| -rw-r--r-- | qmake/tools/qglobal.cpp | 45 |
1 files changed, 39 insertions, 6 deletions
diff --git a/qmake/tools/qglobal.cpp b/qmake/tools/qglobal.cpp index 47cd6bd..342005d 100644 --- a/qmake/tools/qglobal.cpp +++ b/qmake/tools/qglobal.cpp @@ -1,835 +1,868 @@ /**************************************************************************** ** $Id$ ** ** Global functions ** ** Created : 920604 ** ** Copyright (C) 1992-2002 Trolltech AS. All rights reserved. ** ** This file is part of the tools module of the Qt GUI Toolkit. ** ** This file may be distributed under the terms of the Q Public License ** as defined by Trolltech AS of Norway and appearing in the file ** LICENSE.QPL included in the packaging of this file. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition ** licenses may use this file in accordance with the Qt Commercial License ** Agreement provided with the Software. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for ** information about Qt Commercial License Agreements. ** See http://www.trolltech.com/qpl/ for QPL licensing information. ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #include "qplatformdefs.h" #include "qasciidict.h" #include <limits.h> #include <stdio.h> #include <limits.h> #include <stdarg.h> #include <stdlib.h> /*! \relates QApplication Returns the Qt version number as a string, for example, "2.3.0" or "3.0.5". The \c QT_VERSION define has the numeric value in the form: 0xmmiibb (m = major, i = minor, b = bugfix). For example, Qt 3.0.5's \c QT_VERSION is 0x030005. */ const char *qVersion() { return QT_VERSION_STR; } /***************************************************************************** System detection routines *****************************************************************************/ static bool si_alreadyDone = FALSE; static int si_wordSize; static bool si_bigEndian; /*! \relates QApplication Obtains information about the system. The system's word size in bits (typically 32) is returned in \a *wordSize. The \a *bigEndian is set to TRUE if this is a big-endian machine, or to FALSE if this is a little-endian machine. In debug mode, this function calls qFatal() with a message if the computer is truly weird (i.e. different endianness for 16 bit and 32 bit integers); in release mode it returns FALSE. */ bool qSysInfo( int *wordSize, bool *bigEndian ) { #if defined(QT_CHECK_NULL) Q_ASSERT( wordSize != 0 ); Q_ASSERT( bigEndian != 0 ); #endif if ( si_alreadyDone ) { // run it only once *wordSize = si_wordSize; *bigEndian = si_bigEndian; return TRUE; } si_wordSize = 0; Q_ULONG n = (Q_ULONG)(~0); while ( n ) { // detect word size si_wordSize++; n /= 2; } *wordSize = si_wordSize; if ( *wordSize != 64 && *wordSize != 32 && *wordSize != 16 ) { // word size: 16, 32 or 64 #if defined(QT_CHECK_RANGE) qFatal( "qSysInfo: Unsupported system word size %d", *wordSize ); #endif return FALSE; } if ( sizeof(Q_INT8) != 1 || sizeof(Q_INT16) != 2 || sizeof(Q_INT32) != 4 || sizeof(Q_ULONG)*8 != si_wordSize || sizeof(float) != 4 || sizeof(double) != 8 ) { #if defined(QT_CHECK_RANGE) qFatal( "qSysInfo: Unsupported system data type size" ); #endif return FALSE; } bool be16, be32; // determine byte ordering short ns = 0x1234; int nl = 0x12345678; unsigned char *p = (unsigned char *)(&ns); // 16-bit integer be16 = *p == 0x12; p = (unsigned char *)(&nl); // 32-bit integer if ( p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78 ) be32 = TRUE; else if ( p[0] == 0x78 && p[1] == 0x56 && p[2] == 0x34 && p[3] == 0x12 ) be32 = FALSE; else be32 = !be16; if ( be16 != be32 ) { // strange machine! #if defined(QT_CHECK_RANGE) qFatal( "qSysInfo: Inconsistent system byte order" ); #endif return FALSE; } *bigEndian = si_bigEndian = be32; si_alreadyDone = TRUE; return TRUE; } -#if defined(Q_OS_WIN32) || defined(Q_OS_CYGWIN) +#if !defined(QWS) && defined(Q_OS_MAC) + +#include "qt_mac.h" + +int qMacVersion() +{ + static int macver = Qt::MV_Unknown; + static bool first = TRUE; + if(first) { + first = FALSE; + long gestalt_version; + if(Gestalt(gestaltSystemVersion, &gestalt_version) == noErr) { + if(gestalt_version >= 0x1020 && gestalt_version < 0x1030) + macver = Qt::MV_10_DOT_2; + else if(gestalt_version >= 0x1010 && gestalt_version < 0x1020) + macver = Qt::MV_10_DOT_1; + } + } + return macver; +} +Qt::MacintoshVersion qt_macver = (Qt::MacintoshVersion)qMacVersion(); +#elif defined(Q_OS_WIN32) || defined(Q_OS_CYGWIN) bool qt_winunicode; #include "qt_windows.h" int qWinVersion() { #ifndef VER_PLATFORM_WIN32s #define VER_PLATFORM_WIN32s 0 #endif #ifndef VER_PLATFORM_WIN32_WINDOWS #define VER_PLATFORM_WIN32_WINDOWS 1 #endif #ifndef VER_PLATFORM_WIN32_NT #define VER_PLATFORM_WIN32_NT 2 #endif static int winver = Qt::WV_NT; static int t=0; if ( !t ) { t=1; #ifdef Q_OS_TEMP OSVERSIONINFOW osver; osver.dwOSVersionInfoSize = sizeof(osver); GetVersionEx( &osver ); #else OSVERSIONINFOA osver; osver.dwOSVersionInfoSize = sizeof(osver); GetVersionExA( &osver ); #endif switch ( osver.dwPlatformId ) { case VER_PLATFORM_WIN32s: winver = Qt::WV_32s; break; case VER_PLATFORM_WIN32_WINDOWS: // We treat Windows Me (minor 90) the same as Windows 98 if ( ( osver.dwMinorVersion == 10 ) || ( osver.dwMinorVersion == 90 ) ) winver = Qt::WV_98; else winver = Qt::WV_95; break; default: // VER_PLATFORM_WIN32_NT if ( osver.dwMajorVersion < 5 ) { winver = Qt::WV_NT; } else if ( osver.dwMinorVersion == 0 ) { winver = Qt::WV_2000; } else { winver = Qt::WV_XP; } } } #if defined(UNICODE) if ( winver & Qt::WV_NT_based ) qt_winunicode = TRUE; else #endif qt_winunicode = FALSE; return winver; } Qt::WindowsVersion qt_winver = (Qt::WindowsVersion)qWinVersion(); #endif /***************************************************************************** Debug output routines *****************************************************************************/ /*! \fn void qDebug( const char *msg, ... ) \relates QApplication Prints a debug message \a msg, or calls the message handler (if it has been installed). This function takes a format string and a list of arguments, similar to the C printf() function. Example: \code qDebug( "my window handle = %x", myWidget->id() ); \endcode Under X11, the text is printed to stderr. Under Windows, the text is sent to the debugger. \warning The internal buffer is limited to 8196 bytes (including the '\0'-terminator). \warning Passing (const char *)0 as argument to qDebug might lead to crashes on certain platforms due to the platforms printf implementation. \sa qWarning(), qFatal(), qInstallMsgHandler(), \link debug.html Debugging\endlink */ /*! \fn void qWarning( const char *msg, ... ) \relates QApplication Prints a warning message \a msg, or calls the message handler (if it has been installed). This function takes a format string and a list of arguments, similar to the C printf() function. Example: \code void f( int c ) { if ( c > 200 ) qWarning( "f: bad argument, c == %d", c ); } \endcode Under X11, the text is printed to stderr. Under Windows, the text is sent to the debugger. \warning The internal buffer is limited to 8196 bytes (including the '\0'-terminator). \warning Passing (const char *)0 as argument to qWarning might lead to crashes on certain platforms due to the platforms printf implementation. \sa qDebug(), qFatal(), qInstallMsgHandler(), \link debug.html Debugging\endlink */ /*! \fn void qFatal( const char *msg, ... ) \relates QApplication Prints a fatal error message \a msg and exits, or calls the message handler (if it has been installed). This function takes a format string and a list of arguments, similar to the C printf() function. Example: \code int divide( int a, int b ) { if ( b == 0 ) // program error qFatal( "divide: cannot divide by zero" ); return a/b; } \endcode Under X11, the text is printed to stderr. Under Windows, the text is sent to the debugger. \warning The internal buffer is limited to 8196 bytes (including the '\0'-terminator). \warning Passing (const char *)0 as argument to qFatal might lead to crashes on certain platforms due to the platforms printf implementation. \sa qDebug(), qWarning(), qInstallMsgHandler(), \link debug.html Debugging\endlink */ static QtMsgHandler handler = 0; // pointer to debug handler static const int QT_BUFFER_LENGTH = 8196; // internal buffer length #ifdef Q_OS_MAC -const unsigned char * p_str(const char * c, int len=-1) +QString cfstring2qstring(CFStringRef str) +{ + CFIndex length = CFStringGetLength(str); + if(const UniChar *chars = CFStringGetCharactersPtr(str)) + return QString((QChar *)chars, length); + UniChar *buffer = (UniChar*)malloc(length * sizeof(UniChar)); + CFStringGetCharacters(str, CFRangeMake(0, length), buffer); + QString ret((QChar *)buffer, length); + free(buffer); + return ret; +} + +unsigned char * p_str(const char * c, int len=-1) { const int maxlen = 255; if(len == -1) len = qstrlen(c); if(len > maxlen) { qWarning( "p_str len must never exceed %d", maxlen ); len = maxlen; } unsigned char *ret = (unsigned char*)malloc(len+2); *ret=len; memcpy(((char *)ret)+1,c,len); *(ret+len+1) = '\0'; return ret; } -const unsigned char * p_str(const QString &s) +unsigned char * p_str(const QString &s) { return p_str(s, s.length()); } QCString p2qstring(const unsigned char *c) { char *arr = (char *)malloc(c[0] + 1); memcpy(arr, c+1, c[0]); arr[c[0]] = '\0'; QCString ret = arr; delete arr; return ret; } #endif #ifdef Q_CC_MWERKS #include "qt_mac.h" extern bool qt_is_gui_used; static void mac_default_handler( const char *msg ) { if ( qt_is_gui_used ) { const char *p = p_str(msg); DebugStr(p); free(p); } else { fprintf( stderr, msg ); } } #endif void qDebug( const char *msg, ... ) { char buf[QT_BUFFER_LENGTH]; va_list ap; va_start( ap, msg ); // use variable arg list if ( handler ) { #if defined(QT_VSNPRINTF) QT_VSNPRINTF( buf, QT_BUFFER_LENGTH, msg, ap ); #else vsprintf( buf, msg, ap ); #endif va_end( ap ); (*handler)( QtDebugMsg, buf ); } else { #if defined(Q_CC_MWERKS) vsprintf( buf, msg, ap ); // ### is there no vsnprintf()? va_end( ap ); mac_default_handler(buf); #else vfprintf( stderr, msg, ap ); va_end( ap ); fprintf( stderr, "\n" ); // add newline #endif } } // copied... this looks really bad. void debug( const char *msg, ... ) { char buf[QT_BUFFER_LENGTH]; va_list ap; va_start( ap, msg ); // use variable arg list if ( handler ) { #if defined(QT_VSNPRINTF) QT_VSNPRINTF( buf, QT_BUFFER_LENGTH, msg, ap ); #else vsprintf( buf, msg, ap ); #endif va_end( ap ); (*handler)( QtDebugMsg, buf ); } else { #ifdef Q_CC_MWERKS vsprintf( buf, msg, ap ); // ### is there no vsnprintf()? va_end( ap ); mac_default_handler(buf); #else vfprintf( stderr, msg, ap ); va_end( ap ); fprintf( stderr, "\n" ); // add newline #endif } } void qWarning( const char *msg, ... ) { char buf[QT_BUFFER_LENGTH]; va_list ap; va_start( ap, msg ); // use variable arg list if ( handler ) { #if defined(QT_VSNPRINTF) QT_VSNPRINTF( buf, QT_BUFFER_LENGTH, msg, ap ); #else vsprintf( buf, msg, ap ); #endif va_end( ap ); (*handler)( QtWarningMsg, buf ); } else { #ifdef Q_CC_MWERKS vsprintf( buf, msg, ap ); // ### is there no vsnprintf()? va_end( ap ); mac_default_handler(buf); #else vfprintf( stderr, msg, ap ); va_end( ap ); fprintf( stderr, "\n" ); // add newline #endif } } // again, copied void warning( const char *msg, ... ) { char buf[QT_BUFFER_LENGTH]; va_list ap; va_start( ap, msg ); // use variable arg list if ( handler ) { #if defined(QT_VSNPRINTF) QT_VSNPRINTF( buf, QT_BUFFER_LENGTH, msg, ap ); #else vsprintf( buf, msg, ap ); #endif va_end( ap ); (*handler)( QtWarningMsg, buf ); } else { #ifdef Q_CC_MWERKS vsprintf( buf, msg, ap ); // ### is there no vsnprintf()? va_end( ap ); mac_default_handler(buf); #else vfprintf( stderr, msg, ap ); va_end( ap ); fprintf( stderr, "\n" ); // add newline #endif } } void qFatal( const char *msg, ... ) { char buf[QT_BUFFER_LENGTH]; va_list ap; va_start( ap, msg ); // use variable arg list if ( handler ) { #if defined(QT_VSNPRINTF) QT_VSNPRINTF( buf, QT_BUFFER_LENGTH, msg, ap ); #else vsprintf( buf, msg, ap ); #endif va_end( ap ); (*handler)( QtFatalMsg, buf ); } else { #ifdef Q_CC_MWERKS vsprintf( buf, msg, ap ); // ### is there no vsnprintf()? va_end( ap ); mac_default_handler(buf); #else vfprintf( stderr, msg, ap ); va_end( ap ); fprintf( stderr, "\n" ); // add newline #endif #if defined(Q_OS_UNIX) && defined(QT_DEBUG) abort(); // trap; generates core dump #else exit( 1 ); // goodbye cruel world #endif } } // yet again, copied void fatal( const char *msg, ... ) { char buf[QT_BUFFER_LENGTH]; va_list ap; va_start( ap, msg ); // use variable arg list if ( handler ) { #if defined(QT_VSNPRINTF) QT_VSNPRINTF( buf, QT_BUFFER_LENGTH, msg, ap ); #else vsprintf( buf, msg, ap ); #endif va_end( ap ); (*handler)( QtFatalMsg, buf ); } else { #ifdef Q_CC_MWERKS vsprintf( buf, msg, ap ); // ### is there no vsnprintf()? va_end( ap ); mac_default_handler(buf); #else vfprintf( stderr, msg, ap ); va_end( ap ); fprintf( stderr, "\n" ); // add newline #endif #if defined(Q_OS_UNIX) && defined(QT_DEBUG) abort(); // trap; generates core dump #else exit( 1 ); // goodbye cruel world #endif } } /*! \relates QApplication Prints the message \a msg and uses \a code to get a system specific error message. When \a code is -1 (the default), the system's last error code will be used if possible. Use this method to handle failures in platform specific API calls. This function does nothing when Qt is built with \c QT_NO_DEBUG defined. */ void qSystemWarning( const char* msg, int code ) { #ifndef QT_NO_DEBUG #if defined(Q_OS_WIN32) if ( code == -1 ) code = GetLastError(); if ( !code ) return; #ifdef Q_OS_TEMP unsigned short *string; FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, NULL, code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&string, 0, NULL ); qWarning( "%s\n\tError code %d - %s (###may need fixing in qglobal.h)", msg, code, (const char *)string ); #else char* string; FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, NULL, code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char*)&string, 0, NULL ); qWarning( "%s\n\tError code %d - %s", msg, code, (const char*)string ); #endif LocalFree( (HLOCAL)string ); #else if ( code != -1 ) qWarning( "%s\n\tError code %d - %s", msg, code, strerror( code ) ); else qWarning( msg ); #endif #endif } /*! \fn void Q_ASSERT( bool test ) \relates QApplication Prints a warning message containing the source code file name and line number if \a test is FALSE. This is really a macro defined in \c qglobal.h. Q_ASSERT is useful for testing pre- and post-conditions. Example: \code // // File: div.cpp // #include <qglobal.h> int divide( int a, int b ) { Q_ASSERT( b != 0 ); // this is line 9 return a/b; } \endcode If \c b is zero, the Q_ASSERT statement will output the following message using the qWarning() function: \code ASSERT: "b == 0" in div.cpp (9) \endcode \sa qWarning(), \link debug.html Debugging\endlink */ /*! \fn void Q_CHECK_PTR( void *p ) \relates QApplication - If \a p is null, a fatal messages says that the program ran out of - memory and exits. If \e p is not null, nothing happens. + If \a p is 0, a fatal messages says that the program ran out of + memory and exits. If \e p is not 0, nothing happens. This is really a macro defined in \c qglobal.h. Example: \code int *a; Q_CHECK_PTR( a = new int[80] ); // WRONG! - a = new int[80]; // Right + a = new (nothrow) int[80]; // Right Q_CHECK_PTR( a ); \endcode \sa qFatal(), \link debug.html Debugging\endlink */ // // The Q_CHECK_PTR macro calls this function to check if an allocation went ok. // #if (QT_VERSION-0 >= 0x040000) #if defined(Q_CC_GNU) #warning "Change Q_CHECK_PTR to '{if ((p)==0) qt_check_pointer(__FILE__,__LINE__);}'" #warning "No need for qt_check_pointer() to return a value - make it void!" #endif #endif bool qt_check_pointer( bool c, const char *n, int l ) { if ( c ) qWarning( "In file %s, line %d: Out of memory", n, l ); return TRUE; } static bool firstObsoleteWarning(const char *obj, const char *oldfunc ) { static QAsciiDict<int> *obsoleteDict = 0; if ( !obsoleteDict ) { // first time func is called obsoleteDict = new QAsciiDict<int>; #if defined(QT_DEBUG) qDebug( "You are using obsolete functions in the Qt library. Call the function\n" "qSuppressObsoleteWarnings() to suppress obsolete warnings.\n" ); #endif } QCString s( obj ); s += "::"; s += oldfunc; if ( obsoleteDict->find(s.data()) == 0 ) { obsoleteDict->insert( s.data(), (int*)1 ); // anything different from 0 return TRUE; } return FALSE; } static bool suppressObsolete = FALSE; void qSuppressObsoleteWarnings( bool suppress ) { suppressObsolete = suppress; } void qObsolete( const char *obj, const char *oldfunc, const char *newfunc ) { if ( suppressObsolete ) return; if ( !firstObsoleteWarning(obj, oldfunc) ) return; if ( obj ) qDebug( "%s::%s: This function is obsolete, use %s instead.", obj, oldfunc, newfunc ); else qDebug( "%s: This function is obsolete, use %s instead.", oldfunc, newfunc ); } void qObsolete( const char *obj, const char *oldfunc ) { if ( suppressObsolete ) return; if ( !firstObsoleteWarning(obj, oldfunc) ) return; if ( obj ) qDebug( "%s::%s: This function is obsolete.", obj, oldfunc ); else qDebug( "%s: This function is obsolete.", oldfunc ); } void qObsolete( const char *message ) { if ( suppressObsolete ) return; if ( !firstObsoleteWarning( "Qt", message) ) return; qDebug( "%s", message ); } /*! \relates QApplication Installs a Qt message handler \a h. Returns a pointer to the message handler previously defined. The message handler is a function that prints out debug messages, warnings and fatal error messages. The Qt library (debug version) contains hundreds of warning messages that are printed when internal errors (usually invalid function arguments) occur. If you implement your own message handler, you get total control of these messages. The default message handler prints the message to the standard output under X11 or to the debugger under Windows. If it is a fatal message, the application aborts immediately. Only one message handler can be defined, since this is usually done on an application-wide basis to control debug output. To restore the message handler, call \c qInstallMsgHandler(0). Example: \code #include <qapplication.h> #include <stdio.h> #include <stdlib.h> void myMessageOutput( QtMsgType type, const char *msg ) { switch ( type ) { case QtDebugMsg: fprintf( stderr, "Debug: %s\n", msg ); break; case QtWarningMsg: fprintf( stderr, "Warning: %s\n", msg ); break; case QtFatalMsg: fprintf( stderr, "Fatal: %s\n", msg ); abort(); // deliberately core dump } } int main( int argc, char **argv ) { qInstallMsgHandler( myMessageOutput ); QApplication a( argc, argv ); ... return a.exec(); } \endcode \sa qDebug(), qWarning(), qFatal(), \link debug.html Debugging\endlink */ QtMsgHandler qInstallMsgHandler( QtMsgHandler h ) { QtMsgHandler old = handler; handler = h; return old; } /* Dijkstra's bisection algorithm to find the square root as an integer. Deliberately not exported as part of the Qt API, but used in both qsimplerichtext.cpp and qgfxraster_qws.cpp */ unsigned int qt_int_sqrt( unsigned int n ) { // n must be in the range 0...UINT_MAX/2-1 if ( n >= ( UINT_MAX>>2 ) ) { unsigned int r = 2 * qt_int_sqrt( n / 4 ); unsigned int r2 = r + 1; return ( n >= r2 * r2 ) ? r2 : r; } uint h, p= 0, q= 1, r= n; while ( q <= n ) q <<= 2; while ( q != 1 ) { q >>= 2; h= p + q; p >>= 1; if ( r >= h ) { p += q; r -= h; } } return p; } |