wahwah.cpp

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// WDR: handler implementations for WahwahDialog

void WahwahDialog::OnResonanceSlider(wxCommandEvent & event)
{
   wxString str;
   long res = GetResonanceSlider()->GetValue();
   str.Printf(wxT("%.1f"), res / 10.0);
   GetResonanceText()->SetValue(str);
}

void WahwahDialog::OnDepthSlider(wxCommandEvent & event)
{
   wxString str;
   long depth = GetDepthSlider()->GetValue();
   str.Printf(wxT("%ld"), depth);
   GetDepthText()->SetValue(str);
}

void WahwahDialog::OnPhaseSlider(wxCommandEvent & event)
{
   wxString str;
   long phase = GetPhaseSlider()->GetValue();
   phase = ((phase + 5) / 10) * 10;     // round to nearest multiple of 10
   str.Printf(wxT("%ld"), phase);
   GetPhaseText()->SetValue(str);
}

void WahwahDialog::OnFreqSlider(wxCommandEvent & event)
{
   wxString str;
   long freql = GetFreqSlider()->GetValue();
   str.Printf(wxT("%.1f"), freql / 10.0);
   GetFreqText()->SetValue(str);
}

void WahwahDialog::OnFreqOffSlider(wxCommandEvent & event)
{
   wxString str;
   long freqoff = GetFreqOffSlider()->GetValue();
   str.Printf(wxT("%d"), (int) freqoff);
   GetFreqOffText()->SetValue(str);
}

void WahwahDialog::OnResonanceText(wxCommandEvent & event)
{
   wxTextCtrl *c = GetResonanceText();
   if (c) {
      double resd;
      c->GetValue().ToDouble(&resd);

      res = resd;
      res = TrapDouble(resd * 10, RES_MIN, RES_MAX) / 10.0;

      wxSlider *slider = GetResonanceSlider();
      if (slider)
         slider->SetValue((int)(res * 10));
   }
}

void WahwahDialog::OnDepthText(wxCommandEvent & event)
{
   wxTextCtrl *c = GetDepthText();
   if (c) {
      long depth;

      c->GetValue().ToLong(&depth);
      depth = TrapLong(depth, DEPTH_MIN, DEPTH_MAX);

      wxSlider *slider = GetDepthSlider();
      if (slider)
         slider->SetValue(depth);
   }
}

void WahwahDialog::OnPhaseText(wxCommandEvent & event)
{
   wxTextCtrl *c = GetPhaseText();
   if (c) {
      long phase;

      c->GetValue().ToLong(&phase);
      phase = TrapLong(phase, PHASE_MIN, PHASE_MAX);

      wxSlider *slider = GetPhaseSlider();
      if (slider)
         slider->SetValue(phase);
   }
}

void WahwahDialog::OnFreqText(wxCommandEvent & event)
{
   wxTextCtrl *c = GetFreqText();
   if (c) {
      long freql;
      double freqd;
      c->GetValue().ToDouble(&freqd);

      freq = freqd;
      freql = TrapLong(((long) (freq * 10)), FREQ_MIN, FREQ_MAX);

      wxSlider *slider = GetFreqSlider();
      if (slider)
         slider->SetValue(freql);
   }
}

void WahwahDialog::OnFreqOffText(wxCommandEvent & event)
{
   wxTextCtrl *c = GetFreqOffText();
   if (c) {
      double freqoff;
      c->GetValue().ToDouble(&freqoff);
      freqoff = TrapDouble(freqoff, FREQOFF_MIN, FREQOFF_MAX);

      wxSlider *slider = GetFreqOffSlider();
      if (slider)
         slider->SetValue((int)freqoff);
   }
}

void WahwahDialog::OnPreview(wxCommandEvent &event)
{
   TransferDataFromWindow();

	// Save & restore parameters around Preview, because we didn't do OK.
   float old_freq = m_pEffect->freq;
   float old_freqofs = m_pEffect->freqofs;
	float old_startphase = m_pEffect->startphase;
   float old_res = m_pEffect->res;
   float old_depth = m_pEffect->depth;
   
   m_pEffect->freq = freq;
   m_pEffect->freqofs = freqoff / 100;
   m_pEffect->startphase = startphase * M_PI / 180;
   m_pEffect->res = res;
   m_pEffect->depth = depth / 100;

   m_pEffect->Preview();

   m_pEffect->freq = old_freq;
   m_pEffect->freqofs = old_freqofs;
   m_pEffect->startphase = old_startphase;
   m_pEffect->res = old_res;
   m_pEffect->depth = old_depth;
}

void WahwahDialog::OnOk(wxCommandEvent & event)
{
   TransferDataFromWindow();

   if (Validate())
      EndModal(true);
   else {
      event.Skip();
   }
}

void WahwahDialog::OnCancel(wxCommandEvent & event)
{
   EndModal(false);
}

// Implement window functions

wxSizer *CreateWahwahDialog(wxWindow * parent, bool call_fit,
                            bool set_sizer)
{
   wxBoxSizer *item0 = new wxBoxSizer(wxVERTICAL);

   wxStaticText *item1 =
       new wxStaticText(parent, -1, _("Wahwah by Nasca Octavian Paul"),
                        wxDefaultPosition, wxDefaultSize, 0);
   item0->Add(item1, 0, wxALIGN_CENTRE | wxALL, 5);

   wxFlexGridSizer *item10 = new wxFlexGridSizer(3, 0, 0);

   wxStaticText *item11 =
       new wxStaticText(parent, -1, _("LFO Frequency (Hz):"),
                        wxDefaultPosition, wxDefaultSize, 0);
   item10->Add(item11, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL,
               5);

   wxTextCtrl *item12 =
       new wxTextCtrl(parent, ID_FREQTEXT, wxT(""), wxDefaultPosition,
                      wxSize(40, -1), 0);
   item10->Add(item12, 0, wxALIGN_CENTRE | wxALL, 5);

   wxSlider *item13 =
       new wxSlider(parent, ID_FREQSLIDER, 100, FREQ_MIN, FREQ_MAX,
                    wxDefaultPosition, wxSize(100, -1), wxSL_HORIZONTAL);
   item10->Add(item13, 0, wxALIGN_CENTRE | wxALL, 5);

   wxStaticText *item14 =
       new wxStaticText(parent, -1, _("LFO Start Phase (deg.):"),
                        wxDefaultPosition, wxDefaultSize, 0);
   item10->Add(item14, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL,
               5);

   wxTextCtrl *item15 =
       new wxTextCtrl(parent, ID_PHASETEXT, wxT(""), wxDefaultPosition,
                      wxSize(40, -1), 0);
   item10->Add(item15, 0, wxALIGN_CENTRE | wxALL, 5);

   wxSlider *item16 =
       new wxSlider(parent, ID_PHASESLIDER, 0, PHASE_MIN, PHASE_MAX,
                    wxDefaultPosition, wxSize(100, -1), wxSL_HORIZONTAL);
   item10->Add(item16, 0, wxALIGN_CENTRE | wxALL, 5);

   wxStaticText *item17 =
       new wxStaticText(parent, -1, _("Depth (%):"), wxDefaultPosition,
                        wxDefaultSize, wxALIGN_RIGHT);
   item10->Add(item17, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL,
               5);

   wxTextCtrl *item18 =
       new wxTextCtrl(parent, ID_DEPTHTEXT, wxT(""), wxDefaultPosition,
                      wxSize(40, -1), 0);
   item10->Add(item18, 0, wxALIGN_CENTRE | wxALL, 5);

   wxSlider *item19 =
       new wxSlider(parent, ID_DEPTHSLIDER, 0, DEPTH_MIN, DEPTH_MAX,
                    wxDefaultPosition, wxSize(100, -1), wxSL_HORIZONTAL);
   item10->Add(item19, 0, wxALIGN_CENTRE | wxALL, 5);

   wxStaticText *item20 =
       new wxStaticText(parent, -1, _("Resonance:"), wxDefaultPosition,
                        wxDefaultSize, wxALIGN_RIGHT);
   item10->Add(item20, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL,
               5);

   wxTextCtrl *item21 =
       new wxTextCtrl(parent, ID_RESONANCETEXT, wxT(""), wxDefaultPosition,
                      wxSize(40, -1), 0);
   item10->Add(item21, 0, wxALIGN_CENTRE | wxALL, 5);

   wxSlider *item22 =
       new wxSlider(parent, ID_RESONANCESLIDER, 0, RES_MIN, RES_MAX,
                    wxDefaultPosition, wxSize(100, -1), wxSL_HORIZONTAL);
   item10->Add(item22, 0, wxALIGN_CENTRE | wxALL, 5);

   wxStaticText *item30 =
       new wxStaticText(parent, -1, _("Wah Frequency Offset (%):"),
                        wxDefaultPosition, wxDefaultSize, wxALIGN_RIGHT);
   item10->Add(item30, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL,
               5);

   wxTextCtrl *item31 =
       new wxTextCtrl(parent, ID_FREQOFFTEXT, wxT(""), wxDefaultPosition,
                      wxSize(40, -1), 0);
   item10->Add(item31, 0, wxALIGN_CENTRE | wxALL, 5);

   wxSlider *item32 =
       new wxSlider(parent, ID_FREQOFFSLIDER, 0, FREQOFF_MIN, FREQOFF_MAX,
                    wxDefaultPosition, wxSize(100, -1), wxSL_HORIZONTAL);
   item10->Add(item32, 0, wxALIGN_CENTRE | wxALL, 5);

   item0->Add(item10, 0, wxALIGN_CENTRE | wxALL, 5);

   wxBoxSizer *item23 = new wxBoxSizer(wxHORIZONTAL);

   wxButton * pButton_Preview = 
		new wxButton(parent, ID_BUTTON_PREVIEW, 
							_("Preview")); //v Should be m_pEffect->GetPreviewName().
   item23->Add(pButton_Preview, 0, wxALIGN_CENTER | wxALL, 5);
   item23->Add(20, 10); // horizontal spacer

   wxButton *item25 =
       new wxButton(parent, wxID_CANCEL, _("Cancel"), wxDefaultPosition,
                    wxDefaultSize, 0);
   item23->Add(item25, 0, wxALIGN_CENTRE | wxALL, 5);

   wxButton *item24 =
       new wxButton(parent, wxID_OK, _("OK"), wxDefaultPosition,
                    wxDefaultSize, 0);
   item24->SetDefault();
   item24->SetFocus();
   item23->Add(item24, 0, wxALIGN_CENTRE | wxALL, 5);

   item0->Add(item23, 0, wxALIGN_CENTRE | wxALL, 5);

   if (set_sizer) {
      parent->SetAutoLayout(TRUE);
      parent->SetSizer(item0);
      if (call_fit) {
         item0->Fit(parent);
         item0->SetSizeHints(parent);
      }
   }

   return item0;
}

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