indifilterinterface.h

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/*
    Filter Interface
    Copyright (C) 2011 Jasem Mutlaq ([email protected])
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
 
    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
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
*/
 
#pragma once
 
#include <string>
#include <vector>
#include "indibase.h"
#include "indipropertytext.h"
#include "indipropertynumber.h"
 
namespace INDI
{
 
class FilterInterface
{
    public:
        virtual int QueryFilter() = 0;
 
        virtual bool SelectFilter(int position) = 0;
 
        virtual bool SetFilterNames();
 
        virtual bool GetFilterNames();
 
        void SelectFilterDone(int newpos);
 
    protected:
        explicit FilterInterface(DefaultDevice *defaultDevice);
        ~FilterInterface();
 
        void initProperties(const char *groupName);
 
        bool updateProperties();
 
        bool processNumber(const char *dev, const char *name, double values[], char *names[], int n);
 
        bool processText(const char *dev, const char *name, char *texts[], char *names[], int n);
 
        void generateSampleFilters();
 
        bool saveConfigItems(FILE *fp);
 
        //  A number vector for filter slot
        INDI::PropertyNumber FilterSlotNP {1};
 
        //  A text vector that stores filter names
        INDI::PropertyText FilterNameTP {0};
 
        int CurrentFilter = 1;
        int TargetFilter = 1;
 
        DefaultDevice *m_defaultDevice { nullptr };
 
    private:
        bool loadFilterNames();
};
}