protected override void OnPropertyChanged(DependencyPropertyChangedEventArgs e)
{
base.OnPropertyChanged(e);
if (e.Property == DataContextProperty)
{
if (e.OldValue is IMRATextItemInfo)
{
IMRATextItemInfo oldvalue = (IMRATextItemInfo)(e.OldValue);
oldvalue.View = null;
}
if (e.NewValue is IMRATextItemInfo)
{
IMRATextItemInfo newvalue = (IMRATextItemInfo)(e.NewValue);
newvalue.View = this;
}
if (Core == null)
{
ReleaseMouseOver();
}
else
{
InvalidateVisual();
Width = Math.Max(TextCore.View.ActualWidth, textline.Width + TextCore.View.MarginLeft);
Height = textline.TextHeight;
Point p = Mouse.PrimaryDevice.GetPosition(this);
UpdateMouseOver(p);
}
}
}
protected virtual void OnIsCltOpeningChanged(DependencyPropertyChangedEventArgs e)
{
if (IsCltOpening)
{
int line = Core.SelectedStart.Line;
int column = Core.SelectedStart.Column;
IMRATextItemInfo lineitem = UI_Main.GetItem(line);
MRATextItemView lineview = lineitem?.View;
if (lineview == null)
{
return;
}
#region Canvas Top
{
Point p = lineview.TranslatePoint(new Point(0, 0), CV_Cover);
if (p.Y + lineview.ActualHeight + UI_CltBox.ActualHeight < ActualHeight)
{
Canvas.SetTop(UI_CltBox, p.Y + lineview.ActualHeight);
}
else
{
Canvas.SetTop(UI_CltBox, p.Y - UI_CltBox.ActualHeight);
}
}
#endregion
#region Canvas Left
{
Rect rect = lineview.GetColumnActualRect(column);
double x = rect.X;
if (UI_Main.UI_Stack != null)
{
x -= UI_Main.UI_Stack.HorizontalOffset;
}
x = Math.Max(x, 0.0);
x = Math.Min(x, ActualWidth - UI_CltBox.ActualWidth);
Canvas.SetLeft(UI_CltBox, x);
}
#endregion
IEnumerable <IMRACltItem> cltsrcs = Counselor.GetCltItems(Core.GetInputContext());
UI_CltBox.SetCltSources(cltsrcs);
ITextPosition pos = Core.SelectedStart.NextSeek();
UI_CltBox.SetInputText(String.Empty);
UI_CltBox.SetInputText(pos.Item.ToString());
UI_CltBox.Visibility = Visibility.Visible;
}
else
{
UI_CltBox.Visibility = Visibility.Hidden;
}
}
protected override void Render(DrawingContext ctx)
{
if (Core == null || Core.IsDisposed)
{
return;
}
base.Render(ctx);
IMRATextItemInfo item = ViewParent?.Core;
ITextBoxCore core = ViewParent?.TextCore;
WinTextLine text = ViewParent?.TextLine;
if (core == null)
{
return;
}
ITextPosition start = core.SelectedStart;
ITextPosition end = core.SelectedEnd;
if (start.CompareTo(end) == 0)
{
ITextPosition pos = start.NextSeek();
RenderBracket(ctx, pos);
RenderDefaultMatch(ctx, pos);
pos = pos.PrevSeek();
RenderBracket(ctx, pos);
RenderDefaultMatch(ctx, pos);
}
if (start.Line == end.Line && start.Column == end.Column)
{
status = start.Line == item.Line ? SelectionStatus.Caret : SelectionStatus.None;
}
else if (item.Line >= start.Line && item.Line <= end.Line)
{
status = SelectionStatus.Range;
}
else
{
status = SelectionStatus.None;
}
switch (status)
{
case SelectionStatus.None:
break;
case SelectionStatus.Caret:
{
if (!blinkshow && !forceshow)
{
break;
}
int index = start.Column - 1;
TextBounds bound = text.GetTextBounds(index, 1).FirstOrDefault();
Brush brush = null;
double thickness = 1.0;
ViewParent.TextCore.DictBrush.TryGetValue("foreground_rawtext_caret", out brush);
ViewParent.TextCore.DictValue.TryGetValue("rawtext_caret_thickness", out thickness);
Pen pen = new Pen(brush, thickness);
Point p1 = bound.Rectangle.TopLeft;
Point p2 = bound.Rectangle.BottomLeft;
p1.Y -= 2;
p1.X += ViewParent.TextCore.View.MarginLeft;
p2.X += ViewParent.TextCore.View.MarginLeft;
ctx.DrawLine(pen, p1, p2);
}
break;
case SelectionStatus.Range:
{
//int left = start.Column - 1;
//int right = end.Column - 1;
if (start.Line < item.Line)
{
start = Core.Start;
}
if (end.Line > item.Line)
{
end = Core.End;
}
//if (right - left <= 0) break;
//TextBounds bound = text.GetTextBounds(left, right - left).FirstOrDefault();
Brush brush = null;
//Rect rect = bound.Rectangle;
ViewParent.TextCore.DictBrush.TryGetValue("background_rawtext_selected", out brush);
//rect.X += ViewParent.TextCore.View.MarginLeft;
//ctx.DrawRectangle(brush, null, rect);
DrawTextRectangle(ctx, brush, null, start, end);
}
break;
}
}
