copygirl
/
ImGui.NET
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

App wrappers for all of the sample code usage

Browse Source
internals
Eric Mellino 9 years ago
parent 52b84f81ff
commit 1e600bff54
9 changed files with 706 additions and 395 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  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
Unescape View File

@ -4,7 +4,8 @@ namespace ImGuiNET
{
public static unsafe void Main(string[] args)
{
new SampleWindow().RunWindowLoop();
var window = new SampleWindow();
window.RunWindowLoop();
}
}
}

194
src/ImGui.NET.SampleProgram/SampleWindow.cs
Unescape View File

@ -30,11 +30,10 @@ namespace ImGuiNET
public unsafe SampleWindow()
{
_nativeWindow = new NativeWindow(960, 540, "ImGui.NET", GameWindowFlags.Default, OpenTK.Graphics.GraphicsMode.Default, DisplayDevice.Default);
_nativeWindow.WindowBorder = WindowBorder.Resizable;
GraphicsContextFlags flags = GraphicsContextFlags.Default;
_graphicsContext = new GraphicsContext(GraphicsMode.Default, _nativeWindow.WindowInfo, 3, 0, flags);
_graphicsContext.MakeCurrent(_nativeWindow.WindowInfo);
_graphicsContext.LoadAll(); // wtf is this?
((IGraphicsContextInternal)_graphicsContext).LoadAll(); // wtf is this?
GL.ClearColor(Color.Black);
_nativeWindow.Visible = true;
@ -42,10 +41,9 @@ namespace ImGuiNET
_nativeWindow.KeyUp += OnKeyUp;
_nativeWindow.KeyPress += OnKeyPress;
IO* io = ImGuiNative.igGetIO();
ImGuiNative.ImFontAtlas_AddFontDefault(io->FontAtlas);
ImGui.LoadDefaultFont();
SetOpenTKKeyMappings(io);
SetOpenTKKeyMappings();
_textInputBufferLength = 1024;
_textInputBuffer = Marshal.AllocHGlobal(_textInputBufferLength);
@ -60,85 +58,94 @@ namespace ImGuiNET
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->KeyMap[(int)GuiKey.LeftArrow] = (int)Key.Left;
io->KeyMap[(int)GuiKey.RightArrow] = (int)Key.Right;
io->KeyMap[(int)GuiKey.UpArrow] = (int)Key.Up;
io->KeyMap[(int)GuiKey.DownArrow] = (int)Key.Down;
io->KeyMap[(int)GuiKey.PageUp] = (int)Key.PageUp;
io->KeyMap[(int)GuiKey.PageDown] = (int)Key.PageDown;
io->KeyMap[(int)GuiKey.Home] = (int)Key.Home;
io->KeyMap[(int)GuiKey.End] = (int)Key.End;
io->KeyMap[(int)GuiKey.Delete] = (int)Key.Delete;
io->KeyMap[(int)GuiKey.Backspace] = (int)Key.BackSpace;
io->KeyMap[(int)GuiKey.Enter] = (int)Key.Enter;
io->KeyMap[(int)GuiKey.Escape] = (int)Key.Escape;
io->KeyMap[(int)GuiKey.A] = (int)Key.A;
io->KeyMap[(int)GuiKey.C] = (int)Key.C;
io->KeyMap[(int)GuiKey.V] = (int)Key.V;
io->KeyMap[(int)GuiKey.X] = (int)Key.X;
io->KeyMap[(int)GuiKey.Y] = (int)Key.Y;
io->KeyMap[(int)GuiKey.Z] = (int)Key.Z;
IO io = ImGui.GetIO();
io.KeyMap[GuiKey.Tab] = (int)Key.Tab;
io.KeyMap[GuiKey.LeftArrow] = (int)Key.Left;
io.KeyMap[GuiKey.RightArrow] = (int)Key.Right;
io.KeyMap[GuiKey.UpArrow] = (int)Key.Up;
io.KeyMap[GuiKey.DownArrow] = (int)Key.Down;
io.KeyMap[GuiKey.PageUp] = (int)Key.PageUp;
io.KeyMap[GuiKey.PageDown] = (int)Key.PageDown;
io.KeyMap[GuiKey.Home] = (int)Key.Home;
io.KeyMap[GuiKey.End] = (int)Key.End;
io.KeyMap[GuiKey.Delete] = (int)Key.Delete;
io.KeyMap[GuiKey.Backspace] = (int)Key.BackSpace;
io.KeyMap[GuiKey.Enter] = (int)Key.Enter;
io.KeyMap[GuiKey.Escape] = (int)Key.Escape;
io.KeyMap[GuiKey.A] = (int)Key.A;
io.KeyMap[GuiKey.C] = (int)Key.C;
io.KeyMap[GuiKey.V] = (int)Key.V;
io.KeyMap[GuiKey.X] = (int)Key.X;
io.KeyMap[GuiKey.Y] = (int)Key.Y;
io.KeyMap[GuiKey.Z] = (int)Key.Z;
}
private unsafe void OnKeyDown(object sender, KeyboardKeyEventArgs e)
{
var ptr = ImGuiNative.igGetIO();
ptr->KeysDown[(int)e.Key] = 1;
UpdateModifiers(e, ptr);
ImGui.GetIO().KeysDown[(int)e.Key] = true;
UpdateModifiers(e);
}
private unsafe void OnKeyUp(object sender, KeyboardKeyEventArgs e)
{
var ptr = ImGuiNative.igGetIO();
ptr->KeysDown[(int)e.Key] = 0;
UpdateModifiers(e, ptr);
ImGui.GetIO().KeysDown[(int)e.Key] = false;
UpdateModifiers(e);
}
private static unsafe void UpdateModifiers(KeyboardKeyEventArgs e, IO* ptr)
private static unsafe void UpdateModifiers(KeyboardKeyEventArgs e)
{
ptr->KeyAlt = e.Alt ? (byte)1 : (byte)0;
ptr->KeyCtrl = e.Control ? (byte)1 : (byte)0;
ptr->KeyShift = e.Shift ? (byte)1 : (byte)0;
IO io = ImGui.GetIO();
io.AltPressed = e.Alt;
io.CtrlPressed = e.Control;
io.ShiftPressed = e.Shift;
}
private unsafe void CreateDeviceObjects()
{
IO* io = ImGuiNative.igGetIO();
IO io = ImGui.GetIO();
// Build texture atlas
byte* pixels;
int width, height;
ImGuiNative.ImFontAtlas_GetTexDataAsAlpha8(io->FontAtlas, &pixels, &width, &height, null);
Alpha8TexData texData = io.FontAtlas.GetTexDataAsAlpha8();
// Create OpenGL texture
s_fontTexture = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, s_fontTexture);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (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.
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)
//io.Fonts->ClearInputData();
ImGuiNative.ImFontAtlas_ClearTexData(io->FontAtlas);
io.FontAtlas.ClearTexData();
GL.BindTexture(TextureTarget.Texture2D, 0);
}
public void RunWindowLoop()
{
_nativeWindow.Visible = true;
while (_nativeWindow.Visible)
{
_previousFrameStartTime = DateTime.UtcNow;
RenderFrame();
_nativeWindow.ProcessEvents();
DateTime afterFrameTime = DateTime.UtcNow;
@ -151,79 +158,78 @@ namespace ImGuiNET
{
Thread.Sleep(0);
}
Thread.Sleep((int)(sleepTime * 1000));
}
}
}
private unsafe void RenderFrame()
{
IO* io = ImGuiNative.igGetIO();
io->DisplaySize = new System.Numerics.Vector2(_nativeWindow.Width, _nativeWindow.Height);
io->DisplayFramebufferScale = new System.Numerics.Vector2(1, 1);
io->DeltaTime = (1f / 60f);
IO io = ImGui.GetIO();
io.DisplaySize = new System.Numerics.Vector2(_nativeWindow.Width, _nativeWindow.Height);
io.DisplayFramebufferScale = new System.Numerics.Vector2(1, 1);
io.DeltaTime = (1f / 60f);
UpdateImGuiInput(io);
ImGuiNative.igNewFrame();
ImGui.NewFrame();
SubmitImGuiStiff();
SubmitImGuiStuff();
ImGuiNative.igRender();
ImGui.Render();
DrawData* data = ImGuiNative.igGetDrawData();
DrawData* data = ImGui.GetDrawData();
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);
ImGuiNative.igSetNextWindowPosCenter(SetCondition.Always);
ImGuiNative.igBegin("ImGUI.NET Sample Program", ref _mainWindowOpened, WindowFlags.NoResize | WindowFlags.NoTitleBar | WindowFlags.NoMove);
ImGui.SetNextWindowSize(new System.Numerics.Vector2(_nativeWindow.Width - 10, _nativeWindow.Height - 20), SetCondition.Always);
ImGui.SetNextWindowPosCenter(SetCondition.Always);
ImGui.BeginWindow("ImGUI.NET Sample Program", ref _mainWindowOpened, WindowFlags.NoResize | WindowFlags.NoTitleBar | WindowFlags.NoMove);
ImGuiNative.igBeginMainMenuBar();
if (ImGuiNative.igBeginMenu("Help"))
ImGui.BeginMainMenuBar();
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,");
ImGuiNative.igText("World!");
ImGuiNative.igText("From ImGui.NET. ...Did that work?");
var pos = ImGuiNative.igGetIO()->MousePos;
bool leftPressed = ImGuiNative.igGetIO()->MouseDown[0] == 1;
ImGuiNative.igText("Current mouse position: " + pos + ". Pressed=" + leftPressed);
ImGui.Text("Hello,");
ImGui.Text("World!");
ImGui.Text("From ImGui.NET. ...Did that work?");
var pos = ImGui.GetIO().MousePosition;
bool leftPressed = ImGui.GetIO().MouseDown[0];
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;
}
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,
new System.Numerics.Vector2(360, 240),
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!");
ImGuiNative.igTreePop();
ImGui.Text("Word!");
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)))
{
_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)
{
char currentEventChar = (char)data->EventChar;
Console.WriteLine("Event char: " + currentEventChar);
return 0;
}
private unsafe void UpdateImGuiInput(IO* io)
private unsafe void UpdateImGuiInput(IO io)
{
MouseState cursorState = Mouse.GetCursorState();
MouseState mouseState = Mouse.GetState();
@ -254,21 +264,21 @@ namespace ImGuiNET
if (_nativeWindow.Bounds.Contains(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
{
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[1] = (mouseState.RightButton == ButtonState.Pressed) ? (byte)255 : (byte)0; // Right
io->MouseDown[2] = (mouseState.MiddleButton == ButtonState.Pressed) ? (byte)255 : (byte)0; // Middle
io.MouseDown[0] = mouseState.LeftButton == ButtonState.Pressed;
io.MouseDown[1] = mouseState.RightButton == ButtonState.Pressed;
io.MouseDown[2] = mouseState.MiddleButton == ButtonState.Pressed;
float newWheelPos = mouseState.WheelPrecise;
float delta = newWheelPos - _wheelPosition;
_wheelPosition = newWheelPos;
io->MouseWheel = delta;
io.MouseWheel = delta;
}
private unsafe void RenderImDrawData(DrawData* draw_data)
@ -301,15 +311,15 @@ namespace ImGuiNET
GL.UseProgram(0);
// Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays)
IO* io = ImGuiNative.igGetIO();
float fb_height = io->DisplaySize.Y * io->DisplayFramebufferScale.Y;
ImGui.ScaleClipRects(draw_data, io->DisplayFramebufferScale);
IO io = ImGui.GetIO();
float fb_height = io.DisplaySize.Y * io.DisplayFramebufferScale.Y;
ImGui.ScaleClipRects(draw_data, io.DisplayFramebufferScale);
// Setup orthographic projection matrix
GL.MatrixMode(MatrixMode.Projection);
GL.PushMatrix();
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.PushMatrix();
GL.LoadIdentity();

19
src/ImGui.NET/DrawData.cs
Unescape View File

@ -2,14 +2,25 @@
namespace ImGuiNET
{
// All draw data to render an ImGui frame
/// <summary>
/// All draw data to render an ImGui frame
/// </summary>
[StructLayout(LayoutKind.Sequential)]
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 int CmdListsCount;
public int TotalVtxCount; // For convenience, sum of all cmd_lists vtx_buffer.Size
public int TotalIdxCount; // For convenience, sum of all cmd_lists idx_buffer.Size
/// <summary>
/// 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
Unescape View File

@ -4,302 +4,214 @@ using System.Runtime.InteropServices;
namespace ImGuiNET
{
[StructLayout(LayoutKind.Sequential)]
public unsafe struct IO
{
//------------------------------------------------------------------
// 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];
public unsafe class IO
{
private NativeIO* _nativePtr;
internal IO(NativeIO* nativePtr)
{
_nativePtr = nativePtr;
MouseDown = new MouseDownStates(nativePtr);
KeyMap = new KeyMap(_nativePtr);
KeysDown = new KeyDownStates(_nativePtr);
FontAtlas = new FontAtlasWrapped(_nativePtr->FontAtlas);
}
public NativeIO* GetNativePointer() => _nativePtr;
public float DeltaTime
{
get { return _nativePtr->DeltaTime; }
set { _nativePtr->DeltaTime = value; }
}
public Vector2 DisplayFramebufferScale
{
get { return _nativePtr->DisplayFramebufferScale; }
set { _nativePtr->DisplayFramebufferScale = value; }
}
public Vector2 DisplaySize
{
get { return _nativePtr->DisplaySize; }
set { _nativePtr->DisplaySize = value; }
}
public Vector2 MousePosition
{
get { return _nativePtr->MousePos; }
set { _nativePtr->MousePos = value; }
}
public float MouseWheel
{
get { return _nativePtr->MouseWheel; }
set { _nativePtr->MouseWheel = value; }
}
public MouseDownStates MouseDown { get; }
public KeyMap KeyMap { get; }
public KeyDownStates KeysDown { get; }
public FontAtlasWrapped FontAtlas { get; }
public bool AltPressed
{
get { return _nativePtr->KeyAlt == 1; }
set { _nativePtr->KeyAlt = value ? (byte)1 : (byte)0; }
}
public bool CtrlPressed
{
get { return _nativePtr->KeyCtrl == 1; }
set { _nativePtr->KeyCtrl = value ? (byte)1 : (byte)0; }
}
public bool ShiftPressed
{
get { return _nativePtr->KeyShift == 1; }
set { _nativePtr->KeyShift = value ? (byte)1 : (byte)0; }
}
}
public unsafe class KeyMap
{
private readonly NativeIO* _nativePtr;
public KeyMap(NativeIO* nativePtr)
{
_nativePtr = nativePtr;
}
public int this[GuiKey key]
{
get
{
return _nativePtr->KeyMap[(int)key];
}
set
{
_nativePtr->KeyMap[(int)key] = value;
}
}
}
public unsafe class MouseDownStates
{
private readonly NativeIO* _nativePtr;
public MouseDownStates(NativeIO* nativePtr)
{
_nativePtr = nativePtr;
}
public bool this[int button]
{
get
{
if (button < 0 || button > 5)
{
throw new ArgumentOutOfRangeException(nameof(button));
}
return _nativePtr->MouseDown[button] == 1;
}
set
{
if (button < 0 || button > 5)
{
throw new ArgumentOutOfRangeException(nameof(button));
}
byte pressed = value ? (byte)1 : (byte)0;
_nativePtr->MouseDown[button] = pressed;
}
}
}
public unsafe class KeyDownStates
{
private readonly NativeIO* _nativePtr;
public KeyDownStates(NativeIO* nativePtr)
{
_nativePtr = nativePtr;
}
public bool this[int key]
{
get
{
if (key < 0 || key > 512)
{
throw new ArgumentOutOfRangeException(nameof(key));
}
return _nativePtr->KeysDown[key] == 1;
}
set
{
if (key < 0 || key > 512)
{
throw new ArgumentOutOfRangeException(nameof(key));
}
byte pressed = value ? (byte)1 : (byte)0;
_nativePtr->KeysDown[key] = pressed;
}
}
}
public unsafe class FontAtlasWrapped
{
private readonly FontAtlas* _atlasPtr;
public FontAtlasWrapped(FontAtlas* atlasPtr)
{
_atlasPtr = atlasPtr;
}
public Alpha8TexData GetTexDataAsAlpha8()
{
byte* pixels;
int width, height;
int bytesPerPixel;
ImGuiNative.ImFontAtlas_GetTexDataAsAlpha8(_atlasPtr, &pixels, &width, &height, &bytesPerPixel);
return new Alpha8TexData(pixels, width, height, bytesPerPixel);
}
public void SetTexID(int textureID)
{
SetTexID(new IntPtr(textureID));
}
public void SetTexID(IntPtr textureID)
{
ImGuiNative.ImFontAtlas_SetTexID(_atlasPtr, textureID.ToPointer());
}
public void ClearTexData()
{
ImGuiNative.ImFontAtlas_ClearTexData(_atlasPtr);
}
}
public unsafe struct Alpha8TexData
{
public readonly byte* Pixels;
public readonly int Width;
public readonly int Height;
public readonly int BytesPerPixel;
public Alpha8TexData(byte* pixels, int width, int height, int bytesPerPixel)
{
Pixels = pixels;
Width = width;
Height = height;
BytesPerPixel = bytesPerPixel;
}
}
}

1
src/ImGui.NET/ImGui.NET.Net46.csproj
Unescape View File

@ -16,6 +16,7 @@
<Compile Include="Align.cs" />
<Compile Include="ColorTarget.cs" />
<Compile Include="MouseCursorKind.cs" />
<Compile Include="NativeIO.cs" />
<Compile Include="SelectableFlags.cs" />
<Compile Include="StyleVar.cs" />
<Compile Include="WindowFlags.cs" />

4
src/ImGui.NET/ImGui.NET.csproj
Unescape View File

@ -13,6 +13,7 @@
<Compile Include="Align.cs" />
<Compile Include="ColorTarget.cs" />
<Compile Include="MouseCursorKind.cs" />
<Compile Include="NativeIO.cs" />
<Compile Include="SelectableFlags.cs" />
<Compile Include="StyleVar.cs" />
<Compile Include="TextInputBuffer.cs" />
@ -87,5 +88,8 @@
<ItemGroup>
<None Include="project.json" />
</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" />
</Project>

69
src/ImGui.NET/ImGui.cs
Unescape View File

@ -16,9 +16,20 @@ namespace ImGuiNET
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()
{
IO* ioPtr = ImGuiNative.igGetIO();
NativeIO* ioPtr = ImGuiNative.igGetIO();
ImGuiNative.ImFontAtlas_AddFontDefault(ioPtr->FontAtlas);
}
@ -57,6 +68,11 @@ namespace ImGuiNET
ImGuiNative.igSetNextWindowPosCenter(condition);
}
public static void AddInputCharacter(char keyChar)
{
ImGuiNative.ImGuiIO_AddInputCharacter(keyChar);
}
/// <summary>
/// Helper to scale the ClipRect field of each ImDrawCmd.
/// 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);
}
public static bool BeginMenu(string label)
{
return ImGuiNative.igBeginMenu(label, true);
}
public static bool BeginMenu(string label, bool enabled)
{
return ImGuiNative.igBeginMenu(label, enabled);
@ -189,6 +210,16 @@ namespace ImGuiNET
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)
{
ImGuiNative.igInputTextMultiline(label, textBuffer, bufferSize, size, flags, callback, userData.ToPointer());
@ -234,6 +265,16 @@ namespace ImGuiNET
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)
{
return Selectable(label, isSelected, flags, new Vector2());
@ -254,6 +295,16 @@ namespace ImGuiNET
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()
{
ImGuiNative.igSameLine(0, 0);
@ -296,4 +347,20 @@ namespace ImGuiNET
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
Unescape View File

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

305
src/ImGui.NET/NativeIO.cs
Unescape View File

@ -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];
}
}
Write Preview
Loading…
Cancel
Save