Highlight correct account/room on startup

TODO.md

@@ -1,6 +1,7 @@
 # TODO
 
 - add account number binds
+- next room with unread/mention keybinds
 - revise pane collapse mode
 
 - fix escape keybinds (filter rooms, message selection)

src/gui/Base/HListView.qml

@@ -68,6 +68,9 @@ ListView {
     property int lastCheckedDelegateIndex: 0
     property int selectedCount: Object.keys(checked).length
 
+    readonly property var currentIndexModel:
+        currentIndex === -1 ? null : model.get(currentIndex)
+
 
     function check(...indices) {
         for (const i of indices) {

src/gui/MainPane/RoomList.qml

@@ -19,11 +19,9 @@ HListView {
                 width: roomList.width
                 filterActive: Boolean(filter)
                 isCurrent:
-                    currentIndex !== -1 &&
-                    (
-                        roomList.model.get(currentIndex).for_account ||
-                        roomList.model.get(currentIndex).id
-                    ) === model.id
+                    currentIndexModel &&
+                    (currentIndexModel.for_account || currentIndexModel.id) ===
+                    model.id
             }
         }
 
@@ -40,6 +38,16 @@ HListView {
 
 
     property string filter: ""
+
+    readonly property bool currentShouldBeAccount:
+        window.uiState.page === "Pages/AccountSettings/AccountSettings.qml"
+    readonly property bool currentShouldBeRoom:
+        window.uiState.page === "Pages/Chat/Chat.qml"
+    readonly property string wantedUserId:
+        window.uiState.pageProperties.userId || ""
+    readonly property string wantedRoomId:
+        window.uiState.pageProperties.roomId || ""
+
     readonly property var accountIndice: {
         const accounts = {}
 
@@ -95,6 +103,43 @@ HListView {
     }
 
 
+    function setCorrectCurrentItem() {
+        if (! currentShouldBeRoom && ! currentShouldBeAccount) {
+            currentIndex = -1
+            return
+        }
+
+        for (let i = 0; i < model.count; i++) {
+            const item = model.get(i)
+
+            if ((
+                currentShouldBeRoom &&
+                item.type === "Room" &&
+                item.id === wantedRoomId &&
+                item.for_account === wantedUserId
+            ) || (
+                currentShouldBeAccount &&
+                item.type === "Account" &&
+                item.id === wantedRoomId &&
+                item.for_account === wantedUserId
+            )) {
+                currentIndex = i
+                return
+            }
+        }
+    }
+
+
+    Timer {
+        // On startup, the account/room takes an unknown amount of time to
+        // arrive in the model, try to find it until then.
+        interval: 200
+        running: currentIndex === -1
+        repeat: true
+        triggeredOnStart: true
+        onTriggered: setCorrectCurrentItem()
+    }
+
     Timer {
         id: showItemLimiter
         interval: 200