summaryrefslogtreecommitdiffstats
path: root/doc/html/movies-example.html
diff options
context:
space:
mode:
authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
commitd796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch)
tree6e3dcca4f77e20ec8966c666aac7c35bd4704053 /doc/html/movies-example.html
downloadtqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz
tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
Diffstat (limited to 'doc/html/movies-example.html')
-rw-r--r--doc/html/movies-example.html344
1 files changed, 344 insertions, 0 deletions
diff --git a/doc/html/movies-example.html b/doc/html/movies-example.html
new file mode 100644
index 00000000..d2b292bc
--- /dev/null
+++ b/doc/html/movies-example.html
@@ -0,0 +1,344 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/movies/movies.doc:4 -->
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Movies or the Story of the Animated GIF file</title>
+<style type="text/css"><!--
+fn { margin-left: 1cm; text-indent: -1cm; }
+a:link { color: #004faf; text-decoration: none }
+a:visited { color: #672967; text-decoration: none }
+body { background: #ffffff; color: black; }
+--></style>
+</head>
+<body>
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+<tr bgcolor="#E5E5E5">
+<td valign=center>
+ <a href="index.html">
+<font color="#004faf">Home</font></a>
+ | <a href="classes.html">
+<font color="#004faf">All&nbsp;Classes</font></a>
+ | <a href="mainclasses.html">
+<font color="#004faf">Main&nbsp;Classes</font></a>
+ | <a href="annotated.html">
+<font color="#004faf">Annotated</font></a>
+ | <a href="groups.html">
+<font color="#004faf">Grouped&nbsp;Classes</font></a>
+ | <a href="functions.html">
+<font color="#004faf">Functions</font></a>
+</td>
+<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Movies or the Story of the Animated GIF file</h1>
+
+
+<p>
+The Movies example displays MNG and animated GIF files using the <a href="qmovie.html">TQMovie</a> and
+<a href="qlabel.html">TQLabel</a> classes.
+<p> The movies will only read an animated GIF if GIF reading was enabled when TQt was built.
+<p> <hr>
+<p> Main:
+<p> <pre>/****************************************************************************
+** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $
+**
+** Copyright (C) 1992-2007 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 &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
+#include &lt;<a href="qfiledialog-h.html">qfiledialog.h</a>&gt;
+#include &lt;<a href="qpushbutton-h.html">qpushbutton.h</a>&gt;
+#include &lt;<a href="qlabel-h.html">qlabel.h</a>&gt;
+#include &lt;<a href="qpainter-h.html">qpainter.h</a>&gt;
+#include &lt;<a href="qmessagebox-h.html">qmessagebox.h</a>&gt;
+#include &lt;<a href="qmovie-h.html">qmovie.h</a>&gt;
+#include &lt;<a href="qvbox-h.html">qvbox.h</a>&gt;
+
+
+class MovieScreen : public <a href="qframe.html">TQFrame</a> {
+ <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>
+ <a href="qmovie.html">TQMovie</a> movie;
+ <a href="qstring.html">TQString</a> filename;
+ <a href="qsize.html">TQSize</a> sh;
+
+public:
+ MovieScreen(const char* fname, TQMovie m, TQWidget* p=0, const char* name=0, WFlags f=0) :
+ <a href="qframe.html">TQFrame</a>(p, name, f),
+ sh(100,100)
+ {
+ setCaption(fname);
+ filename = fname;
+ movie = m;
+
+ // Set a frame around the movie.
+ setFrameStyle(TQFrame::WinPanel|TQFrame::Sunken);
+
+ // No background needed, since we draw on the whole widget.
+<a name="x523"></a> movie.<a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>(backgroundColor());
+ setBackgroundMode(NoBackground);
+
+ // Get the movie to tell use when interesting things happen.
+<a name="x500"></a> movie.<a href="qmovie.html#connectUpdate">connectUpdate</a>(this, SLOT(movieUpdated(const <a href="qrect.html">TQRect</a>&amp;)));
+<a name="x498"></a> movie.<a href="qmovie.html#connectResize">connectResize</a>(this, SLOT(movieResized(const <a href="qsize.html">TQSize</a>&amp;)));
+<a name="x499"></a> movie.<a href="qmovie.html#connectStatus">connectStatus</a>(this, SLOT(movieStatus(int)));
+
+ setSizePolicy(TQSizePolicy(TQSizePolicy::Expanding,TQSizePolicy::Expanding));
+ }
+
+ <a href="qsize.html">TQSize</a> sizeHint() const
+ {
+ return sh;
+ }
+
+protected:
+
+ // Draw the contents of the TQFrame - the movie and on-screen-display
+ void drawContents(TQPainter* p)
+ {
+ // Get the current movie frame.
+<a name="x502"></a> <a href="qpixmap.html">TQPixmap</a> pm = movie.<a href="qmovie.html#framePixmap">framePixmap</a>();
+
+ // Get the area we have to draw in.
+ <a href="qrect.html">TQRect</a> r = contentsRect();
+
+<a name="x511"></a> if ( !pm.<a href="qpixmap.html#isNull">isNull</a>() ) {
+ // Only rescale is we need to - it can take CPU!
+<a name="x516"></a><a name="x512"></a> if ( r.<a href="qrect.html#size">size</a>() != pm.<a href="qpixmap.html#size">size</a>() ) {
+ <a href="qwmatrix.html">TQWMatrix</a> m;
+<a name="x524"></a><a name="x517"></a><a name="x513"></a> m.<a href="qwmatrix.html#scale">scale</a>((double)r.<a href="qrect.html#width">width</a>()/pm.<a href="qpixmap.html#width">width</a>(),
+<a name="x515"></a><a name="x510"></a> (double)r.<a href="qrect.html#height">height</a>()/pm.<a href="qpixmap.html#height">height</a>());
+<a name="x514"></a> pm = pm.<a href="qpixmap.html#xForm">xForm</a>(m);
+ }
+
+ // Draw the [possibly scaled] frame. movieUpdated() below calls
+ // repaint with only the changed area, so clipping will ensure we
+ // only do the minimum amount of rendering.
+ //
+<a name="x519"></a><a name="x518"></a> p-&gt;drawPixmap(r.<a href="qrect.html#x">x</a>(), r.<a href="qrect.html#y">y</a>(), pm);
+ }
+
+
+ // The on-screen display
+
+ const char* message = 0;
+
+<a name="x504"></a> if (movie.<a href="qmovie.html#paused">paused</a>()) {
+ message = "PAUSED";
+<a name="x501"></a> } else if (movie.<a href="qmovie.html#finished">finished</a>()) {
+ message = "THE END";
+<a name="x507"></a> } else if (movie.<a href="qmovie.html#steps">steps</a>() &gt; 0) {
+ message = "FF &gt;&gt;";
+ }
+
+ if (message) {
+ // Find a good font size...
+ p-&gt;setFont(TQFont("Helvetica", 24));
+
+ <a href="qfontmetrics.html">TQFontMetrics</a> fm = p-&gt;fontMetrics();
+<a name="x496"></a> if ( fm.<a href="qfontmetrics.html#width">width</a>(message) &gt; r.<a href="qrect.html#width">width</a>()-10 )
+ p-&gt;setFont(TQFont("Helvetica", 18));
+
+ fm = p-&gt;fontMetrics();
+ if ( fm.<a href="qfontmetrics.html#width">width</a>(message) &gt; r.<a href="qrect.html#width">width</a>()-10 )
+ p-&gt;setFont(TQFont("Helvetica", 14));
+
+ fm = p-&gt;fontMetrics();
+ if ( fm.<a href="qfontmetrics.html#width">width</a>(message) &gt; r.<a href="qrect.html#width">width</a>()-10 )
+ p-&gt;setFont(TQFont("Helvetica", 12));
+
+ fm = p-&gt;fontMetrics();
+ if ( fm.<a href="qfontmetrics.html#width">width</a>(message) &gt; r.<a href="qrect.html#width">width</a>()-10 )
+ p-&gt;setFont(TQFont("Helvetica", 10));
+
+ // "Shadow" effect.
+ p-&gt;setPen(black);
+ p-&gt;drawText(1, 1, width()-1, height()-1, AlignCenter, message);
+ p-&gt;setPen(white);
+ p-&gt;drawText(0, 0, width()-1, height()-1, AlignCenter, message);
+ }
+ }
+
+public slots:
+ void restart()
+ {
+<a name="x505"></a> movie.<a href="qmovie.html#restart">restart</a>();
+ repaint();
+ }
+
+ void togglePause()
+ {
+ if ( movie.<a href="qmovie.html#paused">paused</a>() )
+<a name="x508"></a> movie.<a href="qmovie.html#unpause">unpause</a>();
+ else
+<a name="x503"></a> movie.<a href="qmovie.html#pause">pause</a>();
+ repaint();
+ }
+
+ void step()
+ {
+<a name="x506"></a> movie.<a href="qmovie.html#step">step</a>();
+ repaint();
+ }
+
+ void step10()
+ {
+ movie.<a href="qmovie.html#step">step</a>(10);
+ repaint();
+ }
+
+private slots:
+ void movieUpdated(const <a href="qrect.html">TQRect</a>&amp; area)
+ {
+ if (!isVisible())
+ show();
+
+ // The given area of the movie has changed.
+
+ <a href="qrect.html">TQRect</a> r = contentsRect();
+
+ if ( r.<a href="qrect.html#size">size</a>() != movie.<a href="qmovie.html#framePixmap">framePixmap</a>().size() ) {
+ // Need to scale - redraw whole frame.
+ repaint( r );
+ } else {
+ // Only redraw the changed area of the frame
+ repaint( area.<a href="qrect.html#x">x</a>()+r.<a href="qrect.html#x">x</a>(), area.<a href="qrect.html#y">y</a>()+r.<a href="qrect.html#x">x</a>(),
+ area.<a href="qrect.html#width">width</a>(), area.<a href="qrect.html#height">height</a>() );
+ }
+ }
+
+ void movieResized(const <a href="qsize.html">TQSize</a>&amp; size)
+ {
+ // The movie changed size, probably from its initial zero size.
+
+ int fw = frameWidth();
+<a name="x521"></a><a name="x520"></a> sh = TQSize( size.<a href="qsize.html#width">width</a>() + fw*2, size.<a href="qsize.html#height">height</a>() + fw*2 );
+ <a href="qwidget.html#updateGeometry">updateGeometry</a>();
+ if ( <a href="qwidget.html#parentWidget">parentWidget</a>() &amp;&amp; parentWidget()-&gt;isHidden() )
+ <a href="qwidget.html#parentWidget">parentWidget</a>()-&gt;show();
+ }
+
+ void movieStatus(int status)
+ {
+ // The movie has sent us a status message.
+
+ if (status &lt; 0) {
+ <a href="qstring.html">TQString</a> msg;
+ msg.<a href="qstring.html#sprintf">sprintf</a>("Could not play movie \"%s\"", (const char*)filename);
+ TQMessageBox::<a href="qmessagebox.html#warning">warning</a>(this, "movies", msg);
+ <a href="qwidget.html#parentWidget">parentWidget</a>()-&gt;close();
+ } else if (status == TQMovie::Paused || status == TQMovie::EndOfMovie) {
+ <a href="qwidget.html#repaint">repaint</a>(); // Ensure status text is displayed
+ }
+ }
+};
+
+class MoviePlayer : public <a href="qvbox.html">TQVBox</a> {
+ MovieScreen* movie;
+public:
+ MoviePlayer(const char* fname, TQMovie m, TQWidget* p=0, const char* name=0, WFlags f=0) :
+ <a href="qvbox.html">TQVBox</a>(p,name,f)
+ {
+ movie = new MovieScreen(fname, m, this);
+ <a href="qhbox.html">TQHBox</a>* hb = new <a href="qhbox.html">TQHBox</a>(this);
+ <a href="qpushbutton.html">TQPushButton</a>* btn;
+ btn = new <a href="qpushbutton.html">TQPushButton</a>("&lt;&lt;", hb);
+ <a href="qobject.html#connect">connect</a>(btn, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), movie, SLOT(<a href="qmovie.html#restart">restart</a>()));
+ btn = new <a href="qpushbutton.html">TQPushButton</a>("||", hb);
+ <a href="qobject.html#connect">connect</a>(btn, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), movie, SLOT(togglePause()));
+ btn = new <a href="qpushbutton.html">TQPushButton</a>("&gt;|", hb);
+ <a href="qobject.html#connect">connect</a>(btn, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), movie, SLOT(<a href="qmovie.html#step">step</a>()));
+ btn = new <a href="qpushbutton.html">TQPushButton</a>("&gt;&gt;|", hb);
+ <a href="qobject.html#connect">connect</a>(btn, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), movie, SLOT(step10()));
+ }
+};
+
+
+// A TQFileDialog that chooses movies.
+//
+class MovieStarter: public <a href="qfiledialog.html">TQFileDialog</a> {
+ Q_OBJECT
+public:
+ MovieStarter(const char *dir);
+
+public slots:
+ void startMovie(const <a href="qstring.html">TQString</a>&amp; filename);
+ // TQDialog's method - normally closes the file dialog.
+ // We want it left open, and we want Cancel to tquit everything.
+ void done( int r );
+};
+
+
+<a name="f258"></a>MovieStarter::MovieStarter(const char *dir)
+ : <a href="qfiledialog.html">TQFileDialog</a>(dir, "*.gif *.mng")
+{
+ //behave as in getOpenFilename
+ <a href="qfiledialog.html#setMode">setMode</a>( ExistingFile );
+ // When a file is selected, show it as a movie.
+ <a href="qobject.html#connect">connect</a>(this, SIGNAL(<a href="qfiledialog.html#fileSelected">fileSelected</a>(const <a href="qstring.html">TQString</a>&amp;)),
+ this, SLOT(startMovie(const <a href="qstring.html">TQString</a>&amp;)));
+}
+
+
+void <a name="f259"></a>MovieStarter::startMovie(const <a href="qstring.html">TQString</a>&amp; filename)
+{
+ if ( filename ) // Start a new movie - have it delete when closed.
+ (new MoviePlayer( filename, TQMovie(filename), 0, 0,
+ WDestructiveClose))-&gt;show();
+}
+
+<a name="x495"></a>void MovieStarter::<a href="qdialog.html#done">done</a>( int r )
+{
+ if (r != Accepted)
+ qApp-&gt;<a href="qapplication.html#tquit">tquit</a>(); // end on Cancel
+ <a href="qdialog.html#setResult">setResult</a>( r );
+
+ // And don't hide.
+}
+
+
+int main(int argc, char **argv)
+{
+ <a href="qapplication.html">TQApplication</a> a(argc, argv);
+
+ if (argc &gt; 1) {
+ // Commandline mode - show movies given on the command line
+ //
+ bool gui=TRUE;
+ for (int arg=1; arg&lt;argc; arg++) {
+ if ( TQString(argv[arg]) == "-i" )
+ gui = !gui;
+ else if ( gui )
+ (void)new MoviePlayer(argv[arg], TQMovie(argv[arg]), 0, 0,
+ TQt::WDestructiveClose);
+ else
+ (void)new MovieScreen(argv[arg], TQMovie(argv[arg]), 0, 0,
+ TQt::WDestructiveClose);
+ }
+ TQObject::<a href="qobject.html#connect">connect</a>(qApp, SIGNAL(<a href="qapplication.html#lastWindowClosed">lastWindowClosed</a>()), qApp, SLOT(<a href="qapplication.html#tquit">tquit</a>()));
+ } else {
+ // "GUI" mode - open a chooser for movies
+ //
+ MovieStarter* fd = new MovieStarter(".");
+<a name="x494"></a> fd-&gt;<a href="qdialog.html#show">show</a>();
+ }
+
+ // Go!
+ return a.<a href="qapplication.html#exec">exec</a>();
+}
+
+#include "main.moc"
+</pre>
+
+<p>See also <a href="examples.html">Examples</a>.
+
+<!-- eof -->
+<p><address><hr><div align=center>
+<table width=100% cellspacing=0 border=0><tr>
+<td>Copyright &copy; 2007
+<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
+<td align=right><div align=right>TQt 3.3.8</div>
+</table></div></address></body>
+</html>