Mercurial > hg > ucis.core
annotate FBGUI/FBGUI.cs @ 92:ac0a29c05d03
FBGUI: Improved TextBox mouse interaction
| author | Ivo Smits <Ivo@UCIS.nl> |
|---|---|
| date | Fri, 04 Apr 2014 23:21:33 +0200 |
| parents | 3347e1758e55 |
| children |
| rev | line source |
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| 23 | 1 ???using System; |
| 2 using System.Collections.Generic; | |
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3 using System.Diagnostics; |
| 23 | 4 using System.Drawing; |
| 5 using System.Drawing.Drawing2D; | |
| 6 using System.Drawing.Imaging; | |
| 7 using System.IO; | |
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8 using System.Reflection; |
| 23 | 9 using System.Threading; |
| 10 using System.Windows.Forms; | |
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11 using UCIS.Util; |
| 23 | 12 using UCIS.VNCServer; |
| 13 using ThreadingTimer = System.Threading.Timer; | |
| 14 | |
| 15 namespace UCIS.FBGUI { | |
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16 public abstract class FBGEvent { |
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17 } |
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18 public enum FBGPointingEventType { |
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19 Move, |
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20 ButtonDown, |
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21 ButtonUp |
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22 } |
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23 public class FBGPointingEvent : FBGEvent { |
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24 private Point position; |
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25 public Point Position { get { return position; } set { position = value; } } |
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26 public int X { get { return position.X; } set { position.X = value; } } |
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27 public int Y { get { return position.Y; } set { position.Y = value; } } |
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28 public MouseButtons Buttons { get; private set; } |
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29 public FBGPointingEventType Type { get; private set; } |
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30 public FBGCursor Cursor { get; set; } |
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31 public FBGPointingEvent(Point position, MouseButtons buttons, FBGPointingEventType type) { |
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32 this.Position = position; |
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33 this.Buttons = buttons; |
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34 this.Type = type; |
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35 } |
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36 } |
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37 public class FBGKeyboardEvent : FBGEvent { |
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38 public Keys KeyData { get; private set; } |
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39 public Keys KeyCode { get { return KeyData & Keys.KeyCode; } } |
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40 public Keys Modifiers { get { return KeyData & Keys.Modifiers; } } |
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41 public Boolean Shift { get { return (KeyData & Keys.Shift) != 0; } } |
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42 public Boolean Control { get { return (KeyData & Keys.Control) != 0; } } |
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43 public Boolean Alt { get { return (KeyData & Keys.Alt) != 0; } } |
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44 public Boolean IsDown { get; private set; } |
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45 public Char KeyChar { get; private set; } |
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46 public FBGKeyboardEvent(Keys keyData, Char keyChar, Boolean isDown) { |
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47 this.KeyData = keyData; |
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48 this.KeyChar = keyChar; |
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49 this.IsDown = isDown; |
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50 } |
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51 } |
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52 public class FBGPaintEvent : FBGEvent { |
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53 public Graphics Canvas { get; private set; } |
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54 public FBGPaintEvent(Graphics canvas) { |
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55 this.Canvas = canvas; |
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56 } |
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57 } |
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58 public class FBGKeyboardCaptureEvent : FBGEvent { |
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59 public Boolean Capture { get; set; } |
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60 public FBGKeyboardCaptureEvent(Boolean capture) { |
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61 this.Capture = capture; |
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62 } |
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63 } |
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64 public abstract class FBGMessage { |
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65 public IFBGControl Source { get; private set; } |
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66 protected FBGMessage(IFBGControl source) { |
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67 this.Source = source; |
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68 } |
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69 } |
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70 public class FBGInvalidateMessage : FBGMessage { |
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71 public Rectangle Area { get; set; } |
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72 public FBGInvalidateMessage(IFBGControl source, Rectangle area) : base(source) { |
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73 this.Area = area; |
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74 } |
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75 } |
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76 public class FBGPointingCaptureMessage : FBGMessage { |
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77 public Boolean Capture { get; set; } |
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78 public FBGPointingCaptureMessage(IFBGControl source, Boolean capture) : base(source) { |
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79 this.Capture = capture; |
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80 } |
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81 } |
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82 public class FBGKeyboardCaptureMessage : FBGMessage { |
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83 public Boolean Capture { get; set; } |
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84 public FBGKeyboardCaptureMessage(IFBGControl source, Boolean capture) : base(source) { |
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85 this.Capture = capture; |
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86 } |
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87 } |
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88 |
| 23 | 89 public interface IFBGControl { |
| 90 Rectangle Bounds { get; set; } | |
| 91 Boolean Visible { get; set; } | |
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92 void HandleEvent(FBGEvent e); |
| 23 | 93 void Orphaned(); |
| 94 } | |
| 95 public interface IFBGContainerControl { | |
| 96 void AddControl(IFBGControl control); | |
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97 Boolean RemoveControl(IFBGControl control); |
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98 void HandleMessage(IFBGControl sender, FBGMessage e); |
| 78 | 99 Size ClientSize { get; } |
| 23 | 100 } |
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101 |
| 23 | 102 public class FBGControl : IFBGControl { |
| 103 private Rectangle bounds = new Rectangle(0, 0, 100, 100); | |
| 104 private Color backColor = Color.Transparent; | |
| 105 private Boolean visible = true; | |
| 106 public virtual IFBGContainerControl Parent { get; private set; } | |
| 107 public event MouseEventHandler OnMouseDown; | |
| 108 public event MouseEventHandler OnMouseMove; | |
| 109 public event MouseEventHandler OnMouseUp; | |
| 110 public event PaintEventHandler OnPaint; | |
| 111 public event EventHandler OnResize; | |
| 112 public event EventHandler OnMove; | |
| 113 public FBGControl(IFBGContainerControl parent) { | |
| 114 this.Parent = parent; | |
| 115 if (Parent != null) Parent.AddControl(this); | |
| 116 } | |
| 117 public virtual Rectangle Bounds { | |
| 118 get { return bounds; } | |
| 119 set { | |
| 120 if (bounds == value) return; | |
| 121 Rectangle old = bounds; | |
| 122 bounds = value; | |
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123 Invalidate(Rectangle.Union(new Rectangle(Point.Empty, value.Size), new Rectangle(old.X - value.X, old.Y - value.Y, old.Width, old.Height))); |
| 23 | 124 if (value.Location != old.Location) RaiseEvent(OnMove); |
| 125 if (value.Size != old.Size) RaiseEvent(OnResize); | |
| 126 } | |
| 127 } | |
| 128 public virtual Boolean Visible { | |
| 129 get { return visible; } | |
| 130 set { | |
| 131 visible = value; | |
| 132 Invalidate(); | |
| 133 } | |
| 134 } | |
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135 public virtual FBGCursor Cursor { get; set; } |
| 23 | 136 public Size Size { get { return Bounds.Size; } set { Rectangle r = Bounds; r.Size = value; Bounds = r; } } |
| 137 public Point Location { get { return Bounds.Location; } set { Rectangle r = Bounds; r.Location = value; Bounds = r; } } | |
| 138 public int Left { get { return Bounds.Left; } set { Rectangle r = Bounds; r.X = value; Bounds = r; } } | |
| 139 public int Top { get { return Bounds.Top; } set { Rectangle r = Bounds; r.Y = value; Bounds = r; } } | |
| 140 public int Width { get { return Bounds.Width; } set { Rectangle r = Bounds; r.Width = value; Bounds = r; } } | |
| 141 public int Height { get { return Bounds.Height; } set { Rectangle r = Bounds; r.Height = value; Bounds = r; } } | |
| 142 public virtual Color BackColor { get { return backColor; } set { if (backColor == value) return; backColor = value; Invalidate(); } } | |
| 143 public virtual void Invalidate() { | |
| 144 Invalidate(new Rectangle(Point.Empty, Bounds.Size)); | |
| 145 } | |
| 146 public virtual void Invalidate(Rectangle rect) { | |
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147 Parent.HandleMessage(this, new FBGInvalidateMessage(this, rect)); |
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148 } |
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149 void IFBGControl.HandleEvent(FBGEvent e) { |
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150 HandleEvent(e); |
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151 } |
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152 protected virtual void HandleEvent(FBGEvent e) { |
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153 if (e is FBGPaintEvent) HandlePaintEvent((FBGPaintEvent)e); |
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154 else if (e is FBGPointingEvent) HandlePointingEvent((FBGPointingEvent)e); |
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155 else if (e is FBGKeyboardEvent) HandleKeyboardEvent((FBGKeyboardEvent)e); |
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156 else if (e is FBGKeyboardCaptureEvent) HandleKeyboardCaptureEvent((FBGKeyboardCaptureEvent)e); |
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157 } |
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158 protected virtual void HandlePaintEvent(FBGPaintEvent e) { |
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159 Paint(e.Canvas); |
| 23 | 160 } |
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161 protected virtual void HandlePointingEvent(FBGPointingEvent e) { |
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162 if (Cursor != null) e.Cursor = Cursor; |
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163 switch (e.Type) { |
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164 case FBGPointingEventType.Move: MouseMove(e.Position, e.Buttons); break; |
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165 case FBGPointingEventType.ButtonDown: MouseDown(e.Position, e.Buttons); break; |
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166 case FBGPointingEventType.ButtonUp: MouseUp(e.Position, e.Buttons); break; |
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167 } |
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168 } |
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169 protected virtual void HandleKeyboardEvent(FBGKeyboardEvent e) { |
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170 if (e.IsDown) { |
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171 if (e.KeyData != Keys.None) KeyDown(e.KeyData); |
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172 if (e.KeyChar != Char.MinValue) KeyPress(e.KeyChar); |
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173 } else { |
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174 if (e.KeyData != Keys.None) KeyUp(e.KeyData); |
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175 } |
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176 } |
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177 protected virtual void HandleKeyboardCaptureEvent(FBGKeyboardCaptureEvent e) { |
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178 if (!e.Capture) LostKeyboardCapture(); |
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179 } |
| 23 | 180 void IFBGControl.Orphaned() { Orphaned(); } |
| 181 protected virtual void Paint(Graphics g) { | |
| 182 if (!visible) return; | |
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183 if (backColor.A == 0xff) g.Clear(backColor); |
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184 else if (backColor.A != 0) using (Brush brush = new SolidBrush(backColor)) g.FillRectangle(brush, g.ClipBounds); |
| 23 | 185 RaiseEvent(OnPaint, new PaintEventArgs(g, Rectangle.Round(g.ClipBounds))); |
| 186 } | |
| 187 protected virtual void MouseMove(Point position, MouseButtons buttons) { RaiseEvent(OnMouseMove, new MouseEventArgs(buttons, 0, position.X, position.Y, 0)); } | |
| 188 protected virtual void MouseDown(Point position, MouseButtons buttons) { RaiseEvent(OnMouseDown, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } | |
| 189 protected virtual void MouseUp(Point position, MouseButtons buttons) { RaiseEvent(OnMouseUp, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } | |
| 190 protected virtual Boolean CaptureMouse(Boolean capture) { | |
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191 FBGPointingCaptureMessage m = new FBGPointingCaptureMessage(this, capture); |
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192 Parent.HandleMessage(this, m); |
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193 return capture == m.Capture; |
| 23 | 194 } |
| 195 protected virtual void KeyDown(Keys key) { } | |
| 196 protected virtual void KeyPress(Char keyChar) { } | |
| 197 protected virtual void KeyUp(Keys key) { } | |
| 198 protected virtual Boolean CaptureKeyboard(Boolean capture) { | |
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199 FBGKeyboardCaptureMessage m = new FBGKeyboardCaptureMessage(this, capture); |
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200 Parent.HandleMessage(this, m); |
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201 return capture == m.Capture; |
| 23 | 202 } |
| 203 protected virtual void LostKeyboardCapture() { } | |
| 204 protected virtual void Orphaned() { | |
| 205 //IDisposable disp = this as IDisposable; | |
| 206 //if (!ReferenceEquals(disp, null)) disp.Dispose(); | |
| 207 } | |
| 208 protected void RaiseEvent(KeyEventHandler eh, KeyEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 209 protected void RaiseEvent(KeyPressEventHandler eh, KeyPressEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 210 protected void RaiseEvent(MouseEventHandler eh, MouseEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 211 protected void RaiseEvent(PaintEventHandler eh, PaintEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 212 protected void RaiseEvent<T>(EventHandler<T> eh, T ea) where T : EventArgs { if (eh != null) eh(this, ea); } | |
| 213 protected void RaiseEvent(EventHandler eh, EventArgs ea) { if (eh != null) eh(this, ea); } | |
| 214 protected void RaiseEvent(EventHandler eh) { if (eh != null) eh(this, new EventArgs()); } | |
| 215 } | |
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216 public class FBGContainerControl : FBGControl, IFBGContainerControl, IList<IFBGControl> { |
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217 protected IFBGControl[] controls = new IFBGControl[0]; |
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218 protected IFBGControl mouseCaptureControl = null; |
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219 protected IFBGControl keyboardCaptureControl = null; |
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220 public virtual Rectangle ClientRectangle { get { return new Rectangle(Point.Empty, Bounds.Size); } } |
| 78 | 221 public virtual Size ClientSize { get { return ClientRectangle.Size; } set { Bounds = new Rectangle(Bounds.Location, Bounds.Size - ClientRectangle.Size + value); } } |
| 23 | 222 public FBGContainerControl(IFBGContainerControl parent) : base(parent) { } |
| 223 void IFBGContainerControl.AddControl(IFBGControl control) { AddControl(control); } | |
| 224 protected virtual void AddControl(IFBGControl control) { | |
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225 ArrayUtil.Add(ref controls, control); |
| 23 | 226 if (control.Visible) Invalidate(control); |
| 227 } | |
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228 public virtual Boolean RemoveControl(IFBGControl control) { |
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229 if (!ArrayUtil.Remove(ref controls, control)) return false; |
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230 if (control.Visible) Invalidate(control); |
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231 HandleMessage(control, new FBGPointingCaptureMessage(control, false)); |
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232 HandleMessage(control, new FBGKeyboardCaptureMessage(control, false)); |
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233 control.Orphaned(); |
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234 return true; |
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235 } |
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236 public virtual void RemoveAllControls() { |
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237 IFBGControl[] c = Interlocked.Exchange(ref controls, new IFBGControl[0]); |
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238 foreach (IFBGControl control in c) { |
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239 HandleMessage(control, new FBGPointingCaptureMessage(control, false)); |
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240 HandleMessage(control, new FBGKeyboardCaptureMessage(control, false)); |
| 23 | 241 control.Orphaned(); |
| 242 } | |
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243 Invalidate(); |
| 23 | 244 } |
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245 public IList<IFBGControl> Controls { get { return this; } } |
| 23 | 246 public virtual Point PointToChild(IFBGControl child, Point point) { |
| 247 return point - (Size)child.Bounds.Location - (Size)ClientRectangle.Location; | |
| 248 } | |
| 249 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 250 return point + (Size)child.Bounds.Location + (Size)ClientRectangle.Location; | |
| 251 } | |
| 252 public virtual void BringControlToFront(IFBGControl control) { | |
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253 if (controls.Length == 0) return; |
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254 int oldindex = Array.IndexOf(controls, control); |
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255 if (oldindex == -1 || oldindex == controls.Length - 1) return; |
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256 for (int i = oldindex; i < controls.Length - 1; i++) controls[i] = controls[i + 1]; |
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257 controls[controls.Length - 1] = control; |
| 23 | 258 if (control.Visible) Invalidate(control); |
| 259 } | |
| 260 public virtual void Invalidate(IFBGControl control) { | |
| 261 Invalidate(new Rectangle(PointFromChild(control, Point.Empty), control.Bounds.Size)); | |
| 262 } | |
| 263 public virtual void Invalidate(IFBGControl control, Rectangle rect) { | |
| 264 Invalidate(new Rectangle(PointFromChild(control, rect.Location), rect.Size)); | |
| 265 } | |
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266 protected override void HandlePaintEvent(FBGPaintEvent e) { |
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267 base.HandlePaintEvent(e); |
| 23 | 268 GraphicsState state2 = null; |
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269 Graphics g = e.Canvas; |
| 78 | 270 Rectangle childarea = ClientRectangle; |
| 271 if (childarea.X != 0 || childarea.Y != 0 || childarea.Width != Bounds.Width || childarea.Height != Bounds.Height) { | |
| 23 | 272 state2 = g.Save(); |
| 273 g.TranslateTransform(childarea.X, childarea.Y, MatrixOrder.Append); | |
| 274 g.IntersectClip(new Rectangle(Point.Empty, childarea.Size)); | |
| 275 } | |
| 276 foreach (IFBGControl control in controls) { | |
| 277 if (!control.Visible) continue; | |
| 278 if (control.Bounds.Width <= 0 || control.Bounds.Height <= 0) continue; | |
| 279 if (!g.ClipBounds.IntersectsWith((RectangleF)control.Bounds)) continue; | |
| 280 GraphicsState state = g.Save(); | |
| 281 g.TranslateTransform(control.Bounds.X, control.Bounds.Y, MatrixOrder.Append); | |
| 282 g.IntersectClip(new Rectangle(Point.Empty, control.Bounds.Size)); | |
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283 control.HandleEvent(e); |
| 23 | 284 g.Restore(state); |
| 285 } | |
| 286 if (state2 != null) g.Restore(state2); | |
| 287 } | |
| 288 public IFBGControl FindControlAtPosition(Point p) { | |
| 78 | 289 Rectangle childarea = ClientRectangle; |
| 290 if (!childarea.Contains(p)) return null; | |
| 23 | 291 p.Offset(-childarea.X, -childarea.Y); |
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292 return Array.FindLast(controls, delegate(IFBGControl control) { return control.Visible && control.Bounds.Contains(p); }); |
| 23 | 293 } |
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294 protected override void HandlePointingEvent(FBGPointingEvent e) { |
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295 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(e.Position); |
| 23 | 296 if (control == null) { |
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297 base.HandlePointingEvent(e); |
| 23 | 298 } else { |
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299 if (Cursor != null) e.Cursor = Cursor; |
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300 e.Position = PointToChild(control, e.Position); |
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301 control.HandleEvent(e); |
| 23 | 302 } |
| 303 } | |
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304 void IFBGContainerControl.HandleMessage(IFBGControl sender, FBGMessage e) { |
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305 HandleMessage(sender, e); |
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306 } |
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307 protected virtual void HandleMessage(IFBGControl sender, FBGMessage e) { |
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308 if (e is FBGPointingCaptureMessage) HandlePointingCaptureMessage(sender, (FBGPointingCaptureMessage)e); |
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309 else if (e is FBGKeyboardCaptureMessage) HandleKeyboardCaptureMessage(sender, (FBGKeyboardCaptureMessage)e); |
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310 else if (e is FBGInvalidateMessage) HandleInvalidateMessage(sender, (FBGInvalidateMessage)e); |
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311 } |
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312 protected virtual void HandleInvalidateMessage(IFBGControl sender, FBGInvalidateMessage e) { |
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313 e.Area = new Rectangle(PointFromChild(sender, e.Area.Location), e.Area.Size); |
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314 Parent.HandleMessage(this, e); |
| 23 | 315 } |
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316 protected virtual void HandlePointingCaptureMessage(IFBGControl sender, FBGPointingCaptureMessage e) { |
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317 if (e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; |
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318 else if (!e.Capture && !ReferenceEquals(mouseCaptureControl, sender)) e.Capture = false; |
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319 else { |
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320 Parent.HandleMessage(this, e); |
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321 mouseCaptureControl = e.Capture ? sender : null; |
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322 } |
| 23 | 323 } |
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324 protected override void HandleKeyboardEvent(FBGKeyboardEvent e) { |
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325 if (ReferenceEquals(keyboardCaptureControl, null)) base.HandleKeyboardEvent(e); |
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326 else keyboardCaptureControl.HandleEvent(e); |
| 23 | 327 } |
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328 protected virtual void HandleKeyboardCaptureMessage(IFBGControl sender, FBGKeyboardCaptureMessage e) { |
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329 if (!e.Capture && !(ReferenceEquals(keyboardCaptureControl, null) || ReferenceEquals(keyboardCaptureControl, sender))) e.Capture = false; |
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330 else { |
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331 Parent.HandleMessage(this, e); |
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332 IFBGControl prev = keyboardCaptureControl; |
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333 keyboardCaptureControl = e.Capture ? sender : null; |
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334 if (prev != null && prev != sender) prev.HandleEvent(new FBGKeyboardCaptureEvent(false)); |
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335 } |
| 23 | 336 } |
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337 protected override void HandleKeyboardCaptureEvent(FBGKeyboardCaptureEvent e) { |
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338 if (keyboardCaptureControl != null) keyboardCaptureControl.HandleEvent(new FBGKeyboardCaptureEvent(false)); |
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339 base.HandleKeyboardCaptureEvent(e); |
| 23 | 340 } |
| 341 protected override void Orphaned() { | |
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342 IFBGControl[] c = Interlocked.Exchange(ref controls, new IFBGControl[0]); |
| 23 | 343 foreach (IFBGControl control in c) control.Orphaned(); |
| 344 mouseCaptureControl = null; | |
| 345 keyboardCaptureControl = null; | |
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346 base.Orphaned(); |
| 23 | 347 } |
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348 |
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349 #region IList<IFBGControl> Members |
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350 int IList<IFBGControl>.IndexOf(IFBGControl item) { return Array.IndexOf(controls, item); } |
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351 void IList<IFBGControl>.Insert(int index, IFBGControl item) { throw new NotSupportedException(); } |
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352 void IList<IFBGControl>.RemoveAt(int index) { RemoveControl(controls[index]); } |
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353 IFBGControl IList<IFBGControl>.this[int index] { |
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354 get { return controls[index]; } |
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355 set { throw new NotSupportedException(); } |
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356 } |
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357 void ICollection<IFBGControl>.Add(IFBGControl item) { throw new NotSupportedException(); } |
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358 void ICollection<IFBGControl>.Clear() { RemoveAllControls(); } |
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359 bool ICollection<IFBGControl>.Contains(IFBGControl item) { return Array.IndexOf(controls, item) != -1; } |
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360 void ICollection<IFBGControl>.CopyTo(IFBGControl[] array, int arrayIndex) { controls.CopyTo(array, arrayIndex); } |
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361 int ICollection<IFBGControl>.Count { get { return controls.Length; } } |
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362 bool ICollection<IFBGControl>.IsReadOnly { get { return false; } } |
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363 bool ICollection<IFBGControl>.Remove(IFBGControl item) { return RemoveControl(item); } |
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364 IEnumerator<IFBGControl> IEnumerable<IFBGControl>.GetEnumerator() { return ((IEnumerable<IFBGControl>)controls).GetEnumerator(); } |
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365 System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return controls.GetEnumerator(); } |
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366 #endregion |
| 23 | 367 } |
| 368 public class FBGDockContainer : FBGContainerControl { | |
| 369 private Dictionary<IFBGControl, DockStyle> dockStyles = new Dictionary<IFBGControl, DockStyle>(); | |
| 370 private Dictionary<IFBGControl, AnchorStyles> anchorStyles = new Dictionary<IFBGControl, AnchorStyles>(); | |
| 371 private Rectangle oldBounds; | |
| 372 public FBGDockContainer(IFBGContainerControl parent) | |
| 373 : base(parent) { | |
| 374 oldBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 375 } | |
| 376 protected override void AddControl(IFBGControl control) { | |
| 377 base.AddControl(control); | |
| 378 } | |
| 379 public override void BringControlToFront(IFBGControl control) { | |
| 380 base.BringControlToFront(control); | |
| 381 if (dockStyles.ContainsKey(control)) DoLayout(); | |
| 382 } | |
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383 public override Boolean RemoveControl(IFBGControl control) { |
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384 if (!base.RemoveControl(control)) return false; |
| 23 | 385 if (dockStyles.Remove(control)) DoLayout(); |
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386 return true; |
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387 } |
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388 public override void RemoveAllControls() { |
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389 base.RemoveAllControls(); |
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390 dockStyles.Clear(); |
| 23 | 391 } |
| 392 public override Rectangle Bounds { | |
| 393 get { return base.Bounds; } | |
| 394 set { | |
| 395 base.Bounds = value; | |
| 396 DoLayout(); | |
| 397 Rectangle newBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 398 foreach (KeyValuePair<IFBGControl, AnchorStyles> c in anchorStyles) { | |
| 399 Rectangle b = c.Key.Bounds; | |
| 400 if ((c.Value & AnchorStyles.Right) != 0) { | |
| 401 if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.Width - oldBounds.Width; | |
| 402 else b.Width += newBounds.Width - oldBounds.Width; | |
| 403 } else if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.X - oldBounds.X; | |
| 404 if ((c.Value & AnchorStyles.Bottom) != 0) { | |
| 405 if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Height - oldBounds.Height; | |
| 406 else b.Height += newBounds.Height - oldBounds.Height; | |
| 407 } else if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Y - oldBounds.Y; | |
| 408 c.Key.Bounds = b; | |
| 409 } | |
| 410 oldBounds = newBounds; | |
| 411 } | |
| 412 } | |
| 413 public DockStyle GetDockStyle(IFBGControl control) { | |
| 414 DockStyle ds; | |
| 415 if (!dockStyles.TryGetValue(control, out ds)) ds = DockStyle.None; | |
| 416 return ds; | |
| 417 } | |
| 418 public void SetDockStyle(IFBGControl control, DockStyle style) { | |
| 419 if (style == DockStyle.None) { | |
| 420 if (dockStyles.Remove(control)) DoLayout(); | |
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421 } else if (Array.IndexOf(controls, control) != -1) { |
| 23 | 422 anchorStyles.Remove(control); |
| 423 dockStyles[control] = style; | |
| 424 DoLayout(); | |
| 425 } | |
| 426 } | |
| 427 public AnchorStyles GetAnchorStyle(IFBGControl control) { | |
| 428 AnchorStyles ds; | |
| 429 if (!anchorStyles.TryGetValue(control, out ds)) ds = AnchorStyles.Left | AnchorStyles.Top; | |
| 430 return ds; | |
| 431 } | |
| 432 public void SetAnchorStyle(IFBGControl control, AnchorStyles style) { | |
| 433 if (style == (AnchorStyles.Left | AnchorStyles.Top)) { | |
| 434 anchorStyles.Remove(control); | |
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435 } else if (Array.IndexOf(controls, control) != -1) { |
| 23 | 436 dockStyles.Remove(control); |
| 437 anchorStyles[control] = style; | |
| 438 } | |
| 439 } | |
| 440 public void SetAnchor(IFBGControl control, AnchorStyles style, int value) { | |
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441 if (Array.IndexOf(controls, control) != -1) { |
| 23 | 442 AnchorStyles oldstyle; |
| 443 if (!anchorStyles.TryGetValue(control, out oldstyle)) oldstyle = AnchorStyles.Left | AnchorStyles.Top; | |
| 444 Rectangle b = control.Bounds; | |
| 445 switch (style) { | |
| 446 case AnchorStyles.None: throw new ArgumentException("style", "Anchor style can not be None"); | |
| 447 case AnchorStyles.Left: b.X = value; break; | |
| 448 case AnchorStyles.Top: b.Y = value; break; | |
| 449 case AnchorStyles.Right: | |
| 450 if ((oldstyle & AnchorStyles.Left) == 0) b.X = ClientRectangle.Width - b.Width - value; | |
| 451 else b.Width = ClientRectangle.Width - b.X - value; | |
| 452 break; | |
| 453 case AnchorStyles.Bottom: | |
| 454 if ((oldstyle & AnchorStyles.Top) == 0) b.Y = ClientRectangle.Height - b.Height - value; | |
| 455 else b.Height = ClientRectangle.Height - b.Y - value; | |
| 456 break; | |
| 457 default: throw new ArgumentOutOfRangeException("style", "The value vor the style argument is invalid"); | |
| 458 } | |
| 459 control.Bounds = b; | |
| 460 dockStyles.Remove(control); | |
| 461 anchorStyles[control] = oldstyle | style; | |
| 462 } | |
| 463 } | |
| 464 private void DoLayout() { | |
| 465 Rectangle a = new Rectangle(Point.Empty, ClientRectangle.IsEmpty ? Bounds.Size : ClientRectangle.Size); | |
| 466 foreach (KeyValuePair<IFBGControl, DockStyle> c in dockStyles) { | |
| 467 Rectangle b = c.Key.Bounds; | |
| 468 if (c.Value == DockStyle.Left) { | |
| 469 b.Location = a.Location; | |
| 470 b.Height = a.Height; | |
| 471 a.X += b.Width; | |
| 472 a.Width -= b.Width; | |
| 473 } else if (c.Value == DockStyle.Top) { | |
| 474 b.Location = a.Location; | |
| 475 b.Width = a.Width; | |
| 476 a.Y += b.Height; | |
| 477 a.Height -= b.Height; | |
| 478 } else if (c.Value == DockStyle.Right) { | |
| 479 b.X = a.X + a.Width - b.Width; | |
| 480 b.Y = a.Y; | |
| 481 b.Height = a.Height; | |
| 482 a.Width -= b.Width; | |
| 483 } else if (c.Value == DockStyle.Bottom) { | |
| 484 b.X = a.X; | |
| 485 b.Y = a.Y + a.Height - b.Height; | |
| 486 b.Width = a.Width; | |
| 487 a.Height -= b.Height; | |
| 488 } else if (c.Value == DockStyle.Fill) { | |
| 489 b = a; | |
| 490 } | |
| 491 c.Key.Bounds = b; | |
| 492 if (a.Width < 0) a.Width = 0; | |
| 493 if (a.Height < 0) a.Height = 0; | |
| 494 } | |
| 495 } | |
| 496 } | |
| 497 public class FBGGroupBox : FBGDockContainer { | |
| 498 private String text = String.Empty; | |
| 78 | 499 public override Rectangle ClientRectangle { get { return new Rectangle(1, 15, Bounds.Width - 2, Bounds.Height - 17); } } |
| 500 public FBGGroupBox(IFBGContainerControl parent) : base(parent) { } | |
| 23 | 501 public String Text { get { return text; } set { if (text == value) return; text = value; Invalidate(new Rectangle(0, 0, Bounds.Width, 15)); } } |
| 502 protected override void Paint(Graphics g) { | |
| 503 base.Paint(g); | |
| 504 SizeF ss = g.MeasureString(Text, SystemFonts.DefaultFont, new Size(Bounds.Width - 10 - 9, 15)); | |
| 78 | 505 g.DrawLines(Pens.Gray, new PointF[] { new PointF(8 + ss.Width + 4, 6), new Point(Bounds.Width - 1, 6), new Point(Bounds.Width - 1, Bounds.Height - 1), new Point(0, Bounds.Height - 1), new Point(0, 6), new Point(8, 6) }); |
| 23 | 506 g.DrawString(Text, SystemFonts.DefaultFont, Brushes.DarkBlue, new Rectangle(9, 0, Bounds.Width - 10 - 9, 15)); |
| 507 } | |
| 508 } | |
| 78 | 509 [System.ComponentModel.DesignerCategory("")] |
| 23 | 510 public class WinFormsFBGHost : Control, IFBGContainerControl { |
| 511 private IFBGControl childControl = null; | |
| 512 private IFBGControl mouseCaptureControl = null; | |
| 513 private IFBGControl keyboardCaptureControl = null; | |
| 514 public IFBGControl ChildControl { get { return childControl; } } | |
| 515 | |
| 516 public WinFormsFBGHost() { | |
| 517 DoubleBuffered = true; | |
| 518 } | |
| 519 | |
| 520 public virtual Point PointToChild(IFBGControl child, Point point) { | |
| 521 return point - (Size)child.Bounds.Location; | |
| 522 } | |
| 523 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 524 return point + (Size)child.Bounds.Location; | |
| 525 } | |
| 526 | |
| 527 void IFBGContainerControl.AddControl(IFBGControl control) { | |
| 528 if (!ReferenceEquals(childControl, null)) throw new InvalidOperationException("This container can have only one child control"); | |
| 529 childControl = control; | |
| 530 control.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 531 Invalidate(control.Bounds); | |
| 532 } | |
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533 Boolean IFBGContainerControl.RemoveControl(IFBGControl control) { |
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534 if (!ReferenceEquals(childControl, control)) return false; |
| 23 | 535 childControl = null; |
| 536 Invalidate(control.Bounds); | |
| 537 if (mouseCaptureControl == control) mouseCaptureControl = null; | |
| 538 if (keyboardCaptureControl == control) control = null; | |
| 539 control.Orphaned(); | |
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540 return true; |
| 23 | 541 } |
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542 void IFBGContainerControl.HandleMessage(IFBGControl sender, FBGMessage e) { |
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543 if (e is FBGInvalidateMessage) { |
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544 FBGInvalidateMessage p = (FBGInvalidateMessage)e; |
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545 Invalidate(new Rectangle(PointFromChild(sender, p.Area.Location), p.Area.Size)); |
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546 } else if (e is FBGPointingCaptureMessage) { |
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547 FBGPointingCaptureMessage p = (FBGPointingCaptureMessage)e; |
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548 if (p.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) p.Capture = false; |
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549 else if (!p.Capture && !ReferenceEquals(mouseCaptureControl, sender)) p.Capture = false; |
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550 else mouseCaptureControl = p.Capture ? sender : null; |
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551 } else if (e is FBGKeyboardCaptureMessage) { |
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552 FBGKeyboardCaptureMessage p = (FBGKeyboardCaptureMessage)e; |
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553 if (!p.Capture && !ReferenceEquals(keyboardCaptureControl, sender)) p.Capture = false; |
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554 else keyboardCaptureControl = p.Capture ? sender : null; |
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555 } |
| 23 | 556 } |
| 557 | |
| 558 protected override void OnPaint(PaintEventArgs e) { | |
| 559 base.OnPaint(e); | |
| 560 Graphics g = e.Graphics; | |
| 561 GraphicsState state = g.Save(); | |
| 562 g.SetClip(e.ClipRectangle); | |
| 563 if (ReferenceEquals(childControl, null)) return; | |
| 564 if (childControl.Bounds.Width <= 0 || childControl.Bounds.Height <= 0) return; | |
| 565 if (!g.ClipBounds.IntersectsWith((RectangleF)childControl.Bounds)) return; | |
| 566 g.TranslateTransform(childControl.Bounds.X, childControl.Bounds.Y, MatrixOrder.Append); | |
| 567 g.IntersectClip(new Rectangle(Point.Empty, childControl.Bounds.Size)); | |
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568 childControl.HandleEvent(new FBGPaintEvent(g)); |
| 23 | 569 g.Restore(state); |
| 570 } | |
| 571 protected override void OnResize(EventArgs e) { | |
| 572 if (!ReferenceEquals(childControl, null)) childControl.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 573 base.OnResize(e); | |
| 574 } | |
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575 void DispatchMouseEvent(MouseEventArgs e, FBGPointingEventType type) { |
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576 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; |
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577 if (control != null) control.HandleEvent(new FBGPointingEvent(e.Location, e.Button, type)); |
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578 } |
| 23 | 579 protected override void OnMouseDown(MouseEventArgs e) { |
| 580 base.OnMouseDown(e); | |
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581 DispatchMouseEvent(e, FBGPointingEventType.ButtonDown); |
| 23 | 582 } |
| 583 protected override void OnMouseUp(MouseEventArgs e) { | |
| 584 base.OnMouseUp(e); | |
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585 DispatchMouseEvent(e, FBGPointingEventType.ButtonUp); |
| 23 | 586 } |
| 587 protected override void OnMouseMove(MouseEventArgs e) { | |
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588 DispatchMouseEvent(e, FBGPointingEventType.Move); |
| 23 | 589 } |
| 590 protected override bool IsInputChar(char charCode) { | |
| 591 return true; | |
| 592 } | |
| 593 protected override bool IsInputKey(Keys keyData) { | |
| 594 return true; | |
| 595 } | |
| 596 protected override void OnKeyDown(KeyEventArgs e) { | |
| 597 //base.OnKeyDown(e); | |
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598 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(e.KeyData, Char.MinValue, true)); |
| 23 | 599 } |
| 600 protected override void OnKeyPress(KeyPressEventArgs e) { | |
| 601 //base.OnKeyPress(e); | |
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602 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(Keys.None, e.KeyChar, true)); |
| 23 | 603 } |
| 604 protected override void OnKeyUp(KeyEventArgs e) { | |
| 605 //base.OnKeyUp(e); | |
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606 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(e.KeyData, Char.MinValue, false)); |
| 23 | 607 } |
| 608 protected override void OnHandleDestroyed(EventArgs e) { | |
| 609 if (!ReferenceEquals(childControl, null)) childControl.Orphaned(); | |
| 610 base.OnHandleDestroyed(e); | |
| 611 } | |
| 612 } | |
| 613 public class FBGCursor { | |
| 614 public Image Image { get; private set; } | |
| 615 public Point Hotspot { get; private set; } | |
| 616 public Size Size { get; private set; } | |
| 617 public FBGCursor(Image image, Point hotspot) { | |
| 618 this.Image = image; | |
| 619 this.Hotspot = hotspot; | |
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620 this.Size = image == null ? Size.Empty : image.Size; |
| 23 | 621 } |
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622 public Rectangle Area { get { return new Rectangle(-Hotspot.X, -Hotspot.Y, Size.Width, Size.Height); } } |
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623 public FBGCursor RotateFlip(RotateFlipType type) { |
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624 if (Image == null) return this; |
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625 Image img = new Bitmap(Image); |
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626 img.RotateFlip(type); |
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627 Point hs = Hotspot; |
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628 switch (type) { |
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629 case RotateFlipType.RotateNoneFlipNone: break; |
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630 case RotateFlipType.Rotate90FlipNone: hs = new Point(img.Width - hs.Y, hs.X); break; |
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631 case RotateFlipType.Rotate180FlipNone: hs = new Point(img.Width - hs.X, img.Height - hs.Y); break; |
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632 case RotateFlipType.Rotate270FlipNone: hs = new Point(hs.Y, img.Height - hs.X); break; |
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633 case RotateFlipType.RotateNoneFlipX: hs.X = img.Width - hs.X; break; |
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634 case RotateFlipType.Rotate90FlipX: hs = new Point(hs.Y, hs.X); break; |
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635 case RotateFlipType.RotateNoneFlipY: hs.Y = img.Height - hs.Y; break; |
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636 case RotateFlipType.Rotate90FlipY: hs = new Point(img.Width - hs.Y, img.Height - hs.X); break; |
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637 } |
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638 return new FBGCursor(img, hs); |
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639 } |
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640 public static FBGCursor FromBase64Image(String data, Point hotspot) { |
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641 return new FBGCursor(Image.FromStream(new MemoryStream(Convert.FromBase64String(data))), hotspot); |
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642 } |
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643 private static FBGCursor LoadFromResource(String name, int hotX, int hotY) { |
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644 using (Stream s = Assembly.GetExecutingAssembly().GetManifestResourceStream("UCIS.FBGUI." + name + ".png")) { |
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645 return new FBGCursor(Image.FromStream(s), new Point(hotX, hotY)); |
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646 } |
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647 } |
| 23 | 648 |
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649 public static readonly FBGCursor None = new FBGCursor(null, Point.Empty); |
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650 public static readonly FBGCursor Arrow = LoadFromResource("cursor_arrow", 0, 0); |
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651 public static readonly FBGCursor Move = LoadFromResource("cursor_move", 8, 8); |
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652 public static readonly FBGCursor SizeLeft = LoadFromResource("cursor_left", 1, 10); |
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653 public static readonly FBGCursor SizeRight = SizeLeft.RotateFlip(RotateFlipType.RotateNoneFlipX); |
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654 public static readonly FBGCursor SizeTop = SizeLeft.RotateFlip(RotateFlipType.Rotate90FlipNone); |
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655 public static readonly FBGCursor SizeBottom = SizeLeft.RotateFlip(RotateFlipType.Rotate90FlipY); |
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656 public static readonly FBGCursor SizeTopLeft = LoadFromResource("cursor_topleft", 1, 1); |
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657 public static readonly FBGCursor SizeTopRight = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipX); |
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658 public static readonly FBGCursor SizeBottomLeft = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipY); |
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659 public static readonly FBGCursor SizeBottomRight = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipXY); |
| 40 | 660 public static readonly FBGCursor Hand = LoadFromResource("cursor_hand", 5, 0); |
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661 public static readonly FBGCursor IBeam = LoadFromResource("cursor_ibeam", 3, 7); |
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662 public static FBGCursor ArrowCursor { get { return Arrow; } } |
| 23 | 663 } |
| 664 public class FBGRenderer : FBGContainerControl, IDisposable { | |
| 665 private FBGCursor cursor = null; | |
| 666 private Point cursorposition = Point.Empty; | |
| 667 public IFramebuffer Framebuffer { get; private set; } | |
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668 private Bitmap Frontbuffer = null; |
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669 protected Object RenderLock = new object(); |
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670 private Object StatusLock = new object(); |
| 23 | 671 public event EventHandler<InvalidateEventArgs> Painted; |
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672 protected Size size = Size.Empty; |
| 23 | 673 private ThreadingTimer PaintTimer = null; |
| 674 private Boolean PaintScheduled = false; | |
| 675 private int PaintDelay = 0; | |
| 676 public Boolean SuspendDrawing { | |
| 677 get { return suspenddrawing; } | |
| 678 set { | |
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679 lock (StatusLock) suspenddrawing = value; |
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680 if (value) return; |
| 23 | 681 lock (RenderLock) { |
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682 Refresh(DirtyRectangle); |
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683 DirtyRectangle = Rectangle.Empty; |
| 23 | 684 } |
| 685 } | |
| 686 } | |
| 687 public int RedrawDelay { | |
| 688 get { return PaintDelay; } | |
| 689 set { | |
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690 lock (StatusLock) { |
| 23 | 691 if (value < 0) throw new ArgumentOutOfRangeException("value"); |
| 692 PaintDelay = value; | |
| 693 if (PaintDelay == 0) { | |
| 694 if (PaintTimer != null) PaintTimer.Dispose(); | |
| 695 PaintTimer = null; | |
| 696 } else { | |
| 697 PaintTimer = new ThreadingTimer(PaintTimerCallback); | |
| 698 } | |
| 699 } | |
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700 if (PaintScheduled) PaintTimerCallback(null); |
| 23 | 701 } |
| 702 } | |
| 703 private Boolean suspenddrawing = false; | |
| 704 private Rectangle DirtyRectangle; | |
| 705 | |
| 706 public Point CursorPosition { | |
| 707 get { return cursorposition; } | |
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708 set { UpdateCursor(value, cursor); } |
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709 } |
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710 protected void UpdateCursor(Point position, FBGCursor cursor) { |
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711 if (cursorposition == position && cursor == this.cursor) return; |
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712 Rectangle r1 = Rectangle.Empty; |
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713 if (this.cursor != null) { |
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714 r1 = this.cursor.Area; |
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715 r1.Offset(cursorposition); |
| 23 | 716 } |
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717 if (cursor != null) { |
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718 Rectangle r2 = cursor.Area; |
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719 r2.Offset(position); |
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720 r1 = r1.IsEmpty ? r2 : Rectangle.Union(r1, r2); |
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721 } |
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722 this.cursor = cursor; |
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723 cursorposition = position; |
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724 Invalidate(r1); |
| 23 | 725 } |
| 726 public override Rectangle Bounds { | |
| 727 get { return new Rectangle(Point.Empty, size); } | |
| 728 set { throw new NotSupportedException("Can not change the top control bounds"); } | |
| 729 } | |
| 730 public FBGRenderer(IFramebuffer fb) : this(fb.Width, fb.Height) { | |
| 731 Framebuffer = fb; | |
| 732 } | |
| 733 public FBGRenderer(Size fbsize) : this(fbsize.Width, fbsize.Height) { } | |
| 734 public FBGRenderer(int width, int height) : this(new Bitmap(width, height, PixelFormat.Format32bppRgb)) { } | |
| 735 public FBGRenderer(Bitmap bmp) : base(null) { | |
| 736 Frontbuffer = bmp; | |
| 737 BackColor = SystemColors.Control; | |
| 738 size = Frontbuffer.Size; | |
| 739 } | |
|
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740 protected FBGRenderer() : base(null) { |
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741 BackColor = SystemColors.Control; |
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742 } |
|
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743 protected override void HandleInvalidateMessage(IFBGControl sender, FBGInvalidateMessage e) { |
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744 e.Area = new Rectangle(PointFromChild(sender, e.Area.Location), e.Area.Size); |
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745 Invalidate(e.Area); |
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746 } |
| 23 | 747 public override void Invalidate(Rectangle rect) { |
| 748 if (rect.Width == 0 || rect.Height == 0) return; | |
|
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749 Boolean drawDirect = false; |
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750 lock (StatusLock) { |
| 23 | 751 if (SuspendDrawing || PaintTimer != null) { |
| 752 DirtyRectangle = DirtyRectangle.IsEmpty ? rect : Rectangle.Union(DirtyRectangle, rect); | |
| 753 if (!SuspendDrawing && !PaintScheduled) { | |
| 754 PaintScheduled = true; | |
| 755 PaintTimer.Change(PaintDelay, Timeout.Infinite); | |
| 756 } | |
| 757 } else { | |
|
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758 drawDirect = true; |
| 23 | 759 } |
| 760 } | |
|
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761 if (drawDirect) Refresh(rect); |
| 23 | 762 } |
| 763 private void PaintTimerCallback(Object state) { | |
| 764 try { | |
|
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765 Rectangle rect; |
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766 lock (StatusLock) { |
| 23 | 767 PaintScheduled = false; |
|
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768 rect = DirtyRectangle; |
| 23 | 769 DirtyRectangle = Rectangle.Empty; |
| 770 } | |
|
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771 Refresh(rect); |
|
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772 } catch (Exception ex) { |
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773 Debug.WriteLine(ex); |
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774 Console.Error.WriteLine(ex); |
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775 } |
| 23 | 776 } |
|
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777 protected virtual void Refresh(Rectangle rect) { |
| 23 | 778 lock (RenderLock) { |
| 779 rect.Intersect(Bounds); | |
| 780 if (rect.Width == 0 || rect.Height == 0) return; | |
|
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781 if (Frontbuffer != null) { |
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782 using (Graphics g = Graphics.FromImage(Frontbuffer)) { |
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783 g.SetClip(rect); |
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784 Paint(g); |
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785 } |
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786 if (Framebuffer != null) Framebuffer.DrawImage(Frontbuffer, rect, rect.Location); |
| 23 | 787 } |
| 788 RaiseEvent(Painted, new InvalidateEventArgs(rect)); | |
| 789 } | |
| 790 } | |
|
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791 public virtual new void Paint(Graphics g) { |
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792 HandleEvent(new FBGPaintEvent(g)); |
|
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793 if (cursor != null && cursor.Image != null) { |
| 42 | 794 Rectangle r = cursor.Area; |
| 795 r.Offset(cursorposition); | |
| 796 g.DrawImage(cursor.Image, r); | |
| 23 | 797 } |
| 798 } | |
|
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799 protected override void HandlePointingCaptureMessage(IFBGControl sender, FBGPointingCaptureMessage e) { |
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800 if (e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; |
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801 else if (!e.Capture && !ReferenceEquals(mouseCaptureControl, sender)) e.Capture = false; |
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802 else mouseCaptureControl = e.Capture ? sender : null; |
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803 } |
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804 protected override void HandleKeyboardCaptureMessage(IFBGControl sender, FBGKeyboardCaptureMessage e) { |
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805 if (!e.Capture && !ReferenceEquals(keyboardCaptureControl, sender)) e.Capture = false; |
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806 else { |
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807 IFBGControl prev = keyboardCaptureControl; |
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808 keyboardCaptureControl = e.Capture ? sender : null; |
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809 if (prev != null && prev != sender) prev.HandleEvent(new FBGKeyboardCaptureEvent(false)); |
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810 } |
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811 } |
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812 |
| 23 | 813 protected override Boolean CaptureMouse(Boolean capture) { |
| 814 return true; | |
| 815 } | |
| 816 protected override Boolean CaptureKeyboard(bool capture) { | |
| 817 return true; | |
| 818 } | |
|
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819 public virtual void Dispose() { |
|
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820 lock (StatusLock) { |
| 23 | 821 if (PaintTimer != null) PaintTimer.Dispose(); |
| 822 PaintTimer = null; | |
| 823 } | |
| 824 Orphaned(); | |
|
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825 lock (RenderLock) { |
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826 if (Frontbuffer != null) Frontbuffer.Dispose(); |
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827 Frontbuffer = null; |
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828 } |
| 23 | 829 } |
| 830 public Bitmap LockBitmapBuffer() { | |
| 831 Monitor.Enter(RenderLock); | |
| 832 return Frontbuffer; | |
| 833 } | |
| 834 public void UnlockBitmapBuffer() { | |
| 835 Monitor.Exit(RenderLock); | |
| 836 } | |
|
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837 void DispatchPointingEvent(Point position, MouseButtons buttons, FBGPointingEventType type) { |
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838 FBGPointingEvent e = new FBGPointingEvent(position, buttons, type); |
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839 HandleEvent(e); |
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840 UpdateCursor(cursorposition, e.Cursor); |
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841 } |
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842 public new void MouseMove(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.Move); } |
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843 public new void MouseDown(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.ButtonDown); } |
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844 public new void MouseUp(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.ButtonUp); } |
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845 public new void KeyDown(Keys key) { KeyDown(key, Char.MinValue); } |
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846 public new void KeyPress(Char key) { KeyDown(Keys.None, key); } |
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847 public new void KeyUp(Keys key) { KeyUp(key, Char.MinValue); } |
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848 public void KeyDown(Keys key, Char keyChar) { HandleEvent(new FBGKeyboardEvent(key, keyChar, true)); } |
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849 public void KeyUp(Keys key, Char keyChar) { HandleEvent(new FBGKeyboardEvent(key, keyChar, false)); } |
| 23 | 850 } |
| 851 public class FBGForm : FBGDockContainer { | |
| 852 private Point prevPosition = Point.Empty; | |
| 853 private NonClientOps moveresize = 0; | |
| 854 private String text = String.Empty; | |
| 855 public event EventHandler TextChanged; | |
| 31 | 856 public event EventHandler Closed; |
| 23 | 857 public Boolean Sizable { get; set; } |
| 858 public Boolean Movable { get; set; } | |
| 859 public Boolean Closable { get; set; } | |
| 860 [Flags] | |
| 861 private enum NonClientOps : int { | |
| 862 None = 0, | |
| 863 Move = 1, | |
| 864 ResizeLeft = 2, | |
| 865 ResizeRight = 4, | |
| 866 ResizeTop = 8, | |
| 867 ResizeBottom = 16, | |
| 868 ButtonClose = 32, | |
| 869 MoveResize = ResizeLeft | ResizeRight | ResizeBottom | ResizeTop | Move, | |
| 870 } | |
| 78 | 871 public override Rectangle ClientRectangle { get { return new Rectangle(4, 22, Bounds.Width - 8, Bounds.Height - 26); } } |
| 23 | 872 public FBGForm(IFBGContainerControl parent) : base(parent) { |
| 873 BackColor = SystemColors.Control; | |
| 874 Sizable = true; | |
| 875 Movable = true; | |
| 876 Closable = false; | |
| 877 } | |
| 878 public String Text { get { return text; } set { if (text == value) return; text = value; Invalidate(new Rectangle(0, 0, Bounds.Width, 20)); RaiseEvent(TextChanged); } } | |
|
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879 private NonClientOps GetNonClientOperation(Point p) { |
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880 if ((new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(p)) return NonClientOps.ButtonClose; |
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881 NonClientOps mr = 0; |
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882 if (Sizable) { |
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883 if (Movable) { |
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884 if (p.X < 4) mr |= NonClientOps.ResizeLeft; |
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885 if (p.Y < 4) mr |= NonClientOps.ResizeTop; |
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886 } |
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887 if (p.X >= Bounds.Width - 4) mr |= NonClientOps.ResizeRight; |
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888 if (p.Y >= Bounds.Height - 4) mr |= NonClientOps.ResizeBottom; |
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889 } |
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890 if (mr == 0 && Movable && p.Y < 20) mr = NonClientOps.Move; |
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891 return mr; |
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892 } |
|
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893 private void SetCursorForNonClientOperation(NonClientOps op, FBGPointingEvent e) { |
|
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894 switch (op & NonClientOps.MoveResize) { |
|
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895 case NonClientOps.Move: e.Cursor = FBGCursor.Move; break; |
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896 case NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeLeft; break; |
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897 case NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeRight; break; |
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898 case NonClientOps.ResizeBottom: e.Cursor = FBGCursor.SizeBottom; break; |
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899 case NonClientOps.ResizeTop: e.Cursor = FBGCursor.SizeTop; break; |
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900 case NonClientOps.ResizeTop | NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeTopLeft; break; |
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901 case NonClientOps.ResizeTop | NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeTopRight; break; |
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902 case NonClientOps.ResizeBottom | NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeBottomLeft; break; |
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903 case NonClientOps.ResizeBottom | NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeBottomRight; break; |
|
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904 } |
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905 } |
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906 protected override void HandlePointingEvent(FBGPointingEvent e) { |
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907 if (Cursor != null) e.Cursor = Cursor; |
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908 if (HandlePointingEventA(e)) base.HandlePointingEvent(e); |
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909 } |
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910 Boolean HandlePointingEventA(FBGPointingEvent e) { |
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911 switch (e.Type) { |
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912 case FBGPointingEventType.Move: return MouseMove(e.Position, e.Buttons, e); |
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913 case FBGPointingEventType.ButtonDown: return MouseDown(e.Position, e.Buttons, e); |
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914 case FBGPointingEventType.ButtonUp: return MouseUp(e.Position, e.Buttons, e); |
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915 default: return true; |
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916 } |
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917 } |
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918 Boolean MouseDown(Point p, MouseButtons buttons, FBGPointingEvent e) { |
| 23 | 919 NonClientOps mr = 0; |
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920 if ((buttons & MouseButtons.Left) != 0) mr = GetNonClientOperation(p); |
| 23 | 921 if (mr != 0) { |
| 922 moveresize = mr; | |
| 923 prevPosition = p; | |
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924 SetCursorForNonClientOperation(moveresize, e); |
| 23 | 925 CaptureMouse(true); |
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926 return false; |
| 23 | 927 } else { |
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928 return true; |
| 23 | 929 } |
| 930 } | |
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931 Boolean MouseMove(Point position, MouseButtons buttons, FBGPointingEvent e) { |
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932 NonClientOps mr = moveresize; |
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933 if (mr == 0) mr = GetNonClientOperation(position); |
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934 if (mr == 0) return true; |
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935 SetCursorForNonClientOperation(mr, e); |
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936 if ((moveresize & NonClientOps.MoveResize) != 0) { |
| 23 | 937 Rectangle b = Bounds; |
| 938 int dx = position.X - prevPosition.X; | |
| 939 int dy = position.Y - prevPosition.Y; | |
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940 if (moveresize == NonClientOps.Move) { |
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941 b.Offset(dx, dy); |
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942 } |
| 23 | 943 if ((moveresize & NonClientOps.ResizeLeft) != 0) { |
| 944 b.X += dx; | |
| 945 b.Width -= dx; | |
| 946 } else if ((moveresize & NonClientOps.ResizeRight) != 0) { | |
| 947 b.Width += dx; | |
| 948 prevPosition.X = position.X; | |
| 949 } | |
| 950 if ((moveresize & NonClientOps.ResizeTop) != 0) { | |
| 951 b.Y += dy; | |
| 952 b.Height -= dy; | |
| 953 } else if ((moveresize & NonClientOps.ResizeBottom) != 0) { | |
| 954 b.Height += dy; | |
| 955 prevPosition.Y = position.Y; | |
| 956 } | |
| 957 if (b.Width < 55) b.Width = 55; | |
| 958 if (b.Height < 25) b.Height = 25; | |
| 959 Bounds = b; | |
| 960 } | |
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961 return false; |
| 23 | 962 } |
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963 Boolean MouseUp(Point position, MouseButtons buttons, FBGPointingEvent e) { |
| 23 | 964 if (moveresize == 0) { |
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965 SetCursorForNonClientOperation(GetNonClientOperation(position), e); |
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966 return true; |
| 23 | 967 } else if ((buttons & MouseButtons.Left) != 0) { |
| 968 MouseMove(position, buttons); | |
| 969 CaptureMouse(false); | |
| 970 if (moveresize == NonClientOps.ButtonClose && (new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(position) && Closable) Close(); | |
| 971 moveresize = 0; | |
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972 SetCursorForNonClientOperation(GetNonClientOperation(position), e); |
| 23 | 973 } |
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974 return false; |
| 23 | 975 } |
| 976 protected override void Paint(Graphics g) { | |
| 977 base.Paint(g); | |
| 978 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 979 g.DrawRectangle(Pens.LightGray, 1, 1, Bounds.Width - 3, Bounds.Height - 3); | |
| 980 g.DrawRectangle(Pens.DarkGray, 2, 20, Bounds.Width - 5, Bounds.Height - 23); | |
| 981 g.DrawRectangle(Pens.Gray, 3, 21, Bounds.Width - 7, Bounds.Height - 25); | |
| 982 using (Brush b = new LinearGradientBrush(new Rectangle(0, 1, 1, 18), Color.Gray, Color.LightGray, LinearGradientMode.Vertical)) | |
| 983 g.FillRectangle(b, 2, 2, Bounds.Width - 4, 18); | |
| 984 | |
| 985 g.DrawString(Text, SystemFonts.CaptionFont, Brushes.Black, 4, 1); | |
| 986 | |
| 987 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14, 4, 14, 14); | |
| 988 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 16, 4, 14, 14); | |
| 989 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 32, 4, 14, 14); | |
| 990 using (Brush b = new LinearGradientBrush(new Rectangle(0, 5, 1, 13), Color.LightGray, Color.DarkGray, LinearGradientMode.Vertical)) { | |
| 991 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1, 5, 13, 13); | |
| 992 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 16, 5, 13, 13); | |
| 993 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 32, 5, 13, 13); | |
| 994 } | |
| 995 if (Closable) { | |
| 996 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 14 - 3); | |
| 997 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 14 - 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 3); | |
| 998 } | |
| 999 } | |
| 1000 public void Close() { | |
| 1001 Parent.RemoveControl(this); | |
| 31 | 1002 RaiseEvent(Closed); |
| 23 | 1003 } |
| 1004 } | |
| 1005 public class FBGDesktop : FBGContainerControl { | |
| 1006 FBGContainerControl windowcontainer; | |
| 1007 FBGContainerControl menucontainer; | |
| 1008 Boolean startup = true; | |
| 1009 class FBGWindowState { | |
| 1010 public IFBGControl Control; | |
| 1011 public FBGButton MenuButton; | |
| 1012 public Boolean Visible; | |
| 1013 public Rectangle OldBounds; | |
| 1014 public FBGWindowState(IFBGControl cntrl, FBGButton btn) { | |
| 1015 Control = cntrl; | |
| 1016 MenuButton = btn; | |
| 1017 Visible = true; | |
| 1018 } | |
| 1019 } | |
| 1020 Dictionary<IFBGControl, FBGWindowState> windowstates = new Dictionary<IFBGControl, FBGWindowState>(); | |
| 1021 public FBGDesktop(IFBGContainerControl parent) : base(parent) { | |
| 1022 menucontainer = new FBGContainerControl(this); | |
| 1023 menucontainer.Bounds = new Rectangle(0, Bounds.Height - 25, Bounds.Width, 25); | |
| 1024 windowcontainer = new FBGContainerControl(this); | |
| 1025 windowcontainer.Bounds = new Rectangle(0, 0, Bounds.Width, Bounds.Height - 25); | |
| 1026 startup = false; | |
| 1027 } | |
| 1028 public override Rectangle Bounds { | |
| 1029 get { return base.Bounds; } | |
| 1030 set { | |
| 1031 if (Bounds == value) return; | |
| 1032 base.Bounds = value; | |
| 1033 if (startup) return; | |
| 1034 menucontainer.Bounds = new Rectangle(0, value.Height - 25, value.Width, 25); | |
| 1035 windowcontainer.Bounds = new Rectangle(0, 0, value.Width, value.Height - 25); | |
| 1036 ScaleMenuButtons(); | |
| 1037 } | |
| 1038 } | |
| 1039 protected override void AddControl(IFBGControl control) { | |
| 1040 if (startup) { | |
| 1041 base.AddControl(control); | |
| 1042 return; | |
| 1043 } | |
| 1044 ((IFBGContainerControl)windowcontainer).AddControl(control); | |
| 1045 FBGButton btn = new FBGButton(menucontainer); | |
| 1046 FBGForm formcontrol = control as FBGForm; | |
| 1047 if (formcontrol == null) { | |
| 1048 btn.Text = "Untitled"; | |
| 1049 } else { | |
| 1050 formcontrol.TextChanged += delegate(Object sender, EventArgs e) { | |
| 1051 btn.Text = formcontrol.Text; | |
| 1052 }; | |
| 1053 btn.Text = formcontrol.Text; | |
| 1054 } | |
| 1055 FBGWindowState ws = new FBGWindowState(control, btn); | |
| 1056 windowstates.Add(control, ws); | |
| 1057 ScaleMenuButtons(); | |
| 1058 btn.Click += delegate(Object sender, EventArgs e) { | |
| 1059 if (ws.Visible) { | |
| 1060 if (ws.MenuButton.BackColor == Color.DarkGray) { | |
| 1061 ws.OldBounds = ws.Control.Bounds; | |
| 1062 ws.Visible = false; | |
| 1063 ws.Control.Bounds = Rectangle.Empty; | |
| 1064 } else { | |
| 1065 windowcontainer.BringControlToFront(ws.Control); | |
| 1066 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 1067 ws.MenuButton.BackColor = Color.DarkGray; | |
| 1068 } | |
| 1069 } else { | |
| 1070 ws.Control.Bounds = ws.OldBounds; | |
| 1071 ws.Visible = true; | |
| 1072 windowcontainer.BringControlToFront(ws.Control); | |
| 1073 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 1074 ws.MenuButton.BackColor = Color.DarkGray; | |
| 1075 } | |
| 1076 }; | |
| 1077 } | |
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1078 public override Boolean RemoveControl(IFBGControl control) { |
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1079 if (!windowcontainer.RemoveControl(control)) return false; |
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1080 FBGWindowState ws = windowstates[control]; |
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1081 menucontainer.RemoveControl(ws.MenuButton); |
| 23 | 1082 windowstates.Remove(control); |
| 1083 ScaleMenuButtons(); | |
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1084 return true; |
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1085 } |
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1086 public override void RemoveAllControls() { |
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1087 windowcontainer.RemoveAllControls(); |
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1088 menucontainer.RemoveAllControls(); |
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1089 windowstates.Clear(); |
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1090 ScaleMenuButtons(); |
| 23 | 1091 } |
| 1092 private void ScaleMenuButtons() { | |
| 1093 int bcount = windowstates.Count; | |
| 1094 int bwidth = 200; | |
| 1095 int twidth = bwidth * bcount; | |
| 1096 if (twidth > Bounds.Width) bwidth = menucontainer.Bounds.Width / bcount; | |
| 1097 int i = 0; | |
| 1098 foreach (FBGWindowState ws in windowstates.Values) { | |
| 1099 ws.MenuButton.Bounds = new Rectangle(i * bwidth, 0, bwidth, 25); | |
| 1100 i++; | |
| 1101 } | |
| 1102 } | |
| 1103 protected override void Paint(Graphics g) { | |
| 1104 base.Paint(g); | |
| 1105 g.DrawLine(Pens.Black, 0, Bounds.Height - 25, Bounds.Width, Bounds.Height - 25); | |
| 1106 } | |
| 1107 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1108 IFBGControl control = FindControlAtPosition(position); | |
| 1109 if (ReferenceEquals(control, windowcontainer)) { | |
| 1110 control = windowcontainer.FindControlAtPosition(PointToChild(windowcontainer, position)); | |
| 1111 if (!ReferenceEquals(control, null)) { | |
| 1112 windowcontainer.BringControlToFront(control); | |
| 1113 foreach (FBGWindowState ws in windowstates.Values) | |
| 1114 ws.MenuButton.BackColor = ReferenceEquals(ws.Control, control) ? Color.DarkGray : SystemColors.ButtonFace; | |
| 1115 } | |
| 1116 } | |
| 1117 base.MouseDown(position, buttons); | |
| 1118 } | |
| 1119 } | |
| 1120 | |
| 1121 public class FBGLabel : FBGControl, IDisposable { | |
| 1122 public FBGLabel(IFBGContainerControl parent) : base(parent) { | |
| 1123 Size = new Size(200, 16); | |
| 1124 } | |
| 1125 private String text = String.Empty; | |
| 1126 private Font font = SystemFonts.DefaultFont; | |
| 1127 private Brush brush = SystemBrushes.ControlText; | |
| 1128 private StringFormat stringformat = new StringFormat(); | |
| 1129 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1130 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1131 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } | |
| 1132 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 1133 public StringAlignment Alignment { get { return stringformat.Alignment; } set { stringformat.Alignment = value; Invalidate(); } } | |
| 1134 public StringFormatFlags FormatFlags { get { return stringformat.FormatFlags; } set { stringformat.FormatFlags = value; Invalidate(); } } | |
| 1135 public StringAlignment LineAlignment { get { return stringformat.LineAlignment; } set { stringformat.LineAlignment = value; Invalidate(); } } | |
| 1136 public StringTrimming Trimming { get { return stringformat.Trimming; } set { stringformat.Trimming = value; Invalidate(); } } | |
| 1137 protected override void Paint(Graphics g) { | |
| 1138 base.Paint(g); | |
| 1139 g.DrawString(text, font, brush, new Rectangle(Point.Empty, Bounds.Size), stringformat); | |
| 1140 } | |
| 1141 public void Dispose() { | |
| 1142 stringformat.Dispose(); | |
| 1143 } | |
| 1144 protected override void Orphaned() { | |
| 1145 base.Orphaned(); | |
| 1146 Dispose(); | |
| 1147 } | |
| 1148 } | |
| 1149 public class FBGTextBox : FBGControl { | |
| 1150 public FBGTextBox(IFBGContainerControl parent) : base(parent) { | |
| 1151 BackColor = Color.White; | |
| 1152 Size = new Size(200, 20); | |
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1153 Cursor = FBGCursor.IBeam; |
| 23 | 1154 } |
| 1155 private String text = String.Empty; | |
| 1156 private Char passwordChar = (Char)0; | |
| 1157 private Font font = new Font(FontFamily.GenericMonospace, 10); | |
| 1158 private Brush brush = SystemBrushes.ControlText; | |
| 1159 private Boolean hasKeyboardFocus = false; | |
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1160 private float[] characterPositions = null; |
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1161 public String Text { get { return text; } set { text = value; if (CaretPosition > text.Length) CaretPosition = text.Length; characterPositions = null; Invalidate(); RaiseEvent(TextChanged); } } |
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1162 public Font Font { get { return font; } set { font = value; characterPositions = null; Invalidate(); } } |
| 23 | 1163 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } |
| 1164 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 1165 public Int32 CaretPosition { get; private set; } | |
| 1166 public Char PasswordChar { get { return passwordChar; } set { passwordChar = value; Invalidate(); } } | |
| 1167 public event EventHandler TextChanged; | |
| 1168 public event KeyPressEventHandler OnKeyPress; | |
| 1169 protected override void Paint(Graphics g) { | |
| 1170 base.Paint(g); | |
| 1171 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
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1172 float[] positions = characterPositions; |
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1173 String textbuffer = text; |
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1174 int textlength = textbuffer == null ? 0 : textbuffer.Length; |
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1175 if (positions == null || positions.Length != textlength) characterPositions = positions = new float[text.Length]; |
| 23 | 1176 using (StringFormat sf_nonprinting = new StringFormat(StringFormat.GenericTypographic)) { |
| 1177 sf_nonprinting.Trimming = StringTrimming.None; | |
| 1178 sf_nonprinting.FormatFlags = StringFormatFlags.DisplayFormatControl | StringFormatFlags.MeasureTrailingSpaces; | |
| 1179 sf_nonprinting.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.None; | |
| 1180 | |
| 1181 float x = 1; | |
| 1182 float y = 1; | |
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1183 if (hasKeyboardFocus && CaretPosition == 0) g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); |
| 23 | 1184 String c = passwordChar == 0 ? null : new String(passwordChar, 1); |
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1185 for (int i = 0; i < textlength; i++) { |
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1186 if (passwordChar == 0) c = textbuffer.Substring(i, 1); |
| 23 | 1187 g.DrawString(c, font, brush, x, y); |
|
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1188 SizeF s = g.MeasureString(c, font, int.MaxValue, sf_nonprinting); |
| 23 | 1189 x += (float)Math.Ceiling(s.Width); |
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1190 if (positions.Length > i) positions[i] = x; |
| 23 | 1191 |
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1192 if (hasKeyboardFocus && i == CaretPosition - 1) g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); |
| 23 | 1193 } |
| 1194 } | |
| 1195 } | |
|
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1196 int GetCharacterIndexAtPosition(float x) { |
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1197 float[] positions = characterPositions; |
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1198 if (positions == null) return -1; |
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1199 for (int i = 0; i < positions.Length; i++) if (x < characterPositions[i]) return i; |
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1200 return characterPositions.Length; |
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1201 } |
| 23 | 1202 protected override void MouseDown(Point position, MouseButtons buttons) { |
| 1203 hasKeyboardFocus = CaptureKeyboard(true); | |
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1204 CaretPosition = GetCharacterIndexAtPosition(position.X); |
| 23 | 1205 Invalidate(); |
| 1206 } | |
| 1207 protected override void KeyDown(Keys key) { | |
| 1208 if ((key & Keys.KeyCode) == Keys.Left) { | |
| 1209 CaretPosition--; | |
| 1210 if (CaretPosition < 0) CaretPosition = 0; | |
| 1211 Invalidate(); | |
| 1212 } else if ((key & Keys.KeyCode) == Keys.Right) { | |
| 1213 CaretPosition++; | |
| 1214 if (CaretPosition > text.Length) CaretPosition = text.Length; | |
| 1215 Invalidate(); | |
| 1216 } else if ((key & Keys.KeyCode) == Keys.Home) { | |
| 1217 CaretPosition = 0; | |
| 1218 Invalidate(); | |
| 1219 } else if ((key & Keys.KeyCode) == Keys.End) { | |
| 1220 CaretPosition = text.Length; | |
| 1221 Invalidate(); | |
| 1222 } else if ((key & Keys.Control) != 0 && (key & Keys.KeyCode) == Keys.V) { | |
| 1223 String cbtext = Clipboard.GetText(TextDataFormat.UnicodeText); | |
| 1224 CaretPosition += cbtext.Length; | |
| 1225 Text = Text.Insert(CaretPosition - cbtext.Length, cbtext); | |
| 1226 } | |
| 1227 } | |
| 1228 protected override void KeyPress(char keyChar) { | |
| 1229 KeyPressEventArgs e = new KeyPressEventArgs(keyChar); | |
| 1230 RaiseEvent(OnKeyPress, e); | |
| 1231 if (e.Handled) return; | |
| 1232 hasKeyboardFocus = true; | |
| 1233 if (keyChar == 8) { | |
| 1234 if (CaretPosition > 0) { | |
| 1235 CaretPosition--; | |
| 1236 Text = Text.Remove(CaretPosition, 1); | |
| 1237 } | |
| 1238 } else if (keyChar == 127) { | |
| 1239 if (CaretPosition < Text.Length) { | |
| 1240 Text = Text.Remove(CaretPosition, 1); | |
| 1241 } | |
| 1242 } else if (keyChar < 32) { | |
| 1243 } else { | |
| 1244 CaretPosition++; | |
| 1245 Text = Text.Insert(CaretPosition - 1, new String(keyChar, 1)); | |
| 1246 } | |
| 1247 } | |
| 1248 public void Focus() { | |
| 1249 hasKeyboardFocus = CaptureKeyboard(true); | |
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1250 Invalidate(); |
| 23 | 1251 } |
| 1252 protected override void LostKeyboardCapture() { | |
| 1253 base.LostKeyboardCapture(); | |
| 1254 hasKeyboardFocus = false; | |
| 1255 Invalidate(); | |
| 1256 } | |
| 1257 } | |
| 1258 public class FBGButton : FBGControl { | |
| 1259 public FBGButton(IFBGContainerControl parent) : base(parent) { | |
| 1260 BackColor = SystemColors.ButtonFace; | |
| 1261 } | |
| 1262 private String text = String.Empty; | |
| 1263 private Font font = SystemFonts.DefaultFont; | |
| 1264 private Color color = SystemColors.ControlText; | |
| 1265 private Boolean pressed = false; | |
| 1266 private Boolean enabled = true; | |
| 1267 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1268 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1269 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1270 public Boolean Enabled { get { return enabled; } set { enabled = value; Invalidate(); } } | |
| 1271 public event EventHandler Click; | |
| 1272 protected override void Paint(Graphics g) { | |
| 1273 base.Paint(g); | |
| 1274 if (Bounds.Width == 0 || Bounds.Height == 0) return; | |
| 1275 if (BackColor == SystemColors.ButtonFace) { | |
| 1276 ControlPaint.DrawButton(g, new Rectangle(0, 0, Bounds.Width, Bounds.Height), enabled ? (pressed ? ButtonState.Pushed : ButtonState.Normal) : ButtonState.Inactive); | |
| 1277 } else { | |
| 1278 //Hackish and not completely right... | |
| 1279 //Todo: borrowed from mono... possible licencing issues!? | |
| 1280 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, Bounds.Width, 0); | |
| 1281 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, 0, Bounds.Height); | |
| 1282 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), 1, Bounds.Height - 2, Bounds.Width - 1, Bounds.Height - 2); | |
| 1283 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), Bounds.Width - 2, 1, Bounds.Width - 2, Bounds.Height - 2); | |
| 1284 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), 0, Bounds.Height - 1, Bounds.Width, Bounds.Height - 1); | |
| 1285 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), Bounds.Width - 1, 1, Bounds.Width - 1, Bounds.Height - 1); | |
| 1286 Graphics dc = g; | |
| 1287 Rectangle rectangle = new Rectangle(0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1288 Color ColorControl = BackColor; | |
| 1289 Color ColorControlLight = ControlPaint.Light(ColorControl); | |
| 1290 ButtonState state = pressed ? ButtonState.Pushed : ButtonState.Normal; | |
| 1291 using (Pen NormalPen = new Pen(BackColor), LightPen = new Pen(ControlPaint.Light(BackColor)), DarkPen = new Pen(ControlPaint.Dark(BackColor))) { | |
| 1292 // sadly enough, the rectangle gets always filled with a hatchbrush | |
| 1293 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, Color.FromArgb(Math.Min(255, ColorControl.R + 3), ColorControl.G, ColorControl.B), ColorControl)) { | |
| 1294 dc.FillRectangle(hb, rectangle.X + 1, rectangle.Y + 1, rectangle.Width - 2, rectangle.Height - 2); | |
| 1295 } | |
| 1296 if ((state & ButtonState.All) == ButtonState.All || ((state & ButtonState.Checked) == ButtonState.Checked && (state & ButtonState.Flat) == ButtonState.Flat)) { | |
| 1297 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1298 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1299 } | |
| 1300 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1301 } else if ((state & ButtonState.Flat) == ButtonState.Flat) { | |
| 1302 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1303 } else if ((state & ButtonState.Checked) == ButtonState.Checked) { | |
| 1304 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1305 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1306 } | |
| 1307 Pen pen = DarkPen; | |
| 1308 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1309 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1310 | |
| 1311 pen = NormalPen; | |
| 1312 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1313 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1314 | |
| 1315 pen = LightPen; | |
| 1316 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1317 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1318 } else if (((state & ButtonState.Pushed) == ButtonState.Pushed) && ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1319 Pen pen = DarkPen; | |
| 1320 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1321 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1322 | |
| 1323 pen = NormalPen; | |
| 1324 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1325 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1326 | |
| 1327 pen = LightPen; | |
| 1328 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1329 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1330 } else if (((state & ButtonState.Inactive) == ButtonState.Inactive) || ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1331 Pen pen = LightPen; | |
| 1332 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1333 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1334 | |
| 1335 pen = NormalPen; | |
| 1336 dc.DrawLine(pen, rectangle.X + 1, rectangle.Bottom - 2, rectangle.Right - 2, rectangle.Bottom - 2); | |
| 1337 dc.DrawLine(pen, rectangle.Right - 2, rectangle.Y + 1, rectangle.Right - 2, rectangle.Bottom - 3); | |
| 1338 | |
| 1339 pen = DarkPen; | |
| 1340 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1341 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 2); | |
| 1342 } | |
| 1343 } | |
| 1344 } | |
| 1345 Rectangle frect = new Rectangle(Point.Empty, Bounds.Size); | |
| 1346 SizeF textsize = g.MeasureString(Text, Font); | |
| 1347 using (Brush b = new SolidBrush(enabled ? Color : Color.DarkGray)) { | |
| 1348 g.DrawString(Text, Font, b, new PointF(Bounds.Width / 2.0f - textsize.Width / 2.0f, Bounds.Height / 2.0f - textsize.Height / 2.0f)); | |
| 1349 } | |
| 1350 } | |
| 1351 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1352 pressed = true; | |
| 1353 Invalidate(); | |
| 1354 CaptureMouse(true); | |
| 1355 base.MouseDown(position, buttons); | |
| 1356 } | |
| 1357 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1358 pressed = false; | |
| 1359 Invalidate(); | |
| 1360 CaptureMouse(false); | |
| 1361 if (position.X >= 0 && position.X <= Bounds.Width && position.Y >= 0 && position.Y <= Bounds.Height && enabled) RaiseEvent(Click); | |
| 1362 base.MouseUp(position, buttons); | |
| 1363 } | |
| 1364 protected override void KeyDown(Keys key) { | |
| 1365 if (key == Keys.Return || key == Keys.Space) { | |
| 1366 pressed = true; | |
| 1367 Invalidate(); | |
| 1368 } | |
| 1369 base.KeyDown(key); | |
| 1370 } | |
| 1371 protected override void KeyUp(Keys key) { | |
| 1372 if (key == Keys.Return || key == Keys.Space) { | |
| 1373 if (pressed) RaiseEvent(Click); | |
| 1374 pressed = false; | |
| 1375 Invalidate(); | |
| 1376 } | |
| 1377 base.KeyUp(key); | |
| 1378 } | |
| 1379 public void Focus() { | |
| 1380 CaptureKeyboard(true); | |
| 1381 } | |
| 1382 } | |
| 1383 public class FBGCheckBox : FBGControl { | |
| 1384 public FBGCheckBox(IFBGContainerControl parent) : base(parent) { } | |
| 1385 private String text = String.Empty; | |
| 1386 private Font font = SystemFonts.DefaultFont; | |
| 1387 private Color color = SystemColors.ControlText; | |
| 1388 private Boolean _checked = false; | |
| 1389 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1390 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1391 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1392 public Boolean Checked { get { return _checked; } set { _checked = value; Invalidate(); } } | |
| 1393 public event EventHandler CheckedChanged; | |
| 1394 protected override void Paint(Graphics g) { | |
| 1395 base.Paint(g); | |
| 1396 ControlPaint.DrawCheckBox(g, 0, 0, 13, 13, _checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1397 g.DrawString(Text, Font, new SolidBrush(Color), 15, 0); | |
| 1398 } | |
| 1399 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1400 Checked = !Checked; | |
| 1401 RaiseEvent(CheckedChanged); | |
| 1402 base.MouseDown(position, buttons); | |
| 1403 } | |
| 1404 } | |
| 1405 public class FBGImageBox : FBGControl { | |
| 1406 Image image = null; | |
| 33 | 1407 Image scaledImage = null; |
| 1408 Size imageSize; | |
| 1409 Boolean ownsImage = false; | |
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1410 Boolean shouldScaleImage = false; |
| 23 | 1411 PictureBoxSizeMode sizeMode = PictureBoxSizeMode.Normal; |
| 1412 Rectangle imageRect; | |
| 33 | 1413 public Image Image { get { return image; } set { SetImage(value, false); } } |
| 1414 public Boolean PreScaleImage { get; set; } | |
| 1415 public void SetOwnedImage(Image img) { SetImage(img, true); } | |
| 1416 private void SetImage(Image img, Boolean owned) { | |
| 1417 image = img; | |
| 1418 imageSize = img == null ? Size.Empty : img.Size; | |
| 1419 ownsImage = owned; | |
| 1420 UpdateImageRect(Size.Empty); | |
| 1421 } | |
| 23 | 1422 public FBGImageBox(IFBGContainerControl parent) : base(parent) { } |
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1423 public PictureBoxSizeMode SizeMode { get { return sizeMode; } set { sizeMode = value; UpdateImageRect(Size.Empty); } } |
| 23 | 1424 public override Rectangle Bounds { |
| 1425 get { | |
| 1426 return base.Bounds; | |
| 1427 } | |
| 1428 set { | |
| 33 | 1429 if (Bounds.Size != value.Size) UpdateImageRect(value.Size); |
| 23 | 1430 base.Bounds = value; |
| 1431 } | |
| 1432 } | |
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1433 private void UpdateImageRect(Size csize) { |
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1434 shouldScaleImage = false; |
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1435 if (scaledImage != null) scaledImage.Dispose(); |
| 33 | 1436 scaledImage = null; |
| 23 | 1437 if (image == null) return; |
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1438 Boolean boundsset = !csize.IsEmpty; |
| 23 | 1439 if (!boundsset && sizeMode == PictureBoxSizeMode.AutoSize) { |
| 33 | 1440 Size = imageSize; |
| 23 | 1441 return; |
| 1442 } | |
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1443 if (!boundsset) csize = Bounds.Size; |
| 23 | 1444 switch (sizeMode) { |
| 1445 case PictureBoxSizeMode.AutoSize: | |
| 1446 case PictureBoxSizeMode.Normal: | |
| 33 | 1447 imageRect = new Rectangle(Point.Empty, imageSize); |
| 23 | 1448 break; |
| 1449 case PictureBoxSizeMode.CenterImage: | |
| 33 | 1450 imageRect = new Rectangle(csize.Width / 2 - imageSize.Width / 2, csize.Height / 2 - imageSize.Height / 2, imageSize.Width, imageSize.Height); |
| 23 | 1451 break; |
| 1452 case PictureBoxSizeMode.StretchImage: | |
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1453 imageRect = new Rectangle(Point.Empty, csize); |
| 23 | 1454 break; |
| 1455 case PictureBoxSizeMode.Zoom: | |
| 33 | 1456 float xrat = (float)csize.Width / (float)imageSize.Width; |
| 1457 float yrat = (float)csize.Height / (float)imageSize.Height; | |
| 23 | 1458 float rat = Math.Min(xrat, yrat); |
| 33 | 1459 SizeF dispsize = new SizeF(imageSize.Width * rat, imageSize.Height * rat); |
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1460 imageRect = Rectangle.Round(new RectangleF(csize.Width / 2f - dispsize.Width / 2f, csize.Height / 2f - dispsize.Height / 2f, dispsize.Width, dispsize.Height)); |
| 23 | 1461 break; |
| 1462 } | |
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1463 shouldScaleImage = imageRect.Size != imageSize; |
| 23 | 1464 if (!boundsset) Invalidate(); |
| 1465 } | |
| 1466 protected override void Paint(Graphics g) { | |
| 1467 if (!Visible) return; | |
| 1468 base.Paint(g); | |
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1469 if (shouldScaleImage && PreScaleImage && image != null) { |
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1470 scaledImage = new Bitmap(image, imageRect.Size); |
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1471 shouldScaleImage = false; |
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1472 } |
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1473 if (scaledImage != null) g.DrawImage(scaledImage, imageRect); |
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1474 else if (image != null) g.DrawImage(image, imageRect); |
| 23 | 1475 } |
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1476 public Point PointToImage(Point point) { |
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1477 switch (sizeMode) { |
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1478 case PictureBoxSizeMode.AutoSize: |
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1479 case PictureBoxSizeMode.Normal: |
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1480 break; |
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1481 case PictureBoxSizeMode.CenterImage: |
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1482 point.X -= imageRect.X; |
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1483 point.Y -= imageRect.Y; |
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1484 break; |
|
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1485 case PictureBoxSizeMode.StretchImage: |
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1486 case PictureBoxSizeMode.Zoom: |
|
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1487 default: |
| 33 | 1488 point.X = (point.X - imageRect.X) * imageSize.Width / imageRect.Width; |
| 1489 point.Y = (point.Y - imageRect.Y) * imageSize.Height / imageRect.Height; | |
|
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|
1490 break; |
|
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1491 } |
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1492 return point; |
|
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1493 } |
| 33 | 1494 protected override void Orphaned() { |
| 1495 base.Orphaned(); | |
| 1496 if (scaledImage != null && scaledImage != image) scaledImage.Dispose(); | |
| 1497 scaledImage = null; | |
| 1498 if (ownsImage) { | |
| 1499 image.Dispose(); | |
| 1500 image = null; | |
| 1501 } | |
| 1502 } | |
| 23 | 1503 } |
| 1504 public class FBGListBox : FBGControl { | |
| 1505 private List<Object> items = new List<object>(); | |
| 1506 private Object selected = null; | |
| 1507 private Object highlighted = null; | |
| 1508 private Boolean hasScrollBar = false; | |
| 1509 private Boolean hitScrollBar = false; | |
| 1510 private int offset = 0; | |
| 1511 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1512 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1513 private Converter<Object, String> itemFormatter = null; | |
| 1514 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1515 public FBGListBox(IFBGContainerControl parent) | |
| 1516 : base(parent) { | |
| 1517 BackColor = Color.White; | |
| 1518 } | |
| 78 | 1519 public int AddItem(Object item) { |
| 1520 int id = ((System.Collections.IList)items).Add(item); | |
| 1521 Invalidate(); | |
| 1522 return id; | |
| 1523 } | |
| 1524 public void RemoveItem(Object item) { | |
| 1525 items.Remove(item); | |
| 1526 if (offset >= items.Count) offset = Math.Max(0, items.Count - 1); | |
| 23 | 1527 Invalidate(); |
| 1528 } | |
| 78 | 1529 public void RemoveItemAt(int index) { |
| 1530 if (index < 0) index += items.Count; | |
| 1531 items.RemoveAt(index); | |
| 1532 if (offset >= index && offset > 0) offset--; | |
| 1533 Invalidate(); | |
| 1534 } | |
| 1535 public void Clear() { | |
| 1536 items.Clear(); | |
| 1537 offset = 0; | |
| 1538 Invalidate(); | |
| 1539 } | |
| 1540 public System.Collections.IList Items { get { return items.AsReadOnly(); } } | |
| 23 | 1541 protected override void Paint(Graphics g) { |
| 1542 base.Paint(g); | |
| 1543 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1544 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1545 int y = 2; | |
| 1546 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1547 dottedpen.DashStyle = DashStyle.Dot; | |
| 1548 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1549 for (int i = offset; i < items.Count; i++) { | |
| 1550 Object item = items[i]; | |
| 1551 String text = itemFormatter == null ? (item == null ? String.Empty : item.ToString()) : itemFormatter(item); | |
| 1552 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, Bounds.Width - 4, lh); | |
| 1553 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, Bounds.Width - 5, lh - 1); | |
| 1554 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, y, Bounds.Width - 6, lh), sf); | |
| 1555 y += lh; | |
| 1556 if (y + lh + 2 >= Bounds.Height) break; | |
| 1557 } | |
| 1558 } | |
| 1559 } | |
| 78 | 1560 hasScrollBar = (y < 2 + lh * items.Count) || (offset != 0); |
| 23 | 1561 if (hasScrollBar) { |
| 1562 int xoff = Bounds.Width - 17; | |
| 1563 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 1564 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 1565 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 1566 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 78 | 1567 if (items.Count > 1) g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (items.Count - 1), 15, 20)); |
| 23 | 1568 } |
| 1569 } | |
| 1570 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1571 if ((buttons & MouseButtons.Left) != 0) { | |
| 1572 CaptureMouse(true); | |
| 1573 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 1574 hitScrollBar = true; | |
| 78 | 1575 int off = offset; |
| 23 | 1576 if (position.Y < 17) { |
| 78 | 1577 off--; |
| 23 | 1578 buttonUpState = ButtonState.Pushed; |
| 1579 } else if (position.Y > Bounds.Height - 17) { | |
| 78 | 1580 off++; |
| 23 | 1581 buttonDownState = ButtonState.Pushed; |
| 1582 } else { | |
| 78 | 1583 off = (int)Math.Round((position.Y - 17) * (items.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); |
| 23 | 1584 } |
| 78 | 1585 offset = Math.Max(0, Math.Min(items.Count - 1, off)); |
| 23 | 1586 Invalidate(); |
| 1587 } else { | |
| 1588 MouseHandler(position, buttons); | |
| 1589 } | |
| 1590 } | |
| 1591 } | |
| 1592 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 1593 if (hitScrollBar) { | |
| 1594 if (position.Y < 17) { | |
| 1595 } else if (position.Y > Bounds.Height - 17) { | |
| 1596 } else { | |
| 78 | 1597 offset = Math.Max(0, Math.Min(items.Count - 1, (int)Math.Round((position.Y - 17) * (items.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)))); |
| 23 | 1598 Invalidate(); |
| 1599 } | |
| 1600 return; | |
| 1601 } | |
| 1602 MouseHandler(position, buttons); | |
| 1603 } | |
| 1604 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1605 if ((buttons & MouseButtons.Left) != 0) { | |
| 1606 CaptureMouse(false); | |
| 1607 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 1608 Invalidate(); | |
| 1609 if (hitScrollBar) { | |
| 1610 hitScrollBar = false; | |
| 1611 return; | |
| 1612 } | |
| 1613 } | |
| 1614 if (hitScrollBar) return; | |
| 1615 MouseHandler(position, buttons); | |
| 1616 } | |
| 1617 private void MouseHandler(Point position, MouseButtons buttons) { | |
| 1618 if ((buttons & MouseButtons.Left) != 0) { | |
| 1619 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1620 int i = (position.Y - 2) / lh + offset; | |
| 1621 if (i < 0) i = 0; | |
| 1622 if (i >= items.Count) i = items.Count - 1; | |
| 1623 Boolean changed = false; | |
| 1624 Object current = items[i]; | |
| 1625 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 1626 highlighted = current; | |
| 1627 if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 1628 if (!ReferenceEquals(selected, current)) changed = true; | |
| 1629 selected = current; | |
| 1630 } | |
| 1631 if (changed) Invalidate(); | |
| 1632 } | |
| 1633 } | |
| 1634 } | |
|
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1635 public abstract class FBGUpDownControlBase : FBGControl { |
|
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1636 private ButtonState buttonUpState = ButtonState.Normal; |
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1637 private ButtonState buttonDownState = ButtonState.Normal; |
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1638 public FBGUpDownControlBase(IFBGContainerControl parent) : base(parent) { |
|
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1639 BackColor = Color.White; |
|
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1640 Height = 25; |
|
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1641 } |
|
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1642 protected override void Paint(Graphics g) { |
|
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1643 base.Paint(g); |
|
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1644 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); |
|
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1645 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); |
| 91 | 1646 String text = Text; |
|
27
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1647 if (text == null) { |
|
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|
1648 g.FillRectangle(Brushes.DarkGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); |
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1649 } else { |
|
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1650 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { |
|
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1651 sf.LineAlignment = StringAlignment.Center; |
|
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1652 g.FillRectangle(Brushes.LightGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); |
|
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1653 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, 2, Bounds.Width - 6 - 16, Bounds.Height - 4), sf); |
|
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1654 } |
|
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1655 } |
|
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1656 int xoff = Bounds.Width - 17; |
|
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1657 int he = (Bounds.Height - 2) / 2; |
|
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|
1658 ControlPaint.DrawScrollButton(g, xoff, 1, 16, he, ScrollButton.Up, buttonUpState); |
|
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|
1659 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - he - 1, 16, he, ScrollButton.Down, buttonDownState); |
|
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1660 } |
| 91 | 1661 protected abstract String Text { get; } |
|
27
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1662 protected override void MouseDown(Point position, MouseButtons buttons) { |
|
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1663 CaptureKeyboard(true); |
|
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1664 if ((buttons & MouseButtons.Left) != 0) { |
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1665 CaptureMouse(true); |
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1666 if (position.X > Bounds.Width - 17) { |
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1667 if (position.Y < Bounds.Height / 2) { |
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1668 buttonUpState = ButtonState.Pushed; |
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1669 ButtonPressUp(); |
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1670 } else { |
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1671 buttonDownState = ButtonState.Pushed; |
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1672 ButtonPressDown(); |
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1673 } |
|
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1674 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); |
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1675 } |
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1676 } |
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1677 } |
|
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1678 protected override void MouseUp(Point position, MouseButtons buttons) { |
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1679 if ((buttons & MouseButtons.Left) != 0) { |
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1680 CaptureMouse(false); |
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1681 buttonUpState = buttonDownState = ButtonState.Normal; |
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1682 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); |
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1683 } |
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1684 } |
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1685 protected override void KeyDown(Keys key) { |
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1686 base.KeyDown(key); |
|
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1687 if (key == Keys.Down) ButtonPressDown(); |
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1688 else if (key == Keys.Up) ButtonPressUp(); |
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1689 } |
|
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1690 protected abstract void ButtonPressUp(); |
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1691 protected abstract void ButtonPressDown(); |
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1692 } |
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1693 public class FBGDomainUpDown : FBGUpDownControlBase { |
| 23 | 1694 private List<Object> items = new List<object>(); |
| 1695 private int selectedIndex = -1; | |
| 1696 private Converter<Object, String> itemFormatter = null; | |
| 1697 public Boolean AllowSelectEmpty { get; set; } | |
| 1698 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1699 public event EventHandler SelectedIndexChanged; | |
|
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1700 public FBGDomainUpDown(IFBGContainerControl parent) : base(parent) { } |
| 23 | 1701 public void AddItem(Object item) { |
| 1702 items.Add(item); | |
| 1703 Invalidate(); | |
| 1704 } | |
| 1705 public void RemoveItem(Object item) { | |
| 1706 items.Remove(item); | |
| 1707 FixSelectedIndex(0); | |
| 1708 } | |
| 1709 public void RemoveItem(int index) { | |
| 1710 items.RemoveAt(index); | |
| 1711 FixSelectedIndex(0); | |
| 1712 } | |
| 1713 public int SelectedIndex { | |
| 1714 get { return selectedIndex; } | |
| 1715 set { | |
| 1716 if (value < -2 || value >= items.Count) throw new ArgumentOutOfRangeException("value", "Value must be between -1 and the number of items minus one"); | |
| 1717 if (selectedIndex == value) return; | |
| 1718 selectedIndex = value; | |
| 1719 Invalidate(); | |
| 1720 RaiseEvent(SelectedIndexChanged); | |
| 1721 } | |
| 1722 } | |
| 1723 public Object SelectedItem { | |
| 1724 get { return selectedIndex == -1 ? null : items[selectedIndex]; } | |
| 1725 set { | |
| 1726 if (value == null) { | |
| 1727 SelectedIndex = -1; | |
| 1728 } else { | |
| 1729 for (int i = 0; i < items.Count; i++) { | |
| 1730 if (items[i] == value) { | |
| 1731 SelectedIndex = i; | |
| 1732 break; | |
| 1733 } | |
| 1734 } | |
| 1735 } | |
| 1736 } | |
| 1737 } | |
| 91 | 1738 protected override string Text { |
|
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1739 get { |
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1740 if (selectedIndex == -1) return null; |
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1741 Object item = items[selectedIndex]; |
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1742 if (itemFormatter != null) return itemFormatter(item); |
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1743 if (item == null) return null; |
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1744 return item.ToString(); |
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1745 } |
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1746 } |
| 23 | 1747 private void FixSelectedIndex(int change) { |
| 1748 int value = selectedIndex; | |
| 1749 if (value == 0 && change == -1 && !AllowSelectEmpty) change = 0; | |
| 1750 value += change; | |
| 1751 if (value < -1) value = -1; | |
| 1752 if (value >= items.Count) value = items.Count - 1; | |
| 1753 SelectedIndex = value; | |
| 1754 } | |
|
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1755 protected override void ButtonPressDown() { |
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1756 FixSelectedIndex(1); |
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1757 } |
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1758 protected override void ButtonPressUp() { |
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1759 FixSelectedIndex(-1); |
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1760 } |
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1761 } |
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1762 public class FBGNumericUpDown : FBGUpDownControlBase { |
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1763 private int minimum = 0; |
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1764 private int maximum = 0; |
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1765 private int value = 0; |
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1766 public event EventHandler SelectedValueChanged; |
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1767 public FBGNumericUpDown(IFBGContainerControl parent) : base(parent) { } |
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1768 public int Value { |
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1769 get { return value; } |
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1770 set { if (this.value == value) return; this.value = value; Invalidate(); RaiseEvent(SelectedValueChanged); } |
| 23 | 1771 } |
|
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1772 public int Minimum { |
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1773 get { return minimum; } |
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1774 set { minimum = value; if (this.value < minimum) this.Value = minimum; } |
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1775 } |
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1776 public int Maximum { |
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1777 get { return maximum; } |
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1778 set { maximum = value; if (this.value > maximum) this.Value = maximum; } |
| 23 | 1779 } |
|
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1780 public int Step { get; set; } |
| 91 | 1781 protected override string Text { |
|
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1782 get { return value.ToString(); } |
| 23 | 1783 } |
|
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1784 protected override void ButtonPressDown() { |
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1785 Value = Math.Max(minimum, value - Step); |
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1786 } |
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1787 protected override void ButtonPressUp() { |
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1788 Value = Math.Min(maximum, value + Step); |
| 23 | 1789 } |
| 1790 } | |
| 1791 public interface IFBGTreeParent { | |
| 1792 FBGTreeView TreeView { get; } | |
| 1793 int Depth { get; } | |
| 1794 void AddChild(FBGTreeNode node); | |
| 1795 void RemoveChild(FBGTreeNode node); | |
| 1796 } | |
| 1797 public class FBGTreeNode : IFBGTreeParent { | |
| 1798 private List<FBGTreeNode> children = new List<FBGTreeNode>(); | |
| 1799 private Boolean expanded = true; | |
| 1800 private Boolean hasCheckBox = false; | |
| 1801 private Boolean isChecked = false; | |
| 1802 private Object item; | |
| 1803 | |
| 1804 public FBGTreeView TreeView { get; private set; } | |
| 1805 public int Depth { get; private set; } | |
| 1806 public Object Tag { get; set; } | |
| 1807 public IFBGTreeParent Parent { get; private set; } | |
| 1808 | |
| 1809 public IList<FBGTreeNode> Children { get { return children.AsReadOnly(); } } | |
| 1810 | |
| 1811 public Object Item { | |
| 1812 get { return item; } | |
| 1813 set { | |
| 1814 item = value; | |
| 1815 Invalidate(); | |
| 1816 } | |
| 1817 } | |
| 1818 public Boolean Expanded { | |
| 1819 get { return expanded; } | |
| 1820 set { | |
| 1821 if (expanded == value) return; | |
| 1822 expanded = value; | |
| 1823 UpdateTree(); | |
| 1824 } | |
| 1825 } | |
| 1826 public Boolean HasCheckBox { | |
| 1827 get { return hasCheckBox; } | |
| 1828 set { | |
| 1829 if (hasCheckBox == value) return; | |
| 1830 hasCheckBox = value; | |
| 1831 Invalidate(); | |
| 1832 } | |
| 1833 } | |
| 1834 public Boolean Checked { | |
| 1835 get { return isChecked; } | |
| 1836 set { | |
| 1837 if (isChecked == value) return; | |
| 1838 isChecked = value; | |
| 1839 Invalidate(); | |
| 1840 if (TreeView != null) TreeView.RaiseNodeCheckedChanged(this); | |
| 1841 } | |
| 1842 } | |
| 1843 | |
| 1844 public FBGTreeNode(IFBGTreeParent parent, Object item) { | |
| 1845 this.TreeView = parent.TreeView; | |
| 1846 this.Depth = parent.Depth + 1; | |
| 1847 this.Parent = parent; | |
| 1848 this.item = item; | |
| 1849 parent.AddChild(this); | |
| 1850 } | |
| 1851 | |
| 1852 public void Remove() { | |
| 1853 Parent.RemoveChild(this); | |
| 1854 } | |
| 1855 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1856 children.Add(node); | |
| 1857 if (Expanded) UpdateTree(); | |
| 1858 else Invalidate(); | |
| 1859 } | |
| 1860 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1861 children.Remove(node); | |
| 1862 TreeView.ReleaseNodeFromTree(node); | |
| 1863 if (Expanded) UpdateTree(); | |
| 1864 else Invalidate(); | |
| 1865 } | |
| 1866 public void Invalidate() { | |
| 1867 if (TreeView != null) TreeView.Invalidate(this); | |
| 1868 } | |
| 1869 private void UpdateTree() { | |
| 1870 if (TreeView != null) TreeView.UpdateView(); | |
| 1871 } | |
| 1872 public FBGTreeNode AddNode(Object item) { | |
| 1873 return new FBGTreeNode(this, item); | |
| 1874 } | |
| 1875 } | |
| 1876 public class FBGTreeView : FBGControl, IFBGTreeParent { | |
| 1877 private List<FBGTreeNode> items = new List<FBGTreeNode>(); | |
| 1878 private List<FBGTreeNode> itemsView = new List<FBGTreeNode>(); | |
| 1879 private FBGTreeNode selected = null; | |
| 1880 private FBGTreeNode highlighted = null; | |
| 1881 private Boolean hasScrollBar = false; | |
| 1882 private Boolean hitScrollBar = false; | |
| 1883 private int offset = 0; | |
| 1884 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1885 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1886 private Converter<Object, String> itemFormatter = null; | |
| 1887 | |
| 1888 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1889 public FBGTreeNode SelectedNode { get { return selected; } set { if (selected != value) { selected = value; Invalidate(); RaiseEvent(SelectedNodeChanged); } } } | |
| 1890 public IList<FBGTreeNode> Nodes { get { return items.AsReadOnly(); } } | |
| 1891 | |
| 1892 public event EventHandler SelectedNodeChanged; | |
| 1893 public event EventHandler NodeCheckedChanged; | |
| 1894 | |
| 1895 public FBGTreeView(IFBGContainerControl parent) : base(parent) { | |
| 1896 BackColor = Color.White; | |
| 1897 } | |
| 1898 FBGTreeView IFBGTreeParent.TreeView { get { return this; } } | |
| 1899 int IFBGTreeParent.Depth { get { return -1; } } | |
| 1900 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1901 items.Add(node); | |
| 1902 UpdateView(); | |
| 1903 } | |
| 1904 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1905 items.Remove(node); | |
| 1906 ReleaseNodeFromTree(node); | |
| 1907 UpdateView(); | |
| 1908 } | |
| 1909 public FBGTreeNode AddNode(Object item) { return new FBGTreeNode(this, item); } | |
| 1910 internal void ReleaseNodeFromTree(FBGTreeNode node) { | |
| 1911 if (highlighted == node) highlighted = null; | |
| 1912 if (selected == node) SelectedNode = null; | |
| 1913 } | |
| 1914 internal void RaiseNodeCheckedChanged(FBGTreeNode node) { | |
| 1915 RaiseEvent(NodeCheckedChanged); | |
| 1916 } | |
| 1917 internal void UpdateView() { | |
| 1918 List<FBGTreeNode> newView = new List<FBGTreeNode>(); | |
| 1919 Stack<Queue<FBGTreeNode>> stack = new Stack<Queue<FBGTreeNode>>(); | |
| 1920 stack.Push(new Queue<FBGTreeNode>(items)); | |
| 1921 while (stack.Count > 0) { | |
| 1922 Queue<FBGTreeNode> list = stack.Peek(); | |
| 1923 if (list.Count == 0) { | |
| 1924 stack.Pop(); | |
| 1925 continue; | |
| 1926 } | |
| 1927 FBGTreeNode item = list.Dequeue(); | |
| 1928 newView.Add(item); | |
| 1929 if (item.Expanded) stack.Push(new Queue<FBGTreeNode>(item.Children)); | |
| 1930 } | |
| 1931 itemsView = newView; | |
| 1932 Invalidate(); | |
| 1933 } | |
| 1934 internal void Invalidate(FBGTreeNode node) { | |
| 1935 int i = itemsView.IndexOf(node); | |
| 1936 if (i == -1) return; | |
| 1937 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1938 Invalidate(new Rectangle(1, i * lh, Bounds.Width - 1, lh)); | |
| 1939 } | |
| 1940 protected override void Paint(Graphics g) { | |
| 1941 base.Paint(g); | |
| 1942 | |
| 1943 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1944 int th = lh * itemsView.Count; | |
| 1945 hasScrollBar = offset > 0 || th + 2 > Bounds.Height; | |
| 1946 int y = 2; | |
| 1947 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1948 dottedpen.DashStyle = DashStyle.Dot; | |
| 1949 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1950 int lw = Bounds.Width - 2; | |
| 1951 if (hasScrollBar) lw -= 17; | |
| 1952 for (int i = offset; i < itemsView.Count; i++) { | |
| 1953 FBGTreeNode item = itemsView[i]; | |
| 1954 if (y + 2 < Bounds.Height) { | |
| 1955 Object obj = item.Item; | |
| 1956 String text = itemFormatter == null ? (obj == null ? String.Empty : obj.ToString()) : itemFormatter(obj); | |
| 1957 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, lw - 2, lh); | |
| 1958 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, lw - 3, lh - 1); | |
| 1959 int x = 3 + 19 * item.Depth + 14; | |
| 1960 if (item.HasCheckBox) { | |
| 1961 x += 2; | |
| 1962 ControlPaint.DrawCheckBox(g, x, y, lh, lh, item.Checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1963 x += lh + 1; | |
| 1964 } | |
| 1965 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(x, y, lw - x, lh), sf); | |
| 1966 } | |
| 1967 int upto = y + 2 + 4 - 8; | |
| 1968 for (int j = i - 1; j >= 0; j--) { | |
| 1969 if (itemsView[j].Depth < item.Depth) { | |
| 1970 break; | |
| 1971 } | |
| 1972 if (itemsView[j].Depth == item.Depth) { | |
| 1973 if (itemsView[j].Children.Count > 0) { | |
| 1974 upto = 2 + lh * (j - offset) + 10; | |
| 1975 } else { | |
| 1976 upto = 2 + lh * (j - offset) + 6; | |
| 1977 } | |
| 1978 break; | |
| 1979 } | |
| 1980 if (j <= offset) { | |
| 1981 upto = 2 + 2 + 4 - 8; | |
| 1982 break; | |
| 1983 } | |
| 1984 } | |
| 1985 if (item.Children.Count > 0) { | |
| 1986 g.DrawRectangle(Pens.Black, 3 + 19 * item.Depth, y + 2, 8, 8); | |
| 1987 g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 2, y + 2 + 4, 3 + 19 * item.Depth + 6, y + 2 + 4); | |
| 1988 if (!item.Expanded) g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 4, y + 4, 3 + 19 * item.Depth + 4, y + 2 + 6); | |
| 1989 | |
| 1990 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 8, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1991 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 6, 3 + 19 * item.Depth + 4, upto); | |
| 1992 } else { | |
| 1993 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1994 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 2, 3 + 19 * item.Depth + 4, upto); | |
| 1995 } | |
| 1996 y += lh; | |
| 1997 //if (y + lh + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1998 if (y + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1999 } | |
| 2000 } | |
| 2001 } | |
| 2002 //if (y < th) hasScrollBar = true; | |
| 2003 //hasScrollBar = true; | |
| 2004 if (hasScrollBar) { | |
| 2005 int xoff = Bounds.Width - 17; | |
| 2006 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 2007 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 2008 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 2009 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 2010 g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (itemsView.Count - 1), 15, 20)); | |
| 2011 } | |
| 2012 | |
| 2013 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 2014 } | |
| 2015 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 2016 CaptureKeyboard(true); | |
| 2017 if ((buttons & MouseButtons.Left) != 0) { | |
| 2018 CaptureMouse(true); | |
| 2019 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 2020 hitScrollBar = true; | |
| 2021 if (position.Y < 17) { | |
| 2022 offset--; | |
| 2023 buttonUpState = ButtonState.Pushed; | |
| 2024 } else if (position.Y > Bounds.Height - 17) { | |
| 2025 offset++; | |
| 2026 buttonDownState = ButtonState.Pushed; | |
| 2027 } else { | |
| 2028 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 2029 } | |
| 2030 if (offset < 0) offset = 0; | |
| 2031 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 2032 Invalidate(); | |
| 2033 } else { | |
| 2034 MouseHandler(position, buttons, true); | |
| 2035 } | |
| 2036 } | |
| 2037 } | |
| 2038 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 2039 if (hitScrollBar) { | |
| 2040 if (position.Y < 17) { | |
| 2041 } else if (position.Y > Bounds.Height - 17) { | |
| 2042 } else { | |
| 2043 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 2044 if (offset < 0) offset = 0; | |
| 2045 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 2046 Invalidate(); | |
| 2047 } | |
| 2048 return; | |
| 2049 } | |
| 2050 MouseHandler(position, buttons, false); | |
| 2051 } | |
| 2052 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 2053 if ((buttons & MouseButtons.Left) != 0) { | |
| 2054 CaptureMouse(false); | |
| 2055 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 2056 Invalidate(); | |
| 2057 if (hitScrollBar) { | |
| 2058 hitScrollBar = false; | |
| 2059 return; | |
| 2060 } | |
| 2061 } | |
| 2062 if (hitScrollBar) return; | |
| 2063 MouseHandler(position, buttons, false); | |
| 2064 } | |
| 2065 private void MouseHandler(Point position, MouseButtons buttons, Boolean down) { | |
| 2066 if ((buttons & MouseButtons.Left) != 0 && itemsView.Count > 0) { | |
| 2067 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 2068 int i = (position.Y - 2) / lh + offset; | |
| 2069 if (i < 0) i = 0; | |
| 2070 if (i >= itemsView.Count) i = itemsView.Count - 1; | |
| 2071 Boolean changed = false; | |
| 2072 FBGTreeNode current = itemsView[i]; | |
| 2073 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 2074 highlighted = current; | |
| 2075 if (current.Children.Count > 0 && (new Rectangle(3 + 19 * current.Depth, 2 + lh * (i - offset) + 2, 8, 8)).Contains(position)) { | |
| 2076 if (down) current.Expanded = !current.Expanded; | |
| 2077 } else if (current.HasCheckBox && (new Rectangle(3 + 19 * current.Depth + 14 + 2, 2 + lh * (i - offset), lh, lh)).Contains(position)) { | |
| 2078 if (down) current.Checked = !current.Checked; | |
| 2079 } else if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 2080 SelectedNode = current; | |
| 2081 changed = false; | |
| 2082 } | |
| 2083 if (changed) Invalidate(); | |
| 2084 } | |
| 2085 } | |
| 2086 protected override void KeyDown(Keys key) { | |
| 2087 base.KeyDown(key); | |
| 2088 if (key == Keys.Up) { | |
| 2089 int i = itemsView.IndexOf(selected); | |
| 2090 i--; | |
| 2091 if (i >= 0) SelectAndScrollIntoView(itemsView[i]); | |
| 2092 } else if (key == Keys.Down) { | |
| 2093 int i = itemsView.IndexOf(selected); | |
| 2094 i++; | |
| 2095 if (i < itemsView.Count) SelectAndScrollIntoView(itemsView[i]); | |
| 2096 } else if (key == Keys.Left && selected != null) { | |
| 2097 if (selected.Expanded && selected.Children.Count > 0) { | |
| 2098 selected.Expanded = false; | |
| 2099 } else { | |
| 2100 FBGTreeNode tn = selected.Parent as FBGTreeNode; | |
| 2101 if (tn != null) SelectAndScrollIntoView(tn); | |
| 2102 } | |
| 2103 } else if (key == Keys.Right && selected != null) { | |
| 2104 if (!selected.Expanded && selected.Children.Count > 0) { | |
| 2105 selected.Expanded = true; | |
| 2106 } else if (selected.Children.Count > 0) { | |
| 2107 SelectAndScrollIntoView(selected.Children[0]); | |
| 2108 } | |
| 2109 } else if (key == Keys.Space && selected != null) { | |
| 2110 if (selected.HasCheckBox) selected.Checked = !selected.Checked; | |
| 2111 } | |
| 2112 } | |
| 2113 private void SelectAndScrollIntoView(FBGTreeNode tn) { | |
| 2114 int i = itemsView.IndexOf(tn); | |
| 2115 if (i == -1) { | |
| 2116 for (FBGTreeNode tp = tn.Parent as FBGTreeNode; tp != null; tp = tp.Parent as FBGTreeNode) if (!tp.Expanded) tp.Expanded = true; | |
| 2117 i = itemsView.IndexOf(tn); | |
| 2118 } | |
| 2119 if (i != -1) { | |
| 2120 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 2121 if (i < offset) offset = i; | |
| 2122 offset = Math.Max(offset, i - Bounds.Height / lh + 1); | |
| 2123 } | |
| 2124 highlighted = tn; | |
| 2125 SelectedNode = tn; | |
| 2126 } | |
| 2127 } | |
| 2128 } |