diff --git a/qml/ObjectLists.qml b/qml/ObjectLists.qml
index 727c22d..3683c43 100644
--- a/qml/ObjectLists.qml
+++ b/qml/ObjectLists.qml
@@ -37,30 +37,54 @@ ListView {
     delegate: ListView {
         id: objTypeList
         property string objType: objectListList.model[index]
+        property var editingRows: []
         model: Objects.currentObjects[objType]
         width: objectListList.width
         implicitHeight: contentItem.childrenRect.height
         visible: model != undefined && model.length > 0
+        interactive: false
         
         Component.onCompleted: objectListList.listViews[objType] = objTypeList // Listing in order to be refreshed
         
-        header: Text {
-            verticalAlignment: TextInput.AlignVCenter
-            color: sysPalette.windowText
-            text: Objects.types[objType].typeMultiple() + ":"
-            font.pixelSize: 20
-            visible: objTypeList.visible
+        header: Row {
+            width: typeHeaderText.width + typeVisibilityCheckBox.visible
             height: visible ? 20 : 0
+            visible: objTypeList.visible
+            
+            CheckBox {
+                id: typeVisibilityCheckBox
+                checked: Objects.currentObjects[objType] != undefined ? Objects.currentObjects[objType].every(obj => obj.visible) : true
+                onClicked: {
+                    console.log(Objects.currentObjects[objType].every(obj => obj.visible))
+                    Objects.currentObjects[objType].forEach(obj => obj.visible = this.checked)
+                    objTypeList.editingRows.forEach(obj => obj.objVisible = this.checked)
+                    objectListList.changed()
+                }
+                
+                ToolTip.visible: hovered
+                ToolTip.text: checked ? `Hide all ${Objects.types[objType].typeMultiple()}` : `Show all ${Objects.types[objType].typeMultiple()}`
+            }
+            
+            Text {
+                id: typeHeaderText
+                verticalAlignment: TextInput.AlignVCenter
+                color: sysPalette.windowText
+                text: Objects.types[objType].typeMultiple() + ":"
+                font.pixelSize: 20
+            }
         }
         
         delegate: Item {
             id: controlRow
             property var obj: Objects.currentObjects[objType][index]
+            property alias objVisible: objVisibilityCheckBox.checked
             height: 40
             width: objTypeList.width
             
+            Component.onCompleted: objTypeList.editingRows.push(controlRow)
+            
             CheckBox {
-                id: visibilityCheckBox
+                id: objVisibilityCheckBox
                 checked: Objects.currentObjects[objType][index].visible
                 anchors.verticalCenter: parent.verticalCenter
                 onClicked: {
@@ -75,7 +99,7 @@ ListView {
             
             Text {
                 id: objDescription
-                anchors.left: visibilityCheckBox.right
+                anchors.left: objVisibilityCheckBox.right
                 anchors.right: deleteButton.left
                 height: parent.height
                 verticalAlignment: TextInput.AlignVCenter
diff --git a/qml/icons/delete.svg b/qml/icons/delete.svg
new file mode 100644
index 0000000..bafff28
--- /dev/null
+++ b/qml/icons/delete.svg
@@ -0,0 +1,104 @@
+<?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="24.0px"
+   height="24.0px"
+   viewBox="0 0 24.0 24.0"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="delete.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2020-09-07)">
+  <defs
+     id="defs10" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="22.4"
+     inkscape:cx="34.185532"
+     inkscape:cy="11.508793"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     inkscape:document-rotation="0"
+     showgrid="true">
+    <inkscape:grid
+       type="xygrid"
+       id="grid19" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata13">
+    <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="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:#000000;stroke:none;stroke-width:1.55662"
+       id="rect26"
+       width="1"
+       height="14"
+       x="5"
+       y="8" />
+    <rect
+       style="fill:#000000;stroke:none;stroke-width:2.73862"
+       id="rect869"
+       width="20"
+       height="1"
+       x="2"
+       y="-7"
+       transform="scale(1,-1)" />
+    <rect
+       style="fill:#000000;stroke:none;stroke-width:0.474342"
+       id="rect871"
+       width="1"
+       height="2"
+       x="8"
+       y="3" />
+    <rect
+       style="fill:#000000;stroke:none;stroke-width:1.34164"
+       id="rect873"
+       width="8"
+       height="1"
+       x="8"
+       y="2" />
+    <rect
+       style="fill:#000000;stroke:none;stroke-width:0.500005"
+       id="rect875"
+       width="1"
+       height="2"
+       x="15"
+       y="3" />
+    <rect
+       style="fill:#000000;stroke:none;stroke-width:1.55662"
+       id="rect26-3"
+       width="1"
+       height="14"
+       x="18"
+       y="8" />
+    <rect
+       style="fill:#000000;stroke:none;stroke-width:0.981983"
+       id="rect894"
+       width="12"
+       height="1"
+       x="6"
+       y="21" />
+  </g>
+</svg>