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;
}
private void WmReflectNotify(ref Message m)
{
// A standard Windows notification and a Scintilla notification header are compatible
NativeMethods.SCNotification scn = (NativeMethods.SCNotification)Marshal.PtrToStructure(m.LParam, typeof(NativeMethods.SCNotification));
if (scn.nmhdr.code >= NativeMethods.SCN_STYLENEEDED && scn.nmhdr.code <= NativeMethods.SCN_AUTOCCOMPLETED)
{
HandleScintillaMessage(scn.nmhdr.code, (char)scn.ch, (int)scn.position, scn.margin);
//var handler = Events[scNotificationEventKey] as EventHandler<SCNotificationEventArgs>;
//if (handler != null)
// handler(this, new SCNotificationEventArgs(scn));
//switch (scn.nmhdr.code)
//{
// //case NativeMethods.SCN_PAINTED:
// // OnPainted(EventArgs.Empty);
// // break;
// case NativeMethods.SCN_MODIFIED:
// //ScnModified(ref scn);
// break;
// //case NativeMethods.SCN_MODIFYATTEMPTRO:
// // OnModifyAttempt(EventArgs.Empty);
// // break;
// //case NativeMethods.SCN_STYLENEEDED:
// // OnStyleNeeded(new StyleNeededEventArgs(this, scn.position));
// // break;
// //case NativeMethods.SCN_SAVEPOINTLEFT:
// // OnSavePointLeft(EventArgs.Empty);
// // break;
// //case NativeMethods.SCN_SAVEPOINTREACHED:
// // OnSavePointReached(EventArgs.Empty);
// // break;
// case NativeMethods.SCN_MARGINCLICK:
// case NativeMethods.SCN_MARGINRIGHTCLICK:
// //ScnMarginClick(ref scn);
// break;
// //case NativeMethods.SCN_UPDATEUI:
// // OnUpdateUI(new UpdateUIEventArgs((UpdateChange)scn.updated));
// // break;
// case NativeMethods.SCN_CHARADDED:
// //OnCharAdded(new CharAddedEventArgs(scn.ch));
// break;
// //case NativeMethods.SCN_AUTOCSELECTION:
// // OnAutoCSelection(new AutoCSelectionEventArgs(this, scn.position, scn.text, scn.ch, (ListCompletionMethod)scn.listCompletionMethod));
// // break;
// //case NativeMethods.SCN_AUTOCCOMPLETED:
// // OnAutoCCompleted(new AutoCSelectionEventArgs(this, scn.position, scn.text, scn.ch, (ListCompletionMethod)scn.listCompletionMethod));
// // break;
// //case NativeMethods.SCN_AUTOCCANCELLED:
// // OnAutoCCancelled(EventArgs.Empty);
// // break;
// //case NativeMethods.SCN_AUTOCCHARDELETED:
// // OnAutoCCharDeleted(EventArgs.Empty);
// // break;
// //case NativeMethods.SCN_DWELLSTART:
// // OnDwellStart(new DwellEventArgs(this, scn.position, scn.x, scn.y));
// // break;
// //case NativeMethods.SCN_DWELLEND:
// // OnDwellEnd(new DwellEventArgs(this, scn.position, scn.x, scn.y));
// // break;
// //case NativeMethods.SCN_DOUBLECLICK:
// // ScnDoubleClick(ref scn);
// // break;
// //case NativeMethods.SCN_NEEDSHOWN:
// // OnNeedShown(new NeedShownEventArgs(this, scn.position, scn.length));
// // break;
// //case NativeMethods.SCN_HOTSPOTCLICK:
// //case NativeMethods.SCN_HOTSPOTDOUBLECLICK:
// //case NativeMethods.SCN_HOTSPOTRELEASECLICK:
// // ScnHotspotClick(ref scn);
// // break;
// //case NativeMethods.SCN_INDICATORCLICK:
// //case NativeMethods.SCN_INDICATORRELEASE:
// // ScnIndicatorClick(ref scn);
// // break;
// //case NativeMethods.SCN_ZOOM:
// // OnZoomChanged(EventArgs.Empty);
// // break;
// default:
// // Not our notification
// base.WndProc(ref m);
// break;
//}
}
}
