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