Begin yet another model refactor

Use native ListModel which require a lot of changes, but should be
much faster than the old way which exponentially slowed down to a crawl.
Also fix some popup bugs (leave/forget).

Not working yet: side pane keyboard controls, proper highlight,
room & member filtering, local echo replacement

src/gui/PythonBridge/Privates/EventHandlers.qml

@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
 import QtQuick 2.12
+import ".."
+import "../.."
 
 QtObject {
     function onExitRequested(exitCode) {
@@ -16,10 +18,10 @@ QtObject {
 
 
     function onCoroutineDone(uuid, result, error, traceback) {
-        let onSuccess = py.privates.pendingCoroutines[uuid].onSuccess
-        let onError   = py.privates.pendingCoroutines[uuid].onError
+        let onSuccess = Globals.pendingCoroutines[uuid].onSuccess
+        let onError   = Globals.pendingCoroutines[uuid].onError
 
-        delete py.privates.pendingCoroutines[uuid]
+        delete Globals.pendingCoroutines[uuid]
 
         if (error) {
             const type = py.getattr(py.getattr(error, "__class__"), "__name__")
@@ -74,14 +76,29 @@ QtObject {
     }
 
 
-    function onModelUpdated(syncId, data, serializedSyncId) {
-        if (serializedSyncId === "Account" || serializedSyncId[0] === "Room") {
-            py.callCoro("get_flat_mainpane_data", [], data => {
-                window.mainPaneModelSource = data
-            })
-        }
+    function onModelItemInserted(syncId, index, item) {
+        // print("insert", syncId, index, item)
+        ModelStore.get(syncId).insert(index, item)
+    }
 
-        window.modelSources[serializedSyncId] = data
-        window.modelSourcesChanged()
+
+    function onModelItemFieldChanged(syncId, oldIndex, newIndex, field, value){
+        // print("change", syncId, oldIndex, newIndex, field, value)
+        const model = ModelStore.get(syncId)
+        model.setProperty(oldIndex, field, value)
+
+        if (oldIndex !== newIndex) model.move(oldIndex, newIndex, 1)
+    }
+
+
+    function onModelItemDeleted(syncId, index) {
+        // print("del", syncId, index)
+        ModelStore.get(syncId).remove(index)
+    }
+
+
+    function onModelCleared(syncId) {
+        // print("clear", syncId)
+        ModelStore.get(syncId).clear()
     }
 }

src/gui/PythonBridge/Privates/Globals.qml

@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+pragma Singleton
+import QtQuick 2.12
+
+QtObject {
+    readonly property var pendingCoroutines: ({})
+}

src/gui/PythonBridge/Privates/qmldir

@@ -0,0 +1 @@
+singleton Globals 0.1 Globals.qml

src/gui/PythonBridge/PythonBridge.qml

@@ -3,41 +3,16 @@
 import QtQuick 2.12
 import io.thp.pyotherside 1.5
 import CppUtils 0.1
+import "Privates"
 
 Python {
     id: py
-    Component.onCompleted: {
-        for (var func in privates.eventHandlers) {
-            if (! privates.eventHandlers.hasOwnProperty(func)) continue
-            setHandler(func.replace(/^on/, ""), privates.eventHandlers[func])
-        }
 
-        addImportPath("src")
-        addImportPath("qrc:/src")
-
-        importNames("backend.qml_bridge", ["BRIDGE"], () => {
-            loadSettings(() => {
-                callCoro("saved_accounts.any_saved", [], any => {
-                    if (any) { py.callCoro("load_saved_accounts", []) }
-
-                    py.startupAnyAccountsSaved = any
-                    py.ready                   = true
-                })
-            })
-        })
-    }
-
-
-    property bool ready: false
-    property bool startupAnyAccountsSaved: false
 
     readonly property QtObject privates: QtObject {
-        readonly property var pendingCoroutines: ({})
-        readonly property EventHandlers eventHandlers: EventHandlers {}
-
         function makeFuture(callback) {
             return Qt.createComponent("Future.qml")
-                     .createObject(py, {bridge: py})
+                     .createObject(py, { bridge: py })
         }
     }
 
@@ -47,15 +22,10 @@ Python {
     }
 
 
-    function callSync(name, args=[]) {
-        return call_sync("BRIDGE.backend." + name, args)
-    }
-
-
     function callCoro(name, args=[], onSuccess=null, onError=null) {
         let uuid = name + "." + CppUtils.uuid()
 
-        privates.pendingCoroutines[uuid] = {onSuccess, onError}
+        Globals.pendingCoroutines[uuid] = {onSuccess, onError}
 
         let future = privates.makeFuture()
 
@@ -75,7 +45,7 @@ Python {
         callCoro("get_client", [accountId], () => {
             let uuid = accountId + "." + name + "." + CppUtils.uuid()
 
-            privates.pendingCoroutines[uuid] = {onSuccess, onError}
+            Globals.pendingCoroutines[uuid] = {onSuccess, onError}
 
             let call_args = [accountId, name, uuid, args]
 

src/gui/PythonBridge/PythonRootBridge.qml

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+import QtQuick 2.12
+import "Privates"
+
+PythonBridge {
+    Component.onCompleted: {
+        for (var func in eventHandlers) {
+            if (! eventHandlers.hasOwnProperty(func)) continue
+            setHandler(func.replace(/^on/, ""), eventHandlers[func])
+        }
+
+        addImportPath("src")
+        addImportPath("qrc:/src")
+
+        importNames("backend.qml_bridge", ["BRIDGE"], () => {
+            loadSettings(() => {
+                callCoro("saved_accounts.any_saved", [], any => {
+                    if (any) { callCoro("load_saved_accounts", []) }
+
+                    startupAnyAccountsSaved = any
+                    ready                   = true
+                })
+            })
+        })
+    }
+
+
+    property bool ready: false
+    property bool startupAnyAccountsSaved: false
+
+    readonly property EventHandlers eventHandlers: EventHandlers {}
+}