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extra.c
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extra.c
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/*
* R : A Computer Language for Statistical Data Analysis
* file extra.c
* Copyright (C) 1998--2003 Guido Masarotto and Brian Ripley
* Copyright (C) 2004 The R Foundation
* Copyright (C) 2005--2006 The R Development Core Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* extra commands for R */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "win-nls.h"
#include <stdio.h>
#include "Defn.h"
#include "Fileio.h"
#include <direct.h>
#include <time.h>
#include <windows.h>
#include "graphapp/ga.h"
#include "rui.h"
#include <sys/types.h>
#include <sys/stat.h>
static int R_unlink(char *names, int recursive);
static int R_unlink_one(char *dir, char *name, int recursive)
{
char tmp[MAX_PATH];
if(strcmp(name, ".") == 0) return 0;
if(strcmp(name, "..") == 0) return 0;
if(strlen(dir)) {
strcpy(tmp, dir);
if(*(dir + strlen(dir) - 1) != '\\') strcat(tmp, "\\");
strcat(tmp, name);
} else strcpy(tmp, name);
return (recursive ? R_unlink(tmp, 1): unlink(tmp)) !=0;
}
static int R_unlink(char *names, int recursive)
{
int failures = 0;
char *p, tmp[MAX_PATH], dir[MAX_PATH+2];
WIN32_FIND_DATA find_data;
HANDLE fh;
struct stat sb;
if(strlen(names) >= MAX_PATH) error(_("invalid 'names' in 'R_unlink'"));
strcpy(tmp, names);
for(p = tmp; *p != '\0'; p++) if(*p == '/') *p = '\\';
if(stat(tmp, &sb) == 0) {
/* Is this a directory? */
if(sb.st_mode & _S_IFDIR) {
if(recursive) {
strcpy(dir, tmp); strcat(tmp, "\\*");
fh = FindFirstFile(tmp, &find_data);
if (fh != INVALID_HANDLE_VALUE) {
failures += R_unlink_one(dir, find_data.cFileName, 1);
while(FindNextFile(fh, &find_data))
failures += R_unlink_one(dir, find_data.cFileName, 1);
FindClose(fh);
}
/* Use short path as e.g. ' test' fails */
GetShortPathName(dir, tmp, MAX_PATH);
if(rmdir(tmp)) failures++;
} else failures++; /* don't try to delete dirs */
} else {/* Regular file (or several) */
strcpy(dir, tmp);
if ((p = Rf_strrchr(dir, '\\'))) *(++p) = '\0'; else *dir = '\0';
/* check for wildcard matches */
fh = FindFirstFile(tmp, &find_data);
if (fh != INVALID_HANDLE_VALUE) {
failures += R_unlink_one(dir, find_data.cFileName, 0);
while(FindNextFile(fh, &find_data))
failures += R_unlink_one(dir, find_data.cFileName, 0);
FindClose(fh);
}
}
}
return failures;
}
SEXP do_unlink(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP fn, ans;
int i, nfiles, failures = 0, recursive;
checkArity(op, args);
fn = CAR(args);
nfiles = length(fn);
if (nfiles > 0) {
if (!isString(fn))
errorcall(call, _("invalid '%s' argument"), "x");
recursive = asLogical(CADR(args));
if (recursive == NA_LOGICAL)
errorcall(call, _("invalid '%s' argument"), "recursive");
for(i = 0; i < nfiles; i++)
failures += R_unlink(CHAR(STRING_ELT(fn, i)), recursive);
}
PROTECT(ans = allocVector(INTSXP, 1));
if (!failures)
INTEGER(ans)[0] = 0;
else
INTEGER(ans)[0] = 1;
UNPROTECT(1);
return (ans);
}
SEXP do_flushconsole(SEXP call, SEXP op, SEXP args, SEXP env)
{
R_FlushConsole();
return R_NilValue;
}
#include <winbase.h>
/* typedef struct _OSVERSIONINFO{
DWORD dwOSVersionInfoSize;
DWORD dwMajorVersion;
DWORD dwMinorVersion;
DWORD dwBuildNumber;
DWORD dwPlatformId;
TCHAR szCSDVersion[ 128 ];
} OSVERSIONINFO; */
SEXP do_winver(SEXP call, SEXP op, SEXP args, SEXP env)
{
char isNT[8]="??", ver[256];
SEXP ans;
OSVERSIONINFO verinfo;
checkArity(op, args);
verinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&verinfo);
switch(verinfo.dwPlatformId) {
case VER_PLATFORM_WIN32_NT:
strcpy(isNT, "NT");
break;
case VER_PLATFORM_WIN32_WINDOWS:
switch(verinfo.dwMinorVersion ) {
case 0:
strcpy(isNT, "95");
if (verinfo.szCSDVersion[1] == 'C') strcat(isNT, " OSR2" );
break;
case 10:
strcpy(isNT, "98");
if (verinfo.szCSDVersion[1] == 'A') strcat(isNT, " SE" );
break;
case 90:
strcpy(isNT, "ME");
break;
default:
strcpy(isNT, "9x");
}
break;
case VER_PLATFORM_WIN32s:
strcpy(isNT, "win32s");
break;
default:
sprintf(isNT, "ID=%d", (int)verinfo.dwPlatformId);
break;
}
if((int)verinfo.dwMajorVersion >= 5) {
OSVERSIONINFOEX osvi;
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
if(GetVersionEx((OSVERSIONINFO *)&osvi)) {
char tmp[]="", *desc= tmp, *type = tmp;
if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
desc = "2000";
if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
desc = "XP";
if ( osvi.wProductType == VER_NT_WORKSTATION ) {
if( osvi.wSuiteMask & VER_SUITE_PERSONAL )
type = "Home Edition";
else
type = "Professional";
} else if ( osvi.wProductType == VER_NT_SERVER )
{
if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 )
desc = ".NET";
if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
type = "DataCenter Server";
else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
type = "Advanced Server";
else if ( osvi.wSuiteMask == VER_SUITE_BLADE )
type = "Web Server";
else
type = "Server";
}
sprintf(ver,
"Windows %s %s (build %d) Service Pack %d.%d",
desc, type,
LOWORD(osvi.dwBuildNumber),
(int)osvi.wServicePackMajor,
(int)osvi.wServicePackMinor);
} else {
sprintf(ver, "Windows 2000 %d.%d (build %d) %s",
(int)verinfo.dwMajorVersion, (int)verinfo.dwMinorVersion,
LOWORD(verinfo.dwBuildNumber), verinfo.szCSDVersion);
}
} else {
sprintf(ver, "Windows %s %d.%d (build %d) %s", isNT,
(int)verinfo.dwMajorVersion, (int)verinfo.dwMinorVersion,
LOWORD(verinfo.dwBuildNumber), verinfo.szCSDVersion);
}
PROTECT(ans = allocVector(STRSXP, 1));
SET_STRING_ELT(ans, 0, mkChar(ver));
UNPROTECT(1);
return (ans);
}
void internal_shellexec(char * file)
{
char *home;
home = getenv("R_HOME");
if (home == NULL)
error(_("R_HOME not set"));
ShellExecute(NULL, "open", file, NULL, home, SW_SHOW);
}
SEXP do_shellexec(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP file;
checkArity(op, args);
file = CAR(args);
if (!isString(file) || length(file) != 1)
errorcall(call, _("invalid '%s' argument"), "file");
internal_shellexec(CHAR(STRING_ELT(file, 0)));
return R_NilValue;
}
int check_doc_file(char * file)
{
char *home, path[MAX_PATH];
struct stat sb;
home = getenv("R_HOME");
if (home == NULL)
error(_("R_HOME not set"));
if(strlen(home) + strlen(file) + 1 >= MAX_PATH) return(1); /* cannot exist */
strcpy(path, home);
strcat(path, "/");
strcat(path, file);
return stat(path, &sb) == 0;
}
SEXP do_windialog(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP message, ans;
char * type;
int res=YES;
checkArity(op, args);
type = CHAR(STRING_ELT(CAR(args), 0));
message = CADR(args);
if(!isString(message) || length(message) != 1 ||
strlen(CHAR(STRING_ELT(message, 0))) > 255)
error(_("invalid '%s' argument"), "message");
if (strcmp(type, "ok") == 0) {
askok(CHAR(STRING_ELT(message, 0)));
res = 10;
} else if (strcmp(type, "okcancel") == 0) {
res = askokcancel(CHAR(STRING_ELT(message, 0)));
if(res == YES) res = 2;
} else if (strcmp(type, "yesno") == 0) {
res = askyesno(CHAR(STRING_ELT(message, 0)));
} else if (strcmp(type, "yesnocancel") == 0) {
res = askyesnocancel(CHAR(STRING_ELT(message, 0)));
} else
errorcall(call, _("unknown type"));
ans = allocVector(INTSXP, 1);
INTEGER(ans)[0] = res;
return (ans);
}
SEXP do_windialogstring(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP message, def, ans;
char *string;
checkArity(op, args);
message = CAR(args);
if(!isString(message) || length(message) != 1 ||
strlen(CHAR(STRING_ELT(message, 0))) > 255)
error(_("invalid '%s' argument"), "message");
def = CADR(args);
if(!isString(def) || length(def) != 1)
error(_("invalid '%s' argument"), "default");
string = askstring(CHAR(STRING_ELT(message, 0)), CHAR(STRING_ELT(def, 0)));
if (string) {
ans = allocVector(STRSXP, 1);
SET_STRING_ELT(ans, 0, mkChar(string));
return (ans);
} else
return (R_NilValue);
}
#include "Startup.h"
extern UImode CharacterMode;
static char msgbuf[256];
SEXP do_winmenunames(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP menuNames;
int i, nmenus;
checkArity(op, args);
if (CharacterMode != RGui)
errorcall(call, _("Menu functions can only be used in the GUI"));
nmenus = numwinmenus();
PROTECT(menuNames = allocVector(STRSXP, nmenus));
for (i = 0; i < nmenus; i++) {
SET_STRING_ELT(menuNames, i, mkChar(getusermenuname(i)));
}
UNPROTECT(1);
return(menuNames);
}
SEXP do_wingetmenuitems(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP mname, ans, ansnames;
menuItems *items;
char errmsg[50];
int i;
checkArity(op, args);
if (CharacterMode != RGui)
errorcall(call, _("Menu functions can only be used in the GUI"));
mname = CAR(args);
if (!isString(mname) || length(mname) != 1)
error(_("invalid '%s' argument"), "menuname");
items = wingetmenuitems(CHAR(STRING_ELT(mname,0)), errmsg);
if (items->numItems == 0) {
sprintf(msgbuf, _("unable to retrieve items for %s (%s)"),
CHAR(STRING_ELT(mname,0)), errmsg);
freemenuitems(items);
errorcall(call, msgbuf);
}
PROTECT(ans = allocVector(STRSXP, items->numItems));
PROTECT(ansnames = allocVector(STRSXP, items->numItems));
for (i = 0; i < items->numItems; i++) {
SET_STRING_ELT(ans, i, mkChar(items->mItems[i]->action));
SET_STRING_ELT(ansnames, i, mkChar(items->mItems[i]->name));
}
setAttrib(ans, R_NamesSymbol, ansnames);
freemenuitems(items);
UNPROTECT(2);
return(ans);
}
SEXP do_winmenuadd(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP smenu, sitem;
int res;
char errmsg[50];
checkArity(op, args);
if (CharacterMode != RGui)
errorcall(call, _("Menu functions can only be used in the GUI"));
smenu = CAR(args);
if(!isString(smenu) || length(smenu) != 1)
error(_("invalid '%s' argument"), "menuname");
sitem = CADR(args);
if (isNull(sitem)) { /* add a menu */
res = winaddmenu (CHAR(STRING_ELT(smenu, 0)), errmsg);
if (res > 0) {
sprintf(msgbuf, _("unable to add menu (%s)"), errmsg);
errorcall(call, msgbuf);
}
} else { /* add an item */
if(!isString(sitem) || length(sitem) != 1)
error(_("invalid '%s' argument"), "itemname");
res = winaddmenuitem (CHAR(STRING_ELT(sitem, 0)),
CHAR(STRING_ELT(smenu, 0)),
CHAR(STRING_ELT(CADDR(args), 0)),
errmsg);
if (res > 0) {
sprintf(msgbuf, _("unable to add menu item (%s)"), errmsg);
errorcall(call, msgbuf);
}
}
return (R_NilValue);
}
SEXP do_winmenudel(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP smenu, sitem;
int res;
char errmsg[50];
checkArity(op, args);
if (CharacterMode != RGui)
errorcall(call, _("Menu functions can only be used in the GUI"));
smenu = CAR(args);
if(!isString(smenu) || length(smenu) != 1)
error(_("invalid '%s' argument"), "menuname");
sitem = CADR(args);
if (isNull(sitem)) { /* delete a menu */
res = windelmenu (CHAR(STRING_ELT(smenu, 0)), errmsg);
if (res > 0)
errorcall(call, _("menu does not exist"));
} else { /* delete an item */
if(!isString(sitem) || length(sitem) != 1)
error(_("invalid '%s' argument"), "itemname");
res = windelmenuitem (CHAR(STRING_ELT(sitem, 0)),
CHAR(STRING_ELT(smenu, 0)), errmsg);
if (res > 0) {
sprintf(msgbuf, _("unable to delete menu item (%s)"), errmsg);
errorcall(call, msgbuf);
}
}
return (R_NilValue);
}
void Rwin_fpset()
{
/* Under recent MinGW this is what fpreset does. It sets the
control word to 0x37f which corresponds to 0x8001F as used by
_controlfp. That is all errors are masked, 64-bit mantissa and
rounding are selected. */
__asm__ ( "fninit" ) ;
}
#include "getline/getline.h" /* for gl_load/savehistory */
SEXP do_savehistory(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP sfile;
checkArity(op, args);
sfile = CAR(args);
if (!isString(sfile) || LENGTH(sfile) < 1)
errorcall(call, _("invalid '%s' argument"), "file");
if (CharacterMode == RGui || (R_Interactive && CharacterMode == RTerm)) {
R_setupHistory(); /* re-read the history size */
gl_savehistory(CHAR(STRING_ELT(sfile, 0)), R_HistorySize);
} else
errorcall(call, _("'savehistory' can only be used in Rgui and Rterm"));
return R_NilValue;
}
SEXP do_loadhistory(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP sfile;
checkArity(op, args);
sfile = CAR(args);
if (!isString(sfile) || LENGTH(sfile) < 1)
errorcall(call, _("invalid '%s' argument"), "file");
if (CharacterMode == RGui || (R_Interactive && CharacterMode == RTerm))
gl_loadhistory(CHAR(STRING_ELT(sfile, 0)));
else
errorcall(call, _("'loadhistory' can only be used in Rgui and Rterm"));
return R_NilValue;
}
SEXP do_addhistory(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP stamp;
int i;
checkArity(op, args);
stamp = CAR(args);
if (!isString(stamp))
errorcall(call, _("invalid timestamp"));
if (CharacterMode == RGui || (R_Interactive && CharacterMode == RTerm))
for (i = 0; i < LENGTH(stamp); i++)
gl_histadd(CHAR(STRING_ELT(stamp, i)));
return R_NilValue;
}
#include <preferences.h>
SEXP do_loadRconsole(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP sfile;
struct structGUI gui;
checkArity(op, args);
sfile = CAR(args);
if (!isString(sfile) || LENGTH(sfile) < 1)
errorcall(call, _("invalid '%s' argument"), "file");
if (CharacterMode == RGui) {
getActive(&gui);
if (loadRconsole(&gui, (CHAR(STRING_ELT(sfile, 0))))) applyGUI(&gui);
} else
errorcall(call, _("'loadRconsole' can only be used in Rgui"));
return R_NilValue;
}
#include <lmcons.h>
SEXP do_sysinfo(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP ans, ansnames;
OSVERSIONINFO verinfo;
char isNT[8]="??", ver[256],
name[MAX_COMPUTERNAME_LENGTH + 1], user[UNLEN+1];
DWORD namelen = MAX_COMPUTERNAME_LENGTH + 1, userlen = UNLEN+1;
checkArity(op, args);
PROTECT(ans = allocVector(STRSXP, 7));
verinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&verinfo);
switch(verinfo.dwPlatformId) {
case VER_PLATFORM_WIN32_NT:
strcpy(isNT, "NT");
break;
case VER_PLATFORM_WIN32_WINDOWS:
strcpy(isNT, "9x");
break;
case VER_PLATFORM_WIN32s:
strcpy(isNT, "win32s");
break;
default:
sprintf(isNT, "ID=%d", (int)verinfo.dwPlatformId);
break;
}
SET_STRING_ELT(ans, 0, mkChar("Windows"));
sprintf(ver, "%s %d.%d", isNT,
(int)verinfo.dwMajorVersion, (int)verinfo.dwMinorVersion);
SET_STRING_ELT(ans, 1, mkChar(ver));
sprintf(ver, "(build %d) %s", LOWORD(verinfo.dwBuildNumber),
verinfo.szCSDVersion);
SET_STRING_ELT(ans, 2, mkChar(ver));
GetComputerName(name, &namelen);
SET_STRING_ELT(ans, 3, mkChar(name));
SET_STRING_ELT(ans, 4, mkChar("x86"));
GetUserName(user, &userlen);
SET_STRING_ELT(ans, 5, mkChar(user));
SET_STRING_ELT(ans, 6, STRING_ELT(ans, 5));
PROTECT(ansnames = allocVector(STRSXP, 7));
SET_STRING_ELT(ansnames, 0, mkChar("sysname"));
SET_STRING_ELT(ansnames, 1, mkChar("release"));
SET_STRING_ELT(ansnames, 2, mkChar("version"));
SET_STRING_ELT(ansnames, 3, mkChar("nodename"));
SET_STRING_ELT(ansnames, 4, mkChar("machine"));
SET_STRING_ELT(ansnames, 5, mkChar("login"));
SET_STRING_ELT(ansnames, 6, mkChar("user"));
setAttrib(ans, R_NamesSymbol, ansnames);
UNPROTECT(2);
return ans;
}
SEXP do_syssleep(SEXP call, SEXP op, SEXP args, SEXP rho)
{
DWORD mtime;
int ntime;
double time;
checkArity(op, args);
time = asReal(CAR(args));
if (ISNAN(time) || time < 0)
errorcall(call, _("invalid '%s' value"), "time");
ntime = 1000*(time) + 0.5;
while (ntime > 0) {
mtime = min(500, ntime);
ntime -= mtime;
Sleep(mtime);
R_ProcessEvents();
}
return R_NilValue;
}
#ifdef LEA_MALLOC
struct mallinfo {
int arena; /* non-mmapped space allocated from system */
int ordblks; /* number of free chunks */
int smblks; /* number of fastbin blocks */
int hblks; /* number of mmapped regions */
int hblkhd; /* space in mmapped regions */
int usmblks; /* maximum total allocated space */
int fsmblks; /* space available in freed fastbin blocks */
int uordblks; /* total allocated space */
int fordblks; /* total free space */
int keepcost; /* top-most, releasable (via malloc_trim) space */
};
extern unsigned int R_max_memory;
struct mallinfo mallinfo();
#endif
SEXP do_memsize(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP ans;
int maxmem;
checkArity(op, args);
if(isLogical(CAR(args))) {
maxmem = asLogical(CAR(args));
/* changed to real in 1.8.1 as might exceed 2G */
PROTECT(ans = allocVector(REALSXP, 1));
#ifdef LEA_MALLOC
if(maxmem == NA_LOGICAL)
REAL(ans)[0] = R_max_memory;
else if(maxmem)
REAL(ans)[0] = mallinfo().usmblks;
else
REAL(ans)[0] = mallinfo().uordblks;
#else
REAL(ans)[0] = NA_REAL;
#endif
UNPROTECT(1);
return ans;
} else if(isReal(CAR(args))) {
unsigned int newmax;
double mem = asReal(CAR(args));
if (!R_FINITE(mem))
errorcall(call, _("incorrect argument"));
#ifdef LEA_MALLOC
if(mem >= 4096)
errorcall(call, _("don't be silly!: your machine has a 4Gb address limit"));
newmax = mem * 1048576.0;
if (newmax < R_max_memory)
errorcall(call, _("cannot decrease memory limit"));
R_max_memory = newmax;
#endif
} else
errorcall(call, _("incorrect argument"));
return R_NilValue;
}
SEXP do_dllversion(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP path=R_NilValue, ans;
char *dll;
DWORD dwVerInfoSize;
DWORD dwVerHnd;
checkArity(op, args);
path = CAR(args);
if(!isString(path) || LENGTH(path) != 1)
errorcall(call, _("invalid '%s' argument"), "path");
dll = CHAR(STRING_ELT(path, 0));
dwVerInfoSize = GetFileVersionInfoSize(dll, &dwVerHnd);
PROTECT(ans = allocVector(STRSXP, 2));
SET_STRING_ELT(ans, 0, mkChar(""));
SET_STRING_ELT(ans, 1, mkChar(""));
if (dwVerInfoSize) {
BOOL fRet;
LPSTR lpstrVffInfo;
LPSTR lszVer = NULL;
UINT cchVer = 0;
lpstrVffInfo = (LPSTR) malloc(dwVerInfoSize);
if (GetFileVersionInfo(dll, 0L, dwVerInfoSize, lpstrVffInfo))
{
fRet = VerQueryValue(lpstrVffInfo,
TEXT("\\StringFileInfo\\040904E4\\FileVersion"),
(LPVOID)&lszVer, &cchVer);
if(fRet) SET_STRING_ELT(ans, 0, mkChar(lszVer));
fRet = VerQueryValue(lpstrVffInfo,
TEXT("\\StringFileInfo\\040904E4\\R Version"),
(LPVOID)&lszVer, &cchVer);
if(fRet) SET_STRING_ELT(ans, 1, mkChar(lszVer));
else {
fRet = VerQueryValue(lpstrVffInfo,
TEXT("\\StringFileInfo\\040904E4\\Compiled under R Version"),
(LPVOID)&lszVer, &cchVer);
if(fRet) SET_STRING_ELT(ans, 1, mkChar(lszVer));
}
} else ans = R_NilValue;
free(lpstrVffInfo);
} else ans = R_NilValue;
UNPROTECT(1);
return ans;
}
static window wselect;
static button bFinish, bCancel;
static listbox f_list;
static char selected[100];
static int done;
static void cleanup()
{
hide(wselect);
delobj(f_list); delobj(bFinish); delobj(bCancel);
delobj(wselect);
}
static void cancel(button b)
{
strcpy(selected, "");
done = 2;
}
static void finish(button b)
{
strncpy(selected, GA_gettext(f_list), 100);
done = 1;
}
static void key1(control c, int ch)
{
if(ch == '\n') finish(NULL);
if(ch == ESC) cancel(NULL);
}
rect getSysFontSize(); /* in graphapp/fonts.c */
RECT *RgetMDIsize(); /* in rui.c */
SEXP do_selectlist(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP list, preselect, ans = R_NilValue;
char **clist;
int i, j = -1, n, mw = 0, multiple, nsel = 0;
int xmax, ymax, ylist, fht, h0;
Rboolean haveTitle;
checkArity(op, args);
list = CAR(args);
if(!isString(list)) error(_("invalid '%s' argument"), "list");
preselect = CADR(args);
if(!isNull(preselect) && !isString(preselect))
error(_("invalid '%s' argument"), "preselect");
multiple = asLogical(CADDR(args));
if(multiple == NA_LOGICAL) multiple = 0;
haveTitle = isString(CADDDR(args));
if(!multiple && isString(preselect) && LENGTH(preselect) != 1)
error(_("invalid '%s' argument"), "preselect");
n = LENGTH(list);
clist = (char **) R_alloc(n + 1, sizeof(char *));
for(i = 0; i < n; i++) {
clist[i] = CHAR(STRING_ELT(list, i));
mw = max(mw, gstrwidth(NULL, SystemFont, clist[i]));
}
clist[n] = NULL;
fht = getSysFontSize().height;
xmax = max(170, mw+60); /* allow for scrollbar */
if(ismdi()) {
RECT *pR = RgetMDIsize();
h0 = pR->bottom;
} else {
h0 = deviceheight(NULL);
}
ymax = min(80+fht*n, h0-100); /* allow for window widgets, toolbar */
ylist = ymax - 60;
wselect = newwindow(haveTitle ? CHAR(STRING_ELT(CADDDR(args), 0)):
(multiple ? _("Select one or more") : _("Select one")),
rect(0, 0, xmax, ymax),
Titlebar | Centered | Modal);
setbackground(wselect, dialog_bg());
if(multiple)
f_list = newmultilist(clist, rect(10, 10, xmax-25, ylist), NULL);
else
f_list = newlistbox(clist, rect(10, 10, xmax-25, ylist), NULL);
if(!isNull(preselect) && LENGTH(preselect)) {
for(i = 0; i < n; i++)
for(j = 0; j < LENGTH(preselect); j++)
if(strcmp(clist[i], CHAR(STRING_ELT(preselect, j))) == 0) {
setlistitem(f_list, i);
break;
}
}
bFinish = newbutton(G_("OK"), rect(xmax-160, ymax-40, 70, 25), finish);
bCancel = newbutton(G_("Cancel"), rect(xmax-80, ymax-40, 70, 25), cancel);
setkeydown(wselect, key1);
show(wselect);
done = 0;
while(!done) {
Sleep(100);
R_ProcessEvents();
}
if(multiple) {
if (done == 1) { /* Finish */
for(i = 0; i < n; i++) if(isselected(f_list, i)) nsel++;
PROTECT(ans = allocVector(STRSXP, nsel));
for(i = 0, j = 0; i < n; i++)
if(isselected(f_list, i))
SET_STRING_ELT(ans, j++, mkChar(clist[i]));
} else { /* cancel */
PROTECT(ans = allocVector(STRSXP, 0));
}
} else {
PROTECT(ans = allocVector(STRSXP, 1));
SET_STRING_ELT(ans, 0, mkChar(selected));
}
cleanup();
show(RConsole);
UNPROTECT(1);
return ans;
}
int Rwin_rename(char *from, char *to)
{
int res = 0;
OSVERSIONINFO verinfo;
verinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&verinfo);
switch(verinfo.dwPlatformId) {
case VER_PLATFORM_WIN32_NT:
res = (MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING) == 0);
break;
default:
if (!DeleteFile(to) && GetLastError() != ERROR_FILE_NOT_FOUND)
return 1;
res = (MoveFile(from, to) == 0);
}
return res;
}
void R_CleanTempDir()
{
if(Sys_TempDir) R_unlink(Sys_TempDir, 1);
}
SEXP do_getClipboardFormats(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP ans = R_NilValue;
int size, format = 0;
checkArity(op, args);
if(OpenClipboard(NULL)) {
size = CountClipboardFormats();
PROTECT(ans = allocVector(INTSXP, size));
for (int j=0; j<size; j++) {
format = EnumClipboardFormats(format);
INTEGER(ans)[j] = format;
}
UNPROTECT(1);
CloseClipboard();
}
return ans;
}
SEXP do_readClipboard(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP ans = R_NilValue;
HGLOBAL hglb;
char *pc;
int format, raw, size;
checkArity(op, args);
format = asInteger(CAR(args));
raw = asLogical(CADR(args));
if(OpenClipboard(NULL)) {
if(IsClipboardFormatAvailable(format) &&
(hglb = GetClipboardData(format)) &&
(pc = (char *)GlobalLock(hglb))) {
if(!raw) {
PROTECT(ans = allocVector(STRSXP, 1));
SET_STRING_ELT(ans, 0, mkChar(pc));
} else {
size = GlobalSize(hglb);
PROTECT(ans = allocVector(RAWSXP, size));
for (int j=0; j<size; j++) RAW(ans)[j] = *pc++;
}
GlobalUnlock(hglb);
UNPROTECT(1);
}
CloseClipboard();
}
return ans;
}
SEXP do_writeClipboard(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP ans, text;
int i, n, format;
HGLOBAL hglb;
char *s, *p;
Rboolean success = FALSE, raw = FALSE;
checkArity(op, args);
text = CAR(args);
format = asInteger(CADR(args));
if (TYPEOF(text) == RAWSXP) raw = TRUE;
else if(!isString(text))
errorcall(call, _("argument must be a character vector or a raw vector"));
n = length(text);
if(n > 0) {
int len = 1;
if(!raw)
for(i = 0; i < n; i++) len += strlen(CHAR(STRING_ELT(text, i))) + 2;
else len = n;
if ( (hglb = GlobalAlloc(GHND, len)) &&
(s = (char *)GlobalLock(hglb)) ) {
if(!raw) {
for(i = 0; i < n; i++) {
p = CHAR(STRING_ELT(text, i));
while(*p) *s++ = *p++;
*s++ = '\r'; *s++ = '\n';
}
*s = '\0';
} else
for(i = 0; i < n; i++) *s++ = RAW(text)[i];
GlobalUnlock(hglb);
if (!OpenClipboard(NULL) || !EmptyClipboard()) {
warningcall(call, _("Unable to open the clipboard"));
GlobalFree(hglb);
} else {
success = SetClipboardData(CF_TEXT, hglb) != 0;
if(!success) {
warningcall(call, _("Unable to write to the clipboard"));
GlobalFree(hglb);
}
CloseClipboard();
}
}
}
PROTECT(ans = allocVector(LGLSXP, 1));
LOGICAL(ans)[0] = success;
UNPROTECT(1);
return ans;
}
/* We cannot use GetLongPathName (missing on W95/NT4) so write our own
based on that in Perl. NB: may not be MBCS-correct.
*/
#define isSLASH(c) ((c) == '/' || (c) == '\\')
#define SKIP_SLASHES(s) while (*(s) && isSLASH(*(s))) ++(s);
#define COPY_NONSLASHES(d,s) while (*(s) && !isSLASH(*(s))) *(d)++ = *(s)++;
static void longpathname(char *path)
{
WIN32_FIND_DATA fdata;
HANDLE fhand;
char tmpbuf[MAX_PATH+1], *tmpstart = tmpbuf, *start = path, sep;
if(!path) return;
/* drive prefix */
if (isalpha(path[0]) && path[1] == ':') {
start = path + 2;
*tmpstart++ = path[0];
*tmpstart++ = ':';
}
/* UNC prefix */
else if (isSLASH(path[0]) && isSLASH(path[1])) {
start = path + 2;
*tmpstart++ = path[0];
*tmpstart++ = path[1];
SKIP_SLASHES(start);
COPY_NONSLASHES(tmpstart,start); /* copy machine name */
if (*start) {
*tmpstart++ = *start++;
SKIP_SLASHES(start);
COPY_NONSLASHES(tmpstart,start); /* copy share name */
}
}
*tmpstart = '\0';
while (*start) {
/* copy initial slash, if any */