/// <summary>
///
/// </summary>
/// <param name="e"></param>
internal void DrawItemInternal(DrawListViewItemEventArgs e)
{
if (base.View == View.Details)
{
return;
}
Graphics g = e.Graphics;
ListViewItem item = e.Item;
ListViewItemStates itemState = e.State;
ImageList imageList = item.ImageList;
e.DrawBackground();
bool drawImageFlag = imageList != null && (item.ImageIndex != -1 || !string.IsNullOrEmpty(item.ImageKey));
bool selectedFlag = (itemState & ListViewItemStates.Selected) != 0;
if (drawImageFlag)
{
DrawImage(g, item, selectedFlag);
}
if (!string.IsNullOrEmpty(item.Text))
{
Rectangle textRect = item.GetBounds(ItemBoundsPortion.Label);
this.DrawBackground(g, e.ItemIndex, textRect, selectedFlag);
this.DrawText(g, item, textRect, selectedFlag);
}
}
/// <summary>
/// Creates a new DrawListViewSubItemEventArgs with the given parameters.
/// </summary>
public DrawListViewSubItemEventArgs(
Graphics graphics,
Rectangle bounds,
ListViewItem?item,
ListViewItem.ListViewSubItem?subItem,
int itemIndex,
int columnIndex,
ColumnHeader?header,
ListViewItemStates itemState)
{
Graphics = graphics ?? throw new ArgumentNullException(nameof(graphics));
if (itemIndex == -1)
{
if (item is null)
{
throw new ArgumentNullException(nameof(item));
}
}
else if (subItem is null)
{
throw new ArgumentNullException(nameof(subItem));
}
Bounds = bounds;
Item = item;
SubItem = subItem;
ItemIndex = itemIndex;
ColumnIndex = columnIndex;
Header = header;
ItemState = itemState;
}
/// <summary>
/// Creates a new DrawListViewSubItemEventArgs with the given parameters.
/// </summary>
public DrawListViewSubItemEventArgs(
Graphics graphics,
Rectangle bounds,
ListViewItem?item,
ListViewItem.ListViewSubItem?subItem,
int itemIndex,
int columnIndex,
ColumnHeader?header,
ListViewItemStates itemState)
{
Graphics = graphics.OrThrowIfNull();
if (itemIndex == -1)
{
ArgumentNullException.ThrowIfNull(item);
}
else
{
ArgumentNullException.ThrowIfNull(subItem);
}
Bounds = bounds;
Item = item;
SubItem = subItem;
ItemIndex = itemIndex;
ColumnIndex = columnIndex;
Header = header;
ItemState = itemState;
}
protected override void OnDrawItem(DrawListViewItemEventArgs e)
{
//base.OnDrawItem(e);
if (base.View == View.Details)
{
return;
}
Graphics g = e.Graphics;
ListViewItem item = e.Item;
ListViewItemStates itemState = e.State;
ImageList imageList = item.ImageList;
e.DrawBackground();
bool drawImage = (imageList != null) && (item.ImageIndex != -1 || string.IsNullOrEmpty(item.ImageKey));
bool selected = (itemState & ListViewItemStates.Selected) != 0;
if (drawImage)
{
this.DrawImage(g, item, selected);
}
if (!string.IsNullOrEmpty(item.Text))
{
Rectangle textRect = item.GetBounds(ItemBoundsPortion.Label);
this.DrawBackground(g, item.Index, textRect, selected);
this.DrawText(g, item, textRect, selected);
}
}
private void HeaderPressedOffset(ref Rectangle rect, ListViewItemStates State)
{
//min rect height for SystemColors (Theme disabled)
if ((int)rect.Height > (int)15)
{
//Draw Normal
if (State == ListViewItemStates.Selected)
{
rect.Offset(3, 3);
}
else
{
rect.Offset(2, 2);
}
}
else
{
//draw a little up
if (State == ListViewItemStates.Selected)
{
rect.Offset(3, 2);
}
else
{
rect.Offset(2, 1);
}
}
}
internal void SetItemState(int index, uint data, ListViewItemStates mask)
{
var _ms_lvi = new LVITEMA();
_ms_lvi.stateMask = mask;
_ms_lvi.state = data;
SendMessage(Handle, ListViewMessages.LVM_SETITEMSTATE, index, ref _ms_lvi);
}
/// <summary>
/// Creates a new DrawListViewItemEventArgs with the given parameters.
/// </summary>
public DrawListViewItemEventArgs(Graphics graphics, ListViewItem item, Rectangle bounds, int itemIndex, ListViewItemStates state)
{
Graphics = graphics;
Item = item;
Bounds = bounds;
ItemIndex = itemIndex;
State = state;
}
/// <summary>
/// Creates a new DrawListViewItemEventArgs with the given parameters.
/// </summary>
public DrawListViewItemEventArgs(Graphics graphics, ListViewItem item, Rectangle bounds, int itemIndex, ListViewItemStates state)
{
Graphics = graphics ?? throw new ArgumentNullException(nameof(graphics));
Item = item ?? throw new ArgumentNullException(nameof(item));
Bounds = bounds;
ItemIndex = itemIndex;
State = state;
}
public void DrawFocusRectangle_HasGraphics_Success(ListViewItemStates itemState)
{
using (var image = new Bitmap(10, 10))
using (Graphics graphics = Graphics.FromImage(image))
{
var e = new DrawListViewSubItemEventArgs(graphics, new Rectangle(1, 2, 3, 4), new ListViewItem(), new ListViewItem.ListViewSubItem(), 0, 0, new ColumnHeader(), itemState);
e.DrawFocusRectangle(new Rectangle(1, 2, 3, 4));
}
}
public DrawListViewItemEventArgs(System.Drawing.Graphics graphics, ListViewItem item, Rectangle bounds, int itemIndex, ListViewItemStates state)
{
this.graphics = graphics;
this.item = item;
this.bounds = bounds;
this.itemIndex = itemIndex;
this.state = state;
this.drawDefault = false;
}
public DrawListViewItemEventArgs(Graphics graphics, ListViewItem item,
Rectangle_ bounds, int itemIndex, ListViewItemStates state)
{
this.graphics = graphics;
this.item = item;
this.bounds = bounds;
this.itemIndex = itemIndex;
this.state = state;
}
public DrawListViewItemEventArgs (Graphics graphics, ListViewItem item,
Rectangle bounds, int itemIndex, ListViewItemStates state)
{
this.graphics = graphics;
this.item = item;
this.bounds = bounds;
this.itemIndex = itemIndex;
this.state = state;
}
public DrawListViewItemEventArgs(System.Drawing.Graphics graphics, ListViewItem item, Rectangle bounds, int itemIndex, ListViewItemStates state)
{
this.graphics = graphics;
this.item = item;
this.bounds = bounds;
this.itemIndex = itemIndex;
this.state = state;
this.drawDefault = false;
}
protected override ListViewItemStates GetItemStates(ListViewItem item)
{
ListViewItemStates listViewItemStates = base.GetItemStates(item);
if ((item as DataTreeListViewItem).IsExpanded)
{
listViewItemStates |= ListViewItemStates.Marked;
}
return(listViewItemStates);
}
public DrawListViewColumnHeaderEventArgs(System.Drawing.Graphics graphics, Rectangle bounds, int columnIndex, ColumnHeader header, ListViewItemStates state, Color foreColor, Color backColor, System.Drawing.Font font)
{
this.graphics = graphics;
this.bounds = bounds;
this.columnIndex = columnIndex;
this.header = header;
this.state = state;
this.foreColor = foreColor;
this.backColor = backColor;
this.font = font;
}
public DrawListViewColumnHeaderEventArgs(System.Drawing.Graphics graphics, Rectangle bounds, int columnIndex, ColumnHeader header, ListViewItemStates state, Color foreColor, Color backColor, System.Drawing.Font font)
{
this.graphics = graphics;
this.bounds = bounds;
this.columnIndex = columnIndex;
this.header = header;
this.state = state;
this.foreColor = foreColor;
this.backColor = backColor;
this.font = font;
}
protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
{
base.OnDrawSubItem(e);
if (base.View == View.Details && e.ItemIndex != -1)
{
Rectangle bounds = e.Bounds;
ListViewItemStates itemState = e.ItemState;
Graphics graphics = e.Graphics;
GDIHelper.InitializeGraphics(graphics);
Blend blend = new Blend();
blend.Positions = new float[4]
{
0f,
0.4f,
0.7f,
1f
};
blend.Factors = new float[4]
{
0f,
0.3f,
0.8f,
0.2f
};
if ((itemState & ListViewItemStates.Selected) == ListViewItemStates.Selected)
{
Color selectedBeginColor = _SelectedBeginColor;
Color selectedEndColor = _SelectedEndColor;
selectedBeginColor = SkinManager.CurrentSkin.HeightLightControlColor.First;
selectedEndColor = SkinManager.CurrentSkin.HeightLightControlColor.Second;
blend.Factors = SkinManager.CurrentSkin.HeightLightControlColor.Factors;
blend.Positions = SkinManager.CurrentSkin.HeightLightControlColor.Positions;
GDIHelper.FillPath(graphics, new RoundRectangle(bounds, 0), selectedBeginColor, selectedEndColor, blend);
}
else
{
if (e.ColumnIndex == 0)
{
bounds.Inflate(0, -1);
}
Color selectedBeginColor = (e.ItemIndex % 2 == 0) ? _RowBackColor1 : _RowBackColor2;
Color selectedEndColor = selectedBeginColor;
GDIHelper.FillPath(graphics, new RoundRectangle(bounds, 0), selectedBeginColor, selectedEndColor, blend);
}
if (e.ColumnIndex == 0)
{
OnDrawFirstSubItem(e, graphics);
}
else
{
DrawNormalSubItem(e, graphics);
}
}
}
public DrawListViewSubItemEventArgs(System.Drawing.Graphics graphics, Rectangle bounds, ListViewItem item, ListViewItem.ListViewSubItem subItem, int itemIndex, int columnIndex, ColumnHeader header, ListViewItemStates itemState)
{
this.graphics = graphics;
this.bounds = bounds;
this.item = item;
this.subItem = subItem;
this.itemIndex = itemIndex;
this.columnIndex = columnIndex;
this.header = header;
this.itemState = itemState;
}
public DrawListViewSubItemEventArgs(System.Drawing.Graphics graphics, Rectangle bounds, ListViewItem item, ListViewItem.ListViewSubItem subItem, int itemIndex, int columnIndex, ColumnHeader header, ListViewItemStates itemState)
{
this.graphics = graphics;
this.bounds = bounds;
this.item = item;
this.subItem = subItem;
this.itemIndex = itemIndex;
this.columnIndex = columnIndex;
this.header = header;
this.itemState = itemState;
}
protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
{
if (!this.ContainsFocus && !_HideSelection)
{
ListViewItemStates status = e.Item.Selected ? ListViewItemStates.Selected : e.ItemState;
base.OnDrawSubItem(new DrawListViewSubItemEventArgs(e.Graphics, e.Bounds, e.Item, e.SubItem, e.ItemIndex, e.ColumnIndex, e.Header, status));
}
else
{
base.OnDrawSubItem(e);
}
}
/// <summary>
/// Creates a new DrawListViewSubItemEventArgs with the given parameters.
/// </summary>
public DrawListViewSubItemEventArgs(Graphics graphics, Rectangle bounds, ListViewItem item,
ListViewItem.ListViewSubItem subItem, int itemIndex, int columnIndex,
ColumnHeader header, ListViewItemStates itemState)
{
Graphics = graphics;
Bounds = bounds;
Item = item;
SubItem = subItem;
ItemIndex = itemIndex;
ColumnIndex = columnIndex;
Header = header;
ItemState = itemState;
}
/// <summary>
/// Creates a new DrawListViewColumnHeaderEventArgs with the given parameters.
/// </summary>
public DrawListViewColumnHeaderEventArgs(Graphics graphics, Rectangle bounds, int columnIndex,
ColumnHeader header, ListViewItemStates state,
Color foreColor, Color backColor, Font font)
{
Graphics = graphics;
Bounds = bounds;
ColumnIndex = columnIndex;
Header = header;
State = state;
ForeColor = foreColor;
BackColor = backColor;
Font = font;
}
public DrawListViewColumnHeaderEventArgs(Graphics graphics, Rectangle bounds, int columnIndex,
ColumnHeader header, ListViewItemStates state,
Color foreColor, Color backColor, Font font)
{
Graphics = graphics ?? throw new ArgumentNullException(nameof(graphics));
Bounds = bounds;
ColumnIndex = columnIndex;
Header = header;
State = state;
ForeColor = foreColor;
BackColor = backColor;
Font = font;
}
protected override void OnDrawItem(DrawListViewItemEventArgs e)
{
base.FullRowSelect = _FullRowSelect;
if (!this.ContainsFocus && !_HideSelection)
{
ListViewItemStates status = e.Item.Selected ? ListViewItemStates.Selected : e.State;
base.OnDrawItem(new DrawListViewItemEventArgs(e.Graphics, e.Item, e.Bounds, e.ItemIndex, status));
}
else
{
base.OnDrawItem(e);
}
}
protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
{
base.OnDrawSubItem(e);
if (View != View.Details || e.ItemIndex == -1)
{
return;
}
Rectangle bounds = e.Bounds;
ListViewItemStates itemState = e.ItemState;
Graphics g = e.Graphics;
GDIHelper.InitializeGraphics(g);
Blend blen = new Blend();
blen.Positions = new float[] { 0f, 0.4f, 0.7f, 1f };
blen.Factors = new float[] { 0f, 0.3f, 0.8f, 0.2f };
Color c1, c2;
if ((itemState & ListViewItemStates.Selected) == ListViewItemStates.Selected)
{
c1 = this._SelectedBeginColor;
c2 = this._SelectedEndColor;
//使用全局皮肤色彩，注意选择文字需要反色处理
c1 = SkinManager.CurrentSkin.HeightLightControlColor.First;
c2 = SkinManager.CurrentSkin.HeightLightControlColor.Second;
blen.Factors = SkinManager.CurrentSkin.HeightLightControlColor.Factors;
blen.Positions = SkinManager.CurrentSkin.HeightLightControlColor.Positions;
GDIHelper.FillPath(g, new RoundRectangle(bounds, 0), c1, c2, blen);
}
else
{
if (e.ColumnIndex == 0)
{
bounds.Inflate(0, -1);
}
c1 = e.ItemIndex % 2 == 0 ? this._RowBackColor1 : this._RowBackColor2;
c2 = c1;
GDIHelper.FillPath(g, new RoundRectangle(bounds, 0), c1, c2, blen);
}
if (e.ColumnIndex == 0)
{
this.OnDrawFirstSubItem(e, g);
}
else
{
this.DrawNormalSubItem(e, g);
}
}
protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
{
base.OnDrawSubItem(e);
if (View != View.LargeIcon)
{
return;
}
if (e.ItemIndex == -1)
{
return;
}
Rectangle bounds = e.Bounds;
ListViewItemStates itemState = e.ItemState;
Graphics g = e.Graphics;
TextFormatFlags flags = TextFormatFlags.EndEllipsis | TextFormatFlags.VerticalCenter;
if ((itemState & ListViewItemStates.Selected) == ListViewItemStates.Selected)
{
}
else
{
Rectangle imageRect = new Rectangle(bounds.X + 4, bounds.Y + 2, bounds.Height - 4, bounds.Height - 4);
Image image = e.Item.ImageIndex == -1 ? null : e.Item.ImageList.Images[e.Item.ImageIndex];
if (image == null)
{
e.DrawText(flags);
return;
}
g.DrawImage(image, imageRect);
Rectangle textRect = new Rectangle(imageRect.Right + 3, bounds.Y, bounds.Width - imageRect.Right - 3, bounds.Height);
TextRenderer.DrawText(g, e.Item.Text, e.Item.Font, textRect, e.Item.ForeColor, flags);
return;
}
e.DrawText(flags);
}
private bool IsInState(ListViewItemStates currentState, ListViewItemStates testState)
{
return ((currentState & testState) == testState);
}
private void DrawListViewItem(Graphics g, ListViewItem item, ColumnHeader header, Font font, Color color, ListViewItemStates state)
{
bool hasImage = HasImage(item);
// Draw Image if any
if (hasImage && (header == null || header.Width > 4))
{
Rectangle rImage = item.GetBounds(ItemBoundsPortion.Icon);
int index = item.ImageIndex;
if (index < 0)
index = item.ImageList.Images.IndexOfKey(item.ImageKey);
if (this.View != View.Details && this.View != View.List && this.StateImageList != null)
rImage.X += this.StateImageList.ImageSize.Width + 3;
else if (this.View == View.SmallIcon && this.CheckBoxes && this.Groups.Count == 0)
rImage.X += this.SmallImageList.ImageSize.Width;
else if (this.View == View.LargeIcon && (item.ImageList.ImageSize.Width < rImage.Width || item.ImageList.ImageSize.Height < rImage.Height))
{
if (item.ImageList.ImageSize.Width < rImage.Width)
rImage.X += (rImage.Width - item.ImageList.ImageSize.Width) / 2;
if (item.ImageList.ImageSize.Height < rImage.Height)
rImage.Y += (rImage.Height - item.ImageList.ImageSize.Height) / 2;
}
Region oldClip = null;
if (header != null && header.Width < rImage.Width)
{
Rectangle rClip = rImage;
rClip.Width = header.Width;
oldClip = g.Clip;
g.SetClip(rClip);
}
if (rImage.Width > 2)
{
g.DrawImage(item.ImageList.Images[index], rImage.Location); // item.ImageList.Draw(g, rImage.Location, index);
}
if (oldClip != null) g.Clip = oldClip;
}
// Draw text
Rectangle rText = item.GetBounds(ItemBoundsPortion.Label);
if (rText.Width > 2)
{
// Draw the item text for views other than the Details view.
eTextFormat flags = eTextFormat.Left | eTextFormat.SingleLine | eTextFormat.NoPrefix;
if (this.View == View.Tile && item.SubItems.Count > 1)
flags |= eTextFormat.Top;
else
flags |= eTextFormat.VerticalCenter;
if (this.View == View.LargeIcon)
{
flags = eTextFormat.HorizontalCenter | eTextFormat.WordBreak | eTextFormat.EndEllipsis | eTextFormat.NoClipping;
}
else if (this.View == View.Details && header != null)
{
flags |= eTextFormat.EndEllipsis;
if (header.TextAlign == HorizontalAlignment.Center)
flags |= eTextFormat.HorizontalCenter;
else if (header.TextAlign == HorizontalAlignment.Right)
flags |= eTextFormat.Right;
rText.X += 2;
}
else if (this.View == View.List || this.View == View.SmallIcon)
rText.X += 2;
if (!BarFunctions.IsVista) rText.Inflate(0, 1);
TextDrawing.DrawString(g, item.Text, font, color, rText, flags);
if (this.View == View.Tile && item.SubItems.Count > 1)
{
Size sz = TextDrawing.MeasureString(g, item.Text, font);
rText.Y += sz.Height;
rText.Height -= sz.Height;
Color c1 = item.SubItems[1].ForeColor;
if (!c1.IsEmpty && c1 != color)
color = c1;
else
color = SystemColors.ControlDarkDark;
TextDrawing.DrawString(g, item.SubItems[1].Text, font, color, rText, flags);
}
}
if (this.View == View.Details || this.StateImageList != null)
{
if (this.StateImageList != null)
{
if (item.StateImageIndex >= 0 && item.StateImageIndex < this.StateImageList.Images.Count)
{
Rectangle r = item.GetBounds(ItemBoundsPortion.Icon);
if (this.View == View.Details || this.View == View.List)
r.X -= 19;
else if (this.View == View.LargeIcon && r.Width > this.StateImageList.ImageSize.Width)
{
r.X += (r.Width - this.StateImageList.ImageSize.Width) / 2;
r.Y++;
}
else if (this.View == View.Tile && r.Height > this.StateImageList.ImageSize.Height)
{
r.Y += (r.Height - this.StateImageList.ImageSize.Height) / 2;
r.X++;
}
this.StateImageList.Draw(g, r.Location, item.StateImageIndex);
}
}
}
if (this.CheckBoxes && (this.View == View.Details || this.View == View.List || this.View == View.SmallIcon || this.View == View.LargeIcon) && this.StateImageList == null)
{
Rectangle r = item.GetBounds(ItemBoundsPortion.Icon);
if (this.View == View.LargeIcon)
r.X += (r.Width - m_CheckSignSize.Width) / 2 - 4;
else if (this.View == View.List)
r.X -= 18;
else if (this.View == View.SmallIcon && hasImage && this.Groups.Count > 0)
r.X -= 20;
else if (this.View == View.SmallIcon)
r.X -= 3;
else
r.X -= 21;
Office2007CheckBoxItemPainter p = PainterFactory.CreateCheckBoxItemPainter(null);
Office2007CheckBoxColorTable ctt = GetCheckBoxColorTable();
Office2007CheckBoxStateColorTable ct = ctt.Default;
if ((state & ListViewItemStates.Grayed) != 0 || !this.Enabled)
ct = ctt.Disabled;
//else if ((state & ListViewItemStates.Hot) != 0)
// ct = ctt.MouseOver;
p.PaintCheckBox(g, new Rectangle(r.X + 4, r.Y + (r.Height - m_CheckSignSize.Height) / 2, m_CheckSignSize.Width, m_CheckSignSize.Height),
ct, item.Checked ? CheckState.Checked : CheckState.Unchecked);
}
}
private void PaintSubItem(Graphics g, ListViewItem.ListViewSubItem subitem, Rectangle r, ListViewItemStates state, ColumnHeader header, Color itemBackColor, int columnIndex)
{
if (!IsInState(state, ListViewItemStates.Selected) && this.Enabled)
{
Rectangle rFill = r;
//rFill.Height++;
if (!subitem.BackColor.IsEmpty /*&& !(subitem.BackColor == this.BackColor && !itemBackColor.IsEmpty)*/)
{
using (SolidBrush brush = new SolidBrush(subitem.BackColor))
g.FillRectangle(brush, rFill);
}
else if (!itemBackColor.IsEmpty)
{
using (SolidBrush brush = new SolidBrush(itemBackColor))
g.FillRectangle(brush, rFill);
}
}
eTextFormat flags = eTextFormat.Left | eTextFormat.SingleLine | eTextFormat.VerticalCenter | eTextFormat.EndEllipsis | eTextFormat.NoClipping | eTextFormat.NoPrefix;
if (header != null)
{
if (header.TextAlign == HorizontalAlignment.Center)
flags |= eTextFormat.HorizontalCenter;
else if (header.TextAlign == HorizontalAlignment.Right)
flags |= eTextFormat.Right;
}
Color foreColor = subitem.ForeColor;
if (IsInState(state, ListViewItemStates.Selected) && this.Enabled && (columnIndex == 0 || this.FullRowSelect))
{
Office2007ListViewColorTable ct = GetColorTable();
if (!ct.SelectionForeColor.IsEmpty)
foreColor = ct.SelectionForeColor;
}
if (!this.Enabled) foreColor = _DisabledForeColor.IsEmpty ? SystemColors.ControlDark : _DisabledForeColor;
Rectangle rText = Rectangle.Inflate(r, -2, BarFunctions.IsVista ? 0 : 1); // Rectangle.Inflate(r, -sz.Width, 0);
TextDrawing.DrawString(g, subitem.Text, subitem.Font, foreColor, rText, flags);
}
public void DrawListViewItemEventArgs_DrawFocusRectangle_HasGraphicsFocused_Success(ListViewItem item, Rectangle bounds, ListViewItemStates state)
{
using (var image = new Bitmap(10, 10))
using (Graphics graphics = Graphics.FromImage(image))
{
var e = new DrawListViewItemEventArgs(graphics, item, bounds, -1, state);
e.DrawFocusRectangle();
}
}
public void DrawListViewItemEventArgs_Ctor_Graphics_ListViewItem_Rectangle_Int_ListViewItemStates(Rectangle bounds, int itemIndex, ListViewItemStates state)
{
using (var image = new Bitmap(10, 10))
using (Graphics graphics = Graphics.FromImage(image))
{
var item = new ListViewItem();
var e = new DrawListViewItemEventArgs(graphics, item, bounds, itemIndex, state);
Assert.Same(graphics, e.Graphics);
Assert.Same(item, e.Item);
Assert.Equal(bounds, e.Bounds);
Assert.Equal(itemIndex, e.ItemIndex);
Assert.Equal(state, e.State);
Assert.False(e.DrawDefault);
}
}
internal ListViewItemStateEventArgs(ListView owner, int itemIndex, ListViewItemStates state) : base(owner, itemIndex)
{
this.FState = state;
}
private void DrawItemBackground(Graphics g, Rectangle r, ListViewItem item, ListViewItemStates state)
{
if (!this.Enabled) return;
// Bug fix in ListView for this specific state
if (state == 0 && item.Selected && this.View == View.Details && this.FullRowSelect && this.Focused)
r.X++;
if (!item.BackColor.IsEmpty)
{
using (SolidBrush brush = new SolidBrush(item.BackColor))
{
g.FillRectangle(brush, r);
}
}
bool selected = IsInState(state, ListViewItemStates.Selected) || state == 0 && item.Selected;
if (selected)
{
Office2007ListViewColorTable ct = GetColorTable();
// Draw the background for selected item.
r.Height--;
r.Width--;
using (Pen pen = new Pen(ct.SelectionBorder))
g.DrawRectangle(pen, r);
r.Height++;
r.Width++;
Rectangle ir = new Rectangle(r.X, r.Y + 1, r.Width, r.Height - 2);
DisplayHelp.FillRectangle(g, ir, ct.SelectionBackground);
}
else if (IsInState(state, ListViewItemStates.Hot) && this.HotTracking)
{
Office2007Renderer rnd = this.GetRenderer() as Office2007Renderer;
Office2007ButtonItemPainter.PaintBackground(g, rnd.ColorTable.ButtonItemColors[0].MouseOver, r, RoundRectangleShapeDescriptor.RectangleShape);
}
if (IsInState(state, ListViewItemStates.Focused) && (!IsInState(state, ListViewItemStates.Hot) && this.View != View.LargeIcon || selected))
{
Rectangle rFocus = item.Bounds;
if (this.View == View.Details && !this.FullRowSelect || this.View == View.List)
rFocus = item.GetBounds(ItemBoundsPortion.Label);
else if (this.View == View.Details && this.FullRowSelect)
rFocus = r;
else if (this.View == View.SmallIcon)
rFocus = r;
if (selected)
{
rFocus.Y++;
rFocus.Height -= 2;
}
DrawFocusRectangle(g, rFocus, item);
}
else if (selected && this.View == View.Details && this.FullRowSelect && this.Focused) // Bug fix in ListView for this specific state
{
Rectangle rFocus = r;
rFocus.Y++;
rFocus.Height -= 2;
Region oldClip = g.Clip;
Rectangle rClip = rFocus;
rClip.Width--;
g.SetClip(rClip);
DrawFocusRectangle(g, rFocus, item);
g.Clip = oldClip;
}
}
internal PostDrawListViewItemEventArgs(System.Drawing.Graphics g, ListView owner, int itemIndex, Rectangle bounds, ListViewItemStates state) : base(owner, itemIndex, state)
{
this.FGraphics = g;
this.FBounds = bounds;
}
public DrawListViewColumnHeaderEventArgs(Graphics graphics, Rectangle bounds, int columnIndex, ColumnHeader header, ListViewItemStates state, Color foreColor, Color backColor, Font font)
{
throw null;
}
internal PostDrawListViewSubItemEventArgs(Graphics g, ListView owner, int itemIndex, int subItemIndex, Rectangle bounds, ListViewItemStates state) : base(g, owner, itemIndex, bounds, state)
{
this.FSubItemIndex = subItemIndex;
}
// Constructors
public DrawListViewColumnHeaderEventArgs(System.Drawing.Graphics graphics, System.Drawing.Rectangle bounds, int columnIndex, ColumnHeader header, ListViewItemStates state, System.Drawing.Color foreColor, System.Drawing.Color backColor, System.Drawing.Font font)
{
}
private void UpdateStateBit(object o, FieldInfo f, bool itemSelected, ListViewItemStates currentState)
{
bool stateSelected = (currentState & ListViewItemStates.Selected) != 0;
if (itemSelected != stateSelected)
{
ListViewItemStates newState = currentState;
if (itemSelected)
{
newState |= ListViewItemStates.Selected;
}
else
{
newState &= ~(ListViewItemStates.Selected);
}
try
{
f.SetValue(o, newState);
}
catch { }
}
}
protected virtual bool DrawListViewSubItemOwnerDraw (Graphics dc, ListViewItem item, ListViewItemStates state, int index)
{
ListView control = item.ListView;
ListViewItem.ListViewSubItem subitem = item.SubItems [index];
DrawListViewSubItemEventArgs args = new DrawListViewSubItemEventArgs (dc, subitem.Bounds, item,
subitem, item.Index, index, control.Columns [index], state);
control.OnDrawSubItem (args);
return !args.DrawDefault;
}
protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
{
//base.OnDrawSubItem(e);
if (e.ItemIndex == -1)
{
return;
}
if (base.View == View.Details)
{
Rectangle bounds = e.Bounds;
ListViewItemStates itemState = e.ItemState;
Graphics g = e.Graphics;
ListViewItem item = e.Item;
bool selected = (itemState & ListViewItemStates.Selected) != 0;
bool drawImage = false;
bool fistItem = false;
int imageIndex = -1;
if (e.ColumnIndex == 0)
{
fistItem = true;
if (item.ImageList != null)
{
if (item.ImageIndex != -1)
{
imageIndex = item.ImageIndex;
}
else if (!string.IsNullOrEmpty(item.ImageKey))
{
imageIndex = item.ImageList.Images.IndexOfKey(item.ImageKey);
}
if (imageIndex != -1)
{
drawImage = true;
}
}
}
Rectangle backRect = bounds;
Rectangle imageRect = Rectangle.Empty;
if (drawImage)
{
imageRect = item.GetBounds(ItemBoundsPortion.Icon);
backRect = item.GetBounds(ItemBoundsPortion.Label);
backRect.X += 2;
backRect.Width -= 2;
}
Color textColor = Color.Black;
if (selected && (base.FullRowSelect || (!base.FullRowSelect && fistItem)))
{
backRect.Height--;
Color innerBorderColor = Color.FromArgb(150, 255, 255, 255);
//绘制选中区域
Image image = this.ItemBackgroundImage;
g.DrawImage(image, backRect, 0, 0, 5, image.Height, GraphicsUnit.Pixel);
g.DrawImage(image, backRect, 5, 0, image.Width - 10, image.Height, GraphicsUnit.Pixel);
g.DrawImage(image, backRect, image.Width - 5, 0, 5, image.Height, GraphicsUnit.Pixel);
textColor = Color.White;
}
else
{
using (SolidBrush brush = new SolidBrush(this._itemBackgroundColor))
{
g.FillRectangle(brush, backRect);
}
}
TextFormatFlags flags = this.GetFormatFlags(e.Header.TextAlign);
if (drawImage)//如果绘制图像
{
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBilinear;
if (selected)
{
IntPtr hIcon = WinAPIDllImport.ImageList_GetIcon(item.ImageList.Handle, imageIndex, (int)ImageListDrawFlags.ILD_SELECTED);
g.DrawIcon(Icon.FromHandle(hIcon), imageRect.X, imageRect.Y + 2);
WinAPIDllImport.DestroyIcon(hIcon);
}
else
{
Image image = item.ImageList.Images[imageIndex];
g.DrawImage(image, imageRect.X, imageRect.Y + 2);
}
Rectangle textRect = new Rectangle(imageRect.Right + 3, bounds.Y, bounds.Width - imageRect.Right - 3, bounds.Height);
TextRenderer.DrawText(g, item.Text, item.Font, textRect, textColor, flags);
}
else
{
bounds.X += 3;
TextRenderer.DrawText(g, e.SubItem.Text, e.SubItem.Font, bounds, textColor, flags);
}
if (base.CheckBoxes)
{
if (e.Item.SubItems[0] == e.SubItem)
{
Size sizeCheckBox = CheckBoxRenderer.GetGlyphSize(e.Graphics, e.Item.Checked ? System.Windows.Forms.VisualStyles.CheckBoxState.CheckedNormal : System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedNormal);
Point checkBoxPoint = new Point(e.Bounds.X, e.Bounds.Top + 10);
CheckBoxRenderer.DrawCheckBox(e.Graphics, checkBoxPoint, e.Item.Checked ? System.Windows.Forms.VisualStyles.CheckBoxState.CheckedNormal : System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedNormal);
}
}
}
}
internal void SetItemState(int index, uint data, ListViewItemStates mask)
{
LVITEMA _ms_lvi = new LVITEMA();
_ms_lvi.stateMask = mask;
_ms_lvi.state = data;
SendMessage(this.Handle, ListViewMessages.LVM_SETITEMSTATE, index, ref _ms_lvi);
}
public void Ctor_Graphics_ListViewItem_Rectangle_Int_ListViewItemStates(Graphics graphics, ListViewItem item, Rectangle bounds, int itemIndex, ListViewItemStates state)
{
var e = new DrawListViewItemEventArgs(graphics, item, bounds, itemIndex, state);
Assert.Equal(graphics, e.Graphics);
Assert.Equal(item, e.Item);
Assert.Equal(bounds, e.Bounds);
Assert.Equal(itemIndex, e.ItemIndex);
Assert.Equal(state, e.State);
Assert.False(e.DrawDefault);
}
internal GetItemColorsEventArgs(ListView owner, int itemIndex, ListViewItemStates state, Color backColor, Color foreColor) : base(owner, itemIndex, state)
{
this.BackColor = backColor;
this.ForeColor = foreColor;
}
// Constructors
public DrawListViewSubItemEventArgs(System.Drawing.Graphics graphics, System.Drawing.Rectangle bounds, ListViewItem item, ListViewSubItem subItem, int itemIndex, int columnIndex, ColumnHeader header, ListViewItemStates itemState) {}
public void DrawListViewItemEventArgs_DrawText_InvokeTextFormatFlags(ListViewItem item, Rectangle bounds, ListViewItemStates state)
{
using (var image = new Bitmap(10, 10))
using (Graphics graphics = Graphics.FromImage(image))
{
var e = new DrawListViewItemEventArgs(graphics, item, bounds, -1, state);
e.DrawText(TextFormatFlags.Bottom);
}
}
// Constructors
public DrawListViewColumnHeaderEventArgs(System.Drawing.Graphics graphics, System.Drawing.Rectangle bounds, int columnIndex, ColumnHeader header, ListViewItemStates state, System.Drawing.Color foreColor, System.Drawing.Color backColor, System.Drawing.Font font) {}
public void DrawListViewColumnHeaderEventArgs_DrawBackground_Invoke_Success(Rectangle bounds, ColumnHeader header, ListViewItemStates state, Color foreColor, Color backColor, Font font)
{
using (var image = new Bitmap(10, 10))
using (Graphics graphics = Graphics.FromImage(image))
{
var e = new DrawListViewColumnHeaderEventArgs(graphics, bounds, -1, header, state, foreColor, backColor, font);
e.DrawBackground();
}
}
// Constructors
public DrawListViewItemEventArgs(System.Drawing.Graphics graphics, ListViewItem item, System.Drawing.Rectangle bounds, int itemIndex, ListViewItemStates state) {}
