add a simple sliding panel

experiment on a sliding panel that doesn't need windowmanager magic

shell/contents/views/Desktop.qml

@@ -214,6 +214,17 @@ Item {
             verticalAlignment: Qt.AlignVCenter
             font.pixelSize: height / 2
         }
+        MouseArea {
+            anchors.fill: parent
+            onPressed: slidingPanel.visible = true;
+            onPositionChanged: slidingPanel.offset = mouse.y
+        }
+    }
+
+    SlidingPanel {
+        id: slidingPanel
+        width: homescreen.width
+        height: homescreen.height
     }
 
     ListView {
@@ -331,13 +342,13 @@ Item {
         anchors {
             top: stripe.bottom
             bottom: parent.bottom
-            horizontalCenter: parent.horizontalCenter
+            left: parent.left
+            right: parent.right
             topMargin: units.smallSpacing
         }
         z: 1
         cellWidth: stripe.height * 2
         cellHeight: cellWidth
-        width: cellWidth * 4
         model: PlasmaCore.DataModel { dataSource: applicationsSource }
         snapMode: GridView.SnapToRow
         clip: true

shell/contents/views/SlidingPanel.qml

@@ -0,0 +1,56 @@
+/*
+ *   Copyright 2014 Marco Martin <notmart@gmail.com>
+ *
+ *   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 Library 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 QtQuick.Window 2.0
+
+Window {
+    id: window
+    flags: Qt.WindowDoesNotAcceptFocus
+
+    property int offset: 0
+
+    color: "transparent"
+
+    MouseArea {
+        width: window.width
+        height: window.height
+        state: "closed"
+
+        property int startY: 0
+        property int startOffset: 0;
+        onPressed: {
+            startY = mouse.y;
+            startOffset = window.offset;
+        }
+        onPositionChanged: {
+            window.offset = Math.min(height, startOffset + (mouse.y - startY));
+        }
+
+        Rectangle {
+            width: window.width
+            height: window.height
+            y: -height + window.offset
+
+            color: Qt.rgba(0, 0, 0, 0.8)
+        }
+    }
+
+
+}