feat(StatusChatList): introduce popupMenu property

Chat list items can open a context on right click as well, so `StatusChatList`
needs to provide an API for users to pass down a `StatusPopupMenu` accordingly.

This is now possible with a dedicated `popupMenu` proporty that can be
used as follows:

```qml
StatusChatList {
    ...
    popupMenu: StatusPopupMenu {

        property string chatId

        openHandler: function () {
            ...
        }

        StatusMenuItem {
            ...
        }
        ...
    }
}
```

As will all `popupMenu` properties in StatusQ component, having this explicit API
option enables us to have control over how triggering components (in this case chat
list items) behave when they open a context menu (e.g. keeping them highlighted as long
as the menu is active).

When defining a `chatId` property, `StatusChatList` will hydrate it with the id of
the chat list item that has triggered the menu.

If there's more logic to be executed upon opening the menu, `openHandler` serves
as a hook similar to other popup menus. Inside the hook, users have access to the
specific `chatId`.

Closes #171

ui/StatusQ/sandbox/DemoApp.qml

@@ -181,6 +181,7 @@ Rectangle {
 
                     chatListItems.model: demoChatListItems
                     selectedChatId: "0"
+
                     onChatItemSelected: selectedChatId = id
                     onChatItemUnmuted: {
                         for (var i = 0; i < demoChatListItems.count; i++) {
@@ -190,6 +191,41 @@ Rectangle {
                             }
                         }
                     }
+
+                    popupMenu: StatusPopupMenu {
+
+                        property string chatId
+
+                        StatusMenuItem {
+                            text: "View Profile"
+                            icon.name: "group-chat"
+                        }
+
+                        StatusMenuSeparator {}
+
+                        StatusMenuItem {
+                            text: "Mute chat"
+                            icon.name: "notification"
+                        }
+
+                        StatusMenuItem {
+                            text: "Mark as Read"
+                            icon.name: "checkmark-circle"
+                        }
+
+                        StatusMenuItem {
+                            text: "Clear history"
+                            icon.name: "close-circle"
+                        }
+
+                        StatusMenuSeparator {}
+
+                        StatusMenuItem {
+                            text: "Delete chat"
+                            icon.name: "delete"
+                            type: StatusMenuItem.Type.Danger
+                        }
+                    }
                 }
             }
 
@@ -334,6 +370,33 @@ Rectangle {
                             }
                         }
 
+                        chatListPopupMenu: StatusPopupMenu {
+
+                            property string chatId
+
+                            StatusMenuItem {
+                                text: "Mute chat"
+                                icon.name: "notification"
+                            }
+
+                            StatusMenuItem {
+                                text: "Mark as Read"
+                                icon.name: "checkmark-circle"
+                            }
+
+                            StatusMenuItem {
+                                text: "Clear history"
+                                icon.name: "close-circle"
+                            }
+
+                            StatusMenuSeparator {}
+
+                            StatusMenuItem {
+                                text: "Delete chat"
+                                icon.name: "delete"
+                                type: StatusMenuItem.Type.Danger
+                            }
+                        }
 
                         popupMenu: StatusPopupMenu {
                             StatusMenuItem {

ui/StatusQ/src/StatusQ/Components/StatusChatList.qml

@@ -15,15 +15,24 @@ Column {
     property string selectedChatId: ""
     property alias chatListItems: statusChatListItems
 
+    property Component popupMenu
+
     property var filterFn
 
     signal chatItemSelected(string id)
     signal chatItemUnmuted(string id)
 
+    onPopupMenuChanged: {
+        if (!!popupMenu) {
+            popupMenuSlot.sourceComponent = popupMenu
+        }
+    }
+
     Repeater {
         id: statusChatListItems
         delegate: StatusChatListItem {
-            chatId: model.chatId
+            id: statusChatListItem
+            chatId: model.chatId || model.id
             name: model.name
             type: model.chatType
             muted: !!model.muted
@@ -35,8 +44,36 @@ Column {
             icon.color: model.color || ""
             image.source: model.identicon || ""
 
-            onClicked: statusChatList.chatItemSelected(model.chatId)
-            onUnmute: statusChatList.chatItemUnmuted(model.chatId)
+            onClicked: {
+                if (mouse.button === Qt.RightButton && !!statusChatList.popupMenu) {
+                    highlighted = true
+
+                    let originalOpenHandler = popupMenuSlot.item.openHandler
+                    let originalCloseHandler = popupMenuSlot.item.closeHandler
+
+                    popupMenuSlot.item.openHandler = function () {
+                        if (popupMenuSlot.item.hasOwnProperty('chatId')) {
+                            popupMenuSlot.item.chatId = model.chatId || model.id
+                        }
+                        if (!!originalOpenHandler) {
+                            originalOpenHandler()
+                        }
+                    }
+
+                    popupMenuSlot.item.closeHandler = function () {
+                        highlighted = false
+                        if (!!originalCloseHandler) {
+                            originalCloseHandler()
+                        }
+                    }
+
+                    popupMenuSlot.item.popup(mouse.x + 4, statusChatListItem.y + mouse.y + 6)
+                    popupMenuSlot.item.openHandler = originalOpenHandler
+                    return
+                }
+                statusChatList.chatItemSelected(model.chatId || model.id)
+            }
+            onUnmute: statusChatList.chatItemUnmuted(model.chatId || model.id)
             visible: {
                 if (!!statusChatList.filterFn) {
                     return statusChatList.filterFn(model, statusChatList.categoryId)
@@ -45,4 +82,9 @@ Column {
             }
         }
     }
+
+    Loader {
+        id: popupMenuSlot
+        active: !!statusChatList.popupMenu
+    }
 }

ui/StatusQ/src/StatusQ/Components/StatusChatListAndCategories.qml

@@ -17,6 +17,7 @@ Item {
     property alias sensor: sensor
 
     property Component categoryPopupMenu
+    property Component chatListPopupMenu
     property Component popupMenu
 
     signal chatItemSelected(string id)
@@ -76,6 +77,7 @@ Item {
                     chatList.onChatItemSelected: statusChatListAndCategories.chatItemSelected(id)
 
                     popupMenu: statusChatListAndCategories.categoryPopupMenu
+                    chatListPopupMenu: statusChatListAndCategories.chatListPopupMenu
                 }
             }
         }

ui/StatusQ/src/StatusQ/Components/StatusChatListCategory.qml

@@ -18,6 +18,7 @@ Column {
     property alias toggleButton: statusChatListCategoryItem.toggleButton
     property alias chatList: statusChatList
 
+    property Component chatListPopupMenu
     property Component popupMenu
 
     onPopupMenuChanged: {
@@ -59,6 +60,8 @@ Column {
         filterFn: function (model) {
             return !!model.categoryId && model.categoryId == statusChatList.categoryId
         }
+
+        popupMenu: statusChatListCategory.chatListPopupMenu
     }
 
     Loader {