protected override unsafe void OnRender(Cairo.Context cr, Gtk.Widget widget, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gtk.CellRendererState flags)
{
#if GTKCORE
RenderNativeDelegate renderNativeDelegate = null;
IntPtr *ptr = (IntPtr *)((long)LookupGType().GetThresholdType().GetClassPtr() + class_abi.GetFieldOffset("render"));
if (*ptr != IntPtr.Zero)
{
renderNativeDelegate = (RenderNativeDelegate)Marshal.GetDelegateForFunctionPointer(*ptr, typeof(RenderNativeDelegate));
if (renderNativeDelegate != null)
{
IntPtr intPtr = GLib.Marshaller.StructureToPtrAlloc(background_area);
IntPtr intPtr2 = GLib.Marshaller.StructureToPtrAlloc(cell_area);
renderNativeDelegate(base.Handle, cr?.Handle ?? IntPtr.Zero, widget?.Handle ?? IntPtr.Zero, intPtr, intPtr2, (int)flags);
Marshal.FreeHGlobal(intPtr);
Marshal.FreeHGlobal(intPtr2);
}
}
#endif
if (editingRow == row)
{
return;
}
using (var graphics = new Graphics(new GraphicsHandler(widget, cr)))
{
var item = Handler.Source.GetItem(Row);
var args = new CellPaintEventArgs(graphics, cell_area.ToEto(), flags.ToEto(), item);
Handler.Callback.OnPaint(Handler.Widget, args);
}
}
protected override void Paint(sd.Graphics graphics, sd.Rectangle clipBounds, sd.Rectangle cellBounds, int rowIndex, swf.DataGridViewElementStates cellState, object value, object formattedValue, string errorText, swf.DataGridViewCellStyle cellStyle, swf.DataGridViewAdvancedBorderStyle advancedBorderStyle, swf.DataGridViewPaintParts paintParts)
{
// save graphics state to prevent artifacts in other paint operations in the grid
var state = graphics.Save();
if (!ReferenceEquals(cachedGraphicsKey, graphics) || cachedGraphics == null)
{
cachedGraphicsKey = graphics;
cachedGraphics = new Graphics(new GraphicsHandler(graphics, dispose: false));
}
else
{
((GraphicsHandler)cachedGraphics.Handler).SetInitialState();
}
graphics.PixelOffsetMode = sd.Drawing2D.PixelOffsetMode.Half;
graphics.SetClip(cellBounds);
var color = new sd.SolidBrush(cellState.HasFlag(swf.DataGridViewElementStates.Selected) ? cellStyle.SelectionBackColor : cellStyle.BackColor);
graphics.FillRectangle(color, cellBounds);
var args = new CellPaintEventArgs(cachedGraphics, cellBounds.ToEto(), cellState.ToEto(), value);
Handler.Callback.OnPaint(Handler.Widget, args);
graphics.ResetClip();
graphics.Restore(state);
}
protected override void OnPaint(CellPaintEventArgs args)
{
var item = (MyGridItem)args.Item;
if (!args.IsEditing)
{
args.Graphics.DrawText(SystemFonts.Default(), Colors.Black, args.ClipRectangle.Location, item.Text);
}
//args.Graphics.DrawLine(Colors.Blue, args.ClipRectangle.TopLeft, args.ClipRectangle.BottomRight);
}
protected override void Render(Gdk.Drawable window, Gtk.Widget widget, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gdk.Rectangle expose_area, Gtk.CellRendererState flags)
{
if (editingRow == row)
{
return;
}
using (var graphics = new Graphics(new GraphicsHandler(widget, window)))
{
var item = Handler.Source.GetItem(Row);
var args = new CellPaintEventArgs(graphics, cell_area.ToEto(), flags.ToEto(), item);
Handler.Callback.OnPaint(Handler.Widget, args);
}
}
static void drawableCell_Paint(object sender, CellPaintEventArgs e)
{
var m = e.Item as TreeGridItem;
if (m != null)
{
string text = (string)m.Values[0];
var rect = e.ClipRectangle;
rect.Width--;
rect.Height--;
e.Graphics.DrawText(SystemFonts.Label(), Colors.Black, (float)0, (float)0, text != null ? text : string.Empty);
e.Graphics.DrawLine(Colors.Blue, rect.TopLeft, rect.BottomRight);
e.Graphics.DrawLine(Colors.Blue, rect.TopRight, rect.BottomLeft);
e.Graphics.DrawRectangle(Colors.Green, rect);
}
}
public override void PaintCell(CellPaintEventArgs args)
{
}
public override void OnPaint(CellPaintEventArgs args)
{
}