Ejemplo n.º 1
0
// 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;
}
Ejemplo n.º 2
0
    // 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
            }
        }
    }
Ejemplo n.º 3
0
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
        }
    }
}
Ejemplo n.º 4
0
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;
}