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[PTRun] Drag and drop files (#22409)

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* [PTRun] Support drag&drop to other application for files in result list

* [PTRun] use file/folder thumbnail as drag image

* (fix spellcheck)

* [PTRun] use _mouseDownResultViewModel.Image to generate the drag image

* fix spelling + refactoring
This commit is contained in:
Daniel Richter
2022-12-09 14:01:44 +01:00
committed by GitHub
parent bb92b03156
commit 08d569ccf6
12 changed files with 184 additions and 16 deletions
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51
src/modules/launcher/PowerLauncher/MainWindow.xaml.cs
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@@ -4,6 +4,7 @@
using System;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reactive.Linq;
using System.Runtime.InteropServices;
@@ -12,6 +13,7 @@ using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Media.Imaging;
using Common.UI;
using interop;
using Microsoft.PowerLauncher.Telemetry;
@@ -21,7 +23,10 @@ using PowerLauncher.Plugin;
using PowerLauncher.Telemetry.Events;
using PowerLauncher.ViewModel;
using Wox.Infrastructure.UserSettings;
using Wox.Plugin;
using Wox.Plugin.Interfaces;
using CancellationToken = System.Threading.CancellationToken;
using Image = Wox.Infrastructure.Image;
using KeyEventArgs = System.Windows.Input.KeyEventArgs;
using Log = Wox.Plugin.Logger.Log;
using Screen = System.Windows.Forms.Screen;
@@ -40,6 +45,8 @@ namespace PowerLauncher
private bool _coldStateHotkeyPressed;
private bool _disposedValue;
private IDisposable _reactiveSubscription;
private Point _mouseDownPosition;
private ResultViewModel _mouseDownResultViewModel;
public MainWindow(PowerToysRunSettings settings, MainViewModel mainVM, CancellationToken nativeWaiterCancelToken)
: this()
@@ -191,6 +198,8 @@ namespace PowerLauncher
ListBox.DataContext = _viewModel;
ListBox.SuggestionsList.SelectionChanged += SuggestionsList_SelectionChanged;
ListBox.SuggestionsList.PreviewMouseLeftButtonUp += SuggestionsList_PreviewMouseLeftButtonUp;
ListBox.SuggestionsList.PreviewMouseLeftButtonDown += SuggestionsList_PreviewMouseLeftButtonDown;
ListBox.SuggestionsList.MouseMove += SuggestionsList_MouseMove;
_viewModel.PropertyChanged += ViewModel_PropertyChanged;
_viewModel.MainWindowVisibility = Visibility.Collapsed;
_viewModel.LoadedAtLeastOnce = true;
@@ -282,6 +291,48 @@ namespace PowerLauncher
}
}
private void SuggestionsList_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
_mouseDownPosition = e.GetPosition(null);
_mouseDownResultViewModel = ((FrameworkElement)e.OriginalSource).DataContext as ResultViewModel;
}
private void SuggestionsList_MouseMove(object sender, MouseEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed && _mouseDownResultViewModel?.Result?.ContextData is IFileDropResult fileDropResult)
{
Vector dragDistance = _mouseDownPosition - e.GetPosition(null);
if (Math.Abs(dragDistance.X) > SystemParameters.MinimumHorizontalDragDistance || Math.Abs(dragDistance.Y) > SystemParameters.MinimumVerticalDragDistance)
{
_viewModel.Hide();
try
{
// DoDragDrop with file thumbnail as drag image
var dataObject = DragDataObject.FromFile(fileDropResult.Path);
using var bitmap = DragDataObject.BitmapSourceToBitmap((BitmapSource)_mouseDownResultViewModel?.Image);
IntPtr hBitmap = bitmap.GetHbitmap();
try
{
dataObject.SetDragImage(hBitmap, Constant.ThumbnailSize, Constant.ThumbnailSize);
DragDrop.DoDragDrop(ListBox.SuggestionsList, dataObject, DragDropEffects.Copy);
}
finally
{
Image.NativeMethods.DeleteObject(hBitmap);
}
}
catch
{
// DoDragDrop without drag image
IDataObject dataObject = new DataObject(DataFormats.FileDrop, new[] { fileDropResult.Path });
DragDrop.DoDragDrop(ListBox.SuggestionsList, dataObject, DragDropEffects.Copy);
}
}
}
}
private void ViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof(MainViewModel.MainWindowVisibility))