Windows.UI.Xaml.Shapes.Rectangle rectangle;\r
GestureRecognizer gestureRecongnizer = new GestureRecognizer();\r
TextStore2 textStore;\r
- GripperManager gripper;\r
FooTextBoxAutomationPeer peer;\r
\r
/// <summary>\r
this._Controller = new Controller(this.Document, this.View);\r
this._Controller.CaretMoved += Controller_CaretMoved;\r
\r
+ this.FirstGripper = new Gripper(this._Controller, this.View, this.Render, GripperType.First);\r
+ this.SecondGripper = new Gripper(this._Controller, this.View, this.Render, GripperType.Second);\r
+\r
this.gestureRecongnizer.GestureSettings = GestureSettings.Drag | \r
GestureSettings.RightTap | \r
GestureSettings.Tap | \r
\r
this.SizeChanged += FooTextBox_SizeChanged;\r
\r
- this.gripper = new GripperManager(this._Controller, this.View, this.Render);\r
-\r
this.Loaded += FooTextBox_Loaded;\r
}\r
\r
this.textStore.NotifySelectionChanged();\r
}\r
\r
- bool isHitCaret;\r
- Rectangle hitedSecondGripperRect = Rectangle.Empty,hitedFirstGripperRect = Rectangle.Empty;\r
+ Gripper FirstGripper, SecondGripper;\r
void gestureRecongnizer_ManipulationStarted(GestureRecognizer sender, ManipulationStartedEventArgs e)\r
{\r
+ }\r
+\r
+ void gestureRecongnizer_ManipulationUpdated(GestureRecognizer sender, ManipulationUpdatedEventArgs e)\r
+ {\r
if (this.Document.State == AsyncState.Loading)\r
return;\r
+ bool HittedCaret = false;\r
+\r
TextPoint tp = this.View.GetTextPointFromPostion(e.Position);\r
+ Point p = e.Position;\r
+\r
if (tp == this.View.CaretPostion)\r
{\r
- this.isHitCaret = true;\r
- this.hitedSecondGripperRect = Rectangle.Empty;\r
+ HittedCaret = true;\r
}\r
- Rectangle gripperRect = this.gripper.HitTest(GripperType.Second,e.Position);\r
- if (gripperRect != Rectangle.Empty)\r
+\r
+ Gripper hittedGripper = null;\r
+ if (this.FirstGripper.IsHit(p))\r
{\r
- this.isHitCaret = true;\r
- this.hitedSecondGripperRect = gripperRect;\r
+ p = this.FirstGripper.AdjustPoint(p);\r
+ hittedGripper = this.FirstGripper;\r
+ HittedCaret = true;\r
}\r
- gripperRect = this.gripper.HitTest(GripperType.First,e.Position);\r
- if (gripperRect != Rectangle.Empty)\r
+ else if (this.SecondGripper.IsHit(p))\r
{\r
- this.isHitCaret = true;\r
- this.hitedFirstGripperRect = gripperRect;\r
+ p = this.SecondGripper.AdjustPoint(p);\r
+ hittedGripper = this.SecondGripper;\r
+ HittedCaret = true;\r
}\r
- }\r
\r
- void gestureRecongnizer_ManipulationUpdated(GestureRecognizer sender, ManipulationUpdatedEventArgs e)\r
- {\r
- if (this.Document.State == AsyncState.Loading)\r
- return;\r
- if (this.isHitCaret)\r
+ if (HittedCaret)\r
{\r
- Point p = e.Position;\r
- if (this.hitedFirstGripperRect != Rectangle.Empty)\r
- p = this.gripper.GetPointOnGripper(GripperType.First,this.hitedFirstGripperRect, p);\r
- else if (this.hitedSecondGripperRect != Rectangle.Empty)\r
- p = this.gripper.GetPointOnGripper(GripperType.Second,this.hitedSecondGripperRect, p);\r
- if (this.View.HitTextArea(p.X, p.Y))\r
+ if (hittedGripper != null && this.View.HitTextArea(p.X, p.Y))\r
{\r
- TextPoint tp = this.View.GetTextPointFromPostion(p);\r
+ tp = this.View.GetTextPointFromPostion(p);\r
if (this._Controller.IsReverseSelect())\r
{\r
- if (this.hitedFirstGripperRect == this.hitedSecondGripperRect)\r
- this._Controller.MoveCaretAndSelect(tp);\r
- else if (this.hitedSecondGripperRect != Rectangle.Empty)\r
+ if (Object.ReferenceEquals(hittedGripper,this.SecondGripper))\r
this._Controller.MoveSelectBefore(tp);\r
else\r
this._Controller.MoveCaretAndSelect(tp);\r
}\r
else\r
{\r
- if(this.hitedFirstGripperRect == this.hitedSecondGripperRect)\r
- this._Controller.MoveCaretAndSelect(tp);\r
- else if (this.hitedFirstGripperRect != Rectangle.Empty)\r
+ if (Object.ReferenceEquals(hittedGripper,this.FirstGripper))\r
this._Controller.MoveSelectBefore(tp);\r
else\r
this._Controller.MoveCaretAndSelect(tp);\r
this._Controller.Scroll(ScrollDirection.Up, scrollCount, false, false);\r
else\r
this._Controller.Scroll(ScrollDirection.Down, scrollCount, false, false);\r
- this.gripper.Enabled = false;\r
+ this.FirstGripper.Enabled = false;\r
+ this.SecondGripper.Enabled = false;\r
this.Refresh();\r
return;\r
}\r
this._Controller.Scroll(ScrollDirection.Left, deltax, false, false);\r
else\r
this._Controller.Scroll(ScrollDirection.Right, deltax, false, false);\r
- this.gripper.Enabled = false;\r
+ this.FirstGripper.Enabled = false;\r
+ this.SecondGripper.Enabled = false;\r
this.Refresh();\r
}\r
}\r
\r
void gestureRecongnizer_ManipulationCompleted(GestureRecognizer sender, ManipulationCompletedEventArgs e)\r
{\r
- this.isHitCaret = false;\r
- this.hitedFirstGripperRect = Rectangle.Empty;\r
- this.hitedSecondGripperRect = Rectangle.Empty;\r
}\r
\r
async void gestureRecongnizer_RightTapped(GestureRecognizer sender, RightTappedEventArgs e)\r
\r
void gestureRecongnizer_Tapped(GestureRecognizer sender, TappedEventArgs e)\r
{\r
- this.gripper.Enabled = e.PointerDeviceType == PointerDeviceType.Touch;\r
+ bool touched = e.PointerDeviceType == PointerDeviceType.Touch;\r
+ this.FirstGripper.Enabled = touched;\r
+ this.SecondGripper.Enabled = touched;\r
this.JumpCaret(e.Position);\r
}\r
\r
this.View.Draw(updateRect);\r
else\r
this.Render.FillBackground(updateRect);\r
- this.gripper.DrawGrippers();\r
+ this.FirstGripper.Draw();\r
+ this.SecondGripper.Draw();\r
this.Render.EndDraw();\r
}\r
\r
else\r
toX = -this.horizontalScrollBar.Value;\r
this._Controller.Scroll(toX, this.View.Src.Row, false, false);\r
- this.gripper.Enabled = false;\r
+ this.FirstGripper.Enabled = false;\r
+ this.SecondGripper.Enabled = false;\r
this.Refresh();\r
}\r
\r
if (newRow >= this.View.LayoutLines.Count)\r
return;\r
this._Controller.Scroll(this.View.Src.X, newRow, false, false);\r
- this.gripper.Enabled = false;\r
+ this.FirstGripper.Enabled = false;\r
+ this.SecondGripper.Enabled = false;\r
this.Refresh();\r
}\r
\r
First,
Second,
}
- class GripperManager
+ class Gripper : IEquatable<Gripper>
{
Controller Controller;
EditView View;
D2DRender Render;
- public GripperManager(Controller controller, EditView view,D2DRender render)
+ GripperType type;
+ public Gripper(Controller controller, EditView view,D2DRender render,GripperType type)
{
this.Controller = controller;
this.View = view;
this.Render = render;
this.Enabled = false;
+ this.type = type;
}
-
public bool Enabled
{
get;
set;
}
-
- public Rectangle HitTest(GripperType type,Point p)
+ public Rectangle Rectangle
{
- Rectangle gripperRect = this.GetGripperPoint(type);
- if (this.Enabled && gripperRect.IsHit(p))
- return gripperRect;
- return Rectangle.Empty;
- }
-
- public Rectangle GetGripperPoint(GripperType type)
- {
- TextPoint tp;
- Point point;
- double radius = D2DRender.GripperWidth / 2;
- if (type == GripperType.Second)
- {
- tp = this.View.LayoutLines.GetTextPointFromIndex(this.Controller.SelectionStart + this.Controller.SelectionLength);
- point = this.View.GetPostionFromTextPoint(tp);
- double lineHeight = this.View.LayoutLines.GetLayout(tp.row).Height;
- return new Rectangle(point.X - radius, point.Y + lineHeight, D2DRender.GripperWidth, D2DRender.GripperWidth);
- }
- else if (type == GripperType.First)
- {
- tp = this.View.LayoutLines.GetTextPointFromIndex(this.Controller.SelectionStart);
- point = this.View.GetPostionFromTextPoint(tp);
- return new Rectangle(point.X - radius, point.Y - D2DRender.GripperWidth, D2DRender.GripperWidth, D2DRender.GripperWidth);
- }
- else
+ get
{
- throw new ArgumentOutOfRangeException();
+ return this.GetGripperPoint(this.type);
}
}
+ public bool IsHit(Point p)
+ {
+ Rectangle gripperRect = this.GetGripperPoint(type);
+ return this.Enabled && gripperRect.IsHit(p);
+ }
- public Point GetPointOnGripper(GripperType type,Rectangle gripperRect, Point p)
+ public Point AdjustPoint(Point p)
{
- if (type == GripperType.First)
+ if (this.type == GripperType.First)
{
- if (gripperRect.IsHit(p))
- p.Y = gripperRect.Bottom + 1;
+ if (this.Rectangle.IsHit(p))
+ p.Y = this.Rectangle.Bottom + 1;
else
- p.Y += gripperRect.Height;
+ p.Y += this.Rectangle.Height;
}
else
{
- if (gripperRect.IsHit(p))
- p.Y = gripperRect.Y - 1;
+ if (this.Rectangle.IsHit(p))
+ p.Y = this.Rectangle.Y - 1;
else
- p.Y -= gripperRect.Height;
+ p.Y -= this.Rectangle.Height;
}
if (p.Y < this.Render.TextArea.Y)
p.Y = this.Render.TextArea.Y;
return p;
}
- public void DrawGrippers()
+ public void Draw()
{
- if (!this.Enabled)
- return;
- DrawGripper(GripperType.First);
- DrawGripper(GripperType.Second);
+ if(this.Enabled)
+ this.DrawGripper(this.type);
}
+
void DrawGripper(GripperType type)
{
Rectangle gripperRect = GetGripperPoint(type);
double radius = gripperRect.Width / 2;
Point point;
- if(type == GripperType.First)
+ if (type == GripperType.First)
point = new Point(gripperRect.X + radius, gripperRect.Y + radius);
else
point = new Point(gripperRect.X + radius, gripperRect.Y + radius);
this.Render.DrawGripper(point, radius);
}
+
+ Rectangle GetGripperPoint(GripperType type)
+ {
+ TextPoint tp;
+ Point point;
+ double radius = D2DRender.GripperWidth / 2;
+ if (type == GripperType.Second)
+ {
+ tp = this.View.LayoutLines.GetTextPointFromIndex(this.Controller.SelectionStart + this.Controller.SelectionLength);
+ point = this.View.GetPostionFromTextPoint(tp);
+ double lineHeight = this.View.LayoutLines.GetLayout(tp.row).Height;
+ return new Rectangle(point.X - radius, point.Y + lineHeight, D2DRender.GripperWidth, D2DRender.GripperWidth);
+ }
+ else if (type == GripperType.First)
+ {
+ tp = this.View.LayoutLines.GetTextPointFromIndex(this.Controller.SelectionStart);
+ point = this.View.GetPostionFromTextPoint(tp);
+ return new Rectangle(point.X - radius, point.Y - D2DRender.GripperWidth, D2DRender.GripperWidth, D2DRender.GripperWidth);
+ }
+ else
+ {
+ throw new ArgumentOutOfRangeException();
+ }
+ }
+
+ public bool Equals(Gripper other)
+ {
+ return this.Rectangle == other.Rectangle;
+ }
}
}
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