update to (c)imgui 1.49

src/ImGui.NET/Font.cs

@@ -21,8 +21,16 @@ namespace ImGuiNET
     [StructLayout(LayoutKind.Sequential)]
     public unsafe struct NativeFont
     {
-        // Members: Settings
+        [StructLayout(LayoutKind.Sequential)]
+        public struct Glyph
+        {
+            public ushort Codepoint;
+            public float XAdvance;
+            public float X0, Y0, X1, Y1;
+            public float U0, V0, U1, V1;     // Texture coordinates
+        };
 
+        // Members: Hot ~62/78 bytes
         /// <summary>
         /// Height of characters, set during loading (don't change after loading).
         /// Default value: [user-set]
@@ -39,55 +47,49 @@ namespace ImGuiNET
         /// </summary>
         public Vector2 DisplayOffset;
         /// <summary>
-        /// Replacement glyph if one isn't found. Only set via SetFallbackChar()
+        /// ImVector(Glyph)
-        /// Default value: '?'
         /// </summary>
-        public ushort FallbackChar;
+        public ImVector Glyphs;
 
         /// <summary>
-        /// ImFontConfig*. Pointer within ImFontAtlas->ConfigData
+        /// Sparse. Glyphs->XAdvance directly indexable (more cache-friendly that reading from Glyphs,
+        /// for CalcTextSize functions which are often bottleneck in large UI).
         /// </summary>
-        public IntPtr ConfigData;
+        public ImVector IndexXAdvance;
-        public int ConfigDataCount;
-
-        // Members: Runtime data
-        [StructLayout(LayoutKind.Sequential)]
-        public struct Glyph
-        {
-            public ushort Codepoint;
-            public float XAdvance;
-            public float X0, Y0, X1, Y1;
-            public float U0, V0, U1, V1;     // Texture coordinates
-        };
 
         /// <summary>
-        /// Ascent: distance from top to bottom of e.g. 'A' [0..FontSize]
+        /// Sparse. Index glyphs by Unicode code-point.
         /// </summary>
-        public float Ascent, Descent;
+        public ImVector IndexLookup;
 
         /// <summary>
-        /// ImFontAtlas*
+        /// Equivalent to FindGlyph(FontFallbackChar)
         /// </summary>
-        public IntPtr ContainerAtlas;     // What we has been loaded into
+        public Glyph* FallbackGlyph;
+        public float FallbackXAdvance;
 
         /// <summary>
-        /// ImVector(Glyph)
+        /// Replacement glyph if one isn't found. Only set via SetFallbackChar()
+        /// Default value: '?'
         /// </summary>
-        public ImVector Glyphs;
+        public ushort FallbackChar;
+
+        // Members: Cold ~18/26 bytes
+        public int ConfigDataCount;
+
         /// <summary>
-        /// Equivalent to FindGlyph(FontFallbackChar)
+        /// ImFontConfig*. Pointer within ImFontAtlas->ConfigData
         /// </summary>
-        public Glyph* FallbackGlyph;
+        public IntPtr ConfigData;
-        public float FallbackXAdvance;
 
         /// <summary>
-        /// Sparse. Glyphs->XAdvance directly indexable (more cache-friendly that reading from Glyphs,
+        /// ImFontAtlas*
-        /// for CalcTextSize functions which are often bottleneck in large UI).
         /// </summary>
-        public ImVector IndexXAdvance;
+        public IntPtr ContainerAtlas;     // What we has been loaded into
+
         /// <summary>
-        /// Sparse. Index glyphs by Unicode code-point.
+        /// Ascent: distance from top to bottom of e.g. 'A' [0..FontSize]
         /// </summary>
-        public ImVector IndexLookup;
+        public float Ascent, Descent;
     };
 }

src/ImGui.NET/ImGui.cs

@@ -140,9 +140,16 @@ namespace ImGuiNET
             return ImGuiNative.igImageButton(userTextureID, size, uv0, uv1, framePadding, backgroundColor, tintColor);
         }
 
+        //obsolete!
         public static bool CollapsingHeader(string label, string id, bool displayFrame, bool defaultOpen)
         {   
-            return ImGuiNative.igCollapsingHeader(label, id, displayFrame, defaultOpen);
+            int default_open_flags = 1 << 5;
+            return ImGuiNative.igCollapsingHeader(label, (defaultOpen ? default_open_flags : 0));
+        }
+
+        public static bool CollapsingHeader(string label, int flags)
+        {
+            return ImGuiNative.igCollapsingHeader(label, flags);
         }
 
         public static bool Checkbox(string label, ref bool value)

src/ImGui.NET/ImGuiNative.cs

@@ -71,10 +71,6 @@ namespace ImGuiNET
         [DllImport(cimguiLib)]
         public static extern DrawList* igGetWindowDrawList();
         [DllImport(cimguiLib)]
-        public static extern NativeFont* igGetWindowFont();
-        [DllImport(cimguiLib)]
-        public static extern float igGetWindowFontSize();
-        [DllImport(cimguiLib)]
         public static extern void igSetWindowFontScale(float scale);
         [DllImport(cimguiLib)]
         public static extern void igGetWindowPos(out Vector2 @out);
@@ -103,13 +99,13 @@ namespace ImGuiNET
         [DllImport(cimguiLib)]
         public static extern void igSetNextWindowFocus();
         [DllImport(cimguiLib)] 
-        public static extern void igSetWindowPos(Vector2 pos, SetCondition cond);
+        public static extern void igSetWindowPos(Vector2 pos, SetCondition cond);  //(not recommended)
         [DllImport(cimguiLib)]
-        public static extern void igSetWindowSize(Vector2 size, SetCondition cond);
+        public static extern void igSetWindowSize(Vector2 size, SetCondition cond); //(not recommended)
         [DllImport(cimguiLib)]
-        public static extern void igSetWindowCollapsed(bool collapsed, SetCondition cond);
+        public static extern void igSetWindowCollapsed(bool collapsed, SetCondition cond); //(not recommended)
         [DllImport(cimguiLib)]
-        public static extern void igSetWindowFocus();
+        public static extern void igSetWindowFocus(); //(not recommended)
         [DllImport(cimguiLib)]
         public static extern void igSetWindowPosByName(string name, Vector2 pos, SetCondition cond);
         [DllImport(cimguiLib)]
@@ -160,6 +156,10 @@ namespace ImGuiNET
         public static extern void igPushStyleVarVec(StyleVar idx, Vector2 val);
         [DllImport(cimguiLib)]
         public static extern void igPopStyleVar(int count);
+        [DllImport(cimguiLib)]
+        public static extern NativeFont* igGetFont();
+        [DllImport(cimguiLib)]
+        public static extern float igGetFontSize();
 
         // Parameters stacks (current window)
         [DllImport(cimguiLib)]
@@ -298,9 +298,6 @@ namespace ImGuiNET
         public static extern bool igImageButton(IntPtr user_texture_id, Vector2 size, Vector2 uv0, Vector2 uv1, int frame_padding, Vector4 bg_col, Vector4 tint_col);
         [DllImport(cimguiLib)]
         [return: MarshalAs(UnmanagedType.I1)]
-        public static extern bool igCollapsingHeader(string label, string str_id, bool display_frame, bool default_open);
-        [DllImport(cimguiLib)]
-        [return: MarshalAs(UnmanagedType.I1)]
         public static extern bool igCheckbox(string label, ref bool v);
         [DllImport(cimguiLib)]
         [return: MarshalAs(UnmanagedType.I1)]
@@ -471,6 +468,12 @@ namespace ImGuiNET
         public static extern void igTreePop();
         [DllImport(cimguiLib)]
         public static extern void igSetNextTreeNodeOpened(bool opened, SetCondition cond);
+        [DllImport(cimguiLib)]
+        [return: MarshalAs(UnmanagedType.I1)]
+        public static extern bool igCollapsingHeader(string label, int flags);  //ImGuiTreeNodeFlags
+        [DllImport(cimguiLib)]
+        [return: MarshalAs(UnmanagedType.I1)]
+        public static extern bool igCollapsingHeader(string label, ref bool p_open, int flags);  //ImGuiTreeNodeFlags
 
         // Widgets: Selectable / Lists
         [DllImport(cimguiLib)]
@@ -645,12 +648,6 @@ namespace ImGuiNET
         public static extern float igGetTime();
         [DllImport(cimguiLib)]
         public static extern int igGetFrameCount();
-
-        internal static void igPushFont(object nativeFont)
-        {
-            throw new NotImplementedException();
-        }
-
         [DllImport(cimguiLib)]
         public static extern string igGetStyleColName(ColorTarget idx);
         [DllImport(cimguiLib)]
@@ -738,12 +735,12 @@ namespace ImGuiNET
         // public state access - if you want to share ImGui state between modules (e.g. DLL) or allocate it yourself
         [DllImport(cimguiLib)]
         public static extern string igGetVersion();
-        [DllImport(cimguiLib)]
+        /*
-        public static extern void* igGetpublicState();
+        CIMGUI_API struct ImGuiContext*    igCreateContext(void* (*malloc_fn)(size_t), void (*free_fn)(void*));
-        [DllImport(cimguiLib)]
+        CIMGUI_API void                    igDestroyContext(struct ImGuiContext* ctx);
-        public static extern uint igGetpublicStateSize();
+        CIMGUI_API struct ImGuiContext*    igGetCurrentContext();
-        [DllImport(cimguiLib)]
+        CIMGUI_API void                    igSetCurrentContext(struct ImGuiContext* ctx);
-        public static extern void igSetpublicState(void* state, bool construct);
+        */
 
 
         [DllImport(cimguiLib)]

src/ImGui.NET/NativeIO.cs

@@ -105,6 +105,12 @@ namespace ImGuiNET
         /// </summary>
         public Vector2 DisplayVisibleMax;        // <unset> (0.0f,0.0f)  // If the values are the same, we defaults to Min=(0.0f) and Max=DisplaySize
 
+        public byte WordMovementUsesAltKey;   // = defined(__APPLE__) // OS X style: Text editing cursor movement using Alt instead of Ctrl
+        public byte ShortcutsUseSuperKey;     // = defined(__APPLE__) // OS X style: Shortcuts using Cmd/Super instead of Ctrl
+        public byte DoubleClickSelectsWord;   // = defined(__APPLE__) // OS X style: Double click selects by word instead of selecting whole text
+        public byte MultiSelectUsesSuperKey;  // = defined(__APPLE__) // OS X style: Multi-selection in lists uses Cmd/Super instead of Ctrl [unused yet]
+
+
         //------------------------------------------------------------------
         // User Functions
         //------------------------------------------------------------------
@@ -181,6 +187,7 @@ namespace ImGuiNET
         /// Keyboard modifier pressed: Alt
         /// </summary>
         public byte KeyAlt;
+        public byte KeySuper;
         /// <summary>
         /// Keyboard keys that are pressed (in whatever storage order you naturally have access to keyboard data)
         /// </summary>

src/ImGui.NET/NativeStyle.cs

@@ -51,10 +51,6 @@ namespace ImGuiNET
         /// </summary>
         public Vector2 TouchExtraPadding;
         /// <summary>
-        /// Default alpha of window background, if not specified in ImGui::Begin().
-        /// </summary>
-        public float WindowFillAlphaDefault;
-        /// <summary>
         /// Horizontal indentation when e.g. entering a tree node
         /// </summary>
         public float IndentSpacing;

src/ImGui.NET/Style.cs

@@ -110,15 +110,6 @@ namespace ImGuiNET
             set { _stylePtr->TouchExtraPadding = value; }
         }
 
-        /// <summary>
-        /// Default alpha of window background, if not specified in ImGui::Begin().
-        /// </summary>
-        public float WindowFillAlphaDefault
-        {
-            get { return _stylePtr->WindowFillAlphaDefault; }
-            set { _stylePtr->WindowFillAlphaDefault = value; }
-        }
-
         /// <summary>
         /// Horizontal indentation when e.g. entering a tree node
         /// </summary>

src/ImGui.NET/TextEditCallbackData.cs

@@ -39,6 +39,8 @@ namespace ImGuiNET
         /// Current text. Read-write (pointed data only). char* in native code.
         /// </summary>
         public IntPtr Buf;
+
+        public int BufTextLen;
         /// <summary>
         /// Read-only.
         /// </summary>