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Minor GUI improvements

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- allow 'wrong' input for unit edits where only one case makes sense (e.g. 10mHz for 10MHz)
- fix behavior when changing center of span would exceed the allowed range
- only change value for level or points when editing is finished (not on every keyboard input)
This commit is contained in:
Jan Käberich 2020-11-12 18:56:39 +01:00
parent 3ce4a88a25
commit 3d97e4ca20
4 changed files with 97 additions and 27 deletions
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27
Software/PC_Application/SpectrumAnalyzer/spectrumanalyzer.cpp
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@ -294,12 +294,17 @@ void SpectrumAnalyzer::SetStopFreq(double freq)
void SpectrumAnalyzer::SetCenterFreq(double freq)
{
auto old_span = settings.f_stop - settings.f_start;
if (freq > old_span / 2) {
settings.f_start = freq - old_span / 2;
settings.f_stop = freq + old_span / 2;
} else {
if (freq - old_span / 2 <= Device::Info().limits_minFreq) {
// would shift start frequency below minimum
settings.f_start = 0;
settings.f_stop = 2 * freq;
} else if(freq + old_span / 2 >= Device::Info().limits_maxFreq) {
// would shift stop frequency above maximum
settings.f_start = 2 * freq - Device::Info().limits_maxFreq;
settings.f_stop = Device::Info().limits_maxFreq;
} else {
settings.f_start = freq - old_span / 2;
settings.f_stop = freq + old_span / 2;
}
ConstrainAndUpdateFrequencies();
}
@ -307,12 +312,18 @@ void SpectrumAnalyzer::SetCenterFreq(double freq)
void SpectrumAnalyzer::SetSpan(double span)
{
auto old_center = (settings.f_start + settings.f_stop) / 2;
if(old_center > span / 2) {
settings.f_start = old_center - span / 2;
if(old_center < Device::Info().limits_minFreq + span / 2) {
// would shift start frequency below minimum
settings.f_start = Device::Info().limits_minFreq;
settings.f_stop = Device::Info().limits_minFreq + span;
} else if(old_center > Device::Info().limits_maxFreq - span / 2) {
// would shift stop frequency above maximum
settings.f_start = Device::Info().limits_maxFreq - span;
settings.f_stop = Device::Info().limits_maxFreq;
} else {
settings.f_start = 0;
settings.f_start = old_center - span / 2;
settings.f_stop = settings.f_start + span;
}
settings.f_stop = old_center + span / 2;
ConstrainAndUpdateFrequencies();
}