Merge pull request #1604 from Kingtous/master

opt: cm chat window alignment & home button hide/show logic

flutter/lib/desktop/widgets/tabbar_widget.dart

@@ -490,6 +490,15 @@ class _ListView extends StatelessWidget {
       this.tabBuilder,
       this.labelGetter});
 
+  /// Check whether to show ListView
+  ///
+  /// Conditions:
+  /// - hide single item when only has one item (home) on [DesktopTabPage].
+  bool isHideSingleItem() {
+    return state.value.tabs.length == 1 &&
+        controller.tabType == DesktopTabType.main;
+  }
+
   @override
   Widget build(BuildContext context) {
     return Obx(() => ListView(
@@ -497,38 +506,41 @@ class _ListView extends StatelessWidget {
         scrollDirection: Axis.horizontal,
         shrinkWrap: true,
         physics: const BouncingScrollPhysics(),
-        children: state.value.tabs.asMap().entries.map((e) {
+        children: isHideSingleItem()
-          final index = e.key;
+            ? List.empty()
-          final tab = e.value;
+            : state.value.tabs.asMap().entries.map((e) {
-          return _Tab(
+                final index = e.key;
-            index: index,
+                final tab = e.value;
-            label: labelGetter == null
+                return _Tab(
-                ? Rx<String>(tab.label)
+                  index: index,
-                : labelGetter!(tab.label),
+                  label: labelGetter == null
-            selectedIcon: tab.selectedIcon,
+                      ? Rx<String>(tab.label)
-            unselectedIcon: tab.unselectedIcon,
+                      : labelGetter!(tab.label),
-            closable: tab.closable,
+                  selectedIcon: tab.selectedIcon,
-            selected: state.value.selected,
+                  unselectedIcon: tab.unselectedIcon,
-            onClose: () {
+                  closable: tab.closable,
-              if (tab.onTabCloseButton != null) {
+                  selected: state.value.selected,
-                tab.onTabCloseButton!();
+                  onClose: () {
-              } else {
+                    if (tab.onTabCloseButton != null) {
-                controller.remove(index);
+                      tab.onTabCloseButton!();
-              }
+                    } else {
-            },
+                      controller.remove(index);
-            onSelected: () => controller.jumpTo(index),
+                    }
-            tabBuilder: tabBuilder == null
-                ? null
-                : (Widget icon, Widget labelWidget, TabThemeConf themeConf) {
-                    return tabBuilder!(
-                      tab.label,
-                      icon,
-                      labelWidget,
-                      themeConf,
-                    );
                   },
-          );
+                  onSelected: () => controller.jumpTo(index),
-        }).toList()));
+                  tabBuilder: tabBuilder == null
+                      ? null
+                      : (Widget icon, Widget labelWidget,
+                          TabThemeConf themeConf) {
+                          return tabBuilder!(
+                            tab.label,
+                            icon,
+                            labelWidget,
+                            themeConf,
+                          );
+                        },
+                );
+              }).toList()));
   }
 }
 

flutter/lib/models/chat_model.dart

@@ -167,8 +167,10 @@ class ChatModel with ChangeNotifier {
       _isShowChatPage = !_isShowChatPage;
       notifyListeners();
       await windowManager.setSize(Size(400, 600));
+      await windowManager.setAlignment(Alignment.topRight);
     } else {
       await windowManager.setSize(Size(800, 600));
+      await windowManager.center();
       await Future.delayed(Duration(milliseconds: 100));
       _isShowChatPage = !_isShowChatPage;
       notifyListeners();