Java Code Examples for org.lwjgl.input.Keyboard

/**
 * 获取输入按键，进行不同处理
 *
 * @param stack 物品
 * @return 是否成功
 */
private boolean handleKey(ItemStack stack) {
    if (stack != null && stack != ItemStack.EMPTY && stack.getItem() != Items.AIR) {
        // 问题报告界面的打开
        if (keyCodeCheck(reportKey.getKeyCode()) && Keyboard.isKeyDown(mainKey.getKeyCode()) && Keyboard.getEventKey() == reportKey.getKeyCode()) {
            return openReport(stack);
        }
        // Weblate 翻译界面的打开
        else if (keyCodeCheck(weblateKey.getKeyCode()) && Keyboard.isKeyDown(mainKey.getKeyCode()) && Keyboard.getEventKey() == weblateKey.getKeyCode()) {
            return openWeblate(stack);
        }
        // mcmod 百科界面的打开
        else if (keyCodeCheck(mcmodKey.getKeyCode()) && Keyboard.isKeyDown(mainKey.getKeyCode()) && Keyboard.getEventKey() == mcmodKey.getKeyCode()) {
            return openMcmod(stack);
        }
    }
    return false;
}
 

/**
 * Gets the key mapped name.
 *
 * @param internalKeyName the internal key name
 * @return the key mapped name
 */
public static String getKeyMappedName(String internalKeyName){
	if(internalKeyName.toUpperCase().equals("ENTER")){
		internalKeyName = "RETURN";
	}
	int key = Keyboard.getKeyIndex(internalKeyName.toUpperCase());
	int mappedKey = getKeyMapped(key);
	String mappedName = Keyboard.getKeyName(mappedKey);
	//this might seem redundant, but it's to allow code using the string "Enter" to map to the key "Return"
	//which then maps the key according to the bindings (possibly to something else)
	//if it's still "return" we want this translated back to "enter"
	if(mappedName.equals("RETURN")){
		return "ENTER";
	}
	return mappedName;
}
 

@SubscribeEvent
@SideOnly(Side.CLIENT)
public static void onScroll(MouseEvent event) {
	EntityPlayer player = Minecraft.getMinecraft().player;
	if (player == null) return;

	if (Keyboard.isCreated() && event.getDwheel() != 0) {

		for (EnumHand hand : EnumHand.values()) {
			ItemStack stack = player.getHeldItem(hand);

			if (stack.getItem() != ModItems.FAIRY_BELL)
				continue;


			IMiscCapability cap = MiscCapabilityProvider.getCap(Minecraft.getMinecraft().player);
			if (cap == null) continue;

			cap.setSelectedFairy(null);

			PacketHandler.NETWORK.sendToServer(new PacketUpdateMiscCapToServer(cap.serializeNBT()));
		}
	}
}
 

@Override
protected void keyTyped(char inputChar, int keyCode) {
       if (keyCode == Keyboard.KEY_ESCAPE ||
       		(!this.rodName.isFocused() && keyCode == this.mc.gameSettings.keyBindInventory.getKeyCode())) {
           this.mc.thePlayer.closeScreen();
       }

	this.rodName.textboxKeyTyped(inputChar, keyCode);
	
	if(keyCode == Keyboard.KEY_TAB) {
		// Tab
		if(this.rodName.isFocused()) {
			this.rodName.setFocused(false);
		}
		else {
			this.rodName.setFocused(true);
		}
	}
	
	if(keyCode == Keyboard.KEY_RETURN) {
		// Return/enter
		this.actionPerformed((GuiButton)this.buttonList.get(2));
	}
}
 

@Override
public void keyPressed(int key, char character) {
    if (selected) {
        boolean modified = false;
        if (key == Keyboard.KEY_BACK) {
            if (text.length() > 0 && selectionIndex > 0) {
                text = text.substring(0, Math.max(0, selectionIndex - 1)) + text.substring(selectionIndex);
                selectionIndex--;
                modified = true;
            }
        } else if (character != 167 && character >= 32 && character != 127) {
            text = text.substring(0, selectionIndex) + character + text.substring(selectionIndex);
            selectionIndex++;
            modified = true;
        } else if (key == Keyboard.KEY_LEFT && selectionIndex > 0) {
            selectionIndex--;
        } else if (key == Keyboard.KEY_RIGHT && selectionIndex < text.length()) {
            selectionIndex++;
        }
        if (modified) {
            function.apply(this);
        }
    }
}
 

@SubscribeEvent
public void onKeyPressNoGui(InputEvent.KeyInputEvent e) {
    // 最开始，检测是否启用国际化配置
    if (I18nConfig.internationalization.openI18n && !I18nUtils.isChinese()) {
        return;
    }

    // 接下来检测是否关闭键位
    if (I18nConfig.key.closedKey) {
        return;
    }

    // 取消重复显示
    if (showed) {
        if (keyCodeCheck(reloadKey.getKeyCode()) && !Keyboard.isKeyDown(reloadKey.getKeyCode())) {
            showed = false;
        }
        return;
    }
    showed = reloadLocalization();
}
 

@Override
public void keyPressed(KeyEvent e)
{
	for (OverlayOpsuState overlay : overlays) {
		overlay.keyPressed(e);
		if (e.isConsumed()) {
			return;
		}
	}
	if (focusedComponent != null) {
		if (e.keyCode == Keyboard.KEY_ESCAPE) {
			focusedComponent.setFocused(false);
			focusedComponent = null;
		} else {
			focusedComponent.keyPressed(e);
		}
		e.consume();
	}
}
 

@Override
public void update(long deltaTime) {
	Utils.updateMousePoles(viewPole, objectPole);
	
	lightTimer.update(deltaTime);
	
	float speed = (deltaTime / (float)1e9) * (Keyboard.isKeyDown(Keyboard.KEY_LSHIFT) || Keyboard.isKeyDown(Keyboard.KEY_RSHIFT) ? 0.5f : 2f);
	
	if(Keyboard.isKeyDown(Keyboard.KEY_I))
		lightHeight += speed;
	if(Keyboard.isKeyDown(Keyboard.KEY_K))
		lightHeight -= speed;
	if(Keyboard.isKeyDown(Keyboard.KEY_L))
		lightRadius += speed;
	if(Keyboard.isKeyDown(Keyboard.KEY_J))
		lightRadius -= speed;
	
	if(lightRadius < 0.2f)
		lightRadius = 0.2f;
}
 

public void beginStep() {
	List<MouseEvent> mouseEvents = Game.getMouseEvents();
	for(MouseEvent event : mouseEvents) {
		if(event.button == 0) {
			if(inBounds(event.x, Game.getWindowHeight()-event.y)) {
				hasFocus = true;
			} else {
				hasFocus = false;
			}
		}
	}
	super.beginStep();
	if(hasFocus) {
		List<KeyboardEvent> keys = Game.getKeys();
		for(KeyboardEvent ke : keys) {
			if(ke.state) {
				if(ke.key == Keyboard.KEY_RETURN) { 
					send();
				}
			}
		}
	}
}
 

public void windowDragged(int x, int y) {
    if (!dragging) {
        return;
    }
    this.xPos = this.prevXPos + (x - this.dragX);
    this.yPos = this.prevYPos + (y - this.dragY);
    ScaledResolution res = new ScaledResolution(Wrapper.INSTANCE.mc(), Wrapper.INSTANCE.mc().displayWidth, Wrapper.INSTANCE.mc().displayHeight);
    if (Keyboard.isKeyDown(Keyboard.KEY_LSHIFT)) {
        if (this.xPos < 20) {
            this.xPos = 2;
        }
        if (this.yPos < 20) {
            this.yPos = 2;
        }
        if (this.xPos + this.width > res.getScaledWidth() - 20) {
            this.xPos = res.getScaledWidth() - this.width - 2;
        }
        if (this.yPos + this.height > res.getScaledHeight() - 20) {
            this.yPos = res.getScaledHeight() - this.height - 2;
        }
    }
}
 

@Override
public void onTicks() {
    boolean newState = Keyboard.isKeyDown(GiveKeybind.getKey());
    if (newState && !prevState) {
        prevState = newState;
        int slotId = 36 + Wrapper.INSTANCE.player().inventory.currentItem;
        if (Statics.STATIC_ITEMSTACK == null) {
            return;
        }
        if (Keyboard.isKeyDown(Keyboard.KEY_LSHIFT)) {
            for (int i = 9; i < 45; i++) {
                setCreative(Statics.STATIC_ITEMSTACK, i);
            }
        } else {
            setCreative(Statics.STATIC_ITEMSTACK, slotId);
        }
        InteropUtils.log("Set", this);
    }
    prevState = newState;
}
 

@Override
public boolean onKey(char key, int keyCode){
    if(fixedOptions) return false;
    if(enabled && isFocused() && keyCode == Keyboard.KEY_TAB) {//Auto-complete
        List<String> applicableElements = getApplicableElements();
        if(applicableElements.size() > 0) {
            setText(applicableElements.get(0));
            listener.onKeyTyped(this);
            return true;
        } else {
            return super.onKey(key, keyCode);
        }
    } else {
        return super.onKey(key, keyCode);
    }
}
 

@Override
public boolean keyPressed(int key, char c) {
    if (listening) {
        listening = false;

        if (Keyboard.getEventKey() != 256 && Keyboard.getEventCharacter() != 0) {
            int newValue = Keyboard.getEventKey() == 0 ? Keyboard.getEventCharacter() + 256 : Keyboard.getEventKey();


            if (listener != null)
                if (listener.onValueChange(newValue))
                    this.value = newValue;
        }

        updateState();
    }

    return super.keyPressed(key, c);
}
 

public final boolean doPoll(GUIRoot gui_root) {
	Deterministic deterministic = LocalEventQueue.getQueue().getDeterministic();
	LocalInput local_input = LocalInput.getLocalInput();
	boolean result = false;
	Keyboard.poll();
	while (deterministic.log(Keyboard.next())) {
		result = true;
		int event_key = deterministic.log(Keyboard.getEventKey());
		boolean event_key_state = deterministic.log(Keyboard.getEventKeyState());
		char event_character = deterministic.log(Keyboard.getEventCharacter());
		boolean repeat_event = deterministic.log(Keyboard.isRepeatEvent());
		switch (event_key) {
			case Keyboard.KEY_LSHIFT:
			case Keyboard.KEY_RSHIFT:
				shift_down = event_key_state;
				break;
			case Keyboard.KEY_LCONTROL:
			case Keyboard.KEY_RCONTROL:
				control_down = event_key_state;
				break;
			case Keyboard.KEY_LMENU:
			case Keyboard.KEY_RMENU:
				menu_down = event_key_state;
				break;
		}
		if (checkMagicKey(deterministic, event_key_state, event_key, false, repeat_event))
			continue;
		if (event_key == Keyboard.KEY_NONE) {
			local_input.keyTyped(gui_root, event_key, event_character);
		} else if (event_key_state) {
			local_input.keyPressed(gui_root, event_key, event_character, shift_down, control_down, menu_down, repeat_event);
		} else {
			local_input.keyReleased(gui_root, event_key, event_character, shift_down, control_down, menu_down);
		}
	}
	return result;
}
 

protected void keyRepeat(KeyboardEvent event) {
	switch (event.getKeyCode()) {
		case Keyboard.KEY_TAB:
			super.keyRepeat(event);
			break;
		case Keyboard.KEY_ESCAPE:
			cancel();
			break;
		default:
			break;
	}
}
 

private void add(String[] args) throws CmdException
{
	if(args.length < 3)
		throw new CmdSyntaxError();
	
	String key = args[1].toUpperCase();
	if(Keyboard.getKeyIndex(key) == Keyboard.KEY_NONE)
		throw new CmdSyntaxError("Unknown key: " + key);
	
	String commands =
		String.join(" ", Arrays.copyOfRange(args, 2, args.length));
	
	wurst.getKeybinds().add(key, commands);
	ChatUtils.message("Keybind set: " + key + " -> " + commands);
}
 

@Override
public boolean handleKeyPress(int keyID, char keyChar)
{
    if(!focused)
        return false;
    
    if(keyID == Keyboard.KEY_BACK)
    {
        if(label.length() > 0)
        {
            label = label.substring(0, label.length() - 1);
            onTextChange();
            backdowntime = System.currentTimeMillis();
        }
    }
    else if(keyID == Keyboard.KEY_RETURN)
    {
        focused = false;
    }        
    else if(keyChar == 22)//paste
    {
        String pastestring = GuiScreen.getClipboardString();
        if(pastestring == null) 
            pastestring = "";

        label = label + pastestring;
        onTextChange();
    }
    else if(ChatAllowedCharacters.isAllowedCharacter(keyChar))
    {
        label = label + keyChar;
        onTextChange();
    }
    return true;
}
 

@Override
public void onTicks() {
    if (Keyboard.isKeyDown(MagnetKeybind.getKey()) && !prevState) {
        int cnt = 0;
        for (Object entObj : Wrapper.INSTANCE.world().loadedEntityList) {
            Entity ent = (Entity) entObj;
            if (ent instanceof EntityItem) {
                cnt++;
                tpEntity(ent, (int) Math.round(Wrapper.INSTANCE.player().lastTickPosX), (int) Math.round(Wrapper.INSTANCE.player().lastTickPosY), (int) Math.round(Wrapper.INSTANCE.player().lastTickPosZ));
            }
        }
        InteropUtils.log("Magneted " + cnt + " items", this);
    }
    prevState = Keyboard.isKeyDown(MagnetKeybind.getKey());
}
 

protected void keyReleased(KeyboardEvent event) {
	switch (event.getKeyCode()) {
		case Keyboard.KEY_RETURN:
			enterPressedAll();
			break;
		default:
			super.keyReleased(event);
			break;
	}
}
 

@Override
public void keyPressed(int key, char c) {
	switch(key) {
		case Keyboard.KEY_SPACE:
			drawGammaProgram = !drawGammaProgram;
			drawGammaTexture = !drawGammaTexture;
			break;
		case Keyboard.KEY_A:
			drawGammaProgram = !drawGammaProgram;
			break;
		case Keyboard.KEY_G:
			drawGammaTexture = !drawGammaTexture;
			break;
		case Keyboard.KEY_Y:
			drawCorridor = !drawCorridor;
			break;
		case Keyboard.KEY_P:
			camTimer.togglePause();
			break;
	}
	
	System.out.println("----");
	System.out.printf("Rendering:\t\t%s\n", drawGammaProgram ? "Gamma" : "Linear");
	System.out.printf("Mipmap Generation:\t%s\n", drawGammaTexture ? "Gamma" : "Linear");
	
	if(c >= '1' && c <= '9') {
		int number = c - '1';
		if(number < NUM_SAMPLERS)
			currSampler = number;
	}
}
 

public final void doAnimate(float t) {
	float dir_x = (float)StrictMath.cos(getState().getTargetHorizAngle());
	float dir_y = (float)StrictMath.sin(getState().getTargetHorizAngle());
	float left_dir_x = -dir_y;
	float left_dir_y = dir_x;

	float scrolling_x = 0;
	float scrolling_y = 0;
	if (LocalInput.isKeyDown(Keyboard.KEY_LEFT) && !LocalInput.isKeyDown(Keyboard.KEY_RIGHT))
		scrolling_x = -1f;
	else if (LocalInput.isKeyDown(Keyboard.KEY_RIGHT) && !LocalInput.isKeyDown(Keyboard.KEY_LEFT))
		scrolling_x = 1f;

	if (LocalInput.isKeyDown(Keyboard.KEY_DOWN) && !LocalInput.isKeyDown(Keyboard.KEY_UP))
		scrolling_y = -1f;
	else if (LocalInput.isKeyDown(Keyboard.KEY_UP) && !LocalInput.isKeyDown(Keyboard.KEY_DOWN))
		scrolling_y = 1f;

	float scroll_factor = getState().getTargetZ()*t;
	float new_x = getState().getTargetX() - (scrolling_x*left_dir_x + scrolling_y*-left_dir_y)*scroll_factor;
	float new_y = getState().getTargetY() - (scrolling_x*left_dir_y + scrolling_y*left_dir_x)*scroll_factor;

	if (new_x != getState().getTargetX() || new_y != getState().getTargetY()) {
		getState().setTargetX(new_x);
		getState().setTargetY(new_y);
		checkPosition();
	}
}
 

protected void keyRepeat(KeyboardEvent event) {
	switch (event.getKeyCode()) {
		case Keyboard.KEY_TAB:
			switchFocus(event.isShiftDown() ? -1 : 1);
			break;
		default:
			super.keyRepeat(event);
			break;
	}
}
 

private static void tickStart() {
    if (mc.thePlayer != null) {
        boolean flyState;
        boolean descendState;
        if (Config.customControls) {
            flyState = mc.inGameHasFocus && Keyboard.isKeyDown(flyKey);
            descendState = mc.inGameHasFocus && Keyboard.isKeyDown(descendKey);
        } else {
            flyState = mc.gameSettings.keyBindJump.getIsKeyPressed();
            descendState = mc.gameSettings.keyBindSneak.getIsKeyPressed();
        }
        
        boolean forwardState = mc.gameSettings.keyBindForward.getIsKeyPressed();
        boolean backwardState = mc.gameSettings.keyBindBack.getIsKeyPressed();
        boolean leftState = mc.gameSettings.keyBindLeft.getIsKeyPressed();
        boolean rightState = mc.gameSettings.keyBindRight.getIsKeyPressed();
        
        if (flyState != lastFlyState || descendState != lastDescendState || forwardState != lastForwardState || backwardState != lastBackwardState || leftState != lastLeftState || rightState != lastRightState) {
            lastFlyState = flyState;
            lastDescendState = descendState;
            
            lastForwardState = forwardState;
            lastBackwardState = backwardState;
            lastLeftState = leftState;
            lastRightState = rightState;
            PacketHandler.instance.sendToServer(new MessageKeyboardSync(flyState, descendState, forwardState, backwardState, leftState, rightState));
            SyncHandler.processKeyUpdate(mc.thePlayer, flyState, descendState, forwardState, backwardState, leftState, rightState);
        }
    }
}
 

public void exitGui() {
	//MwUtil.log("closing GUI");
	// set the mini map dimension to the GUI map dimension when closing
	this.mw.miniMap.view.setDimension(this.mapView.getDimension());
	this.mapMode.close();
	Keyboard.enableRepeatEvents(false);
	this.mc.displayGuiScreen((GuiScreen) null);
    this.mc.setIngameFocus();
    this.mc.getSoundHandler().resumeSounds();
}
 

public final void doCheckMagicKeys() {
	Deterministic deterministic = LocalEventQueue.getQueue().getDeterministic();
	if (deterministic.isPlayback()) {
		Keyboard.poll();
		while (Keyboard.next()) {
			int event_key = Keyboard.getEventKey();
			boolean event_key_state = Keyboard.getEventKeyState();
			checkMagicKey(deterministic, event_key_state, event_key, true, Keyboard.isRepeatEvent());
		}
	}
}
 

@Override
public void onTicks() {
    boolean newState = Keyboard.isKeyDown(Keyboard.KEY_Y);
    if (newState && !prevState) {
        openGui();
    }
    prevState = newState;
}
 

@Override
public void dispatchKeypresses() {
	int eventKey = org.lwjgl.input.Keyboard.getEventKey();
	int currentcode = eventKey == 0 ? org.lwjgl.input.Keyboard.getEventCharacter() : eventKey;
	if ((currentcode == 0) || (org.lwjgl.input.Keyboard.isRepeatEvent()))
		return;

	if (org.lwjgl.input.Keyboard.getEventKeyState()) {
		int keyCode = currentcode + (eventKey == 0 ? 256 : 0);
		MinecraftFactory.getClassProxyCallback().fireKeyPressEvent(keyCode);
	}
}
 

@Override
public boolean isKeyDown(final int vkKey)
{
	if (!keyCodeMap.containsKey(vkKey))
		throw new RuntimeException("No mapping for :"+vkKey);
	
	Integer lwjglKey = keyCodeMap.get(vkKey);
	return Keyboard.isKeyDown(lwjglKey);
}
 

@Override
public void mapKeys() {
	// Map jlwgl input to NOVA Keys, slightly hacky but functional.
	for (Key key : Key.values()) {
		try {
			keys.put(Keyboard.class.getDeclaredField(key.name()).getInt(null), key);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}
 

@Override
public boolean handleKeyPress(int keyID, char keyChar) {
    if (!focused) {
        return false;
    }

    if (keyID == Keyboard.KEY_BACK) {
        if (label.length() > 0) {
            label = label.substring(0, label.length() - 1);
            onTextChange();
            backdowntime = System.currentTimeMillis();
        }
    } else if (keyID == Keyboard.KEY_RETURN) {
        focused = false;
    } else if (keyChar == 22)//paste
    {
        String pastestring = GuiScreen.getClipboardString();
        if (pastestring == null) {
            pastestring = "";
        }

        label = label + pastestring;
        onTextChange();
    } else if (ChatAllowedCharacters.isAllowedCharacter(keyChar)) {
        label = label + keyChar;
        onTextChange();
    }
    return true;
}