Fixing decoration inflation

interface/resources/qml/desktop/Desktop.qml

@@ -25,6 +25,7 @@ FocusScope {
     property rect recommendedRect: Qt.rect(0,0,0,0);
     property var expectedChildren;
     property bool repositionLocked: true
+    property bool hmdHandMouseActive: false
 
     onRepositionLockedChanged: {
         if (!repositionLocked) {

interface/resources/qml/windows/Decoration.qml

@@ -17,6 +17,9 @@ import "../styles-uit"
 Rectangle {
     HifiConstants { id: hifi }
 
+    signal inflateDecorations();
+    signal deflateDecorations();
+
     property int frameMargin: 9
     property int frameMarginLeft: frameMargin
     property int frameMarginRight: frameMargin
@@ -43,5 +46,26 @@ Rectangle {
         anchors.fill: parent
         drag.target: window
     }
+    Connections {
+        target: window
+        onMouseEntered: {
+            if (desktop.hmdHandMouseActive) {
+                root.inflateDecorations()
+           }
+        }
+        onMouseExited: root.deflateDecorations();
+    }
+    Connections {
+        target: desktop
+        onHmdHandMouseActiveChanged: {
+            if (desktop.hmdHandMouseActive) {
+                if (window.activator.containsMouse) {
+                    root.inflateDecorations();
+                }
+            } else {
+                root.deflateDecorations();
+            }
+        }
+    }
 }
 

interface/resources/qml/windows/DefaultFrameDecoration.qml

@@ -14,7 +14,6 @@ import QtGraphicalEffects 1.0
 import "."
 import "../styles-uit"
 
-
 Decoration {
     HifiConstants { id: hifi }
 
@@ -28,23 +27,22 @@ Decoration {
     frameMarginTop: 2 * frameMargin + iconSize
     frameMarginBottom: iconSize + 11
 
-    Connections {
+    onInflateDecorations: {
-        target: window
+        if (!HMD.active) {
-        onMouseEntered: {
+            return;
-            if (!HMD.active) {
-                return;
-            }
-            root.frameMargin = 18
-            titleText.size = hifi.fontSizes.overlayTitle * 2
-            root.iconSize = hifi.dimensions.frameIconSize * 2
-        }
-        onMouseExited: {
-            root.frameMargin = 9
-            titleText.size = hifi.fontSizes.overlayTitle
-            root.iconSize = hifi.dimensions.frameIconSize
         }
+        root.frameMargin = 18
+        titleText.size = hifi.fontSizes.overlayTitle * 2
+        root.iconSize = hifi.dimensions.frameIconSize * 2
     }
 
+    onDeflateDecorations: {
+        root.frameMargin = 9
+        titleText.size = hifi.fontSizes.overlayTitle
+        root.iconSize = hifi.dimensions.frameIconSize
+    }
+
+
     Row {
         id: controlsRow
         anchors {

interface/resources/qml/windows/ToolFrameDecoration.qml

@@ -32,23 +32,21 @@ Decoration {
     frameMarginBottom: frameMargin + (verticalSpacers ? spacerMargin : 0)
     radius: hifi.dimensions.borderRadius / 2
 
-    Connections {
+    onInflateDecorations: {
-        target: window
+        if (!HMD.active) {
-        onMouseEntered: {
+            return;
-            if (!HMD.active) {
-                return;
-            }
-            root.frameMargin = 18
-            root.spacerWidth = 16
-            root.spacerRadius = 8
-            root.spacerMargin = 8
-        }
-        onMouseExited: {
-            root.frameMargin = 6
-            root.spacerWidth = 8
-            root.spacerRadius = 4
-            root.spacerMargin = 12
         }
+        root.frameMargin = 18
+        root.spacerWidth = 16
+        root.spacerRadius = 8
+        root.spacerMargin = 8
+    }
+
+    onDeflateDecorations: {
+        root.frameMargin = 6
+        root.spacerWidth = 8
+        root.spacerRadius = 4
+        root.spacerMargin = 12
     }
 
     Rectangle {

interface/src/scripting/HMDScriptingInterface.cpp

@@ -15,6 +15,7 @@
 
 #include <display-plugins/DisplayPlugin.h>
 #include <display-plugins/CompositorHelper.h>
+#include <OffscreenUi.h>
 #include <avatar/AvatarManager.h>
 #include "Application.h"
 
@@ -110,13 +111,17 @@ QString HMDScriptingInterface::preferredAudioOutput() const {
 }
 
 bool HMDScriptingInterface::setHandLasers(int hands, bool enabled, const glm::vec4& color, const glm::vec3& direction) const {
+    auto offscreenUi = DependencyManager::get<OffscreenUi>();
+    offscreenUi->executeOnUiThread([offscreenUi, enabled] {
+        offscreenUi->getDesktop()->setProperty("hmdHandMouseActive", enabled);
+    });
     return qApp->getActiveDisplayPlugin()->setHandLaser(hands,
         enabled ? DisplayPlugin::HandLaserMode::Overlay : DisplayPlugin::HandLaserMode::None,
         color, direction);
 }
 
 void HMDScriptingInterface::disableHandLasers(int hands) const {
-    qApp->getActiveDisplayPlugin()->setHandLaser(hands, DisplayPlugin::HandLaserMode::None);
+    setHandLasers(hands, false, vec4(0), vec3(0));
 }
 
 bool HMDScriptingInterface::suppressKeyboard() {

tests/ui/qml/main.qml

@@ -33,6 +33,11 @@ ApplicationWindow {
             onClicked: HMD.active = !HMD.active
         }
 
+        Button {
+            text: desktop.hmdHandMouseActive ? "Disable HMD HandMouse" : "Enable HMD HandMouse"
+            onClicked: desktop.hmdHandMouseActive = !desktop.hmdHandMouseActive
+        }
+
         // Window visibility
         Button {
             text: "toggle desktop"