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############################################################################# |
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## Name: lib/Wx/DemoModules/wxClipboard.pm |
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## Purpose: wxPerl demo helper for Wx::Clipboard |
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## Author: Mattia Barbon |
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## Modified by: |
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## Created: 12/09/2001 |
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## RCS-ID: $Id: wxClipboard.pm 3082 2011-07-04 16:40:16Z mdootson $ |
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## Copyright: (c) 2001, 2003, 2006, 2011 Mattia Barbon |
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## Licence: This program is free software; you can redistribute it and/or |
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## modify it under the same terms as Perl itself |
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############################################################################# |
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use Wx::DND; |
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package Wx::DemoModules::wxClipboard; |
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use strict; |
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use base qw(Wx::Panel Class::Accessor::Fast); |
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use Wx qw(:dnd wxTheClipboard wxNullBitmap); |
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use Wx::Event qw(EVT_BUTTON); |
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use Wx::DemoModules::lib::DataObjects; |
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__PACKAGE__->mk_ro_accessors( qw(text image) ); |
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sub new { |
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my $class = shift; |
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my $this = $class->SUPER::new( $_[0], -1 ); |
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my $copy = Wx::Button->new( $this, -1, 'Copy Text', [ 20, 20 ] ); |
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my $paste = Wx::Button->new( $this, -1, 'Paste', [ 120, 20 ] ); |
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my $copy_im = Wx::Button->new( $this, -1, 'Copy Image', [ 20, 50 ] ); |
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$this->{text} = Wx::StaticText->new( $this, -1, '', [ 220, 20 ] ); |
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$this->{image} = Wx::StaticBitmap->new( $this, -1, wxNullBitmap, |
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[ 220, 150 ], [ 100, 100 ] ); |
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EVT_BUTTON( $this, $copy, \&OnCopyText ); |
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EVT_BUTTON( $this, $paste, \&OnPaste ); |
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EVT_BUTTON( $this, $copy_im, \&OnCopyImage ); |
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my $copy_both = Wx::Button->new( $this, -1, 'Copy Both', [ 20, 80 ] ); |
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EVT_BUTTON( $this, $copy_both, \&OnCopyBoth ); |
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# this does NOT work on WinXP |
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my $copy_pd = Wx::Button->new( $this, -1, 'Copy Data', [ 20, 110 ] ); |
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EVT_BUTTON( $this, $copy_pd, \&OnCopyData ); |
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# wxTheClipboard->UsePrimarySelection( 0 ); |
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return $this; |
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} |
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sub _Copy { |
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my $data = shift; |
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wxTheClipboard->Open; |
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wxTheClipboard->SetData( $data ); |
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wxTheClipboard->Close; |
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} |
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sub OnCopyText { |
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my( $this, $event ) = @_; |
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_Copy( get_text_data_object() ); |
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Wx::LogMessage( "Copied some text" ); |
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} |
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sub OnCopyImage { |
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my( $this, $event ) = @_; |
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_Copy( get_bitmap_data_object() ); |
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Wx::LogMessage( "Copied an image" ); |
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} |
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sub OnCopyBoth { |
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my( $this, $event ) = @_; |
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_Copy( get_text_bitmap_data_object() ); |
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Wx::LogMessage( "Copied both text and image" ); |
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} |
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sub OnCopyData { |
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my( $this, $event ) = @_; |
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my $PerlData = { fruit => 'lemon', colour => 'yellow' }; |
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_Copy( get_perl_data_object( $PerlData ) ); |
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Wx::LogMessage( "Copied perl data object: fruit=$PerlData->{fruit}, colour=$PerlData->{colour}" ); |
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} |
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sub OnPaste { |
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my( $this, $event ) = @_; |
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wxTheClipboard->Open; |
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my $text = ''; |
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# The cliboard may contain a composite object |
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# in which case, for GTK at least, we need to |
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# check for wxDF_UNICODETEXT in addition to |
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# wxDF_TEXT. |
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# wxDF_UNICODETEXT may not be wrapped in the |
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# version of Wx installed, so we may have to use |
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# a workaround. |
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my $unicodetext_wxwidgets_id = 13; |
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my $unicodetextformat = ( defined(&Wx::wxDF_UNICODETEXT) ) |
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? wxDF_UNICODETEXT() : Wx::DataFormat->newNative( $unicodetext_wxwidgets_id ); |
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if( wxTheClipboard->IsSupported( wxDF_TEXT ) || wxTheClipboard->IsSupported( $unicodetextformat ) ) { |
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my $data = Wx::TextDataObject->new; |
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my $ok = wxTheClipboard->GetData( $data ); |
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if( $ok ) { |
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Wx::LogMessage( "Pasted text data" ); |
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$text = $data->GetText; |
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} else { |
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Wx::LogMessage( "Error pasting text data" ); |
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$text = ''; |
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} |
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} |
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$this->text->SetLabel( $text ); |
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my $bitmap = wxNullBitmap; |
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if( wxTheClipboard->IsSupported( wxDF_BITMAP ) ) { |
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my $data = Wx::BitmapDataObject->new; |
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my $ok = wxTheClipboard->GetData( $data ); |
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if( $ok ) { |
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Wx::LogMessage( "Pasted bitmap data" ); |
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$bitmap = $data->GetBitmap; |
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} else { |
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Wx::LogMessage( "Error pasting bitmap data" ); |
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$bitmap = wxNullBitmap; |
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} |
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} |
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$this->image->SetBitmap( $bitmap ); |
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# testing the perl data object |
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my $data = get_perl_data_object(); |
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Wx::LogMessage( "Testing if clipboard supports: " . $data->GetFormat->GetId() ); |
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if( wxTheClipboard->IsSupported( $data->GetFormat ) ) { |
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Wx::LogMessage( "It does: get data from clipboard" ); |
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my $ok = wxTheClipboard->GetData( $data ); |
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if( $ok ) { |
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Wx::LogMessage( "Pasted perl data object" ); |
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my $PerlData = $data->GetPerlData(); |
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foreach (keys %$PerlData) { |
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$text .= "$_ = $PerlData->{$_} "; |
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} |
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} else { |
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Wx::LogMessage( "Error pasting perl data object" ); |
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$text = ''; |
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} |
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$this->text->SetLabel( $text ); |
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} |
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wxTheClipboard->Close; |
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} |
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sub add_to_tags { qw(dnd) } |
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sub title { 'wxClipboard' } |
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1; |