Uri Tauber
08461c08e7
## Summary * **What is the goal of this PR?** Small UX improvement to the Home screen by preserving the last selected cursor position when returning to it. It supersedes #985 and #1103, which are both significantly outdated and hundreds of commits behind master. --- ### AI Usage Did you use AI tools to help write this code? _**< YES >**_
81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
#pragma once
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#include <functional>
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#include <vector>
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#include "./FileBrowserActivity.h"
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#include "activities/Activity.h"
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#include "util/ButtonNavigator.h"
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struct RecentBook;
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struct Rect;
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class HomeActivity final : public Activity {
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ButtonNavigator buttonNavigator;
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int selectorIndex = 0;
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bool recentsLoading = false;
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bool recentsLoaded = false;
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bool firstRenderDone = false;
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bool hasOpdsServers = false;
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bool coverRendered = false; // Track if cover has been rendered once
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bool coverBufferStored = false; // Track if cover buffer is stored
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uint8_t* coverBuffer = nullptr; // HomeActivity's own buffer for cover image
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size_t coverBufferSize = 0; // Bytes allocated to coverBuffer
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// Logical rect last passed to drawRecentBookCover. The cover snapshot only
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// needs to cover this region, not the entire framebuffer, so we cache the
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// tile instead of all 48 KB. Set in render() before the call.
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int coverRectX = 0;
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int coverRectY = 0;
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int coverRectW = 0;
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int coverRectH = 0;
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std::vector<RecentBook> recentBooks;
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const HomeMenuItem initialMenuItem;
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// Convert HomeMenuItem to menu index (used in onEnter)
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static int menuItemToIndex(HomeMenuItem item, bool hasOpdsUrl) {
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int i = 0;
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if (item == HomeMenuItem::FILE_BROWSER) return i;
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++i;
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if (item == HomeMenuItem::RECENTS) return i;
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++i;
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if (item == HomeMenuItem::OPDS_BROWSER) return hasOpdsUrl ? i : 0;
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if (hasOpdsUrl) ++i;
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if (item == HomeMenuItem::FILE_TRANSFER) return i;
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++i;
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if (item == HomeMenuItem::SETTINGS_MENU) return i;
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return 0;
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}
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// Convert menu index to HomeMenuItem (used in loop)
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static HomeMenuItem indexToMenuItem(int idx, bool hasOpdsUrl) {
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int i = 0;
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if (idx == i++) return HomeMenuItem::FILE_BROWSER;
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if (idx == i++) return HomeMenuItem::RECENTS;
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if (hasOpdsUrl && idx == i++) return HomeMenuItem::OPDS_BROWSER;
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if (idx == i++) return HomeMenuItem::FILE_TRANSFER;
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if (idx == i) return HomeMenuItem::SETTINGS_MENU;
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return HomeMenuItem::NONE;
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}
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void onSelectBook(const std::string& path);
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void onFileBrowserOpen();
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void onRecentsOpen();
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void onSettingsOpen();
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void onFileTransferOpen();
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void onOpdsBrowserOpen();
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int getMenuItemCount() const;
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bool storeCoverBuffer(); // Store frame buffer for cover image
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bool restoreCoverBuffer(); // Restore frame buffer from stored cover
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void freeCoverBuffer(); // Free the stored cover buffer
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void loadRecentBooks(int maxBooks);
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void loadRecentCovers(int coverHeight);
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public:
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explicit HomeActivity(GfxRenderer& renderer, MappedInputManager& mappedInput,
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HomeMenuItem initialMenuItemValue = HomeMenuItem::NONE)
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: Activity("Home", renderer, mappedInput), initialMenuItem(initialMenuItemValue) {}
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void onEnter() override;
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void onExit() override;
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void loop() override;
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void render(RenderLock&&) override;
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};
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