Added support for shell switching

CMakeLists.txt

@@ -64,12 +64,14 @@ add_executable(plasma-shell
     main.cpp
     configview.cpp
     containmentconfigview.cpp
+    # desktopcorona.cpp
+    shellcorona.cpp
     currentcontainmentactionsmodel.cpp
     panelshadows.cpp
-    desktopcorona.cpp
     panelview.cpp
     shellpluginloader.cpp
     shellpackage.cpp
+    shellmanager.cpp
     lookandfeelpackage.cpp
     view.cpp
     panelconfigview.cpp

desktopcorona.cpp

@@ -1,355 +0,0 @@
-/*
- *   Copyright 2008 Aaron Seigo <aseigo@kde.org>
- *   Copyright 2013 Sebastian Kügler <sebas@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 "desktopcorona.h"
-
-#include <QApplication>
-#include <QDebug>
-#include <QDesktopWidget>
-#include <QQmlContext>
-#include <QTimer>
-
-#include <KLocalizedString>
-#include <Plasma/Package>
-
-#include "containmentconfigview.h"
-#include "panelview.h"
-#include "view.h"
-#include "scripting/desktopscriptengine.h"
-#include "widgetexplorer/widgetexplorerview.h"
-
-
-static const QString s_panelTemplatesPath("plasma-layout-templates/panels/*");
-
-DesktopCorona::DesktopCorona(QObject *parent)
-    : Plasma::Corona(parent),
-      m_desktopWidget(QApplication::desktop()),
-      m_widgetExplorerView(0)
-{
-    m_desktopDefaultsConfig = KConfigGroup(KSharedConfig::openConfig(package().filePath("defaults")), "Desktop");
-
-    m_appConfigSyncTimer = new QTimer(this);
-    m_appConfigSyncTimer->setSingleShot(true);
-    connect(m_appConfigSyncTimer, &QTimer::timeout,
-            this, &DesktopCorona::syncAppConfig);
-
-    connect(m_desktopWidget, SIGNAL(resized(int)),
-            this, SLOT(screenResized(int)));
-    connect(m_desktopWidget, SIGNAL(screenCountChanged(int)),
-            this, SLOT(screenCountChanged(int)));
-    connect(m_desktopWidget, SIGNAL(workAreaResized(int)),
-            this, SLOT(workAreaResized(int)));
-    connect(this, &DesktopCorona::containmentAdded, this, &DesktopCorona::handleContainmentAdded);
-
-    connect(this, SIGNAL(screenOwnerChanged(int, int, Plasma::Containment *)),
-            this, SLOT(updateScreenOwner(int, int, Plasma::Containment *)));
-    checkViews();
-
-    //QTimer::singleShot(600, this, SLOT(showWidgetExplorer())); // just for easier debugging
-}
-
-DesktopCorona::~DesktopCorona()
-{
-}
-
-KSharedConfig::Ptr DesktopCorona::applicationConfig()
-{
-    return KSharedConfig::openConfig();
-}
-
-void DesktopCorona::requestApplicationConfigSync()
-{
-    // constant controlling how long between requesting a configuration sync
-    // and one happening should occur. currently 10 seconds
-    static const int CONFIG_SYNC_TIMEOUT = 10000;
-
-    m_appConfigSyncTimer->start(CONFIG_SYNC_TIMEOUT);
-}
-
-void DesktopCorona::loadDefaultLayout()
-{
-    WorkspaceScripting::DesktopScriptEngine scriptEngine(this, true);
-    connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::printError,
-            this, &DesktopCorona::printScriptError);
-    connect(&scriptEngine, &WorkspaceScripting::ScriptEngine::print,
-            this, &DesktopCorona::printScriptMessage);
-
-    QString script = package().filePath("defaultlayout");
-
-    QFile file(script);
-    if (file.open(QIODevice::ReadOnly | QIODevice::Text) ) {
-        QString code = file.readAll();
-        qDebug() << "evaluating startup script:" << script;
-        scriptEngine.evaluateScript(code);
-    }
-}
-
-void DesktopCorona::processUpdateScripts()
-{
-    foreach (const QString &script, WorkspaceScripting::ScriptEngine::pendingUpdateScripts(this)) {
-        WorkspaceScripting::DesktopScriptEngine scriptEngine(this, false);
-        scriptEngine.evaluateScript(script);
-    }
-}
-
-void DesktopCorona::checkScreens(bool signalWhenExists)
-{
-    // quick sanity check to ensure we have containments for each screen
-    int num = numScreens();
-    for (int i = 0; i < num; ++i) {
-        checkScreen(i, signalWhenExists);
-    }
-}
-
-void DesktopCorona::checkScreen(int screen, bool signalWhenExists)
-{
-    // signalWhenExists is there to allow PlasmaApp to know when to create views
-    // it does this only on containment addition, but in the case of a screen being
-    // added and the containment already existing for that screen, no signal is emitted
-    // and so PlasmaApp does not know that it needs to create a view for it. to avoid
-    // taking care of that case in PlasmaApp (which would duplicate some of the code below,
-    // DesktopCorona will, when signalWhenExists is true, emit a containmentAdded signal
-    // even if the containment actually existed prior to this method being called.
-    //
-    //note: hte signal actually triggers view creation only for panels, atm.
-    //desktop views are created in response to containment's screenChanged signal instead, which is
-    //buggy (sometimes the containment thinks it's already on the screen, so no view is created)
-
-    //TODO: restore activities
-    //Activity *currentActivity = activity(m_activityController->currentActivity());
-    //ensure the desktop(s) have a containment and view
-    checkDesktop(/*currentActivity,*/ signalWhenExists, screen);
-
-
-    //ensure the panels get views too
-    if (signalWhenExists) {
-        foreach (Plasma::Containment * c, containments()) {
-            if (c->screen() != screen) {
-                continue;
-            }
-
-            Plasma::Types::ContainmentType t = c->containmentType();
-            if (t == Plasma::Types::PanelContainment ||
-                t == Plasma::Types::CustomPanelContainment) {
-                emit containmentAdded(c);
-            }
-        }
-    }
-}
-
-void DesktopCorona::checkDesktop(/*Activity *activity,*/ bool signalWhenExists, int screen)
-{
-    Plasma::Containment *c = /*activity->*/containmentForScreen(screen);
-
-    //TODO: remove following when activities are restored
-    if (!c) {
-        c = createContainment(m_desktopDefaultsConfig.readEntry("Containment", "org.kde.desktopcontainment"));
-    }
-
-    if (!c) {
-        return;
-    }
-
-    c->setScreen(screen);
-    if (screen >= 0 || m_views.count() >= screen + 1) {
-        m_views[screen]->setContainment(c);
-    } else {
-        qWarning() << "Invalid screen";
-    }
-    c->flushPendingConstraintsEvents();
-    requestApplicationConfigSync();
-
-    if (signalWhenExists) {
-        emit containmentAdded(c);
-    }
-}
-
-int DesktopCorona::numScreens() const
-{
-    return m_desktopWidget->screenCount();
-}
-
-QRect DesktopCorona::screenGeometry(int id) const
-{
-    return m_desktopWidget->screenGeometry(id);
-}
-
-QRegion DesktopCorona::availableScreenRegion(int id) const
-{
-    return m_desktopWidget->availableGeometry(id);
-}
-
-QRect DesktopCorona::availableScreenRect(int id) const
-{
-    return m_desktopWidget->availableGeometry(id);
-}
-
-PanelView *DesktopCorona::panelView(Plasma::Containment *containment) const
-{
-    return m_panelViews.value(containment);
-}
-
-
-///// SLOTS
-
-void DesktopCorona::screenCountChanged(int newCount)
-{
-    qDebug() << "New screen count" << newCount;
-    checkViews();
-}
-
-void DesktopCorona::screenResized(int screen)
-{
-    qDebug() << "Screen resized" << screen;
-}
-
-void DesktopCorona::workAreaResized(int screen)
-{
-    qDebug() << "Work area resized" << screen;
-}
-
-void DesktopCorona::checkViews()
-{
-    if (m_views.count() == m_desktopWidget->screenCount()) {
-        return;
-    } else if (m_views.count() < m_desktopWidget->screenCount()) {
-        for (int i = m_views.count(); i < m_desktopWidget->screenCount(); ++i) {
-            View *view = new View(this);
-            QSurfaceFormat format;
-            view->show();
-            
-            m_views << view;
-        }
-    } else {
-        for (int i = m_desktopWidget->screenCount(); i < m_views.count(); ++i) {
-            View *view = m_views.last();
-            view->deleteLater();
-            m_views.pop_back();
-        }
-    }
-
-    //check every containment is in proper view
-    for (int i = 0; i < m_desktopWidget->screenCount(); ++i) {
-        qDebug() << "TODO: Implement loading containments into the views";
-    }
-}
-
-
-void DesktopCorona::checkLoadingDesktopsComplete()
-{
-    Plasma::Containment *c = qobject_cast<Plasma::Containment *>(sender());
-    if (c) {
-        disconnect(c, &Plasma::Containment::uiReadyChanged,
-                   this, &DesktopCorona::checkLoadingDesktopsComplete);
-        m_loadingDesktops.remove(c);
-    }
-
-    if (m_loadingDesktops.isEmpty()) {
-        foreach (Plasma::Containment *cont, m_waitingPanels) {
-            m_panelViews[cont] = new PanelView(this);
-            m_panelViews[cont]->setContainment(cont);
-        }
-        m_waitingPanels.clear();
-    }
-}
-
-void DesktopCorona::updateScreenOwner(int wasScreen, int isScreen, Plasma::Containment *containment)
-{
-    qDebug() << "Was screen" << wasScreen << "Is screen" << isScreen <<"Containment" << containment << containment->title();
-
-    if (containment->formFactor() == Plasma::Types::Horizontal ||
-        containment->formFactor() == Plasma::Types::Vertical) {
-
-        if (isScreen >= 0) {
-            m_waitingPanels << containment;
-        } else {
-            if (m_panelViews.contains(containment)) {
-                m_panelViews[containment]->setContainment(0);
-                m_panelViews[containment]->deleteLater();
-                m_panelViews.remove(containment);
-            }
-        }
-        checkLoadingDesktopsComplete();
-
-    //Desktop view
-    } else {
-
-        if (containment->isUiReady()) {
-            checkLoadingDesktopsComplete();
-        } else {
-            m_loadingDesktops.insert(containment);
-            connect(containment, &Plasma::Containment::uiReadyChanged,
-                    this, &DesktopCorona::checkLoadingDesktopsComplete);
-        }
-
-        if (isScreen < 0 || m_views.count() < isScreen + 1) {
-            qWarning() << "Invalid screen";
-            return;
-        }
-
-        m_views[isScreen]->setContainment(containment);
-    }
-}
-
-void DesktopCorona::handleContainmentAdded(Plasma::Containment* c)
-{
-    connect(c, &Plasma::Containment::showAddWidgetsInterface,
-            this, &DesktopCorona::showWidgetExplorer);
-}
-
-void DesktopCorona::showWidgetExplorer()
-{
-    if (!m_widgetExplorerView) {
-
-        QString expqml = package().filePath("widgetexplorer");
-        qDebug() << "Script to load for WidgetExplorer: " << expqml;
-        m_widgetExplorerView = new WidgetExplorerView(expqml);
-        m_widgetExplorerView->init();
-    }
-    Plasma::Containment *c = 0;
-    c = dynamic_cast<Plasma::Containment*>(sender());
-    if (c) {
-        qDebug() << "Found containment.";
-        m_widgetExplorerView->setContainment(c);
-    } else {
-        // FIXME: try harder to find a suitable containment?
-        qWarning() << "containment not set, don't know where to add the applet.";
-    }
-    m_widgetExplorerView->show();
-}
-
-void DesktopCorona::syncAppConfig()
-{
-    qDebug() << "Syncing plasma-shellrc config";
-    applicationConfig()->sync();
-}
-
-void DesktopCorona::printScriptError(const QString &error)
-{
-    qWarning() << error;
-}
-
-void DesktopCorona::printScriptMessage(const QString &message)
-{
-    qDebug() << message;
-}
-
-#include "moc_desktopcorona.cpp"
-

main.cpp

@@ -20,8 +20,8 @@
 #include <qcommandlineparser.h>
 
 #include <klocalizedstring.h>
-#include "desktopcorona.h"
 #include "shellpluginloader.h"
+#include "shellmanager.h"
 
 #include <QtQml/QQmlDebuggingEnabler>
 
@@ -49,14 +49,16 @@ int main(int argc, char** argv)
         QQmlDebuggingEnabler enabler;
     }
 
-    Plasma::PluginLoader::setPluginLoader(new ShellPluginLoader);
-    DesktopCorona *corona = new DesktopCorona();
-    corona->loadLayout();
-    if (corona->containments().isEmpty()) {
-        corona->loadDefaultLayout();
-    }
-    corona->processUpdateScripts();
-    corona->checkScreens();
+    // Plasma::PluginLoader::setPluginLoader(new ShellPluginLoader);
+    // DesktopCorona *corona = new DesktopCorona();
+    // corona->loadLayout();
+    // if (corona->containments().isEmpty()) {
+    //     corona->loadDefaultLayout();
+    // }
+    // corona->processUpdateScripts();
+    // corona->checkScreens();
+
+    ShellManager::instance();
 
     return app.exec();
 }

panelview.cpp

@@ -17,7 +17,7 @@
  */
 
 #include "panelview.h"
-#include "desktopcorona.h"
+#include "shellcorona.h"
 #include "panelshadows_p.h"
 
 #include <QAction>
@@ -33,7 +33,7 @@
 #include <Plasma/Containment>
 #include <Plasma/Package>
 
-PanelView::PanelView(DesktopCorona *corona, QWindow *parent)
+PanelView::PanelView(ShellCorona *corona, QWindow *parent)
     : View(corona, parent),
        m_offset(0),
        m_maxLength(0),
@@ -167,11 +167,11 @@ void PanelView::setThickness(int value)
 
 int PanelView::length() const
 {
-    if (formFactor() == Plasma::Types::Vertical) {
-        return config().readEntry<int>("length", screen()->size().height());
-    } else {
-        return config().readEntry<int>("length", screen()->size().width());
-    }
+    return config().readEntry<int>("length",
+            formFactor() == Plasma::Types::Vertical ?
+                screen()->size().height() :
+                screen()->size().width()
+        );
 }
 
 void PanelView::setLength(int value)

panelview.h

@@ -24,7 +24,7 @@
 #include "panelconfigview.h"
 #include <QtCore/qpointer.h>
 
-class DesktopCorona;
+class ShellCorona;
 
 class PanelView : public View
 {
@@ -38,7 +38,7 @@ class PanelView : public View
     Q_PROPERTY(QScreen *screen READ screen NOTIFY screenChanged)
 
 public:
-    explicit PanelView(DesktopCorona *corona, QWindow *parent = 0);
+    explicit PanelView(ShellCorona *corona, QWindow *parent = 0);
     virtual ~PanelView();
 
     virtual KConfigGroup config() const;
@@ -85,7 +85,7 @@ private:
     int m_minLength;
     Qt::Alignment m_alignment;
     QPointer<PanelConfigView> m_panelConfigView;
-    DesktopCorona *m_corona;
+    ShellCorona *m_corona;
 };
 
 #endif // PANELVIEW_H

qmlpackages/CMakeLists.txt

@@ -1,5 +1,6 @@
 
 plasma_install_package(desktop org.kde.desktop plasma/shells shell)
+plasma_install_package(blank org.kde.blank plasma/shells shell)
 plasma_install_package(lookandfeel org.kde.lookandfeel plasma/look-and-feel lookandfeel)
 
 add_subdirectory(wallpapers)

qmlpackages/blank/Messages.sh

@@ -0,0 +1,3 @@
+#! /usr/bin/env bash
+$XGETTEXT `find . -name \*.qml` -L Java -o $podir/plasma_shell_org.kde.desktop.pot
+rm -f rc.cpp

qmlpackages/blank/contents/applet/AppletError.qml

@@ -0,0 +1,45 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.components 2.0 as PlasmaComponents
+
+Row {
+    id: root
+
+    property alias reason: messageText.text
+
+    clip: true
+
+    PlasmaCore.IconItem {
+        id: icon
+        anchors.verticalCenter: parent
+        width: theme.hugeIconSize
+        height: width
+        source: "dialog-error"
+    }
+
+    PlasmaComponents.Label {
+        id: messageText
+        anchors.verticalCenter: parent
+        width: parent.width - icon.width
+        wrapMode: Text.Wrap
+    }
+}

qmlpackages/blank/contents/applet/CompactApplet.qml

@@ -0,0 +1,68 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import QtQuick.Window 2.0
+
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.components 2.0 as PlasmaComponents
+
+Item {
+    id: root
+
+    property Item applet
+    property Item compactRepresentation
+
+
+    onAppletChanged: {
+        applet.parent = appletParent
+        applet.anchors.fill = applet.parent
+    }
+    onCompactRepresentationChanged: {
+        compactRepresentation.parent = root
+        compactRepresentation.anchors.fill = root
+    }
+
+
+    PlasmaCore.Dialog {
+        id: popupWindow
+        //windowFlags: Qt.Popup
+        color: Qt.rgba(0,0,0,0)
+        visible: plasmoid.expanded
+        visualParent: root
+        mainItem: Item {
+            id: appletParent
+
+            width: applet && applet.implicitWidth > 0 ? applet.implicitWidth : theme.mSize(theme.defaultFont).width * 35
+            height: applet && applet.implicitHeight > 0 ? applet.implicitHeight : theme.mSize(theme.defaultFont).height * 25
+            onWidthChanged: applet.width = width
+            onHeightChanged: applet.height = height
+        }
+
+        onActiveWindowChanged: {
+            if (!activeWindow) {
+               // plasmoid.expanded = false
+            }
+        }
+        onVisibleChanged: {
+            if (!visible) {
+                plasmoid.expanded = false
+            }
+        }
+    }
+}

qmlpackages/blank/contents/applet/DefaultCompactRepresentation.qml

@@ -0,0 +1,36 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+
+import org.kde.plasma.core 2.0 as PlasmaCore
+
+PlasmaCore.IconItem {
+    id: icon
+
+    source: plasmoid.icon ? plasmoid.icon : "plasma"
+    active: mouseArea.containsMouse
+
+    MouseArea {
+        id: mouseArea
+
+        anchors.fill: parent
+        hoverEnabled: true
+        onClicked: plasmoid.expanded = !plasmoid.expanded
+    }
+}

qmlpackages/blank/contents/configuration/AppletConfiguration.qml

@@ -0,0 +1,237 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import QtQuick.Controls 1.0 as QtControls
+import QtQuick.Layouts 1.0
+import org.kde.plasma.configuration 2.0
+
+
+//TODO: all of this will be done with desktop components
+Rectangle {
+    id: root
+
+    property int _m: theme.defaultFont.pointSize
+
+//BEGIN properties
+    color: syspal.window
+    width: 640
+    height: 480
+//END properties
+
+//BEGIN model
+    property ConfigModel globalConfigModel:  globalAppletConfigModel
+
+    ConfigModel {
+        id: globalAppletConfigModel
+        ConfigCategory {
+            name: "Keyboard shortcuts"
+            icon: "preferences-desktop-keyboard"
+            source: "ConfigurationShortcuts.qml"
+        }
+    }
+//END model
+
+//BEGIN functions
+    function saveConfig() {
+        for (var key in plasmoid.configuration) {
+            if (main.currentPage["cfg_"+key] !== undefined) {
+                plasmoid.configuration[key] = main.currentPage["cfg_"+key]
+            }
+        }
+    }
+
+    function restoreConfig() {
+        for (var key in plasmoid.configuration) {
+            if (main.currentPage["cfg_"+key] !== undefined) {
+                main.currentPage["cfg_"+key] = plasmoid.configuration[key]
+            }
+        }
+    }
+//END functions
+
+
+//BEGIN connections
+    Component.onCompleted: {
+        if (configDialog.configModel && configDialog.configModel.count > 0) {
+            main.sourceFile = configDialog.configModel.get(0).source
+        } else {
+            main.sourceFile = globalConfigModel.get(0).source
+        }
+        root.restoreConfig()
+//         root.width = mainColumn.implicitWidth
+//         root.height = mainColumn.implicitHeight
+    }
+//END connections
+
+//BEGIN UI components
+    SystemPalette {id: syspal}
+
+    ColumnLayout {
+        id: mainColumn
+        anchors.fill: parent
+        property int implicitWidth: Math.max(contentRow.implicitWidth, buttonsRow.implicitWidth) + 8
+        property int implicitHeight: contentRow.implicitHeight + buttonsRow.implicitHeight + 8
+
+        RowLayout {
+            id: contentRow
+            anchors {
+                left: parent.left
+                right: parent.right
+            }
+            Layout.fillHeight: true
+            Layout.preferredHeight: parent.height - buttonsRow.height
+
+            QtControls.ScrollView{
+                id: categoriesScroll
+                frameVisible: true
+                anchors {
+                    top: parent.top
+                    bottom: parent.bottom
+                }
+                visible: (configDialog.configModel ? configDialog.configModel.count : 0) + globalConfigModel.count > 1
+                width: visible ? 100 : 0
+                implicitWidth: width
+                Flickable {
+                    id: categoriesView
+                    contentWidth: width
+                    contentHeight: childrenRect.height
+                    anchors.fill: parent
+
+                    property Item currentItem
+
+                    Rectangle {
+                        id: categories
+                        width: parent.width
+                        height: Math.max(categoriesView.height, categoriesColumn.height)
+                        color: syspal.base
+
+                        Rectangle {
+                            color: syspal.highlight
+                            width: parent.width
+                            height:  theme.iconSizes.IconSizeHuge
+                            y: index * height
+                            Behavior on y {
+                                NumberAnimation {
+                                    duration: 250
+                                    easing.type: "InOutQuad"
+                                }
+                            }
+                        }
+                        Column {
+                            id: categoriesColumn
+                            width: parent.width
+                            Repeater {
+                                model: configDialog.configModel
+                                delegate: ConfigCategoryDelegate {
+                                    onClicked: categoriesView.currentIndex = index
+
+                                }
+                            }
+                            Repeater {
+                                model: globalConfigModel
+                                delegate: ConfigCategoryDelegate {}
+                            }
+                        }
+                    }
+                }
+            }
+            QtControls.ScrollView{
+                id: pageScroll
+                anchors {
+                    top: parent.top
+                    bottom: parent.bottom
+                }
+                Layout.fillWidth: true
+                Flickable {
+                    contentWidth: width
+                    contentHeight: main.height
+                    Item {
+                        width: parent.width
+                        height: childrenRect.height
+                        QtControls.StackView {
+                            id: main
+                            anchors.fill: parent
+                            anchors.margins: 12
+                            property string sourceFile
+                            Timer {
+                                id: pageSizeSync
+                                interval: 100
+                                onTriggered: {
+//                                     root.width = mainColumn.implicitWidth
+//                                     root.height = mainColumn.implicitHeight
+                                }
+                            }
+                            onImplicitWidthChanged: pageSizeSync.restart()
+                            onImplicitHeightChanged: pageSizeSync.restart()
+                            onSourceFileChanged: {
+                                print("Source file changed in flickable" + sourceFile);
+                                replace(Qt.resolvedUrl(sourceFile))
+                                /*
+                                 * This is not needed on a desktop shell that has ok/apply/cancel buttons, i'll leave it here only for future reference until we have a prototype for the active shell.
+                                 * root.pageChanged will start a timer, that in turn will call saveConfig() when triggered
+
+                                for (var prop in currentPage) {
+                                    if (prop.indexOf("cfg_") === 0) {
+                                        currentPage[prop+"Changed"].connect(root.pageChanged)
+                                    }
+                                }*/
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        RowLayout {
+            id: buttonsRow
+            anchors {
+                right: parent.right
+                rightMargin: spacing
+            }
+            QtControls.Button {
+                iconSource: "dialog-ok"
+                text: "Ok"
+                onClicked: {
+                    if (main.currentPage.saveConfig !== undefined) {
+                        main.currentPage.saveConfig()
+                    } else {
+                        root.saveConfig()
+                    }
+                    configDialog.close()
+                }
+            }
+            QtControls.Button {
+                iconSource: "dialog-ok-apply"
+                text: "Apply"
+                onClicked: {
+                    if (main.currentPage.saveConfig !== undefined) {
+                        main.currentPage.saveConfig()
+                    } else {
+                        root.saveConfig()
+                    }
+                }
+            }
+            QtControls.Button {
+                iconSource: "dialog-cancel"
+                text: "Cancel"
+                onClicked: configDialog.close()
+            }
+        }
+    }
+//END UI components
+}

qmlpackages/blank/contents/configuration/ConfigCategoryDelegate.qml

@@ -0,0 +1,81 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import QtQuick.Controls 1.0 as QtControls
+import org.kde.plasma.core 2.0 as PlasmaCore
+
+MouseArea {
+    id: delegate
+
+    anchors {
+        left: parent.left
+        right: parent.right
+    }
+//BEGIN properties
+    width: childrenRect.width
+    height: childrenRect.height
+    property bool current: model.source == main.sourceFile
+//END properties
+
+//BEGIN connections
+    onClicked: {
+        print("model source: " + model.source + " " + main.sourceFile);
+        if (delegate.current) {
+            return
+        } else {
+            if (typeof(categoriesView.currentIndex) != "undefined") {
+                categoriesView.currentIndex = index;
+            }
+            main.sourceFile = model.source
+            root.restoreConfig()
+        }
+    }
+    onCurrentChanged: {
+        if (current) {
+            categoriesView.currentIndex = index
+        }
+    }
+//END connections
+
+//BEGIN UI components
+    Column {
+        spacing: 4
+        anchors {
+            left: parent.left
+            right: parent.right
+            topMargin: _m
+        }
+        PlasmaCore.IconItem {
+            anchors.horizontalCenter: parent.horizontalCenter
+            width: theme.IconSizeHuge
+            height: width
+            source: model.icon
+        }
+        QtControls.Label {
+            anchors {
+                left: parent.left
+                right: parent.right
+            }
+            text: model.name
+            wrapMode: Text.Wrap
+            horizontalAlignment: Text.AlignHCenter
+        }
+    }
+//END UI components
+}

qmlpackages/blank/contents/configuration/ConfigurationContainmentActions.qml

@@ -0,0 +1,30 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+
+
+Item {
+    implicitWidth: childrenRect.width
+    implicitHeight: childrenRect.height
+
+    PlasmaComponents.Label {
+        text: "Containment actions go here"
+    }
+}

qmlpackages/blank/contents/configuration/ConfigurationContainmentAppearance.qml

@@ -0,0 +1,133 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+import org.kde.plasma.configuration 2.0
+import QtQuick.Controls 1.0 as QtControls
+
+Column {
+    id: root
+
+    spacing: _m
+    PlasmaExtras.Title {
+        text: "Plugins"
+    }
+
+
+//BEGIN functions
+    function saveConfig() {
+        for (var key in configDialog.wallpaperConfiguration) {
+            if (main.currentPage["cfg_"+key] !== undefined) {
+                configDialog.wallpaperConfiguration[key] = main.currentPage["cfg_"+key]
+            }
+        }
+        configDialog.applyWallpaper()
+    }
+
+    function restoreConfig() {
+        for (var key in configDialog.wallpaperConfiguration) {
+            if (main.currentPage["cfg_"+key] !== undefined) {
+                main.currentPage["cfg_"+key] = configDialog.wallpaperConfiguration[key]
+            }
+        }
+    }
+//END functions
+
+    ListView {
+        id: categoriesView
+        anchors {
+            left: parent.left
+            right: parent.right
+        }
+        height: 100
+        orientation: ListView.Horizontal 
+
+        model: configDialog.wallpaperConfigModel
+        delegate: ConfigCategoryDelegate {
+            id: delegate
+            current: categoriesView.currentIndex == index
+            anchors {
+                top: parent.top
+                bottom: parent.bottom
+                left: undefined
+                right: undefined
+            }
+            width: 64
+            onClicked: {
+                configDialog.currentWallpaper = model.pluginName
+                if (categoriesView.currentIndex == index) {
+                    return
+                } else {
+                    categoriesView.currentIndex = index;
+                    main.sourceFile = model.source
+                    root.restoreConfig()
+                }
+            }
+            onCurrentChanged: {
+                categoriesView.currentIndex = index
+                if (current) {
+                    categoriesView.currentIndex = index
+                }
+            }
+            Component.onCompleted: {
+                if (configDialog.currentWallpaper == model.pluginName) {
+                    loadWallpaperTimer.pendingCurrent = model
+                    loadWallpaperTimer.restart()
+                }
+            }
+        }
+        highlight: Rectangle {
+            color: theme.highlightColor
+        }
+        Timer {
+            id: loadWallpaperTimer
+            interval: 100
+            property variant pendingCurrent
+            onTriggered: {
+                if (pendingCurrent) {
+                    categoriesView.currentIndex = pendingCurrent.index
+                    main.sourceFile = pendingCurrent.source
+                    root.restoreConfig()
+                }
+            }
+        }
+    }
+    PlasmaComponents.PageStack {
+        id: main
+        anchors {
+            left: categoriesView.left;
+            right: parent.right;
+        }
+        width: implicitWidth
+        height: implicitHeight
+        property string sourceFile
+        onSourceFileChanged: {
+            if (sourceFile != "") {
+                main.opacity = 1;
+                replace(Qt.resolvedUrl(sourceFile))
+                //main.width = mainColumn.implicitWidth
+                main.height = mainColumn.implicitHeight
+            } else {
+                main.opacity = 0
+            }
+        }
+        Behavior on opacity { NumberAnimation {} }
+    }
+}

qmlpackages/blank/contents/configuration/ConfigurationShortcuts.qml

@@ -0,0 +1,32 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+
+
+Item {
+    id: iconsPage
+    width: childrenRect.width
+    height: childrenRect.height
+
+    PlasmaComponents.Button {
+        iconSource: "settings"
+        text: "None"
+    }
+}

qmlpackages/blank/contents/configuration/ContainmentConfiguration.qml

@@ -0,0 +1,47 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.configuration 2.0
+
+
+AppletConfiguration {
+    id: root
+
+//BEGIN model
+    globalConfigModel: globalContainmentConfigModel
+
+    ConfigModel {
+        id: globalContainmentConfigModel
+        ConfigCategory {
+            name: "Appearance"
+            icon: "preferences-desktop-wallpaper"
+            source: "ConfigurationContainmentAppearance.qml"
+        }
+        ConfigCategory {
+            name: "Mouse Actions"
+            icon: "preferences-desktop-mouse"
+            source: "ConfigurationContainmentActions.qml"
+        }
+    }
+//END model
+
+}

qmlpackages/blank/contents/configuration/PanelConfiguration.qml

@@ -0,0 +1,186 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.configuration 2.0
+import org.kde.qtextracomponents 2.0 as QtExtras
+import "panelconfiguration"
+
+
+//TODO: all of this will be done with desktop components
+PlasmaCore.FrameSvgItem {
+    id: dialogRoot
+
+//BEGIN Properties
+    width: 640
+    height: 64
+    imagePath: "dialogs/background"
+
+    state: {
+        switch (panel.location) {
+        //TopEdge
+        case 3:
+            return "TopEdge"
+        //LeftEdge
+        case 5:
+            return "LeftEdge"
+        //RightEdge
+        case 6:
+            return "RightEdge"
+        //BottomEdge
+        case 4:
+        default:
+            return "BottomEdge"
+        }
+    }
+
+    property bool vertical: (panel.location == 5 || panel.location == 6)
+//END properties
+
+//BEGIN Connections
+    Connections {
+        target: panel
+        onOffsetChanged: ruler.offset = panel.offset
+        onMinimumLengthChanged: ruler.minimumLength = panel.minimumLength
+        onMaximumLengthChanged: ruler.maximumLength = panel.maximumLength
+    }
+//END Connections
+
+
+//BEGIN UI components
+
+    Ruler {
+        id: ruler
+        state: dialogRoot.state
+    }
+
+    ToolBar {
+        id: toolBar
+    }
+//END UI components
+
+//BEGIN Animations
+    //when EdgeHandle is released animate to old panel position
+    ParallelAnimation {
+        id: panelResetAnimation
+        NumberAnimation {
+            target: panel
+            properties: (panel.location == 5 || panel.location == 6) ? "x" : "y"
+            to:  {
+                switch (panel.location) {
+                //TopEdge
+                case 3:
+                    return 0
+                    break
+                //LeftEdge
+                case 5:
+                    return 0
+                    break;
+                //RightEdge
+                case 6:
+                    return panel.screenGeometry.x + panel.screenGeometry.width - panel.width
+                    break;
+                //BottomEdge
+                case 4:
+                default:
+                    return panel.screenGeometry.y + panel.screenGeometry.height - panel.height
+                }
+            }
+            duration: 150
+        }
+        NumberAnimation {
+            target: configDialog
+            properties: (panel.location == 5 || panel.location == 6) ? "x" : "y"
+            to: {
+            panel.height
+                switch (panel.location) {
+                //TopEdge
+                case 3:
+                    return panel.height
+                    break
+                //LeftEdge
+                case 5:
+                    return panel.width
+                    break;
+                //RightEdge
+                case 6:
+                    return panel.screenGeometry.x + panel.screenGeometry.width - panel.width - configDialog.width
+                    break;
+                //BottomEdge
+                case 4:
+                default:
+                    return panel.screenGeometry.y + panel.screenGeometry.height - panel.height - configDialog.height
+                }
+            }
+            duration: 150
+        }
+    }
+//END Animations
+
+//BEGIN States
+states: [
+        State {
+            name: "TopEdge"
+            PropertyChanges {
+                target: dialogRoot
+                enabledBorders: "TopBorder|BottomBorder"
+            }
+            PropertyChanges {
+                target: dialogRoot
+                implicitHeight: ruler.implicitHeight + toolBar.implicitHeight
+            }
+        },
+        State {
+            name: "BottomEdge"
+            PropertyChanges {
+                target: dialogRoot
+                enabledBorders: "TopBorder|BottomBorder"
+            }
+            PropertyChanges {
+                target: dialogRoot
+                implicitHeight: ruler.implicitHeight + toolBar.implicitHeight
+            }
+        },
+        State {
+            name: "LeftEdge"
+            PropertyChanges {
+                target: dialogRoot
+                enabledBorders: "LeftBorder|RightBorder"
+            }
+            PropertyChanges {
+                target: dialogRoot
+                implicitWidth: ruler.implicitWidth + toolBar.implicitWidth
+            }
+        },
+        State {
+            name: "RightEdge"
+            PropertyChanges {
+                target: dialogRoot
+                enabledBorders: "LeftBorder|RightBorder"
+            }
+            PropertyChanges {
+                target: dialogRoot
+                implicitWidth: ruler.implicitWidth + toolBar.implicitWidth
+            }
+        }
+    ]
+//END States
+}

qmlpackages/blank/contents/configuration/panelconfiguration/EdgeHandle.qml

@@ -0,0 +1,112 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.configuration 2.0
+import org.kde.qtextracomponents 2.0 as QtExtras
+
+PlasmaComponents.ToolButton {
+    flat: false
+    text: "Screen edge"
+
+    QtExtras.MouseEventListener {
+        anchors.fill: parent
+        property int lastX
+        property int lastY
+        property int startMouseX
+        property int startMouseY
+        onPressed: {
+            lastX = mouse.screenX
+            lastY = mouse.screenY
+            startMouseX = mouse.x
+            startMouseY = mouse.y
+        }
+        onPositionChanged: {
+            switch (panel.location) {
+            //TopEdge
+            case 3:
+                configDialog.y = mouse.screenY - mapToItem(dialogRoot, 0, startMouseY).y
+                panel.y = configDialog.y - panel.height
+                break
+            //LeftEdge
+            case 5:
+                configDialog.x = mouse.screenX - mapToItem(dialogRoot, startMouseX, 0).x
+                panel.x = configDialog.x - panel.width
+                break;
+            //RightEdge
+            case 6:
+                configDialog.x = mouse.screenX - mapToItem(dialogRoot, startMouseX, 0).x
+                panel.x = configDialog.x + configDialog.width
+                break;
+            //BottomEdge
+            case 4:
+            default:
+                configDialog.y = mouse.screenY - mapToItem(dialogRoot, 0, startMouseY).y
+                panel.y = configDialog.y + configDialog.height
+            }
+
+            lastX = mouse.screenX
+            lastY = mouse.screenY
+
+            var screenAspect = panel.screenGeometry.height / panel.screenGeometry.width
+            var newLocation = panel.location
+
+            //If the mouse is in an internal rectangle, do nothing
+            if ((mouse.screenX > panel.screenGeometry.x + panel.screenGeometry.width/3 &&
+                 mouse.screenX < panel.screenGeometry.x + panel.screenGeometry.width/3*2) &&
+                (mouse.screenY > panel.screenGeometry.y + panel.screenGeometry.height/3 &&
+                 mouse.screenY < panel.screenGeometry.y + panel.screenGeometry.height/3*2)) {
+                return;
+            }
+
+
+            if (mouse.screenY < panel.screenGeometry.y+(mouse.screenX-panel.screenGeometry.x)*screenAspect) {
+                if (mouse.screenY < panel.screenGeometry.y + panel.screenGeometry.height-(mouse.screenX-panel.screenGeometry.x)*screenAspect) {
+                    if (panel.location == 3) {
+                        return;
+                    } else {
+                        newLocation = 3; //FIXME: Plasma::TopEdge;
+                    }
+                } else if (panel.location == 6) {
+                        return;
+                } else {
+                    newLocation = 6; //FIXME: Plasma::RightEdge;
+                }
+
+            } else {
+                if (mouse.screenY < panel.screenGeometry.y + panel.screenGeometry.height-(mouse.screenX-panel.screenGeometry.x)*screenAspect) {
+                    if (panel.location == 5) {
+                        return;
+                    } else {
+                        newLocation = 5; //FIXME: Plasma::LeftEdge;
+                    }
+                } else if(panel.location == 4) {
+                return;
+                } else {
+                    newLocation = 4; //FIXME: Plasma::BottomEdge;
+                }
+            }
+            panel.location = newLocation
+            print("New Location: " + newLocation);
+        }
+        onReleased: panelResetAnimation.running = true
+    }
+}

qmlpackages/blank/contents/configuration/panelconfiguration/Ruler.qml

@@ -0,0 +1,352 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.configuration 2.0
+import org.kde.qtextracomponents 2.0 as QtExtras
+
+
+PlasmaCore.FrameSvgItem {
+    id: root
+
+    property alias offset: offsetHandle.value
+    property alias minimumLength: minimumLengthHandle.value
+    property alias maximumLength: maximumLengthHandle.value
+
+    imagePath: "widgets/containment-controls"
+    state: "BottomEdge"
+    implicitWidth: offsetHandle.width + minimumLengthHandle.width
+    implicitHeight: offsetHandle.height + minimumLengthHandle.height
+
+    onMinimumLengthChanged: leftMinimumLengthHandle.value = minimumLength
+    onMaximumLengthChanged: leftMaximumLengthHandle.value = maximumLength
+
+    Component.onCompleted: {
+        offsetHandle.value = panel.offset
+        minimumLengthHandle.value = panel.minimumLength
+        maximumLengthHandle.value = panel.maximumLength
+        leftMinimumLengthHandle.value = panel.minimumLength
+        leftMaximumLengthHandle.value = panel.maximumLength
+    }
+
+    PlasmaCore.Svg {
+        id: containmentControlsSvg
+        imagePath: "widgets/containment-controls"
+    }
+    PlasmaCore.SvgItem {
+        id: centerMark
+        svg: containmentControlsSvg
+        elementId: dialogRoot.vertical ? "vertical-centerindicator" : "horizontal-centerindicator"
+        visible: panel.alignment == Qt.AlignCenter
+        width: dialogRoot.vertical ? parent.width : naturalSize.width
+        height: dialogRoot.vertical ? naturalSize.height : parent.height
+        anchors.centerIn: parent
+    }
+
+    SliderHandle {
+        id: offsetHandle
+        graphicElementName: "offsetslider"
+        onValueChanged: panel.offset = value
+    }
+    SliderHandle {
+        id: minimumLengthHandle
+        alignment: panel.alignment | Qt.AlignLeft
+        visible: panel.alignment != Qt.AlignRight
+        offset: panel.offset
+        graphicElementName: "minslider"
+        onValueChanged: panel.minimumLength = value
+    }
+    SliderHandle {
+        id: maximumLengthHandle
+        alignment: panel.alignment | Qt.AlignLeft
+        visible: panel.alignment != Qt.AlignRight
+        offset: panel.offset
+        graphicElementName: "maxslider"
+        onValueChanged: panel.maximumLength = value
+    }
+    SliderHandle {
+        id: leftMinimumLengthHandle
+        alignment: panel.alignment | Qt.AlignRight
+        visible: panel.alignment != Qt.AlignLeft
+        offset: panel.offset
+        graphicElementName: "maxslider"
+        onValueChanged: panel.minimumLength = value
+    }
+    SliderHandle {
+        id: leftMaximumLengthHandle
+        alignment: panel.alignment | Qt.AlignRight
+        visible: panel.alignment != Qt.AlignLeft
+        offset: panel.offset
+        graphicElementName: "minslider"
+        onValueChanged: panel.maximumLength = value
+    }
+
+    states: [
+        State {
+            name: "TopEdge"
+            PropertyChanges {
+                target: root
+                prefix: "north"
+                height: root.implicitHeight
+            }
+            AnchorChanges {
+                target: root
+                anchors {
+                    top: root.parent.top
+                    bottom: undefined
+                    left: root.parent.left
+                    right: root.parent.right
+                }
+            }
+            AnchorChanges {
+                target: offsetHandle
+                anchors {
+                    top: undefined
+                    bottom: root.bottom
+                    left: undefined
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: minimumLengthHandle
+                anchors {
+                    top: root.top
+                    bottom: undefined
+                    left: undefined
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: maximumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: root.bottom
+                    left: undefined
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: leftMinimumLengthHandle
+                anchors {
+                    top: root.top
+                    bottom: undefined
+                    left: undefined
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: leftMaximumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: root.bottom
+                    left: undefined
+                    right: undefined
+                }
+            }
+        },
+        State {
+            name: "BottomEdge"
+            PropertyChanges {
+                target: root
+                prefix: "south"
+                height: root.implicitHeight
+            }
+            AnchorChanges {
+                target: root
+                anchors {
+                    top: undefined
+                    bottom: root.parent.bottom
+                    left: root.parent.left
+                    right: root.parent.right
+                }
+            }
+            AnchorChanges {
+                target: offsetHandle
+                anchors {
+                    top: root.top
+                    bottom: undefined
+                    left: undefined
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: minimumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: root.bottom
+                    left: undefined
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: maximumLengthHandle
+                anchors {
+                    top: root.top
+                    bottom: undefined
+                    left: undefined
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: leftMinimumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: root.bottom
+                    left: undefined
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: leftMaximumLengthHandle
+                anchors {
+                    top: root.top
+                    bottom: undefined
+                    left: undefined
+                    right: undefined
+                }
+            }
+        },
+        State {
+            name: "LeftEdge"
+            PropertyChanges {
+                target: root
+                prefix: "west"
+                width: root.implicitWidth
+            }
+            AnchorChanges {
+                target: root
+                anchors {
+                    top: root.parent.top
+                    bottom: root.parent.bottom
+                    left: root.parent.left
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: offsetHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: undefined
+                    right: root.right
+                }
+            }
+            AnchorChanges {
+                target: minimumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: root.left
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: maximumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: undefined
+                    right: root.right
+                }
+            }
+            AnchorChanges {
+                target: leftMinimumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: root.left
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: leftMaximumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: undefined
+                    right: root.right
+                }
+            }
+        },
+        State {
+            name: "RightEdge"
+            PropertyChanges {
+                target: root
+                prefix: "east"
+                width: root.implicitWidth
+            }
+            AnchorChanges {
+                target: root
+                anchors {
+                    top: root.parent.top
+                    bottom: root.parent.bottom
+                    left: undefined
+                    right: root.parent.right
+                }
+            }
+            AnchorChanges {
+                target: offsetHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: parent.left
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: minimumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: undefined
+                    right: parent.right
+                }
+            }
+            AnchorChanges {
+                target: maximumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: parent.left
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: leftMinimumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: undefined
+                    right: parent.right
+                }
+            }
+            AnchorChanges {
+                target: leftMaximumLengthHandle
+                anchors {
+                    top: undefined
+                    bottom: undefined
+                    left: parent.left
+                    right: undefined
+                }
+            }
+        }
+    ]
+}

qmlpackages/blank/contents/configuration/panelconfiguration/SizeHandle.qml

@@ -0,0 +1,62 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.configuration 2.0
+import org.kde.qtextracomponents 2.0 as QtExtras
+
+PlasmaComponents.ToolButton {
+    flat: false
+    text: "Height"
+    QtExtras.MouseEventListener {
+        anchors.fill: parent
+        property int startMouseX
+        property int startMouseY
+        onPressed: {
+            startMouseX = mouse.x
+            startMouseY = mouse.y
+        }
+        onPositionChanged: {
+            switch (panel.location) {
+            //TopEdge
+            case 3:
+                configDialog.y = mouse.screenY - mapToItem(dialogRoot, 0, startMouseY).y
+                panel.thickness = configDialog.y - panel.y
+                break;
+            //LeftEdge
+            case 5:
+                configDialog.x = mouse.screenX - mapToItem(dialogRoot, startMouseX, 0).x
+                panel.thickness = configDialog.x - panel.x
+                break;
+            //RightEdge
+            case 6:
+                configDialog.x = mouse.screenX - mapToItem(dialogRoot, startMouseX, 0).x
+                panel.thickness = (panel.x + panel.width) - (configDialog.x + configDialog.width)
+                break;
+            //BottomEdge
+            case 4:
+            default:
+                configDialog.y = mouse.screenY - mapToItem(dialogRoot, 0, startMouseY).y
+                panel.thickness = (panel.y + panel.height) - (configDialog.y + configDialog.height)
+            }
+        }
+    }
+}

qmlpackages/blank/contents/configuration/panelconfiguration/SliderHandle.qml

@@ -0,0 +1,166 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.configuration 2.0
+import org.kde.qtextracomponents 2.0 as QtExtras
+
+
+PlasmaCore.SvgItem {
+    id: root
+    svg: containmentControlsSvg
+    state: parent.state
+    width: naturalSize.width
+    height: naturalSize.height
+
+    //value expressed by this slider
+    property int value
+    //name of the graphics to load
+    property string graphicElementName
+    //where the point "0" is
+    property int offset: 0
+    //handle type: behave in different ways based on the alignment
+    property int alignment: panel.alignment
+
+    function syncPos() {
+        if (dialogRoot.vertical) {
+            if (alignment == Qt.AlignRight) {
+                y = root.parent.height - (value + offset + root.height/2)
+            } else if (alignment == Qt.AlignLeft) {
+                y = value + offset - root.height/2
+            } else {
+                if (root.alignment & Qt.AlignRight) {
+                    y = root.parent.height/2 - value/2 - offset + root.height/2
+                } else if (root.alignment & Qt.AlignLeft) {
+                    y = root.parent.height/2 + value/2 + offset - root.height/2
+                } else {
+                    y = root.parent.height/2 + value + offset -root.height/2
+                }
+            }
+        } else {
+            if (alignment == Qt.AlignRight) {
+                x = root.parent.width - (value + offset + root.width/2)
+            } else if (alignment == Qt.AlignLeft) {
+                x = value + offset - root.width/2
+            } else {
+                if (root.alignment & Qt.AlignRight) {
+                    x = root.parent.width/2 - value/2 + offset - root.width/2
+                } else if (root.alignment & Qt.AlignLeft) {
+                    x = root.parent.width/2 + value/2 + offset -root.width/2
+                } else {
+                    x = root.parent.width/2 + value + offset -root.width/2
+                }
+            }
+        }
+    }
+    onValueChanged: syncPos()
+    onOffsetChanged: syncPos()
+    onAlignmentChanged: syncPos()
+    Connections {
+        target: root.parent
+        onWidthChanged: syncPos()
+        onHeightChanged: syncPos()
+    }
+
+    MouseArea {
+        drag {
+            target: parent
+            axis: (dialogRoot.vertical) ? Drag.YAxis : Drag.XAxis
+        }
+        anchors.fill: parent
+        onPositionChanged: {
+            if (dialogRoot.vertical) {
+                if (root.alignment == Qt.AlignRight) {
+                    root.value = root.parent.height - (parent.y + offset + root.height/2)
+                } else if (alignment == Qt.AlignLeft) {
+                    root.value = parent.y - offset + root.height/2
+                //Center
+                } else {
+                    if (root.alignment & Qt.AlignRight) {
+                        root.value = (root.parent.height/2 - parent.y + offset)*2  + root.height/2
+                    } else if (root.alignment & Qt.AlignLeft) {
+                        root.value = (parent.y - offset - root.parent.height/2)*2  + root.height/2
+                    } else {
+                        var value = parent.y - root.parent.height/2 - offset + root.height/2
+                        //Snap
+                        if (Math.abs(value) < 5) {
+                            root.value = 0
+                        } else {
+                            root.value = value
+                        }
+                    }
+                }
+            } else {
+                if (root.alignment == Qt.AlignRight) {
+                    root.value = root.parent.width - (parent.x + offset + root.width/2)
+                } else if (alignment == Qt.AlignLeft) {
+                    root.value = parent.x - offset + root.width/2
+                //Center
+                } else {
+                    if (root.alignment & Qt.AlignRight) {
+                        root.value = (root.parent.width/2 - parent.x + offset)*2  + root.width/2
+                    } else if (root.alignment & Qt.AlignLeft) {
+                        root.value = (parent.x - offset - root.parent.width/2)*2  + root.width/2
+                    } else {
+                        var value = parent.x - root.parent.width/2 - offset + root.width/2
+                        //Snap
+                        if (Math.abs(value) < 5) {
+                            root.value = 0
+                        } else {
+                            root.value = value
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    states: [
+        State {
+            name: "TopEdge"
+            PropertyChanges {
+                target: root
+                elementId: "north-" + graphicElementName
+            }
+        },
+        State {
+            name: "BottomEdge"
+            PropertyChanges {
+                target: root
+                elementId: "south-" + graphicElementName
+            }
+        },
+        State {
+            name: "LeftEdge"
+            PropertyChanges {
+                target: root
+                elementId: "west-" + graphicElementName
+            }
+        },
+        State {
+            name: "RightEdge"
+            PropertyChanges {
+                target: root
+                elementId: "east-" + graphicElementName
+            }
+        }
+    ]
+}

qmlpackages/blank/contents/configuration/panelconfiguration/ToolBar.qml

@@ -0,0 +1,232 @@
+/*
+ *  Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.configuration 2.0
+
+Item {
+    id: root
+    state: parent.state
+    implicitWidth: childrenRect.width + 20
+    implicitHeight: childrenRect.height + 20
+    PlasmaComponents.ButtonRow {
+        id: row
+        spacing: 0
+        exclusive: false
+        visible: !dialogRoot.vertical
+        anchors {
+            centerIn: parent
+        }
+        EdgeHandle {
+            id: edgeHandle
+        }
+        SizeHandle {
+            id: sizeHandle
+        }
+    }
+    //FIXME: remove this duplication, use desktopcomponents linear layouts that can switch between horizontal and vertical
+    PlasmaComponents.ButtonColumn {
+        id: column
+        spacing: 0
+        exclusive: false
+        visible: dialogRoot.vertical
+        anchors {
+            centerIn: parent
+        }
+        EdgeHandle {
+            width: 80
+        }
+        SizeHandle {
+            width: 80
+        }
+    }
+
+    PlasmaComponents.Button {
+        id: moreSettingsButton
+        property QtObject contextMenu
+        text: "More settings"
+        onClicked: {
+            if (!contextMenu) {
+                contextMenu = contextMenuComponent.createObject(moreSettingsButton)
+            }
+            contextMenu.open()
+        }
+    }
+
+    Component {
+        id: contextMenuComponent
+        PlasmaComponents.ContextMenu {
+            visualParent: moreSettingsButton
+            PlasmaComponents.MenuItem {
+                id: leftToggle
+                text: "Left"
+                checkable: true
+                checked: panel.alignment == Qt.AlignLeft
+                onClicked: panel.alignment = Qt.AlignLeft
+                onToggled: {
+                    if (checked) {
+                        centerToggle.checked = false
+                        rightToggle.checked = false
+                    }
+                }
+            }
+            PlasmaComponents.MenuItem {
+                id: centerToggle
+                text: "Center"
+                checkable: true
+                checked: panel.alignment == Qt.AlignCenter
+                onClicked: panel.alignment = Qt.AlignCenter
+                onToggled: {
+                    if (checked) {
+                        leftToggle.checked = false
+                        rightToggle.checked = false
+                    }
+                }
+            }
+            PlasmaComponents.MenuItem {
+                id: rightToggle
+                text: "Right"
+                checkable: true
+                checked: panel.alignment == Qt.AlignRight
+                onClicked: panel.alignment = Qt.AlignRight
+                onToggled: {
+                    if (checked) {
+                        centerToggle.checked = false
+                        leftToggle.checked = false
+                    }
+                }
+            }
+        }
+    }
+
+//BEGIN States
+    states: [
+        State {
+            name: "TopEdge"
+            PropertyChanges {
+                target: root
+                height: root.implicitHeight
+            }
+            AnchorChanges {
+                target: root
+                anchors {
+                    top: undefined
+                    bottom: root.parent.bottom
+                    left: root.parent.left
+                    right: root.parent.right
+                }
+            }
+            AnchorChanges {
+                target: moreSettingsButton
+                anchors {
+                    verticalCenter: root.verticalCenter
+                    horizontalCenter: undefined
+                    top: undefined
+                    bottom: undefined
+                    left: undefined
+                    right: root.right
+                }
+            }
+        },
+        State {
+            name: "BottomEdge"
+            PropertyChanges {
+                target: root
+                height: root.implicitHeight
+            }
+            AnchorChanges {
+                target: root
+                anchors {
+                    top: root.parent.top
+                    bottom: undefined
+                    left: root.parent.left
+                    right: root.parent.right
+                }
+            }
+            AnchorChanges {
+                target: moreSettingsButton
+                anchors {
+                    verticalCenter: root.verticalCenter
+                    horizontalCenter: undefined
+                    top: undefined
+                    bottom: undefined
+                    left: undefined
+                    right: root.right
+                }
+            }
+        },
+        State {
+            name: "LeftEdge"
+            PropertyChanges {
+                target: root
+                width: root.implicitWidth
+            }
+            AnchorChanges {
+                target: root
+                anchors {
+                    top: root.parent.top
+                    bottom: root.parent.bottom
+                    left: undefined
+                    right: root.parent.right
+                }
+            }
+            AnchorChanges {
+                target: moreSettingsButton
+                anchors {
+                    verticalCenter: undefined
+                    horizontalCenter: root.verticalCenter
+                    top: undefined
+                    bottom: root.bottom
+                    left: undefined
+                    right: undefined
+                }
+            }
+        },
+        State {
+            name: "RightEdge"
+            PropertyChanges {
+                target: root
+                width: root.implicitWidth
+            }
+            AnchorChanges {
+                target: root
+                anchors {
+                    top: root.parent.top
+                    bottom: root.parent.bottom
+                    left: root.parent.left
+                    right: undefined
+                }
+            }
+            AnchorChanges {
+                target: moreSettingsButton
+                anchors {
+                    verticalCenter: undefined
+                    horizontalCenter: root.verticalCenter
+                    top: undefined
+                    bottom: root.bottom
+                    left: undefined
+                    right: undefined
+                }
+            }
+        }
+    ]
+//END States
+}

qmlpackages/blank/contents/defaults

@@ -0,0 +1,17 @@
+[Desktop]
+Containment=org.kde.desktop
+ToolBox=org.kde.toolbox
+RuntimePlatform=
+
+[Desktop][ContainmentActions]
+Ctrl;LeftButton=org.kde.standardmenu
+MiddleButton=org.kde.paste
+ 
+[Panel]
+Containment=org.kde.panel
+ToolBox=org.kde.paneltoolbox
+[Panel][ContainmentActions]
+Ctrl;LeftButton=org.kde.standardmenu
+
+[Theme]
+Theme=default

qmlpackages/blank/contents/explorer/AppletDelegate.qml

@@ -0,0 +1,197 @@
+/*
+ *   Copyright 2011 Marco Martin <mart@kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2 or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.draganddrop 2.0
+import org.kde.qtextracomponents 2.0
+
+PlasmaCore.FrameSvgItem {
+    id: background
+    width: list.delegateWidth
+    height: list.delegateHeight
+
+    property variant icon: decoration
+    property string title: name
+    property string description: model.description
+    property string author: model.author
+    property string email: model.email
+    property string license: model.license
+    property string pluginName: model.pluginName
+    property bool local: model.local
+
+    ListView.onRemove: SequentialAnimation {
+        PropertyAction {
+            target: background
+            property: "ListView.delayRemove"
+            value: true
+        }
+        NumberAnimation {
+            target: background
+            property: widgetExplorer.orientation == Qt.Horizontal ? "y" : "x"
+            to: widgetExplorer.orientation == Qt.Horizontal ? list.delegateHeight : list.delegateWidth
+            duration: 150
+            easing.type: Easing.InOutQuad
+        }
+        NumberAnimation {
+            target: background
+            property: widgetExplorer.orientation == Qt.Horizontal ? "y" : "x"
+            to: widgetExplorer.orientation == Qt.Horizontal ? list.delegateHeight : list.delegateWidth
+            duration: 150
+            easing.type: Easing.InOutQuad
+        }
+        NumberAnimation {
+            target: background
+            property: widgetExplorer.orientation == Qt.Horizontal ? "width" : "height"
+            from: widgetExplorer.orientation == Qt.Horizontal ? list.delegateWidth : list.delegateHeight
+            to: 0
+            duration: 150
+            easing.type: Easing.InOutQuad
+        }
+        PropertyAction {
+            target: background
+            property: "ListView.delayRemove"
+            value: false
+        }
+    }
+
+    ListView.onAdd: SequentialAnimation {
+        PropertyAction {
+            target: background
+            property: "y"
+            value: widgetExplorer.orientation == Qt.Horizontal ? -list.delegateHeight : -list.delegateWidth
+        }
+        NumberAnimation {
+            target: background
+            property: widgetExplorer.orientation == Qt.Horizontal ? "width" : "height"
+            from: 0
+            to: widgetExplorer.orientation == Qt.Horizontal ? list.delegateWidth : list.delegateHeight
+            duration: 150
+            easing.type: Easing.InOutQuad
+        }
+        NumberAnimation {
+            target: background
+            property: widgetExplorer.orientation == Qt.Horizontal ? "y" : "x"
+            to: 0
+            duration: 150
+            easing.type: Easing.InOutQuad
+        }
+    }
+
+
+    imagePath: "widgets/viewitem"
+    prefix: "normal"
+
+    DragArea {
+        anchors.fill: parent
+        supportedActions: Qt.MoveAction | Qt.LinkAction
+        onDragStarted: tooltipDialog.visible = false
+        delegateImage: background.icon
+        mimeData {
+            source: parent
+        }
+        Component.onCompleted: mimeData.setData("text/x-plasmoidservicename", pluginName)
+
+        QIconItem {
+                id: iconWidget
+                anchors.verticalCenter: parent.verticalCenter
+                x: y
+                width: theme.hugeIconSize
+                height: width
+                icon: background.icon
+            }
+        Column {
+            anchors {
+                left: iconWidget.right
+                right: parent.right
+                verticalCenter: parent.verticalCenter
+
+                leftMargin: background.margins.left
+                rightMargin: background.margins.right
+            }
+            spacing: 4
+            PlasmaExtras.Heading {
+                id: titleText
+                level: 4
+                text: title
+//                 font {
+//                     weight: Font.Bold
+//                     pointSize: theme.smallestFont.pointSize
+//                 }
+                anchors {
+                    left: parent.left
+                    right: parent.right
+                }
+                height: paintedHeight
+                wrapMode: Text.WordWrap
+                //go with nowrap only if there is a single word too long
+                onPaintedWidthChanged: {
+                    wrapTimer.restart()
+                }
+                Timer {
+                    id: wrapTimer
+                    interval: 200
+                    onTriggered: {
+                        //give it some pixels of tolerance
+                        if (titleText.paintedWidth > titleText.width + 3) {
+                            titleText.wrapMode = Text.NoWrap
+                            titleText.elide = Text.ElideRight
+                        } else {
+                            titleText.wrapMode = Text.WordWrap
+                            titleText.elide = Text.ElideNone
+                        }
+                    }
+                }
+            }
+            PlasmaComponents.Label {
+                text: description
+                font.pointSize: theme.smallestFont.pointSize
+                anchors {
+                    left: parent.left
+                    right: parent.right
+                }
+                //elide: Text.ElideRight
+                wrapMode: Text.WordWrap
+                verticalAlignment: Text.AlignTop
+                maximumLineCount: 3
+            }
+        }
+        QIconItem {
+            icon: running ? "dialog-ok-apply" : undefined
+            visible: running
+            width: theme.smallIconSize
+            height: width
+            anchors {
+                right: parent.right
+                bottom: parent.bottom
+                rightMargin: background.margins.right
+                bottomMargin: background.margins.bottom
+            }
+        }
+        MouseArea {
+            anchors.fill: parent
+            hoverEnabled: true
+            onDoubleClicked: widgetExplorer.addApplet(pluginName)
+            onEntered: tooltipDialog.appletDelegate = background
+            onExited: tooltipDialog.appletDelegate = null
+        }
+    }
+}

qmlpackages/blank/contents/explorer/SimpleWidgetExplorer.qml

@@ -0,0 +1,51 @@
+/*
+ *  Copyright 2013 Sebastian Kügler <sebas@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+//import org.kde.plasma.core 2.0 as PlasmaCore
+//import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.extras 2.0 as PlasmaExtras
+
+
+Rectangle {
+    id: root
+    color: "pink"
+    width: 400
+    height: 800
+
+    ListView {
+        anchors.fill: parent
+        model: widgetExplorer.widgetsModel
+        header: PlasmaExtras.Title { text: "Add Widgets" }
+        delegate: Item {
+            width: parent.width
+            height: 48
+            Text { text: "Applet: " + pluginName }
+
+            MouseArea {
+                anchors.fill: parent
+                onClicked: widgetExplorer.addApplet(pluginName)
+            }
+        }
+    }
+
+    Component.onCompleted: {
+        print("WidgetExplorer QML loaded");
+        print(" found " + widgetExplorer.widgetsModel.count + " widgets");
+    }
+}

qmlpackages/blank/contents/explorer/Tooltip.qml

@@ -0,0 +1,142 @@
+/*
+ *   Copyright 2011 Marco Martin <mart@kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2 or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.qtextracomponents 2.0
+
+MouseArea {
+    id: main
+
+    hoverEnabled: true
+    onEntered: toolTipHideTimer.running = false
+    onExited: toolTipHideTimer.running = true
+
+    width: childrenRect.width
+    height: 200
+
+    property variant icon
+    property string title
+    property string description
+    property string author
+    property string email
+    property string license
+    property string pluginName
+    property bool local
+
+    onClicked: tooltipDialog.visible = false
+    Connections {
+        target: tooltipDialog
+        onAppletDelegateChanged: {
+            if (!tooltipDialog.appletDelegate) {
+                return
+            }
+            icon = tooltipDialog.appletDelegate.icon
+            title = tooltipDialog.appletDelegate.title
+            description = tooltipDialog.appletDelegate.description
+            author = tooltipDialog.appletDelegate.author
+            email = tooltipDialog.appletDelegate.email
+            license = tooltipDialog.appletDelegate.license
+            pluginName = tooltipDialog.appletDelegate.pluginName
+            local = tooltipDialog.appletDelegate.local
+        }
+    }
+    QIconItem {
+        id: tooltipIconWidget
+        anchors.left: parent.left
+        anchors.top: parent.top
+        width: theme.hugeIconSize
+        height: width
+        icon: main.icon
+    }
+    Column {
+        id: nameColumn
+        spacing: 8
+        anchors {
+            left: tooltipIconWidget.right
+            leftMargin: 8
+            top: parent.top
+            right: parent.right
+        }
+
+        PlasmaComponents.Label {
+            text: title
+            font.bold:true
+            anchors.left: parent.left
+            anchors.right: parent.right
+            height: paintedHeight
+            wrapMode: Text.Wrap
+        }
+        PlasmaComponents.Label {
+            text: description
+            anchors.left: parent.left
+            anchors.right: parent.right
+            wrapMode: Text.Wrap
+        }
+    }
+    Grid {
+        anchors.top: tooltipIconWidget.bottom
+        anchors.topMargin: 16
+        anchors.bottom: uninstallButton.top
+        anchors.bottomMargin: 4
+        rows: 3
+        columns: 2
+        spacing: 4
+        PlasmaComponents.Label {
+            text: i18n("License:")
+        }
+        PlasmaComponents.Label {
+            id: licenseText
+            text: license
+            wrapMode: Text.Wrap
+        }
+        PlasmaComponents.Label {
+            text: i18n("Author:")
+        }
+        PlasmaComponents.Label {
+            text: author
+            wrapMode: Text.Wrap
+        }
+        PlasmaComponents.Label {
+            text: i18n("Email:")
+        }
+        PlasmaComponents.Label {
+            text: email
+        }
+    }
+
+    PlasmaComponents.Button {
+        id: uninstallButton
+        anchors {
+            horizontalCenter: parent.horizontalCenter
+            bottom: parent.bottom
+        }
+        opacity: local ? 1 : 0
+        Behavior on opacity {
+            NumberAnimation { duration: 250 }
+        }
+        iconSource: "application-exit"
+        text: i18n("Uninstall")
+        onClicked: {
+            widgetExplorer.uninstall(pluginName)
+            tooltipDialog.visible = false
+        }
+    }
+}

qmlpackages/blank/contents/explorer/WidgetExplorer.qml

@@ -0,0 +1,378 @@
+/*
+ *   Copyright 2011 Marco Martin <mart@kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2 or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+import QtQuick 2.0
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.qtextracomponents 2.0
+
+Item {
+    id: main
+
+    width: 240
+    height: 800
+    //this is used to perfectly align the filter field and delegates
+    property int cellWidth: theme.defaultFont.pixelSize * 20
+
+    PlasmaCore.FrameSvgItem {
+        imagePath: "dialogs/background"
+        anchors.fill: parent
+        anchors.margins: margins
+        //color: "orange"
+        //opacity: 0.3
+    }
+
+    property int minimumWidth: cellWidth + (
+        widgetExplorer.orientation == Qt.Horizontal
+        ? 0
+        : (scrollBar.width + 4 * 2) // 4 * 2 == left and right margins
+        )
+    property int minimumHeight: topBar.height + list.delegateHeight + (widgetExplorer.orientation == Qt.Horizontal ? scrollBar.height : 0) + 4
+
+    property Item getWidgetsButton
+    property Item categoryButton
+
+    function i18n(inp) { return inp; }
+
+    PlasmaComponents.ContextMenu {
+        id: categoriesDialog
+        visualParent: main.categoryButton
+    }
+    Repeater {
+        parent: categoriesDialog
+        model: widgetExplorer.filterModel
+        delegate: PlasmaComponents.MenuItem {
+            text: display
+            separator: model["separator"] != undefined ? model["separator"] : false
+            onClicked: {
+                list.contentX = 0
+                list.contentY = 0
+                main.categoryButton.text = display
+                widgetExplorer.widgetsModel.filterQuery = model["filterData"]
+                widgetExplorer.widgetsModel.filterType = model["filterType"]
+            }
+            Component.onCompleted: {
+                parent = categoriesDialog
+            }
+        }
+    }
+
+    PlasmaComponents.ContextMenu {
+        id: getWidgetsDialog
+        visualParent: main.getWidgetsButton
+    }
+    Repeater {
+        parent: getWidgetsDialog
+        model: widgetExplorer.widgetsMenuActions
+        delegate: PlasmaComponents.MenuItem {
+            icon: modelData.icon
+            text: modelData.text
+            separator: modelData.separator
+            onClicked: modelData.trigger()
+            Component.onCompleted: {
+                parent = getWidgetsDialog
+            }
+        }
+    }
+
+    PlasmaCore.Dialog {
+        id: tooltipDialog
+        property Item appletDelegate
+
+        Component.onCompleted: {
+            tooltipDialog.setAttribute(Qt.WA_X11NetWmWindowTypeToolTip, true)
+            tooltipDialog.windowFlags = Qt.Window|Qt.WindowStaysOnTopHint|Qt.X11BypassWindowManagerHint
+        }
+
+        onAppletDelegateChanged: {
+            if (!appletDelegate) {
+                toolTipHideTimer.restart()
+                toolTipShowTimer.running = false
+            } else if (tooltipDialog.visible) {
+                var point = main.tooltipPosition()
+                tooltipDialog.x = point.x
+                tooltipDialog.y = point.y
+            } else {
+                toolTipShowTimer.restart()
+                toolTipHideTimer.running = false
+            }
+        }
+        mainItem: Tooltip { id: tooltipWidget }
+        Behavior on x {
+            enabled: widgetExplorer.orientation == Qt.Horizontal
+            NumberAnimation { duration: 250 }
+        }
+        Behavior on y {
+            enabled: widgetExplorer.orientation == Qt.Vertical
+            NumberAnimation { duration: 250 }
+        }
+    }
+    Timer {
+        id: toolTipShowTimer
+        interval: 500
+        repeat: false
+        onTriggered: {
+            var point = main.tooltipPosition()
+            tooltipDialog.x = point.x
+            tooltipDialog.y = point.y
+            tooltipDialog.visible = true
+        }
+    }
+    Timer {
+        id: toolTipHideTimer
+        interval: 1000
+        repeat: false
+        onTriggered: tooltipDialog.visible = false
+    }
+    function tooltipPosition() {
+        return widgetExplorer.tooltipPosition(tooltipDialog.appletDelegate, tooltipDialog.width, tooltipDialog.height);
+    }
+
+    Loader {
+        id: topBar
+        property Item categoryButton
+
+        sourceComponent: (widgetExplorer.orientation == Qt.Horizontal) ? horizontalTopBarComponent : verticalTopBarComponent
+        height: item.height + 2
+        anchors {
+            top: parent.top
+            left: parent.left
+            right: parent.right
+
+            topMargin: widgetExplorer.orientation == Qt.Horizontal ? 4 : 0
+            leftMargin: 4
+        }
+    }
+
+    Component {
+        id: horizontalTopBarComponent
+
+        Item {
+            anchors {
+                top: parent.top
+                left: parent.left
+                right: parent.right
+            }
+            height: filterField.height
+            Row {
+                spacing: 5
+                anchors {
+                    left: parent.left
+                    leftMargin: 2
+                }
+                PlasmaComponents.TextField {
+                    id: filterField
+                    width: list.width / Math.floor(list.width / cellWidth) - 4
+                    clearButtonShown: true
+                    placeholderText: i18n("Enter search term...")
+                    onTextChanged: {
+                        list.contentX = 0
+                        list.contentY = 0
+                        widgetExplorer.widgetsModel.searchTerm = text
+                    }
+                    Component.onCompleted: forceActiveFocus()
+                }
+                PlasmaComponents.Button {
+                    id: categoryButton
+                    text: i18n("Categories")
+                    onClicked: categoriesDialog.open(0, categoryButton.height)
+                }
+            }
+            Row {
+                anchors.right: parent.right
+                spacing: 5
+                PlasmaComponents.Button {
+                    id: getWidgetsButton
+                    iconSource: "get-hot-new-stuff"
+                    text: i18n("Get new widgets")
+                    onClicked: getWidgetsDialog.open()
+                }
+
+                Repeater {
+                    model: widgetExplorer.extraActions.length
+                    PlasmaComponents.Button {
+                        iconSource: widgetExplorer.extraActions[modelData].icon
+                        text: widgetExplorer.extraActions[modelData].text
+                        onClicked: {
+                            widgetExplorer.extraActions[modelData].trigger()
+                        }
+                    }
+                }
+                PlasmaComponents.ToolButton {
+                    iconSource: "window-close"
+                    onClicked: widgetExplorer.closeClicked()
+                }
+            }
+            Component.onCompleted: {
+                main.getWidgetsButton = getWidgetsButton
+                main.categoryButton = categoryButton
+            }
+        }
+    }
+
+    Component {
+        id: verticalTopBarComponent
+
+        Column {
+            anchors.top: parent.top
+            anchors.left:parent.left
+            anchors.right: parent.right
+            spacing: 4
+
+            PlasmaComponents.ToolButton {
+                anchors.right: parent.right
+                iconSource: "window-close"
+                onClicked: widgetExplorer.closeClicked()
+            }
+            PlasmaComponents.TextField {
+                anchors {
+                    left: parent.left
+                    right: parent.right
+                }
+                clearButtonShown: true
+                placeholderText: i18n("Enter search term...")
+                onTextChanged: {
+                    list.contentX = 0
+                    list.contentY = 0
+                    widgetExplorer.widgetsModel.searchTerm = text
+                }
+                Component.onCompleted: forceActiveFocus()
+            }
+            PlasmaComponents.Button {
+                anchors {
+                    left: parent.left
+                    right: parent.right
+                }
+                id: categoryButton
+                text: i18n("Categories")
+                onClicked: categoriesDialog.open(0, categoryButton.height)
+            }
+            Component.onCompleted: {
+                main.categoryButton = categoryButton
+            }
+        }
+    }
+
+    MouseEventListener {
+        id: listParent
+        anchors {
+            top: topBar.bottom
+            left: parent.left
+            right: widgetExplorer.orientation == Qt.Horizontal
+                ? parent.right
+                : (scrollBar.visible ? scrollBar.left : parent.right)
+            bottom: widgetExplorer.orientation == Qt.Horizontal ? scrollBar.top : bottomBar.top
+            leftMargin: 4
+            bottomMargin: 4
+        }
+        onWheelMoved: {
+            //use this only if the wheel orientation is vertical and the list orientation is horizontal, otherwise will be the list itself managing the wheel
+            if (wheel.orientation == Qt.Vertical && list.orientation == ListView.Horizontal) {
+                var delta = wheel.delta > 0 ? 20 : -20
+                list.contentX = Math.min(Math.max(0, list.contentWidth - list.width),
+                                         Math.max(0, list.contentX - delta))
+            }
+        }
+        ListView {
+            id: list
+
+            property int delegateWidth: (widgetExplorer.orientation == Qt.Horizontal) ? (list.width / Math.floor(list.width / cellWidth)) : list.width
+            property int delegateHeight: theme.defaultFont.pixelSize * 7 - 4
+
+            anchors.fill: parent
+
+            orientation: widgetExplorer.orientation == Qt.Horizontal ? ListView.Horizontal : ListView.Vertical
+            snapMode: ListView.SnapToItem
+            model: widgetExplorer.widgetsModel
+
+            clip: widgetExplorer.orientation == Qt.Vertical
+
+            delegate: AppletDelegate {}
+        }
+
+    }
+    PlasmaComponents.ScrollBar {
+            id: scrollBar
+            orientation: widgetExplorer.orientation == Qt.Horizontal ? ListView.Horizontal : ListView.Vertical
+            anchors {
+                top: widgetExplorer.orientation == Qt.Horizontal ? undefined : listParent.top
+                bottom: widgetExplorer.orientation == Qt.Horizontal ? parent.bottom : bottomBar.top
+                left: widgetExplorer.orientation == Qt.Horizontal ? parent.left : undefined
+                right: parent.right
+            }
+            flickableItem: list
+        }
+
+    Loader {
+        id: bottomBar
+
+        sourceComponent: (widgetExplorer.orientation == Qt.Horizontal) ? undefined : verticalBottomBarComponent
+        //height: item.height
+        height: 48 // FIXME
+        anchors {
+            left: parent.left
+            right: parent.right
+            bottom: parent.bottom
+            leftMargin: 4
+        }
+    }
+
+    Component {
+        id: verticalBottomBarComponent
+        Column {
+            anchors {
+                left: parent.left
+                right: parent.right
+                bottom: parent.bottom
+            }
+
+            spacing: 4
+
+            PlasmaComponents.Button {
+                anchors {
+                    left: parent.left
+                    right: parent.right
+                }
+                id: getWidgetsButton
+                iconSource: "get-hot-new-stuff"
+                text: i18n("Get new widgets")
+                onClicked: getWidgetsDialog.open()
+            }
+
+            Repeater {
+                model: widgetExplorer.extraActions.length
+                PlasmaComponents.Button {
+                    anchors {
+                        left: parent.left
+                        right: parent.right
+                    }
+                    iconSource: widgetExplorer.extraActions[modelData].icon
+                    text: widgetExplorer.extraActions[modelData].text
+                    onClicked: {
+                        widgetExplorer.extraActions[modelData].trigger()
+                    }
+                }
+            }
+
+            Component.onCompleted: {
+                main.getWidgetsButton = getWidgetsButton
+            }
+        }
+    }
+}

qmlpackages/blank/contents/layout.js

@@ -0,0 +1,16 @@
+
+// var panel = new Panel
+// panel.screen = 0
+// panel.location = 'top'
+// panel.addWidget("org.kde.testapplet")
+// panel.addWidget("org.kde.testcomponentsapplet")
+//
+// for (var i = 0; i < screenCount; ++i) {
+//     var desktop = new Activity
+//     desktop.name = i18n("Desktop")
+//     desktop.screen = i
+//     desktop.wallpaperPlugin = 'org.kde.image'
+//
+//     desktop.addWidget("org.kde.testapplet")
+//     var testComponents = desktop.addWidget("org.kde.testcomponentsapplet")
+// }

qmlpackages/blank/contents/loader.qml

@@ -0,0 +1,67 @@
+/*   vim:set foldmethod=marker:
+ *
+ *   Copyright (C) 2013 Ivan Cukic <ivan.cukic(at)kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License version 2,
+ *   or (at your option) any later version, as published by the Free
+ *   Software Foundation
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU 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.
+ */
+
+import QtQuick 2
+import org.kde.plasma.hardware 0.1 as Hardware
+import org.kde.plasma.platformcomponents 1.0 as Platform
+import QtQuick.Window 2.0
+
+Item {
+    id: main
+
+    property string shell  : "org.kde.blank"
+    property bool willing  : hardware.touchscreenPresent
+    property int  priority : 0
+
+    // This is not needed, but allows the
+    // handler to know whether its shell is loaded
+    property bool loaded   : false
+
+    Hardware.Interface { id: hardware }
+
+    Platform.Application {
+        application: "xterm"
+        running: main.loaded
+    }
+
+    // TODO: This is not needed - just for testing purposes
+    Window {
+        id: blankDialog
+
+        visible: main.loaded
+
+        width: 500
+        height: 500
+
+        Rectangle {
+            anchors.fill: parent
+            color: "white"
+        }
+
+        Text {
+            anchors.fill: parent
+            font.pointSize: 32
+            text: "Blank"
+            horizontalAlignment: Text.AlignHCenter
+            verticalAlignment:   Text.AlignVCenter
+        }
+    }
+}
+

qmlpackages/blank/contents/views/Desktop.qml

@@ -0,0 +1,43 @@
+/*
+ *  Copyright 2012 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+//import org.kde.plasma 2.0
+
+import org.kde.plasma.core 2.0 as PlasmaCore
+
+
+Rectangle {
+    id: root
+    color: "gray"
+    width: 1024
+    height: 768
+
+    property Item containment
+
+    onContainmentChanged: {
+        print("New Containment: " + containment)
+        //containment.parent = root
+        containment.visible = true
+        containment.anchors.fill = root
+    }
+
+    Component.onCompleted: {
+        print("View QML loaded")
+    }
+}

qmlpackages/blank/contents/views/Panel.qml

@@ -0,0 +1,43 @@
+/*
+ *  Copyright 2012 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.0
+//import org.kde.plasma 2.0
+
+import org.kde.plasma.core 2.0 as PlasmaCore
+
+
+PlasmaCore.FrameSvgItem {
+    id: root
+    width: 640
+    height: 32
+    imagePath: "widgets/panel-background"
+
+    property Item containment
+
+    onContainmentChanged: {
+        print("New panel Containment: " + containment)
+        //containment.parent = root
+        containment.visible = true
+        containment.anchors.fill = root
+    }
+
+    Component.onCompleted: {
+        print("PanelView QML loaded")
+    }
+}

qmlpackages/blank/metadata.desktop

@@ -0,0 +1,17 @@
+[Desktop Entry]
+Comment=Blank desktop view furniture
+Encoding=UTF-8
+Keywords=
+Name=Blank Desktop
+Type=Service
+
+X-KDE-ServiceTypes=Plasma/Shell
+X-KDE-ParentApp=
+X-KDE-PluginInfo-Author=Marco Martin
+X-KDE-PluginInfo-Category=
+X-KDE-PluginInfo-Email=mart@kde.org
+X-KDE-PluginInfo-License=GPLv2+
+X-KDE-PluginInfo-Name=org.kde.blank
+X-KDE-PluginInfo-Version=
+X-KDE-PluginInfo-Website=
+X-Plasma-MainScript=layout.js

scripting/panel.cpp

@@ -26,7 +26,7 @@
 #include <Plasma/Containment>
 #include <QScreen>
 
-#include "desktopcorona.h"
+#include "shellcorona.h"
 #include "panelview.h"
 #include "scriptengine.h"
 #include "widget.h"
@@ -37,7 +37,7 @@ namespace WorkspaceScripting
 Panel::Panel(Plasma::Containment *containment, QObject *parent)
     : Containment(containment, parent)
 {
-    m_corona = qobject_cast<DesktopCorona *>(containment->corona());
+    m_corona = qobject_cast<ShellCorona *>(containment->corona());
 }
 
 Panel::~Panel()

scripting/panel.h

@@ -27,7 +27,7 @@
 #include "containment.h"
 
 class PanelView;
-class DesktopCorona;
+class ShellCorona;
 
 namespace WorkspaceScripting
 {
@@ -88,7 +88,7 @@ public Q_SLOTS:
 
 private:
     PanelView *panel() const;
-    DesktopCorona *m_corona;
+    ShellCorona *m_corona;
 };
 
 }

shellcorona.cpp

@@ -0,0 +1,420 @@
+/*
+ *   Copyright 2008 Aaron Seigo <aseigo@kde.org>
+ *   Copyright 2013 Sebastian Kügler <sebas@kde.org>
+ *   Copyright 2013 Ivan Cukic <ivan.cukic@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 "shellcorona.h"
+
+#include <QApplication>
+#include <QDebug>
+#include <QDesktopWidget>
+#include <QQmlContext>
+#include <QTimer>
+
+#include <KLocalizedString>
+#include <Plasma/Package>
+
+#include "containmentconfigview.h"
+#include "panelview.h"
+#include "view.h"
+#include "scripting/desktopscriptengine.h"
+#include "widgetexplorer/widgetexplorerview.h"
+#include "configview.h"
+
+class ShellCorona::Private {
+public:
+    Private()
+        : desktopWidget(QApplication::desktop()),
+          widgetExplorerView(nullptr)
+    {
+        appConfigSyncTimer.setSingleShot(true);
+        // constant controlling how long between requesting a configuration sync
+        // and one happening should occur. currently 10 seconds
+        appConfigSyncTimer.setInterval(10000);
+    }
+
+    QString shell;
+    QDesktopWidget * desktopWidget;
+    QList <View *> views;
+    WidgetExplorerView * widgetExplorerView;
+    QHash <Plasma::Containment *, PanelView *> panelViews;
+    KConfigGroup desktopDefaultsConfig;
+    WorkspaceScripting::DesktopScriptEngine * scriptEngine;
+    QList<Plasma::Containment *> waitingPanels;
+    QSet<Plasma::Containment *> loadingDesktops;
+
+    QTimer appConfigSyncTimer;
+};
+
+WorkspaceScripting::DesktopScriptEngine * ShellCorona::scriptEngine() const
+{
+    return d->scriptEngine;
+}
+
+
+ShellCorona::ShellCorona(QObject *parent)
+    : Plasma::Corona(parent), d(new Private())
+{
+    d->desktopDefaultsConfig = KConfigGroup(KSharedConfig::openConfig(package().filePath("defaults")), "Desktop");
+
+    connect(&d->appConfigSyncTimer, &QTimer::timeout,
+            this, &ShellCorona::syncAppConfig);
+
+    connect(d->desktopWidget, &QDesktopWidget::resized,
+            this, &ShellCorona::screenResized );
+    connect(d->desktopWidget, &QDesktopWidget::screenCountChanged,
+            this, &ShellCorona::screenCountChanged);
+    connect(d->desktopWidget, &QDesktopWidget::workAreaResized,
+            this, &ShellCorona::workAreaResized);
+
+    connect(this, &ShellCorona::containmentAdded,
+            this, &ShellCorona::handleContainmentAdded);
+    connect(this, &ShellCorona::screenOwnerChanged,
+            this, &ShellCorona::updateScreenOwner);
+
+    d->scriptEngine = new WorkspaceScripting::DesktopScriptEngine(this, true);
+
+    connect(d->scriptEngine, &WorkspaceScripting::ScriptEngine::printError,
+            this, &ShellCorona::printScriptError);
+    connect(d->scriptEngine, &WorkspaceScripting::ScriptEngine::print,
+            this, &ShellCorona::printScriptMessage);
+
+    checkViews();
+
+    //QTimer::singleShot(600, this, SLOT(showWidgetExplorer())); // just for easier debugging
+}
+
+ShellCorona::~ShellCorona()
+{
+}
+
+void ShellCorona::setShell(const QString & shell)
+{
+    if (d->shell == shell) return;
+
+    unload();
+
+    setPackage(shell);
+    d->shell = shell;
+
+    load();
+}
+
+QString ShellCorona::shell() const
+{
+    return d->shell;
+}
+
+void ShellCorona::load()
+{
+    if (d->shell.isEmpty()) return;
+
+    loadLayout(d->shell);
+
+    if (containments().isEmpty()) {
+        loadDefaultLayout();
+    }
+
+    processUpdateScripts();
+    checkScreens();
+}
+
+void ShellCorona::unload()
+{
+    if (d->shell.isEmpty()) return;
+
+    qDeleteAll(containments());
+}
+
+KSharedConfig::Ptr ShellCorona::applicationConfig()
+{
+    return KSharedConfig::openConfig();
+}
+
+void ShellCorona::requestApplicationConfigSync()
+{
+    d->appConfigSyncTimer.start();
+}
+
+void ShellCorona::loadDefaultLayout()
+{
+    QString script = package().filePath("defaultlayout");
+    qDebug() << "This is the default layout we are using:";
+
+    QFile file(script);
+    if (file.open(QIODevice::ReadOnly | QIODevice::Text) ) {
+        QString code = file.readAll();
+        qDebug() << "evaluating startup script:" << script;
+        d->scriptEngine->evaluateScript(code);
+    }
+}
+
+void ShellCorona::processUpdateScripts()
+{
+    foreach (const QString &script, WorkspaceScripting::ScriptEngine::pendingUpdateScripts(this)) {
+        d->scriptEngine->evaluateScript(script);
+    }
+}
+
+void ShellCorona::checkScreens(bool signalWhenExists)
+{
+    // quick sanity check to ensure we have containments for each screen
+    int num = numScreens();
+    for (int i = 0; i < num; ++i) {
+        checkScreen(i, signalWhenExists);
+    }
+}
+
+void ShellCorona::checkScreen(int screen, bool signalWhenExists)
+{
+    // signalWhenExists is there to allow PlasmaApp to know when to create views
+    // it does this only on containment addition, but in the case of a screen being
+    // added and the containment already existing for that screen, no signal is emitted
+    // and so PlasmaApp does not know that it needs to create a view for it. to avoid
+    // taking care of that case in PlasmaApp (which would duplicate some of the code below,
+    // ShellCorona will, when signalWhenExists is true, emit a containmentAdded signal
+    // even if the containment actually existed prior to this method being called.
+    //
+    //note: hte signal actually triggers view creation only for panels, atm.
+    //desktop views are created in response to containment's screenChanged signal instead, which is
+    //buggy (sometimes the containment thinks it's already on the screen, so no view is created)
+
+    //TODO: restore activities
+    //Activity *currentActivity = activity(d->activityController->currentActivity());
+    //ensure the desktop(s) have a containment and view
+    checkDesktop(/*currentActivity,*/ signalWhenExists, screen);
+
+
+    //ensure the panels get views too
+    if (signalWhenExists) {
+        foreach (Plasma::Containment * c, containments()) {
+            if (c->screen() != screen) {
+                continue;
+            }
+
+            Plasma::Types::ContainmentType t = c->containmentType();
+            if (t == Plasma::Types::PanelContainment ||
+                t == Plasma::Types::CustomPanelContainment) {
+                emit containmentAdded(c);
+            }
+        }
+    }
+}
+
+void ShellCorona::checkDesktop(/*Activity *activity,*/ bool signalWhenExists, int screen)
+{
+    Plasma::Containment *c = /*activity->*/containmentForScreen(screen);
+
+    //TODO: remove following when activities are restored
+    if (!c) {
+        c = createContainment(d->desktopDefaultsConfig.readEntry("Containment", "org.kde.desktopcontainment"));
+    }
+
+    if (!c) {
+        return;
+    }
+
+    c->setScreen(screen);
+    if (screen >= 0 || d->views.count() >= screen + 1) {
+        d->views[screen]->setContainment(c);
+    } else {
+        qWarning() << "Invalid screen";
+    }
+    c->flushPendingConstraintsEvents();
+    requestApplicationConfigSync();
+
+    if (signalWhenExists) {
+        emit containmentAdded(c);
+    }
+}
+
+int ShellCorona::numScreens() const
+{
+    return d->desktopWidget->screenCount();
+}
+
+QRect ShellCorona::screenGeometry(int id) const
+{
+    return d->desktopWidget->screenGeometry(id);
+}
+
+QRegion ShellCorona::availableScreenRegion(int id) const
+{
+    return d->desktopWidget->availableGeometry(id);
+}
+
+QRect ShellCorona::availableScreenRect(int id) const
+{
+    return d->desktopWidget->availableGeometry(id);
+}
+
+PanelView *ShellCorona::panelView(Plasma::Containment *containment) const
+{
+    return d->panelViews.value(containment);
+}
+
+
+///// SLOTS
+
+void ShellCorona::screenCountChanged(int newCount)
+{
+    qDebug() << "New screen count" << newCount;
+    checkViews();
+}
+
+void ShellCorona::screenResized(int screen)
+{
+    qDebug() << "Screen resized" << screen;
+}
+
+void ShellCorona::workAreaResized(int screen)
+{
+    qDebug() << "Work area resized" << screen;
+}
+
+void ShellCorona::checkViews()
+{
+    if (d->views.count() == d->desktopWidget->screenCount()) {
+        return;
+    } else if (d->views.count() < d->desktopWidget->screenCount()) {
+        for (int i = d->views.count(); i < d->desktopWidget->screenCount(); ++i) {
+            View *view = new View(this);
+            QSurfaceFormat format;
+            view->show();
+
+            d->views << view;
+        }
+    } else {
+        for (int i = d->desktopWidget->screenCount(); i < d->views.count(); ++i) {
+            View *view = d->views.last();
+            view->deleteLater();
+            d->views.pop_back();
+        }
+    }
+
+    //check every containment is in proper view
+    for (int i = 0; i < d->desktopWidget->screenCount(); ++i) {
+        qDebug() << "TODO: Implement loading containments into the views";
+    }
+}
+
+void ShellCorona::checkLoadingDesktopsComplete()
+{
+    Plasma::Containment *c = qobject_cast<Plasma::Containment *>(sender());
+    if (c) {
+        disconnect(c, &Plasma::Containment::uiReadyChanged,
+                   this, &ShellCorona::checkLoadingDesktopsComplete);
+        d->loadingDesktops.remove(c);
+    }
+
+    if (d->loadingDesktops.isEmpty()) {
+        foreach (Plasma::Containment *cont, d->waitingPanels) {
+            d->panelViews[cont] = new PanelView(this);
+            d->panelViews[cont]->setContainment(cont);
+        }
+        d->waitingPanels.clear();
+    }
+}
+
+void ShellCorona::updateScreenOwner(int wasScreen, int isScreen, Plasma::Containment *containment)
+{
+    qDebug() << "Was screen" << wasScreen << "Is screen" << isScreen <<"Containment" << containment << containment->title();
+
+    if (containment->formFactor() == Plasma::Types::Horizontal ||
+        containment->formFactor() == Plasma::Types::Vertical) {
+
+        if (isScreen >= 0) {
+            d->waitingPanels << containment;
+        } else {
+            if (d->panelViews.contains(containment)) {
+                d->panelViews[containment]->setContainment(0);
+                d->panelViews[containment]->deleteLater();
+                d->panelViews.remove(containment);
+            }
+        }
+        checkLoadingDesktopsComplete();
+
+    //Desktop view
+    } else {
+
+        if (containment->isUiReady()) {
+            checkLoadingDesktopsComplete();
+        } else {
+            d->loadingDesktops.insert(containment);
+            connect(containment, &Plasma::Containment::uiReadyChanged,
+                    this, &ShellCorona::checkLoadingDesktopsComplete);
+        }
+
+        if (isScreen < 0 || d->views.count() < isScreen + 1) {
+            qWarning() << "Invalid screen";
+            return;
+        }
+
+        d->views[isScreen]->setContainment(containment);
+    }
+}
+
+void ShellCorona::handleContainmentAdded(Plasma::Containment* c)
+{
+    connect(c, &Plasma::Containment::showAddWidgetsInterface,
+            this, &ShellCorona::showWidgetExplorer);
+}
+
+void ShellCorona::showWidgetExplorer()
+{
+    if (!d->widgetExplorerView) {
+
+        QString expqml = package().filePath("widgetexplorer");
+        qDebug() << "Script to load for WidgetExplorer: " << expqml;
+        d->widgetExplorerView = new WidgetExplorerView(expqml);
+        d->widgetExplorerView->init();
+    }
+    Plasma::Containment *c = 0;
+    c = dynamic_cast<Plasma::Containment*>(sender());
+    if (c) {
+        qDebug() << "Found containment.";
+        d->widgetExplorerView->setContainment(c);
+    } else {
+        // FIXME: try harder to find a suitable containment?
+        qWarning() << "containment not set, don't know where to add the applet.";
+    }
+    d->widgetExplorerView->show();
+}
+
+void ShellCorona::syncAppConfig()
+{
+    qDebug() << "Syncing plasma-shellrc config";
+    applicationConfig()->sync();
+}
+
+void ShellCorona::printScriptError(const QString &error)
+{
+    qWarning() << error;
+}
+
+void ShellCorona::printScriptMessage(const QString &message)
+{
+    qDebug() << message;
+}
+
+// Desktop corona handler
+
+
+#include "moc_shellcorona.cpp"
+

shellcorona.h

@@ -14,57 +14,40 @@
  *
  *   You should have received a copy of the GNU Library General Public
  *   License along with this program; if not, write to the
-class  *   Free Software Foundation, Inc.,
+ *   Free Software Foundation, Inc.,
  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-#ifndef DESKTOPCORONA_H
-#define DESKTOPCORONA_H
+#ifndef SHELLCORONA_H
+#define SHELLCORONA_H
 
 #include "plasma/corona.h"
 
-#include "configview.h"
-
-class QDesktopWidget;
-class QQuickView;
-class PanelView;
-class View;
-class WidgetExplorerView;
-
 namespace Plasma
 {
     class Applet;
 } // namespace Plasma
 
+class PanelView;
+namespace WorkspaceScripting {
+    class DesktopScriptEngine;
+}
 
-class DesktopCorona : public Plasma::Corona
+class ShellCorona : public Plasma::Corona
 {
     Q_OBJECT
+    Q_PROPERTY(QString shell READ shell WRITE setShell)
 
 public:
-    explicit DesktopCorona(QObject * parent = 0);
-    ~DesktopCorona();
+    explicit ShellCorona(QObject * parent = 0);
+    ~ShellCorona();
 
     /**
      * Where to save global configuration that doesn't have anything to do with the scene (e.g. views)
      */
     KSharedConfig::Ptr applicationConfig();
 
-    /**
-     * Request saving applicationConfig on disk, it's event compressed, not immediate
-     */
-    void requestApplicationConfigSync();
-
-    /**
-     * Loads the default (system wide) layout for this user
-     **/
-    void loadDefaultLayout();
-
-    /**
-     * Execute any update script
-     */
-    void processUpdateScripts();
-
+    WorkspaceScripting::DesktopScriptEngine * scriptEngine() const;
     /**
      * Ensures we have the necessary containments for every screen
      */
@@ -84,6 +67,22 @@ public:
 
     PanelView *panelView(Plasma::Containment *containment) const;
 
+public Q_SLOTS:
+    /**
+     * Request saving applicationConfig on disk, it's event compressed, not immediate
+     */
+    void requestApplicationConfigSync();
+
+    /**
+     * Sets the shell that the corona should display
+     */
+    void setShell(const QString & shell);
+
+    /**
+     * Gets the currently shown shell
+     */
+    QString shell() const;
+
 protected Q_SLOTS:
     void screenCountChanged(int newCount);
     void screenResized(int screen);
@@ -95,23 +94,38 @@ protected Q_SLOTS:
     void printScriptError(const QString &error);
     void printScriptMessage(const QString &message);
 
+    /**
+     * Loads the layout and performs the needed checks
+     */
+    void load();
+
+    /**
+     * Unloads everything
+     */
+    void unload();
+
+    /**
+     * Loads the default (system wide) layout for this user
+     **/
+    void loadDefaultLayout();
+
+    /**
+     * Execute any update script
+     */
+    void processUpdateScripts();
+
+
 private Q_SLOTS:
+    void checkLoadingDesktopsComplete();
     void handleContainmentAdded(Plasma::Containment *c);
     void showWidgetExplorer();
     void syncAppConfig();
-    void checkLoadingDesktopsComplete();
 
 private:
-    QDesktopWidget *m_desktopWidget;
-    QList <View *> m_views;
-    WidgetExplorerView *m_widgetExplorerView;
-    QList<Plasma::Containment *> m_waitingPanels;
-    QSet<Plasma::Containment *> m_loadingDesktops;
-    QHash<Plasma::Containment *, PanelView *> m_panelViews;
-    KConfigGroup m_desktopDefaultsConfig;
-    QTimer *m_appConfigSyncTimer;
+    class Private;
+    const QScopedPointer<Private> d;
 };
 
-#endif
+#endif // SHELLCORONA_H
 
 

shellmanager.cpp

@@ -0,0 +1,205 @@
+/*
+ *   Copyright (C) 2013 Ivan Cukic <ivan.cukic(at)kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License version 2,
+ *   or (at your option) any later version, as published by the Free
+ *   Software Foundation
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU 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 "shellmanager.h"
+
+#include <algorithm>
+
+#include <QDebug>
+#include <QDir>
+#include <QList>
+#include <QTimer>
+
+#include <QQmlEngine>
+#include <QQmlComponent>
+
+#include <config-prefix.h>
+#include "shellcorona.h"
+#include "shellpluginloader.h"
+
+static const QString s_shellsDir(
+        QString(CMAKE_INSTALL_PREFIX) + "/" + DATA_INSTALL_DIR + "/" + "plasma/shells/");
+static const QString s_shellLoaderPath = QString("/contents/loader.qml");
+
+//
+// ShellManager
+//
+
+class ShellManager::Private {
+public:
+    Private()
+        : currentHandler(nullptr)
+    {
+        shellUpdateDelay.setInterval(100);
+        shellUpdateDelay.setSingleShot(true);
+    }
+
+    QList<QObject *> handlers;
+    QObject * currentHandler;
+    QTimer shellUpdateDelay;
+    ShellCorona * corona;
+};
+
+ShellManager::ShellManager()
+    : d(new Private())
+{
+    ShellPluginLoader::init();
+
+    connect(
+        &d->shellUpdateDelay, &QTimer::timeout,
+        this, &ShellManager::updateShell
+    );
+
+    d->corona = new ShellCorona(this);
+
+    connect(
+        this,      &ShellManager::shellChanged,
+        d->corona, &ShellCorona::setShell
+    );
+
+    loadHandlers();
+}
+
+ShellManager::~ShellManager()
+{
+    // if (d->currentHandler)
+    //     d->currentHandler->unload();
+}
+
+void ShellManager::loadHandlers()
+{
+    // TODO: Use corona's qml engine when it switches from QScriptEngine
+    static QQmlEngine * engine = new QQmlEngine(this);
+
+    for (const auto & dir: QDir(s_shellsDir).entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
+        const QString qmlFile = s_shellsDir + dir + s_shellLoaderPath;
+        // qDebug() << "Making a new instance of " << qmlFile;
+
+        QQmlComponent handlerComponent(engine,
+                QUrl::fromLocalFile(qmlFile)
+            );
+        auto handler = handlerComponent.create();
+
+        // Writing out the errors
+        for (const auto & error: handlerComponent.errors()) {
+            qWarning() << "Error: " << error;
+        }
+
+        if (handler) {
+            registerHandler(handler);
+        }
+    }
+
+    updateShell();
+}
+
+void ShellManager::registerHandler(QObject * handler)
+{
+    // qDebug() << "We got the handler: " << handler->property("shell").toString();
+
+    connect(
+        handler, &QObject::destroyed,
+        this,    &ShellManager::deregisterHandler
+    );
+
+    connect(
+        handler, SIGNAL(willingChanged()),
+        this,    SLOT(requestShellUpdate())
+    );
+
+    connect(
+        handler, SIGNAL(priorityChanged()),
+        this,    SLOT(requestShellUpdate())
+    );
+
+    d->handlers.push_back(handler);
+}
+
+void ShellManager::deregisterHandler(QObject * handler)
+{
+    if (d->handlers.contains(handler)) {
+        d->handlers.removeAll(handler);
+
+        handler->disconnect(this);
+    }
+
+    if (d->currentHandler == handler)
+        d->currentHandler = nullptr;
+}
+
+void ShellManager::requestShellUpdate()
+{
+    d->shellUpdateDelay.start();
+}
+
+void ShellManager::updateShell()
+{
+    d->shellUpdateDelay.stop();
+
+    if (d->handlers.isEmpty()) {
+        qFatal("We have no shell handlers installed");
+        return;
+    }
+
+    // Finding the handler that has the priority closest to zero.
+    // We will return a handler even if there are no willing ones.
+
+    auto handler =* std::min_element(d->handlers.cbegin(), d->handlers.cend(),
+            [] (QObject * left, QObject * right)
+            {
+                auto willing = [] (QObject * handler)
+                {
+                    return handler->property("willing").toBool();
+                };
+
+                auto priority = [] (QObject * handler)
+                {
+                    return handler->property("priority").toInt();
+                };
+
+                return
+                    // If one is willing and the other is not,
+                    // return it - it has the priority
+                    willing(left) && !willing(right) ? true :
+                    !willing(left) && willing(right) ? false :
+                    // otherwise just compare the priorities
+                    priority(left) < priority(right);
+            }
+         );
+
+    if (handler == d->currentHandler) return;
+
+    // Activating the new handler and killing the old one
+    if (d->currentHandler) {
+        d->currentHandler->setProperty("loaded", false);
+    }
+
+    d->currentHandler = handler;
+    d->currentHandler->setProperty("loaded", true);
+
+    // d->corona->setShell(d->currentHandler->property("shell").toString());
+    emit shellChanged(d->currentHandler->property("shell").toString());
+}
+
+ShellManager * ShellManager::instance()
+{
+    static ShellManager manager;
+    return &manager;
+}
+

shellmanager.h

@@ -0,0 +1,52 @@
+/*
+ *   Copyright (C) 2013 Ivan Cukic <ivan.cukic(at)kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License version 2,
+ *   or (at your option) any later version, as published by the Free
+ *   Software Foundation
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef SHELLMANAGER_H
+#define SHELLMANAGER_H
+
+#include <QObject>
+
+class ShellManager: public QObject {
+    Q_OBJECT
+public:
+    static ShellManager * instance();
+    ~ShellManager();
+
+    void loadHandlers();
+
+protected Q_SLOTS:
+    void registerHandler(QObject * handler);
+    void deregisterHandler(QObject * handler);
+
+public Q_SLOTS:
+    void requestShellUpdate();
+    void updateShell();
+
+Q_SIGNALS:
+    void shellChanged(const QString & shell);
+
+private:
+    ShellManager();
+
+    class Private;
+    const QScopedPointer<Private> d;
+};
+
+#endif /* SHELLMANAGER_H */
+

shellpackage.cpp

@@ -55,10 +55,10 @@ void ShellPackageStructure::initPackage(Plasma::Package *package)
     package->addFileDefinition("containmentconfigurationui", "configuration/ContainmentConfiguration.qml", i18n("QML component for the configuration dialog for containments"));
     package->addFileDefinition("panelconfigurationui", "configuration/PanelConfiguration.qml", i18n("Panel configuration UI"));
 
-    //WIdget explorer
+    //Widget explorer
     package->addFileDefinition("widgetexplorer", "explorer/WidgetExplorer.qml", i18n("Widgets explorer UI"));
-    
-    
+
+
     //package->setRequired("mainscript", true);
 }
 

shellpluginloader.cpp

@@ -30,8 +30,6 @@ ShellPluginLoader::~ShellPluginLoader()
 {
 }
 
-
-
 Plasma::Package ShellPluginLoader::internalLoadPackage(const QString &packageFormat, const QString &specialization)
 {
     Q_UNUSED(specialization)
@@ -43,3 +41,8 @@ Plasma::Package ShellPluginLoader::internalLoadPackage(const QString &packageFor
         return Plasma::Package();
     }
 }
+
+void ShellPluginLoader::init()
+{
+    Plasma::PluginLoader::setPluginLoader(new ShellPluginLoader);
+}

shellpluginloader.h

@@ -25,10 +25,12 @@
 
 class ShellPluginLoader: public Plasma::PluginLoader
 {
-public: 
+public:
     ShellPluginLoader();
     ~ShellPluginLoader();
 
+    static void init();
+
 protected:
     Plasma::Package internalLoadPackage(const QString &packageFormat, const QString &specialization);
 

view.cpp

@@ -100,17 +100,17 @@ void View::setContainment(Plasma::Containment *cont)
 
     emit containmentChanged();
 
-    if (!cont) {
+    if (cont) {
+        connect(cont, &Plasma::Containment::locationChanged,
+                this, &View::locationChanged);
+        connect(cont, &Plasma::Containment::formFactorChanged,
+                this, &View::formFactorChanged);
+        connect(cont, &Plasma::Containment::configureRequested,
+                this, &View::showConfigurationInterface);
+    } else {
         return;
     }
 
-    connect(cont, &Plasma::Containment::locationChanged,
-            this, &View::locationChanged);
-    connect(cont, &Plasma::Containment::formFactorChanged,
-            this, &View::formFactorChanged);
-    connect(cont, &Plasma::Containment::configureRequested,
-            this, &View::showConfigurationInterface);
-
     QObject *graphicObject = m_containment.data()->property("graphicObject").value<QObject *>();
 
     if (graphicObject) {