BindTextInput.hpp

#ifndef __BINDTEXTINPUT_H
#define __BINDTEXTINPUT_H
 
#include "BindView.hpp"
#include "BindUtils.hpp"
#include "Arduino.h"
class BindTextInput : public BindView
{
public:
    BindTextInput();
    BindTextInput(int16_t x, int16_t y, uint8_t cmdId, const char *text, const char *hint, int16_t fontSize, int32_t textColor = 0, int32_t backColor = 0, uint8_t widthChars = 0, bool numberOnly = false);
 
    void setCallback(void (*callback)(const char *, uint8_t))
    {
        changeCallback = callback;
    }
 
    void invokeCallback(const char *val, uint8_t length)
    {
        setText(val, length);
        if (changeCallback != nullptr)
        {
            changeCallback(val, length);
        }
    }
 
    void setText(const char *cstr)
    {
        setText(cstr, strlen(cstr));
    }
 
    void setText(const char *cstr, int length)
    {
        if (cstr == text || length < 0) {
            return; // Handle self-assignment
        }
        
        // Allocate memory for the new text
        if (text != nullptr) {
            delete[] text;
        }
        text = new char[length + 1];
        strncpy(text, cstr, length);
        text[length] = '\0'; // Null-terminate the string
        strLength = length;
    }
 
    void setHint(const char *cstr)
    {
        hint = cstr;
    }
 
    const char* getText() const
    {
        return text;
    }
 
    uint16_t getBytes(uint8_t *out) override;
 
    int16_t x; 
    int16_t y; 
    uint8_t cmdId; 
    int16_t fontSize = 18; 
    int32_t textColor = WHITE; 
    int32_t backColor = TRANSPARENT; 
    uint8_t widthChars; 
    bool numberOnly = false;
    char *text = nullptr; 
    
 
private:
    uint8_t objID = BIND_ID_TEXTINPUT; 
    uint16_t offset = 0; 
    int strLength = 0; 
    const char *hint; 
    static int16_t tagIndex; 
    void (*changeCallback)(const char *, uint8_t) = nullptr;
};
 
#endif /* __BINDTEXTINPUT_H */