uctlmenu.hpp

/************************************************************************
 *
 *  uctlmenu.hpp : Control menus (see upiemenu.hpp)
 *  Ubit GUI Toolkit - Version 6
 *  (C) 2009 | Eric Lecolinet | TELECOM ParisTech | http://www.enst.fr/~elc/ubit
 *
 * ***********************************************************************
 * COPYRIGHT NOTICE :
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY AND WITHOUT EVEN THE
 * IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
 * 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.
 * SEE FILES 'COPYRIGHT' AND 'COPYING' FOR MORE DETAILS.
 * ***********************************************************************/

#ifndef _uctlmenu_hpp_
#define _uctlmenu_hpp_ 1
#include <ubit/upiemenu.hpp>
#include <ubit/ucall.hpp>
namespace ubit {
  
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  class UCtlmenu : public UPiemenu {
  public:
    UCLASS(UCtlmenu)
    static UStyle* createStyle();

    UCtlmenu();
  };
  
  inline UCtlmenu& uctlmenu() {return *new UCtlmenu;}
  
  
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  class UCtlAction : public UCall {
  public:
    UCtlAction(float _gain) : xmag(_gain), ymag(_gain) {}
    virtual ~UCtlAction() {}
    
    void  setGain(float _gain) {xmag = ymag = _gain;}
    void  setGain(float _xgain, float _ygain) {xmag = _xgain, ymag = _ygain;}
    float getXGain() const {return xmag;}
    float getYGain() const {return ymag;}
    
  protected:
    virtual void mdrag(UMouseEvent& e, UCtlmenu&) = 0;
    virtual void operator()(UEvent&);
    
    virtual void addingTo(UChild&, UElem& parent);
    
    float xmag, ymag;
  };
  
  
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  class UZoomAction : public UCtlAction {
  public:
    UZoomAction(UBox& zoomed_box, float gain = 0.5);
  protected:
    uptr<UBox> zbox;     // zoomed box
    uptr<UPos> posAttr; // box pos attribute (NB: its value is scale independent)
    uptr<UScale> scaleAttr; // box scale attribute
    float  zbox_scale0;    // initial scale of box 
    UPoint zbox_pos0;     // initial (scale indep) pos of box in its container
    UPoint mouse_in_zbox0;
    float mouse_delta;
    virtual void mdrag(UMouseEvent&, UCtlmenu&);
  };
  
  
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  class UPanAction : public UCtlAction {
  public:
    UPanAction(UBox& panned_box, float gain = 1.);
  protected:
    uptr<UBox> box;     // panned box
    uptr<UPos> posAttr; // box pos attribute (NB: its value is scale independent)
    UPoint pos0;        // initial (scale indep) pos of box in its container
    //float container_scale;
    virtual void mdrag(UMouseEvent&, UCtlmenu&);
  };

  
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  class UScrollAction : public UCtlAction {
  public:
    UScrollAction(UScrollpane&, float gain = 0.33);
    UScrollAction(float gain = 0.3);

    void setPane(UScrollpane&);
    UScrollpane* getPane() const {return pane;}
    
  protected:
    virtual void mdrag(UMouseEvent&, UCtlmenu&);
    UScrollpane* pane;
    float arm_xpos, arm_ypos, xpos, ypos;
  };
  
}
#endif