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140 lines
4.3 KiB
140 lines
4.3 KiB
/*
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* Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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**/
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#include "dragaccepter.h"
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#include "concwidget.h"
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#include <tqpainter.h>
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DragAccepter::DragAccepter(RegExpEditorWindow* editorWindow, RegExpWidget *parent,
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const char *name)
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: RegExpWidget(editorWindow, parent, name == 0 ? "dragaccepter" : name ),
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_drawLine( false )
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{
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setAcceptDrops(TRUE);
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}
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TQSize DragAccepter::sizeHint() const
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{
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return TQSize(10,10);
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}
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void DragAccepter::paintEvent(TQPaintEvent *e)
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{
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TQPainter painter(this);
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drawPossibleSelection( painter, size() );
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if ( _drawLine )
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painter.drawLine( 0, height()/2, width(), height()/2 );
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RegExpWidget::paintEvent(e);
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}
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void DragAccepter::mousePressEvent ( TQMouseEvent* event )
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{
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if ( event->button() == TQt::RightButton ) {
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_editorWindow->showRMBMenu( _editorWindow->hasSelection() );
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}
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else {
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RegExpWidget::mousePressEvent( event );
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}
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}
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void DragAccepter::mouseReleaseEvent( TQMouseEvent* event )
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{
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if ( _editorWindow->isPasteing() && event->button() == TQt::LeftButton ) {
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RegExp* regexp = _editorWindow->pasteData();
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RegExpWidget *newElm = WidgetFactory::createWidget( regexp, _editorWindow, 0 );
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if ( newElm ) {
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ConcWidget* elm;
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if (! (elm = dynamic_cast<ConcWidget*>( newElm ) ) ) {
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elm = new ConcWidget( _editorWindow, newElm, 0 );
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}
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Q_ASSERT( elm );
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RegExpWidget *w = dynamic_cast<RegExpWidget*>(parent());
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if (w)
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w->addNewConcChild(this, elm);
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_editorWindow->updateContent( this );
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_editorWindow->clearSelection( true );
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}
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}
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else if ( _editorWindow->isInserting() && event->button() == TQt::LeftButton ) {
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if ( WidgetFactory::isContainer( _editorWindow->insertType() ) &&
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_editorWindow->pointSelected( mapToGlobal( event->pos() ) ) ) {
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RegExpWidget::mouseReleaseEvent( event );
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}
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else {
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RegExpWidget *child = WidgetFactory::createWidget( _editorWindow,
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dynamic_cast<TQWidget*>(parent()),
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_editorWindow->insertType() );
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if ( child ) {
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RegExpWidget *w = dynamic_cast<RegExpWidget*>(parent());
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if (w)
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w->addNewChild(this, child);
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_editorWindow->updateContent( child );
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child->setFocus();
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_editorWindow->clearSelection( true );
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}
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}
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}
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_editorWindow->slotEndActions();
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}
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void DragAccepter::dragEnterEvent(TQDragEnterEvent *event)
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{
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bool selfDrag = ( event->source() && event->source()->topLevelWidget() == topLevelWidget() && _isSelected );
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event->accept(RegExpWidgetDrag::canDecode( event ) && !selfDrag );
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}
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void DragAccepter::dropEvent(TQDropEvent *event)
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{
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// The widget will be reparent afterward or part of it will, so no need to give
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// it a parent here.
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RegExpWidget *newElm = RegExpWidgetDrag::decode( event, _editorWindow, 0 );
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ConcWidget* elm;
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if ( !(elm = dynamic_cast<ConcWidget*>( newElm ) ) ) {
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elm = new ConcWidget( _editorWindow, newElm, 0 );
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}
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Q_ASSERT( elm );
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RegExpWidget *rew = dynamic_cast<RegExpWidget*>(parent());
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if (rew)
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rew->addNewConcChild(this, elm);
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TQWidget *w = dynamic_cast<TQWidget*>(parent());
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if (w)
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w->update();
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_editorWindow->updateContent( this );
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bool selfDrag = ( event->source() && event->source()->topLevelWidget() == topLevelWidget() );
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if ( ! selfDrag )
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_editorWindow->clearSelection( true );
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else {
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// selection should not be cleared here, since we might want to delete it.
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}
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event->accept();
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}
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RegExp* DragAccepter::regExp() const
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{
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return 0;
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}
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