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feat: Go To Position for epubs (#666)

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## 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 15:17:51 +03:00
committed by GitHub
parent 17fedd2a69
commit ddbe49f536
6 changed files with 332 additions and 5 deletions
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12
src/activities/reader/EpubReaderMenuActivity.h
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@@ -13,14 +13,19 @@
class EpubReaderMenuActivity final : public ActivityWithSubactivity {
public:
enum class MenuAction { SELECT_CHAPTER, ROTATE_SCREEN, GO_HOME, DELETE_CACHE };
// Menu actions available from the reader menu.
enum class MenuAction { SELECT_CHAPTER, GO_TO_PERCENT, ROTATE_SCREEN, GO_HOME, DELETE_CACHE };
explicit EpubReaderMenuActivity(GfxRenderer& renderer, MappedInputManager& mappedInput, const std::string& title,
const int currentPage, const int totalPages, const int bookProgressPercent,
const uint8_t currentOrientation, const std::function<void(uint8_t)>& onBack,
const std::function<void(MenuAction)>& onAction)
: ActivityWithSubactivity("EpubReaderMenu", renderer, mappedInput),
title(title),
pendingOrientation(currentOrientation),
currentPage(currentPage),
totalPages(totalPages),
bookProgressPercent(bookProgressPercent),
onBack(onBack),
onAction(onAction) {}
@@ -34,8 +39,10 @@ class EpubReaderMenuActivity final : public ActivityWithSubactivity {
std::string label;
};
// Fixed menu layout (order matters for up/down navigation).
const std::vector<MenuItem> menuItems = {{MenuAction::SELECT_CHAPTER, "Go to Chapter"},
{MenuAction::ROTATE_SCREEN, "Reading Orientation"},
{MenuAction::GO_TO_PERCENT, "Go to %"},
{MenuAction::GO_HOME, "Go Home"},
{MenuAction::DELETE_CACHE, "Delete Book Cache"}};
@@ -46,6 +53,9 @@ class EpubReaderMenuActivity final : public ActivityWithSubactivity {
std::string title = "Reader Menu";
uint8_t pendingOrientation = 0;
const std::vector<const char*> orientationLabels = {"Portrait", "Landscape CW", "Inverted", "Landscape CCW"};
int currentPage = 0;
int totalPages = 0;
int bookProgressPercent = 0;
const std::function<void(uint8_t)> onBack;
const std::function<void(MenuAction)> onAction;