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peak trace: persist min/max

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This commit is contained in:
Erik Bročko
2026-03-25 22:23:13 +01:00
parent 2bf7ee45c8
commit d139ad517e
2 changed files with 13 additions and 1 deletions
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8
src/ui/Application.cpp
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@@ -790,7 +790,11 @@ void Application::renderControlPanel() {
if (ImGui::IsItemHovered()) ImGui::SetTooltip("Enable measurements");
if (headerOpen) {
float prevMin = measurements_.traceMinFreq;
float prevMax = measurements_.traceMaxFreq;
measurements_.drawPanel();
if (measurements_.traceMinFreq != prevMin || measurements_.traceMaxFreq != prevMax)
saveConfig();
}
}
@@ -1423,6 +1427,8 @@ void Application::loadConfig() {
specDisplay_.peakHoldEnable = config_.getBool("peak_hold", specDisplay_.peakHoldEnable);
specDisplay_.peakHoldDecay = config_.getFloat("peak_hold_decay", specDisplay_.peakHoldDecay);
cursors_.snapToPeaks = config_.getBool("snap_to_peaks", cursors_.snapToPeaks);
measurements_.traceMinFreq = config_.getFloat("trace_min_freq", measurements_.traceMinFreq);
measurements_.traceMaxFreq = config_.getFloat("trace_max_freq", measurements_.traceMaxFreq);
// Clamp
fftSizeIdx_ = std::clamp(fftSizeIdx_, 0, kNumFFTSizes - 1);
@@ -1464,6 +1470,8 @@ void Application::saveConfig() const {
cfg.setBool("peak_hold", specDisplay_.peakHoldEnable);
cfg.setFloat("peak_hold_decay", specDisplay_.peakHoldDecay);
cfg.setBool("snap_to_peaks", cursors_.snapToPeaks);
cfg.setFloat("trace_min_freq", measurements_.traceMinFreq);
cfg.setFloat("trace_max_freq", measurements_.traceMaxFreq);
if (paDeviceIdx_ >= 0 && paDeviceIdx_ < static_cast<int>(paDevices_.size()))
cfg.setString("device_name", paDevices_[paDeviceIdx_].name);