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Support for file dragging in workspace panel

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This commit is contained in:
Brian Fiete 2021-01-03 11:51:53 -08:00
parent f928b93644
commit f6174aade2
8 changed files with 385 additions and 95 deletions
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11
BeefLibs/Beefy2D/src/events/DragEvent.bf
View file

@ -4,12 +4,19 @@ using System.Text;
namespace Beefy.events
{
public enum DragKind
{
None,
Inside,
Before,
After
}
public class DragEvent : Event
{
public float mX;
public float mY;
public Object mDragTarget;
public int32 mDragTargetDir;
public bool mDragAllowed = true;
public DragKind mDragKind = .Inside;
}
}

112
BeefLibs/Beefy2D/src/theme/dark/DarkListView.bf
View file

@ -101,7 +101,7 @@ namespace Beefy.theme.dark
public DragEvent mCurDragEvent ~ delete _;
public DragHelper mDragHelper ~ delete _;
public DarkListViewItem mDragTarget;
public int32 mDragTargetInsertDir;
public DragKind mDragKind;
public bool mOpenOnDoubleClick = true;
public bool mIsBold;
@ -174,6 +174,14 @@ namespace Beefy.theme.dark
}
}
public override bool IsDragging
{
get
{
return (mDragTarget != null) && (mDragHelper.mIsDragging);
}
}
public this()
{
@ -596,8 +604,52 @@ namespace Beefy.theme.dark
DrawLinesGrid(g);
DrawChildren(g);
if (mDragTarget != null)
if (mDragTarget != null)
{
listView.mOnPostDraw.Add(new (g) =>
{
float targetX;
float targetY;
mDragTarget.SelfToOtherTranslate(mListView, 0, 0, out targetX, out targetY);
//using (g.PushTranslate(targetX, targetY))
{
/*if ((mUpdateCnt % 60) == 0)
Debug.WriteLine(String.Format("{0} indent {1}", mDragTarget.mLabel, mDragTarget.mDepth));*/
if (mDragKind == .Inside)
{
using (g.PushColor(0xFF6f9761))
{
//g.FillRect(targetX + GS!(4), targetY, mListView.mWidth - targetX - GS!(28), GS!(22));
//g.OutlineRect(targetX + GS!(4), targetY, mListView.mWidth - targetX - GS!(28), GS!(20));
g.DrawButton(DarkTheme.sDarkTheme.GetImage(Focused ? DarkTheme.ImageIdx.MenuSelect : DarkTheme.ImageIdx.MenuNonFocusSelect),
targetX + GS!(2), targetY, listView.mWidth - targetX - GS!(24));
}
}
else
{
if ((mDragKind == .Inside) || (mDragKind == .After)) // Inside or after
targetY += mDragTarget.mSelfHeight;
if (mDragKind == .After) // After
targetY += mDragTarget.mChildAreaHeight + mDragTarget.mBottomPadding;
if (mDragKind == .Inside) // Inside
targetX += ((DarkListView)mListView).mChildIndent + mDragTarget.mChildIndent;
/*if (-curY + targetY > mHeight)
wasTargetBelowBottom = true;*/
using (g.PushColor(0xFF95A68F))
g.FillRect(targetX + GS!(4), targetY, mListView.mWidth - targetX - GS!(28), GS!(2));
}
}
});
}
/*if (mDragTarget != null)
{
float targetX;
float targetY;
@ -614,20 +666,28 @@ namespace Beefy.theme.dark
/*if ((mUpdateCnt % 60) == 0)
Debug.WriteLine(String.Format("{0} indent {1}", mDragTarget.mLabel, mDragTarget.mDepth));*/
if (mDragTargetInsertDir >= 0) // Inside or after
targetY += mDragTarget.mSelfHeight;
if (mDragTargetInsertDir > 0) // After
targetY += mDragTarget.mChildAreaHeight + mDragTarget.mBottomPadding;
if (mDragKind == .Inside)
{
using (g.PushColor(0xFF95A68F))
g.FillRect(targetX + GS!(4), targetY, mListView.mWidth - targetX - GS!(28), GS!(22));
}
else
{
if ((mDragKind == .Inside) || (mDragKind == .After)) // Inside or after
targetY += mDragTarget.mSelfHeight;
if (mDragKind == .After) // After
targetY += mDragTarget.mChildAreaHeight + mDragTarget.mBottomPadding;
if (mDragTargetInsertDir == 0) // Inside
targetX += ((DarkListView)mListView).mChildIndent + mDragTarget.mChildIndent;
if (mDragKind == .Inside) // Inside
targetX += ((DarkListView)mListView).mChildIndent + mDragTarget.mChildIndent;
if (-curY + targetY > mHeight)
wasTargetBelowBottom = true;
if (-curY + targetY > mHeight)
wasTargetBelowBottom = true;
using (g.PushColor(0xFF95A68F))
g.FillRect(targetX + 4, targetY, mListView.mWidth - targetX - 28, 2);
using (g.PushColor(0xFF95A68F))
g.FillRect(targetX + GS!(4), targetY, mListView.mWidth - targetX - GS!(28), GS!(2));
}
}
if (wasTargetBelowBottom)
@ -635,7 +695,7 @@ namespace Beefy.theme.dark
/*Image img = DarkTheme.sDarkTheme.GetImage(DarkTheme.ImageIdx.MoveDownArrow);
g.Draw(img, mWidth / 2 - img.mWidth / 2, mHeight - img.mHeight);*/
}
}
}*/
}
public override bool Open(bool open, bool immediate = false)
@ -662,7 +722,7 @@ namespace Beefy.theme.dark
e.mSender = GetMainItem();
e.mDragTarget = mDragTarget;
if (mDragHelper.mAborted)
e.mDragAllowed = false;
e.mDragKind = .None;
if (listView.mOnDragEnd.HasListeners)
listView.mOnDragEnd(e);
}
@ -723,12 +783,12 @@ namespace Beefy.theme.dark
float yOfs = aY - childY;
if (yOfs < mHeight / 2)
mDragTargetInsertDir = -1;
mDragKind = .Before;
else
{
mDragTargetInsertDir = 1;
mDragKind = .After;
if ((listViewItem.mOpenButton != null) && (listViewItem.mOpenButton.mIsOpen))
mDragTargetInsertDir = 0;
mDragKind = .None;
}
delete mCurDragEvent;
@ -737,12 +797,12 @@ namespace Beefy.theme.dark
mCurDragEvent.mY = y;
mCurDragEvent.mSender = head;
mCurDragEvent.mDragTarget = foundWidget;
mCurDragEvent.mDragTargetDir = mDragTargetInsertDir;
mCurDragEvent.mDragKind = mDragKind;
listView.mOnDragUpdate(mCurDragEvent);
mDragTargetInsertDir = mCurDragEvent.mDragTargetDir;
mDragKind = mCurDragEvent.mDragKind;
mDragTarget = mCurDragEvent.mDragTarget as DarkListViewItem;
if (!mCurDragEvent.mDragAllowed)
if (mCurDragEvent.mDragKind == .None)
mDragTarget = null;
if (mDragTarget != null)
@ -847,6 +907,7 @@ namespace Beefy.theme.dark
public Event<delegate void(DragEvent)> mOnDragUpdate ~ _.Dispose();
public Event<delegate void(DragEvent)> mOnDragEnd ~ _.Dispose();
public Event<delegate void(Graphics)> mOnPostDraw ~ _.Dispose();
public this()
{
@ -1004,6 +1065,13 @@ namespace Beefy.theme.dark
}
}
public override void DrawAll(Graphics g)
{
base.DrawAll(g);
mOnPostDraw(g);
mOnPostDraw.Dispose();
}
public override void MouseMove(float x, float y)
{
base.MouseMove(x, y);

25
BeefLibs/Beefy2D/src/widgets/DragHelper.bf
View file

@ -151,20 +151,23 @@ namespace Beefy.widgets
public void Update()
{
int32 ticksDown = mWidget.mUpdateCnt - mDownUpdateCnt;
//int32 ticksDown = mWidget.mUpdateCnt - mDownUpdateCnt;
if (((mMouseFlags & MouseFlag.Left) != 0) && (ticksDown >= mMinDownTicks))
if ((mMouseFlags & MouseFlag.Left) != 0)
{
if ((!mIsDragging) && (mAllowDrag))
bool isTriggered = false;
/*if ((mMinDownTicks > 0) && (ticksDown >= mMinDownTicks))
isTriggered = true;*/
if ((Math.Abs(mMouseX - mMouseDownX) >= mTriggerDist) || (Math.Abs(mMouseY - mMouseDownY) >= mTriggerDist))
isTriggered = true;
if ((!mIsDragging) && (mAllowDrag) && (isTriggered))
{
if ((Math.Abs(mMouseX - mMouseDownX) >= mTriggerDist) || (Math.Abs(mMouseY - mMouseDownY) >= mTriggerDist))
{
SetHooks(true);
mPreparingForWidgetMove = false;
mAborted = false;
mIsDragging = true;
mDragInterface.DragStart();
}
SetHooks(true);
mPreparingForWidgetMove = false;
mAborted = false;
mIsDragging = true;
mDragInterface.DragStart();
}
if (mIsDragging)

61
BeefLibs/Beefy2D/src/widgets/ListView.bf
View file

@ -4,6 +4,7 @@ using System.Collections;
using System.Text;
using System.Diagnostics;
using Beefy.gfx;
using Beefy.events;
namespace Beefy.widgets
{
@ -111,6 +112,14 @@ namespace Beefy.widgets
}
}
public virtual bool IsDragging
{
get
{
return false;
}
}
public virtual float LabelX { get { return 0; } }
public virtual float LabelWidth { get { return mWidth; } }
@ -185,6 +194,16 @@ namespace Beefy.widgets
return null;
}
public int32 GetSelectedItemCount()
{
int32 count = 0;
WithSelectedItems(scope [&] (item) =>
{
count++;
});
return count;
}
public ListViewItem FindLastSelectedItem(bool filterToVisible = false)
{
ListViewItem selected = null;
@ -320,13 +339,44 @@ namespace Beefy.widgets
}
else
{
SelectItemExclusively(item);
if (item.Selected)
item.Focused = true;
if (item.Selected)
{
item.mOnMouseUp.AddFront(new => ItemMouseUpHandler);
var focusedItem = FindFocusedItem();
if (focusedItem != null)
{
focusedItem.Focused = false;
focusedItem.Selected = true;
}
item.Focused = true;
}
else
{
SelectItemExclusively(item);
if (item.Selected)
item.Focused = true;
}
//SelectItemExclusively(item);
//if (item.Selected)
//item.Focused = true;
}
}
}
void ItemMouseUpHandler(MouseEvent evt)
{
var item = evt.mSender as ListViewItem;
if ((item.mMouseOver) && (!item.IsDragging))
{
SelectItemExclusively(item);
if (item.Selected)
item.Focused = true;
}
item.mOnMouseUp.Remove(scope => ItemMouseUpHandler, true);
}
public virtual void Clear()
{
if (mChildItems == null)
@ -673,11 +723,6 @@ namespace Beefy.widgets
}
}
public class ListViewDragData
{
List<ListViewItem> mDragItems;
}
public abstract class ListView : ScrollableWidget
{
public List<ListViewColumn> mColumns = new List<ListViewColumn>() ~ DeleteContainerAndItems!(_);

22
BeefLibs/corlib/src/Event.bf
View file

@ -114,6 +114,28 @@ namespace System
}
}
public void AddFront(T ownDelegate) mut
{
Object data = Target;
if (data == null)
{
Target = ownDelegate;
return;
}
if (var list = data as List<T>)
{
list.Insert(0, ownDelegate);
}
else
{
var list = new List<T>();
list.Add(ownDelegate);
list.Add((T)data);
Target = list;
}
}
public void Remove(T compareDelegate, bool deleteDelegate = false) mut
{
Object data = Target;