001    package net.minecraft.src;
002    
003    import net.minecraftforge.client.GuiControlsScrollPanel;
004    
005    import cpw.mods.fml.common.Side;
006    import cpw.mods.fml.common.asm.SideOnly;
007    
008    @SideOnly(Side.CLIENT)
009    public class GuiControls extends GuiScreen
010    {
011        /**
012         * A reference to the screen object that created this. Used for navigating between screens.
013         */
014        private GuiScreen parentScreen;
015    
016        /** The title string that is displayed in the top-center of the screen. */
017        protected String screenTitle = "Controls";
018    
019        /** Reference to the GameSettings object. */
020        private GameSettings options;
021    
022        /** The ID of the  button that has been pressed. */
023        private int buttonId = -1;
024    
025        private GuiControlsScrollPanel scrollPane;
026    
027        public GuiControls(GuiScreen par1GuiScreen, GameSettings par2GameSettings)
028        {
029            this.parentScreen = par1GuiScreen;
030            this.options = par2GameSettings;
031        }
032    
033        private int func_73907_g()
034        {
035            return this.width / 2 - 155;
036        }
037    
038        /**
039         * Adds the buttons (and other controls) to the screen in question.
040         */
041        public void initGui()
042        {
043            scrollPane = new GuiControlsScrollPanel(this, options, mc);
044            StringTranslate var1 = StringTranslate.getInstance();
045            int var2 = this.func_73907_g();
046    
047            this.controlList.add(new GuiButton(200, this.width / 2 - 100, this.height - 28, var1.translateKey("gui.done")));
048            scrollPane.registerScrollButtons(controlList, 7, 8);
049            this.screenTitle = var1.translateKey("controls.title");
050        }
051    
052        /**
053         * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e).
054         */
055        protected void actionPerformed(GuiButton par1GuiButton)
056        {
057            if (par1GuiButton.id == 200)
058            {
059                this.mc.displayGuiScreen(this.parentScreen);
060            }
061        }
062    
063        /**
064         * Called when the mouse is clicked.
065         */
066        protected void mouseClicked(int par1, int par2, int par3)
067        {
068            super.mouseClicked(par1, par2, par3);
069        }
070    
071        /**
072         * Fired when a key is typed. This is the equivalent of KeyListener.keyTyped(KeyEvent e).
073         */
074        protected void keyTyped(char par1, int par2)
075        {
076            if (scrollPane.keyTyped(par1, par2))
077            {
078                super.keyTyped(par1, par2);
079            }
080        }
081    
082        /**
083         * Draws the screen and all the components in it.
084         */
085        public void drawScreen(int par1, int par2, float par3)
086        {
087            this.drawDefaultBackground();
088            scrollPane.drawScreen(par1, par2, par3);
089            drawCenteredString(fontRenderer, screenTitle, width / 2, 4, 0xffffff);
090            super.drawScreen(par1, par2, par3);
091        }
092    }