mirror of
https://github.com/wwiinnddyy/LanMountainDesktop.git
synced 2026-06-20 23:54:26 +08:00
825 lines
26 KiB
C#
825 lines
26 KiB
C#
using System;
|
||
using System.Collections.Generic;
|
||
using System.Diagnostics;
|
||
using System.IO;
|
||
using System.Linq;
|
||
using System.Threading.Tasks;
|
||
using Avalonia;
|
||
using Avalonia.Controls;
|
||
using Avalonia.Input;
|
||
using Avalonia.Interactivity;
|
||
using Avalonia.Layout;
|
||
using Avalonia.Media;
|
||
using Avalonia.Media.Imaging;
|
||
using Avalonia.Threading;
|
||
using Avalonia.VisualTree;
|
||
using LanMontainDesktop.Models;
|
||
using LanMontainDesktop.Services;
|
||
|
||
namespace LanMontainDesktop.Views;
|
||
|
||
public partial class MainWindow
|
||
{
|
||
private const int MinDesktopPageCount = 1;
|
||
private const int MaxDesktopPageCount = 12;
|
||
private readonly WindowsStartMenuService _windowsStartMenuService = new();
|
||
private readonly Dictionary<string, Bitmap> _launcherIconCache = new(StringComparer.OrdinalIgnoreCase);
|
||
private readonly Stack<StartMenuFolderNode> _launcherFolderStack = [];
|
||
private StartMenuFolderNode _startMenuRoot = new("All Apps", string.Empty);
|
||
private byte[]? _launcherFolderIconPngBytes;
|
||
private Bitmap? _launcherFolderIconBitmap;
|
||
private int _desktopPageCount = MinDesktopPageCount;
|
||
private int _currentDesktopSurfaceIndex;
|
||
private double _desktopSurfacePageWidth;
|
||
private TranslateTransform? _desktopPagesHostTransform;
|
||
private bool _isDesktopSwipeActive;
|
||
private Point _desktopSwipeStartPoint;
|
||
private Point _desktopSwipeCurrentPoint;
|
||
private double _desktopSwipeBaseOffset;
|
||
|
||
private int LauncherSurfaceIndex => Math.Max(MinDesktopPageCount, _desktopPageCount);
|
||
|
||
private int TotalSurfaceCount => LauncherSurfaceIndex + 1;
|
||
|
||
private void InitializeDesktopSurfaceState(AppSettingsSnapshot snapshot)
|
||
{
|
||
var loadedPageCount = snapshot.DesktopPageCount <= 0 ? MinDesktopPageCount : snapshot.DesktopPageCount;
|
||
_desktopPageCount = Math.Clamp(loadedPageCount, MinDesktopPageCount, MaxDesktopPageCount);
|
||
_currentDesktopSurfaceIndex = Math.Clamp(snapshot.CurrentDesktopSurfaceIndex, 0, LauncherSurfaceIndex);
|
||
}
|
||
|
||
private async void LoadLauncherEntriesAsync()
|
||
{
|
||
try
|
||
{
|
||
var loadResult = await Task.Run(() =>
|
||
{
|
||
var loadedRoot = _windowsStartMenuService.Load();
|
||
var folderIconBytes = OperatingSystem.IsWindows()
|
||
? WindowsIconService.TryGetSystemFolderIconPngBytes()
|
||
: null;
|
||
return (Root: loadedRoot, FolderIcon: folderIconBytes);
|
||
});
|
||
await Dispatcher.UIThread.InvokeAsync(() =>
|
||
{
|
||
_startMenuRoot = loadResult.Root;
|
||
_launcherFolderIconPngBytes = loadResult.FolderIcon;
|
||
_launcherFolderIconBitmap?.Dispose();
|
||
_launcherFolderIconBitmap = null;
|
||
RenderLauncherRootTiles();
|
||
}, DispatcherPriority.Background);
|
||
}
|
||
catch
|
||
{
|
||
_startMenuRoot = new StartMenuFolderNode("All Apps", string.Empty);
|
||
_launcherFolderIconPngBytes = null;
|
||
_launcherFolderIconBitmap?.Dispose();
|
||
_launcherFolderIconBitmap = null;
|
||
RenderLauncherRootTiles();
|
||
}
|
||
}
|
||
|
||
private void UpdateDesktopSurfaceLayout(GridMetrics gridMetrics)
|
||
{
|
||
if (DesktopPagesViewport is null ||
|
||
DesktopPagesHost is null ||
|
||
DesktopPagesContainer is null ||
|
||
LauncherPagePanel is null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
_desktopPagesHostTransform = DesktopPagesHost.RenderTransform as TranslateTransform;
|
||
if (_desktopPagesHostTransform is null)
|
||
{
|
||
_desktopPagesHostTransform = new TranslateTransform();
|
||
DesktopPagesHost.RenderTransform = _desktopPagesHostTransform;
|
||
}
|
||
|
||
var viewportRow = gridMetrics.RowCount > 2 ? 1 : 0;
|
||
var viewportRowSpan = gridMetrics.RowCount > 2 ? gridMetrics.RowCount - 2 : 1;
|
||
var pageWidth = Math.Max(1, gridMetrics.GridWidthPx);
|
||
var pageHeight = Math.Max(
|
||
1,
|
||
viewportRowSpan * gridMetrics.CellSize + Math.Max(0, viewportRowSpan - 1) * gridMetrics.GapPx);
|
||
|
||
Grid.SetRow(DesktopPagesViewport, viewportRow);
|
||
Grid.SetColumn(DesktopPagesViewport, 0);
|
||
Grid.SetRowSpan(DesktopPagesViewport, viewportRowSpan);
|
||
Grid.SetColumnSpan(DesktopPagesViewport, gridMetrics.ColumnCount);
|
||
DesktopPagesViewport.Width = pageWidth;
|
||
DesktopPagesViewport.Height = pageHeight;
|
||
if (DesktopEditDragLayer is not null)
|
||
{
|
||
DesktopEditDragLayer.Width = pageWidth;
|
||
DesktopEditDragLayer.Height = pageHeight;
|
||
}
|
||
|
||
DesktopPagesHost.RowDefinitions.Clear();
|
||
DesktopPagesHost.RowDefinitions.Add(new RowDefinition(new GridLength(pageHeight, GridUnitType.Pixel)));
|
||
DesktopPagesHost.ColumnDefinitions.Clear();
|
||
DesktopPagesHost.ColumnDefinitions.Add(
|
||
new ColumnDefinition(new GridLength(pageWidth * _desktopPageCount, GridUnitType.Pixel)));
|
||
DesktopPagesHost.ColumnDefinitions.Add(new ColumnDefinition(new GridLength(pageWidth, GridUnitType.Pixel)));
|
||
DesktopPagesHost.Width = pageWidth * TotalSurfaceCount;
|
||
DesktopPagesHost.Height = pageHeight;
|
||
|
||
DesktopPagesContainer.RowDefinitions.Clear();
|
||
DesktopPagesContainer.RowDefinitions.Add(new RowDefinition(new GridLength(pageHeight, GridUnitType.Pixel)));
|
||
DesktopPagesContainer.ColumnDefinitions.Clear();
|
||
ClearTimeZoneServiceBindings(DesktopPagesContainer.Children.OfType<Control>().ToList());
|
||
DesktopPagesContainer.Children.Clear();
|
||
DesktopPagesContainer.Width = pageWidth * _desktopPageCount;
|
||
DesktopPagesContainer.Height = pageHeight;
|
||
_desktopPageComponentGrids.Clear();
|
||
for (var index = 0; index < _desktopPageCount; index++)
|
||
{
|
||
DesktopPagesContainer.ColumnDefinitions.Add(new ColumnDefinition(new GridLength(pageWidth, GridUnitType.Pixel)));
|
||
|
||
var pageGrid = new Grid
|
||
{
|
||
Width = pageWidth,
|
||
Height = pageHeight,
|
||
RowSpacing = gridMetrics.GapPx,
|
||
ColumnSpacing = gridMetrics.GapPx,
|
||
Background = Brushes.Transparent,
|
||
ShowGridLines = false
|
||
};
|
||
|
||
for (var row = 0; row < viewportRowSpan; row++)
|
||
{
|
||
pageGrid.RowDefinitions.Add(new RowDefinition(new GridLength(gridMetrics.CellSize, GridUnitType.Pixel)));
|
||
}
|
||
|
||
for (var col = 0; col < gridMetrics.ColumnCount; col++)
|
||
{
|
||
pageGrid.ColumnDefinitions.Add(new ColumnDefinition(new GridLength(gridMetrics.CellSize, GridUnitType.Pixel)));
|
||
}
|
||
|
||
_desktopPageComponentGrids[index] = pageGrid;
|
||
RestoreDesktopPageComponents(index);
|
||
|
||
Grid.SetColumn(pageGrid, index);
|
||
Grid.SetRow(pageGrid, 0);
|
||
DesktopPagesContainer.Children.Add(pageGrid);
|
||
}
|
||
|
||
Grid.SetColumn(LauncherPagePanel, 1);
|
||
Grid.SetRow(LauncherPagePanel, 0);
|
||
|
||
// 为启动台添加安全边距以确保圆角不被裁剪
|
||
var launcherMargin = Math.Clamp(gridMetrics.CellSize * 0.15, 6, 16);
|
||
LauncherPagePanel.Margin = new Thickness(launcherMargin);
|
||
LauncherPagePanel.Width = Math.Max(1, pageWidth - launcherMargin * 2);
|
||
LauncherPagePanel.Height = Math.Max(1, pageHeight - launcherMargin * 2);
|
||
LauncherPagePanel.MaxWidth = pageWidth - launcherMargin * 2;
|
||
LauncherPagePanel.MaxHeight = pageHeight - launcherMargin * 2;
|
||
|
||
if (LauncherFolderPanel is not null)
|
||
{
|
||
LauncherFolderPanel.MaxWidth = Math.Max(320, pageWidth - 96);
|
||
LauncherFolderPanel.MaxHeight = Math.Max(220, pageHeight - 96);
|
||
}
|
||
|
||
// 更新启动台图标布局
|
||
UpdateLauncherTileLayout();
|
||
|
||
_desktopSurfacePageWidth = pageWidth;
|
||
ClampSurfaceIndex();
|
||
ApplyDesktopSurfaceOffset();
|
||
}
|
||
|
||
private void UpdateLauncherTileLayout()
|
||
{
|
||
if (LauncherRootTilePanel is null || LauncherPagePanel is null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
// 获取启动台面板的实际可用宽度（减去Padding）
|
||
var availableWidth = Math.Max(1, LauncherPagePanel.Bounds.Width - 36); // 18px padding on each side
|
||
var availableHeight = Math.Max(1, LauncherPagePanel.Bounds.Height - 100); // 预留标题空间
|
||
|
||
if (availableWidth <= 1 || availableHeight <= 1)
|
||
{
|
||
// 如果尺寸还未计算，使用默认值
|
||
availableWidth = 600;
|
||
availableHeight = 400;
|
||
}
|
||
|
||
// 计算最佳图标尺寸
|
||
// 目标：每行显示4-8个图标，根据屏幕宽度调整
|
||
const int minColumns = 4;
|
||
const int maxColumns = 8;
|
||
const double targetAspectRatio = 1.2; // 图标宽高比
|
||
|
||
// 计算每列可以显示的图标数量
|
||
var optimalColumnCount = Math.Clamp((int)Math.Floor(availableWidth / 120), minColumns, maxColumns);
|
||
|
||
// 根据列数计算图标尺寸
|
||
var tileWidth = Math.Floor(availableWidth / optimalColumnCount) - 12; // 12px spacing
|
||
var tileHeight = Math.Min(tileWidth / targetAspectRatio, availableHeight / 4); // 至少显示4行
|
||
|
||
// 确保最小尺寸
|
||
tileWidth = Math.Max(tileWidth, 100);
|
||
tileHeight = Math.Max(tileHeight, 80);
|
||
|
||
// 更新WrapPanel的Item尺寸
|
||
LauncherRootTilePanel.Width = availableWidth;
|
||
|
||
// 更新所有子元素的尺寸
|
||
foreach (var child in LauncherRootTilePanel.Children)
|
||
{
|
||
if (child is Button button)
|
||
{
|
||
button.Width = tileWidth;
|
||
button.Height = tileHeight;
|
||
}
|
||
}
|
||
|
||
// 同样更新文件夹视图的图标尺寸
|
||
if (LauncherFolderTilePanel is not null)
|
||
{
|
||
LauncherFolderTilePanel.Width = availableWidth;
|
||
foreach (var child in LauncherFolderTilePanel.Children)
|
||
{
|
||
if (child is Button button)
|
||
{
|
||
button.Width = tileWidth;
|
||
button.Height = tileHeight;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
private void ClampSurfaceIndex()
|
||
{
|
||
_currentDesktopSurfaceIndex = Math.Clamp(_currentDesktopSurfaceIndex, 0, LauncherSurfaceIndex);
|
||
}
|
||
|
||
private IBrush GetThemeBrush(string key)
|
||
{
|
||
if (Resources.TryGetResource(key, ActualThemeVariant, out var resource) && resource is IBrush brush)
|
||
{
|
||
return brush;
|
||
}
|
||
|
||
return Brushes.Transparent;
|
||
}
|
||
|
||
private void ApplyDesktopSurfaceOffset()
|
||
{
|
||
if (_desktopPagesHostTransform is null || _desktopSurfacePageWidth <= 0)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var targetOffset = -_currentDesktopSurfaceIndex * _desktopSurfacePageWidth;
|
||
_desktopPagesHostTransform.X = targetOffset;
|
||
|
||
if (_currentDesktopSurfaceIndex != LauncherSurfaceIndex)
|
||
{
|
||
CloseLauncherFolderOverlay();
|
||
}
|
||
}
|
||
|
||
private void MoveSurfaceBy(int delta)
|
||
{
|
||
if (delta == 0)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var target = Math.Clamp(_currentDesktopSurfaceIndex + delta, 0, LauncherSurfaceIndex);
|
||
if (target == _currentDesktopSurfaceIndex)
|
||
{
|
||
ApplyDesktopSurfaceOffset();
|
||
return;
|
||
}
|
||
|
||
_currentDesktopSurfaceIndex = target;
|
||
ApplyDesktopSurfaceOffset();
|
||
PersistSettings();
|
||
}
|
||
|
||
private bool CanSwipeDesktopSurface()
|
||
{
|
||
return !_isSettingsOpen && !_isDesktopComponentDragActive && _desktopSurfacePageWidth > 1;
|
||
}
|
||
|
||
private void OnDesktopPagesPointerPressed(object? sender, PointerPressedEventArgs e)
|
||
{
|
||
if (DesktopPagesViewport is null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
// 如果在组件编辑模式下点击空白区域，取消组件选中
|
||
if (_isComponentLibraryOpen && _selectedDesktopComponentHost is not null)
|
||
{
|
||
if (!IsInteractivePointerSource(e.Source))
|
||
{
|
||
ClearDesktopComponentSelection();
|
||
ApplyTaskbarActionVisibility(GetCurrentTaskbarContext());
|
||
}
|
||
}
|
||
|
||
if (!CanSwipeDesktopSurface())
|
||
{
|
||
return;
|
||
}
|
||
|
||
if (IsInteractivePointerSource(e.Source))
|
||
{
|
||
return;
|
||
}
|
||
|
||
if (!e.GetCurrentPoint(DesktopPagesViewport).Properties.IsLeftButtonPressed)
|
||
{
|
||
return;
|
||
}
|
||
|
||
_isDesktopSwipeActive = true;
|
||
_desktopSwipeStartPoint = e.GetPosition(DesktopPagesViewport);
|
||
_desktopSwipeCurrentPoint = _desktopSwipeStartPoint;
|
||
_desktopSwipeBaseOffset = -_currentDesktopSurfaceIndex * _desktopSurfacePageWidth;
|
||
e.Pointer.Capture(DesktopPagesViewport);
|
||
}
|
||
|
||
private static bool IsInteractivePointerSource(object? source)
|
||
{
|
||
if (source is not Visual visual)
|
||
{
|
||
return false;
|
||
}
|
||
|
||
foreach (var node in visual.GetSelfAndVisualAncestors())
|
||
{
|
||
if (node is Control control)
|
||
{
|
||
// Avoid swiping pages when interacting with desktop components/widgets.
|
||
if (control.Classes.Contains("desktop-component") ||
|
||
control.Classes.Contains("desktop-component-host"))
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
|
||
if (node is Button or TextBox or ComboBox or ListBoxItem or Slider or ToggleSwitch)
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
private void OnDesktopPagesPointerMoved(object? sender, PointerEventArgs e)
|
||
{
|
||
if (!_isDesktopSwipeActive || DesktopPagesViewport is null || _desktopPagesHostTransform is null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
_desktopSwipeCurrentPoint = e.GetPosition(DesktopPagesViewport);
|
||
var deltaX = _desktopSwipeCurrentPoint.X - _desktopSwipeStartPoint.X;
|
||
var minOffset = -LauncherSurfaceIndex * _desktopSurfacePageWidth;
|
||
var tentative = _desktopSwipeBaseOffset + deltaX;
|
||
_desktopPagesHostTransform.X = Math.Clamp(tentative, minOffset, 0);
|
||
e.Handled = true;
|
||
}
|
||
|
||
private void OnDesktopPagesPointerReleased(object? sender, PointerReleasedEventArgs e)
|
||
{
|
||
EndDesktopSwipeInteraction(e.Pointer);
|
||
}
|
||
|
||
private void OnDesktopPagesPointerCaptureLost(object? sender, PointerCaptureLostEventArgs e)
|
||
{
|
||
EndDesktopSwipeInteraction(e.Pointer);
|
||
}
|
||
|
||
private void EndDesktopSwipeInteraction(IPointer? pointer)
|
||
{
|
||
if (!_isDesktopSwipeActive)
|
||
{
|
||
return;
|
||
}
|
||
|
||
_isDesktopSwipeActive = false;
|
||
if (pointer?.Captured == DesktopPagesViewport)
|
||
{
|
||
pointer.Capture(null);
|
||
}
|
||
|
||
var deltaX = _desktopSwipeCurrentPoint.X - _desktopSwipeStartPoint.X;
|
||
var deltaY = _desktopSwipeCurrentPoint.Y - _desktopSwipeStartPoint.Y;
|
||
var threshold = Math.Max(56, _desktopSurfacePageWidth * 0.16);
|
||
if (Math.Abs(deltaX) >= threshold && Math.Abs(deltaX) > Math.Abs(deltaY))
|
||
{
|
||
MoveSurfaceBy(deltaX < 0 ? 1 : -1);
|
||
return;
|
||
}
|
||
|
||
ApplyDesktopSurfaceOffset();
|
||
}
|
||
|
||
private void OnDesktopPagesPointerWheelChanged(object? sender, PointerWheelEventArgs e)
|
||
{
|
||
if (!CanSwipeDesktopSurface())
|
||
{
|
||
return;
|
||
}
|
||
|
||
var prefersHorizontal = Math.Abs(e.Delta.X) > Math.Abs(e.Delta.Y) ||
|
||
e.KeyModifiers.HasFlag(KeyModifiers.Shift);
|
||
if (!prefersHorizontal)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var delta = e.Delta.X != 0 ? e.Delta.X : e.Delta.Y;
|
||
if (Math.Abs(delta) < double.Epsilon)
|
||
{
|
||
return;
|
||
}
|
||
|
||
MoveSurfaceBy(delta < 0 ? 1 : -1);
|
||
e.Handled = true;
|
||
}
|
||
|
||
private void RenderLauncherRootTiles()
|
||
{
|
||
if (LauncherRootTilePanel is null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
LauncherRootTilePanel.Children.Clear();
|
||
var folders = _startMenuRoot.Folders;
|
||
var apps = _startMenuRoot.Apps;
|
||
|
||
foreach (var folder in folders)
|
||
{
|
||
LauncherRootTilePanel.Children.Add(CreateLauncherFolderTile(folder));
|
||
}
|
||
|
||
foreach (var app in apps)
|
||
{
|
||
LauncherRootTilePanel.Children.Add(CreateLauncherAppTile(app));
|
||
}
|
||
|
||
if (LauncherRootTilePanel.Children.Count == 0)
|
||
{
|
||
LauncherRootTilePanel.Children.Add(CreateLauncherHintTile(
|
||
L("launcher.empty", "No Start Menu entries found."),
|
||
string.Empty));
|
||
}
|
||
|
||
// 在图标渲染完成后，应用布局计算
|
||
Dispatcher.UIThread.Post(() => UpdateLauncherTileLayout(), DispatcherPriority.Background);
|
||
}
|
||
|
||
private Button CreateLauncherFolderTile(StartMenuFolderNode folder)
|
||
{
|
||
var title = folder.Name;
|
||
var subtitle = Lf("launcher.folder_items_format", "{0} apps", folder.TotalAppCount);
|
||
var folderIconBitmap = GetLauncherFolderIconBitmap();
|
||
return CreateLauncherTileButton(
|
||
title,
|
||
subtitle,
|
||
monogram: "DIR",
|
||
iconBitmap: folderIconBitmap,
|
||
() => OpenLauncherFolder(folder));
|
||
}
|
||
|
||
private Button CreateLauncherAppTile(StartMenuAppEntry app)
|
||
{
|
||
var iconBitmap = GetLauncherIconBitmap(app);
|
||
var monogram = BuildMonogram(app.DisplayName);
|
||
return CreateLauncherTileButton(
|
||
app.DisplayName,
|
||
subtitle: string.Empty,
|
||
monogram,
|
||
iconBitmap,
|
||
() => LaunchStartMenuEntry(app));
|
||
}
|
||
|
||
private Control CreateLauncherHintTile(string title, string subtitle)
|
||
{
|
||
var panel = new StackPanel
|
||
{
|
||
Spacing = 6,
|
||
VerticalAlignment = VerticalAlignment.Center,
|
||
HorizontalAlignment = HorizontalAlignment.Center
|
||
};
|
||
panel.Children.Add(new TextBlock
|
||
{
|
||
Text = title,
|
||
FontWeight = FontWeight.SemiBold,
|
||
HorizontalAlignment = HorizontalAlignment.Center
|
||
});
|
||
if (!string.IsNullOrWhiteSpace(subtitle))
|
||
{
|
||
panel.Children.Add(new TextBlock
|
||
{
|
||
Text = subtitle,
|
||
Opacity = 0.75,
|
||
HorizontalAlignment = HorizontalAlignment.Center
|
||
});
|
||
}
|
||
|
||
return new Border
|
||
{
|
||
Classes = { "glass-panel" },
|
||
BorderThickness = new Thickness(0),
|
||
Margin = new Thickness(0, 0, 12, 12),
|
||
CornerRadius = new CornerRadius(20),
|
||
Child = panel
|
||
// 不设置固定 Width 和 Height，由 UpdateLauncherTileLayout 动态设置
|
||
};
|
||
}
|
||
|
||
private Button CreateLauncherTileButton(
|
||
string title,
|
||
string subtitle,
|
||
string monogram,
|
||
Bitmap? iconBitmap,
|
||
Action clickAction)
|
||
{
|
||
Control iconControl = iconBitmap is not null
|
||
? new Image
|
||
{
|
||
Source = iconBitmap,
|
||
Width = 40,
|
||
Height = 40,
|
||
Stretch = Stretch.Uniform
|
||
}
|
||
: new Border
|
||
{
|
||
Width = 40,
|
||
Height = 40,
|
||
CornerRadius = new CornerRadius(999),
|
||
Background = GetThemeBrush("AdaptiveButtonBackgroundBrush"),
|
||
HorizontalAlignment = HorizontalAlignment.Center,
|
||
VerticalAlignment = VerticalAlignment.Center,
|
||
BorderThickness = new Thickness(0),
|
||
Child = new TextBlock
|
||
{
|
||
Text = monogram,
|
||
FontWeight = FontWeight.Bold,
|
||
HorizontalAlignment = HorizontalAlignment.Center,
|
||
VerticalAlignment = VerticalAlignment.Center
|
||
}
|
||
};
|
||
|
||
var textPanel = new StackPanel
|
||
{
|
||
Spacing = 3,
|
||
VerticalAlignment = VerticalAlignment.Center,
|
||
HorizontalAlignment = HorizontalAlignment.Stretch
|
||
};
|
||
textPanel.Children.Add(new TextBlock
|
||
{
|
||
Text = title,
|
||
TextTrimming = TextTrimming.CharacterEllipsis,
|
||
MaxLines = 2,
|
||
TextAlignment = TextAlignment.Center,
|
||
HorizontalAlignment = HorizontalAlignment.Stretch
|
||
});
|
||
|
||
if (!string.IsNullOrWhiteSpace(subtitle))
|
||
{
|
||
textPanel.Children.Add(new TextBlock
|
||
{
|
||
Text = subtitle,
|
||
Opacity = 0.72,
|
||
TextTrimming = TextTrimming.CharacterEllipsis,
|
||
TextAlignment = TextAlignment.Center,
|
||
HorizontalAlignment = HorizontalAlignment.Stretch
|
||
});
|
||
}
|
||
|
||
var content = new StackPanel
|
||
{
|
||
Spacing = 8,
|
||
VerticalAlignment = VerticalAlignment.Center
|
||
};
|
||
content.Children.Add(iconControl);
|
||
content.Children.Add(textPanel);
|
||
|
||
var button = new Button
|
||
{
|
||
Classes = { "glass-panel" },
|
||
Margin = new Thickness(0, 0, 12, 12),
|
||
BorderThickness = new Thickness(0),
|
||
CornerRadius = new CornerRadius(20),
|
||
Padding = new Thickness(10),
|
||
Content = content
|
||
// 不设置固定 Width 和 Height，由 UpdateLauncherTileLayout 动态设置
|
||
};
|
||
button.Click += (_, _) => clickAction();
|
||
return button;
|
||
}
|
||
|
||
private Bitmap? GetLauncherIconBitmap(StartMenuAppEntry app)
|
||
{
|
||
if (app.IconPngBytes is null || app.IconPngBytes.Length == 0)
|
||
{
|
||
return null;
|
||
}
|
||
|
||
if (_launcherIconCache.TryGetValue(app.RelativePath, out var cached))
|
||
{
|
||
return cached;
|
||
}
|
||
|
||
try
|
||
{
|
||
using var stream = new MemoryStream(app.IconPngBytes, writable: false);
|
||
var bitmap = new Bitmap(stream);
|
||
_launcherIconCache[app.RelativePath] = bitmap;
|
||
return bitmap;
|
||
}
|
||
catch
|
||
{
|
||
return null;
|
||
}
|
||
}
|
||
|
||
private Bitmap? GetLauncherFolderIconBitmap()
|
||
{
|
||
if (_launcherFolderIconBitmap is not null)
|
||
{
|
||
return _launcherFolderIconBitmap;
|
||
}
|
||
|
||
if (_launcherFolderIconPngBytes is null || _launcherFolderIconPngBytes.Length == 0)
|
||
{
|
||
return null;
|
||
}
|
||
|
||
try
|
||
{
|
||
using var stream = new MemoryStream(_launcherFolderIconPngBytes, writable: false);
|
||
_launcherFolderIconBitmap = new Bitmap(stream);
|
||
return _launcherFolderIconBitmap;
|
||
}
|
||
catch
|
||
{
|
||
_launcherFolderIconBitmap = null;
|
||
return null;
|
||
}
|
||
}
|
||
|
||
private void OpenLauncherFolder(StartMenuFolderNode folder)
|
||
{
|
||
_launcherFolderStack.Push(folder);
|
||
RenderLauncherFolderFromStack();
|
||
}
|
||
|
||
private void CloseLauncherFolderOverlay()
|
||
{
|
||
_launcherFolderStack.Clear();
|
||
if (LauncherFolderOverlay is not null)
|
||
{
|
||
LauncherFolderOverlay.IsVisible = false;
|
||
}
|
||
|
||
if (LauncherFolderTilePanel is not null)
|
||
{
|
||
LauncherFolderTilePanel.Children.Clear();
|
||
}
|
||
}
|
||
|
||
private void RenderLauncherFolderFromStack()
|
||
{
|
||
if (LauncherFolderOverlay is null ||
|
||
LauncherFolderTilePanel is null ||
|
||
LauncherFolderTitleTextBlock is null ||
|
||
LauncherFolderBackButton is null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
if (_launcherFolderStack.Count == 0)
|
||
{
|
||
CloseLauncherFolderOverlay();
|
||
return;
|
||
}
|
||
|
||
var folder = _launcherFolderStack.Peek();
|
||
LauncherFolderOverlay.IsVisible = true;
|
||
LauncherFolderTitleTextBlock.Text = folder.Name;
|
||
LauncherFolderBackButton.IsVisible = _launcherFolderStack.Count > 1;
|
||
|
||
LauncherFolderTilePanel.Children.Clear();
|
||
foreach (var subFolder in folder.Folders)
|
||
{
|
||
LauncherFolderTilePanel.Children.Add(CreateLauncherFolderTile(subFolder));
|
||
}
|
||
|
||
foreach (var app in folder.Apps)
|
||
{
|
||
LauncherFolderTilePanel.Children.Add(CreateLauncherAppTile(app));
|
||
}
|
||
|
||
if (LauncherFolderTilePanel.Children.Count == 0)
|
||
{
|
||
LauncherFolderTilePanel.Children.Add(CreateLauncherHintTile(
|
||
L("launcher.empty_folder", "This folder is empty."),
|
||
string.Empty));
|
||
}
|
||
|
||
// 在图标渲染完成后，应用布局计算
|
||
Dispatcher.UIThread.Post(() => UpdateLauncherTileLayout(), DispatcherPriority.Background);
|
||
}
|
||
|
||
private static string BuildMonogram(string text)
|
||
{
|
||
if (string.IsNullOrWhiteSpace(text))
|
||
{
|
||
return "?";
|
||
}
|
||
|
||
var letters = text
|
||
.Trim()
|
||
.Split(' ', StringSplitOptions.RemoveEmptyEntries)
|
||
.Select(part => part[0])
|
||
.Take(2)
|
||
.ToArray();
|
||
if (letters.Length == 0)
|
||
{
|
||
return "?";
|
||
}
|
||
|
||
return new string(letters).ToUpperInvariant();
|
||
}
|
||
|
||
private static void LaunchStartMenuEntry(StartMenuAppEntry app)
|
||
{
|
||
try
|
||
{
|
||
var startInfo = new ProcessStartInfo
|
||
{
|
||
FileName = app.FilePath,
|
||
UseShellExecute = true
|
||
};
|
||
Process.Start(startInfo);
|
||
}
|
||
catch
|
||
{
|
||
// Ignore failures to launch malformed shortcuts.
|
||
}
|
||
}
|
||
|
||
private void OnLauncherFolderBackClick(object? sender, RoutedEventArgs e)
|
||
{
|
||
if (_launcherFolderStack.Count <= 1)
|
||
{
|
||
CloseLauncherFolderOverlay();
|
||
return;
|
||
}
|
||
|
||
_launcherFolderStack.Pop();
|
||
RenderLauncherFolderFromStack();
|
||
}
|
||
|
||
private void OnLauncherFolderOverlayPointerPressed(object? sender, PointerPressedEventArgs e)
|
||
{
|
||
if (LauncherFolderPanel is null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var point = e.GetCurrentPoint(LauncherFolderPanel).Position;
|
||
if (point.X >= 0 &&
|
||
point.Y >= 0 &&
|
||
point.X <= LauncherFolderPanel.Bounds.Width &&
|
||
point.Y <= LauncherFolderPanel.Bounds.Height)
|
||
{
|
||
return;
|
||
}
|
||
|
||
CloseLauncherFolderOverlay();
|
||
e.Handled = true;
|
||
}
|
||
|
||
private void OnLauncherFolderCloseClick(object? sender, RoutedEventArgs e)
|
||
{
|
||
CloseLauncherFolderOverlay();
|
||
}
|
||
|
||
private void DisposeLauncherResources()
|
||
{
|
||
foreach (var bitmap in _launcherIconCache.Values)
|
||
{
|
||
bitmap.Dispose();
|
||
}
|
||
|
||
_launcherIconCache.Clear();
|
||
_launcherFolderIconBitmap?.Dispose();
|
||
_launcherFolderIconBitmap = null;
|
||
}
|
||
}
|