feat: add entry in left panel

flutter/lib/desktop/pages/desktop_home_page.dart

@@ -14,6 +14,7 @@ import 'package:flutter_hbb/desktop/pages/desktop_tab_page.dart';
 import 'package:flutter_hbb/desktop/widgets/scroll_wrapper.dart';
 import 'package:flutter_hbb/models/platform_model.dart';
 import 'package:flutter_hbb/models/server_model.dart';
+import 'package:flutter_hbb/plugin/ui_manager.dart';
 import 'package:flutter_hbb/utils/multi_window_manager.dart';
 import 'package:get/get.dart';
 import 'package:provider/provider.dart';
@@ -88,6 +89,7 @@ class _DesktopHomePageState extends State<DesktopHomePage>
                     }
                   },
                 ),
+                buildPluginEntry()
               ],
             ),
           ),
@@ -572,6 +574,22 @@ class _DesktopHomePageState extends State<DesktopHomePage>
     _updateTimer?.cancel();
     super.dispose();
   }
+  
+  Widget buildPluginEntry() {
+    final entries = PluginUiManager.instance.entries.entries;
+    return Offstage(
+      offstage: entries.isEmpty,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          ...
+          entries.map((entry)  {
+            return entry.value;
+          })
+        ],
+      ),
+    );
+  }
 }
 
 void setPasswordDialog() async {

flutter/lib/plugin/handlers.dart

@@ -2,6 +2,8 @@ import 'dart:convert';
 import 'dart:ffi';
 
 import 'package:ffi/ffi.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_hbb/plugin/ui_manager.dart';
 import 'package:flutter_hbb/plugin/utils/dialogs.dart';
 
 abstract class NativeHandler {
@@ -34,6 +36,15 @@ class NativeUiHandler extends NativeHandler {
         final cbFuncDart = cbFuncNative.asFunction<OnSelectPeersCallbackDart>();
         onSelectPeers(cbFuncDart, userData);
         break;
+      case "register_ui_entry":
+        int cb = evt['on_tap_cb'];
+        int userData = evt['user_data'] ?? 0;
+        String title = evt['title'] ?? "";
+        final cbFuncNative = Pointer.fromAddress(cb)
+            .cast<NativeFunction<OnSelectPeersCallback>>();
+        final cbFuncDart = cbFuncNative.asFunction<OnSelectPeersCallbackDart>();
+        onRegisterUiEntry(title, cbFuncDart, userData);
+        break;
       default:
         return false;
     }
@@ -50,4 +61,19 @@ class NativeUiHandler extends NativeHandler {
       malloc.free(native);
     });
   }
+  
+  void onRegisterUiEntry(String title, OnSelectPeersCallbackDart cbFuncDart, int userData) {
+    Widget widget = InkWell(
+      child: Container(
+        height: 25.0,
+        child: Row(
+          children: [
+            Expanded(child: Text(title)),
+            Icon(Icons.chevron_right_rounded, size: 12.0,)
+          ],
+        ),
+      ),
+    );
+    PluginUiManager.instance.registerEntry(title, widget);
+  }
 }

flutter/lib/plugin/ui_manager.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+
+class PluginUiManager {
+  PluginUiManager._();
+
+  static PluginUiManager instance = PluginUiManager._();
+
+  Map<String, Widget> entries = <String, Widget>{};
+
+  void registerEntry(String key, Widget widget) {
+    entries[key] = widget;
+  }
+
+  void unregisterEntry(String key) {
+    entries.remove(key);
+  }
+}

src/lang/ca.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/cn.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", "复制指纹"),
         ("no fingerprints", "没有指纹"),
         ("Select a peer", "选择一个被控端"),
-        ("Select peers", "选择被控端")
+        ("Select peers", "选择被控"),
+        ("Plugins", "插件")
     ].iter().cloned().collect();
 }

src/lang/cs.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/da.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/de.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", "Fingerabdruck kopieren"),
         ("no fingerprints", "Keine Fingerabdrücke"),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/el.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/eo.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/es.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", "Copiar huella digital"),
         ("no fingerprints", "sin huellas digitales"),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/fa.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", "کپی کردن اثر انگشت"),
         ("no fingerprints", "بدون اثر انگشت"),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/fr.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/hu.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/id.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/it.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", "Copia firma digitale"),
         ("no fingerprints", "Nessuna firma digitale"),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/ja.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/ko.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/kz.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/lt.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/nl.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", "Kopieer Vingerafdruk"),
         ("no fingerprints", "geen vingerafdrukken"),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/pl.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", "Skopiuj sygnaturę"),
         ("no fingerprints", "brak sygnatur"),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/pt_PT.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/ptbr.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/ro.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/ru.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", "Копировать отпечаток"),
         ("no fingerprints", "отпечатки отсутствуют"),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/sk.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/sl.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/sq.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/sr.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/sv.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/template.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/th.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/tr.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/tw.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", "複製指紋"),
         ("no fingerprints", "沒有指紋"),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/ua.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/lang/vn.rs

@@ -499,6 +499,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Copy Fingerprint", ""),
         ("no fingerprints", ""),
         ("Select a peer", ""),
-        ("Select peers", "")
+        ("Select peers", ""),
+        ("Plugins", "")
     ].iter().cloned().collect();
 }

src/plugin/native_handlers/ui.rs

@@ -58,6 +58,33 @@ impl PluginNativeHandler for PluginNativeUIHandler {
                     data: "missing cb field message".as_ptr() as _,
                 });
             }
+            "register_ui_entry" => {
+                let title;
+                if let Some(v) = data.get("title") {
+                    title = v.as_str().unwrap_or("");
+                } else {
+                    title = "";
+                }
+                if let Some(on_tap_cb) = data.get("on_tap_cb") {
+                    if let Some(on_tap_cb) = on_tap_cb.as_u64() {
+                        let user_data = match data.get("user_data") {
+                            Some(user_data) => {
+                                user_data.as_u64().unwrap_or(0)
+                            },
+                            None => 0,
+                        };
+                        self.register_ui_entry(title, on_tap_cb, user_data);
+                        return Some(super::NR {
+                            return_type: 0,
+                            data: std::ptr::null(),
+                        });
+                    }
+                }
+                return Some(super::NR {
+                    return_type: -1,
+                    data: "missing cb field message".as_ptr() as _,
+                });
+            }
             _ => {}
         }
         None
@@ -97,4 +124,26 @@ impl PluginNativeUIHandler {
             serde_json::to_string(&param).unwrap_or("".to_string()),
         );
     }
+
+    /// Call with method `register_ui_entry` and the following json:
+    /// ```
+    /// {
+    ///     
+    ///     "on_tap_cb": 0, // The function address
+    ///     "user_data": 0, // An opaque pointer value passed to the callback.
+    ///     "title": "entry name"
+    /// }
+    /// ```
+    fn register_ui_entry(&self, title: &str, on_tap_cb: u64, user_data: u64) {
+        let mut param = HashMap::new();
+        param.insert("name", json!("native_ui"));
+        param.insert("action", json!("register_ui_entry"));
+        param.insert("title", json!(title));
+        param.insert("cb", json!(on_tap_cb));
+        param.insert("user_data", json!(user_data));
+        crate::flutter::push_global_event(
+            APP_TYPE_MAIN,
+            serde_json::to_string(&param).unwrap_or("".to_string()),
+        );
+    }
 }