#131: Extend line size in send message to match full screen chat window

src/main/kotlin/chatroom/ChatroomWindow.kt

@@ -18,8 +18,6 @@ import org.koin.core.component.createScope
 import org.koin.core.component.inject
 import org.koin.core.scope.Scope
 import view.AppWindow
-import view.DEFAULT_TERMINAL_HEIGHT
-import view.DEFAULT_TERMINAL_WIDTH
 import view.linearLayoutFill
 
 class ChatroomWindow(
@@ -32,29 +30,23 @@ class ChatroomWindow(
 
     init {
         setHints(listOf(CENTERED))
-        val totalColumns = DEFAULT_TERMINAL_WIDTH * 3
-        val totalRows = DEFAULT_TERMINAL_HEIGHT
-        val leftWidth = LEFT_PANEL_WIDTH
-        val rightWidth = totalColumns - leftWidth
-        val sendMessagesHeight = 5
-        val chatHeight = totalRows - sendMessagesHeight
 
         val rightPanel =
             Panel(LinearLayout(VERTICAL)).apply {
-                setPreferredSize(TerminalSize(rightWidth, totalRows))
+                setPreferredSize(TerminalSize(RIGHT_WIDTH, TOTAL_ROWS))
                 addComponent(
                     viewMessages.bordered()
-                        .setPreferredSize(TerminalSize(0, chatHeight)).linearLayoutFill(),
+                        .setPreferredSize(TerminalSize(0, CHAT_HEIGHT)).linearLayoutFill(),
                 )
                 addComponent(
                     sendMessages.bordered()
-                        .setPreferredSize(TerminalSize(0, sendMessagesHeight)).linearLayoutFill(),
+                        .setPreferredSize(TerminalSize(0, SEND_MESSAGES_HEIGHT)).linearLayoutFill(),
                 )
             }
         val chatroom =
             Panel(LinearLayout(HORIZONTAL)).apply {
-                setPreferredSize(TerminalSize(totalColumns, totalRows))
-                addComponent(usersList.bordered().setPreferredSize(TerminalSize(leftWidth, 0)).linearLayoutFill())
+                setPreferredSize(TerminalSize(TOTAL_COLUMNS, TOTAL_ROWS))
+                addComponent(usersList.bordered().setPreferredSize(TerminalSize(LEFT_WIDTH, 0)).linearLayoutFill())
                 addComponent(rightPanel)
             }
         component = chatroom
@@ -65,8 +57,4 @@ class ChatroomWindow(
         scope.close()
         windowScope.cancel()
     }
-
-    companion object {
-        private const val LEFT_PANEL_WIDTH = 20
-    }
 }

src/main/kotlin/chatroom/ChatroomWindowConstants.kt

@@ -0,0 +1,19 @@
+package chatroom
+
+import view.DEFAULT_TERMINAL_HEIGHT
+import view.DEFAULT_TERMINAL_WIDTH
+
+const val TOTAL_COLUMNS = DEFAULT_TERMINAL_WIDTH * 3
+const val TOTAL_ROWS = DEFAULT_TERMINAL_HEIGHT
+const val LEFT_WIDTH = 20
+const val RIGHT_WIDTH = TOTAL_COLUMNS - LEFT_WIDTH
+const val SEND_MESSAGES_HEIGHT = 5
+const val SEND_MESSAGES_WIDTH = RIGHT_WIDTH - 7
+const val CHAT_HEIGHT = TOTAL_ROWS - SEND_MESSAGES_HEIGHT
+
+fun sendMessagesWidth(): Int {
+    assert(SEND_MESSAGES_WIDTH > 10) {
+        "Send Message Width must never be less than 10 columns."
+    }
+    return SEND_MESSAGES_WIDTH
+}

src/main/kotlin/chatroom/sendmessages/SendMessagePanel.kt

@@ -1,6 +1,7 @@
 package chatroom.sendmessages
 
 import chatroom.BorderedPanel
+import chatroom.sendMessagesWidth
 import chatroom.sendmessages.SendMessageEvent.SendMessage
 import chatroom.sendmessages.SendMessageViewState.Clear
 import com.googlecode.lanterna.TerminalSize
@@ -15,7 +16,7 @@ class SendMessagePanel(
 ) : Panel(BorderLayout()), BorderedPanel, SendMessagesView {
     private val message: CharacterWrapTextBox =
         CharacterWrapTextBox(
-            TerminalSize(20, 3),
+            TerminalSize(sendMessagesWidth(), 3),
         ) { presenter.onEvent(SendMessage(text)) }
     private val text: String
         get() = message.text