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

BUG:215923


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

1 files changed, 210 insertions, 0 deletions

diff --git a/kdevdesigner/designer/qcompletionedit.cpp b/kdevdesigner/designer/qcompletionedit.cpp
new file mode 100644
index 00000000..9c735577
--- /dev/null
+++ b/kdevdesigner/designer/qcompletionedit.cpp
@@ -0,0 +1,210 @@
+/**********************************************************************
+** Copyright (C) 2001 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qt Designer.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
+** licenses may use this file in accordance with the Qt Commercial License
+** Agreement provided with the Software.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
+**   information about Qt Commercial License Agreements.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#include "qcompletionedit.h"
+#include <qlistbox.h>
+#include <qsizegrip.h>
+#include <qapplication.h>
+#include <qvbox.h>
+
+QCompletionEdit::QCompletionEdit( QWidget *parent, const char *name )
+    : QLineEdit( parent, name ), aAdd( FALSE ), caseSensitive( FALSE )
+{
+    popup = new QVBox( 0, 0, WType_Popup );
+    popup->setFrameStyle( QFrame::Box | QFrame::Plain );
+    popup->setLineWidth( 1 );
+    popup->hide();
+
+    listbox = new QListBox( popup );
+    listbox->setFrameStyle( QFrame::NoFrame );
+    listbox->setLineWidth( 1 );
+    listbox->installEventFilter( this );
+    listbox->setHScrollBarMode( QScrollView::AlwaysOn );
+    listbox->setVScrollBarMode( QScrollView::AlwaysOn );
+    listbox->setCornerWidget( new QSizeGrip( listbox, "completion sizegrip" ) );
+    connect( this, SIGNAL( textChanged( const QString & ) ),
+	     this, SLOT( textDidChange( const QString & ) ) );
+    popup->setFocusProxy( listbox );
+    installEventFilter( this );
+}
+
+bool QCompletionEdit::autoAdd() const
+{
+    return aAdd;
+}
+
+QStringList QCompletionEdit::completionList() const
+{
+    return compList;
+}
+
+void QCompletionEdit::setCompletionList( const QStringList &l )
+{
+    compList = l;
+}
+
+void QCompletionEdit::setAutoAdd( bool add )
+{
+    aAdd = add;
+}
+
+void QCompletionEdit::textDidChange( const QString &text )
+{
+    if ( text.isEmpty() ) {
+	popup->close();
+	return;
+    }
+    updateListBox();
+    placeListBox();
+}
+
+void QCompletionEdit::placeListBox()
+{
+    if ( listbox->count() == 0 ) {
+	popup->close();
+	return;
+    }
+
+    popup->resize( QMAX( listbox->sizeHint().width() + listbox->verticalScrollBar()->width() + 4, width() ),
+		   listbox->sizeHint().height() + listbox->horizontalScrollBar()->height() + 4 );
+
+    QPoint p( mapToGlobal( QPoint( 0, 0 ) ) );
+    if ( p.y() + height() + popup->height() <= QApplication::desktop()->height() )
+	popup->move( p.x(), p.y() + height() );
+    else
+	popup->move( p.x(), p.y() - listbox->height() );
+    popup->show();
+    listbox->setCurrentItem( 0 );
+    listbox->setSelected( 0, TRUE );
+    setFocus();
+}
+
+void QCompletionEdit::updateListBox()
+{
+    listbox->clear();
+    if ( compList.isEmpty() )
+	return;
+    for ( QStringList::Iterator it = compList.begin(); it != compList.end(); ++it ) {
+	if ( caseSensitive && (*it).left( text().length() ) == text() ||
+	     !caseSensitive && (*it).left( text().length() ).lower() == text().lower() )
+	    listbox->insertItem( *it );
+    }
+}
+
+bool QCompletionEdit::eventFilter( QObject *o, QEvent *e )
+{
+    if ( o == popup || o == listbox || o == listbox->viewport() ) {
+	if ( e->type() == QEvent::KeyPress ) {
+	    QKeyEvent *ke = (QKeyEvent*)e;
+	    if ( ke->key() == Key_Enter || ke->key() == Key_Return || ke->key() == Key_Tab ) {
+		if ( ke->key() == Key_Tab && listbox->count() > 1 &&
+		     listbox->currentItem() < (int)listbox->count() - 1 ) {
+		    listbox->setCurrentItem( listbox->currentItem() + 1 );
+		    return TRUE;
+		}
+		popup->close();
+		setFocus();
+		blockSignals( TRUE );
+		setText( listbox->currentText() );
+		blockSignals( FALSE );
+		emit chosen( text() );
+		return TRUE;
+	    } else if ( ke->key() == Key_Left || ke->key() == Key_Right ||
+			ke->key() == Key_Up || ke->key() == Key_Down ||
+			ke->key() == Key_Home || ke->key() == Key_End ||
+			ke->key() == Key_Prior || ke->key() == Key_Next ) {
+		return FALSE;
+	    } else if ( ke->key() == Key_Escape ) {
+		popup->close();
+		setFocus();
+	    } else if ( ke->key() != Key_Shift && ke->key() != Key_Control &&
+			ke->key() != Key_Alt ) {
+		updateListBox();
+		if ( listbox->count() == 0 || text().length() == 0 ) {
+		    popup->close();
+		    setFocus();
+		}
+		QApplication::sendEvent( this, e );
+		return TRUE;
+	    }
+	} else if ( e->type() == QEvent::MouseButtonDblClick ) {
+	    popup->close();
+	    setFocus();
+	    blockSignals( TRUE );
+	    setText( listbox->currentText() );
+	    blockSignals( FALSE );
+	    emit chosen( text() );
+	    return TRUE;
+	}
+    } else if ( o == this ) {
+	if ( e->type() == QEvent::KeyPress ) {
+	    QKeyEvent *ke = (QKeyEvent*)e;
+	    if ( ke->key() == Key_Up ||
+		 ke->key() == Key_Down ||
+		 ke->key() == Key_Prior ||
+		 ke->key() == Key_Next ||
+		 ke->key() == Key_Return ||
+		 ke->key() == Key_Enter ||
+		 ke->key() == Key_Tab ||
+		 ke->key() ==  Key_Escape ) {
+		QApplication::sendEvent( listbox, e );
+		return TRUE;
+	    }
+	}
+    }
+    return QLineEdit::eventFilter( o, e );
+}
+
+void QCompletionEdit::addCompletionEntry( const QString &entry )
+{
+    if ( compList.find( entry ) == compList.end() ) {
+	compList << entry;
+	compList.sort();
+    }
+}
+
+void QCompletionEdit::removeCompletionEntry( const QString &entry )
+{
+    QStringList::Iterator it = compList.find( entry );
+    if ( it != compList.end() )
+	compList.remove( it );
+}
+
+void QCompletionEdit::setCaseSensitive( bool b )
+{
+    caseSensitive = b;
+}
+
+bool QCompletionEdit::isCaseSensitive() const
+{
+    return caseSensitive;
+}
+
+void QCompletionEdit::clear()
+{
+    QLineEdit::clear();
+    compList.clear();
+}