[studio/applib] Cleanup

[turbine] Cleanup
[nostalgia/gfx] Cleanup
2025-05-17 16:15:32 -05:00 · 2025-05-17 16:12:16 -05:00 · 2025-05-17 03:02:59 -05:00 · 2025-05-17 02:51:56 -05:00 · 2025-05-17 02:51:23 -05:00 · 2025-05-16 21:22:33 -05:00
55 changed files with 679 additions and 728 deletions
--- a/2
+++ b/2
@@ -19,7 +19,7 @@ pkg-gba: build

 .PHONY: pkg-mac
 pkg-mac: install
-	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-dmg.py
+	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-dmg.py NostalgiaStudio

 .PHONY: generate-studio-rsrc
 generate-studio-rsrc:
--- a/deps/buildcore/scripts/pybb.py
+++ b/deps/buildcore/scripts/pybb.py
@@ -11,7 +11,6 @@
 # "Python Busy Box" - adds cross-platform equivalents to Unix commands that
 #                     don't translate well to that other operating system

-import multiprocessing
 import os
 import platform
 import shutil
@@ -58,11 +57,7 @@ def cmake_build(base_path: str, target: Optional[str]) -> int:
        path = os.path.join(base_path, d)
        if not os.path.isdir(path):
            continue
-        args = ['cmake', '--build', path, f'-j{multiprocessing.cpu_count()}']
-        if path.endswith('release'):
-            args.append('--config=release')
-        elif path.endswith('debug'):
-            args.append('--config=debug')
+        args = ['cmake', '--build', path]
        if target is not None:
            args.extend(['--target', target])
        err = subprocess.run(args).returncode
--- a/deps/ox/src/ox/fs/filesystem/filelocation.hpp
+++ b/deps/ox/src/ox/fs/filesystem/filelocation.hpp
@@ -24,6 +24,9 @@ enum class FileAddressType: int8_t {
 	Inode,
 };

+template<typename T>
+constexpr Error model(T *h, CommonPtrWith<class FileAddress> auto *fa) noexcept;
+
 class FileAddress {

 	template<typename T>
--- a/deps/ox/src/ox/std/span.hpp
+++ b/deps/ox/src/ox/std/span.hpp
@@ -146,12 +146,7 @@ class Span {
 			return iterator<const T&, const T*, true>(m_items, MaxValue<size_type>, m_size);
 		}

-		constexpr T &operator[](std::size_t i) noexcept {
-			boundsCheck(__FILE__, __LINE__, i, size(), "Span access overflow");
-			return m_items[i];
-		}
-
-		constexpr T const&operator[](std::size_t i) const noexcept {
+		constexpr T &operator[](std::size_t i) const noexcept {
 			boundsCheck(__FILE__, __LINE__, i, size(), "Span access overflow");
 			return m_items[i];
 		}
--- a/deps/ox/src/ox/std/stringparam.hpp
+++ b/deps/ox/src/ox/std/stringparam.hpp
@@ -20,6 +20,8 @@ class StringParam {
 		constexpr StringParam(StringParam &&o) noexcept: m_value{std::move(o.m_value)} {}
 		constexpr StringParam(char const*value) noexcept: m_value{value} {}
 		constexpr StringParam(detail::BaseStringView const&value) noexcept: m_value{value} {}
+		template<size_t sz>
+		constexpr StringParam(ox::IString<sz> const&value) noexcept: m_value{value} {}
 		constexpr StringParam(ox::String const&value) noexcept: m_value{value} {}
 		constexpr StringParam(ox::String &&value) noexcept: m_value{std::move(value)} {}
 		constexpr operator ox::String() && noexcept { return std::move(m_value); }
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,35 +1,24 @@
 # d2025.06.0

-* Add ability to remember recent projects in config
 * PaletteEditor: Add RGB key shortcuts for focusing color channels

-# d2025.05.2
-
-* TileSheetEditor: Fix manual redo of draw actions, fix drawing to pixel 0, 0 as first action (cce5f52f96511694afd98f0b9b6b1f19c06ecd20)
-* TileSheetEditor: Fix draw command to work on same pixel after switching subsheets (514cb978351ee4b0a5335c22a506a6d9f608f0a7)
-
-# d2025.05.1
-
-* TileSheetEditor: Fix overrun errors when switching subsheets, clear selection
-  on switch (261e324acd)
-* Fix new build error that occurs in MSVC (26d5048e6720c4c2d52508a6ee44c67dd9fe3ee5)
-
 # d2025.05.0

 * Add app icon for both window and file
 * Change application font to Roboto Medium
 * Closing application will now confirm with user if any files have unsaved
  changes.
-* UUID duplicates will now be reported when opening a project
-* Deleting a directory now closes files in that directory
-* Delete key now initiates deletion of selected directory
+* UUID duplicates will now be reported when opening a project.
+* Deleting a directory now closes files in that directory.
+* Delete key now initiates deletion of selected directory.
 * Remove ability to re-order tabs. There were bugs associated with that.
-* TileSheetEditor: Fix selection clearing in to work when clicking outside
-  image.
+* Mac: Menu bar shortcuts now say Cmd instead of Ctrl.
+* TileSheetEditor: Fix selection clearing to work when clicking outside image.
 * TileSheetEditor: Fix Delete Tile functionality, which was completely broken
-* PaletteEditor: Fix color number key range in. Previously, pressing A caused
-  the editor to jump to the last color.
-* PaletteEditor: page rename will now take effect upon pressing enter if the
+* TileSheetEditor: Fix Insert Tile functionality, which was completely broken
+* PaletteEditor: Fix color number key range. Previously, pressing A caused the
+  editor to jump to the last color.
+* PaletteEditor: Page rename will now take effect upon pressing enter if the
  text input has focus

 # d2025.02.1
--- a/src/nostalgia/modules/gfx/include/nostalgia/gfx/core.hpp
+++ b/src/nostalgia/modules/gfx/include/nostalgia/gfx/core.hpp
@@ -1,14 +0,0 @@
-/*
- * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#pragma once
-
-#include "color.hpp"
-#include "context.hpp"
-#include "gfx.hpp"
-#include "initparams.hpp"
-#include "keelmodule.hpp"
-#include "palette.hpp"
-#include "ptidxconv.hpp"
-#include "tilesheet.hpp"
--- a/src/nostalgia/modules/gfx/include/nostalgia/gfx/gfx.hpp
+++ b/src/nostalgia/modules/gfx/include/nostalgia/gfx/gfx.hpp
@@ -9,8 +9,14 @@
 #include <ox/std/types.hpp>
 #include <ox/model/def.hpp>

+#include "color.hpp"
 #include "context.hpp"
+#include "context.hpp"
+#include "initparams.hpp"
+#include "keelmodule.hpp"
 #include "palette.hpp"
+#include "palette.hpp"
+#include "ptidxconv.hpp"
 #include "tilesheet.hpp"

 namespace nostalgia::gfx {
@@ -223,7 +229,7 @@ bool bgStatus(Context &ctx, unsigned bg) noexcept;

 void setBgStatus(Context &ctx, unsigned bg, bool status) noexcept;

-void setBgCbb(Context &ctx, unsigned bgIdx, unsigned cbb) noexcept;
+void setBgCbb(Context &ctx, unsigned bgIdx, unsigned cbbIdx) noexcept;

 void setBgPriority(Context &ctx, uint_t bgIdx, uint_t priority) noexcept;

@@ -231,10 +237,10 @@ void hideSprite(Context &ctx, unsigned) noexcept;

 void showSprite(Context &ctx, unsigned) noexcept;

-void setSprite(Context &c, uint_t idx, Sprite const&s) noexcept;
+void setSprite(Context &ctx, uint_t idx, Sprite const&sprite) noexcept;

 [[nodiscard]]
-uint_t spriteCount(Context &ctx) noexcept;
+uint_t spriteCount(Context const &ctx) noexcept;

 ox::Error initConsole(Context &ctx) noexcept;

--- a/src/nostalgia/modules/gfx/include/nostalgia/gfx/tilesheet.hpp
+++ b/src/nostalgia/modules/gfx/include/nostalgia/gfx/tilesheet.hpp
@@ -426,6 +426,8 @@ ox::Error resizeSubsheet(TileSheet::SubSheet &ss, ox::Size const&sz) noexcept;
 [[nodiscard]]
 TileSheet::SubSheetIdx validateSubSheetIdx(TileSheet const&ts, TileSheet::SubSheetIdx idx) noexcept;

+ox::Result<TileSheet::SubSheetIdx> getSubSheetIdx(TileSheet const &ts, SubSheetId pId) noexcept;
+
 [[nodiscard]]
 TileSheet::SubSheet &getSubSheet(
 		ox::SpanView<uint32_t> const&idx,
--- a/src/nostalgia/modules/gfx/src/gba/context.cpp
+++ b/src/nostalgia/modules/gfx/src/gba/context.cpp
@@ -4,8 +4,6 @@

 #include <turbine/turbine.hpp>

-#include <nostalgia/gfx/gfx.hpp>
-
 #include "context.hpp"

 namespace nostalgia::gfx {
@@ -22,7 +20,7 @@ ox::Error initGfx(Context &ctx, InitParams const&) noexcept;
 ox::Result<ox::UPtr<Context>> init(turbine::Context &tctx, InitParams const&params) noexcept {
 	auto ctx = ox::make_unique<Context>(tctx);
 	OX_RETURN_ERROR(initGfx(*ctx, params));
-	return ox::UPtr<Context>(std::move(ctx));
+	return ctx;
 }

 keel::Context &keelCtx(Context &ctx) noexcept {
--- a/src/nostalgia/modules/gfx/src/gba/gfx.cpp
+++ b/src/nostalgia/modules/gfx/src/gba/gfx.cpp
@@ -36,9 +36,9 @@ ox::Error initGfx(Context&, InitParams const&) noexcept {

 ox::Error loadBgPalette(
 		Context&,
-		size_t palBank,
+		size_t const palBank,
 		CompactPalette const&palette,
-		size_t page) noexcept {
+		size_t const page) noexcept {
 	if (palette.pages.empty()) {
 		return {};
 	}
@@ -52,7 +52,7 @@ ox::Error loadBgPalette(
 ox::Error loadSpritePalette(
 		Context&,
 		CompactPalette const&palette,
-		size_t page) noexcept {
+		size_t const page) noexcept {
 	if (palette.pages.empty()) {
 		return {};
 	}
@@ -133,7 +133,7 @@ ox::Error loadBgTileSheet(

 ox::Error loadBgTileSheet(
 		Context &ctx,
-		unsigned cbb,
+		unsigned const cbb,
 		CompactTileSheet const&ts,
 		ox::Optional<unsigned> const&paletteBank) noexcept {
 	auto const cnt = (ts.pixels.size() * PixelsPerTile) / (1 + (ts.bpp == 4));
@@ -184,7 +184,7 @@ static void setSpritesBpp(unsigned const bpp) noexcept {
 ox::Error loadSpriteTileSheet(
 		Context &ctx,
 		CompactTileSheet const&ts,
-		bool loadDefaultPalette) noexcept {
+		bool const loadDefaultPalette) noexcept {
 	for (size_t i = 0; i < ts.pixels.size(); i += 2) {
 		uint16_t v = ts.pixels[i];
 		v |= static_cast<uint16_t>(ts.pixels[i + 1] << 8);
@@ -206,7 +206,8 @@ ox::Error loadSpriteTileSheet(
 	return {};
 }

-void setBgTile(Context &ctx, uint_t bgIdx, int column, int row, BgTile const&tile) noexcept {
+void setBgTile(
+	Context &ctx, uint_t const bgIdx, int const column, int const row, BgTile const&tile) noexcept {
 	auto const tileIdx = static_cast<std::size_t>(row * tileColumns(ctx) + column);
 	// see Tonc 9.3
 	MEM_BG_MAP[bgIdx][tileIdx] =
@@ -216,7 +217,7 @@ void setBgTile(Context &ctx, uint_t bgIdx, int column, int row, BgTile const&til
 			static_cast<uint16_t>(tile.palBank << 0xc);
 }

-void clearBg(Context &ctx, uint_t bgIdx) noexcept {
+void clearBg(Context &ctx, uint_t const bgIdx) noexcept {
 	memset(MEM_BG_MAP[bgIdx].data(), 0, static_cast<size_t>(tileRows(ctx) * tileColumns(ctx)));
 }

@@ -224,39 +225,39 @@ uint8_t bgStatus(Context&) noexcept {
 	return (REG_DISPCTL >> 8u) & 0b1111u;
 }

-void setBgStatus(Context&, uint32_t status) noexcept {
+void setBgStatus(Context&, uint32_t const status) noexcept {
 	constexpr auto BgStatus = 8;
 	REG_DISPCTL = (REG_DISPCTL & ~0b111100000000u) | status << BgStatus;
 }

-bool bgStatus(Context&, unsigned bg) noexcept {
+bool bgStatus(Context&, unsigned const bg) noexcept {
 	return (REG_DISPCTL >> (8 + bg)) & 1;
 }

-void setBgStatus(Context&, unsigned bg, bool status) noexcept {
+void setBgStatus(Context&, unsigned const bg, bool const status) noexcept {
 	constexpr auto Bg0Status = 8;
 	const auto mask = static_cast<uint32_t>(status) << (Bg0Status + bg);
 	REG_DISPCTL = REG_DISPCTL | ((REG_DISPCTL & ~mask) | mask);
 }

-void setBgBpp(Context&, unsigned bgIdx, unsigned bpp) noexcept {
+void setBgBpp(Context&, unsigned const bgIdx, unsigned const bpp) noexcept {
 	auto &bgCtl = regBgCtl(bgIdx);
 	teagba::bgSetBpp(bgCtl, bpp);
 }

-void setBgCbb(Context &ctx, unsigned bgIdx, unsigned cbb) noexcept {
+void setBgCbb(Context &ctx, unsigned const bgIdx, unsigned const cbbIdx) noexcept {
 	auto &bgCtl = regBgCtl(bgIdx);
-	const auto &cbbData = ctx.cbbData[cbb];
+	const auto &cbbData = ctx.cbbData[cbbIdx];
 	teagba::bgSetBpp(bgCtl, cbbData.bpp);
-	teagba::bgSetCbb(bgCtl, cbb);
+	teagba::bgSetCbb(bgCtl, cbbIdx);
 }

-void setBgPriority(Context&, uint_t bgIdx, uint_t priority) noexcept {
+void setBgPriority(Context&, uint_t const bgIdx, uint_t const priority) noexcept {
 	auto &bgCtl = regBgCtl(bgIdx);
 	bgCtl = (bgCtl & 0b1111'1111'1111'1100u) | (priority & 0b11);
 }

-void hideSprite(Context&, unsigned idx) noexcept {
+void hideSprite(Context&, unsigned const idx) noexcept {
 	//oxAssert(g_spriteUpdates < config::GbaSpriteBufferLen, "Sprite update buffer overflow");
 	teagba::addSpriteUpdate({
 		.attr0 = uint16_t{0b11 << 8},
@@ -264,7 +265,7 @@ void hideSprite(Context&, unsigned idx) noexcept {
 	});
 }

-void showSprite(Context&, unsigned idx) noexcept {
+void showSprite(Context&, unsigned const idx) noexcept {
 	//oxAssert(g_spriteUpdates < config::GbaSpriteBufferLen, "Sprite update buffer overflow");
 	teagba::addSpriteUpdate({
 		.attr0 = 0,
@@ -272,7 +273,7 @@ void showSprite(Context&, unsigned idx) noexcept {
 	});
 }

-void setSprite(Context&, uint_t idx, Sprite const&s) noexcept {
+void setSprite(Context&, uint_t const idx, Sprite const&s) noexcept {
 	//oxAssert(g_spriteUpdates < config::GbaSpriteBufferLen, "Sprite update buffer overflow");
 	uint16_t const eightBpp = s.bpp == 8;
 	teagba::addSpriteUpdate({
@@ -293,7 +294,7 @@ void setSprite(Context&, uint_t idx, Sprite const&s) noexcept {
 	});
 }

-uint_t spriteCount(Context&) noexcept {
+uint_t spriteCount(Context const&) noexcept {
 	return SpriteCount;
 }

--- a/src/nostalgia/modules/gfx/src/gba/panic.cpp
+++ b/src/nostalgia/modules/gfx/src/gba/panic.cpp
@@ -12,7 +12,7 @@
 #include <teagba/addresses.hpp>
 #include <teagba/bios.hpp>

-#include <nostalgia/gfx/core.hpp>
+#include <nostalgia/gfx/gfx.hpp>

 #include "gfx.hpp"

--- a/src/nostalgia/modules/gfx/src/opengl/context.cpp
+++ b/src/nostalgia/modules/gfx/src/opengl/context.cpp
@@ -26,7 +26,7 @@ Context::~Context() noexcept {
 ox::Result<ox::UPtr<Context>> init(turbine::Context &tctx, InitParams const&params) noexcept {
 	auto ctx = ox::make_unique<Context>(tctx, params);
 	OX_RETURN_ERROR(initGfx(*ctx, params));
-	return ox::UPtr<Context>(ctx.release());
+	return ctx;
 }

 keel::Context &keelCtx(Context &ctx) noexcept {
--- a/src/nostalgia/modules/gfx/src/opengl/gfx.cpp
+++ b/src/nostalgia/modules/gfx/src/opengl/gfx.cpp
@@ -28,7 +28,7 @@ static constexpr auto PriorityScale = 0.01f;
 Drawer::Drawer(Context &ctx) noexcept: m_ctx(ctx) {}

 void Drawer::draw(turbine::Context &tctx) noexcept {
-	gfx::gl::draw(m_ctx, turbine::getScreenSize(tctx));
+	gl::draw(m_ctx, turbine::getScreenSize(tctx));
 }

 static constexpr ox::CStringView bgvshadTmpl = R"glsl(
@@ -106,7 +106,7 @@ static constexpr ox::CStringView spritefshadTmpl = R"glsl(
 	})glsl";

 [[nodiscard]]
-static constexpr auto bgVertexRow(uint_t x, uint_t y) noexcept {
+static constexpr auto bgVertexRow(uint_t const x, uint_t const y) noexcept {
 	return y * TileRows + x;
 }

@@ -183,7 +183,7 @@ static void setTileBufferObject(
 	ox::spancpy<GLuint>(ebo, elms);
 }

-static void initSpriteBufferObjects(Context &ctx, glutils::BufferSet &bs) noexcept {
+static void initSpriteBufferObjects(Context const &ctx, glutils::BufferSet &bs) noexcept {
 	for (auto i = 0u; i < ctx.spriteCount; ++i) {
 		auto const vbo = ox::Span{bs.vertices}
 			+ i * static_cast<std::size_t>(SpriteVertexVboLength);
@@ -256,7 +256,7 @@ static void initSpritesBufferset(Context &ctx) noexcept {
 }

 static void initBackgroundBufferset(
-		GLuint shader,
+		GLuint const shader,
 		glutils::BufferSet &bs) noexcept {
 	// vao
 	bs.vao = glutils::generateVertexArrayObject();
@@ -290,8 +290,8 @@ static void initBackgroundBufferset(
 }

 static glutils::GLTexture createTexture(
-		GLsizei w,
-		GLsizei h,
+		GLsizei const w,
+		GLsizei const h,
 		void const*pixels) noexcept {
 	GLuint texId = 0;
 	glGenTextures(1, &texId);
@@ -375,10 +375,10 @@ static void drawSprites(Context &ctx, ox::Size const&renderSz) noexcept {

 static void loadPalette(
 		ox::Array<GLfloat, 1024> &palette,
-		size_t palOffset,
-		GLuint shaderPgrm,
+		size_t const palOffset,
+		GLuint const shaderPgrm,
 		CompactPalette const&pal,
-		size_t page = 0) noexcept {
+		size_t const page = 0) noexcept {
 	static constexpr std::size_t ColorCnt = 256;
 	for (auto i = palOffset; auto const c : pal.pages[page]) {
 		palette[i++] = redf(c);
@@ -523,14 +523,18 @@ static ox::Result<TileSheetData> normalizeTileSheet(
 			pixels[i * 2 + 1] = ts.pixels[i] >> 4;
 		}
 	}
-	return TileSheetData{std::move(pixels), width, height};
+	return TileSheetData{
+		.pixels = std::move(pixels),
+		.width = width,
+		.height = height
+	};
 }

 ox::Error loadBgPalette(
 		Context &ctx,
-		size_t palBank,
+		size_t const palBank,
 		CompactPalette const&palette,
-		size_t page) noexcept {
+		size_t const page) noexcept {
 	renderer::loadPalette(ctx.bgPalette, palBank * 16 * 4, ctx.bgShader, palette, page);
 	return {};
 }
@@ -538,14 +542,14 @@ ox::Error loadBgPalette(
 ox::Error loadSpritePalette(
 		Context &ctx,
 		CompactPalette const&palette,
-		size_t page) noexcept {
+		size_t const page) noexcept {
 	ox::Array<GLfloat, 1024> pal;
 	renderer::loadPalette(pal, 0, ctx.spriteShader, palette, page);
 	return {};
 }

 static ox::Result<TileSheetData> buildSetTsd(
-		Context &ctx,
+		Context const &ctx,
 		TileSheetSet const&set) noexcept {
 	auto &kctx = keelCtx(ctx.turbineCtx);
 	TileSheetData setTsd;
@@ -567,7 +571,7 @@ static ox::Result<TileSheetData> buildSetTsd(

 static void copyPixels(
 		CompactTileSheet const&ts,
-		ox::Span<uint32_t> dst,
+		ox::Span<uint32_t> const dst,
 		size_t const srcPxIdx,
 		size_t const pxlCnt) noexcept {
 	size_t idx{};
@@ -624,7 +628,7 @@ ox::Error loadBgTileSheet(

 ox::Error loadBgTileSheet(
 		Context &ctx,
-		uint_t cbb,
+		uint_t const cbb,
 		CompactTileSheet const&ts,
 		ox::Optional<unsigned> const&paletteBank) noexcept {
 	auto const bytesPerTile = static_cast<uint64_t>(PixelsPerTile / (1 + (ts.bpp == 4)));
@@ -638,7 +642,7 @@ ox::Error loadBgTileSheet(

 ox::Error loadBgTileSheet(
 		Context &ctx,
-		unsigned cbb,
+		unsigned const cbb,
 		TileSheetSet const&set) noexcept {
 	OX_REQUIRE(setTsd, buildSetTsd(ctx, set));
 	ctx.cbbs[cbb].tex = renderer::createTexture(setTsd.width, setTsd.height, setTsd.pixels.data());
@@ -648,7 +652,7 @@ ox::Error loadBgTileSheet(
 ox::Error loadSpriteTileSheet(
 		Context &ctx,
 		CompactTileSheet const&ts,
-		bool loadDefaultPalette) noexcept {
+		bool const loadDefaultPalette) noexcept {
 	OX_REQUIRE(tsd, normalizeTileSheet(ts));
 	oxTracef("nostalgia.gfx.gl", "loadSpriteTexture: { w: {}, h: {} }", tsd.width, tsd.height);
 	ctx.spriteBlocks.tex = renderer::createTexture(tsd.width, tsd.height, tsd.pixels.data());
@@ -668,9 +672,9 @@ ox::Error loadSpriteTileSheet(

 void setBgTile(
 		Context &ctx,
-		uint_t bgIdx,
-		int column,
-		int row,
+		uint_t const bgIdx,
+		int const column,
+		int const row,
 		BgTile const&tile) noexcept {
 	oxTracef(
 			"nostalgia.gfx.setBgTile",
@@ -698,7 +702,7 @@ void setBgTile(
 	cbb.updated = true;
 }

-void clearBg(Context &ctx, uint_t bgIdx) noexcept {
+void clearBg(Context &ctx, uint_t const bgIdx) noexcept {
 	auto &cbb = ctx.cbbs[static_cast<std::size_t>(bgIdx)];
 	initBackgroundBufferObjects(cbb);
 	cbb.updated = true;
@@ -714,61 +718,59 @@ uint8_t bgStatus(Context &ctx) noexcept {
 	return out;
 }

-void setBgStatus(Context &ctx, uint32_t status) noexcept {
+void setBgStatus(Context &ctx, uint32_t const status) noexcept {
 	for (uint_t i = 0; i < ctx.cbbs.size(); ++i) {
 		ctx.backgrounds[i].enabled = (status >> i) & 1;
 	}
 }

-bool bgStatus(Context &ctx, uint_t bg) noexcept {
+bool bgStatus(Context &ctx, uint_t const bg) noexcept {
 	return ctx.backgrounds[bg].enabled;
 }

-void setBgStatus(Context&ctx, uint_t bg, bool status) noexcept {
+void setBgStatus(Context&ctx, uint_t const bg, bool const status) noexcept {
 	ctx.backgrounds[bg].enabled = status;
 }

-void setBgBpp(Context&, unsigned, unsigned) noexcept {}
-
-void setBgCbb(Context &ctx, uint_t bgIdx, uint_t cbbIdx) noexcept {
+void setBgCbb(Context &ctx, uint_t const bgIdx, uint_t const cbbIdx) noexcept {
 	auto &bg = ctx.backgrounds[bgIdx];
 	bg.cbbIdx = cbbIdx;
 }

-void setBgPriority(Context &ctx, uint_t bgIdx, uint_t priority) noexcept {
+void setBgPriority(Context &ctx, uint_t const bgIdx, uint_t const priority) noexcept {
 	auto &bg = ctx.backgrounds[bgIdx];
 	bg.priority = static_cast<float>(priority & 0b11);
 }

-void hideSprite(Context &ctx, uint_t idx) noexcept {
+void hideSprite(Context &ctx, uint_t const idx) noexcept {
 	auto &s = ctx.spriteStates[idx];
 	s.enabled = false;
 	renderer::setSprite(ctx, idx, s);
 }

-void showSprite(Context &ctx, uint_t idx) noexcept {
+void showSprite(Context &ctx, uint_t const idx) noexcept {
 	auto &s = ctx.spriteStates[idx];
 	s.enabled = true;
 	renderer::setSprite(ctx, idx, s);
 }

-void setSprite(Context &ctx, uint_t idx, Sprite const&sprite) noexcept {
+void setSprite(Context &ctx, uint_t const idx, Sprite const&sprite) noexcept {
 	auto &s = ctx.spriteStates[idx];
 	s = sprite;
 	renderer::setSprite(ctx, idx, s);
 }

-uint_t spriteCount(Context &ctx) noexcept {
+uint_t spriteCount(Context const &ctx) noexcept {
 	return ctx.spriteCount;
 }

 namespace gl {

-ox::Size drawSize(int scale) noexcept {
+ox::Size drawSize(int const scale) noexcept {
 	return {240 * scale, 160 * scale};
 }

-void draw(gfx::Context &ctx, ox::Size const&renderSz) noexcept {
+void draw(Context &ctx, ox::Size const&renderSz) noexcept {
 	glViewport(0, 0, renderSz.width, renderSz.height);
 	glEnable(GL_DEPTH_TEST);
 	glEnable(GL_BLEND);
@@ -783,7 +785,7 @@ void draw(gfx::Context &ctx, ox::Size const&renderSz) noexcept {
 	glDisable(GL_BLEND);
 }

-void draw(gfx::Context &ctx, int scale) noexcept {
+void draw(Context &ctx, int const scale) noexcept {
 	draw(ctx, drawSize(scale));
 }

--- a/src/nostalgia/modules/gfx/src/studio/paletteeditor/paletteeditor-imgui.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/paletteeditor/paletteeditor-imgui.cpp
@@ -118,12 +118,12 @@ void PaletteEditorImGui::navigateTo(ox::StringViewCR arg) noexcept {
 	}
 }

-void PaletteEditorImGui::drawColumnLeftAlign(ox::CStringView txt) noexcept {
+void PaletteEditorImGui::drawColumnLeftAlign(ox::CStringViewCR txt) noexcept {
 	ImGui::TableNextColumn();
 	ImGui::Text("%s", txt.c_str());
 }

-void PaletteEditorImGui::drawColumn(ox::CStringView txt) noexcept {
+void PaletteEditorImGui::drawColumn(ox::CStringViewCR txt) noexcept {
 	ImGui::TableNextColumn();
 	ImGui::SetCursorPosX(
 			ImGui::GetCursorPosX() + ImGui::GetColumnWidth() - ImGui::CalcTextSize(txt.data()).x);
@@ -143,7 +143,15 @@ void PaletteEditorImGui::numShortcuts(size_t &val, size_t const sizeRange) noexc
 	}
 }

-void PaletteEditorImGui::colorInput(ox::CStringView label, int &v, bool &inputFocused) noexcept {
+void PaletteEditorImGui::colorInput(
+	ox::CStringViewCR label,
+	int &v,
+	bool &inputFocused,
+	FocusCmd const colorChannel) noexcept {
+	if (colorChannel == m_focusCmd) [[unlikely]] {
+		ImGui::SetKeyboardFocusHere();
+		m_focusCmd = FocusCmd::None;
+	}
 	ImGui::InputInt(label.c_str(), &v, 1, 5);
 	inputFocused = inputFocused || ImGui::IsItemFocused();
 	v = ox::max(v, 0);
@@ -296,9 +304,9 @@ void PaletteEditorImGui::drawColorEditor() noexcept {
 			"Name", m_pal.colorNames[m_selectedColorRow]);
 	bool inputFocused = ImGui::IsItemFocused();
 	ImGui::Separator();
-	colorInput("Red", r, inputFocused);
-	colorInput("Green", g, inputFocused);
-	colorInput("Blue", b, inputFocused);
+	colorInput("Red", r, inputFocused, FocusCmd::Red);
+	colorInput("Green", g, inputFocused, FocusCmd::Green);
+	colorInput("Blue", b, inputFocused, FocusCmd::Blue);
 	if (ig::PushButton("Apply to all pages", {-1, ig::BtnSz.y})) {
 		std::ignore = pushCommand<ApplyColorAllPagesCommand>(
 				m_pal, m_page, m_selectedColorRow);
@@ -309,6 +317,15 @@ void PaletteEditorImGui::drawColorEditor() noexcept {
 		} else {
 			numShortcuts(m_page, m_pal.pages.size());
 		}
+		if (ImGui::IsKeyDown(ImGuiKey_R)) {
+			m_focusCmd = FocusCmd::Red;
+		}
+		if (ImGui::IsKeyDown(ImGuiKey_G)) {
+			m_focusCmd = FocusCmd::Green;
+		}
+		if (ImGui::IsKeyDown(ImGuiKey_B)) {
+			m_focusCmd = FocusCmd::Blue;
+		}
 	}
 	auto const newColor = color16(r, g, b, a);
 	if (c != newColor) {
@@ -320,7 +337,7 @@ void PaletteEditorImGui::drawColorEditor() noexcept {
 	}
 }

-ox::Error PaletteEditorImGui::renamePage(ox::StringView name) noexcept {
+ox::Error PaletteEditorImGui::renamePage(ox::StringViewCR name) noexcept {
 	return pushCommand<RenamePageCommand>(m_pal, m_page, name);
 }

--- a/src/nostalgia/modules/gfx/src/studio/paletteeditor/paletteeditor-imgui.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/paletteeditor/paletteeditor-imgui.hpp
@@ -36,6 +36,13 @@ class PaletteEditorImGui: public studio::Editor {
 		Palette m_pal;
 		size_t m_selectedColorRow = 0;
 		size_t m_page = 0;
+		enum class FocusCmd {
+			None,
+			Red,
+			Green,
+			Blue,
+		};
+		FocusCmd m_focusCmd;

 	public:
 		PaletteEditorImGui(studio::Context &sctx, ox::StringParam path);
@@ -48,9 +55,9 @@ class PaletteEditorImGui: public studio::Editor {
 		void navigateTo(ox::StringViewCR arg) noexcept override;

 	private:
-		static void drawColumnLeftAlign(ox::CStringView txt) noexcept;
+		static void drawColumnLeftAlign(ox::CStringViewCR txt) noexcept;

-		static void drawColumn(ox::CStringView txt) noexcept;
+		static void drawColumn(ox::CStringViewCR txt) noexcept;

 		static void drawColumn(ox::Integer_c auto i) noexcept {
 			drawColumn(ox::intToStr(i));
@@ -58,7 +65,7 @@ class PaletteEditorImGui: public studio::Editor {

 		static void numShortcuts(size_t &val, size_t sizeRange) noexcept;

-		static void colorInput(ox::CStringView label, int &v, bool &inputFocused) noexcept;
+		void colorInput(ox::CStringViewCR label, int &v, bool &inputFocused, FocusCmd colorChannel) noexcept;

 		void drawColorsEditor() noexcept;

@@ -66,7 +73,7 @@ class PaletteEditorImGui: public studio::Editor {

 		void drawColorEditor() noexcept;

-		ox::Error renamePage(ox::StringView name) noexcept;
+		ox::Error renamePage(ox::StringViewCR name) noexcept;

 		ox::Error handleCommand(studio::UndoCommand const*) noexcept;
 };
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.cpp
@@ -27,14 +27,11 @@ CutPasteCommand::CutPasteCommand(
 		TileSheet::SubSheetIdx subSheetIdx,
 		ox::Point const&dstStart,
 		ox::Point dstEnd,
-		TileSheetClipboard const&cb):
+		TileSheetClipboard const&cb) noexcept:
 		m_commandId(commandId),
 		m_img(img),
 		m_subSheetIdx(std::move(subSheetIdx)) {
 	auto const&ss = getSubSheet(m_img, m_subSheetIdx);
-	if (dstStart.x >= ss.columns * TileWidth || dstStart.y >= ss.rows * TileHeight) {
-		throw ox::Exception{1, "paste starts beyond the bounds of target"};
-	}
 	dstEnd.x = std::min(ss.columns * TileWidth - 1, dstEnd.x);
 	dstEnd.y = std::min(ss.rows * TileHeight - 1, dstEnd.y);
 	for (auto const&p : cb.pixels()) {
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.hpp
@@ -69,7 +69,7 @@ class CutPasteCommand: public TileSheetCommand {
 				TileSheet::SubSheetIdx subSheetIdx,
 				ox::Point const&dstStart,
 				ox::Point dstEnd,
-				TileSheetClipboard const&cb);
+				TileSheetClipboard const&cb) noexcept;

 		ox::Error redo() noexcept final;

--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditor-imgui.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditor-imgui.cpp
@@ -388,6 +388,17 @@ ox::Error TileSheetEditorImGui::saveItem() noexcept {
 	return m_model.saveFile();
 }

+void TileSheetEditorImGui::navigateTo(ox::StringViewCR arg) noexcept {
+	auto const subSheetId = strToInt(arg);
+	if (subSheetId.error) {
+		return;
+	}
+	if (auto const [val, err] = getSubSheetIdx(m_model.img(), subSheetId.value);
+	    !err) {
+		setActiveSubsheet(val);
+	}
+}
+
 void TileSheetEditorImGui::showSubsheetEditor() noexcept {
 	auto const&sheet = m_model.activeSubSheet();
 	if (!sheet.subsheets.empty()) {
@@ -451,7 +462,10 @@ void TileSheetEditorImGui::drawTileSheet(ox::Vec2 const&fbSize) noexcept {
 		if (wheelh != 0) {
 			m_view.scrollH(fbSize, wheelh);
 		}
-		if (ImGui::IsMouseDown(0) && m_prevMouseDownPos != mousePos) {
+		using ImGui::IsMouseClicked;
+		using ImGui::IsMouseDragging;
+		if ((IsMouseDragging(ImGuiMouseButton_Left) || IsMouseClicked(ImGuiMouseButton_Left))
+			&& m_prevMouseDownPos != mousePos) {
 			m_prevMouseDownPos = mousePos;
 			switch (m_tool) {
 				case TileSheetTool::Draw:
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditor-imgui.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditor-imgui.hpp
@@ -87,6 +87,8 @@ class TileSheetEditorImGui: public studio::Editor {
 	protected:
 		ox::Error saveItem() noexcept override;

+		void navigateTo(ox::StringViewCR arg) noexcept override;
+
 	private:
 		void showSubsheetEditor() noexcept;

--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp
@@ -46,13 +46,13 @@ Palette const TileSheetEditorModel::s_defaultPalette = {

 TileSheetEditorModel::TileSheetEditorModel(
 		studio::Context &sctx, ox::StringParam path, studio::UndoStack &undoStack):
-		m_sctx{sctx},
-		m_tctx{m_sctx.tctx},
-		m_path{std::move(path)},
-		m_img{*readObj<TileSheet>(keelCtx(m_tctx), m_path).unwrapThrow()},
+		m_sctx(sctx),
+		m_tctx(m_sctx.tctx),
+		m_path(std::move(path)),
+		m_img(*readObj<TileSheet>(keelCtx(m_tctx), m_path).unwrapThrow()),
 		// ignore failure to load palette
-		m_pal{readObj<Palette>(keelCtx(m_tctx), m_img.defaultPalette).value},
-		m_undoStack{undoStack} {
+		m_pal(readObj<Palette>(keelCtx(m_tctx), m_img.defaultPalette).value),
+		m_undoStack(undoStack) {
 	normalizeSubsheets(m_img.subsheet);
 	m_pal.updated.connect(this, &TileSheetEditorModel::markUpdated);
 	m_undoStack.changeTriggered.connect(this, &TileSheetEditorModel::markUpdatedCmdId);
@@ -67,27 +67,19 @@ void TileSheetEditorModel::cut() {
 	TileSheetClipboard blankCb;
 	auto cb = ox::make_unique<TileSheetClipboard>();
 	auto const&s = activeSubSheet();
-	if (iterateSelectionRows(*m_selection, [&](int const x, int const y) {
+	iterateSelectionRows(*m_selection, [&](int const x, int const y) {
 		auto pt = ox::Point{x, y};
 		auto const idx = gfx::idx(s, pt);
-		if (idx >= s.pixels.size()) {
-			return ox::Error{1, "invalid idx"};
-		}
-		auto const c = s.pixels[idx];
+		auto const c = getPixel(s, idx);
 		pt -= m_selection->a;
 		cb->addPixel(pt, c);
 		blankCb.addPixel(pt, 0);
-		return ox::Error{};
-	})) {
-		return;
-	}
+	});
 	auto const pt1 = m_selection->a;
 	auto const pt2 = ox::Point{s.columns * TileWidth, s.rows * TileHeight};
 	turbine::setClipboardObject(m_tctx, std::move(cb));
-	if (auto const cmd = ox::makeCatch<CutPasteCommand>(
-		CommandId::Cut, m_img, m_activeSubsSheetIdx, pt1, pt2, blankCb); cmd.ok()) {
-		std::ignore = pushCommand(cmd.value);
-	}
+	std::ignore = pushCommand(ox::make<CutPasteCommand>(
+		CommandId::Cut, m_img, m_activeSubsSheetIdx, pt1, pt2, blankCb));
 }

 void TileSheetEditorModel::copy() {
@@ -95,20 +87,14 @@ void TileSheetEditorModel::copy() {
 		return;
 	}
 	auto cb = ox::make_unique<TileSheetClipboard>();
-	if (iterateSelectionRows(*m_selection, [&](int const x, int const y) {
+	iterateSelectionRows(*m_selection, [&](int const x, int const y) {
 		auto pt = ox::Point{x, y};
 		auto const&s = activeSubSheet();
 		auto const idx = gfx::idx(s, pt);
-		if (idx >= s.pixels.size()) {
-			return ox::Error{1, "invalid idx"};
-		}
-		auto const c = s.pixels[idx];
+		auto const c = getPixel(s, idx);
 		pt -= m_selection->a;
 		cb->addPixel(pt, c);
-		return ox::Error{};
-	})) {
-		return;
-	}
+	});
 	turbine::setClipboardObject(m_tctx, std::move(cb));
 }

@@ -125,10 +111,8 @@ void TileSheetEditorModel::paste() {
 	auto const&s = activeSubSheet();
 	auto const pt1 = m_selection->a;
 	auto const pt2 = ox::Point{s.columns * TileWidth, s.rows * TileHeight};
-	if (auto const cmd = ox::makeCatch<CutPasteCommand>(
-		CommandId::Paste, m_img, m_activeSubsSheetIdx, pt1, pt2, *cb); cmd.ok()) {
-		std::ignore = pushCommand(cmd.value);
-	}
+	std::ignore = pushCommand(ox::make<CutPasteCommand>(
+		CommandId::Paste, m_img, m_activeSubsSheetIdx, pt1, pt2, *cb));
 }

 bool TileSheetEditorModel::acceptsClipboardPayload() const noexcept {
@@ -168,7 +152,7 @@ void TileSheetEditorModel::drawCommand(ox::Point const &pt, std::size_t const pa
 	auto const idx = gfx::idx(activeSubSheet, pt);
 	if (m_ongoingDrawCommand) {
 		m_updated = m_updated || m_ongoingDrawCommand->append(idx);
-	} else if (activeSubSheet.pixels[idx] != palIdx) {
+	} else if (getPixel(activeSubSheet, idx) != palIdx) {
 		std::ignore = pushCommand(ox::make<DrawCommand>(
 			m_img, m_activeSubsSheetIdx, idx, static_cast<int>(palIdx)));
 	}
@@ -198,7 +182,6 @@ void TileSheetEditorModel::endDrawCommand() noexcept {
 	if (m_ongoingDrawCommand) {
 		m_ongoingDrawCommand->finish();
 		m_ongoingDrawCommand = nullptr;
-		m_lastDrawUpdatePt = {-1, -1};
 	}
 }

@@ -230,8 +213,6 @@ ox::Error TileSheetEditorModel::updateSubsheet(
 void TileSheetEditorModel::setActiveSubsheet(TileSheet::SubSheetIdx const&idx) noexcept {
 	m_activeSubsSheetIdx = idx;
 	this->activeSubsheetChanged.emit(m_activeSubsSheetIdx);
-	clearSelection();
-	m_lastDrawUpdatePt = {-1, -1};
 }

 void TileSheetEditorModel::fill(ox::Point const&pt, int const palIdx) noexcept {
@@ -400,7 +381,7 @@ void TileSheetEditorModel::getFillPixels(
 		int const oldColor) const noexcept {
 	auto const idx = ptToIdx(pt, activeSubSheet.columns);
 	auto const relIdx = idx % PixelsPerTile;
-	if (pixels[relIdx] || activeSubSheet.pixels[idx] != oldColor) {
+	if (pixels[relIdx] || getPixel(activeSubSheet, idx) != oldColor) {
 		return;
 	}
 	// mark pixels to update
@@ -438,7 +419,7 @@ void TileSheetEditorModel::setPalPath() noexcept {
 }

 ox::Error TileSheetEditorModel::pushCommand(studio::UndoCommand *cmd) noexcept {
-	std::ignore = m_undoStack.push(ox::UPtr{cmd});
+	std::ignore = m_undoStack.push(ox::UPtr<studio::UndoCommand>{cmd});
 	m_ongoingDrawCommand = dynamic_cast<DrawCommand*>(cmd);
 	m_updated = true;
 	return {};
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.hpp
@@ -35,7 +35,7 @@ class TileSheetEditorModel: public ox::SignalHandler {
 		studio::SelectionTracker m_selTracker;
 		ox::Optional<studio::Selection> m_selection;
 		ox::Point m_lineStartPt;
-		ox::Point m_lastDrawUpdatePt{-1, -1};
+		ox::Point m_lastDrawUpdatePt;
 		bool m_updated = false;

 	public:
--- a/src/nostalgia/modules/gfx/src/tilesheet.cpp
+++ b/src/nostalgia/modules/gfx/src/tilesheet.cpp
@@ -2,6 +2,8 @@
 * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
 */

+#include "nostalgia/gfx/tilesheet.hpp"
+
 #include <ox/std/size.hpp>
 #include <ox/std/vector.hpp>

@@ -187,6 +189,28 @@ TileSheet::SubSheetIdx validateSubSheetIdx(TileSheet const&ts, TileSheet::SubShe
 	return validateSubSheetIdx(std::move(idx), 0, ts.subsheet);
 }

+static ox::Error getSubSheetIdx(TileSheet::SubSheet const &ss, SubSheetId const pId, TileSheet::SubSheetIdx &idx) noexcept {
+	if (ss.id == pId) {
+		return {};
+	}
+	for (uint32_t i{}; auto const &sub : ss.subsheets) {
+		idx.emplace_back(i);
+		auto const err = getSubSheetIdx(sub, pId, idx);
+		if (!err) {
+			return {};
+		}
+		idx.pop_back();
+		++i;
+	}
+	return ox::Error{1, "SubSheet not found"};
+}
+
+ox::Result<TileSheet::SubSheetIdx> getSubSheetIdx(TileSheet const &ts, SubSheetId const pId) noexcept {
+	ox::Result<TileSheet::SubSheetIdx> out;
+	OX_RETURN_ERROR(getSubSheetIdx(ts.subsheet, pId, out.value));
+	return out;
+}
+
 #if defined(__GNUC__) && __GNUC__ >= 13
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdangling-reference"
--- a/src/nostalgia/modules/gfx/test/tests.cpp
+++ b/src/nostalgia/modules/gfx/test/tests.cpp
@@ -6,8 +6,8 @@

 #include <map>
 #include <ox/std/error.hpp>
-#include <ox/mc/mc.hpp>
-#include <nostalgia/gfx/core.hpp>
+#include <ox/mc/write.hpp>
+#include <nostalgia/gfx/gfx.hpp>

 using namespace nostalgia;

@@ -15,7 +15,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 	{
 		"readWriteTileSheet",
 		[]() -> ox::Error {
-			gfx::TileSheet in;
+			gfx::TileSheet const in;
 			OX_REQUIRE(buff, ox::writeMC(in));
 			OX_REQUIRE(out, ox::readMC<gfx::TileSheet>(buff));
 			oxAssert(in.subsheet.name == out.subsheet.name, "subsheet.name serialization broken");
--- a/src/nostalgia/player/app.cpp
+++ b/src/nostalgia/player/app.cpp
@@ -5,7 +5,7 @@
 #include <keel/media.hpp>
 #include <turbine/turbine.hpp>

-#include <nostalgia/gfx/core.hpp>
+#include <nostalgia/gfx/gfx.hpp>

 using namespace nostalgia;

--- a/src/nostalgia/studio/CMakeLists.txt
+++ b/src/nostalgia/studio/CMakeLists.txt
@@ -15,7 +15,7 @@ target_link_libraries(

 target_compile_definitions(
 	NostalgiaStudio PUBLIC
-		OLYMPIC_APP_VERSION="d2025.05.1"
+		OLYMPIC_APP_VERSION="dev build"
 )

 install(
--- a/src/nostalgia/studio/Info.plist
+++ b/src/nostalgia/studio/Info.plist
@@ -18,7 +18,7 @@
 	<string>APPL</string>

 	<key>CFBundleVersion</key>
-	<string>d2025.05.1</string>
+	<string>dev build</string>

 	<key>LSMinimumSystemVersion</key>
 	<string>12.0.0</string>
--- a/src/olympic/keel/src/CMakeLists.txt
+++ b/src/olympic/keel/src/CMakeLists.txt
@@ -28,7 +28,7 @@ install(
 	DIRECTORY
 		../include/keel
 	DESTINATION
-		include/keel
+		include
 )

 install(
@@ -60,4 +60,11 @@ if(TURBINE_BUILD_TYPE STREQUAL "Native")
 			OxClaw
 			OxLogConn
 	)
+	install(
+		TARGETS
+			KeelPack-AppLib
+		DESTINATION
+			LIBRARY DESTINATION lib
+			ARCHIVE DESTINATION lib
+	)
 endif()
--- a/src/olympic/studio/applib/src/aboutpopup.cpp
+++ b/src/olympic/studio/applib/src/aboutpopup.cpp
@@ -13,8 +13,9 @@ extern ox::String appVersion;

 namespace studio {

-AboutPopup::AboutPopup(turbine::Context &ctx) noexcept: Popup("About") {
-	m_text = ox::sfmt("{} - {}", keelCtx(ctx).appName, olympic::appVersion);
+AboutPopup::AboutPopup(turbine::Context &ctx) noexcept:
+	Popup("About"),
+	m_text{sfmt("{} - {}", keelCtx(ctx).appName, olympic::appVersion)} {
 }

 void AboutPopup::draw(Context &sctx) noexcept {
--- a/src/olympic/studio/applib/src/aboutpopup.hpp
+++ b/src/olympic/studio/applib/src/aboutpopup.hpp
@@ -15,7 +15,7 @@ namespace studio {

 class AboutPopup final: public ig::Popup {
 	private:
-		ox::String m_text;
+		ox::String const m_text;

 	public:
 		explicit AboutPopup(turbine::Context &ctx) noexcept;
--- a/src/olympic/studio/applib/src/filedialogmanager.cpp
+++ b/src/olympic/studio/applib/src/filedialogmanager.cpp
@@ -8,7 +8,7 @@

 namespace studio {

-studio::TaskState FileDialogManager::update(turbine::Context &ctx) noexcept {
+TaskState FileDialogManager::update(turbine::Context &ctx) noexcept {
 	switch (m_state) {
 		case UpdateProjectPathState::EnableSystemCursor: {
 			// switch to system cursor in this update and open file dialog in the next
--- a/src/olympic/studio/applib/src/studioui.cpp
+++ b/src/olympic/studio/applib/src/studioui.cpp
@@ -31,7 +31,15 @@ static bool shutdownHandler(turbine::Context &ctx) {
 }

 void navigateTo(Context &ctx, ox::StringParam filePath, ox::StringParam navArgs) noexcept {
-	ctx.ui.navigateTo(std::move(filePath), std::move(navArgs));
+	ox::String path = std::move(filePath);
+	if (beginsWith(path, "uuid://")) {
+		auto [p, err] = keel::uuidUrlToPath(keelCtx(ctx), path);
+		if (err) {
+			return;
+		}
+		path = p;
+	}
+	ctx.ui.navigateTo(std::move(path), std::move(navArgs));
 }

 namespace ig {
--- a/src/olympic/studio/modlib/include/studio/context.hpp
+++ b/src/olympic/studio/modlib/include/studio/context.hpp
@@ -27,6 +27,6 @@ inline keel::Context &keelCtx(Context &ctx) noexcept {
 	return keelCtx(ctx.tctx);
 }

-void navigateTo(Context &ctx, ox::StringParam filePath, ox::StringParam navArgs) noexcept;
+void navigateTo(Context &ctx, ox::StringParam filePath, ox::StringParam navArgs = "") noexcept;

 }
--- a/src/olympic/studio/modlib/include/studio/editor.hpp
+++ b/src/olympic/studio/modlib/include/studio/editor.hpp
@@ -6,6 +6,8 @@

 #include <ox/event/signal.hpp>

+#include <turbine/turbine.hpp>
+
 #include "undostack.hpp"
 #include "widget.hpp"

--- a/src/olympic/studio/modlib/src/CMakeLists.txt
+++ b/src/olympic/studio/modlib/src/CMakeLists.txt
@@ -44,5 +44,5 @@ install(
 	DIRECTORY
 		../include/studio
 	DESTINATION
-		include/studio
+		include
 )
--- a/src/olympic/turbine/include/turbine/clipboard.hpp
+++ b/src/olympic/turbine/include/turbine/clipboard.hpp
@@ -34,7 +34,7 @@ void setClipboardText(Context &ctx, ox::StringViewCR text) noexcept;

 void setClipboardObject(Context &ctx, ox::UPtr<BaseClipboardObject> &&obj) noexcept;

-ox::Result<BaseClipboardObject*> getClipboardData(Context &ctx, ox::StringView typeId) noexcept;
+ox::Result<BaseClipboardObject*> getClipboardData(Context &ctx, ox::StringViewCR typeId) noexcept;

 template<typename T>
 ox::Result<T*> getClipboardObject(Context &ctx) noexcept {
--- a/src/olympic/turbine/include/turbine/context.hpp
+++ b/src/olympic/turbine/include/turbine/context.hpp
@@ -6,13 +6,9 @@

 #include <ox/fs/fs.hpp>
 #include <ox/model/desctypes.hpp>
-#include <ox/std/buffer.hpp>
-#include <ox/std/size.hpp>

 #include <keel/context.hpp>

-#include "input.hpp"
-
 namespace turbine {

 class Context;
@@ -47,10 +43,5 @@ T *applicationData(Context &ctx) noexcept {
 	return applicationDataRaw(ctx).get<T>();
 }

-void setKeyEventHandler(Context &ctx, KeyEventHandler h) noexcept;
-
-[[nodiscard]]
-KeyEventHandler keyEventHandler(Context &ctx) noexcept;
-
 }

--- a/src/olympic/turbine/include/turbine/event.hpp
+++ b/src/olympic/turbine/include/turbine/event.hpp
@@ -1,17 +0,0 @@
-/*
- * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#pragma once
-
-namespace turbine {
-
-class Context;
-
-using UpdateHandler = int(*)(Context&);
-
-// Sets event handler that sleeps for the time given in the return value. The
-// sleep time is a minimum of ~16 milliseconds.
-void setUpdateHandler(Context &ctx, UpdateHandler) noexcept;
-
-}
--- a/src/olympic/turbine/include/turbine/gfx.hpp
+++ b/src/olympic/turbine/include/turbine/gfx.hpp
@@ -21,11 +21,9 @@ class Drawer {
 		virtual void draw(Context&) noexcept = 0;
 };
 void addDrawer(Context &ctx, Drawer *cd) noexcept;
-void removeDrawer(Context &ctx, Drawer *cd) noexcept;
+void removeDrawer(Context &ctx, Drawer const *cd) noexcept;
 }

-ox::Error initGfx(Context &ctx) noexcept;
-
 ox::Error setWindowIcon(Context &ctx, ox::SpanView<ox::SpanView<uint8_t>> const &iconPngs) noexcept;

 void setWindowTitle(Context &ctx, ox::StringViewCR title) noexcept;
--- a/src/olympic/turbine/include/turbine/input.hpp
+++ b/src/olympic/turbine/include/turbine/input.hpp
@@ -1,79 +0,0 @@
-/*
- * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#pragma once
-
-#include <ox/std/defines.hpp>
-
-namespace turbine {
-
-enum Key {
-	// GBA implementation currently relies on GamePad entry order
-	GamePad_A = 0,
-	GamePad_B,
-	GamePad_Select,
-	GamePad_Start,
-	GamePad_Right,
-	GamePad_Left,
-	GamePad_Up,
-	GamePad_Down,
-	GamePad_R,
-	GamePad_L,
-
-	Num_0,
-	Num_1,
-	Num_2,
-	Num_3,
-	Num_4,
-	Num_5,
-	Num_6,
-	Num_7,
-	Num_8,
-	Num_9,
-
-	Alpha_A,
-	Alpha_B,
-	Alpha_C,
-	Alpha_D,
-	Alpha_E,
-	Alpha_F,
-	Alpha_G,
-	Alpha_H,
-	Alpha_I,
-	Alpha_J,
-	Alpha_K,
-	Alpha_L,
-	Alpha_M,
-	Alpha_N,
-	Alpha_O,
-	Alpha_P,
-	Alpha_Q,
-	Alpha_R,
-	Alpha_S,
-	Alpha_T,
-	Alpha_U,
-	Alpha_V,
-	Alpha_W,
-	Alpha_X,
-	Alpha_Y,
-	Alpha_Z,
-
-	Mod_Alt,
-	Mod_Ctrl,
-	Mod_Super,
-	Mod_Shift,
-
-	Escape,
-
-	End
-};
-
-class Context;
-
-[[nodiscard]]
-bool buttonDown(Context const&ctx, Key) noexcept;
-
-using KeyEventHandler = void(*)(Context&, Key, bool);
-
-}
--- a/src/olympic/turbine/include/turbine/turbine.hpp
+++ b/src/olympic/turbine/include/turbine/turbine.hpp
@@ -8,13 +8,85 @@
 #include <ox/fs/fs.hpp>

 #include "clipboard.hpp"
-#include "event.hpp"
 #include "gfx.hpp"
-#include "input.hpp"

 namespace turbine {

+class Context;
+
 using TimeMs = uint64_t;
+using UpdateHandler = int(*)(Context&);
+
+enum Key {
+	// GBA implementation currently relies on GamePad entry order
+	GamePad_A = 0,
+	GamePad_B,
+	GamePad_Select,
+	GamePad_Start,
+	GamePad_Right,
+	GamePad_Left,
+	GamePad_Up,
+	GamePad_Down,
+	GamePad_R,
+	GamePad_L,
+
+	Num_0,
+	Num_1,
+	Num_2,
+	Num_3,
+	Num_4,
+	Num_5,
+	Num_6,
+	Num_7,
+	Num_8,
+	Num_9,
+
+	Alpha_A,
+	Alpha_B,
+	Alpha_C,
+	Alpha_D,
+	Alpha_E,
+	Alpha_F,
+	Alpha_G,
+	Alpha_H,
+	Alpha_I,
+	Alpha_J,
+	Alpha_K,
+	Alpha_L,
+	Alpha_M,
+	Alpha_N,
+	Alpha_O,
+	Alpha_P,
+	Alpha_Q,
+	Alpha_R,
+	Alpha_S,
+	Alpha_T,
+	Alpha_U,
+	Alpha_V,
+	Alpha_W,
+	Alpha_X,
+	Alpha_Y,
+	Alpha_Z,
+
+	Mod_Alt,
+	Mod_Ctrl,
+	Mod_Super,
+	Mod_Shift,
+
+	Escape,
+
+	End
+};
+
+using KeyEventHandler = void(*)(Context&, Key, bool);
+
+void setKeyEventHandler(Context &ctx, KeyEventHandler h) noexcept;
+
+[[nodiscard]]
+KeyEventHandler keyEventHandler(Context &ctx) noexcept;
+
+[[nodiscard]]
+bool buttonDown(Context const&ctx, Key) noexcept;

 ox::Result<ox::UPtr<Context>> init(ox::UPtr<ox::FileSystem> &&fs, ox::StringViewCR appName) noexcept;

@@ -33,4 +105,8 @@ using ShutdownHandler = bool (*)(Context&);

 void setShutdownHandler(Context &ctx, ShutdownHandler handler) noexcept;

+// Sets event handler that sleeps for the time given in the return value. The
+// sleep time is a minimum of ~16 milliseconds.
+void setUpdateHandler(Context &ctx, UpdateHandler) noexcept;
+
 }
--- a/src/olympic/turbine/src/CMakeLists.txt
+++ b/src/olympic/turbine/src/CMakeLists.txt
@@ -38,7 +38,7 @@ install(
 	DIRECTORY
 		../include/turbine
 	DESTINATION
-		include/turbine
+		include
 )

 install(
--- a/src/olympic/turbine/src/gba/CMakeLists.txt
+++ b/src/olympic/turbine/src/gba/CMakeLists.txt
@@ -6,8 +6,6 @@ target_sources(
 	Turbine-GBA PRIVATE
 		context.cpp
 		clipboard.cpp
-		event.cpp
-		gfx.cpp
 		irq.arm.cpp
 		turbine.arm.cpp
 		turbine.cpp
--- a/src/olympic/turbine/src/gba/clipboard.cpp
+++ b/src/olympic/turbine/src/gba/clipboard.cpp
@@ -5,6 +5,7 @@
 #include <ox/std/string.hpp>

 #include <turbine/context.hpp>
+#include <turbine/clipboard.hpp>

 namespace turbine {

@@ -15,4 +16,8 @@ ox::String getClipboardText(Context&) noexcept {
 void setClipboardText(Context&, ox::StringViewCR) noexcept {
 }

+ox::Result<BaseClipboardObject*> getClipboardData(Context&, ox::StringViewCR) noexcept {
+	return ox::Error{1, "not implemented"};
+}
+
 }
--- a/src/olympic/turbine/src/gba/context.hpp
+++ b/src/olympic/turbine/src/gba/context.hpp
@@ -6,9 +6,8 @@

 #include <keel/context.hpp>

-#include <turbine/clipboard.hpp>
 #include <turbine/context.hpp>
-#include <turbine/event.hpp>
+#include <turbine/turbine.hpp>

 namespace turbine {

--- a/src/olympic/turbine/src/gba/event.cpp
+++ b/src/olympic/turbine/src/gba/event.cpp
@@ -1,23 +0,0 @@
-/*
- * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#include <turbine/event.hpp>
-
-#include "context.hpp"
-
-namespace turbine {
-
-void setUpdateHandler(Context &ctx, UpdateHandler h) noexcept {
-	ctx.updateHandler = h;
-}
-
-void setKeyEventHandler(Context &ctx, KeyEventHandler h) noexcept {
-	ctx.keyEventHandler = h;
-}
-
-KeyEventHandler keyEventHandler(Context &ctx) noexcept {
-	return ctx.keyEventHandler;
-}
-
-}
--- a/src/olympic/turbine/src/gba/gfx.cpp
+++ b/src/olympic/turbine/src/gba/gfx.cpp
@@ -1,50 +0,0 @@
-/*
- * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#include <ox/std/size.hpp>
-#include <ox/std/stringview.hpp>
-
-#include <teagba/addresses.hpp>
-#include <teagba/gfx.hpp>
-#include <teagba/irq.hpp>
-
-#include <turbine/context.hpp>
-
-namespace turbine {
-
-ox::Error initGfx(Context&) noexcept {
-	REG_DISPCTL = teagba::DispCtl_Mode0
-	            | teagba::DispCtl_SpriteMap1D
-	            | teagba::DispCtl_Obj;
-	// tell display to trigger vblank interrupts
-	REG_DISPSTAT = REG_DISPSTAT | teagba::DispStat_irq_vblank;
-	// enable vblank interrupt
-	REG_IE = REG_IE | teagba::Int_vblank;
-	return {};
-}
-
-void setWindowTitle(Context&, ox::StringViewCR) noexcept {
-}
-
-int getScreenWidth(Context const&) noexcept {
-	return 240;
-}
-
-int getScreenHeight(Context const&) noexcept {
-	return 160;
-}
-
-ox::Size getScreenSize(Context const&) noexcept {
-	return {240, 160};
-}
-
-ox::Bounds getWindowBounds(Context const&) noexcept {
-	return {0, 0, 240, 160};
-}
-
-ox::Error setWindowBounds(Context&, ox::Bounds const&) noexcept {
-	return ox::Error(1, "setWindowBounds not supported on GBA");
-}
-
-}
--- a/src/olympic/turbine/src/gba/turbine.cpp
+++ b/src/olympic/turbine/src/gba/turbine.cpp
@@ -3,8 +3,10 @@
 */

 #include <teagba/addresses.hpp>
+#include <teagba/gfx.hpp>
 #include <teagba/irq.hpp>

+
 #include <keel/keel.hpp>
 #include <turbine/context.hpp>
 #include <turbine/gfx.hpp>
@@ -58,6 +60,40 @@ OX_ALLOW_UNSAFE_BUFFERS_END
 	return ox::Error(1);
 }

+static ox::Error initGfx(Context&) noexcept {
+	REG_DISPCTL = teagba::DispCtl_Mode0
+				| teagba::DispCtl_SpriteMap1D
+				| teagba::DispCtl_Obj;
+	// tell display to trigger vblank interrupts
+	REG_DISPSTAT = REG_DISPSTAT | teagba::DispStat_irq_vblank;
+	// enable vblank interrupt
+	REG_IE = REG_IE | teagba::Int_vblank;
+	return {};
+}
+
+void setWindowTitle(Context&, ox::StringViewCR) noexcept {
+}
+
+int getScreenWidth(Context const&) noexcept {
+	return 240;
+}
+
+int getScreenHeight(Context const&) noexcept {
+	return 160;
+}
+
+ox::Size getScreenSize(Context const&) noexcept {
+	return {240, 160};
+}
+
+ox::Bounds getWindowBounds(Context const&) noexcept {
+	return {0, 0, 240, 160};
+}
+
+ox::Error setWindowBounds(Context&, ox::Bounds const&) noexcept {
+	return ox::Error(1, "setWindowBounds not supported on GBA");
+}
+
 ox::Result<ox::UPtr<Context>> init(
 		ox::UPtr<ox::FileSystem> &&fs, ox::StringViewCR appName) noexcept {
 	auto ctx = ox::make_unique<Context>();
@@ -68,7 +104,7 @@ ox::Result<ox::UPtr<Context>> init(
 	OX_RETURN_ERROR(initGfx(*ctx));
 	initTimer();
 	initIrq();
-	return ox::UPtr<Context>(std::move(ctx));
+	return ctx;
 }

 void shutdown(Context&) noexcept {
@@ -89,4 +125,16 @@ void requestShutdown(Context &ctx, bool) noexcept {
 void setShutdownHandler(Context&, ShutdownHandler) noexcept {
 }

+void setUpdateHandler(Context &ctx, UpdateHandler h) noexcept {
+	ctx.updateHandler = h;
+}
+
+void setKeyEventHandler(Context &ctx, KeyEventHandler h) noexcept {
+	ctx.keyEventHandler = h;
+}
+
+KeyEventHandler keyEventHandler(Context &ctx) noexcept {
+	return ctx.keyEventHandler;
+}
+
 }
--- a/src/olympic/turbine/src/glfw/CMakeLists.txt
+++ b/src/olympic/turbine/src/glfw/CMakeLists.txt
@@ -5,8 +5,6 @@ target_sources(
 	Turbine PRIVATE
 		context.cpp
 		clipboard.cpp
-		event.cpp
-		gfx.cpp
 		turbine.cpp
 )

--- a/src/olympic/turbine/src/glfw/clipboard.cpp
+++ b/src/olympic/turbine/src/glfw/clipboard.cpp
@@ -28,7 +28,7 @@ void setClipboardObject(Context &ctx, ox::UPtr<BaseClipboardObject> &&obj) noexc
 	ctx.clipboard = std::move(obj);
 }

-ox::Result<BaseClipboardObject*> getClipboardData(Context &ctx, ox::StringView typeId) noexcept {
+ox::Result<BaseClipboardObject*> getClipboardData(Context &ctx, ox::StringViewCR typeId) noexcept {
 	if (ctx.clipboard && ctx.clipboard->typeId() == typeId) {
 		return ctx.clipboard.get();
 	}
--- a/src/olympic/turbine/src/glfw/context.hpp
+++ b/src/olympic/turbine/src/glfw/context.hpp
@@ -7,7 +7,6 @@
 #include <turbine/clipboard.hpp>
 #include <turbine/context.hpp>
 #include <turbine/gfx.hpp>
-#include <turbine/event.hpp>
 #include <turbine/turbine.hpp>

 namespace turbine {
--- a/src/olympic/turbine/src/glfw/event.cpp
+++ b/src/olympic/turbine/src/glfw/event.cpp
@@ -1,23 +0,0 @@
-/*
- * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#include <turbine/event.hpp>
-
-#include "context.hpp"
-
-namespace turbine {
-
-void setUpdateHandler(Context &ctx, UpdateHandler h) noexcept {
-	ctx.updateHandler = h;
-}
-
-void setKeyEventHandler(Context &ctx, KeyEventHandler h) noexcept {
-	ctx.keyEventHandler = h;
-}
-
-KeyEventHandler keyEventHandler(Context &ctx) noexcept {
-	return ctx.keyEventHandler;
-}
-
-}
--- a/src/olympic/turbine/src/glfw/gfx.cpp
+++ b/src/olympic/turbine/src/glfw/gfx.cpp
@@ -1,324 +0,0 @@
-/*
- * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#include <glad/glad.h>
-#include <GLFW/glfw3.h>
-#include <lodepng.h>
-#if TURBINE_USE_IMGUI
-#include <imgui_impl_glfw.h>
-#include <imgui_impl_opengl3.h>
-#endif
-
-#include "config.hpp"
-
-#include <ox/std/span.hpp>
-
-#include "context.hpp"
-
-namespace turbine {
-
-namespace gl {
-
-void addDrawer(Context &ctx, Drawer *cd) noexcept {
-	ctx.drawers.emplace_back(cd);
-}
-
-void removeDrawer(Context &ctx, Drawer *cd) noexcept {
-	for (auto i = 0u; i < ctx.drawers.size(); ++i) {
-		if (ctx.drawers[i] == cd) {
-			std::ignore = ctx.drawers.erase(i);
-			break;
-		}
-	}
-}
-
-}
-
-static void handleGlfwError(int err, char const*desc) noexcept {
-	oxErrf("GLFW error ({}): {}\n", err, desc);
-}
-
-static auto setKeyDownStatus(Context &ctx, Key key, bool down) noexcept {
-	ctx.keysDown &= ~(1llu << static_cast<int>(key));
-	ctx.keysDown |= static_cast<uint64_t>(down) << static_cast<int>(key);
-}
-
-static void handleKeyPress(Context &ctx, int key, bool down) noexcept {
-	static constexpr auto keyMap = [] {
-		ox::Array<Key, GLFW_KEY_LAST> map = {};
-		for (auto i = 0u; i < 26; ++i) {
-			map[GLFW_KEY_A + i] = static_cast<Key>(static_cast<unsigned>(Key::Alpha_A) + i);
-		}
-		for (auto i = 0u; i < 10; ++i) {
-			map[GLFW_KEY_0 + i] = static_cast<Key>(static_cast<unsigned>(Key::Num_0) + i);
-		}
-		map[GLFW_KEY_LEFT_ALT]      = Key::Mod_Alt;
-		map[GLFW_KEY_RIGHT_ALT]     = Key::Mod_Alt;
-		map[GLFW_KEY_LEFT_CONTROL]  = Key::Mod_Ctrl;
-		map[GLFW_KEY_RIGHT_CONTROL] = Key::Mod_Ctrl;
-		map[GLFW_KEY_LEFT_SUPER]    = Key::Mod_Super;
-		map[GLFW_KEY_RIGHT_SUPER]   = Key::Mod_Super;
-		map[GLFW_KEY_LEFT_SHIFT]    = Key::Mod_Shift;
-		map[GLFW_KEY_RIGHT_SHIFT]   = Key::Mod_Shift;
-		map[GLFW_KEY_ESCAPE]        = Key::Escape;
-		return map;
-	}();
-	auto const eventHandler = keyEventHandler(ctx);
-	auto const keyIdx = static_cast<std::size_t>(key);
-	if (keyIdx < keyMap.size()) {
-		auto const k = keyMap[keyIdx];
-		setKeyDownStatus(ctx, k, down);
-		if (eventHandler) {
-			eventHandler(ctx, k, down);
-		}
-	}
-}
-
-static void handleGlfwCursorPosEvent(GLFWwindow*, double, double) noexcept {
-}
-
-static void handleGlfwMouseButtonEvent(GLFWwindow *window, int, int, int) noexcept {
-	auto &ctx = *static_cast<Context*>(glfwGetWindowUserPointer(window));
-	ctx.mandatoryRefreshPeriodEnd = ticksMs(ctx) + config::MandatoryRefreshPeriod;
-}
-
-static void handleGlfwKeyEvent(GLFWwindow *window, int key, int, int action, int) noexcept {
-	auto &ctx = *static_cast<Context*>(glfwGetWindowUserPointer(window));
-	ctx.mandatoryRefreshPeriodEnd = ticksMs(ctx) + config::MandatoryRefreshPeriod;
-	if (action == GLFW_PRESS) {
-		handleKeyPress(ctx, key, true);
-	} else if (action == GLFW_RELEASE) {
-		handleKeyPress(ctx, key, false);
-	}
-}
-
-static void handleGlfwWindowCloseEvent(GLFWwindow *window) noexcept {
-	auto &ctx = *static_cast<Context*>(glfwGetWindowUserPointer(window));
-	ctx.mandatoryRefreshPeriodEnd = ticksMs(ctx) + config::MandatoryRefreshPeriod;
-	ctx.running = ctx.shutdownHandler ? !ctx.shutdownHandler(ctx) : false;
-	glfwSetWindowShouldClose(window, !ctx.running);
-	glfwPostEmptyEvent();
-}
-
-#if TURBINE_USE_IMGUI
-static void themeImgui() noexcept {
-	// Dark Ruda style by Raikiri from ImThemes
-	auto &style = ImGui::GetStyle();
-	style.Alpha = 1.0;
-	style.DisabledAlpha = 0.6000000238418579;
-	style.WindowPadding = ImVec2(8.0, 8.0);
-	style.WindowRounding = 0.0;
-	style.WindowBorderSize = 1.0;
-	style.WindowMinSize = ImVec2(32.0, 32.0);
-	style.WindowTitleAlign = ImVec2(0.0, 0.5);
-	style.WindowMenuButtonPosition = ImGuiDir_Left;
-	style.ChildRounding = 0.0;
-	style.ChildBorderSize = 1.0;
-	style.PopupRounding = 0.0;
-	style.PopupBorderSize = 1.0;
-	style.FramePadding = ImVec2(4.0, 3.0);
-	// custom value
-	style.FrameRounding = 3.0;
-	style.FrameBorderSize = 0.0;
-	style.ItemSpacing = ImVec2(8.0, 4.0);
-	style.ItemInnerSpacing = ImVec2(4.0, 4.0);
-	style.CellPadding = ImVec2(4.0, 2.0);
-	style.IndentSpacing = 21.0;
-	style.ColumnsMinSpacing = 6.0;
-	style.ScrollbarSize = 14.0;
-	style.ScrollbarRounding = 9.0;
-	style.GrabMinSize = 10.0;
-	style.GrabRounding = 4.0;
-	style.TabRounding = 4.0;
-	style.TabBorderSize = 0.0;
-	style.TabMinWidthForCloseButton = 0.0;
-	style.ColorButtonPosition = ImGuiDir_Right;
-	style.ButtonTextAlign = ImVec2(0.5, 0.5);
-	style.SelectableTextAlign = ImVec2(0.0, 0.0);
-	// colors
-	constexpr auto imVec4 = [](double r, double g, double b, double a) {
-		return ImVec4(
-				static_cast<float>(r),
-				static_cast<float>(g),
-				static_cast<float>(b),
-				static_cast<float>(a));
-	};
-	auto colors = ox::Span(style.Colors);
-	colors[ImGuiCol_Text] = imVec4(0.9490196108818054, 0.95686274766922, 0.9764705896377563, 1.0);
-	colors[ImGuiCol_TextDisabled] = imVec4(0.3568627536296844, 0.4196078479290009, 0.4666666686534882, 1.0);
-	colors[ImGuiCol_WindowBg] = imVec4(0.1098039224743843, 0.1490196138620377, 0.168627455830574, 1.0);
-	colors[ImGuiCol_ChildBg] = imVec4(0.1490196138620377, 0.1764705926179886, 0.2196078449487686, 1.0);
-	colors[ImGuiCol_PopupBg] = imVec4(0.0784313753247261, 0.0784313753247261, 0.0784313753247261, 0.9399999976158142);
-	colors[ImGuiCol_Border] = imVec4(0.0784313753247261, 0.09803921729326248, 0.1176470592617989, 1.0);
-	colors[ImGuiCol_BorderShadow] = imVec4(0.0, 0.0, 0.0, 0.0);
-	colors[ImGuiCol_FrameBg] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
-	colors[ImGuiCol_FrameBgHovered] = imVec4(0.1176470592617989, 0.2000000029802322, 0.2784313857555389, 1.0);
-	colors[ImGuiCol_FrameBgActive] = imVec4(0.08627451211214066, 0.1176470592617989, 0.1372549086809158, 1.0);
-	colors[ImGuiCol_TitleBg] = imVec4(0.08627451211214066, 0.1176470592617989, 0.1372549086809158, 0.6499999761581421);
-	colors[ImGuiCol_TitleBgActive] = imVec4(0.0784313753247261, 0.09803921729326248, 0.1176470592617989, 1.0);
-	colors[ImGuiCol_TitleBgCollapsed] = imVec4(0.0, 0.0, 0.0, 0.5099999904632568);
-	colors[ImGuiCol_MenuBarBg] = imVec4(0.1490196138620377, 0.1764705926179886, 0.2196078449487686, 1.0);
-	colors[ImGuiCol_ScrollbarBg] = imVec4(0.01960784383118153, 0.01960784383118153, 0.01960784383118153, 0.3899999856948853);
-	colors[ImGuiCol_ScrollbarGrab] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
-	colors[ImGuiCol_ScrollbarGrabHovered] = imVec4(0.1764705926179886, 0.2196078449487686, 0.2470588237047195, 1.0);
-	colors[ImGuiCol_ScrollbarGrabActive] = imVec4(0.08627451211214066, 0.2078431397676468, 0.3098039329051971, 1.0);
-	colors[ImGuiCol_CheckMark] = imVec4(0.2784313857555389, 0.5568627715110779, 1.0, 1.0);
-	colors[ImGuiCol_SliderGrab] = imVec4(0.2784313857555389, 0.5568627715110779, 1.0, 1.0);
-	colors[ImGuiCol_SliderGrabActive] = imVec4(0.3686274588108063, 0.6078431606292725, 1.0, 1.0);
-	colors[ImGuiCol_Button] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
-	colors[ImGuiCol_ButtonHovered] = imVec4(0.2784313857555389, 0.5568627715110779, 1.0, 1.0);
-	colors[ImGuiCol_ButtonActive] = imVec4(0.05882352963089943, 0.529411792755127, 0.9764705896377563, 1.0);
-	// custom value
-	colors[ImGuiCol_Header] = imVec4(0.4000000029802322, 0.4470588237047195, 0.4862745225429535, 0.550000011920929);
-	colors[ImGuiCol_HeaderHovered] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.800000011920929);
-	colors[ImGuiCol_HeaderActive] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 1.0);
-	colors[ImGuiCol_Separator] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
-	colors[ImGuiCol_SeparatorHovered] = imVec4(0.09803921729326248, 0.4000000059604645, 0.7490196228027344, 0.7799999713897705);
-	colors[ImGuiCol_SeparatorActive] = imVec4(0.09803921729326248, 0.4000000059604645, 0.7490196228027344, 1.0);
-	colors[ImGuiCol_ResizeGrip] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.25);
-	colors[ImGuiCol_ResizeGripHovered] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.6700000166893005);
-	colors[ImGuiCol_ResizeGripActive] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.949999988079071);
-	colors[ImGuiCol_Tab] = imVec4(0.1098039224743843, 0.1490196138620377, 0.168627455830574, 1.0);
-	colors[ImGuiCol_TabHovered] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.800000011920929);
-	colors[ImGuiCol_TabActive] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
-	colors[ImGuiCol_TabUnfocused] = imVec4(0.1098039224743843, 0.1490196138620377, 0.168627455830574, 1.0);
-	colors[ImGuiCol_TabUnfocusedActive] = imVec4(0.1098039224743843, 0.1490196138620377, 0.168627455830574, 1.0);
-	colors[ImGuiCol_PlotLines] = imVec4(0.6078431606292725, 0.6078431606292725, 0.6078431606292725, 1.0);
-	colors[ImGuiCol_PlotLinesHovered] = imVec4(1.0, 0.4274509847164154, 0.3490196168422699, 1.0);
-	colors[ImGuiCol_PlotHistogram] = imVec4(0.8980392217636108, 0.6980392336845398, 0.0, 1.0);
-	colors[ImGuiCol_PlotHistogramHovered] = imVec4(1.0, 0.6000000238418579, 0.0, 1.0);
-	colors[ImGuiCol_TableHeaderBg] = imVec4(0.1882352977991104, 0.1882352977991104, 0.2000000029802322, 1.0);
-	colors[ImGuiCol_TableBorderStrong] = imVec4(0.3098039329051971, 0.3098039329051971, 0.3490196168422699, 1.0);
-	colors[ImGuiCol_TableBorderLight] = imVec4(0.2274509817361832, 0.2274509817361832, 0.2470588237047195, 1.0);
-	colors[ImGuiCol_TableRowBg] = imVec4(0.0, 0.0, 0.0, 0.0);
-	colors[ImGuiCol_TableRowBgAlt] = imVec4(1.0, 1.0, 1.0, 0.05999999865889549);
-	colors[ImGuiCol_TextSelectedBg] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.3499999940395355);
-	colors[ImGuiCol_DragDropTarget] = imVec4(1.0, 1.0, 0.0, 0.8999999761581421);
-	colors[ImGuiCol_NavHighlight] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 1.0);
-	colors[ImGuiCol_NavWindowingHighlight] = imVec4(1.0, 1.0, 1.0, 0.699999988079071);
-	colors[ImGuiCol_NavWindowingDimBg] = imVec4(0.800000011920929, 0.800000011920929, 0.800000011920929, 0.2000000029802322);
-	colors[ImGuiCol_ModalWindowDimBg] = imVec4(0.800000011920929, 0.800000011920929, 0.800000011920929, 0.3499999940395355);
-}
-#endif
-
-ox::Error initGfx(Context &ctx) noexcept {
-	glfwSetErrorCallback(handleGlfwError);
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
-	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
-	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
-	glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
-	constexpr auto Scale = 5;
-	ctx.window = glfwCreateWindow(240 * Scale, 160 * Scale, ctx.keelCtx.appName.c_str(), nullptr, nullptr);
-	//ctx.window = glfwCreateWindow(876, 743, ctx.keelCtx.appName.c_str(), nullptr, nullptr);
-	if (ctx.window == nullptr) {
-		return ox::Error(1, "Could not open GLFW window");
-	}
-	glfwSetCursorPosCallback(ctx.window, handleGlfwCursorPosEvent);
-	glfwSetMouseButtonCallback(ctx.window, handleGlfwMouseButtonEvent);
-	glfwSetKeyCallback(ctx.window, handleGlfwKeyEvent);
-	glfwSetWindowCloseCallback(ctx.window, handleGlfwWindowCloseEvent);
-	glfwSetWindowUserPointer(ctx.window, &ctx);
-	glfwMakeContextCurrent(ctx.window);
-	if (!gladLoadGLES2Loader(reinterpret_cast<GLADloadproc>(glfwGetProcAddress))) {
-		return ox::Error(2, "Could not init Glad");
-	}
-#if TURBINE_USE_IMGUI
-	IMGUI_CHECKVERSION();
-	ImGui::CreateContext();
-	auto &io = ImGui::GetIO();
-	io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
-	//io.MouseDrawCursor = true;
-	ImGui_ImplGlfw_InitForOpenGL(ctx.window, true);
-	ImGui_ImplOpenGL3_Init();
-	io.IniFilename = nullptr;
-	themeImgui();
-#endif
-	return {};
-}
-
-struct IconData {
-	std::vector<uint8_t> pixels;
-	int w{}, h{};
-};
-
-[[nodiscard]]
-[[maybe_unused]]
-static ox::Result<IconData> toGlfwImgPixels(ox::SpanView<uint8_t> const &iconPng) noexcept {
-	ox::Result<IconData> out;
-	unsigned w{}, h{};
-	if (lodepng::decode(out.value.pixels, w, h, iconPng.data(), iconPng.size())) {
-		return ox::Error{1, "unable to decode window icon PNG data"};
-	}
-	out.value.w = static_cast<int>(w);
-	out.value.h = static_cast<int>(h);
-	return out;
-}
-
-ox::Error setWindowIcon(Context &ctx, ox::SpanView<ox::SpanView<uint8_t>> const &iconPngs) noexcept {
-	if constexpr(ox::defines::OS != ox::OS::Darwin) {
-		ox::Vector<IconData, 8> src;
-		ox::Vector<GLFWimage, 8> imgs;
-		for (auto const &iconPng : iconPngs) {
-			OX_RETURN_ERROR(toGlfwImgPixels(iconPng).moveTo(src.emplace_back()));
-			auto &icon = *src.back().unwrap();
-			imgs.emplace_back(GLFWimage{
-				.width = icon.w,
-				.height = icon.h,
-				.pixels = icon.pixels.data(),
-			});
-		}
-		glfwSetWindowIcon(ctx.window, static_cast<int>(imgs.size()), imgs.data());
-	}
-	return {};
-}
-
-void setWindowTitle(Context &ctx, ox::StringViewCR title) noexcept {
-	auto cstr = ox_malloca(title.bytes() + 1, char);
-	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
-	ox::strncpy(cstr.get(), title.data(), title.bytes());
-	OX_ALLOW_UNSAFE_BUFFERS_END
-	glfwSetWindowTitle(ctx.window, cstr.get());
-}
-
-void focusWindow(Context &ctx) noexcept {
-	glfwFocusWindow(ctx.window);
-}
-
-int getScreenWidth(Context const &ctx) noexcept {
-	int w = 0, h = 0;
-	glfwGetFramebufferSize(ctx.window, &w, &h);
-	return w;
-}
-
-int getScreenHeight(Context const &ctx) noexcept {
-	int w = 0, h = 0;
-	glfwGetFramebufferSize(ctx.window, &w, &h);
-	return h;
-}
-
-ox::Size getScreenSize(Context const &ctx) noexcept {
-	int w = 0, h = 0;
-	glfwGetFramebufferSize(ctx.window, &w, &h);
-	return {w, h};
-}
-
-ox::Bounds getWindowBounds(Context const &ctx) noexcept {
-	ox::Bounds bnds;
-	glfwGetWindowPos(ctx.window, &bnds.x, &bnds.y);
-	glfwGetWindowSize(ctx.window, &bnds.width, &bnds.height);
-	return bnds;
-}
-
-ox::Error setWindowBounds(Context &ctx, ox::Bounds const&bnds) noexcept {
-	glfwSetWindowPos(ctx.window, bnds.x, bnds.y);
-	glfwSetWindowSize(ctx.window, bnds.width, bnds.height);
-	return {};
-}
-
-void setRefreshWithin(Context &ctx, int ms) noexcept {
-	ctx.refreshWithinMs = ox::min(ms, ctx.refreshWithinMs);
-}
-
-}
--- a/src/olympic/turbine/src/glfw/turbine.cpp
+++ b/src/olympic/turbine/src/glfw/turbine.cpp
@@ -2,7 +2,9 @@
 * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
 */

+#include <glad/glad.h>
 #include <GLFW/glfw3.h>
+#include <lodepng.h>
 #if TURBINE_USE_IMGUI
 #include <imgui_impl_opengl3.h>
 #include <imgui_impl_glfw.h>
@@ -17,6 +19,207 @@

 namespace turbine {

+namespace gl {
+
+void addDrawer(Context &ctx, Drawer *cd) noexcept {
+	ctx.drawers.emplace_back(cd);
+}
+
+void removeDrawer(Context &ctx, Drawer const *cd) noexcept {
+	for (auto i = 0u; i < ctx.drawers.size(); ++i) {
+		if (ctx.drawers[i] == cd) {
+			std::ignore = ctx.drawers.erase(i);
+			break;
+		}
+	}
+}
+
+}
+
+#if TURBINE_USE_IMGUI
+static void themeImgui() noexcept {
+	// Dark Ruda style by Raikiri from ImThemes
+	auto &style = ImGui::GetStyle();
+	style.Alpha = 1.0;
+	style.DisabledAlpha = 0.6000000238418579;
+	style.WindowPadding = ImVec2(8.0, 8.0);
+	style.WindowRounding = 0.0;
+	style.WindowBorderSize = 1.0;
+	style.WindowMinSize = ImVec2(32.0, 32.0);
+	style.WindowTitleAlign = ImVec2(0.0, 0.5);
+	style.WindowMenuButtonPosition = ImGuiDir_Left;
+	style.ChildRounding = 0.0;
+	style.ChildBorderSize = 1.0;
+	style.PopupRounding = 0.0;
+	style.PopupBorderSize = 1.0;
+	style.FramePadding = ImVec2(4.0, 3.0);
+	// custom value
+	style.FrameRounding = 3.0;
+	style.FrameBorderSize = 0.0;
+	style.ItemSpacing = ImVec2(8.0, 4.0);
+	style.ItemInnerSpacing = ImVec2(4.0, 4.0);
+	style.CellPadding = ImVec2(4.0, 2.0);
+	style.IndentSpacing = 21.0;
+	style.ColumnsMinSpacing = 6.0;
+	style.ScrollbarSize = 14.0;
+	style.ScrollbarRounding = 9.0;
+	style.GrabMinSize = 10.0;
+	style.GrabRounding = 4.0;
+	style.TabRounding = 4.0;
+	style.TabBorderSize = 0.0;
+	style.TabMinWidthForCloseButton = 0.0;
+	style.ColorButtonPosition = ImGuiDir_Right;
+	style.ButtonTextAlign = ImVec2(0.5, 0.5);
+	style.SelectableTextAlign = ImVec2(0.0, 0.0);
+	// colors
+	constexpr auto imVec4 = [](double r, double g, double b, double a) {
+		return ImVec4(
+				static_cast<float>(r),
+				static_cast<float>(g),
+				static_cast<float>(b),
+				static_cast<float>(a));
+	};
+	auto colors = ox::Span(style.Colors);
+	colors[ImGuiCol_Text] = imVec4(0.9490196108818054, 0.95686274766922, 0.9764705896377563, 1.0);
+	colors[ImGuiCol_TextDisabled] = imVec4(0.3568627536296844, 0.4196078479290009, 0.4666666686534882, 1.0);
+	colors[ImGuiCol_WindowBg] = imVec4(0.1098039224743843, 0.1490196138620377, 0.168627455830574, 1.0);
+	colors[ImGuiCol_ChildBg] = imVec4(0.1490196138620377, 0.1764705926179886, 0.2196078449487686, 1.0);
+	colors[ImGuiCol_PopupBg] = imVec4(0.0784313753247261, 0.0784313753247261, 0.0784313753247261, 0.9399999976158142);
+	colors[ImGuiCol_Border] = imVec4(0.0784313753247261, 0.09803921729326248, 0.1176470592617989, 1.0);
+	colors[ImGuiCol_BorderShadow] = imVec4(0.0, 0.0, 0.0, 0.0);
+	colors[ImGuiCol_FrameBg] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
+	colors[ImGuiCol_FrameBgHovered] = imVec4(0.1176470592617989, 0.2000000029802322, 0.2784313857555389, 1.0);
+	colors[ImGuiCol_FrameBgActive] = imVec4(0.08627451211214066, 0.1176470592617989, 0.1372549086809158, 1.0);
+	colors[ImGuiCol_TitleBg] = imVec4(0.08627451211214066, 0.1176470592617989, 0.1372549086809158, 0.6499999761581421);
+	colors[ImGuiCol_TitleBgActive] = imVec4(0.0784313753247261, 0.09803921729326248, 0.1176470592617989, 1.0);
+	colors[ImGuiCol_TitleBgCollapsed] = imVec4(0.0, 0.0, 0.0, 0.5099999904632568);
+	colors[ImGuiCol_MenuBarBg] = imVec4(0.1490196138620377, 0.1764705926179886, 0.2196078449487686, 1.0);
+	colors[ImGuiCol_ScrollbarBg] = imVec4(0.01960784383118153, 0.01960784383118153, 0.01960784383118153, 0.3899999856948853);
+	colors[ImGuiCol_ScrollbarGrab] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
+	colors[ImGuiCol_ScrollbarGrabHovered] = imVec4(0.1764705926179886, 0.2196078449487686, 0.2470588237047195, 1.0);
+	colors[ImGuiCol_ScrollbarGrabActive] = imVec4(0.08627451211214066, 0.2078431397676468, 0.3098039329051971, 1.0);
+	colors[ImGuiCol_CheckMark] = imVec4(0.2784313857555389, 0.5568627715110779, 1.0, 1.0);
+	colors[ImGuiCol_SliderGrab] = imVec4(0.2784313857555389, 0.5568627715110779, 1.0, 1.0);
+	colors[ImGuiCol_SliderGrabActive] = imVec4(0.3686274588108063, 0.6078431606292725, 1.0, 1.0);
+	colors[ImGuiCol_Button] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
+	colors[ImGuiCol_ButtonHovered] = imVec4(0.2784313857555389, 0.5568627715110779, 1.0, 1.0);
+	colors[ImGuiCol_ButtonActive] = imVec4(0.05882352963089943, 0.529411792755127, 0.9764705896377563, 1.0);
+	// custom value
+	colors[ImGuiCol_Header] = imVec4(0.4000000029802322, 0.4470588237047195, 0.4862745225429535, 0.550000011920929);
+	colors[ImGuiCol_HeaderHovered] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.800000011920929);
+	colors[ImGuiCol_HeaderActive] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 1.0);
+	colors[ImGuiCol_Separator] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
+	colors[ImGuiCol_SeparatorHovered] = imVec4(0.09803921729326248, 0.4000000059604645, 0.7490196228027344, 0.7799999713897705);
+	colors[ImGuiCol_SeparatorActive] = imVec4(0.09803921729326248, 0.4000000059604645, 0.7490196228027344, 1.0);
+	colors[ImGuiCol_ResizeGrip] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.25);
+	colors[ImGuiCol_ResizeGripHovered] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.6700000166893005);
+	colors[ImGuiCol_ResizeGripActive] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.949999988079071);
+	colors[ImGuiCol_Tab] = imVec4(0.1098039224743843, 0.1490196138620377, 0.168627455830574, 1.0);
+	colors[ImGuiCol_TabHovered] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.800000011920929);
+	colors[ImGuiCol_TabActive] = imVec4(0.2000000029802322, 0.2470588237047195, 0.2862745225429535, 1.0);
+	colors[ImGuiCol_TabUnfocused] = imVec4(0.1098039224743843, 0.1490196138620377, 0.168627455830574, 1.0);
+	colors[ImGuiCol_TabUnfocusedActive] = imVec4(0.1098039224743843, 0.1490196138620377, 0.168627455830574, 1.0);
+	colors[ImGuiCol_PlotLines] = imVec4(0.6078431606292725, 0.6078431606292725, 0.6078431606292725, 1.0);
+	colors[ImGuiCol_PlotLinesHovered] = imVec4(1.0, 0.4274509847164154, 0.3490196168422699, 1.0);
+	colors[ImGuiCol_PlotHistogram] = imVec4(0.8980392217636108, 0.6980392336845398, 0.0, 1.0);
+	colors[ImGuiCol_PlotHistogramHovered] = imVec4(1.0, 0.6000000238418579, 0.0, 1.0);
+	colors[ImGuiCol_TableHeaderBg] = imVec4(0.1882352977991104, 0.1882352977991104, 0.2000000029802322, 1.0);
+	colors[ImGuiCol_TableBorderStrong] = imVec4(0.3098039329051971, 0.3098039329051971, 0.3490196168422699, 1.0);
+	colors[ImGuiCol_TableBorderLight] = imVec4(0.2274509817361832, 0.2274509817361832, 0.2470588237047195, 1.0);
+	colors[ImGuiCol_TableRowBg] = imVec4(0.0, 0.0, 0.0, 0.0);
+	colors[ImGuiCol_TableRowBgAlt] = imVec4(1.0, 1.0, 1.0, 0.05999999865889549);
+	colors[ImGuiCol_TextSelectedBg] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 0.3499999940395355);
+	colors[ImGuiCol_DragDropTarget] = imVec4(1.0, 1.0, 0.0, 0.8999999761581421);
+	colors[ImGuiCol_NavHighlight] = imVec4(0.2588235437870026, 0.5882353186607361, 0.9764705896377563, 1.0);
+	colors[ImGuiCol_NavWindowingHighlight] = imVec4(1.0, 1.0, 1.0, 0.699999988079071);
+	colors[ImGuiCol_NavWindowingDimBg] = imVec4(0.800000011920929, 0.800000011920929, 0.800000011920929, 0.2000000029802322);
+	colors[ImGuiCol_ModalWindowDimBg] = imVec4(0.800000011920929, 0.800000011920929, 0.800000011920929, 0.3499999940395355);
+}
+#endif
+
+struct IconData {
+	std::vector<uint8_t> pixels;
+	int w{}, h{};
+};
+
+[[nodiscard]]
+[[maybe_unused]]
+static ox::Result<IconData> toGlfwImgPixels(ox::SpanView<uint8_t> const &iconPng) noexcept {
+	ox::Result<IconData> out;
+	unsigned w{}, h{};
+	if (lodepng::decode(out.value.pixels, w, h, iconPng.data(), iconPng.size())) {
+		return ox::Error{1, "unable to decode window icon PNG data"};
+	}
+	out.value.w = static_cast<int>(w);
+	out.value.h = static_cast<int>(h);
+	return out;
+}
+
+ox::Error setWindowIcon(Context &ctx, ox::SpanView<ox::SpanView<uint8_t>> const &iconPngs) noexcept {
+	if constexpr(ox::defines::OS != ox::OS::Darwin) {
+		ox::Vector<IconData, 8> src;
+		ox::Vector<GLFWimage, 8> imgs;
+		for (auto const &iconPng : iconPngs) {
+			OX_RETURN_ERROR(toGlfwImgPixels(iconPng).moveTo(src.emplace_back()));
+			auto &icon = *src.back().unwrap();
+			imgs.emplace_back(GLFWimage{
+				.width = icon.w,
+				.height = icon.h,
+				.pixels = icon.pixels.data(),
+			});
+		}
+		glfwSetWindowIcon(ctx.window, static_cast<int>(imgs.size()), imgs.data());
+	}
+	return {};
+}
+
+void setWindowTitle(Context &ctx, ox::StringViewCR title) noexcept {
+	auto cstr = ox_malloca(title.bytes() + 1, char);
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
+	ox::strncpy(cstr.get(), title.data(), title.bytes());
+	OX_ALLOW_UNSAFE_BUFFERS_END
+	glfwSetWindowTitle(ctx.window, cstr.get());
+}
+
+void focusWindow(Context &ctx) noexcept {
+	glfwFocusWindow(ctx.window);
+}
+
+int getScreenWidth(Context const &ctx) noexcept {
+	int w = 0, h = 0;
+	glfwGetFramebufferSize(ctx.window, &w, &h);
+	return w;
+}
+
+int getScreenHeight(Context const &ctx) noexcept {
+	int w = 0, h = 0;
+	glfwGetFramebufferSize(ctx.window, &w, &h);
+	return h;
+}
+
+ox::Size getScreenSize(Context const &ctx) noexcept {
+	int w = 0, h = 0;
+	glfwGetFramebufferSize(ctx.window, &w, &h);
+	return {w, h};
+}
+
+ox::Bounds getWindowBounds(Context const &ctx) noexcept {
+	ox::Bounds bnds;
+	glfwGetWindowPos(ctx.window, &bnds.x, &bnds.y);
+	glfwGetWindowSize(ctx.window, &bnds.width, &bnds.height);
+	return bnds;
+}
+
+ox::Error setWindowBounds(Context &ctx, ox::Bounds const&bnds) noexcept {
+	glfwSetWindowPos(ctx.window, bnds.x, bnds.y);
+	glfwSetWindowSize(ctx.window, bnds.width, bnds.height);
+	return {};
+}
+
+void setRefreshWithin(Context &ctx, int ms) noexcept {
+	ctx.refreshWithinMs = ox::min(ms, ctx.refreshWithinMs);
+}
+
 static void draw(Context &ctx) noexcept {
 	// draw start
 #if TURBINE_USE_IMGUI
@@ -35,11 +238,77 @@ static void draw(Context &ctx) noexcept {
 	glfwSwapBuffers(ctx.window);
 }

-static void draw(GLFWwindow *window, int, int) noexcept {
+static void handleGlfwResize(GLFWwindow *window, int, int) noexcept {
 	auto &ctx = *static_cast<Context*>(glfwGetWindowUserPointer(window));
 	draw(ctx);
 }

+static void handleGlfwError(int const err, char const *desc) noexcept {
+	oxErrf("GLFW error ({}): {}\n", err, desc);
+}
+
+static auto setKeyDownStatus(Context &ctx, Key const key, bool const down) noexcept {
+	ctx.keysDown &= ~(1llu << static_cast<int>(key));
+	ctx.keysDown |= static_cast<uint64_t>(down) << static_cast<int>(key);
+}
+
+static void handleKeyPress(Context &ctx, int const key, bool const down) noexcept {
+	static constexpr auto keyMap = [] {
+		ox::Array<Key, GLFW_KEY_LAST> map = {};
+		for (auto i = 0u; i < 26; ++i) {
+			map[GLFW_KEY_A + i] = static_cast<Key>(static_cast<unsigned>(Key::Alpha_A) + i);
+		}
+		for (auto i = 0u; i < 10; ++i) {
+			map[GLFW_KEY_0 + i] = static_cast<Key>(static_cast<unsigned>(Key::Num_0) + i);
+		}
+		map[GLFW_KEY_LEFT_ALT]      = Key::Mod_Alt;
+		map[GLFW_KEY_RIGHT_ALT]     = Key::Mod_Alt;
+		map[GLFW_KEY_LEFT_CONTROL]  = Key::Mod_Ctrl;
+		map[GLFW_KEY_RIGHT_CONTROL] = Key::Mod_Ctrl;
+		map[GLFW_KEY_LEFT_SUPER]    = Key::Mod_Super;
+		map[GLFW_KEY_RIGHT_SUPER]   = Key::Mod_Super;
+		map[GLFW_KEY_LEFT_SHIFT]    = Key::Mod_Shift;
+		map[GLFW_KEY_RIGHT_SHIFT]   = Key::Mod_Shift;
+		map[GLFW_KEY_ESCAPE]        = Key::Escape;
+		return map;
+	}();
+	auto const eventHandler = keyEventHandler(ctx);
+	auto const keyIdx = static_cast<std::size_t>(key);
+	if (keyIdx < keyMap.size()) {
+		auto const k = keyMap[keyIdx];
+		setKeyDownStatus(ctx, k, down);
+		if (eventHandler) {
+			eventHandler(ctx, k, down);
+		}
+	}
+}
+
+static void handleGlfwCursorPosEvent(GLFWwindow*, double, double) noexcept {
+}
+
+static void handleGlfwMouseButtonEvent(GLFWwindow *window, int, int, int) noexcept {
+	auto &ctx = *static_cast<Context*>(glfwGetWindowUserPointer(window));
+	ctx.mandatoryRefreshPeriodEnd = ticksMs(ctx) + config::MandatoryRefreshPeriod;
+}
+
+static void handleGlfwKeyEvent(GLFWwindow *window, int const key, int, int const action, int) noexcept {
+	auto &ctx = *static_cast<Context*>(glfwGetWindowUserPointer(window));
+	ctx.mandatoryRefreshPeriodEnd = ticksMs(ctx) + config::MandatoryRefreshPeriod;
+	if (action == GLFW_PRESS) {
+		handleKeyPress(ctx, key, true);
+	} else if (action == GLFW_RELEASE) {
+		handleKeyPress(ctx, key, false);
+	}
+}
+
+static void handleGlfwWindowCloseEvent(GLFWwindow *window) noexcept {
+	auto &ctx = *static_cast<Context*>(glfwGetWindowUserPointer(window));
+	ctx.mandatoryRefreshPeriodEnd = ticksMs(ctx) + config::MandatoryRefreshPeriod;
+	ctx.running = ctx.shutdownHandler ? !ctx.shutdownHandler(ctx) : false;
+	glfwSetWindowShouldClose(window, !ctx.running);
+	glfwPostEmptyEvent();
+}
+
 ox::Result<ox::UPtr<Context>> init(
 		ox::UPtr<ox::FileSystem> &&fs, ox::StringViewCR appName) noexcept {
 	auto ctx = ox::make_unique<Context>();
@@ -47,11 +316,44 @@ ox::Result<ox::UPtr<Context>> init(
 	using namespace std::chrono;
 	ctx->startTime = static_cast<TimeMs>(
 			duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count());
-	glfwInit();
-	OX_RETURN_ERROR(initGfx(*ctx));
-	glfwSetWindowSizeCallback(ctx->window, draw);
 	ctx->mandatoryRefreshPeriodEnd = ticksMs(*ctx) + config::MandatoryRefreshPeriod;
-	return ox::UPtr<Context>(ctx.release());
+	// init GLFW context
+	glfwInit();
+	glfwSetErrorCallback(handleGlfwError);
+	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
+	glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
+	constexpr auto Scale = 5;
+	ctx->window = glfwCreateWindow(240 * Scale, 160 * Scale, ctx->keelCtx.appName.c_str(), nullptr, nullptr);
+	//ctx.window = glfwCreateWindow(876, 743, ctx.keelCtx.appName.c_str(), nullptr, nullptr);
+	if (ctx->window == nullptr) {
+		return ox::Error(1, "Could not open GLFW window");
+	}
+	glfwSetCursorPosCallback(ctx->window, handleGlfwCursorPosEvent);
+	glfwSetMouseButtonCallback(ctx->window, handleGlfwMouseButtonEvent);
+	glfwSetKeyCallback(ctx->window, handleGlfwKeyEvent);
+	glfwSetWindowCloseCallback(ctx->window, handleGlfwWindowCloseEvent);
+	glfwSetWindowSizeCallback(ctx->window, handleGlfwResize);
+	glfwSetWindowUserPointer(ctx->window, ctx.get());
+	glfwMakeContextCurrent(ctx->window);
+	if (!gladLoadGLES2Loader(reinterpret_cast<GLADloadproc>(glfwGetProcAddress))) {
+		return ox::Error(2, "Could not init Glad");
+	}
+	// init ImGui
+#if TURBINE_USE_IMGUI
+	IMGUI_CHECKVERSION();
+	ImGui::CreateContext();
+	auto &io = ImGui::GetIO();
+	io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
+	//io.MouseDrawCursor = true;
+	ImGui_ImplGlfw_InitForOpenGL(ctx->window, true);
+	ImGui_ImplOpenGL3_Init();
+	io.IniFilename = nullptr;
+	themeImgui();
+#endif
+	return ctx;
 }

 static void tickFps(Context &ctx, uint64_t const nowMs) noexcept {
@@ -132,4 +434,16 @@ void setShutdownHandler(Context &ctx, ShutdownHandler const handler) noexcept {
 	ctx.shutdownHandler = handler;
 }

+void setUpdateHandler(Context &ctx, UpdateHandler h) noexcept {
+	ctx.updateHandler = h;
+}
+
+void setKeyEventHandler(Context &ctx, KeyEventHandler h) noexcept {
+	ctx.keyEventHandler = h;
+}
+
+KeyEventHandler keyEventHandler(Context &ctx) noexcept {
+	return ctx.keyEventHandler;
+}
+
 }
--- a/util/scripts/pkg-dmg.py
+++ b/util/scripts/pkg-dmg.py
@@ -5,6 +5,8 @@ import shutil
 import subprocess
 import sys

+target_name = sys.argv[1]
+
 def rm(path: str):
    file_exists = os.path.exists(path)
    is_link = os.path.islink(path)
@@ -26,12 +28,12 @@ def run(args: list[str]):



-dmg_dir = 'dist/darwin-arm64-release/NostalgiaStudio'
+dmg_dir = f'dist/darwin-arm64-release/{target_name}'
 dmg = f'{dmg_dir}.dmg'
 rm(dmg)
 rm(dmg_dir)
 mkdir_p(dmg_dir)
-shutil.copytree('dist/darwin-arm64-release/NostalgiaStudio.app', f'{dmg_dir}/NostalgiaStudio.app')
+shutil.copytree(f'dist/darwin-arm64-release/{target_name}.app', f'{dmg_dir}/{target_name}.app')
 os.symlink('/Applications', f'{dmg_dir}/Applications')
 run(['hdiutil', 'create', '-srcfolder', dmg_dir, dmg])
 rm(dmg_dir)
Author	SHA1	Message	Date
Gary Talent	a6814030ee	[studio/applib] Cleanup All checks were successful Build / build (push) Successful in 1m13s Details	2025-05-17 16:15:32 -05:00
Gary Talent	9937a01042	[turbine] Cleanup	2025-05-17 16:12:16 -05:00
Gary Talent	abcf2adc56	[nostalgia/gfx] Cleanup All checks were successful Build / build (push) Successful in 1m14s Details	2025-05-17 03:02:59 -05:00
Gary Talent	05f9023550	[nostalgia/gfx] Cleanup All checks were successful Build / build (push) Successful in 1m14s Details	2025-05-17 02:51:56 -05:00
Gary Talent	5ba0bcf963	[turbine] Consolidate some files that didn't have sensible distinctions Some checks failed Build / build (push) Has been cancelled Details	2025-05-17 02:51:23 -05:00
Gary Talent	3ccadba2f5	[nostalgia/gfx/studio/tilesheet] Fix dragging cursor on image All checks were successful Build / build (push) Successful in 1m20s Details	2025-05-16 21:22:33 -05:00
Gary Talent	00e52b6491	[nostalgia] Make pkg-dmg more versatile All checks were successful Build / build (push) Successful in 1m14s Details	2025-05-15 22:26:35 -05:00
Gary Talent	ae40487990	[nostalgia/gfx] Add navigateTo handler to TileSheetEditor All checks were successful Build / build (push) Successful in 1m20s Details	2025-05-15 20:39:50 -05:00
Gary Talent	84b612c693	[studio/modlib] Give navigateTo a default argument	2025-05-15 20:39:01 -05:00
Gary Talent	3c2a6b047e	[studio/applib] Make navigateTo handle UUID paths	2025-05-15 20:38:27 -05:00
Gary Talent	626da322d9	[ox/std] Add StringParam(IString const&) constructor	2025-05-15 20:37:44 -05:00
Gary Talent	0de428a2e5	[studio/applib] Cleanup All checks were successful Build / build (push) Successful in 1m19s Details	2025-05-14 22:11:43 -05:00
Gary Talent	8a52df4f76	[nostalgia/gfx] More cleanup All checks were successful Build / build (push) Successful in 1m16s Details	2025-05-14 01:43:59 -05:00
Gary Talent	efec6eb3c8	[nostalgia/gfx/studio/palette] Add RGB key shortcuts for focusing color channels All checks were successful Build / build (push) Successful in 1m15s Details	2025-05-14 01:13:40 -05:00
Gary Talent	56eeb24900	[nostalgia/gfx/opengl] More cleanup All checks were successful Build / build (push) Successful in 1m56s Details	2025-05-13 22:06:08 -05:00
Gary Talent	ae81f6b3de	[ox/std] Make Span::operator[] const All checks were successful Build / build (push) Successful in 1m17s Details	2025-05-13 22:02:23 -05:00
Gary Talent	c1108301c0	[nostalgia/gfx] Cleanup	2025-05-13 22:01:59 -05:00
Gary Talent	83fbe6ac74	[keel,turbine,studio] Fix some install mistakes All checks were successful Build / build (push) Successful in 2m17s Details	2025-05-13 21:39:37 -05:00
Gary Talent	80b452833f	[nostalgia/gfx] Cleanup All checks were successful Build / build (push) Successful in 2m28s Details	2025-05-13 21:24:04 -05:00
Gary Talent	0fa394333b	[nostalgia] Add release note about Mac menubar using Cmd All checks were successful Build / build (push) Successful in 1m15s Details	2025-05-10 01:01:11 -05:00
Gary Talent	cae7535034	[nostalgia] Fix typos in release notes All checks were successful Build / build (push) Successful in 1m15s Details	2025-05-10 00:57:45 -05:00