Add Qt3 development HEAD version

9 files changed, 446 insertions, 0 deletions

diff --git a/examples/dragdrop/dragdrop.doc b/examples/dragdrop/dragdrop.doc
new file mode 100644
index 0000000..25d3170
--- /dev/null
+++ b/examples/dragdrop/dragdrop.doc
@@ -0,0 +1,14 @@
+/*!   \page dragdrop-example.html
+
+  \ingroup examples
+  \title Drag and Drop
+
+  This program demonstrates Qt's drag and drop functionality.
+
+  See $QTDIR/examples/dragdrop for the source code.
+
+*/
+
+
+
+
diff --git a/examples/dragdrop/dragdrop.pro b/examples/dragdrop/dragdrop.pro
new file mode 100644
index 0000000..e560fbf
--- /dev/null
+++ b/examples/dragdrop/dragdrop.pro
@@ -0,0 +1,13 @@
+TEMPLATE	= app
+TARGET		= dragdrop
+
+CONFIG		+= qt warn_on release
+DEPENDPATH	= ../../include
+
+REQUIRES	= full-config
+
+HEADERS		= dropsite.h \
+		  secret.h
+SOURCES		= dropsite.cpp \
+		  main.cpp \
+		  secret.cpp
diff --git a/examples/dragdrop/dropsite.cpp b/examples/dragdrop/dropsite.cpp
new file mode 100644
index 0000000..86e0c27
--- /dev/null
+++ b/examples/dragdrop/dropsite.cpp
@@ -0,0 +1,158 @@
+/****************************************************************************
+**
+** Drop site example implementation
+**
+** Created : 979899
+**
+** Copyright (C) 1997-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for Qt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include "dropsite.h"
+#include "secret.h"
+#include <qevent.h>
+#include <qpixmap.h>
+#include <qdragobject.h>
+#include <qimage.h>
+#include <qdir.h>
+
+
+DropSite::DropSite( QWidget * parent, const char * name )
+    : QLabel( parent, name )
+{
+    setAcceptDrops(TRUE);
+}
+
+
+DropSite::~DropSite()
+{
+    // nothing necessary
+}
+
+
+void DropSite::dragMoveEvent( QDragMoveEvent *e )
+{
+    // Check if you want the drag at e->pos()...
+    // Give the user some feedback - only copy is possible
+    e->acceptAction( e->action() == QDropEvent::Copy );
+}
+
+
+void DropSite::dragEnterEvent( QDragEnterEvent *e )
+{
+    // Check if you want the drag...
+    if ( SecretDrag::canDecode( e )
+      || QTextDrag::canDecode( e )
+      || QImageDrag::canDecode( e )
+      || QUriDrag::canDecode( e ) )
+    {
+	e->accept();
+    }
+
+
+    // Give the user some feedback...
+    QString t;
+    const char *f;
+    for( int i=0; (f=e->format( i )); i++ ) {
+	if ( *(f) ) {
+	    if ( !t.isEmpty() )
+		t += "\n";
+	    t += f;
+	}
+    }
+    emit message( t );
+    setBackgroundColor(white);
+}
+
+void DropSite::dragLeaveEvent( QDragLeaveEvent * )
+{
+    // Give the user some feedback...
+    emit message("");
+    setBackgroundColor(lightGray);
+}
+
+
+void DropSite::dropEvent( QDropEvent * e )
+{
+    setBackgroundColor(lightGray);
+
+    // Try to decode to the data you understand...
+    QStrList strings;
+    if ( QUriDrag::decode( e, strings ) ) {
+	QString m("Full URLs:\n");
+	for (const char* u=strings.first(); u; u=strings.next())
+	    m = m + "   " + u + '\n';
+	QStringList files;
+	if ( QUriDrag::decodeLocalFiles( e, files ) ) {
+	    m += "Files:\n";
+	    for (QStringList::Iterator i=files.begin(); i!=files.end(); ++i)
+		m = m + "   " + QDir::convertSeparators(*i) + '\n';
+	}
+	setText( m );
+	setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
+	return;
+    }
+
+    QString str;
+    if ( QTextDrag::decode( e, str ) ) {
+	setText( str );
+	setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
+	return;
+    }
+
+    QPixmap pm;
+    if ( QImageDrag::decode( e, pm ) ) {
+	setPixmap( pm );
+	setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
+	return;
+    }
+
+    if ( SecretDrag::decode( e, str ) ) {
+	setText( str );
+	setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
+	return;
+    }
+}
+
+DragMoviePlayer::DragMoviePlayer( QDragObject* p ) :
+    QObject(p),
+    dobj(p),
+    movie("trolltech.gif" )
+{
+    movie.connectUpdate(this,SLOT(updatePixmap(const QRect&)));
+}
+
+void DragMoviePlayer::updatePixmap( const QRect& )
+{
+    dobj->setPixmap(movie.framePixmap());
+}
+
+void DropSite::mousePressEvent( QMouseEvent * /*e*/ )
+{
+    QDragObject *drobj;
+    if ( pixmap() ) {
+	drobj = new QImageDrag( pixmap()->convertToImage(), this );
+#if 1
+	QPixmap pm;
+	pm.convertFromImage(pixmap()->convertToImage().smoothScale(
+	    pixmap()->width()/3,pixmap()->height()/3));
+	drobj->setPixmap(pm,QPoint(-5,-7));
+#else
+	// Try it.
+	(void)new DragMoviePlayer(drobj);
+#endif
+    } else {
+	drobj = new QTextDrag( text(), this );
+    }
+    drobj->dragCopy();
+}
+
+
+void DropSite::backgroundColorChange( const QColor & )
+{
+    // Reduce flicker by using repaint() rather than update()
+    repaint();
+}
diff --git a/examples/dragdrop/dropsite.h b/examples/dragdrop/dropsite.h
new file mode 100644
index 0000000..00f35e3
--- /dev/null
+++ b/examples/dragdrop/dropsite.h
@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Drop site example implementation
+**
+** Created : 979899
+**
+** Copyright (C) 1997-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for Qt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#ifndef DROPSITE_H
+#define DROPSITE_H
+
+#include <qlabel.h>
+#include <qmovie.h>
+#include "qdropsite.h"
+
+class QDragObject;
+
+class DropSite: public QLabel
+{
+    Q_OBJECT
+public:
+    DropSite( QWidget * parent = 0, const char * name = 0 );
+    ~DropSite();
+
+signals:
+    void message( const QString& );
+
+protected:
+    void dragEnterEvent( QDragEnterEvent * );
+    void dragMoveEvent( QDragMoveEvent * );
+    void dragLeaveEvent( QDragLeaveEvent * );
+    void dropEvent( QDropEvent * );
+    void backgroundColorChange( const QColor& );
+
+    // this is a normal even
+    void mousePressEvent( QMouseEvent * );
+};
+
+class DragMoviePlayer : public QObject {
+    Q_OBJECT
+    QDragObject* dobj;
+    QMovie movie;
+public:
+    DragMoviePlayer(QDragObject*);
+private slots:
+    void updatePixmap( const QRect& );
+};
+
+
+#endif
diff --git a/examples/dragdrop/main.cpp b/examples/dragdrop/main.cpp
new file mode 100644
index 0000000..e318518
--- /dev/null
+++ b/examples/dragdrop/main.cpp
@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** Ritual main() for Qt applications
+**
+** Copyright (C) 1996-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for Qt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include <qapplication.h>
+#include "dropsite.h"
+#include "secret.h"
+#include <qlayout.h>
+#include <qcombobox.h>
+#include <qlabel.h>
+#include <qpixmap.h>
+
+static void addStuff( QWidget * parent, bool image, bool secret = FALSE )
+{
+    QVBoxLayout * tll = new QVBoxLayout( parent, 10 );
+    DropSite * d = new DropSite( parent );
+    d->setFrameStyle( QFrame::Sunken + QFrame::WinPanel );
+    tll->addWidget( d );
+    if ( image ) {
+	QPixmap stuff;
+	if ( !stuff.load( "trolltech.bmp" ) ) {
+	    stuff = QPixmap(20,20);
+	    stuff.fill(Qt::green);
+	}
+	d->setPixmap( stuff );
+    } else {
+	d->setText("Drag and Drop");
+    }
+    d->setFont(QFont("Helvetica",18));
+    if ( secret ) {
+	SecretSource *s = new SecretSource( 42, parent );
+	tll->addWidget( s );
+    }
+
+    QLabel * format = new QLabel( "\n\n\n\nNone\n\n\n\n", parent );
+    tll->addWidget( format );
+    tll->activate();
+    parent->resize( parent->sizeHint() );
+
+    QObject::connect( d, SIGNAL(message(const QString&)),
+		      format, SLOT(setText(const QString&)) );
+}
+
+
+int main( int argc, char ** argv )
+{
+    QApplication a( argc, argv );
+
+    QWidget mw;
+    addStuff( &mw, TRUE );
+    mw.setCaption( "Qt Example - Drag and Drop" );
+    mw.show();
+
+    QWidget mw2;
+    addStuff( &mw2, FALSE );
+    mw2.setCaption( "Qt Example - Drag and Drop" );
+    mw2.show();
+
+    QWidget mw3;
+    addStuff( &mw3, TRUE, TRUE );
+    mw3.setCaption( "Qt Example - Drag and Drop" );
+    mw3.show();
+
+    QObject::connect(qApp,SIGNAL(lastWindowClosed()),qApp,SLOT(quit()));
+    return a.exec();
+}
diff --git a/examples/dragdrop/secret.cpp b/examples/dragdrop/secret.cpp
new file mode 100644
index 0000000..c67669a
--- /dev/null
+++ b/examples/dragdrop/secret.cpp
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Custom MIME type implementation example
+**
+** Created : 979899
+**
+** Copyright (C) 1997-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for Qt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include "secret.h"
+#include <qevent.h>
+
+
+//create the object withe the secret byte
+SecretDrag::SecretDrag( uchar secret, QWidget * parent, const char * name )
+    : QStoredDrag( "secret/magic", parent, name )
+{
+    QByteArray data(1);
+    data[0]= secret;
+    setEncodedData( data );
+}
+
+
+bool SecretDrag::canDecode( QDragMoveEvent* e )
+{
+    return e->provides( "secret/magic" );
+}
+
+//decode it into a string
+bool SecretDrag::decode( QDropEvent* e, QString& str )
+{
+    QByteArray payload = e->data( "secret/magic" );
+    if ( payload.size() ) {
+	e->accept();
+	QString msg;
+	msg.sprintf("The secret number is %d", payload[0] );
+	str = msg;
+	return TRUE;
+    }
+    return FALSE;
+}
+
+
+SecretSource::SecretSource( int secret, QWidget *parent, const char * name )
+    : QLabel( "Secret", parent, name )
+{
+    setBackgroundColor( blue.light() );
+    setFrameStyle( Box | Sunken );
+    setMinimumHeight( sizeHint().height()*2 );
+    setAlignment( AlignCenter );
+    mySecret = secret;
+}
+
+SecretSource::~SecretSource()
+{
+}
+
+/* XPM */
+static const char * picture_xpm[] = {
+"16 16 3 1",
+" 	c None",
+".	c #000000",
+"X	c #FFFF00",
+"     .....      ",
+"   ..XXXXX..    ",
+"  .XXXXXXXXX.   ",
+" .XXXXXXXXXXX.  ",
+" .XX..XXX..XX.  ",
+".XXXXXXXXXXXXX. ",
+".XX...XXX...XX. ",
+".XXX..XXX..XXX. ",
+".XXXXXXXXXXXXX. ",
+".XXXXXX.XXXXXX. ",
+" .XX.XX.XX.XX.  ",
+" .XXX..X..XXX.  ",
+"  .XXXXXXXXX.   ",
+"   ..XXXXX..    ",
+"     .....      ",
+"                "};
+
+void SecretSource::mousePressEvent( QMouseEvent * /*e*/ )
+{
+    SecretDrag *sd = new SecretDrag( mySecret, this );
+    sd->setPixmap(QPixmap(picture_xpm),QPoint(8,8));
+    sd->dragCopy();
+    mySecret++;
+}
diff --git a/examples/dragdrop/secret.h b/examples/dragdrop/secret.h
new file mode 100644
index 0000000..98af540
--- /dev/null
+++ b/examples/dragdrop/secret.h
@@ -0,0 +1,42 @@
+/****************************************************************************
+**
+** Custom MIME type implementation example
+**
+** Created : 979899
+**
+** Copyright (C) 1997-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for Qt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#ifndef SECRETDRAG_H
+#define SECRETDRAG_H
+
+#include <qdragobject.h>
+#include <qlabel.h>
+
+class SecretDrag: public QStoredDrag {
+public:
+    SecretDrag( uchar, QWidget * parent = 0, const char * name = 0 );
+    ~SecretDrag() {};
+
+    static bool canDecode( QDragMoveEvent* e );
+    static bool decode( QDropEvent* e, QString& s );
+};
+
+
+class SecretSource: public QLabel
+{
+public:
+    SecretSource( int secret, QWidget *parent = 0, const char * name = 0 );
+    ~SecretSource();
+
+protected:
+    void mousePressEvent( QMouseEvent * );
+private:
+    int mySecret;
+};
+
+#endif
diff --git a/examples/dragdrop/trolltech.bmp b/examples/dragdrop/trolltech.bmp
new file mode 100644
index 0000000..220861e
--- /dev/null
+++ b/examples/dragdrop/trolltech.bmp
diff --git a/examples/dragdrop/trolltech.gif b/examples/dragdrop/trolltech.gif
new file mode 100644
index 0000000..f674369
--- /dev/null
+++ b/examples/dragdrop/trolltech.gif