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#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <math.h>
#include <directfb.h>
#include <directfb_keynames.h>
#include <divine.h>
static const DirectFBKeySymbolNames(m_symbols);
static IDiVine *m_divine;
static int m_x;
static int m_y;
static int m_sin16_16[360 * 16];
static inline int
sin_16_16( int deg16_16 )
{
return m_sin16_16[ (deg16_16 >> 12) % (360 * 16) ];
}
static inline int
cos_16_16( int deg16_16 )
{
return m_sin16_16[ ((deg16_16 + 90 * 65536) >> 12) % (360 * 16) ];
}
typedef void (*HandlerProcess)( FILE *stream );
typedef struct {
HandlerProcess process;
} Handler;
static void
process_button( FILE *stream )
{
DFBInputEvent event;
event.flags = DIEF_NONE;
if (fgetc(stream) == '+')
event.type = DIET_BUTTONPRESS;
else
event.type = DIET_BUTTONRELEASE;
event.button = fgetc(stream) - '0';
m_divine->SendEvent( m_divine, &event );
}
static Handler m_button = {
.process = process_button
};
static void
process_motion( FILE *stream )
{
DFBInputEvent event;
event.flags = DIEF_AXISABS;
event.type = DIET_AXISMOTION;
event.axis = fgetc(stream) - 'x';
if (fscanf( stream, "%d", &event.axisabs ) != 1)
return;
switch (event.axis) {
case DIAI_X:
m_x = event.axisabs;
break;
case DIAI_Y:
m_y = event.axisabs;
break;
default:
break;
}
m_divine->SendEvent( m_divine, &event );
}
static Handler m_motion = {
.process = process_motion
};
static void
process_motion_special( FILE *stream )
{
int i, ms, ex, ey, _x = m_x, _y = m_y;
int count = 1;
int step = 36;
DFBInputEvent event;
if (fscanf( stream, "%d", &ms ) != 1)
return;
while (!feof(stream)) {
switch (fgetc(stream)) {
case 'c':
if (fscanf( stream, "%d", &count ) != 1)
return;
break;
case 's':
if (fscanf( stream, "%d", &step ) != 1)
return;
break;
case 'o':
if (fscanf( stream, "%d", &ex ) != 1)
return;
for (i=0; i<=360*count; i+=step) {
event.flags = DIEF_AXISABS | DIEF_FOLLOW;
event.type = DIET_AXISMOTION;
event.axis = DIAI_X;
event.axisabs = _x = m_x + ((ex * cos_16_16( (i % 360) << 16 )) >> 16) - ex;
m_divine->SendEvent( m_divine, &event );
event.flags = DIEF_AXISABS;
event.type = DIET_AXISMOTION;
event.axis = DIAI_Y;
event.axisabs = _y = m_y + ((ex * sin_16_16( (i % 360) << 16 )) >> 16);
m_divine->SendEvent( m_divine, &event );
usleep( ms * 1000 );
}
m_x = _x;
m_y = _y;
break;
case 'l':
if (fscanf( stream, "%d,%d", &ex, &ey ) != 2)
return;
for (i=0; i<count; i++) {
event.flags = DIEF_AXISABS | DIEF_FOLLOW;
event.type = DIET_AXISMOTION;
event.axis = DIAI_X;
event.axisabs = _x = m_x + ex * i;
m_divine->SendEvent( m_divine, &event );
event.flags = DIEF_AXISABS;
event.type = DIET_AXISMOTION;
event.axis = DIAI_Y;
event.axisabs = _y = m_y + ey * i;
m_divine->SendEvent( m_divine, &event );
usleep( ms * 1000 );
}
m_x = _x;
m_y = _y;
break;
default:
return;
}
}
}
static Handler m_motion_special = {
.process = process_motion_special
};
static void
process_pause( FILE *stream )
{
int ms = 0;
fscanf( stream, "%d", &ms );
usleep( ms * 1000 );
}
static Handler m_pause = {
.process = process_pause
};
static void
process_text( FILE *stream )
{
int ms = 0;
bool leading = true;
fscanf( stream, "%d", &ms );
while (!feof( stream )) {
int c = fgetc( stream );
if (c == ' ' && leading)
continue;
if (c == '\n')
break;
m_divine->SendSymbol( m_divine, c );
leading = false;
usleep( ms * 1000 );
}
}
static Handler m_text = {
.process = process_text
};
static void
process_text_special( FILE *stream )
{
int i, ms = 0;
char buf[31];
fscanf( stream, "%d", &ms );
while (!feof( stream )) {
switch (fgetc( stream )) {
case '\n':
return;
case 'b':
m_divine->SendSymbol( m_divine, DIKS_BACKSPACE );
break;
case 'd':
m_divine->SendSymbol( m_divine, DIKS_DELETE );
break;
case 'r':
m_divine->SendSymbol( m_divine, DIKS_RETURN );
break;
case 'C':
switch (fgetc( stream )) {
case 'l':
m_divine->SendSymbol( m_divine, DIKS_CURSOR_LEFT );
break;
case 'r':
m_divine->SendSymbol( m_divine, DIKS_CURSOR_RIGHT );
break;
case 'u':
m_divine->SendSymbol( m_divine, DIKS_CURSOR_UP );
break;
case 'd':
m_divine->SendSymbol( m_divine, DIKS_CURSOR_DOWN );
break;
}
break;
case 'S':
fscanf( stream, "%30s", buf );
for (i=0; m_symbols[i].symbol != DIKS_NULL; i++) {
if (!strcasecmp( buf, m_symbols[i].name )) {
m_divine->SendSymbol( m_divine, m_symbols[i].symbol );
break;
}
}
break;
}
usleep( ms * 1000 );
}
}
static Handler m_text_special = {
.process = process_text_special
};
static Handler *m_handlers[] = {
['b'] = &m_button,
['m'] = &m_motion,
['M'] = &m_motion_special,
['p'] = &m_pause,
['t'] = &m_text,
['T'] = &m_text_special
};
int
main( int argc, char *argv[] )
{
DFBResult ret;
int c;
FILE *stream;
DiVineInit( &argc, &argv );
if (argc > 1) {
if (!strcmp( argv[1], "--help" ) || argc > 2) {
fprintf( stderr, "Spooky - DiVine event generator\n"
"\n"
" Usage: spooky [filename]\n"
"\n"
"Reads from stdin unless filename is given."
"\n"
"Commands in stream:\n"
" Code Description Arguments & Options Examples\n"
" b Press/release button +/- <button> b+0 b-0\n"
" m Motion event (absolute) <axis> <value> mx23 my42\n"
" p Pause spooky <milliseconds> p20 p1000\n"
" M Special motion generator <ms-between-events> {o|l} M20o50\n"
" c <count> M20c1000o50\n"
" (linear) l <x,y> M20c1000l10,20\n"
" (circular) o <radius> M20c1000o100\n"
" s <step> M20c1000s30o50\n"
" t Entering text <ms> <Text to enter> t0 directfb.org\n"
" T Special characters/keys <ms> {b|d|r|Cx|S<symbol>} T3 CuClbbr Sprint Sf11\n"
" a e e Cl (left)\n"
" c l t Cr (right)\n"
" k Cu (up)\n"
" Cd (down)\n"
"\n" );
return -1;
}
stream = fopen( argv[1], "r" );
if (!stream) {
fprintf( stderr, "Spooky: Could not open '%s' for reading! (%s)\n", argv[1], strerror(errno) );
return -2;
}
}
else
stream = stdin;
/* open the connection to the input driver */
ret = DiVineCreate( &m_divine );
if (ret) {
D_DERROR( ret, "DiVineCreate() failed!\n" );
return ret;
}
/* Init 1/16th step sin table */
for (c=0; c<360 * 16; c++)
m_sin16_16[c] = (int)(sin( (double) c / 16.0 * M_PI / 180.0 ) * 65536.0);
/* Main loop */
while (!feof(stream) && (c = fgetc(stream)) != '$') {
if (c < sizeof(m_handlers)/sizeof(m_handlers[0]) && m_handlers[c])
m_handlers[c]->process( stream );
}
/* close the connection */
m_divine->Release( m_divine );
if (stream != stdin)
fclose( stream );
return 0;
}
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