Allow creating a new tab from the top bar. Fix application title.

app/qml/TerminalTabs.qml

@@ -24,14 +24,15 @@ import QtQuick.Layouts
 Item {
     id: tabsRoot
 
-    readonly property string title: stack.currentItem ? stack.currentItem.title : ""
+    readonly property int innerPadding: 6
+    readonly property string currentTitle: tabsModel.get(currentIndex).title ?? "cool-retro-term"
     readonly property size terminalSize: stack.currentItem ? stack.currentItem.terminalSize : Qt.size(0, 0)
     property alias currentIndex: tabBar.currentIndex
     readonly property int count: tabsModel.count
     property var hostWindow
 
     function addTab() {
-        tabsModel.append({ title: qsTr("Tab %1").arg(tabsModel.count + 1) })
+        tabsModel.append({ title: "" })
         tabBar.currentIndex = tabsModel.count - 1
     }
 
@@ -42,9 +43,7 @@ Item {
         }
 
         tabsModel.remove(index)
-        if (tabBar.currentIndex >= tabsModel.count) {
+        tabBar.currentIndex = Math.min(tabBar.currentIndex, tabsModel.count - 1)
-            tabBar.currentIndex = tabsModel.count - 1
-        }
     }
 
     ListModel {
@@ -57,15 +56,23 @@ Item {
         anchors.fill: parent
         spacing: 0
 
+        Rectangle {
+            id: tabRow
+            Layout.fillWidth: true
+            height: rowLayout.implicitHeight
+            color: palette.window
+            visible: tabsModel.count > 1
+
+            RowLayout {
+                id: rowLayout
+                anchors.fill: parent
+                spacing: 0
+
                 TabBar {
                     id: tabBar
                     Layout.fillWidth: true
+                    Layout.fillHeight: true
                     focusPolicy: Qt.NoFocus
-            visible: tabsModel.count > 1
-
-            background: Rectangle {
-                color: palette.window
-            }
 
                     Repeater {
                         model: tabsModel
@@ -73,8 +80,8 @@ Item {
                             id: tabButton
                             contentItem: RowLayout {
                                 anchors.fill: parent
-                        anchors { leftMargin: 6; rightMargin: 6 }
+                                anchors { leftMargin: innerPadding; rightMargin: innerPadding }
-                        spacing: 6
+                                spacing: innerPadding
 
                                 Label {
                                     text: model.title
@@ -86,8 +93,7 @@ Item {
                                 ToolButton {
                                     text: "\u00d7"
                                     focusPolicy: Qt.NoFocus
-                            visible: tabsModel.count > 1
+                                    padding: innerPadding
-                            enabled: visible
                                     Layout.alignment: Qt.AlignVCenter
                                     onClicked: tabsRoot.closeTab(index)
                                 }
@@ -96,6 +102,18 @@ Item {
                     }
                 }
 
+                ToolButton {
+                    id: addTabButton
+                    text: "+"
+                    focusPolicy: Qt.NoFocus
+                    Layout.fillHeight: true
+                    padding: innerPadding
+                    Layout.alignment: Qt.AlignVCenter
+                    onClicked: tabsRoot.addTab()
+                }
+            }
+        }
+
         StackLayout {
             id: stack
             Layout.fillWidth: true
@@ -111,10 +129,9 @@ Item {
                             activate()
                         }
                     }
-
+                    onTitleChanged: tabsModel.setProperty(index, "title", title)
                     Layout.fillWidth: true
                     Layout.fillHeight: true
-                    onTitleChanged: tabsModel.setProperty(index, "title", title)
                     onSessionFinished: tabsRoot.closeTab(index)
                 }
             }

app/qml/TerminalWindow.qml

@@ -72,7 +72,7 @@ ApplicationWindow {
 
     color: "#00000000"
 
-    title: terminalTabs.title || qsTr(appSettings.wintitle)
+    title: terminalTabs.currentTitle
 
     Action {
         id: showMenubarAction