EditProfileDialog.cpp 49.1 KB
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/*
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    Copyright 2007-2008 by Robert Knight <robertknight@gmail.com>
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    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 General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301  USA.
*/

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// Own
#include "EditProfileDialog.h"

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// Qt
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#include <QtGui/QKeyEvent>
#include <QtGui/QBrush>
#include <QtGui/QPainter>
#include <QtGui/QStandardItem>
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#include <QtCore/QTextCodec>
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#include <QtGui/QLinearGradient>
#include <QtGui/QRadialGradient>

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#include <QtCore/QTimer>
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#include <QtCore/QTimeLine>

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// KDE
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#include <kcodecaction.h>
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#include <KDebug>
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#include <KFontDialog>
#include <KIcon>
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#include <KIconDialog>
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#include <KFileDialog>
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#include <KUrlCompletion>
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#include <KWindowSystem>
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#include <KTextEdit>
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#include <KMessageBox>
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#include <cmath>

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// Konsole
#include "ColorScheme.h"
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#include "ColorSchemeEditor.h"
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#include "ui_EditProfileDialog.h"
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#include "KeyBindingEditor.h"
#include "KeyboardTranslator.h"
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#include "SessionManager.h"
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#include "ShellCommand.h"
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#include "TabTitleFormatAction.h"
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// FIXME: it feels bad to include a big header file just
// in order to use one of its static members.
#include "TerminalDisplay.h"

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using namespace Konsole;

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EditProfileDialog::EditProfileDialog(QWidget* parent)
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    : KDialog(parent)
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    , _colorSchemeAnimationTimeLine(0)
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    , _delayedPreviewTimer(new QTimer(this))
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{
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    setCaption(i18n("Edit Profile"));
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    setButtons( KDialog::Ok | KDialog::Cancel | KDialog::Apply );
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    // disable the apply button , since no modification has been made
    enableButtonApply(false);

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    connect( this , SIGNAL(applyClicked()) , this , SLOT(save()) );
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    connect( _delayedPreviewTimer , SIGNAL(timeout()) , this , SLOT(delayedPreviewActivate()) );
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    _ui = new Ui::EditProfileDialog();
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    _ui->setupUi(mainWidget());
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    // - Renable in a later KDE 4.x release when this feature works again
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    _ui->enableResizeWindowButton->setVisible(false);
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    // there are various setupXYZPage() methods to load the items
    // for each page and update their states to match the profile
    // being edited.
    //
    // these are only called when needed ( ie. when the user clicks
    // the tab to move to that page ).
    //
    // the _pageNeedsUpdate vector keeps track of the pages that have
    // not been updated since the last profile change and will need
    // to be refreshed when the user switches to them
    _pageNeedsUpdate.resize( _ui->tabWidget->count() );
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    connect( _ui->tabWidget , SIGNAL(currentChanged(int)) , this , 
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            SLOT(preparePage(int)) );
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    createTempProfile();
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}
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EditProfileDialog::~EditProfileDialog()
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{
    delete _ui;
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}
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void EditProfileDialog::save()
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{
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    if ( _tempProfile->isEmpty() )
        return;
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    SessionManager::instance()->changeProfile(_profile,_tempProfile->setProperties());
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    // ensure that these settings are not undone by a call
    // to unpreview()
    QHashIterator<Profile::Property,QVariant> iter(_tempProfile->setProperties());
    while ( iter.hasNext() )
    {
        iter.next();
        _previewedProperties.remove(iter.key());
    }
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    createTempProfile();

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    enableButtonApply(false);
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}
void EditProfileDialog::reject()
{
    unpreviewAll();
    KDialog::reject();
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}
void EditProfileDialog::accept()
{
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    Q_ASSERT( _profile );
    Q_ASSERT( _tempProfile );

    if (   ( _tempProfile->isPropertySet(Profile::Name) &&
             _tempProfile->name().isEmpty() )
        || ( _profile->name().isEmpty() && _tempProfile->name().isEmpty() ) )
    {
        KMessageBox::sorry(this,
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                i18n("<p>Each profile must have a name before it can be saved "
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                     "into disk.</p>"));
        return;
    }
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    save();
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    unpreviewAll();
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    KDialog::accept(); 
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}
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QString EditProfileDialog::groupProfileNames(const ProfileGroup::Ptr group, int maxLength)
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{
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    QString caption;
    int count = group->profiles().count();
    for (int i=0;i < count;i++)
    {
        caption += group->profiles()[i]->name();
        if (i < (count-1)) 
        {
            caption += ',';
            // limit caption length to prevent very long window titles
            if (maxLength > 0 && caption.length() > maxLength)
            {
                caption += "...";
                break;
            }
        }
    }
    return caption;
}
void EditProfileDialog::updateCaption(const Profile::Ptr profile)
{
    const int MAX_GROUP_CAPTION_LENGTH = 25;
    ProfileGroup::Ptr group = profile->asGroup(); 
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    if ( group && group->profiles().count() > 1 )
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    {
        QString caption = groupProfileNames(group,MAX_GROUP_CAPTION_LENGTH); 
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        setCaption( i18np( "Editing profile: %2",
                           "Editing %1 profiles: %2",
                           group->profiles().count(),
                           caption ) );
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    }
    else
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    {
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        setCaption( i18n("Edit Profile \"%1\"",profile->name()) );
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    }
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}
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void EditProfileDialog::setProfile(Profile::Ptr profile)
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{
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    Q_ASSERT( profile );
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    _profile = profile;

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    // update caption
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    updateCaption(profile);
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    // mark each page of the dialog as out of date
    // and force an update of the currently visible page
    //
    // the other pages will be updated as necessary
    _pageNeedsUpdate.fill(true);
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    preparePage( _ui->tabWidget->currentIndex() );
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    if ( _tempProfile )
    {
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        createTempProfile();
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    }
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}
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const Profile::Ptr EditProfileDialog::lookupProfile() const
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{
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    return _profile; 
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}
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void EditProfileDialog::preparePage(int page)
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{
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    const Profile::Ptr info = lookupProfile();
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    Q_ASSERT( _pageNeedsUpdate.count() > page );
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    Q_ASSERT( info );

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    QWidget* pageWidget = _ui->tabWidget->widget(page);
    
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    if ( _pageNeedsUpdate[page] )
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    {
       if ( pageWidget == _ui->generalTab )
            setupGeneralPage(info);
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       else if ( pageWidget == _ui->tabsTab )
            setupTabsPage(info);
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       else if ( pageWidget == _ui->appearanceTab )
            setupAppearancePage(info);
       else if ( pageWidget == _ui->scrollingTab )
            setupScrollingPage(info);
       else if ( pageWidget == _ui->keyboardTab )
            setupKeyboardPage(info);
       else if ( pageWidget == _ui->advancedTab )
            setupAdvancedPage(info);
       else
           Q_ASSERT(false);

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        _pageNeedsUpdate[page] = false;
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    }
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    // start page entry animation for color schemes
    if ( pageWidget == _ui->appearanceTab )
            _colorSchemeAnimationTimeLine->start();
}
void EditProfileDialog::selectProfileName()
{
    _ui->profileNameEdit->selectAll();
    _ui->profileNameEdit->setFocus();
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}
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void EditProfileDialog::setupGeneralPage(const Profile::Ptr info)
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{
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    // basic profile options
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    {
        ProfileGroup::Ptr group = info->asGroup(); 
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        if ( !group || group->profiles().count() < 2)
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        {
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            _ui->profileNameEdit->setText( info->name() );
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            _ui->profileNameEdit->setClearButtonShown(true);
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            _ui->emptyNameWarningWidget->setVisible( info->name().isEmpty() );
            _ui->emptyNameWarningWidget->setText(i18n("Profile name is empty."));
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        }
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        else 
        {
            _ui->profileNameEdit->setText( groupProfileNames(group,-1) );
            _ui->profileNameEdit->setEnabled(false);
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            _ui->profileNameLabel->setEnabled(false);
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            _ui->emptyNameWarningWidget->setVisible(false);
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        }
    }
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    ShellCommand command( info->command() , info->arguments() );
    _ui->commandEdit->setText( command.fullCommand() );
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    KUrlCompletion* exeCompletion = new KUrlCompletion(KUrlCompletion::ExeCompletion);
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    exeCompletion->setParent(this);
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    exeCompletion->setDir(QString());
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    _ui->commandEdit->setCompletionObject( exeCompletion );
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    _ui->initialDirEdit->setText( info->defaultWorkingDirectory() );
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    KUrlCompletion* dirCompletion = new KUrlCompletion(KUrlCompletion::DirCompletion);
    dirCompletion->setParent(this);
    _ui->initialDirEdit->setCompletionObject( dirCompletion );
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    _ui->initialDirEdit->setClearButtonShown(true);
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    _ui->dirSelectButton->setIcon( KIcon("folder-open") );
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    _ui->iconSelectButton->setIcon( KIcon(info->icon()) );
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    _ui->startInSameDirButton->setChecked(info->property<bool>(Profile::StartInCurrentSessionDir));
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    // window options
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    _ui->showMenuBarButton->setChecked( info->property<bool>(Profile::ShowMenuBar) );
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    _ui->showTerminalSizeHintButton->setChecked( info->property<bool>(Profile::ShowTerminalSizeHint) );
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    _ui->saveGeometryOnExitButton->setChecked( info->property<bool>(Profile::SaveGeometryOnExit) );
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    // signals and slots
    connect( _ui->dirSelectButton , SIGNAL(clicked()) , this , SLOT(selectInitialDir()) );
    connect( _ui->iconSelectButton , SIGNAL(clicked()) , this , SLOT(selectIcon()) );
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    connect( _ui->startInSameDirButton , SIGNAL(toggled(bool)) , this , 
            SLOT(startInSameDir(bool)));
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    connect( _ui->profileNameEdit , SIGNAL(textChanged(QString)) , this ,
            SLOT(profileNameChanged(QString)) );
    connect( _ui->initialDirEdit , SIGNAL(textChanged(QString)) , this , 
            SLOT(initialDirChanged(QString)) );
    connect(_ui->commandEdit , SIGNAL(textChanged(QString)) , this ,
            SLOT(commandChanged(QString)) ); 
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    connect(_ui->environmentEditButton , SIGNAL(clicked()) , this , 
            SLOT(showEnvironmentEditor()) );
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    connect(_ui->showMenuBarButton , SIGNAL(toggled(bool)) , this , 
            SLOT(showMenuBar(bool)) );
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    connect(_ui->saveGeometryOnExitButton , SIGNAL(toggled(bool)) , this ,
            SLOT(saveGeometryOnExit(bool)) );
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    connect(_ui->showTerminalSizeHintButton , SIGNAL(toggled(bool)) , this ,
            SLOT(showTerminalSizeHint(bool)) );
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}
void EditProfileDialog::showEnvironmentEditor()
{
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    const Profile::Ptr info = lookupProfile();
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    KDialog* dialog = new KDialog(this);
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    KTextEdit* edit = new KTextEdit(dialog);
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    QStringList currentEnvironment = info->property<QStringList>(Profile::Environment);
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    edit->setPlainText( currentEnvironment.join("\n") );
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    edit->setToolTip( i18n("One environment variable per line" ) );
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    dialog->setPlainCaption(i18n("Edit Environment"));
    dialog->setMainWidget(edit);

    if ( dialog->exec() == QDialog::Accepted )
    {
        QStringList newEnvironment = edit->toPlainText().split('\n');
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        updateTempProfileProperty(Profile::Environment,newEnvironment);
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    }

    dialog->deleteLater();
}
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void EditProfileDialog::setupTabsPage(const Profile::Ptr info)
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{
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    // tab title format
    _ui->tabTitleEdit->setClearButtonShown(true);
    _ui->remoteTabTitleEdit->setClearButtonShown(true);
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    _ui->tabTitleEdit->setText( info->property<QString>(Profile::LocalTabTitleFormat) );
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    _ui->remoteTabTitleEdit->setText( 
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            info->property<QString>(Profile::RemoteTabTitleFormat));
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    // tab bar options
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    int tabBarMode = info->property<int>(Profile::TabBarMode);
    int tabBarPosition = info->property<int>(Profile::TabBarPosition);
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    int newTabBehavior = info->property<int>(Profile::NewTabBehavior);
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    // note: Items should be in the same order as the 
    // Profile::TabBarModeEnum enum
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    _ui->tabBarVisibilityCombo->addItems( QStringList() << i18n("Always Hide Tab Bar")
                                                        << i18n("Show Tab Bar When Needed") 
                                                        << i18n("Always Show Tab Bar") );
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    _ui->tabBarVisibilityCombo->setCurrentIndex(tabBarMode);
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    // note: Items should be in the same order as the
    // Profile::TabBarPositionEnum enum
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    _ui->tabBarPositionCombo->addItems( QStringList() << i18n("Below Terminal Displays")
                                                      << i18n("Above Terminal Displays") );
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    _ui->tabBarPositionCombo->setCurrentIndex(tabBarPosition);
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    // note: Items should be in the same order as the
    // Profile::NewTabBehaviorEnum enum
    _ui->newTabBehaviorCombo->addItems( QStringList() << i18n("Put New Tab At The End")
                                                      << i18n("Put New Tab After Current Tab") );
    _ui->newTabBehaviorCombo->setCurrentIndex(newTabBehavior);

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    _ui->newTabButton->setChecked(info->property<bool>(Profile::ShowNewAndCloseTabButtons));
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    // signals and slots
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    connect( _ui->tabBarVisibilityCombo , SIGNAL(activated(int)) , this , 
             SLOT(tabBarVisibilityChanged(int)) );
    connect( _ui->tabBarPositionCombo , SIGNAL(activated(int)) , this ,
             SLOT(tabBarPositionChanged(int)) );
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    connect( _ui->newTabBehaviorCombo , SIGNAL(activated(int)) , this ,
             SLOT(newTabBehaviorChanged(int)) );
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    connect( _ui->newTabButton , SIGNAL(toggled(bool)) , this ,
             SLOT(showNewTabButton(bool)) );
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    connect(_ui->tabTitleEdit , SIGNAL(textChanged(QString)) , this ,
            SLOT(tabTitleFormatChanged(QString)) );
    connect(_ui->remoteTabTitleEdit , SIGNAL(textChanged(QString)) , this ,
            SLOT(remoteTabTitleFormatChanged(QString)));
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    // menus for local and remote tab title dynamic elements
    TabTitleFormatAction* localTabTitleAction = new TabTitleFormatAction(this);
    localTabTitleAction->setContext(Session::LocalTabTitle);
    _ui->tabTitleEditButton->setMenu(localTabTitleAction->menu());
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    connect( localTabTitleAction , SIGNAL(dynamicElementSelected(QString)) , 
            this , SLOT(insertTabTitleText(QString)) );
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    TabTitleFormatAction* remoteTabTitleAction = new TabTitleFormatAction(this);
    remoteTabTitleAction->setContext(Session::RemoteTabTitle);
    _ui->remoteTabTitleEditButton->setMenu(remoteTabTitleAction->menu());
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    connect( remoteTabTitleAction , SIGNAL(dynamicElementSelected(QString)) ,
           this , SLOT(insertRemoteTabTitleText(QString)) ); 
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}
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void EditProfileDialog::showNewTabButton(bool show)
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{
    updateTempProfileProperty(Profile::ShowNewAndCloseTabButtons,show);
}
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void EditProfileDialog::tabBarVisibilityChanged(int newValue)
{
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    updateTempProfileProperty( Profile::TabBarMode , newValue );
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}
void EditProfileDialog::tabBarPositionChanged(int newValue)
{
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    updateTempProfileProperty( Profile::TabBarPosition , newValue );
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}
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void EditProfileDialog::newTabBehaviorChanged(int newValue)
{
    updateTempProfileProperty( Profile::NewTabBehavior , newValue );
}
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void EditProfileDialog::insertTabTitleText(const QString& text)
{
    _ui->tabTitleEdit->insert(text);
}
void EditProfileDialog::insertRemoteTabTitleText(const QString& text)
{
    _ui->remoteTabTitleEdit->insert(text);
}
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void EditProfileDialog::showMenuBar(bool show)
{
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    updateTempProfileProperty(Profile::ShowMenuBar,show);
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}
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void EditProfileDialog::saveGeometryOnExit(bool save)
{
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    updateTempProfileProperty(Profile::SaveGeometryOnExit,save);
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}
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void EditProfileDialog::showTerminalSizeHint(bool show)
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{
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    updateTempProfileProperty(Profile::ShowTerminalSizeHint,show);
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}
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void EditProfileDialog::tabTitleFormatChanged(const QString& format)
{
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    updateTempProfileProperty(Profile::LocalTabTitleFormat,format);
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}
void EditProfileDialog::remoteTabTitleFormatChanged(const QString& format)
{
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    updateTempProfileProperty(Profile::RemoteTabTitleFormat,format);
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}

void EditProfileDialog::selectIcon()
{
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    const QString& icon = KIconDialog::getIcon(KIconLoader::Desktop, KIconLoader::Application,
                                               false, 0, false, this);
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    if (!icon.isEmpty())
    {
        _ui->iconSelectButton->setIcon( KIcon(icon) );
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        updateTempProfileProperty(Profile::Icon,icon);
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    }
}
void EditProfileDialog::profileNameChanged(const QString& text)
{
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    _ui->emptyNameWarningWidget->setVisible(text.isEmpty());

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    updateTempProfileProperty(Profile::Name,text);
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    updateCaption(_tempProfile);
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}
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void EditProfileDialog::startInSameDir(bool sameDir)
{
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    updateTempProfileProperty(Profile::StartInCurrentSessionDir,sameDir);
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}
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void EditProfileDialog::initialDirChanged(const QString& dir)
{
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    updateTempProfileProperty(Profile::Directory,dir);
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}
void EditProfileDialog::commandChanged(const QString& command)
{
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    ShellCommand shellCommand(command);

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    updateTempProfileProperty(Profile::Command,shellCommand.command());
    updateTempProfileProperty(Profile::Arguments,shellCommand.arguments());
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}
void EditProfileDialog::selectInitialDir()
{
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    const KUrl url = KFileDialog::getExistingDirectoryUrl(_ui->initialDirEdit->text(),
                                                          this,
                                                          i18n("Select Initial Directory"));
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    if ( !url.isEmpty() )
        _ui->initialDirEdit->setText(url.path());
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}
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void EditProfileDialog::setupAppearancePage(const Profile::Ptr info)
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{
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    ColorSchemeViewDelegate* delegate = new ColorSchemeViewDelegate(this);
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    _ui->colorSchemeList->setItemDelegate(delegate);
    
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    _colorSchemeAnimationTimeLine = new QTimeLine( 500 , this );
    delegate->setEntryTimeLine(_colorSchemeAnimationTimeLine);
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    connect( _colorSchemeAnimationTimeLine , SIGNAL(valueChanged(qreal)) , this ,
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             SLOT(colorSchemeAnimationUpdate()) );
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    _ui->transparencyWarningWidget->setVisible(false);
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    _ui->editColorSchemeButton->setEnabled(false);
    _ui->removeColorSchemeButton->setEnabled(false);

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    // setup color list
    updateColorSchemeList(true);
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    _ui->colorSchemeList->setMouseTracking(true);
    _ui->colorSchemeList->installEventFilter(this);
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    _ui->colorSchemeList->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOn );
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    connect( _ui->colorSchemeList->selectionModel() , 
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            SIGNAL(selectionChanged(QItemSelection,QItemSelection)) 
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            , this , SLOT(colorSchemeSelected()) );
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    connect( _ui->colorSchemeList , SIGNAL(entered(QModelIndex)) , this , 
            SLOT(previewColorScheme(QModelIndex)) );
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    updateColorSchemeButtons();
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    connect( _ui->editColorSchemeButton , SIGNAL(clicked()) , this , 
            SLOT(editColorScheme()) );
    connect( _ui->removeColorSchemeButton , SIGNAL(clicked()) , this ,
            SLOT(removeColorScheme()) );
    connect( _ui->newColorSchemeButton , SIGNAL(clicked()) , this , 
            SLOT(newColorScheme()) );
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    // setup font preview
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    bool antialias = info->property<bool>(Profile::AntiAliasFonts);
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    QFont font = info->font();
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    font.setStyleStrategy(antialias ? QFont::PreferAntialias : QFont::NoAntialias);
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    _ui->fontPreviewLabel->installEventFilter(this);
    _ui->fontPreviewLabel->setFont(font);
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    setFontSliderRange(font);
    setFontSliderValue(font);
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    connect( _ui->fontSizeSlider , SIGNAL(valueChanged(int)) , this ,
             SLOT(setFontSize(int)) );
    connect( _ui->editFontButton , SIGNAL(clicked()) , this ,
             SLOT(showFontDialog()) );
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    // setup font smoothing 
    _ui->antialiasTextButton->setChecked(antialias);
    connect( _ui->antialiasTextButton , SIGNAL(toggled(bool)) , this , 
             SLOT(setAntialiasText(bool)) );
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    bool boldIntense = info->property<bool>(Profile::BoldIntense);
    _ui->boldIntenseButton->setChecked(boldIntense);
    connect( _ui->boldIntenseButton , SIGNAL(toggled(bool)) , this ,
             SLOT(setBoldIntense(bool)));
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}
void EditProfileDialog::setAntialiasText(bool enable)
{
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    QFont font = _ui->fontPreviewLabel->font();
    font.setStyleStrategy(enable ? QFont::PreferAntialias : QFont::NoAntialias);

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    // update preview to reflect text smoothing state
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    fontSelected(font);
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    updateTempProfileProperty(Profile::AntiAliasFonts,enable);
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}
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void EditProfileDialog::setBoldIntense(bool enable)
{
    preview(Profile::BoldIntense,enable);
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    updateTempProfileProperty(Profile::BoldIntense,enable);
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}
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void EditProfileDialog::colorSchemeAnimationUpdate()
{
    QAbstractItemModel* model = _ui->colorSchemeList->model();

    for ( int i = model->rowCount() ; i >= 0 ; i-- )
        _ui->colorSchemeList->update( model->index(i,0) );
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}
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void EditProfileDialog::updateColorSchemeList(bool selectCurrentScheme)
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{
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    if (!_ui->colorSchemeList->model())
        _ui->colorSchemeList->setModel(new QStandardItemModel(this));
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    const QString& name = lookupProfile()->colorScheme();
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    const ColorScheme* currentScheme = ColorSchemeManager::instance()->findColorScheme(name);

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    QStandardItemModel* model = qobject_cast<QStandardItemModel*>(_ui->colorSchemeList->model());

    Q_ASSERT(model);
    
    model->clear();

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    QList<const ColorScheme*> schemeList = ColorSchemeManager::instance()->allColorSchemes();
    QListIterator<const ColorScheme*> schemeIter(schemeList);

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    QStandardItem* selectedItem = 0;

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    while (schemeIter.hasNext())
    {
        const ColorScheme* colors = schemeIter.next();
        QStandardItem* item = new QStandardItem(colors->description());
        item->setData( QVariant::fromValue(colors) ,  Qt::UserRole + 1);
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        item->setFlags( item->flags() );
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        if ( currentScheme == colors ) 
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            selectedItem = item;  

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        model->appendRow(item);
    }

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    model->sort(0);

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    if ( selectCurrentScheme && selectedItem )
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    {
        _ui->colorSchemeList->updateGeometry();
        _ui->colorSchemeList->selectionModel()->setCurrentIndex( selectedItem->index() , 
                                                                 QItemSelectionModel::Select );
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        // update transparency warning label
        updateTransparencyWarning();
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    }
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}
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void EditProfileDialog::updateKeyBindingsList(bool selectCurrentTranslator)
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{
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    if (!_ui->keyBindingList->model())
        _ui->keyBindingList->setModel(new QStandardItemModel(this));
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    const QString& name = lookupProfile()
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                                    ->property<QString>(Profile::KeyBindings);
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    KeyboardTranslatorManager* keyManager = KeyboardTranslatorManager::instance();
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    const KeyboardTranslator* currentTranslator = keyManager->findTranslator(name);
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    QStandardItemModel* model = qobject_cast<QStandardItemModel*>(_ui->keyBindingList->model());

    Q_ASSERT(model);

    model->clear();
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    QStandardItem* selectedItem = 0;

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    QList<QString> translatorNames = keyManager->allTranslators();
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    QListIterator<QString> iter(translatorNames);
    while (iter.hasNext())
    {
        const QString& name = iter.next();

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        const KeyboardTranslator* translator = keyManager->findTranslator(name);
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        QStandardItem* item = new QStandardItem(translator->description());
        item->setData(QVariant::fromValue(translator),Qt::UserRole+1);
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        item->setIcon( KIcon("preferences-desktop-keyboard") );
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        if ( translator == currentTranslator )
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            selectedItem = item;
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        model->appendRow(item);
    }

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    model->sort(0);
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    if ( selectCurrentTranslator && selectedItem )
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    {
        _ui->keyBindingList->selectionModel()->setCurrentIndex( selectedItem->index() , 
                                                                  QItemSelectionModel::Select );
    }
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}
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bool EditProfileDialog::eventFilter( QObject* watched , QEvent* event )
{
    if ( watched == _ui->colorSchemeList && event->type() == QEvent::Leave )
    {
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        if ( _tempProfile->isPropertySet(Profile::ColorScheme) )
            preview(Profile::ColorScheme,_tempProfile->colorScheme());
        else
            unpreview(Profile::ColorScheme);
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    }
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    if ( watched == _ui->fontPreviewLabel && event->type() == QEvent::FontChange )
    {
        const QFont& labelFont = _ui->fontPreviewLabel->font();
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        qreal size = labelFont.pointSizeF();
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        QString fontSize  = KGlobal::locale()->formatNumber(size, size == floor(size) ? 0 : 1);
        _ui->fontPreviewLabel->setText(i18n("%1, size %2", labelFont.family(), fontSize));
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    }
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    return KDialog::eventFilter(watched,event);
}
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void EditProfileDialog::unpreviewAll()
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{
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    _delayedPreviewTimer->stop();
    _delayedPreviewProperties.clear();

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    QHash<Profile::Property,QVariant> map;
    QHashIterator<int,QVariant> iter(_previewedProperties);
    while ( iter.hasNext() )
    {
        iter.next();
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        map.insert((Profile::Property)iter.key(),iter.value());
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    }

    // undo any preview changes
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    if ( !map.isEmpty() )
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        SessionManager::instance()->changeProfile(_profile,map,false);
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}
void EditProfileDialog::unpreview(int property)
{
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    _delayedPreviewProperties.remove(property);
    
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    if (!_previewedProperties.contains(property))
        return;
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    QHash<Profile::Property,QVariant> map;
    map.insert((Profile::Property)property,_previewedProperties[property]);
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    SessionManager::instance()->changeProfile(_profile,map,false); 
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    _previewedProperties.remove(property);
}
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void EditProfileDialog::delayedPreview(int property , const QVariant& value)
{
    _delayedPreviewProperties.insert(property,value); 

    _delayedPreviewTimer->stop();
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    _delayedPreviewTimer->start(300);
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}
void EditProfileDialog::delayedPreviewActivate()
{
    Q_ASSERT( qobject_cast<QTimer*>(sender()) );

    QMutableHashIterator<int,QVariant> iter(_delayedPreviewProperties);
    if ( iter.hasNext() ) 
    {
        iter.next();
        preview(iter.key(),iter.value());
    }
}
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void EditProfileDialog::preview(int property , const QVariant& value)
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{
    QHash<Profile::Property,QVariant> map;
    map.insert((Profile::Property)property,value);
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    _delayedPreviewProperties.remove(property);
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    const Profile::Ptr original = lookupProfile();
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    // skip previews for profile groups if the profiles in the group
    // have conflicting original values for the property
    //
    // TODO - Save the original values for each profile and use to unpreview properties
    ProfileGroup::Ptr group = original->asGroup();
    if (group && group->profiles().count() > 1 &&
        original->property<QVariant>((Profile::Property)property).isNull())
        return;

    if (!_previewedProperties.contains(property))   
    {
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        _previewedProperties.insert(property , original->property<QVariant>((Profile::Property)property) );
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    }
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    // temporary change to color scheme
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    SessionManager::instance()->changeProfile( _profile , map , false);
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}
void EditProfileDialog::previewColorScheme(const QModelIndex& index)
{
    const QString& name = index.data(Qt::UserRole+1).value<const ColorScheme*>()->name();

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    delayedPreview( Profile::ColorScheme , name );
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}
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void EditProfileDialog::removeColorScheme()
{
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    QModelIndexList selected = _ui->colorSchemeList->selectionModel()->selectedIndexes();

    if ( !selected.isEmpty() )
    {
        const QString& name = selected.first().data(Qt::UserRole+1).value<const ColorScheme*>()->name();
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        if (ColorSchemeManager::instance()->deleteColorScheme(name))    
            _ui->colorSchemeList->model()->removeRow(selected.first().row());
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    }
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}
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void EditProfileDialog::showColorSchemeEditor(bool isNewScheme)
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{    
    QModelIndexList selected = _ui->colorSchemeList->selectionModel()->selectedIndexes();