public void MouseHover (TextEditor editor, MarginMouseEventArgs args, TextMarkerHoverResult result)
{
bool isOver = MouseIsOverMarker (editor, args);
if (isOver != oldIsOver)
editor.Document.CommitLineUpdate (this.LineSegment);
oldIsOver = isOver;
int errorNumber = MouseIsOverError (editor, args);
if (errorNumber >= 0) {
result.Cursor = arrowCursor;
if (!isOver)
// don't show tooltip when hovering over error counter layout.
result.TooltipMarkup = GLib.Markup.EscapeText (errors[errorNumber].ErrorMessage);
}
}
protected internal override void MouseHover (MarginMouseEventArgs args)
{
base.MouseHover (args);
var loc = PointToLocation (args.X, args.Y);
if (loc.Line < DocumentLocation.MinLine || loc.Column < DocumentLocation.MinColumn)
return;
var line = Document.GetLine (loc.Line);
var oldHoveredLine = HoveredLine;
HoveredLine = line;
OnHoveredLineChanged (new LineEventArgs (oldHoveredLine));
var hoverResult = new TextMarkerHoverResult ();
oldMarkers.ForEach (m => m.MouseHover (this.textEditor, args, hoverResult));
if (line != null) {
newMarkers.Clear ();
newMarkers.AddRange (line.Markers.Where (m => m is IActionTextMarker).Cast <IActionTextMarker> ());
var extraMarker = Document.GetExtendingTextMarker (loc.Line) as IActionTextMarker;
if (extraMarker != null && !oldMarkers.Contains (extraMarker))
newMarkers.Add (extraMarker);
foreach (var marker in newMarkers.Where (m => !oldMarkers.Contains (m))) {
marker.MouseHover (this.textEditor, args, hoverResult);
}
oldMarkers.Clear ();
var tmp = oldMarkers;
oldMarkers = newMarkers;
newMarkers = tmp;
} else {
oldMarkers.Clear ();
}
base.cursor = hoverResult.Cursor ?? xtermCursor;
if (textEditor.TooltipMarkup != hoverResult.TooltipMarkup) {
textEditor.TooltipMarkup = null;
textEditor.TriggerTooltipQuery ();
}
textEditor.TooltipMarkup = hoverResult.TooltipMarkup;
if (args.Button != 1 && args.Y >= 0 && args.Y <= this.textEditor.Allocation.Height) {
// folding marker
int lineNr = args.LineNumber;
foreach (KeyValuePair<Rectangle, FoldSegment> shownFolding in GetFoldRectangles (lineNr)) {
if (shownFolding.Key.Contains ((int)(args.X + this.XOffset), (int)args.Y)) {
ShowTooltip (shownFolding.Value.Segment, shownFolding.Key);
return;
}
}
ShowTooltip (TextSegment.Invalid, Gdk.Rectangle.Zero);
string link = GetLink != null ? GetLink (args) : null;
if (!String.IsNullOrEmpty (link)) {
base.cursor = textLinkCursor;
} else {
base.cursor = hoverResult.Cursor ?? xtermCursor;
}
return;
}
if (inDrag)
return;
Caret.PreserveSelection = true;
switch (this.mouseSelectionMode) {
case MouseSelectionMode.SingleChar:
if (!inSelectionDrag) {
textEditor.SetSelection (loc, loc);
} else {
textEditor.ExtendSelectionTo (loc);
}
Caret.Location = loc;
break;
case MouseSelectionMode.Word:
int offset = textEditor.Document.LocationToOffset (loc);
int start;
int end;
var data = textEditor.GetTextEditorData ();
if (offset < textEditor.SelectionAnchor) {
start = data.FindCurrentWordStart (offset);
end = data.FindCurrentWordEnd (textEditor.SelectionAnchor);
Caret.Offset = start;
} else {
start = data.FindCurrentWordStart (textEditor.SelectionAnchor);
end = data.FindCurrentWordEnd (offset);
Caret.Offset = end;
}
if (textEditor.MainSelection != null) {
textEditor.MainSelection.Lead = Caret.Location;
if (Caret.Offset < mouseWordStart) {
textEditor.MainSelection.Anchor = Document.OffsetToLocation (mouseWordEnd);
} else {
textEditor.MainSelection.Anchor = Document.OffsetToLocation (mouseWordStart);
}
}
break;
case MouseSelectionMode.WholeLine:
//textEditor.SetSelectLines (loc.Line, textEditor.MainSelection.Anchor.Line);
LineSegment line1 = textEditor.Document.GetLine (loc.Line);
LineSegment line2 = textEditor.Document.GetLineByOffset (textEditor.SelectionAnchor);
Caret.Offset = line1.Offset < line2.Offset ? line1.Offset : line1.EndOffsetIncludingDelimiter;
if (textEditor.MainSelection != null)
textEditor.MainSelection.Lead = Caret.Location;
break;
}
Caret.PreserveSelection = false;
//HACK: use cmd as Mac block select modifier because GTK currently makes it impossible to access alt/mod1
//NOTE: Mac cmd seems to be mapped as ControlMask from mouse events on older GTK, mod1 on newer
var blockSelModifier = !Platform.IsMac? ModifierType.Mod1Mask
: (ModifierType.ControlMask | ModifierType.Mod1Mask);
//NOTE: also allow super for block select on X11 because most window managers use the alt modifier already
if (Platform.IsX11)
blockSelModifier |= (ModifierType.SuperMask | ModifierType.Mod4Mask);
if ((args.ModifierState & blockSelModifier) != 0) {
textEditor.SelectionMode = SelectionMode.Block;
} else {
if (textEditor.SelectionMode == SelectionMode.Block)
Document.CommitMultipleLineUpdate (textEditor.MainSelection.MinLine, textEditor.MainSelection.MaxLine);
textEditor.SelectionMode = SelectionMode.Normal;
}
inSelectionDrag = true;
}