fix: 修复画布行列容器组件中的分割工具位置错误的问题

[gene9831]

English | 简体中文

PR

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows our Commit Message Guidelines
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)
• [ ] Built its own designer, fully self-validated

PR Type

What kind of change does this PR introduce?

• [x] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Documentation content changes
• [ ] Other... Please describe:

Background and solution

修改画布相对位置时引入的一个Bug，导致布行列容器组件中的分割工具位置错误

What is the current behavior?

What is the new behavior?

1. 重构了画布坐标系
2. 优化了画布右键菜单

和引入Bug前的UI保持一致

Does this PR introduce a breaking change?

• [ ] Yes
• [ ] No

Other information

[w990752800]

纵向分割大于2的时候报错：