ericek111/baudmine
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better Hz/db formatting

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This commit is contained in:
Erik Bročko
2026-03-25 21:09:33 +01:00
parent e139e564c9
commit c9b6b8d83d
4 changed files with 51 additions and 56 deletions
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29
src/ui/Application.cpp
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@@ -460,13 +460,7 @@ void Application::render() {
// Frequency label at top of waterfall
char freqLabel[48];
double hf = cursors_.hover.freq;
if (std::abs(hf) >= 1e6)
std::snprintf(freqLabel, sizeof(freqLabel), "%.6f MHz", hf / 1e6);
else if (std::abs(hf) >= 1e3)
std::snprintf(freqLabel, sizeof(freqLabel), "%.3f kHz", hf / 1e3);
else
std::snprintf(freqLabel, sizeof(freqLabel), "%.1f Hz", hf);
fmtFreq(freqLabel, sizeof(freqLabel), cursors_.hover.freq);
ImVec2 tSz = ImGui::CalcTextSize(freqLabel);
float lx = std::min(hx + 4, wfPosX_ + wfSizeX_ - tSz.x - 4);
@@ -572,7 +566,8 @@ void Application::renderControlPanel() {
if (ImGui::CollapsingHeader("FFT", ImGuiTreeNodeFlags_DefaultOpen)) {
const char* sizeNames[] = {"256", "512", "1024", "2048", "4096",
"8192", "16384", "32768", "65536"};
ImGui::SetNextItemWidth(-1);
float halfW = (ImGui::GetContentRegionAvail().x - ImGui::GetStyle().ItemSpacing.x) * 0.5f;
ImGui::SetNextItemWidth(halfW);
if (ImGui::Combo("##fftsize", &fftSizeIdx_, sizeNames, kNumFFTSizes)) {
settings_.fftSize = kFFTSizes[fftSizeIdx_];
updateAnalyzerSettings();
@@ -580,9 +575,10 @@ void Application::renderControlPanel() {
}
if (ImGui::IsItemHovered()) ImGui::SetTooltip("FFT Size");
ImGui::SameLine();
const char* winNames[] = {"Rectangular", "Hann", "Hamming", "Blackman",
"Blackman-Harris", "Kaiser", "Flat Top"};
ImGui::SetNextItemWidth(-1);
ImGui::SetNextItemWidth(halfW);
if (ImGui::Combo("##window", &windowIdx_, winNames,
static_cast<int>(WindowType::Count))) {
settings_.window = static_cast<WindowType>(windowIdx_);
@@ -621,7 +617,7 @@ void Application::renderControlPanel() {
ImVec2 rMax = ImGui::GetItemRectMax();
float tx = rMin.x + ((rMax.x - rMin.x) - textSize.x) * 0.5f;
float ty = rMin.y + ((rMax.y - rMin.y) - textSize.y) * 0.5f;
ImGui::GetForegroundDrawList()->AddText({tx, ty}, IM_COL32(255, 255, 255, 220), overlayText);
ImGui::GetWindowDrawList()->AddText({tx, ty}, IM_COL32(255, 255, 255, 220), overlayText);
if (ImGui::IsItemHovered()) ImGui::SetTooltip("Overlap");
}
}
@@ -635,6 +631,7 @@ void Application::renderControlPanel() {
if (ImGui::IsItemHovered()) ImGui::SetTooltip("dB Range (min / max)");
ImGui::Checkbox("Peak Hold", &specDisplay_.peakHoldEnable);
if (ImGui::IsItemHovered()) ImGui::SetTooltip("Draws a \"maximum\" line in the spectrogram");
if (specDisplay_.peakHoldEnable) {
ImGui::SameLine();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x
@@ -669,6 +666,7 @@ void Application::renderControlPanel() {
viewLo_ = 0.0f;
viewHi_ = 0.5f;
}
if (ImGui::IsItemHovered()) ImGui::SetTooltip("Reset to 2x zoom");
}
}
@@ -829,12 +827,11 @@ void Application::renderControlPanel() {
int pkCh2 = std::clamp(waterfallChannel_, 0, analyzer_.numSpectra() - 1);
auto [peakBin, peakDB] = analyzer_.findPeak(pkCh2);
double peakFreq = analyzer_.binToFreq(peakBin);
if (std::abs(peakFreq) >= 1e6)
ImGui::TextDisabled("Peak: %.6f MHz, %.1f dB", peakFreq / 1e6, peakDB);
else if (std::abs(peakFreq) >= 1e3)
ImGui::TextDisabled("Peak: %.3f kHz, %.1f dB", peakFreq / 1e3, peakDB);
else
ImGui::TextDisabled("Peak: %.1f Hz, %.1f dB", peakFreq, peakDB);
{
char peakBuf[128];
fmtFreqDB(peakBuf, sizeof(peakBuf), "Peak", peakFreq, peakDB);
ImGui::TextDisabled("%s", peakBuf);
}
}
void Application::renderSpectrumPanel() {