make it closer to reality

pom.xml

@@ -15,6 +15,13 @@
         <exec.mainClass>eu.m724.chaqt.Main</exec.mainClass>
     </properties>
 
+    <repositories>
+        <repository>
+            <id>m724</id>
+            <url>https://git.m724.eu/api/packages/Minecon724/maven</url>
+        </repository>
+    </repositories>
+
     <dependencies>
         <dependency>
             <groupId>io.qtjambi</groupId>
@@ -26,6 +33,11 @@
             <artifactId>qtjambi-native-linux-x64</artifactId>
             <version>6.7.2</version>
         </dependency>
+        <dependency>
+            <groupId>eu.m724</groupId>
+            <artifactId>chatapi</artifactId>
+            <version>1.0</version>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/eu/m724/chaqt/ChatWindowViewModel.java

@@ -0,0 +1,14 @@
+package eu.m724.chaqt;
+
+import eu.m724.chatapi.chat.Chat;
+
+public class ChatWindowViewModel {
+    private ChatWindowWidget widget;
+
+    private Chat chat;
+
+    public ChatWindowViewModel(ChatWindowWidget widget, Chat chat) {
+        this.widget = widget;
+        this.chat = chat;
+    }
+}

src/main/java/eu/m724/chaqt/ChatWindowWidget.java

@@ -0,0 +1,62 @@
+package eu.m724.chaqt;
+
+import eu.m724.chatapi.chat.Chat;
+import io.qt.core.Qt;
+import io.qt.widgets.*;
+
+public class ChatWindowWidget extends QWidget {
+    private ChatWindowViewModel viewModel;
+
+    private QVBoxLayout layout;
+    private QTextEdit textEdit;
+
+    public ChatWindowWidget(Chat chat) {
+        this.viewModel = new ChatWindowViewModel(this, chat);
+
+        //
+
+        this.layout = new QVBoxLayout();
+        layout.setAlignment(Qt.AlignmentFlag.AlignBottom); // or top?
+
+        QWidget widget = new QWidget();
+        widget.setLayout(layout);
+
+        QScrollArea scrollArea = new QScrollArea();
+        scrollArea.setWidgetResizable(true);
+        scrollArea.setWidget(widget);
+
+        //
+
+        this.textEdit = new QTextEdit();
+        textEdit.setPlaceholderText("Write a message...");
+        textEdit.textChanged.connect(this, "handleComposerType()");
+
+        QPushButton sendButton = new QPushButton("Send");
+
+        QHBoxLayout composerLayout = new QHBoxLayout();
+        composerLayout.addWidget(textEdit);
+        composerLayout.addWidget(sendButton, 0, Qt.AlignmentFlag.AlignBottom);
+
+        QWidget composerWidget = new QWidget();
+        composerWidget.setLayout(composerLayout);
+
+        handleComposerType(); // TODO make it resizable and fix it
+
+        //
+
+        QVBoxLayout mainLayout = new QVBoxLayout();
+        mainLayout.addWidget(scrollArea, 1);
+        mainLayout.addWidget(composerWidget);
+        setLayout(mainLayout);
+
+        for (int i=0; i<10; i++) {
+            QPushButton pushButton = new QPushButton("hello");
+            layout.addWidget(pushButton);
+        }
+    }
+
+    public void handleComposerType() {
+        int height = (int) textEdit.document().size().height();
+        textEdit.setFixedHeight(height + textEdit.contentsMargins().top() + textEdit.contentsMargins().bottom());
+    }
+}

src/main/java/eu/m724/chaqt/Main.java

@@ -1,5 +1,6 @@
 package eu.m724.chaqt;
 
+import eu.m724.chatapi.chat.Chat;
 import io.qt.widgets.QApplication;
 import io.qt.widgets.QMessageBox;
 
@@ -8,8 +9,10 @@ public class Main  {
     public static void main(String[] args) {
         QApplication.initialize(args);
 
-        HelloWorld hello = new HelloWorld();
-        hello.show();
+        Chat chat = new Chat();
+
+        ChatWindowWidget widget = new ChatWindowWidget(chat);
+        widget.show();
 
         QApplication.exec();
     }