Initial revision

1 files changed, 389 insertions, 0 deletions

diff --git a/microkde/keditlistbox.cpp b/microkde/keditlistbox.cpp
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+++ b/microkde/keditlistbox.cpp
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+/* This file is part of the KDE libraries
+   Copyright (C) 2000 David Faure <faure@kde.org>, Alexander Neundorf <neundorf@kde.org>
+   2000, 2002 Carsten Pfeiffer <pfeiffer@kde.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   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 <qstringlist.h>
+#include <qpushbutton.h>
+#include <qlayout.h>
+#include <qgroupbox.h>
+#include <qlistbox.h>
+#include <qwhatsthis.h>
+#include <qlabel.h>
+
+#include <kcombobox.h>
+#include <kdebug.h>
+#include <kdialog.h>
+#include <klineedit.h>
+#include <klocale.h>
+#include <kapplication.h>
+#include <knotifyclient.h>
+
+#include "keditlistbox.h"
+
+#include <assert.h>
+
+class KEditListBoxPrivate
+{
+public:
+    bool m_checkAtEntering;
+    int buttons;
+};
+
+KEditListBox::KEditListBox(QWidget *parent, const char *name,
+			   bool checkAtEntering, int buttons )
+    :QGroupBox(parent, name )
+{
+    init( checkAtEntering, buttons );
+}
+
+KEditListBox::KEditListBox(const QString& title, QWidget *parent,
+			   const char *name, bool checkAtEntering, int buttons)
+    :QGroupBox(title, parent, name )
+{
+    init( checkAtEntering, buttons );
+}
+
+KEditListBox::KEditListBox(const QString& title, const CustomEditor& custom,
+                           QWidget *parent, const char *name,
+                           bool checkAtEntering, int buttons)
+    :QGroupBox(title, parent, name )
+{
+    m_lineEdit = custom.lineEdit();
+    init( checkAtEntering, buttons, custom.representationWidget() );
+}
+
+KEditListBox::~KEditListBox()
+{
+    delete d;
+    d=0;
+}
+
+void KEditListBox::init( bool checkAtEntering, int buttons,
+                         QWidget *representationWidget )
+{
+    d=new KEditListBoxPrivate;
+    d->m_checkAtEntering=checkAtEntering;
+    d->buttons = buttons;
+
+    int lostButtons = 0;
+    if ( (buttons & Add) == 0 )
+        lostButtons++;
+    if ( (buttons & Remove) == 0 )
+        lostButtons++;
+    if ( (buttons & UpDown) == 0 )
+        lostButtons += 2;
+
+
+    servNewButton = servRemoveButton = servUpButton = servDownButton = 0L;
+    setSizePolicy(QSizePolicy(QSizePolicy::MinimumExpanding,
+                              QSizePolicy::MinimumExpanding));
+
+    QWidget * gb = this;
+    QGridLayout * grid = new QGridLayout(gb, 7 - lostButtons, 2,
+                                         KDialog::marginHint(),
+                                         KDialog::spacingHint());
+    grid->addRowSpacing(0, fontMetrics().lineSpacing());
+    for ( int i = 1; i < 7 - lostButtons; i++ )
+        grid->setRowStretch(i, 1);
+
+    grid->setMargin(15);
+
+    if ( representationWidget )
+        representationWidget->reparent( gb, QPoint(0,0) );
+    else
+        m_lineEdit=new KLineEdit(gb);
+
+    m_listBox = new QListBox(gb);
+
+    QWidget *editingWidget = representationWidget ?
+                             representationWidget : m_lineEdit;
+    grid->addMultiCellWidget(editingWidget,1,1,0,1);
+    grid->addMultiCellWidget(m_listBox, 2, 6 - lostButtons, 0, 0);
+    int row = 2;
+    if ( buttons & Add ) {
+        servNewButton = new QPushButton(i18n("&Add"), gb);
+        servNewButton->setEnabled(false);
+        connect(servNewButton, SIGNAL(clicked()), SLOT(addItem()));
+
+        grid->addWidget(servNewButton, row++, 1);
+    }
+
+    if ( buttons & Remove ) {
+        servRemoveButton = new QPushButton(i18n("&Remove"), gb);
+        servRemoveButton->setEnabled(false);
+        connect(servRemoveButton, SIGNAL(clicked()), SLOT(removeItem()));
+
+        grid->addWidget(servRemoveButton, row++, 1);
+    }
+
+    if ( buttons & UpDown ) {
+        servUpButton = new QPushButton(i18n("Move &Up"), gb);
+        servUpButton->setEnabled(false);
+        connect(servUpButton, SIGNAL(clicked()), SLOT(moveItemUp()));
+
+        servDownButton = new QPushButton(i18n("Move &Down"), gb);
+        servDownButton->setEnabled(false);
+        connect(servDownButton, SIGNAL(clicked()), SLOT(moveItemDown()));
+
+        grid->addWidget(servUpButton, row++, 1);
+        grid->addWidget(servDownButton, row++, 1);
+    }
+
+    connect(m_lineEdit,SIGNAL(textChanged(const QString&)),this,SLOT(typedSomething(const QString&)));
+    m_lineEdit->setTrapReturnKey(true);
+    connect(m_lineEdit,SIGNAL(returnPressed()),this,SLOT(addItem()));
+    connect(m_listBox, SIGNAL(highlighted(int)), SLOT(enableMoveButtons(int)));
+
+    // maybe supplied lineedit has some text already
+    typedSomething( m_lineEdit->text() );
+}
+
+void KEditListBox::typedSomething(const QString& text)
+{
+    if(currentItem() >= 0) {
+        if(currentText() != m_lineEdit->text())
+        {
+            // IMHO changeItem() shouldn't do anything with the value
+            // of currentItem() ... like changing it or emitting signals ...
+            // but TT disagree with me on this one (it's been that way since ages ... grrr)
+            bool block = m_listBox->signalsBlocked();
+            m_listBox->blockSignals( true );
+            m_listBox->changeItem(text, currentItem());
+            m_listBox->blockSignals( block );
+            emit changed();
+        }
+    }
+
+    if ( !servNewButton )
+        return;
+
+    if (!d->m_checkAtEntering)
+        servNewButton->setEnabled(!text.isEmpty());
+    else
+    {
+        if (text.isEmpty())
+        {
+            servNewButton->setEnabled(false);
+        }
+        else
+        {
+            bool enable = (m_listBox->findItem( text ) == 0L);
+            servNewButton->setEnabled( enable );
+        }
+    }
+}
+
+void KEditListBox::moveItemUp()
+{
+    if (!m_listBox->isEnabled())
+    {
+        KNotifyClient::beep();
+        return;
+    }
+
+    unsigned int selIndex = m_listBox->currentItem();
+    if (selIndex == 0)
+    {
+        KNotifyClient::beep();
+        return;
+    }
+
+    QListBoxItem *selItem = m_listBox->item(selIndex);
+    m_listBox->takeItem(selItem);
+    m_listBox->insertItem(selItem, selIndex-1);
+    m_listBox->setCurrentItem(selIndex - 1);
+
+    emit changed();
+}
+
+void KEditListBox::moveItemDown()
+{
+    if (!m_listBox->isEnabled())
+    {
+        KNotifyClient::beep();
+        return;
+    }
+
+    unsigned int selIndex = m_listBox->currentItem();
+    if (selIndex == m_listBox->count() - 1)
+    {
+        KNotifyClient::beep();
+        return;
+    }
+
+    QListBoxItem *selItem = m_listBox->item(selIndex);
+    m_listBox->takeItem(selItem);
+    m_listBox->insertItem(selItem, selIndex+1);
+    m_listBox->setCurrentItem(selIndex + 1);
+
+    emit changed();
+}
+
+void KEditListBox::addItem()
+{
+    // when m_checkAtEntering is true, the add-button is disabled, but this
+    // slot can still be called through Key_Return/Key_Enter. So we guard
+    // against this.
+    if ( !servNewButton || !servNewButton->isEnabled() )
+        return;
+
+    const QString& currentTextLE=m_lineEdit->text();
+    bool alreadyInList(false);
+    //if we didn't check for dupes at the inserting we have to do it now
+    if (!d->m_checkAtEntering)
+    {
+        // first check current item instead of dumb iterating the entire list
+        if ( m_listBox->currentText() == currentTextLE )
+            alreadyInList = true;
+        else
+        {
+            alreadyInList =(m_listBox->findItem(currentTextLE) != 0);
+        }
+    }
+
+    if ( servNewButton )
+        servNewButton->setEnabled(false);
+
+    bool block = m_lineEdit->signalsBlocked();
+    m_lineEdit->blockSignals(true);
+    m_lineEdit->clear();
+    m_lineEdit->blockSignals(block);
+
+    m_listBox->setSelected(currentItem(), false);
+
+    if (!alreadyInList)
+    {
+        block = m_listBox->signalsBlocked();
+        m_listBox->blockSignals( true );
+        m_listBox->insertItem(currentTextLE);
+        m_listBox->blockSignals( block );
+        emit changed();
+    }
+}
+
+int KEditListBox::currentItem() const 
+{
+    int nr = m_listBox->currentItem();
+    if(nr >= 0 && !m_listBox->item(nr)->selected()) return -1;
+    return nr;
+}
+
+void KEditListBox::removeItem()
+{
+    int selected = m_listBox->currentItem();
+
+    if ( selected >= 0 )
+    {
+        m_listBox->removeItem( selected );
+        if ( count() > 0 )
+            m_listBox->setSelected( QMIN( selected, count() - 1 ), true );
+
+        emit changed();
+    }
+
+    if ( servRemoveButton && m_listBox->currentItem() == -1 )
+        servRemoveButton->setEnabled(false);
+}
+
+void KEditListBox::enableMoveButtons(int index)
+{
+    // Update the lineEdit when we select a different line.
+    if(currentText() != m_lineEdit->text())
+        m_lineEdit->setText(currentText());
+
+    bool moveEnabled = servUpButton && servDownButton;
+
+    if (moveEnabled )
+    {
+        if (m_listBox->count() <= 1)
+        {
+            servUpButton->setEnabled(false);
+            servDownButton->setEnabled(false);
+        }
+        else if ((uint) index == (m_listBox->count() - 1))
+        {
+            servUpButton->setEnabled(true);
+            servDownButton->setEnabled(false);
+        }
+        else if (index == 0)
+        {
+            servUpButton->setEnabled(false);
+            servDownButton->setEnabled(true);
+        }
+        else
+        {
+            servUpButton->setEnabled(true);
+            servDownButton->setEnabled(true);
+        }
+    }
+
+    if ( servRemoveButton )
+        servRemoveButton->setEnabled(true);
+}
+
+void KEditListBox::clear()
+{
+    m_lineEdit->clear();
+    m_listBox->clear();
+    emit changed();
+}
+
+void KEditListBox::insertStringList(const QStringList& list, int index)
+{
+    m_listBox->insertStringList(list,index);
+}
+
+void KEditListBox::insertStrList(const QStrList* list, int index)
+{
+    m_listBox->insertStrList(list,index);
+}
+
+void KEditListBox::insertStrList(const QStrList& list, int index)
+{
+    m_listBox->insertStrList(list,index);
+}
+
+void KEditListBox::insertStrList(const char ** list, int numStrings, int index)
+{
+    m_listBox->insertStrList(list,numStrings,index);
+}
+
+QStringList KEditListBox::items() const
+{
+    QStringList list;
+    for ( uint i = 0; i < m_listBox->count(); i++ )
+	list.append( m_listBox->text( i ));
+
+    return list;
+}
+
+void KEditListBox::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+
+
+///////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////
+
+KEditListBox::CustomEditor::CustomEditor( KComboBox *combo )
+{
+    m_representationWidget = combo;
+    m_lineEdit = static_cast<KLineEdit*>( combo->lineEdit() );
+    assert( m_lineEdit );
+}
+