private void OnShowToolTip(object sender, ToolTipEventArgs e)
{
if (!_ribbon.IsDisposed)
{
// Do not show tooltips when the form we are in does not have focus
Form topForm = _ribbon.FindForm();
if ((topForm != null) && !topForm.ContainsFocus)
{
return;
}
// Never show tooltips are design time
if (!_ribbon.InDesignMode)
{
IContentValues sourceContent = null;
LabelStyle toolTipStyle = LabelStyle.SuperTip;
Rectangle screenRect = new Rectangle(e.ScreenPt, new Size(1, 1));
// If the target is the application button
if ((e.Target is ViewLayoutRibbonAppButton) || (e.Target is ViewLayoutRibbonAppTab))
{
// Create a content that recovers values from a the ribbon for the app button/tab
AppButtonToolTipToContent appButtonContent = new AppButtonToolTipToContent(_ribbon);
// Is there actually anything to show for the tooltip
if (appButtonContent.HasContent)
{
sourceContent = appButtonContent;
// Grab the style from the app button settings
toolTipStyle = _ribbon.RibbonAppButton.AppButtonToolTipStyle;
// Display below the mouse cursor
screenRect.Height += SystemInformation.CursorSize.Height / 3 * 2;
}
}
else
{
// If the target is a QAT button
if (e.Target is ViewDrawRibbonQATButton)
{
// Cast to correct type
ViewDrawRibbonQATButton viewElement = (ViewDrawRibbonQATButton)e.Target;
// Create a content that recovers values from a IQuickAccessToolbarButton
QATButtonToolTipToContent qatButtonContent = new QATButtonToolTipToContent(viewElement.QATButton);
// Is there actually anything to show for the tooltip
if (qatButtonContent.HasContent)
{
sourceContent = qatButtonContent;
// Grab the style from the QAT button settings
toolTipStyle = viewElement.QATButton.GetToolTipStyle();
// Display below the mouse cursor
screenRect.Height += SystemInformation.CursorSize.Height / 3 * 2;
}
}
else
{
// If the target is a label
if ((e.Target.Parent != null) && (e.Target.Parent is ViewDrawRibbonGroupLabel))
{
// Cast to correct type
ViewDrawRibbonGroupLabel viewElement = (ViewDrawRibbonGroupLabel)e.Target.Parent;
// Create a content that recovers values from a KryptonRibbonGroupItem
GroupItemToolTipToContent groupItemContent = new GroupItemToolTipToContent(viewElement.GroupLabel);
// Is there actually anything to show for the tooltip
if (groupItemContent.HasContent)
{
sourceContent = groupItemContent;
// Grab the style from the group label settings
toolTipStyle = viewElement.GroupLabel.ToolTipStyle;
// Display below the bottom of the ribbon control
Rectangle ribbonScreenRect = _ribbon.ToolTipScreenRectangle;
screenRect.Y = ribbonScreenRect.Y;
screenRect.Height = ribbonScreenRect.Height;
screenRect.X = ribbonScreenRect.X + viewElement.ClientLocation.X;
screenRect.Width = viewElement.ClientWidth;
}
}
else
{
// Is the target is a button or cluster button
if (e.Target is ViewDrawRibbonGroupButtonBackBorder)
{
// Cast to correct type
ViewDrawRibbonGroupButtonBackBorder viewElement = (ViewDrawRibbonGroupButtonBackBorder)e.Target;
// Create a content that recovers values from a KryptonRibbonGroupItem
GroupItemToolTipToContent groupItemContent = new GroupItemToolTipToContent(viewElement.GroupItem);
// Is there actually anything to show for the tooltip
if (groupItemContent.HasContent)
{
sourceContent = groupItemContent;
// Grab the style from the group button/group cluster button settings
toolTipStyle = viewElement.GroupItem.InternalToolTipStyle;
// Display below the bottom of the ribbon control
Rectangle ribbonScreenRect = _ribbon.ToolTipScreenRectangle;
screenRect.Y = ribbonScreenRect.Y;
screenRect.Height = ribbonScreenRect.Height;
screenRect.X = ribbonScreenRect.X + viewElement.ClientLocation.X;
screenRect.Width = viewElement.ClientWidth;
}
}
else
{
if (e.Target is ViewLayoutRibbonCheckBox)
{
// Cast to correct type
ViewDrawRibbonGroupCheckBox viewElement = (ViewDrawRibbonGroupCheckBox)e.Target.Parent;
// Create a content that recovers values from a KryptonRibbonGroupItem
GroupItemToolTipToContent groupItemContent = new GroupItemToolTipToContent(viewElement.GroupCheckBox);
// Is there actually anything to show for the tooltip
if (groupItemContent.HasContent)
{
sourceContent = groupItemContent;
// Grab the style from the group check box cluster button settings
toolTipStyle = viewElement.GroupCheckBox.InternalToolTipStyle;
// Display below the bottom of the ribbon control
Rectangle ribbonScreenRect = _ribbon.ToolTipScreenRectangle;
screenRect.Y = ribbonScreenRect.Y;
screenRect.Height = ribbonScreenRect.Height;
screenRect.X = ribbonScreenRect.X + viewElement.ClientLocation.X;
screenRect.Width = viewElement.ClientWidth;
}
}
else
{
if (e.Target is ViewLayoutRibbonRadioButton)
{
// Cast to correct type
ViewDrawRibbonGroupRadioButton viewElement = (ViewDrawRibbonGroupRadioButton)e.Target.Parent;
// Create a content that recovers values from a KryptonRibbonGroupItem
GroupItemToolTipToContent groupItemContent = new GroupItemToolTipToContent(viewElement.GroupRadioButton);
// Is there actually anything to show for the tooltip
if (groupItemContent.HasContent)
{
sourceContent = groupItemContent;
// Grab the style from the group radio button button settings
toolTipStyle = viewElement.GroupRadioButton.InternalToolTipStyle;
// Display below the bottom of the ribbon control
Rectangle ribbonScreenRect = _ribbon.ToolTipScreenRectangle;
screenRect.Y = ribbonScreenRect.Y;
screenRect.Height = ribbonScreenRect.Height;
screenRect.X = ribbonScreenRect.X + viewElement.ClientLocation.X;
screenRect.Width = viewElement.ClientWidth;
}
}
else
{
// Find the button spec associated with the tooltip request
ButtonSpec buttonSpec = _buttonManager.ButtonSpecFromView(e.Target);
// If the tooltip is for a button spec
if (buttonSpec != null)
{
// Are we allowed to show page related tooltips
if (_ribbon.AllowButtonSpecToolTips)
{
// Create a helper object to provide tooltip values
ButtonSpecToContent buttonSpecMapping = new ButtonSpecToContent(_ribbon.GetRedirector(), buttonSpec);
// Is there actually anything to show for the tooltip
if (buttonSpecMapping.HasContent)
{
sourceContent = buttonSpecMapping;
// Grab the style from the button spec settings
toolTipStyle = buttonSpec.ToolTipStyle;
// Display below the mouse cursor
screenRect.Height += SystemInformation.CursorSize.Height / 3 * 2;
}
}
}
}
}
}
}
}
}
if (sourceContent != null)
{
// Remove any currently showing tooltip
_visualPopupToolTip?.Dispose();
// Create the actual tooltip popup object
_visualPopupToolTip = new VisualPopupToolTip(_ribbon.GetRedirector(),
sourceContent,
_ribbon.Renderer,
PaletteBackStyle.ControlToolTip,
PaletteBorderStyle.ControlToolTip,
CommonHelper.ContentStyleFromLabelStyle(toolTipStyle));
_visualPopupToolTip.Disposed += new EventHandler(OnVisualPopupToolTipDisposed);
// The popup tooltip control always adds on a border above/below so we negate that here.
screenRect.Height -= 20;
// Show relative to the provided screen rectangle
_visualPopupToolTip.ShowCalculatingSize(screenRect);
}
}
}
}
