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mod: 视频评论输入框：可随键盘高度与文本行数移动和缩起；实现失去焦点功能；添加滚动条

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This commit is contained in:
orz12
2024-01-20 13:51:17 +08:00
parent 53ce81673b
commit ca6091b90d
1 changed files with 45 additions and 49 deletions
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94
lib/pages/video/detail/reply_new/view.dart
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@ -34,8 +34,6 @@ class _VideoReplyNewDialogState extends State<VideoReplyNewDialog>
final TextEditingController _replyContentController = TextEditingController();
final FocusNode replyContentFocusNode = FocusNode();
final GlobalKey _formKey = GlobalKey<FormState>();
double _keyboardHeight = 0.0; // 键盘高度
final _debouncer = Debouncer(milliseconds: 100); // 设置延迟时间
bool ableClean = false;
Timer? timer;
Box localCache = GStrorage.localCache;
@ -90,24 +88,6 @@ class _VideoReplyNewDialogState extends State<VideoReplyNewDialog>
}
}
@override
void didChangeMetrics() {
super.didChangeMetrics();
WidgetsBinding.instance.addPostFrameCallback((_) {
// 键盘高度
final viewInsets = EdgeInsets.fromViewPadding(
View.of(context).viewInsets, View.of(context).devicePixelRatio);
_debouncer.run(() {
if (mounted) {
setState(() {
_keyboardHeight =
_keyboardHeight == 0.0 ? viewInsets.bottom : _keyboardHeight;
});
}
});
});
}
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
@ -117,8 +97,10 @@ class _VideoReplyNewDialogState extends State<VideoReplyNewDialog>
@override
Widget build(BuildContext context) {
double keyboardHeight = EdgeInsets.fromViewPadding(
View.of(context).viewInsets, View.of(context).devicePixelRatio)
.bottom;
return Container(
height: 500,
clipBehavior: Clip.hardEdge,
decoration: BoxDecoration(
borderRadius: const BorderRadius.only(
@ -130,30 +112,32 @@ class _VideoReplyNewDialogState extends State<VideoReplyNewDialog>
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Expanded(
child: Container(
padding: const EdgeInsets.only(
top: 6, right: 15, left: 15, bottom: 10),
child: Form(
key: _formKey,
autovalidateMode: AutovalidateMode.onUserInteraction,
child: TextField(
controller: _replyContentController,
minLines: 1,
maxLines: null,
autofocus: false,
focusNode: replyContentFocusNode,
decoration: const InputDecoration(
hintText: "输入回复内容",
border: InputBorder.none,
hintStyle: TextStyle(
fontSize: 14,
)),
style: Theme.of(context).textTheme.bodyLarge,
),
ConstrainedBox(
constraints: const BoxConstraints(
maxHeight: 200,
),
),
),
child: SingleChildScrollView(
padding: const EdgeInsets.only(
top: 6, right: 15, left: 15, bottom: 10),
child: Form(
key: _formKey,
autovalidateMode: AutovalidateMode.onUserInteraction,
child: TextField(
controller: _replyContentController,
minLines: 1,
maxLines: null,
autofocus: false,
focusNode: replyContentFocusNode,
decoration: const InputDecoration(
hintText: "输入回复内容",
border: InputBorder.none,
hintStyle: TextStyle(
fontSize: 14,
)),
style: Theme.of(context).textTheme.bodyLarge,
),
),
)),
Divider(
height: 1,
color: Theme.of(context).dividerColor.withOpacity(0.1),
@ -169,10 +153,17 @@ class _VideoReplyNewDialogState extends State<VideoReplyNewDialog>
height: 36,
child: IconButton(
onPressed: () {
FocusScope.of(context)
.requestFocus(replyContentFocusNode);
if (keyboardHeight > 0) {
FocusScope.of(context).unfocus();
} else {
FocusScope.of(context)
.requestFocus(replyContentFocusNode);
}
},
icon: Icon(Icons.keyboard,
icon: Icon(
keyboardHeight > 0
? Icons.keyboard_hide
: Icons.keyboard,
size: 22,
color: Theme.of(context).colorScheme.onBackground),
highlightColor:
@ -181,7 +172,12 @@ class _VideoReplyNewDialogState extends State<VideoReplyNewDialog>
padding: MaterialStateProperty.all(EdgeInsets.zero),
backgroundColor:
MaterialStateProperty.resolveWith((states) {
return Theme.of(context).highlightColor;
// 如果按钮被按下，返回高亮颜色
if (states.contains(MaterialState.pressed)) {
return Theme.of(context).highlightColor;
}
// 默认状态下，返回透明颜色
return Colors.transparent;
}),
)),
),
@ -196,7 +192,7 @@ class _VideoReplyNewDialogState extends State<VideoReplyNewDialog>
duration: const Duration(milliseconds: 300),
child: SizedBox(
width: double.infinity,
height: _keyboardHeight,
height: keyboardHeight,
),
),
],