miranda/Speak/Speak/Opt/Win32ImageList.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Text;
using Speak.Interop;

namespace Speak.Opt
{
    internal class Win32ImageList
    {
        private IntPtr handle;
        private Dictionary<string, int> icons;
        private int defaultIndex;
        private string defaultName;

        public Win32ImageList() : this (16, 16, 0) { }

        public Win32ImageList(int width, int height, int count)
        {
            handle = WinApi.ImageList_Create(width, height, WinApi.ILC_MASK | WinApi.ILC_COLOR32, count, 0);
            icons = new Dictionary<string, int>();
            defaultIndex = -1;
            defaultName = "xJuick_Default";
        }

        public int AddIcon(string iconKey, IntPtr hIcon)
        {
            int result = -1;
            if (icons.ContainsKey(iconKey))
                return icons[iconKey];
            result = WinApi.ImageList_ReplaceIcon(handle, -1, hIcon);
            
            if (result != -1)
            {
                icons.Add(iconKey, result);
                if (defaultName.Equals(iconKey))
                    defaultIndex = result;
            }


            return result;
        }

        public IntPtr Handle
        {
            get { return handle; }
        }

        public int this[string iconKey]
        {
            get { return icons.ContainsKey(iconKey) ? icons[iconKey] : defaultIndex; }
        }

        public int Length
        {
            get { return icons.Count; }
        }
        public int GetIcon(string iconKey)
        {
            int icon = this.icons[iconKey];
            return WinApi.ImageList_GetIcon(handle, icon, WinApi.ILD_NORMAL);
        }
    }
}