A system of translations into different languages has been implemented. Added translations into Russian. Various UI fixes for valid internationalization

qml/Controls/BusyIndicator.qml

@@ -0,0 +1,57 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+
+import Utils 1.0
+
+BusyIndicator {
+    id: control
+    running: true
+    implicitWidth: 86
+    implicitHeight: 86
+
+    contentItem: Item {
+        id: item
+        width: parent.width
+        height: parent.height
+        opacity: control.running ? 1 : 0
+
+        Behavior on opacity {
+            OpacityAnimator {
+                duration: 250
+            }
+        }
+
+        RotationAnimator {
+            target: item
+            running: control.visible && control.running
+            from: 0
+            to: 360
+            loops: Animation.Infinite
+            duration: 5000
+        }
+
+        Repeater {
+            id: repeater
+            model: 6
+
+            Rectangle {
+                x: item.width / 2 - width / 2
+                y: item.height / 2 - height / 2
+                implicitWidth: 12
+                implicitHeight: 12
+                radius: 6
+                color: Palette.alternativeBackgroundColor
+                transform: [
+                    Translate {
+                        y: -Math.min(item.width, item.height) * 0.5 + 6
+                    },
+                    Rotation {
+                        angle: index / repeater.count * 360
+                        origin.x: 6
+                        origin.y: 6
+                    }
+                ]
+            }
+        }
+    }
+}

qml/Controls/Button.qml

@@ -15,6 +15,8 @@ Button {
         horizontalAlignment: Text.AlignHCenter
         verticalAlignment: Text.AlignVCenter
         elide: Text.ElideRight
+        maximumLineCount: 2
+        wrapMode: Text.Wrap
     }
 
     background: Rectangle {

qml/Controls/Label.qml

@@ -1,5 +0,0 @@
-import QtQuick 2.0
-
-Item {
-
-}

qml/Controls/LineSeparator.qml

@@ -5,13 +5,15 @@ import Utils 1.0
 
 Shape {
     id: shape
+    implicitWidth: 1
     implicitHeight: 1
+    property bool horizontal: true
 
     ShapePath {
         strokeColor: Palette.borderColor
         strokeStyle: ShapePath.SolidLine
         startX: 0
         startY: 0
-        PathLine { x: shape.width; y: 0 }
+        PathLine { x: horizontal ? shape.width : 0; y: horizontal ? 0 : shape.height }
     }
 }

qml/Controls/MenuItemDelegate.qml

@@ -0,0 +1,59 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+import QtQuick.Layouts 1.12
+import QtGraphicalEffects 1.0
+
+import Utils 1.0
+
+ItemDelegate {
+    id: control
+    implicitHeight: 52
+    padding: 0
+    leftPadding: control.minimized ? 0 : 40
+    font.weight: Font.Bold
+    icon.color: "transparent"
+    icon.width: 24
+    icon.height: 24
+
+    property bool minimized: false
+
+    contentItem: RowLayout {
+        spacing: control.minimized ? 0 : 25
+
+        Item {
+            visible: control.minimized
+            Layout.fillWidth: true
+        }
+
+        Image {
+            source: control.icon.source
+            sourceSize.width: control.icon.width
+            sourceSize.height: control.icon.height
+            Layout.alignment: Qt.AlignCenter
+
+            ColorOverlay {
+                anchors.fill: parent
+                source: parent
+                color: icon.color
+                visible: icon.color !== "transparent"
+            }
+        }
+
+        Label {
+            text: control.text
+            font: control.font
+            color: Palette.alternativeTextColor
+            visible: !control.minimized
+            Layout.alignment: Qt.AlignLeft | Qt.AlignVCenter
+        }
+
+        Item {
+            Layout.fillWidth: true
+        }
+    }
+
+    background: Rectangle {
+        color: control.pressed ? Palette.pressedButtonColor :
+                                 control.hovered ? Palette.hoveredButtonColor : Palette.buttonColor
+    }
+}

qml/Controls/OutlineButton.qml

@@ -15,6 +15,8 @@ Button {
         horizontalAlignment: Text.AlignHCenter
         verticalAlignment: Text.AlignVCenter
         elide: Text.ElideRight
+        maximumLineCount: 2
+        wrapMode: Text.Wrap
     }
 
     background: Rectangle {

qml/Controls/PaneItem.qml

@@ -1,5 +0,0 @@
-import QtQuick 2.0
-
-Item {
-
-}

qml/Controls/TextArea.qml

@@ -6,6 +6,6 @@ import Utils 1.0
 TextArea {
     color: Palette.textColor
     selectByMouse: true
-    selectionColor: Palette.alternativeBackgroundColor
+    selectionColor: Palette.selectedTextBackgroundColor
     font.pixelSize: 16
 }

qml/Controls/TextField.qml

@@ -7,7 +7,7 @@ TextField {
     implicitHeight: 58
     color: Palette.textColor
     selectByMouse: true
-    selectionColor: Palette.alternativeBackgroundColor
+    selectionColor: Palette.selectedTextBackgroundColor
 
     background: Rectangle {
         color: enabled ? Palette.backgroundColor : Palette.hoveredBackgroundColor

qml/Controls/qmldir

@@ -1,7 +1,5 @@
 module Controls
-Label 1.0 Label.qml
 ComboBox 1.0 ComboBox.qml
-PaneItem 1.0 PaneItem.qml
 ScrollBar 1.0 ScrollBar.qml
 Button 1.0 Button.qml
 OutlineButton 1.0 OutlineButton.qml
@@ -22,3 +20,5 @@ ChartView 1.0 ChartView.qml
 TextArea 1.0 TextArea.qml
 DialogHeader 1.0 DialogHeader.qml
 DialogBackground 1.0 DialogBackground.qml
+BusyIndicator 1.0 BusyIndicator.qml
+MenuItemDelegate 1.0 MenuItemDelegate.qml