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Refactored DragDrop

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This commit is contained in:
Simon Lübeß
2025-06-26 22:35:38 +02:00
parent 5fb8401a1a
commit 2cc8889ac1
6 changed files with 155 additions and 68 deletions
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GlitchyEditor/src/EditorLayer.bf
+21 -47
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@@ -1,4 +1,5 @@
using System;
using System.Linq;
using ImGui;
using GlitchyEngine;
using GlitchyEditor.EditWindows;
@@ -116,45 +117,6 @@ namespace GlitchyEditor
private bool _showImguiDemoWindow;
#endif
/// Registers a drag'n'drop target that will fire corresponding DragDropEvent using the engine's event system.
class GlobalDragDropTarget : IDropTargetImplBase
{
public override Result<DropEffect> OnDragEnter(int2 cursorPosition)
{
DragDropEvent event = scope DragDropEvent(.Enter, cursorPosition);
Application.Instance.OnEvent(event);
return event.OutDropEffect;
}
public override Result<DropEffect> OnDragOver(int2 cursorPosition)
{
DragDropEvent event = scope DragDropEvent(.Over, cursorPosition);
Application.Instance.OnEvent(event);
return event.OutDropEffect;
}
public override Result<void> OnDragLeave()
{
DragDropEvent event = scope DragDropEvent(.Leave, .(-1, -1));
Application.Instance.OnEvent(event);
return .Ok;
}
public override Result<DropEffect> OnDrop(int2 cursorPosition, List<String> fileNames)
{
DragDropEvent event = scope DragDropEvent(.Drop, cursorPosition);
event.FileNames = fileNames;
Application.Instance.OnEvent(event);
return event.OutDropEffect;
}
}
private GlobalDragDropTarget _dragDropTarget ~
{
_.Unregister();
_?.ReleaseRef();
}
[AllowAppend]
public this(String[] args, EditorContentManager contentManager) : base("Editor")
{
@@ -165,9 +127,6 @@ namespace GlitchyEditor
// TODO: Das muss weg
_layer = this;
_dragDropTarget = new .();
_dragDropTarget.Register();
_contentManager = contentManager;
InitGraphics();
@@ -1709,7 +1668,7 @@ namespace GlitchyEditor
{
if (_layer._isDraggingFromOutside == .None)
{
Log.EngineLogger.Warning("Setting drop effect, eventhou the user is currently not dragging.");
Log.EngineLogger.Warning("Setting drop effect, even though the user is currently not dragging.");
}
_layer._effectWhenDropping = effect;
@@ -1722,7 +1681,7 @@ namespace GlitchyEditor
ImGui.GetIO().MousePos = .(e.CursorPosition.X, e.CursorPosition.Y);
}
if (e.FileNames == null)
if (e.FileNames.IsEmpty)
{
DeleteContainerAndItems!(_droppedFiles);
_droppedFiles = null;
@@ -1734,12 +1693,27 @@ namespace GlitchyEditor
_droppedFiles = new List<String>();
}
for (String fileName in e.FileNames)
int firstIndexToRemove = 0;
for (StringView filePath in e.FileNames)
{
if (!_droppedFiles.Contains(fileName, .Ordinal))
int index = _droppedFiles.IndexOfAlt(filePath);
if (index == -1)
{
_droppedFiles.Add(new String(fileName));
index = _droppedFiles.Count;
_droppedFiles.Add(new String(filePath));
}
// Make sure, all paths that are in e.FileNames are before firstIndexToRemove
Swap!(_droppedFiles[firstIndexToRemove], _droppedFiles[index]);
firstIndexToRemove++;
}
// Remove all paths beyond firstIndexToRemove
for (int i = _droppedFiles.Count; i > firstIndexToRemove; i--)
{
delete _droppedFiles.PopBack();
}
}