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
|
package GameBoard;
use QtCore4;
use QtGui4;
use QtCore4::isa qw(Qt::Widget);
use QtCore4::slots fire => [],
hit => [],
missed => [],
newGame => [];
use CannonField;
use LCDRange;
my @widgets;
sub NEW {
shift->SUPER::NEW(@_);
my $quit = Qt::PushButton("&Quit");
$quit->setFont(Qt::Font("Times", 18, Qt::Font::Bold()));
this->connect($quit, SIGNAL "clicked()", qApp, SLOT "quit()");
my $angle = LCDRange(undef, "ANGLE");
$angle->setRange(5, 70);
my $force = LCDRange(undef, "FORCE");
$force->setRange(10, 50);
my $cannonField = CannonField();
this->connect($angle, SIGNAL 'valueChanged(int)',
$cannonField, SLOT 'setAngle(int)');
this->connect($cannonField, SIGNAL 'angleChanged(int)',
$angle, SLOT 'setValue(int)');
this->connect($force, SIGNAL 'valueChanged(int)',
$cannonField, SLOT 'setForce(int)');
this->connect($cannonField, SIGNAL 'forceChanged(int)',
$force, SLOT 'setValue(int)');
this->connect($cannonField, SIGNAL 'hit()',
this, SLOT 'hit()');
this->connect($cannonField, SIGNAL 'missed()',
this, SLOT 'missed()');
my $shoot = Qt::PushButton("&Shoot");
$shoot->setFont(Qt::Font("Times", 18, Qt::Font::Bold()));
this->connect($shoot, SIGNAL 'clicked()',
this, SLOT 'fire()');
this->connect($cannonField, SIGNAL 'canShoot(bool)',
$shoot, SLOT 'setEnabled(bool)');
my $restart = Qt::PushButton("&New Game");
$restart->setFont(Qt::Font("Times", 18, Qt::Font::Bold()));
this->connect($restart, SIGNAL 'clicked()', this, SLOT 'newGame()');
my $hits = Qt::LCDNumber(2);
$hits->setSegmentStyle(Qt::LCDNumber::Filled());
my $shotsLeft = Qt::LCDNumber(2);
$shotsLeft->setSegmentStyle(Qt::LCDNumber::Filled());
my $hitsLabel = Qt::Label("HITS");
my $shotsLeftLabel = Qt::Label("SHOTS LEFT");
my $topLayout = Qt::HBoxLayout();
$topLayout->addWidget($shoot);
$topLayout->addWidget($hits);
$topLayout->addWidget($hitsLabel);
$topLayout->addWidget($shotsLeft);
$topLayout->addWidget($shotsLeftLabel);
$topLayout->addStretch(1);
$topLayout->addWidget($restart);
my $leftLayout = Qt::VBoxLayout();
$leftLayout->addWidget($angle);
$leftLayout->addWidget($force);
my $gridLayout = Qt::GridLayout();
$gridLayout->addWidget($quit, 0, 0);
$gridLayout->addLayout($topLayout, 0, 1);
$gridLayout->addLayout($leftLayout, 1, 0);
$gridLayout->addWidget($cannonField, 1, 1, 2, 1);
$gridLayout->setColumnStretch(1, 10);
this->setLayout($gridLayout);
$angle->setValue(60);
$force->setValue(25);
$angle->setFocus();
this->{angle} = $angle;
this->{force} = $force;
this->{cannonField} = $cannonField;
this->{shoot} = $shoot;
this->{restart} = $restart;
this->{hits} = $hits;
this->{shotsLeft} = $shotsLeft;
push @widgets, $cannonField;
newGame();
}
sub fire {
return if(this->{cannonField}->{gameOver} || this->{cannonField}->isShooting());
this->{shotsLeft}->display(this->{shotsLeft}->intValue() - 1);
this->{cannonField}->shoot();
}
sub hit {
this->{hits}->display(this->{hits}->intValue() + 1);
if (this->{shotsLeft}->intValue() == 0) {
this->{cannonField}->setGameOver();
}
else {
this->{cannonField}->newTarget();
emit this->{cannonField}->canShoot( 1 );
}
}
sub missed {
if (this->{shotsLeft}->intValue() == 0) {
this->{cannonField}->setGameOver();
}
}
sub newGame {
this->{shotsLeft}->display(15);
this->{hits}->display(0);
this->{cannonField}->restartGame();
this->{cannonField}->newTarget();
}
1;
|
