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routingwidget.h

/*
 *  qlo10k1 - GUI frontend for ld10k1
 *
 *  Copyright (c) 2004 by Peter Zubaj
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */
 
#ifndef ROUTINGWIDGET_H
#define ROUTINGWIDGET_H

#include <qwidget.h>
#include <qlayout.h>
#include <qscrollview.h>

#include "custom_colors.h"

class RoutingWidget;
class QPushButton;
class QSpinBox;
class StrGlobal;
class RSItemBaseWithType;
class RSItemIO;

class RoutingDrawWidget : public QScrollView
{
      Q_OBJECT
      
      enum EditMode {None, Select, ResizeTopLeft, ResizeTopRight, ResizeBottomLeft, ResizeBottomRight, HandleMove, Move, DragLink};
      
      EditMode mode;
      
      // for select
      QPoint selectStartPoint;
      QPoint selectEndPoint;
      
      RSItemBaseWithType *resizeItem;
      int linkHandle;
      
      RSItemIO *linkStart;
      
      QFont titleFont;
public:
      RoutingDrawWidget(RoutingWidget *parent = 0, const char *name = 0, WFlags f = 0);
      ~RoutingDrawWidget();
      
      void startLinkDrag(RSItemIO *si, int xp, int yp);
      void updateDragLink();
      void stopLinkDrag();
      void connectLinkDrag(int xp, int yp, int mxp, int myp);
      bool isDragLink()
      {
            return mode == DragLink;
      }
      
      void deleteAllSelected();
      void deleteOneSelected(RSItemBaseWithType *item);
      
      QFont &createFont(float zoom);
      
protected:
      void drawContents(QPainter* p, int cx, int cy, int cw, int ch);
      virtual void mousePressEvent(QMouseEvent *e);
      virtual void mouseMoveEvent(QMouseEvent *e);
      virtual void mouseReleaseEvent(QMouseEvent *e);
      virtual void keyPressEvent(QKeyEvent *e);
};

class RoutingWidget : public QWidget
{
      Q_OBJECT

public:
      enum EditMode {Normal, FX, In, Out, Route, Effect, EffectStack};
      enum MenuMode {MenuNone, MenuObjects, MenuIO, MenuPatch, MenuLink};
private:
      RoutingDrawWidget *drawing;
      QVBoxLayout *RoutingWidgetLayout;

      EditMode widgetMode;

      void untoggleMode(EditMode m);
      void toggleMode(EditMode m);

      QPushButton *pbRoutingNormal;
      QPushButton *pbRoutingFX;
      QPushButton *pbRoutingIn;
      QPushButton *pbRoutingOut;
      QPushButton *pbRoutingRoute;
      QPushButton *pbRoutingEffect;
      QPushButton *pbRoutingEffectStack;

      QSpinBox *sbRoutingZoom;
      float zoomLevel;
      StrGlobal *structure;

      RSItemBaseWithType *itemOn;
      int posXOn;
      int posYOn;
public:
      RoutingWidget(QWidget *parent = 0, const char *name = 0, WFlags f = 0);
      ~RoutingWidget();

      void createButtons();
      StrGlobal *getStructure()
      {
            return structure;
      }
      
      RoutingDrawWidget *getDrawing()
      {
            return drawing;
      }
      
      void refreshDrawing(StrGlobal *str);
      void setZoomLevel(float level);
      float getZoomLevel();
      int zoomVal(int val)
      {
            return (int)(getZoomLevel() * (float)val);
      };
      
      int deZoomVal(int val)
      {
            return (int)((float)val / getZoomLevel());
      };
      
      void updateZoomLevelCtrl(int level);
      
      EditMode getWidgetMode();
      
      void putNewObjectAt(int xp, int yp);
      RSItemBaseWithType *createNewIO(EditMode em);
      RSItemBaseWithType *createNewPatch();
      
      void startLinkDrag(int xp, int yp);
      
      void openObjectMenuAt(RSItemBaseWithType *item, MenuMode mm, int xp, int yp, int mxp, int myp);
      
      friend class RoutingDrawWidget;
public slots:
      void modeNormalClicked();
      void modeFxClicked();
      void modeInClicked();
      void modeOutClicked();
      void modeRouteClicked();
      void modeEffectClicked();
      void modeEffectStackClicked();


      void zoomValueChanged(int value);
      void zoomInClicked();
      void zoomOutClicked();
};

#endif // ROUTINGWIDGET_H


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