/// <summary>
/// No text range returned from the language server so the tooltip will
/// be shown based on the mouse cursor position. The arrow from the
/// tooltip should be pointing to the mouse cursor.
/// </summary>
void ShowTooltipWindowAtMouseLocation(
TextEditor editor,
TooltipInformationWindow tooltipWindow,
int mouseX,
int mouseY)
{
// mouseX here does not seem to produce the correct text editor column
// so only Point.Y is used from the TextEditor's LocationToPoint. Point.X
// is incorrect and cannot be used to determine the tooltip rectangle
// location.
DocumentLocation location = editor.PointToLocation(mouseX, mouseY);
Xwt.Point point = editor.LocationToPoint(location);
// The target rectangle should be a segment of text in the text editor. Since
// this does not exist the width of the tooltip window is used as the rectangle
// width and the X position is taken from the mouseX but shifted to the left by
// half the width of the tooltip window so the middle of the tooltip window
// appears under the mouse position so the arrow from the tooltip should be
// pointing to where the mouse cursor is. The mouseX and mouseY are captured by
// the tooltip provider at the time the tooltip is initially requested and so
// this is not necessarily the current mouse position.
var targetRectangle = new Xwt.Rectangle(
mouseX - (tooltipWindow.Width / 2), // Arrow from tooltip should point to mouse cursor.
point.Y, // The top of the line where the mouse cursor is
tooltipWindow.Width,
editor.GetLineHeight(editor.CaretLine)
);
tooltipWindow.ShowPopup(editor, targetRectangle, PopupPosition.Top);
}
bool DelayedTooltipShow()
{
declarationviewwindow.ShowArrow = true;
var rect = SelectedItemRectangle;
declarationviewwindow.ShowPopup(this, new Gdk.Rectangle(0, (int)rect.Y, Allocation.Width, (int)rect.Height), PopupPosition.Right);
if (declarationViewWindowOpacityTimer != 0)
{
GLib.Source.Remove(declarationViewWindowOpacityTimer);
}
declarationViewWindowOpacityTimer = GLib.Timeout.Add(50, new OpacityTimer(this).Timer);
declarationViewTimer = 0;
return(false);
}
async void ShowTooltip()
{
var currentSelectedItem = selectedItem;
if (currentSelectedItem == null || currentSelectedItem.DataSource == null)
{
HideTooltip();
return;
}
var i = currentSelectedItem.Item;
if (i < 0 || i >= currentSelectedItem.DataSource.Count)
{
return;
}
if (tooltipSrc != null)
{
tooltipSrc.Cancel();
}
tooltipSrc = new CancellationTokenSource();
var token = tooltipSrc.Token;
try {
currentTooltip = await currentSelectedItem.DataSource [i].GetTooltipInformation(token);
} catch (OperationCanceledException) {
HideTooltip();
return;
} catch (Exception e) {
LoggingService.LogError("Error while creating search popup window tooltip", e);
HideTooltip();
return;
}
if (currentTooltip == null || string.IsNullOrEmpty(currentTooltip.SignatureMarkup) || token.IsCancellationRequested)
{
HideTooltip();
return;
}
declarationviewwindow.Hide();
declarationviewwindow.Clear();
declarationviewwindow.AddOverload(currentTooltip);
declarationviewwindow.CurrentOverload = 0;
declarationviewwindow.ShowArrow = true;
var rect = SelectedItemRectangle;
declarationviewwindow.ShowPopup(this, new Rectangle(0, (int)rect.Y - 5, Bounds.Width, (int)rect.Height), PopupPosition.Right);
}
void ShowTipInfoWindow(TextEditor editor, TooltipInformationWindow tipWindow, TooltipItem item, Xwt.ModifierKeys modifierState, int mouseX, int mouseY)
{
Gtk.Widget editorWidget = editor;
var startLoc = editor.OffsetToLocation(item.Offset);
var endLoc = editor.OffsetToLocation(item.EndOffset);
var p1 = editor.LocationToPoint(startLoc);
var p2 = editor.LocationToPoint(endLoc);
int w = (int)(p2.X - p1.X);
var caret = new Gdk.Rectangle(
(int)p1.X,
(int)p1.Y,
(int)w,
(int)editor.LineHeight
);
tipWindow.ShowPopup(editorWidget, caret, PopupPosition.Top);
}