diff options
| author | jpbruyere <jp.bruyere@hotmail.com> | 2014-12-18 22:41:10 +0100 |
|---|---|---|
| committer | jpbruyere <jp.bruyere@hotmail.com> | 2014-12-18 22:41:10 +0100 |
| commit | d5a5d9516969d7a0fb665a72be7269e7bd51ad58 (patch) | |
| tree | 64807d55e1994b3c700e9628ac7a6ba602a4426f /src/GraphicObjects/Scroller.cs | |
| parent | 02fed0f59e37aa66381023ec1543cca9a54ac118 (diff) | |
misa a jour
Diffstat (limited to 'src/GraphicObjects/Scroller.cs')
| -rw-r--r-- | src/GraphicObjects/Scroller.cs | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/src/GraphicObjects/Scroller.cs b/src/GraphicObjects/Scroller.cs new file mode 100644 index 00000000..74300dba --- /dev/null +++ b/src/GraphicObjects/Scroller.cs @@ -0,0 +1,219 @@ +using System;
+using System.Diagnostics;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Drawing;
+using Cairo;
+using System.Xml.Serialization;
+using OpenTK.Input;
+
+namespace go
+{
+ public class Scroller : Container
+ {
+ bool _verticalScrolling;
+ bool _horizontalScrolling;
+
+ #region public properties
+
+ [System.Xml.Serialization.XmlAttributeAttribute()]
+ [System.ComponentModel.DefaultValue(false)]
+ public bool VerticalScrolling {
+ get { return _verticalScrolling; }
+ set { _verticalScrolling = value; }
+ }
+
+ [System.Xml.Serialization.XmlAttributeAttribute()]
+ [System.ComponentModel.DefaultValue(false)]
+ public bool HorizontalScrolling {
+ get { return _horizontalScrolling; }
+ set { _horizontalScrolling = value; }
+ }
+
+ [XmlIgnore]
+ public int scrollX = 0;
+ [XmlIgnore]
+ public int scrollY = 0;
+
+ public static int ScrollSpeed = 10;
+
+ #endregion
+
+
+ public Scroller()
+ : base()
+ {
+ }
+
+ #region GraphicObject Overrides
+
+ #endregion
+
+ #region Mouse handling
+ public override bool MouseIsIn (Point m)
+ {
+ //Debug.WriteLine ("scroller mouse is in");
+ return Visible ? base.ScreenCoordinates(Slot).ContainsOrIsEqual (m) : false;
+ }
+ public override void onMouseMove (object sender, MouseMoveEventArgs e)
+ {
+ Point m = e.Position + new Point (scrollX, scrollY);
+ base.onMouseMove (sender, new MouseMoveEventArgs(m.X,m.Y,e.XDelta,e.YDelta));
+ }
+ public override void onMouseWheel (object sender, MouseWheelEventArgs e)
+ {
+ //base.onMouseWheel (sender, e); base event buble to the top
+// if (MouseWheelChanged!=null)
+// MouseWheelChanged (this, e);
+
+ if (child == null)
+ return;
+
+ if (VerticalScrolling )
+ {
+ Debug.WriteLine ("scroll");
+ //add redraw call with old bounds to errase old position
+ registerForRedraw();
+
+ scrollY += e.Delta * ScrollSpeed;
+
+ if (scrollY > 0)
+ scrollY = 0;
+ else if (scrollY < -child.Slot.Height + clientBounds.Height)
+ scrollY = -child.Slot.Height + clientBounds.Height;
+
+ }
+ if (HorizontalScrolling )
+ {
+ //add redraw call with old bounds to errase old position
+ registerForRedraw();
+
+ scrollX += e.Delta * ScrollSpeed;
+
+ if (scrollX > 0)
+ scrollX = 0;
+ else if (scrollX < -child.Slot.Width + clientBounds.Width)
+ scrollX = -child.Slot.Width + clientBounds.Width;
+ }
+
+
+ //renderBounds.Y = -scrollY;
+ registerForRedraw();
+ //Parent.registerForGraphicUpdate ();
+ }
+ #endregion
+
+ public override Rectangle ContextCoordinates (Rectangle r)
+ {
+ return base.ContextCoordinates (r) + new Point(scrollX,scrollY);
+ }
+ public override Rectangle ScreenCoordinates (Rectangle r)
+ {
+ return base.ScreenCoordinates (r) + new Point(scrollX,scrollY);
+ }
+
+ public override void registerClipRect ()
+ {
+ OpenTKGameWindow.redrawClip.AddRectangle (base.ScreenCoordinates(Slot));
+ }
+ public override void UpdateLayout ()
+ {
+ base.UpdateLayout ();
+
+ if (!LayoutIsValid)
+ return;
+
+ //override child positionning inside scroller in the
+ //scrolling direction
+ if (child == null)
+ return;
+ if (VerticalScrolling)
+ child.Slot.Y = 0;
+ if (HorizontalScrolling)
+ child.Slot.X = 0;
+ }
+ public override void Paint(ref Cairo.Context ctx, Rectangles clip = null)
+ {
+ if (!Visible)//check if necessary??
+ return;
+
+ ctx.Save();
+
+ // ctx.Rectangle(ContextCoordinates(Slot));
+ // ctx.Clip();
+ //
+// if (clip != null)
+// clip.clip(ctx);
+ //clip.Srcoll (this);
+
+ base.Paint (ref ctx, clip);
+
+ //clip to client zone
+ ctx.Rectangle(Parent.ContextCoordinates(ClientRectangle + Slot.Position));
+ ctx.Clip();
+
+// if (clip != null)
+// clip.Srcoll (this);
+ // if (clip != null)
+ // clip.Rebase(this);
+
+ if (child != null)
+ child.Paint(ref ctx, clip);
+
+ ctx.Restore();
+ }
+
+//
+// public override void Paint(ref Cairo.Context ctx, Rectangles clip = null)
+// {
+// if (!Visible)//check if necessary??
+// return;
+//
+// ctx.Save();
+//
+// Rectangle tmp;
+// tmp = Parent.ContextCoordinates(Slot);
+//// ctx.Rectangle(tmp);
+//// ctx.Clip();
+//
+//// if (clip != null)
+//// clip.clip(ctx);
+//
+// if (bmp == null)
+// UpdateGraphic ();
+//
+//
+//
+// int stride = 4 * Slot.Width;
+// using (ImageSurface source = new ImageSurface(bmp, Format.Argb32, tmp.Width, tmp.Height, stride)) {
+// ctx.SetSourceSurface (source, tmp.X, tmp.Y);
+// ctx.Paint ();
+// }
+//
+//
+// //clip to client zone
+//// ctx.Rectangle(Parent.ContextCoordinates(ClientRectangle + Slot.Position));
+//// ctx.Clip();
+//
+// //ctx.Translate (scrollX, scrollY);
+//
+// if (clip != null)
+// clip.Srcoll (this);
+////
+//// //clip.stroke (ctx, Color.Green);
+////
+////// if (scrollY < 0)
+////// Debug.WriteLine ("..");
+//// }
+//
+//
+//
+// if (child != null)
+// child.Paint(ref ctx, clip);
+//
+// ctx.Restore();
+// }
+
+ }
+}
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