some more branding

files/system/usr/share/plasma/look-and-feel/com.valve.vgui.desktop/contents/defaults

@@ -0,0 +1,27 @@
+[kdeglobals][KDE]
+widgetStyle=Windows
+
+[kdeglobals][General]
+ColorScheme=VGUI
+
+[kdeglobals][Icons]
+Theme=breeze-dark
+
+[plasmarc][Theme]
+name=default
+
+[kcminputrc][Mouse]
+cursorTheme=KDE_Classic
+
+[kwinrc][WindowSwitcher]
+LayoutName=org.kde.breeze.desktop
+
+[kwinrc][DesktopSwitcher]
+LayoutName=org.kde.breeze.desktop
+
+[kwinrc][org.kde.kdecoration2]
+library=org.kde.kwin.aurorae
+theme=kwin4_decoration_qml_plastik
+
+[KSplash]
+Theme=com.valve.vapor

files/system/usr/share/plasma/look-and-feel/com.valve.vgui.desktop/contents/plasmoidsetupscripts/org.kde.plasma.folder.js

@@ -0,0 +1,4 @@
+applet.wallpaperPlugin = 'org.kde.image'
+applet.currentConfigGroup = ["Wallpaper", "org.kde.image", "General"]
+applet.writeConfig("Image", "/usr/share/wallpapers/miasma-default.jxl")
+applet.reloadConfig()

files/system/usr/share/plasma/look-and-feel/com.valve.vgui.desktop/contents/plasmoidsetupscripts/org.kde.plasma.kickoff.js

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+applet.currentConfigGroup = ["General"]
+applet.writeConfig("icon", "distributor-logo-steamdeck")
+applet.reloadConfig()

files/system/usr/share/plasma/look-and-feel/com.valve.vgui.desktop/contents/plasmoidsetupscripts/org.kde.plasma.systemtray.js

@@ -0,0 +1,6 @@
+systemtrayId = applet.readConfig("SystrayContainmentId");
+if (systemtrayId) {
+    const systrayContainer = desktopById(systemtrayId);
+    systrayContainer.currentConfigGroup = ["General"];
+    systrayContainer.writeConfig("scaleIconsToFit", true);
+}

files/system/usr/share/plasma/look-and-feel/com.valve.vgui.desktop/contents/splash/Splash.qml

@@ -0,0 +1,85 @@
+/*
+    SPDX-FileCopyrightText: 2014 Marco Martin <mart@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+import QtQuick
+import org.kde.kirigami 2 as Kirigami
+
+Rectangle {
+    id: root
+    color: "black"
+
+    property int stage
+
+    onStageChanged: {
+        if (stage == 2) {
+            introAnimation.running = true;
+        } else if (stage == 5) {
+            introAnimation.target = busyIndicator;
+            introAnimation.from = 1;
+            introAnimation.to = 0;
+            introAnimation.running = true;
+        }
+    }
+
+    width: 1280
+    height: 800
+
+    Component.onCompleted: stage = 2
+
+    Item {
+        id: content
+        anchors.fill: parent
+        opacity: 0
+
+        Image {
+            id: logo
+            //match SDDM/lockscreen avatar positioning
+            readonly property real size: Kirigami.Units.gridUnit * 8
+
+            anchors.centerIn: parent
+
+            asynchronous: true
+            source: "images/miasma-logo.svg"
+
+            sourceSize.width: size
+            sourceSize.height: size
+        }
+
+        // TODO: port to PlasmaComponents3.BusyIndicator
+        Image {
+            id: busyIndicator
+            //in the middle of the remaining space
+            y: parent.height - (parent.height - logo.y) / 2 - height/2
+            anchors.horizontalCenter: parent.horizontalCenter
+            asynchronous: true
+            source: "images/busywidget.svgz"
+            sourceSize.height: Kirigami.Units.gridUnit * 2
+            sourceSize.width: Kirigami.Units.gridUnit * 2
+            RotationAnimator on rotation {
+                id: rotationAnimator
+                from: 0
+                to: 360
+                // Not using a standard duration value because we don't want the
+                // animation to spin faster or slower based on the user's animation
+                // scaling preferences; it doesn't make sense in this context
+                duration: 2000
+                loops: Animation.Infinite
+                // Don't want it to animate at all if the user has disabled animations
+                running: Kirigami.Units.longDuration > 1
+            }
+        }
+    }
+
+    OpacityAnimator {
+        id: introAnimation
+        running: false
+        target: content
+        from: 0
+        to: 1
+        duration: Kirigami.Units.veryLongDuration * 2
+        easing.type: Easing.InOutQuad
+    }
+}