From f45826db85a9848ccfb10c0f495f1469229ae4af Mon Sep 17 00:00:00 2001
From: Dave Smith <davesmith.00000@gmail.com>
Date: Thu, 26 Oct 2023 20:36:15 +0100
Subject: [PATCH] Basic content, not quite right.

---
 .../src/main/scala/roguepaint/PaintScene.scala | 14 ++++++++++----
 .../scala/roguepaint/components/Window.scala   | 18 ++++++++++++++----
 .../roguepaint/components/WindowManager.scala  |  6 +++---
 3 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/paint/src/main/scala/roguepaint/PaintScene.scala b/paint/src/main/scala/roguepaint/PaintScene.scala
index 07e4336a..1cb280ed 100644
--- a/paint/src/main/scala/roguepaint/PaintScene.scala
+++ b/paint/src/main/scala/roguepaint/PaintScene.scala
@@ -66,11 +66,9 @@ object PaintScene extends Scene[Size, Model, ViewModel]:
     Outcome(
       SceneUpdateFragment(
         Layer(
-          Batch(viewModel.bg) ++
-            tiles.clones
+          Batch(viewModel.bg)
         )
-      )
-        .addCloneBlanks(tiles.blanks)
+      ) |+| tiles
     )
 
 final case class PaintModel(windowManager: WindowManagerModel)
@@ -110,6 +108,14 @@ object PaintModel:
             .isCloseable
             .isDraggable
             .focus
+            .withContents { bounds =>
+              SceneUpdateFragment(
+                Shape.Circle(
+                  Circle(bounds.center, Math.min(bounds.size.width, bounds.size.height) / 2),
+                  Fill.Color(RGBA.Blue)
+                )
+              )
+            }
         )
     )
 
diff --git a/paint/src/main/scala/roguepaint/components/Window.scala b/paint/src/main/scala/roguepaint/components/Window.scala
index fe5113de..0b97b67f 100644
--- a/paint/src/main/scala/roguepaint/components/Window.scala
+++ b/paint/src/main/scala/roguepaint/components/Window.scala
@@ -91,8 +91,10 @@ object Window:
           Batch(WindowManagerEvent.Close(model.id))
         else Batch.empty
       val focus =
-        if actionsAllowed && !model.static && model.bounds.resize(model.bounds.size - 1).contains(gridPos) then
-          Batch(WindowManagerEvent.GiveFocusAt(gridPos))
+        if actionsAllowed && !model.static && model.bounds
+            .resize(model.bounds.size - 1)
+            .contains(gridPos)
+        then Batch(WindowManagerEvent.GiveFocusAt(gridPos))
         else Batch.empty
 
       Outcome(viewModel)
@@ -156,8 +158,11 @@ object Window:
     case _ =>
       Outcome(viewModel)
 
-  def present(viewModel: WindowViewModel): TerminalClones =
-    viewModel.terminalClones
+  def present(model: WindowModel, viewModel: WindowViewModel): SceneUpdateFragment =
+    SceneUpdateFragment(
+      viewModel.terminalClones.clones
+    ).addCloneBlanks(viewModel.terminalClones.blanks) |+|
+      model.contents(model.bounds.resize(model.bounds.size * charSize).moveTo(model.bounds.position * charSize))
 
 opaque type WindowId = String
 object WindowId:
@@ -168,6 +173,7 @@ final case class WindowModel(
     id: WindowId,
     bounds: Rectangle,
     title: Option[String],
+    contents: Rectangle => SceneUpdateFragment,
     draggable: Boolean,
     resizable: Boolean,
     closeable: Boolean,
@@ -206,6 +212,9 @@ final case class WindowModel(
   def withTitle(value: String): WindowModel =
     this.copy(title = Option(value))
 
+  def withContents(f: Rectangle => SceneUpdateFragment): WindowModel =
+    this.copy(contents = f)
+
   def withDraggable(value: Boolean): WindowModel =
     this.copy(draggable = value)
   def isDraggable: WindowModel =
@@ -251,6 +260,7 @@ object WindowModel:
       id,
       Rectangle(Point.zero, Size.zero),
       None,
+      (r: Rectangle) => SceneUpdateFragment.empty,
       false,
       false,
       false,
diff --git a/paint/src/main/scala/roguepaint/components/WindowManager.scala b/paint/src/main/scala/roguepaint/components/WindowManager.scala
index a83c2dc6..da6dd4d1 100644
--- a/paint/src/main/scala/roguepaint/components/WindowManager.scala
+++ b/paint/src/main/scala/roguepaint/components/WindowManager.scala
@@ -42,7 +42,7 @@ object WindowManager:
       frameContext: FrameContext[Size],
       model: WindowManagerModel,
       viewModel: WindowManagerViewModel
-  ): TerminalClones =
+  ): SceneUpdateFragment =
     model.windows
       .flatMap { m =>
         viewModel.windows.find(_.id == m.id) match
@@ -51,9 +51,9 @@ object WindowManager:
             Batch.empty
 
           case Some(vm) =>
-            Batch(Window.present(vm))
+            Batch(Window.present(m, vm))
       }
-      .foldLeft(TerminalClones.empty)(_ |+| _)
+      .foldLeft(SceneUpdateFragment.empty)(_ |+| _)
 
   extension (tc: TerminalClones)
     def |+|(other: TerminalClones): TerminalClones =