Files
wxWidgets/src/os2/utils.cpp
1999-11-02 14:42:09 +00:00

773 lines
21 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: utils.cpp
// Purpose: Various utilities
// Author: David Webster
// Modified by:
// Created: 09/17/99
// RCS-ID: $Id$
// Copyright: (c) David Webster
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/setup.h"
#include "wx/utils.h"
#include "wx/app.h"
#include "wx/cursor.h"
#endif //WX_PRECOMP
#include "wx/os2/private.h"
#include "wx/timer.h"
#include "wx/intl.h"
#include <ctype.h>
#include <direct.h>
#include "wx/log.h"
#include <io.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <stdarg.h>
#define INCL_DOS
#define INCL_PM
#define INCL_GPI
#include <os2.h>
#include<netdb.h>
#define PURE_32
#include <upm.h>
#include <netcons.h>
#include <netbios.h>
static const wxChar WX_SECTION[] = _T("wxWindows");
static const wxChar eHOSTNAME[] = _T("HostName");
static const wxChar eUSERID[] = _T("UserId");
static const wxChar eUSERNAME[] = _T("UserName");
// For the following functions we SHOULD fill in support
// for Windows-NT (which I don't know) as I assume it begin
// a POSIX Unix (so claims MS) that it has some special
// functions beyond those provided by WinSock
// Get full hostname (eg. DoDo.BSn-Germany.crg.de)
bool wxGetHostName(
wxChar* zBuf
, int nMaxSize
)
{
#if wxUSE_NET_API
char zServer[256];
char zComputer[256];
unsigned long ulLevel = 0;
unsigned char* zBuffer;
unsigned long ulBuffer;
unsigned long* pulTotalAvail;
NetBios32GetInfo( (const unsigned char*)zServer
,(const unsigned char*)zComputer
,ulLevel
,zBuffer
,ulBuffer
,pulTotalAvail
);
strcpy(zBuf, zServer);
#else
wxChar* zSysname;
const wxChar* zDefaultHost = _T("noname");
if ((zSysname = wxGetenv(_T("SYSTEM_NAME"))) == NULL)
{
ULONG n = ::PrfQueryProfileString( HINI_PROFILE
,(PSZ)WX_SECTION
,(PSZ)eHOSTNAME
,(PSZ)zDefaultHost
,(void*)zBuf
,(ULONG)nMaxSize - 1
);
}
else
wxStrncpy(zBuf, zSysname, nMaxSize - 1);
zBuf[nMaxSize] = _T('\0');
#endif
return *zBuf ? TRUE : FALSE;
}
// Get user ID e.g. jacs
bool wxGetUserId(
wxChar* zBuf
, int nType
)
{
long lrc;
// UPM procs return 0 on success
lrc = U32ELOCU((unsigned char*)zBuf, (unsigned long *)&nType);
if (lrc == 0) return TRUE;
return FALSE;
}
bool wxGetUserName(
wxChar* zBuf
, int nMaxSize
)
{
#ifdef USE_NET_API
wxGetUserId( zBuf
,nMaxSize
);
#else
wxStrncpy(zBuf, _T("Unknown User"), nMaxSize);
#endif
return TRUE;
}
int wxKill(
long lPid
, int nSig
)
{
return((int)::DosKillProcess(0, (PID)lPid));
}
//
// Execute a program in an Interactive Shell
//
bool wxShell(
const wxString& rCommand
)
{
wxChar* zShell = _T("CMD.EXE");
wxString sInputs;
wxChar zTmp[255];
STARTDATA SData = {0};
PSZ PgmTitle = "Command Shell";
APIRET rc;
PID vPid = 0;
ULONG ulSessID = 0;
UCHAR achObjBuf[256] = {0}; //error data if DosStart fails
RESULTCODES vResult;
SData.Length = sizeof(STARTDATA);
SData.Related = SSF_RELATED_INDEPENDENT;
SData.FgBg = SSF_FGBG_FORE;
SData.TraceOpt = SSF_TRACEOPT_NONE;
SData.PgmTitle = PgmTitle;
SData.PgmName = zShell;
sInputs = "/C " + rCommand;
SData.PgmInputs = NULL; //(BYTE*)sInputs.c_str();
SData.TermQ = 0;
SData.Environment = 0;
SData.InheritOpt = SSF_INHERTOPT_SHELL;
SData.SessionType = SSF_TYPE_WINDOWABLEVIO;
SData.IconFile = 0;
SData.PgmHandle = 0;
SData.PgmControl = SSF_CONTROL_VISIBLE | SSF_CONTROL_MAXIMIZE;
SData.InitXPos = 30;
SData.InitYPos = 40;
SData.InitXSize = 200;
SData.InitYSize = 140;
SData.Reserved = 0;
SData.ObjectBuffer = (char*)achObjBuf;
SData.ObjectBuffLen = (ULONG)sizeof(achObjBuf);
rc = ::DosStartSession(&SData, &ulSessID, &vPid);
if (rc == 0)
{
PTIB ptib;
PPIB ppib;
::DosGetInfoBlocks(&ptib, &ppib);
::DosWaitChild( DCWA_PROCESS
,DCWW_WAIT
,&vResult
,&ppib->pib_ulpid
,vPid
);
}
return (rc != 0);
}
// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
long wxGetFreeMemory(
void* pMemptr
)
{
ULONG lSize;
ULONG lMemFlags;
APIRET rc;
lMemFlags = PAG_FREE;
rc = ::DosQueryMem(pMemptr, &lSize, &lMemFlags);
if (rc != 0)
return -1L;
return (long)lSize;
}
// Sleep for nSecs seconds. Attempt a Windows implementation using timers.
static bool inTimer = FALSE;
class wxSleepTimer: public wxTimer
{
public:
inline void Notify()
{
inTimer = FALSE;
Stop();
}
};
static wxTimer* wxTheSleepTimer = NULL;
void wxUsleep(
unsigned long ulMilliseconds
)
{
::DosSleep(ulMilliseconds);
}
void wxSleep(
int nSecs
)
{
::DosSleep(1000 * nSecs);
}
// Consume all events until no more left
void wxFlushEvents()
{
// wxYield();
}
// Output a debug mess., in a system dependent fashion.
void wxDebugMsg(
const wxChar* zFmt ...
)
{
va_list vAp;
static wxChar zBuffer[512];
if (!wxTheApp->GetWantDebugOutput())
return ;
va_start(vAp, zFmt);
sprintf(zBuffer, zFmt, vAp) ;
va_end(vAp);
}
// Non-fatal error: pop up message box and (possibly) continue
void wxError(
const wxString& rMsg
, const wxString& rTitle
)
{
wxSprintf(wxBuffer, "%s\nContinue?", WXSTRINGCAST rMsg);
if (::WinMessageBox( HWND_DESKTOP
,NULL
,(PSZ)wxBuffer
,(PSZ)WXSTRINGCAST rTitle
,0
,MB_ICONEXCLAMATION | MB_YESNO
) == MBID_YES)
wxExit();
}
// Fatal error: pop up message box and abort
void wxFatalError(
const wxString& rMsg
, const wxString& rTitle
)
{
unsigned long ulRc;
ulRc = ::WinMessageBox( HWND_DESKTOP
,NULL
,WXSTRINGCAST rMsg
,WXSTRINGCAST rTitle
,0
,MB_NOICON | MB_OK
);
DosExit(EXIT_PROCESS, ulRc);
}
// Emit a beeeeeep
void wxBell()
{
DosBeep(1000,1000); // 1kHz during 1 sec.
}
// Chris Breeze 27/5/98: revised WIN32 code to
// detect WindowsNT correctly
int wxGetOsVersion(
int* pMajorVsn
, int* pMinorVsn
)
{
ULONG ulSysInfo[QSV_MAX] = {0};
if (::DosQuerySysInfo( 1L
,QSV_MAX
,(PVOID)ulSysInfo
,sizeof(ULONG) * QSV_MAX
))
{
*pMajorVsn = ulSysInfo[QSV_VERSION_MAJOR];
*pMinorVsn = ulSysInfo[QSV_VERSION_MINOR];
return wxWINDOWS_OS2;
}
return wxWINDOWS; // error if we get here, return generic value
}
// Reading and writing resources (eg WIN.INI, .Xdefaults)
#if wxUSE_RESOURCES
bool wxWriteResource(
const wxString& rSection
, const wxString& rEntry
, const wxString& rValue
, const wxString& rFile
)
{
HAB hab;
HINI hIni;
if (rFile != "")
{
hIni = ::PrfOpenProfile(hab, (PSZ)WXSTRINGCAST rFile);
if (hIni != 0L)
{
return (::PrfWriteProfileString( hIni
,(PSZ)WXSTRINGCAST rSection
,(PSZ)WXSTRINGCAST rEntry
,(PSZ)WXSTRINGCAST rValue
));
}
}
else
return (::PrfWriteProfileString( HINI_PROFILE
,(PSZ)WXSTRINGCAST rSection
,(PSZ)WXSTRINGCAST rEntry
,(PSZ)WXSTRINGCAST rValue
));
return FALSE;
}
bool wxWriteResource(
const wxString& rSection
, const wxString& rEntry
, float fValue
, const wxString& rFile
)
{
wxChar zBuf[50];
wxSprintf(zBuf, "%.4f", fValue);
return wxWriteResource( rSection
,rEntry
,zBuf
,rFile
);
}
bool wxWriteResource(
const wxString& rSection
, const wxString& rEntry
, long lValue
, const wxString& rFile
)
{
wxChar zBuf[50];
wxSprintf(zBuf, "%ld", lValue);
return wxWriteResource( rSection
,rEntry
,zBuf
,rFile
);
}
bool wxWriteResource(
const wxString& rSection
, const wxString& rEntry
, int lValue
, const wxString& rFile
)
{
wxChar zBuf[50];
wxSprintf(zBuf, "%d", lValue);
return wxWriteResource( rSection
,rEntry
,zBuf
,rFile
);
}
bool wxGetResource(
const wxString& rSection
, const wxString& rEntry
, wxChar** ppValue
, const wxString& rFile
)
{
HAB hab;
HINI hIni;
static const wxChar zDefunkt[] = _T("$$default");
if (rFile != "")
{
hIni = ::PrfOpenProfile(hab, (PSZ)WXSTRINGCAST rFile);
if (hIni != 0L)
{
ULONG n = ::PrfQueryProfileString( hIni
,(PSZ)WXSTRINGCAST rSection
,(PSZ)WXSTRINGCAST rEntry
,(PSZ)zDefunkt
,(void*)wxBuffer
,1000
);
if (n == 0L || wxStrcmp(wxBuffer, zDefunkt) == 0)
return FALSE;
}
else
return FALSE;
}
else
{
ULONG n = ::PrfQueryProfileString( HINI_PROFILE
,(PSZ)WXSTRINGCAST rSection
,(PSZ)WXSTRINGCAST rEntry
,(PSZ)zDefunkt
,(void*)wxBuffer
,1000
);
if (n == 0L || wxStrcmp(wxBuffer, zDefunkt) == 0)
return FALSE;
}
if (*ppValue)
delete[] (*ppValue);
*ppValue = copystring(wxBuffer);
return TRUE;
}
bool wxGetResource(
const wxString& rSection
, const wxString& rEntry
, float* pValue
, const wxString& rFile
)
{
wxChar* zStr = NULL;
bool bSucc = wxGetResource( rSection
,rEntry
,(wxChar **)&zStr
,rFile
);
if (bSucc)
{
*pValue = (float)wxStrtod(zStr, NULL);
delete[] zStr;
return TRUE;
}
else return FALSE;
}
bool wxGetResource(
const wxString& rSection
, const wxString& rEntry
, long* pValue
, const wxString& rFile
)
{
wxChar* zStr = NULL;
bool bSucc = wxGetResource( rSection
,rEntry
,(wxChar **)&zStr
,rFile
);
if (bSucc)
{
*pValue = wxStrtol(zStr, NULL, 10);
delete[] zStr;
return TRUE;
}
else return FALSE;
}
bool wxGetResource(
const wxString& rSection
, const wxString& rEntry
, int* pValue
, const wxString& rFile
)
{
wxChar* zStr = NULL;
bool bSucc = wxGetResource( rSection
,rEntry
,(wxChar **)&zStr
,rFile
);
if (bSucc)
{
*pValue = (int)wxStrtol(zStr, NULL, 10);
delete[] zStr;
return TRUE;
}
else return FALSE;
}
#endif // wxUSE_RESOURCES
// ---------------------------------------------------------------------------
// helper functions for showing a "busy" cursor
// ---------------------------------------------------------------------------
HCURSOR gs_wxBusyCursor = 0; // new, busy cursor
HCURSOR gs_wxBusyCursorOld = 0; // old cursor
static int gs_wxBusyCursorCount = 0;
// Set the cursor to the busy cursor for all windows
void wxBeginBusyCursor(
wxCursor* pCursor
)
{
if ( gs_wxBusyCursorCount++ == 0 )
{
gs_wxBusyCursor = (HCURSOR)pCursor->GetHCURSOR();
::WinSetPointer(HWND_DESKTOP, (HPOINTER)gs_wxBusyCursor);
}
//else: nothing to do, already set
}
// Restore cursor to normal
void wxEndBusyCursor()
{
wxCHECK_RET( gs_wxBusyCursorCount > 0
,_T("no matching wxBeginBusyCursor() for wxEndBusyCursor()")
);
if (--gs_wxBusyCursorCount == 0)
{
::WinSetPointer(HWND_DESKTOP, (HPOINTER)gs_wxBusyCursorOld);
gs_wxBusyCursorOld = 0;
}
}
// TRUE if we're between the above two calls
bool wxIsBusy()
{
return (gs_wxBusyCursorCount > 0);
}
// ---------------------------------------------------------------------------
const wxChar* wxGetHomeDir(
wxString* pStr
)
{
wxString& rStrDir = *pStr;
// OS/2 has no idea about home,
// so use the working directory instead?
// 256 was taken from os2def.h
#ifndef MAX_PATH
# define MAX_PATH 256
#endif
char zDirName[256];
ULONG ulDirLen;
::DosQueryCurrentDir(0, zDirName, &ulDirLen);
rStrDir = zDirName;
return rStrDir.c_str();
}
// Hack for OS/2
wxChar* wxGetUserHome (
const wxString& rUser
)
{
wxChar* zHome;
wxString sUser1(rUser);
if (sUser1 != _T(""))
{
wxChar zTmp[64];
if (wxGetUserId( zTmp
,sizeof(zTmp)/sizeof(char)
))
{
// Guests belong in the temp dir
if (wxStricmp(zTmp, _T("annonymous")) == 0)
{
if ((zHome = wxGetenv(_T("TMP"))) != NULL ||
(zHome = wxGetenv(_T("TMPDIR"))) != NULL ||
(zHome = wxGetenv(_T("TEMP"))) != NULL)
return *zHome ? zHome : (wxChar*)_T("\\");
}
if (wxStricmp(zTmp, WXSTRINGCAST sUser1) == 0)
sUser1 = _T("");
}
}
if (sUser1 == _T(""))
if ((zHome = wxGetenv(_T("HOME"))) != NULL)
{
wxStrcpy(wxBuffer, zHome);
Unix2DosFilename(wxBuffer);
return wxBuffer;
}
return NULL; // No home known!
}
// Check whether this window wants to process messages, e.g. Stop button
// in long calculations.
bool wxCheckForInterrupt(
wxWindow* pWnd
)
{
if(pWnd)
{
QMSG vMsg;
HAB hab;
HWND hwndFilter;
HWND hwndWin= (HWND) pWnd->GetHWND();
while(::WinPeekMsg(hab, &vMsg, hwndFilter, 0, 0, PM_REMOVE))
{
::WinDispatchMsg(hab, &vMsg);
}
return TRUE;//*** temporary?
}
else
{
wxFAIL_MSG(_T("pWnd==NULL !!!"));
return FALSE;//*** temporary?
}
}
void wxGetMousePosition(
int* pX
, int* pY
)
{
POINTL vPt;
::WinQueryPointerPos(HWND_DESKTOP, &vPt);
*pX = vPt.x;
*pY = vPt.y;
};
// Return TRUE if we have a colour display
bool wxColourDisplay()
{
HPS hpsScreen;
HDC hdcScreen;
LONG lColors;
hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
hdcScreen = ::GpiQueryDevice(hpsScreen);
::DevQueryCaps(hdcScreen, CAPS_COLORS, 1L, &lColors);
return(lColors > 1L);
}
// Returns depth of screen
int wxDisplayDepth()
{
HPS hpsScreen;
HDC hdcScreen;
LONG lPlanes;
LONG lBitsPerPixel;
LONG nDepth;
hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
hdcScreen = ::GpiQueryDevice(hpsScreen);
::DevQueryCaps(hdcScreen, CAPS_COLOR_PLANES, 1L, &lPlanes);
::DevQueryCaps(hdcScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitsPerPixel);
nDepth = (int)(lPlanes * lBitsPerPixel);
DevCloseDC(hdcScreen);
return (nDepth);
}
// Get size of display
void wxDisplaySize(
int* pWidth
, int* pHeight
)
{
HPS hpsScreen;
HDC hdcScreen;
hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
hdcScreen = ::GpiQueryDevice(hpsScreen);
::DevQueryCaps(hdcScreen, CAPS_WIDTH, 1L, (PLONG)pWidth);
::DevQueryCaps(hdcScreen, CAPS_HEIGHT, 1L, (PLONG)pHeight);
DevCloseDC(hdcScreen);
}
bool wxDirExists(
const wxString& rDir
)
{
return (::DosSetCurrentDir(WXSTRINGCAST rDir));
}
// ---------------------------------------------------------------------------
// window information functions
// ---------------------------------------------------------------------------
wxString WXDLLEXPORT wxGetWindowText(
WXHWND hWnd
)
{
wxString vStr;
long lLen = ::WinQueryWindowTextLength((HWND)hWnd) + 1;
::WinQueryWindowText((HWND)hWnd, lLen, vStr.GetWriteBuf((int)lLen));
vStr.UngetWriteBuf();
return vStr;
}
wxString WXDLLEXPORT wxGetWindowClass(
WXHWND hWnd
)
{
wxString vStr;
int nLen = 256; // some starting value
for ( ;; )
{
int nCount = ::WinQueryClassName((HWND)hWnd, nLen, vStr.GetWriteBuf(nLen));
vStr.UngetWriteBuf();
if (nCount == nLen )
{
// the class name might have been truncated, retry with larger
// buffer
nLen *= 2;
}
else
{
break;
}
}
return vStr;
}
WXWORD WXDLLEXPORT wxGetWindowId(
WXHWND hWnd
)
{
return ::WinQueryWindowUShort((HWND)hWnd, QWS_ID);
}