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package X11::Resolution; |
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use warnings; |
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use strict; |
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use X11::Protocol; |
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=head1 NAME |
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X11::Resolution - Get information on the current resolution for X. |
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=head1 VERSION |
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Version 0.0.0 |
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=cut |
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our $VERSION = '0.0.0'; |
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=head1 SYNOPSIS |
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use X11::Resolution; |
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my $xres=X11::Resolution->new(); |
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if($xres->{error}){ |
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print "Error:".$xres->{error}.": ".$xres->{errorString}."\n"; |
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} |
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#gets it currently the current screen |
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my ($x, $y)=$xres->getResolution; |
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if($xres->{error}){ |
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print "Error:".$xres->{error}.": ".$xres->{errorString}."\n"; |
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} |
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print "x=".$x."\ny=".$y."\n"; |
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#gets it for screen zero |
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my ($x, $y)=$xres->getResolution(0); |
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if($xres->{error}){ |
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print "Error:".$xres->{error}.": ".$xres->{errorString}."\n"; |
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} |
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print "x=".$x."\ny=".$y."\n"; |
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=head1 methodes |
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=head2 new |
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This initiates the object. |
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my $xres=X11::Resolution->new(); |
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if($xres->{error}){ |
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print "Error:".$xres->{error}.": ".$xres->{errorString}."\n"; |
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} |
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=cut |
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sub new{ |
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my $self = {error=>undef, errorString=>''}; |
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if (!defined($ENV{DISPLAY})) { |
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warn('X11-Resolution new:1: No enviromentail variable "DISPLAY" defined'); |
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$self->{error}=1; |
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$self->{errorString}='No enviromentail variable "DISPLAY" defined.'; |
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return $self; |
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} |
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$self->{x}=X11::Protocol->new(); |
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bless $self; |
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return $self |
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} |
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=head2 getResolution |
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This fetches the resolution for the current or a given screen. |
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#gets it currently the current screen |
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my ($x, $y)=$xres->getResolution; |
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if($xres->{error}){ |
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print "Error:".$xres->{error}.": ".$xres->{errorString}."\n"; |
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} |
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print "x=".$x."\ny=".$y."\n"; |
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#gets it for screen zero |
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my ($x, $y)=$xres->getResolution(0); |
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if($xres->{error}){ |
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print "Error:".$xres->{error}.": ".$xres->{errorString}."\n"; |
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} |
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print "x=".$x."\ny=".$y."\n"; |
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=cut |
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sub getResolution{ |
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my $self=$_[0]; |
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my $display=$_[1]; |
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if (!defined($display)) { |
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$display=$ENV{DISPLAY}; |
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$display=~s/.*\.//g; |
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} |
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if (!defined($self->{x}->{'screens'}[$display])) { |
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warn('X11-Resolution getResolution:2: '); |
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} |
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my $x=$self->{x}->{'screens'}[$display]{'width_in_pixels'}; |
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my $y=$self->{x}->{'screens'}[$display]{'height_in_pixels'}; |
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return $x, $y; |
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} |
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=head2 errorBlank |
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This is a internal function and should not be called. |
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=cut |
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#blanks the error flags |
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sub errorBlank{ |
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my $self=$_[0]; |
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$self->{error}=undef; |
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$self->{errorString}=''; |
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return 1; |
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}; |
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=head1 ERROR CODES |
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=head2 1 |
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No enviromental variable 'DISPLAY' listed. |
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=head2 2 |
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None existant display. |
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=head1 AUTHOR |
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Zane C. Bowers, C<< >> |
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=head1 BUGS |
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Please report any bugs or feature requests to C, or through |
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the web interface at L. I will be notified, and then you'll |
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automatically be notified of progress on your bug as I make changes. |
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=head1 SUPPORT |
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You can find documentation for this module with the perldoc command. |
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perldoc X11::Resolution |
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You can also look for information at: |
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=over 4 |
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=item * RT: CPAN's request tracker |
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L |
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=item * AnnoCPAN: Annotated CPAN documentation |
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=item * CPAN Ratings |
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L |
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=item * Search CPAN |
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=back |
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=head1 ACKNOWLEDGEMENTS |
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=head1 COPYRIGHT & LICENSE |
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Copyright 2009 Zane C. Bowers, all rights reserved. |
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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=cut |
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1; # End of X11::Resolution |