Add size indicator icon

graphics.qrc

@@ -37,5 +37,7 @@
         <file>img/configBlack/config.png</file>
         <file>img/configBlack/graphics.png</file>
         <file>img/configBlack/name_edition.png</file>
+        <file>img/buttonIconsBlack/size_indicator.png</file>
+        <file>img/buttonIconsWhite/size_indicator.png</file>
     </qresource>
 </RCC>

img/buttonIconsBlack/size_indicator.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
+    <path d="M0 0h24v24H0z" fill="none"/>
+    <path d="M21 6H3c-1.1 0-2 .9-2 2v8c0 1.1.9 2 2 2h18c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2zm0 10H3V8h2v4h2V8h2v4h2V8h2v4h2V8h2v4h2V8h2v8z"/>
+</svg>

img/buttonIconsWhite/size_indicator.svg

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<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="24"
+   height="24"
+   viewBox="0 0 24 24"
+   version="1.1"
+   id="svg6"
+   sodipodi:docname="size_indicator.svg"
+   inkscape:version="0.92+devel unknown">
+  <metadata
+     id="metadata12">
+    <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>
+  <defs
+     id="defs10" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     inkscape:document-rotation="0"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1328"
+     inkscape:window-height="739"
+     id="namedview8"
+     showgrid="false"
+     inkscape:zoom="7.792906"
+     inkscape:cx="19.848694"
+     inkscape:cy="6.1661095"
+     inkscape:window-x="38"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg6" />
+  <path
+     d="M0 0h24v24H0z"
+     fill="none"
+     id="path2"
+     style="fill:#ffffff" />
+  <path
+     d="M21 6H3c-1.1 0-2 .9-2 2v8c0 1.1.9 2 2 2h18c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2zm0 10H3V8h2v4h2V8h2v4h2V8h2v4h2V8h2v4h2V8h2v8z"
+     id="path4"
+     style="fill:#ffffff" />
+</svg>

src/config/buttonlistview.cpp

@@ -53,6 +53,10 @@ void ButtonListView::initButtonList() {
         QString color = bgColor.valueF() < 0.6 ? "White" : "Black";
         QString iconPath = QString(":/img/buttonIcons%1/%2")
                 .arg(color).arg(tool->getIconName());
+        if (t == CaptureButton::TYPE_SELECTIONINDICATOR) {
+            iconPath = QString(":/img/buttonIcons%1/size_indicator.png")
+                    .arg(color);
+        }
         buttonItem->setIcon(QIcon(iconPath));
 
         buttonItem->setFlags(Qt::ItemIsUserCheckable);