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();
+}