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