void PrimaryGLContext::DrawFreqSelector(float uxPos, RGBA4f color, float w, long long center_freq, long long srate) {
DemodulatorInstance *demod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
long long bw = 0;
std::string last_type = wxGetApp().getDemodMgr().getLastDemodulatorType();
if (!demod) {
bw = wxGetApp().getDemodMgr().getLastBandwidth();
} else {
bw = demod->getBandwidth();
}
if (!srate) {
srate = wxGetApp().getSampleRate();
}
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glColor4f(color.r, color.g, color.b, 0.6);
glBegin(GL_LINES);
glVertex3f((uxPos - 0.5) * 2.0, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0, -1.0, 0.0);
float ofs;
if (w) {
ofs = w;
} else {
ofs = ((float) bw) / (float) srate;
}
if (last_type != "USB") {
glVertex3f((uxPos - 0.5) * 2.0 - ofs, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 - ofs, -1.0, 0.0);
}
if (last_type != "LSB") {
glVertex3f((uxPos - 0.5) * 2.0 + ofs, 1.0, 0.0);
glVertex3f((uxPos - 0.5) * 2.0 + ofs, -1.0, 0.0);
}
glEnd();
glDisable(GL_BLEND);
}
void WaterfallCanvas::OnMouseDown(wxMouseEvent& event) {
InteractiveCanvas::OnMouseDown(event);
dragState = nextDragState;
wxGetApp().getDemodMgr().updateLastState();
if (dragState && dragState != WF_DRAG_RANGE) {
DemodulatorInstance *demod = wxGetApp().getDemodMgr().getActiveDemodulator();
if (demod) {
dragOfs = (long long) (mouseTracker.getMouseX() * (float) getBandwidth()) + getCenterFrequency() - (getBandwidth() / 2) - demod->getFrequency();
dragBW = demod->getBandwidth();
}
wxGetApp().getDemodMgr().setActiveDemodulator(wxGetApp().getDemodMgr().getActiveDemodulator(), false);
}
}
void WaterfallCanvas::updateHoverState() {
long long freqPos = getFrequencyAt(mouseTracker.getMouseX());
std::vector<DemodulatorInstance *> *demodsHover = wxGetApp().getDemodMgr().getDemodulatorsAt(freqPos, 15000);
wxGetApp().getDemodMgr().setActiveDemodulator(NULL);
if (altDown) {
nextDragState = WF_DRAG_RANGE;
mouseTracker.setVertDragLock(true);
mouseTracker.setHorizDragLock(false);
if (shiftDown) {
setStatusText("Click and drag to create a new demodulator by range.");
} else {
setStatusText("Click and drag to set the current demodulator range.");
}
} else if (demodsHover->size() && !shiftDown) {
long near_dist = getBandwidth();
DemodulatorInstance *activeDemodulator = NULL;
for (int i = 0, iMax = demodsHover->size(); i < iMax; i++) {
DemodulatorInstance *demod = (*demodsHover)[i];
long long freqDiff = demod->getFrequency() - freqPos;
long halfBw = (demod->getBandwidth() / 2);
long long currentBw = getBandwidth();
long long globalBw = wxGetApp().getSampleRate();
long dist = abs(freqDiff);
double bufferBw = 10000.0 * ((double)currentBw / (double)globalBw);
double maxDist = ((double)halfBw + bufferBw);
if ((double)dist <= maxDist) {
if ((freqDiff > 0 && demod->getDemodulatorType() == "USB") ||
(freqDiff < 0 && demod->getDemodulatorType() == "LSB")) {
continue;
}
if (dist < near_dist) {
activeDemodulator = demod;
near_dist = dist;
}
long edge_dist = abs(halfBw - dist);
if (edge_dist < near_dist) {
activeDemodulator = demod;
near_dist = edge_dist;
}
}
}
if (activeDemodulator == NULL) {
nextDragState = WF_DRAG_NONE;
SetCursor(wxCURSOR_CROSS);
return;
}
wxGetApp().getDemodMgr().setActiveDemodulator(activeDemodulator);
long long freqDiff = activeDemodulator->getFrequency() - freqPos;
if (abs(freqDiff) > (activeDemodulator->getBandwidth() / 3)) {
if (freqDiff > 0) {
if (activeDemodulator->getDemodulatorType() != "USB") {
nextDragState = WF_DRAG_BANDWIDTH_LEFT;
SetCursor(wxCURSOR_SIZEWE);
}
} else {
if (activeDemodulator->getDemodulatorType() != "LSB") {
nextDragState = WF_DRAG_BANDWIDTH_RIGHT;
SetCursor(wxCURSOR_SIZEWE);
}
}
mouseTracker.setVertDragLock(true);
mouseTracker.setHorizDragLock(false);
setStatusText("Click and drag to change demodulator bandwidth. SPACE or numeric key for direct frequency input. [, ] to nudge, M for mute, D to delete, C to center.");
} else {
SetCursor(wxCURSOR_SIZING);
nextDragState = WF_DRAG_FREQUENCY;
mouseTracker.setVertDragLock(true);
mouseTracker.setHorizDragLock(false);
setStatusText("Click and drag to change demodulator frequency; SPACE or numeric key for direct input. [, ] to nudge, M for mute, D to delete, C to center.");
}
} else {
SetCursor(wxCURSOR_CROSS);
nextDragState = WF_DRAG_NONE;
if (shiftDown) {
setStatusText("Click to create a new demodulator or hold ALT to drag range, SPACE or numeric key for direct center frequency input.");
} else {
setStatusText(
"Click to set active demodulator frequency or hold ALT to drag range; hold SHIFT to create new. Right drag or wheel to Zoom. Arrow keys to navigate/zoom, C to center.");
}
}
delete demodsHover;
}
void WaterfallCanvas::OnMouseMoved(wxMouseEvent& event) {
InteractiveCanvas::OnMouseMoved(event);
DemodulatorInstance *demod = wxGetApp().getDemodMgr().getActiveDemodulator();
if (mouseTracker.mouseDown()) {
if (demod == NULL) {
return;
}
if (dragState == WF_DRAG_BANDWIDTH_LEFT || dragState == WF_DRAG_BANDWIDTH_RIGHT) {
int bwDiff = (int) (mouseTracker.getDeltaMouseX() * (float) getBandwidth()) * 2;
if (dragState == WF_DRAG_BANDWIDTH_LEFT) {
bwDiff = -bwDiff;
}
int currentBW = dragBW;
currentBW = currentBW + bwDiff;
if (currentBW > CHANNELIZER_RATE_MAX) {
currentBW = CHANNELIZER_RATE_MAX;
}
if (currentBW < MIN_BANDWIDTH) {
currentBW = MIN_BANDWIDTH;
}
demod->setBandwidth(currentBW);
dragBW = currentBW;
}
if (dragState == WF_DRAG_FREQUENCY) {
long long bwTarget = getFrequencyAt(mouseTracker.getMouseX()) - dragOfs;
long long currentFreq = demod->getFrequency();
long long bwDiff = bwTarget - currentFreq;
int snap = wxGetApp().getFrequencySnap();
if (snap > 1) {
bwDiff = roundf((float)bwDiff/(float)snap)*snap;
}
if (bwDiff) {
demod->setFrequency(currentFreq + bwDiff);
currentFreq = demod->getFrequency();
demod->updateLabel(currentFreq);
}
}
} else if (mouseTracker.mouseRightDown()) {
mouseZoom = mouseZoom + ((1.0 - (mouseTracker.getDeltaMouseY() * 4.0)) - mouseZoom) * 0.1;
} else {
long long freqPos = getFrequencyAt(mouseTracker.getMouseX());
std::vector<DemodulatorInstance *> *demodsHover = wxGetApp().getDemodMgr().getDemodulatorsAt(freqPos, 15000);
wxGetApp().getDemodMgr().setActiveDemodulator(NULL);
if (altDown) {
nextDragState = WF_DRAG_RANGE;
mouseTracker.setVertDragLock(true);
mouseTracker.setHorizDragLock(false);
if (shiftDown) {
setStatusText("Click and drag to create a new demodulator by range.");
} else {
setStatusText("Click and drag to set the current demodulator range.");
}
} else if (demodsHover->size() && !shiftDown) {
long near_dist = getBandwidth();
DemodulatorInstance *activeDemodulator = NULL;
for (int i = 0, iMax = demodsHover->size(); i < iMax; i++) {
DemodulatorInstance *demod = (*demodsHover)[i];
long long freqDiff = demod->getFrequency() - freqPos;
long halfBw = (demod->getBandwidth() / 2);
long long currentBw = getBandwidth();
long long globalBw = wxGetApp().getSampleRate();
long dist = abs(freqDiff);
double bufferBw = 10000.0 * ((double)currentBw / (double)globalBw);
double maxDist = ((double)halfBw + bufferBw);
if ((double)dist <= maxDist) {
if ((freqDiff > 0 && demod->getDemodulatorType() == "USB") ||
(freqDiff < 0 && demod->getDemodulatorType() == "LSB")) {
continue;
}
if (dist < near_dist) {
activeDemodulator = demod;
near_dist = dist;
}
long edge_dist = abs(halfBw - dist);
if (edge_dist < near_dist) {
activeDemodulator = demod;
near_dist = edge_dist;
}
}
}
if (activeDemodulator == NULL) {
nextDragState = WF_DRAG_NONE;
SetCursor(wxCURSOR_CROSS);
return;
}
wxGetApp().getDemodMgr().setActiveDemodulator(activeDemodulator);
long long freqDiff = activeDemodulator->getFrequency() - freqPos;
if (abs(freqDiff) > (activeDemodulator->getBandwidth() / 3)) {
if (freqDiff > 0) {
if (activeDemodulator->getDemodulatorType() != "USB") {
nextDragState = WF_DRAG_BANDWIDTH_LEFT;
SetCursor(wxCURSOR_SIZEWE);
}
} else {
if (activeDemodulator->getDemodulatorType() != "LSB") {
nextDragState = WF_DRAG_BANDWIDTH_RIGHT;
SetCursor(wxCURSOR_SIZEWE);
}
}
mouseTracker.setVertDragLock(true);
mouseTracker.setHorizDragLock(false);
setStatusText("Click and drag to change demodulator bandwidth. SPACE for direct frequency input. M for mute, D to delete, C to center.");
} else {
SetCursor(wxCURSOR_SIZING);
nextDragState = WF_DRAG_FREQUENCY;
mouseTracker.setVertDragLock(true);
mouseTracker.setHorizDragLock(false);
setStatusText("Click and drag to change demodulator frequency; SPACE for direct input. M for mute, D to delete, C to center.");
}
} else {
SetCursor(wxCURSOR_CROSS);
nextDragState = WF_DRAG_NONE;
if (shiftDown) {
setStatusText("Click to create a new demodulator or hold ALT to drag range, SPACE for direct center frequency input.");
} else {
setStatusText(
"Click to move active demodulator frequency or hold ALT to drag range; hold SHIFT to create new. Right drag or wheel to Zoom. Arrow keys to navigate/zoom, C to center.");
}
}
delete demodsHover;
}
}
void AppFrame::OnIdle(wxIdleEvent& event) {
bool work_done = false;
//#ifdef __APPLE__
// std::this_thread::sleep_for(std::chrono::milliseconds(4));
// std::this_thread::yield();
//#endif
DemodulatorInstance *demod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
if (demod) {
DemodulatorInstance *demod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
if (demod->isTracking()) {
if (spectrumCanvas->getViewState()) {
long long diff = abs(demod->getFrequency() - spectrumCanvas->getCenterFrequency()) + (demod->getBandwidth()/2) + (demod->getBandwidth()/4);
if (diff > spectrumCanvas->getBandwidth()/2) {
if (demod->getBandwidth() > spectrumCanvas->getBandwidth()) {
diff = abs(demod->getFrequency() - spectrumCanvas->getCenterFrequency());
} else {
diff = diff - spectrumCanvas->getBandwidth()/2;
}
spectrumCanvas->moveCenterFrequency((demod->getFrequency() < spectrumCanvas->getCenterFrequency())?diff:-diff);
demod->setTracking(false);
}
} else {
demod->setTracking(false);
}
}
if (demod != activeDemodulator) {
demodSignalMeter->setInputValue(demod->getSquelchLevel());
demodGainMeter->setInputValue(demod->getGain());
int outputDevice = demod->getOutputDevice();
scopeCanvas->setDeviceName(outputDevices[outputDevice].name);
outputDeviceMenuItems[outputDevice]->Check(true);
int dType = demod->getDemodulatorType();
demodModeSelector->setSelection(dType);
}
if (demodWaterfallCanvas->getDragState() == WaterfallCanvas::WF_DRAG_NONE) {
long long centerFreq = demod->getFrequency();
unsigned int demodBw = (unsigned int) ceil((float) demod->getBandwidth() * 2.25);
if (demod->getDemodulatorType() == DEMOD_TYPE_USB) {
demodBw /= 2;
centerFreq += demod->getBandwidth() / 4;
}
if (demod->getDemodulatorType() == DEMOD_TYPE_LSB) {
demodBw /= 2;
centerFreq -= demod->getBandwidth() / 4;
}
if (demodBw > wxGetApp().getSampleRate() / 2) {
demodBw = wxGetApp().getSampleRate() / 2;
}
if (demodBw < 20000) {
demodBw = 20000;
}
if (centerFreq != demodWaterfallCanvas->getCenterFrequency()) {
demodWaterfallCanvas->setCenterFrequency(centerFreq);
demodSpectrumCanvas->setCenterFrequency(centerFreq);
}
int dSelection = demodModeSelector->getSelection();
if (dSelection != -1 && dSelection != demod->getDemodulatorType()) {
demod->setDemodulatorType(dSelection);
}
demodWaterfallCanvas->setBandwidth(demodBw);
demodSpectrumCanvas->setBandwidth(demodBw);
}
demodSignalMeter->setLevel(demod->getSignalLevel());
demodGainMeter->setLevel(demod->getGain());
if (demodSignalMeter->inputChanged()) {
demod->setSquelchLevel(demodSignalMeter->getInputValue());
}
if (demodGainMeter->inputChanged()) {
demod->setGain(demodGainMeter->getInputValue());
demodGainMeter->setLevel(demodGainMeter->getInputValue());
}
activeDemodulator = demod;
} else {
DemodulatorMgr *mgr = &wxGetApp().getDemodMgr();
int dSelection = demodModeSelector->getSelection();
if (dSelection != -1 && dSelection != mgr->getLastDemodulatorType()) {
mgr->setLastDemodulatorType(dSelection);
}
demodGainMeter->setLevel(mgr->getLastGain());
if (demodSignalMeter->inputChanged()) {
mgr->setLastSquelchLevel(demodSignalMeter->getInputValue());
}
if (demodGainMeter->inputChanged()) {
mgr->setLastGain(demodGainMeter->getInputValue());
demodGainMeter->setLevel(demodGainMeter->getInputValue());
}
if (wxGetApp().getFrequency() != demodWaterfallCanvas->getCenterFrequency()) {
demodWaterfallCanvas->setCenterFrequency(wxGetApp().getFrequency());
demodSpectrumCanvas->setCenterFrequency(wxGetApp().getFrequency());
}
if (spectrumCanvas->getViewState() && abs(wxGetApp().getFrequency()-spectrumCanvas->getCenterFrequency()) > (wxGetApp().getSampleRate()/2)) {
spectrumCanvas->setCenterFrequency(wxGetApp().getFrequency());
waterfallCanvas->setCenterFrequency(wxGetApp().getFrequency());
}
}
if (demodTuner->getMouseTracker()->mouseInView()) {
if (!demodTuner->HasFocus()) {
demodTuner->SetFocus();
}
} else if (!waterfallCanvas->HasFocus()) {
waterfallCanvas->SetFocus();
}
scopeCanvas->setPPMMode(demodTuner->isAltDown());
event.Skip();
}