_args $*
 655         ARGS="-display $ARGS"
 656         exec_bsetroot
 657         ;;
 658     *-info|-i|i)
 659         INFO=yes
 660         check_config
 661         info_msg
 662         ;;
 663     *-version|-v|v)
 664         echo; echo "    $NAME version $VERSION"; echo "    $MORE";  exit 0
 665         ;;
 666     *-help|-h|h)
 667         help_msg
 668         ;;
 669     -r)
 670         case $UID in
 671             0)
 672                 if [ -f $CONFIG ]; then
 673                     exit 1
 674                 else
 675                     create_config
 676                 fi
 677                 ;;
 678             *)
 679                 exit 1
 680         esac
 681         ;;
 682     *)
 683         if [ -n "$1" ]; then
 684             NOARG=yes
 685             IMAGE=$1 && check_image
 686             check_config && final_error_check
 687             exec $DEFAULT "$1"
 688         else
 689             if [ ! -f $CONFIG ]; then
 690                 create_config && exit 0
 691             fi
 692             help_msg
 693         fi
 694 esac