Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 516 insertions, 0 deletions

diff --git a/kcontrol/kdm/kdm-appear.cpp b/kcontrol/kdm/kdm-appear.cpp
new file mode 100644
index 000000000..684371d74
--- /dev/null
+++ b/kcontrol/kdm/kdm-appear.cpp
@@ -0,0 +1,516 @@
+/*
+  This file is part of the KDE Display Manager Configuration package
+  Copyright (C) 1997-1998 Thomas Tanghus ([email protected])
+
+  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 <qbuttongroup.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qradiobutton.h>
+#include <qwhatsthis.h>
+#include <qvalidator.h>
+#include <qstylefactory.h>
+#include <qstyle.h>
+
+#include <klocale.h>
+#include <klineedit.h>
+#include <kimageio.h>
+#include <kcombobox.h>
+#include <kmessagebox.h>
+#include <kstandarddirs.h>
+#include <kio/netaccess.h>
+#include <kiconloader.h>
+#include <kurldrag.h>
+#include <kimagefilepreview.h>
+
+#include "kdm-appear.h"
+#include "kbackedcombobox.h"
+
+extern KSimpleConfig *config;
+
+
+KDMAppearanceWidget::KDMAppearanceWidget(QWidget *parent, const char *name)
+  : QWidget(parent, name)
+{
+  QString wtstr;
+
+  QVBoxLayout *vbox = new QVBoxLayout(this, KDialog::marginHint(),
+                      KDialog::spacingHint(), "vbox");
+  QGroupBox *group = new QGroupBox(i18n("Appearance"), this);
+  vbox->addWidget(group);
+
+  QGridLayout *grid = new QGridLayout( group, 5, 2, KDialog::marginHint(),
+                       KDialog::spacingHint(), "grid");
+  grid->addRowSpacing(0, group->fontMetrics().height());
+  grid->setColStretch(0, 1);
+  grid->setColStretch(1, 1);
+
+  QHBoxLayout *hlay = new QHBoxLayout( KDialog::spacingHint() );
+  grid->addMultiCellLayout(hlay, 1,1, 0,1);
+  greetstr_lined = new KLineEdit(group);
+  QLabel *label = new QLabel(greetstr_lined, i18n("&Greeting:"), group);
+  hlay->addWidget(label);
+  connect(greetstr_lined, SIGNAL(textChanged(const QString&)),
+      SLOT(changed()));
+  hlay->addWidget(greetstr_lined);
+  wtstr = i18n("This is the \"headline\" for KDM's login window. You may want to "
+           "put some nice greeting or information about the operating system here.<p>"
+           "KDM 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>" );
+  QWhatsThis::add( label, wtstr );
+  QWhatsThis::add( greetstr_lined, wtstr );
+
+
+  QGridLayout *hglay = new QGridLayout( 3, 4, KDialog::spacingHint() );
+  grid->addMultiCellLayout(hglay, 2,4, 0,0);
+
+  label = new QLabel(i18n("Logo area:"), group);
+  hglay->addWidget(label, 0, 0);
+  QVBoxLayout *vlay = new QVBoxLayout( KDialog::spacingHint() );
+  hglay->addMultiCellLayout(vlay, 0,0, 1,2);
+  noneRadio = new QRadioButton( i18n("logo area", "&None"), group );
+  clockRadio = new QRadioButton( i18n("Show cloc&k"), group );
+  logoRadio = new QRadioButton( i18n("Sho&w logo"), group );
+  QButtonGroup *buttonGroup = new QButtonGroup( group );
+  label->setBuddy( buttonGroup );
+  connect( buttonGroup, SIGNAL(clicked(int)), SLOT(slotAreaRadioClicked(int)) );
+  connect( buttonGroup, SIGNAL(clicked(int)), 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.");
+  QWhatsThis::add( label, wtstr );
+  QWhatsThis::add( noneRadio, wtstr );
+  QWhatsThis::add( logoRadio, wtstr );
+  QWhatsThis::add( clockRadio, wtstr );
+
+  logoLabel = new QLabel(i18n("&Logo:"), group);
+  logobutton = new QPushButton(group);
+  logoLabel->setBuddy( logobutton );
+  logobutton->setAutoDefault(false);
+  logobutton->setAcceptDrops(true);
+  logobutton->installEventFilter(this); // for drag and drop
+  connect(logobutton, SIGNAL(clicked()), SLOT(slotLogoButtonClicked()));
+  hglay->addWidget(logoLabel, 1, 0);
+  hglay->addWidget(logobutton, 1, 1, AlignCenter);
+  hglay->addRowSpacing(1, 110);
+  wtstr = i18n("Click here to choose an image that KDM will display. "
+	       "You can also drag and drop an image onto this button "
+	       "(e.g. from Konqueror).");
+  QWhatsThis::add( logoLabel, wtstr );
+  QWhatsThis::add( logobutton, wtstr );
+  hglay->addRowSpacing( 2, KDialog::spacingHint());
+  hglay->setColStretch( 3, 1);
+
+
+  hglay = new QGridLayout( 2, 3, KDialog::spacingHint() );
+  grid->addLayout(hglay, 2, 1);
+
+  label = new QLabel(i18n("Position:"), group);
+  hglay->addMultiCellWidget(label, 0,1, 0,0, AlignVCenter);
+  QValidator *posValidator = new QIntValidator(0, 100, group);
+  QLabel *xLineLabel = new QLabel(i18n("&X:"), group);
+  hglay->addWidget(xLineLabel, 0, 1);
+  xLineEdit = new QLineEdit (group);
+  connect( xLineEdit, SIGNAL( textChanged(const QString&) ), SLOT( changed() ));
+  hglay->addWidget(xLineEdit, 0, 2);
+  xLineLabel->setBuddy(xLineEdit);
+  xLineEdit->setValidator(posValidator);
+  QLabel *yLineLabel = new QLabel(i18n("&Y:"), group);
+  hglay->addWidget(yLineLabel, 1, 1);
+  yLineEdit = new QLineEdit (group);
+  connect( yLineEdit, SIGNAL( textChanged(const QString&) ), 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>.");
+  QWhatsThis::add( label, wtstr );
+  QWhatsThis::add( xLineLabel, wtstr );
+  QWhatsThis::add( xLineEdit, wtstr );
+  QWhatsThis::add( yLineLabel, wtstr );
+  QWhatsThis::add( yLineEdit, wtstr );
+  hglay->setColStretch( 3, 1);
+  hglay->setRowStretch( 2, 1);
+
+
+  hglay = new QGridLayout( 2, 3, KDialog::spacingHint() );
+  grid->addLayout(hglay, 3, 1);
+  hglay->setColStretch(3, 1);
+
+  guicombo = new KBackedComboBox(group);
+  guicombo->insertItem( "", i18n("<default>") );
+  loadGuiStyles(guicombo);
+  guicombo->listBox()->sort();
+  label = new QLabel(guicombo, i18n("GUI s&tyle:"), group);
+  connect(guicombo, SIGNAL(activated(int)), SLOT(changed()));
+  hglay->addWidget(label, 0, 0);
+  hglay->addWidget(guicombo, 0, 1);
+  wtstr = i18n("You can choose a basic GUI style here that will be "
+        "used by KDM only.");
+  QWhatsThis::add( label, wtstr );
+  QWhatsThis::add( guicombo, wtstr );
+
+  colcombo = new KBackedComboBox(group);
+  colcombo->insertItem( "", i18n("<default>") );
+  loadColorSchemes(colcombo);
+  colcombo->listBox()->sort();
+  label = new QLabel(colcombo, i18n("&Color scheme:"), group);
+  connect(colcombo, SIGNAL(activated(int)), SLOT(changed()));
+  hglay->addWidget(label, 1, 0);
+  hglay->addWidget(colcombo, 1, 1);
+  wtstr = i18n("You can choose a basic Color Scheme here that will be "
+        "used by KDM only.");
+  QWhatsThis::add( label, wtstr );
+  QWhatsThis::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 QLabel(echocombo, i18n("Echo &mode:"), group);
+  connect(echocombo, SIGNAL(activated(int)), SLOT(changed()));
+  hglay->addWidget(label, 2, 0);
+  hglay->addWidget(echocombo, 2, 1);
+  wtstr = i18n("You can choose whether and how KDM shows your password when you type it.");
+  QWhatsThis::add( label, wtstr );
+  QWhatsThis::add( echocombo, wtstr );
+
+
+  // The Language group box
+  group = new QGroupBox(0, Vertical, i18n("Locale"), this);
+  vbox->addWidget(group);
+
+  langcombo = new KLanguageButton(group);
+  loadLanguageList(langcombo);
+  connect(langcombo, SIGNAL(activated(const QString &)), SLOT(changed()));
+  label = new QLabel(langcombo, i18n("Languag&e:"), group);
+  QGridLayout *hbox = new QGridLayout( 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 KDM. This setting does not affect"
+    " a user's personal settings; that will take effect after login.");
+  QWhatsThis::add( label, wtstr );
+  QWhatsThis::add( langcombo, wtstr );
+
+
+  vbox->addStretch(1);
+
+}
+
+void KDMAppearanceWidget::makeReadOnly()
+{
+    disconnect( logobutton, SIGNAL(clicked()),
+		this, SLOT(slotLogoButtonClicked()) );
+    logobutton->setAcceptDrops(false);
+    greetstr_lined->setReadOnly(true);
+    noneRadio->setEnabled(false);
+    clockRadio->setEnabled(false);
+    logoRadio->setEnabled(false);
+    xLineEdit->setEnabled(false);
+    yLineEdit->setEnabled(false);
+    guicombo->setEnabled(false);
+    colcombo->setEnabled(false);
+    echocombo->setEnabled(false);
+    langcombo->setEnabled(false);
+}
+
+void KDMAppearanceWidget::loadLanguageList(KLanguageButton *combo)
+{
+  QStringList langlist = KGlobal::dirs()->findAllResources("locale",
+			QString::fromLatin1("*/entry.desktop"));
+  langlist.sort();
+  for ( QStringList::ConstIterator it = langlist.begin();
+	it != langlist.end(); ++it )
+  {
+    QString fpath = (*it).left((*it).length() - 14);
+    int index = fpath.findRev('/');
+    QString nid = fpath.mid(index + 1);
+
+    KSimpleConfig entry(*it);
+    entry.setGroup(QString::fromLatin1("KCM Locale"));
+    QString name = entry.readEntry(QString::fromLatin1("Name"), i18n("without name"));
+    combo->insertLanguage(nid, name, QString::fromLatin1("l10n/"), QString::null);
+  }
+}
+
+void KDMAppearanceWidget::loadColorSchemes(KBackedComboBox *combo)
+{
+  // XXX: Global + local schemes
+  QStringList list = KGlobal::dirs()->
+      findAllResources("data", "kdisplay/color-schemes/*.kcsrc", false, true);
+  for (QStringList::ConstIterator it = list.begin(); it != list.end(); ++it)
+  {
+    KSimpleConfig config(*it, true);
+    config.setGroup("Color Scheme");
+
+    QString str;
+    if (!(str = config.readEntry("Name")).isEmpty() ||
+	!(str = config.readEntry("name")).isEmpty())
+    {
+	QString str2 = (*it).mid( (*it).findRev( '/' ) + 1 ); // strip off path
+	str2.setLength( str2.length() - 6 ); // strip off ".kcsrc
+        combo->insertItem( str2, str );
+    }
+  }
+}
+
+void KDMAppearanceWidget::loadGuiStyles(KBackedComboBox *combo)
+{
+  // XXX: Global + local schemes
+  QStringList list = KGlobal::dirs()->
+      findAllResources("data", "kstyle/themes/*.themerc", false, true);
+  for (QStringList::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");
+    QString str2 = config.readEntry("WidgetStyle");
+    if (str2.isNull())
+	continue;
+
+    config.setGroup("Misc");
+    combo->insertItem( str2, config.readEntry("Name") );
+  }
+}
+
+bool KDMAppearanceWidget::setLogo(QString logo)
+{
+    QString flogo = logo.isEmpty() ?
+                    locate("data", QString::fromLatin1("kdm/pics/kdelogo.png") ) :
+                    logo;
+    QImage p(flogo);
+    if (p.isNull())
+        return false;
+    if (p.width() > 100 || p.height() > 100)
+        p = p.smoothScale(100, 100, QImage::ScaleMin);
+    logobutton->setPixmap(p);
+    uint bd = style().pixelMetric( QStyle::PM_ButtonMargin ) * 2;
+    logobutton->setFixedSize(p.width() + bd, p.height() + bd);
+    logopath = logo;
+    return true;
+}
+
+
+void KDMAppearanceWidget::slotLogoButtonClicked()
+{
+    KImageIO::registerFormats();
+    KFileDialog dialogue(locate("data", QString::fromLatin1("kdm/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() == QDialog::Accepted) {
+	if ( setLogo(dialogue.selectedFile()) ) {
+	    changed();
+	}
+    }
+}
+
+
+void KDMAppearanceWidget::slotAreaRadioClicked(int id)
+{
+    logobutton->setEnabled( id == KdmLogo );
+    logoLabel->setEnabled( id == KdmLogo );
+}
+
+
+bool KDMAppearanceWidget::eventFilter(QObject *, QEvent *e)
+{
+  if (e->type() == QEvent::DragEnter) {
+    iconLoaderDragEnterEvent((QDragEnterEvent *) e);
+    return true;
+  }
+
+  if (e->type() == QEvent::Drop) {
+    iconLoaderDropEvent((QDropEvent *) e);
+    return true;
+  }
+
+  return false;
+}
+
+void KDMAppearanceWidget::iconLoaderDragEnterEvent(QDragEnterEvent *e)
+{
+  e->accept(KURLDrag::canDecode(e));
+}
+
+
+KURL *decodeImgDrop(QDropEvent *e, QWidget *wdg);
+
+void KDMAppearanceWidget::iconLoaderDropEvent(QDropEvent *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(KGlobal::dirs()->resourceDirs("data").last() +
+		     "kdm/pics/" + url->fileName());
+	    KIO::NetAccess::copy(*url, pixurl, parentWidget());
+	    istmp = true;
+	} else {
+	    pixurl = *url;
+	    istmp = false;
+	}
+
+	// By now url should be "file:/..."
+	if (!setLogo(pixurl.path())) {
+	    KIO::NetAccess::del(pixurl, parentWidget());
+	    QString 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 KDMAppearanceWidget::save()
+{
+  config->setGroup("X-*-Greeter");
+
+  config->writeEntry("GreetString", greetstr_lined->text());
+
+  config->writeEntry("LogoArea", noneRadio->isChecked() ? "None" :
+			    logoRadio->isChecked() ? "Logo" : "Clock" );
+
+  config->writeEntry("LogoPixmap", KGlobal::iconLoader()->iconPath(logopath, KIcon::Desktop, true));
+
+  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());
+}
+
+
+void KDMAppearanceWidget::load()
+{
+  config->setGroup("X-*-Greeter");
+
+  // Read the greeting string
+  greetstr_lined->setText(config->readEntry("GreetString", i18n("Welcome to %s at %n")));
+
+  // Regular logo or clock
+  QString 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 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"));
+
+  QStringList 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"));
+}
+
+
+void KDMAppearanceWidget::defaults()
+{
+  greetstr_lined->setText( i18n("Welcome to %s at %n") );
+  logoRadio->setChecked( true );
+  slotAreaRadioClicked( KdmLogo );
+  setLogo( "" );
+  guicombo->setCurrentId( "" );
+  colcombo->setCurrentId( "" );
+  echocombo->setCurrentItem( "OneStar" );
+
+  xLineEdit->setText( "50" );
+  yLineEdit->setText( "50" );
+
+  langcombo->setCurrentItem( "en_US" );
+}
+
+QString KDMAppearanceWidget::quickHelp() const
+{
+  return i18n("<h1>KDM - Appearance</h1> Here you can configure the basic appearance"
+    " of the KDM login manager, i.e. a greeting string, an icon etc.<p>"
+    " For further refinement of KDM's appearance, see the \"Font\" and \"Background\" "
+    " tabs.");
+}
+
+
+void KDMAppearanceWidget::changed()
+{
+  emit changed(true);
+}
+
+#include "kdm-appear.moc"