public void OnHomeOrEnd(MultiLineEntry entry, bool home)
{
var linech = entry.GetLinesCharsCount();
// sepos = 1 if at end of whole text, -1 if at begin, else it will always be 0
sbyte sepos = (sbyte)(entry.CaretIndex == 0 ? -1 : entry.CaretIndex == entry.Text.Length ? 1 : 0);
int caretpos = entry.CaretIndex;
for (int l = 0; l < linech.Length; l++)
{
caretpos -= linech[l];
if (!home)
{
int txtlen = entry.Text.Length;
if (caretpos == -1 && sepos <= 0 || sepos > 0 || txtlen == 0)
{
if (entry.CaretIndex == txtlen && ActiveInternalPage + 1 < BookPageCount)
{
_AtEnd = 1;
}
entry.SetCaretPosition(txtlen);
break;
}
if (caretpos < 0 || sepos < 0)
{
entry.SetCaretPosition(entry.CaretIndex - caretpos - (l + 1 != linech.Length ? 1 : 0));
break;
}
}
else
{
if (caretpos == 0 && (sepos == 0 || l + 2 == linech.Length && linech[l + 1] == 0) || sepos < 0)
{
if (entry.CaretIndex == 0 && ActiveInternalPage > 0)
{
_AtEnd = -1;
}
entry.SetCaretPosition(0);
break;
}
if (caretpos < 0 || sepos > 0 && caretpos == 0)
{
entry.SetCaretPosition(entry.CaretIndex - (linech[l] + caretpos));
break;
}
}
}
}
public void Scale(MultiLineEntry entry, bool fromleft)
{
var linech = entry.GetLinesCharsCount(entry.Text);
int caretpos = entry.CaretIndex;
(int, int)selection = entry.GetSelectionArea();
bool multilinesel = selection.Item1 != -1;
if (!multilinesel)
{
for (int l = 0; l < linech.Length && !_scale; l++)
{
caretpos -= linech[l];
_scale = fromleft ? caretpos == -linech[l] : caretpos == 0;
}
if (fromleft)
{
_scale = _scale && (ActiveInternalPage > 0 || entry.CaretIndex > 0);
}
}
entry.RemoveChar(fromleft);
}
public PBookData(BookGump gump) : base(0x66)
{
EnsureSize(256);
WriteUInt(gump.LocalSerial);
List <int> changed = new List <int>();
for (int i = 1; i < gump.PageChanged.Length; i++)
{
if (gump.PageChanged[i])
{
changed.Add(i);
}
}
WriteUShort((ushort)changed.Count);
for (int i = changed.Count - 1; i >= 0; --i)
{
WriteUShort((ushort)changed[i]);
MultiLineEntry mle = gump.m_Pages[changed[i] - 1].TxEntry;
StringBuilder sb = new StringBuilder(mle.Text);
int rows = 0;
if (sb.Length > 0)
{
var lcc = mle.GetLinesCharsCount(mle.Text);
rows = Math.Min(MaxBookLines, lcc.Length);
int pos = lcc.Sum();
for (int l = rows - 1; l >= 0; --l)
{
if (pos > 0 && (lcc[l] == 0 || sb[pos - 1] != '\n'))
{
sb.Insert(pos, '\n');
}
pos -= lcc[l];
}
}
var splits = sb.ToString().Split('\n');
int length = splits.Length;
WriteUShort((ushort)Math.Min(length, MaxBookLines));
if (length > MaxBookLines && changed[i] >= gump.BookPageCount)
{
Log.Error($"Book page {changed[i]} split into too many lines: {length - MaxBookLines} Additional lines will be lost");
}
for (int j = 0; j < length; j++)
{
// each line should BE < 53 chars long, even if 80 is admitted (the 'dot' is the least space demanding char, '.',
// a page full of dots is 52 chars exactly, but in multibyte things might change in byte size!)
if (j < MaxBookLines)
{
if (IsNewBook)
{
byte[] buf = Encoding.UTF8.GetBytes(splits[j]);
if (buf.Length > 79)
{
Log.Error($"Book page {changed[i]} single line too LONG, total lenght -> {buf.Length} vs MAX 79 bytes allowed, some content might get lost");
splits[j] = splits[j].Substring(0, 79);
}
WriteBytes(buf, 0, buf.Length);
WriteByte(0);
}
else
{
if (splits[j].Length > 79)
{
Log.Error($"Book page {changed[i]} single line too LONG, total lenght -> {splits[j].Length} vs MAX 79 bytes allowed, some content might get lost");
splits[j] = splits[j].Substring(0, 79);
}
WriteASCII(splits[j]);
}
}
}
}
}