util/wkdemenu.pl

   1 #!/usr/bin/perl
   2 #
   3 #
   4 # kde2wmaker.pl:
   5 #
   6 #
   7 # This script, made for users of Window Maker (http://windowmaker.info) is to
   8 # be used along with KDE (http://www.kde.org).
   9 #
  10 #
  11 # The default directory, /usr/share/applnk, will contain various
  12 # sub-directories such as Development, Editors, Internet, etc. If for some
  13 # reason, you wish to use an alternate (parent) directory that contains the
  14 # various applnk files, it can be specified on the command line.
  15 #
  16 # The directory, if an alternate is specified, MUST be a parent directory to
  17 # any/all sub-directories.
  18 #
  19 # Usage: kde2wmaker.pl [ Options... ]
  20 #
  21 #        Options:
  22 #
  23 #                -d <KDE App.kdelnk dir>
  24 #                -f <output menufile>
  25 #                -t <X terminal application>
  26 #
  27 # When the script is run, it will write out a proper Window Maker "External
  28 # Menu" entry, that can be included in the menu. When the External Menu has
  29 # been correctly configured, the root menu will display a sub-menu containing
  30 # all of the KDE related items found. The script only needs to be run when/if
  31 # KDE is updated.
  32 #
  33 #
  34 # Installation and Configuration:
  35 #
  36 # 1) If /usr/bin/perl is not the location of the perl binary on your system,
  37 #    the first line should be changed to reflect upon it's location.
  38 # 2) Run the script.
  39 # 3) Configure Window Maker's menu by editing ~/GNUstep/Defaults/WMRootMenu
  40 #    This could be done with any text editor, or by using WPrefs. Insert
  41 #    the following line (if done with a text editor) into the WMRootMenu file.
  42 #      ("External Menu", OPEN_MENU, "$HOME/.kde2wmaker.menu"),
  43 #    If done using WPrefs, simply "Add External Menu" from the drop down menu,
  44 #    then type: $HOME/.kde2wmaker.menu   into the "Menu Path/Directory List"
  45 #    textbox.
  46 # 4) Some KDE entries, such as "Pine" will require a terminal to
  47 #    execute it.  There is a terminal variable below. You may use any
  48 #    terminal, XTerm is the default. Any command line options such as:
  49 #    -fg -bg, etc. can be specified in this variable as well.
  50 #
  51 #
  52 # Michael Hokenson - logan@dct.com
  53 #
  54 #
  55 #---------------------------------------------------------------------
  56 #
  57 # v1.2.0 -- 14th February 2001.
  58 #
  59 # Added alphabetic sorting of the menus.
  60 #
  61 # Directories are now displayed before files in the menu.
  62 #
  63 #---------------------------------------------------------------------
  64 #
  65 # v1.1.5 -- 3rd February 2001. (No public release)
  66 #
  67 # Unsupported applnk files have a fallback entry in the menu tree so
  68 # that users can report menu entries that do not work. So far,
  69 # wkdemenu.pl assumes that there is an Exec= line in the application
  70 # definition, which is not always the case.
  71 #
  72 # --------------------------------------------------------------------
  73 #
  74 # v1.1.0 -- 29th January 2001.
  75 #
  76 # Code cleanup and bug fixes.
  77 #
  78 # --------------------------------------------------------------------
  79 #
  80 # v1.0.0 -- 21st January 2001.
  81 #
  82 # This script has been completely re-written to allow recursion of the
  83 # KDE menu directories to an arbitrary depth, fixing a major
  84 # functional limitation in the original script. To do this, I have
  85 # rewritten the code to traverse directories recursively, introducing
  86 # a subroutine, process_dir() to carry out the task.
  87 #
  88 # wkdemenu.pl provides an excellent extension to the user interface in
  89 # Window Maker, working well with the "Generated Submenu" feature.
  90 #
  91 #
  92 # Summary of New Features
  93 # -----------------------
  94 #
  95 # Added support for menus of arbitrary depth.
  96 #
  97 # Added basic internationalisation based on KDE's language
  98 # setting. The language is taken from "~/.kde/share/config/kdeglobals"
  99 # or from "~/.kderc".
 100 #
 101 # Corrected the generation of menu names, incorporating
 102 # internationalisation, where appropriate.
 103 #
 104 # Changed the double quotes to two single quotes in application names
 105 # so that they do not break the Menu parser in Window Maker.
 106 #
 107 # Stripped off the arguments to commands on the Exec= line, except in
 108 # a few KDE specific cases (e.g. kfmclient). The extra options are
 109 # only usable by KDE and were preventing many applications from
 110 # launching, since they could parse the option %c or %s, for example.
 111 # This "feature" will probably need a more formal or interactive way
 112 # of specifying exceptions in the future.
 113 #
 114 # Added a command line option for specifying the X terminal to
 115 # use. This still defaults to xterm, but could be used to specify
 116 # aterm, etc.
 117 #
 118 # Malcolm Cowe, malk@271m.net.
 119 #
 120 # --------------------------------------------------------------------
 121 #
 122 # To Do
 123 # -----
 124 #
 125 # Programmatically determine the system location for the KDE menu
 126 # directory.
 127 #
 128 # Find a better way to parse the Exec= lines. In the short term,
 129 # provide a user mechanism for generating exceptions to the curtailing
 130 # of command line options. In the longer term, emulate what KDE does
 131 # with these command line features.
 132 #
 133 # Optimise the code. This is my first proper PERL script, and I'm sure
 134 # there's a better way. =)
 135 #
 136
 137 #
 138 # Variables
 139 #
 140
 141 # The External Menu file, this should NEVER point to the root menu file
 142 $menufile = "$ENV{'HOME'}/.kde2wmaker.menu";
 143
 144 # Base directory, location of all the KDE AppName.kdelnk files.
 145
 146 # Change the base directory default to point at the system files,
 147 # not the user files. Need to find a way of determining the prefix
 148 # programmatically.
 149 $prefix="/usr";
 150 $basedir = $prefix."/share/applnk";
 151
 152 # Terminal to use. May be specified on the command line with the -t
 153 # switch.
 154 $term = "xterm";
 155
 156 # Xmessage command line to invoke (can vary platform to platform)
 157 $ostype = `uname -s`;
 158 if ($ostype =~ /^HP-UX$/) {
 159   $xmsg = "xmessage -geometry 400x100 -f -";
 160 }
 161 else {
 162   $xmsg = "xmessage -geometry 400x100 -file - -default \"okay\"";
 163 }
 164
 165 # Print to STDOUT, default is YES, a filename is specified
 166 $stdout = 1;
 167
 168 # KDE Locale Support
 169
 170 # Support for KDE internationalisation so that menu entries appear
 171 # in the language chosen by the user. Also gets around some problems
 172 # with the KDE applnk file format.
 173
 174 # The Locale is stored in one of two places, depending on the
 175 # version of KDE that is running.
 176 $kde2cf="$ENV{'HOME'}/.kde/share/config/kdeglobals";
 177 $kde1cf="$ENV{'HOME'}/.kderc";
 178 $kdeLanguage = "";
 179
 180 # Open the file, if it exists, otherwise provide a default language.
 181 unless(open KDERC, $kde2cf) {
 182   unless(open KDERC, $kde1cf) {
 183     $kdeLanguage = "C";
 184   }
 185 }
 186
 187 if ( $kdeLanguage == ""){
 188   $kdeLanguage = "C";
 189   # Search through the contents of the file
 190   while($line = <KDERC>) {
 191     chomp($line);
 192     # Grab the Language
 193     if($line =~ /^Language=/) {
 194       $kdeLanguage = $line;
 195       $kdeLanguage =~ s/Language=//;
 196       ($kdeLanguage) = split /:/,$kdeLanguage;
 197       last;
 198     }
 199   }
 200   close(KDERC);
 201 }
 202
 203
 204 #
 205 # Begin Main Iteration.
 206 #
 207
 208 # Process command line arguments
 209 foreach $arg(@ARGV) {
 210   if($last) {
 211     if($last eq "-d") {
 212       $basedir = $arg;
 213     }
 214     elsif($last eq "-f") {
 215       $menufile = $arg;
 216       $stdout = 0;
 217     }
 218     elsif($last eq "-t") {
 219       $term = $arg;
 220     }
 221     undef($last);
 222   } elsif($arg =~ /^-/) {
 223     if($arg =~ /^-[dfst]$/) {
 224       $last = $arg;
 225     } else {
 226       die("Unknown option: $arg\n\nUsage: kde2wmaker.pl [ Options... ]\n".
 227           "\n\tOptions:\n\n".
 228           "\t\t-d <KDE App.kdelnk dir>\n".
 229           "\t\t-f <output menufile>\n".
 230           "\t\t-t <X terminal application>\n");
 231       &Usage;
 232     }
 233   }
 234 }
 235
 236 # Make sure the KDE Menu's Top Level Directory exists.
 237 if(-d $basedir) {
 238   # See if there is an old menu file. If there is, rename it
 239   unless($stdout) {
 240     if(-e $menufile) {
 241       print STDERR "\tFound $menufile, renaming\n\n";
 242       rename $menufile, "$menufile.old";
 243     }
 244     open(MENUFILE,"> $menufile");
 245   }
 246
 247   # Start the main menu entry
 248   if($stdout) {
 249     print STDOUT "\"KDE Applications\" MENU\n";
 250     process_dir (STDOUT, $basedir);
 251     print STDOUT "\"KDE Applications\" END\n";
 252   } else {
 253     print MENUFILE "\"KDE Applications\" MENU\n";
 254     process_dir (MENUFILE, $basedir);
 255     print MENUFILE "\"KDE Applications\" END\n";
 256   }
 257
 258 } else {
 259   # Error out :/
 260   print STDERR "ERROR:\n\t$basedir not found\n\tTry another directory.\n";
 261   exit(0);
 262 }
 263
 264 # End of Main Iteration.
 265
 266
 267 # process_dir() works it's way through each file and directory in
 268 # the tree and generates the menu output to be used by Window Maker.
 269 sub process_dir {
 270
 271   my $OUT = @_[0];
 272   my $path = @_[1];
 273   my $item;
 274   my @tld;
 275   my @tlf;
 276   my @klist;
 277   my ($gotLang, $gotDef, $gotExec, $inTerm);
 278   my $inDesktop;
 279
 280   # tld == Top Level Directory.
 281   opendir(TLD, $path) || return;
 282   # In order to display directories before files, the directory
 283   # contents must be split. Directories are added to one array, files
 284   # to a second. The lists are then sorted alphabetically by name and
 285   # combined into a single list for processing by the rest of the
 286   # subroutine.
 287   while (defined($file = readdir(TLD))) {
 288     next if $file =~ /^\./;
 289     if (-d "$path/$file") {
 290       @tld = (@tld, $file);
 291     }
 292     else {
 293       @tlf = (@tlf, $file);
 294     }
 295   }
 296   closedir(TLD);
 297   # At this stage, only sort the directories, since the application
 298   # sorting is done later, using the "Name=" field in the applnk file.
 299   @tld = sort (@tld);
 300
 301   # Print out directory names first and then process the directories.
 302   foreach $item(@tld) {
 303     print $OUT "\"$item\" MENU\n";
 304     process_dir($OUT, "$path/$item");
 305     print $OUT "\"$item\" END\n";
 306   }
 307
 308   # Process the applnk files in the current directory.
 309   foreach $item(@tlf) {
 310     $gotLang = 0;
 311     $gotDef = 0;
 312     $gotExec = 0;
 313     $inTerm = 0;
 314     $inDesktop = 0;
 315
 316     # Process the contents of the applnk file to generate a menu
 317     # entry for the application.
 318
 319     open(SUB,"$path/$item");
 320
 321     # Set a default application warning to run in case there is no
 322     # Exec= line in the application definition. This will be
 323     # useful for debugging exceptions.
 324     $pname="$item";
 325     $pargs="echo \"Could not extract executable information from:\\n\\n$path/$item.\"|".$xmsg;
 326
 327     # Search through the contents of the file. Exit the loop at the
 328     # EOF or if we have processed the [Desktop Entry Section] of the
 329     # file.
 330     while($line = <SUB>) {
 331       chomp($line);
 332       # Get the application's name. This is stored in the
 333       # [Desktop Entry] section of the applnk description.
 334       #
 335       # The application's name can have one of these forms:
 336       # Name=
 337       # Name[]=
 338       # Name[language]=
 339       #
 340       # Get the default name anyway (one of the first two, just
 341       # in case there is no language specific entry).
 342       if ($inDesktop) {
 343         # Make sure we are in fact still in the [Desktop Entry]
 344         # section.
 345         if ($line =~ /^\[/) {
 346           $inDesktop = 0;
 347         }
 348         # Extract the Name of the Application
 349         elsif ($line =~ /^Name\[?\]?=/
 350                && (!$gotDef || !gotLang)) {
 351           $pname = $line;
 352           $pname =~ s/^Name\[?\]?=//s;
 353           $pname =~ s/\"/\'\'/g;
 354           $gotDef = 1;
 355         }
 356         elsif ($line =~ /^Name\[$kdeLanguage\]=/ && !$gotLang) {
 357           $pname = $line;
 358           $pname =~ s/^Name\[$kdeLanguage\]=//s;
 359           $pname =~ s/\"/\'\'/g;
 360           $gotLang = 1;
 361         }
 362         # Grab the command
 363         elsif($line =~ /^Exec=/ && !$gotExec) {
 364           $pargs = $line;
 365           $pargs =~ s/^Exec=//s;
 366           # Strip off all command line options unless the
 367           # application is "kfmclient", etc.
 368           if ($pargs !~ /^kfmclient/
 369               && $pargs !~ /^kcm/
 370               && $pargs !~ /^\/bin\/bash/
 371               && $pargs !~ /^kdesu/){
 372             ($pargs) = split(/\s/, $pargs);
 373           }
 374           else {
 375             # A double check to remove any dubious characters from
 376             # the command line of the exceptions listed in the
 377             # above "if" statement. The only culprit so far is the
 378             # KDE 1 kfmclient command line.
 379             $pargs =~ s/\%[a-zA-Z]//g;
 380           }
 381           $gotExec = 1;
 382         }
 383         # If Terminal=1, then we need to execute application
 384         # within a terminal window.
 385         elsif($line =~ /^Terminal=(1|true)$/i) {
 386           $inTerm=1;
 387         }
 388       }
 389       elsif ($line =~ /^\[(KDE\ )?Desktop\ Entry\]/){
 390         $inDesktop = 1;
 391       }
 392     }
 393
 394     close(SUB);
 395
 396     if ($inTerm) {
 397       $pargs = "$term -T \"$pname\" -e $pargs";
 398     }
 399     @klist = (@klist, "\t\"$pname\" EXEC $pargs\n");
 400   }
 401
 402   @klist = sort(@klist);
 403   foreach (@klist) {
 404     print $OUT $_;
 405   }
 406
 407   return;
 408 }