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Diffstat (limited to 'src/GraphicObjects/ScrollingObject.cs')
| -rw-r--r-- | src/GraphicObjects/ScrollingObject.cs | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/src/GraphicObjects/ScrollingObject.cs b/src/GraphicObjects/ScrollingObject.cs deleted file mode 100644 index de4b2113..00000000 --- a/src/GraphicObjects/ScrollingObject.cs +++ /dev/null @@ -1,190 +0,0 @@ -// -// ScrollingObject.cs -// -// Author: -// Jean-Philippe Bruyère <jp.bruyere@hotmail.com> -// -// Copyright (c) 2013-2017 Jean-Philippe Bruyère -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. - -using System; -using System.Xml.Serialization; -using System.ComponentModel; -using System.Collections; -using Cairo; - - -namespace Crow -{ - /// <summary> - /// generic class to build scrolling control in both directions - /// </summary> - [DesignIgnore] - public class ScrollingObject : GraphicObject - { - #region CTOR - protected ScrollingObject ():base(){} - public ScrollingObject (Interface iface):base(iface){} - #endregion - - int scrollX, scrollY, maxScrollX, maxScrollY, mouseWheelSpeed; - - /// <summary> - /// if true, key stroke are handled in derrived class - /// </summary> - protected bool KeyEventsOverrides = false; - - /// <summary> Horizontal Scrolling Position </summary> - [XmlAttributeAttribute][DefaultValue(0)] - public virtual int ScrollX { - get { return scrollX; } - set { - if (scrollX == value) - return; - - int newS = value; - if (newS < 0) - newS = 0; - else if (newS > maxScrollX) - newS = maxScrollX; - - if (newS == scrollX) - return; - - scrollX = value; - - NotifyValueChanged ("ScrollX", scrollX); - RegisterForGraphicUpdate (); - } - } - /// <summary> Vertical Scrolling Position </summary> - [XmlAttributeAttribute][DefaultValue(0)] - public virtual int ScrollY { - get { return scrollY; } - set { - if (scrollY == value) - return; - - int newS = value; - if (newS < 0) - newS = 0; - else if (newS > maxScrollY) - newS = maxScrollY; - - if (newS == scrollY) - return; - - scrollY = value; - - NotifyValueChanged ("ScrollY", scrollY); - RegisterForGraphicUpdate (); - } - } - /// <summary> Horizontal Scrolling maximum value </summary> - [XmlAttributeAttribute][DefaultValue(0)] - public virtual int MaxScrollX { - get { return maxScrollX; } - set { - if (maxScrollX == value) - return; - - maxScrollX = value; - - if (scrollX > maxScrollX) - ScrollX = maxScrollX; - - NotifyValueChanged ("MaxScrollX", maxScrollX); - RegisterForGraphicUpdate (); - } - } - /// <summary> Vertical Scrolling maximum value </summary> - [XmlAttributeAttribute][DefaultValue(0)] - public virtual int MaxScrollY { - get { return maxScrollY; } - set { - if (maxScrollY == value) - return; - - maxScrollY = value; - - if (scrollY > maxScrollY) - ScrollY = maxScrollY; - - NotifyValueChanged ("MaxScrollY", maxScrollY); - RegisterForGraphicUpdate (); - } - } - /// <summary> Mouse Wheel Scrolling multiplier </summary> - [XmlAttributeAttribute][DefaultValue(1)] - public virtual int MouseWheelSpeed { - get { return mouseWheelSpeed; } - set { - if (mouseWheelSpeed == value) - return; - - mouseWheelSpeed = value; - - NotifyValueChanged ("MouseWheelSpeed", mouseWheelSpeed); - } - } - - /// <summary> Process scrolling vertically, or if shift is down, vertically </summary> - public override void onMouseWheel (object sender, MouseWheelEventArgs e) - { - base.onMouseWheel (sender, e); - if (IFace.Keyboard.IsKeyDown (Key.ShiftLeft)) - ScrollX += e.Delta * MouseWheelSpeed; - else - ScrollY -= e.Delta * MouseWheelSpeed; - } - /// <summary> Process scrolling with arrow keys, home and end keys. </summary> - public override void onKeyDown (object sender, KeyboardKeyEventArgs e) - { - base.onKeyDown (sender, e); - - if (KeyEventsOverrides) - return; - - switch (e.Key) { - case Key.Up: - ScrollY--; - break; - case Key.Down: - ScrollY++; - break; - case Key.Left: - ScrollX--; - break; - case Key.Right: - ScrollX++; - break; - case Key.Home: - ScrollX = 0; - ScrollY = 0; - break; - case Key.End: - ScrollX = MaxScrollX; - ScrollY = MaxScrollY; - break; - } - } - } -} - |