mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-23 19:23:09 +00:00
287 lines
No EOL
10 KiB
C
287 lines
No EOL
10 KiB
C
#include <furi.h>
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#include <furi_hal.h>
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#include <text_viewer_icons.h>
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#include <gui/gui.h>
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#include <gui/elements.h>
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#include <dialogs/dialogs.h>
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#include <storage/storage.h>
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#include <stream/stream.h>
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#include <stream/buffered_file_stream.h>
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#include <toolbox/stream/file_stream.h>
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#define TAG "TextViewer"
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#define TEXT_VIEWER_APP_PATH_FOLDER ANY_PATH("")
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#define TEXT_VIEWER_APP_EXTENSION "*"
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#define TEXT_VIEWER_BYTES_PER_LINE 20u
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#define TEXT_VIEWER_LINES_ON_SCREEN 5u
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#define TEXT_VIEWER_BUF_SIZE (TEXT_VIEWER_LINES_ON_SCREEN * TEXT_VIEWER_BYTES_PER_LINE)
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typedef struct {
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uint8_t file_bytes[TEXT_VIEWER_LINES_ON_SCREEN][TEXT_VIEWER_BYTES_PER_LINE];
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uint32_t file_offset;
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uint32_t file_read_bytes;
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uint32_t file_size;
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Stream* stream;
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bool mode; // Print address or content
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} TextViewerModel;
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typedef struct {
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TextViewerModel* model;
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FuriMutex** mutex;
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FuriMessageQueue* input_queue;
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ViewPort* view_port;
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Gui* gui;
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Storage* storage;
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} TextViewer;
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static void render_callback(Canvas* canvas, void* ctx) {
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TextViewer* text_viewer = ctx;
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furi_check(furi_mutex_acquire(text_viewer->mutex, FuriWaitForever) == FuriStatusOk);
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canvas_clear(canvas);
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canvas_set_color(canvas, ColorBlack);
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//elements_button_left(canvas, text_viewer->model->mode ? "Addr" : "Text");
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text_viewer->model->mode = 1; //text mode
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//elements_button_right(canvas, "Info");
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int ROW_HEIGHT = 12;
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int TOP_OFFSET = 10;
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int LEFT_OFFSET = 3;
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uint32_t line_count = text_viewer->model->file_size / TEXT_VIEWER_BYTES_PER_LINE;
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if(text_viewer->model->file_size % TEXT_VIEWER_BYTES_PER_LINE != 0) line_count += 1;
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uint32_t first_line_on_screen = text_viewer->model->file_offset / TEXT_VIEWER_BYTES_PER_LINE;
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if(line_count > TEXT_VIEWER_LINES_ON_SCREEN) {
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uint8_t width = canvas_width(canvas);
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elements_scrollbar_pos(
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canvas,
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width,
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0,
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ROW_HEIGHT * TEXT_VIEWER_LINES_ON_SCREEN,
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first_line_on_screen, // TODO
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line_count - (TEXT_VIEWER_LINES_ON_SCREEN - 1));
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}
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char temp_buf[32];
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uint32_t row_iters = text_viewer->model->file_read_bytes / TEXT_VIEWER_BYTES_PER_LINE;
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if(text_viewer->model->file_read_bytes % TEXT_VIEWER_BYTES_PER_LINE != 0) row_iters += 1;
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for(uint32_t i = 0; i < row_iters; ++i) {
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uint32_t bytes_left_per_row =
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text_viewer->model->file_read_bytes - i * TEXT_VIEWER_BYTES_PER_LINE;
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bytes_left_per_row = MIN(bytes_left_per_row, TEXT_VIEWER_BYTES_PER_LINE);
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if(text_viewer->model->mode) {
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memcpy(temp_buf, text_viewer->model->file_bytes[i], bytes_left_per_row);
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temp_buf[bytes_left_per_row] = '\0';
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for(uint32_t j = 0; j < bytes_left_per_row; ++j)
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if(!isprint((int)temp_buf[j])) temp_buf[j] = ' ';
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canvas_set_font(canvas, FontKeyboard);
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canvas_draw_str(canvas, LEFT_OFFSET, TOP_OFFSET + i * ROW_HEIGHT, temp_buf);
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} else {
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uint32_t addr = text_viewer->model->file_offset + i * TEXT_VIEWER_BYTES_PER_LINE;
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snprintf(temp_buf, 32, "%04lX", addr);
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canvas_set_font(canvas, FontKeyboard);
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canvas_draw_str(canvas, LEFT_OFFSET, TOP_OFFSET + i * ROW_HEIGHT, temp_buf);
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}
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}
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furi_mutex_release(text_viewer->mutex);
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}
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static void input_callback(InputEvent* input_event, void* ctx) {
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TextViewer* text_viewer = ctx;
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if(input_event->type == InputTypeShort || input_event->type == InputTypeRepeat) {
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furi_message_queue_put(text_viewer->input_queue, input_event, 0);
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}
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}
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static TextViewer* text_viewer_alloc() {
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TextViewer* instance = malloc(sizeof(TextViewer));
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instance->model = malloc(sizeof(TextViewerModel));
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memset(instance->model, 0x0, sizeof(TextViewerModel));
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instance->mutex = furi_mutex_alloc(FuriMutexTypeNormal);
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instance->input_queue = furi_message_queue_alloc(8, sizeof(InputEvent));
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instance->view_port = view_port_alloc();
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view_port_draw_callback_set(instance->view_port, render_callback, instance);
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view_port_input_callback_set(instance->view_port, input_callback, instance);
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instance->gui = furi_record_open(RECORD_GUI);
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gui_add_view_port(instance->gui, instance->view_port, GuiLayerFullscreen);
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instance->storage = furi_record_open(RECORD_STORAGE);
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return instance;
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}
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static void text_viewer_free(TextViewer* instance) {
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furi_record_close(RECORD_STORAGE);
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gui_remove_view_port(instance->gui, instance->view_port);
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furi_record_close(RECORD_GUI);
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view_port_free(instance->view_port);
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furi_message_queue_free(instance->input_queue);
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furi_mutex_free(instance->mutex);
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if(instance->model->stream) buffered_file_stream_close(instance->model->stream);
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free(instance->model);
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free(instance);
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}
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static bool text_viewer_open_file(TextViewer* text_viewer, const char* file_path) {
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furi_assert(text_viewer);
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furi_assert(file_path);
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text_viewer->model->stream = buffered_file_stream_alloc(text_viewer->storage);
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bool isOk = true;
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do {
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if(!buffered_file_stream_open(
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text_viewer->model->stream, file_path, FSAM_READ, FSOM_OPEN_EXISTING)) {
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FURI_LOG_E(TAG, "Unable to open stream: %s", file_path);
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isOk = false;
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break;
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};
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text_viewer->model->file_size = stream_size(text_viewer->model->stream);
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} while(false);
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return isOk;
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}
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static bool text_viewer_read_file(TextViewer* text_viewer) {
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furi_assert(text_viewer);
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furi_assert(text_viewer->model->stream);
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furi_assert(text_viewer->model->file_offset % TEXT_VIEWER_BYTES_PER_LINE == 0);
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memset(text_viewer->model->file_bytes, 0x0, TEXT_VIEWER_BUF_SIZE);
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bool isOk = true;
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do {
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uint32_t offset = text_viewer->model->file_offset;
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if(!stream_seek(text_viewer->model->stream, offset, true)) {
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FURI_LOG_E(TAG, "Unable to seek stream");
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isOk = false;
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break;
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}
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text_viewer->model->file_read_bytes = stream_read(
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text_viewer->model->stream,
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(uint8_t*)text_viewer->model->file_bytes,
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TEXT_VIEWER_BUF_SIZE);
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} while(false);
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return isOk;
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}
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int32_t text_viewer_app(void* p) {
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TextViewer* text_viewer = text_viewer_alloc();
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FuriString* file_path;
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file_path = furi_string_alloc();
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do {
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if(p && strlen(p)) {
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furi_string_set(file_path, (const char*)p);
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} else {
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furi_string_set(file_path, TEXT_VIEWER_APP_PATH_FOLDER);
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DialogsFileBrowserOptions browser_options;
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dialog_file_browser_set_basic_options(
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&browser_options, TEXT_VIEWER_APP_EXTENSION, &I_text_10px);
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browser_options.hide_ext = false;
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DialogsApp* dialogs = furi_record_open(RECORD_DIALOGS);
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bool res = dialog_file_browser_show(dialogs, file_path, file_path, &browser_options);
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furi_record_close(RECORD_DIALOGS);
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if(!res) {
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FURI_LOG_I(TAG, "No file selected");
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break;
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}
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}
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FURI_LOG_I(TAG, "File selected: %s", furi_string_get_cstr(file_path));
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if(!text_viewer_open_file(text_viewer, furi_string_get_cstr(file_path))) break;
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text_viewer_read_file(text_viewer);
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InputEvent input;
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while(1) {
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if(furi_message_queue_get(text_viewer->input_queue, &input, 100) == FuriStatusOk) {
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if(input.key == InputKeyBack) {
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break;
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} else if(input.key == InputKeyUp) {
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furi_check(
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furi_mutex_acquire(text_viewer->mutex, FuriWaitForever) == FuriStatusOk);
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if(text_viewer->model->file_offset > 0) {
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text_viewer->model->file_offset -= TEXT_VIEWER_BYTES_PER_LINE;
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if(!text_viewer_read_file(text_viewer)) break;
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}
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furi_mutex_release(text_viewer->mutex);
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} else if(input.key == InputKeyDown) {
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furi_check(
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furi_mutex_acquire(text_viewer->mutex, FuriWaitForever) == FuriStatusOk);
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uint32_t last_byte_on_screen =
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text_viewer->model->file_offset + text_viewer->model->file_read_bytes;
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if(text_viewer->model->file_size > last_byte_on_screen) {
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text_viewer->model->file_offset += TEXT_VIEWER_BYTES_PER_LINE;
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if(!text_viewer_read_file(text_viewer)) break;
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}
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furi_mutex_release(text_viewer->mutex);
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} else if(input.key == InputKeyLeft) {
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furi_check(
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furi_mutex_acquire(text_viewer->mutex, FuriWaitForever) == FuriStatusOk);
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text_viewer->model->mode = !text_viewer->model->mode;
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furi_mutex_release(text_viewer->mutex);
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} else if(input.key == InputKeyRight) {
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FuriString* buffer;
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buffer = furi_string_alloc();
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furi_string_printf(
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buffer,
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"File path: %s\nFile size: %lu (0x%lX)",
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furi_string_get_cstr(file_path),
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text_viewer->model->file_size,
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text_viewer->model->file_size);
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DialogsApp* dialogs = furi_record_open(RECORD_DIALOGS);
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DialogMessage* message = dialog_message_alloc();
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dialog_message_set_header(
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message, "Text Viewer v1.1", 16, 2, AlignLeft, AlignTop);
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dialog_message_set_icon(message, &I_text_10px, 3, 2);
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dialog_message_set_text(
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message, furi_string_get_cstr(buffer), 3, 16, AlignLeft, AlignTop);
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dialog_message_set_buttons(message, NULL, NULL, "Back");
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dialog_message_show(dialogs, message);
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furi_string_free(buffer);
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dialog_message_free(message);
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furi_record_close(RECORD_DIALOGS);
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}
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}
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view_port_update(text_viewer->view_port);
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}
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} while(false);
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furi_string_free(file_path);
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text_viewer_free(text_viewer);
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return 0;
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} |