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plasma-framework/containment.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>
*
* 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 "containment.h"
#include "private/containment_p.h"
#include "config-plasma.h"
#include <QApplication>
#include <QClipboard>
#include <QFile>
#include <QGraphicsSceneContextMenuEvent>
#include <QGraphicsView>
#include <QMimeData>
#include <QPainter>
#include <QStyleOptionGraphicsItem>
#include <QGraphicsLayout>
#include <QGraphicsLinearLayout>
#include <qtemporaryfile.h>
#include <kaction.h>
#include <kcoreauthorized.h>
#include <kmenu.h>
#include <kmessagebox.h>
#include <qmimedatabase.h>
#include <kservicetypetrader.h>
#include <kurlmimedata.h>
#include <kwindowsystem.h>
#ifndef PLASMA_NO_KIO
#include "kio/jobclasses.h" // for KIO::JobFlags
#include "kio/job.h"
#include "kio/scheduler.h"
#endif
#include "abstracttoolbox.h"
#include "animator.h"
#include "containmentactions.h"
#include "containmentactionspluginsconfig.h"
#include "corona.h"
#include "pluginloader.h"
#include "svg.h"
#include "wallpaper.h"
#include "remote/accessappletjob.h"
#include "remote/accessmanager.h"
#include "private/applet_p.h"
#include "private/containmentactionspluginsconfig_p.h"
#include "private/wallpaper_p.h"
#include "plasma/plasma.h"
namespace Plasma
{
bool ContainmentPrivate::s_positioningPanels = false;
QHash<QString, ContainmentActions*> ContainmentPrivate::globalActionPlugins;
static const char defaultWallpaper[] = "image";
static const char defaultWallpaperMode[] = "SingleImage";
Containment::StyleOption::StyleOption()
: QStyleOptionGraphicsItem(),
view(0)
{
version = Version;
type = Type;
}
Containment::StyleOption::StyleOption(const Containment::StyleOption & other)
: QStyleOptionGraphicsItem(other),
view(other.view)
{
version = Version;
type = Type;
}
Containment::StyleOption::StyleOption(const QStyleOptionGraphicsItem &other)
: QStyleOptionGraphicsItem(other),
view(0)
{
version = Version;
type = Type;
}
Containment::Containment(QGraphicsItem *parent,
const QString &serviceId,
uint containmentId)
: Applet(parent, serviceId, containmentId),
d(new ContainmentPrivate(this))
{
// WARNING: do not access config() OR globalConfig() in this method!
// that requires a scene, which is not available at this point
setPos(0, 0);
setBackgroundHints(NoBackground);
setContainmentType(CustomContainment);
setHasConfigurationInterface(false);
}
Containment::Containment(QObject *parent, const QVariantList &args)
: Applet(parent, args),
d(new ContainmentPrivate(this))
{
// WARNING: do not access config() OR globalConfig() in this method!
// that requires a scene, which is not available at this point
setPos(0, 0);
setBackgroundHints(NoBackground);
setHasConfigurationInterface(false);
}
Containment::Containment(const QString &packagePath, uint appletId, const QVariantList &args)
: Applet(packagePath, appletId, args),
d(new ContainmentPrivate(this))
{
// WARNING: do not access config() OR globalConfig() in this method!
// that requires a scene, which is not available at this point
setPos(0, 0);
setBackgroundHints(NoBackground);
setHasConfigurationInterface(false);
}
Containment::~Containment()
{
delete d;
// Applet touches our dptr if we are a containment and is the superclass (think of dtors)
// so we reset this as we exit the building
Applet::d->isContainment = false;
}
void Containment::init()
{
Applet::init();
if (!isContainment()) {
return;
}
setCacheMode(NoCache);
setFlag(QGraphicsItem::ItemIsMovable, false);
setFlag(QGraphicsItem::ItemClipsChildrenToShape, true);
setAcceptDrops(true);
setAcceptsHoverEvents(true);
if (d->type == NoContainmentType) {
setContainmentType(DesktopContainment);
}
//connect actions
ContainmentPrivate::addDefaultActions(d->actions(), this);
bool unlocked = immutability() == Mutable;
//fix the text of the actions that need name()
//btw, do we really want to use name() when it's a desktopcontainment?
QAction *closeApplet = action("remove");
if (closeApplet) {
closeApplet->setText(i18nc("%1 is the name of the applet", "Remove this %1", name()));
}
QAction *configAction = action("configure");
if (configAction) {
configAction->setText(i18nc("%1 is the name of the applet", "%1 Settings", name()));
}
QAction *appletBrowserAction = action("add widgets");
if (appletBrowserAction) {
appletBrowserAction->setVisible(unlocked);
appletBrowserAction->setEnabled(unlocked);
connect(appletBrowserAction, SIGNAL(triggered()), this, SLOT(triggerShowAddWidgets()));
}
QAction *act = action("next applet");
if (act) {
connect(act, SIGNAL(triggered()), this, SLOT(focusNextApplet()));
}
act = action("previous applet");
if (act) {
connect(act, SIGNAL(triggered()), this, SLOT(focusPreviousApplet()));
}
if (immutability() != SystemImmutable && corona()) {
QAction *lockDesktopAction = corona()->action("lock widgets");
//keep a pointer so nobody notices it moved to corona
if (lockDesktopAction) {
d->actions()->addAction("lock widgets", lockDesktopAction);
}
}
if (d->type != PanelContainment && d->type != CustomPanelContainment) {
if (corona()) {
//FIXME this is just here because of the darn keyboard shortcut :/
act = corona()->action("manage activities");
if (act) {
d->actions()->addAction("manage activities", act);
}
//a stupid hack to make this one's keyboard shortcut work
act = corona()->action("configure shortcuts");
if (act) {
d->actions()->addAction("configure shortcuts", act);
}
}
if (d->type == DesktopContainment) {
addToolBoxAction(action("add widgets"));
//TODO: do we need some way to allow this be overridden?
// it's always available because shells rely on this
// to offer their own custom configuration as well
QAction *configureContainment = action("configure");
if (configureContainment) {
addToolBoxAction(configureContainment);
}
}
}
}
void ContainmentPrivate::addDefaultActions(KActionCollection *actions, Containment *c)
{
actions->setConfigGroup("Shortcuts-Containment");
//adjust applet actions
KAction *appAction = qobject_cast<KAction*>(actions->action("remove"));
appAction->setShortcut(KShortcut("alt+d, alt+r"));
if (c && c->d->isPanelContainment()) {
appAction->setText(i18n("Remove this Panel"));
} else {
appAction->setText(i18n("Remove this Activity"));
}
appAction = qobject_cast<KAction*>(actions->action("configure"));
if (appAction) {
appAction->setShortcut(KShortcut("alt+d, alt+s"));
appAction->setText(i18n("Activity Settings"));
}
//add our own actions
KAction *appletBrowserAction = actions->addAction("add widgets");
appletBrowserAction->setAutoRepeat(false);
appletBrowserAction->setText(i18n("Add Widgets..."));
appletBrowserAction->setIcon(KDE::icon("list-add"));
appletBrowserAction->setShortcut(KShortcut("alt+d, a"));
appletBrowserAction->setData(AbstractToolBox::AddTool);
KAction *action = actions->addAction("next applet");
action->setText(i18n("Next Widget"));
//no icon
action->setShortcut(KShortcut("alt+d, n"));
action->setData(AbstractToolBox::ControlTool);
action = actions->addAction("previous applet");
action->setText(i18n("Previous Widget"));
//no icon
action->setShortcut(KShortcut("alt+d, p"));
action->setData(AbstractToolBox::ControlTool);
}
// helper function for sorting the list of applets
bool appletConfigLessThan(const KConfigGroup &c1, const KConfigGroup &c2)
{
QPointF p1 = c1.readEntry("geometry", QRectF()).topLeft();
QPointF p2 = c2.readEntry("geometry", QRectF()).topLeft();
if (!qFuzzyCompare(p1.x(), p2.x())) {
if (QApplication::layoutDirection() == Qt::RightToLeft) {
return p1.x() > p2.x();
}
return p1.x() < p2.x();
}
return qFuzzyCompare(p1.y(), p2.y()) || p1.y() < p2.y();
}
void Containment::restore(KConfigGroup &group)
{
/*
#ifndef NDEBUG
kDebug() << "!!!!!!!!!!!!initConstraints" << group.name() << d->type;
kDebug() << " location:" << group.readEntry("location", (int)d->location);
kDebug() << " geom:" << group.readEntry("geometry", geometry());
kDebug() << " formfactor:" << group.readEntry("formfactor", (int)d->formFactor);
kDebug() << " screen:" << group.readEntry("screen", d->screen);
#endif
*/
if (!isContainment()) {
Applet::restore(group);
return;
}
QRectF geo = group.readEntry("geometry", geometry());
//override max/min
//this ensures panels are set to their saved size even when they have max & min set to prevent
//resizing
if (geo.size() != geo.size().boundedTo(maximumSize())) {
setMaximumSize(maximumSize().expandedTo(geo.size()));
}
if (geo.size() != geo.size().expandedTo(minimumSize())) {
setMinimumSize(minimumSize().boundedTo(geo.size()));
}
resize(geo.size());
//are we an offscreen containment?
if (containmentType() != PanelContainment && containmentType() != CustomPanelContainment && geo.right() < 0) {
corona()->addOffscreenWidget(this);
}
setLocation((Plasma::Location)group.readEntry("location", (int)d->location));
setFormFactor((Plasma::FormFactor)group.readEntry("formfactor", (int)d->formFactor));
//kDebug() << "setScreen from restore";
d->lastScreen = group.readEntry("lastScreen", d->lastScreen);
d->lastDesktop = group.readEntry("lastDesktop", d->lastDesktop);
d->setScreen(group.readEntry("screen", d->screen), group.readEntry("desktop", d->desktop), false);
d->activityId = group.readEntry("activityId", QString());
flushPendingConstraintsEvents();
restoreContents(group);
setImmutability((ImmutabilityType)group.readEntry("immutability", (int)Mutable));
setWallpaper(group.readEntry("wallpaperplugin", defaultWallpaper),
group.readEntry("wallpaperpluginmode", defaultWallpaperMode));
if (d->toolBox) {
d->toolBox.data()->restore(group);
}
KConfigGroup cfg;
if (containmentType() == PanelContainment || containmentType() == CustomPanelContainment) {
//don't let global desktop actions conflict with panels
//this also prevents panels from sharing config with each other
//but the panels aren't configurable anyways, and I doubt that'll change.
d->containmentActionsSource = ContainmentPrivate::Local;
cfg = KConfigGroup(&group, "ActionPlugins");
} else {
const QString source = group.readEntry("ActionPluginsSource", QString());
if (source == "Global") {
cfg = KConfigGroup(corona()->config(), "ActionPlugins");
d->containmentActionsSource = ContainmentPrivate::Global;
} else if (source == "Activity") {
cfg = KConfigGroup(corona()->config(), "Activities");
cfg = KConfigGroup(&cfg, d->activityId);
cfg = KConfigGroup(&cfg, "ActionPlugins");
d->containmentActionsSource = ContainmentPrivate::Activity;
} else if (source == "Local") {
cfg = group;
d->containmentActionsSource = ContainmentPrivate::Local;
} else {
//default to global
//but, if there is no global config, try copying it from local.
cfg = KConfigGroup(corona()->config(), "ActionPlugins");
if (!cfg.exists()) {
cfg = KConfigGroup(&group, "ActionPlugins");
}
d->containmentActionsSource = ContainmentPrivate::Global;
group.writeEntry("ActionPluginsSource", "Global");
}
}
//kDebug() << cfg.keyList();
if (cfg.exists()) {
foreach (const QString &key, cfg.keyList()) {
//kDebug() << "loading" << key;
setContainmentActions(key, cfg.readEntry(key, QString()));
}
} else { //shell defaults
ContainmentActionsPluginsConfig conf = corona()->containmentActionsDefaults(d->type);
//steal the data directly, for efficiency
QHash<QString,QString> defaults = conf.d->plugins;
for (QHash<QString,QString>::const_iterator it = defaults.constBegin(),
end = defaults.constEnd(); it != end; ++it) {
setContainmentActions(it.key(), it.value());
}
}
/*
#ifndef NDEBUG
kDebug() << "Containment" << id() <<
#endif
"screen" << screen() <<
"geometry is" << geometry() <<
"wallpaper" << ((d->wallpaper) ? d->wallpaper->pluginName() : QString()) <<
"wallpaper mode" << wallpaperMode() <<
"config entries" << group.entryMap();
*/
}
void Containment::save(KConfigGroup &g) const
{
if (Applet::d->transient) {
return;
}
KConfigGroup group = g;
if (!group.isValid()) {
group = config();
}
// locking is saved in Applet::save
Applet::save(group);
if (!isContainment()) {
return;
}
group.writeEntry("screen", d->screen);
group.writeEntry("lastScreen", d->lastScreen);
group.writeEntry("desktop", d->desktop);
group.writeEntry("lastDesktop", d->lastDesktop);
group.writeEntry("formfactor", (int)d->formFactor);
group.writeEntry("location", (int)d->location);
group.writeEntry("activityId", d->activityId);
if (d->toolBox) {
d->toolBox.data()->save(group);
}
if (d->wallpaper) {
group.writeEntry("wallpaperplugin", d->wallpaper->pluginName());
group.writeEntry("wallpaperpluginmode", d->wallpaper->renderingMode().name());
if (d->wallpaper->isInitialized()) {
KConfigGroup wallpaperConfig(&group, "Wallpaper");
wallpaperConfig = KConfigGroup(&wallpaperConfig, d->wallpaper->pluginName());
d->wallpaper->save(wallpaperConfig);
}
}
saveContents(group);
}
void Containment::saveContents(KConfigGroup &group) const
{
KConfigGroup applets(&group, "Applets");
foreach (const Applet *applet, d->applets) {
KConfigGroup appletConfig(&applets, QString::number(applet->id()));
applet->save(appletConfig);
}
}
void ContainmentPrivate::initApplets()
{
foreach (Applet *applet, applets) {
applet->restore(*applet->d->mainConfigGroup());
applet->init();
#ifndef NDEBUG
kDebug() << "!!{} STARTUP TIME" << QTime().msecsTo(QTime::currentTime()) << "Applet" << applet->name();
#endif
}
q->flushPendingConstraintsEvents();
foreach (Applet *applet, applets) {
applet->flushPendingConstraintsEvents();
}
#ifndef NDEBUG
kDebug() << "!!{} STARTUP TIME" << QTime().msecsTo(QTime::currentTime()) << "Containment's applets initialized" << q->name();
#endif
}
void Containment::restoreContents(KConfigGroup &group)
{
KConfigGroup applets(&group, "Applets");
// Sort the applet configs in order of geometry to ensure that applets
// are added from left to right or top to bottom for a panel containment
QList<KConfigGroup> appletConfigs;
foreach (const QString &appletGroup, applets.groupList()) {
//kDebug() << "reading from applet group" << appletGroup;
KConfigGroup appletConfig(&applets, appletGroup);
appletConfigs.append(appletConfig);
}
qStableSort(appletConfigs.begin(), appletConfigs.end(), appletConfigLessThan);
QMutableListIterator<KConfigGroup> it(appletConfigs);
while (it.hasNext()) {
KConfigGroup &appletConfig = it.next();
int appId = appletConfig.name().toUInt();
QString plugin = appletConfig.readEntry("plugin", QString());
if (plugin.isEmpty()) {
continue;
}
d->addApplet(plugin, QVariantList(), appletConfig.readEntry("geometry", QRectF()), appId, true);
}
}
Containment::Type Containment::containmentType() const
{
return d->type;
}
void Containment::setContainmentType(Containment::Type type)
{
if (d->type == type) {
return;
}
delete d->toolBox.data();
d->type = type;
d->checkContainmentFurniture();
}
void ContainmentPrivate::checkContainmentFurniture()
{
if (q->isContainment() &&
(type == Containment::DesktopContainment || type == Containment::PanelContainment)) {
createToolBox();
}
}
Corona *Containment::corona() const
{
return qobject_cast<Corona*>(scene());
}
void Containment::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
event->ignore();
if (d->wallpaper && d->wallpaper->isInitialized()) {
QGraphicsItem *item = scene()->itemAt(event->scenePos());
if (item == this) {
d->wallpaper->mouseMoveEvent(event);
}
}
if (!event->isAccepted()) {
event->accept();
Applet::mouseMoveEvent(event);
}
}
void Containment::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
event->ignore();
if (d->appletAt(event->scenePos())) {
return; //no unexpected click-throughs
}
if (d->wallpaper && d->wallpaper->isInitialized() && !event->isAccepted()) {
d->wallpaper->mousePressEvent(event);
}
if (event->isAccepted()) {
setFocus(Qt::MouseFocusReason);
} else if (event->button() == Qt::RightButton && event->modifiers() == Qt::NoModifier) {
// we'll catch this in the context menu even
Applet::mousePressEvent(event);
} else {
QString trigger = ContainmentActions::eventToString(event);
if (d->prepareContainmentActions(trigger, event->screenPos())) {
d->actionPlugins()->value(trigger)->contextEvent(event);
}
if (!event->isAccepted()) {
Applet::mousePressEvent(event);
}
}
}
void Containment::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
event->ignore();
if (d->appletAt(event->scenePos())) {
return; //no unexpected click-throughs
}
QString trigger = ContainmentActions::eventToString(event);
if (d->wallpaper && d->wallpaper->isInitialized()) {
d->wallpaper->mouseReleaseEvent(event);
}
if (!event->isAccepted() && isContainment()) {
if (d->prepareContainmentActions(trigger, event->screenPos())) {
d->actionPlugins()->value(trigger)->contextEvent(event);
}
event->accept();
Applet::mouseReleaseEvent(event);
}
}
void Containment::showDropZone(const QPoint pos)
{
Q_UNUSED(pos)
//Base implementation does nothing, don't put code here
}
void Containment::showContextMenu(const QPointF &containmentPos, const QPoint &screenPos)
{
//kDebug() << containmentPos << screenPos;
QGraphicsSceneContextMenuEvent gvevent;
gvevent.setScreenPos(screenPos);
gvevent.setScenePos(mapToScene(containmentPos));
gvevent.setPos(containmentPos);
gvevent.setReason(QGraphicsSceneContextMenuEvent::Mouse);
gvevent.setWidget(view());
contextMenuEvent(&gvevent);
}
void Containment::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
{
if (!isContainment() || !KAuthorized::authorizeKAction("plasma/containment_context_menu")) {
Applet::contextMenuEvent(event);
return;
}
KMenu desktopMenu;
Applet *applet = d->appletAt(event->scenePos());
//kDebug() << "context menu event " << (QObject*)applet;
if (applet) {
d->addAppletActions(desktopMenu, applet, event);
} else {
d->addContainmentActions(desktopMenu, event);
}
//kDebug() << "executing at" << screenPos;
QMenu *menu = &desktopMenu;
//kDebug() << "showing menu, actions" << desktopMenu.actions().size() << desktopMenu.actions().first()->menu();
if (desktopMenu.actions().size() == 1 && desktopMenu.actions().first()->menu()) {
// we have a menu with a single top level menu; just show that top level menu instad.
menu = desktopMenu.actions().first()->menu();
}
if (!menu->isEmpty()) {
QPoint pos = event->screenPos();
if (applet && d->isPanelContainment()) {
menu->adjustSize();
pos = applet->popupPosition(menu->size());
if (event->reason() == QGraphicsSceneContextMenuEvent::Mouse) {
// if the menu pops up way away from the mouse press, then move it
// to the mouse press
if (d->formFactor == Vertical) {
if (pos.y() + menu->height() < event->screenPos().y()) {
pos.setY(event->screenPos().y());
}
} else if (d->formFactor == Horizontal) {
if (pos.x() + menu->width() < event->screenPos().x()) {
pos.setX(event->screenPos().x());
}
}
}
}
menu->exec(pos);
event->accept();
} else {
Applet::contextMenuEvent(event);
}
}
void ContainmentPrivate::addContainmentActions(KMenu &desktopMenu, QEvent *event)
{
if (static_cast<Corona*>(q->scene())->immutability() != Mutable &&
!KAuthorized::authorizeKAction("plasma/containment_actions")) {
//kDebug() << "immutability";
return;
}
const QString trigger = ContainmentActions::eventToString(event);
prepareContainmentActions(trigger, QPoint(), &desktopMenu);
}
void ContainmentPrivate::addAppletActions(KMenu &desktopMenu, Applet *applet, QEvent *event)
{
foreach (QAction *action, applet->contextualActions()) {
if (action) {
desktopMenu.addAction(action);
}
}
if (!applet->d->failed) {
QAction *configureApplet = applet->d->actions->action("configure");
if (configureApplet && configureApplet->isEnabled()) {
desktopMenu.addAction(configureApplet);
}
QAction *runAssociatedApplication = applet->d->actions->action("run associated application");
if (runAssociatedApplication && runAssociatedApplication->isEnabled()) {
desktopMenu.addAction(runAssociatedApplication);
}
}
KMenu *containmentMenu = new KMenu(i18nc("%1 is the name of the containment", "%1 Options", q->name()), &desktopMenu);
addContainmentActions(*containmentMenu, event);
if (!containmentMenu->isEmpty()) {
int enabled = 0;
//count number of real actions
QListIterator<QAction *> actionsIt(containmentMenu->actions());
while (enabled < 3 && actionsIt.hasNext()) {
QAction *action = actionsIt.next();
if (action->isVisible() && !action->isSeparator()) {
++enabled;
}
}
if (enabled) {
//if there is only one, don't create a submenu
if (enabled < 2) {
foreach (QAction *action, containmentMenu->actions()) {
if (action->isVisible() && !action->isSeparator()) {
desktopMenu.addAction(action);
}
}
} else {
desktopMenu.addMenu(containmentMenu);
}
}
}
if (q->immutability() == Mutable) {
QAction *closeApplet = applet->d->actions->action("remove");
//kDebug() << "checking for removal" << closeApplet;
if (closeApplet) {
if (!desktopMenu.isEmpty()) {
desktopMenu.addSeparator();
}
//kDebug() << "adding close action" << closeApplet->isEnabled() << closeApplet->isVisible();
desktopMenu.addAction(closeApplet);
}
}
}
Applet* ContainmentPrivate::appletAt(const QPointF &point)
{
Applet *applet = 0;
QGraphicsItem *item = q->scene()->itemAt(point);
if (item == q) {
item = 0;
}
while (item) {
if (item->isWidget()) {
applet = qobject_cast<Applet*>(static_cast<QGraphicsWidget*>(item));
if (applet) {
if (applet->isContainment()) {
applet = 0;
}
break;
}
}
AppletHandle *handle = dynamic_cast<AppletHandle*>(item);
if (handle) {
//pretend it was on the applet
applet = handle->applet();
break;
}
item = item->parentItem();
}
return applet;
}
void Containment::setFormFactor(FormFactor formFactor)
{
if (d->formFactor == formFactor) {
return;
}
//kDebug() << "switching FF to " << formFactor;
d->formFactor = formFactor;
if (isContainment() &&
(d->type == PanelContainment || d->type == CustomPanelContainment)) {
// we are a panel and we have chaged our orientation
d->positionPanel(true);
}
if (d->toolBox) {
d->toolBox.data()->reposition();
}
updateConstraints(Plasma::FormFactorConstraint);
KConfigGroup c = config();
c.writeEntry("formfactor", (int)formFactor);
emit configNeedsSaving();
}
void Containment::setLocation(Location location)
{
if (d->location == location) {
return;
}
bool emitGeomChange = false;
if ((location == TopEdge || location == BottomEdge) &&
(d->location == TopEdge || d->location == BottomEdge)) {
emitGeomChange = true;
}
if ((location == RightEdge || location == LeftEdge) &&
(d->location == RightEdge || d->location == LeftEdge)) {
emitGeomChange = true;
}
d->location = location;
foreach (Applet *applet, d->applets) {
applet->updateConstraints(Plasma::LocationConstraint);
}
if (emitGeomChange) {
// our geometry on the scene will not actually change,
// but for the purposes of views it has
emit geometryChanged();
}
updateConstraints(Plasma::LocationConstraint);
KConfigGroup c = config();
c.writeEntry("location", (int)location);
emit configNeedsSaving();
}
void Containment::addSiblingContainment()
{
emit addSiblingContainment(this);
}
void Containment::clearApplets()
{
foreach (Applet *applet, d->applets) {
applet->d->cleanUpAndDelete();
}
d->applets.clear();
}
Applet *Containment::addApplet(const QString &name, const QVariantList &args,
const QRectF &appletGeometry)
{
return d->addApplet(name, args, appletGeometry);
}
void Containment::addApplet(Applet *applet, const QPointF &pos, bool delayInit)
{
if (!isContainment() || (!delayInit && immutability() != Mutable)) {
return;
}
if (!applet) {
#ifndef NDEBUG
kDebug() << "adding null applet!?!";
#endif
return;
}
if (d->applets.contains(applet)) {
#ifndef NDEBUG
kDebug() << "already have this applet!";
#endif
}
Containment *currentContainment = applet->containment();
if (d->type == PanelContainment) {
//panels don't want backgrounds, which is important when setting geometry
setBackgroundHints(NoBackground);
}
if (currentContainment && currentContainment != this) {
emit currentContainment->appletRemoved(applet);
if (currentContainment->d->focusedApplet == applet) {
currentContainment->d->focusedApplet = 0;
}
disconnect(applet, 0, currentContainment, 0);
KConfigGroup oldConfig = applet->config();
currentContainment->d->applets.removeAll(applet);
applet->setParentItem(this);
applet->setParent(this);
// now move the old config to the new location
//FIXME: this doesn't seem to get the actual main config group containing plugin=, etc
KConfigGroup c = config().group("Applets").group(QString::number(applet->id()));
oldConfig.reparent(&c);
applet->d->resetConfigurationObject();
disconnect(applet, SIGNAL(activate()), currentContainment, SIGNAL(activate()));
} else {
applet->setParentItem(this);
applet->setParent(this);
}
d->applets << applet;
connect(applet, SIGNAL(configNeedsSaving()), this, SIGNAL(configNeedsSaving()));
connect(applet, SIGNAL(releaseVisualFocus()), this, SIGNAL(releaseVisualFocus()));
connect(applet, SIGNAL(appletDestroyed(Plasma::Applet*)), this, SLOT(appletDestroyed(Plasma::Applet*)));
connect(applet, SIGNAL(newStatus(Plasma::ItemStatus)), this, SLOT(checkStatus(Plasma::ItemStatus)));
connect(applet, SIGNAL(activate()), this, SIGNAL(activate()));
if (pos != QPointF(-1, -1)) {
applet->setPos(pos);
}
if (!delayInit && !currentContainment) {
applet->restore(*applet->d->mainConfigGroup());
applet->init();
//FIXME: an on-appear animation would be nice to have again
d->appletAppeared(applet);
}
applet->setFlag(QGraphicsItem::ItemIsMovable, true);
applet->updateConstraints(Plasma::AllConstraints);
if (!delayInit) {
applet->flushPendingConstraintsEvents();
}
emit appletAdded(applet, pos);
if (!currentContainment) {
applet->updateConstraints(Plasma::StartupCompletedConstraint);
if (!delayInit) {
applet->flushPendingConstraintsEvents();
}
}
if (!delayInit) {
applet->d->scheduleModificationNotification();
}
}
Applet::List Containment::applets() const
{
return d->applets;
}
void Containment::setScreen(int newScreen, int newDesktop)
{
d->setScreen(newScreen, newDesktop);
}
void ContainmentPrivate::setScreen(int newScreen, int newDesktop, bool preventInvalidDesktops)
{
// What we want to do in here is:
// * claim the screen as our own
// * signal whatever may be watching this containment about the switch
// * if we are a full screen containment, then:
// * resize to match the screen if we're that kind of containment
// * kick other full-screen containments off this screen
// * if we had a screen, then give our screen to the containment
// we kick out
//
// a screen of -1 means no associated screen.
Corona *corona = q->corona();
Q_ASSERT(corona);
//if it's an offscreen widget, don't allow to claim a screen, after all it's *off*screen
if (corona->offscreenWidgets().contains(q)) {
return;
}
int numScreens = corona->numScreens();
if (newScreen < -1) {
newScreen = -1;
}
// -1 == All desktops
if (newDesktop < -1 || (preventInvalidDesktops && newDesktop > KWindowSystem::numberOfDesktops() - 1)) {
newDesktop = -1;
}
//kDebug() << activity() << "setting screen to " << newScreen << newDesktop << "and type is" << type;
Containment *swapScreensWith(0);
const bool isDesktopContainment = type == Containment::DesktopContainment ||
type == Containment::CustomContainment;
if (isDesktopContainment) {
// we want to listen to changes in work area if our screen changes
if (toolBox) {
if (screen < 0 && newScreen > -1) {
QObject::connect(KWindowSystem::self(), SIGNAL(workAreaChanged()), toolBox.data(), SLOT(reposition()), Qt::UniqueConnection);
} else if (newScreen < 0) {
QObject::disconnect(KWindowSystem::self(), SIGNAL(workAreaChanged()), toolBox.data(), SLOT(reposition()));
}
}
if (newScreen > -1) {
// sanity check to make sure someone else doesn't have this screen already!
Containment *currently = corona->containmentForScreen(newScreen, newDesktop);
if (currently && currently != q) {
#ifndef NDEBUG
kDebug() << "currently is on screen" << currently->screen()
<< "desktop" << currently->desktop()
<< "and is" << currently->activity()
<< (QObject*)currently << "i'm" << (QObject*)q;
#endif
currently->setScreen(-1, currently->desktop());
swapScreensWith = currently;
}
}
}
if (newScreen < numScreens && newScreen > -1 && isDesktopContainment) {
q->resize(corona->screenGeometry(newScreen).size());
}
int oldDesktop = desktop;
desktop = newDesktop;
int oldScreen = screen;
screen = newScreen;
q->updateConstraints(Plasma::ScreenConstraint);
if (oldScreen != newScreen || oldDesktop != newDesktop) {
/*
#ifndef NDEBUG
kDebug() << "going to signal change for" << q
#endif
<< ", old screen & desktop:" << oldScreen << oldDesktop
<< ", new:" << screen << desktop;
*/
KConfigGroup c = q->config();
c.writeEntry("screen", screen);
c.writeEntry("desktop", desktop);
if (newScreen != -1) {
lastScreen = newScreen;
lastDesktop = newDesktop;
c.writeEntry("lastScreen", lastScreen);
c.writeEntry("lastDesktop", lastDesktop);
}
emit q->configNeedsSaving();
emit q->screenChanged(oldScreen, newScreen, q);
}
if (swapScreensWith) {
//kDebug() << "setScreen due to swap, part 2";
swapScreensWith->setScreen(oldScreen, oldDesktop);
}
checkRemoveAction();
if (newScreen >= 0) {
emit q->activate();
}
}
int Containment::screen() const
{
return d->screen;
}
int Containment::lastScreen() const
{
return d->lastScreen;
}
int Containment::desktop() const
{
return d->desktop;
}
int Containment::lastDesktop() const
{
return d->lastDesktop;
}
KPluginInfo::List Containment::listContainments(const QString &category,
const QString &parentApp)
{
return listContainmentsOfType(QString(), category, parentApp);
}
KPluginInfo::List Containment::listContainmentsOfType(const QString &type,
const QString &category,
const QString &parentApp)
{
QString constraint;
if (parentApp.isEmpty()) {
constraint.append("(not exist [X-KDE-ParentApp] or [X-KDE-ParentApp] == '')");
} else {
constraint.append("[X-KDE-ParentApp] == '").append(parentApp).append("'");
}
if (!type.isEmpty()) {
if (!constraint.isEmpty()) {
constraint.append(" and ");
}
constraint.append("'").append(type).append("' ~in [X-Plasma-ContainmentCategories]");
}
if (!category.isEmpty()) {
if (!constraint.isEmpty()) {
constraint.append(" and ");
}
constraint.append("[X-KDE-PluginInfo-Category] == '").append(category).append("'");
if (category == "Miscellaneous") {
constraint.append(" or (not exist [X-KDE-PluginInfo-Category] or [X-KDE-PluginInfo-Category] == '')");
}
}
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Containment", constraint);
//kDebug() << "constraint was" << constraint << "which got us" << offers.count() << "matches";
return KPluginInfo::fromServices(offers);
}
KPluginInfo::List Containment::listContainmentsForMimeType(const QString &mimeType)
{
const QString constraint = QString("'%1' in [X-Plasma-DropMimeTypes]").arg(mimeType);
//kDebug() << mimeType << constraint;
const KService::List offers = KServiceTypeTrader::self()->query("Plasma/Containment", constraint);
return KPluginInfo::fromServices(offers);
}
QStringList Containment::listContainmentTypes()
{
KPluginInfo::List containmentInfos = listContainments();
QSet<QString> types;
foreach (const KPluginInfo &containmentInfo, containmentInfos) {
QStringList theseTypes = containmentInfo.service()->property("X-Plasma-ContainmentCategories").toStringList();
foreach (const QString &type, theseTypes) {
types.insert(type);
}
}
return types.toList();
}
void Containment::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
{
//kDebug() << immutability() << Mutable << (immutability() == Mutable);
event->setAccepted(immutability() == Mutable &&
(event->mimeData()->hasFormat(static_cast<Corona*>(scene())->appletMimeType()) ||
event->mimeData()->hasUrls()));
if (!event->isAccepted()) {
// check to see if we have an applet that accepts the format.
QStringList formats = event->mimeData()->formats();
foreach (const QString &format, formats) {
KPluginInfo::List appletList = Applet::listAppletInfoForMimeType(format);
if (!appletList.isEmpty()) {
event->setAccepted(true);
break;
}
}
if (!event->isAccepted()) {
foreach (const QString &format, formats) {
KPluginInfo::List wallpaperList = Wallpaper::listWallpaperInfoForMimetype(format);
if (!wallpaperList.isEmpty()) {
event->setAccepted(true);
break;
}
}
}
}
if (event->isAccepted()) {
if (d->dropZoneStarted) {
showDropZone(event->pos().toPoint());
} else {
if (!d->showDropZoneDelayTimer) {
d->showDropZoneDelayTimer = new QTimer(this);
d->showDropZoneDelayTimer->setInterval(300);
d->showDropZoneDelayTimer->setSingleShot(true);
connect(d->showDropZoneDelayTimer, SIGNAL(timeout()), this, SLOT(showDropZoneDelayed()));
}
d->dropPoints.insert(0, event->pos());
d->showDropZoneDelayTimer->start();
}
}
}
void Containment::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
{
//kDebug() << event->pos() << size().height() << size().width();
if (d->showDropZoneDelayTimer) {
d->showDropZoneDelayTimer->stop();
}
if (event->pos().y() < 1 || event->pos().y() > size().height() ||
event->pos().x() < 1 || event->pos().x() > size().width()) {
showDropZone(QPoint());
d->dropZoneStarted = false;
}
}
void ContainmentPrivate::showDropZoneDelayed()
{
dropZoneStarted = true;
q->showDropZone(dropPoints.value(0).toPoint());
dropPoints.remove(0);
}
void Containment::dragMoveEvent(QGraphicsSceneDragDropEvent *event)
{
QGraphicsItem *item = scene()->itemAt(event->scenePos());
event->setAccepted(item == this || item == d->toolBox.data() || !item);
//kDebug() << event->isAccepted() << d->showDropZoneDelayTimer->isActive();
if (!event->isAccepted()) {
if (d->showDropZoneDelayTimer) {
d->showDropZoneDelayTimer->stop();
}
} else if (!d->showDropZoneDelayTimer->isActive() && immutability() == Plasma::Mutable) {
showDropZone(event->pos().toPoint());
}
}
void Containment::dropEvent(QGraphicsSceneDragDropEvent *event)
{
if (isContainment()) {
d->dropData(event->scenePos(), event->screenPos(), event);
} else {
Applet::dropEvent(event);
}
}
void ContainmentPrivate::dropData(QPointF scenePos, QPoint screenPos, QGraphicsSceneDragDropEvent *dropEvent)
{
if (q->immutability() != Mutable) {
return;
}
QPointF pos = q->mapFromScene(scenePos);
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(pos, 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] = scenePos;
}
QObject::connect(AccessManager::self(), SIGNAL(finished(Plasma::AccessAppletJob*)),
q, SLOT(remoteAppletReady(Plasma::AccessAppletJob*)));
}
#ifndef PLASMA_NO_KIO
else {
QMimeDatabase db;
QMimeType mime = db.mimeTypeForUrl(url);
QString mimeName = mime.name();
QRectF geom(pos, 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] = scenePos;
}
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->screenPos());
} 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(pos, QSize());
QVariantList args;
args << tempFile.fileName();
#ifndef NDEBUG
kDebug() << args;
#endif
tempFile.close();
q->addApplet(selectedPlugin, args, geom);
}
}
}
}
void ContainmentPrivate::clearDataForMimeJob(KIO::Job *job)
{
#ifndef 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 ContainmentPrivate::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);
}
void ContainmentPrivate::dropJobResult(KJob *job)
{
#ifndef 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 ContainmentPrivate::mimeTypeRetrieved(KIO::Job *job, const QString &mimeType)
{
#ifndef 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 Containment::setToolBox(AbstractToolBox *toolBox)
{
if (d->toolBox.data()) {
d->toolBox.data()->deleteLater();
}
d->toolBox = toolBox;
}
AbstractToolBox *Containment::toolBox() const
{
return d->toolBox.data();
}
void Containment::resizeEvent(QGraphicsSceneResizeEvent *event)
{
Applet::resizeEvent(event);
if (isContainment()) {
if (d->isPanelContainment()) {
d->positionPanel();
} else if (corona()) {
corona()->layoutContainments();
}
if (d->wallpaper) {
d->wallpaper->setBoundingRect(QRectF(QPointF(0, 0), size()));
}
}
}
void Containment::keyPressEvent(QKeyEvent *event)
{
//kDebug() << "keyPressEvent with" << event->key()
// << "and hoping and wishing for a" << Qt::Key_Tab;
if (event->key() == Qt::Key_Tab) { // && event->modifiers() == 0) {
if (!d->applets.isEmpty()) {
#ifndef NDEBUG
kDebug() << "let's give focus to...." << (QObject*)d->applets.first();
#endif
d->applets.first()->setFocus(Qt::TabFocusReason);
}
}
}
void Containment::wheelEvent(QGraphicsSceneWheelEvent *event)
{
event->ignore();
if (d->appletAt(event->scenePos())) {
return; //no unexpected click-throughs
}
if (d->wallpaper && d->wallpaper->isInitialized()) {
QGraphicsItem *item = scene()->itemAt(event->scenePos());
if (item == this) {
event->ignore();
d->wallpaper->wheelEvent(event);
if (event->isAccepted()) {
return;
}
}
}
QString trigger = ContainmentActions::eventToString(event);
if (d->prepareContainmentActions(trigger, event->screenPos())) {
d->actionPlugins()->value(trigger)->contextEvent(event);
event->accept();
} else {
event->ignore();
Applet::wheelEvent(event);
}
}
QVariant Containment::itemChange(GraphicsItemChange change, const QVariant &value)
{
//FIXME if the applet is moved to another containment we need to unfocus it
if (isContainment() &&
(change == QGraphicsItem::ItemSceneHasChanged ||
change == QGraphicsItem::ItemPositionHasChanged)) {
switch (d->type) {
case PanelContainment:
case CustomPanelContainment:
d->positionPanel();
break;
default:
if (corona()) {
corona()->layoutContainments();
}
break;
}
}
return Applet::itemChange(change, value);
}
void Containment::enableAction(const QString &name, bool enable)
{
QAction *action = this->action(name);
if (action) {
action->setEnabled(enable);
action->setVisible(enable);
}
}
void Containment::addToolBoxAction(QAction *action)
{
d->createToolBox();
if (d->toolBox) {
d->toolBox.data()->addTool(action);
}
}
void Containment::removeToolBoxAction(QAction *action)
{
if (d->toolBox) {
d->toolBox.data()->removeTool(action);
}
}
void Containment::setToolBoxOpen(bool open)
{
if (open) {
openToolBox();
} else {
closeToolBox();
}
}
bool Containment::isToolBoxOpen() const
{
return (d->toolBox && d->toolBox.data()->isShowing());
}
void Containment::openToolBox()
{
if (d->toolBox && !d->toolBox.data()->isShowing()) {
d->toolBox.data()->setShowing(true);
emit toolBoxVisibilityChanged(true);
}
}
void Containment::closeToolBox()
{
if (d->toolBox && d->toolBox.data()->isShowing()) {
d->toolBox.data()->setShowing(false);
emit toolBoxVisibilityChanged(false);
}
}
void Containment::addAssociatedWidget(QWidget *widget)
{
Applet::addAssociatedWidget(widget);
if (d->focusedApplet) {
d->focusedApplet->addAssociatedWidget(widget);
}
foreach (const Applet *applet, d->applets) {
if (applet->d->activationAction) {
widget->addAction(applet->d->activationAction);
}
}
}
void Containment::removeAssociatedWidget(QWidget *widget)
{
Applet::removeAssociatedWidget(widget);
if (d->focusedApplet) {
d->focusedApplet->removeAssociatedWidget(widget);
}
foreach (const Applet *applet, d->applets) {
if (applet->d->activationAction) {
widget->removeAction(applet->d->activationAction);
}
}
}
void Containment::setDrawWallpaper(bool drawWallpaper)
{
d->drawWallpaper = drawWallpaper;
if (drawWallpaper) {
KConfigGroup cfg = config();
const QString wallpaper = cfg.readEntry("wallpaperplugin", defaultWallpaper);
const QString mode = cfg.readEntry("wallpaperpluginmode", defaultWallpaperMode);
setWallpaper(wallpaper, mode);
} else {
delete d->wallpaper;
d->wallpaper = 0;
}
}
bool Containment::drawWallpaper()
{
return d->drawWallpaper;
}
void Containment::setWallpaper(const QString &pluginName, const QString &mode)
{
KConfigGroup cfg = config();
bool newPlugin = true;
bool newMode = true;
if (d->drawWallpaper) {
if (d->wallpaper) {
// we have a wallpaper, so let's decide whether we need to swap it out
if (d->wallpaper->pluginName() != pluginName) {
delete d->wallpaper;
d->wallpaper = 0;
} else {
// it's the same plugin, so let's save its state now so when
// we call restore later on we're safe
newMode = d->wallpaper->renderingMode().name() != mode;
newPlugin = false;
}
}
if (!pluginName.isEmpty() && !d->wallpaper) {
d->wallpaper = Plasma::Wallpaper::load(pluginName);
}
if (d->wallpaper) {
d->wallpaper->setParent(this);
d->wallpaper->setBoundingRect(QRectF(QPointF(0, 0), size()));
d->wallpaper->setRenderingMode(mode);
if (newPlugin) {
cfg.writeEntry("wallpaperplugin", pluginName);
}
if (d->wallpaper->isInitialized()) {
KConfigGroup wallpaperConfig = KConfigGroup(&cfg, "Wallpaper");
wallpaperConfig = KConfigGroup(&wallpaperConfig, pluginName);
d->wallpaper->restore(wallpaperConfig);
}
if (newMode) {
cfg.writeEntry("wallpaperpluginmode", mode);
}
}
update();
}
if (!d->wallpaper) {
cfg.deleteEntry("wallpaperplugin");
cfg.deleteEntry("wallpaperpluginmode");
}
if (newPlugin || newMode) {
if (newPlugin && d->wallpaper) {
connect(d->wallpaper, SIGNAL(configureRequested()), this, SLOT(requestConfiguration()));
connect(d->wallpaper, SIGNAL(configNeedsSaving()), this, SIGNAL(configNeedsSaving()));
}
emit configNeedsSaving();
}
}
Plasma::Wallpaper *Containment::wallpaper() const
{
return d->wallpaper;
}
void Containment::setContainmentActions(const QString &trigger, const QString &pluginName)
{
KConfigGroup cfg = containmentActionsConfig();
ContainmentActions *plugin = 0;
if (d->actionPlugins()->contains(trigger)) {
plugin = d->actionPlugins()->value(trigger);
if (plugin->pluginName() != pluginName) {
d->actionPlugins()->remove(trigger);
delete plugin;
plugin=0;
}
}
if (pluginName.isEmpty()) {
cfg.deleteEntry(trigger);
} else if (plugin) {
//it already existed, just reload config
if (plugin->isInitialized()) {
plugin->setContainment(this); //to be safe
//FIXME make a truly unique config group
KConfigGroup pluginConfig = KConfigGroup(&cfg, trigger);
plugin->restore(pluginConfig);
}
} else {
switch (d->containmentActionsSource) {
case ContainmentPrivate::Activity:
//FIXME
case ContainmentPrivate::Local:
plugin = PluginLoader::self()->loadContainmentActions(this, pluginName);
break;
default:
plugin = PluginLoader::self()->loadContainmentActions(0, pluginName);
}
if (plugin) {
cfg.writeEntry(trigger, pluginName);
d->actionPlugins()->insert(trigger, plugin);
} else {
//bad plugin... gets removed. is this a feature or a bug?
cfg.deleteEntry(trigger);
}
}
emit configNeedsSaving();
}
QStringList Containment::containmentActionsTriggers()
{
return d->actionPlugins()->keys();
}
QString Containment::containmentActions(const QString &trigger)
{
ContainmentActions *c = d->actionPlugins()->value(trigger);
return c ? c->pluginName() : QString();
}
void Containment::setActivity(const QString &activityId)
{
if (activityId.isEmpty()) {
return;
}
d->activityId = activityId;
KConfigGroup c = config();
c.writeEntry("activityId", activityId);
if (d->toolBox) {
d->toolBox.data()->update();
}
emit configNeedsSaving();
}
QString Containment::activity() const
{
return d->activityId;
}
KActionCollection* ContainmentPrivate::actions()
{
return static_cast<Applet*>(q)->d->actions;
}
void ContainmentPrivate::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 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));
}
void Containment::destroy()
{
destroy(true);
}
void Containment::showConfigurationInterface()
{
Applet::showConfigurationInterface();
}
void ContainmentPrivate::configChanged()
{
if (drawWallpaper) {
KConfigGroup group = q->config();
q->setWallpaper(group.readEntry("wallpaperplugin", defaultWallpaper),
group.readEntry("wallpaperpluginmode", defaultWallpaperMode));
}
}
void ContainmentPrivate::requestConfiguration()
{
emit q->configureRequested(q);
}
void ContainmentPrivate::checkStatus(Plasma::ItemStatus appletStatus)
{
//kDebug() << "================== "<< appletStatus << q->status();
if (appletStatus == q->status()) {
emit q->newStatus(appletStatus);
return;
}
if (appletStatus < q->status()) {
// check to see if any other applet has a higher status, and stick with that
// if we do
foreach (Applet *applet, applets) {
if (applet->status() > appletStatus) {
appletStatus = applet->status();
}
}
}
q->setStatus(appletStatus);
}
void Containment::destroy(bool confirm)
{
if (immutability() != Mutable || Applet::d->transient) {
return;
}
if (isContainment() && confirm) {
//FIXME: should not be blocking
const QString title = i18nc("@title:window %1 is the name of the containment", "Remove %1", name());
KGuiItem remove = KStandardGuiItem::remove();
remove.setText(title);
if (KMessageBox::warningContinueCancel(view(),
i18nc("%1 is the name of the containment", "Do you really want to remove this %1?", name()),
title, remove) != KMessageBox::Continue) {
return;
}
}
Applet::destroy();
}
void ContainmentPrivate::createToolBox()
{
if (!toolBox && KAuthorized::authorizeKAction("plasma/containment_context_menu")) {
toolBox = Plasma::AbstractToolBox::load(q->corona()->preferredToolBoxPlugin(type), QVariantList(), q);
if (toolBox) {
QObject::connect(toolBox.data(), SIGNAL(toggled()), q, SIGNAL(toolBoxToggled()));
QObject::connect(toolBox.data(), SIGNAL(toggled()), q, SLOT(updateToolBoxVisibility()));
positionToolBox();
}
}
}
void ContainmentPrivate::positionToolBox()
{
if (toolBox) {
toolBox.data()->reposition();
}
}
void ContainmentPrivate::updateToolBoxVisibility()
{
emit q->toolBoxVisibilityChanged(toolBox.data()->isShowing());
}
void ContainmentPrivate::triggerShowAddWidgets()
{
emit q->showAddWidgetsInterface(QPointF());
}
void ContainmentPrivate::containmentConstraintsEvent(Plasma::Constraints constraints)
{
if (!q->isContainment()) {
return;
}
//kDebug() << "got containmentConstraintsEvent" << constraints << (QObject*)toolBox;
if (constraints & Plasma::ImmutableConstraint) {
//update actions
checkRemoveAction();
const bool unlocked = q->immutability() == Mutable;
q->setAcceptDrops(unlocked);
q->enableAction("add widgets", unlocked);
// tell the applets too
foreach (Applet *a, applets) {
a->setImmutability(q->immutability());
a->updateConstraints(ImmutableConstraint);
}
}
// pass on the constraints that are relevant here
Constraints appletConstraints = NoConstraint;
if (constraints & FormFactorConstraint) {
appletConstraints |= FormFactorConstraint;
}
if (constraints & ScreenConstraint) {
appletConstraints |= ScreenConstraint;
}
if (appletConstraints != NoConstraint) {
foreach (Applet *applet, applets) {
applet->updateConstraints(appletConstraints);
}
}
if (toolBox && (constraints & Plasma::SizeConstraint ||
constraints & Plasma::FormFactorConstraint ||
constraints & Plasma::ScreenConstraint ||
constraints & Plasma::StartupCompletedConstraint)) {
//kDebug() << "Positioning toolbox";
positionToolBox();
}
if (constraints & Plasma::StartupCompletedConstraint && type < Containment::CustomContainment) {
q->addToolBoxAction(q->action("remove"));
checkRemoveAction();
}
}
Applet *ContainmentPrivate::addApplet(const QString &name, const QVariantList &args,
const QRectF &appletGeometry, uint id, bool delayInit)
{
if (!q->isContainment()) {
return 0;
}
if (!delayInit && q->immutability() != Mutable) {
#ifndef NDEBUG
kDebug() << "addApplet for" << name << "requested, but we're currently immutable!";
#endif
return 0;
}
QGraphicsView *v = q->view();
if (v) {
v->setCursor(Qt::BusyCursor);
}
Applet *applet = PluginLoader::self()->loadApplet(name, id, args);
if (v) {
v->unsetCursor();
}
if (!applet) {
#ifndef NDEBUG
kDebug() << "Applet" << name << "could not be loaded.";
#endif
applet = new Applet(0, QString(), id);
applet->setFailedToLaunch(true, i18n("Could not find requested component: %1", name));
}
//kDebug() << applet->name() << "sizehint:" << applet->sizeHint() << "geometry:" << applet->geometry();
q->addApplet(applet, appletGeometry.topLeft(), delayInit);
return applet;
}
bool ContainmentPrivate::regionIsEmpty(const QRectF &region, Applet *ignoredApplet) const
{
foreach (Applet *applet, applets) {
if (applet != ignoredApplet && applet->geometry().intersects(region)) {
return false;
}
}
return true;
}
void ContainmentPrivate::appletDestroyed(Plasma::Applet *applet)
{
applets.removeAll(applet);
if (focusedApplet == applet) {
focusedApplet = 0;
}
emit q->appletRemoved(applet);
emit q->configNeedsSaving();
}
void ContainmentPrivate::appletAppeared(Applet *applet)
{
//kDebug() << type << Containment::DesktopContainment;
KConfigGroup *cg = applet->d->mainConfigGroup();
applet->save(*cg);
emit q->configNeedsSaving();
}
void ContainmentPrivate::positionPanel(bool force)
{
if (!q->scene()) {
#ifndef NDEBUG
kDebug() << "no scene yet";
#endif
return;
}
// already positioning the panel - avoid infinite loops
if (ContainmentPrivate::s_positioningPanels) {
return;
}
// we position panels in negative coordinates, and stack all horizontal
// and all vertical panels with each other.
const QPointF p = q->pos();
if (!force &&
p.y() + q->size().height() < -INTER_CONTAINMENT_MARGIN &&
q->scene()->collidingItems(q).isEmpty()) {
// already positioned and not running into any other panels
return;
}
QPointF newPos = preferredPanelPos(q->corona());
if (p != newPos) {
ContainmentPrivate::s_positioningPanels = true;
q->setPos(newPos);
ContainmentPrivate::s_positioningPanels = false;
}
}
bool ContainmentPrivate::isPanelContainment() const
{
return type == Containment::PanelContainment || type == Containment::CustomPanelContainment;
}
QPointF ContainmentPrivate::preferredPos(Corona *corona) const
{
Q_ASSERT(corona);
if (isPanelContainment()) {
//kDebug() << "is a panel, so put it at" << preferredPanelPos(corona);
return preferredPanelPos(corona);
}
QPointF pos(0, 0);
QTransform t;
while (QGraphicsItem *i = corona->itemAt(pos, t)) {
pos.setX(i->scenePos().x() + i->boundingRect().width() + 10);
}
//kDebug() << "not a panel, put it at" << pos;
return pos;
}
QPointF ContainmentPrivate::preferredPanelPos(Corona *corona) const
{
Q_ASSERT(corona);
//TODO: research how non-Horizontal, non-Vertical (e.g. Planar) panels behave here
bool horiz = formFactor == Plasma::Horizontal;
qreal bottom = horiz ? 0 : VERTICAL_STACKING_OFFSET;
qreal lastHeight = 0;
// this should be ok for small numbers of panels, but if we ever end
// up managing hundreds of them, this simplistic alogrithm will
// likely be too slow.
foreach (const Containment *other, corona->containments()) {
if (other == q ||
!other->d->isPanelContainment() ||
horiz != (other->formFactor() == Plasma::Horizontal)) {
// only line up with panels of the same orientation
continue;
}
if (horiz) {
qreal y = other->pos().y();
if (y < bottom) {
lastHeight = other->size().height();
bottom = y;
}
} else {
qreal width = other->size().width();
qreal x = other->pos().x() + width;
if (x > bottom) {
lastHeight = width;
bottom = x + lastHeight;
}
}
}
// give a space equal to the height again of the last item so there is
// room to grow.
QPointF newPos;
if (horiz) {
bottom -= lastHeight + INTER_CONTAINMENT_MARGIN;
//TODO: fix x position for non-flush-left panels
#ifndef NDEBUG
kDebug() << "moved to" << QPointF(0, bottom - q->size().height());
#endif
newPos = QPointF(0, bottom - q->size().height());
} else {
bottom += lastHeight + INTER_CONTAINMENT_MARGIN;
//TODO: fix y position for non-flush-top panels
#ifndef NDEBUG
kDebug() << "moved to" << QPointF(bottom + q->size().width(), -INTER_CONTAINMENT_MARGIN - q->size().height());
#endif
newPos = QPointF(bottom + q->size().width(), -INTER_CONTAINMENT_MARGIN - q->size().height());
}
return newPos;
}
bool ContainmentPrivate::prepareContainmentActions(const QString &trigger, const QPoint &screenPos, KMenu *menu)
{
ContainmentActions *plugin = actionPlugins()->value(trigger);
if (!plugin) {
return false;
}
plugin->setContainment(q);
if (!plugin->isInitialized()) {
KConfigGroup cfg = q->containmentActionsConfig();
KConfigGroup pluginConfig = KConfigGroup(&cfg, trigger);
plugin->restore(pluginConfig);
}
if (plugin->configurationRequired()) {
KMenu *localMenu = menu ? menu : new KMenu();
localMenu->addTitle(i18n("This plugin needs to be configured"));
localMenu->addAction(q->action("configure"));
if (!menu) {
localMenu->exec(screenPos);
delete localMenu;
}
return false;
} else if (menu) {
QList<QAction*> actions = plugin->contextualActions();
if (actions.isEmpty()) {
//it probably didn't bother implementing the function. give the user a chance to set
//a better plugin. note that if the user sets no-plugin this won't happen...
if (!isPanelContainment() && q->action("configure")) {
menu->addAction(q->action("configure"));
}
} else {
menu->addActions(actions);
}
}
return true;
}
KConfigGroup Containment::containmentActionsConfig()
{
KConfigGroup cfg;
switch (d->containmentActionsSource) {
case ContainmentPrivate::Local:
cfg = config();
cfg = KConfigGroup(&cfg, "ActionPlugins");
break;
case ContainmentPrivate::Activity:
cfg = KConfigGroup(corona()->config(), "Activities");
cfg = KConfigGroup(&cfg, d->activityId);
cfg = KConfigGroup(&cfg, "ActionPlugins");
break;
default:
cfg = KConfigGroup(corona()->config(), "ActionPlugins");
}
return cfg;
}
QHash<QString, ContainmentActions*> * ContainmentPrivate::actionPlugins()
{
switch (containmentActionsSource) {
case Activity:
//FIXME
case Local:
return &localActionPlugins;
default:
return &globalActionPlugins;
}
}
} // Plasma namespace
#include "moc_containment.cpp"
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