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BangleApps
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optimized indicator

master
kkayam 2025-02-18 19:21:52 +00:00
parent 817abe183d
commit 9b9300512e
1 changed files with 12 additions and 21 deletions
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33
apps/cutelauncher/app.js
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@ -44,7 +44,7 @@
const ITEM_HEIGHT = 95;
// Create scroll indicator overlay
const overlayWidth = 30; // Increased width
const overlayWidth = 30;
const overlayHeight = 35;
const overlay = Graphics.createArrayBuffer(overlayWidth, overlayHeight, 16, { msb: true });
@ -132,26 +132,17 @@
// Function to update scroll indicator
function updateScrollIndicator(idx) {
// Calculate visible items that can fit on screen
const visibleItems = Math.floor(g.getHeight() / ITEM_HEIGHT);
// Calculate scroll percentage based on current index relative to total scrollable items
let scrollPercent = idx / (apps.length - visibleItems);
// Constrain scroll percentage between 0 and 1
scrollPercent = Math.max(0, Math.min(1, scrollPercent));
// Add margins to the scrollable area
const marginX = 1;
const marginY = 5;
const scrollableHeight = g.getHeight() - (marginY * 2) - overlayHeight;
let indicatorY = marginY + (scrollableHeight * scrollPercent);
// Ensure indicator stays within bounds
indicatorY = Math.max(marginY, Math.min(g.getHeight() - overlayHeight - marginY, indicatorY));
let scrollPercent = (idx) / (apps.length - 1);
let scrollableHeight = g.getHeight() - marginY * 2 - overlayHeight;
let indicatorY = scrollPercent * scrollableHeight + marginY;
Bangle.setLCDOverlay(overlay, g.getWidth() - overlayWidth - marginX, indicatorY, { id: "scrollIndicator" });
}
let prev_idx = -1;
E.showScroller({
h: ITEM_HEIGHT,
c: apps.length,
@ -189,7 +180,10 @@
}
let textY = rect.y + iconPadding + iconSize + 15;
g.drawString(text, rectX + rectSize / 2, textY);
updateScrollIndicator(idx);
if (idx != prev_idx && settings.scrollbar) {
updateScrollIndicator(idx);
prev_idx = idx;
}
},
select: (idx) => {
// Launch the selected app
@ -200,11 +194,8 @@
setWatch(() => { }, BTN1);
// Remove lock handler
Bangle.removeListener('lock');
// Remove drag handler
if (settings.scrollbar) {
// Clear the scroll overlay
Bangle.setLCDOverlay();
}
// Clear the scroll overlay
Bangle.setLCDOverlay();
}
});