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161 lines
4.4 KiB
161 lines
4.4 KiB
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#include "viewer.h"
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#include <qstring.h>
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#include <qstringlist.h>
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#include <qtextview.h>
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#include <qpushbutton.h>
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#include <qlayout.h>
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Viewer::Viewer()
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:QWidget()
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{
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setFontSubstitutions();
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QString greeting_heb = QString::fromUtf8( "\327\251\327\234\327\225\327\235" );
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QString greeting_ru = QString::fromUtf8( "\320\227\320\264\321\200\320\260\320\262\321\201\321\202\320\262\321\203\320\271\321\202\320\265" );
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QString greeting_en( "Hello" );
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greetings = new QTextView( this, "textview" );
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greetings->setText( greeting_en + "\n" +
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greeting_ru + "\n" +
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greeting_heb );
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fontInfo = new QTextView( this, "fontinfo" );
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setDefault();
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defaultButton = new QPushButton( "Default", this,
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"pushbutton1" );
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defaultButton->setFont( QFont( "times" ) );
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connect( defaultButton, SIGNAL( clicked() ),
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this, SLOT( setDefault() ) );
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sansSerifButton = new QPushButton( "Sans Serif", this,
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"pushbutton2" );
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sansSerifButton->setFont( QFont( "Helvetica", 12 ) );
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connect( sansSerifButton, SIGNAL( clicked() ),
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this, SLOT( setSansSerif() ) );
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italicsButton = new QPushButton( "Italics", this,
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"pushbutton3" );
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italicsButton->setFont( QFont( "lucida", 12, QFont::Bold, TRUE ) );
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connect( italicsButton, SIGNAL( clicked() ),
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this, SLOT( setItalics() ) );
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layout();
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}
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void Viewer::setDefault()
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{
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QFont font( "Bavaria" );
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font.setPointSize( 24 );
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font.setWeight( QFont::Bold );
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font.setUnderline( TRUE );
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greetings->setFont( font );
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showFontInfo( font );
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}
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void Viewer::setSansSerif()
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{
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QFont font( "Newyork", 18 );
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font.setStyleHint( QFont::SansSerif );
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greetings->setFont( font );
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showFontInfo( font );
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}
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void Viewer::setItalics()
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{
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QFont font( "Tokyo" );
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font.setPointSize( 32 );
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font.setWeight( QFont::Bold );
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font.setItalic( TRUE );
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greetings->setFont( font );
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showFontInfo( font );
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}
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void Viewer::showFontInfo( QFont & font )
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{
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QFontInfo info( font );
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QString messageText;
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messageText = "Font requested: \"" +
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font.family() + "\" " +
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QString::number( font.pointSize() ) + "pt<BR>" +
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"Font used: \"" +
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info.family() + "\" " +
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QString::number( info.pointSize() ) + "pt<P>";
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QStringList substitutions = QFont::substitutes( font.family() );
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if ( ! substitutions.isEmpty() ){
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messageText += "The following substitutions exist for " + \
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font.family() + ":<UL>";
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QStringList::Iterator i = substitutions.begin();
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while ( i != substitutions.end() ){
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messageText += "<LI>\"" + (* i) + "\"";
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i++;
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}
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messageText += "</UL>";
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} else {
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messageText += "No substitutions exist for " + \
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font.family() + ".";
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}
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fontInfo->setText( messageText );
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}
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void Viewer::setFontSubstitutions()
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{
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QStringList substitutes;
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substitutes.append( "Times" );
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substitutes += "Mincho",
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substitutes << "Arabic Newspaper" << "crox";
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QFont::insertSubstitutions( "Bavaria", substitutes );
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QFont::insertSubstitution( "Tokyo", "Lucida" );
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}
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// For those who prefer to use Qt Designer for creating GUIs
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// the following function might not be of particular interest:
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// all it does is creating the widget layout.
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void Viewer::layout()
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{
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QHBoxLayout * textViewContainer = new QHBoxLayout();
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textViewContainer->addWidget( greetings );
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textViewContainer->addWidget( fontInfo );
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QHBoxLayout * buttonContainer = new QHBoxLayout();
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buttonContainer->addWidget( defaultButton );
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buttonContainer->addWidget( sansSerifButton );
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buttonContainer->addWidget( italicsButton );
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int maxButtonHeight = defaultButton->height();
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if ( sansSerifButton->height() > maxButtonHeight )
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maxButtonHeight = sansSerifButton->height();
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if ( italicsButton->height() > maxButtonHeight )
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maxButtonHeight = italicsButton->height();
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defaultButton->setFixedHeight( maxButtonHeight );
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sansSerifButton->setFixedHeight( maxButtonHeight );
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italicsButton->setFixedHeight( maxButtonHeight );
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QVBoxLayout * container = new QVBoxLayout( this );
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container->addLayout( textViewContainer );
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container->addLayout( buttonContainer );
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resize( 700, 250 );
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}
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