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git-svn-id: svn://qnap.local/TwoTerm/trunk@1662 5590a31f-7b70-45f8-8c82-aa3a8e5f4507

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This commit is contained in:
Kelvin Sherlock
2010-07-21 01:30:31 +00:00
parent a9b1a2772f
commit 9616e0ea39
8 changed files with 806 additions and 248 deletions
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85
Screen.cpp
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@@ -164,6 +164,91 @@ int Screen::decrementY(bool clamp)
}
void Screen::erase(EraseRegion region)
{
CharInfoIterator ciIter;
ScreenIterator screenIter;
if (region == EraseAll)
{
ScreenIterator end = _screen.end();
for (screenIter = _screen.begin(); screenIter < end; ++screenIter)
{
std::fill(screenIter->begin(), screenIter->end(), CharInfo(0,0));
}
_updates.push_back(iPoint(0,0));
_updates.push_back(iPoint(_width - 1, _height - 1));
return;
}
// TODO -- be smart and check if cursor is at x = 0 (or x = _width - 1)
if (region == EraseBeforeCursor)
{
ScreenIterator end = _screen.begin() + _cursor.y - 1;
for (screenIter = _screen.begin(); screenIter < end; ++screenIter)
{
std::fill(screenIter->begin(), screenIter->end(), CharInfo(0,0));
}
_updates.push_back(iPoint(0,0));
_updates.push_back(iPoint(_width - 1, _cursor.y));
region = EraseLineBeforeCursor;
}
if (region == EraseAfterCursor)
{
ScreenIterator end = _screen.end();
for (screenIter = _screen.begin() + _cursor.y + 1; screenIter < end; ++screenIter)
{
std::fill(screenIter->begin(), screenIter->end(), CharInfo(0,0));
}
_updates.push_back(iPoint(0,_cursor.y + 1));
_updates.push_back(iPoint(_width - 1, _height - 1));
region = EraseLineAfterCursor;
}
if (region == EraseLineAll)
{
int y = _cursor.y;
std::fill(_screen[y].begin(), _screen[y].end(), CharInfo(0,0));
_updates.push_back(iPoint(0, _cursor.y));
_updates.push_back(iPoint(_width - 1, _cursor.y));
return;
}
if (region == EraseLineBeforeCursor)
{
int y = _cursor.y;
std::fill(_screen[y].begin(), _screen[y].begin() + _cursor.x + 1, CharInfo(0,0));
_updates.push_back(iPoint(0, _cursor.y));
_updates.push_back(_cursor);
return;
}
if (region == EraseLineAfterCursor)
{
int y = _cursor.y;
std::fill(_screen[y].begin() + _cursor.x, _screen[y].end(), CharInfo(0,0));
_updates.push_back(_cursor);
_updates.push_back(iPoint(_width - 1, _cursor.y));
}
}
void Screen::eraseLine()
{
// erases everything to the right of, and including, the cursor