/[iselect]/bin/iselect.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 7 by dpavlin, Thu Oct 25 14:11:42 2007 UTC revision 11 by dpavlin, Thu Oct 25 15:19:51 2007 UTC
# Line 23  my $data = <<'EOF'; Line 23  my $data = <<'EOF';
23    
24  EOF  EOF
25    
26  open(my $ps, "ps ax |") || die "can't do ps ax: $!";  $data .= ( rand(10) < 5 ? '{s}' : '' ) . "foobar $_\n" foreach ( 1 .. 300 );
 while(<$ps>) {  
         $data .= '{s}'.$_;  
         $data .= $_;  
 }  
 close($ps);  
27    
28  $data .= "\n--EOF--";  $data .= "\n--EOF--";
29    
# Line 50  my $sel_pos = 0; Line 45  my $sel_pos = 0;
45  my $status_text = '';  my $status_text = '';
46  my $error_text = '';  my $error_text = '';
47    
48    my $status_lines = 3;
49    
50  # find which lines are selectable in input file  # find which lines are selectable in input file
51  my $selectable_line;  my $selectable_line;
52    
53  for my $l (0 .. $#lines) {  for my $l (0 .. $#lines) {
54          if ($lines[$l] !~ s/^{s}//) {          if ($lines[$l] =~ s/^{s}//) {
55                  $selectable_line->{$l}++;                  $selectable_line->{$l}++;
56          }          }
57  }  }
# Line 82  sub chunk { Line 78  sub chunk {
78  sub redraw_line {  sub redraw_line {
79          my ($l,$line) = @_;          my ($l,$line) = @_;
80    
81          if ( defined $selectable_line->{ $l } ) {          if ( defined $selectable_line->{ $l + $top_screen_line } ) {
82                  $scr->at($l,0)->bold()->puts( full_line( chunk($line) ) )->normal();                  $scr->at($l,0)->bold()->puts( full_line( chunk($line) ) )->normal();
83          } else {          } else {
84                  $scr->at($l,0)->puts( full_line( chunk($line) ) );                  $scr->at($l,0)->puts( full_line( chunk($line) ) );
# Line 90  sub redraw_line { Line 86  sub redraw_line {
86  }  }
87    
88  sub redraw {  sub redraw {
89          for my $l (0 .. $scr->rows - 3) {          for my $l (0 .. $scr->rows - $status_lines) {
90                  my $line = $lines[ $l + $top_screen_line ];                  my $line = $lines[ $l + $top_screen_line ];
91                  redraw_line( $l, $line );                  redraw_line( $l, $line );
92                  last if ($l == $#lines);                  last if ($l == $#lines);
# Line 102  sub status { Line 98  sub status {
98          my $pcnt = int(($pos || 0) * 100 / ($#lines || 1));          my $pcnt = int(($pos || 0) * 100 / ($#lines || 1));
99          my $pos_txt = sprintf('%d, %d%% ',$pos,$pcnt);          my $pos_txt = sprintf('%d, %d%% ',$pos,$pcnt);
100                    
101          $scr->at($scr->rows - 2,0)->reverse()->puts(          $scr->at($scr->rows - $status_lines + 1,0)->reverse()->puts(
102                  sprintf(' %-'.($scr->cols - length($pos_txt) - 2).'s ',$status_text)                  sprintf(' %-'.($scr->cols - length($pos_txt) - 2).'s ',$status_text)
103          .$pos_txt)->normal();          .$pos_txt)->normal();
104          $scr->at($scr->rows - 1,0)->puts(          $scr->at($scr->rows - $status_lines + 2,0)->puts(
105                  sprintf('%-'.$scr->cols.'s', $error_text)                  sprintf('%-'.$scr->cols.'s', $error_text)
106          );          );
107  }  }
# Line 117  sub selected { Line 113  sub selected {
113    
114          redraw_line( $screen_line, $lines[$pos] );          redraw_line( $screen_line, $lines[$pos] );
115    
116          my $last_screen_line = $scr->rows - 3;          my $last_screen_line = $scr->rows - $status_lines;
117    
118          if ( $d < 0 && $screen_line == 0 ) {          if ( $d < 0 && $screen_line == 0 ) {
119                  if ( $pos > 0 ) {                  if ( $pos > 0 ) {
# Line 159  while(my $key = $scr->getch()) { Line 155  while(my $key = $scr->getch()) {
155    
156          $error_text = "";          $error_text = "";
157    
158          my $lines_on_screen = $scr->rows - 3;          my $lines_on_screen = $scr->rows - $status_lines;
159    
160          if ($key eq 'ku') {          if ($key eq 'ku') {
161                  selected( -1 );                  selected( -1 );
# Line 190  while(my $key = $scr->getch()) { Line 186  while(my $key = $scr->getch()) {
186                  $status_text .= sprintf("key: %s [%03d][%02x]", $key =~ m/\w/ ? $key : '?' , ord($key), ord($key) );                  $status_text .= sprintf("key: %s [%03d][%02x]", $key =~ m/\w/ ? $key : '?' , ord($key), ord($key) );
187          }          }
188    
         status;  
   
189          # CTRL+L          # CTRL+L
190          redraw if ord($key) eq 0x0c;          redraw if ord($key) eq 0x0c;
191    
192            # Enter
193            if ( ord($key) eq 0x0d && $sel_pos > 0 ) {
194                    $error_text = "execute: " . $lines[ $sel_pos ];
195            }
196    
197          exit if (lc($key) eq 'q');          exit if (lc($key) eq 'q');
198    
199            status;
200    
201  }  }
202    
203  $scr->clrscr();  $scr->clrscr();
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