processing / processing/processing4

Opening `pde://` link on Windows 10 causes unexpected behavior

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bug
主要语言
Java
星标
494
派生
183
平均合并
4 小时 39 分钟
30 天内合并 PR
3

描述

Most appropriate sub-area of Processing 4?

PDE

Processing version

4.4.1

Operating system

Windows 10

Steps to reproduce this
  1. Install Processing 4.4.1 with the .msi installer.
  2. Paste the pde:// link below in Chrome and press Enter.
  3. Click "Open Processing" and wait for Processing to start.
  4. Notice that the PDE shows visual glitches and errors in the console.
snippet
pde: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?pde=
Additional context

Image

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 0
	at processing.app.ui.EditorHeader.paintComponent(EditorHeader.java:238)
	at java.desktop/javax.swing.JComponent.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
	at java.desktop/javax.swing.JComponent.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
	at java.desktop/javax.swing.JSplitPane.paintChildren(Unknown Source)
	at java.desktop/javax.swing.JComponent.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintToOffscreen(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent._paintImmediately(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintImmediately(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
	at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
Would you like to work on the issue?

Maybe, with some guidance. But also happy to leave it to another contributor.

贡献指南

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  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

调研方向

安装 Processing 4.4.1 的 .msi 安装程序后,通过 Chrome 打开提供的 pde:// 链接,复现 Windows 10 流程。从 processing.app.ui.EditorHeader.java 的第 238 行开始,检查报告的 ArrayIndexOutOfBoundsException。当 sketch 打开时没有视觉异常或控制台错误,即表示完成。

由索引模型根据 Issue 内容生成。

评估

技术栈
java
领域
desktop
Issue 类型
缺陷
难度
3/5
预计耗时
1-2 天
活跃度
停滞
描述清晰度
描述清楚
新手友好度
52/100

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