Update README.md

- screenshots

README.md

@@ -1,16 +1,11 @@
-# tcp_client
+# Simple TCP Client
 
-A new Flutter project.
+This is a simple chat client based on Flutter
 
-## Getting Started
+## Screenshots
 
-This project is a starting point for a Flutter application.
-
-A few resources to get you started if this is your first Flutter project:
-
-- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
-- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
-
-For help getting started with Flutter development, view the
-[online documentation](https://docs.flutter.dev/), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.
+![Message Page](https://pic.linloir.cn/images/2022/10/21/message_page.png)
+![Contacts Page](https://pic.linloir.cn/images/2022/10/21/contacts_page.png)
+![Profile Page](https://pic.linloir.cn/images/2022/10/21/profile_page.png)
+![Chat Page](https://pic.linloir.cn/images/2022/10/21/chat_page.png)
+![Search Page](https://pic.linloir.cn/images/2022/10/21/search_page.png)

inno_setup.iss

@@ -2,7 +2,7 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "LChatClient"
-#define MyAppVersion "1.0"
+#define MyAppVersion "1.1"
 #define MyAppPublisher "Linloir"
 #define MyAppExeName "LChatClient.exe"
 #define MyAppComp "com.linloir"
@@ -20,7 +20,7 @@ DisableProgramGroupPage=yes
 ; Uncomment the following line to run in non administrative install mode (install for current user only.)
 ;PrivilegesRequired=lowest
 PrivilegesRequiredOverridesAllowed=dialog
-OutputDir=C:\Users\Linloir\Desktop\lchatclientcompiler
+OutputDir=build\inno
 OutputBaseFilename=mysetup
 Compression=lzma
 SolidCompression=yes
@@ -33,13 +33,12 @@ Name: "english"; MessagesFile: "compiler:Default.isl"
 Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked
 
 [Files]
-Source: "E:\Repositories\CollegeProjects\tcp_client\build\windows\runner\Release\{#MyAppExeName}"; DestDir: "{app}"; Flags: ignoreversion
-Source: "E:\Repositories\CollegeProjects\tcp_client\build\windows\runner\Release\data\*"; DestDir: "{app}\data"; Flags: ignoreversion recursesubdirs createallsubdirs
-Source: "E:\Repositories\CollegeProjects\tcp_client\build\windows\runner\Release\flutter_windows.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "E:\Repositories\CollegeProjects\tcp_client\build\windows\runner\Release\window_manager_plugin.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "E:\Repositories\CollegeProjects\tcp_client\build\windows\runner\Release\screen_retriever_plugin.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "E:\Repositories\CollegeProjects\tcp_client\build\windows\runner\Release\sqlite3.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "E:\Repositories\CollegeProjects\tcp_client\build\windows\runner\Release\LChatClient.exe"; DestDir: "{app}"; Flags: ignoreversion
+Source: "build\windows\runner\Release\{#MyAppExeName}"; DestDir: "{app}"; Flags: ignoreversion
+Source: "build\windows\runner\Release\data\*"; DestDir: "{app}\data"; Flags: ignoreversion recursesubdirs createallsubdirs
+Source: "build\windows\runner\Release\flutter_windows.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "build\windows\runner\Release\window_manager_plugin.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "build\windows\runner\Release\screen_retriever_plugin.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "build\windows\runner\Release\sqlite3.dll"; DestDir: "{app}"; Flags: ignoreversion
 ; NOTE: Don't use "Flags: ignoreversion" on any shared system files
 
 [Dirs]

lib/chat/chat_page.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 14:03:16
- * @LastEditTime : 2022-10-15 10:54:53
+ * @LastEditTime : 2022-10-20 10:52:30
  * @Description  : 
  */
 

lib/chat/cubit/chat_cubit.dart

@@ -1,17 +1,17 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 14:03:56
- * @LastEditTime : 2022-10-19 00:37:31
+ * @LastEditTime : 2022-10-20 11:04:40
  * @Description  : 
  */
 
 import 'dart:async';
 import 'dart:convert';
-import 'dart:io';
 
 import 'package:bloc/bloc.dart';
 import 'package:convert/convert.dart';
 import 'package:crypto/crypto.dart';
+import 'package:flutter/material.dart';
 import 'package:open_file/open_file.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:tcp_client/chat/cubit/chat_state.dart';
@@ -79,7 +79,8 @@ class ChatCubit extends Cubit<ChatState> {
     var newHistory = ChatHistory(
       message: msg,
       type: ChatHistoryType.outcome,
-      status: ChatHistoryStatus.sending
+      status: ChatHistoryStatus.sending,
+      preCachedImage: msg.type == MessageType.image ? Image.memory(base64.decode(msg.contentDecoded)) : null
     );
     if(msg.type == MessageType.file) {
       //Remove mock history
@@ -107,10 +108,14 @@ class ChatCubit extends Cubit<ChatState> {
     );
     var newHistories = [];
     for(var message in fetchedMessages) {
+      if(state.chatHistory.any((element) => element.message.contentmd5 == message.contentmd5)) {
+        continue;
+      }
       var history = ChatHistory(
         message: message,
         type: message.senderID == userID ? ChatHistoryType.income : ChatHistoryType.outcome,
-        status: ChatHistoryStatus.done
+        status: ChatHistoryStatus.done,
+        preCachedImage: message.type == MessageType.image ? Image.memory(base64.decode(message.contentDecoded)) : null
       );
       newHistories.add(history);
     }
@@ -206,7 +211,8 @@ class ChatCubit extends Cubit<ChatState> {
         var newHistory = ChatHistory(
           message: response.message,
           type: response.message.senderID == userID ? ChatHistoryType.income : ChatHistoryType.outcome,
-          status: ChatHistoryStatus.done
+          status: ChatHistoryStatus.done,
+          preCachedImage: response.message.type == MessageType.image ? Image.memory(base64.decode(response.message.contentDecoded)) : null
         );
         var newHistoryList = [newHistory, ...state.chatHistory];
         emit(state.copyWith(chatHistory: newHistoryList));
@@ -221,7 +227,8 @@ class ChatCubit extends Cubit<ChatState> {
           var newHistory = ChatHistory(
             message: message,
             type: message.senderID == userID ? ChatHistoryType.income : ChatHistoryType.outcome,
-            status: ChatHistoryStatus.done
+            status: ChatHistoryStatus.done,
+            preCachedImage: message.type == MessageType.image ? Image.memory(base64.decode(message.contentDecoded)) : null
           );
           fetchedHistories.insert(0, newHistory);
         }

lib/chat/model/chat_history.dart

@@ -1,11 +1,12 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-14 14:55:20
- * @LastEditTime : 2022-10-18 15:19:46
+ * @LastEditTime : 2022-10-20 11:01:03
  * @Description  : 
  */
 
 import 'package:equatable/equatable.dart';
+import 'package:flutter/material.dart';
 import 'package:tcp_client/repositories/common_models/message.dart';
 
 enum ChatHistoryType { outcome, income }
@@ -15,22 +16,26 @@ class ChatHistory extends Equatable {
   final Message message;
   final ChatHistoryType type;
   final ChatHistoryStatus status;
+  final Image? preCachedImage;
 
   const ChatHistory({
     required this.message,
     required this.type,
-    required this.status
+    required this.status,
+    this.preCachedImage,
   });
 
   ChatHistory copyWith({
     Message? message,
     ChatHistoryType? type,
-    ChatHistoryStatus? status
+    ChatHistoryStatus? status,
+    Image? preCachedImage
   }) {
     return ChatHistory(
       message: message ?? this.message,
       type: type ?? this.type,
-      status: status ?? this.status
+      status: status ?? this.status,
+      preCachedImage: preCachedImage ?? this.preCachedImage
     );
   }
 

lib/chat/view/common/image_box.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-14 17:04:20
- * @LastEditTime : 2022-10-14 17:34:12
+ * @LastEditTime : 2022-10-20 13:47:29
  * @Description  : 
  */
 
@@ -20,9 +20,24 @@ class ImageBox extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return InkWell(
-      onTap: (){},
-      child: Image.memory(base64Decode(history.message.contentDecoded))
+    return IntrinsicWidth(
+      child: IntrinsicHeight(
+        child: Stack(
+          children: [
+            Container(
+              constraints: const BoxConstraints(maxWidth: 500, maxHeight: 200),
+              child: history.preCachedImage ?? Image.memory(base64Decode(history.message.contentDecoded)),
+            ),
+            Material(
+                color: Colors.transparent,
+                child: InkWell(
+                  splashColor: Colors.white.withOpacity(0.1),
+                  onTap: (){},
+                )
+              ),
+          ]
+        ),
+      ),
     );
   }
 }

lib/chat/view/in_message_box.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-14 13:49:47
- * @LastEditTime : 2022-10-15 10:24:35
+ * @LastEditTime : 2022-10-20 13:56:20
  * @Description  : 
  */
 
@@ -22,51 +22,70 @@ class InMessageBox extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return AnimatedContainer(
-      key: ValueKey(history.message.contentmd5),
-      duration: const Duration(milliseconds: 375),
-      padding: const EdgeInsets.symmetric(
-        horizontal: 12,
-        vertical: 8
-      ),
-      decoration: BoxDecoration(
-        color: Colors.grey[50],
-        borderRadius: const BorderRadius.only(
-            topLeft: Radius.circular(8.0),
-            topRight: Radius.circular(8.0),
-            bottomLeft: Radius.zero,
-            bottomRight: Radius.circular(8.0)
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        AnimatedContainer(
+          key: ValueKey(history.message.contentmd5),
+          duration: const Duration(milliseconds: 375),
+          padding: history.message.type == MessageType.image ? 
+            const EdgeInsets.all(0) : 
+            const EdgeInsets.symmetric(horizontal: 12.0, vertical: 8.0),
+          decoration: BoxDecoration(
+            color: Colors.grey[50],
+            borderRadius: const BorderRadius.only(
+                topLeft: Radius.circular(8.0),
+                topRight: Radius.circular(8.0),
+                bottomLeft: Radius.zero,
+                bottomRight: Radius.circular(8.0)
+            ),
+            boxShadow: [BoxShadow(blurRadius: 5.0, color: Colors.grey.withOpacity(0.3))]
+          ),
+          child: ClipRRect(
+            borderRadius: const BorderRadius.only(
+                topLeft: Radius.circular(8.0),
+                topRight: Radius.circular(8.0),
+                bottomLeft: Radius.zero,
+                bottomRight: Radius.circular(8.0)
+            ),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                if(history.message.type == MessageType.file)
+                  FileBox(history: history),
+                if(history.message.type == MessageType.image)
+                  ImageBox(history: history),
+                if(history.message.type == MessageType.plaintext)
+                  TextBox(history: history),
+                if(history.message.type != MessageType.image)
+                  ...[
+                    const SizedBox(height: 4.0,),
+                    Text(
+                      _getTimeStamp(history.message.timeStamp),
+                      style: TextStyle(
+                        fontSize: 12,
+                        color: Colors.grey[400],
+                      ),
+                    )
+                  ]
+              ],
+            ),
+          )
         ),
-        boxShadow: [BoxShadow(blurRadius: 5.0, color: Colors.grey.withOpacity(0.3))]
-      ),
-      child: ClipRRect(
-        borderRadius: const BorderRadius.only(
-            topLeft: Radius.circular(8.0),
-            topRight: Radius.circular(8.0),
-            bottomLeft: Radius.zero,
-            bottomRight: Radius.circular(8.0)
-        ),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            if(history.message.type == MessageType.file)
-              FileBox(history: history),
-            if(history.message.type == MessageType.image)
-              ImageBox(history: history),
-            if(history.message.type == MessageType.plaintext)
-              TextBox(history: history),
+        if(history.message.type == MessageType.image)
+          ...[
             const SizedBox(height: 4.0,),
             Text(
               _getTimeStamp(history.message.timeStamp),
               style: TextStyle(
                 fontSize: 12,
-                color: Colors.grey[400],
+                color: Colors.grey[600],
               ),
-            )
-          ],
-        ),
-      )
+            ),
+          ]
+      ]
     );
   }
 

lib/chat/view/input_box/input_box.dart

@@ -1,12 +1,15 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-14 17:54:30
- * @LastEditTime : 2022-10-18 15:30:05
+ * @LastEditTime : 2022-10-20 11:18:48
  * @Description  : 
  */
 
+import 'dart:convert';
+
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:formz/formz.dart';
 import 'package:path/path.dart';
@@ -41,26 +44,39 @@ class InputBox extends StatelessWidget {
                 listener: (context, state) {
                   _controller.clear();
                 },
-                child: Container(
-                  constraints: const BoxConstraints(maxHeight: 120),
-                  child: Builder(
-                    builder: (context) => TextField(
-                      controller: _controller,
-                      onChanged: (value) {
-                        context.read<MessageInputCubit>().onInputChange(MessageInput.dirty(value));
-                      },
-                      maxLines: null,
-                      decoration: const InputDecoration(
-                        border: UnderlineInputBorder(
-                          borderSide: BorderSide(
-                            width: 1.0
-                          )
+                child: BlocBuilder<MessageInputCubit, MessageInputState>(
+                  builder:(context, state) {
+                    return Container(
+                      constraints: const BoxConstraints(maxHeight: 120),
+                      child: Builder(
+                        builder: (context) => CallbackShortcuts(
+                          bindings: {
+                            const SingleActivator(LogicalKeyboardKey.enter, control: true): () {
+                              if(state.status == FormzStatus.valid) {
+                                context.read<MessageInputCubit>().onSubmission();
+                              }
+                            }
+                          },
+                          child: TextField(
+                            controller: _controller,
+                            onChanged: (value) {
+                              context.read<MessageInputCubit>().onInputChange(MessageInput.dirty(value));
+                            },
+                            maxLines: null,
+                            decoration: const InputDecoration(
+                              border: UnderlineInputBorder(
+                                borderSide: BorderSide(
+                                  width: 1.0
+                                )
+                              ),
+                              hintText: 'Input message here'
+                            ),
+                          ),
                         ),
-                        hintText: 'Input message here'
                       ),
-                    ),
-                  ),
-                )
+                    );
+                  }
+                ),
               ),
             ),
             const SizedBox(width: 8.0,),
@@ -83,6 +99,24 @@ class InputBox extends StatelessWidget {
               icon: Icon(Icons.attach_file_rounded, color: Colors.grey[700],)
             ),
             const SizedBox(width: 8.0,),
+            IconButton(
+              onPressed: () {
+                var chatCubit = context.read<ChatCubit>();
+                chatCubit.localServiceRepository.pickFile(FileType.image).then((img) async {
+                  if(img != null) {
+                    var newMessage = Message(
+                      userid: (await SharedPreferences.getInstance()).getInt('userid')!,
+                      targetid: chatCubit.userID,
+                      content: base64.encode(await img.readAsBytes()),
+                      contenttype: MessageType.image,
+                    );
+                    chatCubit.addMessage(newMessage);
+                  }
+                });
+              }, 
+              icon: Icon(Icons.photo_rounded, color: Colors.grey[700],)
+            ),
+            const SizedBox(width: 8.0,),
             BlocBuilder<MessageInputCubit, MessageInputState>(
               builder:(context, state) {
                 return IconButton(

lib/chat/view/out_message_box.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-14 13:49:28
- * @LastEditTime : 2022-10-15 10:23:43
+ * @LastEditTime : 2022-10-19 23:47:20
  * @Description  : 
  */
 
@@ -22,51 +22,70 @@ class OutMessageBox extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return AnimatedContainer(
-      key: ValueKey(history.message.contentmd5),
-      duration: const Duration(milliseconds: 375),
-      padding: const EdgeInsets.symmetric(
-        horizontal: 12,
-        vertical: 8
-      ),
-      decoration: BoxDecoration(
-        color: Colors.blue,
-        borderRadius: const BorderRadius.only(
-            topLeft: Radius.circular(8.0),
-            topRight: Radius.circular(8.0),
-            bottomLeft: Radius.circular(8.0),
-            bottomRight: Radius.zero
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.end,
+      children: [
+        AnimatedContainer(
+          key: ValueKey(history.message.contentmd5),
+          duration: const Duration(milliseconds: 375),
+          padding: history.message.type == MessageType.image ? 
+            const EdgeInsets.all(0) : 
+            const EdgeInsets.symmetric(horizontal: 12.0, vertical: 8.0),
+          decoration: BoxDecoration(
+            color: Colors.blue,
+            borderRadius: const BorderRadius.only(
+                topLeft: Radius.circular(8.0),
+                topRight: Radius.circular(8.0),
+                bottomLeft: Radius.circular(8.0),
+                bottomRight: Radius.zero
+            ),
+            boxShadow: [BoxShadow(blurRadius: 5.0, color: Colors.grey.withOpacity(0.2))]
+          ),
+          child: ClipRRect(
+            borderRadius: const BorderRadius.only(
+                topLeft: Radius.circular(8.0),
+                topRight: Radius.circular(8.0),
+                bottomLeft: Radius.circular(8.0),
+                bottomRight: Radius.zero
+            ),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.end,
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                if(history.message.type == MessageType.file)
+                  FileBox(history: history),
+                if(history.message.type == MessageType.image)
+                  ImageBox(history: history),
+                if(history.message.type == MessageType.plaintext)
+                  TextBox(history: history),
+                if(history.message.type != MessageType.image)
+                  ...[
+                    const SizedBox(height: 4.0,),
+                    Text(
+                      _getTimeStamp(history.message.timeStamp),
+                      style: TextStyle(
+                        fontSize: 12,
+                        color: Colors.grey[200],
+                      ),
+                    )
+                  ],
+              ],
+            ),
+          )
         ),
-        boxShadow: [BoxShadow(blurRadius: 5.0, color: Colors.grey.withOpacity(0.2))]
-      ),
-      child: ClipRRect(
-        borderRadius: const BorderRadius.only(
-            topLeft: Radius.circular(8.0),
-            topRight: Radius.circular(8.0),
-            bottomLeft: Radius.circular(8.0),
-            bottomRight: Radius.zero
-        ),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            if(history.message.type == MessageType.file)
-              FileBox(history: history),
-            if(history.message.type == MessageType.image)
-              ImageBox(history: history),
-            if(history.message.type == MessageType.plaintext)
-              TextBox(history: history),
+        if(history.message.type == MessageType.image)
+          ...[
             const SizedBox(height: 4.0,),
             Text(
               _getTimeStamp(history.message.timeStamp),
               style: TextStyle(
                 fontSize: 12,
-                color: Colors.grey[200],
+                color: Colors.grey[800],
               ),
-            )
-          ],
-        ),
-      )
+            ),
+          ]
+      ]
     );
   }
 

lib/common/avatar/avatar.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 21:49:53
- * @LastEditTime : 2022-10-14 10:32:50
+ * @LastEditTime : 2022-10-20 18:02:23
  * @Description  : 
  */
 
@@ -17,11 +17,13 @@ class UserAvatar extends StatelessWidget {
   const UserAvatar({
     required this.userid, 
     this.size = 48,
+    this.onTap,
     super.key
   });
 
   final int userid;
   final double size;
+  final void Function()? onTap;
 
   @override
   Widget build(BuildContext context) {
@@ -35,19 +37,30 @@ class UserAvatar extends StatelessWidget {
           return Container(
             width: size,
             height: size,
-            alignment: Alignment.center,
             decoration: BoxDecoration(
               color: Colors.grey[600],
               borderRadius: BorderRadius.circular(5.0),
               boxShadow: [BoxShadow(blurRadius: 10.0, color: Colors.grey[850]!.withOpacity(0.15))]
             ),
-            child: Text(
-              state.userInfo.userName[0].toUpperCase(),
-              style: TextStyle(
-                fontSize: 24 * (size / 48),
-                fontWeight: FontWeight.w300,
-                color: Colors.white,
-                shadows: [Shadow(blurRadius: 5.0, color: Colors.white.withOpacity(0.15))]
+            child: ClipRRect(
+              borderRadius: BorderRadius.circular(5.0),
+              child: Material(
+                color: Colors.transparent,
+                child: InkWell(
+                  onTap: onTap,
+                  child: Align(
+                    alignment: Alignment.center,
+                    child: Text(
+                      state.userInfo.userName[0].toUpperCase(),
+                      style: TextStyle(
+                        fontSize: 24 * (size / 48),
+                        fontWeight: FontWeight.w300,
+                        color: Colors.white,
+                        shadows: [Shadow(blurRadius: 5.0, color: Colors.white.withOpacity(0.15))]
+                      ),
+                    ),
+                  ),
+                ),
               ),
             ),
           );
@@ -62,13 +75,24 @@ class UserAvatar extends StatelessWidget {
             ),
             child: ClipRRect(
               borderRadius: BorderRadius.circular(5.0),
-              child: OverflowBox(
-                alignment: Alignment.center,
-                child: FittedBox(
-                  fit: BoxFit.fitWidth,
-                  child: Image.memory(base64.decode(state.userInfo.avatarEncoded!)),
-                ),
-              )
+              child: Stack(
+                fit: StackFit.passthrough,
+                children: [
+                  OverflowBox(
+                    alignment: Alignment.center,
+                    child: FittedBox(
+                      fit: BoxFit.cover,
+                      child: Image.memory(base64.decode(state.userInfo.avatarEncoded!)),
+                    ),
+                  ),
+                  Material(
+                    color: Colors.transparent,
+                    child: InkWell(
+                      onTap: onTap,
+                    ),
+                  ),
+                ],
+              ),
             ),
           );
         }

lib/common/avatar/cubit/avatar_cubit.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 21:50:14
- * @LastEditTime : 2022-10-13 22:03:01
+ * @LastEditTime : 2022-10-20 18:03:54
  * @Description  : 
  */
 
@@ -14,7 +14,8 @@ class AvatarCubit extends Cubit<AvatarState> {
   AvatarCubit({
     required int userid,
     required this.userRepository
-  }): super(AvatarState(userInfo: userRepository.getUserInfo(userid: userid))) {
+  }): super(AvatarState(userInfo: userRepository.getUserInfo(userid: userid))) 
+  {
     userRepository.userInfoStreamBroadcast.listen(onFetchedUserInfo);
   }
 
@@ -22,7 +23,9 @@ class AvatarCubit extends Cubit<AvatarState> {
 
   void onFetchedUserInfo(UserInfo userInfo) {
     if(userInfo.userID == state.userInfo.userID) {
-      emit(AvatarState(userInfo: userInfo));
+      emit(AvatarState(
+        userInfo: userInfo
+      ));
     }
   }
 }

lib/common/avatar/cubit/avatar_state.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 21:50:07
- * @LastEditTime : 2022-10-13 22:02:11
+ * @LastEditTime : 2022-10-20 18:02:15
  * @Description  : 
  */
 

lib/home/view/contact_page/contact_page.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 23:36:07
- * @LastEditTime : 2022-10-18 11:25:18
+ * @LastEditTime : 2022-10-20 17:04:52
  * @Description  : 
  */
 
@@ -26,7 +26,7 @@ class ContactPage extends StatelessWidget {
           itemCount: indexedData.length,
           itemBuilder: (context, index) {
             return ContactTile(
-              userInfo: (indexedData[index] as ContactModel).userInfo,
+              contactInfo: (indexedData[index] as ContactModel),
             );
           },
           physics: const BouncingScrollPhysics(parent: AlwaysScrollableScrollPhysics()),
@@ -38,7 +38,7 @@ class ContactPage extends StatelessWidget {
               color: Colors.grey[200],
               alignment: Alignment.centerLeft,
               child: Text(
-                indexedData[index].getSuspensionTag(),
+                indexedData[index].getSuspensionTag() == '⨂' ? 'Pending for reply' : indexedData[index].getSuspensionTag() == '⊙' ? 'Requesting' : indexedData[index].getSuspensionTag(),
                 softWrap: false,
                 style: TextStyle(
                   fontSize: 14.0,

lib/home/view/contact_page/cubit/contact_cubit.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 14:01:45
- * @LastEditTime : 2022-10-14 23:03:02
+ * @LastEditTime : 2022-10-20 16:36:05
  * @Description  : 
  */
 
@@ -22,7 +22,7 @@ class ContactCubit extends Cubit<ContactState> {
   }): super(ContactState.empty()) {
     subscription = tcpRepository.responseStreamBroadcast.listen(_onResponse);
     updateContacts();
-    timer = Timer.periodic(const Duration(seconds: 10), (timer) {updateContacts();});
+    timer = Timer.periodic(const Duration(seconds: 20), (timer) {updateContacts();});
   }
 
   final LocalServiceRepository localServiceRepository;

lib/home/view/contact_page/cubit/contact_state.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 14:01:39
- * @LastEditTime : 2022-10-17 17:28:33
+ * @LastEditTime : 2022-10-20 16:09:50
  * @Description  : 
  */
 
@@ -24,13 +24,17 @@ class ContactState extends Equatable {
   static ContactState empty() => const ContactState(contacts: [], pending: [], requesting: []);
 
   List<ISuspensionBean> get indexedData {
-    var indexedList = contacts.map((e) => ContactModel(userInfo: e)).toList();
+    var indexedList = contacts.map((e) => ContactModel(userInfo: e, status: ContactStatus.added)).toList();
     indexedList.sort((a, b) => a.getSuspensionTag().compareTo(b.getSuspensionTag()));
+    //Add requesting contacts
+    indexedList.insertAll(0, requesting.map((e) => ContactModel(userInfo: e, status: ContactStatus.requesting)).toList());
+    //Add pending contacts
+    indexedList.insertAll(0, pending.map((e) => ContactModel(userInfo: e, status: ContactStatus.pending)).toList());
     // SuspensionUtil.sortListBySuspensionTag(indexedList);
     SuspensionUtil.setShowSuspensionStatus(indexedList);
     return indexedList;
   }
 
   @override
-  List<Object> get props => contacts;
+  List<Object> get props => [...contacts, ...pending, ...requesting];
 }

lib/home/view/contact_page/models/contact_model.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 15:34:08
- * @LastEditTime : 2022-10-17 17:20:47
+ * @LastEditTime : 2022-10-20 16:00:22
  * @Description  : 
  */
 
@@ -9,13 +9,22 @@ import 'package:azlistview/azlistview.dart';
 import 'package:lpinyin/lpinyin.dart';
 import 'package:tcp_client/repositories/common_models/userinfo.dart';
 
+enum ContactStatus { added, pending, requesting }
+
 class ContactModel extends ISuspensionBean {
   final UserInfo userInfo;
+  final ContactStatus status;
 
-  ContactModel({required this.userInfo});
+  ContactModel({required this.userInfo, required this.status});
 
   @override
   String getSuspensionTag() {
+    if(status == ContactStatus.pending) {
+      return '⨂';
+    }
+    else if(status == ContactStatus.requesting) {
+      return '⊙';
+    }
     var pinyin = PinyinHelper.getPinyinE(userInfo.userName);
     var tag = pinyin.substring(0, 1).toUpperCase();
     if(!RegExp('[A-Z]').hasMatch(tag)) {

lib/home/view/contact_page/view/contact_tile.dart

@@ -1,30 +1,34 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 14:02:00
- * @LastEditTime : 2022-10-18 11:25:32
+ * @LastEditTime : 2022-10-20 16:26:33
  * @Description  : 
  */
 
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:loading_indicator/loading_indicator.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import 'package:tcp_client/chat/chat_page.dart';
 import 'package:tcp_client/common/avatar/avatar.dart';
 import 'package:tcp_client/common/username/username.dart';
 import 'package:tcp_client/home/cubit/home_cubit.dart';
 import 'package:tcp_client/home/cubit/home_state.dart';
+import 'package:tcp_client/home/view/contact_page/cubit/contact_cubit.dart';
+import 'package:tcp_client/home/view/contact_page/models/contact_model.dart';
 import 'package:tcp_client/home/view/message_page/cubit/msg_list_cubit.dart';
-import 'package:tcp_client/repositories/common_models/userinfo.dart';
 import 'package:tcp_client/repositories/local_service_repository/local_service_repository.dart';
+import 'package:tcp_client/repositories/tcp_repository/models/tcp_request.dart';
 import 'package:tcp_client/repositories/tcp_repository/tcp_repository.dart';
 import 'package:tcp_client/repositories/user_repository/user_repository.dart';
 
 class ContactTile extends StatelessWidget {
   const ContactTile({
-    required this.userInfo,
+    required this.contactInfo,
     super.key
   });
 
-  final UserInfo userInfo;
+  final ContactModel contactInfo;
 
   @override
   Widget build(BuildContext context) {
@@ -33,16 +37,16 @@ class ContactTile extends StatelessWidget {
         fit: StackFit.expand,
         children: [
           InkWell(
-            onTap: () {
+            onTap: contactInfo.status == ContactStatus.added ? () {
               Navigator.of(context).push(ChatPage.route(
                 userRepository: context.read<UserRepository>(),
                 localServiceRepository: context.read<LocalServiceRepository>(),
                 tcpRepository: context.read<TCPRepository>(),
-                userID: userInfo.userID
+                userID: contactInfo.userInfo.userID
               ));
-              context.read<MessageListCubit>().addEmptyMessageOf(targetUser: userInfo.userID);
+              context.read<MessageListCubit>().addEmptyMessageOf(targetUser: contactInfo.userInfo.userID);
               context.read<HomeCubit>().switchPage(HomePagePosition.message);
-            },
+            } : (){},
           ),
           Padding(
             padding: const EdgeInsets.symmetric(
@@ -52,7 +56,7 @@ class ContactTile extends StatelessWidget {
             child: Row(
               children: [
                 IgnorePointer(
-                  child: UserAvatar(userid: userInfo.userID),
+                  child: UserAvatar(userid: contactInfo.userInfo.userID),
                 ),
                 const SizedBox(width: 12,),
                 Expanded(
@@ -61,10 +65,32 @@ class ContactTile extends StatelessWidget {
                       vertical: 12.0
                     ),
                     child: IgnorePointer(
-                      child: UserNameText(userid: userInfo.userID,)
+                      child: UserNameText(userid: contactInfo.userInfo.userID,)
                     ),
                   )
                 ),
+                Padding(
+                  padding: const EdgeInsets.symmetric(horizontal: 12.0),
+                  child: contactInfo.status == ContactStatus.added ? null :
+                          contactInfo.status == ContactStatus.pending ? 
+                            SizedBox(
+                              width: 24,
+                              height: 24,
+                              child: LoadingIndicator(
+                                indicatorType: Indicator.ballPulse, 
+                                colors: [Colors.blue.withOpacity(0.5)],
+                              ),
+                            ) :
+                          TextButton(
+                            onPressed: () async {
+                              context.read<ContactCubit>().tcpRepository.pushRequest(AddContactRequest(
+                                userid: contactInfo.userInfo.userID, 
+                                token: (await SharedPreferences.getInstance()).getInt('token')
+                              ));
+                            },
+                            child: const Text('Confirm'),
+                          ),
+                )
               ],
             ),
           ),

lib/home/view/message_page/cubit/msg_list_cubit.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 23:38:31
- * @LastEditTime : 2022-10-17 17:15:12
+ * @LastEditTime : 2022-10-19 18:02:22
  * @Description  : 
  */
 
@@ -82,6 +82,8 @@ class MessageListCubit extends Cubit<MessageListState> {
               message: message,
               targetUser: targetUser
             )));
+            var msgUserList = state.messageList.map((e) => e.targetUser.toString()).toList();
+            pref.setStringList('${currentUserID}msg', msgUserList);
           }
         }
         break;

lib/home/view/message_page/view/message_tile.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 13:17:52
- * @LastEditTime : 2022-10-18 11:25:40
+ * @LastEditTime : 2022-10-20 00:52:14
  * @Description  : 
  */
 
@@ -106,7 +106,7 @@ class MessageTile extends StatelessWidget {
                         ),
                         child: IgnorePointer(
                           child: Text(
-                            message?.contentDecoded ?? '',
+                            message?.type == MessageType.image ? '[Image]' : message?.contentDecoded ?? '',
                             maxLines: 1,
                             overflow: TextOverflow.ellipsis,
                             style: const TextStyle(

lib/home/view/profile_page/profile_page.dart

@@ -1,20 +1,28 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 23:36:12
- * @LastEditTime : 2022-10-14 12:10:34
+ * @LastEditTime : 2022-10-20 11:45:15
  * @Description  : 
  */
 
+import 'dart:convert';
+
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import 'package:tcp_client/common/avatar/avatar.dart';
 import 'package:tcp_client/common/username/username.dart';
+import 'package:tcp_client/home/cubit/home_cubit.dart';
 import 'package:tcp_client/home/view/profile_page/cubit/log_out_cubit.dart';
 import 'package:tcp_client/home/view/profile_page/cubit/log_out_state.dart';
 import 'package:tcp_client/home/view/profile_page/view/log_out_button.dart';
 import 'package:tcp_client/login/login_page.dart';
+import 'package:tcp_client/repositories/common_models/userinfo.dart';
 import 'package:tcp_client/repositories/local_service_repository/local_service_repository.dart';
+import 'package:tcp_client/repositories/tcp_repository/models/tcp_request.dart';
 import 'package:tcp_client/repositories/tcp_repository/tcp_repository.dart';
+import 'package:tcp_client/repositories/user_repository/user_repository.dart';
 
 class MyProfilePage extends StatelessWidget {
   const MyProfilePage({
@@ -62,7 +70,29 @@ class MyProfilePage extends StatelessWidget {
                 mainAxisAlignment: MainAxisAlignment.center,
                 crossAxisAlignment: CrossAxisAlignment.center,
                 children: [
-                  UserAvatar(userid: userID, size: 96,),
+                  UserAvatar(
+                    userid: userID, 
+                    size: 96,
+                    onTap: () async {
+                      var homeCubit = context.read<HomeCubit>();
+                      var userInfo = context.read<UserRepository>().getUserInfo(userid: userID);
+                      homeCubit.localServiceRepository.pickFile(FileType.image).then((img) async {
+                        if(img != null) {
+                          var pref = await SharedPreferences.getInstance();
+                          var token = pref.getInt('token');
+                          var newRequest = ModifyProfileRequest(
+                            userInfo: UserInfo(
+                              userid: userID,
+                              username: userInfo.userName,
+                              avatar: base64.encode(await img.readAsBytes())
+                            ),
+                            token: token
+                          );
+                          homeCubit.tcpRepository.pushRequest(newRequest);
+                        }
+                      });
+                    },
+                  ),
                   const SizedBox(height: 48,),
                   UserNameText(
                     userid: userID, 

lib/login/cubit/login_cubit.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 15:38:07
- * @LastEditTime : 2022-10-12 17:36:53
+ * @LastEditTime : 2022-10-20 20:51:09
  * @Description  : 
  */
 
@@ -47,7 +47,8 @@ class LoginCubit extends Cubit<LoginState> {
   Future<void> onSubmission() async {
     if(state.status.isValidated) {
       emit(state.copyWith(
-        status: FormzStatus.submissionInProgress
+        status: FormzStatus.submissionInProgress,
+        info: ""
       ));
       tcpRepository.pushRequest(LoginRequest(
         identity: UserIdentity(
@@ -67,7 +68,8 @@ class LoginCubit extends Cubit<LoginState> {
           }
           else {
             emit(state.copyWith(
-              status: FormzStatus.submissionFailure
+              status: FormzStatus.submissionFailure,
+              info: response.info?.replaceAll('Exception: ', ''),
             ));
           }
           break;

lib/login/cubit/login_state.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 15:38:13
- * @LastEditTime : 2022-10-12 16:24:42
+ * @LastEditTime : 2022-10-20 20:49:43
  * @Description  : 
  */
 
@@ -16,28 +16,32 @@ class LoginState extends Equatable {
   final String avatar;
 
   final FormzStatus status;
+  final String info;
 
   const LoginState({
     this.status = FormzStatus.pure,
     this.username = const Username.pure(),
     this.password = const Password.pure(),
-    this.avatar = ""
+    this.avatar = "",
+    this.info = ""
   });
 
   LoginState copyWith({
     FormzStatus? status,
     Username? username,
     Password? password,
-    String? avatar
+    String? avatar,
+    String? info,
   }) {
     return LoginState(
       status: status ?? this.status,
       username: username ?? this.username,
       password: password ?? this.password,
-      avatar: avatar ?? this.avatar
+      avatar: avatar ?? this.avatar,
+      info: info ?? this.info
     );
   }
 
   @override
-  List<Object?> get props => [status, username, password, avatar];
+  List<Object?> get props => [status, username, password, avatar, info];
 }

lib/login/login_page.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 15:06:30
- * @LastEditTime : 2022-10-14 10:47:08
+ * @LastEditTime : 2022-10-20 20:55:07
  * @Description  : 
  */
 
@@ -46,11 +46,13 @@ class LoginPage extends StatelessWidget {
         body: BlocListener<LoginCubit, LoginState>(
           listener:(context, state) {
             if(state.status == FormzStatus.submissionFailure) {
+              ScaffoldMessenger.of(context).hideCurrentSnackBar();
               ScaffoldMessenger.of(context).showSnackBar(
-                const SnackBar(content: Text('Login Failed'))
+                SnackBar(content: Text('Login Failed${state.info.isNotEmpty ? ': ${state.info}' : ''}'))
               );
             }
             else if(state.status == FormzStatus.submissionSuccess) {
+              ScaffoldMessenger.of(context).hideCurrentSnackBar();
               ScaffoldMessenger.of(context).showSnackBar(
                 const SnackBar(content: Text('Login Successed'))
               );

lib/login/view/login_form.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 16:29:25
- * @LastEditTime : 2022-10-12 17:31:23
+ * @LastEditTime : 2022-10-20 20:43:51
  * @Description  : 
  */
 
@@ -103,8 +103,13 @@ class SubmitButton extends StatelessWidget {
               }),
               overlayColor: MaterialStateProperty.all(Colors.blue[900]!.withOpacity(0.2))
             ),
-            onPressed: state.status == FormzStatus.submissionInProgress ? null : () {
-              context.read<LoginCubit>().onSubmission();
+            onPressed: () {
+              if(
+                state.status == FormzStatus.valid || 
+                state.status == FormzStatus.submissionFailure
+              ) {
+                context.read<LoginCubit>().onSubmission();
+              }
             },
             child: state.status == FormzStatus.submissionInProgress ?
               const SizedBox(

lib/main.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-10 08:04:53
- * @LastEditTime : 2022-10-19 11:17:44
+ * @LastEditTime : 2022-10-20 23:11:45
  * @Description  : 
  */
 import 'package:easy_debounce/easy_debounce.dart';
@@ -38,12 +38,12 @@ void main() async {
     skipTaskbar: false,
     titleBarStyle: TitleBarStyle.normal
   );
-  windowManager.waitUntilReadyToShow(windowOptions, () async {
-    await windowManager.show();
-    await windowManager.focus();
+  await windowManager.waitUntilReadyToShow(windowOptions, () async {
     if(posX != null && posY != null) {
       await windowManager.setPosition(Offset(posX, posY));
     }
+    await windowManager.show();
+    await windowManager.focus();
   });
 
   //---------------------------------------------------------------------

lib/profile/cubit/user_profile_cubit.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-14 08:54:32
- * @LastEditTime : 2022-10-14 11:30:59
+ * @LastEditTime : 2022-10-20 16:45:19
  * @Description  : 
  */
 
@@ -26,10 +26,10 @@ class UserProfileCubit extends Cubit<UserProfileState> {
   Future<void> updateContactStatus() async {
     if(userID == (await SharedPreferences.getInstance()).getInt('userid')) {
       emit(const UserProfileState(status: ContactStatus.none));
+      return;
     }
-    var clonedTCPRepository = await tcpRepository.clone();
-    clonedTCPRepository.pushRequest(FetchContactRequest(token: (await SharedPreferences.getInstance()).getInt('token')));
-    await for(var response in clonedTCPRepository.responseStreamBroadcast) {
+    tcpRepository.pushRequest(FetchContactRequest(token: (await SharedPreferences.getInstance()).getInt('token')));
+    await for(var response in tcpRepository.responseStreamBroadcast) {
       if(response.type == TCPResponseType.fetchContact) {
         response as FetchContactResponse;
         if(response.addedContacts.any((element) => element.userID == userID)) {
@@ -44,7 +44,6 @@ class UserProfileCubit extends Cubit<UserProfileState> {
         break;
       }
     }
-    clonedTCPRepository.dispose();
   }
 
   Future<void> addContact() async {

lib/register/cubit/register_cubit.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 15:38:07
- * @LastEditTime : 2022-10-12 17:52:03
+ * @LastEditTime : 2022-10-20 20:53:03
  * @Description  : 
  */
 
@@ -47,7 +47,8 @@ class RegisterCubit extends Cubit<RegisterState> {
   Future<void> onSubmission() async {
     if(state.status.isValidated) {
       emit(state.copyWith(
-        status: FormzStatus.submissionInProgress
+        status: FormzStatus.submissionInProgress,
+        info: ""
       ));
       tcpRepository.pushRequest(RegisterRequest(
         identity: UserIdentity(
@@ -67,7 +68,8 @@ class RegisterCubit extends Cubit<RegisterState> {
           }
           else {
             emit(state.copyWith(
-              status: FormzStatus.submissionFailure
+              status: FormzStatus.submissionFailure,
+              info: response.info?.replaceAll('Exception: ', ''),
             ));
           }
           break;

lib/register/cubit/register_state.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 15:38:13
- * @LastEditTime : 2022-10-12 17:40:39
+ * @LastEditTime : 2022-10-20 20:52:19
  * @Description  : 
  */
 
@@ -16,28 +16,32 @@ class RegisterState extends Equatable {
   final String avatar;
 
   final FormzStatus status;
+  final String info;
 
   const RegisterState({
     this.status = FormzStatus.pure,
     this.username = const Username.pure(),
     this.password = const Password.pure(),
-    this.avatar = ""
+    this.avatar = "",
+    this.info = ""
   });
 
   RegisterState copyWith({
     FormzStatus? status,
     Username? username,
     Password? password,
-    String? avatar
+    String? avatar,
+    String? info,
   }) {
     return RegisterState(
       status: status ?? this.status,
       username: username ?? this.username,
       password: password ?? this.password,
-      avatar: avatar ?? this.avatar
+      avatar: avatar ?? this.avatar,
+      info: info ?? this.info
     );
   }
 
   @override
-  List<Object?> get props => [status, username, password, avatar];
+  List<Object?> get props => [status, username, password, avatar, info];
 }

lib/register/register_page.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 17:36:38
- * @LastEditTime : 2022-10-19 11:14:06
+ * @LastEditTime : 2022-10-20 20:55:17
  * @Description  : 
  */
 /*
@@ -56,11 +56,13 @@ class RegisterPage extends StatelessWidget {
         body: BlocListener<RegisterCubit, RegisterState>(
           listener:(context, state) {
             if(state.status == FormzStatus.submissionFailure) {
+              ScaffoldMessenger.of(context).hideCurrentSnackBar();
               ScaffoldMessenger.of(context).showSnackBar(
-                const SnackBar(content: Text('Register Failed'))
+                SnackBar(content: Text('Register Failed${state.info.isNotEmpty ? ': ${state.info}' : ''}'))
               );
             }
             else if(state.status == FormzStatus.submissionSuccess) {
+              ScaffoldMessenger.of(context).hideCurrentSnackBar();
               ScaffoldMessenger.of(context).showSnackBar(
                 const SnackBar(content: Text('Register Successed'))
               );

lib/register/view/register_form.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-12 16:29:25
- * @LastEditTime : 2022-10-12 17:44:33
+ * @LastEditTime : 2022-10-20 20:54:22
  * @Description  : 
  */
 
@@ -103,8 +103,13 @@ class SubmitButton extends StatelessWidget {
               }),
               overlayColor: MaterialStateProperty.all(Colors.blue[900]!.withOpacity(0.2))
             ),
-            onPressed: state.status == FormzStatus.submissionInProgress ? null : () {
-              context.read<RegisterCubit>().onSubmission();
+            onPressed: () {
+              if(
+                state.status == FormzStatus.valid || 
+                state.status == FormzStatus.submissionFailure
+              ) {
+                context.read<RegisterCubit>().onSubmission();
+              }
             },
             child: state.status == FormzStatus.submissionInProgress ?
               const SizedBox(

lib/repositories/local_service_repository/local_service_repository.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-11 10:56:02
- * @LastEditTime : 2022-10-19 10:28:21
+ * @LastEditTime : 2022-10-20 17:24:26
  * @Description  : Local Service Repository
  */
 
@@ -151,9 +151,9 @@ class LocalServiceRepository {
     var currentUserID = pref.getInt('userid');
     var rawMessages = await _database.query(
       'msgs',
-      where: '(userid = ? or targetid = ?)',
+      where: '(userid = ? or targetid = ?) and not contenttype = ?',
       whereArgs: [
-        currentUserID, currentUserID
+        currentUserID, currentUserID, MessageType.image.literal
       ],
       orderBy: 'timestamp desc',
       limit: 100
@@ -161,7 +161,7 @@ class LocalServiceRepository {
     List<Message> alikeMessages = [];
     for(var rawMessage in rawMessages) {
       var message = Message.fromJSONObject(jsonObject: rawMessage);
-      if(message.contentDecoded.contains(pattern)) {
+      if(message.contentDecoded.toLowerCase().contains(pattern.toLowerCase())) {
         alikeMessages.add(message);
       }
     }

lib/repositories/user_repository/user_repository.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 20:18:14
- * @LastEditTime : 2022-10-13 21:26:16
+ * @LastEditTime : 2022-10-20 11:50:26
  * @Description  : Repository to cache user info
  */
 
@@ -40,6 +40,12 @@ class UserRepository {
       _userInfoStreamController.add(response.userInfo!);
       localServiceRepository.storeUserInfo(userInfo: response.userInfo!);
     }
+    else if(response.type == TCPResponseType.modifyProfile && response.status == TCPResponseStatus.ok) {
+      response as ModifyProfileResponse;
+      users.update(response.userInfo!.userID, (value) => response.userInfo!, ifAbsent: () => response.userInfo!);
+      _userInfoStreamController.add(response.userInfo!);
+      localServiceRepository.storeUserInfo(userInfo: response.userInfo!);
+    }
   }
 
   //Fetch user info

lib/search/view/search_bar.dart

@@ -1,7 +1,7 @@
 /*
  * @Author       : Linloir
  * @Date         : 2022-10-13 17:06:52
- * @LastEditTime : 2022-10-13 21:35:11
+ * @LastEditTime : 2022-10-20 17:30:37
  * @Description  : 
  */
 
@@ -14,10 +14,32 @@ class SearchBar extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return TextField(
-      onChanged: (value) {
-        context.read<SearchCubit>().onKeyChanged(value);
-      },
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 2.0),
+      child: TextField(
+        onChanged: (value) {
+          context.read<SearchCubit>().onKeyChanged(value);
+        },
+        style: const TextStyle(
+          color: Colors.white,
+          fontSize: 18.0
+        ),
+        showCursor: true,
+        cursorColor: Colors.white,
+        decoration: const InputDecoration(
+          border: InputBorder.none
+          // errorBorder: UnderlineInputBorder(
+          //   borderSide: BorderSide(color: Colors.red, width: 2.0)
+          // ),
+          // disabledBorder: InputBorder.none,
+          // enabledBorder: UnderlineInputBorder(
+          //   borderSide: BorderSide(color: Colors.blue, width: 2.0)
+          // ),
+          // focusedBorder: UnderlineInputBorder(
+          //   borderSide: BorderSide(color: Colors.white, width: 2.0)
+          // )
+        ),
+      ),
     );
   }
 }

license

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
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+
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+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
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+specifically granted under this License.  You may not convey a covered
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+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
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+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
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+
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+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
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+to attach them to the start of each source file to most effectively
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+    Copyright (C) <year>  <name of author>
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+    it under the terms of the GNU General Public License as published by
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+
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+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

pubspec.lock

@@ -78,6 +78,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.2+1"
+  easy_image_viewer:
+    dependency: "direct main"
+    description:
+      name: easy_image_viewer
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.0"
   equatable:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -1,5 +1,5 @@
 name: tcp_client
-description: A new Flutter project.
+description: A chat client based on TCP connection
 
 # The following line prevents the package from being accidentally published to
 # pub.dev using `flutter pub publish`. This is preferred for private packages.
@@ -17,7 +17,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.0.0+1
+version: 1.2.0
 
 environment:
   sdk: '>=2.18.2 <3.0.0'
@@ -57,6 +57,7 @@ dependencies:
   easy_debounce: ^2.0.2+1
   path: ^1.8.2
   window_manager: ^0.2.7
+  easy_image_viewer: ^1.1.0
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.

windows/runner/win32_window.cpp

@@ -105,6 +105,31 @@ Win32Window::~Win32Window() {
 bool Win32Window::CreateAndShow(const std::wstring& title,
                                 const Point& origin,
                                 const Size& size) {
+
+  HANDLE hMutexHandle=CreateMutex(NULL, TRUE, L"com.linloir.lchatclient.mutex");
+  HWND handle=FindWindowA(NULL, "tcp_client");
+
+  if (hMutexHandle == NULL || GetLastError() == ERROR_ALREADY_EXISTS)
+  {
+    WINDOWPLACEMENT place = {sizeof(WINDOWPLACEMENT)};
+    GetWindowPlacement(handle, &place);
+    switch (place.showCmd)
+    {
+      case SW_SHOWMAXIMIZED:
+        ShowWindow(handle, SW_SHOWMAXIMIZED);
+        break;
+      case SW_SHOWMINIMIZED:
+        ShowWindow(handle, SW_RESTORE);
+        break;
+      default:
+        ShowWindow(handle, SW_NORMAL);
+        break;
+    }
+    SetWindowPos(0, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE);
+    SetForegroundWindow(handle);
+    return 0;
+  }
+
   Destroy();
 
   const wchar_t* window_class =