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#include "control/controlindicator.h"
#include "control/controlproxy.h"
#include "util/math.h"
ControlIndicator::ControlIndicator(ConfigKey key)
: ControlObject(key, false),
m_blinkValue(OFF),
m_nextSwitchTime(0.0) {
// Tick time in audio buffer resolution
m_pCOTGuiTickTime = new ControlProxy("[Master]", "guiTickTime", this);
m_pCOTGuiTick50ms = new ControlProxy("[Master]", "guiTick50ms", this);
m_pCOTGuiTick50ms->connectValueChanged(SLOT(slotGuiTick50ms(double)));
connect(this, SIGNAL(blinkValueChanged()),
this, SLOT(slotBlinkValueChanged()));
}
ControlIndicator::~ControlIndicator() {
}
void ControlIndicator::setBlinkValue(enum BlinkValue bv) {
if (m_blinkValue != bv) {
m_blinkValue = bv; // must be set at first, to avoid timer toggle
emit(blinkValueChanged());
}
}
void ControlIndicator::slotGuiTick50ms(double cpuTime) {
if (m_nextSwitchTime <= cpuTime) {
switch (m_blinkValue) {
case RATIO1TO1_500MS:
toggle(0.5);
break;
case RATIO1TO1_250MS:
toggle(0.25);
break;
case OFF: // fall through
case ON: // fall through
default:
// nothing to do
break;
}
}
}
void ControlIndicator::slotBlinkValueChanged() {
bool oldValue = toBool();
switch (m_blinkValue) {
case OFF:
if (oldValue) {
set(0.0);
}
break;
case ON:
if (!oldValue) {
set(1.0);
}
break;
case RATIO1TO1_500MS:
toggle(0.5);
break;
case RATIO1TO1_250MS:
toggle(0.25);
break;
default:
// nothing to do
break;
}
}
void ControlIndicator::toggle(double duration) {
double tickTime = m_pCOTGuiTickTime->get();
double toggles = floor(tickTime / duration);
bool phase = fmod(toggles, 2) >= 1;
bool val = toBool();
if(val != phase) {
// Out of phase, wait until we are in phase
m_nextSwitchTime = (toggles + 2) * duration;
} else {
m_nextSwitchTime = (toggles + 1) * duration;
}
set(val ? 0.0 : 1.0);
}
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