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############################################################################# |
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## Name: lib/Wx/DemoModules/wxScrolledWindow.pm |
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## Purpose: wxPerl demo helper for Wx::ScrolledWindow |
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## Author: Mattia Barbon |
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## Modified by: |
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## Created: 18/05/2003 |
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## RCS-ID: $Id: wxScrolledWindow.pm 2189 2007-08-21 18:15:31Z mbarbon $ |
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## Copyright: (c) 2003, 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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package Wx::DemoModules::wxScrolledWindow; |
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use strict; |
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use base qw(Wx::ScrolledWindow); |
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use Wx qw(:sizer wxWHITE wxHORIZONTAL wxVERTICAL); |
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sub SIZE() { 1000 } |
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sub log_scroll_event { |
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my( $event, $type ) = @_; |
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Wx::LogMessage( 'Scroll %s event: orientation = %s, position = %d', $type, |
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( ( $event->GetOrientation == wxHORIZONTAL ) ? 'horizontal' : 'vertical' ), |
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$event->GetPosition ); |
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# important! skip event for default processing to happen |
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$event->Skip; |
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} |
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use Wx::Event qw(/EVT_SCROLLWIN_*/); |
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sub new { |
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my $class = shift; |
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my $parent = shift; |
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my $this = $class->SUPER::new( $parent, -1 ); |
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# set the total area the scrolled window will show: note that at any |
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# given time the window will only show a part of it |
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$this->SetVirtualSize( SIZE, SIZE ); |
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# set the numer of pixels the window will scroll at a time |
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$this->SetScrollRate( 1, 1 ); |
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$this->SetBackgroundColour( wxWHITE ); |
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EVT_SCROLLWIN_TOP( $this, |
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sub { log_scroll_event( $_[1], 'to top' ) } ); |
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EVT_SCROLLWIN_BOTTOM( $this, |
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sub { log_scroll_event( $_[1], 'to bottom' ) } ); |
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EVT_SCROLLWIN_LINEUP( $this, |
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sub { log_scroll_event( $_[1], 'a line up' ) } ); |
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EVT_SCROLLWIN_LINEDOWN( $this, |
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sub { log_scroll_event( $_[1], 'a line down' ) } ); |
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EVT_SCROLLWIN_PAGEUP( $this, |
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sub { log_scroll_event( $_[1], 'a page up' ) } ); |
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EVT_SCROLLWIN_PAGEDOWN( $this, |
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sub { log_scroll_event( $_[1], 'a page down' ) } ); |
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# EVT_SCROLLWIN_THUMBTRACK( $this, |
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# sub { log_scroll_event( $_[1], 'thumbtrack' ) } ); |
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EVT_SCROLLWIN_THUMBRELEASE( $this, |
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sub { log_scroll_event( $_[1], 'thumbrelease' ) } ); |
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return $this; |
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} |
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# this is the easiest way to use a scrolled window; it is passed a |
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# pre-scrolled Wx::DC. Alternatively derived classes may catch |
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# paint events and call ->PrepareDC to pre-scroll the DC |
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use Wx qw(wxSOLID wxTRANSPARENT_PEN wxBLACK_PEN); |
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sub OnDraw { |
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my( $this, $dc ) = @_; |
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$dc->SetPen( wxBLACK_PEN ); |
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for ( 0 .. 10 ) { |
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$dc->DrawLine( 0, $_ * 100, SIZE, $_ * 100 ); |
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$dc->DrawLine( $_ * 100, 0, $_ * 100, SIZE ); |
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} |
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$dc->SetPen( wxTRANSPARENT_PEN ); |
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for my $x ( 0 .. 9 ) { |
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for my $y ( 0 .. 9 ) { |
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my $c = 255 - ( $x + $y ) * 255 / 18; |
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$dc->SetBrush( Wx::Brush->new( Wx::Colour->new( $c, $c, $c ), |
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wxSOLID ) ); |
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$dc->DrawRectangle( $x * 100 + 1, $y * 100 + 1, |
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99, 99 ); |
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} |
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} |
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} |
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sub add_to_tags { qw(windows) } |
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sub title { 'wxScrolledWindow' } |
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1; |