irrlicht/source/Irrlicht/COSOperator.cpp

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "COSOperator.h"
#ifdef _IRR_WINDOWS_API_
#ifndef _IRR_XBOX_PLATFORM_
#include <windows.h>
#endif
#else
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#ifdef _IRR_OSX_PLATFORM_
#include <sys/sysctl.h>
#endif
#endif
#if defined(_IRR_COMPILE_WITH_X11_DEVICE_)
#include "CIrrDeviceLinux.h"
#endif
#if defined(_IRR_COMPILE_WITH_OSX_DEVICE_)
#import <Cocoa/Cocoa.h>
#endif
#include "fast_atof.h"
namespace irr
{
#if defined(_IRR_COMPILE_WITH_X11_DEVICE_)
// constructor linux
COSOperator::COSOperator(const core::stringc& osVersion, CIrrDeviceLinux* device)
: OperatingSystem(osVersion), IrrDeviceLinux(device)
{
}
#endif
// constructor
COSOperator::COSOperator(const core::stringc& osVersion) : OperatingSystem(osVersion)
{
#ifdef _DEBUG
setDebugName("COSOperator");
#endif
}
//! returns the current operating system version as string.
const core::stringc& COSOperator::getOperatingSystemVersion() const
{
return OperatingSystem;
}
//! copies text to the clipboard
void COSOperator::copyToClipboard(const c8* text) const
{
if (strlen(text)==0)
return;
// Windows version
#if defined(_IRR_XBOX_PLATFORM_)
#elif defined(_IRR_WINDOWS_API_)
if (!OpenClipboard(NULL) || text == 0)
return;
EmptyClipboard();
HGLOBAL clipbuffer;
char * buffer;
clipbuffer = GlobalAlloc(GMEM_DDESHARE, strlen(text)+1);
if ( clipbuffer )
{
buffer = (char*)GlobalLock(clipbuffer);
if ( buffer )
{
strcpy(buffer, text);
}
GlobalUnlock(clipbuffer);
SetClipboardData(CF_TEXT, clipbuffer);
}
CloseClipboard();
#elif defined(_IRR_COMPILE_WITH_OSX_DEVICE_)
NSString *str = nil;
NSPasteboard *board = nil;
if ((text != NULL) && (strlen(text) > 0))
{
str = [NSString stringWithCString:text encoding:NSWindowsCP1252StringEncoding];
board = [NSPasteboard generalPasteboard];
[board declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:NSApp];
[board setString:str forType:NSStringPboardType];
}
#elif defined(_IRR_COMPILE_WITH_X11_DEVICE_)
if ( IrrDeviceLinux )
IrrDeviceLinux->copyToClipboard(text);
#else
#endif
}
//! gets text from the clipboard
//! \return Returns 0 if no string is in there.
const c8* COSOperator::getTextFromClipboard() const
{
#if defined(_IRR_XBOX_PLATFORM_)
return 0;
#elif defined(_IRR_WINDOWS_API_)
if (!OpenClipboard(NULL))
return 0;
char * buffer = 0;
HANDLE hData = GetClipboardData( CF_TEXT );
buffer = (char*)GlobalLock( hData );
GlobalUnlock( hData );
CloseClipboard();
return buffer;
#elif defined(_IRR_COMPILE_WITH_OSX_DEVICE_)
NSString* str = nil;
NSPasteboard* board = nil;
char* result = 0;
board = [NSPasteboard generalPasteboard];
str = [board stringForType:NSStringPboardType];
if (str != nil)
result = (char*)[str cStringUsingEncoding:NSWindowsCP1252StringEncoding];
return (result);
#elif defined(_IRR_COMPILE_WITH_X11_DEVICE_)
if ( IrrDeviceLinux )
return IrrDeviceLinux->getTextFromClipboard();
return 0;
#else
return 0;
#endif
}
bool COSOperator::getProcessorSpeedMHz(u32* MHz) const
{
if (MHz)
*MHz=0;
#if defined(_IRR_WINDOWS_API_) && !defined(_WIN32_WCE ) && !defined (_IRR_XBOX_PLATFORM_)
LONG Error;
HKEY Key;
Error = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
__TEXT("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0"),
0, KEY_READ, &Key);
if(Error != ERROR_SUCCESS)
return false;
DWORD Speed = 0;
DWORD Size = sizeof(Speed);
Error = RegQueryValueEx(Key, __TEXT("~MHz"), NULL, NULL, (LPBYTE)&Speed, &Size);
RegCloseKey(Key);
if (Error != ERROR_SUCCESS)
return false;
else if (MHz)
*MHz = Speed;
return true;
#elif defined(_IRR_OSX_PLATFORM_)
struct clockinfo CpuClock;
size_t Size = sizeof(clockinfo);
if (!sysctlbyname("kern.clockrate", &CpuClock, &Size, NULL, 0))
return false;
else if (MHz)
*MHz = CpuClock.hz;
return true;
#else
// read from "/proc/cpuinfo"
FILE* file = fopen("/proc/cpuinfo", "r");
if (file)
{
char buffer[1024];
size_t r = fread(buffer, 1, 1023, file);
buffer[r] = 0;
buffer[1023]=0;
core::stringc str(buffer);
s32 pos = str.find("cpu MHz");
if (pos != -1)
{
pos = str.findNext(':', pos);
if (pos != -1)
{
while ( str[++pos] == ' ' );
*MHz = core::fast_atof(str.c_str()+pos);
}
}
fclose(file);
}
return (MHz && *MHz != 0);
#endif
}
bool COSOperator::getSystemMemory(u32* Total, u32* Avail) const
{
#if defined(_IRR_WINDOWS_API_) && !defined (_IRR_XBOX_PLATFORM_)
#if (_WIN32_WINNT >= 0x0500)
MEMORYSTATUSEX MemoryStatusEx;
MemoryStatusEx.dwLength = sizeof(MEMORYSTATUSEX);
// cannot fail
GlobalMemoryStatusEx(&MemoryStatusEx);
if (Total)
*Total = (u32)(MemoryStatusEx.ullTotalPhys>>10);
if (Avail)
*Avail = (u32)(MemoryStatusEx.ullAvailPhys>>10);
return true;
#else
MEMORYSTATUS MemoryStatus;
MemoryStatus.dwLength = sizeof(MEMORYSTATUS);
// cannot fail
GlobalMemoryStatus(&MemoryStatus);
if (Total)
*Total = (u32)(MemoryStatus.dwTotalPhys>>10);
if (Avail)
*Avail = (u32)(MemoryStatus.dwAvailPhys>>10);
return true;
#endif
#elif defined(_IRR_POSIX_API_) && defined(_SC_PHYS_PAGES) && defined(_SC_AVPHYS_PAGES)
long ps = sysconf(_SC_PAGESIZE);
long pp = sysconf(_SC_PHYS_PAGES);
long ap = sysconf(_SC_AVPHYS_PAGES);
if (ps == -1 || (Total && pp == -1) || (Avail && ap == -1))
return false;
if (Total)
*Total = (u32)((pp>>10)*ps);
if (Avail)
*Avail = (u32)((ap>>10)*ps);
return true;
#elif defined(_IRR_OSX_PLATFORM_)
int mib[2];
int64_t physical_memory;
size_t length;
// Get the Physical memory size
mib[0] = CTL_HW;
mib[1] = HW_MEMSIZE;
length = sizeof(int64_t);
sysctl(mib, 2, &physical_memory, &length, NULL, 0);
if (Total)
*Total = (u32)(physical_memory>>10);
if (Avail)
*Avail = (u32)(physical_memory>>10); // we don't know better
return true;
#else
// TODO: implement for others
return false;
#endif
}
} // end namespace