<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/mdi/mdi.doc:4 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>An MDI Application</title> <style type="text/css"><!-- fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>An MDI Application</h1> <p> This example program is just like the application example, except that it provides a Multiple Document Interface (MDI). <p> <hr> <p> Header file: <p> <pre>/**************************************************************************** ** $Id: qt/application.h 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #ifndef APPLICATION_H #define APPLICATION_H #include <<a href="qmainwindow-h.html">ntqmainwindow.h</a>> #include <<a href="qptrlist-h.html">ntqptrlist.h</a>> class TQTextEdit; class TQToolBar; class TQPopupMenu; class TQWorkspace; class TQPopupMenu; class TQMovie; class MDIWindow: public <a href="ntqmainwindow.html">TQMainWindow</a> { <a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a> public: MDIWindow( <a href="ntqwidget.html">TQWidget</a>* parent, const char* name, int wflags ); ~MDIWindow(); void load( const <a href="ntqstring.html">TQString</a>& fn ); void save(); void saveAs(); void print( <a href="ntqprinter.html">TQPrinter</a>* ); protected: void closeEvent( <a href="qcloseevent.html">TQCloseEvent</a> * ); signals: void message(const <a href="ntqstring.html">TQString</a>&, int ); private: <a href="ntqtextedit.html">TQTextEdit</a>* medit; <a href="ntqmovie.html">TQMovie</a> * mmovie; <a href="ntqstring.html">TQString</a> filename; }; class ApplicationWindow: public <a href="ntqmainwindow.html">TQMainWindow</a> { TQ_OBJECT public: ApplicationWindow(); ~ApplicationWindow(); protected: void closeEvent( <a href="qcloseevent.html">TQCloseEvent</a> * ); private slots: MDIWindow* newDoc(); void load(); void save(); void saveAs(); void print(); void closeWindow(); void tileHorizontal(); void about(); void aboutTQt(); void windowsMenuAboutToShow(); void windowsMenuActivated( int id ); private: <a href="ntqprinter.html">TQPrinter</a> *printer; <a href="ntqworkspace.html">TQWorkspace</a>* ws; <a href="ntqtoolbar.html">TQToolBar</a> *fileTools; <a href="ntqpopupmenu.html">TQPopupMenu</a>* windowsMenu; }; #endif </pre> <p> <hr> <p> Implementation: <p> <pre>/**************************************************************************** ** $Id: qt/application.cpp 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include "application.h" #include <<a href="qworkspace-h.html">ntqworkspace.h</a>> #include <<a href="qimage-h.html">ntqimage.h</a>> #include <<a href="qpixmap-h.html">ntqpixmap.h</a>> #include <<a href="qtoolbar-h.html">ntqtoolbar.h</a>> #include <<a href="qtoolbutton-h.html">ntqtoolbutton.h</a>> #include <<a href="qpopupmenu-h.html">ntqpopupmenu.h</a>> #include <<a href="qmenubar-h.html">ntqmenubar.h</a>> #include <<a href="qmovie-h.html">ntqmovie.h</a>> #include <<a href="qfile-h.html">ntqfile.h</a>> #include <<a href="qfiledialog-h.html">ntqfiledialog.h</a>> #include <<a href="qlabel-h.html">ntqlabel.h</a>> #include <<a href="qstatusbar-h.html">ntqstatusbar.h</a>> #include <<a href="qmessagebox-h.html">ntqmessagebox.h</a>> #include <<a href="qprinter-h.html">ntqprinter.h</a>> #include <<a href="qapplication-h.html">ntqapplication.h</a>> #include <<a href="qpushbutton-h.html">ntqpushbutton.h</a>> #include <<a href="qaccel-h.html">ntqaccel.h</a>> #include <<a href="qtextstream-h.html">ntqtextstream.h</a>> #include <<a href="qtextedit-h.html">ntqtextedit.h</a>> #include <<a href="qpainter-h.html">ntqpainter.h</a>> #include <<a href="qpaintdevicemetrics-h.html">ntqpaintdevicemetrics.h</a>> #include <<a href="qwhatsthis-h.html">ntqwhatsthis.h</a>> #include <<a href="qobjectlist-h.html">ntqobjectlist.h</a>> #include <<a href="qvbox-h.html">ntqvbox.h</a>> #include <<a href="qsimplerichtext-h.html">ntqsimplerichtext.h</a>> #include "filesave.xpm" #include "fileopen.xpm" #include "fileprint.xpm" const char * fileOpenText = "Click this button to open a <em>new file</em>. <br><br>" "You can also select the <b>Open command</b> from the File menu."; const char * fileSaveText = "Click this button to save the file you are " "editing. You will be prompted for a file name.\n\n" "You can also select the Save command from the File menu.\n\n" "Note that implementing this function is left as an exercise for the reader."; const char * filePrintText = "Click this button to print the file you " "are editing.\n\n" "You can also select the Print command from the File menu."; <a name="f535"></a>ApplicationWindow::ApplicationWindow() : <a href="ntqmainwindow.html">TQMainWindow</a>( 0, "example application main window", WDestructiveClose ) { int id; <a href="ntqpixmap.html">TQPixmap</a> openIcon, saveIcon; fileTools = new <a href="ntqtoolbar.html">TQToolBar</a>( this, "file operations" ); <a href="ntqmainwindow.html#addToolBar">addToolBar</a>( fileTools, tr( "File Operations" ), DockTop, TRUE ); openIcon = TQPixmap( fileopen ); TQToolButton * fileOpen = new <a href="ntqtoolbutton.html">TQToolButton</a>( openIcon, "Open File", <a href="ntqstring.html#TQString-null">TQString::null</a>, this, SLOT(load()), fileTools, "open file" ); saveIcon = TQPixmap( filesave ); TQToolButton * fileSave = new <a href="ntqtoolbutton.html">TQToolButton</a>( saveIcon, "Save File", TQString::null, this, SLOT(save()), fileTools, "save file" ); #ifndef QT_NO_PRINTER printer = new <a href="ntqprinter.html">TQPrinter</a>( TQPrinter::HighResolution ); <a href="ntqpixmap.html">TQPixmap</a> printIcon; printIcon = TQPixmap( fileprint ); TQToolButton * filePrint = new <a href="ntqtoolbutton.html">TQToolButton</a>( printIcon, "Print File", TQString::null, this, SLOT(print()), fileTools, "print file" ); <a name="x2075"></a> TQWhatsThis::<a href="ntqwhatsthis.html#add">add</a>( filePrint, filePrintText ); #endif (void)TQWhatsThis::whatsThisButton( fileTools ); TQWhatsThis::<a href="ntqwhatsthis.html#add">add</a>( fileOpen, fileOpenText ); TQWhatsThis::<a href="ntqwhatsthis.html#add">add</a>( fileSave, fileSaveText ); <a href="ntqpopupmenu.html">TQPopupMenu</a> * file = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( "&File", file ); file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&New", this, SLOT(newDoc()), CTRL+Key_N ); id = file-><a href="ntqmenudata.html#insertItem">insertItem</a>( openIcon, "&Open...", this, SLOT(load()), CTRL+Key_O ); <a name="x2035"></a> file-><a href="ntqmenudata.html#setWhatsThis">setWhatsThis</a>( id, fileOpenText ); id = file-><a href="ntqmenudata.html#insertItem">insertItem</a>( saveIcon, "&Save", this, SLOT(save()), CTRL+Key_S ); file-><a href="ntqmenudata.html#setWhatsThis">setWhatsThis</a>( id, fileSaveText ); id = file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "Save &As...", this, SLOT(saveAs()) ); file-><a href="ntqmenudata.html#setWhatsThis">setWhatsThis</a>( id, fileSaveText ); #ifndef QT_NO_PRINTER file-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>(); id = file-><a href="ntqmenudata.html#insertItem">insertItem</a>( printIcon, "&Print...", this, SLOT(print()), CTRL+Key_P ); file-><a href="ntqmenudata.html#setWhatsThis">setWhatsThis</a>( id, filePrintText ); #endif file-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>(); file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Close", this, SLOT(closeWindow()), CTRL+Key_W ); <a name="x2020"></a> file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Quit", tqApp, SLOT( <a href="ntqapplication.html#closeAllWindows">closeAllWindows</a>() ), CTRL+Key_Q ); windowsMenu = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this ); <a name="x2049"></a> windowsMenu-><a href="ntqpopupmenu.html#setCheckable">setCheckable</a>( TRUE ); <a name="x2048"></a> <a href="ntqobject.html#connect">connect</a>( windowsMenu, SIGNAL( <a href="ntqpopupmenu.html#aboutToShow">aboutToShow</a>() ), this, SLOT( windowsMenuAboutToShow() ) ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( "&Windows", windowsMenu ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertSeparator(); <a href="ntqpopupmenu.html">TQPopupMenu</a> * help = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this ); <a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( "&Help", help ); help-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&About", this, SLOT(about()), Key_F1); help-><a href="ntqmenudata.html#insertItem">insertItem</a>( "About &TQt", this, SLOT(aboutTQt())); help-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>(); help-><a href="ntqmenudata.html#insertItem">insertItem</a>( "What's &This", this, SLOT(<a href="ntqmainwindow.html#whatsThis">whatsThis</a>()), SHIFT+Key_F1); <a href="ntqvbox.html">TQVBox</a>* vb = new <a href="ntqvbox.html">TQVBox</a>( this ); vb-><a href="ntqframe.html#setFrameStyle">setFrameStyle</a>( TQFrame::StyledPanel | TQFrame::Sunken ); ws = new <a href="ntqworkspace.html">TQWorkspace</a>( vb ); <a name="x2092"></a> ws-><a href="ntqworkspace.html#setScrollBarsEnabled">setScrollBarsEnabled</a>( TRUE ); <a href="ntqmainwindow.html#setCentralWidget">setCentralWidget</a>( vb ); <a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Ready", 2000 ); } ApplicationWindow::~ApplicationWindow() { #ifndef QT_NO_PRINTER delete printer; #endif } MDIWindow* <a name="f536"></a>ApplicationWindow::newDoc() { MDIWindow* w = new MDIWindow( ws, 0, WDestructiveClose ); <a href="ntqobject.html#connect">connect</a>( w, SIGNAL( message(const <a href="ntqstring.html">TQString</a>&, int) ), statusBar(), SLOT( message(const <a href="ntqstring.html">TQString</a>&, int )) ); w-><a href="ntqwidget.html#setCaption">setCaption</a>("unnamed document"); <a name="x2085"></a> w-><a href="ntqwidget.html#setIcon">setIcon</a>( TQPixmap("document.xpm") ); // show the very first window in maximized mode <a name="x2094"></a> if ( ws-><a href="ntqworkspace.html#windowList">windowList</a>().isEmpty() ) <a name="x2087"></a> w-><a href="ntqwidget.html#showMaximized">showMaximized</a>(); else w-><a href="ntqwidget.html#show">show</a>(); return w; } void <a name="f537"></a>ApplicationWindow::load() { <a href="ntqstring.html">TQString</a> fn = TQFileDialog::<a href="ntqfiledialog.html#getOpenFileName">getOpenFileName</a>( TQString::null, TQString::null, this ); if ( !fn.<a href="ntqstring.html#isEmpty">isEmpty</a>() ) { MDIWindow* w = newDoc(); w->load( fn ); } else { <a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Loading aborted", 2000 ); } } void <a name="f538"></a>ApplicationWindow::save() { <a name="x2090"></a> MDIWindow* m = (MDIWindow*)ws-><a href="ntqworkspace.html#activeWindow">activeWindow</a>(); if ( m ) m->save(); } void <a name="f539"></a>ApplicationWindow::saveAs() { MDIWindow* m = (MDIWindow*)ws-><a href="ntqworkspace.html#activeWindow">activeWindow</a>(); if ( m ) m->saveAs(); } void <a name="f540"></a>ApplicationWindow::print() { #ifndef QT_NO_PRINTER MDIWindow* m = (MDIWindow*)ws-><a href="ntqworkspace.html#activeWindow">activeWindow</a>(); if ( m ) m->print( printer ); #endif } void <a name="f541"></a>ApplicationWindow::closeWindow() { MDIWindow* m = (MDIWindow*)ws-><a href="ntqworkspace.html#activeWindow">activeWindow</a>(); if ( m ) <a name="x2076"></a> m-><a href="ntqwidget.html#close">close</a>(); } void <a name="f542"></a>ApplicationWindow::about() { <a name="x2036"></a> TQMessageBox::<a href="ntqmessagebox.html#about">about</a>( this, "TQt Application Example", "This example demonstrates simple use of\n " "TQt's Multiple Document Interface (MDI)."); } void <a name="f543"></a>ApplicationWindow::aboutTQt() { TQMessageBox::<a href="ntqmessagebox.html#aboutTQt">aboutTQt</a>( this, "TQt Application Example" ); } void <a name="f544"></a>ApplicationWindow::windowsMenuAboutToShow() { <a name="x2029"></a> windowsMenu-><a href="ntqmenudata.html#clear">clear</a>(); <a name="x2091"></a> int cascadeId = windowsMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>("&Cascade", ws, SLOT(<a href="ntqworkspace.html#cascade">cascade</a>() ) ); <a name="x2093"></a> int tileId = windowsMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>("&Tile", ws, SLOT(<a href="ntqworkspace.html#tile">tile</a>() ) ); int horTileId = windowsMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>("Tile &Horizontally", this, SLOT(tileHorizontal() ) ); if ( ws-><a href="ntqworkspace.html#windowList">windowList</a>().isEmpty() ) { <a name="x2033"></a> windowsMenu-><a href="ntqmenudata.html#setItemEnabled">setItemEnabled</a>( cascadeId, FALSE ); windowsMenu-><a href="ntqmenudata.html#setItemEnabled">setItemEnabled</a>( tileId, FALSE ); windowsMenu-><a href="ntqmenudata.html#setItemEnabled">setItemEnabled</a>( horTileId, FALSE ); } windowsMenu-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>(); TQWidgetList windows = ws-><a href="ntqworkspace.html#windowList">windowList</a>(); <a name="x2054"></a> for ( int i = 0; i < int(windows.count()); ++i ) { <a name="x2053"></a> int id = windowsMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>(windows.at(i)->caption(), this, SLOT( windowsMenuActivated( int ) ) ); <a name="x2034"></a> windowsMenu-><a href="ntqmenudata.html#setItemParameter">setItemParameter</a>( id, i ); <a name="x2032"></a> windowsMenu-><a href="ntqmenudata.html#setItemChecked">setItemChecked</a>( id, ws-><a href="ntqworkspace.html#activeWindow">activeWindow</a>() == windows.at(i) ); } } void <a name="f545"></a>ApplicationWindow::windowsMenuActivated( int id ) { <a href="ntqwidget.html">TQWidget</a>* w = ws-><a href="ntqworkspace.html#windowList">windowList</a>().at( id ); if ( w ) <a name="x2088"></a> w-><a href="ntqwidget.html#showNormal">showNormal</a>(); <a name="x2084"></a> w-><a href="ntqwidget.html#setFocus">setFocus</a>(); } void <a name="f546"></a>ApplicationWindow::tileHorizontal() { // primitive horizontal tiling TQWidgetList windows = ws-><a href="ntqworkspace.html#windowList">windowList</a>(); if ( !windows.count() ) return; if (ws-><a href="ntqworkspace.html#activeWindow">activeWindow</a>()) ws-><a href="ntqworkspace.html#activeWindow">activeWindow</a>()->showNormal(); <a name="x2078"></a> int heightForEach = ws-><a href="ntqwidget.html#height">height</a>() / windows.count(); int y = 0; for ( int i = 0; i < int(windows.count()); ++i ) { <a href="ntqwidget.html">TQWidget</a> *window = windows.at(i); <a name="x2081"></a><a name="x2080"></a> int preferredHeight = window-><a href="ntqwidget.html#minimumHeight">minimumHeight</a>()+window-><a href="ntqwidget.html#parentWidget">parentWidget</a>()->baseSize().height(); int actHeight = TQMAX(heightForEach, preferredHeight); <a name="x2089"></a> window-><a href="ntqwidget.html#parentWidget">parentWidget</a>()->setGeometry( 0, y, ws-><a href="ntqwidget.html#width">width</a>(), actHeight ); y += actHeight; } } <a name="x2077"></a>void ApplicationWindow::<a href="ntqwidget.html#closeEvent">closeEvent</a>( <a href="qcloseevent.html">TQCloseEvent</a> *e ) { TQWidgetList windows = ws-><a href="ntqworkspace.html#windowList">windowList</a>(); if ( windows.count() ) { for ( int i = 0; i < int(windows.count()); ++i ) { <a href="ntqwidget.html">TQWidget</a> *window = windows.at( i ); if ( !window-><a href="ntqwidget.html#close">close</a>() ) { <a name="x2022"></a> e-><a href="qcloseevent.html#ignore">ignore</a>(); return; } } } TQMainWindow::<a href="ntqwidget.html#closeEvent">closeEvent</a>( e ); } <a name="f547"></a>MDIWindow::MDIWindow( <a href="ntqwidget.html">TQWidget</a>* parent, const char* name, int wflags ) : <a href="ntqmainwindow.html">TQMainWindow</a>( parent, name, wflags ) { mmovie = 0; medit = new <a href="ntqtextedit.html">TQTextEdit</a>( this ); <a href="ntqwidget.html#setFocusProxy">setFocusProxy</a>( medit ); <a href="ntqmainwindow.html#setCentralWidget">setCentralWidget</a>( medit ); } MDIWindow::~MDIWindow() { delete mmovie; } void MDIWindow::<a href="ntqwidget.html#closeEvent">closeEvent</a>( <a href="qcloseevent.html">TQCloseEvent</a> *e ) { <a name="x2069"></a> if ( medit-><a href="ntqtextedit.html#isModified">isModified</a>() ) { switch( TQMessageBox::<a href="ntqmessagebox.html#warning">warning</a>( this, "Save Changes", <a href="ntqobject.html#tr">tr</a>("Save changes to %1?").arg( <a href="ntqwidget.html#caption">caption</a>() ), <a href="ntqobject.html#tr">tr</a>("Yes"), tr("No"), tr("Cancel") ) ) { case 0: { save(); if ( !filename.isEmpty() ) <a name="x2021"></a> e-><a href="qcloseevent.html#accept">accept</a>(); else e-><a href="qcloseevent.html#ignore">ignore</a>(); } break; case 1: e-><a href="qcloseevent.html#accept">accept</a>(); break; default: e-><a href="qcloseevent.html#ignore">ignore</a>(); break; } } else { e-><a href="qcloseevent.html#accept">accept</a>(); } } void <a name="f548"></a>MDIWindow::load( const <a href="ntqstring.html">TQString</a>& fn ) { filename = fn; <a href="ntqfile.html">TQFile</a> f( filename ); if ( !f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.html#open">IO_ReadOnly</a> ) ) return; <a name="x2064"></a> if(fn.<a href="ntqstring.html#contains">contains</a>(".gif")) { <a href="ntqwidget.html">TQWidget</a> * tmp=new <a href="ntqwidget.html">TQWidget</a>(this); <a href="ntqwidget.html#setFocusProxy">setFocusProxy</a>(tmp); <a href="ntqmainwindow.html#setCentralWidget">setCentralWidget</a>(tmp); <a name="x2079"></a> medit-><a href="ntqwidget.html#hide">hide</a>(); delete medit; <a href="ntqmovie.html">TQMovie</a> * qm=new <a href="ntqmovie.html">TQMovie</a>(fn); #ifdef Q_WS_QWS // temporary speed-test hack <a name="x2039"></a> qm->setDisplayWidget(tmp); #endif <a name="x2082"></a> tmp-><a href="ntqwidget.html#setBackgroundMode">setBackgroundMode</a>(TQWidget::NoBackground); tmp-><a href="ntqwidget.html#show">show</a>(); mmovie=qm; } else { mmovie = 0; <a href="ntqtextstream.html">TQTextStream</a> t(&f); <a name="x2074"></a> <a href="ntqstring.html">TQString</a> s = t.<a href="ntqtextstream.html#read">read</a>(); medit-><a href="ntqtextedit.html#setText">setText</a>( s ); <a name="x2023"></a> f.<a href="ntqfile.html#close">close</a>(); } <a href="ntqwidget.html#setCaption">setCaption</a>( filename ); emit message( TQString("Loaded document %1").arg(filename), 2000 ); } void <a name="f549"></a>MDIWindow::save() { if ( filename.isEmpty() ) { saveAs(); return; } <a name="x2073"></a> <a href="ntqstring.html">TQString</a> text = medit-><a href="ntqtextedit.html#text">text</a>(); <a href="ntqfile.html">TQFile</a> f( filename ); if ( !f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.html#open">IO_WriteOnly</a> ) ) { emit message( TQString("Could not write to %1").arg(filename), 2000 ); return; } <a href="ntqtextstream.html">TQTextStream</a> t( &f ); t << text; f.<a href="ntqfile.html#close">close</a>(); <a href="ntqwidget.html#setCaption">setCaption</a>( filename ); emit message( TQString( "File %1 saved" ).arg( filename ), 2000 ); } void <a name="f550"></a>MDIWindow::saveAs() { <a href="ntqstring.html">TQString</a> fn = TQFileDialog::<a href="ntqfiledialog.html#getSaveFileName">getSaveFileName</a>( filename, TQString::null, this ); if ( !fn.<a href="ntqstring.html#isEmpty">isEmpty</a>() ) { filename = fn; save(); } else { emit message( "Saving aborted", 2000 ); } } void <a name="f551"></a>MDIWindow::print( <a href="ntqprinter.html">TQPrinter</a>* printer) { #ifndef QT_NO_PRINTER int pageNo = 1; <a name="x2052"></a> if ( printer-><a href="ntqprinter.html#setup">setup</a>(this) ) { // printer dialog <a name="x2051"></a> printer-><a href="ntqprinter.html#setFullPage">setFullPage</a>( TRUE ); emit message( "Printing...", 0 ); <a href="ntqpainter.html">TQPainter</a> p; if ( !p.<a href="ntqpainter.html#begin">begin</a>( printer ) ) return; // paint on printer <a name="x2044"></a> <a href="ntqpaintdevicemetrics.html">TQPaintDeviceMetrics</a> metrics( p.<a href="ntqpainter.html#device">device</a>() ); <a name="x2041"></a> int dpiy = metrics.<a href="ntqpaintdevicemetrics.html#logicalDpiY">logicalDpiY</a>(); int margin = (int) ( (2/2.54)*dpiy ); // 2 cm margins <a name="x2042"></a><a name="x2040"></a> <a href="ntqrect.html">TQRect</a> view( margin, margin, metrics.<a href="ntqpaintdevicemetrics.html#width">width</a>() - 2*margin, metrics.<a href="ntqpaintdevicemetrics.html#height">height</a>() - 2*margin ); <a name="x2067"></a> <a href="ntqsimplerichtext.html">TQSimpleRichText</a> richText( TQStyleSheet::<a href="ntqstylesheet.html#convertFromPlainText">convertFromPlainText</a>(medit-><a href="ntqtextedit.html#text">text</a>()), TQFont(), <a name="x2068"></a> medit-><a href="ntqtextedit.html#context">context</a>(), <a name="x2072"></a> medit-><a href="ntqtextedit.html#styleSheet">styleSheet</a>(), <a name="x2070"></a> medit-><a href="ntqtextedit.html#mimeSourceFactory">mimeSourceFactory</a>(), view.<a href="ntqrect.html#height">height</a>() ); <a name="x2063"></a> richText.<a href="ntqsimplerichtext.html#setWidth">setWidth</a>( &p, view.<a href="ntqrect.html#width">width</a>() ); int page = 1; do { <a name="x2061"></a> richText.<a href="ntqsimplerichtext.html#draw">draw</a>( &p, margin, margin, view, colorGroup() ); <a name="x2057"></a> view.<a href="ntqrect.html#moveBy">moveBy</a>( 0, view.<a href="ntqrect.html#height">height</a>() ); p.<a href="ntqpainter.html#translate">translate</a>( 0 , -view.<a href="ntqrect.html#height">height</a>() ); <a name="x2066"></a><a name="x2046"></a> p.<a href="ntqpainter.html#drawText">drawText</a>( view.<a href="ntqrect.html#right">right</a>() - p.<a href="ntqpainter.html#fontMetrics">fontMetrics</a>().width( TQString::<a href="ntqstring.html#number">number</a>( page ) ), view.<a href="ntqrect.html#bottom">bottom</a>() + p.<a href="ntqpainter.html#fontMetrics">fontMetrics</a>().ascent() + 5, TQString::number( page ) ); <a name="x2062"></a> if ( view.<a href="ntqrect.html#top">top</a>() - margin >= richText.<a href="ntqsimplerichtext.html#height">height</a>() ) break; <a href="ntqstring.html">TQString</a> msg( "Printing (page " ); msg += TQString::<a href="ntqstring.html#number">number</a>( ++pageNo ); msg += ")..."; emit message( msg, 0 ); <a name="x2050"></a> printer-><a href="ntqprinter.html#newPage">newPage</a>(); page++; } while (TRUE); } #endif } </pre> <p> <hr> <p> Main: <p> <pre>/**************************************************************************** ** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include <<a href="qapplication-h.html">ntqapplication.h</a>> #include "application.h" int main( int argc, char ** argv ) { <a href="ntqapplication.html">TQApplication</a> a( argc, argv ); ApplicationWindow * mw = new ApplicationWindow(); a.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>(mw); mw-><a href="ntqwidget.html#setCaption">setCaption</a>( "TQt Example - Multiple Documents Interface (MDI)" ); mw-><a href="ntqwidget.html#show">show</a>(); <a name="x2097"></a><a name="x2096"></a> a.<a href="ntqobject.html#connect">connect</a>( &a, SIGNAL(<a href="ntqapplication.html#lastWindowClosed">lastWindowClosed</a>()), &a, SLOT(<a href="ntqapplication.html#quit">quit</a>()) ); int res = a.<a href="ntqapplication.html#exec">exec</a>(); return res; } </pre> <p>See also <a href="examples.html">Examples</a>. <!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2007 <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> <td align=right><div align=right>TQt 3.3.8</div> </table></div></address></body> </html>