feat(StatusListView): Add new ListView, GridView and ScrollView components with tuned scrolling

* fix(StatusScrollView): use Flickable underhood to ScrollView issues

* feat(StatusListView): New listview component without twitches

* fix(StatusScrollView): Fix background positioning and sliders visibility

* feat(StatusGridView): Add GridView wrapper

src/StatusQ/Controls/StatusScrollBar.qml

@@ -4,9 +4,41 @@ import QtQuick.Controls 2.14 as T
 import StatusQ.Core 0.1
 import StatusQ.Core.Theme 0.1
 
+/*!
+   \qmltype StatusScrollView
+   \inherits ScrollBar
+   \inqmlmodule StatusQ.Core
+   \since StatusQ.Core 0.1
+   \brief Status custom ScrollBar component.
+
+   The \c StatusScrollBar can be used just like a plain ScrollBar. Function resolveVisibility can be used for decoration Flickable based components.
+
+   Example of how to use it:
+
+   \qml
+        ScrollBar.horizontal: StatusScrollBar {
+            policy: ScrollBar.AsNeeded
+            visible: resolveVisibility(policy, root.width, root.contentWidth)
+        }
+   \endqml
+
+   For a list of components available see StatusQ.
+*/
 T.ScrollBar {
     id: root
 
+    function resolveVisibility(policy, length, availableLength) {
+        switch (policy) {
+        case T.ScrollBar.AsNeeded:
+            return availableLength > length;
+        case T.ScrollBar.AlwaysOn:
+            return true;
+        case T.ScrollBar.AlwaysOff:
+        default:
+            return false;
+        }
+    }
+
     // TODO: add this sizes to Theme
     implicitWidth: 14
     implicitHeight: 14
@@ -14,8 +46,8 @@ T.ScrollBar {
     background: null
 
     contentItem: Rectangle {
-        color: root.hovered || root.active ? Theme.palette.primaryColor3 : Theme.palette.baseColor2
-        opacity: enabled ? 1.0 : 0.0
+        color: Theme.palette.primaryColor2
+        opacity: enabled && (root.hovered || root.active) ? 1.0 : 0.0
         radius: Math.min(width, height) / 2
 
         Behavior on opacity { NumberAnimation { duration: 100 } }

src/StatusQ/Core/StatusGridView.qml

@@ -0,0 +1,38 @@
+import QtQuick 2.14
+import QtQuick.Controls 2.14
+
+import StatusQ.Controls 0.1
+
+/*!
+   \qmltype StatusGridView
+   \inherits GridView
+   \inqmlmodule StatusQ.Core
+   \since StatusQ.Core 0.1
+   \brief GridView wrapper with tuned scrolling and custom scrollbars.
+
+   The \c StatusGridView can be used just like a plain GridView.
+
+   Example of how to use it:
+
+   \qml
+        StatusGridView {
+            id: GridView
+            anchors.fill: parent
+            model: someModel
+
+            delegate: DelegateItem {
+                ...
+            }
+        }
+   \endqml
+
+   For a Grid of components available see StatusQ.
+*/
+GridView {
+    id: root
+
+    clip: true
+    boundsBehavior: Flickable.StopAtBounds
+    maximumFlickVelocity: 2000
+    synchronousDrag: true
+}

src/StatusQ/Core/StatusListView.qml

@@ -0,0 +1,48 @@
+import QtQuick 2.14
+import QtQuick.Controls 2.14
+
+import StatusQ.Controls 0.1
+
+/*!
+   \qmltype StatusListView
+   \inherits ListView
+   \inqmlmodule StatusQ.Core
+   \since StatusQ.Core 0.1
+   \brief ListView wrapper with tuned scrolling and custom scrollbars.
+
+   The \c StatusListView can be used just like a plain ListView.
+
+   Example of how to use it:
+
+   \qml
+        StatusListView {
+            id: listView
+            anchors.fill: parent
+            model: someModel
+
+            delegate: DelegateItem {
+                ...
+            }
+        }
+   \endqml
+
+   For a list of components available see StatusQ.
+*/
+ListView {
+    id: root
+
+    clip: true
+    boundsBehavior: Flickable.StopAtBounds
+    maximumFlickVelocity: 2000
+    synchronousDrag: true
+
+    ScrollBar.horizontal: StatusScrollBar {
+        policy: ScrollBar.AsNeeded
+        visible: resolveVisibility(policy, root.width, root.contentWidth)
+    }
+
+    ScrollBar.vertical: StatusScrollBar {
+        policy: ScrollBar.AsNeeded
+        visible: resolveVisibility(policy, root.height, root.contentHeight)
+    }
+}

src/StatusQ/Core/StatusScrollView.qml

@@ -5,12 +5,12 @@ import StatusQ.Controls 0.1
 
 /*!
    \qmltype StatusScrollView
-   \inherits ScrollView
+   \inherits Flickable
    \inqmlmodule StatusQ.Core
    \since StatusQ.Core 0.1
-   \brief ScrollView wrapper with tuned flickable.
+   \brief ScrollView component based on a Flickable with padding and scrollbars.
 
-   The \c StatusScrollView can be used just like a plain ScrollView but with tuned scrolling parameters.
+   The \c StatusScrollView can be used just like a plain ScrollView but without ability to decarate existing Flickable.
 
    Example of how to use it:
 
@@ -20,29 +20,55 @@ import StatusQ.Controls 0.1
             anchors.fill: parent
 
             ColumnView {
-                width: scrollView.avaiulableWidth
+                width: scrollView.availableWidth
             }
         }
    \endqml
 
    For a list of components available see StatusQ.
 */
-ScrollView {
+Flickable {
     id: root
 
-    clip: true // NOTE: in Qt6 clip true will be default
-    background: null
+    // NOTE: this should be replaced with margins since Qt 5.15
+    property int padding: 8
+    property int topPadding: padding
+    property int bottomPadding: padding
+    property int leftPadding: padding
+    property int rightPadding: padding
 
-    ScrollBar.horizontal.policy: ScrollBar.AsNeeded
-    ScrollBar.vertical.policy: ScrollBar.AsNeeded
+    property Item background: null
 
-    Flickable {
-        id: flickable
+    readonly property int availableWidth: width - leftPadding - rightPadding
+    readonly property int availableHeight: height - topPadding - bottomPadding
 
-        contentWidth: contentItem.childrenRect.width
-        contentHeight: contentItem.childrenRect.height
-        boundsBehavior: Flickable.StopAtBounds
-        maximumFlickVelocity: 0
-        synchronousDrag: true
+    onBackgroundChanged: {
+        if (background) {
+            background.anchors.fill = root;
+        }
+    }
+
+    // NOTE: in Qt6 clip true will be default
+    clip: true
+    topMargin: topPadding
+    bottomMargin: bottomPadding
+    leftMargin: leftPadding
+    rightMargin: rightPadding
+    contentWidth: contentItem.childrenRect.width
+    contentHeight: contentItem.childrenRect.height
+    implicitWidth: contentWidth + leftPadding + rightPadding
+    implicitHeight: contentHeight + topPadding + bottomPadding
+    boundsBehavior: Flickable.StopAtBounds
+    maximumFlickVelocity: 2000
+    synchronousDrag: true
+
+    ScrollBar.horizontal: StatusScrollBar {
+        policy: ScrollBar.AsNeeded
+        visible: resolveVisibility(policy, root.width, root.contentWidth)
+    }
+
+    ScrollBar.vertical: StatusScrollBar {
+        policy: ScrollBar.AsNeeded
+        visible: resolveVisibility(policy, root.height, root.contentHeight)
     }
 }

src/StatusQ/Core/qmldir

@@ -12,4 +12,5 @@ StatusTooltipSettings 0.1 StatusTooltipSettings.qml
 StatusAppNavBarFilterModel 0.1 StatusAppNavBarFilterModel.qml
 StatusAnimatedStack 0.1 StatusAnimatedStack.qml
 StatusScrollView 0.1 StatusScrollView.qml
-
+StatusListView 0.1 StatusListView.qml
+StatusGridView 0.1 StatusGridView.qml