alecs/plasma-framework
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
7d369275a7
plasma-framework/corona.cpp
Aaron J. Seigo bac0859be5 ok, now any right click on an applet gets the applet right click menu. 
obviously this is fairly broken as now applets can't provide right click menus for anything. i have some thoughts on how to fix this but need to consider it more.

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=678566
2007-06-21 18:25:09 +00:00

380 lines
10 KiB
C++
Raw Blame History

/*
* Copyright (C) 2007 Matt Broadstone <mbroadst@gmail.com>
* Copyright (C) 2007 Aaron Seigo <aseigo@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 version 2 as
* published by the Free Software Foundation
*
* 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 "corona.h"
#include <QApplication>
#include <QDesktopWidget>
#include <QGraphicsSceneDragDropEvent>
#include <QMimeData>
#include <QUrl>
#include <QGraphicsView>
#include <QStringList>
#include <KAuthorized>
#include <KDebug>
#include <KLocale>
#include <KMenu>
#include <KMimeType>
#include <KRun>
#include <KWindowSystem>
#include "applet.h"
#include "dataengine.h"
#include "karambamanager.h"
#include "phase.h"
#include "widgets/vboxlayout.h"
#include "widgets/icon.h"
using namespace Plasma;
namespace Plasma
{
class Corona::Private
{
public:
Private()
: formFactor(Planar),
location(Floating),
layout(0),
engineExplorerAction(0)
{
}
~Private()
{
delete layout;
qDeleteAll(applets);
}
bool immutable;
Applet::List applets;
FormFactor formFactor;
Location location;
Layout* layout;
QAction *engineExplorerAction;
};
Corona::Corona(QObject * parent)
: QGraphicsScene(parent),
d(new Private)
{
init();
}
Corona::Corona(const QRectF & sceneRect, QObject * parent )
: QGraphicsScene(sceneRect, parent),
d(new Private)
{
init();
}
Corona::Corona(qreal x, qreal y, qreal width, qreal height, QObject * parent)
: QGraphicsScene(x, y, width, height, parent),
d(new Private)
{
init();
}
void Corona::init()
{
/* setBackgroundMode(Qt::NoBackground);*/
/* QPalette pal = palette();
pal.setBrush(QPalette::Base, Qt::transparent);
setPalette(pal);*/
//setViewport(new QGLWidget ( QGLFormat(QGL::StencilBuffer | QGL::AlphaChannel) ));
/*
KPluginInfo::List applets = Applet::knownApplets();
kDebug() << "======= Applets =========" << endl;
foreach (KPluginInfo* info, applets) {
kDebug() << info->pluginName() << ": " << info->name() << endl;
}
kDebug() << "=========================" << endl;
*/
// connect(this, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(displayContextMenu(QPoint)));
d->engineExplorerAction = new QAction(i18n("Engine Explorer"), this);
connect(d->engineExplorerAction, SIGNAL(triggered(bool)), this, SLOT(launchExplorer()));
d->immutable = false;
// setContextMenuPolicy(Qt::CustomContextMenu);
}
Corona::~Corona()
{
delete d;
}
Location Corona::location() const
{
return d->location;
}
void Corona::setLocation(Location location)
{
if (d->location == location) {
return;
}
d->location = location;
foreach (Applet* applet, d->applets) {
applet->constraintsUpdated();
}
}
FormFactor Corona::formFactor() const
{
return d->formFactor;
}
void Corona::setFormFactor(FormFactor formFactor)
{
if (d->formFactor == formFactor) {
return;
}
//kDebug() << "switching FF to " << formFactor << endl;
d->formFactor = formFactor;
delete d->layout;
d->layout = 0;
switch (d->formFactor) {
case Planar:
break;
case Horizontal:
//d->layout = new HBoxLayout;
break;
case Vertical:
d->layout = new VBoxLayout;
break;
case MediaCenter:
break;
default:
kDebug() << "This can't be happening!" << endl;
break;
}
foreach (Applet* applet, d->applets) {
applet->constraintsUpdated();
}
}
QRectF Corona::maxSizeHint() const
{
//FIXME: this is a bit of a naive implementation, do you think? =)
// we should factor in how much space we actually have left!
return sceneRect();
}
Applet* Corona::addPlasmoid(const QString& name, const QStringList& args)
{
Applet* applet = Applet::loadApplet(name, 0, args);
if (applet) {
addItem(applet);
//applet->constraintsUpdated();
d->applets << applet;
connect(applet, SIGNAL(destroyed(QObject*)),
this, SLOT(appletDestroyed(QObject*)));
Phase::self()->animate(applet, Phase::Appear);
} else {
kDebug() << "Plasmoid " << name << " could not be loaded." << endl;
}
return applet;
}
void Corona::addKaramba(const KUrl& path)
{
QGraphicsItemGroup* karamba = KarambaManager::loadKaramba(path, this);
if (karamba) {
addItem(karamba);
Phase::self()->animate(karamba, Phase::Appear);
} else {
kDebug() << "Karamba " << path << " could not be loaded." << endl;
}
}
void Corona::dragEnterEvent( QGraphicsSceneDragDropEvent *event)
{
kDebug() << "Corona::dragEnterEvent(QGraphicsSceneDragDropEvent* event)" << endl;
if (event->mimeData()->hasFormat("text/x-plasmoidservicename") ||
KUrl::List::canDecode(event->mimeData())) {
event->acceptProposedAction();
//TODO Create the applet, move to mouse position then send the
// following event to lock it to the mouse
//QMouseEvent event(QEvent::MouseButtonPress, event->pos(), Qt::LeftButton, event->mouseButtons(), 0);
//QApplication::sendEvent(this, &event);
}
//TODO Allow dragging an applet from another Corona into this one while
// keeping its settings etc.
}
void Corona::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
{
Q_UNUSED(event);
kDebug() << "Corona::dragLeaveEvent(QGraphicsSceneDragDropEvent* event)" << endl;
//TODO If an established Applet is dragged out of the Corona, remove it and
// create a QDrag type thing to keep the Applet's settings
}
void Corona::dragMoveEvent(QGraphicsSceneDragDropEvent *event)
{
Q_UNUSED(event);
kDebug() << "Corona::dragMoveEvent(QDragMoveEvent* event)" << endl;
}
void Corona::dropEvent(QGraphicsSceneDragDropEvent *event)
{
kDebug() << "Corona::dropEvent(QDropEvent* event)" << endl;
if (event->mimeData()->hasFormat("text/x-plasmoidservicename")) {
//TODO This will pretty much move into dragEnterEvent()
QString plasmoidName;
plasmoidName = event->mimeData()->data("text/x-plasmoidservicename");
addPlasmoid(plasmoidName);
d->applets.last()->setPos(event->pos());
event->acceptProposedAction();
} else if (KUrl::List::canDecode(event->mimeData())) {
KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
foreach (const KUrl& url, urls) {
QStringList args;
args << url.url();
Applet* button = addPlasmoid("url", args);
if (button) {
//button->setSize(128,128);
button->setPos(event->scenePos() - QPoint(button->boundingRect().width()/2,
button->boundingRect().height()/2));
}
addItem(button);
}
event->acceptProposedAction();
}
}
void Corona::contextMenuEvent(QGraphicsSceneContextMenuEvent *contextMenuEvent)
{
if (!KAuthorized::authorizeKAction("desktop_contextmenu")) {
return;
}
QPointF point = contextMenuEvent->scenePos();
/*
* example for displaying the SuperKaramba context menu
QGraphicsItem *item = itemAt(point);
if(item) {
QObject *object = dynamic_cast<QObject*>(item->parentItem());
if(object && object->objectName().startsWith("karamba")) {
QContextMenuEvent event(QContextMenuEvent::Mouse, point);
contextMenuEvent(&event);
return;
}
}
*/
contextMenuEvent->accept();
QGraphicsItem* item = itemAt(point);
Applet* applet = 0;
while (item) {
applet = qgraphicsitem_cast<Applet*>(item);
if (applet) {
break;
}
item = item->parentItem();
}
KMenu desktopMenu;
//kDebug() << "context menu event " << d->immutable << endl;
if (!applet) {
if (d->immutable) {
return;
}
desktopMenu.addTitle("Plasma");
desktopMenu.addAction(d->engineExplorerAction);
} else if (applet->immutable()) {
return;
} else {
desktopMenu.addTitle(applet->name());
desktopMenu.addSeparator();
QAction* configureApplet = new QAction(i18n("Configure Plasmoid..."), this);
connect(configureApplet, SIGNAL(triggered(bool)),
applet, SLOT(configureDialog())); //This isn't implemented in Applet yet...
desktopMenu.addAction(configureApplet);
if (!d->immutable) {
QAction* closeApplet = new QAction(i18n("Close Plasmoid"), this);
connect(closeApplet, SIGNAL(triggered(bool)),
applet, SLOT(deleteLater()));
desktopMenu.addAction(closeApplet);
}
}
desktopMenu.exec(point.toPoint());
}
void Corona::launchExplorer()
{
KRun::run("plasmaengineexplorer", KUrl::List(), 0);
}
void Corona::appletDestroyed(QObject* object)
{
// we do a static_cast here since it really isn't an Applet by this
// point anymore since we are in the qobject dtor. we don't actually
// try and do anything with it, we just need the value of the pointer
// so this unsafe looking code is actually just fine.
Applet* applet = static_cast<Plasma::Applet*>(object);
int index = d->applets.indexOf(applet);
if (index > -1) {
d->applets.removeAt(index);
}
}
bool Corona::isImmutable()
{
return d->immutable;
}
void Corona::setImmutable(bool immutable)
{
if (d->immutable == immutable) {
return;
}
d->immutable = immutable;
foreach (QGraphicsItem* item, items()) {
QGraphicsItem::GraphicsItemFlags flags = item->flags();
if (immutable) {
flags ^= QGraphicsItem::ItemIsMovable;
} else {
flags |= QGraphicsItem::ItemIsMovable;
}
item->setFlags(flags);
}
}
} // namespace Plasma
#include "corona.moc"
Reference in New Issue View Git Blame Copy Permalink