studio/src/plugins/gui_editor/expression_link.h

   1 // Ryzom Core Studio - GUI Editor Plugin
   2 //
   3 // Copyright (C) 2010-2014  Laszlo KIS-ADAM (dfighter) <dfighter1985@gmail.com>
   4 //
   5 // This program is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU Affero General Public License as
   7 // published by the Free Software Foundation, either version 3 of the
   8 // License, or (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU Affero General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU Affero General Public License
  16 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 #ifndef EXPRESSION_LINK
  19 #define EXPRESSION_LINK
  20
  21 #include <QGraphicsItem>
  22
  23 class ExpressionNode;
  24
  25 class ExpressionLink : public QGraphicsLineItem
  26 {
  27 public:
  28         ExpressionLink( QGraphicsItem *parent = NULL );
  29         ~ExpressionLink();
  30
  31         void link( ExpressionNode *from, ExpressionNode *to, int fromSlot, int toSlot );
  32         void unlink();
  33
  34         void nodeMoved();
  35
  36         void paint( QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget );
  37
  38         ExpressionNode* from() const{ return m_from; }
  39         ExpressionNode* to() const{ return m_to; }
  40
  41 private:
  42         ExpressionNode *m_from;
  43         ExpressionNode *m_to;
  44
  45         int m_fromSlot;
  46         int m_toSlot;
  47 };
  48
  49 #endif
  50