forked from KolibriOS/kolibrios
64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
#ifndef KOLIBRI_MSGBOX_H
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#define KOLIBRI_MSGBOX_H
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#include <stdarg.h>
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typedef struct __attribute__ ((__packed__)) {
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uint8_t retval; // 0 - win closed, 1 to n - button num, also default button on start
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uint8_t reserv;
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char texts[2048]; // must be enough ;-)
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char msgbox_stack[1024];
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uint32_t top_stack;
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} msgbox;
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typedef void (*msgbox_callback)(void);
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static int msgbox_inited;
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extern void kolibri_msgbox_init();
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extern void (*msgbox_create)(msgbox *, void *thread) __attribute__((__stdcall__)); // clears callbacks, ! if fix lib, we can return eax as of Fn51
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extern void (*msgbox_setfunctions)(msgbox_callback*) __attribute__((__stdcall__)); // must be called immediately after create, zero-ended array
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extern void (*msgbox_reinit)(msgbox *) __attribute__((__stdcall__)); // recalc sizes when structure changes, called auto when MsgBoxCreate
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static inline msgbox* kolibri_new_msgbox(char* title, char* text, int def_but, ...)
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/// text can be multilined by code 13 = "\r"
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/// def_but - highlighted and used on Enter (if zero - default is [X]), user may use Tabs or Arrows
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/// last params are buttons text, max 8. last must set as NULL
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{
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va_list vl;
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va_start(vl, def_but);
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msgbox* box = calloc(sizeof(msgbox), 1);
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box->retval = (uint8_t)def_but;
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char *pc = box->texts;
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strcpy(pc, title);
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pc += strlen(title) + 1;
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strcpy(pc, text);
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pc += strlen(text) + 1;
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char *but_text = va_arg(vl, char*);
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while (but_text)
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{
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strcpy(pc, but_text);
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pc += strlen(but_text) + 1;
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// assert(pc - box->texts < sizeof box->texts);
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but_text = va_arg(vl, char*);
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}
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va_end(vl);
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return box;
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}
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static inline void kolibri_start_msgbox(msgbox* box, msgbox_callback cb[])
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{
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if (!msgbox_inited)
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{
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kolibri_msgbox_init();
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msgbox_inited++;
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}
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(*msgbox_create)(box, &box->top_stack);
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if (cb) (*msgbox_setfunctions)(cb);
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}
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#endif
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