18 |
/ ); |
/ ); |
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21 |
our $VERSION = '0.01'; |
our $VERSION = '0.02'; |
22 |
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23 |
=head1 NAME |
=head1 NAME |
24 |
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64 |
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65 |
my $selectable_line; |
my $selectable_line; |
66 |
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67 |
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my $nr_lines = 0; |
68 |
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69 |
=head2 full_line |
=head2 full_line |
70 |
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71 |
Returns line padded up to screen width |
Returns line padded up to screen width |
80 |
my $cols = $self->screen->cols; |
my $cols = $self->screen->cols; |
81 |
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82 |
my $t = shift; |
my $t = shift; |
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84 |
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$t =~ s/{s}//; |
85 |
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86 |
$t = '' unless defined $t; |
$t = '' unless defined $t; |
87 |
$t = substr($t,0,$cols) if length($t) > $cols; |
$t = substr($t,0,$cols) if length($t) > $cols; |
88 |
return $t . (" " x ($cols - length($t))); |
return $t . (" " x ($cols - length($t))); |
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sub redraw_screen { |
sub redraw_screen { |
117 |
my $self = shift; |
my $self = shift; |
118 |
my @lines = $self->lines; |
my @lines = @{ $self->lines }; |
119 |
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$nr_lines = $#lines; |
120 |
for my $l (0 .. $self->screen->rows - $status_lines) { |
for my $l (0 .. $self->screen->rows - $status_lines) { |
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my $line = $lines[ $l + $top_screen_line ]; |
my $line = $lines[ $l + $top_screen_line ]; |
122 |
$self->redraw_line( $l, $line ); |
$self->redraw_line( $l, $line ); |
136 |
sub redraw_statusline { |
sub redraw_statusline { |
137 |
my $self = shift; |
my $self = shift; |
138 |
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139 |
my @lines = $self->lines; |
my $pcnt = int(($pos || 0) * 100 / ( $nr_lines || 1 ) ); |
140 |
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my $pos_txt = sprintf('%d/%s, %d%% ',$pos,$nr_lines,$pcnt); |
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my $pcnt = int(($pos || 0) * 100 / ( $#lines || 1)); |
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my $pos_txt = sprintf('%d, %d%% ',$pos,$pcnt); |
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my $scr = $self->screen || confess "need screen"; |
my $scr = $self->screen || confess "need screen"; |
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144 |
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my $status_text = sprintf("pos: %-3d sel_pos: %-3d top_screen_line: %-3d", $pos, $sel_pos, $top_screen_line ); |
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146 |
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$status_text .= ' ' . $self->status_text if $self->status_text; |
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148 |
$scr->at($scr->rows - $status_lines + 1,0)->reverse()->puts( |
$scr->at($scr->rows - $status_lines + 1,0)->reverse()->puts( |
149 |
sprintf(' %-'.($scr->cols - length($pos_txt) - 2).'s ',$self->status_text) |
sprintf(' %-'.($scr->cols - length($pos_txt) - 2).'s ',$status_text) |
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.$pos_txt)->normal() if $self->status_text; |
.$pos_txt)->normal(); |
151 |
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$scr->at($scr->rows - $status_lines + 2,0)->puts( |
$scr->at($scr->rows - $status_lines + 2,0)->puts( |
153 |
sprintf('%-'.$scr->cols.'s', $self->error_text) |
sprintf('%-'.$scr->cols.'s', $self->error_text ) |
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) if $self->error_text; |
) if $self->error_text; |
155 |
} |
} |
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=head2 selected |
=head2 selected |
158 |
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159 |
Move selection (or refresh it) |
Move selection to some line of document |
160 |
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161 |
$iselect->selected( +1 ); |
$iselect->selected( 42 ); |
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$iselect->selected( -1 ); |
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$iselect->selected( 0 ); |
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163 |
=cut |
=cut |
164 |
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165 |
sub selected { |
sub selected { |
166 |
my $self = shift; |
my $self = shift; |
167 |
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168 |
my $d = shift || 0; |
my $new_pos = shift; |
169 |
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170 |
my $screen_line = $pos - $top_screen_line; |
if ( defined $new_pos ) { |
171 |
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172 |
$self->redraw_line( $screen_line, ($self->lines)[$pos] ); |
my $screen_line = $pos - $top_screen_line; |
173 |
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$self->redraw_line( $screen_line, $self->lines->[$pos] ); |
174 |
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175 |
my $last_screen_line = $self->screen->rows - $status_lines; |
my $last_screen_line = $self->screen->rows - $status_lines; |
176 |
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177 |
if ( $d < 0 && $screen_line == 0 ) { |
if ( $new_pos < $pos && $screen_line == 0 ) { |
178 |
if ( $pos > 0 ) { |
if ( $pos > 0 ) { |
179 |
$top_screen_line--; |
$top_screen_line--; |
180 |
$pos--; |
$pos--; |
181 |
} else { |
$self->screen->at(0,0)->il; |
182 |
$self->error_text( "Already at Begin." ); |
$self->error_text( ' ' ); |
183 |
} |
} else { |
184 |
$self->redraw_screen; |
$self->error_text( "Already at Begin." ); |
185 |
} elsif ( $d > 0 && $screen_line == $last_screen_line ) { |
} |
186 |
if ( $pos < scalar($self->lines) ) { |
} elsif ( $new_pos > $pos && $screen_line == $last_screen_line ) { |
187 |
$top_screen_line++; |
if ( $pos < $nr_lines ) { |
188 |
$pos++; |
$top_screen_line++; |
189 |
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$pos++; |
190 |
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$self->screen->at(0,0)->dl; |
191 |
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} else { |
192 |
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$self->error_text( "Already at End." ); |
193 |
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} |
194 |
} else { |
} else { |
195 |
$self->error_text( "Already at End." ); |
$pos = $new_pos; |
196 |
} |
} |
197 |
$self->redraw_screen; |
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} else { |
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$pos += $d; |
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198 |
} |
} |
199 |
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200 |
my $line = ($self->lines)[$pos]; |
my $line = $self->lines->[$pos]; |
201 |
if ( defined $selectable_line->{ $pos } ) { |
if ( defined $selectable_line->{ $pos } ) { |
202 |
$self->screen->at($pos - $top_screen_line,0)->reverse->bold()->puts( $self->full_line( $line ) )->normal(); |
$self->screen->at($pos - $top_screen_line,0)->reverse->bold()->puts( $self->full_line( $line ) )->normal(); |
203 |
$sel_pos = $pos; |
$sel_pos = $pos; |
226 |
my $callback = shift; |
my $callback = shift; |
227 |
confess "expect callback as first arg" unless ref($callback) eq 'CODE'; |
confess "expect callback as first arg" unless ref($callback) eq 'CODE'; |
228 |
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229 |
my @lines = $self->lines; |
my @lines = @{ $self->lines }; |
230 |
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231 |
# find which lines are selectable in input file |
# find which lines are selectable in input file |
232 |
for my $l (0 .. $#lines) { |
for my $l (0 .. $#lines) { |
233 |
if ($lines[$l] =~ s/^{s}//) { |
if ($lines[$l] =~ m/^{s}/) { |
234 |
$selectable_line->{$l}++; |
$selectable_line->{$l}++; |
235 |
} |
} |
236 |
} |
} |
247 |
$self->redraw_screen; |
$self->redraw_screen; |
248 |
$self->selected; |
$self->selected; |
249 |
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250 |
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my $lines_on_screen = $self->screen->rows - $status_lines; |
251 |
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252 |
while(my $key = $self->screen->getch()) { |
while(my $key = $self->screen->getch()) { |
253 |
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254 |
my $lines_on_screen = $self->screen->rows - $status_lines; |
$self->error_text(''); |
255 |
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256 |
if ($key eq 'ku') { |
if ($key eq 'ku') { |
257 |
$self->selected( -1 ); |
$self->selected( $pos - 1 ); |
258 |
} elsif ($key eq 'kd') { |
} elsif ($key eq 'kd') { |
259 |
$self->selected( +1 ); |
$self->selected( $pos + 1 ); |
260 |
} elsif ($key eq 'pgup' ) { |
} elsif ($key eq 'pgup' ) { |
261 |
# first line on screen? |
# first line on screen? |
262 |
if ( $pos == $top_screen_line ) { |
if ( $pos == $top_screen_line ) { |
264 |
$top_screen_line = 0 if $top_screen_line < 0; |
$top_screen_line = 0 if $top_screen_line < 0; |
265 |
$self->redraw_screen; |
$self->redraw_screen; |
266 |
} |
} |
267 |
$self->selected( -( $pos - $top_screen_line ) ); |
if ( $pos == $top_screen_line ) { |
268 |
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$self->error_text( "Already at top." ); |
269 |
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} else { |
270 |
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$self->selected( $top_screen_line ); |
271 |
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} |
272 |
} elsif ($key eq 'pgdn' ) { |
} elsif ($key eq 'pgdn' ) { |
273 |
# last line on screen? |
# last line on screen? |
274 |
if ( $pos - $top_screen_line == $lines_on_screen ) { |
if ( $pos - $top_screen_line == $lines_on_screen ) { |
275 |
$top_screen_line += $lines_on_screen; |
$top_screen_line += $lines_on_screen; |
276 |
$top_screen_line = $#lines - $lines_on_screen if $top_screen_line >= $#lines - $lines_on_screen; |
|
277 |
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my $max_top_screen_line = |
278 |
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$nr_lines > $lines_on_screen ? $nr_lines - $lines_on_screen : 0; |
279 |
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280 |
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$top_screen_line = $max_top_screen_line if $top_screen_line > $max_top_screen_line; |
281 |
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warn "max_top_screen_line = $max_top_screen_line top_screen_line = $top_screen_line\n"; |
282 |
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$self->redraw_screen; |
283 |
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} |
284 |
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if ( $pos == $nr_lines ) { |
285 |
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$self->error_text( "Already at bottom." ); |
286 |
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} else { |
287 |
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$self->selected( $top_screen_line + $lines_on_screen ); |
288 |
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} |
289 |
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} elsif ($key eq 'g' ) { |
290 |
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if ( $top_screen_line == 0 ) { |
291 |
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if ( $pos == 0 ) { |
292 |
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$self->error_text( "Already at top." ); |
293 |
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} else { |
294 |
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$self->selected( 0 ); |
295 |
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} |
296 |
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} else { |
297 |
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$top_screen_line = 0; |
298 |
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$pos = 0; |
299 |
$self->redraw_screen; |
$self->redraw_screen; |
300 |
} |
} |
|
$self->selected( $top_screen_line + $lines_on_screen - $pos ); |
|
301 |
} |
} |
302 |
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my $status_text = sprintf("pos: %-3d sel_pos: %-3d top_screen_line: %-3d", $pos, $sel_pos, $top_screen_line ); |
|
303 |
if ( length($key) > 1 ) { |
if ( length($key) > 1 ) { |
304 |
$status_text .= " key: $key"; |
$self->status_text("key: $key"); |
305 |
} else { |
} else { |
306 |
$status_text .= sprintf("key: %s [%03d][%02x]", $key =~ m/\w/ ? $key : '?' , ord($key), ord($key) ); |
$self->status_text( sprintf("key: %s [%03d][%02x]", $key =~ m/\w/ ? $key : '?' , ord($key), ord($key) ) ); |
307 |
} |
} |
|
$self->status_text( $status_text ); |
|
308 |
|
|
309 |
# CTRL+L |
# CTRL+L |
310 |
$self->redraw_screen if ord($key) eq 0x0c; |
$self->redraw_screen if ord($key) eq 0x0c; |