/// <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 override void DrawItem(Graphics g, ImageListViewItem item, ItemState state, Rectangle bounds)
{
if (ImageListView.View == View.Details)
{
bool alternate = (item.Index % 2 == 1);
List<ImageListView.ImageListViewColumnHeader> uicolumns = ImageListView.Columns.GetDisplayedColumns();
// Paint background
if ((state & ItemState.Disabled) != ItemState.None)
{
// Disabled
using (Brush bItemBack = new LinearGradientBrush(bounds, ImageListView.Colors.DisabledColor1,
ImageListView.Colors.DisabledColor2, LinearGradientMode.Vertical))
{
g.FillRectangle(bItemBack, bounds);
}
}
else if (ImageListView.Focused && ((state & ItemState.Selected) != ItemState.None))
{
// Focused and selected
using (Brush bItemBack = new LinearGradientBrush(bounds, ImageListView.Colors.SelectedColor1,
ImageListView.Colors.SelectedColor2, LinearGradientMode.Vertical))
{
g.FillRectangle(bItemBack, bounds);
}
}
else if (!ImageListView.Focused && ((state & ItemState.Selected) != ItemState.None))
{
// Not focused and selected
using (Brush bItemBack = new LinearGradientBrush(bounds, ImageListView.Colors.UnFocusedColor1,
ImageListView.Colors.UnFocusedColor2, LinearGradientMode.Vertical))
{
g.FillRectangle(bItemBack, bounds);
}
}
else
{
// Not selected
using (Brush bItemBack = new SolidBrush(alternate ?
ImageListView.Colors.AlternateBackColor : ImageListView.Colors.BackColor))
{
g.FillRectangle(bItemBack, bounds);
}
// Shade sort column
int x = bounds.Left - 1;
foreach (ImageListView.ImageListViewColumnHeader column in uicolumns)
{
if (ImageListView.SortOrder != SortOrder.None &&
ImageListView.SortColumn >= 0 && ImageListView.SortColumn < ImageListView.Columns.Count &&
ImageListView.Columns[ImageListView.SortColumn].Guid == column.Guid)
{
Rectangle subItemBounds = bounds;
subItemBounds.X = x;
subItemBounds.Width = column.Width;
using (Brush bSort = new SolidBrush(ImageListView.Colors.ColumnSelectColor))
{
g.FillRectangle(bSort, subItemBounds);
}
break;
}
x += column.Width;
}
}
// Separators
int xs = bounds.Left - 1;
foreach (ImageListView.ImageListViewColumnHeader column in uicolumns)
{
xs += column.Width;
if (!ReferenceEquals(column, uicolumns[uicolumns.Count - 1]))
{
using (Pen pSep = new Pen(ImageListView.Colors.ColumnSeparatorColor))
{
g.DrawLine(pSep, xs, bounds.Top, xs, bounds.Bottom);
}
}
}
// Sub items
Color foreColor = ImageListView.Colors.CellForeColor;
if ((state & ItemState.Disabled) != ItemState.None)
foreColor = ImageListView.Colors.DisabledForeColor;
else if (ImageListView.Focused && (state & ItemState.Selected) != ItemState.None)
foreColor = ImageListView.Colors.SelectedForeColor;
else if (!ImageListView.Focused && (state & ItemState.Selected) != ItemState.None)
foreColor = ImageListView.Colors.UnFocusedForeColor;
else if (alternate)
foreColor = ImageListView.Colors.AlternateCellForeColor;
int offset = 2;
int firstWidth = 0;
if (uicolumns.Count > 0)
firstWidth = uicolumns[0].Width;
Rectangle rt = new Rectangle(bounds.Left + offset, bounds.Top, firstWidth - 2 * offset, bounds.Height);
foreach (ImageListView.ImageListViewColumnHeader column in uicolumns)
{
rt.Width = column.Width - 2 * offset;
int iconOffset = 0;
if (column.Type == ColumnType.Name)
{
// Allocate space for checkbox and file icon
if (ImageListView.ShowCheckBoxes && ImageListView.ShowFileIcons)
iconOffset += 2 * 16 + 3 * 2;
else if (ImageListView.ShowCheckBoxes)
iconOffset += 16 + 2 * 2;
else if (ImageListView.ShowFileIcons)
iconOffset += 16 + 2 * 2;
}
rt.X += iconOffset;
rt.Width -= iconOffset;
// Rating stars
if (column.Type == ColumnType.Rating && ImageListView.RatingImage != null && ImageListView.EmptyRatingImage != null)
{
int rating = item.GetSimpleRating();
if (rating > 0)
{
int w = ImageListView.RatingImage.Width;
int y = (int)(rt.Top + (rt.Height - ImageListView.RatingImage.Height) / 2.0f);
for (int i = 1; i <= 5; i++)
{
if (rating >= i)
g.DrawImage(ImageListView.RatingImage, rt.Left + (i - 1) * w, y);
else
g.DrawImage(ImageListView.EmptyRatingImage, rt.Left + (i - 1) * w, y);
}
}
}
else if (column.Type == ColumnType.Custom)
TextRenderer.DrawText(g, item.GetSubItemText(column.Guid), ImageListView.Font, rt, foreColor,
TextFormatFlags.EndEllipsis | TextFormatFlags.VerticalCenter | TextFormatFlags.PreserveGraphicsClipping);
else
TextRenderer.DrawText(g, item.GetSubItemText(column.Type), ImageListView.Font, rt, foreColor,
TextFormatFlags.EndEllipsis | TextFormatFlags.VerticalCenter | TextFormatFlags.PreserveGraphicsClipping);
rt.X -= iconOffset;
rt.X += column.Width;
}
// Focus rectangle
if (ImageListView.Focused && ((state & ItemState.Focused) != ItemState.None))
ControlPaint.DrawFocusRectangle(g, bounds);
}
else // if (ImageListView.View != View.Details)
{
// Paint background
if (ImageListView.Enabled)
{
using (Brush bItemBack = new SolidBrush(ImageListView.Colors.BackColor))
{
g.FillRectangle(bItemBack, bounds);
}
}
else
{
using (Brush bItemBack = new SolidBrush(ImageListView.Colors.DisabledBackColor))
{
g.FillRectangle(bItemBack, bounds);
}
}
// Get thumbnail
Image img = item.GetCachedImage(CachedImageType.Thumbnail);
// Reference text height
int textHeight = ImageListView.Font.Height;
// Calculate bounds
Rectangle textBounds = new Rectangle(bounds.Left + 3, bounds.Bottom - (textHeight + 3), bounds.Width - 2 * 3, textHeight);
Rectangle imgBounds;
if (img != null)
imgBounds = new Rectangle(bounds.Left + (bounds.Width - img.Width) / 2,
bounds.Bottom - (img.Height + textHeight + 3 * 3), img.Width, img.Height);
else
imgBounds = new Rectangle(bounds.Left + 3, bounds.Top + 3, ImageListView.ThumbnailSize.Width, ImageListView.ThumbnailSize.Height);
Rectangle textOutline = Rectangle.Inflate(textBounds, 3, 3);
Rectangle imgOutline = Rectangle.Inflate(imgBounds, 3, 3);
textOutline.Width -= 1;
textOutline.Height -= 1;
// Paint background
if ((((state & ItemState.Disabled) != ItemState.None)))
{
// Disabled
using (Brush bBack = new SolidBrush(ImageListView.Colors.DisabledColor1))
{
Utility.FillRoundedRectangle(g, bBack, textOutline, 4);
Utility.FillRoundedRectangle(g, bBack, imgOutline, 4);
}
}
else if ((ImageListView.Focused && ((state & ItemState.Selected) != ItemState.None)))
{
// Focused and selected
using (Brush bBack = new SolidBrush(ImageListView.Colors.SelectedColor1))
{
Utility.FillRoundedRectangle(g, bBack, textOutline, 4);
Utility.FillRoundedRectangle(g, bBack, imgOutline, 4);
}
}
else if ((!ImageListView.Focused && ((state & ItemState.Selected) != ItemState.None)))
{
// Not focused and selected
using (Brush bBack = new SolidBrush(ImageListView.Colors.UnFocusedColor1))
{
Utility.FillRoundedRectangle(g, bBack, textOutline, 4);
Utility.FillRoundedRectangle(g, bBack, imgOutline, 4);
}
}
// Draw image
if (img != null)
{
g.DrawImage(img, imgBounds.Location);
}
// Image border
using (Pen pBorder = new Pen(ImageListView.Colors.BorderColor))
{
Utility.DrawRoundedRectangle(g, pBorder, imgOutline.Left, imgOutline.Top, imgOutline.Width - 1, imgOutline.Height - 1, 3);
}
// Hovered state
if ((state & ItemState.Hovered) != ItemState.None)
{
using (Brush bGlow = new SolidBrush(Color.FromArgb(24, Color.White)))
{
Utility.FillRoundedRectangle(g, bGlow, imgOutline, 4);
}
}
// Item text
Color foreColor = ImageListView.Colors.ForeColor;
if ((state & ItemState.Disabled) != ItemState.None)
foreColor = ImageListView.Colors.DisabledForeColor;
else if (ImageListView.Focused && (state & ItemState.Selected) != ItemState.None)
foreColor = ImageListView.Colors.SelectedForeColor;
else if (!ImageListView.Focused && (state & ItemState.Selected) != ItemState.None)
foreColor = ImageListView.Colors.UnFocusedForeColor;
TextRenderer.DrawText(g, item.Text, ImageListView.Font, textBounds, foreColor,
TextFormatFlags.EndEllipsis | TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.PreserveGraphicsClipping);
// Focus rectangle
if (ImageListView.Focused && ((state & ItemState.Focused) != ItemState.None))
{
textOutline.Offset(1, 1);
textOutline.Width -= 1;
textOutline.Height -= 1;
ControlPaint.DrawFocusRectangle(g, textOutline);
}
}
}
/// <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 override void DrawItem(Graphics g, ImageListViewItem item, ItemState state, Rectangle bounds)
{
VisualStyleRenderer rBack;
if (!ImageListView.Enabled)
rBack = rItemSelectedHidden;
if (((state & ItemState.Disabled) != ItemState.None))
rBack = rItemDisabled;
else if (!ImageListView.Focused && ((state & ItemState.Selected) != ItemState.None))
rBack = rItemSelectedHidden;
else if (((state & ItemState.Selected) != ItemState.None) && ((state & ItemState.Hovered) != ItemState.None))
rBack = rItemHoveredSelected;
else if ((state & ItemState.Selected) != ItemState.None)
rBack = rItemSelected;
else if ((state & ItemState.Hovered) != ItemState.None)
rBack = rItemHovered;
else
rBack = rItemNormal;
if (VisualStylesEnabled && rBack != null)
{
// Do not draw the background of normal items
if (((state & ItemState.Hovered) != ItemState.None) || ((state & ItemState.Selected) != ItemState.None))
rBack.DrawBackground(g, bounds, bounds);
Size itemPadding = new Size(7, 7);
// Draw the image
if (ImageListView.View != View.Details)
{
Image img = item.GetCachedImage(CachedImageType.Thumbnail);
if (img != null)
{
Rectangle pos = Utility.GetSizedImageBounds(img, new Rectangle(bounds.Location + itemPadding, ImageListView.ThumbnailSize));
// Image background
Rectangle imgback = pos;
imgback.Inflate(3, 3);
g.FillRectangle(SystemBrushes.Window, imgback);
// Image border
if (img.Width > 32 && img.Height > 32)
{
using (Pen pen = new Pen(Color.FromArgb(224, 224, 244)))
{
g.DrawRectangle(pen, imgback.X, imgback.Y, imgback.Width - 1, imgback.Height - 1);
}
}
// Image
g.DrawImage(img, pos);
}
// Draw item text
Color foreColor = SystemColors.ControlText;
if ((state & ItemState.Disabled) != ItemState.None)
foreColor = SystemColors.GrayText;
Size szt = TextRenderer.MeasureText(item.Text, ImageListView.Font);
Rectangle rt = new Rectangle(
bounds.Left + itemPadding.Width, bounds.Top + 2 * itemPadding.Height + ImageListView.ThumbnailSize.Height,
ImageListView.ThumbnailSize.Width, szt.Height);
TextRenderer.DrawText(g, item.Text, ImageListView.Font, rt, foreColor,
TextFormatFlags.EndEllipsis | TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.SingleLine | TextFormatFlags.PreserveGraphicsClipping);
}
else // if (ImageListView.View == View.Details)
{
List<ImageListView.ImageListViewColumnHeader> uicolumns = ImageListView.Columns.GetDisplayedColumns();
// Separators
int x = bounds.Left - 2;
foreach (ImageListView.ImageListViewColumnHeader column in uicolumns)
{
x += column.Width;
if (!ReferenceEquals(column, uicolumns[uicolumns.Count - 1]))
{
using (Pen pGray32 = new Pen(Color.FromArgb(32, 128, 128, 128)))
{
g.DrawLine(pGray32, x, bounds.Top, x, bounds.Bottom);
}
}
}
Size offset = new Size(2, (bounds.Height - ImageListView.Font.Height) / 2);
// Sub text
int firstWidth = 0;
if (uicolumns.Count > 0)
firstWidth = uicolumns[0].Width;
Rectangle rt = new Rectangle(bounds.Left + offset.Width, bounds.Top + offset.Height, firstWidth - 2 * offset.Width, bounds.Height - 2 * offset.Height);
Color foreColor = SystemColors.ControlText;
if ((state & ItemState.Disabled) != ItemState.None)
foreColor = SystemColors.GrayText;
foreach (ImageListView.ImageListViewColumnHeader column in uicolumns)
{
rt.Width = column.Width - 2 * offset.Width;
using (Brush bItemFore = new SolidBrush(SystemColors.ControlText))
{
int iconOffset = 0;
if (column.Type == ColumnType.Name)
{
// Allocate space for checkbox and file icon
if (ImageListView.ShowCheckBoxes && ImageListView.ShowFileIcons)
iconOffset += 2 * 16 + 3 * 2;
else if (ImageListView.ShowCheckBoxes)
iconOffset += 16 + 2 * 2;
else if (ImageListView.ShowFileIcons)
iconOffset += 16 + 2 * 2;
}
rt.X += iconOffset;
rt.Width -= iconOffset;
// Rating stars
if (column.Type == ColumnType.Rating && ImageListView.RatingImage != null && ImageListView.EmptyRatingImage != null)
{
int rating = item.GetSimpleRating();
if (rating > 0)
{
int w = ImageListView.RatingImage.Width;
int y = (int)(rt.Top + (rt.Height - ImageListView.RatingImage.Height) / 2.0f);
for (int i = 1; i <= 5; i++)
{
if (rating >= i)
g.DrawImage(ImageListView.RatingImage, rt.Left + (i - 1) * w, y);
else
g.DrawImage(ImageListView.EmptyRatingImage, rt.Left + (i - 1) * w, y);
}
}
}
else if (column.Type == ColumnType.Custom)
TextRenderer.DrawText(g, item.GetSubItemText(column.Guid), ImageListView.Font, rt, foreColor,
TextFormatFlags.EndEllipsis | TextFormatFlags.VerticalCenter | TextFormatFlags.SingleLine | TextFormatFlags.PreserveGraphicsClipping);
else
TextRenderer.DrawText(g, item.GetSubItemText(column.Type), ImageListView.Font, rt, foreColor,
TextFormatFlags.EndEllipsis | TextFormatFlags.VerticalCenter | TextFormatFlags.SingleLine | TextFormatFlags.PreserveGraphicsClipping);
rt.X -= iconOffset;
}
rt.X += column.Width;
}
}
// Focus rectangle
if (ImageListView.Focused && ((state & ItemState.Focused) != ItemState.None))
{
Rectangle focusBounds = bounds;
focusBounds.Inflate(-2, -2);
ControlPaint.DrawFocusRectangle(g, focusBounds);
}
}
else
base.DrawItem(g, item, state, bounds);
}
