1 files changed, 139 insertions, 0 deletions
diff --git a/kregexpeditor/dragaccepter.cpp b/kregexpeditor/dragaccepter.cpp
new file mode 100644
index 0000000..0198e58
--- /dev/null
+++ b/kregexpeditor/dragaccepter.cpp
@@ -0,0 +1,139 @@
+/*
+ *  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.
+ **/
+#include "dragaccepter.h"
+#include "concwidget.h"
+
+#include <qpainter.h>
+
+DragAccepter::DragAccepter(RegExpEditorWindow* editorWindow, RegExpWidget *parent,
+                           const char *name)
+  : RegExpWidget(editorWindow, parent, name == 0 ? "dragaccepter" : name ),
+    _drawLine( false )
+{
+  setAcceptDrops(TRUE);
+}
+
+QSize DragAccepter::sizeHint() const
+{
+  return QSize(10,10);
+}
+
+void DragAccepter::paintEvent(QPaintEvent *e)
+{
+  QPainter painter(this);
+  drawPossibleSelection( painter, size() );
+
+  if ( _drawLine )
+    painter.drawLine( 0, height()/2, width(), height()/2 );
+
+  RegExpWidget::paintEvent(e);
+}
+
+void DragAccepter::mousePressEvent ( QMouseEvent* event )
+{
+  if ( event->button() == RightButton ) {
+    _editorWindow->showRMBMenu( _editorWindow->hasSelection() );
+  }
+  else {
+    RegExpWidget::mousePressEvent( event );
+  }
+}
+
+void DragAccepter::mouseReleaseEvent( QMouseEvent* event )
+{
+  if ( _editorWindow->isPasteing() && event->button() == LeftButton ) {
+    RegExp* regexp = _editorWindow->pasteData();
+
+    RegExpWidget *newElm = WidgetFactory::createWidget( regexp, _editorWindow, 0 );
+    if ( newElm ) {
+      ConcWidget* elm;
+      if (! (elm = dynamic_cast<ConcWidget*>( newElm ) ) ) {
+        elm = new ConcWidget( _editorWindow, newElm, 0 );
+      }
+
+      Q_ASSERT( elm );
+
+      RegExpWidget *w = dynamic_cast<RegExpWidget*>(parent());
+      if (w)
+        w->addNewConcChild(this, elm);
+      _editorWindow->updateContent( this );
+      _editorWindow->clearSelection( true );
+    }
+  }
+  else if ( _editorWindow->isInserting() && event->button() == LeftButton  ) {
+    if ( WidgetFactory::isContainer( _editorWindow->insertType() ) &&
+         _editorWindow->pointSelected( mapToGlobal( event->pos() ) ) ) {
+      RegExpWidget::mouseReleaseEvent( event );
+    }
+    else {
+      RegExpWidget *child = WidgetFactory::createWidget( _editorWindow,
+                                                         dynamic_cast<QWidget*>(parent()),
+                                                         _editorWindow->insertType() );
+      if ( child ) {
+        RegExpWidget *w = dynamic_cast<RegExpWidget*>(parent());
+        if (w)
+          w->addNewChild(this, child);
+        _editorWindow->updateContent( child );
+        child->setFocus();
+        _editorWindow->clearSelection( true );
+      }
+    }
+  }
+  _editorWindow->slotEndActions();
+}
+
+
+void DragAccepter::dragEnterEvent(QDragEnterEvent *event)
+{
+  bool selfDrag = (  event->source() && event->source()->topLevelWidget() == topLevelWidget() && _isSelected );
+  event->accept(RegExpWidgetDrag::canDecode( event ) && !selfDrag );
+}
+
+void DragAccepter::dropEvent(QDropEvent *event)
+{
+  // The widget will be reparent afterward or part of it will, so no need to give
+  // it a parent here.
+  RegExpWidget *newElm = RegExpWidgetDrag::decode( event, _editorWindow, 0 );
+  ConcWidget* elm;
+  if ( !(elm = dynamic_cast<ConcWidget*>( newElm ) ) ) {
+    elm = new ConcWidget( _editorWindow, newElm, 0 );
+  }
+
+  Q_ASSERT( elm );
+
+  RegExpWidget *rew = dynamic_cast<RegExpWidget*>(parent());
+  if (rew)
+    rew->addNewConcChild(this, elm);
+  QWidget *w = dynamic_cast<QWidget*>(parent());
+  if (w)
+    w->update();
+  _editorWindow->updateContent( this );
+
+  bool selfDrag = (  event->source() && event->source()->topLevelWidget() == topLevelWidget() );
+  if ( ! selfDrag )
+    _editorWindow->clearSelection( true );
+  else {
+    // selection should not be cleared here, since we might want to delete it.
+  }
+  event->accept();
+}
+
+RegExp* DragAccepter::regExp() const
+{
+	return 0;
+}