Subversion Repositories Kolibri OS

#ifndef KOLIBRI_MSGBOX_H

#define KOLIBRI_MSGBOX_H

#include 

typedef struct __attribute__ ((__packed__)) {

    uint8_t     retval;  // 0 - win closed, 1 to n - button num, also default button on start

    uint8_t     reserv;

    char        texts[2048];      // mus be enough ;-)

    char        msgbox_stack[1024];

    uint32_t    top_stack;

} msgbox;

typedef void (*msgbox_callback)(void);

static int msgbox_inited;

extern void kolibri_msgbox_init();

extern void (*msgbox_create)(msgbox *, void *thread) __attribute__((__stdcall__)); // clears callbacks, ! if fix lib, we can return eax as of Fn51

extern void (*msgbox_setfunctions)(msgbox_callback*) __attribute__((__stdcall__)); // must be called immediately after create, zero-ended array

extern void (*msgbox_reinit)(msgbox *) __attribute__((__stdcall__));  // recalc sizes when structure changes, called auto when MsgBoxCreate

static inline msgbox* kolibri_new_msgbox(char* title, char* text, int def_but, ...)

/// text can be multilined by code 13 = "\r"

/// def_but - highlighted and used on Enter (if zero - default is [X]), user may use Tabs or Arrows

/// last params are buttons text, max 8. last must set as NULL

{

    va_list vl;

    va_start(vl, def_but);

    msgbox* box = calloc(sizeof(msgbox), 1);

    box->retval = (uint8_t)def_but;

    char    *pc = box->texts;

    strcpy(pc, title);

    pc += strlen(title) + 1;

    strcpy(pc, text);

    pc += strlen(text) + 1;

    char  *but_text = va_arg(vl, char*);

    while (but_text)

    {

        strcpy(pc, but_text);

        pc += strlen(but_text) + 1;

        // assert(pc - box->texts < sizeof box->texts);

        but_text = va_arg(vl, char*);

    }

    va_end(vl);

    return box;

}

void kolibri_start_msgbox(msgbox* box, msgbox_callback cb[])

{

    if (!msgbox_inited)

    {

        kolibri_msgbox_init();

        msgbox_inited++;

    }

    (*msgbox_create)(box, &box->top_stack);

    if (cb) (*msgbox_setfunctions)(cb);

}

#endif