libgdx学习记录8——对话框Dialog
Dialog在游戏中也很常用，尤其在设置、退出、商店、暂停等画面。Dialog的使用也可以通过skin实现，也可以自定义。
下面是一个简单的实例：
1 package com.fxb.newtest; 2 3 import com.badlogic.gdx.ApplicationListener; 4 import com.badlogic.gdx.Gdx; 5 import com.badlogic.gdx.Input.Keys; 6 import com.badlogic.gdx.graphics.Color; 7 import com.badlogic.gdx.graphics.GL10; 8 import com.badlogic.gdx.graphics.Pixmap; 9 import com.badlogic.gdx.graphics.Pixmap.Format; 10 import com.badlogic.gdx.graphics.Texture; 11 import com.badlogic.gdx.graphics.g2d.BitmapFont; 12 import com.badlogic.gdx.scenes.scene2d.Actor; 13 import com.badlogic.gdx.scenes.scene2d.InputEvent; 14 import com.badlogic.gdx.scenes.scene2d.InputListener; 15 import com.badlogic.gdx.scenes.scene2d.Stage; 16 import com.badlogic.gdx.scenes.scene2d.ui.Button; 17 import com.badlogic.gdx.scenes.scene2d.ui.Button.ButtonStyle; 18 import com.badlogic.gdx.scenes.scene2d.ui.Dialog; 19 import com.badlogic.gdx.scenes.scene2d.ui.Label.LabelStyle; 20 import com.badlogic.gdx.scenes.scene2d.ui.Skin; 21 import com.badlogic.gdx.scenes.scene2d.ui.TextButton; 22 import com.badlogic.gdx.scenes.scene2d.ui.TextButton.TextButtonStyle; 23 import com.badlogic.gdx.scenes.scene2d.ui.Window.WindowStyle; 24 import com.badlogic.gdx.scenes.scene2d.utils.Align; 25 import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener; 26 import com.badlogic.gdx.scenes.scene2d.utils.Drawable; 27 28 public class Lib007_Dialog implements ApplicationListener{ 29 30 Stage stage; 31 Dialog dialog; 32 Drawable draw1; 33 Drawable draw2; 34 Pixmap pixmap; 35 Texture texture; 36 Skin skin; 37 BitmapFont font; 38 Dialog dialog2; 39 40 @Override 41 public void create() { 42 // TODO Auto-generated method stub 43 44 stage = new Stage(); 45 skin = new Skin(); 46 pixmap = new Pixmap( 1, 1, Format.RGBA8888 ); 47 pixmap.setColor( Color.GRAY ); 48 pixmap.fill(); 49 //draw1 = new TextureRegionDrawable( ); 50 //texture = new Texture( pixmap ); 51 skin.add( "gray", new Texture(pixmap) ); 52 53 pixmap.setColor( Color.LIGHT_GRAY ); 54 pixmap.fill(); 55 skin.add( "light_gray", new Texture(pixmap) ); 56 57 font = new BitmapFont(); 58 WindowStyle windowStyle = new WindowStyle( font, Color.GREEN, skin.getDrawable( "light_gray" ) ); 59 dialog = new Dialog( "DialogTest", windowStyle ); 60 dialog.setTitleAlignment( Align.center | Align.top ); 61 dialog.setBounds( 10, 10, 100, 50 ); 62 63 LabelStyle labelStyle = new LabelStyle( font, Color.RED ); 64 ButtonStyle buttonStyle = new ButtonStyle( skin.getDrawable("gray"), skin.getDrawable("light_gray"), null ); 65 TextButtonStyle textbuttonStyle = new TextButtonStyle( skin.getDrawable("gray"), skin.getDrawable("light_gray"), null, font ); 66 skin.add( "default", buttonStyle ); 67 skin.add( "default", textbuttonStyle ); 68 skin.add( "default", windowStyle ); 69 skin.add( "default", labelStyle ); 70 71 Button button1 = new Button( skin ); 72 button1.setBounds( 10, 10, 30, 20 ); 73 TextButton textbutton1 = new TextButton( "Click", skin ); 74 textbutton1.setBounds( 90-30, 10, 30, 20 ); 75 dialog.addActor( button1 ); 76 dialog.addActor( textbutton1 ); 77 78 stage.addActor( dialog ); 79 //dialog2.row().fill().expand(); 80 81 dialog2 = new Dialog( "Dialog2", skin, "default" ){ 82 @Override 83 protected void result(Object object) { 84 // TODO Auto-generated method stub 85 //System.out.println( "Chosen" + object ); 86 if( object.toString().equals( "true" ) ){ 87 System.out.println( "Yes" ); 88 Gdx.app.exit(); 89 }else{ 90 System.out.println( "No" ); 91 } 92 } 93 }; 94 dialog2.text("\nDo you want to exit?").button("Yes", true).button("No",false).key(Keys.ENTER, true).key(Keys.ESCAPE,false); 95 dialog2.setTitleAlignment( Align.top ); 96 dialog2.pack(); 97 //dialog2.show( stage ); 98 99 //TextButton textbutton2 = new TextButton( "Click", skin ); 100 textbutton1.addListener( new ChangeListener() 101 { 102 @Override 103 public void changed(ChangeEvent event, Actor actor) { 104 // TODO Auto-generated method stub 105 dialog2.show( stage ); 106 } 107 }); 108 109 //stage.addActor( textbutton2 ); 110 Gdx.input.setInputProcessor( stage ); 111 } 112 113 @Override 114 public void resize(int width, int height) { 115 // TODO Auto-generated method stub 116 117 } 118 119 @Override 120 public void render() { 121 // TODO Auto-generated method stub 122 Gdx.gl.glClearColor( 1, 1, 1, 1 ); 123 Gdx.gl.glClear( GL10.GL_COLOR_BUFFER_BIT ); 124 125 stage.act(); 126 stage.draw(); 127 128 } 129 130 @Override 131 public void pause() { 132 // TODO Auto-generated method stub 133 } 134 135 @Override 136 public void resume() { 137 // TODO Auto-generated method stub 138 } 139 140 @Override 141 public void dispose() { 142 // TODO Auto-generated method stub 143 skin.dispose(); 144 stage.dispose(); 145 texture.dispose(); 146 } 147 148 }
运行效果：
