internal void ScrollDown(int from, int to)
{
GLine top = FindLineOrEdge(from);
GLine bottom = FindLineOrEdge(to);
int top_id = top.ID;
GLine newtop = top.NextLine;
if (from == to)
{
_currentLine = top;
_currentLine.Clear();
}
else
{
Remove(top); //_topLineの調整は必要ならここで行われる
_currentLine = new GLine(_width);
InsertAfter(bottom, _currentLine);
//id maintainance
GLine c = newtop;
GLine end = _currentLine.NextLine;
while (c != end)
{
c.ID = top_id++;
c = c.NextLine;
}
}
_invalidatedRegion.InvalidatedAll = true;
}
public CommandResult ClearScreen()
{
ConnectionTag tag = GEnv.Connections.FindTag(_connection);
TerminalDocument doc = tag.Document;
lock (doc) {
GLine l = doc.TopLine;
int top_id = l.ID;
int limit = l.ID + _connection.TerminalHeight;
while (l != null && l.ID < limit)
{
l.Clear();
l = l.NextLine;
}
doc.CurrentLineNumber = top_id;
doc.CaretColumn = 0;
doc.InvalidateAll();
if (tag.Pane != null)
{
GEnv.TextSelection.Clear();
tag.Pane.Invalidate();
}
}
return(CommandResult.Success);
}
private static CommandResult CmdClearScreen(ICommandTarget target)
{
TerminalDocument doc = TerminalCommandTarget.AsTerminalDocument(target);
if (doc == null)
{
return(CommandResult.Ignored);
}
TerminalControl tc = TerminalCommandTarget.AsTerminalControl(target);
lock (doc) {
GLine l = doc.TopLine;
int top_id = l.ID;
int limit = l.ID + doc.TerminalHeight;
while (l != null && l.ID < limit)
{
l.Clear();
l = l.NextLine;
}
doc.CurrentLineNumber = top_id;
doc.CaretColumn = 0;
doc.InvalidatedRegion.InvalidatedAll = true;
if (tc != null)
{
tc.ITextSelection.Clear();
tc.Invalidate();
}
}
return(CommandResult.Succeeded);
}
internal void ScrollUp(int from, int to)
{
GLine removePoint = FindLineOrEdge(from);
GLine insertPoint = FindLineOrEdge(to);
if (removePoint == null || insertPoint == null)
{
return; //エラーハンドリングはFindLineの中で。ここではクラッシュ回避だけを行う
}
int bottom_id = insertPoint.ID;
int topline_id = _topLine.ID;
GLine nextbottom = insertPoint.NextLine;
// 2015-03-11 KM bugfix
// if(from==to) で比較していたのを if(removePoint==insertPoint) に変更。
// from==to だと FindLineOrEdge でずれて removePoint==insertPoint になった時に
// 駄目な状態になる。
if (removePoint == insertPoint)
{
_currentLine = insertPoint;
_currentLine.Clear();
}
else
{
Remove(insertPoint);
_currentLine = new GLine(_width);
InsertBefore(removePoint, _currentLine);
GLine c = _currentLine;
do
{
c.ID = from++;
c = c.NextLine;
} while(c != nextbottom);
Debug.Assert(nextbottom == null || nextbottom.ID == from);
}
/*
* //id maintainance
* GLine c = newbottom;
* GLine end = _currentLine.PrevLine;
* while(c != end) {
* c.ID = bottom_id--;
* c = c.PrevLine;
* }
*/
//!!次の２行はxtermをやっている間に発見して修正。 VT100では何かの必要があってこうなったはずなので後で調べること
//if(_scrollingTop<=_topLine.ID && _topLine.ID<=_scrollingBottom)
// _topLine = _currentLine;
while (topline_id < _topLine.ID)
{
_topLine = _topLine.PrevLine;
}
_invalidatedRegion.InvalidatedAll = true;
}
internal void ScrollUp(int from, int to)
{
GLine top = FindLineOrEdge(from);
GLine bottom = FindLineOrEdge(to);
if (top == null || bottom == null)
{
return; //エラーハンドリングはFindLineの中で。ここではクラッシュ回避だけを行う
}
int bottom_id = bottom.ID;
int topline_id = _topLine.ID;
GLine nextbottom = bottom.NextLine;
if (from == to)
{
_currentLine = top;
_currentLine.Clear();
}
else
{
Remove(bottom);
_currentLine = new GLine(_width);
InsertBefore(top, _currentLine);
GLine c = _currentLine;
do
{
c.ID = from++;
c = c.NextLine;
} while (c != nextbottom);
Debug.Assert(nextbottom == null || nextbottom.ID == from);
}
/*
* //id maintainance
* GLine c = newbottom;
* GLine end = _currentLine.PrevLine;
* while(c != end) {
* c.ID = bottom_id--;
* c = c.PrevLine;
* }
*/
//!!次の２行はxtermをやっている間に発見して修正。 VT100では何かの必要があってこうなったはずなので後で調べること
//if(_scrollingTop<=_topLine.ID && _topLine.ID<=_scrollingBottom)
// _topLine = _currentLine;
while (topline_id < _topLine.ID)
{
_topLine = _topLine.PrevLine;
}
_invalidatedRegion.InvalidatedAll = true;
}
internal void ScrollDown(int from, int to)
{
GLine removePoint = FindLineOrEdge(from);
GLine insertPoint = FindLineOrEdge(to);
int top_id = removePoint.ID;
GLine newtop = removePoint.NextLine;
// 2015-03-11 KM bugfix
// if(from==to) で比較していたのを if(removePoint==insertPoint) に変更。
// from==to だと FindLineOrEdge でずれて removePoint==insertPoint になった時に
// 駄目な状態になる。
if (removePoint == insertPoint)
{
_currentLine = removePoint;
_currentLine.Clear();
}
else
{
bool removed = Remove(removePoint); //_topLineの調整は必要ならここで行われる
_currentLine = new GLine(_width);
InsertAfter(insertPoint, _currentLine);
//id maintainance
if (removed)
{
GLine c = newtop;
GLine end = _currentLine.NextLine;
while (c != end)
{
c.ID = top_id++;
c = c.NextLine;
}
}
else
{
GLine line = _currentLine;
GLine lineM = _lastLine;
for (;;)
{
line.ID = line.PrevLine.ID + 1;
if (line == lineM)
{
break;
}
line = line.NextLine;
}
_scrollingTop++;
_scrollingBottom++;
}
}
_invalidatedRegion.InvalidatedAll = true;
}
public void ClearRange(int from, int to, TextDecoration dec)
{
GLine l = FindLineOrNullClipTop(from);
if (l == null)
{
return;
}
while (l != null && l.ID < to)
{
l.Clear(dec);
_invalidatedRegion.InvalidateLine(l.ID);
l = l.NextLine;
}
}
public void ClearAfter(int from, TextDecoration dec)
{
GLine l = FindLineOrNullClipTop(from);
if (l == null)
{
return;
}
while (l != null)
{
l.Clear(dec);
l = l.NextLine;
}
_invalidatedRegion.InvalidatedAll = true;
}