// outputs game over menu and waits for selection
void showGameOver(GameState* gameState, int* score, int* level,
const int* maxLevel) {
verifyClear();
resizeTerminal(24, 73);
if (*level >= *maxLevel) {
printGameOverWon(score);
} else {
printGameOverLost(score);
}
verifyRefresh();
nodelay(stdscr, false);
int c;
while (*gameState == GameOver) {
if ((c = wgetch(stdscr)) != ERR) {
if (c == 'y') {
// clear bucket
int i;
for (i = 0; i < tetrisBucket.height; i++) {
free(tetrisBucket.bucket[i]);
}
free(tetrisBucket.bucket);
int size = (sizeof(brickPack.bricks) / sizeof(brickPack.bricks[0]));
// clear remaining bricks in current brickpack
for (i = size -
brickPack.size; i < size; i++) {
free(brickPack.bricks[i]);
}
// clear active bricks
free(currentbrick);
free(nextBrick);
delwin(scoreWin);
delwin(bucketWin);
delwin(nextBrickWin);
*gameState = GameInit;
break;
} else if (c == 'n') {
break;
}
}
}
}
// restes terminal to standard, frees resources and checks threadexecution
// then quits
void cleanUp(pthread_t musicThread) {
resizeTerminal(24, 80);
verifyClear();
verifyRefresh();
attroff(COLOR_PAIR(1));
delwin(scoreWin);
delwin(bucketWin);
delwin(nextBrickWin);
endwin();
int i;
for (i = 0; i < tetrisBucket.height; i++) {
free(tetrisBucket.bucket[i]);
}
free(tetrisBucket.bucket);
for (i = 7 - brickPack.size; i < 7; i++) {
free(brickPack.bricks[i]);
}
// free music
Mix_FreeMusic(korobeiniki);
Mix_FreeMusic(introMusic);
Mix_FreeMusic(gameOverMusic);
// free chunks
Mix_FreeChunk(moveSound);
Mix_FreeChunk(rotateSound);
Mix_FreeChunk(landSound);
Mix_FreeChunk(levelUpSound);
Mix_FreeChunk(clearLineSound);
Mix_FreeChunk(tetrisSound);
// don't exit before musicThread is done executing
pthread_cancel(musicThread);
pthread_join(musicThread, NULL);
Mix_CloseAudio();
}
// outputs start menu and waits for selection
void showStartMenu(pthread_t* musicThread, GameState* gameState) {
int c;
while (*gameState == GameInit) {
verifyClear();
resizeTerminal(24, 73);
printGameMenu();
verifyRefresh();
if ((c = wgetch(stdscr)) != ERR) {
if (c == 10) {
verifyClear();
verifyRefresh();
*gameState = GameRunning;
break;
} else if (c == 27) {
*gameState = GameOver;
break;
}
}
}
}
QgsGrassShell::QgsGrassShell( QgsGrassTools *tools,
QTabWidget * parent, const char * name ):
QDialog( parent ), QgsGrassShellBase(), mTools( tools )
{
mValid = false;
mSkipLines = 2;
mTabWidget = parent;
#ifdef WIN32
QMessageBox::warning( 0, "Warning",
"GRASS Shell is not supported on Windows." );
return;
#else
setupUi( this );
QGridLayout *layout = new QGridLayout( mTextFrame, 1, 1 );
mText = new QgsGrassShellText( this, mTextFrame );
layout->addWidget( mText, 0, 0 );
mText->show();
connect( mCloseButton, SIGNAL( clicked() ), this, SLOT( closeShell() ) );
mFont = QFont( "Courier", 10 );
mAppDir = mTools->appDir();
#ifndef Q_WS_MAC
// Qt4.3.2/Mac Q3TextEdit readOnly property causes keys to be processed as keyboard actions
mText->setReadOnly( TRUE );
#endif
//mText->setFocusPolicy ( QWidget::NoFocus ); // To get key press directly
#ifndef HAVE_OPENPTY
mText->append( "GRASS shell is not supported" );
return;
#endif
// TODO set cursor IbeamCursor
// This does not work - the cursor is used for scrollbars -> disabled
//mText->setCursor ( QCursor(Qt::IbeamCursor) );
mParagraph = -1; // first will be 0
mIndex = -1;
mNewLine = true;
for ( int i = 0; i < ModeCount; i++ )
{
resetMode( i );
}
int uid;
seteuid( uid = getuid() ); /* Run unprivileged */
// Get and open pseudo terminal
// Note: 0 (stdin), 1 (stdout) or 2 (stderr)
int fdSlave; // slave file descriptor
seteuid( 0 );
int ret = openpty( &mFdMaster, &fdSlave, NULL, NULL, NULL );
if ( ret != 0 )
{
QMessageBox::warning( 0, "Warning", "Cannot open pseudo terminal" );
return;
}
fchown( fdSlave, uid, ( gid_t ) - 1 );
fchmod( fdSlave, S_IRUSR | S_IWUSR );
seteuid( uid );
QgsDebugMsg( QString( "mFdMaster = %1" ).arg( mFdMaster ) );
QgsDebugMsg( QString( "fdSlave = %1" ).arg( fdSlave ) );
fcntl( mFdMaster, F_SETFL, O_NDELAY );
//fcntl( fdSlave, F_SETFL, O_NDELAY); // enable?
QString slaveName = ttyname( fdSlave );
QgsDebugMsg( QString( "master ttyname = %1" ).arg( ttyname( mFdMaster ) ) );
QgsDebugMsg( QString( "slave ttyname = %1" ).arg( ttyname( fdSlave ) ) );
//::close( fdSlave ); // -> crash
// Fork slave and open shell
int pid = fork();
QgsDebugMsg( QString( "pid = %1" ).arg( pid ) );
if ( pid == -1 )
{
QMessageBox::warning( 0, "Warning", "Cannot fork shell" );
return;
}
// Child - slave
if ( pid == 0 )
{
QgsDebugMsg( "child ->" );
// TODO close all opened file descriptors - close(0)???
::close( mFdMaster );
//::close( fdSlave ); // -> freeze
setsid();
seteuid( 0 );
int fd = ::open(( char* ) slaveName.ascii(), O_RDWR );
if ( fd < 0 )
{
QMessageBox::warning( 0, "Warning", "Cannot open slave file "
"in child process" );
return;
}
fchown( fd, uid, ( gid_t ) - 1 );
fchmod( fd, S_IRUSR | S_IWUSR );
setuid( uid );
dup2( fd, 0 ); /* stdin */
dup2( fd, 1 ); /* stdout */
dup2( fd, 2 ); /* stderr */
// TODO: test if shell is available
QString shell = ( getenv( "SHELL" ) );
if ( shell.isEmpty() )
{
shell = "/bin/bash";
}
const char *norc = "";
QFileInfo si( shell );
if ( si.fileName() == "bash" || si.fileName() == "sh" )
{
norc = "--norc";
}
else if ( si.fileName() == "tcsh" || si.fileName() == "csh" )
{
norc = "-f";
}
// Warning: execle + --norc will not inherit not given variables
// -> overwrite here
const char *env = "GRASS_MESSAGE_FORMAT=gui";
char *envstr = new char[strlen( env )+1];
strcpy( envstr, env );
putenv( envstr );
putenv(( char * ) "GISRC_MODE_MEMORY" ); // unset
env = "PS1=GRASS > ";
envstr = new char[strlen( env )+1];
strcpy( envstr, env );
putenv( envstr );
env = "TERM=vt100";
envstr = new char[strlen( env )+1];
strcpy( envstr, env );
putenv( envstr );
//char *envar[] = { "PS1=GRASS > ", "TERM=vt100", "GISRC_MODE_MEMORY=",
// "GRASS_MESSAGE_FORMAT=gui", (char *)0 };
//execle ( (char*)shell.ascii(), (char *)si.fileName().ascii(),
// norc, (char *) 0, envar);
execl(( char* )shell.ascii(), ( char * )si.fileName().ascii(),
norc, ( char * ) 0 );
// Failed (QMessageBox here does not work)
fprintf( stderr, "GRASS_INFO_ERROR(1,1): Cannot start shell %s\n",
( char* )shell.ascii() );
exit( 1 );
}
mPid = pid;
// Create socket notifier
mOutNotifier = new QSocketNotifier( mFdMaster, QSocketNotifier::Read, this );
QObject::connect( mOutNotifier, SIGNAL( activated( int ) ),
this, SLOT( readStdout( int ) ) );
// Set tab stops ???
mTabStop.resize( 200 );
for ( int i = 0 ; i * 8 < ( int )mTabStop.size(); i++ )
{
mTabStop[i*8] = true;
}
// Set trap to write history on SIGUSR1
//QString trap = "trap 'history -w' SIGUSR1\015\012";
QString trap = "trap 'history -w' SIGUSR1\015";
write( mFdMaster, trap.ascii(), trap.length() );
mText->clear();
resizeTerminal();
mValid = true;
#endif // !WIN32
}