//protected override void OnRender(Gdi graphics, Rectangle rect)
//{
// //base.OnRender(graphics, rect);
// //// Draw a back color
// //if (this.BackgroundColor != null)
// //{
// // //using (Brush brush = new SolidBrush(BackgroundColor))
// // //{
// // // graphics.FillRectangle(brush, new Rectangle(this.Left, this.Top, this.Height, this.Width));
// // //}
// // graphics.FillRect(Rectangle, BackgroundColor);
// //}
// // Pass the graphics objects to all UI elements
// for (int i = 0; i < _children.Count; i++)
// {
// UIElementBase element = _children[i];
// if (element.Visible)
// {
// //int y = 0;
// //if (!(Host is Form))
// //{
// // y += Host.Top;
// //}
// //Rectangle elementRect = new Rectangle(Host.Left + element.Left,
// // y + element.Top,
// // element.Width,
// // element.Height);
// if (IsVisibleOnRect(element.Rectangle, rect))
// {
// //element.Render(graphics, elementRect);
// element.Render(graphics, element.Rectangle);
// }
// }
// }
//}
protected override void OnRender(Gdi graphics, Rectangle rect)
{
//base.OnRender(graphics, rect);
//// Draw a back color
//if (this.BackgroundColor != null)
//{
// //using (Brush brush = new SolidBrush(BackgroundColor))
// //{
// // graphics.FillRectangle(brush, new Rectangle(this.Left, this.Top, this.Height, this.Width));
// //}
// graphics.FillRect(Rectangle, BackgroundColor);
//}
// Pass the graphics objects to all UI elements
if (!_layouted)
{
for (int i = 0; i < _children.Count; i++)
{
UIElementBase element = _children[i];
if (element.Visible)
{
if (element.Rectangle.IntersectsWith(rect))
{
element.Render(graphics, element.Rectangle);
}
}
}
}
}
protected override void OnMouseUp(MouseEventArgs e)
{
while (_mouseDownObjects.Count > 0)
{
UIElementBase element = _mouseDownObjects[0];
if (element.HitTest(new Point(e.X, e.Y)))
{
element.OnMouseUp(e);
}
else
{
element.Focus(false);
}
if (_mouseDownObjects.Contains(element))
{
_mouseDownObjects.Remove(element);
}
}
//foreach (UIElementBase element in _mouseDownObjects)
//{
// if (element.HitTest(new Point(e.X, e.Y)))
// {
// element.OnMouseUp(e);
// }
// else
// element.Focus(false);
//}
//_mouseDownObjects.Clear();
}
public void Render(Gdi gMem, Rectangle rClip, int yListOffset)
{
// Pass the graphics objects to all UI elements
for (int i = 0; i < _children.Count; i++)
{
UIElementBase element = _children[i];
if (element.Visible)
{
int y = -yListOffset;
if (!(Host is Form))
{
y += Host.Top;
}
Rectangle elementRect = new Rectangle(Host.Left + element.Left,
y + element.Top,
element.Width,
element.Height);
if (IsVisibleOnRect(elementRect, rClip))
{
element.Render(gMem, elementRect);
}
}
}
}
internal void InvalidateChild(UIElementBase element)
{
if (this._host != null)
{
Host.Invalidate(element.Rectangle);
}
}
public void OnInvalidate(UIElementBase element)
{
if (this.Invalidate != null)
{
this.Invalidate(element, null);
}
}
public static void UIInvalidate(UIElementBase sender)
{
//Point origin = Point.Empty;
//UIElementBase parent = sender;
//while (!(parent is UIViewBase) && parent != null)
//{
//origin.X += parent.Left;
//origin.Y += parent.Top;
//parent = parent.Parent;
//}
//UIViewBase host = parent as UIViewBase;
//if (host != null)
//host.UIInvalidate(new Rectangle(origin.X, origin.Y, sender.Width, sender.Height));
}
protected Control FindHost()
{
UIElementBase parent = this.Parent;
while (parent != null)
{
if (parent is Canvas)
{
return(((Canvas)parent).Host);
}
parent = parent.Parent;
}
return(null);
}
/// <summary>
/// Перерасчет Размеров и расположения UI контролов на форме в зависимости от расширения
/// </summary>
public void RecalcDPIScaling()
{
if (UISettings.ScreenDPI <= 96)
{
return;
}
for (int i = 0; i < _children.Count; i++)
{
UIElementBase element = _children[i];
Point loc = new Point(UISettings.CalcPix(element.Left), UISettings.CalcPix(element.Top));
Size size = new Size(UISettings.CalcPix(element.Width), UISettings.CalcPix(element.Height));
element.Location = loc;
element.Size = size;
}
}
void Host_Resize(object sender, EventArgs e)
{
if (!_layouted)
{
Size sizeDiff = new Size(_host.Size.Width - _hostSize.Width, _host.Size.Height - _hostSize.Height);
for (int i = 0; i < _children.Count; i++)
{
UIElementBase element = _children[i];
Rectangle rec = new Rectangle(element.Left, element.Top, element.Width, element.Height);
if (IsAnchored(element.Anchor, AnchorStyles.Right))
{
if (IsAnchored(element.Anchor, AnchorStyles.Left))
{
rec.Width += sizeDiff.Width;
}
else
{
rec.X += sizeDiff.Width;
}
}
if (IsAnchored(element.Anchor, AnchorStyles.Bottom))
{
if (IsAnchored(element.Anchor, AnchorStyles.Top))
{
rec.Height += sizeDiff.Height;
}
else
{
rec.Y += sizeDiff.Height;
}
}
if (element.Anchor != 0)
{
if (rec.X != element.Left || rec.Y != element.Top)
{
element.Location = rec.Location;
}
if (rec.Width != element.Width || rec.Height != element.Height)
{
element.Size = rec.Size;
}
}
}
}
_hostSize = _host.Size;
}
public void OnInvalidate(UIElementBase element)
{
if (this.Invalidate != null)
{
this.Invalidate(element, null);
}
}
//public abstract void Dispose();
public virtual void Dispose()
{
_parent = null;
}
//public abstract void Dispose();
public virtual void Dispose()
{
_parent = null;
}
