protected override async Task OnMouseAction(Point point, MouseClickActions action)
{
// Find out where the text was clicked
int posInLine = 0;
var lastUp = this.lastMouseUp;
if (action == MouseClickActions.MouseUp)
{
this.lastMouseUp = null;
}
foreach (var part in textParts)
{
if (part.Rectangle.Contains(point))
{
posInLine += Math.Min(part.Text.Length - 1, (int)((point.X - part.Rectangle.X) / Math.Max(1, this.lastCalculatedFontWidth) + 0.5));
// Check if it was doubleclick
if (action == MouseClickActions.MouseUp)
{
this.lastMouseUp = new LastMouseUp
{
Time = DateTime.UtcNow,
Pos = point
};
if (lastUp != null && (DateTime.UtcNow - lastUp.Time) < TimeSpan.FromMilliseconds(500) && Math.Abs(point.X - lastUp.Pos.X) + Math.Abs(point.Y - lastUp.Pos.Y) < 10)
{
// Double-click -> select word under mouse
posInLine = Math.Min(posInLine, Math.Max(0, part.Text.Length - 1));
var startPos = posInLine;
while (startPos > 0 && IsWordPart(part.Text[startPos - 1]))
{
startPos--;
}
var endPos = posInLine;
while (endPos < part.Text.Length && IsWordPart(part.Text[endPos]))
{
endPos++;
}
await EditorState.CursorRaw.SetPositions(
startNode : this.XmlNode, posAtStartNode : XmlCursorPositions.CursorInsideTextNode, textPosInStartNode : startPos,
endNode : this.XmlNode, posAtEndNode : XmlCursorPositions.CursorInsideTextNode, textPosInEndNode : endPos,
throwChangedEventWhenValuesChanged : false
);
return;
}
}
await EditorState.CursorRaw.SetCursorByMouseAction(this.XmlNode, XmlCursorPositions.CursorInsideTextNode, posInLine, action);
return;
}
else
{
posInLine += part.Text.Length;
}
}
}
protected override async Task OnMouseAction(Point point, MouseClickActions mouseAction)
{
if (this.startTag.AreaArrow?.Contains(point) == true) // clicked on the left, opening arrow
{
if (this.XmlNode.ChildNodes.Count > 0) // Children available
{
// put in front of the first child
await EditorState.CursorRaw.SetCursorByMouseAction(this.XmlNode.FirstChild, XmlCursorPositions.CursorInFrontOfNode, mouseAction);
EditorState.CursorBlink.ResetBlinkPhase();
return;
}
else // No child available
{
// Put into the node itself
await EditorState.CursorRaw.SetCursorByMouseAction(this.XmlNode, XmlCursorPositions.CursorInsideTheEmptyNode, mouseAction);
EditorState.CursorBlink.ResetBlinkPhase();
return;
}
}
if (this.endTag?.AreaArrow?.Contains(point) == true) // the right, closing arrow was clicked
{
if (this.XmlNode.ChildNodes.Count > 0) // Children available
{
// put behind the last child
await EditorState.CursorRaw.SetCursorByMouseAction(this.XmlNode.LastChild, XmlCursorPositions.CursorBehindTheNode, mouseAction);
EditorState.CursorBlink.ResetBlinkPhase();
return;
}
else // No child available
{
// Put into the node itself
await EditorState.CursorRaw.SetCursorByMouseAction(this.XmlNode, XmlCursorPositions.CursorInsideTheEmptyNode, mouseAction);
EditorState.CursorBlink.ResetBlinkPhase();
return;
}
}
if (this.startTag.AreaTag?.Contains(point) == true) // clicked on the left tag
{
await EditorState.CursorRaw.SetCursorByMouseAction(this.XmlNode, XmlCursorPositions.CursorOnNodeStartTag, mouseAction);
EditorState.CursorBlink.ResetBlinkPhase();
return;
}
if (this.endTag?.AreaTag?.Contains(point) == true) // clicked on the right day
{
await EditorState.CursorRaw.SetCursorByMouseAction(this.XmlNode, XmlCursorPositions.CursorOnNodeEndTag, mouseAction);
EditorState.CursorBlink.ResetBlinkPhase();
return;
}
}
/// <summary>
/// Sets the cursor positions for corresponding mouse actions: For MausDown StartUndEndpos, for Move and Up only the endpos
/// </summary>
public async Task SetCursorByMouseAction(XmlNode xmlNode, XmlCursorPositions cursorPos, MouseClickActions action)
{
await SetCursorByMouseAction(xmlNode, cursorPos, 0, action);
}
/// <summary>
/// Sets the cursor positions for corresponding mouse actions: For MouseDown StartAndEndpos, for Move and Up only the endpos
/// </summary>
public async Task SetCursorByMouseAction(XmlNode xmlNode, XmlCursorPositions cursorPos, int posInLine, MouseClickActions action)
{
switch (action)
{
case MouseClickActions.MouseDown:
// move the cursor to the new position
await SetPositions(xmlNode, cursorPos, posInLine, throwChangedEventWhenValuesChanged : true);
break;
case MouseClickActions.MouseDownMove:
case MouseClickActions.MouseUp:
// Set end of the select cursor
if (EndPos.SetPos(xmlNode, cursorPos, posInLine))
{
await this.ForceChangedEvent();
}
break;
}
}
protected abstract Task OnMouseAction(Point point, MouseClickActions mouseAction);