source: trunk/examples/life/lifedlg.cpp@ 20

Last change on this file since 20 was 2, checked in by dmik, 20 years ago

Imported xplatform parts of the official release 3.3.1 from Trolltech
  • Property svn:keywords set to Id
File size: 5.0 KB
Line 
1/****************************************************************************
2** $Id: lifedlg.cpp 2 2005-11-16 15:49:26Z dmik $
3**
4** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
5**
6** This file is part of an example program for Qt. This example
7** program may be used, distributed and modified without limitation.
8**
9*****************************************************************************/
10
11#include "lifedlg.h"
12#include <qapplication.h>
13#include <qpushbutton.h>
14#include <qlabel.h>
15#include <qslider.h>
16#include <qcombobox.h>
17#include <qdatetime.h>
18#include <stdlib.h>
19
20#include "patterns.cpp"
21
22
23// A simple timer which has a pause and a setSpeed slot
24
25LifeTimer::LifeTimer( QWidget *parent ) : QTimer( parent ), interval( 500 )
26{
27 start( interval );
28}
29
30
31void LifeTimer::pause( bool stopIt )
32{
33 if ( stopIt )
34 stop();
35 else
36 start( interval );
37}
38
39
40void LifeTimer::setSpeed( int speed )
41{
42 interval = MAXSPEED - speed;
43 if ( isActive() )
44 changeInterval( interval );
45}
46
47
48// A top-level container widget to organize the others
49
50LifeDialog::LifeDialog( int scale, QWidget * parent, const char * name )
51 : QWidget( parent, name )
52{
53 qb = new QPushButton( "Quit!", this );
54 cb = new QComboBox( this, "comboBox" );
55 life = new LifeWidget(scale, this);
56 life->move( SIDEBORDER, TOPBORDER );
57
58
59 connect( qb, SIGNAL(clicked()), qApp, SLOT(quit()) );
60 qb->setGeometry( SIDEBORDER, SIDEBORDER, qb->sizeHint().width(), 25 );
61 timer = new LifeTimer( this );
62
63 connect( timer, SIGNAL(timeout()), life, SLOT(nextGeneration()) );
64 pb = new QPushButton( "Pause", this );
65 pb->setToggleButton( TRUE );
66 connect( pb, SIGNAL(toggled(bool)), timer, SLOT(pause(bool)) );
67 pb->resize( pb->sizeHint().width(), 25 );
68 pb->move( width() - SIDEBORDER - pb->width(), SIDEBORDER );
69
70 sp = new QLabel( "Speed:", this );
71 sp->adjustSize();
72 sp->move( SIDEBORDER, 45 );
73 scroll = new QSlider( 0, LifeTimer::MAXSPEED, 50,
74 LifeTimer::MAXSPEED / 2,
75 QSlider::Horizontal, this );
76 connect( scroll, SIGNAL(valueChanged(int)),
77 timer, SLOT(setSpeed(int)) );
78
79 scroll->move( sp->width() + 2 * SIDEBORDER, 45 );
80 scroll->resize( 200, 15 );
81
82 life->setFrameStyle( QFrame::Panel | QFrame::Sunken );
83 life->show();
84
85 srand( QTime(0,0,0).msecsTo(QTime::currentTime()) );
86 int sel = rand() % NPATS;
87 getPattern( sel );
88
89 cb->move( 2*SIDEBORDER + qb->width(), SIDEBORDER);
90 cb->insertItem( "Glider Gun " );
91 cb->insertItem( "Figure Eight " );
92 cb->insertItem( "Pulsar " );
93 cb->insertItem( "Barber Pole P2 " );
94 cb->insertItem( "Achim P5 " );
95 cb->insertItem( "Hertz P4 " );
96 cb->insertItem( "Tumbler " );
97 cb->insertItem( "Pulse1 P4" );
98 cb->insertItem( "Shining Flower P5 " );
99 cb->insertItem( "Pulse2 P6 " );
100 cb->insertItem( "Pinwheel, Clock P4 " );
101 cb->insertItem( "Pentadecatholon " );
102 cb->insertItem( "Piston " );
103 cb->insertItem( "Piston2 " );
104 cb->insertItem( "Switch Engine " );
105 cb->insertItem( "Gears (Gear, Flywheel, Blinker) " );
106 cb->insertItem( "Turbine8 " );
107 cb->insertItem( "P16 " );
108 cb->insertItem( "Puffer " );
109 cb->insertItem( "Escort " );
110 cb->insertItem( "Dart Speed 1/3 " );
111 cb->insertItem( "Period 4 Speed 1/2 " );
112 cb->insertItem( "Another Period 4 Speed 1/2 " );
113 cb->insertItem( "Smallest Known Period 3 Spaceship Speed 1/3 " );
114 cb->insertItem( "Turtle Speed 1/3 " );
115 cb->insertItem( "Smallest Known Period 5 Speed 2/5 " );
116 cb->insertItem( "Sym Puffer " );
117 cb->insertItem( "], Near Ship, Pi Heptomino " );
118 cb->insertItem( "R Pentomino " );
119 cb->setAutoResize( FALSE );
120 cb->setCurrentItem( sel );
121 cb->show();
122 connect( cb, SIGNAL(activated(int)), SLOT(getPattern(int)) );
123
124 QSize s;
125 s = life->minimumSize();
126 setMinimumSize( s.width() + 2 * SIDEBORDER,
127 s.height() + TOPBORDER + SIDEBORDER );
128 s = life->maximumSize();
129 setMaximumSize( s.width() + 2 * SIDEBORDER,
130 s.height() + TOPBORDER + SIDEBORDER );
131 s = life->sizeIncrement();
132 setSizeIncrement( s.width(), s.height() );
133
134 resize( QMIN(512, qApp->desktop()->width()),
135 QMIN(480, qApp->desktop()->height()) );
136}
137
138
139void LifeDialog::resizeEvent( QResizeEvent * e )
140{
141 life->resize( e->size() - QSize( 2 * SIDEBORDER, TOPBORDER + SIDEBORDER ));
142 pb->move( e->size().width() - SIDEBORDER - pb->width(), SIDEBORDER );
143 scroll->resize( e->size().width() - sp->width() - 3 * SIDEBORDER,
144 scroll->height() );
145 cb->resize( width() - 4*SIDEBORDER - qb->width() - pb->width() , 25 );
146}
147
148
149// Adapted from xlock, see pattern.cpp for copyright info.
150
151void LifeDialog::getPattern( int pat )
152{
153 life->clear();
154 int i = pat % NPATS;
155 int col;
156 int * patptr = &patterns[i][0];
157 while ( (col = *patptr++) != 127 ) {
158 int row = *patptr++;
159 col += life->maxCol() / 2;
160 row += life->maxRow() / 2;
161 life->setPoint( col, row );
162 }
163}
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