/*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* 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;
///Eo class description, passed to efl_class_new.
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct ClassDescription
{
///Current Eo version.
public uint version;
///Name of the class.
[MarshalAs(UnmanagedType.LPStr)] public String name;
///Class type.
public int class_type;
///Size of data (private + protected + public) per instance.
public UIntPtr data_size;
///Initializer for the class.
public IntPtr class_initializer;
///Constructor of the class.
public IntPtr class_constructor;
///Destructor of the class.
public IntPtr class_destructor;
}
///Description of an Eo API operation.
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct EflOpDescription
{
///The EAPI function offering this op. (String with the name of the function on Windows)
public IntPtr api_func;
///The static function to be called for this op
public IntPtr func;
}
///List of operations on a given Object.
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct EflObjectOps
{
///The op descriptions array of size count.
public IntPtr descs;
///Number of op descriptions.
public UIntPtr count;
};
namespace Efl
{
///This struct holds the description of a specific event (Since EFL 1.22).
[StructLayout(LayoutKind.Sequential)]
public struct EventDescription
{
///Name of the event.
public IntPtr Name;
///true if the event cannot be frozen.
[MarshalAs(UnmanagedType.U1)] public bool Unfreezable;
///Internal use: true if this is a legacy event.
[MarshalAs(UnmanagedType.U1)] public bool Legacy_is;
///true if when the even is triggered again from a callback it
///will start from where it was.
[MarshalAs(UnmanagedType.U1)] public bool Restart;
private static Dictionary descriptions = new Dictionary();
///Constructor for EventDescription
///The name of the module containing the event.
///The name of the event.
public EventDescription(string moduleName, string name)
{
this.Name = GetNative(moduleName, name);
this.Unfreezable = false;
this.Legacy_is = false;
this.Restart = false;
}
///Get the native structure.
///The name of the module containing the event.
///The name of the event.
///Pointer to the native structure.
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];
}
};
///
/// 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)
///
[StructLayout(LayoutKind.Sequential)]
[Efl.Eo.BindingEntity]
public struct Event
{
/// The object the callback was called on.
/// (Since EFL 1.22)
public Efl.Object Object;
/// The event description.
/// (Since EFL 1.22)
public Efl.EventDescription Desc;
/// 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)
public System.IntPtr Info;
/// Constructor for Event.
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;
}
/// Implicit conversion to the managed representation from a native pointer.
/// Native pointer to be converted.
public static implicit operator Event(IntPtr ptr)
{
var tmp = (Event.NativeStruct) Marshal.PtrToStructure(ptr, typeof(Event.NativeStruct));
return tmp;
}
/// Internal wrapper for struct Event.
[StructLayout(LayoutKind.Sequential)]
public struct NativeStruct
{
/// Internal wrapper for field Object
public System.IntPtr Object;
/// Internal wrapper for field Desc
public System.IntPtr Desc;
/// Internal wrapper for field Info
public System.IntPtr Info;
/// Implicit conversion to the internal/marshalling representation.
/// Managed struct to be converted.
/// Native representation of the managed struct.
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;
}
/// Implicit conversion to the managed representation.
/// Native struct to be converted.
/// Managed representation of the native struct.
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(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);
[StructLayout(LayoutKind.Sequential)]
public struct TextCursorCursor
{
IntPtr obj;
UIntPtr pos; // UIntPtr to automatically change size_t between 32/64
IntPtr node;
[MarshalAsAttribute(UnmanagedType.U1)]bool changed;
}
[StructLayout(LayoutKind.Sequential)]
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);