/// <summary>
/// Raises the <see cref="ToolTipRequest" /> event.
/// </summary>
/// <param name="e"><see cref="ToolTipRequestEventArgs" /> object that provides the arguments for the event.</param>
protected virtual void OnToolTipRequest(ToolTipRequestEventArgs e)
{
EventHandler<ToolTipRequestEventArgs> handler = ToolTipRequest;
if (handler != null)
handler(this, e);
}
/// <summary>
/// Requests the tool tip.
/// </summary>
/// <param name="mousePos">The mouse position.</param>
protected void RequestToolTip(Point mousePos)
{
if (_toolTipRectangle.Contains(mousePos))
{
if (!_toolTipActive)
{
ResetMouseEventArgs();
}
return;
}
_toolTipRectangle = new Rectangle(mousePos.X - 4, mousePos.Y - 4, 8, 8);
TextLocation logicPos = _textView.GetLogicalPosition(mousePos.X - _textView.DrawingPosition.Left,
mousePos.Y - _textView.DrawingPosition.Top);
bool inDocument = _textView.DrawingPosition.Contains(mousePos) &&
logicPos.Y >= 0 &&
logicPos.Y < Document.TotalNumberOfLines;
ToolTipRequestEventArgs args = new ToolTipRequestEventArgs(mousePos, logicPos, inDocument);
OnToolTipRequest(args);
if (args.ToolTipShown)
{
_toolTipActive = true;
SetToolTip(args.ToolTipText, inDocument ? logicPos.Y + 1 : -1);
}
else
{
CloseToolTip();
}
}
/// <summary>
/// Raises the <see cref="ToolTipRequest"/> event.
/// </summary>
/// <param name="e">The <see cref="DigitalRune.Windows.TextEditor.ToolTipRequestEventArgs"/> instance containing the event data.</param>
protected virtual void OnToolTipRequest(ToolTipRequestEventArgs e)
{
if (ToolTipRequest != null)
{
ToolTipRequest(this, e);
}
}
void OnToolTipRequest(object sender, ToolTipRequestEventArgs e)
{
if (e.ToolTipShown)
{
return;
}
Point mousepos = e.MousePosition;
Fold fold = _textArea.TextView.GetFoldMarkerFromPosition(mousepos.X - _textArea.TextView.DrawingPosition.X,
mousepos.Y - _textArea.TextView.DrawingPosition.Y);
if (fold != null && fold.IsFolded)
{
StringBuilder sb = new StringBuilder(fold.InnerText);
// Skip leading newlines
int i = 0;
while (sb[i] == '\r' || sb[i] == '\n')
{
i++;
}
if (i > 0)
{
sb.Remove(0, i);
}
// max 10 lines
int endLines = 0;
for (i = 0; i < sb.Length; ++i)
{
if (sb[i] == '\n')
{
++endLines;
if (endLines >= 10)
{
sb.Remove(i + 1, sb.Length - i - 1);
sb.Append(Environment.NewLine);
sb.Append("...");
break;
}
}
}
sb.Replace("\t", " ");
e.ShowToolTip(sb.ToString());
return;
}
List <Marker> markers = _textArea.Document.MarkerStrategy.GetMarkers(e.LogicalPosition);
foreach (Marker marker in markers)
{
if (marker.ToolTip != null)
{
e.ShowToolTip(marker.ToolTip.Replace("\t", " "));
return;
}
}
}
/// <summary>
/// Raises the <see cref="ToolTipRequest" /> event.
/// </summary>
/// <param name="e"><see cref="ToolTipRequestEventArgs" /> object that provides the arguments for the event.</param>
protected virtual void OnToolTipRequest(ToolTipRequestEventArgs e)
{
EventHandler <ToolTipRequestEventArgs> handler = ToolTipRequest;
if (handler != null)
{
handler(this, e);
}
}
void OnToolTipRequest(object sender, ToolTipRequestEventArgs e)
{
if (e.ToolTipShown)
return;
Point mousepos = e.MousePosition;
Fold fold = _textArea.TextView.GetFoldMarkerFromPosition(mousepos.X - _textArea.TextView.DrawingPosition.X,
mousepos.Y - _textArea.TextView.DrawingPosition.Y);
if (fold != null && fold.IsFolded)
{
StringBuilder sb = new StringBuilder(fold.InnerText);
// Skip leading newlines
int i = 0;
while (sb[i] == '\r' || sb[i] == '\n')
i++;
if (i > 0)
sb.Remove(0, i);
// max 10 lines
int endLines = 0;
for (i = 0; i < sb.Length; ++i)
{
if (sb[i] == '\n')
{
++endLines;
if (endLines >= 10)
{
sb.Remove(i + 1, sb.Length - i - 1);
sb.Append(Environment.NewLine);
sb.Append("...");
break;
}
}
}
sb.Replace("\t", " ");
e.ShowToolTip(sb.ToString());
return;
}
List<Marker> markers = _textArea.Document.MarkerStrategy.GetMarkers(e.LogicalPosition);
foreach (Marker marker in markers)
{
if (marker.ToolTip != null)
{
e.ShowToolTip(marker.ToolTip.Replace("\t", " "));
return;
}
}
}
private void ToolTipRequest(object sender, ToolTipRequestEventArgs e)
{
if (!e.InDocument || e.ToolTipShown)
return;
// Get word under cursor
TextLocation position = e.LogicalPosition;
LineSegment line = textEditorControl.Document.GetLineSegment(position.Y);
if (line != null)
{
TextWord word = line.GetWord(position.X);
if (word != null && !String.IsNullOrEmpty(word.Word))
e.ShowToolTip("Current word: \"" + word.Word + "\"\n" + "\nRow: " + (position.Y + 1) + " Column: " + (position.X + 1));
}
}
/// <summary>
/// Raises the <see cref="ToolTipRequest"/> event.
/// </summary>
/// <param name="e">The <see cref="DigitalRune.Windows.TextEditor.ToolTipRequestEventArgs"/> instance containing the event data.</param>
protected virtual void OnToolTipRequest(ToolTipRequestEventArgs e)
{
if (ToolTipRequest != null)
ToolTipRequest(this, e);
}
/// <summary>
/// Requests the tool tip.
/// </summary>
/// <param name="mousePos">The mouse position.</param>
protected void RequestToolTip(Point mousePos)
{
if (_toolTipRectangle.Contains(mousePos))
{
if (!_toolTipActive)
ResetMouseEventArgs();
return;
}
_toolTipRectangle = new Rectangle(mousePos.X - 4, mousePos.Y - 4, 8, 8);
TextLocation logicPos = _textView.GetLogicalPosition(mousePos.X - _textView.DrawingPosition.Left,
mousePos.Y - _textView.DrawingPosition.Top);
bool inDocument = _textView.DrawingPosition.Contains(mousePos)
&& logicPos.Y >= 0
&& logicPos.Y < Document.TotalNumberOfLines;
ToolTipRequestEventArgs args = new ToolTipRequestEventArgs(mousePos, logicPos, inDocument);
OnToolTipRequest(args);
if (args.ToolTipShown)
{
_toolTipActive = true;
SetToolTip(args.ToolTipText, inDocument ? logicPos.Y + 1 : -1);
}
else
{
CloseToolTip();
}
}
void TextArea_ToolTipRequest(object sender, ToolTipRequestEventArgs e)
{
// Forward event
OnToolTipRequest(e);
}
void TextArea_ToolTipRequest(object sender, ToolTipRequestEventArgs e)
{
// Forward event
OnToolTipRequest(e);
}
