timetextctrl.cpp

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      if (handleDelim) {
         bool goToFrac = false;

         if (!inFrac && delimStr[delimStr.Length()-1]=='.') {
            goToFrac = true;
            if (delimStr.Length() > 1)
               delimStr = delimStr.BeforeLast('.');
         }

         if (inFrac) {
            if (mFracFields.GetCount() == 0) {
               // Should never happen
               return;
            }
            if (handleNum && mFracFields.GetCount() > 1)
               mFracFields[mFracFields.GetCount()-2].label = delimStr;
            else
               mFracFields[mFracFields.GetCount()-1].label = delimStr;
         }
         else {
            if (mWholeFields.GetCount() == 0)
               mPrefix = delimStr;
            else {
               mWholeFields[mWholeFields.GetCount()-1].label = delimStr;
            }
         }

         if (goToFrac)
            inFrac = true;
         delimStr = wxT("");
      }
   }

   for(i=0; i<mWholeFields.GetCount(); i++)
      mWholeFields[i].CreateDigitFormatStr();
   for(i=0; i<mFracFields.GetCount(); i++)
      mFracFields[i].CreateDigitFormatStr();
}

void TimeTextCtrl::PrintDebugInfo()
{
   unsigned int i;

   printf("%s", (const char *)mPrefix.mb_str());

   for(i=0; i<mWholeFields.GetCount(); i++)
      printf("(t / %d) %% %d '%s' ",
             mWholeFields[i].base,
             mWholeFields[i].range,
             (const char *)mWholeFields[i].label.mb_str());

   for(i=0; i<mFracFields.GetCount(); i++)
      printf("(t * %d) %% %d '%s' ",
             mFracFields[i].base,
             mFracFields[i].range,
             (const char *)mFracFields[i].label.mb_str());

   printf("\n");
}

wxString TimeTextCtrl::GetTimeString()
{
   int t_int = int(mTimeValue);
   double t_frac = (mTimeValue - t_int);
   wxString result;
   unsigned int i;

   result = mPrefix;
   for(i=0; i<mWholeFields.GetCount(); i++) {
      int value = (t_int / mWholeFields[i].base);
      if (mWholeFields[i].range > 0)
         value = value % mWholeFields[i].range;
      result += wxString::Format(mWholeFields[i].formatStr, value);
      result += mWholeFields[i].label;
   }
   for(i=0; i<mFracFields.GetCount(); i++) {
      int value = (int)(t_frac * mFracFields[i].base);
      if (mFracFields[i].range > 0)
         value = value % mFracFields[i].range;
      result += wxString::Format(mFracFields[i].formatStr, value);
      result += mFracFields[i].label;
   }

   return result;
}

void TimeTextCtrl::DeleteControls()
{
   unsigned int i;

   if (mPrefixStaticText) {
      mPrefixStaticText->Destroy();
      mPrefixStaticText = NULL;
   }

   for(i=0; i<mWholeFields.GetCount(); i++) {
      mWholeFields[i].textCtrl->Destroy();
      mWholeFields[i].staticCtrl->Destroy();
   }

   for(i=0; i<mFracFields.GetCount(); i++) {
      mFracFields[i].textCtrl->Destroy();
      mFracFields[i].staticCtrl->Destroy();
   }
}

void TimeTextCtrl::CreateControls()
{
   wxBoxSizer *mainSizer;
   wxTextCtrl *text;
   wxStaticText *stat;
   unsigned int i;
   int width;
   int digits;

   if (sTextHeight == 0)
      ComputeTextExtents();

   mainSizer = new wxBoxSizer(wxHORIZONTAL);

   if (mPrefix != wxT("")) {
      stat = new wxStaticText(this, -1, mPrefix);
      mainSizer->Add(stat, 0, wxALL | wxALIGN_CENTER_VERTICAL |
                     wxLEFT | wxRIGHT, 1);
      mPrefixStaticText = stat;
   }

   for(i=0; i<mWholeFields.GetCount(); i++) {
      digits = mWholeFields[i].digits;
      if (digits < 1)
         digits = 3;
      if (digits > 10)
         digits = 10;
      width = sTextWidth[digits];
      text = new wxTextCtrl(this, AnyTextCtrlID, wxT(""),
                            wxDefaultPosition, wxSize(width, -1),
                            wxTE_RIGHT);
      //if (mWholeFields[i].digits > 0)
      //   text->SetMaxLength(mWholeFields[i].digits);
      mainSizer->Add(text, 0, wxALL, 0);
      mWholeFields[i].textCtrl = text;

      stat = new wxStaticText(this, -1, mWholeFields[i].label);
      mainSizer->Add(stat, 0, wxALL | wxALIGN_CENTER_VERTICAL |
                     wxLEFT | wxRIGHT, 1);
      mWholeFields[i].staticCtrl = stat;
   }

   for(i=0; i<mFracFields.GetCount(); i++) {
      digits = mFracFields[i].digits;
      if (digits < 1)
         digits = 5;
      if (digits > 10)
         digits = 10;
      width = sTextWidth[digits];
      text = new wxTextCtrl(this, AnyTextCtrlID, wxT(""),
                            wxDefaultPosition, wxSize(width, -1),
                            wxTE_RIGHT);
      //if (mFracFields[i].digits > 0)
      //   text->SetMaxLength(mFracFields[i].digits);
      mainSizer->Add(text, 0, wxALL, 0);
      mFracFields[i].textCtrl = text;

      stat = new wxStaticText(this, -1, mFracFields[i].label);
      mainSizer->Add(stat, 0, wxALL | wxALIGN_CENTER_VERTICAL |
                     wxLEFT | wxRIGHT, 1);
      mFracFields[i].staticCtrl = stat;
   }

   SetAutoLayout(true);
   SetSizer(mainSizer);
   mainSizer->Fit(this);
   mainSizer->SetSizeHints(this);
}

void TimeTextCtrl::ValueToControls()
{
   long sel0, sel1;
   double theValue = mTimeValue * mScalingFactor;
   int t_int = int(theValue);
   double t_frac = (theValue - t_int);
   wxString str;
   unsigned int i;

   mModifyingText = true;

   for(i=0; i<mWholeFields.GetCount(); i++) {
      int value = (t_int / mWholeFields[i].base);
      if (mWholeFields[i].range > 0)
         value = value % mWholeFields[i].range;
      str.Printf(mWholeFields[i].formatStr, value);
      if (mWholeFields[i].str != str) {
         mWholeFields[i].str = str;
         mWholeFields[i].textCtrl->GetSelection(&sel0, &sel1);
         mWholeFields[i].textCtrl->SetValue(str);
         mWholeFields[i].textCtrl->SetSelection(sel0, sel1);
      }
   }
   for(i=0; i<mFracFields.GetCount(); i++) {
      int value = (int)(t_frac * mFracFields[i].base);
      if (mFracFields[i].range > 0)
         value = value % mFracFields[i].range;
      str.Printf(mFracFields[i].formatStr, value);
      if (mFracFields[i].str != str) {
         mFracFields[i].str = str;
         mFracFields[i].textCtrl->GetSelection(&sel0, &sel1);
         mFracFields[i].textCtrl->SetValue(str);
         mFracFields[i].textCtrl->SetSelection(sel0, sel1);
      }
   }

   mModifyingText = false;
}

void TimeTextCtrl::ControlsToValue()
{
   unsigned int i;
   double t = 0.0;

   for(i=0; i<mWholeFields.GetCount(); i++) {
      long val;
      mWholeFields[i].str = mWholeFields[i].textCtrl->GetValue();
      mWholeFields[i].str.ToLong(&val);
      t += (val * (double)mWholeFields[i].base);
   }
   for(i=0; i<mFracFields.GetCount(); i++) {
      long val;
      mFracFields[i].str = mFracFields[i].textCtrl->GetValue();
      mFracFields[i].str.ToLong(&val);
      t += (val / (double)mFracFields[i].base);
   }

   t /= mScalingFactor;

   mTimeValue = t;
}

void TimeTextCtrl::OnText(wxCommandEvent &event)
{
   // Don't trigger an event if we were the ones who modified the text
   if (mModifyingText) {
      return;
   }

   double oldValue = mTimeValue;

   ControlsToValue();

   if (oldValue == mTimeValue)
      return;

   //Create an event for the parent window to process.
   wxCommandEvent *e =
      new wxCommandEvent(wxEVT_COMMAND_TEXT_UPDATED, GetId());
   GetParent()->AddPendingEvent(*e);
   delete e;
}

bool TimeTextCtrl::HasAnyFocus()
{
   unsigned int i;
   wxWindow *focus = FindFocus();

   if (focus == this)
      return true;

   for(i=0; i<mWholeFields.GetCount(); i++)
      if (focus == mWholeFields[i].textCtrl)
         return true;

   for(i=0; i<mFracFields.GetCount(); i++)
      if (focus == mFracFields[i].textCtrl)
         return true;

   return false;
}

void TimeTextCtrl::ComputeTextExtents()
{
   // Figure out the font used in text controls, and measure it to
   // determine how many pixels wide (and tall) we need to make a
   // TextCtrl in order to have room for any number of digits
   // from 1 to 10.  Because the text control has a margin and border,
   // we need to add some constant pixels to this, which is currently
   // a hardcoded number per platform.

   #if defined(__WXGTK__)
   int xBorder = 2;
   int yBorder = 2;
   #elif defined(__WXMSW__)
   int xBorder = 6;
   int yBorder = 2;
   #elif defined(__WXMAC__)
   int xBorder = 2;
   int yBorder = 2;
   #else
   int xBorder = 2;
   int yBorder = 2;
   #endif

   wxChar str[11];
   wxTextCtrl *text;
   wxCoord width=0, height=0;
   unsigned int i;

   text = new wxTextCtrl(this, -1, wxT(""));
   wxTextAttr attr = text->GetDefaultStyle();
   wxMemoryDC dc;
   wxBitmap bitmap(300, 100);
   dc.SelectObject(bitmap);
   if (attr.HasFont())
      dc.SetFont(attr.GetFont());
   else
      dc.SetFont(text->GetFont());

   for(i=0; i<=10; i++) {
      str[i] = wxT('0');
      str[i+1] = 0;
      dc.GetTextExtent(str, &width, &height);
      sTextWidth[i] = width + xBorder;
      sTextHeight = height + yBorder;
   }

   text->Destroy();
}


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