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############################################################################# |
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## Name: lib/Wx/DemoModules/wxDND.pm |
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## Purpose: wxPerl demo helper for Drag and Drop |
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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: wxDND.pm 2189 2007-08-21 18:15:31Z mbarbon $ |
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## Copyright: (c) 2001, 2004, 2006 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::wxDND; |
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use strict; |
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use base qw(Wx::Panel); |
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use Wx qw(wxNullBitmap wxTheApp wxICON_HAND wxRED); |
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my $tree; |
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sub new { |
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my $class = shift; |
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my $this = $class->SUPER::new( @_ ); |
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# text drop target |
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Wx::StaticText->new( $this, -1, 'Drop text in listbox', [ 10, 10 ] ); |
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my $droptext = Wx::ListBox->new( $this, -1, [ 10 , 40 ], [ 150, 90 ] ); |
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$droptext->SetDropTarget |
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( Wx::DemoModules::wxDND::TextDropTarget->new( $droptext ) ); |
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# bitmap drop target |
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Wx::StaticText->new( $this, -1, 'Drop bitmap below', [ 180, 10 ] ); |
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my $window = Wx::Panel->new( $this, -1, [ 180, 40 ], [ 80, 50 ] ); |
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$window->SetBackgroundColour( wxRED ); |
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my $dropbitmap = Wx::StaticBitmap->new( $this, -1, wxNullBitmap, |
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[ 180, 100 ], [ 200, 200 ] ); |
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$window->SetDropTarget |
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( Wx::DemoModules::wxDND::BitmapDropTarget->new( $dropbitmap ) ); |
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$dropbitmap->SetBitmap( Wx::Bitmap->new( wxTheApp->GetStdIcon( wxICON_HAND ) ) ); |
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# files drop target |
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Wx::StaticText->new( $this, -1, 'Drop files below', [ 10, 140 ] ); |
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my $dropfiles = Wx::ListBox->new( $this, -1, [ 10, 170 ], [ 150, 50 ] ); |
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$dropfiles->SetDropTarget |
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( Wx::DemoModules::wxDND::FilesDropTarget->new( $dropfiles ) ); |
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# drop source |
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my $dragsource = |
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Wx::DemoModules::wxDND::DropSource->new( $this, -1, [ 10, 230 ] ); |
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# tree control; you can drop on items |
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Wx::StaticText->new( $this, -1, 'Drop bitmap in tree below', [ 300, 10 ] ); |
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$tree = Wx::TreeCtrl->new( $this, -1, [ 300, 40 ], [ 100, 90 ] ); |
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my $root = $tree->AddRoot( "Drop here" ); |
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$tree->AppendItem( $root, "and here" ); |
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$tree->AppendItem( $root, "and here" ); |
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$tree->AppendItem( $root, "and here" ); |
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$tree->Expand( $root ); |
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$tree->SetDropTarget |
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( Wx::DemoModules::wxDND::TreeDropTarget->new( $tree, $dropbitmap ) ); |
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# native perl data drop target |
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Wx::StaticText->new( $this, -1, 'Drop data below', [ 300, 140 ] ); |
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my $dropdata = Wx::TextCtrl->new( $this, -1, '', [ 300, 170 ], [ 100, 50 ] ); |
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$dropdata->SetDropTarget |
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( Wx::DemoModules::wxDND::DataDropTarget->new( $dropdata ) ); |
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# drop data source |
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my $dragdatasource = |
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Wx::DemoModules::wxDND::DropDataSource->new( $this, -1, [ 300, 230 ] ); |
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return $this; |
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} |
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sub add_to_tags { qw(dnd) } |
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sub title { 'Drag and drop' } |
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package Wx::DemoModules::wxDND::TreeDropTarget; |
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use strict; |
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use base qw(Wx::DropTarget); |
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sub new { |
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my $class = shift; |
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my $tree = shift; |
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my $canvas = shift; |
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my $this = $class->SUPER::new; |
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my $data = Wx::BitmapDataObject->new; |
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$this->SetDataObject( $data ); |
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$this->{TREE} = $tree; |
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$this->{DATA} = $data; |
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$this->{CANVAS} = $canvas; |
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return $this; |
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} |
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sub data { $_[0]->{DATA} } |
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sub canvas { $_[0]->{CANVAS} } |
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use Wx qw(:treectrl wxDragNone wxDragCopy); |
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# give visual feedback: select the item we're on |
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# ( probably better forms of feedback are possible ) |
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# also return the desired action to make the OS display an appropriate |
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# "can drop here" icon |
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sub OnDragOver { |
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my( $this, $x, $y, $desired ) = @_; |
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my $tree = $this->{TREE}; |
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my( $item, $flags ) = $tree->HitTest( [$x, $y] ); |
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if( $flags & wxTREE_HITTEST_ONITEMLABEL ) { |
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$tree->SelectItem( $item ); |
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return $desired; |
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} else { |
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$tree->Unselect(); |
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return wxDragNone; |
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} |
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} |
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sub OnData { |
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my( $this, $x, $y, $def ) = @_; |
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$this->GetData; |
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$this->canvas->SetBitmap( $this->data->GetBitmap ); |
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return $def; |
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} |
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package Wx::DemoModules::wxDND::DropSource; |
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use strict; |
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use base qw(Wx::Window); |
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138
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use Wx::Event qw(EVT_LEFT_DOWN EVT_PAINT); |
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use Wx::DemoModules::lib::DataObjects; |
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sub new { |
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my $class = shift; |
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my $this = $class->SUPER::new( @_[0,1,2], [200,50] ); |
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EVT_PAINT( $this, \&OnPaint ); |
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EVT_LEFT_DOWN( $this, \&OnDrag ); |
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return $this; |
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} |
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sub OnPaint { |
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my( $this, $event ) = @_; |
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my $dc = Wx::PaintDC->new( $this ); |
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$dc->DrawText( "Drag text/bitmap from here", 2, 2 ); |
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} |
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sub OnDrag { |
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my( $this, $event ) = @_; |
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my $data = get_text_bitmap_data_object(); |
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my $source = Wx::DropSource->new( $this ); |
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$source->SetData( $data ); |
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Wx::LogMessage( "Status: %d", $source->DoDragDrop( 1 ) ); |
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} |
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package Wx::DemoModules::wxDND::TextDropTarget; |
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170
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use strict; |
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use base qw(Wx::TextDropTarget); |
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sub new { |
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my $class = shift; |
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my $listbox = shift; |
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my $this = $class->SUPER::new( @_ ); |
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$this->{LISTBOX} = $listbox; |
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180
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return $this; |
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} |
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183
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sub OnDropText { |
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my( $this, $x, $y, $data ) = @_; |
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$data =~ s/[\r\n]+$//; |
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Wx::LogMessage( "Dropped text: '$data'" ); |
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$this->{LISTBOX}->InsertItems( [ $data ], 0 ); |
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return 1; |
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} |
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193
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package Wx::DemoModules::wxDND::FilesDropTarget; |
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195
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use strict; |
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use base qw(Wx::FileDropTarget); |
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198
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sub new { |
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my $class = shift; |
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my $listbox = shift; |
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my $this = $class->SUPER::new( @_ ); |
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203
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$this->{LISTBOX} = $listbox; |
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205
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return $this; |
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} |
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208
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sub OnDropFiles { |
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my( $this, $x, $y, $files ) = @_; |
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211
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$this->{LISTBOX}->Clear; |
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Wx::LogMessage( "Dropped files at ($x, $y)" ); |
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foreach my $i ( @$files ) { |
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$this->{LISTBOX}->Append( $i ); |
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} |
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217
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return 1; |
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} |
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220
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package Wx::DemoModules::wxDND::BitmapDropTarget; |
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222
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use strict; |
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use base qw(Wx::DropTarget); |
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225
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sub new { |
226
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my $class = shift; |
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my $this = $class->SUPER::new; |
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229
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my $data = Wx::BitmapDataObject->new; |
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$this->SetDataObject( $data ); |
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$this->{DATA} = $data; |
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$this->{CANVAS} = $_[0]; |
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return $this; |
235
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} |
236
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237
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sub data { $_[0]->{DATA} } |
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sub canvas { $_[0]->{CANVAS} } |
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240
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sub OnData { |
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my( $this, $x, $y, $def ) = @_; |
242
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243
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$this->GetData; |
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$this->canvas->SetBitmap( $this->data->GetBitmap ); |
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246
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return $def; |
247
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} |
248
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249
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package Wx::DemoModules::wxDND::DropDataSource; |
250
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251
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use strict; |
252
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use base qw(Wx::Window); |
253
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254
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use Wx::Event qw(EVT_LEFT_DOWN EVT_PAINT); |
255
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256
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use Wx::DemoModules::lib::DataObjects; |
257
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258
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sub new { |
259
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my $class = shift; |
260
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my $this = $class->SUPER::new( @_[0,1,2], [200,50] ); |
261
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262
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EVT_PAINT( $this, \&OnPaint ); |
263
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EVT_LEFT_DOWN( $this, \&OnDrag ); |
264
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265
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return $this; |
266
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} |
267
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268
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sub OnPaint { |
269
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my( $this, $event ) = @_; |
270
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my $dc = Wx::PaintDC->new( $this ); |
271
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$dc->DrawText( "Drag perl data from here", 2, 2 ); |
272
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} |
273
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274
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sub OnDrag { |
275
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my( $this, $event ) = @_; |
276
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277
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|
my $PerlData = { fruit => 'lemon', colour => 'yellow' }; |
278
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|
my $data = get_perl_data_object( $PerlData ); |
279
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|
my $source = Wx::DropSource->new( $this ); |
280
|
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|
$source->SetData( $data ); |
281
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|
Wx::LogMessage( "OnDrag Status: %d", $source->DoDragDrop( 1 ) ); |
282
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|
} |
283
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284
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|
package Wx::DemoModules::wxDND::DataDropTarget; |
285
|
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286
|
|
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|
|
use strict; |
287
|
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|
|
use base qw(Wx::DropTarget); |
288
|
|
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|
|
|
|
use Wx::DemoModules::lib::DataObjects; |
289
|
|
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|
290
|
|
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|
|
|
|
sub new { |
291
|
|
|
|
|
|
|
my $class = shift; |
292
|
|
|
|
|
|
|
my $this = $class->SUPER::new; |
293
|
|
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|
|
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|
|
294
|
|
|
|
|
|
|
my $data = get_perl_data_object(); |
295
|
|
|
|
|
|
|
$this->SetDataObject( $data ); |
296
|
|
|
|
|
|
|
$this->{DATA} = $data; |
297
|
|
|
|
|
|
|
$this->{TEXTCTRL} = $_[0]; |
298
|
|
|
|
|
|
|
|
299
|
|
|
|
|
|
|
return $this; |
300
|
|
|
|
|
|
|
} |
301
|
|
|
|
|
|
|
|
302
|
|
|
|
|
|
|
sub data { $_[0]->{DATA} } |
303
|
|
|
|
|
|
|
sub textctrl { $_[0]->{TEXTCTRL} } |
304
|
|
|
|
|
|
|
|
305
|
|
|
|
|
|
|
sub OnData { |
306
|
|
|
|
|
|
|
my( $this, $x, $y, $def ) = @_; |
307
|
|
|
|
|
|
|
|
308
|
|
|
|
|
|
|
Wx::LogMessage( "Dropped perl data at ($x, $y)" ); |
309
|
|
|
|
|
|
|
$this->GetData; |
310
|
|
|
|
|
|
|
my $PerlData = $this->data->GetPerlData; |
311
|
|
|
|
|
|
|
my $text = ''; |
312
|
|
|
|
|
|
|
foreach (keys %$PerlData) { |
313
|
|
|
|
|
|
|
$text .= "$_ = $PerlData->{$_} "; |
314
|
|
|
|
|
|
|
} |
315
|
|
|
|
|
|
|
Wx::LogMessage( "( $text )" ); |
316
|
|
|
|
|
|
|
|
317
|
|
|
|
|
|
|
$this->textctrl->SetValue( $text ); |
318
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
return $def; |
320
|
|
|
|
|
|
|
} |
321
|
|
|
|
|
|
|
|
322
|
|
|
|
|
|
|
1; |