// Returns the number of lines
int CScrolledTextBox::Wrap(const wxString& text, int widthMax, int *lineHeight) {
const wxChar *lastSpace = NULL;
wxString line;
int height = 0, numLines = 0;
const wxChar *lineStart = text.c_str();
for ( const wxChar *p = lineStart; ; p++ ) {
if ( IsStartOfNewLine() ) {
m_text += _T('\n');
lastSpace = NULL;
line.clear();
lineStart = p;
}
if ( *p == _T('\n') || *p == _T('\0') ) {
line.Trim();
OnOutputLine(line);
m_eol = true;
++numLines;
if ( *p == _T('\0') )
break;
} else { // not EOL
if ( *p == _T(' ') ) {
lastSpace = p;
}
line += *p;
if ( widthMax >= 0 && lastSpace ) {
int width;
GetTextExtent(line, &width, &height);
if ( width > widthMax ) {
// remove the last word from this line
line.erase(lastSpace - lineStart, p + 1 - lineStart);
line.Trim();
OnOutputLine(line);
m_eol = true;
++numLines;
// go back to the last word of this line which we didn't
// output yet
p = lastSpace;
}
}
//else: no wrapping at all or impossible to wrap
}
}
*lineHeight = height;
return numLines;
}
// win is used for getting the font, text is the text to wrap, width is the
// max line width or -1 to disable wrapping
void Wrap(wxWindow *win, const wxString& text, int widthMax)
{
const wxChar *lastSpace = NULL;
wxString line;
const wxChar *lineStart = text.c_str();
for ( const wxChar *p = lineStart; ; p++ )
{
if ( IsStartOfNewLine() )
{
OnNewLine();
lastSpace = NULL;
line.clear();
lineStart = p;
}
if ( *p == _T('\n') || *p == _T('\0') )
{
DoOutputLine(line);
if ( *p == _T('\0') )
break;
}
else // not EOL
{
if ( *p == _T(' ') )
lastSpace = p;
line += *p;
if ( widthMax >= 0 && lastSpace )
{
int width;
win->GetTextExtent(line, &width, NULL);
if ( width > widthMax )
{
// remove the last word from this line
line.erase(lastSpace - lineStart, p + 1 - lineStart);
DoOutputLine(line);
// go back to the last word of this line which we didn't
// output yet
p = lastSpace;
}
}
//else: no wrapping at all or impossible to wrap
}
}
}
void wxTextWrapper::Wrap(wxWindow *win, const wxString& text, int widthMax)
{
wxString line;
wxString::const_iterator lastSpace = text.end();
wxString::const_iterator lineStart = text.begin();
for ( wxString::const_iterator p = lineStart; ; ++p )
{
if ( IsStartOfNewLine() )
{
OnNewLine();
lastSpace = text.end();
line.clear();
lineStart = p;
}
if ( p == text.end() || *p == wxT('\n') )
{
DoOutputLine(line);
if ( p == text.end() )
break;
}
else // not EOL
{
if ( *p == wxT(' ') )
lastSpace = p;
line += *p;
if ( widthMax >= 0 && lastSpace != text.end() )
{
int width;
win->GetTextExtent(line, &width, NULL);
if ( width > widthMax )
{
// remove the last word from this line
line.erase(lastSpace - lineStart, p + 1 - lineStart);
DoOutputLine(line);
// go back to the last word of this line which we didn't
// output yet
p = lastSpace;
}
}
//else: no wrapping at all or impossible to wrap
}
}
}
pxTextWrapperBase& pxTextWrapperBase::Wrap( const wxWindow& win, const wxString& text, int widthMax )
{
if( text.IsEmpty() ) return *this;
const wxChar *lastSpace = NULL;
bool wasWrapped = false;
wxString line;
line.Alloc( text.Length()+12 );
const wxChar* lineStart = text.wc_str();
for ( const wxChar *p = lineStart; ; p++ )
{
if ( IsStartOfNewLine() )
{
OnNewLine();
lastSpace = NULL;
lineStart = p;
if(wasWrapped)
line = m_indent;
else
line.clear();
}
if ( *p == L'\n' || *p == L'\0' )
{
wasWrapped = false;
DoOutputLine(line);
if ( *p == L'\0' )
break;
}
else // not EOL
{
if (is_cjk_char(*p))
{
if (!no_break_before(*p))
{
if (p == lineStart || !no_break_after(*(p-1)))
lastSpace = p;
}
}
else if ( *p == L' ' || *p == L',' || *p == L'/' )
lastSpace = p;
line += *p;
if ( widthMax >= 0 && lastSpace )
{
int width;
win.GetTextExtent(line, &width, NULL);
if ( width > widthMax )
{
wasWrapped = true;
// remove the last word from this line
line.erase(lastSpace - lineStart, p + 1 - lineStart);
DoOutputLine(line);
// go back to the last word of this line which we didn't
// output yet
p = lastSpace;
if ( *p != L' ' )
p--;
}
}
//else: no wrapping at all or impossible to wrap
}
}
return *this;
}