Public Access
The Notes App lists the files of /notes by their first line, newest first: n starts a note, Enter opens it, r renames its file, d deletes it after asking, s sorts by name. A new note's file is named after its first line. The editor wraps at spaces, 38 columns by 8 rows; Fn+arrows move through the wrapped text, Ctrl+A and Ctrl+E go to the ends of the line. There is no save key: the note is written five seconds after the last key, on Back, on leaving the App, when the screen turns off and before the device powers off. A save writes a temporary file and puts it in the note's place; a save cut short is put back, or offered, the next time. A note is up to 16 KB, held in one buffer reserved when it's opened: the file is read straight into it and typing never makes it grow. A failed allocation aborts on this device, and with IRC connected the largest free block is about 31 KB: a first version that copied the note once on loading restarted the device when a full note was opened with IRC connected. Editing files of any size is #47. The Storage App's text viewer gets `e`, which edits a text file up to 16 KB with the same editor unless the file is read-only. 439 host tests. Checked on the device: docs/milestones/F1.md. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
#pragma once
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#include <FS.h>
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#include <memory>
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#include <string>
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#include <vector>
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#include "dialog_model.h"
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#include "key_event.h"
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#include "list_model.h"
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#include "services/storage_service.h"
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#include "services/update_service.h"
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#include "text_pager.h"
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#include "ui/canvas.h"
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#include "ui/theme.h"
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namespace roro {
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// Looks inside a file for the Storage App (F1, Q134), by type: text read as it's scrolled, a hex
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// dump, a Capture's packets, a Track's summary, an Update File's version and whether it's
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// genuine. Tab switches to the text or the hex of the same file. Nothing here changes a file.
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class FileViewer {
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public:
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FileViewer(StorageService& storage, UpdateService& update) : storage_(storage), update_(update) {}
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void open(const std::string& path, uint32_t size);
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void close();
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bool onKey(const KeyEvent& e); // false: leave the viewer
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bool update(uint32_t nowMs); // true: draw again
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void draw(Canvas& c);
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// For `e` in the Storage App: is this a text small enough to edit (Q146)? And a line to say why not.
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bool showingText() const { return mode_ == Mode::Text; }
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const std::string& path() const { return path_; }
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uint32_t size() const { return size_; }
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void say(const std::string& text);
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private:
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enum class Mode { Text, Hex, Gpx, Pcap, Packet, Ota };
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static constexpr int kRows = 8;
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static constexpr int kCols = 38;
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struct Scan; // what a storage job reads through a whole file for: shared with that job
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size_t readAt(uint32_t offset, uint8_t* into, size_t len);
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void show(Mode mode);
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void startScan(Mode mode);
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void refresh(); // reads what the screen shows, when it has moved
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void openPacket(int index);
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void scroll(int lines);
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std::string title() const;
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StorageService& storage_;
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UpdateService& update_;
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std::string path_;
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uint32_t size_ = 0;
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Mode mode_ = Mode::Text, base_ = Mode::Text;
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std::shared_ptr<fs::File> file_; // opened and read on the storage task only
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std::unique_ptr<files::TextPager> pager_;
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uint32_t hexTop_ = 0; // in rows of eight bytes
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std::vector<std::string> shown_; // the rows on screen
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bool stale_ = true;
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std::shared_ptr<Scan> scan_;
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bool scanShown_ = false;
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int shownPercent_ = -1;
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ListModel packets_{kRows};
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int rowsFrom_ = -1;
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std::vector<std::string> details_;
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int detailsTop_ = 0;
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std::unique_ptr<DialogModel> confirm_;
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std::string message_;
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uint32_t messageMs_ = 0;
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};
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} // namespace roro
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