Rev 1402 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1402 | chris | 1 | using System; |
| 2 | using System.Collections.Generic; |
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| 3 | using System.Linq; |
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| 4 | using System.Text; |
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| 5 | using System.Threading.Tasks; |
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| 6 | using System.Windows.Forms; |
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| 7 | |||
| 8 | namespace ShapeEditor.interaction |
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| 9 | { |
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| 10 | public class PanInteraction : InteractionMode |
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| 11 | { |
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| 12 | private int mLastX = 0; |
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| 13 | private int mLastY = 0; |
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| 14 | private bool mRightButtonDown = false; |
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| 15 | |||
| 16 | public PanInteraction(MainForm parent) |
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| 17 | : base(parent) |
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| 18 | { |
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| 19 | } |
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| 20 | |||
| 1420 | chris | 21 | public override void MouseMove(MouseEventArgs e, bool isMouseDown = false) |
| 1402 | chris | 22 | { |
| 23 | if (e.Button == MouseButtons.Right) |
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| 24 | { |
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| 25 | if (!mRightButtonDown) |
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| 26 | { |
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| 27 | // not pressed before - set |
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| 28 | mRightButtonDown = true; |
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| 29 | } |
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| 30 | else |
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| 31 | { |
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| 32 | // dragging |
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| 33 | int deltaX = e.X - mLastX; |
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| 34 | int deltaY = e.Y - mLastY; |
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| 35 | |||
| 36 | mParent.PanBy(deltaX, deltaY); |
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| 37 | } |
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| 38 | } |
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| 39 | |||
| 40 | mLastX = e.X; |
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| 41 | mLastY = e.Y; |
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| 42 | } |
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| 43 | |||
| 44 | public override void MouseUp(MouseEventArgs e) |
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| 45 | { |
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| 46 | if (e.Button == MouseButtons.Right) |
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| 47 | { |
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| 48 | mRightButtonDown = false; |
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| 49 | } |
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| 50 | } |
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| 51 | |||
| 52 | public override void Render() |
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| 53 | { |
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| 54 | } |
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| 55 | } |
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| 56 | } |