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以文本方式查看主題

-  曙海教育集團(tuán)論壇  (http://m.scb-ycwb.com/bbs/index.asp)
--  Windows Mobile手機(jī)開發(fā)  (http://m.scb-ycwb.com/bbs/list.asp?boardid=48)
----  Windows mobile 開發(fā)入門—開發(fā)絢麗滑動效果  (http://m.scb-ycwb.com/bbs/dispbbs.asp?boardid=48&id=2099)

--  作者：wangxinxin
--  發(fā)布時(shí)間：2010-12-4 9:38:16
--  Windows mobile 開發(fā)入門—開發(fā)絢麗滑動效果
前言
在這里制作一個(gè)9宮格的小程序，如果超過9個(gè)，那么就自動翻頁。翻頁采用劃動實(shí)現(xiàn)，并且有慣性作用。

原理
mobile手機(jī)里滑動效果主要是原理是支持屏幕的觸摸，當(dāng)我們按下、松開時(shí)系統(tǒng)分別可以捕捉到相應(yīng)的坐標(biāo)位置，然后動態(tài)的改變布局，從而達(dá)到劃動的效果。
圖型button

由于mobile還沒有支持圖片button，所以我們做出一個(gè)輔佐類，當(dāng)按下、彈開時(shí)分別使用鋼筆繪制不同的圖片到屏幕。

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

namespace iPhoneUI
{
public class ImageButton
{
      internal Rectangle clientArea;
      internal Form owner;
      internal Bitmap image;
      internal Bitmap imageDown;
      internal bool pushed = false;
      internal Point location;
      internal Point start;
      internal int h=30,w=30;
      internal bool Enable = false;
      private double pressTime = Environment.TickCount;
      internal bool pushedOneTime = false;

      public string Name {get;set;}

      public bool IsPressedOneTime
      {
         get { return pushedOneTime; }
         set { pushedOneTime = value; }
      }

      public event System.EventHandler Click;
      public event System.EventHandler DoubleClick;

      public ImageButton(Form owner,int w,int h)
      {
         this.w = w;
         this.h = h;

         this.owner = owner;
         Attach(owner);
      }
      public ImageButton(Form owner,Point location)
      {
         this.owner = owner;
         Attach(owner);
         this.location = location;
         this.clientArea = new Rectangle(location.X, location.Y, h, w);
      }

      public Point Location
      {
         set
         {
            this.location = value;
            this.clientArea = new Rectangle(location.X, location.Y, w, h);

         }
         get { return location; }

      }

      public Bitmap Image
      {
         get { return image;}
         set
         {
            image = value;
            if (image != null)
            {
                  clientArea = new Rectangle(location.X, location.Y, image.Width, image.Height);
            }
         }
      }

      public Bitmap ImageDown
      {
         get { return imageDown;}
         set { imageDown = value; }
      }

      public bool HitTest(int x, int y)
      {
         return clientArea.Contains(x, y);
      }

      private void Attach(Form owner)
      {
         owner.MouseDown += new MouseEventHandler(owner_MouseDown);
         owner.MouseUp += new MouseEventHandler(owner_MouseUp);
         owner.DoubleClick += new EventHandler(owner_DoubleClick);
      }

      void owner_DoubleClick(object sender, EventArgs e)
      {


      }

      public virtual void owner_MouseUp(object sender, MouseEventArgs e)
      {
         if (!Enable)
            return;

         if (pushed)
         {
            using (Graphics gx = owner.CreateGraphics())
            {
                  this.pushed = false;
                  this.Paint(gx);
                  owner.Invalidate();
            }
            pushed = false;

            if ((Environment.TickCount - pressTime) < 100)
            {
                  if (Click != null)
                     Click(this, e);
            }
         }

//          SendMessage(ButtonCode, "Button Pressed");
      }

      public virtual void owner_MouseDown(object sender, MouseEventArgs e)
      {
         if (!Enable)
            return;

         if (this.HitTest(e.X, e.Y))
         {
            using (Graphics gx = owner.CreateGraphics())
            {
                  this.pushed = true;
                  IsPressedOneTime = true;
                  this.Paint(gx);

                  if ((Environment.TickCount - pressTime) < 300)
                  {
                     if (DoubleClick != null)
                        DoubleClick(this, e);
                  }

                  pressTime = Environment.TickCount;
            }
            start = new Point(e.X, e.Y);
         }
      }

      public void Paint(Graphics gx)
      {
         if (!Enable)
            return;
         //gx.Clear(Color.White);

         ImageAttributes attrib = new ImageAttributes();
         Color color = GetTransparentColor(image);
         attrib.SetColorKey(color, color);

         if (!pushed || imageDown == null)
            gx.DrawImage(image, clientArea, 0, 0, clientArea.Width, clientArea.Height, GraphicsUnit.Pixel, attrib);

         else
         {
            gx.DrawImage(imageDown, clientArea, 0, 0, clientArea.Width, clientArea.Height, GraphicsUnit.Pixel, attrib);

         }
         Brush b = new SolidBrush(Color.Black);

         int txtX=clientArea.Location.X;
         if(Name.Length<5)//右移5個(gè)PIX
            txtX+=5;
         gx.DrawString(this.Name, owner.Font, b, txtX, clientArea.Bottom);

      }

      internal Color GetTransparentColor(Bitmap image)
      {
         return image.GetPixel(0, 0);
      }

}
}

當(dāng)mouse按下時(shí)，判斷是否在圖像所在的區(qū)域內(nèi)，就執(zhí)行按下時(shí)繪制圖像。并且判斷兩次按下時(shí)間小于300毫秒，就認(rèn)為是雙擊，發(fā)出注冊雙擊事件。當(dāng)mouse彈起時(shí)，恢復(fù)按前的圖像，并且如果按下時(shí)間間隔不超過100毫秒，認(rèn)為是單擊。

初使化按扭

Code
  1<?xml version="1.0" standal?>
  2<DocumentElement>
  3  <menu>
  4 <Name>測試1</Name>
  5
  6 <path>Chat 46x46.bmp</path>
  7 <pressPath>Chat 46x46.bmp</pressPath>
  8  </menu>
  9 <menu>
10 <Name>測試1a</Name>
11
12 <path>Chat 46x46.bmp</path>
13 <pressPath>Chat 46x46.bmp</pressPath>
14  </menu>
15  <menu>
16 <Name>測試1b</Name>
17
18 <path>lock 46x46.bmp</path>
19 <pressPath>lock 46x46_pressed.bmp</pressPath>
20  </menu>
21 <menu>
22 <Name>測試1c</Name>
23
24 <path>Internet Explorer 46x46.bmp</path>
25 <pressPath>Internet Explorer 46x46_pressed.bmp</pressPath>
26  </menu>
27  <menu>
28 <Name>測試1d</Name>
29
30 <path>Close 46x46.bmp</path>
31 <pressPath>Close 46x46_pressed.bmp</pressPath>
32  </menu>
33 <menu>
34 <Name>測試1e</Name>
35
36 <path>Chat 46x46.bmp</path>
37 <pressPath>Chat 46x46_pressed.bmp</pressPath>
38  </menu>
39  <menu>
40 <Name>測試1f</Name>
41
42 <path>Camera 46x46.bmp</path>
43 <pressPath>Camera 46x46_pressed.bmp</pressPath>
44  </menu>
45  <menu>
46 <Name>測試1g</Name>
47
48 <path>Camera 46x46.bmp</path>
49 <pressPath>Camera 46x46_pressed.bmp</pressPath>
50  </menu>
51 <menu>
52 <Name>
53       測試1h
54 </Name>
55
56 <path>Camera 46x46.bmp</path>
57 <pressPath>Camera 46x46_pressed.bmp</pressPath>
58  </menu>