UI.h

#include "lang.h"

#define UI_OFFSET_X    8
#define UI_OFFSET_Y    8
#define UI_FONT_WIDTH  FNT_CHAR_WIDTH
#define UI_FONT_HEIGHT FNT_CHAR_HEIGHT
#define UI_TAB_STOPS   FNT_TAB_STOPS

// In VSYNC ticks
#define UI_PAD_REPEAT_START_DELAY 20
#define UI_PAD_REPEAT_DELAY       5

enum MENU_ITEM {
    MITEM_SEPERATOR,
    MITEM_TAB,
    MITEM_SPACE,
    MITEM_BREAK,
    MITEM_DASH,
    MITEM_COLON,
    MITEM_DOT,
    MITEM_SLASH,
    MITEM_PROGRESS,
    MITEM_LABEL, // Last non-selectable item.

    MITEM_STRING,
    MITEM_VALUE,
    MITEM_BUTTON,
    MITEM_TOGGLE,
    MITEM_ENUM,

    MITEM_TERMINATOR,

    MITEM_COUNT
};

enum MENU_ITEM_FORMAT {
    MITEM_FORMAT_DEC = 0,
    MITEM_FORMAT_UDEC,
    MITEM_FORMAT_HEX,
    MITEM_FORMAT_POINTER,
    MITEM_FORMAT_FLOAT,

    MITEM_FORMAT_COUNT
};

#define MITEM_FLAG_HIDDEN      0x01
#define MITEM_FLAG_READONLY    0x02
#define MITEM_FLAG_DISABLED    0x04
#define MITEM_FLAG_UNIT_PREFIX 0x08 // For formats with a unit prefix, show it.
#define MITEM_FLAG_POS_ABS     0x10 // Coordinates are absolute.
#define MITEM_FLAG_POS_MID     0x20 // Aligned to the middle. Only for buttons.

struct UIMenuItem
{
    unsigned char type;
    unsigned char id; // ID 0 is reserved for items that do not need to be tracked (i.e. labels).
    unsigned char flags;
    unsigned char format;
    unsigned char width;
    short int x;
    short int y;
    union
    { // Limits do not have to be specified, if the values are not going to be changeable by the user.
        struct
        {
            int value;
            int min, max;
        } value;
        struct
        {
            const char *buffer;
            int maxlen;
        } string;
        struct
        {
            const int *labels;
            int count;
            int selectedIndex;
        } enumeration;
        struct
        {
            int id;
            int TextWidth;
        } label;
    };
};

struct UIBtnHint
{
    short int button;
    short int label;
};

struct UIMenu
{
    struct UIMenu *next, *prev;
    struct UIMenuItem *items;
    struct UIBtnHint hints[2];
};

enum UI_MENU_TRANSITION {
    UIMT_LEFT_OUT,
    UIMT_RIGHT_OUT,
    UIMT_LEFT_IN,
    UIMT_RIGHT_IN,
    UIMT_FADE_IN,
    UIMT_FADE_OUT,
};

const char *GetUIString(unsigned int id);
const char *GetUILabel(unsigned int id);
int InitializeUI(int BufferFont);
int ReinitializeUI(void);
void DeinitializeUI(void);
int ShowMessageBox(int Option1Label, int Option2Label, int Option3Label, int Option4Label, const char *message, int title);
void DisplayWarningMessage(unsigned int message);
void DisplayErrorMessage(unsigned int message);
void DisplayInfoMessage(unsigned int message);
int DisplayPromptMessage(unsigned int message, unsigned char Button1Label, unsigned char Button2Label);
void DisplayFlashStatusUpdate(unsigned int message);

struct UIMenuItem *UIGetItem(struct UIMenu *menu, unsigned char id);
void UISetVisible(struct UIMenu *menu, unsigned char id, int visible);
void UISetReadonly(struct UIMenu *menu, unsigned char id, int readonly);
void UISetEnabled(struct UIMenu *menu, unsigned char id, int enabled);
void UISetValue(struct UIMenu *menu, unsigned char id, int value);
int UIGetValue(struct UIMenu *menu, unsigned char id);
void UISetLabel(struct UIMenu *menu, unsigned char id, int label);
void UISetString(struct UIMenu *menu, unsigned char id, const char *string);
void UISetType(struct UIMenu *menu, unsigned char id, unsigned char type);
void UISetFormat(struct UIMenu *menu, unsigned char id, unsigned char format, unsigned char width);
void UISetEnum(struct UIMenu *menu, unsigned char id, const int *labels, int count);
void UISetEnumSelectedIndex(struct UIMenu *menu, unsigned char id, int selectedIndex);
int UIGetEnumSelectedIndex(struct UIMenu *menu, unsigned char id);
void UIDrawMenu(struct UIMenu *menu, unsigned short int frame, short int StartX, short int StartY, short int selection);
void UITransition(struct UIMenu *menu, int type, int SelectedOption);
int UIExecMenu(struct UIMenu *FirstMenu, short int SelectedItem, struct UIMenu **CurrentMenu, int (*callback)(struct UIMenu *menu, unsigned short int frame, int selection, u32 padstatus));