You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
436 lines
12 KiB
436 lines
12 KiB
/****************************************************************************
|
|
**
|
|
** Copyright (C) 1992-2008 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 <ntqworkspace.h>
|
|
#include <ntqimage.h>
|
|
#include <ntqpixmap.h>
|
|
#include <ntqtoolbar.h>
|
|
#include <ntqtoolbutton.h>
|
|
#include <ntqpopupmenu.h>
|
|
#include <ntqmenubar.h>
|
|
#include <ntqmovie.h>
|
|
#include <ntqfile.h>
|
|
#include <ntqfiledialog.h>
|
|
#include <ntqlabel.h>
|
|
#include <ntqstatusbar.h>
|
|
#include <ntqmessagebox.h>
|
|
#include <ntqprinter.h>
|
|
#include <ntqapplication.h>
|
|
#include <ntqpushbutton.h>
|
|
#include <ntqaccel.h>
|
|
#include <ntqtextstream.h>
|
|
#include <ntqtextedit.h>
|
|
#include <ntqpainter.h>
|
|
#include <ntqpaintdevicemetrics.h>
|
|
#include <ntqwhatsthis.h>
|
|
#include <ntqobjectlist.h>
|
|
#include <ntqvbox.h>
|
|
#include <ntqsimplerichtext.h>
|
|
|
|
#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.";
|
|
|
|
ApplicationWindow::ApplicationWindow()
|
|
: TQMainWindow( 0, "example application main window", WDestructiveClose )
|
|
{
|
|
int id;
|
|
|
|
TQPixmap openIcon, saveIcon;
|
|
|
|
fileTools = new TQToolBar( this, "file operations" );
|
|
addToolBar( fileTools, tr( "File Operations" ), DockTop, TRUE );
|
|
|
|
openIcon = TQPixmap( fileopen );
|
|
TQToolButton * fileOpen
|
|
= new TQToolButton( openIcon, "Open File", TQString::null,
|
|
this, TQ_SLOT(load()), fileTools, "open file" );
|
|
|
|
saveIcon = TQPixmap( filesave );
|
|
TQToolButton * fileSave
|
|
= new TQToolButton( saveIcon, "Save File", TQString::null,
|
|
this, TQ_SLOT(save()), fileTools, "save file" );
|
|
|
|
#ifndef TQT_NO_PRINTER
|
|
printer = new TQPrinter( TQPrinter::HighResolution );
|
|
TQPixmap printIcon;
|
|
|
|
printIcon = TQPixmap( fileprint );
|
|
TQToolButton * filePrint
|
|
= new TQToolButton( printIcon, "Print File", TQString::null,
|
|
this, TQ_SLOT(print()), fileTools, "print file" );
|
|
TQWhatsThis::add( filePrint, filePrintText );
|
|
#endif
|
|
|
|
(void)TQWhatsThis::whatsThisButton( fileTools );
|
|
|
|
TQWhatsThis::add( fileOpen, fileOpenText );
|
|
TQWhatsThis::add( fileSave, fileSaveText );
|
|
|
|
TQPopupMenu * file = new TQPopupMenu( this );
|
|
menuBar()->insertItem( "&File", file );
|
|
|
|
file->insertItem( "&New", this, TQ_SLOT(newDoc()), CTRL+Key_N );
|
|
|
|
id = file->insertItem( openIcon, "&Open...",
|
|
this, TQ_SLOT(load()), CTRL+Key_O );
|
|
file->setWhatsThis( id, fileOpenText );
|
|
|
|
id = file->insertItem( saveIcon, "&Save",
|
|
this, TQ_SLOT(save()), CTRL+Key_S );
|
|
file->setWhatsThis( id, fileSaveText );
|
|
id = file->insertItem( "Save &As...", this, TQ_SLOT(saveAs()) );
|
|
file->setWhatsThis( id, fileSaveText );
|
|
#ifndef TQT_NO_PRINTER
|
|
file->insertSeparator();
|
|
id = file->insertItem( printIcon, "&Print...",
|
|
this, TQ_SLOT(print()), CTRL+Key_P );
|
|
file->setWhatsThis( id, filePrintText );
|
|
#endif
|
|
file->insertSeparator();
|
|
file->insertItem( "&Close", this, TQ_SLOT(closeWindow()), CTRL+Key_W );
|
|
file->insertItem( "&Quit", tqApp, TQ_SLOT( closeAllWindows() ), CTRL+Key_Q );
|
|
|
|
windowsMenu = new TQPopupMenu( this );
|
|
windowsMenu->setCheckable( TRUE );
|
|
connect( windowsMenu, TQ_SIGNAL( aboutToShow() ),
|
|
this, TQ_SLOT( windowsMenuAboutToShow() ) );
|
|
menuBar()->insertItem( "&Windows", windowsMenu );
|
|
|
|
menuBar()->insertSeparator();
|
|
TQPopupMenu * help = new TQPopupMenu( this );
|
|
menuBar()->insertItem( "&Help", help );
|
|
|
|
help->insertItem( "&About", this, TQ_SLOT(about()), Key_F1);
|
|
help->insertItem( "About &TQt", this, TQ_SLOT(aboutTQt()));
|
|
help->insertSeparator();
|
|
help->insertItem( "What's &This", this, TQ_SLOT(whatsThis()), SHIFT+Key_F1);
|
|
|
|
TQVBox* vb = new TQVBox( this );
|
|
vb->setFrameStyle( TQFrame::StyledPanel | TQFrame::Sunken );
|
|
ws = new TQWorkspace( vb );
|
|
ws->setScrollBarsEnabled( TRUE );
|
|
setCentralWidget( vb );
|
|
|
|
statusBar()->message( "Ready", 2000 );
|
|
}
|
|
|
|
|
|
ApplicationWindow::~ApplicationWindow()
|
|
{
|
|
#ifndef TQT_NO_PRINTER
|
|
delete printer;
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
MDIWindow* ApplicationWindow::newDoc()
|
|
{
|
|
MDIWindow* w = new MDIWindow( ws, 0, WDestructiveClose );
|
|
connect( w, TQ_SIGNAL( message(const TQString&, int) ), statusBar(), TQ_SLOT( message(const TQString&, int )) );
|
|
w->setCaption("unnamed document");
|
|
w->setIcon( TQPixmap("document.xpm") );
|
|
// show the very first window in maximized mode
|
|
if ( ws->windowList().isEmpty() )
|
|
w->showMaximized();
|
|
else
|
|
w->show();
|
|
return w;
|
|
}
|
|
|
|
void ApplicationWindow::load()
|
|
{
|
|
TQString fn = TQFileDialog::getOpenFileName( TQString::null, TQString::null, this );
|
|
if ( !fn.isEmpty() ) {
|
|
MDIWindow* w = newDoc();
|
|
w->load( fn );
|
|
} else {
|
|
statusBar()->message( "Loading aborted", 2000 );
|
|
}
|
|
}
|
|
|
|
void ApplicationWindow::save()
|
|
{
|
|
MDIWindow* m = (MDIWindow*)ws->activeWindow();
|
|
if ( m )
|
|
m->save();
|
|
}
|
|
|
|
|
|
void ApplicationWindow::saveAs()
|
|
{
|
|
MDIWindow* m = (MDIWindow*)ws->activeWindow();
|
|
if ( m )
|
|
m->saveAs();
|
|
}
|
|
|
|
|
|
void ApplicationWindow::print()
|
|
{
|
|
#ifndef TQT_NO_PRINTER
|
|
MDIWindow* m = (MDIWindow*)ws->activeWindow();
|
|
if ( m )
|
|
m->print( printer );
|
|
#endif
|
|
}
|
|
|
|
|
|
void ApplicationWindow::closeWindow()
|
|
{
|
|
MDIWindow* m = (MDIWindow*)ws->activeWindow();
|
|
if ( m )
|
|
m->close();
|
|
}
|
|
|
|
void ApplicationWindow::about()
|
|
{
|
|
TQMessageBox::about( this, "TQt Application Example",
|
|
"This example demonstrates simple use of\n "
|
|
"TQt's Multiple Document Interface (MDI).");
|
|
}
|
|
|
|
|
|
void ApplicationWindow::aboutTQt()
|
|
{
|
|
TQMessageBox::aboutTQt( this, "TQt Application Example" );
|
|
}
|
|
|
|
|
|
void ApplicationWindow::windowsMenuAboutToShow()
|
|
{
|
|
windowsMenu->clear();
|
|
int cascadeId = windowsMenu->insertItem("&Cascade", ws, TQ_SLOT(cascade() ) );
|
|
int tileId = windowsMenu->insertItem("&Tile", ws, TQ_SLOT(tile() ) );
|
|
int horTileId = windowsMenu->insertItem("Tile &Horizontally", this, TQ_SLOT(tileHorizontal() ) );
|
|
if ( ws->windowList().isEmpty() ) {
|
|
windowsMenu->setItemEnabled( cascadeId, FALSE );
|
|
windowsMenu->setItemEnabled( tileId, FALSE );
|
|
windowsMenu->setItemEnabled( horTileId, FALSE );
|
|
}
|
|
windowsMenu->insertSeparator();
|
|
TQWidgetList windows = ws->windowList();
|
|
for ( int i = 0; i < int(windows.count()); ++i ) {
|
|
int id = windowsMenu->insertItem(windows.at(i)->caption(),
|
|
this, TQ_SLOT( windowsMenuActivated( int ) ) );
|
|
windowsMenu->setItemParameter( id, i );
|
|
windowsMenu->setItemChecked( id, ws->activeWindow() == windows.at(i) );
|
|
}
|
|
}
|
|
|
|
void ApplicationWindow::windowsMenuActivated( int id )
|
|
{
|
|
TQWidget* w = ws->windowList().at( id );
|
|
if ( w )
|
|
w->showNormal();
|
|
w->setFocus();
|
|
}
|
|
|
|
void ApplicationWindow::tileHorizontal()
|
|
{
|
|
// primitive horizontal tiling
|
|
TQWidgetList windows = ws->windowList();
|
|
if ( !windows.count() )
|
|
return;
|
|
|
|
if (ws->activeWindow())
|
|
ws->activeWindow()->showNormal();
|
|
|
|
int heightForEach = ws->height() / windows.count();
|
|
int y = 0;
|
|
for ( int i = 0; i < int(windows.count()); ++i ) {
|
|
TQWidget *window = windows.at(i);
|
|
int preferredHeight = window->minimumHeight()+window->parentWidget()->baseSize().height();
|
|
int actHeight = TQMAX(heightForEach, preferredHeight);
|
|
|
|
window->parentWidget()->setGeometry( 0, y, ws->width(), actHeight );
|
|
y += actHeight;
|
|
}
|
|
}
|
|
|
|
void ApplicationWindow::closeEvent( TQCloseEvent *e )
|
|
{
|
|
TQWidgetList windows = ws->windowList();
|
|
if ( windows.count() ) {
|
|
for ( int i = 0; i < int(windows.count()); ++i ) {
|
|
TQWidget *window = windows.at( i );
|
|
if ( !window->close() ) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
TQMainWindow::closeEvent( e );
|
|
}
|
|
|
|
MDIWindow::MDIWindow( TQWidget* parent, const char* name, int wflags )
|
|
: TQMainWindow( parent, name, wflags )
|
|
{
|
|
mmovie = 0;
|
|
medit = new TQTextEdit( this );
|
|
setFocusProxy( medit );
|
|
setCentralWidget( medit );
|
|
}
|
|
|
|
MDIWindow::~MDIWindow()
|
|
{
|
|
delete mmovie;
|
|
}
|
|
|
|
void MDIWindow::closeEvent( TQCloseEvent *e )
|
|
{
|
|
if ( medit->isModified() ) {
|
|
switch( TQMessageBox::warning( this, "Save Changes",
|
|
tr("Save changes to %1?").arg( caption() ),
|
|
tr("Yes"), tr("No"), tr("Cancel") ) ) {
|
|
case 0:
|
|
{
|
|
save();
|
|
if ( !filename.isEmpty() )
|
|
e->accept();
|
|
else
|
|
e->ignore();
|
|
}
|
|
break;
|
|
case 1:
|
|
e->accept();
|
|
break;
|
|
default:
|
|
e->ignore();
|
|
break;
|
|
}
|
|
} else {
|
|
e->accept();
|
|
}
|
|
}
|
|
|
|
void MDIWindow::load( const TQString& fn )
|
|
{
|
|
filename = fn;
|
|
TQFile f( filename );
|
|
if ( !f.open( IO_ReadOnly ) )
|
|
return;
|
|
|
|
if(fn.contains(".gif")) {
|
|
TQWidget * tmp=new TQWidget(this);
|
|
setFocusProxy(tmp);
|
|
setCentralWidget(tmp);
|
|
medit->hide();
|
|
delete medit;
|
|
TQMovie * qm=new TQMovie(fn);
|
|
#ifdef TQ_WS_QWS // temporary speed-test hack
|
|
qm->setDisplayWidget(tmp);
|
|
#endif
|
|
tmp->setBackgroundMode(TQWidget::NoBackground);
|
|
tmp->show();
|
|
mmovie=qm;
|
|
} else {
|
|
mmovie = 0;
|
|
|
|
TQTextStream t(&f);
|
|
TQString s = t.read();
|
|
medit->setText( s );
|
|
f.close();
|
|
|
|
|
|
}
|
|
setCaption( filename );
|
|
emit message( TQString("Loaded document %1").arg(filename), 2000 );
|
|
}
|
|
|
|
void MDIWindow::save()
|
|
{
|
|
if ( filename.isEmpty() ) {
|
|
saveAs();
|
|
return;
|
|
}
|
|
|
|
TQString text = medit->text();
|
|
TQFile f( filename );
|
|
if ( !f.open( IO_WriteOnly ) ) {
|
|
emit message( TQString("Could not write to %1").arg(filename),
|
|
2000 );
|
|
return;
|
|
}
|
|
|
|
TQTextStream t( &f );
|
|
t << text;
|
|
f.close();
|
|
|
|
setCaption( filename );
|
|
|
|
emit message( TQString( "File %1 saved" ).arg( filename ), 2000 );
|
|
}
|
|
|
|
void MDIWindow::saveAs()
|
|
{
|
|
TQString fn = TQFileDialog::getSaveFileName( filename, TQString::null, this );
|
|
if ( !fn.isEmpty() ) {
|
|
filename = fn;
|
|
save();
|
|
} else {
|
|
emit message( "Saving aborted", 2000 );
|
|
}
|
|
}
|
|
|
|
void MDIWindow::print( TQPrinter* printer)
|
|
{
|
|
#ifndef TQT_NO_PRINTER
|
|
int pageNo = 1;
|
|
|
|
if ( printer->setup(this) ) { // printer dialog
|
|
printer->setFullPage( TRUE );
|
|
emit message( "Printing...", 0 );
|
|
TQPainter p;
|
|
if ( !p.begin( printer ) )
|
|
return; // paint on printer
|
|
TQPaintDeviceMetrics metrics( p.device() );
|
|
int dpiy = metrics.logicalDpiY();
|
|
int margin = (int) ( (2/2.54)*dpiy ); // 2 cm margins
|
|
TQRect view( margin, margin, metrics.width() - 2*margin, metrics.height() - 2*margin );
|
|
TQSimpleRichText richText( TQStyleSheet::convertFromPlainText(medit->text()),
|
|
TQFont(),
|
|
medit->context(),
|
|
medit->styleSheet(),
|
|
medit->mimeSourceFactory(),
|
|
view.height() );
|
|
richText.setWidth( &p, view.width() );
|
|
int page = 1;
|
|
do {
|
|
richText.draw( &p, margin, margin, view, colorGroup() );
|
|
view.moveBy( 0, view.height() );
|
|
p.translate( 0 , -view.height() );
|
|
p.drawText( view.right() - p.fontMetrics().width( TQString::number( page ) ),
|
|
view.bottom() + p.fontMetrics().ascent() + 5, TQString::number( page ) );
|
|
if ( view.top() - margin >= richText.height() )
|
|
break;
|
|
TQString msg( "Printing (page " );
|
|
msg += TQString::number( ++pageNo );
|
|
msg += ")...";
|
|
emit message( msg, 0 );
|
|
printer->newPage();
|
|
page++;
|
|
} while (TRUE);
|
|
}
|
|
#endif
|
|
}
|