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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
#!/usr/bin/perl
# tkvnc - provide a floating button pallette for AT&T's VNC client for Linux
# Copyright (C) 1999 Marc A. Richter (marc@vitinc.com)
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
# USA.
use Tk;
use Env qw(HOME); #import user's home directory
# here comes Ian's (ian@iantheterrible.com) error checking
# OPEN method...thanks bud!
open (HOSTS, "$HOME/.vnchosts") or die ("Couldn't open $HOME/.vnchosts file:
$!\nCheck the README file on how to create one!\n");
@machine_list = <HOSTS>;
close (HOSTS);
foreach $key (@machine_list){
chomp($key); #kill the newlines...they screw up the connect
}
%machines = @machine_list; # build the hash...alias (key) is for the buttons
# address (value) is for the connection
# some subroutines, including the egomaniac About box...
sub about_box {
$mw->Dialog(-text =>"tkvnc is released\nunder the GPL\nCopyright 1999\nby Marc Richter\nmarc\@vitinc.com\nversion 0.6", -title =>'About tkvnc',
-default_button=>'OK', -buttons =>[qw/OK/])->Show;
}
# refresh host database after each additional machine is added or killed
sub update_host_file {
open (HOSTS, ">$HOME/.vnchosts") or die ("Couldn't open $HOME/.vnchosts file:$!\nNew host will not be saved.\n");
@machine_list = %machines;
foreach $key (@machine_list) {
print HOSTS $key."\n";
}
close (HOSTS);
}
# refresh_buttons kills and redraws the main window after adding or deleting
# a host
sub refresh_buttons {
$mw -> withdraw;
$mw = MainWindow->new;
$mw->title("tkvnc 0.6");
$mbar = $mw->Frame(-width=>200, height =>25, -relief=>'ridge',
-borderwidth=>2)->pack(
-fill=>'x',
-side=>'top');
$mw->Label(-text=>"Select machine to control:")->pack(-side=>'top', -expand=>0, fill=>'none');
$buttonframe = $mw->Frame->pack(-fill=>'both', -side=>'bottom');
$bt = $buttonframe->Scrolled("Text", width =>23, -scrollbars =>'oe') ->pack(-expand=>1, fill=>'both');
$bt ->configure(-state =>'disabled'); # no typing allowed!
$mbar->Menubutton(-text => "File",
-menuitems => [[ 'command' => "Add host...",
-command => \&add_host],
[ 'command' => "Delete host...",
-command => \&kill_host],
[ 'command' => "Exit",
-command =>sub{exit}]])->pack(
-side => 'left',
-anchor => 'w'
);
$mbar->Menubutton(-text => "Help",
-menuitems => [ [ 'command' => "About tkvnc...",
-command => \&about_box]])->pack(
-side =>'left',
-anchor => 'w'
);
foreach $key (sort keys (%machines)){
$buttitem = $bt->Button(-text=>"$key", -width =>20, height =>1,-command=>[\&do_launch, $machines{$key}]);
$bt->windowCreate('end', -window => $buttitem);
$bt->insert('end',"\n");
}
}
# do_launch actually starts the vnc client. It needs to be named
# xvncviewer on your machine. Feel free to hack my code if your
# viewer is named differently
sub do_launch {
my ($hook_to) = @_;
print $hook_to;
system "xvncviewer -passwd $HOME/.vnc/passwd $hook_to:0 &";
}
# add_host: pop up a dialog with 2 entry fields, one for button label and one
# for the host name or IP
sub add_host {
$addbox = $mw ->Toplevel();
$addbox->title("Add Host");
$addbox->Button(-text => "OK",
-command => [sub { $addbox->withdraw;
$machines{$hostname}=$hostadd;
$buttitem =$bt->Button(-text=>"$hostname", -width =>20, -height =>1, -command=>[\&do_launch, $machines{$hostname}]);
$bt->windowCreate('end', -window=>$buttitem);
$bt->insert('end',"\n");
update_host_file;
$hostname="";
$hostadd="";
}])->pack(
-side =>'bottom');
$addbox->Label(-text=>"Host name (for button)")->pack(
-side =>'top');
$addbox->Entry(-textvariable=> \$hostname)->pack(
-side =>'top');
$addbox->Label(-text=>"Host name or IP")->pack(
-side =>'top');
$addbox->Entry(-textvariable=> \$hostadd)->pack(
-side =>'top');
}
# now we use this one to get rid of pesky host machines that we no longer want
# or need
sub kill_host {
$killbox = $mw->Toplevel();
$killbox->title("Delete Host");
$killbox->Button(-text=>"Delete",
-command=>[ sub { $killbox ->withdraw;
if ($machines{$hostname}) {
delete $machines{$hostname};
update_host_file;
refresh_buttons;
}
$hostname="";
}])->pack(
-side=>'bottom');
$killbox->Label(-text=>"Host name to delete")->pack(
-side=>'top');
$killbox->Entry(-textvariable=> \$hostname)->pack(
-side=>'top');
}
# Here be the GUI stuff...the stuff not shoved in subroutines, anyway.
$mw = MainWindow->new;
refresh_buttons;
MainLoop;
|
