232 lines
7.8 KiB
C++
232 lines
7.8 KiB
C++
/*
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* Copyright (C) EdgeTX
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*
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* Based on code named
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* opentx - https://github.com/opentx/opentx
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "edgetx.h"
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constexpr uint32_t TEXT_FILE_MAXSIZE = 2048;
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constexpr char CHECKABLE_PREFIX = '=';
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int checklistPosition;
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static void sdReadTextFile(const char * filename, char lines[TEXT_VIEWER_LINES][LCD_COLS + 1], int & lines_count)
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{
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FIL file;
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int result;
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char c;
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unsigned int sz;
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int line_length = 0;
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uint8_t escape = 0;
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char escape_chars[4] = {0};
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int current_line = 0;
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memclear(lines, TEXT_VIEWER_LINES * (LCD_COLS + 1));
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result = f_open(&file, filename, FA_OPEN_EXISTING | FA_READ);
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if (result == FR_OK) {
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for (uint32_t i = 0; i < TEXT_FILE_MAXSIZE && f_read(&file, &c, 1, &sz) == FR_OK && sz == 1 && (lines_count == 0 || current_line - menuVerticalOffset < int(TEXT_VIEWER_LINES)); i++) {
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if (c == '\n') {
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++current_line;
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line_length = 0;
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escape = 0;
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}
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else if (c != '\r' && current_line >= menuVerticalOffset && current_line - menuVerticalOffset < int(TEXT_VIEWER_LINES) && line_length < LCD_COLS) {
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if (c == '\\' && escape == 0) {
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escape = 1;
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continue;
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}
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else if (c != '\\' && escape > 0 && escape < sizeof(escape_chars)) {
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escape_chars[escape - 1] = c;
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if (escape == 2 && !strncmp(escape_chars, "up", 2)) {
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lines[current_line-menuVerticalOffset][line_length++] = CHAR_UP[0];
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c = CHAR_UP[1];
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}
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else if (escape == 2 && !strncmp(escape_chars, "dn", 2)) {
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lines[current_line-menuVerticalOffset][line_length++] = CHAR_DOWN[0];
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c = CHAR_DOWN[1];
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}
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else if (escape == 3) {
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int val = atoi(escape_chars);
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if (val >= 200 && val < 225) {
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lines[current_line-menuVerticalOffset][line_length++] = '\302';
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c = '\200' + val - 200;
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}
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}
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else {
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escape++;
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continue;
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}
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}
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else if (c=='~') {
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c = 'z'+1;
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}
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else if (c=='\t') {
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c = 0x1D; //tab
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}
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escape = 0;
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lines[current_line-menuVerticalOffset][line_length++] = c;
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}
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}
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if (c != '\n') {
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current_line += 1;
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}
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f_close(&file);
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}
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if (lines_count == 0) {
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lines_count = current_line;
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}
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}
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void readModelNotes()
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{
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LED_ERROR_BEGIN();
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strcpy(reusableBuffer.viewText.filename, MODELS_PATH "/");
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char *buf = strcat_currentmodelname(
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&reusableBuffer.viewText.filename[sizeof(MODELS_PATH)], 0);
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strcpy(buf, TEXT_EXT);
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if (!isFileAvailable(reusableBuffer.viewText.filename)) {
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buf = strcat_currentmodelname(
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&reusableBuffer.viewText.filename[sizeof(MODELS_PATH)], ' ');
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strcpy(buf, TEXT_EXT);
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#if defined(STORAGE_MODELSLIST)
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if (!isFileAvailable(reusableBuffer.viewText.filename)) {
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buf = strAppendFilename(
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&reusableBuffer.viewText.filenam[sizeof(MODELS_PATH)],
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g_eeGeneral.currModelFilename, LEN_MODEL_FILENAME);
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strcpy(buf, TEXT_EXT);
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}
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#endif
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}
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waitKeysReleased();
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event_t event = EVT_ENTRY;
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reusableBuffer.viewText.pushMenu = false;
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while (true) {
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uint32_t power = pwrCheck();
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if (power != e_power_press) {
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lcdRefreshWait();
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lcdClear();
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menuTextView(event);
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lcdRefresh();
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}
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if (power == e_power_off){
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drawSleepBitmap();
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boardOff();
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break;
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}
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event = getEvent();
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WDG_RESET();
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if (reusableBuffer.viewText.checklistComplete) break;
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}
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LED_ERROR_END();
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}
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void menuTextView(event_t event)
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{
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if (event == EVT_ENTRY) {
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menuVerticalOffset = 0;
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checklistPosition = 0;
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reusableBuffer.viewText.checklistComplete = false;
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reusableBuffer.viewText.linesCount = 0;
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sdReadTextFile(reusableBuffer.viewText.filename, reusableBuffer.viewText.lines, reusableBuffer.viewText.linesCount);
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} else if (IS_PREVIOUS_EVENT(event)) {
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if (menuVerticalOffset > 0) {
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menuVerticalOffset--;
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sdReadTextFile(reusableBuffer.viewText.filename, reusableBuffer.viewText.lines, reusableBuffer.viewText.linesCount);
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}
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} else if (IS_NEXT_EVENT(event)) {
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if (menuVerticalOffset + LCD_LINES-1 < reusableBuffer.viewText.linesCount) {
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++menuVerticalOffset;
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sdReadTextFile(reusableBuffer.viewText.filename, reusableBuffer.viewText.lines, reusableBuffer.viewText.linesCount);
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}
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} else if (event == EVT_KEY_BREAK(KEY_ENTER)) {
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if (g_model.checklistInteractive && !reusableBuffer.viewText.pushMenu && checklistPosition-(int)menuVerticalOffset >= 0){
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if (checklistPosition < reusableBuffer.viewText.linesCount) {
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if (checklistPosition-(int)menuVerticalOffset < LCD_LINES-1) {
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++checklistPosition;
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if (checklistPosition-(int)menuVerticalOffset >= LCD_LINES-2 && menuVerticalOffset+LCD_LINES-1 < reusableBuffer.viewText.linesCount) {
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++menuVerticalOffset;
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sdReadTextFile(reusableBuffer.viewText.filename, reusableBuffer.viewText.lines, reusableBuffer.viewText.linesCount);
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}
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}
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}
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else {
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if (reusableBuffer.viewText.pushMenu == true) popMenu();
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reusableBuffer.viewText.checklistComplete = true;
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}
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}
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} else if (event == EVT_KEY_BREAK(KEY_EXIT)) {
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if (!g_model.checklistInteractive || reusableBuffer.viewText.pushMenu) {
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if (reusableBuffer.viewText.pushMenu == true) popMenu();
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reusableBuffer.viewText.checklistComplete = true;
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}
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}
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for (int i=0; i<LCD_LINES-1; i++) {
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if (g_model.checklistInteractive){
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if (reusableBuffer.viewText.lines[i][0] == CHECKABLE_PREFIX) {
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if (i < reusableBuffer.viewText.linesCount && !reusableBuffer.viewText.pushMenu)
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drawCheckBox(0, i*FH+FH+1, i < checklistPosition-(int)menuVerticalOffset, i == checklistPosition-(int)menuVerticalOffset);
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lcdDrawText(8, i*FH+FH+1, &reusableBuffer.viewText.lines[i][1], FIXEDWIDTH);
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}
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else {
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lcdDrawText(8, i*FH+FH+1, &reusableBuffer.viewText.lines[i][0], FIXEDWIDTH);
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if (i == checklistPosition-(int)menuVerticalOffset){
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++checklistPosition;
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if (checklistPosition-(int)menuVerticalOffset == LCD_LINES-1 && menuVerticalOffset+LCD_LINES-1 < reusableBuffer.viewText.linesCount) {
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++menuVerticalOffset;
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sdReadTextFile(reusableBuffer.viewText.filename, reusableBuffer.viewText.lines, reusableBuffer.viewText.linesCount);
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i = 0; // Reset rendering of the display after changing the offest
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}
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}
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}
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}
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else {
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lcdDrawText(0, i*FH+FH+1, reusableBuffer.viewText.lines[i], FIXEDWIDTH);
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}
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}
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char * title = reusableBuffer.viewText.filename;
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#if defined(SIMU)
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if (!strncmp(title, "./", 2)) title += 2;
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#else
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// TODO?
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#endif
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lcdDrawText(LCD_W/2, 0, getBasename(title), CENTERED);
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lcdInvertLine(0);
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if (reusableBuffer.viewText.linesCount > LCD_LINES-1) {
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drawVerticalScrollbar(LCD_W-1, FH, LCD_H-FH, menuVerticalOffset, reusableBuffer.viewText.linesCount, LCD_LINES-1);
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}
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}
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void pushMenuTextView(const char *filename)
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{
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if (strlen(filename) < TEXT_FILENAME_MAXLEN) {
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strcpy(reusableBuffer.viewText.filename, filename);
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reusableBuffer.viewText.pushMenu = true;
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pushMenu(menuTextView);
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}
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}
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