// methods
//-------------------------------------------------
// actual_left
//-------------------------------------------------
public float actual_left()
{
if (m_current_line != null)
{
// TODO: is there a sane way to allow an open line to be temporarily finalised and rolled back?
m_current_line.align_text(this);
m_current_line = null;
}
if (empty()) // degenerate scenario
{
return(0.0f);
}
float result = 1.0f;
foreach (var line in m_lines)
{
if (line.width() != 0)
{
result = std.min(result, line.xoffset(this));
}
}
return(result);
}
//-------------------------------------------------
// word_wrap
//-------------------------------------------------
void word_wrap()
{
// keep track of the last line and break
line last_line = m_current_line;
size_t last_break = m_last_break != 0 ? m_last_break : (last_line.character_count() - 1);
// start a new line with the same justification
start_new_line(last_line.character(last_line.character_count() - 1).style.size);
// find the beginning of the word to wrap
size_t position = last_break;
while ((last_line.character_count() > position) && is_space_character(last_line.character(position).character))
{
position++;
}
// carry over justification
if (last_line.right_justify_start() <= position)
{
m_current_line.set_justification(text_justify.RIGHT);
}
else if (last_line.center_justify_start() <= position)
{
m_current_line.set_justification(text_justify.CENTER);
}
// transcribe the characters
for (size_t i = position; i < last_line.character_count(); i++)
{
if (last_line.right_justify_start() == i)
{
m_current_line.set_justification(text_justify.RIGHT);
}
else if (last_line.center_justify_start() == i)
{
m_current_line.set_justification(text_justify.CENTER);
}
var ch = last_line.character(i);
m_current_line.add_character(this, ch.character, ch.style, ch.source);
}
// and finally, truncate the previous line and adjust spacing
last_line.truncate(last_break);
last_line.align_text(this);
}