Refactor user_files module & add live reloading

- Cleaner design for the backend user_files classes and simplified
  interaction with QML
- Config and theme files will now automatically reload when changed on
  disk
- Removed manual reload keybind and button

src/gui/MainPane/TopBar.qml

@@ -40,12 +40,6 @@ Rectangle {
                         py.callCoro("get_theme_dir", [], Qt.openUrlExternally)
                 }
 
-                HMenuItem {
-                    icon.name: "reload-config-files"
-                    text: qsTr("Reload config & theme")
-                    onTriggered: mainUI.reloadSettings()
-                }
-
                 HMenuItem {
                     icon.name: "debug"
                     text: qsTr("Developer console")

src/gui/Pages/AddAccount/SignInBase.qml

@@ -41,7 +41,7 @@ HFlickableColumnPage {
         py.callCoro(
             rememberAccount.checked ?
             "saved_accounts.add":
-            "saved_accounts.delete",
+            "saved_accounts.forget",
 
             [receivedUserId]
         )

src/gui/PythonBridge/EventHandlers.qml

@@ -65,6 +65,19 @@ QtObject {
         py.showError(type, traceback, "", message)
     }
 
+    function onUserFileChanged(type, newData) {
+        if (type === "Theme") {
+            window.theme = Qt.createQmlObject(newData, window, "theme")
+            utils.theme  = window.theme
+            return
+        }
+
+        type === "Settings" ? window.settings = newData :
+        type === "UIState" ? window.uiState = newData :
+        type === "History" ? window.history = newData :
+        null
+    }
+
     function onModelItemSet(syncId, indexThen, indexNow, changedFields) {
         const model = ModelStore.get(syncId)
 

src/gui/PythonBridge/PythonBridge.qml

@@ -47,23 +47,9 @@ Python {
         call("BRIDGE.cancel_coro", [uuid])
     }
 
-    function saveConfig(backend_attribute, data, callback=null) {
-        if (! py.ready) { return }  // config not loaded yet
-        return callCoro(backend_attribute + ".write", [data], callback)
-    }
-
-    function loadSettings(callback=null) {
-        const func = "load_settings"
-
-        return callCoro(func, [], ([settings, uiState, history, theme]) => {
-            window.settings = settings
-            window.uiState  = uiState
-            window.history  = history
-            window.theme    = Qt.createQmlObject(theme, window, "theme")
-            utils.theme     = window.theme
-
-            if (callback) { callback(settings, uiState, theme) }
-        })
+    function saveConfig(backend_attribute, data) {
+        if (! py.ready) { return }  // config not done loading yet
+        callCoro(backend_attribute + ".set_data", [data])
     }
 
     function showError(type, traceback, sourceIndication="", message="") {

src/gui/PythonBridge/PythonRootBridge.qml

@@ -22,7 +22,13 @@ PythonBridge {
         addImportPath("qrc:/src")
 
         importNames("backend.qml_bridge", ["BRIDGE"], () => {
-            loadSettings(() => {
+            callCoro("get_settings", [], ([settings, state, hist, theme]) => {
+                window.settings = settings
+                window.uiState  = state
+                window.history  = hist
+                window.theme    = Qt.createQmlObject(theme, window, "theme")
+                utils.theme     = window.theme
+
                 callCoro("saved_accounts.any_saved", [], any => {
                     if (any) { callCoro("load_saved_accounts", []) }
 

src/gui/UI.qml

@@ -28,41 +28,18 @@ Item {
     readonly property alias debugConsole: debugConsole
     readonly property alias mainPane: mainPane
     readonly property alias pageLoader: pageLoader
-    readonly property alias pressAnimation: pressAnimation
     readonly property alias fontMetrics: fontMetrics
     readonly property alias idleManager: idleManager
 
-    function reloadSettings() {
-        py.loadSettings(() => {
-            image.reload()
-            mainUI.pressAnimation.start()
-        })
-    }
-
 
     focus: true
     Component.onCompleted: window.mainUI = mainUI
 
-    SequentialAnimation {
-        id: pressAnimation
-        HNumberAnimation {
-            target: mainUI; property: "scale";  from: 1.0; to: 0.9
-        }
-        HNumberAnimation {
-            target: mainUI; property: "scale";  from: 0.9; to: 1.0
-        }
-    }
-
     HShortcut {
         sequences: window.settings.keys.startPythonDebugger
         onActivated: py.call("BRIDGE.pdb")
     }
 
-    HShortcut {
-        sequences: window.settings.keys.reloadConfig
-        onActivated: reloadSettings()
-    }
-
     HShortcut {
         sequences: window.settings.keys.zoomIn
         onActivated: {

src/gui/Window.qml

@@ -88,7 +88,7 @@ ApplicationWindow {
 
     // NOTE: For JS object variables, the corresponding method to notify
     // key/value changes must be called manually, e.g. settingsChanged().
-    onSettingsChanged: py.saveConfig("ui_settings", settings)
+    onSettingsChanged: py.saveConfig("settings", settings)
     onUiStateChanged: py.saveConfig("ui_state", uiState)
     onHistoryChanged: py.saveConfig("history", history)