aain.c

#include "aalib.h"
int aa_initkbd(struct aa_context *c, struct aa_kbddriver *d, int mode)
{
    if (d->init(c, mode)) {
    c->kbddriver = d;
    return 1;
    }
    return 0;
}
int aa_initmouse(struct aa_context *c, struct aa_mousedriver *d, int mode)
{
    if (d->init(c, mode)) {
    c->mousedriver = d;
    c->mousemode=1;
    return 1;
    }
    return 0;
}
void aa_getmouse(struct aa_context *c, int *x, int *y, int *z)
{
    *x = 0;
    *y = 0;
    *z = 0;
    if (c->mousedriver) {
    c->mousedriver->getmouse(c, x, y, z);
    }
}
int aa_getevent(aa_context * c, int wait)
{
    int x, y, b;
    int ch;
    if (c->mousedriver != NULL) {
    c->mousedriver->getmouse(c, &x, &y, &b);
    if (x != c->mousex || y != c->mousey || b != c->buttons) {
        c->mousex = x;
        c->mousey = y;
        c->buttons = b;
        return (AA_MOUSE);
    }
    }
    if (c->kbddriver == NULL)
    return (AA_UNKNOWN);
    if (wait) {
    while ((ch = c->kbddriver->getkey(c, 1)) == AA_NONE) {
        if (c->mousedriver != NULL) {
        c->mousedriver->getmouse(c, &x, &y, &b);
        if (x != c->mousex || y != c->mousey || b != c->buttons) {
            c->mousex = x;
            c->mousey = y;
            c->buttons = b;
            return (AA_MOUSE);
        }
        }
    }
    } else
    ch = c->kbddriver->getkey(c, 0);
    if (ch == AA_RESIZE && c->resizehandler != NULL)
    c->resizehandler(c);
    if (ch == AA_MOUSE) {
    if (c->mousedriver != NULL) {
        c->mousedriver->getmouse(c, &x, &y, &b);
        if (x != c->mousex || y != c->mousey || b != c->buttons) {
        c->mousex = x;
        c->mousey = y;
        c->buttons = b;
        return (AA_MOUSE);
        } else
        return (aa_getevent(c, wait));
    } else
        return (AA_UNKNOWN);
    }
    return (ch);
}
int aa_getkey(aa_context * co, int wait)
{
    int c;
    do {
    c = aa_getevent(co, wait);
    } while (c == AA_MOUSE || c == AA_RESIZE || c>=AA_RELEASE);
    return (c);
}