diff --git a/rtdata/images/Dark/actions/previewmodeB-off.png b/rtdata/images/Dark/actions/previewmodeB-off.png
index 1ff087b4d..0c9890437 100644
Binary files a/rtdata/images/Dark/actions/previewmodeB-off.png and b/rtdata/images/Dark/actions/previewmodeB-off.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeB-on.png b/rtdata/images/Dark/actions/previewmodeB-on.png
index 6403fc722..466192b3a 100644
Binary files a/rtdata/images/Dark/actions/previewmodeB-on.png and b/rtdata/images/Dark/actions/previewmodeB-on.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeBC0-off.png b/rtdata/images/Dark/actions/previewmodeBC0-off.png
index c106c8170..28c024555 100644
Binary files a/rtdata/images/Dark/actions/previewmodeBC0-off.png and b/rtdata/images/Dark/actions/previewmodeBC0-off.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeBC0-on.png b/rtdata/images/Dark/actions/previewmodeBC0-on.png
index f885bb4f8..f5e0b8000 100644
Binary files a/rtdata/images/Dark/actions/previewmodeBC0-on.png and b/rtdata/images/Dark/actions/previewmodeBC0-on.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeBC1-off.png b/rtdata/images/Dark/actions/previewmodeBC1-off.png
index 114bbf239..4ac160b05 100644
Binary files a/rtdata/images/Dark/actions/previewmodeBC1-off.png and b/rtdata/images/Dark/actions/previewmodeBC1-off.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeBC1-on.png b/rtdata/images/Dark/actions/previewmodeBC1-on.png
index fdface10e..3e9b6874c 100644
Binary files a/rtdata/images/Dark/actions/previewmodeBC1-on.png and b/rtdata/images/Dark/actions/previewmodeBC1-on.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeBC2-off.png b/rtdata/images/Dark/actions/previewmodeBC2-off.png
index 548fce401..bf3d97b2d 100644
Binary files a/rtdata/images/Dark/actions/previewmodeBC2-off.png and b/rtdata/images/Dark/actions/previewmodeBC2-off.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeBC2-on.png b/rtdata/images/Dark/actions/previewmodeBC2-on.png
index 820f04c20..457453166 100644
Binary files a/rtdata/images/Dark/actions/previewmodeBC2-on.png and b/rtdata/images/Dark/actions/previewmodeBC2-on.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeBC3-off.png b/rtdata/images/Dark/actions/previewmodeBC3-off.png
index f77c17153..487ec777e 100644
Binary files a/rtdata/images/Dark/actions/previewmodeBC3-off.png and b/rtdata/images/Dark/actions/previewmodeBC3-off.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeBC3-on.png b/rtdata/images/Dark/actions/previewmodeBC3-on.png
index 69209dc4f..670b5b8b4 100644
Binary files a/rtdata/images/Dark/actions/previewmodeBC3-on.png and b/rtdata/images/Dark/actions/previewmodeBC3-on.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeF-off.png b/rtdata/images/Dark/actions/previewmodeF-off.png
index 519de02bc..5d52af569 100644
Binary files a/rtdata/images/Dark/actions/previewmodeF-off.png and b/rtdata/images/Dark/actions/previewmodeF-off.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeF-on.png b/rtdata/images/Dark/actions/previewmodeF-on.png
index 3910e6a20..f0d0ef230 100644
Binary files a/rtdata/images/Dark/actions/previewmodeF-on.png and b/rtdata/images/Dark/actions/previewmodeF-on.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeG-off.png b/rtdata/images/Dark/actions/previewmodeG-off.png
index e25911324..5c076c989 100644
Binary files a/rtdata/images/Dark/actions/previewmodeG-off.png and b/rtdata/images/Dark/actions/previewmodeG-off.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeG-on.png b/rtdata/images/Dark/actions/previewmodeG-on.png
index db31667ed..ecc75c8e7 100644
Binary files a/rtdata/images/Dark/actions/previewmodeG-on.png and b/rtdata/images/Dark/actions/previewmodeG-on.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeL-off.png b/rtdata/images/Dark/actions/previewmodeL-off.png
index d24dea76f..939dec642 100644
Binary files a/rtdata/images/Dark/actions/previewmodeL-off.png and b/rtdata/images/Dark/actions/previewmodeL-off.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeL-on.png b/rtdata/images/Dark/actions/previewmodeL-on.png
index 11b745e09..92fe937e8 100644
Binary files a/rtdata/images/Dark/actions/previewmodeL-on.png and b/rtdata/images/Dark/actions/previewmodeL-on.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeR-off.png b/rtdata/images/Dark/actions/previewmodeR-off.png
index 9aef77301..b96e22c31 100644
Binary files a/rtdata/images/Dark/actions/previewmodeR-off.png and b/rtdata/images/Dark/actions/previewmodeR-off.png differ
diff --git a/rtdata/images/Dark/actions/previewmodeR-on.png b/rtdata/images/Dark/actions/previewmodeR-on.png
index 5fb0f996e..fb1e46e98 100644
Binary files a/rtdata/images/Dark/actions/previewmodeR-on.png and b/rtdata/images/Dark/actions/previewmodeR-on.png differ
diff --git a/rtdata/images/Light/actions/previewmodeB-off.png b/rtdata/images/Light/actions/previewmodeB-off.png
index 1ff087b4d..0c9890437 100644
Binary files a/rtdata/images/Light/actions/previewmodeB-off.png and b/rtdata/images/Light/actions/previewmodeB-off.png differ
diff --git a/rtdata/images/Light/actions/previewmodeB-on.png b/rtdata/images/Light/actions/previewmodeB-on.png
index 6403fc722..466192b3a 100644
Binary files a/rtdata/images/Light/actions/previewmodeB-on.png and b/rtdata/images/Light/actions/previewmodeB-on.png differ
diff --git a/rtdata/images/Light/actions/previewmodeBC0-off.png b/rtdata/images/Light/actions/previewmodeBC0-off.png
index 05a75ee25..28c024555 100644
Binary files a/rtdata/images/Light/actions/previewmodeBC0-off.png and b/rtdata/images/Light/actions/previewmodeBC0-off.png differ
diff --git a/rtdata/images/Light/actions/previewmodeBC0-on.png b/rtdata/images/Light/actions/previewmodeBC0-on.png
index a1f462cb2..f5e0b8000 100644
Binary files a/rtdata/images/Light/actions/previewmodeBC0-on.png and b/rtdata/images/Light/actions/previewmodeBC0-on.png differ
diff --git a/rtdata/images/Light/actions/previewmodeBC1-off.png b/rtdata/images/Light/actions/previewmodeBC1-off.png
index d5071108a..4ac160b05 100644
Binary files a/rtdata/images/Light/actions/previewmodeBC1-off.png and b/rtdata/images/Light/actions/previewmodeBC1-off.png differ
diff --git a/rtdata/images/Light/actions/previewmodeBC1-on.png b/rtdata/images/Light/actions/previewmodeBC1-on.png
index f71b27965..3e9b6874c 100644
Binary files a/rtdata/images/Light/actions/previewmodeBC1-on.png and b/rtdata/images/Light/actions/previewmodeBC1-on.png differ
diff --git a/rtdata/images/Light/actions/previewmodeBC2-off.png b/rtdata/images/Light/actions/previewmodeBC2-off.png
index 5c9b2d0e8..bf3d97b2d 100644
Binary files a/rtdata/images/Light/actions/previewmodeBC2-off.png and b/rtdata/images/Light/actions/previewmodeBC2-off.png differ
diff --git a/rtdata/images/Light/actions/previewmodeBC2-on.png b/rtdata/images/Light/actions/previewmodeBC2-on.png
index 8f5b9207e..457453166 100644
Binary files a/rtdata/images/Light/actions/previewmodeBC2-on.png and b/rtdata/images/Light/actions/previewmodeBC2-on.png differ
diff --git a/rtdata/images/Light/actions/previewmodeBC3-off.png b/rtdata/images/Light/actions/previewmodeBC3-off.png
new file mode 100644
index 000000000..487ec777e
Binary files /dev/null and b/rtdata/images/Light/actions/previewmodeBC3-off.png differ
diff --git a/rtdata/images/Light/actions/previewmodeBC3-on.png b/rtdata/images/Light/actions/previewmodeBC3-on.png
new file mode 100644
index 000000000..670b5b8b4
Binary files /dev/null and b/rtdata/images/Light/actions/previewmodeBC3-on.png differ
diff --git a/rtdata/images/Light/actions/previewmodeF-off.png b/rtdata/images/Light/actions/previewmodeF-off.png
index 519de02bc..5d52af569 100644
Binary files a/rtdata/images/Light/actions/previewmodeF-off.png and b/rtdata/images/Light/actions/previewmodeF-off.png differ
diff --git a/rtdata/images/Light/actions/previewmodeF-on.png b/rtdata/images/Light/actions/previewmodeF-on.png
index 3910e6a20..f0d0ef230 100644
Binary files a/rtdata/images/Light/actions/previewmodeF-on.png and b/rtdata/images/Light/actions/previewmodeF-on.png differ
diff --git a/rtdata/images/Light/actions/previewmodeG-off.png b/rtdata/images/Light/actions/previewmodeG-off.png
index e25911324..5c076c989 100644
Binary files a/rtdata/images/Light/actions/previewmodeG-off.png and b/rtdata/images/Light/actions/previewmodeG-off.png differ
diff --git a/rtdata/images/Light/actions/previewmodeG-on.png b/rtdata/images/Light/actions/previewmodeG-on.png
index db31667ed..ecc75c8e7 100644
Binary files a/rtdata/images/Light/actions/previewmodeG-on.png and b/rtdata/images/Light/actions/previewmodeG-on.png differ
diff --git a/rtdata/images/Light/actions/previewmodeL-off.png b/rtdata/images/Light/actions/previewmodeL-off.png
index d24dea76f..939dec642 100644
Binary files a/rtdata/images/Light/actions/previewmodeL-off.png and b/rtdata/images/Light/actions/previewmodeL-off.png differ
diff --git a/rtdata/images/Light/actions/previewmodeL-on.png b/rtdata/images/Light/actions/previewmodeL-on.png
index 11b745e09..92fe937e8 100644
Binary files a/rtdata/images/Light/actions/previewmodeL-on.png and b/rtdata/images/Light/actions/previewmodeL-on.png differ
diff --git a/rtdata/images/Light/actions/previewmodeR-off.png b/rtdata/images/Light/actions/previewmodeR-off.png
index 9aef77301..b96e22c31 100644
Binary files a/rtdata/images/Light/actions/previewmodeR-off.png and b/rtdata/images/Light/actions/previewmodeR-off.png differ
diff --git a/rtdata/images/Light/actions/previewmodeR-on.png b/rtdata/images/Light/actions/previewmodeR-on.png
index 5fb0f996e..fb1e46e98 100644
Binary files a/rtdata/images/Light/actions/previewmodeR-on.png and b/rtdata/images/Light/actions/previewmodeR-on.png differ
diff --git a/tools/source_icons/scalable/previewmodeB-off.file b/tools/source_icons/scalable/previewmodeB-off.file
new file mode 100644
index 000000000..78d96d991
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeB-off.file
@@ -0,0 +1 @@
+previewmodeB-off.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeB-off.svg b/tools/source_icons/scalable/previewmodeB-off.svg
new file mode 100644
index 000000000..2566c37cf
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeB-off.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeB-off.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="294.88333" />
+    <rect
+       y="295.14795"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#3030d0;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeB-on.file b/tools/source_icons/scalable/previewmodeB-on.file
new file mode 100644
index 000000000..045f8a31b
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeB-on.file
@@ -0,0 +1 @@
+previewmodeB-on.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeB-on.svg b/tools/source_icons/scalable/previewmodeB-on.svg
new file mode 100644
index 000000000..cc3faa733
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeB-on.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeB-on.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="291.17914" />
+    <rect
+       y="291.44376"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#3030d0;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeBC0-off.file b/tools/source_icons/scalable/previewmodeBC0-off.file
new file mode 100644
index 000000000..baf7ab70a
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC0-off.file
@@ -0,0 +1 @@
+previewmodeBC0-off.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeBC0-off.svg b/tools/source_icons/scalable/previewmodeBC0-off.svg
new file mode 100644
index 000000000..7c29636e9
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC0-off.svg
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeBC0-off.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="294.88333" />
+    <rect
+       y="295.14795"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#77777f;fill-opacity:0.94117647;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:1.47849023px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.03696226px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       x="0.60605097"
+       y="296.47083"
+       id="text7395"><tspan
+         sodipodi:role="line"
+         id="tspan7393"
+         x="0.60605097"
+         y="296.47083"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';stroke-width:0.03696226px">T</tspan></text>
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeBC0-on.file b/tools/source_icons/scalable/previewmodeBC0-on.file
new file mode 100644
index 000000000..033a88501
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC0-on.file
@@ -0,0 +1 @@
+previewmodeBC0-on.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeBC0-on.svg b/tools/source_icons/scalable/previewmodeBC0-on.svg
new file mode 100644
index 000000000..7613279ec
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC0-on.svg
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeBC0-on.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="1"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="291.17914" />
+    <rect
+       y="291.44376"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#77777f;fill-opacity:0.94117647;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:1.47849023px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.03696226px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       x="0.60605097"
+       y="292.76663"
+       id="text7395"><tspan
+         sodipodi:role="line"
+         id="tspan7393"
+         x="0.60605097"
+         y="292.76663"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';stroke-width:0.03696226px">T</tspan></text>
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeBC1-off.file b/tools/source_icons/scalable/previewmodeBC1-off.file
new file mode 100644
index 000000000..db5e6f2e2
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC1-off.file
@@ -0,0 +1 @@
+previewmodeBC1-off.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeBC1-off.svg b/tools/source_icons/scalable/previewmodeBC1-off.svg
new file mode 100644
index 000000000..1e7d3e669
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC1-off.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeBC1-off.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="0.10911272"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="294.88333" />
+    <rect
+       y="295.14795"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#1a1a1a;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeBC1-on.file b/tools/source_icons/scalable/previewmodeBC1-on.file
new file mode 100644
index 000000000..1de2f604d
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC1-on.file
@@ -0,0 +1 @@
+previewmodeBC1-on.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeBC1-on.svg b/tools/source_icons/scalable/previewmodeBC1-on.svg
new file mode 100644
index 000000000..b4b21cd85
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC1-on.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeBC1-on.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="291.17914" />
+    <rect
+       y="291.44376"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#1a1a1a;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeBC2-off.file b/tools/source_icons/scalable/previewmodeBC2-off.file
new file mode 100644
index 000000000..6073f7aac
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC2-off.file
@@ -0,0 +1 @@
+previewmodeBC2-off.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeBC2-off.svg b/tools/source_icons/scalable/previewmodeBC2-off.svg
new file mode 100644
index 000000000..e9f4e10f2
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC2-off.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeBC2-off.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="0.10911272"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="294.88333" />
+    <rect
+       y="295.14795"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#e6e6e6;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeBC2-on.file b/tools/source_icons/scalable/previewmodeBC2-on.file
new file mode 100644
index 000000000..18229b31d
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC2-on.file
@@ -0,0 +1 @@
+previewmodeBC2-on.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeBC2-on.svg b/tools/source_icons/scalable/previewmodeBC2-on.svg
new file mode 100644
index 000000000..582b69fd8
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC2-on.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeBC2-on.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="291.17914" />
+    <rect
+       y="291.44376"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#e6e6e6;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeBC3-off.file b/tools/source_icons/scalable/previewmodeBC3-off.file
new file mode 100644
index 000000000..1538e97f1
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC3-off.file
@@ -0,0 +1 @@
+previewmodeBC3-off.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeBC3-off.svg b/tools/source_icons/scalable/previewmodeBC3-off.svg
new file mode 100644
index 000000000..f8adf9626
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC3-off.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeBC3-off.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="0.10911272"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="294.88333" />
+    <rect
+       y="295.14795"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#777777;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeBC3-on.file b/tools/source_icons/scalable/previewmodeBC3-on.file
new file mode 100644
index 000000000..6dad52343
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC3-on.file
@@ -0,0 +1 @@
+previewmodeBC3-on.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeBC3-on.svg b/tools/source_icons/scalable/previewmodeBC3-on.svg
new file mode 100644
index 000000000..8e92c0b35
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeBC3-on.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeBC3-on.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="291.17914" />
+    <rect
+       y="291.44376"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#777777;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeF-off.file b/tools/source_icons/scalable/previewmodeF-off.file
new file mode 100644
index 000000000..420ff2d30
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeF-off.file
@@ -0,0 +1 @@
+previewmodeF-off.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeF-off.svg b/tools/source_icons/scalable/previewmodeF-off.svg
new file mode 100644
index 000000000..dd4f099b9
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeF-off.svg
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeF-off.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="294.88333" />
+    <rect
+       y="295.14795"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#88aa00;fill-opacity:0.94117647;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:1.47849023px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.03696226px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       x="0.60605097"
+       y="296.47083"
+       id="text7395"><tspan
+         sodipodi:role="line"
+         id="tspan7393"
+         x="0.60605097"
+         y="296.47083"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';stroke-width:0.03696226px">F</tspan></text>
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeF-on.file b/tools/source_icons/scalable/previewmodeF-on.file
new file mode 100644
index 000000000..64d9940b3
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeF-on.file
@@ -0,0 +1 @@
+previewmodeF-on.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeF-on.svg b/tools/source_icons/scalable/previewmodeF-on.svg
new file mode 100644
index 000000000..0b5ca90c5
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeF-on.svg
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeF-on.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="291.17914" />
+    <rect
+       y="291.44376"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#88aa00;fill-opacity:0.94117647;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:1.47849023px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.03696226px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       x="0.60605097"
+       y="292.76663"
+       id="text7395"><tspan
+         sodipodi:role="line"
+         id="tspan7393"
+         x="0.60605097"
+         y="292.76663"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';stroke-width:0.03696226px">F</tspan></text>
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeG-off.file b/tools/source_icons/scalable/previewmodeG-off.file
new file mode 100644
index 000000000..be2f098d4
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeG-off.file
@@ -0,0 +1 @@
+previewmodeG-off.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeG-off.svg b/tools/source_icons/scalable/previewmodeG-off.svg
new file mode 100644
index 000000000..29f08ebec
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeG-off.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeG-off.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:0.95679015;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="294.88333" />
+    <rect
+       y="295.14795"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#30d043;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeG-on.file b/tools/source_icons/scalable/previewmodeG-on.file
new file mode 100644
index 000000000..d6c82f803
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeG-on.file
@@ -0,0 +1 @@
+previewmodeG-on.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeG-on.svg b/tools/source_icons/scalable/previewmodeG-on.svg
new file mode 100644
index 000000000..4e5e19b56
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeG-on.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeG-on.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="291.17914" />
+    <rect
+       y="291.44376"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#30d043;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeL-off.file b/tools/source_icons/scalable/previewmodeL-off.file
new file mode 100644
index 000000000..7a743f2a3
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeL-off.file
@@ -0,0 +1 @@
+previewmodeL-off.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeL-off.svg b/tools/source_icons/scalable/previewmodeL-off.svg
new file mode 100644
index 000000000..ea9300e7a
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeL-off.svg
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeL-off.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="294.88333" />
+    <rect
+       y="295.14795"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#77777f;fill-opacity:0.94117647;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:1.47849023px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.03696226px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       x="0.60605097"
+       y="296.47083"
+       id="text7395"><tspan
+         sodipodi:role="line"
+         id="tspan7393"
+         x="0.60605097"
+         y="296.47083"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';stroke-width:0.03696226px">L</tspan></text>
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeL-on.file b/tools/source_icons/scalable/previewmodeL-on.file
new file mode 100644
index 000000000..e7b99191f
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeL-on.file
@@ -0,0 +1 @@
+previewmodeL-on.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeL-on.svg b/tools/source_icons/scalable/previewmodeL-on.svg
new file mode 100644
index 000000000..41cd85c07
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeL-on.svg
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeL-on.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="0.10911272"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="291.17914" />
+    <rect
+       y="291.44376"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#77777f;fill-opacity:0.94117647;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:1.47849023px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.03696226px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       x="0.60605097"
+       y="292.76663"
+       id="text7395"><tspan
+         sodipodi:role="line"
+         id="tspan7393"
+         x="0.60605097"
+         y="292.76663"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';stroke-width:0.03696226px">L</tspan></text>
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeR-off.file b/tools/source_icons/scalable/previewmodeR-off.file
new file mode 100644
index 000000000..a18cb0f3d
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeR-off.file
@@ -0,0 +1 @@
+previewmodeR-off.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeR-off.svg b/tools/source_icons/scalable/previewmodeR-off.svg
new file mode 100644
index 000000000..2bb60f3b6
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeR-off.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeR-off.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="294.88333" />
+    <rect
+       y="295.14795"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#d03030;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/tools/source_icons/scalable/previewmodeR-on.file b/tools/source_icons/scalable/previewmodeR-on.file
new file mode 100644
index 000000000..5901958fb
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeR-on.file
@@ -0,0 +1 @@
+previewmodeR-on.png,w8,actions
diff --git a/tools/source_icons/scalable/previewmodeR-on.svg b/tools/source_icons/scalable/previewmodeR-on.svg
new file mode 100644
index 000000000..0648c48b2
--- /dev/null
+++ b/tools/source_icons/scalable/previewmodeR-on.svg
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="8"
+   height="22"
+   viewBox="0 0 2.1166666 5.8208335"
+   version="1.1"
+   id="svg9027"
+   inkscape:version="0.92.1 r"
+   sodipodi:docname="previewmodeR-on.svg">
+  <defs
+     id="defs9021" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#484848"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="37.909091"
+     inkscape:cx="4"
+     inkscape:cy="11"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     units="px"
+     inkscape:pagecheckerboard="false"
+     borderlayer="false"
+     inkscape:showpageshadow="false"
+     showborder="true"
+     inkscape:snap-bbox="true"
+     inkscape:bbox-paths="true"
+     inkscape:snap-page="true"
+     inkscape:snap-bbox-edge-midpoints="true"
+     inkscape:bbox-nodes="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1023"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata9024">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.17915)">
+    <rect
+       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect10210"
+       width="2.1166666"
+       height="2.1166666"
+       x="0"
+       y="291.17914" />
+    <rect
+       y="291.44376"
+       x="0.26458332"
+       height="1.5875"
+       width="1.5875"
+       id="rect10216"
+       style="opacity:1;fill:#d03030;fill-opacity:1;stroke:none;stroke-width:0;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>