cottongin/crosspoint-reader-mod
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feat: Add dictionary word lookup feature with cached index

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Implements StarDict-based dictionary lookup from the reader menu,
adapted from upstream PR #857 with /.dictionary/ folder path,
std::vector compatibility (PR #802), HTML definition rendering,
orientation-aware button hints, side button hints with CCW text
rotation, sparse index caching to SD card, pronunciation line
filtering, and reorganized reader menu with bookmark stubs.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
cottongin
2026-02-12 19:36:14 -05:00
parent 905f694576
commit 8d4bbf284d
17 changed files with 2195 additions and 9 deletions
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44
src/activities/reader/EpubReaderMenuActivity.h
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@@ -14,13 +14,27 @@
class EpubReaderMenuActivity final : public ActivityWithSubactivity {
public:
// Menu actions available from the reader menu.
enum class MenuAction { SELECT_CHAPTER, GO_TO_PERCENT, ROTATE_SCREEN, GO_HOME, SYNC, DELETE_CACHE };
enum class MenuAction {
ADD_BOOKMARK,
LOOKUP,
LOOKED_UP_WORDS,
ROTATE_SCREEN,
SELECT_CHAPTER,
GO_TO_BOOKMARK,
GO_TO_PERCENT,
GO_HOME,
SYNC,
DELETE_CACHE,
DELETE_DICT_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 uint8_t currentOrientation, const bool hasDictionary,
const std::function<void(uint8_t)>& onBack,
const std::function<void(MenuAction)>& onAction)
: ActivityWithSubactivity("EpubReaderMenu", renderer, mappedInput),
menuItems(buildMenuItems(hasDictionary)),
title(title),
pendingOrientation(currentOrientation),
currentPage(currentPage),
@@ -39,11 +53,7 @@ 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::SYNC, "Sync Progress"}, {MenuAction::DELETE_CACHE, "Delete Book Cache"}};
std::vector<MenuItem> menuItems;
int selectedIndex = 0;
bool updateRequired = false;
@@ -60,6 +70,26 @@ class EpubReaderMenuActivity final : public ActivityWithSubactivity {
const std::function<void(uint8_t)> onBack;
const std::function<void(MenuAction)> onAction;
static std::vector<MenuItem> buildMenuItems(bool hasDictionary) {
std::vector<MenuItem> items;
items.push_back({MenuAction::ADD_BOOKMARK, "Add Bookmark"});
if (hasDictionary) {
items.push_back({MenuAction::LOOKUP, "Lookup Word"});
items.push_back({MenuAction::LOOKED_UP_WORDS, "Lookup Word History"});
}
items.push_back({MenuAction::ROTATE_SCREEN, "Reading Orientation"});
items.push_back({MenuAction::SELECT_CHAPTER, "Table of Contents"});
items.push_back({MenuAction::GO_TO_BOOKMARK, "Go to Bookmark"});
items.push_back({MenuAction::GO_TO_PERCENT, "Go to %"});
items.push_back({MenuAction::GO_HOME, "Close Book"});
items.push_back({MenuAction::SYNC, "Sync Progress"});
items.push_back({MenuAction::DELETE_CACHE, "Delete Book Cache"});
if (hasDictionary) {
items.push_back({MenuAction::DELETE_DICT_CACHE, "Delete Dictionary Cache"});
}
return items;
}
static void taskTrampoline(void* param);
[[noreturn]] void displayTaskLoop();
void renderScreen();