gemotionlist.cs

语音视频功能 里面实现了基本的QQ与语音对话

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.IO;
using System.Windows.Forms;

namespace gowk.forms
{
	/// <summary>
	/// GEmotionList 的摘要说明。
	/// </summary>
	public class GEmotionList :System.Windows.Forms.UserControl
	{
		/// <summary> 
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		private static readonly int HEIGHT=24;
		private static readonly int WIDTH=24;
		private static readonly int COLUMNS=15;
		private static readonly int ROWS=6;
		int curPage=0;
		int pageCount=0;
		private gowk.controls.GPanel gPanel1;
		private gowk.controls.GButton gButton1;
		public EmotionList innerList;
		private gowk.controls.GButton btnForword;
		private gowk.controls.GButton btnback;
		private gowk.controls.GButton btnSelect;
		private gowk.controls.GButton lbl;
		string dir;
		public event GEmotionListItemEventHandler ItemSelected,ItemActived;
		public GEmotionList()
		{
			InitializeComponent();
			this.Initial();
			this.LoadEmotion();
			this.InitialSkin();
			this.UpdataLbl();
		//	this.IsRound=true;
			this.SetStyle(ControlStyles.SupportsTransparentBackColor|ControlStyles.DoubleBuffer|ControlStyles.UserPaint|ControlStyles.AllPaintingInWmPaint,true);
		//	this.BackColor=Color.Transparent;
			this.gPanel1.Visible=false;
			gowk.common.SkinConfig.Instance.SkinChanged+=new EventHandler(Instance_SkinChanged);
		}
		private void InitialSkin()
		{
			gowk.common.SkinConfig cf=gowk.common.SkinConfig.Instance;
			this.btnback.GImage.ActiveImage=cf.GetImage("/gowk_skin/images/scrollbar/scrollbar_leftarrowa");
			this.btnback.GImage.PressedImage=cf.GetImage("/gowk_skin/images/scrollbar/scrollbar_leftarrowp");
			this.btnback.GImage.NormalImage=cf.GetImage("/gowk_skin/images/scrollbar/scrollbar_leftarrow");

			this.btnForword.GImage.ActiveImage=cf.GetImage("/gowk_skin/images/scrollbar/scrollbar_rightarrowa");
			this.btnForword.GImage.PressedImage=cf.GetImage("/gowk_skin/images/scrollbar/scrollbar_rightarrowp");
			this.btnForword.GImage.NormalImage=cf.GetImage("/gowk_skin/images/scrollbar/scrollbar_rightarrow");

			this.btnSelect.GImage.Image=cf.GetImage("/gowk_skin/images/other/addimage");
		}
		private void Instance_SkinChanged(object sender, EventArgs e)
		{
			this.InitialSkin();
		}
		protected override void OnPaint(PaintEventArgs e)
		{
			base.OnPaint (e);
			if(this.innerList==null)return;
			int focus_index=this.GetMouseOnItemIndex();
			Graphics g=e.Graphics;
			int start=COLUMNS*ROWS*this.curPage;
			int end=Math.Min(this.innerList.Count,start+COLUMNS*ROWS);
			for(int i=start;i<end;i++)
			{
				Rectangle r=this.GetItemRectangle(i);
				if(i==focus_index)
				{
					Rectangle rb=r;
					rb.Width-=2;
					rb.Height-=2;
			//		rb.Inflate(-1,-1);
					g.DrawRectangle(new Pen(Color.Gray),rb);
				}
				r.Inflate(-2,-2);
				try
				{
					g.DrawImage(this.innerList[i].Image,r);
				}
				catch(System.Exception ex)
				{
					System.Diagnostics.Trace.WriteLine(ex.Message);
				}
			}
		}
		private Emotion old;
		protected override void OnMouseMove(MouseEventArgs e)
		{
			base.OnMouseMove (e);
			if(this.innerList==null)return;
			//
			if(this.contains(e.X,this.gPanel1.Left-WIDTH,this.gPanel1.Right+WIDTH))
			{
				//	int x=e.X>=this.Width/2?(this.Width-this.gPanel1.Width-4):4;
				System.Diagnostics.Trace.WriteLine(string.Format("width:{0}",this.Width/2));
				System.Diagnostics.Trace.WriteLine(string.Format("e.x:{0}",e.X));
				int x=this.gPanel1.Left<=4?this.Width-this.gPanel1.Width-4:4;
				System.Diagnostics.Trace.WriteLine(x.ToString());
				this.gPanel1.Location=new Point(x,4);
			}
			Emotion m=this.GetCurrentEmotion();
			if(this.old!=m)
			{
				old=m;
				this.gButton1.BackgroundImage=m==null?null:m.Image;
				if(this.ItemActived!=null)this.ItemActived(this,new GEmotionListItemEventArgs(m));
				this.Invalidate();
			}
		}
		private Emotion GetCurrentEmotion()
		{
			int index=this.GetMouseOnItemIndex();
			if(index!=-1 && index<this.innerList.Count)
			{
				return this.innerList[index];
			}
			return null;
		}
		protected override void OnClick(EventArgs e)
		{
			base.OnClick (e);
			if(this.innerList==null)return;
			Emotion m=this.GetCurrentEmotion();
			if(this.ItemSelected!=null)this.ItemSelected(this,new GEmotionListItemEventArgs(m));
		}
		private int GetMouseOnItemIndex()
		{
			Rectangle rect=this.ES;
			Point p=this.PointToClient(Control.MousePosition);
			if(rect.Contains(p))
			{
				int column=(int)(p.X/WIDTH);
				int row=(int)(p.Y/HEIGHT);
				return column+row*COLUMNS+this.curPage*ROWS*COLUMNS;
			}
			return -1;
		}
		private Rectangle GetItemRectangle(int index)
		{
			int i=index%(ROWS*COLUMNS);
			return new Rectangle(3+i%COLUMNS*WIDTH,3+((int)(i/COLUMNS))*HEIGHT,WIDTH,HEIGHT);
		}
		private bool contains(int value,int min,int max)
		{
			return value<max && value>min;
		}
		private Rectangle ES
		{
			get
			{
				return new Rectangle(0,0,COLUMNS*WIDTH,ROWS*HEIGHT);
			}
		}
		protected override void OnPaintBackground(PaintEventArgs pevent)
		{
			base.OnPaintBackground (pevent);
			Graphics g=pevent.Graphics;
			Pen p=new Pen(Color.LightBlue);
			for(int i=0;i<=COLUMNS;i++)
			{
				g.DrawLine(p,3+i*WIDTH,3+0,i*WIDTH+3,ROWS*HEIGHT+3);
			}
			for(int j=0;j<=ROWS;j++)
			{
				g.DrawLine(p,3+0,3+j*HEIGHT,COLUMNS*WIDTH+3,j*HEIGHT+3);
			}
		}

		private int GetPage(int cnt)
		{
			int cip=COLUMNS*ROWS;
			int p=(int)(cnt/cip);
			if(cnt%cip!=0)p++;
			return p;
		}
		private void Initial()
		{
			string d=System.IO.Path.Combine(Application.StartupPath,"emotion");
			if(!System.IO.Directory.Exists(d))return;
			this.dir=d;
			int cnt=Directory.GetFiles(dir).Length;
			this.pageCount=this.GetPage(cnt);
			this.UpdataLbl();
		}
		public void Forword()
		{
			if(this.curPage>=this.pageCount-1)return;
			this.curPage++;
			int ps=this.GetPage(this.innerList.Count);
			if(ps<this.pageCount)this.LoadEmotion();
			this.Invalidate();
		}
		private void UpdataLbl()
		{
			this.lbl.Text=string.Format("{0}/{1}",this.curPage+1,this.pageCount);
		}
		public void Back()
		{
			if(this.curPage>0)this.curPage--;
			this.Invalidate();
		}
	/*	public int PageIndex
		{
			get{return this.curPage;}
			set
			{
				System.Diagnostics.Debug.Assert(value<this.PageCount && value>=0);
				if(this.curPage==value)return;
				if(value
				this.curPage=value;
				this.LoadEmotion();
			}
		}*/
		public int PageCount
		{
			get{return this.pageCount;}
		}
		public void LoadEmotion()
		{
			if(this.dir==null)return;
			if(this.innerList==null)this.innerList=new EmotionList();
			string[] files=Directory.GetFiles(dir);
			int start=COLUMNS*ROWS*this.curPage;
			for(int i=start;i<start+COLUMNS*ROWS && i<files.Length;i++)
			{
				string em=files[i];
				if(".gif .bmp .jpg .jpeg .png .ico .psd ".IndexOf(System.IO.Path.GetExtension(em))==-1)
				{
					System.Diagnostics.Trace.WriteLine(em);
					continue;
				}
				try
				{
					Emotion emo=new Emotion();
					emo.Image=Image.FromFile(em);
					emo.Path=em;
					this.innerList.Add(emo);
				}
				catch
				{
				}
			}
		}

		/// <summary> 
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region 组件设计器生成的代码
		/// <summary> 
		/// 设计器支持所需的方法 - 不要使用代码编辑器 
		/// 修改此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.gPanel1 = new gowk.controls.GPanel();
			this.gButton1 = new gowk.controls.GButton();
			this.btnForword = new gowk.controls.GButton();
			this.btnback = new gowk.controls.GButton();
			this.lbl = new gowk.controls.GButton();
			this.btnSelect = new gowk.controls.GButton();
			this.gPanel1.SuspendLayout();
			this.SuspendLayout();
			// 
			// gPanel1
			// 
			this.gPanel1.BackColor = System.Drawing.Color.White;
			this.gPanel1.Controls.Add(this.gButton1);
			this.gPanel1.GBorderStyle = gowk.controls.GBorderStyle.DashDotDot;
			this.gPanel1.IsRound = true;
			this.gPanel1.Location = new System.Drawing.Point(4, 4);
			this.gPanel1.Name = "gPanel1";
			this.gPanel1.Size = new System.Drawing.Size(72, 72);
			this.gPanel1.TabIndex = 0;
			// 
			// gButton1
			// 
			this.gButton1.BackColor = System.Drawing.Color.Transparent;
			this.gButton1.GBorderStyle = gowk.controls.GBorderStyle.Null;
			this.gButton1.IsRound = true;
			this.gButton1.Location = new System.Drawing.Point(26, 25);
			this.gButton1.Name = "gButton1";
			this.gButton1.Size = new System.Drawing.Size(24, 24);
			this.gButton1.TabIndex = 0;
			this.gButton1.BackgroundImageChanged += new System.EventHandler(this.gButton1_BackgroundImageChanged);
			// 
			// btnForword
			// 
			this.btnForword.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
			this.btnForword.GBorderStyle = gowk.controls.GBorderStyle.Solid;
			this.btnForword.IsRound = true;
			this.btnForword.Location = new System.Drawing.Point(320, 160);
			this.btnForword.Name = "btnForword";
			this.btnForword.Size = new System.Drawing.Size(16, 16);
			this.btnForword.TabIndex = 2;
			this.btnForword.Click += new System.EventHandler(this.gButton2_Click);
			// 
			// btnback
			// 
			this.btnback.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
			this.btnback.GBorderStyle = gowk.controls.GBorderStyle.Solid;
			this.btnback.IsRound = true;
			this.btnback.Location = new System.Drawing.Point(288, 161);
			this.btnback.Name = "btnback";
			this.btnback.Size = new System.Drawing.Size(16, 16);
			this.btnback.TabIndex = 3;
			this.btnback.Click += new System.EventHandler(this.gButton3_Click);
			// 
			// lbl
			// 
			this.lbl.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
			this.lbl.GBorderStyle = gowk.controls.GBorderStyle.Null;
			this.lbl.IsRound = false;
			this.lbl.Location = new System.Drawing.Point(184, 161);
			this.lbl.Name = "lbl";
			this.lbl.Size = new System.Drawing.Size(80, 24);
			this.lbl.TabIndex = 4;
			// 
			// btnSelect
			// 
			this.btnSelect.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
			this.btnSelect.GBorderStyle = gowk.controls.GBorderStyle.Solid;
			this.btnSelect.IsRound = true;
			this.btnSelect.Location = new System.Drawing.Point(16, 160);
			this.btnSelect.Name = "btnSelect";
			this.btnSelect.Size = new System.Drawing.Size(22, 22);
			this.btnSelect.TabIndex = 5;
			this.btnSelect.Click += new System.EventHandler(this.btnSelect_Click);
			// 
			// GEmotionList
			// 
			this.BackColor = System.Drawing.SystemColors.Control;
			this.Controls.Add(this.btnSelect);
			this.Controls.Add(this.lbl);
			this.Controls.Add(this.btnback);
			this.Controls.Add(this.btnForword);
			this.Controls.Add(this.gPanel1);
			this.Name = "GEmotionList";
			this.Size = new System.Drawing.Size(368, 192);
			this.gPanel1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private void gButton1_BackgroundImageChanged(object sender, System.EventArgs e)
		{
			if(this.gButton1.BackgroundImage==null)
			{
				this.gPanel1.Hide();
			}
			else
			{
				this.gPanel1.Show();
			}
		}

		private void gButton3_Click(object sender, System.EventArgs e)
		{
			this.Back();
			this.UpdataLbl();
		}

		private void gButton2_Click(object sender, System.EventArgs e)
		{
			this.Forword();
			this.UpdataLbl();
		}

		private void btnSelect_Click(object sender, System.EventArgs e)
		{
			System.Windows.Forms.OpenFileDialog of=new OpenFileDialog();
			of.Filter=@"*.gif/*.bmp/*.jpg/*.png|*.gif;*.bmp;*.jpg;*.png|所有文件|*.*";
			if(of.ShowDialog()==DialogResult.OK)
			{
				string dst=Path.Combine(Application.StartupPath,"emotion\\"+Path.GetFileName(of.FileName));
				File.Copy(of.FileName,dst,true);
				Emotion m=new Emotion();
				m.Image=Image.FromFile(of.FileName);
				m.Path=of.FileName;
				this.innerList.Add(m);
				if(this.ItemSelected!=null)this.ItemSelected(this,new GEmotionListItemEventArgs(m));
			}
			of.Dispose();
		}

	}
	public class Emotion
	{
		public string Text;
		public object Tag;
	//	public string XX;
		public Image Image;
		public string Path;
	}
	public class EmotionList:System.Collections.ArrayList
	{
		public new Emotion this[int i]
		{
			get{return (Emotion)base[i];}
			set{base[i]=value;}
		}
	}
	public class GEmotionListItemEventArgs:System.EventArgs
	{
		public Emotion Emotion;
		public GEmotionListItemEventArgs(Emotion e)
		{
			this.Emotion=e;
		}
	}
	public delegate void GEmotionListItemEventHandler(object sender,GEmotionListItemEventArgs e);
}