/// <summary>
/// Initializes a new instance of the CacheItem class.
/// </summary>
/// <param name="item">The ImageListViewItem associated
/// with this request.</param>
public CacheItem(ImageListItem item)
{
mItem = item;
mIsVirtualItem = item.isVirtualItem;
mVirtualItemKey = item.mVirtualItemKey;
mFileName = item.FileName;
}
/// <summary>
/// Adds the item to the cache queue.
/// </summary>
public void Add(ImageListItem item)
{
lock (lockObject)
{
toCache.Enqueue(new CacheItem(item));
Monitor.Pulse(lockObject);
}
}
/// <summary>
/// Loads and returns the image for the given item.
/// </summary>
public Image GetImageAsync(ImageListItem item, Size size)
{
Image img = mImageListView.cacheManager.GetRendererImage(item.Guid, size, mImageListView.UseEmbeddedThumbnails);
if (img == null)
{
mImageListView.cacheManager.AddToRendererCache(item.Guid, item.FileName, size, mImageListView.UseEmbeddedThumbnails);
}
return(img);
}
/// <summary>
/// Determines whether the item is highlighted.
/// </summary>
public ItemHighlightState HighlightState(ImageListItem item)
{
bool highlighted = false;
if (highlightedItems.TryGetValue(item, out highlighted))
{
if (highlighted)
{
return(ItemHighlightState.HighlightedAndSelected);
}
else
{
return(ItemHighlightState.HighlightedAndUnSelected);
}
}
return(ItemHighlightState.NotHighlighted);
}
/// <summary>
/// Draws the large preview image of the focused item in Gallery mode.
/// </summary>
/// <param name="g">The System.Drawing.Graphics to draw on.</param>
/// <param name="item">The ImageListViewItem to draw.</param>
/// <param name="image">The image to draw.</param>
/// <param name="bounds">The bounding rectangle of the preview area.</param>
public virtual void DrawGalleryImage(Graphics g, ImageListItem item, Image image, Rectangle bounds)
{
if (item != null && image != null)
{
// Calculate image bounds
Size itemMargin = MeasureItemMargin(View.Thumbnails);
Rectangle pos = Utility.GetSizedImageBounds(image, new Rectangle(bounds.Location + itemMargin, bounds.Size - itemMargin - itemMargin));
// Draw image
g.DrawImage(image, pos);
// Draw image border
if (Math.Min(pos.Width, pos.Height) > 32)
{
using (Pen pGray128 = new Pen(Color.FromArgb(128, Color.Gray)))
{
g.DrawRectangle(pGray128, pos);
}
using (Pen pWhite128 = new Pen(Color.FromArgb(128, Color.White)))
{
g.DrawRectangle(pWhite128, Rectangle.Inflate(pos, -1, -1));
}
}
}
}
/// <summary>
/// Initializes a new instance of the ItemEventArgs class.
/// </summary>
/// <param name="item">The item that is the target of this event.</param>
/// <param name="error">Determines whether an error occurred during thumbnail extraction.</param>
public ThumbnailCachedEventArgs(ImageListItem item, bool error)
{
mItem = item;
mError = error;
}
/// <summary>
/// Initializes a new instance of the ItemEventArgs class.
/// </summary>
/// <param name="item">The currently hovered item.</param>
/// <param name="previousItem">The previously hovered item.</param>
public ItemHoverEventArgs(ImageListItem item, ImageListItem previousItem)
{
mItem = item;
mPreviousItem = previousItem;
}
/// <summary>
/// Initializes a new instance of the ItemClickEventArgs class.
/// </summary>
/// <param name="item">The item that is the target of this event.</param>
/// <param name="location">The location of the mouse.</param>
/// <param name="buttons">One of the System.Windows.Forms.MouseButtons values
/// indicating which mouse button was pressed.</param>
public ItemClickEventArgs(ImageListItem item, Point location, MouseButtons buttons)
{
mItem = item;
mLocation = location;
mButtons = buttons;
}
/// <summary>
/// Initializes a new instance of the ItemEventArgs class.
/// </summary>
/// <param name="item">The item that is the target of this event.</param>
public ItemEventArgs(ImageListItem item)
{
mItem = item;
}
public ImageLisViewItemEventArg(ImageListItem img)
{
ImageListViewItem = img;
}
/// <summary>
/// Draws the specified item on the given graphics.
/// </summary>
/// <param name="g">The System.Drawing.Graphics to draw on.</param>
/// <param name="item">The ImageListViewItem to draw.</param>
/// <param name="state">The current view state of item.</param>
/// <param name="bounds">The bounding rectangle of item in client coordinates.</param>
public virtual void DrawItem(Graphics g, ImageListItem item, ItemState state, Rectangle bounds)
{
Size itemPadding = new Size(4, 4);
// Paint background
using (Brush bItemBack = new SolidBrush(item.BackColor))
{
g.FillRectangle(bItemBack, bounds);
}
//if ((mImageListView.Focused && ((state & ItemState.Selected) != ItemState.None)) ||
// (!mImageListView.Focused && ((state & ItemState.Selected) != ItemState.None) && ((state & ItemState.Hovered) != ItemState.None)))
//{
// using (Brush bSelected = new LinearGradientBrush(bounds, Color.FromArgb(16, SystemColors.Highlight), Color.FromArgb(64, SystemColors.Highlight), LinearGradientMode.Vertical))
// {
// Utility.FillRoundedRectangle(g, bSelected, bounds, ( 4));
// }
//}
//else if (!mImageListView.Focused && ((state & ItemState.Selected) != ItemState.None))
//{
// using (Brush bGray64 = new LinearGradientBrush(bounds, Color.FromArgb(16, SystemColors.GrayText), Color.FromArgb(64, SystemColors.GrayText), LinearGradientMode.Vertical))
// {
// Utility.FillRoundedRectangle(g, bGray64, bounds, ( 4));
// }
//}
//if ((state & ItemState.Hovered) != ItemState.None)
//{
// using (Brush bHovered = new LinearGradientBrush(bounds, Color.FromArgb(8, SystemColors.Highlight), Color.FromArgb(32, SystemColors.Highlight), LinearGradientMode.Vertical))
// {
// Utility.FillRoundedRectangle(g, bHovered, bounds, ( 4));
// }
//}
// if (mImageListView.View != View.Details)
{
// Draw the image
Image img = item.ThumbnailImage;
if (img != null)
{
Rectangle pos = Utility.GetSizedImageBounds(img, new Rectangle(bounds.Location + itemPadding, mImageListView.ThumbnailSize));
g.DrawImage(img, pos);
// Draw image border
if (Math.Min(pos.Width, pos.Height) > 32)
{
using (Pen pGray128 = new Pen(Color.FromArgb(128, Color.Gray)))
{
g.DrawRectangle(pGray128, pos);
}
if (System.Math.Min(mImageListView.ThumbnailSize.Width, mImageListView.ThumbnailSize.Height) > 32)
{
using (Pen pWhite128 = new Pen(Color.FromArgb(128, Color.White)))
{
g.DrawRectangle(pWhite128, Rectangle.Inflate(pos, -1, -1));
}
}
}
}
// Draw item text
SizeF szt = TextRenderer.MeasureText(item.Text, mImageListView.Font);
RectangleF rt;
using (StringFormat sf = new StringFormat())
{
rt = new RectangleF(bounds.Left + itemPadding.Width, bounds.Top + 2 * itemPadding.Height + mImageListView.ThumbnailSize.Height, mImageListView.ThumbnailSize.Width, szt.Height);
sf.Alignment = StringAlignment.Center;
sf.FormatFlags = StringFormatFlags.NoWrap;
sf.LineAlignment = StringAlignment.Center;
sf.Trimming = StringTrimming.EllipsisCharacter;
using (Brush bItemFore = new SolidBrush(item.ForeColor))
{
g.DrawString(item.Text, mImageListView.Font, bItemFore, rt, sf);
}
}
}
// Item border
using (Pen pWhite128 = new Pen(Color.FromArgb(128, Color.White)))
{
Utility.DrawRoundedRectangle(g, pWhite128, bounds.Left + 1, bounds.Top + 1, bounds.Width - 3, bounds.Height - 3, (4));
}
//if (mImageListView.Focused && ((state & ItemState.Selected) != ItemState.None))
//{
// using (Pen pHighlight128 = new Pen(Color.FromArgb(128, SystemColors.Highlight)))
// {
// Utility.DrawRoundedRectangle(g, pHighlight128, bounds.Left, bounds.Top, bounds.Width - 1, bounds.Height - 1, ( 4));
// }
//}
//else if (!mImageListView.Focused && ((state & ItemState.Selected) != ItemState.None))
//{
// using (Pen pGray128 = new Pen(Color.FromArgb(128, SystemColors.GrayText)))
// {
// Utility.DrawRoundedRectangle(g, pGray128, bounds.Left, bounds.Top, bounds.Width - 1, bounds.Height - 1, ( 4));
// }
//}
//else if ( (state & ItemState.Selected) == ItemState.None)
//{
// using (Pen pGray64 = new Pen(Color.FromArgb(64, SystemColors.GrayText)))
// {
// Utility.DrawRoundedRectangle(g, pGray64, bounds.Left, bounds.Top, bounds.Width - 1, bounds.Height - 1, ( 4));
// }
//}
//if (mImageListView.Focused && ((state & ItemState.Hovered) != ItemState.None))
//{
// using (Pen pHighlight64 = new Pen(Color.FromArgb(64, SystemColors.Highlight)))
// {
// Utility.DrawRoundedRectangle(g, pHighlight64, bounds.Left, bounds.Top, bounds.Width - 1, bounds.Height - 1, ( 4));
// }
//}
//// Focus rectangle
//if (mImageListView.Focused && ((state & ItemState.Focused) != ItemState.None))
//{
// ControlPaint.DrawFocusRectangle(g, bounds);
//}
}
/// <summary>
/// Renders the control.
/// </summary>
private void Render(Graphics graphics)
{
if (disposed)
{
return;
}
if (bufferGraphics == null)
{
if (!RecreateBuffer())
{
return;
}
}
// Update the layout
mImageListView.layoutManager.Update();
// Set drawing area
Graphics g = bufferGraphics.Graphics;
g.ResetClip();
// Draw background
g.SetClip(mImageListView.layoutManager.ClientArea);
DrawBackground(g, mImageListView.layoutManager.ClientArea);
// Draw items
// Draw items
if (mImageListView.Items.Count > 0 &&
mImageListView.layoutManager.FirstPartiallyVisible != -1 &&
mImageListView.layoutManager.LastPartiallyVisible != -1)
{
List <DrawItemParams> drawItemParams = new List <DrawItemParams>();
for (int i = mImageListView.layoutManager.FirstPartiallyVisible; i <= mImageListView.layoutManager.LastPartiallyVisible; i++)
{
ImageListItem item = mImageListView.Items[i];
// Determine item state
ItemState state = ItemState.None;
ItemHighlightState highlightState = mImageListView.navigationManager.HighlightState(item);
if (highlightState == ItemHighlightState.HighlightedAndSelected ||
(highlightState == ItemHighlightState.NotHighlighted && item.Selected))
{
state |= ItemState.Selected;
}
if (ReferenceEquals(mImageListView.navigationManager.HoveredItem, item) &&
mImageListView.navigationManager.MouseSelecting == false)
{
state |= ItemState.Hovered;
}
if (item.Focused)
{
state |= ItemState.Focused;
}
// Get item bounds
Rectangle bounds = mImageListView.layoutManager.GetItemBounds(i);
// Add to params to be sorted and drawn
drawItemParams.Add(new DrawItemParams(item, state, bounds));
}
// Sort items by draw order
drawItemParams.Sort(new ItemDrawOrderComparer(mItemDrawOrder));
// Draw items
foreach (DrawItemParams param in drawItemParams)
{
if (mClip)
{
Rectangle clip = Rectangle.Intersect(param.Bounds, mImageListView.layoutManager.ItemAreaBounds);
g.SetClip(clip);
}
else
{
g.SetClip(mImageListView.layoutManager.ClientArea);
}
DrawItem(g, param.Item, param.State, param.Bounds);
}
}
// Draw the overlay image
g.SetClip(mImageListView.layoutManager.ClientArea);
DrawOverlay(g, mImageListView.layoutManager.ClientArea);
// Draw the selection rectangle
if (mImageListView.navigationManager.MouseSelecting)
{
Rectangle sel = mImageListView.navigationManager.SelectionRectangle;
if (sel.Height > 0 && sel.Width > 0)
{
if (mClip)
{
Rectangle selclip = new Rectangle(sel.Left, sel.Top, sel.Width + 1, sel.Height + 1);
g.SetClip(selclip);
}
else
{
g.SetClip(mImageListView.layoutManager.ClientArea);
}
g.ExcludeClip(mImageListView.layoutManager.ColumnHeaderBounds);
DrawSelectionRectangle(g, sel);
}
}
// Draw the insertion caret
if (mImageListView.navigationManager.DropTarget != null)
{
Rectangle bounds = mImageListView.layoutManager.GetItemBounds(mImageListView.navigationManager.DropTarget.Index);
{
if (mImageListView.navigationManager.DropToRight)
{
bounds.Offset(mImageListView.layoutManager.ItemSizeWithMargin.Width, 0);
}
Size itemMargin = MeasureItemMargin(View.Thumbnails);
bounds.Offset(-(itemMargin.Width - 2) / 2 - 2, 0);
bounds.Width = 2;
}
if (mClip)
{
g.SetClip(bounds);
}
else
{
g.SetClip(mImageListView.layoutManager.ClientArea);
}
DrawInsertionCaret(g, bounds);
}
// Scrollbar filler
if (mImageListView.hScrollBar.Visible && mImageListView.vScrollBar.Visible)
{
Rectangle bounds = mImageListView.layoutManager.ClientArea;
Rectangle filler = new Rectangle(bounds.Right, bounds.Bottom, mImageListView.vScrollBar.Width, mImageListView.hScrollBar.Height);
g.SetClip(filler);
g.FillRectangle(SystemBrushes.Control, filler);
}
// Draw on to the control
bufferGraphics.Render(graphics);
}
public DrawItemParams(ImageListItem item, ItemState state, Rectangle bounds)
{
Item = item;
State = state;
Bounds = bounds;
}
/// <summary>
/// Handles control's DragOver event.
/// </summary>
public void DragOver(DragEventArgs e)
{
if (mImageListView.AllowDrop || (mImageListView.AllowDrag && selfDragging))
{
if (mImageListView.Items.Count == 0)
{
if (selfDragging)
{
e.Effect = DragDropEffects.None;
}
else
{
e.Effect = DragDropEffects.Copy;
}
}
else
{
// Calculate the location of the insertion cursor
Point pt = new Point(e.X, e.Y);
pt = mImageListView.PointToClient(pt);
// Do we need to scroll the view?
if (mImageListView.ScrollOrientation == ScrollOrientation.VerticalScroll &&
pt.Y > mImageListView.ClientRectangle.Bottom - 20)
{
scrollTimer.Tag = -120;
scrollTimer.Enabled = true;
}
else if (mImageListView.ScrollOrientation == ScrollOrientation.VerticalScroll &&
pt.Y < mImageListView.ClientRectangle.Top + 20)
{
scrollTimer.Tag = 120;
scrollTimer.Enabled = true;
}
else if (mImageListView.ScrollOrientation == ScrollOrientation.HorizontalScroll &&
pt.X > mImageListView.ClientRectangle.Right - 20)
{
scrollTimer.Tag = -120;
scrollTimer.Enabled = true;
}
else if (mImageListView.ScrollOrientation == ScrollOrientation.HorizontalScroll &&
pt.X < mImageListView.ClientRectangle.Left + 20)
{
scrollTimer.Tag = 120;
scrollTimer.Enabled = true;
}
else
{
scrollTimer.Enabled = false;
}
// Normalize to item area coordinates
pt.X -= mImageListView.layoutManager.ItemAreaBounds.Left;
pt.Y -= mImageListView.layoutManager.ItemAreaBounds.Top;
// Row and column mouse is over
bool dragCaretOnRight = false;
int index = 0;
if (mImageListView.ScrollOrientation == ScrollOrientation.HorizontalScroll)
{
index = (pt.X + mImageListView.ViewOffset.X) / mImageListView.layoutManager.ItemSizeWithMargin.Width;
}
else
{
int col = pt.X / mImageListView.layoutManager.ItemSizeWithMargin.Width;
int row = (pt.Y + mImageListView.ViewOffset.Y) / mImageListView.layoutManager.ItemSizeWithMargin.Height;
if (col > mImageListView.layoutManager.Cols - 1)
{
col = mImageListView.layoutManager.Cols - 1;
dragCaretOnRight = true;
}
index = row * mImageListView.layoutManager.Cols + col;
}
if (index < 0)
{
index = 0;
}
if (index > mImageListView.Items.Count - 1)
{
index = mImageListView.Items.Count - 1;
dragCaretOnRight = true;
}
ImageListItem dragDropTarget = mImageListView.Items[index];
if (selfDragging && (dragDropTarget.Selected ||
(!dragCaretOnRight && index > 0 && mImageListView.Items[index - 1].Selected) ||
(dragCaretOnRight && index < mImageListView.Items.Count - 1 && mImageListView.Items[index + 1].Selected)))
{
e.Effect = DragDropEffects.None;
dragDropTarget = null;
}
else if (selfDragging)
{
e.Effect = DragDropEffects.Copy;
}
else
{
e.Effect = DragDropEffects.Copy;
}
if (!ReferenceEquals(dragDropTarget, DropTarget) || dragCaretOnRight != DropToRight)
{
DropTarget = dragDropTarget;
DropToRight = dragCaretOnRight;
mImageListView.Refresh(true);
}
}
}
else
{
e.Effect = DragDropEffects.None;
}
}
/// <summary>
/// Handles control's MouseMove event.
/// </summary>
public void MouseMove(MouseEventArgs e)
{
ImageListItem oldHoveredItem = HoveredItem;
// ImageListView.ImageListViewColumnHeader oldHoveredColumn = HoveredColumn;
// ImageListView.ImageListViewColumnHeader oldHoveredSeparator = HoveredSeparator;
DoHitTest(e.Location);
mImageListView.mRenderer.SuspendPaint();
// Do we need to scroll the view?
if (MouseSelecting && mImageListView.ScrollOrientation == ScrollOrientation.VerticalScroll && !scrollTimer.Enabled)
{
if (e.Y > mImageListView.ClientRectangle.Bottom)
{
scrollTimer.Tag = -120;
scrollTimer.Enabled = true;
}
else if (e.Y < mImageListView.ClientRectangle.Top)
{
scrollTimer.Tag = 120;
scrollTimer.Enabled = true;
}
}
else if (MouseSelecting && mImageListView.ScrollOrientation == ScrollOrientation.HorizontalScroll && !scrollTimer.Enabled)
{
if (e.X > mImageListView.ClientRectangle.Right)
{
scrollTimer.Tag = -120;
scrollTimer.Enabled = true;
}
else if (e.X < mImageListView.ClientRectangle.Left)
{
scrollTimer.Tag = 120;
scrollTimer.Enabled = true;
}
}
else if (scrollTimer.Enabled && mImageListView.ClientRectangle.Contains(e.Location))
{
scrollTimer.Enabled = false;
}
if (DraggingSeperator)
{
//int delta = e.Location.X - lastSeparatorDragLocation.X;
//int colwidth = SelectedSeperator.Width + delta;
//if (colwidth > 16)
// lastSeparatorDragLocation = e.Location;
//else
//{
// lastSeparatorDragLocation = new Point(e.Location.X - colwidth + 16, e.Location.Y);
// colwidth = 16;
//}
//SelectedSeperator.Width = colwidth;
//HoveredItem = null;
//HoveredColumn = SelectedSeperator;
//HoveredSeparator = SelectedSeperator;
mImageListView.Refresh();
}
else if (ResizingPane)
{
int delta = e.Location.X - lastPaneResizeLocation.X;
int width = mImageListView.mPaneWidth + delta;
if (width > 2)
{
lastPaneResizeLocation = e.Location;
}
else
{
lastPaneResizeLocation = new Point(e.Location.X - width + 2, e.Location.Y);
width = 2;
}
mImageListView.mPaneWidth = width;
HoveredItem = null;
//HoveredColumn = null;
//HoveredSeparator = null;
mImageListView.Refresh();
}
else if (MouseSelecting)
{
//if (!ShiftKey && !ControlKey)
// mImageListView.SelectedItems.Clear(false);
// Create the selection rectangle
Point viewOffset = mImageListView.ViewOffset;
Point pt1 = new Point(lastMouseDownLocation.X - (viewOffset.X - lastViewOffset.X),
lastMouseDownLocation.Y - (viewOffset.Y - lastViewOffset.Y));
Point pt2 = new Point(e.Location.X, e.Location.Y);
SelectionRectangle = new Rectangle(Math.Min(pt1.X, pt2.X), Math.Min(pt1.Y, pt2.Y), Math.Abs(pt1.X - pt2.X), Math.Abs(pt1.Y - pt2.Y));
// Normalize to item area coordinates
pt1 = new Point(SelectionRectangle.Left, SelectionRectangle.Top);
pt2 = new Point(SelectionRectangle.Right, SelectionRectangle.Bottom);
Point itemAreaOffset = new Point(-mImageListView.layoutManager.ItemAreaBounds.Left,
-mImageListView.layoutManager.ItemAreaBounds.Top);
pt1.Offset(itemAreaOffset);
pt2.Offset(itemAreaOffset);
// Determine which items are highlighted
highlightedItems.Clear();
int startRow = (int)Math.Floor((float)(Math.Min(pt1.Y, pt2.Y) + viewOffset.Y) /
(float)mImageListView.layoutManager.ItemSizeWithMargin.Height);
int endRow = (int)Math.Floor((float)(Math.Max(pt1.Y, pt2.Y) + viewOffset.Y) /
(float)mImageListView.layoutManager.ItemSizeWithMargin.Height);
int startCol = (int)Math.Floor((float)(Math.Min(pt1.X, pt2.X) + viewOffset.X) /
(float)mImageListView.layoutManager.ItemSizeWithMargin.Width);
int endCol = (int)Math.Floor((float)(Math.Max(pt1.X, pt2.X) + viewOffset.X) /
(float)mImageListView.layoutManager.ItemSizeWithMargin.Width);
if (mImageListView.ScrollOrientation == ScrollOrientation.HorizontalScroll &&
(startRow >= 0 || endRow >= 0))
{
for (int i = startCol; i <= endCol; i++)
{
for (int col = startCol; col <= endCol; col++)
{
if (i >= 0 && i <= mImageListView.Items.Count - 1 &&
!highlightedItems.ContainsKey(mImageListView.Items[i]))
{
highlightedItems.Add(mImageListView.Items[i],
(ControlKey ? !mImageListView.Items[i].Selected : true));
}
}
}
}
else if (mImageListView.ScrollOrientation == ScrollOrientation.VerticalScroll &&
(startCol >= 0 || endCol >= 0) && (startRow >= 0 || endRow >= 0) &&
(startCol <= mImageListView.layoutManager.Cols - 1 || endCol <= mImageListView.layoutManager.Cols - 1))
{
startCol = Math.Min(mImageListView.layoutManager.Cols - 1, Math.Max(0, startCol));
endCol = Math.Min(mImageListView.layoutManager.Cols - 1, Math.Max(0, endCol));
for (int row = startRow; row <= endRow; row++)
{
for (int col = startCol; col <= endCol; col++)
{
int i = row * mImageListView.layoutManager.Cols + col;
if (i >= 0 && i <= mImageListView.Items.Count - 1 &&
!highlightedItems.ContainsKey(mImageListView.Items[i]))
{
highlightedItems.Add(mImageListView.Items[i],
(ControlKey ? !mImageListView.Items[i].Selected : true));
}
}
}
}
//HoveredColumn = null;
//HoveredSeparator = null;
//SelectedSeperator = null;
mImageListView.Refresh();
}
else if (!MouseSelecting && !DraggingSeperator && !ResizingPane &&
inItemArea && lastMouseDownInItemArea &&
(LeftButton || RightButton) &&
((Math.Abs(e.Location.X - lastMouseDownLocation.X) > SelectionTolerance ||
Math.Abs(e.Location.Y - lastMouseDownLocation.Y) > SelectionTolerance)))
{
if (!lastMouseDownOverItem && HoveredItem == null)
{
// Start mouse selection
MouseSelecting = true;
SelectionRectangle = new Rectangle(lastMouseDownLocation, new Size(0, 0));
mImageListView.Refresh();
}
else if (lastMouseDownOverItem && HoveredItem != null && mImageListView.AllowDrag)
{
// Start drag&drop
if (!HoveredItem.Selected)
{
HoveredItem.mSelected = true;
mImageListView.OnSelectionChangedInternal();
DropTarget = null;
mImageListView.Refresh(true);
}
// Set drag data
List <string> filenames = new List <string>();
DataObject data = new DataObject(DataFormats.FileDrop, filenames.ToArray());
DropTarget = null;
selfDragging = true;
mImageListView.DoDragDrop(data, DragDropEffects.Copy);
selfDragging = false;
// Since the MouseUp event will be eaten by DoDragDrop we will not receive
// the MouseUp event. We need to manually update mouse button flags after
// the drop.
if ((Control.MouseButtons & MouseButtons.Left) == MouseButtons.None)
{
LeftButton = false;
}
if ((Control.MouseButtons & MouseButtons.Right) == MouseButtons.None)
{
RightButton = false;
}
}
}
else if (!MouseSelecting && !DraggingSeperator && !ResizingPane &&
inHeaderArea && lastMouseDownInColumnHeaderArea && lastMouseDownOverSeparator && LeftButton)// &&
// mImageListView.AllowColumnResize && HoveredSeparator != null)
{
// Start dragging a separator
DraggingSeperator = true;
// SelectedSeperator = HoveredSeparator;
lastSeparatorDragLocation = e.Location;
}
else if (!MouseSelecting && !DraggingSeperator && !ResizingPane &&
inPaneArea && lastMouseDownInPaneArea && lastMouseDownOverPaneBorder && LeftButton &&
mImageListView.AllowPaneResize && HoveredPaneBorder != false)
{
// Start dragging the pane
ResizingPane = true;
lastPaneResizeLocation = e.Location;
}
else if (!ReferenceEquals(HoveredItem, oldHoveredItem))// ||
//!ReferenceEquals(HoveredColumn, oldHoveredColumn) ||
//!ReferenceEquals(HoveredSeparator, oldHoveredSeparator))
{
// Hovered item changed
if (!ReferenceEquals(HoveredItem, oldHoveredItem))
{
mImageListView.OnItemHover(new ItemHoverEventArgs(HoveredItem, oldHoveredItem));
}
//if (!ReferenceEquals(HoveredColumn, oldHoveredColumn))
// mImageListView.OnColumnHover(new ColumnHoverEventArgs(HoveredColumn, oldHoveredColumn));
mImageListView.Refresh();
}
mImageListView.mRenderer.ResumePaint();
// Change to size cursor if mouse is over a column separator or pane border
if (mImageListView.Cursor != Cursors.VSplit && mImageListView.Focused && !MouseSelecting)
{
//if ((mImageListView.AllowColumnResize && HoveredSeparator != null) ||
// (mImageListView.AllowPaneResize && HoveredPaneBorder != false))
// mImageListView.Cursor = Cursors.VSplit;
}
else if (mImageListView.Cursor == Cursors.VSplit)
{
//if (!((inHeaderArea && (DraggingSeperator || HoveredSeparator != null)) ||
// (inPaneArea && (ResizingPane || HoveredPaneBorder != false))))
// mImageListView.Cursor = Cursors.Default;
}
lastMouseMoveLocation = e.Location;
}