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Ctrl + PageUp or PageDown doesn't work as expected as soon as document width on screen exceed the width of the window

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评估

难度
3/5
预计耗时
1-2 天
新手友好度
55/100
Issue 类型
缺陷
描述清晰度
描述清楚
活跃度
冷清
技术栈
c
领域
desktop

调研方向

在 Xreader 中使用多页文档重现该问题,然后缩放直到页面超出窗口宽度,并测试 Ctrl + PageUp/PageDown。首先跟踪这些快捷键的键盘处理逻辑以及水平滚动。完成的标准是:这些快捷键能够稳定地移动到上一页或下一页,同时不改变横向位置。

由索引模型根据 Issue 内容生成。

描述

Distribution

Mint LMDE 6 (Debian Edition, Bookworm based)

Package version

4.2.6

Frequency

Always

Bug description

Ctrl + PageUp or PageDown doesn't work as expected as soon as document width on screen exceed the width of the window.

Steps to reproduce

Ctrl + PageDown or Ctrl + PageUp is supposed to go forward or backward, page by page. And it works, but ONLY if document width on screen is lesser or equal to window width.

  1. Open a document with multiple pages.
  2. Go to page 2.
  3. Use Ctrl + PageDown to go to page 3.
  4. Zoom in in order to get the displayed page to exceed the width of the Xreader window.
  5. Press Ctrl + PageUp or PageDown : there is no more change in page number, just change in lateral position in the current page.

As soon as you use zoom to get a larger width of the document you're reading, and exceed the width of the Xreader window, Ctrl + PageDown change its behavior to "scroll right", while Ctrl + PageUp becomes "scroll left". This is not expected, as mentioned in Xreader's menu.

Expected behavior

When Ctrl + PageDown is pressed, the supposed action is to go to the next page. Meanwhile, pressing Ctrl + PageUp is supposed to take you back to the previous page.

Additional information

No response

主要语言
C
星标
286
派生
82
PR 合并指标
30 天内没有已合并 PR

环境准备

这个项目没有提供开发容器、Dockerfile 或贡献指南,环境需要你自己搭建:先看它的 README,通用步骤见我们的新手贡献指南。

从这里开始

  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。

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