|
public static Create ( IWpfTextView wpfTextView, System.Windows.Input.MouseEventArgs e, bool insertionPosition ) : |
||
| wpfTextView | IWpfTextView | |
| e | System.Windows.Input.MouseEventArgs | |
| insertionPosition | bool | |
| return | ||
protected override void OnMouseMove(MouseEventArgs e)
{
if (mouseCaptured)
{
var mouseLoc = MouseLocation.Create(wpfTextViewHost.TextView, e, insertionPosition: false);
var line = mouseLoc.TextViewLine;
editorOperations.SelectLine(line, true);
// Needed or the scrolling will stop
if (mouseLoc.Point.Y <= wpfTextViewHost.TextView.ViewportTop)
{
editorOperations.ScrollUpAndMoveCaretIfNecessary();
}
else if (mouseLoc.Point.Y >= wpfTextViewHost.TextView.ViewportBottom)
{
var lastVisLine = wpfTextViewHost.TextView.TextViewLines.LastVisibleLine;
if (!lastVisLine.IsLastDocumentLine() || lastVisLine.VisibilityState != VisibilityState.FullyVisible)
{
editorOperations.ScrollDownAndMoveCaretIfNecessary();
}
}
e.Handled = true;
return;
}
base.OnMouseMove(e);
}
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (CaptureMouse())
{
var line = MouseLocation.Create(wpfTextViewHost.TextView, e, insertionPosition: false).TextViewLine;
editorOperations.SelectLine(line, (Keyboard.Modifiers & ModifierKeys.Shift) != 0);
mouseCaptured = true;
e.Handled = true;
return;
}
base.OnMouseLeftButtonDown(e);
}
IMappingTagSpan <IUrlTag> GetUriSpan(MouseEventArgs e)
{
if (!IsControlDown)
{
return(null);
}
var loc = MouseLocation.Create(wpfTextView, e, insertionPosition: false);
if (loc.Position.VirtualSpaces > 0)
{
return(null);
}
return(UriHelper.GetUri(viewTagAggregatorFactoryService, wpfTextView, loc.Position.Position));
}
SnapshotSpan?GetUriSpan(MouseEventArgs e)
{
if (!IsControlDown)
{
return(null);
}
var loc = MouseLocation.Create(wpfTextView, e);
if (loc.Position.VirtualSpaces > 0)
{
return(null);
}
return(UriHelper.GetUri(viewTagAggregatorFactoryService, wpfTextView, loc.Position.Position));
}
static TextEditorPosition GetTextEditorPositionFromMouse(IWpfTextView textView)
{
if (!textView.VisualElement.IsVisible)
{
return(null);
}
var loc = MouseLocation.Create(textView, new MouseEventArgs(Mouse.PrimaryDevice, 0), insertionPosition: true);
if (loc.Point.Y < textView.ViewportTop || loc.Point.Y >= textView.ViewportBottom)
{
return(null);
}
if (loc.Point.X < textView.ViewportLeft || loc.Point.X >= textView.ViewportRight)
{
return(null);
}
return(new TextEditorPosition(loc.Position));
}
MouseLocation GetLocation(MouseEventArgs e) => MouseLocation.Create(wpfTextView, e, insertionPosition: true);
MouseLocation GetLocation(MouseEventArgs e) => MouseLocation.Create(wpfTextView, e);