feat: Go To Position for epubs (#666)

## Summary

* Adds Go To % action in Epub Reader menu with slider style percent
selector

<img width="860" height="1147" alt="image"
src="https://github.com/user-attachments/assets/a38ecc71-429e-40e8-94ac-37fb1509dbd9"
/>

---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _**< PARTIALLY >**_

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
Arthur Tazhitdinov
2026-02-05 23:17:51 +11:00
committed by GitHub
co-authored by Copilot
parent 9d5a07481e
commit d041cd99af
6 changed files with 332 additions and 5 deletions
@@ -106,8 +106,16 @@ void EpubReaderMenuActivity::renderScreen() {
contentX + (contentWidth - renderer.getTextWidth(UI_12_FONT_ID, truncTitle.c_str(), EpdFontFamily::BOLD)) / 2;
renderer.drawText(UI_12_FONT_ID, titleX, 15 + contentY, truncTitle.c_str(), true, EpdFontFamily::BOLD);
// Progress summary
std::string progressLine;
if (totalPages > 0) {
progressLine = "Chapter: " + std::to_string(currentPage) + "/" + std::to_string(totalPages) + " pages | ";
}
progressLine += "Book: " + std::to_string(bookProgressPercent) + "%";
renderer.drawCenteredText(UI_10_FONT_ID, 45, progressLine.c_str());
// Menu Items
const int startY = 60 + contentY;
const int startY = 75 + contentY;
constexpr int lineHeight = 30;
for (size_t i = 0; i < menuItems.size(); ++i) {