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tdevelop/languages/cpp/app_templates/cmakeqt3app/cmakeqt3app.cpp

284 lines
7.0 KiB

%{CPP_TEMPLATE}
#include "%{APPNAMELC}.h"
#include <qimage.h>
#include <qpixmap.h>
#include <qtoolbar.h>
#include <qtoolbutton.h>
#include <qpopupmenu.h>
#include <qmenubar.h>
#include <qtextedit.h>
#include <qfile.h>
#include <qfiledialog.h>
#include <qstatusbar.h>
#include <qmessagebox.h>
#include <qprinter.h>
#include <qapplication.h>
#include <qaccel.h>
#include <qtextstream.h>
#include <qpainter.h>
#include <qpaintdevicemetrics.h>
#include <qwhatsthis.h>
#include "filesave.xpm"
#include "fileopen.xpm"
#include "fileprint.xpm"
%{APPNAME}::%{APPNAME}()
: QMainWindow( 0, "%{APPNAME}", WDestructiveClose )
{
printer = new QPrinter;
QPixmap openIcon, saveIcon, printIcon;
QToolBar * fileTools = new QToolBar( this, "file operations" );
fileTools->setLabel( tr("File Operations") );
openIcon = QPixmap( fileopen );
QToolButton * fileOpen
= new QToolButton( openIcon, tr("Open File"), QString::null,
this, SLOT(choose()), fileTools, "open file" );
saveIcon = QPixmap( filesave );
QToolButton * fileSave
= new QToolButton( saveIcon, tr("Save File"), QString::null,
this, SLOT(save()), fileTools, "save file" );
printIcon = QPixmap( fileprint );
QToolButton * filePrint
= new QToolButton( printIcon, tr("Print File"), QString::null,
this, SLOT(print()), fileTools, "print file" );
(void)QWhatsThis::whatsThisButton( fileTools );
QString fileOpenText = tr("<p><img source=\"fileopen\"> "
"Click this button to open a <em>new file</em>. <br>"
"You can also select the <b>Open</b> command "
"from the <b>File</b> menu.</p>");
QWhatsThis::add( fileOpen, fileOpenText );
QMimeSourceFactory::defaultFactory()->setPixmap( "fileopen", openIcon );
QString fileSaveText = tr("<p>Click this button to save the file you "
"are editing. You will be prompted for a file name.\n"
"You can also select the <b>Save</b> command "
"from the <b>File</b> menu.</p>");
QWhatsThis::add( fileSave, fileSaveText );
QString filePrintText = tr("Click this button to print the file you "
"are editing.\n You can also select the Print "
"command from the File menu.");
QWhatsThis::add( filePrint, filePrintText );
QPopupMenu * file = new QPopupMenu( this );
menuBar()->insertItem( tr("&File"), file );
file->insertItem( tr("&New"), this, SLOT(newDoc()), CTRL+Key_N );
int id;
id = file->insertItem( openIcon, tr("&Open..."),
this, SLOT(choose()), CTRL+Key_O );
file->setWhatsThis( id, fileOpenText );
id = file->insertItem( saveIcon, tr("&Save"),
this, SLOT(save()), CTRL+Key_S );
file->setWhatsThis( id, fileSaveText );
id = file->insertItem( tr("Save &As..."), this, SLOT(saveAs()) );
file->setWhatsThis( id, fileSaveText );
file->insertSeparator();
id = file->insertItem( printIcon, tr("&Print..."),
this, SLOT(print()), CTRL+Key_P );
file->setWhatsThis( id, filePrintText );
file->insertSeparator();
file->insertItem( tr("&Close"), this, SLOT(close()), CTRL+Key_W );
file->insertItem( tr("&Quit"), qApp, SLOT( closeAllWindows() ), CTRL+Key_Q );
menuBar()->insertSeparator();
QPopupMenu * help = new QPopupMenu( this );
menuBar()->insertItem( tr("&Help"), help );
help->insertItem( tr("&About"), this, SLOT(about()), Key_F1 );
help->insertItem( tr("About &Qt"), this, SLOT(aboutQt()) );
help->insertSeparator();
help->insertItem( tr("What's &This"), this, SLOT(whatsThis()), SHIFT+Key_F1 );
e = new QTextEdit( this, "editor" );
e->setFocus();
setCentralWidget( e );
statusBar()->message( tr("Ready"), 2000 );
resize( 450, 600 );
}
%{APPNAME}::~%{APPNAME}()
{
delete printer;
}
void %{APPNAME}::newDoc()
{
%{APPNAME} *ed = new %{APPNAME};
ed->setCaption(tr("Qt Example - Application"));
ed->show();
}
void %{APPNAME}::choose()
{
QString fn = QFileDialog::getOpenFileName( QString::null, QString::null,
this);
if ( !fn.isEmpty() )
load( fn );
else
statusBar()->message( tr("Loading aborted"), 2000 );
}
void %{APPNAME}::load( const QString &fileName )
{
QFile f( fileName );
if ( !f.open( IO_ReadOnly ) )
return;
QTextStream ts( &f );
e->setText( ts.read() );
e->setModified( FALSE );
setCaption( fileName );
statusBar()->message( tr("Loaded document %1").arg(fileName), 2000 );
}
void %{APPNAME}::save()
{
if ( filename.isEmpty() ) {
saveAs();
return;
}
QString text = e->text();
QFile f( filename );
if ( !f.open( IO_WriteOnly ) ) {
statusBar()->message( tr("Could not write to %1").arg(filename),
2000 );
return;
}
QTextStream t( &f );
t << text;
f.close();
e->setModified( FALSE );
setCaption( filename );
statusBar()->message( tr( "File %1 saved" ).arg( filename ), 2000 );
}
void %{APPNAME}::saveAs()
{
QString fn = QFileDialog::getSaveFileName( QString::null, QString::null,
this );
if ( !fn.isEmpty() ) {
filename = fn;
save();
} else {
statusBar()->message( tr("Saving aborted"), 2000 );
}
}
void %{APPNAME}::print()
{
// ###### Rewrite to use QSimpleRichText to print here as well
const int Margin = 10;
int pageNo = 1;
if ( printer->setup(this) ) { // printer dialog
statusBar()->message( tr("Printing...") );
QPainter p;
if( !p.begin( printer ) ) // paint on printer
return;
p.setFont( e->font() );
int yPos = 0; // y-position for each line
QFontMetrics fm = p.fontMetrics();
QPaintDeviceMetrics metrics( printer ); // need width/height
// of printer surface
for( int i = 0 ; i < e->lines() ; i++ ) {
if ( Margin + yPos > metrics.height() - Margin ) {
QString msg( "Printing (page " );
msg += QString::number( ++pageNo );
msg += ")...";
statusBar()->message( msg );
printer->newPage(); // no more room on this page
yPos = 0; // back to top of page
}
p.drawText( Margin, Margin + yPos,
metrics.width(), fm.lineSpacing(),
ExpandTabs | DontClip,
e->text( i ) );
yPos = yPos + fm.lineSpacing();
}
p.end(); // send job to printer
statusBar()->message( tr("Printing completed"), 2000 );
} else {
statusBar()->message( tr("Printing aborted"), 2000 );
}
}
void %{APPNAME}::closeEvent( QCloseEvent* ce )
{
if ( !e->isModified() ) {
ce->accept();
return;
}
switch( QMessageBox::information( this, tr("Qt Application Example"),
tr("Do you want to save the changes"
" to the document?"),
tr("Yes"), tr("No"), tr("Cancel"),
0, 1 ) ) {
case 0:
save();
ce->accept();
break;
case 1:
ce->accept();
break;
case 2:
default: // just for sanity
ce->ignore();
break;
}
}
void %{APPNAME}::about()
{
QMessageBox::about( this, tr("Qt Application Example"),
tr("This example demonstrates simple use of "
"QMainWindow,\nQMenuBar and QToolBar."));
}
void %{APPNAME}::aboutQt()
{
QMessageBox::aboutQt( this, tr("Qt Application Example") );
}