Add a Drag Slider to UI7

- Added DestroyTex to 3ds backend
- Added Size() -> ivec2 to PD::Image
- Added CmdPool Copy as well as DrawList Copy (Static rendering)
- Added == ooperator for Rect
- Added UI7 Frame Rounding
- Fix UI7 Image usage withour size or uv
- Added New way to use BeginMenu

backends/3ds/include/pd-3ds/bknd-gfx.hpp

@@ -42,13 +42,13 @@ class GfxC3D : public GfxDriver {
   void Deinit() override;
   void NewFrame() override;
   void BindTex(PD::Li::TexAddress addr) override;
-  void RenderDrawData(
-      const std::vector<PD::Li::Command::Ref>& Commands) override;
+  void RenderDrawData(const PD::Li::CmdPool& Commands) override;
   PD::Li::Texture::Ref LoadTex(
       const std::vector<PD::u8>& pixels, int w, int h,
       PD::Li::Texture::Type type = PD::Li::Texture::Type::RGBA32,
       PD::Li::Texture::Filter filter =
           PD::Li::Texture::Filter::LINEAR) override;
+  void DestroyTex(PD::Li::Texture::Ref tex) override;
 
   std::vector<Li::Vertex, LinearAllocator<Li::Vertex>> VertexBuffer;
   std::vector<u16, LinearAllocator<u16>> IndexBuffer;

backends/3ds/source/bknd-gfx.cpp

@@ -95,6 +95,11 @@ void FragCfg(GPU_TEXCOLOR clr) {
       C3D_TexEnvFunc(env, C3D_RGB, GPU_REPLACE);
       C3D_TexEnvFunc(env, C3D_Alpha, GPU_MODULATE);
       break;
+    case GPU_RGB565:
+      C3D_TexEnvSrc(env, C3D_Alpha, GPU_TEXTURE0);
+      C3D_TexEnvFunc(env, C3D_RGB, GPU_MODULATE);
+      C3D_TexEnvFunc(env, C3D_Alpha, GPU_REPLACE);
+      break;
 
     default:
       C3D_TexEnvSrc(env, C3D_Both, GPU_TEXTURE0);
@@ -142,7 +147,7 @@ void GfxC3D::BindTex(PD::Li::TexAddress addr) {
   C3D_TexBind(0, reinterpret_cast<C3D_Tex*>(addr));
 }
 
-void GfxC3D::RenderDrawData(const std::vector<PD::Li::Command::Ref>& Commands) {
+void GfxC3D::RenderDrawData(const PD::Li::CmdPool& Commands) {
   shaderProgramUse(&Shader);
   C3D_SetAttrInfo(&ShaderInfo);
   C3D_Mtx proj;
@@ -151,20 +156,20 @@ void GfxC3D::RenderDrawData(const std::vector<PD::Li::Command::Ref>& Commands) {
   // Mat4 proj = Mat4::Ortho(0.f, ViewPort.x, ViewPort.y, 0.f, 1.f, -1.f);
   // C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, pLocProjection, (C3D_Mtx*)&proj);
   size_t index = 0;
-  while (index < Commands.size()) {
-    PD::Li::Texture::Ref Tex = Commands[index]->Tex;
+  while (index < Commands.Size()) {
+    PD::Li::Texture::Ref Tex = Commands.GetCmd(index)->Tex;
     if (!Tex) {
       index++;
       continue;
     }
-    bool ScissorEnabled = Commands[index]->ScissorOn;
-    ivec4 ScissorRect = Commands[index]->ScissorRect;
+    bool ScissorEnabled = Commands.GetCmd(index)->ScissorOn;
+    ivec4 ScissorRect = Commands.GetCmd(index)->ScissorRect;
     size_t StartIndex = CurrentIndex;
 
-    while (index < Commands.size() && Commands[index]->Tex == Tex &&
-           Commands[index]->ScissorOn == ScissorEnabled &&
-           Commands[index]->ScissorRect == ScissorRect) {
-      auto c = Commands[index].get();
+    while (index < Commands.Size() && Commands.GetCmd(index)->Tex == Tex &&
+           Commands.GetCmd(index)->ScissorOn == ScissorEnabled &&
+           Commands.GetCmd(index)->ScissorRect == ScissorRect) {
+      auto c = Commands.GetCmd(index);
       for (size_t i = 0; i < c->IndexBuffer.size(); i++) {
         IndexBuffer[CurrentIndex++] = CurrentVertex + c->IndexBuffer.at(i);
       }
@@ -255,4 +260,11 @@ PD::Li::Texture::Ref GfxC3D::LoadTex(const std::vector<PD::u8>& pixels, int w,
             << std::endl;
   return res;
 }
+
+void GfxC3D::DestroyTex(PD::Li::Texture::Ref tex) {
+  C3D_Tex* t = reinterpret_cast<C3D_Tex*>(tex->Address);
+  C3D_TexDelete(t);
+  delete t;
+  tex->Address = 0;
+}
 }  // namespace PD

backends/desktop/include/pd-desktop/bknd-gfx.hpp

@@ -44,8 +44,7 @@ class GfxGL2 : public GfxDriver {
   void Deinit() override;
   void NewFrame() override;
   void BindTex(PD::Li::TexAddress addr) override;
-  void RenderDrawData(
-      const std::vector<PD::Li::Command::Ref>& Commands) override;
+  void RenderDrawData(const Li::CmdPool& Commands) override;
   PD::Li::Texture::Ref LoadTex(
       const std::vector<PD::u8>& pixels, int w, int h,
       PD::Li::Texture::Type type = PD::Li::Texture::Type::RGBA32,
@@ -57,6 +56,7 @@ class GfxGL2 : public GfxDriver {
   GLuint Shader;
   GLuint pLocProjection;
   GLuint pLocTex;
+  GLuint pLocAlfa;
   GLuint VBO, IBO;
 };
 }  // namespace PD

backends/desktop/include/pd-desktop/bknd-hid.hpp

@@ -64,6 +64,7 @@ class HidGLFW : public HidDriver {
   GLFWwindow* Window;
   int PrevState;
   std::unordered_map<int, int> PrevStates;
+  static GLFWcharfun pOldTextCB;
   static std::string* pText;
   bool pInTextMode = false;
   PD::u64 pLastUpdate = 0;

backends/desktop/source/bknd-gfx.cpp

@@ -53,10 +53,15 @@ const char* frag_shader = R"(
   varying vec4 oColor;
   
   uniform sampler2D tex;
+  uniform bool alfa;
       
   void main() {
-      vec4 tc = texture2D(tex, oUV);
-      gl_FragColor = tc*oColor;
+    vec4 tc = texture2D(tex, oUV);
+    if (alfa) {
+      gl_FragColor = vec4(oColor.rgb, tc.a * oColor.a);
+    } else {
+      gl_FragColor = tc * oColor;
+    }
   }
   )";
 
@@ -138,6 +143,7 @@ void GfxGL2::Init() {
   glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, IBO);
 
   pLocTex = glGetUniformLocation(Shader, "tex");
+  pLocAlfa = glGetUniformLocation(Shader, "alfa");
   pLocProjection = glGetUniformLocation(Shader, "projection");
 
   glBindBuffer(GL_ARRAY_BUFFER, 0);
@@ -172,24 +178,27 @@ void GfxGL2::BindTex(PD::Li::TexAddress addr) {
   glActiveTexture(GL_TEXTURE0);
   glBindTexture(GL_TEXTURE_2D, (GLuint)addr);
   glUniform1i(pLocTex, 0);
+  GLint fmt = 0;
+  glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT, &fmt);
+  glUniform1i(pLocAlfa, fmt == GL_ALPHA);
 }
 
-void GfxGL2::RenderDrawData(const std::vector<PD::Li::Command::Ref>& Commands) {
+void GfxGL2::RenderDrawData(const Li::CmdPool& Commands) {
   size_t index = 0;
-  while (index < Commands.size()) {
-    PD::Li::Texture::Ref Tex = Commands[index]->Tex;
+  while (index < Commands.Size()) {
+    PD::Li::Texture::Ref Tex = Commands.GetCmd(index)->Tex;
     if (!Tex) {
       index++;
       continue;
     }
     size_t StartIndex = CurrentIndex;
-    bool ScissorOn = Commands[index]->ScissorOn;
-    ivec4 ScissorRect = Commands[index]->ScissorRect;
+    bool ScissorOn = Commands.GetCmd(index)->ScissorOn;
+    ivec4 ScissorRect = Commands.GetCmd(index)->ScissorRect;
 
-    while (index < Commands.size() && Commands[index]->Tex == Tex &&
-           Commands[index]->ScissorOn == ScissorOn &&
-           Commands[index]->ScissorRect == ScissorRect) {
-      auto c = Commands[index].get();
+    while (index < Commands.Size() && Commands.GetCmd(index)->Tex == Tex &&
+           Commands.GetCmd(index)->ScissorOn == ScissorOn &&
+           Commands.GetCmd(index)->ScissorRect == ScissorRect) {
+      auto c = Commands.GetCmd(index);
       for (size_t i = 0; i < c->IndexBuffer.size(); i++) {
         IndexBuffer[CurrentIndex++] = CurrentVertex + c->IndexBuffer.at(i);
       }

backends/desktop/source/bknd-hid.cpp

@@ -24,11 +24,21 @@ SOFTWARE.
 
 #include <pd-desktop/bknd-hid.hpp>
 namespace PD {
-std::string* HidGLFW::pText;
+std::string* HidGLFW::pText = nullptr;
+GLFWcharfun HidGLFW::pOldTextCB = nullptr;
 // Default Call back (If no Text input is requsted)
-void NullTextCB(GLFWwindow* win, unsigned int c) {}
+void NullTextCB(GLFWwindow* win, unsigned int c) {
+  // Chain
+  if (HidGLFW::pOldTextCB) {
+    HidGLFW::pOldTextCB(win, c);
+  }
+}
 // Text callback if requested
 void TextCB(GLFWwindow* win, unsigned int c) {
+  // Chain
+  if (HidGLFW::pOldTextCB) {
+    HidGLFW::pOldTextCB(win, c);
+  }
   if (!HidGLFW::pText) {
     return;
   }
@@ -36,7 +46,7 @@ void TextCB(GLFWwindow* win, unsigned int c) {
 }
 HidGLFW::HidGLFW(GLFWwindow* win) : HidDriver("HidGLFW") {
   Window = win;
-  glfwSetCharCallback(Window, NullTextCB);
+  HidGLFW::pOldTextCB = glfwSetCharCallback(Window, NullTextCB);
   Flags |= Flags_HasKeyboard;
   Flags |= Flags_HasMouse;
   pBinds[GLFW_MOUSE_BUTTON_LEFT] = Touch;

include/pd/core/common.hpp

@@ -53,6 +53,16 @@ SOFTWARE.
     return std::make_shared<x>(std::forward<Args>(args)...); \
   }
 
+#define PD_RAW(x)                           \
+  using Ref = x*;                           \
+  template <typename... Args>               \
+  static Ref New(Args&&... args) {          \
+    x* v = new x;                           \
+    new (v) x(std::forward<Args>(args)...); \
+    return v;                               \
+  }                                         \
+  static void Delete(Ref ref) { delete ref; }
+
 #define PD_UNIQUE(x)                                         \
   using Ref = std::unique_ptr<x>;                            \
   template <typename... Args>                                \

include/pd/drivers/gfx.hpp

@@ -49,7 +49,7 @@ class GfxDriver {
 
   virtual void BindTex(Li::TexAddress addr) {}
 
-  virtual void RenderDrawData(const std::vector<Li::Command::Ref>& Commands) {}
+  virtual void RenderDrawData(const Li::CmdPool& Commands) {}
 
   void SetViewPort(const ivec2& vp) { ViewPort = vp; }
 
@@ -61,6 +61,8 @@ class GfxDriver {
     return nullptr;
   }
 
+  virtual void DestroyTex(PD::Li::Texture::Ref tex) {}
+
   Li::Texture::Ref GetSolidTex() { return pSolid; }
 
   const std::string pName = "NullGfx";
@@ -96,7 +98,7 @@ class Gfx {
   static void SetViewPort(const ivec2& vp) { pGfx->SetViewPort(vp); }
   static void SetViewPort(int w, int h) { pGfx->SetViewPort(PD::ivec2(w, h)); }
 
-  static void RenderDrawData(const std::vector<Li::Command::Ref>& Commands) {
+  static void RenderDrawData(const Li::CmdPool& Commands) {
     pGfx->RenderDrawData(Commands);
   }
 
@@ -108,6 +110,8 @@ class Gfx {
     return pGfx->LoadTex(pixels, w, h, type, filter);
   }
 
+  static void DestroyTex(Li::Texture::Ref tex) { pGfx->DestroyTex(tex); }
+
   static Li::Texture::Ref GetSolidTex() { return pGfx->GetSolidTex(); }
 
   static GfxDriver::Ref pGfx;

include/pd/image/image.hpp

@@ -57,6 +57,7 @@ class PD_IMAGE_API Image {
 
   int Width() const { return pWidth; }
   int Height() const { return pHeight; }
+  ivec2 Size() const { return ivec2(pWidth, pHeight); }
   Format Fmt() const { return pFmt; }
 
   void FlipVertical();

include/pd/lithium/command.hpp

@@ -24,6 +24,7 @@ SOFTWARE.
  */
 
 #include <pd/core/core.hpp>
+#include <pd/lithium/pd_p_api.hpp>
 #include <pd/lithium/texture.hpp>
 #include <pd/lithium/vertex.hpp>
 
@@ -34,7 +35,7 @@ class Command {
   Command() = default;
   ~Command() = default;
 
-  PD_UNIQUE(Command);
+  PD_RAW(Command);
 
   Command& AddIdx(const u16& idx) {
     IndexBuffer.push_back(VertexBuffer.size() + idx);
@@ -52,6 +53,16 @@ class Command {
     return *this;
   }
 
+  void Clear() {
+    VertexBuffer.clear();
+    IndexBuffer.clear();
+    Index = 0;
+    Layer = 0;
+    Tex = 0;
+    ScissorOn = false;
+    ScissorRect = ivec4();
+  }
+
   std::vector<Vertex> VertexBuffer;
   std::vector<u16> IndexBuffer;
   ivec4 ScissorRect;
@@ -60,5 +71,33 @@ class Command {
   int Index;
   Texture::Ref Tex;
 };
+
+class PD_LITHIUM_API CmdPool {
+ public:
+  CmdPool() {}
+  ~CmdPool() {}
+
+  Command::Ref NewCmd();
+  void Init(size_t initial_size);
+  void Deinit();
+  void Resize(size_t nulen);
+  void Reset();
+  Command::Ref GetCmd(size_t idx) const;
+  Command::Ref GetCmd(size_t idx);
+  size_t Size() const;
+  size_t Cap() const;
+  void Merge(CmdPool& p);
+  void Copy(CmdPool& p);
+  void Sort();
+
+ private:
+  static bool pTheOrder(const Command::Ref& a, const Command::Ref& b);
+  friend class DrawList;
+  Command::Ref* begin() { return &pPool[0]; }
+  Command::Ref* end() { return &pPool[pPoolIdx]; }
+  std::vector<Command::Ref> pPool;
+  u32 pPoolIdx = 0;
+  int Layer = 0;
+};
 }  // namespace Li
 }  // namespace PD

include/pd/lithium/drawlist.hpp

@@ -48,8 +48,8 @@ namespace PD {
 namespace Li {
 class PD_LITHIUM_API DrawList {
  public:
-  DrawList() { DrawSolid(); }
-  ~DrawList() { pDrawList.clear(); }
+  DrawList(int initial_size = 64);
+  ~DrawList();
 
   /** Require Copy and Move Constructors */
 
@@ -81,13 +81,12 @@ class PD_LITHIUM_API DrawList {
    */
   void Optimize();
 
-  Command::Ref PreGenerateCmd();
-  void AddCommand(Command::Ref v);
+  Command::Ref GetNewCmd();
   void Clear();
-  void Layer(int l) { this->pLayer = l; }
-  int Layer() { return this->pLayer; }
-  void LayerUp() { this->pLayer++; }
-  void LayerDown() { this->pLayer--; }
+  void Layer(int l) { this->pPool.Layer = l; }
+  int Layer() { return this->pPool.Layer; }
+  void LayerUp() { this->pPool.Layer++; }
+  void LayerDown() { this->pPool.Layer--; }
 
   void SetFont(Font::Ref font) { pCurrentFont = font; }
   void SetFontScale(float scale) { pFontScale = scale; }
@@ -206,18 +205,17 @@ class PD_LITHIUM_API DrawList {
     }
     pClipRects.pop();
   }
-  const std::vector<Command::Ref>& Data() const { return pDrawList; }
+  const CmdPool& Data() const { return pPool; }
   /** One linear Clip rect Setup */
   void pClipCmd(Command* cmd);
 
   /** Data Section */
 
   std::stack<fvec4> pClipRects;
-  int pLayer;
   float pFontScale = 0.7f;
   Font::Ref pCurrentFont;
   Texture::Ref CurrentTex;
-  std::vector<Command::Ref> pDrawList;
+  CmdPool pPool;
   std::vector<fvec2> pPath;
   u32 pNumIndices = 0;
   u32 pNumVertices = 0;

include/pd/lithium/font.hpp

@@ -93,8 +93,8 @@ class PD_LITHIUM_API Font {
   /**
    * Extended Draw Text Function that vreates a Command List
    */
-  void CmdTextEx(std::vector<Command::Ref>& cmds, const fvec2& pos, u32 color,
-                 float scale, const std::string& text, LiTextFlags flags = 0,
+  void CmdTextEx(CmdPool& cmds, const fvec2& pos, u32 color, float scale,
+                 const std::string& text, LiTextFlags flags = 0,
                  const fvec2& box = 0);
 
   /**

include/pd/lithium/rect.hpp

@@ -131,6 +131,8 @@ class Rect {
     return *this;
   }
 
+  bool operator==(Rect& r) { return Top == r.Top && Bot == r.Bot; }
+
   void SwapVec2XY() {
     Top.SwapXY();
     Top.SwapZW();

include/pd/ui7/container/image.hpp

@@ -39,13 +39,14 @@ class PD_UI7_API Image : public Container {
    */
   Image(Li::Texture::Ref img, fvec2 size = 0.f, Li::Rect uv = fvec4(0.f)) {
     this->img = img;
-    this->newsize = size;
-    this->cuv = uv;
-    if (size.x != 0 || size.y != 0) {
-      this->SetSize(size);
-    } else {
-      this->SetSize(fvec2(img->GetSize().x, img->GetSize().y));
+    if (size == fvec2(0.f)) {
+      size = img->GetSize();
     }
+    if (uv == Li::Rect(fvec4(0.f))) {
+      uv = img->GetUV();
+    }
+    this->cuv = uv;
+    this->newsize = size;
   }
   ~Image() = default;
 

include/pd/ui7/container/slider.hpp

@@ -0,0 +1,91 @@
+#pragma once
+
+/*
+MIT License
+Copyright (c) 2024 - 2025 René Amthor (tobid7)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+#include <pd/ui7/container/container.hpp>
+#include <pd/ui7/io.hpp>
+
+namespace PD {
+namespace UI7 {
+/**
+ * Slider Object can take a datatype or a list
+ * and modifys these by moving left or right when dragging
+ */
+template <typename T>
+class PD_UI7_API Slider : public Container {
+ public:
+  /**
+   * Constructor
+   * @param label Label of the Button
+   * @param data Data reference (Supported types can be seen in Slider.cpp)
+   * @param num_elms Number of Array elements (for exaple with use ofvec4)
+   * @param io IO Reference
+   * @param min minimum number using Minimum limit
+   * @param max Maximum number set by max limit by default
+   * @param step To set the modifier for drag movement
+   * @param precision for float and double to set precision
+   */
+  Slider(const std::string& label, T* data, UI7::IO::Ref io,
+         T min = std::numeric_limits<T>::min(),
+         T max = std::numeric_limits<T>::max(), int precision = 1) {
+    // PD::Assert(data != nullptr, "Input Data Address is null!");
+    this->label = label;
+    this->data = data;
+    this->min = min;
+    this->max = max;
+    this->precision = precision;
+    this->width = io->CurrentViewPort.z * 0.3f;
+    this->tdim = io->Font->GetTextBounds(label, io->FontScale);
+  }
+  ~Slider() = default;
+
+  /** Als ob das funktioniert... */
+  PD_SHARED(Slider<T>);
+  /**
+   * Override for the Input Handler
+   * @note This function is usally called by Menu::Update
+   */
+  void HandleInput() override;
+  /**
+   * Override for the Rendering Handler
+   * @note This function is usally called by Menu::Update
+   * */
+  void Draw() override;
+
+  /** Function to Update Size if framepadding changes */
+  void Update() override;
+
+ private:
+  fvec2 tdim;         ///< Text size
+  float width;        ///< Size
+  std::string label;  ///< Label of the Button
+  T* data;
+  T min;
+  T max;
+  int precision = 1;
+  float slw = 0.f;  // silider drag width (calculated in update)
+  float slp = 0.f;  // silider drag pos (calculated in update)
+};
+}  // namespace UI7
+}  // namespace PD

include/pd/ui7/containers.hpp

@@ -30,3 +30,4 @@ SOFTWARE.
 #include <pd/ui7/container/dynobj.hpp>
 #include <pd/ui7/container/image.hpp>
 #include <pd/ui7/container/label.hpp>
+#include <pd/ui7/container/slider.hpp>

include/pd/ui7/id.hpp

@@ -38,6 +38,7 @@ class ID {
    */
   ID(const std::string& text) {
     pID = PD::Strings::FastHash(text);
+    // pStrName = text;
     pName = text;
   }
   /**
@@ -56,7 +57,7 @@ class ID {
   ~ID() = default;
 
   /** Get The ID Initial Name */
-  constexpr const std::string_view& GetNameView() const { return pName; }
+  // constexpr const std::string_view& GetNameView() const { return pName; }
   const std::string GetName() const { return std::string(pName); }
 
   /** Getter for the raw 32bit int id */
@@ -65,8 +66,9 @@ class ID {
   /** Return the ID when casting to u32 */
   constexpr operator u32() const { return pID; }
 
-  u32 pID;                 ///< Hash of the name
-  std::string_view pName;  ///< Name
+  u32 pID;            ///< Hash of the name
+  std::string pName;  ///< Name
+  // std::string pStrName;    ///< Keep this stringview alive
 };
 }  // namespace UI7
 }  // namespace PD

include/pd/ui7/io.hpp

@@ -73,6 +73,7 @@ class PD_UI7_API IO {
   UI7::Theme::Ref Theme;
   fvec2 MenuPadding = 5.f;
   fvec2 FramePadding = 5.f;
+  float FrameRounding = 0.f;
   fvec2 ItemSpace = vec2(5.f, 2.f);
   fvec2 MinSliderDragSize = 10.f;  // Min height (Vt) and Min Width (Hz)
   bool ShowMenuBorder = true;

include/pd/ui7/menu.hpp

@@ -25,6 +25,7 @@ SOFTWARE.
  */
 
 #include <pd/core/core.hpp>
+#include <pd/ui7/containers.hpp>
 #include <pd/ui7/io.hpp>
 #include <pd/ui7/layout.hpp>
 #include <pd/ui7/pd_p_api.hpp>
@@ -92,6 +93,18 @@ class PD_UI7_API Menu {
     }
     pLayout->AddObject(r);
   }
+  template <typename T>
+  void Slider(const std::string &label, T *data,
+              T min = std::numeric_limits<T>::min(),
+              T max = std::numeric_limits<T>::max(), int precision = 1) {
+    u32 id = Strings::FastHash("drd" + label + std::to_string((uintptr_t)data));
+    Container::Ref r = pLayout->FindObject(id);
+    if (!r) {
+      r = UI7::Slider<T>::New(label, data, pIO, min, max, precision);
+      r->SetID(id);
+    }
+    pLayout->AddObject(r);
+  }
   void SameLine() { pLayout->SameLine(); }
   void Separator();
   void SeparatorText(const std::string &label);
@@ -107,6 +120,7 @@ class PD_UI7_API Menu {
   void AddObjectEx(PD::UI7::Container::Ref obj, PD::u32 flags) {
     pLayout->AddObjectEx(obj, flags);
   }
+  Container::Ref FindObject(u32 id) { return pLayout->FindObject(id); }
 
   void Update();
 

include/pd/ui7/ui7.hpp

@@ -59,7 +59,8 @@ class PD_UI7_API Context {
   void AddViewPort(const ID& id, const ivec4& vp);
   void UseViewPort(const ID& id);
   void Update();
-  bool BeginMenu(const ID& id, UI7MenuFlags flags = 0, bool* pShow = nullptr);
+  Menu::Ref BeginMenu(const ID& id, UI7MenuFlags flags = 0,
+                      bool* pShow = nullptr);
   Menu::Ref CurrentMenu() { return pCurrent; }
   void EndMenu();
   void AboutMenu(bool* show = nullptr);

pd/lithium/CMakeLists.txt

@@ -5,6 +5,7 @@ project(pd-lithium LANGUAGES CXX VERSION 0.6.0)
 option(PD_LI_INCLUDE_FONTS "Include Fonts" OFF)
 
 set(SRC
+    source/command.cpp
     source/drawlist.cpp
     source/font.cpp
     source/fonts.cpp

pd/lithium/source/command.cpp

@@ -0,0 +1,80 @@
+#include <pd/lithium/command.hpp>
+
+PD_LITHIUM_API PD::Li::Command::Ref PD::Li::CmdPool::NewCmd() {
+  if (pPoolIdx >= pPool.size()) {
+    Resize(pPool.size() + 128);
+  }
+  Command::Ref nu = pPool[pPoolIdx++];
+  nu->Layer = Layer;
+  nu->Index = pPoolIdx - 1;
+  return nu;
+}
+
+PD_LITHIUM_API void PD::Li::CmdPool::Init(size_t initial_size) {
+  Resize(initial_size);
+}
+
+PD_LITHIUM_API void PD::Li::CmdPool::Deinit() {
+  for (auto it : pPool) {
+    Command::Delete(it);
+  }
+  pPool.clear();
+}
+
+PD_LITHIUM_API void PD::Li::CmdPool::Resize(size_t nulen) {
+  if (nulen <= pPool.size()) {
+    return;  // no idea yet
+  }
+  size_t oldlen = pPool.size();
+  pPool.resize(nulen);
+  for (size_t i = oldlen; i < pPool.size(); i++) {
+    pPool[i] = Command::New();
+  }
+}
+
+PD_LITHIUM_API void PD::Li::CmdPool::Reset() {
+  for (u32 i = 0; i < pPoolIdx; i++) {
+    pPool[i]->Clear();
+  }
+  pPoolIdx = 0;
+}
+
+PD::Li::Command::Ref PD::Li::CmdPool::GetCmd(size_t idx) const {
+  return pPool[idx];
+}
+PD::Li::Command::Ref PD::Li::CmdPool::GetCmd(size_t idx) { return pPool[idx]; }
+
+size_t PD::Li::CmdPool::Size() const { return pPoolIdx; }
+size_t PD::Li::CmdPool::Cap() const { return pPool.size(); }
+
+PD_LITHIUM_API void PD::Li::CmdPool::Merge(CmdPool& p) {
+  Copy(p);
+  p.Reset();
+}
+
+PD_LITHIUM_API void PD::Li::CmdPool::Copy(CmdPool& p) {
+  if (pPoolIdx + p.Size() > pPool.size()) {
+    Resize(pPoolIdx + p.Size());
+  }
+  for (size_t i = 0; i < p.Size(); i++) {
+    size_t idx = pPoolIdx++;
+    *pPool[idx] = *p.GetCmd(i);
+    pPool[idx]->Index = idx;
+    pPool[idx]->Layer += Layer;
+  }
+}
+
+PD_LITHIUM_API void PD::Li::CmdPool::Sort() {
+  std::sort(begin(), end(), pTheOrder);
+}
+
+PD_LITHIUM_API bool PD::Li::CmdPool::pTheOrder(const Command::Ref& a,
+                                               const Command::Ref& b) {
+  if (a->Layer == b->Layer) {
+    if (a->Tex == b->Tex) {
+      return a->Index < b->Index;
+    }
+    return a->Tex < b->Tex;
+  }
+  return a->Layer < b->Layer;
+}

pd/lithium/source/drawlist.cpp

@@ -31,12 +31,22 @@ SOFTWARE.
 
 namespace PD {
 namespace Li {
+PD_LITHIUM_API DrawList::DrawList(int initial_size) {
+  DrawSolid();
+  pPool.Init(initial_size);
+}
+
+PD_LITHIUM_API DrawList::~DrawList() {
+  Clear();
+  pPool.Deinit();
+}
+
 PD_LITHIUM_API void DrawList::DrawSolid() { CurrentTex = Gfx::GetSolidTex(); }
 
 PD_LITHIUM_API void DrawList::Clear() {
   pNumIndices = 0;
   pNumVertices = 0;
-  pDrawList.clear();
+  pPool.Reset();
   pPath.clear();
   if (pCurrentFont) {
     pCurrentFont->CleanupTMS();
@@ -46,27 +56,27 @@ PD_LITHIUM_API void DrawList::Clear() {
   }
 }
 
-PD_LITHIUM_API void DrawList::AddCommand(Command::Ref v) {
-  pNumIndices += v->IndexBuffer.size();
-  pNumVertices += v->VertexBuffer.size();
-  pDrawList.push_back(std::move(v));
-}
-
 PD_LITHIUM_API void DrawList::Merge(DrawList::Ref list) {
-  for (size_t i = 0; i < list->pDrawList.size(); i++) {
+  pPool.Merge(list->pPool);
+  /*for (size_t i = 0; i < list->pDrawList.size(); i++) {
     pNumIndices += list->pDrawList[i]->IndexBuffer.size();
     pNumVertices += list->pDrawList[i]->VertexBuffer.size();
-    pDrawList.push_back(std::move(list->pDrawList[i]));
-  }
+    auto cmd = pPool.NewCmd();
+    pDrawList.push_back(list->pDrawList[i]);
+  }*/
   /** Make sure The list gets cleared */
   list->Clear();
 }
 
+PD_LITHIUM_API void DrawList::Copy(DrawList::Ref list) {
+  pPool.Copy(list->pPool);
+}
+
 PD_LITHIUM_API void DrawList::Optimize() {
 #ifndef NDEBUG
   PD::TT::Scope s("Optimize");
 #endif
-  std::sort(pDrawList.begin(), pDrawList.end(),
+  /*std::sort(pDrawList.begin(), pDrawList.end(),
             [](const PD::Li::Command::Ref &a, const PD::Li::Command::Ref &b) {
               if (a->Layer == b->Layer) {  // Same layer
                 if (a->Tex == b->Tex) {    // same tex
@@ -75,19 +85,18 @@ PD_LITHIUM_API void DrawList::Optimize() {
                 return a->Tex < b->Tex;  // order by address
               }
               return a->Layer < b->Layer;  // Order by layer
-            });
+            });*/
 }
 
-PD_LITHIUM_API Command::Ref DrawList::PreGenerateCmd() {
-  Command::Ref cmd = Command::New();
-  cmd->Layer = pLayer;
-  cmd->Index = pDrawList.size();
+PD_LITHIUM_API Command::Ref DrawList::GetNewCmd() {
+  Command::Ref cmd = pPool.NewCmd();
+  cmd->Index = pPool.Size() - 1;
   cmd->Tex = CurrentTex;
-  pClipCmd(cmd.get());
+  pClipCmd(cmd);
   return cmd;
 }
 
-PD_LITHIUM_API void DrawList::pClipCmd(Command *cmd) {
+PD_LITHIUM_API void DrawList::pClipCmd(Command::Ref cmd) {
   if (!pClipRects.empty()) {
     cmd->ScissorOn = true;
     cmd->ScissorRect = ivec4(pClipRects.top());
@@ -260,7 +269,7 @@ PD_LITHIUM_API void DrawList::DrawPolyLine(const std::vector<fvec2> &points,
     return;
   }
   DrawSolid();
-  auto cmd = PreGenerateCmd();
+  auto cmd = GetNewCmd();
   bool close = (flags & (1 << 0));
   int num_points = close ? (int)points.size() : (int)points.size() - 1;
   if (flags & (1 << 1)) {
@@ -270,10 +279,9 @@ PD_LITHIUM_API void DrawList::DrawPolyLine(const std::vector<fvec2> &points,
     for (int i = 0; i < num_points; i++) {
       int j = (i + 1) == (int)points.size() ? 0 : (i + 1);
       auto line = Renderer::PrimLine(points[i], points[j], thickness);
-      Renderer::CmdQuad(cmd.get(), line, vec4(0.f, 1.f, 1.f, 0.f), clr);
+      Renderer::CmdQuad(cmd, line, vec4(0.f, 1.f, 1.f, 0.f), clr);
     }
   }
-  AddCommand(std::move(cmd));
 }
 
 PD_LITHIUM_API void DrawList::DrawConvexPolyFilled(
@@ -281,9 +289,8 @@ PD_LITHIUM_API void DrawList::DrawConvexPolyFilled(
   if (points.size() < 3) {
     return;  // Need at least three points
   }
-  auto cmd = PreGenerateCmd();
-  Renderer::CmdConvexPolyFilled(cmd.get(), points, clr, CurrentTex);
-  AddCommand(std::move(cmd));
+  auto cmd = GetNewCmd();
+  Renderer::CmdConvexPolyFilled(cmd, points, clr, CurrentTex);
 }
 
 PD_LITHIUM_API void DrawList::DrawText(const fvec2 &pos,
@@ -291,13 +298,7 @@ PD_LITHIUM_API void DrawList::DrawText(const fvec2 &pos,
   if (!pCurrentFont) {
     return;
   }
-  std::vector<Command::Ref> cmds;
-  pCurrentFont->CmdTextEx(cmds, pos, color, pFontScale, text);
-  for (size_t i = 0; i < cmds.size(); i++) {
-    cmds[i]->Index = pDrawList.size() + i;
-    cmds[i]->Layer = pLayer;
-    AddCommand(std::move(cmds[i]));
-  }
+  pCurrentFont->CmdTextEx(pPool, pos, color, pFontScale, text);
 }
 
 PD_LITHIUM_API void DrawList::DrawTextEx(const fvec2 &p,
@@ -306,13 +307,7 @@ PD_LITHIUM_API void DrawList::DrawTextEx(const fvec2 &p,
   if (!pCurrentFont) {
     return;
   }
-  std::vector<Command::Ref> cmds;
-  pCurrentFont->CmdTextEx(cmds, p, color, pFontScale, text, flags, box);
-  for (size_t i = 0; i < cmds.size(); i++) {
-    cmds[i]->Index = pDrawList.size() + i;
-    cmds[i]->Layer = pLayer;
-    AddCommand(std::move(cmds[i]));
-  }
+  pCurrentFont->CmdTextEx(pPool, p, color, pFontScale, text, flags, box);
 }
 
 PD_LITHIUM_API void DrawList::DrawLine(const fvec2 &a, const fvec2 &b,

pd/lithium/source/font.cpp

@@ -248,10 +248,9 @@ PD_LITHIUM_API fvec2 Font::GetTextBounds(const std::string &text, float scale) {
   return res;
 }
 
-PD_LITHIUM_API void Font::CmdTextEx(std::vector<Command::Ref> &cmds,
-                                    const fvec2 &pos, u32 color, float scale,
-                                    const std::string &text, LiTextFlags flags,
-                                    const fvec2 &box) {
+PD_LITHIUM_API void Font::CmdTextEx(CmdPool &cmds, const fvec2 &pos, u32 color,
+                                    float scale, const std::string &text,
+                                    LiTextFlags flags, const fvec2 &box) {
   fvec2 off;
   float cfs = (DefaultPixelHeight * scale) / (float)PixelHeight;
   float lh = (float)PixelHeight * cfs;
@@ -294,7 +293,7 @@ PD_LITHIUM_API void Font::CmdTextEx(std::vector<Command::Ref> &cmds,
       it = pShortText(it, scale, box - pos, tmp_dim);
     }
     auto wline = Strings::MakeWstring(it);
-    auto cmd = Command::New();
+    auto cmd = cmds.NewCmd();
     auto Tex = GetCodepoint(wline[0]).Tex;
     cmd->Tex = Tex;
     for (auto &jt : wline) {
@@ -304,8 +303,7 @@ PD_LITHIUM_API void Font::CmdTextEx(std::vector<Command::Ref> &cmds,
         continue;
       }
       if (Tex != cp.Tex) {
-        cmds.push_back(std::move(cmd));
-        cmd = Command::New();
+        cmd = cmds.NewCmd();
         Tex = cp.Tex;
         cmd->Tex = Tex;
       }
@@ -318,19 +316,18 @@ PD_LITHIUM_API void Font::CmdTextEx(std::vector<Command::Ref> &cmds,
             Rect rec = Renderer::PrimRect(
                 rpos + vec2(off.x + 1, off.y + (cp.Offset * cfs)) + 1,
                 cp.Size * cfs, 0.f);
-            Renderer::CmdQuad(cmd.get(), rec, cp.SimpleUV, 0xff111111);
+            Renderer::CmdQuad(cmd, rec, cp.SimpleUV, 0xff111111);
           }
           // Draw
           Rect rec = Renderer::PrimRect(
               rpos + off + fvec2(0, (cp.Offset * cfs)), cp.Size * cfs, 0.f);
-          Renderer::CmdQuad(cmd.get(), rec, cp.SimpleUV, color);
+          Renderer::CmdQuad(cmd, rec, cp.SimpleUV, color);
           off.x += cp.Size.x * cfs + 2 * cfs;
         } else {
           off.x += 4 * cfs;
         }
       }
     }
-    cmds.push_back(std::move(cmd));
     off.y += lh;
     off.x = 0;
   }

pd/lithium/source/renderer.cpp

@@ -88,7 +88,7 @@ PD_LITHIUM_API Rect Renderer::PrimLine(const fvec2& a, const fvec2& b,
   return Rect(a + off, b + off, a - off, b - off);
 }
 
-PD_LITHIUM_API void Renderer::CmdQuad(Command* cmd, const Rect& quad,
+PD_LITHIUM_API void Renderer::CmdQuad(Command::Ref cmd, const Rect& quad,
                                       const Rect& uv, u32 color) {
   cmd->AddIdx(0).AddIdx(1).AddIdx(2);
   cmd->AddIdx(0).AddIdx(2).AddIdx(3);
@@ -98,7 +98,7 @@ PD_LITHIUM_API void Renderer::CmdQuad(Command* cmd, const Rect& quad,
   cmd->AddVtx(Vertex(quad.BotLeft(), uv.BotLeft(), color));
 }
 
-PD_LITHIUM_API void Renderer::CmdTriangle(Command* cmd, const fvec2 a,
+PD_LITHIUM_API void Renderer::CmdTriangle(Command::Ref cmd, const fvec2 a,
                                           const fvec2 b, const fvec2 c,
                                           u32 clr) {
   cmd->AddIdx(2).AddIdx(1).AddIdx(0);
@@ -111,7 +111,8 @@ PD_LITHIUM_API void Renderer::CmdTriangle(Command* cmd, const fvec2 a,
 // would probably be faster to render out of screen than checking if
 // it could be skipped)
 PD_LITHIUM_API void Renderer::CmdConvexPolyFilled(
-    Command* cmd, const std::vector<fvec2>& points, u32 clr, Texture::Ref tex) {
+    Command::Ref cmd, const std::vector<fvec2>& points, u32 clr,
+    Texture::Ref tex) {
   if (points.size() < 3 || tex == nullptr) {
     return;  // Need at least three points
   }

pd/ui7/CMakeLists.txt

@@ -17,6 +17,7 @@ set(SRC
     source/container/dynobj.cpp
     source/container/image.cpp
     source/container/label.cpp
+    source/container/slider.cpp
 )
 
 if(PD_BUILD_SHARED)
@@ -25,4 +26,4 @@ else()
     pd_add_lib(pd-ui7 SRC_FILES ${SRC})
 endif()
 
-target_link_libraries(pd-ui7 PUBLIC pd-lithium pd-core)
+target_link_libraries(pd-ui7 PUBLIC pd-lithium pd-core)

pd/ui7/source/container/button.cpp

@@ -49,11 +49,12 @@ PD_UI7_API void Button::HandleInput() {
 PD_UI7_API void Button::Draw() {
   // Assert(io.get() && list.get(), "Did you run Container::Init correctly?");
   // io->Ren->OnScreen(screen);
-  list->DrawRectFilled(FinalPos(), size, io->Theme->Get(color));
-  list->pLayer++;
+  list->PathRect(FinalPos(), FinalPos() + size, io->FrameRounding);
+  list->PathFill(io->Theme->Get(color));
+  list->LayerUp();
   list->DrawText(FinalPos() + size * 0.5 - tdim * 0.5, label,
                  io->Theme->Get(UI7Color_Text));
-  list->pLayer--;
+  list->LayerDown();
 }
 
 PD_UI7_API void Button::Update() {

pd/ui7/source/container/checkbox.cpp

@@ -48,10 +48,11 @@ PD_UI7_API void Checkbox::HandleInput() {
 PD_UI7_API void Checkbox::Draw() {
   // Assert(list.get() && io.get(), "Did you run Container::Init correctly?");
   // io->Ren->OnScreen(screen);
-  list->DrawRectFilled(FinalPos(), cbs, io->Theme->Get(color));
+  list->PathRect(FinalPos(), FinalPos() + cbs, io->FrameRounding);
+  list->PathFill(io->Theme->Get(color));
   if (usr_ref) {
-    list->DrawRectFilled(FinalPos() + 2, cbs - 4,
-                         io->Theme->Get(UI7Color_Checkmark));
+    list->PathRect(FinalPos() + 2, FinalPos() + cbs - 2, io->FrameRounding);
+    list->PathFill(io->Theme->Get(UI7Color_Checkmark));
   }
   list->DrawText(
       FinalPos() + fvec2(cbs.x + io->ItemSpace.x, cbs.y * 0.5 - tdim.y * 0.5),

pd/ui7/source/container/coloredit.cpp

@@ -44,8 +44,9 @@ PD_UI7_API void ColorEdit::HandleInput() {
 PD_UI7_API void ColorEdit::Draw() {
   // Assert(io.get() && list.get(), "Did you run Container::Init correctly?");
   // io->Ren->OnScreen(screen);
-  list->DrawRectFilled(FinalPos(), fvec2(20, 20), *color_ref);
-  list->DrawText(FinalPos() + fvec2(io->ItemSpace.x + 20, 0), label,
+  list->PathRect(FinalPos(), FinalPos() + 18, io->FrameRounding);
+  list->PathFill(*color_ref);
+  list->DrawText(FinalPos() + fvec2(io->ItemSpace.x + 18, 0), label,
                  io->Theme->Get(UI7Color_Text));
   if (is_shown) {
     if (!layout) {
@@ -53,13 +54,14 @@ PD_UI7_API void ColorEdit::Draw() {
     }
     layout->AddObject(Label::New("Hello World!", io));
     layout->Update();
-    io->RegisterDrawList(GetID(), layout->GetDrawList());
+    list->Merge(layout->GetDrawList());
+    // io->RegisterDrawList(GetID(), layout->GetDrawList());
   }
 }
 
 PD_UI7_API void ColorEdit::Update() {
   // Assert(io.get(), "Did you run Container::Init correctly?");
-  this->SetSize(fvec2(tdim.x + io->ItemSpace.x + 20, 20));
+  this->SetSize(fvec2(tdim.x + io->ItemSpace.x + 18, 18));
 }
 }  // namespace UI7
 }  // namespace PD

pd/ui7/source/container/dragdata.cpp

@@ -81,13 +81,14 @@ PD_UI7_API void DragData<T>::Draw() {
       p = std::format("{}", data[i]);
     }
     vec2 td = io->Font->GetTextBounds(p, io->FontScale);
-    list->DrawRectFilled(FinalPos() + fvec2(off_x, 0), td + io->FramePadding,
-                         io->Theme->Get(UI7Color_Button));
-    list->pLayer++;
+    list->PathRect(FinalPos() + fvec2(off_x, 0),
+                   FinalPos() + td + io->FramePadding, io->FrameRounding);
+    list->PathFill(io->Theme->Get(UI7Color_Button));
+    list->LayerUp();
     list->DrawTextEx(FinalPos() + fvec2(off_x, 0), p,
                      io->Theme->Get(UI7Color_Text), LiTextFlags_AlignMid,
                      td + io->FramePadding);
-    list->pLayer--;
+    list->LayerDown();
     off_x += td.x + io->ItemSpace.x + io->FramePadding.x;
   }
   list->DrawText(FinalPos() + fvec2(off_x, io->FramePadding.y * 0.5), label,

pd/ui7/source/container/image.cpp

@@ -29,11 +29,11 @@ PD_UI7_API void Image::Draw() {
   // Assert(io.get() && list.get(), "Did you run Container::Init correctly?");
   // Assert(img.get(), "Image is nullptr!");
   // io->Ren->OnScreen(screen);
-  list->pLayer++;
+  list->LayerUp();
   list->DrawTexture(img);
   list->DrawRectFilled(FinalPos(), newsize, 0xffffffff);
   list->DrawSolid();
-  list->pLayer--;
+  list->LayerDown();
 }
 }  // namespace UI7
 }  // namespace PD

pd/ui7/source/container/slider.cpp

@@ -0,0 +1,107 @@
+/*
+MIT License
+Copyright (c) 2024 - 2025 René Amthor (tobid7)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+#include <pd/ui7/container/label.hpp>
+#include <pd/ui7/container/slider.hpp>
+#include <type_traits>
+
+namespace PD {
+namespace UI7 {
+// Setup Supported Datatypes (Probably making this Object
+// header only to not care about datatype support)
+template class PD_UI7_API Slider<float>;
+template class PD_UI7_API Slider<int>;
+template class PD_UI7_API Slider<double>;
+template class PD_UI7_API Slider<u8>;
+template class PD_UI7_API Slider<u16>;
+template class PD_UI7_API Slider<u32>;
+template class PD_UI7_API Slider<u64>;
+template <typename T>
+PD_UI7_API void Slider<T>::HandleInput() {
+  /// Ensure to only check input once
+  if (inp_done) {
+    return;
+  }
+  // Assert(screen.get(), "Screen is not set up!");
+  std::string p;
+  if constexpr (std::is_floating_point_v<T>) {
+    p = std::format("{:.{}f}", *data, precision);
+  } else {
+    p = std::format("{}", *data);
+  }
+  // Unsafe but is the fastest solution
+  float xps = FinalPos().x;
+  if (io->InputHandler->DragObject(
+          this->GetID(),
+          fvec4(FinalPos() + fvec2(2, 0), fvec2(width, GetSize().y)))) {
+    if (!io->InputHandler->DragReleasedAW) {
+      *data = std::clamp(
+          T(max * (std::clamp(io->InputHandler->DragLastPosition.x - xps, 0.f,
+                              width) /
+                   width)),
+          this->min, this->max);
+    }
+  }
+  inp_done = true;
+}
+
+template <typename T>
+PD_UI7_API void Slider<T>::Draw() {
+  // Assert(io.get() && list.get(), "Did you run Container::Init correctly?");
+  // io->Ren->OnScreen(screen);
+  std::string p;
+  if constexpr (std::is_floating_point_v<T>) {
+    p = std::format("{:.{}f}", *data, precision);
+  } else {
+    p = std::format("{}", *data);
+  }
+  fvec2 td = io->Font->GetTextBounds(p, io->FontScale);
+  list->PathRect(FinalPos(), FinalPos() + fvec2(width, td.y) + io->FramePadding,
+                 io->FrameRounding);
+  list->PathFill(io->Theme->Get(UI7Color_Button));
+  list->PathRect(FinalPos() + 2 + PD::fvec2(slp, 0),
+                 FinalPos() + fvec2(slp + slw - 2, td.y - 2) + io->FramePadding,
+                 io->FrameRounding);
+  list->PathFill(io->Theme->Get(UI7Color_ButtonActive));
+  list->LayerUp();
+  list->DrawTextEx(FinalPos(), p, io->Theme->Get(UI7Color_Text),
+                   LiTextFlags_AlignMid, fvec2(width, td.y) + io->FramePadding);
+  list->LayerDown();
+  list->DrawText(FinalPos() + fvec2(width + io->FramePadding.x * 2.f,
+                                    io->FramePadding.y * 0.5),
+                 label, io->Theme->Get(UI7Color_Text));
+}
+
+template <typename T>
+PD_UI7_API void Slider<T>::Update() {
+  // Assert(io.get(), "Did you run Container::Init correctly?");
+  //  Probably need to find a faster solution (caching sizes calculated here)
+  slw = std::clamp(static_cast<float>(width / max), 3.f, width);
+  slp = static_cast<float>((float)*data / (float)max) * (width - slw);
+  fvec2 tdim = io->Font->GetTextBounds(label, io->FontScale);
+
+  this->SetSize(
+      fvec2(width + tdim.x + io->ItemSpace.x * 2, tdim.y + io->FramePadding.y));
+}
+}  // namespace UI7
+}  // namespace PD

pd/ui7/source/menu.cpp

@@ -242,7 +242,7 @@ PD_UI7_API void Menu::DrawBaseLayout() {
     if (!(Flags & UI7MenuFlags_NoResize)) {
       Container::Ref r = DynObj::New(
           [](IO::Ref io, Li::DrawList::Ref l, UI7::Container* self) {
-            l->pLayer = 1;
+            l->Layer(1);
             l->PathAdd(self->FinalPos() + self->GetSize() - fvec2(0, 20));
             l->PathAdd(self->FinalPos() + self->GetSize());
             l->PathAdd(self->FinalPos() + self->GetSize() - fvec2(20, 0));
@@ -258,7 +258,7 @@ PD_UI7_API void Menu::DrawBaseLayout() {
     /** Background */
     Container::Ref r = DynObj::New([](IO::Ref io, Li::DrawList::Ref l,
                                       UI7::Container* self) {
-      l->pLayer = 0;
+      l->Layer(0);
       l->PathRectEx(self->FinalPos(), self->FinalPos() + self->GetSize(), 10.f,
                     LiPathRectFlags_KeepTop | LiPathRectFlags_KeepBot);
       l->PathFill(io->Theme->Get(UI7Color_Background));
@@ -275,11 +275,11 @@ PD_UI7_API void Menu::DrawBaseLayout() {
   if (!(Flags & UI7MenuFlags_NoTitlebar)) {
     Container::Ref r = DynObj::New(
         [=, this](UI7::IO::Ref io, Li::DrawList::Ref l, UI7::Container* self) {
-          l->pLayer = 20;
+          l->Layer(20);
           /** Header Bar */
           l->DrawRectFilled(self->FinalPos(), self->GetSize(),
                             io->Theme->Get(UI7Color_Header));
-          l->pLayer = 21;
+          l->Layer(21);
           /** Inline if statement to shift the Text if collapse sym is shown */
           /** What the hell is this code btw (didn't found a better way) */
           l->DrawText(self->FinalPos() + fvec2((Flags & UI7MenuFlags_NoCollapse)
@@ -300,7 +300,7 @@ PD_UI7_API void Menu::DrawBaseLayout() {
       r = DynObj::New([=, this](UI7::IO::Ref io, Li::DrawList::Ref l,
                                 UI7::Container* self) {
         /** This sym actually requires layer 21 (i dont know why) */
-        l->pLayer = 21;
+        l->Layer(21);
         /**
          * Symbol (Position Swapping set by pIsOpen ? openpos : closepos;)
          */

pd/ui7/source/ui7.cpp

@@ -51,25 +51,25 @@ PD_UI7_API void Context::UseViewPort(const ID &id) {
   pIO->CurrentViewPort = pIO->ViewPorts[id]->GetSize();
 }
 
-PD_UI7_API bool Context::BeginMenu(const ID &id, UI7MenuFlags flags,
-                                   bool *pShow) {
+PD_UI7_API Menu::Ref Context::BeginMenu(const ID &id, UI7MenuFlags flags,
+                                        bool *pShow) {
   if (pCurrent) {
     std::cout << "[UI7] Error: You are already in " << pCurrent->pID.GetName()
               << " Menu" << std::endl;
-    return false;
+    return nullptr;
   }
   if (std::find(pCurrentMenus.begin(), pCurrentMenus.end(), (u32)id) !=
       pCurrentMenus.end()) {
     std::cout << "[UI7] Error: Menu " << id.GetName() << " already exists!"
               << std::endl;
-    return false;
+    return nullptr;
   }
   pCurrent = pGetOrCreateMenu(id);
   this->pCurrent->pIsShown = pShow;
   if (pCurrent->pIsShown != nullptr) {
     if (!*pCurrent->pIsShown) {
       pCurrent = nullptr;
-      return false;
+      return nullptr;
     }
   }
   /** Probably we dont even need Input Handling in this stage */
@@ -79,7 +79,7 @@ PD_UI7_API bool Context::BeginMenu(const ID &id, UI7MenuFlags flags,
   if (!pCurrent->pIsOpen) {
     pCurrent = nullptr;
   }
-  return pCurrent != nullptr;
+  return pCurrent;
 }
 
 PD_UI7_API void Context::EndMenu() {
@@ -154,8 +154,7 @@ PD_UI7_API void Context::Update() {
 }
 
 PD_UI7_API void Context::AboutMenu(bool *show) {
-  if (BeginMenu("About UI7", UI7MenuFlags_Scrolling, show)) {
-    auto m = pCurrent;
+  if (auto m = BeginMenu("About UI7", UI7MenuFlags_Scrolling, show)) {
     m->Label("Palladium UI7 " + GetVersion());
     m->Separator();
     m->Label("(c) 2023-2025 René Amthor");
@@ -177,8 +176,7 @@ PD_UI7_API void Context::AboutMenu(bool *show) {
 }
 
 PD_UI7_API void Context::MetricsMenu(bool *show) {
-  if (BeginMenu("UI7 Metrics", UI7MenuFlags_Scrolling, show)) {
-    auto m = pCurrent;
+  if (auto m = BeginMenu("UI7 Metrics", UI7MenuFlags_Scrolling, show)) {
     m->Label("Palladium - UI7 " + GetVersion());
     m->Separator();
     m->Label(
@@ -209,7 +207,7 @@ PD_UI7_API void Context::MetricsMenu(bool *show) {
     }
     m->SeparatorText("Palladium Info");
     m->Label("Renderer: " + PD::Gfx::pGfx->pName);
-    if (m->BeginTreeNode("Input: " + PD::Hid::pHid->pName)) {
+    if (m->BeginTreeNode(std::string("Input: " + PD::Hid::pHid->pName))) {
       if (PD::Hid::GetFlags() & PD::HidDriver::Flags_HasKeyboard) {
         m->Label("- Keyboard Supported");
       }
@@ -303,9 +301,7 @@ PD_UI7_API void Context::MetricsMenu(bool *show) {
 }
 
 PD_UI7_API void UI7::Context::StyleEditor(bool *show) {
-  if (this->BeginMenu("UI7 Style Editor", UI7MenuFlags_Scrolling, show)) {
-    auto m = pCurrent;
-
+  if (auto m = BeginMenu("UI7 Style Editor", UI7MenuFlags_Scrolling, show)) {
     m->Label("Palladium - UI7 " + GetVersion() + " Style Editor");
     m->Separator();
     m->DragData("MenuPadding", (float *)&pIO->MenuPadding, 2, 0.f, 100.f);

test/source/main.cpp

@@ -80,6 +80,7 @@ int main() {
     int wx, wy;
     glfwGetWindowSize(win, &wx, &wy);
     PD::Gfx::pGfx->ViewPort = PD::ivec2(wx, wy);
+    ui7->GetIO()->CurrentViewPort = PD::ivec4(0, 0, wx, wy);
     glViewport(0, 0, wx, wy);
     glClearColor(0, 0, 0, 0);
     glClear(GL_COLOR_BUFFER_BIT);
@@ -102,15 +103,14 @@ int main() {
     /** Draw text */
     List->DrawText(
         20,
-        "Test String oder So\nPalladium 0.5.0\n" +
+        "Test String oder So\nPalladium 0.6.0\n" +
             std::format("{}\nMousePos: {}",
                         PD::Strings::FormatNanos(
                             PD::OS::GetTraceRef("REN")->GetLastDiff()),
                         PD::Hid::MousePos()) +
             "\nUI7 Version: " + PD::UI7::GetVersion(),
         0xff000000);
-    if (ui7->BeginMenu("Test")) {
-      auto menu = ui7->pCurrent;
+    if (auto menu = ui7->BeginMenu("Test")) {
       menu->Label("Hello");
       menu->Label("World!");
       menu->Checkbox("About Menu", AboutOderSo);
@@ -125,17 +125,16 @@ int main() {
       menu->Label(
           std::format("Left: {}", PD::Hid::IsHeld(PD::Hid::Key::Touch)));
       menu->DragData("Value", &v, 1);
+      menu->Slider("Value 2", &v);
       ui7->EndMenu();
     }
-    if (ui7->BeginMenu("Yet another Window")) {
-      auto menu = ui7->pCurrent;
+    if (auto menu = ui7->BeginMenu("Yet another Window")) {
       menu->Label(std::format("this->Pos: {}", menu->pLayout->GetPosition()));
       menu->Label(std::format("Vertices: {}", PD::Gfx::pGfx->VertexCounter));
       menu->Label(std::format("Indices: {}", PD::Gfx::pGfx->IndexCounter));
       ui7->EndMenu();
     }
-    if (ui7->BeginMenu("#Debug (UI7)")) {
-      auto menu = ui7->pCurrent;
+    if (auto menu = ui7->BeginMenu("#Debug (UI7)")) {
       menu->Label(std::format("Framerate: {:.1f} [{:.2f}]", ui7->pIO->Framerate,
                               ui7->pIO->Delta));
       menu->SeparatorText("Input");
@@ -149,8 +148,7 @@ int main() {
       }
       ui7->EndMenu();
     }
-    if (ui7->BeginMenu("NoDebug")) {
-      auto m = ui7->pCurrent;
+    if (auto m = ui7->BeginMenu("NoDebug")) {
       if (m->BeginTreeNode("Test")) {
         m->Label("Hello World!");
         if (m->BeginTreeNode("AnotherNode")) {
@@ -176,8 +174,8 @@ int main() {
 #endif
     PD::TT::Beg("REN");
     PD::Gfx::NewFrame();
-    PD::Gfx::RenderDrawData(List->pDrawList);
-    PD::Gfx::RenderDrawData(ui7->GetDrawData()->pDrawList);
+    PD::Gfx::RenderDrawData(List->Data());
+    PD::Gfx::RenderDrawData(ui7->GetDrawData()->Data());
     /** Clear The List */
     List->Clear();
     PD::TT::End("REN");