フローティングウィンドウ管理クラス。

StickManager.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Text;
using System.Windows.Forms;


namespace groan.util {


    using app.widgets;


    /// <summary>
    /// 
    /// </summary>
    public class StickManager {
        /// <summary>
        /// 
        /// </summary>
        public StickManager() {
            this.stick_queue_ = new Queue<Stick>();
            this.padding_ = 10;
        }


        /// <summary>
        /// 
        /// </summary>
        public void raiseStickClosed() {
            this.stick_queue_.Dequeue();
        }


        /// <summary>
        /// 
        /// </summary>
        /// <param name="title"></param>
        /// <param name="fulltext"></param>
        /// <returns></returns>
        public Stick enqueueStick(string title, string fulltext) {
            Stick popup = new Stick();
            StickInfo info = new StickInfo( popup.Size );

            info.x = 0;
            info.y = 0;

            info.title = title;
            info.fulltext = fulltext;

            if ( this.stick_queue_.Count > 0 )
                perform_stick_enqueued();

            this.stick_queue_.Enqueue( popup );

            popup.Tag = info;

            return popup;
        }


        /// <summary>
        /// フローティングウィンドウが既に画面に表示している状態の時、
        /// 更にフローティングウィンドウをエンキューされるときに呼び出されます。
        /// </summary>
        private void perform_stick_enqueued() {
            Stick[] tmp_sticks = new Stick[this.stick_queue_.Count];
            this.stick_queue_.CopyTo( tmp_sticks, 0 );

            int screen_height = Screen.PrimaryScreen.Bounds.Height;
            int max_vertical = screen_height / ( tmp_sticks[0].Size.Height + this.padding_ );

            int ranking;
            foreach ( Stick stick in tmp_sticks ) {
                StickInfo info = (StickInfo)stick.Tag;

                ranking = ( ( info.x * max_vertical ) + info.y ) + 1;

                info.x = ranking / max_vertical;
                info.y = ranking % max_vertical;

                stick.update();
            }
        }


        /// <summary>
        /// 
        /// </summary>
        private int padding_;
        /// <summary>
        /// 
        /// </summary>
        private Queue<Stick> stick_queue_;
    };


}