void StatusBar::UpdateBarFromActiveEditor() {
EditorCtrl* editorCtrl = m_parentFrame.GetEditorCtrl();
if (!editorCtrl) return;
const unsigned int changeToken = editorCtrl->GetChangeToken();
const int id = editorCtrl->GetId();
const unsigned int pos = editorCtrl->GetPos();
// In rare cases a new editorCtrl may get same address as
// a previous one, so we also track the window id.
const bool newEditorCtrl = (editorCtrl != m_editorCtrl || id != m_editorCtrlId);
// Only update if the editorCtrl has changed
const bool updatePanels = newEditorCtrl || (m_changeToken != changeToken) || (m_pos != pos);
if (!updatePanels) return;
if (newEditorCtrl) m_changeToken = 0; // reset
m_editorCtrl = editorCtrl;
m_editorCtrlId = id;
Freeze();
UpdateTabs();
if (editorCtrl) {
// Caret position
const unsigned int line = editorCtrl->GetCurrentLineNumber();
const unsigned int column = editorCtrl->GetCurrentColumnNumber();
if (line != m_line || column != m_column) {
SetStatusText(wxString::Format(wxT("Line: %u Column: %u"), line, column), 0);
m_line = line;
m_column = column;
}
// Syntax
SetPanelTextIfDifferent(editorCtrl->GetSyntaxName(), 1);
// Only reload symbol list if doc has changed
bool symbolsChanged = false;
if (newEditorCtrl || m_changeToken != changeToken) {
m_symbols.clear();
if (editorCtrl->GetSymbols(m_symbols)) {
m_changeToken = editorCtrl->GetChangeToken(); // Track change state (so we only update on change)
symbolsChanged = true;
}
}
// Symbols
if (newEditorCtrl || symbolsChanged || m_pos != pos) {
SetStatusText(wxEmptyString, 3);
for (std::vector<SymbolRef>::reverse_iterator p = m_symbols.rbegin(); p != m_symbols.rend(); ++p) {
if (m_pos >= p->start) {
const SymbolRef& sr = *p;
SetStatusText(editorCtrl->GetSymbolString(sr), 3);
break;
}
}
}
// Encoding
wxFontEncoding enc = editorCtrl->GetEncoding();
wxTextFileType eol = editorCtrl->GetEOL();
wxString encoding = wxFontMapper::GetEncodingName(enc).Lower();
if (enc == wxFONTENCODING_DEFAULT) enc = wxLocale::GetSystemEncoding();
if (enc == wxFONTENCODING_UTF7 || enc == wxFONTENCODING_UTF8 || enc == wxFONTENCODING_UTF16LE ||
enc == wxFONTENCODING_UTF16BE || enc == wxFONTENCODING_UTF32LE || enc == wxFONTENCODING_UTF32BE) {
if (editorCtrl->GetBOM()) encoding += wxT("+bom");
}
if (eol == wxTextFileType_None) eol = wxTextBuffer::typeDefault;
if (eol == wxTextFileType_Dos) encoding += wxT(" crlf");
else if (eol == wxTextFileType_Unix) encoding += wxT(" lf");
else if (eol == wxTextFileType_Mac) encoding += wxT(" cr");
SetStatusText(encoding, 4);
m_pos = pos;
}
Thaw();
}
