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remove intoDeclarativeEngine folder

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functionality of usefu; files in is already migrated
This commit is contained in:
Marco Martin 2013-02-11 19:38:44 +01:00
parent b37ec71e9f
commit bfe5c1e942
6 changed files with 0 additions and 1182 deletions
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53
plasma/intoDeclarativeEngine/declarativecontainment.cpp
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/*
* Copyright 2007 by Aaron Seigo <aseigo@kde.org>
* Copyright 2008 by Ménard Alexis <darktears31@gmail.com>
* Copyright 2009 Chani Armitage <chani@kde.org>
* Copyright 2012 Marco Martin <notmart@kde.org>
*
* This program 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, or
* (at your option) any later version.
*
* This program 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 General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
void Containment::focusNextApplet()
{
if (d->applets.isEmpty()) {
return;
}
int index = d->focusedApplet ? d->applets.indexOf(d->focusedApplet) + 1 : 0;
if (index >= d->applets.size()) {
index = 0;
}
#ifndef NDEBUG
kDebug() << "index" << index;
#endif
d->focusApplet(d->applets.at(index));
}
void Containment::focusPreviousApplet()
{
if (d->applets.isEmpty()) {
return;
}
int index = d->focusedApplet ? d->applets.indexOf(d->focusedApplet) - 1 : -1;
if (index < 0) {
index = d->applets.size() - 1;
}
#ifndef NDEBUG
kDebug() << "index" << index;
#endif
d->focusApplet(d->applets.at(index));
}

74
plasma/intoDeclarativeEngine/declarativecontainment.h
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/*
* Copyright 2007 by Aaron Seigo <aseigo@kde.org>
* Copyright 2008 by Ménard Alexis <darktears31@gmail.com>
* Copyright (c) 2009 Chani Armitage <chani@kde.org>
*
* This program 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, or
* (at your option) any later version.
*
* This program 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 General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef PLASMA_CONTAINMENT_H
#define PLASMA_CONTAINMENT_H
#include <QObject>
#include <QWidget>
#include <kplugininfo.h>
#include <ksharedconfig.h>
#include <plasma/applet.h>
namespace Plasma
{
class AccessAppletJob;
class AppletHandle;
class DataEngine;
class Package;
class Corona;
class View;
class Wallpaper;
class DeclarativeContainmentActions;
class DeclarativeContainmentPrivate;
class AbstractToolBox;
class PLASMA_EXPORT DeclarativeContainment : public Applet
{
Q_OBJECT
public:
void focusNextApplet();
void focusPreviousApplet();
private:
Q_PRIVATE_SLOT(d, void showDropZoneDelayed())
Q_PRIVATE_SLOT(d, void remoteAppletReady(Plasma::AccessAppletJob *))
/**
* This slot is called when the 'stat' after a job event has finished.
*/
Q_PRIVATE_SLOT(d, void mimeTypeRetrieved(KIO::Job *, const QString &))
Q_PRIVATE_SLOT(d, void dropJobResult(KJob *))
DeclarativeContainmentPrivate *const d;
};
} // Plasma namespace
#endif // multiple inclusion guard

476
plasma/intoDeclarativeEngine/declarativecontainment_p.cpp
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/*
* Copyright 2007 by Aaron Seigo <aseigo@kde.org>
* Copyright 2008 by Ménard Alexis <darktears31@gmail.com>
* Copyright 2009 Chani Armitage <chani@kde.org>
* Copyright 2012 Marco Martin <notmart@kde.org>
*
* This program 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, or
* (at your option) any later version.
*
* This program 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 General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "private/containment_p.h"
#include <QApplication>
#include <QClipboard>
#include <QMimeData>
#include <QMimeDatabase>
#include <QDropEvent>
#include <qtemporaryfile.h>
#include <kaction.h>
#include <kactioncollection.h>
#include <kcoreauthorized.h>
#include <kurlmimedata.h>
#include <kwindowsystem.h>
#include "config-plasma.h"
#if !PLASMA_NO_KIO
#include "kio/jobclasses.h" // for KIO::JobFlags
#include "kio/job.h"
#include "kio/scheduler.h"
#endif
#include "containmentactions.h"
#include "containmentactionspluginsconfig.h"
#include "corona.h"
#include "pluginloader.h"
#include "svg.h"
#include "remote/accessappletjob.h"
#include "remote/accessmanager.h"
#include "private/applet_p.h"
#include "private/containmentactionspluginsconfig_p.h"
namespace Plasma
{
const char DeclarativeContainmentPrivate::defaultWallpaperMode[] = "SingleImage";
void DeclarativeContainmentPrivate::showDropZoneDelayed()
{
dropZoneStarted = true;
q->showDropZone(dropPoints.value(0).toPoint());
dropPoints.remove(0);
}
void DeclarativeContainmentPrivate::dropData(QPoint screenPos, QDropEvent *dropEvent)
{
if (q->immutability() != Mutable) {
return;
}
const QMimeData *mimeData = 0;
if (dropEvent) {
mimeData = dropEvent->mimeData();
} else {
QClipboard *clipboard = QApplication::clipboard();
mimeData = clipboard->mimeData(QClipboard::Selection);
//TODO if that's not supported (ie non-linux) should we try clipboard instead of selection?
}
if (!mimeData) {
//Selection is either empty or not supported on this OS
#ifndef NDEBUG
kDebug() << "no mime data";
#endif
return;
}
//kDebug() << event->mimeData()->text();
QString appletMimetype(q->corona() ? q->corona()->appletMimeType() : QString());
if (!appletMimetype.isEmpty() && mimeData->hasFormat(appletMimetype)) {
QString data = mimeData->data(appletMimetype);
const QStringList appletNames = data.split('\n', QString::SkipEmptyParts);
foreach (const QString &appletName, appletNames) {
//kDebug() << "doing" << appletName;
QRectF geom(screenPos, QSize(0, 0));
q->addApplet(appletName, QVariantList(), geom);
}
if (dropEvent) {
dropEvent->acceptProposedAction();
}
} else if (mimeData->hasUrls()) {
//TODO: collect the mimeTypes of available script engines and offer
// to create widgets out of the matching URLs, if any
const QList<QUrl> urls = KUrlMimeData::urlsFromMimeData(mimeData);
foreach (const QUrl &url, urls) {
if (AccessManager::supportedProtocols().contains(url.scheme())) {
AccessAppletJob *job = AccessManager::self()->accessRemoteApplet(url);
if (dropEvent) {
dropPoints[job] = dropEvent->pos();
} else {
dropPoints[job] = screenPos;
}
QObject::connect(AccessManager::self(), SIGNAL(finished(Plasma::AccessAppletJob*)),
q, SLOT(remoteAppletReady(Plasma::AccessAppletJob*)));
}
#if !PLASMA_NO_KIO
else {
QMimeDatabase db;
QMimeType mime = db.mimeTypeForUrl(url);
QString mimeName = mime.name();
QRectF geom(screenPos, QSize());
QVariantList args;
args << url.toString();
#ifndef NDEBUG
kDebug() << "can decode" << mimeName << args;
#endif
// It may be a directory or a file, let's stat
KIO::JobFlags flags = KIO::HideProgressInfo;
KIO::MimetypeJob *job = KIO::mimetype(url, flags);
if (dropEvent) {
dropPoints[job] = dropEvent->pos();
} else {
dropPoints[job] = screenPos;
}
QObject::connect(job, SIGNAL(result(KJob*)), q, SLOT(dropJobResult(KJob*)));
QObject::connect(job, SIGNAL(mimetype(KIO::Job*,QString)),
q, SLOT(mimeTypeRetrieved(KIO::Job*,QString)));
KMenu *choices = new KMenu("Content dropped");
choices->addAction(KDE::icon("process-working"), i18n("Fetching file type..."));
if (dropEvent) {
choices->popup(dropEvent->pos());
} else {
choices->popup(screenPos);
}
dropMenus[job] = choices;
}
#endif
}
if (dropEvent) {
dropEvent->acceptProposedAction();
}
} else {
QStringList formats = mimeData->formats();
QHash<QString, KPluginInfo> seenPlugins;
QHash<QString, QString> pluginFormats;
foreach (const QString &format, formats) {
KPluginInfo::List plugins = Applet::listAppletInfoForMimeType(format);
foreach (const KPluginInfo &plugin, plugins) {
if (seenPlugins.contains(plugin.pluginName())) {
continue;
}
seenPlugins.insert(plugin.pluginName(), plugin);
pluginFormats.insert(plugin.pluginName(), format);
}
}
//kDebug() << "Mimetype ..." << formats << seenPlugins.keys() << pluginFormats.values();
QString selectedPlugin;
if (seenPlugins.isEmpty()) {
// do nothing
} else if (seenPlugins.count() == 1) {
selectedPlugin = seenPlugins.constBegin().key();
} else {
KMenu choices;
QHash<QAction *, QString> actionsToPlugins;
foreach (const KPluginInfo &info, seenPlugins) {
QAction *action;
if (!info.icon().isEmpty()) {
action = choices.addAction(KDE::icon(info.icon()), info.name());
} else {
action = choices.addAction(info.name());
}
actionsToPlugins.insert(action, info.pluginName());
}
QAction *choice = choices.exec(screenPos);
if (choice) {
selectedPlugin = actionsToPlugins[choice];
}
}
if (!selectedPlugin.isEmpty()) {
if (!dropEvent) {
// since we may have entered an event loop up above with the menu,
// the clipboard item may no longer be valid, as QClipboard resets
// the object behind the back of the application with a zero timer
// so we fetch it again here
QClipboard *clipboard = QApplication::clipboard();
mimeData = clipboard->mimeData(QClipboard::Selection);
}
QTemporaryFile tempFile;
if (mimeData && tempFile.open()) {
//TODO: what should we do with files after the applet is done with them??
tempFile.setAutoRemove(false);
{
QDataStream stream(&tempFile);
QByteArray data = mimeData->data(pluginFormats[selectedPlugin]);
stream.writeRawData(data, data.size());
}
QRectF geom(screenPos, QSize());
QVariantList args;
args << tempFile.fileName();
#ifndef NDEBUG
kDebug() << args;
#endif
tempFile.close();
q->addApplet(selectedPlugin, args, geom);
}
}
}
}
void DeclarativeContainmentPrivate::clearDataForMimeJob(KIO::Job *job)
{
#if !PLASMA_NO_KIO
QObject::disconnect(job, 0, q, 0);
dropPoints.remove(job);
KMenu *choices = dropMenus.take(job);
delete choices;
job->kill();
#endif // PLASMA_NO_KIO
}
void DeclarativeContainmentPrivate::dropJobResult(KJob *job)
{
#if !PLASMA_NO_KIO
KIO::TransferJob* tjob = dynamic_cast<KIO::TransferJob*>(job);
if (!tjob) {
#ifndef NDEBUG
kDebug() << "job is not a KIO::TransferJob, won't handle the drop...";
#endif
clearDataForMimeJob(tjob);
return;
}
if (job->error()) {
#ifndef NDEBUG
kDebug() << "ERROR" << tjob->error() << ' ' << tjob->errorString();
#endif
}
// We call mimeTypeRetrieved since there might be other mechanisms
// for finding suitable applets. Cleanup happens there as well.
mimeTypeRetrieved(qobject_cast<KIO::Job *>(job), QString());
#endif // PLASMA_NO_KIO
}
void DeclarativeContainmentPrivate::mimeTypeRetrieved(KIO::Job *job, const QString &mimeType)
{
#if !PLASMA_NO_KIO
#ifndef NDEBUG
kDebug() << "Mimetype Job returns." << mimeType;
#endif
KIO::TransferJob* tjob = dynamic_cast<KIO::TransferJob*>(job);
if (!tjob) {
#ifndef NDEBUG
kDebug() << "job should be a TransferJob, but isn't";
#endif
clearDataForMimeJob(job);
return;
}
KPluginInfo::List appletList = Applet::listAppletInfoForUrl(tjob->url());
if (mimeType.isEmpty() && !appletList.count()) {
clearDataForMimeJob(job);
#ifndef NDEBUG
kDebug() << "No applets found matching the url (" << tjob->url() << ") or the mimeType (" << mimeType << ")";
#endif
return;
} else {
QPointF posi; // will be overwritten with the event's position
if (dropPoints.keys().contains(tjob)) {
posi = dropPoints[tjob];
#ifndef NDEBUG
kDebug() << "Received a suitable dropEvent at" << posi;
#endif
} else {
#ifndef NDEBUG
kDebug() << "Bailing out. Cannot find associated dropEvent related to the TransferJob";
#endif
clearDataForMimeJob(job);
return;
}
KMenu *choices = dropMenus.value(tjob);
if (!choices) {
#ifndef NDEBUG
kDebug() << "Bailing out. No QMenu found for this job.";
#endif
clearDataForMimeJob(job);
return;
}
QVariantList args;
args << tjob->url().toString() << mimeType;
#ifndef NDEBUG
kDebug() << "Creating menu for:" << mimeType << posi << args;
#endif
appletList << Applet::listAppletInfoForMimeType(mimeType);
KPluginInfo::List wallpaperList;
if (drawWallpaper) {
if (wallpaper && wallpaper->supportsMimetype(mimeType)) {
wallpaperList << wallpaper->d->wallpaperDescription;
} else {
wallpaperList = Wallpaper::listWallpaperInfoForMimeType(mimeType);
}
}
if (!appletList.isEmpty() || !wallpaperList.isEmpty()) {
choices->clear();
QHash<QAction *, QString> actionsToApplets;
choices->addTitle(i18n("Widgets"));
foreach (const KPluginInfo &info, appletList) {
#ifndef NDEBUG
kDebug() << info.name();
#endif
QAction *action;
if (!info.icon().isEmpty()) {
action = choices->addAction(KDE::icon(info.icon()), info.name());
} else {
action = choices->addAction(info.name());
}
actionsToApplets.insert(action, info.pluginName());
#ifndef NDEBUG
kDebug() << info.pluginName();
#endif
}
actionsToApplets.insert(choices->addAction(i18n("Icon")), "icon");
QHash<QAction *, QString> actionsToWallpapers;
if (!wallpaperList.isEmpty()) {
choices->addTitle(i18n("Wallpaper"));
QMap<QString, KPluginInfo> sorted;
foreach (const KPluginInfo &info, appletList) {
sorted.insert(info.name(), info);
}
foreach (const KPluginInfo &info, wallpaperList) {
QAction *action;
if (!info.icon().isEmpty()) {
action = choices->addAction(KDE::icon(info.icon()), info.name());
} else {
action = choices->addAction(info.name());
}
actionsToWallpapers.insert(action, info.pluginName());
}
}
QAction *choice = choices->exec();
if (choice) {
// Put the job on hold so it can be recycled to fetch the actual content,
// which is to be expected when something's dropped onto the desktop and
// an applet is to be created with this URL
if (!mimeType.isEmpty() && !tjob->error()) {
tjob->putOnHold();
KIO::Scheduler::publishSlaveOnHold();
}
QString plugin = actionsToApplets.value(choice);
if (plugin.isEmpty()) {
//set wallpapery stuff
plugin = actionsToWallpapers.value(choice);
if (!wallpaper || plugin != wallpaper->pluginName()) {
//kDebug() << "Wallpaper dropped:" << tjob->url();
q->setWallpaper(plugin);
}
if (wallpaper) {
//kDebug() << "Wallpaper dropped:" << tjob->url();
wallpaper->addUrls(QList<QUrl>() << tjob->url());
}
} else {
addApplet(actionsToApplets[choice], args, QRectF(posi, QSize()));
}
clearDataForMimeJob(job);
return;
}
} else {
// we can at least create an icon as a link to the URL
addApplet("icon", args, QRectF(posi, QSize()));
}
}
clearDataForMimeJob(job);
#endif // PLASMA_NO_KIO
}
void DeclarativeContainmentPrivate::focusApplet(Plasma::Applet *applet)
{
if (focusedApplet == applet) {
return;
}
QList<QWidget *> widgets = actions()->associatedWidgets();
if (focusedApplet) {
foreach (QWidget *w, widgets) {
focusedApplet->removeAssociatedWidget(w);
}
}
if (applet && applets.contains(applet)) {
//kDebug() << "switching to" << applet->name();
focusedApplet = applet;
foreach (QWidget *w, widgets) {
focusedApplet->addAssociatedWidget(w);
}
if (!focusedApplet->hasFocus()) {
focusedApplet->setFocus(Qt::ShortcutFocusReason);
}
} else {
focusedApplet = 0;
}
}
void DeclarativeContainmentPrivate::remoteAppletReady(Plasma::AccessAppletJob *job)
{
QPointF pos = dropPoints.take(job);
if (job->error()) {
//TODO: nice user visible error handling (knotification probably?)
#ifndef NDEBUG
kDebug() << "remote applet access failed: " << job->errorText();
#endif
return;
}
if (!job->applet()) {
#ifndef NDEBUG
kDebug() << "how did we end up here? if applet is null, the job->error should be nonzero";
#endif
return;
}
q->addApplet(job->applet(), pos);
}
}

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plasma/intoDeclarativeEngine/declarativecontainment_p.h
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/*
* Copyright 2007 by Aaron Seigo <aseigo@kde.org>
* Copyright 2008 by Ménard Alexis <darktears31@gmail.com>
* Copyright 2012 by Marco MArtin <mart@kde.org>
*
* This program 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, or
* (at your option) any later version.
*
* This program 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 General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef DECLARATIVECONTAINMENT_P_H
#define DECLARATIVECONTAINMENT_P_H
#include <kactioncollection.h>
#include <kmenu.h>
#include "plasma.h"
#include "applet.h"
#include "corona.h"
class KJob;
namespace KIO
{
class Job;
}
namespace Plasma
{
class AccessAppletJob;
class Containment;
class DeclarativeContainmentPrivate
{
public:
DeclarativeContainmentPrivate(Containment *c)
: q(c),
focusedApplet(0),
wallpaper(0),
showDropZoneDelayTimer(0),
dropZoneStarted(false),
{
}
~DeclarativeContainmentPrivate()
{
qDeleteAll(dropMenus);
dropMenus.clear();
}
void clearDataForMimeJob(KIO::Job *job);
void mimeTypeRetrieved(KIO::Job *job, const QString &mimetype);
void dropJobResult(KJob *);
void remoteAppletReady(Plasma::AccessAppletJob *job);
/**
* give keyboard focus to applet within this containment
*/
void focusApplet(Plasma::Applet *applet);
/**
* Handles dropped/pasted mimetype data
* @param screenPos screen-relative position
* @param dropEvent the drop event (if null, the clipboard is used instead)
*/
void dropData(QPoint screenPos, QDropEvent *dropEvent = 0);
/**
* Delayed drop zone display
*/
void showDropZoneDelayed();
DeclarativeContainment *q;
Applet *focusedApplet;
Plasma::Wallpaper *wallpaper;
QHash<KJob*, QPointF> dropPoints;
QHash<KJob*, KMenu*> dropMenus;
QTimer *showDropZoneDelayTimer;
bool dropZoneStarted : 1;
static const char defaultWallpaper[];
static const char defaultWallpaperMode[];
};
} // Plasma namespace
#endif

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plasma/intoDeclarativeEngine/declarativewidget.cpp
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/*
* Copyright 2010 Marco Martin <mart@kde.org>
*
* This program 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, or
* (at your option) any later version.
*
* This program 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 General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "declarativewidget.h"
#include <QDeclarativeComponent>
#include <QDeclarativeItem>
#include <QDeclarativeEngine>
#include <QDeclarativeContext>
#include <QScriptEngine>
#include <QGraphicsLinearLayout>
#include <QGraphicsScene>
#include <QTimer>
#include <kdebug.h>
#include <kdeclarative.h>
#include "private/declarative/declarativenetworkaccessmanagerfactory_p.h"
#include "private/declarative/dataenginebindings_p.h"
namespace Plasma
{
class DeclarativeWidgetPrivate
{
public:
DeclarativeWidgetPrivate(DeclarativeWidget *parent)
: q(parent),
engine(0),
scriptEngine(0),
component(0),
root(0),
delay(false)
{
}
~DeclarativeWidgetPrivate()
{
}
void errorPrint();
void execute(const QString &fileName);
void finishExecute();
void scheduleExecutionEnd();
void minimumWidthChanged();
void minimumHeightChanged();
void maximumWidthChanged();
void maximumHeightChanged();
void preferredWidthChanged();
void preferredHeightChanged();
DeclarativeWidget *q;
QString qmlPath;
QDeclarativeEngine* engine;
QScriptEngine *scriptEngine;
QDeclarativeComponent* component;
QObject *root;
bool delay : 1;
};
void DeclarativeWidgetPrivate::errorPrint()
{
QString errorStr = "Error loading QML file.\n";
if(component->isError()){
QList<QDeclarativeError> errors = component->errors();
foreach (const QDeclarativeError &error, errors) {
errorStr += (error.line()>0?QString(QString::number(error.line()) + QLatin1String(": ")):QLatin1String(""))
+ error.description() + '\n';
}
}
kWarning() << component->url().toString() + '\n' + errorStr;
}
void DeclarativeWidgetPrivate::execute(const QString &fileName)
{
if (fileName.isEmpty()) {
#ifndef NDEBUG
kDebug() << "File name empty!";
#endif
return;
}
KDeclarative kdeclarative;
kdeclarative.setDeclarativeEngine(engine);
kdeclarative.initialize();
//binds things like kconfig and icons
kdeclarative.setupBindings();
component->loadUrl(QUrl::fromLocalFile(fileName));
scriptEngine = kdeclarative.scriptEngine();
registerDataEngineMetaTypes(scriptEngine);
if (delay) {
QTimer::singleShot(0, q, SLOT(scheduleExecutionEnd()));
} else {
scheduleExecutionEnd();
}
}
void DeclarativeWidgetPrivate::scheduleExecutionEnd()
{
if (component->isReady() || component->isError()) {
finishExecute();
} else {
QObject::connect(component, SIGNAL(statusChanged(QDeclarativeComponent::Status)), q, SLOT(finishExecute()));
}
}
void DeclarativeWidgetPrivate::finishExecute()
{
if (component->isError()) {
errorPrint();
}
root = component->create();
if (!root) {
errorPrint();
}
#ifndef NDEBUG
kDebug() << "Execution of QML done!";
#endif
QGraphicsWidget *widget = dynamic_cast<QGraphicsWidget*>(root);
QGraphicsObject *object = dynamic_cast<QGraphicsObject *>(root);
if (object) {
static_cast<QGraphicsItem *>(object)->setParentItem(q);
}
if (widget) {
q->setPreferredSize(-1,-1);
QGraphicsLinearLayout *lay = static_cast<QGraphicsLinearLayout *>(q->layout());
if (!lay) {
lay = new QGraphicsLinearLayout(q);
lay->setContentsMargins(0, 0, 0, 0);
}
lay->addItem(widget);
} else {
q->setLayout(0);
qreal minimumWidth = 0;
qreal minimumHeight = 0;
qreal maximumWidth = 0;
qreal maximumHeight = 0;
qreal preferredWidth = 0;
qreal preferredHeight = 0;
if (object) {
object->setProperty("width", q->size().width());
object->setProperty("height", q->size().height());
if (object->metaObject()->indexOfProperty("minimumWidth")>=0) {
minimumWidth = object->property("minimumWidth").toReal();
QObject::connect(object, SIGNAL(minimumWidthChanged()), q, SLOT(minimumWidthChanged()));
}
if (object->metaObject()->indexOfProperty("minimumHeight")>=0) {
minimumHeight = object->property("minimumHeight").toReal();
QObject::connect(object, SIGNAL(minimumHeightChanged()), q, SLOT(minimumHeightChanged()));
}
if (object->metaObject()->indexOfProperty("maximumWidth")>=0) {
maximumWidth = object->property("maximumWidth").toReal();
QObject::connect(object, SIGNAL(maximumWidthChanged()), q, SLOT(maximumWidthChanged()));
}
if (object->metaObject()->indexOfProperty("maximumHeight")>=0) {
maximumHeight = object->property("maximumHeight").toReal();
QObject::connect(object, SIGNAL(maximumHeightChanged()), q, SLOT(maximumHeightChanged()));
}
if (object->metaObject()->indexOfProperty("preferredWidth")>=0) {
preferredWidth = object->property("preferredWidth").toReal();
QObject::connect(object, SIGNAL(preferredWidthChanged()), q, SLOT(preferredWidthChanged()));
}
if (object->metaObject()->indexOfProperty("preferredHeight")>=0) {
preferredHeight = object->property("preferredHeight").toReal();
QObject::connect(object, SIGNAL(preferredHeightChanged()), q, SLOT(preferredHeightChanged()));
}
}
if (minimumWidth > 0 && minimumHeight > 0) {
q->setMinimumSize(minimumWidth, minimumHeight);
} else {
q->setMinimumSize(-1, -1);
}
if (maximumWidth > 0 && maximumHeight > 0) {
q->setMaximumSize(maximumWidth, maximumHeight);
} else {
q->setMaximumSize(-1, -1);
}
if (preferredWidth > 0 && preferredHeight > 0) {
q->setPreferredSize(preferredWidth, preferredHeight);
} else {
q->setPreferredSize(-1, -1);
}
}
emit q->finished();
}
void DeclarativeWidgetPrivate::minimumWidthChanged()
{
qreal minimumWidth = root->property("minimumWidth").toReal();
q->setMinimumWidth(minimumWidth);
}
void DeclarativeWidgetPrivate::minimumHeightChanged()
{
qreal minimumHeight = root->property("minimumHeight").toReal();
q->setMinimumHeight(minimumHeight);
}
void DeclarativeWidgetPrivate::maximumWidthChanged()
{
qreal maximumWidth = root->property("maximumWidth").toReal();
q->setMaximumWidth(maximumWidth);
}
void DeclarativeWidgetPrivate::maximumHeightChanged()
{
qreal maximumHeight = root->property("maximumHeight").toReal();
q->setMaximumHeight(maximumHeight);
}
void DeclarativeWidgetPrivate::preferredWidthChanged()
{
qreal preferredWidth = root->property("preferredWidth").toReal();
q->setPreferredWidth(preferredWidth);
}
void DeclarativeWidgetPrivate::preferredHeightChanged()
{
qreal preferredHeight = root->property("preferredHeight").toReal();
q->setPreferredHeight(preferredHeight);
}
DeclarativeWidget::DeclarativeWidget(QGraphicsWidget *parent)
: QGraphicsWidget(parent),
d(new DeclarativeWidgetPrivate(this))
{
setFlag(QGraphicsItem::ItemHasNoContents);
d->engine = new QDeclarativeEngine(this);
d->engine->setNetworkAccessManagerFactory(new DeclarativeNetworkAccessManagerFactory);
d->component = new QDeclarativeComponent(d->engine, this);
}
DeclarativeWidget::~DeclarativeWidget()
{
QDeclarativeNetworkAccessManagerFactory *factory = d->engine->networkAccessManagerFactory();
d->engine->setNetworkAccessManagerFactory(0);
delete factory;
delete d;
}
void DeclarativeWidget::setQmlPath(const QString &path)
{
d->qmlPath = path;
d->execute(path);
}
QString DeclarativeWidget::qmlPath() const
{
return d->qmlPath;
}
void DeclarativeWidget::setInitializationDelayed(const bool delay)
{
d->delay = delay;
}
bool DeclarativeWidget::isInitializationDelayed() const
{
return d->delay;
}
QDeclarativeEngine* DeclarativeWidget::engine()
{
return d->engine;
}
QScriptEngine *DeclarativeWidget::scriptEngine() const
{
return d->scriptEngine;
}
QObject *DeclarativeWidget::rootObject() const
{
return d->root;
}
QDeclarativeComponent *DeclarativeWidget::mainComponent() const
{
return d->component;
}
void DeclarativeWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
{
QGraphicsWidget::resizeEvent(event);
if (d->root) {
d->root->setProperty("width", size().width());
d->root->setProperty("height", size().height());
}
}
} // namespace Plasma
#include "moc_declarativewidget.cpp"

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plasma/intoDeclarativeEngine/declarativewidget.h
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@ -1,142 +0,0 @@
/*
* Copyright 2010 Marco Martin <mart@kde.org>
*
* This program 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, or
* (at your option) any later version.
*
* This program 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 General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef PLASMA_DECLARATIVEWIDGET_H
#define PLASMA_DECLARATIVEWIDGET_H
#include <QGraphicsWidget>
#include <plasma/plasma_export.h>
class QDeclarativeEngine;
class QDeclarativeComponent;
class QScriptEngine;
namespace Plasma
{
class DeclarativeWidgetPrivate;
/**
* @class DeclarativeWidget plasma/declarativewidget.h <Plasma/DeclarativeWidget>
*
* @author Marco Martin <mart@kde.org>
*
* @short A widget that contains an entire QML context, with its own declarative engine
*
* Plasma::DeclarativeWidget provides a class for conveniently use QML based
* declarative user interfaces inside Plasma widgets.
* To one DeclarativeWidget corresponds one QML file (that can eventually include others)
* tere will be its own QDeclarativeEngine with a single root object,
* described in the QML file.
*/
class PLASMA_EXPORT DeclarativeWidget : public QGraphicsWidget
{
Q_OBJECT
Q_PROPERTY(QString qmlPath READ qmlPath WRITE setQmlPath)
Q_PROPERTY(bool initializationDelayed READ isInitializationDelayed WRITE setInitializationDelayed)
Q_PROPERTY(QObject * rootObject READ rootObject)
public:
/**
* Constructs a new DeclarativeWidget
*
* @param parent the parent of this widget
*/
explicit DeclarativeWidget(QGraphicsWidget *parent = 0);
~DeclarativeWidget();
/**
* Sets the path of the QML file to parse and execute
*
* @param path the absolute path of a QML file
*/
void setQmlPath(const QString &path);
/**
* @return the absolute path of the current QML file
*/
QString qmlPath() const;
/**
* Sets whether the execution of the QML file has to be delayed later in the event loop. It has to be called before setQmlPath().
* In this case will be possible to assign new objects in the main engine context
* before the main component gets initialized.
* So it will be possible to access it immediately from the QML code.
*
* @param delay if true the initialization of the QML file will be delayed
* at the end of the event loop
*/
void setInitializationDelayed(const bool delay);
/**
* @return true if the initialization of the QML file will be delayed
* at the end of the event loop
*/
bool isInitializationDelayed() const;
/**
* @return the declarative engine that runs the qml file assigned to this widget.
*/
QDeclarativeEngine* engine();
/**
* @return the script engine used by the declarative engine
* @since 4.7
*/
QScriptEngine *scriptEngine() const;
/**
* @return the root object of the declarative object tree
*/
QObject *rootObject() const;
/**
* @return the main QDeclarativeComponent of the engine
*/
QDeclarativeComponent *mainComponent() const;
protected:
void resizeEvent(QGraphicsSceneResizeEvent *event);
Q_SIGNALS:
/**
* Emitted when the parsing and execution of the QML file is terminated
*/
void finished();
private:
friend class DeclarativeWidgetPrivate;
DeclarativeWidgetPrivate * const d;
Q_PRIVATE_SLOT(d, void finishExecute())
Q_PRIVATE_SLOT(d, void scheduleExecutionEnd())
Q_PRIVATE_SLOT(d, void minimumWidthChanged())
Q_PRIVATE_SLOT(d, void minimumHeightChanged())
Q_PRIVATE_SLOT(d, void maximumWidthChanged())
Q_PRIVATE_SLOT(d, void maximumHeightChanged())
Q_PRIVATE_SLOT(d, void preferredWidthChanged())
Q_PRIVATE_SLOT(d, void preferredHeightChanged())
};
} // namespace Plasma
#endif // multiple inclusion guard