1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
#
# DialogBox is similar to Dialog except that it allows any widget
# in the top frame. Widgets can be added with the add method. Currently
# there exists no way of deleting a widget once it has been added.
package Tk::DialogBox;
use strict;
use Carp;
use vars qw($VERSION);
$VERSION = sprintf '4.%03d', q$Revision: #13 $ =~ /\D(\d+)\s*$/;
use base qw(Tk::Toplevel);
Tk::Widget->Construct('DialogBox');
sub Populate {
my ($cw, $args) = @_;
$cw->SUPER::Populate($args);
my $buttons = delete $args->{'-buttons'};
$buttons = ['OK'] unless defined $buttons;
my $default_button = delete $args->{'-default_button'};
$default_button = $buttons->[0] unless defined $default_button;
$cw->{'selected_button'} = '';
$cw->transient($cw->Parent->toplevel);
$cw->withdraw;
if (@$buttons == 1) {
$cw->protocol('WM_DELETE_WINDOW' => sub { $cw->{'default_button'}->invoke });
} else {
$cw->protocol('WM_DELETE_WINDOW' => sub {});
}
# create the two frames
my $top = $cw->Component('Frame', 'top');
$top->configure(-relief => 'raised', -bd => 1) unless $Tk::platform eq 'MSWin32';
my $bot = $cw->Component('Frame', 'bottom');
$bot->configure(-relief => 'raised', -bd => 1) unless $Tk::platform eq 'MSWin32';
$bot->pack(qw/-side bottom -fill both -ipady 3 -ipadx 3/);
$top->pack(qw/-side top -fill both -ipady 3 -ipadx 3 -expand 1/);
# create a row of buttons in the bottom.
my $bl; # foreach my $var: perl > 5.003_08
foreach $bl (@$buttons)
{
my $b = $bot->Button(-text => $bl, -command => sub { $cw->{'selected_button'} = "$bl" } );
$b->bind('<Return>' => [ $b, 'Invoke']);
$cw->Advertise("B_$bl" => $b);
if ($Tk::platform eq 'MSWin32')
{
$b->configure(-width => 10, -pady => 0);
}
if ($bl eq $default_button) {
if ($Tk::platform eq 'MSWin32') {
$b->pack(-side => 'left', -expand => 1, -padx => 1, -pady => 1);
} else {
my $db = $bot->Frame(-relief => 'sunken', -bd => 1);
$b->raise($db);
$b->pack(-in => $db, -padx => '2', -pady => '2');
$db->pack(-side => 'left', -expand => 1, -padx => 1, -pady => 1);
}
$cw->{'default_button'} = $b;
$cw->bind('<Return>' => [ $b, 'Invoke']);
} else {
$b->pack(-side => 'left', -expand => 1, -padx => 1, -pady => 1);
}
}
$cw->ConfigSpecs(-command => ['CALLBACK', undef, undef, undef ],
-foreground => ['DESCENDANTS', 'foreground','Foreground', 'black'],
-background => ['DESCENDANTS', 'background','Background', undef],
-focus => ['PASSIVE', undef, undef, undef],
-showcommand => ['CALLBACK', undef, undef, undef],
);
$cw->Delegates('Construct',$top);
}
sub add {
my ($cw, $wnam, @args) = @_;
my $w = $cw->Subwidget('top')->$wnam(@args);
$cw->Advertise("\L$wnam" => $w);
return $w;
}
sub Wait
{
my $cw = shift;
$cw->Callback(-showcommand => $cw);
$cw->waitVariable(\$cw->{'selected_button'});
$cw->grabRelease;
$cw->withdraw;
$cw->Callback(-command => $cw->{'selected_button'});
}
sub Show {
croak 'DialogBox: "Show" method requires at least 1 argument'
if scalar @_ < 1;
my $cw = shift;
my ($grab) = @_;
my $old_focus = $cw->focusSave;
my $old_grab = $cw->grabSave;
shift if defined $grab && length $grab && ($grab =~ /global/);
$cw->Popup(@_);
Tk::catch {
if (defined $grab && length $grab && ($grab =~ /global/)) {
$cw->grabGlobal;
} else {
$cw->grab;
}
};
if (my $focusw = $cw->cget(-focus)) {
$focusw->focus;
} elsif (defined $cw->{'default_button'}) {
$cw->{'default_button'}->focus;
} else {
$cw->focus;
}
$cw->Wait;
&$old_focus;
&$old_grab;
return $cw->{'selected_button'};
}
sub Exit
{
my $cw = shift;
#kill the dialogbox, by faking a 'DONE'
$cw->{'selected_button'} = $cw->{'default_button'}->cget(-text);
}
1;
|
