public override void SetBounds(System.Drawing.Rectangle bounds)
{
base.SetBounds(bounds);
#region Assign control buttons bounds
if (ScrollType != ListScrollType.Scrollbar)
{
#region Custom Buttons
int cbtns = 3; // Canvas is RibbonDropDown ? 2 : 3;
int buttonHeight = bounds.Height / cbtns;
int buttonWidth = _controlButtonsWidth;
_buttonUpBounds = Rectangle.FromLTRB(bounds.Right - buttonWidth,
bounds.Top, bounds.Right, bounds.Top + buttonHeight);
_buttonDownBounds = Rectangle.FromLTRB(_buttonUpBounds.Left, _buttonUpBounds.Bottom,
bounds.Right, _buttonUpBounds.Bottom + buttonHeight);
if (cbtns == 2)
{
_buttonDropDownBounds = Rectangle.Empty;
}
else
{
_buttonDropDownBounds = Rectangle.FromLTRB(_buttonDownBounds.Left, _buttonDownBounds.Bottom,
bounds.Right, bounds.Bottom + 1);
}
_thumbBounds.Location = Point.Empty;
#endregion
}
else
{
#region Scrollbar
int bwidth = ThumbBounds.Width;
int bheight = ThumbBounds.Width;
_buttonUpBounds = Rectangle.FromLTRB(bounds.Right - bwidth,
bounds.Top, bounds.Right, bounds.Top + bheight);
_buttonDownBounds = Rectangle.FromLTRB(_buttonUpBounds.Left, bounds.Height - bheight,
bounds.Right, bounds.Height);
_buttonDropDownBounds = Rectangle.Empty;
_thumbBounds.X = _buttonUpBounds.Left;
#endregion
}
_contentBounds = Rectangle.FromLTRB(bounds.Left, bounds.Top, _buttonUpBounds.Left, bounds.Bottom);
#endregion
#region Assign buttons regions
_buttonUpEnabled = _offset < 0;
if (!_buttonUpEnabled)
{
_offset = 0;
}
_buttonDownEnabled = false;
int curLeft = ContentBounds.Left + 1;
int curTop = ContentBounds.Top + 1 + _offset;
int maxBottom = curTop; // int.MinValue;
int iniTop = curTop;
foreach (RibbonItem item in Buttons)
{
item.SetBounds(Rectangle.Empty);
}
for (int i = 0; i < Buttons.Count; i++)
{
RibbonButton button = Buttons[i] as RibbonButton; if (button == null)
{
break;
}
if (curLeft + button.LastMeasuredSize.Width > ContentBounds.Right)
{
curLeft = ContentBounds.Left + 1;
curTop = maxBottom + 1;
}
button.SetBounds(new Rectangle(curLeft, curTop, button.LastMeasuredSize.Width, button.LastMeasuredSize.Height));
curLeft = button.Bounds.Right + 1;
maxBottom = Math.Max(maxBottom, button.Bounds.Bottom);
if (button.Bounds.Bottom > ContentBounds.Bottom)
{
_buttonDownEnabled = true;
}
_jumpDownSize = button.Bounds.Height;
_jumpUpSize = button.Bounds.Height;
}
#endregion
#region Adjust thumb size
double contentHeight = maxBottom - iniTop;
double viewHeight = bounds.Height;
if (contentHeight > viewHeight && contentHeight != 0)
{
double viewPercent = contentHeight > viewHeight ? viewHeight / contentHeight : 0.0;
double availHeight = ButtonDownBounds.Top - ButtonUpBounds.Bottom;
double thumbHeight = Math.Ceiling(viewPercent * availHeight);
if (thumbHeight < 30)
{
if (availHeight >= 30)
{
thumbHeight = 30;
}
else
{
thumbHeight = availHeight;
}
}
_thumbBounds.Height = Convert.ToInt32(thumbHeight);
fullContentBounds = Rectangle.FromLTRB(ContentBounds.Left, iniTop, ContentBounds.Right, maxBottom);
_scrollBarEnabled = true;
UpdateThumbPos();
}
else
{
_scrollBarEnabled = false;
}
#endregion
}
