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Diffstat (limited to 'tqtinterface/qt4/src/kernel/tqprinter_unix.cpp')
| -rw-r--r-- | tqtinterface/qt4/src/kernel/tqprinter_unix.cpp | 853 |
1 files changed, 0 insertions, 853 deletions
diff --git a/tqtinterface/qt4/src/kernel/tqprinter_unix.cpp b/tqtinterface/qt4/src/kernel/tqprinter_unix.cpp deleted file mode 100644 index 8094686..0000000 --- a/tqtinterface/qt4/src/kernel/tqprinter_unix.cpp +++ /dev/null @@ -1,853 +0,0 @@ -/**************************************************************************** -** -** Implementation of TQPrinter class for Unix -** -** Created : 950810 -** -** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA. -** -** This file is part of the kernel module of the TQt GUI Toolkit. -** -** This file may be used under the terms of the GNU General -** Public License versions 2.0 or 3.0 as published by the Free -** Software Foundation and appearing in the files LICENSE.GPL2 -** and LICENSE.GPL3 included in the packaging of this file. -** Alternatively you may (at your option) use any later version -** of the GNU General Public License if such license has been -** publicly approved by Trolltech ASA (or its successors, if any) -** and the KDE Free TQt Foundation. -** -** Please review the following information to ensure GNU General -** Public Licensing requirements will be met: -** http://trolltech.com/products/qt/licenses/licensing/opensource/. -** If you are unsure which license is appropriate for your use, please -** review the following information: -** http://trolltech.com/products/qt/licenses/licensing/licensingoverview -** or contact the sales department at sales@trolltech.com. -** -** This file may be used under the terms of the Q Public License as -** defined by Trolltech ASA and appearing in the file LICENSE.TQPL -** included in the packaging of this file. Licensees holding valid TQt -** Commercial licenses may use this file in accordance with the TQt -** Commercial License Agreement provided with the Software. -** -** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, -** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted -** herein. -** -**********************************************************************/ - -#include "tqplatformdefs.h" - -// POSIX Large File Support redefines open -> open64 -static inline int qt_open(const char *pathname, int flags, mode_t mode) -{ return ::open(pathname, flags, mode); } -#if defined(open) -# undef open -#endif - -#include "tqprinter.h" - -#ifndef TQT_NO_PRINTER - -#include "tqpaintdevicemetrics.h" -#include "tqpsprinter_p.h" -#include "tqprintdialog.h" -#include "tqapplication.h" -#include "tqprinter_p.h" - -#include <unistd.h> // For ::sleep() -#include <stdlib.h> - -#ifdef USE_QT4 - -/*! - \internal - Handles painter commands to the printer. -*/ - -bool TQPrinter::cmd( int c, TQPainter *paint, TQPDevCmdParam *p ) -{ - #warning FIXME [TQPrinter::cmd] - // [FIXME] - printf("[WARNING] TQPrinter::cmd unimplemented\n\r"); - -// if ( c == PdcBegin ) { -// if ( state == PST_IDLE ) { -// if ( output_file ) { -// int fd = 0; -// fd = qt_open( output_filename.local8Bit(), -// O_CREAT | O_NOCTTY | O_TRUNC | O_WRONLY, -// 0666 ); -// if ( fd >= 0 ) { -// pdrv = new TQPSPrinter( this, fd ); -// state = PST_ACTIVE; -// } -// } else { -// TQString pr; -// if ( printer_name ) -// pr = printer_name; -// TQApplication::flushX(); -// int fds[2]; -// if ( pipe( fds ) != 0 ) { -// qWarning( "TQPSPrinter: could not open pipe to print" ); -// state = PST_ERROR; -// return FALSE; -// } -// -// // ### shouldn't we use TQProcess here???? -// #if 0 && defined(TQ_OS_OS2EMX) -// // this code is still not used, and maybe it's not -// // usable either, any more. if you want to use it, -// // you may need to fix it first. -// -// // old comment: -// -// // this code is usable but not in use. spawn() is -// // preferable to fork()/exec() for very large -// // programs. if fork()/exec() is a problem and you -// // use OS/2, remove '0 && ' from the #if. -// int tmp; -// tmp = dup(0); -// dup2( fds[0], 0 ); -// ::close( fds[0] ); -// fcntl(tmp, F_SETFD, FD_CLOEXEC); -// fcntl(fds[1], F_SETFD, FD_CLOEXEC); -// if ( option_string ) -// pr.prepend( option_string ); -// else -// pr.prepend( "-P" ); // ### -// if ( spawnlp(P_NOWAIT,print_prog.data(), print_prog.data(), -// pr.data(), output->name(), 0) == -1 ) { -// ; // couldn't exec, ignored -// } -// dup2( tmp, 0 ); -// ::close( tmp ); -// pdrv = new TQPSPrinter( this, fds[1] ); -// state = PST_ACTIVE; -// #else -// pid = fork(); -// if ( pid == 0 ) { // child process -// // if possible, exit quickly, so the actual lp/lpr -// // becomes a child of init, and ::waitpid() is -// // guaranteed not to wait. -// if ( fork() > 0 ) { -// closeAllOpenFds(); -// -// // try to replace this process with "true" - this prevents -// // global destructors from being called (that could possibly -// // do wrong things to the parent process) -// (void)execlp("true", "true", (char *)0); -// (void)execl("/bin/true", "true", (char *)0); -// (void)execl("/usr/bin/true", "true", (char *)0); -// ::exit( 0 ); -// } -// dup2( fds[0], 0 ); -// -// closeAllOpenFds(); -// -// if ( print_prog ) { -// if ( option_string ) -// pr.prepend( option_string ); -// else -// pr.prepend( TQString::tqfromLatin1( "-P" ) ); -// (void)execlp( print_prog.ascii(), print_prog.ascii(), -// pr.ascii(), (char *)0 ); -// } else { -// // if no print program has been specified, be smart -// // about the option string too. -// TQStringList lprhack; -// TQStringList lphack; -// TQString media; -// if ( pr || option_string ) { -// if ( option_string ) { -// lprhack = TQStringList::split(TQChar(' '), option_string); -// lphack = lprhack; -// } else { -// lprhack.append( TQString::tqfromLatin1( "-P" ) ); -// lphack.append( TQString::tqfromLatin1( "-d" ) ); -// } -// lprhack.append(pr); -// lphack.append(pr); -// } -// char ** lpargs = new char *[lphack.size()+6]; -// lpargs[0] = "lp"; -// uint i; -// for (i = 0; i < lphack.size(); ++i) -// lpargs[i+1] = (char *)lphack[i].ascii(); -// #ifndef TQ_OS_OSF -// if (psToStr[page_size]) { -// lpargs[++i] = "-o"; -// lpargs[++i] = (char *)psToStr[page_size]; -// lpargs[++i] = "-o"; -// media = "media="; -// media += psToStr[page_size]; -// lpargs[++i] = (char *)media.ascii(); -// } -// #endif -// lpargs[++i] = 0; -// char **lprargs = new char *[lprhack.size()+1]; -// lprargs[0] = "lpr"; -// for (uint x = 0; x < lprhack.size(); ++x) -// lprargs[x+1] = (char *)lprhack[x].ascii(); -// lprargs[lprhack.size() + 1] = 0; -// (void)execvp( "lp", lpargs ); -// (void)execvp( "lpr", lprargs ); -// (void)execv( "/bin/lp", lpargs); -// (void)execv( "/bin/lpr", lprargs); -// (void)execv( "/usr/bin/lp", lpargs); -// (void)execv( "/usr/bin/lpr", lprargs); -// } -// // if we couldn't exec anything, close the fd, -// // wait for a second so the parent process (the -// // child of the GUI process) has exited. then -// // exit. -// ::close( 0 ); -// (void)::sleep( 1 ); -// ::exit( 0 ); -// } else { // parent process -// ::close( fds[0] ); -// pdrv = new TQPSPrinter( this, fds[1] ); -// state = PST_ACTIVE; -// } -// #endif // else part of TQ_OS_OS2EMX -// } -// if ( state == PST_ACTIVE && pdrv ) -// return ((TQPSPrinter*)pdrv)->cmd( c, paint, p ); -// } else { -// // ignore it? I don't know -// } -// } else { -// bool r = FALSE; -// if ( state == PST_ACTIVE && pdrv ) { -// r = ((TQPSPrinter*)pdrv)->cmd( c, paint, p ); -// if ( c == PdcEnd ) { -// state = PST_IDLE; -// delete pdrv; -// pdrv = 0; -// if ( pid ) { -// (void)::waitpid( pid, 0, 0 ); -// pid = 0; -// } -// } -// } else if ( state == PST_ABORTED && c == PdcEnd ) -// state = PST_IDLE; -// return r; -// } -// return TRUE; -} - -#else // USE_QT4 - -// NOT REVISED - - -class TQPrinterUnixPrivate : public TQPrinterPrivate -{ -public: - bool marginsSpecified; - uint topMargin; - uint leftMargin; - uint bottomMargin; - uint rightMargin; -}; - -#define D ( (TQPrinterUnixPrivate*) d ) - -/***************************************************************************** - TQPrinter member functions - *****************************************************************************/ - -// TQPrinter states - -#define PST_IDLE 0 -#define PST_ACTIVE 1 -#define PST_ERROR 2 -#define PST_ABORTED 3 - -// Default values for TQPrinter members - -struct PrinterDefaults { - TQString printerName; - bool outputToFile; - TQString outputFileName; - TQPrinter::Orientation orientation; - TQPrinter::PageSize pageSize; - TQPrinter::PageOrder pageOrder; - TQPrinter::ColorMode colorMode; - int numCopies; -}; - -static PrinterDefaults * globalPrinterDefaults = 0; - -/*! - Constructs a printer paint tqdevice with mode \a m. - - \sa TQPrinter::PrinterMode -*/ - -TQPrinter::TQPrinter( PrinterMode m ) - : TQPaintDevice( TQInternal::Printer | TQInternal::ExternalDevice ) -{ - pdrv = 0; - pid = 0; - orient = Portrait; - page_size = A4; - page_order = FirstPageFirst; - color_mode = GrayScale; - ncopies = 1; - printer_name = getenv("PRINTER"); - from_pg = to_pg = min_pg = max_pg = 0; - state = PST_IDLE; - output_file = FALSE; - to_edge = FALSE; - paper_source = OnlyOne; - switch ( m ) { - case ScreenResolution: -#ifdef TQ_WS_TQWS - res = 72; -#else - res = TQPaintDevice::x11AppDpiY(); -#endif - break; - case Compatible: - case PrinterResolution: - res = 72; - break; - case HighResolution: - res = 600; - } - - d = new TQPrinterUnixPrivate; - D->marginsSpecified = FALSE; - d->printerOptions = 0; - setOptionEnabled( PrintToFile, TRUE ); - setOptionEnabled( PrintPageRange, TRUE ); - setPrintRange( AllPages ); -} - -/*! - Destroys the printer paint tqdevice and cleans up. -*/ - -TQPrinter::~TQPrinter() -{ - delete pdrv; - if ( pid ) { - (void)::kill( pid, 6 ); - (void)::wait( 0 ); - pid = 0; - } - delete d; -} - - -/*! - Advances to a new page on the printer. Returns TRUE if successful; - otherwise returns FALSE. -*/ - -bool TQPrinter::newPage() -{ - if ( state == PST_ACTIVE && pdrv ) - return ((TQPSPrinter*)pdrv)->cmd( TQPSPrinter::NewPage, 0, 0 ); - return FALSE; -} - - -/*! - Aborts the print job. Returns TRUE if successful; otherwise - returns FALSE. - - \sa aborted() -*/ - -bool TQPrinter::abort() -{ - if ( state == PST_ACTIVE && pdrv ) { - ((TQPSPrinter*)pdrv)->cmd( TQPSPrinter::AbortPrinting, 0, 0 ); - state = PST_ABORTED; - if ( pid ) { - (void)::kill( pid, 6 ); - (void)::wait( 0 ); - pid = 0; - } - } - return state == PST_ABORTED; -} - -/*! - Returns TRUE if the print job was aborted; otherwise returns - FALSE. - - \sa abort() -*/ - -bool TQPrinter::aborted() const -{ - return state == PST_ABORTED; -} - -/*! - Sets the printer name to \a name. - - The default printer will be used if no printer name is set. - - Under X11, the \c PRINTER environment variable defines the default - printer. Under any other window system, the window system defines - the default printer. - - \sa printerName() -*/ - -void TQPrinter::setPrinterName( const TQString &name ) -{ - if ( state != 0 ) { -#if defined(TQT_CHECK_STATE) - qWarning( "TQPrinter::setPrinterName: Cannot do this during printing" ); -#endif - return; - } - printer_name = name; -} - -static void deleteGlobalPrinterDefaults() -{ - delete globalPrinterDefaults; - globalPrinterDefaults = 0; -} - -/*! - Opens a printer setup dialog, with parent \a parent, and asks the - user to specify which printer they wish to use and what settings - it should have. - - Returns TRUE if the user pressed "OK" to print, or FALSE if the - user canceled the operation. -*/ - -bool TQPrinter::setup( TQWidget * parent ) -{ -#ifndef TQT_NO_PRINTDIALOG - bool result = TQPrintDialog::getPrinterSetup( this, parent ); -#else - bool result = FALSE; -#endif - if ( result ) { - if ( !globalPrinterDefaults ) { - globalPrinterDefaults = new PrinterDefaults; - qAddPostRoutine( deleteGlobalPrinterDefaults ); - } - globalPrinterDefaults->printerName = printerName(); - globalPrinterDefaults->outputToFile = outputToFile(); - globalPrinterDefaults->outputFileName = outputFileName(); - globalPrinterDefaults->orientation = orientation(); - globalPrinterDefaults->pageSize = pageSize(); - globalPrinterDefaults->pageOrder = pageOrder(); - globalPrinterDefaults->colorMode = colorMode(); - } - return result; -} - -static void closeAllOpenFds() -{ - // hack time... getting the maximum number of open - // files, if possible. if not we assume it's the - // larger of 256 and the fd we got - int i; -#if defined(TQ_OS_OS2EMX) - LONG req_count = 0; - ULONG rc, handle_count; - rc = DosSetRelMaxFH (&req_count, &handle_count); - /* if (rc != NO_ERROR) ... */ - i = (int)handle_count; -#elif defined(_SC_OPEN_MAX) - i = (int)sysconf( _SC_OPEN_MAX ); -#elif defined(_POSIX_OPEN_MAX) - i = (int)_POSIX_OPEN_MAX; -#elif defined(OPEN_MAX) - i = (int)OPEN_MAX; -#else - i = TQMAX( 256, fds[0] ); -#endif // TQ_OS_OS2EMX // ways-to-set i - while( --i > 0 ) - ::close( i ); -} - - - -static const char * const psToStr[TQPrinter::NPageSize+1] = -{ "A4", "B5", "Letter", "Legal", "Executive", - "A0", "A1", "A2", "A3", "A5", "A6", "A7", "A8", "A9", "B0", "B1", - "B10", "B2", "B3", "B4", "B6", "B7", "B8", "B9", "C5E", "Comm10E", - "DLE", "Folio", "Ledger", "Tabloid", 0 -}; - - -/*! - \internal - Handles painter commands to the printer. -*/ - -bool TQPrinter::cmd( int c, TQPainter *paint, TQPDevCmdParam *p ) -{ - if ( c == PdcBegin ) { - if ( state == PST_IDLE ) { - if ( output_file ) { - int fd = 0; - fd = qt_open( output_filename.local8Bit(), - O_CREAT | O_NOCTTY | O_TRUNC | O_WRONLY, - 0666 ); - if ( fd >= 0 ) { - pdrv = new TQPSPrinter( this, fd ); - state = PST_ACTIVE; - } - } else { - TQString pr; - if ( printer_name ) - pr = printer_name; - TQApplication::flushX(); - int fds[2]; - if ( pipe( fds ) != 0 ) { - qWarning( "TQPSPrinter: could not open pipe to print" ); - state = PST_ERROR; - return FALSE; - } - -// ### shouldn't we use TQProcess here???? -#if 0 && defined(TQ_OS_OS2EMX) - // this code is still not used, and maybe it's not - // usable either, any more. if you want to use it, - // you may need to fix it first. - - // old comment: - - // this code is usable but not in use. spawn() is - // preferable to fork()/exec() for very large - // programs. if fork()/exec() is a problem and you - // use OS/2, remove '0 && ' from the #if. - int tmp; - tmp = dup(0); - dup2( fds[0], 0 ); - ::close( fds[0] ); - fcntl(tmp, F_SETFD, FD_CLOEXEC); - fcntl(fds[1], F_SETFD, FD_CLOEXEC); - if ( option_string ) - pr.prepend( option_string ); - else - pr.prepend( "-P" ); // ### - if ( spawnlp(P_NOWAIT,print_prog.data(), print_prog.data(), - pr.data(), output->name(), 0) == -1 ) { - ; // couldn't exec, ignored - } - dup2( tmp, 0 ); - ::close( tmp ); - pdrv = new TQPSPrinter( this, fds[1] ); - state = PST_ACTIVE; -#else - pid = fork(); - if ( pid == 0 ) { // child process - // if possible, exit quickly, so the actual lp/lpr - // becomes a child of init, and ::waitpid() is - // guaranteed not to wait. - if ( fork() > 0 ) { - closeAllOpenFds(); - - // try to replace this process with "true" - this prevents - // global destructors from being called (that could possibly - // do wrong things to the parent process) - (void)execlp("true", "true", (char *)0); - (void)execl("/bin/true", "true", (char *)0); - (void)execl("/usr/bin/true", "true", (char *)0); - ::exit( 0 ); - } - dup2( fds[0], 0 ); - - closeAllOpenFds(); - - if ( print_prog ) { - if ( option_string ) - pr.prepend( option_string ); - else - pr.prepend( TQString::tqfromLatin1( "-P" ) ); - (void)execlp( print_prog.ascii(), print_prog.ascii(), - pr.ascii(), (char *)0 ); - } else { - // if no print program has been specified, be smart - // about the option string too. - TQStringList lprhack; - TQStringList lphack; - TQString media; - if ( pr || option_string ) { - if ( option_string ) { - lprhack = TQStringList::split(TQChar(' '), option_string); - lphack = lprhack; - } else { - lprhack.append( TQString::tqfromLatin1( "-P" ) ); - lphack.append( TQString::tqfromLatin1( "-d" ) ); - } - lprhack.append(pr); - lphack.append(pr); - } - char ** lpargs = new char *[lphack.size()+6]; - lpargs[0] = "lp"; - uint i; - for (i = 0; i < lphack.size(); ++i) - lpargs[i+1] = (char *)lphack[i].ascii(); -#ifndef TQ_OS_OSF - if (psToStr[page_size]) { - lpargs[++i] = "-o"; - lpargs[++i] = (char *)psToStr[page_size]; - lpargs[++i] = "-o"; - media = "media="; - media += psToStr[page_size]; - lpargs[++i] = (char *)media.ascii(); - } -#endif - lpargs[++i] = 0; - char **lprargs = new char *[lprhack.size()+1]; - lprargs[0] = "lpr"; - for (uint x = 0; x < lprhack.size(); ++x) - lprargs[x+1] = (char *)lprhack[x].ascii(); - lprargs[lprhack.size() + 1] = 0; - (void)execvp( "lp", lpargs ); - (void)execvp( "lpr", lprargs ); - (void)execv( "/bin/lp", lpargs); - (void)execv( "/bin/lpr", lprargs); - (void)execv( "/usr/bin/lp", lpargs); - (void)execv( "/usr/bin/lpr", lprargs); - } - // if we couldn't exec anything, close the fd, - // wait for a second so the parent process (the - // child of the GUI process) has exited. then - // exit. - ::close( 0 ); - (void)::sleep( 1 ); - ::exit( 0 ); - } else { // parent process - ::close( fds[0] ); - pdrv = new TQPSPrinter( this, fds[1] ); - state = PST_ACTIVE; - } -#endif // else part of TQ_OS_OS2EMX - } - if ( state == PST_ACTIVE && pdrv ) - return ((TQPSPrinter*)pdrv)->cmd( c, paint, p ); - } else { - // ignore it? I don't know - } - } else { - bool r = FALSE; - if ( state == PST_ACTIVE && pdrv ) { - r = ((TQPSPrinter*)pdrv)->cmd( c, paint, p ); - if ( c == PdcEnd ) { - state = PST_IDLE; - delete pdrv; - pdrv = 0; - if ( pid ) { - (void)::waitpid( pid, 0, 0 ); - pid = 0; - } - } - } else if ( state == PST_ABORTED && c == PdcEnd ) - state = PST_IDLE; - return r; - } - return TRUE; -} - - -#define MM(n) int((n * 720 + 127) / 254) -#define IN(n) int(n * 72) - -struct PaperSize { - int width, height; -}; - -static const PaperSize paperSizes[TQPrinter::NPageSize] = -{ - { MM(210), MM(297) }, // A4 - { MM(176), MM(250) }, // B5 - { IN(8.5), IN(11) }, // Letter - { IN(8.5), IN(14) }, // Legal - { IN(7.5), IN(10) }, // Executive - { MM(841), MM(1189) }, // A0 - { MM(594), MM(841) }, // A1 - { MM(420), MM(594) }, // A2 - { MM(297), MM(420) }, // A3 - { MM(148), MM(210) }, // A5 - { MM(105), MM(148) }, // A6 - { MM(74), MM(105)}, // A7 - { MM(52), MM(74) }, // A8 - { MM(37), MM(52) }, // A9 - { MM(1000), MM(1414) }, // B0 - { MM(707), MM(1000) }, // B1 - { MM(31), MM(44) }, // B10 - { MM(500), MM(707) }, // B2 - { MM(353), MM(500) }, // B3 - { MM(250), MM(353) }, // B4 - { MM(125), MM(176) }, // B6 - { MM(88), MM(125) }, // B7 - { MM(62), MM(88) }, // B8 - { MM(44), MM(62) }, // B9 - { MM(162), MM(229) }, // C5E - { IN(4.125), IN(9.5) }, // Comm10E - { MM(110), MM(220) }, // DLE - { IN(8.5), IN(13) }, // Folio - { IN(17), IN(11) }, // Ledger - { IN(11), IN(17) } // Tabloid -}; - -/*! - Internal implementation of the virtual TQPaintDevice::metric() function. - - Use the TQPaintDeviceMetrics class instead. - - \internal - Hard coded return values for PostScript under X. -*/ - -int TQPrinter::metric( int m ) const -{ - int val; - PageSize s = pageSize(); -#if defined(TQT_CHECK_RANGE) - TQ_ASSERT( (uint)s < (uint)NPageSize ); -#endif - switch ( m ) { - case TQPaintDeviceMetrics::PdmWidth: - val = orient == Portrait ? paperSizes[s].width : paperSizes[s].height; - if ( res != 72 ) - val = (val * res + 36) / 72; - if ( !fullPage() ) { - if ( D->marginsSpecified ) - val -= D->leftMargin + D->rightMargin; - else - val -= 2*margins().width(); - } - break; - case TQPaintDeviceMetrics::PdmHeight: - val = orient == Portrait ? paperSizes[s].height : paperSizes[s].width; - if ( res != 72 ) - val = (val * res + 36) / 72; - if ( !fullPage() ) { - if ( D->marginsSpecified ) - val -= D->topMargin + D->bottomMargin; - else - val -= 2*margins().height(); - } - break; - case TQPaintDeviceMetrics::PdmDpiX: - val = res; - break; - case TQPaintDeviceMetrics::PdmDpiY: - val = res; - break; - case TQPaintDeviceMetrics::PdmPhysicalDpiX: - case TQPaintDeviceMetrics::PdmPhysicalDpiY: - val = 72; - break; - case TQPaintDeviceMetrics::PdmWidthMM: - // double rounding error here. hooray. - val = metric( TQPaintDeviceMetrics::PdmWidth ); - val = (val * 254 + 5*res) / (10*res); - break; - case TQPaintDeviceMetrics::PdmHeightMM: - val = metric( TQPaintDeviceMetrics::PdmHeight ); - val = (val * 254 + 5*res) / (10*res); - break; - case TQPaintDeviceMetrics::PdmNumColors: - val = 16777216; - break; - case TQPaintDeviceMetrics::PdmDepth: - val = 24; - break; - default: - val = 0; -#if defined(TQT_CHECK_RANGE) - qWarning( "TQPixmap::metric: Invalid metric command" ); -#endif - } - return val; -} - - -/*! - Returns the width of the left margin and the height of the top - margin of the printer. On Unix, this is a best-effort guess, not - based on perfect knowledge. - - If you have called setFullPage( TRUE ), margins().width() may be - treated as the smallest sane left margin you can use, and - margins().height() as the smallest sane top margin you can - use. - - If you have called setFullPage( FALSE ) (this is the default), - margins() is automatically subtracted from the pageSize() by - TQPrinter. - - \sa setFullPage() TQPaintDeviceMetrics PageSize -*/ -TQSize TQPrinter::margins() const -{ - if ( D->marginsSpecified ) - return TQSize( D->leftMargin, D->topMargin ); - - if (orient == Portrait) - return TQSize( res/2, res/3 ); - - return TQSize( res/3, res/2 ); -} - -/*! - \overload - - Sets \a top, \a left, \a bottom and \a right to the margins of the - printer. On Unix, this is a best-effort guess, not based on - perfect knowledge. - - If you have called setFullPage( TRUE ), the four values specify - the smallest sane margins you can use. - - If you have called setFullPage( FALSE ) (this is the default), - the margins are automatically subtracted from the pageSize() by - TQPrinter. - - \sa setFullPage() TQPaintDeviceMetrics PageSize -*/ -void TQPrinter::margins( uint *top, uint *left, uint *bottom, uint *right ) const -{ - if ( !D->marginsSpecified ) { - int x = orient == Portrait ? res/2 : res/3; - int y = orient == Portrait ? res/3 : res/2; - *top = *bottom = y; - *left = *right = x; - } else { - *top = D->topMargin; - *left = D->leftMargin; - *bottom = D->bottomMargin; - *right = D->rightMargin; - } -} - -/*! - Sets the printer margins to the sizes specified in \a top, \a left, - \a bottom and \a right. - - This function currently only has an effect on Unix systems. - - \sa margins() -*/ -void TQPrinter::setMargins( uint top, uint left, uint bottom, uint right ) -{ - D->topMargin = top; - D->leftMargin = left; - D->bottomMargin = bottom; - D->rightMargin = right; - D->marginsSpecified = TRUE; -} - -#endif // USE_QT4 - -#endif
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