No OneTemporary
Actions

Size

24 KB

Referenced Files

None

Subscribers

None

View Options

	diff --git a/interfaces/kmediaplayer/CMakeLists.txt b/interfaces/kmediaplayer/CMakeLists.txt
	index 0482d8050c..413f2002b0 100644
	--- a/interfaces/kmediaplayer/CMakeLists.txt
	+++ b/interfaces/kmediaplayer/CMakeLists.txt
	@@ -1,33 +1,34 @@
	add_subdirectory( kfileaudiopreview )


	include_directories( ${KDE4_KPARTS_INCLUDES} )

	########### next target ###############

	set(kmediaplayer_LIB_SRCS
	player.cpp
	view.cpp
	kmediaplayeradaptor.cpp
	)


	kde4_add_library(kmediaplayer ${LIBRARY_TYPE} ${kmediaplayer_LIB_SRCS})
	-generate_export_header(kmediaplayer)
	+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/kmediaplayer)
	+generate_export_header(kmediaplayer EXPORT_FILE_NAME kmediaplayer/kmediaplayer_export.h)

	target_link_libraries(kmediaplayer ${KDE4_KPARTS_LIBS} )
	target_link_libraries(kmediaplayer LINK_INTERFACE_LIBRARIES ${KDE4_KPARTS_LIBS} ${QT_QTGUI_LIBRARY} )

	set_target_properties(kmediaplayer PROPERTIES
	VERSION ${GENERIC_LIB_VERSION}
	SOVERSION ${GENERIC_LIB_SOVERSION}
	)
	install(TARGETS kmediaplayer ${INSTALL_TARGETS_DEFAULT_ARGS})


	########### install files ###############

	install( FILES ${CMAKE_CURRENT_BINARY_DIR}/kmediaplayer_export.h player.h view.h DESTINATION ${INCLUDE_INSTALL_DIR}/kmediaplayer COMPONENT Devel)

	install( FILES kmediaplayerengine.desktop kmediaplayer.desktop DESTINATION ${SERVICETYPES_INSTALL_DIR} )
	install( FILES org.kde.KMediaPlayer.xml DESTINATION ${DBUS_INTERFACES_INSTALL_DIR} )
	diff --git a/kio/kfile/kfilemetapreview.cpp b/kio/kfile/kfilemetapreview.cpp
	index f9c9ed350e..3024d583a6 100644
	--- a/kio/kfile/kfilemetapreview.cpp
	+++ b/kio/kfile/kfilemetapreview.cpp
	@@ -1,200 +1,200 @@
	/*
	* This file is part of the KDE project.
	* Copyright (C) 2003 Carsten Pfeiffer <pfeiffer@kde.org>
	*
	* You can Freely distribute this program under the GNU Library General Public
	* License. See the file "COPYING" for the exact licensing terms.
	*/

	#include "kfilemetapreview.h"

	#include <QLayout>

	#include <kdebug.h>
	#include <kio/previewjob.h>
	#include <kpluginloader.h>
	#include <kpluginfactory.h>
	#include <kimagefilepreview.h>

	bool KFileMetaPreview::s_tryAudioPreview = true;

	KFileMetaPreview::KFileMetaPreview( QWidget *parent )
	: KPreviewWidgetBase( parent ),
	haveAudioPreview( false )
	{
	QHBoxLayout *layout = new QHBoxLayout( this );
	layout->setMargin( 0 );
	m_stack = new QStackedWidget( this );
	layout->addWidget( m_stack );

	// ###
	// m_previewProviders.setAutoDelete( true );
	initPreviewProviders();
	}

	KFileMetaPreview::~KFileMetaPreview()
	{
	}

	void KFileMetaPreview::initPreviewProviders()
	{
	qDeleteAll(m_previewProviders);
	m_previewProviders.clear();
	// hardcoded so far

	// image previews
	KImageFilePreview *imagePreview = new KImageFilePreview( m_stack );
	(void) m_stack->addWidget( imagePreview );
	m_stack->setCurrentWidget ( imagePreview );
	resize( imagePreview->sizeHint() );

	const QStringList mimeTypes = imagePreview->supportedMimeTypes();
	QStringList::ConstIterator it = mimeTypes.begin();
	for ( ; it != mimeTypes.end(); ++it )
	{
	// qDebug(".... %s", (*it).toLatin1().constData());
	m_previewProviders.insert( *it, imagePreview );
	}
	}

	KPreviewWidgetBase* KFileMetaPreview::findExistingProvider(const QString& mimeType, const KMimeType::Ptr& mimeInfo) const
	{
	KPreviewWidgetBase* provider = m_previewProviders.value(mimeType);
	if ( provider )
	return provider;

	if ( mimeInfo ) {
	// check mime type inheritance
	const QStringList parentMimeTypes = mimeInfo->allParentMimeTypes();
	Q_FOREACH(const QString& parentMimeType, parentMimeTypes) {
	provider = m_previewProviders.value(parentMimeType);
	if (provider)
	return provider;
	}
	}

	// ### mimetype may be image/* for example, try that
	const int index = mimeType.indexOf( '/' );
	if (index > 0)
	{
	provider = m_previewProviders.value(mimeType.left(index + 1) + '*');
	if (provider)
	return provider;
	}

	return 0;
	}

	KPreviewWidgetBase * KFileMetaPreview::previewProviderFor( const QString& mimeType )
	{
	KMimeType::Ptr mimeInfo = KMimeType::mimeType( mimeType );

	// qDebug("### looking for: %s", mimeType.toLatin1().constData());
	// often the first highlighted item, where we can be sure, there is no plugin
	// (this "folders reflect icons" is a konq-specific thing, right?)
	if ( mimeInfo && mimeInfo->is("inode/directory") )
	return 0L;

	KPreviewWidgetBase *provider = findExistingProvider(mimeType, mimeInfo);
	if (provider)
	return provider;

	//qDebug("#### didn't find anything for: %s", mimeType.toLatin1().constData());

	if ( s_tryAudioPreview &&
	!mimeType.startsWith(QLatin1String("text/")) &&
	!mimeType.startsWith(QLatin1String("image/")) )
	{
	if ( !haveAudioPreview )
	{
	KPreviewWidgetBase *audioPreview = createAudioPreview( m_stack );
	if ( audioPreview )
	{
	haveAudioPreview = true;
	(void) m_stack->addWidget( audioPreview );
	const QStringList mimeTypes = audioPreview->supportedMimeTypes();
	QStringList::ConstIterator it = mimeTypes.begin();
	for ( ; it != mimeTypes.end(); ++it )
	{
	// only add non already handled mimetypes
	if ( m_previewProviders.constFind( *it ) == m_previewProviders.constEnd() )
	m_previewProviders.insert( *it, audioPreview );
	}
	}
	}
	}

	// with the new mimetypes from the audio-preview, try again
	provider = findExistingProvider(mimeType, mimeInfo);
	if (provider)
	return provider;

	// The logic in this code duplicates the logic in PreviewJob.
	// But why do we need multiple KPreviewWidgetBase instances anyway?

	return 0L;
	}

	-void KFileMetaPreview::showPreview(const KUrl &url)
	+void KFileMetaPreview::showPreview(const QUrl &url)
	{
	KMimeType::Ptr mt = KMimeType::findByUrl( url );
	KPreviewWidgetBase *provider = previewProviderFor( mt->name() );
	if ( provider )
	{
	if ( provider != m_stack->currentWidget() ) // stop the previous preview
	clearPreview();

	m_stack->setEnabled( true );
	m_stack->setCurrentWidget( provider );
	provider->showPreview( url );
	}
	else
	{
	clearPreview();
	m_stack->setEnabled( false );
	}
	}

	void KFileMetaPreview::clearPreview()
	{
	if ( m_stack->currentWidget() )
	static_cast<KPreviewWidgetBase*>( m_stack->currentWidget() )->clearPreview();
	}

	void KFileMetaPreview::addPreviewProvider( const QString& mimeType,
	KPreviewWidgetBase *provider )
	{
	m_previewProviders.insert( mimeType, provider );
	}


	void KFileMetaPreview::clearPreviewProviders()
	{
	QHash<QString, KPreviewWidgetBase*>::const_iterator i = m_previewProviders.constBegin();
	while (i != m_previewProviders.constEnd())
	{
	m_stack->removeWidget(i.value());
	++i;
	}
	qDeleteAll(m_previewProviders);
	m_previewProviders.clear();
	}

	// static
	KPreviewWidgetBase * KFileMetaPreview::createAudioPreview( QWidget *parent )
	{
	KPluginLoader loader( "kfileaudiopreview" );
	KPluginFactory *factory = loader.factory();
	if ( !factory )
	{
	kWarning() << "Couldn't load kfileaudiopreview" << loader.errorString();
	s_tryAudioPreview = false;
	return 0L;
	}
	KPreviewWidgetBase* w = factory->create<KPreviewWidgetBase>( parent );
	if ( w )
	w->setObjectName( "kfileaudiopreview" );
	return w;
	}

	#include "moc_kfilemetapreview.cpp"
	diff --git a/kio/kfile/kfilemetapreview.h b/kio/kfile/kfilemetapreview.h
	index 551c976126..91806e0684 100644
	--- a/kio/kfile/kfilemetapreview.h
	+++ b/kio/kfile/kfilemetapreview.h
	@@ -1,54 +1,54 @@
	/*
	* This file is part of the KDE project.
	* Copyright (C) 2003 Carsten Pfeiffer <pfeiffer@kde.org>
	*
	* You can Freely distribute this program under the GNU Library General Public
	* License. See the file "COPYING" for the exact licensing terms.
	*/

	#ifndef KFILEMETAPREVIEW_H
	#define KFILEMETAPREVIEW_H

	#include <QHash>
	#include <QStackedWidget>
	#include <kpreviewwidgetbase.h>
	#include <kurl.h>
	#include <kmimetype.h>

	class KIO_EXPORT KFileMetaPreview : public KPreviewWidgetBase
	{
	Q_OBJECT

	public:
	KFileMetaPreview(QWidget *parent);
	~KFileMetaPreview();

	virtual void addPreviewProvider( const QString& mimeType,
	KPreviewWidgetBase *provider );
	virtual void clearPreviewProviders();

	public Q_SLOTS:
	- virtual void showPreview(const KUrl &url);
	+ virtual void showPreview(const QUrl &url);
	virtual void clearPreview();

	protected:
	virtual KPreviewWidgetBase *previewProviderFor( const QString& mimeType );

	private:
	void initPreviewProviders();
	KPreviewWidgetBase* findExistingProvider(const QString& mimeType, const KMimeType::Ptr& mimeInfo) const;

	QStackedWidget *m_stack;
	QHash<QString,KPreviewWidgetBase*> m_previewProviders;
	bool haveAudioPreview;

	// may return 0L
	static KPreviewWidgetBase * createAudioPreview( QWidget *parent );
	static bool s_tryAudioPreview;

	private:
	class KFileMetaPreviewPrivate;
	KFileMetaPreviewPrivate *d;
	};

	#endif // KFILEMETAPREVIEW_H
	diff --git a/kio/kfile/kimagefilepreview.cpp b/kio/kfile/kimagefilepreview.cpp
	index 9cd4b182ac..9fc3c2235e 100644
	--- a/kio/kfile/kimagefilepreview.cpp
	+++ b/kio/kfile/kimagefilepreview.cpp
	@@ -1,286 +1,286 @@
	/*
	* This file is part of the KDE project
	* Copyright (C) 2001 Martin R. Jones <mjones@kde.org>
	* 2001 Carsten Pfeiffer <pfeiffer@kde.org>
	* 2008 Rafael Fernández López <ereslibre@kde.org>
	*
	* You can Freely distribute this program under the GNU Library General Public
	* License. See the file "COPYING" for the exact licensing terms.
	*/

	#include "kimagefilepreview.h"

	#include <QLayout>
	#include <QLabel>
	#include <QPainter>
	#include <QComboBox>
	#include <QCheckBox>
	#include <QResizeEvent>
	#include <QtCore/QTimer>
	#include <QtCore/QTimeLine>

	#include <kglobalsettings.h>
	#include <kconfig.h>
	#include <kiconloader.h>
	#include <kdebug.h>
	#include <klocale.h>
	#include <kfileitem.h>
	#include <kio/previewjob.h>
	#include <kconfiggroup.h>

	#include <config-kfile.h>

	/** KImageFilePreview **/

	class KImageFilePreview::KImageFilePreviewPrivate
	{
	public:
	KImageFilePreviewPrivate()
	: m_job(0)
	, clear(true)
	{
	m_timeLine = new QTimeLine(150);
	m_timeLine->setCurveShape(QTimeLine::EaseInCurve);
	m_timeLine->setDirection(QTimeLine::Forward);
	m_timeLine->setFrameRange(0, 100);
	}

	~KImageFilePreviewPrivate()
	{
	delete m_timeLine;
	}

	void _k_slotResult( KJob* );
	void _k_slotFailed( const KFileItem& );
	void _k_slotStepAnimation( int frame );
	void _k_slotFinished( );
	void _k_slotActuallyClear( );

	KUrl currentURL;
	KUrl lastShownURL;
	QLabel *imageLabel;
	KIO::PreviewJob *m_job;
	QTimeLine *m_timeLine;
	QPixmap m_pmCurrent;
	QPixmap m_pmTransition;
	float m_pmCurrentOpacity;
	float m_pmTransitionOpacity;
	bool clear;
	};

	KImageFilePreview::KImageFilePreview( QWidget *parent )
	: KPreviewWidgetBase(parent), d(new KImageFilePreviewPrivate)
	{
	QVBoxLayout *vb = new QVBoxLayout( this );
	vb->setMargin( 0 );

	d->imageLabel = new QLabel(this);
	d->imageLabel->setAlignment(Qt::AlignHCenter \| Qt::AlignVCenter);
	d->imageLabel->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
	vb->addWidget(d->imageLabel);

	setSupportedMimeTypes( KIO::PreviewJob::supportedMimeTypes() );
	setMinimumWidth( 50 );

	connect(d->m_timeLine, SIGNAL(frameChanged(int)), this, SLOT(_k_slotStepAnimation(int)));
	connect(d->m_timeLine, SIGNAL(finished()), this, SLOT(_k_slotFinished()));
	}

	KImageFilePreview::~KImageFilePreview()
	{
	if (d->m_job) {
	d->m_job->kill();
	}

	delete d;
	}

	void KImageFilePreview::showPreview()
	{
	// Pass a copy since clearPreview() will clear currentURL
	KUrl url = d->currentURL;
	showPreview( url, true );
	}

	// called via KPreviewWidgetBase interface
	-void KImageFilePreview::showPreview( const KUrl& url )
	+void KImageFilePreview::showPreview( const QUrl& url )
	{
	showPreview( url, false );
	}

	-void KImageFilePreview::showPreview( const KUrl &url, bool force )
	+void KImageFilePreview::showPreview( const QUrl &url, bool force )
	{
	if (!url.isValid() \|\|
	(d->lastShownURL.isValid() &&
	- url.equals(d->lastShownURL, KUrl::CompareWithoutTrailingSlash) &&
	+ KUrl(url).equals(d->lastShownURL, KUrl::CompareWithoutTrailingSlash) &&
	d->currentURL.isValid()))
	return;

	d->clear = false;
	d->currentURL = url;
	d->lastShownURL = url;

	int w = d->imageLabel->contentsRect().width() - 4;
	int h = d->imageLabel->contentsRect().height() - 4;

	if (d->m_job) {
	disconnect(d->m_job, SIGNAL(result(KJob *)),
	this, SLOT( _k_slotResult( KJob * )));
	disconnect(d->m_job, SIGNAL(gotPreview(const KFileItem&,
	const QPixmap& )), this,
	SLOT( gotPreview( const KFileItem&, const QPixmap& ) ));

	disconnect(d->m_job, SIGNAL(failed(const KFileItem&)),
	this, SLOT(_k_slotFailed(const KFileItem&)));

	d->m_job->kill();
	}

	d->m_job = createJob(url, w, h);
	if ( force ) // explicitly requested previews shall always be generated!
	d->m_job->setIgnoreMaximumSize(true);

	connect(d->m_job, SIGNAL(result(KJob *)),
	this, SLOT( _k_slotResult( KJob * )));
	connect(d->m_job, SIGNAL(gotPreview(const KFileItem&,
	const QPixmap& )),
	SLOT( gotPreview( const KFileItem&, const QPixmap& ) ));

	connect(d->m_job, SIGNAL(failed(const KFileItem&)),
	this, SLOT(_k_slotFailed(const KFileItem&)));
	}

	void KImageFilePreview::resizeEvent( QResizeEvent * )
	{
	clearPreview();
	- d->currentURL = KUrl(); // force this to actually happen
	+ d->currentURL = QUrl(); // force this to actually happen
	showPreview( d->lastShownURL );
	}

	QSize KImageFilePreview::sizeHint() const
	{
	return QSize( 100, 200 );
	}

	-KIO::PreviewJob * KImageFilePreview::createJob( const KUrl& url, int w, int h )
	+KIO::PreviewJob * KImageFilePreview::createJob( const QUrl& url, int w, int h )
	{
	if (url.isValid()) {
	KFileItemList items;
	items.append(KFileItem(KFileItem::Unknown, KFileItem::Unknown, url, true));
	QStringList plugins = KIO::PreviewJob::availablePlugins();

	KIO::PreviewJob *previewJob = KIO::filePreview(items, QSize(w, h), &plugins);
	previewJob->setOverlayIconAlpha(0);
	previewJob->setScaleType(KIO::PreviewJob::Scaled);
	return previewJob;
	} else {
	return 0;
	}
	}

	void KImageFilePreview::gotPreview( const KFileItem& item, const QPixmap& pm )
	{
	if (item.url() == d->currentURL) { // should always be the case
	if (KGlobalSettings::graphicEffectsLevel() & KGlobalSettings::SimpleAnimationEffects) {
	if (d->m_timeLine->state() == QTimeLine::Running) {
	d->m_timeLine->setCurrentTime(0);
	}

	d->m_pmTransition = pm;
	d->m_pmTransitionOpacity = 0;
	d->m_pmCurrentOpacity = 1;
	d->m_timeLine->setDirection(QTimeLine::Forward);
	d->m_timeLine->start();
	}
	else
	{
	d->imageLabel->setPixmap(pm);
	}
	}
	}

	void KImageFilePreview::KImageFilePreviewPrivate::_k_slotFailed( const KFileItem& item )
	{
	if ( item.isDir() )
	imageLabel->clear();
	else if (item.url() == currentURL) // should always be the case
	imageLabel->setPixmap(SmallIcon( "image-missing", KIconLoader::SizeLarge,
	KIconLoader::DisabledState ));
	}

	void KImageFilePreview::KImageFilePreviewPrivate::_k_slotResult( KJob *job )
	{
	if (job == m_job) {
	m_job = 0L;
	}
	}

	void KImageFilePreview::KImageFilePreviewPrivate::_k_slotStepAnimation( int frame )
	{
	Q_UNUSED(frame)

	QPixmap pm(QSize(qMax(m_pmCurrent.size().width(), m_pmTransition.size().width()),
	qMax(m_pmCurrent.size().height(), m_pmTransition.size().height())));
	pm.fill(Qt::transparent);

	QPainter p(&pm);
	p.setOpacity(m_pmCurrentOpacity);

	//If we have a current pixmap
	if (!m_pmCurrent.isNull())
	p.drawPixmap(QPoint(((float) pm.size().width() - m_pmCurrent.size().width()) / 2.0,
	((float) pm.size().height() - m_pmCurrent.size().height()) / 2.0), m_pmCurrent);
	if (!m_pmTransition.isNull()) {
	p.setOpacity(m_pmTransitionOpacity);
	p.drawPixmap(QPoint(((float) pm.size().width() - m_pmTransition.size().width()) / 2.0,
	((float) pm.size().height() - m_pmTransition.size().height()) / 2.0), m_pmTransition);
	}
	p.end();

	imageLabel->setPixmap(pm);

	m_pmCurrentOpacity = qMax(m_pmCurrentOpacity - 0.4, 0.0); // krazy:exclude=qminmax
	m_pmTransitionOpacity = qMin(m_pmTransitionOpacity + 0.4, 1.0); //krazy:exclude=qminmax
	}

	void KImageFilePreview::KImageFilePreviewPrivate::_k_slotFinished()
	{
	m_pmCurrent = m_pmTransition;
	m_pmTransitionOpacity = 0;
	m_pmCurrentOpacity = 1;
	m_pmTransition = QPixmap();
	// The animation might have lost some frames. Be sure that if the last one
	// was dropped, the last image shown is the opaque one.
	imageLabel->setPixmap(m_pmCurrent);
	clear = false;
	}

	void KImageFilePreview::clearPreview()
	{
	if (d->m_job) {
	d->m_job->kill();
	d->m_job = 0L;
	}

	if (d->clear \|\| d->m_timeLine->state() == QTimeLine::Running) {
	return;
	}

	if (KGlobalSettings::graphicEffectsLevel() & KGlobalSettings::SimpleAnimationEffects) {
	d->m_pmTransition = QPixmap();
	//If we add a previous preview then we run the animation
	if (!d->m_pmCurrent.isNull()) {
	d->m_timeLine->setCurrentTime(0);
	d->m_timeLine->setDirection(QTimeLine::Backward);
	d->m_timeLine->start();
	}
	- d->currentURL = KUrl();
	+ d->currentURL = QUrl();
	d->clear = true;
	}
	else
	{
	d->imageLabel->clear();
	}
	}

	#include "moc_kimagefilepreview.cpp"
	diff --git a/kio/kfile/kimagefilepreview.h b/kio/kfile/kimagefilepreview.h
	index 9eae650282..4db4c3039a 100644
	--- a/kio/kfile/kimagefilepreview.h
	+++ b/kio/kfile/kimagefilepreview.h
	@@ -1,82 +1,81 @@
	/*
	*
	* This file is part of the KDE project.
	* Copyright (C) 2001 Martin R. Jones <mjones@kde.org>
	* 2001 Carsten Pfeiffer <pfeiffer@kde.org>
	* 2008 Rafael Fernández López <ereslibre@kde.org>
	*
	* You can Freely distribute this program under the GNU Library General Public
	* License. See the file "COPYING" for the exact licensing terms.
	*/

	#ifndef KIMAGEFILEPREVIEW_H
	#define KIMAGEFILEPREVIEW_H

	#include <QPixmap>
	-
	-#include <kurl.h>
	+#include <QUrl>
	#include <kpreviewwidgetbase.h>

	class KFileItem;
	class KJob;
	namespace KIO { class PreviewJob; }

	/**
	* Image preview widget for the file dialog.
	*/
	class KIO_EXPORT KImageFilePreview : public KPreviewWidgetBase
	{
	Q_OBJECT

	public:
	/**
	* Creates a new image file preview.
	*
	* @param parent The parent widget.
	*/
	explicit KImageFilePreview(QWidget *parent = 0);

	/**
	* Destroys the image file preview.
	*/
	~KImageFilePreview();

	/**
	* Returns the size hint for this widget.
	*/
	virtual QSize sizeHint() const;

	public Q_SLOTS:
	/**
	* Shows a preview for the given @p url.
	*/
	- virtual void showPreview(const KUrl &url);
	+ virtual void showPreview(const QUrl &url);

	/**
	* Clears the preview.
	*/
	virtual void clearPreview();

	protected Q_SLOTS:
	void showPreview();
	- void showPreview( const KUrl& url, bool force );
	+ void showPreview( const QUrl& url, bool force );

	virtual void gotPreview( const KFileItem&, const QPixmap& );

	protected:
	virtual void resizeEvent( QResizeEvent *event );
	- virtual KIO::PreviewJob * createJob( const KUrl& url, int width, int height );
	+ virtual KIO::PreviewJob * createJob( const QUrl& url, int width, int height );

	private:
	class KImageFilePreviewPrivate;
	KImageFilePreviewPrivate *const d;

	Q_DISABLE_COPY(KImageFilePreview)

	Q_PRIVATE_SLOT( d, void _k_slotResult( KJob* ) )
	Q_PRIVATE_SLOT( d, void _k_slotFailed( const KFileItem& ) )
	Q_PRIVATE_SLOT( d, void _k_slotStepAnimation( int frame ) )
	Q_PRIVATE_SLOT( d, void _k_slotFinished( ) )
	};

	#endif // KIMAGEFILEPREVIEW_H
	diff --git a/kio/kfile/kpreviewwidgetbase.h b/kio/kfile/kpreviewwidgetbase.h
	index 6511cc975d..e755880c36 100644
	--- a/kio/kfile/kpreviewwidgetbase.h
	+++ b/kio/kfile/kpreviewwidgetbase.h
	@@ -1,86 +1,86 @@
	/* This file is part of the KDE libraries
	* Copyright (C) 2001 Frerich Raabe <raabe@kde.org>
	* 2003 Carsten Pfeiffer <pfeiffer@kde.org>
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Library General Public
	* License as published by the Free Software Foundation; either
	* version 2 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Library General Public License for more details.
	*
	* You should have received a copy of the GNU Library General Public License
	* along with this library; see the file COPYING.LIB. If not, write to
	* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	* Boston, MA 02110-1301, USA.
	*/

	#ifndef __KPREVIEWWIDGETBASE_H__
	#define __KPREVIEWWIDGETBASE_H__

	#include <QWidget>

	#include <kio/kio_export.h>

	-class KUrl;
	+class QUrl;

	/**
	* Abstract baseclass for all preview widgets which shall be used via
	* KFileDialog::setPreviewWidget(const KPreviewWidgetBase *).
	* Ownership will be transferred to KFileDialog, so you have to create
	* the preview with "new" and let KFileDialog delete it.
	*
	* Just derive your custom preview widget from KPreviewWidgetBase and implement
	- * all the pure virtual methods. The slot showPreview(const KUrl &) is called
	+ * all the pure virtual methods. The slot showPreview(const QUrl &) is called
	* every time the file selection changes.
	*
	* @short Abstract baseclass for all preview widgets.
	* @author Frerich Raabe <raabe@kde.org>
	*/
	class KIO_EXPORT KPreviewWidgetBase : public QWidget
	{
	Q_OBJECT

	public:
	/**
	* Constructor. Construct the user interface of your preview widget here
	* and pass the KFileDialog this preview widget is going to be used in as
	* the parent.
	*
	* @param parent The KFileDialog this preview widget is going to be used in
	*/
	KPreviewWidgetBase(QWidget *parent);
	~KPreviewWidgetBase();

	public Q_SLOTS:
	/**
	* This slot is called every time the user selects another file in the
	* file dialog. Implement the stuff necessary to reflect the change here.
	*
	* @param url The URL of the currently selected file.
	*/
	- virtual void showPreview(const KUrl &url) = 0;
	+ virtual void showPreview(const QUrl &url) = 0;

	/**
	* Reimplement this to clear the preview. This is called when e.g. the
	* selection is cleared or when multiple selections exist, or the directory
	* is changed.
	*/
	virtual void clearPreview() = 0;

	QStringList supportedMimeTypes() const;

	protected:
	void setSupportedMimeTypes( const QStringList& mimeTypes );

	private:
	class KPreviewWidgetBasePrivate;
	KPreviewWidgetBasePrivate *const d;

	Q_DISABLE_COPY(KPreviewWidgetBase)
	};

	#endif

File Metadata

Mime Type: text/x-diff
Expires: Fri, Nov 1, 9:25 AM (1 d, 17 h)
Storage Engine: blob
Storage Format: Raw Data
Storage Handle: 10075827
Default Alt Text: (24 KB)

No OneTemporaryActions

View Options

File Metadata

Event Timeline

No OneTemporary
Actions