private void TrackInsertText(NativeMethods.SCNotification scn)
{
var startLine = scintilla.DirectMessage(NativeMethods.SCI_LINEFROMPOSITION, new IntPtr(scn.position)).ToInt32();
if (scn.linesAdded == 0)
{
// That was easy
var delta = GetCharCount(scn.position, scn.length);
AdjustLineLength(startLine, delta);
}
else
{
var lineByteStart = 0;
var lineByteLength = 0;
// Adjust existing line
lineByteStart = scintilla.DirectMessage(NativeMethods.SCI_POSITIONFROMLINE, new IntPtr(startLine)).ToInt32();
lineByteLength = scintilla.DirectMessage(NativeMethods.SCI_LINELENGTH, new IntPtr(startLine)).ToInt32();
AdjustLineLength(startLine, GetCharCount(lineByteStart, lineByteLength) - CharLineLength(startLine));
for (int i = 1; i <= scn.linesAdded; i++)
{
var line = startLine + i;
// Insert new line
lineByteStart += lineByteLength;
lineByteLength = scintilla.DirectMessage(NativeMethods.SCI_LINELENGTH, new IntPtr(line)).ToInt32();
InsertPerLine(line, GetCharCount(lineByteStart, lineByteLength));
}
}
}
private void TrackDeleteText(NativeMethods.SCNotification scn)
{
var startLine = scintilla.DirectMessage(NativeMethods.SCI_LINEFROMPOSITION, new IntPtr(scn.position)).ToInt32();
if (scn.linesAdded == 0)
{
// That was easy
var delta = GetCharCount(scn.text, scn.length, scintilla.Encoding);
AdjustLineLength(startLine, delta * -1);
}
else
{
// Adjust the existing line
var lineByteStart = scintilla.DirectMessage(NativeMethods.SCI_POSITIONFROMLINE, new IntPtr(startLine)).ToInt32();
var lineByteLength = scintilla.DirectMessage(NativeMethods.SCI_LINELENGTH, new IntPtr(startLine)).ToInt32();
AdjustLineLength(startLine, GetCharCount(lineByteStart, lineByteLength) - CharLineLength(startLine));
var linesRemoved = scn.linesAdded * -1;
for (int i = 0; i < linesRemoved; i++)
{
// Deleted line
DeletePerLine(startLine + 1);
}
}
}
private void ScnModified(NativeMethods.SCNotification scn)
{
if ((scn.modificationType & NativeMethods.SC_MOD_DELETETEXT) > 0)
{
TrackDeleteText(scn);
}
if ((scn.modificationType & NativeMethods.SC_MOD_INSERTTEXT) > 0)
{
TrackInsertText(scn);
}
}
internal void RebuildLineData()
{
stepLine = 0;
stepLength = 0;
perLineData = new GapBuffer <PerLine>();
perLineData.Add(new PerLine {
Start = 0
});
perLineData.Add(new PerLine {
Start = 0
}); // Terminal
// Fake an insert notification
var scn = new NativeMethods.SCNotification();
scn.linesAdded = scintilla.DirectMessage(NativeMethods.SCI_GETLINECOUNT).ToInt32() - 1;
scn.position = 0;
scn.length = scintilla.DirectMessage(NativeMethods.SCI_GETLENGTH).ToInt32();
scn.text = scintilla.DirectMessage(NativeMethods.SCI_GETRANGEPOINTER, new IntPtr(scn.position), new IntPtr(scn.length));
TrackInsertText(scn);
}
public SCNotificationEventArgs(NativeMethods.SCNotification scn)
{
this.SCNotification = scn;
}
public SCNotificationEventArgs(NativeMethods.SCNotification scn)
{
this.SCNotification = scn;
}