add a simple applet to control brightness

applets/CMakeLists.txt

@@ -1,4 +1,5 @@
 
+plasma_install_package(brightnessSettings org.kde.phone.brightnesssettings)
 plasma_install_package(clock org.kde.phone.clock)
 plasma_install_package(notifications org.kde.phone.notifications)
 

applets/brightnessSettings/Messages.sh

@@ -0,0 +1,4 @@
+#! /usr/bin/env bash
+$EXTRACTRC `find . -name \*.rc -o -name \*.ui -o -name \*.kcfg` >> rc.cpp
+$XGETTEXT `find . -name \*.js -o -name \*.qml -o -name \*.cpp` -o $podir/plasma_applet_org.kde.phone.brightnesssettings.pot
+rm -f rc.cpp

applets/brightnessSettings/contents/ui/main.qml

@@ -0,0 +1,56 @@
+/*
+ *   Copyright 2015 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 2.1
+import QtQuick.Layouts 1.1
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.plasma.plasmoid 2.0
+
+RowLayout {
+    id: root
+    spacing: units.smallSpacing
+    property int screenBrightness
+    readonly property int maximumScreenBrightness: pmSource.data["PowerDevil"] ? pmSource.data["PowerDevil"]["Maximum Screen Brightness"] || 0 : 0
+    Plasmoid.preferredRepresentation: Plasmoid.fullRepresentation
+
+    PlasmaCore.DataSource {
+        id: pmSource
+        engine: "powermanagement"
+        connectedSources: ["PowerDevil"]
+
+        onDataChanged: {
+            root.screenBrightness = source.data["PowerDevil"]["Screen Brightness"];
+        }
+    }
+
+    PlasmaCore.IconItem {
+        colorGroup: PlasmaCore.ColorScope.colorGroup
+        Layout.minimumHeight: units.iconSizes.medium
+        Layout.minimumWidth: Layout.minimumHeight
+        source: plasmoid.icon
+    }
+    PlasmaComponents.Slider {
+        id: slider
+        Layout.fillWidth: true
+        value: screenBrightness
+        minimumValue: maximumValue > 100 ? 1 : 0
+        maximumValue: root.maximumScreenBrightness
+    }
+}

applets/brightnessSettings/metadata.desktop

@@ -0,0 +1,21 @@
+[Desktop Entry]
+Encoding=UTF-8
+Name=Brightness Settings
+
+Comment=Set Display brightness
+
+Icon=video-display-brightness
+Type=Service
+X-KDE-ParentApp=
+X-KDE-PluginInfo-Author=Marco Martin
+X-KDE-PluginInfo-Email=mart@kde.org
+X-KDE-PluginInfo-License=GPL
+X-KDE-PluginInfo-Name=org.kde.phone.brightnesssettings
+X-KDE-PluginInfo-Version=1.0
+X-KDE-PluginInfo-Website=plasma.kde.org
+X-KDE-ServiceTypes=Plasma/Applet
+X-Plasma-API=declarativeappletscript
+X-KDE-PluginInfo-Category=System
+
+X-Plasma-MainScript=ui/main.qml
+X-Plasma-RemoteLocation=

containments/panel/contents/ui/main.qml

@@ -145,7 +145,7 @@ PlasmaCore.ColorScope {
                         root.expandedApplet = null;
                         return;
                     }
-                    if (root.expandedApplet) {
+                    if (root.expandedApplet && root.expandedApplet != applet) {
                         root.expandedApplet.expanded = false;
                     }
                     root.expandedApplet = applet;