New app!

apps/txtreader/ChangeLog

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+0.01: New App!

apps/txtreader/README.md

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+# txtreader
+
+Very basic text reader with an integrated file selector. 
+
+## Features 
+
+- select files from storage (.txt)
+- display their contents
+- browse pages
+
+## Controls
+
+Bangle.js 2
+- tap the right side of the screen to flip to the next page
+- tap the left side of the screen to flip to the previous page
+- exit by pressing the physical button 
+
+## Creator
+
+<https://topkekker.rip/>

apps/txtreader/app.js

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+function showFileSelector() {
+  let files = require("Storage").list().filter(f => f.endsWith('.txt'));
+
+  let menuItems = {};
+  files.forEach(file => {
+    menuItems[file] = () => {
+      E.showPrompt(`Select ${file}?`).then(confirm => {
+        if (confirm) {
+          onFileSelected(file);
+        } else {
+          showFileSelector();
+        }
+      });
+    };
+  });
+
+  menuItems['< Back'] = () => { load(); }; // Go back to the launcher or previous screen
+  E.showMenu(menuItems);
+}
+
+function onFileSelected(file) {
+
+  var text = require("Storage").read(file);
+
+  function displayText(text, startLine, pageNumber) {
+    g.clear();
+    g.setFont("6x8", 1);
+    g.setColor(1);
+    g.drawString("Page " + pageNumber, 10, 2);
+    g.drawString(file, g.getWidth()-file.length*6, 2);
+
+    var lines = text.split("\n");
+    var y = 15; // Text start, top row reserved for page number
+    var currentLine = startLine || 0;
+    var linesDisplayed = 0; //Per page
+
+    for (var i = currentLine; i < lines.length; i++) {
+      var wrappedLines = g.wrapString(lines[i], g.getWidth() - 20);
+      for (var j = 0; j < wrappedLines.length; j++) {
+        g.drawString(wrappedLines[j], 10, y);
+        y += 10; // Move down for the next line
+        linesDisplayed++;
+        if (y >= g.getHeight() - 10) {
+          // If we run out of space, stop drawing
+          return { nextStartLine: i , linesDisplayed: linesDisplayed };
+        }
+      }
+    }
+    return null; // No more lines to display
+  }
+
+  var currentStartLine = 0;
+  var currentPage = 1;
+  var history = []; // Track the start line and lines displayed for each page
+
+  // Initial display
+  var result = displayText(text, currentStartLine, currentPage);
+  history.push({ startLine: currentStartLine, linesDisplayed: result.linesDisplayed });
+
+  // Handle touch events
+  Bangle.on('touch', function(button) {
+    if (button === 2) { // Right side of the screen (next page)
+      var nextStartLine = displayText(text, currentStartLine, currentPage + 1);
+      if (nextStartLine !== null) {
+        currentStartLine = nextStartLine.nextStartLine;
+        currentPage++;
+        history.push({ startLine: currentStartLine, linesDisplayed: nextStartLine.linesDisplayed });
+        displayText(text, currentStartLine, currentPage);
+      } else {
+        currentStartLine = 0;
+        currentPage = 1;
+        history = [{ startLine: currentStartLine, linesDisplayed: result.linesDisplayed }];
+        displayText(text, currentStartLine, currentPage);
+      }
+    } else if (button === 1) { // Left side of the screen (previous page)
+      if (currentPage > 1) {
+        // Go back to the previous page
+        history.pop(); // Remove the current page from history
+        var previousPage = history[history.length - 1];
+        currentStartLine = previousPage.startLine;
+        currentPage--;
+        displayText(text, currentStartLine, currentPage);
+      }
+    }
+  });
+}
+
+showFileSelector();

apps/txtreader/metadata.json

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+{
+  "id": "txtreader",
+  "name": "txtreader",
+  "shortName": "txtreader",
+  "version": "0.01",
+  "description": "Basic text reader with pages and a file selector.",
+  "icon": "txtreader.png",
+  "screenshots": [{"url":"screenshot_txtreader.png"}],
+  "tags": "app,tool",
+  "supports": ["BANGLEJS2"],
+  "readme": "README.md",
+  "storage": [
+    {"name":"txtreader.app.js","url":"app.js"},
+    {"name":"txtreader.img","url":"app-icon.js","evaluate":true}
+  ]
+}