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#!/usr/bin/perl
# $Id$
# This simple demo has been developped by C. Schlienger <celine@intuilab.com>
package simple_interaction_track; # for avoiding symbol collision between different demos
use vars qw( $VERSION );
($VERSION) = sprintf("%d.%02d", q$Revision$ =~ /(\d+)\.(\d+)/);
use Tk;
use Tk::Zinc;
use strict;
my $mw = MainWindow->new();
###########################################
# Zinc
###########################################
my $zinc_width=600;
my $zinc_height=500;
my $zinc = $mw->Zinc(-width => $zinc_width, -height => $zinc_height,
-font => "10x20",
-borderwidth => 3, -relief => 'sunken',
)->pack;
# The explanation displayed when running this demo
$zinc->add('text', 1,
-position=> [10,10],
-text => 'This toy-appli shows some interactions on different parts
of a flight track item. The following operations are possible:
- Drag Button 1 on the track to move it.
Please Note the position history (past positions)
- Enter/Leave flight label fields
- Enter/Leave the speedvector, symbol (i.e. current position),
label, or leader',
-font => "9x15",
);
###########################################
# Track
###########################################
#the label format (6 formats for 6 fields)#
my $labelformat = "x80x60+0+0 x60a0^0^0 x30a0^0>1 a0a0>2>1 x30a0>3>1 a0a0^0>2";
#the track#
my $x=250;
my $y=200;
my $track=$zinc->add('track', 1, 6, # 6 is the number of field in the flightlabel
-labelformat => $labelformat,
-position => [$x, $y],#position of the marker
-speedvector => [30, -15],#ccords of the speed vector
-markersize => 10,
);
# moving the track, to display past positions
foreach my $i (0..5) { $zinc->coords($track,[$x+$i*10,$y-$i*5]); }
#fields of the label#
$zinc->itemconfigure($track, 0,#configuration of field 0 of the label
-filled => 0,
-bordercolor => 'DarkGreen',
-border => "contour",
);
$zinc->itemconfigure($track, 1,
-filled => 1,
-backcolor => 'gray60',
-text => "AFR6128");
$zinc->itemconfigure($track, 2,
-filled => 0,
-backcolor => 'gray65',
-text => "390");
$zinc->itemconfigure($track, 3,
-filled => 0,
-backcolor => 'gray65',
-text => "/");
$zinc->itemconfigure($track, 4,
-filled => 0,
-backcolor => 'gray65',
-text => "350");
$zinc->itemconfigure($track, 5,
-filled => 0,
-backcolor => 'gray65',
-text => "TUR");
###########################################
# Events on the track
###########################################
#---------------------------------------------
# Enter/Leave a field of the label of the track
#---------------------------------------------
foreach my $field (0..5) {
#Entering the field $field higlights it#
$zinc->bind("$track:$field",
'<Enter>',
sub {
if ($field==0){
higlight_label_on();
# print "CP=", $zinc->currentpart, "\n";
}
else{
highlight_fields_on($field);
# print "CP=", $zinc->currentpart, "\n";
}
});
#Leaving the field cancels the highlight of $field#
$zinc->bind("$track:$field",
'<Leave>',
sub {
if($field==0){
higlight_label_off();
}
else{
if ($field==1){
highlight_field1_off();
}
else{
highlight_other_fields_off($field);
}
}
});
}
#fonction#
sub higlight_label_on{
$zinc->itemconfigure('current', 0,
-filled => 0,
-bordercolor => 'red',
-border => "contour",
);
}
sub higlight_label_off{
$zinc->itemconfigure('current', 0,
-filled => 0,
-bordercolor => 'DarkGreen',
-border => "contour",
);
}
sub highlight_fields_on{
my $field=$_[0];
$zinc->itemconfigure('current', $field,
-border => 'contour',
-filled => 1,
-color => 'white'
);
}
sub highlight_field1_off{
$zinc->itemconfigure('current', 1,
-border => '',
-filled => 1,
-color => 'black',
-backcolor => 'gray60'
);
}
sub highlight_other_fields_off{
my $field=$_[0];
$zinc->itemconfigure('current', $field,
-border => '',
-filled => 0,
-color => 'black',
-backcolor => 'gray65'
);
}
#---------------------------------------------
# Enter/Leave other parts of the track
#---------------------------------------------
$zinc->bind("$track:position",
'<Enter>',
sub { $zinc->itemconfigure($track,
-symbolcolor=>"red",
);
# print "CP=", $zinc->currentpart, "\n";
});
$zinc->bind("$track:position",
'<Leave>',
sub { $zinc->itemconfigure($track,
-symbolcolor=>"black",
);
});
$zinc->bind("$track:speedvector",
'<Enter>',
sub { $zinc->itemconfigure($track,
-speedvectorcolor=>"red",
);
});
$zinc->bind("$track:speedvector", '<Leave>',
sub { $zinc->itemconfigure($track,
-speedvectorcolor=>"black",
);
});
$zinc->bind("$track:leader", '<Enter>',
sub { $zinc->itemconfigure($track,
-leadercolor=>"red",
);
});
$zinc->bind("$track:leader", '<Leave>',
sub { $zinc->itemconfigure($track,
-leadercolor=>"black",
);
});
#---------------------------------------------
# Drag and drop the track
#---------------------------------------------
#Binding to ButtonPress event -> "move_on" state#
$zinc -> bind($track,'<ButtonPress-1>'=>[ sub { &select_color_on(); #change the color
&move_on($_[1],$_[2]); #"move_on" state
}, Tk::Ev('x'),Tk::Ev('y') ]);
#Binding to ButtonRelease event -> "move_off" state#
$zinc -> bind($track,'<ButtonRelease-1>'=>sub{&select_color_off(); #change the color
&move_off();}); #"move_off" state
#"move_on" state#
sub move_on{
my ($xi,$yi)=@_;
#Binding to Motion event -> move the track#
$zinc -> bind($track,'<Motion>'=>
[sub{move($xi,$yi,$_[1],$_[2]); #move the track
$xi=$_[1];
$yi=$_[2];
},Tk::Ev('x'),Tk::Ev('y')]);
}
#"move_off" state#
sub move_off{
#Motion event not allowed on track
$zinc -> bind($track,'<Motion>'=>"");
}
#move the track#
sub move{
my ($xi,$yi,$x,$y)=@_;
select_color_on();
my @coords=$zinc->coords($track);
$zinc->coords($track,[$coords[0]+$x-$xi,$coords[1]+$y-$yi]);
}
sub select_color_on{
$zinc->itemconfigure($track,
-speedvectorcolor=>"white",
-markercolor=>"white",
-leadercolor=>"white" );
}
sub select_color_off{
$zinc->itemconfigure($track,
-speedvectorcolor=>"black",
-markercolor=>"black",
-leadercolor=>"black" );
}
Tk::MainLoop;
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