Add root panel container types from Bootstrap 4.4. Deprecate current root panel builder functions and constructors.

59 files changed, 214 insertions, 92 deletions

diff --git a/src/main/kotlin/pl/treksoft/kvision/panel/Root.kt b/src/main/kotlin/pl/treksoft/kvision/panel/Root.kt
index b1bb36a8..b6f8ad0c 100644
--- a/src/main/kotlin/pl/treksoft/kvision/panel/Root.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/panel/Root.kt
@@ -34,6 +34,19 @@ import pl.treksoft.kvision.utils.snOpt
 import kotlin.browser.document
 
 /**
+ * Root container types.
+ */
+enum class ContainerType(internal val type: String) {
+    NONE(""),
+    FIXED("container"),
+    FLUID("container-fluid"),
+    SM("container-sm"),
+    MD("container-md"),
+    LG("container-lg"),
+    XL("container-xl")
+}
+
+/**
  * Root container.
  *
  * This container is bound to the specific element in the main HTML file of the project.
@@ -43,7 +56,8 @@ import kotlin.browser.document
 @Suppress("TooManyFunctions")
 class Root : SimplePanel {
 
-    private val fixed: Boolean
+    private val containerType: ContainerType
+    private val addRow: Boolean
     private val contextMenus: MutableList<Widget> = mutableListOf()
     private var rootVnode: VNode? = null
 
@@ -54,12 +68,19 @@ class Root : SimplePanel {
     /**
      * @constructor
      * @param id ID attribute of element in the main HTML file
-     * @param fixed if false, the container is rendered with Bootstrap "container-fluid" class,
-     * otherwise it's rendered with "container" class (default is false)
+     * @param containerType Bootstrap container type
+     * @param addRow if true, a <div class="row"> element is rendered inside the root
+     *        container (default is based on container type)
      * @param init an initializer extension function
      */
-    constructor(id: String, fixed: Boolean = false, init: (Root.() -> Unit)? = null) : super() {
-        this.fixed = fixed
+    constructor(
+        id: String,
+        containerType: ContainerType = ContainerType.FLUID,
+        addRow: Boolean = containerType != ContainerType.FIXED,
+        init: (Root.() -> Unit)? = null
+    ) : super() {
+        this.containerType = containerType
+        this.addRow = addRow
         if (document.getElementById(id) != null) {
             rootVnode = KVManager.patch(id, this.renderVNode())
         }
@@ -71,18 +92,61 @@ class Root : SimplePanel {
     /**
      * @constructor
      * @param element HTML element in the DOM tree
-     * @param fixed if false, the container is rendered with Bootstrap "container-fluid" class,
-     * otherwise it's rendered with "container" class (default is false)
+     * @param containerType Bootstrap container type
+     * @param addRow if true, a <div class="row"> element is rendered inside the root
+     *        container (default is based on container type)
      * @param init an initializer extension function
      */
-    constructor(element: HTMLElement, fixed: Boolean = false, init: (Root.() -> Unit)? = null) : super() {
-        this.fixed = fixed
+    constructor(
+        element: HTMLElement,
+        containerType: ContainerType = ContainerType.FLUID,
+        addRow: Boolean = containerType != ContainerType.FIXED,
+        init: (Root.() -> Unit)? = null
+    ) : super() {
+        this.containerType = containerType
+        this.addRow = addRow
         rootVnode = KVManager.patch(element, this.renderVNode())
         this.id = "kv_root_${counter++}"
         @Suppress("LeakingThis")
         init?.invoke(this)
     }
 
+    /**
+     * @constructor
+     * @param id ID attribute of element in the main HTML file
+     * @param fixed if false, the container is rendered with Bootstrap "container-fluid" class,
+     * otherwise it's rendered with "container" class (default is false)
+     * @param containerType Bootstrap container type
+     * @param addRow if true, a <div class="row"> element is rendered inside the root container
+     * @param init an initializer extension function
+     */
+    @Deprecated("Use constructor without fixed parameter")
+    constructor(
+        id: String,
+        fixed: Boolean = false,
+        containerType: ContainerType = if (fixed) ContainerType.FIXED else ContainerType.FLUID,
+        addRow: Boolean = !fixed,
+        init: (Root.() -> Unit)? = null
+    ) : this(id, containerType, addRow, init)
+
+    /**
+     * @constructor
+     * @param element HTML element in the DOM tree
+     * @param fixed if false, the container is rendered with Bootstrap "container-fluid" class,
+     * otherwise it's rendered with "container" class (default is false)
+     * @param containerType Bootstrap container type
+     * @param addRow if true, a <div class="row"> element is rendered inside the root container
+     * @param init an initializer extension function
+     */
+    @Deprecated("Use constructor without fixed parameter")
+    constructor(
+        element: HTMLElement,
+        fixed: Boolean = false,
+        containerType: ContainerType = if (fixed) ContainerType.FIXED else ContainerType.FLUID,
+        addRow: Boolean = !fixed,
+        init: (Root.() -> Unit)? = null
+    ) : this(element, containerType, addRow, init)
+
     init {
         roots.add(this)
         if (isFirstRoot) {
@@ -91,7 +155,7 @@ class Root : SimplePanel {
     }
 
     override fun render(): VNode {
-        return if (!fixed) {
+        return if (addRow) {
             render("div#$id", arrayOf(h("div", snOpt {
                 `class` = snClasses(listOf("row" to true))
             }, stylesVNodes() + childrenVNodes() + modalsVNodes() + contextMenusVNodes())))
@@ -138,8 +202,12 @@ class Root : SimplePanel {
     }
 
     override fun getSnClass(): List<StringBoolPair> {
-        val css = if (!fixed) "container-fluid" else "container"
-        return super.getSnClass() + (css to true)
+        return if (containerType == ContainerType.NONE) {
+            super.getSnClass()
+        } else {
+            super.getSnClass() + (containerType.type to true)
+        }
+
     }
 
     internal fun reRender(): Root {
@@ -222,14 +290,59 @@ class Root : SimplePanel {
 /**
  * Create new Root container based on ID
  * @param id ID attribute of element in the main HTML file
+ * @param containerType Bootstrap container type
+ * @param addRow if true, a <div class="row"> element is rendered inside the root
+ *               container (default is based on container type)
+ * @param init an initializer extension function
+ * @return the created Root container
+ */
+fun Application.root(
+    id: String,
+    containerType: ContainerType = ContainerType.FLUID,
+    addRow: Boolean = containerType != ContainerType.FIXED,
+    init: Root.() -> Unit
+): Root {
+    return Root(id, containerType, addRow, init)
+}
+
+/**
+ * Create new Root container based on HTML element
+ * @param element HTML element in the DOM tree
+ * @param containerType Bootstrap container type
+ * @param addRow if true, a <div class="row"> element is rendered inside the root
+ *               container (default is based on container type)
+ * @param init an initializer extension function
+ * @return the created Root container
+ */
+fun Application.root(
+    element: HTMLElement,
+    containerType: ContainerType = ContainerType.FLUID,
+    addRow: Boolean = containerType != ContainerType.FIXED,
+    init: Root.() -> Unit
+): Root {
+    return Root(element, containerType, addRow, init)
+}
+
+/**
+ * Create new Root container based on ID
+ * @param id ID attribute of element in the main HTML file
  * @param fixed if false, the container is rendered with Bootstrap "container-fluid" class,
  * otherwise it's rendered with "container" class (default is false)
+ * @param containerType Bootstrap container type
+ * @param addRow if true, a <div class="row"> element is rendered inside the root container
  * @param init an initializer extension function
  * @return the created Root container
  */
-@Suppress("unused")
-fun Application.root(id: String, fixed: Boolean = false, init: Root.() -> Unit): Root {
-    return Root(id, fixed, init)
+@Suppress("DEPRECATION")
+@Deprecated("Use builder function without fixed parameter")
+fun Application.root(
+    id: String,
+    fixed: Boolean = false,
+    containerType: ContainerType = if (fixed) ContainerType.FIXED else ContainerType.FLUID,
+    addRow: Boolean = !fixed,
+    init: Root.() -> Unit
+): Root {
+    return Root(id, fixed, containerType, addRow, init)
 }
 
 /**
@@ -237,10 +350,19 @@ fun Application.root(id: String, fixed: Boolean = false, init: Root.() -> Unit):
  * @param element HTML element in the DOM tree
  * @param fixed if false, the container is rendered with Bootstrap "container-fluid" class,
  * otherwise it's rendered with "container" class (default is false)
+ * @param containerType Bootstrap container type
+ * @param addRow if true, a <div class="row"> element is rendered inside the root container
  * @param init an initializer extension function
  * @return the created Root container
  */
-@Suppress("unused")
-fun Application.root(element: HTMLElement, fixed: Boolean = false, init: Root.() -> Unit): Root {
-    return Root(element, fixed, init)
+@Suppress("DEPRECATION")
+@Deprecated("Use builder function without fixed parameter")
+fun Application.root(
+    element: HTMLElement,
+    fixed: Boolean = false,
+    containerType: ContainerType = if (fixed) ContainerType.FIXED else ContainerType.FLUID,
+    addRow: Boolean = !fixed,
+    init: Root.() -> Unit
+): Root {
+    return Root(element, fixed, containerType, addRow, init)
 }
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
index 9da4dfb4..b975acfe 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
@@ -86,7 +86,7 @@ interface WSpec : DomSpec {
 
     fun runW(code: (widget: Widget, element: Element?) -> Unit) {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test")
             val widget = Widget()
             widget.id = "test_id"
             root.add(widget)
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/core/ContainerSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/core/ContainerSpec.kt
index 960a18b6..39f8f04c 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/core/ContainerSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/core/ContainerSpec.kt
@@ -34,7 +34,7 @@ class ContainerSpec : DomSpec {
     @Test
     fun add() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val container = SimplePanel()
             val child1 = Widget()
             child1.id = "child1"
@@ -52,7 +52,7 @@ class ContainerSpec : DomSpec {
     @Test
     fun addAll() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val container = SimplePanel()
             val child1 = Widget()
             child1.id = "child1"
@@ -69,7 +69,7 @@ class ContainerSpec : DomSpec {
     @Test
     fun remove() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val container = SimplePanel()
             val child1 = Widget()
             child1.id = "child1"
@@ -88,7 +88,7 @@ class ContainerSpec : DomSpec {
     @Test
     fun removeAll() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val container = SimplePanel()
             val child1 = Widget()
             child1.id = "child1"
@@ -107,7 +107,7 @@ class ContainerSpec : DomSpec {
     @Test
     fun getChildren() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val container = SimplePanel()
             val child1 = Widget()
             child1.id = "child1"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/core/StyleSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/core/StyleSpec.kt
index 33e08c1e..b069d1df 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/core/StyleSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/core/StyleSpec.kt
@@ -37,7 +37,7 @@ class StyleSpec : DomSpec {
     @Test
     fun render() {
         run {
-            Root("test", fixed = true) {
+            Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED) {
                 widget {
                     style {
                         margin = 2.px
@@ -59,7 +59,7 @@ class StyleSpec : DomSpec {
     @Test
     fun renderCustomClass() {
         run {
-            Root("test", fixed = true) {
+            Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED) {
                 widget {
                     style("customclass") {
                         margin = 2.px
@@ -80,7 +80,7 @@ class StyleSpec : DomSpec {
     @Test
     fun renderSubclass() {
         run {
-            Root("test", fixed = true) {
+            Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED) {
                 widget {
                     style("customclass") {
                         margin = 2.px
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/core/WidgetSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/core/WidgetSpec.kt
index 159df178..3eb84f4f 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/core/WidgetSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/core/WidgetSpec.kt
@@ -143,7 +143,7 @@ class WidgetSpec : WSpec {
     @Test
     fun getRoot() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val widget = Widget()
             root.add(widget)
             val r = widget.getRoot()
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/core/WidgetWrapperSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/core/WidgetWrapperSpec.kt
index 0c28c327..40ecbaa7 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/core/WidgetWrapperSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/core/WidgetWrapperSpec.kt
@@ -35,7 +35,7 @@ class WidgetWrapperSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val widget = Widget()
             val wrapper = WidgetWrapper(widget)
             wrapper.width = 100 to UNIT.em
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/FieldLabelSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/FieldLabelSpec.kt
index 5319d4bc..583fb2a3 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/FieldLabelSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/FieldLabelSpec.kt
@@ -32,7 +32,7 @@ class FieldLabelSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val fl = FieldLabel("input", "Label")
             root.add(fl)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/HelpTextSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/HelpTextSpec.kt
index 785f9a2c..c89532fa 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/HelpTextSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/HelpTextSpec.kt
@@ -32,7 +32,7 @@ class HelpTextSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val fl = HelpText("Form Error")
             root.add(fl)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/check/CheckBoxInputSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/check/CheckBoxInputSpec.kt
index 677a2b8e..eb24fcdc 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/check/CheckBoxInputSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/check/CheckBoxInputSpec.kt
@@ -32,7 +32,7 @@ class CheckBoxInputSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ci = CheckBoxInput(value = true).apply {
                 name = "name"
                 id = "idti"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/check/CheckBoxSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/check/CheckBoxSpec.kt
index 2c329ffa..35413723 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/check/CheckBoxSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/check/CheckBoxSpec.kt
@@ -33,7 +33,7 @@ class CheckBoxSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ci = CheckBox(value = true, label = "Label").apply {
                 name = "name"
                 style = CheckBoxStyle.DANGER
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioGroupInputSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioGroupInputSpec.kt
index 020ad529..e97bcc54 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioGroupInputSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioGroupInputSpec.kt
@@ -33,7 +33,7 @@ class RadioGroupInputSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ci = RadioGroupInput(options = listOf("a" to "A", "b" to "B"), value = "a").apply {
                 disabled = true
                 inline = true
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioGroupSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioGroupSpec.kt
index 77547977..ddf5eb3a 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioGroupSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioGroupSpec.kt
@@ -33,7 +33,7 @@ class RadioGroupSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ci = RadioGroup(options = listOf("a" to "A", "b" to "B"), value = "a", label = "Label").apply {
                 disabled = true
                 inline = true
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioInputSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioInputSpec.kt
index 5b4fe836..e137e312 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioInputSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioInputSpec.kt
@@ -32,7 +32,7 @@ class RadioInputSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ci = RadioInput(value = true).apply {
                 name = "name"
                 id = "idti"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioSpec.kt
index c709b548..90576e4e 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/check/RadioSpec.kt
@@ -33,7 +33,7 @@ class RadioSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ci = Radio(value = true, label = "Label", extraValue = "abc").apply {
                 name = "name"
                 style = RadioStyle.DANGER
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/range/RangeInputSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/range/RangeInputSpec.kt
index c7ea7f0b..bb91c350 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/range/RangeInputSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/range/RangeInputSpec.kt
@@ -32,7 +32,7 @@ class RangeInputSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ri = RangeInput(12, 10, 20, 2).apply {
                 name = "name"
                 id = "idri"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/range/RangeSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/range/RangeSpec.kt
index aaae7a12..1ec3dbf0 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/range/RangeSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/range/RangeSpec.kt
@@ -32,7 +32,7 @@ class RangeSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val range = Range(12, "name", 10, 20, 2, "Label").apply {
                 id = "idri"
                 disabled = true
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/select/SimpleSelectInputSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/select/SimpleSelectInputSpec.kt
index b2c77d10..e24431c0 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/select/SimpleSelectInputSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/select/SimpleSelectInputSpec.kt
@@ -32,7 +32,7 @@ class SimpleSelectInputSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val si = SimpleSelectInput(listOf("test1" to "Test 1", "test2" to "Test 2"), "test1", true).apply {
                 name = "name"
                 id = "idti"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/select/SimpleSelectSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/select/SimpleSelectSpec.kt
index db1c36f0..2959f080 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/select/SimpleSelectSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/select/SimpleSelectSpec.kt
@@ -32,7 +32,7 @@ class SimpleSelectSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val select =
                 SimpleSelect(listOf("test1" to "Test 1", "test2" to "Test 2"), "test1", true, "select", "Label").apply {
                     name = "name"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/text/PasswordSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/text/PasswordSpec.kt
index 5d6c2738..85652fb9 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/text/PasswordSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/text/PasswordSpec.kt
@@ -32,7 +32,7 @@ class PasswordSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ti = Password(value = "abc", label = "Label").apply {
                 placeholder = "place"
                 name = "name"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextAreaInputSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextAreaInputSpec.kt
index 815f12e7..be960556 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextAreaInputSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextAreaInputSpec.kt
@@ -32,7 +32,7 @@ class TextAreaInputSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ti = TextAreaInput(cols = 5, rows = 2, value = "abc").apply {
                 placeholder = "place"
                 name = "name"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextAreaSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextAreaSpec.kt
index 31b4baf2..ebd1580f 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextAreaSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextAreaSpec.kt
@@ -32,7 +32,7 @@ class TextAreaSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ti = TextArea(cols = 5, rows = 2, value = "abc", label = "Label").apply {
                 placeholder = "place"
                 name = "name"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextInputSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextInputSpec.kt
index 6d21ab14..879c0d11 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextInputSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextInputSpec.kt
@@ -33,7 +33,7 @@ class TextInputSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ti = TextInput(type = TextInputType.PASSWORD, value = "abc").apply {
                 placeholder = "place"
                 name = "name"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextSpec.kt
index 02ba7643..c2f9986f 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/form/text/TextSpec.kt
@@ -32,7 +32,7 @@ class TextSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val ti = Text(value = "abc", label = "Label").apply {
                 placeholder = "place"
                 name = "name"
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/BoldSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/BoldSpec.kt
index f37d68d5..f73b58f3 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/BoldSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/BoldSpec.kt
@@ -32,7 +32,7 @@ class BoldSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val bold = Bold("Bold text")
             root.add(bold)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/ButtonSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/ButtonSpec.kt
index e807bfd5..b29a33e1 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/ButtonSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/ButtonSpec.kt
@@ -34,7 +34,7 @@ class ButtonSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val button = Button("Cancel", "fas fa-bars", ButtonStyle.PRIMARY)
             button.size = ButtonSize.LARGE
             button.block = true
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/CanvasSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/CanvasSpec.kt
index f30872ca..f897ceba 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/CanvasSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/CanvasSpec.kt
@@ -32,7 +32,7 @@ class CanvasSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val canvas = Canvas(800, 600)
             root.add(canvas)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/CustomTagSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/CustomTagSpec.kt
index d1261fa6..a7d16c1c 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/CustomTagSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/CustomTagSpec.kt
@@ -33,7 +33,7 @@ class CustomTagSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val tag = CustomTag("custom-element", "This is <b>custom element</b>", rich = false, align = Align.CENTER)
             root.add(tag)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/DivSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/DivSpec.kt
index 528fc0ae..499d8f4e 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/DivSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/DivSpec.kt
@@ -32,7 +32,7 @@ class DivSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val div = Div("This is a div")
             root.add(div)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/FooterSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/FooterSpec.kt
index 69819203..92730f77 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/FooterSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/FooterSpec.kt
@@ -32,7 +32,7 @@ class FooterSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val footer = Footer("This is a footer")
             root.add(footer)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/H1Spec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/H1Spec.kt
index bd0c69b6..4034bf3b 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/H1Spec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/H1Spec.kt
@@ -32,7 +32,7 @@ class H1Spec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val h1 = H1("This is h1 header")
             root.add(h1)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/H2Spec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/H2Spec.kt
index 5ec2a666..5d430a18 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/H2Spec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/H2Spec.kt
@@ -32,7 +32,7 @@ class H2Spec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val h2 = H2("This is h2 header")
             root.add(h2)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/H3Spec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/H3Spec.kt
index f85ede34..393861d8 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/H3Spec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/H3Spec.kt
@@ -32,7 +32,7 @@ class H3Spec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val h3 = H3("This is h3 header")
             root.add(h3)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/H4Spec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/H4Spec.kt
index ce52282b..b475cbbd 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/H4Spec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/H4Spec.kt
@@ -32,7 +32,7 @@ class H4Spec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val h4 = H4("This is h4 header")
             root.add(h4)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/H5Spec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/H5Spec.kt
index 029a692f..96ad5922 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/H5Spec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/H5Spec.kt
@@ -32,7 +32,7 @@ class H5Spec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val h5 = H5("This is h5 header")
             root.add(h5)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/H6Spec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/H6Spec.kt
index 06a851e0..4624c6ac 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/H6Spec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/H6Spec.kt
@@ -32,7 +32,7 @@ class H6Spec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val div = H1("This is h1 header")
             root.add(div)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/HeaderSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/HeaderSpec.kt
index 1b33adcc..f67d2738 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/HeaderSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/HeaderSpec.kt
@@ -32,7 +32,7 @@ class HeaderSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val header = Header("This is a header")
             root.add(header)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/IconSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/IconSpec.kt
index 9a63c68e..d158d9f8 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/IconSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/IconSpec.kt
@@ -32,7 +32,7 @@ class IconSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val icon = Icon("fas fa-check")
             root.add(icon)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/IframeSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/IframeSpec.kt
index 69051f92..7cb00a34 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/IframeSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/IframeSpec.kt
@@ -33,7 +33,7 @@ class IframeSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val iframe = Iframe("https://www.google.com", null, "test", 800, 600, setOf(Sandbox.ALLOWSAMEORIGIN))
             root.add(iframe)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/ImageSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/ImageSpec.kt
index a3ac9d66..c2037b64 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/ImageSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/ImageSpec.kt
@@ -34,7 +34,7 @@ class ImageSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val res = require("img/placeholder.png")
             @Suppress("UnsafeCastFromDynamic")
             val image = Image(res, "Image", true, ImageShape.ROUNDED, true)
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/LinkSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/LinkSpec.kt
index 88869cf4..b28f0617 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/LinkSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/LinkSpec.kt
@@ -32,7 +32,7 @@ class LinkSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val link = Link("Google", "http://www.google.com")
             root.add(link)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/ListSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/ListSpec.kt
index bf52f1dc..622b11e5 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/ListSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/ListSpec.kt
@@ -35,7 +35,7 @@ class ListSpec : DomSpec {
     @Test
     fun renderElements() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val list = ListTag(ListType.DL_HORIZ, listOf("a1", "a2", "b1", "b2"))
             root.add(list)
             val element = document.getElementById("test")
@@ -50,7 +50,7 @@ class ListSpec : DomSpec {
     @Test
     fun renderAsContainer() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val list = ListTag(ListType.UL)
             list.add(Tag(TAG.PRE, "pre"))
             list.add(Tag(TAG.DEL, "del"))
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/PSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/PSpec.kt
index 0ab9c5bc..3ff8b115 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/PSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/PSpec.kt
@@ -32,7 +32,7 @@ class PSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val par = P("This is a paragraph")
             root.add(par)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/SectionSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/SectionSpec.kt
index fa987d05..d5b28d41 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/SectionSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/SectionSpec.kt
@@ -32,7 +32,7 @@ class SectionSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val section = Section("This is a section")
             root.add(section)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/SpanSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/SpanSpec.kt
index 88604b5e..e63e1041 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/SpanSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/SpanSpec.kt
@@ -32,7 +32,7 @@ class SpanSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val span = Span("This is a label")
             root.add(span)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/html/TagSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/html/TagSpec.kt
index b6017804..2d9c8c48 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/html/TagSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/html/TagSpec.kt
@@ -35,7 +35,7 @@ class TagSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val tag = Tag(TAG.H1, "This is <b>h1</b>", rich = false, align = Align.CENTER)
             root.add(tag)
             val element = document.getElementById("test")
@@ -50,7 +50,7 @@ class TagSpec : DomSpec {
     @Test
     fun renderRich() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val tag = Tag(TAG.H1, "This is <b>h1</b>", rich = true, align = Align.RIGHT)
             root.add(tag)
             val element = document.getElementById("test")
@@ -65,7 +65,7 @@ class TagSpec : DomSpec {
     @Test
     fun renderAsContainer() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val tag = Tag(TAG.P, align = Align.RIGHT)
             tag.add(Tag(TAG.DEL, "This is test"))
             tag.add(Link("abc", "/x"))
@@ -82,7 +82,7 @@ class TagSpec : DomSpec {
     @Test
     fun renderUnaryPlus() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val tag = Tag(TAG.H1, rich = true) {
                 +"This is <b>h1</b>"
             }
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/panel/DockPanelSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/panel/DockPanelSpec.kt
index 5684120d..86fb2c8c 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/panel/DockPanelSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/panel/DockPanelSpec.kt
@@ -34,7 +34,7 @@ class DockPanelSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val dockPanel = DockPanel()
             root.add(dockPanel)
             dockPanel.add(Span("abc"), Side.UP)
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/panel/FieldsetPanelSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/panel/FieldsetPanelSpec.kt
index 4e802add..d46f3e96 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/panel/FieldsetPanelSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/panel/FieldsetPanelSpec.kt
@@ -33,7 +33,7 @@ class FieldsetPanelSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val fieldSet = FieldsetPanel("Legend") {
                 div("Lorem ipsum")
             }
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/panel/FlexPanelSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/panel/FlexPanelSpec.kt
index b897fef2..9ef5f6a4 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/panel/FlexPanelSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/panel/FlexPanelSpec.kt
@@ -35,7 +35,7 @@ class FlexPanelSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val flexPanel = FlexPanel(FlexDir.ROWREV, justify = FlexJustify.SPACEEVENLY)
             root.add(flexPanel)
             flexPanel.add(Span("abc"), 1)
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/panel/GridPanelSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/panel/GridPanelSpec.kt
index d7d9beb7..87090479 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/panel/GridPanelSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/panel/GridPanelSpec.kt
@@ -33,7 +33,7 @@ class GridPanelSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val gridPanel = GridPanel()
             root.add(gridPanel)
             gridPanel.add(Span("abc"), 1, 1)
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/panel/HPanelSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/panel/HPanelSpec.kt
index c53b2e57..025a0598 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/panel/HPanelSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/panel/HPanelSpec.kt
@@ -34,7 +34,7 @@ class HPanelSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val hPanel = HPanel(justify = FlexJustify.SPACEBETWEEN)
             root.add(hPanel)
             hPanel.add(Span("abc"), 1)
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/panel/RootSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/panel/RootSpec.kt
index 474b1d6a..14743ee2 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/panel/RootSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/panel/RootSpec.kt
@@ -41,7 +41,7 @@ class RootSpec : DomSpec {
     @Test
     fun getSnClassFluid() {
         run {
-            Root("test", fixed = true)
+            Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val rootElem = document.getElementById("test")
             assertTrue("Fluid root child has correct css class") { rootElem?.className == "container" }
         }
@@ -50,7 +50,7 @@ class RootSpec : DomSpec {
     @Test
     fun getRoot() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val r = root.getRoot()
             assertTrue("Should return self") { r == root }
         }
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/panel/SplitPanelSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/panel/SplitPanelSpec.kt
index 94ed165a..dd282d85 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/panel/SplitPanelSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/panel/SplitPanelSpec.kt
@@ -34,7 +34,7 @@ class SplitPanelSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val splitPanel = SplitPanel(Direction.VERTICAL)
             root.add(splitPanel)
             val label1 = Span("abc")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/panel/StackPanelSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/panel/StackPanelSpec.kt
index 8a1ce795..4675164f 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/panel/StackPanelSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/panel/StackPanelSpec.kt
@@ -33,7 +33,7 @@ class StackPanelSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val stackPanel = StackPanel()
             root.add(stackPanel)
             val label1 = Span("abc")
@@ -48,7 +48,7 @@ class StackPanelSpec : DomSpec {
     @Test
     fun renderNotActivateLast() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val stackPanel = StackPanel(activateLast = false)
             root.add(stackPanel)
             val label1 = Span("abc")
@@ -67,7 +67,7 @@ class StackPanelSpec : DomSpec {
     @Test
     fun remove() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val stackPanel = StackPanel(activateLast = false)
             root.add(stackPanel)
             val label1 = Span("abc")
@@ -83,7 +83,7 @@ class StackPanelSpec : DomSpec {
     @Test
     fun removeAll() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val stackPanel = StackPanel(activateLast = false)
             root.add(stackPanel)
             val label1 = Span("abc")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/panel/VPanelSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/panel/VPanelSpec.kt
index 5bed89f1..22d6b768 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/panel/VPanelSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/panel/VPanelSpec.kt
@@ -34,7 +34,7 @@ class VPanelSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val vPanel = VPanel(justify = FlexJustify.SPACEBETWEEN)
             root.add(vPanel)
             vPanel.add(Span("abc"), 1)
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/state/StateBindingSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/state/StateBindingSpec.kt
index 940fd2cd..9975110f 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/state/StateBindingSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/state/StateBindingSpec.kt
@@ -37,7 +37,7 @@ class StateBindingSpec : DomSpec {
     @Test
     fun bind() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val container = SimplePanel()
             val observableList = observableListOf(1, 2, 3)
             container.bind(observableList) { state ->
@@ -66,7 +66,7 @@ class StateBindingSpec : DomSpec {
     @Test
     fun stateBinding() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val container = SimplePanel()
             val observableList = observableListOf(1, 2, 3)
             container.stateBinding(observableList) { state ->
@@ -94,7 +94,7 @@ class StateBindingSpec : DomSpec {
     @Test
     fun stateUpdate() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val container = SimplePanel()
             val observableList = observableListOf(1)
             container.stateUpdate(observableList) { state ->
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/table/CellSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/table/CellSpec.kt
index 582212bd..b670228f 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/table/CellSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/table/CellSpec.kt
@@ -32,7 +32,7 @@ class CellSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val cell = Cell("This is a cell")
             root.add(cell)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/table/HeaderCellSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/table/HeaderCellSpec.kt
index 40f25a66..5b8eb75d 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/table/HeaderCellSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/table/HeaderCellSpec.kt
@@ -32,7 +32,7 @@ class HeaderCellSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val cell = HeaderCell("This is a header cell")
             root.add(cell)
             val element = document.getElementById("test")
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/table/RowSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/table/RowSpec.kt
index 8f80f465..0a10ff98 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/table/RowSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/table/RowSpec.kt
@@ -33,7 +33,7 @@ class RowSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val row = Row {
                 cell("A")
             }
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/table/TableSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/table/TableSpec.kt
index e81e539d..3e8c788e 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/table/TableSpec.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/table/TableSpec.kt
@@ -36,7 +36,7 @@ class TableSpec : DomSpec {
     @Test
     fun render() {
         run {
-            val root = Root("test", fixed = true)
+            val root = Root("test", containerType = pl.treksoft.kvision.panel.ContainerType.FIXED)
             val table = Table(listOf("a", "b")) {
                 row {
                     cell("A")