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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit2bda8f7717adf28da4af0d34fb82f63d2868c31d (patch)
tree8d927b7b47a90c4adb646482a52613f58acd6f8c /kregexpeditor/altnwidget.cpp
downloadtdeutils-2bda8f7717adf28da4af0d34fb82f63d2868c31d.tar.gz
tdeutils-2bda8f7717adf28da4af0d34fb82f63d2868c31d.zip
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/kdeutils@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kregexpeditor/altnwidget.cpp b/kregexpeditor/altnwidget.cpp
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+/*
+ * Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@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 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ **/
+#ifdef QT_ONLY
+ #include "compat.h"
+#else
+ #include <klocale.h>
+ #include <kmessagebox.h>
+#endif
+
+#include "altnwidget.h"
+#include "dragaccepter.h"
+#include "concwidget.h"
+#include "altnregexp.h"
+#include <qpainter.h>
+
+AltnWidget::AltnWidget(RegExpEditorWindow* editorWindow, QWidget *parent,
+ const char *name)
+ :MultiContainerWidget(editorWindow, parent, name == 0 ? "AltnWidget" : name)
+{
+ DragAccepter *accepter = new DragAccepter(editorWindow, this);
+ accepter->resize(0,0); // See note (1) in Comments
+ _children.append(accepter);
+ _text = i18n("Alternatives");
+}
+
+AltnWidget::AltnWidget( AltnRegExp* regexp, RegExpEditorWindow* editorWindow,
+ QWidget* parent, const char* name)
+ :MultiContainerWidget( editorWindow, parent, name )
+{
+ DragAccepter *accepter = new DragAccepter(editorWindow, this);
+ accepter->resize(0,0); // See note (1) in Comments
+ _children.append(accepter);
+ _text = i18n("Alternatives");
+
+ RegExpList list = regexp->children();
+ for ( RegExpListIt it(list); *it; ++it ) {
+ RegExpWidget* child = WidgetFactory::createWidget( *it, editorWindow, this );
+ ConcWidget* conc;
+ if ( ! (conc = dynamic_cast<ConcWidget*>( child ) ) ) {
+ conc = new ConcWidget( editorWindow, child, parent );
+ }
+ append( conc );
+ }
+ updateDrawLineInfo();
+}
+
+
+void AltnWidget::addNewChild(DragAccepter *accepter, RegExpWidget *child)
+{
+ ConcWidget *conc = new ConcWidget(_editorWindow, child,this);
+ MultiContainerWidget::addNewChild( accepter, conc );
+ updateDrawLineInfo();
+ repaint();
+}
+
+void AltnWidget::setConcChild(ConcWidget *child)
+{
+ addNewConcChild( dynamic_cast<DragAccepter*>(_children.at(0)), child );
+}
+
+void AltnWidget::addNewConcChild(DragAccepter *accepter, ConcWidget *child)
+{
+ child->reparent(this, QPoint(0,0), false);
+ MultiContainerWidget::addNewChild( accepter, child );
+ updateDrawLineInfo();
+}
+
+
+QSize AltnWidget::sizeHint() const
+{
+ QPtrListIterator<RegExpWidget> it(_children);
+ // Skip the first child, as we only need half of the size of the first and the
+ // last drag accepter. Does, however, not apply when there only is onw child.
+ if ( _children.count() != 1 )
+ ++it;
+
+ _childrenWidth = 0;
+ _childrenHeight = 0;
+
+ for ( ; *it ; ++it) {
+ QSize thisChildSize = (*it)->sizeHint();
+ _childrenWidth = QMAX(_childrenWidth, thisChildSize.width());
+ _childrenHeight += thisChildSize.height();
+ }
+
+ // Now add the size of the header
+ QFontMetrics metrics = fontMetrics();
+ _textSize = metrics.size(0,_text);
+
+ int headerWidth = _textSize.width() + 2 * bdSize + 2;
+
+ _childrenWidth = QMAX(_childrenWidth, headerWidth);
+
+ return QSize(_childrenWidth + 2*pw, _childrenHeight + _textSize.height() + 1*pw );
+}
+
+void AltnWidget::paintEvent( QPaintEvent *e)
+{
+ Q_ASSERT( dynamic_cast<DragAccepter*>(_children.at(0)) );
+ // if this fails, then I should check the location of the show()
+ Q_ASSERT( _children.count() == 1 ||
+ ( _children.count() >=3 &&
+ dynamic_cast<DragAccepter*>(_children.at(_children.count()-1)) ) );
+
+ int offset = 0;
+ QSize mySize = sizeHint();
+
+ QPainter painter(this);
+ drawPossibleSelection( painter, mySize );
+
+ //-------------------------------------- First draw the border and text
+ int startY = _textSize.height()/2;
+
+ painter.drawLine(0, startY, bdSize, startY);
+ int xOffset = bdSize +1;
+
+ painter.drawText(xOffset,0,_textSize.width(), _textSize.height(),0,_text);
+ xOffset += _textSize.width() +1;
+ painter.drawLine(xOffset,startY,mySize.width(), startY);
+ painter.drawLine(0,startY,0,mySize.height());
+ painter.drawLine(mySize.width()-pw, startY, mySize.width()-pw, mySize.height());
+ painter.drawLine(0,mySize.height()-pw, mySize.width()-pw, mySize.height()-pw);
+
+ //---- Run through all the children and place them at the correct location.
+ offset = _textSize.height();
+ xOffset = pw;
+
+ for (unsigned int i = 0; i < _children.count(); i++ ) {
+
+ RegExpWidget* child = _children.at(i);
+
+ QSize childSize = child->sizeHint();
+ QSize curChildSize = child->size();
+
+ //-------------------------------------- place the child
+ int x = xOffset;
+ int y = offset;
+ int h = childSize.height();
+ if ( ( _children.count() != 1 ) && ( i == 0 || i == _children.count() -1 ) ) {
+ // first and last DragAccepter should only be half size.
+ h /= 2;
+ }
+
+ int w = _childrenWidth;
+ child->setGeometry( x, y, w, h );
+ if ( w != curChildSize.width() || h != curChildSize.height() ) {
+ // I resized the child, so give it a chance to relect thus.
+ child->update();
+ }
+
+ offset += h;
+ }
+ MultiContainerWidget::paintEvent( e );
+}
+
+RegExp* AltnWidget::regExp() const
+{
+ AltnRegExp *regexp = new AltnRegExp( isSelected() );
+
+ QPtrListIterator<RegExpWidget> it(_children);
+ ++it; // start with the second element
+ for ( ; *it; it+=2 ) {
+ regexp->addRegExp( (*it)->regExp() );
+ }
+
+ return regexp;
+}
+
+void AltnWidget::applyRegExpToSelection( RegExpType type )
+{
+ for ( unsigned int i=1; i < _children.count(); i += 2 ) {
+ RegExpWidget* child = _children.at( i );
+ if ( child->hasSelection() ) {
+ child->applyRegExpToSelection( type );
+ }
+ }
+}
+
+
+RegExp* AltnWidget::selection() const
+{
+ if ( isSelected() )
+ return regExp();
+ else {
+ QPtrListIterator<RegExpWidget> it(_children);
+ ++it; // Skip past DragAccepter
+ for ( ; *it; it+=2 ) {
+ if ( (*it)->hasSelection() ) {
+ return (*it)->selection();
+ }
+ }
+ }
+ qFatal("Selection not found");
+ return 0; // compiler shut up.
+}
+
+bool AltnWidget::validateSelection() const
+{
+ if ( _isSelected ) {
+ return true;
+ }
+
+ bool foundASelection = false;
+ QPtrListIterator<RegExpWidget> it(_children);
+ ++it; // Skip past DragAccepter
+ for ( ; *it; it+=2 ) {
+ if ( (*it)->hasSelection() ) {
+ if ( foundASelection ) {
+ KMessageBox::information( const_cast<AltnWidget*>(this),
+ i18n( "Selecting several alternatives is "
+ "currently not supported." ),
+ i18n( "Selection Invalid" ) );
+ _editorWindow->clearSelection( true );
+ return false;
+ }
+ else {
+ foundASelection = true;
+ }
+ }
+ }
+ return true;
+}
+
+void AltnWidget::updateDrawLineInfo()
+{
+ for ( unsigned int i=0; i < _children.count(); i+=2 ) {
+ bool line = ( i != 0 && i!= _children.count()-1 );
+ DragAccepter *accepter = dynamic_cast<DragAccepter*>(_children.at(i));
+ if (accepter)
+ accepter->setDrawLine( line );
+ }
+}
+
+void AltnWidget::deleteSelection()
+{
+ MultiContainerWidget::deleteSelection();
+ updateDrawLineInfo();
+}
+