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Add AVNC screen scale feature

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Caten
2025-09-10 17:32:08 +08:00
parent 638e8e7007
commit 8a9323a915
6 changed files with 80 additions and 31 deletions
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71
lib/main.dart
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@@ -172,6 +172,8 @@ class _SettingPageState extends State<SettingPage> {
final List<bool> _expandState = [false, false, false, false, false, false];
double _avncScaleFactor = Util.getGlobal("avncScaleFactor") as double;
@override
Widget build(BuildContext context) {
return ExpansionPanelList(
@@ -337,6 +339,25 @@ class _SettingPageState extends State<SettingPage> {
headerBuilder: ((context, isExpanded) {
return ListTile(title: Text(AppLocalizations.of(context)!.displaySettings));
}), body: Padding(padding: const EdgeInsets.all(12), child: Column(children: [
const SizedBox.square(dimension: 16),
Text(AppLocalizations.of(context)!.hidpiAdvantages),
const SizedBox.square(dimension: 16),
TextFormField(maxLines: null, initialValue: Util.getGlobal("defaultHidpiOpt") as String, decoration: InputDecoration(border: OutlineInputBorder(), labelText: AppLocalizations.of(context)!.hidpiEnvVar),
onChanged: (value) async {
await G.prefs.setString("defaultHidpiOpt", value);
},
),
const SizedBox.square(dimension: 8),
SwitchListTile(title: Text(AppLocalizations.of(context)!.hidpiSupport), subtitle: Text(AppLocalizations.of(context)!.applyOnNextLaunch), value: Util.getGlobal("isHidpiEnabled") as bool, onChanged:(value) {
G.prefs.setBool("isHidpiEnabled", value);
// 开启高分辨率后把缩放比调为原来的两倍 +log4(2) = 0.5
_avncScaleFactor += value ? 0.5 : -0.5;
_avncScaleFactor = _avncScaleFactor.clamp(-1, 1);
G.prefs.setDouble("avncScaleFactor", _avncScaleFactor);
setState(() {});
},),
const SizedBox.square(dimension: 16),
const Divider(height: 2, indent: 8, endIndent: 8),
const SizedBox.square(dimension: 16),
Text(AppLocalizations.of(context)!.avncAdvantages),
const SizedBox.square(dimension: 16),
@@ -347,7 +368,7 @@ class _SettingPageState extends State<SettingPage> {
OutlinedButton(style: D.commandButtonStyle, child: Text(AppLocalizations.of(context)!.aboutAVNC), onPressed: () async {
await AvncFlutter.launchAboutPage();
}),
OutlinedButton(style: D.commandButtonStyle, child: Text(AppLocalizations.of(context)!.avncResolution), onPressed: () async {
OutlinedButton(style: D.commandButtonStyle, onPressed: Util.getGlobal("avncResizeDesktop") as bool ? null : () async {
final s = WidgetsBinding.instance.platformDispatcher.views.first.physicalSize;
final w0 = max(s.width, s.height);
final h0 = min(s.width, s.height);
@@ -388,13 +409,44 @@ sed -i -E "s@^(VNC_RESOLUTION)=.*@\\1=${w}x${h}@" \$(command -v startvnc)""");
}, child: Text(AppLocalizations.of(context)!.save)),
]);
});
}),
}, child: Text(AppLocalizations.of(context)!.avncResolution)),
]),
const SizedBox.square(dimension: 8),
SwitchListTile(title: Text(AppLocalizations.of(context)!.useAVNCByDefault), subtitle: Text(AppLocalizations.of(context)!.applyOnNextLaunch), value: Util.getGlobal("useAvnc") as bool, onChanged:(value) {
G.prefs.setBool("useAvnc", value);
setState(() {});
},),
const SizedBox.square(dimension: 8),
SwitchListTile(title: Text(AppLocalizations.of(context)!.avncScreenResize), value: Util.getGlobal("avncResizeDesktop") as bool, onChanged:(value) {
G.prefs.setBool("avncResizeDesktop", value);
setState(() {});
},),
const SizedBox.square(dimension: 8),
ListTile(
title: Text(AppLocalizations.of(context)!.avncResizeFactor),
onTap: () {},
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
SizedBox(height: 8),
Text('${AppLocalizations.of(context)!.avncResizeFactorValue} ${pow(4, _avncScaleFactor).toStringAsFixed(2)}x'),
SizedBox(height: 12),
Slider(
value: _avncScaleFactor,
min: -1,
max: 1,
divisions: 96,
onChangeEnd: (double value) {
G.prefs.setDouble("avncScaleFactor", value);
},
onChanged: Util.getGlobal("avncResizeDesktop") as bool ? (double value) {
_avncScaleFactor = value;
setState(() {});
} : null,
),
],
),
),
const SizedBox.square(dimension: 16),
const Divider(height: 2, indent: 8, endIndent: 8),
const SizedBox.square(dimension: 16),
@@ -414,21 +466,6 @@ sed -i -E "s@^(VNC_RESOLUTION)=.*@\\1=${w}x${h}@" \$(command -v startvnc)""");
setState(() {});
},),
const SizedBox.square(dimension: 16),
const Divider(height: 2, indent: 8, endIndent: 8),
const SizedBox.square(dimension: 16),
Text(AppLocalizations.of(context)!.hidpiAdvantages),
const SizedBox.square(dimension: 16),
TextFormField(maxLines: null, initialValue: Util.getGlobal("defaultHidpiOpt") as String, decoration: InputDecoration(border: OutlineInputBorder(), labelText: AppLocalizations.of(context)!.hidpiEnvVar),
onChanged: (value) async {
await G.prefs.setString("defaultHidpiOpt", value);
},
),
const SizedBox.square(dimension: 8),
SwitchListTile(title: Text(AppLocalizations.of(context)!.hidpiSupport), subtitle: Text(AppLocalizations.of(context)!.applyOnNextLaunch), value: Util.getGlobal("isHidpiEnabled") as bool, onChanged:(value) {
G.prefs.setBool("isHidpiEnabled", value);
setState(() {});
},),
const SizedBox.square(dimension: 16),
],))),
ExpansionPanel(
isExpanded: _expandState[3],