Skip to content

ux: 标签栏拖动增加视觉反馈 show feedback while dragging repository tabs #2773

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
VirgilMing wants to merge 1 commit into
base: develop
Choose a base branch
from
+186 −4
Open

ux: 标签栏拖动增加视觉反馈 show feedback while dragging repository tabs #2773

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 17 additions & 3 deletions src/Views/LauncherTabBar.axaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,11 @@
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
x:Class="SourceGit.Views.LauncherTabBar"
x:DataType="vm:Launcher"
x:Name="ThisControl">
x:Name="ThisControl"
DragDrop.AllowDrop="True"
DragDrop.DragEnter="DragOverTabs"
DragDrop.DragOver="DragOverTabs"
DragDrop.DragLeave="DragLeaveTabs">
<Grid ColumnDefinitions="Auto,*,Auto">
<RepeatButton Grid.Column="0"
Classes="icon_button"
Expand All @@ -36,6 +40,16 @@
SelectionChanged="OnTabsSelectionChanged"
LayoutUpdated="OnTabsLayoutUpdated">
<ListBox.Styles>
<Style Selector="Border.launcher_tab">
<Setter Property="Background" Value="Transparent"/>
</Style>
<Style Selector="Border.tab_drag_source">
<Setter Property="Opacity" Value="0.45"/>
</Style>
<Style Selector="Border.tab_drop_target">
<Setter Property="Background" Value="{DynamicResource Brush.AccentHovered}"/>
<Setter Property="CornerRadius" Value="4"/>
</Style>
<Style Selector="ListBoxItem">
<Setter Property="Padding" Value="0"/>
</Style>
Expand All @@ -61,9 +75,9 @@

<ListBox.ItemTemplate>
<DataTemplate DataType="vm:LauncherPage">
<v:LauncherTabSizeBox UseFixedWidth="{Binding Source={x:Static vm:Preferences.Instance}, Path=UseFixedTabWidth}" Height="30"
<v:LauncherTabSizeBox Classes="launcher_tab"
UseFixedWidth="{Binding Source={x:Static vm:Preferences.Instance}, Path=UseFixedTabWidth}" Height="30"
Padding="0,2,0,0"
Background="Transparent"
PointerPressed="OnPointerPressedTab"
PointerMoved="OnPointerMovedOverTab"
PointerReleased="OnPointerReleasedTab"
Expand Down
170 changes: 169 additions & 1 deletion src/Views/LauncherTabBar.axaml.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,12 +1,16 @@
using System;
using System.IO;
using System.Linq;

using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Layout;
using Avalonia.Media;
using Avalonia.Styling;
using Avalonia.VisualTree;

namespace SourceGit.Views
{
Expand Down Expand Up @@ -254,11 +258,167 @@ private async void OnPointerMovedOverTab(object sender, PointerEventArgs e)

var data = new DataTransfer();
data.Add(DataTransferItem.Create(_dndMainTabFormat, page.Node.Id));
await DragDrop.DoDragDropAsync(_pressedTabEvent, data, DragDropEffects.Move);
try
{
BeginDragFeedback(border, page);
await DragDrop.DoDragDropAsync(_pressedTabEvent, data, DragDropEffects.Move);
}
finally
{
ClearDragFeedback();
_pressedTabEvent = null;
_startDragTab = false;
}
}
e.Handled = true;
}

private void BeginDragFeedback(Border source, ViewModels.LauncherPage page)
{
_draggedPage = page;
_dragSource = source;
_dragLayer = AdornerLayer.GetAdornerLayer(this);
if (_dragLayer != null)
{
var size = source.Bounds.Size;
var text = source.GetVisualDescendants().OfType<TextBlock>().FirstOrDefault(t => t.IsEffectivelyVisible);
var icon = page.Node.IsRepository
? (Control)new Bookmark { Value = page.Node.Bookmark }
: new Avalonia.Controls.Shapes.Path
{
Data = this.FindResource("Icons.Repositories") as Geometry,
Fill = this.FindResource("Brush.FG1") as IBrush
};
icon.Width = 12;
icon.Height = 12;
icon.Margin = new Thickness(0, 0, 8, 0);
var content = new Grid
{
ColumnDefinitions = new ColumnDefinitions("Auto,*"),
Margin = new Thickness(12, 0),
VerticalAlignment = VerticalAlignment.Center
};
content.Children.Add(icon);
var title = new TextBlock
{
Text = page.Node.IsRepository ? page.Node.Name : App.Text("PageTabBar.Welcome.Title"),
FontFamily = text?.FontFamily ?? FontFamily.Default,
FontSize = text?.FontSize ?? 12,
Foreground = this.FindResource("Brush.FG1") as IBrush,
TextTrimming = TextTrimming.CharacterEllipsis,
VerticalAlignment = VerticalAlignment.Center
};
Grid.SetColumn(title, 1);
content.Children.Add(title);
_dragPreview = new Border
{
Width = size.Width,
Height = size.Height,
Background = this.FindResource("Brush.ToolBar") as IBrush,
BorderBrush = this.FindResource("Brush.Border0") as IBrush,
BorderThickness = new Thickness(1),
CornerRadius = new CornerRadius(4),
Opacity = 0.85,
IsVisible = false,
ClipToBounds = true,
Child = content
};
_dropIndicator = new Border
{
Width = 3,
Height = Math.Max(0, size.Height - 4),
Background = this.FindResource("Brush.Accent") as IBrush,
IsVisible = false
};
_dragOverlay = new Canvas { IsHitTestVisible = false };
_dragOverlay.Children.Add(_dropIndicator);
_dragOverlay.Children.Add(_dragPreview);
AdornerLayer.SetAdornedElement(_dragOverlay, this);
AdornerLayer.SetIsClipEnabled(_dragOverlay, false);
_dragLayer.Children.Add(_dragOverlay);
}
source.Classes.Add("tab_drag_source");
}

private void DragOverTabs(object sender, DragEventArgs e)
{
if (_draggedPage == null || DataContext is not ViewModels.Launcher launcher)
return;

var point = e.GetPosition(this);
if (_dragPreview != null)
{
Canvas.SetLeft(_dragPreview, point.X + 12);
Canvas.SetTop(_dragPreview, point.Y + 12);
_dragPreview.IsVisible = true;
}

ClearDropTarget();
e.DragEffects = DragDropEffects.None;
var fromIndex = launcher.Pages.IndexOf(_draggedPage);
if (fromIndex < 0 || !new Rect(LauncherTabsScroller.Bounds.Size).Contains(e.GetPosition(LauncherTabsScroller)))
return;

for (var i = 0; i < LauncherTabsList.ItemCount; i++)
{
var container = LauncherTabsList.ContainerFromIndex(i);
var tab = container?.GetVisualDescendants().OfType<LauncherTabSizeBox>().FirstOrDefault();
if (tab == null || i == fromIndex)
continue;

var position = e.GetPosition(tab);
if (!new Rect(tab.Bounds.Size).Contains(position))
continue;

_dropTarget = tab;
tab.Classes.Add("tab_drop_target");
e.DragEffects = DragDropEffects.Move;
if (_dropIndicator != null && tab.TranslatePoint(new Point(i > fromIndex ? tab.Bounds.Width : 0, 2), this) is { } edge)
{
Canvas.SetLeft(_dropIndicator, edge.X - 1.5);
Canvas.SetTop(_dropIndicator, edge.Y);
_dropIndicator.IsVisible = true;
}
break;
}
e.Handled = true;
}

private void DragLeaveTabs(object sender, DragEventArgs e)
{
ClearDropTarget();
if (_dragPreview != null)
_dragPreview.IsVisible = false;
}

private void ClearDropTarget()
{
_dropTarget?.Classes.Remove("tab_drop_target");
_dropTarget = null;
if (_dropIndicator != null)
_dropIndicator.IsVisible = false;
}

private void ClearDragFeedback()
{
ClearDropTarget();
_dragSource?.Classes.Remove("tab_drag_source");
if (_dragOverlay != null)
_dragLayer?.Children.Remove(_dragOverlay);
_draggedPage = null;
_dragSource = null;
_dragOverlay = null;
_dragPreview = null;
_dropIndicator = null;
_dragLayer = null;
}

protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
{
ClearDragFeedback();
base.OnDetachedFromVisualTree(e);
}

private void DropTab(object sender, DragEventArgs e)
{
if (e.DataTransfer.TryGetValue(_dndMainTabFormat) is not { Length: > 0 } id)
Expand Down Expand Up @@ -286,6 +446,7 @@ private void DropTab(object sender, DragEventArgs e)
if (target == to)
return;

ClearDragFeedback();
launcher.MoveTab(target, to);

_pressedTabEvent = null;
Expand Down Expand Up @@ -427,6 +588,13 @@ private void OnCloseTab(object sender, RoutedEventArgs e)
private readonly Vector _scrollStep = new(64, 0);
private PointerPressedEventArgs _pressedTabEvent = null;
private bool _startDragTab = false;
private ViewModels.LauncherPage _draggedPage;
private Border _dragSource;
private LauncherTabSizeBox _dropTarget;
private AdornerLayer _dragLayer;
private Canvas _dragOverlay;
private Border _dragPreview;
private Border _dropIndicator;
private readonly DataFormat<string> _dndMainTabFormat = DataFormat.CreateStringApplicationFormat("sourcegit-dnd-main-tab");
}
}