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/**
 * @file buttons.h
 * @brief The touch buttons.
 */

#ifndef _BUTTONS_H
#define _BUTTONS_H

#define MAXBUTTONS              40	///< Maximum buttons on a screen


/**
 * @brief Definition of the touch screen buttons.
 */
typedef struct {
    int         x;              ///< Starting X position, -1 is terminator.
    int         y;              ///< Starting Y position
    int         w;              ///< Width
    int         h;              ///< Height
    char        text[11];       ///< Button text
    bool	dark;		///< Alternate dark color.
    bool	small;		///< Use small font.
    bool	lock;		///< Indicate locked color.
} sButton;


/**
 * @brief Wait for the touch screen is released.
 */
void WaitTouchReleased(void);

/**
 * @brief Clear the configured buttons list
 */
void Buttons_Clear(void);

/**
 * @brief Add a button to the buttons list.
 * @param x The X start position
 * @param y The Y start position
 * @param w The width of the button in pixels
 * @param h The height of the button in pixels.
 * @param txt The text to display on the button.
 *            If the txt is empty, no key will be shown.
 *            Use this for other areas that must act as a key.
 * @param order The order number in the list.
 */
void Buttons_Add(int x, int y, int w, int h, char *txt, int order);

/**
 * @brief Draw all defined buttons in the list on the screen.
 */
void Buttons_Show(void);

/**
 * @brief Search if the x and y coordinates belong to a button.
 * @param x The touched X position.
 * @param y The touched Y position.
 * @return The order number if a valid button, -1 is not valid.
 */
int Buttons_Search(int x, int y);

/**
 * @brief Scan for the touch of a button. A touch is only valid after the
 *        screen is left untouched. So a short or long press makes no difference.
 * @return The order number for a valid button, -1 if not valid.
 */
int Buttons_Scan(void);

/**
 * @brief Insert button coordinates received from a websocket.
 * @param x The touched X position.
 * @param y The touched Y position.
 */
void WS_touched(int x, int y);

/**
 * @brief Scan keyboard, all characters, 4 screens.
 * @return The ASCII code of the key, or -1 if no key is pressed.
 */
int KeyBoardAll(void);

/**
 * @brief Scan keyboard, just digits.
 * @return The ASCII code of the key, or -1 if no key is pressed.
 */
int KeyBoardDigits(void);

/**
 * @brief Show data text field.
 * @param x The X position on the screen
 * @param y The Y position on the screen
 * @param label The field name text
 * @param txt The field text data
 */
void ShowText(uint16_t x, uint16_t y, char *label, char *txt);

/**
 * @brief Show integer data field.
 * @param x The X position on the screen
 * @param y The Y position on the screen
 * @param label The field name text
 * @param suffix Some text after the data value or NULL
 * @param val The integer data value to show.
 */
void ShowInteger(uint16_t x, uint16_t y, char *label, char *suffix, int val);

/**
 * @brief Show boolean data field.
 * @param x The X position on the screen
 * @param y The Y position on the screen
 * @param label The field name text
 * @param val The bolean value, displays 'J' or 'N'
 */
void ShowBool(uint16_t x, uint16_t y, char *label, bool val);

/**
 * @brief Show SSR2 value.
 * @param x The X position on the screen
 * @param y The Y position on the screen
 * @param val The SSR2 value.
 */
void ShowSSR2(uint16_t x, uint16_t y, int val);

/**
 * @brief Show float data field.
 * @param x The X position on the screen
 * @param y The Y position on the screen
 * @param label The field name text
 * @param suffix Some text after the data value or NULL
 * @param val The float data value to show.
 * @param decimals The number of decimals to show.
 */
void ShowFloat(uint16_t x, uint16_t y, char *label, char *suffix, float val, int decimals);

/**
 @brief Show double data field.
 * @param x The X position on the screen
 * @param y The Y position on the screen
 * @param label The field name text
 * @param suffix Some text after the data value or NULL
 * @param val The float data value to show.
 * @param decimals The number of decimals to show.
 */
 void ShowDouble(uint16_t x, uint16_t y, char *label, char *suffix, double val, int decimals);

/**
 * @brief Edit data field. A complete new screen is used.
 * @param label The field name text
 * @param txt The field text data
 * @param errmsg The error message to show after an input error.
 * @param len The total length of the data field.
 * @param type The keyboard type to use.
 */
void Editer(char *label, char *txt, char *errmsg, int len, int type);

/**
 * @brief Edit data field. A complete new screen is used.
 * @param label The field name text
 * @param txt The field text data
 * @param len The total length of the data field.
 */
void EditText(char *label, char *txt, int len);

/**
 * @brief Edit data field. A complete new screen is used.
 * @param label The field name text
 * @param txt The field text data
 * @param len The total length of the data field.
 * @param min The minimum field length.
 */
 void EditTextMin(char *label, char *txt, int len, int min);

/**
 * @brief Edit integer field. A complete new screen is used.
 * @param label The field name text
 * @param val The field integer data
 * @param min The minimum value of the data.
 * @param max The maximum value of the data.
 */
void EditInt(char *label, int *val, int min, int max);

/**
 * @brief Edit uint8_t field. A complete new screen is used.
 * @param label The field name text
 * @param val The field uint8_t data
 * @param min The minimum value of the data.
 * @param max The maximum value of the data.
 */
void EditUint8(char *label, uint8_t *val, uint8_t min, uint8_t max);

/**
 * @brief Edit uint16_t field. A complete new screen is used.
 * @param label The field name text
 * @param val The field uint16_t data
 * @param min The minimum value of the data.
 * @param max The maximum value of the data.
 */
void EditUint16(char *label, uint16_t *val, uint16_t min, uint16_t max);

/**
 * @brief Edit float field. A complete new screen is used.
 * @param label The field name text
 * @param val The field float data
 * @param min The minimum value of the data.
 * @param max The maximum value of the data.
 * @param decimals The number of decimals to show.
 */
void EditFloat(char *label, float *val, float min, float max, int decimals);

/**
 * @brief Edit double field. A complete new screen is used.
 * @param label The field name text
 * @param val The field float data
 * @param min The minimum value of the data.
 * @param max The maximum value of the data.
 * @param decimals The number of decimals to show.
 */
void EditDouble(char *label, double *val, double min, double max, int decimals);

/**
 * @brief Edit a boolean value
 * @param label The field name text
 * @param val The field integer data
 */
void EditBool(char *label, bool *val);

/**
 * @brief Edit SSR2 value.
 * @param val The SSR2 value.
 */
void EditSSR2(int *val);

/**
 * @brief Edit Mashtype value
 * @param val The mash type
 */
void EditMashType(uint8_t *val);

/**
 * @brief Confirm or not choice. Uses the whole screen.
 * @param top The top screen message.
 * @param ack The text for the ack button.
 * @param nak The text for the nack button.
 * @return true when ack, or false.
 */
int Confirm(char *top, char *ack, char *nak);

#endif