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/*-------------------------------------------------------------------*/
/* */
/* Turbo Vision Demo */
/* */
/* Gadgets.cpp: Gadgets for the Turbo Vision Demo. Includes a */
/* heap view and a clock view which display the clock at the */
/* right end of the menu bar and the current heap space at */
/* the right end of the status line. */
/* */
/*-------------------------------------------------------------------*/
/*
* Turbo Vision - Version 2.0
*
* Copyright (c) 1994 by Borland International
* All Rights Reserved.
*
*/
/*
* Modified by Sergio Sigala <ssigala@globalnet.it>
* Modified to compile with gcc v3.x by Salvador E. Tropea, with the help of
* Andris Pavenis.
* Modified by Mike Gorchak <mike@malva.ua> to report free memory on QNX.
*/
#include <tv/configtv.h>
// SET: moved the standard headers before tv.h
#define Uses_string
#define Uses_stdlib
#define Uses_ctype
#define Uses_time
#define Uses_iomanip
#if defined(TVOSf_QNXRtP) || defined(TVOSf_QNX4)
#define Uses_stdio
#define Uses_sys_stat
#endif // TVOSf_QNXRtP
#define Uses_TRect
#define Uses_TView
#define Uses_TDrawBuffer
#include <tv.h>
#ifdef TVOSf_QNX4
#include <sys/osinfo.h>
#endif // TVOSf_QNX4
#include "gadgets.h"
//extern "C" unsigned long farcoreleft( void );
//
// ------------- Heap Viewer functions
//
THeapView::THeapView(TRect& r) : TView( r )
{
oldMem = 0;
newMem = heapSize();
/* SS: now resizing under X works well */
growMode = gfGrowLoX | gfGrowLoY | gfGrowHiX | gfGrowHiY;
}
void THeapView::draw()
{
TDrawBuffer buf;
char c = getColor(2);
buf.moveChar(0, ' ', c, (short)size.x);
buf.moveStr(0, heapStr, c);
writeLine(0, 0, (short)size.x, 1, buf);
}
void THeapView::update()
{
if( (newMem = heapSize()) != oldMem )
{
oldMem = newMem;
drawView();
}
}
long THeapView::heapSize()
{
#if defined(TVOSf_QNXRtP)
struct stat st;
long rval=0;
if (stat("/proc", &st)==0)
{
rval=st.st_size;
}
if (rval>1024UL*512UL) // one half megabyte !
{
if (rval>1024UL*1024UL*32UL) // if above 32Mb free
{
sprintf(heapStr, "%10dMb", rval/1024UL/1024UL);
}
else
{
sprintf(heapStr, "%10dKb", rval/1024UL);
}
}
else
{
sprintf(heapStr, "%12d", rval);
}
return rval;
#elif defined(TVOSf_QNX4)
_osinfo CurrInfo;
unsigned long rval;
qnx_osinfo(0, &CurrInfo);
rval=CurrInfo.freepmem;
if (rval>1024UL*512UL) // one half megabyte !
{
if (rval>1024UL*1024UL*32UL) // if above 32Mb free
{
sprintf(heapStr, "%10dMb", rval/1024UL/1024UL);
}
else
{
sprintf(heapStr, "%10dKb", rval/1024UL);
}
}
else
{
sprintf(heapStr, "%12d", rval);
}
return rval;
#else
/* SS: changed */
strcpy(heapStr, "Hello world!");
return -1;
#endif // TVOSf_QNXRtP
}
//
// -------------- Clock Viewer functions
//
TClockView::TClockView( TRect& r ) : TView( r )
{
strcpy(lastTime, " ");
strcpy(curTime, " ");
/* SS: now resizing under X works well */
growMode = gfGrowLoX | gfGrowHiX;
}
void TClockView::draw()
{
TDrawBuffer buf;
char c = getColor(2);
buf.moveChar(0, ' ', c, (short)size.x);
buf.moveStr(0, curTime, c);
writeLine(0, 0, (short)size.x, 1, buf);
}
void TClockView::update()
{
time_t t = time(0);
char *date = ctime(&t);
date[19] = '\0';
strcpy(curTime, &date[11]); /* Extract time. */
if( strcmp(lastTime, curTime) )
{
drawView();
strcpy(lastTime, curTime);
}
}
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