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refactor: rewrite Launcher

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* move main tabbar to a standalone control
* simpfy notification
This commit is contained in:
leo 2024-06-26 20:56:29 +08:00
parent 1ce0d0f7bf
commit e330862ec9
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8 changed files with 406 additions and 349 deletions
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148
src/Views/LauncherTabBar.axaml.cs Normal file
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using System;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Interactivity;
namespace SourceGit.Views
{
public partial class LauncherTabBar : UserControl
{
public LauncherTabBar()
{
InitializeComponent();
}
private void ScrollTabs(object sender, PointerWheelEventArgs e)
{
if (!e.KeyModifiers.HasFlag(KeyModifiers.Shift))
{
if (e.Delta.Y < 0)
LauncherTabsScroller.LineRight();
else if (e.Delta.Y > 0)
LauncherTabsScroller.LineLeft();
e.Handled = true;
}
}
private void ScrollTabsLeft(object sender, RoutedEventArgs e)
{
LauncherTabsScroller.LineLeft();
e.Handled = true;
}
private void ScrollTabsRight(object sender, RoutedEventArgs e)
{
LauncherTabsScroller.LineRight();
e.Handled = true;
}
private void OnTabsLayoutUpdated(object sender, EventArgs e)
{
if (LauncherTabsScroller.Extent.Width > LauncherTabsScroller.Viewport.Width)
{
LeftScrollIndicator.IsVisible = true;
LeftScrollIndicator.IsEnabled = LauncherTabsScroller.Offset.X > 0;
RightScrollIndicator.IsVisible = true;
RightScrollIndicator.IsEnabled = LauncherTabsScroller.Offset.X < LauncherTabsScroller.Extent.Width - LauncherTabsScroller.Viewport.Width;
}
else
{
LeftScrollIndicator.IsVisible = false;
RightScrollIndicator.IsVisible = false;
}
}
private void SetupDragAndDrop(object sender, RoutedEventArgs e)
{
if (sender is Border border)
{
DragDrop.SetAllowDrop(border, true);
border.AddHandler(DragDrop.DropEvent, DropTab);
}
e.Handled = true;
}
private void OnPointerPressedTab(object sender, PointerPressedEventArgs e)
{
var border = sender as Border;
var point = e.GetCurrentPoint(border);
if (point.Properties.IsMiddleButtonPressed)
{
var vm = DataContext as ViewModels.Launcher;
vm.CloseTab(border.DataContext as ViewModels.LauncherPage);
e.Handled = true;
return;
}
_pressedTab = true;
_startDragTab = false;
_pressedTabPosition = e.GetPosition(sender as Border);
}
private void OnPointerReleasedTab(object sender, PointerReleasedEventArgs e)
{
_pressedTab = false;
_startDragTab = false;
}
private void OnPointerMovedOverTab(object sender, PointerEventArgs e)
{
if (_pressedTab && !_startDragTab && sender is Border border)
{
var delta = e.GetPosition(border) - _pressedTabPosition;
var sizeSquired = delta.X * delta.X + delta.Y * delta.Y;
if (sizeSquired < 64)
return;
_startDragTab = true;
var data = new DataObject();
data.Set("MovedTab", border.DataContext);
DragDrop.DoDragDrop(e, data, DragDropEffects.Move);
}
e.Handled = true;
}
private void DropTab(object sender, DragEventArgs e)
{
if (e.Data.Contains("MovedTab") && sender is Border border)
{
var to = border.DataContext as ViewModels.LauncherPage;
var moved = e.Data.Get("MovedTab") as ViewModels.LauncherPage;
if (to != null && moved != null && to != moved && DataContext is ViewModels.Launcher vm)
{
vm.MoveTab(moved, to);
}
}
_pressedTab = false;
_startDragTab = false;
e.Handled = true;
}
private void OnTabContextRequested(object sender, ContextRequestedEventArgs e)
{
if (sender is Border border && DataContext is ViewModels.Launcher vm)
{
var menu = vm.CreateContextForPageTab(border.DataContext as ViewModels.LauncherPage);
border.OpenContextMenu(menu);
}
e.Handled = true;
}
private void OnCloseTab(object sender, RoutedEventArgs e)
{
if (sender is Button btn && DataContext is ViewModels.Launcher vm)
vm.CloseTab(btn.DataContext as ViewModels.LauncherPage);
e.Handled = true;
}
private bool _pressedTab = false;
private Point _pressedTabPosition = new Point();
private bool _startDragTab = false;
}
}