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tdebase/kcontrol/screensaver/scrnsave.cpp

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//-----------------------------------------------------------------------------
//
// KDE Display screen saver setup module
//
// Copyright (c) Martin R. Jones 1996,1999,2002
//
// Converted to a kcc module by Matthias Hoelzer 1997
//
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <tqbuttongroup.h>
#include <tqcheckbox.h>
#include <tqheader.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqlistview.h>
#include <tqpushbutton.h>
#include <tqslider.h>
#include <tqtimer.h>
#include <tqfileinfo.h>
#include <tqwhatsthis.h>
#include <dcopclient.h>
#include <tdeaboutdata.h>
#include <tdeapplication.h>
#include <kdebug.h>
#include <kdialog.h>
#include <kdialogbase.h>
#include <kgenericfactory.h>
#include <kiconloader.h>
#include <knuminput.h>
#include <kprocess.h>
#include <kservicegroup.h>
#include <kstandarddirs.h>
#include <ksimpleconfig.h>
#include <X11/Xlib.h>
#include "scrnsave.h"
#include <fixx11h.h>
#define OPEN_TDMCONFIG_AND_SET_GROUP \
if( stat( KDE_CONFDIR "/tdm/tdmdistrc" , &st ) == 0) { \
mTDMConfig = new KSimpleConfig( TQString::fromLatin1( KDE_CONFDIR "/tdm/tdmdistrc" )); \
} \
else { \
mTDMConfig = new KSimpleConfig( TQString::fromLatin1( KDE_CONFDIR "/tdm/tdmrc" )); \
} \
mTDMConfig->setGroup("X-:*-Greeter");
template class TQPtrList<SaverConfig>;
const uint widgetEventMask = // X event mask
(uint)(
ExposureMask |
PropertyChangeMask |
StructureNotifyMask
);
//===========================================================================
// DLL Interface for kcontrol
typedef KGenericFactory<KScreenSaver, TQWidget > KSSFactory;
K_EXPORT_COMPONENT_FACTORY (kcm_screensaver, KSSFactory("kcmscreensaver") )
static TQString findExe(const TQString &exe) {
TQString result = locate("exe", exe);
if (result.isEmpty())
result = TDEStandardDirs::findExe(exe);
return result;
}
KScreenSaver::KScreenSaver(TQWidget *parent, const char *name, const TQStringList&)
: TDECModule(KSSFactory::instance(), parent, name)
{
mSetupProc = 0;
mPreviewProc = 0;
mTestWin = 0;
mTestProc = 0;
mPrevSelected = -2;
mMonitor = 0;
mTesting = false;
struct stat st;
OPEN_TDMCONFIG_AND_SET_GROUP
// Add non-TDE path
TDEGlobal::dirs()->addResourceType("scrsav",
TDEGlobal::dirs()->kde_default("apps") +
"apps/ScreenSavers/");
setQuickHelp( i18n("<h1>Screen Saver</h1> This module allows you to enable and"
" configure a screen saver. Note that you can enable a screen saver"
" even if you have power saving features enabled for your display.<p>"
" Besides providing an endless variety of entertainment and"
" preventing monitor burn-in, a screen saver also gives you a simple"
" way to lock your display if you are going to leave it unattended"
" for a while. If you want the screen saver to lock the session, make sure you enable"
" the \"Require password\" feature of the screen saver; if you do not, you can still"
" explicitly lock the session using the desktop's \"Lock Session\" action."));
setButtons( TDECModule::Help | TDECModule::Default | TDECModule::Apply );
// Add KDE specific screensaver path
TQString relPath="System/ScreenSavers/";
KServiceGroup::Ptr servGroup = KServiceGroup::baseGroup( "screensavers" );
if (servGroup)
{
relPath=servGroup->relPath();
kdDebug() << "relPath=" << relPath << endl;
}
TDEGlobal::dirs()->addResourceType("scrsav",
TDEGlobal::dirs()->kde_default("apps") +
relPath);
readSettings( false );
mSetupProc = new TDEProcess;
connect(mSetupProc, TQT_SIGNAL(processExited(TDEProcess *)),
this, TQT_SLOT(slotSetupDone(TDEProcess *)));
mPreviewProc = new TDEProcess;
connect(mPreviewProc, TQT_SIGNAL(processExited(TDEProcess *)),
this, TQT_SLOT(slotPreviewExited(TDEProcess *)));
TQBoxLayout *topLayout = new TQHBoxLayout(this, 0, KDialog::spacingHint());
// left column
TQVBoxLayout *leftColumnLayout =
new TQVBoxLayout(topLayout, KDialog::spacingHint());
TQBoxLayout *vLayout =
new TQVBoxLayout(leftColumnLayout, KDialog::spacingHint());
mSaverGroup = new TQGroupBox(i18n("Screen Saver"), this );
mSaverGroup->setColumnLayout( 0, Qt::Horizontal );
vLayout->addWidget(mSaverGroup);
vLayout->setStretchFactor( mSaverGroup, 10 );
TQBoxLayout *groupLayout = new TQVBoxLayout( mSaverGroup->layout(),
KDialog::spacingHint() );
mSaverListView = new TQListView( mSaverGroup );
mSaverListView->setMinimumHeight( 120 );
mSaverListView->setSizePolicy(TQSizePolicy::Preferred, TQSizePolicy::Expanding);
mSaverListView->addColumn("");
mSaverListView->header()->hide();
mSelected = -1;
groupLayout->addWidget( mSaverListView, 10 );
connect( mSaverListView, TQT_SIGNAL(doubleClicked ( TQListViewItem *)), this, TQT_SLOT( slotSetup()));
TQWhatsThis::add( mSaverListView, i18n("Select the screen saver to use.") );
TQBoxLayout* hlay = new TQHBoxLayout(groupLayout, KDialog::spacingHint());
mSetupBt = new TQPushButton( i18n("&Setup..."), mSaverGroup );
connect( mSetupBt, TQT_SIGNAL( clicked() ), TQT_SLOT( slotSetup() ) );
mSetupBt->setEnabled(false);
hlay->addWidget( mSetupBt );
TQWhatsThis::add( mSetupBt, i18n("Configure the screen saver's options, if any.") );
mTestBt = new TQPushButton( i18n("&Test"), mSaverGroup );
connect( mTestBt, TQT_SIGNAL( clicked() ), TQT_SLOT( slotTest() ) );
mTestBt->setEnabled(false);
hlay->addWidget( mTestBt );
TQWhatsThis::add( mTestBt, i18n("Show a full screen preview of the screen saver.") );
mSettingsGroup = new TQGroupBox( i18n("Settings"), this );
mSettingsGroup->setColumnLayout( 0, Qt::Vertical );
leftColumnLayout->addWidget( mSettingsGroup );
TQGridLayout *settingsGroupLayout = new TQGridLayout( mSettingsGroup->layout(), 5, 2, KDialog::spacingHint() );
mEnabledCheckBox = new TQCheckBox(i18n("Start a&utomatically"), mSettingsGroup);
mEnabledCheckBox->setChecked(mEnabled);
TQWhatsThis::add( mEnabledCheckBox, i18n("Automatically start the screen saver after a period of inactivity.") );
connect(mEnabledCheckBox, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotEnable(bool)));
settingsGroupLayout->addWidget(mEnabledCheckBox, 0, 0);
TQBoxLayout *hbox = new TQHBoxLayout();
settingsGroupLayout->addLayout(hbox, 1, 0);
hbox->addSpacing(30);
mActivateLbl = new TQLabel(i18n("After:"), mSettingsGroup);
mActivateLbl->setEnabled(mEnabled);
hbox->addWidget(mActivateLbl);
mWaitEdit = new TQSpinBox(mSettingsGroup);
mWaitEdit->setSteps(1, 10);
mWaitEdit->setRange(1, INT_MAX);
mWaitEdit->setSuffix(i18n(" min"));
mWaitEdit->setValue(mTimeout/60);
mWaitEdit->setEnabled(mEnabled);
connect(mWaitEdit, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(slotTimeoutChanged(int)));
mActivateLbl->setBuddy(mWaitEdit);
hbox->addWidget(mWaitEdit);
hbox->addStretch(1);
TQString wtstr = i18n("The period of inactivity after which the screen saver should start.");
TQWhatsThis::add( mActivateLbl, wtstr );
TQWhatsThis::add( mWaitEdit, wtstr );
mLockCheckBox = new TQCheckBox( i18n("&Require password to stop"), mSettingsGroup );
mLockCheckBox->setEnabled( mEnabled );
mLockCheckBox->setChecked( mLock );
connect( mLockCheckBox, TQT_SIGNAL( toggled( bool ) ), this, TQT_SLOT( slotLock( bool ) ) );
settingsGroupLayout->addWidget(mLockCheckBox, 2, 0);
TQWhatsThis::add( mLockCheckBox, i18n("Prevent potential unauthorized use by requiring a password to stop the screen saver.") );
hbox = new TQHBoxLayout();
settingsGroupLayout->addLayout(hbox, 3, 0);
hbox->addSpacing(30);
mLockLbl = new TQLabel(i18n("After:"), mSettingsGroup);
mLockLbl->setEnabled(mEnabled && mLock);
TQWhatsThis::add( mLockLbl, i18n("The amount of time, after the screen saver has started, to ask for the unlock password.") );
hbox->addWidget(mLockLbl);
mWaitLockEdit = new TQSpinBox(mSettingsGroup);
mWaitLockEdit->setSteps(1, 10);
mWaitLockEdit->setRange(1, 300);
mWaitLockEdit->setSuffix(i18n(" sec"));
mWaitLockEdit->setValue(mLockTimeout/1000);
mWaitLockEdit->setEnabled(mEnabled && mLock);
if ( mWaitLockEdit->sizeHint().width() <
mWaitEdit->sizeHint().width() ) {
mWaitLockEdit->setFixedWidth( mWaitEdit->sizeHint().width() );
mWaitEdit->setFixedWidth( mWaitEdit->sizeHint().width() );
}
else {
mWaitEdit->setFixedWidth( mWaitLockEdit->sizeHint().width() );
mWaitLockEdit->setFixedWidth( mWaitLockEdit->sizeHint().width() );
}
connect(mWaitLockEdit, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(slotLockTimeoutChanged(int)));
mLockLbl->setBuddy(mWaitLockEdit);
hbox->addWidget(mWaitLockEdit);
hbox->addStretch(1);
TQString wltstr = i18n("Choose the period after which the display will be locked. ");
TQWhatsThis::add( mLockLbl, wltstr );
TQWhatsThis::add( mWaitLockEdit, wltstr );
mDelaySaverStartCheckBox = new TQCheckBox( i18n("&Delay saver start after lock"), mSettingsGroup );
mDelaySaverStartCheckBox->setEnabled( true );
mDelaySaverStartCheckBox->setChecked( mDelaySaverStart );
connect( mDelaySaverStartCheckBox, TQT_SIGNAL( toggled( bool ) ), this, TQT_SLOT( slotDelaySaverStart( bool ) ) );
settingsGroupLayout->addWidget(mDelaySaverStartCheckBox, 0, 1);
TQWhatsThis::add( mDelaySaverStartCheckBox, i18n("When manually locking the screen, wait to start the screen saver until the configured start delay has elapsed.") );
mUseTSAKCheckBox = new TQCheckBox( i18n("&Use Secure Attention Key"), mSettingsGroup );
mUseTSAKCheckBox->setEnabled( true );
mUseTSAKCheckBox->setChecked( mUseTSAK );
connect( mUseTSAKCheckBox, TQT_SIGNAL( toggled( bool ) ), this, TQT_SLOT( slotUseTSAK( bool ) ) );
settingsGroupLayout->addWidget(mUseTSAKCheckBox, 1, 1);
TQWhatsThis::add( mUseTSAKCheckBox, i18n("Require Secure Attention Key prior to displaying the unlock dialog.") );
mUseUnmanagedLockWindowsCheckBox = new TQCheckBox( i18n("Use &legacy lock windows"), mSettingsGroup );
mUseUnmanagedLockWindowsCheckBox->setEnabled( true );
mUseUnmanagedLockWindowsCheckBox->setChecked( mUseUnmanagedLockWindows );
connect( mUseUnmanagedLockWindowsCheckBox, TQT_SIGNAL( toggled( bool ) ), this, TQT_SLOT( slotUseUnmanagedLockWindows( bool ) ) );
settingsGroupLayout->addWidget(mUseUnmanagedLockWindowsCheckBox, 2, 1);
TQWhatsThis::add( mUseUnmanagedLockWindowsCheckBox, i18n("Use old-style unmanaged X11 lock windows.") );
mHideActiveWindowsFromSaverCheckBox = new TQCheckBox( i18n("Hide active &windows from saver"), mSettingsGroup );
mHideActiveWindowsFromSaverCheckBox->setEnabled( true );
mHideActiveWindowsFromSaverCheckBox->setChecked( mHideActiveWindowsFromSaver );
connect( mHideActiveWindowsFromSaverCheckBox, TQT_SIGNAL( toggled( bool ) ), this, TQT_SLOT( slotHideActiveWindowsFromSaver( bool ) ) );
settingsGroupLayout->addWidget(mHideActiveWindowsFromSaverCheckBox, 3, 1);
TQWhatsThis::add( mHideActiveWindowsFromSaverCheckBox, i18n("Hide all active windows from the screen saver and use the desktop background as the screen saver input.") );
mHideCancelButtonCheckBox = new TQCheckBox( i18n("Hide &cancel button"), mSettingsGroup );
mHideCancelButtonCheckBox->setEnabled( true );
mHideCancelButtonCheckBox->setChecked( mHideCancelButton );
connect( mHideCancelButtonCheckBox, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotHideCancelButton(bool)) );
settingsGroupLayout->addWidget(mHideCancelButtonCheckBox, 4, 1);
TQWhatsThis::add(mHideCancelButtonCheckBox, i18n("Hide Cancel button from the \"Desktop Session Locked\" dialog."));
// right column
TQBoxLayout* rightColumnLayout = new TQVBoxLayout(topLayout, KDialog::spacingHint());
mMonitorLabel = new TQLabel( this );
mMonitorLabel->setAlignment( AlignCenter );
mMonitorLabel->setPixmap( TQPixmap(locate("data", "kcontrol/pics/monitor.png")));
rightColumnLayout->addWidget(mMonitorLabel, 0);
TQWhatsThis::add( mMonitorLabel, i18n("A preview of the selected screen saver.") );
TQBoxLayout* advancedLayout = new TQHBoxLayout( rightColumnLayout, 3 );
advancedLayout->addWidget( new TQWidget( this ) );
TQPushButton* advancedBt = new TQPushButton(
i18n( "Advanced &Options" ), this, "advancedBtn" );
advancedBt->setSizePolicy( TQSizePolicy(
TQSizePolicy::Fixed, TQSizePolicy::Fixed) );
connect( advancedBt, TQT_SIGNAL( clicked() ),
this, TQT_SLOT( slotAdvanced() ) );
advancedLayout->addWidget( advancedBt );
advancedLayout->addWidget( new TQWidget( this ) );
rightColumnLayout->addStretch();
if (mImmutable)
{
setButtons(buttons() & ~Default);
mSettingsGroup->setEnabled(false);
mSaverGroup->setEnabled(false);
}
// finding the savers can take some time, so defer loading until
// we've started up.
mNumLoaded = 0;
mLoadTimer = new TQTimer( this );
connect( mLoadTimer, TQT_SIGNAL(timeout()), TQT_SLOT(findSavers()) );
mLoadTimer->start( 100 );
mChanged = false;
emit changed(false);
TDEAboutData *about =
new TDEAboutData(I18N_NOOP("kcmscreensaver"), I18N_NOOP("TDE Screen Saver Control Module"),
0, 0, TDEAboutData::License_GPL,
I18N_NOOP("(c) 1997-2002 Martin R. Jones\n"
"(c) 2003-2004 Chris Howells"));
about->addAuthor("Chris Howells", 0, "howells@kde.org");
about->addAuthor("Martin R. Jones", 0, "jones@kde.org");
setAboutData( about );
mSaverList.setAutoDelete(true);
processLockouts();
}
//---------------------------------------------------------------------------
//
void KScreenSaver::resizeEvent( TQResizeEvent * )
{
if (mMonitor)
{
mMonitor->setGeometry( (mMonitorLabel->width()-200)/2+23,
(mMonitorLabel->height()-186)/2+14, 151, 115 );
}
}
//---------------------------------------------------------------------------
//
void KScreenSaver::mousePressEvent( TQMouseEvent *)
{
if ( mTesting )
slotStopTest();
}
//---------------------------------------------------------------------------
//
void KScreenSaver::keyPressEvent( TQKeyEvent *)
{
if ( mTesting )
slotStopTest();
}
//---------------------------------------------------------------------------
//
KScreenSaver::~KScreenSaver()
{
if (mPreviewProc)
{
if (mPreviewProc->isRunning())
{
int pid = mPreviewProc->pid();
mPreviewProc->kill( );
waitpid(pid, (int *) 0,0);
}
delete mPreviewProc;
}
delete mTestProc;
delete mSetupProc;
delete mTestWin;
delete mTDMConfig;
}
//---------------------------------------------------------------------------
//
void KScreenSaver::load()
{
load( false );
}
void KScreenSaver::load( bool useDefaults )
{
readSettings( useDefaults);
//with the following line, the Test and Setup buttons are not enabled correctly
//if no saver was selected, the "Reset" and the "Enable screensaver", it is only called when starting and when pressing reset, aleXXX
// mSelected = -1;
int i = 0;
TQListViewItem *selectedItem = 0;
for (SaverConfig* saver = mSaverList.first(); saver != 0; saver = mSaverList.next()) {
if (saver->file() == mSaver)
{
selectedItem = mSaverListView->findItem ( saver->name(), 0 );
if (selectedItem) {
mSelected = i;
break;
}
}
i++;
}
if ( selectedItem )
{
mSaverListView->setSelected( selectedItem, true );
mSaverListView->setCurrentItem( selectedItem );
slotScreenSaver( selectedItem );
}
updateValues();
mChanged = useDefaults;
emit changed( useDefaults );
}
//------------------------------------------------------------After---------------
//
void KScreenSaver::readSettings( bool useDefaults )
{
TDEConfig *config = new TDEConfig( "kdesktoprc");
config->setReadDefaults( useDefaults );
mImmutable = config->groupIsImmutable("ScreenSaver");
config->setGroup( "ScreenSaver" );
mEnabled = config->readBoolEntry("Enabled", false);
mTimeout = config->readNumEntry("Timeout", 300);
mLockTimeout = config->readNumEntry("LockGrace", 60000);
mLock = config->readBoolEntry("Lock", false);
mDelaySaverStart = config->readBoolEntry("DelaySaverStart", true);
mUseTSAK = config->readBoolEntry("UseTDESAK", true);
mUseUnmanagedLockWindows = config->readBoolEntry("UseUnmanagedLockWindows", false);
mHideActiveWindowsFromSaver = config->readBoolEntry("HideActiveWindowsFromSaver", true);
mHideCancelButton = config->readBoolEntry("HideCancelButton", false);
mSaver = config->readEntry("Saver");
if (mTimeout < 60) mTimeout = 60;
if (mLockTimeout < 0) mLockTimeout = 0;
if (mLockTimeout > 300000) mLockTimeout = 300000;
mChanged = false;
delete config;
}
//---------------------------------------------------------------------------
//
void KScreenSaver::updateValues()
{
if (mEnabled)
{
mWaitEdit->setValue(mTimeout/60);
}
else
{
mWaitEdit->setValue(0);
}
mWaitLockEdit->setValue(mLockTimeout/1000);
mLockCheckBox->setChecked(mLock);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::defaults()
{
load( true );
}
//---------------------------------------------------------------------------
//
void KScreenSaver::save()
{
if ( !mChanged )
return;
TDEConfig *config = new TDEConfig( "kdesktoprc");
config->setGroup( "ScreenSaver" );
config->writeEntry("Enabled", mEnabled);
config->writeEntry("Timeout", mTimeout);
config->writeEntry("LockGrace", mLockTimeout);
config->writeEntry("Lock", mLock);
config->writeEntry("DelaySaverStart", mDelaySaverStart);
config->writeEntry("UseTDESAK", mUseTSAK);
config->writeEntry("UseUnmanagedLockWindows", mUseUnmanagedLockWindows);
config->writeEntry("HideActiveWindowsFromSaver", mHideActiveWindowsFromSaver);
config->writeEntry("HideCancelButton", mHideCancelButton);
if ( !mSaver.isEmpty() )
config->writeEntry("Saver", mSaver);
config->sync();
delete config;
// TODO (GJ): When you changed anything, these two lines will give a segfault
// on exit. I don't know why yet.
DCOPClient *client = kapp->dcopClient();
client->send("kdesktop", "KScreensaverIface", "configure()", TQString(""));
mChanged = false;
emit changed(false);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::findSavers()
{
if ( !mNumLoaded ) {
mSaverFileList = TDEGlobal::dirs()->findAllResources("scrsav",
"*.desktop", false, true);
new TQListViewItem ( mSaverListView, i18n("Loading...") );
if ( mSaverFileList.isEmpty() )
mLoadTimer->stop();
else
mLoadTimer->start( 50 );
}
for ( int i = 0; i < 5 &&
(unsigned)mNumLoaded < mSaverFileList.count();
i++, mNumLoaded++ ) {
TQString file = mSaverFileList[mNumLoaded];
SaverConfig *saver = new SaverConfig;
if (saver->read(file)) {
TQString saverexec = TQString("%1/%2").arg(XSCREENSAVER_HACKS_DIR).arg(saver->exec());
// find the xscreensaver executable
//work around a TDEStandardDirs::findExe() "feature" where it looks in $TDEDIR/bin first no matter what and sometimes finds the wrong executable
TQFileInfo checkExe;
checkExe.setFile(saverexec);
if (checkExe.exists() && checkExe.isExecutable() && checkExe.isFile()) {
mSaverList.append(saver);
}
else {
// Executable not present in XScreenSaver directory!
// Try standard paths
if (TDEStandardDirs::findExe(saver->exec()) != TQString::null) {
mSaverList.append(saver);
}
else {
delete saver;
}
}
}
else {
delete saver;
}
}
if ( (unsigned)mNumLoaded == mSaverFileList.count() ) {
TQListViewItem *selectedItem = 0;
int categoryCount = 0;
int indx = 0;
mLoadTimer->stop();
delete mLoadTimer;
mSaverList.sort();
mSelected = -1;
mSaverListView->clear();
for ( SaverConfig *s = mSaverList.first(); s != 0; s = mSaverList.next())
{
TQListViewItem *item;
if (s->category().isEmpty())
item = new TQListViewItem ( mSaverListView, s->name(), "2" + s->name() );
else
{
TQListViewItem *categoryItem = mSaverListView->findItem( s->category(), 0 );
if ( !categoryItem ) {
categoryItem = new TQListViewItem ( mSaverListView, s->category(), "1" + s->category() );
categoryItem->setPixmap ( 0, SmallIcon ( "tdescreensaver" ) );
}
item = new TQListViewItem ( categoryItem, s->name(), s->name() );
categoryCount++;
}
if (s->file() == mSaver) {
mSelected = indx;
selectedItem = item;
}
indx++;
}
// Delete categories with only one item
TQListViewItemIterator it ( mSaverListView );
for ( ; it.current(); it++ )
if ( it.current()->childCount() == 1 ) {
TQListViewItem *item = it.current()->firstChild();
it.current()->takeItem( item );
mSaverListView->insertItem ( item );
delete it.current();
categoryCount--;
}
mSaverListView->setRootIsDecorated ( categoryCount > 0 );
mSaverListView->setSorting ( 1 );
if ( mSelected > -1 )
{
mSaverListView->setSelected(selectedItem, true);
mSaverListView->setCurrentItem(selectedItem);
mSaverListView->ensureItemVisible(selectedItem);
mSetupBt->setEnabled(!mSaverList.at(mSelected)->setup().isEmpty());
mTestBt->setEnabled(true);
}
connect( mSaverListView, TQT_SIGNAL( currentChanged( TQListViewItem * ) ),
this, TQT_SLOT( slotScreenSaver( TQListViewItem * ) ) );
setMonitor();
}
}
//---------------------------------------------------------------------------
//
void KScreenSaver::setMonitor()
{
if (mPreviewProc->isRunning())
// CC: this will automatically cause a "slotPreviewExited"
// when the viewer exits
mPreviewProc->kill();
else
slotPreviewExited(mPreviewProc);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotPreviewExited(TDEProcess *)
{
// Ugly hack to prevent continual respawning of savers that crash
if (mSelected == mPrevSelected)
return;
if ( mSaverList.isEmpty() ) // safety check
return;
// Some xscreensaver hacks do something nasty to the window that
// requires a new one to be created (or proper investigation of the
// problem).
delete mMonitor;
mMonitor = new KSSMonitor(mMonitorLabel);
mMonitor->setBackgroundColor(black);
mMonitor->setGeometry((mMonitorLabel->width()-200)/2+23,
(mMonitorLabel->height()-186)/2+14, 151, 115);
mMonitor->show();
// So that hacks can XSelectInput ButtonPressMask
XSelectInput(tqt_xdisplay(), mMonitor->winId(), widgetEventMask );
if (mSelected >= 0) {
mPreviewProc->clearArguments();
TQString saver = mSaverList.at(mSelected)->saver();
TQTextStream ts(&saver, IO_ReadOnly);
TQString word;
ts >> word;
TQString path = findExe(word);
if (!path.isEmpty())
{
(*mPreviewProc) << path;
while (!ts.atEnd())
{
ts >> word;
if (word == "%w")
{
word = word.setNum(mMonitor->winId());
}
(*mPreviewProc) << word;
}
mPreviewProc->start();
}
}
mPrevSelected = mSelected;
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotEnable(bool e)
{
mEnabled = e;
processLockouts();
mChanged = true;
emit changed(true);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::processLockouts()
{
bool useSAK = mTDMConfig->readBoolEntry("UseSAK", false);
mActivateLbl->setEnabled( mEnabled );
mWaitEdit->setEnabled( mEnabled );
mLockCheckBox->setEnabled( mEnabled );
if (mEnabled && !mUseUnmanagedLockWindows) {
mDelaySaverStartCheckBox->setEnabled( true );
mDelaySaverStartCheckBox->setChecked( mDelaySaverStart );
}
else {
mDelaySaverStartCheckBox->setEnabled( false );
mDelaySaverStartCheckBox->setChecked( false );
}
if (!mUseUnmanagedLockWindows && useSAK) {
mUseTSAKCheckBox->setEnabled( true );
mUseTSAKCheckBox->setChecked( mUseTSAK );
}
else {
mUseTSAKCheckBox->setEnabled( false );
mUseTSAKCheckBox->setChecked( false );
}
if (!mUseUnmanagedLockWindows) {
mHideActiveWindowsFromSaverCheckBox->setEnabled( true );
mHideActiveWindowsFromSaverCheckBox->setChecked( mHideActiveWindowsFromSaver );
}
else {
mHideActiveWindowsFromSaverCheckBox->setEnabled( false );
mHideActiveWindowsFromSaverCheckBox->setChecked( false );
}
if (mUseUnmanagedLockWindows || (useSAK && mUseTSAK)) {
mHideCancelButtonCheckBox->setEnabled( false );
mHideCancelButtonCheckBox->setChecked( false );
}
else {
mHideCancelButtonCheckBox->setEnabled( true );
mHideCancelButtonCheckBox->setChecked( mHideCancelButton );
}
mLockLbl->setEnabled( mEnabled && mLock );
mWaitLockEdit->setEnabled( mEnabled && mLock );
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotScreenSaver(TQListViewItem *item)
{
if (!item)
return;
int i = 0, indx = -1;
for (SaverConfig* saver = mSaverList.first(); saver != 0; saver = mSaverList.next()) {
if ( item->parent() )
{
if ( item->parent()->text( 0 ) == saver->category() && saver->name() == item->text (0))
{
indx = i;
break;
}
}
else
{
if ( saver->name() == item->text (0) )
{
indx = i;
break;
}
}
i++;
}
if (indx == -1) {
mSelected = -1;
return;
}
bool bChanged = (indx != mSelected);
if (!mSetupProc->isRunning())
mSetupBt->setEnabled(!mSaverList.at(indx)->setup().isEmpty());
mTestBt->setEnabled(true);
mSaver = mSaverList.at(indx)->file();
mSelected = indx;
setMonitor();
if (bChanged)
{
mChanged = true;
emit changed(true);
}
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotSetup()
{
if ( mSelected < 0 )
return;
if (mSetupProc->isRunning())
return;
mSetupProc->clearArguments();
TQString saver = mSaverList.at(mSelected)->setup();
if( saver.isEmpty())
return;
TQTextStream ts(&saver, IO_ReadOnly);
TQString word;
ts >> word;
bool kxsconfig = word == "kxsconfig";
TQString path = findExe(word);
if (!path.isEmpty())
{
(*mSetupProc) << path;
// Add caption and icon to about dialog
if (!kxsconfig) {
word = "-caption";
(*mSetupProc) << word;
word = mSaverList.at(mSelected)->name();
(*mSetupProc) << word;
word = "-icon";
(*mSetupProc) << word;
word = "tdescreensaver";
(*mSetupProc) << word;
}
while (!ts.atEnd())
{
ts >> word;
(*mSetupProc) << word;
}
// Pass translated name to kxsconfig
if (kxsconfig) {
word = mSaverList.at(mSelected)->name();
(*mSetupProc) << word;
}
mSetupBt->setEnabled( false );
kapp->flushX();
mSetupProc->start();
}
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotAdvanced()
{
KScreenSaverAdvancedDialog dlg( topLevelWidget() );
if ( dlg.exec() ) {
mChanged = true;
emit changed(true);
}
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotTest()
{
if ( mSelected == -1 )
return;
if (!mTestProc) {
mTestProc = new TDEProcess;
}
mTestProc->clearArguments();
TQString saver = mSaverList.at(mSelected)->saver();
TQTextStream ts(&saver, IO_ReadOnly);
TQString word;
ts >> word;
TQString path = findExe(word);
if (!path.isEmpty())
{
(*mTestProc) << path;
if (!mTestWin)
{
mTestWin = new TestWin();
mTestWin->setBackgroundMode(TQWidget::NoBackground);
mTestWin->setGeometry(0, 0, kapp->desktop()->width(),
kapp->desktop()->height());
}
mTestWin->show();
mTestWin->raise();
mTestWin->setFocus();
// So that hacks can XSelectInput ButtonPressMask
XSelectInput(tqt_xdisplay(), mTestWin->winId(), widgetEventMask );
grabMouse();
grabKeyboard();
mTestBt->setEnabled( FALSE );
mPreviewProc->kill();
while (!ts.atEnd())
{
ts >> word;
if (word == "%w")
{
word = word.setNum(mTestWin->winId());
}
(*mTestProc) << word;
}
mTesting = true;
mTestProc->start(TDEProcess::NotifyOnExit);
}
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotStopTest()
{
if (mTestProc->isRunning()) {
mTestProc->kill();
}
releaseMouse();
releaseKeyboard();
mTestWin->hide();
mTestBt->setEnabled(true);
mPrevSelected = -1;
setMonitor();
mTesting = false;
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotTimeoutChanged(int to )
{
mTimeout = to * 60;
mChanged = true;
emit changed(true);
}
//-----------------------------------------------------------------------
//
void KScreenSaver::slotLockTimeoutChanged(int to )
{
mLockTimeout = to * 1000;
mChanged = true;
emit changed(true);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotLock( bool l )
{
mLock = l;
mLockLbl->setEnabled( l );
mWaitLockEdit->setEnabled( l );
mChanged = true;
emit changed(true);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotDelaySaverStart( bool d )
{
if (mDelaySaverStartCheckBox->isEnabled()) mDelaySaverStart = d;
processLockouts();
mChanged = true;
emit changed(true);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotUseTSAK( bool u )
{
if (mUseTSAKCheckBox->isEnabled()) mUseTSAK = u;
processLockouts();
mChanged = true;
emit changed(true);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotUseUnmanagedLockWindows( bool u )
{
if (mUseUnmanagedLockWindowsCheckBox->isEnabled()) mUseUnmanagedLockWindows = u;
processLockouts();
mChanged = true;
emit changed(true);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotHideActiveWindowsFromSaver( bool h )
{
if (mHideActiveWindowsFromSaverCheckBox->isEnabled()) mHideActiveWindowsFromSaver = h;
processLockouts();
mChanged = true;
emit changed(true);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotHideCancelButton( bool h )
{
if (mHideCancelButtonCheckBox->isEnabled()) mHideCancelButton = h;
processLockouts();
mChanged = true;
emit changed(true);
}
//---------------------------------------------------------------------------
//
void KScreenSaver::slotSetupDone(TDEProcess *)
{
mPrevSelected = -1; // see ugly hack in slotPreviewExited()
setMonitor();
mSetupBt->setEnabled( true );
emit changed(true);
}
#include "scrnsave.moc"
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