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tdebase/kcontrol/tdm/tdm-appear.cpp

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/*
This file is part of the KDE Display Manager Configuration package
Copyright (C) 1997-1998 Thomas Tanghus (tanghus@earthling.net)
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 Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <unistd.h>
#include <sys/types.h>
#include <stdlib.h>
#include <sys/types.h>
#include <signal.h>
#include <tqbuttongroup.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqradiobutton.h>
#include <tqwhatsthis.h>
#include <tqvalidator.h>
#include <tqstylefactory.h>
#include <tqcheckbox.h>
#include <tqstyle.h>
#include <klocale.h>
#include <klineedit.h>
#include <kimageio.h>
#include <kcombobox.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
#include <tdeio/netaccess.h>
#include <kiconloader.h>
#include <kurldrag.h>
#include <kimagefilepreview.h>
#include "tdm-appear.h"
#include "kbackedcombobox.h"
#include "config.h"
extern KSimpleConfig *config;
#define TSAK_LOCTDEFILE "/tmp/tdesocket-global/tsak.lock"
TDMAppearanceWidget::TDMAppearanceWidget(TQWidget *parent, const char *name)
: TQWidget(parent, name), sakwarning(0)
{
TQString wtstr;
TQVBoxLayout *vbox = new TQVBoxLayout(this, KDialog::marginHint(),
KDialog::spacingHint(), "vbox");
TQGroupBox *group = new TQGroupBox(i18n("Appearance"), this);
vbox->addWidget(group);
TQGridLayout *grid = new TQGridLayout( group, 5, 2, KDialog::marginHint(),
KDialog::spacingHint(), "grid");
grid->addRowSpacing(0, group->fontMetrics().height());
grid->setColStretch(0, 1);
grid->setColStretch(1, 1);
TQHBoxLayout *hlay = new TQHBoxLayout( KDialog::spacingHint() );
grid->addMultiCellLayout(hlay, 1,1, 0,1);
greetstr_lined = new KLineEdit(group);
TQLabel *label = new TQLabel(greetstr_lined, i18n("&Greeting:"), group);
hlay->addWidget(label);
connect(greetstr_lined, TQT_SIGNAL(textChanged(const TQString&)),
TQT_SLOT(changed()));
hlay->addWidget(greetstr_lined);
wtstr = i18n("This is the \"headline\" for TDM's login window. You may want to "
"put some nice greeting or information about the operating system here.<p>"
"TDM will substitute the following character pairs with the "
"respective contents:<br><ul>"
"<li>%d -> current display</li>"
"<li>%h -> host name, possibly with domain name</li>"
"<li>%n -> node name, most probably the host name without domain name</li>"
"<li>%s -> the operating system</li>"
"<li>%r -> the operating system's version</li>"
"<li>%m -> the machine (hardware) type</li>"
"<li>%% -> a single %</li>"
"</ul>" );
TQWhatsThis::add( label, wtstr );
TQWhatsThis::add( greetstr_lined, wtstr );
TQGridLayout *hglay = new TQGridLayout( 3, 4, KDialog::spacingHint() );
grid->addMultiCellLayout(hglay, 2,4, 0,0);
label = new TQLabel(i18n("Logo area:"), group);
hglay->addWidget(label, 0, 0);
TQVBoxLayout *vlay = new TQVBoxLayout( KDialog::spacingHint() );
hglay->addMultiCellLayout(vlay, 0,0, 1,2);
noneRadio = new TQRadioButton( i18n("logo area", "&None"), group );
clockRadio = new TQRadioButton( i18n("Show cloc&k"), group );
logoRadio = new TQRadioButton( i18n("Sho&w logo"), group );
TQButtonGroup *buttonGroup = new TQButtonGroup( group );
label->setBuddy( buttonGroup );
connect( buttonGroup, TQT_SIGNAL(clicked(int)), TQT_SLOT(slotAreaRadioClicked(int)) );
connect( buttonGroup, TQT_SIGNAL(clicked(int)), TQT_SLOT(changed()) );
buttonGroup->hide();
buttonGroup->insert(noneRadio, KdmNone);
buttonGroup->insert(clockRadio, KdmClock);
buttonGroup->insert(logoRadio, KdmLogo);
vlay->addWidget(noneRadio);
vlay->addWidget(clockRadio);
vlay->addWidget(logoRadio);
wtstr = i18n("You can choose to display a custom logo (see below), a clock or no logo at all.");
TQWhatsThis::add( label, wtstr );
TQWhatsThis::add( noneRadio, wtstr );
TQWhatsThis::add( logoRadio, wtstr );
TQWhatsThis::add( clockRadio, wtstr );
logoLabel = new TQLabel(i18n("&Logo:"), group);
logobutton = new TQPushButton(group);
logoLabel->setBuddy( logobutton );
logobutton->setAutoDefault(false);
logobutton->setAcceptDrops(true);
logobutton->installEventFilter(this); // for drag and drop
connect(logobutton, TQT_SIGNAL(clicked()), TQT_SLOT(slotLogoButtonClicked()));
hglay->addWidget(logoLabel, 1, 0);
hglay->addWidget(logobutton, 1, 1, Qt::AlignCenter);
hglay->addRowSpacing(1, 110);
wtstr = i18n("Click here to choose an image that TDM will display. "
"You can also drag and drop an image onto this button "
"(e.g. from Konqueror).");
TQWhatsThis::add( logoLabel, wtstr );
TQWhatsThis::add( logobutton, wtstr );
hglay->addRowSpacing( 2, KDialog::spacingHint());
hglay->setColStretch( 3, 1);
hglay = new TQGridLayout( 2, 3, KDialog::spacingHint() );
grid->addLayout(hglay, 2, 1);
label = new TQLabel(i18n("Position:"), group);
hglay->addMultiCellWidget(label, 0,1, 0,0, Qt::AlignVCenter);
TQValidator *posValidator = new TQIntValidator(0, 100, TQT_TQOBJECT(group));
TQLabel *xLineLabel = new TQLabel(i18n("&X:"), group);
hglay->addWidget(xLineLabel, 0, 1);
xLineEdit = new TQLineEdit (group);
connect( xLineEdit, TQT_SIGNAL( textChanged(const TQString&) ), TQT_SLOT( changed() ));
hglay->addWidget(xLineEdit, 0, 2);
xLineLabel->setBuddy(xLineEdit);
xLineEdit->setValidator(posValidator);
TQLabel *yLineLabel = new TQLabel(i18n("&Y:"), group);
hglay->addWidget(yLineLabel, 1, 1);
yLineEdit = new TQLineEdit (group);
connect( yLineEdit, TQT_SIGNAL( textChanged(const TQString&) ), TQT_SLOT( changed() ));
hglay->addWidget(yLineEdit, 1, 2);
yLineLabel->setBuddy(yLineEdit);
yLineEdit->setValidator(posValidator);
wtstr = i18n("Here you specify the relative coordinates (in percent) of the login dialog's <em>center</em>.");
TQWhatsThis::add( label, wtstr );
TQWhatsThis::add( xLineLabel, wtstr );
TQWhatsThis::add( xLineEdit, wtstr );
TQWhatsThis::add( yLineLabel, wtstr );
TQWhatsThis::add( yLineEdit, wtstr );
hglay->setColStretch( 3, 1);
hglay->setRowStretch( 2, 1);
hglay = new TQGridLayout( 2, 3, KDialog::spacingHint() );
grid->addLayout(hglay, 3, 1);
hglay->setColStretch(3, 1);
compositorcombo = new KBackedComboBox(group);
compositorcombo->insertItem( "", i18n("None") );
compositorcombo->insertItem( "kompmgr", i18n("Trinity compositor") );
label = new TQLabel(compositorcombo, i18n("Compositor:"), group);
connect(compositorcombo, TQT_SIGNAL(activated(int)), TQT_SLOT(changed()));
hglay->addWidget(label, 0, 0);
hglay->addWidget(compositorcombo, 0, 1);
wtstr = i18n("Choose a compositor to be used in TDM. Note that the chosen compositor will continue to run after login.");
TQWhatsThis::add( label, wtstr );
TQWhatsThis::add( compositorcombo, wtstr );
guicombo = new KBackedComboBox(group);
guicombo->insertItem( "", i18n("<default>") );
loadGuiStyles(guicombo);
guicombo->listBox()->sort();
label = new TQLabel(guicombo, i18n("GUI s&tyle:"), group);
connect(guicombo, TQT_SIGNAL(activated(int)), TQT_SLOT(changed()));
hglay->addWidget(label, 1, 0);
hglay->addWidget(guicombo, 1, 1);
wtstr = i18n("You can choose a basic GUI style here that will be "
"used by TDM only.");
TQWhatsThis::add( label, wtstr );
TQWhatsThis::add( guicombo, wtstr );
colcombo = new KBackedComboBox(group);
colcombo->insertItem( "", i18n("<default>") );
loadColorSchemes(colcombo);
colcombo->listBox()->sort();
label = new TQLabel(colcombo, i18n("&Color scheme:"), group);
connect(colcombo, TQT_SIGNAL(activated(int)), TQT_SLOT(changed()));
hglay->addWidget(label, 2, 0);
hglay->addWidget(colcombo, 2, 1);
wtstr = i18n("You can choose a basic Color Scheme here that will be "
"used by TDM only.");
TQWhatsThis::add( label, wtstr );
TQWhatsThis::add( colcombo, wtstr );
echocombo = new KBackedComboBox(group);
echocombo->insertItem("NoEcho", i18n("No Echo"));
echocombo->insertItem("OneStar", i18n("One Star"));
echocombo->insertItem("ThreeStars", i18n("Three Stars"));
label = new TQLabel(echocombo, i18n("Echo &mode:"), group);
connect(echocombo, TQT_SIGNAL(activated(int)), TQT_SLOT(changed()));
hglay->addWidget(label, 3, 0);
hglay->addWidget(echocombo, 3, 1);
wtstr = i18n("You can choose whether and how TDM shows your password when you type it.");
TQWhatsThis::add( label, wtstr );
TQWhatsThis::add( echocombo, wtstr );
// The Language group box
group = new TQGroupBox(0, Qt::Vertical, i18n("Locale"), this);
vbox->addWidget(group);
langcombo = new KLanguageButton(group);
loadLanguageList(langcombo);
connect(langcombo, TQT_SIGNAL(activated(const TQString &)), TQT_SLOT(changed()));
label = new TQLabel(langcombo, i18n("Languag&e:"), group);
TQGridLayout *hbox = new TQGridLayout( group->layout(), 2, 2, KDialog::spacingHint() );
hbox->setColStretch(1, 1);
hbox->addWidget(label, 1, 0);
hbox->addWidget(langcombo, 1, 1);
wtstr = i18n("Here you can choose the language used by TDM. This setting does not affect"
" a user's personal settings; that will take effect after login.");
TQWhatsThis::add( label, wtstr );
TQWhatsThis::add( langcombo, wtstr );
// The SAK group box
group = new TQGroupBox(0, Qt::Vertical, i18n("Secure Attention Key"), this);
vbox->addWidget(group);
sakbox = new TQCheckBox( i18n("Enable Secure Attention Key"), group );
connect( sakbox, TQT_SIGNAL(toggled(bool)), TQT_SLOT(changed()) );
TQGridLayout *hbox2 = new TQGridLayout( group->layout(), 2, 2, KDialog::spacingHint() );
hbox2->setColStretch(1, 1);
hbox2->addWidget(sakbox, 1, 0);
if (getuid() == 0 && config->checkConfigFilesWritable( true )) {
if (system(KDE_BINDIR "/tsak checkdeps") != 0) {
sakbox->setEnabled(false);
sakwarning = new TQLabel( i18n("Secure Attention Key support is not available on your system. Please check for the presence of evdev and uinput."), group );
hbox2->addWidget(sakwarning, 2, 0);
}
}
wtstr = i18n("Here you can enable or disable the Secure Attention Key [SAK] anti-spoofing measure.");
TQWhatsThis::add( sakbox, wtstr );
vbox->addStretch(1);
}
void TDMAppearanceWidget::makeReadOnly()
{
disconnect( logobutton, TQT_SIGNAL(clicked()),
this, TQT_SLOT(slotLogoButtonClicked()) );
logobutton->setAcceptDrops(false);
greetstr_lined->setReadOnly(true);
noneRadio->setEnabled(false);
clockRadio->setEnabled(false);
logoRadio->setEnabled(false);
xLineEdit->setEnabled(false);
yLineEdit->setEnabled(false);
compositorcombo->setEnabled(false);
guicombo->setEnabled(false);
colcombo->setEnabled(false);
echocombo->setEnabled(false);
langcombo->setEnabled(false);
sakbox->setEnabled(false);
}
void TDMAppearanceWidget::loadLanguageList(KLanguageButton *combo)
{
TQStringList langlist = TDEGlobal::dirs()->findAllResources("locale",
TQString::fromLatin1("*/entry.desktop"));
langlist.sort();
for ( TQStringList::ConstIterator it = langlist.begin();
it != langlist.end(); ++it )
{
TQString fpath = (*it).left((*it).length() - 14);
int index = fpath.findRev('/');
TQString nid = fpath.mid(index + 1);
KSimpleConfig entry(*it);
entry.setGroup(TQString::fromLatin1("KCM Locale"));
TQString name = entry.readEntry(TQString::fromLatin1("Name"), i18n("without name"));
combo->insertLanguage(nid, name, TQString::fromLatin1("l10n/"), TQString::null);
}
}
void TDMAppearanceWidget::loadColorSchemes(KBackedComboBox *combo)
{
// XXX: Global + local schemes
TQStringList list = TDEGlobal::dirs()->
findAllResources("data", "kdisplay/color-schemes/*.kcsrc", false, true);
for (TQStringList::ConstIterator it = list.begin(); it != list.end(); ++it)
{
KSimpleConfig config(*it, true);
config.setGroup("Color Scheme");
TQString str;
if (!(str = config.readEntry("Name")).isEmpty() ||
!(str = config.readEntry("name")).isEmpty())
{
TQString str2 = (*it).mid( (*it).findRev( '/' ) + 1 ); // strip off path
str2.setLength( str2.length() - 6 ); // strip off ".kcsrc
combo->insertItem( str2, str );
}
}
}
void TDMAppearanceWidget::loadGuiStyles(KBackedComboBox *combo)
{
// XXX: Global + local schemes
TQStringList list = TDEGlobal::dirs()->
findAllResources("data", "kstyle/themes/*.themerc", false, true);
for (TQStringList::ConstIterator it = list.begin(); it != list.end(); ++it)
{
KSimpleConfig config(*it, true);
if (!(config.hasGroup("KDE") && config.hasGroup("Misc")))
continue;
config.setGroup("Desktop Entry");
if (config.readBoolEntry("Hidden", false))
continue;
config.setGroup("KDE");
TQString str2 = config.readEntry("WidgetStyle");
if (str2.isNull())
continue;
config.setGroup("Misc");
combo->insertItem( str2, config.readEntry("Name") );
}
}
bool TDMAppearanceWidget::setLogo(TQString logo)
{
TQString flogo = logo.isEmpty() ?
locate("data", TQString::fromLatin1("tdm/pics/kdelogo.png") ) :
logo;
TQImage p(flogo);
if (p.isNull())
return false;
if (p.width() > 100 || p.height() > 100)
p = p.smoothScale(100, 100, TQ_ScaleMin);
logobutton->setPixmap(p);
uint bd = style().pixelMetric( TQStyle::PM_ButtonMargin ) * 2;
logobutton->setFixedSize(p.width() + bd, p.height() + bd);
logopath = logo;
return true;
}
void TDMAppearanceWidget::slotLogoButtonClicked()
{
KImageIO::registerFormats();
KFileDialog dialogue(locate("data", TQString::fromLatin1("tdm/pics/")),
KImageIO::pattern( KImageIO::Reading ),
this, 0, true);
dialogue.setOperationMode( KFileDialog::Opening );
dialogue.setMode( KFile::File | KFile::LocalOnly );
KImageFilePreview* imagePreview = new KImageFilePreview( &dialogue );
dialogue.setPreviewWidget( imagePreview );
if (dialogue.exec() == TQDialog::Accepted) {
if ( setLogo(dialogue.selectedFile()) ) {
changed();
}
}
}
void TDMAppearanceWidget::slotAreaRadioClicked(int id)
{
logobutton->setEnabled( id == KdmLogo );
logoLabel->setEnabled( id == KdmLogo );
}
bool TDMAppearanceWidget::eventFilter(TQObject *, TQEvent *e)
{
if (e->type() == TQEvent::DragEnter) {
iconLoaderDragEnterEvent((TQDragEnterEvent *) e);
return true;
}
if (e->type() == TQEvent::Drop) {
iconLoaderDropEvent((TQDropEvent *) e);
return true;
}
return false;
}
void TDMAppearanceWidget::iconLoaderDragEnterEvent(TQDragEnterEvent *e)
{
e->accept(KURLDrag::canDecode(e));
}
KURL *decodeImgDrop(TQDropEvent *e, TQWidget *wdg);
void TDMAppearanceWidget::iconLoaderDropEvent(TQDropEvent *e)
{
KURL pixurl;
bool istmp;
KURL *url = decodeImgDrop(e, this);
if (url) {
// we gotta check if it is a non-local file and make a tmp copy at the hd.
if(!url->isLocalFile()) {
pixurl.setPath(TDEGlobal::dirs()->resourceDirs("data").last() +
"tdm/pics/" + url->fileName());
TDEIO::NetAccess::copy(*url, pixurl, parentWidget());
istmp = true;
} else {
pixurl = *url;
istmp = false;
}
// By now url should be "file:/..."
if (!setLogo(pixurl.path())) {
TDEIO::NetAccess::del(pixurl, parentWidget());
TQString msg = i18n("There was an error loading the image:\n"
"%1\n"
"It will not be saved.")
.arg(pixurl.path());
KMessageBox::sorry(this, msg);
}
delete url;
}
}
void TDMAppearanceWidget::save()
{
config->setGroup("X-*-Greeter");
config->writeEntry("GreetString", greetstr_lined->text());
config->writeEntry("LogoArea", noneRadio->isChecked() ? "None" :
logoRadio->isChecked() ? "Logo" : "Clock" );
config->writeEntry("LogoPixmap", TDEGlobal::iconLoader()->iconPath(logopath, KIcon::Desktop, true));
config->writeEntry("Compositor", compositorcombo->currentId());
config->writeEntry("GUIStyle", guicombo->currentId());
config->writeEntry("ColorScheme", colcombo->currentId());
config->writeEntry("EchoMode", echocombo->currentId());
config->writeEntry("GreeterPos", xLineEdit->text() + ',' + yLineEdit->text());
config->writeEntry("Language", langcombo->current());
if (!sakwarning) {
config->writeEntry("UseSAK", sakbox->isChecked());
}
// Enable/disable tsak as needed
if (sakbox->isChecked()) {
system(KDE_BINDIR "/tsak");
}
else {
// Get PID
TQFile file(TSAK_LOCTDEFILE);
if (file.open(IO_ReadOnly)) {
TQTextStream stream(&file);
unsigned long tsakpid = stream.readLine().toULong();
file.close();
kill(tsakpid, SIGTERM);
}
}
}
void TDMAppearanceWidget::load()
{
config->setGroup("X-*-Greeter");
// Read the greeting string
greetstr_lined->setText(config->readEntry("GreetString", i18n("Welcome to %n")));
// Regular logo or clock
TQString logoArea = config->readEntry("LogoArea", "Logo" );
if (logoArea == "Clock") {
clockRadio->setChecked(true);
slotAreaRadioClicked(KdmClock);
} else if (logoArea == "Logo") {
logoRadio->setChecked(true);
slotAreaRadioClicked(KdmLogo);
} else {
noneRadio->setChecked(true);
slotAreaRadioClicked(KdmNone);
}
// See if we use alternate logo
setLogo(config->readEntry("LogoPixmap"));
// Check the current compositor type
compositorcombo->setCurrentId(config->readEntry("Compositor"));
// Check the GUI type
guicombo->setCurrentId(config->readEntry("GUIStyle"));
// Check the Color Scheme
colcombo->setCurrentId(config->readEntry("ColorScheme"));
// Check the echo mode
echocombo->setCurrentId(config->readEntry("EchoMode", "OneStar"));
TQStringList sl = config->readListEntry( "GreeterPos" );
if (sl.count() != 2) {
xLineEdit->setText( "50" );
yLineEdit->setText( "50" );
} else {
xLineEdit->setText( sl.first() );
yLineEdit->setText( sl.last() );
}
// get the language
langcombo->setCurrentItem(config->readEntry("Language", "C"));
// See if the SAK is enabled
if (!sakwarning) {
sakbox->setChecked(config->readBoolEntry("UseSAK", true));
}
else {
sakbox->setChecked(false);
}
}
void TDMAppearanceWidget::defaults()
{
greetstr_lined->setText( i18n("Welcome to %n") );
logoRadio->setChecked( true );
slotAreaRadioClicked( KdmLogo );
setLogo( "" );
compositorcombo->setCurrentId( "" );
guicombo->setCurrentId( "" );
colcombo->setCurrentId( "" );
echocombo->setCurrentItem( "OneStar" );
xLineEdit->setText( "50" );
yLineEdit->setText( "50" );
langcombo->setCurrentItem( "en_US" );
}
TQString TDMAppearanceWidget::quickHelp() const
{
return i18n("<h1>TDM - Appearance</h1> Here you can configure the basic appearance"
" of the TDM login manager, i.e. a greeting string, an icon etc.<p>"
" For further refinement of TDM's appearance, see the \"Font\" and \"Background\" "
" tabs.");
}
void TDMAppearanceWidget::changed()
{
emit changed(true);
}
#include "tdm-appear.moc"