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Diffstat (limited to 'Master/tlpkg/tlperl/bin/gedi')
| -rwxr-xr-x | Master/tlpkg/tlperl/bin/gedi | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/bin/gedi b/Master/tlpkg/tlperl/bin/gedi new file mode 100755 index 00000000000..c42bbb6fdd6 --- /dev/null +++ b/Master/tlpkg/tlperl/bin/gedi @@ -0,0 +1,315 @@ +#!/usr/local/bin/perl -w + +############################################################################### +# Copyright (c) 1999 Greg London +# All rights reserved. +# This program is free software. +# You can redistribute it and/or modify it under the same terms as Perl itself. +############################################################################### + +############################################################################### +# This is a perl application, called gedi, implementing a text editor. +# gedi is short for Greg's EDItor. The "g" being pronounced like a "j". +############################################################################### + + +require 5; +use locale; +use strict; + +use Tk; +use Tk::widgets qw(TextEdit); +use File::Basename; + +########################################### +# check command line parameter. +# if none, start with file called 'NewFile' +# if -help, print help +# if filename, open file or die +# note, wildcard automatically gets handled by perl interpreter, +# so that @ARGV contains list of matches. +########################################### + +# Create MainWindow first to handle X11 options. +my $top = MainWindow->new(); + +my $argcount = @ARGV; +my ($global_filename) = @ARGV; + +if ($argcount>1) + { + print "\n"; + print "ERROR: too many files specified. \n"; + die "\n"; + } + +if ($argcount == 0) + {$global_filename = 'NoName';} + +if ( + ($global_filename eq 'help') || + ($global_filename eq '-help') || + ($global_filename eq '-h') || + ($global_filename eq '-?') + ) + { + print "\n"; + print "$0 expects one command line argument: \n"; + print " the name of the file to edit \n"; + die "\n"; + } + + +# want FileSelect to use the last used directory as the starting directory +# store directory in $global_directory. +my $global_directory = dirname($global_filename); + +############################################## +############################################## +## input parameters have been filtered. +## set up three frames to put everything into. +## menu_frame, text_frame, counter_frame +############################################## +############################################## +# my $menu_frame = $top->Frame->pack(-anchor=>'nw'); +my $text_frame = $top->Frame->pack + (-anchor=>'nw', -expand=>'yes', -fill => 'both'); # autosizing +my $counter_frame = $top->Frame->pack(-anchor=>'nw'); + +############################################## +############################################## +## now set up text window with contents. +############################################## +############################################## + +## autosizing is set up such that when the outside window is +## resized, the text box adjusts to fill everything else in. +## the text frame and the text window in the frame are both +## set up for autosizing. + +my $textwindow = $text_frame->Scrolled( + 'TextEdit', + -exportselection => 'true', # 'sel' tag is associated with selections + # initial height, if it isnt 1, then autosizing fails + # once window shrinks below height + # and the line counters go off the screen. + # seems to be a problem with the Tk::pack command; + -height => 1, + -background => 'white', + -wrap=> 'none', + -setgrid => 'true', # use this for autosizing + -scrollbars =>'se') + -> pack(-expand => 'yes' , -fill => 'both'); # autosizing + +#$textwindow->FileName($global_filename); + + +$top->protocol('WM_DELETE_WINDOW'=> + sub{$textwindow->ConfirmExit;} + ); + +$SIG{INT} = sub {$textwindow->ConfirmExit;}; + +############################################## +############################################## +## set up current line number display +############################################## +############################################## +my $current_line_label = $counter_frame + -> Label(-text=>'line: 1') + -> grid(-row=>1,-column=>1, -sticky=>'nw' ); + +my $total_line_label = $counter_frame + -> Label(-text=>'total lines: 1') + -> grid(-row=>2,-column=>1, -sticky=>'nw' ); + +my $current_column_label = $counter_frame + -> Label(-text=>'column: 0') + -> grid(-row=>3,-column=>1, -sticky=>'nw' ); + +my $insert_overstrike_mode_label = $counter_frame + -> Label(-text=>' ') + -> grid(-row=>5,-column=>1, -sticky=>'nw' ); + +sub update_indicators +{ + my ($line,$column)= split(/\./,$textwindow->index('insert')); + $current_line_label->configure (-text=> "line: $line"); + $current_column_label->configure (-text=> "column: $column"); + + my ($last_line,$last_col) = split(/\./,$textwindow->index('end')); + $total_line_label->configure (-text=> "total lines: $last_line"); + + my $mode = $textwindow->OverstrikeMode; + my $overstrke_insert='Insert Mode'; + if ($mode) + {$overstrke_insert='Overstrike Mode';} + $insert_overstrike_mode_label->configure + (-text=> "$overstrke_insert"); + + my $filename = $textwindow->FileName; + $filename = 'NoName' unless(defined($filename)); + my $edit_flag=''; + if($textwindow->numberChanges) + {$edit_flag='edited';} + $top->configure(-title => "Gedi $edit_flag $filename"); + $textwindow->idletasks; + +} + +$textwindow->SetGUICallbacks ( + [ + \&update_indicators, + sub{$textwindow->HighlightAllPairsBracketingCursor} + ] +); + + +############################################## +############################################## +# call back functions +############################################## +############################################## + +######################################################################## +my $about_pop_up_reference; +sub about_pop_up +{ + my $name = ref($about_pop_up_reference); + if (defined($about_pop_up_reference)) + { + $about_pop_up_reference->raise; + $about_pop_up_reference->focus; + } + else + { + my $pop = $top->Toplevel(); + $pop->title("About"); + + $pop->Label(-text=>"Gedi (Gregs EDItor)")->pack(); + $pop->Label(-text=>"Ver. 1.0")->pack(); + $pop->Label(-text=>"Copyright 1999")->pack(); + $pop->Label(-text=>"Greg London")->pack(); + $pop->Label(-text=>"All Rights Reserved.")->pack(); + $pop->Label(-text=>"This program is free software.")->pack(); + $pop->Label(-text=>"You can redistribute it and/or")->pack(); + $pop->Label(-text=>"modify it under the same terms")->pack(); + $pop->Label(-text=>"as Perl itself.")->pack(); + $pop->Label(-text=>"Special Thanks to")->pack(); + $pop->Label(-text=>"Nick Ing-Simmons.")->pack(); + + my $button_ok = $pop->Button(-text=>'OK', + -command => sub {$pop->destroy(); + $about_pop_up_reference = undef; + } ) + ->pack(); + $pop->resizable('no','no'); + $about_pop_up_reference = $pop; + } +} + +############################################## +############################################## +## now set up menu bar +############################################## +############################################## + +my $menu = $textwindow->menu; +$top->configure(-menu => $menu); + +############################################## +# help menu +############################################## +my $help_menu = $menu->cascade(-label=>'~Help', -tearoff => 0, -menuitems => [ + [Command => 'A~bout', -command => \&about_pop_up] + ]); + +############################################## +# debug menu +############################################## + +if (0) + { + my $debug_menu = $menu->cascade(-label=>'debug', -underline=>0); + + + $debug_menu->command(-label => 'Tag names', -underline=> 0 , + -command => + sub{ + my @tags = $textwindow->tagNames(); + print " @tags\n"; + + foreach my $tag (@tags) + { + my @ranges = $textwindow->tagRanges($tag); + print "tag: $tag ranges: @ranges \n"; + } + + print "\n\n\n"; + my @marks = $textwindow->markNames; + print " @marks \n"; + foreach my $mark (@marks) + { + my $mark_location = $textwindow->index($mark); + print "$mark is at $mark_location\n"; + } + + + print "\n\n\n"; + my @dump = $textwindow->dump ( '-tag', '1.0', '465.0' ); + print "@dump \n"; + + print "\n\n\n"; + print "showing tops children:"; + my @children = $top->children(); + print "@children\n"; + + foreach my $child (@children) + { + my $junk = ref($child); + print "ref of $child is $junk \n"; + } + + my $overstrike = $textwindow->OverstrikeMode; + print "Overstrike is $overstrike \n"; + + $textwindow->dump_array($textwindow); + }); + } + +############################################## +# set the window to a normal size and set the minimum size +$top->minsize(30,1); +$top->geometry("80x24"); + +############################################################################# +############################################################################# +############################################################################# +############################################################################# + + + + +############################################## +## this line for debug +## $top->bind('<Key>', [sub{print "ARGS: @_\n";}, Ev('k'), Ev('K') ] ); + +########################################## +## fill the text window with initial file. + +if ($argcount) + { + if (-e $global_filename) # if it doesn't exist, make it empty + { + # it may be a big file, draw the window, and then load it + # so that we know something is happening. + $top->update; + $textwindow->Load($global_filename); + } + } + + +############################################## +$textwindow->CallNextGUICallback; + +MainLoop(); |