void DoHeaderCustomDrawing(ref Message m)
{
NMCUSTOMDRAW nmcd = (NMCUSTOMDRAW)m.GetLParam(typeof(NMCUSTOMDRAW));
using (Graphics g = Graphics.FromHdc(nmcd.hdc))
{
Rectangle rc = GetHeaderCtrlRect();
rc = GetHeaderItemRect(nmcd.dwItemSpec);
int itemRight = rc.Left + rc.Width;
g.FillRectangle(new SolidBrush(SystemColors.ScrollBar), rc.Left, rc.Top, rc.Width, rc.Height);
if (nmcd.dwItemSpec == PressedHeaderItem && !IsCursorOnDivider() && Tracking == false)
{
PressedHeaderItem = -1;
rc.Inflate(-1, -1);
g.FillRectangle(new SolidBrush(ColorUtil.VSNetPressedColor), rc.Left, rc.Top, rc.Width, rc.Height);
}
else
{
ControlPaint.DrawBorder3D(g, rc.Left, rc.Top, rc.Width,
rc.Height - 1, Border3DStyle.RaisedInner, Border3DSide.All);
}
string text = GetHeaderItemText(nmcd.dwItemSpec);
Debug.WriteLine(text);
Size textSize = TextUtil.GetTextSize(g, text, Font);
int gap = 4;
Point pos = new Point(rc.Left + gap, rc.Top + ((rc.Height - textSize.Height) / 2));
int headerImageIndex;
if (headerIconsList != null && HasHeaderImage(nmcd.dwItemSpec, out headerImageIndex))
{
if (headerImageIndex != -1)
{
Image image = headerImageList.Images[headerImageIndex];
if (image != null)
{
g.DrawImage(headerImageList.Images[headerImageIndex], rc.Left + gap, rc.Top);
pos.X += IMAGE_WIDTH;
rc.Width = rc.Width - IMAGE_WIDTH;
}
}
}
// Draw arrow glyph
if (nmcd.dwItemSpec == lastSortedColumn)
{
int Left = pos.X + 2;
Left += textSize.Width + TEXT_TO_ARROW_GAP;
Rectangle arrowRect = new Rectangle(Left, rc.Top, ARROW_WIDTH, rc.Height);
if (itemRight >= (Left + ARROW_WIDTH + 4))
{
if (Sorting == SortOrder.Ascending || Sorting == SortOrder.None)
{
DrawUpArrow(g, arrowRect);
}
else
{
DrawDownArrow(g, arrowRect);
}
}
}
// I use the Windows API instead of the Graphics object to draw the string
// because the Graphics object draws ellipes without living blank spaces in between
// the DrawText API adds those blank spaces in between
int ellipsingTringgering = 8;
Rectangle drawRect = new Rectangle(pos.X + 2, pos.Y, rc.Width - gap - ellipsingTringgering, rc.Height);
TextUtil.DrawText(g, text, Font, drawRect);
}
m.Result = (IntPtr)CustomDrawReturnFlags.CDRF_SKIPDEFAULT;
}
void DoListCustomDrawing(ref Message m)
{
NMLVCUSTOMDRAW lvcd = (NMLVCUSTOMDRAW)m.GetLParam(typeof(NMLVCUSTOMDRAW));
int row = lvcd.nmcd.dwItemSpec;
int col = lvcd.iSubItem;
// If we don't have any items we must be doing something wrong
// because the list is only going to request custom drawing of items
// in the list, if we have items in the list, the Items cannot possibly
// be zero
Debug.Assert(Items.Count != 0);
ListViewItem lvi = Items[row];
Rectangle rc = GetSubItemRect(row, col);
// Draw the item
// We did not need to actually paint the items that are not selected
// but doing all the painting ourselves eliminates some random bugs where
// the list sometimes did not update a subitem that was not selected anymore
// leaving the subitem with a different background color
// than the rest of the row
using (Graphics g = Graphics.FromHdc(lvcd.nmcd.hdc))
{
// Draw Fill Rectangle
if (IsRowSelected(row))
{
int subItemOffset = 2;
if (GridLines)
{
subItemOffset = 3;
}
g.FillRectangle(new SolidBrush(ColorUtil.VSNetSelectionColor), rc.Left + 1, rc.Top + 1, rc.Width - 2, rc.Height - subItemOffset);
// Draw Border
if (col == 0)
{
Color borderColor = SystemColors.Highlight;
int heightOffset = 1;
if (GridLines)
{
heightOffset = 2;
}
g.DrawRectangle(new Pen(borderColor), rc.Left + 1, rc.Top, rc.Width - 2, rc.Height - heightOffset);
}
}
else
{
if (col == lastSortedColumn)
{
if (col == 0)
{
rc = AdjustFirstItemRect(rc);
}
g.FillRectangle(new SolidBrush(Color.FromArgb(247, 247, 247)), rc.Left, rc.Top, rc.Width, rc.Height);
}
else
{
if (col == 0)
{
rc = AdjustFirstItemRect(rc);
}
g.FillRectangle(new SolidBrush(SystemColors.Window), rc.Left, rc.Top, rc.Width, rc.Height);
}
}
// Adjust rectangle, when getting the rectangle for column zero
// the rectangle return is the one for the whole control
if (col == 0)
{
rc = AdjustFirstItemRect(rc);
}
// Draw Text
string text = GetSubItemText(row, col);
Size textSize = TextUtil.GetTextSize(g, text, Font);
int gap = 4;
Point pos = new Point(rc.Left + gap, rc.Top + ((rc.Height - textSize.Height) / 2));
// I use the Windows API instead of the Graphics object to draw the string
// because the Graphics object draws ellipes without living blank spaces in between
// the DrawText API adds those blank spaces in between
int ellipsingTringgering = 8;
if (CheckBoxes && col == 0)
{
// draw checkbox
int checkIndex = 0;
if (lvi.Checked)
{
checkIndex = 1;
}
g.DrawImage(checkBoxesImageList.Images[checkIndex], rc.Left + gap, rc.Top);
pos.X += IMAGE_WIDTH;
rc.Width = rc.Width - IMAGE_WIDTH;
}
else if (col == 0 && CheckBoxes == false && lvi.ImageIndex != -1 && lvi.ImageList != null)
{
ImageList imageList = lvi.ImageList;
Image image = imageList.Images[lvi.ImageIndex];
if (image != null)
{
g.DrawImage(imageList.Images[lvi.ImageIndex], rc.Left + gap, rc.Top);
pos.X += IMAGE_WIDTH;
rc.Width = rc.Width - IMAGE_WIDTH;
}
}
Rectangle drawRect = new Rectangle(pos.X + 2, pos.Y, rc.Width - gap - ellipsingTringgering, rc.Height);
TextUtil.DrawText(g, text, Font, drawRect);
}
// Put structure back in the message
Marshal.StructureToPtr(lvcd, m.LParam, true);
m.Result = (IntPtr)CustomDrawReturnFlags.CDRF_SKIPDEFAULT;
}