feat: add combobox component

AppComboBox.qml

@@ -0,0 +1,9 @@
+import QtQuick
+import QtQuick.Controls.Basic
+import QtQuick.Controls.impl // Needed for features like the Control.blend() function
+import DesignSystem
+
+ComboBox {
+  id: control
+  editable: true
+}

AppWindow.qml

@@ -17,6 +17,8 @@ ApplicationWindow {
         button: Theme.accent
         midlight: Theme.card
         light: Theme.secondaryText
+        highlight: Theme.muted
+        highlightedText: Theme.secondaryBackground
     }
 
     title: qsTr("Flowy")

CMakeLists.txt

@@ -23,6 +23,7 @@ set(plain_qml_files
   AppLabel.qml
   AppLogo.qml
   AppWindow.qml
+  AppComboBox.qml
 )
 set(qml_singletons
   Fonts.qml

gallery/Main.qml

@@ -80,5 +80,18 @@ AppWindow {
         buttons: MessageDialog.Ok
         text: "The document has been modified."
       }
+
+      AppComboBox {
+        model: ListModel {
+          id: model
+          ListElement { text: "Banana" }
+          ListElement { text: "Apple" }
+          ListElement { text: "Coconut" }
+        }
+        onAccepted: {
+          if (find(editText) === -1)
+          model.append({text: editText})
+        }
+      }
     }
 }