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EditProfileDialog.cpp

/*
    Copyright (C) 2007 by Robert Knight <robertknight@gmail.com>

    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.
*/

// Own
#include "EditProfileDialog.h"

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

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

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

// Konsole
#include "ColorScheme.h"
#include "ColorSchemeEditor.h"
#include "ui_EditProfileDialog.h"
#include "KeyBindingEditor.h"
#include "KeyboardTranslator.h"
#include "Profile.h"
#include "SessionManager.h"
#include "ShellCommand.h"
#include "TabTitleFormatAction.h"

using namespace Konsole;

00060 EditProfileDialog::EditProfileDialog(QWidget* parent)
    : KDialog(parent)
    , _colorSchemeAnimationTimeLine(0)
    , _delayedPreviewTimer(new QTimer(this))
{
    setCaption(i18n("Edit Profile"));
    setButtons( KDialog::Ok | KDialog::Cancel | KDialog::Apply );

    connect( this , SIGNAL(applyClicked()) , this , SLOT(save()) );
    connect( _delayedPreviewTimer , SIGNAL(timeout()) , this , SLOT(delayedPreviewActivate()) );
    _ui = new Ui::EditProfileDialog();
    _ui->setupUi(mainWidget());

    // TODO - Renable in a later KDE 4.x release when this feature works again
    _ui->enableResizeWindowButton->setVisible(false);


    // 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() );
    connect( _ui->tabWidget , SIGNAL(currentChanged(int)) , this , 
            SLOT(preparePage(int)) );

    _tempProfile = new Profile;
}
EditProfileDialog::~EditProfileDialog()
{
    delete _ui;
    delete _tempProfile;
}
void EditProfileDialog::save()
{
    if ( _tempProfile->isEmpty() )
        return;

    SessionManager::instance()->changeProfile(_profileKey,_tempProfile->setProperties());

    // 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());
    }
}
void EditProfileDialog::reject()
{
    unpreviewAll();
    KDialog::reject();
}
void EditProfileDialog::accept()
{
    save();
    unpreviewAll();
    KDialog::accept(); 
}
void EditProfileDialog::updateCaption(const QString& profileName)
{
    setCaption( i18n("Edit Profile \"%1\"",profileName) );
}
00129 void EditProfileDialog::setProfile(const QString& key)
{
    _profileKey = key;

    const Profile* info = SessionManager::instance()->profile(key);

    Q_ASSERT( info );

    // update caption
    updateCaption(info->name());

    // 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);
    preparePage( _ui->tabWidget->currentIndex() );

    if ( _tempProfile )
    {
        delete _tempProfile;
        _tempProfile = new Profile;
    }
}
const Profile* EditProfileDialog::lookupProfile() const
{
    return SessionManager::instance()->profile(_profileKey);
}
void EditProfileDialog::preparePage(int page)
{
    const Profile* info = lookupProfile();

    Q_ASSERT( _pageNeedsUpdate.count() > page );
    Q_ASSERT( info );

    QWidget* pageWidget = _ui->tabWidget->widget(page);
    
    if ( _pageNeedsUpdate[page] )
    {
       if ( pageWidget == _ui->generalTab )
            setupGeneralPage(info);
       else if ( pageWidget == _ui->tabsTab )
            setupTabsPage(info);
       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);

        _pageNeedsUpdate[page] = false;
    }

    // start page entry animation for color schemes
    if ( pageWidget == _ui->appearanceTab )
            _colorSchemeAnimationTimeLine->start();
}
00190 void EditProfileDialog::selectProfileName()
{
    _ui->profileNameEdit->selectAll();
    _ui->profileNameEdit->setFocus();
}
void EditProfileDialog::setupGeneralPage(const Profile* info)
{

    // basic profile options
    _ui->profileNameEdit->setText( info->name() );

    ShellCommand command( info->command() , info->arguments() );
    _ui->commandEdit->setText( command.fullCommand() );

    KUrlCompletion* exeCompletion = new KUrlCompletion(KUrlCompletion::ExeCompletion);
    exeCompletion->setParent(this);
    exeCompletion->setDir(QString());
    _ui->commandEdit->setCompletionObject( exeCompletion );
    _ui->initialDirEdit->setText( info->defaultWorkingDirectory() );

    KUrlCompletion* dirCompletion = new KUrlCompletion(KUrlCompletion::DirCompletion);
    dirCompletion->setParent(this);
    _ui->initialDirEdit->setCompletionObject( dirCompletion );
    _ui->initialDirEdit->setClearButtonShown(true);
    _ui->dirSelectButton->setIcon( KIcon("folder-open") );
    _ui->iconSelectButton->setIcon( KIcon(info->icon()) );

    // window options
    _ui->showMenuBarButton->setChecked( info->property(Profile::ShowMenuBar).value<bool>() );

    // signals and slots
    connect( _ui->dirSelectButton , SIGNAL(clicked()) , this , SLOT(selectInitialDir()) );
    connect( _ui->iconSelectButton , SIGNAL(clicked()) , this , SLOT(selectIcon()) );

    connect( _ui->profileNameEdit , SIGNAL(textChanged(const QString&)) , this ,
            SLOT(profileNameChanged(const QString&)) );
    connect( _ui->initialDirEdit , SIGNAL(textChanged(const QString&)) , this , 
            SLOT(initialDirChanged(const QString&)) );
    connect(_ui->commandEdit , SIGNAL(textChanged(const QString&)) , this ,
            SLOT(commandChanged(const QString&)) ); 
    
    connect(_ui->showMenuBarButton , SIGNAL(toggled(bool)) , this , 
            SLOT(showMenuBar(bool)) );

    connect(_ui->environmentEditButton , SIGNAL(clicked()) , this , 
            SLOT(showEnvironmentEditor()) );
}
void EditProfileDialog::showEnvironmentEditor()
{
    const Profile* info = lookupProfile();

    KDialog* dialog = new KDialog(this);
    QTextEdit* edit = new QTextEdit(dialog);

    QStringList currentEnvironment = info->property(Profile::Environment).value<QStringList>();

    edit->setPlainText( currentEnvironment.join("\n") );
    dialog->setPlainCaption(i18n("Edit Environment"));
    dialog->setMainWidget(edit);

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

    dialog->deleteLater();
}
void EditProfileDialog::setupTabsPage(const Profile* info)
{
    // tab title format
    _ui->tabTitleEdit->setClearButtonShown(true);
    _ui->remoteTabTitleEdit->setClearButtonShown(true);
    _ui->tabTitleEdit->setText( info->property(Profile::LocalTabTitleFormat).value<QString>() );
    _ui->remoteTabTitleEdit->setText( 
            info->property(Profile::RemoteTabTitleFormat).value<QString>());

    // tab options
    int tabMode = info->property(Profile::TabBarMode).value<int>();
    int tabPosition = info->property(Profile::TabBarPosition).value<int>();

    // note: Items should be in the same order as the 
    // Profile::TabBarModeEnum enum
    _ui->tabBarVisibilityCombo->addItems( QStringList() << i18n("Always hide tab bar")
                                                        << i18n("Show tab bar when needed") 
                                                        << i18n("Always show tab bar") );
    _ui->tabBarVisibilityCombo->setCurrentIndex(tabMode);

    // note: Items should be in the same order as the
    // Profile::TabBarPositionEnum enum
    _ui->tabBarPositionCombo->addItems( QStringList() << i18n("Below terminal displays")
                                                      << i18n("Above terminal displays") );

    _ui->tabBarPositionCombo->setCurrentIndex(tabPosition);

    // signals and slots
    connect( _ui->tabBarVisibilityCombo , SIGNAL(activated(int)) , this , 
             SLOT(tabBarVisibilityChanged(int)) );
    connect( _ui->tabBarPositionCombo , SIGNAL(activated(int)) , this ,
             SLOT(tabBarPositionChanged(int)) );

    connect(_ui->tabTitleEdit , SIGNAL(textChanged(const QString&)) , this ,
            SLOT(tabTitleFormatChanged(const QString&)) );
    connect(_ui->remoteTabTitleEdit , SIGNAL(textChanged(const QString&)) , this ,
            SLOT(remoteTabTitleFormatChanged(const QString&)));

    // menus for local and remote tab title dynamic elements
    TabTitleFormatAction* localTabTitleAction = new TabTitleFormatAction(this);
    localTabTitleAction->setContext(Session::LocalTabTitle);
    _ui->tabTitleEditButton->setMenu(localTabTitleAction->menu());
    connect( localTabTitleAction , SIGNAL(dynamicElementSelected(const QString&)) , 
            this , SLOT(insertTabTitleText(const QString&)) );

    TabTitleFormatAction* remoteTabTitleAction = new TabTitleFormatAction(this);
    remoteTabTitleAction->setContext(Session::RemoteTabTitle);
    _ui->remoteTabTitleEditButton->setMenu(remoteTabTitleAction->menu());
    connect( remoteTabTitleAction , SIGNAL(dynamicElementSelected(const QString&)) ,
           this , SLOT(insertRemoteTabTitleText(const QString&)) ); 
}
void EditProfileDialog::tabBarVisibilityChanged(int newValue)
{
    _tempProfile->setProperty( Profile::TabBarMode , newValue );
}
void EditProfileDialog::tabBarPositionChanged(int newValue)
{
    _tempProfile->setProperty( Profile::TabBarPosition , newValue );
}
void EditProfileDialog::insertTabTitleText(const QString& text)
{
    _ui->tabTitleEdit->insert(text);
}
void EditProfileDialog::insertRemoteTabTitleText(const QString& text)
{
    _ui->remoteTabTitleEdit->insert(text);
}
void EditProfileDialog::showMenuBar(bool show)
{
    _tempProfile->setProperty(Profile::ShowMenuBar,show);
}
void EditProfileDialog::tabTitleFormatChanged(const QString& format)
{
    _tempProfile->setProperty(Profile::LocalTabTitleFormat,format);
}
void EditProfileDialog::remoteTabTitleFormatChanged(const QString& format)
{
    _tempProfile->setProperty(Profile::RemoteTabTitleFormat,format);
}

void EditProfileDialog::selectIcon()
{
    const QString& icon = KIconDialog::getIcon(KIconLoader::Desktop, KIconLoader::Application,
                                               false, 0, false, this);
    if (!icon.isEmpty())
    {
        _ui->iconSelectButton->setIcon( KIcon(icon) );
        _tempProfile->setProperty(Profile::Icon,icon);
    }
}
void EditProfileDialog::profileNameChanged(const QString& text)
{
    _tempProfile->setProperty(Profile::Name,text);
    updateCaption(_tempProfile->name());
}
void EditProfileDialog::initialDirChanged(const QString& dir)
{
    _tempProfile->setProperty(Profile::Directory,dir);
}
void EditProfileDialog::commandChanged(const QString& command)
{
    ShellCommand shellCommand(command);

    _tempProfile->setProperty(Profile::Command,shellCommand.command());
    _tempProfile->setProperty(Profile::Arguments,shellCommand.arguments());
}
void EditProfileDialog::selectInitialDir()
{
    const KUrl url = KFileDialog::getExistingDirectoryUrl(_ui->initialDirEdit->text(),
                                                          this,
                                                          i18n("Select Initial Directory"));

    if ( !url.isEmpty() )
        _ui->initialDirEdit->setText(url.path());
}
void EditProfileDialog::setupAppearancePage(const Profile* info)
{
    ColorSchemeViewDelegate* delegate = new ColorSchemeViewDelegate(this);
    _ui->colorSchemeList->setItemDelegate(delegate);
    
    _colorSchemeAnimationTimeLine = new QTimeLine( 500 , this );
    delegate->setEntryTimeLine(_colorSchemeAnimationTimeLine);
    
    connect( _colorSchemeAnimationTimeLine , SIGNAL(valueChanged(qreal)) , this ,
             SLOT(colorSchemeAnimationUpdate()) );
   
    _ui->transparencyWarningWidget->setVisible(false);
    _ui->editColorSchemeButton->setEnabled(false);
    _ui->removeColorSchemeButton->setEnabled(false);

    // setup color list
    updateColorSchemeList(true);
    
    _ui->colorSchemeList->setMouseTracking(true);
    _ui->colorSchemeList->installEventFilter(this);
    _ui->colorSchemeList->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOn );

    connect( _ui->colorSchemeList->selectionModel() , 
            SIGNAL(selectionChanged(const QItemSelection&,const QItemSelection&)) 
            , this , SLOT(colorSchemeSelected()) );
    connect( _ui->colorSchemeList , SIGNAL(entered(const QModelIndex&)) , this , 
            SLOT(previewColorScheme(const QModelIndex&)) );
    
    updateColorSchemeButtons();

    connect( _ui->editColorSchemeButton , SIGNAL(clicked()) , this , 
            SLOT(editColorScheme()) );
    connect( _ui->removeColorSchemeButton , SIGNAL(clicked()) , this ,
            SLOT(removeColorScheme()) );
    connect( _ui->newColorSchemeButton , SIGNAL(clicked()) , this , 
            SLOT(newColorScheme()) );

    // setup font preview
    const QFont& font = info->font();
      _ui->fontPreviewLabel->installEventFilter(this);
      _ui->fontPreviewLabel->setFont(font);
    _ui->fontSizeSlider->setValue( font.pointSize() );
    _ui->fontSizeSlider->setMinimum( KGlobalSettings::smallestReadableFont().pointSize() );

    connect( _ui->fontSizeSlider , SIGNAL(valueChanged(int)) , this ,
             SLOT(setFontSize(int)) );
    connect( _ui->editFontButton , SIGNAL(clicked()) , this ,
             SLOT(showFontDialog()) );
}
void EditProfileDialog::colorSchemeAnimationUpdate()
{
    QAbstractItemModel* model = _ui->colorSchemeList->model();

    for ( int i = model->rowCount() ; i >= 0 ; i-- )
        _ui->colorSchemeList->update( model->index(i,0) );
}
void EditProfileDialog::updateColorSchemeList(bool selectCurrentScheme)
{
    if (!_ui->colorSchemeList->model())
        _ui->colorSchemeList->setModel(new QStandardItemModel(this));

    const QString& name = lookupProfile()->colorScheme();
    const ColorScheme* currentScheme = ColorSchemeManager::instance()->findColorScheme(name);

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

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

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

    QStandardItem* selectedItem = 0;

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

        model->appendRow(item);
    }

    model->sort(0);

    if ( selectCurrentScheme && selectedItem )
    {
        _ui->colorSchemeList->updateGeometry();
        _ui->colorSchemeList->selectionModel()->setCurrentIndex( selectedItem->index() , 
                                                                 QItemSelectionModel::Select );

        // update transparency warning label
        updateTransparencyWarning();
    }
}
void EditProfileDialog::updateKeyBindingsList(bool selectCurrentTranslator)
{
    if (!_ui->keyBindingList->model())
        _ui->keyBindingList->setModel(new QStandardItemModel(this));

    KeyboardTranslatorManager* keyManager = KeyboardTranslatorManager::instance();

    const QString& name = lookupProfile()
                                    ->property(Profile::KeyBindings).value<QString>();

    const KeyboardTranslator* currentTranslator = keyManager->findTranslator(name);
    
    QStandardItemModel* model = qobject_cast<QStandardItemModel*>(_ui->keyBindingList->model());

    Q_ASSERT(model);

    model->clear();

    QStandardItem* selectedItem = 0;

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

        const KeyboardTranslator* translator = keyManager->findTranslator(name);

        QStandardItem* item = new QStandardItem(translator->description());
        item->setData(QVariant::fromValue(translator),Qt::UserRole+1);
        item->setIcon( KIcon("keyboard") );

        if ( translator == currentTranslator )
            selectedItem = item;

        model->appendRow(item);
    }

    model->sort(0);
    
    if ( selectCurrentTranslator && selectedItem )
    {
        _ui->keyBindingList->selectionModel()->setCurrentIndex( selectedItem->index() , 
                                                                  QItemSelectionModel::Select );
    }
}
bool EditProfileDialog::eventFilter( QObject* watched , QEvent* event )
{
    if ( watched == _ui->colorSchemeList && event->type() == QEvent::Leave )
    {
        if ( _tempProfile->isPropertySet(Profile::ColorScheme) )
            preview(Profile::ColorScheme,_tempProfile->colorScheme());
        else
            unpreview(Profile::ColorScheme);
    }
      if ( watched == _ui->fontPreviewLabel && event->type() == QEvent::FontChange )
      {
            const QFont& labelFont = _ui->fontPreviewLabel->font();
            _ui->fontPreviewLabel->setText(i18n("%1, size %2",labelFont.family(),labelFont.pointSize()));
      }

    return KDialog::eventFilter(watched,event);
}
void EditProfileDialog::unpreviewAll()
{
    _delayedPreviewTimer->stop();
    _delayedPreviewProperties.clear();

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

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

    _previewedProperties.remove(property);
}
void EditProfileDialog::delayedPreview(int property , const QVariant& value)
{
    _delayedPreviewProperties.insert(property,value); 
    QTimer* timer = new QTimer(this);
    timer->setSingleShot(true);

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

    QMutableHashIterator<int,QVariant> iter(_delayedPreviewProperties);
    if ( iter.hasNext() ) 
    {
        iter.next();
        preview(iter.key(),iter.value());
    }
}
void EditProfileDialog::preview(int property , const QVariant& value)
{
    QHash<Profile::Property,QVariant> map;
    map.insert((Profile::Property)property,value);
    
    _delayedPreviewProperties.remove(property);

    const Profile* original = lookupProfile();

    if (!_previewedProperties.contains(property))    
        _previewedProperties.insert(property , original->property((Profile::Property)property) );

    // temporary change to color scheme
    SessionManager::instance()->changeProfile( _profileKey , map , false);
}
void EditProfileDialog::previewColorScheme(const QModelIndex& index)
{
    const QString& name = index.data(Qt::UserRole+1).value<const ColorScheme*>()->name();

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

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

    QAbstractItemModel* model = _ui->colorSchemeList->model();
    const ColorScheme* colors = 0;
    if ( !selected.isEmpty() )
        colors = model->data(selected.first(),Qt::UserRole+1).value<const ColorScheme*>();
    else
        colors = ColorSchemeManager::instance()->defaultColorScheme();

    Q_ASSERT(colors);

    KDialog* dialog = new KDialog(this);

    if ( isNewScheme )
        dialog->setCaption(i18n("New Color Scheme"));
    else
        dialog->setCaption(i18n("Edit Color Scheme"));

    ColorSchemeEditor* editor = new ColorSchemeEditor;
    dialog->setMainWidget(editor);
    editor->setup(colors);

    if ( isNewScheme )
        editor->setDescription(i18n("New Color Scheme"));
        
    if ( dialog->exec() == QDialog::Accepted )
    {
        ColorScheme* newScheme = new ColorScheme(*editor->colorScheme());

        // if this is a new color scheme, pick a name based on the description
        if ( isNewScheme )
            newScheme->setName(newScheme->description());

        ColorSchemeManager::instance()->addColorScheme( newScheme );
        
        updateColorSchemeList(true);

        preview(Profile::ColorScheme,newScheme->name());
    }
}
void EditProfileDialog::newColorScheme()
{
    showColorSchemeEditor(true);    
}
void EditProfileDialog::editColorScheme()
{
    showColorSchemeEditor(false);
}
void EditProfileDialog::colorSchemeSelected()
{
    QModelIndexList selected = _ui->colorSchemeList->selectionModel()->selectedIndexes();

    if ( !selected.isEmpty() )
    {
        QAbstractItemModel* model = _ui->colorSchemeList->model();
        const ColorScheme* colors = model->data(selected.first(),Qt::UserRole+1).value<const ColorScheme*>();

        kDebug() << "Setting temp profile color to" << colors->name();
        
            previewColorScheme(selected.first());
            _tempProfile->setProperty(Profile::ColorScheme,colors->name());

        updateTransparencyWarning();
    }

    updateColorSchemeButtons();
}
void EditProfileDialog::updateColorSchemeButtons()
{
    enableIfNonEmptySelection(_ui->editColorSchemeButton,_ui->colorSchemeList->selectionModel());
    enableIfNonEmptySelection(_ui->removeColorSchemeButton,_ui->colorSchemeList->selectionModel());
}
void EditProfileDialog::updateKeyBindingsButtons()
{    
    enableIfNonEmptySelection(_ui->editKeyBindingsButton,_ui->keyBindingList->selectionModel());
    enableIfNonEmptySelection(_ui->removeKeyBindingsButton,_ui->keyBindingList->selectionModel());
}
void EditProfileDialog::enableIfNonEmptySelection(QWidget* widget,QItemSelectionModel* selectionModel)
{
    widget->setEnabled(selectionModel->hasSelection());
}
void EditProfileDialog::updateTransparencyWarning() 
{
    // zero or one indexes can be selected
    foreach( const QModelIndex& index , _ui->colorSchemeList->selectionModel()->selectedIndexes() ) 
    {
        bool hasTransparency = index.data(Qt::UserRole+1).value<const ColorScheme*>()->opacity() < 1.0;

        _ui->transparencyWarningWidget->setHidden(KWindowSystem::compositingActive() || !hasTransparency);
        _ui->transparencyWarningIcon->setPixmap( KIcon("dialog-warning").pixmap(QSize(48,48)) );
    }
}
void EditProfileDialog::setupKeyboardPage(const Profile* /* info */)
{
    // setup translator list
    updateKeyBindingsList(true); 

    connect( _ui->keyBindingList->selectionModel() , 
                SIGNAL(selectionChanged(const QItemSelection&,const QItemSelection&)),
                SLOT(keyBindingSelected()) );
    connect( _ui->newKeyBindingsButton , SIGNAL(clicked()) , this ,
            SLOT(newKeyBinding()) );

    updateKeyBindingsButtons();

    connect( _ui->editKeyBindingsButton , SIGNAL(clicked()) , this , 
          SLOT(editKeyBinding()) );  
    connect( _ui->removeKeyBindingsButton , SIGNAL(clicked()) , this ,
            SLOT(removeKeyBinding()) );
}
void EditProfileDialog::keyBindingSelected()
{
    QModelIndexList selected = _ui->keyBindingList->selectionModel()->selectedIndexes();

    if ( !selected.isEmpty() )
    {
        QAbstractItemModel* model = _ui->keyBindingList->model();
        const KeyboardTranslator* translator = model->data(selected.first(),Qt::UserRole+1)
                                                .value<const KeyboardTranslator*>();
        _tempProfile->setProperty(Profile::KeyBindings,translator->name());
    }

    updateKeyBindingsButtons();
}
void EditProfileDialog::removeKeyBinding()
{
    QModelIndexList selected = _ui->keyBindingList->selectionModel()->selectedIndexes();

    if ( !selected.isEmpty() )
    {
        const QString& name = selected.first().data(Qt::UserRole+1).value<const KeyboardTranslator*>()->name();
        if (KeyboardTranslatorManager::instance()->deleteTranslator(name))
            _ui->keyBindingList->model()->removeRow(selected.first().row());   
    }
}
void EditProfileDialog::showKeyBindingEditor(bool isNewTranslator)
{
    QModelIndexList selected = _ui->keyBindingList->selectionModel()->selectedIndexes();
    QAbstractItemModel* model = _ui->keyBindingList->model();

    const KeyboardTranslator* translator = 0;
    if ( !selected.isEmpty() )
        translator = model->data(selected.first(),Qt::UserRole+1).value<const KeyboardTranslator*>();
    else
        translator = KeyboardTranslatorManager::instance()->defaultTranslator();

    Q_ASSERT(translator);

    KDialog* dialog = new KDialog(this);

    if ( isNewTranslator )
        dialog->setCaption(i18n("New Key Binding List"));
    else
        dialog->setCaption(i18n("Edit Key Binding List"));

    KeyBindingEditor* editor = new KeyBindingEditor;
    dialog->setMainWidget(editor);
    
    if ( translator )
        editor->setup(translator);

    if ( isNewTranslator )
        editor->setDescription(i18n("New Key Binding List"));

    if ( dialog->exec() == QDialog::Accepted )
    {
        KeyboardTranslator* newTranslator = new KeyboardTranslator(*editor->translator());

        if ( isNewTranslator )
            newTranslator->setName(newTranslator->description());

        KeyboardTranslatorManager::instance()->addTranslator( newTranslator );

        updateKeyBindingsList();
        
        const QString& currentTranslator = lookupProfile()
                                        ->property(Profile::KeyBindings).value<QString>();

        if ( newTranslator->name() == currentTranslator )
        {
            _tempProfile->setProperty(Profile::KeyBindings,newTranslator->name());
        }
    }
}
void EditProfileDialog::newKeyBinding()
{
    showKeyBindingEditor(true);
}
void EditProfileDialog::editKeyBinding()
{
    showKeyBindingEditor(false);
}
void EditProfileDialog::setupCombo( ComboOption* options , const Profile* profile )
{
    while ( options->button != 0 )
    {
        options->button->setChecked( profile->property((Profile::Property)options->property).value<bool>() );
        connect( options->button , SIGNAL(toggled(bool)) , this , options->slot );

        ++options;
    }
}
void EditProfileDialog::setupRadio( RadioOption* possible , int actual )
{
    while (possible->button != 0)
    {
        if ( possible->property == actual )
            possible->button->setChecked(true);
        else
            possible->button->setChecked(false);
   
        connect( possible->button , SIGNAL(clicked()) , this , possible->slot );

        ++possible;
    }
}

void EditProfileDialog::setupScrollingPage(const Profile* profile)
{
    // setup scrollbar radio
    int scrollBarPosition = profile->property(Profile::ScrollBarPosition).value<int>();
   
    RadioOption positions[] = { {_ui->scrollBarHiddenButton,Profile::ScrollBarHidden,SLOT(hideScrollBar())},
                                {_ui->scrollBarLeftButton,Profile::ScrollBarLeft,SLOT(showScrollBarLeft())},
                                {_ui->scrollBarRightButton,Profile::ScrollBarRight,SLOT(showScrollBarRight())},
                                {0,0,0} 
                              }; 

    setupRadio( positions , scrollBarPosition );
   
    // setup scrollback type radio
    int scrollBackType = profile->property(Profile::HistoryMode).value<int>();
    
    RadioOption types[] = { {_ui->disableScrollbackButton,Profile::DisableHistory,SLOT(noScrollBack())},
                            {_ui->fixedScrollbackButton,Profile::FixedSizeHistory,SLOT(fixedScrollBack())},
                            {_ui->unlimitedScrollbackButton,Profile::UnlimitedHistory,SLOT(unlimitedScrollBack())},
                            {0,0,0} };
    setupRadio( types , scrollBackType ); 
    
    // setup scrollback line count spinner
    _ui->scrollBackLinesSpinner->setValue( profile->property(Profile::HistorySize).value<int>() );

    // signals and slots
    connect( _ui->scrollBackLinesSpinner , SIGNAL(valueChanged(int)) , this , 
            SLOT(scrollBackLinesChanged(int)) );
}

void EditProfileDialog::scrollBackLinesChanged(int lineCount)
{
    _tempProfile->setProperty(Profile::HistorySize , lineCount);
}
void EditProfileDialog::noScrollBack()
{
    _tempProfile->setProperty(Profile::HistoryMode , Profile::DisableHistory);
}
void EditProfileDialog::fixedScrollBack()
{
    _tempProfile->setProperty(Profile::HistoryMode , Profile::FixedSizeHistory);
}
void EditProfileDialog::unlimitedScrollBack()
{
    _tempProfile->setProperty(Profile::HistoryMode , Profile::UnlimitedHistory );
}
void EditProfileDialog::hideScrollBar()
{
    _tempProfile->setProperty(Profile::ScrollBarPosition , Profile::ScrollBarHidden );
}
void EditProfileDialog::showScrollBarLeft()
{
    _tempProfile->setProperty(Profile::ScrollBarPosition , Profile::ScrollBarLeft );
}
void EditProfileDialog::showScrollBarRight()
{
    _tempProfile->setProperty(Profile::ScrollBarPosition , Profile::ScrollBarRight );
}
void EditProfileDialog::setupAdvancedPage(const Profile* profile)
{
    ComboOption  options[] = { { _ui->enableBlinkingTextButton , Profile::BlinkingTextEnabled , 
                                 SLOT(toggleBlinkingText(bool)) },
                               { _ui->enableFlowControlButton , Profile::FlowControlEnabled ,
                                 SLOT(toggleFlowControl(bool)) },
                               { _ui->enableResizeWindowButton , Profile::AllowProgramsToResizeWindow ,
                                 SLOT(toggleResizeWindow(bool)) },
                               { _ui->enableBlinkingCursorButton , Profile::BlinkingCursorEnabled ,
                                 SLOT(toggleBlinkingCursor(bool)) },
                               { 0 , 0 , 0 }
                             };
    setupCombo( options , profile );

    // interaction options
    _ui->wordCharacterEdit->setText( profile->property(Profile::WordCharacters).value<QString>() );

    connect( _ui->wordCharacterEdit , SIGNAL(textChanged(const QString&)) , this , 
            SLOT(wordCharactersChanged(const QString&)) );

    // cursor options
    if ( profile->property(Profile::UseCustomCursorColor).value<bool>() )
        _ui->customCursorColorButton->setChecked(true);
    else
        _ui->autoCursorColorButton->setChecked(true);

    _ui->customColorSelectButton->setColor( profile->property(Profile::CustomCursorColor).value<QColor>() );

    connect( _ui->customCursorColorButton , SIGNAL(clicked()) , this , SLOT(customCursorColor()) );
    connect( _ui->autoCursorColorButton , SIGNAL(clicked()) , this , SLOT(autoCursorColor()) );
    connect( _ui->customColorSelectButton , SIGNAL(changed(const QColor&)) , 
            SLOT(customCursorColorChanged(const QColor&)) );

    int shape = profile->property(Profile::CursorShape).value<int>();
    _ui->cursorShapeCombo->setCurrentIndex(shape);

    connect( _ui->cursorShapeCombo , SIGNAL(activated(int)) , this , SLOT(setCursorShape(int)) ); 

    // encoding options
    QAction* codecAction = new KCodecAction(this);
    _ui->selectEncodingButton->setMenu( codecAction->menu() );
    connect( codecAction , SIGNAL(triggered(QTextCodec*)) , this , SLOT(setDefaultCodec(QTextCodec*)) );

    _ui->characterEncodingLabel->setText( profile->property(Profile::DefaultEncoding).value<QString>() );

}
void EditProfileDialog::setDefaultCodec(QTextCodec* codec)
{
    QString name = QString(codec->name());

    _tempProfile->setProperty(Profile::DefaultEncoding,name);
    _ui->characterEncodingLabel->setText(codec->name());
}
void EditProfileDialog::customCursorColorChanged(const QColor& color)
{
    _tempProfile->setProperty(Profile::CustomCursorColor,color);

    // ensure that custom cursor colors are enabled
    _ui->customCursorColorButton->click();
}
void EditProfileDialog::wordCharactersChanged(const QString& text)
{
    _tempProfile->setProperty(Profile::WordCharacters,text);
}
void EditProfileDialog::autoCursorColor()
{
    _tempProfile->setProperty(Profile::UseCustomCursorColor,false);
}
void EditProfileDialog::customCursorColor()
{
    _tempProfile->setProperty(Profile::UseCustomCursorColor,true);
}
void EditProfileDialog::setCursorShape(int index)
{
    _tempProfile->setProperty(Profile::CursorShape,index);
}
void EditProfileDialog::toggleBlinkingCursor(bool enable)
{
    _tempProfile->setProperty(Profile::BlinkingCursorEnabled,enable);
}
void EditProfileDialog::toggleBlinkingText(bool enable)
{
    _tempProfile->setProperty(Profile::BlinkingTextEnabled,enable);
}
void EditProfileDialog::toggleFlowControl(bool enable)
{
    _tempProfile->setProperty(Profile::FlowControlEnabled,enable);
}
void EditProfileDialog::toggleResizeWindow(bool enable)
{
    _tempProfile->setProperty(Profile::AllowProgramsToResizeWindow,enable);
}
void EditProfileDialog::fontSelected(const QFont& font)
{
   QSlider* slider = _ui->fontSizeSlider;
   
   _ui->fontSizeSlider->setRange( qMin(slider->minimum(),font.pointSize()) ,
                                  qMax(slider->maximum(),font.pointSize()) );
   _ui->fontSizeSlider->setValue(font.pointSize());
   _ui->fontPreviewLabel->setFont(font);
   
   _tempProfile->setProperty(Profile::Font,font);

   preview(Profile::Font,font);
}
void EditProfileDialog::showFontDialog()
{
    QFont currentFont = _ui->fontPreviewLabel->font();
   
    KFontDialog* dialog = new KFontDialog(this, KFontChooser::FixedFontsOnly);
    dialog->setFont(currentFont, true);

    connect( dialog , SIGNAL(fontSelected(const QFont&)) , this , SLOT(fontSelected(const QFont&)) );

    if (dialog->exec() == QDialog::Rejected)
            fontSelected(currentFont);
}
void EditProfileDialog::setFontSize(int pointSize)
{
    QFont newFont = _ui->fontPreviewLabel->font();
    newFont.setPointSize(pointSize);
      _ui->fontPreviewLabel->setFont(newFont);

    _tempProfile->setProperty(Profile::Font,newFont);

    preview(Profile::Font,newFont);
}
ColorSchemeViewDelegate::ColorSchemeViewDelegate(QObject* parent)
 : QAbstractItemDelegate(parent)
{

}

01029 void ColorSchemeViewDelegate::setEntryTimeLine(QTimeLine* timeLine)
{
    _entryTimeLine = timeLine;
}

void ColorSchemeViewDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option,
                       const QModelIndex& index) const
{
    // entry animation
    //
    // note that the translation occurs for each item drawn, but the 
    // painter is not reset between painting items.  this means that when
    // the items are painted in order ( as occurs when the list is first
    // shown ), there is a visually pleasing staggering of items as they
    // enter.
    if ( _entryTimeLine != 0 )
    {
        qreal value = 1.0-_entryTimeLine->currentValue();
        painter->translate(  value * 
                             option.rect.width() , 0 );

        painter->setOpacity( _entryTimeLine->currentValue() );
    }

    const ColorScheme* scheme = index.data(Qt::UserRole + 1).value<const ColorScheme*>();

    Q_ASSERT(scheme);

    bool transparencyAvailable = KWindowSystem::compositingActive();

    painter->setRenderHint( QPainter::Antialiasing );

    // draw background
    painter->setPen( QPen(scheme->foregroundColor() , 1) );

    // radial gradient for background
    // from a lightened version of the scheme's background color in the center to
    // a darker version at the outer edge
    QColor color = scheme->backgroundColor();
    QRectF backgroundRect = QRectF(option.rect).adjusted(1.5,1.5,-1.5,-1.5);
  
    QRadialGradient backgroundGradient(backgroundRect.center() , backgroundRect.width() / 2);
    backgroundGradient.setColorAt( 0 , color.lighter(105) );
    backgroundGradient.setColorAt( 1 , color.darker(115) );
   
    const int backgroundRectXRoundness = 4;
    const int backgroundRectYRoundness = 30;

    QPainterPath backgroundRectPath(backgroundRect.topLeft());
    backgroundRectPath.addRoundRect( backgroundRect , backgroundRectXRoundness , backgroundRectYRoundness );

    if ( transparencyAvailable )
    {
        painter->save();
        color.setAlphaF(scheme->opacity());
        painter->setCompositionMode( QPainter::CompositionMode_Source );
        painter->setBrush(backgroundGradient);

        painter->drawPath(backgroundRectPath);
        painter->restore();
    }
    else
    {
        painter->setBrush(backgroundGradient);
        painter->drawPath(backgroundRectPath);
    }

    // draw stripe at the side using scheme's foreground color
    painter->setPen( QPen(Qt::NoPen) );
    QPainterPath path( option.rect.topLeft() );
    path.lineTo( option.rect.width() / 10.0 , option.rect.top() );
    path.lineTo( option.rect.bottomLeft() );
    path.lineTo( option.rect.topLeft() );
    painter->setBrush( scheme->foregroundColor() );
    painter->drawPath(path.intersected(backgroundRectPath));

    // draw highlight 
    // with a linear gradient going from translucent white to transparent
    QLinearGradient gradient( option.rect.topLeft() , option.rect.bottomLeft() );
    gradient.setColorAt( 0 , QColor(255,255,255,90) );
    gradient.setColorAt( 1 , Qt::transparent );
    painter->setBrush(gradient);
    painter->drawRoundRect( backgroundRect , 4 , 30 );

    //const bool isChecked = index.data(Qt::CheckStateRole) == Qt::Checked;
    const bool isSelected = option.state & QStyle::State_Selected;

    // draw border on selected items
    if ( isSelected ) //|| isChecked )
    {
        static const int selectedBorderWidth = 6;


        painter->setBrush( QBrush(Qt::NoBrush) );
        QPen pen;
        
        QColor highlightColor = option.palette.highlight().color();

        if ( isSelected )
            highlightColor.setAlphaF(1.0);
        else
            highlightColor.setAlphaF(0.7);

        pen.setBrush(highlightColor);
        pen.setWidth(selectedBorderWidth);
        pen.setJoinStyle(Qt::MiterJoin);
        
        painter->setPen(pen);


        painter->drawRect( option.rect.adjusted(selectedBorderWidth/2,
                                                selectedBorderWidth/2,
                                                -selectedBorderWidth/2,
                                                -selectedBorderWidth/2) );
    }

    // draw color scheme name using scheme's foreground color
    QPen pen(scheme->foregroundColor());
    painter->setPen(pen);

    painter->drawText( option.rect , Qt::AlignCenter , 
                        index.data(Qt::DisplayRole).value<QString>() );

}

QSize ColorSchemeViewDelegate::sizeHint( const QStyleOptionViewItem& option,
                       const QModelIndex& /*index*/) const
{
    const int width = 200;
    qreal colorWidth = (qreal)width / TABLE_COLORS;
    int margin = 5;
    qreal heightForWidth = ( colorWidth * 2 ) + option.fontMetrics.height() + margin;

    // temporary
    return QSize(width,(int)heightForWidth);
}

#include "EditProfileDialog.moc"

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