fix(@desktop): Persist application window state & geometry

Close #3073

src/app/global/local_app_settings.nim

@@ -7,12 +7,9 @@ const LAS_KEY_LOCALE* = "global/locale"
 const DEFAULT_LOCALE = "en"
 const LAS_KEY_THEME* = "global/theme"
 const DEFAULT_THEME = 2 #system theme, from qml
-const LAS_KEY_APP_WIDTH = "global/app_width"
-const DEFAULT_APP_WIDTH = 1232
-const LAS_KEY_APP_HEIGHT = "global/app_height"
-const DEFAULT_APP_HEIGHT = 770
-const LAS_KEY_APP_SIZE_INITIALIZED = "global/app_size_initialized"
-const DEFAULT_APP_SIZE_INITIALIZED = false
+const LAS_KEY_GEOMETRY = "global/app_geometry"
+const LAS_KEY_VISIBILITY = "global/app_visibility"
+const DEFAULT_VISIBILITY = 2 #windowed visibility, from qml
 
 QtObject:
   type LocalAppSettings* = ref object of QObject
@@ -58,41 +55,32 @@ QtObject:
     write = setTheme
     notify = themeChanged
 
-  proc appWidthChanged*(self: LocalAppSettings) {.signal.}
-  proc getAppWidth*(self: LocalAppSettings): int {.slot.} =
-    self.settings.value(LAS_KEY_APP_WIDTH, newQVariant(DEFAULT_APP_WIDTH)).intVal
-  proc setAppWidth*(self: LocalAppSettings, value: int) {.slot.} =
-    self.settings.setValue(LAS_KEY_APP_WIDTH, newQVariant(value))
-    self.appWidthChanged()
 
-  QtProperty[int] appWidth:
-    read = getAppWidth
-    write = setAppWidth
-    notify = appWidthChanged
+  proc geometryChanged*(self: LocalAppSettings) {.signal.}
+  proc getGeometry*(self: LocalAppSettings): QVariant {.slot.} =
+    self.settings.value(LAS_KEY_GEOMETRY)
+  proc setGeometry*(self: LocalAppSettings, value: QVariant) {.slot.} =
+    self.settings.setValue(LAS_KEY_GEOMETRY, newQVariant(value))
+    self.geometryChanged()
 
-  proc appHeightChanged*(self: LocalAppSettings) {.signal.}
-  proc getAppHeight*(self: LocalAppSettings): int {.slot.} =
-    self.settings.value(LAS_KEY_APP_HEIGHT, newQVariant(DEFAULT_APP_HEIGHT)).intVal
-  proc setAppHeight*(self: LocalAppSettings, value: int) {.slot.} =
-    self.settings.setValue(LAS_KEY_APP_HEIGHT, newQVariant(value))
-    self.appHeightChanged()
+  QtProperty[QVariant] geometry:
+    read = getGeometry
+    write = setGeometry
+    notify = geometryChanged
 
-  QtProperty[int] appHeight:
-    read = getAppHeight
-    write = setAppHeight
-    notify = appHeightChanged
 
-  proc appSizeInitializedChanged*(self: LocalAppSettings) {.signal.}
-  proc isAppSizeInitialized*(self: LocalAppSettings): bool {.slot.} =
-    self.settings.value(LAS_KEY_APP_SIZE_INITIALIZED, newQVariant(DEFAULT_APP_SIZE_INITIALIZED)).boolVal
-  proc setAppSizeInitialized*(self: LocalAppSettings, value: bool) {.slot.} =
-    self.settings.setValue(LAS_KEY_APP_SIZE_INITIALIZED, newQVariant(value))
-    self.appSizeInitializedChanged()
+  proc visibilityChanged*(self: LocalAppSettings) {.signal.}
+  proc getVisibility*(self: LocalAppSettings): int {.slot.} =
+    self.settings.value(LAS_KEY_VISIBILITY, newQVariant(DEFAULT_VISIBILITY)).intVal
+  proc setVisibility*(self: LocalAppSettings, value: int) {.slot.} =
+    self.settings.setValue(LAS_KEY_VISIBILITY, newQVariant(value))
+    self.visibilityChanged()
+
+  QtProperty[int] visibility:
+    read = getVisibility
+    write = setVisibility
+    notify = visibilityChanged
 
-  QtProperty[bool] appSizeInitialized:
-    read = isAppSizeInitialized
-    write = setAppSizeInitialized
-    notify = appSizeInitializedChanged
 
   proc removeKey*(self: LocalAppSettings, key: string) =
     if(self.settings.isNil):
@@ -103,3 +91,5 @@ QtObject:
     case key:
       of LAS_KEY_LOCALE: self.localeChanged()
       of LAS_KEY_THEME: self.themeChanged()
+      of LAS_KEY_GEOMETRY: self.geometryChanged()
+      of LAS_KEY_VISIBILITY: self.visibilityChanged()

ui/main.qml

@@ -28,8 +28,6 @@ StatusWindow {
     objectName: "mainWindow"
     minimumWidth: 900
     minimumHeight: 600
-    width: localAppSettings.appWidth
-    height: localAppSettings.appHeight
     color: Style.current.background
     title: {
         // Set application settings
@@ -41,20 +39,51 @@ StatusWindow {
     }
     visible: true
 
-    function storeWidth() {
-        if(!applicationWindow.appIsReady)
-            return
-        localAppSettings.appWidth = width
+    function restoreAppState() {
+        let geometry = localAppSettings.geometry;
+        let visibility = localAppSettings.visibility;
+
+        if (visibility !== Window.Windowed &&
+            visibility !== Window.Maximized &&
+            visibility !== Window.FullScreen) {
+            visibility = Window.Windowed;
         }
 
-    function storeHeight() {
-        if(!applicationWindow.appIsReady)
-            return
-        localAppSettings.appHeight = height
+        if (geometry === undefined) {
+            let screen = Qt.application.screens[0];
+
+            geometry = Qt.rect(0,
+                               0,
+                               Math.min(Screen.desktopAvailableWidth - 125, 1400),
+                               Math.min(Screen.desktopAvailableHeight - 125, 840));
+            geometry.x = (screen.width - geometry.width) / 2;
+            geometry.y = (screen.height - geometry.height) / 2;
         }
 
-    onWidthChanged: Qt.callLater(storeWidth)
-    onHeightChanged: Qt.callLater(storeHeight)
+        applicationWindow.visibility = visibility;
+        if (visibility == Window.Windowed) {
+            applicationWindow.x = geometry.x;
+            applicationWindow.y = geometry.y;
+            applicationWindow.width = geometry.width;
+            applicationWindow.height = geometry.height;
+        }
+    }
+
+    function storeAppState() {
+        if (!applicationWindow.appIsReady)
+            return;
+
+        localAppSettings.visibility = applicationWindow.visibility;
+        if (applicationWindow.visibility == Window.Windowed) {
+            localAppSettings.geometry = Qt.rect(applicationWindow.x, applicationWindow.y,
+                                                applicationWindow.width, applicationWindow.height);
+        }
+    }
+
+    onXChanged: Qt.callLater(storeAppState)
+    onYChanged: Qt.callLater(storeAppState)
+    onWidthChanged: Qt.callLater(storeAppState)
+    onHeightChanged: Qt.callLater(storeAppState)
 
     Action {
         shortcut: StandardKey.FullScreen
@@ -98,9 +127,8 @@ StatusWindow {
         target: startupModule
 
         onStartUpUIRaised: {
-            applicationWindow.appIsReady = true
-            applicationWindow.storeWidth()
-            applicationWindow.storeHeight()
+            applicationWindow.appIsReady = true;
+            applicationWindow.storeAppState();
         }
 
         onAppStateChanged: {
@@ -184,18 +212,9 @@ StatusWindow {
 
     Component.onCompleted: {
         Global.applicationWindow = this;
-        Style.changeTheme(localAppSettings.theme, systemPalette.isCurrentSystemThemeDark())
+        Style.changeTheme(localAppSettings.theme, systemPalette.isCurrentSystemThemeDark());
 
-        if (!localAppSettings.appSizeInitialized) {
-            width = Math.min(Screen.desktopAvailableWidth - 125, 1400)
-            height =  Math.min(Screen.desktopAvailableHeight - 125, 840)
-            localAppSettings.appSizeInitialized = true
-        }
-
-        setX(Qt.application.screens[0].width / 2 - width / 2);
-        setY(Qt.application.screens[0].height / 2 - height / 2);
-
-        applicationWindow.updatePosition();
+        restoreAppState();
     }
 
     signal navigateTo(string path)