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292 lines
7.5 KiB
292 lines
7.5 KiB
/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include <ntqapplication.h>
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#include <ntqfiledialog.h>
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#include <ntqpushbutton.h>
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#include <ntqlabel.h>
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#include <ntqpainter.h>
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#include <ntqmessagebox.h>
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#include <ntqmovie.h>
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#include <ntqvbox.h>
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class MovieScreen : public TQFrame {
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TQ_OBJECT
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TQMovie movie;
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TQString filename;
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TQSize sh;
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public:
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MovieScreen(const char* fname, TQMovie m, TQWidget* p=0, const char* name=0, WFlags f=0) :
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TQFrame(p, name, f),
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sh(100,100)
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{
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setCaption(fname);
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filename = fname;
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movie = m;
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// Set a frame around the movie.
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setFrameStyle(TQFrame::WinPanel|TQFrame::Sunken);
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// No background needed, since we draw on the whole widget.
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movie.setBackgroundColor(backgroundColor());
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setBackgroundMode(NoBackground);
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// Get the movie to tell use when interesting things happen.
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movie.connectUpdate(this, SLOT(movieUpdated(const TQRect&)));
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movie.connectResize(this, SLOT(movieResized(const TQSize&)));
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movie.connectStatus(this, SLOT(movieStatus(int)));
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setSizePolicy(TQSizePolicy(TQSizePolicy::Expanding,TQSizePolicy::Expanding));
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}
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TQSize sizeHint() const
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{
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return sh;
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}
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protected:
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// Draw the contents of the TQFrame - the movie and on-screen-display
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void drawContents(TQPainter* p)
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{
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// Get the current movie frame.
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TQPixmap pm = movie.framePixmap();
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// Get the area we have to draw in.
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TQRect r = contentsRect();
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if ( !pm.isNull() ) {
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// Only rescale is we need to - it can take CPU!
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if ( r.size() != pm.size() ) {
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TQWMatrix m;
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m.scale((double)r.width()/pm.width(),
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(double)r.height()/pm.height());
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pm = pm.xForm(m);
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}
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// Draw the [possibly scaled] frame. movieUpdated() below calls
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// repaint with only the changed area, so clipping will ensure we
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// only do the minimum amount of rendering.
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//
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p->drawPixmap(r.x(), r.y(), pm);
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}
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// The on-screen display
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const char* message = 0;
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if (movie.paused()) {
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message = "PAUSED";
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} else if (movie.finished()) {
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message = "THE END";
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} else if (movie.steps() > 0) {
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message = "FF >>";
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}
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if (message) {
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// Find a good font size...
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p->setFont(TQFont("Helvetica", 24));
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TQFontMetrics fm = p->fontMetrics();
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if ( fm.width(message) > r.width()-10 )
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p->setFont(TQFont("Helvetica", 18));
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fm = p->fontMetrics();
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if ( fm.width(message) > r.width()-10 )
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p->setFont(TQFont("Helvetica", 14));
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fm = p->fontMetrics();
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if ( fm.width(message) > r.width()-10 )
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p->setFont(TQFont("Helvetica", 12));
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fm = p->fontMetrics();
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if ( fm.width(message) > r.width()-10 )
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p->setFont(TQFont("Helvetica", 10));
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// "Shadow" effect.
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p->setPen(black);
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p->drawText(1, 1, width()-1, height()-1, AlignCenter, message);
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p->setPen(white);
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p->drawText(0, 0, width()-1, height()-1, AlignCenter, message);
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}
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}
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public slots:
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void restart()
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{
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movie.restart();
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repaint();
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}
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void togglePause()
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{
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if ( movie.paused() )
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movie.unpause();
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else
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movie.pause();
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repaint();
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}
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void step()
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{
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movie.step();
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repaint();
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}
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void step10()
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{
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movie.step(10);
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repaint();
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}
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private slots:
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void movieUpdated(const TQRect& area)
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{
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if (!isVisible())
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show();
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// The given area of the movie has changed.
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TQRect r = contentsRect();
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if ( r.size() != movie.framePixmap().size() ) {
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// Need to scale - redraw whole frame.
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repaint( r );
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} else {
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// Only redraw the changed area of the frame
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repaint( area.x()+r.x(), area.y()+r.x(),
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area.width(), area.height() );
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}
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}
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void movieResized(const TQSize& size)
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{
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// The movie changed size, probably from its initial zero size.
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int fw = frameWidth();
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sh = TQSize( size.width() + fw*2, size.height() + fw*2 );
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updateGeometry();
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if ( parentWidget() && parentWidget()->isHidden() )
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parentWidget()->show();
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}
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void movieStatus(int status)
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{
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// The movie has sent us a status message.
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if (status < 0) {
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TQString msg;
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msg.sprintf("Could not play movie \"%s\"", (const char*)filename);
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TQMessageBox::warning(this, "movies", msg);
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parentWidget()->close();
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} else if (status == TQMovie::Paused || status == TQMovie::EndOfMovie) {
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repaint(); // Ensure status text is displayed
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}
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}
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};
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class MoviePlayer : public TQVBox {
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MovieScreen* movie;
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public:
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MoviePlayer(const char* fname, TQMovie m, TQWidget* p=0, const char* name=0, WFlags f=0) :
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TQVBox(p,name,f)
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{
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movie = new MovieScreen(fname, m, this);
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TQHBox* hb = new TQHBox(this);
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TQPushButton* btn;
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btn = new TQPushButton("<<", hb);
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connect(btn, SIGNAL(clicked()), movie, SLOT(restart()));
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btn = new TQPushButton("||", hb);
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connect(btn, SIGNAL(clicked()), movie, SLOT(togglePause()));
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btn = new TQPushButton(">|", hb);
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connect(btn, SIGNAL(clicked()), movie, SLOT(step()));
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btn = new TQPushButton(">>|", hb);
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connect(btn, SIGNAL(clicked()), movie, SLOT(step10()));
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}
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};
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// A TQFileDialog that chooses movies.
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//
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class MovieStarter: public TQFileDialog {
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TQ_OBJECT
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public:
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MovieStarter(const char *dir);
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public slots:
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void startMovie(const TQString& filename);
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// TQDialog's method - normally closes the file dialog.
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// We want it left open, and we want Cancel to quit everything.
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void done( int r );
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};
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MovieStarter::MovieStarter(const char *dir)
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: TQFileDialog(dir, "*.gif *.mng")
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{
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//behave as in getOpenFilename
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setMode( ExistingFile );
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// When a file is selected, show it as a movie.
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connect(this, SIGNAL(fileSelected(const TQString&)),
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this, SLOT(startMovie(const TQString&)));
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}
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void MovieStarter::startMovie(const TQString& filename)
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{
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if ( filename ) // Start a new movie - have it delete when closed.
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(new MoviePlayer( filename, TQMovie(filename), 0, 0,
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WDestructiveClose))->show();
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}
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void MovieStarter::done( int r )
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{
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if (r != Accepted)
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tqApp->quit(); // end on Cancel
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setResult( r );
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// And don't hide.
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}
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int main(int argc, char **argv)
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{
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TQApplication a(argc, argv);
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if (argc > 1) {
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// Commandline mode - show movies given on the command line
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//
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bool gui=TRUE;
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for (int arg=1; arg<argc; arg++) {
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if ( TQString(argv[arg]) == "-i" )
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gui = !gui;
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else if ( gui )
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(void)new MoviePlayer(argv[arg], TQMovie(argv[arg]), 0, 0,
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TQt::WDestructiveClose);
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else
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(void)new MovieScreen(argv[arg], TQMovie(argv[arg]), 0, 0,
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TQt::WDestructiveClose);
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}
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TQObject::connect(tqApp, SIGNAL(lastWindowClosed()), tqApp, SLOT(quit()));
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} else {
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// "GUI" mode - open a chooser for movies
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//
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MovieStarter* fd = new MovieStarter(".");
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fd->show();
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}
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// Go!
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return a.exec();
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}
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#include "main.moc"
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