From df1649636b81349fc6558f7de66ee7afc2e5788d Mon Sep 17 00:00:00 2001
From: jsd1982 <james.jdunne@gmail.com>
Date: Tue, 4 Mar 2025 21:57:38 -0600
Subject: [PATCH] ui: fix script console to use a ListView widget for
 performance (instead of TextEdit) and auto-scroll to the bottom when
 appending new items

---
 bsnes/target-bsnes/program/program.hpp      |  1 -
 bsnes/target-bsnes/program/script.cpp       | 13 +++----
 bsnes/target-bsnes/tools/script-console.cpp | 41 +++++++++++++++------
 bsnes/target-bsnes/tools/tools.hpp          |  8 ++--
 4 files changed, 39 insertions(+), 24 deletions(-)

diff --git a/bsnes/target-bsnes/program/program.hpp b/bsnes/target-bsnes/program/program.hpp
index 70daafd61..a346a8970 100644
--- a/bsnes/target-bsnes/program/program.hpp
+++ b/bsnes/target-bsnes/program/program.hpp
@@ -223,7 +223,6 @@ struct Program : Lock, Emulator::Platform {
     asIScriptEngine *engine;
 
     string location;
-    string console;
   } scriptHostState;
 
   vector<tuple<shared_pointer<HID::Device>, uint>> escapeKeys;
diff --git a/bsnes/target-bsnes/program/script.cpp b/bsnes/target-bsnes/program/script.cpp
index fd18ae16a..6d4c38811 100644
--- a/bsnes/target-bsnes/program/script.cpp
+++ b/bsnes/target-bsnes/program/script.cpp
@@ -5,15 +5,14 @@ auto Program::scriptMessage(const string& msg, bool alert, ::Script::MessageLeve
   auto levelName = ::Script::nameMessageLevel(level);
 
   // append to stdout:
-  printf("[%s] %.*s\n", levelName, msg.size(), msg.data());
+  if (level != ::Script::MessageLevel::MSG_INFO) {
+    printf("[%s] %.*s\n", levelName, msg.size(), msg.data());
+  } else {
+    printf("%.*s\n", msg.size(), msg.data());
+  }
 
   // append to script console:
-  scriptHostState.console.append("[");
-  scriptHostState.console.append(levelName);
-  scriptHostState.console.append("] ");
-  scriptHostState.console.append(msg);
-  scriptHostState.console.append("\n");
-  scriptConsole.update();
+  scriptConsole.appendItem(msg, level);
 
   // alert in status bar:
   if (alert) {
diff --git a/bsnes/target-bsnes/tools/script-console.cpp b/bsnes/target-bsnes/tools/script-console.cpp
index b1f98f361..cf81d577e 100644
--- a/bsnes/target-bsnes/tools/script-console.cpp
+++ b/bsnes/target-bsnes/tools/script-console.cpp
@@ -2,23 +2,42 @@ auto ScriptConsole::create() -> void {
   setCollapsible();
   setVisible(false);
 
-  #if 0 && defined(Hiro_SourceEdit)
-  consoleView.setFont(Font().setFamily(Font::Mono).setSize(10));
-  #else
-  consoleView.setFont(Font().setFamily(Font::Mono));
-  #endif
-  consoleView.setEditable(false);
-  consoleView.setWordWrap(false);
+  consoleView.reset();
+  consoleView.setBatchable(true);
 
   nameLabel.setText("no script loaded");
   loadButton.setText("Clear").onActivate([&] {
-    program.scriptHostState.console = "";
-    update();
+    clear();
   });
 }
 
+auto ScriptConsole::appendItem(const string& msg, ::Script::MessageLevel level) -> void {
+  auto item = ListViewItem().setText(msg);
+  switch (level) {
+    case ::Script::MessageLevel::MSG_DEBUG:
+      item.setIcon(Icon::Prompt::Question);
+      break;
+    case ::Script::MessageLevel::MSG_WARN:
+      item.setIcon(Icon::Prompt::Warning);
+      break;
+    case ::Script::MessageLevel::MSG_ERROR:
+      item.setIcon(Icon::Prompt::Error);
+      break;
+    case ::Script::MessageLevel::MSG_INFO:
+    default:
+      item.setIcon(Icon::Prompt::Information);
+      break;
+  }
+
+  consoleView.append(item);
+  // NOTE(jsd): hack to scroll the item into view
+  item.setFocused();
+}
+
+auto ScriptConsole::clear() -> void {
+  consoleView.reset();
+}
+
 auto ScriptConsole::update() -> void {
   nameLabel.setText(program.scriptHostState.location);
-  consoleView.setText(program.scriptHostState.console);
-  consoleView.setTextCursor(program.scriptHostState.console.size());
 }
diff --git a/bsnes/target-bsnes/tools/tools.hpp b/bsnes/target-bsnes/tools/tools.hpp
index 112ec738d..f4b3eeb44 100644
--- a/bsnes/target-bsnes/tools/tools.hpp
+++ b/bsnes/target-bsnes/tools/tools.hpp
@@ -182,17 +182,15 @@ struct ManifestViewer : VerticalLayout {
 
 struct ScriptConsole : VerticalLayout {
   auto create() -> void;
+  auto appendItem(const string& msg, ::Script::MessageLevel level = ::Script::MessageLevel::MSG_INFO) -> void;
+  auto clear() -> void;
   auto update() -> void;
 
 public:
   HorizontalLayout informationLayout{this, Size{~0, 0}};
     Label nameLabel{&informationLayout, Size{~0, 0}};
     Button loadButton{&informationLayout, Size{80_sx, 0}};
-#if 0 && defined(Hiro_SourceEdit)
-  SourceEdit consoleView{this, Size{~0, ~0}};
-#else
-  TextEdit consoleView{this, Size{~0, ~0}};
-#endif
+  ListView consoleView{this, Size{~0, ~0}};
 };
 
 struct ToolsWindow : Window {