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txtreader: hook up touch events to ui, implement bigger font

master
Pavel Machek 2025-02-14 22:14:29 +01:00
parent 38ef6b6a52
commit 39ac54842e
1 changed files with 18 additions and 12 deletions
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30
apps/txtreader/app.js
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@ -125,10 +125,6 @@ function onFileSelected(file) {
return null; // No more lines to display
}
// Initial display
var result = displayText(currentOffset, currentPage);
history.push({ offset: currentOffset, linesDisplayed: result.linesDisplayed });
function nextPage() {
var nextOffset = displayText(currentOffset, currentPage + 1);
if (nextOffset !== null) {
@ -157,16 +153,26 @@ function onFileSelected(file) {
function zoom() {
g.clear();
big = !big;
firstDraw();
}
// Handle touch events
Bangle.on('touch', function(button) {
if (button === 2) { // Right side of the screen (next page)
nextPage();
} else if (button === 1) { // Left side of the screen (previous page)
prevPage();
}
});
function firstDraw() {
currentOffset = 0;
currentPage = 1;
history = [];
// Initial display
var result = displayText(currentOffset, currentPage);
history.push({ offset: currentOffset, linesDisplayed: result.linesDisplayed });
}
ui.init();
ui.prevScreen = prevPage;
ui.nextScreen = nextPage;
ui.topLeft = zoom;
firstDraw();
Bangle.on("drag", (b) => ui.touchHandler(b));
}
showFileSelector();