ds_edit.h

/* Copyright (C) 2017 - 2024, Thornwave Labs Inc - All Rights Reserved.
 * Unauthorized copying of this file, via any medium is strictly prohibited.
 * Proprietary and confidential.
 * Written by Razvan Turiac <razvan.turiac@thornwave.com>
*/
 
#ifndef _DS_EDIT_H
#define _DS_EDIT_H
 
 
#include <ds_view.h>
#include <ds_string.h>
 
 
class DsEdit: public DsView
{
public:
    class Validator
    {
    public:
        virtual bool operator()(const DsString &text) = 0;
    };
 
 
    class SignedIntegerValidator: public Validator
    {
    public:
        SignedIntegerValidator(int64_t min, int64_t max, uint8_t base = 10);
 
    private:
        uint8_t mBase;
        int64_t mMin;
        int64_t mMax;
 
        bool operator()(const DsString &text) override final;
    };
 
 
    class UnsignedIntegerValidator: public Validator
    {
    public:
        UnsignedIntegerValidator(uint64_t min, uint64_t max, uint8_t base = 10);
        
    private:
        uint8_t mBase;
        uint64_t mMin;
        uint64_t mMax;
 
        bool operator()(const DsString &text) override final;
    };
 
 
    class FloatValidator: public Validator
    {
    public:
        FloatValidator(float min, float max);
        
 
    private:
        float mMin;
        float mMax;
 
        bool operator()(const DsString &text) override final;
    };
 
    
    class Listener
    {
    public:
        virtual void onEditBoxFocused(DsEdit* object) {}
 
        virtual void onEditBoxChanged(DsEdit* object) {}
 
        virtual void onEditBoxNewLine(DsEdit* object) {}
 
        virtual void onEditBoxValidation(DsEdit* object, bool is_valid) {}
    };
 
    
    DsEdit(DsView* parent, const DsPoint &pos, const DsSize &size, size_t text_capacity);
 
    
    void setMaxTextLength(size_t length);
 
    
    size_t getMaxTextLength(void) const;
    
    
    size_t getTextLength(void) const;
 
 
    void setHint(const char* text);
 
 
    void setHintColor(DsColor color);
 
    
    void setHintFont(const ds_bitmap_font_t* font);
    
    
    void setTextColor(DsColor color);
 
    
    void setTextFont(const ds_bitmap_font_t* font);
    
    
    void setPasswordMode(bool password_mode);
    
    
    void setListener(Listener* listener);
 
 
    int64_t getValueAsSigned(void) const;
 
    
    uint64_t getValueAsUnsigned(void) const;
 
    
    float getValueAsFloat(void) const;
 
    
    const char* getValueAsString(void) const;
 
 
    void setValidator(Validator* validator);
 
    
    void setInvalidValue(void);
    
    
    bool isValidValue(void) const;
    
 
    void validateValue(void);
 
    
    void setValue(const char* format, ...);
 
 
    void setValue(const char* format, va_list args);
 
 
    void clear(void);
 
private:
    DsAlignment mAlignment;
    Validator* mValidator;
    bool mIsValueValid;
 
    const char* mHint;
    DsColor mHintColor;
    const ds_bitmap_font_t* mHintFont;
 
    DsColor mTextColor;
    const ds_bitmap_font_t* mTextFont;
    bool mPasswordMode;
 
    Listener* mListener;
 
    DsString mText;
    size_t mMaxTextLength;
    
    void onPaint(DsRenderer &renderer) override final;
    void onKeyboard(int32_t key) override final;
};
 
 
#endif