From 613e8319b488d2cbeb4125193294d09174ddab18 Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Sun, 16 Jan 2011 23:04:53 +0000
Subject: [PATCH] add back pre-textport methods.

git-svn-id: svn://qnap.local/TwoTerm/trunk@1994 5590a31f-7b70-45f8-8c82-aa3a8e5f4507
---
 cpp/Screen_obsolete.cpp | 141 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 140 insertions(+), 1 deletion(-)

diff --git a/cpp/Screen_obsolete.cpp b/cpp/Screen_obsolete.cpp
index 3967d18..d4dcf7d 100644
--- a/cpp/Screen_obsolete.cpp
+++ b/cpp/Screen_obsolete.cpp
@@ -1,5 +1,5 @@
 //
-//  Screen_Texport.cpp
+//  Screen_obsolete.cpp
 //  2Term
 //
 //  Created by Kelvin Sherlock on 1/11/2011.
@@ -7,3 +7,142 @@
 //
 
 #include "Screen.h"
+
+void Screen::setX(int x, bool clamp)
+{
+    if (x < 0)
+    {
+        if (clamp) _port.cursor.x = 0;
+        return;
+    }
+    if (x >= width())
+    {
+        if (clamp) _port.cursor.x = width() - 1;
+        return;
+    }
+    
+    _port.cursor.x = x;
+}
+
+
+void Screen::setY(int y, bool clamp)
+{
+    if (y < 0)
+    {
+        if (clamp) _port.cursor.y = 0;
+        return;
+    }
+    if (y >= height())
+    {
+        if (clamp) _port.cursor.y = height() - 1;
+        return;
+    }
+    
+    _port.cursor.y = y;
+}
+
+int Screen::incrementX(bool clamp)
+{
+    setX(_port.cursor.x + 1, clamp);
+    return _port.cursor.x;
+}
+
+int Screen::decrementX(bool clamp)
+{
+    setX(_port.cursor.x - 1, clamp);
+    return _port.cursor.x;
+}
+
+int Screen::incrementY(bool clamp)
+{
+    setY(_port.cursor.y + 1, clamp);
+    return _port.cursor.y;
+}
+
+int Screen::decrementY(bool clamp)
+{
+    setY(_port.cursor.y - 1, clamp);
+    return _port.cursor.y;
+}
+
+void Screen::tabTo(unsigned xPos)
+{
+    CharInfo clear(' ', _flag);
+    CharInfoIterator iter;
+    
+    xPos = std::min((int)xPos, width() - 1);
+    
+    
+    _updates.push_back(_port.cursor);
+    _updates.push_back(iPoint(xPos, _port.cursor.y));
+    
+    for (unsigned x = _port.cursor.x; x < xPos; ++x)
+    {
+        _screen[_port.cursor.y][x] = clear;
+    }
+    _port.cursor.x = xPos;
+}
+
+
+
+
+void Screen::putc(uint8_t c, bool incrementX)
+{
+    if (_port.cursor.x < width())
+    {
+        _updates.push_back(_port.cursor);
+        
+        _screen[_port.cursor.y][_port.cursor.x] = CharInfo(c, _flag);
+        
+        if (incrementX && _port.cursor.x < width() - 1) ++_port.cursor.x;
+    }    
+}
+
+
+
+void Screen::deletec()
+{
+    // delete character at cursor.
+    // move following character up
+    // set final character to ' ' (retaining flags from previous char)
+    
+    if (_port.cursor.x >= width()) return;
+    
+    _updates.push_back(_port.cursor);
+    _updates.push_back(iPoint(width() - 1, _port.cursor.y));
+    
+    
+    CharInfoIterator end = _screen[_port.cursor.y].end() - 1;
+    CharInfoIterator iter = _screen[_port.cursor.y].begin() + _port.cursor.x;
+    
+    
+    for ( ; iter != end; ++iter)
+    {
+        iter[0] = iter[1];
+        
+    }
+    // retain the flags previously there.
+    end->c = ' ';
+}
+
+
+void Screen::insertc(uint8_t c)
+{
+    // insert character at cursor.
+    // move following characters up (retaining flags).
+    
+    if (_port.cursor.x >= width()) return;
+    
+    _updates.push_back(_port.cursor);
+    _updates.push_back(iPoint(width() - 1, _port.cursor.y));
+    
+    CharInfoIterator end = _screen[_port.cursor.y].end() - 1;
+    CharInfoIterator iter = _screen[_port.cursor.y].begin() + _port.cursor.x;
+    
+    for ( ; iter != end; ++iter)
+    {
+        iter[1] = iter[0];
+    }
+    
+    iter->c = ' ';
+}