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* Copyright 2019 by its authors. See AUTHORS.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#pragma warning disable 1591
using System;
using System.Runtime.InteropServices;
using System.Collections.Generic;
///<summary>Eo class description, passed to efl_class_new.</summary>
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct ClassDescription
///<summary>Current Eo version.</summary>
public uint version;
///<summary>Name of the class.</summary>
[MarshalAs(UnmanagedType.LPStr)] public String name;
///<summary>Class type.</summary>
public int class_type;
///<summary>Size of data (private + protected + public) per instance.</summary>
public UIntPtr data_size;
///<summary>Initializer for the class.</summary>
public IntPtr class_initializer;
///<summary>Constructor of the class.</summary>
public IntPtr class_constructor;
///<summary>Destructor of the class.</summary>
public IntPtr class_destructor;
///<summary>Description of an Eo API operation.</summary>
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct EflOpDescription
///<summary>The EAPI function offering this op. (String with the name of the function on Windows)</summary>
public IntPtr api_func;
///<summary>The static function to be called for this op</summary>
public IntPtr func;
///<summary>List of operations on a given Object.</summary>
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct EflObjectOps
///<summary>The op descriptions array of size count.</summary>
public IntPtr descs;
///<summary>Number of op descriptions.</summary>
public UIntPtr count;
namespace Efl
///<summary>This struct holds the description of a specific event (Since EFL 1.22).</summary>
public struct EventDescription
///<summary>Name of the event.</summary>
public IntPtr Name;
///<summary><c>true</c> if the event cannot be frozen.</summary>
[MarshalAs(UnmanagedType.U1)] public bool Unfreezable;
///<summary>Internal use: <c>true</c> if this is a legacy event.</summary>
[MarshalAs(UnmanagedType.U1)] public bool Legacy_is;
///<summary><c>true</c> if when the even is triggered again from a callback it
///will start from where it was.</summary>
[MarshalAs(UnmanagedType.U1)] public bool Restart;
private static Dictionary<string, IntPtr> descriptions = new Dictionary<string, IntPtr>();
///<summary>Constructor for EventDescription</summary>
///<param name="moduleName">The name of the module containing the event.</param>
///<param name="name">The name of the event.</param>
public EventDescription(string moduleName, string name)
this.Name = GetNative(moduleName, name);
this.Unfreezable = false;
this.Legacy_is = false;
this.Restart = false;
///<summary>Get the native structure.</summary>
///<param name="moduleName">The name of the module containing the event.</param>
///<param name="name">The name of the event.</param>
///<returns>Pointer to the native structure.</returns>
public static IntPtr GetNative(string moduleName, string name)
if (!descriptions.ContainsKey(name))
IntPtr data = Efl.Eo.FunctionInterop.LoadFunctionPointer(moduleName, name);
if (data == IntPtr.Zero)
string error = Eina.StringConversion.NativeUtf8ToManagedString(Efl.Eo.Globals.dlerror());
throw new Exception(error);
descriptions.Add(name, data);
return descriptions[name];
/// <summary>
/// A parameter passed in event callbacks holding extra event parameters.
/// This is the full event information passed to callbacks in C.
/// (Since EFL 1.22)
/// </summary>
public struct Event
/// <summary>The object the callback was called on.
/// (Since EFL 1.22)</summary>
public Efl.Object Object;
/// <summary>The event description.
/// (Since EFL 1.22)</summary>
public Efl.EventDescription Desc;
/// <summary>Extra event information passed by the event caller.
/// Must be cast to the event type declared in the EO file. Keep in mind that:
/// 1) Objects are passed as a normal Eo*. Event subscribers can call functions on these objects.
/// 2) Structs, built-in types and containers are passed as const pointers, with one level of indirection.
/// (Since EFL 1.22)</summary>
public System.IntPtr Info;
/// <summary>Constructor for Event.</summary>
public Event(
Efl.Object obj = default(Efl.Object),
Efl.EventDescription desc = default(Efl.EventDescription),
System.IntPtr info = default(System.IntPtr))
this.Object = obj;
this.Desc = desc;
this.Info = info;
/// <summary>Implicit conversion to the managed representation from a native pointer.</summary>
/// <param name="ptr">Native pointer to be converted.</param>
public static implicit operator Event(IntPtr ptr)
var tmp = (Event.NativeStruct) Marshal.PtrToStructure(ptr, typeof(Event.NativeStruct));
return tmp;
/// <summary>Internal wrapper for struct Event.</summary>
public struct NativeStruct
/// <summary>Internal wrapper for field Object</summary>
public System.IntPtr Object;
/// <summary>Internal wrapper for field Desc</summary>
public System.IntPtr Desc;
/// <summary>Internal wrapper for field Info</summary>
public System.IntPtr Info;
/// <summary>Implicit conversion to the internal/marshalling representation.</summary>
/// <param name="externalStruct">Managed struct to be converted.</param>
/// <returns>Native representation of the managed struct.</returns>
public static implicit operator Event.NativeStruct(Event externalStruct)
var internalStruct = new Event.NativeStruct();
internalStruct.Object = externalStruct.Object?.NativeHandle ?? System.IntPtr.Zero;
internalStruct.Desc = Eina.PrimitiveConversion.ManagedToPointerAlloc(externalStruct.Desc);
internalStruct.Info = externalStruct.Info;
return internalStruct;
/// <summary>Implicit conversion to the managed representation.</summary>
/// <param name="internalStruct">Native struct to be converted.</param>
/// <returns>Managed representation of the native struct.</returns>
public static implicit operator Event(Event.NativeStruct internalStruct)
var externalStruct = new Event();
externalStruct.Object = (Efl.Object) Efl.Eo.Globals.CreateWrapperFor(internalStruct.Object);
externalStruct.Desc = Eina.PrimitiveConversion.PointerToManaged<Efl.EventDescription>(internalStruct.Desc);
externalStruct.Info = internalStruct.Info;
return externalStruct;
public delegate void EventCb(System.IntPtr data, ref Event.NativeStruct evt);
public delegate void FreeWrapperSupervisorCb(System.IntPtr obj);
public struct TextCursorCursor
IntPtr obj;
UIntPtr pos; // UIntPtr to automatically change size_t between 32/64
IntPtr node;
[MarshalAsAttribute(UnmanagedType.U1)]bool changed;
public struct TextAnnotateAnnotation
IntPtr list;
IntPtr obj;
IntPtr start_node;
IntPtr end_node;
[MarshalAsAttribute(UnmanagedType.U1)]bool is_item;
namespace Access
public struct ActionData
public IntPtr name;
public IntPtr action;
public IntPtr param;
public IntPtr func;
} // namespace Access
} // namespace Efl
// Global delegates
public delegate void EinaFreeCb(IntPtr data);
public delegate void EvasSmartCb(IntPtr data, IntPtr obj, IntPtr event_info);