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+/* This file is part of the KDE project
+ Copyright (C) 2002 Anders Lund <[email protected]>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License version 2 as published by the Free Software Foundation.
+
+ This library 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
+ Library 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+
+#include "kactionselector.h"
+
+#include <klocale.h>
+#include <kiconloader.h>
+#include <kdialog.h> // for spacingHint()
+#include <kdebug.h>
+#include <qapplication.h>
+
+#include <qlistbox.h>
+#include <qtoolbutton.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qevent.h>
+#include <qwhatsthis.h>
+
+class KActionSelectorPrivate {
+ public:
+ QListBox *availableListBox, *selectedListBox;
+ QToolButton *btnAdd, *btnRemove, *btnUp, *btnDown;
+ QLabel *lAvailable, *lSelected;
+ bool moveOnDoubleClick, keyboardEnabled;
+ KActionSelector::ButtonIconSize iconSize;
+ QString addIcon, removeIcon, upIcon, downIcon;
+ KActionSelector::InsertionPolicy availableInsertionPolicy, selectedInsertionPolicy;
+ bool showUpDownButtons;
+};
+
+//BEGIN Constructor/destructor
+
+KActionSelector::KActionSelector( QWidget *parent, const char *name )
+ : QWidget( parent, name )
+{
+ d = new KActionSelectorPrivate();
+ d->moveOnDoubleClick = true;
+ d->keyboardEnabled = true;
+ d->iconSize = SmallIcon;
+ d->addIcon = QApplication::reverseLayout() ? "back" : "forward";
+ d->removeIcon = QApplication::reverseLayout() ? "forward" : "back";
+ d->upIcon = "up";
+ d->downIcon = "down";
+ d->availableInsertionPolicy = Sorted;
+ d->selectedInsertionPolicy = BelowCurrent;
+ d->showUpDownButtons = true;
+
+ //int isz = IconSize( KIcon::Small );
+
+ QHBoxLayout *lo = new QHBoxLayout( this );
+ lo->setSpacing( KDialog::spacingHint() );
+
+ QVBoxLayout *loAv = new QVBoxLayout( lo );
+ d->lAvailable = new QLabel( i18n("&Available:"), this );
+ loAv->addWidget( d->lAvailable );
+ d->availableListBox = new QListBox( this );
+ loAv->addWidget( d->availableListBox );
+ d->lAvailable->setBuddy( d->availableListBox );
+
+ QVBoxLayout *loHBtns = new QVBoxLayout( lo );
+ loHBtns->addStretch( 1 );
+ d->btnAdd = new QToolButton( this );
+ loHBtns->addWidget( d->btnAdd );
+ d->btnRemove = new QToolButton( this );
+ loHBtns->addWidget( d->btnRemove );
+ loHBtns->addStretch( 1 );
+
+ QVBoxLayout *loS = new QVBoxLayout( lo );
+ d->lSelected = new QLabel( i18n("&Selected:"), this );
+ loS->addWidget( d->lSelected );
+ d->selectedListBox = new QListBox( this );
+ loS->addWidget( d->selectedListBox );
+ d->lSelected->setBuddy( d->selectedListBox );
+
+ QVBoxLayout *loVBtns = new QVBoxLayout( lo );
+ loVBtns->addStretch( 1 );
+ d->btnUp = new QToolButton( this );
+ loVBtns->addWidget( d->btnUp );
+ d->btnDown = new QToolButton( this );
+ loVBtns->addWidget( d->btnDown );
+ loVBtns->addStretch( 1 );
+
+ loadIcons();
+
+ connect( d->btnAdd, SIGNAL(clicked()), this, SLOT(buttonAddClicked()) );
+ connect( d->btnRemove, SIGNAL(clicked()), this, SLOT(buttonRemoveClicked()) );
+ connect( d->btnUp, SIGNAL(clicked()), this, SLOT(buttonUpClicked()) );
+ connect( d->btnDown, SIGNAL(clicked()), this, SLOT(buttonDownClicked()) );
+ connect( d->availableListBox, SIGNAL(doubleClicked(QListBoxItem*)),
+ this, SLOT(itemDoubleClicked(QListBoxItem*)) );
+ connect( d->selectedListBox, SIGNAL(doubleClicked(QListBoxItem*)),
+ this, SLOT(itemDoubleClicked(QListBoxItem*)) );
+ connect( d->availableListBox, SIGNAL(currentChanged(QListBoxItem*)),
+ this, SLOT(slotCurrentChanged(QListBoxItem *)) );
+ connect( d->selectedListBox, SIGNAL(currentChanged(QListBoxItem*)),
+ this, SLOT(slotCurrentChanged(QListBoxItem *)) );
+
+ d->availableListBox->installEventFilter( this );
+ d->selectedListBox->installEventFilter( this );
+}
+
+KActionSelector::~KActionSelector()
+{
+ delete d;
+}
+
+//END Constructor/destroctor
+
+//BEGIN Public Methods
+
+QListBox *KActionSelector::availableListBox()
+{
+ return d->availableListBox;
+}
+
+QListBox *KActionSelector::selectedListBox()
+{
+ return d->selectedListBox;
+}
+
+void KActionSelector::setButtonIcon( const QString &icon, MoveButton button )
+{
+ switch ( button )
+ {
+ case ButtonAdd:
+ d->addIcon = icon;
+ d->btnAdd->setIconSet( SmallIconSet( icon, d->iconSize ) );
+ break;
+ case ButtonRemove:
+ d->removeIcon = icon;
+ d->btnRemove->setIconSet( SmallIconSet( icon, d->iconSize ) );
+ break;
+ case ButtonUp:
+ d->upIcon = icon;
+ d->btnUp->setIconSet( SmallIconSet( icon, d->iconSize ) );
+ break;
+ case ButtonDown:
+ d->downIcon = icon;
+ d->btnDown->setIconSet( SmallIconSet( icon, d->iconSize ) );
+ break;
+ default:
+ kdDebug()<<"KActionSelector::setButtonIcon: DAINBREAD!"<<endl;
+ }
+}
+
+void KActionSelector::setButtonIconSet( const QIconSet &iconset, MoveButton button )
+{
+ switch ( button )
+ {
+ case ButtonAdd:
+ d->btnAdd->setIconSet( iconset );
+ break;
+ case ButtonRemove:
+ d->btnRemove->setIconSet( iconset );
+ break;
+ case ButtonUp:
+ d->btnUp->setIconSet( iconset );
+ break;
+ case ButtonDown:
+ d->btnDown->setIconSet( iconset );
+ break;
+ default:
+ kdDebug()<<"KActionSelector::setButtonIconSet: DAINBREAD!"<<endl;
+ }
+}
+
+void KActionSelector::setButtonTooltip( const QString &tip, MoveButton button )
+{
+ switch ( button )
+ {
+ case ButtonAdd:
+ d->btnAdd->setTextLabel( tip );
+ break;
+ case ButtonRemove:
+ d->btnRemove->setTextLabel( tip );
+ break;
+ case ButtonUp:
+ d->btnUp->setTextLabel( tip );
+ break;
+ case ButtonDown:
+ d->btnDown->setTextLabel( tip );
+ break;
+ default:
+ kdDebug()<<"KActionSelector::setButtonToolTip: DAINBREAD!"<<endl;
+ }
+}
+
+void KActionSelector::setButtonWhatsThis( const QString &text, MoveButton button )
+{
+ switch ( button )
+ {
+ case ButtonAdd:
+ QWhatsThis::add( d->btnAdd, text );
+ break;
+ case ButtonRemove:
+ QWhatsThis::add( d->btnRemove, text );
+ break;
+ case ButtonUp:
+ QWhatsThis::add( d->btnUp, text );
+ break;
+ case ButtonDown:
+ QWhatsThis::add( d->btnDown, text );
+ break;
+ default:
+ kdDebug()<<"KActionSelector::setButtonWhatsThis: DAINBREAD!"<<endl;
+ }
+}
+
+void KActionSelector::setButtonsEnabled()
+{
+ d->btnAdd->setEnabled( d->availableListBox->currentItem() > -1 );
+ d->btnRemove->setEnabled( d->selectedListBox->currentItem() > -1 );
+ d->btnUp->setEnabled( d->selectedListBox->currentItem() > 0 );
+ d->btnDown->setEnabled( d->selectedListBox->currentItem() > -1 &&
+ d->selectedListBox->currentItem() < (int)d->selectedListBox->count() - 1 );
+}
+
+//END Public Methods
+
+//BEGIN Properties
+
+bool KActionSelector::moveOnDoubleClick() const
+{
+ return d->moveOnDoubleClick;
+}
+
+void KActionSelector::setMoveOnDoubleClick( bool b )
+{
+ d->moveOnDoubleClick = b;
+}
+
+bool KActionSelector::keyboardEnabled() const
+{
+ return d->keyboardEnabled;
+}
+
+void KActionSelector::setKeyboardEnabled( bool b )
+{
+ d->keyboardEnabled = b;
+}
+
+QString KActionSelector::availableLabel() const
+{
+ return d->lAvailable->text();
+}
+
+void KActionSelector::setAvailableLabel( const QString &text )
+{
+ d->lAvailable->setText( text );
+}
+
+QString KActionSelector::selectedLabel() const
+{
+ return d->lSelected->text();
+}
+
+void KActionSelector::setSelectedLabel( const QString &text )
+{
+ d->lSelected->setText( text );
+}
+
+KActionSelector::ButtonIconSize KActionSelector::buttonIconSize() const
+{
+ return d->iconSize;
+}
+
+void KActionSelector::setButtonIconSize( ButtonIconSize size )
+{
+ d->iconSize = size;
+ // reload icons
+ loadIcons();
+}
+
+KActionSelector::InsertionPolicy KActionSelector::availableInsertionPolicy() const
+{
+ return d->availableInsertionPolicy;
+}
+
+void KActionSelector::setAvailableInsertionPolicy( InsertionPolicy p )
+{
+ d->availableInsertionPolicy = p;
+}
+
+KActionSelector::InsertionPolicy KActionSelector::selectedInsertionPolicy() const
+{
+ return d->selectedInsertionPolicy;
+}
+
+void KActionSelector::setSelectedInsertionPolicy( InsertionPolicy p )
+{
+ d->selectedInsertionPolicy = p;
+}
+
+bool KActionSelector::showUpDownButtons() const
+{
+ return d->showUpDownButtons;
+}
+
+void KActionSelector::setShowUpDownButtons( bool show )
+{
+ d->showUpDownButtons = show;
+ if ( show )
+ {
+ d->btnUp->show();
+ d->btnDown->show();
+ }
+ else
+ {
+ d->btnUp->hide();
+ d->btnDown->hide();
+ }
+}
+
+//END Properties
+
+//BEGIN Public Slots
+
+void KActionSelector::polish()
+{
+ setButtonsEnabled();
+}
+
+//END Public Slots
+
+//BEGIN Protected
+void KActionSelector::keyPressEvent( QKeyEvent *e )
+{
+ if ( ! d->keyboardEnabled ) return;
+ if ( (e->state() & Qt::ControlButton) )
+ {
+ switch ( e->key() )
+ {
+ case Key_Right:
+ buttonAddClicked();
+ break;
+ case Key_Left:
+ buttonRemoveClicked();
+ break;
+ case Key_Up:
+ buttonUpClicked();
+ break;
+ case Key_Down:
+ buttonDownClicked();
+ break;
+ default:
+ e->ignore();
+ return;
+ }
+ }
+}
+
+bool KActionSelector::eventFilter( QObject *o, QEvent *e )
+{
+ if ( d->keyboardEnabled && e->type() == QEvent::KeyPress )
+ {
+ if ( (((QKeyEvent*)e)->state() & Qt::ControlButton) )
+ {
+ switch ( ((QKeyEvent*)e)->key() )
+ {
+ case Key_Right:
+ buttonAddClicked();
+ break;
+ case Key_Left:
+ buttonRemoveClicked();
+ break;
+ case Key_Up:
+ buttonUpClicked();
+ break;
+ case Key_Down:
+ buttonDownClicked();
+ break;
+ default:
+ return QWidget::eventFilter( o, e );
+ break;
+ }
+ return true;
+ }
+ else if ( o->inherits( "QListBox" ) )
+ {
+ switch ( ((QKeyEvent*)e)->key() )
+ {
+ case Key_Return:
+ case Key_Enter:
+ QListBox *lb = (QListBox*)o;
+ int index = lb->currentItem();
+ if ( index < 0 ) break;
+ moveItem( lb->item( index ) );
+ return true;
+ }
+ }
+ }
+ return QWidget::eventFilter( o, e );
+}
+
+//END Protected
+
+//BEGIN Private Slots
+
+void KActionSelector::buttonAddClicked()
+{
+ // move all selected items from available to selected listbox
+ QListBoxItem *item = d->availableListBox->firstItem();
+ while ( item ) {
+ if ( item->isSelected() ) {
+ d->availableListBox->takeItem( item );
+ d->selectedListBox->insertItem( item, insertionIndex( d->selectedListBox, d->selectedInsertionPolicy ) );
+ d->selectedListBox->setCurrentItem( item );
+ emit added( item );
+ }
+ item = item->next();
+ }
+ if ( d->selectedInsertionPolicy == Sorted )
+ d->selectedListBox->sort();
+ d->selectedListBox->setFocus();
+}
+
+void KActionSelector::buttonRemoveClicked()
+{
+ // move all selected items from selected to available listbox
+ QListBoxItem *item = d->selectedListBox->firstItem();
+ while ( item ) {
+ if ( item->isSelected() ) {
+ d->selectedListBox->takeItem( item );
+ d->availableListBox->insertItem( item, insertionIndex( d->availableListBox, d->availableInsertionPolicy ) );
+ d->availableListBox->setCurrentItem( item );
+ emit removed( item );
+ }
+ item = item->next();
+ }
+ if ( d->availableInsertionPolicy == Sorted )
+ d->availableListBox->sort();
+ d->availableListBox->setFocus();
+}
+
+void KActionSelector::buttonUpClicked()
+{
+ int c = d->selectedListBox->currentItem();
+ if ( c < 0 ) return;
+ QListBoxItem *item = d->selectedListBox->item( c );
+ d->selectedListBox->takeItem( item );
+ d->selectedListBox->insertItem( item, c-1 );
+ d->selectedListBox->setCurrentItem( item );
+ emit movedUp( item );
+}
+
+void KActionSelector::buttonDownClicked()
+{
+ int c = d->selectedListBox->currentItem();
+ if ( c < 0 ) return;
+ QListBoxItem *item = d->selectedListBox->item( c );
+ d->selectedListBox->takeItem( item );
+ d->selectedListBox->insertItem( item, c+1 );
+ d->selectedListBox->setCurrentItem( item );
+ emit movedDown( item );
+}
+
+void KActionSelector::itemDoubleClicked( QListBoxItem *item )
+{
+ if ( d->moveOnDoubleClick )
+ moveItem( item );
+}
+
+//END Private Slots
+
+//BEGIN Private Methods
+
+void KActionSelector::loadIcons()
+{
+ d->btnAdd->setIconSet( SmallIconSet( d->addIcon, d->iconSize ) );
+ d->btnRemove->setIconSet( SmallIconSet( d->removeIcon, d->iconSize ) );
+ d->btnUp->setIconSet( SmallIconSet( d->upIcon, d->iconSize ) );
+ d->btnDown->setIconSet( SmallIconSet( d->downIcon, d->iconSize ) );
+}
+
+void KActionSelector::moveItem( QListBoxItem *item )
+{
+ QListBox *lbFrom = item->listBox();
+ QListBox *lbTo;
+ if ( lbFrom == d->availableListBox )
+ lbTo = d->selectedListBox;
+ else if ( lbFrom == d->selectedListBox )
+ lbTo = d->availableListBox;
+ else //?! somewhat unlikely...
+ return;
+
+ InsertionPolicy p = ( lbTo == d->availableListBox ) ?
+ d->availableInsertionPolicy : d->selectedInsertionPolicy;
+
+ lbFrom->takeItem( item );
+ lbTo->insertItem( item, insertionIndex( lbTo, p ) );
+ lbTo->setFocus();
+ lbTo->setCurrentItem( item );
+
+ if ( p == Sorted )
+ lbTo->sort();
+ if ( lbTo == d->selectedListBox )
+ emit added( item );
+ else
+ emit removed( item );
+}
+
+int KActionSelector::insertionIndex( QListBox *lb, InsertionPolicy policy )
+{
+ int index;
+ switch ( policy )
+ {
+ case BelowCurrent:
+ index = lb->currentItem();
+ if ( index > -1 ) index += 1;
+ break;
+ case AtTop:
+ index = 0;
+ break;
+ default:
+ index = -1;
+ }
+ return index;
+}
+
+//END Private Methods
+#include "kactionselector.moc"