Diff: terminal.cpp

Revision:

2:5ac5bab7daaf

Parent:

1:65f72ed914fa

Child:

3:e5d5e2fe4bf6

--- a/terminal.cpp	Tue Nov 16 20:49:18 2010 +0000
+++ b/terminal.cpp	Sat Nov 27 22:54:13 2010 +0000
@@ -1,17 +1,17 @@
 /*
  * mbed LCDWindow library
 * Copyright (c) 2010 Hendrik Lipka
-* 
+*
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
-* 
+*
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
-* 
+*
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -26,51 +26,60 @@
 
 Terminal::Terminal(Window* window) {
     _window=window;
-    _height=window->getHeight();
-    _width=window->getWidth();
-    _lines=new char*[_height];
-    for (int i=0;i<_height;i++) {
-        _lines[i]=createLine();
-    }
+    _columns=window->getColumns();
+    _rows=window->getRows();
+    _lineBuffer=new char*[_rows];
+    clear();
 }
 
-char* Terminal::createLine()
-{
-    char* text=new char[_width+1];
-    memset(text,32,_width);
-    text[_width]=0;
+char* Terminal::createLine() {
+    char* text=new char[_columns+1];
+    memset(text,32,_columns);
+    text[_columns]=0;
     return text;
 }
 
-void Terminal::writeText(const unsigned int line, const unsigned int pos, const char text[]) {
-    _window->writeText(line,pos,text);
-    int min=pos+strlen(text);
-    if (min>_width)
-        min=_width;
-    for (int i=pos;i<min;i++) {
-        _lines[line][i]=text[i-pos]; // copy text into proper line
+void Terminal::character(int column, int row, int c) {
+    if (column>_columns || row > _rows) {
+        return;
+    }
+    _lineBuffer[row][column]=c;
+    _window->character(column,row,c);
+
+}
+
+void Terminal::writeText(const unsigned int column, const unsigned int row, const char text[]) {
+    _window->writeText(column,row,text);
+    int min=column+strlen(text);
+    if (min>_columns)
+        min=_columns;
+    for (int i=column;i<min;i++) {
+        _lineBuffer[row][i]=text[i-column]; // copy text into proper line
     }
 }
 
 void Terminal::addText(const char text[]) {
-    delete [] _lines[0];
-    for (int i=0;i<_height-1;i++) {
-        _lines[i]=_lines[i+1];
+    delete [] _lineBuffer[0];
+    for (int i=0;i<_rows-1;i++) {
+        _lineBuffer[i]=_lineBuffer[i+1];
     }
-    _lines[_height-1]=createLine();
-    memset(_lines[_height-1],32,_width);
+    _lineBuffer[_rows-1]=createLine();
+    memset(_lineBuffer[_rows-1],32,_columns);
     int min=strlen(text);
-    if (min>_width)
-        min=_width;
+    if (min>_columns)
+        min=_columns;
     for (int i=0;i<min;i++) {
-        _lines[_height-1][i]=text[i]; // copy text into proper line
+        _lineBuffer[_rows-1][i]=text[i]; // copy text into proper line
     }
-    clear();
-    for (int i=0;i<_height;i++) {
-        _window->writeText(i,0,_lines[i]);
+    _window->clear();
+    for (int i=0;i<_rows;i++) {
+        _window->writeText(0,i,_lineBuffer[i]);
     }
 }
 
 void Terminal::clear() {
+    for (int i=0;i<_rows;i++) {
+        _lineBuffer[i]=createLine();
+    }
     _window->clear();
 }