Fork of LCD-Window which works with Enhanced TextLCD from Wim
Fork of LcdWindow by
Diff: terminal.cpp
- Revision:
- 0:ae5037e3d6e0
- Child:
- 1:65f72ed914fa
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/terminal.cpp Mon Nov 15 22:37:30 2010 +0000 @@ -0,0 +1,76 @@ +/* + * 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 +* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +* THE SOFTWARE. +*/ + +#include "terminal.h" +#include "string.h" + +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(); + } +} + +char* Terminal::createLine() +{ + char* text=new char[_width+1]; + memset(text,32,_width); + text[_width]=0; + return text; +} + +void Terminal::writeText(unsigned int line, unsigned int pos, 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::addText(char text[]) { + delete [] _lines[0]; + for (int i=0;i<_height-1;i++) { + _lines[i]=_lines[i+1]; + } + _lines[_height-1]=createLine(); + memset(_lines[_height-1],32,_width); + int min=strlen(text); + if (min>_width) + min=_width; + for (int i=0;i<min;i++) { + _lines[_height-1][i]=text[i]; // copy text into proper line + } + clear(); + for (int i=0;i<_height;i++) { + _window->writeText(i,0,_lines[i]); + } +} + +void Terminal::clear() { + _window->clear(); +}