refactor: Update ViewCube home button icon and position

icons/home.svg

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 24 24"
+   fill="currentColor"
+   class="size-6"
+   version="1.1"
+   id="svg2"
+   sodipodi:docname="home.svg"
+   inkscape:version="1.4 (e7c3feb100, 2024-10-09)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs2" />
+  <sodipodi:namedview
+     id="namedview2"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="14.574147"
+     inkscape:cx="6.9643869"
+     inkscape:cy="8.6797532"
+     inkscape:window-width="1440"
+     inkscape:window-height="831"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg2" />
+  <path
+     d="M11.47 3.841a.75.75 0 0 1 1.06 0l8.69 8.69a.75.75 0 1 0 1.06-1.061l-8.689-8.69a2.25 2.25 0 0 0-3.182 0l-8.69 8.69a.75.75 0 1 0 1.061 1.06l8.69-8.689Z"
+     id="path1"
+     style="fill:#ffffff" />
+  <path
+     d="m12 5.432 8.159 8.159c.03.03.06.058.091.086v6.198c0 1.035-.84 1.875-1.875 1.875H15a.75.75 0 0 1-.75-.75v-4.5a.75.75 0 0 0-.75-.75h-3a.75.75 0 0 0-.75.75V21a.75.75 0 0 1-.75.75H5.625a1.875 1.875 0 0 1-1.875-1.875v-6.198a2.29 2.29 0 0 0 .091-.086L12 5.432Z"
+     id="path2"
+     style="fill:#ffffff" />
+</svg>

resources.qrc

@@ -7,6 +7,7 @@
 		<file>icons/circle.svg</file>
 		<file>icons/save-sketch.svg</file>
 		<file>icons/cursor.svg</file>
+		<file>icons/home.svg</file>
     </qresource>
     <qresource prefix="/shaders">
         <file alias="simple.vert">src/shaders/simple.vert</file>

src/ViewCube.cpp

@@ -10,7 +10,7 @@
 
 ViewCube::ViewCube()
 {
-    m_homeButtonRenderer = new QSvgRenderer(QString(":/icons/rectangle.svg"));
+    m_homeButtonRenderer = new QSvgRenderer(QString(":/icons/home.svg"));
     for (int i = 0; i < 6; ++i) {
         m_faceTextures[i] = nullptr;
     }
@@ -221,7 +221,7 @@ void ViewCube::paint2D(QPainter& painter, int widgetWidth, int widgetHeight)
 
     int viewCubeSize = 150; // logical pixels
     int buttonSize = 24;
-    int buttonMargin = 8;
+    int buttonMargin = -32;
 
     int viewCubeX = widgetWidth - viewCubeSize;
     int viewCubeY = 0;
@@ -241,7 +241,7 @@ bool ViewCube::handleMousePress(const QPoint& pos, int widgetWidth, int widgetHe
 
     int viewCubeSize = 150;
     int buttonSize = 24;
-    int buttonMargin = 8;
+    int buttonMargin = -32;
     int viewCubeX = widgetWidth - viewCubeSize;
     int viewCubeY = 0;
     QRect homeButtonRect(viewCubeX - buttonMargin - buttonSize, viewCubeY, buttonSize, buttonSize);