move Corona to libplasma where others can enjoy it and where we can use it from Applet
svn path=/trunk/KDE/kdebase/workspace/plasma/lib/; revision=670279
This commit is contained in:
Aaron J. Seigo
parent
002f01a64a
commit
2c5f8a75bf
@ -5,6 +5,7 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR})
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set(plasma_LIB_SRCS
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abstractrunner.cpp
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applet.cpp
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corona.cpp
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dataengine.cpp
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dataenginemanager.cpp
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datasource.cpp
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@ -38,6 +39,7 @@ install(TARGETS plasma DESTINATION ${LIB_INSTALL_DIR} )
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install( FILES
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abstractrunner.h
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applet.h
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corona.h
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dataengine.h
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dataenginemanager.h
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datasource.h
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297
corona.cpp
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297
corona.cpp
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@ -0,0 +1,297 @@
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/*
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* Copyright (C) 2007 Matt Broadstone <mbroadst@gmail.com>
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* Copyright (C) 2007 Aaron Seigo <aseigo@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "corona.h"
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#include <QApplication>
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#include <QDesktopWidget>
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#include <QGraphicsSceneDragDropEvent>
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#include <QMimeData>
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#include <QProcess>
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#include <KLocale>
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#include <KMenu>
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#include <KWindowSystem>
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#include "applet.h"
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#include "dataengine.h"
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#include "widgets/vboxlayout.h"
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#ifdef ICON_DEMO
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#include "widgets/icon.h"
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#endif
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#include "corona.h"
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using namespace Plasma;
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extern "C" {
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typedef QGraphicsItem* (*loadKaramba)(const KUrl &theme, QGraphicsView *view);
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}
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namespace Plasma
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{
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class Corona::Private
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{
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public:
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Private()
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: formFactor(Planar),
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location(Floating),
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layout(0),
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engineExplorerAction(0)
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{
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}
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Applet::List applets;
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FormFactor formFactor;
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Location location;
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Layout* layout;
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QAction *engineExplorerAction;
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};
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Corona::Corona(QObject * parent)
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: QGraphicsScene(parent),
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d(new Private)
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{
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init();
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}
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Corona::Corona(const QRectF & sceneRect, QObject * parent )
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: QGraphicsScene(sceneRect, parent),
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d(new Private)
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{
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init();
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}
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Corona::Corona(qreal x, qreal y, qreal width, qreal height, QObject * parent)
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: QGraphicsScene(x, y, width, height, parent),
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d(new Private)
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{
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init();
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}
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void Corona::init()
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{
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/* setBackgroundMode(Qt::NoBackground);*/
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/* QPalette pal = palette();
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pal.setBrush(QPalette::Base, Qt::transparent);
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setPalette(pal);*/
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//setViewport(new QGLWidget ( QGLFormat(QGL::StencilBuffer | QGL::AlphaChannel) ));
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#ifdef ICON_DEMO
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Icon* icon = new Icon();
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icon->setIcon("plasmagik");
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icon->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
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addItem(icon);
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icon = new Icon();
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icon->setIcon("user-home");
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icon->setSize(64, 64);
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icon->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
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addItem(icon);
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#endif
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/*
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KPluginInfo::List applets = Applet::knownApplets();
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kDebug() << "======= Applets =========" << endl;
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foreach (KPluginInfo* info, applets) {
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kDebug() << info->pluginName() << ": " << info->name() << endl;
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}
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kDebug() << "=========================" << endl;
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*/
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// Loading SuperKaramba themes example
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/*
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QString karambaLib = QFile::encodeName(KLibLoader::self()->findLibrary(QLatin1String("libsuperkaramba")));
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KLibLoader* loader = KLibLoader::self();
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KLibrary* lib = loader->library(karambaLib);
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if (lib) {
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loadKaramba startKaramba = 0;
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startKaramba = (loadKaramba)lib->resolveFunction("startKaramba");
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if (startKaramba) {
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startKaramba(KUrl("~/themes/aero_aio.skz"), this);
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}
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lib->unload();
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}
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*/
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// connect(this, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(displayContextMenu(QPoint)));
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d->engineExplorerAction = new QAction(i18n("Engine Explorer"), this);
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connect(d->engineExplorerAction, SIGNAL(triggered(bool)), this, SLOT(launchExplorer(bool)));
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// setContextMenuPolicy(Qt::CustomContextMenu);
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}
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Corona::~Corona()
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{
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while (!d->applets.isEmpty()) {
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delete d->applets.takeFirst();
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}
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}
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Location Corona::location() const
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{
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return d->location;
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}
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void Corona::setLocation(Location location)
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{
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d->location = location;
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}
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FormFactor Corona::formFactor() const
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{
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return d->formFactor;
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}
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void Corona::setFormFactor(FormFactor formFactor)
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{
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if (d->formFactor == formFactor) {
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return;
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}
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d->formFactor = formFactor;
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delete d->layout;
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d->layout = 0;
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switch (d->formFactor) {
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case Planar:
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break;
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case Horizontal:
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//d->layout = new HBoxLayout;
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break;
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case Vertical:
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d->layout = new VBoxLayout;
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break;
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case MediaCenter:
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break;
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default:
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kDebug() << "This can't be happening!" << endl;
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break;
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}
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foreach (Applet* applet, d->applets) {
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applet->constraintsUpdated();
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}
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}
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void Corona::addPlasmoid(const QString& name)
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{
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Applet* applet = Applet::loadApplet(name);
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if (applet) {
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addItem(applet);
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d->applets << applet;
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} else {
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kDebug() << "Plasmoid " << name << " could not be loaded." << endl;
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}
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}
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void Corona::dragEnterEvent( QGraphicsSceneDragDropEvent *event)
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{
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kDebug() << "Corona::dragEnterEvent(QGraphicsSceneDragDropEvent* event)" << endl;
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if (event->mimeData()->hasFormat("text/x-plasmoidservicename")) {
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event->acceptProposedAction();
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//TODO Create the applet, move to mouse position then send the
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// following event to lock it to the mouse
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//QMouseEvent event(QEvent::MouseButtonPress, event->pos(), Qt::LeftButton, event->mouseButtons(), 0);
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//QApplication::sendEvent(this, &event);
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}
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//TODO Allow dragging an applet from another Corona into this one while
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// keeping its settings etc.
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}
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void Corona::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
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{
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Q_UNUSED(event);
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kDebug() << "Corona::dragLeaveEvent(QGraphicsSceneDragDropEvent* event)" << endl;
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//TODO If an established Applet is dragged out of the Corona, remove it and
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// create a QDrag type thing to keep the Applet's settings
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}
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void Corona::dragMoveEvent(QGraphicsSceneDragDropEvent *event)
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{
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Q_UNUSED(event);
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kDebug() << "Corona::dragMoveEvent(QDragMoveEvent* event)" << endl;
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}
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void Corona::dropEvent(QGraphicsSceneDragDropEvent *event)
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{
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kDebug() << "Corona::dropEvent(QDropEvent* event)" << endl;
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if (event->mimeData()->hasFormat("text/x-plasmoidservicename")) {
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//TODO This will pretty much move into dragEnterEvent()
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QString plasmoidName;
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plasmoidName = event->mimeData()->data("text/x-plasmoidservicename");
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addPlasmoid(plasmoidName);
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d->applets.last()->setPos(event->pos());
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event->acceptProposedAction();
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}
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}
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void Corona::contextMenuEvent(QGraphicsSceneContextMenuEvent *contextMenuEvent)
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{
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QPointF point = contextMenuEvent->scenePos();
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/*
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* example for displaying the SuperKaramba context menu
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QGraphicsItem *item = itemAt(point);
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if(item) {
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QObject *object = dynamic_cast<QObject*>(item->parentItem());
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if(object && object->objectName().startsWith("karamba")) {
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QContextMenuEvent event(QContextMenuEvent::Mouse, point);
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contextMenuEvent(&event);
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return;
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}
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}
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*/
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Applet* applet = qgraphicsitem_cast<Applet*>(itemAt(point));
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KMenu desktopMenu;
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if(!applet) {
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desktopMenu.setTitle("Corona");
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desktopMenu.addAction("The");
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desktopMenu.addAction("desktop");
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desktopMenu.addAction("menu");
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desktopMenu.addAction(d->engineExplorerAction);
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} else {
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//desktopMenu.setTitle( applet->name() ); //This isn't implemented in Applet yet...
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desktopMenu.addAction("Widget");
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desktopMenu.addAction("settings");
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desktopMenu.addAction("like");
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desktopMenu.addAction("opacity");
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desktopMenu.addSeparator();
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QAction* configureApplet = new QAction(i18n("Configure Applet..."), this);
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connect(configureApplet, SIGNAL(triggered(bool)),
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applet, SLOT(configureDialog())); //This isn't implemented in Applet yet...
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desktopMenu.addAction(configureApplet);
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}
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desktopMenu.exec(point.toPoint());
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contextMenuEvent->accept();
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}
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void Corona::launchExplorer(bool /*param*/)
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{
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QProcess::execute("plasmaengineexplorer");
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}
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} // namespace Plasma
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#include "corona.moc"
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99
corona.h
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99
corona.h
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@ -0,0 +1,99 @@
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/*
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* Copyright (C) 2007 Matt Broadstone <mbroadst@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef CORONA_H
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#define CORONA_H
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#include <QGraphicsScene>
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#include "applet.h"
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#include "plasma.h"
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#include "plasma_export.h"
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namespace Plasma
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{
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class Layout;
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class Svg;
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/**
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* @short A QGraphicsScene for Plasma::Applets
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*/
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class PLASMA_EXPORT Corona : public QGraphicsScene
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{
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Q_OBJECT
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//typedef QHash<QString, QList<Plasma::Applet*> > layouts;
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public:
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explicit Corona(QObject * parent = 0);
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explicit Corona(const QRectF & sceneRect, QObject * parent = 0);
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explicit Corona(qreal x, qreal y, qreal width, qreal height, QObject * parent = 0);
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~Corona();
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/**
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* The location of the Corona. @see Plasma::Location
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*/
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Plasma::Location location() const;
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/**
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* Informs the Corona as to what position it is in. This is informational
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* only, as the Corona doesn't change it's actual location. This is,
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* however, passed on to Applets that may be managed by this Corona.
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*
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* @param location the new location of this Corona
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*/
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void setLocation(Location location);
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/**
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* The current form factor for this Corona. @see Plasma::FormFactor
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**/
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Plasma::FormFactor formFactor() const;
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/**
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* Sets the form factor for this Corona. This may cause changes in both
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* the arrangement of Applets as well as the display choices of individual
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* Applets.
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*/
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void setFormFactor(FormFactor formFactor);
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public Q_SLOTS:
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void addPlasmoid(const QString& name);
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protected:
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void dragEnterEvent(QGraphicsSceneDragDropEvent* event);
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void dragLeaveEvent(QGraphicsSceneDragDropEvent* event);
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void dragMoveEvent(QGraphicsSceneDragDropEvent* event);
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void dropEvent(QGraphicsSceneDragDropEvent* event);
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *contextMenuEvent);
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protected Q_SLOTS:
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void launchExplorer(bool /*param*/);
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private:
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void init();
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class Private;
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Private * const d;
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};
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} // namespace Plasma
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#endif
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Block a user