/************************** BEGIN UI.h **************************/
/************************************************************************
 FAUST Architecture File
 Copyright (C) 2003-2020 GRAME, Centre National de Creation Musicale
 ---------------------------------------------------------------------
 This Architecture section 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 3 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, see <http://www.gnu.org/licenses/>.
 
 EXCEPTION : As a special exception, you may create a larger work
 that contains this FAUST architecture section and distribute
 that work under terms of your choice, so long as this FAUST
 architecture section is not modified.
 ************************************************************************/

#ifndef __UI_H__
#define __UI_H__

#ifndef FAUSTFLOAT
#define FAUSTFLOAT float
#endif

/*******************************************************************************
 * UI : Faust DSP User Interface
 * User Interface as expected by the buildUserInterface() method of a DSP.
 * This abstract class contains only the method that the Faust compiler can
 * generate to describe a DSP user interface.
 ******************************************************************************/

struct Soundfile;

template <typename REAL>
struct UIReal
{
    UIReal() {}
    virtual ~UIReal() {}
    
    // -- widget's layouts
    
    virtual void openTabBox(const char* label) = 0;
    virtual void openHorizontalBox(const char* label) = 0;
    virtual void openVerticalBox(const char* label) = 0;
    virtual void closeBox() = 0;
    
    // -- active widgets
    
    virtual void addButton(const char* label, REAL* zone) = 0;
    virtual void addCheckButton(const char* label, REAL* zone) = 0;
    virtual void addVerticalSlider(const char* label, REAL* zone, REAL init, REAL min, REAL max, REAL step) = 0;
    virtual void addHorizontalSlider(const char* label, REAL* zone, REAL init, REAL min, REAL max, REAL step) = 0;
    virtual void addNumEntry(const char* label, REAL* zone, REAL init, REAL min, REAL max, REAL step) = 0;
    
    // -- passive widgets
    
    virtual void addHorizontalBargraph(const char* label, REAL* zone, REAL min, REAL max) = 0;
    virtual void addVerticalBargraph(const char* label, REAL* zone, REAL min, REAL max) = 0;
    
    // -- soundfiles
    
    virtual void addSoundfile(const char* label, const char* filename, Soundfile** sf_zone) = 0;
    
    // -- metadata declarations
    
    virtual void declare(REAL* zone, const char* key, const char* val) {}
    
    // To be used by LLVM client
    virtual int sizeOfFAUSTFLOAT() { return sizeof(FAUSTFLOAT); }
};

struct UI : public UIReal<FAUSTFLOAT>
{
    UI() {}
    virtual ~UI() {}
};

#endif
/**************************  END  UI.h **************************/