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plasma-framework/containment.cpp
Aaron J. Seigo c4ed36ca0e zoom anim doesn't need to be a member, and this way it doesn't mess up when lots of applets are added at the same time 
svn path=/trunk/KDE/kdelibs/; revision=1070142
2010-01-04 23:45:38 +00:00

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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 <QApplication>
#include <QClipboard>
#include <QFile>
#include <QGraphicsSceneContextMenuEvent>
#include <QGraphicsView>
#include <QMimeData>
#include <QPainter>
#include <QStyleOptionGraphicsItem>
#include <QGraphicsLayout>
#include <QGraphicsLinearLayout>
#include <kaction.h>
#include <kauthorized.h>
#include <kicon.h>
#include <kmenu.h>
#include <kmessagebox.h>
#include <kmimetype.h>
#include <krun.h>
#include <kservicetypetrader.h>
#include <kstandarddirs.h>
#include <ktemporaryfile.h>
#include <kwindowsystem.h>
#include "kio/jobclasses.h" // for KIO::JobFlags
#include "kio/job.h"
#include "kio/scheduler.h"
#include "animator.h"
#include "context.h"
#include "containmentactions.h"
#include "containmentactionspluginsconfig.h"
#include "corona.h"
#include "extenderitem.h"
#include "svg.h"
#include "wallpaper.h"
#include "remote/accessappletjob.h"
#include "remote/accessmanager.h"
#include "private/applet_p.h"
#include "private/applethandle_p.h"
#include "private/containmentactionspluginsconfig_p.h"
#include "private/desktoptoolbox_p.h"
#include "private/extenderitemmimedata_p.h"
#include "private/paneltoolbox_p.h"
#include "plasma/plasma.h"
#include "animations/animation.h"
namespace Plasma
{
bool ContainmentPrivate::s_positioning = false;
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)
: Plasma::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()
{
if (!isContainment()) {
return;
}
setCacheMode(NoCache);
setFlag(QGraphicsItem::ItemIsMovable, false);
setFlag(QGraphicsItem::ItemClipsChildrenToShape, false);
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) {
d->actions()->removeAction(action("zoom in"));
} else {
QAction *zoomAction = action("zoom in");
connect(zoomAction, SIGNAL(triggered()), this, SLOT(zoomIn()));
if (corona()) {
QAction *action = corona()->action("zoom out");
if (action) {
d->actions()->addAction("zoom out", action);
}
action = corona()->action("add sibling containment");
if (action) {
d->actions()->addAction("add sibling containment", action);
}
//a stupid hack to make this one's keyboard shortcut work
action = corona()->action("configure shortcuts");
if (action) {
d->actions()->addAction("configure shortcuts", action);
}
}
if (d->type == DesktopContainment && d->toolBox) {
d->toolBox.data()->addTool(this->action("add widgets"));
d->toolBox.data()->addTool(this->action("zoom in"));
//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 = this->action("configure");
if (configureContainment) {
d->toolBox.data()->addTool(configureContainment);
}
}
//Set a default wallpaper the first time the containment is created,
//for instance from the toolbox by the user
if (d->drawWallpaper) {
setDrawWallpaper(true);
}
}
//containmentactionss, from config or defaults
KConfigGroup cfg = config();
cfg = KConfigGroup(&cfg, "ActionPlugins");
if (cfg.exists()) {
foreach (const QString &key, cfg.keyList()) {
setContainmentActions(key, cfg.readEntry(key, QString()));
}
} else if (corona()){
//we need to be very careful here to not write anything
//because we have a group, and so the defaults will get merged instead of overwritten
//when copyTo is used (which happens right before restore() is called)
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) {
ContainmentActions *plugin = ContainmentActions::load(this, it.value());
if (plugin) {
d->actionPlugins.insert(it.key(), plugin);
}
}
}
}
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->type == Containment::PanelContainment ||
c->d->type == Containment::CustomPanelContainment)) {
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(KIcon("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);
KAction *zoomAction = actions->addAction("zoom in");
zoomAction->setAutoRepeat(false);
zoomAction->setText(i18n("Zoom In"));
zoomAction->setIcon(KIcon("zoom-in"));
//two shortcuts because I hate ctrl-+ but others expect it
zoomAction->setShortcuts(KShortcut("alt+d, +; alt+d, ="));
zoomAction->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)
{
/*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);*/
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()));
}
setGeometry(geo);
//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";
setScreen(group.readEntry("screen", d->screen), group.readEntry("desktop", d->desktop));
setActivity(group.readEntry("activity", QString()));
flushPendingConstraintsEvents();
restoreContents(group);
setImmutability((ImmutabilityType)group.readEntry("immutability", (int)Mutable));
setWallpaper(group.readEntry("wallpaperplugin", defaultWallpaper),
group.readEntry("wallpaperpluginmode", defaultWallpaperMode));
InternalToolBox *toolBox = qobject_cast<InternalToolBox *>(d->toolBox.data());
if (toolBox) {
toolBox->load(group);
}
KConfigGroup cfg(&group, "ActionPlugins");
kDebug() << cfg.keyList();
if (cfg.exists()) {
//clear default containmentactionss
qDeleteAll(d->actionPlugins);
d->actionPlugins.clear();
//load the right configactions
foreach (const QString &key, cfg.keyList()) {
kDebug() << "loading" << key;
setContainmentActions(key, cfg.readEntry(key, QString()));
}
}
/*
kDebug() << "Containment" << id() <<
"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);
group.writeEntry("screen", d->screen);
group.writeEntry("desktop", d->desktop);
group.writeEntry("formfactor", (int)d->formFactor);
group.writeEntry("location", (int)d->location);
group.writeEntry("activity", d->context()->currentActivity());
InternalToolBox *toolBox = qobject_cast<InternalToolBox *>(d->toolBox.data());
if (toolBox) {
toolBox->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 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;
}
Applet *applet = d->addApplet(plugin, QVariantList(),
appletConfig.readEntry("geometry", QRectF()),
appId, true);
applet->restore(appletConfig);
}
}
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;
if (!isContainment()) {
return;
}
if (type == DesktopContainment || type == PanelContainment) {
d->createToolBox();
}
d->checkRemoveAction();
}
Corona *Containment::corona() const
{
return dynamic_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
}
QGraphicsItem *item = scene()->itemAt(event->scenePos());
if (event->button() == Qt::RightButton && event->modifiers() == Qt::NoModifier && item != this) {
//fake a contextmenuevent in case something in the containment plugin is expecting it
//we do this because the click is sent around as a mousepress before a contextmenu event,
//folderview only handles it as a contextmenu event, but if folderview isn't handling it
//then we need to handle it as a mousepress *not* a contextmenuevent.
//unfortunately this makes is possible for badly-behaved containments to eat rightclicks
QGraphicsSceneContextMenuEvent contextEvent(QEvent::GraphicsSceneContextMenu);
contextEvent.setReason(QGraphicsSceneContextMenuEvent::Mouse);
contextEvent.setPos(event->pos());
contextEvent.setScenePos(event->scenePos());
contextEvent.setScreenPos(event->screenPos());
contextEvent.setModifiers(event->modifiers());
contextEvent.setWidget(event->widget());
scene()->sendEvent(item, &contextEvent);
if (contextEvent.isAccepted()) {
event->accept();
return;
}
}
if (d->wallpaper && d->wallpaper->isInitialized() && !event->isAccepted()) {
d->wallpaper->mousePressEvent(event);
}
if (event->isAccepted()) {
setFocus(Qt::MouseFocusReason);
} else {
QString trigger = ContainmentActions::eventToString(event);
if (d->actionPlugins.contains(trigger)) {
if (d->prepareContainmentActions(trigger, event->screenPos())) {
d->actionPlugins.value(trigger)->contextEvent(event);
}
event->accept();
return;
}
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->actionPlugins.contains(trigger)) {
if (d->prepareContainmentActions(trigger, event->screenPos())) {
d->actionPlugins.value(trigger)->contextEvent(event);
}
event->accept();
return;
}
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)
{
d->showContextMenu(mapToScene(containmentPos), screenPos, false, false);
}
void Containment::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
{
//kDebug() << "let's see if we manage to get a context menu here, huh";
if (!isContainment() || !scene() || !KAuthorized::authorizeKAction("desktop_contextmenu")) {
Applet::contextMenuEvent(event);
return;
}
if (d->showContextMenu(event->scenePos(), event->screenPos(), true,
event->reason() == QGraphicsSceneContextMenuEvent::Mouse)) {
event->accept();
} else {
Applet::contextMenuEvent(event);
}
}
void ContainmentPrivate::containmentActions(KMenu &desktopMenu)
{
if (static_cast<Corona*>(q->scene())->immutability() != Mutable &&
!KAuthorized::authorizeKAction("unlock_desktop")) {
//kDebug() << "immutability";
return;
}
QString trigger = "RightButton;NoModifier";
//get base context actions
ContainmentActions *plugin = actionPlugins.value(trigger);
if (plugin) {
if (!plugin->isInitialized()) {
KConfigGroup cfg = q->config();
cfg = KConfigGroup(&cfg, "ActionPlugins");
KConfigGroup pluginConfig = KConfigGroup(&cfg, trigger);
plugin->restore(pluginConfig);
}
if (plugin->configurationRequired()) {
desktopMenu.addTitle(i18n("This menu needs to be configured"));
desktopMenu.addAction(q->action("configure"));
} else {
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...
//FIXME maybe the behaviour could be better
if (type == Containment::DesktopContainment) {
desktopMenu.addAction(q->action("configure"));
}
} else {
//yay!
desktopMenu.addActions(actions);
}
}
}
}
void ContainmentPrivate::appletActions(KMenu &desktopMenu, Applet *applet, bool includeApplet)
{
QList<QAction*> actions;
if (includeApplet) {
actions = applet->contextualActions();
foreach (QAction *action, actions) {
if (action) {
desktopMenu.addAction(action);
}
}
}
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);
containmentActions(*containmentMenu);
if (!containmentMenu->isEmpty()) {
int enabled = 0;
//count number of real actions
foreach (const QAction *action, containmentMenu->actions()) {
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()) {
desktopMenu.addAction(action);
}
} else {
desktopMenu.addMenu(containmentMenu);
}
}
}
if (q->immutability() == Mutable) {
if (!desktopMenu.isEmpty()) {
desktopMenu.addSeparator();
}
QAction *closeApplet = applet->d->actions->action("remove");
if (closeApplet) {
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;
}
bool ContainmentPrivate::showContextMenu(const QPointF &point, const QPoint &screenPos, bool includeApplet, bool isMouseEvent)
{
Applet *applet = appletAt(point);
KMenu desktopMenu;
//kDebug() << "context menu event " << (QObject*)applet;
if (applet) {
appletActions(desktopMenu, applet, includeApplet);
} else if (isMouseEvent) {
return false; //fall through to plugin/wallpaper stuff
} else {
containmentActions(desktopMenu);
}
if (!desktopMenu.isEmpty()) {
//kDebug() << "executing at" << screenPos;
desktopMenu.exec(screenPos);
return true;
}
return false;
}
bool ContainmentPrivate::showAppletContextMenu(Applet *applet, const QPoint &screenPos)
{
KMenu desktopMenu;
appletActions(desktopMenu, applet, true);
if (!desktopMenu.isEmpty()) {
desktopMenu.exec(screenPos);
return true;
}
return false;
}
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);
}
InternalToolBox *toolBox = qobject_cast<InternalToolBox *>(d->toolBox.data());
if (toolBox) {
if (d->formFactor == Vertical) {
toolBox->setCorner(InternalToolBox::Bottom);
//defaults to horizontal
} else if (QApplication::layoutDirection() == Qt::RightToLeft) {
toolBox->setCorner(InternalToolBox::Left);
} else {
toolBox->setCorner(InternalToolBox::Right);
}
}
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) {
kDebug() << "adding null applet!?!";
return;
}
if (d->applets.contains(applet)) {
kDebug() << "already have this applet!";
}
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);
applet->removeSceneEventFilter(currentContainment);
KConfigGroup oldConfig = applet->config();
currentContainment->d->applets.removeAll(applet);
if (currentContainment->d->handles.contains(applet)) {
currentContainment->d->handles.remove(applet);
}
applet->setParentItem(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);
}
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(activate()), this, SIGNAL(activate()));
if (pos != QPointF(-1, -1)) {
applet->setPos(pos);
}
if (delayInit || currentContainment) {
if (d->type == DesktopContainment) {
applet->installSceneEventFilter(this);
//applet->setWindowFlags(Qt::Window);
}
} else {
applet->init();
applet->setScale(0);
Plasma::Animation *zoomAnim = Plasma::Animator::create(Plasma::Animator::ZoomAnimation);
connect(zoomAnim, SIGNAL(finished()), this, SLOT(appletAppearAnimationComplete()));
zoomAnim->setTargetWidget(applet);
zoomAnim->setProperty("zoom", 1.0);
zoomAnim->start(QAbstractAnimation::DeleteWhenStopped);
}
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)
{
// 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.
Q_ASSERT(corona());
int numScreens = corona()->numScreens();
if (newScreen < -1) {
newScreen = -1;
}
// -1 == All desktops
if (newDesktop < -1 || newDesktop > KWindowSystem::numberOfDesktops() - 1) {
newDesktop = -1;
}
//kDebug() << activity() << "setting screen to " << newScreen << newDesktop << "and type is" << d->type;
Containment *swapScreensWith(0);
if (d->type == DesktopContainment || d->type >= CustomContainment) {
// we want to listen to changes in work area if our screen changes
if (d->screen < 0 && newScreen > -1) {
connect(KWindowSystem::self(), SIGNAL(workAreaChanged()), this, SLOT(positionToolBox()));
} else if (newScreen < 0) {
disconnect(KWindowSystem::self(), SIGNAL(workAreaChanged()), this, SLOT(positionToolBox()));
}
if (newScreen > -1 && corona()) {
// sanity check to make sure someone else doesn't have this screen already!
Containment *currently = corona()->containmentForScreen(newScreen, newDesktop);
if (currently && currently != this) {
kDebug() << "currently is on screen" << currently->screen()
<< "desktop" << currently->desktop()
<< "and is" << currently->activity()
<< (QObject*)currently << "i'm" << (QObject*)this;
//kDebug() << "setScreen due to swap";
//make the view completely forget about us
emit screenChanged(d->screen, -1, this);
currently->setScreen(-1, newDesktop);
emit screenChanged(-1, newDesktop, currently);
swapScreensWith = currently;
}
}
}
if (newScreen < numScreens && newScreen > -1) {
if (d->type == DesktopContainment ||
d->type >= CustomContainment) {
resize(corona()->screenGeometry(newScreen).size());
}
}
int oldDesktop = d->desktop;
d->desktop = newDesktop;
int oldScreen = d->screen;
d->screen = newScreen;
updateConstraints(Plasma::ScreenConstraint);
if (oldScreen != newScreen || oldDesktop != newDesktop) {
emit screenChanged(oldScreen, newScreen, this);
KConfigGroup c = config();
c.writeEntry("screen", d->screen);
c.writeEntry("desktop", d->desktop);
emit configNeedsSaving();
}
if (swapScreensWith) {
//kDebug() << "setScreen due to swap, part 2";
swapScreensWith->setScreen(oldScreen, oldDesktop);
}
d->checkRemoveAction();
if (newScreen >= 0) {
emit activate();
}
}
int Containment::screen() const
{
return d->screen;
}
int Containment::desktop() const
{
return d->desktop;
}
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]");
} 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()) ||
KUrl::List::canDecode(event->mimeData()) ||
event->mimeData()->hasFormat(ExtenderItemMimeData::mimeType())));
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
kDebug() << "no mime data";
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->hasFormat(ExtenderItemMimeData::mimeType())) {
kDebug() << "mimetype plasma/extenderitem is dropped, creating internal:extender";
//Handle dropping extenderitems.
const ExtenderItemMimeData *extenderData = qobject_cast<const ExtenderItemMimeData*>(mimeData);
if (extenderData) {
ExtenderItem *item = extenderData->extenderItem();
QRectF geometry(pos, item->size());
kDebug() << "desired geometry: " << geometry;
Applet *applet = q->addApplet("internal:extender", QVariantList(), geometry);
item->setExtender(applet->extender());
}
} else if (KUrl::List::canDecode(mimeData)) {
//TODO: collect the mimetypes of available script engines and offer
// to create widgets out of the matching URLs, if any
const KUrl::List urls = KUrl::List::fromMimeData(mimeData);
foreach (const KUrl &url, urls) {
if (AccessManager::supportedProtocols().contains(url.protocol())) {
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*)));
} else {
KMimeType::Ptr mime = KMimeType::findByUrl(url);
QString mimeName = mime->name();
QRectF geom(pos, QSize());
QVariantList args;
args << url.url();
kDebug() << "can decode" << mimeName << args;
// 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 *, const QString&)),
q, SLOT(mimeTypeRetrieved(KIO::Job *, const QString&)));
KMenu *choices = new KMenu("Content dropped");
choices->addAction(KIcon("process-working"), i18n("Fetching file type..."));
if (dropEvent)
choices->popup(dropEvent->screenPos());
else
choices->popup(screenPos);
dropMenus[job] = choices;
}
}
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(KIcon(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);
}
KTemporaryFile 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();
kDebug() << args;
tempFile.close();
q->addApplet(selectedPlugin, args, geom);
}
}
}
}
void ContainmentPrivate::clearDataForMimeJob(KIO::Job *job)
{
QObject::disconnect(job, 0, q, 0);
dropPoints.remove(job);
KMenu *choices = dropMenus.take(job);
if (choices) {
delete choices;
}
job->kill();
}
void ContainmentPrivate::remoteAppletReady(Plasma::AccessAppletJob *job)
{
QPointF pos = dropPoints.take(job);
if (job->error()) {
//TODO: nice user visible error handling (knotification probably?)
kDebug() << "remote applet access failed: " << job->errorText();
return;
}
if (!job->applet()) {
kDebug() << "how did we end up here? if applet is null, the job->error should be nonzero";
return;
}
q->addApplet(job->applet(), pos);
}
void ContainmentPrivate::dropJobResult(KJob *job)
{
KIO::TransferJob* tjob = dynamic_cast<KIO::TransferJob*>(job);
if (!tjob) {
kDebug() << "job is not a KIO::TransferJob, won't handle the drop...";
clearDataForMimeJob(tjob);
return;
}
if (job->error()) {
kDebug() << "ERROR" << tjob->error() << ' ' << tjob->errorString();
}
// 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());
}
void ContainmentPrivate::mimeTypeRetrieved(KIO::Job *job, const QString &mimetype)
{
kDebug() << "Mimetype Job returns." << mimetype;
KIO::TransferJob* tjob = dynamic_cast<KIO::TransferJob*>(job);
if (!tjob) {
kDebug() << "job should be a TransferJob, but isn't";
clearDataForMimeJob(job);
return;
}
KPluginInfo::List appletList = Applet::listAppletInfoForUrl(tjob->url());
if (mimetype.isEmpty() && !appletList.count()) {
clearDataForMimeJob(job);
kDebug() << "No applets found matching the url (" << tjob->url() << ") or the mimetype (" << mimetype << ")";
return;
} else {
QPointF posi; // will be overwritten with the event's position
if (dropPoints.keys().contains(tjob)) {
posi = dropPoints[tjob];
kDebug() << "Received a suitable dropEvent at" << posi;
} else {
kDebug() << "Bailing out. Cannot find associated dropEvent related to the TransferJob";
clearDataForMimeJob(job);
return;
}
KMenu *choices = dropMenus.value(tjob);
if (!choices) {
kDebug() << "Bailing out. No QMenu found for this job.";
clearDataForMimeJob(job);
return;
}
QVariantList args;
args << tjob->url().url() << mimetype;
kDebug() << "Creating menu for:" << mimetype << posi << args;
appletList << Applet::listAppletInfoForMimetype(mimetype);
KPluginInfo::List wallpaperList;
if (q->drawWallpaper()) {
wallpaperList = Wallpaper::listWallpaperInfoForMimetype(mimetype);
}
if (!appletList.isEmpty() || !wallpaperList.isEmpty()) {
choices->clear();
QHash<QAction *, QString> actionsToApplets;
choices->addTitle(i18n("Widgets"));
foreach (const KPluginInfo &info, appletList) {
kDebug() << info.name();
QAction *action;
if (!info.icon().isEmpty()) {
action = choices->addAction(KIcon(info.icon()), info.name());
} else {
action = choices->addAction(info.name());
}
actionsToApplets.insert(action, info.pluginName());
kDebug() << info.pluginName();
}
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(KIcon(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();
emit wallpaper->urlDropped(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);
}
const QGraphicsItem *Containment::toolBoxItem() const
{
return d->toolBox.data();
}
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 (!ContainmentPrivate::s_positioning) {
switch (d->type) {
case Containment::PanelContainment:
case Containment::CustomPanelContainment:
d->positionPanel();
break;
default:
d->positionContainments();
break;
}
}
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()) {
kDebug() << "let's give focus to...." << (QObject*)d->applets.first();
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->actionPlugins.contains(trigger)) {
if (d->prepareContainmentActions(trigger, event->screenPos())) {
d->actionPlugins.value(trigger)->contextEvent(event);
}
event->accept();
return;
}
event->ignore();
Applet::wheelEvent(event);
}
bool Containment::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
{
Applet *applet = qgraphicsitem_cast<Applet*>(watched);
// Otherwise we're watching something we shouldn't be...
Q_ASSERT(applet != 0);
if (!d->applets.contains(applet)) {
return false;
}
//kDebug() << "got sceneEvent";
switch (event->type()) {
case QEvent::GraphicsSceneHoverEnter:
//kDebug() << "got hoverenterEvent" << immutability() << " " << applet->immutability();
if (immutability() == Mutable && applet->immutability() == Mutable) {
QGraphicsSceneHoverEvent *he = static_cast<QGraphicsSceneHoverEvent*>(event);
if (d->handles.contains(applet)) {
AppletHandle *handle = d->handles.value(applet);
if (handle) {
handle->setHoverPos(he->pos());
}
} else {
//kDebug() << "generated applet handle";
AppletHandle *handle = new AppletHandle(this, applet, he->pos());
d->handles[applet] = handle;
connect(handle, SIGNAL(disappearDone(AppletHandle*)),
this, SLOT(handleDisappeared(AppletHandle*)));
connect(applet, SIGNAL(geometryChanged()),
handle, SLOT(appletResized()));
}
}
break;
case QEvent::GraphicsSceneHoverMove:
if (immutability() == Mutable && applet->immutability() == Mutable) {
QGraphicsSceneHoverEvent *he = static_cast<QGraphicsSceneHoverEvent*>(event);
if (d->handles.contains(applet)) {
AppletHandle *handle = d->handles.value(applet);
if (handle) {
handle->setHoverPos(he->pos());
}
}
}
break;
default:
break;
}
return false;
}
QVariant Containment::itemChange(GraphicsItemChange change, const QVariant &value)
{
//FIXME if the applet is moved to another containment we need to unfocus it
if (isContainment() && !ContainmentPrivate::s_positioning &&
(change == QGraphicsItem::ItemSceneHasChanged || change == QGraphicsItem::ItemPositionHasChanged)) {
switch (d->type) {
case PanelContainment:
case CustomPanelContainment:
d->positionPanel();
break;
default:
d->positionContainments();
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)
{
if (!d->toolBox && (d->type == CustomPanelContainment || d->type >= CustomContainment)) {
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();
}
}
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 = config();
cfg = KConfigGroup(&cfg, "ActionPlugins");
bool everSaved = cfg.exists();
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()) {
//FIXME make a truly unique config group
KConfigGroup pluginConfig = KConfigGroup(&cfg, trigger);
plugin->restore(pluginConfig);
}
} else {
plugin = ContainmentActions::load(this, 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);
}
}
if (!everSaved) {
//ensure all our defaults are written out
//the disadvantage of using a group...
for (QHash<QString,ContainmentActions*>::const_iterator it = d->actionPlugins.constBegin(),
end = d->actionPlugins.constEnd(); it != end; ++it) {
cfg.writeEntry(it.key(), it.value()->pluginName());
}
}
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 &activity)
{
Context *context = d->context();
if (context->currentActivity() != activity) {
context->setCurrentActivity(activity);
foreach (Applet *a, d->applets) {
a->updateConstraints(ContextConstraint);
}
KConfigGroup c = config();
c.writeEntry("activity", activity);
if (d->toolBox) {
d->toolBox.data()->update();
}
emit configNeedsSaving();
}
}
QString Containment::activity() const
{
return d->context()->currentActivity();
}
Context *ContainmentPrivate::context()
{
if (!con) {
con = new Context(q);
q->connect(con, SIGNAL(changed(Plasma::Context*)),
q, SIGNAL(contextChanged(Plasma::Context*)));
}
return con;
}
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;
}
kDebug() << "index" << index;
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;
}
kDebug() << "index" << index;
d->focusApplet(d->applets.at(index));
}
void Containment::destroy()
{
destroy(true);
}
void Containment::showConfigurationInterface()
{
Applet::showConfigurationInterface();
}
void ContainmentPrivate::requestConfiguration()
{
emit q->configureRequested(q);
}
void Containment::destroy(bool confirm)
{
if (immutability() != Mutable || Applet::d->transient) {
return;
}
if (isContainment()) {
//FIXME maybe that %1 should be the containment type not the name
if (!confirm ||
KMessageBox::warningContinueCancel(
view(),
i18nc("%1 is the name of the containment", "Do you really want to remove this %1?", name()),
i18nc("@title:window %1 is the name of the containment", "Remove %1", name()), KStandardGuiItem::remove()) == KMessageBox::Continue) {
//clearApplets();
Applet::destroy();
}
} else {
Applet::destroy();
}
}
void ContainmentPrivate::zoomIn()
{
emit q->zoomRequested(q, Plasma::ZoomIn);
positionToolBox();
}
void ContainmentPrivate::zoomOut()
{
emit q->zoomRequested(q, Plasma::ZoomOut);
positionToolBox();
}
AbstractToolBox *ContainmentPrivate::createToolBox()
{
if (!toolBox) {
switch (type) {
case Containment::PanelContainment:
case Containment::CustomPanelContainment:
{
PanelToolBox *pt = new PanelToolBox(q);
toolBox = pt;
pt->setSize(KIconLoader::SizeSmallMedium);
pt->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
if (q->immutability() != Mutable) {
pt->hide();
}
break;
}
default:
{
DesktopToolBox *dt = new DesktopToolBox(q);
toolBox = dt;
dt->setSize(KIconLoader::SizeSmallMedium);
dt->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
break;
}
}
if (toolBox) {
InternalToolBox *internalToolBox = qobject_cast<InternalToolBox *>(toolBox.data());
QObject::connect(toolBox.data(), SIGNAL(toggled()), q, SIGNAL(toolBoxToggled()));
QObject::connect(toolBox.data(), SIGNAL(toggled()), q, SLOT(updateToolBoxVisibility()));
if (internalToolBox) {
internalToolBox->load();
positionToolBox();
}
}
}
return toolBox.data();
}
void ContainmentPrivate::positionToolBox()
{
InternalToolBox *internalToolBox = qobject_cast<InternalToolBox *>(toolBox.data());
if (internalToolBox) {
internalToolBox->reposition();
}
}
void ContainmentPrivate::updateToolBoxVisibility()
{
emit q->toolBoxVisibilityChanged(toolBox.data()->isShowing());
}
void ContainmentPrivate::triggerShowAddWidgets()
{
emit q->showAddWidgetsInterface(QPointF());
}
void ContainmentPrivate::handleDisappeared(AppletHandle *handle)
{
if (handles.contains(handle->applet())) {
handles.remove(handle->applet());
handle->detachApplet();
if (q->scene()) {
q->scene()->removeItem(handle);
}
handle->deleteLater();
}
}
void ContainmentPrivate::checkRemoveAction()
{
q->enableAction("remove", q->immutability() == Mutable);
}
void ContainmentPrivate::containmentConstraintsEvent(Plasma::Constraints constraints)
{
if (!q->isContainment()) {
return;
}
//kDebug() << "got containmentConstraintsEvent" << constraints << (QObject*)toolBox;
if (constraints & Plasma::ImmutableConstraint) {
//update actions
checkRemoveAction();
bool unlocked = q->immutability() == Mutable;
q->setAcceptDrops(unlocked);
q->enableAction("add widgets", unlocked);
// tell the applets too
foreach (Applet *a, applets) {
a->updateConstraints(ImmutableConstraint);
}
if (toolBox) {
if (type == Containment::PanelContainment || type == Containment::CustomPanelContainment) {
toolBox.data()->setVisible(unlocked);
} else {
InternalToolBox *internalToolBox = qobject_cast<InternalToolBox *>(toolBox.data());
if (internalToolBox) {
internalToolBox->setIsMovable(unlocked);
}
}
}
//clear handles on lock
if (!unlocked) {
QMap<Applet*, AppletHandle*> h = handles;
handles.clear();
foreach (AppletHandle *handle, h) {
handle->disconnect(q);
if (q->scene()) {
q->scene()->removeItem(handle);
}
handle->deleteLater();
}
}
}
if (constraints & Plasma::FormFactorConstraint) {
foreach (Applet *applet, applets) {
applet->updateConstraints(Plasma::FormFactorConstraint);
}
}
if (toolBox && (constraints & Plasma::SizeConstraint ||
constraints & Plasma::FormFactorConstraint ||
constraints & Plasma::ScreenConstraint ||
constraints & Plasma::StartupCompletedConstraint)) {
//kDebug() << "Positioning toolbox";
positionToolBox();
}
if (toolBox && constraints & Plasma::StartupCompletedConstraint && type < Containment::CustomContainment) {
toolBox.data()->addTool(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) {
kDebug() << "addApplet for" << name << "requested, but we're currently immutable!";
return 0;
}
QGraphicsView *v = q->view();
if (v) {
v->setCursor(Qt::BusyCursor);
}
Applet *applet = Applet::load(name, id, args);
if (v) {
v->unsetCursor();
}
if (!applet) {
kDebug() << "Applet" << name << "could not be loaded.";
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;
}
if (handles.contains(applet)) {
AppletHandle *handle = handles.value(applet);
handles.remove(applet);
if (q->scene()) {
q->scene()->removeItem(handle);
}
}
emit q->appletRemoved(applet);
emit q->configNeedsSaving();
}
void ContainmentPrivate::appletAppearAnimationComplete()
{
Animation *anim = qobject_cast<Animation *>(q->sender());
if (!anim) {
return;
}
Applet *applet = qobject_cast<Applet*>(anim->targetWidget());
if (!applet) {
return;
}
Animation *pulse = Plasma::Animator::create(Plasma::Animator::PulseAnimation);
pulse->setTargetWidget(applet);
pulse->setProperty("duration", 300);
pulse->setProperty("targetScale", 1.3);
pulse->start(QAbstractAnimation::DeleteWhenStopped);
if (applet->parentItem() == q) {
if (type == Containment::DesktopContainment) {
applet->installSceneEventFilter(q);
}
KConfigGroup *cg = applet->d->mainConfigGroup();
applet->save(*cg);
emit q->configNeedsSaving();
}
}
bool containmentSortByPosition(const Containment *c1, const Containment *c2)
{
return c1->id() < c2->id();
}
void ContainmentPrivate::positionContainments()
{
Corona *c = q->corona();
if (!c || ContainmentPrivate::s_positioning) {
return;
}
ContainmentPrivate::s_positioning = true;
//TODO: we should avoid running this too often; consider compressing requests
// with a timer.
QList<Containment*> containments = c->containments();
QMutableListIterator<Containment*> it(containments);
while (it.hasNext()) {
Containment *containment = it.next();
if (containment->d->type == Containment::PanelContainment ||
containment->d->type == Containment::CustomPanelContainment ||
q->corona()->offscreenWidgets().contains(containment)) {
// weed out all containments we don't care about at all
// e.g. Panels and ourself
it.remove();
continue;
}
}
if (containments.isEmpty()) {
ContainmentPrivate::s_positioning = false;
return;
}
qSort(containments.begin(), containments.end(), containmentSortByPosition);
it.toFront();
int column = 0;
int x = 0;
int y = 0;
int rowHeight = 0;
//int count = 0;
//kDebug() << "+++++++++++++++++++++++++++++++++++++++++++++++++++" << containments.count();
while (it.hasNext()) {
Containment *containment = it.next();
containment->setPos(x, y);
//kDebug() << ++count << "setting to" << x << y;
int height = containment->size().height();
if (height > rowHeight) {
rowHeight = height;
}
++column;
if (column == CONTAINMENT_COLUMNS) {
column = 0;
x = 0;
y += rowHeight + INTER_CONTAINMENT_MARGIN + TOOLBOX_MARGIN;
rowHeight = 0;
} else {
x += containment->size().width() + INTER_CONTAINMENT_MARGIN;
}
//kDebug() << "column: " << column << "; x " << x << "; y" << y << "; width was"
// << containment->size().width();
}
//kDebug() << "+++++++++++++++++++++++++++++++++++++++++++++++++++";
ContainmentPrivate::s_positioning = false;
}
void ContainmentPrivate::positionPanel(bool force)
{
if (!q->scene()) {
kDebug() << "no scene yet";
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;
}
//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, q->corona()->containments()) {
if (other == q ||
(other->d->type != Containment::PanelContainment &&
other->d->type != Containment::CustomPanelContainment) ||
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;
}
}
}
kDebug() << "positioning" << (horiz ? "" : "non-") << "horizontal panel; forced?" << force;
// 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
kDebug() << "moved to" << QPointF(0, bottom - q->size().height());
newPos = QPointF(0, bottom - q->size().height());
} else {
bottom += lastHeight + INTER_CONTAINMENT_MARGIN;
//TODO: fix y position for non-flush-top panels
kDebug() << "moved to" << QPointF(bottom + q->size().width(), -INTER_CONTAINMENT_MARGIN - q->size().height());
newPos = QPointF(bottom + q->size().width(), -INTER_CONTAINMENT_MARGIN - q->size().height());
}
if (p != newPos) {
ContainmentPrivate::s_positioning = true;
q->setPos(newPos);
ContainmentPrivate::s_positioning = false;
}
}
bool ContainmentPrivate::prepareContainmentActions(const QString &trigger, const QPoint &screenPos)
{
ContainmentActions *plugin = actionPlugins.value(trigger);
if (!plugin->isInitialized()) {
KConfigGroup cfg = q->config();
cfg = KConfigGroup(&cfg, "ActionPlugins");
KConfigGroup pluginConfig = KConfigGroup(&cfg, trigger);
plugin->restore(pluginConfig);
}
if (plugin->configurationRequired()) {
KMenu menu;
menu.addTitle(i18n("This plugin needs to be configured"));
menu.addAction(q->action("configure"));
menu.exec(screenPos);
return false;
}
return true;
}
} // Plasma namespace
#include "containment.moc"
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