Demo: satisfying buffer size

Using a child window for multi-line text.

README.md

@@ -32,7 +32,7 @@ Demo
 ----
 
 You should be able to build the examples from sources (tested on Windows/Mac/Linux). If you don't, let me know! If you want to have a quick look at the features of ImGui, you can download binaries of the demo app here.
-- [imgui-demo-binaries-20150321.zip](http://www.miracleworld.net/imgui/binaries/imgui-demo-binaries-20150321.zip) (Windows binaries, ImGui 1.37 WIP 2015/03/31, 4 executables, 391 KB)
+- [imgui-demo-binaries-20150531.zip](http://www.miracleworld.net/imgui/binaries/imgui-demo-binaries-20150531.zip) (Windows binaries, ImGui 1.40 WIP 2015/05/31, 4 executables, 432 KB)
 
 
 Gallery
@@ -42,7 +42,12 @@ Gallery
 ![screenshot 2](/web/test_window_02.png?raw=true)
 ![screenshot 3](/web/test_window_03.png?raw=true)
 ![screenshot 4](/web/test_window_04.png?raw=true)
-![screenshot 4](/web/examples_02.png?raw=true)
+![screenshot 5](/web/test_window_05_menus.png?raw=true)
+![screenshot 6](/web/examples_03.png?raw=true)
+
+![screenshot 7](https://cloud.githubusercontent.com/assets/8225057/7903336/96f0fb7c-07d0-11e5-95d6-41c6a1595e5a.png)
+
+![screenshot 8](/web/examples_02.png?raw=true)
 
 ImGui can load TTF fonts. UTF-8 is supported for text display and input. Here using Arial Unicode font to display Japanese. Initialize custom font with:
 ```
@@ -127,13 +132,13 @@ Embeds [stb_textedit.h, stb_truetype.h, stb_rectpack.h](https://github.com/nothi
 
 Inspiration, feedback, and testing for early versions: Casey Muratori, Atman Binstock, Mikko Mononen, Emmanuel Briney, Stefan Kamoda, Anton Mikhailov, Matt Willis. And everybody posting feedback, questions and patches on the GitHub.
 
-ImGui is financially supported on [**Patreon**](http://www.patreon.com/imgui).
+ImGui development is financially supported on [**Patreon**](http://www.patreon.com/imgui).
 
-Special supporters 
-- Jetha Chan, Mārtiņš Možeiko, Alex Evans, Pastagames, Wild Sheep Studio
+Special supporters:
+- Jetha Chan, Wild Sheep Studio, Pastagames, Mārtiņš Možeiko, Daniel Collin, Stefano Cristiano.
 
-And
-- Dale Kim, Michel Courtine, Paul Patrashcu, Rui Figueira
+And:
+- Michel Courtine, César Leblic, Dale Kim, Alex Evans, Rui Figueira, Paul Patrashcu, Jerome Lanquetot, Ctrl Alt Ninja, Paul Fleming, Neil Henning, Stephan Dilly.
 
 And other supporters; thanks!
 

examples/directx11_example/imgui_impl_dx11.cpp

@@ -26,7 +26,8 @@ static ID3D10Blob *             g_pPixelShaderBlob = NULL;
 static ID3D11PixelShader*       g_pPixelShader = NULL;
 static ID3D11SamplerState*      g_pFontSampler = NULL;
 static ID3D11ShaderResourceView*g_pFontTextureView = NULL;
-static ID3D11BlendState*        g_blendState = NULL;
+static ID3D11RasterizerState*   g_pRasterizerState = NULL;
+static ID3D11BlendState*        g_pBlendState = NULL;
 static int                      VERTEX_BUFFER_SIZE = 30000;     // TODO: Make vertex buffer smaller and grow dynamically as needed.
 
 struct VERTEX_CONSTANT_BUFFER
@@ -100,7 +101,8 @@ static void ImGui_ImplDX11_RenderDrawLists(ImDrawList** const cmd_lists, int cmd
 
     // Setup render state
     const float blendFactor[4] = { 0.f, 0.f, 0.f, 0.f };
-    g_pd3dDeviceContext->OMSetBlendState(g_blendState, blendFactor, 0xffffffff);
+    g_pd3dDeviceContext->OMSetBlendState(g_pBlendState, blendFactor, 0xffffffff);
+    g_pd3dDeviceContext->RSSetState(g_pRasterizerState);
 
     // Render command lists
     int vtx_offset = 0;
@@ -230,6 +232,10 @@ static void ImGui_ImplDX11_CreateFontsTexture()
         samplerDesc.MaxLOD = 0.f;
         g_pd3dDevice->CreateSamplerState(&samplerDesc, &g_pFontSampler);
     }
+
+    // Cleanup (don't clear the input data if you want to append new fonts later)
+    io.Fonts->ClearInputData();
+    io.Fonts->ClearTexData();
 }
 
 bool    ImGui_ImplDX11_CreateDeviceObjects()
@@ -335,19 +341,30 @@ bool    ImGui_ImplDX11_CreateDeviceObjects()
         desc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
         desc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
         desc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
-        g_pd3dDevice->CreateBlendState(&desc, &g_blendState);
+        g_pd3dDevice->CreateBlendState(&desc, &g_pBlendState);
+    }
+
+    // Create the rasterizer state
+    {
+        D3D11_RASTERIZER_DESC desc;
+        ZeroMemory(&desc, sizeof(desc));
+        desc.FillMode = D3D11_FILL_SOLID;
+        desc.CullMode = D3D11_CULL_NONE;
+        desc.ScissorEnable = true;
+        desc.DepthClipEnable = true;
+        g_pd3dDevice->CreateRasterizerState(&desc, &g_pRasterizerState);
     }
 
     // Create the vertex buffer
     {
-        D3D11_BUFFER_DESC bufferDesc;
-        memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
-        bufferDesc.Usage = D3D11_USAGE_DYNAMIC;
-        bufferDesc.ByteWidth = VERTEX_BUFFER_SIZE * sizeof(ImDrawVert);
-        bufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
-        bufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
-        bufferDesc.MiscFlags = 0;
-        if (g_pd3dDevice->CreateBuffer(&bufferDesc, NULL, &g_pVB) < 0)
+        D3D11_BUFFER_DESC desc;
+        memset(&desc, 0, sizeof(D3D11_BUFFER_DESC));
+        desc.Usage = D3D11_USAGE_DYNAMIC;
+        desc.ByteWidth = VERTEX_BUFFER_SIZE * sizeof(ImDrawVert);
+        desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
+        desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+        desc.MiscFlags = 0;
+        if (g_pd3dDevice->CreateBuffer(&desc, NULL, &g_pVB) < 0)
             return false;
     }
 
@@ -365,7 +382,8 @@ void    ImGui_ImplDX11_InvalidateDeviceObjects()
     if (g_pFontTextureView) { g_pFontTextureView->Release(); ImGui::GetIO().Fonts->TexID = 0; }
     if (g_pVB) { g_pVB->Release(); g_pVB = NULL; }
 
-    if (g_blendState) { g_blendState->Release(); g_blendState = NULL; }
+    if (g_pBlendState) { g_pBlendState->Release(); g_pBlendState = NULL; }
+    if (g_pRasterizerState) { g_pRasterizerState->Release(); g_pRasterizerState = NULL; }
     if (g_pPixelShader) { g_pPixelShader->Release(); g_pPixelShader = NULL; }
     if (g_pPixelShaderBlob) { g_pPixelShaderBlob->Release(); g_pPixelShaderBlob = NULL; }
     if (g_pVertexConstantBuffer) { g_pVertexConstantBuffer->Release(); g_pVertexConstantBuffer = NULL; }
@@ -390,7 +408,7 @@ bool    ImGui_ImplDX11_Init(void* hwnd, ID3D11Device* device, ID3D11DeviceContex
     io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
     io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
-    io.KeyMap[ImGuiKey_DownArrow] = VK_UP;
+    io.KeyMap[ImGuiKey_DownArrow] = VK_DOWN;
     io.KeyMap[ImGuiKey_Home] = VK_HOME;
     io.KeyMap[ImGuiKey_End] = VK_END;
     io.KeyMap[ImGuiKey_Delete] = VK_DELETE;
@@ -446,6 +464,9 @@ void ImGui_ImplDX11_NewFrame()
     // io.MouseDown : filled by WM_*BUTTON* events
     // io.MouseWheel : filled by WM_MOUSEWHEEL events
 
+    // Hide OS mouse cursor if ImGui is drawing it
+    SetCursor(io.MouseDrawCursor ? NULL : LoadCursor(NULL, IDC_ARROW));
+
     // Start the frame
     ImGui::NewFrame();
 }

examples/directx9_example/imgui_impl_dx9.cpp

@@ -168,7 +168,7 @@ bool    ImGui_ImplDX9_Init(void* hwnd, IDirect3DDevice9* device)
     io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
     io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
-    io.KeyMap[ImGuiKey_DownArrow] = VK_UP;
+    io.KeyMap[ImGuiKey_DownArrow] = VK_DOWN;
     io.KeyMap[ImGuiKey_Home] = VK_HOME;
     io.KeyMap[ImGuiKey_End] = VK_END;
     io.KeyMap[ImGuiKey_Delete] = VK_DELETE;
@@ -224,6 +224,10 @@ static void ImGui_ImplDX9_CreateFontsTexture()
 
     // Store our identifier
     io.Fonts->TexID = (void *)pTexture;
+
+    // Cleanup (don't clear the input data if you want to append new fonts later)
+    io.Fonts->ClearInputData();
+    io.Fonts->ClearTexData();
 }
 
 bool ImGui_ImplDX9_CreateDeviceObjects()
@@ -281,6 +285,9 @@ void ImGui_ImplDX9_NewFrame()
     // io.MouseDown : filled by WM_*BUTTON* events
     // io.MouseWheel : filled by WM_MOUSEWHEEL events
 
+    // Hide OS mouse cursor if ImGui is drawing it
+    SetCursor(io.MouseDrawCursor ? NULL : LoadCursor(NULL, IDC_ARROW));
+
     // Start the frame
     ImGui::NewFrame();
 }

examples/opengl3_example/imgui_impl_glfw_gl3.cpp

@@ -174,6 +174,10 @@ void ImGui_ImplGlfwGL3_CreateFontsTexture()
 
     // Store our identifier
     io.Fonts->TexID = (void *)(intptr_t)g_FontTexture;
+
+    // Cleanup (don't clear the input data if you want to append new fonts later)
+    io.Fonts->ClearInputData();
+    io.Fonts->ClearTexData();
 }
 
 bool ImGui_ImplGlfwGL3_CreateDeviceObjects()
@@ -354,7 +358,7 @@ void ImGui_ImplGlfwGL3_NewFrame()
     io.MouseWheel = g_MouseWheel;
     g_MouseWheel = 0.0f;
 
-    // Hide/show hardware mouse cursor
+    // Hide OS mouse cursor if ImGui is drawing it
     glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL);
 
     // Start the frame

examples/opengl3_example/main.cpp

@@ -20,6 +20,9 @@ int main(int, char**)
     glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
     glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+#if __APPLE__
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+#endif
     GLFWwindow* window = glfwCreateWindow(1280, 720, "ImGui OpenGL3 example", NULL, NULL);
     glfwMakeContextCurrent(window);
     gl3wInit();
@@ -72,7 +75,7 @@ int main(int, char**)
             ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver);
             ImGui::ShowTestWindow(&show_test_window);
         }
-        
+
         // Rendering
         glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
         glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);

examples/opengl_example/imgui_impl_glfw.cpp

@@ -156,6 +156,10 @@ bool ImGui_ImplGlfw_CreateDeviceObjects()
     // Store our identifier
     io.Fonts->TexID = (void *)(intptr_t)g_FontTexture;
 
+    // Cleanup (don't clear the input data if you want to append new fonts later)
+    io.Fonts->ClearInputData();
+    io.Fonts->ClearTexData();
+
     return true;
 }
 
@@ -259,7 +263,7 @@ void ImGui_ImplGlfw_NewFrame()
     io.MouseWheel = g_MouseWheel;
     g_MouseWheel = 0.0f;
 
-    // Hide/show hardware mouse cursor
+    // Hide OS mouse cursor if ImGui is drawing it
     glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL);
 
     // Start the frame

imconfig.h

@@ -31,6 +31,9 @@
 //---- Don't implement help and test window functionality (ShowUserGuide()/ShowStyleEditor()/ShowTestWindow() methods will be empty)
 //#define IMGUI_DISABLE_TEST_WINDOWS
 
+//---- Don't define obsolete functions names
+//#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
+
 //---- Implement STB libraries in a namespace to avoid conflicts
 //#define IMGUI_STB_NAMESPACE     ImStb
 

imgui.h

@@ -1,4 +1,4 @@
-// ImGui library v1.38
+// ImGui library v1.41
 // See .cpp file for documentation.
 // See ImGui::ShowTestWindow() for sample code.
 // Read 'Programmer guide' in .cpp for notes on how to setup ImGui in your codebase.
@@ -13,7 +13,7 @@
 #include <stdlib.h>         // NULL, malloc, free, qsort, atoi
 #include <string.h>         // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
 
-#define IMGUI_VERSION       "1.38"
+#define IMGUI_VERSION       "1.41"
 
 // Define assertion handler.
 #ifndef IM_ASSERT
@@ -36,17 +36,19 @@ struct ImGuiStorage;
 struct ImGuiStyle;
 
 typedef unsigned int ImU32;
-typedef unsigned short ImWchar;     // character for display
+typedef unsigned short ImWchar;     // character for keyboard input/display
 typedef void* ImTextureID;          // user data to refer to a texture (e.g. store your texture handle/id)
 typedef ImU32 ImGuiID;              // unique ID used by widgets (typically hashed from a stack of string)
 typedef int ImGuiCol;               // enum ImGuiCol_
 typedef int ImGuiStyleVar;          // enum ImGuiStyleVar_
 typedef int ImGuiKey;               // enum ImGuiKey_
+typedef int ImGuiAlign;             // enum ImGuiAlign_
 typedef int ImGuiColorEditMode;     // enum ImGuiColorEditMode_
 typedef int ImGuiMouseCursor;       // enum ImGuiMouseCursor_
 typedef int ImGuiWindowFlags;       // enum ImGuiWindowFlags_
 typedef int ImGuiSetCond;           // enum ImGuiSetCond_
 typedef int ImGuiInputTextFlags;    // enum ImGuiInputTextFlags_
+typedef int ImGuiSelectableFlags;   // enum ImGuiSelectableFlags_
 struct ImGuiTextEditCallbackData;   // for advanced uses of InputText() 
 typedef int (*ImGuiTextEditCallback)(ImGuiTextEditCallbackData *data);
 
@@ -72,79 +74,18 @@ struct ImVec4
 #endif
 };
 
-namespace ImGui
-{
-    // Proxy functions to access the MemAllocFn/MemFreeFn pointers in ImGui::GetIO(). The only reason they exist here is to allow ImVector<> to compile inline.
-    IMGUI_API void*       MemAlloc(size_t sz);
-    IMGUI_API void        MemFree(void* ptr);
-}
-
-// std::vector<> like class to avoid dragging dependencies (also: windows implementation of STL with debug enabled is absurdly slow, so let's bypass it so our code runs fast in debug). 
-// Use '#define ImVector std::vector' if you want to use the STL type or your own type.
-// Our implementation does NOT call c++ constructors! because the data types we use don't need them (but that could be added as well). Only provide the minimum functionalities we need.
-#ifndef ImVector
-template<typename T>
-class ImVector
-{
-protected:
-    size_t                      Size;
-    size_t                      Capacity;
-    T*                          Data;
-
-public:
-    typedef T                   value_type;
-    typedef value_type*         iterator;
-    typedef const value_type*   const_iterator;
-
-    ImVector()                  { Size = Capacity = 0; Data = NULL; }
-    ~ImVector()                 { if (Data) ImGui::MemFree(Data); }
-
-    inline bool                 empty() const                   { return Size == 0; }
-    inline size_t               size() const                    { return Size; }
-    inline size_t               capacity() const                { return Capacity; }
-
-    inline value_type&          at(size_t i)                    { IM_ASSERT(i < Size); return Data[i]; }
-    inline const value_type&    at(size_t i) const              { IM_ASSERT(i < Size); return Data[i]; }
-    inline value_type&          operator[](size_t i)            { IM_ASSERT(i < Size); return Data[i]; }
-    inline const value_type&    operator[](size_t i) const      { IM_ASSERT(i < Size); return Data[i]; }
-
-    inline void                 clear()                         { if (Data) { Size = Capacity = 0; ImGui::MemFree(Data); Data = NULL; } }
-    inline iterator             begin()                         { return Data; }
-    inline const_iterator       begin() const                   { return Data; }
-    inline iterator             end()                           { return Data + Size; }
-    inline const_iterator       end() const                     { return Data + Size; }
-    inline value_type&          front()                         { IM_ASSERT(Size > 0); return Data[0]; }
-    inline const value_type&    front() const                   { IM_ASSERT(Size > 0); return Data[0]; }
-    inline value_type&          back()                          { IM_ASSERT(Size > 0); return Data[Size-1]; }
-    inline const value_type&    back() const                    { IM_ASSERT(Size > 0); return Data[Size-1]; }
-    inline void                 swap(ImVector<T>& rhs)          { const size_t rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; const size_t rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; value_type* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }
-
-    inline void                 resize(size_t new_size)         { if (new_size > Capacity) reserve(new_size); Size = new_size; }
-    inline void                 reserve(size_t new_capacity)    
-    { 
-        if (new_capacity <= Capacity) return;
-        T* new_data = (value_type*)ImGui::MemAlloc(new_capacity * sizeof(value_type));
-        memcpy(new_data, Data, Size * sizeof(value_type));
-        ImGui::MemFree(Data);
-        Data = new_data;
-        Capacity = new_capacity; 
-    }
-
-    inline void                 push_back(const value_type& v)  { if (Size == Capacity) reserve(Capacity ? Capacity * 2 : 4); Data[Size++] = v; }
-    inline void                 pop_back()                      { IM_ASSERT(Size > 0); Size--; }
-
-    inline iterator             erase(const_iterator it)        { IM_ASSERT(it >= begin() && it < end()); const ptrdiff_t off = it - begin(); memmove(Data + off, Data + off + 1, (Size - (size_t)off - 1) * sizeof(value_type)); Size--; return Data + off; }
-    inline iterator             insert(const_iterator it, const value_type& v)  { IM_ASSERT(it >= begin() && it <= end()); const ptrdiff_t off = it - begin(); if (Size == Capacity) reserve(Capacity ? Capacity * 2 : 4); if (off < (int)Size) memmove(Data + off + 1, Data + off, (Size - (size_t)off) * sizeof(value_type)); Data[off] = v; Size++; return Data + off; }
-};
-#endif // #ifndef ImVector
-
 // Helpers at bottom of the file:
+// - class ImVector<>                   // Lightweight std::vector like class. Use '#define ImVector std::vector' if you want to use the STL type or your own type.
 // - IMGUI_ONCE_UPON_A_FRAME            // Execute a block of code once per frame only (convenient for creating UI within deep-nested code that runs multiple times)
 // - struct ImGuiTextFilter             // Parse and apply text filters. In format "aaaaa[,bbbb][,ccccc]"
 // - struct ImGuiTextBuffer             // Text buffer for logging/accumulating text
 // - struct ImGuiStorage                // Custom key value storage (if you need to alter open/close states manually)
+// - struct ImGuiTextEditCallbackData   // Shared state of ImGui::InputText() when using custom callbacks
+// - struct ImGuiListClipper            // Helper to manually clip large list of items.
+// - struct ImColor                     // Helper functions to created packed 32-bit RGBA color values 
 // - struct ImDrawList                  // Draw command list
-// - struct ImFont                      // TTF font loader, bake glyphs into bitmap
+// - struct ImFontAtlas                 // Bake multiple fonts into a single texture, TTF font loader, bake glyphs into bitmap
+// - struct ImFont                      // Single font
 
 // ImGui end-user API
 // In a namespace so that user can add extra functions in a separate file (e.g. Value() helpers for your vector or common types)
@@ -159,14 +100,14 @@ namespace ImGui
     IMGUI_API void          ShowUserGuide();                            // help block
     IMGUI_API void          ShowStyleEditor(ImGuiStyle* ref = NULL);    // style editor block
     IMGUI_API void          ShowTestWindow(bool* opened = NULL);        // test window, demonstrate ImGui features
-    IMGUI_API void          ShowMetricsWindow(bool* opened = NULL);     // metrics window
+    IMGUI_API void          ShowMetricsWindow(bool* opened = NULL);     // metrics window for debugging imgui
 
     // Window
     // See implementation in .cpp for details
     IMGUI_API bool          Begin(const char* name = "Debug", bool* p_opened = NULL, ImGuiWindowFlags flags = 0);                                           // return false when window is collapsed, so you can early out in your code. 'bool* p_opened' creates a widget on the upper-right to close the window (which sets your bool to false). 
     IMGUI_API bool          Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_use, float bg_alpha = -1.0f, ImGuiWindowFlags flags = 0);   // this is the older/longer API. call SetNextWindowSize() instead if you want to set a window size. For regular windows, 'size_on_first_use' only applies to the first time EVER the window is created and probably not what you want! maybe obsolete this API eventually.
     IMGUI_API void          End();
-    IMGUI_API bool          BeginChild(const char* str_id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags extra_flags = 0);        // size==0.0f: use remaining window size, size<0.0f: use remaining window size minus abs(size). on each axis.
+    IMGUI_API bool          BeginChild(const char* str_id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags extra_flags = 0);        // size==0.0f: use remaining window size, size<0.0f: use remaining window size minus abs(size). size>0.0f: fixed size. each axis can use a different mode, e.g. ImVec2(0,400).
     IMGUI_API bool          BeginChild(ImGuiID id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags extra_flags = 0);                // "
     IMGUI_API void          EndChild();
     IMGUI_API ImVec2        GetContentRegionMax();                                              // window or current column boundaries, in windows coordinates
@@ -176,15 +117,16 @@ namespace ImGui
     IMGUI_API ImFont*       GetWindowFont();
     IMGUI_API float         GetWindowFontSize();                                                // size (also height in pixels) of current font with current scale applied
     IMGUI_API void          SetWindowFontScale(float scale);                                    // per-window font scale. Adjust IO.FontGlobalScale if you want to scale all windows
-    IMGUI_API ImVec2        GetWindowPos();                                                     // you should rarely need/care about the window position, but it can be useful if you want to do your own drawing
-    IMGUI_API ImVec2        GetWindowSize();                                                    // get current window position
+    IMGUI_API ImVec2        GetWindowPos();                                                     // get current window position in screen space (useful if you want to do your own drawing via the DrawList api)
+    IMGUI_API ImVec2        GetWindowSize();                                                    // get current window size
     IMGUI_API float         GetWindowWidth();
-    IMGUI_API bool          GetWindowCollapsed();
+    IMGUI_API bool          IsWindowCollapsed();
 
-    IMGUI_API void          SetNextWindowPos(const ImVec2& pos, ImGuiSetCond cond = 0);         // set next window position - call before Begin()
-    IMGUI_API void          SetNextWindowSize(const ImVec2& size, ImGuiSetCond cond = 0);       // set next window size. set to ImVec2(0,0) to force an auto-fit
-    IMGUI_API void          SetNextWindowCollapsed(bool collapsed, ImGuiSetCond cond = 0);      // set next window collapsed state
-    IMGUI_API void          SetNextWindowFocus();                                               // set next window to be focused / front-most
+    IMGUI_API void          SetNextWindowPos(const ImVec2& pos, ImGuiSetCond cond = 0);         // set next window position. call before Begin()
+    IMGUI_API void          SetNextWindowPosCenter(ImGuiSetCond cond = 0);                      // set next window position to be centered on screen. call before Begin()
+    IMGUI_API void          SetNextWindowSize(const ImVec2& size, ImGuiSetCond cond = 0);       // set next window size. set to ImVec2(0,0) to force an auto-fit. call before Begin()
+    IMGUI_API void          SetNextWindowCollapsed(bool collapsed, ImGuiSetCond cond = 0);      // set next window collapsed state. call before Begin()
+    IMGUI_API void          SetNextWindowFocus();                                               // set next window to be focused / front-most. call before Begin()
     IMGUI_API void          SetWindowPos(const ImVec2& pos, ImGuiSetCond cond = 0);             // set current window position - call within Begin()/End(). may incur tearing
     IMGUI_API void          SetWindowSize(const ImVec2& size, ImGuiSetCond cond = 0);           // set current window size. set to ImVec2(0,0) to force an auto-fit. may incur tearing
     IMGUI_API void          SetWindowCollapsed(bool collapsed, ImGuiSetCond cond = 0);          // set current window collapsed state
@@ -211,13 +153,15 @@ namespace ImGui
     IMGUI_API void          PopStyleVar(int count = 1);
 
     // Parameters stacks (current window)
-    IMGUI_API void          PushItemWidth(float item_width);                                    // width of items for the common item+label case, pixels. 0.0f = default to ~2/3 of windows width, >0.0f: width in pixels, <0.0f align xx pixels to the right of window (so -0.01f always align width to the right side)
+    IMGUI_API void          PushItemWidth(float item_width);                                    // width of items for the common item+label case, pixels. 0.0f = default to ~2/3 of windows width, >0.0f: width in pixels, <0.0f align xx pixels to the right of window (so -1.0f always align width to the right side)
     IMGUI_API void          PopItemWidth();
     IMGUI_API float         CalcItemWidth();                                                    // width of item given pushed settings and current cursor position
     IMGUI_API void          PushAllowKeyboardFocus(bool v);                                     // allow focusing using TAB/Shift-TAB, enabled by default but you can disable it for certain widgets
     IMGUI_API void          PopAllowKeyboardFocus();
     IMGUI_API void          PushTextWrapPos(float wrap_pos_x = 0.0f);                           // word-wrapping for Text*() commands. < 0.0f: no wrapping; 0.0f: wrap to end of window (or column); > 0.0f: wrap at 'wrap_pos_x' position in window local space
     IMGUI_API void          PopTextWrapPos();
+    IMGUI_API void          PushButtonRepeat(bool repeat);                                      // in 'repeat' mode, Button*() functions return true multiple times as you hold them (uses io.KeyRepeatDelay/io.KeyRepeatRate for now)
+    IMGUI_API void          PopButtonRepeat();
 
     // Tooltip
     IMGUI_API void          SetTooltip(const char* fmt, ...);                                   // set tooltip under mouse-cursor, typically use with ImGui::IsHovered(). last call wins
@@ -226,18 +170,25 @@ namespace ImGui
     IMGUI_API void          EndTooltip();
 
     // Popup
-    IMGUI_API void          BeginPopup(bool* p_opened);
+    IMGUI_API void          OpenPopup(const char* str_id);                                      // mark popup as open. popup identifiers are relative to the current ID-stack (so OpenPopup and BeginPopup needs to be at the same level). close childs popups if any. will close popup when user click outside, or activate a pressable item, or CloseCurrentPopup() is called within a BeginPopup()/EndPopup() block.
+    IMGUI_API bool          BeginPopup(const char* str_id);                                     // return true if popup if opened and start outputting to it. only call EndPopup() if BeginPopup() returned true!
+    IMGUI_API bool          BeginPopupModal(const char* name, bool* p_opened = NULL, ImGuiWindowFlags extra_flags = 0);             // modal dialog (can't close them by clicking outside)
+    IMGUI_API bool          BeginPopupContextItem(const char* str_id, int mouse_button = 1);                                        // helper to open and begin popup when clicked on last item
+    IMGUI_API bool          BeginPopupContextWindow(bool also_over_items = true, const char* str_id = NULL, int mouse_button = 1);  // helper to open and begin popup when clicked on current window
+    IMGUI_API bool          BeginPopupContextVoid(const char* str_id = NULL, int mouse_button = 1);                                 // helper to open and begin popup when clicked in void (no window)
     IMGUI_API void          EndPopup();
+    IMGUI_API void          CloseCurrentPopup();                                                // close the popup we have begin-ed into. clicking on a MenuItem or Selectable automatically close the current popup.
 
-    // Layout
-    IMGUI_API void          BeginGroup();
+    // Cursor / Layout
+    IMGUI_API void          BeginGroup();                                                       // once closing a group it is seen as a single item (so you can use IsItemHovered() on a group, SameLine() between groups, etc. 
     IMGUI_API void          EndGroup();
     IMGUI_API void          Separator();                                                        // horizontal line
     IMGUI_API void          SameLine(int column_x = 0, int spacing_w = -1);                     // call between widgets or groups to layout them horizontally
-    IMGUI_API void          Spacing();                                                          // add vertical spacing
+    IMGUI_API void          Spacing();                                                          // add spacing
+    IMGUI_API void          Dummy(const ImVec2& size);                                          // add a dummy item of given size
     IMGUI_API void          Indent();                                                           // move content position toward the right by style.IndentSpacing pixels
     IMGUI_API void          Unindent();                                                         // move content position back to the left (cancel Indent)
-    IMGUI_API void          Columns(int count = 1, const char* id = NULL, bool border=true);    // setup number of columns
+    IMGUI_API void          Columns(int count = 1, const char* id = NULL, bool border=true);    // setup number of columns. use an identifier to distinguish multiple column sets. close with Columns(1).
     IMGUI_API void          NextColumn();                                                       // next column
     IMGUI_API int           GetColumnIndex();                                                   // get current column index
     IMGUI_API float         GetColumnOffset(int column_index = -1);                             // get position of column line (in pixels, from the left side of the contents region). pass -1 to use current column, otherwise 0..GetcolumnsCount() inclusive. column 0 is usually 0.0f and not resizable unless you call this
@@ -254,7 +205,8 @@ namespace ImGui
     IMGUI_API void          SetCursorScreenPos(const ImVec2& pos);                              // cursor position in absolute screen coordinates [0..io.DisplaySize]
     IMGUI_API void          AlignFirstTextHeightToWidgets();                                    // call once if the first item on the line is a Text() item and you want to vertically lower it to match subsequent (bigger) widgets
     IMGUI_API float         GetTextLineHeight();                                                // height of font == GetWindowFontSize()
-    IMGUI_API float         GetTextLineHeightWithSpacing();                                     // spacing (in pixels) between 2 consecutive lines of text == GetWindowFontSize() + GetStyle().ItemSpacing.y
+    IMGUI_API float         GetTextLineHeightWithSpacing();                                     // distance (in pixels) between 2 consecutive lines of text == GetWindowFontSize() + GetStyle().ItemSpacing.y
+    IMGUI_API float         GetItemsLineHeightWithSpacing();                                    // distance (in pixels) between 2 consecutive lines of standard height widgets == GetWindowFontSize() + GetStyle().FramePadding.y*2 + GetStyle().ItemSpacing.y
 
     // ID scopes
     // If you are creating widgets in a loop you most likely want to push a unique identifier so ImGui can differentiate them
@@ -273,7 +225,9 @@ namespace ImGui
     IMGUI_API void          TextV(const char* fmt, va_list args);
     IMGUI_API void          TextColored(const ImVec4& col, const char* fmt, ...);               // shortcut for PushStyleColor(ImGuiCol_Text, col); Text(fmt, ...); PopStyleColor();
     IMGUI_API void          TextColoredV(const ImVec4& col, const char* fmt, va_list args);
-    IMGUI_API void          TextWrapped(const char* fmt, ...);                                  // shortcut for PushTextWrapPos(0.0f); Text(fmt, ...); PopTextWrapPos();
+    IMGUI_API void          TextDisabled(const char* fmt, ...);                                 // shortcut for PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]); Text(fmt, ...); PopStyleColor();
+    IMGUI_API void          TextDisabledV(const char* fmt, va_list args);
+    IMGUI_API void          TextWrapped(const char* fmt, ...);                                  // shortcut for PushTextWrapPos(0.0f); Text(fmt, ...); PopTextWrapPos();. Note that this won't work on an auto-resizing window if there's no other widgets to extend the window width, yoy may need to set a size using SetNextWindowSize().
     IMGUI_API void          TextWrappedV(const char* fmt, va_list args);
     IMGUI_API void          TextUnformatted(const char* text, const char* text_end = NULL);     // doesn't require null terminated string if 'text_end' is specified. no copy done to any bounded stack buffer, recommended for long chunks of text
     IMGUI_API void          LabelText(const char* label, const char* fmt, ...);                 // display text+label aligned the same way as value+label widgets 
@@ -281,11 +235,11 @@ namespace ImGui
     IMGUI_API void          Bullet();
     IMGUI_API void          BulletText(const char* fmt, ...);
     IMGUI_API void          BulletTextV(const char* fmt, va_list args);
-    IMGUI_API bool          Button(const char* label, const ImVec2& size = ImVec2(0,0), bool repeat_when_held = false);
+    IMGUI_API bool          Button(const char* label, const ImVec2& size = ImVec2(0,0));
     IMGUI_API bool          SmallButton(const char* label);
     IMGUI_API bool          InvisibleButton(const char* str_id, const ImVec2& size);
     IMGUI_API void          Image(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0,0), const ImVec2& uv1 = ImVec2(1,1), const ImVec4& tint_col = ImVec4(1,1,1,1), const ImVec4& border_col = ImVec4(0,0,0,0));
-    IMGUI_API bool          ImageButton(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0,0),  const ImVec2& uv1 = ImVec2(1,1), int frame_padding = -1, const ImVec4& bg_col = ImVec4(0,0,0,1), const ImVec4& tint_col = ImVec4(1,1,1,1));    // <0 frame_padding uses default frame padding settings. 0 for no padding
+    IMGUI_API bool          ImageButton(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0,0),  const ImVec2& uv1 = ImVec2(1,1), int frame_padding = -1, const ImVec4& bg_col = ImVec4(0,0,0,0), const ImVec4& tint_col = ImVec4(1,1,1,1));    // <0 frame_padding uses default frame padding settings. 0 for no padding
     IMGUI_API bool          CollapsingHeader(const char* label, const char* str_id = NULL, bool display_frame = true, bool default_open = false);
     IMGUI_API bool          Checkbox(const char* label, bool* v);
     IMGUI_API bool          CheckboxFlags(const char* label, unsigned int* flags, unsigned int flags_value);
@@ -303,6 +257,28 @@ namespace ImGui
     IMGUI_API void          PlotHistogram(const char* label, const float* values, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0,0), size_t stride = sizeof(float));
     IMGUI_API void          PlotHistogram(const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0,0));
 
+    // Widgets: Drags (tip: ctrl+click on a drag box to input text)
+    IMGUI_API bool          DragFloat(const char* label, float* v, float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f", float power = 1.0f);     // If v_min >= v_max we have no bound
+    IMGUI_API bool          DragFloat2(const char* label, float v[2], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f", float power = 1.0f);
+    IMGUI_API bool          DragFloat3(const char* label, float v[3], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f", float power = 1.0f);
+    IMGUI_API bool          DragFloat4(const char* label, float v[4], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f", float power = 1.0f);
+    IMGUI_API bool          DragInt(const char* label, int* v, float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* display_format = "%.0f");                                       // If v_min >= v_max we have no bound
+    IMGUI_API bool          DragInt2(const char* label, int v[2], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* display_format = "%.0f");
+    IMGUI_API bool          DragInt3(const char* label, int v[3], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* display_format = "%.0f");
+    IMGUI_API bool          DragInt4(const char* label, int v[4], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* display_format = "%.0f");
+
+    // Widgets: Input
+    IMGUI_API bool          InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiTextEditCallback callback = NULL, void* user_data = NULL);
+    IMGUI_API bool          InputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size = ImVec2(0,0), ImGuiInputTextFlags flags = 0, ImGuiTextEditCallback callback = NULL, void* user_data = NULL);
+    IMGUI_API bool          InputFloat(const char* label, float* v, float step = 0.0f, float step_fast = 0.0f, int decimal_precision = -1, ImGuiInputTextFlags extra_flags = 0);
+    IMGUI_API bool          InputFloat2(const char* label, float v[2], int decimal_precision = -1, ImGuiInputTextFlags extra_flags = 0);
+    IMGUI_API bool          InputFloat3(const char* label, float v[3], int decimal_precision = -1, ImGuiInputTextFlags extra_flags = 0);
+    IMGUI_API bool          InputFloat4(const char* label, float v[4], int decimal_precision = -1, ImGuiInputTextFlags extra_flags = 0);
+    IMGUI_API bool          InputInt(const char* label, int* v, int step = 1, int step_fast = 100, ImGuiInputTextFlags extra_flags = 0);
+    IMGUI_API bool          InputInt2(const char* label, int v[2], ImGuiInputTextFlags extra_flags = 0);
+    IMGUI_API bool          InputInt3(const char* label, int v[3], ImGuiInputTextFlags extra_flags = 0);
+    IMGUI_API bool          InputInt4(const char* label, int v[4], ImGuiInputTextFlags extra_flags = 0);
+
     // Widgets: Sliders (tip: ctrl+click on a slider to input text)
     IMGUI_API bool          SliderFloat(const char* label, float* v, float v_min, float v_max, const char* display_format = "%.3f", float power = 1.0f);     // adjust display_format to decorate the value with a prefix or a suffix. Use power!=1.0 for logarithmic sliders
     IMGUI_API bool          SliderFloat2(const char* label, float v[2], float v_min, float v_max, const char* display_format = "%.3f", float power = 1.0f);
@@ -316,27 +292,6 @@ namespace ImGui
     IMGUI_API bool          VSliderFloat(const char* label, const ImVec2& size, float* v, float v_min, float v_max, const char* display_format = "%.3f", float power = 1.0f);
     IMGUI_API bool          VSliderInt(const char* label, const ImVec2& size, int* v, int v_min, int v_max, const char* display_format = "%.0f");
 
-    // Widgets: Drags (tip: ctrl+click on a drag box to input text)
-    IMGUI_API bool          DragFloat(const char* label, float* v, float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f", float power = 1.0f);     // If v_max >= v_max we have no bound
-    IMGUI_API bool          DragFloat2(const char* label, float v[2], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f", float power = 1.0f);
-    IMGUI_API bool          DragFloat3(const char* label, float v[3], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f", float power = 1.0f);
-    IMGUI_API bool          DragFloat4(const char* label, float v[4], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* display_format = "%.3f", float power = 1.0f);
-    IMGUI_API bool          DragInt(const char* label, int* v, float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* display_format = "%.0f");                                       // If v_max >= v_max we have no bound
-    IMGUI_API bool          DragInt2(const char* label, int v[2], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* display_format = "%.0f");
-    IMGUI_API bool          DragInt3(const char* label, int v[3], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* display_format = "%.0f");
-    IMGUI_API bool          DragInt4(const char* label, int v[4], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* display_format = "%.0f");
-
-    // Widgets: Input
-    IMGUI_API bool          InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiTextEditCallback callback = NULL, void* user_data = NULL);
-    IMGUI_API bool          InputFloat(const char* label, float* v, float step = 0.0f, float step_fast = 0.0f, int decimal_precision = -1, ImGuiInputTextFlags extra_flags = 0);
-    IMGUI_API bool          InputFloat2(const char* label, float v[2], int decimal_precision = -1);
-    IMGUI_API bool          InputFloat3(const char* label, float v[3], int decimal_precision = -1);
-    IMGUI_API bool          InputFloat4(const char* label, float v[4], int decimal_precision = -1);
-    IMGUI_API bool          InputInt(const char* label, int* v, int step = 1, int step_fast = 100, ImGuiInputTextFlags extra_flags = 0);
-    IMGUI_API bool          InputInt2(const char* label, int v[2]);
-    IMGUI_API bool          InputInt3(const char* label, int v[3]);
-    IMGUI_API bool          InputInt4(const char* label, int v[4]);
-
     // Widgets: Trees
     IMGUI_API bool          TreeNode(const char* str_label_id);                                 // if returning 'true' the node is open and the user is responsible for calling TreePop
     IMGUI_API bool          TreeNode(const char* str_id, const char* fmt, ...);                 // "
@@ -349,15 +304,25 @@ namespace ImGui
     IMGUI_API void          SetNextTreeNodeOpened(bool opened, ImGuiSetCond cond = 0);          // set next tree node to be opened.
 
     // Widgets: Selectable / Lists
-    IMGUI_API bool          Selectable(const char* label, bool selected = false, const ImVec2& size = ImVec2(0,0));
-    IMGUI_API bool          Selectable(const char* label, bool* p_selected, const ImVec2& size = ImVec2(0,0));
+    IMGUI_API bool          Selectable(const char* label, bool selected = false, ImGuiSelectableFlags flags = 0, const ImVec2& size = ImVec2(0,0));  // size.x==0.0: use remaining width, size.x>0.0: specify width. size.y==0.0: use label height, size.y>0.0: specify height 
+    IMGUI_API bool          Selectable(const char* label, bool* p_selected, ImGuiSelectableFlags flags = 0, const ImVec2& size = ImVec2(0,0));
     IMGUI_API bool          ListBox(const char* label, int* current_item, const char** items, int items_count, int height_in_items = -1);
     IMGUI_API bool          ListBox(const char* label, int* current_item, bool (*items_getter)(void* data, int idx, const char** out_text), void* data, int items_count, int height_in_items = -1);
     IMGUI_API bool          ListBoxHeader(const char* label, const ImVec2& size = ImVec2(0,0)); // use if you want to reimplement ListBox() will custom data or interactions. make sure to call ListBoxFooter() afterwards.
     IMGUI_API bool          ListBoxHeader(const char* label, int items_count, int height_in_items = -1); // "
     IMGUI_API void          ListBoxFooter();                                                    // terminate the scrolling region
 
-    // Widgets: Value() Helpers. Output single value in "name: value" format (tip: freely declare your own within the ImGui namespace!)
+    // Widgets: Menus
+    IMGUI_API bool          BeginMainMenuBar();                                                 // create and append to a full screen menu-bar. only call EndMainMenuBar() if this returns true!
+    IMGUI_API void          EndMainMenuBar();
+    IMGUI_API bool          BeginMenuBar();                                                     // append to menu-bar of current window (requires ImGuiWindowFlags_MenuBar flag set). only call EndMenuBar() if this returns true!
+    IMGUI_API void          EndMenuBar();
+    IMGUI_API bool          BeginMenu(const char* label, bool enabled = true);                  // create a sub-menu entry. only call EndMenu() if this returns true!
+    IMGUI_API void          EndMenu();
+    IMGUI_API bool          MenuItem(const char* label, const char* shortcut = NULL, bool selected = false, bool enabled = true);  // return true when activated. shortcuts are displayed for convenience but not processed by ImGui at the moment
+    IMGUI_API bool          MenuItem(const char* label, const char* shortcut, bool* p_selected, bool enabled = true);              // return true when activated + toggle (*p_selected) if p_selected != NULL
+
+    // Widgets: Value() Helpers. Output single value in "name: value" format (tip: freely declare more in your code to handle your types. you can add functions to the ImGui namespace)
     IMGUI_API void          Value(const char* prefix, bool b);
     IMGUI_API void          Value(const char* prefix, int v);
     IMGUI_API void          Value(const char* prefix, unsigned int v);
@@ -377,18 +342,24 @@ namespace ImGui
     IMGUI_API bool          IsItemHovered();                                                    // was the last item hovered by mouse?
     IMGUI_API bool          IsItemHoveredRect();                                                // was the last item hovered by mouse? even if another item is active while we are hovering this
     IMGUI_API bool          IsItemActive();                                                     // was the last item active? (e.g. button being held, text field being edited- items that don't interact will always return false)
-    IMGUI_API bool          IsAnyItemActive();                                                  // 
     IMGUI_API bool          IsItemVisible();
+    IMGUI_API bool          IsAnyItemHovered();
+    IMGUI_API bool          IsAnyItemActive();
     IMGUI_API ImVec2        GetItemRectMin();                                                   // get bounding rect of last item in screen space
     IMGUI_API ImVec2        GetItemRectMax();                                                   // "
     IMGUI_API ImVec2        GetItemRectSize();                                                  // "
+    IMGUI_API bool          IsWindowHovered();
     IMGUI_API bool          IsWindowFocused();                                                  // is current window focused (differentiate child windows from each others)
-    IMGUI_API bool          IsRootWindowFocused();                                              // is current root window focused
+    IMGUI_API bool          IsRootWindowFocused();                                              // is current root window focused (top parent window in case of child windows)
     IMGUI_API bool          IsRootWindowOrAnyChildFocused();                                    // is current root window or any of its child (including current window) focused
-    IMGUI_API bool          IsRectClipped(const ImVec2& size);                                  // test if rectangle of given size starting from cursor pos is out of clipping region. to perform coarse clipping on user's side (as an optimization)
-    IMGUI_API bool          IsKeyPressed(int key_index, bool repeat = true);                    // key_index into the keys_down[512] array, imgui doesn't know the semantic of each entry
+    IMGUI_API bool          IsRectVisible(const ImVec2& size);                                  // test if rectangle of given size starting from cursor pos is visible (not clipped). to perform coarse clipping on user's side (as an optimization)
+    IMGUI_API bool          IsKeyDown(int key_index);                                           // key_index into the keys_down[512] array, imgui doesn't know the semantic of each entry, uses your own indices!
+    IMGUI_API bool          IsKeyPressed(int key_index, bool repeat = true);                    // "
+    IMGUI_API bool          IsKeyReleased(int key_index);                                       // "
+    IMGUI_API bool          IsMouseDown(int button);
     IMGUI_API bool          IsMouseClicked(int button, bool repeat = false);
     IMGUI_API bool          IsMouseDoubleClicked(int button);
+    IMGUI_API bool          IsMouseReleased(int button);
     IMGUI_API bool          IsMouseHoveringWindow();                                            // is mouse hovering current window ("window" in API names always refer to current window)
     IMGUI_API bool          IsMouseHoveringAnyWindow();                                         // is mouse hovering any active imgui window
     IMGUI_API bool          IsMouseHoveringRect(const ImVec2& rect_min, const ImVec2& rect_max);// is mouse hovering given bounding rect
@@ -404,29 +375,37 @@ namespace ImGui
     IMGUI_API const char*   GetStyleColName(ImGuiCol idx);
     IMGUI_API ImVec2        CalcItemRectClosestPoint(const ImVec2& pos, bool on_edge = false, float outward = +0.0f);   // utility to find the closest point the last item bounding rectangle edge. useful to visually link items
     IMGUI_API ImVec2        CalcTextSize(const char* text, const char* text_end = NULL, bool hide_text_after_double_hash = false, float wrap_width = -1.0f);
-    IMGUI_API void          CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end);    // helper to manually clip large list of items. see comments in implementation
+    IMGUI_API void          CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end);    // calculate coarse clipping for large list of evenly sized items. Prefer using the ImGuiListClipper higher-level helper if you can.
 
-    IMGUI_API void          BeginChildFrame(ImGuiID id, const ImVec2& size);                    // helper to create a child window / scrolling region that looks like a normal widget frame
+    IMGUI_API bool          BeginChildFrame(ImGuiID id, const ImVec2& size);                    // helper to create a child window / scrolling region that looks like a normal widget frame
     IMGUI_API void          EndChildFrame();
 
     IMGUI_API ImU32         ColorConvertFloat4ToU32(const ImVec4& in);
     IMGUI_API void          ColorConvertRGBtoHSV(float r, float g, float b, float& out_h, float& out_s, float& out_v);
     IMGUI_API void          ColorConvertHSVtoRGB(float h, float s, float v, float& out_r, float& out_g, float& out_b);
 
-    // Internal state access - if you want to share ImGui state between modules (e.g. DLL) or allocate it yourself
+    // Helpers functions to access the MemAllocFn/MemFreeFn pointers in ImGui::GetIO()
+    IMGUI_API void*         MemAlloc(size_t sz);
+    IMGUI_API void          MemFree(void* ptr);
+
+    // Internal state/context access - if you want to use multiple ImGui context, or share context between modules (e.g. DLL), or allocate the memory yourself
     IMGUI_API const char*   GetVersion();
     IMGUI_API void*         GetInternalState();
     IMGUI_API size_t        GetInternalStateSize();
     IMGUI_API void          SetInternalState(void* state, bool construct = false);
 
     // Obsolete (will be removed)
-    IMGUI_API void          GetDefaultFontData(const void** fnt_data, unsigned int* fnt_size, const void** png_data, unsigned int* png_size);   // OBSOLETE
-    static inline void      OpenNextNode(bool open) { ImGui::SetNextTreeNodeOpened(open, 0); }  // OBSOLETE
-    static inline bool      GetWindowIsFocused() { return ImGui::IsWindowFocused(); }   // OBSOLETE
-    static inline ImVec2    GetItemBoxMin() { return GetItemRectMin(); }    // OBSOLETE
-    static inline ImVec2    GetItemBoxMax() { return GetItemRectMax(); }    // OBSOLETE
-    static inline bool      IsClipped(const ImVec2& size) { return IsRectClipped(size); }   // OBSOLETE
-    static inline bool      IsMouseHoveringBox(const ImVec2& rect_min, const ImVec2& rect_max) { return IsMouseHoveringRect(rect_min, rect_max); }  // OBSOLETE
+#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
+    IMGUI_API void          GetDefaultFontData(const void** fnt_data, unsigned int* fnt_size, const void** png_data, unsigned int* png_size);   // OBSOLETE 1.30+
+    static inline void      OpenNextNode(bool open) { ImGui::SetNextTreeNodeOpened(open, 0); } // OBSOLETE 1.34+
+    static inline bool      GetWindowIsFocused() { return ImGui::IsWindowFocused(); }          // OBSOLETE 1.36+
+    static inline bool      GetWindowCollapsed() { return ImGui::IsWindowCollapsed(); }        // OBSOLETE 1.39+
+    static inline ImVec2    GetItemBoxMin() { return GetItemRectMin(); }                       // OBSOLETE 1.36+
+    static inline ImVec2    GetItemBoxMax() { return GetItemRectMax(); }                       // OBSOLETE 1.36+
+    static inline bool      IsClipped(const ImVec2& size) { return !IsRectVisible(size); }     // OBSOLETE 1.38+
+    static inline bool      IsRectClipped(const ImVec2& size) { return !IsRectVisible(size); } // OBSOLETE 1.39+
+    static inline bool      IsMouseHoveringBox(const ImVec2& rect_min, const ImVec2& rect_max) { return IsMouseHoveringRect(rect_min, rect_max); }  // OBSOLETE 1.36+
+#endif
 
 } // namespace ImGui
 
@@ -443,13 +422,16 @@ enum ImGuiWindowFlags_
     ImGuiWindowFlags_AlwaysAutoResize       = 1 << 6,   // Resize every window to its content every frame
     ImGuiWindowFlags_ShowBorders            = 1 << 7,   // Show borders around windows and items
     ImGuiWindowFlags_NoSavedSettings        = 1 << 8,   // Never load/save settings in .ini file
+    ImGuiWindowFlags_MenuBar                = 1 << 9,   // Has a menu-bar
     // [Internal]
-    ImGuiWindowFlags_ChildWindow            = 1 << 9,   // For internal use by BeginChild()
-    ImGuiWindowFlags_ChildWindowAutoFitX    = 1 << 10,  // For internal use by BeginChild()
-    ImGuiWindowFlags_ChildWindowAutoFitY    = 1 << 11,  // For internal use by BeginChild()
-    ImGuiWindowFlags_ComboBox               = 1 << 12,  // For internal use by ComboBox()
-    ImGuiWindowFlags_Tooltip                = 1 << 13,  // For internal use by BeginTooltip()
-    ImGuiWindowFlags_Popup                  = 1 << 14   // For internal use by BeginPopup()
+    ImGuiWindowFlags_ChildWindow            = 1 << 20,  // Don't use! For internal use by BeginChild()
+    ImGuiWindowFlags_ChildWindowAutoFitX    = 1 << 21,  // Don't use! For internal use by BeginChild()
+    ImGuiWindowFlags_ChildWindowAutoFitY    = 1 << 22,  // Don't use! For internal use by BeginChild()
+    ImGuiWindowFlags_ComboBox               = 1 << 23,  // Don't use! For internal use by ComboBox()
+    ImGuiWindowFlags_Tooltip                = 1 << 24,  // Don't use! For internal use by BeginTooltip()
+    ImGuiWindowFlags_Popup                  = 1 << 25,  // Don't use! For internal use by BeginPopup()
+    ImGuiWindowFlags_Modal                  = 1 << 26,  // Don't use! For internal use by BeginPopupModal()
+    ImGuiWindowFlags_ChildMenu              = 1 << 27   // Don't use! For internal use by BeginMenu()
 };
 
 // Flags for ImGui::InputText()
@@ -465,7 +447,19 @@ enum ImGuiInputTextFlags_
     ImGuiInputTextFlags_CallbackCompletion  = 1 << 6,   // Call user function on pressing TAB (for completion handling)
     ImGuiInputTextFlags_CallbackHistory     = 1 << 7,   // Call user function on pressing Up/Down arrows (for history handling)
     ImGuiInputTextFlags_CallbackAlways      = 1 << 8,   // Call user function every time
-    ImGuiInputTextFlags_CallbackCharFilter  = 1 << 9    // Call user function to filter character. Modify data->EventChar to replace/filter input, or return 1 to discard character.
+    ImGuiInputTextFlags_CallbackCharFilter  = 1 << 9,   // Call user function to filter character. Modify data->EventChar to replace/filter input, or return 1 to discard character.
+    ImGuiInputTextFlags_AllowTabInput       = 1 << 10,  // Pressing TAB input a '\t' character into the text field
+    ImGuiInputTextFlags_CtrlEnterForNewLine = 1 << 11,  // In multi-line mode, allow exiting edition by pressing Enter. Ctrl+Enter to add new line (by default adds new lines with Enter).
+    // [Internal]
+    ImGuiInputTextFlags_Multiline           = 1 << 20   // For internal use by InputTextMultiline()
+};
+
+// Flags for ImGui::Selectable()
+enum ImGuiSelectableFlags_
+{
+    // Default: 0
+    ImGuiSelectableFlags_DontClosePopups    = 1 << 0,   // Clicking this don't close parent popup window
+    ImGuiSelectableFlags_SpanAllColumns     = 1 << 1    // Selectable frame can span all columns (text will still fit in current column)
 };
 
 // User fill ImGuiIO.KeyMap[] array with indices into the ImGuiIO.KeysDown[512] array
@@ -495,6 +489,7 @@ enum ImGuiKey_
 enum ImGuiCol_
 {
     ImGuiCol_Text,
+    ImGuiCol_TextDisabled,
     ImGuiCol_WindowBg,
     ImGuiCol_ChildWindowBg,
     ImGuiCol_Border,
@@ -504,6 +499,7 @@ enum ImGuiCol_
     ImGuiCol_FrameBgActive,
     ImGuiCol_TitleBg,
     ImGuiCol_TitleBgCollapsed,
+    ImGuiCol_MenuBarBg,
     ImGuiCol_ScrollbarBg,
     ImGuiCol_ScrollbarGrab,
     ImGuiCol_ScrollbarGrabHovered,
@@ -533,6 +529,7 @@ enum ImGuiCol_
     ImGuiCol_PlotHistogramHovered,
     ImGuiCol_TextSelectedBg,
     ImGuiCol_TooltipBg,
+    ImGuiCol_ModalWindowDarkening,  // darken entire screen when a modal window is active
     ImGuiCol_COUNT
 };
 
@@ -543,6 +540,7 @@ enum ImGuiStyleVar_
     ImGuiStyleVar_Alpha,               // float
     ImGuiStyleVar_WindowPadding,       // ImVec2
     ImGuiStyleVar_WindowRounding,      // float
+    ImGuiStyleVar_WindowMinSize,       // ImVec2
     ImGuiStyleVar_ChildWindowRounding, // float
     ImGuiStyleVar_FramePadding,        // ImVec2
     ImGuiStyleVar_FrameRounding,       // float
@@ -552,6 +550,16 @@ enum ImGuiStyleVar_
     ImGuiStyleVar_GrabMinSize          // float
 };
 
+enum ImGuiAlign_
+{
+    ImGuiAlign_Left     = 1 << 0,
+    ImGuiAlign_Center   = 1 << 1,
+    ImGuiAlign_Right    = 1 << 2,
+    ImGuiAlign_Top      = 1 << 3,
+    ImGuiAlign_VCenter  = 1 << 4,
+    ImGuiAlign_Default  = ImGuiAlign_Left | ImGuiAlign_Top,
+};
+
 // Enumeration for ColorEditMode()
 enum ImGuiColorEditMode_
 {
@@ -581,7 +589,8 @@ enum ImGuiSetCond_
 {
     ImGuiSetCond_Always        = 1 << 0, // Set the variable
     ImGuiSetCond_Once          = 1 << 1, // Only set the variable on the first call per runtime session
-    ImGuiSetCond_FirstUseEver  = 1 << 2  // Only set the variable if the window doesn't exist in the .ini file
+    ImGuiSetCond_FirstUseEver  = 1 << 2, // Only set the variable if the window doesn't exist in the .ini file
+    ImGuiSetCond_Appearing     = 1 << 3  // Only set the variable if the window is appearing after being inactive (or the first time)
 };
 
 struct ImGuiStyle
@@ -590,19 +599,21 @@ struct ImGuiStyle
     ImVec2      WindowPadding;              // Padding within a window
     ImVec2      WindowMinSize;              // Minimum window size
     float       WindowRounding;             // Radius of window corners rounding. Set to 0.0f to have rectangular windows
+    ImGuiAlign  WindowTitleAlign;           // Alignment for title bar text
     float       ChildWindowRounding;        // Radius of child window corners rounding. Set to 0.0f to have rectangular windows
     ImVec2      FramePadding;               // Padding within a framed rectangle (used by most widgets)
     float       FrameRounding;              // Radius of frame corners rounding. Set to 0.0f to have rectangular frame (used by most widgets).
     ImVec2      ItemSpacing;                // Horizontal and vertical spacing between widgets/lines
     ImVec2      ItemInnerSpacing;           // Horizontal and vertical spacing between within elements of a composed widget (e.g. a slider and its label)
     ImVec2      TouchExtraPadding;          // Expand reactive bounding box for touch-based system where touch position is not accurate enough. Unfortunately we don't sort widgets so priority on overlap will always be given to the first widget. So don't grow this too much!
-    ImVec2      AutoFitPadding;             // Extra space after auto-fit (double-clicking on resize grip)
     float       WindowFillAlphaDefault;     // Default alpha of window background, if not specified in ImGui::Begin()
     float       IndentSpacing;              // Horizontal indentation when e.g. entering a tree node
     float       ColumnsMinSpacing;          // Minimum horizontal spacing between two columns
     float       ScrollbarWidth;             // Width of the vertical scrollbar
-    float       GrabMinSize;                // Minimum width/height of a slider or scrollbar grab
-    ImVec2      DisplaySafeAreaPadding;     // Window positions are clamped to be visible within the display area. If you cannot see the edge of your screen (e.g. on a TV) increase the safe area padding.
+    float       ScrollbarRounding;          // Radius of grab corners for scrollbar
+    float       GrabMinSize;                // Minimum width/height of a grab box for slider/scrollbar
+    ImVec2      DisplayWindowPadding;       // Window positions are clamped to be visible within the display area by at least this amount. Only covers regular windows.
+    ImVec2      DisplaySafeAreaPadding;     // If you cannot see the edge of your screen (e.g. on a TV) increase the safe area padding. Covers popups/tooltips as well regular windows.
     ImVec4      Colors[ImGuiCol_COUNT];
 
     IMGUI_API ImGuiStyle();
@@ -625,6 +636,8 @@ struct ImGuiIO
     float         MouseDoubleClickMaxDist;  // = 6.0f               // Distance threshold to stay in to validate a double-click, in pixels.
     float         MouseDragThreshold;       // = 6.0f               // Distance threshold before considering we are dragging
     int           KeyMap[ImGuiKey_COUNT];   // <unset>              // Map of indices into the KeysDown[512] entries array
+    float         KeyRepeatDelay;           // = 0.250f             // When holding a key/button, time before it starts repeating, in seconds. (for actions where 'repeat' is active)
+    float         KeyRepeatRate;            // = 0.020f             // When holding a key/button, rate at which it repeats, in seconds.
     void*         UserData;                 // = NULL               // Store your own data for retrieval by callbacks.
 
     ImFontAtlas*  Fonts;                    // <auto>               // Load and assemble one or more fonts into a single tightly packed texture. Output to Fonts array.
@@ -680,7 +693,9 @@ struct ImGuiIO
     bool        WantCaptureMouse;           // Mouse is hovering a window or widget is active (= ImGui will use your mouse input)
     bool        WantCaptureKeyboard;        // Widget is active (= ImGui will use your keyboard input)
     float       Framerate;                  // Framerate estimation, in frame per second. Rolling average estimation based on IO.DeltaTime over 120 frames
+    int         MetricsAllocs;              // Number of active memory allocations
     int         MetricsRenderVertices;      // Vertices processed during last call to Render()
+    int         MetricsActiveWindows;       // Number of visible windows (exclude child windows)
 
     //------------------------------------------------------------------
     // [Internal] ImGui will maintain those fields for you
@@ -692,10 +707,13 @@ struct ImGuiIO
     ImVec2      MouseClickedPos[5];         // Position at time of clicking
     float       MouseClickedTime[5];        // Time of last click (used to figure out double-click)
     bool        MouseDoubleClicked[5];      // Has mouse button been double-clicked?
+    bool        MouseReleased[5];           // Mouse button went from Down to !Down
     bool        MouseDownOwned[5];          // Track if button was clicked inside a window. We don't request mouse capture from the application if click started outside ImGui bounds.
-    float       MouseDownTime[5];           // Time the mouse button has been down
+    float       MouseDownDuration[5];       // Duration the mouse button has been down (0.0f == just clicked)
+    float       MouseDownDurationPrev[5];   // Previous time the mouse button has been down
     float       MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the click point
-    float       KeysDownTime[512];          // Time the keyboard key has been down
+    float       KeysDownDuration[512];      // Duration the keyboard key has been down (0.0f == just pressed)
+    float       KeysDownDurationPrev[512];  // Previous duration the key has been down
 
     IMGUI_API   ImGuiIO();
 };
@@ -704,6 +722,67 @@ struct ImGuiIO
 // Helpers
 //-----------------------------------------------------------------------------
 
+// Lightweight std::vector<> like class to avoid dragging dependencies (also: windows implementation of STL with debug enabled is absurdly slow, so let's bypass it so our code runs fast in debug). 
+// Use '#define ImVector std::vector' if you want to use the STL type or your own type.
+// Our implementation does NOT call c++ constructors because we don't use them in ImGui. Don't use this class as a straight std::vector replacement in your code!
+#ifndef ImVector
+template<typename T>
+class ImVector
+{
+protected:
+    size_t                      Size;
+    size_t                      Capacity;
+    T*                          Data;
+
+public:
+    typedef T                   value_type;
+    typedef value_type*         iterator;
+    typedef const value_type*   const_iterator;
+
+    ImVector()                  { Size = Capacity = 0; Data = NULL; }
+    ~ImVector()                 { if (Data) ImGui::MemFree(Data); }
+
+    inline bool                 empty() const                   { return Size == 0; }
+    inline size_t               size() const                    { return Size; }
+    inline size_t               capacity() const                { return Capacity; }
+
+    inline value_type&          at(size_t i)                    { IM_ASSERT(i < Size); return Data[i]; }
+    inline const value_type&    at(size_t i) const              { IM_ASSERT(i < Size); return Data[i]; }
+    inline value_type&          operator[](size_t i)            { IM_ASSERT(i < Size); return Data[i]; }
+    inline const value_type&    operator[](size_t i) const      { IM_ASSERT(i < Size); return Data[i]; }
+
+    inline void                 clear()                         { if (Data) { Size = Capacity = 0; ImGui::MemFree(Data); Data = NULL; } }
+    inline iterator             begin()                         { return Data; }
+    inline const_iterator       begin() const                   { return Data; }
+    inline iterator             end()                           { return Data + Size; }
+    inline const_iterator       end() const                     { return Data + Size; }
+    inline value_type&          front()                         { IM_ASSERT(Size > 0); return Data[0]; }
+    inline const value_type&    front() const                   { IM_ASSERT(Size > 0); return Data[0]; }
+    inline value_type&          back()                          { IM_ASSERT(Size > 0); return Data[Size-1]; }
+    inline const value_type&    back() const                    { IM_ASSERT(Size > 0); return Data[Size-1]; }
+    inline void                 swap(ImVector<T>& rhs)          { const size_t rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; const size_t rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; value_type* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }
+
+    inline size_t               _grow_capacity(size_t new_size) { size_t new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > new_size ? new_capacity : new_size; }
+
+    inline void                 resize(size_t new_size)         { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; }
+    inline void                 reserve(size_t new_capacity)    
+    { 
+        if (new_capacity <= Capacity) return;
+        T* new_data = (value_type*)ImGui::MemAlloc(new_capacity * sizeof(value_type));
+        memcpy(new_data, Data, Size * sizeof(value_type));
+        ImGui::MemFree(Data);
+        Data = new_data;
+        Capacity = new_capacity; 
+    }
+
+    inline void                 push_back(const value_type& v)  { if (Size == Capacity) reserve(_grow_capacity(Size+1)); Data[Size++] = v; }
+    inline void                 pop_back()                      { IM_ASSERT(Size > 0); Size--; }
+
+    inline iterator             erase(const_iterator it)        { IM_ASSERT(it >= begin() && it < end()); const ptrdiff_t off = it - begin(); memmove(Data + off, Data + off + 1, (Size - (size_t)off - 1) * sizeof(value_type)); Size--; return Data + off; }
+    inline iterator             insert(const_iterator it, const value_type& v)  { IM_ASSERT(it >= begin() && it <= end()); const ptrdiff_t off = it - begin(); if (Size == Capacity) reserve(Capacity ? Capacity * 2 : 4); if (off < (int)Size) memmove(Data + off + 1, Data + off, (Size - (size_t)off) * sizeof(value_type)); Data[off] = v; Size++; return Data + off; }
+};
+#endif // #ifndef ImVector
+
 // Helper: execute a block of code once a frame only
 // Convenient if you want to quickly create an UI within deep-nested code that runs multiple times every frame.
 // Usage:
@@ -804,6 +883,7 @@ struct ImGuiStorage
     // - You can also use this to quickly create temporary editable values during a session of using Edit&Continue, without restarting your application.
     IMGUI_API int*    GetIntRef(ImGuiID key, int default_val = 0);
     IMGUI_API float*  GetFloatRef(ImGuiID key, float default_val = 0);
+    IMGUI_API void**  GetVoidPtrRef(ImGuiID key, void* default_val = NULL);
 
     // Use on your own storage if you know only integer are being stored (open/close all tree nodes)
     IMGUI_API void    SetAllInt(int val);
@@ -848,6 +928,38 @@ struct ImColor
     static ImColor HSV(float h, float s, float v, float a = 1.0f)   { float r,g,b; ImGui::ColorConvertHSVtoRGB(h, s, v, r, g, b); return ImColor(r,g,b,a); }
 };
 
+// Helper: Manually clip large list of items.
+// If you are displaying thousands of even spaced items and you have a random access to the list, you can perform clipping yourself to save on CPU.
+// Usage:
+//    ImGuiListClipper clipper(count, ImGui::GetTextLineHeightWithSpacing());
+//    for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) // display only visible items
+//        ImGui::Text("line number %d", i);
+//    clipper.End();
+struct ImGuiListClipper
+{
+    float ItemsHeight;
+    int ItemsCount, DisplayStart, DisplayEnd;
+
+    ImGuiListClipper()                         { ItemsHeight = 0.0f; ItemsCount = DisplayStart = DisplayEnd = -1; }
+    ImGuiListClipper(int count, float height)  { ItemsCount = -1; Begin(count, height); }
+    ~ImGuiListClipper()                        { IM_ASSERT(ItemsCount == -1); } // user forgot to call End()
+
+    void Begin(int count, float height)        // items_height: generally pass GetTextLineHeightWithSpacing() or GetItemsLineHeightWithSpacing()
+    {
+        IM_ASSERT(ItemsCount == -1);
+        ItemsCount = count;
+        ItemsHeight = height;
+        ImGui::CalcListClipping(ItemsCount, ItemsHeight, &DisplayStart, &DisplayEnd); // calculate how many to clip/display
+        ImGui::SetCursorPosY(ImGui::GetCursorPosY() + DisplayStart * ItemsHeight);    // advance cursor
+    }
+    void End()
+    {
+        IM_ASSERT(ItemsCount >= 0);
+        ImGui::SetCursorPosY(ImGui::GetCursorPosY() + (ItemsCount - DisplayEnd) * ItemsHeight); // advance cursor
+        ItemsCount = -1;
+    }
+};
+
 //-----------------------------------------------------------------------------
 // Draw List
 // Hold a series of drawing commands. The user provides a renderer for ImDrawList.
@@ -924,7 +1036,7 @@ struct ImDrawList
     IMGUI_API void  AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12);
     IMGUI_API void  AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12);
     IMGUI_API void  AddArcFast(const ImVec2& center, float radius, ImU32 col, int a_min_12, int a_max_12, bool filled = false, const ImVec2& third_point_offset = ImVec2(0,0)); // Angles in 0..12 range
-    IMGUI_API void  AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec2* cpu_clip_max = NULL);
+    IMGUI_API void  AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec4* cpu_fine_clip_rect = NULL);
     IMGUI_API void  AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv0, const ImVec2& uv1, ImU32 col = 0xFFFFFFFF);
 
     // Advanced
@@ -957,10 +1069,12 @@ struct ImFontAtlas
     IMGUI_API ~ImFontAtlas();
     IMGUI_API ImFont*           AddFontDefault();
     IMGUI_API ImFont*           AddFontFromFileTTF(const char* filename, float size_pixels, const ImWchar* glyph_ranges = NULL, int font_no = 0);
-    IMGUI_API ImFont*           AddFontFromMemoryTTF(void* in_ttf_data, unsigned int in_ttf_data_size, float size_pixels, const ImWchar* glyph_ranges = NULL, int font_no = 0); // Pass ownership of 'in_ttf_data' memory, will be deleted after build
-    IMGUI_API ImFont*           AddFontFromMemoryCompressedTTF(const void* in_compressed_ttf_data, unsigned int in_compressed_ttf_data_size, float size_pixels, const ImWchar* glyph_ranges = NULL, int font_no = 0); // 'in_compressed_ttf_data' untouched and still owned by caller. compress with binary_to_compressed_c.
-    IMGUI_API void              ClearTexData();             // Saves RAM once the texture has been copied to graphics memory.
-    IMGUI_API void              Clear();
+    IMGUI_API ImFont*           AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImWchar* glyph_ranges = NULL, int font_no = 0); // Transfer ownership of 'ttf_data' to ImFontAtlas, will be deleted after Build()
+    IMGUI_API ImFont*           AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImWchar* glyph_ranges = NULL, int font_no = 0); // 'compressed_ttf_data' untouched and still owned by caller. Compress with binary_to_compressed_c.cpp
+    IMGUI_API void              ClearTexData();             // Clear the CPU-side texture data. Saves RAM once the texture has been copied to graphics memory.
+    IMGUI_API void              ClearInputData();           // Clear the input TTF data (inc sizes, glyph ranges)
+    IMGUI_API void              ClearFonts();               // Clear the ImGui-side font data (glyphs storage, UV coordinates)
+    IMGUI_API void              Clear();                    // Clear all
 
     // Retrieve texture data
     // User is in charge of copying the pixels into graphics memory, then call SetTextureUserID()
@@ -976,6 +1090,7 @@ struct ImFontAtlas
     IMGUI_API const ImWchar*    GetGlyphRangesDefault();    // Basic Latin, Extended Latin
     IMGUI_API const ImWchar*    GetGlyphRangesJapanese();   // Default + Hiragana, Katakana, Half-Width, Selection of 1946 Ideographs
     IMGUI_API const ImWchar*    GetGlyphRangesChinese();    // Japanese + full set of about 21000 CJK Unified Ideographs
+    IMGUI_API const ImWchar*    GetGlyphRangesCyrillic();   // Default + about 400 Cyrillic characters
 
     // Members
     // (Access texture data via GetTexData*() calls which will setup a default font for you.)
@@ -991,7 +1106,6 @@ struct ImFontAtlas
     struct ImFontAtlasData;
     ImVector<ImFontAtlasData*>  InputData;          // Internal data
     IMGUI_API bool              Build();            // Build pixels data. This is automatically for you by the GetTexData*** functions.
-    IMGUI_API void              ClearInputData();   // Clear the input TTF data.
     IMGUI_API void              RenderCustomTexData(int pass, void* rects);
 };
 
@@ -1015,6 +1129,8 @@ struct ImFont
         signed short    XOffset, YOffset;
         float           U0, V0, U1, V1;     // Texture coordinates
     };
+    float               Ascent;             // Distance from top to bottom of e.g. 'A' [0..FontSize]
+    float               Descent;            // 
     ImFontAtlas*        ContainerAtlas;     // What we has been loaded into
     ImVector<Glyph>     Glyphs;
     const Glyph*        FallbackGlyph;      // == FindGlyph(FontFallbackChar)
@@ -1027,16 +1143,16 @@ struct ImFont
     IMGUI_API ~ImFont();
     IMGUI_API void              Clear();
     IMGUI_API void              BuildLookupTable();
+    IMGUI_API float             GetCharAdvance(unsigned short c) const  { return ((size_t)c < IndexXAdvance.size()) ? IndexXAdvance[(size_t)c] : FallbackXAdvance; }
     IMGUI_API const Glyph*      FindGlyph(unsigned short c) const;
     IMGUI_API void              SetFallbackChar(ImWchar c);
-    IMGUI_API bool              IsLoaded() const        { return ContainerAtlas != NULL; }
+    IMGUI_API bool              IsLoaded() const                        { return ContainerAtlas != NULL; }
 
     // 'max_width' stops rendering after a certain width (could be turned into a 2d size). FLT_MAX to disable.
     // 'wrap_width' enable automatic word-wrapping across multiple lines to fit into given width. 0.0f to disable.
     IMGUI_API ImVec2            CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const; // utf8
-    IMGUI_API ImVec2            CalcTextSizeW(float size, float max_width, const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL) const;                 // wchar
-    IMGUI_API void              RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, ImDrawList* draw_list, float wrap_width = 0.0f, const ImVec2* cpu_clip_max = NULL) const;
     IMGUI_API const char*       CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const;
+    IMGUI_API void              RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, ImDrawList* draw_list, float wrap_width = 0.0f, bool cpu_fine_clip = false) const;
 };
 
 //---- Include imgui_user.h at the end of imgui.h

stb_truetype.h

@@ -1,7 +1,7 @@
-// [ImGui] this is a slightly modified version of stb_truetype.h 1.02
+// [ImGui] this is a slightly modified version of stb_truetype.h 1.05
 // [ImGui] we added stbtt_PackFontRangesGatherRects() and stbtt_PackFontRangesRenderIntoRects() and modified stbtt_PackBegin()
 
-// stb_truetype.h - v1.02 - public domain
+// stb_truetype.h - v1.05 - public domain
 // authored from 2009-2014 by Sean Barrett / RAD Game Tools
 //
 //   This library processes TrueType files:
@@ -37,12 +37,20 @@
 //       Johan Duparc
 //       Hou Qiming
 //       Fabian "ryg" Giesen
+//       Martins Mozeiko
+//       Cap Petschulat
+//       Omar Cornut
+//       github:aloucks
+//       Peter LaValle
 //
 //   Misc other:
 //       Ryan Gordon
 //
 // VERSION HISTORY
 //
+//   1.05 (2015-04-15) fix misplaced definitions for STBTT_STATIC
+//   1.04 (2015-04-15) typo in example
+//   1.03 (2015-04-12) STBTT_STATIC, fix memory leak in new packing, various fixes
 //   1.02 (2014-12-10) fix various warnings & compile issues w/ stb_rect_pack, C++
 //   1.01 (2014-12-08) fix subpixel position when oversampling to exactly match
 //                        non-oversampled; STBTT_POINT_SIZE for packed case only
@@ -86,6 +94,9 @@
 //   before the #include of this file. This expands out the actual
 //   implementation into that C/C++ file.
 //
+//   To make the implementation private to the file that generates the implementation,
+//      #define STBTT_STATIC
+//
 //   Simple 3D API (don't ship this, but it's fine for tools and quick start)
 //           stbtt_BakeFontBitmap()               -- bake a font to a bitmap for use as texture
 //           stbtt_GetBakedQuad()                 -- compute quad to draw for a given char
@@ -225,16 +236,16 @@
 #define STB_TRUETYPE_IMPLEMENTATION  // force following include to generate implementation
 #include "stb_truetype.h"
 
-char ttf_buffer[1<<20];
+unsigned char ttf_buffer[1<<20];
 unsigned char temp_bitmap[512*512];
 
 stbtt_bakedchar cdata[96]; // ASCII 32..126 is 95 glyphs
-GLstbtt_uint ftex;
+GLuint ftex;
 
 void my_stbtt_initfont(void)
 {
    fread(ttf_buffer, 1, 1<<20, fopen("c:/windows/fonts/times.ttf", "rb"));
-   stbtt_BakeFontBitmap(data,0, 32.0, temp_bitmap,512,512, 32,96, cdata); // no guarantee this fits!
+   stbtt_BakeFontBitmap(ttf_buffer,0, 32.0, temp_bitmap,512,512, 32,96, cdata); // no guarantee this fits!
    // can free ttf_buffer at this point
    glGenTextures(1, &ftex);
    glBindTexture(GL_TEXTURE_2D, ftex);
@@ -246,6 +257,7 @@ void my_stbtt_initfont(void)
 void my_stbtt_print(float x, float y, char *text)
 {
    // assume orthographic projection with units = screen pixels, origin at top left
+   glEnable(GL_TEXTURE_2D);
    glBindTexture(GL_TEXTURE_2D, ftex);
    glBegin(GL_QUADS);
    while (*text) {
@@ -379,12 +391,6 @@ int main(int arg, char **argv)
    typedef char stbtt__check_size32[sizeof(stbtt_int32)==4 ? 1 : -1];
    typedef char stbtt__check_size16[sizeof(stbtt_int16)==2 ? 1 : -1];
 
-   #ifdef STBTT_STATIC
-   #define STBTT_DEF static
-   #else
-   #define STBTT_DEF extern
-   #endif
-
    // #define your own STBTT_sort() to override this to avoid qsort
    #ifndef STBTT_sort
    #include <stdlib.h>
@@ -437,6 +443,12 @@ int main(int arg, char **argv)
 #ifndef __STB_INCLUDE_STB_TRUETYPE_H__
 #define __STB_INCLUDE_STB_TRUETYPE_H__
 
+#ifdef STBTT_STATIC
+#define STBTT_DEF static
+#else
+#define STBTT_DEF extern
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -1059,7 +1071,6 @@ STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codep
       stbtt_uint16 searchRange = ttUSHORT(data+index_map+8) >> 1;
       stbtt_uint16 entrySelector = ttUSHORT(data+index_map+10);
       stbtt_uint16 rangeShift = ttUSHORT(data+index_map+12) >> 1;
-      stbtt_uint16 item, offset, start, end;
 
       // do a binary search of the segments
       stbtt_uint32 endCount = index_map + 14;
@@ -1076,8 +1087,8 @@ STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codep
       // now decrement to bias correctly to find smallest
       search -= 2;
       while (entrySelector) {
+         stbtt_uint16 end;
          searchRange >>= 1;
-         start = ttUSHORT(data + search + searchRange*2 + segcount*2 + 2);
          end = ttUSHORT(data + search + searchRange*2);
          if (unicode_codepoint > end)
             search += searchRange*2;
@@ -1085,19 +1096,21 @@ STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codep
       }
       search += 2;
 
-      item = (stbtt_uint16) ((search - endCount) >> 1);
+      {
+         stbtt_uint16 offset, start;
+         stbtt_uint16 item = (stbtt_uint16) ((search - endCount) >> 1);
 
-      STBTT_assert(unicode_codepoint <= ttUSHORT(data + endCount + 2*item));
-      start = ttUSHORT(data + index_map + 14 + segcount*2 + 2 + 2*item);
-      end = ttUSHORT(data + index_map + 14 + 2 + 2*item);
-      if (unicode_codepoint < start)
-         return 0;
+         STBTT_assert(unicode_codepoint <= ttUSHORT(data + endCount + 2*item));
+         start = ttUSHORT(data + index_map + 14 + segcount*2 + 2 + 2*item);
+         if (unicode_codepoint < start)
+            return 0;
 
-      offset = ttUSHORT(data + index_map + 14 + segcount*6 + 2 + 2*item);
-      if (offset == 0)
-         return (stbtt_uint16) (unicode_codepoint + ttSHORT(data + index_map + 14 + segcount*4 + 2 + 2*item));
+         offset = ttUSHORT(data + index_map + 14 + segcount*6 + 2 + 2*item);
+         if (offset == 0)
+            return (stbtt_uint16) (unicode_codepoint + ttSHORT(data + index_map + 14 + segcount*4 + 2 + 2*item));
 
-      return ttUSHORT(data + offset + (unicode_codepoint-start)*2 + index_map + 14 + segcount*6 + 2 + 2*item);
+         return ttUSHORT(data + offset + (unicode_codepoint-start)*2 + index_map + 14 + segcount*6 + 2 + 2*item);
+      }
    } else if (format == 12 || format == 13) {
       stbtt_uint32 ngroups = ttULONG(data+index_map+12);
       stbtt_int32 low,high;
@@ -2054,8 +2067,8 @@ STBTT_DEF void stbtt_GetBakedQuad(stbtt_bakedchar *chardata, int pw, int ph, int
    float d3d_bias = opengl_fillrule ? 0 : -0.5f;
    float ipw = 1.0f / pw, iph = 1.0f / ph;
    stbtt_bakedchar *b = chardata + char_index;
-   int round_x = STBTT_ifloor((*xpos + b->xoff) + 0.5);
-   int round_y = STBTT_ifloor((*ypos + b->yoff) + 0.5);
+   int round_x = STBTT_ifloor((*xpos + b->xoff) + 0.5f);
+   int round_y = STBTT_ifloor((*ypos + b->yoff) + 0.5f);
 
    q->x0 = round_x + d3d_bias;
    q->y0 = round_y + d3d_bias;
@@ -2209,7 +2222,7 @@ static void stbtt__h_prefilter(unsigned char *pixels, int w, int h, int stride_i
    for (j=0; j < h; ++j) {
       int i;
       unsigned int total;
-      memset(buffer, 0, kernel_width);
+      STBTT_memset(buffer, 0, kernel_width);
 
       total = 0;
 
@@ -2263,7 +2276,7 @@ static void stbtt__v_prefilter(unsigned char *pixels, int w, int h, int stride_i
    for (j=0; j < w; ++j) {
       int i;
       unsigned int total;
-      memset(buffer, 0, kernel_width);
+      STBTT_memset(buffer, 0, kernel_width);
 
       total = 0;
 
@@ -2333,7 +2346,7 @@ STBTT_DEF int stbtt_PackFontRangesGatherRects(stbtt_pack_context *spc, stbtt_fon
       for (j=0; j < ranges[i].num_chars_in_range; ++j) {
          int x0,y0,x1,y1;
 		 int glyph = stbtt_FindGlyphIndex(info,ranges[i].first_unicode_char_in_range + j);
-		 if (glyph) {
+         if (glyph) {
             stbtt_GetGlyphBitmapBoxSubpixel(info,glyph,
                                             scale * spc->h_oversample,
                                             scale * spc->v_oversample,
@@ -2341,10 +2354,10 @@ STBTT_DEF int stbtt_PackFontRangesGatherRects(stbtt_pack_context *spc, stbtt_fon
                                             &x0,&y0,&x1,&y1);
             rects[k].w = (stbrp_coord) (x1-x0 + spc->padding + spc->h_oversample-1);
             rects[k].h = (stbrp_coord) (y1-y0 + spc->padding + spc->v_oversample-1);
-		 } else {
+         } else {
             rects[k].w = rects[k].h = 1;
          }
-		 ++k;
+         ++k;
       }
    }
 
@@ -2453,6 +2466,7 @@ STBTT_DEF int stbtt_PackFontRanges(stbtt_pack_context *spc, unsigned char *fontd
   
    return_value = stbtt_PackFontRangesRenderIntoRects(spc, &info, ranges, num_ranges, rects);
 
+   STBTT_free(rects, spc->user_allocator_context);
    return return_value;
 }
 
@@ -2473,8 +2487,8 @@ STBTT_DEF void stbtt_GetPackedQuad(stbtt_packedchar *chardata, int pw, int ph, i
    stbtt_packedchar *b = chardata + char_index;
 
    if (align_to_integer) {
-      float x = (float) STBTT_ifloor((*xpos + b->xoff) + 0.5);
-      float y = (float) STBTT_ifloor((*ypos + b->yoff) + 0.5);
+      float x = (float) STBTT_ifloor((*xpos + b->xoff) + 0.5f);
+      float y = (float) STBTT_ifloor((*ypos + b->yoff) + 0.5f);
       q->x0 = x;
       q->y0 = y;
       q->x1 = x + b->xoff2 - b->xoff;