gfx_getmouse.c

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/* GETMOUSE function support. */

#include "fb_gfx.h"


/*:::::*/
int fb_GfxGetMouse(int *x, int *y, int *z, int *buttons, int *clip)
{
        int failure = TRUE;
        int temp_z, temp_buttons, temp_clip;

        if (!z)
                z = &temp_z;
        if (!buttons)
                buttons = &temp_buttons;
        if (!clip)
                clip = &temp_clip;
        if ((__fb_gfx) && (__fb_gfx->driver->get_mouse)) {
                DRIVER_LOCK();
                failure = __fb_gfx->driver->get_mouse(x, y, z, buttons, clip);
                DRIVER_UNLOCK();
        }
        if (failure) {
                *x = *y = *z = *buttons = *clip = -1;
                return fb_ErrorSetNum(FB_RTERROR_ILLEGALFUNCTIONCALL);
        }
        return fb_ErrorSetNum( FB_RTERROR_OK );
}