Update to imgui 1.52 (no native binary updates).

src/ImGui.NET.SampleProgram/MemoryEditor.cs

@@ -162,7 +162,7 @@ namespace ImGuiNET
                     else
                     {
                         ImGui.Text(FixedHex(mem_data[addr], 2));
-                        if (AllowEdits && ImGui.IsLastItemHovered() && ImGui.IsMouseClicked(0))
+                        if (AllowEdits && ImGui.IsItemHovered(HoveredFlags.Default) && ImGui.IsMouseClicked(0))
                         {
                             DataEditingTakeFocus = true;
                             DataEditingAddr = addr;
@@ -197,7 +197,7 @@ namespace ImGuiNET
 
             ImGui.Separator();
                 
-            ImGuiNative.igAlignFirstTextHeightToWidgets();
+            ImGuiNative.igAlignTextToFramePadding();
             ImGui.PushItemWidth(50);
             ImGuiNative.igPushAllowKeyboardFocus(false);
             int rows_backup = Rows;

src/ImGui.NET.SampleProgram/SampleWindow.cs

@@ -203,7 +203,7 @@ namespace ImGuiNET
             ImGui.GetStyle().WindowRounding = 0;
 
             ImGui.SetNextWindowSize(new System.Numerics.Vector2(_nativeWindow.Width - 10, _nativeWindow.Height - 20), Condition.Always);
-            ImGui.SetNextWindowPosCenter(Condition.Always);
+            ImGui.SetNextWindowPos(ImGui.GetIO().DisplaySize, Condition.Always, new System.Numerics.Vector2(1f));
             ImGui.BeginWindow("ImGUI.NET Sample Program", ref _mainWindowOpened, WindowFlags.NoResize | WindowFlags.NoTitleBar | WindowFlags.NoMove);
 
             ImGui.BeginMainMenuBar();

src/ImGui.NET/FocusedFlags.cs

@@ -0,0 +1,10 @@
+namespace ImGuiNET
+{
+    // Flags for ImGui::IsWindowFocused()
+    public enum FocusedFlags
+    {
+        ChildWindows = 1 << 0,   // IsWindowFocused(): Return true if any children of the window is focused
+        RootWindow = 1 << 1,   // IsWindowFocused(): Test from root window (top most parent of the current hierarchy)
+        RootAndChildWindows = RootWindow | ChildWindows
+    }
+}

src/ImGui.NET/FontConfig.cs

@@ -19,7 +19,7 @@ namespace ImGuiNET
         /// TTF data ownership taken by the container ImFontAtlas (will delete memory itself).
         /// Set to true.
         /// </summary>
-        public bool FontDataOwnedByAtlas;
+        public byte FontDataOwnedByAtlas;
         /// <summary>
         /// 0.
         /// Index of font within TTF file
@@ -43,7 +43,7 @@ namespace ImGuiNET
         /// Align every character to pixel boundary (if enabled, set OversampleH/V to 1).
         /// Set to false.
         /// </summary>
-        public bool PixelSnapH;
+        public byte PixelSnapH;
         /// <summary>
         /// Extra spacing (in pixels) between glyphs.
         /// Set to (0, 0).
@@ -62,7 +62,17 @@ namespace ImGuiNET
         /// Merge into previous ImFont, so you can combine multiple inputs font into one ImFont (e.g. ASCII font + icons + Japanese glyphs).
         /// Set to false.
         /// </summary>
-        public bool MergeMode;
+        public byte MergeMode;
+        /// <summary>
+        /// Settings for custom font rasterizer (e.g. ImGuiFreeType). Leave as zero if you aren't using one.
+        /// Defaults to 0.
+        /// </summary>
+        public uint RasterizerFlags;
+        /// <summary>
+        /// Brighten (&gt;1.0f) or darken (&lt;1.0f) font output. Brightening small fonts may be a good workaround to make them more readable.
+        /// Defaults to 1.0.
+        /// </summary>
+        public float RasterizerMultiply;
 
         // [Internal]
         /// <summary>

src/ImGui.NET/HoveredFlags.cs

@@ -0,0 +1,15 @@
+namespace ImGuiNET
+{
+    // Flags for ImGui::IsItemHovered(), ImGui::IsWindowHovered()
+    public enum HoveredFlags
+    {
+        Default = 0,        // Return true if directly over the item/window, not obstructed by another window, not obstructed by an active popup or modal blocking inputs under them.
+        ChildWindows = 1 << 0,   // IsWindowHovered() only: Return true if any children of the window is hovered
+        RootWindow = 1 << 1,   // IsWindowHovered() only: Test from root window (top most parent of the current hierarchy)
+        AllowWhenBlockedByPopup = 1 << 2,   // Return true even if a popup window is normally blocking access to this item/window
+        AllowWhenBlockedByActiveItem = 1 << 4,   // Return true even if an active item is blocking access to this item/window. Useful for Drag and Drop patterns.
+        AllowWhenOverlapped = 1 << 5,   // Return true even if the position is overlapped by another window
+        RectOnly = AllowWhenBlockedByPopup | AllowWhenBlockedByActiveItem | AllowWhenOverlapped,
+        RootAndChildWindows = RootWindow | ChildWindows
+    }
+}

src/ImGui.NET/ImGui.cs

@@ -443,14 +443,9 @@ namespace ImGuiNET
             ImGuiNative.igSetNextWindowFocus();
         }
 
-        public static void SetNextWindowPos(Vector2 position, Condition condition)
+        public static void SetNextWindowPos(Vector2 position, Condition condition, Vector2 pivot)
         {
-            ImGuiNative.igSetNextWindowPos(position, condition);
-        }
-
-        public static void SetNextWindowPosCenter(Condition condition)
-        {
-            ImGuiNative.igSetNextWindowPosCenter(condition);
+            ImGuiNative.igSetNextWindowPos(position, condition, pivot);
         }
 
         public static void AddInputCharacter(char keyChar)
@@ -709,6 +704,11 @@ namespace ImGuiNET
             return ImGuiNative.igIsKeyReleased(keyIndex);
         }
 
+        public static int GetKeyPressedAmount(int keyIndex, float repeatDelay, float rate)
+        {
+            return ImGuiNative.igGetKeyPressedAmount(keyIndex, repeatDelay, rate);
+        }
+
         public static bool IsMouseDown(int button)
         {
             return ImGuiNative.igIsMouseDown(button);
@@ -729,19 +729,19 @@ namespace ImGuiNET
             return ImGuiNative.igIsMouseReleased(button);
         }
 
-        public static bool IsWindowRectHovered()
+        public static bool IsAnyWindowHovered()
         {
-            return ImGuiNative.igIsWindowRectHovered();
+            return ImGuiNative.igIsAnyWindowHovered();
         }
 
-        public static bool IsAnyWindowHovered()
+        public static bool IsWindowFocused(FocusedFlags flags)
         {
-            return ImGuiNative.igIsAnyWindowHovered();
+            return ImGuiNative.igIsWindowFocused(flags);
         }
 
-        public static bool IsWindowFocused()
+        public static bool IsWindowHovered(HoveredFlags flags)
         {
-            return ImGuiNative.igIsWindowFocused();
+            return ImGuiNative.igIsWindowHovered(flags);
         }
 
         public static bool IsMouseHoveringRect(Vector2 minPosition, Vector2 maxPosition, bool clip)
@@ -749,6 +749,16 @@ namespace ImGuiNET
             return ImGuiNative.igIsMouseHoveringRect(minPosition, maxPosition, clip);
         }
 
+        public static unsafe bool IsMousePosValid()
+        {
+            return ImGuiNative.igIsMousePosValid(null);
+        }
+
+        public static unsafe bool IsMousePosValid(Vector2 mousePos)
+        {
+            return ImGuiNative.igIsMousePosValid(&mousePos);
+        }
+
         public static bool IsMouseDragging(int button, float lockThreshold)
         {
             return ImGuiNative.igIsMouseDragging(button, lockThreshold);
@@ -811,6 +821,12 @@ namespace ImGuiNET
             ImGuiNative.igSetCursorScreenPos(pos);
         }
 
+        public static void AlignTextToFramePadding()
+        {
+            ImGuiNative.igAlignTextToFramePadding();
+        }
+
+
         public static bool BeginChild(string id, bool border = false, WindowFlags flags = 0)
         {
             return BeginChild(id, new Vector2(0, 0), border, flags);
@@ -884,6 +900,11 @@ namespace ImGuiNET
             return ImGuiNative.igBeginMainMenuBar();
         }
 
+        public static bool OpenPopupOnItemClick(string id, int mouseButton)
+        {
+            return ImGuiNative.igOpenPopupOnItemClick(id, mouseButton);
+        }
+
         public static bool BeginPopup(string id)
         {
             return ImGuiNative.igBeginPopup(id);
@@ -1048,14 +1069,9 @@ namespace ImGuiNET
             ImGuiNative.igPopClipRect();
         }
 
-        public static bool IsLastItemHovered()
-        {
-            return ImGuiNative.igIsItemHovered();
-        }
-
-        public static bool IsItemRectHovered()
+        public static bool IsItemHovered(HoveredFlags flags)
         {
-            return ImGuiNative.igIsItemRectHovered();
+            return ImGuiNative.igIsItemHovered(flags);
         }
 
         public static bool IsLastItemActive()
@@ -1129,6 +1145,11 @@ namespace ImGuiNET
             return result;
         }
 
+        public static bool IsWindowAppearing()
+        {
+            return ImGuiNative.igIsWindowAppearing();
+        }
+
         public static void SetWindowFontScale(float scale)
         {
             ImGuiNative.igSetWindowFontScale(scale);

src/ImGui.NET/ImGuiNative.cs

@@ -73,6 +73,9 @@ namespace ImGuiNET
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         public static extern NativeDrawList* igGetWindowDrawList();
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
+        [return: MarshalAs(UnmanagedType.I1)]
+        public static extern bool igIsWindowAppearing();
+        [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         public static extern void igSetWindowFontScale(float scale);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         public static extern void igGetWindowPos(out Vector2 @out);
@@ -85,11 +88,8 @@ namespace ImGuiNET
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
         public static extern bool igIsWindowCollapsed();
-
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
-        public static extern void igSetNextWindowPos(Vector2 pos, Condition cond);
-        [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
-        public static extern void igSetNextWindowPosCenter(Condition cond);
+        public static extern void igSetNextWindowPos(Vector2 pos, Condition cond, Vector2 pivot);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         public static extern void igSetNextWindowSize(Vector2 size, Condition cond);
         public delegate void ImGuiSizeConstraintCallback(IntPtr data);
@@ -228,7 +228,7 @@ namespace ImGuiNET
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         public static extern void igSetCursorScreenPos(Vector2 pos);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
-        public static extern void igAlignFirstTextHeightToWidgets();
+        public static extern void igAlignTextToFramePadding();
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         public static extern float igGetTextLineHeight();
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
@@ -584,6 +584,9 @@ namespace ImGuiNET
         public static extern void igOpenPopup(string str_id);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
+        public static extern bool igOpenPopupOnItemClick(string str_id, int mouse_button);
+        [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
+        [return: MarshalAs(UnmanagedType.I1)]
         public static extern bool igBeginPopup(string str_id);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
@@ -630,10 +633,7 @@ namespace ImGuiNET
         // Utilities
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
-        public static extern bool igIsItemHovered();
-        [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
-        [return: MarshalAs(UnmanagedType.I1)]
-        public static extern bool igIsItemRectHovered();
+        public static extern bool igIsItemHovered(HoveredFlags flags);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
         public static extern bool igIsItemActive();
@@ -660,10 +660,10 @@ namespace ImGuiNET
 
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
-        public static extern bool igIsWindowHovered();
+        public static extern bool igIsWindowHovered(HoveredFlags flags);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
-        public static extern bool igIsWindowFocused();
+        public static extern bool igIsWindowFocused(FocusedFlags flags);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
         public static extern bool igIsRootWindowFocused();
@@ -719,6 +719,8 @@ namespace ImGuiNET
         [return: MarshalAs(UnmanagedType.I1)]
         public static extern bool igIsKeyReleased(int user_key_index);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
+        public static extern int igGetKeyPressedAmount(int key_index, float repeat_delay, float rate);
+        [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
         public static extern bool igIsMouseDown(int button);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
@@ -732,10 +734,10 @@ namespace ImGuiNET
         public static extern bool igIsMouseReleased(int button);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
-        public static extern bool igIsWindowRectHovered();
+        public static extern bool igIsAnyWindowHovered();
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
-        public static extern bool igIsAnyWindowHovered();
+        public static extern bool igIsMousePosValid(Vector2* mousePos);
         [DllImport(cimguiLib, CallingConvention = CallingConvention.Cdecl)]
         [return: MarshalAs(UnmanagedType.I1)]
         public static extern bool igIsMouseHoveringRect(Vector2 pos_min, Vector2 pos_max, bool clip);

src/ImGui.NET/NativeIO.cs

@@ -118,6 +118,11 @@ namespace ImGuiNET
         /// Default value: True on OSX; false otherwise.
         /// </summary>
         public byte OSXBehaviors;
+        /// <summary>
+        /// Enable blinking cursor, for users who consider it annoying.
+        /// Default value: true.
+        /// </summary>
+        public byte OptCursorBlink;
 
         //------------------------------------------------------------------
         // User Functions
@@ -196,6 +201,9 @@ namespace ImGuiNET
         /// Keyboard modifier pressed: Alt
         /// </summary>
         public byte KeyAlt;
+        /// <summary>
+        /// Keyboard modifier pressed: Cmd/Super/Windows
+        /// </summary>
         public byte KeySuper;
         /// <summary>
         /// Keyboard keys that are pressed (in whatever storage order you naturally have access to keyboard data)
@@ -224,6 +232,10 @@ namespace ImGuiNET
         /// </summary>
         public byte WantTextInput;
         /// <summary>
+        /// MousePos has been altered, back-end should reposition mouse on next frame. Set only when 'NavMovesMouse=true'.
+        /// </summary>
+        public byte WantMoveMouse;
+        /// <summary>
         /// Framerate estimation, in frame per second. Rolling average estimation based on IO.DeltaTime over 120 frames.
         /// </summary>
         public float Framerate;
@@ -258,10 +270,6 @@ namespace ImGuiNET
         /// </summary>
         public Vector2 MousePosPrev;
         /// <summary>
-        /// Mouse button went from !Down to Down
-        /// </summary>
-        public fixed byte MouseClicked[5];
-        /// <summary>
         /// Position at time of clicking
         /// </summary>
         public Vector2 MouseClickedPos0;
@@ -286,6 +294,10 @@ namespace ImGuiNET
         /// </summary>
         public fixed float MouseClickedTime[5];
         /// <summary>
+        /// Mouse button went from !Down to Down
+        /// </summary>
+        public fixed byte MouseClicked[5];
+        /// <summary>
         /// Has mouse button been double-clicked?
         /// </summary>
         public fixed byte MouseDoubleClicked[5];
@@ -307,6 +319,26 @@ namespace ImGuiNET
         /// </summary>
         public fixed float MouseDownDurationPrev[5];
         /// <summary>
+        /// Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point
+        /// </summary>
+        public Vector2 MouseDragMaxDistanceAbs0;
+        /// <summary>
+        /// Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point
+        /// </summary>
+        public Vector2 MouseDragMaxDistanceAbs1;
+        /// <summary>
+        /// Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point
+        /// </summary>
+        public Vector2 MouseDragMaxDistanceAbs2;
+        /// <summary>
+        /// Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point
+        /// </summary>
+        public Vector2 MouseDragMaxDistanceAbs3;
+        /// <summary>
+        /// Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point
+        /// </summary>
+        public Vector2 MouseDragMaxDistanceAbs4;
+        /// <summary>
         /// Squared maximum distance of how much mouse has traveled from the click point
         /// </summary>
         public fixed float MouseDragMaxDistanceSqr[5];

src/ImGui.NET/TreeNodeFlags.cs

@@ -45,7 +45,10 @@ namespace ImGuiNET
         /// Display a bullet instead of arrow
         /// </summary>
         Bullet = 1 << 9,
-
+        /// <summary>
+        /// Use FramePadding (even for an unframed text node) to vertically align text baseline
+        /// </summary>
+        FramePadding = 1 << 10,
         CollapsingHeader = Framed | NoAutoOpenOnLog
     };
 }