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Display good press locations
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@radekp
radekp committed Jan 12, 2010
1 parent 47d5ab6 commit a25208a
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Showing 2 changed files with 120 additions and 86 deletions.
202 changes: 119 additions & 83 deletions qspectemu.cpp
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Expand Up @@ -210,6 +210,23 @@ static void pressKey(int key)
process_keys();
}

// Press all keys which have binds at exact x and y
static void pressKeysAt(int x, int y)
{
for(int i = 0; i < OSKEYS_SIZE; i++)
{
oskey *ki = &(oskeys[i]);
if(ki->key <= 0)
{
continue;
}
if(ki->x == x && ki->y == y)
{
pressKey(ki->key);
}
}
}

static void releaseKey(int key)
{
int ks, shks, ki;
Expand Down Expand Up @@ -263,6 +280,39 @@ static void releaseAllKeys()
process_keys();
}

// Find nearest on screen key for given x and y. Returns also if the key press
// location is good (no other key which can collide is near).
static oskey *findOsKey(int x, int y, bool *good, int *distance)
{
// Find nearest and second nearest distance
int minDist = 0x7fffffff;
int minDist2 = 0x7fffffff;
oskey *min = oskeys;
for(int i = 0; i <= OSKEYS_SIZE; i++)
{
oskey *ki = &(oskeys[i]);
if(ki->key <= 0)
{
continue;
}
int dx = x - ki->x;
int dy = y - ki->y;
int dist = dx * dx + dy * dy;
if(dist < minDist)
{
if(ki->key != min->key)
{
minDist2 = minDist; // dont count second dist for same keys
}
minDist = dist;
min = ki;
}
}
*good = (minDist * 3 < minDist2 * 2) || minDist > 64 * 64;
*distance = minDist;
return min;
}

static void showErr(QWidget *parent, QString err)
{
qWarning() << err;
Expand Down Expand Up @@ -570,28 +620,30 @@ bool QSpectemu::setRes(int xy)
#endif
}

static void writeVibro(int val)
static int lastVibroLevel = 0;

static void vibrate(int level)
{
if(level == lastVibroLevel)
{
return;
}

QFile f("/sys/class/leds/neo1973:vibrator/brightness");
if(!f.open(QIODevice::WriteOnly))
{
return;
}
char buf[255];
sprintf(buf, "%d", val);
sprintf(buf, "%d", level);
f.write(buf);
f.close();
lastVibroLevel = level;
}

void QSpectemu::stopVibrating()
static void stopVibrating()
{
writeVibro(0);
}

void QSpectemu::vibrate(int level)
{
writeVibro(level);
QTimer::singleShot(5, this, SLOT(stopVibrating()));
vibrate(0);
}

int QSpectemu::getKeyPng(int x, int y)
Expand Down Expand Up @@ -680,6 +732,36 @@ void QSpectemu::paintEvent(QPaintEvent *)
break;
case QSpectemu::ScreenBindings:
{
// Draw areas for good press locations
QColor red(255, 0, 0, 255);
p.setPen(red);
for(int y = 0; y < height(); y += 8)
{
for(int x = 0; x < width(); x += 8)
{
bool good;
int dist;
findOsKey(x, y, &good, &dist);
if(dist > 72 * 72)
{
p.fillRect(x, y, 8, 8, red);
continue;
}
for(int yy = y; yy < y + 8; yy++)
{
for(int xx = x; xx < x + 8; xx++)
{
findOsKey(xx, yy, &good, &dist);
if(good)
{
p.drawLine(xx, yy, xx, yy);
}
}
}
}
}

// Draw binds
for(int i = 0; i <= OSKEYS_SIZE; i++)
{
oskey *ki = &(oskeys[i]);
Expand Down Expand Up @@ -721,7 +803,7 @@ void QSpectemu::paintEvent(QPaintEvent *)
p.drawRect(rect);
if(ki->key <= 0)
{
p.setPen(QColor(255, 0, 0, 255));
p.setPen(red);
p.drawLine(rect.topLeft(), rect.bottomRight());
p.drawLine(rect.topRight(), rect.bottomLeft());
}
Expand Down Expand Up @@ -779,44 +861,17 @@ void QSpectemu::mousePressEvent(QMouseEvent *e)
if(screen == QSpectemu::ScreenProgRunning)
{
// Find nearest distance
int x = e->x();
int y = e->y();
int minDist = 0x7fffffff;
int minDist2 = 0x7fffffff;
int minKey = 0;
for(int i = 0; i < OSKEYS_SIZE; i++)
{
oskey *ki = &(oskeys[i]);
if(ki->key <= 0)
{
continue;
}
int dist = abs(x - ki->x) + abs(y - ki->y);
if(dist < minDist)
{
if(ki->key != minKey)
{
minDist2 = minDist; // dont count dist for same keys
}
minDist = dist;
pressedKeyX = ki->x;
pressedKeyY = ki->y;
}
}
for(int i = 0; i < OSKEYS_SIZE; i++)
{
oskey *ki = &(oskeys[i]);
if(ki->key <= 0)
{
continue;
}
if(ki->x == pressedKeyX && ki->y == pressedKeyY)
{
pressKey(ki->key);
}
}
//printf("minDist=%d minDist2=%d\n", minDist, minDist2);
if(minDist2 - minDist > 64 || minDist2 / minDist >= 2)
bool good;
int dist;
oskey *min = findOsKey(e->x(), e->y(), &good, &dist);
pressedKeyX = min->x;
pressedKeyY = min->y;

// Press all keys in this distance (can be more then one key)
pressKeysAt(pressedKeyX, pressedKeyY);

// Vibrate if pressed something between
if(!good)
{
vibrate(192);
}
Expand All @@ -841,6 +896,7 @@ void QSpectemu::mouseReleaseEvent(QMouseEvent *e)
{
if(screen == ScreenProgRunning)
{
stopVibrating();
pngKeyDown = false;
releaseAllKeys();
}
Expand Down Expand Up @@ -906,50 +962,30 @@ void QSpectemu::mouseMoveEvent(QMouseEvent *e)
return; // ingore mouse moves while png key is pressed
}

int x = e->x();
int y = e->y();

// Check if we moved to another key
int minDist = 0x7fffffff;
int newPressedX = 0;
int newPressedY = 0;
for(int i = 0; i < OSKEYS_SIZE; i++)
bool good;
int dist;
oskey *min = findOsKey(e->x(), e->y(), &good, &dist);

if(good)
{
oskey *ki = &(oskeys[i]);
if(ki->key <= 0)
{
continue;
}
int dist = abs(x - ki->x) + abs(y - ki->y);
if(dist < minDist)
{
minDist = dist;
newPressedX = ki->x;
newPressedY = ki->y;
}
stopVibrating();
}
else
{
vibrate(192);
}

if(newPressedX == pressedKeyX && newPressedY == pressedKeyY)
if(pressedKeyX == min->x && pressedKeyY == min->y)
{
return;
}
pressedKeyX = newPressedX;
pressedKeyY = newPressedY;
pressedKeyX = min->x;
pressedKeyY = min->y;

// Release old pressed keys and press new
releaseAllKeys();
for(int i = 0; i < OSKEYS_SIZE; i++)
{
oskey *ki = &(oskeys[i]);
if(ki->key <= 0)
{
continue;
}
if(ki->x == newPressedX && ki->y == newPressedY)
{
pressKey(ki->key);
}
}
pressKeysAt(pressedKeyX, pressedKeyY);
}

// Load global cfg (progFile==NULL) or cfg for given program
Expand Down
4 changes: 1 addition & 3 deletions qspectemu.h
View file
Expand Up @@ -82,7 +82,7 @@ class QSpectemu : public QWidget
int pressedKeyX; // x and y of pressed on screen key
int pressedKeyY;
bool abort;
bool pngKeyDown; // true if key from png keyboard is down
bool pngKeyDown; // true if key from png keyboard is down
int showScreenProgMenuCancel;
QListWidget *lw;
QPushButton *bOk;
Expand All @@ -105,7 +105,6 @@ class QSpectemu : public QWidget
void showInFullScreen();
bool download(QString url, QString destPath, QString filename);
void setProgramFullPath();
void vibrate(int level);

private slots:
void okClicked();
Expand All @@ -115,7 +114,6 @@ private slots:
void snapClicked();
void showScreenProgMenu();
void releaseKeysLaterImpl();
void stopVibrating();

protected:
bool event(QEvent *);
Expand Down

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