/////////////////////////////////////////////////////////////////////
// Mouse Event overrides
/////////////////////////////////////////////////////////////////////
void CFreqCtrl::mouseMoveEvent(QMouseEvent * event)
{
QPoint pt = event->pos();
//find which digit is to be edited
if (isActiveWindow())
{
if (!hasFocus())
setFocus(Qt::MouseFocusReason);
for (int i = m_DigStart; i < m_NumDigits; i++)
{
if (inRect(m_DigitInfo[i].dQRect, pt))
{
if (!m_DigitInfo[i].editmode)
{
m_DigitInfo[i].editmode = TRUE;
m_ActiveEditDigit = i;
}
}
else
{ //un-highlight the previous digit if moved off it
if (m_DigitInfo[i].editmode)
{
m_DigitInfo[i].editmode = FALSE;
m_DigitInfo[i].modified = TRUE;
}
}
}
updateCtrl(FALSE);
}
}
//////////////////////////////////////////////////////////////////////////////
// Sets the Digit and comma and decimal pt color
//////////////////////////////////////////////////////////////////////////////
void CFreqCtrl::setDigitColor(QColor cr)
{
m_UpdateAll = TRUE;
m_DigitColor = cr;
for(int i=m_DigStart; i<m_NumDigits; i++)
m_DigitInfo[i].modified = TRUE;
updateCtrl(TRUE);
}
//////////////////////////////////////////////////////////////////////////////
// Sets the frequency and individual digit values
//////////////////////////////////////////////////////////////////////////////
void CFreqCtrl::setFrequency(qint64 freq)
{
int i;
qint64 acc = 0;
qint64 rem;
int val;
if (freq == m_Oldfreq)
return;
if (freq < m_MinFreq)
freq = m_MinFreq;
if (freq > m_MaxFreq)
freq = m_MaxFreq;
m_freq = freq - freq % m_MinStep;
rem = m_freq;
m_LeadZeroPos = m_NumDigits;
for (i = m_NumDigits-1; i >= m_DigStart; i--)
{
val = (int)(rem / m_DigitInfo[i].weight);
if (m_DigitInfo[i].val != val)
{
m_DigitInfo[i].val = val;
m_DigitInfo[i].modified = TRUE;
}
rem = rem - val*m_DigitInfo[i].weight;
acc += val;
if ((acc == 0) && (i > m_DecPos))
{
m_LeadZeroPos = i;
}
}
// When frequency is negative all non-zero digits that
// have changed will have a negative sign. This loop will
// change all digits back to positive, except the one at
// position m_leadZeroPos-1
/** TBC if this works for all configurations */
if (m_freq < 0)
{
if (m_DigitInfo[m_LeadZeroPos-1].val > 0)
m_DigitInfo[m_LeadZeroPos-1].val = -m_DigitInfo[m_LeadZeroPos-1].val;
for (i = 0; i < (m_LeadZeroPos-1); i++)
{
if (m_DigitInfo[i].val < 0)
m_DigitInfo[i].val = -m_DigitInfo[i].val;
}
}
// signal the new frequency to world
m_Oldfreq = m_freq;
emit newFrequency(m_freq);
updateCtrl(m_LastLeadZeroPos != m_LeadZeroPos);
m_LastLeadZeroPos = m_LeadZeroPos;
}
//////////////////////////////////////////////////////////////////////////////
// Sets the Background color
//////////////////////////////////////////////////////////////////////////////
void CFreqCtrl::setBkColor(QColor cr)
{
m_UpdateAll = true;
m_BkColor = cr;
for (int i = m_DigStart; i < m_NumDigits; i++)
m_DigitInfo[i].modified = true;
updateCtrl(true);
}
void CFreqCtrl::leaveEvent( QEvent * )
{ //called when mouse cursor leaves this control so deactivate any highlights
if(m_ActiveEditDigit>=0)
{
if( m_DigitInfo[m_ActiveEditDigit].editmode )
{
m_DigitInfo[m_ActiveEditDigit].editmode = FALSE;
m_DigitInfo[m_ActiveEditDigit].modified = TRUE;
m_ActiveEditDigit = -1;
updateCtrl(FALSE);
}
}
}
//////////////////////////////////////////////////////////////////////////////
// Sets the Digit units
//////////////////////////////////////////////////////////////////////////////
void CFreqCtrl::setUnits(FUNITS units)
{
switch(units)
{
case UNITS_HZ:
m_DecPos = 0;
m_UnitString = "Hz ";
break;
case UNITS_KHZ:
m_DecPos = 3;
m_UnitString = "kHz";
break;
case UNITS_MHZ:
m_DecPos = 6;
m_UnitString = "MHz";
break;
case UNITS_GHZ:
m_DecPos = 9;
m_UnitString = "GHz";
break;
case UNITS_SEC:
m_DecPos = 6;
m_UnitString = "Sec";
break;
case UNITS_MSEC:
m_DecPos = 3;
m_UnitString = "mS ";
break;
case UNITS_USEC:
m_DecPos = 0;
m_UnitString = "uS ";
break;
case UNITS_NSEC:
m_DecPos = 0;
m_UnitString = "nS ";
break;
}
m_UpdateAll = TRUE;
updateCtrl(TRUE);
}
void ApplicationWindow::ctrlAction(int id)
{
unsigned ctrl_class = V4L2_CTRL_ID2CLASS(id);
if (ctrl_class == V4L2_CID_PRIVATE_BASE)
ctrl_class = V4L2_CTRL_CLASS_USER;
unsigned ctrl = id & 0xffff;
QCheckBox *cbox = static_cast<QCheckBox *>(widgetMap[ctrl_class | CTRL_UPDATE_ON_CHANGE]);
bool update = cbox->isChecked();
bool all = (ctrl == CTRL_UPDATE || (update && ctrl == CTRL_UPDATE_ON_CHANGE));
if (ctrl == CTRL_DEFAULTS) {
setDefaults(ctrl_class);
return;
}
if (ctrl == CTRL_REFRESH) {
refresh(ctrl_class);
return;
}
if (!update && !all && ctrlMap[id].type != V4L2_CTRL_TYPE_BUTTON)
return;
if (ctrl_class == V4L2_CTRL_CLASS_USER) {
if (!all) {
updateCtrl(id);
return;
}
for (unsigned i = 0; i < classMap[ctrl_class].size(); i++) {
updateCtrl(classMap[ctrl_class][i]);
}
return;
}
if (!all) {
updateCtrl(id);
return;
}
unsigned count = classMap[ctrl_class].size();
struct v4l2_ext_control *c = new v4l2_ext_control[count];
struct v4l2_ext_controls ctrls;
int idx = 0;
for (unsigned i = 0; i < count; i++) {
unsigned id = classMap[ctrl_class][i];
if (ctrlMap[id].flags & (V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_INACTIVE))
continue;
c[idx].id = id;
if (ctrlMap[id].type == V4L2_CTRL_TYPE_INTEGER64)
c[idx].value64 = getVal64(id);
else
c[idx].value = getVal(id);
idx++;
}
memset(&ctrls, 0, sizeof(ctrls));
ctrls.count = idx;
ctrls.ctrl_class = ctrl_class;
ctrls.controls = c;
if (::ioctl(fd, VIDIOC_S_EXT_CTRLS, &ctrls)) {
int err = errno;
if (ctrls.error_idx >= ctrls.count) {
printf("error: %s\n", strerror(err));
}
else {
id = c[ctrls.error_idx].id;
printf("error %08x (%s): %s\n", id,
ctrlMap[id].name, strerror(err));
}
}
delete [] c;
refresh(ctrl_class);
}
//////////////////////////////////////////////////////////////////////////////
// Sets the Mouse edit selection text background color
//////////////////////////////////////////////////////////////////////////////
void CFreqCtrl::setHighlightColor(QColor cr)
{
m_UpdateAll = TRUE;
m_HighlightColor = cr;
updateCtrl(TRUE);
}
//////////////////////////////////////////////////////////////////////////////
// Sets the Units text color
//////////////////////////////////////////////////////////////////////////////
void CFreqCtrl::setUnitsColor(QColor cr)
{
m_UpdateAll = TRUE;
m_UnitsColor = cr;
updateCtrl(TRUE);
}
//////////////////////////////////////////////////////////////////////////////
// Sets the Mouse edit selection text background color
//////////////////////////////////////////////////////////////////////////////
void CFreqCtrl::setHighlightColor(QColor cr)
{
m_UpdateAll = true;
m_HighlightColor = cr;
updateCtrl(true);
}
//////////////////////////////////////////////////////////////////////////////
// Sets the Units text color
//////////////////////////////////////////////////////////////////////////////
void CFreqCtrl::setUnitsColor(QColor cr)
{
m_UpdateAll = true;
m_UnitsColor = cr;
updateCtrl(true);
}
//////////////////////////////////////////////////////////////////////////////
// Sets the frequency and individual digit values
//////////////////////////////////////////////////////////////////////////////
void CFreqCtrl::setFrequency(qint64 freq)
{
int i;
qint64 acc = 0;
qint64 rem;
int val;
if (freq == m_Oldfreq)
return;
if (freq < m_MinFreq)
freq = m_MinFreq;
if (freq > m_MaxFreq)
freq = m_MaxFreq;
m_freq = freq - freq % m_MinStep;
rem = m_freq;
m_LeadZeroPos = m_NumDigits;
for (i = m_NumDigits-1; i >= m_DigStart; i--)
{
val = (int)(rem / m_DigitInfo[i].weight);
if (m_DigitInfo[i].val != val)
{
m_DigitInfo[i].val = val;
m_DigitInfo[i].modified = true;
}
rem = rem - val*m_DigitInfo[i].weight;
acc += val;
if ((acc == 0) && (i > m_DecPos))
{
m_LeadZeroPos = i;
}
}
// If the sign changed and the frequency is less than 1 unit,
// redraw the leading zero to get the correct sign.
if ((m_Oldfreq ^ m_freq) < 0 && m_DigitInfo[m_LeadZeroPos - 1].val == 0)
m_DigitInfo[m_LeadZeroPos - 1].modified = true;
// When frequency is negative all non-zero digits that
// have changed will have a negative sign. This loop will
// change all digits back to positive, except the one at
// position m_leadZeroPos-1. If that position is zero,
// it will be checked in the drawing method, drawDigits().
/** TBC if this works for all configurations */
if (m_freq < 0)
{
if (m_DigitInfo[m_LeadZeroPos-1].val > 0)
m_DigitInfo[m_LeadZeroPos-1].val = -m_DigitInfo[m_LeadZeroPos-1].val;
for (i = 0; i < (m_LeadZeroPos-1); i++)
{
if (m_DigitInfo[i].val < 0)
m_DigitInfo[i].val = -m_DigitInfo[i].val;
}
}
// signal the new frequency to world
m_Oldfreq = m_freq;
emit newFrequency(m_freq);
updateCtrl(m_LastLeadZeroPos != m_LeadZeroPos);
m_LastLeadZeroPos = m_LeadZeroPos;
}
void ApplicationWindow::ctrlAction(int id)
{
unsigned ctrl_class = V4L2_CTRL_ID2CLASS(id);
if (ctrl_class == V4L2_CID_PRIVATE_BASE)
ctrl_class = V4L2_CTRL_CLASS_USER;
unsigned ctrl = id & 0xffff;
QCheckBox *cbox = static_cast<QCheckBox *>(m_widgetMap[ctrl_class | CTRL_UPDATE_ON_CHANGE]);
bool update = cbox->isChecked();
bool all = (ctrl == CTRL_UPDATE || (update && ctrl == CTRL_UPDATE_ON_CHANGE));
if (ctrl == CTRL_DEFAULTS) {
setDefaults(ctrl_class);
return;
}
if (ctrl == CTRL_REFRESH) {
refresh(ctrl_class);
return;
}
if (m_ctrlMap[id].type == V4L2_CTRL_TYPE_INTEGER &&
(m_ctrlMap[id].flags & V4L2_CTRL_FLAG_SLIDER)) {
QWidget *w = m_widgetMap[id];
int v = static_cast<QSlider *>(w)->value();
info(QString("Value: %1").arg(v));
}
if (!update && !all && m_ctrlMap[id].type != V4L2_CTRL_TYPE_BUTTON)
return;
if (!m_haveExtendedUserCtrls && ctrl_class == V4L2_CTRL_CLASS_USER) {
if (!all) {
updateCtrl(id);
return;
}
for (unsigned i = 0; i < m_classMap[ctrl_class].size(); i++) {
updateCtrl(m_classMap[ctrl_class][i]);
}
return;
}
if (!all) {
updateCtrl(id);
return;
}
unsigned count = m_classMap[ctrl_class].size();
struct v4l2_ext_control *c = new v4l2_ext_control[count];
struct v4l2_ext_controls ctrls;
int idx = 0;
for (unsigned i = 0; i < count; i++) {
unsigned id = m_classMap[ctrl_class][i];
if (m_ctrlMap[id].flags & CTRL_FLAG_DISABLED)
continue;
c[idx].id = id;
c[idx].size = 0;
if (m_ctrlMap[id].type == V4L2_CTRL_TYPE_INTEGER64)
c[idx].value64 = getVal64(id);
else if (m_ctrlMap[id].type == V4L2_CTRL_TYPE_STRING) {
c[idx].size = m_ctrlMap[id].maximum + 1;
c[idx].string = (char *)malloc(c[idx].size);
strcpy(c[idx].string, getString(id).toLatin1());
}
else
c[idx].value = getVal(id);
idx++;
}
memset(&ctrls, 0, sizeof(ctrls));
ctrls.count = idx;
ctrls.ctrl_class = ctrl_class;
ctrls.controls = c;
if (ioctl(VIDIOC_S_EXT_CTRLS, &ctrls)) {
if (ctrls.error_idx >= ctrls.count) {
error(errno);
}
else {
errorCtrl(c[ctrls.error_idx].id, errno);
}
}
for (unsigned i = 0; i < ctrls.count; i++) {
if (c[i].size)
free(c[i].string);
}
delete [] c;
refresh(ctrl_class);
}
