mirror of
https://github.com/ksherlock/TwoTerm.git
synced 2024-12-22 07:30:40 +00:00
add TextPort, move size to textPort.
git-svn-id: svn://qnap.local/TwoTerm/trunk@1897 5590a31f-7b70-45f8-8c82-aa3a8e5f4507
This commit is contained in:
Kelvin Sherlock
parent
35918005de
commit
10ee324572
173
Screen.cpp
173
Screen.cpp
@ -13,17 +13,21 @@
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Screen::Screen(unsigned height, unsigned width)
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{
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_height = height;
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_width = width;
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_port.frame = iRect(0, 0, width, height);
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_port.rightMargin = TextPort::RMTruncate;
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_port.advanceCursor = true;
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_port.scroll = true;
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_flag = 0;
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_screen.resize(_height);
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_screen.resize(height);
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for (ScreenIterator iter = _screen.begin(); iter != _screen.end(); ++iter)
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{
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iter->resize(_width);
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iter->resize(width);
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}
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@ -45,8 +49,8 @@ iRect Screen::endUpdate()
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{
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int maxX = -1;
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int maxY = -1;
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int minX = _width;
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int minY = _height;
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int minX = width();
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int minY = height();
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if (_cursor != _updateCursor)
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@ -86,13 +90,13 @@ void Screen::clearFlagBit(uint8_t bit)
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void Screen::putc(uint8_t c, bool incrementX)
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{
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if (_cursor.x < _width)
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if (_cursor.x < width())
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{
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_updates.push_back(_cursor);
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_screen[_cursor.y][_cursor.x] = CharInfo(c, _flag);
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if (incrementX && _cursor.x < _width - 1) ++_cursor.x;
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if (incrementX && _cursor.x < width() - 1) ++_cursor.x;
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}
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}
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@ -102,10 +106,10 @@ void Screen::deletec()
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// move following character up
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// set final character to ' ' (retaining flags from previous char)
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if (_cursor.x >= _width) return;
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if (_cursor.x >= width()) return;
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_updates.push_back(_cursor);
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_updates.push_back(iPoint(_width - 1, _cursor.y));
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_updates.push_back(iPoint(width() - 1, _cursor.y));
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CharInfoIterator end = _screen[_cursor.y].end() - 1;
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@ -126,10 +130,10 @@ void Screen::insertc(uint8_t c)
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// insert character at cursor.
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// move following characters up (retaining flags).
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if (_cursor.x >= _width) return;
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if (_cursor.x >= width()) return;
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_updates.push_back(_cursor);
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_updates.push_back(iPoint(_width - 1, _cursor.y));
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_updates.push_back(iPoint(width() - 1, _cursor.y));
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CharInfoIterator end = _screen[_cursor.y].end() - 1;
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CharInfoIterator iter = _screen[_cursor.y].begin() + _cursor.x;
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@ -148,7 +152,7 @@ void Screen::tabTo(unsigned xPos)
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CharInfo clear(' ', _flag);
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CharInfoIterator iter;
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xPos = std::min(xPos, _width - 1);
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xPos = std::min(xPos, width() - 1);
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_updates.push_back(_cursor);
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@ -169,9 +173,9 @@ void Screen::setX(int x, bool clamp)
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if (clamp) _cursor.x = 0;
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return;
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}
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if (x >= _width)
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if (x >= width())
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{
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if (clamp) _cursor.x = _width - 1;
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if (clamp) _cursor.x = width() - 1;
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return;
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}
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@ -186,9 +190,9 @@ void Screen::setY(int y, bool clamp)
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if (clamp) _cursor.y = 0;
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return;
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}
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if (y >= _height)
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if (y >= height())
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{
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if (clamp) _cursor.y = _height - 1;
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if (clamp) _cursor.y = height() - 1;
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return;
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}
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@ -238,7 +242,7 @@ void Screen::erase(EraseRegion region)
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std::fill(screenIter->begin(), screenIter->end(), CharInfo(0,0));
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}
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_updates.push_back(iPoint(0,0));
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_updates.push_back(iPoint(_width - 1, _height - 1));
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_updates.push_back(iPoint(width() - 1, height() - 1));
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return;
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}
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@ -253,7 +257,7 @@ void Screen::erase(EraseRegion region)
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std::fill(screenIter->begin(), screenIter->end(), CharInfo(0,0));
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}
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_updates.push_back(iPoint(0,0));
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_updates.push_back(iPoint(_width - 1, _cursor.y));
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_updates.push_back(iPoint(width() - 1, _cursor.y));
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region = EraseLineBeforeCursor;
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}
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@ -266,7 +270,7 @@ void Screen::erase(EraseRegion region)
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std::fill(screenIter->begin(), screenIter->end(), CharInfo(0,0));
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}
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_updates.push_back(iPoint(0,_cursor.y + 1));
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_updates.push_back(iPoint(_width - 1, _height - 1));
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_updates.push_back(iPoint(width() - 1, height() - 1));
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region = EraseLineAfterCursor;
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}
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@ -278,7 +282,7 @@ void Screen::erase(EraseRegion region)
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std::fill(_screen[y].begin(), _screen[y].end(), CharInfo(0,0));
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_updates.push_back(iPoint(0, _cursor.y));
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_updates.push_back(iPoint(_width - 1, _cursor.y));
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_updates.push_back(iPoint(width() - 1, _cursor.y));
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return;
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}
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@ -300,7 +304,7 @@ void Screen::erase(EraseRegion region)
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std::fill(_screen[y].begin() + _cursor.x, _screen[y].end(), CharInfo(0,0));
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_updates.push_back(_cursor);
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_updates.push_back(iPoint(_width - 1, _cursor.y));
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_updates.push_back(iPoint(width() - 1, _cursor.y));
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}
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@ -317,7 +321,7 @@ void Screen::eraseLine()
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}
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_updates.push_back(_cursor);
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_updates.push_back(iPoint(_width - 1, _cursor.y));
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_updates.push_back(iPoint(width() - 1, _cursor.y));
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}
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void Screen::eraseScreen()
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{
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@ -325,7 +329,7 @@ void Screen::eraseScreen()
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eraseLine();
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if (_cursor.y == _height -1) return;
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if (_cursor.y == height() -1) return;
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for (ScreenIterator iter = _screen.begin() + _cursor.y; iter < _screen.end(); ++iter)
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{
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@ -337,15 +341,15 @@ void Screen::eraseScreen()
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}
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_updates.push_back(iPoint(0, _cursor.y + 1));
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_updates.push_back(iPoint(_width - 1, _height - 1));
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_updates.push_back(iPoint(width() - 1, height() - 1));
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}
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void Screen::eraseRect(iRect rect)
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{
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unsigned maxX = std::min(_width, (unsigned)rect.maxX());
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unsigned maxY = std::min(_height, (unsigned)rect.maxY());
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unsigned maxX = std::min(width(), (unsigned)rect.maxX());
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unsigned maxY = std::min(height(), (unsigned)rect.maxY());
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CharInfo clear;
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@ -367,29 +371,9 @@ void Screen::lineFeed()
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{
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// moves the screen up one row, inserting a blank line at the bottom.
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if (_cursor.y == _height - 1)
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{
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/*
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// move lines 1..end up 1 line.
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for (ScreenIterator iter = _screen.begin() + 1; iter < _screen.end(); ++iter)
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{
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iter[-1] = *iter;
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}
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// reset the bottom line
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//_screen.back().clear();
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//_screen.back().resize(_width);
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for (CharInfoIterator ciIter = _screen.back().begin(); ciIter < _screen.back().end(); ++ciIter)
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{
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*ciIter = CharInfo(0, 0);
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}
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_updates.push_back(iPoint(0, 0));
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_updates.push_back(iPoint(_width - 1, _height - 1));
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*/
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removeLine(0);
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if (_cursor.y == height() - 1)
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{
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deleteLine(0);
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}
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else
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{
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@ -397,6 +381,31 @@ void Screen::lineFeed()
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}
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}
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void Screen::lineFeed(TextPort *textPort)
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{
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int maxY;
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if (!textPort)
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{
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lineFeed();
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return;
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}
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maxY = textPort->frame.maxY();
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maxY = std::min(maxY, (int)height());
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if (_cursor.y < maxY)
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{
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_cursor.y++;
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}
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else if (textPort->scroll)
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{
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_cursor.y++;
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}
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}
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void Screen::reverseLineFeed()
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{
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@ -404,26 +413,7 @@ void Screen::reverseLineFeed()
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if (_cursor.y == 0)
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{
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/*
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for (ReverseScreenIterator iter = _screen.rbegin() + 1; iter < _screen.rend(); ++iter)
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{
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iter[-1] = *iter;
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}
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// reset the top line
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//_screen.front().clear();
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//_screen.front().resize(_width);
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for (CharInfoIterator ciIter = _screen.front().begin(); ciIter < _screen.front().end(); ++ciIter)
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{
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*ciIter = CharInfo(0, 0);
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}
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_updates.push_back(iPoint(0, 0));
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_updates.push_back(iPoint(_width - 1, _height - 1));
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*/
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addLine(0);
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insertLine(0);
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}
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else
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{
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@ -434,15 +424,15 @@ void Screen::reverseLineFeed()
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void Screen::addLine(unsigned line)
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void Screen::insertLine(unsigned line)
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{
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if (line >= _height) return;
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if (line >= height()) return;
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if (line == _height - 1)
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if (line == height() - 1)
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{
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_screen.back().clear();
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_screen.back().resize(_width);
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_screen.back().resize(width());
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}
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else
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{
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@ -451,19 +441,19 @@ void Screen::addLine(unsigned line)
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_screen.pop_back();
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iter = _screen.insert(_screen.begin() + line, newLine);
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iter->resize(_width);
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iter->resize(width());
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}
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_updates.push_back(iPoint(0, line));
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_updates.push_back(iPoint(_width - 1, _height - 1));
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_updates.push_back(iPoint(width() - 1, height() - 1));
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}
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void Screen::removeLine(unsigned line)
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void Screen::deleteLine(unsigned line)
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{
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if (line >= _height) return;
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if (line >= height()) return;
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if (line == _height - 1)
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if (line == height() - 1)
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{
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_screen.back().clear();
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@ -477,11 +467,11 @@ void Screen::removeLine(unsigned line)
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_screen.push_back(newLine);
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}
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_screen.back().resize(_width);
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_screen.back().resize(width());
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_updates.push_back(iPoint(0, line));
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_updates.push_back(iPoint(_width - 1, _height - 1));
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_updates.push_back(iPoint(width() - 1, height() - 1));
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}
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@ -489,18 +479,18 @@ void Screen::removeLine(unsigned line)
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void Screen::setSize(unsigned width, unsigned height)
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void Screen::setSize(unsigned w, unsigned h)
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{
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if ((_height == height) && (_width == width)) return;
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if ((height() == h) && (width() == w)) return;
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if (_height < height)
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if (height() < h)
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{
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_screen.resize(height);
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_screen.resize(h);
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}
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else if (_height > height)
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else if (height() > h)
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{
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unsigned count = _height - height;
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unsigned count = height() - h;
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// erase lines from the top.
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_screen.erase(_screen.begin(), _screen.begin() + count);
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}
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@ -511,17 +501,16 @@ void Screen::setSize(unsigned width, unsigned height)
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ScreenIterator iter;
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for (iter = _screen.begin(); iter != _screen.end(); ++iter)
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{
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iter->resize(width);
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iter->resize(w);
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}
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}
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_height = height;
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_width = width;
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_port.frame.size = iSize(w, h);
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if (_cursor.y >= height) _cursor.y = height - 1;
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if (_cursor.x >= width) _cursor.x = width - 1;
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if (_cursor.y >= h) _cursor.y = h - 1;
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if (_cursor.x >= w) _cursor.x = w - 1;
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//fprintf(stderr, "setSize(%u, %u)\n", width, height);
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51
Screen.h
51
Screen.h
@ -28,27 +28,26 @@ typedef struct CharInfo {
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} CharInfo;
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typedef struct ViewPort {
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typedef struct TextPort {
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enum RightMargin {
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RMTruncate,
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RMWrap,
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RMOverwrite
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};
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iRect frame;
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RightMargin rightMargin;
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union flags
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{
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unsigned wrap:1;
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unsigned advance:1;
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unsigned lineFeed:1;
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unsigned scroll:1;
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flags()
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{
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wrap = 0;
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advance = 0;
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lineFeed = 0;
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scroll = 0;
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}
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} flags;
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bool advanceCursor;
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//bool lineFeed;
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bool scroll;
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};
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class Screen {
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@ -128,11 +127,15 @@ public:
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void lineFeed();
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void lineFeed(TextPort *textPort);
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void reverseLineFeed();
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void reverseLineFeed(TextPort *textPort);
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void addLine(unsigned line);
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void removeLine(unsigned line);
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void deleteLine(unsigned line);
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void insertLine(unsigned line);
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void beginUpdate();
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@ -150,8 +153,8 @@ private:
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iPoint _cursor;
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unsigned _height;
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unsigned _width;
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TextPort _port;
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uint8_t _flag;
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@ -195,12 +198,12 @@ inline uint8_t Screen::flag() const
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inline unsigned Screen::height() const
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{
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return _height;
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return _port.frame.size.height;
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}
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inline unsigned Screen::width() const
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{
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return _width;
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return _port.frame.size.width;
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}
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inline void Screen::setCursor(iPoint point, bool clampX, bool clampY)
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@ -230,7 +233,7 @@ inline void Screen::unlock()
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inline CharInfo Screen::getc(int x, int y) const
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{
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if (x < 0 || y < 0) return CharInfo(0,0);
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if (x >= _width || y >= _height) return CharInfo(0,0);
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if (x >= width() || y >= height()) return CharInfo(0,0);
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return _screen[y][x];
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}
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