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App wrappers for all of the sample code usage

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internals
Eric Mellino 9 years ago
parent 52b84f81ff
commit 1e600bff54
9 changed files with 706 additions and 395 deletions
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  1. 3
      src/ImGui.NET.SampleProgram/Program.cs
  2. 194
      src/ImGui.NET.SampleProgram/SampleWindow.cs
  3. 19
      src/ImGui.NET/DrawData.cs
  4. 506
      src/ImGui.NET/IO.cs
  5. 1
      src/ImGui.NET/ImGui.NET.Net46.csproj
  6. 4
      src/ImGui.NET/ImGui.NET.csproj
  7. 69
      src/ImGui.NET/ImGui.cs
  8. 2
      src/ImGui.NET/ImGuiNative.cs
  9. 305
      src/ImGui.NET/NativeIO.cs

3
src/ImGui.NET.SampleProgram/Program.cs
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@ -4,7 +4,8 @@ namespace ImGuiNET
{ {
public static unsafe void Main(string[] args) public static unsafe void Main(string[] args)
{ {
new SampleWindow().RunWindowLoop(); var window = new SampleWindow();
window.RunWindowLoop();
} }
} }
} }

194
src/ImGui.NET.SampleProgram/SampleWindow.cs
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@ -30,11 +30,10 @@ namespace ImGuiNET
public unsafe SampleWindow() public unsafe SampleWindow()
{ {
_nativeWindow = new NativeWindow(960, 540, "ImGui.NET", GameWindowFlags.Default, OpenTK.Graphics.GraphicsMode.Default, DisplayDevice.Default); _nativeWindow = new NativeWindow(960, 540, "ImGui.NET", GameWindowFlags.Default, OpenTK.Graphics.GraphicsMode.Default, DisplayDevice.Default);
_nativeWindow.WindowBorder = WindowBorder.Resizable;
GraphicsContextFlags flags = GraphicsContextFlags.Default; GraphicsContextFlags flags = GraphicsContextFlags.Default;
_graphicsContext = new GraphicsContext(GraphicsMode.Default, _nativeWindow.WindowInfo, 3, 0, flags); _graphicsContext = new GraphicsContext(GraphicsMode.Default, _nativeWindow.WindowInfo, 3, 0, flags);
_graphicsContext.MakeCurrent(_nativeWindow.WindowInfo); _graphicsContext.MakeCurrent(_nativeWindow.WindowInfo);
_graphicsContext.LoadAll(); // wtf is this? ((IGraphicsContextInternal)_graphicsContext).LoadAll(); // wtf is this?
GL.ClearColor(Color.Black); GL.ClearColor(Color.Black);
_nativeWindow.Visible = true; _nativeWindow.Visible = true;
@ -42,10 +41,9 @@ namespace ImGuiNET
_nativeWindow.KeyUp += OnKeyUp; _nativeWindow.KeyUp += OnKeyUp;
_nativeWindow.KeyPress += OnKeyPress; _nativeWindow.KeyPress += OnKeyPress;
IO* io = ImGuiNative.igGetIO(); ImGui.LoadDefaultFont();
ImGuiNative.ImFontAtlas_AddFontDefault(io->FontAtlas);
SetOpenTKKeyMappings(io); SetOpenTKKeyMappings();
_textInputBufferLength = 1024; _textInputBufferLength = 1024;
_textInputBuffer = Marshal.AllocHGlobal(_textInputBufferLength); _textInputBuffer = Marshal.AllocHGlobal(_textInputBufferLength);
@ -60,85 +58,94 @@ namespace ImGuiNET
private void OnKeyPress(object sender, KeyPressEventArgs e) private void OnKeyPress(object sender, KeyPressEventArgs e)
{ {
ImGuiNative.ImGuiIO_AddInputCharacter(e.KeyChar); ImGui.AddInputCharacter(e.KeyChar);
} }
private static unsafe void SetOpenTKKeyMappings(IO* io) private static unsafe void SetOpenTKKeyMappings()
{ {
io->KeyMap[(int)GuiKey.Tab] = (int)Key.Tab; IO io = ImGui.GetIO();
io->KeyMap[(int)GuiKey.LeftArrow] = (int)Key.Left; io.KeyMap[GuiKey.Tab] = (int)Key.Tab;
io->KeyMap[(int)GuiKey.RightArrow] = (int)Key.Right; io.KeyMap[GuiKey.LeftArrow] = (int)Key.Left;
io->KeyMap[(int)GuiKey.UpArrow] = (int)Key.Up; io.KeyMap[GuiKey.RightArrow] = (int)Key.Right;
io->KeyMap[(int)GuiKey.DownArrow] = (int)Key.Down; io.KeyMap[GuiKey.UpArrow] = (int)Key.Up;
io->KeyMap[(int)GuiKey.PageUp] = (int)Key.PageUp; io.KeyMap[GuiKey.DownArrow] = (int)Key.Down;
io->KeyMap[(int)GuiKey.PageDown] = (int)Key.PageDown; io.KeyMap[GuiKey.PageUp] = (int)Key.PageUp;
io->KeyMap[(int)GuiKey.Home] = (int)Key.Home; io.KeyMap[GuiKey.PageDown] = (int)Key.PageDown;
io->KeyMap[(int)GuiKey.End] = (int)Key.End; io.KeyMap[GuiKey.Home] = (int)Key.Home;
io->KeyMap[(int)GuiKey.Delete] = (int)Key.Delete; io.KeyMap[GuiKey.End] = (int)Key.End;
io->KeyMap[(int)GuiKey.Backspace] = (int)Key.BackSpace; io.KeyMap[GuiKey.Delete] = (int)Key.Delete;
io->KeyMap[(int)GuiKey.Enter] = (int)Key.Enter; io.KeyMap[GuiKey.Backspace] = (int)Key.BackSpace;
io->KeyMap[(int)GuiKey.Escape] = (int)Key.Escape; io.KeyMap[GuiKey.Enter] = (int)Key.Enter;
io->KeyMap[(int)GuiKey.A] = (int)Key.A; io.KeyMap[GuiKey.Escape] = (int)Key.Escape;
io->KeyMap[(int)GuiKey.C] = (int)Key.C; io.KeyMap[GuiKey.A] = (int)Key.A;
io->KeyMap[(int)GuiKey.V] = (int)Key.V; io.KeyMap[GuiKey.C] = (int)Key.C;
io->KeyMap[(int)GuiKey.X] = (int)Key.X; io.KeyMap[GuiKey.V] = (int)Key.V;
io->KeyMap[(int)GuiKey.Y] = (int)Key.Y; io.KeyMap[GuiKey.X] = (int)Key.X;
io->KeyMap[(int)GuiKey.Z] = (int)Key.Z; io.KeyMap[GuiKey.Y] = (int)Key.Y;
io.KeyMap[GuiKey.Z] = (int)Key.Z;
} }
private unsafe void OnKeyDown(object sender, KeyboardKeyEventArgs e) private unsafe void OnKeyDown(object sender, KeyboardKeyEventArgs e)
{ {
var ptr = ImGuiNative.igGetIO(); ImGui.GetIO().KeysDown[(int)e.Key] = true;
ptr->KeysDown[(int)e.Key] = 1; UpdateModifiers(e);
UpdateModifiers(e, ptr);
} }
private unsafe void OnKeyUp(object sender, KeyboardKeyEventArgs e) private unsafe void OnKeyUp(object sender, KeyboardKeyEventArgs e)
{ {
var ptr = ImGuiNative.igGetIO(); ImGui.GetIO().KeysDown[(int)e.Key] = false;
ptr->KeysDown[(int)e.Key] = 0; UpdateModifiers(e);
UpdateModifiers(e, ptr);
} }
private static unsafe void UpdateModifiers(KeyboardKeyEventArgs e, IO* ptr) private static unsafe void UpdateModifiers(KeyboardKeyEventArgs e)
{ {
ptr->KeyAlt = e.Alt ? (byte)1 : (byte)0; IO io = ImGui.GetIO();
ptr->KeyCtrl = e.Control ? (byte)1 : (byte)0; io.AltPressed = e.Alt;
ptr->KeyShift = e.Shift ? (byte)1 : (byte)0; io.CtrlPressed = e.Control;
io.ShiftPressed = e.Shift;
} }
private unsafe void CreateDeviceObjects() private unsafe void CreateDeviceObjects()
{ {
IO* io = ImGuiNative.igGetIO(); IO io = ImGui.GetIO();
// Build texture atlas // Build texture atlas
byte* pixels; Alpha8TexData texData = io.FontAtlas.GetTexDataAsAlpha8();
int width, height;
ImGuiNative.ImFontAtlas_GetTexDataAsAlpha8(io->FontAtlas, &pixels, &width, &height, null);
// Create OpenGL texture // Create OpenGL texture
s_fontTexture = GL.GenTexture(); s_fontTexture = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, s_fontTexture); GL.BindTexture(TextureTarget.Texture2D, s_fontTexture);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear); GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear); GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Alpha, width, height, 0, PixelFormat.Alpha, PixelType.UnsignedByte, new IntPtr(pixels)); GL.TexImage2D(
TextureTarget.Texture2D,
0,
PixelInternalFormat.Alpha,
texData.Width,
texData.Height,
0,
PixelFormat.Alpha,
PixelType.UnsignedByte,
new IntPtr(texData.Pixels));
// Store the texture identifier in the ImFontAtlas substructure. // Store the texture identifier in the ImFontAtlas substructure.
io->FontAtlas->TexID = new IntPtr(s_fontTexture).ToPointer(); io.FontAtlas.SetTexID(s_fontTexture);
// Cleanup (don't clear the input data if you want to append new fonts later) // Cleanup (don't clear the input data if you want to append new fonts later)
//io.Fonts->ClearInputData(); //io.Fonts->ClearInputData();
ImGuiNative.ImFontAtlas_ClearTexData(io->FontAtlas); io.FontAtlas.ClearTexData();
GL.BindTexture(TextureTarget.Texture2D, 0); GL.BindTexture(TextureTarget.Texture2D, 0);
} }
public void RunWindowLoop() public void RunWindowLoop()
{ {
_nativeWindow.Visible = true;
while (_nativeWindow.Visible) while (_nativeWindow.Visible)
{ {
_previousFrameStartTime = DateTime.UtcNow; _previousFrameStartTime = DateTime.UtcNow;
RenderFrame(); RenderFrame();
_nativeWindow.ProcessEvents(); _nativeWindow.ProcessEvents();
DateTime afterFrameTime = DateTime.UtcNow; DateTime afterFrameTime = DateTime.UtcNow;
@ -151,79 +158,78 @@ namespace ImGuiNET
{ {
Thread.Sleep(0); Thread.Sleep(0);
} }
Thread.Sleep((int)(sleepTime * 1000));
} }
} }
} }
private unsafe void RenderFrame() private unsafe void RenderFrame()
{ {
IO* io = ImGuiNative.igGetIO(); IO io = ImGui.GetIO();
io->DisplaySize = new System.Numerics.Vector2(_nativeWindow.Width, _nativeWindow.Height); io.DisplaySize = new System.Numerics.Vector2(_nativeWindow.Width, _nativeWindow.Height);
io->DisplayFramebufferScale = new System.Numerics.Vector2(1, 1); io.DisplayFramebufferScale = new System.Numerics.Vector2(1, 1);
io->DeltaTime = (1f / 60f); io.DeltaTime = (1f / 60f);
UpdateImGuiInput(io); UpdateImGuiInput(io);
ImGuiNative.igNewFrame(); ImGui.NewFrame();
SubmitImGuiStiff(); SubmitImGuiStuff();
ImGuiNative.igRender(); ImGui.Render();
DrawData* data = ImGuiNative.igGetDrawData(); DrawData* data = ImGui.GetDrawData();
RenderImDrawData(data); RenderImDrawData(data);
} }
private unsafe void SubmitImGuiStiff() private unsafe void SubmitImGuiStuff()
{ {
ImGuiNative.igGetStyle()->WindowRounding = 0; ImGui.GetStyle().WindowRounding = 0;
ImGuiNative.igSetNextWindowSize(new System.Numerics.Vector2(_nativeWindow.Width - 10, _nativeWindow.Height - 20), SetCondition.Always); ImGui.SetNextWindowSize(new System.Numerics.Vector2(_nativeWindow.Width - 10, _nativeWindow.Height - 20), SetCondition.Always);
ImGuiNative.igSetNextWindowPosCenter(SetCondition.Always); ImGui.SetNextWindowPosCenter(SetCondition.Always);
ImGuiNative.igBegin("ImGUI.NET Sample Program", ref _mainWindowOpened, WindowFlags.NoResize | WindowFlags.NoTitleBar | WindowFlags.NoMove); ImGui.BeginWindow("ImGUI.NET Sample Program", ref _mainWindowOpened, WindowFlags.NoResize | WindowFlags.NoTitleBar | WindowFlags.NoMove);
ImGuiNative.igBeginMainMenuBar(); ImGui.BeginMainMenuBar();
if (ImGuiNative.igBeginMenu("Help")) if (ImGui.BeginMenu("Help"))
{ {
if (ImGuiNative.igMenuItem("About", "Ctrl-Alt-A", false, true)) if (ImGui.MenuItem("About", "Ctrl-Alt-A", false, true))
{ {
} }
ImGuiNative.igEndMenu(); ImGui.EndMenu();
} }
ImGuiNative.igEndMainMenuBar(); ImGui.EndMainMenuBar();
ImGuiNative.igText("Hello,"); ImGui.Text("Hello,");
ImGuiNative.igText("World!"); ImGui.Text("World!");
ImGuiNative.igText("From ImGui.NET. ...Did that work?"); ImGui.Text("From ImGui.NET. ...Did that work?");
var pos = ImGuiNative.igGetIO()->MousePos; var pos = ImGui.GetIO().MousePosition;
bool leftPressed = ImGuiNative.igGetIO()->MouseDown[0] == 1; bool leftPressed = ImGui.GetIO().MouseDown[0];
ImGuiNative.igText("Current mouse position: " + pos + ". Pressed=" + leftPressed); ImGui.Text("Current mouse position: " + pos + ". Pressed=" + leftPressed);
if (ImGuiNative.igButton("Press me!", new System.Numerics.Vector2(120, 30))) if (ImGui.Button("Press me!", new System.Numerics.Vector2(120, 30)))
{ {
_pressCount += 1; _pressCount += 1;
} }
ImGuiNative.igTextColored(new System.Numerics.Vector4(0, 1, 1, 1), $"Button pressed {_pressCount} times."); ImGui.TextColored(new System.Numerics.Vector4(0, 1, 1, 1), $"Button pressed {_pressCount} times.");
ImGuiNative.igInputTextMultiline("Input some numbers:", ImGui.InputTextMultiline("Input some numbers:",
_textInputBuffer, (uint)_textInputBufferLength, _textInputBuffer, (uint)_textInputBufferLength,
new System.Numerics.Vector2(360, 240), new System.Numerics.Vector2(360, 240),
InputTextFlags.CharsDecimal, InputTextFlags.CharsDecimal,
OnTextEdited, null); OnTextEdited);
ImGuiNative.igSliderFloat("SlidableValue", ref _sliderVal, -50f, 100f, $"{_sliderVal.ToString("##0.00")}", 1); ImGui.SliderFloat("SlidableValue", ref _sliderVal, -50f, 100f, $"{_sliderVal.ToString("##0.00")}", 1.0f);
if (ImGuiNative.igTreeNode("First Item")) if (ImGui.TreeNode("First Item"))
{ {
ImGuiNative.igText("Word!"); ImGui.Text("Word!");
ImGuiNative.igTreePop(); ImGui.TreePop();
} }
if (ImGuiNative.igTreeNode("Second Item")) if (ImGui.TreeNode("Second Item"))
{ {
ImGuiNative.igColorButton(_buttonColor, false, true); ImGui.ColorButton(_buttonColor, false, true);
if (ImGui.Button("Push me to change color", new System.Numerics.Vector2(120, 30))) if (ImGui.Button("Push me to change color", new System.Numerics.Vector2(120, 30)))
{ {
_buttonColor = new System.Numerics.Vector4(_buttonColor.Y + .25f, _buttonColor.Z, _buttonColor.X, _buttonColor.W); _buttonColor = new System.Numerics.Vector4(_buttonColor.Y + .25f, _buttonColor.Z, _buttonColor.X, _buttonColor.W);
@ -233,20 +239,24 @@ namespace ImGuiNET
} }
} }
ImGuiNative.igTreePop(); ImGui.TreePop();
} }
ImGuiNative.igEnd(); ImGui.EndWindow();
if (ImGui.GetIO().AltPressed && ImGui.GetIO().KeysDown[(int)Key.F4])
{
_nativeWindow.Close();
}
} }
private unsafe int OnTextEdited(TextEditCallbackData* data) private unsafe int OnTextEdited(TextEditCallbackData* data)
{ {
char currentEventChar = (char)data->EventChar; char currentEventChar = (char)data->EventChar;
Console.WriteLine("Event char: " + currentEventChar);
return 0; return 0;
} }
private unsafe void UpdateImGuiInput(IO* io) private unsafe void UpdateImGuiInput(IO io)
{ {
MouseState cursorState = Mouse.GetCursorState(); MouseState cursorState = Mouse.GetCursorState();
MouseState mouseState = Mouse.GetState(); MouseState mouseState = Mouse.GetState();
@ -254,21 +264,21 @@ namespace ImGuiNET
if (_nativeWindow.Bounds.Contains(cursorState.X, cursorState.Y)) if (_nativeWindow.Bounds.Contains(cursorState.X, cursorState.Y))
{ {
Point windowPoint = _nativeWindow.PointToClient(new Point(cursorState.X, cursorState.Y)); Point windowPoint = _nativeWindow.PointToClient(new Point(cursorState.X, cursorState.Y));
io->MousePos = new System.Numerics.Vector2(windowPoint.X, windowPoint.Y); io.MousePosition = new System.Numerics.Vector2(windowPoint.X, windowPoint.Y);
} }
else else
{ {
io->MousePos = new System.Numerics.Vector2(-1f, -1f); io.MousePosition = new System.Numerics.Vector2(-1f, -1f);
} }
io->MouseDown[0] = (mouseState.LeftButton == ButtonState.Pressed) ? (byte)255 : (byte)0; // Left io.MouseDown[0] = mouseState.LeftButton == ButtonState.Pressed;
io->MouseDown[1] = (mouseState.RightButton == ButtonState.Pressed) ? (byte)255 : (byte)0; // Right io.MouseDown[1] = mouseState.RightButton == ButtonState.Pressed;
io->MouseDown[2] = (mouseState.MiddleButton == ButtonState.Pressed) ? (byte)255 : (byte)0; // Middle io.MouseDown[2] = mouseState.MiddleButton == ButtonState.Pressed;
float newWheelPos = mouseState.WheelPrecise; float newWheelPos = mouseState.WheelPrecise;
float delta = newWheelPos - _wheelPosition; float delta = newWheelPos - _wheelPosition;
_wheelPosition = newWheelPos; _wheelPosition = newWheelPos;
io->MouseWheel = delta; io.MouseWheel = delta;
} }
private unsafe void RenderImDrawData(DrawData* draw_data) private unsafe void RenderImDrawData(DrawData* draw_data)
@ -301,15 +311,15 @@ namespace ImGuiNET
GL.UseProgram(0); GL.UseProgram(0);
// Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays)
IO* io = ImGuiNative.igGetIO(); IO io = ImGui.GetIO();
float fb_height = io->DisplaySize.Y * io->DisplayFramebufferScale.Y; float fb_height = io.DisplaySize.Y * io.DisplayFramebufferScale.Y;
ImGui.ScaleClipRects(draw_data, io->DisplayFramebufferScale); ImGui.ScaleClipRects(draw_data, io.DisplayFramebufferScale);
// Setup orthographic projection matrix // Setup orthographic projection matrix
GL.MatrixMode(MatrixMode.Projection); GL.MatrixMode(MatrixMode.Projection);
GL.PushMatrix(); GL.PushMatrix();
GL.LoadIdentity(); GL.LoadIdentity();
GL.Ortho(0.0f, io->DisplaySize.X, io->DisplaySize.Y, 0.0f, -1.0f, 1.0f); GL.Ortho(0.0f, io.DisplaySize.X, io.DisplaySize.Y, 0.0f, -1.0f, 1.0f);
GL.MatrixMode(MatrixMode.Modelview); GL.MatrixMode(MatrixMode.Modelview);
GL.PushMatrix(); GL.PushMatrix();
GL.LoadIdentity(); GL.LoadIdentity();

19
src/ImGui.NET/DrawData.cs
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@ -2,14 +2,25 @@
namespace ImGuiNET namespace ImGuiNET
{ {
// All draw data to render an ImGui frame /// <summary>
/// All draw data to render an ImGui frame
/// </summary>
[StructLayout(LayoutKind.Sequential)] [StructLayout(LayoutKind.Sequential)]
public unsafe struct DrawData public unsafe struct DrawData
{ {
public byte Valid; // Only valid after Render() is called and before the next NewFrame() is called. /// <summary>
/// Only valid after Render() is called and before the next NewFrame() is called.
/// </summary>
public byte Valid;
public DrawList** CmdLists; public DrawList** CmdLists;
public int CmdListsCount; public int CmdListsCount;
public int TotalVtxCount; // For convenience, sum of all cmd_lists vtx_buffer.Size /// <summary>
public int TotalIdxCount; // For convenience, sum of all cmd_lists idx_buffer.Size /// For convenience, sum of all cmd_lists vtx_buffer.Size
/// </summary>
public int TotalVtxCount;
/// <summary>
/// For convenience, sum of all cmd_lists idx_buffer.Size
/// </summary>
public int TotalIdxCount;
}; };
} }

506
src/ImGui.NET/IO.cs
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@ -4,302 +4,214 @@ using System.Runtime.InteropServices;
namespace ImGuiNET namespace ImGuiNET
{ {
[StructLayout(LayoutKind.Sequential)] public unsafe class IO
public unsafe struct IO {
{ private NativeIO* _nativePtr;
//------------------------------------------------------------------
// Settings (fill once) internal IO(NativeIO* nativePtr)
//------------------------------------------------------------------ {
_nativePtr = nativePtr;
/// <summary> MouseDown = new MouseDownStates(nativePtr);
/// Display size, in pixels. For clamping windows positions. KeyMap = new KeyMap(_nativePtr);
/// Default value: [unset] KeysDown = new KeyDownStates(_nativePtr);
/// </summary> FontAtlas = new FontAtlasWrapped(_nativePtr->FontAtlas);
public Vector2 DisplaySize; }
/// <summary>
/// Time elapsed since last frame, in seconds. public NativeIO* GetNativePointer() => _nativePtr;
/// Default value: 1.0f / 10.0f.
/// </summary> public float DeltaTime
public float DeltaTime; {
/// <summary> get { return _nativePtr->DeltaTime; }
/// Maximum time between saving positions/sizes to .ini file, in seconds. set { _nativePtr->DeltaTime = value; }
/// Default value: 5.0f. }
/// </summary>
public float IniSavingRate; public Vector2 DisplayFramebufferScale
/// <summary> {
/// Path to .ini file. NULL to disable .ini saving. get { return _nativePtr->DisplayFramebufferScale; }
/// Default value: "imgui.ini" set { _nativePtr->DisplayFramebufferScale = value; }
/// </summary> }
public IntPtr IniFilename;
/// <summary> public Vector2 DisplaySize
/// Path to .log file (default parameter to ImGui::LogToFile when no file is specified). {
/// Default value: "imgui_log.txt" get { return _nativePtr->DisplaySize; }
/// </summary> set { _nativePtr->DisplaySize = value; }
public IntPtr LogFilename; }
/// <summary>
/// Time for a double-click, in seconds. public Vector2 MousePosition
/// Default value: 0.30f. {
/// </summary> get { return _nativePtr->MousePos; }
public float MouseDoubleClickTime; set { _nativePtr->MousePos = value; }
/// <summary> }
/// Distance threshold to stay in to validate a double-click, in pixels.
/// Default Value: 6.0f. public float MouseWheel
/// </summary> {
public float MouseDoubleClickMaxDist; get { return _nativePtr->MouseWheel; }
/// <summary> set { _nativePtr->MouseWheel = value; }
/// Distance threshold before considering we are dragging. }
/// Default Value: 6.0f.
/// </summary> public MouseDownStates MouseDown { get; }
public float MouseDragThreshold;
public KeyMap KeyMap { get; }
/// <summary>
/// Map of indices into the KeysDown[512] entries array. public KeyDownStates KeysDown { get; }
/// Default values: [unset]
/// </summary> public FontAtlasWrapped FontAtlas { get; }
public fixed int KeyMap[(int)GuiKey.Count];
/// <summary> public bool AltPressed
/// When holding a key/button, time before it starts repeating, in seconds. (for actions where 'repeat' is active). {
/// Default value: 0.250f. get { return _nativePtr->KeyAlt == 1; }
/// </summary> set { _nativePtr->KeyAlt = value ? (byte)1 : (byte)0; }
public float KeyRepeatDelay; }
/// <summary>
/// When holding a key/button, rate at which it repeats, in seconds. public bool CtrlPressed
/// Default value: 0.020f. {
/// </summary> get { return _nativePtr->KeyCtrl == 1; }
public float KeyRepeatRate; set { _nativePtr->KeyCtrl = value ? (byte)1 : (byte)0; }
/// <summary> }
/// Store your own data for retrieval by callbacks.
/// Default value; IntPtr.Zero. public bool ShiftPressed
/// </summary> {
public IntPtr UserData; get { return _nativePtr->KeyShift == 1; }
set { _nativePtr->KeyShift = value ? (byte)1 : (byte)0; }
/// <summary> }
/// Load and assemble one or more fonts into a single tightly packed texture. Output to Fonts array. }
/// Default value: [auto]
/// </summary> public unsafe class KeyMap
public FontAtlas* FontAtlas; {
/// <summary> private readonly NativeIO* _nativePtr;
/// Global scale all fonts.
/// Default value: 1.0f. public KeyMap(NativeIO* nativePtr)
/// </summary> {
public float FontGlobalScale; _nativePtr = nativePtr;
/// <summary> }
/// Allow user scaling text of individual window with CTRL+Wheel.
/// Default value: false. public int this[GuiKey key]
/// </summary> {
public byte FontAllowUserScaling; get
/// <summary> {
/// For retina display or other situations where window coordinates are different from framebuffer coordinates. return _nativePtr->KeyMap[(int)key];
/// User storage only, presently not used by ImGui. }
/// Default value: (1.0f, 1.0f). set
/// </summary> {
public Vector2 DisplayFramebufferScale; _nativePtr->KeyMap[(int)key] = value;
/// <summary> }
/// If you use DisplaySize as a virtual space larger than your screen, set DisplayVisibleMin/Max to the visible area. }
/// Default value: (0.0f, 0.0f) }
/// </summary>
public Vector2 DisplayVisibleMin; public unsafe class MouseDownStates
/// <summary> {
/// If the values are the same, we defaults to Min=0.0f) and Max=DisplaySize. private readonly NativeIO* _nativePtr;
/// Default value: (0.0f, 0.0f).
/// </summary> public MouseDownStates(NativeIO* nativePtr)
public Vector2 DisplayVisibleMax; // <unset> (0.0f,0.0f) // If the values are the same, we defaults to Min=(0.0f) and Max=DisplaySize {
_nativePtr = nativePtr;
//------------------------------------------------------------------ }
// User Functions
//------------------------------------------------------------------ public bool this[int button]
{
/// <summary> get
/// Rendering function, will be called in Render(). {
/// Alternatively you can keep this to NULL and call GetDrawData() after Render() to get the same pointer. if (button < 0 || button > 5)
/// </summary> {
public IntPtr RenderDrawListsFn; throw new ArgumentOutOfRangeException(nameof(button));
}
/// <summary>
/// Optional: access OS clipboard return _nativePtr->MouseDown[button] == 1;
/// (default to use native Win32 clipboard on Windows, otherwise uses a private clipboard. Override to access OS clipboard on other architectures) }
/// </summary> set
public IntPtr GetClipboardTextFn; {
/// <summary> if (button < 0 || button > 5)
/// Optional: access OS clipboard {
/// (default to use native Win32 clipboard on Windows, otherwise uses a private clipboard. Override to access OS clipboard on other architectures) throw new ArgumentOutOfRangeException(nameof(button));
/// </summary> }
public IntPtr SetClipboardTextFn;
byte pressed = value ? (byte)1 : (byte)0;
/// <summary> _nativePtr->MouseDown[button] = pressed;
/// Optional: override memory allocations. MemFreeFn() may be called with a NULL pointer. }
/// (default to posix malloc/free) }
/// </summary> }
public IntPtr MemAllocFn;
/// <summary> public unsafe class KeyDownStates
/// Optional: override memory allocations. MemFreeFn() may be called with a NULL pointer. {
/// (default to posix malloc/free) private readonly NativeIO* _nativePtr;
/// </summary>
public IntPtr MemFreeFn; public KeyDownStates(NativeIO* nativePtr)
{
/// <summary> _nativePtr = nativePtr;
/// Optional: notify OS Input Method Editor of the screen position of your cursor for text input position (e.g. when using Japanese/Chinese IME in Windows) }
/// (default to use native imm32 api on Windows)
/// </summary> public bool this[int key]
public IntPtr ImeSetInputScreenPosFn; {
/// <summary> get
/// (Windows) Set this to your HWND to get automatic IME cursor positioning. {
/// </summary> if (key < 0 || key > 512)
public IntPtr ImeWindowHandle; {
throw new ArgumentOutOfRangeException(nameof(key));
//------------------------------------------------------------------ }
// Input - Fill before calling NewFrame()
//------------------------------------------------------------------ return _nativePtr->KeysDown[key] == 1;
}
/// <summary> set
/// Mouse position, in pixels (set to -1,-1 if no mouse / on another screen, etc.). {
/// </summary> if (key < 0 || key > 512)
public Vector2 MousePos; {
/// <summary> throw new ArgumentOutOfRangeException(nameof(key));
/// Mouse buttons: left, right, middle + extras. }
/// ImGui itself mostly only uses left button (BeginPopupContext** are using right button).
/// Others buttons allows us to track if the mouse is being used by your application + available to user as a convenience via IsMouse** API. byte pressed = value ? (byte)1 : (byte)0;
/// </summary> _nativePtr->KeysDown[key] = pressed;
public fixed byte MouseDown[5]; }
/// <summary> }
/// Mouse wheel: 1 unit scrolls about 5 lines text. }
/// </summary>
public float MouseWheel; public unsafe class FontAtlasWrapped
/// <summary> {
/// Request ImGui to draw a mouse cursor for you (if you are on a platform without a mouse cursor). private readonly FontAtlas* _atlasPtr;
/// </summary>
public byte MouseDrawCursor; public FontAtlasWrapped(FontAtlas* atlasPtr)
/// <summary> {
/// Keyboard modifier pressed: Control. _atlasPtr = atlasPtr;
/// </summary> }
public byte KeyCtrl;
/// <summary> public Alpha8TexData GetTexDataAsAlpha8()
/// Keyboard modifier pressed: Shift {
/// </summary> byte* pixels;
public byte KeyShift; int width, height;
/// <summary> int bytesPerPixel;
/// Keyboard modifier pressed: Alt ImGuiNative.ImFontAtlas_GetTexDataAsAlpha8(_atlasPtr, &pixels, &width, &height, &bytesPerPixel);
/// </summary>
public byte KeyAlt; return new Alpha8TexData(pixels, width, height, bytesPerPixel);
/// <summary> }
/// Keyboard keys that are pressed (in whatever storage order you naturally have access to keyboard data)
/// </summary> public void SetTexID(int textureID)
public fixed byte KeysDown[512]; {
/// <summary> SetTexID(new IntPtr(textureID));
/// List of characters input (translated by user from keypress+keyboard state). }
/// Fill using AddInputCharacter() helper.
/// </summary> public void SetTexID(IntPtr textureID)
public fixed ushort InputCharacters[16 + 1]; {
ImGuiNative.ImFontAtlas_SetTexID(_atlasPtr, textureID.ToPointer());
//------------------------------------------------------------------ }
// Output - Retrieve after calling NewFrame(), you can use them to discard inputs or hide them from the rest of your application
//------------------------------------------------------------------ public void ClearTexData()
{
/// <summary> ImGuiNative.ImFontAtlas_ClearTexData(_atlasPtr);
/// Mouse is hovering a window or widget is active (= ImGui will use your mouse input). }
/// </summary> }
public byte WantCaptureMouse;
/// <summary> public unsafe struct Alpha8TexData
/// Widget is active (= ImGui will use your keyboard input). {
/// </summary> public readonly byte* Pixels;
public byte WantCaptureKeyboard; public readonly int Width;
/// <summary> public readonly int Height;
/// Some text input widget is active, which will read input characters from the InputCharacters array. public readonly int BytesPerPixel;
/// </summary>
public byte WantTextInput; public Alpha8TexData(byte* pixels, int width, int height, int bytesPerPixel)
/// <summary> {
/// Framerate estimation, in frame per second. Rolling average estimation based on IO.DeltaTime over 120 frames. Pixels = pixels;
/// </summary> Width = width;
public float Framerate; Height = height;
/// <summary> BytesPerPixel = bytesPerPixel;
/// Number of active memory allocations. }
/// </summary>
public int MetricsAllocs;
/// <summary>
/// Vertices output during last call to Render().
/// </summary>
public int MetricsRenderVertices;
/// <summary>
/// Indices output during last call to Render() = number of triangles * 3
/// </summary>
public int MetricsRenderIndices;
/// <summary>
/// Number of visible windows (exclude child windows)
/// </summary>
public int MetricsActiveWindows;
//------------------------------------------------------------------
// [Internal] ImGui will maintain those fields for you
//------------------------------------------------------------------
/// <summary>
/// Previous mouse position
/// </summary>
public Vector2 MousePosPrev;
/// <summary>
/// Mouse delta. Note that this is zero if either current or previous position are negative to allow mouse enabling/disabling.
/// </summary>
public Vector2 MouseDelta;
/// <summary>
/// Mouse button went from !Down to Down
/// </summary>
public fixed byte MouseClicked[5];
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos0;
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos1;
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos2;
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos3;
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos4;
/// <summary>
/// Time of last click (used to figure out double-click)
/// </summary>
public fixed float MouseClickedTime[5];
/// <summary>
/// Has mouse button been double-clicked?
/// </summary>
public fixed byte MouseDoubleClicked[5];
/// <summary>
/// Mouse button went from Down to !Down
/// </summary>
public fixed byte MouseReleased[5];
/// <summary>
/// Track if button was clicked inside a window.
/// We don't request mouse capture from the application if click started outside ImGui bounds.
/// </summary>
public fixed byte MouseDownOwned[5];
/// <summary>
/// Duration the mouse button has been down (0.0f == just clicked).
/// </summary>
public fixed float MouseDownDuration[5];
/// <summary>
/// Previous time the mouse button has been down
/// </summary>
public fixed float MouseDownDurationPrev[5];
/// <summary>
/// Squared maximum distance of how much mouse has traveled from the click point
/// </summary>
public fixed float MouseDragMaxDistanceSqr[5];
/// <summary>
/// Duration the keyboard key has been down (0.0f == just pressed)
/// </summary>
public fixed float KeysDownDuration[512];
/// <summary>
/// Previous duration the key has been down
/// </summary>
public fixed float KeysDownDurationPrev[512];
} }
} }

1
src/ImGui.NET/ImGui.NET.Net46.csproj
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@ -16,6 +16,7 @@
<Compile Include="Align.cs" /> <Compile Include="Align.cs" />
<Compile Include="ColorTarget.cs" /> <Compile Include="ColorTarget.cs" />
<Compile Include="MouseCursorKind.cs" /> <Compile Include="MouseCursorKind.cs" />
<Compile Include="NativeIO.cs" />
<Compile Include="SelectableFlags.cs" /> <Compile Include="SelectableFlags.cs" />
<Compile Include="StyleVar.cs" /> <Compile Include="StyleVar.cs" />
<Compile Include="WindowFlags.cs" /> <Compile Include="WindowFlags.cs" />

4
src/ImGui.NET/ImGui.NET.csproj
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@ -13,6 +13,7 @@
<Compile Include="Align.cs" /> <Compile Include="Align.cs" />
<Compile Include="ColorTarget.cs" /> <Compile Include="ColorTarget.cs" />
<Compile Include="MouseCursorKind.cs" /> <Compile Include="MouseCursorKind.cs" />
<Compile Include="NativeIO.cs" />
<Compile Include="SelectableFlags.cs" /> <Compile Include="SelectableFlags.cs" />
<Compile Include="StyleVar.cs" /> <Compile Include="StyleVar.cs" />
<Compile Include="TextInputBuffer.cs" /> <Compile Include="TextInputBuffer.cs" />
@ -87,5 +88,8 @@
<ItemGroup> <ItemGroup>
<None Include="project.json" /> <None Include="project.json" />
</ItemGroup> </ItemGroup>
<ItemGroup>
<Reference Include="System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL" />
</ItemGroup>
<Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" /> <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
</Project> </Project>

69
src/ImGui.NET/ImGui.cs
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@ -16,9 +16,20 @@ namespace ImGuiNET
ImGuiNative.igRender(); ImGuiNative.igRender();
} }
private static unsafe readonly IO s_io = new IO(ImGuiNative.igGetIO());
public static unsafe IO GetIO() => s_io;
private static unsafe readonly StyleWrapped s_style = new StyleWrapped(ImGuiNative.igGetStyle());
public static unsafe StyleWrapped GetStyle()
{
return s_style;
}
public static unsafe void LoadDefaultFont() public static unsafe void LoadDefaultFont()
{ {
IO* ioPtr = ImGuiNative.igGetIO(); NativeIO* ioPtr = ImGuiNative.igGetIO();
ImGuiNative.ImFontAtlas_AddFontDefault(ioPtr->FontAtlas); ImGuiNative.ImFontAtlas_AddFontDefault(ioPtr->FontAtlas);
} }
@ -57,6 +68,11 @@ namespace ImGuiNET
ImGuiNative.igSetNextWindowPosCenter(condition); ImGuiNative.igSetNextWindowPosCenter(condition);
} }
public static void AddInputCharacter(char keyChar)
{
ImGuiNative.ImGuiIO_AddInputCharacter(keyChar);
}
/// <summary> /// <summary>
/// Helper to scale the ClipRect field of each ImDrawCmd. /// Helper to scale the ClipRect field of each ImDrawCmd.
/// Use if your final output buffer is at a different scale than ImGui expects, /// Use if your final output buffer is at a different scale than ImGui expects,
@ -111,6 +127,11 @@ namespace ImGuiNET
return ImGuiNative.igBegin2(windowTitle, ref opened, new Vector2(), backgroundAlpha, flags); return ImGuiNative.igBegin2(windowTitle, ref opened, new Vector2(), backgroundAlpha, flags);
} }
public static bool BeginMenu(string label)
{
return ImGuiNative.igBeginMenu(label, true);
}
public static bool BeginMenu(string label, bool enabled) public static bool BeginMenu(string label, bool enabled)
{ {
return ImGuiNative.igBeginMenu(label, enabled); return ImGuiNative.igBeginMenu(label, enabled);
@ -189,6 +210,16 @@ namespace ImGuiNET
ImGuiNative.igPushStyleColor(target, color); ImGuiNative.igPushStyleColor(target, color);
} }
public static unsafe void InputTextMultiline(string label, IntPtr textBuffer, uint bufferSize, Vector2 size, InputTextFlags flags, TextEditCallback callback)
{
ImGuiNative.igInputTextMultiline(label, textBuffer, bufferSize, size, flags, callback, null);
}
public static unsafe DrawData* GetDrawData()
{
return ImGuiNative.igGetDrawData();
}
public static unsafe void InputTextMultiline(string label, IntPtr textBuffer, uint bufferSize, Vector2 size, InputTextFlags flags, TextEditCallback callback, IntPtr userData) public static unsafe void InputTextMultiline(string label, IntPtr textBuffer, uint bufferSize, Vector2 size, InputTextFlags flags, TextEditCallback callback, IntPtr userData)
{ {
ImGuiNative.igInputTextMultiline(label, textBuffer, bufferSize, size, flags, callback, userData.ToPointer()); ImGuiNative.igInputTextMultiline(label, textBuffer, bufferSize, size, flags, callback, userData.ToPointer());
@ -234,6 +265,16 @@ namespace ImGuiNET
return Selectable(label, isSelected, SelectableFlags.Default); return Selectable(label, isSelected, SelectableFlags.Default);
} }
public static void BeginMainMenuBar()
{
ImGuiNative.igBeginMainMenuBar();
}
public static void EndMainMenuBar()
{
ImGuiNative.igEndMainMenuBar();
}
public static bool Selectable(string label, bool isSelected, SelectableFlags flags) public static bool Selectable(string label, bool isSelected, SelectableFlags flags)
{ {
return Selectable(label, isSelected, flags, new Vector2()); return Selectable(label, isSelected, flags, new Vector2());
@ -254,6 +295,16 @@ namespace ImGuiNET
return result; return result;
} }
public static void SliderFloat(string sliderLabel, ref float value, float min, float max, string displayText, float power)
{
ImGuiNative.igSliderFloat(sliderLabel, ref value, min, max, displayText, power);
}
public static void TextColored(Vector4 colorRGBA, string text)
{
ImGuiNative.igTextColored(colorRGBA, text);
}
public static void SameLine() public static void SameLine()
{ {
ImGuiNative.igSameLine(0, 0); ImGuiNative.igSameLine(0, 0);
@ -296,4 +347,20 @@ namespace ImGuiNET
return result; return result;
} }
} }
public unsafe class StyleWrapped
{
private readonly Style* _stylePtr;
public StyleWrapped(Style* style)
{
_stylePtr = style;
}
public float WindowRounding
{
get { return _stylePtr->WindowRounding; }
set { _stylePtr->WindowRounding = value; }
}
}
} }

2
src/ImGui.NET/ImGuiNative.cs
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@ -12,7 +12,7 @@ namespace ImGuiNET
private const string cimguiLib = "cimgui"; private const string cimguiLib = "cimgui";
[DllImport(cimguiLib)] [DllImport(cimguiLib)]
public static extern IO* igGetIO(); /* { return (IO*)igGetIO_Raw().ToPointer(); } */ public static extern NativeIO* igGetIO(); /* { return (IO*)igGetIO_Raw().ToPointer(); } */
[DllImport(cimguiLib)] [DllImport(cimguiLib)]
public static extern Style* igGetStyle(); public static extern Style* igGetStyle();

305
src/ImGui.NET/NativeIO.cs
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@ -0,0 +1,305 @@
using System;
using System.Numerics;
using System.Runtime.InteropServices;
namespace ImGuiNET
{
[StructLayout(LayoutKind.Sequential)]
public unsafe struct NativeIO
{
//------------------------------------------------------------------
// Settings (fill once)
//------------------------------------------------------------------
/// <summary>
/// Display size, in pixels. For clamping windows positions.
/// Default value: [unset]
/// </summary>
public Vector2 DisplaySize;
/// <summary>
/// Time elapsed since last frame, in seconds.
/// Default value: 1.0f / 10.0f.
/// </summary>
public float DeltaTime;
/// <summary>
/// Maximum time between saving positions/sizes to .ini file, in seconds.
/// Default value: 5.0f.
/// </summary>
public float IniSavingRate;
/// <summary>
/// Path to .ini file. NULL to disable .ini saving.
/// Default value: "imgui.ini"
/// </summary>
public IntPtr IniFilename;
/// <summary>
/// Path to .log file (default parameter to ImGui::LogToFile when no file is specified).
/// Default value: "imgui_log.txt"
/// </summary>
public IntPtr LogFilename;
/// <summary>
/// Time for a double-click, in seconds.
/// Default value: 0.30f.
/// </summary>
public float MouseDoubleClickTime;
/// <summary>
/// Distance threshold to stay in to validate a double-click, in pixels.
/// Default Value: 6.0f.
/// </summary>
public float MouseDoubleClickMaxDist;
/// <summary>
/// Distance threshold before considering we are dragging.
/// Default Value: 6.0f.
/// </summary>
public float MouseDragThreshold;
/// <summary>
/// Map of indices into the KeysDown[512] entries array.
/// Default values: [unset]
/// </summary>
public fixed int KeyMap[(int)GuiKey.Count];
/// <summary>
/// When holding a key/button, time before it starts repeating, in seconds. (for actions where 'repeat' is active).
/// Default value: 0.250f.
/// </summary>
public float KeyRepeatDelay;
/// <summary>
/// When holding a key/button, rate at which it repeats, in seconds.
/// Default value: 0.020f.
/// </summary>
public float KeyRepeatRate;
/// <summary>
/// Store your own data for retrieval by callbacks.
/// Default value; IntPtr.Zero.
/// </summary>
public IntPtr UserData;
/// <summary>
/// Load and assemble one or more fonts into a single tightly packed texture. Output to Fonts array.
/// Default value: [auto]
/// </summary>
public FontAtlas* FontAtlas;
/// <summary>
/// Global scale all fonts.
/// Default value: 1.0f.
/// </summary>
public float FontGlobalScale;
/// <summary>
/// Allow user scaling text of individual window with CTRL+Wheel.
/// Default value: false.
/// </summary>
public byte FontAllowUserScaling;
/// <summary>
/// For retina display or other situations where window coordinates are different from framebuffer coordinates.
/// User storage only, presently not used by ImGui.
/// Default value: (1.0f, 1.0f).
/// </summary>
public Vector2 DisplayFramebufferScale;
/// <summary>
/// If you use DisplaySize as a virtual space larger than your screen, set DisplayVisibleMin/Max to the visible area.
/// Default value: (0.0f, 0.0f)
/// </summary>
public Vector2 DisplayVisibleMin;
/// <summary>
/// If the values are the same, we defaults to Min=0.0f) and Max=DisplaySize.
/// Default value: (0.0f, 0.0f).
/// </summary>
public Vector2 DisplayVisibleMax; // <unset> (0.0f,0.0f) // If the values are the same, we defaults to Min=(0.0f) and Max=DisplaySize
//------------------------------------------------------------------
// User Functions
//------------------------------------------------------------------
/// <summary>
/// Rendering function, will be called in Render().
/// Alternatively you can keep this to NULL and call GetDrawData() after Render() to get the same pointer.
/// </summary>
public IntPtr RenderDrawListsFn;
/// <summary>
/// Optional: access OS clipboard
/// (default to use native Win32 clipboard on Windows, otherwise uses a private clipboard. Override to access OS clipboard on other architectures)
/// </summary>
public IntPtr GetClipboardTextFn;
/// <summary>
/// Optional: access OS clipboard
/// (default to use native Win32 clipboard on Windows, otherwise uses a private clipboard. Override to access OS clipboard on other architectures)
/// </summary>
public IntPtr SetClipboardTextFn;
/// <summary>
/// Optional: override memory allocations. MemFreeFn() may be called with a NULL pointer.
/// (default to posix malloc/free)
/// </summary>
public IntPtr MemAllocFn;
/// <summary>
/// Optional: override memory allocations. MemFreeFn() may be called with a NULL pointer.
/// (default to posix malloc/free)
/// </summary>
public IntPtr MemFreeFn;
/// <summary>
/// Optional: notify OS Input Method Editor of the screen position of your cursor for text input position (e.g. when using Japanese/Chinese IME in Windows)
/// (default to use native imm32 api on Windows)
/// </summary>
public IntPtr ImeSetInputScreenPosFn;
/// <summary>
/// (Windows) Set this to your HWND to get automatic IME cursor positioning.
/// </summary>
public IntPtr ImeWindowHandle;
//------------------------------------------------------------------
// Input - Fill before calling NewFrame()
//------------------------------------------------------------------
/// <summary>
/// Mouse position, in pixels (set to -1,-1 if no mouse / on another screen, etc.).
/// </summary>
public Vector2 MousePos;
/// <summary>
/// Mouse buttons: left, right, middle + extras.
/// ImGui itself mostly only uses left button (BeginPopupContext** are using right button).
/// Others buttons allows us to track if the mouse is being used by your application + available to user as a convenience via IsMouse** API.
/// </summary>
public fixed byte MouseDown[5];
/// <summary>
/// Mouse wheel: 1 unit scrolls about 5 lines text.
/// </summary>
public float MouseWheel;
/// <summary>
/// Request ImGui to draw a mouse cursor for you (if you are on a platform without a mouse cursor).
/// </summary>
public byte MouseDrawCursor;
/// <summary>
/// Keyboard modifier pressed: Control.
/// </summary>
public byte KeyCtrl;
/// <summary>
/// Keyboard modifier pressed: Shift
/// </summary>
public byte KeyShift;
/// <summary>
/// Keyboard modifier pressed: Alt
/// </summary>
public byte KeyAlt;
/// <summary>
/// Keyboard keys that are pressed (in whatever storage order you naturally have access to keyboard data)
/// </summary>
public fixed byte KeysDown[512];
/// <summary>
/// List of characters input (translated by user from keypress+keyboard state).
/// Fill using AddInputCharacter() helper.
/// </summary>
public fixed ushort InputCharacters[16 + 1];
//------------------------------------------------------------------
// Output - Retrieve after calling NewFrame(), you can use them to discard inputs or hide them from the rest of your application
//------------------------------------------------------------------
/// <summary>
/// Mouse is hovering a window or widget is active (= ImGui will use your mouse input).
/// </summary>
public byte WantCaptureMouse;
/// <summary>
/// Widget is active (= ImGui will use your keyboard input).
/// </summary>
public byte WantCaptureKeyboard;
/// <summary>
/// Some text input widget is active, which will read input characters from the InputCharacters array.
/// </summary>
public byte WantTextInput;
/// <summary>
/// Framerate estimation, in frame per second. Rolling average estimation based on IO.DeltaTime over 120 frames.
/// </summary>
public float Framerate;
/// <summary>
/// Number of active memory allocations.
/// </summary>
public int MetricsAllocs;
/// <summary>
/// Vertices output during last call to Render().
/// </summary>
public int MetricsRenderVertices;
/// <summary>
/// Indices output during last call to Render() = number of triangles * 3
/// </summary>
public int MetricsRenderIndices;
/// <summary>
/// Number of visible windows (exclude child windows)
/// </summary>
public int MetricsActiveWindows;
//------------------------------------------------------------------
// [Internal] ImGui will maintain those fields for you
//------------------------------------------------------------------
/// <summary>
/// Previous mouse position
/// </summary>
public Vector2 MousePosPrev;
/// <summary>
/// Mouse delta. Note that this is zero if either current or previous position are negative to allow mouse enabling/disabling.
/// </summary>
public Vector2 MouseDelta;
/// <summary>
/// Mouse button went from !Down to Down
/// </summary>
public fixed byte MouseClicked[5];
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos0;
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos1;
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos2;
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos3;
/// <summary>
/// Position at time of clicking
/// </summary>
public Vector2 MouseClickedPos4;
/// <summary>
/// Time of last click (used to figure out double-click)
/// </summary>
public fixed float MouseClickedTime[5];
/// <summary>
/// Has mouse button been double-clicked?
/// </summary>
public fixed byte MouseDoubleClicked[5];
/// <summary>
/// Mouse button went from Down to !Down
/// </summary>
public fixed byte MouseReleased[5];
/// <summary>
/// Track if button was clicked inside a window.
/// We don't request mouse capture from the application if click started outside ImGui bounds.
/// </summary>
public fixed byte MouseDownOwned[5];
/// <summary>
/// Duration the mouse button has been down (0.0f == just clicked).
/// </summary>
public fixed float MouseDownDuration[5];
/// <summary>
/// Previous time the mouse button has been down
/// </summary>
public fixed float MouseDownDurationPrev[5];
/// <summary>
/// Squared maximum distance of how much mouse has traveled from the click point
/// </summary>
public fixed float MouseDragMaxDistanceSqr[5];
/// <summary>
/// Duration the keyboard key has been down (0.0f == just pressed)
/// </summary>
public fixed float KeysDownDuration[512];
/// <summary>
/// Previous duration the key has been down
/// </summary>
public fixed float KeysDownDurationPrev[512];
}
}
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