Henry-Hiles/material_emoji_picker
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make calculation a bit easier to read

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This commit is contained in:
Henry Hiles 2026-09-17 11:43:21 -04:00
commit 5480889848
Signed by: Henry-Hiles
SSH key fingerprint: SHA256:VKQUdS31Q90KvX7EkKMHMBpUspcmItAh86a+v7PGiIs
1 changed files with 13 additions and 18 deletions
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31
lib/src/widgets/emoji_picker.dart
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@ -59,31 +59,26 @@ class EmojiPicker extends HookConsumerWidget {
useEffect(() {
void syncSelectedCategoryWithScroll() {
final viewport =
scrollViewKey.currentContext?.findRenderObject()
as RenderBox?;
if (viewport == null) return;
final viewport = scrollViewKey.currentContext
?.findRenderObject();
if (viewport is! RenderBox) return;
var firstVisibleIndex = 0;
for (var index = 0; index < headerKeys.length; index++) {
final header = headerKeys[index].currentContext
final selectedIndex = headerKeys.lastIndexWhere((headerKey) {
final renderObject = headerKey.currentContext
?.findRenderObject();
if (header is! RenderBox) continue;
final headerTop = header
if (renderObject is! RenderBox) return false;
final top = renderObject
.localToGlobal(Offset.zero, ancestor: viewport)
.dy;
if (headerTop > 1) break;
return top <= 1;
});
firstVisibleIndex = index;
}
if (firstVisibleIndex != selectedCategory.value) {
selectedCategory.value = firstVisibleIndex;
final chipContext =
chipKeys[firstVisibleIndex].currentContext;
if (selectedIndex != selectedCategory.value) {
selectedCategory.value = selectedIndex;
final chipContext = chipKeys[selectedIndex].currentContext;
if (chipContext != null) {
unawaited(