CubicSDR/src/FrequencyDialog.cpp

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#include "FrequencyDialog.h"
#include "wx/clipbrd.h"
#include <sstream>
#include <iomanip>
#include "CubicSDR.h"
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wxBEGIN_EVENT_TABLE(FrequencyDialog, wxDialog)
EVT_CHAR_HOOK(FrequencyDialog::OnChar)
wxEND_EVENT_TABLE()
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FrequencyDialog::FrequencyDialog(wxWindow * parent, wxWindowID id, const wxString & title, DemodulatorInstance *demod, const wxPoint & position,
const wxSize & size, long style) :
wxDialog(parent, id, title, position, size, style) {
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wxString freqStr;
activeDemod = demod;
if (activeDemod) {
freqStr = frequencyToStr(activeDemod->getFrequency());
} else {
freqStr = frequencyToStr(wxGetApp().getFrequency());
}
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dialogText = new wxTextCtrl(this, wxID_FREQ_INPUT, freqStr, wxPoint(6, 1), wxSize(size.GetWidth() - 20, size.GetHeight() - 70),
wxTE_PROCESS_ENTER);
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dialogText->SetFont(wxFont(20, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_BOLD));
Centre();
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dialogText->SetSelection(-1, -1);
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}
std::string& FrequencyDialog::filterChars(std::string& s, const std::string& allowed) {
s.erase(remove_if(s.begin(), s.end(), [&allowed](const char& c) {
return allowed.find(c) == std::string::npos;
}), s.end());
return s;
}
std::string FrequencyDialog::frequencyToStr(long long freq) {
long double freqTemp;
freqTemp = freq;
std::string suffix("");
std::stringstream freqStr;
if (freqTemp >= 1.0e9) {
freqTemp /= 1.0e9;
freqStr << std::setprecision(10);
suffix = std::string("GHz");
} else if (freqTemp >= 1.0e6) {
freqTemp /= 1.0e6;
freqStr << std::setprecision(7);
suffix = std::string("MHz");
} else if (freqTemp >= 1.0e3) {
freqTemp /= 1.0e3;
freqStr << std::setprecision(4);
suffix = std::string("KHz");
}
freqStr << freqTemp;
freqStr << suffix;
return freqStr.str();
}
long long FrequencyDialog::strToFrequency(std::string freqStr) {
std::string filterStr = filterChars(freqStr, std::string("0123456789.MKGHmkgh"));
int numLen = filterStr.find_first_not_of("0123456789.");
if (numLen == std::string::npos) {
numLen = freqStr.length();
}
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std::string numPartStr = freqStr.substr(0, numLen);
std::string suffixStr = freqStr.substr(numLen);
std::stringstream numPartStream;
numPartStream.str(numPartStr);
long double freqTemp = 0;
numPartStream >> freqTemp;
if (suffixStr.length()) {
if (suffixStr.find_first_of("Gg") != std::string::npos) {
freqTemp *= 1.0e9;
} else if (suffixStr.find_first_of("Mm") != std::string::npos) {
freqTemp *= 1.0e6;
} else if (suffixStr.find_first_of("Kk") != std::string::npos) {
freqTemp *= 1.0e3;
} else if (suffixStr.find_first_of("Hh") != std::string::npos) {
// ...
}
} else if (numPartStr.find_first_of(".") != std::string::npos || freqTemp <= 3000) {
freqTemp *= 1.0e6;
}
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return (long long) freqTemp;
}
void FrequencyDialog::OnChar(wxKeyEvent& event) {
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int c = event.GetKeyCode();
long long freq;
switch (c) {
case WXK_RETURN:
case WXK_NUMPAD_ENTER:
// Do Stuff
freq = strToFrequency(dialogText->GetValue().ToStdString());
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if (activeDemod) {
activeDemod->setTracking(true);
activeDemod->setFollow(true);
activeDemod->setFrequency(freq);
activeDemod->updateLabel(freq);
} else {
wxGetApp().setFrequency(freq);
}
Close();
break;
case WXK_ESCAPE:
Close();
break;
}
std::string allowed("0123456789.MKGHZmkghz");
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if (allowed.find_first_of(c) != std::string::npos || c == WXK_DELETE || c == WXK_BACK || c == WXK_NUMPAD_DECIMAL
|| (c >= WXK_NUMPAD0 && c <= WXK_NUMPAD9)) {
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#ifdef __linux__
dialogText->OnChar(event);
event.Skip();
#else
event.DoAllowNextEvent();
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#endif
} else if (event.ControlDown() && c == 'V') {
// Alter clipboard contents to remove unwanted chars
wxTheClipboard->Open();
wxTextDataObject data;
wxTheClipboard->GetData(data);
std::string clipText = data.GetText().ToStdString();
std::string pasteText = filterChars(clipText, std::string(allowed));
wxTheClipboard->SetData(new wxTextDataObject(pasteText));
wxTheClipboard->Close();
event.Skip();
} else if (c == WXK_RIGHT || c == WXK_LEFT || event.ControlDown()) {
event.Skip();
}
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}