/// <summary>
/// Measures the size of the panel on the mode specified by the event object
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <returns></returns>
public Size MeasureSize(object sender, RibbonElementMeasureSizeEventArgs e)
{
Size result = Size.Empty;
Size minSize = Size.Empty;
int panelHeight = OwnerTab.TabContentBounds.Height - Owner.PanelPadding.Vertical;
#region Measure width of minSize
minSize.Width = e.Graphics.MeasureString(Text, Owner.Font).ToSize().Width + Owner.PanelMargin.Horizontal + 1;
if (ButtonMoreVisible)
{
minSize.Width += ButtonMoreBounds.Width + 3;
}
#endregion
if (e.SizeMode == RibbonElementSizeMode.Overflow)
{
Size textSize = RibbonButton.MeasureStringLargeSize(e.Graphics, Text, Owner.Font);
return(new Size(textSize.Width + Owner.PanelMargin.Horizontal, panelHeight));
}
switch (FlowsTo)
{
case RibbonPanelFlowDirection.Right:
result = MeasureSizeFlowsToRight(sender, e);
break;
case RibbonPanelFlowDirection.Bottom:
result = MeasureSizeFlowsToBottom(sender, e);
break;
default:
result = Size.Empty;
break;
}
return(new Size(Math.Max(result.Width, minSize.Width), panelHeight));
}
public override Size MeasureSize(object sender, RibbonElementMeasureSizeEventArgs e)
{
if (e.SizeMode == RibbonElementSizeMode.DropDown)
{
if (string.IsNullOrEmpty(Text))
{
SetLastMeasuredSize(new Size(1, 3));
}
else
{
Size sz = e.Graphics.MeasureString(Text, new Font(Owner.Font, FontStyle.Bold)).ToSize();
SetLastMeasuredSize(new Size(sz.Width + Owner.ItemMargin.Horizontal, sz.Height + Owner.ItemMargin.Vertical));
}
}
else
{
SetLastMeasuredSize(new Size(2, OwnerPanel.ContentBounds.Height - Owner.ItemPadding.Vertical - Owner.ItemMargin.Vertical));
}
return(LastMeasuredSize);
}
/// <summary>
/// Measures the size when flow direction is to right
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <returns></returns>
private Size MeasureSizeFlowsToRight(object sender, RibbonElementMeasureSizeEventArgs e)
{
int widthSum = Owner.PanelMargin.Horizontal;
int maxWidth = 0;
int maxHeight = 0;
int dividedWidth = 0;
foreach (RibbonItem item in Items)
{
Size itemSize = item.MeasureSize(this, e);
widthSum += itemSize.Width + Owner.ItemPadding.Horizontal + 1;
maxWidth = Math.Max(maxWidth, itemSize.Width);
maxHeight = Math.Max(maxHeight, itemSize.Height);
}
switch (e.SizeMode)
{
case RibbonElementSizeMode.Large:
dividedWidth = widthSum / 1; //Show items on one row
break;
case RibbonElementSizeMode.Medium:
dividedWidth = widthSum / 2; //Show items on two rows
break;
case RibbonElementSizeMode.Compact:
dividedWidth = widthSum / 3; //Show items on three rows
break;
default:
break;
}
//Add padding
dividedWidth += Owner.PanelMargin.Horizontal;
return(new Size(Math.Max(maxWidth, dividedWidth) + Owner.PanelMargin.Horizontal, 0)); //Height is provided by MeasureSize
}
/// <summary>
/// Measures the size of the tab. The tab content bounds is measured by the Ribbon control
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public Size MeasureSize(object sender, RibbonElementMeasureSizeEventArgs e)
{
Size textSize = TextRenderer.MeasureText(Text, Owner.Font);
return(textSize);
}
public override Size MeasureSize(object sender, RibbonElementMeasureSizeEventArgs e)
{
throw new Exception("The method or operation is not implemented.");
}
public override Size MeasureSize(object sender, RibbonElementMeasureSizeEventArgs e)
{
#region Determine items
int itemsWide = 0;
switch (e.SizeMode)
{
case RibbonElementSizeMode.DropDown:
itemsWide = ItemsSizeInDropwDownMode.Width;
break;
case RibbonElementSizeMode.Large:
itemsWide = ItemsWideInLargeMode;
break;
case RibbonElementSizeMode.Medium:
itemsWide = ItemsWideInMediumMode;
break;
case RibbonElementSizeMode.Compact:
itemsWide = 0;
break;
}
#endregion
int height = OwnerPanel.ContentBounds.Height - Owner.ItemPadding.Vertical - 4;
int scannedItems = 0;
int widthSum = 1;
int buttonHeight = 0;
int heightSum = 0;
bool sumWidth = true;
foreach (RibbonButton button in Buttons)
{
Size s = button.MeasureSize(this,
new RibbonElementMeasureSizeEventArgs(e.Graphics, this.ButtonsSizeMode));
if (sumWidth)
{
widthSum += s.Width + 1;
}
buttonHeight = button.LastMeasuredSize.Height;
heightSum += buttonHeight;
if (++scannedItems == itemsWide)
{
sumWidth = false;
}
}
if (e.SizeMode == RibbonElementSizeMode.DropDown)
{
height = buttonHeight * ItemsSizeInDropwDownMode.Height;
}
if (ScrollBarRenderer.IsSupported)
{
_thumbBounds = new Rectangle(Point.Empty, ScrollBarRenderer.GetSizeBoxSize(e.Graphics, System.Windows.Forms.VisualStyles.ScrollBarState.Normal));
}
else
{
_thumbBounds = new Rectangle(Point.Empty, new Size(16, 16));
}
//if (height < 0)
//{
// throw new Exception("???");
//}
SetLastMeasuredSize(new Size(widthSum + ControlButtonsWidth, height));
return(LastMeasuredSize);
}
/// <summary>
/// Measures the size of the button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <returns></returns>
public override Size MeasureSize(object sender, RibbonElementMeasureSizeEventArgs e)
{
RibbonElementSizeMode theSize = GetNearestSize(e.SizeMode);
int widthSum = Owner.ItemMargin.Horizontal;
int heightSum = Owner.ItemMargin.Vertical;
int largeHeight = OwnerPanel.ContentBounds.Height - Owner.ItemPadding.Vertical;// -Owner.ItemMargin.Vertical; //58;
Size simg = SmallImage != null ? SmallImage.Size : Size.Empty;
Size img = Image != null ? Image.Size : Size.Empty;
Size sz = Size.Empty;
switch (theSize)
{
case RibbonElementSizeMode.Large:
case RibbonElementSizeMode.Overflow:
sz = MeasureStringLargeSize(e.Graphics, Text, Owner.Font);
if (!string.IsNullOrEmpty(Text))
{
widthSum += Math.Max(sz.Width + 1, img.Width);
heightSum = largeHeight;
}
else
{
widthSum += img.Width;
heightSum += img.Height;
}
break;
case RibbonElementSizeMode.DropDown:
case RibbonElementSizeMode.Medium:
sz = e.Graphics.MeasureString(Text, Owner.Font).ToSize();
if (!string.IsNullOrEmpty(Text))
{
widthSum += sz.Width + 1;
}
widthSum += simg.Width + Owner.ItemMargin.Horizontal;
heightSum += Math.Max(sz.Height, simg.Height);
break;
case RibbonElementSizeMode.Compact:
widthSum += simg.Width;
heightSum += simg.Height;
break;
default:
throw new ApplicationException("SizeMode not supported: " + e.SizeMode.ToString());
}
if (theSize == RibbonElementSizeMode.DropDown)
{
heightSum += 2;
}
if (Style == RibbonButtonStyle.DropDown)
{
widthSum += arrowWidth + Owner.ItemMargin.Right;
}
else if (Style == RibbonButtonStyle.SplitDropDown)
{
widthSum += arrowWidth + Owner.ItemMargin.Horizontal;
}
SetLastMeasuredSize(new Size(widthSum, heightSum));
return(LastMeasuredSize);
}
public abstract Size MeasureSize(object sender, RibbonElementMeasureSizeEventArgs e);